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Add more complete rate values including IEC syntax. 

(Logical change 1.26)
This commit is contained in:
osdl.org!shemminger 2004-06-09 22:03:03 +00:00
parent 9b79281219
commit 72fc2040f5
1 changed files with 27 additions and 21 deletions
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48
tc/tc_util.c
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@ -98,8 +98,9 @@ char * sprint_tc_classid(__u32 h, char *buf)
}
/*
* NB: rates are in Kilo = 1000 but sizes are in Kilo = 1024
* according to standard usage.
* NB: rates are scaled differently depending on bits or bytes.
* if bits are requested then k == 1000
* for bytes k = 1024
*/
int get_rate(unsigned *rate, const char *str)
{
@ -109,23 +110,28 @@ int get_rate(unsigned *rate, const char *str)
if (p == str)
return -1;
if (*p) {
if (strcasecmp(p, "kbps") == 0)
bps *= 1000;
else if (strcasecmp(p, "gbps") == 0)
bps *= 1000000000.;
else if (strcasecmp(p, "gbit") == 0)
bps = (bps * 1000000000.)/8;
else if (strcasecmp(p, "mbps") == 0)
bps *= 1000000.;
else if (strcasecmp(p, "mbit") == 0)
bps = (bps * 1000000.)/8;
else if (strcasecmp(p, "kbit") == 0)
bps = (bps * 1000.) / 8;
else if (strcasecmp(p, "bps") != 0)
return -1;
} else
if (*p == 0 || strcasecmp(p, "bit") == 0)
bps /= 8;
else if (strcasecmp(p, "kbit") == 0)
bps = (bps * 1000.) / 8;
else if (strcasecmp(p, "mbit") == 0)
bps = (bps * 1000000.)/8;
else if (strcasecmp(p, "gbit") == 0)
bps = (bps * 1000000000.)/8;
else if (strcasecmp(p, "kibit") == 0)
bps *= 1024 / 8;
else if (strcasecmp(p, "mibit") == 0)
bps *= 1024*1024/8;
else if (strcasecmp(p, "gibit") == 0)
bps *= 1024*1024*1024/8;
else if (strcasecmp(p, "kbps") == 0)
bps *= 1024;
else if (strcasecmp(p, "mbps") == 0)
bps *= 1024*1024;
else if (strcasecmp(p, "gbps") == 0)
bps *= 1024*1024*1024;
else if (strcasecmp(p, "bps") != 0)
return -1;
*rate = bps;
return 0;
@ -166,11 +172,11 @@ int print_rate(char *buf, int len, __u32 rate)
double tmp = (double)rate*8;
if (tmp >= 999999 && fabs(1000000.*rint(tmp/1000000.) - tmp) < 1000)
snprintf(buf, len, "%gMbit", rint(tmp/1000000.));
snprintf(buf, len, "%gmbit", rint(tmp/1000000.));
else if (tmp >= 990 && fabs(1000.*rint(tmp/1000.) - tmp) < 10)
snprintf(buf, len, "%gKbit", rint(tmp/1000.));
snprintf(buf, len, "%gkbit", rint(tmp/1000.));
else
snprintf(buf, len, "%ubps", rate);
snprintf(buf, len, "%ubit", rate);
return 0;
}