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<h3>Methods</h3>
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<ul class="link-list" role="directory">
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<li ><a href="#method-i-recv">#recv</a>
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<li ><a href="#method-i-recvmsg">#recvmsg</a>
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<li ><a href="#method-i-send">#send</a>
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<li ><a href="#method-i-sendmsg">#sendmsg</a>
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<h1 id="module-GxG::Support::Library::SocketIO" class="module">
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module GxG::Support::Library::SocketIO
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</h1>
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<section class="description">
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<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
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<header>
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<h3>Public Instance Methods</h3>
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</header>
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<div id="method-i-recv" class="method-detail ">
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<div class="method-heading">
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<span class="method-name">recv</span><span
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class="method-args">(bytecount=nil, flags=0)</span>
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<span class="method-click-advice">click to toggle source</span>
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</div>
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<div class="method-description">
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<div class="method-source-code" id="recv-source">
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<pre><span class="ruby-comment"># File lib/gxg/gxg_io.rb, line 340</span>
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<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">recv</span>(<span class="ruby-identifier">bytecount</span>=<span class="ruby-keyword">nil</span>, <span class="ruby-identifier">flags</span>=<span class="ruby-value">0</span>)
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<span class="ruby-comment"># for now, flags ignored. LATER: study Socket.recv message flags in detail</span>
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<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@before_receive_data</span>)
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<span class="ruby-ivar">@before_receive_data</span> = <span class="ruby-keyword">nil</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@after_receive_data</span>)
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<span class="ruby-ivar">@after_receive_data</span> = <span class="ruby-keyword">nil</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">unless</span> <span class="ruby-identifier">bytecount</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Numeric</span>)
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<span class="ruby-identifier">bytecount</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">buffer_limits</span>(<span class="ruby-value">:in</span>,<span class="ruby-value">:socket</span>)[<span class="ruby-value">:initial</span>]
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">unless</span> <span class="ruby-identifier">flags</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Numeric</span>)
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<span class="ruby-identifier">flags</span> = <span class="ruby-value">0</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fcntl</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">F_GETFL</span>,<span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>) <span class="ruby-operator">&</span> <span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span> <span class="ruby-operator">==</span> <span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>
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<span class="ruby-comment"># on Winderz, just to a buffer sized spoon full until done ??</span>
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<span class="ruby-comment">#</span>
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
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<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to recv on a closed stream"</span>
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<span class="ruby-keyword">else</span>
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<span class="ruby-keyword">if</span> <span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
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<span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">call</span>()
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UNIXServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UNIXSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span>)
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<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:socket</span>
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<span class="ruby-keyword">else</span>
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">TCPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">SOCKSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">TCPSocket</span>)
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<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:tcp</span>
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<span class="ruby-keyword">else</span>
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UDPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSource</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSocket</span>)
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<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:udp</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-identifier">buffer_size</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">buffer_limits</span>(<span class="ruby-value">:in</span>,<span class="ruby-identifier">whatfor</span>)[<span class="ruby-value">:initial</span>]
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<span class="ruby-keyword">unless</span> <span class="ruby-identifier">bytecount</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Numeric</span>)
