static void ev_handler(struct ns_connection *nc, int ev, void *p) {
struct ns_mqtt_message *msg = (struct ns_mqtt_message *)p;
(void) nc;
#if 0
if (ev != NS_POLL)
printf("USER HANDLER GOT %d\n", ev);
#endif
switch (ev) {
case NS_CONNECT:
ns_set_protocol_mqtt(nc);
ns_send_mqtt_handshake(nc, "dummy");
break;
case NS_MQTT_CONNACK:
if (msg->connack_ret_code != NS_MQTT_CONNACK_ACCEPTED) {
printf("Got mqtt connection error: %d\n", msg->connack_ret_code);
exit(1);
}
printf("Subscribing to '/stuff'\n");
ns_mqtt_subscribe(nc, topic_expressions, sizeof(topic_expressions)/sizeof(*topic_expressions), 42);
break;
case NS_MQTT_PUBACK:
printf("Message publishing acknowledged (msg_id: %d)\n", msg->message_id);
break;
case NS_MQTT_SUBACK:
printf("Subscription acknowledged, forwarding to '/test'\n");
break;
case NS_MQTT_PUBLISH:
{
#if 0
char hex[1024] = {0};
ns_hexdump(nc->recv_iobuf.buf, msg->payload.len, hex, sizeof(hex));
printf("Got incoming message %s:\n%s", msg->topic, hex);
#else
printf("Got incoming message %s: %.*s\n", msg->topic, (int)msg->payload.len, msg->payload.p);
#endif
printf("Forwarding to /test\n");
ns_mqtt_publish(nc, "/test", 65, NS_MQTT_QOS(0), msg->payload.p, msg->payload.len);
}
break;
case NS_CLOSE:
printf("Connection closed\n");
exit(1);
}
}
void *
CWrkThread::Entry()
{
wxString str;
struct ns_connection *nc;
struct ns_mgr mgr;
const char *address = "192.168.1.9:1883";
mgr.user_data = m_pObj;
ns_mgr_init( &mgr, m_pObj );
if ( NULL == ( nc = ns_connect( &mgr, (const char *)m_pObj->m_hostMQTT.mbc_str(), ev_handler ) ) ) {
fprintf( stderr, "ns_connect(%s) failed\n", address );
return NULL;
}
if (m_pObj->m_bSubscribe) {
while (!TestDestroy() && !m_pObj->m_bQuit) {
ns_mgr_poll( &mgr, 100 );
}
}
// Publish
else {
while ( !TestDestroy() && !m_pObj->m_bQuit ) {
ns_mgr_poll( &mgr, 100 );
// Wait for connection
if ( !m_pObj->m_bConnected ) {
continue;
}
if ( wxSEMA_TIMEOUT == m_pObj->m_semSendQueue.WaitTimeout( 10 ) ) continue;
if ( m_pObj->m_sendList.size() ) {
m_pObj->m_mutexSendQueue.Lock();
vscpEvent *pEvent = m_pObj->m_sendList.front();
m_pObj->m_sendList.pop_front();
m_pObj->m_mutexSendQueue.Unlock();
if (NULL == pEvent) continue;
if (m_pObj->m_bSimplify) {
;
}
else {
vscp_writeVscpEventToString( pEvent, str );
ns_mqtt_publish( nc,
"/vscp1",
65,
NS_MQTT_QOS( 0 ),
(const char *)str.mbc_str(),
str.Length() );
}
// We are done with the event - remove data if any
if (NULL != pEvent->pdata) {
delete [] pEvent->pdata;
pEvent->pdata = NULL;
}
} // Event received
::wxMilliSleep(50);
}
}
// Disconnect if we are connected.
if ( m_pObj->m_bConnected ) {
ns_mqtt_disconnect( nc );
}
return NULL;
}
