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Add new option, -L that will listen the various listen queue lengths.

Browse Source 
Reviewed by:	Garrett Wollman <wollman@khavrinen.lcs.mit.edu>,
		Clive Lin <clive@GnatS.CirX.ORG>
This commit is contained in:
Guido van Rooij 1999-12-13 20:08:44 +00:00
parent 83350dce60
commit ac55add06c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=54574
4 changed files with 68 additions and 32 deletions
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85
usr.bin/netstat/inet.c
View File

@ -208,17 +208,26 @@ protopr(proto, name, af)
continue;
if (first) {
printf("Active Internet connections");
if (aflag)
printf(" (including servers)");
if (!Lflag) {
printf("Active Internet connections");
if (aflag)
printf(" (including servers)");
} else
printf(
"Current listen queue sizes (qlen/incqlen/maxqlen)");
putchar('\n');
if (Aflag)
printf("%-8.8s ", "Socket");
printf(Aflag ?
"%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
"%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
"Proto", "Recv-Q", "Send-Q",
"Local Address", "Foreign Address", "(state)");
if (Lflag)
printf("%-14.14s %-21.21s\n",
"Listen", "Local Address");
else
printf(Aflag ?
"%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
"%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
"Proto", "Recv-Q", "Send-Q",
"Local Address", "Foreign Address",
"(state)");
first = 0;
}
if (Aflag) {
@ -227,63 +236,81 @@ protopr(proto, name, af)
else
printf("%8lx ", (u_long)so->so_pcb);
}
printf("%-3.3s%s%s %6ld %6ld ", name,
(inp->inp_vflag & INP_IPV4) ? "4" : "",
if (Lflag)
if (so->so_qlimit) {
char buf[15];
snprintf(buf, 15, "%d/%d/%d", so->so_qlen,
so->so_incqlen, so->so_qlimit);
printf("%-14.14s ", buf);
} else
continue;
else
printf("%-3.3s%s%s %6ld %6ld ", name,
(inp->inp_vflag & INP_IPV4) ? "4" : "",
#ifdef INET6
(inp->inp_vflag & INP_IPV6) ? "6" :
(inp->inp_vflag & INP_IPV6) ? "6" :
#endif
"",
so->so_rcv.sb_cc,
so->so_snd.sb_cc);
"",
so->so_rcv.sb_cc,
so->so_snd.sb_cc);
if (nflag) {
if (inp->inp_vflag & INP_IPV4) {
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
name, 1);
inetprint(&inp->inp_faddr, (int)inp->inp_fport,
name, 1);
if (!Lflag)
inetprint(&inp->inp_faddr,
(int)inp->inp_fport, name, 1);
}
#ifdef INET6
else if (inp->inp_vflag & INP_IPV6) {
inet6print(&inp->in6p_laddr,
(int)inp->inp_lport, name, 1);
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name, 1);
if (!Lflag)
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name, 1);
} /* else nothing printed now */
#endif /* INET6 */
} else if (inp->inp_flags & INP_ANONPORT) {
if (inp->inp_vflag & INP_IPV4) {
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
name, 1);
inetprint(&inp->inp_faddr, (int)inp->inp_fport,
name, 0);
if (!Lflag)
inetprint(&inp->inp_faddr,
(int)inp->inp_fport, name, 0);
}
#ifdef INET6
else if (inp->inp_vflag & INP_IPV6) {
inet6print(&inp->in6p_laddr,
(int)inp->inp_lport, name, 1);
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name, 0);
if (!Lflag)
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name, 0);
} /* else nothing printed now */
#endif /* INET6 */
} else {
if (inp->inp_vflag & INP_IPV4) {
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
name, 0);
inetprint(&inp->inp_faddr, (int)inp->inp_fport,
name,
inp->inp_lport != inp->inp_fport);
if (!Lflag)
inetprint(&inp->inp_faddr,
(int)inp->inp_fport, name,
inp->inp_lport !=
inp->inp_fport);
}
#ifdef INET6
else if (inp->inp_vflag & INP_IPV6) {
inet6print(&inp->in6p_laddr,
(int)inp->inp_lport, name, 0);
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name,
inp->inp_lport != inp->inp_fport);
if (!Lflag)
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name,
inp->inp_lport !=
inp->inp_fport);
} /* else nothing printed now */
#endif /* INET6 */
}
if (istcp) {
if (istcp && !Lflag) {
if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
printf("%d", tp->t_state);
else {

7
usr.bin/netstat/main.c
View File

@ -290,7 +290,7 @@ main(argc, argv)
af = AF_UNSPEC;
while ((ch = getopt(argc, argv, "Aabdf:ghI:liM:mN:np:rstuw:")) != -1)
while ((ch = getopt(argc, argv, "Aabdf:ghI:lLiM:mN:np:rstuw:")) != -1)
switch(ch) {
case 'A':
Aflag = 1;
@ -351,6 +351,9 @@ main(argc, argv)
case 'l':
lflag = 1;
break;
case 'L':
Lflag = 1;
break;
case 'M':
memf = optarg;
break;
@ -529,7 +532,7 @@ main(argc, argv)
for (tp = isoprotox; tp->pr_name; tp++)
printproto(tp, tp->pr_name);
#endif
if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
if ((af == AF_UNIX || af == AF_UNSPEC) && !Lflag && !sflag)
unixpr();
exit(0);
}

7
usr.bin/netstat/netstat.1
View File

@ -40,7 +40,7 @@
.Nd show network status
.Sh SYNOPSIS
.Nm netstat
.Op Fl Aan
.Op Fl AaLn
.Op Fl f Ar address_family
.Op Fl M Ar core
.Op Fl N Ar system
@ -197,6 +197,11 @@ for the specfied
or
.Ar protocol,
respectively.
.It Fl L
Show the size of the various listen queues. The first count shows the
number of unaccepted connections.
The second count shows the amount of unaccepted incomplete connections.
The third count is the maximum number of queued connections.
.It Fl M
Extract values associated with the name list from the specified core
instead of the default

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

@ -43,6 +43,7 @@ int dflag; /* show i/f dropped packets */
int gflag; /* show group (multicast) routing or stats */
int iflag; /* show interfaces */
int lflag; /* show routing table with use and ref */
int Lflag; /* show size of listen queues */
int mflag; /* show memory stats */
int nflag; /* show addresses numerically */
int pflag; /* show given protocol */