unistack-org/protoc-gen-go-micro
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allow to catch response headers #63

Merged
vtolstov merged 2 commits from catch_response_headers into v3 2022-11-15 13:09:44 +03:00
Conversation 0 Commits 2 Files Changed 8 +103 -16
8 changed files with 103 additions and 16 deletions
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Showing only changes of commit 83b6567d3e - Show all commits

2
example/example.proto
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@ -26,7 +26,7 @@ service Example {
}
};
option (micro.api.http) = { post: "/v1/example/call/{name}"; body: "*"; };
option (micro.api.micro_method) = { timeout: 5; };
option (micro.api.micro_method) = { timeout: "5s"; };
};
};

4
go.mod
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@ -4,7 +4,7 @@ go 1.16
require (
github.com/fatih/structtag v1.2.0
go.unistack.org/micro-proto/v3 v3.2.7
go.unistack.org/micro-proto/v3 v3.3.1
golang.org/x/tools v0.1.10
google.golang.org/protobuf v1.27.1
google.golang.org/protobuf v1.28.1
)

11
go.sum
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@ -39,8 +39,8 @@ github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/gnostic v0.6.6 h1:MVSM2r2j9aRUvYNym66JGW96Ddd5MN4sTi59yktb6yk=
github.com/google/gnostic v0.6.6/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E=
github.com/google/gnostic v0.6.9 h1:ZK/5VhkoX835RikCHpSUJV9a+S3e1zLh59YnyWeBW+0=
github.com/google/gnostic v0.6.9/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@ -68,8 +68,8 @@ github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:
github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.unistack.org/micro-proto/v3 v3.2.7 h1:zG6d69kHc+oij2lwQ3AfrCgdjiEVRG2A7TlsxjusWs4=
go.unistack.org/micro-proto/v3 v3.2.7/go.mod h1:ZltVWNECD5yK+40+OCONzGw4OtmSdTpVi8/KFgo9dqM=
go.unistack.org/micro-proto/v3 v3.3.1 h1:nQ0MtWvP2G3QrpOgawVOPhpZZYkq6umTGDqs8FxJYIo=
go.unistack.org/micro-proto/v3 v3.3.1/go.mod h1:cwRyv8uInM2I7EbU7O8Fx2Ls3N90Uw9UCCcq4olOdfE=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
@ -153,8 +153,9 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

3
main.go
View File

@ -18,6 +18,7 @@ var (
flagComponents = flagSet.String("components", "micro|rpc|http|client|server|openapiv3", "specify components to generate")
flagTagPath = flagSet.String("tag_path", "", "tag rewriting dir")
flagOpenapiFile = flagSet.String("openapi_file", "apidocs.swagger.json", "openapi file name")
flagReflection = flagSet.Bool("reflection", false, "enable server reflection support")
flagHelp = flagSet.Bool("help", false, "display help message")
)
@ -45,6 +46,7 @@ type Generator struct {
fieldaligment bool
tagPath string
openapiFile string
reflection bool
plugin *protogen.Plugin
}
@ -58,6 +60,7 @@ func (g *Generator) Generate(plugin *protogen.Plugin) error {
g.fieldaligment = *flagFieldaligment
g.tagPath = *flagTagPath
g.openapiFile = *flagOpenapiFile
g.reflection = *flagReflection
plugin.SupportedFeatures = uint64(pluginpb.CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL)
var genClient bool

20
micro.go
View File

@ -1,6 +1,8 @@
package main
import (
"fmt"
"google.golang.org/protobuf/compiler/protogen"
)
@ -22,8 +24,10 @@ func (g *Generator) microGenerate(component string, plugin *protogen.Plugin, gen
gfile := plugin.NewGeneratedFile(gname, path)
gfile.P("// Code generated by protoc-gen-go-micro. DO NOT EDIT.")
gfile.P("// protoc-gen-go-micro version: " + versionComment)
gfile.P("// source: ", file.Proto.GetName())
gfile.P("// versions:")
gfile.P("// - protoc-gen-go-micro " + versionComment)
gfile.P("// - protoc ", protocVersion(plugin))
gfile.P("// source: ", file.Desc.Path())
gfile.P()
gfile.P("package ", file.GoPackageName)
gfile.P()
@ -50,3 +54,15 @@ func (g *Generator) microGenerate(component string, plugin *protogen.Plugin, gen
return nil
}
func protocVersion(plugin *protogen.Plugin) string {
v := plugin.Request.GetCompilerVersion()
if v == nil {
return "(unknown)"
}
var suffix string
if s := v.GetSuffix(); s != "" {
suffix = "-" + s
}
return fmt.Sprintf("v%d.%d.%d%s", v.GetMajor(), v.GetMinor(), v.GetPatch(), suffix)
}

3
rpc.go
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@ -45,6 +45,9 @@ func (g *Generator) rpcGenerate(component string, plugin *protogen.Plugin, genCl
g.generateServiceServerMethods(gfile, service)
g.generateServiceRegister(gfile, service)
}
if component == "grpc" && g.reflection {
g.generateServiceDesc(gfile, file, service)
}
}
}

