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CONFIG REWRITE: when rewriting amount of bytes use GB, MB, KB if possible.

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This commit is contained in:
antirez 2013-05-15 11:33:02 +02:00
parent c590e18d15
commit 8a44e6c490
1 changed files with 31 additions and 7 deletions
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38
src/config.c
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@ -1231,13 +1231,34 @@ void rewriteConfigRewriteLine(struct rewriteConfigState *state, char *option, sd
sdsfree(o);
}
/* Write the long long 'bytes' value as a string in a way that is parsable
* inside redis.conf. If possible uses the GB, MB, KB notation. */
int rewriteConfigFormatMemory(char *buf, size_t len, long long bytes) {
int gb = 1024*1024*1024;
int mb = 1024*1024;
int kb = 1024;
if (bytes && (bytes % gb) == 0) {
return snprintf(buf,len,"%lldgb",bytes/gb);
} else if (bytes && (bytes % mb) == 0) {
return snprintf(buf,len,"%lldmb",bytes/mb);
} else if (bytes && (bytes % kb) == 0) {
return snprintf(buf,len,"%lldkb",bytes/kb);
} else {
return snprintf(buf,len,"%lld",bytes);
}
}
/* Rewrite a simple "option-name <bytes>" configuration option. */
void rewriteConfigBytesOption(struct rewriteConfigState *state, char *option, long long value, long long defvalue) {
char buf[64];
int force = value != defvalue;
/* TODO: check if we can write it using MB, GB, or other suffixes. */
sds line = sdscatprintf(sdsempty(),"%s %lld",option,value);
sds line;
rewriteConfigFormatMemory(buf,sizeof(buf),value);
line = sdscatprintf(sdsempty(),"%s %s",option,buf);
rewriteConfigRewriteLine(state,option,line,force);
}
/* Rewrite a yes/no option. */
@ -1401,12 +1422,15 @@ void rewriteConfigClientoutputbufferlimitOption(struct rewriteConfigState *state
(server.client_obuf_limits[j].soft_limit_seconds !=
clientBufferLimitsDefaults[j].soft_limit_seconds);
sds line;
char hard[64], soft[64];
line = sdscatprintf(sdsempty(),"%s %s %llu %llu %ld",
option,
getClientLimitClassName(j),
server.client_obuf_limits[j].hard_limit_bytes,
server.client_obuf_limits[j].soft_limit_bytes,
rewriteConfigFormatMemory(hard,sizeof(hard),
server.client_obuf_limits[j].hard_limit_bytes);
rewriteConfigFormatMemory(soft,sizeof(soft),
server.client_obuf_limits[j].soft_limit_bytes);
line = sdscatprintf(sdsempty(),"%s %s %s %s %ld",
option, getClientLimitClassName(j), hard, soft,
(long) server.client_obuf_limits[j].soft_limit_seconds);
rewriteConfigRewriteLine(state,option,line,force);
}