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<span class="ruby-identifier">bytecount</span> = <span class="ruby-identifier">buffer_size</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">unless</span> <span class="ruby-identifier">flags</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Numeric</span>)
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<span class="ruby-identifier">flags</span> = <span class="ruby-value">0</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-comment"># millisecond: 1/1000th of a second (reminder)</span>
|
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<span class="ruby-identifier">read_bytes</span> = <span class="ruby-value">0</span>
|
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<span class="ruby-identifier">result</span> = <span class="ruby-string">""</span>
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<span class="ruby-identifier">result</span>.<span class="ruby-identifier">force_encoding</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Encoding</span><span class="ruby-operator">::</span><span class="ruby-constant">ASCII_8BIT</span>)
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<span class="ruby-identifier">chunk</span> = <span class="ruby-string">"abc"</span>
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<span class="ruby-comment">#</span>
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<span class="ruby-keyword">until</span> (<span class="ruby-identifier">read_bytes</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">bytecount</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">chunk</span>.<span class="ruby-identifier">bytesize</span>() <span class="ruby-operator">==</span> <span class="ruby-value">0</span>)
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<span class="ruby-keyword">begin</span>
|
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<span class="ruby-keyword">if</span> ((<span class="ruby-identifier">bytecount</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">read_bytes</span>) <span class="ruby-operator"><</span> <span class="ruby-identifier">buffer_size</span>)
|
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<span class="ruby-identifier">chunk</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">recv_nonblock</span>((<span class="ruby-identifier">bytecount</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">read_bytes</span>),<span class="ruby-identifier">flags</span>).<span class="ruby-identifier">to_s</span>
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<span class="ruby-keyword">else</span>
|
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<span class="ruby-identifier">chunk</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">recv_nonblock</span>(<span class="ruby-identifier">buffer_size</span>,<span class="ruby-identifier">flags</span>).<span class="ruby-identifier">to_s</span>
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-identifier">read_bytes</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">chunk</span>.<span class="ruby-identifier">bytesize</span>()
|
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<span class="ruby-keyword">if</span> <span class="ruby-identifier">chunk</span>.<span class="ruby-identifier">bytesize</span>() <span class="ruby-operator">></span> <span class="ruby-value">0</span>
|
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<span class="ruby-identifier">result</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">chunk</span>
|
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">rescue</span> <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitReadable</span>, <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitWritable</span>, <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitReadable</span>, <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitWritable</span>
|
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<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-keyword">begin</span>
|
|
<span class="ruby-comment"># about 10 ms</span>
|
|
<span class="ruby-identifier">selected</span> = <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-identifier">select</span>([<span class="ruby-keyword">self</span>],<span class="ruby-keyword">nil</span>,<span class="ruby-keyword">nil</span>,<span class="ruby-value">0.010</span>)
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<span class="ruby-keyword">until</span> <span class="ruby-identifier">selected</span>
|
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<span class="ruby-identifier">pause</span>
|
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<span class="ruby-identifier">selected</span> = <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-identifier">select</span>([<span class="ruby-keyword">self</span>],<span class="ruby-keyword">nil</span>,<span class="ruby-keyword">nil</span>,<span class="ruby-value">0.010</span>)
|
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Exception</span>
|
|
<span class="ruby-identifier">pause</span>
|
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<span class="ruby-keyword">retry</span>
|
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-keyword">retry</span>
|
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-comment">#</span>
|
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<span class="ruby-identifier">pause</span>
|
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<span class="ruby-keyword">end</span>
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<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">call</span>([<span class="ruby-identifier">result</span>,<span class="ruby-keyword">nil</span>,<span class="ruby-value">0</span>,<span class="ruby-keyword">nil</span>])
|
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-identifier">result</span>
|
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<span class="ruby-keyword">end</span>
|
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<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to recv on a closed stream"</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">call</span>()
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">result</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">original_recv</span>(<span class="ruby-identifier">bytecount</span>.<span class="ruby-identifier">to_i</span>,<span class="ruby-identifier">flags</span>).<span class="ruby-identifier">to_s</span>
|
|
<span class="ruby-identifier">result</span>.<span class="ruby-identifier">force_encoding</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Encoding</span><span class="ruby-operator">::</span><span class="ruby-constant">ASCII_8BIT</span>)
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">call</span>([<span class="ruby-identifier">result</span>,<span class="ruby-keyword">nil</span>,<span class="ruby-value">0</span>,<span class="ruby-keyword">nil</span>])
