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#!/usr/bin/env python
# **********************************************************************
#
# Copyright (c) 2003-2008 ZeroC, Inc. All rights reserved.
#
# This copy of Ice is licensed to you under the terms described in the
# ICE_LICENSE file included in this distribution.
#
# **********************************************************************
import sys, traceback, Ice, IceStorm, getopt
Ice.loadSlice('Clock.ice')
import Demo
class ClockI(Demo.Clock):
def tick(self, date, current=None):
print date
class Subscriber(Ice.Application):
def usage(self):
print "Usage: " + self.appName() + " [--batch] [--datagram|--twoway|--ordered|--oneway] [topic]"
def run(self, args):
try:
opts, args = getopt.getopt(args[1:], '', ['datagram', 'twoway', 'oneway', 'ordered', 'batch'])
except getopt.GetoptError:
self.usage()
return 1
topicName = "time"
datagram = False
twoway = False
ordered = False
batch = False
optsSet = 0
for o, a in opts:
if o == "--datagram":
datagram = True
optsSet = optsSet + 1
elif o =="--twoway":
twoway = True
optsSet = optsSet + 1
elif o =="--ordered":
ordered = True
optsSet = optsSet + 1
elif o =="--oneway":
optsSet = optsSet + 1
elif o =="--batch":
batch = True
if batch and (twoway or ordered):
print self.appName() + ": batch can only be set with oneway or datagram"
return 1
if optsSet > 1:
self.usage()
sys.exit(1)
if len(args) > 0:
topicName = args[0]
manager = IceStorm.TopicManagerPrx.checkedCast(\
self.communicator().propertyToProxy('IceStorm.TopicManager.Proxy'))
if not manager:
print args[0] + ": invalid proxy"
return 1
#
# Retrieve the topic.
#
try:
topic = manager.retrieve(topicName)
except IceStorm.NoSuchTopic, e:
try:
topic = manager.create(topicName)
except IceStorm.TopicExists, ex:
print self.appName() + ": temporary error. try again"
return 1
adapter = self.communicator().createObjectAdapter("Clock.Subscriber")
#
# Add a Servant for the Ice Object.
#
qos = {}
subscriber = adapter.addWithUUID(ClockI())
#
# Set up the proxy.
#
if datagram:
subscriber = subscriber.ice_datagram()
elif twoway:
pass
# Do nothing to the subscriber proxy. Its already twoway.
elif ordered:
# Do nothing to the subscriber proxy. Its already twoway.
qos["reliability"] = "ordered"
else: # if(oneway)
subscriber = subscriber.ice_oneway()
if batch:
if datagram:
subscriber = subscriber.ice_batchDatagram()
else:
subscriber = subscriber.ice_batchOneway()
topic.subscribeAndGetPublisher(qos, subscriber)
adapter.activate()
self.shutdownOnInterrupt()
self.communicator().waitForShutdown()
#
# Unsubscribe all subscribed objects.
#
topic.unsubscribe(subscriber)
return 0
app = Subscriber()
sys.exit(app.main(sys.argv, "config.sub"))
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