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https://github.com/fluencelabs/redis
synced 2025-03-18 08:30:51 +00:00
CONFIG refactoring: configEnum abstraction.
Still many things to convert inside config.c in the next commits. Some const safety in String objects creation and addReply() family functions.
This commit is contained in:
antirez
parent
4a2a0d9e9d
commit
8e219224b9
157
src/config.c
157
src/config.c
@ -34,10 +34,26 @@
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#include <fcntl.h>
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#include <sys/stat.h>
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static struct {
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const char *name;
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const int value;
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} validSyslogFacilities[] = {
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/*-----------------------------------------------------------------------------
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* Config file name-value maps.
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*----------------------------------------------------------------------------*/
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typedef struct configEnum {
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const char *name;
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const int val;
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} configEnum;
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configEnum maxmemory_policy_enum[] = {
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{"volatile-lru", REDIS_MAXMEMORY_VOLATILE_LRU},
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{"volatile-random",REDIS_MAXMEMORY_VOLATILE_RANDOM},
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{"volatile-ttl",REDIS_MAXMEMORY_VOLATILE_TTL},
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{"allkeys-lru",REDIS_MAXMEMORY_ALLKEYS_LRU},
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{"allkeys-random",REDIS_MAXMEMORY_ALLKEYS_RANDOM},
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{"noeviction",REDIS_MAXMEMORY_NO_EVICTION},
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{NULL, 0}
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};
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configEnum syslog_facility_enum[] = {
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{"user", LOG_USER},
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{"local0", LOG_LOCAL0},
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{"local1", LOG_LOCAL1},
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@ -50,12 +66,47 @@ static struct {
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{NULL, 0}
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};
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/* Output buffer limits presets. */
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clientBufferLimitsConfig clientBufferLimitsDefaults[REDIS_CLIENT_TYPE_COUNT] = {
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{0, 0, 0}, /* normal */
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{1024*1024*256, 1024*1024*64, 60}, /* slave */
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{1024*1024*32, 1024*1024*8, 60} /* pubsub */
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};
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/*-----------------------------------------------------------------------------
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* Enum access functions
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*----------------------------------------------------------------------------*/
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/* Get enum value from name. If there is no match INT_MIN is returned. */
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int configEnumGetValue(configEnum *ce, char *name) {
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while(ce->name != NULL) {
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if (!strcasecmp(ce->name,name)) return ce->val;
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ce++;
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}
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return INT_MIN;
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}
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/* Get enum name from value. If no match is found NULL is returned. */
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const char *configEnumGetName(configEnum *ce, int val) {
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while(ce->name != NULL) {
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if (ce->val == val) return ce->name;
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ce++;
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}
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return NULL;
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}
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/* Wrapper for configEnumGetName() returning "unknown" insetad of NULL if
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* there is no match. */
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const char *configEnumGetNameOrUnknown(configEnum *ce, int val) {
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const char *name = configEnumGetName(ce,val);
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return name ? name : "unknown";
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}
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/* Used for INFO generation. */
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const char *maxmemoryToString(void) {
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return configEnumGetNameOrUnknown(maxmemory_policy_enum,server.maxmemory);
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}
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/*-----------------------------------------------------------------------------
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* Config file parsing
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*----------------------------------------------------------------------------*/
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@ -201,16 +252,9 @@ void loadServerConfigFromString(char *config) {
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if (server.syslog_ident) zfree(server.syslog_ident);
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server.syslog_ident = zstrdup(argv[1]);
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} else if (!strcasecmp(argv[0],"syslog-facility") && argc == 2) {
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int i;
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for (i = 0; validSyslogFacilities[i].name; i++) {
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if (!strcasecmp(validSyslogFacilities[i].name, argv[1])) {
