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体验新版 GitCode,发现更多精彩内容 >>
提交
c7d9d662
编写于
5月 30, 2010
作者:
P
Pieter Noordhuis
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
generic push function that supports the dual encoding
上级
0f3dfa87
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
41 addition
and
25 deletion
+41
-25
redis.c
redis.c
+41
-25
未找到文件。
redis.c
浏览文件 @
c7d9d662
...
...
@@ -75,6 +75,7 @@
#include "lzf.h"
/* LZF compression library */
#include "pqsort.h"
/* Partial qsort for SORT+LIMIT */
#include "zipmap.h"
/* Compact dictionary-alike data structure */
#include "ziplist.h"
/* Compact list data structure */
#include "sha1.h"
/* SHA1 is used for DEBUG DIGEST */
#include "release.h"
/* Release and/or git repository information */
...
...
@@ -124,10 +125,12 @@
/* Objects encoding. Some kind of objects like Strings and Hashes can be
* internally represented in multiple ways. The 'encoding' field of the object
* is set to one of this fields for this object. */
#define REDIS_ENCODING_RAW 0
/* Raw representation */
#define REDIS_ENCODING_INT 1
/* Encoded as integer */
#define REDIS_ENCODING_ZIPMAP 2
/* Encoded as zipmap */
#define REDIS_ENCODING_HT 3
/* Encoded as an hash table */
#define REDIS_ENCODING_RAW 0
/* Raw representation */
#define REDIS_ENCODING_INT 1
/* Encoded as integer */
#define REDIS_ENCODING_HT 2
/* Encoded as hash table */
#define REDIS_ENCODING_ZIPMAP 3
/* Encoded as zipmap */
#define REDIS_ENCODING_LIST 4
/* Encoded as zipmap */
#define REDIS_ENCODING_ZIPLIST 5
/* Encoded as ziplist */
static
char
*
strencoding
[]
=
{
"raw"
,
"int"
,
"zipmap"
,
"hashtable"
...
...
@@ -3016,7 +3019,16 @@ static void freeStringObject(robj *o) {
}
static
void
freeListObject
(
robj
*
o
)
{
listRelease
((
list
*
)
o
->
ptr
);
switch
(
o
->
encoding
)
{
case
REDIS_ENCODING_LIST
:
listRelease
((
list
*
)
o
->
ptr
);
break
;
case
REDIS_ENCODING_ZIPLIST
:
zfree
(
o
->
ptr
);
break
;
default:
redisPanic
(
"Unknown list encoding type"
);
}
}
static
void
freeSetObject
(
robj
*
o
)
{
...
...
@@ -4760,26 +4772,36 @@ static void moveCommand(redisClient *c) {
}
/* =================================== Lists ================================ */
static
void
pushGenericCommand
(
redisClient
*
c
,
int
where
)
{
robj
*
lobj
;
list
*
list
;
static
void
lPush
(
robj
*
subject
,
robj
*
value
,
int
where
)
{
if
(
subject
->
encoding
==
REDIS_ENCODING_ZIPLIST
)
{
int
pos
=
(
where
==
REDIS_HEAD
)
?
ZIPLIST_HEAD
:
ZIPLIST_TAIL
;
value
=
getDecodedObject
(
value
);
subject
->
ptr
=
ziplistPush
(
subject
->
ptr
,
value
->
ptr
,
sdslen
(
value
->
ptr
),
pos
);
decrRefCount
(
value
);
}
else
if
(
subject
->
encoding
==
REDIS_ENCODING_LIST
)
{
if
(
where
==
REDIS_HEAD
)
{
listAddNodeHead
(
subject
->
ptr
,
value
);
}
else
{
listAddNodeTail
(
subject
->
ptr
,
value
);
}
incrRefCount
(
value
);
}
else
{
redisPanic
(
"Unknown list encoding"
);
}
}
lobj
=
lookupKeyWrite
(
c
->
db
,
c
->
argv
[
1
]);
static
void
pushGenericCommand
(
redisClient
*
c
,
int
where
)
{
robj
*
lobj
=
lookupKeyWrite
(
c
->
db
,
c
->
argv
[
1
]);
if
(
lobj
==
NULL
)
{
if
(
handleClientsWaitingListPush
(
c
,
c
->
argv
[
1
],
c
->
argv
[
2
]))
{
addReply
(
c
,
shared
.
cone
);
return
;
}
lobj
=
createListObject
();
list
=
lobj
->
ptr
;
if
(
where
==
REDIS_HEAD
)
{
listAddNodeHead
(
list
,
c
->
argv
[
2
]);
}
else
{
listAddNodeTail
(
list
,
c
->
argv
[
2
]);
}
lobj
=
createObject
(
REDIS_LIST
,
ziplistNew
());
lobj
->
encoding
=
REDIS_ENCODING_ZIPLIST
;
dictAdd
(
c
->
db
->
dict
,
c
->
argv
[
1
],
lobj
);
incrRefCount
(
c
->
argv
[
1
]);
incrRefCount
(
c
->
argv
[
2
]);
}
else
{
if
(
lobj
->
type
!=
REDIS_LIST
)
{
addReply
(
c
,
shared
.
wrongtypeerr
);
...
...
@@ -4789,16 +4811,10 @@ static void pushGenericCommand(redisClient *c, int where) {
addReply
(
c
,
shared
.
cone
);
return
;
}
list
=
lobj
->
ptr
;
if
(
where
==
REDIS_HEAD
)
{
listAddNodeHead
(
list
,
c
->
argv
[
2
]);
}
else
{
listAddNodeTail
(
list
,
c
->
argv
[
2
]);
}
incrRefCount
(
c
->
argv
[
2
]);
}
lPush
(
lobj
,
c
->
argv
[
2
],
where
);
addReplyLongLong
(
c
,
lLength
(
lobj
));
server
.
dirty
++
;
addReplyLongLong
(
c
,
listLength
(
list
));
}
static
void
lpushCommand
(
redisClient
*
c
)
{
...
...
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