| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| """ |
| Delegate implementation intended for use with the peer module. |
| """ |
| |
| import threading, inspect, traceback, sys |
| from connection08 import Method, Request, Response |
| |
| def _handler_name(method): |
| return "%s_%s" % (method.klass.name, method.name) |
| |
| class Delegate: |
| |
| def __init__(self): |
| self.handlers = {} |
| self.invokers = {} |
| |
| def __call__(self, channel, frame): |
| method = frame.method |
| |
| try: |
| handler = self.handlers[method] |
| except KeyError: |
| name = _handler_name(method) |
| handler = getattr(self, name) |
| self.handlers[method] = handler |
| |
| try: |
| return handler(channel, frame) |
| except: |
| print >> sys.stderr, "Error in handler: %s\n\n%s" % \ |
| (_handler_name(method), traceback.format_exc()) |
| |
| def closed(self, reason): |
| print "Connection closed: %s" % reason |