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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23 private SocketManager manager;
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26 * Constructs a new instance of the server (but doesn't start it).
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27 * @param manager a reference to the pick manager that owns this server
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29 PickServer(SocketManager manager)
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31 this.manager = manager;
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35 * Returns true if this server instance is running.
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36 * Return true if this server instance is running
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39 { return isServer; }
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42 * Attempts to create the server by opening a server socket on the port.
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43 * @return true if the server was created; false otherwise
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45 boolean createServer()
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49 serverSocket = new ServerSocket(PORT);
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52 return isServer = true;
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54 catch (IOException e)
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56 //logger.info("SERVER: " + e);
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61 * state of server thread - running or not running
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63 private boolean running=false;
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65 * condition for server thread to stop
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67 private boolean enabled=true;
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68 public void haltServer() {
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69 // TODO: FIX THIS METHOD
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70 if (!running || !enabled) {
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71 logger.debug("PickServer is not running or already requested to halt.");
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74 logger.debug("Disabling pick server.");
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78 serverSocket.close();
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79 } catch (Exception e) {
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84 } catch (Exception e) {
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87 logger.debug("Pick server has stopped.");
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90 * Thread listening method - loops indefinitely listening for connections.
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91 * When one is received, the socket object is passed to the manager so it
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92 * can make a full client connection for further comms.
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98 //logger.info("SERVER: listening on " + PORT + " - SERVER");
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100 // Loop forever, accepting connectons from other clients
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101 // TODO: terminate the server when haltServer is called (fails tests currently)
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106 Socket socket = serverSocket.accept();
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107 //logger.info("SERVER: connection detected");
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109 manager.addEndPoint(socket);
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111 catch (IOException e) {}
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114 manager.haltManager();
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