http://git-wip-us.apache.org/repos/asf/trafodion-site/blob/02a59eb3/docs/dcs_reference/xref/org/trafodion/dcs/server/ServerManager.html ---------------------------------------------------------------------- diff --git a/docs/dcs_reference/xref/org/trafodion/dcs/server/ServerManager.html b/docs/dcs_reference/xref/org/trafodion/dcs/server/ServerManager.html index ad39675..942dc2a 100644 --- a/docs/dcs_reference/xref/org/trafodion/dcs/server/ServerManager.html +++ b/docs/dcs_reference/xref/org/trafodion/dcs/server/ServerManager.html @@ -93,537 +93,561 @@ <a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> maxRestartAttempts; <a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> retryIntervalMillis; <a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> String nid = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="86" href="#86">86</a> -<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a> <strong class="jxr_keyword">implements</strong> Watcher { -<a class="jxr_linenumber" name="88" href="#88">88</a> CountDownLatch startSignal; -<a class="jxr_linenumber" name="89" href="#89">89</a> -<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a>(CountDownLatch startSignal) { -<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">this</strong>.startSignal = startSignal; -<a class="jxr_linenumber" name="92" href="#92">92</a> } +<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String userProgKeepaliveStatus; +<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> userProgKeepaliveIdletime; +<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> userProgKeepaliveIntervaltime; +<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> userProgKeepaliveRetrycount; +<a class="jxr_linenumber" name="90" href="#90">90</a> +<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a> <strong class="jxr_keyword">implements</strong> Watcher { +<a class="jxr_linenumber" name="92" href="#92">92</a> CountDownLatch startSignal; <a class="jxr_linenumber" name="93" href="#93">93</a> -<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event) { -<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">if</strong> (event.getType() == Event.EventType.NodeDeleted) { -<a class="jxr_linenumber" name="96" href="#96">96</a> String znodePath = event.getPath(); -<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { -<a class="jxr_linenumber" name="98" href="#98">98</a> LOG.debug(<span class="jxr_string">"Registered znode deleted ["</span> + znodePath + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="99" href="#99">99</a> } -<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="101" href="#101">101</a> startSignal.countDown(); -<a class="jxr_linenumber" name="102" href="#102">102</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { -<a class="jxr_linenumber" name="103" href="#103">103</a> e.printStackTrace(); -<a class="jxr_linenumber" name="104" href="#104">104</a> LOG.error(e); -<a class="jxr_linenumber" name="105" href="#105">105</a> } -<a class="jxr_linenumber" name="106" href="#106">106</a> } -<a class="jxr_linenumber" name="107" href="#107">107</a> } -<a class="jxr_linenumber" name="108" href="#108">108</a> } -<a class="jxr_linenumber" name="109" href="#109">109</a> -<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a> { -<a class="jxr_linenumber" name="111" href="#111">111</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>(); -<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">int</strong> childInstance; -<a class="jxr_linenumber" name="113" href="#113">113</a> String registeredPath; -<a class="jxr_linenumber" name="114" href="#114">114</a> Stat stat = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">boolean</strong> isRunning = false; -<a class="jxr_linenumber" name="116" href="#116">116</a> String nid; -<a class="jxr_linenumber" name="117" href="#117">117</a> String pid; -<a class="jxr_linenumber" name="118" href="#118">118</a> -<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a>(<strong class="jxr_keyword">int</strong> childInstance, String registeredPath) { -<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance; -<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">this</strong>.registeredPath = registeredPath; -<a class="jxr_linenumber" name="122" href="#122">122</a> } -<a class="jxr_linenumber" name="123" href="#123">123</a> -<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> monitor() { -<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { -<a class="jxr_linenumber" name="127" href="#127">127</a> LOG.debug(<span class="jxr_string">"registered path ["</span> + registeredPath + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="128" href="#128">128</a> } -<a class="jxr_linenumber" name="129" href="#129">129</a> stat = zkc.exists(registeredPath, false); -<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) { <em class="jxr_comment">// User program znode found in</em> -<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment">// /registered...check pid</em> -<a class="jxr_linenumber" name="132" href="#132">132</a> isRunning = isPidRunning(); -<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { -<a class="jxr_linenumber" name="134" href="#134">134</a> LOG.debug(<span class="jxr_string">"["</span> + (Integer.parseInt(nid) + 1) + <span class="jxr_string">":"</span> + childInstance + <span class="jxr_string">"]."</span> + pid + <span class="jxr_string">".isRunning ["</span> -<a class="jxr_linenumber" name="135" href="#135">135</a> + isRunning + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="136" href="#136">136</a> } -<a class="jxr_linenumber" name="137" href="#137">137</a> } -<a class="jxr_linenumber" name="138" href="#138">138</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { -<a class="jxr_linenumber" name="139" href="#139">139</a> LOG.warn(e.getMessage(), e); -<a class="jxr_linenumber" name="140" href="#140">140</a> isRunning = false; -<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">return</strong> isRunning; -<a class="jxr_linenumber" name="142" href="#142">142</a> } -<a class="jxr_linenumber" name="143" href="#143">143</a> -<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">return</strong> isRunning; -<a class="jxr_linenumber" name="145" href="#145">145</a> } -<a class="jxr_linenumber" name="146" href="#146">146</a> -<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isPidRunning() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="148" href="#148">148</a> String data = Bytes.toString(zkc.getData(registeredPath, false, -<a class="jxr_linenumber" name="149" href="#149">149</a> stat)); -<a class="jxr_linenumber" name="150" href="#150">150</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(data); -<a class="jxr_linenumber" name="151" href="#151">151</a> scn.useDelimiter(<span class="jxr_string">":"</span>); -<a class="jxr_linenumber" name="152" href="#152">152</a> scn.next();<em class="jxr_comment">// state</em> -<a class="jxr_linenumber" name="153" href="#153">153</a> scn.next();<em class="jxr_comment">// timestamp</em> -<a class="jxr_linenumber" name="154" href="#154">154</a> scn.next();<em class="jxr_comment">// dialogue Id</em> -<a class="jxr_linenumber" name="155" href="#155">155</a> nid = scn.next();<em class="jxr_comment">// nid</em> -<a class="jxr_linenumber" name="156" href="#156">156</a> pid = scn.next();<em class="jxr_comment">// pid</em> -<a class="jxr_linenumber" name="157" href="#157">157</a> scn.close(); -<a class="jxr_linenumber" name="158" href="#158">158</a> scriptContext.setHostName(hostName); -<a class="jxr_linenumber" name="159" href="#159">159</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME); -<a class="jxr_linenumber" name="160" href="#160">160</a> scriptContext.setCommand(<span class="jxr_string">"ps -p "</span> + pid); -<a class="jxr_linenumber" name="161" href="#161">161</a> ScriptManager.getInstance().runScript(scriptContext); -<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">return</strong> scriptContext.getExitCode() != 0 ? false : <strong class="jxr_keyword">true</strong>; -<a class="jxr_linenumber" name="163" href="#163">163</a> } -<a class="jxr_linenumber" name="164" href="#164">164</a> } -<a class="jxr_linenumber" name="165" href="#165">165</a> -<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a> { -<a class="jxr_linenumber" name="167" href="#167">167</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext; -<a class="jxr_linenumber" name="168" href="#168">168</a> String registeredPath; -<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">int</strong> childInstance; -<a