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Modules: DEBUG DIGEST interface.

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antirez
2017-07-06 10:29:19 +02:00
parent 5d03b831d0
commit 419dacfeaf
5 changed files with 108 additions and 1 deletions
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18
src/server.h
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@ -546,6 +546,22 @@ typedef struct RedisModuleIO {
iovar.ctx = NULL; \
} while(0);
/* This is a structure used to export DEBUG DIGEST capabilities to Redis
* modules. We want to capture both the ordered and unordered elements of
* a data structure, so that a digest can be created in a way that correctly
* reflects the values. See the DEBUG DIGEST command implementation for more
* background. */
typedef struct RedisModuleDigest {
unsigned char o[20]; /* Ordered elements. */
unsigned char x[20]; /* Xored elements. */
} RedisModuleDigest;
/* Just start with a digest composed of all zero bytes. */
#define moduleInitDigestContext(mdvar) do { \
memset(mdvar.o,0,sizeof(mdvar.o)); \
memset(mdvar.x,0,sizeof(mdvar.x)); \
} while(0);
/* Objects encoding. Some kind of objects like Strings and Hashes can be
* internally represented in multiple ways. The 'encoding' field of the object
* is set to one of this fields for this object. */
@ -1993,6 +2009,8 @@ void disableWatchdog(void);
void watchdogScheduleSignal(int period);
void serverLogHexDump(int level, char *descr, void *value, size_t len);
int memtest_preserving_test(unsigned long *m, size_t bytes, int passes);
void mixDigest(unsigned char *digest, void *ptr, size_t len);
void xorDigest(unsigned char *digest, void *ptr, size_t len);
#define redisDebug(fmt, ...) \
printf("DEBUG %s:%d > " fmt "\n", __FILE__, __LINE__, __VA_ARGS__)