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<li><a href="#method-c-middleware">::middleware</a></li>
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<h1 class="class">Rack::Server</h1>
<div id="description" class="description">
</div><!-- description -->
<div id="5Buntitled-5D" class="documentation-section">
<!-- Attributes -->
<div id="attribute-method-details" class="method-section section">
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<div id="options-attribute-method" class="method-detail">
<a name="options"></a>
<a name="options="></a>
<div class="method-heading attribute-method-heading">
<span class="method-name">options</span><span
class="attribute-access-type">[W]</span>
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</div>
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<!-- Methods -->
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<h3 class="section-header">Public Class Methods</h3>
<div id="default_middleware_by_environment-method" class="method-detail ">
<a name="method-c-default_middleware_by_environment"></a>
<div class="method-heading">
<span class="method-name">default_middleware_by_environment</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="default_middleware_by_environment-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 218</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">default_middleware_by_environment</span>
<span class="ruby-identifier">m</span> = <span class="ruby-constant">Hash</span>.<span class="ruby-identifier">new</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">h</span>,<span class="ruby-identifier">k</span><span class="ruby-operator">|</span> <span class="ruby-identifier">h</span>[<span class="ruby-identifier">k</span>] = []}
<span class="ruby-identifier">m</span>[<span class="ruby-string">"deployment"</span>] = [
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">ContentLength</span>],
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Chunked</span>],
<span class="ruby-identifier">logging_middleware</span>,
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">TempfileReaper</span>]
]
<span class="ruby-identifier">m</span>[<span class="ruby-string">"development"</span>] = [
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">ContentLength</span>],
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Chunked</span>],
<span class="ruby-identifier">logging_middleware</span>,
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">ShowExceptions</span>],
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Lint</span>],
[<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">TempfileReaper</span>]
]
<span class="ruby-identifier">m</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- default_middleware_by_environment-source -->
</div>
</div><!-- default_middleware_by_environment-method -->
<div id="logging_middleware-method" class="method-detail ">
<a name="method-c-logging_middleware"></a>
<div class="method-heading">
<span class="method-name">logging_middleware</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="logging_middleware-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 212</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">logging_middleware</span>
<span class="ruby-identifier">lambda</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">server</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">server</span>.<span class="ruby-identifier">server</span>.<span class="ruby-identifier">name</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp">/CGI/</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">server</span>.<span class="ruby-identifier">options</span>[<span class="ruby-value">:quiet</span>] <span class="ruby-operator">?</span> <span class="ruby-keyword">nil</span> <span class="ruby-operator">:</span> [<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">CommonLogger</span>, <span class="ruby-identifier">$stderr</span>]
}
<span class="ruby-keyword">end</span></pre>
</div><!-- logging_middleware-source -->
</div>
</div><!-- logging_middleware-method -->
<div id="middleware-method" class="method-detail ">
<a name="method-c-middleware"></a>
<div class="method-heading">
<span class="method-name">middleware</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="middleware-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 238</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">middleware</span>
<span class="ruby-identifier">default_middleware_by_environment</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- middleware-source -->
</div>
</div><!-- middleware-method -->
<div id="new-method" class="method-detail ">
<a name="method-c-new"></a>
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(options = nil)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p><a href="Server/Options.html">Options</a> may include:</p>
<ul><li>
<p>:app</p>
<pre>a rack application to run (overrides :config)</pre>
</li><li>
<p>:config</p>
<pre>a rackup configuration file path to load (.ru)</pre>
</li><li>
<p>:environment</p>
<pre>this selects the middleware that will be wrapped around
your application. Default options available are:
- development: CommonLogger, ShowExceptions, and Lint
- deployment: CommonLogger
- none: no extra middleware
note: when the server is a cgi server, CommonLogger is not included.</pre>
</li><li>
<p>:server</p>
<pre>choose a specific Rack::Handler, e.g. cgi, fcgi, webrick</pre>
</li><li>
<p>:daemonize</p>
<pre>if true, the server will daemonize itself (fork, detach, etc)</pre>
</li><li>
<p>:pid</p>
<pre>path to write a pid file after daemonize</pre>
</li><li>
<p>:Host</p>
<pre>the host address to bind to (used by supporting Rack::Handler)</pre>
</li><li>
<p>:Port</p>
<pre>the port to bind to (used by supporting Rack::Handler)</pre>
</li><li>
<p>:AccessLog</p>
<pre>webrick access log options (or supporting Rack::Handler)</pre>
</li><li>
<p>:debug</p>
<pre>turn on debug output ($DEBUG = true)</pre>
</li><li>
<p>:warn</p>
<pre>turn on warnings ($-w = true)</pre>
</li><li>
<p>:include</p>
<pre>add given paths to $LOAD_PATH</pre>
</li><li>
<p>:require</p>
<pre>require the given libraries</pre>
</li></ul>
<div class="method-source-code" id="new-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 184</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">options</span> = <span class="ruby-keyword">nil</span>)
<span class="ruby-ivar">@options</span> = <span class="ruby-identifier">options</span>
<span class="ruby-ivar">@app</span> = <span class="ruby-identifier">options</span>[<span class="ruby-value">:app</span>] <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:app</span>]
<span class="ruby-keyword">end</span></pre>
</div><!-- new-source -->
</div>
</div><!-- new-method -->
<div id="start-method" class="method-detail ">
<a name="method-c-start"></a>
<div class="method-heading">
<span class="method-name">start</span><span
class="method-args">(options = nil)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Start a new rack server (like running rackup). This will parse ARGV and
provide standard ARGV rackup options, defaulting to load 'config.ru'.</p>
<p>Providing an options hash will prevent ARGV parsing and will not include
any default options.</p>
<p>This method can be used to very easily launch a CGI application, for
example:</p>
<pre>Rack::Server.start(
:app => lambda do |e|
[200, {'Content-Type' => 'text/html'}, ['hello world']]
end,
:server => 'cgi'
)</pre>
<p>Further options available here are documented on Rack::Server#initialize</p>
