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feat(webserver): add UnaryHandler which returns a unary server handle…
…r for [http handler] --> [grpc server handler] without grpc client dials to grpc server. gRPC-Gateway does not support gRPC interceptors when call gRPC's service handler in process. See: grpc-ecosystem/grpc-gateway#1043
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Copyright 2024 The searKing Author. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package webserver | ||
|
|
||
| import ( | ||
| "github.com/searKing/golang/pkg/webserver/pkg/stats" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
| ) | ||
|
|
||
| func (f *Factory) ServerOptions(opts ...grpc.ServerOption) []grpc.ServerOption { | ||
| if f.fc.MaxReceiveMessageSizeInBytes > 0 { | ||
| opts = append(opts, grpc.MaxRecvMsgSize(f.fc.MaxReceiveMessageSizeInBytes)) | ||
| } else { | ||
| opts = append(opts, grpc.MaxRecvMsgSize(defaultMaxReceiveMessageSize)) | ||
| } | ||
| if f.fc.StatsHandling { | ||
| // log for the related stats handling (e.g., RPCs, connections). | ||
| opts = append(opts, grpc.StatsHandler(&stats.ServerHandler{})) | ||
| } | ||
| return opts | ||
| } | ||
|
|
||
| func (f *Factory) DialOptions(opts ...grpc.DialOption) []grpc.DialOption { | ||
| if f.fc.NoGrpcProxy { | ||
| opts = append(opts, grpc.WithNoProxy()) | ||
| } | ||
| if !f.fc.ForceDisableTls { | ||
| opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials())) | ||
| } | ||
| if f.fc.MaxReceiveMessageSizeInBytes > 0 { | ||
| opts = append(opts, grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(f.fc.MaxReceiveMessageSizeInBytes), grpc.MaxCallSendMsgSize(f.fc.MaxReceiveMessageSizeInBytes))) | ||
| } else { | ||
| opts = append(opts, grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(defaultMaxReceiveMessageSize), grpc.MaxCallSendMsgSize(defaultMaxSendMessageSize))) | ||
| } | ||
| if f.fc.StatsHandling { | ||
| // log for the related stats handling (e.g., RPCs, connections). | ||
| opts = append(opts, grpc.WithStatsHandler(&stats.ClientHandler{})) | ||
| } | ||
|
|
||
| return opts | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| // Copyright 2024 The searKing Author. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package webserver | ||
|
|
||
| import ( | ||
| "github.com/rs/cors" | ||
| "google.golang.org/grpc" | ||
|
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| http_ "github.com/searKing/golang/go/net/http" | ||
| "github.com/searKing/golang/pkg/webserver/pkg/recovery" | ||
| grpc_ "github.com/searKing/golang/third_party/google.golang.org/grpc" | ||
| "github.com/searKing/golang/third_party/google.golang.org/grpc/interceptors/burstlimit" | ||
| "github.com/searKing/golang/third_party/google.golang.org/grpc/interceptors/timeoutlimit" | ||
| ) | ||
|
|
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| // UnaryHandler returns a new unary server handler. | ||
| // | ||
| // gRPC-Gateway does not support gRPC interceptors when call gRPC's service handler in process. | ||
| // See: https://github.com/grpc-ecosystem/grpc-gateway/issues/1043 | ||
| func (f *Factory) UnaryHandler(handlers ...grpc_.UnaryHandlerDecorator) []grpc_.UnaryHandlerDecorator { | ||
| // recover | ||
| handlers = append(handlers, grpc_.UnaryHandlerDecoratorFunc(recovery.UnaryHandler)) | ||
| return handlers | ||
| } | ||
|
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| func (f *Factory) UnaryServerInterceptors(interceptors ...grpc.UnaryServerInterceptor) []grpc.UnaryServerInterceptor { | ||
| // recover | ||
| interceptors = append(interceptors, recovery.UnaryServerInterceptor()) | ||
| // handle request timeout | ||
| interceptors = append(interceptors, timeoutlimit.UnaryServerInterceptor(f.fc.HandledTimeoutUnary)) | ||
| // burst limit | ||
| interceptors = append(interceptors, burstlimit.UnaryServerInterceptor(f.fc.MaxConcurrencyUnary, f.fc.BurstLimitTimeoutUnary)) | ||
| return interceptors | ||
| } | ||
|
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||
| func (f *Factory) StreamServerInterceptors(interceptors ...grpc.StreamServerInterceptor) []grpc.StreamServerInterceptor { | ||
| // recover | ||
| interceptors = append(interceptors, recovery.StreamServerInterceptor()) | ||
| // handle request timeout | ||
| interceptors = append(interceptors, timeoutlimit.StreamServerInterceptor(f.fc.HandledTimeoutUnary)) | ||
| // burst limit | ||
| interceptors = append(interceptors, burstlimit.StreamServerInterceptor(f.fc.MaxConcurrencyUnary, f.fc.BurstLimitTimeoutUnary)) | ||
| return interceptors | ||
| } | ||
|
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| func (f *Factory) HttpServerInterceptors(decorators ...http_.HandlerDecorator) []http_.HandlerDecorator { | ||
| // cors | ||
| decorators = append(decorators, http_.HandlerDecoratorFunc(cors.New(f.fc.Cors).Handler)) | ||
| return decorators | ||
| } |