static void* _receiveThread(void* param) {
MsgReceiver_t *receiver = (MsgReceiver_t *)param;
amqp_envelope_t envelope;
amqp_rpc_reply_t reply;
amqp_frame_t *frame;
time_t curtime;
assert(receiver != NULL);
LOG4CXX_DEBUG(logger, "_receiveThread: event receiver thread started");
sendLeaseRequest(receiver);
curtime = getCurrentTime();
while(receiver->thread_run) {
amqp_maybe_release_buffers(receiver->conn_state);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
if(getElapsedSecond(curtime, getCurrentTime()) > 60*5) {
sendLeaseRequest(receiver);
curtime = getCurrentTime();
}
reply = amqp_consume_message(receiver->conn_state, &envelope, NULL, 0);
if(reply.reply_type == AMQP_RESPONSE_NORMAL) {
// call handler
MsgClientCallback_t callback = receiver->callback;
LOG4CXX_INFO(logger, "_receiveThread: received a message");
if(callback != NULL) {
LOG4CXX_INFO(logger, "_receiveThread: received a message - calling a callback function");
callback((const char*)envelope.routing_key.bytes, envelope.routing_key.len, (const char*)envelope.message.body.bytes, envelope.message.body.len);
}
int ack_result = amqp_basic_ack(receiver->conn_state, receiver->channel, envelope.delivery_tag, false);
if(ack_result != 0) {
LOG4CXX_ERROR(logger, "_receiveThread: ack failed " << ack_result);
}
amqp_destroy_envelope(&envelope);
} else {
LOG4CXX_INFO(logger, "_receiveThread: an exception occurred");
}
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
}
receiver->thread_run = false;
}
float getElapsedMillisecond()
{
return getElapsedSecond()*1000.0f;
}
