if /dev/urandom is not available use rand() to get a random node name

[redis.git] / src / redis.c

diff --git a/src/redis.c b/src/redis.c
index 3d0f53788640ce7f1c5d52e2b3d3faadefadf52c..96786df95667b1d40a5083158ccd6a03dfd18cb9 100644 (file)
--- a/src/redis.c
+++ b/src/redis.c
@@ -85,8 +85,8 @@ struct redisCommand redisCommandTable[] = {
     {"incr",incrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
     {"decr",decrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
     {"mget",mgetCommand,-2,0,NULL,1,-1,1,0,0},
-    {"rpush",rpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
-    {"lpush",lpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+    {"rpush",rpushCommand,-3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+    {"lpush",lpushCommand,-3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
     {"rpushx",rpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
     {"lpushx",lpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
     {"linsert",linsertCommand,5,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
@@ -102,8 +102,8 @@ struct redisCommand redisCommandTable[] = {
     {"ltrim",ltrimCommand,4,0,NULL,1,1,1,0,0},
     {"lrem",lremCommand,4,0,NULL,1,1,1,0,0},
     {"rpoplpush",rpoplpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,2,1,0,0},
-    {"sadd",saddCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
-    {"srem",sremCommand,3,0,NULL,1,1,1,0,0},
+    {"sadd",saddCommand,-3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+    {"srem",sremCommand,-3,0,NULL,1,1,1,0,0},
     {"smove",smoveCommand,4,0,NULL,1,2,1,0,0},
     {"sismember",sismemberCommand,3,0,NULL,1,1,1,0,0},
     {"scard",scardCommand,2,0,NULL,1,1,1,0,0},
@@ -138,7 +138,7 @@ struct redisCommand redisCommandTable[] = {
     {"hmset",hmsetCommand,-4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
     {"hmget",hmgetCommand,-3,0,NULL,1,1,1,0,0},
     {"hincrby",hincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
-    {"hdel",hdelCommand,3,0,NULL,1,1,1,0,0},
+    {"hdel",hdelCommand,-3,0,NULL,1,1,1,0,0},
     {"hlen",hlenCommand,2,0,NULL,1,1,1,0,0},
     {"hkeys",hkeysCommand,2,0,NULL,1,1,1,0,0},
     {"hvals",hvalsCommand,2,0,NULL,1,1,1,0,0},
@@ -192,7 +192,8 @@ struct redisCommand redisCommandTable[] = {
     {"restore",restoreCommand,4,0,NULL,0,0,0,0,0},
     {"migrate",migrateCommand,6,0,NULL,0,0,0,0,0},
     {"dump",dumpCommand,2,0,NULL,0,0,0,0,0},
-    {"object",objectCommand,-2,0,NULL,0,0,0,0,0}
+    {"object",objectCommand,-2,0,NULL,0,0,0,0,0},
+    {"client",clientCommand,-2,0,NULL,0,0,0,0,0}
 };
 
 /*============================ Utility functions ============================ */
@@ -205,14 +206,20 @@ void redisLogRaw(int level, const char *msg) {
     time_t now = time(NULL);
     FILE *fp;
     char buf[64];
+    int rawmode = (level & REDIS_LOG_RAW);
 
+    level &= 0xff; /* clear flags */
     if (level < server.verbosity) return;
 
     fp = (server.logfile == NULL) ? stdout : fopen(server.logfile,"a");
     if (!fp) return;
 
-    strftime(buf,sizeof(buf),"%d %b %H:%M:%S",localtime(&now));
-    fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg);
+    if (rawmode) {
+        fprintf(fp,"%s",msg);
+    } else {
+        strftime(buf,sizeof(buf),"%d %b %H:%M:%S",localtime(&now));
+        fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg);
+    }
     fflush(fp);
 
     if (server.logfile) fclose(fp);
@@ -227,7 +234,7 @@ void redisLog(int level, const char *fmt, ...) {
     va_list ap;
     char msg[REDIS_MAX_LOGMSG_LEN];
 
-    if (level < server.verbosity) return;
+    if ((level&0xff) < server.verbosity) return;
 
     va_start(ap, fmt);
     vsnprintf(msg, sizeof(msg), fmt, ap);
@@ -579,6 +586,10 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) {
      */
     updateLRUClock();
 
