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instiki/vendor/plugins/rack/doc/classes/Rack/Handler/SCGI.html
Jacques Distler 4e14ccc74d Instiki 0.16.3: Rails 2.3.0 
Instiki now runs on the Rails 2.3.0 Candidate Release.
Among other improvements, this means that it now 
automagically selects between WEBrick and Mongrel.

Just run

    ./instiki --daemon
2009-02-04 14:26:08 -06:00

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Class: Rack::Handler::SCGI</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" />
<script type="text/javascript">
// <![CDATA[
function popupCode( url ) {
window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400")
}
function toggleCode( id ) {
if ( document.getElementById )
elem = document.getElementById( id );
else if ( document.all )
elem = eval( "document.all." + id );
else
return false;
elemStyle = elem.style;
if ( elemStyle.display != "block" ) {
elemStyle.display = "block"
} else {
elemStyle.display = "none"
}
return true;
}
// Make codeblocks hidden by default
document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" )
// ]]>
</script>
</head>
<body>
<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Rack::Handler::SCGI</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../../files/lib/rack/handler/scgi_rb.html">
lib/rack/handler/scgi.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
::SCGI::Processor
</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000056">new</a>&nbsp;&nbsp;
<a href="#M000057">process_request</a>&nbsp;&nbsp;
<a href="#M000055">run</a>&nbsp;&nbsp;
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">app</td>
<td class="context-item-value">&nbsp;[RW]&nbsp;</td>
<td class="context-item-desc"></td>
</tr>
</table>
</div>
</div>
<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000056" class="method-detail">
<a name="M000056"></a>
<div class="method-heading">
<a href="#M000056" class="method-signature">
<span class="method-name">new</span><span class="method-args">(settings = {})</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000056-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000056-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/handler/scgi.rb, line 16</span>
16: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">settings</span> = {})
17: <span class="ruby-ivar">@app</span> = <span class="ruby-identifier">settings</span>[<span class="ruby-identifier">:app</span>]
18: <span class="ruby-ivar">@log</span> = <span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>
19: <span class="ruby-keyword kw">def</span> <span class="ruby-ivar">@log</span>.<span class="ruby-identifier">info</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>); <span class="ruby-keyword kw">end</span>
20: <span class="ruby-keyword kw">def</span> <span class="ruby-ivar">@log</span>.<span class="ruby-identifier">error</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>); <span class="ruby-keyword kw">end</span>
21: <span class="ruby-keyword kw">super</span>(<span class="ruby-identifier">settings</span>)
22: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000055" class="method-detail">
<a name="M000055"></a>
<div class="method-heading">
<a href="#M000055" class="method-signature">
<span class="method-name">run</span><span class="method-args">(app, options=nil)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000055-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000055-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/handler/scgi.rb, line 9</span>
9: <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">run</span>(<span class="ruby-identifier">app</span>, <span class="ruby-identifier">options</span>=<span class="ruby-keyword kw">nil</span>)
10: <span class="ruby-identifier">new</span>(<span class="ruby-identifier">options</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-identifier">:app=</span><span class="ruby-operator">&gt;</span><span class="ruby-identifier">app</span>,
11: <span class="ruby-identifier">:host=</span><span class="ruby-operator">&gt;</span><span class="ruby-identifier">options</span>[<span class="ruby-identifier">:Host</span>],
12: <span class="ruby-identifier">:port=</span><span class="ruby-operator">&gt;</span><span class="ruby-identifier">options</span>[<span class="ruby-identifier">:Port</span>],
13: <span class="ruby-identifier">:socket=</span><span class="ruby-operator">&gt;</span><span class="ruby-identifier">options</span>[<span class="ruby-identifier">:Socket</span>])).<span class="ruby-identifier">listen</span>
14: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000057" class="method-detail">
<a name="M000057"></a>
<div class="method-heading">
<a href="#M000057" class="method-signature">
<span class="method-name">process_request</span><span class="method-args">(request, input_body, socket)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000057-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000057-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/handler/scgi.rb, line 24</span>
