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Generate endpoints + transports

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This commit is contained in:
Manfred Touron 2016-12-13 15:31:37 +01:00
parent bffc245a82
commit f62940ac4c
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GPG Key ID: 9CCF47DF1FD978A1
18 changed files with 636 additions and 12 deletions
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1
examples/go-kit/services/session/gen/client/client.go
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package session_client

1
examples/go-kit/services/session/gen/cmd/session/main.go
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@ -1 +0,0 @@
package main

62
examples/go-kit/services/session/gen/endpoints/endpoints.go
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@ -1 +1,63 @@
package session_endpoints
import (
"fmt"
"github.com/go-kit/kit/endpoint"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/session"
context "golang.org/x/net/context"
)
var _ = fmt.Errorf
type Endpoints struct {
LoginEndpoint endpoint.Endpoint
LogoutEndpoint endpoint.Endpoint
}
func (e *Endpoints) Login(ctx context.Context, in *pb.LoginRequest) (*pb.LoginResponse, error) {
out, err := e.LoginEndpoint(ctx, in)
if err != nil {
return &pb.LoginResponse{ErrMsg: err.Error()}, err
}
return out.(*pb.LoginReply), err
}
func (e *Endpoints) Logout(ctx context.Context, in *pb.LogoutRequest) (*pb.LogoutResponse, error) {
out, err := e.LogoutEndpoint(ctx, in)
if err != nil {
return &pb.LogoutResponse{ErrMsg: err.Error()}, err
}
return out.(*pb.LogoutReply), err
}
func MakeLoginEndpoint(svc pb.SessionServiceServer) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(*pb.LoginRequest)
rep, err := svc.Login(ctx, req)
if err != nil {
return &pb.LoginReply{ErrMsg: err.Error()}, err
}
return rep, nil
}
}
func MakeLogoutEndpoint(svc pb.SessionServiceServer) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(*pb.LogoutRequest)
rep, err := svc.Logout(ctx, req)
if err != nil {
return &pb.LogoutReply{ErrMsg: err.Error()}, err
}
return rep, nil
}
}
func MakeEndpoints(svc pb.SessionServiceServer) Endpoints {
return Endpoints{
LoginEndpoint: MakeLoginEndpoint(svc),
LogoutEndpoint: MakeLogoutEndpoint(svc),
}
}

1
examples/go-kit/services/session/gen/init/init.go
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@ -1 +0,0 @@
package session_init

74
examples/go-kit/services/session/gen/transports/grpc/grpc.go
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@ -1 +1,75 @@
package session_transportgrpc
import (
"fmt"
grpctransport "github.com/go-kit/kit/transport/grpc"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/session"
endpoint "github.com/moul/protoc-gen-gotemplate/examples/go-kit/session/gen/endpoints"
context "golang.org/x/net/context"
)
// avoid import errors
var _ = fmt.Errorf
func MakeGRPCServer(ctx context.Context, endpoints endpoint.Endpoints) pb.SessionServiceServer {
options := []grpctransport.ServerOption{}
return &grpcServer{
login: grpctransport.NewServer(
ctx,
endpoints.LoginEndpoint,
decodeLoginRequest,
encodeLoginResponse,
options,
),
logout: grpctransport.NewServer(
ctx,
endpoints.LogoutEndpoint,
decodeLogoutRequest,
encodeLogoutResponse,
options,
),
}
}
type grpcServer struct {
login grpctransport.Handler
logout grpctransport.Handler
}
func (s *grpcServer) Login(ctx context.Context, req *pb.LoginRequest) (*pb.LoginReply, error) {
_, rep, err := s.login.ServeGRPC(ctx, req)
if err != nil {
return nil, err
}
return rep.(*pb.LoginReply), nil
}
func decodeLoginRequest(ctx context.Context, grpcReq interface{}) (interface{}, error) {
return grpcReq, nil
}
func encodeLoginResponse(ctx context.Context, response interface{}) (interface{}, error) {
resp := response.(*pb.LoginReply)
return resp, nil
}
func (s *grpcServer) Logout(ctx context.Context, req *pb.LogoutRequest) (*pb.LogoutReply, error) {
_, rep, err := s.logout.ServeGRPC(ctx, req)
if err != nil {
return nil, err
}
return rep.(*pb.LogoutReply), nil
}
func decodeLogoutRequest(ctx context.Context, grpcReq interface{}) (interface{}, error) {
return grpcReq, nil
}
func encodeLogoutResponse(ctx context.Context, response interface{}) (interface{}, error) {
resp := response.(*pb.LogoutReply)
return resp, nil
}

