add stream assign proto

3 files changed, 215 insertions, 138 deletions

diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index be4f4a78b..94277104f 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -15,6 +15,8 @@ service Seaweed {
   }
   rpc Assign (AssignRequest) returns (AssignResponse) {
   }
+  rpc StreamAssign (stream AssignRequest) returns (stream AssignResponse) {
+  }
   rpc Statistics (StatisticsRequest) returns (StatisticsResponse) {
   }
   rpc CollectionList (CollectionListRequest) returns (CollectionListResponse) {
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index 5c0b5d774..4e61faafe 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -4591,7 +4591,7 @@ var file_master_proto_rawDesc = []byte{
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@@ -4611,106 +4611,111 @@ var file_master_proto_rawDesc = []byte{
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 }
 
 var (
@@ -4837,46 +4842,48 @@ var file_master_proto_depIdxs = []int32{
 	8,  // 37: master_pb.Seaweed.KeepConnected:input_type -> master_pb.KeepConnectedRequest
 	12, // 38: master_pb.Seaweed.LookupVolume:input_type -> master_pb.LookupVolumeRequest
 	15, // 39: master_pb.Seaweed.Assign:input_type -> master_pb.AssignRequest
-	17, // 40: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
-	20, // 41: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
-	22, // 42: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
-	29, // 43: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
-	31, // 44: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
-	33, // 45: master_pb.Seaweed.VacuumVolume:input_type -> master_pb.VacuumVolumeRequest
-	35, // 46: master_pb.Seaweed.DisableVacuum:input_type -> master_pb.DisableVacuumRequest
-	37, // 47: master_pb.Seaweed.EnableVacuum:input_type -> master_pb.EnableVacuumRequest
-	39, // 48: master_pb.Seaweed.VolumeMarkReadonly:input_type -> master_pb.VolumeMarkReadonlyRequest
-	41, // 49: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
-	43, // 50: master_pb.Seaweed.ListClusterNodes:input_type -> master_pb.ListClusterNodesRequest
-	45, // 51: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
-	47, // 52: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
-	49, // 53: master_pb.Seaweed.Ping:input_type -> master_pb.PingRequest
-	55, // 54: master_pb.Seaweed.RaftListClusterServers:input_type -> master_pb.RaftListClusterServersRequest
-	51, // 55: master_pb.Seaweed.RaftAddServer:input_type -> master_pb.RaftAddServerRequest
-	53, // 56: master_pb.Seaweed.RaftRemoveServer:input_type -> master_pb.RaftRemoveServerRequest
-	1,  // 57: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
-	11, // 58: master_pb.Seaweed.KeepConnected:output_type -> master_pb.KeepConnectedResponse
-	13, // 59: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
-	16, // 60: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
-	18, // 61: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
-	21, // 62: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
-	23, // 63: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
-	30, // 64: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
-	32, // 65: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
-	34, // 66: master_pb.Seaweed.VacuumVolume:output_type -> master_pb.VacuumVolumeResponse
-	36, // 67: master_pb.Seaweed.DisableVacuum:output_type -> master_pb.DisableVacuumResponse
-	38, // 68: master_pb.Seaweed.EnableVacuum:output_type -> master_pb.EnableVacuumResponse
-	40, // 69: master_pb.Seaweed.VolumeMarkReadonly:output_type -> master_pb.VolumeMarkReadonlyResponse
-	42, // 70: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
-	44, // 71: master_pb.Seaweed.ListClusterNodes:output_type -> master_pb.ListClusterNodesResponse
-	46, // 72: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
-	48, // 73: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
-	50, // 74: master_pb.Seaweed.Ping:output_type -> master_pb.PingResponse
-	56, // 75: master_pb.Seaweed.RaftListClusterServers:output_type -> master_pb.RaftListClusterServersResponse
-	52, // 76: master_pb.Seaweed.RaftAddServer:output_type -> master_pb.RaftAddServerResponse
-	54, // 77: master_pb.Seaweed.RaftRemoveServer:output_type -> master_pb.RaftRemoveServerResponse
-	57, // [57:78] is the sub-list for method output_type
-	36, // [36:57] is the sub-list for method input_type
+	15, // 40: master_pb.Seaweed.StreamAssign:input_type -> master_pb.AssignRequest
+	17, // 41: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
+	20, // 42: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
+	22, // 43: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
+	29, // 44: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
+	31, // 45: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
+	33, // 46: master_pb.Seaweed.VacuumVolume:input_type -> master_pb.VacuumVolumeRequest
+	35, // 47: master_pb.Seaweed.DisableVacuum:input_type -> master_pb.DisableVacuumRequest
+	37, // 48: master_pb.Seaweed.EnableVacuum:input_type -> master_pb.EnableVacuumRequest
+	39, // 49: master_pb.Seaweed.VolumeMarkReadonly:input_type -> master_pb.VolumeMarkReadonlyRequest
+	41, // 50: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
+	43, // 51: master_pb.Seaweed.ListClusterNodes:input_type -> master_pb.ListClusterNodesRequest
+	45, // 52: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
+	47, // 53: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
+	49, // 54: master_pb.Seaweed.Ping:input_type -> master_pb.PingRequest
+	55, // 55: master_pb.Seaweed.RaftListClusterServers:input_type -> master_pb.RaftListClusterServersRequest
+	51, // 56: master_pb.Seaweed.RaftAddServer:input_type -> master_pb.RaftAddServerRequest
+	53, // 57: master_pb.Seaweed.RaftRemoveServer:input_type -> master_pb.RaftRemoveServerRequest
+	1,  // 58: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
+	11, // 59: master_pb.Seaweed.KeepConnected:output_type -> master_pb.KeepConnectedResponse
+	13, // 60: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
+	16, // 61: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
+	16, // 62: master_pb.Seaweed.StreamAssign:output_type -> master_pb.AssignResponse
+	18, // 63: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
+	21, // 64: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
+	23, // 65: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
+	30, // 66: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
+	32, // 67: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
+	34, // 68: master_pb.Seaweed.VacuumVolume:output_type -> master_pb.VacuumVolumeResponse
+	36, // 69: master_pb.Seaweed.DisableVacuum:output_type -> master_pb.DisableVacuumResponse
+	38, // 70: master_pb.Seaweed.EnableVacuum:output_type -> master_pb.EnableVacuumResponse
+	40, // 71: master_pb.Seaweed.VolumeMarkReadonly:output_type -> master_pb.VolumeMarkReadonlyResponse
+	42, // 72: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
+	44, // 73: master_pb.Seaweed.ListClusterNodes:output_type -> master_pb.ListClusterNodesResponse
+	46, // 74: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
+	48, // 75: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
+	50, // 76: master_pb.Seaweed.Ping:output_type -> master_pb.PingResponse
+	56, // 77: master_pb.Seaweed.RaftListClusterServers:output_type -> master_pb.RaftListClusterServersResponse
+	52, // 78: master_pb.Seaweed.RaftAddServer:output_type -> master_pb.RaftAddServerResponse
+	54, // 79: master_pb.Seaweed.RaftRemoveServer:output_type -> master_pb.RaftRemoveServerResponse
+	58, // [58:80] is the sub-list for method output_type
+	36, // [36:58] is the sub-list for method input_type
 	36, // [36:36] is the sub-list for extension type_name
 	36, // [36:36] is the sub-list for extension extendee
 	0,  // [0:36] is the sub-list for field type_name
diff --git a/weed/pb/master_pb/master_grpc.pb.go b/weed/pb/master_pb/master_grpc.pb.go
index b0c3f932c..2afcdbbd9 100644
--- a/weed/pb/master_pb/master_grpc.pb.go
+++ b/weed/pb/master_pb/master_grpc.pb.go
@@ -26,6 +26,7 @@ type SeaweedClient interface {
 	KeepConnected(ctx context.Context, opts ...grpc.CallOption) (Seaweed_KeepConnectedClient, error)
 	LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error)
 	Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error)
+	StreamAssign(ctx context.Context, opts ...grpc.CallOption) (Seaweed_StreamAssignClient, error)
 	Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
 	CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error)
 	CollectionDelete(ctx context.Context, in *CollectionDeleteRequest, opts ...grpc.CallOption) (*CollectionDeleteResponse, error)
@@ -133,6 +134,37 @@ func (c *seaweedClient) Assign(ctx context.Context, in *AssignRequest, opts ...g
 	return out, nil
 }
 