class="jxr_linenumber" name="170" href="#170">170</a> -<a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a>(<strong class="jxr_keyword">int</strong> childInstance, String registeredPath) { -<a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">this</strong>.scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>(); -<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance; -<a class="jxr_linenumber" name="174" href="#174">174</a> <strong class="jxr_keyword">this</strong>.registeredPath = registeredPath; -<a class="jxr_linenumber" name="175" href="#175">175</a> scriptContext.setHostName(hostName); -<a class="jxr_linenumber" name="176" href="#176">176</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME); -<a class="jxr_linenumber" name="177" href="#177">177</a> String command = userProgramCommand -<a class="jxr_linenumber" name="178" href="#178">178</a> .replace(<span class="jxr_string">"-ZKHOST"</span>, <span class="jxr_string">"-ZKHOST "</span> + zkc.getZkQuorum() + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="179" href="#179">179</a> .replace( -<a class="jxr_linenumber" name="180" href="#180">180</a> <span class="jxr_string">"-RZ"</span>, -<a class="jxr_linenumber" name="181" href="#181">181</a> <span class="jxr_string">"-RZ "</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span> -<a class="jxr_linenumber" name="182" href="#182">182</a> + childInstance + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="183" href="#183">183</a> .replace(<span class="jxr_string">"-ZKPNODE"</span>, -<a class="jxr_linenumber" name="184" href="#184">184</a> <span class="jxr_string">"-ZKPNODE "</span> + <span class="jxr_string">"\""</span> + parentZnode + <span class="jxr_string">"\""</span> + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="185" href="#185">185</a> .replace(<span class="jxr_string">"-CNGTO"</span>, <span class="jxr_string">"-CNGTO "</span> + connectingTimeout + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="186" href="#186">186</a> .replace(<span class="jxr_string">"-ZKSTO"</span>, <span class="jxr_string">"-ZKSTO "</span> + zkSessionTimeout + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="187" href="#187">187</a> .replace(<span class="jxr_string">"-EADSCO"</span>, -<a class="jxr_linenumber" name="188" href="#188">188</a> <span class="jxr_string">"-EADSCO "</span> + userProgExitAfterDisconnect + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="189" href="#189">189</a> .replace(<span class="jxr_string">"-TCPADD"</span>, -<a class="jxr_linenumber" name="190" href="#190">190</a> <span class="jxr_string">"-TCPADD "</span> + netConf.getExtHostAddress() + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="191" href="#191">191</a> .replace(<span class="jxr_string">"-MAXHEAPPCT"</span>, -<a class="jxr_linenumber" name="192" href="#192">192</a> <span class="jxr_string">"-MAXHEAPPCT "</span> + maxHeapPctExit + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="193" href="#193">193</a> .replace( -<a class="jxr_linenumber" name="194" href="#194">194</a> <span class="jxr_string">"-STATISTICSINTERVAL"</span>, -<a class="jxr_linenumber" name="195" href="#195">195</a> <span class="jxr_string">"-STATISTICSINTERVAL "</span> + statisticsIntervalTime -<a class="jxr_linenumber" name="196" href="#196">196</a> + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="197" href="#197">197</a> .replace(<span class="jxr_string">"-STATISTICSLIMIT"</span>, -<a class="jxr_linenumber" name="198" href="#198">198</a> <span class="jxr_string">"-STATISTICSLIMIT "</span> + statisticsLimitTime + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="199" href="#199">199</a> .replace(<span class="jxr_string">"-STATISTICSTYPE"</span>, -<a class="jxr_linenumber" name="200" href="#200">200</a> <span class="jxr_string">"-STATISTICSTYPE "</span> + statisticsType + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="201" href="#201">201</a> .replace(<span class="jxr_string">"-STATISTICSENABLE"</span>, -<a class="jxr_linenumber" name="202" href="#202">202</a> <span class="jxr_string">"-STATISTICSENABLE "</span> + statisticsEnable + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="203" href="#203">203</a> .replace(<span class="jxr_string">"-SQLPLAN"</span>, <span class="jxr_string">"-SQLPLAN "</span> + sqlplanEnable + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="204" href="#204">204</a> .replace(<span class="jxr_string">"-PORTMAPTOSECS"</span>, -<a class="jxr_linenumber" name="205" href="#205">205</a> <span class="jxr_string">"-PORTMAPTOSECS "</span> + userProgPortMapToSecs + <span class="jxr_string">" "</span>) -<a class="jxr_linenumber" name="206" href="#206">206</a> .replace(<span class="jxr_string">"-PORTBINDTOSECS"</span>, -<a class="jxr_linenumber" name="207" href="#207">207</a> <span class="jxr_string">"-PORTBINDTOSECS "</span> + userProgPortBindToSecs) -<a class="jxr_linenumber" name="208" href="#208">208</a> .replace(<span class="jxr_string">"&lt;"</span>, <span class="jxr_string">"<"</span>).replace(<span class="jxr_string">"&amp;"</span>, <span class="jxr_string">"&"</span>) -<a class="jxr_linenumber" name="209" href="#209">209</a> .replace(<span class="jxr_string">"&gt;"</span>, <span class="jxr_string">">"</span>); -<a class="jxr_linenumber" name="210" href="#210">210</a> scriptContext.setCommand(command); -<a class="jxr_linenumber" name="211" href="#211">211</a> } -<a class="jxr_linenumber" name="212" href="#212">212</a> -<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exec() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="214" href="#214">214</a> cleanupZk(); -<a class="jxr_linenumber" name="215" href="#215">215</a> LOG.info(<span class="jxr_string">"Instance : ["</span> + childInstance + <span class="jxr_string">"], User program exec ["</span> + scriptContext.getCommand() + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="216" href="#216">216</a> ScriptManager.getInstance().runScript(scriptContext);<em class="jxr_comment">// This will</em> -<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_comment">// block while</em> -<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_comment">// user prog is</em> -<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_comment">// running</em> -<a class="jxr_linenumber" name="220" href="#220">220</a> LOG.info(<span class="jxr_string">"Instance : ["</span> + childInstance + <span class="jxr_string">"], User program exit ["</span> + scriptContext.getExitCode() + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="221" href="#221">221</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(); -<a class="jxr_linenumber" name="222" href="#222">222</a> sb.append(<span class="jxr_string">"exit code ["</span> + scriptContext.getExitCode() + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">if</strong> (!scriptContext.getStdOut().toString().isEmpty()) -<a class="jxr_linenumber" name="224" href="#224">224</a> sb.append(<span class="jxr_string">", stdout ["</span> + scriptContext.getStdOut().toString() -<a class="jxr_linenumber" name="225" href="#225">225</a> + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">if</strong> (!scriptContext.getStdErr().toString().isEmpty()) -<a class="jxr_linenumber" name="227" href="#227">227</a> sb.append(<span class="jxr_string">", stderr ["</span> + scriptContext.getStdErr().toString() -<a class="jxr_linenumber" name="228" href="#228">228</a> + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="229" href="#229">229</a> LOG.info(sb.toString()); -<a class="jxr_linenumber" name="230" href="#230">230</a> -<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">switch</strong> (scriptContext.getExitCode()) { -<a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">case</strong> 3: -<a class="jxr_linenumber" name="233" href="#233">233</a> LOG.error(<span class="jxr_string">"Trafodion is not running"</span>); -<a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">break</strong>; -<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">case</strong> 127: -<a class="jxr_linenumber" name="236" href="#236">236</a> LOG.error(<span class="jxr_string">"Cannot find user program executable"</span>); -<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">break</strong>; -<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">default</strong>: -<a class="jxr_linenumber" name="239" href="#239">239</a> } -<a class="jxr_linenumber" name="240" href="#240">240</a> } -<a class="jxr_linenumber" name="241" href="#241">241</a> -<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> cleanupZk() { -<a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="244" href="#244">244</a> Stat