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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
Ice.loadSlice('Session.ice')
import Demo
class SessionRefreshThread(threading.Thread):
def __init__(self, logger, timeout, session):
threading.Thread.__init__(self)
self._logger = logger
self._session = session
self._timeout = timeout
self._terminated = False
self._cond = threading.Condition()
def run(self):
self._cond.acquire()
try:
while not self._terminated:
self._cond.wait(self._timeout)
if not self._terminated:
try:
self._session.refresh()
except Ice.LocalException as ex:
self._logger.warning("SessionRefreshThread: " + str(ex))
self._terminated = True
finally:
self._cond.release()
def terminate(self):
self._cond.acquire()
try:
self._terminated = True
self._cond.notify()
finally:
self._cond.release()
class Client(Ice.Application):
def run(self, args):
if len(args) > 1:
print(self.appName() + ": too many arguments")
return 1
while True:
sys.stdout.write("Please enter your name ==> ")
sys.stdout.flush()
name = sys.stdin.readline().strip()
if len(name) != 0:
break
base = self.communicator().propertyToProxy('SessionFactory.Proxy')
factory = Demo.SessionFactoryPrx.checkedCast(base)
if not factory:
print(args[0] + ": invalid proxy")
return 1
session = factory.create(name)
try:
refresh = SessionRefreshThread(self.communicator().getLogger(), 5, session)
refresh.start()
hellos = []
self.menu()
destroy = True
shutdown = False
while True:
try:
sys.stdout.write("==> ")
sys.stdout.flush()
c = sys.stdin.readline().strip()
s = str(c)
if s.isdigit():
index = int(s)
if index < len(hellos):
hello = hellos[index]
hello.sayHello()
else:
print("Index is too high. " + str(len(hellos)) + " hello objects exist so far.\n" +\
"Use `c' to create a new hello object.")
elif c == 'c':
hellos.append(session.createHello())
print("Created hello object",len(hellos) - 1)
elif c == 's':
destroy = False
shutdown = True
break
elif c == 'x':
break
elif c == 't':
destroy = False
break
elif c == '?':
self.menu()
else:
print("unknown command `" + c + "'")
self.menu()
except EOFError:
break
except KeyboardInterrupt:
break
#
# The refresher thread must be terminated before destroy is
# called, otherwise it might get ObjectNotExistException. refresh
# is set to 0 so that if session->destroy() raises an exception
# the thread will not be re-terminated and re-joined.
#
refresh.terminate()
refresh.join()
refresh = None
if destroy:
session.destroy()
if shutdown:
factory.shutdown()
finally:
#
# The refresher thread must be terminated in the event of a
# failure.
#
if refresh != None:
refresh.terminate()
refresh.join()
return 0
def menu(self):
print("""
usage:
c: create a new per-client hello object
0-9: send a greeting to a hello object
s: shutdown the server and exit
x: exit
t: exit without destroying the session
?: help
""")
app = Client()
sys.exit(app.main(sys.argv, "config.client"))
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