mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-08-14 13:51:03 +02:00
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package sub
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import (
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"context"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/util"
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"github.com/golang/protobuf/proto"
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"gocloud.dev/pubsub"
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_ "gocloud.dev/pubsub/awssnssqs"
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// _ "gocloud.dev/pubsub/azuresb"
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_ "gocloud.dev/pubsub/gcppubsub"
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_ "gocloud.dev/pubsub/natspubsub"
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_ "gocloud.dev/pubsub/rabbitpubsub"
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)
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func init() {
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NotificationInputs = append(NotificationInputs, &GoCDKPubSubInput{})
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}
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type GoCDKPubSubInput struct {
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sub *pubsub.Subscription
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}
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func (k *GoCDKPubSubInput) GetName() string {
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return "gocdk_pub_sub"
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}
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func (k *GoCDKPubSubInput) Initialize(config util.Configuration) error {
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subURL := config.GetString("sub_url")
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glog.V(0).Infof("notification.gocdk_pub_sub.sub_url: %v", subURL)
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sub, err := pubsub.OpenSubscription(context.Background(), subURL)
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if err != nil {
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return err
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}
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k.sub = sub
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return nil
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}
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func (k *GoCDKPubSubInput) ReceiveMessage() (key string, message *filer_pb.EventNotification, err error) {
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msg, err := k.sub.Receive(context.Background())
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key = msg.Metadata["key"]
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message = &filer_pb.EventNotification{}
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err = proto.Unmarshal(msg.Body, message)
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if err != nil {
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return "", nil, err
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}
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return key, message, nil
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}
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