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<title>send_file (ActionController::Streaming)</title>
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<pre><span class="ruby-comment cmt"># File lib/action_controller/streaming.rb, line 79</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">send_file</span>(<span class="ruby-identifier">path</span>, <span class="ruby-identifier">options</span> = {}) <span class="ruby-comment cmt">#:doc:</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">MissingFile</span>, <span class="ruby-node">"Cannot read file #{path}"</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">file?</span>(<span class="ruby-identifier">path</span>) <span class="ruby-keyword kw">and</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">readable?</span>(<span class="ruby-identifier">path</span>)
<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:length</span>] <span class="ruby-operator">||=</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">size</span>(<span class="ruby-identifier">path</span>)
<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:filename</span>] <span class="ruby-operator">||=</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">basename</span>(<span class="ruby-identifier">path</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:url_based_filename</span>]
<span class="ruby-identifier">send_file_headers!</span> <span class="ruby-identifier">options</span>
<span class="ruby-ivar">@performed_render</span> = <span class="ruby-keyword kw">false</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:x_sendfile</span>]
<span class="ruby-identifier">logger</span>.<span class="ruby-identifier">info</span> <span class="ruby-node">"Sending #{X_SENDFILE_HEADER} header #{path}"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">logger</span>
<span class="ruby-identifier">head</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:status</span>], <span class="ruby-constant">X_SENDFILE_HEADER</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">path</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:stream</span>]
<span class="ruby-identifier">render</span> <span class="ruby-identifier">:status</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:status</span>], <span class="ruby-identifier">:text</span> =<span class="ruby-operator">></span> <span class="ruby-constant">Proc</span>.<span class="ruby-identifier">new</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">response</span>, <span class="ruby-identifier">output</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">logger</span>.<span class="ruby-identifier">info</span> <span class="ruby-node">"Streaming file #{path}"</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">logger</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">len</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:buffer_size</span>] <span class="ruby-operator">||</span> <span class="ruby-value">4096</span>
<span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">path</span>, <span class="ruby-value str">'rb'</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">file</span><span class="ruby-operator">|</span>
<span class="ruby-keyword kw">while</span> <span class="ruby-identifier">buf</span> = <span class="ruby-identifier">file</span>.<span class="ruby-identifier">read</span>(<span class="ruby-identifier">len</span>)
<span class="ruby-identifier">output</span>.<span class="ruby-identifier">write</span>(<span class="ruby-identifier">buf</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
}
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">logger</span>.<span class="ruby-identifier">info</span> <span class="ruby-node">"Sending file #{path}"</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">logger</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">path</span>, <span class="ruby-value str">'rb'</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">file</span><span class="ruby-operator">|</span> <span class="ruby-identifier">render</span> <span class="ruby-identifier">:status</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:status</span>], <span class="ruby-identifier">:text</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">file</span>.<span class="ruby-identifier">read</span> }
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
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distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
8b99df826c3b6cf56a1caaae5f931d50
>
files
>
632
