func startHistoryServer(internalHistorySChan chan history.Scribe, server *engine.Server, exitChan chan bool) {
scribeServer, err := history.NewFileScribe(cfg.HistoryDir, cfg.HistorySaveInterval)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<HistoryServer> Could not start, error: %s", err.Error()))
exitChan <- true
}
server.RpcRegisterName("ScribeV1", scribeServer)
internalHistorySChan <- scribeServer
}
func startUsersServer(internalUserSChan chan engine.UserService, accountDb engine.AccountingStorage, server *engine.Server, exitChan chan bool) {
userServer, err := engine.NewUserMap(accountDb, cfg.UserServerIndexes)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<UsersService> Could not start, error: %s", err.Error()))
exitChan <- true
return
}
server.RpcRegisterName("UsersV1", userServer)
internalUserSChan <- userServer
}
// ToDo: Make sure we are caching before starting this one
func startAliasesServer(internalAliaseSChan chan engine.AliasService, accountDb engine.AccountingStorage, server *engine.Server, exitChan chan bool) {
aliasesServer := engine.NewAliasHandler(accountDb)
server.RpcRegisterName("AliasesV1", aliasesServer)
if err := accountDb.CacheAccountingPrefixes(utils.ALIASES_PREFIX); err != nil {
utils.Logger.Crit(fmt.Sprintf("<Aliases> Could not start, error: %s", err.Error()))
exitChan <- true
return
}
internalAliaseSChan <- aliasesServer
}
func startRpc(server *engine.Server, internalRaterChan chan *engine.Responder,
internalCdrSChan chan *engine.CdrServer,
internalCdrStatSChan chan engine.StatsInterface,
internalHistorySChan chan history.Scribe,
internalPubSubSChan chan engine.PublisherSubscriber,
internalUserSChan chan engine.UserService,
internalAliaseSChan chan engine.AliasService) {
select { // Any of the rpc methods will unlock listening to rpc requests
case resp := <-internalRaterChan:
internalRaterChan <- resp
case cdrs := <-internalCdrSChan:
internalCdrSChan <- cdrs
case cdrstats := <-internalCdrStatSChan:
internalCdrStatSChan <- cdrstats
case hist := <-internalHistorySChan:
internalHistorySChan <- hist
case pubsubs := <-internalPubSubSChan:
internalPubSubSChan <- pubsubs
case users := <-internalUserSChan:
internalUserSChan <- users
case aliases := <-internalAliaseSChan:
internalAliaseSChan <- aliases
}
go server.ServeJSON(cfg.RPCJSONListen)
go server.ServeGOB(cfg.RPCGOBListen)
go server.ServeHTTP(cfg.HTTPListen)
}
func main() {
flag.Parse()
if *version {
fmt.Println("CGRateS " + utils.VERSION)
return
}
if *pidFile != "" {
writePid()
}
if *singlecpu {
runtime.GOMAXPROCS(1) // Having multiple cpus slows down computing due to CPU management, to be reviewed in future Go releases
}
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
cfg, err = config.NewCGRConfigFromFolder(*cfgDir)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("Could not parse config: %s exiting!", err))
return
}
config.SetCgrConfig(cfg) // Share the config object
if *raterEnabled {
cfg.RaterEnabled = *raterEnabled
}
if *schedEnabled {
cfg.SchedulerEnabled = *schedEnabled
}
if *cdrsEnabled {
cfg.CDRSEnabled = *cdrsEnabled
}
var ratingDb engine.RatingStorage
var accountDb engine.AccountingStorage
var logDb engine.LogStorage
var loadDb engine.LoadStorage
var cdrDb engine.CdrStorage
if cfg.RaterEnabled || cfg.SchedulerEnabled { // Only connect to dataDb if necessary
ratingDb, err = engine.ConfigureRatingStorage(cfg.TpDbType, cfg.TpDbHost, cfg.TpDbPort,
cfg.TpDbName, cfg.TpDbUser, cfg.TpDbPass, cfg.DBDataEncoding)
if err != nil { // Cannot configure getter database, show stopper
utils.Logger.Crit(fmt.Sprintf("Could not configure dataDb: %s exiting!", err))
return
}
defer ratingDb.Close()
engine.SetRatingStorage(ratingDb)
accountDb, err = engine.ConfigureAccountingStorage(cfg.DataDbType, cfg.DataDbHost, cfg.DataDbPort,
cfg.DataDbName, cfg.DataDbUser, cfg.DataDbPass, cfg.DBDataEncoding)
if err != nil { // Cannot configure getter database, show stopper
utils.Logger.Crit(fmt.Sprintf("Could not configure dataDb: %s exiting!", err))
return
}
defer accountDb.Close()
