Ice 3.4.2 Source Distributionv3.4.2

1 files changed, 239 insertions, 0 deletions

diff --git a/cpp/demo/IceGrid/sessionActivation/Client.cpp b/cpp/demo/IceGrid/sessionActivation/Client.cpp
new file mode 100644
index 00000000000..95a31b52de8
--- /dev/null
+++ b/cpp/demo/IceGrid/sessionActivation/Client.cpp
@@ -0,0 +1,239 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2011 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 <IceUtil/IceUtil.h>
+#include <Ice/Ice.h>
+#include <IceGrid/IceGrid.h>
+#include <Hello.h>
+
+using namespace std;
+using namespace Demo;
+
+class SessionKeepAliveThread : public IceUtil::Thread, public IceUtil::Monitor<IceUtil::Mutex>
+{
+public:
+
+    SessionKeepAliveThread(const IceGrid::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->keepAlive();
+            }
+            catch(const Ice::Exception&)
+            {
+                break;
+            }
+        }
+    }
+
+    void
+    destroy()
+    {
+        Lock sync(*this);
+        _destroy = true;
+        notify();
+    }
+
+private:
+
+    IceGrid::SessionPrx _session;
+    const IceUtil::Time _timeout;
+    bool _destroy;
+};
+
+typedef IceUtil::Handle<SessionKeepAliveThread> SessionKeepAliveThreadPtr;
+
+class HelloClient : public Ice::Application
+{
+public:
+
+    HelloClient();
+    virtual int run(int, char*[]);
+
+private:
+
+    void cleanup();
+    void menu();
+    string trim(const string&);
+};
+
+int
+main(int argc, char* argv[])
+{
+    HelloClient app;
+    return app.main(argc, argv, "config.client");
+}
+
+HelloClient::HelloClient() :
+    //
+    // Since this is an interactive demo we don't want any signal
+    // handling.
+    //
+    Ice::Application(Ice::NoSignalHandling)
+{
+}
+
+int
+HelloClient::run(int argc, char* argv[])
+{
+    if(argc > 1)
+    {
+        cerr << appName() << ": too many arguments" << endl;
+        return EXIT_FAILURE;
+    }
+
+    int status = EXIT_SUCCESS;
+
+    IceGrid::RegistryPrx registry = 
+        IceGrid::RegistryPrx::checkedCast(communicator()->stringToProxy("DemoIceGrid/Registry"));
+    if(!registry)
+    {
+        cerr << argv[0] << ": could not contact registry" << endl;
+        return EXIT_FAILURE;
+    }
+
+    IceGrid::SessionPrx 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 password;
+        cout << "password: " << flush;
+        getline(cin, password);
+        password = trim(password);
+
+        try
+        {  
+            session = registry->createSession(id, password);
+            break;
+        }
+        catch(const IceGrid::PermissionDeniedException& ex)
+        {
+            cout << "permission denied:\n" << ex.reason << endl;
+        }
+    }
+
+    SessionKeepAliveThreadPtr keepAlive = new SessionKeepAliveThread(session, registry->getSessionTimeout() / 2);
+    keepAlive->start();
+
+    try
+    {
+        HelloPrx hello = HelloPrx::checkedCast(session->allocateObjectById(communicator()->stringToIdentity("hello")));
+
+        menu();
+
+        char c;
+        do
+        {
+            try
+            {
+                cout << "==> ";
+                cin >> c;
+                if(c == 't')
+                {
+                    hello->sayHello();
+                }
+                else if(c == 'x')
+                {
+                    // Nothing to do
+                }
+                else if(c == '?')
+                {
+                    menu();
+                }
+                else
+                {
+                    cout << "unknown command `" << c << "'" << endl;
+                    menu();
+                }
+            }
+            catch(const Ice::Exception& ex)
+            {
+                cerr << ex << endl;
+            }
+        }
+        while(cin.good() && c != 'x');
+    }
+    catch(const IceGrid::AllocationException& ex)
+    {
+        cerr << argv[0] << ": could not allocate object: " << ex.reason << endl;
+        status = EXIT_FAILURE;
+    }
+    catch(const IceGrid::ObjectNotRegisteredException&)
+    {
+        cerr << argv[0] << ": object not registered with registry" << endl;
+        status = EXIT_FAILURE;
+    }
+    catch(const Ice::Exception& ex)
+    {
+        cerr << ex << endl;
+        status = EXIT_FAILURE;
+    }
+    catch(...)
+    {
+        cerr << "unexpected exception" << endl;
+        status = EXIT_FAILURE;
+    }
+
+    //
+    // Destroy the keepAlive thread and the sesion object otherwise
+    // the session will be kept allocated until the timeout occurs.
+    // Destroying the session will release all allocated objects.
+    //
+    keepAlive->destroy();
+    keepAlive->getThreadControl().join();
+
+    session->destroy();
+
+    return status;
+}
+
+void
+HelloClient::menu()
+{
+    cout <<
+        "usage:\n"
+        "t: send greeting\n"
+        "x: exit\n"
+        "?: help\n";
+}
+
+string
+HelloClient::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;
+}
+