You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.3 KiB
57 lines
1.3 KiB
package pub_client
|
|
|
|
import (
|
|
"github.com/rdleal/intervalst/interval"
|
|
"github.com/seaweedfs/seaweedfs/weed/mq/balancer"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/credentials/insecure"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
type PublisherConfiguration struct {
|
|
}
|
|
|
|
type PublishClient struct {
|
|
mq_pb.SeaweedMessaging_PublishClient
|
|
Broker string
|
|
Err error
|
|
}
|
|
type TopicPublisher struct {
|
|
namespace string
|
|
topic string
|
|
partition2Broker *interval.SearchTree[*PublishClient, int32]
|
|
grpcDialOption grpc.DialOption
|
|
sync.Mutex // protects grpc
|
|
}
|
|
|
|
func NewTopicPublisher(namespace, topic string) *TopicPublisher {
|
|
return &TopicPublisher{
|
|
namespace: namespace,
|
|
topic: topic,
|
|
partition2Broker: interval.NewSearchTree[*PublishClient](func(a, b int32) int {
|
|
return int(a - b)
|
|
}),
|
|
grpcDialOption: grpc.WithTransportCredentials(insecure.NewCredentials()),
|
|
}
|
|
}
|
|
|
|
func (p *TopicPublisher) Connect(bootstrapBroker string) error {
|
|
if err := p.doLookup(bootstrapBroker); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (p *TopicPublisher) Shutdown() error {
|
|
|
|
if clients, found := p.partition2Broker.AllIntersections(0, balancer.MaxPartitionCount); found {
|
|
for _, client := range clients {
|
|
client.CloseSend()
|
|
}
|
|
}
|
|
time.Sleep(1100 * time.Millisecond)
|
|
|
|
return nil
|
|
}
|