mirror of
https://github.com/cgrates/cgrates.git
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130 lines
3.2 KiB
Go
130 lines
3.2 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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"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/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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// NewSIPAgent returns the sip Agent
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func NewSIPAgent(cfg *config.CGRConfig, filterSChan chan *engine.FilterS,
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shdChan *utils.SyncedChan, connMgr *engine.ConnManager,
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srvDep map[string]*sync.WaitGroup) servmanager.Service {
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return &SIPAgent{
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cfg: cfg,
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filterSChan: filterSChan,
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shdChan: shdChan,
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connMgr: connMgr,
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srvDep: srvDep,
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}
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}
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// SIPAgent implements Agent interface
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type SIPAgent struct {
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sync.RWMutex
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cfg *config.CGRConfig
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filterSChan chan *engine.FilterS
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shdChan *utils.SyncedChan
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sip *agents.SIPAgent
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connMgr *engine.ConnManager
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srvDep map[string]*sync.WaitGroup
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oldListen string
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}
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// Start should handle the sercive start
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func (sip *SIPAgent) Start() (err error) {
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if sip.IsRunning() {
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return utils.ErrServiceAlreadyRunning
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}
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filterS := <-sip.filterSChan
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sip.filterSChan <- filterS
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sip.Lock()
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defer sip.Unlock()
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sip.oldListen = sip.cfg.SIPAgentCfg().Listen
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sip.sip, err = agents.NewSIPAgent(sip.connMgr, sip.cfg, filterS)
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if err != nil {
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utils.Logger.Err(fmt.Sprintf("<%s> error: %s!",
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utils.SIPAgent, err))
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return
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}
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go func() {
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if err = sip.sip.ListenAndServe(); err != nil {
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utils.Logger.Err(fmt.Sprintf("<%s> error: <%s>", utils.SIPAgent, err.Error()))
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sip.shdChan.CloseOnce() // stop the engine here
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}
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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 (sip *SIPAgent) Reload() (err error) {
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if sip.oldListen == sip.cfg.SIPAgentCfg().Listen {
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return
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}
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sip.Lock()
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sip.sip.Shutdown()
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sip.oldListen = sip.cfg.SIPAgentCfg().Listen
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sip.sip.InitStopChan()
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sip.Unlock()
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go func() {
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if err := sip.sip.ListenAndServe(); err != nil {
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utils.Logger.Err(fmt.Sprintf("<%s> error: <%s>", utils.SIPAgent, err.Error()))
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sip.shdChan.CloseOnce() // stop the engine here
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}
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}()
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return
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}
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// Shutdown stops the service
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func (sip *SIPAgent) Shutdown() (err error) {
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sip.Lock()
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defer sip.Unlock()
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sip.sip.Shutdown()
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sip.sip = nil
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return
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}
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// IsRunning returns if the service is running
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func (sip *SIPAgent) IsRunning() bool {
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sip.RLock()
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defer sip.RUnlock()
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return sip.sip != nil
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}
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// ServiceName returns the service name
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func (sip *SIPAgent) ServiceName() string {
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return utils.SIPAgent
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}
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// ShouldRun returns if the service should be running
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func (sip *SIPAgent) ShouldRun() bool {
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return sip.cfg.SIPAgentCfg().Enabled
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}
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