Files
cgrates/cmd/cgr-engine/cgr-engine.go
2015-12-09 15:36:31 +02:00

773 lines
28 KiB
Go

/*
Rating system designed to be used in VoIP Carriers World
Copyright (C) 2012-2015 ITsysCOM
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package main
import (
"flag"
"fmt"
"log"
"os"
"reflect"
"runtime"
"runtime/pprof"
"strconv"
"time"
"github.com/cgrates/cgrates/agents"
"github.com/cgrates/cgrates/apier/v1"
"github.com/cgrates/cgrates/apier/v2"
"github.com/cgrates/cgrates/balancer2go"
"github.com/cgrates/cgrates/cdrc"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/history"
"github.com/cgrates/cgrates/scheduler"
"github.com/cgrates/cgrates/sessionmanager"
"github.com/cgrates/cgrates/utils"
"github.com/cgrates/rpcclient"
)
const (
JSON = "json"
GOB = "gob"
POSTGRES = "postgres"
MYSQL = "mysql"
MONGO = "mongo"
REDIS = "redis"
SAME = "same"
FS = "freeswitch"
KAMAILIO = "kamailio"
OSIPS = "opensips"
)
var (
cfgDir = flag.String("config_dir", utils.CONFIG_DIR, "Configuration directory path.")
version = flag.Bool("version", false, "Prints the application version.")
raterEnabled = flag.Bool("rater", false, "Enforce starting of the rater daemon overwriting config")
schedEnabled = flag.Bool("scheduler", false, "Enforce starting of the scheduler daemon .overwriting config")
cdrsEnabled = flag.Bool("cdrs", false, "Enforce starting of the cdrs daemon overwriting config")
pidFile = flag.String("pid", "", "Write pid file")
cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
singlecpu = flag.Bool("singlecpu", false, "Run on single CPU core")
cfg *config.CGRConfig
smRpc *v1.SessionManagerV1
err error
)
func startCdrcs(internalCdrSChan chan *engine.CdrServer, internalRaterChan chan *engine.Responder, exitChan chan bool) {
cdrcInitialized := false // Control whether the cdrc was already initialized (so we don't reload in that case)
var cdrcChildrenChan chan struct{} // Will use it to communicate with the children of one fork
for {
select {
case <-exitChan: // Stop forking CDRCs
break
case <-cfg.ConfigReloads[utils.CDRC]: // Consume the load request and wait for a new one
if cdrcInitialized {
utils.Logger.Info("<CDRC> Configuration reload")
close(cdrcChildrenChan) // Stop all the children of the previous run
}
cdrcChildrenChan = make(chan struct{})
}
// Start CDRCs
for _, cdrcCfgs := range cfg.CdrcProfiles {
var cdrcCfg *config.CdrcConfig
for _, cdrcCfg = range cdrcCfgs { // Take a random config out since they should be the same
break
}
if cdrcCfg.Enabled == false {
continue // Ignore not enabled
}
go startCdrc(internalCdrSChan, internalRaterChan, cdrcCfgs, cfg.HttpSkipTlsVerify, cdrcChildrenChan, exitChan)
}
cdrcInitialized = true // Initialized
}
}
// Fires up a cdrc instance
func startCdrc(internalCdrSChan chan *engine.CdrServer, internalRaterChan chan *engine.Responder, cdrcCfgs map[string]*config.CdrcConfig, httpSkipTlsCheck bool,
closeChan chan struct{}, exitChan chan bool) {
var cdrsConn engine.Connector
var cdrcCfg *config.CdrcConfig
for _, cdrcCfg = range cdrcCfgs { // Take the first config out, does not matter which one
break
}
if cdrcCfg.Cdrs == utils.INTERNAL {
cdrsChan := <-internalCdrSChan // This will signal that the cdrs part is populated in internalRaterChan
internalCdrSChan <- cdrsChan // Put it back for other components
resp := <-internalRaterChan
cdrsConn = resp
internalRaterChan <- resp
} else {
conn, err := rpcclient.NewRpcClient("tcp", cdrcCfg.Cdrs, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<CDRC> Could not connect to CDRS via RPC: %v", err))
exitChan <- true
return
}
cdrsConn = &engine.RPCClientConnector{Client: conn}
}
cdrc, err := cdrc.NewCdrc(cdrcCfgs, httpSkipTlsCheck, cdrsConn, closeChan, cfg.DefaultTimezone)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("Cdrc config parsing error: %s", err.Error()))
exitChan <- true
return
}
if err := cdrc.Run(); err != nil {
utils.Logger.Crit(fmt.Sprintf("Cdrc run error: %s", err.Error()))
exitChan <- true // If run stopped, something is bad, stop the application
}
}
func startSmGeneric(internalSMGChan chan rpcclient.RpcClientConnection, internalRaterChan chan *engine.Responder, server *utils.Server, exitChan chan bool) {
utils.Logger.Info("Starting CGRateS SM-Generic service.")
