| /* |
| * 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 filter_impl |
| |
| import ( |
| "context" |
| "strconv" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/common/extension" |
| "github.com/apache/dubbo-go/common/logger" |
| "github.com/apache/dubbo-go/filter" |
| "github.com/apache/dubbo-go/protocol" |
| invocation2 "github.com/apache/dubbo-go/protocol/invocation" |
| ) |
| |
| const ( |
| active = "active" |
| dubboInvokeStartTime = "dubboInvokeStartTime" |
| ) |
| |
| func init() { |
| extension.SetFilter(active, GetActiveFilter) |
| } |
| |
| // ActiveFilter ... |
| type ActiveFilter struct { |
| } |
| |
| // Invoke ... |
| func (ef *ActiveFilter) Invoke(ctx context.Context, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result { |
| logger.Infof("invoking active filter. %v,%v", invocation.MethodName(), len(invocation.Arguments())) |
| invocation.(*invocation2.RPCInvocation).SetAttachments(dubboInvokeStartTime, strconv.FormatInt(protocol.CurrentTimeMillis(), 10)) |
| protocol.BeginCount(invoker.GetUrl(), invocation.MethodName()) |
| return invoker.Invoke(ctx, invocation) |
| } |
| |
| // OnResponse ... |
| func (ef *ActiveFilter) OnResponse(ctx context.Context, result protocol.Result, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result { |
| startTime, err := strconv.ParseInt(invocation.(*invocation2.RPCInvocation).AttachmentsByKey(dubboInvokeStartTime, "0"), 10, 64) |
| if err != nil { |
| result.SetError(err) |
| logger.Errorf("parse dubbo_invoke_start_time to int64 failed") |
| return result |
| } |
| elapsed := protocol.CurrentTimeMillis() - startTime |
| protocol.EndCount(invoker.GetUrl(), invocation.MethodName(), elapsed, result.Error() == nil) |
| return result |
| } |
| |
| // GetActiveFilter ... |
| func GetActiveFilter() filter.Filter { |
| return &ActiveFilter{} |
| } |