int zmq::stream_engine_t::decode_and_push (msg_t *msg_)
{
zmq_assert (mechanism != NULL);
if (mechanism->decode (msg_) == -1)
return -1;
if(has_timeout_timer) {
has_timeout_timer = false;
cancel_timer(heartbeat_timeout_timer_id);
}
if(has_ttl_timer) {
has_ttl_timer = false;
cancel_timer(heartbeat_ttl_timer_id);
}
if(msg_->flags() & msg_t::command) {
uint8_t cmd_id = *((uint8_t*)msg_->data());
if(cmd_id == 4)
process_heartbeat_message(msg_);
}
if (metadata)
msg_->set_metadata (metadata);
if (session->push_msg (msg_) == -1) {
if (errno == EAGAIN)
process_msg = &stream_engine_t::push_one_then_decode_and_push;
return -1;
}
return 0;
}
int zmq::stream_engine_t::process_command_message (msg_t *msg_)
{
const uint8_t cmd_name_size =
*(static_cast<const uint8_t *> (msg_->data ()));
const size_t ping_name_size = msg_t::ping_cmd_name_size - 1;
const size_t sub_name_size = msg_t::sub_cmd_name_size - 1;
const size_t cancel_name_size = msg_t::cancel_cmd_name_size - 1;
// Malformed command
if (unlikely (msg_->size () < cmd_name_size + sizeof (cmd_name_size)))
return -1;
uint8_t *cmd_name = (static_cast<uint8_t *> (msg_->data ())) + 1;
if (cmd_name_size == ping_name_size
&& memcmp (cmd_name, "PING", cmd_name_size) == 0)
msg_->set_flags (zmq::msg_t::ping);
if (cmd_name_size == ping_name_size
&& memcmp (cmd_name, "PONG", cmd_name_size) == 0)
msg_->set_flags (zmq::msg_t::pong);
if (cmd_name_size == sub_name_size
&& memcmp (cmd_name, "SUBSCRIBE", cmd_name_size) == 0)
msg_->set_flags (zmq::msg_t::subscribe);
if (cmd_name_size == cancel_name_size
&& memcmp (cmd_name, "CANCEL", cmd_name_size) == 0)
msg_->set_flags (zmq::msg_t::cancel);
if (msg_->is_ping () || msg_->is_pong ())
return process_heartbeat_message (msg_);
return 0;
}
