void
SessionHelperI::destroyInternal(const Ice::DispatcherCallPtr& disconnected)
{
    assert(_destroy);
    Ice::CommunicatorPtr communicator;
    Glacier2::RouterPrx router;
    {
        IceUtil::Mutex::Lock sync(_mutex);
        router = _router;
        _router = 0;
        _connected = false;

        communicator = _communicator;
    }

    if(router)
    {
        try
        {
            router->destroySession();
        }
        catch(const Ice::ConnectionLostException&)
        {
            //
            // Expected if another thread invoked on an object from the session concurrently.
            //
        }
        catch(const Glacier2::SessionNotExistException&)
        {
            //
            // This can also occur.
            //
        }
        catch(const std::exception& ex)
        {
            //
            // Not expected.
            //
            if(communicator)
            {
                Ice::Warning warn(communicator->getLogger());
                warn << "SessionHelper: unexpected exception when destroying the session:\n" << ex;
            }
        }
    }

    if(communicator)
    {
        try
        {
            communicator->destroy();
        }
        catch(...)
        {
        }
        communicator = 0;
    }
    dispatchCallback(disconnected, 0);
}

void
SessionHelperI::connected(const Glacier2::RouterPrx& router, const Glacier2::SessionPrx& session)
{
    //
    // Remote invocation should be done without acquire a mutex lock.
    //
    assert(router);
    Ice::ConnectionPtr conn = router->ice_getCachedConnection();
    string category = router->getCategoryForClient();
    Ice::Long timeout = router->getSessionTimeout();
    
    {
        IceUtil::Mutex::Lock sync(_mutex);
        _router = router;

        if(_destroy)
        {
            //
            // Run the destroyInternal in a thread. This is because it
            // destroyInternal makes remote invocations.
            //
            IceUtil::ThreadPtr thread = new DestroyInternal(this, _callback);
            thread->start().detach();
            return;
        }

        //
        // Cache the category.
        //
        _category = category;

        //
        // Assign the session after _destroy is checked.
        //
        _session = session;
        _connected = true;

        assert(!_refreshThread);
        
        if(timeout > 0)
        {
            _refreshThread = new SessionRefreshThread(this, _router, (timeout)/2);
            _refreshThread->start();
        }
    }
    dispatchCallback(new Connected(_callback, this), conn);
}

    Glacier2::RouterPrx const client::getRouter(const Ice::CommunicatorPtr& comm) const {

        Ice::RouterPrx prx = comm->getDefaultRouter();
        if ( ! prx ) {
            throw omero::ClientError(__FILE__,__LINE__,"No default router found.");
        }

        Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(prx);
        if ( ! router ) {
            throw ClientError(__FILE__, __LINE__, "Error obtaining Glacier2 router");
        }

        // For whatever reason, we have to set the context
        // on the router context here as well.
        router = Glacier2::RouterPrx::uncheckedCast(router->ice_context(comm->getImplicitContext()->getContext()));

        return router;
    }

    virtual 
    void run()
    {
        CommunicatorPtr communicator = initialize(initData);
        ObjectPrx routerBase = communicator->stringToProxy("Glacier2/router:default -p 12347 -t 10000");
        Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(routerBase);
        communicator->setDefaultRouter(router);

        ostringstream os;
        os << "userid-" << _id;
        Glacier2::SessionPrx session = router->createSession(os.str(), "abc123");
        communicator->getProperties()->setProperty("Ice.PrintAdapterReady", "");
        ObjectAdapterPtr adapter = communicator->createObjectAdapterWithRouter("CallbackReceiverAdapter", router);
        adapter->activate();
        
        string category = router->getCategoryForClient();
        {
            Lock sync(*this);
            _callbackReceiver = new CallbackReceiverI;
            notify();
        }
        
        Identity ident;
        ident.name = "callbackReceiver";
        ident.category = category;
        CallbackReceiverPrx receiver = CallbackReceiverPrx::uncheckedCast(adapter->add(_callbackReceiver, ident));
        
        ObjectPrx base = communicator->stringToProxy("c1/callback:tcp -p 12010 -t 10000");
        base = base->ice_oneway();
        CallbackPrx callback = CallbackPrx::uncheckedCast(base);


        //
        // Block the CallbackReceiver in wait() to prevent the client from
        // processing other incoming calls and wait to receive the callback.
        //
        callback->initiateWaitCallback(receiver);
        test(_callbackReceiver->waitCallbackOK());

        //
        // Notify the main thread that the callback was received.
        //
        {
            Lock sync(*this);
            _callback = true;
            notify();
        }

