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<title>Class: Rack::Forwarder</title>
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<td><strong>Class</strong></td>
<td class="class-name-in-header">Rack::Forwarder</td>
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<td><strong>In:</strong></td>
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<a href="../../files/lib/rack/forward_rb.html">
lib/rack/forward.rb
</a>
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Object
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<h3 class="section-bar">Methods</h3>
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<a href="#M000075">call</a>&nbsp;&nbsp;
<a href="#M000074">new</a>&nbsp;&nbsp;
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<h3 class="section-bar">Public Class methods</h3>
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<span class="method-name">new</span><span class="method-args">(host, port=80)</span>
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<pre>
<span class="ruby-comment cmt"># File lib/rack/forward.rb, line 12</span>
12: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">host</span>, <span class="ruby-identifier">port</span>=<span class="ruby-value">80</span>)
13: <span class="ruby-ivar">@host</span>, <span class="ruby-ivar">@port</span> = <span class="ruby-identifier">host</span>, <span class="ruby-identifier">port</span>
14: <span class="ruby-keyword kw">end</span>
</pre>
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<h3 class="section-bar">Public Instance methods</h3>
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<a name="M000075"></a>
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<a href="#M000075" class="method-signature">
<span class="method-name">call</span><span class="method-args">(env)</span>
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onclick="toggleCode('M000075-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000075-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/forward.rb, line 16</span>
16: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
17: <span class="ruby-identifier">rackreq</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Request</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">env</span>)
18:
19: <span class="ruby-identifier">headers</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span><span class="ruby-operator">::</span><span class="ruby-constant">HeaderHash</span>.<span class="ruby-identifier">new</span>
20: <span class="ruby-identifier">env</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">key</span>, <span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
21: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">key</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/HTTP_(.*)/</span>
22: <span class="ruby-identifier">headers</span>[<span class="ruby-identifier">$1</span>] = <span class="ruby-identifier">value</span>
23: <span class="ruby-keyword kw">end</span>
24: }
25:
26: <span class="ruby-identifier">res</span> = <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTP</span>.<span class="ruby-identifier">start</span>(<span class="ruby-ivar">@host</span>, <span class="ruby-ivar">@port</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">http</span><span class="ruby-operator">|</span>
27: <span class="ruby-identifier">m</span> = <span class="ruby-identifier">rackreq</span>.<span class="ruby-identifier">request_method</span>
28: <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">m</span>
29: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">&quot;GET&quot;</span>, <span class="ruby-value str">&quot;HEAD&quot;</span>, <span class="ruby-value str">&quot;DELETE&quot;</span>, <span class="ruby-value str">&quot;OPTIONS&quot;</span>, <span class="ruby-value str">&quot;TRACE&quot;</span>
30: <span class="ruby-identifier">req</span> = <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTP</span>.<span class="ruby-identifier">const_get</span>(<span class="ruby-identifier">m</span>.<span class="ruby-identifier">capitalize</span>).<span class="ruby-identifier">new</span>(<span class="ruby-identifier">rackreq</span>.<span class="ruby-identifier">fullpath</span>, <span class="ruby-identifier">headers</span>)
31: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">&quot;PUT&quot;</span>, <span class="ruby-value str">&quot;POST&quot;</span>
32: <span class="ruby-identifier">req</span> = <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTP</span>.<span class="ruby-identifier">const_get</span>(<span class="ruby-identifier">m</span>.<span class="ruby-identifier">capitalize</span>).<span class="ruby-identifier">new</span>(<span class="ruby-identifier">rackreq</span>.<span class="ruby-identifier">fullpath</span>, <span class="ruby-identifier">headers</span>)
33: <span class="ruby-identifier">req</span>.<span class="ruby-identifier">body_stream</span> = <span class="ruby-identifier">rackreq</span>.<span class="ruby-identifier">body</span>
34: <span class="ruby-keyword kw">else</span>
35: <span class="ruby-identifier">raise</span> <span class="ruby-node">&quot;method not supported: #{method}&quot;</span>
36: <span class="ruby-keyword kw">end</span>
37:
38: <span class="ruby-identifier">http</span>.<span class="ruby-identifier">request</span>(<span class="ruby-identifier">req</span>)
39: }
40:
41: [<span class="ruby-identifier">res</span>.<span class="ruby-identifier">code</span>, <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span><span class="ruby-operator">::</span><span class="ruby-constant">HeaderHash</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">res</span>.<span class="ruby-identifier">to_hash</span>), [<span class="ruby-identifier">res</span>.<span class="ruby-identifier">body</span>]]
42: <span class="ruby-keyword kw">end</span>
</pre>
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