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package main
import (
"bytes"
"context"
"encoding/binary"
"fmt"
"log"
"os"
"os/signal"
"syscall"
"github.com/bendahl/uinput"
"github.com/mafredri/magic4linux/m4p"
)
const (
broadcastPort = 42830
subscriptionPort = 42831
)
func main() {
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer cancel()
if err := run(ctx); err != nil {
panic(err)
}
}
func run(ctx context.Context) error {
kbd, err := uinput.CreateKeyboard("/dev/uinput", []byte("magic4linux-keyboard"))
if err != nil {
return err
}
defer kbd.Close()
mouse, err := uinput.CreateMouse("/dev/uinput", []byte("magic4linux-mouse"))
if err != nil {
return err
}
defer mouse.Close()
tp, err := uinput.CreateTouchPad("/dev/uinput", []byte("magic4linux-touchpad"), 0, 1920, 0, 1080)
if err != nil {
return err
}
defer tp.Close()
d, err := m4p.NewDiscoverer(broadcastPort)
if err != nil {
return err
}
defer d.Close()
for {
select {
case <-ctx.Done():
return nil
case dev := <-d.NextDevice():
err = connect(ctx, dev, kbd, mouse, tp)
if err != nil {
log.Printf("connect: %v", err)
}
}
}
}
func connect(ctx context.Context, dev m4p.DeviceInfo, kbd uinput.Keyboard, mouse uinput.Mouse, tp uinput.TouchPad) error {
addr := fmt.Sprintf("%s:%d", dev.IPAddr, dev.Port)
log.Printf("connect: connecting to: %s", addr)
client, err := m4p.Dial(ctx, addr)
if err != nil {
return err
}
defer client.Close()
for {
m, err := client.Recv(ctx)
if err != nil {
return err
}
switch m.Type {
case m4p.InputMessage:
log.Printf("connect: got %s: %v", m.Type, m.Input)
// PoC Kodi keyboard mapping.
key := m.Input.Parameters.KeyCode
switch key {
case m4p.KeyWheelPressed:
key = uinput.KeyEnter
case m4p.KeyChannelUp:
key = uinput.KeyPageup
case m4p.KeyChannelDown:
key = uinput.KeyPagedown
case m4p.KeyLeft:
key = uinput.KeyLeft
case m4p.KeyUp:
key = uinput.KeyUp
case m4p.KeyRight:
key = uinput.KeyRight
case m4p.KeyDown:
key = uinput.KeyDown
case m4p.Key0:
key = uinput.Key0
case m4p.Key1:
key = uinput.Key1
case m4p.Key2:
key = uinput.Key2
case m4p.Key3:
key = uinput.Key3
case m4p.Key4:
key = uinput.Key4
case m4p.Key5:
key = uinput.Key5
case m4p.Key6:
key = uinput.Key6
case m4p.Key7:
key = uinput.Key7
case m4p.Key8:
key = uinput.Key8
case m4p.Key9:
key = uinput.Key9
case m4p.KeyRed:
key = uinput.KeyStop
case m4p.KeyGreen:
key = uinput.KeyPlaypause
case m4p.KeyYellow:
key = uinput.KeyZ
case m4p.KeyBlue:
key = uinput.KeyC
case m4p.KeyBack:
key = uinput.KeyBackspace
}
if m.Input.Parameters.IsDown {
kbd.KeyDown(key)
} else {
kbd.KeyUp(key)
}
case m4p.RemoteUpdateMessage:
// log.Printf("connect: got %s: %s", m.Type, hex.EncodeToString(m.RemoteUpdate.Payload))
r := bytes.NewReader(m.RemoteUpdate.Payload)
var returnValue, deviceID uint8
var coordinate [2]int32
var gyroscope, acceleration [3]float32
var quaternion [4]float32
for _, fn := range []func() error{
func() error { return binary.Read(r, binary.LittleEndian, &returnValue) },
func() error { return binary.Read(r, binary.LittleEndian, &deviceID) },
func() error { return binary.Read(r, binary.LittleEndian, coordinate[:]) },
func() error { return binary.Read(r, binary.LittleEndian, gyroscope[:]) },
func() error { return binary.Read(r, binary.LittleEndian, acceleration[:]) },
func() error { return binary.Read(r, binary.LittleEndian, quaternion[:]) },
} {
if err := fn(); err != nil {
log.Printf("connect: %s decode failed: %v", m.Type, err)
break
}
}
x := coordinate[0]
y := coordinate[1]
// fmt.Println("Move mouse", x, y)
tp.MoveTo(x, y)
// log.Printf("connect: %d %d %#v %#v %#v %#v", returnValue, deviceID, coordinate, gyroscope, acceleration, quaternion)
case m4p.MouseMessage:
switch m.Mouse.Type {
case "mousedown":
tp.LeftPress()
case "mouseup":
tp.LeftRelease()
}
case m4p.WheelMessage:
mouse.Wheel(false, m.Wheel.Delta)
default:
}
}
}
|
