diff options
Diffstat (limited to 'lib/kernel/doc/src/gen_sctp.xml')
| -rw-r--r-- | lib/kernel/doc/src/gen_sctp.xml | 225 |
1 files changed, 94 insertions, 131 deletions
diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml index 5ceb82ae41..688cd0f78f 100644 --- a/lib/kernel/doc/src/gen_sctp.xml +++ b/lib/kernel/doc/src/gen_sctp.xml @@ -47,8 +47,7 @@ SUSE Linux Enterprise Server 10 Service Pack 1 (x86_64) kernel 2.6.16.54-0.2.3-smp with lksctp-tools-1.0.7.</p> <p>Record definitions for the <c>gen_sctp</c> module can be found using:</p> - <pre> - -include_lib("kernel/include/inet_sctp.hrl"). </pre> +<pre> -include_lib("kernel/include/inet_sctp.hrl"). </pre> <p>These record definitions use the "new" spelling 'adaptation', not the deprecated 'adaption', regardless of which spelling the underlying C API uses.</p> @@ -63,14 +62,13 @@ <item><seealso marker="#options">SCTP SOCKET OPTIONS</seealso></item> <item><seealso marker="#examples">SCTP EXAMPLES</seealso></item> <item><seealso marker="#seealso">SEE ALSO</seealso></item> - <item><seealso marker="#authors">AUTHORS</seealso></item> </list> <marker id="types"></marker> </section> <datatypes> <datatype> - <name name="assoc_id"/> + <name><marker id="type-assoc_id">assoc_id()</marker></name> <desc> <p>An opaque term returned in for example #sctp_paddr_change{} that identifies an association for an SCTP socket. The term @@ -80,36 +78,18 @@ </desc> </datatype> <datatype> - <name name="hostname"/> - </datatype> - <datatype> - <name name="ip_address"/> - <desc> - <p>Represents an address of an SCTP socket. - It is a tuple as explained in - <seealso marker="inet">inet(3)</seealso>.</p> - </desc> - </datatype> - <datatype> - <name name="port_number"/> - </datatype> - <datatype> - <name name="posix"/> - <desc> - <p>See <seealso marker="inet#error_codes"> - inet(3); POSIX Error Codes</seealso>.</p> - </desc> - </datatype> - <datatype> - <name name="sctp_option"/> + <name name="option"/> <desc> <p>One of the <seealso marker="#options">SCTP Socket Options.</seealso></p> - <marker id="type-sctp_socket"></marker> </desc> </datatype> <datatype> - <name name="sctp_socket"/> + <name name="option_name"/> + <desc><marker id="type-sctp_socket"></marker></desc> + </datatype> + <datatype> + <name><marker id="type-sctp_socket">sctp_socket()</marker></name> <desc> <p>Socket identifier returned from <c>open/*</c>.</p> <marker id="exports"></marker> @@ -171,19 +151,17 @@ The result of <c>connect/*</c> is an <c>#sctp_assoc_change{}</c> event which contains, in particular, the new <seealso marker="#type-assoc_id">Association ID</seealso>.</p> - <pre> - #sctp_assoc_change{ +<pre> #sctp_assoc_change{ state = atom(), error = atom(), - outbound_streams = int(), - inbound_streams = int(), + outbound_streams = integer(), + inbound_streams = integer(), assoc_id = assoc_id() } </pre> <p>The number of outbound and inbound streams can be set by giving an <c>sctp_initmsg</c> option to <c>connect</c> as in:</p> - <pre> - connect(<anno>Socket</anno>, Ip, <anno>Port</anno>, +<pre> connect(<anno>Socket</anno>, Ip, <anno>Port</anno>, [{sctp_initmsg,#sctp_initmsg{num_ostreams=OutStreams, max_instreams=MaxInStreams}}]) </pre> <p>All options <c><anno>Opt</anno></c> are set on the socket before the @@ -300,6 +278,19 @@ The default <c><anno>IP</anno></c> and <c><anno>Port</anno></c> are <c>any</c> and <c>0</c>, meaning bind to all local addresses on any one free port.</p> + + <p>Other options are:</p> + <taglist> + <tag><c>inet6</c></tag> + <item> + <p>Set up the socket for IPv6.</p> + </item> + <tag><c>inet</c></tag> + <item> + <p>Set up the socket for IPv4. This is the default.