Add a mode to display ICMP statistics.

Inspired by:	IRIX netstat -C

1 files changed, 283 insertions, 0 deletions

diff --git a/usr.bin/systat/icmp.c b/usr.bin/systat/icmp.c
new file mode 100644
index 0000000..458aa84
--- /dev/null
+++ b/usr.bin/systat/icmp.c
@@ -0,0 +1,283 @@
+/*-
+ * Copyright (c) 1980, 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+/* From:
+static char sccsid[] = "@(#)mbufs.c	8.1 (Berkeley) 6/6/93";
+static const char rcsid[] =
+	"Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp";
+*/
+static const char rcsid[] =
+	"$Id$";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h>
+#include <netinet/icmp_var.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <paths.h>
+#include "systat.h"
+#include "extern.h"
+#include "mode.h"
+
+static struct icmpstat icmpstat, initstat, oldstat;
+
+/*-
+--0         1         2         3         4         5         6         7
+--0123456789012345678901234567890123456789012345678901234567890123456789012345
+01          ICMP Input                         ICMP Output
+02999999999 total messages           999999999 total messages
+03999999999 with bad code            999999999 errors generated
+04999999999 with bad length          999999999 suppressed - original too short
+05999999999 with bad checksum        999999999 suppressed - original was ICMP
+06999999999 with insufficient data   999999999 responses sent
+07                                   999999999 suppressed - multicast echo
+08                                   999999999 suppressed - multicast tstamp
+09
+10          Input Histogram                    Output Histogram
+11999999999 echo response            999999999 echo response
+12999999999 echo request             999999999 echo request
+13999999999 destination unreachable  999999999 destination unreachable
+14999999999 redirect                 999999999 redirect
+15999999999 time-to-live exceeded    999999999 time-to-line exceeded
+16999999999 parameter problem        999999999 parameter problem
+17999999999 router advertisement     999999999 router solicitation
+18
+19
+--0123456789012345678901234567890123456789012345678901234567890123456789012345
+--0         1         2         3         4         5         6         7
+*/
+
+WINDOW *
+openicmp(void)
+{
+	return (subwin(stdscr, LINES-5-1, 0, 5, 0));
+}
+
+void
+closeicmp(w)
+	WINDOW *w;
+{
+	if (w == NULL)
+		return;
+	wclear(w);
+	wrefresh(w);
+	delwin(w);
+}
+
+void
+labelicmp(void)
+{
+	wmove(wnd, 0, 0); wclrtoeol(wnd);
+#define L(row, str) mvwprintw(wnd, row, 10, str)
+#define R(row, str) mvwprintw(wnd, row, 45, str);
+	L(1, "ICMP Input");		R(1, "ICMP Output");
+	L(2, "total messages");		R(2, "total messages");
+	L(3, "with bad code");		R(3, "errors generated");
+	L(4, "with bad length");	R(4, "suppressed - original too short");
+	L(5, "with bad checksum");	R(5, "suppressed - original was ICMP");
+	L(6, "with insufficient data");	R(6, "responses sent");
+	;				R(7, "suppressed - multicast echo");
+	;				R(8, "suppressed - multicast tstamp");
+	L(10, "Input Histogram");	R(10, "Output Histogram");
+#define B(row, str) L(row, str); R(row, str)
+	B(11, "echo response");
+	B(12, "echo request");
+	B(13, "destination unreachable");
+	B(14, "redirect");
