| /* |
| * 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/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, rc *metrics.ReporterConfig) { |
| l := &MetadataMetricCollector{r: mr} |
| l.start() |
| }) |
| } |
| |
| type MetadataMetricCollector struct { |
| r metrics.MetricRegistry |
| } |
| |
| 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) |
| default: |
| } |
| } |
| } |
| }() |
| } |
| |
| func (c *MetadataMetricCollector) handleMetadataPush(event *MetadataMetricEvent) { |
| m := newStatesMetricFunc(metadataPushNum, metadataPushNumSucceed, metadataPushNumFailed, metrics.GetApplicationLevel(), c.r) |
| m.Inc(event.Succ) |
| // TODO add RT metric dubbo_push_rt_milliseconds |
| } |
| |
| func (c *MetadataMetricCollector) handleMetadataSub(event *MetadataMetricEvent) { |
| m := newStatesMetricFunc(metadataSubNum, metadataSubNumSucceed, metadataSubNumFailed, metrics.GetApplicationLevel(), c.r) |
| m.Inc(event.Succ) |
| // TODO add RT metric dubbo_subscribe_rt_milliseconds |
| } |
| |
| func (c *MetadataMetricCollector) handleStoreProvider(event *MetadataMetricEvent) { |
| level := metrics.NewServiceMetric(event.Attachment[constant.InterfaceKey]) |
| m := newStatesMetricFunc(metadataStoreProvider, metadataStoreProviderSucceed, metadataStoreProviderFailed, level, c.r) |
| m.Inc(event.Succ) |
| // TODO add RT metric dubbo_store_provider_interface_rt_milliseconds |
| } |
| |
| func newStatesMetricFunc(total *metrics.MetricKey, succ *metrics.MetricKey, fail *metrics.MetricKey, level metrics.MetricLevel, reg metrics.MetricRegistry) metrics.StatesMetrics { |
| return metrics.NewStatesMetrics( |
| func() *metrics.MetricId { return metrics.NewMetricId(total, level) }, |
| func() *metrics.MetricId { return metrics.NewMetricId(succ, level) }, |
| func() *metrics.MetricId { return metrics.NewMetricId(fail, level) }, |
| reg, |
| ) |
| } |
| |
| 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()} |
| } |