Listener/main.go

package main

import (
	"errors"
	"flag"
	"log"
	"net/http"
	"os"
)

func main() {

	var pool Pool
	pool.logger = log.New(os.Stdout, "[DCS] ", log.Ldate|log.Ltime)

	var flagTCP = flag.String("tcp",":12345","Listen [address]:port for the TCP listener.")
	var flagHTTP = flag.String("http",":8888","Listen [addres]:port for the HTTP listener.")
	flag.Parse()
	pool.tcp_port = *flagTCP
	pool.http_port = *flagHTTP

	http.HandleFunc("/", pool.getRoot)

	pool.logger.Println("Starting TCP listener on",pool.tcp_port)
	go pool.tcplistener()

	pool.logger.Println("Starting HTTP listener on",pool.http_port)
	err := http.ListenAndServe(pool.http_port, nil)
	if errors.Is(err, http.ErrServerClosed) {
		pool.logger.Println("server closed.")
	} else if err != nil {
		pool.logger.Printf("error starting server: %s\n", err)
		os.Exit(1)
	}
}