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#!/usr/bin/env python
############################################################################
#
# Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
#
# This file is part of the example classes of the Qt Toolkit.
#
# This file may be used under the terms of the GNU General Public
# License version 2.0 as published by the Free Software Foundation
# and appearing in the file LICENSE.GPL included in the packaging of
# self file. Please review the following information to ensure GNU
# General Public Licensing requirements will be met:
# http://www.trolltech.com/products/qt/opensource.html
#
# If you are unsure which license is appropriate for your use, please
# review the following information:
# http://www.trolltech.com/products/qt/licensing.html or contact the
# sales department at sales@trolltech.com.
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
############################################################################
from PyQt4 import QtCore, QtGui, QtNetwork
class Sender(QtGui.QDialog):
def __init__(self, parent=None):
super(Sender, self).__init__(parent)
self.statusLabel = QtGui.QLabel("Ready to broadcast datagrams on port 45454")
self.startButton = QtGui.QPushButton("&Start")
quitButton = QtGui.QPushButton("&Quit")
buttonBox = QtGui.QDialogButtonBox()
buttonBox.addButton(self.startButton, QtGui.QDialogButtonBox.ActionRole)
buttonBox.addButton(quitButton, QtGui.QDialogButtonBox.RejectRole)
self.timer = QtCore.QTimer(self)
self.udpSocket = QtNetwork.QUdpSocket(self)
self.messageNo = 1
self.startButton.clicked.connect(self.startBroadcasting)
quitButton.clicked.connect(self.close)
self.timer.timeout.connect(self.broadcastDatagramm)
mainLayout = QtGui.QVBoxLayout()
mainLayout.addWidget(self.statusLabel)
mainLayout.addWidget(buttonBox)
self.setLayout(mainLayout)
self.setWindowTitle("Broadcast Sender")
def startBroadcasting(self):
self.startButton.setEnabled(False)
self.timer.start(1000)
def broadcastDatagramm(self):
self.statusLabel.setText("Now broadcasting datagram %d" % self.messageNo)
datagram = "Broadcast message %d" % self.messageNo
self.udpSocket.writeDatagram(datagram, QtNetwork.QHostAddress(QtNetwork.QHostAddress.Broadcast), 45454)
self.messageNo += 1
if __name__ == '__main__':
import sys
app = QtGui.QApplication(sys.argv)
sender = Sender()
sender.show()
sys.exit(sender.exec_())
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