diff options
Diffstat (limited to 'docs/en')
-rw-r--r-- | docs/en/cowboy/2.0/guide/specs.asciidoc | 2 | ||||
-rw-r--r-- | docs/en/cowboy/2.0/guide/specs/index.html | 10 | ||||
-rw-r--r-- | docs/en/cowboy/2.0/guide/ws_handlers.asciidoc | 2 | ||||
-rw-r--r-- | docs/en/cowboy/2.0/guide/ws_handlers/index.html | 2 | ||||
-rw-r--r-- | docs/en/cowboy/2.0/manual/cowboy_app/index.html | 6 | ||||
-rw-r--r-- | docs/en/cowboy/2.0/manual/cowboy_stream/index.html | 542 | ||||
-rw-r--r-- | docs/en/cowboy/2.0/manual/index.html | 6 |
7 files changed, 566 insertions, 4 deletions
diff --git a/docs/en/cowboy/2.0/guide/specs.asciidoc b/docs/en/cowboy/2.0/guide/specs.asciidoc index 78db4b18..4a9af9e8 100644 --- a/docs/en/cowboy/2.0/guide/specs.asciidoc +++ b/docs/en/cowboy/2.0/guide/specs.asciidoc @@ -170,6 +170,7 @@ for or related to HTTP. * https://tools.ietf.org/html/rfc6764[RFC 6764]: Locating Services for Calendaring Extensions to WebDAV (CalDAV) and vCard Extensions to WebDAV (CardDAV) * https://tools.ietf.org/html/rfc7809[RFC 7809]: Calendaring Extensions to WebDAV (CalDAV): Time Zones by Reference * https://tools.ietf.org/html/rfc7953[RFC 7953]: Calendar Availability +* https://tools.ietf.org/html/rfc8144[RFC 8144]: Use of the Prefer Header Field in WebDAV === CoAP @@ -180,3 +181,4 @@ for or related to HTTP. * https://tools.ietf.org/html/rfc7959[RFC 7959]: Block-Wise Transfers in CoAP * https://tools.ietf.org/html/rfc7967[RFC 7967]: CoAP Option for No Server Response * https://tools.ietf.org/html/rfc8075[RFC 8075]: Guidelines for Mapping Implementations: HTTP to CoAP +* https://tools.ietf.org/html/rfc8132[RFC 8132]: PATCH and FETCH Methods for CoAP diff --git a/docs/en/cowboy/2.0/guide/specs/index.html b/docs/en/cowboy/2.0/guide/specs/index.html index f7abc6b5..cd3aecb6 100644 --- a/docs/en/cowboy/2.0/guide/specs/index.html +++ b/docs/en/cowboy/2.0/guide/specs/index.html @@ -827,6 +827,11 @@ for or related to HTTP.</p></div> <a href="https://tools.ietf.org/html/rfc7953">RFC 7953</a>: Calendar Availability
</p>
</li>
+<li>
+<p>
+<a href="https://tools.ietf.org/html/rfc8144">RFC 8144</a>: Use of the Prefer Header Field in WebDAV
+</p>
+</li>
</ul></div>
</div>
</div>
@@ -869,6 +874,11 @@ for or related to HTTP.</p></div> <a href="https://tools.ietf.org/html/rfc8075">RFC 8075</a>: Guidelines for Mapping Implementations: HTTP to CoAP
</p>
</li>
+<li>
+<p>
+<a href="https://tools.ietf.org/html/rfc8132">RFC 8132</a>: PATCH and FETCH Methods for CoAP
+</p>
+</li>
</ul></div>
</div>
</div>
diff --git a/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc b/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc index 2c38b87b..61a523b0 100644 --- a/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc +++ b/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc @@ -220,7 +220,7 @@ init(Req, State) -> ---- This value cannot be changed once it is set. It defaults to -`infinity`. +`60000`. // @todo Perhaps the default should be changed. diff --git a/docs/en/cowboy/2.0/guide/ws_handlers/index.html b/docs/en/cowboy/2.0/guide/ws_handlers/index.html index f6175498..9385f66c 100644 --- a/docs/en/cowboy/2.0/guide/ws_handlers/index.html +++ b/docs/en/cowboy/2.0/guide/ws_handlers/index.html @@ -285,7 +285,7 @@ http://www.gnu.org/software/src-highlite --> {<span style="color: #FF6600">cowboy_websocket</span>, <span style="color: #009900">Req</span>, <span style="color: #009900">State</span>, #{
<span style="color: #0000FF">idle_timeout</span> <span style="color: #990000">=></span> <span style="color: #993399">30000</span>}}<span style="color: #990000">.</span></tt></pre></div></div>
<div class="paragraph"><p>This value cannot be changed once it is set. It defaults to
-<code>infinity</code>.</p></div>
+<code>60000</code>.</p></div>
</div>
</div>
<div class="sect1">
diff --git a/docs/en/cowboy/2.0/manual/cowboy_app/index.html b/docs/en/cowboy/2.0/manual/cowboy_app/index.html index fda9b297..56898b78 100644 --- a/docs/en/cowboy/2.0/manual/cowboy_app/index.html +++ b/docs/en/cowboy/2.0/manual/cowboy_app/index.html @@ -152,7 +152,11 @@ related standards, like Websocket or Server-Sent Events.</p></div> <li>