+	B(15, "time-to-live exceeded");
+	B(16, "parameter problem");
+	L(17, "router advertisement");	R(17, "router solicitation");
+#undef L
+#undef R
+#undef B
+}
+
+static void
+domode(struct icmpstat *ret)
+{
+	const struct icmpstat *sub;
+	int i, divisor = 1;
+
+	switch(currentmode) {
+	case display_RATE:
+		sub = &oldstat;
+		divisor = naptime;
+		break;
+	case display_DELTA:
+		sub = &oldstat;
+		break;
+	case display_SINCE:
+		sub = &initstat;
+		break;
+	default:
+		*ret = icmpstat;
+		return;
+	}
+#define DO(stat) ret->stat = (icmpstat.stat - sub->stat) / divisor
+	DO(icps_error);
+	DO(icps_oldshort);
+	DO(icps_oldicmp);
+	for (i = 0; i <= ICMP_MAXTYPE; i++) {
+		DO(icps_outhist[i]);
+	}
+	DO(icps_badcode);
+	DO(icps_tooshort);
+	DO(icps_checksum);
+	DO(icps_badlen);
+	DO(icps_reflect);
+	for (i = 0; i <= ICMP_MAXTYPE; i++) {
+		DO(icps_inhist[i]);
+	}
+	DO(icps_bmcastecho);
+	DO(icps_bmcasttstamp);
+#undef DO
+}
+	
+void
+showicmp(void)
+{
+	struct icmpstat stats;
+	u_long totalin, totalout;
+	int i;
+
+	memset(&stats, 0, sizeof stats);
+	domode(&stats);
+	for (i = totalin = totalout = 0; i <= ICMP_MAXTYPE; i++) {
+		totalin += stats.icps_inhist[i];
+		totalout += stats.icps_outhist[i];
+	}
+	totalin += stats.icps_badcode + stats.icps_badlen + 
+		stats.icps_checksum + stats.icps_tooshort;
+	mvwprintw(wnd, 2, 0, "%9lu", totalin);
+	mvwprintw(wnd, 2, 35, "%9lu", totalout);
+
+#define DO(stat, row, col) \
+	mvwprintw(wnd, row, col, "%9lu", stats.stat)
+
+	DO(icps_badcode, 3, 0);
+	DO(icps_badlen, 4, 0);
+	DO(icps_checksum, 5, 0);
+	DO(icps_tooshort, 6, 0);
+	DO(icps_error, 3, 35);
+	DO(icps_oldshort, 4, 35);
+	DO(icps_oldicmp, 5, 35);
+	DO(icps_reflect, 6, 35);
+	DO(icps_bmcastecho, 7, 35);
+	DO(icps_bmcasttstamp, 8, 35);
+#define DO2(type, row) DO(icps_inhist[type], row, 0); DO(icps_outhist[type], \
+							 row, 35)
+	DO2(ICMP_ECHOREPLY, 11);
+	DO2(ICMP_ECHO, 12);
+	DO2(ICMP_UNREACH, 13);
+	DO2(ICMP_REDIRECT, 14);
+	DO2(ICMP_TIMXCEED, 15);
+	DO2(ICMP_PARAMPROB, 16);
+	DO(icps_inhist[ICMP_ROUTERADVERT], 17, 0);
+	DO(icps_outhist[ICMP_ROUTERSOLICIT], 17, 35);
+#undef DO
+#undef DO2
+}
+
+int
+initicmp(void)
+{
+	size_t len;
+	int name[4];
+
+	name[0] = CTL_NET;
+	name[1] = PF_INET;
+	name[2] = IPPROTO_ICMP;
+	name[3] = ICMPCTL_STATS;
+
+	len = 0;
+	if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
+		error("sysctl getting icmpstat size failed");
+		return 0;
+	}
+	if (len > sizeof icmpstat) {
+		error("icmpstat structure has grown--recompile systat!");
+		return 0;
+	}
+	if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
+		error("sysctl getting icmpstat size failed");
+		return 0;
+	}
+	oldstat = initstat;
+	return 1;
+}
+
+void
+reseticmp(void)
+{
+	size_t len;
+	int name[4];
+
+	name[0] = CTL_NET;
+	name[1] = PF_INET;
+	name[2] = IPPROTO_ICMP;
+	name[3] = ICMPCTL_STATS;
+
+	len = sizeof initstat;
+	if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
+		error("sysctl getting icmpstat size failed");
+	}
+	oldstat = initstat;
+}
+
+void
+fetchicmp(void)
+{
+	int name[4];
+	size_t len;
+
+	oldstat = icmpstat;
+	name[0] = CTL_NET;
+	name[1] = PF_INET;
+	name[2] = IPPROTO_ICMP;
+	name[3] = ICMPCTL_STATS;
+	len = sizeof icmpstat;
+
+	if (sysctl(name, 4, &icmpstat, &len, 0, 0) < 0)
+		return;
+}
+