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server.syslog_facility = validSyslogFacilities[i].value;
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break;
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}
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}
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if (!validSyslogFacilities[i].name) {
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server.syslog_facility =
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configEnumGetValue(syslog_facility_enum,argv[1]);
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if (server.syslog_facility == INT_MIN) {
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err = "Invalid log facility. Must be one of USER or between LOCAL0-LOCAL7";
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goto loaderr;
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}
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@ -229,19 +273,9 @@ void loadServerConfigFromString(char *config) {
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} else if (!strcasecmp(argv[0],"maxmemory") && argc == 2) {
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server.maxmemory = memtoll(argv[1],NULL);
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} else if (!strcasecmp(argv[0],"maxmemory-policy") && argc == 2) {
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if (!strcasecmp(argv[1],"volatile-lru")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
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} else if (!strcasecmp(argv[1],"volatile-random")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_RANDOM;
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} else if (!strcasecmp(argv[1],"volatile-ttl")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_TTL;
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} else if (!strcasecmp(argv[1],"allkeys-lru")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_LRU;
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} else if (!strcasecmp(argv[1],"allkeys-random")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_RANDOM;
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} else if (!strcasecmp(argv[1],"noeviction")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION;
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} else {
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server.maxmemory_policy =
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configEnumGetValue(maxmemory_policy_enum,argv[1]);
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if (server.maxmemory_policy == INT_MIN) {
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err = "Invalid maxmemory policy";
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goto loaderr;
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}
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@ -640,6 +674,12 @@ void loadServerConfig(char *filename, char *options) {
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if (err || ll < 0) goto badfmt; \
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_var = ll;
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#define config_set_enum_field(_name,_var,_enumvar) \
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} else if (!strcasecmp(c->argv[2]->ptr,_name)) { \
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int enumval = configEnumGetValue(_enumvar,o->ptr); \
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if (enumval == INT_MIN) goto badfmt; \
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_var = enumval;
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#define config_set_special_field(_name) \
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} else if (!strcasecmp(c->argv[2]->ptr,_name)) {
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@ -694,22 +734,8 @@ void configSetCommand(redisClient *c) {
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}
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}
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}
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} config_set_special_field("maxmemory-policy") {
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if (!strcasecmp(o->ptr,"volatile-lru")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
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} else if (!strcasecmp(o->ptr,"volatile-random")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_RANDOM;
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} else if (!strcasecmp(o->ptr,"volatile-ttl")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_TTL;
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} else if (!strcasecmp(o->ptr,"allkeys-lru")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_LRU;
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} else if (!strcasecmp(o->ptr,"allkeys-random")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_ALLKEYS_RANDOM;
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} else if (!strcasecmp(o->ptr,"noeviction")) {
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server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION;
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} else {
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goto badfmt;
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}
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} config_set_enum_field(
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"maxmemory-policy",server.maxmemory_policy,maxmemory_policy_enum) {
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} config_set_special_field("appendfsync") {
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if (!strcasecmp(o->ptr,"no")) {
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server.aof_fsync = AOF_FSYNC_NO;
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@ -988,19 +1014,13 @@ badfmt: /* Bad format errors */
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} \
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} while(0);
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char *maxmemoryToString() {
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char *s;
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switch(server.maxmemory_policy) {
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case REDIS_MAXMEMORY_VOLATILE_LRU: s = "volatile-lru"; break;
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case REDIS_MAXMEMORY_VOLATILE_TTL: s = "volatile-ttl"; break;
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case REDIS_MAXMEMORY_VOLATILE_RANDOM: s = "volatile-random"; break;
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case REDIS_MAXMEMORY_ALLKEYS_LRU: s = "allkeys-lru"; break;
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case REDIS_MAXMEMORY_ALLKEYS_RANDOM: s = "allkeys-random"; break;
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case REDIS_MAXMEMORY_NO_EVICTION: s = "noeviction"; break;