        //
        // Callback the client with a large payload. This should cause
        // the Glacier2 request queue thread to block trying to send the
        // callback to the client because the client is currently blocked
        // in CallbackReceiverI::waitCallback() and can't process more 
        // requests.
        //
        callback->initiateCallbackWithPayload(receiver);
        test(_callbackReceiver->callbackWithPayloadOK());

        try
        {
            router->destroySession();
            test(false);
        }
        catch(const Ice::ConnectionLostException&)
        {
        }
        catch(const Ice::LocalException&)
        {
            test(false);
        }
        communicator->destroy();
    }

int
CallbackClient::run(int argc, char* argv[])
{
    ObjectPrx routerBase;

    {
        cout << "testing stringToProxy for router... " << flush;
        routerBase = communicator()->stringToProxy("Glacier2/router:default -p 12347 -t 10000");
        cout << "ok" << endl;
    }
    
    Glacier2::RouterPrx router;

    {
        cout << "testing checked cast for router... " << flush;
        router = Glacier2::RouterPrx::checkedCast(routerBase);
        test(router);
        cout << "ok" << endl;
    }

    {
        cout << "installing router with communicator... " << flush;
        communicator()->setDefaultRouter(router);
        cout << "ok" << endl;
    }

    {
        cout << "getting the session timeout... " << flush;
        Ice::Long timeout = router->getSessionTimeout();
        test(timeout == 30);
        cout << "ok" << endl;
    }

    ObjectPrx base;

    {
        cout << "testing stringToProxy for server object... " << flush;
        base = communicator()->stringToProxy("c1/callback:tcp -p 12010 -t 10000");
        cout << "ok" << endl;
    }
        
    {
        cout << "trying to ping server before session creation... " << flush;
        try
        {
            base->ice_ping();
            test(false);
        }
        catch(const ConnectionLostException&)
        {
            cout << "ok" << endl;
        }
    }

    Glacier2::SessionPrx session;

    {
        cout << "trying to create session with wrong password... " << flush;
        try
        {
            session = router->createSession("userid", "xxx");
            test(false);
        }
        catch(const Glacier2::PermissionDeniedException&)
        {
            cout << "ok" << endl;
        }
    }

    {
        cout << "trying to destroy non-existing session... " << flush;
        try
        {
            router->destroySession();
            test(false);
        }
        catch(const Glacier2::SessionNotExistException&)
        {
            cout << "ok" << endl;
        }
    }

    {
        cout << "creating session with correct password... " << flush;
        session = router->createSession("userid", "abc123");
        cout << "ok" << endl;
    }

    {
        cout << "trying to create a second session... " << flush;
        try
        {
            router->createSession("userid", "abc123");
            test(false);
        }
        catch(const Glacier2::CannotCreateSessionException&)
        {
            cout << "ok" << endl;
        }
    }
//.........这里部分代码省略.........

int
SessionControlClient::run(int argc, char* argv[])
{
    //
    // We initialize the controller on a separate port because we want
    // to bypass the router for test control operations.
    //
    cout << "accessing test controller... " << flush;
    Ice::InitializationData initData;
    initData.properties = communicator()->getProperties();
    Ice::CommunicatorPtr controlComm = Ice::initialize(argc, argv, initData);
    TestControllerPrx controller = TestControllerPrx::checkedCast(
        controlComm->stringToProxy("testController:tcp -p 12013"));
    test(controller);
    TestToken currentState;
    TestToken newState;
    currentState.expectedResult = false;
    currentState.config = 0;
    currentState.caseIndex = 0;
    currentState.code = Initial;
    controller->step(0, currentState, newState);
    currentState = newState;
    cout << "ok" << endl;
    
    cout << "getting router... " << flush;
    ObjectPrx routerBase = communicator()->stringToProxy("Glacier2/router:default -p 12347");
    Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(routerBase);
    test(router);
    communicator()->setDefaultRouter(router);
    cout << "ok" << endl;

    Glacier2::SessionPrx sessionBase = router->createSession("userid", "abc123");
    Test::TestSessionPrx currentSession = Test::TestSessionPrx::checkedCast(sessionBase);

    bool printOk = false;
    while(currentState.code == Running)
    {
        controller->step(currentSession, currentState, newState);
        currentState = newState;

        if(currentState.code != Running)
        {
            cout << "ok" << endl;
            break;
        }

