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| |
|
| | __all__ = [ 'Client', 'Listener', 'Pipe' ] |
| |
|
| | from queue import Queue |
| |
|
| |
|
| | families = [None] |
| |
|
| |
|
| | class Listener(object): |
| |
|
| | def __init__(self, address=None, family=None, backlog=1): |
| | self._backlog_queue = Queue(backlog) |
| |
|
| | def accept(self): |
| | return Connection(*self._backlog_queue.get()) |
| |
|
| | def close(self): |
| | self._backlog_queue = None |
| |
|
| | @property |
| | def address(self): |
| | return self._backlog_queue |
| |
|
| | def __enter__(self): |
| | return self |
| |
|
| | def __exit__(self, exc_type, exc_value, exc_tb): |
| | self.close() |
| |
|
| |
|
| | def Client(address): |
| | _in, _out = Queue(), Queue() |
| | address.put((_out, _in)) |
| | return Connection(_in, _out) |
| |
|
| |
|
| | def Pipe(duplex=True): |
| | a, b = Queue(), Queue() |
| | return Connection(a, b), Connection(b, a) |
| |
|
| |
|
| | class Connection(object): |
| |
|
| | def __init__(self, _in, _out): |
| | self._out = _out |
| | self._in = _in |
| | self.send = self.send_bytes = _out.put |
| | self.recv = self.recv_bytes = _in.get |
| |
|
| | def poll(self, timeout=0.0): |
| | if self._in.qsize() > 0: |
| | return True |
| | if timeout <= 0.0: |
| | return False |
| | with self._in.not_empty: |
| | self._in.not_empty.wait(timeout) |
| | return self._in.qsize() > 0 |
| |
|
| | def close(self): |
| | pass |
| |
|
| | def __enter__(self): |
| | return self |
| |
|
| | def __exit__(self, exc_type, exc_value, exc_tb): |
| | self.close() |
| |
|
