func initFilter() {
// Rely on db and config.
if db == nil || cfg == nil {
panic(errors.New("filter require db and config"))
}
// Init filter
flt = filter.New(cfg)
flt.Init(db)
}
func main() {
// Arguments
fileName := flag.String("c", "config.json", "config file")
debug := flag.Bool("d", false, "debug mode")
vers := flag.Bool("v", false, "version")
flag.Parse()
// Version
if *vers {
fmt.Fprintln(os.Stdout, version.Version)
os.Exit(1)
}
// Logging
log.SetName("banshee")
if *debug {
log.SetLevel(log.DEBUG)
}
log.Debug("using %s, max %d cpu", runtime.Version(), runtime.GOMAXPROCS(-1))
// Config
cfg := config.New()
if flag.NFlag() == 0 || (flag.NFlag() == 1 && *debug == true) {
log.Warn("no config file specified, using default..")
} else {
err := cfg.UpdateWithJSONFile(*fileName)
if err != nil {
log.Fatal("failed to load %s, %s", *fileName, err)
}
}
// Storage
options := &storage.Options{
NumGrid: cfg.Period[0],
GridLen: cfg.Period[1],
}
db, err := storage.Open(cfg.Storage.Path, options)
if err != nil {
log.Fatal("failed to open %s: %v", cfg.Storage.Path, err)
}
// Cleaner
cleaner := cleaner.New(db, cfg.Period[0]*cfg.Period[1])
go cleaner.Start()
// Filter
filter := filter.New()
filter.Init(db)
// Alerter
alerter := alerter.New(cfg, db, filter)
alerter.Start()
// Webapp
go webapp.Start(cfg, db)
// Detector
detector := detector.New(cfg, db, filter)
detector.Out(alerter.In)
detector.Start()
}
"github.com/eleme/banshee/health"
"github.com/eleme/banshee/storage"
"github.com/eleme/banshee/util/log"
"github.com/eleme/banshee/version"
"github.com/eleme/banshee/webapp"
)
var (
// Arguments
debug = flag.Bool("d", false, "debug mode")
fileName = flag.String("c", "config.json", "config file path")
showVersion = flag.Bool("v", false, "show version")
// Variables
cfg = config.New()
db *storage.DB
flt = filter.New()
)
func usage() {
fmt.Fprintf(os.Stderr, "usage: banshee [-c config] [-d] [-v]\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "copyright eleme https://github.com/eleme/banshee.\n")
os.Exit(2)
}
func initLog() {
log.SetName("banshee")
if *debug {
log.SetLevel(log.DEBUG)
}
goVs := runtime.Version()