engine.SetAccountingStorage(accountDb)
}
if cfg.RaterEnabled || cfg.CDRSEnabled || cfg.SchedulerEnabled { // Only connect to storDb if necessary
logDb, err = engine.ConfigureLogStorage(cfg.StorDBType, cfg.StorDBHost, cfg.StorDBPort,
cfg.StorDBName, cfg.StorDBUser, cfg.StorDBPass, cfg.DBDataEncoding, cfg.StorDBMaxOpenConns, cfg.StorDBMaxIdleConns)
if err != nil { // Cannot configure logger database, show stopper
utils.Logger.Crit(fmt.Sprintf("Could not configure logger database: %s exiting!", err))
return
}
defer logDb.Close()
engine.SetStorageLogger(logDb)
// loadDb,cdrDb and logDb are all mapped on the same stordb storage
loadDb = logDb.(engine.LoadStorage)
cdrDb = logDb.(engine.CdrStorage)
engine.SetCdrStorage(cdrDb)
}
engine.SetRoundingDecimals(cfg.RoundingDecimals)
stopHandled := false
// Rpc/http server
server := new(engine.Server)
// Async starts here, will follow cgrates.json start order
exitChan := make(chan bool)
// Define internal connections via channels
internalBalancerChan := make(chan *balancer2go.Balancer, 1)
internalRaterChan := make(chan *engine.Responder, 1)
internalSchedulerChan := make(chan *scheduler.Scheduler, 1)
internalCdrSChan := make(chan *engine.CdrServer, 1)
internalCdrStatSChan := make(chan engine.StatsInterface, 1)
internalHistorySChan := make(chan history.Scribe, 1)
internalPubSubSChan := make(chan engine.PublisherSubscriber, 1)
internalUserSChan := make(chan engine.UserService, 1)
internalAliaseSChan := make(chan engine.AliasService, 1)
// Start balancer service
if cfg.BalancerEnabled {
go startBalancer(internalBalancerChan, &stopHandled, exitChan) // Not really needed async here but to cope with uniformity
}
// Start rater service
if cfg.RaterEnabled {
go startRater(internalRaterChan, internalBalancerChan, internalSchedulerChan, internalCdrStatSChan, internalHistorySChan, internalPubSubSChan, internalUserSChan, internalAliaseSChan,
server, ratingDb, accountDb, loadDb, cdrDb, logDb, &stopHandled, exitChan)
}
// Start Scheduler
if cfg.SchedulerEnabled {
go startScheduler(internalSchedulerChan, ratingDb, exitChan)
}
// Start CDR Server
if cfg.CDRSEnabled {
go startCDRS(internalCdrSChan, logDb, cdrDb, internalRaterChan, internalPubSubSChan, internalUserSChan, internalAliaseSChan, internalCdrStatSChan, server, exitChan)
}
// Start CDR Stats server
if cfg.CDRStatsEnabled {
go startCdrStats(internalCdrStatSChan, ratingDb, accountDb, server)
}
// Start CDRC components if necessary
go startCdrcs(internalCdrSChan, internalRaterChan, exitChan)
// Start SM-FreeSWITCH
if cfg.SmFsConfig.Enabled {
go startSmFreeSWITCH(internalRaterChan, cdrDb, exitChan)
// close all sessions on shutdown
go shutdownSessionmanagerSingnalHandler(exitChan)
}
// Start SM-Kamailio
if cfg.SmKamConfig.Enabled {
go startSmKamailio(internalRaterChan, cdrDb, exitChan)
}
// Start SM-OpenSIPS
if cfg.SmOsipsConfig.Enabled {
go startSmOpenSIPS(internalRaterChan, cdrDb, exitChan)
}
// Register session manager service // FixMe: make sure this is thread safe
if cfg.SmFsConfig.Enabled || cfg.SmKamConfig.Enabled || cfg.SmOsipsConfig.Enabled { // Register SessionManagerV1 service
smRpc = new(v1.SessionManagerV1)
server.RpcRegister(smRpc)
}
// Start HistoryS service
if cfg.HistoryServerEnabled {
go startHistoryServer(internalHistorySChan, server, exitChan)
}
// Start PubSubS service
if cfg.PubSubServerEnabled {
go startPubSubServer(internalPubSubSChan, accountDb, server)
}
// Start Aliases service
if cfg.AliasesServerEnabled {
go startAliasesServer(internalAliaseSChan, accountDb, server, exitChan)
}
// Start users service
if cfg.UserServerEnabled {
go startUsersServer(internalUserSChan, accountDb, server, exitChan)
}
// Serve rpc connections
go startRpc(server, internalRaterChan, internalCdrSChan, internalCdrStatSChan, internalHistorySChan,
internalPubSubSChan, internalUserSChan, internalAliaseSChan)
<-exitChan
if *pidFile != "" {
if err := os.Remove(*pidFile); err != nil {
utils.Logger.Warning("Could not remove pid file: " + err.Error())
}
}
utils.Logger.Info("Stopped all components. CGRateS shutdown!")
