X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/893819801d4952e208e83dde364bfc5021465e45..77a75fdef5c56033e328252f47bf3a26a3dab1b4:/src/config.c diff --git a/src/config.c b/src/config.c index eeec9e8c..c2ea5b76 100644 --- a/src/config.c +++ b/src/config.c @@ -23,39 +23,25 @@ void resetServerSaveParams() { server.saveparamslen = 0; } -/* I agree, this is a very rudimental way to load a configuration... - will improve later if the config gets more complex */ -void loadServerConfig(char *filename) { - FILE *fp; - char buf[REDIS_CONFIGLINE_MAX+1], *err = NULL; - int linenum = 0; - sds line = NULL; - - if (filename[0] == '-' && filename[1] == '\0') - fp = stdin; - else { - if ((fp = fopen(filename,"r")) == NULL) { - redisLog(REDIS_WARNING, "Fatal error, can't open config file '%s'", filename); - exit(1); - } - } +void loadServerConfigFromString(char *config) { + char *err = NULL; + int linenum = 0, totlines, i; + sds *lines; + + lines = sdssplitlen(config,strlen(config),"\n",1,&totlines); - while(fgets(buf,REDIS_CONFIGLINE_MAX+1,fp) != NULL) { + for (i = 0; i < totlines; i++) { sds *argv; - int argc, j; + int argc; - linenum++; - line = sdsnew(buf); - line = sdstrim(line," \t\r\n"); + linenum = i+1; + lines[i] = sdstrim(lines[i]," \t\r\n"); /* Skip comments and blank lines*/ - if (line[0] == '#' || line[0] == '\0') { - sdsfree(line); - continue; - } + if (lines[i][0] == '#' || lines[i][0] == '\0') continue; /* Split into arguments */ - argv = sdssplitlen(line,sdslen(line)," ",1,&argc); + argv = sdssplitargs(lines[i],&argc); sdstolower(argv[0]); /* Execute config directives */ @@ -66,20 +52,30 @@ 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]); - if (seconds < 1 || changes < 0) { - err = "Invalid save parameters"; goto loaderr; + } else if (!strcasecmp(argv[0],"unixsocketperm") && argc == 2) { + errno = 0; + server.unixsocketperm = (mode_t)strtol(argv[1], NULL, 8); + if (errno || server.unixsocketperm > 0777) { + err = "Invalid socket file permissions"; goto loaderr; + } + } else if (!strcasecmp(argv[0],"save")) { + if (argc == 3) { + int seconds = atoi(argv[1]); + int changes = atoi(argv[2]); + if (seconds < 1 || changes < 0) { + err = "Invalid save parameters"; goto loaderr; + } + appendServerSaveParams(seconds,changes); + } else if (argc == 2 && !strcasecmp(argv[1],"")) { + resetServerSaveParams(); } - appendServerSaveParams(seconds,changes); } else if (!strcasecmp(argv[0],"dir") && argc == 2) { if (chdir(argv[1]) == -1) { redisLog(REDIS_WARNING,"Can't chdir to '%s': %s", @@ -114,29 +110,111 @@ 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) { err = "Invalid number of databases"; goto loaderr; } } else if (!strcasecmp(argv[0],"include") && argc == 2) { - loadServerConfig(argv[1]); + loadServerConfig(argv[1],NULL); } else if (!strcasecmp(argv[0],"maxclients") && argc == 2) { server.maxclients = atoi(argv[1]); + if (server.maxclients < 1) { + err = "Invalid max clients limit"; goto loaderr; + } } 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; + server.repl_state = REDIS_REPL_CONNECT; + } else if (!strcasecmp(argv[0],"repl-ping-slave-period") && argc == 2) { + server.repl_ping_slave_period = atoi(argv[1]); + if (server.repl_ping_slave_period <= 0) { + err = "repl-ping-slave-period must be 1 or greater"; + goto loaderr; + } + } else if (!strcasecmp(argv[0],"repl-timeout") && argc == 2) { + server.repl_timeout = atoi(argv[1]); + if (server.repl_timeout <= 0) { + err = "repl-timeout must be 1 or greater"; + goto loaderr; + } } 