diff options
| -rw-r--r-- | erts/doc/src/socket.xml | 300 | ||||
| -rw-r--r-- | erts/doc/src/socket_usage.xml | 75 | ||||
| -rw-r--r-- | erts/emulator/nifs/common/socket_nif.c | 146 | ||||
| -rwxr-xr-x | erts/emulator/test/esock_ttest/esock-ttest | 22 | ||||
| -rwxr-xr-x | erts/emulator/test/esock_ttest/esock-ttest-server-sock | 24 | ||||
| -rw-r--r-- | erts/emulator/test/socket_SUITE.erl | 4109 | ||||
| -rw-r--r-- | erts/emulator/test/socket_test_logger.erl | 2 | ||||
| -rw-r--r-- | erts/emulator/test/socket_test_ttest_tcp_client_socket.erl | 82 | ||||
| -rw-r--r-- | erts/emulator/test/socket_test_ttest_tcp_server.erl | 101 | ||||
| -rw-r--r-- | erts/emulator/test/socket_test_ttest_tcp_server_socket.erl | 18 | ||||
| -rw-r--r-- | erts/emulator/test/socket_test_ttest_tcp_socket.erl | 329 | ||||
| -rw-r--r-- | erts/preloaded/ebin/socket.beam | bin | 70456 -> 75044 bytes | |||
| -rw-r--r-- | erts/preloaded/src/socket.erl | 545 |
13 files changed, 5422 insertions, 331 deletions
diff --git a/erts/doc/src/socket.xml b/erts/doc/src/socket.xml index 9b34bf1df1..b4e22e86a8 100644 --- a/erts/doc/src/socket.xml +++ b/erts/doc/src/socket.xml @@ -41,6 +41,38 @@ e.g. <seealso marker="#recv/3"><c>recv/3</c></seealso>, has a timeout argument. </p> <note> + <p>Some functions allow for an <i>asynchronous</i> call. + This is achieved by setting the <c>Timeout</c> argument to + <c>nowait</c>. For instance, if calling the + <seealso marker="#recv_async"><c>recv/3</c></seealso> + function with Timeout set to <c>nowait</c> (<c>recv(Sock, 0, nowait)</c>) + when there is actually nothing to read, it will return with + <c>{ok, </c> + <seealso marker="#type-select_info"><c>SelectInfo</c></seealso><c>}</c>. + When data eventually arrives a 'select' message + will be sent to the caller: </p> + <taglist> + <!-- NOTE THAT THE EMPTY TAG IS INTENTIONAL --> + <tag></tag> + <item><c>{'$socket', socket(), select, select_ref()}</c></item> + </taglist> + <p>The caller can now make another + call to the recv function and now expect data.</p> + <p>Note that all other users are <em>locked out</em> until the + 'current user' has called the function (recv in this case).</p> + <p>Another message the user must be prepared for (when making asynchronous + calls) is the <c>abort</c> message:</p> + <taglist> + <!-- NOTE THAT THE EMPTY TAG IS INTENTIONAL --> + <tag></tag> + <item><c>{'$socket', socket(), abort, Info}</c></item> + </taglist> + <p>This message indicates + that the (asynchronous) operation has been aborted. + If, for instance, the socket has been closed (by another process), + <c>Info</c> will be <c>{select_ref(), closed}</c>. </p> + </note> + <note> <p>There is currently <em>no</em> support for Windows. </p> <p>Support for IPv6 has been implemented but <em>not</em> tested. </p> <p>SCTP has only been partly implemented (and not tested). </p> @@ -65,6 +97,21 @@ </desc> </datatype> <datatype> + <name name="select_tag"/> + <desc> + <p>A tag that describes the (select) operation.</p> + </desc> + </datatype> + <datatype> + <name name="select_ref"/> + <desc> + <p>A reference that uniquely identifies the (select) operation.</p> + </desc> + </datatype> + <datatype> + <name name="select_info"/> + </datatype> + <datatype> <name name="ip4_address"/> </datatype> <datatype> @@ -257,7 +304,7 @@ <funcs> <func> <name name="accept" arity="1" since="OTP 22.0"/> - <name name="accept" arity="2" since="OTP 22.0"/> + <name name="accept" arity="2" clause_i="2" since="OTP 22.0"/> <fsummary>Accept a connection on a socket.</fsummary> <desc> <p>Accept a connection on a socket.</p> @@ -269,6 +316,26 @@ </func> <func> + <name name="accept" arity="2" clause_i="1" anchor="accept_async" since="OTP @OTP-15731@"/> + <fsummary>Accept a connection on a socket.</fsummary> + <desc> + <p>Accept a connection on a socket.</p> + + <p>This call is used with connection-based socket types + (<c>stream</c> or <c>seqpacket</c>). It extracs the first pending + connection request for the listen socket and returns the (newly) + connected socket.</p> + + <p>In the case when there is no connections waiting, the function + will return with the <c>SelectInfo</c>. The caller can then await a + select message, <c>{'$socket', Socket, select, Info}</c> (where + <c>Info</c> is the <c>select_ref()</c> from the <c>SelectInfo</c>), + when a client connects (a subsequent call to accept will then return + the socket). </p> + </desc> + </func> + + <func> <name name="bind" arity="2" since="OTP 22.0"/> <fsummary>Bind a name to a socket.</fsummary> <desc> @@ -282,6 +349,18 @@ </func> <func> + <name name="cancel" arity="2" since="OTP @OTP-15731@"/> + <fsummary>Cancel an asynchronous request.</fsummary> + <desc> + <p>Cancel an asynchronous request.</p> + + <p>Call this function in order to cancel a previous + asynchronous call to, e.g. + <seealso marker="#recv/3"><c>recv/3</c></seealso>. </p> + </desc> + </func> + + <func> <name name="close" arity="1" since="OTP 22.0"/> <fsummary>Close a socket.</fsummary> <desc> @@ -302,7 +381,7 @@ <func> <name name="connect" arity="2" since="OTP 22.0"/> - <name name="connect" arity="3" since="OTP 22.0"/> + <name name="connect" arity="3" clause_i="2" since="OTP 22.0"/> <fsummary>Initiate a connection on a socket.</fsummary> <desc> <p>This function connects the socket to the address @@ -311,6 +390,24 @@ </func> <func> + <name name="connect" arity="3" clause_i="1" anchor="connect_async" since="OTP @OTP-15731@"/> + <fsummary>Initiate a connection on a socket.</fsummary> + <desc> + <p>This function connects the socket to the address + specied by the <c>SockAddr</c> argument.</p> + + <p>In the case when its not possible to immediately establish a + connection, the function will return with the + <seealso marker="#type-select_info"><c>SelectInfo</c></seealso>. + The caller can then await a + select message, <c>{'$socket', Socket, select, Info}</c> (where + <c>Info</c> is the <c>select_ref()</c> from the <c>SelectInfo</c>, + a subsequent call to connect will then + establish the connection). </p> + </desc> + </func> + + <func> <name name="getopt" arity="3" clause_i="1" since="OTP 22.0"/> <name name="getopt" arity="3" clause_i="2" since="OTP 22.0"/> <name name="getopt" arity="3" clause_i="3" since="OTP 22.0"/> @@ -406,8 +503,8 @@ <name name="recv" arity="1" since="OTP 22.0"/> <name name="recv" arity="2" since="OTP 22.0"/> <name name="recv" arity="3" clause_i="1" since="OTP 22.0"/> - <name name="recv" arity="3" clause_i="2" since="OTP 22.0"/> - <name name="recv" arity="4" since="OTP 22.0"/> + <name name="recv" arity="3" clause_i="3" since="OTP 22.0"/> + <name name="recv" arity="4" clause_i="2" since="OTP 22.0"/> <fsummary>Receive a message from a socket.</fsummary> <desc> <p>Receive a message from a socket.</p> @@ -418,36 +515,91 @@ </func> <func> + <name name="recv" arity="3" clause_i="2" anchor="recv_async" since="OTP @OTP-15731@"/> + <name name="recv" arity="4" clause_i="1" since="OTP @OTP-15731@"/> + <fsummary>Receive a message from a socket.</fsummary> + <desc> + <p>Receive a message from a socket.</p> + + <p>There is a special case for the argument <c>Length</c>. + If it is set to zero (0), it means "give me everything you + currently have".</p> + + <p>In the case when there is no data waiting, the function + will return with the <c>SelectInfo</c>. The caller can then await a + select message, <c>{'$socket', Socket, select, Info}</c> (where + <c>Info</c> is the <c>select_ref()</c> from the <c>SelectInfo</c>), + when data has arrived (a subsequent call to recv will then return + the data). </p> + <p>Note that if a length (<c>> 0</c>) is specified, and only part + of that amount of data is available, the function will return with + that data <em>and</em> the <c>SelectInfo</c> (if the caller don't + want to wait for the remaining data, it must immediately call + the <seealso marker="#cancel/2"><c>cancel/2</c></seealso> function.)</p> + </desc> + </func> + + <func> <name name="recvfrom" arity="1" since="OTP 22.0"/> <name name="recvfrom" arity="2" since="OTP 22.0"/> - <name name="recvfrom" arity="3" clause_i="1" since="OTP 22.0"/> <name name="recvfrom" arity="3" clause_i="2" since="OTP 22.0"/> <name name="recvfrom" arity="3" clause_i="3" since="OTP 22.0"/> - <name name="recvfrom" arity="4" since="OTP 22.0"/> + <name name="recvfrom" arity="3" clause_i="5" since="OTP 22.0"/> + <name name="recvfrom" arity="4" clause_i="2" since="OTP 22.0"/> <fsummary>Receive a message from a socket.</fsummary> <desc> <p>Receive a message from a socket.</p> <p>This function reads "messages", which means that regardless of - how much we want to read, it returns when we get a message.</p> + how much we want to read, it returns when we get a message + (if the buffer size is to small, the message will be truncated).</p> + <p>The <c>BufSz</c> argument basically defines the size of the + receive buffer. By setting the value to zero (0), the configured + size (setopt with <c>Level</c> = <c>otp</c> and + <c>Key</c> = <c>rcvbuf</c>) is used.</p> + <p>It may be impossible to know what (buffer) size is appropriate + "in advance", and in those cases it may be convenient to use the + (recv) 'peek' flag. When this flag is provided, the message is *not* + "consumed" from the underlying buffers, so another recvfrom call + is needed, possibly with a then adjusted buffer size.</p> + </desc> + </func> + + <func> + <name name="recvfrom" arity="3" clause_i="1" anchor="recvfrom_async" since="OTP @OTP-15731@"/> + <name name="recvfrom" arity="3" clause_i="4" since="OTP @OTP-15731@"/> + <name name="recvfrom" arity="4" clause_i="1" since="OTP @OTP-15731@"/> + <fsummary>Receive a message from a socket.</fsummary> + <desc> + <p>Receive a message from a socket.</p> + <p>This function reads "messages", which means that regardless of + how much we want to read, it returns when we get a message + (if the buffer size is to small, the message will be truncated).</p> <p>The <c>BufSz</c> argument basically defines the size of the receive buffer. By setting the value to zero (0), the configured - size (setopt with <c>Level</c> = <c>otp</c> and <c>Key</c> = <c>rcvbuf</c>) - is used.</p> + size (setopt with <c>Level</c> = <c>otp</c> and + <c>Key</c> = <c>rcvbuf</c>) is used.</p> <p>It may be impossible to know what (buffer) size is appropriate "in advance", and in those cases it may be convenient to use the (recv) 'peek' flag. When this flag is provided, the message is *not* "consumed" from the underlying buffers, so another recvfrom call is needed, possibly with a then adjusted buffer size.</p> + + <p>In the case when there is no data waiting, the function + will return with the <c>SelectInfo</c>. The caller can then await a + select message, <c>{'$socket', Socket, select, Info}</c> (where + <c>Info</c> is the <c>select_ref()</c> from the <c>SelectInfo</c>), + when data has arrived (a subsequent call to recvfrom will then return + the data). </p> </desc> </func> <func> <name name="recvmsg" arity="1" since="OTP 22.0"/> <name name="recvmsg" arity="2" clause_i="1" since="OTP 22.0"/> - <name name="recvmsg" arity="2" clause_i="2" since="OTP 22.0"/> - <name name="recvmsg" arity="3" clause_i="1" since="OTP 22.0"/> + <name name="recvmsg" arity="2" clause_i="3" since="OTP 22.0"/> <name name="recvmsg" arity="3" clause_i="2" since="OTP 22.0"/> - <name name="recvmsg" arity="5" since="OTP 22.0"/> + <name name="recvmsg" arity="3" clause_i="3" since="OTP 22.0"/> + <name name="recvmsg" arity="5" clause_i="2" since="OTP 22.0"/> <fsummary>Receive a message from a socket.</fsummary> <desc> <p>Receive a message from a socket.</p> @@ -461,8 +613,8 @@ <p>The <c>BufSz</c> argument basically defines the size of the receive buffer. By setting the value to zero (0), the configured - size (setopt with <c>Level</c> = <c>otp</c> and <c>Key</c> = <c>rcvbuf</c>) - is used.</p> + size (setopt with <c>Level</c> = <c>otp</c> and + <c>Key</c> = <c>rcvbuf</c>) is used.</p> <p>The <c>CtrlSz</c> argument basically defines the size of the receive buffer for the control messages. @@ -478,21 +630,83 @@ </func> <func> + <name name="recvmsg" arity="2" clause_i="2" anchor="recvmsg_async" since="OTP @OTP-15731@"/> + <name name="recvmsg" arity="3" clause_i="1" since="OTP @OTP-15731@"/> + <name name="recvmsg" arity="5" clause_i="1" since="OTP @OTP-15731@"/> + <fsummary>Receive a message from a socket.</fsummary> + <desc> + <p>Receive a message from a socket.</p> + <p>This function reads "messages", which means that regardless of + how much we want to read, it returns when we get a message.</p> + <p>The message will be delivered in the form of a <c>msghdr()</c>, + which may contain the source address (if socket not connected), + a list of <c>cmsghdr_recv()</c> (depends on what socket options have + been set and what the protocol and platform supports) and + also a set of flags, providing further info about the read. </p> + + <p>The <c>BufSz</c> argument basically defines the size of the + receive buffer. By setting the value to zero (0), the configured + size (setopt with <c>Level</c> = <c>otp</c> and + <c>Key</c> = <c>rcvbuf</c>) is used.</p> + + <p>The <c>CtrlSz</c> argument basically defines the size of the + receive buffer for the control messages. + By setting the value to zero (0), the configured size (setopt + with <c>Level</c> = <c>otp</c>) is used.</p> + + <p>It may be impossible to know what (buffer) size is appropriate + "in advance", and in those cases it may be convenient to use the + (recv) 'peek' flag. When this flag is provided, the message is *not* + "consumed" from the underlying buffers, so another recvmsg call + is needed, possibly with a then adjusted buffer size.</p> + + <p>In the case when there is no data waiting, the function + will return with the <c>SelectInfo</c>. The caller can then await a + select message, <c>{'$socket', Socket, select, Info}</c> (where + <c>Info</c> is the <c>select_ref()</c> from the <c>SelectInfo</c>), + when data has arrived (a subsequent call to recvmsg will then return + the data). </p> + </desc> + </func> + + <func> <name name="send" arity="2" since="OTP 22.0"/> <name name="send" arity="3" clause_i="1" since="OTP 22.0"/> - <name name="send" arity="3" clause_i="2" since="OTP 22.0"/> - <name name="send" arity="4" since="OTP 22.0"/> + <name name="send" arity="3" clause_i="3" since="OTP 22.0"/> + <name name="send" arity="4" clause_i="2" since="OTP 22.0"/> + <fsummary>Send a message on a socket.</fsummary> + <desc> + <p>Send a message on a connected socket.</p> + </desc> + </func> + + <func> + <name name="send" arity="3" clause_i="2" anchor="send_async" since="OTP @OTP-15731@"/> + <name name="send" arity="4" clause_i="1" since="OTP @OTP-15731@"/> <fsummary>Send a message on a socket.</fsummary> <desc> <p>Send a message on a connected socket.</p> + + <p>In the case when there is no room in the (system-) buffers, + the function will return with the <c>SelectInfo</c>. The caller + can then await a select message, + <c>{'$socket', Socket, select, Info}</c> + (where <c>Info</c> is the <c>select_ref()</c> from the + <c>SelectInfo</c>), when there is room for more data (a subsequent + call to send will then send the data). </p> + <p>Note that if not all the data was sent, the function will return + with the remaining data <em>and</em> the <c>SelectInfo</c> + (if the caller don't + want to wait to be able to send the rest, it should immediately call + the <seealso marker="#cancel/2"><c>cancel/2</c></seealso> function.)</p> </desc> </func> <func> <name name="sendmsg" arity="2" since="OTP 22.0"/> <name name="sendmsg" arity="3" clause_i="1" since="OTP 22.0"/> - <name name="sendmsg" arity="3" clause_i="2" since="OTP 22.0"/> - <name name="sendmsg" arity="4" since="OTP 22.0"/> + <name name="sendmsg" arity="3" clause_i="3" since="OTP 22.0"/> + <name name="sendmsg" arity="4" clause_i="2" since="OTP 22.0"/> <fsummary>Send a message on a socket.</fsummary> <desc> <p>Send a message on a socket. The destination, if needed @@ -513,10 +727,39 @@ </func> <func> + <name name="sendmsg" arity="3" clause_i="2" anchor="sendmsg_async" since="OTP @OTP-15731@"/> + <name name="sendmsg" arity="4" clause_i="1" since="OTP @OTP-15731@"/> + <fsummary>Send a message on a socket.</fsummary> + <desc> + <p>Send a message on a socket. The destination, if needed + (socket <em>not</em> connected) is provided in the <c>MsgHdr</c>, + which also contains the message to send, + The <c>MsgHdr</c> may also contain an list of optional <c>cmsghdr_send()</c> + (depends on what the protocol and platform supports).</p> + + <p>Unlike the <seealso marker="#send/2"><c>send</c></seealso> function, + this one sends <em>one message</em>. + This means that if, for whatever reason, its not possible to send the + message in one go, the function will instead return with the + <em>remaining</em> data (<c>{ok, Remaining}</c>). Thereby leaving it + up to the caller to decide what to do (retry with the remaining data + of give up). </p> + + <p>In the case when there is no room in the (system-) buffers, + the function will return with the <c>SelectInfo</c>. The caller + can then await a select message, + <c>{'$socket', Socket, select, Info}</c> + (where <c>Info</c> is the <c>select_ref()</c> from the + <c>SelectInfo</c>), when there is room for more data (a subsequent + call to sendmsg will then send the data). </p> + </desc> + </func> + + <func> <name name="sendto" arity="3" since="OTP 22.0"/> <name name="sendto" arity="4" clause_i="1" since="OTP 22.0"/> - <name name="sendto" arity="4" clause_i="2" since="OTP 22.0"/> - <name name="sendto" arity="5" since="OTP 22.0"/> + <name name="sendto" arity="4" clause_i="3" since="OTP 22.0"/> + <name name="sendto" arity="5" clause_i="2" since="OTP 22.0"/> <fsummary>Send a message on a socket.</fsummary> <desc> <p>Send a message on a socket, to the specified destination.</p> @@ -524,6 +767,23 @@ </func> <func> + <name name="sendto" arity="4" clause_i="2" anchor="sendto_async" since="OTP @OTP-15731@"/> + <name name="sendto" arity="5" clause_i="1" since="OTP @OTP-15731@"/> + <fsummary>Send a message on a socket.</fsummary> + <desc> + <p>Send a message on a socket, to the specified destination.</p> + + <p>In the case when there is no room in the (system-) buffers, + the function will return with the <c>SelectInfo</c>. The caller + can then await a select message, + <c>{'$socket', Socket, select, Info}</c> + (where <c>Info</c> is the <c>select_ref()</c> from the + <c>SelectInfo</c>), when there is room for more data (a subsequent + call to sendto will then send the data). </p> + </desc> + </func> + + <func> <name name="setopt" arity="4" clause_i="1" since="OTP 22.0"/> <name name="setopt" arity="4" clause_i="2" since="OTP 22.0"/> <name name="setopt" arity="4" clause_i="3" since="OTP 22.0"/> diff --git a/erts/doc/src/socket_usage.xml b/erts/doc/src/socket_usage.xml index 4b3872d7e3..7e65bcbf70 100644 --- a/erts/doc/src/socket_usage.xml +++ b/erts/doc/src/socket_usage.xml @@ -34,11 +34,84 @@ <title>Introduction</title> <p>The socket interface (module) is basically an "thin" layer on top of the OS socket interface. It is assumed that, unless you have special needs, - gen_[tcp|udp|sctp] should be sufficent. </p> + gen_[tcp|udp|sctp] should be sufficent (when they become available). </p> <p>Note that just because we have a documented and described option, it does <em>not</em> mean that the OS supports it. So its recommended that the user reads the platform specific documentation for the option used. </p> + <section> + <title>Asynchronous calls</title> + <p>Some functions allow for an <i>asynchronous</i> call + (<seealso marker="socket#accept_async"><c>accept/2</c></seealso>, + <seealso marker="socket#connect_async"><c>connect/3</c></seealso>, + <seealso marker="socket#recv_async"><c>recv/3,4</c></seealso>, + <seealso marker="socket#recvfrom_async"><c>recvfrom/3,4</c></seealso>, + <seealso marker="socket#recvmsg_async"><c>recvmsg/2,3,5</c></seealso>, + <seealso marker="socket#send_async"><c>send/3,4</c></seealso>, + <seealso marker="socket#sendmsg_async"><c>sendmsg/3,4</c></seealso> and + <seealso marker="socket#sendto_async"><c>sendto/4,5</c></seealso>). + This is achieved by setting the <c>Timeout</c> argument to + <c>nowait</c>. For instance, if calling the + <seealso marker="socket#recv_async"><c>recv/3</c></seealso> + function with Timeout set to <c>nowait</c> (i.e. + <c>recv(Sock, 0, nowait)</c>) + when there is actually nothing to read, it will return with + <c>{ok, </c> + <seealso marker="socket#type-select_info"><c>SelectInfo</c></seealso><c>}</c>. + When data eventually arrives a 'select message' + will be sent to the caller:</p> + <taglist> + <!