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curl: add --rate to set max request rate per time unit

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--rate "12/m" - for 12 per minute or
--rate "5/h" - for 5 per hour

Removed from TODO

Closes #8671
This commit is contained in:
Daniel Stenberg 2022-05-23 17:59:56 +02:00
parent 64641d2170
commit 8f48b5d783
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GPG key ID: 5CC908FDB71E12C2
8 changed files with 103 additions and 15 deletions
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46
src/tool_getparam.c
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@ -93,6 +93,7 @@ static const struct LongShort aliases[]= {
{"*h", "trace-ascii", ARG_FILENAME},
{"*H", "alpn", ARG_BOOL},
{"*i", "limit-rate", ARG_STRING},
{"*I", "rate", ARG_STRING},
{"*j", "compressed", ARG_BOOL},
{"*J", "tr-encoding", ARG_BOOL},
{"*k", "digest", ARG_BOOL},
@ -738,6 +739,51 @@ ParameterError getparameter(const char *flag, /* f or -long-flag */
config->sendpersecond = value;
}
break;
case 'I': /* --rate (request rate) */
{
/* support a few different suffixes, extract the suffix first, then
get the number and convert to per hour.
/s == per second
/m == per minute
/h == per hour (default)
/d == per day (24 hours)
*/
char *div = strchr(nextarg, '/');
char number[26];
long denominator;
long numerator = 60*60*1000; /* default per hour */
size_t numlen = div ? (size_t)(div - nextarg) : strlen(nextarg);
if(numlen > sizeof(number)-1)
return PARAM_NUMBER_TOO_LARGE;
strncpy(number, nextarg, numlen);
number[numlen] = 0;
err = str2unum(&denominator, number);
if(err)
return err;
if(denominator < 1)
return PARAM_BAD_USE;
if(div) {
char unit = div[1];
switch(unit) {
case 's': /* per second */
numerator = 1000;
break;
case 'm': /* per minute */
numerator = 60*1000;
break;
case 'h': /* per hour */
break;
case 'd': /* per day */
numerator = 24*60*60*1000;
break;
default:
errorf(global, "unsupported --rate unit\n");
return PARAM_BAD_USE;
}
}
global->ms_per_transfer = numerator/denominator;
}
break;
case 'j': /* --compressed */
if(toggle &&