]> git.saurik.com Git - redis.git/blobdiff - src/config.c
added support for command renaming/suppression in redis.conf
[redis.git] / src / config.c
index 4257fc36a30463b4e2160232078238f28e19ffe8..2b5063c8fa7919ba2c629588d9ce05f785c540d7 100644 (file)
@@ -55,7 +55,7 @@ void loadServerConfig(char *filename) {
         }
 
         /* Split into arguments */
-        argv = sdssplitlen(line,sdslen(line)," ",1,&argc);
+        argv = sdssplitargs(line,&argc);
         sdstolower(argv[0]);
 
         /* Execute config directives */
@@ -125,6 +125,27 @@ void loadServerConfig(char *filename) {
             server.maxclients = atoi(argv[1]);
         } else if (!strcasecmp(argv[0],"maxmemory") && argc == 2) {
             server.maxmemory = memtoll(argv[1],NULL);
+        } else if (!strcasecmp(argv[0],"maxmemory-policy") && argc == 2) {
+            if (!strcasecmp(argv[1],"volatile-lru")) {
+                server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
+            } else if (!strcasecmp(argv[1],"volatile-random")) {
+                server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_RANDOM;
+            } else if (!strcasecmp(argv[1],"volatile-ttl")) {
+                server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_TTL;
+            } else if (!strcasecmp(argv[1],"allkeys-lru")) {
+                server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_LRU;
+            } else if (!strcasecmp(argv[1],"allkeys-random")) {
+                server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_RANDOM;
+            } else {
+                err = "Invalid maxmemory policy";
+                goto loaderr;
+            }
+        } else if (!strcasecmp(argv[0],"maxmemory-samples") && argc == 2) {
+            server.maxmemory_samples = atoi(argv[1]);
+            if (server.maxmemory_samples <= 0) {
+                err = "maxmemory-samples must be 1 or greater";
+                goto loaderr;
+            }
         } else if (!strcasecmp(argv[0],"slaveof") && argc == 3) {
             server.masterhost = sdsnew(argv[1]);
             server.masterport = atoi(argv[2]);
@@ -193,16 +214,40 @@ void loadServerConfig(char *filename) {
             server.vm_pages = memtoll(argv[1], NULL);
         } else if (!strcasecmp(argv[0],"vm-max-threads") && argc == 2) {
             server.vm_max_threads = strtoll(argv[1], NULL, 10);
-        } else if (!strcasecmp(argv[0],"hash-max-zipmap-entries") && argc == 2){
+        } else if (!strcasecmp(argv[0],"hash-max-zipmap-entries") && argc == 2) {
             server.hash_max_zipmap_entries = memtoll(argv[1], NULL);
-        } else if (!strcasecmp(argv[0],"hash-max-zipmap-value") && argc == 2){
+        } else if (!strcasecmp(argv[0],"hash-max-zipmap-value") && argc == 2) {
             server.hash_max_zipmap_value = memtoll(argv[1], NULL);
         } else if (!strcasecmp(argv[0],"list-max-ziplist-entries") && argc == 2){
             server.list_max_ziplist_entries = memtoll(argv[1], NULL);
-        } else if (!strcasecmp(argv[0],"list-max-ziplist-value") && argc == 2){
+        } else if (!strcasecmp(argv[0],"list-max-ziplist-value") && argc == 2) {
             server.list_max_ziplist_value = memtoll(argv[1], NULL);
-        } else if (!strcasecmp(argv[0],"set-max-intset-entries") && argc == 2){
+        } else if (!strcasecmp(argv[0],"set-max-intset-entries") && argc == 2) {
             server.set_max_intset_entries = memtoll(argv[1], NULL);
+        } else if (!strcasecmp(argv[0],"rename-command") && argc == 3) {
+            struct redisCommand *cmd = lookupCommand(argv[1]);
+            int retval;
+
+            if (!cmd) {
+                err = "No such command in rename-command";
+                goto loaderr;
+            }
+
+            /* If the target command name is the emtpy string we just
+             * remove it from the command table. */
+            retval = dictDelete(server.commands, argv[1]);
+            redisAssert(retval == DICT_OK);
+
+            /* Otherwise we re-add the command under a different name. */
+            if (sdslen(argv[2]) != 0) {
+                sds copy = sdsdup(argv[2]);
+
+                retval = dictAdd(server.commands, copy, cmd);
+                if (retval != DICT_OK) {
+                    sdsfree(copy);
+                    err = "Target command name already exists"; goto loaderr;
+                }
+            }
         } else {
             err = "Bad directive or wrong number of arguments"; goto loaderr;
         }
@@ -227,8 +272,11 @@ loaderr:
  *----------------------------------------------------------------------------*/
 
 void configSetCommand(redisClient *c) {
-    robj *o = getDecodedObject(c->argv[3]);
+    robj *o;
     long long ll;
+    redisAssert(c->argv[2]->encoding == REDIS_ENCODING_RAW);
+    redisAssert(c->argv[3]->encoding == REDIS_ENCODING_RAW);
+    o = c->argv[3];
 