-- NOTE THAT THE EMPTY TAG IS INTENTIONAL --> + <tag></tag> + <item><c>{'$socket', socket(), select, select_ref()}</c></item> + </taglist> + <p>The caller can then make another + call to the recv function and now expect data.</p> + <p>The user must also be prepared to receive an abort message: </p> + <!-- + <list type="ordered"> + <item><c>{'$socket', Sock, abort, Info}</c></item> + </list> + --> + <taglist> + <!-- NOTE THAT THE EMPTY TAG IS INTENTIONAL --> + <tag></tag> + <item><c>{'$socket', socket(), abort, Info}</c></item> + </taglist> + <p>If the operation is aborted + for whatever reason (e.g. if the socket is closed "by someone else"). + The <c>Info</c> part contains the abort reason (in this case that + the socket has been closed <c>Info = {select_ref(), closed}</c>). </p> + <p>Note that all other users are <em>locked out</em> until the + 'current user' has called the function (recv in this case). So either + immediately call the function or + <seealso marker="socket#cancel/2"><c>cancel</c></seealso>. </p> + + <p>The general form of the 'socket' message is: </p> + <taglist> + <!-- NOTE THAT THE EMPTY TAG IS INTENTIONAL --> + <tag></tag> + <item><c>{'$socket', Sock :: socket(), Tag :: atom(), Info :: term()}</c></item> + </taglist> + <p>Where the format of <c>Info</c> is a function of <c>Tag</c>:</p> + <table> + <row> + <cell><em>Tag</em></cell> + <cell><em>Info value type</em></cell> + </row> + <row> + <cell>select</cell> + <cell>select_ref()</cell> + </row> + <row> + <cell>abort</cell> + <cell>{select_ref(), Reason :: term()}</cell> + </row> + <tcaption>socket message info value type</tcaption> + </table> + <p>The <c>select_ref()</c> is the same as was received in the + <seealso marker="socket#type-select_info"><c>SelectInfo</c></seealso>. </p> + </section> </section> <section> diff --git a/erts/emulator/nifs/common/socket_nif.c b/erts/emulator/nifs/common/socket_nif.c index 25bc712949..a14d3c860b 100644 --- a/erts/emulator/nifs/common/socket_nif.c +++ b/erts/emulator/nifs/common/socket_nif.c @@ -825,6 +825,10 @@ typedef struct { ErlNifPid ctrlPid; ESockMonitor ctrlMon; + /* +++ Connector process +++ */ + ErlNifPid connPid; + ESockMonitor connMon; + /* +++ Write stuff +++ */ ErlNifMutex* writeMtx; ESockRequestor currentWriter; @@ -2377,6 +2381,8 @@ static int socket_setopt(int sock, const void* optVal, const socklen_t optLen); +static BOOLEAN_T is_connector(ErlNifEnv* env, + ESockDescriptor* descP); static BOOLEAN_T verify_is_connected(ESockDescriptor* descP, int* err); static ESockDescriptor* alloc_descriptor(SOCKET sock, HANDLE event); @@ -4895,17 +4901,17 @@ ERL_NIF_TERM nconnect(ErlNifEnv* env, return esock_make_error(env, atom_closed); if (!IS_OPEN(descP)) { - SSDBG( descP, ("SOCKET", "nif_connect -> not open\r\n") ); + SSDBG( descP, ("SOCKET", "nconnect -> not open\r\n") ); return esock_make_error(env, atom_exbadstate); } if (IS_CONNECTED(descP)) { - SSDBG( descP, ("SOCKET", "nif_connect -> already connected\r\n") ); + SSDBG( descP, ("SOCKET", "nconnect -> already connected\r\n") ); return esock_make_error(env, atom_eisconn); } - if (IS_CONNECTING(descP)) { - SSDBG( descP, ("SOCKET", "nif_connect -> already connecting\r\n") ); + if (IS_CONNECTING(descP) && !is_connector(env, descP)) { + SSDBG( descP, ("SOCKET", "nconnect -> already connecting\r\n") ); return esock_make_error(env, esock_atom_einval); } @@ -4919,31 +4925,93 @@ ERL_NIF_TERM nconnect(ErlNifEnv* env, descP->addrLen); save_errno = sock_errno(); - SSDBG( descP, ("SOCKET", "nif_connect -> connect result: %d, %d\r\n", + SSDBG( descP, ("SOCKET", "nconnect -> connect result: %d, %d\r\n", code, save_errno) ); - if (IS_SOCKET_ERROR(code) && - ((save_errno == ERRNO_BLOCK) || /* Winsock2 */ - (save_errno == EINPROGRESS))) { /* Unix & OSE!! */ - ref = MKREF(env); - descP->state = SOCKET_STATE_CONNECTING; - if ((sres = esock_select_write(env, descP->sock, descP, NULL, - sockRef, ref)) < 0) { - res = esock_make_error(env, - MKT2(env, - esock_atom_select_failed, - MKI(env, sres))); - } else { - res = esock_make_ok2(env, ref); + if (IS_SOCKET_ERROR(code)) { + switch (save_errno) { + case ERRNO_BLOCK: /* Winsock2 */ + case EINPROGRESS: /* Unix & OSE!! */ + SSDBG( descP, ("SOCKET", "nconnect -> would block => select\r\n") ); + + ref = MKREF(env); + + if (IS_CONNECTING(descP)) { + /* Glitch */ + res = esock_make_ok2(env, ref); + } else { + + /* First time here */ + + if (enif_self(env, &descP->connPid) == NULL) + return esock_make_error(env, atom_exself); + + if (MONP("nconnect -> conn", + env, descP, + &descP->connPid, + &descP->connMon) != 0) + return esock_make_error(env, atom_exmon); + + descP->state = SOCKET_STATE_CONNECTING; + + if ((sres = esock_select_write(env, descP->sock, descP, NULL, + sockRef, ref)) < 0) { + res = esock_make_error(env, + MKT2(env, + esock_atom_select_failed, + MKI(env, sres))); + } else { + res = esock_make_ok2(env, ref); + } + } + break; + + case EISCONN: + SSDBG( descP, ("SOCKET", "nconnect -> *already* connected\r\n") ); + { + /* This is ***strange*** so make sure */ + int err = 0; + if (!verify_is_connected(descP, &err)) { + descP->state = SOCKET_STATE_OPEN; /* restore state */ + res = esock_make_error_errno(env, err); + } else { + descP->state = SOCKET_STATE_CONNECTED; + /* And just to be on the safe side, reset these */ + enif_set_pid_undefined(&descP->connPid); + DEMONP("nconnect -> connected", + env, descP, &descP->connMon); + descP->isReadable = TRUE; + descP->isWritable = TRUE; + res = esock_atom_ok; + } + } + break; + + default: + SSDBG( descP, ("SOCKET", "nconnect -> other error(1): %d\r\n", + save_errno) ); + res = esock_make_error_errno(env, save_errno); + break; } + } else if (code == 0) { /* ok we are connected */ + SSDBG( descP, ("SOCKET", "nconnect -> connected\r\n") ); + descP->state = SOCKET_STATE_CONNECTED; + enif_set_pid_undefined(&descP->connPid); + DEMONP("nconnect -> connected", env, descP, &descP->connMon); descP->isReadable = TRUE; descP->isWritable = TRUE; res = esock_atom_ok; + } else { + /* Do we really need this case? */ + + SSDBG( descP, ("SOCKET", "nconnect -> other error(2): %d\r\n", + save_errno) ); + res = esock_make_error_errno(env, save_errno); } @@ -4998,7 +5066,7 @@ ERL_NIF_TERM nfinalize_connection(ErlNifEnv* env, { int error; - if (descP->state != SOCKET_STATE_CONNECTING) + if (!IS_CONNECTING(descP)) return esock_make_error(env, atom_enotconn); if (!verify_is_connected(descP, &error)) { @@ -5007,6 +5075,8 @@ ERL_NIF_TERM nfinalize_connection(ErlNifEnv* env, } descP->state = SOCKET_STATE_CONNECTED; + enif_set_pid_undefined(&descP->connPid); + DEMONP("nfinalize_connection -> connected", env, descP, &descP->connMon); descP->isReadable = TRUE; descP->isWritable = TRUE; @@ -5069,6 +5139,29 @@ BOOLEAN_T verify_is_connected(ESockDescriptor* descP, int* err) +/* *** is_connector *** + * Check if the current process is the connector process. + */ +#if !defined(__WIN32__) +static +BOOLEAN_T is_connector(ErlNifEnv* env, + ESockDescriptor* descP) +{ + ErlNifPid caller; + + if (enif_self(env, &caller) == NULL) + return FALSE; + + if (COMPARE_PIDS(&descP->connPid, &caller) == 0) + return TRUE; + else + return FALSE; + +} +#endif + + + /* ---------------------------------------------------------------------- * nif_listen * @@ -16873,7 +16966,9 @@ ESockDescriptor* alloc_descriptor(SOCKET sock, HANDLE event) char buf[64]; /* Buffer used for building the mutex name */ // This needs to be released when the socket is closed! - // descP->env = enif_alloc_env(); + + enif_set_pid_undefined(&descP->connPid); + MON_INIT(&descP->connMon); sprintf(buf, "esock[w,%d]", sock); descP->writeMtx = MCREATE(buf); @@ -18652,6 +18747,17 @@ void socket_down(ErlNifEnv* env, MON2T(env, mon)); } + } else if (COMPARE_PIDS(&descP->connPid, pid) == 0) { + + /* The connPid is only set during the connection. + * The same goes for the monitor (connMon). + */ + + descP->state = SOCKET_STATE_OPEN; /* restore state */ + enif_set_pid_undefined(&descP->connPid); + DEMONP("socket_down -> connector", + env, descP, &descP->connMon); + } else { /* check all operation queue(s): acceptor, writer and reader. diff --git a/erts/emulator/test/esock_ttest/esock-ttest b/erts/emulator/test/esock_ttest/esock-ttest index cf1d9cd9ab..9adc51fc8b 100755 --- a/erts/emulator/test/esock_ttest/esock-ttest +++ b/erts/emulator/test/esock_ttest/esock-ttest @@ -60,6 +60,9 @@ usage() -> "~n Which domain to use." "~n Only valid for server." "~n Defaults to: inet" + "~n --async Asynchronous mode (Timeout = nowait)" + "~n This option is only valid for transport = sock." + "~n Also, its only used when active =/= false." "~n --active <active> boolean() | once." "~n Valid for both client and server." "~n Defaults to: false" @@ -111,6 +114,7 @@ process_args(Args) -> process_server_args(Args) -> Defaults = #{role => server, domain => inet, + async => false, active => false, transport => {sock, plain}}, process_server_args(Args, Defaults). @@ -124,6 +128,9 @@ process_server_args(["--domain", Domain|Args], State) (Domain =:= "inet6")) -> process_server_args(Args, State#{domain => list_to_atom(Domain)}); +process_server_args(["--async"|Args], State) -> + process_server_args(Args, State#{async => true}); + process_server_args(["--active", Active|Args], State) when ((Active =:= "false") orelse (Active =:= "once") orelse @@ -145,6 +152,7 @@ process_server_args([Arg|_], _State) -> process_client_args(Args) -> Defaults = #{role => client, + async => false, active => false, transport => {sock, plain}, %% Will cause error if not provided @@ -159,10 +167,13 @@ process_client_args(Args) -> process_client_args([], State) -> process_client_args_ensure_max_outstanding(State); +process_client_args(["--async"|Args], State) -> + process_client_args(Args, State#{async => true}); + process_client_args(["--active", Active|Args], State) - when ((Active =:= "false") orelse - (Active =:= "once") orelse - (Active =:= "true")) -> + when (Active =:= "false") orelse + (Active =:= "once") orelse + (Active =:= "true") -> process_client_args(Args, State#{active => list_to_atom(Active)}); process_client_args(["--transport", "gen" | Args], State) -> @@ -280,9 +291,10 @@ exec(#{role := server, end; exec(#{role := server, domain := Domain, + async := Async, active := Active, transport := {sock, Method}}) -> - case socket_test_ttest_tcp_server_socket:start(Method, Domain, Active) of + case socket_test_ttest_tcp_server_socket:start(Method, Domain, Async, Active) of {ok, {Pid, _}} -> MRef = erlang:monitor(process, Pid), receive @@ -323,12 +335,14 @@ exec(#{role := client, end; exec(#{role := client, server := ServerInfo, + async := Async, active := Active, transport := {sock, Method}, msg_id := MsgID, max_outstanding := MaxOutstanding, runtime := RunTime}) -> case socket_test_ttest_tcp_client_socket:start(true, + Async, Method, ServerInfo, Active, diff --git a/erts/emulator/test/esock_ttest/esock-ttest-server-sock b/erts/emulator/test/esock_ttest/esock-ttest-server-sock index 4ec0d335d9..fc87499f09 100755 --- a/erts/emulator/test/esock_ttest/esock-ttest-server-sock +++ b/erts/emulator/test/esock_ttest/esock-ttest-server-sock @@ -24,9 +24,27 @@ EMU=$ERL_TOP/erts/emulator EMU_TEST=$EMU/test ESOCK_TTEST=$EMU_TEST/esock_ttest -if [ $# = 1 ]; then - ACTIVE="--active $1" +# $1 - async - boolean() +# $2 - active - once | boolean() +if [ $# = 2 ]; then + + async=$1 + active=$2 + + if [ $async = true ]; then + ASYNC="--async" + else + ASYNC= + fi + + ACTIVE="--active $active" + +else + echo "<ERROR> Missing args: async and active" + echo "" + exit 1 fi -$ESOCK_TTEST/esock-ttest --server --transport sock $ACTIVE + +$ESOCK_TTEST/esock-ttest --server $ASYNC --transport sock $ACTIVE diff --git a/erts/emulator/test/socket_SUITE.erl b/erts/emulator/test/socket_SUITE.erl index 49b0fcccc2..0ec097836b 100644 --- a/erts/emulator/test/socket_SUITE.erl +++ b/erts/emulator/test/socket_SUITE.erl @@ -81,6 +81,24 @@ api_b_sendmsg_and_recvmsg_tcp4/1, api_b_sendmsg_and_recvmsg_tcpL/1, + %% *** API async *** + api_a_connect_tcp4/1, + api_a_sendto_and_recvfrom_udp4/1, + api_a_sendmsg_and_recvmsg_udp4/1, + api_a_send_and_recv_tcp4/1, + api_a_sendmsg_and_recvmsg_tcp4/1, + api_a_recvfrom_cancel_udp4/1, + api_a_recvmsg_cancel_udp4/1, + api_a_accept_cancel_tcp4/1, + api_a_recv_cancel_tcp4/1, + api_a_recvmsg_cancel_tcp4/1, + api_a_mrecvfrom_cancel_udp4/1, + api_a_mrecvmsg_cancel_udp4/1, + api_a_maccept_cancel_tcp4/1, + api_a_mrecv_cancel_tcp4/1, + api_a_mrecvmsg_cancel_tcp4/1, + + %% *** API Options *** api_opt_simple_otp_options/1, api_opt_simple_otp_rcvbuf_option/1, @@ -565,6 +583,7 @@ use_group(Group, Env, Default) -> groups() -> [{api, [], api_cases()}, {api_basic, [], api_basic_cases()}, + {api_async, [], api_async_cases()}, {api_options, [], api_options_cases()}, {api_op_with_timeout, [], api_op_with_timeout_cases()}, {socket_closure, [], socket_closure_cases()}, @@ -639,6 +658,7 @@ groups() -> api_cases() -> [ {group, api_basic}, + {group, api_async}, {group, api_options}, {group, api_op_with_timeout} ]. @@ -659,6 +679,25 @@ api_basic_cases() -> api_b_sendmsg_and_recvmsg_tcpL ]. +api_async_cases() -> + [ + api_a_connect_tcp4, + api_a_sendto_and_recvfrom_udp4, + api_a_sendmsg_and_recvmsg_udp4, + api_a_send_and_recv_tcp4, + api_a_sendmsg_and_recvmsg_tcp4, + api_a_recvfrom_cancel_udp4, + api_a_recvmsg_cancel_udp4, + api_a_accept_cancel_tcp4, + api_a_recv_cancel_tcp4, + api_a_recvmsg_cancel_tcp4, + api_a_mrecvfrom_cancel_udp4, + api_a_mrecvmsg_cancel_udp4, + api_a_maccept_cancel_tcp4, + api_a_mrecv_cancel_tcp4, + api_a_mrecvmsg_cancel_tcp4 + ]. + api_options_cases() -> [ api_opt_simple_otp_options, @@ -1543,11 +1582,12 @@ init_per_group(ttest = _GroupName, Config) -> io:format("init_per_group(~w) -> entry with" "~n Config: ~p" "~n", [_GroupName, Config]), + ttest_manager_start(), case lists:keysearch(esock_test_ttest_runtime, 1, Config) of {value, _} -> Config; false -> - [{esock_test_ttest_runtime, which_ttest_runtime_env()}|Config] + [{esock_test_ttest_runtime, which_ttest_runtime_env()} | Config] end; init_per_group(_GroupName, Config) -> Config. @@ -1556,6 +1596,7 @@ end_per_group(ttest = _GroupName, Config) -> io:format("init_per_group(~w) -> entry with" "~n Config: ~p" "~n", [_GroupName, Config]), + ttest_manager_stop(), lists:keydelete(esock_test_ttest_runtime, 1, Config); end_per_group(_GroupName, Config) -> Config. @@ -1565,16 +1606,16 @@ init_per_testcase(_TC, Config) -> io:format("init_per_testcase(~w) -> entry with" "~n Config: ~p" "~n", [_TC, Config]), - case quiet_mode(Config) of - default -> - ?LOGGER:start(); - Quiet -> - ?LOGGER:start(Quiet) - end, + %% case quiet_mode(Config) of + %% default -> + %% ?LOGGER:start(); + %% Quiet -> + %% ?LOGGER:start(Quiet) + %% end, Config. end_per_testcase(_TC, Config) -> - ?LOGGER:stop(), + %% ?LOGGER:stop(), Config. @@ -2526,11 +2567,7 @@ api_b_send_and_recv_tcp(InitState) -> ?SEV_ANNOUNCE_CONTINUE(Server, accept), ok end}, - #{desc => "sleep", - cmd => fun(_) -> - ?SLEEP(?SECS(1)), - ok - end}, + ?SEV_SLEEP(?SECS(1)), #{desc => "order client to continue (with connect)", cmd => fun(#{client := Client} = _State) -> ?SEV_ANNOUNCE_CONTINUE(Client, connect), @@ -2617,6 +2654,3852 @@ api_b_send_and_recv_tcp(InitState) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically establish a TCP connection via an async connect. + +api_a_connect_tcp4(suite) -> + []; +api_a_connect_tcp4(doc) -> + []; +api_a_connect_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_connect_tcp4, + fun() -> + Connect = fun(Sock, SockAddr) -> + socket:connect(Sock, SockAddr, nowait) + end, + Send = fun(Sock, Data) -> + socket:send(Sock, Data) + end, + Recv = fun(Sock) -> + socket:recv(Sock) + end, + InitState = #{domain => inet, + connect => Connect, + send => Send, + recv => Recv}, + ok = api_a_connect_tcp(InitState) + end). + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_connect_tcp(InitState) -> + process_flag(trap_exit, true), + ServerSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "create listen socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{lsock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{lsock := LSock, lsa := LSA} = State) -> + case socket:bind(LSock, LSA) of + {ok, Port} -> + {ok, State#{lport => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "make listen socket", + cmd => fun(#{lsock := LSock}) -> + socket:listen(LSock) + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, lport := Port}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Port), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "await connection", + cmd => fun(#{lsock := LSock} = State) -> + case socket:accept(LSock) of + {ok, Sock} -> + ?SEV_IPRINT("accepted: ~n ~p", [Sock]), + {ok, State#{csock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept), + ok + end}, + + #{desc => "await continue (recv_req)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv_req) + end}, + #{desc => "recv req", + cmd => fun(#{csock := Sock, recv := Recv}) -> + case Recv(Sock) of + {ok, ?BASIC_REQ} -> + ok; + {ok, UnexpData} -> + {error, {unexpected_data, UnexpData}}; + {error, _} = ERROR -> + %% At the moment there is no way to get + %% status or state for the socket... + ERROR + end + end}, + #{desc => "announce ready (recv_req)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_req), + ok + end}, + #{desc => "await continue (send_rep)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, send_rep) + end}, + #{desc => "send rep", + cmd => fun(#{csock := Sock, send := Send}) -> + Send(Sock, ?BASIC_REP) + end}, + #{desc => "announce ready (send_rep)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, send_rep), + ok + end}, + + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close connection socket", + cmd => fun(#{csock := Sock} = State) -> + ok = socket:close(Sock), + {ok, maps:remove(csock, State)} + end}, + #{desc => "close listen socket", + cmd => fun(#{lsock := Sock} = State) -> + ok = socket:close(Sock), + {ok, maps:remove(lsock, State)} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + ClientSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + {Tester, Port} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, server_port => Port}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** The init part *** + #{desc => "which server (local) address", + cmd => fun(#{domain := Domain, server_port := Port} = State) -> + LSA = which_local_socket_addr(Domain), + SSA = LSA#{port => Port}, + {ok, State#{local_sa => LSA, server_sa => SSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{sock := Sock, local_sa := LSA} = _State) -> + case socket:bind(Sock, LSA) of + {ok, _Port} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% *** The actual test *** + #{desc => "await continue (async connect)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, async_connect) + end}, + #{desc => "connect (async) to server", + cmd => fun(#{sock := Sock, + server_sa := SSA, + connect := Connect} = State) -> + case Connect(Sock, SSA) of + ok -> + ?SEV_IPRINT("ok -> " + "unexpected success => SKIP", + []), + {skip, unexpected_success}; + {select, {select_info, ST, SR}} -> + ?SEV_IPRINT("select ->" + "~n tag: ~p" + "~n ref: ~p", [ST, SR]), + {ok, State#{connect_stag => ST, + connect_sref => SR}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (connect select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, connect_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{sock := Sock, connect_sref := Ref}) -> + receive + {'$socket', Sock, select, Ref} -> + ?SEV_IPRINT("select message ->" + "~n ref: ~p", [Ref]), + ok + after 5000 -> + ?SEV_EPRINT("timeout: " + "~n message queue: ~p", + [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, select), + ok + end}, + #{desc => "connect (async) to server", + cmd => fun(#{sock := Sock, server_sa := SSA, connect := Connect}) -> + case Connect(Sock, SSA) of + ok -> + ok; + {select, SelectInfo} -> + {error, {unexpected_select, SelectInfo}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (connect)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, connect), + ok + end}, + #{desc => "get peername", + cmd => fun(#{sock := Sock} = _State) -> + case socket:peername(Sock) of + {ok, SockAddr} -> + ?SEV_IPRINT("Peer Name: ~p", [SockAddr]), + ok; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "await continue (send_req)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, send_req) + end}, + #{desc => "send req", + cmd => fun(#{sock := Sock, send := Send}) -> + Send(Sock, ?BASIC_REQ) + end}, + #{desc => "announce ready (send_req)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, send_req), + ok + end}, + #{desc => "await continue (recv_rep)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv_rep) + end}, + #{desc => "recv rep", + cmd => fun(#{sock := Sock, recv := Recv}) -> + case Recv(Sock) of + {ok, ?BASIC_REP} -> + ok; + {ok, UnexpData} -> + {error, {unexpected_data, UnexpData}}; + {error, _} = ERROR -> + %% At the moment there is no way to get + %% status or state for the socket... + ERROR + end + end}, + #{desc => "announce ready (recv_rep)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_rep), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock} = State) -> + ok = socket:close(Sock), + State2 = maps:remove(sock, State), + State3 = maps:remove(connect_stag, State2), + State4 = maps:remove(connect_sref, State3), + {ok, State4} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor client", + cmd => fun(#{client := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Port} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_port => Port}} + end}, + + %% Start the client + #{desc => "order client start", + cmd => fun(#{client := Pid, server_port := Port} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Port), + ok + end}, + #{desc => "await client ready (init)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, init) + end}, + + + %% *** The actual test *** + #{desc => "order client to continue (async connect)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Client, async_connect), + ok + end}, + #{desc => "await client ready (connect select)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, connect_select) + end}, + + ?SEV_SLEEP(?SECS(1)), + + #{desc => "order server to continue (with accept)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, accept), + ok + end}, + #{desc => "await client ready (select)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, select) + end}, + #{desc => "await client ready (connect)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, connect) + end}, + #{desc => "await server ready (accept)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_AWAIT_READY(Server, server, accept) + end}, + + ?SEV_SLEEP(?SECS(1)), + + #{desc => "order server to recv test req (recv req)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, recv_req), + ok + end}, + #{desc => "order client to send test req (send req)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Client, send_req), + ok + end}, + #{desc => "await client ready (send_req)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, send_req) + end}, + #{desc => "await server ready (recv_req)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_AWAIT_READY(Server, server, recv_req) + end}, + #{desc => "order client to recv test rep (send rep)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Client, recv_rep), + ok + end}, + #{desc => "order server to send test rep (send rep)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, send_rep), + ok + end}, + #{desc => "await server ready (send_rep)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_AWAIT_READY(Server, server, send_rep) + end}, + #{desc => "await client ready (recv_rep)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, recv_rep) + end}, + + + %% *** Termination *** + #{desc => "order client to terminate", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Client), + ok + end}, + #{desc => "await client termination", + cmd => fun(#{client := Client} = State) -> + ?SEV_AWAIT_TERMINATION(Client), + State1 = maps:remove(client, State), + {ok, State1} + end}, + #{desc => "order server to terminate", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Server), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Server} = State) -> + ?SEV_AWAIT_TERMINATION(Server), + State1 = maps:remove(server, State), + {ok, State1} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start client evaluator"), + Client = ?SEV_START("client", ClientSeq, InitState), + i("await evaluator(s)"), + + i("start tester evaluator"), + TesterInitState = #{server => Server#ev.pid, + client => Client#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + ok = ?SEV_AWAIT_FINISH([Server, Client, Tester]). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically send and receive on an IPv4 UDP (dgram) socket using +%% sendto and recvfrom. But we try to be async. That is, we use +%% the 'nowait' value for the Timeout argument (and await the eventual +%% select message). Note that we only do this for the recvfrom, +%% since its much more difficult to "arrange" for sendto. +%% +api_a_sendto_and_recvfrom_udp4(suite) -> + []; +api_a_sendto_and_recvfrom_udp4(doc) -> + []; +api_a_sendto_and_recvfrom_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(5)), + tc_try(api_a_sendto_and_recvfrom_udp4, + fun() -> + Send = fun(Sock, Data, Dest) -> + socket:sendto(Sock, Data, Dest) + end, + Recv = fun(Sock) -> + socket:recvfrom(Sock, 0, nowait) + end, + InitState = #{domain => inet, + send => Send, + recv => Recv}, + ok = api_a_send_and_recv_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically send and receive on an IPv4 UDP (dgram) socket using +%% sendto and recvfrom. But we try to be async. That is, we use +%% the 'nowait' value for the Timeout argument (and await the eventual +%% select message). Note that we only do this for the recvmsg, +%% since its much more difficult to "arrange" for sendmsg. +%% +api_a_sendmsg_and_recvmsg_udp4(suite) -> + []; +api_a_sendmsg_and_recvmsg_udp4(doc) -> + []; +api_a_sendmsg_and_recvmsg_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(5)), + tc_try(api_a_sendmsg_and_recvmsg_udp4, + fun() -> + Send = fun(Sock, Data, Dest) -> + MsgHdr = #{addr => Dest, + %% ctrl => CMsgHdrs, + iov => [Data]}, + socket:sendmsg(Sock, MsgHdr) + end, + Recv = fun(Sock) -> + case socket:recvmsg(Sock, nowait) of + {ok, #{addr := Source, + iov := [Data]}} -> + {ok, {Source, Data}}; + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + send => Send, + recv => Recv}, + ok = api_a_send_and_recv_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_send_and_recv_udp(InitState) -> + ServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{local_sa => LSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, dgram, udp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind socket (to local address)", + cmd => fun(#{sock := Sock, local_sa := LSA} = State) -> + case socket:bind(Sock, LSA) of + {ok, Port} -> + {ok, State#{port => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, local_sa := LSA, port := Port}) -> + ServerSA = LSA#{port => Port}, + ?SEV_ANNOUNCE_READY(Tester, init, ServerSA), + ok + end}, + + %% The actual test + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, {select_info, Tag, RecvRef}} -> + ?SEV_IPRINT("expected select: " + "~n Tag: ~p" + "~n Ref: ~p", [Tag, RecvRef]), + {ok, State#{recv_stag => Tag, + recv_sref => RecvRef}}; + {ok, X} -> + {error, {unexpected_succes, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{sock := Sock, recv_sref := RecvRef}) -> + receive + {'$socket', Sock, select, RecvRef} -> + ok + after 5000 -> + ?SEV_EPRINT("message queue: ~p", [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, select), + ok + end}, + #{desc => "now read the data (request)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {ok, {Src, ?BASIC_REQ}} -> + {ok, State#{req_src => Src}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv request)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_req), + ok + end}, + + #{desc => "await continue (send reply)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, send_reply) + end}, + #{desc => "send reply", + cmd => fun(#{sock := Sock, req_src := Src, send := Send}) -> + Send(Sock, ?BASIC_REP, Src) + end}, + #{desc => "announce ready (send)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, send), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + State2 = maps:remove(tester, State), + State3 = maps:remove(recv_stag, State2), + State4 = maps:remove(recv_sref, State3), + State5 = maps:remove(req_src, State4), + {ok, State5}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock} = State) -> + ok = socket:close(Sock), + {ok, maps:remove(sock, State)} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + ClientSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + {Tester, ServerSA} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, + server_sa => ServerSA}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "open socket", + cmd => fun(#{domain := Domain} = State) -> + Sock = sock_open(Domain, dgram, udp), + SA = sock_sockname(Sock), + {ok, State#{sock => Sock, sa => SA}} + end}, + #{desc => "bind socket (to local address)", + cmd => fun(#{sock := Sock, lsa := LSA}) -> + case socket:bind(Sock, LSA) of + {ok, _Port} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% The actual test + #{desc => "await continue (send request)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, send_req) + end}, + #{desc => "send request", + cmd => fun(#{sock := Sock, server_sa := Server, send := Send}) -> + Send(Sock, ?BASIC_REQ, Server) + end}, + #{desc => "announce ready (send request)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, send_req), + ok + end}, + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv reply (with nowait)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, {select_info, Tag, RecvRef}} -> + {ok, State#{recv_stag => Tag, + recv_sref => RecvRef}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{sock := Sock, recv_sref := RecvRef}) -> + receive + {'$socket', Sock, select, RecvRef} -> + ok + end + end}, + #{desc => "announce ready (select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, select), + ok + end}, + #{desc => "now read the data (reply)", + cmd => fun(#{sock := Sock, recv := Recv}) -> + case Recv(Sock) of + {ok, {_Src, ?BASIC_REP}} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv reply)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_rep), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + State2 = maps:remove(tester, State), + State3 = maps:remove(recv_stag, State2), + State4 = maps:remove(recv_sref, State3), + {ok, State4}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock} = State) -> + ok = socket:close(Sock), + {ok, maps:remove(sock, State)} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor client", + cmd => fun(#{client := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, ServerSA} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_sa => ServerSA}} + end}, + + %% Start the client + #{desc => "order client start", + cmd => fun(#{client := Pid, + server_sa := ServerSA} = _State) -> + ?SEV_ANNOUNCE_START(Pid, ServerSA), + ok + end}, + #{desc => "await client ready (init)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, init) + end}, + + %% The actual test + #{desc => "order server continue (recv)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await server ready (recv_select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + + #{desc => "order client continue (send request)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, send_req), + ok + end}, + #{desc => "await client ready (send request)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, send_req) + end}, + #{desc => "await server ready (select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, select) + end}, + #{desc => "await server ready (recv request)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, recv_req) + end}, + + #{desc => "order client continue (recv)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await client ready (recv_select)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, recv_select) + end}, + #{desc => "order server continue (send reply)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, send_reply), + ok + end}, + #{desc => "await server ready (send)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, send) + end}, + #{desc => "await client ready (select)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, select) + end}, + #{desc => "await client ready (recv reply)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, recv_rep) + end}, + + %% Terminations + #{desc => "order client to terminate", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await client termination", + cmd => fun(#{client := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(client, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "order server to terminate", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(server, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + ServerInitState = InitState, + Server = ?SEV_START("server", ServerSeq, ServerInitState), + + i("start client evaluator(s)"), + ClientInitState = InitState, + Client = ?SEV_START("client", ClientSeq, ClientInitState), + + i("start 'tester' evaluator"), + TesterInitState = #{server => Server#ev.pid, + client => Client#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator"), + ok = ?SEV_AWAIT_FINISH([Server, Client, Tester]). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically send and receive using the "common" functions (send and recv) +%% on an IPv4 TCP (stream) socket. But we try to be async. That is, we use +%% the 'nowait' value for the Timeout argument (and await the eventual +%% select message). Note that we only do this for the recv, +%% since its much more difficult to "arrange" for send. +%% We *also* test async for accept. +api_a_send_and_recv_tcp4(suite) -> + []; +api_a_send_and_recv_tcp4(doc) -> + []; +api_a_send_and_recv_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_send_and_recv_tcp4, + fun() -> + Send = fun(Sock, Data) -> + socket:send(Sock, Data) + end, + Recv = fun(Sock) -> + socket:recv(Sock, 0, nowait) + end, + InitState = #{domain => inet, + send => Send, + recv => Recv}, + ok = api_a_send_and_recv_tcp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically send and receive using the msg functions (sendmsg and recvmsg) +%% on an IPv4 TCP (stream) socket. But we try to be async. That is, we use +%% the 'nowait' value for the Timeout argument (and await the eventual +%% select message). Note that we only do this for the recvmsg, +%% since its much more difficult to "arrange" for sendmsg. +%% We *also* test async for accept. +api_a_sendmsg_and_recvmsg_tcp4(suite) -> + []; +api_a_sendmsg_and_recvmsg_tcp4(doc) -> + []; +api_a_sendmsg_and_recvmsg_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_sendmsg_and_recvmsg_tcp4, + fun() -> + Send = fun(Sock, Data) -> + MsgHdr = #{iov => [Data]}, + socket:sendmsg(Sock, MsgHdr) + end, + Recv = fun(Sock) -> + case socket:recvmsg(Sock, nowait) of + {ok, #{addr := undefined, + iov := [Data]}} -> + {ok, Data}; + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + send => Send, + recv => Recv}, + ok = api_a_send_and_recv_tcp(InitState) + end). + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_send_and_recv_tcp(InitState) -> + process_flag(trap_exit, true), + ServerSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "create listen socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{lsock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{lsock := LSock, lsa := LSA} = State) -> + case socket:bind(LSock, LSA) of + {ok, Port} -> + {ok, State#{lport => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "make listen socket", + cmd => fun(#{lsock := LSock}) -> + socket:listen(LSock) + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, lport := Port}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Port), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "await connection (nowait)", + cmd => fun(#{lsock := LSock} = State) -> + case socket:accept(LSock, nowait) of + {select, {select_info, Tag, Ref}} -> + ?SEV_IPRINT("accept select: " + "~n Tag: ~p" + "~n Ref: ~p", [Tag, Ref]), + {ok, State#{accept_stag => Tag, + accept_sref => Ref}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{lsock := Sock, accept_sref := Ref}) -> + receive + {'$socket', Sock, select, Ref} -> + ok + end + end}, + #{desc => "announce ready (select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, select), + ok + end}, + #{desc => "await connection (again)", + cmd => fun(#{lsock := LSock} = State) -> + case socket:accept(LSock, nowait) of + {ok, Sock} -> + ?SEV_IPRINT("accepted: " + "~n Sock: ~p", [Sock]), + {ok, State#{csock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept), + ok + end}, + + #{desc => "await continue (recv request)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv_req) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{csock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, {select_info, Tag, Ref}} -> + ?SEV_IPRINT("recv select: " + "~n Tag: ~p" + "~n Ref: ~p", [Tag, Ref]), + {ok, State#{recv_stag => Tag, + recv_sref => Ref}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{csock := Sock, recv_sref := RecvRef}) -> + receive + {'$socket', Sock, select, RecvRef} -> + ok + end + end}, + #{desc => "announce ready (select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, select), + ok + end}, + #{desc => "now read the data (request)", + cmd => fun(#{csock := Sock, recv := Recv} = _State) -> + case Recv(Sock) of + {ok, ?BASIC_REQ} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv request)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_req), + ok + end}, + + #{desc => "await continue (send reply)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, send_rep) + end}, + #{desc => "send reply", + cmd => fun(#{csock := Sock, send := Send}) -> + Send(Sock, ?BASIC_REP) + end}, + #{desc => "announce ready (send reply)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, send_rep), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close connection socket", + cmd => fun(#{csock := Sock}) -> + socket:close(Sock) + end}, + #{desc => "close listen socket", + cmd => fun(#{lsock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + ClientSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + {Tester, Port} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, server_port => Port}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** The init part *** + #{desc => "which server (local) address", + cmd => fun(#{domain := Domain, server_port := Port} = State) -> + LSA = which_local_socket_addr(Domain), + SSA = LSA#{port => Port}, + {ok, State#{local_sa => LSA, server_sa => SSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{sock := Sock, local_sa := LSA} = _State) -> + case