+    /* Record the max memory used since the server was started. */
+    if (zmalloc_used_memory() > server.stat_peak_memory)
+        server.stat_peak_memory = zmalloc_used_memory();
+
     /* We received a SIGTERM, shutting down here in a safe way, as it is
      * not ok doing so inside the signal handler. */
     if (server.shutdown_asap) {
@@ -951,6 +962,7 @@ void initServer() {
     server.stat_starttime = time(NULL);
     server.stat_keyspace_misses = 0;
     server.stat_keyspace_hits = 0;
+    server.stat_peak_memory = 0;
     server.unixtime = time(NULL);
     aeCreateTimeEvent(server.el, 1, serverCron, NULL, NULL);
     if (server.ipfd > 0 && aeCreateFileEvent(server.el,server.ipfd,AE_READABLE,
@@ -1234,7 +1246,6 @@ sds genRedisInfoString(char *section) {
     sds info = sdsempty();
     time_t uptime = time(NULL)-server.stat_starttime;
     int j, numcommands;
-    char hmem[64];
     struct rusage self_ru, c_ru;
     unsigned long lol, bib;
     int allsections = 0, defsections = 0;
@@ -1248,7 +1259,6 @@ sds genRedisInfoString(char *section) {
     getrusage(RUSAGE_SELF, &self_ru);
     getrusage(RUSAGE_CHILDREN, &c_ru);
     getClientsMaxBuffers(&lol,&bib);
-    bytesToHuman(hmem,zmalloc_used_memory());
 
     /* Server */
     if (allsections || defsections || !strcasecmp(section,"server")) {
@@ -1293,17 +1303,26 @@ sds genRedisInfoString(char *section) {
 
     /* Memory */
     if (allsections || defsections || !strcasecmp(section,"memory")) {
+        char hmem[64];
+        char peak_hmem[64];
+
+        bytesToHuman(hmem,zmalloc_used_memory());
+        bytesToHuman(peak_hmem,server.stat_peak_memory);
         if (sections++) info = sdscat(info,"\r\n");
         info = sdscatprintf(info,
             "# Memory\r\n"
             "used_memory:%zu\r\n"
             "used_memory_human:%s\r\n"
             "used_memory_rss:%zu\r\n"
+            "used_memory_peak:%zu\r\n"
+            "used_memory_peak_human:%s\r\n"
             "mem_fragmentation_ratio:%.2f\r\n"
             "use_tcmalloc:%d\r\n",
             zmalloc_used_memory(),
             hmem,
             zmalloc_get_rss(),
+            server.stat_peak_memory,
+            peak_hmem,
             zmalloc_get_fragmentation_ratio(),
     #ifdef USE_TCMALLOC
             1
@@ -1500,6 +1519,15 @@ sds genRedisInfoString(char *section) {
         }
     }
 
+    /* Clusetr */
+    if (allsections || defsections || !strcasecmp(section,"cluster")) {
+        if (sections++) info = sdscat(info,"\r\n");
+        info = sdscatprintf(info,
+        "# Cluster\r\n"
+        "cluster_enabled:%d\r\n",
+        server.cluster_enabled);
+    }
+
     /* Key space */
     if (allsections || defsections || !strcasecmp(section,"keyspace")) {
         if (sections++) info = sdscat(info,"\r\n");
@@ -1708,6 +1736,23 @@ void usage() {
     exit(1);
 }
 
+void redisAsciiArt(void) {
+#include "asciilogo.h"
+    char *buf = zmalloc(1024*16);
+
+    snprintf(buf,1024*16,ascii_logo,
+        REDIS_VERSION,
+        redisGitSHA1(),
+        strtol(redisGitDirty(),NULL,10) > 0,
+        (sizeof(long) == 8) ? "64" : "32",
+        server.cluster_enabled ? "cluster" : "stand alone",
+        server.port,
+        (long) getpid()
+    );
+    redisLogRaw(REDIS_NOTICE|REDIS_LOG_RAW,buf);
+    zfree(buf);
+}
+
 int main(int argc, char **argv) {
     long long start;
 
@@ -1726,6 +1771,7 @@ int main(int argc, char **argv) {
     if (server.daemonize) daemonize();
     initServer();
     if (server.daemonize) createPidFile();
+    redisAsciiArt();
     redisLog(REDIS_NOTICE,"Server started, Redis version " REDIS_VERSION);
 #ifdef __linux__
     linuxOvercommitMemoryWarning();