stat = zkc.exists(registeredPath, false); -<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) -<a class="jxr_linenumber" name="246" href="#246">246</a> zkc.delete(registeredPath, -1); -<a class="jxr_linenumber" name="247" href="#247">247</a> } <strong class="jxr_keyword">catch</strong> (KeeperException | InterruptedException e) { -<a class="jxr_linenumber" name="248" href="#248">248</a> e.printStackTrace(); -<a class="jxr_linenumber" name="249" href="#249">249</a> LOG.error(e.getMessage(), e); -<a class="jxr_linenumber" name="250" href="#250">250</a> } -<a class="jxr_linenumber" name="251" href="#251">251</a> } -<a class="jxr_linenumber" name="252" href="#252">252</a> } +<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a>(CountDownLatch startSignal) { +<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">this</strong>.startSignal = startSignal; +<a class="jxr_linenumber" name="96" href="#96">96</a> } +<a class="jxr_linenumber" name="97" href="#97">97</a> +<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event) { +<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">if</strong> (event.getType() == Event.EventType.NodeDeleted) { +<a class="jxr_linenumber" name="100" href="#100">100</a> String znodePath = event.getPath(); +<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { +<a class="jxr_linenumber" name="102" href="#102">102</a> LOG.debug(<span class="jxr_string">"Registered znode deleted ["</span> + znodePath + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="103" href="#103">103</a> } +<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">try</strong> { +<a class="jxr_linenumber" name="105" href="#105">105</a> startSignal.countDown(); +<a class="jxr_linenumber" name="106" href="#106">106</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { +<a class="jxr_linenumber" name="107" href="#107">107</a> e.printStackTrace(); +<a class="jxr_linenumber" name="108" href="#108">108</a> LOG.error(e); +<a class="jxr_linenumber" name="109" href="#109">109</a> } +<a class="jxr_linenumber" name="110" href="#110">110</a> } +<a class="jxr_linenumber" name="111" href="#111">111</a> } +<a class="jxr_linenumber" name="112" href="#112">112</a> } +<a class="jxr_linenumber" name="113" href="#113">113</a> +<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a> { +<a class="jxr_linenumber" name="115" href="#115">115</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>(); +<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">int</strong> childInstance; +<a class="jxr_linenumber" name="117" href="#117">117</a> String registeredPath; +<a class="jxr_linenumber" name="118" href="#118">118</a> Stat stat = <strong class="jxr_keyword">null</strong>; +<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">boolean</strong> isRunning = false; +<a class="jxr_linenumber" name="120" href="#120">120</a> String nid; +<a class="jxr_linenumber" name="121" href="#121">121</a> String pid; +<a class="jxr_linenumber" name="122" href="#122">122</a> +<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a>(<strong class="jxr_keyword">int</strong> childInstance, String registeredPath) { +<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance; +<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">this</strong>.registeredPath = registeredPath; +<a class="jxr_linenumber" name="126" href="#126">126</a> } +<a class="jxr_linenumber" name="127" href="#127">127</a> +<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> monitor() { +<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">try</strong> { +<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { +<a class="jxr_linenumber" name="131" href="#131">131</a> LOG.debug(<span class="jxr_string">"registered path ["</span> + registeredPath + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="132" href="#132">132</a> } +<a class="jxr_linenumber" name="133" href="#133">133</a> stat = zkc.exists(registeredPath, false); +<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) { <em class="jxr_comment">// User program znode found in</em> +<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_comment">// /registered...check pid</em> +<a class="jxr_linenumber" name="136" href="#136">136</a> isRunning = isPidRunning(); +<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { +<a class="jxr_linenumber" name="138" href="#138">138</a> LOG.debug(<span class="jxr_string">"["</span> + (Integer.parseInt(nid) + 1) + <span class="jxr_string">":"</span> + childInstance + <span class="jxr_string">"]."</span> + pid + <span class="jxr_string">".isRunning ["</span> +<a class="jxr_linenumber" name="139" href="#139">139</a> + isRunning + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="140" href="#140">140</a> } +<a class="jxr_linenumber" name="141" href="#141">141</a> } +<a class="jxr_linenumber" name="142" href="#142">142</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { +<a class="jxr_linenumber" name="143" href="#143">143</a> LOG.warn(e.getMessage(), e); +<a class="jxr_linenumber" name="144" href="#144">144</a> isRunning = false; +<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">return</strong> isRunning; +<a class="jxr_linenumber" name="146" href="#146">146</a> } +<a class="jxr_linenumber" name="147" href="#147">147</a> +<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">return</strong> isRunning; +<a class="jxr_linenumber" name="149" href="#149">149</a> } +<a class="jxr_linenumber" name="150" href="#150">150</a> +<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isPidRunning() <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="152" href="#152">152</a> String data = Bytes.toString(zkc.getData(registeredPath, false, +<a class="jxr_linenumber" name="153" href="#153">153</a> stat)); +<a class="jxr_linenumber" name="154" href="#154">154</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(data); +<a class="jxr_linenumber" name="155" href="#155">155</a> scn.useDelimiter(<span class="jxr_string">":"</span>); +<a class="jxr_linenumber" name="156" href="#156">156</a> scn.next();<em class="jxr_comment">// state</em> +<a class="jxr_linenumber" name="157" href="#157">157</a> scn.next();<em class="jxr_comment">// timestamp</em> +<a class="jxr_linenumber" name="158" href="#158">158</a> scn.next();<em class="jxr_comment">// dialogue Id</em> +<a class="jxr_linenumber" name="159" href="#159">159</a> nid = scn.next();<em class="jxr_comment">// nid</em> +<a class="jxr_linenumber" name="160" href="#160">160</a> pid = scn.next();<em class="jxr_comment">// pid</em> +<a class="jxr_linenumber" name="161" href="#161">161</a> scn.close(); +<a class="jxr_linenumber" name="162" href="#162">162</a> scriptContext.setHostName(hostName); +<a class="jxr_linenumber" name="163" href="#163">163</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME); +<a class="jxr_linenumber" name="164" href="#164">164</a> scriptContext.setCommand(<span class="jxr_string">"ps -p "</span> + pid); +<a class="jxr_linenumber" name="165" href="#165">165</a> ScriptManager.getInstance().runScript(scriptContext); +<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">return</strong> scriptContext.getExitCode() != 0 ? false : <strong class="jxr_keyword">true</strong>; +<a class="jxr_linenumber" name="167" href="#167">167</a> } +<a class="jxr_linenumber" name="168" href="#168">168</a> } +<a class="jxr_linenumber" name="169" href="#169">169</a> +<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a> { +<a class="jxr_linenumber" name="171" href="#171">171</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext; +<a class="jxr_linenumber" name="172" href="#172">172</a> String registeredPath; +<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">int</strong> childInstance; +<a class="jxr_linenumber" name="174" href="#174">174</a> +<a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a>(<strong class="jxr_keyword">int</strong> childInstance, String registeredPath) { +<a class="jxr_linenumber" name="176" href="#176">176</a> <strong class="jxr_keyword">this</strong>.scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>(); +<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance; +<a class="jxr_linenumber" name="178" href="#178">178</a> <strong class="jxr_keyword">this</strong>.registeredPath = registeredPath; +<a class="jxr_linenumber" name="179" href="#179">179</a> scriptContext.setHostName(hostName); +<a class="jxr_linenumber" name="180" href="#180">180</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME); +<a