67
examples/go-kit/services/session/gen/transports/http/http.go
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@ -1 +1,68 @@
package session_transporthttp
import (
"encoding/json"
context "golang.org/x/net/context"
"log"
"net/http"
gokit_endpoint "github.com/go-kit/kit/endpoint"
httptransport "github.com/go-kit/kit/transport/http"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/session"
endpoints "github.com/moul/protoc-gen-gotemplate/examples/go-kit/session/gen/endpoints"
)
func MakeLoginHandler(ctx context.Context, svc pb.SessionServiceServer, endpoint gokit_endpoint.Endpoint) *httptransport.Server {
return httptransport.NewServer(
ctx,
endpoint,
decodeLoginRequest,
encodeLoginResponse,
append([]httptransport.ServerOption{}, httptransport.ServerBefore(jwt.ToHTTPContext()))...,
)
}
func decodeLoginRequest(ctx context.Context, r *http.Request) (interface{}, error) {
var req pb.LoginRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
return &req, nil
}
func encodeLoginResponse(ctx context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
func MakeLogoutHandler(ctx context.Context, svc pb.SessionServiceServer, endpoint gokit_endpoint.Endpoint) *httptransport.Server {
return httptransport.NewServer(
ctx,
endpoint,
decodeLogoutRequest,
encodeLogoutResponse,
append([]httptransport.ServerOption{}, httptransport.ServerBefore(jwt.ToHTTPContext()))...,
)
}
func decodeLogoutRequest(ctx context.Context, r *http.Request) (interface{}, error) {
var req pb.LogoutRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
return &req, nil
}
func encodeLogoutResponse(ctx context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
func RegisterHandlers(ctx context.Context, svc pb.SessionServiceServer, mux *http.ServeMux, endpoints endpoints.Endpoints) error {
log.Println("new HTTP endpoint: \"/Login\" (service=Session)")
mux.Handle("/Login", MakeLoginHandler(ctx, svc, endpoints.LoginEndpoint))
log.Println("new HTTP endpoint: \"/Logout\" (service=Session)")
mux.Handle("/Logout", MakeLogoutHandler(ctx, svc, endpoints.LogoutEndpoint))
return nil
}

1
examples/go-kit/services/sprint/gen/client/client.go
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package sprint_client

1
examples/go-kit/services/sprint/gen/cmd/sprint/main.go
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@ -1 +0,0 @@
package main

85
examples/go-kit/services/sprint/gen/endpoints/endpoints.go
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@ -1 +1,86 @@
package sprint_endpoints
import (
"fmt"
"github.com/go-kit/kit/endpoint"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/sprint"
context "golang.org/x/net/context"
)
var _ = fmt.Errorf
type Endpoints struct {
AddSprintEndpoint endpoint.Endpoint
CloseSprintEndpoint endpoint.Endpoint
GetSprintEndpoint endpoint.Endpoint
}
func (e *Endpoints) AddSprint(ctx context.Context, in *pb.AddSprintRequest) (*pb.AddSprintResponse, error) {
out, err := e.AddSprintEndpoint(ctx, in)
if err != nil {
return &pb.AddSprintResponse{ErrMsg: err.Error()}, err
}
return out.(*pb.AddSprintReply), err
}
func (e *Endpoints) CloseSprint(ctx context.Context, in *pb.CloseSprintRequest) (*pb.CloseSprintResponse, error) {
out, err := e.CloseSprintEndpoint(ctx, in)
if err != nil {
return &pb.CloseSprintResponse{ErrMsg: err.Error()}, err
}
return out.(*pb.CloseSprintReply), err
}
func (e *Endpoints) GetSprint(ctx context.Context, in *pb.GetSprintRequest) (*pb.GetSprintResponse, error) {
out, err := e.GetSprintEndpoint(ctx, in)
if err != nil {
return &pb.GetSprintResponse{ErrMsg: err.Error()}, err
}
return out.(*pb.GetSprintReply), err
}
func MakeAddSprintEndpoint(svc pb.SprintServiceServer) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(*pb.AddSprintRequest)
rep, err := svc.AddSprint(ctx, req)
if err != nil {
return &pb.AddSprintReply{ErrMsg: err.Error()}, err
}
return rep, nil
}
}
func MakeCloseSprintEndpoint(svc pb.SprintServiceServer) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(*pb.CloseSprintRequest)
rep, err := svc.CloseSprint(ctx, req)
if err != nil {
return &pb.CloseSprintReply{ErrMsg: err.Error()}, err
}
return rep, nil
}
}
func MakeGetSprintEndpoint(svc pb.SprintServiceServer) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(*pb.GetSprintRequest)
rep, err := svc.GetSprint(ctx, req)
if err != nil {
return &pb.GetSprintReply{ErrMsg: err.Error()}, err
}
return rep, nil
}
}
func MakeEndpoints(svc pb.SprintServiceServer) Endpoints {
return Endpoints{
AddSprintEndpoint: MakeAddSprintEndpoint(svc),
CloseSprintEndpoint: MakeCloseSprintEndpoint(svc),
GetSprintEndpoint: MakeGetSprintEndpoint(svc),
}
}

