update messaging proto

weed/messaging/msg_broker_grpc_server.go

@@ -14,7 +14,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util/log_buffer"
 )
 
-func (broker *MessageBroker) Subscribe(request *messaging_pb.SubscribeRequest, server messaging_pb.SeaweedMessaging_SubscribeServer) error {
+func (broker *MessageBroker) Subscribe(server messaging_pb.SeaweedMessaging_SubscribeServer) error {
 	panic("implement me")
 }
 
@@ -28,14 +28,16 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
 	if err != nil {
 		return err
 	}
-	namespace, topic, partition := in.Namespace, in.Topic, in.Partition
+	namespace, topic, partition := in.Init.Namespace, in.Init.Topic, in.Init.Partition
 
 	updatesChan := make(chan int32)
 
 	go func() {
 		for update := range updatesChan {
 			if err := stream.Send(&messaging_pb.PublishResponse{
-				PartitionCount: update,
+				Config: &messaging_pb.PublishResponse_ConfigMessage{
+					PartitionCount: update,
+				},
 			}); err != nil {
 				glog.V(0).Infof("err sending publish response: %v", err)
 				return
@@ -73,9 +75,9 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
 
 		m := &messaging_pb.Message{
 			Timestamp: time.Now().UnixNano(),
-			Key:       in.Key,
+			Key:       in.Data.Key,
-			Value:     in.Value,
+			Value:     in.Data.Value,
-			Headers:   in.Headers,
+			Headers:   in.Data.Headers,
 		}
 
 		data, err := proto.Marshal(m)
@@ -84,7 +86,7 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
 			continue
 		}
 
-		logBuffer.AddToBuffer(in.Key, data)
+		logBuffer.AddToBuffer(in.Data.Key, data)
 
 	}
 }

weed/pb/messaging.proto

@@ -9,7 +9,7 @@ option java_outer_classname = "MessagingProto";
 
 service SeaweedMessaging {
 
-    rpc Subscribe (SubscribeRequest) returns (stream Message) {
+    rpc Subscribe (stream SubscriberMessage) returns (stream BrokerMessage) {
     }
 
     rpc Publish (stream PublishRequest) returns (stream PublishResponse) {
@@ -25,17 +25,25 @@ service SeaweedMessaging {
 
 //////////////////////////////////////////////////
 
-message SubscribeRequest {
+message SubscriberMessage {
-    string namespace = 1;
+    message InitMessage {
-    string topic = 2;
+        string namespace = 1;
-    int32 partition = 3;
+        string topic = 2;
-    enum StartPosition {
+        int32 partition = 3;
-        LATEST = 0; // Start at the newest message
+        enum StartPosition {
-        EARLIEST = 1; // Start at the oldest message
+            LATEST = 0; // Start at the newest message
-        TIMESTAMP = 2; // Start after a specified timestamp, exclusive
+            EARLIEST = 1; // Start at the oldest message
+            TIMESTAMP = 2; // Start after a specified timestamp, exclusive
+        }
+        StartPosition startPosition = 4; // Where to begin consuming from
+        int64 timestampNs = 5; // timestamp in nano seconds
+        string subscriber_id = 6; // uniquely identify a subscriber to track consumption
     }
-    StartPosition startPosition = 4; // Where to begin consuming from
+    InitMessage init = 1;
-    int64 timestampNs = 5; // timestamp in nano seconds
+    message AckMessage {
+        int64 message_id = 1;
+    }
+    AckMessage ack = 2;
 }
 
 message Message {
@@ -45,17 +53,38 @@ message Message {
     map<string, bytes> headers = 4; // Message headers
 }
 
