aboutsummaryrefslogtreecommitdiffstats
path: root/lib/inets/doc/src/httpc.xml
diff options
context:
space:
mode:
Diffstat (limited to 'lib/inets/doc/src/httpc.xml')
-rw-r--r--lib/inets/doc/src/httpc.xml222
1 files changed, 153 insertions, 69 deletions
diff --git a/lib/inets/doc/src/httpc.xml b/lib/inets/doc/src/httpc.xml
index d1671ac9bd..14ce3cbe7f 100644
--- a/lib/inets/doc/src/httpc.xml
+++ b/lib/inets/doc/src/httpc.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2004</year><year>2011</year>
+ <year>2004</year><year>2012</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -28,8 +28,10 @@
<date></date>
<rev></rev>
</header>
+
<module>httpc</module>
<modulesummary>An HTTP/1.1 client </modulesummary>
+
<description>
<p>This module provides the API to a HTTP/1.1 compatible client according
to RFC 2616, caching is currently not supported.</p>
@@ -167,7 +169,6 @@ filename() = string()
<v>http_option() = {timeout, timeout()} |
{connect_timeout, timeout()} |
{ssl, ssloptions()} |
- {ossl, ssloptions()} |
{essl, ssloptions()} |
{autoredirect, boolean()} |
{proxy_auth, {userstring(), passwordstring()}} |
@@ -177,13 +178,14 @@ filename() = string()
<v>timeout() = integer() >= 0 | infinity</v>
<v>Options = options()</v>
<v>options() = [option()]</v>
- <v>option() = {sync, boolean()} |
- {stream, stream_to()} |
- {body_format, body_format()} |
- {full_result, boolean()} |
- {headers_as_is, boolean() |
- {socket_opts, socket_opts()} |
- {receiver, receiver()}}</v>
+ <v>option() = {sync, boolean()} |
+ {stream, stream_to()} |
+ {body_format, body_format()} |
+ {full_result, boolean()} |
+ {headers_as_is, boolean() |
+ {socket_opts, socket_opts()} |
+ {receiver, receiver()},
+ {ipv6_host_with_brackets, boolean()}}</v>
<v>stream_to() = none | self | {self, once} | filename() </v>
<v>socket_opts() = [socket_opt()]</v>
<v>receiver() = pid() | function()/1 | {Module, Function, Args} </v>
@@ -206,6 +208,7 @@ filename() = string()
to the <c>receiver</c> depending on that value. </p>
<p>Http option (<c>http_option()</c>) details: </p>
+ <marker id="request2_http_options"></marker>
<taglist>
<tag><c><![CDATA[timeout]]></c></tag>
<item>
@@ -231,16 +234,9 @@ filename() = string()
<p>Defaults to <c>[]</c>. </p>
</item>
- <tag><c><![CDATA[ossl]]></c></tag>
- <item>
- <p>If using the OpenSSL based (old) implementation of SSL,
- these SSL-specific options are used. </p>
- <p>Defaults to <c>[]</c>. </p>
- </item>
-
<tag><c><![CDATA[essl]]></c></tag>
<item>
- <p>If using the Erlang based (new) implementation of SSL,
+ <p>If using the Erlang based implementation of SSL,
these SSL-specific options are used. </p>
<p>Defaults to <c>[]</c>. </p>
</item>
@@ -412,7 +408,18 @@ apply(Module, Function, [ReplyInfo | Args])
<p>Defaults to the <c>pid()</c> of the process calling the request
function (<c>self()</c>). </p>
+
+ <marker id="ipv6_host_with_brackets"></marker>
+ </item>
+
+ <tag><c><![CDATA[ipv6_host_with_brackets]]></c></tag>
+ <item>
+ <p>When parsing the Host-Port part of an URI with a IPv6 address
+ with brackets, shall we retain those brackets (<c>true</c>) or
+ strip them (<c>false</c>). </p>
+ <p>Defaults to <c>false</c>. </p>
</item>
+
</taglist>
<marker id="cancel_request"></marker>
@@ -473,66 +480,98 @@ apply(Module, Function, [ReplyInfo | Args])
<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>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>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>
+
+ <marker id="get_options"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>get_options(OptionItems) -> {ok, Values} | {error, Reason}</name>
+ <name>get_options(OptionItems, Profile) -> {ok, Values} | {error, Reason}</name>
+ <fsummary>Gets the currently used options.</fsummary>
+ <type>
+ <v>OptionItems = all | [option_item()]</v>
+ <v>option_item() = proxy |
+ max_sessions |
+ keep_alive_timeout |
+ max_keep_alive_length |
+ pipeline_timeout |
+ max_pipeline_length |
+ cookies |
+ ipfamily |
+ ip |
+ port |
+ socket_opts |
+ verbose</v>
<v>Profile = profile() | pid() (when started <c>stand_alone</c>)</v>
+ <v>Values = [{option_item(), term()}]</v>
+ <v>Reason = term() </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>Retrieves the options currently used by the client.</p>
<marker id="stream_next"></marker>
</desc>
@@ -577,17 +616,24 @@ apply(Module, Function, [ReplyInfo | Args])
<func>
<name>cookie_header(Url) -> </name>
- <name>cookie_header(Url, Profile) -> header() | {error, Reason}</name>
+ <name>cookie_header(Url, Profile | Opts) -> header() | {error, Reason}</name>
+ <name>cookie_header(Url, Opts, Profile) -> header() | {error, Reason}</name>
<fsummary>Returns the cookie header that would be sent when
making a request to Url using the profile <c>Profile</c>.</fsummary>
<type>
<v>Url = url()</v>
+ <v>Opts = [cookie_header_opt()]</v>
<v>Profile = profile() | pid() (when started <c>stand_alone</c>)</v>
+ <v>cookie_header_opt() = {ipv6_host_with_brackets, boolean()}</v>
</type>
<desc>
<p>Returns the cookie header that would be sent
when making a request to <c>Url</c> using the profile <c>Profile</c>.
If no profile is specified the default profile will be used. </p>
+ <p>The option <c>ipv6_host_with_bracket</c> deals with how to
+ parse IPv6 addresses.
+ See the <c>Options</c> argument of the
+ <seealso marker="#request2">request/4,5</seealso> for more info. </p>
<marker id="reset_cookies"></marker>
</desc>
@@ -605,6 +651,8 @@ 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>
@@ -624,6 +672,42 @@ 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>