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Merge pull request #1318 from chrislusf/msg_channel

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Add messaging, add channel
This commit is contained in:
Chris Lu 2020-05-17 17:39:16 -07:00 committed by GitHub
parent b4e02ec525 081ee6fe34
commit e0e31e67a8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
39 changed files with 1682 additions and 581 deletions
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2
go.mod
View file

@ -10,6 +10,8 @@ require (
github.com/OneOfOne/xxhash v1.2.2
github.com/Shopify/sarama v1.23.1
github.com/aws/aws-sdk-go v1.23.13
github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72
github.com/cespare/xxhash v1.1.0
github.com/chrislusf/raft v0.0.0-20190225081310-10d6e2182d92
github.com/coreos/bbolt v1.3.3 // indirect
github.com/coreos/etcd v3.3.15+incompatible // indirect

2
go.sum
View file

@ -58,6 +58,8 @@ github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932 h1:mXoPYz/Ul5HYE
github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932/go.mod h1:NOuUCSz6Q9T7+igc/hlvDOUdtWKryOrtFyIVABv/p7k=
github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4YnC6+E63dPcxHo2sUxDIu8g3QgEJdRY=
github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72 h1:fUmDBbSvv1uOzo/t8WaxZMVb7BxJ8JECo5lGoR9c5bA=
github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72/go.mod h1:OEE5igu/CDjGegM1Jn6ZMo7R6LlV/JChAkjfQQIRLpg=
github.com/census-instrumentation/opencensus-proto v0.2.0 h1:LzQXZOgg4CQfE6bFvXGM30YZL1WW/M337pXml+GrcZ4=
github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=

28
other/java/client/src/main/proto/filer.proto
View file

@ -48,6 +48,12 @@ service SeaweedFiler {
rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
}
rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
}
rpc LocateBroker (LocateBrokerRequest) returns (LocateBrokerResponse) {
}
}
//////////////////////////////////////////////////
@ -261,3 +267,25 @@ message LogEntry {
int32 partition_key_hash = 2;
bytes data = 3;
}
message KeepConnectedRequest {
string name = 1;
uint32 grpc_port = 2;
repeated string resources = 3;
}
message KeepConnectedResponse {
}
message LocateBrokerRequest {
string resource = 1;
}
message LocateBrokerResponse {
bool found = 1;
// if found, send the exact address
// if not found, send the full list of existing brokers
message Resource {
string grpc_addresses = 1;
int32 resource_count = 2;
}
repeated Resource resources = 2;
}

2
weed/command/filer_copy.go
View file

@ -428,7 +428,7 @@ func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File,
uploadError = fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
return
}
chunksChan <- uploadResult.ToPbFileChunk(assignResult.FileId, i * chunkSize)
chunksChan <- uploadResult.ToPbFileChunk(assignResult.FileId, i*chunkSize)
fmt.Printf("uploaded %s-%d to %s [%d,%d)\n", fileName, i+1, targetUrl, i*chunkSize, i*chunkSize+int64(uploadResult.Size))
}(i)

8
weed/command/msg_broker.go
View file

@ -6,9 +6,10 @@ import (
"strconv"
"time"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"google.golang.org/grpc/reflection"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb"
@ -24,6 +25,7 @@ var (
type QueueOptions struct {
filer *string
ip *string
port *int
cpuprofile *string
memprofile *string
@ -32,7 +34,8 @@ type QueueOptions struct {
func init() {
cmdMsgBroker.Run = runMsgBroker // break init cycle
messageBrokerStandaloneOptions.filer = cmdMsgBroker.Flag.String("filer", "localhost:8888", "filer server address")
messageBrokerStandaloneOptions.port = cmdMsgBroker.Flag.Int("port", 17777, "queue server gRPC listen port")
messageBrokerStandaloneOptions.ip = cmdMsgBroker.Flag.String("ip", util.DetectedHostAddress(), "broker host address")
messageBrokerStandaloneOptions.port = cmdMsgBroker.Flag.Int("port", 17777, "broker gRPC listen port")
messageBrokerStandaloneOptions.cpuprofile = cmdMsgBroker.Flag.String("cpuprofile", "", "cpu profile output file")
messageBrokerStandaloneOptions.memprofile = cmdMsgBroker.Flag.String("memprofile", "", "memory profile output file")
}
@ -91,6 +94,7 @@ func (msgBrokerOpt *QueueOptions) startQueueServer() bool {
Filers: []string{*msgBrokerOpt.filer},
DefaultReplication: "",
MaxMB: 0,
Ip: *msgBrokerOpt.ip,
Port: *msgBrokerOpt.port,
Cipher: cipher,
}, grpcDialOption)

4
weed/messaging/broker/broker_append.go
View file

@ -3,6 +3,7 @@ package broker
import (
"context"
"fmt"
"io"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
@ -94,6 +95,9 @@ func (broker *MessageBroker) WithFilerClient(fn func(filer_pb.SeaweedFilerClient
for _, filer := range broker.option.Filers {
if err = pb.WithFilerClient(filer, broker.grpcDialOption, fn); err != nil {
if err == io.EOF {
return
}
glog.V(0).Infof("fail to connect to %s: %v", filer, err)
} else {
break

22
weed/messaging/broker/broker_grpc_server.go
View file

@ -2,7 +2,10 @@ package broker
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
@ -10,6 +13,25 @@ func (broker *MessageBroker) ConfigureTopic(c context.Context, request *messagin
panic("implement me")
}
func (broker *MessageBroker) DeleteTopic(c context.Context, request *messaging_pb.DeleteTopicRequest) (*messaging_pb.DeleteTopicResponse, error) {
resp := &messaging_pb.DeleteTopicResponse{}
dir, entry := genTopicDirEntry(request.Namespace, request.Topic)
if exists, err := filer_pb.Exists(broker, dir, entry, true); err != nil {
return nil, err
} else if exists {
err = filer_pb.Remove(broker, dir, entry, true, true, true)
}
return resp, nil
}
func (broker *MessageBroker) GetTopicConfiguration(c context.Context, request *messaging_pb.GetTopicConfigurationRequest) (*messaging_pb.GetTopicConfigurationResponse, error) {
panic("implement me")
}
func genTopicDir(namespace, topic string) string {
return fmt.Sprintf("%s/%s/%s", filer2.TopicsDir, namespace, topic)
}
func genTopicDirEntry(namespace, topic string) (dir, entry string) {
return fmt.Sprintf("%s/%s", filer2.TopicsDir, namespace), topic
}

116
weed/messaging/broker/broker_grpc_server_discovery.go Normal file
View file

@ -0,0 +1,116 @@
package broker
import (
"context"
"fmt"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
/*
Topic discovery:
When pub or sub connects, it ask for the whole broker list, and run consistent hashing to find the broker.
The broker will check peers whether it is already hosted by some other broker, if that broker is alive and acknowledged alive, redirect to it.
Otherwise, just host the topic.
So, if the pub or sub connects around the same time, they would connect to the same broker. Everyone is happy.
If one of the pub or sub connects very late, and the system topo changed quite a bit with new servers added or old servers died, checking peers will help.
*/
func (broker *MessageBroker) FindBroker(c context.Context, request *messaging_pb.FindBrokerRequest) (*messaging_pb.FindBrokerResponse, error) {
t := &messaging_pb.FindBrokerResponse{}
var peers []string
targetTopicPartition := fmt.Sprintf(TopicPartitionFmt, request.Namespace, request.Topic, request.Parition)
for _, filer := range broker.option.Filers {
err := broker.withFilerClient(filer, func(client filer_pb.SeaweedFilerClient) error {
resp, err := client.LocateBroker(context.Background(), &filer_pb.LocateBrokerRequest{
Resource: targetTopicPartition,
})
if err != nil {
return err
}
if resp.Found && len(resp.Resources) > 0 {
t.Broker = resp.Resources[0].GrpcAddresses
return nil
}
for _, b := range resp.Resources {
peers = append(peers, b.GrpcAddresses)
}
return nil
})
if err != nil {
return nil, err
}
}
t.Broker = PickMember(peers, []byte(targetTopicPartition))
return t, nil
}
func (broker *MessageBroker) checkFilers() {
// contact a filer about masters
var masters []string
found := false
for !found {
for _, filer := range broker.option.Filers {
err := broker.withFilerClient(filer, func(client filer_pb.SeaweedFilerClient) error {
resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
if err != nil {
return err
}
masters = append(masters, resp.Masters...)
return nil
})
if err == nil {
found = true
break
}
glog.V(0).Infof("failed to read masters from %+v: %v", broker.option.Filers, err)
time.Sleep(time.Second)
}
}
glog.V(0).Infof("received master list: %s", masters)
// contact each masters for filers
var filers []string
found = false
for !found {
for _, master := range masters {
err := broker.withMasterClient(master, func(client master_pb.SeaweedClient) error {
resp, err := client.ListMasterClients(context.Background(), &master_pb.ListMasterClientsRequest{
ClientType: "filer",
})
if err != nil {
return err
}
filers = append(filers, resp.GrpcAddresses...)
return nil
})
if err == nil {
found = true
break
}
glog.V(0).Infof("failed to list filers: %v", err)
time.Sleep(time.Second)
}
}
glog.V(0).Infof("received filer list: %s", filers)
broker.option.Filers = filers
}

