@Override
public void run() {
try {
// loop endlessly waiting for client connections
while (true) {
if (!streamsOpen) {
// wait for a connection request
socket = ss.accept();
gui.setTextArea1("Connected to QD on port " + port, Color.ORANGE);
gui.setLabel("Connected to QD on port " + port, Color.GREEN);
log.writeToLog("Connected to QD on port " + port);
openStreams();
setConnected();
processClientRequests();
} else {
gui.setTextArea1("Streams already open on port" + port, Color.ORANGE);
gui.setLabel("Streams already open on port " + port, Color.GREEN);
log.writeToLog("Streams already open on port " + port);
closeStreams();
}
}
} catch (IOException e) {
gui.setLabel("Trouble with accepting Socket on port " + port + ": " + e, Color.RED);
gui.setTextArea1("Trouble with accepting Socket on port " + port, Color.ORANGE);
log.writeToLog("Trouble with accepting Socket on port " + port);
closeStreams();
}
}
// Constructor
public ServerListener(String portNumber, MSeriesGUI theGui) // Start Constructor
{
gui = theGui;
port = Integer.parseInt(portNumber);
streamsOpen = false;
printerName = gui.getPrinterName();
log = new MLogs(gui, printerName);
log.createLogFile();
// establish a ServerSocket
try {
ss = new ServerSocket(port);
gui.setTextArea1("Waiting for connection ... ", Color.ORANGE);
log.writeToLog("Waiting for connection ... ");
} catch (BindException b) {
gui.setLabel("Port " + port + " already in use", Color.RED);
gui.setTextArea1("Port " + port + " already in use", Color.ORANGE);
log.writeToLog("Port " + port + " already in use");
closeStreams();
} catch (IOException e) {
gui.setLabel("Trouble with ServerSocket creation on port " + port + ": " + e, Color.RED);
gui.setTextArea1("Trouble with ServerSocket creation on port " + port, Color.ORANGE);
log.writeToLog("Trouble with ServerSocket creation on port " + port);
}
} // End constructor
public void closeStreams() {
try {
if (getStreamsOpen()) {
toClient.close();
os.close();
fromClient.close();
is.close();
gui.setLabel("...Streams closed down", Color.RED);
log.writeToLog("...Streams closed down");
streamsOpen = false;
socket.close();
setDisconnected();
}
} catch (IOException e) {
gui.setLabel("Could not close streams", Color.RED);
gui.setTextArea1("Could not close streams", Color.ORANGE);
log.writeToLog("Could not close streams");
}
}