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authorFlorian Klink <flokli@flokli.de>2022-12-27T17·32+0100
committerflokli <flokli@flokli.de>2022-12-28T13·55+0000
commit1c15154b834fd529b95b3026c867e34ad98787f0 (patch)
tree853953bed52de4ccdee218af1bbbc5a0a8140d93
parentf879993cc49e2dacb8286767fb92e34078f0c8e4 (diff)
feat(tvix/store): make blobstore stream chunks r/5527
This changes the RPC methods to return/consume a stream of chunks, instead of a
very big message containing the whole blob, to keep message sizes in manageable
sizes (less than 4MiB).

Change-Id: I2a3a50f07b059d8a2f5196860254adff98c8a352
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7651
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
-rw-r--r--tvix/store/protos/rpc_blobstore.pb.go161
-rw-r--r--tvix/store/protos/rpc_blobstore.proto19
-rw-r--r--tvix/store/protos/rpc_blobstore_grpc.pb.go163
3 files changed, 171 insertions, 172 deletions
diff --git a/tvix/store/protos/rpc_blobstore.pb.go b/tvix/store/protos/rpc_blobstore.pb.go
index 11adf26cdf41..6ea9fb03a5bb 100644
--- a/tvix/store/protos/rpc_blobstore.pb.go
+++ b/tvix/store/protos/rpc_blobstore.pb.go
@@ -71,16 +71,17 @@ func (x *GetBlobRequest) GetDigest() []byte {
 	return nil
 }
 
-type GetBlobResponse struct {
+type PutBlobResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
+	// The blake3 digest of the data that was sent.
+	Digest []byte `protobuf:"bytes,1,opt,name=digest,proto3" json:"digest,omitempty"`
 }
 
-func (x *GetBlobResponse) Reset() {
-	*x = GetBlobResponse{}
+func (x *PutBlobResponse) Reset() {
+	*x = PutBlobResponse{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -88,13 +89,13 @@ func (x *GetBlobResponse) Reset() {
 	}
 }
 
-func (x *GetBlobResponse) String() string {
+func (x *PutBlobResponse) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*GetBlobResponse) ProtoMessage() {}
+func (*PutBlobResponse) ProtoMessage() {}
 
-func (x *GetBlobResponse) ProtoReflect() protoreflect.Message {
+func (x *PutBlobResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -106,19 +107,21 @@ func (x *GetBlobResponse) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use GetBlobResponse.ProtoReflect.Descriptor instead.
-func (*GetBlobResponse) Descriptor() ([]byte, []int) {
+// Deprecated: Use PutBlobResponse.ProtoReflect.Descriptor instead.
+func (*PutBlobResponse) Descriptor() ([]byte, []int) {
 	return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *GetBlobResponse) GetData() []byte {
+func (x *PutBlobResponse) GetDigest() []byte {
 	if x != nil {
-		return x.Data
+		return x.Digest
 	}
 	return nil
 }
 
-type PutBlobRequest struct {
+// This represents a part of a chunk.
+// Blobs are sent in smaller chunks to keep message sizes manageable.
+type BlobChunk struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
@@ -126,8 +129,8 @@ type PutBlobRequest struct {
 	Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
 }
 
-func (x *PutBlobRequest) Reset() {
-	*x = PutBlobRequest{}
+func (x *BlobChunk) Reset() {
+	*x = BlobChunk{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -135,13 +138,13 @@ func (x *PutBlobRequest) Reset() {
 	}
 }
 
-func (x *PutBlobRequest) String() string {
+func (x *BlobChunk) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*PutBlobRequest) ProtoMessage() {}
+func (*BlobChunk) ProtoMessage() {}
 
-func (x *PutBlobRequest) ProtoReflect() protoreflect.Message {
+func (x *BlobChunk) ProtoReflect() protoreflect.Message {
 	mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -153,66 +156,18 @@ func (x *PutBlobRequest) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use PutBlobRequest.ProtoReflect.Descriptor instead.
-func (*PutBlobRequest) Descriptor() ([]byte, []int) {
+// Deprecated: Use BlobChunk.ProtoReflect.Descriptor instead.
+func (*BlobChunk) Descriptor() ([]byte, []int) {
 	return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{2}
 }
 
