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Hide unknown hop count, remove hops_to and toHex from transport filter hot path

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This commit is contained in:
DeFiDude
2026-03-28 21:18:08 -06:00
parent 9e4217085a
commit 2c73a10c80
2 changed files with 9 additions and 10 deletions
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17
src/reticulum/ReticulumManager.cpp
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@@ -4,6 +4,7 @@
#include <LittleFS.h>
#include <Preferences.h>
#include <map>
#include <unordered_map>
#include <string>
bool LittleFSFileSystem::init() { return true; }
@@ -116,19 +117,17 @@ bool ReticulumManager::begin(SX1262* radio, FlashStore* flash) {
if (++count > maxRate) return false;
// Skip re-validation of known paths (saves ~100ms Ed25519 per announce)
// Allow through if hop count improved, or once per 5 min for name/ratchet updates
// Allow through once per 5 min for name/ratchet updates.
// Uses raw hash bytes as key (avoids expensive toHex + hops_to per packet).
if (RNS::Transport::has_path(packet.destination_hash())) {
static std::map<std::string, unsigned long> lastRevalidate;
std::string destHex = packet.destination_hash().toHex();
static std::unordered_map<std::string, unsigned long> lastRevalidate;
std::string key((const char*)packet.destination_hash().data(),
packet.destination_hash().size());
uint8_t existingHops = RNS::Transport::hops_to(packet.destination_hash());
if (packet.hops() < existingHops) return true; // Better path, allow
auto it = lastRevalidate.find(destHex);
auto it = lastRevalidate.find(key);
if (it != lastRevalidate.end() && (now - it->second) < 300000) return false;
lastRevalidate[destHex] = now;
lastRevalidate[key] = now;
// Cap map size to prevent unbounded growth
if (lastRevalidate.size() > 300) lastRevalidate.clear();
}

2
src/ui/screens/LvNodesScreen.cpp
View File

@@ -297,7 +297,7 @@ void LvNodesScreen::syncVisibleRows() {
// Hops + age + optional RSSI (dev mode)
unsigned long ageSec = (millis() - node.lastSeen) / 1000;
char infoBuf[32];
if (node.hops < 128) {
if (node.hops > 0 && node.hops < 128) {
if (ageSec < 60) snprintf(infoBuf, sizeof(infoBuf), "%dhop %lus", node.hops, ageSec);
else snprintf(infoBuf, sizeof(infoBuf), "%dhop %lum", node.hops, ageSec / 60);
} else {