seaweedfs/weed/mq/client/cmd/weed_sub/subscriber.go

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package main
import (
"fmt"
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"github.com/seaweedfs/seaweedfs/weed/mq/client/sub_client"
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"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
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)
func main() {
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subscriberConfig := &sub_client.SubscriberConfiguration{
ClientId: "testSubscriber",
GroupId: "test",
GroupInstanceId: "test",
GrpcDialOption: grpc.WithTransportCredentials(insecure.NewCredentials()),
}
contentConfig := &sub_client.ContentConfiguration{
Namespace: "test",
Topic: "test",
Filter: "",
}
subscriber := sub_client.NewTopicSubscriber(subscriberConfig, contentConfig)
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if err := subscriber.Connect("localhost:17777"); err != nil {
fmt.Println(err)
return
}
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subscriber.SetEachMessageFunc(func(key, value []byte) bool {
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println(string(key), "=>", string(value))
return true
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})
subscriber.SetCompletionFunc(func() {
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println("done subscribing")
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})
if err := subscriber.Subscribe(); err != nil {
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fmt.Println(err)
}
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}