package main import ( "log" "net" ) type serverTcpListener struct { p *program netl *net.TCPListener } func newServerTcpListener(p *program) (*serverTcpListener, error) { netl, err := net.ListenTCP("tcp", &net.TCPAddr{ Port: p.rtspPort, }) if err != nil { return nil, err } s := &serverTcpListener{ p: p, netl: netl, } s.log("opened on :%d", p.rtspPort) return s, nil } func (l *serverTcpListener) log(format string, args ...interface{}) { log.Printf("[TCP listener] "+format, args...) } func (l *serverTcpListener) run() { for { nconn, err := l.netl.AcceptTCP() if err != nil { break } rsc := newServerClient(l.p, nconn) go rsc.run() } }