x/internal/util/ws/ws.go
2023-11-02 20:52:33 +08:00

66 lines
1.1 KiB
Go

package ws
import (
"net"
"sync"
"time"
"github.com/gorilla/websocket"
)
type WebsocketConn interface {
net.Conn
WriteMessage(int, []byte) error
ReadMessage() (int, []byte, error)
}
type websocketConn struct {
*websocket.Conn
rb []byte
mux sync.Mutex
}
func Conn(conn *websocket.Conn) WebsocketConn {
return &websocketConn{
Conn: conn,
}
}
func (c *websocketConn) Read(b []byte) (n int, err error) {
if len(c.rb) == 0 {
_, c.rb, err = c.Conn.ReadMessage()
}
n = copy(b, c.rb)
c.rb = c.rb[n:]
return
}
func (c *websocketConn) Write(b []byte) (n int, err error) {
err = c.WriteMessage(websocket.BinaryMessage, b)
n = len(b)
return
}
func (c *websocketConn) WriteMessage(messageType int, data []byte) error {
c.mux.Lock()
defer c.mux.Unlock()
return c.Conn.WriteMessage(messageType, data)
}
func (c *websocketConn) SetDeadline(t time.Time) error {
c.mux.Lock()
defer c.mux.Unlock()
if err := c.SetReadDeadline(t); err != nil {
return err
}
return c.SetWriteDeadline(t)
}
func (c *websocketConn) SetWriteDeadline(t time.Time) error {
c.mux.Lock()
defer c.mux.Unlock()
return c.Conn.SetWriteDeadline(t)
}