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<a name="1" href="#1">1</a> <em class="comment">/*</em>
<a name="2" href="#2">2</a> <em class="comment"> * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/test/org/apache/commons/httpclient/TestHttpConnectionManager.java,v 1.23 2004/07/17 18:58:33 mbecke Exp $</em>
<a name="3" href="#3">3</a> <em class="comment"> * $Revision: 509320 $</em>
<a name="4" href="#4">4</a> <em class="comment"> * $Date: 2007-02-19 20:52:43 +0100 (Mon, 19 Feb 2007) $</em>
<a name="5" href="#5">5</a> <em class="comment"> * ====================================================================</em>
<a name="6" href="#6">6</a> <em class="comment"> *</em>
<a name="7" href="#7">7</a> <em class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a name="8" href="#8">8</a> <em class="comment"> * contributor license agreements. See the NOTICE file distributed with</em>
<a name="9" href="#9">9</a> <em class="comment"> * this work for additional information regarding copyright ownership.</em>
<a name="10" href="#10">10</a> <em class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="11" href="#11">11</a> <em class="comment"> * (the "License"); you may not use this file except in compliance with</em>
<a name="12" href="#12">12</a> <em class="comment"> * the License. You may obtain a copy of the License at</em>
<a name="13" href="#13">13</a> <em class="comment"> *</em>
<a name="14" href="#14">14</a> <em class="comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="15" href="#15">15</a> <em class="comment"> *</em>
<a name="16" href="#16">16</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="17" href="#17">17</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="18" href="#18">18</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="19" href="#19">19</a> <em class="comment"> * See the License for the specific language governing permissions and</em>
<a name="20" href="#20">20</a> <em class="comment"> * limitations under the License.</em>
<a name="21" href="#21">21</a> <em class="comment"> * ====================================================================</em>
<a name="22" href="#22">22</a> <em class="comment"> *</em>
<a name="23" href="#23">23</a> <em class="comment"> * This software consists of voluntary contributions made by many</em>
<a name="24" href="#24">24</a> <em class="comment"> * individuals on behalf of the Apache Software Foundation. For more</em>
<a name="25" href="#25">25</a> <em class="comment"> * information on the Apache Software Foundation, please see</em>
<a name="26" href="#26">26</a> <em class="comment"> * <<a href="http://www.apache.org/" target="alexandria_uri">http://www.apache.org/</a>>.</em>
<a name="27" href="#27">27</a> <em class="comment"> */</em>
<a name="28" href="#28">28</a>
<a name="29" href="#29">29</a> <strong>package</strong> org.apache.commons.httpclient;
<a name="30" href="#30">30</a>
<a name="31" href="#31">31</a> <strong>import</strong> java.io.IOException;
<a name="32" href="#32">32</a> <strong>import</strong> java.lang.ref.WeakReference;
<a name="33" href="#33">33</a> <strong>import</strong> java.net.InetAddress;
<a name="34" href="#34">34</a> <strong>import</strong> java.net.Socket;
<a name="35" href="#35">35</a> <strong>import</strong> java.net.UnknownHostException;
<a name="36" href="#36">36</a>
<a name="37" href="#37">37</a> <strong>import</strong> junit.framework.Test;
<a name="38" href="#38">38</a> <strong>import</strong> junit.framework.TestSuite;
<a name="39" href="#39">39</a>
<a name="40" href="#40">40</a> <strong>import</strong> org.apache.commons.httpclient.methods.GetMethod;
<a name="41" href="#41">41</a> <strong>import</strong> org.apache.commons.httpclient.params.HttpConnectionManagerParams;
<a name="42" href="#42">42</a> <strong>import</strong> org.apache.commons.httpclient.params.HttpConnectionParams;
<a name="43" href="#43">43</a> <strong>import</strong> org.apache.commons.httpclient.protocol.Protocol;
<a name="44" href="#44">44</a> <strong>import</strong> org.apache.commons.httpclient.protocol.ProtocolSocketFactory;
<a name="45" href="#45">45</a> <strong>import</strong> org.apache.commons.httpclient.protocol.SecureProtocolSocketFactory;
<a name="46" href="#46">46</a> <strong>import</strong> org.apache.commons.httpclient.server.SimpleRequest;
<a name="47" href="#47">47</a> <strong>import</strong> org.apache.commons.httpclient.server.SimpleResponse;
<a name="48" href="#48">48</a>
<a name="49" href="#49">49</a> <em>/**</em>
<a name="50" href="#50">50</a> <em> * Unit tests for {@link HttpConnectionManager}.</em>
<a name="51" href="#51">51</a> <em> *</em>
<a name="52" href="#52">52</a> <em> * @author Marc A. Saegesser</em>
<a name="53" href="#53">53</a> <em> * @version $Id: TestHttpConnectionManager.java 509320 2007-02-19 19:52:43Z mbecke $</em>
<a name="54" href="#54">54</a> <em> */</em>
<a name="55" href="#55">55</a> <strong>public</strong> <strong>class</strong> <a href="../../../../org/apache/commons/httpclient/TestHttpConnectionManager.html">TestHttpConnectionManager</a> <strong>extends</strong> <a href="../../../../org/apache/commons/httpclient/HttpClientTestBase.html">HttpClientTestBase</a> {
<a name="56" href="#56">56</a>
<a name="57" href="#57">57</a> <em class="comment">// ------------------------------------------------------------ Constructor</em>
<a name="58" href="#58">58</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/TestHttpConnectionManager.html">TestHttpConnectionManager</a>(String testName) throws IOException {
<a name="59" href="#59">59</a> <strong>super</strong>(testName);
<a name="60" href="#60">60</a> }
<a name="61" href="#61">61</a>
<a name="62" href="#62">62</a> <em class="comment">// ------------------------------------------------------------------- Main</em>
<a name="63" href="#63">63</a> <strong>public</strong> <strong>static</strong> <strong>void</strong> main(String args[]) {
<a name="64" href="#64">64</a> String[] testCaseName = { TestHttpConnectionManager.<strong>class</strong>.getName() };
<a name="65" href="#65">65</a> junit.textui.TestRunner.main(testCaseName);
<a name="66" href="#66">66</a> }
<a name="67" href="#67">67</a>
<a name="68" href="#68">68</a> <em class="comment">// ------------------------------------------------------- TestCase Methods</em>
<a name="69" href="#69">69</a>
<a name="70" href="#70">70</a> <strong>public</strong> <strong>static</strong> Test suite() {
<a name="71" href="#71">71</a> <strong>return</strong> <strong>new</strong> TestSuite(TestHttpConnectionManager.<strong>class</strong>);
<a name="72" href="#72">72</a> }
<a name="73" href="#73">73</a>
<a name="74" href="#74">74</a>
<a name="75" href="#75">75</a> <em class="comment">// ----------------------------------------------------------- Test Methods</em>
<a name="76" href="#76">76</a>
<a name="77" href="#77">77</a> <em>/**</em>
<a name="78" href="#78">78</a> <em> * Test that the ConnectMethod correctly releases connections when</em>
<a name="79" href="#79">79</a> <em> * CONNECT fails.</em>
<a name="80" href="#80">80</a> <em> */</em>
<a name="81" href="#81">81</a> <strong>public</strong> <strong>void</strong> testConnectMethodFailureRelease() throws Exception {
<a name="82" href="#82">82</a>
<a name="83" href="#83">83</a> MultiThreadedHttpConnectionManager mgr = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="84" href="#84">84</a> mgr.getParams().setIntParameter(
<a name="85" href="#85">85</a> HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS, 1);
<a name="86" href="#86">86</a> client.setHttpConnectionManager(mgr);
<a name="87" href="#87">87</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> RejectConnectService());
<a name="88" href="#88">88</a>
<a name="89" href="#89">89</a> <em class="comment">// we're going to execute a connect method against the localhost, assuming</em>
<a name="90" href="#90">90</a> <em class="comment">// that CONNECT is not supported. This should test the fakeResponse()</em>
<a name="91" href="#91">91</a> <em class="comment">// code on HttpMethodBase.</em>
<a name="92" href="#92">92</a> client.getHostConfiguration().setProxy(server.getLocalAddress(), server.getLocalPort());