        //
        // If we are running the first case for this configuration, print the configuration description.
        //
        if(currentState.caseIndex == 0)
        {
            if(printOk)
            {
                cout << "ok" << endl;
            }
            else
            {
                printOk = true;
            }
            cout << currentState.description << "... " << flush;
        }

        if(currentState.expectedResult)
        {
            BackendPrx prx = BackendPrx::uncheckedCast(communicator()->stringToProxy(currentState.testReference));
            try
            {
                prx->check();
            }
            catch(const Exception& ex)
            {
                cerr << ex << endl;
                test(false);
            }
        }
        else
        {
            BackendPrx prx = BackendPrx::uncheckedCast(communicator()->stringToProxy(currentState.testReference));
            try
            {
                prx->check();
                test(false);
            }
            catch(const ObjectNotExistException&)
            {
            }
            catch(const Exception& ex)
            {
                cerr << ex << endl;
                test(false);
            }
        }
    }

    //
    // Cleanup.
    //
    router->destroySession();

    cout << "testing shutdown... " << flush;
//.........这里部分代码省略.........

int
SessionControlClient::run(int, char**)
{
    cout << "getting router... " << flush;
    ObjectPrx routerBase = communicator()->stringToProxy("Glacier2/router:" + getTestEndpoint(communicator(), 50));
    Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(routerBase);
    test(router);
    communicator()->setDefaultRouter(router);
    cout << "ok" << endl;

    cout << "creating session... " << flush;
    Glacier2::SessionPrx sessionBase = router->createSession("userid", "abc123");
    Test::SessionPrx session = Test::SessionPrx::uncheckedCast(sessionBase);
    test(session);
    cout << "ok" << endl;

    cout << "testing destroy... " << flush;
    try
    {
        session->destroyFromClient();
    }
    catch(const Ice::LocalException&)
    {
        test(false);
    }
    try
    {
        session->ice_ping();
        test(false);
    }
    catch(const Ice::ConnectionLostException&)
    {
    }
    cout << "ok" << endl;

    cout << "testing create exceptions... " << flush;
    try
    {
        router->createSession("rejectme", "abc123");
        test(false);
    }
    catch(const Glacier2::CannotCreateSessionException&)
    {
    }
    try
    {
        router->createSession("localexception", "abc123");
        test(false);
    }
    catch(const Glacier2::CannotCreateSessionException&)
    {
    }
    cout << "ok" << endl;

    cout << "testing shutdown... " << flush;
    session = Test::SessionPrx::uncheckedCast(router->createSession("userid", "abc123"));
    session->shutdown();
    communicator()->setDefaultRouter(0);
    ObjectPrx processBase = communicator()->stringToProxy("Glacier2/admin -f Process:" +
                                                          getTestEndpoint(communicator(), 51));
    Ice::ProcessPrx process = Ice::ProcessPrx::checkedCast(processBase);
    test(process);
    process->shutdown();
    try
    {
        process->ice_ping();
        test(false);
    }
    catch(const Ice::LocalException&)
    {
        cout << "ok" << endl;
    }

    return EXIT_SUCCESS;
}

int
AttackClient::run(int, char**)
{
    ObjectPrx routerBase = communicator()->stringToProxy("Glacier2/router:" + getTestEndpoint(communicator(), 10));
    Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(routerBase);
    test(router);
    communicator()->setDefaultRouter(router);

    PropertyDict::const_iterator p;

    PropertyDict badProxies = communicator()->getProperties()->getPropertiesForPrefix("Reject.Proxy.");
    for(p = badProxies.begin(); p != badProxies.end(); ++p)
    {
        try
        {
            Glacier2::SessionPrx session = router->createSession("userid", "abc123");
        }
        catch(const Glacier2::CannotCreateSessionException&)
        {
            test("Unable to create new session" == 0);
        }
        BackendPrx backend = BackendPrx::uncheckedCast(communicator()->stringToProxy(p->second));
        try
        {
            backend->ice_ping();
            cerr << "Test failed on : " << p->second << endl;
            test("Expected exception" == 0);
        }
        catch(const ConnectionLostException&)
        {
            //
            // This is ok.
            //
        }
        catch(const CloseConnectionException&)
        {
            //
            // This is also ok.
            //
        }
        catch(const ObjectNotExistException&)
        {
            //
            // This is ok for non-address filters.
            //
            try
            {
                router->destroySession();
            }
            catch(...)
            {
            }
        }
        catch(const LocalException& e)
        {
            cerr << e << endl;
            test("Unexpected local exception" == 0);
        }
    }

