void createSharedObjects(void) {
int j;
/* Shared command responses */
shared.crlf = createObject(OBJ_STRING,sdsnew("\r\n"));
shared.ok = createObject(OBJ_STRING,sdsnew("+OK\r\n"));
shared.emptybulk = createObject(OBJ_STRING,sdsnew("$0\r\n\r\n"));
shared.czero = createObject(OBJ_STRING,sdsnew(":0\r\n"));
shared.cone = createObject(OBJ_STRING,sdsnew(":1\r\n"));
shared.emptyarray = createObject(OBJ_STRING,sdsnew("*0\r\n"));
shared.pong = createObject(OBJ_STRING,sdsnew("+PONG\r\n"));
shared.queued = createObject(OBJ_STRING,sdsnew("+QUEUED\r\n"));
shared.emptyscan = createObject(OBJ_STRING,sdsnew("*2\r\n$1\r\n0\r\n*0\r\n"));
shared.space = createObject(OBJ_STRING,sdsnew(" "));
shared.plus = createObject(OBJ_STRING,sdsnew("+"));
/* Shared command error responses */
shared.wrongtypeerr = createObject(OBJ_STRING,sdsnew(
"-WRONGTYPE Operation against a key holding the wrong kind of value\r\n"));
shared.err = createObject(OBJ_STRING,sdsnew("-ERR\r\n"));
shared.nokeyerr = createObject(OBJ_STRING,sdsnew(
"-ERR no such key\r\n"));
shared.syntaxerr = createObject(OBJ_STRING,sdsnew(
"-ERR syntax error\r\n"));
shared.sameobjecterr = createObject(OBJ_STRING,sdsnew(
"-ERR source and destination objects are the same\r\n"));
shared.outofrangeerr = createObject(OBJ_STRING,sdsnew(
"-ERR index out of range\r\n"));
struct redisCommand {
/* Declarative data */
const char *declared_name; /* A string representing the command declared_name.
* It is a const char * for native commands and SDS for module commands. */
const char *summary; /* Summary of the command (optional). */
const char *complexity; /* Complexity description (optional). */
const char *since; /* Debut version of the command (optional). */
int doc_flags; /* Flags for documentation (see CMD_DOC_*). */
const char *replaced_by; /* In case the command is deprecated, this is the successor command. */
const char *deprecated_since; /* In case the command is deprecated, when did it happen? */
redisCommandGroup group; /* Command group */
commandHistory *history; /* History of the command */
const char **tips; /* An array of strings that are meant to be tips for clients/proxies regarding this command */
redisCommandProc *proc; /* Command implementation */
int arity; /* Number of arguments, it is possible to use -N to say >= N */
uint64_t flags; /* Command flags, see CMD_*. */
uint64_t acl_categories; /* ACl categories, see ACL_CATEGORY_*. */
keySpec key_specs_static[STATIC_KEY_SPECS_NUM]; /* Key specs. See keySpec */
/* Use a function to determine keys arguments in a command line.
* Used for Redis Cluster redirect (may be NULL) */
redisGetKeysProc *getkeys_proc;
/* Array of subcommands (may be NULL) */
struct redisCommand *subcommands;
/* Array of arguments (may be NULL) */
struct redisCommandArg *args;
/* Runtime populated data */
/* What keys should be loaded in background when calling this command? */
long long microseconds, calls, rejected_calls, failed_calls;
int id; /* Command ID. This is a progressive ID starting from 0 that
is assigned at runtime, and is used in order to check
ACLs. A connection is able to execute a given command if
the user associated to the connection has this command
bit set in the bitmap of allowed commands. */
sds fullname; /* A SDS string representing the command fullname. */
struct hdr_histogram* latency_histogram; /*points to the command latency command histogram (unit of time nanosecond) */
keySpec *key_specs;
keySpec legacy_range_key_spec; /* The legacy (first,last,step) key spec is
* still maintained (if applicable) so that
* we can still support the reply format of
* COMMAND INFO and COMMAND GETKEYS */
int num_args;
int num_history;
int num_tips;
int key_specs_num;
int key_specs_max;
dict *subcommands_dict; /* A dictionary that holds the subcommands, the key is the subcommand sds name
* (not the fullname), and the value is the redisCommand structure pointer. */
struct redisCommand *parent;
struct RedisModuleCommand *module_cmd; /* A pointer to the module command data (NULL if native command) */
};
