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<title>call (Rack::DriverSelect)</title>
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<pre><span class="ruby-comment cmt"># File lib/sinatra/rack_driver_select.rb, line 30</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-identifier">original_settings</span> = { }
<span class="ruby-identifier">req</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>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">params</span>[<span class="ruby-value str">'api'</span>] <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">params</span>[<span class="ruby-value str">'api'</span>][<span class="ruby-value str">'driver'</span>]
<span class="ruby-identifier">env</span>[<span class="ruby-value str">'HTTP_X_DELTACLOUD_DRIVER'</span>] = <span class="ruby-identifier">req</span>.<span class="ruby-identifier">params</span>[<span class="ruby-value str">'api'</span>][<span class="ruby-value str">'driver'</span>]
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">params</span>[<span class="ruby-value str">'api'</span>] <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">params</span>[<span class="ruby-value str">'api'</span>][<span class="ruby-value str">'provider'</span>]
<span class="ruby-identifier">env</span>[<span class="ruby-value str">'HTTP_X_DELTACLOUD_PROVIDER'</span>] = <span class="ruby-identifier">req</span>.<span class="ruby-identifier">params</span>[<span class="ruby-value str">'api'</span>][<span class="ruby-value str">'provider'</span>]
<span class="ruby-keyword kw">end</span>
<span class="ruby-constant">HEADER_TO_ENV_MAP</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">header</span>, <span class="ruby-identifier">name</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">original_settings</span>[<span class="ruby-identifier">name</span>] = <span class="ruby-constant">Thread</span>.<span class="ruby-identifier">current</span>[<span class="ruby-identifier">name</span>]
<span class="ruby-identifier">new_setting</span> = <span class="ruby-identifier">extract_header</span>(<span class="ruby-identifier">env</span>, <span class="ruby-identifier">header</span>)
<span class="ruby-constant">Thread</span>.<span class="ruby-identifier">current</span>[<span class="ruby-identifier">name</span>] = <span class="ruby-identifier">new_setting</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">new_setting</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-keyword kw">ensure</span>
<span class="ruby-identifier">original_settings</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">name</span>, <span class="ruby-identifier">value</span><span class="ruby-operator">|</span> <span class="ruby-constant">Thread</span>.<span class="ruby-identifier">current</span>[<span class="ruby-identifier">name</span>] = <span class="ruby-identifier">value</span> }
<span class="ruby-keyword kw">end</span></pre>
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