X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/b4f2e412d087bae0a523fe6ea40fcad30fe74b5b..b46251d92970468f5e55e06db1f580acf1fab1c4:/src/config.c

diff --git a/src/config.c b/src/config.c
index 1bd678c7..e0bf1574 100644
--- a/src/config.c
+++ b/src/config.c
@@ -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 */
@@ -66,11 +66,13 @@ void loadServerConfig(char *filename) {
             }
         } else if (!strcasecmp(argv[0],"port") && argc == 2) {
             server.port = atoi(argv[1]);
-            if (server.port < 1 || server.port > 65535) {
+            if (server.port < 0 || server.port > 65535) {
                 err = "Invalid port"; goto loaderr;
             }
         } else if (!strcasecmp(argv[0],"bind") && argc == 2) {
             server.bindaddr = zstrdup(argv[1]);
+        } else if (!strcasecmp(argv[0],"unixsocket") && argc == 2) {
+            server.unixsocket = zstrdup(argv[1]);
         } else if (!strcasecmp(argv[0],"save") && argc == 3) {
             int seconds = atoi(argv[1]);
             int changes = atoi(argv[2]);
@@ -112,6 +114,42 @@ void loadServerConfig(char *filename) {
                 }
                 fclose(logfp);
             }
+        } else if (!strcasecmp(argv[0],"syslog-enabled") && argc == 2) {
+            if ((server.syslog_enabled = yesnotoi(argv[1])) == -1) {
+                err = "argument must be 'yes' or 'no'"; goto loaderr;
+            }
+        } else if (!strcasecmp(argv[0],"syslog-ident") && argc == 2) {
+            if (server.syslog_ident) zfree(server.syslog_ident);
+            server.syslog_ident = zstrdup(argv[1]);
+        } else if (!strcasecmp(argv[0],"syslog-facility") && argc == 2) {
+            struct {
+                const char     *name;
+                const int       value;
+            } validSyslogFacilities[] = {
+                {"user",    LOG_USER},
+                {"local0",  LOG_LOCAL0},
+                {"local1",  LOG_LOCAL1},
+                {"local2",  LOG_LOCAL2},
+                {"local3",  LOG_LOCAL3},
+                {"local4",  LOG_LOCAL4},
+                {"local5",  LOG_LOCAL5},
+                {"local6",  LOG_LOCAL6},
+                {"local7",  LOG_LOCAL7},
+                {NULL, 0}
+            };
+            int i;
+
+            for (i = 0; validSyslogFacilities[i].name; i++) {
+                if (!strcasecmp(validSyslogFacilities[i].name, argv[1])) {
+                    server.syslog_facility = validSyslogFacilities[i].value;
+                    break;
+                }
+            }
+
+            if (!validSyslogFacilities[i].name) {
+                err = "Invalid log facility. Must be one of USER or between LOCAL0-LOCAL7";
+                goto loaderr;
+            }
         } else if (!strcasecmp(argv[0],"databases") && argc == 2) {
             server.dbnum = atoi(argv[1]);
             if (server.dbnum < 1) {
@@ -123,16 +161,41 @@ 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 if (!strcasecmp(argv[1],"noeviction")) {
+                server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION;
+            } 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]);
             server.replstate = REDIS_REPL_CONNECT;
         } else if (!strcasecmp(argv[0],"masterauth") && argc == 2) {
         	server.masterauth = zstrdup(argv[1]);
-        } else if (!strcasecmp(argv[0],"glueoutputbuf") && argc == 2) {
-            if ((server.glueoutputbuf = yesnotoi(argv[1])) == -1) {
+        } else if (!strcasecmp(argv[0],"slave-serve-stale-data") && argc == 2) {
+            if ((server.repl_serve_stale_data = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;
             }
+        } else if (!strcasecmp(argv[0],"glueoutputbuf")) {
+            redisLog(REDIS_WARNING, "Deprecated configuration directive: \"%s\"", argv[0]);
         } else if (!strcasecmp(argv[0],"rdbcompression") && argc == 2) {
             if ((server.rdbcompression = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;
@@ -176,31 +239,52 @@ void loadServerConfig(char *filename) {
         } else if (!strcasecmp(argv[0],"dbfilename") && argc == 2) {
             zfree(server.dbfilename);
             server.dbfilename = zstrdup(argv[1]);
-        } else if (!strcasecmp(argv[0],"vm-enabled") && argc == 2) {
-            if ((server.vm_enabled = yesnotoi(argv[1])) == -1) {
+        } else if (!strcasecmp(argv[0],"diskstore-enabled") && argc == 2) {
+            if ((server.ds_enabled = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;
             }
-        } else if (!strcasecmp(argv[0],"vm-swap-file") && argc == 2) {
-            zfree(server.vm_swap_file);
-            server.vm_swap_file = zstrdup(argv[1]);
-        } else if (!strcasecmp(argv[0],"vm-max-memory") && argc == 2) {
-            server.vm_max_memory = memtoll(argv[1],NULL);
-        } else if (!strcasecmp(argv[0],"vm-page-size") && argc == 2) {
-            server.vm_page_size = memtoll(argv[1], NULL);
-        } else if (!strcasecmp(argv[0],"vm-pages") && argc == 2) {
-            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],"diskstore-path") && argc == 2) {
+            sdsfree(server.ds_path);
+            server.ds_path = sdsnew(argv[1]);
+        } else if (!strcasecmp(argv[0],"cache-max-memory") && argc == 2) {
+            server.cache_max_memory = memtoll(argv[1],NULL);
+        } else if (!strcasecmp(argv[0],"cache-flush-delay") && argc == 2) {
+            server.cache_flush_delay = atoi(argv[1]);
+            if (server.cache_flush_delay < 0) server.cache_flush_delay = 0;
+        } 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;
         }
@@ -225,8 +309,11 @@ 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);
@@ -242,6 +329,26 @@ 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 if (!strcasecmp(o->ptr,"noeviction")) {
+            server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION;
+        } 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;
@@ -273,7 +380,6 @@ void configSetCommand(redisClient *c) {
                 if (startAppendOnly() == REDIS_ERR) {
                     addReplyError(c,
                         "Unable to turn on AOF. Check server logs.");
-                    decrRefCount(o);
                     return;
                 }
             }
@@ -312,13 +418,36 @@ void configSetCommand(redisClient *c) {
             appendServerSaveParams(seconds, changes);
         }
         sdsfreesplitres(v,vlen);
+    } else if (!strcasecmp(c->argv[2]->ptr,"slave-serve-stale-data")) {
+        int yn = yesnotoi(o->ptr);
+
+        if (yn == -1) goto badfmt;
+        server.repl_serve_stale_data = yn;
+    } else if (!strcasecmp(c->argv[2]->ptr,"dir")) {
+        if (chdir((char*)o->ptr) == -1) {
+            addReplyErrorFormat(c,"Changing directory: %s", strerror(errno));
+            return;
+        }
+    } else if (!strcasecmp(c->argv[2]->ptr,"hash-max-zipmap-entries")) {
+        if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
+        server.hash_max_zipmap_entries = ll;
+    } else if (!strcasecmp(c->argv[2]->ptr,"hash-max-zipmap-value")) {
+        if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
+        server.hash_max_zipmap_value = ll;
+    } else if (!strcasecmp(c->argv[2]->ptr,"list-max-ziplist-entries")) {
+        if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
+        server.list_max_ziplist_entries = ll;
+    } else if (!strcasecmp(c->argv[2]->ptr,"list-max-ziplist-value")) {
+        if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
+        server.list_max_ziplist_value = ll;
+    } else if (!strcasecmp(c->argv[2]->ptr,"set-max-intset-entries")) {
+        if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
+        server.set_max_intset_entries = ll;
     } else {
         addReplyErrorFormat(c,"Unsupported CONFIG parameter: %s",
             (char*)c->argv[2]->ptr);
-        decrRefCount(o);
         return;
     }
-    decrRefCount(o);
     addReply(c,shared.ok);
     return;
 