-func (x *PutBlobRequest) GetData() []byte {
+func (x *BlobChunk) GetData() []byte {
 	if x != nil {
 		return x.Data
 	}
 	return nil
 }
 
-type PutBlobResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// The blake3 digest of the data that was sent.
-	Digest []byte `protobuf:"bytes,1,opt,name=digest,proto3" json:"digest,omitempty"`
-}
-
-func (x *PutBlobResponse) Reset() {
-	*x = PutBlobResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *PutBlobResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*PutBlobResponse) ProtoMessage() {}
-
-func (x *PutBlobResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_rpc_blobstore_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use PutBlobResponse.ProtoReflect.Descriptor instead.
-func (*PutBlobResponse) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP(), []int{3}
-}
-
-func (x *PutBlobResponse) GetDigest() []byte {
-	if x != nil {
-		return x.Digest
-	}
-	return nil
-}
-
 var File_tvix_store_protos_rpc_blobstore_proto protoreflect.FileDescriptor
 
 var file_tvix_store_protos_rpc_blobstore_proto_rawDesc = []byte{
@@ -222,27 +177,24 @@ var file_tvix_store_protos_rpc_blobstore_proto_rawDesc = []byte{
 	0x6f, 0x72, 0x65, 0x2e, 0x76, 0x31, 0x22, 0x28, 0x0a, 0x0e, 0x47, 0x65, 0x74, 0x42, 0x6c, 0x6f,
 	0x62, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x64, 0x69, 0x67, 0x65,
 	0x73, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74,
-	0x22, 0x25, 0x0a, 0x0f, 0x47, 0x65, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x73, 0x70, 0x6f,
-	0x6e, 0x73, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x22, 0x24, 0x0a, 0x0e, 0x50, 0x75, 0x74, 0x42, 0x6c,
-	0x6f, 0x62, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x74,
-	0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x22, 0x29, 0x0a,
-	0x0f, 0x50, 0x75, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
-	0x12, 0x16, 0x0a, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c,
-	0x52, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x32, 0x99, 0x01, 0x0a, 0x0b, 0x42, 0x6c, 0x6f,
-	0x62, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x44, 0x0a, 0x03, 0x47, 0x65, 0x74, 0x12,
-	0x1d, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x2e, 0x76, 0x31, 0x2e,
-	0x47, 0x65, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1e,
-	0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x47,
-	0x65, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x44,
-	0x0a, 0x03, 0x50, 0x75, 0x74, 0x12, 0x1d, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f,
-	0x72, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x50, 0x75, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x71,
-	0x75, 0x65, 0x73, 0x74, 0x1a, 0x1e, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f, 0x72,
-	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x50, 0x75, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x73, 0x70,
-	0x6f, 0x6e, 0x73, 0x65, 0x42, 0x28, 0x5a, 0x26, 0x63, 0x6f, 0x64, 0x65, 0x2e, 0x74, 0x76, 0x6c,
-	0x2e, 0x66, 0x79, 0x69, 0x2f, 0x74, 0x76, 0x69, 0x78, 0x2f, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x2f,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x73, 0x3b, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x76, 0x31, 0x62, 0x06,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x22, 0x29, 0x0a, 0x0f, 0x50, 0x75, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x18, 0x01, 0x20,
+	0x01, 0x28, 0x0c, 0x52, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x22, 0x1f, 0x0a, 0x09, 0x42,
+	0x6c, 0x6f, 0x62, 0x43, 0x68, 0x75, 0x6e, 0x6b, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x74, 0x61,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x32, 0x92, 0x01, 0x0a,
+	0x0b, 0x42, 0x6c, 0x6f, 0x62, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x40, 0x0a, 0x03,
+	0x47, 0x65, 0x74, 0x12, 0x1d, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f, 0x72, 0x65,
+	0x2e, 0x76, 0x31, 0x2e, 0x47, 0x65, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x18, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x2e,
+	0x76, 0x31, 0x2e, 0x42, 0x6c, 0x6f, 0x62, 0x43, 0x68, 0x75, 0x6e, 0x6b, 0x30, 0x01, 0x12, 0x41,
+	0x0a, 0x03, 0x50, 0x75, 0x74, 0x12, 0x18, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f,
+	0x72, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x42, 0x6c, 0x6f, 0x62, 0x43, 0x68, 0x75, 0x6e, 0x6b, 0x1a,
+	0x1e, 0x2e, 0x74, 0x76, 0x69, 0x78, 0x2e, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x2e, 0x76, 0x31, 0x2e,
+	0x50, 0x75, 0x74, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x28,
+	0x01, 0x42, 0x28, 0x5a, 0x26, 0x63, 0x6f, 0x64, 0x65, 0x2e, 0x74, 0x76, 0x6c, 0x2e, 0x66, 0x79,
+	0x69, 0x2f, 0x74, 0x76, 0x69, 0x78, 0x2f, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x73, 0x3b, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -257,18 +209,17 @@ func file_tvix_store_protos_rpc_blobstore_proto_rawDescGZIP() []byte {
 	return file_tvix_store_protos_rpc_blobstore_proto_rawDescData
 }
 
