ledisdb/cmd/ledis-server/main.go

101 lines
2.1 KiB
Go

package main
import (
"flag"
"fmt"
"github.com/siddontang/ledisdb/config"
"github.com/siddontang/ledisdb/server"
"log"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"runtime"
"syscall"
)
var configFile = flag.String("config", "", "ledisdb config file")
var addr = flag.String("addr", "", "ledisdb listen address")
var dataDir = flag.String("data_dir", "", "ledisdb base data dir")
var dbName = flag.String("db_name", "", "select a db to use, it will overwrite the config's db name")
var usePprof = flag.Bool("pprof", false, "enable pprof")
var pprofPort = flag.Int("pprof_port", 6060, "pprof http port")
var slaveof = flag.String("slaveof", "", "make the server a slave of another instance")
var readonly = flag.Bool("readonly", false, "set readonly mode, salve server is always readonly")
var rpl = flag.Bool("rpl", false, "enable replication or not, slave server is always enabled")
var rplSync = flag.Bool("rpl_sync", false, "enable sync replication or not")
var ttlCheck = flag.Int("ttl_check", 1, "TTL check interval")
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
flag.Parse()
var cfg *config.Config
var err error
if len(*configFile) == 0 {
println("no config set, using default config")
cfg = config.NewConfigDefault()
} else {
cfg, err = config.NewConfigWithFile(*configFile)
}
if err != nil {
println(err.Error())
return
}
if len(*addr) > 0 {
cfg.Addr = *addr
}
if len(*dataDir) > 0 {
cfg.DataDir = *dataDir
}
if len(*dbName) > 0 {
cfg.DBName = *dbName
}
if len(*slaveof) > 0 {
cfg.SlaveOf = *slaveof
cfg.Readonly = true
cfg.UseReplication = true
} else {
cfg.Readonly = *readonly
cfg.UseReplication = *rpl
cfg.Replication.Sync = *rplSync
}
cfg.TTLCheckInterval = *ttlCheck
var app *server.App
app, err = server.NewApp(cfg)
if err != nil {
println(err.Error())
return
}
sc := make(chan os.Signal, 1)
signal.Notify(sc,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT)
go func() {
<-sc
app.Close()
}()
if *usePprof {
go func() {
log.Println(http.ListenAndServe(fmt.Sprintf(":%d", *pprofPort), nil))
}()
}
app.Run()
}