diff options
Diffstat (limited to 'lib/inets/doc/src/httpc.xml')
| -rw-r--r-- | lib/inets/doc/src/httpc.xml | 178 |
1 files changed, 115 insertions, 63 deletions
diff --git a/lib/inets/doc/src/httpc.xml b/lib/inets/doc/src/httpc.xml index 70c845bade..741f2abaef 100644 --- a/lib/inets/doc/src/httpc.xml +++ b/lib/inets/doc/src/httpc.xml @@ -43,8 +43,12 @@ cookies and other options that can be applied to more than one request. </p> - <p>If the scheme - https is used the ssl application needs to be started.</p> + <p>If the scheme https is used the ssl application needs to be + started. When https links needs to go through a proxy the + CONNECT method extension to HTTP-1.1 is used to establish a + tunnel and then the connection is upgraded to TLS, + however "TLS upgrade" according to RFC 2817 is not + supported.</p> <p>Also note that pipelining will only be used if the pipeline timeout is set, otherwise persistent connections without @@ -449,7 +453,8 @@ apply(Module, Function, [ReplyInfo | Args]) <type> <v>Options = [Option]</v> <v>Option = {proxy, {Proxy, NoProxy}} | - {max_sessions, MaxSessions} | + {https_proxy, {Proxy, NoProxy}} | + {max_sessions, MaxSessions} | {max_keep_alive_length, MaxKeepAlive} | {keep_alive_timeout, KeepAliveTimeout} | {max_pipeline_length, MaxPipeline} | @@ -460,86 +465,94 @@ apply(Module, Function, [ReplyInfo | Args]) {port, Port} | {socket_opts, socket_opts()} | {verbose, VerboseMode} </v> + <v>Proxy = {Hostname, Port}</v> <v>Hostname = string() </v> <d>ex: "localhost" or "foo.bar.se"</d> <v>Port = integer()</v> <d>ex: 8080 </d> - <v>socket_opts() = [socket_opt()]</v> - <d>The options are appended to the socket options used by the - client. </d> - <d>These are the default values when a new request handler - is started (for the initial connect). They are passed directly - to the underlying transport (gen_tcp or ssl) <em>without</em> - verification! </d> <v>NoProxy = [NoProxyDesc]</v> <v>NoProxyDesc = DomainDesc | HostName | IPDesc</v> <v>DomainDesc = "*.Domain"</v> <d>ex: "*.ericsson.se"</d> <v>IpDesc = string()</v> <d>ex: "134.138" or "[FEDC:BA98" (all IP-addresses starting with 134.138 or FEDC:BA98), "66.35.250.150" or "[2010:836B:4179::836B:4179]" (a complete IP-address).</d> - <v>MaxSessions = integer() </v> + + <d>proxy defaults to {undefined, []} e.i. no proxy is configured and https_proxy defaults to + the value of proxy.</d> + + <v>MaxSessions = integer() </v> <d>Default is <c>2</c>. - Maximum number of persistent connections to a host.</d> + Maximum number of persistent connections to a host.</d> <v>MaxKeepAlive = integer() </v> - <d>Default is <c>5</c>. - Maximum number of outstanding requests on the same connection to - a host.</d> - <v>KeepAliveTimeout = integer() </v> - <d>Default is <c>120000</c> (= 2 min). - If a persistent connection is idle longer than the - <c>keep_alive_timeout</c> the client will close the connection. - The server may also have such a time out but you should - not count on it!</d> + <d>Default is <c>5</c>. + Maximum number of outstanding requests on the same connection to + a host.</d> + <v>KeepAliveTimeout = integer() </v> + <d>Default is <c>120000</c> (= 2 min). + If a persistent connection is idle longer than the + <c>keep_alive_timeout</c> in milliseconds, + the client will close the connection. + The server may also have such a time out but you should + not count on it!</d> <v>MaxPipeline = integer() </v> - <d>Default is <c>2</c>. - Maximum number of outstanding requests on a pipelined connection to a host.</d> - <v>PipelineTimeout = integer() </v> - <d>Default is <c>0</c>, - which will result in pipelining not being used. - If a persistent connection is idle longer than the - <c>pipeline_timeout</c> the client will close the connection. </d> + <d>Default is <c>2</c>. + Maximum number of outstanding requests on a pipelined connection + to a host.</d> + <v>PipelineTimeout = integer() </v> + <d>Default is <c>0</c>, + which will result in pipelining not being used. + If a persistent connection is idle longer than the + <c>pipeline_timeout</c> in milliseconds, + the client will close the connection. </d> <v>CookieMode = enabled | disabled | verify </v> <d>Default is <c>disabled</c>. - If Cookies are enabled all valid cookies will automatically be - saved in the client manager's cookie database. - If the option <c>verify</c> is used the function <c>store_cookies/2</c> - has to be called for the cookies to be saved.</d> - <v>IpFamily = inet | inet6 | inet6fb4 </v> - <d>By default <c>inet</c>. - When it is set to <c>inet6fb4</c> you can use both ipv4 and ipv6. - It first tries <c>inet6</c> and if that does not works falls back to <c>inet</c>. - The option is here to provide a workaround for buggy ipv6 stacks to ensure that - ipv4 will always work.</d> + If Cookies are enabled all valid cookies will automatically be + saved in the client manager's cookie database. + If the option <c>verify</c> is used the function <c>store_cookies/2</c> + has to be called for the cookies to be saved.