Add -b,--bits command line option for show rate in bits.
Signed-off-by: Vadim Kochan <[email protected]>
---
flowtop.8 | 3 +++
flowtop.c | 29 ++++++++++++++++++++++++-----
2 files changed, 27 insertions(+), 5 deletions(-)
diff --git a/flowtop.8 b/flowtop.8
index d85284a..292f6e0 100644
--- a/flowtop.8
+++ b/flowtop.8
@@ -125,6 +125,9 @@ separated by a newline.
.SS -t <time>, --interval <time>
Flow info refresh interval in seconds, default is 1s.
.PP
+.SS -b, --bits
+Show rate in bits instead of bytes
+.PP
.SS -v, --version
Show version information and exit.
.PP
diff --git a/flowtop.c b/flowtop.c
index 7573780..eddf233 100644
--- a/flowtop.c
+++ b/flowtop.c
@@ -104,6 +104,11 @@ struct sysctl_params_ctx {
int nfct_tstamp;
};
+enum rate_units {
+ RATE_BITS,
+ RATE_BYTES
+};
+
static volatile bool is_flow_collecting;
static volatile sig_atomic_t sigint = 0;
static int what = INCLUDE_IPV4 | INCLUDE_IPV6 | INCLUDE_TCP;
@@ -114,8 +119,9 @@ static unsigned int interval = 1;
static bool show_src = false;
static bool resolve_dns = true;
static bool resolve_geoip = true;
+static enum rate_units rate_type = RATE_BYTES;
-static const char *short_options = "vhTUsDIS46ut:nG";
+static const char *short_options = "vhTUsDIS46ut:nGb";
static const struct option long_options[] = {
{"ipv4", no_argument, NULL, '4'},
{"ipv6", no_argument, NULL, '6'},
@@ -129,6 +135,7 @@ static const struct option long_options[] = {
{"show-src", no_argument, NULL, 's'},
{"update", no_argument, NULL, 'u'},
{"interval", required_argument, NULL, 't'},
+ {"bits", no_argument, NULL, 'b'},
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
@@ -263,6 +270,7 @@ static void help(void)
" -s|--show-src Also show source, not only dest\n"
" -u|--update Update GeoIP databases\n"
" -t|--interval <time> Refresh time in seconds (default 1s)\n"
+ " -b|--bits Show rate in bits instead of bytes\n"
" -v|--version Print version and exit\n"
" -h|--help Print this help and exit\n\n"
"Examples:\n"
@@ -821,14 +829,22 @@ static char *bandw2str(double bytes, char *buf, size_t
len)
static char *rate2str(double rate, char *buf, size_t len)
{
+ char *unit_fmt[2][4] = {
+ { "%.1fGbit/s", "%.1fMbit/s", "%.1fkbit/s", "%gbit/s" },
+ { "%.1fGB/s", "%.1fMB/s", "%.1fkB/s", "%gB/s" }
+ };
+
+ if (rate_type == RATE_BITS)
+ rate *= 8;
+
if (rate > 1000000000.)
- snprintf(buf, len, "%.1fGB/s", rate / 1000000000.);
+ snprintf(buf, len, unit_fmt[rate_type][0], rate / 1000000000.);
else if (rate > 1000000.)
- snprintf(buf, len, "%.1fMB/s", rate / 1000000.);
+ snprintf(buf, len, unit_fmt[rate_type][1], rate / 1000000.);
else if (rate > 1000.)
- snprintf(buf, len, "%.1fkB/s", rate / 1000.);
+ snprintf(buf, len, unit_fmt[rate_type][2], rate / 1000.);
else
- snprintf(buf, len, "%gB/s", rate);
+ snprintf(buf, len, unit_fmt[rate_type][3], rate);
return buf;
}
@@ -1546,6 +1562,9 @@ int main(int argc, char **argv)
case 'G':
resolve_geoip = false;
break;
+ case 'b':
+ rate_type = RATE_BITS;
+ break;
case 'h':
help();
break;
--
2.6.1
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