var raterConn, cdrsConn engine.Connector
var client *rpcclient.RpcClient
var err error
// Connect to rater
for _, raterCfg := range cfg.SmGenericConfig.HaRater {
if raterCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
raterConn = resp // Will overwrite here for the sake of keeping internally the new configuration format for ha connections
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", raterCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil { //Connected so no need to reiterate
utils.Logger.Crit(fmt.Sprintf("<SM-Generic> Could not connect to Rater via RPC: %v", err))
exitChan <- true
return
}
raterConn = &engine.RPCClientConnector{Client: client}
}
}
// Connect to CDRS
if reflect.DeepEqual(cfg.SmGenericConfig.HaCdrs, cfg.SmGenericConfig.HaRater) {
cdrsConn = raterConn
} else if len(cfg.SmGenericConfig.HaCdrs) != 0 {
for _, cdrsCfg := range cfg.SmGenericConfig.HaCdrs {
if cdrsCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
cdrsConn = resp
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", cdrsCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<SM-Generic> Could not connect to CDRS via RPC: %v", err))
exitChan <- true
return
}
cdrsConn = &engine.RPCClientConnector{Client: client}
}
}
}
smg_econns := sessionmanager.NewSMGExternalConnections()
sm := sessionmanager.NewSMGeneric(cfg, raterConn, cdrsConn, cfg.DefaultTimezone, smg_econns)
if err = sm.Connect(); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-Generic> error: %s!", err))
}
// Register RPC handler
smgRpc := v1.NewSMGenericV1(sm)
server.RpcRegister(smgRpc)
internalSMGChan <- smgRpc
// Register BiRpc handlers
smgBiRpc := v1.NewSMGenericBiRpcV1(sm)
for method, handler := range smgBiRpc.Handlers() {
server.BijsonRegisterName(method, handler)
}
// Register OnConnect handlers so we can intercept connections for session disconnects
server.BijsonRegisterOnConnect(smg_econns.OnClientConnect)
server.BijsonRegisterOnDisconnect(smg_econns.OnClientDisconnect)
}
func startDiameterAgent(internalSMGChan chan rpcclient.RpcClientConnection, exitChan chan bool) {
utils.Logger.Info("Starting CGRateS DiameterAgent service.")
var smgConn *rpcclient.RpcClient
var err error
if cfg.DiameterAgentCfg().SMGeneric == utils.INTERNAL {
smgRpc := <-internalSMGChan
internalSMGChan <- smgRpc
smgConn, err = rpcclient.NewRpcClient("", "", 0, 0, rpcclient.INTERNAL_RPC, smgRpc)
} else {
smgConn, err = rpcclient.NewRpcClient("tcp", cfg.DiameterAgentCfg().SMGeneric, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
}
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<DiameterAgent> Could not connect to SMG: %s", err.Error()))
exitChan <- true
return
}
da, err := agents.NewDiameterAgent(cfg, smgConn)
if err != nil {
utils.Logger.Err(fmt.Sprintf("<DiameterAgent> error: %s!", err))
exitChan <- true
return
}
if err = da.ListenAndServe(); err != nil {
utils.Logger.Err(fmt.Sprintf("<DiameterAgent> error: %s!", err))
}
exitChan <- true
}
func startSmFreeSWITCH(internalRaterChan chan *engine.Responder, cdrDb engine.CdrStorage, exitChan chan bool) {
utils.Logger.Info("Starting CGRateS SM-FreeSWITCH service.")
