server.go

package main

import (
	"fmt"
	"net"
	"os"
	"os/exec"
)

func handleConnection(c net.Conn) {
	fmt.Printf("Serving %s\n", c.RemoteAddr().String())
	buf := make([]byte, 1512)
	for {
		nr, err := c.Read(buf)
		if err != nil {
			return
		}
		//           defer c.Close()
		data := buf[0:nr]
                fmt.Printf("Received: %v\n", string(data))
                inpString := "\""+string(data)+"\""
				cmd := exec.Command("python", "../speech_transcription/temp.py", "-i", inpString)
				fmt.Printf("Running ")
                fmt.Println(cmd.Args)
		out, err := cmd.CombinedOutput()
		if err != nil {
		        fmt.Println(err)
		} else {
                        fmt.Println("Sending: "+string(out))
                        c.Write([]byte(string(out)))
                }
	}
}

func main() {
	arguments := os.Args
	if len(arguments) == 1 {
		fmt.Println("Please provide a port number!")
		return
	}

	PORT := ":" + arguments[1]
	l, err := net.Listen("tcp4", PORT)
	if err != nil {
		fmt.Println(err)
		return
	}
	defer l.Close()
	// rand.Seed(time.Now().Unix())

	for {
		c, err := l.Accept()
		if err != nil {
			fmt.Println(err)
			return
		}
		go handleConnection(c)
	}
}