add broker connects to filer

This commit is contained in:
Chris Lu 2020-05-05 02:05:28 -07:00
parent 47234760f4
commit 1e3e4b3072
17 changed files with 761 additions and 327 deletions

View file

@ -48,6 +48,8 @@ service SeaweedFiler {
rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
}
rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
}
}
//////////////////////////////////////////////////
@ -261,3 +263,10 @@ message LogEntry {
int32 partition_key_hash = 2;
bytes data = 3;
}
message KeepConnectedRequest {
string name = 1;
uint32 grpc_port = 2;
}
message KeepConnectedResponse {
}

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)

View file

@ -0,0 +1,87 @@
package broker
import (
"context"
"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) {
panic("implement me")
}
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
}

View file

@ -38,7 +38,6 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
}
if err = stream.Send(&messaging_pb.BrokerMessage{
Redirect: nil,
}); err != nil {
return err
}

View file

@ -16,6 +16,7 @@ type MessageBrokerOption struct {
Filers []string
DefaultReplication string
MaxMB int
Ip string
Port int
Cipher bool
}
@ -37,73 +38,44 @@ func NewMessageBroker(option *MessageBrokerOption, grpcDialOption grpc.DialOptio
messageBroker.checkPeers()
// go messageBroker.loopForEver()
go messageBroker.keepConnectedToOneFiler()
return messageBroker, nil
}
func (broker *MessageBroker) loopForEver() {
func (broker *MessageBroker) keepConnectedToOneFiler() {
for {
broker.checkPeers()
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{})
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
}
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
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")
}
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)
time.Sleep(3*time.Second)
}
}
glog.V(0).Infof("received filer list: %s", filers)
broker.option.Filers = filers
}

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
}

View file

@ -0,0 +1,56 @@
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)
}

View file

@ -0,0 +1,96 @@
package msgclient
import (
"io"
"log"
"time"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
type PubChannel struct {
client messaging_pb.SeaweedMessaging_PublishClient
}
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,
}, nil
}
func (pc *PubChannel) Publish(m []byte) error {
return pc.client.Send(&messaging_pb.PublishRequest{
Data: &messaging_pb.Message{
Value: m,
},
})
}
func (pc *PubChannel) Close() error {
return pc.client.CloseSend()
}
type SubChannel struct {
ch chan []byte
stream messaging_pb.SeaweedMessaging_SubscribeClient
}
func (mc *MessagingClient) NewSubChannel(chanName string) (*SubChannel, error) {
tp := broker.TopicPartition{
Namespace: "chan",
Topic: chanName,
Partition: 0,
}
grpcConnection, err := mc.findBroker(tp)
if err != nil {
return nil, err
}
sc, err := setupSubscriberClient(grpcConnection, "", "chan", chanName, 0, time.Unix(0,0))
if err != nil {
return nil, err
}
t := &SubChannel{
ch: make(chan []byte),
stream: sc,
}
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.IsClose {
close(t.ch)
return
}
if resp.Data != nil {
t.ch <- resp.Data.Value
}
}
}()
return t, nil
}
func (sc *SubChannel) Channel() chan []byte {
return sc.ch
}

View file

@ -1,10 +1,12 @@
package client
package msgclient
import (
"context"
"github.com/OneOfOne/xxhash"
"github.com/chrislusf/seaweedfs/weed/messaging/broker"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
@ -34,9 +36,9 @@ 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 +46,9 @@ 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 {

View file

@ -1,4 +1,4 @@
package client
package msgclient
import (
"context"
@ -36,9 +36,22 @@ func (mc *MessagingClient) NewSubscriber(subscriberId, namespace, topic string,
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())
stream, newBroker, err := mc.initSubscriberClient(subscriberId, namespace, topic, partition, startTime)
if err != nil {
return nil, err
return client, err
}
if newBroker != nil {
}
return stream, nil
}
func setupSubscriberClient(grpcConnection *grpc.ClientConn, subscriberId string, namespace string, topic string, partition int32, startTime time.Time) (stream messaging_pb.SeaweedMessaging_SubscribeClient, err error) {
stream, err = messaging_pb.NewSeaweedMessagingClient(grpcConnection).Subscribe(context.Background())
if err != nil {
return
}
// send init message
@ -53,20 +66,18 @@ func (mc *MessagingClient) setupSubscriberClient(subscriberId, namespace, topic
},
})
if err != nil {
return nil, err
return
}
// process init response
initResponse, err := stream.Recv()
if err != nil {
return nil, err
return
}
if initResponse.Redirect != nil {
// TODO follow redirection
}
return stream, nil
}
func (s *Subscriber) doSubscribe(partition int, processFn func(m *messaging_pb.Message)) error {

View file

@ -48,6 +48,8 @@ service SeaweedFiler {
rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
}
rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
}
}
//////////////////////////////////////////////////
@ -261,3 +263,10 @@ message LogEntry {
int32 partition_key_hash = 2;
bytes data = 3;
}
message KeepConnectedRequest {
string name = 1;
uint32 grpc_port = 2;
}
message KeepConnectedResponse {
}

