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ginuerzh / gost

GO Simple Tunnel - a simple tunnel written in golang
MIT License
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ignore linux error: File exists while add same route twice #747

Closed wencaiwulue closed 2 years ago

wencaiwulue commented 2 years ago 
naison@naison-virtual-machine:~$ sudo ip route add 10.10.0.0/16 dev tun0
[sudo] password for naison: 
naison@naison-virtual-machine:~$ sudo ip route add 10.10.0.0/16 dev tun0
RTNETLINK answers: File exists
naison@naison-virtual-machine:~$

Linux如果重复添加相同路由，会报错已经存在，window和macOS不会报这样的错误。因此这里加上忽略已经存在的路由。

2021/08/21 11:19:21 tuntap_linux.go:40: [tun] ip link set dev tun0 mtu 1350
2021/08/21 11:19:21 tuntap_linux.go:47: [tun] ip address add 223.254.254.2/24 dev tun0
2021/08/21 11:19:21 tuntap_linux.go:54: [tun] ip link set dev tun0 up
2021/08/21 11:19:21 tuntap_linux.go:151: [tun] ip route add 10.10.0.0/16 dev tun0
2021/08/21 11:19:21 main.go:88: ip route add 10.10.0.0/16 dev tun0: file exists