You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
2.7 KiB
111 lines
2.7 KiB
// Copyright © 2023 OpenIM. All rights reserved.
|
|
//
|
|
// Licensed 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 tools
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
"time"
|
|
|
|
"github.com/OpenIMSDK/tools/errs"
|
|
|
|
"github.com/redis/go-redis/v9"
|
|
"github.com/robfig/cron/v3"
|
|
|
|
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
|
|
"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
|
|
)
|
|
|
|
func StartTask() error {
|
|
fmt.Println("cron task start, config", config.Config.ChatRecordsClearTime)
|
|
|
|
msgTool, err := InitMsgTool()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
msgTool.convertTools()
|
|
|
|
rdb, err := cache.NewRedis()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// register cron tasks
|
|
var crontab = cron.New()
|
|
fmt.Println("start chatRecordsClearTime cron task", "cron config", config.Config.ChatRecordsClearTime)
|
|
_, err = crontab.AddFunc(config.Config.ChatRecordsClearTime, cronWrapFunc(rdb, "cron_clear_msg_and_fix_seq", msgTool.AllConversationClearMsgAndFixSeq))
|
|
if err != nil {
|
|
return errs.Wrap(err)
|
|
}
|
|
|
|
fmt.Println("start msgDestruct cron task", "cron config", config.Config.MsgDestructTime)
|
|
_, err = crontab.AddFunc(config.Config.MsgDestructTime, cronWrapFunc(rdb, "cron_conversations_destruct_msgs", msgTool.ConversationsDestructMsgs))
|
|
if err != nil {
|
|
return errs.Wrap(err)
|
|
}
|
|
|
|
// start crontab
|
|
crontab.Start()
|
|
|
|
sigs := make(chan os.Signal, 1)
|
|
signal.Notify(sigs, syscall.SIGTERM)
|
|
<-sigs
|
|
|
|
// stop crontab, Wait for the running task to exit.
|
|
ctx := crontab.Stop()
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
// graceful exit
|
|
|
|
case <-time.After(15 * time.Second):
|
|
// forced exit on timeout
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// netlock redis lock.
|
|
func netlock(rdb redis.UniversalClient, key string, ttl time.Duration) bool {
|
|
value := "used"
|
|
ok, err := rdb.SetNX(context.Background(), key, value, ttl).Result() // nolint
|
|
if err != nil {
|
|
// when err is about redis server, return true.
|
|
return false
|
|
}
|
|
|
|
return ok
|
|
}
|
|
|
|
func cronWrapFunc(rdb redis.UniversalClient, key string, fn func()) func() {
|
|
enableCronLocker := config.Config.EnableCronLocker
|
|
return func() {
|
|
// if don't enable cron-locker, call fn directly.
|
|
if !enableCronLocker {
|
|
fn()
|
|
return
|
|
}
|
|
|
|
// when acquire redis lock, call fn().
|
|
if netlock(rdb, key, 5*time.Second) {
|
|
fn()
|
|
}
|
|
}
|
|
}
|