50
weed/messaging/broker/broker_grpc_server_publish.go
View file

@ -1,11 +1,15 @@
package broker
import (
"crypto/md5"
"fmt"
"io"
"github.com/golang/protobuf/proto"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
@ -44,27 +48,24 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
Topic: in.Init.Topic,
Partition: in.Init.Partition,
}
tl := broker.topicLocks.RequestLock(tp, topicConfig, true)
defer broker.topicLocks.ReleaseLock(tp, true)
updatesChan := make(chan int32)
tpDir := fmt.Sprintf("%s/%s/%s", filer2.TopicsDir, tp.Namespace, tp.Topic)
md5File := fmt.Sprintf("p%02d.md5", tp.Partition)
// println("chan data stored under", tpDir, "as", md5File)
go func() {
for update := range updatesChan {
if err := stream.Send(&messaging_pb.PublishResponse{
Config: &messaging_pb.PublishResponse_ConfigMessage{
PartitionCount: update,
},
}); err != nil {
glog.V(0).Infof("err sending publish response: %v", err)
return
if exists, err := filer_pb.Exists(broker, tpDir, md5File, false); err == nil && exists {
return fmt.Errorf("channel is already closed")
}
}
}()
tl := broker.topicManager.RequestLock(tp, topicConfig, true)
defer broker.topicManager.ReleaseLock(tp, true)
md5hash := md5.New()
// process each message
for {
// println("recv")
in, err := stream.Recv()
// glog.V(0).Infof("recieved %v err: %v", in, err)
if err == io.EOF {
return nil
}
@ -86,5 +87,26 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
tl.logBuffer.AddToBuffer(in.Data.Key, data)
if in.Data.IsClose {
// println("server received closing")
break
}
md5hash.Write(in.Data.Value)
}
if err := broker.appendToFile(tpDir+"/"+md5File, topicConfig, md5hash.Sum(nil)); err != nil {
glog.V(0).Infof("err writing %s: %v", md5File, err)
}
// fmt.Printf("received md5 %X\n", md5hash.Sum(nil))
// send the close ack
// println("server send ack closing")
if err := stream.Send(&messaging_pb.PublishResponse{IsClosed: true}); err != nil {
glog.V(0).Infof("err sending close response: %v", err)
}
return nil
}

53
weed/messaging/broker/broker_grpc_server_subscribe.go
View file

@ -25,32 +25,39 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
return err
}
var processedTsNs int64
var messageCount int64
subscriberId := in.Init.SubscriberId
fmt.Printf("+ subscriber %s\n", subscriberId)
defer func() {
fmt.Printf("- subscriber %s: %d messages\n", subscriberId, messageCount)
}()
// TODO look it up
topicConfig := &messaging_pb.TopicConfiguration{
// IsTransient: true,
}
if err = stream.Send(&messaging_pb.BrokerMessage{
Redirect: nil,
}); err != nil {
return err
}
// get lock
tp := TopicPartition{
Namespace: in.Init.Namespace,
Topic: in.Init.Topic,
Partition: in.Init.Partition,
}
lock := broker.topicLocks.RequestLock(tp, topicConfig, false)
defer broker.topicLocks.ReleaseLock(tp, false)
fmt.Printf("+ subscriber %s for %s\n", subscriberId, tp.String())
defer func() {
fmt.Printf("- subscriber %s for %s %d messages last %v\n", subscriberId, tp.String(), messageCount, time.Unix(0, processedTsNs))
}()
lock := broker.topicManager.RequestLock(tp, topicConfig, false)
defer broker.topicManager.ReleaseLock(tp, false)
isConnected := true
go func() {
for isConnected {
if _, err := stream.Recv(); err != nil {
// println("disconnecting connection to", subscriberId, tp.String())
isConnected = false
lock.cond.Signal()
}
}
}()
lastReadTime := time.Now()
switch in.Init.StartPosition {
@ -58,8 +65,8 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
lastReadTime = time.Unix(0, in.Init.TimestampNs)
case messaging_pb.SubscriberMessage_InitMessage_LATEST:
case messaging_pb.SubscriberMessage_InitMessage_EARLIEST:
lastReadTime = time.Unix(0, 0)
}
var processedTsNs int64
// how to process each message
// an error returned will end the subscription
@ -84,23 +91,33 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
glog.Errorf("sending %d bytes to %s: %s", len(m.Value), subscriberId, err)
return err
}
if m.IsClose {
// println("processed EOF")
return io.EOF
}
processedTsNs = logEntry.TsNs
messageCount++
return nil
}
if err := broker.readPersistedLogBuffer(&tp, lastReadTime, eachLogEntryFn); err != nil {
if err != io.EOF {
// println("stopping from persisted logs", err.Error())
return err
}
}
if processedTsNs != 0 {
lastReadTime = time.Unix(0, processedTsNs)
}
messageCount, err = lock.logBuffer.LoopProcessLogData(lastReadTime, func() bool {
// fmt.Printf("subscriber %s read %d on disk log %v\n", subscriberId, messageCount, lastReadTime)
err = lock.logBuffer.LoopProcessLogData(lastReadTime, func() bool {
lock.Mutex.Lock()
lock.cond.Wait()
lock.Mutex.Unlock()
return true
return isConnected
}, eachLogEntryFn)
return err
@ -114,7 +131,7 @@ func (broker *MessageBroker) readPersistedLogBuffer(tp *TopicPartition, startTim
sizeBuf := make([]byte, 4)
startTsNs := startTime.UnixNano()
topicDir := fmt.Sprintf("/topics/%s/%s", tp.Namespace, tp.Topic)
topicDir := genTopicDir(tp.Namespace, tp.Topic)
partitionSuffix := fmt.Sprintf(".part%02d", tp.Partition)
return filer_pb.List(broker, topicDir, "", func(dayEntry *filer_pb.Entry, isLast bool) error {
@ -125,7 +142,7 @@ func (broker *MessageBroker) readPersistedLogBuffer(tp *TopicPartition, startTim
return nil
}
}
if !strings.HasSuffix(hourMinuteEntry.Name, partitionSuffix){
if !strings.HasSuffix(hourMinuteEntry.Name, partitionSuffix) {
return nil
}
// println("partition", tp.Partition, "processing", dayDir, "/", hourMinuteEntry.Name)
@ -134,7 +151,7 @@ func (broker *MessageBroker) readPersistedLogBuffer(tp *TopicPartition, startTim
if err := filer2.ReadEachLogEntry(chunkedFileReader, sizeBuf, startTsNs, eachLogEntryFn); err != nil {
chunkedFileReader.Close()
if err == io.EOF {
return nil
return err
}
return fmt.Errorf("reading %s/%s: %v", dayDir, hourMinuteEntry.Name, err)
}

112
weed/messaging/broker/broker_server.go
View file

@ -16,6 +16,7 @@ type MessageBrokerOption struct {
Filers []string
DefaultReplication string
MaxMB int
Ip string
Port int
Cipher bool
}
@ -23,7 +24,7 @@ type MessageBrokerOption struct {
type MessageBroker struct {
option *MessageBrokerOption
grpcDialOption grpc.DialOption
topicLocks *TopicLocks
topicManager *TopicManager
}
func NewMessageBroker(option *MessageBrokerOption, grpcDialOption grpc.DialOption) (messageBroker *MessageBroker, err error) {
@ -33,77 +34,66 @@ func NewMessageBroker(option *MessageBrokerOption, grpcDialOption grpc.DialOptio
grpcDialOption: grpcDialOption,
}
messageBroker.topicLocks = NewTopicLocks(messageBroker)
messageBroker.topicManager = NewTopicManager(messageBroker)
messageBroker.checkPeers()
messageBroker.checkFilers()
// go messageBroker.loopForEver()
go messageBroker.keepConnectedToOneFiler()
return messageBroker, nil
}
func (broker *MessageBroker) loopForEver() {
func (broker *MessageBroker) keepConnectedToOneFiler() {
for {
broker.checkPeers()
for _, filer := range broker.option.Filers {
broker.withFilerClient(filer, func(client filer_pb.SeaweedFilerClient) error {
stream, err := client.KeepConnected(context.Background())
if err != nil {
glog.V(0).Infof("%s:%d failed to keep connected to %s: %v", broker.option.Ip, broker.option.Port, filer, err)
return err
}
initRequest := &filer_pb.KeepConnectedRequest{
Name: broker.option.Ip,
GrpcPort: uint32(broker.option.Port),
}
for _, tp := range broker.topicManager.ListTopicPartitions() {
initRequest.Resources = append(initRequest.Resources, tp.String())
}
if err := stream.Send(&filer_pb.KeepConnectedRequest{
Name: broker.option.Ip,
GrpcPort: uint32(broker.option.Port),
}); err != nil {
glog.V(0).Infof("broker %s:%d failed to init at %s: %v", broker.option.Ip, broker.option.Port, filer, err)
return err
}
// TODO send events of adding/removing topics
glog.V(0).Infof("conntected with filer: %v", filer)
for {
if err := stream.Send(&filer_pb.KeepConnectedRequest{
Name: broker.option.Ip,
GrpcPort: uint32(broker.option.Port),
}); err != nil {
glog.V(0).Infof("%s:%d failed to sendto %s: %v", broker.option.Ip, broker.option.Port, filer, err)
return err
}
// println("send heartbeat")
if _, err := stream.Recv(); err != nil {
glog.V(0).Infof("%s:%d failed to receive from %s: %v", broker.option.Ip, broker.option.Port, filer, err)
return err
}
// println("received reply")
time.Sleep(11 * time.Second)
// println("woke up")
}
return nil
})
time.Sleep(3 * time.Second)
}
}
func (broker *MessageBroker) checkPeers() {
// contact a filer about masters
var masters []string
found := false
for !found {
for _, filer := range broker.option.Filers {
err := broker.withFilerClient(filer, func(client filer_pb.SeaweedFilerClient) error {
resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
if err != nil {
return err
}
masters = append(masters, resp.Masters...)
return nil
})
if err == nil {
found = true
break
}
glog.V(0).Infof("failed to read masters from %+v: %v", broker.option.Filers, err)
time.Sleep(time.Second)
}
}
glog.V(0).Infof("received master list: %s", masters)
// contact each masters for filers
var filers []string
found = false
for !found {
for _, master := range masters {
err := broker.withMasterClient(master, func(client master_pb.SeaweedClient) error {
resp, err := client.ListMasterClients(context.Background(), &master_pb.ListMasterClientsRequest{
ClientType: "filer",
})
if err != nil {
return err
}
filers = append(filers, resp.GrpcAddresses...)
return nil
})
if err == nil {
found = true
break
}
glog.V(0).Infof("failed to list filers: %v", err)
time.Sleep(time.Second)
}
}
glog.V(0).Infof("received filer list: %s", filers)
broker.option.Filers = filers
}

