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Add netstat(1) knob to reset net.inet.{ip|icmp|tcp|udp|igmp}.stats.

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For example, ``netstat -s -p ip -z'' will show and reset IP stats.

PR:		bin/17338
This commit is contained in:
Ruslan Ermilov 2001-06-23 17:17:59 +00:00
parent 6fe615f6bb
commit c73d99b567
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=78667
10 changed files with 43 additions and 19 deletions
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2
sys/netinet/igmp.c
View File

@ -78,7 +78,7 @@ static struct router_info *
static struct igmpstat igmpstat;
SYSCTL_STRUCT(_net_inet_igmp, IGMPCTL_STATS, stats, CTLFLAG_RD,
SYSCTL_STRUCT(_net_inet_igmp, IGMPCTL_STATS, stats, CTLFLAG_RW,
&igmpstat, igmpstat, "");
static int igmp_timers_are_running;

2
sys/netinet/ip_icmp.c
View File

@ -76,7 +76,7 @@
*/
static struct icmpstat icmpstat;
SYSCTL_STRUCT(_net_inet_icmp, ICMPCTL_STATS, stats, CTLFLAG_RD,
SYSCTL_STRUCT(_net_inet_icmp, ICMPCTL_STATS, stats, CTLFLAG_RW,
&icmpstat, icmpstat, "");
static int icmpmaskrepl = 0;

2
sys/netinet/ip_input.c
View File

@ -163,7 +163,7 @@ SYSCTL_INT(_net_inet_ip, IPCTL_INTRQDROPS, intr_queue_drops, CTLFLAG_RD,
&ipintrq.ifq_drops, 0, "Number of packets dropped from the IP input queue");
struct ipstat ipstat;
SYSCTL_STRUCT(_net_inet_ip, IPCTL_STATS, stats, CTLFLAG_RD,
SYSCTL_STRUCT(_net_inet_ip, IPCTL_STATS, stats, CTLFLAG_RW,
&ipstat, ipstat, "IP statistics (struct ipstat, netinet/ip_var.h)");
/* Packet reassembly stuff */

2
sys/netinet/tcp_input.c
View File

@ -105,7 +105,7 @@ tcp_seq tcp_iss;
tcp_cc tcp_ccgen;
struct tcpstat tcpstat;
SYSCTL_STRUCT(_net_inet_tcp, TCPCTL_STATS, stats, CTLFLAG_RD,
SYSCTL_STRUCT(_net_inet_tcp, TCPCTL_STATS, stats, CTLFLAG_RW,
&tcpstat , tcpstat, "TCP statistics (struct tcpstat, netinet/tcp_var.h)");
static int log_in_vain = 0;

2
sys/netinet/tcp_reass.c
View File

@ -105,7 +105,7 @@ tcp_seq tcp_iss;
tcp_cc tcp_ccgen;
struct tcpstat tcpstat;
SYSCTL_STRUCT(_net_inet_tcp, TCPCTL_STATS, stats, CTLFLAG_RD,
SYSCTL_STRUCT(_net_inet_tcp, TCPCTL_STATS, stats, CTLFLAG_RW,
&tcpstat , tcpstat, "TCP statistics (struct tcpstat, netinet/tcp_var.h)");
static int log_in_vain = 0;

2
sys/netinet/udp_usrreq.c
View File

@ -108,7 +108,7 @@ struct inpcbinfo udbinfo;
#endif
struct udpstat udpstat; /* from udp_var.h */
SYSCTL_STRUCT(_net_inet_udp, UDPCTL_STATS, stats, CTLFLAG_RD,
SYSCTL_STRUCT(_net_inet_udp, UDPCTL_STATS, stats, CTLFLAG_RW,
&udpstat, udpstat, "UDP statistics (struct udpstat, netinet/udp_var.h)");
static struct sockaddr_in udp_in = { sizeof(udp_in), AF_INET };