<a name="93" href="#93">93</a> <em class="comment">// we must set the host to a secure destination or the CONNECT method</em>
<a name="94" href="#94">94</a> <em class="comment">// will not be used</em>
<a name="95" href="#95">95</a> client.getHostConfiguration().setHost(
<a name="96" href="#96">96</a> <span class="string">"notARealHost"</span>,
<a name="97" href="#97">97</a> 1234,
<a name="98" href="#98">98</a> <strong>new</strong> Protocol(
<a name="99" href="#99">99</a> <span class="string">"https"</span>,
<a name="100" href="#100">100</a> (ProtocolSocketFactory)<strong>new</strong> FakeSecureProtocolSocketFactory(),
<a name="101" href="#101">101</a> 443)
<a name="102" href="#102">102</a> );
<a name="103" href="#103">103</a>
<a name="104" href="#104">104</a> GetMethod get = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="105" href="#105">105</a> <strong>try</strong> {
<a name="106" href="#106">106</a> assertTrue(client.executeMethod(get) != 200);
<a name="107" href="#107">107</a> } <strong>catch</strong> (IOException e) {
<a name="108" href="#108">108</a> e.printStackTrace();
<a name="109" href="#109">109</a> fail(<span class="string">"Error executing connect: "</span> + e);
<a name="110" href="#110">110</a> }
<a name="111" href="#111">111</a>
<a name="112" href="#112">112</a> <em class="comment">// this should calling releaseConnection() releases the connection</em>
<a name="113" href="#113">113</a> <strong>try</strong> {
<a name="114" href="#114">114</a> get.releaseConnection();
<a name="115" href="#115">115</a> mgr.getConnectionWithTimeout(client.getHostConfiguration(), 1).releaseConnection();
<a name="116" href="#116">116</a> } <strong>catch</strong> (ConnectTimeoutException e1) {
<a name="117" href="#117">117</a> fail(<span class="string">"Connection should have been available."</span>);
<a name="118" href="#118">118</a> }
<a name="119" href="#119">119</a>
<a name="120" href="#120">120</a> get = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="121" href="#121">121</a>
<a name="122" href="#122">122</a> <strong>try</strong> {
<a name="123" href="#123">123</a> assertTrue(client.executeMethod(get) != 200);
<a name="124" href="#124">124</a> } <strong>catch</strong> (IOException e) {
<a name="125" href="#125">125</a> e.printStackTrace();
<a name="126" href="#126">126</a> fail(<span class="string">"Error executing connect: "</span> + e);
<a name="127" href="#127">127</a> }
<a name="128" href="#128">128</a>
<a name="129" href="#129">129</a> <em class="comment">// make sure reading the response fully releases the connection </em>
<a name="130" href="#130">130</a> <strong>try</strong> {
<a name="131" href="#131">131</a> get.getResponseBodyAsString();
<a name="132" href="#132">132</a> mgr.getConnectionWithTimeout(client.getHostConfiguration(), 1).releaseConnection();
<a name="133" href="#133">133</a> } <strong>catch</strong> (ConnectTimeoutException e1) {
<a name="134" href="#134">134</a> fail(<span class="string">"Connection should have been available."</span>);
<a name="135" href="#135">135</a> }
<a name="136" href="#136">136</a>
<a name="137" href="#137">137</a> get = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="138" href="#138">138</a>
<a name="139" href="#139">139</a> <strong>try</strong> {
<a name="140" href="#140">140</a> assertTrue(client.executeMethod(get) != 200);
<a name="141" href="#141">141</a> } <strong>catch</strong> (IOException e) {
<a name="142" href="#142">142</a> e.printStackTrace();
<a name="143" href="#143">143</a> fail(<span class="string">"Error executing connect: "</span> + e);
<a name="144" href="#144">144</a> }
<a name="145" href="#145">145</a>
<a name="146" href="#146">146</a> <em class="comment">// make sure closing the output stream releases the connection </em>
<a name="147" href="#147">147</a> <strong>try</strong> {
<a name="148" href="#148">148</a> get.getResponseBodyAsStream().close();
<a name="149" href="#149">149</a> mgr.getConnectionWithTimeout(client.getHostConfiguration(), 1).releaseConnection();
<a name="150" href="#150">150</a> } <strong>catch</strong> (ConnectTimeoutException e) {
<a name="151" href="#151">151</a> fail(<span class="string">"Connection should have been available."</span>);
<a name="152" href="#152">152</a> } <strong>catch</strong> (IOException e) {
<a name="153" href="#153">153</a> e.printStackTrace();
<a name="154" href="#154">154</a> fail(<span class="string">"Close connection failed: "</span> + e);
<a name="155" href="#155">155</a> }
<a name="156" href="#156">156</a> }
<a name="157" href="#157">157</a>
<a name="158" href="#158">158</a> <strong>public</strong> <strong>void</strong> testGetConnection() {
<a name="159" href="#159">159</a> MultiThreadedHttpConnectionManager mgr = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="160" href="#160">160</a>
<a name="161" href="#161">161</a> HostConfiguration hostConfiguration = <strong>new</strong> HostConfiguration();
<a name="162" href="#162">162</a> hostConfiguration.setHost(<span class="string">"www.nosuchserver.com"</span>, 80, <span class="string">"http"</span>);
<a name="163" href="#163">163</a>
<a name="164" href="#164">164</a> <em class="comment">// Create a new connection</em>
<a name="165" href="#165">165</a> HttpConnection conn = mgr.getConnection(hostConfiguration);
<a name="166" href="#166">166</a> <em class="comment">// Validate the connection properties</em>
<a name="167" href="#167">167</a> assertEquals(<span class="string">"Host"</span>, <span class="string">"www.nosuchserver.com"</span>, conn.getHost());
<a name="168" href="#168">168</a> assertEquals(<span class="string">"Port"</span>, 80, conn.getPort());
<a name="169" href="#169">169</a> <em class="comment">// Release the connection</em>
<a name="170" href="#170">170</a> mgr.releaseConnection(conn);
<a name="171" href="#171">171</a>
<a name="172" href="#172">172</a> <em class="comment">// Create a new connection</em>
<a name="173" href="#173">173</a> hostConfiguration.setHost(<span class="string">"www.nosuchserver.com"</span>, -1, <span class="string">"https"</span>);
<a name="174" href="#174">174</a> conn = mgr.getConnection(hostConfiguration);
<a name="175" href="#175">175</a> <em class="comment">// Validate the connection properties</em>
<a name="176" href="#176">176</a> assertEquals(<span class="string">"Host"</span>, <span class="string">"www.nosuchserver.com"</span>, conn.getHost());
<a name="177" href="#177">177</a> assertEquals(<span class="string">"Port"</span>, 443, conn.getPort());
<a name="178" href="#178">178</a> <em class="comment">// Release the connection</em>
<a name="179" href="#179">179</a> mgr.releaseConnection(conn);
<a name="180" href="#180">180</a>
<a name="181" href="#181">181</a> <em class="comment">// Create a new connection</em>
<a name="182" href="#182">182</a> hostConfiguration.setHost(<span class="string">"www.nowhere.org"</span>, 8080, <span class="string">"http"</span>);
<a name="183" href="#183">183</a> conn = mgr.getConnection(hostConfiguration);
<a name="184" href="#184">184</a> <em class="comment">// Validate the connection properties</em>
<a name="185" href="#185">185</a> assertEquals(<span class="string">"Host"</span>, <span class="string">"www.nowhere.org"</span>, conn.getHost());
<a name="186" href="#186">186</a> assertEquals(<span class="string">"Port"</span>, 8080, conn.getPort());
<a name="187" href="#187">187</a> <em class="comment">// Release the connection</em>
<a name="188" href="#188">188</a> mgr.releaseConnection(conn);
<a name="189" href="#189">189</a>
<a name="190" href="#190">190</a> }
<a name="191" href="#191">191</a>
<a name="192" href="#192">192</a> <strong>public</strong> <strong>void</strong> testDroppedThread() throws Exception {
<a name="193" href="#193">193</a>
<a name="194" href="#194">194</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="195" href="#195">195</a>
<a name="196" href="#196">196</a> MultiThreadedHttpConnectionManager mthcm = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="197" href="#197">197</a> client.setHttpConnectionManager(mthcm);
<a name="198" href="#198">198</a> WeakReference wr = <strong>new</strong> WeakReference(mthcm);
<a name="199" href="#199">199</a>