38
weed/messaging/broker/consistent_distribution.go Normal file
View file

@ -0,0 +1,38 @@
package broker
import (
"github.com/buraksezer/consistent"
"github.com/cespare/xxhash"
)
type Member string
func (m Member) String() string {
return string(m)
}
type hasher struct{}
func (h hasher) Sum64(data []byte) uint64 {
return xxhash.Sum64(data)
}
func PickMember(members []string, key []byte) string {
cfg := consistent.Config{
PartitionCount: 9791,
ReplicationFactor: 2,
Load: 1.25,
Hasher: hasher{},
}
cmembers := []consistent.Member{}
for _, m := range members {
cmembers = append(cmembers, Member(m))
}
c := consistent.New(cmembers, cfg)
m := c.LocateKey(key)
return m.String()
}

32
weed/messaging/broker/consistent_distribution_test.go Normal file
View file

@ -0,0 +1,32 @@
package broker
import (
"fmt"
"testing"
)
func TestPickMember(t *testing.T) {
servers := []string{
"s1:port",
"s2:port",
"s3:port",
"s5:port",
"s4:port",
}
total := 1000
distribution := make(map[string]int)
for i := 0; i < total; i++ {
tp := fmt.Sprintf("tp:%2d", i)
m := PickMember(servers, []byte(tp))
// println(tp, "=>", m)
distribution[m]++
}
for member, count := range distribution {
fmt.Printf("member: %s, key count: %d load=%.2f\n", member, count, float64(count*100)/float64(total/len(servers)))
}
}

103
weed/messaging/broker/topic_lock.go
View file

@ -1,103 +0,0 @@
package broker
import (
"fmt"
"sync"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
"github.com/chrislusf/seaweedfs/weed/util/log_buffer"
)
type TopicPartition struct {
Namespace string
Topic string
Partition int32
}
type TopicLock struct {
sync.Mutex
cond *sync.Cond
subscriberCount int
publisherCount int
logBuffer *log_buffer.LogBuffer
}
type TopicLocks struct {
sync.Mutex
locks map[TopicPartition]*TopicLock
broker *MessageBroker
}
func NewTopicLocks(messageBroker *MessageBroker) *TopicLocks {
return &TopicLocks{
locks: make(map[TopicPartition]*TopicLock),
broker: messageBroker,
}
}
func (locks *TopicLocks) buildLogBuffer(tl *TopicLock, tp TopicPartition, topicConfig *messaging_pb.TopicConfiguration) *log_buffer.LogBuffer {
flushFn := func(startTime, stopTime time.Time, buf []byte) {
if topicConfig.IsTransient {
// return
}
// fmt.Printf("flushing with topic config %+v\n", topicConfig)
targetFile := fmt.Sprintf(
"%s/%s/%s/%04d-%02d-%02d/%02d-%02d.part%02d",
filer2.TopicsDir, tp.Namespace, tp.Topic,
startTime.Year(), startTime.Month(), startTime.Day(), startTime.Hour(), startTime.Minute(),
tp.Partition,
)
if err := locks.broker.appendToFile(targetFile, topicConfig, buf); err != nil {
glog.V(0).Infof("log write failed %s: %v", targetFile, err)
}
}
logBuffer := log_buffer.NewLogBuffer(time.Minute, flushFn, func() {
tl.cond.Broadcast()
})
return logBuffer
}
func (tl *TopicLocks) RequestLock(partition TopicPartition, topicConfig *messaging_pb.TopicConfiguration, isPublisher bool) *TopicLock {
tl.Lock()
defer tl.Unlock()
lock, found := tl.locks[partition]
if !found {
lock = &TopicLock{}
lock.cond = sync.NewCond(&lock.Mutex)
tl.locks[partition] = lock
lock.logBuffer = tl.buildLogBuffer(lock, partition, topicConfig)
}
if isPublisher {
lock.publisherCount++
} else {
lock.subscriberCount++
}
return lock
}
func (tl *TopicLocks) ReleaseLock(partition TopicPartition, isPublisher bool) {
tl.Lock()
defer tl.Unlock()
lock, found := tl.locks[partition]
if !found {
return
}
if isPublisher {
lock.publisherCount--
} else {
lock.subscriberCount--
}
if lock.subscriberCount <= 0 && lock.publisherCount <= 0 {
delete(tl.locks, partition)
}
}

123
weed/messaging/broker/topic_manager.go Normal file
View file

@ -0,0 +1,123 @@
package broker
import (
"fmt"
"sync"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
"github.com/chrislusf/seaweedfs/weed/util/log_buffer"
)
type TopicPartition struct {
Namespace string
Topic string
Partition int32
}
const (
TopicPartitionFmt = "%s/%s_%02d"
)
func (tp *TopicPartition) String() string {
return fmt.Sprintf(TopicPartitionFmt, tp.Namespace, tp.Topic, tp.Partition)
}
type TopicControl struct {
sync.Mutex
cond *sync.Cond
subscriberCount int
publisherCount int
logBuffer *log_buffer.LogBuffer
}
type TopicManager struct {
sync.Mutex
topicControls map[TopicPartition]*TopicControl
broker *MessageBroker
}
func NewTopicManager(messageBroker *MessageBroker) *TopicManager {
return &TopicManager{
topicControls: make(map[TopicPartition]*TopicControl),
broker: messageBroker,
}
}
func (tm *TopicManager) buildLogBuffer(tl *TopicControl, tp TopicPartition, topicConfig *messaging_pb.TopicConfiguration) *log_buffer.LogBuffer {
flushFn := func(startTime, stopTime time.Time, buf []byte) {
if topicConfig.IsTransient {
// return
}
// fmt.Printf("flushing with topic config %+v\n", topicConfig)
targetFile := fmt.Sprintf(
"%s/%s/%s/%04d-%02d-%02d/%02d-%02d.part%02d",
filer2.TopicsDir, tp.Namespace, tp.Topic,
startTime.Year(), startTime.Month(), startTime.Day(), startTime.Hour(), startTime.Minute(),
tp.Partition,
)
if err := tm.broker.appendToFile(targetFile, topicConfig, buf); err != nil {
glog.V(0).Infof("log write failed %s: %v", targetFile, err)
}
}
logBuffer := log_buffer.NewLogBuffer(time.Minute, flushFn, func() {
tl.cond.Broadcast()
})
return logBuffer
}
func (tm *TopicManager) RequestLock(partition TopicPartition, topicConfig *messaging_pb.TopicConfiguration, isPublisher bool) *TopicControl {
tm.Lock()
defer tm.Unlock()
tc, found := tm.topicControls[partition]
if !found {
tc = &TopicControl{}
tc.cond = sync.NewCond(&tc.Mutex)
tm.topicControls[partition] = tc
tc.logBuffer = tm.buildLogBuffer(tc, partition, topicConfig)
}
if isPublisher {
tc.publisherCount++
} else {
tc.subscriberCount++
}
return tc
}
func (tm *TopicManager) ReleaseLock(partition TopicPartition, isPublisher bool) {
tm.Lock()
defer tm.Unlock()
lock, found := tm.topicControls[partition]
if !found {
return
}
if isPublisher {
lock.publisherCount--
} else {
lock.subscriberCount--
}
if lock.subscriberCount <= 0 && lock.publisherCount <= 0 {
delete(tm.topicControls, partition)
lock.logBuffer.Shutdown()
}
}
func (tm *TopicManager) ListTopicPartitions() (tps []TopicPartition) {
tm.Lock()
defer tm.Unlock()
for k := range tm.topicControls {
tps = append(tps, k)
}
return
}

30
weed/messaging/client/client.go
View file

@ -1,30 +0,0 @@
package client
import (
"context"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/util"
)
type MessagingClient struct {
bootstrapBrokers []string
grpcConnection *grpc.ClientConn
}
func NewMessagingClient(bootstrapBrokers []string) (*MessagingClient, error) {
grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.msg_client")
grpcConnection, err := pb.GrpcDial(context.Background(), "localhost:17777", grpcDialOption)
if err != nil {
return nil, err
}
return &MessagingClient{
bootstrapBrokers: bootstrapBrokers,
grpcConnection: grpcConnection,
}, nil
}

91
weed/messaging/client/subscriber.go
View file

@ -1,91 +0,0 @@
package client
import (
"context"
"io"
"time"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
type Subscriber struct {
subscriberClients []messaging_pb.SeaweedMessaging_SubscribeClient
subscriberId string
}
func (mc *MessagingClient) NewSubscriber(subscriberId, namespace, topic string, startTime time.Time) (*Subscriber, error) {
// read topic configuration
topicConfiguration := &messaging_pb.TopicConfiguration{
PartitionCount: 4,
}
subscriberClients := make([]messaging_pb.SeaweedMessaging_SubscribeClient, topicConfiguration.PartitionCount)
for i := 0; i < int(topicConfiguration.PartitionCount); i++ {
client, err := mc.setupSubscriberClient(subscriberId, namespace, topic, int32(i), startTime)
if err != nil {
return nil, err
}
subscriberClients[i] = client
}
return &Subscriber{
subscriberClients: subscriberClients,
subscriberId: subscriberId,
}, nil
}
func (mc *MessagingClient) setupSubscriberClient(subscriberId, namespace, topic string, partition int32, startTime time.Time) (messaging_pb.SeaweedMessaging_SubscribeClient, error) {
stream, err := messaging_pb.NewSeaweedMessagingClient(mc.grpcConnection).Subscribe(context.Background())
if err != nil {
return nil, err
}
// send init message
err = stream.Send(&messaging_pb.SubscriberMessage{
Init: &messaging_pb.SubscriberMessage_InitMessage{
Namespace: namespace,
Topic: topic,
Partition: partition,
StartPosition: messaging_pb.SubscriberMessage_InitMessage_TIMESTAMP,
TimestampNs: startTime.UnixNano(),
SubscriberId: subscriberId,
},
})
if err != nil {
return nil, err
}
// process init response
initResponse, err := stream.Recv()
if err != nil {
return nil, err
}
if initResponse.Redirect != nil {
// TODO follow redirection
}
return stream, nil
}
func (s *Subscriber) doSubscribe(partition int, processFn func(m *messaging_pb.Message)) error {
for {
resp, listenErr := s.subscriberClients[partition].Recv()
if listenErr == io.EOF {
return nil
}
if listenErr != nil {
println(listenErr.Error())
return listenErr
}
processFn(resp.Data)
}
}
// Subscribe starts goroutines to process the messages
func (s *Subscriber) Subscribe(processFn func(m *messaging_pb.Message)) {
for i := 0; i < len(s.subscriberClients); i++ {
go s.doSubscribe(i, processFn)
}
}

