| 13 | |
| 14 | |
| 15 | class ClientManager(object): |
| 16 | def __init__(self, transport=None, codecClass=None): |
| 17 | self._transport = transport |
| 18 | self._arbitrator = None |
| 19 | self._codecClass = codecClass |
| 20 | self._sequence = 0 |
| 21 | |
| 22 | @property |
| 23 | def transport(self): |
| 24 | return self._transport |
| 25 | |
| 26 | @transport.setter |
| 27 | def transport(self, value): |
| 28 | self._transport = value |
| 29 | |
| 30 | @property |
| 31 | def arbitrator(self): |
| 32 | return self._arbitrator |
| 33 | |
| 34 | @arbitrator.setter |
| 35 | def arbitrator(self, arb): |
| 36 | self._arbitrator = arb |
| 37 | |
| 38 | @property |
| 39 | def codec_class(self): |
| 40 | return self._codecClass |
| 41 | |
| 42 | @codec_class.setter |
| 43 | def codec_class(self, value): |
| 44 | self._codecClass = value |
| 45 | |
| 46 | @property |
| 47 | def sequence(self): |
| 48 | self._sequence += 1 |
| 49 | return self._sequence |
| 50 | |
| 51 | def create_request(self, isOneway=False): |
| 52 | msg = bytearray() |
| 53 | codec = self.codec_class() |
| 54 | codec.buffer = msg |
| 55 | return RequestContext(self.sequence, msg, codec, isOneway) |
| 56 | |
| 57 | def perform_request(self, request): |
| 58 | # Arbitrate requests. |
| 59 | token = None |
| 60 | if self._arbitrator is not None and not request.is_oneway: |
| 61 | token = self._arbitrator.prepare_client_receive(request) |
| 62 | |
| 63 | # Send serialized request to server. |
| 64 | self.transport.send(request.codec.buffer) |
| 65 | |
| 66 | if not request.is_oneway: |
| 67 | if token is not None: |
| 68 | msg = self._arbitrator.client_receive(token) |
| 69 | else: |
| 70 | msg = self.transport.receive() |
| 71 | request.codec.buffer = msg |
| 72 |
no outgoing calls