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">result</span>
|
|
<span class="ruby-keyword">end</span></pre>
|
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</div>
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</div>
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</div>
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<div id="method-i-recvmsg" class="method-detail ">
|
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|
|
<div class="method-heading">
|
|
<span class="method-name">recvmsg</span><span
|
|
class="method-args">(max_mesg_length=nil, flags=0, max_control_length=nil, options={})</span>
|
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|
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<span class="method-click-advice">click to toggle source</span>
|
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</div>
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<div class="method-description">
|
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<div class="method-source-code" id="recvmsg-source">
|
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<pre><span class="ruby-comment"># File lib/gxg/gxg_io.rb, line 281</span>
|
|
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">recvmsg</span>(<span class="ruby-identifier">max_mesg_length</span>=<span class="ruby-keyword">nil</span>, <span class="ruby-identifier">flags</span>=<span class="ruby-value">0</span>, <span class="ruby-identifier">max_control_length</span>=<span class="ruby-keyword">nil</span>, <span class="ruby-identifier">options</span>={})
|
|
<span class="ruby-comment"># for now, flags ignored. LATER: study Socket.recv message flags in detail</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fcntl</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">F_GETFL</span>,<span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>) <span class="ruby-operator">&</span> <span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span> <span class="ruby-operator">==</span> <span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>
|
|
<span class="ruby-comment"># on Winderz, just to a buffer sized spoon full until done ??</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to recvmsg on a closed stream"</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">call</span>()
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">begin</span>
|
|
<span class="ruby-identifier">result</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">recvmsg_nonblock</span>(<span class="ruby-identifier">max_mesg_length</span>, <span class="ruby-identifier">flags</span>, <span class="ruby-identifier">max_control_length</span>, <span class="ruby-identifier">options</span>)
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">rescue</span> <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitReadable</span>, <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitWritable</span>, <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitReadable</span>, <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitWritable</span>
|
|
<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-keyword">begin</span>
|
|
<span class="ruby-comment"># about 10 ms</span>
|
|
<span class="ruby-identifier">selected</span> = <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-identifier">select</span>([<span class="ruby-keyword">self</span>],<span class="ruby-keyword">nil</span>,<span class="ruby-keyword">nil</span>,<span class="ruby-value">0.010</span>)
|
|
<span class="ruby-keyword">until</span> <span class="ruby-identifier">selected</span>
|
|
<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-identifier">selected</span> = <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-identifier">select</span>([<span class="ruby-keyword">self</span>],<span class="ruby-keyword">nil</span>,<span class="ruby-keyword">nil</span>,<span class="ruby-value">0.010</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Exception</span>
|
|
<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-keyword">retry</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">retry</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">result</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Array</span>)
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">result</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">String</span>)
|
|
<span class="ruby-identifier">result</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">force_encoding</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Encoding</span><span class="ruby-operator">::</span><span class="ruby-constant">ASCII_8BIT</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">result</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to recvmsg on a closed stream"</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@before_receive_data</span>.<span class="ruby-identifier">call</span>()
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">result</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">original_recvmsg</span>(<span class="ruby-identifier">max_mesg_length</span>, <span class="ruby-identifier">flags</span>, <span class="ruby-identifier">max_control_length</span>, <span class="ruby-identifier">options</span>)
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">result</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Array</span>)
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">result</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">String</span>)
|
|
<span class="ruby-identifier">result</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">force_encoding</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Encoding</span><span class="ruby-operator">::</span><span class="ruby-constant">ASCII_8BIT</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:call</span>)
|
|
<span class="ruby-ivar">@after_receive_data</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">result</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">result</span>
|
|
<span class="ruby-keyword">end</span></pre>
|
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</div>
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</div>
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</div>
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<div id="method-i-send" class="method-detail ">
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<div class="method-heading">
|
|
<span class="method-name">send</span><span
|
|
class="method-args">(data="", flags=0, destination_socket_address=nil, *controls)</span>
|
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|
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<span class="method-click-advice">click to toggle source</span>