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default: s = "unknown"; break;
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}
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return s;
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}
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#define config_get_enum_field(_name,_var,_enumvar) do { \
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if (stringmatch(pattern,_name,0)) { \
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addReplyBulkCString(c,_name); \
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addReplyBulkCString(c,configEnumGetNameOrUnknown(_enumvar,_var)); \
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matches++; \
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} \
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} while(0);
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int supervisedToMode(const char *str) {
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int mode;
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@ -1029,6 +1049,7 @@ char *supervisedToString(void) {
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}
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return s;
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}
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void configGetCommand(redisClient *c) {
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robj *o = c->argv[2];
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void *replylen = addDeferredMultiBulkLength(c);
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@ -1119,6 +1140,10 @@ void configGetCommand(redisClient *c) {
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config_get_bool_field("aof-load-truncated",
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server.aof_load_truncated);
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/* Enum values */
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config_get_enum_field("maxmemory-policy",
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server.maxmemory_policy,maxmemory_policy_enum);
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/* Everything we can't handle with macros follows. */
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if (stringmatch(pattern,"appendonly",0)) {
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@ -1136,11 +1161,6 @@ void configGetCommand(redisClient *c) {
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addReplyBulkCString(c,buf);
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matches++;
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}
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if (stringmatch(pattern,"maxmemory-policy",0)) {
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addReplyBulkCString(c,"maxmemory-policy");
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addReplyBulkCString(c,maxmemoryToString());
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matches++;
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}
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if (stringmatch(pattern,"appendfsync",0)) {
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char *policy;
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@ -1313,7 +1333,7 @@ void rewriteConfigAddLineNumberToOption(struct rewriteConfigState *state, sds op
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* This is useful as only unused lines of processed options will be blanked
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* in the config file, while options the rewrite process does not understand
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* remain untouched. */
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void rewriteConfigMarkAsProcessed(struct rewriteConfigState *state, char *option) {
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void rewriteConfigMarkAsProcessed(struct rewriteConfigState *state, const char *option) {
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sds opt = sdsnew(option);
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if (dictAdd(state->rewritten,opt,NULL) != DICT_OK) sdsfree(opt);
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@ -1397,7 +1417,7 @@ struct rewriteConfigState *rewriteConfigReadOldFile(char *path) {
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*
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* "line" is either used, or freed, so the caller does not need to free it
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* in any way. */
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void rewriteConfigRewriteLine(struct rewriteConfigState *state, char *option, sds line, int force) {
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void rewriteConfigRewriteLine(struct rewriteConfigState *state, const char *option, sds line, int force) {
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sds o = sdsnew(option);
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list *l = dictFetchValue(state->option_to_line,o);
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@ -1536,17 +1556,12 @@ void rewriteConfigEnumOption(struct rewriteConfigState *state, char *option, int
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/* Rewrite the syslog-facility option. */
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void rewriteConfigSyslogfacilityOption(struct rewriteConfigState *state) {
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int value = server.syslog_facility, j;
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int value = server.syslog_facility;
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int force = value != LOG_LOCAL0;
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char *name = NULL, *option = "syslog-facility";
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const char *name = NULL, *option = "syslog-facility";
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sds line;
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for (j = 0; validSyslogFacilities[j].name; j++) {
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if (validSyslogFacilities[j].value == value) {
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name = (char*) validSyslogFacilities[j].name;
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break;
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}
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}
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name = configEnumGetNameOrUnknown(syslog_facility_enum,value);
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line = sdscatprintf(sdsempty(),"%s %s",option,name);
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rewriteConfigRewriteLine(state,option,line,force);
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}
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@ -175,7 +175,7 @@ robj *dupLastObjectIfNeeded(list *reply) {
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* Low level functions to add more data to output buffers.
