int OSPL_MAIN (int argc, const char *argv[])
{
DDS_Publisher message_Publisher;
DDS_DataWriter message_DataWriter;
ListenerData_Msg* message_Sample;
const DDS_char listener [] = "Hello World";
os_time delay_2s = { 2, 0 };
DDS_unsigned_long listenerLength = sizeof(listener) - 1;
printf("\n Starting ListenerPublisher...");
// Create DDS DomainParticipant
printf("\n create Participant...");
createParticipant("Listener example");
// Register the Topic's type in the DDS Domain.
g_MessageTypeSupport = ListenerData_MsgTypeSupport__alloc();
checkHandle(g_MessageTypeSupport, "ListenerData_MsgTypeSupport__alloc");
registerMessageType(g_MessageTypeSupport);
// Create the Topic's in the DDS Domain.
g_MessageTypeName = ListenerData_MsgTypeSupport_get_type_name(g_MessageTypeSupport);
g_MessageTopic = createTopic("ListenerData_Msg", g_MessageTypeName);
DDS_free(g_MessageTypeName);
DDS_free(g_MessageTypeSupport);
// Create the Publisher's in the DDS Domain.
message_Publisher = createPublisher();
// Request a Writer from the the Publisher.
message_DataWriter = createDataWriter(message_Publisher, g_MessageTopic);
message_Sample = ListenerData_Msg__alloc();
message_Sample->userID = 1;
message_Sample->message = DDS_string_alloc(listenerLength);
strncpy(message_Sample->message, listener, listenerLength);
printf("\n=== [ListenerPublisher] writing a message containing :");
printf("\n userID : %d", message_Sample->userID);
printf("\n Message : \"%s\"", message_Sample->message);
g_status = ListenerData_MsgDataWriter_write(message_DataWriter, message_Sample, DDS_HANDLE_NIL);
checkStatus(g_status, "ListenerData_MsgDataWriter_write");
os_nanoSleep(delay_2s);
// Cleanup DDS
deleteDataWriter(message_Publisher, message_DataWriter);
deletePublisher(message_Publisher);
deleteTopic(g_MessageTopic);
deleteParticipant();
// Cleanup C allocations
DDS_free(message_Sample);
printf("\n=== [ListenerPublisher] Exiting.\n\n");
return 0;
}
main(int argc, const char *argv[])
{
int x, i;
DDS_InstanceHandle_t userHandle;
DDS_Publisher message_Publisher;
DDS_DataWriter message_DataWriter;
ListenerData_Msg* message_Sample;
DDS_char* listener = "Hello World";
int listenerLength;
printf("\n Starting ListenerPublisher...");
// Create DDS DomainParticipant
printf("\n create Participant...");
createParticipant("Listener example");
// Register the Topic's type in the DDS Domain.
g_MessageTypeSupport = ListenerData_MsgTypeSupport__alloc();
checkHandle(g_MessageTypeSupport, "ListenerData_MsgTypeSupport__alloc");
registerMessageType(g_MessageTypeSupport);
// Create the Topic's in the DDS Domain.
g_MessageTypeName = (char*) ListenerData_MsgTypeSupport_get_type_name(g_MessageTypeSupport);
g_MessageTopic = createTopic("ListenerData_Msg", g_MessageTypeName);
DDS_free(g_MessageTypeName);
DDS_free(g_MessageTypeSupport);
// Create the Publisher's in the DDS Domain.
message_Publisher = createPublisher();
// Request a Writer from the the Publisher.
message_DataWriter = createDataWriter(message_Publisher, g_MessageTopic);
message_Sample = ListenerData_Msg__alloc();
userHandle = ListenerData_MsgDataWriter_register_instance(message_DataWriter, message_Sample);
message_Sample->userID = 1;
listenerLength = strlen(listener);
message_Sample->message = DDS_string_alloc(listenerLength);
strcpy(message_Sample->message, listener);
printf("\n=== [ListenerPublisher] writing a message containing :");
printf("\n userID : %d", message_Sample->userID);
printf("\n Message : \"%s\"", message_Sample->message);
g_status = ListenerData_MsgDataWriter_write(message_DataWriter, message_Sample, 0);
checkStatus(g_status, "ListenerData_MsgDataWriter_write");
ListenerData_MsgDataWriter_unregister_instance (message_DataWriter, message_Sample, userHandle);
// Cleanup DDS
deleteDataWriter(message_Publisher, message_DataWriter);
deletePublisher(message_Publisher);
deleteTopic(g_MessageTopic);
deleteParticipant();
// Cleanup C allocations
// Recursively free the instances sequence using the OpenSplice API.
DDS_free(message_Sample);
printf("\n=== [ListenerPublisher] Exiting.\n\n");
return 0;
}
