forked from walterwanderley/xk6-stomp
/
websocket.go
62 lines (55 loc) · 1.2 KB
/
websocket.go
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package stomp
import (
"context"
"io"
"log"
"net/url"
"time"
"github.com/gorilla/websocket"
)
type wsConn struct {
conn *websocket.Conn
}
func openWSConn(opts *Options, timeout time.Duration) (*wsConn, error) {
u := url.URL{
Scheme: opts.Protocol,
Host: opts.Addr,
Path: opts.Path,
RawQuery: opts.Query,
}
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
headers := make(map[string][]string)
for k, v := range opts.Headers {
headers[k] = []string{v}
}
dialer := *websocket.DefaultDialer
conn, resp, err := dialer.DialContext(ctx, u.String(), headers)
if err != nil {
if err == websocket.ErrBadHandshake {
b, _ := io.ReadAll(resp.Body)
defer resp.Body.Close()
log.Println("error: ", resp.StatusCode, string(b))
}
return nil, err
}
return &wsConn{conn}, nil
}
func (ws *wsConn) Read(p []byte) (int, error) {
_, m, err := ws.conn.ReadMessage()
if err != nil {
return 0, err
}
return copy(p, m), nil
}
func (ws *wsConn) Write(p []byte) (int, error) {
w, err := ws.conn.NextWriter(websocket.TextMessage)
if err != nil {
return 0, err
}
defer w.Close()
return w.Write(p)
}
func (w *wsConn) Close() error {
return w.conn.Close()
}