55
weed/messaging/msgclient/client.go Normal file
View file

@ -0,0 +1,55 @@
package msgclient
import (
"context"
"fmt"
"log"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/util"
)
type MessagingClient struct {
bootstrapBrokers []string
grpcConnections map[broker.TopicPartition]*grpc.ClientConn
grpcDialOption grpc.DialOption
}
func NewMessagingClient(bootstrapBrokers ...string) *MessagingClient {
return &MessagingClient{
bootstrapBrokers: bootstrapBrokers,
grpcConnections: make(map[broker.TopicPartition]*grpc.ClientConn),
grpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.msg_client"),
}
}
func (mc *MessagingClient) findBroker(tp broker.TopicPartition) (*grpc.ClientConn, 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()
resp, err := messaging_pb.NewSeaweedMessagingClient(grpcConnection).FindBroker(context.Background(),
&messaging_pb.FindBrokerRequest{
Namespace: tp.Namespace,
Topic: tp.Topic,
Parition: tp.Partition,
})
if err != nil {
return nil, err
}
targetBroker := resp.Broker
return pb.GrpcDial(context.Background(), targetBroker, mc.grpcDialOption)
}
return nil, fmt.Errorf("no broker found for %+v", tp)
}

63
weed/messaging/msgclient/config.go Normal file
View file

@ -0,0 +1,63 @@
package msgclient
import (
"context"
"log"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
func (mc *MessagingClient) configureTopic(tp broker.TopicPartition) error {
return mc.withAnyBroker(func(client messaging_pb.SeaweedMessagingClient) error {
_, err := client.ConfigureTopic(context.Background(),
&messaging_pb.ConfigureTopicRequest{
Namespace: tp.Namespace,
Topic: tp.Topic,
Configuration: &messaging_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 messaging_pb.SeaweedMessagingClient) error {
_, err := client.DeleteTopic(context.Background(),
&messaging_pb.DeleteTopicRequest{
Namespace: namespace,
Topic: topic,
})
return err
})
}
func (mc *MessagingClient) withAnyBroker(fn func(client messaging_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(messaging_pb.NewSeaweedMessagingClient(grpcConnection))
if err == nil {
return nil
}
lastErr = err
}
return lastErr
}

76
weed/messaging/msgclient/pub_chan.go Normal file
View file

@ -0,0 +1,76 @@
package msgclient
import (
"crypto/md5"
"hash"
"io"
"log"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
type PubChannel struct {
client messaging_pb.SeaweedMessaging_PublishClient
grpcConnection *grpc.ClientConn
md5hash hash.Hash
}
func (mc *MessagingClient) NewPubChannel(chanName string) (*PubChannel, error) {
tp := broker.TopicPartition{
Namespace: "chan",
Topic: chanName,
Partition: 0,
}
grpcConnection, err := mc.findBroker(tp)
if err != nil {
return nil, err
}
pc, err := setupPublisherClient(grpcConnection, tp)
if err != nil {
return nil, err
}
return &PubChannel{
client: pc,
grpcConnection: grpcConnection,
md5hash: md5.New(),
}, nil
}
func (pc *PubChannel) Publish(m []byte) error {
err := pc.client.Send(&messaging_pb.PublishRequest{
Data: &messaging_pb.Message{
Value: m,
},
})
if err == nil {
pc.md5hash.Write(m)
}
return err
}
func (pc *PubChannel) Close() error {
// println("send closing")
if err := pc.client.Send(&messaging_pb.PublishRequest{
Data: &messaging_pb.Message{
IsClose: true,
},
}); err != nil {
log.Printf("err send close: %v", err)
}
// println("receive closing")
if _, err := pc.client.Recv(); err != nil && err != io.EOF {
log.Printf("err receive close: %v", err)
}
// println("close connection")
if err := pc.grpcConnection.Close(); err != nil {
log.Printf("err connection close: %v", err)
}
return nil
}
func (pc *PubChannel) Md5() []byte {
return pc.md5hash.Sum(nil)
}

31
weed/messaging/client/publisher.go → weed/messaging/msgclient/publisher.go
View file

@ -1,10 +1,12 @@
package client
package msgclient
import (
"context"
"github.com/OneOfOne/xxhash"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
@ -22,7 +24,16 @@ func (mc *MessagingClient) NewPublisher(publisherId, namespace, topic string) (*
}
publishClients := make([]messaging_pb.SeaweedMessaging_PublishClient, topicConfiguration.PartitionCount)
for i := 0; i < int(topicConfiguration.PartitionCount); i++ {
client, err := mc.setupPublisherClient(namespace, topic, int32(i))
tp := broker.TopicPartition{
Namespace: namespace,
Topic: topic,
Partition: int32(i),
}
grpcClientConn, err := mc.findBroker(tp)
if err != nil {
return nil, err
}
client, err := setupPublisherClient(grpcClientConn, tp)
if err != nil {
return nil, err
}
@ -34,9 +45,9 @@ func (mc *MessagingClient) NewPublisher(publisherId, namespace, topic string) (*
}, nil
}
func (mc *MessagingClient) setupPublisherClient(namespace, topic string, partition int32) (messaging_pb.SeaweedMessaging_PublishClient, error) {
func setupPublisherClient(grpcConnection *grpc.ClientConn, tp broker.TopicPartition) (messaging_pb.SeaweedMessaging_PublishClient, error) {
stream, err := messaging_pb.NewSeaweedMessagingClient(mc.grpcConnection).Publish(context.Background())
stream, err := messaging_pb.NewSeaweedMessagingClient(grpcConnection).Publish(context.Background())
if err != nil {
return nil, err
}
@ -44,9 +55,9 @@ func (mc *MessagingClient) setupPublisherClient(namespace, topic string, partiti
// send init message
err = stream.Send(&messaging_pb.PublishRequest{
Init: &messaging_pb.PublishRequest_InitMessage{
Namespace: namespace,
Topic: topic,
Partition: partition,
Namespace: tp.Namespace,
Topic: tp.Topic,
Partition: tp.Partition,
},
})
if err != nil {
@ -105,9 +116,3 @@ func (p *Publisher) Publish(m *messaging_pb.Message) error {
Data: m,
})
}
func (p *Publisher) Shutdown() {
for _, client := range p.publishClients {
client.CloseSend()
}
}

85
weed/messaging/msgclient/sub_chan.go Normal file
View file

@ -0,0 +1,85 @@
package msgclient
import (
"context"
"crypto/md5"
"hash"
"io"
"log"
"time"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
type SubChannel struct {
ch chan []byte
stream messaging_pb.SeaweedMessaging_SubscribeClient
md5hash hash.Hash
cancel context.CancelFunc
}
func (mc *MessagingClient) NewSubChannel(subscriberId, chanName string) (*SubChannel, error) {
tp := broker.TopicPartition{
Namespace: "chan",
Topic: chanName,
Partition: 0,
}
grpcConnection, err := mc.findBroker(tp)
if err != nil {
return nil, err
}
ctx, cancel := context.WithCancel(context.Background())
sc, err := setupSubscriberClient(ctx, grpcConnection, tp, subscriberId, time.Unix(0, 0))
if err != nil {
return nil, err
}
t := &SubChannel{
ch: make(chan []byte),
stream: sc,
md5hash: md5.New(),
cancel: cancel,
}
go func() {
for {
resp, subErr := t.stream.Recv()
if subErr == io.EOF {
return
}
if subErr != nil {
log.Printf("fail to receive from netchan %s: %v", chanName, subErr)
return
}
if resp.Data == nil {
// this could be heartbeat from broker
continue
}
if resp.Data.IsClose {
t.stream.Send(&messaging_pb.SubscriberMessage{
IsClose: true,
})
close(t.ch)
cancel()
return
}
t.ch <- resp.Data.Value
t.md5hash.Write(resp.Data.Value)
}
}()
return t, nil
}
func (sc *SubChannel) Channel() chan []byte {
return sc.ch
}
func (sc *SubChannel) Md5() []byte {
return sc.md5hash.Sum(nil)
}
func (sc *SubChannel) Cancel() {
sc.cancel()
}

