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annotate channels.py @ 20:dc3dce13dd3b

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Fixed memory leak in channels.py, I think.
author Atul Varma <varmaa@toolness.com>
date Sun, 19 Apr 2009 22:11:46 -0700
parents 4b3a30d863cc
children b77e679ce993
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20
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
1 import weakref
16
4b3a30d863cc Added some TODOs.
Atul Varma <varmaa@toolness.com>
parents: 13
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2
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65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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3 _channels = {}
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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4
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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5 class until_message_sent(object):
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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6 def __init__(self, channel_name, message):
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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7 self.channel_name = channel_name
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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8 self.message = message
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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9
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
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10 def execute(self, dispatcher):
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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11 if self.channel_name in _channels:
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dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
12 for weakling in _channels[self.channel_name].itervaluerefs():
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
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13 receiver = weakling()
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
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14 if receiver:
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
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15 receiver.return_from_yield(self.message)
dc3dce13dd3b Fixed memory leak in channels.py, I think.
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parents: 16
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16 del _channels[self.channel_name]
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65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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17 dispatcher.return_from_yield()
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
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18
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
parents:
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19 class until_message_received(object):
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
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20 def __init__(self, channel_name):
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
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21 self.channel_name = channel_name
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
parents:
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22
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
23 def execute(self, dispatcher):
65482f4e2555 Added a really simple channel communication system, somewhat similar to that of Stackless.
Atul Varma <varmaa@toolness.com>
parents:
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24 if self.channel_name not in _channels:
20
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
25 _channels[self.channel_name] = weakref.WeakValueDictionary()
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
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26 fd = dispatcher.socket.fileno()
dc3dce13dd3b Fixed memory leak in channels.py, I think.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
27 _channels[self.channel_name][fd] = dispatcher