var raterConn, cdrsConn engine.Connector
var client *rpcclient.RpcClient
var err error
// Connect to rater
for _, raterCfg := range cfg.SmFsConfig.HaRater {
if raterCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
raterConn = resp // Will overwrite here for the sake of keeping internally the new configuration format for ha connections
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", raterCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil { //Connected so no need to reiterate
utils.Logger.Crit(fmt.Sprintf("<SM-FreeSWITCH> Could not connect to rater via RPC: %v", err))
exitChan <- true
return
}
raterConn = &engine.RPCClientConnector{Client: client}
}
}
// Connect to CDRS
if reflect.DeepEqual(cfg.SmFsConfig.HaCdrs, cfg.SmFsConfig.HaRater) {
cdrsConn = raterConn
} else if len(cfg.SmFsConfig.HaCdrs) != 0 {
for _, cdrsCfg := range cfg.SmFsConfig.HaCdrs {
if cdrsCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
cdrsConn = resp
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", cdrsCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<SM-FreeSWITCH> Could not connect to CDRS via RPC: %v", err))
exitChan <- true
return
}
cdrsConn = &engine.RPCClientConnector{Client: client}
}
}
}
sm := sessionmanager.NewFSSessionManager(cfg.SmFsConfig, raterConn, cdrsConn, cfg.DefaultTimezone)
smRpc.SMs = append(smRpc.SMs, sm)
if err = sm.Connect(); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> error: %s!", err))
}
exitChan <- true
}
func startSmKamailio(internalRaterChan chan *engine.Responder, cdrDb engine.CdrStorage, exitChan chan bool) {
utils.Logger.Info("Starting CGRateS SM-Kamailio service.")
var raterConn, cdrsConn engine.Connector
var client *rpcclient.RpcClient
var err error
// Connect to rater
for _, raterCfg := range cfg.SmKamConfig.HaRater {
if raterCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
raterConn = resp // Will overwrite here for the sake of keeping internally the new configuration format for ha connections
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", raterCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil { //Connected so no need to reiterate
utils.Logger.Crit(fmt.Sprintf("<SM-Kamailio> Could not connect to rater via RPC: %v", err))
exitChan <- true
return
}
raterConn = &engine.RPCClientConnector{Client: client}
}
}
// Connect to CDRS
if reflect.DeepEqual(cfg.SmKamConfig.HaCdrs, cfg.SmKamConfig.HaRater) {
cdrsConn = raterConn
} else if len(cfg.SmKamConfig.HaCdrs) != 0 {
for _, cdrsCfg := range cfg.SmKamConfig.HaCdrs {
if cdrsCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
cdrsConn = resp
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", cdrsCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<SM-Kamailio> Could not connect to CDRS via RPC: %v", err))
exitChan <- true
return
}
cdrsConn = &engine.RPCClientConnector{Client: client}
}
}
}
sm, _ := sessionmanager.NewKamailioSessionManager(cfg.SmKamConfig, raterConn, cdrsConn, cfg.DefaultTimezone)
smRpc.SMs = append(smRpc.SMs, sm)
if err = sm.Connect(); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-Kamailio> error: %s!", err))
}
exitChan <- true
}
func startSmOpenSIPS(internalRaterChan chan *engine.Responder, cdrDb engine.CdrStorage, exitChan chan bool) {
utils.Logger.Info("Starting CGRateS SM-OpenSIPS service.")
var raterConn, cdrsConn engine.Connector
var client *rpcclient.RpcClient
var err error
// Connect to rater
for _, raterCfg := range cfg.SmOsipsConfig.HaRater {
if raterCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
raterConn = resp // Will overwrite here for the sake of keeping internally the new configuration format for ha connections
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", raterCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil { //Connected so no need to reiterate
utils.Logger.Crit(fmt.Sprintf("<SM-OpenSIPS> Could not connect to rater via RPC: %v", err))
exitChan <- true
return
}
raterConn = &engine.RPCClientConnector{Client: client}
}
}
// Connect to CDRS
if reflect.DeepEqual(cfg.SmOsipsConfig.HaCdrs, cfg.SmOsipsConfig.HaRater) {
cdrsConn = raterConn
} else if len(cfg.SmOsipsConfig.HaCdrs) != 0 {
for _, cdrsCfg := range cfg.SmOsipsConfig.HaCdrs {
if cdrsCfg.Server == utils.INTERNAL {
resp := <-internalRaterChan
cdrsConn = resp
internalRaterChan <- resp
} else {
client, err = rpcclient.NewRpcClient("tcp", cdrsCfg.Server, cfg.ConnectAttempts, cfg.Reconnects, utils.GOB, nil)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<SM-OpenSIPS> Could not connect to CDRS via RPC: %v", err))
exitChan <- true
return
}
cdrsConn = &engine.RPCClientConnector{Client: client}
}
}
}
sm, _ := sessionmanager.NewOSipsSessionManager(cfg.SmOsipsConfig, cfg.Reconnects, raterConn, cdrsConn, cfg.DefaultTimezone)
smRpc.SMs = append(smRpc.SMs, sm)
if err := sm.Connect(); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-OpenSIPS> error: %s!", err))
}
exitChan <- true
}
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 *utils.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, nil)
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, nil)
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, nil)
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, nil)
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, nil)
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.RegisterHandlersToServer(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
}
func startScheduler(internalSchedulerChan chan *scheduler.Scheduler, cacheDoneChan chan struct{}, ratingDb engine.RatingStorage, exitChan chan bool) {
// Wait for cache to load data before starting
cacheDone := <-cacheDoneChan
cacheDoneChan <- cacheDone
utils.Logger.Info("Starting CGRateS Scheduler.")
