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package httpserver
import (
"fmt"
"golang.org/x/net/websocket"
)
type WebSocketChannel struct {
ws *websocket.Conn
send chan string
}
func NewWebSocketChannel(ws *websocket.Conn) *WebSocketChannel {
wsChan := &WebSocketChannel{
ws: ws,
send: make(chan string, 1024),
}
go wsChan.writer()
return wsChan
}
func (c *WebSocketChannel) Write(update string) {
c.send <- update
}
func (c *WebSocketChannel) KeepAlive() {
buf := make([]byte, 1)
for {
if _, err := c.ws.Read(buf); err != nil {
break
}
_, _ = fmt.Fprint(c.ws, "_")
}
}
func (c *WebSocketChannel) Close() {
close(c.send)
_ = c.ws.Close()
}
func (c *WebSocketChannel) writer() {
for pkt := range c.send {
if _, err := fmt.Fprint(c.ws, pkt); err != nil {
break
}
}
}