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