func dump_db(port int, db int, output io.Writer) {
var client redis.Client
if port != 0 {
client.Addr = "127.0.0.1:" + strconv.Itoa(port)
}
if db != 0 {
client.Db = db
}
fmt.Fprintf(output, "FLUSHDB\r\n")
keys, err := client.Keys("*")
if err != nil {
println("Redis-dump failed", err.Error())
return
}
for _, key := range keys {
typ, _ := client.Type(key)
if typ == "string" {
data, _ := client.Get(key)
fmt.Fprintf(output, "SET %s %d\r\n%s\r\n", key, len(data), data)
} else if typ == "list" {
llen, _ := client.Llen(key)
for i := 0; i < llen; i++ {
data, _ := client.Lindex(key, i)
fmt.Fprintf(output, "RPUSH %s %d\r\n%s\r\n", key, len(data), data)
}
} else if typ == "set" {
members, _ := client.Smembers(key)
for _, data := range members {
fmt.Fprintf(output, "SADD %s %d\r\n%s\r\n", key, len(data), data)
}
}
}
}