<div class="method-source-code" id="start-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 146</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">start</span>(<span class="ruby-identifier">options</span> = <span class="ruby-keyword">nil</span>)
<span class="ruby-identifier">new</span>(<span class="ruby-identifier">options</span>).<span class="ruby-identifier">start</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- start-source -->
</div>
</div><!-- start-method -->
</div><!-- public-class-method-details -->
<div id="public-instance-method-details" class="method-section section">
<h3 class="section-header">Public Instance Methods</h3>
<div id="app-method" class="method-detail ">
<a name="method-i-app"></a>
<div class="method-heading">
<span class="method-name">app</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="app-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 207</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">app</span>
<span class="ruby-ivar">@app</span> <span class="ruby-operator">||=</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:builder</span>] <span class="ruby-operator">?</span> <span class="ruby-identifier">build_app_from_string</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">build_app_and_options_from_config</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- app-source -->
</div>
</div><!-- app-method -->
<div id="default_options-method" class="method-detail ">
<a name="method-i-default_options"></a>
<div class="method-heading">
<span class="method-name">default_options</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="default_options-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 193</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">default_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-value">:environment</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">environment</span>,
<span class="ruby-value">:pid</span> =<span class="ruby-operator">></span> <span class="ruby-keyword">nil</span>,
<span class="ruby-value">:Port</span> =<span class="ruby-operator">></span> <span class="ruby-value">9292</span>,
<span class="ruby-value">:Host</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">default_host</span>,
<span class="ruby-value">:AccessLog</span> =<span class="ruby-operator">></span> [],
<span class="ruby-value">:config</span> =<span class="ruby-operator">></span> <span class="ruby-string">"config.ru"</span>
}
<span class="ruby-keyword">end</span></pre>
</div><!-- default_options-source -->
</div>
</div><!-- default_options-method -->
<div id="middleware-method" class="method-detail ">
<a name="method-i-middleware"></a>
<div class="method-heading">
<span class="method-name">middleware</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="middleware-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 243</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">middleware</span>
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">middleware</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- middleware-source -->
</div>
</div><!-- middleware-method -->
<div id="options-method" class="method-detail ">
<a name="method-i-options"></a>
<div class="method-heading">
<span class="method-name">options</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="options-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 189</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">options</span>
<span class="ruby-ivar">@options</span> <span class="ruby-operator">||=</span> <span class="ruby-identifier">parse_options</span>(<span class="ruby-constant">ARGV</span>)
<span class="ruby-keyword">end</span></pre>
</div><!-- options-source -->
</div>
</div><!-- options-method -->
<div id="server-method" class="method-detail ">
<a name="method-i-server"></a>
<div class="method-heading">
<span class="method-name">server</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="server-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 289</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">server</span>
<span class="ruby-ivar">@_server</span> <span class="ruby-operator">||=</span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Handler</span>.<span class="ruby-identifier">get</span>(<span class="ruby-identifier">options</span>[<span class="ruby-value">:server</span>]) <span class="ruby-operator">||</span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Handler</span>.<span class="ruby-identifier">default</span>(<span class="ruby-identifier">options</span>)
<span class="ruby-keyword">end</span></pre>
</div><!-- server-source -->
</div>
</div><!-- server-method -->
<div id="start-method" class="method-detail ">
<a name="method-i-start"></a>
<div class="method-heading">
<span class="method-name">start</span><span
class="method-args">(&blk)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="start-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 247</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">start</span> &<span class="ruby-identifier">blk</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:warn</span>]
<span class="ruby-identifier">$-w</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">includes</span> = <span class="ruby-identifier">options</span>[<span class="ruby-value">:include</span>]
<span class="ruby-identifier">$LOAD_PATH</span>.<span class="ruby-identifier">unshift</span>(*<span class="ruby-identifier">includes</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">library</span> = <span class="ruby-identifier">options</span>[<span class="ruby-value">:require</span>]
<span class="ruby-identifier">require</span> <span class="ruby-identifier">library</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:debug</span>]
<span class="ruby-identifier">$DEBUG</span> = <span class="ruby-keyword">true</span>
<span class="ruby-identifier">require</span> <span class="ruby-string">'pp'</span>
<span class="ruby-identifier">p</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:server</span>]
<span class="ruby-identifier">pp</span> <span class="ruby-identifier">wrapped_app</span>
<span class="ruby-identifier">pp</span> <span class="ruby-identifier">app</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">check_pid!</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:pid</span>]
<span class="ruby-comment"># Touch the wrapped app, so that the config.ru is loaded before</span>
<span class="ruby-comment"># daemonization (i.e. before chdir, etc).</span>
<span class="ruby-identifier">wrapped_app</span>
<span class="ruby-identifier">daemonize_app</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:daemonize</span>]
<span class="ruby-identifier">write_pid</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:pid</span>]
<span class="ruby-identifier">trap</span>(<span class="ruby-value">:INT</span>) <span class="ruby-keyword">do</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">server</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:shutdown</span>)
<span class="ruby-identifier">server</span>.<span class="ruby-identifier">shutdown</span>
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">exit</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">server</span>.<span class="ruby-identifier">run</span> <span class="ruby-identifier">wrapped_app</span>, <span class="ruby-identifier">options</span>, &<span class="ruby-identifier">blk</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- start-source -->
</div>
</div><!-- start-method -->
</div><!-- public-instance-method-details -->
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