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],"slave-read-only") && argc == 2) { + if ((server.repl_slave_ro = yesnotoi(argv[1])) == -1) { err = "argument must be 'yes' or 'no'"; goto loaderr; } } else if (!strcasecmp(argv[0],"rdbcompression") && argc == 2) { - if ((server.rdbcompression = yesnotoi(argv[1])) == -1) { + if ((server.rdb_compression = yesnotoi(argv[1])) == -1) { + err = "argument must be 'yes' or 'no'"; goto loaderr; + } + } else if (!strcasecmp(argv[0],"rdbchecksum") && argc == 2) { + if ((server.rdb_checksum = yesnotoi(argv[1])) == -1) { err = "argument must be 'yes' or 'no'"; goto loaderr; } } else if (!strcasecmp(argv[0],"activerehashing") && argc == 2) { @@ -148,92 +226,193 @@ void loadServerConfig(char *filename) { err = "argument must be 'yes' or 'no'"; goto loaderr; } } else if (!strcasecmp(argv[0],"appendonly") && argc == 2) { - if ((server.appendonly = yesnotoi(argv[1])) == -1) { + int yes; + + if ((yes = yesnotoi(argv[1])) == -1) { err = "argument must be 'yes' or 'no'"; goto loaderr; } + server.aof_state = yes ? REDIS_AOF_ON : REDIS_AOF_OFF; } else if (!strcasecmp(argv[0],"appendfilename") && argc == 2) { - zfree(server.appendfilename); - server.appendfilename = zstrdup(argv[1]); + zfree(server.aof_filename); + server.aof_filename = zstrdup(argv[1]); } else if (!strcasecmp(argv[0],"no-appendfsync-on-rewrite") && argc == 2) { - if ((server.no_appendfsync_on_rewrite= yesnotoi(argv[1])) == -1) { + if ((server.aof_no_fsync_on_rewrite= yesnotoi(argv[1])) == -1) { err = "argument must be 'yes' or 'no'"; goto loaderr; } } else if (!strcasecmp(argv[0],"appendfsync") && argc == 2) { if (!strcasecmp(argv[1],"no")) { - server.appendfsync = APPENDFSYNC_NO; + server.aof_fsync = AOF_FSYNC_NO; } else if (!strcasecmp(argv[1],"always")) { - server.appendfsync = APPENDFSYNC_ALWAYS; + server.aof_fsync = AOF_FSYNC_ALWAYS; } else if (!strcasecmp(argv[1],"everysec")) { - server.appendfsync = APPENDFSYNC_EVERYSEC; + server.aof_fsync = AOF_FSYNC_EVERYSEC; } else { err = "argument must be 'no', 'always' or 'everysec'"; goto loaderr; } + } else if (!strcasecmp(argv[0],"auto-aof-rewrite-percentage") && + argc == 2) + { + server.aof_rewrite_perc = atoi(argv[1]); + if (server.aof_rewrite_perc < 0) { + err = "Invalid negative percentage for AOF auto rewrite"; + goto loaderr; + } + } else if (!strcasecmp(argv[0],"auto-aof-rewrite-min-size") && + argc == 2) + { + server.aof_rewrite_min_size = memtoll(argv[1],NULL); } else if (!strcasecmp(argv[0],"requirepass") && argc == 2) { server.requirepass = zstrdup(argv[1]); } else if (!strcasecmp(argv[0],"pidfile") && argc == 2) { zfree(server.pidfile); server.pidfile = zstrdup(argv[1]); } 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) { - 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){ - server.hash_max_zipmap_entries = memtoll(argv[1], NULL); - } else if (!strcasecmp(argv[0],"hash-max-zipmap-value") && argc == 2){ - server.hash_max_zipmap_value = memtoll(argv[1], NULL); + zfree(server.rdb_filename); + server.rdb_filename = zstrdup(argv[1]); + } else if (!strcasecmp(argv[0],"hash-max-ziplist-entries") && argc == 2) { + server.hash_max_ziplist_entries = memtoll(argv[1], NULL); + } else if (!strcasecmp(argv[0],"hash-max-ziplist-value") && argc == 2) { + server.hash_max_ziplist_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) { + server.set_max_intset_entries = memtoll(argv[1], NULL); + } else if (!strcasecmp(argv[0],"zset-max-ziplist-entries") && argc == 2) { + server.zset_max_ziplist_entries = memtoll(argv[1], NULL); + } else if (!strcasecmp(argv[0],"zset-max-ziplist-value") && argc == 2) { + server.zset_max_ziplist_value = 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 if (!strcasecmp(argv[0],"lua-time-limit") && argc == 2) { + server.lua_time_limit = strtoll(argv[1],NULL,10); + } else if (!strcasecmp(argv[0],"slowlog-log-slower-than") && + argc == 2) + { + server.slowlog_log_slower_than = strtoll(argv[1],NULL,10); + } else if (!strcasecmp(argv[0],"slowlog-max-len") && argc == 2) { + server.slowlog_max_len = strtoll(argv[1],NULL,10); + } else if (!strcasecmp(argv[0],"client-output-buffer-limit") && + argc == 5) + { + int class = getClientLimitClassByName(argv[1]); + unsigned long long hard, soft; + int soft_seconds; + + if (class == -1) { + err = "Unrecognized client limit class"; + goto loaderr; + } + hard = memtoll(argv[2],NULL); + soft = memtoll(argv[3],NULL); + soft_seconds = atoi(argv[4]); + if (soft_seconds < 0) { + err = "Negative number of seconds in soft limt is invalid"; + goto loaderr; + } + server.client_obuf_limits[class].hard_limit_bytes = hard; + server.client_obuf_limits[class].soft_limit_bytes = soft; + server.client_obuf_limits[class].soft_limit_seconds = soft_seconds; + } else if (!strcasecmp(argv[0],"stop-writes-on-bgsave-error") && + argc == 2) { + if ((server.stop_writes_on_bgsave_err = yesnotoi(argv[1])) == -1) { + err = "argument must be 'yes' or 'no'"; goto loaderr; + } } else { err = "Bad directive or wrong number of arguments"; goto loaderr; } - for (j = 0; j < argc; j++) - sdsfree(argv[j]); - zfree(argv); - sdsfree(line); + sdsfreesplitres(argv,argc); } - if (fp != stdin) fclose(fp); + sdsfreesplitres(lines,totlines); return; loaderr: fprintf(stderr, "\n*** FATAL CONFIG FILE ERROR ***\n"); fprintf(stderr, "Reading the configuration file, at line %d\n", linenum); - fprintf(stderr, ">>> '%s'\n", line); + fprintf(stderr, ">>> '%s'\n", lines[i]); fprintf(stderr, "%s\n", err); exit(1); } +/* Load the server configuration from the specified filename. + * The function appends the additional configuration directives stored + * in the 'options' string to the config file before loading. + * + * Both filename and options can be NULL, in such a case are considered + * emtpy. This way loadServerConfig can be used to just load a file or + * just load a string. */ +void loadServerConfig(char *filename, char *options) { + sds config = sdsempty(); + char buf[REDIS_CONFIGLINE_MAX+1]; + + /* Load the file content */ + if (filename) { + FILE *fp; + + if (filename[0] == '-' && filename[1] == '\0') { + fp = stdin; + } else { + if ((fp = fopen(filename,"r")) == NULL) { + redisLog(REDIS_WARNING, + "Fatal error, can't open config file '%s'", filename); + exit(1); + } + } + while(fgets(buf,REDIS_CONFIGLINE_MAX+1,fp) != NULL) + config = sdscat(config,buf); + if (fp != stdin) fclose(fp); + } + /* Append the additional options */ + if (options) { + config = sdscat(config,"\n"); + config = sdscat(config,options); + } + loadServerConfigFromString(config); + sdsfree(config); +} + /*----------------------------------------------------------------------------- * CONFIG command for remote configuration *----------------------------------------------------------------------------*/ void configSetCommand(redisClient *c) { - robj *o = getDecodedObject(c->argv[3]); + robj *o; long long ll; + redisAssertWithInfo(c,c->argv[2],c->argv[2]->encoding == REDIS_ENCODING_RAW); + redisAssertWithInfo(c,c->argv[2],c->argv[3]->encoding == REDIS_ENCODING_RAW); + o = c->argv[3]; if (!strcasecmp(c->argv[2]->ptr,"dbfilename")) { - zfree(server.dbfilename); - server.dbfilename = zstrdup(o->ptr); + zfree(server.rdb_filename); + server.rdb_filename = zstrdup(o->ptr); } else if (!strcasecmp(c->argv[2]->ptr,"requirepass")) { zfree(server.requirepass); - server.requirepass = zstrdup(o->ptr); + server.requirepass = ((char*)o->ptr)[0] ? zstrdup(o->ptr) : NULL; } else if (!strcasecmp(c->argv[2]->ptr,"masterauth")) { zfree(server.masterauth); server.masterauth = zstrdup(o->ptr); @@ -241,17 +420,38 @@ void configSetCommand(redisClient *c) { 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; server.maxidletime = ll; } else if (!strcasecmp(c->argv[2]->ptr,"appendfsync")) { if (!strcasecmp(o->ptr,"no")) { - server.appendfsync = APPENDFSYNC_NO; + server.aof_fsync = AOF_FSYNC_NO; } else if (!strcasecmp(o->ptr,"everysec")) { - server.appendfsync = APPENDFSYNC_EVERYSEC; + server.aof_fsync = AOF_FSYNC_EVERYSEC; } else if (!strcasecmp(o->ptr,"always")) { - server.appendfsync = APPENDFSYNC_ALWAYS; + server.aof_fsync = AOF_FSYNC_ALWAYS; } else { goto badfmt; } @@ -259,24 +459,26 @@ void configSetCommand(redisClient *c) { int yn = yesnotoi(o->ptr); if (yn == -1) goto badfmt; - server.no_appendfsync_on_rewrite = yn; + server.aof_no_fsync_on_rewrite = yn; } else if (!strcasecmp(c->argv[2]->ptr,"appendonly")) { - int old = server.appendonly; - int new = yesnotoi(o->ptr); + int enable = yesnotoi(o->ptr); - if (new == -1) goto badfmt; - if (old != new) { - if (new == 0) { - stopAppendOnly(); - } else { - if (startAppendOnly() == REDIS_ERR) { - addReplySds(c,sdscatprintf(sdsempty(), - "-ERR Unable to turn on AOF. Check server logs.\r\n")); - decrRefCount(o); - return; - } + if (enable == -1) goto badfmt; + if (enable == 0 && server.aof_state != REDIS_AOF_OFF) { + stopAppendOnly(); + } else if (enable && server.aof_state == REDIS_AOF_OFF) { + if (startAppendOnly() == REDIS_ERR) { + addReplyError(c, + "Unable to turn on AOF. Check server logs."); + return; } } + } else if (!strcasecmp(c->argv[2]->ptr,"auto-aof-rewrite-percentage")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.aof_rewrite_perc = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"auto-aof-rewrite-min-size")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.aof_rewrite_min_size = ll; } else if (!strcasecmp(c->argv[2]->ptr,"save")) { int vlen, j; sds *v = sdssplitlen(o->ptr,sdslen(o->ptr)," ",1,&vlen); @@ -311,82 +513,280 @@ 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,"slave-read-only")) { + int yn = yesnotoi(o->ptr); + + if (yn == -1) goto badfmt; + server.repl_slave_ro = 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-ziplist-entries")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.hash_max_ziplist_entries = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"hash-max-ziplist-value")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.hash_max_ziplist_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 if (!strcasecmp(c->argv[2]->ptr,"zset-max-ziplist-entries")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.zset_max_ziplist_entries = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"zset-max-ziplist-value")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.zset_max_ziplist_value = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"lua-time-limit")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.lua_time_limit = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"slowlog-log-slower-than")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR) goto badfmt; + server.slowlog_log_slower_than = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"slowlog-max-len")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + server.slowlog_max_len = (unsigned)ll; + } else if (!strcasecmp(c->argv[2]->ptr,"loglevel")) { + if (!strcasecmp(o->ptr,"warning")) { + server.verbosity = REDIS_WARNING; + } else if (!strcasecmp(o->ptr,"notice")) { + server.verbosity = REDIS_NOTICE; + } else if (!strcasecmp(o->ptr,"verbose")) { + server.verbosity = REDIS_VERBOSE; + } else if (!strcasecmp(o->ptr,"debug")) { + server.verbosity = REDIS_DEBUG; + } else { + goto badfmt; + } + } else if (!strcasecmp(c->argv[2]->ptr,"client-output-buffer-limit")) { + int vlen, j; + sds *v = sdssplitlen(o->ptr,sdslen(o->ptr)," ",1,&vlen); + + /* We need a multiple of 4: */ + if (vlen % 4) { + sdsfreesplitres(v,vlen); + goto badfmt; + } + + /* Sanity check of single arguments, so that we either refuse the + * whole configuration string or accept it all, even if a single + * error in a single client class is present. */ + for (j = 0; j < vlen; j++) { + char *eptr; + long val; + + if ((j % 4) == 0) { + if (getClientLimitClassByName(v[j]) == -1) { + sdsfreesplitres(v,vlen); + goto badfmt; + } + } else { + val = strtoll(v[j], &eptr, 10); + if (eptr[0] != '\0' || val < 0) { + sdsfreesplitres(v,vlen); + goto badfmt; + } + } + } + /* Finally set the new config */ + for (j = 0; j < vlen; j += 4) { + int class; + unsigned long long hard, soft; + int soft_seconds; + + class = getClientLimitClassByName(v[j]); + hard = strtoll(v[j+1],NULL,10); + soft = strtoll(v[j+2],NULL,10); + soft_seconds = strtoll(v[j+3],NULL,10); + + server.client_obuf_limits[class].hard_limit_bytes = hard; + server.client_obuf_limits[class].soft_limit_bytes = soft; + server.client_obuf_limits[class].soft_limit_seconds = soft_seconds; + } + sdsfreesplitres(v,vlen); + } else if (!strcasecmp(c->argv[2]->ptr,"stop-writes-on-bgsave-error")) { + int yn = yesnotoi(o->ptr); + + if (yn == -1) goto badfmt; + server.stop_writes_on_bgsave_err = yn; + } else if (!strcasecmp(c->argv[2]->ptr,"repl-ping-slave-period")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll <= 0) goto badfmt; + server.repl_ping_slave_period = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"repl-timeout")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll <= 0) goto badfmt; + server.repl_timeout = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"watchdog-period")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; + if (ll) + enableWatchdog(ll); + else + disableWatchdog(); + } else if (!strcasecmp(c->argv[2]->ptr,"rdbcompression")) { + int yn = yesnotoi(o->ptr); + + if (yn == -1) goto badfmt; + server.rdb_compression = yn; + } else if (!strcasecmp(c->argv[2]->ptr,"rdbchecksum")) { + int yn = yesnotoi(o->ptr); + + if (yn == -1) goto badfmt; + server.rdb_checksum = yn; } 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; } - decrRefCount(o); 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*)c->argv[2]->ptr)); - decrRefCount(o); + (char*)c->argv[2]->ptr); } +#define config_get_string_field(_name,_var) do { \ + if (stringmatch(pattern,_name,0)) { \ + addReplyBulkCString(c,_name); \ + addReplyBulkCString(c,_var ? _var : ""); \ + matches++; \ + } \ +} while(0); + +#define config_get_bool_field(_name,_var) do { \ + if (stringmatch(pattern,_name,0)) { \ + addReplyBulkCString(c,_name); \ + addReplyBulkCString(c,_var ? "yes" : "no"); \ + matches++; \ + } \ +} while(0); + +#define config_get_numerical_field(_name,_var) do { \ + if (stringmatch(pattern,_name,0)) { \ + ll2string(buf,sizeof(buf),_var); \ + addReplyBulkCString(c,_name); \ + addReplyBulkCString(c,buf); \ + matches++; \ + } \ +} while(0); + 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 buf[128]; int matches = 0; + redisAssertWithInfo(c,o,o->encoding == REDIS_ENCODING_RAW); - addReply(c,lenobj); - decrRefCount(lenobj); + /* String values */ + config_get_string_field("dbfilename",server.rdb_filename); + config_get_string_field("requirepass",server.requirepass); + config_get_string_field("masterauth",server.requirepass); + config_get_string_field("bind",server.bindaddr); + config_get_string_field("unixsocket",server.unixsocket); + config_get_string_field("logfile",server.logfile); + config_get_string_field("pidfile",server.pidfile); - if (stringmatch(pattern,"dbfilename",0)) { - addReplyBulkCString(c,"dbfilename"); - addReplyBulkCString(c,server.dbfilename); - matches++; - } - if (stringmatch(pattern,"requirepass",0)) { - addReplyBulkCString(c,"requirepass"); - addReplyBulkCString(c,server.requirepass); - matches++; - } - if (stringmatch(pattern,"masterauth",0)) { - addReplyBulkCString(c,"masterauth"); - addReplyBulkCString(c,server.masterauth); - matches++; - } - if (stringmatch(pattern,"maxmemory",0)) { - char buf[128]; + /* Numerical values */ + config_get_numerical_field("maxmemory",server.maxmemory); + config_get_numerical_field("maxmemory-samples",server.maxmemory_samples); + config_get_numerical_field("timeout",server.maxidletime); + config_get_numerical_field("auto-aof-rewrite-percentage", + server.aof_rewrite_perc); + config_get_numerical_field("auto-aof-rewrite-min-size", + server.aof_rewrite_min_size); + config_get_numerical_field("hash-max-ziplist-entries", + server.hash_max_ziplist_entries); + config_get_numerical_field("hash-max-ziplist-value", + server.hash_max_ziplist_value); + config_get_numerical_field("list-max-ziplist-entries", + server.list_max_ziplist_entries); + config_get_numerical_field("list-max-ziplist-value", + server.list_max_ziplist_value); + config_get_numerical_field("set-max-intset-entries", + server.set_max_intset_entries); + config_get_numerical_field("zset-max-ziplist-entries", + server.zset_max_ziplist_entries); + config_get_numerical_field("zset-max-ziplist-value", + server.zset_max_ziplist_value); + config_get_numerical_field("lua-time-limit",server.lua_time_limit); + config_get_numerical_field("slowlog-log-slower-than", + server.slowlog_log_slower_than); + config_get_numerical_field("slowlog-max-len", + server.slowlog_max_len); + config_get_numerical_field("port",server.port); + config_get_numerical_field("databases",server.dbnum); + config_get_numerical_field("repl-ping-slave-period",server.repl_ping_slave_period); + config_get_numerical_field("repl-timeout",server.repl_timeout); + config_get_numerical_field("maxclients",server.maxclients); + config_get_numerical_field("watchdog-period",server.watchdog_period); - ll2string(buf,128,server.maxmemory); - addReplyBulkCString(c,"maxmemory"); - addReplyBulkCString(c,buf); + /* Bool (yes/no) values */ + config_get_bool_field("no-appendfsync-on-rewrite", + server.aof_no_fsync_on_rewrite); + config_get_bool_field("slave-serve-stale-data", + server.repl_serve_stale_data); + config_get_bool_field("slave-read-only", + server.repl_slave_ro); + config_get_bool_field("stop-writes-on-bgsave-error", + server.stop_writes_on_bgsave_err); + config_get_bool_field("daemonize", server.daemonize); + config_get_bool_field("rdbcompression", server.rdb_compression); + config_get_bool_field("rdbchecksum", server.rdb_checksum); + config_get_bool_field("activerehashing", server.activerehashing); + + /* Everything