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#!/usr/bin/env python
# **********************************************************************
#
# Copyright (c) 2003-2015 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, threading, Ice, Glacier2
Ice.loadSlice('Callback.ice')
import Demo
def menu():
print("""
usage:
t: send callback as twoway
o: send callback as oneway
O: send callback as batch oneway
f: flush all batch requests
v: set/reset override context field
F: set/reset fake category
s: shutdown server
r: restart the session
x: exit
?: help
""")
class CallbackReceiverI(Demo.CallbackReceiver):
def callback(self, current=None):
print("received callback")
class Client(Glacier2.Application):
def createSession(self):
session = None
while True:
print("This demo accepts any user-id / password combination.")
sys.stdout.write("user id: ")
sys.stdout.flush()
id = sys.stdin.readline().strip()
sys.stdout.write("password: ")
sys.stdout.flush()
pw = sys.stdin.readline().strip()
try:
session = self.router().createSession(id, pw)
break
except Glacier2.PermissionDeniedException as ex:
print("permission denied:\n" + ex.reason)
except Glacier2.CannotCreateSessionException as ex:
print("cannot create session:\n" + ex.reason)
return session
def runWithSession(self, args):
if len(args) > 1:
print(self.appName() + ": too many arguments")
return 1
callbackReceiverIdent = self.createCallbackIdentity("callbackReceiver")
callbackReceiverFakeIdent = Ice.Identity()
callbackReceiverFakeIdent.name = "callbackReceiver"
callbackReceiverFakeIdent.category = "fake"
base = self.communicator().propertyToProxy('Callback.Proxy')
twoway = Demo.CallbackPrx.checkedCast(base)
oneway = Demo.CallbackPrx.uncheckedCast(twoway.ice_oneway())
batchOneway = Demo.CallbackPrx.uncheckedCast(twoway.ice_batchOneway())
self.objectAdapter().add(CallbackReceiverI(), callbackReceiverIdent)
# Should never be called for the fake identity.
self.objectAdapter().add(CallbackReceiverI(), callbackReceiverFakeIdent)
twowayR = Demo.CallbackReceiverPrx.uncheckedCast(self.objectAdapter().createProxy(callbackReceiverIdent))
onewayR = Demo.CallbackReceiverPrx.uncheckedCast(twowayR.ice_oneway())
override = ''
fake = False
menu()
c = None
while c != 'x':
try:
sys.stdout.write("==> ")
sys.stdout.flush()
c = sys.stdin.readline().strip()
if c == 't':
context = {}
context["_fwd"] = "t"
if not len(override) == 0:
context["_ovrd"] = override
twoway.initiateCallback(twowayR, context)
elif c == 'o':
context = {}
context["_fwd"] = "o"
if not len(override) == 0:
context["_ovrd"] = override
oneway.initiateCallback(onewayR, context)
elif c == 'O':
context = {}
context["_fwd"] = "O"
if not len(override) == 0:
context["_ovrd"] = override
batchOneway.initiateCallback(onewayR, context)
elif c == 'f':
self.communicator().flushBatchRequests()
elif c == 'v':
if len(override) == 0:
override = "some_value"
print("override context field is now `" + override + "'")
else:
override = ''
print("override context field is empty")
elif c == 'F':
fake = not fake
if fake:
twowayR = Demo.CallbackReceiverPrx.uncheckedCast(twowayR.ice_identity(callbackReceiverFakeIdent))
onewayR = Demo.CallbackReceiverPrx.uncheckedCast(onewayR.ice_identity(callbackReceiverFakeIdent))
else:
twowayR = Demo.CallbackReceiverPrx.uncheckedCast(twowayR.ice_identity(callbackReceiverIdent))
onewayR = Demo.CallbackReceiverPrx.uncheckedCast(twowayR.ice_identity(callbackReceiverIdent))
elif c == 's':
twoway.shutdown()
elif c == 'r':
self.restart()
elif c == 'x':
pass # Nothing to do
elif c == '?':
menu()
else:
print("unknown command `" + c + "'")
menu()
except KeyboardInterrupt:
break
except EOFError:
break
return 0
app = Client()
sys.exit(app.main(sys.argv, "config.client"))
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