abstractpollingioconnector.html

MINA+API 关于MINA的API

<a name="124" href="#124">124</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> Iterator&lt;H&gt; selectedHandles();
<a name="125" href="#125">125</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> Iterator&lt;H&gt; allHandles();
<a name="126" href="#126">126</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> register(H handle, <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> request) <strong class="jxr_keyword">throws</strong> Exception;
<a name="127" href="#127">127</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> connectionRequest(H handle);
<a name="128" href="#128">128</a> 
<a name="129" href="#129">129</a>     @Override
<a name="130" href="#130">130</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/IoFuture.html">IoFuture</a> dispose0() <strong class="jxr_keyword">throws</strong> Exception {
<a name="131" href="#131">131</a>         <strong class="jxr_keyword">if</strong> (!disposalFuture.isDone()) {
<a name="132" href="#132">132</a>             <strong class="jxr_keyword">try</strong> {
<a name="133" href="#133">133</a>                 startupWorker();
<a name="134" href="#134">134</a>                 wakeup();
<a name="135" href="#135">135</a>             } <strong class="jxr_keyword">catch</strong> (RejectedExecutionException e) {
<a name="136" href="#136">136</a>                 <strong class="jxr_keyword">if</strong> (createdExecutor) {
<a name="137" href="#137">137</a>                     <em class="jxr_comment">// Ignore.</em>
<a name="138" href="#138">138</a>                 } <strong class="jxr_keyword">else</strong> {
<a name="139" href="#139">139</a>                     <strong class="jxr_keyword">throw</strong> e;
<a name="140" href="#140">140</a>                 }
<a name="141" href="#141">141</a>             }
<a name="142" href="#142">142</a>         }
<a name="143" href="#143">143</a>         <strong class="jxr_keyword">return</strong> disposalFuture;
<a name="144" href="#144">144</a>     }
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>     @Override
<a name="147" href="#147">147</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="148" href="#148">148</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/ConnectFuture.html">ConnectFuture</a> connect0(
<a name="149" href="#149">149</a>             SocketAddress remoteAddress, SocketAddress localAddress,
<a name="150" href="#150">150</a>             IoSessionInitializer&lt;? <strong class="jxr_keyword">extends</strong> ConnectFuture&gt; sessionInitializer) {
<a name="151" href="#151">151</a>         H handle = <strong class="jxr_keyword">null</strong>;
<a name="152" href="#152">152</a>         <strong class="jxr_keyword">boolean</strong> success = false;
<a name="153" href="#153">153</a>         <strong class="jxr_keyword">try</strong> {
<a name="154" href="#154">154</a>             handle = newHandle(localAddress);
<a name="155" href="#155">155</a>             <strong class="jxr_keyword">if</strong> (connect(handle, remoteAddress)) {
<a name="156" href="#156">156</a>                 <a href="../../../../org/apache/mina/common/ConnectFuture.html">ConnectFuture</a> future = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/DefaultConnectFuture.html">DefaultConnectFuture</a>();
<a name="157" href="#157">157</a>                 T session = newSession(processor, handle);
<a name="158" href="#158">158</a>                 finishSessionInitialization(session, future, sessionInitializer);
<a name="159" href="#159">159</a>                 <em class="jxr_comment">// Forward the remaining process to the IoProcessor.</em>
<a name="160" href="#160">160</a>                 session.getProcessor().add(session);
<a name="161" href="#161">161</a>                 success = <strong class="jxr_keyword">true</strong>;
<a name="162" href="#162">162</a>                 <strong class="jxr_keyword">return</strong> future;
<a name="163" href="#163">163</a>             }
<a name="164" href="#164">164</a> 
<a name="165" href="#165">165</a>             success = <strong class="jxr_keyword">true</strong>;
<a name="166" href="#166">166</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="167" href="#167">167</a>             <strong class="jxr_keyword">return</strong> DefaultConnectFuture.newFailedFuture(e);
<a name="168" href="#168">168</a>         } <strong class="jxr_keyword">finally</strong> {
<a name="169" href="#169">169</a>             <strong class="jxr_keyword">if</strong> (!success &amp;&amp; handle != <strong class="jxr_keyword">null</strong>) {
<a name="170" href="#170">170</a>                 <strong class="jxr_keyword">try</strong> {
<a name="171" href="#171">171</a>                     close(handle);
<a name="172" href="#172">172</a>                 } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="173" href="#173">173</a>                     ExceptionMonitor.getInstance().exceptionCaught(e);
<a name="174" href="#174">174</a>                 }
<a name="175" href="#175">175</a>             }
<a name="176" href="#176">176</a>         }
<a name="177" href="#177">177</a> 
<a name="178" href="#178">178</a>         <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a>(handle, sessionInitializer);
<a name="179" href="#179">179</a>         connectQueue.add(request);
<a name="180" href="#180">180</a>         startupWorker();
<a name="181" href="#181">181</a>         wakeup();
<a name="182" href="#182">182</a> 
<a name="183" href="#183">183</a>         <strong class="jxr_keyword">return</strong> request;
<a name="184" href="#184">184</a>     }
<a name="185" href="#185">185</a> 
<a name="186" href="#186">186</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> startupWorker() {