    PropertyDict goodProxies = communicator()->getProperties()->getPropertiesForPrefix("Accept.Proxy.");
    for(p = goodProxies.begin(); p != goodProxies.end(); ++p)
    {
        try
        {
            Glacier2::SessionPrx session = router->createSession("userid", "abc123");
        }
        catch(const Glacier2::CannotCreateSessionException&)
        {
            test("Unable to create new session" == 0);
        }
        BackendPrx backend = BackendPrx::uncheckedCast(communicator()->stringToProxy(p->second));
        try
        {
            backend->ice_ping();
        }
        catch(const LocalException& ex)
        {
            cerr << p->second << endl;
            cerr << ex << endl;
            test("Unexpected local exception" == 0);
        }
        try
        {
            router->destroySession();
        }
        catch(const LocalException&)
        {
            //
            // Expected.
            //
        }
    }

    //
    // Stop using router and communicate with backend and router directly
    // to shut things down.
    //
    communicator()->setDefaultRouter(0);
    try
//.........这里部分代码省略.........

int
AttackClient::run(int argc, char* argv[])
{
    cout << "getting router... " << flush;
    ObjectPrx routerBase = communicator()->stringToProxy("Glacier2/router:default -p 12347");
    Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(routerBase);
    test(router);
    communicator()->setDefaultRouter(router);
    cout << "ok" << endl;

    cout << "creating session... " << flush;
    Glacier2::SessionPrx session = router->createSession("userid", "abc123");
    cout << "ok" << endl;

    cout << "making thousands of invocations on proxies... " << flush;
    ObjectPrx backendBase = communicator()->stringToProxy("dummy:tcp -p 12010");
    BackendPrx backend = BackendPrx::uncheckedCast(backendBase);
    backend->ice_ping();

    set<BackendPrx> backends;

    string msg;
    for(int i = 1; i <= 10000; ++i)
    {
        if(i % 100 == 0)
        {
            if(!msg.empty())
            {
                cout << string(msg.size(), '\b');
            }
            ostringstream s;
            s << i;
            msg = s.str();
            cout << msg << flush;
        }

        Identity ident;
        string::iterator p;

        ident.name.resize(1); // 1 + IceUtilInternal::random() % 2);
        for(p = ident.name.begin(); p != ident.name.end(); ++p)
        {
            *p = static_cast<char>('A' + IceUtilInternal::random() % 26);
        }

        ident.category.resize(IceUtilInternal::random() % 2);
        for(p = ident.category.begin(); p != ident.category.end(); ++p)
        {
            *p = static_cast<char>('a' + IceUtilInternal::random() % 26);
        }

        BackendPrx newBackend = BackendPrx::uncheckedCast(backendBase->ice_identity(ident));

        set<BackendPrx>::const_iterator q = backends.find(newBackend);

        if(q == backends.end())
        {
            backends.insert(newBackend);
            backend = newBackend;
        }
        else
        {
            backend = *q;
        }

        backend->ice_ping();
    }
    cout << string(msg.size(), '\b') << string(msg.size(), ' ') << string(msg.size(), '\b');
    cout << "ok" << endl;
    
    cout << "testing server and router shutdown... " << flush;
    backend->shutdown();
    communicator()->setDefaultRouter(0);
    ObjectPrx adminBase = communicator()->stringToProxy("Glacier2/admin -f Process:tcp -h 127.0.0.1 -p 12348");
    Ice::ProcessPrx process = Ice::ProcessPrx::checkedCast(adminBase);
    test(process);
    process->shutdown();
    try
    {
        process->ice_ping();
        test(false);
    }
    catch(const Ice::LocalException&)
    {
        cout << "ok" << endl;
    }

    return EXIT_SUCCESS;
}

void
CallbackClient::run(int argc, char** argv)
{
    Ice::PropertiesPtr properties = createTestProperties(argc, argv);
    properties->setProperty("Ice.Warn.Connections", "0");
    properties->setProperty("Ice.ThreadPool.Client.Serialize", "1");

    Ice::CommunicatorHolder communicator = initialize(argc, argv, properties);
    ObjectPrx routerBase = communicator->stringToProxy("Glacier2/router:" + getTestEndpoint(50));
    Glacier2::RouterPrx router = Glacier2::RouterPrx::checkedCast(routerBase);
    communicator->setDefaultRouter(router);

    ObjectPrx base = communicator->stringToProxy("c/callback:" + getTestEndpoint());
    Glacier2::SessionPrx session = router->createSession("userid", "abc123");
    base->ice_ping();

    CallbackPrx twoway = CallbackPrx::checkedCast(base);
    CallbackPrx oneway = twoway->ice_oneway();
    CallbackPrx batchOneway = twoway->ice_batchOneway();

    communicator->getProperties()->setProperty("Ice.PrintAdapterReady", "0");
    ObjectAdapterPtr adapter = communicator->createObjectAdapterWithRouter("CallbackReceiverAdapter", router);
    adapter->activate();

    string category = router->getCategoryForClient();

