forked from mirror/ledisdb
141 lines
3.5 KiB
Go
141 lines
3.5 KiB
Go
package ledis
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"github.com/siddontang/go/hack"
|
|
)
|
|
|
|
var errInvalidEvent = errors.New("invalid event")
|
|
|
|
func formatEventKey(buf []byte, k []byte) ([]byte, error) {
|
|
if len(k) < 2 {
|
|
return nil, errInvalidEvent
|
|
}
|
|
|
|
buf = append(buf, fmt.Sprintf("DB:%2d ", k[0])...)
|
|
buf = append(buf, fmt.Sprintf("%s ", TypeName[k[1]])...)
|
|
|
|
db := new(DB)
|
|
index, _, err := decodeDBIndex(k)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
db.setIndex(index)
|
|
|
|
//to do format at respective place
|
|
|
|
switch k[1] {
|
|
case KVType:
|
|
if key, err := db.decodeKVKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
}
|
|
case HashType:
|
|
if key, field, err := db.hDecodeHashKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendQuote(buf, hack.String(field))
|
|
}
|
|
case HSizeType:
|
|
if key, err := db.hDecodeSizeKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
}
|
|
case ListType:
|
|
if key, seq, err := db.lDecodeListKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendInt(buf, int64(seq), 10)
|
|
}
|
|
case LMetaType:
|
|
if key, err := db.lDecodeMetaKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
}
|
|
case ZSetType:
|
|
if key, m, err := db.zDecodeSetKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendQuote(buf, hack.String(m))
|
|
}
|
|
case ZSizeType:
|
|
if key, err := db.zDecodeSizeKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
}
|
|
case ZScoreType:
|
|
if key, m, score, err := db.zDecodeScoreKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendQuote(buf, hack.String(m))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendInt(buf, score, 10)
|
|
}
|
|
// case BitType:
|
|
// if key, seq, err := db.bDecodeBinKey(k); err != nil {
|
|
// return nil, err
|
|
// } else {
|
|
// buf = strconv.AppendQuote(buf, hack.String(key))
|
|
// buf = append(buf, ' ')
|
|
// buf = strconv.AppendUint(buf, uint64(seq), 10)
|
|
// }
|
|
// case BitMetaType:
|
|
// if key, err := db.bDecodeMetaKey(k); err != nil {
|
|
// return nil, err
|
|
// } else {
|
|
// buf = strconv.AppendQuote(buf, hack.String(key))
|
|
// }
|
|
case SetType:
|
|
if key, member, err := db.sDecodeSetKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendQuote(buf, hack.String(member))
|
|
}
|
|
case SSizeType:
|
|
if key, err := db.sDecodeSizeKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
}
|
|
case ExpTimeType:
|
|
if tp, key, t, err := db.expDecodeTimeKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = append(buf, TypeName[tp]...)
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendInt(buf, t, 10)
|
|
}
|
|
case ExpMetaType:
|
|
if tp, key, err := db.expDecodeMetaKey(k); err != nil {
|
|
return nil, err
|
|
} else {
|
|
buf = append(buf, TypeName[tp]...)
|
|
buf = append(buf, ' ')
|
|
buf = strconv.AppendQuote(buf, hack.String(key))
|
|
}
|
|
default:
|
|
return nil, errInvalidEvent
|
|
}
|
|
|
|
return buf, nil
|
|
}
|