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First implementation of Redis Sentinel.

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This commit implements the first, beta quality implementation of Redis
Sentinel, a distributed monitoring system for Redis with notification
and automatic failover capabilities.

More info at http://redis.io/topics/sentinel
This commit is contained in:
antirez
2012-07-23 12:54:52 +02:00
parent 03f412ddef
commit 6b5daa2df2
8 changed files with 2614 additions and 44 deletions
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18
src/redis.h
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@ -257,6 +257,11 @@
#define REDIS_PROPAGATE_AOF 1
#define REDIS_PROPAGATE_REPL 2
/* Using the following macro you can run code inside serverCron() with the
* specified period, specified in milliseconds.
* The actual resolution depends on REDIS_HZ. */
#define run_with_period(_ms_) if (!(server.cronloops%((_ms_)/(1000/REDIS_HZ))))
/* We can print the stacktrace, so our assert is defined this way: */
#define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
@ -579,6 +584,7 @@ struct redisServer {
int arch_bits; /* 32 or 64 depending on sizeof(long) */
int cronloops; /* Number of times the cron function run */
char runid[REDIS_RUN_ID_SIZE+1]; /* ID always different at every exec. */
int sentinel_mode; /* True if this instance is a Sentinel. */
/* Networking */
int port; /* TCP listening port */
char *bindaddr; /* Bind address or NULL */
@ -1115,6 +1121,12 @@ void clusterCron(void);
clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot, int *ask);
void clusterPropagatePublish(robj *channel, robj *message);
/* Sentinel */
void initSentinelConfig(void);
void initSentinel(void);
void sentinelTimer(void);
char *sentinelHandleConfiguration(char **argv, int argc);
/* Scripting */
void scriptingInit(void);
@ -1280,4 +1292,10 @@ void enableWatchdog(int period);
void disableWatchdog(void);
void watchdogScheduleSignal(int period);
void redisLogHexDump(int level, char *descr, void *value, size_t len);
#define redisDebug(fmt, ...) \
printf("DEBUG %s:%d > " fmt "\n", __FILE__, __LINE__, __VA_ARGS__)
#define redisDebugMark() \
printf("-- MARK %s:%d --\n", __FILE__, __LINE__)
#endif