@@ -326,15 +455,27 @@ 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,"dir",0)) {
+        char buf[1024];
 
+        addReplyBulkCString(c,"dir");
+        if (getcwd(buf,sizeof(buf)) == NULL) {
+            buf[0] = '\0';
+        } else {
+            addReplyBulkCString(c,buf);
+        }
+        matches++;
+    }
     if (stringmatch(pattern,"dbfilename",0)) {
         addReplyBulkCString(c,"dbfilename");
         addReplyBulkCString(c,server.dbfilename);
@@ -351,17 +492,35 @@ 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;
+        case REDIS_MAXMEMORY_NO_EVICTION: s = "noeviction"; 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++;
@@ -405,7 +564,36 @@ void configGetCommand(redisClient *c) {
         sdsfree(buf);
         matches++;
     }
-    decrRefCount(o);
+    if (stringmatch(pattern,"slave-serve-stale-data",0)) {
+        addReplyBulkCString(c,"slave-serve-stale-data");
+        addReplyBulkCString(c,server.repl_serve_stale_data ? "yes" : "no");
+        matches++;
+    }
+    if (stringmatch(pattern,"hash-max-zipmap-entries",0)) {
+        addReplyBulkCString(c,"hash-max-zipmap-entries");
+        addReplyBulkLongLong(c,server.hash_max_zipmap_entries);
+        matches++;
+    }
+    if (stringmatch(pattern,"hash-max-zipmap-value",0)) {
+        addReplyBulkCString(c,"hash-max-zipmap-value");
+        addReplyBulkLongLong(c,server.hash_max_zipmap_value);
+        matches++;
+    }
+    if (stringmatch(pattern,"list-max-ziplist-entries",0)) {
+        addReplyBulkCString(c,"list-max-ziplist-entries");
+        addReplyBulkLongLong(c,server.list_max_ziplist_entries);
+        matches++;
+    }
+    if (stringmatch(pattern,"list-max-ziplist-value",0)) {
+        addReplyBulkCString(c,"list-max-ziplist-value");
+        addReplyBulkLongLong(c,server.list_max_ziplist_value);
+        matches++;
+    }
+    if (stringmatch(pattern,"set-max-intset-entries",0)) {
+        addReplyBulkCString(c,"set-max-intset-entries");
+        addReplyBulkLongLong(c,server.set_max_intset_entries);
+        matches++;
+    }
     setDeferredMultiBulkLength(c,replylen,matches*2);
 }
 
@@ -418,10 +606,12 @@ 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);
+        resetCommandTableStats();
         addReply(c,shared.ok);
     } else {
         addReplyError(c,