120
weed/messaging/msgclient/subscriber.go Normal file
View file

@ -0,0 +1,120 @@
package msgclient
import (
"context"
"io"
"time"
"sync"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
"google.golang.org/grpc"
)
type Subscriber struct {
subscriberClients []messaging_pb.SeaweedMessaging_SubscribeClient
subscriberCancels []context.CancelFunc
subscriberId string
}
func (mc *MessagingClient) NewSubscriber(subscriberId, namespace, topic string, partitionId int, startTime time.Time) (*Subscriber, error) {
// read topic configuration
topicConfiguration := &messaging_pb.TopicConfiguration{
PartitionCount: 4,
}
subscriberClients := make([]messaging_pb.SeaweedMessaging_SubscribeClient, topicConfiguration.PartitionCount)
subscriberCancels := make([]context.CancelFunc, topicConfiguration.PartitionCount)
for i := 0; i < int(topicConfiguration.PartitionCount); i++ {
if partitionId>=0 && i != partitionId {
continue
}
tp := broker.TopicPartition{
Namespace: namespace,
Topic: topic,
Partition: int32(i),
}
grpcClientConn, err := mc.findBroker(tp)
if err != nil {
return nil, err
}
ctx, cancel := context.WithCancel(context.Background())
client, err := setupSubscriberClient(ctx, grpcClientConn, tp, subscriberId, startTime)
if err != nil {
return nil, err
}
subscriberClients[i] = client
subscriberCancels[i] = cancel
}
return &Subscriber{
subscriberClients: subscriberClients,
subscriberCancels: subscriberCancels,
subscriberId: subscriberId,
}, nil
}
func setupSubscriberClient(ctx context.Context, grpcConnection *grpc.ClientConn, tp broker.TopicPartition, subscriberId string, startTime time.Time) (stream messaging_pb.SeaweedMessaging_SubscribeClient, err error) {
stream, err = messaging_pb.NewSeaweedMessagingClient(grpcConnection).Subscribe(ctx)
if err != nil {
return
}
// send init message
err = stream.Send(&messaging_pb.SubscriberMessage{
Init: &messaging_pb.SubscriberMessage_InitMessage{
Namespace: tp.Namespace,
Topic: tp.Topic,
Partition: tp.Partition,
StartPosition: messaging_pb.SubscriberMessage_InitMessage_TIMESTAMP,
TimestampNs: startTime.UnixNano(),
SubscriberId: subscriberId,
},
})
if err != nil {
return
}
return stream, nil
}
func doSubscribe(subscriberClient messaging_pb.SeaweedMessaging_SubscribeClient, processFn func(m *messaging_pb.Message)) error {
for {
resp, listenErr := subscriberClient.Recv()
if listenErr == io.EOF {
return nil
}
if listenErr != nil {
println(listenErr.Error())
return listenErr
}
if resp.Data == nil {
// this could be heartbeat from broker
continue
}
processFn(resp.Data)
}
}
// Subscribe starts goroutines to process the messages
func (s *Subscriber) Subscribe(processFn func(m *messaging_pb.Message)) {
var wg sync.WaitGroup
for i := 0; i < len(s.subscriberClients); i++ {
if s.subscriberClients[i] != nil {
wg.Add(1)
go func(subscriberClient messaging_pb.SeaweedMessaging_SubscribeClient) {
defer wg.Done()
doSubscribe(subscriberClient, processFn)
}(s.subscriberClients[i])
}
}
wg.Wait()
}
func (s *Subscriber) Shutdown() {
for i := 0; i < len(s.subscriberClients); i++ {
if s.subscriberCancels[i] != nil {
s.subscriberCancels[i]()
}
}
}

28
weed/pb/filer.proto
View file

@ -48,6 +48,12 @@ service SeaweedFiler {
rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
}
rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
}
rpc LocateBroker (LocateBrokerRequest) returns (LocateBrokerResponse) {
}
}
//////////////////////////////////////////////////
@ -261,3 +267,25 @@ message LogEntry {
int32 partition_key_hash = 2;
bytes data = 3;
}
message KeepConnectedRequest {
string name = 1;
uint32 grpc_port = 2;
repeated string resources = 3;
}
message KeepConnectedResponse {
}
message LocateBrokerRequest {
string resource = 1;
}
message LocateBrokerResponse {
bool found = 1;
// if found, send the exact address
// if not found, send the full list of existing brokers
message Resource {
string grpc_addresses = 1;
int32 resource_count = 2;
}
repeated Resource resources = 2;
}

474
weed/pb/filer_pb/filer.pb.go
View file

@ -44,6 +44,10 @@ It has these top-level messages:
SubscribeMetadataRequest
SubscribeMetadataResponse
LogEntry
KeepConnectedRequest
KeepConnectedResponse
LocateBrokerRequest
LocateBrokerResponse
*/
package filer_pb
@ -1228,6 +1232,114 @@ func (m *LogEntry) GetData() []byte {
return nil
}
type KeepConnectedRequest struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
GrpcPort uint32 `protobuf:"varint,2,opt,name=grpc_port,json=grpcPort" json:"grpc_port,omitempty"`
Resources []string `protobuf:"bytes,3,rep,name=resources" json:"resources,omitempty"`
}
func (m *KeepConnectedRequest) Reset() { *m = KeepConnectedRequest{} }
func (m *KeepConnectedRequest) String() string { return proto.CompactTextString(m) }
func (*KeepConnectedRequest) ProtoMessage() {}
func (*KeepConnectedRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{35} }
func (m *KeepConnectedRequest) GetName() string {
if m != nil {
return m.Name
}
return ""
}
func (m *KeepConnectedRequest) GetGrpcPort() uint32 {
if m != nil {
return m.GrpcPort
}
return 0
}
func (m *KeepConnectedRequest) GetResources() []string {
if m != nil {
return m.Resources
}
return nil
}
type KeepConnectedResponse struct {
}
func (m *KeepConnectedResponse) Reset() { *m = KeepConnectedResponse{} }
func (m *KeepConnectedResponse) String() string { return proto.CompactTextString(m) }
func (*KeepConnectedResponse) ProtoMessage() {}
func (*KeepConnectedResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{36} }
type LocateBrokerRequest struct {
Resource string `protobuf:"bytes,1,opt,name=resource" json:"resource,omitempty"`
}
func (m *LocateBrokerRequest) Reset() { *m = LocateBrokerRequest{} }
func (m *LocateBrokerRequest) String() string { return proto.CompactTextString(m) }
func (*LocateBrokerRequest) ProtoMessage() {}
func (*LocateBrokerRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{37} }
func (m *LocateBrokerRequest) GetResource() string {
if m != nil {
return m.Resource
}
return ""
}
type LocateBrokerResponse struct {
Found bool `protobuf:"varint,1,opt,name=found" json:"found,omitempty"`
Resources []*LocateBrokerResponse_Resource `protobuf:"bytes,2,rep,name=resources" json:"resources,omitempty"`
}
func (m *LocateBrokerResponse) Reset() { *m = LocateBrokerResponse{} }
func (m *LocateBrokerResponse) String() string { return proto.CompactTextString(m) }
func (*LocateBrokerResponse) ProtoMessage() {}
func (*LocateBrokerResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{38} }
func (m *LocateBrokerResponse) GetFound() bool {
if m != nil {
return m.Found
}
return false
}
func (m *LocateBrokerResponse) GetResources() []*LocateBrokerResponse_Resource {
if m != nil {
return m.Resources
}
return nil
}
// if found, send the exact address
// if not found, send the full list of existing brokers
type LocateBrokerResponse_Resource struct {
GrpcAddresses string `protobuf:"bytes,1,opt,name=grpc_addresses,json=grpcAddresses" json:"grpc_addresses,omitempty"`
ResourceCount int32 `protobuf:"varint,2,opt,name=resource_count,json=resourceCount" json:"resource_count,omitempty"`
}
func (m *LocateBrokerResponse_Resource) Reset() { *m = LocateBrokerResponse_Resource{} }
func (m *LocateBrokerResponse_Resource) String() string { return proto.CompactTextString(m) }
func (*LocateBrokerResponse_Resource) ProtoMessage() {}
func (*LocateBrokerResponse_Resource) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{38, 0}
}
func (m *LocateBrokerResponse_Resource) GetGrpcAddresses() string {
if m != nil {
return m.GrpcAddresses
}
return ""
}
func (m *LocateBrokerResponse_Resource) GetResourceCount() int32 {
if m != nil {
return m.ResourceCount
}
return 0
}
func init() {
proto.RegisterType((*LookupDirectoryEntryRequest)(nil), "filer_pb.LookupDirectoryEntryRequest")
proto.RegisterType((*LookupDirectoryEntryResponse)(nil), "filer_pb.LookupDirectoryEntryResponse")
@ -1264,6 +1376,11 @@ func init() {
proto.RegisterType((*SubscribeMetadataRequest)(nil), "filer_pb.SubscribeMetadataRequest")
proto.RegisterType((*SubscribeMetadataResponse)(nil), "filer_pb.SubscribeMetadataResponse")
proto.RegisterType((*LogEntry)(nil), "filer_pb.LogEntry")
proto.RegisterType((*KeepConnectedRequest)(nil), "filer_pb.KeepConnectedRequest")
proto.RegisterType((*KeepConnectedResponse)(nil), "filer_pb.KeepConnectedResponse")
proto.RegisterType((*LocateBrokerRequest)(nil), "filer_pb.LocateBrokerRequest")
proto.RegisterType((*LocateBrokerResponse)(nil), "filer_pb.LocateBrokerResponse")
proto.RegisterType((*LocateBrokerResponse_Resource)(nil), "filer_pb.LocateBrokerResponse.Resource")
}
// Reference imports to suppress errors if they are not otherwise used.
@ -1290,6 +1407,8 @@ type SeaweedFilerClient interface {
Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
GetFilerConfiguration(ctx context.Context, in *GetFilerConfigurationRequest, opts ...grpc.CallOption) (*GetFilerConfigurationResponse, error)
SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error)
KeepConnected(ctx context.Context, opts ...grpc.CallOption) (SeaweedFiler_KeepConnectedClient, error)
LocateBroker(ctx context.Context, in *LocateBrokerRequest, opts ...grpc.CallOption) (*LocateBrokerResponse, error)
}
type seaweedFilerClient struct {
@ -1463,6 +1582,46 @@ func (x *seaweedFilerSubscribeMetadataClient) Recv() (*SubscribeMetadataResponse
return m, nil
}
func (c *seaweedFilerClient) KeepConnected(ctx context.Context, opts ...grpc.CallOption) (SeaweedFiler_KeepConnectedClient, error) {
stream, err := grpc.NewClientStream(ctx, &_SeaweedFiler_serviceDesc.Streams[2], c.cc, "/filer_pb.SeaweedFiler/KeepConnected", opts...)
if err != nil {
return nil, err
}
x := &seaweedFilerKeepConnectedClient{stream}
return x, nil
}
type SeaweedFiler_KeepConnectedClient interface {
Send(*KeepConnectedRequest) error
Recv() (*KeepConnectedResponse, error)
grpc.ClientStream
}
type seaweedFilerKeepConnectedClient struct {
grpc.ClientStream
}
func (x *seaweedFilerKeepConnectedClient) Send(m *KeepConnectedRequest) error {
return x.ClientStream.SendMsg(m)
}
func (x *seaweedFilerKeepConnectedClient) Recv() (*KeepConnectedResponse, error) {
m := new(KeepConnectedResponse)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *seaweedFilerClient) LocateBroker(ctx context.Context, in *LocateBrokerRequest, opts ...grpc.CallOption) (*LocateBrokerResponse, error) {
out := new(LocateBrokerResponse)
err := grpc.Invoke(ctx, "/filer_pb.SeaweedFiler/LocateBroker", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for SeaweedFiler service
type SeaweedFilerServer interface {
@ -1479,6 +1638,8 @@ type SeaweedFilerServer interface {
Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error)
SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error
KeepConnected(SeaweedFiler_KeepConnectedServer) error
LocateBroker(context.Context, *LocateBrokerRequest) (*LocateBrokerResponse, error)
}
func RegisterSeaweedFilerServer(s *grpc.Server, srv SeaweedFilerServer) {
@ -1725,6 +1886,50 @@ func (x *seaweedFilerSubscribeMetadataServer) Send(m *SubscribeMetadataResponse)
return x.ServerStream.SendMsg(m)
}
func _SeaweedFiler_KeepConnected_Handler(srv interface{}, stream grpc.ServerStream) error {
return srv.(SeaweedFilerServer).KeepConnected(&seaweedFilerKeepConnectedServer{stream})
}
type SeaweedFiler_KeepConnectedServer interface {
Send(*KeepConnectedResponse) error
Recv() (*KeepConnectedRequest, error)
grpc.ServerStream
}
type seaweedFilerKeepConnectedServer struct {
grpc.ServerStream
}
func (x *seaweedFilerKeepConnectedServer) Send(m *KeepConnectedResponse) error {
return x.ServerStream.SendMsg(m)
}
func (x *seaweedFilerKeepConnectedServer) Recv() (*KeepConnectedRequest, error) {
m := new(KeepConnectedRequest)
if err := x.ServerStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func _SeaweedFiler_LocateBroker_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(LocateBrokerRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(SeaweedFilerServer).LocateBroker(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/filer_pb.SeaweedFiler/LocateBroker",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(SeaweedFilerServer).LocateBroker(ctx, req.(*LocateBrokerRequest))
}
return interceptor(ctx, in, info, handler)
}
var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
ServiceName: "filer_pb.SeaweedFiler",
HandlerType: (*SeaweedFilerServer)(nil),
@ -1773,6 +1978,10 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
MethodName: "GetFilerConfiguration",
Handler: _SeaweedFiler_GetFilerConfiguration_Handler,
},
{
MethodName: "LocateBroker",
Handler: _SeaweedFiler_LocateBroker_Handler,
},
},
Streams: []grpc.StreamDesc{
{
@ -1785,6 +1994,12 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
Handler: _SeaweedFiler_SubscribeMetadata_Handler,
ServerStreams: true,
},
{
StreamName: "KeepConnected",
Handler: _SeaweedFiler_KeepConnected_Handler,
ServerStreams: true,
ClientStreams: true,
},
},
Metadata: "filer.proto",
}
@ -1792,128 +2007,139 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("filer.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
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}

