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services.go
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services.go
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/*
* Copyright 2020 The Knative Authors
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package forwarder
import (
"context"
cloudevents "github.com/cloudevents/sdk-go/v2"
"knative.dev/eventing/test/upgrade/prober/wathola/client"
"knative.dev/eventing/test/upgrade/prober/wathola/config"
"knative.dev/eventing/test/upgrade/prober/wathola/sender"
"time"
)
var (
log = config.Log
lastProgressReport = time.Now()
Canceling = make(chan context.CancelFunc, 1)
)
// New creates new forwarder
func New() Forwarder {
config.ReadIfPresent()
f := &forwarder{
count: 0,
}
return f
}
func (f *forwarder) Forward() {
port := config.Instance.Forwarder.Port
client.Receive(port, Canceling, f.forwardEvent)
}
func (f *forwarder) forwardEvent(e cloudevents.Event) {
target := config.Instance.Forwarder.Target
log.Debugf("Forwarding event %v to %v", e.ID(), target)
err := sender.SendEvent(e, target)
if err != nil {
log.Error(err)
}
f.count++
f.reportProgress()
}
func (f *forwarder) reportProgress() {
if lastProgressReport.Add(config.Instance.Receiver.Progress.Duration).Before(time.Now()) {
lastProgressReport = time.Now()
log.Infof("forwarded %v events", f.count)
}
}
type forwarder struct {
count int
}