syslog support

[redis.git] / src / config.c

diff --git a/src/config.c b/src/config.c
index b11bbd0f557494b051c57bc1ad6d0ae9f48c31be..a45acdb733cd6648565676a887fec57078fa1a1c 100644 (file)
--- a/src/config.c
+++ b/src/config.c
@@ -55,7 +55,7 @@ void loadServerConfig(char *filename) {
         }
 
         /* Split into arguments */
         }
 
         /* Split into arguments */

-        argv = sdssplitlen(line,sdslen(line)," ",1,&argc);
+        argv = sdssplitargs(line,&argc);

         sdstolower(argv[0]);
 
         /* Execute config directives */
         sdstolower(argv[0]);
 
         /* Execute config directives */


@@ -66,15 +66,13 @@ void loadServerConfig(char *filename) {
             }
         } else if (!strcasecmp(argv[0],"port") && argc == 2) {
             server.port = atoi(argv[1]);
             }
         } else if (!strcasecmp(argv[0],"port") && argc == 2) {
             server.port = atoi(argv[1]);

-            if (server.port != -1 &&
-                (server.port < 1 || server.port > 65535))
-            {
+            if (server.port < 1 || server.port > 65535) {

                 err = "Invalid port"; goto loaderr;
             }
         } else if (!strcasecmp(argv[0],"bind") && argc == 2) {
             server.bindaddr = zstrdup(argv[1]);
                 err = "Invalid port"; goto loaderr;
             }
         } else if (!strcasecmp(argv[0],"bind") && argc == 2) {
             server.bindaddr = zstrdup(argv[1]);

-        } else if (!strcasecmp(argv[0],"socket") && argc == 2) {
-            server.sockpath = 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]);
         } else if (!strcasecmp(argv[0],"save") && argc == 3) {
             int seconds = atoi(argv[1]);
             int changes = atoi(argv[2]);


@@ -116,6 +114,46 @@ void loadServerConfig(char *filename) {
                 }
                 fclose(logfp);
             }
                 }
                 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],"syslog-ident") && argc == 2) {
+            
+
+            server.syslog_ident = zstrdup(argv[1]);

         } else if (!strcasecmp(argv[0],"databases") && argc == 2) {
             server.dbnum = atoi(argv[1]);
             if (server.dbnum < 1) {
         } else if (!strcasecmp(argv[0],"databases") && argc == 2) {
             server.dbnum = atoi(argv[1]);
             if (server.dbnum < 1) {


@@ -127,12 +165,39 @@ void loadServerConfig(char *filename) {
             server.maxclients = atoi(argv[1]);
         } else if (!strcasecmp(argv[0],"maxmemory") && argc == 2) {
             server.maxmemory = memtoll(argv[1],NULL);
             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],"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],"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") && argc == 2) {
             if ((server.glueoutputbuf = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;
         } else if (!strcasecmp(argv[0],"glueoutputbuf") && argc == 2) {
             if ((server.glueoutputbuf = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;


@@ -195,14 +260,40 @@ 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);
             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);
             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);
             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);
             server.list_max_ziplist_value = memtoll(argv[1], NULL);

+        } 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;
         }
         } else {
             err = "Bad directive or wrong number of arguments"; goto loaderr;
         }


@@ -227,8 +318,11 @@ loaderr:
  *----------------------------------------------------------------------------*/
 
 void configSetCommand(redisClient *c) {
  *----------------------------------------------------------------------------*/
 
 void configSetCommand(redisClient *c) {

-    robj *o = getDecodedObject(c->argv[3]);
+    robj *o;

     long long ll;
     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);
 
     if (!strcasecmp(c->argv[2]->ptr,"dbfilename")) {
         zfree(server.dbfilename);


@@ -243,6 +337,27 @@ void configSetCommand(redisClient *c) {
         if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
             ll < 0) goto badfmt;
         server.maxmemory = ll;
         if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
             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;
     } else if (!strcasecmp(c->argv[2]->ptr,"timeout")) {
         if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
             ll < 0 || ll > LONG_MAX) goto badfmt;


@@ -272,9 +387,8 @@ void configSetCommand(redisClient *c) {
                 stopAppendOnly();
             } else {
                 if (startAppendOnly() == REDIS_ERR) {
                 stopAppendOnly();
             } else {
                 if (startAppendOnly() == REDIS_ERR) {

-                    addReplySds(c,sdscatprintf(sdsempty(),
-                        "-ERR Unable to turn on AOF. Check server logs.\r\n"));
-                    decrRefCount(o);
+                    addReplyError(c,
+                        "Unable to turn on AOF. Check server logs.");

                     return;
                 }
             }
                     return;
                 }
             }