class="jxr_linenumber" name="181" href="#181">181</a> String command = userProgramCommand +<a class="jxr_linenumber" name="182" href="#182">182</a> .replace(<span class="jxr_string">"-ZKHOST"</span>, <span class="jxr_string">"-ZKHOST "</span> + zkc.getZkQuorum() + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="183" href="#183">183</a> .replace( +<a class="jxr_linenumber" name="184" href="#184">184</a> <span class="jxr_string">"-RZ"</span>, +<a class="jxr_linenumber" name="185" href="#185">185</a> <span class="jxr_string">"-RZ "</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span> +<a class="jxr_linenumber" name="186" href="#186">186</a> + childInstance + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="187" href="#187">187</a> .replace(<span class="jxr_string">"-ZKPNODE"</span>, +<a class="jxr_linenumber" name="188" href="#188">188</a> <span class="jxr_string">"-ZKPNODE "</span> + <span class="jxr_string">"\""</span> + parentZnode + <span class="jxr_string">"\""</span> + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="189" href="#189">189</a> .replace(<span class="jxr_string">"-CNGTO"</span>, <span class="jxr_string">"-CNGTO "</span> + connectingTimeout + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="190" href="#190">190</a> .replace(<span class="jxr_string">"-ZKSTO"</span>, <span class="jxr_string">"-ZKSTO "</span> + zkSessionTimeout + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="191" href="#191">191</a> .replace(<span class="jxr_string">"-EADSCO"</span>, +<a class="jxr_linenumber" name="192" href="#192">192</a> <span class="jxr_string">"-EADSCO "</span> + userProgExitAfterDisconnect + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="193" href="#193">193</a> .replace(<span class="jxr_string">"-TCPADD"</span>, +<a class="jxr_linenumber" name="194" href="#194">194</a> <span class="jxr_string">"-TCPADD "</span> + netConf.getExtHostAddress() + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="195" href="#195">195</a> .replace(<span class="jxr_string">"-MAXHEAPPCT"</span>, +<a class="jxr_linenumber" name="196" href="#196">196</a> <span class="jxr_string">"-MAXHEAPPCT "</span> + maxHeapPctExit + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="197" href="#197">197</a> .replace( +<a class="jxr_linenumber" name="198" href="#198">198</a> <span class="jxr_string">"-STATISTICSINTERVAL"</span>, +<a class="jxr_linenumber" name="199" href="#199">199</a> <span class="jxr_string">"-STATISTICSINTERVAL "</span> + statisticsIntervalTime +<a class="jxr_linenumber" name="200" href="#200">200</a> + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="201" href="#201">201</a> .replace(<span class="jxr_string">"-STATISTICSLIMIT"</span>, +<a class="jxr_linenumber" name="202" href="#202">202</a> <span class="jxr_string">"-STATISTICSLIMIT "</span> + statisticsLimitTime + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="203" href="#203">203</a> .replace(<span class="jxr_string">"-STATISTICSTYPE"</span>, +<a class="jxr_linenumber" name="204" href="#204">204</a> <span class="jxr_string">"-STATISTICSTYPE "</span> + statisticsType + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="205" href="#205">205</a> .replace(<span class="jxr_string">"-STATISTICSENABLE"</span>, +<a class="jxr_linenumber" name="206" href="#206">206</a> <span class="jxr_string">"-STATISTICSENABLE "</span> + statisticsEnable + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="207" href="#207">207</a> .replace(<span class="jxr_string">"-SQLPLAN"</span>, <span class="jxr_string">"-SQLPLAN "</span> + sqlplanEnable + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="208" href="#208">208</a> .replace(<span class="jxr_string">"-PORTMAPTOSECS"</span>, +<a class="jxr_linenumber" name="209" href="#209">209</a> <span class="jxr_string">"-PORTMAPTOSECS "</span> + userProgPortMapToSecs + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="210" href="#210">210</a> .replace(<span class="jxr_string">"-PORTBINDTOSECS"</span>, +<a class="jxr_linenumber" name="211" href="#211">211</a> <span class="jxr_string">"-PORTBINDTOSECS "</span> + userProgPortBindToSecs) +<a class="jxr_linenumber" name="212" href="#212">212</a> .replace(<span class="jxr_string">"-TCPKEEPALIVESTATUS"</span>, +<a class="jxr_linenumber" name="213" href="#213">213</a> <span class="jxr_string">"-TCPKEEPALIVESTATUS "</span> + userProgKeepaliveStatus + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="214" href="#214">214</a> .replace(<span class="jxr_string">"-TCPKEEPALIVEIDLETIME"</span>, +<a class="jxr_linenumber" name="215" href="#215">215</a> <span class="jxr_string">"-TCPKEEPALIVEIDLETIME "</span> + userProgKeepaliveIdletime + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="216" href="#216">216</a> .replace(<span class="jxr_string">"-TCPKEEPALIVEINTERVAL"</span>, +<a class="jxr_linenumber" name="217" href="#217">217</a> <span class="jxr_string">"-TCPKEEPALIVEINTERVAL "</span> + userProgKeepaliveIntervaltime + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="218" href="#218">218</a> .replace(<span class="jxr_string">"-TCPKEEPALIVERETRYCOUNT"</span>, +<a class="jxr_linenumber" name="219" href="#219">219</a> <span class="jxr_string">"-TCPKEEPALIVERETRYCOUNT "</span> + userProgKeepaliveRetrycount + <span class="jxr_string">" "</span>) +<a class="jxr_linenumber" name="220" href="#220">220</a> .replace(<span class="jxr_string">"&lt;"</span>, <span class="jxr_string">"<"</span>).replace(<span class="jxr_string">"&amp;"</span>, <span class="jxr_string">"&"</span>) +<a class="jxr_linenumber" name="221" href="#221">221</a> .replace(<span class="jxr_string">"&gt;"</span>, <span class="jxr_string">">"</span>); +<a class="jxr_linenumber" name="222" href="#222">222</a> scriptContext.setCommand(command); +<a class="jxr_linenumber" name="223" href="#223">223</a> } +<a class="jxr_linenumber" name="224" href="#224">224</a> +<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exec() <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="226" href="#226">226</a> cleanupZk(); +<a class="jxr_linenumber" name="227" href="#227">227</a> LOG.info(<span class="jxr_string">"Instance : ["</span> + childInstance + <span class="jxr_string">"], User program exec ["</span> + scriptContext.getCommand() + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="228" href="#228">228</a> ScriptManager.getInstance().runScript(scriptContext);<em class="jxr_comment">// This will</em> +<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_comment">// block while</em> +<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_comment">// user prog is</em> +<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_comment">// running</em> +<a class="jxr_linenumber" name="232" href="#232">232</a> LOG.info(<span class="jxr_string">"Instance : ["</span> + childInstance + <span class="jxr_string">"], User program exit ["</span> + scriptContext.getExitCode() + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="233" href="#233">233</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(); +<a class="jxr_linenumber" name="234" href="#234">234</a> sb.append(<span class="jxr_string">"exit code ["</span> + scriptContext.getExitCode() + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">if</strong> (!scriptContext.getStdOut().toString().isEmpty()) +<a class="jxr_linenumber" name="236" href="#236">236</a> sb.append(<span class="jxr_string">", stdout ["</span> + scriptContext.getStdOut().toString() +<a class="jxr_linenumber" name="237" href="#237">237</a> + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">if</strong> (!scriptContext.getStdErr().toString().isEmpty()) +<a class="jxr_linenumber" name="239" href="#239">239</a> sb.append(<span class="jxr_string">", stderr ["</span> + scriptContext.getStdErr().toString() +<a class="jxr_linenumber" name="240" href="#240">240</a> + <span class="jxr_string">"]"</span>); +<a class="jxr_linenumber" name="241" href="#241">241</a> LOG.info(sb.toString()); +<a class="jxr_linenumber" name="242" href="#242">242</a> +<a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">switch</strong> (scriptContext.getExitCode()) { +<a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">case</strong> 3: +<a class="jxr_linenumber" name="245" href="#245">245</a> LOG.error(<span class="jxr_string">"Trafodion is not running"</span>); +<a class="jxr_linenumber" name="246" href="#246">246</a> <strong class="jxr_keyword">break</strong>; +<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">case</strong> 127: +<a