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DEBUG DIGEST-VALUE implemented.

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antirez 2018-12-07 16:41:54 +01:00
parent e9400e8efd
commit 5a0b7212c9
1 changed files with 17 additions and 3 deletions
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20
src/debug.c
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@ -304,6 +304,7 @@ void debugCommand(client *c) {
"CHANGE-REPL-ID -- Change the replication IDs of the instance. Dangerous, should be used only for testing the replication subsystem.", "CHANGE-REPL-ID -- Change the replication IDs of the instance. Dangerous, should be used only for testing the replication subsystem.",
"CRASH-AND-RECOVER <milliseconds> -- Hard crash and restart after <milliseconds> delay.", "CRASH-AND-RECOVER <milliseconds> -- Hard crash and restart after <milliseconds> delay.",
"DIGEST -- Output a hex signature representing the current DB content.", "DIGEST -- Output a hex signature representing the current DB content.",
"DIGEST-VALUE <key-1> ... <key-N>-- Output a hex signature of the values of all the specified keys.",
"ERROR <string> -- Return a Redis protocol error with <string> as message. Useful for clients unit tests to simulate Redis errors.", "ERROR <string> -- Return a Redis protocol error with <string> as message. Useful for clients unit tests to simulate Redis errors.",
"LOG <message> -- write message to the server log.", "LOG <message> -- write message to the server log.",
"HTSTATS <dbid> -- Return hash table statistics of the specified Redis database.", "HTSTATS <dbid> -- Return hash table statistics of the specified Redis database.",
@ -506,15 +507,28 @@ NULL
} }
addReply(c,shared.ok); addReply(c,shared.ok);
} else if (!strcasecmp(c->argv[1]->ptr,"digest") && c->argc == 2) { } else if (!strcasecmp(c->argv[1]->ptr,"digest") && c->argc == 2) {
/* DEBUG DIGEST (form without keys specified) */
unsigned char digest[20]; unsigned char digest[20];
sds d = sdsempty(); sds d = sdsempty();
int j;
computeDatasetDigest(digest); computeDatasetDigest(digest);
for (j = 0; j < 20; j++) for (int i = 0; i < 20; i++) d = sdscatprintf(d, "%02x",digest[i]);
d = sdscatprintf(d, "%02x",digest[j]);
addReplyStatus(c,d); addReplyStatus(c,d);
sdsfree(d); sdsfree(d);
} else if (!strcasecmp(c->argv[1]->ptr,"digest-value") && c->argc >= 2) {
/* DEBUG DIGEST-VALUE key key key ... key. */
addReplyMultiBulkLen(c,c->argc-2);
for (int j = 2; j < c->argc; j++) {
unsigned char digest[20];
memset(digest,0,20); /* Start with a clean result */
robj *o = lookupKeyReadWithFlags(c->db,c->argv[j],LOOKUP_NOTOUCH);
if (o) xorObjectDigest(c->db,c->argv[j],digest,o);
sds d = sdsempty();
for (int i = 0; i < 20; i++) d = sdscatprintf(d, "%02x",digest[i]);
addReplyStatus(c,d);
sdsfree(d);
}
} else if (!strcasecmp(c->argv[1]->ptr,"sleep") && c->argc == 3) { } else if (!strcasecmp(c->argv[1]->ptr,"sleep") && c->argc == 3) {
double dtime = strtod(c->argv[2]->ptr,NULL); double dtime = strtod(c->argv[2]->ptr,NULL);
long long utime = dtime*1000000; long long utime = dtime*1000000;