| // Copyright (C) 2010 - 2013 by Pedro Mendes, Virginia Tech Intellectual | |
| // Properties, Inc., University of Heidelberg, and The University | |
| // of Manchester. | |
| // All rights reserved. | |
| // Copyright (C) 2008 - 2009 by Pedro Mendes, Virginia Tech Intellectual | |
| // Properties, Inc., EML Research, gGmbH, University of Heidelberg, | |
| // and The University of Manchester. | |
| // All rights reserved. | |
| // Copyright (C) 2001 - 2007 by Pedro Mendes, Virginia Tech Intellectual | |
| // Properties, Inc. and EML Research, gGmbH. | |
| // All rights reserved. | |
| package Server; | |
| /* | |
| * ServerSocketReader.java | |
| */ | |
| import java.io.*; | |
| import java.net.*; | |
| import java.util.*; | |
| import Common.*; | |
| /**The Reader class runs as a seperate thread and | |
| * informs the ServerManager if the | |
| * client has sent a message. | |
| * It remains blocked on a socket read for most of the time. | |
| * It gets unblocked when it recieves a message from the server and calls the | |
| * gotMessageFromClient(Message msg) of the ServerNetwork. | |
| */ | |
| public class ServerSocketReader extends Thread | |
| { | |
| /**ClientConnection object (containing the socket) from where | |
| * this Reader will read. | |
| */ | |
| protected ClientConnection connection; | |
| /**Build the Reader using the ClientConnection object. | |
| * @param c This is the ClientConnection object | |
| * (containing the socket) from which this Reader is to be built. | |
| */ | |
| public ServerSocketReader(ClientConnection c) | |
| { | |
| connection = c; | |
| this.start(); | |
| } | |
| /**New Reader thread, gets blocked while reading from the socket. | |
| * Unblocks when the client sends a message. | |
| */ | |
| public synchronized void run() | |
| { | |
| try | |
| { | |
| while (true) | |
| { | |
| try | |
| { | |
| showMessage(connection.toString()); | |
| showMessage(connection.input.toString()); | |
| connection.message.readDataObject(connection.input); | |
| //connection.message = (Message) connection.input.readObject(); | |
| } | |
| catch(java.lang.ClassNotFoundException cnfe) | |
| { | |
| showMessage("A ClassNotFoundException occured. Details..."); | |
| cnfe.printStackTrace(); | |
| } | |
| connection.update = true; | |
| synchronized (connection.manager) | |
| { | |
| connection.manager.notify(); | |
| } | |
| } | |
| } | |
| catch(IOException e) | |
| { | |
| showMessage("An input or output exception occured while reading from socket"); | |
| System.exit(1); | |
| } | |
| catch(NullPointerException npe) | |
| { | |
| npe.getMessage(); | |
| npe.printStackTrace(); | |
| } | |
| } | |
| /**A small function to display messages. | |
| * @param msg The message string to show. | |
| */ | |
| private void showMessage(String msg) | |
| { | |
| System.err.println("ServerSocketReader: " + msg); | |
| } | |
| } | |