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CONFIG SET: memory and special field macros.

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This commit is contained in:
antirez 2015-03-11 09:02:04 +01:00
parent 3da7408359
commit 4a2a0d9e9d
1 changed files with 39 additions and 29 deletions
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68
src/config.c
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@ -625,14 +625,23 @@ void loadServerConfig(char *filename, char *options) {
} else if (!strcasecmp(c->argv[2]->ptr,_name)) { \
int yn = yesnotoi(o->ptr); \
if (yn == -1) goto badfmt; \
_var = yn; \
_var = yn;
#define config_set_numerical_field(_name,_var,min,max) \
} else if (!strcasecmp(c->argv[2]->ptr,_name)) { \
if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; \
if (min != LLONG_MIN && ll < min) goto badfmt; \
if (max != LLONG_MAX && ll > max) goto badfmt; \
_var = ll; \
_var = ll;
#define config_set_memory_field(_name,_var) \
} else if (!strcasecmp(c->argv[2]->ptr,_name)) { \
ll = memtoll(o->ptr,&err); \
if (err || ll < 0) goto badfmt; \
_var = ll;
#define config_set_special_field(_name) \
} else if (!strcasecmp(c->argv[2]->ptr,_name)) {
void configSetCommand(redisClient *c) {
robj *o;
@ -642,31 +651,24 @@ void configSetCommand(redisClient *c) {
redisAssertWithInfo(c,c->argv[3],sdsEncodedObject(c->argv[3]));
o = c->argv[3];
if (!strcasecmp(c->argv[2]->ptr,"dbfilename")) {
if (0) { /* this starts the config_set macros else-if chain. */
/* Special fields that can't be handled with general macros. */
config_set_special_field("dbfilename") {
if (!pathIsBaseName(o->ptr)) {
addReplyError(c, "dbfilename can't be a path, just a filename");
return;
}
zfree(server.rdb_filename);
server.rdb_filename = zstrdup(o->ptr);
} else if (!strcasecmp(c->argv[2]->ptr,"requirepass")) {
} config_set_special_field("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")) {
} config_set_special_field("masterauth") {
zfree(server.masterauth);
server.masterauth = ((char*)o->ptr)[0] ? zstrdup(o->ptr) : NULL;
} else if (!strcasecmp(c->argv[2]->ptr,"maxmemory")) {
ll = memtoll(o->ptr,&err);
if (err || ll < 0) goto badfmt;
server.maxmemory = ll;
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,"maxclients")) {
} config_set_special_field("maxclients") {
int orig_value = server.maxclients;
if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 1) goto badfmt;
@ -692,7 +694,7 @@ void configSetCommand(redisClient *c) {
}
}
}
} else if (!strcasecmp(c->argv[2]->ptr,"maxmemory-policy")) {
} config_set_special_field("maxmemory-policy") {
if (!strcasecmp(o->ptr,"volatile-lru")) {
server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
} else if (!strcasecmp(o->ptr,"volatile-random")) {
@ -708,7 +710,7 @@ void configSetCommand(redisClient *c) {
} else {
goto badfmt;
}
} else if (!strcasecmp(c->argv[2]->ptr,"appendfsync")) {
} config_set_special_field("appendfsync") {
if (!strcasecmp(o->ptr,"no")) {
server.aof_fsync = AOF_FSYNC_NO;
} else if (!strcasecmp(o->ptr,"everysec")) {
@ -718,7 +720,7 @@ void configSetCommand(redisClient *c) {
} else {
goto badfmt;
}
} else if (!strcasecmp(c->argv[2]->ptr,"appendonly")) {
} config_set_special_field("appendonly") {
int enable = yesnotoi(o->ptr);
if (enable == -1) goto badfmt;
@ -731,7 +733,7 @@ void configSetCommand(redisClient *c) {
return;
}
}
} else if (!strcasecmp(c->argv[2]->ptr,"save")) {
} config_set_special_field("save") {
int vlen, j;
sds *v = sdssplitlen(o->ptr,sdslen(o->ptr)," ",1,&vlen);
@ -765,12 +767,12 @@ void configSetCommand(redisClient *c) {
appendServerSaveParams(seconds, changes);
}
sdsfreesplitres(v,vlen);
} else if (!strcasecmp(c->argv[2]->ptr,"dir")) {
} config_set_special_field("dir") {
if (chdir((char*)o->ptr) == -1) {
addReplyErrorFormat(c,"Changing directory: %s", strerror(errno));
return;
}
} else if (!strcasecmp(c->argv[2]->ptr,"loglevel")) {
} config_set_special_field("loglevel") {
if (!strcasecmp(o->ptr,"warning")) {
server.verbosity = REDIS_WARNING;
} else if (!strcasecmp(o->ptr,"notice")) {
@ -782,7 +784,7 @@ void configSetCommand(redisClient *c) {
} else {
goto badfmt;
}
} else if (!strcasecmp(c->argv[2]->ptr,"client-output-buffer-limit")) {
} config_set_special_field("client-output-buffer-limit") {
int vlen, j;
sds *v = sdssplitlen(o->ptr,sdslen(o->ptr)," ",1,&vlen);
@ -827,11 +829,7 @@ void configSetCommand(redisClient *c) {
server.client_obuf_limits[class].soft_limit_seconds = soft_seconds;
}
sdsfreesplitres(v,vlen);
} else if (!strcasecmp(c->argv[2]->ptr,"repl-backlog-size")) {
ll = memtoll(o->ptr,&err);
if (err || ll < 0) goto badfmt;
resizeReplicationBacklog(ll);
} else if (!strcasecmp(c->argv[2]->ptr,"notify-keyspace-events")) {
} config_set_special_field("notify-keyspace-events") {
int flags = keyspaceEventsStringToFlags(o->ptr);
if (flags == -1) goto badfmt;
@ -839,7 +837,7 @@ void configSetCommand(redisClient *c) {
/* Boolean fields.
* config_set_bool_field(name,var). */
config_set_bool_field(
} config_set_bool_field(
"rdbcompression", server.rdb_compression) {
} config_set_bool_field(
"repl-disable-tcp-nodelay",server.repl_disable_tcp_nodelay) {
@ -932,6 +930,18 @@ void configSetCommand(redisClient *c) {
enableWatchdog(ll);
else
disableWatchdog();
/* Memory fields.
* config_set_memory_field(name,var) */
} config_set_memory_field("maxmemory",server.maxmemory) {
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();
}
} config_set_memory_field("repl-backlog-size",ll) {
resizeReplicationBacklog(ll);
}
/* Everyhing else is an error... */