<p>
<a href="../cowboy_rest">cowboy_rest(3)</a> - REST handlers
-
+</p>
+</li>
+<li>
+<p>
+<a href="../cowboy_stream">cowboy_stream(3)</a> - Stream handlers
</p>
</li>
<li>
diff --git a/docs/en/cowboy/2.0/manual/cowboy_stream/index.html b/docs/en/cowboy/2.0/manual/cowboy_stream/index.html new file mode 100644 index 00000000..039a3d60 --- /dev/null +++ b/docs/en/cowboy/2.0/manual/cowboy_stream/index.html @@ -0,0 +1,542 @@ +<!DOCTYPE html> +<html lang="en"> + +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + <meta name="description" content=""> + <meta name="author" content="Loïc Hoguin based on a design from (Soft10) Pol Cámara"> + + <meta name="generator" content="Hugo 0.17" /> + + <title>Nine Nines: cowboy_stream(3)</title> + + <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'> + + <link href="/css/bootstrap.min.css" rel="stylesheet"> + <link href="/css/99s.css" rel="stylesheet"> + + <link rel="shortcut icon" href="/img/ico/favicon.ico"> + <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png"> + <link rel="apple-touch-icon-precomposed" sizes="72x72" href="/img/ico/apple-touch-icon-72.png"> + <link rel="apple-touch-icon-precomposed" href="/img/ico/apple-touch-icon-57.png"> + + +</head> + + +<body class=""> + <header id="page-head"> + <div id="topbar" class="container"> + <div class="row"> + <div class="span2"> + <h1 id="logo"><a href="/" title="99s">99s</a></h1> + </div> + <div class="span10"> + + <div id="side-header"> + <nav> + <ul> + <li><a title="Hear my thoughts" href="/articles">Articles</a></li> + <li><a title="Watch my talks" href="/talks">Talks</a></li> + <li class="active"><a title="Read the docs" href="/docs">Documentation</a></li> + <li><a title="Request my services" href="/services">Consulting & Training</a></li> + </ul> + </nav> + <ul id="social"> + <li> + <a href="https://github.com/ninenines" title="Check my Github repositories"><img src="/img/ico_github.png" data-hover="/img/ico_github_alt.png" alt="Github"></a> + </li> + <li> + <a title="Keep in touch!" href="http://twitter.com/lhoguin"><img src="/img/ico_microblog.png" data-hover="/img/ico_microblog_alt.png"></a> + </li> + <li> + <a title="Contact me" href="mailto:[email protected]"><img src="/img/ico_mail.png" data-hover="/img/ico_mail_alt.png"></a> + </li> + </ul> + </div> + </div> + </div> + </div> + + +</header> + +<div id="contents" class="two_col"> +<div class="container"> +<div class="row"> +<div id="docs" class="span9 maincol"> + +<h1 class="lined-header"><span>cowboy_stream(3)</span></h1> + +<div class="sect1">
+<h2 id="_name">Name</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>cowboy_handler - Stream handlers</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_description">Description</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>The module <code>cowboy_stream</code> defines a callback interface
+and a protocol for handling HTTP streams.</p></div>
+<div class="paragraph"><p>An HTTP request and its associated response is called
+a stream. A connection may have many streams. In HTTP/1.1
+they are executed sequentially, while in HTTP/2 they are
+executed concurrently.</p></div>
+<div class="paragraph"><p>Cowboy calls the stream handler for nearly all events
+related to a stream. Exceptions vary depending on the
+protocol.</p></div>
+<div class="paragraph"><p>Extra care must be taken when implementing stream handlers
+to ensure compatibility. While some modification of the
+events and commands is allowed, it is generally not a good
+idea to completely omit them.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_callbacks">Callbacks</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Stream handlers must implement the following interface:</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">init</span></span>(<span style="color: #009900">StreamID</span>, <span style="color: #009900">Req</span>, <span style="color: #009900">Opts</span>) <span style="color: #990000">-></span> {<span style="color: #009900">Commands</span>, <span style="color: #009900">State</span>}