4
weed/pb/filer_pb/filer_client.go
View file

@ -83,10 +83,12 @@ func doList(filerClient FilerClient, fullDirPath util.FullPath, prefix string, f
}
glog.V(3).Infof("read directory: %v", request)
stream, err := client.ListEntries(context.Background(), request)
ctx, cancel := context.WithCancel(context.Background())
stream, err := client.ListEntries(ctx, request)
if err != nil {
return fmt.Errorf("list %s: %v", fullDirPath, err)
}
defer cancel()
var prevEntry *Entry
for {

30
weed/pb/messaging.proto
View file

@ -15,12 +15,18 @@ service SeaweedMessaging {
rpc Publish (stream PublishRequest) returns (stream PublishResponse) {
}
rpc DeleteTopic (DeleteTopicRequest) returns (DeleteTopicResponse) {
}
rpc ConfigureTopic (ConfigureTopicRequest) returns (ConfigureTopicResponse) {
}
rpc GetTopicConfiguration (GetTopicConfigurationRequest) returns (GetTopicConfigurationResponse) {
}
rpc FindBroker (FindBrokerRequest) returns (FindBrokerResponse) {
}
}
//////////////////////////////////////////////////
@ -44,6 +50,7 @@ message SubscriberMessage {
int64 message_id = 1;
}
AckMessage ack = 2;
bool is_close = 3;
}
message Message {
@ -51,14 +58,11 @@ message Message {
bytes key = 2; // Message key
bytes value = 3; // Message payload
map<string, bytes> headers = 4; // Message headers
bool is_close = 5;
}
message BrokerMessage {
Message data = 1;
message RedirectMessage {
string new_broker = 1;
}
RedirectMessage redirect = 2;
}
message PublishRequest {
@ -80,6 +84,14 @@ message PublishResponse {
string new_broker = 1;
}
RedirectMessage redirect = 2;
bool is_closed = 3;
}
message DeleteTopicRequest {
string namespace = 1;
string topic = 2;
}
message DeleteTopicResponse {
}
message ConfigureTopicRequest {
@ -98,6 +110,16 @@ message GetTopicConfigurationResponse {
TopicConfiguration configuration = 1;
}
message FindBrokerRequest {
string namespace = 1;
string topic = 2;
int32 parition = 3;
}
message FindBrokerResponse {
string broker = 1;
}
message TopicConfiguration {
int32 partition_count = 1;
string collection = 2;