+message BrokerMessage {
+    Message data = 1;
+    message RedirectMessage {
+        string new_broker = 1;
+    }
+    RedirectMessage redirect = 2;
+}
+
 message PublishRequest {
-    string namespace = 1; // only needed on the initial request
+    message InitMessage {
-    string topic = 2; // only needed on the initial request
+        string namespace = 1; // only needed on the initial request
-    int32 partition = 4;
+        string topic = 2; // only needed on the initial request
-    bytes key = 5; // Message key
+        int32 partition = 3;
-    bytes value = 6; // Message payload
+    }
-    map<string, bytes> headers = 7; // Message headers
+    InitMessage init = 1;
+    message DataMessage {
+        bytes key = 1; // Message key
+        bytes value = 2; // Message payload
+        map<string, bytes> headers = 3; // Message headers
+    }
+    DataMessage data = 2;
 }
 
 message PublishResponse {
-    int32 partition_count = 1;
+    message ConfigMessage {
+        int32 partition_count = 1;
+    }
+    ConfigMessage config = 1;
+    message RedirectMessage {
+        string new_broker = 1;
+    }
+    RedirectMessage redirect = 2;
 }
 
 message ConfigureTopicRequest {

weed/pb/messaging_pb/messaging.pb.go

@@ -9,8 +9,9 @@ It is generated from these files:
 	messaging.proto
 
 It has these top-level messages:
-	SubscribeRequest
+	SubscriberMessage
 	Message
+	BrokerMessage
 	PublishRequest
 	PublishResponse
 	ConfigureTopicRequest
@@ -40,80 +41,130 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 
-type SubscribeRequest_StartPosition int32
+type SubscriberMessage_InitMessage_StartPosition int32
 
 const (
-	SubscribeRequest_LATEST    SubscribeRequest_StartPosition = 0
+	SubscriberMessage_InitMessage_LATEST    SubscriberMessage_InitMessage_StartPosition = 0
-	SubscribeRequest_EARLIEST  SubscribeRequest_StartPosition = 1
+	SubscriberMessage_InitMessage_EARLIEST  SubscriberMessage_InitMessage_StartPosition = 1
-	SubscribeRequest_TIMESTAMP SubscribeRequest_StartPosition = 2
+	SubscriberMessage_InitMessage_TIMESTAMP SubscriberMessage_InitMessage_StartPosition = 2
 )
 
-var SubscribeRequest_StartPosition_name = map[int32]string{
+var SubscriberMessage_InitMessage_StartPosition_name = map[int32]string{
 	0: "LATEST",
 	1: "EARLIEST",
 	2: "TIMESTAMP",
 }
-var SubscribeRequest_StartPosition_value = map[string]int32{
+var SubscriberMessage_InitMessage_StartPosition_value = map[string]int32{
 	"LATEST":    0,
 	"EARLIEST":  1,
 	"TIMESTAMP": 2,
 }
 
-func (x SubscribeRequest_StartPosition) String() string {
+func (x SubscriberMessage_InitMessage_StartPosition) String() string {
-	return proto.EnumName(SubscribeRequest_StartPosition_name, int32(x))
+	return proto.EnumName(SubscriberMessage_InitMessage_StartPosition_name, int32(x))
 }
-func (SubscribeRequest_StartPosition) EnumDescriptor() ([]byte, []int) {
+func (SubscriberMessage_InitMessage_StartPosition) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor0, []int{0, 0, 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"`
+}
+
+func (m *SubscriberMessage) Reset()                    { *m = SubscriberMessage{} }
+func (m *SubscriberMessage) String() string            { return proto.CompactTextString(m) }
+func (*SubscriberMessage) ProtoMessage()               {}
+func (*SubscriberMessage) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *SubscriberMessage) GetInit() *SubscriberMessage_InitMessage {
+	if m != nil {
+		return m.Init
+	}
+	return nil
+}
+
+func (m *SubscriberMessage) GetAck() *SubscriberMessage_AckMessage {
+	if m != nil {
+		return m.Ack
+	}
+	return nil
+}
+
+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"`
+	Partition     int32                                       `protobuf:"varint,3,opt,name=partition" json:"partition,omitempty"`
+	StartPosition SubscriberMessage_InitMessage_StartPosition `protobuf:"varint,4,opt,name=startPosition,enum=messaging_pb.SubscriberMessage_InitMessage_StartPosition" json:"startPosition,omitempty"`
+	TimestampNs   int64                                       `protobuf:"varint,5,opt,name=timestampNs" json:"timestampNs,omitempty"`
+	SubscriberId  string                                      `protobuf:"bytes,6,opt,name=subscriber_id,json=subscriberId" json:"subscriber_id,omitempty"`
+}
+
+func (m *SubscriberMessage_InitMessage) Reset()         { *m = SubscriberMessage_InitMessage{} }
+func (m *SubscriberMessage_InitMessage) String() string { return proto.CompactTextString(m) }
+func (*SubscriberMessage_InitMessage) ProtoMessage()    {}
+func (*SubscriberMessage_InitMessage) Descriptor() ([]byte, []int) {
 	return fileDescriptor0, []int{0, 0}
 }
 