+<span style="font-weight: bold"><span style="color: #000000">data</span></span>(<span style="color: #009900">StreamID</span>, <span style="color: #009900">IsFin</span>, <span style="color: #009900">Data</span>, <span style="color: #009900">State</span>) <span style="color: #990000">-></span> {<span style="color: #009900">Commands</span>, <span style="color: #009900">State</span>}
+<span style="font-weight: bold"><span style="color: #000000">info</span></span>(<span style="color: #009900">StreamID</span>, <span style="color: #009900">Info</span>, <span style="color: #009900">State</span>) <span style="color: #990000">-></span> {<span style="color: #009900">Commands</span>, <span style="color: #009900">State</span>}
+<span style="font-weight: bold"><span style="color: #000000">terminate</span></span>(<span style="color: #009900">StreamID</span>, <span style="color: #009900">Reason</span>, <span style="color: #009900">State</span>) <span style="color: #990000">-></span> <span style="font-weight: bold"><span style="color: #000000">any</span></span>()
+<span style="font-weight: bold"><span style="color: #000000">early_error</span></span>(<span style="color: #009900">StreamID</span>, <span style="color: #009900">Reason</span>, <span style="color: #009900">PartialReq</span>, <span style="color: #009900">Resp</span>, <span style="color: #009900">Opts</span>) <span style="color: #990000">-></span> <span style="color: #009900">Resp</span>
+
+<span style="color: #009900">StreamID</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_stream:streamid</span></span>()
+<span style="color: #009900">Req</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:req</span></span>()
+<span style="color: #009900">Opts</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy:opts</span></span>()
+<span style="color: #009900">Commands</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_stream:commands</span></span>()
+<span style="color: #009900">State</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">any</span></span>()
+<span style="color: #009900">IsFin</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_stream:fin</span></span>()
+<span style="color: #009900">Data</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>()
+<span style="color: #009900">Info</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">any</span></span>()
+<span style="color: #009900">Reason</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_stream:reason</span></span>()
+<span style="color: #009900">PartialReq</span> <span style="color: #990000">-</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:req</span></span>(), <span style="color: #FF6600">except</span> <span style="color: #FF6600">all</span> <span style="color: #FF6600">fields</span> <span style="color: #FF6600">are</span> <span style="color: #FF6600">optional</span>
+<span style="color: #009900">Resp</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_stream:resp_command</span></span>()</tt></pre></div></div>
+<div class="paragraph"><p>HTTP/1.1 will initialize a stream only when the request-line
+and all headers have been received. When errors occur before
+that point Cowboy will call the callback <code>early_error/5</code>
+with a partial request, the error reason and the response
+Cowboy intends to send. All other events go throuh the
+stream handler using the normal callbacks.</p></div>
+<div class="paragraph"><p>HTTP/2 will initialize the stream when the <code>HEADERS</code> block has
+been fully received and decoded. Any protocol error occuring
+before that will not result in a response being sent and
+will therefore not go through the stream handler. In addition
+Cowboy may terminate streams without sending an HTTP response
+back.</p></div>
+<div class="paragraph"><p>The stream is initialized by calling <code>init/3</code>. All streams
+that are initialized will eventually be terminated by calling
+<code>terminate/3</code>.</p></div>
+<div class="paragraph"><p>When Cowboy receives data for the stream it will call <code>data/4</code>.
