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drop duplicate hops

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This commit is contained in:
callebtc
2025-09-19 22:39:01 +02:00
parent f2dd90e77e
commit b60c0da1da
1 changed files with 5 additions and 0 deletions
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app/src/main/java/com/bitchat/android/mesh/PacketRelayManager.kt
+5
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@@ -68,6 +68,11 @@ class PacketRelayManager(private val myPeerID: String) {
// Source-based routing: if route is set and includes us, try targeted next-hop forwarding // Source-based routing: if route is set and includes us, try targeted next-hop forwarding
val route = relayPacket.route val route = relayPacket.route
if (!route.isNullOrEmpty()) { if (!route.isNullOrEmpty()) {
// Check for duplicate hops to prevent routing loops
if (route.map { it.toHexString() }.toSet().size < route.size) {
Log.w(TAG, "Packet with duplicate hops dropped")
return
}
val myIdBytes = hexStringToPeerBytes(myPeerID) val myIdBytes = hexStringToPeerBytes(myPeerID)
val index = route.indexOfFirst { it.contentEquals(myIdBytes) } val index = route.indexOfFirst { it.contentEquals(myIdBytes) }
if (index >= 0) { if (index >= 0) {