socket:bind(Sock, LSA) of + {ok, _Port} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% *** The actual test *** + #{desc => "await continue (connect)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, connect) + end}, + #{desc => "connect to server", + cmd => fun(#{sock := Sock, server_sa := SSA}) -> + socket:connect(Sock, SSA) + end}, + #{desc => "announce ready (connect)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, connect), + ok + end}, + + #{desc => "await continue (send request)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, send_req) + end}, + #{desc => "send request (to server)", + cmd => fun(#{sock := Sock, send := Send}) -> + ok = Send(Sock, ?BASIC_REQ) + end}, + #{desc => "announce ready (send request)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, send_req), + ok + end}, + + #{desc => "try recv reply (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, {select_info, Tag, Ref}} -> + ?SEV_IPRINT("recv select: " + "~n Tag: ~p" + "~n Ref: ~p", [Tag, Ref]), + {ok, State#{recv_stag => Tag, + recv_sref => Ref}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{sock := Sock, recv_sref := RecvRef}) -> + receive + {'$socket', Sock, select, RecvRef} -> + ok + end + end}, + #{desc => "announce ready (select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, select), + ok + end}, + #{desc => "now read the data (reply)", + cmd => fun(#{sock := Sock, recv := Recv}) -> + {ok, ?BASIC_REP} = Recv(Sock), + ok + end}, + #{desc => "announce ready (recv reply)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_rep), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor client", + cmd => fun(#{client := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Port} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_port => Port}} + end}, + + %% Start the client + #{desc => "order client start", + cmd => fun(#{client := Pid, server_port := Port} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Port), + ok + end}, + #{desc => "await client ready (init)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, init) + end}, + + %% *** The actual test *** + #{desc => "order server to continue (with accept)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, accept), + ok + end}, + #{desc => "await server ready (accept select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, accept_select) + end}, + #{desc => "order client to continue (with connect)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, connect), + ok + end}, + #{desc => "await server ready (select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, select) + end}, + #{desc => "await server ready (accept)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, accept) + end}, + #{desc => "await client ready (connect)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, client, connect) + end}, + + #{desc => "order server to continue (recv request)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv_req), + ok + end}, + #{desc => "await server ready (recv select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + #{desc => "order client to continue (send request)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, send_req), + ok + end}, + #{desc => "await client ready (send request)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, send_req) + end}, + #{desc => "await server ready (select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, select) + end}, + #{desc => "await server ready (recv request)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, recv_req) + end}, + + #{desc => "order client to continue (recv reply)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv_rep), + ok + end}, + #{desc => "await client ready (recv select)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, client, recv_select) + end}, + #{desc => "order server to continue (send reply)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, send_rep), + ok + end}, + #{desc => "await server ready (send reply)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, send_rep) + end}, + #{desc => "await client ready (select)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, client, select) + end}, + #{desc => "await client ready (reply recv)", + cmd => fun(#{client := Client} = _State) -> + ?SEV_AWAIT_READY(Client, client, recv_rep) + end}, + + + %% *** Termination *** + #{desc => "order client to terminate", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Client), + ok + end}, + #{desc => "await client termination", + cmd => fun(#{client := Client} = State) -> + ?SEV_AWAIT_TERMINATION(Client), + State1 = maps:remove(client, State), + {ok, State1} + end}, + #{desc => "order server to terminate", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Server), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Server} = State) -> + ?SEV_AWAIT_TERMINATION(Server), + State1 = maps:remove(server, State), + {ok, State1} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start client evaluator"), + Client = ?SEV_START("client", ClientSeq, InitState), + + i("start tester evaluator"), + TesterInitState = #{server => Server#ev.pid, + client => Client#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator(s)"), + ok = ?SEV_AWAIT_FINISH([Server, Client, Tester]). + + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make an async (Timeout = nowait) call to recvfrom, +%% wait some time and then cancel. +%% +api_a_recvfrom_cancel_udp4(suite) -> + []; +api_a_recvfrom_cancel_udp4(doc) -> + []; +api_a_recvfrom_cancel_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_recvfrom_cancel_udp4, + fun() -> + Recv = fun(Sock) -> + case socket:recvfrom(Sock, 0, nowait) of + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_recv_cancel_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make an async (Timeout = nowait) call to recvmsg, +%% wait some time and then cancel. +%% +api_a_recvmsg_cancel_udp4(suite) -> + []; +api_a_recvmsg_cancel_udp4(doc) -> + []; +api_a_recvmsg_cancel_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_recvmsg_cancel_udp4, + fun() -> + Recv = fun(Sock) -> + case socket:recvmsg(Sock, nowait) of + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_recv_cancel_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_recv_cancel_udp(InitState) -> + ServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{local_sa => LSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, dgram, udp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind socket (to local address)", + cmd => fun(#{sock := Sock, local_sa := LSA} = State) -> + case socket:bind(Sock, LSA) of + {ok, Port} -> + {ok, State#{port => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, local_sa := LSA, port := Port}) -> + ServerSA = LSA#{port => Port}, + ?SEV_ANNOUNCE_READY(Tester, init, ServerSA), + ok + end}, + + %% The actual test + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, SelectInfo} -> + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message (without success)", + cmd => fun(#{sock := Sock}) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}} + after 5000 -> + ok + end + end}, + #{desc => "announce ready (no select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, no_select), + ok + end}, + #{desc => "await continue (cancel)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, cancel) + end}, + #{desc => "cancel", + cmd => fun(#{sock := Sock, recv_select_info := SelectInfo}) -> + ok = socket:cancel(Sock, SelectInfo) + end}, + #{desc => "announce ready (cancel)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, cancel), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + State2 = maps:remove(tester, State), + State3 = maps:remove(recv_stag, State2), + State4 = maps:remove(recv_sref, State3), + State5 = maps:remove(req_src, State4), + {ok, State5}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock} = State) -> + ok = socket:close(Sock), + {ok, maps:remove(sock, State)} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, ServerSA} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_sa => ServerSA}} + end}, + + %% The actual test + #{desc => "order server continue (recv)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await server ready (recv select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + #{desc => "await server ready (no select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, no_select) + end}, + #{desc => "order server continue (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, cancel), + ok + end}, + #{desc => "await server ready (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, cancel) + end}, + + %% Terminations + #{desc => "order server to terminate", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(server, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + ServerInitState = InitState, + Server = ?SEV_START("server", ServerSeq, ServerInitState), + + i("start 'tester' evaluator"), + TesterInitState = #{server => Server#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator"), + ok = ?SEV_AWAIT_FINISH([Server, Tester]). + + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make an async (Timeout = nowait) call to accept, +%% wait some time and then cancel. +%% +api_a_accept_cancel_tcp4(suite) -> + []; +api_a_accept_cancel_tcp4(doc) -> + []; +api_a_accept_cancel_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_accept_cancel_tcp4, + fun() -> + Accept = fun(Sock) -> + case socket:accept(Sock, nowait) of + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + accept => Accept}, + ok = api_a_accept_cancel_tcp(InitState) + end). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_accept_cancel_tcp(InitState) -> + process_flag(trap_exit, true), + ServerSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "create listen socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{lsock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{lsock := LSock, lsa := LSA} = State) -> + case socket:bind(LSock, LSA) of + {ok, Port} -> + {ok, State#{lport => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "make listen socket", + cmd => fun(#{lsock := LSock}) -> + socket:listen(LSock) + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, lport := Port}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Port), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "await connection (nowait)", + cmd => fun(#{lsock := LSock, accept := Accept} = State) -> + case Accept(LSock) of + {select, {select_info, T, R} = SelectInfo} -> + ?SEV_IPRINT("accept select: " + "~n T: ~p" + "~n R: ~p", [T, R]), + {ok, State#{accept_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept_select), + ok + end}, + #{desc => "await select message (without success)", + cmd => fun(#{lsock := Sock}) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}} + after 5000 -> + ok + end + end}, + #{desc => "announce ready (no select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, no_select), + ok + end}, + #{desc => "await continue (cancel)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, cancel) + end}, + #{desc => "cancel", + cmd => fun(#{lsock := Sock, accept_select_info := SelectInfo}) -> + ok = socket:cancel(Sock, SelectInfo) + end}, + #{desc => "announce ready (cancel)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, cancel), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close listen socket", + cmd => fun(#{lsock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Port} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_port => Port}} + end}, + + %% *** The actual test *** + #{desc => "order server to continue (with accept)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, accept), + ok + end}, + #{desc => "await server ready (accept select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, accept_select) + end}, + #{desc => "await server ready (no select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, no_select) + end}, + #{desc => "order server to continue (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, cancel), + ok + end}, + #{desc => "await server ready (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, cancel) + end}, + + %% *** Termination *** + #{desc => "order server to terminate", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Server), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Server} = State) -> + ?SEV_AWAIT_TERMINATION(Server), + State1 = maps:remove(server, State), + {ok, State1} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start tester evaluator"), + TesterInitState = #{server => Server#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator(s)"), + ok = ?SEV_AWAIT_FINISH([Server, Tester]). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make an async (Timeout = nowait) call to recv, +%% wait some time and then cancel. +%% +api_a_recv_cancel_tcp4(suite) -> + []; +api_a_recv_cancel_tcp4(doc) -> + []; +api_a_recv_cancel_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_recv_cancel_tcp4, + fun() -> + Recv = fun(Sock) -> + socket:recv(Sock, 0, nowait) + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_recv_cancel_tcp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make an async (Timeout = nowait) call to recvmsg, +%% wait some time and then cancel. +%% +api_a_recvmsg_cancel_tcp4(suite) -> + []; +api_a_recvmsg_cancel_tcp4(doc) -> + []; +api_a_recvmsg_cancel_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(10)), + tc_try(api_a_recvmsg_cancel_tcp4, + fun() -> + Recv = fun(Sock) -> + socket:recvmsg(Sock, nowait) + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_recv_cancel_tcp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_recv_cancel_tcp(InitState) -> + process_flag(trap_exit, true), + ServerSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "create listen socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{lsock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{lsock := LSock, lsa := LSA} = State) -> + case socket:bind(LSock, LSA) of + {ok, Port} -> + {ok, State#{lport => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "make listen socket", + cmd => fun(#{lsock := LSock}) -> + socket:listen(LSock) + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, lport := Port}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Port), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "await connection (nowait)", + cmd => fun(#{lsock := LSock} = State) -> + case socket:accept(LSock) of + {ok, CSock} -> + {ok, State#{csock => CSock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept), + ok + end}, + + #{desc => "await continue (nowait recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{csock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, {select_info, T, R} = SelectInfo} -> + ?SEV_IPRINT("recv select: " + "~n Tag: ~p" + "~n Ref: ~p", [T, R]), + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{csock := Sock}) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}} + after 5000 -> + ok + end + end}, + #{desc => "announce ready (no select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, no_select), + ok + end}, + #{desc => "await continue (cancel)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, cancel) + end}, + #{desc => "cancel", + cmd => fun(#{csock := Sock, recv_select_info := SelectInfo}) -> + ok = socket:cancel(Sock, SelectInfo) + end}, + #{desc => "announce ready (cancel)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, cancel), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close connection socket", + cmd => fun(#{csock := Sock}) -> + socket:close(Sock) + end}, + #{desc => "close listen socket", + cmd => fun(#{lsock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + ClientSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + {Tester, Port} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, server_port => Port}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** The init part *** + #{desc => "which server (local) address", + cmd => fun(#{domain := Domain, server_port := Port} = State) -> + LSA = which_local_socket_addr(Domain), + SSA = LSA#{port => Port}, + {ok, State#{local_sa => LSA, server_sa => SSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{sock := Sock, local_sa := LSA} = _State) -> + case socket:bind(Sock, LSA) of + {ok, _Port} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% *** The actual test *** + #{desc => "await continue (connect)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, connect) + end}, + #{desc => "connect to server", + cmd => fun(#{sock := Sock, server_sa := SSA}) -> + socket:connect(Sock, SSA) + end}, + #{desc => "announce ready (connect)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, connect), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor client", + cmd => fun(#{client := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Port} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_port => Port}} + end}, + + %% Start the client + #{desc => "order client start", + cmd => fun(#{client := Pid, server_port := Port} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Port), + ok + end}, + #{desc => "await client ready (init)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, init) + end}, + + %% *** The actual test *** + #{desc => "order server to continue (with accept)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, accept), + ok + end}, + #{desc => "order client to continue (connect)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, connect), + ok + end}, + #{desc => "await client ready (connect)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, client, connect) + end}, + #{desc => "await server ready (accept)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, accept) + end}, + + #{desc => "order server to continue (recv)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await server ready (recv select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + #{desc => "await server ready (no select)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, no_select) + end}, + #{desc => "order server to continue (send request)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, cancel), + ok + end}, + #{desc => "await server ready (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, server, cancel) + end}, + + %% *** Termination *** + #{desc => "order client to terminate", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Client), + ok + end}, + #{desc => "await client termination", + cmd => fun(#{client := Client} = State) -> + ?SEV_AWAIT_TERMINATION(Client), + State1 = maps:remove(client, State), + {ok, State1} + end}, + #{desc => "order server to terminate", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Server), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Server} = State) -> + ?SEV_AWAIT_TERMINATION(Server), + State1 = maps:remove(server, State), + {ok, State1} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start client evaluator"), + Client = ?SEV_START("client", ClientSeq, InitState), + + i("start tester evaluator"), + TesterInitState = #{server => Server#ev.pid, + client => Client#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator(s)"), + ok = ?SEV_AWAIT_FINISH([Server, Client, Tester]). