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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| /** | ||
| * @Time : 27/04/2020 12:00 PM | ||
| * @Author : solacowa@gmail.com | ||
| * @File : grpc | ||
| * @Software: GoLand | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/icowan/shorter/pkg/grpc/pb" | ||
| "google.golang.org/grpc" | ||
| "log" | ||
| "time" | ||
| ) | ||
|
|
||
| func main() { | ||
| conn, err := grpc.Dial("127.0.0.1:8082", grpc.WithInsecure(), grpc.WithBlock()) | ||
| if err != nil { | ||
| log.Fatalf("did not connect: %v", err) | ||
| } | ||
| defer func() { | ||
| _ = conn.Close() | ||
| }() | ||
|
|
||
| svc := pb.NewShorterClient(conn) | ||
|
|
||
| ctx, cancel := context.WithTimeout(context.Background(), time.Second) | ||
| defer cancel() | ||
|
|
||
| r, err := svc.Post(ctx, &pb.PostRequest{ | ||
| Domain: "https://www.baidu.com", | ||
| }) | ||
| if err != nil { | ||
| log.Fatalf("could not put: %v", err) | ||
| } | ||
|
|
||
| fmt.Println("Code", r.Data.Code, "ShortUri", r.Data.ShortUri) | ||
|
|
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| r, err = svc.Get(ctx, &pb.GetRequest{ | ||
| Code: r.Data.Code, | ||
| }) | ||
| if err != nil { | ||
| log.Fatalf("could not get: %v", err) | ||
| } | ||
| log.Printf("data: %s", r.GetData()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /** | ||
| * @Time : 27/04/2020 11:34 AM | ||
| * @Author : solacowa@gmail.com | ||
| * @File : handler | ||
| * @Software: GoLand | ||
| */ | ||
|
|
||
| package grpc | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/icowan/shorter/pkg/service" | ||
|
|
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| kitgrpc "github.com/go-kit/kit/transport/grpc" | ||
| endpoint2 "github.com/icowan/shorter/pkg/endpoint" | ||
| "github.com/icowan/shorter/pkg/grpc/pb" | ||
| ) | ||
|
|
||
| type grpcServer struct { | ||
| get kitgrpc.Handler | ||
| post kitgrpc.Handler | ||
| } | ||
|
|
||
| func (g *grpcServer) Get(ctx context.Context, req *pb.GetRequest) (*pb.ServiceResponse, error) { | ||
| _, rep, err := g.get.ServeGRPC(ctx, req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return rep.(*pb.ServiceResponse), nil | ||
| } | ||
|
|
||
| func (g *grpcServer) Post(ctx context.Context, req *pb.PostRequest) (*pb.ServiceResponse, error) { | ||
| _, rep, err := g.post.ServeGRPC(ctx, req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return rep.(*pb.ServiceResponse), nil | ||
| } | ||
|
|
||
| func MakeGRPCHandler(eps endpoint2.Endpoints, opts map[string][]kitgrpc.ServerOption) pb.ShorterServer { | ||
| return &grpcServer{ | ||
| get: kitgrpc.NewServer( | ||
| eps.GetEndpoint, | ||
| decodeGetRequest, | ||
| encodeResponse, | ||
| opts["Get"]..., | ||
| ), | ||
| post: kitgrpc.NewServer( | ||
| eps.PostEndpoint, | ||
| decodePostRequest, | ||
| encodePostResponse, | ||
| opts["Post"]..., | ||
| ), | ||
| } | ||
| } | ||
|
|
||
| func decodePostRequest(ctx context.Context, r interface{}) (interface{}, error) { | ||
| return endpoint2.PostRequest{URL: r.(*pb.PostRequest).GetDomain()}, nil | ||
| } | ||
|
|
||
| func decodeGetRequest(_ context.Context, r interface{}) (interface{}, error) { | ||
| return endpoint2.GetRequest{Code: r.(*pb.GetRequest).Code}, nil | ||
| } | ||
|
|
||
| func encodeResponse(_ context.Context, r interface{}) (interface{}, error) { | ||
| resp := r.(endpoint2.GetResponse) | ||
| var ( | ||
| errStr string | ||
| err error | ||
| dataResponse *pb.ResponseData | ||
| ) | ||
| if resp.Err != nil { | ||
| errStr = resp.Err.Error() | ||
| err = resp.Err | ||
| } | ||
| if resp.Data != nil { | ||
| data := resp.Data.(*service.Redirect) | ||
| dataResponse = &pb.ResponseData{ | ||
| Url: data.URL, | ||
| Code: data.Code, | ||
| ShortUri: data.URL, | ||
| } | ||
| } | ||
|
|
||
| return &pb.ServiceResponse{ | ||
| Data: dataResponse, | ||
| Err: errStr, | ||
| }, err | ||
| } | ||
|
|
||
| func encodePostResponse(_ context.Context, r interface{}) (interface{}, error) { | ||
| resp := r.(endpoint2.PostResponse) | ||
| var ( | ||
| errStr string | ||
| err error | ||
| ) | ||
| if resp.Err != nil { | ||
| errStr = resp.Err.Error() | ||
| err = resp.Err | ||
| } | ||
| return &pb.ServiceResponse{ | ||
| Data: &pb.ResponseData{ | ||
| Url: resp.Data.Url, | ||
| Code: resp.Data.Code, | ||
| ShortUri: resp.Data.ShortUri, | ||
| }, | ||
| Err: errStr, | ||
| }, err | ||
| } |
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