DDS::Topic_var
TestBase::create_topic()
{
const char* name = DEFAULT_TOPIC;
TestMessageTypeSupport_var ts =
new TestMessageTypeSupportImpl();
if (ts->register_type(this->participant_.in(), "") != DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("ERROR: %N:%l: create_topic() -")
ACE_TEXT(" register_type failed!\n")));
ACE_OS::exit(-1);
}
CORBA::String_var s = ts->get_type_name();
const char* type_name = s.in();
DDS::TopicQos qos;
if (this->participant_->get_default_topic_qos(qos) != DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("ERROR: %N:%l: create_topic() -")
ACE_TEXT(" get_default_topic_qos failed!\n")));
ACE_OS::exit(-1);
}
DDS::TopicListener_ptr listener =
DDS::TopicListener::_nil();
DDS::StatusMask status = OpenDDS::DCPS::DEFAULT_STATUS_MASK;
if (init_topic(name, type_name, qos, listener, status) != DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("ERROR: %N:%l: create_topic() -")
ACE_TEXT(" init_topic failed!\n")));
ACE_OS::exit(-1);
}
DDS::Topic_var topic =
this->participant_->create_topic(name, type_name, qos, listener, status);
if (CORBA::is_nil(topic.in())) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("ERROR: %N:%l: create_topic() -")
ACE_TEXT(" create_topic failed!\n")));
ACE_OS::exit(-1);
}
return topic;
}
void app_parse_mqttmsg(uint8_t *packet_buffer)
{
uint8_t msg_type = 0;
uint16_t msg_id_rcv = 0;
char topic_name[56]={0};
char msg[128]={0};
msg_type = MQTTParseMessageType(packet_buffer);
//printf("-----> parse:0x%02X\n", msg_type);
switch(msg_type)
{
case MQTT_MSG_CONNACK:
if(packet_buffer[3] == 0)
{
printf("Mqtt login server success\n");
/* subscribe */
init_topic(&g_sub_topic, sub_topic_name, sizeof(sub_topic_name));
mqtt_subscribe(&g_stMQTTBroker, g_sub_topic->name, &(g_sub_topic->msg_id));
/* publish msg with Qos 0 */
//step1:>>>publish
init_topic(&g_pub_topic1, pub_topic_name1, sizeof(pub_topic_name1));
mqtt_publish(&g_stMQTTBroker, g_pub_topic1->name, pub_msg1, 0);
printf("APP publish msg[%s] with Qos 0\n", pub_msg1);
deinit_topic(&g_pub_topic1);
/* publish msg with Qos 1 */
//step1:>>>publish
//step2:<<<puback
init_topic(&g_pub_topic2, pub_topic_name2, sizeof(pub_topic_name2));
mqtt_publish_with_qos(&g_stMQTTBroker, g_pub_topic2->name, pub_msg2, 0, 1, &(g_pub_topic2->msg_id));
}
else
printf("Mqtt login server fail!\n");
break;
case MQTT_MSG_SUBACK:
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(g_sub_topic && msg_id_rcv == g_sub_topic->msg_id)
printf("Subcribe topic[%s] success\n", g_sub_topic->name);
break;
case MQTT_MSG_PUBLISH:
mqtt_parse_pub_topic(packet_buffer, topic_name);
mqtt_parse_publish_msg(packet_buffer, msg);
printf("****** Topic[%s] recv msg: *****\n%s\n",topic_name, msg);
/* unsubscribe */
if(!strcmp(g_sub_topic->name, topic_name))
mqtt_unsubscribe(&g_stMQTTBroker, g_sub_topic->name, &(g_sub_topic->msg_id));
break;
case MQTT_MSG_UNSUBACK:
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(g_sub_topic && msg_id_rcv == g_sub_topic->msg_id)
{
printf("Unsubcribe topic[%s] success\n", g_sub_topic->name);
deinit_topic(&g_sub_topic);
}
break;
case MQTT_MSG_PUBACK://Qos1
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(g_pub_topic2 && msg_id_rcv == g_pub_topic2->msg_id)
{
printf("APP publish msg[%s] with Qos 1\n", pub_msg2);
deinit_topic(&g_pub_topic2);
/* publish msg with Qos 2 */
//step1:>>>publish
//step2:<<<pubrec
//step3:>>>pubrel
//step4:<<<pubcomp
init_topic(&g_pub_topic3, pub_topic_name3, sizeof(pub_topic_name3));
mqtt_publish_with_qos(&g_stMQTTBroker, g_pub_topic3->name, pub_msg3, 1, 2, &(g_pub_topic3->msg_id));
}
break;
case MQTT_MSG_PUBREC://Qos2
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(g_pub_topic3 && msg_id_rcv == g_pub_topic3->msg_id)
mqtt_pubrel(&g_stMQTTBroker, g_pub_topic3->msg_id);
break;
case MQTT_MSG_PUBCOMP://Qos2
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(g_pub_topic3 && msg_id_rcv == g_pub_topic3->msg_id)
{
printf("APP publish msg[%s] with Qos 2\n", pub_msg3);
deinit_topic(&g_pub_topic3);
}
break;
default:
printf("Unknow mqtt msg type\n");
break;
}
}