<a name="200" href="#200">200</a> GetMethod method = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="201" href="#201">201</a> client.executeMethod(method);
<a name="202" href="#202">202</a> method.releaseConnection();
<a name="203" href="#203">203</a>
<a name="204" href="#204">204</a> mthcm = <strong>null</strong>;
<a name="205" href="#205">205</a> client = <strong>null</strong>;
<a name="206" href="#206">206</a> method = <strong>null</strong>;
<a name="207" href="#207">207</a>
<a name="208" href="#208">208</a> System.gc();
<a name="209" href="#209">209</a>
<a name="210" href="#210">210</a> <em class="comment">// this sleep appears to be necessary in order to give the JVM</em>
<a name="211" href="#211">211</a> <em class="comment">// time to clean up the miscellaneous pointers to the connection manager</em>
<a name="212" href="#212">212</a> <strong>try</strong> {
<a name="213" href="#213">213</a> Thread.sleep(1000);
<a name="214" href="#214">214</a> } <strong>catch</strong> (InterruptedException e) {
<a name="215" href="#215">215</a> fail(<span class="string">"shouldn't be interrupted."</span>);
<a name="216" href="#216">216</a> }
<a name="217" href="#217">217</a>
<a name="218" href="#218">218</a> Object connectionManager = wr.get();
<a name="219" href="#219">219</a> assertNull(<span class="string">"connectionManager should be null"</span>, connectionManager);
<a name="220" href="#220">220</a> }
<a name="221" href="#221">221</a>
<a name="222" href="#222">222</a> <strong>public</strong> <strong>void</strong> testWriteRequestReleaseConnection() {
<a name="223" href="#223">223</a>
<a name="224" href="#224">224</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="225" href="#225">225</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="226" href="#226">226</a>
<a name="227" href="#227">227</a> client.setHttpConnectionManager(connectionManager);
<a name="228" href="#228">228</a>
<a name="229" href="#229">229</a> GetMethod get = <strong>new</strong> GetMethod(<span class="string">"/"</span>) {
<a name="230" href="#230">230</a> <strong>protected</strong> <strong>boolean</strong> writeRequestBody(HttpState state, HttpConnection conn)
<a name="231" href="#231">231</a> throws IOException, HttpException {
<a name="232" href="#232">232</a> <strong>throw</strong> <strong>new</strong> IOException(<span class="string">"Oh no!!"</span>);
<a name="233" href="#233">233</a> }
<a name="234" href="#234">234</a> };
<a name="235" href="#235">235</a>
<a name="236" href="#236">236</a> <strong>try</strong> {
<a name="237" href="#237">237</a> client.executeMethod(get);
<a name="238" href="#238">238</a> fail(<span class="string">"An exception should have occurred."</span>);
<a name="239" href="#239">239</a> } <strong>catch</strong> (HttpException e) {
<a name="240" href="#240">240</a> e.printStackTrace();
<a name="241" href="#241">241</a> fail(<span class="string">"HttpException should not have occurred: "</span> + e);
<a name="242" href="#242">242</a> } <strong>catch</strong> (IOException e) {
<a name="243" href="#243">243</a> <em class="comment">// expected</em>
<a name="244" href="#244">244</a> }
<a name="245" href="#245">245</a>
<a name="246" href="#246">246</a> <strong>try</strong> {
<a name="247" href="#247">247</a> connectionManager.getConnectionWithTimeout(client.getHostConfiguration(), 1);
<a name="248" href="#248">248</a> } <strong>catch</strong> (ConnectTimeoutException e) {
<a name="249" href="#249">249</a> e.printStackTrace();
<a name="250" href="#250">250</a> fail(<span class="string">"Connection was not released: "</span> + e);
<a name="251" href="#251">251</a> }
<a name="252" href="#252">252</a>
<a name="253" href="#253">253</a> }
<a name="254" href="#254">254</a>
<a name="255" href="#255">255</a> <strong>public</strong> <strong>void</strong> testReleaseConnection() {
<a name="256" href="#256">256</a>
<a name="257" href="#257">257</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="258" href="#258">258</a>
<a name="259" href="#259">259</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="260" href="#260">260</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="261" href="#261">261</a>
<a name="262" href="#262">262</a> client.setHttpConnectionManager(connectionManager);
<a name="263" href="#263">263</a> <em class="comment">// we shouldn't have to wait if a connection is available</em>
<a name="264" href="#264">264</a> client.getParams().setConnectionManagerTimeout(1);
<a name="265" href="#265">265</a>
<a name="266" href="#266">266</a> GetMethod getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="267" href="#267">267</a>
<a name="268" href="#268">268</a> <strong>try</strong> {
<a name="269" href="#269">269</a> client.executeMethod(getMethod);
<a name="270" href="#270">270</a> } <strong>catch</strong> (Exception e) {
<a name="271" href="#271">271</a> fail(<span class="string">"error reading from server: "</span> + e);
<a name="272" href="#272">272</a> }
<a name="273" href="#273">273</a>
<a name="274" href="#274">274</a> <strong>try</strong> {
<a name="275" href="#275">275</a> <em class="comment">// this should fail quickly since the connection has not been released</em>
<a name="276" href="#276">276</a> client.executeMethod(getMethod);
<a name="277" href="#277">277</a> fail(<span class="string">"a httpConnection should not be available"</span>);
<a name="278" href="#278">278</a> } <strong>catch</strong> (ConnectTimeoutException e) {
<a name="279" href="#279">279</a> } <strong>catch</strong> (HttpException e) {
<a name="280" href="#280">280</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="281" href="#281">281</a> } <strong>catch</strong> (IOException e) {
<a name="282" href="#282">282</a> e.printStackTrace();
<a name="283" href="#283">283</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="284" href="#284">284</a> }
<a name="285" href="#285">285</a>
<a name="286" href="#286">286</a> <em class="comment">// this should release the connection</em>
<a name="287" href="#287">287</a> getMethod.releaseConnection();
<a name="288" href="#288">288</a>
<a name="289" href="#289">289</a> getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="290" href="#290">290</a>
<a name="291" href="#291">291</a> <strong>try</strong> {
<a name="292" href="#292">292</a> <em class="comment">// this should fail quickly if the connection has not been released</em>
<a name="293" href="#293">293</a> client.executeMethod(getMethod);
<a name="294" href="#294">294</a> } <strong>catch</strong> (HttpException e) {
<a name="295" href="#295">295</a> fail(<span class="string">"httpConnection does not appear to have been released: "</span> + e);
<a name="296" href="#296">296</a> } <strong>catch</strong> (IOException e) {
<a name="297" href="#297">297</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="298" href="#298">298</a> }
<a name="299" href="#299">299</a>
<a name="300" href="#300">300</a> }
<a name="301" href="#301">301</a>
<a name="302" href="#302">302</a> <em>/**</em>
<a name="303" href="#303">303</a> <em> * Makes sure that a connection gets released after the content of the body</em>
<a name="304" href="#304">304</a> <em> * is read.</em>
<a name="305" href="#305">305</a> <em> */</em>
<a name="306" href="#306">306</a> <strong>public</strong> <strong>void</strong> testResponseAutoRelease() throws Exception {
<a name="307" href="#307">307</a>
<a name="308" href="#308">308</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="309" href="#309">309</a>
<a name="310" href="#310">310</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="311" href="#311">311</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="312" href="#312">312</a>
<a name="313" href="#313">313</a> client.setHttpConnectionManager(connectionManager);
<a name="314" href="#314">314</a> <em class="comment">// we shouldn't have to wait if a connection is available</em>
<a name="315" href="#315">315</a> client.getParams().setConnectionManagerTimeout( 1 );
<a name="316" href="#316">316</a>
<a name="317" href="#317">317</a> GetMethod getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="318" href="#318">318</a>
<a name="319" href="#319">319</a> <strong>try</strong> {
