mirror of
https://github.com/cgrates/cgrates.git
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122 lines
3.9 KiB
Go
122 lines
3.9 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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"net/http"
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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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// NewJanusAgent returns the Janus Agent
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func NewJanusAgent(cfg *config.CGRConfig) *JanusAgent {
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return &JanusAgent{
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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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// JanusAgent implements Service interface
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type JanusAgent struct {
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mu sync.RWMutex
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cfg *config.CGRConfig
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jA *agents.JanusAgent
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// we can realy stop the JanusAgent so keep a flag
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// if we registerd the jandlers
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started bool
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stateDeps *StateDependencies // channel subscriptions for state changes
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}
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// Start should jandle the sercive start
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func (ja *JanusAgent) Start(_ *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.ConnManager,
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utils.FilterS,
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},
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registry, ja.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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cms := srvDeps[utils.ConnManager].(*ConnManagerService)
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fs := srvDeps[utils.FilterS].(*FilterService)
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ja.mu.Lock()
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defer ja.mu.Unlock()
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if ja.started {
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return utils.ErrServiceAlreadyRunning
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}
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ja.jA, err = agents.NewJanusAgent(ja.cfg, cms.ConnManager(), fs.FilterS())
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if err != nil {
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return
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}
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if err = ja.jA.Connect(); err != nil {
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return
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}
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cl.RegisterHttpHandler("POST "+ja.cfg.JanusAgentCfg().URL, http.HandlerFunc(ja.jA.CreateSession))
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cl.RegisterHttpHandler("OPTIONS "+ja.cfg.JanusAgentCfg().URL, http.HandlerFunc(ja.jA.CORSOptions))
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cl.RegisterHttpHandler(fmt.Sprintf("OPTIONS %s/{sessionID}", ja.cfg.JanusAgentCfg().URL), http.HandlerFunc(ja.jA.SessionKeepalive))
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cl.RegisterHttpHandler(fmt.Sprintf("OPTIONS %s/{sessionID}/", ja.cfg.JanusAgentCfg().URL), http.HandlerFunc(ja.jA.CORSOptions))
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cl.RegisterHttpHandler(fmt.Sprintf("GET %s/{sessionID}", ja.cfg.JanusAgentCfg().URL), http.HandlerFunc(ja.jA.PollSession))
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cl.RegisterHttpHandler(fmt.Sprintf("POST %s/{sessionID}", ja.cfg.JanusAgentCfg().URL), http.HandlerFunc(ja.jA.AttachPlugin))
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cl.RegisterHttpHandler(fmt.Sprintf("POST %s/{sessionID}/{handleID}", ja.cfg.JanusAgentCfg().URL), http.HandlerFunc(ja.jA.HandlePlugin))
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ja.started = true
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return
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}
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// Reload jandles the change of config
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func (ja *JanusAgent) Reload(_ *utils.SyncedChan, _ *servmanager.ServiceRegistry) (err error) {
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return // no reload
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}
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// Shutdown stops the service
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func (ja *JanusAgent) Shutdown(_ *servmanager.ServiceRegistry) (err error) {
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ja.mu.Lock()
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err = ja.jA.Shutdown()
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ja.started = false
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ja.mu.Unlock()
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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 (ja *JanusAgent) ServiceName() string {
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return utils.JanusAgent
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}
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// ShouldRun returns if the service should be running
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func (ja *JanusAgent) ShouldRun() bool {
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return ja.cfg.JanusAgentCfg().Enabled
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}
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// StateChan returns signaling channel of specific state
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func (ja *JanusAgent) StateChan(stateID string) chan struct{} {
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return ja.stateDeps.StateChan(stateID)
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}
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