    CallbackReceiverI* callbackReceiverImpl = new CallbackReceiverI;
    ObjectPtr callbackReceiver = callbackReceiverImpl;

    Identity callbackReceiverIdent;
    callbackReceiverIdent.name = "callbackReceiver";
    callbackReceiverIdent.category = category;
    CallbackReceiverPrx twowayR =
        CallbackReceiverPrx::uncheckedCast(adapter->add(callbackReceiver, callbackReceiverIdent));
    CallbackReceiverPrx onewayR = twowayR->ice_oneway();

    {
        cout << "testing client request override... " << flush;
        {
            for(int i = 0; i < 5; i++)
            {
                oneway->initiateCallback(twowayR, 0);
                oneway->initiateCallback(twowayR, 0);
                callbackReceiverImpl->callbackOK(2, 0);
            }
        }

        {
            Ice::Context ctx;
            ctx["_ovrd"] = "test";
            for(int i = 0; i < 5; i++)
            {
                oneway->initiateCallback(twowayR, i, ctx);
                oneway->initiateCallback(twowayR, i, ctx);
                oneway->initiateCallback(twowayR, i, ctx);
                IceUtil::ThreadControl::sleep(IceUtil::Time::milliSeconds(100));
                test(callbackReceiverImpl->callbackOK(1, i) < 3);
            }
        }
        cout << "ok" << endl;
    }

    {
        cout << "testing server request override... " << flush;
        Ice::Context ctx;
        ctx["serverOvrd"] = "test";
        for(int i = 0; i < 5; i++)
        {
            oneway->initiateCallback(onewayR, i, ctx);
            oneway->initiateCallback(onewayR, i, ctx);
            oneway->initiateCallback(onewayR, i, ctx);
            IceUtil::ThreadControl::sleep(IceUtil::Time::milliSeconds(100));
            test(callbackReceiverImpl->callbackOK(1, i) < 3);
        }
        oneway->initiateCallback(twowayR, 0);
        test(callbackReceiverImpl->callbackOK(1, 0) == 0);

        int count = 0;
        int nRetry = 0;
        do
        {
            callbackReceiverImpl->hold();
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallbackWithPayload(onewayR, ctx);
            oneway->initiateCallback(twowayR, 0);
            IceUtil::ThreadControl::sleep(IceUtil::Time::milliSeconds(200 + nRetry * 200));
            callbackReceiverImpl->activate();
            test(callbackReceiverImpl->callbackOK(1, 0) == 0);
            count = callbackReceiverImpl->callbackWithPayloadOK(0);
            callbackReceiverImpl->callbackWithPayloadOK(count);
        }
        while(count == 10 && nRetry++ < 10);
//.........这里部分代码省略.........

void
SessionHelperI::connected(const Glacier2::RouterPrx& router, const Glacier2::SessionPrx& session)
{
    //
    // Remote invocation should be done without acquiring a mutex lock.
    //
    assert(router);
    Ice::ConnectionPtr conn = router->ice_getCachedConnection();
    string category = router->getCategoryForClient();
    Ice::Int acmTimeout = 0;
    try
    {
        acmTimeout = router->getACMTimeout();
    }
    catch(const Ice::OperationNotExistException&)
    {
    }

    if(acmTimeout <= 0)
    {
        acmTimeout = static_cast<Ice::Int>(router->getSessionTimeout());
    }

    //
    // We create the callback object adapter here because createObjectAdapter internally
    // makes synchronous RPCs to the router. We can't create the OA on-demand when the
    // client calls objectAdapter() or addWithUUID() because they can be called from the
    // GUI thread.
    //
    if(_useCallbacks)
    {
        _adapter = _communicator->createObjectAdapterWithRouter("", router);
        _adapter->activate();
    }

    bool destroy;
    {
        IceUtil::Mutex::Lock sync(_mutex);
        _router = router;
        destroy = _destroy;

        if(!_destroy)
        {
            //
            // Cache the category.
            //
            _category = category;

            //
            // Assign the session after _destroy is checked.
            //
            _session = session;
            _connected = true;

            if(acmTimeout > 0)
            {
                Ice::ConnectionPtr connection = _router->ice_getCachedConnection();
                assert(connection);
                connection->setACM(acmTimeout, IceUtil::None, Ice::HeartbeatAlways);
                connection->setCallback(new ConnectionCallbackI(this));
            }
        }
    }

    if(destroy)
    {
        //
        // connected() is only called from the ConnectThread so it is ok to
        // call destroyInternal here.
        //
        destroyInternal(new Disconnected(this, _callback));
    }
    else
    {
        dispatchCallback(new Connected(_callback, this), conn);
    }
}