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* added getTransmitDelay(), applied to Flood mode retransmissions.

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This commit is contained in:
Scott Powell 2025-01-13 20:45:01 +11:00
parent d06532d6f1
commit 8983584dd8
4 changed files with 20 additions and 5 deletions
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12
src/Mesh.cpp
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@ -11,9 +11,14 @@ void Mesh::loop() {
Dispatcher::loop();
}
bool Mesh::allowPacketForward(mesh::Packet* packet) {
bool Mesh::allowPacketForward(const mesh::Packet* packet) {
return false; // by default, Transport NOT enabled
}
uint32_t Mesh::getRetransmitDelay(const mesh::Packet* packet) {
uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * 52 / 50) / 2;
return _rng->nextInt(0, 5)*t;
}
int Mesh::searchPeersByHash(const uint8_t* hash) {
return 0; // not found
@ -34,7 +39,7 @@ DispatcherAction Mesh::onRecvPacket(Packet* pkt) {
// remove our hash from 'path', then re-broadcast
pkt->path_len -= PATH_HASH_SIZE;
memcpy(pkt->path, &pkt->path[PATH_HASH_SIZE], pkt->path_len);
return ACTION_RETRANSMIT(0); // Routed traffic is HIGHEST priority
return ACTION_RETRANSMIT(0); // Routed traffic is HIGHEST priority (and NO per-hop delay)
}
return ACTION_RELEASE; // this node is NOT the next hop (OR this packet has already been forwarded), so discard.
}
@ -204,8 +209,9 @@ DispatcherAction Mesh::routeRecvPacket(Packet* packet) {
// append this node's hash to 'path'
packet->path_len += self_id.copyHashTo(&packet->path[packet->path_len]);
uint32_t d = getRetransmitDelay(packet);
// as this propagates outwards, give it lower and lower priority
return ACTION_RETRANSMIT(packet->path_len); // give priority to closer sources, than ones further away
return ACTION_RETRANSMIT_DELAYED(packet->path_len, d); // give priority to closer sources, than ones further away
}
return ACTION_RELEASE;
}