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<h1 class="class">Rack::Handler::SCGI</h1>
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<!-- Attributes -->
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<span class="method-name">new</span><span
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<pre>
<span class="ruby-comment"># File lib/rack/handler/scgi.rb, line 29</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">settings</span> = {})
<span class="ruby-ivar">@app</span> = <span class="ruby-identifier">settings</span>[<span class="ruby-value">:app</span>]
<span class="ruby-keyword">super</span>(<span class="ruby-identifier">settings</span>)
<span class="ruby-keyword">end</span></pre>
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<pre>
<span class="ruby-comment"># File lib/rack/handler/scgi.rb, line 11</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">run</span>(<span class="ruby-identifier">app</span>, <span class="ruby-identifier">options</span>=<span class="ruby-keyword">nil</span>)
<span class="ruby-identifier">options</span>[<span class="ruby-value">:Socket</span>] = <span class="ruby-constant">UNIXServer</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">options</span>[<span class="ruby-value">:File</span>]) <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:File</span>]
<span class="ruby-identifier">new</span>(<span class="ruby-identifier">options</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-value">:app=</span><span class="ruby-operator">></span><span class="ruby-identifier">app</span>,
<span class="ruby-value">:host=</span><span class="ruby-operator">></span><span class="ruby-identifier">options</span>[<span class="ruby-value">:Host</span>],
<span class="ruby-value">:port=</span><span class="ruby-operator">></span><span class="ruby-identifier">options</span>[<span class="ruby-value">:Port</span>],
<span class="ruby-value">:socket=</span><span class="ruby-operator">></span><span class="ruby-identifier">options</span>[<span class="ruby-value">:Socket</span>])).<span class="ruby-identifier">listen</span>
<span class="ruby-keyword">end</span></pre>
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<pre>
<span class="ruby-comment"># File lib/rack/handler/scgi.rb, line 19</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">valid_options</span>
<span class="ruby-identifier">environment</span> = <span class="ruby-constant">ENV</span>[<span class="ruby-string">'RACK_ENV'</span>] <span class="ruby-operator">||</span> <span class="ruby-string">'development'</span>
<span class="ruby-identifier">default_host</span> = <span class="ruby-identifier">environment</span> <span class="ruby-operator">==</span> <span class="ruby-string">'development'</span> <span class="ruby-operator">?</span> <span class="ruby-string">'localhost'</span> <span class="ruby-operator">:</span> <span class="ruby-string">'0.0.0.0'</span>
{
<span class="ruby-string">"Host=HOST"</span> =<span class="ruby-operator">></span> <span class="ruby-node">"Hostname to listen on (default: #{default_host})"</span>,
<span class="ruby-string">"Port=PORT"</span> =<span class="ruby-operator">></span> <span class="ruby-string">"Port to listen on (default: 8080)"</span>,
}
<span class="ruby-keyword">end</span></pre>
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<div id="public-instance-method-details" class="method-section section">
<h3 class="section-header">Public Instance Methods</h3>
<div id="process_request-method" class="method-detail ">
<a name="method-i-process_request"></a>
<div class="method-heading">
<span class="method-name">process_request</span><span
class="method-args">(request, input_body, socket)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="process_request-source">
<pre>
<span class="ruby-comment"># File lib/rack/handler/scgi.rb, line 34</span>
<span class="ruby-keyword">def</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>)
<span class="ruby-identifier">env</span> = <span class="ruby-constant">Hash</span>[<span class="ruby-identifier">request</span>]
<span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span> <span class="ruby-string">"HTTP_CONTENT_TYPE"</span>
<span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span> <span class="ruby-string">"HTTP_CONTENT_LENGTH"</span>
<span class="ruby-identifier">env</span>[<span class="ruby-string">"REQUEST_PATH"</span>], <span class="ruby-identifier">env</span>[<span class="ruby-constant">QUERY_STRING</span>] = <span class="ruby-identifier">env</span>[<span class="ruby-string">"REQUEST_URI"</span>].<span class="ruby-identifier">split</span>(<span class="ruby-string">'?'</span>, <span class="ruby-value">2</span>)
<span class="ruby-identifier">env</span>[<span class="ruby-string">"HTTP_VERSION"</span>] <span class="ruby-operator">||=</span> <span class="ruby-identifier">env</span>[<span class="ruby-string">"SERVER_PROTOCOL"</span>]
<span class="ruby-identifier">env</span>[<span class="ruby-constant">PATH_INFO</span>] = <span class="ruby-identifier">env</span>[<span class="ruby-string">"REQUEST_PATH"</span>]
<span class="ruby-identifier">env</span>[<span class="ruby-string">"QUERY_STRING"</span>] <span class="ruby-operator">||=</span> <span class="ruby-string">""</span>
<span class="ruby-identifier">env</span>[<span class="ruby-string">"SCRIPT_NAME"</span>] = <span class="ruby-string">""</span>
<span class="ruby-identifier">rack_input</span> = <span class="ruby-constant">StringIO</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">input_body</span>)
<span class="ruby-identifier">rack_input</span>.<span class="ruby-identifier">set_encoding</span>(<span class="ruby-constant">Encoding</span><span class="ruby-operator">::</span><span class="ruby-constant">BINARY</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">rack_input</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:set_encoding</span>)
<span class="ruby-identifier">env</span>.<span class="ruby-identifier">update</span>({<span class="ruby-string">"rack.version"</span> =<span class="ruby-operator">></span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">VERSION</span>,
<span class="ruby-string">"rack.input"</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">rack_input</span>,
<span class="ruby-string">"rack.errors"</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">$stderr</span>,
<span class="ruby-string">"rack.multithread"</span> =<span class="ruby-operator">></span> <span class="ruby-keyword">true</span>,
<span class="ruby-string">"rack.multiprocess"</span> =<span class="ruby-operator">></span> <span class="ruby-keyword">true</span>,
<span class="ruby-string">"rack.run_once"</span> =<span class="ruby-operator">></span> <span class="ruby-keyword">false</span>,
<span class="ruby-string">"rack.url_scheme"</span> =<span class="ruby-operator">></span> [<span class="ruby-string">"yes"</span>, <span class="ruby-string">"on"</span>, <span class="ruby-string">"1"</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">env</span>[<span class="ruby-string">"HTTPS"</span>]) <span class="ruby-operator">?</span> <span class="ruby-string">"https"</span> <span class="ruby-operator">:</span> <span class="ruby-string">"http"</span>
})
<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>)
<span class="ruby-keyword">begin</span>
<span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-node">"Status: #{status}\r\n"</span>)
<span class="ruby-identifier">headers</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">vs</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">vs</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">"\n"</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">"#{k}: #{v}\r\n"</span>)}
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-string">"\r\n"</span>)
<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>)}
<span class="ruby-keyword">ensure</span>
<span class="ruby-identifier">body</span>.<span class="ruby-identifier">close</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">body</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-value">:close</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
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