abstractpollingioconnector.html

MINA+API 关于MINA的API

<a name="257" href="#257">257</a>                     <em class="jxr_comment">// Forward the remaining process to the IoProcessor.</em>
<a name="258" href="#258">258</a>                     session.getProcessor().add(session);
<a name="259" href="#259">259</a>                     nHandles ++;
<a name="260" href="#260">260</a>                 }
<a name="261" href="#261">261</a>                 success = <strong class="jxr_keyword">true</strong>;
<a name="262" href="#262">262</a>             } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="263" href="#263">263</a>                 entry.setException(e);
<a name="264" href="#264">264</a>             } <strong class="jxr_keyword">finally</strong> {
<a name="265" href="#265">265</a>                 <strong class="jxr_keyword">if</strong> (!success) {
<a name="266" href="#266">266</a>                     cancelQueue.offer(entry);
<a name="267" href="#267">267</a>                 }
<a name="268" href="#268">268</a>             }
<a name="269" href="#269">269</a>         }
<a name="270" href="#270">270</a>         <strong class="jxr_keyword">return</strong> nHandles;
<a name="271" href="#271">271</a>     }
<a name="272" href="#272">272</a> 
<a name="273" href="#273">273</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> processTimedOutSessions(Iterator&lt;H&gt; handles) {
<a name="274" href="#274">274</a>         <strong class="jxr_keyword">long</strong> currentTime = System.currentTimeMillis();
<a name="275" href="#275">275</a> 
<a name="276" href="#276">276</a>         <strong class="jxr_keyword">while</strong> (handles.hasNext()) {
<a name="277" href="#277">277</a>             H handle = handles.next();
<a name="278" href="#278">278</a>             <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> entry = connectionRequest(handle);
<a name="279" href="#279">279</a> 
<a name="280" href="#280">280</a>             <strong class="jxr_keyword">if</strong> (currentTime &gt;= entry.deadline) {
<a name="281" href="#281">281</a>                 entry.setException(
<a name="282" href="#282">282</a>                         <strong class="jxr_keyword">new</strong> ConnectException(<span class="jxr_string">"Connection timed out."</span>));
<a name="283" href="#283">283</a>                 cancelQueue.offer(entry);
<a name="284" href="#284">284</a>             }
<a name="285" href="#285">285</a>         }
<a name="286" href="#286">286</a>     }
<a name="287" href="#287">287</a> 
<a name="288" href="#288">288</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/mina/common/AbstractPollingConnectionlessIoAcceptor.html">Worker</a> implements Runnable {
<a name="289" href="#289">289</a> 
<a name="290" href="#290">290</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
<a name="291" href="#291">291</a>             <strong class="jxr_keyword">int</strong> nHandles = 0;
<a name="292" href="#292">292</a>             <strong class="jxr_keyword">while</strong> (selectable) {
<a name="293" href="#293">293</a>                 <strong class="jxr_keyword">try</strong> {
<a name="294" href="#294">294</a>                     <strong class="jxr_keyword">boolean</strong> selected = select(1000);
<a name="295" href="#295">295</a> 
<a name="296" href="#296">296</a>                     nHandles += registerNew();
<a name="297" href="#297">297</a> 
<a name="298" href="#298">298</a>                     <strong class="jxr_keyword">if</strong> (selected) {
<a name="299" href="#299">299</a>                         nHandles -= processSessions(selectedHandles());
<a name="300" href="#300">300</a>                     }
<a name="301" href="#301">301</a> 
<a name="302" href="#302">302</a>                     processTimedOutSessions(allHandles());
<a name="303" href="#303">303</a> 
<a name="304" href="#304">304</a>                     nHandles -= cancelKeys();
<a name="305" href="#305">305</a> 
<a name="306" href="#306">306</a>                     <strong class="jxr_keyword">if</strong> (nHandles == 0) {
<a name="307" href="#307">307</a>                         <strong class="jxr_keyword">synchronized</strong> (lock) {
<a name="308" href="#308">308</a>                             <strong class="jxr_keyword">if</strong> (connectQueue.isEmpty()) {
<a name="309" href="#309">309</a>                                 worker = <strong class="jxr_keyword">null</strong>;
<a name="310" href="#310">310</a>                                 <strong class="jxr_keyword">break</strong>;
<a name="311" href="#311">311</a>                             }
<a name="312" href="#312">312</a>                         }
<a name="313" href="#313">313</a>                     }
<a name="314" href="#314">314</a>                 } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="315" href="#315">315</a>                     ExceptionMonitor.getInstance().exceptionCaught(e);
<a name="316" href="#316">316</a> 
<a name="317" href="#317">317</a>                     <strong class="jxr_keyword">try</strong> {
<a name="318" href="#318">318</a>                         Thread.sleep(1000);
<a name="319" href="#319">319</a>                     } <strong class="jxr_keyword">catch</strong> (InterruptedException e1) {
<a name="320" href="#320">320</a>                         ExceptionMonitor.getInstance().exceptionCaught(e1);
