* Copyright (c) 1985,1988 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
static char sccsid
[] = "@(#)ns.c 5.8 (Berkeley) %G%";
#include <sys/socketvar.h>
#include <netinet/tcp_fsm.h>
#include <netns/ns_pcb.h>
#include <netns/idp_var.h>
#include <netns/ns_error.h>
#include <netns/spp_timer.h>
#include <netns/spp_var.h>
#include <netns/spp_debug.h>
* Print a summary of connections related to a Network Systems
* protocol. For SPP, also give state of connection.
* Listening processes (aflag) are suppressed unless the
* -a (all) flag is specified.
register struct nspcb
*prev
, *next
;
isspp
= strcmp(name
, "spp") == 0;
read(kmem
, (char *)&cb
, sizeof (struct nspcb
));
prev
= (struct nspcb
*)off
;
if (nspcb
.nsp_next
== (struct nspcb
*)off
)
for (;nspcb
.nsp_next
!= (struct nspcb
*)off
; prev
= next
) {
klseek(kmem
, (off_t
)next
, 0);
read(kmem
, (char *)&nspcb
, sizeof (nspcb
));
if (nspcb
.nsp_prev
!= prev
) {
if (!aflag
&& ns_nullhost(nspcb
.nsp_faddr
) ) {
klseek(kmem
, (off_t
)nspcb
.nsp_socket
, 0);
read(kmem
, (char *)&sockb
, sizeof (sockb
));
ppcb
= (off_t
) nspcb
.nsp_pcb
;
read(kmem
, (char *)&sppcb
, sizeof (sppcb
));
printf("Active NS connections");
printf(" (including servers)");
printf("%-8.8s ", "PCB");
"%-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)");
printf("%-5.5s %6d %6d ", name
, sockb
.so_rcv
.sb_cc
,
printf(" %-22.22s", ns_prpr(&nspcb
.nsp_laddr
));
printf(" %-22.22s", ns_prpr(&nspcb
.nsp_faddr
));
extern char *tcpstates
[];
if (sppcb
.s_state
>= TCP_NSTATES
)
printf(" %d", sppcb
.s_state
);
printf(" %s", tcpstates
[sppcb
.s_state
]);
#define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s -- %s\n",x,y,plural(x),z,"x") : 0)
* Dump SPP statistics structure.
struct spp_istat spp_istat
;
#define sppstat spp_istat.newstats
read(kmem
, (char *)&spp_istat
, sizeof (spp_istat
));
ANY(spp_istat
.nonucn
, "connection", " dropped due to no new sockets ");
ANY(spp_istat
.gonawy
, "connection", " terminated due to our end dying");
ANY(spp_istat
.nonucn
, "connection", " dropped due to inability to connect");
ANY(spp_istat
.noconn
, "connection", " dropped due to inability to connect");
ANY(spp_istat
.notme
, "connection", " incompleted due to mismatched id's");
ANY(spp_istat
.wrncon
, "connection", " dropped due to mismatched id's");
ANY(spp_istat
.bdreas
, "packet", " dropped out of sequence");
ANY(spp_istat
.lstdup
, "packet", " duplicating the highest packet");
ANY(spp_istat
.notyet
, "packet", " refused as exceeding allocation");
ANY(sppstat
.spps_connattempt
, "connection", " initiated");
ANY(sppstat
.spps_accepts
, "connection", " accepted");
ANY(sppstat
.spps_connects
, "connection", " established");
ANY(sppstat
.spps_drops
, "connection", " dropped");
ANY(sppstat
.spps_conndrops
, "embryonic connection", " dropped");
ANY(sppstat
.spps_closed
, "connection", " closed (includes drops)");
ANY(sppstat
.spps_segstimed
, "packet", " where we tried to get rtt");
ANY(sppstat
.spps_rttupdated
, "time", " we got rtt");
ANY(sppstat
.spps_delack
, "delayed ack", " sent");
ANY(sppstat
.spps_timeoutdrop
, "connection", " dropped in rxmt timeout");
ANY(sppstat
.spps_rexmttimeo
, "retransmit timeout", "");
ANY(sppstat
.spps_persisttimeo
, "persist timeout", "");
ANY(sppstat
.spps_keeptimeo
, "keepalive timeout", "");
ANY(sppstat
.spps_keepprobe
, "keepalive probe", " sent");
ANY(sppstat
.spps_keepdrops
, "connection", " dropped in keepalive");
ANY(sppstat
.spps_sndtotal
, "total packet", " sent");
ANY(sppstat
.spps_sndpack
, "data packet", " sent");
ANY(sppstat
.spps_sndbyte
, "data byte", " sent");
ANY(sppstat
.spps_sndrexmitpack
, "data packet", " retransmitted");
ANY(sppstat
