Files
cgrates/services/asteriskagent.go
2025-10-13 09:57:41 +02:00

107 lines
3.3 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 Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>
*/
package services
import (
"fmt"
"sync"
"github.com/cgrates/cgrates/agents"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/servmanager"
"github.com/cgrates/cgrates/utils"
)
// NewAsteriskAgent returns the Asterisk Agent
func NewAsteriskAgent(cfg *config.CGRConfig) *AsteriskAgent {
return &AsteriskAgent{
cfg: cfg,
stateDeps: NewStateDependencies([]string{utils.StateServiceUP, utils.StateServiceDOWN}),
}
}
// AsteriskAgent implements Agent interface
type AsteriskAgent struct {
mu sync.RWMutex
cfg *config.CGRConfig
stopChan chan struct{}
smas []*agents.AsteriskAgent
stateDeps *StateDependencies // channel subscriptions for state changes
}
// Start should handle the sercive start
func (ast *AsteriskAgent) Start(shutdown *utils.SyncedChan, registry *servmanager.ServiceRegistry) (err error) {
cms, err := WaitForServiceState(utils.StateServiceUP, utils.ConnManager, registry, ast.cfg.GeneralCfg().ConnectTimeout)
if err != nil {
return
}
ast.mu.Lock()
defer ast.mu.Unlock()
listenAndServe := func(sma *agents.AsteriskAgent, stopChan chan struct{}) {
if err := sma.ListenAndServe(stopChan); err != nil {
utils.Logger.Err(fmt.Sprintf("<%s> runtime error: %s!", utils.AsteriskAgent, err))
shutdown.CloseOnce()
}
}
ast.stopChan = make(chan struct{})
ast.smas = make([]*agents.AsteriskAgent, len(ast.cfg.AsteriskAgentCfg().AsteriskConns))
for connIdx := range ast.cfg.AsteriskAgentCfg().AsteriskConns { // Instantiate connections towards asterisk servers
ast.smas[connIdx] = agents.NewAsteriskAgent(ast.cfg, connIdx, cms.(*ConnManagerService).ConnManager())
go listenAndServe(ast.smas[connIdx], ast.stopChan)
}
return
}
// Reload handles the change of config
func (ast *AsteriskAgent) Reload(shutdown *utils.SyncedChan, registry *servmanager.ServiceRegistry) (err error) {
ast.shutdown()
return ast.Start(shutdown, registry)
}
// Shutdown stops the service
func (ast *AsteriskAgent) Shutdown(_ *servmanager.ServiceRegistry) (err error) {
ast.shutdown()
return
}
func (ast *AsteriskAgent) shutdown() {
ast.mu.Lock()
defer ast.mu.Unlock()
close(ast.stopChan)
ast.smas = nil
return // no shutdown for the momment
}
// ServiceName returns the service name
func (ast *AsteriskAgent) ServiceName() string {
return utils.AsteriskAgent
}
// ShouldRun returns if the service should be running
func (ast *AsteriskAgent) ShouldRun() bool {
return ast.cfg.AsteriskAgentCfg().Enabled
}
// StateChan returns signaling channel of specific state
func (ast *AsteriskAgent) StateChan(stateID string) chan struct{} {
return ast.stateDeps.StateChan(stateID)
}