<a name="187" href="#187">187</a>         <strong class="jxr_keyword">if</strong> (!selectable) {
<a name="188" href="#188">188</a>             connectQueue.clear();
<a name="189" href="#189">189</a>             cancelQueue.clear();
<a name="190" href="#190">190</a>         }
<a name="191" href="#191">191</a> 
<a name="192" href="#192">192</a>         <strong class="jxr_keyword">synchronized</strong> (lock) {
<a name="193" href="#193">193</a>             <strong class="jxr_keyword">if</strong> (worker == <strong class="jxr_keyword">null</strong>) {
<a name="194" href="#194">194</a>                 worker = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/AbstractPollingConnectionlessIoAcceptor.html">Worker</a>();
<a name="195" href="#195">195</a>                 executor.execute(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/util/NamePreservingRunnable.html">NamePreservingRunnable</a>(worker, threadName));
<a name="196" href="#196">196</a>             }
<a name="197" href="#197">197</a>         }
<a name="198" href="#198">198</a>     }
<a name="199" href="#199">199</a> 
<a name="200" href="#200">200</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> registerNew() {
<a name="201" href="#201">201</a>         <strong class="jxr_keyword">int</strong> nHandles = 0;
<a name="202" href="#202">202</a>         <strong class="jxr_keyword">for</strong> (; ;) {
<a name="203" href="#203">203</a>             <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> req = connectQueue.poll();
<a name="204" href="#204">204</a>             <strong class="jxr_keyword">if</strong> (req == <strong class="jxr_keyword">null</strong>) {
<a name="205" href="#205">205</a>                 <strong class="jxr_keyword">break</strong>;
<a name="206" href="#206">206</a>             }
<a name="207" href="#207">207</a> 
<a name="208" href="#208">208</a>             H handle = req.handle;
<a name="209" href="#209">209</a>             <strong class="jxr_keyword">try</strong> {
<a name="210" href="#210">210</a>                 register(handle, req);
<a name="211" href="#211">211</a>                 nHandles ++;
<a name="212" href="#212">212</a>             } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="213" href="#213">213</a>                 req.setException(e);
<a name="214" href="#214">214</a>                 <strong class="jxr_keyword">try</strong> {
<a name="215" href="#215">215</a>                     close(handle);
<a name="216" href="#216">216</a>                 } <strong class="jxr_keyword">catch</strong> (Exception e2) {
<a name="217" href="#217">217</a>                     ExceptionMonitor.getInstance().exceptionCaught(e2);
<a name="218" href="#218">218</a>                 }
<a name="219" href="#219">219</a>             }
<a name="220" href="#220">220</a>         }
<a name="221" href="#221">221</a>         <strong class="jxr_keyword">return</strong> nHandles;
<a name="222" href="#222">222</a>     }
<a name="223" href="#223">223</a> 
<a name="224" href="#224">224</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> cancelKeys() {
<a name="225" href="#225">225</a>         <strong class="jxr_keyword">int</strong> nHandles = 0;
<a name="226" href="#226">226</a>         <strong class="jxr_keyword">for</strong> (; ;) {
<a name="227" href="#227">227</a>             <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> req = cancelQueue.poll();
<a name="228" href="#228">228</a>             <strong class="jxr_keyword">if</strong> (req == <strong class="jxr_keyword">null</strong>) {
<a name="229" href="#229">229</a>                 <strong class="jxr_keyword">break</strong>;
<a name="230" href="#230">230</a>             }
<a name="231" href="#231">231</a> 
<a name="232" href="#232">232</a>             H handle = req.handle;
<a name="233" href="#233">233</a>             <strong class="jxr_keyword">try</strong> {
<a name="234" href="#234">234</a>                 close(handle);
<a name="235" href="#235">235</a>             } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="236" href="#236">236</a>                 ExceptionMonitor.getInstance().exceptionCaught(e);
<a name="237" href="#237">237</a>             } <strong class="jxr_keyword">finally</strong> {
<a name="238" href="#238">238</a>                 nHandles ++;
<a name="239" href="#239">239</a>             }
<a name="240" href="#240">240</a>         }
<a name="241" href="#241">241</a>         <strong class="jxr_keyword">return</strong> nHandles;
<a name="242" href="#242">242</a>     }
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="245" href="#245">245</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> processSessions(Iterator&lt;H&gt; handlers) {
<a name="246" href="#246">246</a>         <strong class="jxr_keyword">int</strong> nHandles = 0;
<a name="247" href="#247">247</a>         <strong class="jxr_keyword">while</strong> (handlers.hasNext()) {
<a name="248" href="#248">248</a>             H handle = handlers.next();
<a name="249" href="#249">249</a>             handlers.remove();
<a name="250" href="#250">250</a> 
<a name="251" href="#251">251</a>             <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> entry = connectionRequest(handle);
<a name="252" href="#252">252</a>             <strong class="jxr_keyword">boolean</strong> success = false;
<a name="253" href="#253">253</a>             <strong class="jxr_keyword">try</strong> {
<a name="254" href="#254">254</a>                 <strong class="jxr_keyword">if</strong> (finishConnect(handle)) {
<a name="255" href="#255">255</a>                     T session = newSession(processor, handle);
<a name="256" href="#256">256</a>                     finishSessionInitialization(session, entry, entry.getSessionInitializer());