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worker.go
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worker.go
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package worker
import (
"image"
"image/jpeg"
"os"
"github.com/gorilla/websocket"
"github.com/lwch/logging"
"github.com/lwch/natpass/code/client/rule/vnc/vncnetwork"
"github.com/lwch/rdesktop"
"github.com/lwch/runtime"
"google.golang.org/protobuf/proto"
)
// Worker worker object
type Worker struct {
cli *rdesktop.Client
}
// NewWorker create worker
func NewWorker(showCursor bool) *Worker {
worker := &Worker{}
cli, err := rdesktop.New()
if err != nil {
logging.Error("create rdesktop: %v", err)
return nil
}
worker.cli = cli
return worker
}
// Do handle worker
func (worker *Worker) Do(conn *websocket.Conn) {
defer conn.Close()
for {
_, data, err := conn.ReadMessage()
runtime.Assert(err)
var msg vncnetwork.VncMsg
err = proto.Unmarshal(data, &msg)
if err != nil {
logging.Error("proto unmarshal: %v", err)
continue
}
switch msg.GetXType() {
case vncnetwork.VncMsg_capture_req:
data := worker.runCapture()
// if data.Ok {
// dumpImage(data.Data, int(data.Width), int(data.Height))
// }
if !data.Ok {
logging.Error("capture: %s", data.Msg)
}
msg.XType = vncnetwork.VncMsg_capture_data
msg.Payload = &vncnetwork.VncMsg_Data{
Data: &data,
}
enc, _ := proto.Marshal(&msg)
conn.WriteMessage(websocket.BinaryMessage, enc)
case vncnetwork.VncMsg_mouse_event:
worker.runMouse(msg.GetMouse())
case vncnetwork.VncMsg_keyboard_event:
worker.runKeyboard(msg.GetKeyboard())
case vncnetwork.VncMsg_set_cursor:
worker.cli.ShowCursor(msg.GetShowCursor())
case vncnetwork.VncMsg_scroll_event:
worker.runScroll(msg.GetScroll())
case vncnetwork.VncMsg_clipboard_event:
worker.runClipboard(conn, msg.GetClipboard())
}
}
}
// TestCapture test capture
func (worker *Worker) TestCapture() {
msg := worker.runCapture()
dumpImage(msg.Data, int(msg.Width), int(msg.Height))
}
func dumpImage(data []byte, width, height int) {
f, err := os.Create(`C:\Users\lwch\Pictures\debug.jpeg`)
if err != nil {
logging.Error("debug: %v", err)
return
}
defer f.Close()
img := image.NewRGBA(image.Rect(0, 0, width, height))
copy(img.Pix, data)
err = jpeg.Encode(f, img, nil)
if err != nil {
logging.Error("encode: %v", err)
return
}
}