.spps_sndrexmitbyte
, "data byte", " retransmitted");
ANY(sppstat
.spps_sndacks
, "ack-only packet", " sent");
ANY(sppstat
.spps_sndprobe
, "window probe", " sent");
ANY(sppstat
.spps_sndurg
, "packet", " sent with URG only");
ANY(sppstat
.spps_sndwinup
, "window update-only packet", " sent");
ANY(sppstat
.spps_sndctrl
, "control (SYN|FIN|RST) packet", " sent");
ANY(sppstat
.spps_sndvoid
, "request", " to send a non-existant packet");
ANY(sppstat
.spps_rcvtotal
, "total packet", " received");
ANY(sppstat
.spps_rcvpack
, "packet", " received in sequence");
ANY(sppstat
.spps_rcvbyte
, "byte", " received in sequence");
ANY(sppstat
.spps_rcvbadsum
, "packet", " received with ccksum errs");
ANY(sppstat
.spps_rcvbadoff
, "packet", " received with bad offset");
ANY(sppstat
.spps_rcvshort
, "packet", " received too short");
ANY(sppstat
.spps_rcvduppack
, "duplicate-only packet", " received");
ANY(sppstat
.spps_rcvdupbyte
, "duplicate-only byte", " received");
ANY(sppstat
.spps_rcvpartduppack
, "packet", " with some duplicate data");
ANY(sppstat
.spps_rcvpartdupbyte
, "dup. byte", " in part-dup. packet");
ANY(sppstat
.spps_rcvoopack
, "out-of-order packet", " received");
ANY(sppstat
.spps_rcvoobyte
, "out-of-order byte", " received");
ANY(sppstat
.spps_rcvpackafterwin
, "packet", " with data after window");
ANY(sppstat
.spps_rcvbyteafterwin
, "byte", " rcvd after window");
ANY(sppstat
.spps_rcvafterclose
, "packet", " rcvd after 'close'");
ANY(sppstat
.spps_rcvwinprobe
, "rcvd window probe packet", "");
ANY(sppstat
.spps_rcvdupack
, "rcvd duplicate ack", "");
ANY(sppstat
.spps_rcvacktoomuch
, "rcvd ack", " for unsent data");
ANY(sppstat
.spps_rcvackpack
, "rcvd ack packet", "");
ANY(sppstat
.spps_rcvackbyte
, "byte", " acked by rcvd acks");
ANY(sppstat
.spps_rcvwinupd
, "rcvd window update packet", "");
#define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s\n",x,y,plural(x),z) : 0)
* Dump IDP statistics structure.
read(kmem
, (char *)&idpstat
, sizeof (idpstat
));
ANY(idpstat
.idps_toosmall
, "packet", " smaller than a header");
ANY(idpstat
.idps_tooshort
, "packet", " smaller than advertised");
ANY(idpstat
.idps_badsum
, "packet", " with bad checksums");
{0, "Unspecified Error", " at Destination"},
{1, "Bad Checksum", " at Destination"},
{2, "No Listener", " at Socket"},
{3, "Packet", " Refused due to lack of space at Destination"},
{01000, "Unspecified Error", " while gatewayed"},
{01001, "Bad Checksum", " while gatewayed"},
{01002, "Packet", " forwarded too many times"},
{01003, "Packet", " too large to be forwarded"},
* Dump NS Error statistics structure.
struct ns_errstat ns_errstat
;
register int histoprint
= 1;
read(kmem
, (char *)&ns_errstat
, sizeof (ns_errstat
));
printf("NS error statistics:\n");
ANY(ns_errstat
.ns_es_error
, "call", " to ns_error");
ANY(ns_errstat
.ns_es_oldshort
, "error",
" ignored due to insufficient addressing");
ANY(ns_errstat
.ns_es_oldns_err
, "error request",
" in response to error packets");
ANY(ns_errstat
.ns_es_tooshort
, "error packet",
ANY(ns_errstat
.ns_es_badcode
, "error packet",
" received of unknown type");
for(j
= 0; j
< NS_ERR_MAX
; j
++) {
z
= ns_errstat
.ns_es_outhist
[j
];
printf("Output Error Histogram:\n");
ns_erputil(z
, ns_errstat
.ns_es_codes
[j
]);
for(j
= 0; j
< NS_ERR_MAX
; j
++) {
z
= ns_errstat
.ns_es_inhist
[j
];
printf("Input Error Histogram:\n");
ns_erputil(z
, ns_errstat
.ns_es_codes
[j
]);
if ((name
= ns_errnames
[j
].name
) == 0)
if (ns_errnames
[j
].code
== c
)
where
= "at destination";
sprintf(codebuf
, "Unknown XNS error code 0%o", c
);
where
= ns_errnames
[j
].where
;
static struct sockaddr_ns ssns
= {AF_NS
};
struct sockaddr_ns
*sns
= &ssns
;