diff --git a/Makefile b/Makefile index b27e9cd..1111eba 100644 --- a/Makefile +++ b/Makefile @@ -4,4 +4,8 @@ wire: .PHONY: test test: - go test -cover -race ./... \ No newline at end of file + go test -cover -race ./... + +.PHONY: proto +proto: + protoc --go_out=plugins=grpc:./proto ./proto/*.proto \ No newline at end of file diff --git a/go.mod b/go.mod index 4414199..951f3c7 100644 --- a/go.mod +++ b/go.mod @@ -2,10 +2,19 @@ module github.com/ithaiq/thqcache go 1.17 -require github.com/stretchr/testify v1.7.0 +require ( + github.com/stretchr/testify v1.7.0 + google.golang.org/grpc v1.43.0 + google.golang.org/protobuf v1.27.1 +) require ( github.com/davecgh/go-spew v1.1.0 // indirect + github.com/golang/protobuf v1.5.0 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect + golang.org/x/net v0.0.0-20200822124328-c89045814202 // indirect + golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd // indirect + golang.org/x/text v0.3.0 // indirect + google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect ) diff --git a/go.sum b/go.sum index acb88a4..ebb8ab3 100644 --- a/go.sum +++ b/go.sum @@ -1,11 +1,124 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= +github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= +github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI= +github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= +github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= +github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= 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b/http.go index fec4dad..3e69924 100644 --- a/http.go +++ b/http.go @@ -2,7 +2,9 @@ package thqcache import ( "fmt" + "github.com/golang/protobuf/proto" "github.com/ithaiq/thqcache/consistenthash" + pb "github.com/ithaiq/thqcache/proto" "io/ioutil" "log" "net/http" @@ -55,8 +57,13 @@ func (this *HTTPPool) ServeHTTP(w http.ResponseWriter, r *http.Request) { http.Error(w, err.Error(), http.StatusInternalServerError) return } + body, err := proto.Marshal(&pb.Response{Value: value.ByteSlice()}) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } w.Header().Set("Content-Type", "application/octet-stream") - w.Write(value.ByteSlice()) + w.Write(body) } func (this *HTTPPool) Logf(format string, v ...interface{}) { @@ -92,24 +99,32 @@ type HttpGetter struct { baseUrl string } -func (h *HttpGetter) Get(group string, key string) ([]byte, error) { - u := fmt.Sprintf("%v%v/%v", h.baseUrl, url.QueryEscape(group), url.QueryEscape(key)) +func (h HttpGetter) Get(in *pb.Request, out *pb.Response) error { + u := fmt.Sprintf( + "%v%v/%v", + h.baseUrl, + url.QueryEscape(in.GetGroup()), + url.QueryEscape(in.GetKey()), + ) log.Println(u) res, err := http.Get(u) if err != nil { - return nil, err + return err } defer res.Body.Close() if res.StatusCode != http.StatusOK { - return nil, fmt.Errorf("server returned: %v", res.Status) + return fmt.Errorf("server returned: %v", res.Status) } bytes, err := ioutil.ReadAll(res.Body) if err != nil { - return nil, fmt.Errorf("reading response body: %v", err) + return fmt.Errorf("reading response body: %v", err) + } + if err = proto.Unmarshal(bytes, out); err != nil { + return fmt.Errorf("decoding response body: %v", err) } - return bytes, nil + return nil } var _ PeerGetter = (*HttpGetter)(nil) diff --git a/peers.go b/peers.go index 3172d59..2db74e3 100644 --- a/peers.go +++ b/peers.go @@ -1,5 +1,7 @@ package thqcache +import "github.com/ithaiq/thqcache/proto" + //PeerPicker 节点选择器 type PeerPicker interface { PickPeer(key string) (peer PeerGetter, ok bool) @@ -7,5 +9,5 @@ type PeerPicker interface { //PeerGetter 从节点获取数据 type PeerGetter interface { - Get(group string, key string) ([]byte, error) + Get(in *proto.Request, out *proto.Response) error } diff --git a/proto/thqcachepb.pb.go b/proto/thqcachepb.pb.go new file mode 100644 index 0000000..ee28de3 --- /dev/null +++ b/proto/thqcachepb.pb.go @@ -0,0 +1,303 