liquidsoap controller so far

main.go

package main

import (
	"bufio"
	"fmt"
	"log"
	"net/http"
	"os/exec"
)

var cmd *exec.Cmd
var kill = make(chan bool)

func startProcess(w http.ResponseWriter, r *http.Request) {
	cmd = exec.Command("liquidsoap", "test.liq")
	stdout, err := cmd.StdoutPipe()
	if err != nil {
		fmt.Fprint(w, err)
		log.Fatal(err)
	}

	go runCmd()

	in := bufio.NewScanner(stdout)

	for in.Scan() {
		fmt.Fprint(w, in.Text())
	}
	if err := in.Err(); err != nil {
		fmt.Fprint(w, "hahaha no I quit.")
	}
}

func runCmd() {
	cmd.Start()
	<-kill
	cmd.Process.Kill()
}

func killProcess(w http.ResponseWriter, r *http.Request) {
	kill <- true
}

func main() {
	http.HandleFunc("/start", startProcess)
	http.HandleFunc("/stop", killProcess)
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "test.html") })
	http.ListenAndServe(":8080", nil)
}