-type SubscribeRequest struct {
+func (m *SubscriberMessage_InitMessage) GetNamespace() string {
-	Namespace     string                         `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
-	Topic         string                         `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
-	Partition     int32                          `protobuf:"varint,3,opt,name=partition" json:"partition,omitempty"`
-	StartPosition SubscribeRequest_StartPosition `protobuf:"varint,4,opt,name=startPosition,enum=messaging_pb.SubscribeRequest_StartPosition" json:"startPosition,omitempty"`
-	TimestampNs   int64                          `protobuf:"varint,5,opt,name=timestampNs" json:"timestampNs,omitempty"`
-}
-
-func (m *SubscribeRequest) Reset()                    { *m = SubscribeRequest{} }
-func (m *SubscribeRequest) String() string            { return proto.CompactTextString(m) }
-func (*SubscribeRequest) ProtoMessage()               {}
-func (*SubscribeRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
-
-func (m *SubscribeRequest) GetNamespace() string {
 	if m != nil {
 		return m.Namespace
 	}
 	return ""
 }
 
-func (m *SubscribeRequest) GetTopic() string {
+func (m *SubscriberMessage_InitMessage) GetTopic() string {
 	if m != nil {
 		return m.Topic
 	}
 	return ""
 }
 
-func (m *SubscribeRequest) GetPartition() int32 {
+func (m *SubscriberMessage_InitMessage) GetPartition() int32 {
 	if m != nil {
 		return m.Partition
 	}
 	return 0
 }
 
-func (m *SubscribeRequest) GetStartPosition() SubscribeRequest_StartPosition {
+func (m *SubscriberMessage_InitMessage) GetStartPosition() SubscriberMessage_InitMessage_StartPosition {
 	if m != nil {
 		return m.StartPosition
 	}
-	return SubscribeRequest_LATEST
+	return SubscriberMessage_InitMessage_LATEST
 }
 
-func (m *SubscribeRequest) GetTimestampNs() int64 {
+func (m *SubscriberMessage_InitMessage) GetTimestampNs() int64 {
 	if m != nil {
 		return m.TimestampNs
 	}
 	return 0
 }
 
+func (m *SubscriberMessage_InitMessage) GetSubscriberId() string {
+	if m != nil {
+		return m.SubscriberId
+	}
+	return ""
+}
+
+type SubscriberMessage_AckMessage struct {
+	MessageId int64 `protobuf:"varint,1,opt,name=message_id,json=messageId" json:"message_id,omitempty"`
+}
+
+func (m *SubscriberMessage_AckMessage) Reset()                    { *m = SubscriberMessage_AckMessage{} }
+func (m *SubscriberMessage_AckMessage) String() string            { return proto.CompactTextString(m) }
+func (*SubscriberMessage_AckMessage) ProtoMessage()               {}
+func (*SubscriberMessage_AckMessage) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0, 1} }
+
+func (m *SubscriberMessage_AckMessage) GetMessageId() int64 {
+	if m != nil {
+		return m.MessageId
+	}
+	return 0
+}
+
 type Message struct {
 	Timestamp int64             `protobuf:"varint,1,opt,name=timestamp" json:"timestamp,omitempty"`
 	Key       []byte            `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
@@ -154,56 +205,130 @@ func (m *Message) GetHeaders() map[string][]byte {
 	return nil
 }
 