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.26.0 +// protoc v3.17.3 +// source: proto/thqcachepb.proto + +package proto + +import ( + context "context" + grpc "google.golang.org/grpc" + codes "google.golang.org/grpc/codes" + status "google.golang.org/grpc/status" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +type Request struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Group string `protobuf:"bytes,1,opt,name=group,proto3" json:"group,omitempty"` + Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"` +} + +func (x *Request) Reset() { + *x = Request{} + if protoimpl.UnsafeEnabled { + mi := &file_proto_thqcachepb_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Request) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Request) ProtoMessage() {} + +func (x *Request) ProtoReflect() protoreflect.Message { + mi := &file_proto_thqcachepb_proto_msgTypes[0] + 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 Request.ProtoReflect.Descriptor instead. +func (*Request) Descriptor() ([]byte, []int) { + return file_proto_thqcachepb_proto_rawDescGZIP(), []int{0} +} + +func (x *Request) GetGroup() string { + if x != nil { + return x.Group + } + return "" +} + +func (x *Request) GetKey() string { + if x != nil { + return x.Key + } + return "" +} + +type Response struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Value []byte `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"` +} + +func (x *Response) Reset() { + *x = Response{} + if protoimpl.UnsafeEnabled { + mi := &file_proto_thqcachepb_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Response) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Response) ProtoMessage() {} + +func (x *Response) ProtoReflect() protoreflect.Message { + mi := &file_proto_thqcachepb_proto_msgTypes[1] + 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 Response.ProtoReflect.Descriptor instead. +func (*Response) Descriptor() ([]byte, []int) { + return file_proto_thqcachepb_proto_rawDescGZIP(), []int{1} +} + +func (x *Response) GetValue() []byte { + if x != nil { + return x.Value + } + return nil +} + +var File_proto_thqcachepb_proto protoreflect.FileDescriptor + +var file_proto_thqcachepb_proto_rawDesc = []byte{ + 0x0a, 0x16, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x74, 0x68, 0x71, 0x63, 0x61, 0x63, 0x68, 0x65, + 0x70, 0x62, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0a, 0x74, 0x68, 0x71, 0x63, 0x61, 0x63, + 0x68, 0x65, 0x70, 0x62, 0x22, 0x31, 0x0a, 0x07, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, + 0x14, 0x0a, 0x05, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, + 0x67, 0x72, 0x6f, 0x75, 0x70, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, + 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x22, 0x20, 0x0a, 0x08, 0x52, 0x65, 0x73, 0x70, 0x6f, + 0x6e, 0x73, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x01, 0x20, 0x01, + 0x28, 0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c, 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make([]protoimpl.MessageInfo, 2) +var file_proto_thqcachepb_proto_goTypes = []interface{}{ + (*Request)(nil), // 0: thqcachepb.Request + (*Response)(nil), // 1: thqcachepb.Response +} +var file_proto_thqcachepb_proto_depIdxs = []int32{ + 0, // 0: thqcachepb.GroupCache.Get:input_type -> thqcachepb.Request + 1, // 1: thqcachepb.GroupCache.Get:output_type -> thqcachepb.Response + 1, // [1:2] is the sub-list for method output_type + 0, // [0:1] is the sub-list for method input_type + 0, // [0:0] is the sub-list for extension type_name + 0, // [0:0] is the sub-list for extension extendee + 0, // [0:0] is the sub-list for field type_name +} + +func init() { file_proto_thqcachepb_proto_init() } +func file_proto_thqcachepb_proto_init() { + if File_proto_thqcachepb_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_proto_thqcachepb_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Request); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_proto_thqcachepb_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Response); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_proto_thqcachepb_proto_rawDesc, + NumEnums: 