mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-02 11:47:36 +08:00
123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
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// RAINBOND, Application Management Platform
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package store
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import (
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"sync"
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"time"
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"github.com/goodrain/rainbond/eventlog/conf"
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"github.com/goodrain/rainbond/eventlog/db"
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"golang.org/x/net/context"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/sirupsen/logrus"
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)
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type readMessageStore struct {
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conf conf.EventStoreConf
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log *logrus.Entry
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barrels map[string]*readEventBarrel
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lock sync.Mutex
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cancel func()
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ctx context.Context
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pool *sync.Pool
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}
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func (h *readMessageStore) Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error {
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return nil
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}
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func (h *readMessageStore) InsertMessage(message *db.EventLogMessage) {
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if message == nil || message.EventID == "" {
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return
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}
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h.lock.Lock()
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defer h.lock.Unlock()
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if ba, ok := h.barrels[message.EventID]; ok {
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ba.insertMessage(message)
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} else {
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ba := h.pool.Get().(*readEventBarrel)
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ba.insertMessage(message)
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h.barrels[message.EventID] = ba
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}
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}
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func (h *readMessageStore) GetMonitorData() *db.MonitorData {
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return nil
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}
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func (h *readMessageStore) SubChan(eventID, subID string) chan *db.EventLogMessage {
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h.lock.Lock()
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defer h.lock.Unlock()
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if ba, ok := h.barrels[eventID]; ok {
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return ba.addSubChan(subID)
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}
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ba := h.pool.Get().(*readEventBarrel)
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ba.updateTime = time.Now()
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h.barrels[eventID] = ba
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return ba.addSubChan(subID)
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}
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func (h *readMessageStore) RealseSubChan(eventID, subID string) {
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h.lock.Lock()
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defer h.lock.Unlock()
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if ba, ok := h.barrels[eventID]; ok {
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ba.delSubChan(subID)
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}
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}
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func (h *readMessageStore) Run() {
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go h.Gc()
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}
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func (h *readMessageStore) Gc() {
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tiker := time.NewTicker(time.Second * 30)
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for {
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select {
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case <-tiker.C:
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case <-h.ctx.Done():
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h.log.Debug("read message store gc stop.")
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tiker.Stop()
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return
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}
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if len(h.barrels) == 0 {
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continue
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}
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var gcEvent []string
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for k, v := range h.barrels {
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if v.updateTime.Add(time.Minute * 2).Before(time.Now()) { // barrel 超时未收到消息
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gcEvent = append(gcEvent, k)
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}
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}
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if gcEvent != nil && len(gcEvent) > 0 {
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for _, id := range gcEvent {
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barrel := h.barrels[id]
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barrel.empty()
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h.pool.Put(barrel) //放回对象池
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delete(h.barrels, id)
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}
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}
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}
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}
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func (h *readMessageStore) stop() {
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h.cancel()
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}
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func (h *readMessageStore) InsertGarbageMessage(message ...*db.EventLogMessage) {}
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func (h *readMessageStore) GetHistoryMessage(eventID string, length int) (re []string) {
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return nil
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}
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