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make multiple async (Timeout = nowait) call(s) to recvfrom +%% (from *several* processes), wait some time and then cancel. +%% This should result in abort messages to the 'other' processes. +%% +api_a_mrecvfrom_cancel_udp4(suite) -> + []; +api_a_mrecvfrom_cancel_udp4(doc) -> + []; +api_a_mrecvfrom_cancel_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(20)), + tc_try(api_a_mrecvfrom_cancel_udp4, + fun() -> + Recv = fun(Sock) -> + case socket:recvfrom(Sock, 0, nowait) of + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_mrecv_cancel_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make multiple async (Timeout = nowait) call(s) to recvmsg +%% (from *several* processes), wait some time and then cancel. +%% This should result in abort messages to the 'other' processes. +%% +api_a_mrecvmsg_cancel_udp4(suite) -> + []; +api_a_mrecvmsg_cancel_udp4(doc) -> + []; +api_a_mrecvmsg_cancel_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(20)), + tc_try(api_a_mrecvmsg_cancel_udp4, + fun() -> + Recv = fun(Sock) -> + case socket:recvmsg(Sock, nowait) of + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_mrecv_cancel_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_mrecv_cancel_udp(InitState) -> + ServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{local_sa => LSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, dgram, udp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind socket (to local address)", + cmd => fun(#{sock := Sock, local_sa := LSA} = State) -> + case socket:bind(Sock, LSA) of + {ok, Port} -> + {ok, State#{port => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, sock := Sock}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Sock), + ok + end}, + + %% The actual test + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, SelectInfo} -> + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await abort message", + cmd => fun(#{sock := Sock, + recv_select_info := {select_info, _, Ref}} = State) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}}; + {'$socket', Sock, abort, {Ref, closed}} -> + {ok, maps:remove(sock, State)} + after 5000 -> + ?SEV_EPRINT("message queue: ~p", [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (abort)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, abort), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + State2 = maps:remove(tester, State), + State3 = maps:remove(recv_stag, State2), + State4 = maps:remove(recv_sref, State3), + State5 = maps:remove(req_src, State4), + {ok, State5}; + {error, _} = ERROR -> + ERROR + end + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + AltServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + {Tester, Sock} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, sock => Sock}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% The actual test + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, SelectInfo} -> + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await abort message", + cmd => fun(#{sock := Sock, + recv_select_info := {select_info, _, Ref}} = State) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}}; + {'$socket', Sock, abort, {Ref, closed}} -> + {ok, maps:remove(sock, State)} + after 5000 -> + ?SEV_EPRINT("message queue: ~p", [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (abort)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, abort), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + ?SEV_IPRINT("terminating"), + State1 = maps:remove(recv_select_info, State), + State2 = maps:remove(tester, State1), + State3 = maps:remove(sock, State2), + {ok, State3}; + {error, _} = ERROR -> + ERROR + end + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor alt-server 1", + cmd => fun(#{alt_server1 := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor alt-server 2", + cmd => fun(#{alt_server2 := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Sock} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{sock => Sock}} + end}, + + %% Start the alt-server 1 + #{desc => "order alt-server 1 start", + cmd => fun(#{alt_server1 := Pid, sock := Sock} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Sock), + ok + end}, + #{desc => "await alt-server 1 ready (init)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, alt_server1, init) + end}, + + %% Start the alt-server 2 + #{desc => "order alt-server 2 start", + cmd => fun(#{alt_server2 := Pid, sock := Sock} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Sock), + ok + end}, + #{desc => "await alt-server 2 ready (init)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, alt_server2, init) + end}, + + + %% The actual test + #{desc => "order server continue (recv)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await server ready (recv select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + + #{desc => "order alt-server 1 continue (recv)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await alt-server 1 ready (recv select)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, recv_select) + end}, + + #{desc => "order alt-server 2 continue (recv)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await alt-server 2 ready (recv select)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, recv_select) + end}, + + ?SEV_SLEEP(?SECS(1)), + + #{desc => "close the socket", + cmd => fun(#{sock := Sock} = _State) -> + socket:close(Sock) + end}, + + #{desc => "await server ready (abort)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, abort) + end}, + #{desc => "await alt-server 1 ready (abort)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, abort) + end}, + #{desc => "await alt-server 2 ready (abort)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, abort) + end}, + + %% Terminations + #{desc => "order alt-server 2 to terminate", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await alt-server 2 termination", + cmd => fun(#{alt_server2 := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(alt_server2, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "order alt-server 1 to terminate", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await alt-server 1 termination", + cmd => fun(#{alt_server1 := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(alt_server1, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "order server to terminate", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(server, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start alt-server 1 evaluator"), + AltServer1 = ?SEV_START("alt_server1", AltServerSeq, InitState), + + i("start alt-server 2 evaluator"), + AltServer2 = ?SEV_START("alt_server2", AltServerSeq, InitState), + + i("start 'tester' evaluator"), + TesterInitState = #{server => Server#ev.pid, + alt_server1 => AltServer1#ev.pid, + alt_server2 => AltServer2#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator(s)"), + ok = ?SEV_AWAIT_FINISH([Server, AltServer1, AltServer2, Tester]). + + + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make multiple async (Timeout = nowait) call(s) to accept +%% (from *several* processes), wait some time and then cancel, +%% This should result in abort messages to the 'other' processes. +%% +api_a_maccept_cancel_tcp4(suite) -> + []; +api_a_maccept_cancel_tcp4(doc) -> + []; +api_a_maccept_cancel_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(20)), + tc_try(api_a_maccept_cancel_tcp4, + fun() -> + Accept = fun(Sock) -> + case socket:accept(Sock, nowait) of + {ok, _} = OK -> + OK; + {select, _} = SELECT -> + SELECT; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + accept => Accept}, + ok = api_a_maccept_cancel_tcp(InitState) + end). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_maccept_cancel_tcp(InitState) -> + process_flag(trap_exit, true), + ServerSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "create listen socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{lsock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{lsock := LSock, lsa := LSA} = State) -> + case socket:bind(LSock, LSA) of + {ok, Port} -> + {ok, State#{lport => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "make listen socket", + cmd => fun(#{lsock := LSock}) -> + socket:listen(LSock) + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, lsock := Sock}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Sock), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "await connection (nowait)", + cmd => fun(#{lsock := LSock, accept := Accept} = State) -> + case Accept(LSock) of + {select, {select_info, T, R} = SelectInfo} -> + ?SEV_IPRINT("accept select: " + "~n T: ~p" + "~n R: ~p", [T, R]), + {ok, State#{accept_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept_select), + ok + end}, + #{desc => "await select message (without success)", + cmd => fun(#{lsock := Sock, + accept_select_info := {select_info, _, Ref}} = State) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}}; + {'$socket', Sock, abort, {Ref, closed}} -> + {ok, maps:remove(lsock, State)} + after 5000 -> + ?SEV_EPRINT("message queue: ~p", [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (abort)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, abort), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + AltServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + {Tester, Sock} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, lsock => Sock}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "try accept request (with nowait, expect select)", + cmd => fun(#{lsock := Sock, accept := Accept} = State) -> + case Accept(Sock) of + {select, SelectInfo} -> + {ok, State#{accept_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, accept_select), + ok + end}, + #{desc => "await abort message", + cmd => fun(#{lsock := Sock, + accept_select_info := {select_info, _, Ref}} = State) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}}; + {'$socket', Sock, abort, {Ref, closed}} -> + {ok, maps:remove(sock, State)} + after 5000 -> + ?SEV_EPRINT("message queue: ~p", [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (abort)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, abort), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + ?SEV_IPRINT("terminating"), + State1 = maps:remove(tester, State), + State2 = maps:remove(accept_select_info, State1), + State3 = maps:remove(lsock, State2), + {ok, State3}; + {error, _} = ERROR -> + ERROR + end + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor alt-server 1", + cmd => fun(#{alt_server1 := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor alt-server 2", + cmd => fun(#{alt_server2 := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Sock} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{sock => Sock}} + end}, + + %% Start the alt-server 1 + #{desc => "order alt-server 1 start", + cmd => fun(#{alt_server1 := Pid, sock := Sock} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Sock), + ok + end}, + #{desc => "await alt-server 1 ready (init)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, alt_server1, init) + end}, + + %% Start the alt-server 2 + #{desc => "order alt-server 2 start", + cmd => fun(#{alt_server2 := Pid, sock := Sock} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Sock), + ok + end}, + #{desc => "await alt-server 2 ready (init)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, alt_server2, init) + end}, + + + %% *** The actual test *** + #{desc => "order server continue (accept)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, accept), + ok + end}, + #{desc => "await server ready (accept select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, accept_select) + end}, + + #{desc => "order alt-server 1 continue (accept)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, accept), + ok + end}, + #{desc => "await alt-server 1 ready (accept select)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, accept_select) + end}, + + #{desc => "order alt-server 2 continue (accept)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, accept), + ok + end}, + #{desc => "await alt-server 2 ready (accept select)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, accept_select) + end}, + + ?SEV_SLEEP(?SECS(1)), + + #{desc => "close the socket", + cmd => fun(#{sock := Sock} = _State) -> + socket:close(Sock) + end}, + + #{desc => "await server ready (abort)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, abort) + end}, + #{desc => "await alt-server 1 ready (abort)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, abort) + end}, + #{desc => "await alt-server 2 ready (abort)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, abort) + end}, + + + %% *** Termination *** + #{desc => "order alt-server 2 to terminate", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await alt-server 2 termination", + cmd => fun(#{alt_server2 := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(alt_server2, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "order alt-server 1 to terminate", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await alt-server 1 termination", + cmd => fun(#{alt_server1 := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(alt_server1, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "order server to terminate", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Server), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Server} = State) -> + ?SEV_AWAIT_TERMINATION(Server), + State1 = maps:remove(server, State), + {ok, State1} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start alt-server 1 evaluator"), + AltServer1 = ?SEV_START("alt_server1", AltServerSeq, InitState), + + i("start alt-server 2 evaluator"), + AltServer2 = ?SEV_START("alt_server2", AltServerSeq, InitState), + + i("start tester evaluator"), + TesterInitState = #{server => Server#ev.pid, + alt_server1 => AltServer1#ev.pid, + alt_server2 => AltServer2#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator(s)"), + ok = ?SEV_AWAIT_FINISH([Server, AltServer1, AltServer2, Tester]). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make multiple async (Timeout = nowait) call(s) to recv +%% (from *several* processes), wait some time and then cancel, +%% This should result in abort messages to the 'other' processes. +%% +api_a_mrecv_cancel_tcp4(suite) -> + []; +api_a_mrecv_cancel_tcp4(doc) -> + []; +api_a_mrecv_cancel_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(20)), + tc_try(api_a_mrecv_cancel_tcp4, + fun() -> + Recv = fun(Sock) -> + socket:recv(Sock, 0, nowait) + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_mrecv_cancel_tcp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make multiple async (Timeout = nowait) call(s) to recvmsg +%% (from *several* processes), wait some time and then cancel, +%% This should result in abort messages to the 'other' processes. +%% +api_a_mrecvmsg_cancel_tcp4(suite) -> + []; +api_a_mrecvmsg_cancel_tcp4(doc) -> + []; +api_a_mrecvmsg_cancel_tcp4(_Config) when is_list(_Config) -> + ?TT(?SECS(20)), + tc_try(api_a_mrecvmsg_cancel_tcp4, + fun() -> + Recv = fun(Sock) -> + socket:recvmsg(Sock, nowait) + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_mrecv_cancel_tcp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_mrecv_cancel_tcp(InitState) -> + process_flag(trap_exit, true), + ServerSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LSA = which_local_socket_addr(Domain), + {ok, State#{lsa => LSA}} + end}, + #{desc => "create listen socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{lsock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{lsock := LSock, lsa := LSA} = State) -> + case socket:bind(LSock, LSA) of + {ok, Port} -> + {ok, State#{lport => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "make listen socket", + cmd => fun(#{lsock := LSock}) -> + socket:listen(LSock) + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, lport := Port}) -> + ?SEV_ANNOUNCE_READY(Tester, init, Port), + ok + end}, + + %% The actual test + #{desc => "await continue (accept)", + cmd => fun(#{tester := Tester}) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, accept) + end}, + #{desc => "await connection (nowait)", + cmd => fun(#{lsock := LSock} = State) -> + case socket:accept(LSock) of + {ok, CSock} -> + {ok, State#{csock => CSock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (accept)", + cmd => fun(#{tester := Tester, csock := Sock}) -> + ?SEV_ANNOUNCE_READY(Tester, accept, Sock), + ok + end}, + + #{desc => "await continue (nowait recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{csock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, {select_info, T, R} = SelectInfo} -> + ?SEV_IPRINT("recv select: " + "~n Tag: ~p" + "~n Ref: ~p", [T, R]), + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message", + cmd => fun(#{csock := Sock, + recv_select_info := {select_info, _, Ref}} = State) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}}; + {'$socket', Sock, abort, {Ref, closed}} -> + {ok, maps:remove(sock, State)} + after 5000 -> + ok + end + end}, + #{desc => "announce ready (abort)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, abort), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close listen socket", + cmd => fun(#{lsock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + AltServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + {Tester, Sock} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, sock => Sock}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% The actual test + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {select, SelectInfo} -> + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await abort message", + cmd => fun(#{sock := Sock, + recv_select_info := {select_info, _, Ref}} = State) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}}; + {'$socket', Sock, abort, {Ref, closed}} -> + {ok, maps:remove(sock, State)} + after 5000 -> + ?SEV_EPRINT("message queue: ~p", [mq()]), + {error, timeout} + end + end}, + #{desc => "announce ready (abort)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, abort), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + ?SEV_IPRINT("terminating"), + State1 = maps:remove(recv_select_info, State), + State2 = maps:remove(tester, State1), + State3 = maps:remove(sock, State2), + {ok, State3}; + {error, _} = ERROR -> + ERROR + end + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + ClientSeq = + [ + %% *** Wait for start order *** + #{desc => "await start (from tester)", + cmd => fun(State) -> + {Tester, Port} = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester, server_port => Port}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester}) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** The init part *** + #{desc => "which server (local) address", + cmd => fun(#{domain := Domain, server_port := Port} = State) -> + LSA = which_local_socket_addr(Domain), + SSA = LSA#{port => Port}, + {ok, State#{local_sa => LSA, server_sa => SSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, stream, tcp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind to local address", + cmd => fun(#{sock := Sock, local_sa := LSA} = _State) -> + case socket:bind(Sock, LSA) of + {ok, _Port} -> + ok; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, init), + ok + end}, + + %% *** The actual test *** + #{desc => "await continue (connect)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, connect) + end}, + #{desc => "connect to server", + cmd => fun(#{sock := Sock, server_sa := SSA}) -> + socket:connect(Sock, SSA) + end}, + #{desc => "announce ready (connect)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, connect), + ok + end}, + + %% *** Termination *** + #{desc => "await terminate", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + {ok, maps:remove(tester, State)}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock}) -> + socket:close(Sock) + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor alt-server 1", + cmd => fun(#{alt_server1 := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor alt-server 2", + cmd => fun(#{alt_server2 := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + #{desc => "monitor client", + cmd => fun(#{client := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, Port} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_port => Port}} + end}, + + %% Start the client + #{desc => "order client start", + cmd => fun(#{client := Pid, server_port := Port} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Port), + ok + end}, + #{desc => "await client ready (init)", + cmd => fun(#{client := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, client, init) + end}, + + #{desc => "order server to continue (with accept)", + cmd => fun(#{server := Server} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Server, accept), + ok + end}, + #{desc => "order client to continue (connect)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, connect), + ok + end}, + #{desc => "await client ready (connect)", + cmd => fun(#{client := Pid} = _State) -> + ?SEV_AWAIT_READY(Pid, client, connect) + end}, + #{desc => "await server ready (accept)", + cmd => fun(#{server := Pid} = State) -> + {ok, Sock} = ?SEV_AWAIT_READY(Pid, server, accept), + {ok, State#{sock => Sock}} + end}, + + %% Start the alt server 1 + #{desc => "order alt-server 1 start", + cmd => fun(#{alt_server1 := Pid, sock := Sock} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Sock), + ok + end}, + #{desc => "await alt-server 1 ready (init)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, init) + end}, + + %% Start the alt server 2 + #{desc => "order alt-server 2 start", + cmd => fun(#{alt_server2 := Pid, sock := Sock} = _State) -> + ?SEV_ANNOUNCE_START(Pid, Sock), + ok + end}, + #{desc => "await alt-server 2 ready (init)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, init) + end}, + + + %% *** The actual test *** + #{desc => "order server continue (recv)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await server ready (recv select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + + #{desc => "order alt-server 1 continue (recv)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await alt-server 1 ready (recv select)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, recv_select) + end}, + + #{desc => "order alt-server 2 continue (recv)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await alt-server 2 ready (recv select)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, recv_select) + end}, + + ?SEV_SLEEP(?SECS(1)), + + #{desc => "close the socket", + cmd => fun(#{sock := Sock} = _State) -> + socket:close(Sock) + end}, + + #{desc => "await server ready (abort)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, abort) + end}, + #{desc => "await alt-server 1 ready (abort)", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server1, abort) + end}, + #{desc => "await alt-server 2 ready (abort)", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, alt_server2, abort) + end}, + + %% Terminations + #{desc => "order client to terminate", + cmd => fun(#{client := Client} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Client), + ok + end}, + #{desc => "await client termination", + cmd => fun(#{client := Client} = State) -> + ?SEV_AWAIT_TERMINATION(Client), + State1 = maps:remove(client, State), + {ok, State1} + end}, + + #{desc => "order alt-server 2 to terminate", + cmd => fun(#{alt_server2 := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await alt-server 2 termination", + cmd => fun(#{alt_server2 := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(alt_server2, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "order alt-server 1 to terminate", + cmd => fun(#{alt_server1 := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await alt-server 1 termination", + cmd => fun(#{alt_server1 := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(alt_server1, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + #{desc => "order server to terminate", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(server, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + Server = ?SEV_START("server", ServerSeq, InitState), + + i("start alt-server 1 evaluator"), + AltServer1 = ?SEV_START("alt_server1", AltServerSeq, InitState), + + i("start alt-server 2 evaluator"), + AltServer2 = ?SEV_START("alt_server2", AltServerSeq, InitState), + + i("start client evaluator"), + Client = ?SEV_START("client", ClientSeq, InitState), + + i("start tester evaluator"), + TesterInitState = #{server => Server#ev.pid, + alt_server1 => AltServer1#ev.pid, + alt_server2 => AltServer2#ev.pid, + client => Client#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator(s)"), + ok = ?SEV_AWAIT_FINISH([Server, AltServer1, AltServer2, Client, Tester]). + + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% %% API OPTIONS %% @@ -19206,7 +23089,7 @@ which_ttest_runtime_env(false) -> %% ms: milliseconds %% s: seconds (default) %% m: minutes -which_ttest_runtime_env2([$m, $s | MS]) when (length(MS) > 0) -> +which_ttest_runtime_env2([$s, $m | MS]) when (length(MS) > 0) -> convert_time(MS, fun(X) -> X end); which_ttest_runtime_env2([$m | M]) when (length(M) > 0) -> convert_time(M, fun(X) -> ?MINS(X) end); @@ -19631,12 +23514,23 @@ ttest_tcp(InitState) -> %% Present the results #{desc => "present the results", - cmd => fun(#{result := Result} = State) -> + cmd => fun(#{result := Result, + domain := Domain, + server_mod := ServerTrans, + server_active := ServerActive, + client_mod := ClientTrans, + client_active := ClientActive, + msg_id := MsgID} = State) -> case Result of #{status := ok, runtime := RunTime, cnt := Cnt, bcnt := BCnt} -> + ttest_report(Domain, + ServerTrans, ServerActive, + ClientTrans, ClientActive, + MsgID, + RunTime, BCnt, Cnt), ?SEV_IPRINT( "TTest results: " "~n Run Time: ~s" @@ -19729,7 +23623,9 @@ ttest_tcp_server_start(Node, _Domain, gen, Active) -> socket_test_ttest_tcp_server:start_monitor(Node, Transport, Active); ttest_tcp_server_start(Node, Domain, sock, Active) -> TransportMod = socket_test_ttest_tcp_socket, - Transport = {TransportMod, #{domain => Domain, method => plain}}, + Transport = {TransportMod, #{domain => Domain, + async => true, + method => plain}}, socket_test_ttest_tcp_server:start_monitor(Node, Transport, Active). ttest_tcp_server_stop(Pid) -> @@ -19751,7 +23647,9 @@ ttest_tcp_client_start(Node, Domain, sock, ServerInfo, Active, MsgID, MaxOutstanding, RunTime) -> TransportMod = socket_test_ttest_tcp_socket, - Transport = {TransportMod, #{domain => Domain, method => plain}}, + Transport = {TransportMod, #{domain => Domain, + async => true, + method => plain}}, socket_test_ttest_tcp_client:start_monitor(Node, Notify, Transport, @@ -19762,6 +23660,183 @@ ttest_tcp_client_start(Node, %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +-define(TTEST_MANAGER, esock_ttest_manager). + +-record(ttest_report_id, + {domain :: socket:domain(), + serv_trans :: gen | sock, + serv_active :: once | boolean(), + client_trans :: gen | sock, + client_active :: once | boolean(), + msg_id :: small | medium | large}). + +-record(ttest_report, {id :: #ttest_report_id{}, + time :: non_neg_integer(), + bytes :: non_neg_integer(), + msgs :: non_neg_integer()}). + +-spec ttest_report(Domain :: socket:domain(), + ServTrans :: gen | sock, ServActive :: once | boolean(), + ClientTrans :: gen | sock, ClientActive :: once | boolean(), + MsgID :: 1 | 2 | 3, + RunTime :: non_neg_integer(), + NumBytes :: non_neg_integer(), + NumMsgs :: non_neg_integer()) -> ok. + +ttest_report(Domain, + ServTrans, ServActive, + ClientTrans, ClientActive, + MsgID, + RunTime, + NumBytes, + NumMsgs) -> + ID = #ttest_report_id{domain = Domain, + serv_trans = ServTrans, + serv_active = ServActive, + client_trans = ClientTrans, + client_active = ClientActive, + msg_id = ttest_msg_id_num_to_name(MsgID)}, + Report = #ttest_report{id = ID, + time = RunTime, + bytes = NumBytes, + msgs = NumMsgs}, + %% If we run just one test case, the group init has never been run + %% and therefor the ttest manager is not running (we also don't actually + %% care about collecting reports in that case). + (catch global:send(?TTEST_MANAGER, Report)), + ok. + +ttest_msg_id_num_to_name(1) -> + small; +ttest_msg_id_num_to_name(2) -> + medium; +ttest_msg_id_num_to_name(3) -> + large. + +ttest_manager_start() -> + Self = self(), + {Pid, MRef} = spawn_monitor(fun() -> ttest_manager_init(Self) end), + receive + {ttest_manager_started, Pid} -> + erlang:demonitor(MRef, [flush]), + ok; + {'DOWN', MRef, process, Pid, Reason} -> + exit({failed_starting, ttest_manager, Reason}) + after 5000 -> + exit(Pid, kill), + exit({failed_starting, ttest_manager, timeout}) + end. + +ttest_manager_stop() -> + case global:whereis_name(?TTEST_MANAGER) of + Pid when is_pid(Pid) -> + erlang:monitor(process, Pid), + global:send(?TTEST_MANAGER, stop), + receive + {'DOWN', _MRef, process, Pid, _} -> + ok + after 10000 -> + exit(Pid, kill), + ok + end; + _ -> + ok + end. + +ttest_manager_init(Parent) -> + yes = global:register_name(?TTEST_MANAGER, self()), + ets:new(?TTEST_MANAGER, + [{keypos, #ttest_report.id}, named_table, protected, ordered_set]), + Parent ! {ttest_manager_started, self()}, + ttest_manager_loop(). + +ttest_manager_loop() -> + receive + stop -> + ?LOGGER:format("manager stopping~n", []), + ttest_manager_done(); + + #ttest_report{id = _ID, + time = _RunTime, + bytes = _NumBytes, + msgs = _NumMsgs} = Report -> + true = ets:insert_new(?TTEST_MANAGER, Report), + ttest_manager_loop() + end. + +%% We are supposed to pretty print the result here... +ttest_manager_done() -> + format_reports(inet), + %% format_reports(inet6), + ets:delete(?TTEST_MANAGER), + exit(normal). + +format_reports(Domain) -> + ?LOGGER:format("Domain ~w reports:~n~n", [Domain]), + format_reports(Domain, small), + format_reports(Domain, medium), + format_reports(Domain, large). + +format_reports(Domain, MsgID) when is_atom(MsgID) -> + case which_ttest_reports(Domain, MsgID) of + [] -> + ?LOGGER:format(" No ~w reports~n~n", [MsgID]); + Reports -> + ?LOGGER:format(" ~w reports: ~n", [MsgID]), + lists:foreach(fun(R) -> format_report(R) end, Reports) + end. + +%% This should really be a table like this: +%% +%% client +%% server gen(false) gen(once) gen(true) sock(false) sock(once) sock(true) +%% gen(false) nnn +%% gen(once) nnn +%% gen(true) nnn +%% sock(false) nnn +%% sock(once) nnn +%% sock(true) nnn +%% +format_report(#ttest_report{id = #ttest_report_id{serv_trans = STrans, + serv_active = SActive, + client_trans = CTrans, + client_active = CActive}, + time = RunTime, + bytes = BCnt, + msgs = MCnt}) -> + ?LOGGER:format(" server ~w[~w] - client ~w[~w] => " + "~n Run Time: ~s" + "~n Bytes: ~s" + "~n Messages: ~s" + "~n", [STrans, SActive, CTrans, CActive, + ?TTEST_LIB:format_time(RunTime), + if ((BCnt =:= 0) orelse (RunTime =:= 0)) -> + ?TTEST_LIB:format("~w, ~w", + [BCnt, RunTime]); + true -> + ?TTEST_LIB:format("~p => ~p byte / ms", + [BCnt, BCnt div RunTime]) + end, + if (RunTime =:= 0) -> + "-"; + true -> + ?TTEST_LIB:format("~p => ~p iterations / ms", + [MCnt, MCnt div RunTime]) + end]), + ok. + + +which_ttest_reports(Domain, all) -> + [R || R = #ttest_report{id = #ttest_report_id{domain = D}} <- + ets:tab2list(?TTEST_MANAGER), Domain =:= D]; +which_ttest_reports(Domain, MsgID) -> + [R || R = #ttest_report{id = #ttest_report_id{domain = D, msg_id = MID}} <- + ets:tab2list(?TTEST_MANAGER), (Domain =:= D) andalso (MsgID =:= MID)]. + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + %% This mechanism has only one purpose: So that we are able to kill %% the node-starter process if it takes to long. The node-starter %% runs on the local node. diff --git a/erts/emulator/test/socket_test_logger.erl b/erts/emulator/test/socket_test_logger.erl index 26610e9ef3..f5d4c8c7b2 100644 --- a/erts/emulator/test/socket_test_logger.erl +++ b/erts/emulator/test/socket_test_logger.erl @@ -43,7 +43,7 @@ start(Quiet) -> ok; undefined -> Self = self(), - Pid = spawn_link(fun() -> init(Self, Quiet) end), + Pid = spawn(fun() -> init(Self, Quiet) end), yes = global:register_name(?LOGGER, Pid), ok end. diff --git a/erts/emulator/test/socket_test_ttest_tcp_client_socket.erl b/erts/emulator/test/socket_test_ttest_tcp_client_socket.erl index ccace2a560..ca7eff4437 100644 --- a/erts/emulator/test/socket_test_ttest_tcp_client_socket.erl +++ b/erts/emulator/test/socket_test_ttest_tcp_client_socket.erl @@ -21,89 +21,95 @@ -module(socket_test_ttest_tcp_client_socket). -export([ - start/3, start/4, start/6, start/7, + start/4, start/5, start/7, start/8, stop/1 ]). -define(TRANSPORT_MOD, socket_test_ttest_tcp_socket). --define(MOD(D, M), {?TRANSPORT_MOD, #{domain => D, method => M}}). +-define(MOD(D, A, M), {?TRANSPORT_MOD, #{domain => D, + async => A, + method => M}}). -start(Method, ServerInfo, Active) +start(Method, Async, Active, ServerInfo) when is_list(ServerInfo) -> Domain = local, - socket_test_ttest_tcp_client:start_monitor(?MOD(Domain, Method), - ServerInfo, Active); -start(Method, ServerInfo = {Addr, _}, Active) + socket_test_ttest_tcp_client:start_monitor(?MOD(Domain, Async, Method), + Active, ServerInfo); +start(Method, Async, Active, ServerInfo = {Addr, _}) when is_tuple(Addr) andalso (size(Addr) =:= 4) -> Domain = inet, - socket_test_ttest_tcp_client:start_monitor(?MOD(Domain, Method), - ServerInfo, Active); -start(Method, ServerInfo = {Addr, _}, Active) + socket_test_ttest_tcp_client:start_monitor(?MOD(Domain, Async, Method), + Active, ServerInfo); +start(Method, Async, Active, ServerInfo = {Addr, _}) when is_tuple(Addr) andalso (size(Addr) =:= 8) -> Domain = inet6, - socket_test_ttest_tcp_client:start_monitor(?MOD(Domain, Method), - ServerInfo, Active). + socket_test_ttest_tcp_client:start_monitor(?MOD(Domain, Async, Method), + Active, ServerInfo). -start(Method, ServerInfo, Active, MsgID) +start(Method, Async, Active, ServerInfo, MsgID) when is_list(ServerInfo) -> %% This is just a simplification Domain = local, - socket_test_ttest_tcp_client:start(?MOD(Domain, Method), - ServerInfo, Active, MsgID); -start(Method, ServerInfo = {Addr, _}, Active, MsgID) + socket_test_ttest_tcp_client:start(?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID); +start(Method, Async, Active, ServerInfo = {Addr, _}, MsgID) when is_tuple(Addr) andalso (size(Addr) =:= 4) -> %% This is just a simplification Domain = inet, - socket_test_ttest_tcp_client:start(?MOD(Domain, Method), - ServerInfo, Active, MsgID); -start(Method, ServerInfo = {Addr, _}, Active, MsgID) + socket_test_ttest_tcp_client:start(?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID); +start(Method, Async, Active, ServerInfo = {Addr, _}, MsgID) when is_tuple(Addr) andalso (size(Addr) =:= 8) -> Domain = inet6, - socket_test_ttest_tcp_client:start(?MOD(Domain, Method), - ServerInfo, Active, MsgID). + socket_test_ttest_tcp_client:start(?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID). -start(Method, ServerInfo, Active, MsgID, MaxOutstanding, RunTime) +start(Method, Async, Active, ServerInfo, MsgID, MaxOutstanding, RunTime) when is_list(ServerInfo) -> Domain = local, socket_test_ttest_tcp_client:start(false, - ?MOD(Domain, Method), - ServerInfo, Active, + ?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID, MaxOutstanding, RunTime); -start(Method, ServerInfo = {Addr, _}, Active, MsgID, MaxOutstanding, RunTime) +start(Method, Async, Active, ServerInfo = {Addr, _}, + MsgID, MaxOutstanding, RunTime) when is_tuple(Addr) andalso (size(Addr) =:= 4) -> Domain = inet, socket_test_ttest_tcp_client:start(false, - ?MOD(Domain, Method), - ServerInfo, Active, + ?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID, MaxOutstanding, RunTime); -start(Method, ServerInfo = {Addr, _}, Active, MsgID, MaxOutstanding, RunTime) +start(Method, Async, Active, ServerInfo = {Addr, _}, + MsgID, MaxOutstanding, RunTime) when is_tuple(Addr) andalso (size(Addr) =:= 8) -> Domain = inet6, socket_test_ttest_tcp_client:start(false, - ?MOD(Domain, Method), - ServerInfo, Active, + ?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID, MaxOutstanding, RunTime). -start(Quiet, Method, ServerInfo, Active, MsgID, MaxOutstanding, RunTime) +start(Quiet, Async, Active, Method, ServerInfo, MsgID, MaxOutstanding, RunTime) when is_list(ServerInfo) -> Domain = local, socket_test_ttest_tcp_client:start(Quiet, - ?MOD(Domain, Method), - ServerInfo, Active, + ?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID, MaxOutstanding, RunTime); -start(Quiet, Method, ServerInfo = {Addr, _}, Active, MsgID, MaxOutstanding, RunTime) +start(Quiet, Async, Active, Method, ServerInfo = {Addr, _}, + MsgID, MaxOutstanding, RunTime) when is_tuple(Addr) andalso (size(Addr) =:= 4) -> Domain = inet, socket_test_ttest_tcp_client:start(Quiet, - ?MOD(Domain, Method), - ServerInfo, Active, + ?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID, MaxOutstanding, RunTime); -start(Quiet, Method, ServerInfo = {Addr, _}, Active, MsgID, MaxOutstanding, RunTime) +start(Quiet, Async, Active, Method, ServerInfo = {Addr, _}, + MsgID, MaxOutstanding, RunTime) when is_tuple(Addr) andalso (size(Addr) =:= 8) -> Domain = inet6, socket_test_ttest_tcp_client:start(Quiet, - ?MOD(Domain, Method), - ServerInfo, Active, + ?MOD(Domain, Async, Method), + Active, ServerInfo, MsgID, MaxOutstanding, RunTime). stop(Pid) -> diff --git a/erts/emulator/test/socket_test_ttest_tcp_server.erl b/erts/emulator/test/socket_test_ttest_tcp_server.erl index e916fcb93e..27b561d4b7 100644 --- a/erts/emulator/test/socket_test_ttest_tcp_server.erl +++ b/erts/emulator/test/socket_test_ttest_tcp_server.erl @@ -90,7 +90,9 @@ start_monitor(_, Transport, Active) -> start(Transport, Active) -> do_start(self(), Transport, Active). - +%% Note that the Async option is actually only "used" for the +%% socket transport module (it details how to implement the +%% active feature). do_start(Parent, Transport, Active) when is_pid(Parent) andalso (is_atom(Transport) orelse is_tuple(Transport)) andalso @@ -179,42 +181,59 @@ process_transport({Mod, Opts}, _Active) -> server_loop(State) -> - server_loop( server_handle_message( server_accept(State) ) ). + server_loop( server_handle_message( server_accept(State, ?ACC_TIMEOUT), 0) ). -server_accept(#{mod := Mod, - active := Active, - lsock := LSock, - handlers := Handlers} = State) -> - case Mod:accept(LSock, ?ACC_TIMEOUT) of +server_accept(#{mod := Mod, lsock := LSock} = State, Timeout) -> + case Mod:accept(LSock, Timeout) of {ok, Sock} -> - ?I("accepted connection from ~s", - [case Mod:peername(Sock) of - {ok, Peer} -> - format_peername(Peer); - {error, _} -> - "-" - end]), - {Pid, _} = handler_start(), - ?I("handler ~p started -> try transfer socket control", [Pid]), - case Mod:controlling_process(Sock, Pid) of - ok -> - maybe_start_stats_timer(State, Pid), - ?I("server-accept: handler ~p started", [Pid]), - handler_continue(Pid, Mod, Sock, Active), - Handlers2 = [Pid | Handlers], - State#{handlers => Handlers2}; - {error, CPReason} -> - (catch Mod:close(Sock)), - (catch Mod:close(LSock)), - exit({controlling_process, CPReason}) - end; - {error, timeout} -> + server_handle_accepted(State, Sock); + {error, timeout} when (Timeout =/= nowait) -> State; {error, AReason} -> (catch Mod:close(LSock)), exit({accept, AReason}) end. +%% server_accept(#{mod := Mod, +%% lsock := LSock} = State) -> +%% case Mod:accept(LSock, ?ACC_TIMEOUT) of +%% {ok, Sock} -> +%% server_handle_accepted(State, Sock); +%% {error, timeout} -> +%% State; +%% {error, AReason} -> +%% (catch Mod:close(LSock)), +%% exit({accept, AReason}) +%% end. + +server_handle_accepted(#{mod := Mod, + lsock := LSock, + active := Active, + handlers := Handlers} = State, + Sock) -> + ?I("accepted connection from ~s", + [case Mod:peername(Sock) of + {ok, Peer} -> + format_peername(Peer); + {error, _} -> + "-" + end]), + {Pid, _} = handler_start(), + ?I("handler ~p started -> try transfer socket control", [Pid]), + case Mod:controlling_process(Sock, Pid) of + ok -> + maybe_start_stats_timer(State, Pid), + ?I("server-accept: handler ~p started", [Pid]), + handler_continue(Pid, Mod, Sock, Active), + Handlers2 = [Pid | Handlers], + State#{handlers => Handlers2}; + {error, CPReason} -> + (catch Mod:close(Sock)), + (catch Mod:close(LSock)), + exit({controlling_process, CPReason}) + end. + + format_peername({Addr, Port}) -> case inet:gethostbyaddr(Addr) of {ok, #hostent{h_name = N}} -> @@ -237,7 +256,7 @@ start_stats_timer(Time, ProcStr, Pid) -> server_handle_message(#{mod := Mod, lsock := LSock, parent := Parent, - handlers := H} = State) -> + handlers := H} = State, Timeout) -> receive {timeout, _TRef, {stats, Interval, ProcStr, Pid}} -> case server_handle_stats(ProcStr, Pid) of @@ -247,7 +266,7 @@ server_handle_message(#{mod := Mod, ok end, State; - + {?MODULE, Ref, Parent, stop} -> reply(Parent, Ref, ok), lists:foreach(fun(P) -> handler_stop(P) end, H), @@ -257,7 +276,7 @@ server_handle_message(#{mod := Mod, {'DOWN', _MRef, process, Pid, Reason} -> server_handle_down(Pid, Reason, State) - after 0 -> + after Timeout -> State end. @@ -342,15 +361,15 @@ handler_init(Parent) -> ?I("received continue"), reply(Parent, Ref, ok), handler_initial_activation(Mod, Sock, Active), - handler_loop(#{parent => Parent, - mod => Mod, - sock => Sock, - active => Active, - start => ?T(), - mcnt => 0, - bcnt => 0, - last_reply => none, - acc => <<>>}) + handler_loop(#{parent => Parent, + mod => Mod, + sock => Sock, + active => Active, + start => ?T(), + mcnt => 0, + bcnt => 0, + last_reply => none, + acc => <<>>}) after 5000 -> ?I("timeout when message queue: " diff --git a/erts/emulator/test/socket_test_ttest_tcp_server_socket.erl b/erts/emulator/test/socket_test_ttest_tcp_server_socket.erl index d1de230637..4045bf4e4e 100644 --- a/erts/emulator/test/socket_test_ttest_tcp_server_socket.erl +++ b/erts/emulator/test/socket_test_ttest_tcp_server_socket.erl @@ -21,18 +21,26 @@ -module(socket_test_ttest_tcp_server_socket). -export([ - start/3, + start/4, stop/1 ]). -define(TRANSPORT_MOD, socket_test_ttest_tcp_socket). -%% -define(MOD(D, M), {?TRANSPORT_MOD, #{domain => D, +%% -define(MOD(M), {?TRANSPORT_MOD, #{async => false, %% method => M, %% stats_interval => 10000}}). --define(MOD(D, M), {?TRANSPORT_MOD, #{domain => D, method => M}}). +-define(MOD(D,M,A), {?TRANSPORT_MOD, #{domain => D, + async => A, + method => M}}). -start(Method, Domain, Active) -> - socket_test_ttest_tcp_server:start(?MOD(Domain, Method), Active). +start(Method, Domain, Async, Active) -> + socket_test_ttest_tcp_server:start(?MOD(Domain, Method, Async), Active). + %% {ok, {Pid, AddrPort}} -> + %% MRef = erlang:monitor(process, Pid), + %% {ok, {Pid, MRef, AddrPort}}; + %% {error, _} = ERROR -> + %% ERROR + %% end. stop(Pid) -> socket_test_ttest_tcp_server:stop(Pid). diff --git a/erts/emulator/test/socket_test_ttest_tcp_socket.erl b/erts/emulator/test/socket_test_ttest_tcp_socket.erl index cf68bfe591..3aa3b2c504 100644 --- a/erts/emulator/test/socket_test_ttest_tcp_socket.erl +++ b/erts/emulator/test/socket_test_ttest_tcp_socket.erl @@ -57,7 +57,7 @@ %% ========================================================================== -%% This does not really work. Its just a placeholder for the time beeing... +%% This does not really work. Its just a placeholder for the time being... %% getopt(Sock, Opt) when is_atom(Opt) -> %% socket:getopt(Sock, socket, Opt). @@ -68,22 +68,32 @@ %% ========================================================================== -accept(#{sock := LSock, opts := #{method := Method} = Opts}) -> +%% The way we use server async its no point in doing a async accept call +%% (we do never actually run the test with more than one client). +accept(#{sock := LSock, opts := #{async := Async, + method := Method} = Opts}) -> case socket:accept(LSock) of - {ok, Sock} -> + {ok, Sock} -> Self = self(), - Reader = spawn(fun() -> reader_init(Self, Sock, false, Method) end), + Reader = spawn(fun() -> + reader_init(Self, Sock, Async, false, Method) + end), maybe_start_stats_timer(Opts, Reader), {ok, #{sock => Sock, reader => Reader, method => Method}}; {error, _} = ERROR -> ERROR end. -accept(#{sock := LSock, opts := #{method := Method} = Opts}, Timeout) -> +%% If a timeout has been explictly specified, then we do not use +%% async here. We will pass it on to the reader process. +accept(#{sock := LSock, opts := #{async := Async, + method := Method} = Opts}, Timeout) -> case socket:accept(LSock, Timeout) of {ok, Sock} -> Self = self(), - Reader = spawn(fun() -> reader_init(Self, Sock, false, Method) end), + Reader = spawn(fun() -> + reader_init(Self, Sock, Async, false, Method) + end), maybe_start_stats_timer(Opts, Reader), {ok, #{sock => Sock, reader => Reader, method => Method}}; {error, _} = ERROR -> @@ -153,7 +163,8 @@ connect(Addr, Port, #{domain := Domain} = Opts) -> do_connect(LocalSA, ServerSA, Cleanup, Opts#{proto => tcp}). do_connect(LocalSA, ServerSA, Cleanup, #{domain := Domain, - proto := Proto, + proto := Proto, + async := Async, method := Method} = Opts) -> try begin @@ -181,7 +192,9 @@ do_connect(LocalSA, ServerSA, Cleanup, #{domain := Domain, throw({error, {connect, CReason}}) end, Self = self(), - Reader = spawn(fun() -> reader_init(Self, Sock, false, Method) end), + Reader = spawn(fun() -> + reader_init(Self, Sock, Async, false, Method) + end), maybe_start_stats_timer(Opts, Reader), {ok, #{sock => Sock, reader => Reader, method => Method}} end @@ -219,9 +232,9 @@ listen() -> listen(0). listen(Port) when is_integer(Port) -> - listen(Port, #{domain => inet, method => plain}); + listen(Port, #{domain => inet, async => false, method => plain}); listen(Path) when is_list(Path) -> - listen(Path, #{domain => local, method => plain}). + listen(Path, #{domain => local, async => false, method => plain}). listen(0, #{domain := local} = Opts) -> listen(mk_unique_path(), Opts); @@ -241,8 +254,10 @@ listen(Port, #{domain := Domain} = Opts) do_listen(SA, Cleanup, - #{domain := Domain, proto := Proto, method := Method} = Opts) - when (Method =:= plain) orelse (Method =:= msg) -> + #{domain := Domain, proto := Proto, + async := Async, method := Method} = Opts) + when (Method =:= plain) orelse (Method =:= msg) andalso + is_boolean(Async) -> try begin Sock = case socket:open(Domain, stream, Proto) of @@ -339,13 +354,18 @@ sockname(#{sock := Sock}) -> %% ========================================================================== -reader_init(ControllingProcess, Sock, Active, Method) +reader_init(ControllingProcess, Sock, Async, Active, Method) when is_pid(ControllingProcess) andalso + is_boolean(Async) andalso (is_boolean(Active) orelse (Active =:= once)) andalso ((Method =:= plain) orelse (Method =:= msg)) -> + put(verbose, false), MRef = erlang:monitor(process, ControllingProcess), reader_loop(#{ctrl_proc => ControllingProcess, ctrl_proc_mref => MRef, + async => Async, + select_info => undefined, + select_num => 0, % Count the number of select messages active => Active, sock => Sock, method => Method}). @@ -356,11 +376,11 @@ reader_loop(#{active := false, ctrl_proc := Pid} = State) -> receive {?MODULE, stop} -> - exit(normal); + reader_exit(State, stop); {?MODULE, Pid, controlling_process, NewPid} -> - MRef = maps:get(ctrl_proc_mref, State), - erlang:demonitor(MRef, [flush]), + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), NewMRef = erlang:monitor(process, NewPid), Pid ! {?MODULE, self(), controlling_process}, reader_loop(State#{ctrl_proc => NewPid, @@ -371,10 +391,8 @@ reader_loop(#{active := false, {'DOWN', MRef, process, Pid, Reason} -> case maps:get(ctrl_proc_mref, State) of - MRef when (Reason =:= normal) -> - exit(normal); MRef -> - exit({controlling_process, Reason}); + reader_exit(State, {ctrl_exit, Reason}); _ -> reader_loop(State) end @@ -382,7 +400,8 @@ reader_loop(#{active := false, %% Read *once* and then change to false reader_loop(#{active := once, - sock := Sock, + async := false, + sock := Sock, method := Method, ctrl_proc := Pid} = State) -> case do_recv(Method, Sock) of @@ -392,25 +411,23 @@ reader_loop(#{active := once, {error, timeout} -> receive {?MODULE, stop} -> - exit(normal); + reader_exit(State, stop); {?MODULE, Pid, controlling_process, NewPid} -> - MRef = maps:get(ctrl_proc_mref, State), - erlang:demonitor(MRef, [flush]), - MRef = erlang:monitor(process, NewPid), + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), Pid ! {?MODULE, self(), controlling_process}, reader_loop(State#{ctrl_proc => NewPid, - ctrl_proc_mref => MRef}); + ctrl_proc_mref => NewMRef}); {?MODULE, active, NewActive} -> reader_loop(State#{active => NewActive}); {'DOWN', MRef, process, Pid, Reason} -> case maps:get(ctrl_proc_mref, State) of - MRef when (Reason =:= normal) -> - exit(normal); - MRef -> - exit({controlling_process, Reason}); + MRef -> + reader_exit(State, {ctrl_exit, Reason}); _ -> reader_loop(State) end @@ -418,17 +435,86 @@ reader_loop(#{active := once, reader_loop(State) end; - {error, closed} -> + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end; +reader_loop(#{active := once, + async := true, + select_info := undefined, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + case do_recv(Method, Sock, nowait) of + {select, SelectInfo} -> + reader_loop(State#{select_info => SelectInfo}); + {ok, Data} -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State#{active => false}); + + {error, closed} = E1 -> Pid ! ?CLOSED_MSG(Sock, Method), - exit(normal); + reader_exit(State, E1); - {error, Reason} -> + {error, Reason} = E2 -> Pid ! ?ERROR_MSG(Sock, Method, Reason), - exit(Reason) + reader_exit(State, E2) + end; +reader_loop(#{active := once, + async := true, + select_info := {select_info, _, Ref}, + select_num := N, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + receive + {?MODULE, stop} -> + reader_exit(State, stop); + + {?MODULE, Pid, controlling_process, NewPid} -> + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), + Pid ! {?MODULE, self(), controlling_process}, + reader_loop(State#{ctrl_proc => NewPid, + ctrl_proc_mref => NewMRef}); + + {?MODULE, active, NewActive} -> + reader_loop(State#{active => NewActive}); + + {'DOWN', MRef, process, Pid, Reason} -> + case maps:get(ctrl_proc_mref, State) of + MRef -> + reader_exit(State, {ctrl_exit, Reason}); + _ -> + reader_loop(State) + end; + + {'$socket', Sock, select, Ref} -> + case do_recv(Method, Sock, nowait) of + {ok, Data} when is_binary(Data) -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State#{active => false, + select_info => undefined, + select_num => N+1}); + + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end end; %% Read and forward data continuously reader_loop(#{active := true, + async := false, sock := Sock, method := Method, ctrl_proc := Pid} = State) -> @@ -439,25 +525,23 @@ reader_loop(#{active := true, {error, timeout} -> receive {?MODULE, stop} -> - exit(normal); + reader_exit(State, stop); {?MODULE, Pid, controlling_process, NewPid} -> - MRef = maps:get(ctrl_proc_mref, State), - erlang:demonitor(MRef, [flush]), - MRef = erlang:monitor(process, NewPid), + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), Pid ! {?MODULE, self(), controlling_process}, reader_loop(State#{ctrl_proc => NewPid, - ctrl_proc_mref => MRef}); + ctrl_proc_mref => NewMRef}); {?MODULE, active, NewActive} -> reader_loop(State#{active => NewActive}); {'DOWN', MRef, process, Pid, Reason} -> case maps:get(ctrl_proc_mref, State) of - MRef when (Reason =:= normal) -> - exit(normal); MRef -> - exit({controlling_process, Reason}); + reader_exit(State, {ctrl_exit, Reason}); _ -> reader_loop(State) end @@ -465,27 +549,170 @@ reader_loop(#{active := true, reader_loop(State) end; - {error, closed} -> + {error, closed} = E1 -> Pid ! ?CLOSED_MSG(Sock, Method), - exit(normal); + reader_exit(State, E1); - {error, Reason} -> + {error, Reason} = E2 -> Pid ! ?ERROR_MSG(Sock, Method, Reason), - exit(Reason) + reader_exit(State, E2) + end; +reader_loop(#{active := true, + async := true, + select_info := undefined, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + case do_recv(Method, Sock) of + {select, SelectInfo} -> + reader_loop(State#{select_info => SelectInfo}); + {ok, Data} -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State); + + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end; +reader_loop(#{active := true, + async := true, + select_info := {select_info, _, Ref}, + select_num := N, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + receive + {?MODULE, stop} -> + reader_exit(State, stop); + + {?MODULE, Pid, controlling_process, NewPid} -> + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), + Pid ! {?MODULE, self(), controlling_process}, + reader_loop(State#{ctrl_proc => NewPid, + ctrl_proc_mref => NewMRef}); + + {?MODULE, active, NewActive} -> + reader_loop(State#{active => NewActive}); + + {'DOWN', MRef, process, Pid, Reason} -> + case maps:get(ctrl_proc_mref, State) of + MRef -> + reader_exit(State, {ctrl_exit, Reason}); + _ -> + reader_loop(State) + end; + + {'$socket', Sock, select, Ref} -> + case do_recv(Method, Sock, nowait) of + {ok, Data} when is_binary(Data) -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State#{select_info => undefined, + select_num => N+1}); + + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end end. -do_recv(plain, Sock) -> - socket:recv(Sock, 0, ?READER_RECV_TIMEOUT); -do_recv(msg, Sock) -> - case socket:recvmsg(Sock, 0, 0, [], ?READER_RECV_TIMEOUT) of +do_recv(Method, Sock) -> + do_recv(Method, Sock, ?READER_RECV_TIMEOUT). + +do_recv(plain, Sock, Timeout) -> + socket:recv(Sock, 0, Timeout); +do_recv(msg, Sock, Timeout) -> + case socket:recvmsg(Sock, 0, 0, [], Timeout) of {ok, #{iov := [Bin]}} -> {ok, Bin}; + {select, _} = SELECT -> + SELECT; {error, _} = ERROR -> ERROR end. - - + + +reader_exit(#{async := false, active := Active}, stop) -> + vp("reader stopped when active: ~w", [Active]), + exit(normal); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, stop) -> + vp("reader stopped when active: ~w" + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(normal); +reader_exit(#{async := false, active := Active}, {ctrl_exit, normal}) -> + vp("reader ctrl exit when active: ~w", [Active]), + exit(normal); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {ctrl_exit, normal}) -> + vp("reader ctrl exit when active: ~w" + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(normal); +reader_exit(#{async := false, active := Active}, {ctrl_exit, Reason}) -> + vp("reader exit when ctrl crash when active: ~w", [Active]), + exit({controlling_process, Reason}); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {ctrl_exit, Reason}) -> + vp("reader exit when ctrl crash when active: ~w" + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit({controlling_process, Reason}); +reader_exit(#{async := false, active := Active}, {error, closed}) -> + vp("reader exit when socket closed when active: ~w", [Active]), + exit(normal); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {error, closed}) -> + vp("reader exit when socket closed when active: ~w " + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(normal); +reader_exit(#{async := false, active := Active}, {error, Reason}) -> + vp("reader exit when socket error when active: ~w", [Active]), + exit(Reason); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {error, Reason}) -> + vp("reader exit when socket error when active: ~w: " + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(Reason). + + + + + %% ========================================================================== +vp(F, A) -> + vp(get(verbose), F, A). + +vp(true, F, A) -> + p(F, A); +vp(_, _, _) -> + ok. + +p(F, A) -> + io:format(F ++ "~n", A). + diff --git a/erts/preloaded/ebin/socket.beam b/erts/preloaded/ebin/socket.beam Binary files differindex e37aa81b7c..134b4eac13 100644 --- a/erts/preloaded/ebin/socket.beam +++ b/erts/preloaded/ebin/socket.beam diff --git a/erts/preloaded/src/socket.erl b/erts/preloaded/src/socket.erl index 0f0d8f7a02..ae1ffdb4ac 100644 --- a/erts/preloaded/src/socket.erl +++ b/erts/preloaded/src/socket.erl @@ -53,10 +53,16 @@ getopt/3, sockname/1, - peername/1 + peername/1, + + cancel/2 ]). -export_type([ + select_tag/0, + select_ref/0, + select_info/0, + domain/0, type/0, protocol/0, @@ -585,6 +591,17 @@ #{level := integer(), type := integer(), data := binary()}. +-opaque select_tag() :: atom(). +-opaque select_ref() :: reference(). + +-record(select_info, {tag :: select_tag(), ref :: select_ref()}). + +-type select_info() :: #select_info{}. + +-define(SELECT_INFO(T, R), #select_info{tag = T, ref = R}). +-define(SELECT(T, R), {select, ?SELECT_INFO(T, R)}). + + %% This is used in messages sent from the nif-code to erlang processes: %% %% {?SOCKET_TAG, Socket :: socket(), Tag :: atom(), Info :: term()} @@ -1189,18 +1206,24 @@ validate_inet6_addrs(Addrs) -> %% -spec connect(Socket, SockAddr) -> ok | {error, Reason} when - Socket :: socket(), - SockAddr :: sockaddr(), - Reason :: term(). + Socket :: socket(), + SockAddr :: sockaddr(), + Reason :: term(). connect(Socket, SockAddr) -> connect(Socket, SockAddr, infinity). --spec connect(Socket, SockAddr, Timeout) -> ok | {error, Reason} when - Socket :: socket(), - SockAddr :: sockaddr(), - Timeout :: timeout(), - Reason :: term(). +-spec connect(Socket, SockAddr, nowait) -> + ok | {select, SelectInfo} | {error, Reason} when + Socket :: socket(), + SockAddr :: sockaddr(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, SockAddr, Timeout) -> ok | {error, Reason} when + Socket :: socket(), + SockAddr :: sockaddr(), + Timeout :: timeout(), + Reason :: term(). %% <KOLLA> %% Is it possible to connect with family = local for the (dest) sockaddr? @@ -1210,12 +1233,18 @@ connect(_Socket, _SockAddr, Timeout) {error, timeout}; connect(#socket{ref = SockRef}, #{family := Fam} = SockAddr, Timeout) when ((Fam =:= inet) orelse (Fam =:= inet6) orelse (Fam =:= local)) andalso - ((Timeout =:= infinity) orelse is_integer(Timeout)) -> + ((Timeout =:= nowait) orelse + (Timeout =:= infinity) orelse is_integer(Timeout)) -> TS = timestamp(Timeout), case nif_connect(SockRef, SockAddr) of ok -> %% Connected! ok; + + {ok, Ref} when (Timeout =:= nowait) -> + %% Connecting, but the caller does not want to wait... + ?SELECT(connect, Ref); + {ok, Ref} -> %% Connecting... NewTimeout = next_timeout(TS, Timeout), @@ -1268,17 +1297,27 @@ listen(#socket{ref = SockRef}, Backlog) accept(Socket) -> accept(Socket, ?SOCKET_ACCEPT_TIMEOUT_DEFAULT). --spec accept(LSocket, Timeout) -> {ok, Socket} | {error, Reason} when - LSocket :: socket(), - Timeout :: timeout(), - Socket :: socket(), - Reason :: term(). +-spec accept(LSocket, nowait) -> + {ok, Socket} | + {select, SelectInfo} | + {error, Reason} when + LSocket :: socket(), + Socket :: socket(), + SelectInfo :: select_info(), + Reason :: term() + ; (LSocket, Timeout) -> {ok, Socket} | {error, Reason} when + LSocket :: socket(), + Timeout :: timeout(), + Socket :: socket(), + Reason :: term(). %% Do we really need this optimization? accept(_, Timeout) when is_integer(Timeout) andalso (Timeout =< 0) -> {error, timeout}; accept(#socket{ref = LSockRef}, Timeout) - when is_integer(Timeout) orelse (Timeout =:= infinity) -> + when is_integer(Timeout) orelse + (Timeout =:= infinity) orelse + (Timeout =:= nowait) -> do_accept(LSockRef, Timeout). do_accept(LSockRef, Timeout) -> @@ -1289,6 +1328,11 @@ do_accept(LSockRef, Timeout) -> Socket = #socket{ref = SockRef}, {ok, Socket}; + + {error, eagain} when (Timeout =:= nowait) -> + ?SELECT(accept, AccRef); + + {error, eagain} -> %% Each call is non-blocking, but even then it takes %% *some* time, so just to be sure, recalculate before @@ -1327,33 +1371,56 @@ send(Socket, Data) -> send(Socket, Data, ?SOCKET_SEND_FLAGS_DEFAULT, ?SOCKET_SEND_TIMEOUT_DEFAULT). -spec send(Socket, Data, Flags) -> ok | {error, Reason} when - Socket :: socket(), - Data :: iodata(), - Flags :: send_flags(), - Reason :: term() + Socket :: socket(), + Data :: iodata(), + Flags :: send_flags(), + Reason :: term() + ; (Socket, Data, Timeout :: nowait) -> ok | + {select, SelectInfo} | + {ok, {RestData, SelectInfo}} | + {error, Reason} when + Socket :: socket(), + Data :: iodata(), + RestData :: binary(), + SelectInfo :: select_info(), + Reason :: term() ; (Socket, Data, Timeout) -> ok | {error, Reason} when - Socket :: socket(), - Data :: iodata(), - Timeout :: timeout(), - Reason :: term(). + Socket :: socket(), + Data :: iodata(), + Timeout :: timeout(), + Reason :: term(). send(Socket, Data, Flags) when