class="jxr_linenumber" name="248" href="#248">248</a> LOG.error(<span class="jxr_string">"Cannot find user program executable"</span>); +<a class="jxr_linenumber" name="249" href="#249">249</a> <strong class="jxr_keyword">break</strong>; +<a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">default</strong>: +<a class="jxr_linenumber" name="251" href="#251">251</a> } +<a class="jxr_linenumber" name="252" href="#252">252</a> } <a class="jxr_linenumber" name="253" href="#253">253</a> -<a class="jxr_linenumber" name="254" href="#254">254</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a> <strong class="jxr_keyword">implements</strong> Callable<Integer> { -<a class="jxr_linenumber" name="255" href="#255">255</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a> serverMonitor; -<a class="jxr_linenumber" name="256" href="#256">256</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a> serverRunner; -<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">int</strong> childInstance; -<a class="jxr_linenumber" name="258" href="#258">258</a> String registeredPath; -<a class="jxr_linenumber" name="259" href="#259">259</a> CountDownLatch startSignal = <strong class="jxr_keyword">new</strong> CountDownLatch(1); -<a class="jxr_linenumber" name="260" href="#260">260</a> <a href="../../../../org/trafodion/dcs/util/RetryCounter.html">RetryCounter</a> retryCounter; -<a class="jxr_linenumber" name="261" href="#261">261</a> -<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>(Configuration conf ,<strong class="jxr_keyword">int</strong> childInstance) { -<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">int</strong> maxRestartAttempts = conf.getInt(Constants.DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS, -<a class="jxr_linenumber" name="264" href="#264">264</a> Constants.DEFAULT_DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS); -<a class="jxr_linenumber" name="265" href="#265">265</a> <strong class="jxr_keyword">int</strong> retryTimeoutMinutes = conf.getInt( -<a class="jxr_linenumber" name="266" href="#266">266</a> Constants.DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_RETRY_TIMEOUT_MINUTES, -<a class="jxr_linenumber" name="267" href="#267">267</a> Constants.DEFAULT_DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_RETRY_TIMEOUT_MINUTES); -<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance; -<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">this</strong>.registeredPath = parentZnode -<a class="jxr_linenumber" name="270" href="#270">270</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED -<a class="jxr_linenumber" name="271" href="#271">271</a> + <span class="jxr_string">"/"</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span> + childInstance; -<a class="jxr_linenumber" name="272" href="#272">272</a> retryCounter = RetryCounterFactory.create(maxRestartAttempts, retryTimeoutMinutes, TimeUnit.MINUTES); -<a class="jxr_linenumber" name="273" href="#273">273</a> serverMonitor = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a>(childInstance, registeredPath); -<a class="jxr_linenumber" name="274" href="#274">274</a> serverRunner = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a>(childInstance, registeredPath); -<a class="jxr_linenumber" name="275" href="#275">275</a> } -<a class="jxr_linenumber" name="276" href="#276">276</a> -<a class="jxr_linenumber" name="277" href="#277">277</a> @Override -<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">public</strong> Integer call() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="279" href="#279">279</a> Integer result = <strong class="jxr_keyword">new</strong> Integer(childInstance); -<a class="jxr_linenumber" name="280" href="#280">280</a> -<a class="jxr_linenumber" name="281" href="#281">281</a> <strong class="jxr_keyword">if</strong> (serverMonitor.monitor()) { -<a class="jxr_linenumber" name="282" href="#282">282</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + childInstance -<a class="jxr_linenumber" name="283" href="#283">283</a> + <span class="jxr_string">"] is running"</span>); -<a class="jxr_linenumber" name="284" href="#284">284</a> zkc.exists(registeredPath, <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a>(startSignal)); -<a class="jxr_linenumber" name="285" href="#285">285</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { -<a class="jxr_linenumber" name="286" href="#286">286</a> LOG.debug(<span class="jxr_string">"Waiting for start signal"</span>); -<a class="jxr_linenumber" name="287" href="#287">287</a> } -<a class="jxr_linenumber" name="288" href="#288">288</a> startSignal.await(); -<a class="jxr_linenumber" name="289" href="#289">289</a> serverRunner.exec(); -<a class="jxr_linenumber" name="290" href="#290">290</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="291" href="#291">291</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + childInstance -<a class="jxr_linenumber" name="292" href="#292">292</a> + <span class="jxr_string">"] is not running"</span>); -<a class="jxr_linenumber" name="293" href="#293">293</a> serverRunner.exec(); -<a class="jxr_linenumber" name="294" href="#294">294</a> } -<a class="jxr_linenumber" name="295" href="#295">295</a> -<a class="jxr_linenumber" name="296" href="#296">296</a> <strong class="jxr_keyword">return</strong> result; -<a class="jxr_linenumber" name="297" href="#297">297</a> } -<a class="jxr_linenumber" name="298" href="#298">298</a> } -<a class="jxr_linenumber" name="299" href="#299">299</a> -<a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerManager</a>(Configuration conf, <a href="../../../../org/trafodion/dcs/zookeeper/ZkClient.html">ZkClient</a> zkc, -<a class="jxr_linenumber" name="301" href="#301">301</a> <a href="../../../../org/trafodion/dcs/util/DcsNetworkConfiguration.html">DcsNetworkConfiguration</a> netConf, String instance, <strong class="jxr_keyword">int</strong> infoPort, -<a class="jxr_linenumber" name="302" href="#302">302</a> <strong class="jxr_keyword">int</strong> childServers) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="303" href="#303">303</a> <strong class="jxr_keyword">this</strong>.conf = conf; -<a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">this</strong>.zkc = zkc; -<a class="jxr_linenumber" name="305" href="#305">305</a> <strong class="jxr_keyword">this</strong>.netConf = netConf; -<a class="jxr_linenumber" name="306" href="#306">306</a> <strong class="jxr_keyword">this</strong>.hostName = netConf.getHostName(); -<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">this</strong>.instance = Integer.parseInt(instance); -<a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">this</strong>.infoPort = infoPort; -<a class="jxr_linenumber" name="309" href="#309">309</a> <strong class="jxr_keyword">this</strong>.childServers = childServers; -<a class="jxr_linenumber" name="310" href="#310">310</a> <strong class="jxr_keyword">this</strong>.parentZnode = <strong class="jxr_keyword">this</strong>.conf.get(Constants.ZOOKEEPER_ZNODE_PARENT, -<a class="jxr_linenumber" name="311" href="#311">311</a> Constants.DEFAULT_ZOOKEEPER_ZNODE_PARENT); -<a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">this</strong>.connectingTimeout = <strong class="jxr_keyword">this</strong>.conf.getInt( -<a class="jxr_linenumber" name="313" href="#313">313</a> Constants.DCS_SERVER_USER_PROGRAM_CONNECTING_TIMEOUT, -<a class="jxr_linenumber" name="314" href="#314">314</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_CONNECTING_TIMEOUT); -<a class="jxr_linenumber" name="315" href="#315">315</a> <strong class="jxr_keyword">this</strong>.zkSessionTimeout = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="316" href="#316">316</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_ZOOKEEPER_SESSION_TIMEOUT, -<a class="jxr_linenumber" name="317" href="#317">317</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_ZOOKEEPER_SESSION_TIMEOUT); -<a class="jxr_linenumber" name="318" href="#318">318</a> <strong class="jxr_keyword">this</strong>.userProgExitAfterDisconnect = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="319" href="#319">319</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_EXIT_AFTER_DISCONNECT, -<a class="jxr_linenumber" name="320" href="#320">320</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_EXIT_AFTER_DISCONNECT); -<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">this</strong>.maxHeapPctExit = <strong class="jxr_keyword">this</strong>.conf.getInt( -<a class="jxr_linenumber" name="322" href="#322">322</a> Constants.DCS_SERVER_USER_PROGRAM_MAX_HEAP_PCT_EXIT, -<a