+The data given is the request body after any transfer decoding
+has been applied.</p></div>
+<div class="paragraph"><p>When Cowboy receives a message addressed to a stream, or when
+Cowboy needs to inform the stream handler that an internal
+event has occurred, it will call <code>info/3</code>.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="commands">Commands</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Stream handlers can return a list of commands to be executed
+from the <code>init/3</code>, <code>data/4</code> and <code>info/3</code> callbacks. In addition,
+the <code>early_error/5</code> callback must return a response command.</p></div>
+<div class="paragraph"><p>The following commands are defined:</p></div>
+<div class="sect2">
+<h3 id="response_command">response</h3>
+<div class="paragraph"><p>Send a response to the client.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">response</span>, <span style="font-weight: bold"><span style="color: #000000">cowboy:http_status</span></span>(), <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>(),
+ <span style="font-weight: bold"><span style="color: #000000">cowboy_req:resp_body</span></span>()}</tt></pre></div></div>
+<div class="paragraph"><p>No more data can be sent after this command.</p></div>
+</div>
+<div class="sect2">
+<h3 id="headers_command">headers</h3>
+<div class="paragraph"><p>Initiate a response to the client.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">headers</span>, <span style="font-weight: bold"><span style="color: #000000">cowboy:http_status</span></span>(), <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>()}</tt></pre></div></div>
+<div class="paragraph"><p>This initiates a response to the client. The stream
+will end when a data command with the <code>fin</code> flag is
+returned.</p></div>
+</div>
+<div class="sect2">
+<h3 id="data_command">data</h3>
+<div class="paragraph"><p>Send data to the client.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">data</span>, <span style="font-weight: bold"><span style="color: #000000">fin</span></span>(), <span style="font-weight: bold"><span style="color: #000000">iodata</span></span>()}</tt></pre></div></div>
+</div>
+<div class="sect2">
+<h3 id="push_command">push</h3>
+<div class="paragraph"><p>Push a resource to the client.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">push</span>, <span style="color: #009900">Method</span>, <span style="color: #009900">Scheme</span>, <span style="color: #009900">Host</span>, <span style="font-weight: bold"><span style="color: #000000">inet:port_number</span></span>(),
+ <span style="color: #009900">Path</span>, <span style="color: #009900">Qs</span>, <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>()}
+
+<span style="color: #009900">Method</span> <span style="color: #990000">=</span> <span style="color: #009900">Scheme</span> <span style="color: #990000">=</span> <span style="color: #009900">Host</span> <span style="color: #990000">=</span> <span style="color: #009900">Path</span> <span style="color: #990000">=</span> <span style="color: #009900">Qs</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>()</tt></pre></div></div>
+<div class="paragraph"><p>The command will be ignored if the protocol does not provide
+any server push mechanism.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_flow">flow</h3>
+<div class="paragraph"><p>TODO</p></div>
+</div>
+<div class="sect2">
+<h3 id="_spawn">spawn</h3>
+<div class="paragraph"><p>Inform Cowboy that a process was spawned and should be
+supervised.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="font-weight: bold"><span style="color: #000080">spawn</span></span>, <span style="font-weight: bold"><span style="color: #000080">pid</span></span>(), <span style="font-weight: bold"><span style="color: #000000">timeout</span></span>()}</tt></pre></div></div>
+</div>
+<div class="sect2">
+<h3 id="_error_response">error_response</h3>
