unistack-org/protoc-gen-go-micro
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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2023-02-22 00:05:54 +03:00
parent d519d8ac6d
commit 388a58d998
7 changed files with 45 additions and 59 deletions
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17
chi.go
View File

@ -4,9 +4,7 @@ import (
"google.golang.org/protobuf/compiler/protogen"
)
var (
chiPackageFiles map[protogen.GoPackageName]struct{}
)
var chiPackageFiles map[protogen.GoPackageName]struct{}
func (g *Generator) chiGenerate(component string, plugin *protogen.Plugin) error {
chiPackageFiles = make(map[protogen.GoPackageName]struct{})
@ -43,7 +41,6 @@ func (g *Generator) chiGenerate(component string, plugin *protogen.Plugin) error
gfile.Import(stringsPackage)
gfile.Import(chiPackage)
gfile.Import(chiMiddlewarePackage)
gfile.Import(microApiPackage)
gfile.P("type routeKey struct{}")
@ -52,17 +49,17 @@ func (g *Generator) chiGenerate(component string, plugin *protogen.Plugin) error
gfile.P("return value, ok")
gfile.P("}")
gfile.P()
gfile.P("func RegisterHandlers(r *", chiPackage.Ident("Mux"), ", h interface{}, eps []*", microApiPackage.Ident("Endpoint"), ") error {")
gfile.P("func RegisterHandlers(r *", chiPackage.Ident("Mux"), ", h interface{}, eps []", microServerHttpPackage.Ident("EndpointMetadata"), ") error {")
gfile.P("v := ", reflectPackage.Ident("ValueOf"), "(h)")
gfile.P("if v.NumMethod() < 1 {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("handler has no methods: %T", h)`)
gfile.P("}")
gfile.P("for _, ep := range eps {")
gfile.P(`idx := `, stringsPackage.Ident("Index"), `(ep.Name, ".")`)
gfile.P("if idx < 1 || len(ep.Name) <= idx {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid `, microApiPackage.Ident("Endpoint"), ` name: %s", ep.Name)`)
gfile.P(`if idx < 1 || len(ep.Name) <= idx {`)
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid endpoint name: %s", ep.Name)`)
gfile.P("}")
gfile.P("name := ep.Name[idx+1:]")
gfile.P(`name := ep.Name[idx+1:]`)
gfile.P("m := v.MethodByName(name)")
gfile.P("if !m.IsValid() || m.IsZero() {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid handler, method %s not found", name)`)
@ -71,9 +68,7 @@ func (g *Generator) chiGenerate(component string, plugin *protogen.Plugin) error
gfile.P("if !ok {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid handler: %#+v", m.Interface())`)
gfile.P("}")
gfile.P("for _, method := range ep.Method {")
gfile.P("r.With(", chiMiddlewarePackage.Ident("WithValue"), "(routeKey{}, ep.Name)).MethodFunc(method, ep.Path[0], rh)")
gfile.P("}")
gfile.P("r.With(", chiMiddlewarePackage.Ident("WithValue"), `(routeKey{}, ep.Name)).MethodFunc(ep.Method, ep.Path, rh)`)
gfile.P("}")
gfile.P("return nil")
gfile.P("}")

