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refactor, bin rename to bit, rename datatype

This commit is contained in:
siddontang 2014-07-11 13:27:40 +08:00
parent 55056660e3
commit a41b1ef669
11 changed files with 107 additions and 82 deletions
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43
ledis/const.go
View File

@ -5,22 +5,39 @@ import (
)
const (
noneType byte = 0
kvType byte = 1
hashType byte = 2
hSizeType byte = 3
listType byte = 4
lMetaType byte = 5
zsetType byte = 6
zSizeType byte = 7
zScoreType byte = 8
binType byte = 9
binMetaType byte = 10
NoneType byte = 0
KVType byte = 1
HashType byte = 2
HSizeType byte = 3
ListType byte = 4
LMetaType byte = 5
ZSetType byte = 6
ZSizeType byte = 7
ZScoreType byte = 8
BitType byte = 9
BitMetaType byte = 10
maxDataType byte = 100
expTimeType byte = 101
expMetaType byte = 102
ExpTimeType byte = 101
ExpMetaType byte = 102
)
var (
TypeName = map[byte]string{
KVType: "kv",
HashType: "hash",
HSizeType: "hsize",
ListType: "list",
LMetaType: "lmeta",
ZSetType: "zset",
ZSizeType: "zsize",
ZScoreType: "zscore",
BitType: "bit",
BitMetaType: "bitmeta",
ExpTimeType: "exptime",
ExpMetaType: "expmeta",
}
)
const (

10
ledis/ledis_db.go
View File

@ -26,11 +26,11 @@ func (db *DB) FlushAll() (drop int64, err error) {
func (db *DB) newEliminator() *elimination {
eliminator := newEliminator(db)
eliminator.regRetireContext(kvType, db.kvTx, db.delete)
eliminator.regRetireContext(listType, db.listTx, db.lDelete)
eliminator.regRetireContext(hashType, db.hashTx, db.hDelete)
eliminator.regRetireContext(zsetType, db.zsetTx, db.zDelete)
eliminator.regRetireContext(binType, db.binTx, db.bDelete)
eliminator.regRetireContext(KVType, db.kvTx, db.delete)
eliminator.regRetireContext(ListType, db.listTx, db.lDelete)
eliminator.regRetireContext(HashType, db.hashTx, db.hDelete)
eliminator.regRetireContext(ZSetType, db.zsetTx, db.zDelete)
eliminator.regRetireContext(BitType, db.binTx, db.bDelete)
return eliminator
}

28
ledis/t_bin.go → ledis/t_bit.go
View File

@ -119,19 +119,27 @@ func (datas segBitInfoArray) Swap(i, j int) {
func (db *DB) bEncodeMetaKey(key []byte) []byte {
mk := make([]byte, len(key)+2)
mk[0] = db.index
mk[1] = binMetaType
mk[1] = BitMetaType
copy(mk, key)
return mk
}
func (db *DB) bDecodeMetaKey(bkey []byte) ([]byte, error) {
if len(bkey) < 2 || bkey[0] != db.index || bkey[1] != BitMetaType {
return nil, errBinKey
}
return bkey[2:], nil
}
func (db *DB) bEncodeBinKey(key []byte, seq uint32) []byte {
bk := make([]byte, len(key)+8)
pos := 0
bk[pos] = db.index
pos++
bk[pos] = binType
bk[pos] = BitType
pos++
binary.BigEndian.PutUint16(bk[pos:], uint16(len(key)))
@ -355,7 +363,7 @@ func (db *DB) bExpireAt(key []byte, when int64) (int64, error) {
if seq, _, err := db.bGetMeta(key); err != nil || seq < 0 {
return 0, err
} else {
db.expireAt(t, binType, key, when)
db.expireAt(t, BitType, key, when)
if err := t.Commit(); err != nil {
return 0, err
}
@ -407,7 +415,7 @@ func (db *DB) BDelete(key []byte) (drop int64, err error) {
defer t.Unlock()
drop = db.bDelete(t, key)
db.rmExpire(t, binType, key)
db.rmExpire(t, BitType, key)
err = t.Commit()
return
@ -736,7 +744,7 @@ func (db *DB) BOperation(op uint8, dstkey []byte, srckeys ...[]byte) (blen int32
// clear the old data in case
db.bDelete(t, dstkey)
db.rmExpire(t, binType, dstkey)
db.rmExpire(t, BitType, dstkey)
// set data
db.bSetMeta(t, dstkey, maxDstSeq, maxDstOff)
@ -786,7 +794,7 @@ func (db *DB) BTTL(key []byte) (int64, error) {
return -1, err
}
return db.ttl(binType, key)
return db.ttl(BitType, key)
}
func (db *DB) BPersist(key []byte) (int64, error) {
@ -798,7 +806,7 @@ func (db *DB) BPersist(key []byte) (int64, error) {
t.Lock()
defer t.Unlock()
n, err := db.rmExpire(t, binType, key)
n, err := db.rmExpire(t, BitType, key)
if err != nil {
return 0, err
}
@ -818,14 +826,14 @@ func (db *DB) bFlush() (drop int64, err error) {
minKey := make([]byte, 2)
minKey[0] = db.index
minKey[1] = binType
minKey[1] = BitType
maxKey := make([]byte, 2)
maxKey[0] = db.index
maxKey[1] = binMetaType + 1
maxKey[1] = BitMetaType + 1
drop, err = db.flushRegion(t, minKey, maxKey)
err = db.expFlush(t, binType)
err = db.expFlush(t, BitType)
err = t.Commit()
return

