63 lines
2.5 KiB
Python
63 lines
2.5 KiB
Python
# Copyright (c) 2008-2009 AG Projects
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# Author: Denis Bilenko
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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"""Simple chat demo application.
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Listen on port 8007 and re-send all the data received to other participants.
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Demonstrates how to
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* plug in eventlet into a twisted application (join_reactor)
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* how to use SpawnFactory to start a new greenlet for each new request.
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"""
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from eventlet.twistedutil import join_reactor
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from eventlet.twistedutil.protocol import SpawnFactory
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from eventlet.twistedutil.protocols.basic import LineOnlyReceiverTransport
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class Chat:
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def __init__(self):
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self.participants = []
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def handler(self, conn):
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peer = conn.getPeer()
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print 'new connection from %s' % (peer, )
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conn.write("Welcome! There're %s participants already\n" % (len(self.participants)))
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self.participants.append(conn)
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try:
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for line in conn:
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if line:
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print 'received from %s: %s' % (peer, line)
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for buddy in self.participants:
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if buddy is not conn:
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buddy.sendline('from %s: %s' % (peer, line))
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except Exception, ex:
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print peer, ex
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else:
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print peer, 'connection done'
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finally:
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self.participants.remove(conn)
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print __doc__
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chat = Chat()
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from twisted.internet import reactor
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reactor.listenTCP(8007, SpawnFactory(chat.handler, LineOnlyReceiverTransport))
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reactor.run()
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