pub.go 1.9 KB

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  1. package main
  2. import (
  3. "context"
  4. "fmt"
  5. "github.com/edgexfoundry/go-mod-core-contracts/clients/coredata"
  6. "github.com/edgexfoundry/go-mod-core-contracts/clients/urlclient/local"
  7. "github.com/edgexfoundry/go-mod-core-contracts/models"
  8. "github.com/edgexfoundry/go-mod-messaging/messaging"
  9. "github.com/edgexfoundry/go-mod-messaging/pkg/types"
  10. "log"
  11. "time"
  12. )
  13. var msgConfig1 = types.MessageBusConfig{
  14. PublishHost: types.HostInfo{
  15. Host: "*",
  16. Port: 5570,
  17. Protocol: "tcp",
  18. },
  19. }
  20. func pubEventClientZeroMq() {
  21. msgConfig1.Type = messaging.ZeroMQ
  22. if msgClient, err := messaging.NewMessageClient(msgConfig1); err != nil {
  23. log.Fatal(err)
  24. } else {
  25. if ec := msgClient.Connect(); ec != nil {
  26. log.Fatal(ec)
  27. } else {
  28. client := coredata.NewEventClient(local.New("test"))
  29. //r := rand.New(rand.NewSource(time.Now().UnixNano()))
  30. for i := 0; i < 10; i++ {
  31. //temp := r.Intn(100)
  32. //humd := r.Intn(100)
  33. var testEvent = models.Event{Device: "demo", Created: 123, Modified: 123, Origin: 123}
  34. var testReading1 = models.Reading{Pushed: 123, Created: 123, Origin: 123, Modified: 123, Device: "test device name",
  35. Name: "Temperature", Value: fmt.Sprintf("%d", i*8)}
  36. var testReading2 = models.Reading{Pushed: 123, Created: 123, Origin: 123, Modified: 123, Device: "test device name",
  37. Name: "Humidity", Value: fmt.Sprintf("%d", i*9)}
  38. testEvent.Readings = append(testEvent.Readings, testReading1, testReading2)
  39. data, err := client.MarshalEvent(testEvent)
  40. if err != nil {
  41. fmt.Errorf("unexpected error MarshalEvent %v", err)
  42. } else {
  43. fmt.Println(string(data))
  44. }
  45. env := types.NewMessageEnvelope([]byte(data), context.Background())
  46. env.ContentType = "application/json"
  47. if e := msgClient.Publish(env, "events"); e != nil {
  48. log.Fatal(e)
  49. } else {
  50. fmt.Printf("Pub successful: %s\n", data)
  51. }
  52. time.Sleep(1 * time.Second)
  53. }
  54. }
  55. }
  56. }
  57. func main() {
  58. pubEventClientZeroMq()
  59. }