+<div class="paragraph"><p>Send an error response if no response was sent previously.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">error_response</span>, <span style="font-weight: bold"><span style="color: #000000">cowboy:http_status</span></span>(), <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>(), <span style="font-weight: bold"><span style="color: #000000">iodata</span></span>()}</tt></pre></div></div>
+</div>
+<div class="sect2">
+<h3 id="switch_protocol_command">switch_protocol</h3>
+<div class="paragraph"><p>Switch to a different protocol.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">switch_protocol</span>, <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>(), <span style="font-weight: bold"><span style="color: #000000">module</span></span>(), <span style="font-weight: bold"><span style="color: #000000">state</span></span>()}</tt></pre></div></div>
+<div class="paragraph"><p>Contains the headers that will be sent in the 101 response,
+along with the module implementing the protocol we are
+switching to and its initial state.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_stop">stop</h3>
+<div class="paragraph"><p>Stop the stream.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="color: #FF6600">stop</span></tt></pre></div></div>
+<div class="paragraph"><p>While no more data can be sent after the <code>fin</code> flag was set,
+the stream is still tracked by Cowboy until it is stopped by
+the handler.</p></div>
+<div class="paragraph"><p>The behavior when stopping a stream for which no response
+has been sent will vary depending on the protocol. The stream
+will end successfully as far as the client is concerned.</p></div>
+<div class="paragraph"><p>To indicate that an error occurred, either use <code>error_response</code>
+before stopping, or use <code>internal_error</code>.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_internal_error">internal_error</h3>
+<div class="paragraph"><p>Stop the stream with an error.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #FF6600">internal_error</span>, <span style="color: #009900">Reason</span>, <span style="color: #009900">HumanReadable</span>}
+
+<span style="color: #009900">Reason</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">any</span></span>()
+<span style="color: #009900">HumanReadable</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000080">atom</span></span>()</tt></pre></div></div>
+<div class="paragraph"><p>This command should be used when the stream cannot continue
+because of an internal error. An <code>error_response</code> command
+may be sent before that to advertise to the client why the
+stream is dropped.</p></div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_predefined_events">Predefined events</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Cowboy will forward all messages sent to the stream to
+the <code>info/3</code> callback. To send a message to a stream,
+send a message to the connection process with the form
+<code>{{Pid, StreamID}, Msg}</code>. The connection process will
+then forward <code>Msg</code> to the stream handlers.</p></div>
+<div class="paragraph"><p>Cowboy will also forward the exit signals for the
+processes that the stream spawned.</p></div>
+<div class="sect2">
+<h3 id="_exit">EXIT</h3>
+<div class="paragraph"><p>A process spawned by this stream has exited.</p></div>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt>{<span style="color: #000080">'EXIT'</span>, <span style="font-weight: bold"><span style="color: #000080">pid</span></span>(), <span style="font-weight: bold"><span style="color: #000000">any</span></span>()}</tt></pre></div></div>
+<div class="paragraph"><p>This is the raw exit message without any modification.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_response">response</h3>
+<div class="paragraph"><p>Same as the <a href="../response_command">response command</a>.</p></div>
+<div class="paragraph"><p>Usually sent when the request process replies to the client.
