ledisdb/cmd/dump.go

58 lines
985 B
Go

package cmd
import (
"flag"
"fmt"
"os"
"github.com/siddontang/goredis"
)
func Dump() {
var host = flag.String("host", "127.0.0.1", "ledis server host")
var dumpPort = flag.Int("port", 6380, "ledis server port")
var sock = flag.String("sock", "", "ledis unix socket domain")
var dumpFile = flag.String("o", "./ledis.dump", "dump file to save")
flag.Parse()
var err error
var f *os.File
if f, err = os.OpenFile(*dumpFile, os.O_CREATE|os.O_WRONLY, 0644); err != nil {
println(err.Error())
return
}
defer f.Close()
var addr string
if len(*sock) != 0 {
addr = *sock
} else {
addr = fmt.Sprintf("%s:%d", *host, *dumpPort)
}
c, err := goredis.ConnectWithSize(addr, 16*1024, 4096)
if err != nil {
println(err.Error())
return
}
defer c.Close()
println("dump begin")
if err = c.Send("fullsync"); err != nil {
println(err.Error())
return
}
if err = c.ReceiveBulkTo(f); err != nil {
println(err.Error())
return
}
println("dump end")
}