Added async demo

1 files changed, 69 insertions, 0 deletions

diff --git a/cpp/demo/Ice/async/QueueI.cpp b/cpp/demo/Ice/async/QueueI.cpp
new file mode 100644
index 00000000000..a2255c3d83f
--- /dev/null
+++ b/cpp/demo/Ice/async/QueueI.cpp
@@ -0,0 +1,69 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2006 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 <QueueI.h>
+
+using namespace std;
+
+void
+QueueI::get_async(const Demo::AMD_Queue_getPtr& getCB, const Ice::Current&)
+{
+    IceUtil::Mutex::Lock lock(*this);
+
+    //
+    // If there is already a message in the message queue, send the 
+    // response  immediately. Otherwise add the callback to the 
+    // request queue.
+    //
+    if(_messageQueue.size() != 0)
+    {
+        try
+	{
+            getCB->ice_response(_messageQueue.front());
+	    _messageQueue.pop_front();
+	}
+	catch(const Ice::Exception& ex)
+	{
+	    cout << ex << endl;
+	}
+    }
+    else
+    {
+        _requestQueue.push_back(getCB);
+    }
+}
+
+void
+QueueI::add(const ::std::string& message, const Ice::Current&)
+{
+    IceUtil::Mutex::Lock lock(*this);
+
+    //
+    // If there is an outstanding request in the request queue,
+    // send a response. Otherwise add the message to the message
+    // queue.
+    //
+    if(_requestQueue.size() != 0)
+    {
+        try
+	{
+            _requestQueue.front()->ice_response(message);
+	}
+	catch(const Ice::Exception& ex)
+	{
+	    _messageQueue.push_back(message);
+	    cout << ex << endl;
+	}
+	_requestQueue.pop_front();
+    }
+    else
+    {
+        _messageQueue.push_back(message);
+    }
+}