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Add sharedsock example (#1116)

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This commit is contained in:
Misha Bragin
2023-08-31 17:01:32 +02:00
committed by GitHub
parent 00dddb9458
commit d51dc4fd33
7 changed files with 97 additions and 6 deletions
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6
sharedsock/sock_linux.go
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@ -67,17 +67,17 @@ func Listen(port int, filter BPFFilter) (net.PacketConn, error) {
rawSock.router, err = netroute.New()
if err != nil {
return nil, fmt.Errorf("failed to create router: %rawSock", err)
return nil, fmt.Errorf("failed to create raw socket router: %v", err)
}
rawSock.conn4, err = socket.Socket(unix.AF_INET, unix.SOCK_RAW, unix.IPPROTO_UDP, "raw_udp4", nil)
if err != nil {
return nil, fmt.Errorf("socket.Socket for ipv4 failed with: %rawSock", err)
return nil, fmt.Errorf("failed to create ipv4 raw socket: %v", err)
}
rawSock.conn6, err = socket.Socket(unix.AF_INET6, unix.SOCK_RAW, unix.IPPROTO_UDP, "raw_udp6", nil)
if err != nil {
log.Errorf("socket.Socket for ipv6 failed with: %rawSock", err)
log.Errorf("failed to create ipv6 raw socket: %v", err)
}
ipv4Instructions, ipv6Instructions, err := filter.GetInstructions(uint32(rawSock.port))