</p> + </item> + </taglist> + <p>A default set of socket <seealso marker="#options">options</seealso> is used. In particular, the socket is opened in <seealso marker="#option-binary">binary</seealso> and @@ -346,11 +337,10 @@ <p><seealso marker="#record-sctp_assoc_change">#sctp_assoc_change{}</seealso>;</p> </item> <item> - <pre> - #sctp_paddr_change{ +<pre> #sctp_paddr_change{ addr = {ip_address(),port()}, state = atom(), - error = int(), + error = integer(), assoc_id = assoc_id() } </pre> <p>Indicates change of the status of the peer's IP address given by @@ -384,10 +374,9 @@ converted into a string using <c>error_string/1</c>.</p> </item> <item> - <pre> - #sctp_send_failed{ +<pre> #sctp_send_failed{ flags = true | false, - error = int(), + error = integer(), info = #sctp_sndrcvinfo{}, assoc_id = assoc_id() data = binary() @@ -405,9 +394,8 @@ returned by <c>recv/*</c>.</p> </item> <item> - <pre> - #sctp_adaptation_event{ - adaptation_ind = int(), +<pre> #sctp_adaptation_event{ + adaptation_ind = integer(), assoc_id = assoc_id() } </pre> <p>Delivered when a peer sends an Adaptation Layer Indication @@ -417,8 +405,7 @@ the Erlang/SCTP binding, this event is disabled by default.</p> </item> <item> - <pre> - #sctp_pdapi_event{ +<pre> #sctp_pdapi_event{ indication = sctp_partial_delivery_aborted, assoc_id = assoc_id() } </pre> @@ -475,7 +462,7 @@ <marker id="option-binary"></marker> <marker id="option-list"></marker> <taglist> - <tag><c>{mode, list|binary}</c>or just <c>list</c> or <c>binary</c>.</tag> + <tag><c>{mode, list|binary}</c> or just <c>list</c> or <c>binary</c></tag> <item> <p>Determines the type of data returned from <c>gen_sctp:recv/1,2</c>.</p> <marker id="option-active"></marker> @@ -505,7 +492,7 @@ </list> <marker id="option-buffer"></marker> </item> - <tag><c>{buffer, int()}</c></tag> + <tag><c>{buffer, integer()}</c></tag> <item> <p>Determines the size of the user-level software buffer used by the SCTP driver. Not to be confused with <c>sndbuf</c> @@ -515,7 +502,7 @@ In fact, the <c>val(buffer)</c> is automatically set to the above maximum when <c>sndbuf</c> or <c>recbuf</c> values are set.</p> </item> - <tag><c>{tos, int()}</c></tag> + <tag><c>{tos, integer()}</c></tag> <item> <p>Sets the Type-Of-Service field on the IP datagrams being sent, to the given value, which effectively determines a prioritization @@ -523,7 +510,7 @@ are system-dependent. TODO: we do not provide symbolic names for these values yet.</p> </item> - <tag><c>{priority, int()}</c></tag> + <tag><c>{priority, integer()}</c></tag> <item> <p>A protocol-independent equivalent of <c>tos</c> above. Setting priority implies setting tos as well.</p> @@ -542,7 +529,7 @@ required for high-throughput servers).</p> <marker id="option-linger"></marker> </item> - <tag><c>{linger, {true|false, int()}</c></tag> + <tag><c>{linger, {true|false, integer()}</c></tag> <item> <p>Determines the timeout in seconds for flushing unsent data in the <c>gen_sctp:close/1</c> socket call. If the 1st component of the value @@ -552,14 +539,14 @@ the flushing time-out in seconds.</p> <marker id="option-sndbuf"></marker> </item> - <tag><c>{sndbuf, int()}</c></tag> + <tag><c>{sndbuf, integer()}</c></tag> <item> <p>The size, in bytes, of the *kernel* send buffer for this socket. Sending errors would occur for datagrams larger than <c>val(sndbuf)</c>. Setting this option also adjusts the size of the driver buffer (see <c>buffer</c> above).</p> </item> - <tag><c>{recbuf, int()}</c></tag> + <tag><c>{recbuf, integer()}</c></tag> <item> <p>The size, in bytes, of the *kernel* recv buffer for this socket. Sending errors would occur for datagrams larger than @@ -568,12 +555,11 @@ </item> <tag><c>{sctp_rtoinfo, #sctp_rtoinfo{}}</c></tag> <item> - <pre> - #sctp_rtoinfo{ +<pre> #sctp_rtoinfo{ assoc_id = assoc_id(), - initial = int(), - max = int(), - min = int() + initial = integer(), + max = integer(), + min = integer() } </pre> <p>Determines re-transmission time-out parameters, in milliseconds, for the association(s) given by <c>assoc_id</c>. @@ -583,14 +569,13 @@ </item> <tag><c>{sctp_associnfo, #sctp_assocparams{}}</c></tag> <item> - <pre> - #sctp_assocparams{ +<pre> #sctp_assocparams{ assoc_id = assoc_id(), - asocmaxrxt = int(), - number_peer_destinations = int(), - peer_rwnd = int(), - local_rwnd = int(), - cookie_life = int() + asocmaxrxt = integer(), + number_peer_destinations = integer(), + peer_rwnd = integer(), + local_rwnd = integer(), + cookie_life = integer() } </pre> <p>Determines association parameters for the association(s) given by <c>assoc_id</c>. <c>assoc_id = 0</c> (default) indicates @@ -599,12 +584,11 @@ </item> <tag><c>{sctp_initmsg, #sctp_initmsg{}}</c></tag> <item> - <pre> - #sctp_initmsg{ - num_ostreams = int(), - max_instreams = int(), - max_attempts = int(), - max_init_timeo = int() +<pre> #sctp_initmsg{ + num_ostreams = integer(), + max_instreams = integer(), + max_attempts = integer(), + max_init_timeo = integer() } </pre> <p>Determines the default parameters which this socket attempts to negotiate with its peer while establishing an association with it. @@ -628,12 +612,12 @@ for establishing an association.</p> </item> </list> - <p></p> </item> - <tag><c>{sctp_autoclose, int()|infinity}</c></tag> + <tag><c>{sctp_autoclose, integer() >= 0}</c></tag> <item> <p>Determines the time (in seconds) after which an idle association is - automatically closed.</p> + automatically closed. <c>0</c> means that the association is + never automatically closed.</p> </item> <tag><c>{sctp_nodelay, true|false}</c></tag> <item> @@ -655,15 +639,14 @@ <p>Turns on|off automatic mapping of IPv4 addresses into IPv6 ones (if the socket address family is AF_INET6).</p> </item> - <tag><c>{sctp_maxseg, int()}</c></tag> + <tag><c>{sctp_maxseg, integer()}</c></tag> <item> <p>Determines the maximum chunk size if message fragmentation is used. If <c>0</c>, the chunk size is limited by the Path MTU only.</p> </item> <tag><c>{sctp_primary_addr, #sctp_prim{}}</c></tag> <item> - <pre> - #sctp_prim{ +<pre> #sctp_prim{ assoc_id = assoc_id(), addr = {IP, Port} } @@ -676,8 +659,7 @@ </item> <tag><c>{sctp_set_peer_primary_addr, #sctp_setpeerprim{}}</c></tag> <item> - <pre> - #sctp_setpeerprim{ +<pre> #sctp_setpeerprim{ assoc_id = assoc_id(), addr = {IP, Port} } @@ -691,9 +673,8 @@ <tag><c>{sctp_adaptation_layer, #sctp_setadaptation{}}</c></tag> <item> <marker id="record-sctp_setadaptation"></marker> - <pre> - #sctp_setadaptation{ - adaptation_ind = int() +<pre> #sctp_setadaptation{ + adaptation_ind = integer() } </pre> <p>When set, requests that the local endpoint uses the value given by <c>adaptation_ind</c> as the Adaptation Indication parameter for @@ -703,14 +684,13 @@ </item> <tag><c>{sctp_peer_addr_params, #sctp_paddrparams{}}</c></tag> <item> - <pre> - #sctp_paddrparams{ +<pre> #sctp_paddrparams{ assoc_id = assoc_id(), address = {IP, Port}, - hbinterval = int(), - pathmaxrxt = int(), - pathmtu = int(), - sackdelay = int(), + hbinterval = integer(), + pathmaxrxt = integer(), + pathmtu = integer(), + sackdelay = integer(), flags = list() } IP = ip_address() @@ -761,24 +741,21 @@ <p><c>sackdelay_disable</c>: disable SAC delay.</p> </item> </list> - <p></p> </item> </list> - <p></p> </item> <tag><c>{sctp_default_send_param, #sctp_sndrcvinfo{}}</c></tag> <item> <marker id="record-sctp_sndrcvinfo"></marker> - <pre> - #sctp_sndrcvinfo{ - stream = int(), - ssn = int(), +<pre> #sctp_sndrcvinfo{ + stream = integer(), + ssn = integer(), flags = list(), - ppid = int(), - context = int(), - timetolive = int(), - tsn = int(), - cumtsn = int(), + ppid = integer(), + context = integer(), + timetolive = integer(), + tsn = integer(), + cumtsn = integer(), assoc_id = assoc_id() } </pre> <p><c>#sctp_sndrcvinfo{}</c> is used both in this socket option, and as @@ -812,20 +789,17 @@ association, with flushing of unsent data.