#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
-#include <inttypes.h>
#include <arpa/inet.h>
#include <sys/stat.h>
#include <fcntl.h>
{"setex",setexCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,0,0,0},
{"append",appendCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
{"substr",substrCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
+ {"strlen",strlenCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
{"del",delCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
{"exists",existsCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
{"incr",incrCommand,2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
{"info",infoCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
{"monitor",monitorCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
{"ttl",ttlCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
+ {"persist",persistCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
{"slaveof",slaveofCommand,3,REDIS_CMD_INLINE,NULL,0,0,0},
{"debug",debugCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
{"config",configCommand,-2,REDIS_CMD_BULK,NULL,0,0,0},
void redisLog(int level, const char *fmt, ...) {
va_list ap;
FILE *fp;
+ char *c = ".-*#";
+ char buf[64];
+ time_t now;
+
+ if (level < server.verbosity) return;
fp = (server.logfile == NULL) ? stdout : fopen(server.logfile,"a");
if (!fp) return;
va_start(ap, fmt);
- if (level >= server.verbosity) {
- char *c = ".-*#";
- char buf[64];
- time_t now;
-
- now = time(NULL);
- strftime(buf,64,"%d %b %H:%M:%S",localtime(&now));
- fprintf(fp,"[%d] %s %c ",(int)getpid(),buf,c[level]);
- vfprintf(fp, fmt, ap);
- fprintf(fp,"\n");
- fflush(fp);
- }
+ now = time(NULL);
+ strftime(buf,64,"%d %b %H:%M:%S",localtime(&now));
+ fprintf(fp,"[%d] %s %c ",(int)getpid(),buf,c[level]);
+ vfprintf(fp, fmt, ap);
+ fprintf(fp,"\n");
+ fflush(fp);
va_end(ap);
if (server.logfile) fclose(fp);
/* ======================= Cron: called every 100 ms ======================== */
+/* Try to expire a few timed out keys. The algorithm used is adaptive and
+ * will use few CPU cycles if there are few expiring keys, otherwise
+ * it will get more aggressive to avoid that too much memory is used by
+ * keys that can be removed from the keyspace. */
+void activeExpireCycle(void) {
+ int j;
+
+ for (j = 0; j < server.dbnum; j++) {
+ int expired;
+ redisDb *db = server.db+j;
+
+ /* Continue to expire if at the end of the cycle more than 25%
+ * of the keys were expired. */
+ do {
+ long num = dictSize(db->expires);
+ time_t now = time(NULL);
+
+ expired = 0;
+ if (num > REDIS_EXPIRELOOKUPS_PER_CRON)
+ num = REDIS_EXPIRELOOKUPS_PER_CRON;
+ while (num--) {
+ dictEntry *de;
+ time_t t;
+
+ if ((de = dictGetRandomKey(db->expires)) == NULL) break;
+ t = (time_t) dictGetEntryVal(de);
+ if (now > t) {
+ sds key = dictGetEntryKey(de);
+ robj *keyobj = createStringObject(key,sdslen(key));
+
+ propagateExpire(db,keyobj);
+ dbDelete(db,keyobj);
+ decrRefCount(keyobj);
+ expired++;
+ server.stat_expiredkeys++;
+ }
+ }
+ } while (expired > REDIS_EXPIRELOOKUPS_PER_CRON/4);
+ }
+}
+
+
int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) {
int j, loops = server.cronloops++;
REDIS_NOTUSED(eventLoop);
}
}
- /* Try to expire a few timed out keys. The algorithm used is adaptive and
- * will use few CPU cycles if there are few expiring keys, otherwise
- * it will get more aggressive to avoid that too much memory is used by
- * keys that can be removed from the keyspace. */
- for (j = 0; j < server.dbnum; j++) {
- int expired;
- redisDb *db = server.db+j;
-
- /* Continue to expire if at the end of the cycle more than 25%
- * of the keys were expired. */
- do {
- long num = dictSize(db->expires);
- time_t now = time(NULL);
-
- expired = 0;
- if (num > REDIS_EXPIRELOOKUPS_PER_CRON)
- num = REDIS_EXPIRELOOKUPS_PER_CRON;
- while (num--) {
- dictEntry *de;
- time_t t;
-
- if ((de = dictGetRandomKey(db->expires)) == NULL) break;
- t = (time_t) dictGetEntryVal(de);
- if (now > t) {
- sds key = dictGetEntryKey(de);
- robj *keyobj = createStringObject(key,sdslen(key));
-
- dbDelete(db,keyobj);
- decrRefCount(keyobj);
- expired++;
- server.stat_expiredkeys++;
- }
- }
- } while (expired > REDIS_EXPIRELOOKUPS_PER_CRON/4);
- }
+ /* Expire a few keys per cycle, only if this is a master.
