X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/dd94771578ca196db564ab3f51ae6ce6b185531c..af41f6cffbd8a3787d65dc9034275af90e45c42b:/src/redis.c diff --git a/src/redis.c b/src/redis.c index 193d3bf5..432f6196 100644 --- a/src/redis.c +++ b/src/redis.c @@ -797,13 +797,8 @@ void clientsCron(void) { * a macro is used: run_with_period(milliseconds) { .... } */ -/* 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 (!(loops % ((_ms_)/(1000/REDIS_HZ)))) - int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { - int j, loops = server.cronloops; + int j; REDIS_NOTUSED(eventLoop); REDIS_NOTUSED(id); REDIS_NOTUSED(clientData); @@ -872,11 +867,14 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { } /* Show information about connected clients */ - run_with_period(5000) { - redisLog(REDIS_VERBOSE,"%d clients connected (%d slaves), %zu bytes in use", - listLength(server.clients)-listLength(server.slaves), - listLength(server.slaves), - zmalloc_used_memory()); + if (!server.sentinel_mode) { + run_with_period(5000) { + redisLog(REDIS_VERBOSE, + "%d clients connected (%d slaves), %zu bytes in use", + listLength(server.clients)-listLength(server.slaves), + listLength(server.slaves), + zmalloc_used_memory()); + } } /* We need to do a few operations on clients asynchronously. */ @@ -956,6 +954,11 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { * to detect transfer failures. */ run_with_period(1000) replicationCron(); + /* Run the sentinel timer if we are in sentinel mode. */ + run_with_period(100) { + if (server.sentinel_mode) sentinelTimer(); + } + server.cronloops++; return 1000/REDIS_HZ; } @@ -2394,21 +2397,31 @@ void usage() { fprintf(stderr," ./redis-server /etc/redis/6379.conf\n"); fprintf(stderr," ./redis-server --port 7777\n"); fprintf(stderr," ./redis-server --port 7777 --slaveof 127.0.0.1 8888\n"); - fprintf(stderr," ./redis-server /etc/myredis.conf --loglevel verbose\n"); + fprintf(stderr," ./redis-server /etc/myredis.conf --loglevel verbose\n\n"); + fprintf(stderr,"Sentinel mode:\n"); + fprintf(stderr," ./redis-server /etc/sentinel.conf --sentinel\n"); exit(1); } void redisAsciiArt(void) { #include "asciilogo.h" char *buf = zmalloc(1024*16); + char *mode = "stand alone"; + + if (server.cluster_enabled) mode = "cluster"; + else if (server.sentinel_mode) mode = "sentinel"; snprintf(buf,1024*16,ascii_logo, REDIS_VERSION, redisGitSHA1(), strtol(redisGitDirty(),NULL,10) > 0, (sizeof(long) == 8) ? "64" : "32", +<<<<<<< HEAD "stand alone", server.port, +======= + mode, server.port, +>>>>>>> 6b5daa2... First implementation of Redis Sentinel. (long) getpid() ); redisLogRaw(REDIS_NOTICE|REDIS_LOG_RAW,buf); @@ -2446,14 +2459,42 @@ void setupSignalHandlers(void) { void memtest(size_t megabytes, int passes); +<<<<<<< HEAD void redisOutOfMemoryHandler(size_t allocation_size) { redisLog(REDIS_WARNING,"Out Of Memory allocating %zu bytes!", allocation_size); redisPanic("OOM"); +======= +/* Returns 1 if there is --sentinel among the arguments or if + * argv[0] is exactly "redis-sentinel". */ +int checkForSentinelMode(int argc, char **argv) { + int j; + + if (strstr(argv[0],"redis-sentinel") != NULL) return 1; + for (j = 1; j < argc; j++) + if (!strcmp(argv[j],"--sentinel")) return 1; + return 0; +} + +/* Function called at startup to load RDB or AOF file in memory. */ +void loadDataFromDisk(void) { + long long start = ustime(); + if (server.aof_state == REDIS_AOF_ON) { + if (loadAppendOnlyFile(server.aof_filename) == REDIS_OK) + redisLog(REDIS_NOTICE,"DB loaded from append only file: %.3f seconds",(float)(ustime()-start)/1000000); + } else { + if (rdbLoad(server.rdb_filename) == REDIS_OK) { + redisLog(REDIS_NOTICE,"DB loaded from disk: %.3f seconds", + (float)(ustime()-start)/1000000); + } else if (errno != ENOENT) { + redisLog(REDIS_WARNING,"Fatal error loading the DB. Exiting."); + exit(1); + } + } +>>>>>>> 6b5daa2... First implementation of Redis Sentinel. } int main(int argc, char **argv) { - long long start; struct timeval tv; /* We need to initialize our libraries, and the server configuration. */ @@ -2462,8 +2503,17 @@ int main(int argc, char **argv) { srand(time(NULL)^getpid()); gettimeofday(&tv,NULL); dictSetHashFunctionSeed(tv.tv_sec^tv.tv_usec^getpid()); + server.sentinel_mode = checkForSentinelMode(argc,argv); initServerConfig(); + /* We need to init sentinel right now as parsing the configuration file + * in sentinel mode will have the effect of populating the sentinel + * data structures with master nodes to monitor. */ + if (server.sentinel_mode) { + initSentinelConfig(); + initSentinel(); + } + if (argc >= 2) { int j = 1; /* First option to parse in argv[] */ sds options = sdsempty(); @@ -2509,33 +2559,26 @@ int main(int argc, char **argv) { loadServerConfig(configfile,options); sdsfree(options); } else { - redisLog(REDIS_WARNING,"Warning: no config file specified, using the default config. In order to specify a config file use 'redis-server /path/to/redis.conf'"); + redisLog(REDIS_WARNING, "Warning: no config file specified, using the default config. In order to specify a config file use %s /path/to/%s.conf", argv[0], server.sentinel_mode ? "sentinel" : "redis"); } if (server.daemonize) daemonize(); initServer(); if (server.daemonize) createPidFile(); redisAsciiArt(); - redisLog(REDIS_WARNING,"Server started, Redis version " REDIS_VERSION); -#ifdef __linux__ - linuxOvercommitMemoryWarning(); -#endif - start = ustime(); - if (server.aof_state == REDIS_AOF_ON) { - if (loadAppendOnlyFile(server.aof_filename) == REDIS_OK) - redisLog(REDIS_NOTICE,"DB loaded from append only file: %.3f seconds",(float)(ustime()-start)/1000000); - } else { - if (rdbLoad(server.rdb_filename) == REDIS_OK) { - redisLog(REDIS_NOTICE,"DB loaded from disk: %.3f seconds", - (float)(ustime()-start)/1000000); - } else if (errno != ENOENT) { - redisLog(REDIS_WARNING,"Fatal error loading the DB. Exiting."); - exit(1); - } + + if (!server.sentinel_mode) { + /* Things only needed when not runnign in Sentinel mode. */ + redisLog(REDIS_WARNING,"Server started, Redis version " REDIS_VERSION); + #ifdef __linux__ + linuxOvercommitMemoryWarning(); + #endif + loadDataFromDisk(); + if (server.ipfd > 0) + redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port); + if (server.sofd > 0) + redisLog(REDIS_NOTICE,"The server is now ready to accept connections at %s", server.unixsocket); } - if (server.ipfd > 0) - redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port); - if (server.sofd > 0) - redisLog(REDIS_NOTICE,"The server is now ready to accept connections at %s", server.unixsocket); + aeSetBeforeSleepProc(server.el,beforeSleep); aeMain(server.el); aeDeleteEventLoop(server.el);