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package proxy
import (
"fmt"
"github.com/gorilla/websocket"
)
type WebsocketReadWriter struct {
W *websocket.Conn
}
func (w *WebsocketReadWriter) Read(p []byte) (int, error) {
t, m, err := w.W.ReadMessage()
if err != nil {
return 0, fmt.Errorf("error reading websocket: %w", err)
}
if t != websocket.BinaryMessage {
return 0, fmt.Errorf("error reading websocket: only binary messages are supported")
}
if cap(p) < len(m) {
return 0, fmt.Errorf("error reading websocket: outputbuffer too short for input")
}
if i := copy(p, m); i != len(m) {
return 0, fmt.Errorf("error reading websocket: copy failed %d of %d", i, len(m))
}
return len(m), nil
}
func (w *WebsocketReadWriter) Write(p []byte) (int, error) {
if err := w.W.WriteMessage(websocket.BinaryMessage, p); err != nil {
return 0, fmt.Errorf("error writing websocket: %w", err)
}
return len(p), nil
}
func (w *WebsocketReadWriter) Close() error {
return w.W.Close()
}
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