Add very basic and dirty iperf test

tests/iperf/dante.conf

@@ -0,0 +1,24 @@
+# logoutput: /var/log/socks.log
+internal: 10.0.0.3
+external: 10.0.0.3
+clientmethod: none
+socksmethod: none
+user.privileged: root
+user.notprivileged: nobody
+
+client pass {
+        from: 0/0 to: 0/0
+        log: error connect disconnect
+}
+
+socks pass {
+        from: 0/0 to: 0/0
+        command: bind connect udpassociate
+        log: error connect disconnect
+        socksmethod: none
+}
+
+socks pass {
+    from: 0.0.0.0/0 to: 0.0.0.0/0
+    command: bindreply udpreply
+}

tests/iperf/test.sh

@@ -0,0 +1,39 @@
+netns="test"
+dante="sockd"
+tun2proxy="../../target/release/tun2proxy"
+
+ip netns add "$netns"
+
+ip link add veth0 type veth peer name veth0 netns "$netns"
+
+# Configure veth0 in default ns
+ip addr add 10.0.0.2/24 dev veth0
+ip link set dev veth0 up
+
+# Configure veth0 in child ns
+ip netns exec "$netns" ip addr add 10.0.0.3/24 dev veth0
+ip netns exec "$netns" ip addr add 10.0.0.4/24 dev veth0
+ip netns exec "$netns" ip link set dev veth0 up
+
+# Configure lo interface in child ns
+ip netns exec "$netns" ip addr add 127.0.0.1/8 dev lo
+ip netns exec "$netns" ip link set dev lo up
+
+echo "Starting Dante in background ..."
+ip netns exec "$netns" "$dante" -f dante.conf &
+
+# Start iperf server in netns
+ip netns exec "$netns" iperf -s -B 10.0.0.4 &
+
+sleep 1
+
+# Prepare tun2proxy
+ip tuntap add name tun0 mode tun
+ip link set tun0 up
+ip route add 10.0.0.4 dev tun0
+"$tun2proxy" --proxy socks5://10.0.0.3:1080 &
+
+# Run iperf client through tun2proxy
+iperf -c 10.0.0.4
+
+iperf -c 10.0.0.4 -R