94 lines
1.8 KiB
Go
94 lines
1.8 KiB
Go
// Copyright (C) 2014-2015 Jakob Borg and Contributors (see the CONTRIBUTORS file).
|
|
|
|
package main
|
|
|
|
import (
|
|
"database/sql"
|
|
"flag"
|
|
"log"
|
|
"net"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/thejerf/suture"
|
|
)
|
|
|
|
var (
|
|
lruSize = 10240
|
|
limitAvg = 5
|
|
limitBurst = 20
|
|
globalStats stats
|
|
statsFile string
|
|
backend = "ql"
|
|
dsn = getEnvDefault("DISCOSRV_DB_DSN", "memory://discosrv")
|
|
)
|
|
|
|
func main() {
|
|
const (
|
|
cleanIntv = 1 * time.Hour
|
|
statsIntv = 5 * time.Minute
|
|
)
|
|
|
|
var listen string
|
|
|
|
log.SetOutput(os.Stdout)
|
|
log.SetFlags(0)
|
|
|
|
flag.StringVar(&listen, "listen", ":22027", "Listen address")
|
|
flag.IntVar(&lruSize, "limit-cache", lruSize, "Limiter cache entries")
|
|
flag.IntVar(&limitAvg, "limit-avg", limitAvg, "Allowed average package rate, per 10 s")
|
|
flag.IntVar(&limitBurst, "limit-burst", limitBurst, "Allowed burst size, packets")
|
|
flag.StringVar(&statsFile, "stats-file", statsFile, "File to write periodic operation stats to")
|
|
flag.StringVar(&backend, "db-backend", backend, "Database backend to use")
|
|
flag.StringVar(&dsn, "db-dsn", dsn, "Database DSN")
|
|
flag.Parse()
|
|
|
|
addr, _ := net.ResolveUDPAddr("udp", listen)
|
|
|
|
var err error
|
|
db, err := sql.Open(backend, dsn)
|
|
if err != nil {
|
|
log.Fatalln("sql.Open:", err)
|
|
}
|
|
prep, err := setup(backend, db)
|
|
if err != nil {
|
|
log.Fatalln("Setup:", err)
|
|
}
|
|
|
|
main := suture.NewSimple("main")
|
|
|
|
main.Add(&querysrv{
|
|
addr: addr,
|
|
db: db,
|
|
prep: prep,
|
|
})
|
|
|
|
main.Add(&cleansrv{
|
|
intv: cleanIntv,
|
|
db: db,
|
|
prep: prep,
|
|
})
|
|
|
|
main.Add(&statssrv{
|
|
intv: statsIntv,
|
|
file: statsFile,
|
|
db: db,
|
|
})
|
|
|
|
globalStats.Reset()
|
|
main.Serve()
|
|
}
|
|
|
|
func getEnvDefault(key, def string) string {
|
|
if val := os.Getenv(key); val != "" {
|
|
return val
|
|
}
|
|
return def
|
|
}
|
|
|
|
func next(intv time.Duration) time.Duration {
|
|
t0 := time.Now()
|
|
t1 := t0.Add(intv).Truncate(intv)
|
|
return t1.Sub(t0)
|
|
}
|