}
func startPubSubServer(internalPubSubSChan chan engine.PublisherSubscriber, accountDb engine.AccountingStorage, server *engine.Server) {
pubSubServer := engine.NewPubSub(accountDb, cfg.HttpSkipTlsVerify)
server.RpcRegisterName("PubSubV1", pubSubServer)
internalPubSubSChan <- pubSubServer
}
func startCdrStats(internalCdrStatSChan chan engine.StatsInterface, ratingDb engine.RatingStorage, accountDb engine.AccountingStorage, server *engine.Server) {
cdrStats := engine.NewStats(ratingDb, accountDb, cfg.CDRStatsSaveInterval)
server.RpcRegister(cdrStats)
server.RpcRegister(&v1.CDRStatsV1{CdrStats: cdrStats}) // Public APIs
internalCdrStatSChan <- cdrStats
}
func startCDRS(internalCdrSChan chan *engine.CdrServer, logDb engine.LogStorage, cdrDb engine.CdrStorage,
internalRaterChan chan *engine.Responder, internalPubSubSChan chan engine.PublisherSubscriber,
internalUserSChan chan engine.UserService, internalAliaseSChan chan engine.AliasService,
internalCdrStatSChan chan engine.StatsInterface, server *engine.Server, exitChan chan bool) {
utils.Logger.Info("Starting CGRateS CDRS service.")
var err error
var client *rpcclient.RpcClient
// Rater connection init
var raterConn engine.Connector
if cfg.CDRSRater == utils.INTERNAL {
responder := <-internalRaterChan // Wait for rater to come up before start querying
raterConn = responder
internalRaterChan <- responder // Put back the connection since there might be other entities waiting for it
} else if len(cfg.CDRSRater) != 0 {
client, err = rpcclient.NewRpcClient("tcp", cfg.CDRSRater, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<CDRS> Could not connect to rater: %s", err.Error()))
exitChan <- true
return
}
raterConn = &engine.RPCClientConnector{Client: client}
}
// Pubsub connection init
var pubSubConn engine.PublisherSubscriber
if cfg.CDRSPubSub == utils.INTERNAL {
pubSubs := <-internalPubSubSChan
pubSubConn = pubSubs
internalPubSubSChan <- pubSubs
} else if len(cfg.CDRSPubSub) != 0 {
if cfg.CDRSRater == cfg.CDRSPubSub {
pubSubConn = &engine.ProxyPubSub{Client: client}
} else {
client, err = rpcclient.NewRpcClient("tcp", cfg.CDRSPubSub, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<CDRS> Could not connect to pubsub server: %s", err.Error()))
exitChan <- true
return
}
pubSubConn = &engine.ProxyPubSub{Client: client}
}
}
// Users connection init
var usersConn engine.UserService
if cfg.CDRSUsers == utils.INTERNAL {
userS := <-internalUserSChan
usersConn = userS
internalUserSChan <- userS
} else if len(cfg.CDRSUsers) != 0 {
if cfg.CDRSRater == cfg.CDRSUsers {
usersConn = &engine.ProxyUserService{Client: client}
} else {
client, err = rpcclient.NewRpcClient("tcp", cfg.CDRSUsers, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<CDRS> Could not connect to users server: %s", err.Error()))
exitChan <- true
return
}
usersConn = &engine.ProxyUserService{Client: client}
}
}
// Aliases connection init
var aliasesConn engine.AliasService
if cfg.CDRSAliases == utils.INTERNAL {
aliaseS := <-internalAliaseSChan
aliasesConn = aliaseS
internalAliaseSChan <- aliaseS
} else if len(cfg.CDRSAliases) != 0 {
if cfg.CDRSRater == cfg.CDRSAliases {
aliasesConn = &engine.ProxyAliasService{Client: client}
} else {
client, err = rpcclient.NewRpcClient("tcp", cfg.CDRSAliases, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<CDRS> Could not connect to aliases server: %s", err.Error()))
exitChan <- true
return
}
aliasesConn = &engine.ProxyAliasService{Client: client}
}
}
// Stats connection init
var statsConn engine.StatsInterface
if cfg.CDRSStats == utils.INTERNAL {
statS := <-internalCdrStatSChan
statsConn = statS
internalCdrStatSChan <- statS
} else if len(cfg.CDRSStats) != 0 {
if cfg.CDRSRater == cfg.CDRSStats {
statsConn = &engine.ProxyStats{Client: client}
} else {
client, err = rpcclient.NewRpcClient("tcp", cfg.CDRSStats, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<CDRS> Could not connect to stats server: %s", err.Error()))
exitChan <- true
return
}
statsConn = &engine.ProxyStats{Client: client}
}
}
cdrServer, _ := engine.NewCdrServer(cfg, cdrDb, raterConn, pubSubConn, usersConn, aliasesConn, statsConn)
utils.Logger.Info("Registering CDRS HTTP Handlers.")