+May also be sent by Cowboy internally.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_headers">headers</h3>
+<div class="paragraph"><p>Same as the <a href="../headers_command">headers command</a>.</p></div>
+<div class="paragraph"><p>Sent when the request process starts replying to the client.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_data">data</h3>
+<div class="paragraph"><p>Same as the <a href="../data_command">data command</a>.</p></div>
+<div class="paragraph"><p>Sent when the request process streams data to the client.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_push">push</h3>
+<div class="paragraph"><p>Same as the <a href="../push_command">push command</a>.</p></div>
+<div class="paragraph"><p>Sent when the request process pushes a resource to the client.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_switch_protocol">switch_protocol</h3>
+<div class="paragraph"><p>Same as the <a href="../switch_protocol_command">switch_protocol command</a>.</p></div>
+<div class="paragraph"><p>Sent when switching to the HTTP/2 or Websocket protocol.</p></div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_exports">Exports</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>The following function should be called by modules implementing
+stream handlers to execute the next stream handler in the list:</p></div>
+<div class="ulist"><ul>
+<li>
+<p>
+<a href="../cowboy_stream.init">cowboy_stream:init(3)</a> - Initialize a stream
+</p>
+</li>
+<li>
+<p>
+<a href="../cowboy_stream.data">cowboy_stream:data(3)</a> - Handle data for a stream
+</p>
+</li>
+<li>
+<p>
+<a href="../cowboy_stream.info">cowboy_stream:info(3)</a> - Handle a message for a stream
+</p>
+</li>
+<li>
+<p>
+<a href="../cowboy_stream.terminate">cowboy_stream:terminate(3)</a> - Terminate a stream
+</p>
+</li>
+<li>
+<p>
+<a href="../cowboy_stream.early_error">cowboy_stream:early_error(3)</a> - Handle an early error for a stream
+</p>
+</li>
+</ul></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_types">Types</h2>
+<div class="sectionbody">
+<div class="sect2">
+<h3 id="_commands">commands()</h3>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">commands</span></span>() <span style="color: #990000">::</span> [<span style="color: #009900">Command</span>]</tt></pre></div></div>
+<div class="paragraph"><p>See the <a href="../commands">list of commands</a> for details.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_fin">fin()</h3>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">fin</span></span>() <span style="color: #990000">::</span> <span style="color: #FF6600">fin</span> | <span style="color: #FF6600">nofin</span></tt></pre></div></div>
+<div class="paragraph"><p>Used in commands and events to indicate that this is
+the end of the stream.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_partial_req">partial_req()</h3>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">req</span></span>() <span style="color: #990000">::</span> #{
+ <span style="color: #0000FF">method</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>(), <span style="font-style: italic"><span style="color: #9A1900">%% case sensitive</span></span>
+ <span style="color: #0000FF">version</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000000">cowboy:http_version</span></span>() | <span style="font-weight: bold"><span style="color: #000080">atom</span></span>(),
+ <span style="color: #0000FF">scheme</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>(), <span style="font-style: italic"><span style="color: #9A1900">%% lowercase; case insensitive</span></span>
+ <span style="color: #0000FF">host</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>(), <span style="font-style: italic"><span style="color: #9A1900">%% lowercase; case insensitive</span></span>
+ <span style="color: #0000FF">port</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000000">inet:port_number</span></span>(),
+ <span style="color: #0000FF">path</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>(), <span style="font-style: italic"><span style="color: #9A1900">%% case sensitive</span></span>
+ <span style="color: #0000FF">qs</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000080">binary</span></span>(), <span style="font-style: italic"><span style="color: #9A1900">%% case sensitive</span></span>
+ <span style="color: #0000FF">headers</span> <span style="color: #990000">=></span> <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>(),
+ <span style="color: #0000FF">peer</span> <span style="color: #990000">=></span> {<span style="font-weight: bold"><span style="color: #000000">inet:ip_address</span></span>(), <span style="font-weight: bold"><span style="color: #000000">inet:port_number</span></span>()}
+}</tt></pre></div></div>
+<div class="paragraph"><p>Partial request information received when an early error is
+detected.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_reason">reason()</h3>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">reason</span></span>() <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000080">normal</span></span>
