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ruanhaishen
redis
Commits
e4c019e7
Commit
e4c019e7
authored
Jul 09, 2013
by
antirez
Browse files
getClientPeerId() now reports errors.
We now also use it in CLIENT KILL implementation.
parent
5cdc5da9
Changes
2
Hide whitespace changes
Inline
Side-by-side
src/networking.c
View file @
e4c019e7
...
...
@@ -1134,25 +1134,27 @@ void getClientsMaxBuffers(unsigned long *longest_output_list,
* A Peer ID always fits inside a buffer of REDIS_PEER_ID_LEN bytes, including
* the null term.
*
* The function is always successful, but if the IP or port can't be extracted
* for some reason, "?" and "0" are used (this is the semantics of
* anetPeerToString() from anet.c). In practical terms this should never
* happen. */
void
getClientPeerId
(
redisClient
*
client
,
char
*
peerid
,
size_t
peerid_len
)
{
* The function returns REDIS_OK on succcess, and REDIS_ERR on failure.
*
* On failure the function still populates 'peerid' with the "?:0" string
* in case you want to relax error checking or need to display something
* anyway (see anetPeerToString implementation for more info). */
int
getClientPeerId
(
redisClient
*
client
,
char
*
peerid
,
size_t
peerid_len
)
{
char
ip
[
REDIS_IP_STR_LEN
];
int
port
;
if
(
client
->
flags
&
REDIS_UNIX_SOCKET
)
{
/* Unix socket client. */
snprintf
(
peerid
,
peerid_len
,
"%s:0"
,
server
.
unixsocket
);
return
;
return
REDIS_OK
;
}
else
{
/* TCP client. */
anetPeerToString
(
client
->
fd
,
ip
,
sizeof
(
ip
),
&
port
);
int
retval
=
anetPeerToString
(
client
->
fd
,
ip
,
sizeof
(
ip
),
&
port
);
if
(
strchr
(
ip
,
':'
))
snprintf
(
peerid
,
peerid_len
,
"[%s]:%d"
,
ip
,
port
);
else
snprintf
(
peerid
,
peerid_len
,
"%s:%d"
,
ip
,
port
);
return
(
retval
==
-
1
)
?
REDIS_ERR
:
REDIS_OK
;
}
}
...
...
@@ -1237,14 +1239,12 @@ void clientCommand(redisClient *c) {
}
else
if
(
!
strcasecmp
(
c
->
argv
[
1
]
->
ptr
,
"kill"
)
&&
c
->
argc
==
3
)
{
listRewind
(
server
.
clients
,
&
li
);
while
((
ln
=
listNext
(
&
li
))
!=
NULL
)
{
char
ip
[
REDIS_IP_STR_LEN
],
addr
[
REDIS_IP_STR_LEN
+
64
];
int
port
;
char
peerid
[
REDIS_PEER_ID_LEN
];
client
=
listNodeValue
(
ln
);
if
(
anetPeerToString
(
client
->
fd
,
ip
,
sizeof
(
ip
),
&
port
)
==
-
1
)
continue
;
/* IPV6: might want to wrap a v6 address in [] */
snprintf
(
addr
,
sizeof
(
addr
),
"%s:%d"
,
ip
,
port
);
if
(
strcmp
(
addr
,
c
->
argv
[
2
]
->
ptr
)
==
0
)
{
if
(
getClientPeerId
(
client
,
peerid
,
sizeof
(
peerid
))
==
REDIS_ERR
)
continue
;
if
(
strcmp
(
peerid
,
c
->
argv
[
2
]
->
ptr
)
==
0
)
{
addReply
(
c
,
shared
.
ok
);
if
(
c
==
client
)
{
client
->
flags
|=
REDIS_CLOSE_AFTER_REPLY
;
...
...
src/redis.h
View file @
e4c019e7
...
...
@@ -1073,7 +1073,7 @@ void copyClientOutputBuffer(redisClient *dst, redisClient *src);
void
*
dupClientReplyValue
(
void
*
o
);
void
getClientsMaxBuffers
(
unsigned
long
*
longest_output_list
,
unsigned
long
*
biggest_input_buffer
);
void
getClientPeerId
(
redisClient
*
client
,
char
*
peerid
,
size_t
peerid_len
);
int
getClientPeerId
(
redisClient
*
client
,
char
*
peerid
,
size_t
peerid_len
);
sds
getClientInfoString
(
redisClient
*
client
);
sds
getAllClientsInfoString
(
void
);
void
rewriteClientCommandVector
(
redisClient
*
c
,
int
argc
,
...);
...
...
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