15
gorilla.go
View File

@ -4,9 +4,7 @@ import (
"google.golang.org/protobuf/compiler/protogen"
)
var (
gorillaPackageFiles map[protogen.GoPackageName]struct{}
)
var gorillaPackageFiles map[protogen.GoPackageName]struct{}
func (g *Generator) gorillaGenerate(component string, plugin *protogen.Plugin) error {
gorillaPackageFiles = make(map[protogen.GoPackageName]struct{})
@ -40,20 +38,19 @@ func (g *Generator) gorillaGenerate(component string, plugin *protogen.Plugin) e
gfile.Import(httpPackage)
gfile.Import(reflectPackage)
gfile.Import(stringsPackage)
gfile.Import(microApiPackage)
gfile.Import(gorillaMuxPackage)
gfile.P("func RegisterHandlers(r *", gorillaMuxPackage.Ident("Router"), ", h interface{}, eps []*", microApiPackage.Ident("Endpoint"), ") error {")
gfile.P("func RegisterHandlers(r *", gorillaMuxPackage.Ident("Router"), ", h interface{}, eps []", microServerHttpPackage.Ident("EndpointMetadata"), ") error {")
gfile.P("v := ", reflectPackage.Ident("ValueOf"), "(h)")
gfile.P("if v.NumMethod() < 1 {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("handler has no methods: %T", h)`)
gfile.P("}")
gfile.P("for _, ep := range eps {")
gfile.P(`idx := `, stringsPackage.Ident("Index"), `(ep.Name, ".")`)
gfile.P("if idx < 1 || len(ep.Name) <= idx {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid `, microApiPackage.Ident("Endpoint"), ` name: %s", ep.Name)`)
gfile.P(`if idx < 1 || len(ep.Name) <= idx {`)
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid endpoint name: %s", ep.Name)`)
gfile.P("}")
gfile.P("name := ep.Name[idx+1:]")
gfile.P(`name := ep.Name[idx+1:]`)
gfile.P("m := v.MethodByName(name)")
gfile.P("if !m.IsValid() || m.IsZero() {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid handler, method %s not found", name)`)
@ -62,7 +59,7 @@ func (g *Generator) gorillaGenerate(component string, plugin *protogen.Plugin) e
gfile.P("if !ok {")
gfile.P(`return `, fmtPackage.Ident("Errorf"), `("invalid handler: %#+v", m.Interface())`)
gfile.P("}")
gfile.P("r.HandleFunc(ep.Path[0], rh).Methods(ep.Method...).Name(ep.Name)")
gfile.P(`r.HandleFunc(ep.Path, rh).Methods(ep.Method).Name(ep.Name)`)
gfile.P("}")
gfile.P("return nil")
gfile.P("}")

1
http.go
View File

@ -28,7 +28,6 @@ func (g *Generator) httpGenerate(component string, plugin *protogen.Plugin, genC
gfile.P()
gfile.Import(contextPackage)
gfile.Import(microApiPackage)
if genClient {
gfile.Import(microClientPackage)

3
micro.go
View File

@ -33,12 +33,13 @@ func (g *Generator) microGenerate(component string, plugin *protogen.Plugin, gen
gfile.P()
gfile.Import(contextPackage)
gfile.Import(microApiPackage)
if genClient {
gfile.Import(microClientPackage)
}
// generate services
for _, service := range file.Services {
g.generateServiceName(gfile, service)
g.generateServiceEndpoints(gfile, service)
if genClient {
g.generateServiceClientInterface(gfile, service)

2
rpc.go
View File

@ -28,7 +28,7 @@ func (g *Generator) rpcGenerate(component string, plugin *protogen.Plugin, genCl
gfile.P()
gfile.Import(contextPackage)
gfile.Import(microApiPackage)
if genClient {
gfile.Import(microClientPackage)
}

