| /* |
| * 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 metrics |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/metrics" |
| "dubbo.apache.org/dubbo-go/v3/remoting" |
| ) |
| |
| const eventType = constant.MetricApp |
| |
| var ch = make(chan metrics.MetricsEvent, 10) |
| var info = metrics.NewMetricKey("dubbo_configcenter_total", "Config Changed Total") |
| |
| func init() { |
| metrics.AddCollector("application_info", func(mr metrics.MetricRegistry, config *metrics.ReporterConfig) { |
| c := &configCenterCollector{r: mr} |
| c.start() |
| }) |
| } |
| |
| type configCenterCollector struct { |
| r metrics.MetricRegistry |
| } |
| |
| func (c *configCenterCollector) start() { |
| metrics.Subscribe(eventType, ch) |
| go func() { |
| for e := range ch { |
| if event, ok := e.(*ConfigCenterMetricEvent); ok { |
| c.handleDataChange(event) |
| } |
| } |
| }() |
| } |
| |
| func (c *configCenterCollector) handleDataChange(event *ConfigCenterMetricEvent) { |
| id := metrics.NewMetricId(info, metrics.NewConfigCenterLevel(event.key, event.group, event.configCenter, event.getChangeType())) |
| c.r.Counter(id).Add(event.size) |
| } |
| |
| const ( |
| Nacos = "nacos" |
| Apollo = "apollo" |
| Zookeeper = "zookeeper" |
| ) |
| |
| type ConfigCenterMetricEvent struct { |
| // Name MetricName |
| key string |
| group string |
| configCenter string |
| changeType remoting.EventType |
| size float64 |
| } |
| |
| func (e *ConfigCenterMetricEvent) getChangeType() string { |
| switch e.changeType { |
| case remoting.EventTypeAdd: |
| return "added" |
| case remoting.EventTypeDel: |
| return "deleted" |
| case remoting.EventTypeUpdate: |
| return "modified" |
| default: |
| return "" |
| } |
| } |
| |
| func (*ConfigCenterMetricEvent) Type() string { |
| return eventType |
| } |
| |
| func NewIncMetricEvent(key, group string, changeType remoting.EventType, c string) *ConfigCenterMetricEvent { |
| return &ConfigCenterMetricEvent{key: key, group: group, changeType: changeType, configCenter: c, size: 1} |
| } |