1 package uk.ac.vamsas.client.picking;
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5 import java.util.logging.*;
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7 import org.apache.commons.logging.Log;
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10 * Server class that listens for incoming connections on a predefined port.
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12 class PickServer extends Thread
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14 private Log logger = org.apache.commons.logging.LogFactory.getLog(uk.ac.vamsas.client.picking.PickServer.class);
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16 // The port number we'll listen on
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17 static final int PORT = 53782;
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19 private ServerSocket serverSocket;
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20 // Set to true once the server is established
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21 private boolean isServer = false;
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22 // Set to false when server is shutting down
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23 private boolean isAlive= true;
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24 private SocketManager manager;
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27 * Constructs a new instance of the server (but doesn't start it).
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28 * @param manager a reference to the pick manager that owns this server
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30 PickServer(SocketManager manager)
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32 this.manager = manager;
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36 * Returns true if this server instance is running.
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37 * Return true if this server instance is running
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40 { return isServer; }
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43 * Attempts to create the server by opening a server socket on the port.
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44 * @return true if the server was created; false otherwise
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46 boolean createServer()
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50 serverSocket = new ServerSocket(PORT);
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53 return isServer = true;
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55 catch (IOException e)
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57 logger.debug("SERVER: " + e);
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63 * Thread listening method - loops indefinitely listening for connections.
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64 * When one is received, the socket object is passed to the manager so it
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65 * can make a full client connection for further comms.
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69 logger.debug("SERVER: listening on " + PORT + " - SERVER");
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71 // Loop forever, accepting connectons from other clients
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72 // TODO: add in the ability to terminate the server if a VAMSAS session
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78 Socket socket = serverSocket.accept();
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79 logger.info("SERVER: connection detected");
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81 manager.addEndPoint(socket);
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83 catch (IOException e) {}
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89 logger.debug("Server shutting down...");
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91 try { serverSocket.close(); }
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96 logger.debug("Server shut down complete.");
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