1
examples/go-kit/services/sprint/gen/init/init.go
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package sprint_init

101
examples/go-kit/services/sprint/gen/transports/grpc/grpc.go
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@ -1 +1,102 @@
package sprint_transportgrpc
import (
"fmt"
grpctransport "github.com/go-kit/kit/transport/grpc"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/sprint"
endpoint "github.com/moul/protoc-gen-gotemplate/examples/go-kit/sprint/gen/endpoints"
context "golang.org/x/net/context"
)
// avoid import errors
var _ = fmt.Errorf
func MakeGRPCServer(ctx context.Context, endpoints endpoint.Endpoints) pb.SprintServiceServer {
options := []grpctransport.ServerOption{}
return &grpcServer{
addsprint: grpctransport.NewServer(
ctx,
endpoints.AddSprintEndpoint,
decodeAddSprintRequest,
encodeAddSprintResponse,
options,
),
closesprint: grpctransport.NewServer(
ctx,
endpoints.CloseSprintEndpoint,
decodeCloseSprintRequest,
encodeCloseSprintResponse,
options,
),
getsprint: grpctransport.NewServer(
ctx,
endpoints.GetSprintEndpoint,
decodeGetSprintRequest,
encodeGetSprintResponse,
options,
),
}
}
type grpcServer struct {
addsprint grpctransport.Handler
closesprint grpctransport.Handler
getsprint grpctransport.Handler
}
func (s *grpcServer) AddSprint(ctx context.Context, req *pb.AddSprintRequest) (*pb.AddSprintReply, error) {
_, rep, err := s.addsprint.ServeGRPC(ctx, req)
if err != nil {
return nil, err
}
return rep.(*pb.AddSprintReply), nil
}
func decodeAddSprintRequest(ctx context.Context, grpcReq interface{}) (interface{}, error) {
return grpcReq, nil
}
func encodeAddSprintResponse(ctx context.Context, response interface{}) (interface{}, error) {
resp := response.(*pb.AddSprintReply)
return resp, nil
}
func (s *grpcServer) CloseSprint(ctx context.Context, req *pb.CloseSprintRequest) (*pb.CloseSprintReply, error) {
_, rep, err := s.closesprint.ServeGRPC(ctx, req)
if err != nil {
return nil, err
}
return rep.(*pb.CloseSprintReply), nil
}
func decodeCloseSprintRequest(ctx context.Context, grpcReq interface{}) (interface{}, error) {
return grpcReq, nil
}
func encodeCloseSprintResponse(ctx context.Context, response interface{}) (interface{}, error) {
resp := response.(*pb.CloseSprintReply)
return resp, nil
}
func (s *grpcServer) GetSprint(ctx context.Context, req *pb.GetSprintRequest) (*pb.GetSprintReply, error) {
_, rep, err := s.getsprint.ServeGRPC(ctx, req)
if err != nil {
return nil, err
}
return rep.(*pb.GetSprintReply), nil
}
func decodeGetSprintRequest(ctx context.Context, grpcReq interface{}) (interface{}, error) {
return grpcReq, nil
}
func encodeGetSprintResponse(ctx context.Context, response interface{}) (interface{}, error) {
resp := response.(*pb.GetSprintReply)
return resp, nil
}

