dissertation-2-code/tcp/listener.go

package tcp

import (
	"log"
	"mpbl3p/proxy"
	"net"
)

func NewListener(p *proxy.Proxy, local string, v func() proxy.MacVerifier, g func() proxy.MacGenerator) error {
	laddr, err := net.ResolveTCPAddr("tcp", local)
	if err != nil {
		return err
	}

	listener, err := net.ListenTCP("tcp", laddr)
	if err != nil {
		return err
	}

	go func() {
		for {
			conn, err := listener.AcceptTCP()
			if err != nil {
				panic(err)
			}

			err = conn.SetWriteBuffer(0)
			if err != nil {
				panic(err)
			}

			f := Flow{conn: conn, isAlive: true}

			log.Printf("received new tcp connection: %v\n", f)

			p.AddConsumer(&f, g())
			p.AddProducer(&f, v())
		}
	}()

	return nil
}