+func (c *seaweedClient) StreamAssign(ctx context.Context, opts ...grpc.CallOption) (Seaweed_StreamAssignClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Seaweed_ServiceDesc.Streams[2], "/master_pb.Seaweed/StreamAssign", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedStreamAssignClient{stream}
+	return x, nil
+}
+
+type Seaweed_StreamAssignClient interface {
+	Send(*AssignRequest) error
+	Recv() (*AssignResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedStreamAssignClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedStreamAssignClient) Send(m *AssignRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedStreamAssignClient) Recv() (*AssignResponse, error) {
+	m := new(AssignResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func (c *seaweedClient) Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error) {
 	out := new(StatisticsResponse)
 	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/Statistics", in, out, opts...)
@@ -294,6 +326,7 @@ type SeaweedServer interface {
 	KeepConnected(Seaweed_KeepConnectedServer) error
 	LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error)
 	Assign(context.Context, *AssignRequest) (*AssignResponse, error)
+	StreamAssign(Seaweed_StreamAssignServer) error
 	Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
 	CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error)
 	CollectionDelete(context.Context, *CollectionDeleteRequest) (*CollectionDeleteResponse, error)
@@ -330,6 +363,9 @@ func (UnimplementedSeaweedServer) LookupVolume(context.Context, *LookupVolumeReq
 func (UnimplementedSeaweedServer) Assign(context.Context, *AssignRequest) (*AssignResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Assign not implemented")
 }
+func (UnimplementedSeaweedServer) StreamAssign(Seaweed_StreamAssignServer) error {
+	return status.Errorf(codes.Unimplemented, "method StreamAssign not implemented")
+}
 func (UnimplementedSeaweedServer) Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Statistics not implemented")
 }
@@ -482,6 +518,32 @@ func _Seaweed_Assign_Handler(srv interface{}, ctx context.Context, dec func(inte
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Seaweed_StreamAssign_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SeaweedServer).StreamAssign(&seaweedStreamAssignServer{stream})
+}
+
+type Seaweed_StreamAssignServer interface {
+	Send(*AssignResponse) error
+	Recv() (*AssignRequest, error)
+	grpc.ServerStream
+}
+
+type seaweedStreamAssignServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedStreamAssignServer) Send(m *AssignResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *seaweedStreamAssignServer) Recv() (*AssignRequest, error) {
+	m := new(AssignRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func _Seaweed_Statistics_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(StatisticsRequest)
 	if err := dec(in); err != nil {
@@ -885,6 +947,12 @@ var Seaweed_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
+		{
+			StreamName:    "StreamAssign",
+			Handler:       _Seaweed_StreamAssign_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
 	},
 	Metadata: "master.proto",
 }