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Add logic to nodeDB to prefer evicting boring nodes (#4441)

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Jonathan Bennett 2024-08-12 06:43:54 -05:00 committed by GitHub
parent 48eee747da
commit bee959150b
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GPG Key ID: B5690EEEBB952194
1 changed files with 14 additions and 1 deletions
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15
src/mesh/NodeDB.cpp
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@ -1115,11 +1115,24 @@ meshtastic_NodeInfoLite *NodeDB::getOrCreateMeshNode(NodeNum n)
// look for oldest node and erase it
uint32_t oldest = UINT32_MAX;
int oldestIndex = -1;
int oldestIndex = -1;
int oldestBoringIndex = -1;
for (int i = 1; i < numMeshNodes; i++) {
// Simply the oldest non-favorite node
if (!meshNodes->at(i).is_favorite && meshNodes->at(i).last_heard < oldest) {
oldest = meshNodes->at(i).last_heard;
oldestIndex = i;
}
// The oldest "boring" node
if (!meshNodes->at(i).is_favorite && meshNodes->at(i).user.public_key.size == 0 &&
meshNodes->at(i).last_heard < oldestBoring) {
oldestBoring = meshNodes->at(i).last_heard;
oldestBoringIndex = i;
}
}
// if we found a "boring" node, evict it
if (oldestBoringIndex != -1) {
oldestIndex = oldestBoringIndex;
}
// Shove the remaining nodes down the chain
for (int i = oldestIndex; i < numMeshNodes - 1; i++) {
@ -1160,4 +1173,4 @@ void recordCriticalError(meshtastic_CriticalErrorCode code, uint32_t address, co
LOG_ERROR("A critical failure occurred, portduino is exiting...");
exit(2);
#endif
}
}