Files
cgrates/services/statedeps.go

47 lines
1.6 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
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.
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 services
import (
"sync"
)
// NewStateDependencies constructs a StateDependencies struct
func NewStateDependencies(servStates []string) (stDeps *StateDependencies) {
stDeps = &StateDependencies{stateDeps: make(map[string]chan struct{})}
for _, stateID := range servStates {
stDeps.stateDeps[stateID] = make(chan struct{})
}
return
}
// StateDependencies enhances a service with state dependencies management
type StateDependencies struct {
stateDeps map[string]chan struct{} // listeners for various states of the service
stateDepsMux sync.RWMutex // protects stateDeps
}
// RegisterStateDependency will be called by a service interested by specific stateID of the service
func (sDs *StateDependencies) StateChan(stateID string) (retChan chan struct{}) {
sDs.stateDepsMux.RLock()
retChan = sDs.stateDeps[stateID]
sDs.stateDepsMux.RUnlock()
return
}