<a name="320" href="#320">320</a> client.executeMethod(getMethod);
<a name="321" href="#321">321</a> } <strong>catch</strong> (Exception e) {
<a name="322" href="#322">322</a> fail(<span class="string">"error reading from server: "</span> + e);
<a name="323" href="#323">323</a> }
<a name="324" href="#324">324</a>
<a name="325" href="#325">325</a> <em class="comment">// this should release the connection</em>
<a name="326" href="#326">326</a> getMethod.getResponseBody();
<a name="327" href="#327">327</a>
<a name="328" href="#328">328</a> getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="329" href="#329">329</a>
<a name="330" href="#330">330</a> <strong>try</strong> {
<a name="331" href="#331">331</a> <em class="comment">// this should fail quickly if the connection has not been released</em>
<a name="332" href="#332">332</a> client.executeMethod(getMethod);
<a name="333" href="#333">333</a> } <strong>catch</strong> (HttpException e) {
<a name="334" href="#334">334</a> fail(<span class="string">"httpConnection does not appear to have been released: "</span> + e);
<a name="335" href="#335">335</a> } <strong>catch</strong> (IOException e) {
<a name="336" href="#336">336</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="337" href="#337">337</a> }
<a name="338" href="#338">338</a>
<a name="339" href="#339">339</a> }
<a name="340" href="#340">340</a>
<a name="341" href="#341">341</a> <em>/**</em>
<a name="342" href="#342">342</a> <em> * Tests the MultiThreadedHttpConnectionManager's ability to reclaim unused </em>
<a name="343" href="#343">343</a> <em> * connections.</em>
<a name="344" href="#344">344</a> <em> */</em>
<a name="345" href="#345">345</a> <strong>public</strong> <strong>void</strong> testConnectionReclaiming() {
<a name="346" href="#346">346</a>
<a name="347" href="#347">347</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="348" href="#348">348</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="349" href="#349">349</a> connectionManager.getParams().setMaxTotalConnections(1);
<a name="350" href="#350">350</a>
<a name="351" href="#351">351</a> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="352" href="#352">352</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="353" href="#353">353</a>
<a name="354" href="#354">354</a> HostConfiguration host2 = <strong>new</strong> HostConfiguration();
<a name="355" href="#355">355</a> host2.setHost(<span class="string">"host2"</span>, -1, <span class="string">"http"</span>);
<a name="356" href="#356">356</a>
<a name="357" href="#357">357</a> HttpConnection connection = connectionManager.getConnection(host1);
<a name="358" href="#358">358</a> <em class="comment">// now release this connection</em>
<a name="359" href="#359">359</a> connection.releaseConnection();
<a name="360" href="#360">360</a> connection = <strong>null</strong>;
<a name="361" href="#361">361</a>
<a name="362" href="#362">362</a> <strong>try</strong> {
<a name="363" href="#363">363</a> <em class="comment">// the connection from host1 should be reclaimed</em>
<a name="364" href="#364">364</a> connection = connectionManager.getConnectionWithTimeout(host2, 100);
<a name="365" href="#365">365</a> } <strong>catch</strong> (ConnectTimeoutException e) {
<a name="366" href="#366">366</a> e.printStackTrace();
<a name="367" href="#367">367</a> fail(<span class="string">"a httpConnection should have been available: "</span> + e);
<a name="368" href="#368">368</a> }
<a name="369" href="#369">369</a> }
<a name="370" href="#370">370</a>
<a name="371" href="#371">371</a> <em>/**</em>
<a name="372" href="#372">372</a> <em> * Tests that {@link MultiThreadedHttpConnectionManager#shutdownAll()} closes all resources</em>
<a name="373" href="#373">373</a> <em> * and makes all connection mangers unusable.</em>
<a name="374" href="#374">374</a> <em> */</em>
<a name="375" href="#375">375</a> <strong>public</strong> <strong>void</strong> testShutdownAll() {
<a name="376" href="#376">376</a>
<a name="377" href="#377">377</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="378" href="#378">378</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="379" href="#379">379</a> connectionManager.getParams().setMaxTotalConnections(1);
<a name="380" href="#380">380</a>
<a name="381" href="#381">381</a> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="382" href="#382">382</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="383" href="#383">383</a>
<a name="384" href="#384">384</a> <em class="comment">// hold on to the only connection</em>
<a name="385" href="#385">385</a> HttpConnection connection = connectionManager.getConnection(host1);
<a name="386" href="#386">386</a>
<a name="387" href="#387">387</a> <em class="comment">// wait for a connection on another thread</em>
<a name="388" href="#388">388</a> GetConnectionThread getConn = <strong>new</strong> GetConnectionThread(host1, connectionManager, 0);
<a name="389" href="#389">389</a> getConn.start();
<a name="390" href="#390">390</a>
<a name="391" href="#391">391</a> MultiThreadedHttpConnectionManager.shutdownAll();
<a name="392" href="#392">392</a>
<a name="393" href="#393">393</a> <em class="comment">// now release this connection, this should close the connection, but have no other effect</em>
<a name="394" href="#394">394</a> connection.releaseConnection();
<a name="395" href="#395">395</a> connection = <strong>null</strong>;
<a name="396" href="#396">396</a>
<a name="397" href="#397">397</a> <strong>try</strong> {
<a name="398" href="#398">398</a> getConn.join();
<a name="399" href="#399">399</a> } <strong>catch</strong> (InterruptedException e) {
<a name="400" href="#400">400</a> e.printStackTrace();
<a name="401" href="#401">401</a> }
<a name="402" href="#402">402</a>
<a name="403" href="#403">403</a> <em class="comment">// this thread should have caught an exception without getting a connection</em>
<a name="404" href="#404">404</a> assertNull(<span class="string">"Not connection should have been checked out"</span>, getConn.getConnection());
<a name="405" href="#405">405</a> assertNotNull(<span class="string">"There should have been an exception"</span>, getConn.getException());
<a name="406" href="#406">406</a>
<a name="407" href="#407">407</a> <strong>try</strong> {
<a name="408" href="#408">408</a> connectionManager.getConnection(host1);
<a name="409" href="#409">409</a> fail(<span class="string">"An exception should have occurred"</span>);
<a name="410" href="#410">410</a> } <strong>catch</strong> (Exception e) {
<a name="411" href="#411">411</a> <em class="comment">// this is expected</em>
<a name="412" href="#412">412</a> }
<a name="413" href="#413">413</a> }
<a name="414" href="#414">414</a>
<a name="415" href="#415">415</a> <em>/**</em>
<a name="416" href="#416">416</a> <em> * Tests that {@link MultiThreadedHttpConnectionManager#shutdown()} closes all resources</em>
<a name="417" href="#417">417</a> <em> * and makes the connection manger unusable.</em>
<a name="418" href="#418">418</a> <em> */</em>
<a name="419" href="#419">419</a> <strong>public</strong> <strong>void</strong> testShutdown() {
<a name="420" href="#420">420</a>
<a name="421" href="#421">421</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="422" href="#422">422</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="423" href="#423">423</a> connectionManager.getParams().setMaxTotalConnections(1);
<a name="424" href="#424">424</a>
<a name="425" href="#425">425</a> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="426" href="#426">426</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="427" href="#427">427</a>
<a name="428" href="#428">428</a> <em class="comment">// hold on to the only connection</em>
<a name="429" href="#429">429</a> HttpConnection connection = connectionManager.getConnection(host1);
<a name="430" href="#430">430</a>
<a name="431" href="#431">431</a> <em class="comment">// wait for a connection on another thread</em>
<a name="432" href="#432">432</a> GetConnectionThread getConn = <strong>new</strong> GetConnectionThread(host1, connectionManager, 0);
<a name="433" href="#433">433</a> getConn.start();
<a name="434" href="#434">434</a>
<a name="435" href="#435">435</a> connectionManager.shutdown();