cdrServer.RegisterHanlersToServer(server)
utils.Logger.Info("Registering CDRS RPC service.")
cdrSrv := v1.CdrsV1{CdrSrv: cdrServer}
server.RpcRegister(&cdrSrv)
server.RpcRegister(&v2.CdrsV2{CdrsV1: cdrSrv})
// Make the cdr server available for internal communication
responder := <-internalRaterChan // Retrieve again the responder
responder.CdrSrv = cdrServer // Attach connection to cdrServer in responder, so it can be used later
internalRaterChan <- responder // Put back the connection for the rest of the system
internalCdrSChan <- cdrServer // Signal that cdrS is operational
}
// Starts rater and reports on chan
func startRater(internalRaterChan chan *engine.Responder, internalBalancerChan chan *balancer2go.Balancer, internalSchedulerChan chan *scheduler.Scheduler,
internalCdrStatSChan chan engine.StatsInterface, internalHistorySChan chan history.Scribe,
internalPubSubSChan chan engine.PublisherSubscriber, internalUserSChan chan engine.UserService, internalAliaseSChan chan engine.AliasService,
server *engine.Server,
ratingDb engine.RatingStorage, accountDb engine.AccountingStorage, loadDb engine.LoadStorage, cdrDb engine.CdrStorage, logDb engine.LogStorage,
stopHandled *bool, exitChan chan bool) {
waitTasks := make([]chan struct{}, 0)
//Cache load
cacheTaskChan := make(chan struct{})
waitTasks = append(waitTasks, cacheTaskChan)
go func() {
defer close(cacheTaskChan)
if err := ratingDb.CacheRatingAll(); err != nil {
utils.Logger.Crit(fmt.Sprintf("Cache rating error: %s", err.Error()))
exitChan <- true
return
}
if err := accountDb.CacheAccountingPrefixes(); err != nil { // Used to cache load history
utils.Logger.Crit(fmt.Sprintf("Cache accounting error: %s", err.Error()))
exitChan <- true
return
}
}()
// Retrieve scheduler for it's API methods
var sched *scheduler.Scheduler // Need the scheduler in APIer
if cfg.SchedulerEnabled {
schedTaskChan := make(chan struct{})
waitTasks = append(waitTasks, schedTaskChan)
go func() {
defer close(schedTaskChan)
select {
case sched = <-internalSchedulerChan:
internalSchedulerChan <- sched
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal scheduler connection timeout.")
exitChan <- true
return
}
}()
}
// Connection to balancer
var bal *balancer2go.Balancer
if cfg.RaterBalancer != "" {
balTaskChan := make(chan struct{})
waitTasks = append(waitTasks, balTaskChan)
go func() {
defer close(balTaskChan)
if cfg.RaterBalancer == utils.INTERNAL {
select {
case bal = <-internalBalancerChan:
internalBalancerChan <- bal // Put it back if someone else is interested about
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal balancer connection timeout.")
exitChan <- true
return
}
} else {
go registerToBalancer(exitChan)
go stopRaterSignalHandler(internalCdrStatSChan, exitChan)
*stopHandled = true
}
}()
}
// Connection to CDRStats
var cdrStats engine.StatsInterface
if cfg.RaterCdrStats != "" {
cdrstatTaskChan := make(chan struct{})
waitTasks = append(waitTasks, cdrstatTaskChan)
go func() {
defer close(cdrstatTaskChan)
if cfg.RaterCdrStats == utils.INTERNAL {
select {
case cdrStats = <-internalCdrStatSChan:
internalCdrStatSChan <- cdrStats
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal cdrstats connection timeout.")
