public void OnDataAvailable(IDataReader entityInterface)
        {
            Msg[]        msgList = null;
            SampleInfo[] infoSeq = null;

            status = msgDR.Read(ref msgList, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.New, InstanceStateKind.Any);
            ErrorHandler.checkStatus(status, "DataReader.Read");

            if (msgList != null && msgList.Length > 0)
            {
                Console.WriteLine("=== [ListenerDataListener::OnDataAvailable] - msgList.Length : {0}", msgList.Length);
                foreach (Msg msg in msgList)
                {
                    Console.WriteLine("    --- Message Received ---");
                    Console.WriteLine("    userId : {0}", msg.userID);
                    Console.WriteLine("    message : \\ {0}", msg.message);
                }
                status = msgDR.ReturnLoan(ref msgList, ref infoSeq);
                ErrorHandler.checkStatus(status, "DataReader.ReturnLoan");
            }
            guardCond.SetTriggerValue(true);
        }
Example #2
0
        static void Main(string[] args)
        {
            String[] sSampleState   = { "READ_SAMPLE_STATE", "NOT_READ_SAMPLE_STATE" };
            String[] sViewState     = { "NEW_VIEW_STATE", "NOT_NEW_VIEW_STATE" };
            String[] sInstanceState = { "ALIVE_INSTANCE_STATE", "NOT_ALIVE_DISPOSED_INSTANCE_STATE", "NOT_ALIVE_NO_WRITERS_INSTANCE_STATE" };

            bool closed    = false;
            int  nbIter    = 1;
            int  nbIterMax = 100;

            ReturnCode status = ReturnCode.Error;

            Msg[]        msgList = null;
            SampleInfo[] infoSeq = null;

            DDSEntityManager mgr = new DDSEntityManager("Lifecycle");

            // Create domain participant
            String partitionName = "Lifecycle example";

            mgr.createParticipant(partitionName);

            // Create type
            MsgTypeSupport mt = new MsgTypeSupport();

            mgr.registerType(mt);

            // Create Topic
            String topicName = "Lifecycle_Msg";

            mgr.createTopic(topicName);

            // Create Subscriber
            mgr.createSubscriber();
            mgr.createReader(false);

            IDataReader   dreader         = mgr.getReader();
            MsgDataReader LifecycleReader = dreader as MsgDataReader;

            ErrorHandler.checkHandle(LifecycleReader, "MsgDataReader narrow");

            Console.WriteLine("=== [Subscriber] Ready ...");

            while (!closed && (nbIter < nbIterMax))
            {
                status = LifecycleReader.Read(ref msgList, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
                ErrorHandler.checkStatus(status, "MsgDataReader.Read");

                for (int j = 0; j < msgList.Length; j++)
                {
                    Console.WriteLine(" Message        : {0}", msgList[j].message);
                    Console.WriteLine(" writerStates   : {0}", msgList[j].writerStates);
                    Console.WriteLine(" valida data    : {0}", infoSeq[j].ValidData);
                    Console.WriteLine(" sample_state   : {0}", sSampleState[index((int)infoSeq[j].SampleState)]);
                    Console.WriteLine(" instance_state : {0}", sInstanceState[index((int)infoSeq[j].InstanceState)]);
                    Thread.Sleep(200);
                    closed = msgList[j].writerStates.Equals("STOPPING_SUBSCRIBER");
                }
                status = LifecycleReader.ReturnLoan(ref msgList, ref infoSeq);
                ErrorHandler.checkStatus(status, "MsgDataReader.ReturnLoan");
                Thread.Sleep(20);
                nbIter++;
            }

            Console.WriteLine("=== [Subscriber] stopping after {0} iterations - closed={1}", nbIter, closed.ToString());
            if (nbIter == nbIterMax)
            {
                Console.WriteLine("*** Error : max {0} iterations reached", nbIterMax);
            }

            // Clean-up
            mgr.getSubscriber().DeleteDataReader(LifecycleReader);
            mgr.deleteSubscriber();
            mgr.deleteTopic();
            mgr.deleteParticipant();
        }