class="jxr_linenumber" name="323" href="#323">323</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_MAX_HEAP_PCT_EXIT); -<a class="jxr_linenumber" name="324" href="#324">324</a> <strong class="jxr_keyword">this</strong>.statisticsIntervalTime = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="325" href="#325">325</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_INTERVAL_TIME, -<a class="jxr_linenumber" name="326" href="#326">326</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_INTERVAL_TIME); -<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">this</strong>.statisticsLimitTime = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="328" href="#328">328</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_LIMIT_TIME, -<a class="jxr_linenumber" name="329" href="#329">329</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_LIMIT_TIME); -<a class="jxr_linenumber" name="330" href="#330">330</a> <strong class="jxr_keyword">this</strong>.statisticsType = <strong class="jxr_keyword">this</strong>.conf.get( -<a class="jxr_linenumber" name="331" href="#331">331</a> Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_TYPE, -<a class="jxr_linenumber" name="332" href="#332">332</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_TYPE); -<a class="jxr_linenumber" name="333" href="#333">333</a> <strong class="jxr_keyword">this</strong>.statisticsEnable = <strong class="jxr_keyword">this</strong>.conf.get( -<a class="jxr_linenumber" name="334" href="#334">334</a> Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_ENABLE, -<a class="jxr_linenumber" name="335" href="#335">335</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_ENABLE); -<a class="jxr_linenumber" name="336" href="#336">336</a> <strong class="jxr_keyword">this</strong>.sqlplanEnable = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="337" href="#337">337</a> .get(Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_SQLPLAN_ENABLE, -<a class="jxr_linenumber" name="338" href="#338">338</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_SQLPLAN_ENABLE); -<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">this</strong>.userProgPortMapToSecs = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="340" href="#340">340</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_PORT_MAP_TIMEOUT_SECONDS, -<a class="jxr_linenumber" name="341" href="#341">341</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_PORT_MAP_TIMEOUT_SECONDS); -<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">this</strong>.userProgPortBindToSecs = <strong class="jxr_keyword">this</strong>.conf -<a class="jxr_linenumber" name="343" href="#343">343</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_PORT_BIND_TIMEOUT_SECONDS, -<a class="jxr_linenumber" name="344" href="#344">344</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_PORT_BIND_TIMEOUT_SECONDS); -<a class="jxr_linenumber" name="345" href="#345">345</a> <strong class="jxr_keyword">this</strong>.maxRestartAttempts = conf -<a class="jxr_linenumber" name="346" href="#346">346</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS, -<a class="jxr_linenumber" name="347" href="#347">347</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS); -<a class="jxr_linenumber" name="348" href="#348">348</a> <strong class="jxr_keyword">this</strong>.retryIntervalMillis = conf -<a class="jxr_linenumber" name="349" href="#349">349</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_RETRY_INTERVAL_MILLIS, -<a class="jxr_linenumber" name="350" href="#350">350</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_RETRY_INTERVAL_MILLIS); -<a class="jxr_linenumber" name="351" href="#351">351</a> serverHandlers = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>[<strong class="jxr_keyword">this</strong>.childServers]; -<a class="jxr_linenumber" name="352" href="#352">352</a> } -<a class="jxr_linenumber" name="353" href="#353">353</a> -<a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isTrafodionRunning(String nid) { -<a class="jxr_linenumber" name="355" href="#355">355</a> -<a class="jxr_linenumber" name="356" href="#356">356</a> <em class="jxr_comment">// Check if the given Node is up and running</em> -<a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_comment">// return true else return false.</em> -<a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_comment">// Invoke sqcheck -n <nid> to check Node status. </em> -<a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_comment">// </em> -<a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_comment">// sqcheck returns:</em> -<a class="jxr_linenumber" name="361" href="#361">361</a> <em class="jxr_comment">// -1 - Not up ($?=255) or node down</em> -<a class="jxr_linenumber" name="362" href="#362">362</a> <em class="jxr_comment">// 0 - Fully up and operational or node up</em> -<a class="jxr_linenumber" name="363" href="#363">363</a> <em class="jxr_comment">// 1 - Partially up and operational</em> -<a class="jxr_linenumber" name="364" href="#364">364</a> <em class="jxr_comment">// 2 - Partially up and NOT operational</em> -<a class="jxr_linenumber" name="365" href="#365">365</a> -<a class="jxr_linenumber" name="366" href="#366">366</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>(); -<a class="jxr_linenumber" name="367" href="#367">367</a> scriptContext.setHostName(hostName); -<a class="jxr_linenumber" name="368" href="#368">368</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME); -<a class="jxr_linenumber" name="369" href="#369">369</a> String command; -<a class="jxr_linenumber" name="370" href="#370">370</a> <strong class="jxr_keyword">if</strong> (nid != <strong class="jxr_keyword">null</strong>) -<a class="jxr_linenumber" name="371" href="#371">371</a> command = (<span class="jxr_string">"sqcheck -n "</span> + nid); -<a class="jxr_linenumber" name="372" href="#372">372</a> <strong class="jxr_keyword">else</strong> -<a class="jxr_linenumber" name="373" href="#373">373</a> command = (<span class="jxr_string">"sqcheck"</span>); -<a class="jxr_linenumber" name="374" href="#374">374</a> scriptContext.setCommand(command); -<a class="jxr_linenumber" name="375" href="#375">375</a> ScriptManager.getInstance().runScript(scriptContext);<em class="jxr_comment">// This will</em> -<a class="jxr_linenumber" name="376" href="#376">376</a> <em class="jxr_comment">// block while</em> -<a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_comment">// script is</em> -<a class="jxr_linenumber" name="378" href="#378">378</a> <em class="jxr_comment">// running</em> -<a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">int</strong> exitCode = scriptContext.getExitCode(); -<a class="jxr_linenumber" name="380" href="#380">380</a> <strong class="jxr_keyword">return</strong> (exitCode == 0 || exitCode == 1) ? <strong class="jxr_keyword">true</strong> : false; -<a class="jxr_linenumber" name="381" href="#381">381</a> } -<a class="jxr_linenumber" name="382" href="#382">382</a> -<a class="jxr_linenumber" name="383" href="#383">383</a> @Override -<a class="jxr_linenumber" name="384" href="#384">384</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="385" href="#385">385</a> -<a class="jxr_linenumber" name="386" href="#386">386</a> ExecutorService executorService = Executors -<a class="jxr_linenumber" name="387" href="#387">387</a> .newFixedThreadPool(childServers); -<a class="jxr_linenumber" name="388" href="#388">388</a> CompletionService<Integer> completionService = <strong class="jxr_keyword">new</strong> ExecutorCompletionService<Integer>( -<a class="jxr_linenumber" name="389" href="#389">389</a> executorService); -<a class="jxr_linenumber" name="390" href="#390">390</a> -<a class="jxr_linenumber" name="391" href="#391">391</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="392" href="#392">392</a> getMaster(); -<a class="jxr_linenumber" name="393" href="#393">393</a> featureCheck(); -<a class="jxr_linenumber" name="394" href="#394">394</a> registerInRunning(instance); -<a class="jxr_linenumber" name="395" href="#395">395</a> <a href="../../../../org/trafodion/dcs/util/RetryCounter.html">RetryCounter</a> retryCounter = RetryCounterFactory.create(maxRestartAttempts, retryIntervalMillis); -<a class="jxr_linenumber" name="396" href="#396">396</a> <strong class="jxr_keyword">while</strong> (!isTrafodionRunning(nid)) { -<a class="jxr_linenumber" name="397" href="#397">397</a> <strong class="jxr_keyword">if</strong> (!retryCounter.shouldRetry()) { -<a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">if</strong> (nid != <strong