+ | {<span style="color: #FF6600">internal_error</span>, <span style="color: #FF6600">timeout</span> | {<span style="color: #FF6600">error</span> | <span style="font-weight: bold"><span style="color: #000080">exit</span></span> | <span style="font-weight: bold"><span style="color: #000080">throw</span></span>, <span style="font-weight: bold"><span style="color: #000000">any</span></span>()}, <span style="color: #009900">HumanReadable</span>}
+ | {<span style="color: #FF6600">socket_error</span>, <span style="color: #FF6600">closed</span> | <span style="font-weight: bold"><span style="color: #000080">atom</span></span>(), <span style="color: #009900">HumanReadable</span>}
+ | {<span style="color: #FF6600">stream_error</span>, <span style="color: #009900">Error</span>, <span style="color: #009900">HumanReadable</span>}
+ | {<span style="color: #FF6600">connection_error</span>, <span style="color: #009900">Error</span>, <span style="color: #009900">HumanReadable</span>}
+ | {<span style="color: #FF6600">stop</span>, <span style="font-weight: bold"><span style="color: #000000">cow_http2:frame</span></span>(), <span style="color: #009900">HumanReadable</span>}
+
+<span style="color: #009900">Error</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000080">atom</span></span>()
+<span style="color: #009900">HumanReadable</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000080">atom</span></span>()</tt></pre></div></div>
+<div class="paragraph"><p>Reason for the stream termination.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_resp_command">resp_command()</h3>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">resp_command</span></span>() <span style="color: #990000">::</span> {<span style="color: #FF6600">response</span>, <span style="font-weight: bold"><span style="color: #000000">cowboy:http_status</span></span>(),
+ <span style="font-weight: bold"><span style="color: #000000">cowboy:http_headers</span></span>(), <span style="font-weight: bold"><span style="color: #000000">cowboy_req:resp_body</span></span>()}</tt></pre></div></div>
+<div class="paragraph"><p>See the <a href="../response_command">response command</a> for details.</p></div>
+</div>
+<div class="sect2">
+<h3 id="_streamid">streamid()</h3>
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">streamid</span></span>() <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">any</span></span>()</tt></pre></div></div>
+<div class="paragraph"><p>The identifier for this stream.</p></div>
+<div class="paragraph"><p>The identifier is unique over the connection process.
+It is possible to form a unique identifier node-wide and
+cluster-wide by wrapping it in a <code>{self(), StreamID}</code>
+tuple.</p></div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_changelog">Changelog</h2>
+<div class="sectionbody">
+<div class="ulist"><ul>
+<li>
+<p>
+<strong>2.0</strong>: Module introduced.
+</p>
+</li>
+</ul></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_see_also">See also</h2>
+<div class="sectionbody">
+<div class="paragraph"><p><a href="..">cowboy(7)</a>,
+<a href="../cowboy_http">cowboy_http(3)</a>,
+<a href="../cowboy_http2">cowboy_http2(3)</a></p></div>
+</div>
+</div>
+ + + + + +</div> + +<div class="span3 sidecol"> + + +<h3> + Cowboy + 2.0 + Function Reference + +</h3> + +<ul> + + <li><a href="/docs/en/cowboy/2.0/guide">User Guide</a></li> + + + <li><a href="/docs/en/cowboy/2.0/manual">Function Reference</a></li> + + +</ul> + +<h4 id="docs-nav">Navigation</h4> + +<h4>Version select</h4> +<ul> + + + + <li><a href="/docs/en/cowboy/2.0/manual">2.0</a></li> + + <li><a href="/docs/en/cowboy/1.0/manual">1.0</a></li> + +</ul> + +</div> +</div> +</div> +</div> + + <footer> + <div class="container"> + <div class="row"> + <div class="span6"> + <p id="scroll-top"><a href="#">↑ Scroll to top</a></p> + <nav> + <ul> + <li><a href="mailto:[email protected]" title="Contact us">Contact us</a></li><li><a href="https://github.com/ninenines/ninenines.github.io" title="Github repository">Contribute to this site</a></li> + </ul> + </nav> + </div> + <div class="span6 credits"> + <p><img src="/img/footer_logo.png"></p> + <p>Copyright © Loïc Hoguin 2012-2016</p> + </div> + </div> + </div> + </footer> + + + <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> + <script src="/js/bootstrap-carousel.js"></script> + <script src="/js/bootstrap-dropdown.js"></script> + <script src="/js/custom.js"></script> + </body> +</html> + + diff --git a/docs/en/cowboy/2.0/manual/index.html b/docs/en/cowboy/2.0/manual/index.html index ec47432c..3191493d 100644 --- a/docs/en/cowboy/2.0/manual/index.html +++ b/docs/en/cowboy/2.0/manual/index.html @@ -152,7 +152,11 @@ related standards, like Websocket or Server-Sent Events.</p></div> <li>
<p>
<a href="cowboy_rest">cowboy_rest(3)</a> - REST handlers
-
+</p>
+</li>
+<li>
+<p>
+<a href="cowboy_stream">cowboy_stream(3)</a> - Stream handlers
</p>
</li>
<li>
|