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// **********************************************************************
//
// Copyright (c) 2003-2007 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.
//
// **********************************************************************
#include <Ice/Application.h>
#include <IceUtil/IceUtil.h>
#include <Glacier2/Router.h>
#include <Chat.h>
using namespace std;
using namespace Demo;
class SessionPingThread : public IceUtil::Thread, public IceUtil::Monitor<IceUtil::Mutex>
{
public:
SessionPingThread(const Glacier2::SessionPrx& session, long timeout) :
_session(session),
_timeout(IceUtil::Time::seconds(timeout)),
_destroy(false)
{
}
virtual void
run()
{
Lock sync(*this);
while(!_destroy)
{
timedWait(_timeout);
if(_destroy)
{
break;
}
try
{
_session->ice_ping();
}
catch(const Ice::Exception&)
{
break;
}
}
}
void
destroy()
{
Lock sync(*this);
_destroy = true;
notify();
}
private:
const Glacier2::SessionPrx _session;
const IceUtil::Time _timeout;
bool _destroy;
};
typedef IceUtil::Handle<SessionPingThread> SessionPingThreadPtr;
class ChatCallbackI : public ChatCallback
{
public:
virtual void
message(const string& data, const Ice::Current&)
{
#ifdef __xlC__
//
// The xlC compiler synchronizes cin and cout; to see the messages
// while accepting input through cin, we have to print the messages
// with printf
//
printf("%s\n", data.c_str());
fflush(0);
#else
cout << data << endl;
#endif
}
};
class ChatClient : public Ice::Application
{
public:
virtual int
run(int argc, char* argv[])
{
//
// Since this is an interactive demo we want the custom interrupt
// callback to be called when the process is interrupted.
//
callbackOnInterrupt();
{
IceUtil::Mutex::Lock sync(_mutex);
Ice::RouterPrx defaultRouter = communicator()->getDefaultRouter();
if(!defaultRouter)
{
cerr << argv[0] << ": no default router set" << endl;
return EXIT_FAILURE;
}
_router = Glacier2::RouterPrx::checkedCast(defaultRouter);
if(!_router)
{
cerr << argv[0] << ": configured router is not a Glacier2 router" << endl;
return EXIT_FAILURE;
}
}
ChatSessionPrx session;
while(true)
{
cout << "This demo accepts any user-id / password combination.\n";
string id;
cout << "user id: " << flush;
getline(cin, id);
id = trim(id);
string pw;
cout << "password: " << flush;
getline(cin, pw);
pw = trim(pw);
try
{
session = ChatSessionPrx::uncheckedCast(_router->createSession(id, pw));
break;
}
catch(const Glacier2::PermissionDeniedException& ex)
{
cout << "permission denied:\n" << ex.reason << endl;
}
}
{
IceUtil::Mutex::Lock sync(_mutex);
_ping = new SessionPingThread(session, (long)_router->getSessionTimeout() / 2);
_ping->start();
}
Ice::Identity callbackReceiverIdent;
callbackReceiverIdent.name = "callbackReceiver";
callbackReceiverIdent.category = _router->getCategoryForClient();
Ice::ObjectAdapterPtr adapter = communicator()->createObjectAdapter("Chat.Client");
ChatCallbackPrx callback = ChatCallbackPrx::uncheckedCast(
adapter->add(new ChatCallbackI, callbackReceiverIdent));
adapter->activate();
session->setCallback(callback);
menu();
try
{
do
{
string s;
cout << "==> ";
getline(cin, s);
s = trim(s);
if(!s.empty())
{
if(s[0] == '/')
{
if(s == "/quit")
{
break;
}
menu();
}
else
{
session->say(s);
}
}
}
while(cin.good());
cleanup();
}
catch(const Ice::Exception& ex)
{
cerr << ex << endl;
cleanup();
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
virtual void
interruptCallback(int)
{
try
{
communicator()->destroy();
}
catch(const IceUtil::Exception& ex)
{
cerr << appName() << ": " << ex << endl;
}
catch(...)
{
cerr << appName() << ": unknown exception" << endl;
}
exit(EXIT_SUCCESS);
}
private:
void
cleanup()
{
IceUtil::Mutex::Lock sync(_mutex);
if(_router)
{
try
{
_router->destroySession();
}
catch(const Ice::ConnectionLostException&)
{
//
// Expected: the router closed the connection.
//
}
_router = 0;
}
if(_ping)
{
_ping->destroy();
_ping->getThreadControl().join();
_ping = 0;
}
}
void
menu()
{
cout << "enter /quit to exit." << endl;
}
string
trim(const string& s)
{
static const string delims = "\t\r\n ";
string::size_type last = s.find_last_not_of(delims);
if(last != string::npos)
{
return s.substr(s.find_first_not_of(delims), last+1);
}
return s;
}
IceUtil::Mutex _mutex;
Glacier2::RouterPrx _router;
SessionPingThreadPtr _ping;
};
int
main(int argc, char* argv[])
{
ChatClient app;
return app.main(argc, argv, "config.client");
}
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