class="jxr_keyword">null</strong>) -<a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Node "</span> + nid + <span class="jxr_string">" is not Up"</span>); -<a class="jxr_linenumber" name="400" href="#400">400</a> <strong class="jxr_keyword">else</strong> -<a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Trafodion is not running"</span>); -<a class="jxr_linenumber" name="402" href="#402">402</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="403" href="#403">403</a> retryCounter.sleepUntilNextRetry(); -<a class="jxr_linenumber" name="404" href="#404">404</a> retryCounter.useRetry(); -<a class="jxr_linenumber" name="405" href="#405">405</a> } -<a class="jxr_linenumber" name="406" href="#406">406</a> } -<a class="jxr_linenumber" name="407" href="#407">407</a> -<a class="jxr_linenumber" name="408" href="#408">408</a> <em class="jxr_comment">// When started from bin/dcs-start.sh script childServers will</em> -<a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_comment">// contain the</em> -<a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_comment">// count passed in from the servers.sh script. However when</em> -<a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_comment">// DcsServer is</em> -<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_comment">// killed or dies for any reason DcsMaster restarts it using</em> -<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_comment">// /bin/dcs-daemon script</em> -<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_comment">// which DOES NOT set childServers count.</em> -<a class="jxr_linenumber" name="415" href="#415">415</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> childInstance = 1; childInstance <= childServers; childInstance++) { -<a class="jxr_linenumber" name="416" href="#416">416</a> serverHandlers[childInstance-1] = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>(conf, childInstance); -<a class="jxr_linenumber" name="417" href="#417">417</a> completionService.submit(serverHandlers[childInstance-1]); -<a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { -<a class="jxr_linenumber" name="419" href="#419">419</a> LOG.debug(<span class="jxr_string">"Started server handler ["</span> + instance + <span class="jxr_string">":"</span> -<a class="jxr_linenumber" name="420" href="#420">420</a> + childInstance + <span class="jxr_string">"]"</span>); -<a class="jxr_linenumber" name="421" href="#421">421</a> } -<a class="jxr_linenumber" name="422" href="#422">422</a> } -<a class="jxr_linenumber" name="423" href="#423">423</a> -<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) { -<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { -<a class="jxr_linenumber" name="426" href="#426">426</a> LOG.debug(<span class="jxr_string">"Waiting for any server handler to finish"</span>); -<a class="jxr_linenumber" name="427" href="#427">427</a> } -<a class="jxr_linenumber" name="428" href="#428">428</a> Future<Integer> f = completionService.take();<em class="jxr_comment">// blocks waiting</em> -<a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_comment">// for any</em> -<a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_comment">// ServerHandler to</em> -<a class="jxr_linenumber" name="431" href="#431">431</a> <em class="jxr_comment">// finish</em> -<a class="jxr_linenumber" name="432" href="#432">432</a> <strong class="jxr_keyword">if</strong> (f != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="433" href="#433">433</a> Integer result = f.get(); -<a class="jxr_linenumber" name="434" href="#434">434</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + result + <span class="jxr_string">"] exit"</span>); -<a class="jxr_linenumber" name="435" href="#435">435</a> -<a class="jxr_linenumber" name="436" href="#436">436</a> retryCounter = RetryCounterFactory.create(maxRestartAttempts, retryIntervalMillis); -<a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">while</strong> (!isTrafodionRunning(nid)) { -<a class="jxr_linenumber" name="438" href="#438">438</a> <strong class="jxr_keyword">if</strong> (!retryCounter.shouldRetry()) { -<a class="jxr_linenumber" name="439" href="#439">439</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Node "</span> + nid + <span class="jxr_string">" is not Up"</span>); -<a class="jxr_linenumber" name="440" href="#440">440</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="441" href="#441">441</a> retryCounter.sleepUntilNextRetry(); -<a class="jxr_linenumber" name="442" href="#442">442</a> retryCounter.useRetry(); -<a class="jxr_linenumber" name="443" href="#443">443</a> } -<a class="jxr_linenumber" name="444" href="#444">444</a> } -<a class="jxr_linenumber" name="445" href="#445">445</a> <strong class="jxr_keyword">int</strong> childInstance = result.intValue(); -<a class="jxr_linenumber" name="446" href="#446">446</a> <em class="jxr_comment">// get the node id</em> -<a class="jxr_linenumber" name="447" href="#447">447</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a> previousServerHandler = serverHandlers[childInstance - 1]; -<a class="jxr_linenumber" name="448" href="#448">448</a> <strong class="jxr_keyword">if</strong> (previousServerHandler.retryCounter.shouldRetryInnerMinutes()) { -<a class="jxr_linenumber" name="449" href="#449">449</a> serverHandlers[childInstance - 1] = previousServerHandler; -<a class="jxr_linenumber" name="450" href="#450">450</a> completionService.submit(serverHandlers[childInstance - 1]); -<a class="jxr_linenumber" name="451" href="#451">451</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="452" href="#452">452</a> serverHandlers[childInstance - 1] = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="453" href="#453">453</a> } -<a class="jxr_linenumber" name="454" href="#454">454</a> } -<a class="jxr_linenumber" name="455" href="#455">455</a> } -<a class="jxr_linenumber" name="456" href="#456">456</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { -<a class="jxr_linenumber" name="457" href="#457">457</a> e.printStackTrace(); -<a class="jxr_linenumber" name="458" href="#458">458</a> LOG.error(e); -<a class="jxr_linenumber" name="459" href="#459">459</a> <strong class="jxr_keyword">if</strong> (executorService != <strong class="jxr_keyword">null</strong>) -<a class="jxr_linenumber" name="460" href="#460">460</a> executorService.shutdown(); -<a class="jxr_linenumber" name="461" href="#461">461</a> <strong class="jxr_keyword">throw</strong> e; -<a class="jxr_linenumber" name="462" href="#462">462</a> } -<a class="jxr_linenumber" name="463" href="#463">463</a> <em class="jxr_comment">/*</em> -<a class="jxr_linenumber" name="464" href="#464">464</a> <em class="jxr_comment"> * ExecutorService pool = Executors.newSingleThreadExecutor();</em> -<a class="jxr_linenumber" name="465" href="#465">465</a> <em class="jxr_comment"> * </em> -<a class="jxr_linenumber" name="466" href="#466">466</a> <em class="jxr_comment"> * try { getMaster(); registerInRunning(); featureCheck();</em> -<a class="jxr_linenumber" name="467" href="#467">467</a> <em class="jxr_comment"> * </em> -<a class="jxr_linenumber" name="468" href="#468">468</a> <em class="jxr_comment"> * Callable<Boolean> serverMonitor = new ServerMonitor();</em> -<a class="jxr_linenumber" name="469" href="#469">469</a> <em class="jxr_comment"> * Callable<ScriptContext> serverRunner = new ServerRunner();</em> -<a class="jxr_linenumber" name="470" href="#470">470</a> <em class="jxr_comment"> * </em> -<a class="jxr_linenumber" name="471" href="#471">471</a> <em class="jxr_comment"> * long timeoutMillis=5000;</em> -<a class="jxr_linenumber" name="472" href="#472">472</a> <em class="jxr_comment"> * </em> -<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_comment"> * while(true) { Future<Boolean> monitor = pool.submit(serverMonitor);</em> -<a class="jxr_linenumber" name="474" href="#474">474</a> <em class="jxr_comment"> * if(false == monitor.get().booleanValue()) { //blocking call</em> -<a class="jxr_linenumber" name="475" href="#475">475</a> <em class="jxr_comment"> * LOG.info("User program is not running"); Future<ScriptContext> runner</em> -<a class="jxr_linenumber" name="476" href="#476">476</a> <em class="jxr_comment"> * = pool.submit(serverRunner); ScriptContext scriptContext =</em> -<a class="jxr_linenumber" name="477" href="#477">477</a> <em class="jxr_comment"> * runner.get();//blocking call</em> -<a class="jxr_linenumber" name="478" href="#478">478</a> <em class="jxr_comment"> * </em> -<a class="jxr_linenumber" name="479" href="#479">479</a> <em class="jxr_comment"> * StringBuilder sb = new StringBuilder(); sb.append("exit code [" +</em> -<a class="jxr_linenumber" name="480" href="#480">480</a> <em class="jxr_comment"> * scriptContext.getExitCode() + "]"); if(!