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Merge remote-tracking branch 'upstream/dev' into 2026/remote-lna

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João Brázio 2026-03-05 17:21:38 +00:00
commit 8df87d5609
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37 changed files with 308 additions and 73 deletions
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31
examples/simple_repeater/MyMesh.cpp
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@ -396,6 +396,23 @@ File MyMesh::openAppend(const char *fname) {
#endif
}
static uint8_t max_loop_minimal[] = { 0, /* 1-byte */ 4, /* 2-byte */ 2, /* 3-byte */ 1 };
static uint8_t max_loop_moderate[] = { 0, /* 1-byte */ 2, /* 2-byte */ 1, /* 3-byte */ 1 };
static uint8_t max_loop_strict[] = { 0, /* 1-byte */ 1, /* 2-byte */ 1, /* 3-byte */ 1 };
bool MyMesh::isLooped(const mesh::Packet* packet, const uint8_t max_counters[]) {
uint8_t hash_size = packet->getPathHashSize();
uint8_t hash_count = packet->getPathHashCount();
uint8_t n = 0;
const uint8_t* path = packet->path;
while (hash_count > 0) { // count how many times this node is already in the path
if (self_id.isHashMatch(path, hash_size)) n++;
hash_count--;
path += hash_size;
}
return n >= max_counters[hash_size];
}
bool MyMesh::allowPacketForward(const mesh::Packet *packet) {
if (_prefs.disable_fwd) return false;
if (packet->isRouteFlood() && packet->getPathHashCount() >= _prefs.flood_max) return false;
@ -403,6 +420,20 @@ bool MyMesh::allowPacketForward(const mesh::Packet *packet) {
MESH_DEBUG_PRINTLN("allowPacketForward: unknown transport code, or wildcard not allowed for FLOOD packet");
return false;
}
if (packet->isRouteFlood() && _prefs.loop_detect != LOOP_DETECT_OFF) {
const uint8_t* maximums;
if (_prefs.loop_detect == LOOP_DETECT_MINIMAL) {
maximums = max_loop_minimal;
} else if (_prefs.loop_detect == LOOP_DETECT_MODERATE) {
maximums = max_loop_moderate;
} else {
maximums = max_loop_strict;
}
if (isLooped(packet, maximums)) {
MESH_DEBUG_PRINTLN("allowPacketForward: FLOOD packet loop detected!");
return false;
}
}
return true;
}