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68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
#ifndef __UTIL_H__
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#define __UTIL_H__
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#include <redismodule.h>
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// make sure the response is not NULL or an error, and if it is sends the error to the client and exit the current function
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#define REDIS_ASSERT_NOERROR(r) \
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if (r == NULL) { \
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return RedisModule_ReplyWithError(ctx,"ERR reply is NULL"); \
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} else if (RedisModule_CallReplyType(r) == REDISMODULE_REPLY_ERROR) { \
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RedisModule_ReplyWithCallReply(ctx,r); \
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return REDISMODULE_ERR; \
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}
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/* RedisModule utilities. */
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/* Return the offset of an arg if it exists in the arg list, or 0 if it's not there */
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int RMUtil_ArgExists(const char *arg, RedisModuleString **argv, int argc, int offset);
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// NOT IMPLEMENTED YET
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int RMUtil_ParseArgs(RedisModuleString **argv, int argc, const char *fmt, ...);
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// A single key/value entry in a redis info map
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typedef struct {
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const char *key;
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const char *val;
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} RMUtilInfoEntry;
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// Representation of INFO command response, as a list of k/v pairs
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typedef struct {
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RMUtilInfoEntry *entries;
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int numEntries;
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} RMUtilInfo;
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/*
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* Get redis INFO result and parse it as RMUtilInfo.
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* Returns NULL if something goes wrong.
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* The resulting object needs to be freed with RMUtilRedisInfo_Free
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*/
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RMUtilInfo *RMUtil_GetRedisInfo(RedisModuleCtx *ctx);
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/*
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* Free an RMUtilInfo object and its entries
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*/
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void RMUtilRedisInfo_Free(RMUtilInfo *info);
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/**
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* Get an integer value from an info object. Returns 1 if the value was found and
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* is an integer, 0 otherwise. the value is placed in 'val'
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*/
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int RMUtilInfo_GetInt(RMUtilInfo *info, const char *key, long long *val);
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/*
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* Get a string value from an info object. The value is placed in str.
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* Returns 1 if the key was found, 0 if not
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*/
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int RMUtilInfo_GetString(RMUtilInfo *info, const char *key, const char **str);
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/*
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* Get a double value from an info object. Returns 1 if the value was found and is
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* a correctly formatted double, 0 otherwise. the value is placed in 'd'
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*/
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int RMUtilInfo_GetDouble(RMUtilInfo *info, const char *key, double *d);
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#endif
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