339
weed/pb/messaging_pb/messaging.pb.go
View file

@ -14,10 +14,14 @@ It has these top-level messages:
BrokerMessage
PublishRequest
PublishResponse
DeleteTopicRequest
DeleteTopicResponse
ConfigureTopicRequest
ConfigureTopicResponse
GetTopicConfigurationRequest
GetTopicConfigurationResponse
FindBrokerRequest
FindBrokerResponse
TopicConfiguration
*/
package messaging_pb
@ -91,12 +95,13 @@ func (x TopicConfiguration_Partitioning) String() string {
return proto.EnumName(TopicConfiguration_Partitioning_name, int32(x))
}
func (TopicConfiguration_Partitioning) EnumDescriptor() ([]byte, []int) {
return fileDescriptor0, []int{9, 0}
return fileDescriptor0, []int{13, 0}
}
type SubscriberMessage struct {
Init *SubscriberMessage_InitMessage `protobuf:"bytes,1,opt,name=init" json:"init,omitempty"`
Ack *SubscriberMessage_AckMessage `protobuf:"bytes,2,opt,name=ack" json:"ack,omitempty"`
IsClose bool `protobuf:"varint,3,opt,name=is_close,json=isClose" json:"is_close,omitempty"`
}
func (m *SubscriberMessage) Reset() { *m = SubscriberMessage{} }
@ -118,6 +123,13 @@ func (m *SubscriberMessage) GetAck() *SubscriberMessage_AckMessage {
return nil
}
func (m *SubscriberMessage) GetIsClose() bool {
if m != nil {
return m.IsClose
}
return false
}
type SubscriberMessage_InitMessage struct {
Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
Topic string `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
@ -197,6 +209,7 @@ type Message struct {
Key []byte `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
Value []byte `protobuf:"bytes,3,opt,name=value,proto3" json:"value,omitempty"`
Headers map[string][]byte `protobuf:"bytes,4,rep,name=headers" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value,proto3"`
IsClose bool `protobuf:"varint,5,opt,name=is_close,json=isClose" json:"is_close,omitempty"`
}
func (m *Message) Reset() { *m = Message{} }
@ -232,9 +245,15 @@ func (m *Message) GetHeaders() map[string][]byte {
return nil
}
func (m *Message) GetIsClose() bool {
if m != nil {
return m.IsClose
}
return false
}
type BrokerMessage struct {
Data *Message `protobuf:"bytes,1,opt,name=data" json:"data,omitempty"`
Redirect *BrokerMessage_RedirectMessage `protobuf:"bytes,2,opt,name=redirect" json:"redirect,omitempty"`
}
func (m *BrokerMessage) Reset() { *m = BrokerMessage{} }
@ -249,31 +268,6 @@ func (m *BrokerMessage) GetData() *Message {
return nil
}
func (m *BrokerMessage) GetRedirect() *BrokerMessage_RedirectMessage {
if m != nil {
return m.Redirect
}
return nil
}
type BrokerMessage_RedirectMessage struct {
NewBroker string `protobuf:"bytes,1,opt,name=new_broker,json=newBroker" json:"new_broker,omitempty"`
}
func (m *BrokerMessage_RedirectMessage) Reset() { *m = BrokerMessage_RedirectMessage{} }
func (m *BrokerMessage_RedirectMessage) String() string { return proto.CompactTextString(m) }
func (*BrokerMessage_RedirectMessage) ProtoMessage() {}
func (*BrokerMessage_RedirectMessage) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{2, 0}
}
func (m *BrokerMessage_RedirectMessage) GetNewBroker() string {
if m != nil {
return m.NewBroker
}
return ""
}
type PublishRequest struct {
Init *PublishRequest_InitMessage `protobuf:"bytes,1,opt,name=init" json:"init,omitempty"`
Data *Message `protobuf:"bytes,2,opt,name=data" json:"data,omitempty"`
@ -333,6 +327,7 @@ func (m *PublishRequest_InitMessage) GetPartition() int32 {
type PublishResponse struct {
Config *PublishResponse_ConfigMessage `protobuf:"bytes,1,opt,name=config" json:"config,omitempty"`
Redirect *PublishResponse_RedirectMessage `protobuf:"bytes,2,opt,name=redirect" json:"redirect,omitempty"`
IsClosed bool `protobuf:"varint,3,opt,name=is_closed,json=isClosed" json:"is_closed,omitempty"`
}
func (m *PublishResponse) Reset() { *m = PublishResponse{} }
@ -354,6 +349,13 @@ func (m *PublishResponse) GetRedirect() *PublishResponse_RedirectMessage {
return nil
}
func (m *PublishResponse) GetIsClosed() bool {
if m != nil {
return m.IsClosed
}
return false
}
type PublishResponse_ConfigMessage struct {
PartitionCount int32 `protobuf:"varint,1,opt,name=partition_count,json=partitionCount" json:"partition_count,omitempty"`
}
@ -390,6 +392,38 @@ func (m *PublishResponse_RedirectMessage) GetNewBroker() string {
return ""
}
type DeleteTopicRequest struct {
Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
Topic string `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
}
func (m *DeleteTopicRequest) Reset() { *m = DeleteTopicRequest{} }
func (m *DeleteTopicRequest) String() string { return proto.CompactTextString(m) }
func (*DeleteTopicRequest) ProtoMessage() {}
func (*DeleteTopicRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
func (m *DeleteTopicRequest) GetNamespace() string {
if m != nil {
return m.Namespace
}
return ""
}
func (m *DeleteTopicRequest) GetTopic() string {
if m != nil {
return m.Topic
}
return ""
}
type DeleteTopicResponse struct {
}
func (m *DeleteTopicResponse) Reset() { *m = DeleteTopicResponse{} }
func (m *DeleteTopicResponse) String() string { return proto.CompactTextString(m) }
func (*DeleteTopicResponse) ProtoMessage() {}
func (*DeleteTopicResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
type ConfigureTopicRequest struct {
Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
Topic string `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
@ -399,7 +433,7 @@ type ConfigureTopicRequest struct {
func (m *ConfigureTopicRequest) Reset() { *m = ConfigureTopicRequest{} }
func (m *ConfigureTopicRequest) String() string { return proto.CompactTextString(m) }
func (*ConfigureTopicRequest) ProtoMessage() {}
func (*ConfigureTopicRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
func (*ConfigureTopicRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
func (m *ConfigureTopicRequest) GetNamespace() string {
if m != nil {
@ -428,7 +462,7 @@ type ConfigureTopicResponse struct {
func (m *ConfigureTopicResponse) Reset() { *m = ConfigureTopicResponse{} }
func (m *ConfigureTopicResponse) String() string { return proto.CompactTextString(m) }
func (*ConfigureTopicResponse) ProtoMessage() {}
func (*ConfigureTopicResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
func (*ConfigureTopicResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
type GetTopicConfigurationRequest struct {
Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
@ -438,7 +472,7 @@ type GetTopicConfigurationRequest struct {
func (m *GetTopicConfigurationRequest) Reset() { *m = GetTopicConfigurationRequest{} }
func (m *GetTopicConfigurationRequest) String() string { return proto.CompactTextString(m) }
func (*GetTopicConfigurationRequest) ProtoMessage() {}
func (*GetTopicConfigurationRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
func (*GetTopicConfigurationRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
func (m *GetTopicConfigurationRequest) GetNamespace() string {
if m != nil {
@ -461,7 +495,7 @@ type GetTopicConfigurationResponse struct {
func (m *GetTopicConfigurationResponse) Reset() { *m = GetTopicConfigurationResponse{} }
func (m *GetTopicConfigurationResponse) String() string { return proto.CompactTextString(m) }
func (*GetTopicConfigurationResponse) ProtoMessage() {}
func (*GetTopicConfigurationResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
func (*GetTopicConfigurationResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
func (m *GetTopicConfigurationResponse) GetConfiguration() *TopicConfiguration {
if m != nil {
@ -470,6 +504,54 @@ func (m *GetTopicConfigurationResponse) GetConfiguration() *TopicConfiguration {
return nil
}
type FindBrokerRequest struct {
Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
Topic string `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
Parition int32 `protobuf:"varint,3,opt,name=parition" json:"parition,omitempty"`
}
func (m *FindBrokerRequest) Reset() { *m = FindBrokerRequest{} }
func (m *FindBrokerRequest) String() string { return proto.CompactTextString(m) }
func (*FindBrokerRequest) ProtoMessage() {}
func (*FindBrokerRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
func (m *FindBrokerRequest) GetNamespace() string {
if m != nil {
return m.Namespace
}
return ""
}
func (m *FindBrokerRequest) GetTopic() string {
if m != nil {
return m.Topic
}
return ""
}
func (m *FindBrokerRequest) GetParition() int32 {
if m != nil {
return m.Parition
}
return 0
}
type FindBrokerResponse struct {
Broker string `protobuf:"bytes,1,opt,name=broker" json:"broker,omitempty"`
}
func (m *FindBrokerResponse) Reset() { *m = FindBrokerResponse{} }
func (m *FindBrokerResponse) String() string { return proto.CompactTextString(m) }
func (*FindBrokerResponse) ProtoMessage() {}
func (*FindBrokerResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} }
func (m *FindBrokerResponse) GetBroker() string {
if m != nil {
return m.Broker
}
return ""
}
type TopicConfiguration struct {
PartitionCount int32 `protobuf:"varint,1,opt,name=partition_count,json=partitionCount" json:"partition_count,omitempty"`
Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
@ -481,7 +563,7 @@ type TopicConfiguration struct {
func (m *TopicConfiguration) Reset() { *m = TopicConfiguration{} }
func (m *TopicConfiguration) String() string { return proto.CompactTextString(m) }
func (*TopicConfiguration) ProtoMessage() {}
func (*TopicConfiguration) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
func (*TopicConfiguration) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} }
func (m *TopicConfiguration) GetPartitionCount() int32 {
if m != nil {
@ -524,16 +606,19 @@ func init() {
proto.RegisterType((*SubscriberMessage_AckMessage)(nil), "messaging_pb.SubscriberMessage.AckMessage")
proto.RegisterType((*Message)(nil), "messaging_pb.Message")
proto.RegisterType((*BrokerMessage)(nil), "messaging_pb.BrokerMessage")
proto.RegisterType((*BrokerMessage_RedirectMessage)(nil), "messaging_pb.BrokerMessage.RedirectMessage")
proto.RegisterType((*PublishRequest)(nil), "messaging_pb.PublishRequest")
proto.RegisterType((*PublishRequest_InitMessage)(nil), "messaging_pb.PublishRequest.InitMessage")
proto.RegisterType((*PublishResponse)(nil), "messaging_pb.PublishResponse")
proto.RegisterType((*PublishResponse_ConfigMessage)(nil), "messaging_pb.PublishResponse.ConfigMessage")
proto.RegisterType((*PublishResponse_RedirectMessage)(nil), "messaging_pb.PublishResponse.RedirectMessage")
proto.RegisterType((*DeleteTopicRequest)(nil), "messaging_pb.DeleteTopicRequest")
proto.RegisterType((*DeleteTopicResponse)(nil), "messaging_pb.DeleteTopicResponse")
proto.RegisterType((*ConfigureTopicRequest)(nil), "messaging_pb.ConfigureTopicRequest")
proto.RegisterType((*ConfigureTopicResponse)(nil), "messaging_pb.ConfigureTopicResponse")
proto.RegisterType((*GetTopicConfigurationRequest)(nil), "messaging_pb.GetTopicConfigurationRequest")
proto.RegisterType((*GetTopicConfigurationResponse)(nil), "messaging_pb.GetTopicConfigurationResponse")
proto.RegisterType((*FindBrokerRequest)(nil), "messaging_pb.FindBrokerRequest")
proto.RegisterType((*FindBrokerResponse)(nil), "messaging_pb.FindBrokerResponse")
proto.RegisterType((*TopicConfiguration)(nil), "messaging_pb.TopicConfiguration")
proto.RegisterEnum("messaging_pb.SubscriberMessage_InitMessage_StartPosition", SubscriberMessage_InitMessage_StartPosition_name, SubscriberMessage_InitMessage_StartPosition_value)
proto.RegisterEnum("messaging_pb.TopicConfiguration_Partitioning", TopicConfiguration_Partitioning_name, TopicConfiguration_Partitioning_value)
@ -552,8 +637,10 @@ const _ = grpc.SupportPackageIsVersion4
type SeaweedMessagingClient interface {
Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error)
Publish(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_PublishClient, error)
DeleteTopic(ctx context.Context, in *DeleteTopicRequest, opts ...grpc.CallOption) (*DeleteTopicResponse, error)
ConfigureTopic(ctx context.Context, in *ConfigureTopicRequest, opts ...grpc.CallOption) (*ConfigureTopicResponse, error)
GetTopicConfiguration(ctx context.Context, in *GetTopicConfigurationRequest, opts ...grpc.CallOption) (*GetTopicConfigurationResponse, error)
FindBroker(ctx context.Context, in *FindBrokerRequest, opts ...grpc.CallOption) (*FindBrokerResponse, error)
}
type seaweedMessagingClient struct {
@ -626,6 +713,15 @@ func (x *seaweedMessagingPublishClient) Recv() (*PublishResponse, error) {
return m, nil
}
func (c *seaweedMessagingClient) DeleteTopic(ctx context.Context, in *DeleteTopicRequest, opts ...grpc.CallOption) (*DeleteTopicResponse, error) {
out := new(DeleteTopicResponse)
err := grpc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/DeleteTopic", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *seaweedMessagingClient) ConfigureTopic(ctx context.Context, in *ConfigureTopicRequest, opts ...grpc.CallOption) (*ConfigureTopicResponse, error) {
out := new(ConfigureTopicResponse)
err := grpc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/ConfigureTopic", in, out, c.cc, opts...)
@ -644,13 +740,24 @@ func (c *seaweedMessagingClient) GetTopicConfiguration(ctx context.Context, in *
return out, nil
}
func (c *seaweedMessagingClient) FindBroker(ctx context.Context, in *FindBrokerRequest, opts ...grpc.CallOption) (*FindBrokerResponse, error) {
out := new(FindBrokerResponse)
err := grpc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/FindBroker", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for SeaweedMessaging service
type SeaweedMessagingServer interface {
Subscribe(SeaweedMessaging_SubscribeServer) error
Publish(SeaweedMessaging_PublishServer) error
DeleteTopic(context.Context, *DeleteTopicRequest) (*DeleteTopicResponse, error)
ConfigureTopic(context.Context, *ConfigureTopicRequest) (*ConfigureTopicResponse, error)
GetTopicConfiguration(context.Context, *GetTopicConfigurationRequest) (*GetTopicConfigurationResponse, error)
FindBroker(context.Context, *FindBrokerRequest) (*FindBrokerResponse, error)
}
func RegisterSeaweedMessagingServer(s *grpc.Server, srv SeaweedMessagingServer) {
@ -709,6 +816,24 @@ func (x *seaweedMessagingPublishServer) Recv() (*PublishRequest, error) {
return m, nil
}
func _SeaweedMessaging_DeleteTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(DeleteTopicRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(SeaweedMessagingServer).DeleteTopic(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/messaging_pb.SeaweedMessaging/DeleteTopic",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(SeaweedMessagingServer).DeleteTopic(ctx, req.(*DeleteTopicRequest))
}
return interceptor(ctx, in, info, handler)
}
func _SeaweedMessaging_ConfigureTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(ConfigureTopicRequest)
if err := dec(in); err != nil {
@ -745,10 +870,32 @@ func _SeaweedMessaging_GetTopicConfiguration_Handler(srv interface{}, ctx contex
return interceptor(ctx, in, info, handler)
}
func _SeaweedMessaging_FindBroker_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(FindBrokerRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(SeaweedMessagingServer).FindBroker(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/messaging_pb.SeaweedMessaging/FindBroker",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(SeaweedMessagingServer).FindBroker(ctx, req.(*FindBrokerRequest))
}
return interceptor(ctx, in, info, handler)
}
var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
ServiceName: "messaging_pb.SeaweedMessaging",
HandlerType: (*SeaweedMessagingServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "DeleteTopic",
Handler: _SeaweedMessaging_DeleteTopic_Handler,
},
{
MethodName: "ConfigureTopic",
Handler: _SeaweedMessaging_ConfigureTopic_Handler,
@ -757,6 +904,10 @@ var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
MethodName: "GetTopicConfiguration",
Handler: _SeaweedMessaging_GetTopicConfiguration_Handler,
},
{
MethodName: "FindBroker",
Handler: _SeaweedMessaging_FindBroker_Handler,
},
},
Streams: []grpc.StreamDesc{
{
@ -778,62 +929,68 @@ var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("messaging.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
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}