View file

@ -44,6 +44,8 @@ It has these top-level messages:
SubscribeMetadataRequest
SubscribeMetadataResponse
LogEntry
KeepConnectedRequest
KeepConnectedResponse
*/
package filer_pb
@ -1228,6 +1230,38 @@ 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"`
}
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
}
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} }
func init() {
proto.RegisterType((*LookupDirectoryEntryRequest)(nil), "filer_pb.LookupDirectoryEntryRequest")
proto.RegisterType((*LookupDirectoryEntryResponse)(nil), "filer_pb.LookupDirectoryEntryResponse")
@ -1264,6 +1298,8 @@ 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")
}
// Reference imports to suppress errors if they are not otherwise used.
@ -1290,6 +1326,7 @@ 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)
}
type seaweedFilerClient struct {
@ -1463,6 +1500,37 @@ 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
}
// Server API for SeaweedFiler service
type SeaweedFilerServer interface {
@ -1479,6 +1547,7 @@ type SeaweedFilerServer interface {
Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error)
SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error
KeepConnected(SeaweedFiler_KeepConnectedServer) error
}
func RegisterSeaweedFilerServer(s *grpc.Server, srv SeaweedFilerServer) {
@ -1725,6 +1794,32 @@ 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
}
var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
ServiceName: "filer_pb.SeaweedFiler",
HandlerType: (*SeaweedFilerServer)(nil),
@ -1785,6 +1880,12 @@ 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 +1893,132 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("filer.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 1957 bytes of a gzipped FileDescriptorProto
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}

View file

@ -21,6 +21,9 @@ service SeaweedMessaging {
rpc GetTopicConfiguration (GetTopicConfigurationRequest) returns (GetTopicConfigurationResponse) {
}
rpc FindBroker (FindBrokerRequest) returns (FindBrokerResponse) {
}
}
//////////////////////////////////////////////////
@ -55,10 +58,7 @@ message Message {
message BrokerMessage {
Message data = 1;
message RedirectMessage {
string new_broker = 1;
}
RedirectMessage redirect = 2;
bool is_close = 2;
}
message PublishRequest {
@ -98,6 +98,16 @@ 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;

View file

@ -18,6 +18,8 @@ It has these top-level messages:
ConfigureTopicResponse
GetTopicConfigurationRequest
GetTopicConfigurationResponse
FindBrokerRequest
FindBrokerResponse
TopicConfiguration
*/
package messaging_pb
@ -91,7 +93,7 @@ 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{11, 0}
}
type SubscriberMessage struct {
@ -233,8 +235,8 @@ func (m *Message) GetHeaders() map[string][]byte {
}
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"`
Data *Message `protobuf:"bytes,1,opt,name=data" json:"data,omitempty"`
IsClose bool `protobuf:"varint,2,opt,name=is_close,json=isClose" json:"is_close,omitempty"`
}
func (m *BrokerMessage) Reset() { *m = BrokerMessage{} }
@ -249,29 +251,11 @@ func (m *BrokerMessage) GetData() *Message {
return nil
}
func (m *BrokerMessage) GetRedirect() *BrokerMessage_RedirectMessage {
func (m *BrokerMessage) GetIsClose() bool {
if m != nil {
return m.Redirect
return m.IsClose
}
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 ""
return false
}
type PublishRequest struct {
@ -470,6 +454,54 @@ 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{9} }
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{10} }
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 +513,7 @@ 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{11} }
func (m *TopicConfiguration) GetPartitionCount() int32 {
if m != nil {
@ -524,7 +556,6 @@ 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")
@ -534,6 +565,8 @@ func init() {
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)
@ -554,6 +587,7 @@ type SeaweedMessagingClient interface {
Publish(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_PublishClient, 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 {
@ -644,6 +678,15 @@ 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 {
@ -651,6 +694,7 @@ type SeaweedMessagingServer interface {
Publish(SeaweedMessaging_PublishServer) 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) {
@ -745,6 +789,24 @@ 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),
@ -757,6 +819,10 @@ var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
MethodName: "GetTopicConfiguration",
Handler: _SeaweedMessaging_GetTopicConfiguration_Handler,
},
{
MethodName: "FindBroker",
Handler: _SeaweedMessaging_FindBroker_Handler,
},
},
Streams: []grpc.StreamDesc{
{
@ -778,62 +844,65 @@ var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("messaging.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
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}

View file

@ -1051,12 +1051,10 @@ func (m *VolumeEcShardsGenerateRequest) GetCollection() string {
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 (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} }
type VolumeEcShardsRebuildRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
@ -1429,12 +1427,10 @@ func (m *VolumeEcShardsToVolumeRequest) GetCollection() string {
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 (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} }
type ReadVolumeFileStatusRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
@ -2101,10 +2097,8 @@ 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 (*QueryRequest_InputSerialization_JSONInput) ProtoMessage() {}
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}
}

View file

@ -381,3 +381,39 @@ 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)
fs.brokersLock.Lock()
fs.brokers[clientName] = true
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")
}
}

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]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]bool),
}
fs.listenersCond = sync.NewCond(&fs.listenersLock)