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体验新版 GitCode,发现更多精彩内容 >>
提交
c1c9d551
编写于
6月 20, 2011
作者:
A
antirez
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Fix for bug 561 and other related problems
上级
634bae94
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
96 addition
and
21 deletion
+96
-21
src/networking.c
src/networking.c
+25
-0
src/redis.h
src/redis.h
+1
-0
src/t_list.c
src/t_list.c
+38
-10
src/t_set.c
src/t_set.c
+6
-11
tests/integration/replication.tcl
tests/integration/replication.tcl
+18
-0
tests/unit/type/list.tcl
tests/unit/type/list.tcl
+8
-0
未找到文件。
src/networking.c
浏览文件 @
c1c9d551
...
...
@@ -947,3 +947,28 @@ void clientCommand(redisClient *c) {
addReplyError
(
c
,
"Syntax error, try CLIENT (LIST | KILL ip:port)"
);
}
}
void
rewriteClientCommandVector
(
redisClient
*
c
,
int
argc
,
...)
{
va_list
ap
;
int
j
;
robj
**
argv
;
/* The new argument vector */
argv
=
zmalloc
(
sizeof
(
robj
*
)
*
argc
);
va_start
(
ap
,
argc
);
for
(
j
=
0
;
j
<
argc
;
j
++
)
{
robj
*
a
;
a
=
va_arg
(
ap
,
robj
*
);
argv
[
j
]
=
a
;
incrRefCount
(
a
);
}
/* We free the objects in the original vector at the end, so we are
* sure that if the same objects are reused in the new vector the
* refcount gets incremented before it gets decremented. */
for
(
j
=
0
;
j
<
c
->
argc
;
j
++
)
decrRefCount
(
c
->
argv
[
j
]);
zfree
(
c
->
argv
);
/* Replace argv and argc with our new versions. */
c
->
argv
=
argv
;
c
->
argc
=
argc
;
va_end
(
ap
);
}
src/redis.h
浏览文件 @
c1c9d551
...
...
@@ -819,6 +819,7 @@ void addReplyMultiBulkLen(redisClient *c, long length);
void
*
dupClientReplyValue
(
void
*
o
);
void
getClientsMaxBuffers
(
unsigned
long
*
longest_output_list
,
unsigned
long
*
biggest_input_buffer
);
void
rewriteClientCommandVector
(
redisClient
*
c
,
int
argc
,
...);
#ifdef __GNUC__
void
addReplyErrorFormat
(
redisClient
*
c
,
const
char
*
fmt
,
...)
...
...
src/t_list.c
浏览文件 @
c1c9d551
...
...
@@ -640,7 +640,9 @@ void lremCommand(redisClient *c) {
* as well. This command was originally proposed by Ezra Zygmuntowicz.
*/
void
rpoplpushHandlePush
(
redisClient
*
c
,
robj
*
dstkey
,
robj
*
dstobj
,
robj
*
value
)
{
void
rpoplpushHandlePush
(
redisClient
*
origclient
,
redisClient
*
c
,
robj
*
dstkey
,
robj
*
dstobj
,
robj
*
value
)
{
robj
*
aux
;
if
(
!
handleClientsWaitingListPush
(
c
,
dstkey
,
value
))
{
/* Create the list if the key does not exist */
if
(
!
dstobj
)
{
...
...
@@ -648,9 +650,25 @@ void rpoplpushHandlePush(redisClient *c, robj *dstkey, robj *dstobj, robj *value
dbAdd
(
c
->
db
,
dstkey
,
dstobj
);
}
else
{
signalModifiedKey
(
c
->
db
,
dstkey
);
server
.
dirty
++
;
}
listTypePush
(
dstobj
,
value
,
REDIS_HEAD
);
/* If we are pushing as a result of LPUSH against a key
* watched by BLPOPLPUSH, we need to rewrite the command vector.
* But if this is called directly by RPOPLPUSH (either directly
* or via a BRPOPLPUSH where the popped list exists)
* we should replicate the BRPOPLPUSH command itself. */
if
(
c
!=
origclient
)
{
aux
=
createStringObject
(
"LPUSH"
,
5
);
rewriteClientCommandVector
(
origclient
,
3
,
aux
,
dstkey
,
value
);
decrRefCount
(
aux
);
}
else
{
/* Make sure to always use RPOPLPUSH in the replication / AOF,
* even if the original command was BRPOPLPUSH. */
aux
=
createStringObject
(
"RPOPLPUSH"
,
9
);
rewriteClientCommandVector
(
origclient
,
3
,
aux
,
c
->
argv
[
1
],
c
->
argv
[
2
]);
decrRefCount
(
aux
);
}
server
.
dirty
++
;
}
/* Always send the pushed value to the client. */
...
...
@@ -666,16 +684,22 @@ void rpoplpushCommand(redisClient *c) {
addReply
(
c
,
shared
.
nullbulk
);
}
else
{
robj
*
dobj
=
lookupKeyWrite
(
c
->
db
,
c
->
argv
[
2
]);
robj
*
touchedkey
=
c
->
argv
[
1
];
if
(
dobj
&&
checkType
(
c
,
dobj
,
REDIS_LIST
))
return
;
value
=
listTypePop
(
sobj
,
REDIS_TAIL
);
rpoplpushHandlePush
(
c
,
c
->
argv
[
2
],
dobj
,
value
);
/* We saved touched key, and protect it, since rpoplpushHandlePush
* may change the client command argument vector. */
incrRefCount
(
touchedkey
);
rpoplpushHandlePush
(
c
,
c
,
c
->
argv
[
2
],
dobj
,
value
);
/* listTypePop returns an object with its refcount incremented */
decrRefCount
(
value
);
/* Delete the source list when it is empty */
if
(
listTypeLength
(
sobj
)
==
0
)
dbDelete
(
c
->
db
,
c
->
argv
[
1
]);
signalModifiedKey
(
c
->
db
,
c
->
argv
[
1
]);
if
(
listTypeLength
(
sobj
)
==
0
)
dbDelete
(
c
->
db
,
touchedkey
);
signalModifiedKey
(
c
->
db
,
touchedkey
);
decrRefCount
(
touchedkey
);
server
.
dirty
++
;
}
}
...
