+/* Configuration file parsing and CONFIG GET/SET commands implementation.
+ *
+ * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Redis nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
#include "redis.h"
/*-----------------------------------------------------------------------------
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 ((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],"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.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) {
if ((server.activerehashing = yesnotoi(argv[1])) == -1) {
err = "argument must be 'yes' or 'no'"; goto loaderr;
{
server.aof_rewrite_min_size = memtoll(argv[1],NULL);
} else if (!strcasecmp(argv[0],"requirepass") && argc == 2) {
+ if (strlen(argv[1]) > REDIS_AUTHPASS_MAX_LEN) {
+ err = "Password is longer than REDIS_AUTHPASS_MAX_LEN";
+ goto loaderr;
+ }
server.requirepass = zstrdup(argv[1]);
} else if (!strcasecmp(argv[0],"pidfile") && argc == 2) {
zfree(server.pidfile);
} else if (!strcasecmp(argv[0],"dbfilename") && argc == 2) {
zfree(server.rdb_filename);
server.rdb_filename = zstrdup(argv[1]);
- } 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);
+ } 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) {
err = "Target command name already exists"; goto loaderr;
}
}
- } else if (!strcasecmp(argv[0],"cluster-enabled") && argc == 2) {
- if ((server.cluster_enabled = yesnotoi(argv[1])) == -1) {
- err = "argument must be 'yes' or 'no'"; goto loaderr;
- }
- } else if (!strcasecmp(argv[0],"cluster-config-file") && argc == 2) {
- zfree(server.cluster.configfile);
- server.cluster.configfile = zstrdup(argv[1]);
} 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") &&
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 if (!strcasecmp(argv[0],"slave-priority") && argc == 2) {
+ server.slave_priority = atoi(argv[1]);
+ } else if (!strcasecmp(argv[0],"sentinel")) {
+ /* argc == 1 is handled by main() as we need to enter the sentinel
+ * mode ASAP. */
+ if (argc != 1) {
+ if (!server.sentinel_mode) {
+ err = "sentinel directive while not in sentinel mode";
+ goto loaderr;
+ }
+ err = sentinelHandleConfiguration(argv+1,argc-1);
+ if (err) goto loaderr;
+ }
} else {
err = "Bad directive or wrong number of arguments"; goto loaderr;
}
zfree(server.rdb_filename);
server.rdb_filename = zstrdup(o->ptr);
} else if (!strcasecmp(c->argv[2]->ptr,"requirepass")) {
+ if (sdslen(o->ptr) > REDIS_AUTHPASS_MAX_LEN) goto badfmt;
zfree(server.requirepass);
server.requirepass = ((char*)o->ptr)[0] ? zstrdup(o->ptr) : NULL;
} else if (!strcasecmp(c->argv[2]->ptr,"masterauth")) {
if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
ll < 0) goto badfmt;
server.maxmemory = ll;
- if (server.maxmemory) freeMemoryIfNeeded();
+ if (server.maxmemory) {
+ if (server.maxmemory < zmalloc_used_memory()) {
+ redisLog(REDIS_WARNING,"WARNING: the new maxmemory value set via CONFIG SET is smaller than the current memory usage. This will result in keys eviction and/or inability to accept new write commands depending on the maxmemory-policy.");
+ }
+ freeMemoryIfNeeded();
+ }
} else if (!strcasecmp(c->argv[2]->ptr,"maxmemory-policy")) {
if (!strcasecmp(o->ptr,"volatile-lru")) {
server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
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-zipmap-entries")) {
+ } else if (!strcasecmp(c->argv[2]->ptr,"hash-max-ziplist-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")) {
+ 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_zipmap_value = ll;
+ 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;
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 if (!strcasecmp(c->argv[2]->ptr,"slave-priority")) {
+ if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
+ ll <= 0) goto badfmt;
+ server.slave_priority = ll;
} else {
addReplyErrorFormat(c,"Unsupported CONFIG parameter: %s",
(char*)c->argv[2]->ptr);
(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 = c->argv[2];
void *replylen = addDeferredMultiBulkLength(c);
int matches = 0;
redisAssertWithInfo(c,o,o->encoding == REDIS_ENCODING_RAW);
+ /* 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);
+
+ /* 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);
+ config_get_numerical_field("slave-priority",server.slave_priority);
+
+ /* 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,"dir",0)) {
char buf[1024];
addReplyBulkCString(c,buf);
matches++;
}
- if (stringmatch(pattern,"dbfilename",0)) {
- addReplyBulkCString(c,"dbfilename");
- addReplyBulkCString(c,server.rdb_filename);
- 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)) {
- ll2string(buf,sizeof(buf),server.maxmemory);
- addReplyBulkCString(c,"maxmemory");
- addReplyBulkCString(c,buf);
- matches++;
- }
if (stringmatch(pattern,"maxmemory-policy",0)) {
char *s;
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++;
- }
- if (stringmatch(pattern,"appendonly",0)) {
- addReplyBulkCString(c,"appendonly");
- addReplyBulkCString(c,server.aof_state == REDIS_AOF_OFF ? "no" : "yes");
- matches++;
- }
- if (stringmatch(pattern,"no-appendfsync-on-rewrite",0)) {
- addReplyBulkCString(c,"no-appendfsync-on-rewrite");
- addReplyBulkCString(c,server.aof_no_fsync_on_rewrite ? "yes" : "no");
- matches++;
- }
if (stringmatch(pattern,"appendfsync",0)) {
char *policy;
sdsfree(buf);
matches++;
}
- if (stringmatch(pattern,"auto-aof-rewrite-percentage",0)) {
- addReplyBulkCString(c,"auto-aof-rewrite-percentage");
- addReplyBulkLongLong(c,server.aof_rewrite_perc);
- matches++;
- }
- if (stringmatch(pattern,"auto-aof-rewrite-min-size",0)) {
- addReplyBulkCString(c,"auto-aof-rewrite-min-size");
- addReplyBulkLongLong(c,server.aof_rewrite_min_size);
- matches++;
- }
- 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++;
- }
- if (stringmatch(pattern,"zset-max-ziplist-entries",0)) {
- addReplyBulkCString(c,"zset-max-ziplist-entries");
- addReplyBulkLongLong(c,server.zset_max_ziplist_entries);
- matches++;
- }
- if (stringmatch(pattern,"zset-max-ziplist-value",0)) {
- addReplyBulkCString(c,"zset-max-ziplist-value");
- addReplyBulkLongLong(c,server.zset_max_ziplist_value);
- matches++;
- }
- if (stringmatch(pattern,"lua-time-limit",0)) {
- addReplyBulkCString(c,"lua-time-limit");
- addReplyBulkLongLong(c,server.lua_time_limit);
- matches++;
- }
- if (stringmatch(pattern,"slowlog-log-slower-than",0)) {
- addReplyBulkCString(c,"slowlog-log-slower-than");
- addReplyBulkLongLong(c,server.slowlog_log_slower_than);
- matches++;
- }
- if (stringmatch(pattern,"slowlog-max-len",0)) {
- addReplyBulkCString(c,"slowlog-max-len");
- addReplyBulkLongLong(c,server.slowlog_max_len);
- matches++;
- }
if (stringmatch(pattern,"loglevel",0)) {
char *s;
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);
}
server.stat_numcommands = 0;
server.stat_numconnections = 0;
server.stat_expiredkeys = 0;
+ server.stat_rejected_conn = 0;
+ server.stat_fork_time = 0;
+ server.aof_delayed_fsync = 0;
resetCommandTableStats();
addReply(c,shared.ok);
} else {