12
weed/pb/volume_server_pb/volume_server.pb.go
View file

@ -1054,9 +1054,7 @@ type VolumeEcShardsGenerateResponse struct {
func (m *VolumeEcShardsGenerateResponse) Reset() { *m = VolumeEcShardsGenerateResponse{} }
func (m *VolumeEcShardsGenerateResponse) String() string { return proto.CompactTextString(m) }
func (*VolumeEcShardsGenerateResponse) ProtoMessage() {}
func (*VolumeEcShardsGenerateResponse) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{41}
}
func (*VolumeEcShardsGenerateResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{41} }
type VolumeEcShardsRebuildRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
@ -1432,9 +1430,7 @@ type VolumeEcShardsToVolumeResponse struct {
func (m *VolumeEcShardsToVolumeResponse) Reset() { *m = VolumeEcShardsToVolumeResponse{} }
func (m *VolumeEcShardsToVolumeResponse) String() string { return proto.CompactTextString(m) }
func (*VolumeEcShardsToVolumeResponse) ProtoMessage() {}
func (*VolumeEcShardsToVolumeResponse) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{57}
}
func (*VolumeEcShardsToVolumeResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{57} }
type ReadVolumeFileStatusRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
@ -2101,9 +2097,7 @@ type QueryRequest_InputSerialization_JSONInput struct {
func (m *QueryRequest_InputSerialization_JSONInput) Reset() {
*m = QueryRequest_InputSerialization_JSONInput{}
}
func (m *QueryRequest_InputSerialization_JSONInput) String() string {
return proto.CompactTextString(m)
}
func (m *QueryRequest_InputSerialization_JSONInput) String() string { return proto.CompactTextString(m) }
func (*QueryRequest_InputSerialization_JSONInput) ProtoMessage() {}
func (*QueryRequest_InputSerialization_JSONInput) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{70, 1, 1}

72
weed/server/filer_grpc_server.go
View file

@ -381,3 +381,75 @@ func (fs *FilerServer) GetFilerConfiguration(ctx context.Context, req *filer_pb.
return t, nil
}
func (fs *FilerServer) KeepConnected(stream filer_pb.SeaweedFiler_KeepConnectedServer) error {
req, err := stream.Recv()
if err != nil {
return err
}
clientName := fmt.Sprintf("%s:%d", req.Name, req.GrpcPort)
m := make(map[string]bool)
for _, tp := range req.Resources {
m[tp] = true
}
fs.brokersLock.Lock()
fs.brokers[clientName] = m
glog.V(0).Infof("+ broker %v", clientName)
fs.brokersLock.Unlock()
defer func() {
fs.brokersLock.Lock()
delete(fs.brokers, clientName)
glog.V(0).Infof("- broker %v: %v", clientName, err)
fs.brokersLock.Unlock()
}()
for {
if err := stream.Send(&filer_pb.KeepConnectedResponse{}); err != nil {
glog.V(0).Infof("send broker %v: %+v", clientName, err)
return err
}
// println("replied")
if _, err := stream.Recv(); err != nil {
glog.V(0).Infof("recv broker %v: %v", clientName, err)
return err
}
// println("received")
}
}
func (fs *FilerServer) LocateBroker(ctx context.Context, req *filer_pb.LocateBrokerRequest) (resp *filer_pb.LocateBrokerResponse, err error) {
resp = &filer_pb.LocateBrokerResponse{}
fs.brokersLock.Lock()
defer fs.brokersLock.Unlock()
var localBrokers []*filer_pb.LocateBrokerResponse_Resource
for b, m := range fs.brokers {
if _, found := m[req.Resource]; found {
resp.Found = true
resp.Resources = []*filer_pb.LocateBrokerResponse_Resource{
{
GrpcAddresses: b,
ResourceCount: int32(len(m)),
},
}
return
}
localBrokers = append(localBrokers, &filer_pb.LocateBrokerResponse_Resource{
GrpcAddresses: b,
ResourceCount: int32(len(m)),
})
}
resp.Resources = localBrokers
return resp, nil
}

2
weed/server/filer_grpc_server_listen.go
View file

@ -82,7 +82,7 @@ func (fs *FilerServer) SubscribeMetadata(req *filer_pb.SubscribeMetadataRequest,
lastReadTime = time.Unix(0, processedTsNs)
}
_, err := fs.filer.MetaLogBuffer.LoopProcessLogData(lastReadTime, func() bool {
err := fs.filer.MetaLogBuffer.LoopProcessLogData(lastReadTime, func() bool {
fs.listenersLock.Lock()
fs.listenersCond.Wait()
fs.listenersLock.Unlock()

7
weed/server/filer_server.go
View file

@ -8,9 +8,10 @@ import (
"sync"
"time"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
@ -62,6 +63,9 @@ type FilerServer struct {
// notifying clients
listenersLock sync.Mutex
listenersCond *sync.Cond
brokers map[string]map[string]bool
brokersLock sync.Mutex
}
func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) {
@ -69,6 +73,7 @@ func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption)
fs = &FilerServer{
option: option,
grpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.filer"),
brokers: make(map[string]map[string]bool),
}
fs.listenersCond = sync.NewCond(&fs.listenersLock)

21
weed/util/log_buffer/log_buffer.go
View file

@ -34,6 +34,7 @@ type LogBuffer struct {
notifyFn func()
isStopping bool
flushChan chan *dataToFlush
lastTsNs int64
sync.RWMutex
}
@ -64,8 +65,15 @@ func (m *LogBuffer) AddToBuffer(partitionKey, data []byte) {
// need to put the timestamp inside the lock
ts := time.Now()
tsNs := ts.UnixNano()
if m.lastTsNs >= tsNs {
// this is unlikely to happen, but just in case
tsNs = m.lastTsNs + 1
ts = time.Unix(0, tsNs)
}
m.lastTsNs = tsNs
logEntry := &filer_pb.LogEntry{
TsNs: ts.UnixNano(),
TsNs: tsNs,
PartitionKeyHash: util.HashToInt32(partitionKey),
Data: data,
}
@ -98,13 +106,14 @@ func (m *LogBuffer) AddToBuffer(partitionKey, data []byte) {
}
func (m *LogBuffer) Shutdown() {
m.Lock()
defer m.Unlock()
if m.isStopping {
return
}
m.isStopping = true
m.Lock()
toFlush := m.copyToFlush()
m.Unlock()
m.flushChan <- toFlush
close(m.flushChan)
}
@ -123,10 +132,14 @@ func (m *LogBuffer) loopInterval() {
for !m.isStopping {
time.Sleep(m.flushInterval)
m.Lock()
if m.isStopping {
m.Unlock()
return
}
// println("loop interval")
toFlush := m.copyToFlush()
m.Unlock()
m.flushChan <- toFlush
m.Unlock()
}
}

8
weed/util/log_buffer/log_read.go
View file

@ -12,8 +12,9 @@ import (
)
func (logBuffer *LogBuffer) LoopProcessLogData(
startTreadTime time.Time, waitForDataFn func() bool,
eachLogDataFn func(logEntry *filer_pb.LogEntry) error) (processed int64, err error) {
startTreadTime time.Time,
waitForDataFn func() bool,
eachLogDataFn func(logEntry *filer_pb.LogEntry) error) (err error) {
// loop through all messages
var bytesBuf *bytes.Buffer
lastReadTime := startTreadTime
@ -29,6 +30,7 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
logBuffer.ReleaseMeory(bytesBuf)
}
bytesBuf = logBuffer.ReadFromBuffer(lastReadTime)
// fmt.Printf("ReadFromBuffer by %v\n", lastReadTime)
if bytesBuf == nil {
if waitForDataFn() {
continue
@ -38,6 +40,7 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
}
buf := bytesBuf.Bytes()
// fmt.Printf("ReadFromBuffer by %v size %d\n", lastReadTime, len(buf))
batchSize := 0
var startReadTime time.Time
@ -66,7 +69,6 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
pos += 4 + int(size)
batchSize++
processed++
}
// fmt.Printf("sent message ts[%d,%d] size %d\n", startReadTime.UnixNano(), lastReadTime.UnixNano(), batchSize)