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* -------------------------------------------------------------------------- */
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int _addReplyToBuffer(redisClient *c, char *s, size_t len) {
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int _addReplyToBuffer(redisClient *c, const char *s, size_t len) {
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size_t available = sizeof(c->buf)-c->bufpos;
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if (c->flags & REDIS_CLOSE_AFTER_REPLY) return REDIS_OK;
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@ -255,7 +255,7 @@ void _addReplySdsToList(redisClient *c, sds s) {
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asyncCloseClientOnOutputBufferLimitReached(c);
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}
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void _addReplyStringToList(redisClient *c, char *s, size_t len) {
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void _addReplyStringToList(redisClient *c, const char *s, size_t len) {
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robj *tail;
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if (c->flags & REDIS_CLOSE_AFTER_REPLY) return;
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@ -341,19 +341,19 @@ void addReplySds(redisClient *c, sds s) {
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}
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}
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void addReplyString(redisClient *c, char *s, size_t len) {
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void addReplyString(redisClient *c, const char *s, size_t len) {
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if (prepareClientToWrite(c) != REDIS_OK) return;
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if (_addReplyToBuffer(c,s,len) != REDIS_OK)
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_addReplyStringToList(c,s,len);
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}
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void addReplyErrorLength(redisClient *c, char *s, size_t len) {
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void addReplyErrorLength(redisClient *c, const char *s, size_t len) {
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addReplyString(c,"-ERR ",5);
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addReplyString(c,s,len);
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addReplyString(c,"\r\n",2);
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}
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void addReplyError(redisClient *c, char *err) {
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void addReplyError(redisClient *c, const char *err) {
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addReplyErrorLength(c,err,strlen(err));
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}
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@ -373,13 +373,13 @@ void addReplyErrorFormat(redisClient *c, const char *fmt, ...) {
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sdsfree(s);
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}
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void addReplyStatusLength(redisClient *c, char *s, size_t len) {
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void addReplyStatusLength(redisClient *c, const char *s, size_t len) {
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addReplyString(c,"+",1);
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addReplyString(c,s,len);
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addReplyString(c,"\r\n",2);
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}
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void addReplyStatus(redisClient *c, char *status) {
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void addReplyStatus(redisClient *c, const char *status) {
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addReplyStatusLength(c,status,strlen(status));
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}
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@ -519,7 +519,7 @@ void addReplyBulk(redisClient *c, robj *obj) {
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}
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/* Add a C buffer as bulk reply */
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void addReplyBulkCBuffer(redisClient *c, void *p, size_t len) {
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void addReplyBulkCBuffer(redisClient *c, const void *p, size_t len) {
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addReplyLongLongWithPrefix(c,len,'$');
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addReplyString(c,p,len);
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addReply(c,shared.crlf);
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@ -534,7 +534,7 @@ void addReplyBulkSds(redisClient *c, sds s) {
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}
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/* Add a C nul term string as bulk reply */
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void addReplyBulkCString(redisClient *c, char *s) {
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void addReplyBulkCString(redisClient *c, const char *s) {
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if (s == NULL) {
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addReply(c,shared.nullbulk);
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} else {
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@ -50,14 +50,14 @@ robj *createObject(int type, void *ptr) {
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/* Create a string object with encoding REDIS_ENCODING_RAW, that is a plain
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* string object where o->ptr points to a proper sds string. */
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robj *createRawStringObject(char *ptr, size_t len) {
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robj *createRawStringObject(const char *ptr, size_t len) {
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return createObject(REDIS_STRING,sdsnewlen(ptr,len));
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}
