/
manager.go
141 lines (128 loc) · 3.26 KB
/
manager.go
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package push
import (
"fmt"
"sync"
"time"
"github.com/go-redis/redis"
"github.com/sirupsen/logrus"
"github.com/bitleak/lmstfy/config"
"github.com/bitleak/lmstfy/helper"
)
type Manager struct {
*MetaManager
pushGroups sync.Map
logger *logrus.Logger
}
func NewManger(redisCli *redis.Client, updateInterval time.Duration, logger *logrus.Logger) (*Manager, error) {
var err error
manager := new(Manager)
manager.logger = logger
manager.MetaManager, err = newMetaManager(
redisCli,
updateInterval,
logger,
manager.onCreated,
manager.onUpdated,
manager.onDeleted)
if err != nil {
return nil, err
}
return manager, nil
}
func (m *Manager) onCreated(pool, ns, group string, meta *Meta) {
key := m.buildKey(pool, ns, group)
if v, ok := m.pushGroups.Load(key); ok {
v.(*Pusher).stop()
m.pushGroups.Delete(key)
}
pusher := newPusher(pool, ns, group, meta, m.logger)
if err := pusher.start(); err != nil {
m.logger.WithFields(logrus.Fields{
"pool": pool,
"ns": ns,
"group": group,
"meta": meta,
}).Error("Failed to start the push group")
return
}
m.logger.WithFields(logrus.Fields{
"ns": ns,
"group": group,
}).Info("Success to create the push group")
m.pushGroups.Store(key, pusher)
}
func (m *Manager) onUpdated(pool, ns, group string, newMeta *Meta) {
key := m.buildKey(pool, ns, group)
v, ok := m.pushGroups.Load(key)
if !ok {
m.onCreated(pool, ns, group, newMeta)
return
}
pusher := v.(*Pusher)
pusher.Meta = newMeta
if err := pusher.restart(); err != nil {
m.logger.WithFields(logrus.Fields{
"pool": pool,
"ns": ns,
"group": group,
"meta": newMeta,
}).Error("Failed to restart the push group")
return
}
m.logger.WithFields(logrus.Fields{
"pool": pool,
"ns": ns,
"group": group,
}).Info("Success to update the push group")
m.pushGroups.Store(key, pusher)
}
func (m *Manager) onDeleted(pool, ns, group string) {
key := m.buildKey(pool, ns, group)
if v, ok := m.pushGroups.Load(key); ok {
if err := v.(*Pusher).stop(); err != nil {
m.logger.WithFields(logrus.Fields{
"pool": pool,
"ns": ns,
"group": group,
}).Error("Failed to stop the push group")
return
}
m.logger.WithFields(logrus.Fields{
"pool": pool,
"ns": ns,
"group": group,
}).Info("Success to delete the push group")
m.pushGroups.Delete(key)
}
}
// SetCallbacks used to set custom callback when meta was changed.
// e.g. we want to use empty callback function to fasten test cases
func (m *Manager) SetCallbacks(onCreated onCreatedFunc,
onUpdated onUpdatedFunc,
onDeleted onDeletedFunc) {
m.MetaManager.onCreated = onCreated
m.MetaManager.onUpdated = onUpdated
m.MetaManager.onDeleted = onDeleted
}
var _manager *Manager
func Setup(conf *config.Config, updateInterval time.Duration, logger *logrus.Logger) error {
var err error
redisConf := conf.AdminRedis
cli := helper.NewRedisClient(&redisConf, nil)
if cli.Ping().Err() != nil {
return fmt.Errorf("can not connect to admin redis: %s", err.Error())
}
setupMetrics()
_manager, err = NewManger(cli, updateInterval, logger)
return err
}
func GetManager() *Manager {
return _manager
}
func Shutdown() {
_manager.Close()
_manager.pushGroups.Range(func(key, value interface{}) bool {
value.(*Pusher).stop()
return true
})
}