void MeshBase::Update()
{
// Periodic sends
if (millis() - last_broadcast_time > PEER_DISCOVERY_TIME)
{
if (!IsReady())
ChooseAddress();
SendPeerDiscovery();
}
// Recieve
uint8_t pipe_num;
if (radio.available(&pipe_num))
{
bool done = false;
do {
uint8_t len = radio.getDynamicPayloadSize();
uint8_t buff[40];
done = radio.read(buff, min(len, sizeof(buff)));
if (pipe_num == 0)
{
HandleMessage(0, buff, len);
} else if (pipe_num == 1) {
HandlePeerDiscovery(buff, len);
}
} while (!done);
}
// Update peers
if (millis() - last_peer_check_time > PEER_CHECK_TIME)
{
LinkedList<Peer>::Node* current = peers.first;
while(current != NULL)
{
current->item->time += 1;
if (current->item->time >= PEER_TIMEOUT)
{
Serial.print("Lost Peer: ");
Serial.println(current->item->address, DEC);
current = peers.Remove(current);
} else {
current = current->next;
}
}
last_peer_check_time = millis();
}
}
void MeshBase::HandlePacket(const byte* data, uint8_t len)
{
if (len < sizeof(Message))
return;
const MeshBase::Message* msg = (struct MeshBase::Message*)data;
uint8_t payload_length = len - sizeof(Message);
const byte* payload = data + sizeof(Message);
if (msg->split_more || msg->split_part != 0)
{
// Re-assembly needed
// TODO: Re-assemble packets
} else {
switch(msg->type) {
case type_peer_discovery:
HandlePeerDiscovery(msg, payload, payload_length);
break;
default:
OnMessage(msg, payload, payload_length);
break;
}
delete data;
}
}