exitChan <- true
return
}
} else if cdrStats, err = engine.NewProxyStats(cfg.RaterCdrStats, cfg.ConnectAttempts, -1); err != nil {
utils.Logger.Crit(fmt.Sprintf("<Rater> Could not connect to cdrstats, error: %s", err.Error()))
exitChan <- true
return
}
}()
}
// Connection to HistoryS
if cfg.RaterHistoryServer != "" {
histTaskChan := make(chan struct{})
waitTasks = append(waitTasks, histTaskChan)
go func() {
defer close(histTaskChan)
var scribeServer history.Scribe
if cfg.RaterHistoryServer == utils.INTERNAL {
select {
case scribeServer = <-internalHistorySChan:
internalHistorySChan <- scribeServer
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal historys connection timeout.")
exitChan <- true
return
}
} else if scribeServer, err = history.NewProxyScribe(cfg.RaterHistoryServer, cfg.ConnectAttempts, -1); err != nil {
utils.Logger.Crit(fmt.Sprintf("<Rater> Could not connect historys, error: %s", err.Error()))
exitChan <- true
return
}
engine.SetHistoryScribe(scribeServer) // ToDo: replace package sharing with connection based one
}()
}
// Connection to pubsubs
if cfg.RaterPubSubServer != "" {
pubsubTaskChan := make(chan struct{})
waitTasks = append(waitTasks, pubsubTaskChan)
go func() {
defer close(pubsubTaskChan)
var pubSubServer engine.PublisherSubscriber
if cfg.RaterPubSubServer == utils.INTERNAL {
select {
case pubSubServer = <-internalPubSubSChan:
internalPubSubSChan <- pubSubServer
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal pubsub connection timeout.")
exitChan <- true
return
}
} else if pubSubServer, err = engine.NewProxyPubSub(cfg.RaterPubSubServer, cfg.ConnectAttempts, -1); err != nil {
utils.Logger.Crit(fmt.Sprintf("<Rater> Could not connect to pubsubs: %s", err.Error()))
exitChan <- true
return
}
engine.SetPubSub(pubSubServer) // ToDo: replace package sharing with connection based one
}()
}
// Connection to AliasService
if cfg.RaterAliasesServer != "" {
aliasesTaskChan := make(chan struct{})
waitTasks = append(waitTasks, aliasesTaskChan)
go func() {
defer close(aliasesTaskChan)
var aliasesServer engine.AliasService
if cfg.RaterAliasesServer == utils.INTERNAL {
select {
case aliasesServer = <-internalAliaseSChan:
internalAliaseSChan <- aliasesServer
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal aliases connection timeout.")
exitChan <- true
return
}
} else if aliasesServer, err = engine.NewProxyAliasService(cfg.RaterAliasesServer, cfg.ConnectAttempts, -1); err != nil {
utils.Logger.Crit(fmt.Sprintf("<Rater> Could not connect to aliases, error: %s", err.Error()))
exitChan <- true
return
}
engine.SetAliasService(aliasesServer) // ToDo: replace package sharing with connection based one
}()
}
// Connection to UserService
var userServer engine.UserService
if cfg.RaterUserServer != "" {
usersTaskChan := make(chan struct{})
waitTasks = append(waitTasks, usersTaskChan)
go func() {
defer close(usersTaskChan)
if cfg.RaterUserServer == utils.INTERNAL {
select {
case userServer = <-internalUserSChan:
internalUserSChan <- userServer
case <-time.After(cfg.InternalTtl):
utils.Logger.Crit("<Rater>: Internal users connection timeout.")
exitChan <- true
return
}
} else if userServer, err = engine.NewProxyUserService(cfg.RaterUserServer, cfg.ConnectAttempts, -1); err != nil {
utils.Logger.Crit(fmt.Sprintf("<Rater> Could not connect users, error: %s", err.Error()))
exitChan <- true
return
}
engine.SetUserService(userServer)
}()
}
// Wait for all connections to complete before going further
for _, chn := range waitTasks {
<-chn
}
responder := &engine.Responder{Bal: bal, ExitChan: exitChan, Stats: cdrStats}
apierRpcV1 := &v1.ApierV1{StorDb: loadDb, RatingDb: ratingDb, AccountDb: accountDb, CdrDb: cdrDb, LogDb: logDb, Sched: sched,
Config: cfg, Responder: responder, CdrStatsSrv: cdrStats, Users: userServer}
apierRpcV2 := &v2.ApierV2{
ApierV1: *apierRpcV1}
// internalSchedulerChan shared here
server.RpcRegister(responder)
server.RpcRegister(apierRpcV1)
server.RpcRegister(apierRpcV2)
internalRaterChan <- responder // Rater done
}