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conn.go
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/
conn.go
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// Supports Windows, Linux, Mac, and Raspberry Pi
// Going to add SSL
package main
import (
"log"
"net/http"
"github.com/gorilla/websocket"
)
type connection struct {
// The websocket connection.
ws *websocket.Conn
// Buffered channel of outbound messages.
send chan []byte
}
func (c *connection) reader() {
for {
_, message, err := c.ws.ReadMessage()
if err != nil {
break
}
h.broadcast <- message
}
c.ws.Close()
}
func (c *connection) writer() {
for message := range c.send {
err := c.ws.WriteMessage(websocket.TextMessage, message)
if err != nil {
break
}
}
c.ws.Close()
}
func wsHandler(w http.ResponseWriter, r *http.Request) {
log.Print("Started a new websocket handler")
ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)
if _, ok := err.(websocket.HandshakeError); ok {
http.Error(w, "Not a websocket handshake", 400)
return
} else if err != nil {
return
}
//c := &connection{send: make(chan []byte, 256), ws: ws}
c := &connection{send: make(chan []byte, 256*10), ws: ws}
h.register <- c
defer func() { h.unregister <- c }()
go c.writer()
c.reader()
}