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package msgclient
import (
"context"
"log"
"github.com/chrislusf/seaweedfs/weed/mq/broker"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/mq_pb"
)
func (mc *MessagingClient) configureTopic(tp broker.TopicPartition) error {
return mc.withAnyBroker(func(client mq_pb.SeaweedMessagingClient) error {
_, err := client.ConfigureTopic(context.Background(),
&mq_pb.ConfigureTopicRequest{
Namespace: tp.Namespace,
Topic: tp.Topic,
Configuration: &mq_pb.TopicConfiguration{
PartitionCount: 0,
Collection: "",
Replication: "",
IsTransient: false,
Partitoning: 0,
},
})
return err
})
}
func (mc *MessagingClient) DeleteTopic(namespace, topic string) error {
return mc.withAnyBroker(func(client mq_pb.SeaweedMessagingClient) error {
_, err := client.DeleteTopic(context.Background(),
&mq_pb.DeleteTopicRequest{
Namespace: namespace,
Topic: topic,
})
return err
})
}
func (mc *MessagingClient) withAnyBroker(fn func(client mq_pb.SeaweedMessagingClient) error) error {
var lastErr error
for _, broker := range mc.bootstrapBrokers {
grpcConnection, err := pb.GrpcDial(context.Background(), broker, mc.grpcDialOption)
if err != nil {
log.Printf("dial broker %s: %v", broker, err)
continue
}
defer grpcConnection.Close()
err = fn(mq_pb.NewSeaweedMessagingClient(grpcConnection))
if err == nil {
return nil
}
lastErr = err
}
return lastErr
}
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