<a name="436" href="#436">436</a>
<a name="437" href="#437">437</a> <em class="comment">// now release this connection, this should close the connection, but have no other effect</em>
<a name="438" href="#438">438</a> connection.releaseConnection();
<a name="439" href="#439">439</a> connection = <strong>null</strong>;
<a name="440" href="#440">440</a>
<a name="441" href="#441">441</a> <strong>try</strong> {
<a name="442" href="#442">442</a> getConn.join();
<a name="443" href="#443">443</a> } <strong>catch</strong> (InterruptedException e) {
<a name="444" href="#444">444</a> e.printStackTrace();
<a name="445" href="#445">445</a> }
<a name="446" href="#446">446</a>
<a name="447" href="#447">447</a> <em class="comment">// this thread should have caught an exception without getting a connection</em>
<a name="448" href="#448">448</a> assertNull(<span class="string">"Not connection should have been checked out"</span>, getConn.getConnection());
<a name="449" href="#449">449</a> assertNotNull(<span class="string">"There should have been an exception"</span>, getConn.getException());
<a name="450" href="#450">450</a>
<a name="451" href="#451">451</a> <strong>try</strong> {
<a name="452" href="#452">452</a> connectionManager.getConnection(host1);
<a name="453" href="#453">453</a> fail(<span class="string">"An exception should have occurred"</span>);
<a name="454" href="#454">454</a> } <strong>catch</strong> (Exception e) {
<a name="455" href="#455">455</a> <em class="comment">// this is expected</em>
<a name="456" href="#456">456</a> }
<a name="457" href="#457">457</a> }
<a name="458" href="#458">458</a>
<a name="459" href="#459">459</a> <em>/**</em>
<a name="460" href="#460">460</a> <em> * Tests the MultiThreadedHttpConnectionManager's ability to restrict the maximum number </em>
<a name="461" href="#461">461</a> <em> * of connections.</em>
<a name="462" href="#462">462</a> <em> */</em>
<a name="463" href="#463">463</a> <strong>public</strong> <strong>void</strong> testMaxConnections() {
<a name="464" href="#464">464</a>
<a name="465" href="#465">465</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="466" href="#466">466</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="467" href="#467">467</a> connectionManager.getParams().setMaxTotalConnections(2);
<a name="468" href="#468">468</a>
<a name="469" href="#469">469</a> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="470" href="#470">470</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="471" href="#471">471</a>
<a name="472" href="#472">472</a> HostConfiguration host2 = <strong>new</strong> HostConfiguration();
<a name="473" href="#473">473</a> host2.setHost(<span class="string">"host2"</span>, -1, <span class="string">"http"</span>);
<a name="474" href="#474">474</a>
<a name="475" href="#475">475</a> HttpConnection connection1 = connectionManager.getConnection(host1);
<a name="476" href="#476">476</a> HttpConnection connection2 = connectionManager.getConnection(host2);
<a name="477" href="#477">477</a>
<a name="478" href="#478">478</a> <strong>try</strong> {
<a name="479" href="#479">479</a> <em class="comment">// this should fail quickly since the connection has not been released</em>
<a name="480" href="#480">480</a> connectionManager.getConnectionWithTimeout(host2, 100);
<a name="481" href="#481">481</a> fail(<span class="string">"ConnectionPoolTimeoutException should not be available"</span>);
<a name="482" href="#482">482</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="483" href="#483">483</a> <em class="comment">// this should throw an exception</em>
<a name="484" href="#484">484</a> }
<a name="485" href="#485">485</a>
<a name="486" href="#486">486</a> <em class="comment">// release one of the connections</em>
<a name="487" href="#487">487</a> connection2.releaseConnection();
<a name="488" href="#488">488</a> connection2 = <strong>null</strong>;
<a name="489" href="#489">489</a>
<a name="490" href="#490">490</a> <strong>try</strong> {
<a name="491" href="#491">491</a> <em class="comment">// there should be a connection available now</em>
<a name="492" href="#492">492</a> connection2 = connectionManager.getConnectionWithTimeout(host2, 100);
<a name="493" href="#493">493</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="494" href="#494">494</a> e.printStackTrace();
<a name="495" href="#495">495</a> fail(<span class="string">"a httpConnection should have been available: "</span> + e);
<a name="496" href="#496">496</a> }
<a name="497" href="#497">497</a> }
<a name="498" href="#498">498</a>
<a name="499" href="#499">499</a> <em>/**</em>
<a name="500" href="#500">500</a> <em> * Tests the MultiThreadedHttpConnectionManager's ability to restrict the maximum number </em>
<a name="501" href="#501">501</a> <em> * of connections per host.</em>
<a name="502" href="#502">502</a> <em> */</em>
<a name="503" href="#503">503</a> <strong>public</strong> <strong>void</strong> testMaxConnectionsPerHost() throws Exception {
<a name="504" href="#504">504</a>
<a name="505" href="#505">505</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="506" href="#506">506</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="507" href="#507">507</a> connectionManager.getParams().setMaxTotalConnections(100);
<a name="508" href="#508">508</a>
<a name="509" href="#509">509</a> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="510" href="#510">510</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="511" href="#511">511</a>
<a name="512" href="#512">512</a> HostConfiguration host2 = <strong>new</strong> HostConfiguration();
<a name="513" href="#513">513</a> host2.setHost(<span class="string">"host2"</span>, -1, <span class="string">"http"</span>);
<a name="514" href="#514">514</a>
<a name="515" href="#515">515</a> HostConfiguration host3 = <strong>new</strong> HostConfiguration();
<a name="516" href="#516">516</a> host3.setHost(<span class="string">"host3"</span>, -1, <span class="string">"http"</span>);
<a name="517" href="#517">517</a>
<a name="518" href="#518">518</a> connectionManager.getParams().setMaxConnectionsPerHost(host1, 3);
<a name="519" href="#519">519</a> connectionManager.getParams().setMaxConnectionsPerHost(host2, 2);
<a name="520" href="#520">520</a>
<a name="521" href="#521">521</a> <em class="comment">// Host1</em>
<a name="522" href="#522">522</a> HttpConnection connection1 = connectionManager.getConnectionWithTimeout(host1, 1000);
<a name="523" href="#523">523</a> HttpConnection connection2 = connectionManager.getConnectionWithTimeout(host1, 1000);
<a name="524" href="#524">524</a> HttpConnection connection3 = connectionManager.getConnectionWithTimeout(host1, 1000);
<a name="525" href="#525">525</a> <strong>try</strong> {
<a name="526" href="#526">526</a> <em class="comment">// this should fail quickly since the connection has not been released</em>
<a name="527" href="#527">527</a> connectionManager.getConnectionWithTimeout(host1, 100);
<a name="528" href="#528">528</a> fail(<span class="string">"ConnectionPoolTimeoutException should not be available"</span>);
<a name="529" href="#529">529</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="530" href="#530">530</a> <em class="comment">// expected</em>
<a name="531" href="#531">531</a> }
<a name="532" href="#532">532</a>
<a name="533" href="#533">533</a> <em class="comment">// Host2</em>
<a name="534" href="#534">534</a> connection1 = connectionManager.getConnectionWithTimeout(host2, 1000);
<a name="535" href="#535">535</a> connection2 = connectionManager.getConnectionWithTimeout(host2, 1000);
<a name="536" href="#536">536</a> <strong>try</strong> {
<a name="537" href="#537">537</a> <em class="comment">// this should fail quickly since the connection has not been released</em>
<a name="538" href="#538">538</a> connectionManager.getConnectionWithTimeout(host2, 100);
<a name="539" href="#539">539</a> fail(<span class="string">"ConnectionPoolTimeoutException should not be available"</span>);
<a name="540" href="#540">540</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="541" href="#541">541</a> <em class="comment">// expected</em>
<a name="542" href="#542">542</a> }
<a name="543" href="#543">543</a>
