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<title>class Rack::Handler::FastCGI - rack-2.2.22 Documentation</title>

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 <h3>Parent</h3>

Object
 
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 <h3>Methods</h3>

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 <li ><a href="#method-c-run">::run</a>
 
 <li ><a href="#method-c-send_body">::send_body</a>
 
 <li ><a href="#method-c-send_headers">::send_headers</a>
 
 <li ><a href="#method-c-serve">::serve</a>
 
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 <h1 id="class-Rack::Handler::FastCGI" class="class">
 class Rack::Handler::FastCGI
 </h1>

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

<div id="method-c-run" class="method-detail ">
 
 <div class="method-heading">
 run(app, **options)
 
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<div class="method-source-code" id="run-source">
 <pre># File lib/rack/handler/fastcgi.rb, line 21
def self.run(app, **options)
 if options[:File]
 STDIN.reopen(UNIXServer.new(options[:File]))
 elsif options[:Port]
 STDIN.reopen(TCPServer.new(options[:Host], options[:Port]))
 end
 FCGI.each { |request|
 serve request, app
 }
end</pre>
 </div>
 
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<div id="method-c-send_body" class="method-detail ">
 
 <div class="method-heading">
 send_body(out, body)
 
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<div class="method-source-code" id="send_body-source">
 <pre># File lib/rack/handler/fastcgi.rb, line 92
def self.send_body(out, body)
 body.each { |part|
 out.print part
 out.flush
 }
end</pre>
 </div>
 
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<div id="method-c-send_headers" class="method-detail ">
 
 <div class="method-heading">
 send_headers(out, status, headers)
 
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<div class="method-source-code" id="send_headers-source">
 <pre># File lib/rack/handler/fastcgi.rb, line 81
def self.send_headers(out, status, headers)
 out.print &quot;Status: #{status}\r\n&quot;
 headers.each { |k, vs|
 vs.split(&quot;\n&quot;).each { |v|
 out.print &quot;#{k}: #{v}\r\n&quot;
 }
 }
 out.print &quot;\r\n&quot;
 out.flush
end</pre>
 </div>
 
 </div>

</div>

<div id="method-c-serve" class="method-detail ">
 
 <div class="method-heading">
 serve(request, app)
 
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<div class="method-source-code" id="serve-source">
 <pre># File lib/rack/handler/fastcgi.rb, line 43
def self.serve(request, app)
 env = request.env
 env.delete &quot;HTTP_CONTENT_LENGTH&quot;

env[SCRIPT_NAME] = &quot;&quot; if env[SCRIPT_NAME] == &quot;/&quot;

rack_input = RewindableInput.new(request.in)

env.update(
 RACK_VERSION =&gt; Rack::VERSION,
 RACK_INPUT =&gt; rack_input,
 RACK_ERRORS =&gt; request.err,
 RACK_MULTITHREAD =&gt; false,
 RACK_MULTIPROCESS =&gt; true,
 RACK_RUNONCE =&gt; false,
 RACK_URL_SCHEME =&gt; [&quot;yes&quot;, &quot;on&quot;, &quot;1&quot;].include?(env[HTTPS]) ? &quot;https&quot; : &quot;http&quot;
 )

env[QUERY_STRING] ||= &quot;&quot;
 env[HTTP_VERSION] ||= env[SERVER_PROTOCOL]
 env[REQUEST_PATH] ||= &quot;/&quot;
 env.delete &quot;CONTENT_TYPE&quot; if env[&quot;CONTENT_TYPE&quot;] == &quot;&quot;
 env.delete &quot;CONTENT_LENGTH&quot; if env[&quot;CONTENT_LENGTH&quot;] == &quot;&quot;

begin
 status, headers, body = app.call(env)
 begin
 send_headers request.out, status, headers
 send_body request.out, body
 ensure
 body.close if body.respond_to? :close
 end
 ensure
 rack_input.close
 request.finish
 end
end</pre>
 </div>
 
 </div>

</div>

<div id="method-c-valid_options" class="method-detail ">
 
 <div class="method-heading">
 valid_options()
 
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 </div>

<div class="method-source-code" id="valid_options-source">
 <pre># File lib/rack/handler/fastcgi.rb, line 32
def self.valid_options
 environment = ENV[&#39;RACK_ENV&#39;] || &#39;development&#39;
 default_host = environment == &#39;development&#39; ? &#39;localhost&#39; : &#39;0.0.0.0&#39;

{
 &quot;Host=HOST&quot; =&gt; &quot;Hostname to listen on (default: #{default_host})&quot;,
 &quot;Port=PORT&quot; =&gt; &quot;Port to listen on (default: 8080)&quot;,
 &quot;File=PATH&quot; =&gt; &quot;Creates a Domain socket at PATH instead of a TCP socket. Ignores Host and Port if set.&quot;,
 }
end</pre>
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