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/* Create a string object with encoding REDIS_ENCODING_EMBSTR, that is
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* an object where the sds string is actually an unmodifiable string
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* allocated in the same chunk as the object itself. */
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robj *createEmbeddedStringObject(char *ptr, size_t len) {
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robj *createEmbeddedStringObject(const char *ptr, size_t len) {
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robj *o = zmalloc(sizeof(robj)+sizeof(struct sdshdr)+len+1);
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struct sdshdr *sh = (void*)(o+1);
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@ -85,7 +85,7 @@ robj *createEmbeddedStringObject(char *ptr, size_t len) {
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* The current limit of 39 is chosen so that the biggest string object
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* we allocate as EMBSTR will still fit into the 64 byte arena of jemalloc. */
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#define REDIS_ENCODING_EMBSTR_SIZE_LIMIT 39
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robj *createStringObject(char *ptr, size_t len) {
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robj *createStringObject(const char *ptr, size_t len) {
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if (len <= REDIS_ENCODING_EMBSTR_SIZE_LIMIT)
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return createEmbeddedStringObject(ptr,len);
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else
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@ -2742,7 +2742,7 @@ sds genRedisInfoString(char *section) {
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char maxmemory_hmem[64];
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size_t zmalloc_used = zmalloc_used_memory();
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size_t total_system_mem = server.system_memory_size;
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char *evict_policy = maxmemoryToString();
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const char *evict_policy = maxmemoryToString();
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long long memory_lua = (long long)lua_gc(server.lua,LUA_GCCOUNT,0)*1024;
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/* Peak memory is updated from time to time by serverCron() so it
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18
src/redis.h
18
src/redis.h
@ -1053,14 +1053,14 @@ void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask);
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void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask);
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void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask);
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void addReplyBulk(redisClient *c, robj *obj);
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void addReplyBulkCString(redisClient *c, char *s);
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void addReplyBulkCBuffer(redisClient *c, void *p, size_t len);
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void addReplyBulkCString(redisClient *c, const char *s);
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void addReplyBulkCBuffer(redisClient *c, const void *p, size_t len);
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void addReplyBulkLongLong(redisClient *c, long long ll);
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void addReply(redisClient *c, robj *obj);
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void addReplySds(redisClient *c, sds s);
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void addReplyBulkSds(redisClient *c, sds s);
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void addReplyError(redisClient *c, char *err);
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void addReplyStatus(redisClient *c, char *status);
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void addReplyError(redisClient *c, const char *err);
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void addReplyStatus(redisClient *c, const char *status);
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void addReplyDouble(redisClient *c, double d);
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void addReplyLongLong(redisClient *c, long long ll);
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void addReplyMultiBulkLen(redisClient *c, long length);
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@ -1136,9 +1136,9 @@ void freeSetObject(robj *o);
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void freeZsetObject(robj *o);
|
||||
void freeHashObject(robj *o);
|
||||
robj *createObject(int type, void *ptr);
|
||||
robj *createStringObject(char *ptr, size_t len);
|
||||
robj *createRawStringObject(char *ptr, size_t len);
|
||||
robj *createEmbeddedStringObject(char *ptr, size_t len);
|
||||
robj *createStringObject(const char *ptr, size_t len);
|
||||
robj *createRawStringObject(const char *ptr, size_t len);
|
||||
robj *createEmbeddedStringObject(const char *ptr, size_t len);
|
||||
robj *dupStringObject(robj *o);
|
||||
int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
|
||||
robj *tryObjectEncoding(robj *o);
|
||||
@ -1274,7 +1274,7 @@ void closeListeningSockets(int unlink_unix_socket);
|
||||
void updateCachedTime(void);
|
||||
void resetServerStats(void);
|
||||
unsigned int getLRUClock(void);
|
||||
char *maxmemoryToString(void);
|
||||
const char *maxmemoryToString(void);
|
||||
|
||||
/* Set data type */
|
||||
robj *setTypeCreate(robj *value);
|
||||
@ -1327,7 +1327,7 @@ void loadServerConfig(char *filename, char *options);
|
||||
void appendServerSaveParams(time_t seconds, int changes);
|
||||
void resetServerSaveParams(void);
|
||||
struct rewriteConfigState; /* Forward declaration to export API. */
|
||||
void rewriteConfigRewriteLine(struct rewriteConfigState *state, char *option, sds line, int force);
|
||||
void rewriteConfigRewriteLine(struct rewriteConfigState *state, const char *option, sds line, int force);
|
||||
int rewriteConfig(char *path);
|
||||
|
||||
/* db.c -- Keyspace access API */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user