0, + NumMessages: 2, + NumExtensions: 0, + NumServices: 1, + }, + GoTypes: file_proto_thqcachepb_proto_goTypes, + DependencyIndexes: file_proto_thqcachepb_proto_depIdxs, + MessageInfos: file_proto_thqcachepb_proto_msgTypes, + }.Build() + File_proto_thqcachepb_proto = out.File + file_proto_thqcachepb_proto_rawDesc = nil + file_proto_thqcachepb_proto_goTypes = nil + file_proto_thqcachepb_proto_depIdxs = nil +} + +// Reference imports to suppress errors if they are not otherwise used. +var _ context.Context +var _ grpc.ClientConnInterface + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the grpc package it is being compiled against. +const _ = grpc.SupportPackageIsVersion6 + +// GroupCacheClient is the client API for GroupCache service. +// +// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream. +type GroupCacheClient interface { + Get(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) +} + +type groupCacheClient struct { + cc grpc.ClientConnInterface +} + +func NewGroupCacheClient(cc grpc.ClientConnInterface) GroupCacheClient { + return &groupCacheClient{cc} +} + +func (c *groupCacheClient) Get(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) { + out := new(Response) + err := c.cc.Invoke(ctx, "/thqcachepb.GroupCache/Get", in, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + +// GroupCacheServer is the server API for GroupCache service. +type GroupCacheServer interface { + Get(context.Context, *Request) (*Response, error) +} + +// UnimplementedGroupCacheServer can be embedded to have forward compatible implementations. +type UnimplementedGroupCacheServer struct { +} + +func (*UnimplementedGroupCacheServer) Get(context.Context, *Request) (*Response, error) { + return nil, status.Errorf(codes.Unimplemented, "method Get not implemented") +} + +func RegisterGroupCacheServer(s *grpc.Server, srv GroupCacheServer) { + s.RegisterService(&_GroupCache_serviceDesc, srv) +} + +func _GroupCache_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(Request) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(GroupCacheServer).Get(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/thqcachepb.GroupCache/Get", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(GroupCacheServer).Get(ctx, req.(*Request)) + } + return interceptor(ctx, in, info, handler) +} + +var _GroupCache_serviceDesc = grpc.ServiceDesc{ + ServiceName: "thqcachepb.GroupCache", + HandlerType: (*GroupCacheServer)(nil), + Methods: []grpc.MethodDesc{ + { + MethodName: "Get", + Handler: _GroupCache_Get_Handler, + }, + }, + Streams: []grpc.StreamDesc{}, + Metadata: "proto/thqcachepb.proto", +} diff --git a/proto/thqcachepb.proto b/proto/thqcachepb.proto new file mode 100644 index 0000000..1d24aac --- /dev/null +++ b/proto/thqcachepb.proto @@ -0,0 +1,16 @@ +syntax = "proto3"; +option go_package = "./;proto"; +package thqcachepb; + +message Request { + string group = 1; + string key = 2; +} + +message Response { + bytes value = 1; +} + +service GroupCache { + rpc Get(Request) returns (Response); +} \ No newline at end of file diff --git a/thqcache.go b/thqcache.go index 44e90ff..b1a5149 100644 --- a/thqcache.go +++ b/thqcache.go @@ -2,6 +2,7 @@ package thqcache import ( "fmt" + pb "github.com/ithaiq/thqcache/proto" "github.com/ithaiq/thqcache/single" "sync" ) @@ -92,11 +93,16 @@ func (this *Group) load(key string) (value ByteValue, err error) { } func (this *Group) getFromPeer(peer PeerGetter, key string) (ByteValue, error) { - bytes, err := peer.Get(this.name, key) + req := &pb.Request{ + Group: this.name, + Key: key, + } + res := &pb.Response{} + err := peer.Get(req, res) if err != nil { return ByteValue{}, err } - return ByteValue{b: bytes}, nil + return ByteValue{b: res.Value}, nil } //loadLocal 加载本地数据到缓存