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Copy message before passing it to eventtype autocreate handler #7934

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merged 1 commit into from
May 22, 2024
Merged

Copy message before passing it to eventtype autocreate handler #7934

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20 changes: 9 additions & 11 deletions pkg/kncloudevents/event_dispatcher.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,9 +26,10 @@ import (
"net/http"
"time"

"github.com/cloudevents/sdk-go/v2/binding/buffering"

cloudevents "github.com/cloudevents/sdk-go/v2"
"github.com/cloudevents/sdk-go/v2/binding"
"github.com/cloudevents/sdk-go/v2/binding/buffering"
"github.com/cloudevents/sdk-go/v2/event"
cehttp "github.com/cloudevents/sdk-go/v2/protocol/http"
"github.com/hashicorp/go-retryablehttp"
Expand Down Expand Up @@ -249,7 +250,11 @@ func (d *Dispatcher) send(ctx context.Context, message binding.Message, destinat
messagesToFinish = append(messagesToFinish, responseMessage)

if config.eventTypeAutoHandler != nil {
d.handleAutocreate(ctx, responseMessage, config)
// messages can only be read once, so we need to make a copy of it
responseMessage, err = buffering.CopyMessage(ctx, responseMessage)
if err == nil {
d.handleAutocreate(ctx, responseMessage, config)
}
}

if config.reply == nil {
Expand Down Expand Up @@ -356,15 +361,8 @@ func (d *Dispatcher) executeRequest(ctx context.Context, target duckv1.Addressab
return ctx, responseMessage, &dispatchInfo, nil
}

func (d *Dispatcher) handleAutocreate(ctx context.Context, responseMessage binding.Message, config *senderConfig) {
// messages can only be read once, so we need to make a copy of it
messageCopy, err := buffering.CopyMessage(ctx, responseMessage)
if err != nil {
return
}
defer responseMessage.Finish(nil)

responseEvent, err := binding.ToEvent(ctx, messageCopy)
func (d *Dispatcher) handleAutocreate(ctx context.Context, msg binding.Message, config *senderConfig) {
responseEvent, err := binding.ToEvent(ctx, msg)
if err != nil {
return
}
Expand Down
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