40
usr.bin/netstat/inet.c
View File

@ -348,10 +348,13 @@ protopr(u_long proto, /* for sysctl version we pass proto # */
void
tcp_stats(u_long off __unused, char *name, int af __unused)
{
struct tcpstat tcpstat;
struct tcpstat tcpstat, zerostat;
size_t len = sizeof tcpstat;
if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len, 0, 0) < 0) {
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.tcp.stats");
return;
}
@ -446,11 +449,14 @@ tcp_stats(u_long off __unused, char *name, int af __unused)
void
udp_stats(u_long off __unused, char *name, int af __unused)
{
struct udpstat udpstat;
struct udpstat udpstat, zerostat;
size_t len = sizeof udpstat;
u_long delivered;
if (sysctlbyname("net.inet.udp.stats", &udpstat, &len, 0, 0) < 0) {
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.udp.stats", &udpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.udp.stats");
return;
}
@ -497,10 +503,13 @@ udp_stats(u_long off __unused, char *name, int af __unused)
void
ip_stats(u_long off __unused, char *name, int af __unused)
{
struct ipstat ipstat;
struct ipstat ipstat, zerostat;
size_t len = sizeof ipstat;
if (sysctlbyname("net.inet.ip.stats", &ipstat, &len, 0, 0) < 0) {
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.ip.stats", &ipstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.ip.stats");
return;
}
@ -577,7 +586,7 @@ static char *icmpnames[] = {
void
icmp_stats(u_long off __unused, char *name, int af __unused)
{
struct icmpstat icmpstat;
struct icmpstat icmpstat, zerostat;
int i, first;
int mib[4]; /* CTL_NET + PF_INET + IPPROTO_ICMP + req */
size_t len;
@ -588,9 +597,13 @@ icmp_stats(u_long off __unused, char *name, int af __unused)
mib[3] = ICMPCTL_STATS;
len = sizeof icmpstat;
memset(&icmpstat, 0, len);
if (sysctl(mib, 4, &icmpstat, &len, (void *)0, 0) < 0)
return; /* XXX should complain, but not traditional */
if (zflag)
memset(&zerostat, 0, len);
if (sysctl(mib, 4, &icmpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.icmp.stats");
return;
}
printf("%s:\n", name);
@ -643,10 +656,13 @@ icmp_stats(u_long off __unused, char *name, int af __unused)
void
igmp_stats(u_long off __unused, char *name, int af __unused)
{
struct igmpstat igmpstat;
struct igmpstat igmpstat, zerostat;
size_t len = sizeof igmpstat;
if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len, 0, 0) < 0) {
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.igmp.stats");
return;
}

6
usr.bin/netstat/main.c
View File

@ -330,6 +330,7 @@ int rflag; /* show routing tables (or routing stats) */
int sflag; /* show protocol statistics */
int tflag; /* show i/f watchdog timers */
int Wflag; /* wide display */
int zflag; /* zero stats */
int interval; /* repeat interval for i/f stats */
@ -348,7 +349,7 @@ main(argc, argv)
af = AF_UNSPEC;
while ((ch = getopt(argc, argv, "Aabdf:gI:iLlM:mN:np:rSstuWw:")) != -1)
while ((ch = getopt(argc, argv, "Aabdf:gI:iLlM:mN:np:rSstuWw:z")) != -1)
switch(ch) {
case 'A':
Aflag = 1;
@ -458,6 +459,9 @@ main(argc, argv)
interval = atoi(optarg);
iflag = 1;
break;
case 'z':
zflag = 1;
break;
case '?':
default:
usage();

3
usr.bin/netstat/netstat.1
View File

@ -57,6 +57,7 @@
.Op Fl N Ar system
.Nm
.Fl s Op Fl s
.Op Fl z
.Op Fl f Ar address_family | Fl p Ar protocol
.Op Fl M Ar core
.Op Fl N Ar system
@ -272,6 +273,8 @@ some fields to overflow.
Show network interface statistics at intervals of
.Ar wait
seconds.
.It Fl z
Reset statistics.
.El
.Pp
The default display, for active sockets, shows the local

1
usr.bin/netstat/netstat.h
View File

@ -51,6 +51,7 @@ extern int rflag; /* show routing tables (or routing stats) */
extern int sflag; /* show protocol statistics */
extern int tflag; /* show i/f watchdog timers */
extern int Wflag; /* wide display */
extern int zflag; /* zero stats */
extern int interval; /* repeat interval for i/f stats */