<a name="544" href="#544">544</a> <em class="comment">// Host3 (should use the default per host value)</em>
<a name="545" href="#545">545</a> connection1 = connectionManager.getConnectionWithTimeout(host3, 1000);
<a name="546" href="#546">546</a> <strong>try</strong> {
<a name="547" href="#547">547</a> <em class="comment">// this should fail quickly since the connection has not been released</em>
<a name="548" href="#548">548</a> connectionManager.getConnectionWithTimeout(host3, 100);
<a name="549" href="#549">549</a> fail(<span class="string">"ConnectionPoolTimeoutException should not be available"</span>);
<a name="550" href="#550">550</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="551" href="#551">551</a> <em class="comment">// expected</em>
<a name="552" href="#552">552</a> }
<a name="553" href="#553">553</a> }
<a name="554" href="#554">554</a>
<a name="555" href="#555">555</a> <strong>public</strong> <strong>void</strong> testHostReusePreference() {
<a name="556" href="#556">556</a>
<a name="557" href="#557">557</a> <strong>final</strong> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="558" href="#558">558</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="559" href="#559">559</a> connectionManager.getParams().setMaxTotalConnections(1);
<a name="560" href="#560">560</a>
<a name="561" href="#561">561</a> <strong>final</strong> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="562" href="#562">562</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="563" href="#563">563</a>
<a name="564" href="#564">564</a> <strong>final</strong> HostConfiguration host2 = <strong>new</strong> HostConfiguration();
<a name="565" href="#565">565</a> host2.setHost(<span class="string">"host2"</span>, -1, <span class="string">"http"</span>);
<a name="566" href="#566">566</a>
<a name="567" href="#567">567</a> HttpConnection connection = connectionManager.getConnection(host1);
<a name="568" href="#568">568</a>
<a name="569" href="#569">569</a> GetConnectionThread getHost1 = <strong>new</strong> GetConnectionThread(host1, connectionManager, 200);
<a name="570" href="#570">570</a> GetConnectionThread getHost2 = <strong>new</strong> GetConnectionThread(host2, connectionManager, 200);
<a name="571" href="#571">571</a>
<a name="572" href="#572">572</a> getHost2.start();
<a name="573" href="#573">573</a> getHost1.start();
<a name="574" href="#574">574</a>
<a name="575" href="#575">575</a> <em class="comment">// give the threads some time to startup</em>
<a name="576" href="#576">576</a> <strong>try</strong> {
<a name="577" href="#577">577</a> Thread.sleep(100);
<a name="578" href="#578">578</a> } <strong>catch</strong> (InterruptedException e1) {
<a name="579" href="#579">579</a> e1.printStackTrace();
<a name="580" href="#580">580</a> }
<a name="581" href="#581">581</a>
<a name="582" href="#582">582</a> <em class="comment">// after the connection to host1 is released it should be given to getHost1</em>
<a name="583" href="#583">583</a> connection.releaseConnection();
<a name="584" href="#584">584</a> connection = <strong>null</strong>;
<a name="585" href="#585">585</a>
<a name="586" href="#586">586</a> <strong>try</strong> {
<a name="587" href="#587">587</a> getHost1.join();
<a name="588" href="#588">588</a> getHost2.join();
<a name="589" href="#589">589</a> } <strong>catch</strong> (InterruptedException e) {
<a name="590" href="#590">590</a> e.printStackTrace();
<a name="591" href="#591">591</a> }
<a name="592" href="#592">592</a>
<a name="593" href="#593">593</a> assertNotSame(
<a name="594" href="#594">594</a> <span class="string">"Connection should have been given to someone"</span>,
<a name="595" href="#595">595</a> getHost1.getConnection(),
<a name="596" href="#596">596</a> getHost2.getConnection()
<a name="597" href="#597">597</a> );
<a name="598" href="#598">598</a> assertNotNull(<span class="string">"Connection should have been given to host1"</span>, getHost1.getConnection());
<a name="599" href="#599">599</a> assertNull(<span class="string">"Connection should NOT have been given to host2"</span>, getHost2.getConnection());
<a name="600" href="#600">600</a>
<a name="601" href="#601">601</a> }
<a name="602" href="#602">602</a>
<a name="603" href="#603">603</a> <strong>public</strong> <strong>void</strong> testMaxConnectionsPerServer() {
<a name="604" href="#604">604</a>
<a name="605" href="#605">605</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="606" href="#606">606</a>
<a name="607" href="#607">607</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="608" href="#608">608</a> connectionManager.getParams().setDefaultMaxConnectionsPerHost(1);
<a name="609" href="#609">609</a>
<a name="610" href="#610">610</a> client.setHttpConnectionManager(connectionManager);
<a name="611" href="#611">611</a> <em class="comment">// we shouldn't have to wait if a connection is available</em>
<a name="612" href="#612">612</a> client.getParams().setConnectionManagerTimeout( 1 );
<a name="613" href="#613">613</a>
<a name="614" href="#614">614</a> GetMethod getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="615" href="#615">615</a>
<a name="616" href="#616">616</a> <strong>try</strong> {
<a name="617" href="#617">617</a> client.executeMethod(getMethod);
<a name="618" href="#618">618</a> } <strong>catch</strong> (Exception e) {
<a name="619" href="#619">619</a> fail(<span class="string">"error reading from server: "</span> + e);
<a name="620" href="#620">620</a> }
<a name="621" href="#621">621</a>
<a name="622" href="#622">622</a> GetMethod getMethod2 = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="623" href="#623">623</a>
<a name="624" href="#624">624</a> <strong>try</strong> {
<a name="625" href="#625">625</a> <em class="comment">// this should fail quickly since the connection has not been released</em>
<a name="626" href="#626">626</a> client.executeMethod(getMethod2);
<a name="627" href="#627">627</a> fail(<span class="string">"a httpConnection should not be available"</span>);
<a name="628" href="#628">628</a> } <strong>catch</strong> (ConnectTimeoutException e) {
<a name="629" href="#629">629</a> } <strong>catch</strong> (HttpException e) {
<a name="630" href="#630">630</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="631" href="#631">631</a> } <strong>catch</strong> (IOException e) {
<a name="632" href="#632">632</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="633" href="#633">633</a> }
<a name="634" href="#634">634</a>
<a name="635" href="#635">635</a> }
<a name="636" href="#636">636</a>
<a name="637" href="#637">637</a> <strong>public</strong> <strong>void</strong> testDeleteClosedConnections() {
<a name="638" href="#638">638</a>
<a name="639" href="#639">639</a> MultiThreadedHttpConnectionManager manager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="640" href="#640">640</a>
<a name="641" href="#641">641</a> HttpConnection conn = manager.getConnection(client.getHostConfiguration());
<a name="642" href="#642">642</a>
<a name="643" href="#643">643</a> assertEquals(<span class="string">"connectionsInPool"</span>, manager.getConnectionsInPool(), 1);
<a name="644" href="#644">644</a> assertEquals(<span class="string">"connectionsInPool(host)"</span>, manager.getConnectionsInPool(client.getHostConfiguration()), 1);
<a name="645" href="#645">645</a>
<a name="646" href="#646">646</a> conn.close();
<a name="647" href="#647">647</a> conn.releaseConnection();
<a name="648" href="#648">648</a>
<a name="649" href="#649">649</a> assertEquals(<span class="string">"connectionsInPool"</span>, manager.getConnectionsInPool(), 1);
<a name="650" href="#650">650</a> assertEquals(<span class="string">"connectionsInPool(host)"</span>, manager.getConnectionsInPool(client.getHostConfiguration()), 1);
<a name="651" href="#651">651</a>
<a name="652" href="#652">652</a> manager.deleteClosedConnections();
<a name="653" href="#653">653</a>
<a name="654" href="#654">654</a> assertEquals(<span class="string">"connectionsInPool"</span>, manager.getConnectionsInPool(), 0);
<a name="655" href="#655">655</a> assertEquals(<span class="string">"connectionsInPool(host)"</span>, manager.getConnectionsInPool(client.getHostConfiguration()), 0);