+ * On slaves we wait for DEL operations synthesized by the master
+ * in order to guarantee a strict consistency. */
+ if (server.masterhost == NULL) activeExpireCycle();
/* Swap a few keys on disk if we are over the memory limit and VM
* is enbled. Try to free objects from the free list first. */
signal(SIGPIPE, SIG_IGN);
setupSigSegvAction();
+ server.mainthread = pthread_self();
server.devnull = fopen("/dev/null","w");
if (server.devnull == NULL) {
redisLog(REDIS_WARNING, "Can't open /dev/null: %s", server.neterr);
void sortCommandTable() {
/* Copy and sort the read-only version of the command table */
- commandTable = (struct redisCommand*)malloc(sizeof(readonlyCommandTable));
+ commandTable = (struct redisCommand*)zmalloc(sizeof(readonlyCommandTable));
memcpy(commandTable,readonlyCommandTable,sizeof(readonlyCommandTable));
qsort(commandTable,
sizeof(readonlyCommandTable)/sizeof(struct redisCommand),
resetClient(c);
return 1;
} else {
- int bulklen = atoi(((char*)c->argv[0]->ptr)+1);
+ char *eptr;
+ long bulklen = strtol(((char*)c->argv[0]->ptr)+1,&eptr,10);
+ int perr = eptr[0] != '\0';
+
decrRefCount(c->argv[0]);
- if (bulklen < 0 || bulklen > 1024*1024*1024) {
+ if (perr || bulklen == LONG_MIN || bulklen == LONG_MAX ||
+ bulklen < 0 || bulklen > 1024*1024*1024)
+ {
c->argc--;
addReplySds(c,sdsnew("-ERR invalid bulk write count\r\n"));
resetClient(c);
return 1;
} else if (cmd->flags & REDIS_CMD_BULK && c->bulklen == -1) {
/* This is a bulk command, we have to read the last argument yet. */
- int bulklen = atoi(c->argv[c->argc-1]->ptr);
+ char *eptr;
+ long bulklen = strtol(c->argv[c->argc-1]->ptr,&eptr,10);
+ int perr = eptr[0] != '\0';
decrRefCount(c->argv[c->argc-1]);
- if (bulklen < 0 || bulklen > 1024*1024*1024) {
+ if (perr || bulklen == LONG_MAX || bulklen == LONG_MIN ||
+ bulklen < 0 || bulklen > 1024*1024*1024)
+ {
c->argc--;
addReplySds(c,sdsnew("-ERR invalid bulk write count\r\n"));
resetClient(c);
#else
return (void*) uc->uc_mcontext->__ss.__eip;
#endif
-#elif defined(__i386__) || defined(__X86_64__) || defined(__x86_64__)
- return (void*) uc->uc_mcontext.gregs[REG_EIP]; /* Linux 32/64 bit */
+#elif defined(__i386__)
+ return (void*) uc->uc_mcontext.gregs[14]; /* Linux 32 */
+#elif defined(__X86_64__) || defined(__x86_64__)
+ return (void*) uc->uc_mcontext.gregs[16]; /* Linux 64 */
#elif defined(__ia64__) /* Linux IA64 */
return (void*) uc->uc_mcontext.sc_ip;
#else
projects / redis.git / blobdiff