// This example demonstrates a trivial client.
func ExampleDial() {
origin := "http://localhost/"
url := "ws://localhost:12345/ws"
ws, err := websocket.Dial(url, "", origin)
if err != nil {
log.Fatal(err)
}
if _, err := ws.Write([]byte("hello, world!\n")); err != nil {
log.Fatal(err)
}
var msg = make([]byte, 512)
var n int
if n, err = ws.Read(msg); err != nil {
log.Fatal(err)
}
fmt.Printf("Received: %s.\n", msg[:n])
}
func dialWebsocket(proto string, u *url.URL) (MsgConn, error) {
ws := &wsConn{}
switch proto {
case ProtocolJSON:
ws.codec = websocket.JSON
case ProtocolMsgPack:
ws.codec = msgpackCodec
default:
return nil, errors.New(`invalid protocol "` + proto + `"`)
}
conn, err := websocket.Dial(u.String(), "", "https://"+u.Host)
if err != nil {
return nil, err
}
ws.conn = conn
return ws, nil
}