package local_socket

import (
	"net"
	"os"
	"path/filepath"
)

// LocalSocket is a socket to communicate with other processes in the same box.
// LocalSocket satisfies io.Reader, io.Writer, net.Conn interfaces.
type LocalSocket struct {
	conn *net.UnixConn
}

// NewLocalSocket creates LocalSocket instance
func NewLocalSocket(pathName string) (*LocalSocket, error) {
	socketType := "unix" // SOCK_STREAM
	conn, err := net.DialUnix(socketType, nil, &net.UnixAddr{filepath.Join(os.TempDir(), pathName), socketType})
	if err != nil {
		return nil, err
	}
	return newLocalSocket(conn), nil
}

func newLocalSocket(conn *net.UnixConn) *LocalSocket {
	return &LocalSocket{
		conn: conn,
	}
}