+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{} }
+func (m *BrokerMessage) String() string            { return proto.CompactTextString(m) }
+func (*BrokerMessage) ProtoMessage()               {}
+func (*BrokerMessage) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
+
+func (m *BrokerMessage) GetData() *Message {
+	if m != nil {
+		return m.Data
+	}
+	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 {
-	Namespace string            `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
+	Init *PublishRequest_InitMessage `protobuf:"bytes,1,opt,name=init" json:"init,omitempty"`
-	Topic     string            `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
+	Data *PublishRequest_DataMessage `protobuf:"bytes,2,opt,name=data" json:"data,omitempty"`
-	Partition int32             `protobuf:"varint,4,opt,name=partition" json:"partition,omitempty"`
-	Key       []byte            `protobuf:"bytes,5,opt,name=key,proto3" json:"key,omitempty"`
-	Value     []byte            `protobuf:"bytes,6,opt,name=value,proto3" json:"value,omitempty"`
-	Headers   map[string][]byte `protobuf:"bytes,7,rep,name=headers" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (m *PublishRequest) Reset()                    { *m = PublishRequest{} }
 func (m *PublishRequest) String() string            { return proto.CompactTextString(m) }
 func (*PublishRequest) ProtoMessage()               {}
-func (*PublishRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
+func (*PublishRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
 
-func (m *PublishRequest) GetNamespace() string {
+func (m *PublishRequest) GetInit() *PublishRequest_InitMessage {
+	if m != nil {
+		return m.Init
+	}
+	return nil
+}
+
+func (m *PublishRequest) GetData() *PublishRequest_DataMessage {
+	if m != nil {
+		return m.Data
+	}
+	return nil
+}
+
+type PublishRequest_InitMessage struct {
+	Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
+	Topic     string `protobuf:"bytes,2,opt,name=topic" json:"topic,omitempty"`
+	Partition int32  `protobuf:"varint,3,opt,name=partition" json:"partition,omitempty"`
+}
+
+func (m *PublishRequest_InitMessage) Reset()                    { *m = PublishRequest_InitMessage{} }
+func (m *PublishRequest_InitMessage) String() string            { return proto.CompactTextString(m) }
+func (*PublishRequest_InitMessage) ProtoMessage()               {}
+func (*PublishRequest_InitMessage) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3, 0} }
+
+func (m *PublishRequest_InitMessage) GetNamespace() string {
 	if m != nil {
 		return m.Namespace
 	}
 	return ""
 }
 
-func (m *PublishRequest) GetTopic() string {
+func (m *PublishRequest_InitMessage) GetTopic() string {
 	if m != nil {
 		return m.Topic
 	}
 	return ""
 }
 
-func (m *PublishRequest) GetPartition() int32 {
+func (m *PublishRequest_InitMessage) GetPartition() int32 {
 	if m != nil {
 		return m.Partition
 	}
 	return 0
 }
 
-func (m *PublishRequest) GetKey() []byte {
+type PublishRequest_DataMessage struct {
+	Key     []byte            `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value   []byte            `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	Headers map[string][]byte `protobuf:"bytes,3,rep,name=headers" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *PublishRequest_DataMessage) Reset()                    { *m = PublishRequest_DataMessage{} }
+func (m *PublishRequest_DataMessage) String() string            { return proto.CompactTextString(m) }
+func (*PublishRequest_DataMessage) ProtoMessage()               {}
+func (*PublishRequest_DataMessage) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3, 1} }
+
+func (m *PublishRequest_DataMessage) GetKey() []byte {
 	if m != nil {
 		return m.Key
 	}
 	return nil
 }
 
-func (m *PublishRequest) GetValue() []byte {
+func (m *PublishRequest_DataMessage) GetValue() []byte {
 	if m != nil {
 		return m.Value
 	}
 	return nil
 }
 
-func (m *PublishRequest) GetHeaders() map[string][]byte {
+func (m *PublishRequest_DataMessage) GetHeaders() map[string][]byte {
 	if m != nil {
 		return m.Headers
 	}
@@ -211,21 +336,65 @@ func (m *PublishRequest) GetHeaders() map[string][]byte {
 }
 
 type PublishResponse struct {
-	PartitionCount int32 `protobuf:"varint,1,opt,name=partition_count,json=partitionCount" json:"partition_count,omitempty"`
+	Config   *PublishResponse_ConfigMessage   `protobuf:"bytes,1,opt,name=config" json:"config,omitempty"`
+	Redirect *PublishResponse_RedirectMessage `protobuf:"bytes,2,opt,name=redirect" json:"redirect,omitempty"`
 }
 
 func (m *PublishResponse) Reset()                    { *m = PublishResponse{} }
 func (m *PublishResponse) String() string            { return proto.CompactTextString(m) }
 func (*PublishResponse) ProtoMessage()               {}
-func (*PublishResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
+func (*PublishResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
 