<a name="656" href="#656">656</a> }
<a name="657" href="#657">657</a>
<a name="658" href="#658">658</a> <em>/**</em>
<a name="659" href="#659">659</a> <em> * Tests that thread waiting in the MultiThreadedHttpConnectionManager can be </em>
<a name="660" href="#660">660</a> <em> * interrupted.</em>
<a name="661" href="#661">661</a> <em> */</em>
<a name="662" href="#662">662</a> <strong>public</strong> <strong>void</strong> testWaitingThreadInterrupted() {
<a name="663" href="#663">663</a>
<a name="664" href="#664">664</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="665" href="#665">665</a>
<a name="666" href="#666">666</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="667" href="#667">667</a> connectionManager.getParams().setIntParameter(
<a name="668" href="#668">668</a> HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS, 1);
<a name="669" href="#669">669</a>
<a name="670" href="#670">670</a> HostConfiguration host1 = <strong>new</strong> HostConfiguration();
<a name="671" href="#671">671</a> host1.setHost(<span class="string">"host1"</span>, -1, <span class="string">"http"</span>);
<a name="672" href="#672">672</a>
<a name="673" href="#673">673</a> <em class="comment">// hold on to the only connection</em>
<a name="674" href="#674">674</a> HttpConnection connection = connectionManager.getConnection(host1);
<a name="675" href="#675">675</a>
<a name="676" href="#676">676</a> <em class="comment">// wait for a connection on another thread</em>
<a name="677" href="#677">677</a> GetConnectionThread getConn = <strong>new</strong> GetConnectionThread(host1, connectionManager, 1000);
<a name="678" href="#678">678</a> getConn.start();
<a name="679" href="#679">679</a>
<a name="680" href="#680">680</a> <em class="comment">// give the thread a chance to block</em>
<a name="681" href="#681">681</a> <strong>synchronized</strong> (<strong>this</strong>) {
<a name="682" href="#682">682</a> <strong>try</strong> {
<a name="683" href="#683">683</a> <strong>this</strong>.wait(500);
<a name="684" href="#684">684</a> } <strong>catch</strong> (InterruptedException e) {
<a name="685" href="#685">685</a> e.printStackTrace();
<a name="686" href="#686">686</a> }
<a name="687" href="#687">687</a> }
<a name="688" href="#688">688</a>
<a name="689" href="#689">689</a> <em class="comment">// interrupt the thread, this should cancel waiting with a RuntimeException</em>
<a name="690" href="#690">690</a> getConn.interrupt();
<a name="691" href="#691">691</a>
<a name="692" href="#692">692</a> <strong>try</strong> {
<a name="693" href="#693">693</a> getConn.join();
<a name="694" href="#694">694</a> } <strong>catch</strong> (InterruptedException e) {
<a name="695" href="#695">695</a> e.printStackTrace();
<a name="696" href="#696">696</a> }
<a name="697" href="#697">697</a>
<a name="698" href="#698">698</a> <em class="comment">// make sure the correct exception was thrown</em>
<a name="699" href="#699">699</a> assertTrue(getConn.exception != <strong>null</strong>);
<a name="700" href="#700">700</a> assertEquals(getConn.exception.getClass(), IllegalThreadStateException.<strong>class</strong>);
<a name="701" href="#701">701</a>
<a name="702" href="#702">702</a> <em class="comment">// make sure the connection manager is still working</em>
<a name="703" href="#703">703</a> connection.releaseConnection();
<a name="704" href="#704">704</a> <strong>try</strong> {
<a name="705" href="#705">705</a> connectionManager.getConnectionWithTimeout(host1, 10);
<a name="706" href="#706">706</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="707" href="#707">707</a> fail(<span class="string">"Connection not available"</span>);
<a name="708" href="#708">708</a> }
<a name="709" href="#709">709</a> }
<a name="710" href="#710">710</a>
<a name="711" href="#711">711</a> <strong>public</strong> <strong>void</strong> testReclaimUnusedConnection() {
<a name="712" href="#712">712</a>
<a name="713" href="#713">713</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="714" href="#714">714</a>
<a name="715" href="#715">715</a> MultiThreadedHttpConnectionManager connectionManager = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="716" href="#716">716</a> connectionManager.getParams().setIntParameter(
<a name="717" href="#717">717</a> HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS, 1);
<a name="718" href="#718">718</a>
<a name="719" href="#719">719</a> client.setHttpConnectionManager(connectionManager);
<a name="720" href="#720">720</a> <em class="comment">// we shouldn't have to wait if a connection is available</em>
<a name="721" href="#721">721</a> client.getParams().setConnectionManagerTimeout( 30000 );
<a name="722" href="#722">722</a>
<a name="723" href="#723">723</a> GetMethod getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="724" href="#724">724</a>
<a name="725" href="#725">725</a> <strong>try</strong> {
<a name="726" href="#726">726</a> client.executeMethod(getMethod);
<a name="727" href="#727">727</a> } <strong>catch</strong> (Exception e) {
<a name="728" href="#728">728</a> fail(<span class="string">"error reading from server: "</span> + e);
<a name="729" href="#729">729</a> }
<a name="730" href="#730">730</a>
<a name="731" href="#731">731</a> getMethod = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="732" href="#732">732</a>
<a name="733" href="#733">733</a> Runtime.getRuntime().gc();
<a name="734" href="#734">734</a>
<a name="735" href="#735">735</a> <strong>try</strong> {
<a name="736" href="#736">736</a> <em class="comment">// we didn't explicitly release the connection, but it should be </em>
<a name="737" href="#737">737</a> <em class="comment">// reclaimed by the garbage collector, we hope:)</em>
<a name="738" href="#738">738</a> client.executeMethod(getMethod);
<a name="739" href="#739">739</a> } <strong>catch</strong> (HttpException e) {
<a name="740" href="#740">740</a> fail(<span class="string">"httpConnection does not appear to have been reclaimed by the GC: "</span> + e);
<a name="741" href="#741">741</a> } <strong>catch</strong> (IOException e) {
<a name="742" href="#742">742</a> fail(<span class="string">"error reading from server; "</span> + e);
<a name="743" href="#743">743</a> }
<a name="744" href="#744">744</a>
<a name="745" href="#745">745</a> }
<a name="746" href="#746">746</a>
<a name="747" href="#747">747</a> <strong>public</strong> <strong>void</strong> testGetFromMultipleThreads() {
<a name="748" href="#748">748</a>
<a name="749" href="#749">749</a> <strong>this</strong>.server.setHttpService(<strong>new</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a>());
<a name="750" href="#750">750</a>
<a name="751" href="#751">751</a> client.setHttpConnectionManager(<strong>new</strong> MultiThreadedHttpConnectionManager());
<a name="752" href="#752">752</a> <a href="../../../../org/apache/commons/httpclient/ExecuteMethodThread.html">ExecuteMethodThread</a>[] threads = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/ExecuteMethodThread.html">ExecuteMethodThread</a>[10];
<a name="753" href="#753">753</a>
<a name="754" href="#754">754</a> <strong>for</strong> (<strong>int</strong> i = 0; i < threads.length; i++) {
<a name="755" href="#755">755</a> GetMethod method = <strong>new</strong> GetMethod(<span class="string">"/"</span>);
<a name="756" href="#756">756</a> method.setFollowRedirects(<strong>true</strong>);
<a name="757" href="#757">757</a>
<a name="758" href="#758">758</a> threads[i] = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/ExecuteMethodThread.html">ExecuteMethodThread</a>(method, client);
<a name="759" href="#759">759</a> threads[i].start();
<a name="760" href="#760">760</a> }
<a name="761" href="#761">761</a>
<a name="762" href="#762">762</a> <strong>for</strong> (<strong>int</strong> i = 0; i < threads.length; i++) {
<a name="763" href="#763">763</a> <strong>try</strong> {
<a name="764" href="#764">764</a> <em class="comment">// wait until this thread finishes. we'll give it 10 seconds,</em>
<a name="765" href="#765">765</a> <em class="comment">// but it shouldn't take that long</em>
<a name="766" href="#766">766</a> threads[i].join(10000);
