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ruanhaishen
redis
Commits
8810167d
Commit
8810167d
authored
Nov 21, 2013
by
antirez
Browse files
Sentinel: Hello message sending code refactored.
parent
0101c2bc
Changes
1
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Inline
Side-by-side
src/sentinel.c
View file @
8810167d
...
@@ -2049,6 +2049,46 @@ void sentinelReceiveHelloMessages(redisAsyncContext *c, void *reply, void *privd
...
@@ -2049,6 +2049,46 @@ void sentinelReceiveHelloMessages(redisAsyncContext *c, void *reply, void *privd
}
}
}
}
/* Send an "Hello" message via Pub/Sub to the specified 'ri' Redis
* instance in order to broadcast the current configuraiton for this
* master, and to advertise the existence of this Sentinel at the same time.
*
* The message has the following format:
*
* sentinel_ip,sentinel_port,sentinel_runid,current_epoch,
* master_name,master_ip,master_port,master_config_epoch.
*
* Returns REDIS_OK if the PUBLISH was queued correctly, otherwise
* REDIS_ERR is returned. */
int
sentinelSendHello
(
sentinelRedisInstance
*
ri
)
{
char
ip
[
REDIS_IP_STR_LEN
];
char
payload
[
REDIS_IP_STR_LEN
+
1024
];
int
retval
;
sentinelRedisInstance
*
master
=
(
ri
->
flags
&
SRI_MASTER
)
?
ri
:
ri
->
master
;
sentinelAddr
*
master_addr
=
sentinelGetCurrentMasterAddress
(
master
);
/* Try to obtain our own IP address. */
if
(
anetSockName
(
ri
->
cc
->
c
.
fd
,
ip
,
sizeof
(
ip
),
NULL
)
==
-
1
)
return
REDIS_ERR
;
/* Format and send the Hello message. */
snprintf
(
payload
,
sizeof
(
payload
),
"%s,%d,%s,%llu,"
/* Info about this sentinel. */
"%s,%s,%d,%lld"
,
/* Info about current master. */
ip
,
server
.
port
,
server
.
runid
,
(
unsigned
long
long
)
sentinel
.
current_epoch
,
/* --- */
master
->
name
,
master_addr
->
ip
,
master_addr
->
port
,
master
->
config_epoch
);
retval
=
redisAsyncCommand
(
ri
->
cc
,
sentinelPublishReplyCallback
,
NULL
,
"PUBLISH %s %s"
,
SENTINEL_HELLO_CHANNEL
,
payload
);
if
(
retval
!=
REDIS_OK
)
return
REDIS_ERR
;
ri
->
pending_commands
++
;
return
REDIS_OK
;
}
/* Send periodic PING, INFO, and PUBLISH to the Hello channel to
* the specified master or slave instance. */
void
sentinelPingInstance
(
sentinelRedisInstance
*
ri
)
{
void
sentinelPingInstance
(
sentinelRedisInstance
*
ri
)
{
mstime_t
now
=
mstime
();
mstime_t
now
=
mstime
();
mstime_t
info_period
;
mstime_t
info_period
;
...
@@ -2096,27 +2136,7 @@ void sentinelPingInstance(sentinelRedisInstance *ri) {
...
@@ -2096,27 +2136,7 @@ void sentinelPingInstance(sentinelRedisInstance *ri) {
(
now
-
ri
->
last_pub_time
)
>
SENTINEL_PUBLISH_PERIOD
)
(
now
-
ri
->
last_pub_time
)
>
SENTINEL_PUBLISH_PERIOD
)
{
{
/* PUBLISH hello messages to masters and slaves. */
/* PUBLISH hello messages to masters and slaves. */
char
ip
[
REDIS_IP_STR_LEN
];
sentinelSendHello
(
ri
);
if
(
anetSockName
(
ri
->
cc
->
c
.
fd
,
ip
,
sizeof
(
ip
),
NULL
)
!=
-
1
)
{
char
payload
[
REDIS_IP_STR_LEN
+
1024
];
sentinelRedisInstance
*
master
=
(
ri
->
flags
&
SRI_MASTER
)
?
ri
:
ri
->
master
;
sentinelAddr
*
master_addr
=
sentinelGetCurrentMasterAddress
(
master
);
snprintf
(
payload
,
sizeof
(
payload
),
"%s,%d,%s,%llu,"
/* Info about this sentinel. */
"%s,%s,%d,%lld"
,
/* Info about current master. */
ip
,
server
.
port
,
server
.
runid
,
(
unsigned
long
long
)
sentinel
.
current_epoch
,
/* --- */
master
->
name
,
master_addr
->
ip
,
master_addr
->
port
,
master
->
config_epoch
);
retval
=
redisAsyncCommand
(
ri
->
cc
,
sentinelPublishReplyCallback
,
NULL
,
"PUBLISH %s %s"
,
SENTINEL_HELLO_CHANNEL
,
payload
);
if
(
retval
!=
REDIS_OK
)
return
;
ri
->
pending_commands
++
;
}
}
}
}
}
...
...
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