seaweedfs/weed/mq/client/pub_client/publisher.go
2023-09-07 23:55:19 -07:00

58 lines
1.3 KiB
Go

package pub_client
import (
"github.com/rdleal/intervalst/interval"
"github.com/seaweedfs/seaweedfs/weed/mq/broker"
"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, broker.MaxPartitionCount); found {
for _, client := range clients {
client.CloseSend()
}
}
time.Sleep(1100 * time.Millisecond)
return nil
}