67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
__author__ = "Steffen Vogel"
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__copyright__ = "Copyright 2015-2017, Steffen Vogel"
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__license__ = "GPLv3"
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__maintainer__ = "Steffen Vogel"
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__email__ = "post@steffenvogel.de"
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"""
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This file is part of transWhat
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transWhat 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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any later version.
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transwhat 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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You should have received a copy of the GNU General Public License
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along with transWhat. If not, see <http://www.gnu.org/licenses/>.
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"""
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import asyncore, socket
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import logging
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import sys
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class IOChannel(asyncore.dispatcher):
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def __init__(self, host, port, callback, closeCallback):
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asyncore.dispatcher.__init__(self)
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self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
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self.connect((host, port))
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self.logger = logging.getLogger(self.__class__.__name__)
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self.callback = callback
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self.closeCallback = closeCallback
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self.buffer = bytes("")
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def sendData(self, data):
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self.buffer += data
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def handle_connect(self):
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pass
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def handle_close(self):
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self.close()
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def handle_read(self):
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data = self.recv(65536)
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self.callback(data)
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def handle_write(self):
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sent = self.send(self.buffer)
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self.buffer = self.buffer[sent:]
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def handle_close(self):
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self.logger.info('Connection to backend closed, terminating.')
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self.close()
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self.closeCallback()
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def writable(self):
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return (len(self.buffer) > 0)
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def readable(self):
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return True
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