0
ledis/t_bin_test.go → ledis/t_bit_test.go
View File

26
ledis/t_hash.go
View File

@ -33,14 +33,14 @@ func (db *DB) hEncodeSizeKey(key []byte) []byte {
buf := make([]byte, len(key)+2)
buf[0] = db.index
buf[1] = hSizeType
buf[1] = HSizeType
copy(buf[2:], key)
return buf
}
func (db *DB) hDecodeSizeKey(ek []byte) ([]byte, error) {
if len(ek) < 2 || ek[0] != db.index || ek[1] != hSizeType {
if len(ek) < 2 || ek[0] != db.index || ek[1] != HSizeType {
return nil, errHSizeKey
}
@ -53,7 +53,7 @@ func (db *DB) hEncodeHashKey(key []byte, field []byte) []byte {
pos := 0
buf[pos] = db.index
pos++
buf[pos] = hashType
buf[pos] = HashType
pos++
binary.BigEndian.PutUint16(buf[pos:], uint16(len(key)))
@ -70,7 +70,7 @@ func (db *DB) hEncodeHashKey(key []byte, field []byte) []byte {
}
func (db *DB) hDecodeHashKey(ek []byte) ([]byte, []byte, error) {
if len(ek) < 5 || ek[0] != db.index || ek[1] != hashType {
if len(ek) < 5 || ek[0] != db.index || ek[1] != HashType {
return nil, nil, errHashKey
}
@ -151,7 +151,7 @@ func (db *DB) hExpireAt(key []byte, when int64) (int64, error) {
if hlen, err := db.HLen(key); err != nil || hlen == 0 {
return 0, err
} else {
db.expireAt(t, hashType, key, when)
db.expireAt(t, HashType, key, when)
if err := t.Commit(); err != nil {
return 0, err
}
@ -304,7 +304,7 @@ func (db *DB) hIncrSize(key []byte, delta int64) (int64, error) {
if size <= 0 {
size = 0
t.Delete(sk)
db.rmExpire(t, hashType, key)
db.rmExpire(t, HashType, key)
} else {
t.Put(sk, PutInt64(size))
}
@ -428,7 +428,7 @@ func (db *DB) HClear(key []byte) (int64, error) {
defer t.Unlock()
num := db.hDelete(t, key)
db.rmExpire(t, hashType, key)
db.rmExpire(t, HashType, key)
err := t.Commit()
return num, err
@ -445,7 +445,7 @@ func (db *DB) HMclear(keys ...[]byte) (int64, error) {
}
db.hDelete(t, key)
db.rmExpire(t, hashType, key)
db.rmExpire(t, HashType, key)
}
err := t.Commit()
@ -455,18 +455,18 @@ func (db *DB) HMclear(keys ...[]byte) (int64, error) {
func (db *DB) hFlush() (drop int64, err error) {
minKey := make([]byte, 2)
minKey[0] = db.index
minKey[1] = hashType
minKey[1] = HashType
maxKey := make([]byte, 2)
maxKey[0] = db.index
maxKey[1] = hSizeType + 1
maxKey[1] = HSizeType + 1
t := db.kvTx
t.Lock()
defer t.Unlock()
drop, err = db.flushRegion(t, minKey, maxKey)
err = db.expFlush(t, hashType)
err = db.expFlush(t, HashType)
err = t.Commit()
return
@ -530,7 +530,7 @@ func (db *DB) HTTL(key []byte) (int64, error) {
return -1, err
}
return db.ttl(hashType, key)
return db.ttl(HashType, key)
}
func (db *DB) HPersist(key []byte) (int64, error) {
@ -542,7 +542,7 @@ func (db *DB) HPersist(key []byte) (int64, error) {
t.Lock()
defer t.Unlock()
n, err := db.rmExpire(t, hashType, key)
n, err := db.rmExpire(t, HashType, key)
if err != nil {
return 0, err
}