     if (!strcasecmp(c->argv[2]->ptr,"dbfilename")) {
         zfree(server.dbfilename);
@@ -244,6 +292,24 @@ void configSetCommand(redisClient *c) {
             ll < 0) goto badfmt;
         server.maxmemory = ll;
         if (server.maxmemory) freeMemoryIfNeeded();
+    } else if (!strcasecmp(c->argv[2]->ptr,"maxmemory-policy")) {
+        if (!strcasecmp(o->ptr,"volatile-lru")) {
+            server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
+        } else if (!strcasecmp(o->ptr,"volatile-random")) {
+            server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_RANDOM;
+        } else if (!strcasecmp(o->ptr,"volatile-ttl")) {
+            server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_TTL;
+        } else if (!strcasecmp(o->ptr,"allkeys-lru")) {
+            server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_LRU;
+        } else if (!strcasecmp(o->ptr,"allkeys-random")) {
+            server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_RANDOM;
+        } else {
+            goto badfmt;
+        }
+    } else if (!strcasecmp(c->argv[2]->ptr,"maxmemory-samples")) {
+        if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
+            ll <= 0) goto badfmt;
+        server.maxmemory_samples = ll;
     } else if (!strcasecmp(c->argv[2]->ptr,"timeout")) {
         if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
             ll < 0 || ll > LONG_MAX) goto badfmt;
@@ -275,7 +341,6 @@ void configSetCommand(redisClient *c) {
                 if (startAppendOnly() == REDIS_ERR) {
                     addReplyError(c,
                         "Unable to turn on AOF. Check server logs.");
-                    decrRefCount(o);
                     return;
                 }
             }
@@ -317,10 +382,8 @@ void configSetCommand(redisClient *c) {
     } else {
         addReplyErrorFormat(c,"Unsupported CONFIG parameter: %s",
             (char*)c->argv[2]->ptr);
-        decrRefCount(o);
         return;
     }
-    decrRefCount(o);
     addReply(c,shared.ok);
     return;
 
@@ -328,14 +391,15 @@ badfmt: /* Bad format errors */
     addReplyErrorFormat(c,"Invalid argument '%s' for CONFIG SET '%s'",
             (char*)o->ptr,
             (char*)c->argv[2]->ptr);
-    decrRefCount(o);
 }
 
 void configGetCommand(redisClient *c) {
-    robj *o = getDecodedObject(c->argv[2]);
+    robj *o = c->argv[2];
     void *replylen = addDeferredMultiBulkLength(c);
     char *pattern = o->ptr;
+    char buf[128];
     int matches = 0;
+    redisAssert(o->encoding == REDIS_ENCODING_RAW);
 
     if (stringmatch(pattern,"dbfilename",0)) {
         addReplyBulkCString(c,"dbfilename");
@@ -353,17 +417,34 @@ void configGetCommand(redisClient *c) {
         matches++;
     }
     if (stringmatch(pattern,"maxmemory",0)) {
-        char buf[128];
-
-        ll2string(buf,128,server.maxmemory);
+        ll2string(buf,sizeof(buf),server.maxmemory);
         addReplyBulkCString(c,"maxmemory");
         addReplyBulkCString(c,buf);
         matches++;
     }
-    if (stringmatch(pattern,"timeout",0)) {
-        char buf[128];
+    if (stringmatch(pattern,"maxmemory-policy",0)) {
+        char *s;
 
-        ll2string(buf,128,server.maxidletime);
+        switch(server.maxmemory_policy) {
+        case REDIS_MAXMEMORY_VOLATILE_LRU: s = "volatile-lru"; break;
+        case REDIS_MAXMEMORY_VOLATILE_TTL: s = "volatile-ttl"; break;
+        case REDIS_MAXMEMORY_VOLATILE_RANDOM: s = "volatile-random"; break;
+        case REDIS_MAXMEMORY_ALLKEYS_LRU: s = "allkeys-lru"; break;
+        case REDIS_MAXMEMORY_ALLKEYS_RANDOM: s = "allkeys-random"; break;
+        default: s = "unknown"; break; /* too harmless to panic */
+        }
+        addReplyBulkCString(c,"maxmemory-policy");
+        addReplyBulkCString(c,s);
+        matches++;
+    }
+    if (stringmatch(pattern,"maxmemory-samples",0)) {
+        ll2string(buf,sizeof(buf),server.maxmemory_samples);
+        addReplyBulkCString(c,"maxmemory-samples");
+        addReplyBulkCString(c,buf);
+        matches++;
+    }
+    if (stringmatch(pattern,"timeout",0)) {
+        ll2string(buf,sizeof(buf),server.maxidletime);
         addReplyBulkCString(c,"timeout");
         addReplyBulkCString(c,buf);
         matches++;
@@ -407,7 +488,6 @@ void configGetCommand(redisClient *c) {
         sdsfree(buf);
         matches++;
     }
-    decrRefCount(o);
     setDeferredMultiBulkLength(c,replylen,matches*2);
 }
 
@@ -420,10 +500,11 @@ void configCommand(redisClient *c) {
         configGetCommand(c);
     } else if (!strcasecmp(c->argv[1]->ptr,"resetstat")) {
         if (c->argc != 2) goto badarity;
+        server.stat_keyspace_hits = 0;
+        server.stat_keyspace_misses = 0;
         server.stat_numcommands = 0;
         server.stat_numconnections = 0;
         server.stat_expiredkeys = 0;
-        server.stat_starttime = time(NULL);
         addReply(c,shared.ok);
     } else {
         addReplyError(c,