mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-17 12:07:50 +08:00
580940bf82
* balance partitions on brokers * prepare topic partition first and then publish, move partition * purge unused APIs * clean up * adjust logs * add BalanceTopics() grpc API * configure topic * configure topic command * refactor * repair missing partitions * sequence of operations to ensure ordering * proto to close publishers and consumers * rename file * topic partition versioned by unixTimeNs * create local topic partition * close publishers * randomize the client name * wait until no publishers * logs * close stop publisher channel * send last ack * comments * comment * comments * support list of brokers * add cli options * Update .gitignore * logs * return io.eof directly * refactor * optionally create topic * refactoring * detect consumer disconnection * sub client wait for more messages * subscribe by time stamp * rename * rename to sub_balancer * rename * adjust comments * rename * fix compilation * rename * rename * SubscriberToSubCoordinator * sticky rebalance * go fmt * add tests * balance partitions on brokers * prepare topic partition first and then publish, move partition * purge unused APIs * clean up * adjust logs * add BalanceTopics() grpc API * configure topic * configure topic command * refactor * repair missing partitions * sequence of operations to ensure ordering * proto to close publishers and consumers * rename file * topic partition versioned by unixTimeNs * create local topic partition * close publishers * randomize the client name * wait until no publishers * logs * close stop publisher channel * send last ack * comments * comment * comments * support list of brokers * add cli options * Update .gitignore * logs * return io.eof directly * refactor * optionally create topic * refactoring * detect consumer disconnection * sub client wait for more messages * subscribe by time stamp * rename * rename to sub_balancer * rename * adjust comments * rename * fix compilation * rename * rename * SubscriberToSubCoordinator * sticky rebalance * go fmt * add tests * tracking topic=>broker * merge * comment
70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
package pub_client
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/rdleal/intervalst/interval"
|
|
"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/credentials/insecure"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
type PublisherConfiguration struct {
|
|
CreateTopic bool
|
|
CreateTopicPartitionCount int32
|
|
}
|
|
|
|
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
|
|
config *PublisherConfiguration
|
|
}
|
|
|
|
func NewTopicPublisher(namespace, topic string, config *PublisherConfiguration) *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()),
|
|
config: config,
|
|
}
|
|
}
|
|
|
|
func (p *TopicPublisher) Connect(bootstrapBrokers []string) (err error) {
|
|
if len(bootstrapBrokers) == 0 {
|
|
return nil
|
|
}
|
|
for _, b := range bootstrapBrokers {
|
|
err = p.doLookupAndConnect(b)
|
|
if err == nil {
|
|
return nil
|
|
}
|
|
fmt.Printf("failed to connect to %s: %v\n\n", b, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (p *TopicPublisher) Shutdown() error {
|
|
|
|
if clients, found := p.partition2Broker.AllIntersections(0, pub_balancer.MaxPartitionCount); found {
|
|
for _, client := range clients {
|
|
client.CloseSend()
|
|
}
|
|
}
|
|
time.Sleep(1100 * time.Millisecond)
|
|
|
|
return nil
|
|
}
|