func Load(path string) *Config {
cfg := new(Config)
if _, err := toml.DecodeFile(path, &cfg); err != nil {
logger.Fatalf("Cannot read config file; %s", err)
}
return cfg
}
func (a *NPServer) Start() error {
// You can't use property, err := sth, because golang will qq
// This thing binds a classic TCP listener to the server
var err error
a.listener, err = net.Listen("tcp", environment.Env.Config.NP.BindingAddress)
if err != nil {
logger.Fatalf("Error listening; %s", err)
}
defer a.listener.Close()
logger.Infof("Serving NP server on %s", environment.Env.Config.NP.BindingAddress)
var tempDelay time.Duration
for {
conn, e := a.listener.Accept()
if e != nil {
if ne, ok := e.(net.Error); ok && ne.Temporary() {
if tempDelay == 0 {
tempDelay = 5 * time.Millisecond
} else {
tempDelay *= 2
}
if max := 1 * time.Second; tempDelay > max {
tempDelay = max
}
logger.Errorf("http: Accept error: %v; retrying in %v", e, tempDelay)
time.Sleep(tempDelay)
continue
}
return e
}
// Seperated it from the listener code to make it clean
go a.HandleConnection(conn)
}
return nil
}
func main() {
// Add the Stdout logger
logger.AddOutput(logger.Stdout{
MinLevel: logger.ERROR, //logger.DEBUG,
Colored: true,
})
// Load settings from config.toml in working directory
settings := config.Load("./config.toml")
/*logger.AddOutput(&logger.File{
MinLevel: logger.WARNING,
Path: "./server.log",
})*/
// Load the aCI3 key
err := aci.LoadKey(settings.NP.AnticheatKeyPath)
if err != nil {
logger.Fatalf("Cannot load aCI3 key; %s", err)
} else {
logger.Infof("Loaded aCI3 key")
}
// Start the NewRelic client if it's enabled in the config file
if settings.NewRelic.Enabled {
agent := gorelic.NewAgent()
agent.Verbose = settings.NewRelic.Verbose
agent.NewrelicName = settings.NewRelic.Name
agent.NewrelicLicense = settings.NewRelic.License
agent.Run()
}
// Generate a Jet database connector.
// Here, err shows if the connection string syntax is valid.
// The actual creds are checked during the first query.
database, err := jet.Open(
settings.Database.Driver,
settings.Database.ConnectionString,
)
defer database.Close()
if err != nil {
logger.Fatalf("Cannot connect to database; %s", err)
}
// But Redis connects here! As far as I know, autoreconnect is implemented
cache := redis.NewTCPClient(&redis.Options{
Addr: settings.Redis.Address,
Password: settings.Redis.Password,
DB: int64(settings.Redis.Database),
})
defer cache.Close()
// Set up a new environment object
environment.SetEnvironment(&environment.Environment{
Config: settings,
Database: database,
Redis: cache,
})
// This thing is massive
// The main network platform server that game connects to
if settings.NP.Enabled {
np_server := np.New()
go np_server.Start()
}
// HTTP-based remote authentication form and a simple API
// Is supposed to replace half of 3k
if settings.HTTP.Enabled {
http_server := http.New()
go http_server.Start()
}
/*if settings.PlayerLog.Enabled {
playerlog_server := playerlog.Init(settings.PlayerLog)
go playerlog_server.Start()
}
if settings.Misc.Enabled {
misc_server := misc.Init(settings.Misc)
go misc_server.Start()
}*/
// select{} stops execution of the program until all goroutines close
// TODO: add panic recovery!
if settings.NP.Enabled ||
settings.PlayerLog.Enabled ||
settings.Misc.Enabled ||
settings.HTTP.Enabled {
select {}
}
}