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