<a name="767" href="#767">767</a> } <strong>catch</strong> (InterruptedException e) {
<a name="768" href="#768">768</a> }
<a name="769" href="#769">769</a> <em class="comment">// make sure an exception did not occur</em>
<a name="770" href="#770">770</a> Exception e = threads[i].getException();
<a name="771" href="#771">771</a> <strong>if</strong> (e != <strong>null</strong>) {
<a name="772" href="#772">772</a> fail(<span class="string">"An error occured in the get: "</span> + e);
<a name="773" href="#773">773</a> }
<a name="774" href="#774">774</a> <em class="comment">// we should have a 200 status</em>
<a name="775" href="#775">775</a> assertEquals(threads[i].getMethod().getStatusCode(), HttpStatus.SC_OK);
<a name="776" href="#776">776</a> }
<a name="777" href="#777">777</a> }
<a name="778" href="#778">778</a>
<a name="779" href="#779">779</a> <strong>public</strong> <strong>void</strong> testTimeout() {
<a name="780" href="#780">780</a> MultiThreadedHttpConnectionManager mgr = <strong>new</strong> MultiThreadedHttpConnectionManager();
<a name="781" href="#781">781</a> mgr.getParams().setDefaultMaxConnectionsPerHost(2);
<a name="782" href="#782">782</a>
<a name="783" href="#783">783</a> <strong>try</strong>{
<a name="784" href="#784">784</a> HostConfiguration hostConfig = <strong>new</strong> HostConfiguration();
<a name="785" href="#785">785</a> hostConfig.setHost(<span class="string">"www.nosuchserver.com"</span>, 80, <span class="string">"http"</span>);
<a name="786" href="#786">786</a>
<a name="787" href="#787">787</a> HttpConnection conn1 = mgr.getConnection(hostConfig);
<a name="788" href="#788">788</a> HttpConnection conn2 = mgr.getConnection(hostConfig);
<a name="789" href="#789">789</a>
<a name="790" href="#790">790</a> HttpConnection conn3 = mgr.getConnectionWithTimeout(hostConfig, 1000);
<a name="791" href="#791">791</a> fail(<span class="string">"Expected an HttpException."</span>);
<a name="792" href="#792">792</a>
<a name="793" href="#793">793</a> }<strong>catch</strong>(ConnectTimeoutException e){
<a name="794" href="#794">794</a> <em class="comment">//Expected result</em>
<a name="795" href="#795">795</a> }
<a name="796" href="#796">796</a> }
<a name="797" href="#797">797</a>
<a name="798" href="#798">798</a> <strong>static</strong> <strong>class</strong> FakeSecureProtocolSocketFactory implements SecureProtocolSocketFactory {
<a name="799" href="#799">799</a>
<a name="800" href="#800">800</a> <strong>public</strong> Socket createSocket(Socket socket, String host, <strong>int</strong> port, <strong>boolean</strong> autoClose)
<a name="801" href="#801">801</a> throws IOException, UnknownHostException {
<a name="802" href="#802">802</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"createSocket() should never have been called."</span>);
<a name="803" href="#803">803</a> }
<a name="804" href="#804">804</a>
<a name="805" href="#805">805</a> <strong>public</strong> Socket createSocket(String host, <strong>int</strong> port)
<a name="806" href="#806">806</a> throws IOException, UnknownHostException {
<a name="807" href="#807">807</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"createSocket() should never have been called."</span>);
<a name="808" href="#808">808</a> }
<a name="809" href="#809">809</a>
<a name="810" href="#810">810</a> <strong>public</strong> Socket createSocket(String host, <strong>int</strong> port, InetAddress clientHost, <strong>int</strong> clientPort)
<a name="811" href="#811">811</a> throws IOException, UnknownHostException {
<a name="812" href="#812">812</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"createSocket() should never have been called."</span>);
<a name="813" href="#813">813</a> }
<a name="814" href="#814">814</a>
<a name="815" href="#815">815</a> <strong>public</strong> Socket createSocket(String host, <strong>int</strong> port, InetAddress clientHost, <strong>int</strong> clientPort,
<a name="816" href="#816">816</a> HttpConnectionParams params)
<a name="817" href="#817">817</a> throws IOException, UnknownHostException {
<a name="818" href="#818">818</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"createSocket() should never have been called."</span>);
<a name="819" href="#819">819</a> }
<a name="820" href="#820">820</a> }
<a name="821" href="#821">821</a>
<a name="822" href="#822">822</a> <strong>static</strong> <strong>class</strong> RejectConnectService <strong>extends</strong> <a href="../../../../org/apache/commons/httpclient/EchoService.html">EchoService</a> {
<a name="823" href="#823">823</a> <strong>public</strong> <strong>boolean</strong> process(<a href="../../../../org/apache/commons/httpclient/server/SimpleRequest.html">SimpleRequest</a> request, <a href="../../../../org/apache/commons/httpclient/server/SimpleResponse.html">SimpleResponse</a> response)
<a name="824" href="#824">824</a> throws IOException {
<a name="825" href="#825">825</a> <strong>if</strong> (request.getRequestLine().getMethod().equalsIgnoreCase(<span class="string">"CONNECT"</span>)) {
<a name="826" href="#826">826</a> response.setStatusLine(request.getRequestLine().getHttpVersion(), HttpStatus.SC_METHOD_NOT_ALLOWED);
<a name="827" href="#827">827</a> response.setHeader(<strong>new</strong> Header(<span class="string">"Connection"</span>, <span class="string">"close"</span>));
<a name="828" href="#828">828</a> <strong>return</strong> <strong>true</strong>;
<a name="829" href="#829">829</a> } <strong>else</strong> {
<a name="830" href="#830">830</a> <strong>return</strong> <strong>super</strong>.process(request, response);
<a name="831" href="#831">831</a> }
<a name="832" href="#832">832</a> }
<a name="833" href="#833">833</a> }
<a name="834" href="#834">834</a>
<a name="835" href="#835">835</a> <strong>static</strong> <strong>class</strong> GetConnectionThread <strong>extends</strong> Thread {
<a name="836" href="#836">836</a>
<a name="837" href="#837">837</a> <strong>private</strong> HostConfiguration hostConfiguration;
<a name="838" href="#838">838</a> <strong>private</strong> MultiThreadedHttpConnectionManager connectionManager;
<a name="839" href="#839">839</a> <strong>private</strong> HttpConnection connection;
<a name="840" href="#840">840</a> <strong>private</strong> <strong>long</strong> timeout;
<a name="841" href="#841">841</a> <strong>private</strong> Exception exception;
<a name="842" href="#842">842</a>
<a name="843" href="#843">843</a> <strong>public</strong> GetConnectionThread(
<a name="844" href="#844">844</a> HostConfiguration hostConfiguration,
<a name="845" href="#845">845</a> MultiThreadedHttpConnectionManager connectionManager,
<a name="846" href="#846">846</a> <strong>long</strong> timeout
<a name="847" href="#847">847</a> ) {
<a name="848" href="#848">848</a> <strong>this</strong>.hostConfiguration = hostConfiguration;
<a name="849" href="#849">849</a> <strong>this</strong>.connectionManager = connectionManager;
<a name="850" href="#850">850</a> <strong>this</strong>.timeout = timeout;
<a name="851" href="#851">851</a> }
<a name="852" href="#852">852</a>
<a name="853" href="#853">853</a> <strong>public</strong> <strong>void</strong> run() {
<a name="854" href="#854">854</a> <strong>try</strong> {
<a name="855" href="#855">855</a> connection = connectionManager.getConnectionWithTimeout(hostConfiguration, timeout);
<a name="856" href="#856">856</a> } <strong>catch</strong> (Exception e) {
<a name="857" href="#857">857</a> <strong>this</strong>.exception = e;
<a name="858" href="#858">858</a> }
<a name="859" href="#859">859</a> }
<a name="860" href="#860">860</a>
<a name="861" href="#861">861</a> <strong>public</strong> Exception getException() {
<a name="862" href="#862">862</a> <strong>return</strong> exception;
<a name="863" href="#863">863</a> }
<a name="864" href="#864">864</a>
<a name="865" href="#865">865</a> <strong>public</strong> HttpConnection getConnection() {
<a name="866" href="#866">866</a> <strong>return</strong> connection;
<a name="867" href="#867">867</a> }
<a name="868" href="#868">868</a>
<a name="869" href="#869">869</a> }
<a name="870" href="#870">870</a>
<a name="871" href="#871">871</a> }
<a name="872" href="#872">872</a>
</pre>
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