/
read_message_store.go
117 lines (106 loc) · 3.09 KB
/
read_message_store.go
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// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package store
import (
"sync"
"time"
"github.com/goodrain/rainbond/eventlog/conf"
"github.com/goodrain/rainbond/eventlog/db"
"golang.org/x/net/context"
"github.com/Sirupsen/logrus"
"github.com/prometheus/client_golang/prometheus"
)
type readMessageStore struct {
conf conf.EventStoreConf
log *logrus.Entry
barrels map[string]*readEventBarrel
lock sync.Mutex
cancel func()
ctx context.Context
pool *sync.Pool
}
func (h *readMessageStore) Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error {
return nil
}
func (h *readMessageStore) InsertMessage(message *db.EventLogMessage) {
if message == nil || message.EventID == "" {
return
}
h.lock.Lock()
defer h.lock.Unlock()
if ba, ok := h.barrels[message.EventID]; ok {
ba.insertMessage(message)
} else {
ba := h.pool.Get().(*readEventBarrel)
ba.insertMessage(message)
h.barrels[message.EventID] = ba
}
}
func (h *readMessageStore) GetMonitorData() *db.MonitorData {
return nil
}
func (h *readMessageStore) SubChan(eventID, subID string) chan *db.EventLogMessage {
h.lock.Lock()
defer h.lock.Unlock()
if ba, ok := h.barrels[eventID]; ok {
return ba.addSubChan(subID)
}
ba := h.pool.Get().(*readEventBarrel)
h.barrels[eventID] = ba
return ba.addSubChan(subID)
}
func (h *readMessageStore) RealseSubChan(eventID, subID string) {
h.lock.Lock()
defer h.lock.Unlock()
if ba, ok := h.barrels[eventID]; ok {
ba.delSubChan(subID)
}
}
func (h *readMessageStore) Run() {
go h.Gc()
}
func (h *readMessageStore) Gc() {
tiker := time.NewTicker(time.Second * 30)
for {
select {
case <-tiker.C:
case <-h.ctx.Done():
h.log.Debug("read message store gc stop.")
tiker.Stop()
return
}
if len(h.barrels) == 0 {
continue
}
var gcEvent []string
for k, v := range h.barrels {
if v.updateTime.Add(time.Minute * 2).Before(time.Now()) { // barrel 超时未收到消息
gcEvent = append(gcEvent, k)
}
}
if gcEvent != nil && len(gcEvent) > 0 {
for _, id := range gcEvent {
barrel := h.barrels[id]
barrel.empty()
h.pool.Put(barrel) //放回对象池
delete(h.barrels, id)
}
}
}
}
func (h *readMessageStore) stop() {
h.cancel()
}
func (h *readMessageStore) InsertGarbageMessage(message ...*db.EventLogMessage) {}