24: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">process_request</span><span class="ruby-identifier">process_request</span><span class="ruby-identifier">process_request</span>(<span class="ruby-identifier">request</span>, <span class="ruby-identifier">input_body</span>, <span class="ruby-identifier">socket</span>)
25: <span class="ruby-identifier">env</span> = {}.<span class="ruby-identifier">replace</span>(<span class="ruby-identifier">request</span>)
26: <span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span> <span class="ruby-value str">&quot;HTTP_CONTENT_TYPE&quot;</span>
27: <span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span> <span class="ruby-value str">&quot;HTTP_CONTENT_LENGTH&quot;</span>
28: <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;REQUEST_PATH&quot;</span>], <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;QUERY_STRING&quot;</span>] = <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;REQUEST_URI&quot;</span>].<span class="ruby-identifier">split</span>(<span class="ruby-value str">'?'</span>, <span class="ruby-value">2</span>)
29: <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;HTTP_VERSION&quot;</span>] <span class="ruby-operator">||=</span> <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;SERVER_PROTOCOL&quot;</span>]
30: <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;PATH_INFO&quot;</span>] = <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;REQUEST_PATH&quot;</span>]
31: <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;QUERY_STRING&quot;</span>] <span class="ruby-operator">||=</span> <span class="ruby-value str">&quot;&quot;</span>
32: <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;SCRIPT_NAME&quot;</span>] = <span class="ruby-value str">&quot;&quot;</span>
33: <span class="ruby-identifier">env</span>.<span class="ruby-identifier">update</span>({<span class="ruby-value str">&quot;rack.version&quot;</span> =<span class="ruby-operator">&gt;</span> [<span class="ruby-value">0</span>,<span class="ruby-value">1</span>],
34: <span class="ruby-value str">&quot;rack.input&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-constant">StringIO</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">input_body</span>),
35: <span class="ruby-value str">&quot;rack.errors&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-constant">STDERR</span>,
36:
37: <span class="ruby-value str">&quot;rack.multithread&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-keyword kw">true</span>,
38: <span class="ruby-value str">&quot;rack.multiprocess&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-keyword kw">true</span>,
39: <span class="ruby-value str">&quot;rack.run_once&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-keyword kw">false</span>,
40:
41: <span class="ruby-value str">&quot;rack.url_scheme&quot;</span> =<span class="ruby-operator">&gt;</span> [<span class="ruby-value str">&quot;yes&quot;</span>, <span class="ruby-value str">&quot;on&quot;</span>, <span class="ruby-value str">&quot;1&quot;</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;HTTPS&quot;</span>]) <span class="ruby-operator">?</span> <span class="ruby-value str">&quot;https&quot;</span> <span class="ruby-operator">:</span> <span class="ruby-value str">&quot;http&quot;</span>
42: })
43: <span class="ruby-identifier">status</span>, <span class="ruby-identifier">headers</span>, <span class="ruby-identifier">body</span> = <span class="ruby-identifier">app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
44: <span class="ruby-keyword kw">begin</span>
45: <span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-node">&quot;Status: #{status}\r\n&quot;</span>)
46: <span class="ruby-identifier">headers</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">vs</span><span class="ruby-operator">|</span>
47: <span class="ruby-identifier">vs</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-node">&quot;#{k}: #{v}\r\n&quot;</span>)}
48: <span class="ruby-keyword kw">end</span>
49: <span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-value str">&quot;\r\n&quot;</span>)
50: <span class="ruby-identifier">body</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">s</span><span class="ruby-operator">|</span> <span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-identifier">s</span>)}
51: <span class="ruby-keyword kw">ensure</span>
52: <span class="ruby-identifier">body</span>.<span class="ruby-identifier">close</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">body</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-identifier">:close</span>
53: <span class="ruby-keyword kw">end</span>
54: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
</div>
</div>
<div id="validator-badges">
<p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>
</div>
</body>
</html>
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