-func (m *PublishResponse) GetPartitionCount() int32 {
+func (m *PublishResponse) GetConfig() *PublishResponse_ConfigMessage {
+	if m != nil {
+		return m.Config
+	}
+	return nil
+}
+
+func (m *PublishResponse) GetRedirect() *PublishResponse_RedirectMessage {
+	if m != nil {
+		return m.Redirect
+	}
+	return nil
+}
+
+type PublishResponse_ConfigMessage struct {
+	PartitionCount int32 `protobuf:"varint,1,opt,name=partition_count,json=partitionCount" json:"partition_count,omitempty"`
+}
+
+func (m *PublishResponse_ConfigMessage) Reset()         { *m = PublishResponse_ConfigMessage{} }
+func (m *PublishResponse_ConfigMessage) String() string { return proto.CompactTextString(m) }
+func (*PublishResponse_ConfigMessage) ProtoMessage()    {}
+func (*PublishResponse_ConfigMessage) Descriptor() ([]byte, []int) {
+	return fileDescriptor0, []int{4, 0}
+}
+
+func (m *PublishResponse_ConfigMessage) GetPartitionCount() int32 {
 	if m != nil {
 		return m.PartitionCount
 	}
 	return 0
 }
 
+type PublishResponse_RedirectMessage struct {
+	NewBroker string `protobuf:"bytes,1,opt,name=new_broker,json=newBroker" json:"new_broker,omitempty"`
+}
+
+func (m *PublishResponse_RedirectMessage) Reset()         { *m = PublishResponse_RedirectMessage{} }
+func (m *PublishResponse_RedirectMessage) String() string { return proto.CompactTextString(m) }
+func (*PublishResponse_RedirectMessage) ProtoMessage()    {}
+func (*PublishResponse_RedirectMessage) Descriptor() ([]byte, []int) {
+	return fileDescriptor0, []int{4, 1}
+}
+
+func (m *PublishResponse_RedirectMessage) GetNewBroker() string {
+	if m != nil {
+		return m.NewBroker
+	}
+	return ""
+}
+
 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"`
@@ -236,7 +405,7 @@ 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{4} }
+func (*ConfigureTopicRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
 
 func (m *ConfigureTopicRequest) GetNamespace() string {
 	if m != nil {
@@ -272,7 +441,7 @@ 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{5} }
+func (*ConfigureTopicResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
 
 type GetTopicConfigurationRequest struct {
 	Namespace string `protobuf:"bytes,1,opt,name=namespace" json:"namespace,omitempty"`
@@ -282,7 +451,7 @@ 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{6} }
+func (*GetTopicConfigurationRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
 
 func (m *GetTopicConfigurationRequest) GetNamespace() string {
 	if m != nil {
@@ -305,7 +474,7 @@ 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{7} }
+func (*GetTopicConfigurationResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
 
 func (m *GetTopicConfigurationResponse) GetPartitions() int32 {
 	if m != nil {
@@ -315,15 +484,23 @@ func (m *GetTopicConfigurationResponse) GetPartitions() int32 {
 }
 
 func init() {
-	proto.RegisterType((*SubscribeRequest)(nil), "messaging_pb.SubscribeRequest")
+	proto.RegisterType((*SubscriberMessage)(nil), "messaging_pb.SubscriberMessage")
+	proto.RegisterType((*SubscriberMessage_InitMessage)(nil), "messaging_pb.SubscriberMessage.InitMessage")
+	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((*PublishRequest_DataMessage)(nil), "messaging_pb.PublishRequest.DataMessage")
 	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((*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.RegisterEnum("messaging_pb.SubscribeRequest_StartPosition", SubscribeRequest_StartPosition_name, SubscribeRequest_StartPosition_value)
+	proto.RegisterEnum("messaging_pb.SubscriberMessage_InitMessage_StartPosition", SubscriberMessage_InitMessage_StartPosition_name, SubscriberMessage_InitMessage_StartPosition_value)
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -337,7 +514,7 @@ const _ = grpc.SupportPackageIsVersion4
 // Client API for SeaweedMessaging service
 
 type SeaweedMessagingClient interface {
-	Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error)
+	Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error)
 	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)
@@ -351,23 +528,18 @@ func NewSeaweedMessagingClient(cc *grpc.ClientConn) SeaweedMessagingClient {
 	return &seaweedMessagingClient{cc}
 }
 