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|
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</div>
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|
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<div class="method-description">
|
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<div class="method-source-code" id="send-source">
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<pre><span class="ruby-comment"># File lib/gxg/gxg_io.rb, line 181</span>
|
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<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">send</span>(<span class="ruby-identifier">data</span>=<span class="ruby-string">""</span>, <span class="ruby-identifier">flags</span>=<span class="ruby-value">0</span>, <span class="ruby-identifier">destination_socket_address</span>=<span class="ruby-keyword">nil</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">controls</span>)
|
|
<span class="ruby-comment"># for now, flags ignored. LATER: study Socket.send message flags in detail</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@remote_closed</span>)
|
|
<span class="ruby-ivar">@remote_closed</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@write_latency</span>)
|
|
<span class="ruby-ivar">@write_latency</span> = {<span class="ruby-value">:low</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">:last</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">:high</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">nil</span>}
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@before_send_data</span>)
|
|
<span class="ruby-ivar">@before_send_data</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@after_send_data</span>)
|
|
<span class="ruby-ivar">@after_send_data</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to send on a closed stream"</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">data</span> = <span class="ruby-identifier">data</span>.<span class="ruby-identifier">to_s</span>
|
|
<span class="ruby-identifier">length</span> = <span class="ruby-value">0</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">data</span>.<span class="ruby-identifier">bytesize</span>() <span class="ruby-operator">></span> <span class="ruby-value">0</span>
|
|
<span class="ruby-identifier">length</span> = <span class="ruby-identifier">data</span>.<span class="ruby-identifier">bytesize</span>()
|
|
<span class="ruby-comment"># process controls:</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>)
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>]
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Hash</span>)
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AF_UNIX</span>, (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:level</span>] <span class="ruby-operator">||</span> <span class="ruby-value">:SOCKET</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:type</span>] <span class="ruby-operator">||</span> <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SCM_RIGHTS</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:data</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fileno</span>))
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">controls</span>.<span class="ruby-identifier">flatten!</span>
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AF_UNIX</span>, (<span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">||</span> <span class="ruby-value">:SOCKET</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">1</span>] <span class="ruby-operator">||</span> <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SCM_RIGHTS</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">2</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fileno</span>))
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UNIXServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UNIXSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:socket</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">TCPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">SOCKSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">TCPSocket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:tcp</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UDPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSource</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSocket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:udp</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">buffer_size</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">buffer_limits</span>(<span class="ruby-value">:out</span>,<span class="ruby-identifier">whatfor</span>)[<span class="ruby-value">:initial</span>]
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">length</span> <span class="ruby-operator">>=</span> <span class="ruby-identifier">buffer_size</span>
|
|
<span class="ruby-identifier">passes</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">passes_needed</span>(<span class="ruby-identifier">length</span>, <span class="ruby-identifier">buffer_size</span>)
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">passes</span> = <span class="ruby-value">1</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">total</span> = (<span class="ruby-identifier">length</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>)
|
|
<span class="ruby-identifier">starting</span> = <span class="ruby-value">0</span>
|
|
<span class="ruby-identifier">ending</span> = ([<span class="ruby-identifier">length</span>,<span class="ruby-identifier">buffer_size</span>].<span class="ruby-identifier">min</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>)
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">passes</span>.<span class="ruby-identifier">times</span> <span class="ruby-keyword">do</span>
|
|
<span class="ruby-comment"># if remote end closes during write, raise error.</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>
|
|
<span class="ruby-identifier">reading</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">latency_reading</span>(<span class="ruby-keyword">self</span>.<span class="ruby-identifier">write_latency</span>()) <span class="ruby-keyword">do</span>
|
|
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-identifier">data</span>.<span class="ruby-identifier">slice_bytes</span>(<span class="ruby-identifier">starting</span><span class="ruby-operator">..</span><span class="ruby-identifier">ending</span>),<span class="ruby-identifier">flags</span>,<span class="ruby-identifier">destination_socket_address</span>,<span class="ruby-identifier">controls</span>) <span class="ruby-keyword">or</span> <span class="ruby-ivar">@remote_closed</span>=<span class="ruby-keyword">true</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">destination_socket_address</span>
