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Handle repeated/fallback to flooding packets properly

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First check if it's not still in the TxQueue
This commit is contained in:
GUVWAF
2024-11-16 16:32:24 +01:00
parent 360637c25d
commit bfc6a1940d
15 changed files with 122 additions and 49 deletions
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37
src/mesh/FloodingRouter.cpp
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@@ -22,23 +22,16 @@ ErrorCode FloodingRouter::send(meshtastic_MeshPacket *p)
bool FloodingRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
{
if (wasSeenRecently(p)) { // Note: this will also add a recent packet record
printPacket("Ignore dupe incoming msg", p);
rxDupe++;
if (config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER &&
config.device.role != meshtastic_Config_DeviceConfig_Role_REPEATER) {
// cancel rebroadcast of this message *if* there was already one, unless we're a router/repeater!
if (Router::cancelSending(p->from, p->id))
txRelayCanceled++;
}
/* If the original transmitter is doing retransmissions (hopStart equals hopLimit) for a reliable transmission, e.g., when
the ACK got lost, we will handle the packet again to make sure it gets an ACK to its packet. */
the ACK got lost, we will handle the packet again to make sure it gets an implicit ACK. */
bool isRepeated = p->hop_start > 0 && p->hop_start == p->hop_limit;
if (isRepeated) {
LOG_DEBUG("Repeated reliable tx");
if (!perhapsRebroadcast(p) && isToUs(p) && p->want_ack) {
sendAckNak(meshtastic_Routing_Error_NONE, getFrom(p), p->id, p->channel, 0);
}
// Check if it's still in the Tx queue, if not, we have to relay it again
if (!findInTxQueue(p->from, p->id))
perhapsRebroadcast(p);
} else {
perhapsCancelDupe(p);
}
return true;
@@ -47,13 +40,25 @@ bool FloodingRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
return Router::shouldFilterReceived(p);
}
void FloodingRouter::perhapsCancelDupe(const meshtastic_MeshPacket *p)
{
printPacket("Ignore dupe incoming msg", p);
rxDupe++;
if (config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER &&
config.device.role != meshtastic_Config_DeviceConfig_Role_REPEATER) {
// cancel rebroadcast of this message *if* there was already one, unless we're a router/repeater!
if (Router::cancelSending(p->from, p->id))
txRelayCanceled++;
}
}
bool FloodingRouter::isRebroadcaster()
{
return config.device.role != meshtastic_Config_DeviceConfig_Role_CLIENT_MUTE &&
config.device.rebroadcast_mode != meshtastic_Config_DeviceConfig_RebroadcastMode_NONE;
}
bool FloodingRouter::perhapsRebroadcast(const meshtastic_MeshPacket *p)
void FloodingRouter::perhapsRebroadcast(const meshtastic_MeshPacket *p)
{
if (!isToUs(p) && (p->hop_limit > 0) && !isFromUs(p)) {
if (p->id != 0) {
@@ -73,8 +78,6 @@ bool FloodingRouter::perhapsRebroadcast(const meshtastic_MeshPacket *p)
// Note: we are careful to resend using the original senders node id
// We are careful not to call our hooked version of send() - because we don't want to check this again
Router::send(tosend);
return true;
} else {
LOG_DEBUG("No rebroadcast: Role = CLIENT_MUTE or Rebroadcast Mode = NONE");
}
@@ -82,8 +85,6 @@ bool FloodingRouter::perhapsRebroadcast(const meshtastic_MeshPacket *p)
LOG_DEBUG("Ignore 0 id broadcast");
}
}
return false;
}
void FloodingRouter::sniffReceived(const meshtastic_MeshPacket *p, const meshtastic_Routing *c)