sched := scheduler.NewScheduler(ratingDb)
go reloadSchedulerSingnalHandler(sched, ratingDb)
time.Sleep(1)
internalSchedulerChan <- sched
sched.Reload(true)
sched.Loop()
exitChan <- true // Should not get out of loop though
}
func startCdrStats(internalCdrStatSChan chan engine.StatsInterface, ratingDb engine.RatingStorage, accountDb engine.AccountingStorage, server *utils.Server) {
cdrStats := engine.NewStats(ratingDb, accountDb, cfg.CDRStatsSaveInterval)
server.RpcRegister(cdrStats)
server.RpcRegister(&v1.CDRStatsV1{CdrStats: cdrStats}) // Public APIs
internalCdrStatSChan <- cdrStats
}
func startHistoryServer(internalHistorySChan chan history.Scribe, server *utils.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 startPubSubServer(internalPubSubSChan chan engine.PublisherSubscriber, accountDb engine.AccountingStorage, server *utils.Server) {
pubSubServer := engine.NewPubSub(accountDb, cfg.HttpSkipTlsVerify)
server.RpcRegisterName("PubSubV1", pubSubServer)
internalPubSubSChan <- pubSubServer
}
// ToDo: Make sure we are caching before starting this one
func startAliasesServer(internalAliaseSChan chan engine.AliasService, accountDb engine.AccountingStorage, server *utils.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 startUsersServer(internalUserSChan chan engine.UserService, accountDb engine.AccountingStorage, server *utils.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
}
func startRpc(server *utils.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 writePid() {
utils.Logger.Info(*pidFile)
f, err := os.Create(*pidFile)
if err != nil {
log.Fatal("Could not write pid file: ", err)
}
f.WriteString(strconv.Itoa(os.Getpid()))
if err := f.Close(); err != nil {
log.Fatal("Could not write pid file: ", err)
}
}
func main() {
flag.Parse()
if *version {
fmt.Println("CGRateS " + utils.VERSION)
return
}
if *pidFile != "" {
writePid()
}
if *singlecpu {
runtime.GOMAXPROCS(1) // Having multiple cpus may slow 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(utils.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)
cacheDoneChan := make(chan struct{}, 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)
internalSMGChan := make(chan rpcclient.RpcClientConnection, 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, cacheDoneChan, internalBalancerChan, internalSchedulerChan, internalCdrStatSChan, internalHistorySChan, internalPubSubSChan, internalUserSChan, internalAliaseSChan,
server, ratingDb, accountDb, loadDb, cdrDb, logDb, &stopHandled, exitChan)
}
// Start Scheduler
if cfg.SchedulerEnabled {
go startScheduler(internalSchedulerChan, cacheDoneChan, 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-Generic
if cfg.SmGenericConfig.Enabled {
go startSmGeneric(internalSMGChan, internalRaterChan, server, 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.SmGenericConfig.Enabled || cfg.SmFsConfig.Enabled || cfg.SmKamConfig.Enabled || cfg.SmOsipsConfig.Enabled { // Register SessionManagerV1 service
smRpc = new(v1.SessionManagerV1)
server.RpcRegister(smRpc)
}
if cfg.DiameterAgentCfg().Enabled {
go startDiameterAgent(internalSMGChan, exitChan)
}
// 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!")
}