92
examples/go-kit/services/sprint/gen/transports/http/http.go
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@ -1 +1,93 @@
package sprint_transporthttp
import (
"encoding/json"
context "golang.org/x/net/context"
"log"
"net/http"
gokit_endpoint "github.com/go-kit/kit/endpoint"
httptransport "github.com/go-kit/kit/transport/http"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/sprint"
endpoints "github.com/moul/protoc-gen-gotemplate/examples/go-kit/sprint/gen/endpoints"
)
func MakeAddSprintHandler(ctx context.Context, svc pb.SprintServiceServer, endpoint gokit_endpoint.Endpoint) *httptransport.Server {
return httptransport.NewServer(
ctx,
endpoint,
decodeAddSprintRequest,
encodeAddSprintResponse,
append([]httptransport.ServerOption{}, httptransport.ServerBefore(jwt.ToHTTPContext()))...,
)
}
func decodeAddSprintRequest(ctx context.Context, r *http.Request) (interface{}, error) {
var req pb.AddSprintRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
return &req, nil
}
func encodeAddSprintResponse(ctx context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
func MakeCloseSprintHandler(ctx context.Context, svc pb.SprintServiceServer, endpoint gokit_endpoint.Endpoint) *httptransport.Server {
return httptransport.NewServer(
ctx,
endpoint,
decodeCloseSprintRequest,
encodeCloseSprintResponse,
append([]httptransport.ServerOption{}, httptransport.ServerBefore(jwt.ToHTTPContext()))...,
)
}
func decodeCloseSprintRequest(ctx context.Context, r *http.Request) (interface{}, error) {
var req pb.CloseSprintRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
return &req, nil
}
func encodeCloseSprintResponse(ctx context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
func MakeGetSprintHandler(ctx context.Context, svc pb.SprintServiceServer, endpoint gokit_endpoint.Endpoint) *httptransport.Server {
return httptransport.NewServer(
ctx,
endpoint,
decodeGetSprintRequest,
encodeGetSprintResponse,
append([]httptransport.ServerOption{}, httptransport.ServerBefore(jwt.ToHTTPContext()))...,
)
}
func decodeGetSprintRequest(ctx context.Context, r *http.Request) (interface{}, error) {
var req pb.GetSprintRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
return &req, nil
}
func encodeGetSprintResponse(ctx context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
func RegisterHandlers(ctx context.Context, svc pb.SprintServiceServer, mux *http.ServeMux, endpoints endpoints.Endpoints) error {
log.Println("new HTTP endpoint: \"/AddSprint\" (service=Sprint)")
mux.Handle("/AddSprint", MakeAddSprintHandler(ctx, svc, endpoints.AddSprintEndpoint))
log.Println("new HTTP endpoint: \"/CloseSprint\" (service=Sprint)")
mux.Handle("/CloseSprint", MakeCloseSprintHandler(ctx, svc, endpoints.CloseSprintEndpoint))
log.Println("new HTTP endpoint: \"/GetSprint\" (service=Sprint)")
mux.Handle("/GetSprint", MakeGetSprintHandler(ctx, svc, endpoints.GetSprintEndpoint))
return nil
}

1
examples/go-kit/templates/{{.File.Package}}/gen/client/client.go.tmpl
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@ -1 +0,0 @@
package {{.File.Package}}_client

1
examples/go-kit/templates/{{.File.Package}}/gen/cmd/{{.File.Package}}/main.go.tmpl
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@ -1 +0,0 @@
package main

48
examples/go-kit/templates/{{.File.Package}}/gen/endpoints/endpoints.go.tmpl
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@ -1 +1,49 @@
package {{.File.Package}}_endpoints
{{$file := .File}}
import (
"fmt"
context "golang.org/x/net/context"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/{{.File.Package}}"
"github.com/go-kit/kit/endpoint"
)
var _ = fmt.Errorf
type Endpoints struct {
{{range .Service.Method}}
{{.Name}}Endpoint endpoint.Endpoint
{{end}}
}
{{range .Service.Method}}
func (e *Endpoints){{.Name}}(ctx context.Context, in *pb.{{.Name}}Request) (*pb.{{.Name}}Response, error) {
out, err := e.{{.Name}}Endpoint(ctx, in)
if err != nil {
return &pb.{{.Name}}Response{ErrMsg: err.Error()}, err
}
return out.(*pb.{{.Name}}Reply), err
}
{{end}}
{{range .Service.Method}}
func Make{{.Name}}Endpoint(svc pb.{{$file.Package | title}}ServiceServer) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(*pb.{{.Name}}Request)
rep, err := svc.{{.Name}}(ctx, req)
if err != nil {
return &pb.{{.Name}}Reply{ErrMsg: err.Error()}, err
}
return rep, nil
}
}
{{end}}
func MakeEndpoints(svc pb.{{.File.Package | title}}ServiceServer) Endpoints {
return Endpoints{
{{range .Service.Method}}
{{.Name}}Endpoint: Make{{.Name}}Endpoint(svc),
{{end}}
}
}