</p> </item> </list> - <p></p> <p>Other fields are rarely used. See <url href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC2960</url> and <url href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets API Extensions for SCTP</url> for full information.</p> </item> </list> - <p></p> <marker id="option-sctp_events"></marker> </item> <tag><c>{sctp_events, #sctp_event_subscribe{}}</c></tag> <item> <marker id="record-sctp_event_subscribe"></marker> - <pre> - #sctp_event_subscribe{ +<pre> #sctp_event_subscribe{ data_io_event = true | false, association_event = true | false, address_event = true | false, @@ -850,10 +824,9 @@ </item> <tag><c>{sctp_delayed_ack_time, #sctp_assoc_value{}}</c></tag> <item> - <pre> - #sctp_assoc_value{ +<pre> #sctp_assoc_value{ assoc_id = assoc_id(), - assoc_value = int() + assoc_value = integer() } </pre> <p>Rarely used. Determines the ACK time (given by <c>assoc_value</c> in milliseconds) for @@ -862,16 +835,15 @@ </item> <tag><c>{sctp_status, #sctp_status{}}</c></tag> <item> - <pre> - #sctp_status{ +<pre> #sctp_status{ assoc_id = assoc_id(), state = atom(), - rwnd = int(), - unackdata = int(), - penddata = int(), - instrms = int(), - outstrms = int(), - fragmentation_point = int(), + rwnd = integer(), + unackdata = integer(), + penddata = integer(), + instrms = integer(), + outstrms = integer(), + fragmentation_point = integer(), primary = #sctp_paddrinfo{} } </pre> <p>This option is read-only. It determines the status of @@ -935,21 +907,19 @@ address (see below for the format of <c>#sctp_paddrinfo{}</c>).</p> </item> </list> - <p></p> <marker id="option-sctp_get_peer_addr_info"></marker> </item> <tag><c>{sctp_get_peer_addr_info, #sctp_paddrinfo{}}</c></tag> <item> <marker id="record-sctp_paddrinfo"></marker> - <pre> - #sctp_paddrinfo{ +<pre> #sctp_paddrinfo{ assoc_id = assoc_id(), address = {IP, Port}, state = inactive | active, - cwnd = int(), - srtt = int(), - rto = int(), - mtu = int() + cwnd = integer(), + srtt = integer(), + rto = integer(), + mtu = integer() } IP = ip_address() Port = port_number() </pre> @@ -973,8 +943,7 @@ <item> <p>Example of an Erlang SCTP Server which receives SCTP messages and prints them on the standard output:</p> - <pre> - -module(sctp_server). +<pre> -module(sctp_server). -export([server/0,server/1,server/2]). -include_lib("kernel/include/inet.hrl"). @@ -990,7 +959,7 @@ server(IP, Port) when is_tuple(IP) orelse IP == any orelse IP == loopback, is_integer(Port) -> - {ok,S} = gen_sctp:open([{ip,IP},{port,Port}],[{recbuf,65536}]), + {ok,S} = gen_sctp:open(Port, [{recbuf,65536}, {ip,IP}]), io:format("Listening on ~w:~w. ~w~n", [IP,Port,S]), ok = gen_sctp:listen(S, true), server_loop(S). @@ -1003,7 +972,6 @@ io:format("Received: ~p~n", [Data]) end, server_loop(S). </pre> - <p></p> </item> <item> <p>Example of an Erlang SCTP Client which interacts with the above Server. @@ -1013,8 +981,7 @@ over Stream 5 fails. The client then <c>abort</c>s the association, which results in the corresponding Event being received on the Server side.</p> - <pre> - -module(sctp_client). +<pre> -module(sctp_client). -export([client/0, client/1, client/2]). -include_lib("kernel/include/inet.hrl"). @@ -1047,13 +1014,11 @@ timer:sleep(1000), gen_sctp:close(S). </pre> - <p></p> </item> <item> <p>A very simple Erlang SCTP Client which uses the connect_init API.</p> - <pre> --module(ex3). +<pre>-module(ex3). -export([client/4]). -include_lib("kernel/include/inet.hrl"). @@ -1106,7 +1071,6 @@ client_loop(S, Peer1, Port1, AssocId1, Peer2, Port2, AssocId2) -> ok end. </pre> - <p></p> </item> </list> </section> @@ -1119,7 +1083,6 @@ client_loop(S, Peer1, Port1, AssocId1, Peer2, Port2, AssocId2) -> <seealso marker="gen_udp">gen_udp(3)</seealso>, <url href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC2960</url> (Stream Control Transmission Protocol), <url href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets API Extensions for SCTP.</url></p> - <marker id="authors"></marker> </section> </erlref> |