-func (c *seaweedMessagingClient) Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error) {
+func (c *seaweedMessagingClient) Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error) {
 	stream, err := grpc.NewClientStream(ctx, &_SeaweedMessaging_serviceDesc.Streams[0], c.cc, "/messaging_pb.SeaweedMessaging/Subscribe", opts...)
 	if err != nil {
 		return nil, err
 	}
 	x := &seaweedMessagingSubscribeClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
 	return x, nil
 }
 
 type SeaweedMessaging_SubscribeClient interface {
-	Recv() (*Message, error)
+	Send(*SubscriberMessage) error
+	Recv() (*BrokerMessage, error)
 	grpc.ClientStream
 }
 
@@ -375,8 +547,12 @@ type seaweedMessagingSubscribeClient struct {
 	grpc.ClientStream
 }
 
-func (x *seaweedMessagingSubscribeClient) Recv() (*Message, error) {
+func (x *seaweedMessagingSubscribeClient) Send(m *SubscriberMessage) error {
-	m := new(Message)
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedMessagingSubscribeClient) Recv() (*BrokerMessage, error) {
+	m := new(BrokerMessage)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
@@ -435,7 +611,7 @@ func (c *seaweedMessagingClient) GetTopicConfiguration(ctx context.Context, in *
 // Server API for SeaweedMessaging service
 
 type SeaweedMessagingServer interface {
-	Subscribe(*SubscribeRequest, SeaweedMessaging_SubscribeServer) error
+	Subscribe(SeaweedMessaging_SubscribeServer) error
 	Publish(SeaweedMessaging_PublishServer) error
 	ConfigureTopic(context.Context, *ConfigureTopicRequest) (*ConfigureTopicResponse, error)
 	GetTopicConfiguration(context.Context, *GetTopicConfigurationRequest) (*GetTopicConfigurationResponse, error)
@@ -446,15 +622,12 @@ func RegisterSeaweedMessagingServer(s *grpc.Server, srv SeaweedMessagingServer)
 }
 
 func _SeaweedMessaging_Subscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(SubscribeRequest)
+	return srv.(SeaweedMessagingServer).Subscribe(&seaweedMessagingSubscribeServer{stream})
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(SeaweedMessagingServer).Subscribe(m, &seaweedMessagingSubscribeServer{stream})
 }
 
 type SeaweedMessaging_SubscribeServer interface {
-	Send(*Message) error
+	Send(*BrokerMessage) error
+	Recv() (*SubscriberMessage, error)
 	grpc.ServerStream
 }
 
@@ -462,10 +635,18 @@ type seaweedMessagingSubscribeServer struct {
 	grpc.ServerStream
 }
 
-func (x *seaweedMessagingSubscribeServer) Send(m *Message) error {
+func (x *seaweedMessagingSubscribeServer) Send(m *BrokerMessage) error {
 	return x.ServerStream.SendMsg(m)
 }
 
+func (x *seaweedMessagingSubscribeServer) Recv() (*SubscriberMessage, error) {
+	m := new(SubscriberMessage)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func _SeaweedMessaging_Publish_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(SeaweedMessagingServer).Publish(&seaweedMessagingPublishServer{stream})
 }
@@ -546,6 +727,7 @@ var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
 			StreamName:    "Subscribe",
 			Handler:       _SeaweedMessaging_Subscribe_Handler,
 			ServerStreams: true,
+			ClientStreams: true,
 		},
 		{
 			StreamName:    "Publish",
@@ -560,42 +742,56 @@ var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("messaging.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
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+	// 802 bytes of a gzipped FileDescriptorProto
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 }