...
@@ -777,6 +801,7 @@ void unblockClientWaitingData(redisClient *c) {
/* Cleanup the client structure */
zfree
(
c
->
bpop
.
keys
);
c
->
bpop
.
keys
=
NULL
;
if
(
c
->
bpop
.
target
)
decrRefCount
(
c
->
bpop
.
target
);
c
->
bpop
.
target
=
NULL
;
c
->
flags
&=
~
REDIS_BLOCKED
;
c
->
flags
|=
REDIS_UNBLOCKED
;
...
...
@@ -820,6 +845,10 @@ int handleClientsWaitingListPush(redisClient *c, robj *key, robj *ele) {
receiver
=
ln
->
value
;
dstkey
=
receiver
->
bpop
.
target
;
/* Protect receiver->bpop.target, that will be freed by
* the next unblockClientWaitingData() call. */
if
(
dstkey
)
incrRefCount
(
dstkey
);
/* This should remove the first element of the "clients" list. */
unblockClientWaitingData
(
receiver
);
...
...
@@ -828,17 +857,16 @@ int handleClientsWaitingListPush(redisClient *c, robj *key, robj *ele) {
addReplyMultiBulkLen
(
receiver
,
2
);
addReplyBulk
(
receiver
,
key
);
addReplyBulk
(
receiver
,
ele
);
return
1
;
return
1
;
/* Serve just the first client as in B[RL]POP semantics */
}
else
{
/* BRPOPLPUSH, note that receiver->db is always equal to c->db. */
dstobj
=
lookupKeyWrite
(
receiver
->
db
,
dstkey
);
if
(
dstobj
&&
checkType
(
receiver
,
dstobj
,
REDIS_LIST
))
{
decrRefCount
(
dstkey
);
}
else
{
rpoplpushHandlePush
(
receiver
,
dstkey
,
dstobj
,
ele
);
if
(
!
(
dstobj
&&
checkType
(
receiver
,
dstobj
,
REDIS_LIST
)))
{
rpoplpushHandlePush
(
c
,
receiver
,
dstkey
,
dstobj
,
ele
);
decrRefCount
(
dstkey
);
return
1
;
}
decrRefCount
(
dstkey
);
}
}
...
...
src/t_set.c
浏览文件 @
c1c9d551
...
...
@@ -332,7 +332,7 @@ void scardCommand(redisClient *c) {
}
void
spopCommand
(
redisClient
*
c
)
{
robj
*
set
,
*
ele
;
robj
*
set
,
*
ele
,
*
aux
;
int64_t
llele
;
int
encoding
;
...
...
@@ -348,16 +348,11 @@ void spopCommand(redisClient *c) {
setTypeRemove
(
set
,
ele
);
}
/* Change argv to replicate as SREM */
c
->
argc
=
3
;
c
->
argv
=
zrealloc
(
c
->
argv
,
sizeof
(
robj
*
)
*
(
c
->
argc
));
/* Overwrite SREM with SPOP (same length) */
redisAssert
(
sdslen
(
c
->
argv
[
0
]
->
ptr
)
==
4
);
memcpy
(
c
->
argv
[
0
]
->
ptr
,
"SREM"
,
4
);
/* Popped element already has incremented refcount */
c
->
argv
[
2
]
=
ele
;
/* Replicate/AOF this command as an SREM operation */
aux
=
createStringObject
(
"SREM"
,
4
);
rewriteClientCommandVector
(
c
,
3
,
aux
,
c
->
argv
[
1
],
ele
);
decrRefCount
(
ele
);
decrRefCount
(
aux
);
addReplyBulk
(
c
,
ele
);
if
(
setTypeSize
(
set
)
==
0
)
dbDelete
(
c
->
db
,
c
->
argv
[
1
]);
...
...
tests/integration/replication.tcl
浏览文件 @
c1c9d551
...
...
@@ -6,6 +6,24 @@ start_server {tags {"repl"}} {
s -1 role
}
{
slave
}
test
{
BRPOPLPUSH replication, when blocking against empty list
}
{
set rd
[
redis_deferring_client
]
$rd brpoplpush a b 5
r lpush a foo
after 1000
assert_equal
[
r debug digest
]
[
r -1 debug digest
]
}
test
{
BRPOPLPUSH replication, list exists
}
{
set rd
[
redis_deferring_client
]
r lpush c 1
r lpush c 2
r lpush c 3
$rd brpoplpush c d 5
after 1000
assert_equal
[
r debug digest
]
[
r -1 debug digest
]
}
test
{
MASTER and SLAVE dataset should be identical after complex ops
}
{
createComplexDataset r 10000
after 500
...
...
tests/unit/type/list.tcl
浏览文件 @
c1c9d551
...
...
@@ -278,6 +278,14 @@ start_server {
r exec
}
{
foo bar
{}
{}
{
bar foo
}}
test
{
BRPOPLPUSH timeout
}
{
set rd
[
redis_deferring_client
]
$rd brpoplpush foo_list bar_list 1
after 2000
$rd read
}
{}
foreach
{
pop
}
{
BLPOP BRPOP
}
{
test
"
$pop:
with single empty list argument"
{
set rd
[
redis_deferring_client
]
...
...
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