1
examples/go-kit/templates/{{.File.Package}}/gen/init/init.go.tmpl
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@ -1 +0,0 @@
package {{.File.Package}}_init

58
examples/go-kit/templates/{{.File.Package}}/gen/transports/grpc/grpc.go.tmpl
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@ -1 +1,59 @@
package {{.File.Package}}_transportgrpc
{{$file := .File}}
import (
"fmt"
context "golang.org/x/net/context"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/{{.File.Package}}"
grpctransport "github.com/go-kit/kit/transport/grpc"
endpoint "github.com/moul/protoc-gen-gotemplate/examples/go-kit/{{.File.Package}}/gen/endpoints"
)
// avoid import errors
var _ = fmt.Errorf
func MakeGRPCServer(ctx context.Context, endpoints endpoint.Endpoints) pb.{{.File.Package | title}}ServiceServer {
options := []grpctransport.ServerOption{}
return &grpcServer{
{{range .Service.Method}}
{{if not .ServerStreaming}}
{{if not .ClientStreaming}}
{{.Name | lower}}: grpctransport.NewServer(
ctx,
endpoints.{{.Name}}Endpoint,
decode{{.Name}}Request,
encode{{.Name}}Response,
options,
),
{{end}}
{{end}}
{{end}}
}
}
type grpcServer struct {
{{range .Service.Method}}
{{.Name | lower}} grpctransport.Handler
{{end}}
}
{{range .Service.Method}}
func (s *grpcServer) {{.Name}}(ctx context.Context, req *pb.{{.Name}}Request) (*pb.{{.Name}}Reply, error) {
_, rep, err := s.{{.Name | lower}}.ServeGRPC(ctx, req)
if err != nil {
return nil, err
}
return rep.(*pb.{{.Name}}Reply), nil
}
func decode{{.Name}}Request(ctx context.Context, grpcReq interface{}) (interface{}, error) {
return grpcReq, nil
}
func encode{{.Name}}Response(ctx context.Context, response interface{}) (interface{}, error) {
resp := response.(*pb.{{.Name}}Reply)
return resp, nil
}
{{end}}

46
examples/go-kit/templates/{{.File.Package}}/gen/transports/http/http.go.tmpl
View File

@ -1 +1,47 @@
package {{.File.Package}}_transporthttp
{{$file := .File}}
import (
"log"
"net/http"
"encoding/json"
context "golang.org/x/net/context"
pb "github.com/moul/protoc-gen-gotemplate/examples/go-kit/services/{{.File.Package}}"
gokit_endpoint "github.com/go-kit/kit/endpoint"
httptransport "github.com/go-kit/kit/transport/http"
endpoints "github.com/moul/protoc-gen-gotemplate/examples/go-kit/{{.File.Package}}/gen/endpoints"
)
{{range .Service.Method}}
func Make{{.Name}}Handler(ctx context.Context, svc pb.{{$file.Package | title}}ServiceServer, endpoint gokit_endpoint.Endpoint) *httptransport.Server {
return httptransport.NewServer(
ctx,
endpoint,
decode{{.Name}}Request,
encode{{.Name}}Response,
append([]httptransport.ServerOption{}, httptransport.ServerBefore(jwt.ToHTTPContext()))...,
)
}
func decode{{.Name}}Request(ctx context.Context, r *http.Request) (interface{}, error) {
var req pb.{{.Name}}Request
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
return &req, nil
}
func encode{{.Name}}Response(ctx context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
{{end}}
func RegisterHandlers(ctx context.Context, svc pb.{{$file.Package | title}}ServiceServer, mux *http.ServeMux, endpoints endpoints.Endpoints) error {
{{range .Service.Method}}
log.Println("new HTTP endpoint: \"/{{.Name}}\" (service={{$file.Package | title}})")
mux.Handle("/{{.Name}}", Make{{.Name}}Handler(ctx, svc, endpoints.{{.Name}}Endpoint))
{{end}}
return nil
}