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main.go
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main.go
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/*
Copyright 2020 VMware, Inc.
SPDX-License-Identifier: Apache-2.0
*/
package main
import (
"context"
"log"
"sync"
"time"
cloudevents "github.com/cloudevents/sdk-go/v2"
"knative.dev/pkg/signals"
)
func main() {
ctx := signals.NewContext()
client, err := cloudevents.NewDefaultClient()
if err != nil {
log.Fatal(err.Error())
}
ctx, cancel := context.WithCancel(ctx)
once := sync.Once{}
if err := client.StartReceiver(ctx, func(ctx context.Context, event cloudevents.Event) error {
log.Printf("Received event: %#v", event)
once.Do(func() {
// Launch a go routine to avoid blocking.
go func() {
// Ten seconds after the first event, exit normally.
<-time.After(10 * time.Second)
cancel()
}()
})
return nil
}); err != nil {
log.Fatal(err)
}
log.Print("Fin!")
}