| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package dubbo3 |
| |
| import ( |
| "context" |
| "reflect" |
| "strconv" |
| "strings" |
| "sync" |
| "time" |
| ) |
| |
| import ( |
| "github.com/dubbogo/gost/log/logger" |
| |
| "github.com/dubbogo/grpc-go/metadata" |
| |
| tripleConstant "github.com/dubbogo/triple/pkg/common/constant" |
| triConfig "github.com/dubbogo/triple/pkg/config" |
| "github.com/dubbogo/triple/pkg/triple" |
| |
| "github.com/dustin/go-humanize" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common" |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/config" |
| "dubbo.apache.org/dubbo-go/v3/protocol" |
| invocation_impl "dubbo.apache.org/dubbo-go/v3/protocol/invocation" |
| ) |
| |
| // same as dubbo_invoker.go attachmentKey |
| var attachmentKey = []string{ |
| constant.InterfaceKey, constant.GroupKey, constant.TokenKey, constant.TimeoutKey, |
| constant.VersionKey, tripleConstant.TripleServiceGroup, tripleConstant.TripleServiceVersion, |
| } |
| |
| // DubboInvoker is implement of protocol.Invoker, a dubboInvoker refer to one service and ip. |
| type DubboInvoker struct { |
| protocol.BaseInvoker |
| // the net layer client, it is focus on network communication. |
| client *triple.TripleClient |
| // quitOnce is used to make sure DubboInvoker is only destroyed once |
| quitOnce sync.Once |
| // timeout for service(interface) level. |
| timeout time.Duration |
| // clientGuard is the client lock of dubbo invoker |
| clientGuard *sync.RWMutex |
| } |
| |
| // NewDubboInvoker constructor |
| func NewDubboInvoker(url *common.URL) (*DubboInvoker, error) { |
| rt := config.GetConsumerConfig().RequestTimeout |
| |
| timeout := url.GetParamDuration(constant.TimeoutKey, rt) |
| // for triple pb serialization. The bean name from provider is the provider reference key, |
| // which can't locate the target consumer stub, so we use interface key.. |
| interfaceKey := url.GetParam(constant.InterfaceKey, "") |
| consumerService := config.GetConsumerServiceByInterfaceName(interfaceKey) |
| |
| dubboSerializerType := url.GetParam(constant.SerializationKey, constant.ProtobufSerialization) |
| triCodecType := tripleConstant.CodecType(dubboSerializerType) |
| // new triple client |
| opts := []triConfig.OptionFunction{ |
| triConfig.WithClientTimeout(timeout), |
| triConfig.WithCodecType(triCodecType), |
| triConfig.WithLocation(url.Location), |
| triConfig.WithHeaderAppVersion(url.GetParam(constant.AppVersionKey, "")), |
| triConfig.WithHeaderGroup(url.GetParam(constant.GroupKey, "")), |
| triConfig.WithLogger(logger.GetLogger()), |
| } |
| maxCallRecvMsgSize := constant.DefaultMaxCallRecvMsgSize |
| if maxCall, err := humanize.ParseBytes(url.GetParam(constant.MaxCallRecvMsgSize, "")); err == nil && maxCall != 0 { |
| maxCallRecvMsgSize = int(maxCall) |
| } |
| maxCallSendMsgSize := constant.DefaultMaxCallSendMsgSize |
| if maxCall, err := humanize.ParseBytes(url.GetParam(constant.MaxCallSendMsgSize, "")); err == nil && maxCall != 0 { |
| maxCallSendMsgSize = int(maxCall) |
| } |
| opts = append(opts, triConfig.WithGRPCMaxCallRecvMessageSize(maxCallRecvMsgSize)) |
| opts = append(opts, triConfig.WithGRPCMaxCallSendMessageSize(maxCallSendMsgSize)) |
| |
| tracingKey := url.GetParam(constant.TracingConfigKey, "") |
| if tracingKey != "" { |
| tracingConfig := config.GetTracingConfig(tracingKey) |
| if tracingConfig != nil { |
| if tracingConfig.Name == "jaeger" { |
| if tracingConfig.ServiceName == "" { |
| tracingConfig.ServiceName = config.GetApplicationConfig().Name |
| } |
| opts = append(opts, triConfig.WithJaegerConfig( |
| tracingConfig.Address, |
| tracingConfig.ServiceName, |
| *tracingConfig.UseAgent, |
| )) |
| } else { |
| logger.Warnf("unsupported tracing name %s, now triple only support jaeger", tracingConfig.Name) |
| } |
| } |
| } |
| |
| triOption := triConfig.NewTripleOption(opts...) |
| tlsConfig := config.GetRootConfig().TLSConfig |
| if tlsConfig != nil { |
| triOption.TLSCertFile = tlsConfig.TLSCertFile |
| triOption.TLSKeyFile = tlsConfig.TLSKeyFile |
| triOption.CACertFile = tlsConfig.CACertFile |
| triOption.TLSServerName = tlsConfig.TLSServerName |
| logger.Infof("Triple Client initialized the TLSConfig configuration") |
| } |
| client, err := triple.NewTripleClient(consumerService, triOption) |
| |
| if err != nil { |
| return nil, err |
| } |