-var file_tvix_store_protos_rpc_blobstore_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_tvix_store_protos_rpc_blobstore_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
 var file_tvix_store_protos_rpc_blobstore_proto_goTypes = []interface{}{
 	(*GetBlobRequest)(nil),  // 0: tvix.store.v1.GetBlobRequest
-	(*GetBlobResponse)(nil), // 1: tvix.store.v1.GetBlobResponse
-	(*PutBlobRequest)(nil),  // 2: tvix.store.v1.PutBlobRequest
-	(*PutBlobResponse)(nil), // 3: tvix.store.v1.PutBlobResponse
+	(*PutBlobResponse)(nil), // 1: tvix.store.v1.PutBlobResponse
+	(*BlobChunk)(nil),       // 2: tvix.store.v1.BlobChunk
 }
 var file_tvix_store_protos_rpc_blobstore_proto_depIdxs = []int32{
 	0, // 0: tvix.store.v1.BlobService.Get:input_type -> tvix.store.v1.GetBlobRequest
-	2, // 1: tvix.store.v1.BlobService.Put:input_type -> tvix.store.v1.PutBlobRequest
-	1, // 2: tvix.store.v1.BlobService.Get:output_type -> tvix.store.v1.GetBlobResponse
-	3, // 3: tvix.store.v1.BlobService.Put:output_type -> tvix.store.v1.PutBlobResponse
+	2, // 1: tvix.store.v1.BlobService.Put:input_type -> tvix.store.v1.BlobChunk
+	2, // 2: tvix.store.v1.BlobService.Get:output_type -> tvix.store.v1.BlobChunk
+	1, // 3: tvix.store.v1.BlobService.Put:output_type -> tvix.store.v1.PutBlobResponse
 	2, // [2:4] is the sub-list for method output_type
 	0, // [0:2] is the sub-list for method input_type
 	0, // [0:0] is the sub-list for extension type_name
@@ -295,7 +246,7 @@ func file_tvix_store_protos_rpc_blobstore_proto_init() {
 			}
 		}
 		file_tvix_store_protos_rpc_blobstore_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetBlobResponse); i {
+			switch v := v.(*PutBlobResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -307,19 +258,7 @@ func file_tvix_store_protos_rpc_blobstore_proto_init() {
 			}
 		}
 		file_tvix_store_protos_rpc_blobstore_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PutBlobRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_tvix_store_protos_rpc_blobstore_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PutBlobResponse); i {
+			switch v := v.(*BlobChunk); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -337,7 +276,7 @@ func file_tvix_store_protos_rpc_blobstore_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_tvix_store_protos_rpc_blobstore_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   4,
+			NumMessages:   3,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/tvix/store/protos/rpc_blobstore.proto b/tvix/store/protos/rpc_blobstore.proto
index 1d4349bc6bb6..cca195c3d975 100644
--- a/tvix/store/protos/rpc_blobstore.proto
+++ b/tvix/store/protos/rpc_blobstore.proto
@@ -7,8 +7,9 @@ package tvix.store.v1;
 option go_package = "code.tvl.fyi/tvix/store/protos;storev1";
 
 service BlobService {
-    rpc Get(GetBlobRequest) returns (GetBlobResponse);
-    rpc Put(PutBlobRequest) returns (PutBlobResponse);
+    rpc Get(GetBlobRequest) returns (stream BlobChunk);
+
+    rpc Put(stream BlobChunk) returns (PutBlobResponse);
 
