47 lines
1.0 KiB
Python
47 lines
1.0 KiB
Python
# use unicode encoding for all literals by default (for python2.x)
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from __future__ import unicode_literals
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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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