</em> -<a class="jxr_linenumber" name="481" href="#481">481</a> <em class="jxr_comment"> * scriptContext.getStdOut().toString().isEmpty())</em> -<a class="jxr_linenumber" name="482" href="#482">482</a> <em class="jxr_comment"> * sb.append(", stdout [" + scriptContext.getStdOut().toString() + "]");</em> -<a class="jxr_linenumber" name="483" href="#483">483</a> <em class="jxr_comment"> * if(! scriptContext.getStdErr().toString().isEmpty())</em> -<a class="jxr_linenumber" name="484" href="#484">484</a> <em class="jxr_comment"> * sb.append(", stderr [" + scriptContext.getStdErr().toString() + "]");</em> -<a class="jxr_linenumber" name="485" href="#485">485</a> <em class="jxr_comment"> * LOG.info(sb.toString());</em> -<a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_comment"> * </em> -<a class="jxr_linenumber" name="487" href="#487">487</a> <em class="jxr_comment"> * switch(scriptContext.getExitCode()) { case 3:</em> -<a class="jxr_linenumber" name="488" href="#488">488</a> <em class="jxr_comment"> * LOG.error("Trafodion is not running"); timeoutMillis=60000; break;</em> -<a class="jxr_linenumber" name="489" href="#489">489</a> <em class="jxr_comment"> * case 127: LOG.error("Cannot find user program executable");</em> -<a class="jxr_linenumber" name="490" href="#490">490</a> <em class="jxr_comment"> * timeoutMillis=60000; break; default: timeoutMillis=5000; }</em> +<a class="jxr_linenumber" name="254" href="#254">254</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> cleanupZk() { +<a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">try</strong> { +<a class="jxr_linenumber" name="256" href="#256">256</a> Stat stat = zkc.exists(registeredPath, false); +<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="258" href="#258">258</a> zkc.delete(registeredPath, -1); +<a class="jxr_linenumber" name="259" href="#259">259</a> } <strong class="jxr_keyword">catch</strong> (KeeperException | InterruptedException e) { +<a class="jxr_linenumber" name="260" href="#260">260</a> e.printStackTrace(); +<a class="jxr_linenumber" name="261" href="#261">261</a> LOG.error(e.getMessage(), e); +<a class="jxr_linenumber" name="262" href="#262">262</a> } +<a class="jxr_linenumber" name="263" href="#263">263</a> } +<a class="jxr_linenumber" name="264" href="#264">264</a> } +<a class="jxr_linenumber" name="265" href="#265">265</a> +<a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a> <strong class="jxr_keyword">implements</strong> Callable<Integer> { +<a class="jxr_linenumber" name="267" href="#267">267</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a> serverMonitor; +<a class="jxr_linenumber" name="268" href="#268">268</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a> serverRunner; +<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">int</strong> childInstance; +<a class="jxr_linenumber" name="270" href="#270">270</a> String registeredPath; +<a class="jxr_linenumber" name="271" href="#271">271</a> CountDownLatch startSignal = <strong class="jxr_keyword">new</strong> CountDownLatch(1); +<a class="jxr_linenumber" name="272" href="#272">272</a> <a href="../../../../org/trafodion/dcs/util/RetryCounter.html">RetryCounter</a> retryCounter; +<a class="jxr_linenumber" name="273" href="#273">273</a> +<a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>(Configuration conf ,<strong class="jxr_keyword">int</strong> childInstance) { +<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">int</strong> maxRestartAttempts = conf.getInt(Constants.DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS, +<a class="jxr_linenumber" name="276" href="#276">276</a> Constants.DEFAULT_DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS); +<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">int</strong> retryTimeoutMinutes = conf.getInt( +<a class="jxr_linenumber" name="278" href="#278">278</a> Constants.DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_RETRY_TIMEOUT_MINUTES, +<a class="jxr_linenumber" name="279" href="#279">279</a> Constants.DEFAULT_DCS_SERVER_STARTUP_MXOSRVR_USER_PROGRAM_RESTART_HANDLER_RETRY_TIMEOUT_MINUTES); +<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance; +<a class="jxr_linenumber" name="281" href="#281">281</a> <strong class="jxr_keyword">this</strong>.registeredPath = parentZnode +<a class="jxr_linenumber" name="282" href="#282">282</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED +<a class="jxr_linenumber" name="283" href="#283">283</a> + <span class="jxr_string">"/"</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span> + childInstance; +<a class="jxr_linenumber" name="284" href="#284">284</a> retryCounter = RetryCounterFactory.create(maxRestartAttempts, retryTimeoutMinutes, TimeUnit.MINUTES); +<a class="jxr_linenumber" name="285" href="#285">285</a> serverMonitor = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a>(childInstance, registeredPath); +<a class="jxr_linenumber" name="286" href="#286">286</a> serverRunner = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a>(childInstance, registeredPath); +<a class="jxr_linenumber" name="287" href="#287">287</a> } +<a class="jxr_linenumber" name="288" href="#288">288</a> +<a class="jxr_linenumber" name="289" href="#289">289</a> @Override +<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">public</strong> Integer call() <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="291" href="#291">291</a> Integer result = <strong class="jxr_keyword">new</strong> Integer(childInstance); +<a class="jxr_linenumber" name="292" href="#292">292</a> +<a class="jxr_linenumber" name="293" href="#293">293</a> <strong class="jxr_keyword">if</strong> (serverMonitor.monitor()) { +<a class="jxr_linenumber" name="294" href="#294">294</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + childInstance +<a class="jxr_linenumber" name="295" href="#295">295</a> + <span class="jxr_string">"] is running"</span>); +<a class="jxr_linenumber" name="296" href="#296">296</a> zkc.exists(registeredPath, <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a>(startSignal)); +<a class="jxr_linenumber" name="297" href="#297">297</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) { +<a class="jxr_linenumber" name="298" href="#298">298</a> LOG.debug(<span class="jxr_string">"Waiting for start signal"</span>); +<a class="jxr_linenumber" name="299" href="#299">299</a> } +<a class="jxr_linenumber" name="300" href="#300">300</a> startSignal.await(); +<a class="jxr_linenumber" name="301" href="#301">301</a> serverRunner.exec(); +<a class="jxr_linenumber" name="302" href="#302">302</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="303" href="#303">303</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + childInstance +<a class="jxr_linenumber" name="304" href="#304">304</a> + <span class="jxr_string">"] is not running"</span>); +<a class="jxr_linenumber" name="305" href="#305">305</a> serverRunner.exec(); +<a class="jxr_linenumber" name="306" href="#306">306</a> } +<a class="jxr_linenumber" name="307" href="#307">307</a> +<a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">return</strong> result; +<a class="jxr_linenumber" name="309" href="#309">309</a> } +<a class="jxr_linenumber" name="310" href="#310">310</a> } +<a class="jxr_linenumber" name="311" href="#311">311</a> +<a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerManager</a>(Configuration conf, <a href="../../../../org/trafodion/dcs/zookeeper/ZkClient.html">ZkClient</a> zkc, +<a class="jxr_linenumber" name="313" href="#313">313</a> <a href="../../../../org/trafodion/dcs/util/DcsNetworkConfiguration.html">DcsNetworkConfiguration</a> netConf, String instance, <strong class="jxr_keyword">int</strong> infoPort, +<a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">int</strong> childServers) <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="315" href="#315">315</a> <strong class="jxr_keyword">this</strong>.conf = conf; +<a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">this</strong>.zkc = zkc; +<a class="jxr_linenumber" name="317" href="#317">317</a> <strong class="jxr_keyword">this</strong>.netConf = netConf; +<a class="jxr_linenumber" name="318" href="#318">318</a> <strong class="jxr_keyword">this</strong>.hostName = netConf.getHostName(); +<a class="jxr_linenumber" name="319" href="#319">319</a> <strong cl
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