     // TODO(flokli): We can get fancy here, and add methods to retrieve
     // [Bao](https://github.com/oconnor663/bao/blob/master/docs/spec.md), and
@@ -20,15 +21,13 @@ message GetBlobRequest {
     bytes digest = 1;
 }
 
-message GetBlobResponse {
-    bytes data = 1;
-}
-
-message PutBlobRequest {
-    bytes data = 1;
-}
-
 message PutBlobResponse {
     // The blake3 digest of the data that was sent.
     bytes digest = 1;
 }
+
+// This represents a part of a chunk.
+// Blobs are sent in smaller chunks to keep message sizes manageable.
+message BlobChunk {
+    bytes data = 1;
+}
diff --git a/tvix/store/protos/rpc_blobstore_grpc.pb.go b/tvix/store/protos/rpc_blobstore_grpc.pb.go
index 51b5aea95f88..f99181cb4d06 100644
--- a/tvix/store/protos/rpc_blobstore_grpc.pb.go
+++ b/tvix/store/protos/rpc_blobstore_grpc.pb.go
@@ -22,8 +22,8 @@ const _ = grpc.SupportPackageIsVersion7
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type BlobServiceClient interface {
-	Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (*GetBlobResponse, error)
-	Put(ctx context.Context, in *PutBlobRequest, opts ...grpc.CallOption) (*PutBlobResponse, error)
+	Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (BlobService_GetClient, error)
+	Put(ctx context.Context, opts ...grpc.CallOption) (BlobService_PutClient, error)
 }
 
 type blobServiceClient struct {
@@ -34,30 +34,78 @@ func NewBlobServiceClient(cc grpc.ClientConnInterface) BlobServiceClient {
 	return &blobServiceClient{cc}
 }
 
-func (c *blobServiceClient) Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (*GetBlobResponse, error) {
-	out := new(GetBlobResponse)
-	err := c.cc.Invoke(ctx, "/tvix.store.v1.BlobService/Get", in, out, opts...)
+func (c *blobServiceClient) Get(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (BlobService_GetClient, error) {
+	stream, err := c.cc.NewStream(ctx, &BlobService_ServiceDesc.Streams[0], "/tvix.store.v1.BlobService/Get", opts...)
 	if err != nil {
 		return nil, err
 	}
-	return out, nil
+	x := &blobServiceGetClient{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 BlobService_GetClient interface {
+	Recv() (*BlobChunk, error)
+	grpc.ClientStream
+}
+
+type blobServiceGetClient struct {
+	grpc.ClientStream
+}
+
+func (x *blobServiceGetClient) Recv() (*BlobChunk, error) {
+	m := new(BlobChunk)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
 }
 
-func (c *blobServiceClient) Put(ctx context.Context, in *PutBlobRequest, opts ...grpc.CallOption) (*PutBlobResponse, error) {
-	out := new(PutBlobResponse)
-	err := c.cc.Invoke(ctx, "/tvix.store.v1.BlobService/Put", in, out, opts...)
+func (c *blobServiceClient) Put(ctx context.Context, opts ...grpc.CallOption) (BlobService_PutClient, error) {
+	stream, err := c.cc.NewStream(ctx, &BlobService_ServiceDesc.Streams[1], "/tvix.store.v1.BlobService/Put", opts...)
 	if err != nil {
 		return nil, err
 	}
-	return out, nil
+	x := &blobServicePutClient{stream}
+	return x, nil
+}
+
+type BlobService_PutClient interface {
+	Send(*BlobChunk) error
+	CloseAndRecv() (*PutBlobResponse, error)
+	grpc.ClientStream
+}
+
+type blobServicePutClient struct {
+	grpc.ClientStream
+}
+
+func (x *blobServicePutClient) Send(m *BlobChunk) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *blobServicePutClient) CloseAndRecv() (*PutBlobResponse, error) {
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	m := new(PutBlobResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
 }
 