is_list(Flags) -> send(Socket, Data, Flags, ?SOCKET_SEND_TIMEOUT_DEFAULT); send(Socket, Data, Timeout) -> send(Socket, Data, ?SOCKET_SEND_FLAGS_DEFAULT, Timeout). --spec send(Socket, Data, Flags, Timeout) -> ok | {error, Reason} when - Socket :: socket(), - Data :: iodata(), - Flags :: send_flags(), - Timeout :: timeout(), - Reason :: term(). +-spec send(Socket, Data, Flags, nowait) -> ok | + {select, SelectInfo} | + {ok, {RestData, SelectInfo}} | + {error, Reason} when + Socket :: socket(), + Data :: iodata(), + Flags :: send_flags(), + RestData :: binary(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, Data, Flags, Timeout) -> ok | {error, Reason} when + Socket :: socket(), + Data :: iodata(), + Flags :: send_flags(), + Timeout :: timeout(), + Reason :: term(). send(Socket, Data, Flags, Timeout) when is_list(Data) -> Bin = erlang:list_to_binary(Data), send(Socket, Bin, Flags, Timeout); send(#socket{ref = SockRef}, Data, Flags, Timeout) - when is_binary(Data) andalso is_list(Flags) -> + when is_binary(Data) andalso + is_list(Flags) andalso + ((Timeout =:= nowait) orelse + (Timeout =:= infinity) orelse + (is_integer(Timeout) andalso (Timeout > 0))) -> EFlags = enc_send_flags(Flags), do_send(SockRef, Data, EFlags, Timeout). @@ -1363,6 +1430,15 @@ do_send(SockRef, Data, EFlags, Timeout) -> case nif_send(SockRef, SendRef, Data, EFlags) of ok -> ok; + + + {ok, Written} when (Timeout =:= nowait) -> + <<_:Written/binary, Rest/binary>> = Data, + %% We are partially done, but the user don't want to wait (here) + %% for completion + {ok, {Rest, ?SELECT_INFO(send, SendRef)}}; + + {ok, Written} -> NewTimeout = next_timeout(TS, Timeout), %% We are partially done, wait for continuation @@ -1384,6 +1460,12 @@ do_send(SockRef, Data, EFlags, Timeout) -> cancel(SockRef, send, SendRef), {error, {timeout, size(Data)}} end; + + + {error, eagain} when (Timeout =:= nowait) -> + ?SELECT(send, SendRef); + + {error, eagain} -> receive {?SOCKET_TAG, #socket{ref = SockRef}, select, SendRef} -> @@ -1419,17 +1501,25 @@ sendto(Socket, Data, Dest) -> sendto(Socket, Data, Dest, ?SOCKET_SENDTO_FLAGS_DEFAULT). -spec sendto(Socket, Data, Dest, Flags) -> ok | {error, Reason} when - Socket :: socket(), - Data :: binary(), - Dest :: null | sockaddr(), - Flags :: send_flags(), - Reason :: term() + Socket :: socket(), + Data :: binary(), + Dest :: null | sockaddr(), + Flags :: send_flags(), + Reason :: term() + ; (Socket, Data, Dest, Timeout :: nowait) -> ok | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + Data :: iodata(), + Dest :: null | sockaddr(), + SelectInfo :: select_info(), + Reason :: term() ; (Socket, Data, Dest, Timeout) -> ok | {error, Reason} when - Socket :: socket(), - Data :: iodata(), - Dest :: null | sockaddr(), - Timeout :: timeout(), - Reason :: term(). + Socket :: socket(), + Data :: iodata(), + Dest :: null | sockaddr(), + Timeout :: timeout(), + Reason :: term(). sendto(Socket, Data, Dest, Flags) when is_list(Flags) -> sendto(Socket, Data, Dest, Flags, ?SOCKET_SENDTO_TIMEOUT_DEFAULT); @@ -1437,13 +1527,22 @@ sendto(Socket, Data, Dest, Timeout) -> sendto(Socket, Data, Dest, ?SOCKET_SENDTO_FLAGS_DEFAULT, Timeout). --spec sendto(Socket, Data, Dest, Flags, Timeout) -> ok | {error, Reason} when - Socket :: socket(), - Data :: binary(), - Dest :: null | sockaddr(), - Flags :: send_flags(), - Timeout :: timeout(), - Reason :: term(). +-spec sendto(Socket, Data, Dest, Flags, nowait) -> ok | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + Data :: binary(), + Dest :: null | sockaddr(), + Flags :: send_flags(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, Data, Dest, Flags, Timeout) -> ok | {error, Reason} when + Socket :: socket(), + Data :: binary(), + Dest :: null | sockaddr(), + Flags :: send_flags(), + Timeout :: timeout(), + Reason :: term(). sendto(Socket, Data, Dest, Flags, Timeout) when is_list(Data) -> Bin = erlang:list_to_binary(Data), @@ -1452,14 +1551,18 @@ sendto(#socket{ref = SockRef}, Data, Dest, Flags, Timeout) when is_binary(Data) andalso (Dest =:= null) andalso is_list(Flags) andalso - (is_integer(Timeout) orelse (Timeout =:= infinity)) -> + ((Timeout =:= nowait) orelse + (Timeout =:= infinity) orelse + (is_integer(Timeout) andalso (Timeout > 0))) -> EFlags = enc_send_flags(Flags), do_sendto(SockRef, Data, Dest, EFlags, Timeout); sendto(#socket{ref = SockRef}, Data, #{family := Fam} = Dest, Flags, Timeout) when is_binary(Data) andalso ((Fam =:= inet) orelse (Fam =:= inet6) orelse (Fam =:= local)) andalso is_list(Flags) andalso - (is_integer(Timeout) orelse (Timeout =:= infinity)) -> + ((Timeout =:= nowait) orelse + (Timeout =:= infinity) orelse + (is_integer(Timeout) andalso (Timeout > 0))) -> EFlags = enc_send_flags(Flags), do_sendto(SockRef, Data, Dest, EFlags, Timeout). @@ -1471,6 +1574,11 @@ do_sendto(SockRef, Data, Dest, EFlags, Timeout) -> %% We are done ok; + {ok, Written} when (Timeout =:= nowait) -> + <<_:Written/binary, Rest/binary>> = Data, + {ok, {Rest, ?SELECT_INFO(sendto, SendRef)}}; + + {ok, Written} -> %% We are partially done, wait for continuation receive @@ -1492,6 +1600,11 @@ do_sendto(SockRef, Data, Dest, EFlags, Timeout) -> {error, timeout} end; + + {error, eagain} when (Timeout =:= nowait) -> + ?SELECT(sendto, SendRef); + + {error, eagain} -> receive {?SOCKET_TAG, #socket{ref = SockRef}, select, SendRef} -> @@ -1535,11 +1648,18 @@ sendmsg(Socket, MsgHdr) -> MsgHdr :: msghdr(), Flags :: send_flags(), Reason :: term() + ; (Socket, MsgHdr, Timeout :: nowait) -> ok | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + MsgHdr :: msghdr(), + SelectInfo :: select_info(), + Reason :: term() ; (Socket, MsgHdr, Timeout) -> ok | {error, Reason} when - Socket :: socket(), - MsgHdr :: msghdr(), - Timeout :: timeout(), - Reason :: term(). + Socket :: socket(), + MsgHdr :: msghdr(), + Timeout :: timeout(), + Reason :: term(). sendmsg(Socket, MsgHdr, Flags) when is_list(Flags) -> sendmsg(Socket, MsgHdr, Flags, ?SOCKET_SENDMSG_TIMEOUT_DEFAULT); @@ -1548,19 +1668,34 @@ sendmsg(Socket, MsgHdr, Timeout) sendmsg(Socket, MsgHdr, ?SOCKET_SENDMSG_FLAGS_DEFAULT, Timeout). --spec sendmsg(Socket, MsgHdr, Flags, Timeout) -> - ok | {ok, Remaining} | {error, Reason} when - Socket :: socket(), - MsgHdr :: msghdr(), - Flags :: send_flags(), - Timeout :: timeout(), - Remaining :: erlang:iovec(), - Reason :: term(). +-spec sendmsg(Socket, MsgHdr, Flags, nowait) -> + ok | + {ok, Remaining} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + MsgHdr :: msghdr(), + Flags :: send_flags(), + Remaining :: erlang:iovec(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, MsgHdr, Flags, Timeout) -> + ok | + {ok, Remaining} | + {error, Reason} when + Socket :: socket(), + MsgHdr :: msghdr(), + Flags :: send_flags(), + Timeout :: timeout(), + Remaining :: erlang:iovec(), + Reason :: term(). sendmsg(#socket{ref = SockRef}, #{iov := IOV} = MsgHdr, Flags, Timeout) when is_list(IOV) andalso is_list(Flags) andalso - (is_integer(Timeout) orelse (Timeout =:= infinity)) -> + ((Timeout =:= nowait) orelse + (Timeout =:= infinity) orelse + (is_integer(Timeout) andalso (Timeout > 0))) -> try ensure_msghdr(MsgHdr) of M -> EFlags = enc_send_flags(Flags), @@ -1580,6 +1715,7 @@ do_sendmsg(SockRef, MsgHdr, EFlags, Timeout) -> %% We are done ok; + {ok, Written} when is_integer(Written) andalso (Written > 0) -> %% We should not retry here since the protocol may not %% be able to handle a message being split. Leave it to @@ -1591,6 +1727,11 @@ do_sendmsg(SockRef, MsgHdr, EFlags, Timeout) -> cancel(SockRef, sendmsg, SendRef), {ok, do_sendmsg_rest(maps:get(iov, MsgHdr), Written)}; + + {error, eagain} when (Timeout =:= nowait) -> + ?SELECT(sendmsg, SendRef); + + {error, eagain} -> receive {?SOCKET_TAG, #socket{ref = SockRef}, select, SendRef} -> @@ -1664,13 +1805,24 @@ recv(Socket, Length) -> ?SOCKET_RECV_FLAGS_DEFAULT, ?SOCKET_RECV_TIMEOUT_DEFAULT). --spec recv(Socket, Length, Flags) -> {ok, Data} | {error, Reason} when +-spec recv(Socket, Length, Flags) -> {ok, Data} | + {error, Reason} when Socket :: socket(), Length :: non_neg_integer(), Flags :: recv_flags(), Data :: binary(), Reason :: term() - ; (Socket, Length, Timeout) -> {ok, Data} | {error, Reason} when + ; (Socket, Length, Timeout :: nowait) -> {ok, Data} | + {select, SelectInfo} | + {ok, {Data, SelectInfo}} | + {error, Reason} when + Socket :: socket(), + Length :: non_neg_integer(), + Data :: binary(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, Length, Timeout) -> {ok, Data} | + {error, Reason} when Socket :: socket(), Length :: non_neg_integer(), Timeout :: timeout(), @@ -1682,18 +1834,31 @@ recv(Socket, Length, Flags) when is_list(Flags) -> recv(Socket, Length, Timeout) -> recv(Socket, Length, ?SOCKET_RECV_FLAGS_DEFAULT, Timeout). --spec recv(Socket, Length, Flags, Timeout) -> {ok, Data} | {error, Reason} when - Socket :: socket(), - Length :: non_neg_integer(), - Flags :: recv_flags(), - Timeout :: timeout(), - Data :: binary(), - Reason :: term(). +-spec recv(Socket, Length, Flags, nowait) -> {ok, Data} | + {select, SelectInfo} | + {ok, {Data, SelectInfo}} | + {error, Reason} when + Socket :: socket(), + Length :: non_neg_integer(), + Flags :: recv_flags(), + Data :: binary(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, Length, Flags, Timeout) -> {ok, Data} | + {error, Reason} when + Socket :: socket(), + Length :: non_neg_integer(), + Flags :: recv_flags(), + Timeout :: timeout(), + Data :: binary(), + Reason :: term(). recv(#socket{ref = SockRef}, Length, Flags, Timeout) when (is_integer(Length) andalso (Length >= 0)) andalso is_list(Flags) andalso - (is_integer(Timeout) orelse (Timeout =:= infinity)) -> + (is_integer(Timeout) orelse + (Timeout =:= infinity) orelse + (Timeout =:= nowait)) -> EFlags = enc_recv_flags(Flags), do_recv(SockRef, undefined, Length, EFlags, <<>>, Timeout). @@ -1701,8 +1866,12 @@ recv(#socket{ref = SockRef}, Length, Flags, Timeout) %% with Length = 0. This case makes it neccessary to have a timeout function %% clause since we may never wait for anything (no receive select), and so the %% the only timeout check will be the function clause. +%% Note that the Timeout value of 'nowait' has a special meaning. It means +%% that we will either return with data or with the with {error, NNNN}. In +%% wich case the caller will receive a select message at some later time. do_recv(SockRef, _OldRef, Length, EFlags, Acc, Timeout) - when (Timeout =:= infinity) orelse + when (Timeout =:= nowait) orelse + (Timeout =:= infinity) orelse (is_integer(Timeout) andalso (Timeout > 0)) -> TS = timestamp(Timeout), RecvRef = make_ref(), @@ -1723,6 +1892,15 @@ do_recv(SockRef, _OldRef, Length, EFlags, Acc, Timeout) <<Acc/binary, Bin/binary>>, next_timeout(TS, Timeout)); + + %% Did not get all the user asked for, but the user also + %% specified 'nowait', so deliver what we got and the + %% select info. + {ok, false = _Completed, Bin} when (Timeout =:= nowait) andalso + (size(Acc) =:= 0) -> + {ok, {Bin, ?SELECT_INFO(recv, RecvRef)}}; + + {ok, false = _Completed, Bin} when (size(Acc) =:= 0) -> %% We got the first chunk of it. %% We will be notified (select message) when there @@ -1761,6 +1939,17 @@ do_recv(SockRef, _OldRef, Length, EFlags, Acc, Timeout) {error, {timeout, Acc}} end; + + %% The user does not want to wait! + %% The user will be informed that there is something to read + %% via the select socket message (see below). + + {error, eagain} when (Timeout =:= nowait) andalso (size(Acc) =:= 0) -> + ?SELECT(recv, RecvRef); + {error, eagain} when (Timeout =:= nowait) -> + {ok, {Acc, ?SELECT_INFO(recv, RecvRef)}}; + + %% We return with the accumulated binary (if its non-empty) {error, eagain} when (Length =:= 0) andalso (size(Acc) > 0) -> %% CAN WE REALLY DO THIS? THE NIF HAS SELECTED!! OR? @@ -1851,30 +2040,51 @@ recvfrom(Socket, BufSz) -> ?SOCKET_RECV_FLAGS_DEFAULT, ?SOCKET_RECV_TIMEOUT_DEFAULT). --spec recvfrom(Socket, Flags, Timeout) -> - {ok, {Source, Data}} | {error, Reason} when - Socket :: socket(), - Flags :: recv_flags(), - Timeout :: timeout(), - Source :: sockaddr() | undefined, - Data :: binary(), - Reason :: term() +-spec recvfrom(Socket, Flags, nowait) -> + {ok, {Source, Data}} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + Flags :: recv_flags(), + Source :: sockaddr() | undefined, + Data :: binary(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, Flags, Timeout) -> + {ok, {Source, Data}} | + {error, Reason} when + Socket :: socket(), + Flags :: recv_flags(), + Timeout :: timeout(), + Source :: sockaddr() | undefined, + Data :: binary(), + Reason :: term() ; (Socket, BufSz, Flags) -> {ok, {Source, Data}} | {error, Reason} when - Socket :: socket(), - BufSz :: non_neg_integer(), - Flags :: recv_flags(), - Source :: sockaddr() | undefined, - Data :: binary(), - Reason :: term() + Socket :: socket(), + BufSz :: non_neg_integer(), + Flags :: recv_flags(), + Source :: sockaddr() | undefined, + Data :: binary(), + Reason :: term() + ; (Socket, BufSz, nowait) -> + {ok, {Source, Data}} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + BufSz :: non_neg_integer(), + Source :: sockaddr() | undefined, + Data :: binary(), + SelectInfo :: select_info(), + Reason :: term() ; (Socket, BufSz, Timeout) -> {ok, {Source, Data}} | {error, Reason} when - Socket :: socket(), - BufSz :: non_neg_integer(), - Timeout :: timeout(), - Source :: sockaddr() | undefined, - Data :: binary(), - Reason :: term(). + Socket :: socket(), + BufSz :: non_neg_integer(), + Timeout :: timeout(), + Source :: sockaddr() | undefined, + Data :: binary(), + Reason :: term(). recvfrom(Socket, Flags, Timeout) when is_list(Flags) -> recvfrom(Socket, 0, Flags, Timeout); @@ -1883,20 +2093,34 @@ recvfrom(Socket, BufSz, Flags) when is_list(Flags) -> recvfrom(Socket, BufSz, Timeout) -> recvfrom(Socket, BufSz, ?SOCKET_RECV_FLAGS_DEFAULT, Timeout). --spec recvfrom(Socket, BufSz, Flags, Timeout) -> - {ok, {Source, Data}} | {error, Reason} when - Socket :: socket(), - BufSz :: non_neg_integer(), - Flags :: recv_flags(), - Timeout :: timeout(), - Source :: sockaddr() | undefined, - Data :: binary(), - Reason :: term(). +-spec recvfrom(Socket, BufSz, Flags, nowait) -> + {ok, {Source, Data}} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + BufSz :: non_neg_integer(), + Flags :: recv_flags(), + Source :: sockaddr() | undefined, + Data :: binary(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, BufSz, Flags, Timeout) -> + {ok, {Source, Data}} | + {error, Reason} when + Socket :: socket(), + BufSz :: non_neg_integer(), + Flags :: recv_flags(), + Timeout :: timeout(), + Source :: sockaddr() | undefined, + Data :: binary(), + Reason :: term(). recvfrom(#socket{ref = SockRef}, BufSz, Flags, Timeout) when (is_integer(BufSz) andalso (BufSz >= 0)) andalso is_list(Flags) andalso - (is_integer(Timeout) orelse (Timeout =:= infinity)) -> + (is_integer(Timeout) orelse + (Timeout =:= infinity) orelse + (Timeout =:= nowait)) -> EFlags = enc_recv_flags(Flags), do_recvfrom(SockRef, BufSz, EFlags, Timeout). @@ -1907,6 +2131,11 @@ do_recvfrom(SockRef, BufSz, EFlags, Timeout) -> {ok, {_Source, _NewData}} = OK -> OK; + + {error, eagain} when (Timeout =:= nowait) -> + ?SELECT(recvfrom, RecvRef); + + {error, eagain} -> %% There is nothing just now, but we will be notified when there %% is something to read (a select message). @@ -1947,29 +2176,44 @@ recvmsg(Socket) -> Flags :: recv_flags(), MsgHdr :: msghdr(), Reason :: term() + ; (Socket, Timeout :: nowait) -> {ok, MsgHdr} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + MsgHdr :: msghdr(), + SelectInfo :: select_info(), + Reason :: term() ; (Socket, Timeout) -> {ok, MsgHdr} | {error, Reason} when - Socket :: socket(), - Timeout :: timeout(), - MsgHdr :: msghdr(), - Reason :: term(). + Socket :: socket(), + Timeout :: timeout(), + MsgHdr :: msghdr(), + Reason :: term(). recvmsg(Socket, Flags) when is_list(Flags) -> recvmsg(Socket, 0, 0, Flags, ?SOCKET_RECV_TIMEOUT_DEFAULT); recvmsg(Socket, Timeout) -> recvmsg(Socket, 0, 0, ?SOCKET_RECV_FLAGS_DEFAULT, Timeout). --spec recvmsg(Socket, Flags, Timeout) -> {ok, MsgHdr} | {error, Reason} when - Socket :: socket(), - Flags :: recv_flags(), - Timeout :: timeout(), - MsgHdr :: msghdr(), - Reason :: term() +-spec recvmsg(Socket, Flags, nowait) -> {ok, MsgHdr} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + Flags :: recv_flags(), + MsgHdr :: msghdr(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, Flags, Timeout) -> {ok, MsgHdr} | {error, Reason} when + Socket :: socket(), + Flags :: recv_flags(), + Timeout :: timeout(), + MsgHdr :: msghdr(), + Reason :: term() ; (Socket, BufSz, CtrlSz) -> {ok, MsgHdr} | {error, Reason} when - Socket :: socket(), - BufSz :: non_neg_integer(), - CtrlSz :: non_neg_integer(), - MsgHdr :: msghdr(), - Reason :: term(). + Socket :: socket(), + BufSz :: non_neg_integer(), + CtrlSz :: non_neg_integer(), + MsgHdr :: msghdr(), + Reason :: term(). recvmsg(Socket, Flags, Timeout) when is_list(Flags) -> recvmsg(Socket, 0, 0, Flags, Timeout); @@ -1980,20 +2224,34 @@ recvmsg(Socket, BufSz, CtrlSz) when is_integer(BufSz) andalso is_integer(CtrlSz) -spec recvmsg(Socket, BufSz, CtrlSz, - Flags, Timeout) -> {ok, MsgHdr} | {error, Reason} when - Socket :: socket(), - BufSz :: non_neg_integer(), - CtrlSz :: non_neg_integer(), - Flags :: recv_flags(), - Timeout :: timeout(), - MsgHdr :: msghdr(), - Reason :: term(). + Flags, nowait) -> {ok, MsgHdr} | + {select, SelectInfo} | + {error, Reason} when + Socket :: socket(), + BufSz :: non_neg_integer(), + CtrlSz :: non_neg_integer(), + Flags :: recv_flags(), + MsgHdr :: msghdr(), + SelectInfo :: select_info(), + Reason :: term() + ; (Socket, + BufSz, CtrlSz, + Flags, Timeout) -> {ok, MsgHdr} | {error, Reason} when + Socket :: socket(), + BufSz :: non_neg_integer(), + CtrlSz :: non_neg_integer(), + Flags :: recv_flags(), + Timeout :: timeout(), + MsgHdr :: msghdr(), + Reason :: term(). recvmsg(#socket{ref = SockRef}, BufSz, CtrlSz, Flags, Timeout) when (is_integer(BufSz) andalso (BufSz >= 0)) andalso (is_integer(CtrlSz) andalso (CtrlSz >= 0)) andalso is_list(Flags) andalso - (is_integer(Timeout) orelse (Timeout =:= infinity)) -> + (is_integer(Timeout) orelse + (Timeout =:= infinity) orelse + (Timeout =:= nowait)) -> EFlags = enc_recv_flags(Flags), do_recvmsg(SockRef, BufSz, CtrlSz, EFlags, Timeout). @@ -2004,6 +2262,11 @@ do_recvmsg(SockRef, BufSz, CtrlSz, EFlags, Timeout) -> {ok, _MsgHdr} = OK -> OK; + + {error, eagain} when (Timeout =:= nowait) -> + ?SELECT(recvmsg, RecvRef); + + {error, eagain} -> %% There is nothing just now, but we will be notified when there %% is something to read (a select message). @@ -2339,6 +2602,25 @@ peername(#socket{ref = SockRef}) -> nif_peername(SockRef). +%% =========================================================================== +%% +%% cancel - cancel an operation resulting in a select +%% +%% A call to accept, recv/recvfrom/recvmsg and send/sendto/sendmsg +%% can result in a select if they are called with the Timeout argument +%% set to nowait. This is indicated by the return of the select-info. +%% Such a operation can be cancelled by calling this function. +%% + +-spec cancel(Socket, SelectInfo) -> ok | {error, Reason} when + Socket :: socket(), + SelectInfo :: select_info(), + Reason :: term(). + +cancel(#socket{ref = SockRef}, #select_info{tag = Tag, ref = Ref}) -> + cancel(SockRef, Tag, Ref). + + %% =========================================================================== %% @@ -3462,15 +3744,18 @@ flush_select_msgs(SockRef, Ref) -> %% A timestamp in ms +timestamp(nowait = T) -> + T; timestamp(infinity) -> undefined; timestamp(_) -> timestamp(). timestamp() -> - {A,B,C} = os:timestamp(), - A*1000000000+B*1000+(C div 1000). + erlang:monotonic_time(milli_seconds). +next_timeout(_, nowait = Timeout) -> + Timeout; next_timeout(_, infinity = Timeout) -> Timeout; next_timeout(TS, Timeout) -> |