ledisdb/cmd/ledis-dump/main.go

63 lines
1.1 KiB
Go

package main
import (
"bufio"
"flag"
"fmt"
"github.com/siddontang/ledisdb/server"
"net"
"os"
)
var host = flag.String("host", "127.0.0.1", "ledis server host")
var port = 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")
var fullSyncCmd = []byte("*2\r\n$8\r\nfullsync\r\n$3\r\nnew\r\n") //fullsync
func main() {
flag.Parse()
var c net.Conn
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()
if len(*sock) != 0 {
c, err = net.Dial("unix", *sock)
} else {
addr := fmt.Sprintf("%s:%d", *host, *port)
c, err = net.Dial("tcp", addr)
}
if err != nil {
println(err.Error())
return
}
defer c.Close()
println("dump begin")
if _, err = c.Write(fullSyncCmd); err != nil {
println(err.Error())
return
}
rb := bufio.NewReaderSize(c, 16*1024)
if err = server.ReadBulkTo(rb, f); err != nil {
println(err.Error())
return
}
println("dump end")
}