client.go 1.5 KB

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  1. package rest_websocket
  2. import (
  3. "io"
  4. "log"
  5. "time"
  6. "github.com/gorilla/websocket"
  7. )
  8. func NewClient(addr string) (*Client, error) {
  9. conn, _, err := websocket.DefaultDialer.Dial(addr, nil)
  10. if err != nil {
  11. return nil, err
  12. }
  13. cl := &Client{
  14. conn: conn,
  15. }
  16. go cl.work()
  17. return cl, nil
  18. }
  19. type Client struct {
  20. conn *websocket.Conn
  21. messagesIncoming map[int64]*Message
  22. }
  23. func (s *Client) SendMessage(mes *Message) (err error) {
  24. var writer io.WriteCloser
  25. if writer, err = s.conn.NextWriter(websocket.BinaryMessage); err != nil {
  26. return
  27. }
  28. err = mes.Write(writer)
  29. writer.Close()
  30. return
  31. }
  32. func (s *Client) work() {
  33. for {
  34. // Read message from server
  35. mType, r, err := s.conn.NextReader()
  36. if err != nil {
  37. log.Println(err)
  38. return
  39. }
  40. switch mType {
  41. case websocket.TextMessage, websocket.BinaryMessage:
  42. // Обработка текстового сообщения
  43. mes, err := ReadMessage(r)
  44. if err != nil {
  45. log.Println("data error: ", err)
  46. return
  47. }
  48. log.Println("RESPONSE", mes)
  49. case websocket.PingMessage:
  50. // Отправка Pong в ответ на Ping
  51. //s.sendLocker.Lock()
  52. err := s.conn.WriteControl(websocket.PongMessage, nil, time.Now().Add(time.Second))
  53. //s.sendLocker.Unlock()
  54. if err != nil {
  55. log.Println("pong write:", err)
  56. return
  57. }
  58. case websocket.CloseMessage:
  59. // Обработка закрытия соединения
  60. log.Println("websocket connection closed")
  61. return
  62. }
  63. }
  64. }