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<title>class Rack::Handler::SCGI - rack-2.2.8 Documentation</title>
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<h3>Parent</h3>
<p class="link">SCGI::Processor
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<h3>Methods</h3>
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<li class="calls-super" ><a href="#method-c-new">::new</a>
<li ><a href="#method-c-run">::run</a>
<li ><a href="#method-c-valid_options">::valid_options</a>
<li ><a href="#method-i-process_request">#process_request</a>
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<h1 id="class-Rack::Handler::SCGI" class="class">
class Rack::Handler::SCGI
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="attribute-method-details" class="method-section">
<header>
<h3>Attributes</h3>
</header>
<div id="attribute-i-app" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">app</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
</div>
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</section>
<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>
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</div>
<div class="method-description">
<div class="method-calls-super">
Calls superclass method
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<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>
</div>
</div>
<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>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<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>
</div>
</div>
<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>
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</div>
<div class="method-description">
<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">'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>
</div>
</div>
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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>
<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 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">"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-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">"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-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">""</span>
<span class="ruby-identifier">env</span>[<span class="ruby-constant">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-identifier">env</span>.<span class="ruby-identifier">update</span>(
<span class="ruby-constant">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-constant">RACK_INPUT</span> <span class="ruby-operator">=></span> <span class="ruby-identifier">rack_input</span>,
<span class="ruby-constant">RACK_ERRORS</span> <span class="ruby-operator">=></span> <span class="ruby-identifier">$stderr</span>,
<span class="ruby-constant">RACK_MULTITHREAD</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">true</span>,
<span class="ruby-constant">RACK_MULTIPROCESS</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">true</span>,
<span class="ruby-constant">RACK_RUNONCE</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">false</span>,
<span class="ruby-constant">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-constant">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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