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#
# 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
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