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Update examples/simple_room_server/MyMesh.cpp

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Fix pow() and rand() are calculated for every forwarded packet, but we only need it for flood advert. Also fixes 'paket' typo.

Co-authored-by: Wessel <wessel@weebl.me>
This commit is contained in:
mattzzw
2026-03-05 08:22:48 +01:00
committed by Matthias Wientapper
parent 69ee28491a
commit 7f3442c13e
1 changed files with 7 additions and 6 deletions
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13
examples/simple_room_server/MyMesh.cpp
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@@ -278,14 +278,15 @@ bool MyMesh::allowPacketForward(const mesh::Packet *packet) {
if (_prefs.disable_fwd) return false;
if (packet->isRouteFlood() && packet->getPathHashCount() >= _prefs.flood_max) return false;
// Limit flood advert paket forwarding using a probabilistic reduction defined by P(h) = 0.308^(hops-1)
// Limit flood advert packet forwarding using a probabilistic reduction defined by P(h) = base^(hops-1)
// https://github.com/meshcore-dev/MeshCore/issues/1223
double_t roll_dice = (double)rand() / RAND_MAX;
double_t forw_prob = pow(_prefs.flood_advert_base, packet->path_len - 1);
if (packet->getPayloadType() == PAYLOAD_TYPE_ADVERT && packet->isRouteFlood() && roll_dice > forw_prob)
return false;
if (packet->getPayloadType() == PAYLOAD_TYPE_ADVERT && packet->isRouteFlood()) {
double roll_dice = (double)rand() / RAND_MAX;
double forw_prob = pow(_prefs.flood_advert_base, packet->path_len - 1);
if (roll_dice > forw_prob)
return false;
}
// all other packets
return true;
}