qa_interface_msgq.cpp

00001 
00002 /***************************************************************************
00003  *  qa_interface_msgq.cpp - QA for interface message queue
00004  *
00005  *  Created: Tue Oct 24 14:34:40 2006
00006  *  Copyright  2006  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU Library General Public License for more details.
00019  *
00020  *  Read the full text in the LICENSE.GPL file in the doc directory.
00021  */
00022 
00023 /// @cond QA
00024 
00025 #include <interface/message_queue.h>
00026 #include <iostream>
00027 
00028 #include <interfaces/test.h>
00029 #include <typeinfo>
00030 
00031 using namespace std;
00032 using namespace fawkes;
00033 
00034 void
00035 printMessages(MessageQueue *mq)
00036 {
00037   cout << "Iterating through messages:" << endl;
00038   MessageQueue::MessageIterator i;
00039   mq->lock();
00040   for ( i = mq->begin(); i != mq->end(); ++i) {
00041     if ( i.is<TestInterface::SetTestIntMessage>() ) {
00042       cout << "Message " << i.id() << " int: "
00043            << i.get<TestInterface::SetTestIntMessage>()->test_int()
00044            << "   type: " << typeid((*i)).name()
00045            << endl;
00046     } else if ( i.is<Message>() ) {
00047       cout << "It's just a message" << endl;
00048     } else {
00049       cout << "Message " << i.id() << " is not of correct type, it is " << typeid((*i)).name() << endl;
00050     }
00051   }
00052   mq->unlock();
00053 }
00054 
00055 int
00056 main(int argc, char **argv)
00057 {
00058 
00059   unsigned int id;
00060   MessageQueue *mq = new MessageQueue();
00061 
00062   cout << "Message queue initialized, now appending three test messages" << endl;
00063 
00064   TestInterface::SetTestIntMessage *m1 = new TestInterface::SetTestIntMessage(1);
00065   TestInterface::SetTestIntMessage *m2 = new TestInterface::SetTestIntMessage(2);
00066   TestInterface::SetTestIntMessage *m3 = new TestInterface::SetTestIntMessage(3);
00067   TestInterface::SetTestStringMessage *m4 = new TestInterface::SetTestStringMessage();
00068   id = mq->append(m1);
00069   cout << "m1 added with id " << id << endl;
00070   id = mq->append(m1);
00071   cout << "m1 added with id " << id << endl;
00072   id = mq->append(m2);
00073   cout << "m2 added with id " << id << endl;
00074   id = mq->append(m3);
00075   cout << "m3 added with id " << id << endl;
00076   id = mq->append(m4);
00077   cout << "m4 (of different type!) added with id " << id << endl;
00078 
00079   cout << "Size is now " << mq->size() << endl;
00080 
00081   cout << "Unreferencing messages" << endl;
00082   m1->unref();
00083   m2->unref();
00084   m3->unref();
00085   m4->unref();
00086 
00087   cout << "Appending m1 again" << endl;
00088   id = mq->append(m1);
00089   cout << "m1 added with id " << id << endl;
00090   cout << "Size is now " << mq->size() << endl;
00091   cout << "m1 refcount is now " << m1->refcount() << endl;
00092 
00093   printMessages(mq);
00094 
00095   cout << "Now removing message m1 once" << endl;
00096   mq->remove(m1);
00097   printMessages(mq);
00098 
00099 
00100   cout << "m1 has refcount " << m1->refcount() << endl;
00101 
00102   cout << "Now removing message m2" << endl;
00103   mq->remove(m2);
00104   printMessages(mq);
00105 
00106   cout << "Now removing message m4" << endl;
00107   mq->remove(m4);
00108   printMessages(mq);
00109 
00110   cout << "Size is now " << mq->size() << endl;
00111 
00112   printMessages(mq);
00113 
00114   delete mq;
00115   // messages will be erased when enqueued in mq!
00116 
00117 }
00118 
00119 /// @endcond

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