From e388315a03bcec355abc7bae4e0467e9e453284b Mon Sep 17 00:00:00 2001 From: Vadim Kochan Date: Mon, 13 Jul 2015 23:03:09 +0300 Subject: flowtop: Show flow bytes in human readable format Print flow bytes amount in human readable format units (G,M,K). Signed-off-by: Vadim Kochan [tklauser: Make bandw2str static, change arg type, formatting] Signed-off-by: Tobias Klauser --- flowtop.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) (limited to 'flowtop.c') diff --git a/flowtop.c b/flowtop.c index 083d16b..a6f8fc1 100644 --- a/flowtop.c +++ b/flowtop.c @@ -806,6 +806,20 @@ static uint16_t presenter_get_port(uint16_t src, uint16_t dst, int tcp) } } +static char *bandw2str(double bytes, char *buf, size_t len) +{ + if (bytes > 1000000000.) + snprintf(buf, len, "%.1fG", bytes / 1000000000.); + if (bytes > 1000000.) + snprintf(buf, len, "%.1fM", bytes / 1000000.); + else if (bytes > 1000.) + snprintf(buf, len, "%.1fK", bytes / 1000.); + else + snprintf(buf, len, "%g", bytes); + + return buf; +} + static void presenter_screen_do_line(WINDOW *screen, struct flow_entry *n, unsigned int *line) { @@ -870,9 +884,13 @@ static void presenter_screen_do_line(WINDOW *screen, struct flow_entry *n, printw(" ->"); /* Number packets, bytes */ - if (n->counter_pkts > 0 && n->counter_bytes > 0) - printw(" (%"PRIu64" pkts, %"PRIu64" bytes) ->", - n->counter_pkts, n->counter_bytes); + if (n->counter_pkts > 0 && n->counter_bytes > 0) { + char bytes_str[64]; + + printw(" (%"PRIu64" pkts, %s bytes) ->", n->counter_pkts, + bandw2str(n->counter_bytes, bytes_str, + sizeof(bytes_str) - 1)); + } /* Show source information: reverse DNS, port, country, city */ if (show_src) { -- cgit v1.2.3-54-g00ecf