we can't handle with macros follows. */ + + if (stringmatch(pattern,"appendonly",0)) { + addReplyBulkCString(c,"appendonly"); + addReplyBulkCString(c,server.aof_state == REDIS_AOF_OFF ? "no" : "yes"); matches++; } - if (stringmatch(pattern,"timeout",0)) { - char buf[128]; + if (stringmatch(pattern,"dir",0)) { + char buf[1024]; - ll2string(buf,128,server.maxidletime); - addReplyBulkCString(c,"timeout"); + if (getcwd(buf,sizeof(buf)) == NULL) + buf[0] = '\0'; + + addReplyBulkCString(c,"dir"); addReplyBulkCString(c,buf); matches++; } - if (stringmatch(pattern,"appendonly",0)) { - addReplyBulkCString(c,"appendonly"); - addReplyBulkCString(c,server.appendonly ? "yes" : "no"); - matches++; - } - if (stringmatch(pattern,"no-appendfsync-on-rewrite",0)) { - addReplyBulkCString(c,"no-appendfsync-on-rewrite"); - addReplyBulkCString(c,server.no_appendfsync_on_rewrite ? "yes" : "no"); + if (stringmatch(pattern,"maxmemory-policy",0)) { + char *s; + + 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,"appendfsync",0)) { char *policy; - switch(server.appendfsync) { - case APPENDFSYNC_NO: policy = "no"; break; - case APPENDFSYNC_EVERYSEC: policy = "everysec"; break; - case APPENDFSYNC_ALWAYS: policy = "always"; break; + switch(server.aof_fsync) { + case AOF_FSYNC_NO: policy = "no"; break; + case AOF_FSYNC_EVERYSEC: policy = "everysec"; break; + case AOF_FSYNC_ALWAYS: policy = "always"; break; default: policy = "unknown"; break; /* too harmless to panic */ } addReplyBulkCString(c,"appendfsync"); @@ -409,8 +809,58 @@ void configGetCommand(redisClient *c) { sdsfree(buf); matches++; } - decrRefCount(o); - lenobj->ptr = sdscatprintf(sdsempty(),"*%d\r\n",matches*2); + if (stringmatch(pattern,"loglevel",0)) { + char *s; + + switch(server.verbosity) { + case REDIS_WARNING: s = "warning"; break; + case REDIS_VERBOSE: s = "verbose"; break; + case REDIS_NOTICE: s = "notice"; break; + case REDIS_DEBUG: s = "debug"; break; + default: s = "unknown"; break; /* too harmless to panic */ + } + addReplyBulkCString(c,"loglevel"); + addReplyBulkCString(c,s); + matches++; + } + if (stringmatch(pattern,"client-output-buffer-limit",0)) { + sds buf = sdsempty(); + int j; + + for (j = 0; j < REDIS_CLIENT_LIMIT_NUM_CLASSES; j++) { + buf = sdscatprintf(buf,"%s %llu %llu %ld", + getClientLimitClassName(j), + server.client_obuf_limits[j].hard_limit_bytes, + server.client_obuf_limits[j].soft_limit_bytes, + (long) server.client_obuf_limits[j].soft_limit_seconds); + if (j != REDIS_CLIENT_LIMIT_NUM_CLASSES-1) + buf = sdscatlen(buf," ",1); + } + addReplyBulkCString(c,"client-output-buffer-limit"); + addReplyBulkCString(c,buf); + sdsfree(buf); + matches++; + } + if (stringmatch(pattern,"unixsocketperm",0)) { + char buf[32]; + snprintf(buf,sizeof(buf),"%o",server.unixsocketperm); + addReplyBulkCString(c,"unixsocketperm"); + addReplyBulkCString(c,buf); + matches++; + } + if (stringmatch(pattern,"slaveof",0)) { + char buf[256]; + + addReplyBulkCString(c,"slaveof"); + if (server.masterhost) + snprintf(buf,sizeof(buf),"%s %d", + server.masterhost, server.masterport); + else + buf[0] = '\0'; + addReplyBulkCString(c,buf); + matches++; + } + setDeferredMultiBulkLength(c,replylen,matches*2); } void configCommand(redisClient *c) { @@ -422,19 +872,23 @@ 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); + server.stat_rejected_conn = 0; + server.stat_fork_time = 0; + server.aof_delayed_fsync = 0; + resetCommandTableStats(); 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: - 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); }