16
ledis/t_kv.go
View File

@ -31,13 +31,13 @@ func checkValueSize(value []byte) error {
func (db *DB) encodeKVKey(key []byte) []byte {
ek := make([]byte, len(key)+2)
ek[0] = db.index
ek[1] = kvType
ek[1] = KVType
copy(ek[2:], key)
return ek
}
func (db *DB) decodeKVKey(ek []byte) ([]byte, error) {
if len(ek) < 2 || ek[0] != db.index || ek[1] != kvType {
if len(ek) < 2 || ek[0] != db.index || ek[1] != KVType {
return nil, errKVKey
}
@ -51,7 +51,7 @@ func (db *DB) encodeKVMinKey() []byte {
func (db *DB) encodeKVMaxKey() []byte {
ek := db.encodeKVKey(nil)
ek[len(ek)-1] = kvType + 1
ek[len(ek)-1] = KVType + 1
return ek
}
@ -100,7 +100,7 @@ func (db *DB) setExpireAt(key []byte, when int64) (int64, error) {
if exist, err := db.Exists(key); err != nil || exist == 0 {
return 0, err
} else {
db.expireAt(t, kvType, key, when)
db.expireAt(t, KVType, key, when)
if err := t.Commit(); err != nil {
return 0, err
}
@ -132,7 +132,7 @@ func (db *DB) Del(keys ...[]byte) (int64, error) {
for i, k := range keys {
t.Delete(codedKeys[i])
db.rmExpire(t, kvType, k)
db.rmExpire(t, KVType, k)
}
err := t.Commit()
@ -317,7 +317,7 @@ func (db *DB) flush() (drop int64, err error) {
defer t.Unlock()
drop, err = db.flushRegion(t, minKey, maxKey)
err = db.expFlush(t, kvType)
err = db.expFlush(t, KVType)
err = t.Commit()
return
@ -382,7 +382,7 @@ func (db *DB) TTL(key []byte) (int64, error) {
return -1, err
}
return db.ttl(kvType, key)
return db.ttl(KVType, key)
}
func (db *DB) Persist(key []byte) (int64, error) {
@ -393,7 +393,7 @@ func (db *DB) Persist(key []byte) (int64, error) {
t := db.kvTx
t.Lock()
defer t.Unlock()
n, err := db.rmExpire(t, kvType, key)
n, err := db.rmExpire(t, KVType, key)
if err != nil {
return 0, err
}