@@ -313,33 +427,32 @@ void configSetCommand(redisClient *c) {
             appendServerSaveParams(seconds, changes);
         }
         sdsfreesplitres(v,vlen);
             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 {
     } else {

-        addReplySds(c,sdscatprintf(sdsempty(),
-            "-ERR not supported CONFIG parameter %s\r\n",
-            (char*)c->argv[2]->ptr));
-        decrRefCount(o);
+        addReplyErrorFormat(c,"Unsupported CONFIG parameter: %s",
+            (char*)c->argv[2]->ptr);

         return;
     }
         return;
     }

-    decrRefCount(o);

     addReply(c,shared.ok);
     return;
 
 badfmt: /* Bad format errors */
     addReply(c,shared.ok);
     return;
 
 badfmt: /* Bad format errors */

-    addReplySds(c,sdscatprintf(sdsempty(),
-        "-ERR invalid argument '%s' for CONFIG SET '%s'\r\n",
+    addReplyErrorFormat(c,"Invalid argument '%s' for CONFIG SET '%s'",

             (char*)o->ptr,
             (char*)o->ptr,

-            (char*)c->argv[2]->ptr));
-    decrRefCount(o);
+            (char*)c->argv[2]->ptr);

 }
 
 void configGetCommand(redisClient *c) {
 }
 
 void configGetCommand(redisClient *c) {

-    robj *o = getDecodedObject(c->argv[2]);
-    robj *lenobj = createObject(REDIS_STRING,NULL);
+    robj *o = c->argv[2];
+    void *replylen = addDeferredMultiBulkLength(c);

     char *pattern = o->ptr;
     char *pattern = o->ptr;

+    char buf[128];

     int matches = 0;
     int matches = 0;

-
-    addReply(c,lenobj);
-    decrRefCount(lenobj);
+    redisAssert(o->encoding == REDIS_ENCODING_RAW);

 
     if (stringmatch(pattern,"dbfilename",0)) {
         addReplyBulkCString(c,"dbfilename");
 
     if (stringmatch(pattern,"dbfilename",0)) {
         addReplyBulkCString(c,"dbfilename");


@@ -357,17 +470,35 @@ void configGetCommand(redisClient *c) {
         matches++;
     }
     if (stringmatch(pattern,"maxmemory",0)) {
         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++;
     }
         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++;
         addReplyBulkCString(c,"timeout");
         addReplyBulkCString(c,buf);
         matches++;


@@ -411,8 +542,12 @@ void configGetCommand(redisClient *c) {
         sdsfree(buf);
         matches++;
     }
         sdsfree(buf);
         matches++;
     }

-    decrRefCount(o);
-    lenobj->ptr = sdscatprintf(sdsempty(),"*%d\r\n",matches*2);
+    if (stringmatch(pattern,"slave-serve-stale-data",0)) {
+        addReplyBulkCString(c,"slave-serve-stale-data");
+        addReplyBulkCString(c,server.repl_serve_stale_data ? "yes" : "no");
+        matches++;
+    }
+    setDeferredMultiBulkLength(c,replylen,matches*2);

 }
 
 void configCommand(redisClient *c) {
 }
 
 void configCommand(redisClient *c) {


@@ -424,19 +559,19 @@ void configCommand(redisClient *c) {
         configGetCommand(c);
     } else if (!strcasecmp(c->argv[1]->ptr,"resetstat")) {
         if (c->argc != 2) goto badarity;
         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_numcommands = 0;
         server.stat_numconnections = 0;
         server.stat_expiredkeys = 0;

-        server.stat_starttime = time(NULL);

         addReply(c,shared.ok);
     } else {
         addReply(c,shared.ok);
     } else {

-        addReplySds(c,sdscatprintf(sdsempty(),
-            "-ERR CONFIG subcommand must be one of GET, SET, RESETSTAT\r\n"));
+        addReplyError(c,
+            "CONFIG subcommand must be one of GET, SET, RESETSTAT");

     }
     return;
 
 badarity:
     }
     return;
 
 badarity:

-    addReplySds(c,sdscatprintf(sdsempty(),
-        "-ERR Wrong number of arguments for CONFIG %s\r\n",
-        (char*) c->argv[1]->ptr));
+    addReplyErrorFormat(c,"Wrong number of arguments for CONFIG %s",
+        (char*) c->argv[1]->ptr);

 }
 }