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package com.erggroup.buildtool.daemon;
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import com.erggroup.buildtool.daemon.BuildDaemon;
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import org.apache.log4j.Logger;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.lang.Thread;
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import java.lang.Package;
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import java.io.*;
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//----------------------------------------------------------------------------
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// CLASS : NagiosThread
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//
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// DESCRIPTION : A class to provide Nagios support
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//
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//
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public class NagiosThread extends Thread {
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// Server socket
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private ServerSocket srv;
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// BuildDaemon
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private BuildDaemon mBuildDaemon;
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// Flag that indicates whether the poller is running or not.
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private volatile boolean isRunning = true;
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/**Logger
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* @attribute
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*/
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private static final Logger mLogger = Logger.getLogger(NagiosThread.class);
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// Constructor.
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public NagiosThread(ServerSocket srv, BuildDaemon bd) {
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this.isRunning = true;
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this.srv = srv;
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this.mBuildDaemon = bd;
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}
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// Method for terminating the listener
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public void terminate() {
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mLogger.fatal("NagiosThread terminate");
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this.isRunning = false;
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}
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/**
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* This method start the thread and performs all the operations.
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*/
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public void run() {
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mLogger.fatal("NagiosThread Run");
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setName("Nagios");
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try {
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// Wait for connection from client.
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while (isRunning) {
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Socket socket = srv.accept();
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mLogger.warn("Nagios Socket Accepted");
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// Open a reader to receive (and ignore the input)
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BufferedReader rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
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// Write the status message to the outputstream
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// Currently this is too simple, but it is a start
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//
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try {
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BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
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if ( mBuildDaemon == null ) {
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wr.write("Build Daemon status: NULL\n");
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} else if ( mBuildDaemon.checkThreads() ) {
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wr.write("Build Daemon status: OK\n");
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} else {
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wr.write("Build Daemon status: NOT HAPPY\n");
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mLogger.fatal("NagiosThread: NOT HAPPY");
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}
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wr.write("Version: "+ this.getClass().getPackage().getImplementationVersion() + "\n");
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wr.write("HostName: "+ mBuildDaemon.mHostname + "\n");
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File cwd = new File(".");
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wr.write( "Usable space: " + cwd.getUsableSpace() + "\n");
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wr.flush();
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} catch (IOException e) {
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mLogger.fatal("NagiosThread caught Exception writing to port:" + e.getMessage() );
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}
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// Close the inputstream since we really don't care about it
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rd.close();
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}
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} catch (Exception e) {
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mLogger.fatal("NagiosThread caught Exception" + e.getMessage());
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}
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}
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}
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