26
ledis/t_list.go
View File

@ -23,14 +23,14 @@ var errListSeq = errors.New("invalid list sequence, overflow")
func (db *DB) lEncodeMetaKey(key []byte) []byte {
buf := make([]byte, len(key)+2)
buf[0] = db.index
buf[1] = lMetaType
buf[1] = LMetaType
copy(buf[2:], key)
return buf
}
func (db *DB) lDecodeMetaKey(ek []byte) ([]byte, error) {
if len(ek) < 2 || ek[0] != db.index || ek[1] != lMetaType {
if len(ek) < 2 || ek[0] != db.index || ek[1] != LMetaType {
return nil, errLMetaKey
}
@ -43,7 +43,7 @@ func (db *DB) lEncodeListKey(key []byte, seq int32) []byte {
pos := 0
buf[pos] = db.index
pos++
buf[pos] = listType
buf[pos] = ListType
pos++
binary.BigEndian.PutUint16(buf[pos:], uint16(len(key)))
@ -58,7 +58,7 @@ func (db *DB) lEncodeListKey(key []byte, seq int32) []byte {
}
func (db *DB) lDecodeListKey(ek []byte) (key []byte, seq int32, err error) {
if len(ek) < 8 || ek[0] != db.index || ek[1] != listType {
if len(ek) < 8 || ek[0] != db.index || ek[1] != ListType {
err = errListKey
return
}
@ -175,7 +175,7 @@ func (db *DB) lpop(key []byte, whereSeq int32) ([]byte, error) {
t.Delete(itemKey)
size := db.lSetMeta(metaKey, headSeq, tailSeq)
if size == 0 {
db.rmExpire(t, hashType, key)
db.rmExpire(t, HashType, key)
}
err = t.Commit()
@ -264,7 +264,7 @@ func (db *DB) lExpireAt(key []byte, when int64) (int64, error) {
if llen, err := db.LLen(key); err != nil || llen == 0 {
return 0, err
} else {
db.expireAt(t, listType, key, when)
db.expireAt(t, ListType, key, when)
if err := t.Commit(); err != nil {
return 0, err
}
@ -398,7 +398,7 @@ func (db *DB) LClear(key []byte) (int64, error) {
defer t.Unlock()
num := db.lDelete(t, key)
db.rmExpire(t, listType, key)
db.rmExpire(t, ListType, key)
err := t.Commit()
return num, err
@ -415,7 +415,7 @@ func (db *DB) LMclear(keys ...[]byte) (int64, error) {
}
db.lDelete(t, key)
db.rmExpire(t, listType, key)
db.rmExpire(t, ListType, key)
}
@ -426,18 +426,18 @@ func (db *DB) LMclear(keys ...[]byte) (int64, error) {
func (db *DB) lFlush() (drop int64, err error) {
minKey := make([]byte, 2)
minKey[0] = db.index
minKey[1] = listType
minKey[1] = ListType
maxKey := make([]byte, 2)
maxKey[0] = db.index
maxKey[1] = lMetaType + 1
maxKey[1] = LMetaType + 1
t := db.listTx
t.Lock()
defer t.Unlock()
drop, err = db.flushRegion(t, minKey, maxKey)
err = db.expFlush(t, listType)
err = db.expFlush(t, ListType)
err = t.Commit()
return
@ -464,7 +464,7 @@ func (db *DB) LTTL(key []byte) (int64, error) {
return -1, err
}
return db.ttl(listType, key)
return db.ttl(ListType, key)
}
func (db *DB) LPersist(key []byte) (int64, error) {
@ -476,7 +476,7 @@ func (db *DB) LPersist(key []byte) (int64, error) {
t.Lock()
defer t.Unlock()
n, err := db.rmExpire(t, listType, key)
n, err := db.rmExpire(t, ListType, key)
if err != nil {
return 0, err
}

14
ledis/t_ttl.go
View File

@ -26,7 +26,7 @@ func (db *DB) expEncodeTimeKey(dataType byte, key []byte, when int64) []byte {
buf := make([]byte, len(key)+11)
buf[0] = db.index
buf[1] = expTimeType
buf[1] = ExpTimeType
buf[2] = dataType
pos := 3
@ -42,7 +42,7 @@ func (db *DB) expEncodeMetaKey(dataType byte, key []byte) []byte {
buf := make([]byte, len(key)+3)
buf[0] = db.index
buf[1] = expMetaType
buf[1] = ExpMetaType
buf[2] = dataType
pos := 3
@ -52,7 +52,7 @@ func (db *DB) expEncodeMetaKey(dataType byte, key []byte) []byte {
}
func (db *DB) expDecodeMetaKey(mk []byte) (byte, []byte, error) {
if len(mk) <= 3 || mk[0] != db.index || mk[1] != expMetaType {
if len(mk) <= 3 || mk[0] != db.index || mk[1] != ExpMetaType {
return 0, nil, errExpMetaKey
}
@ -60,7 +60,7 @@ func (db *DB) expDecodeMetaKey(mk []byte) (byte, []byte, error) {
}
func (db *DB) expDecodeTimeKey(tk []byte) (byte, []byte, int64, error) {
if len(tk) < 11 || tk[0] != db.index || tk[1] != expTimeType {
if len(tk) < 11 || tk[0] != db.index || tk[1] != ExpTimeType {
return 0, nil, 0, errExpTimeKey
}
@ -114,12 +114,12 @@ func (db *DB) rmExpire(t *tx, dataType byte, key []byte) (int64, error) {
func (db *DB) expFlush(t *tx, dataType byte) (err error) {
minKey := make([]byte, 3)
minKey[0] = db.index
minKey[1] = expTimeType
minKey[1] = ExpTimeType
minKey[2] = dataType
maxKey := make([]byte, 3)
maxKey[0] = db.index
maxKey[1] = expMetaType
maxKey[1] = ExpMetaType
maxKey[2] = dataType + 1
_, err = db.flushRegion(t, minKey, maxKey)
@ -153,7 +153,7 @@ func (eli *elimination) active() {
db := eli.db
dbGet := db.db.Get
minKey := db.expEncodeTimeKey(noneType, nil, 0)
minKey := db.expEncodeTimeKey(NoneType, nil, 0)
maxKey := db.expEncodeTimeKey(maxDataType, nil, now)
it := db.db.RangeLimitIterator(minKey, maxKey, leveldb.RangeROpen, 0, -1)