|
|
<span class="ruby-identifier">reading</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">latency_reading</span>(<span class="ruby-keyword">self</span>.<span class="ruby-identifier">write_latency</span>()) <span class="ruby-keyword">do</span>
|
|
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">original_send</span>(<span class="ruby-identifier">data</span>.<span class="ruby-identifier">slice_bytes</span>(<span class="ruby-identifier">starting</span><span class="ruby-operator">..</span><span class="ruby-identifier">ending</span>),<span class="ruby-identifier">flags</span>,<span class="ruby-identifier">destination_socket_address</span>) <span class="ruby-keyword">or</span> <span class="ruby-ivar">@remote_closed</span>=<span class="ruby-keyword">true</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">reading</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">latency_reading</span>(<span class="ruby-keyword">self</span>.<span class="ruby-identifier">write_latency</span>()) <span class="ruby-keyword">do</span>
|
|
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">original_send</span>(<span class="ruby-identifier">data</span>.<span class="ruby-identifier">slice_bytes</span>(<span class="ruby-identifier">starting</span><span class="ruby-operator">..</span><span class="ruby-identifier">ending</span>),<span class="ruby-identifier">flags</span>) <span class="ruby-keyword">or</span> <span class="ruby-ivar">@remote_closed</span>=<span class="ruby-keyword">true</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-keyword">break</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-ivar">@write_latency</span> = <span class="ruby-identifier">reading</span>[<span class="ruby-value">:reading</span>]
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">starting</span> = <span class="ruby-identifier">ending</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>
|
|
<span class="ruby-identifier">ending</span> = (<span class="ruby-identifier">starting</span> <span class="ruby-operator">+</span> (<span class="ruby-identifier">buffer_size</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>))
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">ending</span> <span class="ruby-operator">></span> <span class="ruby-identifier">total</span>
|
|
<span class="ruby-identifier">ending</span> = <span class="ruby-identifier">ending</span> <span class="ruby-operator">-</span> (<span class="ruby-identifier">ending</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">total</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">length</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span></pre>
|
|
</div>
|
|
|
|
</div>
|
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|
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|
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</div>
|
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|
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|
|
<div id="method-i-sendmsg" class="method-detail ">
|
|
|
|
<div class="method-heading">
|
|
<span class="method-name">sendmsg</span><span
|
|
class="method-args">(data="", flags=0, destination_socket_address=nil, *controls)</span>
|
|
|
|
<span class="method-click-advice">click to toggle source</span>
|
|
|
|
</div>
|
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|
|
|
|
<div class="method-description">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<div class="method-source-code" id="sendmsg-source">
|
|
<pre><span class="ruby-comment"># File lib/gxg/gxg_io.rb, line 8</span>
|
|
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">sendmsg</span>(<span class="ruby-identifier">data</span>=<span class="ruby-string">""</span>, <span class="ruby-identifier">flags</span>=<span class="ruby-value">0</span>, <span class="ruby-identifier">destination_socket_address</span>=<span class="ruby-keyword">nil</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">controls</span>)
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@remote_closed</span>)
|
|
<span class="ruby-ivar">@remote_closed</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@write_latency</span>)
|
|
<span class="ruby-ivar">@write_latency</span> = {<span class="ruby-value">:low</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">:last</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">:high</span> <span class="ruby-operator">=></span> <span class="ruby-keyword">nil</span>}
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@before_send_data</span>)
|
|
<span class="ruby-ivar">@before_send_data</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">instance_variable_defined?</span>(<span class="ruby-value">:@after_send_data</span>)
|
|
<span class="ruby-ivar">@after_send_data</span> = <span class="ruby-keyword">nil</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fcntl</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">F_GETFL</span>,<span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>) <span class="ruby-operator">&</span> <span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span> <span class="ruby-operator">==</span> <span class="ruby-operator">::</span><span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>
|
|
<span class="ruby-comment"># on Winderz, just to a buffer sized spoon full until done ??</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to sendmsg on a closed stream"</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">data</span> = <span class="ruby-identifier">data</span>.<span class="ruby-identifier">to_s</span>
|
|
<span class="ruby-identifier">written_bytes</span> = <span class="ruby-identifier">data</span>.<span class="ruby-identifier">bytesize</span>()
|
|
<span class="ruby-comment"># process controls:</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>)
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>]
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Hash</span>)
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AF_UNIX</span>, (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:level</span>] <span class="ruby-operator">||</span> <span class="ruby-value">:SOCKET</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:type</span>] <span class="ruby-operator">||</span> <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SCM_RIGHTS</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:data</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fileno</span>))
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">controls</span>.<span class="ruby-identifier">flatten!</span>
