seaweedfs/weed/mq/client/cmd/weed_sub/subscriber.go
Chris Lu 580940bf82
Merge accumulated changes related to message queue (#5098)
* 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
2023-12-11 12:05:54 -08:00

53 lines
1.2 KiB
Go

package main
import (
"flag"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/mq/client/sub_client"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"strings"
"time"
)
var (
namespace = flag.String("ns", "test", "namespace")
topic = flag.String("topic", "test", "topic")
seedBrokers = flag.String("brokers", "localhost:17777", "seed brokers")
)
func main() {
flag.Parse()
subscriberConfig := &sub_client.SubscriberConfiguration{
ClientId: "testSubscriber",
GroupId: "test",
GroupInstanceId: "test",
GrpcDialOption: grpc.WithTransportCredentials(insecure.NewCredentials()),
}
contentConfig := &sub_client.ContentConfiguration{
Namespace: *namespace,
Topic: *topic,
Filter: "",
StartTime: time.Now(),
}
brokers := strings.Split(*seedBrokers, ",")
subscriber := sub_client.NewTopicSubscriber(brokers, subscriberConfig, contentConfig)
subscriber.SetEachMessageFunc(func(key, value []byte) bool {
println(string(key), "=>", string(value))
return true
})
subscriber.SetCompletionFunc(func() {
println("done subscribing")
})
if err := subscriber.Subscribe(); err != nil {
fmt.Println(err)
}
}