不转发来源和目的相同的数据

2024-03-20 12:21:19 +08:00
parent 30b1e71aa1
commit 9badbe180c
1 changed files with 11 additions and 1 deletions
@@ -18,7 +18,7 @@ impl PacketHandler for TurnPacketHandler {
    fn handle(
        &self,
        mut net_packet: NetPacket<&mut [u8]>,
-        _route_key: RouteKey,
+        route_key: RouteKey,
        context: &Context,
        _current_device: &CurrentDeviceInfo,
    ) -> std::io::Result<()> {
@@ -27,6 +27,16 @@ impl PacketHandler for TurnPacketHandler {
        if ttl > 0 {
            let destination = net_packet.destination();
            if let Some(route) = context.route_table.route_one(&destination) {
+                if route.addr == route_key.addr {
+                    //防止环路
+                    log::warn!(
+                        "来源和目标相同 {:?},{},{}",
+                        route_key,
+                        net_packet.source(),
+                        net_packet.destination()
+                    );
+                    return Ok(());
+                }
                if route.metric <= ttl {
                    context.send_by_key(net_packet.buffer(), route.route_key())?;
                }