feat: try to resolve default gateway interface on tun inbound traffic…

… to avoid route loop (#458)
Watfaq · Jun 17, 2024 · 2efee24 · 2efee24
1 parent eabc0f3
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diff --git a/Cargo.lock b/Cargo.lock
diff --git a/bench/README.md b/bench/README.md
@@ -0,0 +1,70 @@
+## To get a flamegraph
+
+```
+cargo flamegraph --root -- -d ./clash/tests/data/config/ -f rules.yaml
+```
+
+_adjust args on your own_
+
+
+## An example
+
+### Environment
+
+* client - Debian 12.5 running inside Hyper-V on i9-9900KF and 64GB mem
+* server - DS1821+
+* connection - 10 Gig cabled 
+
+### Direct connect
+
+```
+~ » iperf3 -c dsm                                                                                        
+Connecting to host dsm, port 5201
+[  5] local 10.0.0.14 port 40148 connected to 10.0.0.11 port 5201
+[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
+[  5]   0.00-1.00   sec  1.03 GBytes  8.87 Gbits/sec    0   3.09 MBytes
+[  5]   1.00-2.00   sec  1.05 GBytes  9.06 Gbits/sec    0   3.09 MBytes
+[  5]   2.00-3.00   sec  1.09 GBytes  9.37 Gbits/sec    0   3.09 MBytes
+[  5]   3.00-4.00   sec  1.04 GBytes  8.90 Gbits/sec    0   3.09 MBytes
+[  5]   4.00-5.00   sec  1.06 GBytes  9.07 Gbits/sec    0   3.09 MBytes
+[  5]   5.00-6.00   sec  1.04 GBytes  8.93 Gbits/sec    0   3.09 MBytes
+[  5]   6.00-7.00   sec  1.05 GBytes  9.00 Gbits/sec    0   3.09 MBytes
+[  5]   7.00-8.00   sec  1.08 GBytes  9.24 Gbits/sec    0   3.09 MBytes
+[  5]   8.00-9.00   sec  1.07 GBytes  9.15 Gbits/sec    0   3.09 MBytes
+[  5]   9.00-10.00  sec  1.05 GBytes  9.02 Gbits/sec    0   3.09 MBytes
+- - - - - - - - - - - - - - - - - - - - - - - - -
+[ ID] Interval           Transfer     Bitrate         Retr
+[  5]   0.00-10.00  sec  10.5 GBytes  9.06 Gbits/sec    0             sender
+[  5]   0.00-10.00  sec  10.5 GBytes  9.05 Gbits/sec                  receiver
+
+iperf Done.
+--------------
+```
+
+### Connect via tun
+
+
+```
+~ » iperf3 -c dsm                                                                                        
+Connecting to host dsm, port 5201
+[  5] local 10.0.0.14 port 41436 connected to 10.0.0.11 port 5201
+[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
+[  5]   0.00-1.00   sec   234 MBytes  1.96 Gbits/sec    1   47.1 KBytes
+[  5]   1.00-2.00   sec   235 MBytes  1.97 Gbits/sec    0   47.1 KBytes
+[  5]   2.00-3.00   sec   243 MBytes  2.04 Gbits/sec    0   47.1 KBytes
+[  5]   3.00-4.00   sec   239 MBytes  2.00 Gbits/sec    0   47.1 KBytes
+[  5]   4.00-5.00   sec   240 MBytes  2.02 Gbits/sec    0   47.1 KBytes
+[  5]   5.00-6.00   sec   238 MBytes  1.99 Gbits/sec    0   47.1 KBytes
+[  5]   6.00-7.00   sec   235 MBytes  1.97 Gbits/sec    0   47.1 KBytes
+[  5]   7.00-8.00   sec   233 MBytes  1.95 Gbits/sec    0   47.1 KBytes
+[  5]   8.00-9.00   sec   236 MBytes  1.98 Gbits/sec    0   47.1 KBytes
+[  5]   9.00-10.00  sec   241 MBytes  2.03 Gbits/sec    0   47.1 KBytes
+- - - - - - - - - - - - - - - - - - - - - - - - -
+[ ID] Interval           Transfer     Bitrate         Retr
+[  5]   0.00-10.00  sec  2.32 GBytes  1.99 Gbits/sec    1             sender
+[  5]   0.00-10.00  sec  2.32 GBytes  1.99 Gbits/sec                  receiver
+
+iperf Done.
+```
+
+There should be room for the performance improve.