74
util.go
View File

@ -4,7 +4,9 @@ import (
"fmt"
"log"
"net/http"
"strconv"
"strings"
"time"
api_options "go.unistack.org/micro-proto/v3/api"
v2 "go.unistack.org/micro-proto/v3/openapiv2"
@ -213,8 +215,14 @@ func (g *Generator) generateServiceClientMethods(gfile *protogen.GeneratedFile,
}
if rule, ok := getMicroApiMethod(method); ok {
if rule.Timeout > 0 {
gfile.P("opts = append(opts, ", microClientPackage.Ident("WithRequestTimeout"), "(", timePackage.Ident("Second"), "*", rule.Timeout, "))")
if rule.Timeout != "" {
td, err := time.ParseDuration(rule.Timeout)
if err != nil {
log.Printf("parse duration error %s\n", err.Error())
} else {
gfile.P("td := uint64(", td.Nanoseconds(), ")")
gfile.P("opts = append(opts, ", microClientPackage.Ident("WithRequestTimeout"), "(", timePackage.Ident("Nanosecond"), "* ", "td", "))")
}
}
}
@ -287,6 +295,11 @@ func (g *Generator) generateServiceClientMethods(gfile *protogen.GeneratedFile,
gfile.P()
if method.Desc.IsStreamingClient() {
gfile.P("func (s *", unexport(serviceName), "Client", method.GoName, ") Header() ", microMetadataPackage.Ident("Metadata"), "{")
gfile.P("return s.stream.Response().Header()")
gfile.P("}")
gfile.P()
gfile.P("func (s *", unexport(serviceName), "Client", method.GoName, ") Send(msg *", gfile.QualifiedGoIdent(method.Input.GoIdent), ") error {")
gfile.P("return s.stream.Send(msg)")
gfile.P("}")
@ -319,10 +332,16 @@ func (g *Generator) generateServiceServerMethods(gfile *protogen.GeneratedFile,
for _, method := range service.Methods {
generateServerFuncSignature(gfile, serviceName, method, true)
if rule, ok := getMicroApiMethod(method); ok {
if rule.Timeout > 0 {
gfile.P("var cancel ", contextPackage.Ident("CancelFunc"))
gfile.P("ctx, cancel = ", contextPackage.Ident("WithTimeout"), "(ctx, ", timePackage.Ident("Second"), "*", rule.Timeout, ")")
gfile.P("defer cancel()")
if rule.Timeout != "" {
td, err := time.ParseDuration(rule.Timeout)
if err != nil {
log.Printf("parse duration error %s\n", err.Error())
} else {
gfile.P("var cancel ", contextPackage.Ident("CancelFunc"))
gfile.P("td := ", timePackage.Ident("Duration"), "(", td.Nanoseconds(), ")")
gfile.P("ctx, cancel = ", contextPackage.Ident("WithTimeout"), "(ctx, ", "td", ")")
gfile.P("defer cancel()")
}
}
}
if method.Desc.IsStreamingClient() || method.Desc.IsStreamingServer() {
@ -598,6 +617,7 @@ func (g *Generator) generateServiceClientStreamInterface(gfile *protogen.Generat
}
gfile.P("Close() error")
if method.Desc.IsStreamingClient() {
gfile.P("Header() ", microMetadataPackage.Ident("Metadata"))
gfile.P("Send(msg *", gfile.QualifiedGoIdent(method.Input.GoIdent), ") error")
}
if method.Desc.IsStreamingServer() {
@ -798,3 +818,45 @@ func getGoIdentByMessage(messages []*protogen.Message, msg string) (protogen.GoI
}
return protogen.GoIdent{}, fmt.Errorf("not found")
}
func (g *Generator) generateServiceDesc(gfile *protogen.GeneratedFile, file *protogen.File, service *protogen.Service) {
serviceName := service.GoName
gfile.P("// ", serviceName, "_ServiceDesc", " is the ", grpcPackage.Ident("ServiceDesc"), " for ", serviceName, " service.")
gfile.P("// It's only intended for direct use with ", grpcPackage.Ident("RegisterService"), ",")
gfile.P("// and not to be introspected or modified (even as a copy)")
gfile.P("var ", serviceName, "_ServiceDesc", " = ", grpcPackage.Ident("ServiceDesc"), " {")
gfile.P("ServiceName: ", strconv.Quote(string(service.Desc.FullName())), ",")
gfile.P("HandlerType: (*", serviceName, "Server)(nil),")
gfile.P("Methods: []", grpcPackage.Ident("MethodDesc"), "{")
for _, method := range service.Methods {
if method.Desc.IsStreamingClient() || method.Desc.IsStreamingServer() {
continue
}
gfile.P("{")
gfile.P("MethodName: ", strconv.Quote(string(method.Desc.Name())), ",")
gfile.P("Handler: ", method.GoName, ",")
gfile.P("},")
}
gfile.P("},")
gfile.P("Streams: []", grpcPackage.Ident("StreamDesc"), "{")
for _, method := range service.Methods {
if !method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
continue
}
gfile.P("{")
gfile.P("StreamName: ", strconv.Quote(string(method.Desc.Name())), ",")
gfile.P("Handler: ", method.GoName, ",")
if method.Desc.IsStreamingServer() {
gfile.P("ServerStreams: true,")
}
if method.Desc.IsStreamingClient() {
gfile.P("ClientStreams: true,")
}
gfile.P("},")
}
gfile.P("},")
gfile.P("Metadata: \"", file.Desc.Path(), "\",")
gfile.P("}")
gfile.P()
}

2
variables.go
View File

@ -12,12 +12,14 @@ var (
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")
microClientHttpPackage = protogen.GoImportPath("go.unistack.org/micro-client-http/v3")
microServerHttpPackage = protogen.GoImportPath("go.unistack.org/micro-server-http/v3")
microCodecPackage = protogen.GoImportPath("go.unistack.org/micro/v3/codec")
microErrorsPackage = protogen.GoImportPath("go.unistack.org/micro/v3/errors")
grpcPackage = protogen.GoImportPath("google.golang.org/grpc")
timePackage = protogen.GoImportPath("time")
deprecationComment = "// Deprecated: Do not use."
versionComment = "v3.5.3"