next-terminal/server/api/guacamole_handler.go
2022-10-23 20:05:13 +08:00

54 lines
975 B
Go

package api
import (
"context"
"next-terminal/server/common/guacamole"
"github.com/gorilla/websocket"
)
type GuacamoleHandler struct {
ws *websocket.Conn
tunnel *guacamole.Tunnel
ctx context.Context
cancel context.CancelFunc
}
func NewGuacamoleHandler(ws *websocket.Conn, tunnel *guacamole.Tunnel) *GuacamoleHandler {
ctx, cancel := context.WithCancel(context.Background())
return &GuacamoleHandler{
ws: ws,
tunnel: tunnel,
ctx: ctx,
cancel: cancel,
}
}
func (r GuacamoleHandler) Start() {
go func() {
for {
select {
case <-r.ctx.Done():
return
default:
instruction, err := r.tunnel.Read()
if err != nil {
guacamole.Disconnect(r.ws, TunnelClosed, "远程连接已关闭")
return
}
if len(instruction) == 0 {
continue
}
err = r.ws.WriteMessage(websocket.TextMessage, instruction)
if err != nil {
return
}
}
}
}()
}
func (r GuacamoleHandler) Stop() {
r.cancel()
}