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<title>class Rack::Handler::SCGI - rack-2.2.23 Documentation</title>

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  <h3>Parent</h3>

<p class="link">SCGI::Processor
  
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<main role="main" aria-labelledby="class-Rack::Handler::SCGI">
  <h1 id="class-Rack::Handler::SCGI" class="class">
    class Rack::Handler::SCGI
  </h1>

<section class="attribute-method-details" class="method-section">
      <header>
        <h3>Attributes</h3>
      </header>

<section id="public-class-5Buntitled-5D-method-details" class="method-section">
       <header>
         <h3>Public Class Methods</h3>
       </header>

<div id="method-c-new" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">new</span><span
            class="method-args">(settings = {})</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
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<div class="method-description">
          
          
          
          
            <div class="method-calls-super">
              Calls superclass method
              
            </div>

<div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File lib/rack/handler/scgi.rb, line 29</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">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>
          </div>
          
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<div id="method-c-run" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">run</span><span
            class="method-args">(app, **options)</span>
          
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<div class="method-source-code" id="run-source">
            <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 ruby-title">run</span>(<span class="ruby-identifier">app</span>, <span class="ruby-operator">**</span><span class="ruby-identifier">options</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-identifier">app</span>,
                    <span class="ruby-value">host:</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:Host</span>],
                    <span class="ruby-value">port:</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:Port</span>],
                    <span class="ruby-value">socket:</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>
          </div>
          
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<div id="method-c-valid_options" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">valid_options</span><span
            class="method-args">()</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
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<div class="method-source-code" id="valid_options-source">
            <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 ruby-title">valid_options</span>
  <span class="ruby-identifier">environment</span>  = <span class="ruby-constant">ENV</span>[<span class="ruby-string">&#39;RACK_ENV&#39;</span>] <span class="ruby-operator">||</span> <span class="ruby-string">&#39;development&#39;</span>
  <span class="ruby-identifier">default_host</span> = <span class="ruby-identifier">environment</span> <span class="ruby-operator">==</span> <span class="ruby-string">&#39;development&#39;</span> <span class="ruby-operator">?</span> <span class="ruby-string">&#39;localhost&#39;</span> <span class="ruby-operator">:</span> <span class="ruby-string">&#39;0.0.0.0&#39;</span>

{
    <span class="ruby-string">&quot;Host=HOST&quot;</span> <span class="ruby-operator">=&gt;</span> <span class="ruby-node">&quot;Hostname to listen on (default: #{default_host})&quot;</span>,
    <span class="ruby-string">&quot;Port=PORT&quot;</span> <span class="ruby-operator">=&gt;</span> <span class="ruby-string">&quot;Port to listen on (default: 8080)&quot;</span>,
  }
<span class="ruby-keyword">end</span></pre>
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</section>
  
     <section id="public-instance-5Buntitled-5D-method-details" class="method-section">
       <header>
         <h3>Public Instance Methods</h3>
       </header>

<div id="method-i-process_request" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">process_request</span><span
            class="method-args">(request, input_body, socket)</span>
          
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<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 ruby-title">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">&quot;HTTP_CONTENT_TYPE&quot;</span>
  <span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span> <span class="ruby-string">&quot;HTTP_CONTENT_LENGTH&quot;</span>
  <span class="ruby-identifier">env</span>[<span class="ruby-constant">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">&quot;REQUEST_URI&quot;</span>].<span class="ruby-identifier">split</span>(<span class="ruby-string">&#39;?&#39;</span>, <span class="ruby-value">2</span>)
  <span class="ruby-identifier">env</span>[<span class="ruby-constant">HTTP_VERSION</span>] <span class="ruby-operator">||=</span> <span class="ruby-identifier">env</span>[<span class="ruby-constant">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-constant">REQUEST_PATH</span>]
  <span class="ruby-identifier">env</span>[<span class="ruby-constant">QUERY_STRING</span>] <span class="ruby-operator">||=</span> <span class="ruby-string">&quot;&quot;</span>
  <span class="ruby-identifier">env</span>[<span class="ruby-constant">SCRIPT_NAME</span>] = <span class="ruby-string">&quot;&quot;</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-identifier">env</span>.<span class="ruby-identifier">update</span>(
    <span class="ruby-constant">RACK_VERSION</span>      <span class="ruby-operator">=&gt;</span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">VERSION</span>,
    <span class="ruby-constant">RACK_INPUT</span>        <span class="ruby-operator">=&gt;</span> <span class="ruby-identifier">rack_input</span>,
    <span class="ruby-constant">RACK_ERRORS</span>       <span class="ruby-operator">=&gt;</span> <span class="ruby-identifier">$stderr</span>,
    <span class="ruby-constant">RACK_MULTITHREAD</span>  <span class="ruby-operator">=&gt;</span> <span class="ruby-keyword">true</span>,
    <span class="ruby-constant">RACK_MULTIPROCESS</span> <span class="ruby-operator">=&gt;</span> <span class="ruby-keyword">true</span>,
    <span class="ruby-constant">RACK_RUNONCE</span>      <span class="ruby-operator">=&gt;</span> <span class="ruby-keyword">false</span>,
    <span class="ruby-constant">RACK_URL_SCHEME</span>   <span class="ruby-operator">=&gt;</span> [<span class="ruby-string">&quot;yes&quot;</span>, <span class="ruby-string">&quot;on&quot;</span>, <span class="ruby-string">&quot;1&quot;</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">env</span>[<span class="ruby-constant">HTTPS</span>]) <span class="ruby-operator">?</span> <span class="ruby-string">&quot;https&quot;</span> <span class="ruby-operator">:</span> <span class="ruby-string">&quot;http&quot;</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">&quot;Status: #{status}\r\n&quot;</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">&quot;\n&quot;</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>)}
    <span class="ruby-keyword">end</span>
    <span class="ruby-identifier">socket</span>.<span class="ruby-identifier">write</span>(<span class="ruby-string">&quot;\r\n&quot;</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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