106 lines
3.7 KiB
Python
106 lines
3.7 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# This file is part of chaosc/psylib package
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#
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# chaosc/psylib is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# chaosc/psylib is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with chaosc/psylib. If not, see <http://www.gnu.org/licenses/>.
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#
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# Copyright (C) 2014 Stefan Kögl
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from __future__ import absolute_import
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import sys
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from PyQt4 import QtCore, QtGui
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from PyQt4.QtCore import QBuffer, QByteArray
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from PyQt4.QtNetwork import QUdpSocket, QHostAddress
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from chaosc.lib import logger
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try:
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from chaosc.c_osc_lib import OSCMessage, decode_osc
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except ImportError as e:
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from chaosc.osc_lib import OSCMessage, decode_osc
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class PsyQtClientBase(QtCore.QObject):
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def __init__(self):
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super(PsyQtClientBase, self).__init__()
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# periodically trap into python interpreter domain to catch signals etc
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timer = QtCore.QTimer()
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timer.start(2000)
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timer.timeout.connect(lambda: None)
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def sigint_handler(self, ex_cls, ex, traceback):
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"""Handler for the SIGINT signal."""
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if ex_cls == KeyboardInterrupt:
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logger.info("found KeyboardInterrupt")
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QtGui.QApplication.exit()
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else:
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logger.critical(''.join(traceback.format_tb(tb)))
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logger.critical('{0}: {1}'.format(ex_cls, ex))
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class PsyQtChaoscClientBase(PsyQtClientBase):
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def __init__(self):
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super(PsyQtChaoscClientBase, self).__init__()
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self.osc_sock = QUdpSocket(self)
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logger.info("osc bind localhost %d", self.args.client_port)
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self.osc_sock.bind(QHostAddress(self.args.client_host), self.args.client_port)
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self.osc_sock.readyRead.connect(self.got_message)
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self.osc_sock.error.connect(self.handle_osc_error)
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self.subscribe()
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def sigint_handler(self, ex_cls, ex, traceback):
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"""Handler for the SIGINT signal."""
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if ex_cls == KeyboardInterrupt:
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logger.info("found KeyboardInterrupt")
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self.unsubscribe()
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QtGui.QApplication.exit()
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else:
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logger.critical(''.join(traceback.format_tb(traceback)))
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logger.critical('{0}: {1}'.format(ex_cls, ex))
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def sigterm_handler(self, *args):
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self.unsubscribe()
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QtGui.QApplication.exit()
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def subscribe(self):
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logger.info("subscribe")
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msg = OSCMessage("/subscribe")
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msg.appendTypedArg("localhost", "s")
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msg.appendTypedArg(self.args.client_port, "i")
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msg.appendTypedArg(self.args.authenticate, "s")
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if self.args.subscriber_label is not None:
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msg.appendTypedArg(self.args.subscriber_label, "s")
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self.osc_sock.writeDatagram(QByteArray(msg.encode_osc()), QHostAddress(self.args.chaosc_host), self.args.chaosc_port)
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def unsubscribe(self):
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logger.info("unsubscribe")
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msg = OSCMessage("/unsubscribe")
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msg.appendTypedArg("localhost", "s")
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msg.appendTypedArg(self.args.client_port, "i")
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msg.appendTypedArg(self.args.authenticate, "s")
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self.osc_sock.writeDatagram(QByteArray(msg.encode_osc()), QHostAddress(self.args.chaosc_host), self.args.chaosc_port)
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def handle_osc_error(self, error):
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logger.info("osc socket error %d", error)
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def closeEvent(self, event):
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logger.info("closeEvent", event)
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self.unsubscribe()
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event.accept()
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