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Reviewed by: jkh

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Print out summary information on receipt of SIGINFO; also, stop the
kernel printing of information and restore it on exit.  Now, it needs
an option to be quiet. ;)
This commit is contained in:
Sean Eric Fagan 1994-10-22 17:30:35 +00:00
parent b6cbdb1d7d
commit badd813805
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3792
1 changed files with 41 additions and 1 deletions
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42
sbin/ping/ping.c
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@ -67,6 +67,7 @@ static char sccsid[] = "@(#)ping.c 8.1 (Berkeley) 6/5/93";
#include <sys/file.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <termios.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
@ -136,8 +137,10 @@ double tmin = 999999999.0; /* minimum round trip time */
double tmax = 0.0; /* maximum round trip time */
double tsum = 0.0; /* sum of all times, for doing average */
int reset_kerninfo;
char *pr_addr();
void catcher(), finish();
void catcher(), finish(), status();
main(argc, argv)
int argc;
@ -149,6 +152,7 @@ main(argc, argv)
struct hostent *hp;
struct sockaddr_in *to;
struct protoent *proto;
struct termios ts;
register int i;
int ch, fdmask, hold, packlen, preload;
u_char *datap, *packet;
@ -158,6 +162,12 @@ main(argc, argv)
#endif
preload = 0;
if (tcgetattr (0, &ts) != -1) {
reset_kerninfo = !(ts.c_lflag & NOKERNINFO);
ts.c_lflag |= NOKERNINFO;
tcsetattr (0, TCSANOW, &ts);
}
datap = &outpack[8 + sizeof(struct timeval)];
while ((ch = getopt(argc, argv, "Rc:dfh:i:l:np:qrs:v")) != EOF)
switch(ch) {
@ -331,6 +341,7 @@ main(argc, argv)
(void)signal(SIGINT, finish);
(void)signal(SIGALRM, catcher);
(void)signal(SIGINFO, status);
while (preload--) /* fire off them quickies */
pinger();
@ -684,6 +695,29 @@ tvsub(out, in)
out->tv_sec -= in->tv_sec;
}
/*
* status --
* Print out statistics when SIGINFO is received.
*/
void
status()
{
double temp_min = nreceived ? tmin : 0;
(void)fprintf(stderr, "%ld/%ld packets received (%ld%%) "
"%.3f min / %.3f avg / %.3f max\n",
nreceived, ntransmitted,
(ntransmitted ?
100 - (int) (((ntransmitted - nreceived) * 100)
/ ntransmitted)
: 0),
temp_min,
((nreceived + nrepeats) ?
(tsum / (nreceived + nrepeats))/1000.0
: tsum),
tmax/ 1000.0);
}
/*
* finish --
* Print out statistics, and give up.
@ -692,6 +726,7 @@ void
finish()
{
register int i;
struct termios ts;
(void)signal(SIGINT, SIG_IGN);
(void)putchar('\n');
@ -715,6 +750,11 @@ finish()
(void)printf("round-trip min/avg/max = %.3f/%.3f/%.3f ms\n",
tmin, ((double)i) / 1000.0, tmax);
}
if (reset_kerninfo && tcgetattr (0, &ts) != -1) {
ts.c_lflag &= ~NOKERNINFO;
tcsetattr (0, TCSANOW, &ts);
}
exit(0);
}