| /* |
| * 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 metadata |
| |
| import ( |
| "time" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common" |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/metrics" |
| ) |
| |
| const eventType = constant.MetricsMetadata |
| |
| var ch = make(chan metrics.MetricsEvent, 10) |
| |
| func init() { |
| metrics.AddCollector("metadata", func(mr metrics.MetricRegistry, url *common.URL) { |
| if url.GetParamBool(constant.MetadataEnabledKey, true) { |
| l := &MetadataMetricCollector{metrics.BaseCollector{R: mr}} |
| l.start() |
| } |
| }) |
| } |
| |
| type MetadataMetricCollector struct { |
| metrics.BaseCollector |
| } |
| |
| func (c *MetadataMetricCollector) start() { |
| metrics.Subscribe(eventType, ch) |
| go func() { |
| for e := range ch { |
| if event, ok := e.(*MetadataMetricEvent); ok { |
| switch event.Name { |
| case StoreProvider: |
| c.handleStoreProvider(event) |
| case MetadataPush: |
| c.handleMetadataPush(event) |
| case MetadataSub: |
| c.handleMetadataSub(event) |
| case SubscribeServiceRt: |
| c.handleSubscribeService(event) |
| default: |
| } |
| } |
| } |
| }() |
| } |
| |
| func (c *MetadataMetricCollector) handleMetadataPush(event *MetadataMetricEvent) { |
| level := metrics.GetApplicationLevel() |
| c.StateCount(metadataPushNum, metadataPushSucceed, metadataPushFailed, level, event.Succ) |
| c.R.Rt(metrics.NewMetricId(pushRt, level), &metrics.RtOpts{}).Observe(event.CostMs()) |
| } |
| |
| func (c *MetadataMetricCollector) handleMetadataSub(event *MetadataMetricEvent) { |
| level := metrics.GetApplicationLevel() |
| c.StateCount(metadataSubNum, metadataSubSucceed, metadataSubFailed, level, event.Succ) |
| c.R.Rt(metrics.NewMetricId(subscribeRt, level), &metrics.RtOpts{}).Observe(event.CostMs()) |
| } |
| |
| func (c *MetadataMetricCollector) handleStoreProvider(event *MetadataMetricEvent) { |
| level := metrics.NewServiceMetric(event.Attachment[constant.InterfaceKey]) |
| c.StateCount(metadataStoreProviderNum, metadataStoreProviderSucceed, metadataStoreProviderFailed, level, event.Succ) |
| c.R.Rt(metrics.NewMetricId(storeProviderInterfaceRt, level), &metrics.RtOpts{}).Observe(event.CostMs()) |
| } |
| |
| func (c *MetadataMetricCollector) handleSubscribeService(event *MetadataMetricEvent) { |
| level := metrics.NewServiceMetric(event.Attachment[constant.InterfaceKey]) |
| c.R.Rt(metrics.NewMetricId(subscribeServiceRt, level), &metrics.RtOpts{}).Observe(event.CostMs()) |
| } |
| |
| type MetadataMetricEvent struct { |
| Name MetricName |
| Succ bool |
| Start time.Time |
| End time.Time |
| Attachment map[string]string |
| } |
| |
| func (*MetadataMetricEvent) Type() string { |
| return eventType |
| } |
| |
| func (e *MetadataMetricEvent) CostMs() float64 { |
| return float64(e.End.Sub(e.Start)) / float64(time.Millisecond) |
| } |
| |
| func NewMetadataMetricTimeEvent(n MetricName) *MetadataMetricEvent { |
| return &MetadataMetricEvent{Name: n, Start: time.Now(), Attachment: make(map[string]string)} |
| } |