| /* |
| * 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 jsonrpc |
| |
| import ( |
| "context" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/common" |
| "github.com/apache/dubbo-go/common/constant" |
| "github.com/apache/dubbo-go/common/logger" |
| "github.com/apache/dubbo-go/protocol" |
| invocation_impl "github.com/apache/dubbo-go/protocol/invocation" |
| ) |
| |
| // JsonrpcInvoker is JSON RPC invoker |
| type JsonrpcInvoker struct { |
| protocol.BaseInvoker |
| client *HTTPClient |
| } |
| |
| // NewJsonrpcInvoker creates JSON RPC invoker with @url and @client |
| func NewJsonrpcInvoker(url common.URL, client *HTTPClient) *JsonrpcInvoker { |
| return &JsonrpcInvoker{ |
| BaseInvoker: *protocol.NewBaseInvoker(url), |
| client: client, |
| } |
| } |
| |
| // Invoke the JSON RPC invocation and return result. |
| func (ji *JsonrpcInvoker) Invoke(ctx context.Context, invocation protocol.Invocation) protocol.Result { |
| |
| var ( |
| result protocol.RPCResult |
| ) |
| |
| inv := invocation.(*invocation_impl.RPCInvocation) |
| url := ji.GetUrl() |
| req := ji.client.NewRequest(url, inv.MethodName(), inv.Arguments()) |
| ctxNew := context.WithValue(ctx, constant.DUBBOGO_CTX_KEY, map[string]string{ |
| "X-Proxy-Id": "dubbogo", |
| "X-Services": url.Path, |
| "X-Method": inv.MethodName(), |
| }) |
| result.Err = ji.client.Call(ctxNew, url, req, inv.Reply()) |
| if result.Err == nil { |
| result.Rest = inv.Reply() |
| } |
| logger.Debugf("result.Err: %v, result.Rest: %v", result.Err, result.Rest) |
| |
| return &result |
| } |