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58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
import select, msgpack
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class ReactorException(Exception):
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pass
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class Reactor:
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queue = []
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objmap = {}
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_abort_flag = False
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def __init__(self):
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pass
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def _cycle(self):
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readable, writable, error = select.select(self.queue, self.queue, self.queue)
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for stream in readable:
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fileno = stream.fileno()
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obj = self.objmap[fileno]
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#print "Data is available to read on %s with id %d" % (repr(stream), stream.fileno())
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if obj.objtype == "server":
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sock, addr = obj.stream.accept()
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new_client = obj.spawn_client(sock, addr)
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self.add(new_client)
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print "Found new client from %s:%d" % addr
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elif obj.objtype == "client":
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obj._read_cycle()
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for stream in writable:
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fileno = stream.fileno()
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try:
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obj = self.objmap[fileno]
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except KeyError, e:
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# The client has disconnected. Skip to the next stream.
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continue
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if obj.objtype == "client":
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obj._write_cycle()
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def add(self, obj):
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try:
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self.queue.append(obj.stream)
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self.objmap[obj.stream.fileno()] = obj
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except AttributeError, e:
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raise ReactorException("The provided object has no valid stream attached to it.")
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obj.reactor = self
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def loop(self):
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while self._abort_flag == False:
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self._cycle()
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def stop(self):
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self._abort_flag = True
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