 // BlobServiceServer is the server API for BlobService service.
 // All implementations must embed UnimplementedBlobServiceServer
 // for forward compatibility
 type BlobServiceServer interface {
-	Get(context.Context, *GetBlobRequest) (*GetBlobResponse, error)
-	Put(context.Context, *PutBlobRequest) (*PutBlobResponse, error)
+	Get(*GetBlobRequest, BlobService_GetServer) error
+	Put(BlobService_PutServer) error
 	mustEmbedUnimplementedBlobServiceServer()
 }
 
@@ -65,11 +113,11 @@ type BlobServiceServer interface {
 type UnimplementedBlobServiceServer struct {
 }
 
-func (UnimplementedBlobServiceServer) Get(context.Context, *GetBlobRequest) (*GetBlobResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Get not implemented")
+func (UnimplementedBlobServiceServer) Get(*GetBlobRequest, BlobService_GetServer) error {
+	return status.Errorf(codes.Unimplemented, "method Get not implemented")
 }
-func (UnimplementedBlobServiceServer) Put(context.Context, *PutBlobRequest) (*PutBlobResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Put not implemented")
+func (UnimplementedBlobServiceServer) Put(BlobService_PutServer) error {
+	return status.Errorf(codes.Unimplemented, "method Put not implemented")
 }
 func (UnimplementedBlobServiceServer) mustEmbedUnimplementedBlobServiceServer() {}
 
@@ -84,40 +132,51 @@ func RegisterBlobServiceServer(s grpc.ServiceRegistrar, srv BlobServiceServer) {
 	s.RegisterService(&BlobService_ServiceDesc, srv)
 }
 
-func _BlobService_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetBlobRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BlobServiceServer).Get(ctx, in)
+func _BlobService_Get_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(GetBlobRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
 	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/tvix.store.v1.BlobService/Get",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BlobServiceServer).Get(ctx, req.(*GetBlobRequest))
-	}
-	return interceptor(ctx, in, info, handler)
+	return srv.(BlobServiceServer).Get(m, &blobServiceGetServer{stream})
+}
+
+type BlobService_GetServer interface {
+	Send(*BlobChunk) error
+	grpc.ServerStream
+}
+
+type blobServiceGetServer struct {
+	grpc.ServerStream
+}
+
+func (x *blobServiceGetServer) Send(m *BlobChunk) error {
+	return x.ServerStream.SendMsg(m)
 }
 
-func _BlobService_Put_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(PutBlobRequest)
-	if err := dec(in); err != nil {
+func _BlobService_Put_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(BlobServiceServer).Put(&blobServicePutServer{stream})
+}
+
+type BlobService_PutServer interface {
+	SendAndClose(*PutBlobResponse) error
+	Recv() (*BlobChunk, error)
+	grpc.ServerStream
+}
+
+type blobServicePutServer struct {
+	grpc.ServerStream
+}
+
+func (x *blobServicePutServer) SendAndClose(m *PutBlobResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *blobServicePutServer) Recv() (*BlobChunk, error) {
+	m := new(BlobChunk)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
-	if interceptor == nil {
-		return srv.(BlobServiceServer).Put(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/tvix.store.v1.BlobService/Put",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BlobServiceServer).Put(ctx, req.(*PutBlobRequest))
-	}
-	return interceptor(ctx, in, info, handler)
+	return m, nil
 }
 
 // BlobService_ServiceDesc is the grpc.ServiceDesc for BlobService service.
@@ -126,16 +185,18 @@ func _BlobService_Put_Handler(srv interface{}, ctx context.Context, dec func(int
 var BlobService_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "tvix.store.v1.BlobService",
 	HandlerType: (*BlobServiceServer)(nil),
-	Methods: []grpc.MethodDesc{
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
 		{
-			MethodName: "Get",
-			Handler:    _BlobService_Get_Handler,
+			StreamName:    "Get",
+			Handler:       _BlobService_Get_Handler,
+			ServerStreams: true,
 		},
 		{
-			MethodName: "Put",
-			Handler:    _BlobService_Put_Handler,
+			StreamName:    "Put",
+			Handler:       _BlobService_Put_Handler,
+			ClientStreams: true,
 		},
 	},
-	Streams:  []grpc.StreamDesc{},
 	Metadata: "tvix/store/protos/rpc_blobstore.proto",
 }