63
util.go
View File

@ -481,48 +481,16 @@ func (g *Generator) generateServiceRegister(gfile *protogen.GeneratedFile, servi
serviceName := service.GoName
gfile.P("func Register", serviceName, "Server(s ", microServerPackage.Ident("Server"), ", sh ", serviceName, "Server, opts ...", microServerPackage.Ident("HandlerOption"), ") error {")
gfile.P("type ", unexport(serviceName), " interface {")
var endpoints []*api_options.HttpRule
for _, method := range service.Methods {
generateServerSignature(gfile, serviceName, method, true)
if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
if ep, _ := generateEndpoints(method); ep != nil {
endpoints = append(endpoints, ep...)
}
}
}
gfile.P("}")
gfile.P("type ", serviceName, " struct {")
gfile.P(unexport(serviceName))
gfile.P("}")
gfile.P("h := &", unexport(serviceName), "Server{sh}")
gfile.P("var nopts []", microServerPackage.Ident("HandlerOption"))
for _, method := range service.Methods {
if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
if endpoints, streaming := generateEndpoints(method); endpoints != nil {
gfile.P("nopts = append(nopts, ", microServerHttpPackage.Ident("HandlerMetadata"), "(", "map[string]map[string]string{")
for _, ep := range endpoints {
path, method, body := getEndpoint(ep)
gfile.P(`"`, path, `":map[string]string{`)
if vmethod, ok := httpMethodMap[method]; ok {
gfile.P(`"Method": `, httpPackage.Ident(vmethod), `,`)
} else {
gfile.P(`"Method": "`, method, `",`)
}
if body != "" {
gfile.P(`"Body": "`, body, `",`)
}
if streaming {
gfile.P(`"Stream": "true",`)
} else {
gfile.P(`"Stream": "false",`)
}
gfile.P(`},`)
}
gfile.P("}", "))")
}
}
}
gfile.P("nopts = append(nopts, ", microServerHttpPackage.Ident("HandlerEndpoints"), "(", serviceName, "ServerEndpoints))")
gfile.P("return s.Handle(s.NewHandler(&", serviceName, "{h}, append(nopts, opts...)...))")
gfile.P("}")
@ -863,9 +831,36 @@ func (g *Generator) generateServiceDesc(gfile *protogen.GeneratedFile, file *pro
gfile.P()
}
func (g *Generator) generateServiceEndpoints(gfile *protogen.GeneratedFile, service *protogen.Service) {
func (g *Generator) generateServiceName(gfile *protogen.GeneratedFile, service *protogen.Service) {
serviceName := service.GoName
gfile.P("var (")
gfile.P(serviceName, "Name", "=", `"`, serviceName, `"`)
gfile.P(")")
}
func (g *Generator) generateServiceEndpoints(gfile *protogen.GeneratedFile, service *protogen.Service) {
serviceName := service.GoName
gfile.P("var (")
gfile.P(serviceName, "ServerEndpoints = []", microServerHttpPackage.Ident("EndpointMetadata"), "{")
for _, method := range service.Methods {
if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
if endpoints, streaming := generateEndpoints(method); endpoints != nil {
for _, ep := range endpoints {
epath, emethod, ebody := getEndpoint(ep)
gfile.P("{")
gfile.P(`Name: "`, serviceName+"."+method.GoName, `",`)
gfile.P(`Path: "`, epath, `",`)
gfile.P(`Method: "`, emethod, `",`)
gfile.P(`Body: "`, ebody, `",`)
gfile.P(`Stream: `, streaming, `,`)
gfile.P("},")
}
}
}
}
gfile.P("}")
gfile.P(")")
}

3
variables.go
View File

@ -11,7 +11,6 @@ var (
gorillaMuxPackage = protogen.GoImportPath("github.com/gorilla/mux")
chiPackage = protogen.GoImportPath("github.com/go-chi/chi/v5")
chiMiddlewarePackage = protogen.GoImportPath("github.com/go-chi/chi/v5/middleware")
microApiPackage = protogen.GoImportPath("go.unistack.org/micro/v3/api")
microMetadataPackage = protogen.GoImportPath("go.unistack.org/micro/v3/metadata")
microClientPackage = protogen.GoImportPath("go.unistack.org/micro/v3/client")
microServerPackage = protogen.GoImportPath("go.unistack.org/micro/v3/server")
@ -22,5 +21,5 @@ var (
grpcPackage = protogen.GoImportPath("google.golang.org/grpc")
timePackage = protogen.GoImportPath("time")
deprecationComment = "// Deprecated: Do not use."
versionComment = "v3.5.3"
versionComment = "v3.10.2"
)