</d> + <v>IpFamily = inet | inet6 | inet6fb4 </v> + <d>By default <c>inet</c>. + When it is set to <c>inet6fb4</c> you can use both ipv4 and ipv6. + It first tries <c>inet6</c> and if that does not works falls back to <c>inet</c>. + The option is here to provide a workaround for buggy ipv6 stacks to ensure that + ipv4 will always work.</d> <v>IpAddress = ip_address() </v> - <d>If the host has several network interfaces, this option specifies which one to use. - See <seealso marker="kernel:gen_tcp#connect">gen_tcp:connect/3,4</seealso> for more info. </d> + <d>If the host has several network interfaces, this option specifies which one to use. + See <seealso marker="kernel:gen_tcp#connect">gen_tcp:connect/3,4</seealso> for more info. </d> <v>Port = integer() </v> - <d>Specify which local port number to use. - See <seealso marker="kernel:gen_tcp#connect">gen_tcp:connect/3,4</seealso> for more info. </d> - <v>VerboseMode = false | verbose | debug | trace </v> - <d>Default is <c>false</c>. - This option is used to switch on (or off) - different levels of erlang trace on the client. - It is a debug feature.</d> + <d>Specify which local port number to use. + See <seealso marker="kernel:gen_tcp#connect">gen_tcp:connect/3,4</seealso> for more info. </d> + <v>socket_opts() = [socket_opt()]</v> + <d>The options are appended to the socket options used by the + client. </d> + <d>These are the default values when a new request handler + is started (for the initial connect). They are passed directly + to the underlying transport (gen_tcp or ssl) <em>without</em> + verification! </d> + <v>VerboseMode = false | verbose | debug | trace </v> + <d>Default is <c>false</c>. + This option is used to switch on (or off) + different levels of erlang trace on the client. + It is a debug feature.</d> <v>Profile = profile() | pid() (when started <c>stand_alone</c>)</v> </type> <desc> - <p>Sets options to be used for subsequent requests.</p> - <note> - <p>If possible the client will keep its connections - alive and use persistent connections - with or without pipeline depending on configuration - and current circumstances. The HTTP/1.1 specification does not - provide a guideline for how many requests would be - ideal to be sent on a persistent connection, - this very much depends on the - application. Note that a very long queue of requests may cause a - user perceived delay as earlier requests may take a long time - to complete. The HTTP/1.1 specification does suggest a - limit of 2 persistent connections per server, which is the - default value of the <c>max_sessions</c> option. </p> - </note> + <p>Sets options to be used for subsequent requests.</p> + <note> + <p>If possible the client will keep its connections + alive and use persistent connections + with or without pipeline depending on configuration + and current circumstances. The HTTP/1.1 specification does not + provide a guideline for how many requests would be + ideal to be sent on a persistent connection, + this very much depends on the + application. Note that a very long queue of requests may cause a + user perceived delay as earlier requests may take a long time + to complete. The HTTP/1.1 specification does suggest a + limit of 2 persistent connections per server, which is the + default value of the <c>max_sessions</c> option. </p> + </note> <marker id="get_options"></marker> </desc> @@ -551,7 +564,8 @@ apply(Module, Function, [ReplyInfo | Args]) <fsummary>Gets the currently used options.</fsummary> <type> <v>OptionItems = all | [option_item()]</v> - <v>option_item() = proxy | + <v>option_item() = proxy | + https_proxy max_sessions | keep_alive_timeout | max_keep_alive_length | @@ -648,6 +662,8 @@ apply(Module, Function, [ReplyInfo | Args]) <p>Resets (clears) the cookie database for the specified <c>Profile</c>. If no profile is specified the default profile will be used. </p> + + <marker id="which_cookies"></marker> </desc> </func> @@ -667,6 +683,42 @@ apply(Module, Function, [ReplyInfo | Args]) <p>This function produces a list of the entire cookie database. It is intended for debugging/testing purposes. If no profile is specified the default profile will be used. </p> + + <marker id="which_sessions"></marker> + </desc> + </func> + + <func> + <name>which_sessions() -> session_info()</name> + <name>which_sessions(Profile) -> session_info()</name> + <fsummary>Produces a slightly processed dump of the sessions database.</fsummary> + <type> + <v>Profile = profile() | pid() (when started <c>stand_alone</c>)</v> + <v>session_info() = {GoodSessions, BadSessions, NonSessions}</v> + <v>GoodSessions = session()</v> + <v>BadSessions = tuple()</v> + <v>NonSessions = term()</v> + </type> + <desc> + <p>This function produces a slightly processed dump of the session + database. It is intended for debugging. + If no profile is specified the default profile will be used. </p> + + <marker id="info"></marker> + </desc> + </func> + + <func> + <name>info() -> list()</name> + <name>info(Profile) -> list()</name> + <fsummary>Produces a list of miscelleneous info</fsummary> + <type> + <v>Profile = profile() | pid() (when started <c>stand_alone</c>)</v> + </type> + <desc> + <p>This function produces a list of miscelleneous info. + It is intended for debugging. + If no profile is specified the default profile will be used. </p> </desc> </func> </funcs> |