26
ledis/t_zset.go
View File

@ -45,14 +45,14 @@ func checkZSetKMSize(key []byte, member []byte) error {
func (db *DB) zEncodeSizeKey(key []byte) []byte {
buf := make([]byte, len(key)+2)
buf[0] = db.index
buf[1] = zSizeType
buf[1] = ZSizeType
copy(buf[2:], key)
return buf
}
func (db *DB) zDecodeSizeKey(ek []byte) ([]byte, error) {
if len(ek) < 2 || ek[0] != db.index || ek[1] != zSizeType {
if len(ek) < 2 || ek[0] != db.index || ek[1] != ZSizeType {
return nil, errZSizeKey
}
@ -66,7 +66,7 @@ func (db *DB) zEncodeSetKey(key []byte, member []byte) []byte {
buf[pos] = db.index
pos++
buf[pos] = zsetType
buf[pos] = ZSetType
pos++
binary.BigEndian.PutUint16(buf[pos:], uint16(len(key)))
@ -84,7 +84,7 @@ func (db *DB) zEncodeSetKey(key []byte, member []byte) []byte {
}
func (db *DB) zDecodeSetKey(ek []byte) ([]byte, []byte, error) {
if len(ek) < 5 || ek[0] != db.index || ek[1] != zsetType {
if len(ek) < 5 || ek[0] != db.index || ek[1] != ZSetType {
return nil, nil, errZSetKey
}
@ -121,7 +121,7 @@ func (db *DB) zEncodeScoreKey(key []byte, member []byte, score int64) []byte {
buf[pos] = db.index
pos++
buf[pos] = zScoreType
buf[pos] = ZScoreType
pos++
binary.BigEndian.PutUint16(buf[pos:], uint16(len(key)))
@ -158,7 +158,7 @@ func (db *DB) zEncodeStopScoreKey(key []byte, score int64) []byte {
}
func (db *DB) zDecodeScoreKey(ek []byte) (key []byte, member []byte, score int64, err error) {
if len(ek) < 14 || ek[0] != db.index || ek[1] != zScoreType {
if len(ek) < 14 || ek[0] != db.index || ek[1] != ZScoreType {
err = errZScoreKey
return
}
@ -260,7 +260,7 @@ func (db *DB) zExpireAt(key []byte, when int64) (int64, error) {
if zcnt, err := db.ZCard(key); err != nil || zcnt == 0 {
return 0, err
} else {
db.expireAt(t, zsetType, key, when)
db.expireAt(t, ZSetType, key, when)
if err := t.Commit(); err != nil {
return 0, err
}
@ -314,7 +314,7 @@ func (db *DB) zIncrSize(t *tx, key []byte, delta int64) (int64, error) {
if size <= 0 {
size = 0
t.Delete(sk)
db.rmExpire(t, zsetType, key)
db.rmExpire(t, ZSetType, key)
} else {
t.Put(sk, PutInt64(size))
}
@ -734,11 +734,11 @@ func (db *DB) zFlush() (drop int64, err error) {
minKey := make([]byte, 2)
minKey[0] = db.index
minKey[1] = zsetType
minKey[1] = ZSetType
maxKey := make([]byte, 2)
maxKey[0] = db.index
maxKey[1] = zScoreType + 1
maxKey[1] = ZScoreType + 1
it := db.db.RangeLimitIterator(minKey, maxKey, leveldb.RangeROpen, 0, -1)
defer it.Close()
@ -753,7 +753,7 @@ func (db *DB) zFlush() (drop int64, err error) {
}
}
db.expFlush(t, zsetType)
db.expFlush(t, ZSetType)
err = t.Commit()
return
@ -819,7 +819,7 @@ func (db *DB) ZTTL(key []byte) (int64, error) {
return -1, err
}
return db.ttl(zsetType, key)
return db.ttl(ZSetType, key)
}
func (db *DB) ZPersist(key []byte) (int64, error) {
@ -831,7 +831,7 @@ func (db *DB) ZPersist(key []byte) (int64, error) {
t.Lock()
defer t.Unlock()
n, err := db.rmExpire(t, zsetType, key)
n, err := db.rmExpire(t, ZSetType, key)
if err != nil {
return 0, err
}

0
server/cmd_bin.go → server/cmd_bit.go
View File

0
server/cmd_bin_test.go → server/cmd_bit_test.go
View File