mirror of
https://github.com/cgrates/cgrates.git
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133 lines
3.7 KiB
Go
133 lines
3.7 KiB
Go
/*
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Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
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Copyright (C) ITsysCOM GmbH
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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.
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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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*/
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package services
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import (
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"sync"
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"github.com/cgrates/cgrates/config"
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"github.com/cgrates/cgrates/engine"
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"github.com/cgrates/cgrates/servmanager"
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"github.com/cgrates/cgrates/utils"
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)
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// NewCacheService .
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func NewCacheService(cfg *config.CGRConfig) *CacheService {
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return &CacheService{
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cfg: cfg,
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cacheCh: make(chan *engine.CacheS, 1),
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stateDeps: NewStateDependencies([]string{utils.StateServiceUP, utils.StateServiceDOWN}),
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}
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}
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// CacheService implements Agent interface
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type CacheService struct {
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mu sync.Mutex
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cfg *config.CGRConfig
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cacheCh chan *engine.CacheS
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stateDeps *StateDependencies // channel subscriptions for state changes
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}
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// Start should handle the sercive start
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func (cS *CacheService) Start(shutdown *utils.SyncedChan, registry *servmanager.ServiceRegistry) (err error) {
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srvDeps, err := WaitForServicesToReachState(utils.StateServiceUP,
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[]string{
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utils.CommonListenerS,
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utils.DataDB,
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utils.ConnManager,
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utils.CoreS,
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},
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registry, cS.cfg.GeneralCfg().ConnectTimeout)
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if err != nil {
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return err
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}
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cl := srvDeps[utils.CommonListenerS].(*CommonListenerService).CLS()
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dbs := srvDeps[utils.DataDB].(*DataDBService)
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cms := srvDeps[utils.ConnManager].(*ConnManagerService)
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cs := srvDeps[utils.CoreS].(*CoreService)
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cS.mu.Lock()
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defer cS.mu.Unlock()
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engine.Cache = engine.NewCacheS(cS.cfg, dbs.DataManager(), cms.ConnManager(), cs.CoreS().CapsStats)
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go engine.Cache.Precache(shutdown)
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cS.cacheCh <- engine.Cache
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srv, _ := engine.NewService(engine.Cache)
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// srv, _ := birpc.NewService(apis.NewCacheSv1(engine.Cache), "", false)
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for _, s := range srv {
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cl.RpcRegister(s)
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}
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cms.AddInternalConn(utils.CacheS, srv)
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return
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}
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// Reload handles the change of config
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func (cS *CacheService) Reload(_ *utils.SyncedChan, _ *servmanager.ServiceRegistry) (_ error) {
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return
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}
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// Shutdown stops the service
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func (cS *CacheService) Shutdown(registry *servmanager.ServiceRegistry) (_ error) {
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cS.mu.Lock()
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cS.mu.Unlock()
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cl := registry.Lookup(utils.CommonListenerS).(*CommonListenerService).CLS()
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cl.RpcUnregisterName(utils.CacheSv1)
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return
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}
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// ServiceName returns the service name
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func (cS *CacheService) ServiceName() string {
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return utils.CacheS
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}
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// ShouldRun returns if the service should be running
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func (cS *CacheService) ShouldRun() bool {
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return true
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}
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// GetDMChan returns the CacheS chanel
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func (cS *CacheService) GetCacheSChan() chan *engine.CacheS {
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return cS.cacheCh
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}
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func (cS *CacheService) WaitToPrecache(shutdown *utils.SyncedChan, cacheIDs ...string) (err error) {
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var cacheS *engine.CacheS
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select {
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case <-shutdown.Done():
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return
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case cacheS = <-cS.cacheCh:
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cS.cacheCh <- cacheS
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}
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for _, cacheID := range cacheIDs {
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select {
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case <-shutdown.Done():
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return
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case <-cacheS.GetPrecacheChannel(cacheID):
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}
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}
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return
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}
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// StateChan returns signaling channel of specific state
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func (cS *CacheService) StateChan(stateID string) chan struct{} {
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return cS.stateDeps.StateChan(stateID)
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}
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