mirror of https://github.com/dapr/go-sdk.git
38 lines
1.0 KiB
Go
38 lines
1.0 KiB
Go
package main
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import (
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"context"
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"log"
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"net/http"
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"github.com/dapr/go-sdk/service/common"
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daprd "github.com/dapr/go-sdk/service/http"
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)
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// Subscription to tell the dapr what topic to subscribe.
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// - PubsubName: is the name of the component configured in the metadata of pubsub.yaml.
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// - Topic: is the name of the topic to subscribe.
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// - Route: tell dapr where to request the API to publish the message to the subscriber when get a message from topic.
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var sub := &common.Subscription{
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PubsubName: "messagebus",
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Topic: "neworder",
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Route: "/orders",
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}
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func main() {
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s := daprd.NewService(":8080")
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if err := s.AddTopicEventHandler(sub, eventHandler); err != nil {
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log.Fatalf("error adding topic subscription: %v", err)
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}
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if err := s.Start(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("error listenning: %v", err)
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}
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}
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func eventHandler(ctx context.Context, e *common.TopicEvent) error {
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log.Printf("event - PubsubName: %s, Topic: %s, ID: %s, Data: %s", e.PubsubName, e.Topic, e.ID, e.Data)
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return nil
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}
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