<a name="321" href="#321">321</a>                     }
<a name="322" href="#322">322</a>                 }
<a name="323" href="#323">323</a>             }
<a name="324" href="#324">324</a>             
<a name="325" href="#325">325</a>             <strong class="jxr_keyword">if</strong> (selectable &amp;&amp; isDisposing()) {
<a name="326" href="#326">326</a>                 selectable = false;
<a name="327" href="#327">327</a>                 <strong class="jxr_keyword">try</strong> {
<a name="328" href="#328">328</a>                     <strong class="jxr_keyword">if</strong> (createdProcessor) {
<a name="329" href="#329">329</a>                         processor.dispose();
<a name="330" href="#330">330</a>                     }
<a name="331" href="#331">331</a>                 } <strong class="jxr_keyword">finally</strong> {
<a name="332" href="#332">332</a>                     <strong class="jxr_keyword">try</strong> {
<a name="333" href="#333">333</a>                         destroy();
<a name="334" href="#334">334</a>                     } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="335" href="#335">335</a>                         ExceptionMonitor.getInstance().exceptionCaught(e);
<a name="336" href="#336">336</a>                     } <strong class="jxr_keyword">finally</strong> {
<a name="337" href="#337">337</a>                         disposalFuture.setDone();
<a name="338" href="#338">338</a>                         <strong class="jxr_keyword">if</strong> (createdExecutor) {
<a name="339" href="#339">339</a>                             ((ExecutorService) executor).shutdown();
<a name="340" href="#340">340</a>                         }
<a name="341" href="#341">341</a>                     }
<a name="342" href="#342">342</a>                 }
<a name="343" href="#343">343</a>             }
<a name="344" href="#344">344</a>         }
<a name="345" href="#345">345</a>     }
<a name="346" href="#346">346</a> 
<a name="347" href="#347">347</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/mina/common/DefaultConnectFuture.html">DefaultConnectFuture</a> {
<a name="348" href="#348">348</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> H handle;
<a name="349" href="#349">349</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> deadline;
<a name="350" href="#350">350</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IoSessionInitializer&lt;? <strong class="jxr_keyword">extends</strong> ConnectFuture&gt; sessionInitializer;
<a name="351" href="#351">351</a> 
<a name="352" href="#352">352</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a>(H handle, IoSessionInitializer&lt;? <strong class="jxr_keyword">extends</strong> ConnectFuture&gt; callback) {
<a name="353" href="#353">353</a>             <strong class="jxr_keyword">this</strong>.handle = handle;
<a name="354" href="#354">354</a>             <strong class="jxr_keyword">long</strong> timeout = getConnectTimeoutMillis();
<a name="355" href="#355">355</a>             <strong class="jxr_keyword">if</strong> (timeout &lt;= 0L) {
<a name="356" href="#356">356</a>                 <strong class="jxr_keyword">this</strong>.deadline = Long.MAX_VALUE;
<a name="357" href="#357">357</a>             } <strong class="jxr_keyword">else</strong> {
<a name="358" href="#358">358</a>                 <strong class="jxr_keyword">this</strong>.deadline = System.currentTimeMillis() + timeout;
<a name="359" href="#359">359</a>             }
<a name="360" href="#360">360</a>             <strong class="jxr_keyword">this</strong>.sessionInitializer = callback;
<a name="361" href="#361">361</a>         }
<a name="362" href="#362">362</a> 
<a name="363" href="#363">363</a>         <strong class="jxr_keyword">public</strong> H getHandle() {
<a name="364" href="#364">364</a>             <strong class="jxr_keyword">return</strong> handle;
<a name="365" href="#365">365</a>         }
<a name="366" href="#366">366</a> 
<a name="367" href="#367">367</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getDeadline() {
<a name="368" href="#368">368</a>             <strong class="jxr_keyword">return</strong> deadline;
<a name="369" href="#369">369</a>         }
<a name="370" href="#370">370</a> 
<a name="371" href="#371">371</a>         <strong class="jxr_keyword">public</strong> IoSessionInitializer&lt;? <strong class="jxr_keyword">extends</strong> ConnectFuture&gt; getSessionInitializer() {
<a name="372" href="#372">372</a>             <strong class="jxr_keyword">return</strong> sessionInitializer;
<a name="373" href="#373">373</a>         }
<a name="374" href="#374">374</a>         
<a name="375" href="#375">375</a>         @Override
<a name="376" href="#376">376</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> cancel() {
<a name="377" href="#377">377</a>             <strong class="jxr_keyword">super</strong>.cancel();
<a name="378" href="#378">378</a>             cancelQueue.add(<strong class="jxr_keyword">this</strong>);
<a name="379" href="#379">379</a>             startupWorker();
<a name="380" href="#380">380</a>             wakeup();
<a name="381" href="#381">381</a>         }
<a name="382" href="#382">382</a>     }
<a name="383" href="#383">383</a> }
</pre>
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