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package main

import (
	"context"
	"log"
	"net"

	"github.com/gorilla/websocket"
)

type ClientHandler struct {
	SocketListenOn  string
	WebsocketServer string
	Context         context.Context
}

func (h *ClientHandler) ServiceConnection(proxyconn net.Conn) {
	defer proxyconn.Close()

	wsconn, _, err := websocket.DefaultDialer.Dial(h.WebsocketServer, nil)
	if err != nil {
		log.Println(err)
		return
	}
	defer wsconn.Close()

	log.Println("Connected to server")

	errc := make(chan error)
	ws := &WebsocketReadWriter{wsconn}

	go serviceBoth(proxyconn, ws, errc)
	go serviceBoth(ws, proxyconn, errc)

	<-errc
	log.Println("Closing client connection")
}

func (h *ClientHandler) Run() {
	listener, err := net.Listen("tcp", h.SocketListenOn)
	if err != nil {
		log.Printf("error: Run: %s", err)
		return
	}

	for {
		conn, err := listener.Accept()
		if err != nil {
			log.Printf("error: Run: %s", err)
			continue
		}
		go h.ServiceConnection(conn)
	}
}