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AF_UNIX</span>, (<span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">||</span> <span class="ruby-value">:SOCKET</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">1</span>] <span class="ruby-operator">||</span> <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SCM_RIGHTS</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">2</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fileno</span>))
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-string">"you MUST supply ancillary data as a control"</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UNIXServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UNIXSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:socket</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">TCPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">SOCKSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">TCPSocket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:tcp</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UDPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSource</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSocket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:udp</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">buffer_size</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">buffer_limits</span>(<span class="ruby-value">:out</span>,<span class="ruby-identifier">whatfor</span>)[<span class="ruby-value">:initial</span>]
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">written_bytes</span> <span class="ruby-operator">>=</span> <span class="ruby-identifier">buffer_size</span>
|
|
<span class="ruby-identifier">passes</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">passes_needed</span>(<span class="ruby-identifier">written_bytes</span>, <span class="ruby-identifier">buffer_size</span>)
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">passes</span> = <span class="ruby-value">1</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">total</span> = (<span class="ruby-identifier">written_bytes</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>)
|
|
<span class="ruby-identifier">starting</span> = <span class="ruby-value">0</span>
|
|
<span class="ruby-identifier">ending</span> = ([<span class="ruby-identifier">written_bytes</span>,<span class="ruby-identifier">buffer_size</span>].<span class="ruby-identifier">min</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>)
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">passes</span>.<span class="ruby-identifier">times</span> <span class="ruby-keyword">do</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">begin</span>
|
|
<span class="ruby-comment"># if remote end closes during write, raise error by setting @remote_closed and breaking loop.</span>
|
|
<span class="ruby-identifier">reading</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">latency_reading</span>(<span class="ruby-keyword">self</span>.<span class="ruby-identifier">write_latency</span>()) <span class="ruby-keyword">do</span>
|
|
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">sendmsg_nonblock</span>(<span class="ruby-identifier">data</span>.<span class="ruby-identifier">slice_bytes</span>(<span class="ruby-identifier">starting</span><span class="ruby-operator">..</span><span class="ruby-identifier">ending</span>),<span class="ruby-identifier">flags</span>,<span class="ruby-identifier">destination_socket_address</span>,<span class="ruby-identifier">controls</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-ivar">@write_latency</span> = <span class="ruby-identifier">reading</span>[<span class="ruby-value">:reading</span>]
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">rescue</span> <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitWritable</span>, <span class="ruby-constant">GxG</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-constant">WaitWritable</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EINTR</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EWOULDBLOCK</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EAGAIN</span>
|
|
<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-keyword">begin</span>
|
|
<span class="ruby-identifier">selected</span> = <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-identifier">select</span>(<span class="ruby-keyword">nil</span>,[<span class="ruby-keyword">self</span>],<span class="ruby-keyword">nil</span>,<span class="ruby-value">0.010</span>)
|
|
<span class="ruby-keyword">until</span> <span class="ruby-identifier">selected</span>
|
|
<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-identifier">selected</span> = <span class="ruby-operator">::</span><span class="ruby-constant">IO</span><span class="ruby-operator">::</span><span class="ruby-identifier">select</span>(<span class="ruby-keyword">nil</span>,[<span class="ruby-keyword">self</span>],<span class="ruby-keyword">nil</span>,<span class="ruby-value">0.010</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Exception</span>
|
|
<span class="ruby-identifier">pause</span>
|
|
<span class="ruby-keyword">retry</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">retry</span>
|
|
<span class="ruby-keyword">rescue</span> <span class="ruby-operator">::</span><span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-ivar">@remote_closed</span>=<span class="ruby-keyword">true</span>
|
|
<span class="ruby-keyword">break</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">starting</span> = <span class="ruby-identifier">ending</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>
|
|
<span class="ruby-identifier">ending</span> = (<span class="ruby-identifier">starting</span> <span class="ruby-operator">+</span> (<span class="ruby-identifier">buffer_size</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>))
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">ending</span> <span class="ruby-operator">></span> <span class="ruby-identifier">total</span>
|
|
<span class="ruby-identifier">ending</span> = <span class="ruby-identifier">ending</span> <span class="ruby-operator">-</span> (<span class="ruby-identifier">ending</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">total</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">written_bytes</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">closed?</span>()
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">IOError</span>, <span class="ruby-string">"attempting to sendmsg on a closed stream"</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">data</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">transcode_to_external</span>(<span class="ruby-identifier">data</span>)
|
|
<span class="ruby-identifier">written_bytes</span> = <span class="ruby-identifier">data</span>.<span class="ruby-identifier">bytesize</span>()
