/
main.go
49 lines (39 loc) · 948 Bytes
/
main.go
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package main
import (
"log"
"syscall"
)
func main() {
fd, err := syscall.Socket(syscall.AF_INET, syscall.SOCK_STREAM|syscall.SOCK_CLOEXEC|syscall.SOCK_NONBLOCK, syscall.IPPROTO_TCP)
if err != nil {
log.Fatalln("Cannot create socket:", err)
}
err = syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
if err != nil {
log.Fatalln("Cannot setsockopt:", err)
}
sa := &syscall.SockaddrInet4{
Port: 12345, // Listen on this port number
Addr: [4]byte{}, // Listen to all IPs
}
err = syscall.Bind(fd, sa)
if err != nil {
log.Fatalln("Cannot bind to socket:", err)
}
err = syscall.Listen(fd, 10)
if err != nil {
log.Fatalln("Cannot listen to socket:", err)
}
// TODO select
/*
go func() {
x, raddr, err := syscall.Accept(fd)
if err != nil {
log.Fatalln("Cannot listen to socket:", err)
}
log.Printf("received:")
log.Printf("%#v", raddr)
log.Printf("%#v", x)
}()
*/
}