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* refactor of Contact/Client out_path_len (stored in files), from signed to unsigned byte (+2 squashed commits)

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Squashed commits:
[f326e25] * misc
[fa5152e] * new 'path mode' parsing in Dispatcher
This commit is contained in:
Scott Powell
2026-02-19 14:37:51 +11:00
parent bbc5f0c11a
commit 3e76161e9c
18 changed files with 222 additions and 167 deletions
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34
examples/simple_sensor/SensorMesh.cpp
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@@ -258,7 +258,7 @@ void SensorMesh::sendAlert(const ClientInfo* c, Trigger* t) {
auto pkt = createDatagram(PAYLOAD_TYPE_TXT_MSG, c->id, c->shared_secret, data, 5 + text_len);
if (pkt) {
if (c->out_path_len >= 0) { // we have an out_path, so send DIRECT
if (c->out_path_len != OUT_PATH_UNKNOWN) { // we have an out_path, so send DIRECT
sendDirect(pkt, c->out_path, c->out_path_len);
} else {
sendFlood(pkt);
@@ -302,7 +302,7 @@ float SensorMesh::getAirtimeBudgetFactor() const {
bool SensorMesh::allowPacketForward(const mesh::Packet* packet) {
if (_prefs.disable_fwd) return false;
if (packet->isRouteFlood() && packet->path_len >= _prefs.flood_max) return false;
if (packet->isRouteFlood() && packet->getPathHashCount() >= _prefs.flood_max) return false;
return true;
}
@@ -312,11 +312,11 @@ int SensorMesh::calcRxDelay(float score, uint32_t air_time) const {
}
uint32_t SensorMesh::getRetransmitDelay(const mesh::Packet* packet) {
uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.tx_delay_factor);
uint32_t t = (_radio->getEstAirtimeFor(packet->getPathByteLen() + packet->payload_len + 2) * _prefs.tx_delay_factor);
return getRNG()->nextInt(0, 6)*t;
}
uint32_t SensorMesh::getDirectRetransmitDelay(const mesh::Packet* packet) {
uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * _prefs.direct_tx_delay_factor);
uint32_t t = (_radio->getEstAirtimeFor(packet->getPathByteLen() + packet->payload_len + 2) * _prefs.direct_tx_delay_factor);
return getRNG()->nextInt(0, 6)*t;
}
int SensorMesh::getInterferenceThreshold() const {
@@ -360,7 +360,7 @@ uint8_t SensorMesh::handleLoginReq(const mesh::Identity& sender, const uint8_t*
}
if (is_flood) {
client->out_path_len = -1; // need to rediscover out_path
client->out_path_len = OUT_PATH_UNKNOWN; // need to rediscover out_path
}
uint32_t now = getRTCClock()->getCurrentTimeUnique();
@@ -468,10 +468,10 @@ void SensorMesh::onAnonDataRecv(mesh::Packet* packet, const uint8_t* secret, con
// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the response
mesh::Packet* path = createPathReturn(sender, secret, packet->path, packet->path_len,
PAYLOAD_TYPE_RESPONSE, reply_data, reply_len);
if (path) sendFlood(path, SERVER_RESPONSE_DELAY);
if (path) sendFlood(path, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
} else {
mesh::Packet* reply = createDatagram(PAYLOAD_TYPE_RESPONSE, sender, secret, reply_data, reply_len);
if (reply) sendFlood(reply, SERVER_RESPONSE_DELAY);
if (reply) sendFlood(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
}
}
}
@@ -496,10 +496,10 @@ void SensorMesh::getPeerSharedSecret(uint8_t* dest_secret, int peer_idx) {
}
}
void SensorMesh::sendAckTo(const ClientInfo& dest, uint32_t ack_hash) {
if (dest.out_path_len < 0) {
void SensorMesh::sendAckTo(const ClientInfo& dest, uint32_t ack_hash, uint8_t path_hash_size) {
if (dest.out_path_len == OUT_PATH_UNKNOWN) {
mesh::Packet* ack = createAck(ack_hash);
if (ack) sendFlood(ack, TXT_ACK_DELAY);
if (ack) sendFlood(ack, TXT_ACK_DELAY, path_hash_size);
} else {
uint32_t d = TXT_ACK_DELAY;
if (getExtraAckTransmitCount() > 0) {
@@ -537,14 +537,14 @@ void SensorMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_i
// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the response
mesh::Packet* path = createPathReturn(from->id, secret, packet->path, packet->path_len,
PAYLOAD_TYPE_RESPONSE, reply_data, reply_len);
if (path) sendFlood(path, SERVER_RESPONSE_DELAY);
if (path) sendFlood(path, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
} else {
mesh::Packet* reply = createDatagram(PAYLOAD_TYPE_RESPONSE, from->id, secret, reply_data, reply_len);
if (reply) {
if (from->out_path_len >= 0) { // we have an out_path, so send DIRECT
if (from->out_path_len != OUT_PATH_UNKNOWN) { // we have an out_path, so send DIRECT
sendDirect(reply, from->out_path, from->out_path_len, SERVER_RESPONSE_DELAY);
} else {
sendFlood(reply, SERVER_RESPONSE_DELAY);
sendFlood(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
}
}
}
@@ -569,7 +569,7 @@ void SensorMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_i
PAYLOAD_TYPE_ACK, (uint8_t *) &ack_hash, 4);
if (path) sendFlood(path, TXT_ACK_DELAY);
} else {
sendAckTo(*from, ack_hash);
sendAckTo(*from, ack_hash, packet->getPathHashSize());
}
}
} else if (flags == TXT_TYPE_CLI_DATA) {
@@ -596,8 +596,8 @@ void SensorMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_i
auto reply = createDatagram(PAYLOAD_TYPE_TXT_MSG, from->id, secret, temp, 5 + text_len);
if (reply) {
if (from->out_path_len < 0) {
sendFlood(reply, CLI_REPLY_DELAY_MILLIS);
if (from->out_path_len == OUT_PATH_UNKNOWN) {
sendFlood(reply, CLI_REPLY_DELAY_MILLIS, packet->getPathHashSize());
} else {
sendDirect(reply, from->out_path, from->out_path_len, CLI_REPLY_DELAY_MILLIS);
}
@@ -666,7 +666,7 @@ bool SensorMesh::onPeerPathRecv(mesh::Packet* packet, int sender_idx, const uint
MESH_DEBUG_PRINTLN("PATH to contact, path_len=%d", (uint32_t) path_len);
// NOTE: for this impl, we just replace the current 'out_path' regardless, whenever sender sends us a new out_path.
// FUTURE: could store multiple out_paths per contact, and try to find which is the 'best'(?)
memcpy(from->out_path, path, from->out_path_len = path_len); // store a copy of path, for sendDirect()
from->out_path_len = mesh::Packet::copyPath(from->out_path, path, path_len); // store a copy of path, for sendDirect()
from->last_activity = getRTCClock()->getCurrentTime();
// REVISIT: maybe make ALL out_paths non-persisted to minimise flash writes??