|
|
<span class="ruby-comment"># process controls:</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>)
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>]
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Hash</span>)
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AF_UNIX</span>, (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:level</span>] <span class="ruby-operator">||</span> <span class="ruby-value">:SOCKET</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:type</span>] <span class="ruby-operator">||</span> <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SCM_RIGHTS</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">:data</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fileno</span>))
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">controls</span>.<span class="ruby-identifier">flatten!</span>
|
|
<span class="ruby-identifier">controls</span> = <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AncillaryData</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">AF_UNIX</span>, (<span class="ruby-identifier">controls</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">||</span> <span class="ruby-value">:SOCKET</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">1</span>] <span class="ruby-operator">||</span> <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SCM_RIGHTS</span>), (<span class="ruby-identifier">controls</span>[<span class="ruby-value">2</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">fileno</span>))
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-string">"you MUST supply ancillary data as a control"</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UNIXServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UNIXSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">Socket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:socket</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">TCPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">SOCKSocket</span>, <span class="ruby-operator">::</span><span class="ruby-constant">TCPSocket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:tcp</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">is_any?</span>(<span class="ruby-operator">::</span><span class="ruby-constant">UDPServer</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSource</span>, <span class="ruby-operator">::</span><span class="ruby-constant">UDPSocket</span>)
|
|
<span class="ruby-identifier">whatfor</span> = <span class="ruby-value">:udp</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">buffer_size</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">buffer_limits</span>(<span class="ruby-value">:out</span>,<span class="ruby-identifier">whatfor</span>)[<span class="ruby-value">:initial</span>]
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">written_bytes</span> <span class="ruby-operator">>=</span> <span class="ruby-identifier">buffer_size</span>
|
|
<span class="ruby-identifier">passes</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">passes_needed</span>(<span class="ruby-identifier">written_bytes</span>, <span class="ruby-identifier">buffer_size</span>)
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-identifier">passes</span> = <span class="ruby-value">1</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">total</span> = (<span class="ruby-identifier">written_bytes</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>)
|
|
<span class="ruby-identifier">starting</span> = <span class="ruby-value">0</span>
|
|
<span class="ruby-identifier">ending</span> = ([<span class="ruby-identifier">written_bytes</span>,<span class="ruby-identifier">buffer_size</span>].<span class="ruby-identifier">min</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>)
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-identifier">passes</span>.<span class="ruby-identifier">times</span> <span class="ruby-keyword">do</span>
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<span class="ruby-comment"># if remote end closes during write, raise error.</span>
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<span class="ruby-identifier">reading</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">latency_reading</span>(<span class="ruby-keyword">self</span>.<span class="ruby-identifier">write_latency</span>()) <span class="ruby-keyword">do</span>
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<span class="ruby-keyword">self</span>.<span class="ruby-identifier">original_sendmsg</span>(<span class="ruby-identifier">data</span>.<span class="ruby-identifier">slice_bytes</span>(<span class="ruby-identifier">starting</span><span class="ruby-operator">..</span><span class="ruby-identifier">ending</span>),<span class="ruby-identifier">flags</span>,<span class="ruby-identifier">destination_socket_address</span>,<span class="ruby-identifier">controls</span>) <span class="ruby-keyword">or</span> <span class="ruby-ivar">@remote_closed</span>=<span class="ruby-keyword">true</span>
|
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<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-keyword">break</span>
|
|
<span class="ruby-keyword">else</span>
|
|
<span class="ruby-ivar">@write_latency</span> = <span class="ruby-identifier">reading</span>[<span class="ruby-value">:reading</span>]
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">starting</span> = <span class="ruby-identifier">ending</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>
|
|
<span class="ruby-identifier">ending</span> = (<span class="ruby-identifier">starting</span> <span class="ruby-operator">+</span> (<span class="ruby-identifier">buffer_size</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>))
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">ending</span> <span class="ruby-operator">></span> <span class="ruby-identifier">total</span>
|
|
<span class="ruby-identifier">ending</span> = <span class="ruby-identifier">ending</span> <span class="ruby-operator">-</span> (<span class="ruby-identifier">ending</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">total</span>)
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@remote_closed</span>
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EPIPE</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-comment">#</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-identifier">written_bytes</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span>
|
|
<span class="ruby-keyword">end</span></pre>
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</div>
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</div>
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