| |
| return &DubboInvoker{ |
| BaseInvoker: *protocol.NewBaseInvoker(url), |
| client: client, |
| timeout: timeout, |
| clientGuard: &sync.RWMutex{}, |
| }, nil |
| } |
| |
| func (di *DubboInvoker) setClient(client *triple.TripleClient) { |
| di.clientGuard.Lock() |
| defer di.clientGuard.Unlock() |
| |
| di.client = client |
| } |
| |
| func (di *DubboInvoker) getClient() *triple.TripleClient { |
| di.clientGuard.RLock() |
| defer di.clientGuard.RUnlock() |
| |
| return di.client |
| } |
| |
| // Invoke call remoting. |
| func (di *DubboInvoker) Invoke(ctx context.Context, invocation protocol.Invocation) protocol.Result { |
| var ( |
| result protocol.RPCResult |
| ) |
| |
| if !di.BaseInvoker.IsAvailable() { |
| // Generally, the case will not happen, because the invoker has been removed |
| // from the invoker list before destroy,so no new request will enter the destroyed invoker |
| logger.Warnf("this dubboInvoker is destroyed") |
| result.Err = protocol.ErrDestroyedInvoker |
| return &result |
| } |
| |
| di.clientGuard.RLock() |
| defer di.clientGuard.RUnlock() |
| |
| if di.client == nil { |
| result.Err = protocol.ErrClientClosed |
| return &result |
| } |
| |
| if !di.BaseInvoker.IsAvailable() { |
| // Generally, the case will not happen, because the invoker has been removed |
| // from the invoker list before destroy,so no new request will enter the destroyed invoker |
| logger.Warnf("this grpcInvoker is destroying") |
| result.Err = protocol.ErrDestroyedInvoker |
| return &result |
| } |
| |
| for _, k := range attachmentKey { |
| var paramKey string |
| switch k { |
| case tripleConstant.TripleServiceGroup: |
| paramKey = constant.GroupKey |
| case tripleConstant.TripleServiceVersion: |
| paramKey = constant.VersionKey |
| default: |
| paramKey = k |
| } |
| |
| if v := di.GetURL().GetParam(paramKey, ""); len(v) > 0 { |
| invocation.SetAttachment(k, v) |
| } |
| } |
| |
| // append interface id to ctx |
| gRPCMD := make(metadata.MD, 0) |
| // triple will convert attachment value to []string |
| for k, v := range invocation.Attachments() { |
| if str, ok := v.(string); ok { |
| gRPCMD.Set(k, str) |
| continue |
| } |
| if str, ok := v.([]string); ok { |
| gRPCMD.Set(k, str...) |
| continue |
| } |
| logger.Warnf("[Triple Protocol]Triple attachment value with key = %s is invalid, which should be string or []string", k) |
| } |
| ctx = metadata.NewOutgoingContext(ctx, gRPCMD) |
| ctx = context.WithValue(ctx, tripleConstant.InterfaceKey, di.BaseInvoker.GetURL().GetParam(constant.InterfaceKey, "")) |
| in := make([]reflect.Value, 0, 16) |
| in = append(in, reflect.ValueOf(ctx)) |
| |
| if len(invocation.ParameterValues()) > 0 { |
| in = append(in, invocation.ParameterValues()...) |
| } |
| |
| methodName := invocation.MethodName() |
| triAttachmentWithErr := di.client.Invoke(methodName, in, invocation.Reply()) |
| result.Err = triAttachmentWithErr.GetError() |
| result.Attrs = make(map[string]interface{}) |
| for k, v := range triAttachmentWithErr.GetAttachments() { |
| result.Attrs[k] = v |
| } |
| result.Rest = invocation.Reply() |
| return &result |
| } |
| |
| // get timeout including methodConfig |
| func (di *DubboInvoker) getTimeout(invocation *invocation_impl.RPCInvocation) time.Duration { |
| timeout := di.GetURL().GetParam(strings.Join([]string{constant.MethodKeys, invocation.MethodName(), constant.TimeoutKey}, "."), "") |
| if len(timeout) != 0 { |
| if t, err := time.ParseDuration(timeout); err == nil { |
| // config timeout into attachment |
| invocation.SetAttachment(constant.TimeoutKey, strconv.Itoa(int(t.Milliseconds()))) |
| return t |
| } |
| } |
| // set timeout into invocation at method level |
| invocation.SetAttachment(constant.TimeoutKey, strconv.Itoa(int(di.timeout.Milliseconds()))) |
| return di.timeout |
| } |
| |
| // IsAvailable check if invoker is available, now it is useless |
| func (di *DubboInvoker) IsAvailable() bool { |
| client := di.getClient() |
| if client != nil { |
| // FIXME here can't check if tcp server is started now!!! |
| return client.IsAvailable() |
| } |
| return false |
| } |
| |
| // Destroy destroy dubbo3 client invoker. |
| func (di *DubboInvoker) Destroy() { |
| di.quitOnce.Do(func() { |
| di.BaseInvoker.Destroy() |
| client := di.getClient() |
| if client != nil { |
| di.setClient(nil) |
| client.Close() |
| } |
| }) |
| } |