[qemu.git] / slirp / debug.c

/*
 * Copyright (c) 1995 Danny Gasparovski.
 * Portions copyright (c) 2000 Kelly Price.
 *
 * Please read the file COPYRIGHT for the
 * terms and conditions of the copyright.
 */

#include <slirp.h>

FILE *dfd = NULL;
#ifdef DEBUG
int dostats = 1;
#else
int dostats = 0;
#endif
int slirp_debug = 0;

/* Carry over one item from main.c so that the tty's restored.
 * Only done when the tty being used is /dev/tty --RedWolf */
#ifndef CONFIG_QEMU
extern struct termios slirp_tty_settings;
extern int slirp_tty_restore;


void
debug_init(file, dbg)
	char *file;
	int dbg;
{
	/* Close the old debugging file */
	if (dfd)
	   fclose(dfd);

	dfd = fopen(file,"w");
	if (dfd != NULL) {
#if 0
		fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION);
#endif
		fprintf(dfd,"Debugging Started level %i.\r\n",dbg);
		fflush(dfd);
		slirp_debug = dbg;
	} else {
		lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n",
			file, strerror(errno));
	}
}

/*
 * Dump a packet in the same format as tcpdump -x
 */
#ifdef DEBUG
void
dump_packet(dat, n)
	void *dat;
	int n;
{
	u_char *pptr = (u_char *)dat;
	int j,k;

	n /= 16;
	n++;
	DEBUG_MISC((dfd, "PACKET DUMPED: \n"));
	for(j = 0; j < n; j++) {
		for(k = 0; k < 6; k++)
			DEBUG_MISC((dfd, "%02x ", *pptr++));
		DEBUG_MISC((dfd, "\n"));
		fflush(dfd);
	}
}
#endif
#endif

#ifdef LOG_ENABLED
#if 0
/*
 * Statistic routines
 *
 * These will print statistics to the screen, the debug file (dfd), or
 * a buffer, depending on "type", so that the stats can be sent over
 * the link as well.
 */

static void
ttystats(ttyp)
	struct ttys *ttyp;
{
	struct slirp_ifstats *is = &ttyp->ifstats;
	char buff[512];

	lprint(" \r\n");

	if (IF_COMP & IF_COMPRESS)
	   strcpy(buff, "on");
	else if (IF_COMP & IF_NOCOMPRESS)
	   strcpy(buff, "off");
	else
	   strcpy(buff, "off (for now)");
	lprint("Unit %d:\r\n", ttyp->unit);
	lprint("  using %s encapsulation (VJ compression is %s)\r\n", (
#ifdef USE_PPP
	       ttyp->proto==PROTO_PPP?"PPP":
#endif
	       "SLIP"), buff);
	lprint("  %d baudrate\r\n", ttyp->baud);
	lprint("  interface is %s\r\n", ttyp->up?"up":"down");
	lprint("  using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid);
#ifndef FULL_BOLT
	lprint("  towrite is %d bytes\r\n", ttyp->towrite);
#endif
	if (ttyp->zeros)
	   lprint("  %d zeros have been typed\r\n", ttyp->zeros);
	else if (ttyp->ones)
	   lprint("  %d ones have been typed\r\n", ttyp->ones);
	lprint("Interface stats:\r\n");
	lprint("  %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes);
	lprint("  %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes);
	lprint("  %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes);
	lprint("  %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes);
	lprint("  %6d bad input packets\r\n", is->in_mbad);
}

static void
allttystats(void)
{
	struct ttys *ttyp;

	for (ttyp = ttys; ttyp; ttyp = ttyp->next)
	   ttystats(ttyp);
}
#endif

static void
ipstats(void)
{
	lprint(" \r\n");

	lprint("IP stats:\r\n");
	lprint("  %6d total packets received (%d were unaligned)\r\n",
			ipstat.ips_total, ipstat.ips_unaligned);
	lprint("  %6d with incorrect version\r\n", ipstat.ips_badvers);
	lprint("  %6d with bad header checksum\r\n", ipstat.ips_badsum);
	lprint("  %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort);
	lprint("  %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall);
	lprint("  %6d with bad header length\r\n", ipstat.ips_badhlen);
	lprint("  %6d with bad packet length\r\n", ipstat.ips_badlen);
	lprint("  %6d fragments received\r\n", ipstat.ips_fragments);
	lprint("  %6d fragments dropped\r\n", ipstat.ips_fragdropped);
	lprint("  %6d fragments timed out\r\n", ipstat.ips_fragtimeout);
	lprint("  %6d packets reassembled ok\r\n", ipstat.ips_reassembled);
	lprint("  %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented);
	lprint("  %6d total outgoing fragments\r\n", ipstat.ips_ofragments);
	lprint("  %6d with bad protocol field\r\n", ipstat.ips_noproto);
	lprint("  %6d total packets delivered\r\n", ipstat.ips_delivered);
}

#ifndef CONFIG_QEMU
static void
vjstats(void)
{
	lprint(" \r\n");

	lprint("VJ compression stats:\r\n");

	lprint("  %6d outbound packets (%d compressed)\r\n",
	       comp_s.sls_packets, comp_s.sls_compressed);
	lprint("  %6d searches for connection stats (%d misses)\r\n",
	       comp_s.sls_searches, comp_s.sls_misses);
	lprint("  %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin);
	lprint("  %6d inbound compressed packets\r\n", comp_s.sls_compressedin);
	lprint("  %6d inbound unknown type packets\r\n", comp_s.sls_errorin);
	lprint("  %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed);
}
#endif

static void
tcpstats(void)
{
	lprint(" \r\n");

	lprint("TCP stats:\r\n");

	lprint("  %6d packets sent\r\n", tcpstat.tcps_sndtotal);
	lprint("          %6d data packets (%d bytes)\r\n",
			tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte);
	lprint("          %6d data packets retransmitted (%d bytes)\r\n",
			tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte);
	lprint("          %6d ack-only packets (%d delayed)\r\n",
			tcpstat.tcps_sndacks, tcpstat.tcps_delack);
	lprint("          %6d URG only packets\r\n", tcpstat.tcps_sndurg);
	lprint("          %6d window probe packets\r\n", tcpstat.tcps_sndprobe);
	lprint("          %6d window update packets\r\n", tcpstat.tcps_sndwinup);
	lprint("          %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl);
	lprint("          %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin);

	lprint("  %6d packets received\r\n", tcpstat.tcps_rcvtotal);
	lprint("          %6d acks (for %d bytes)\r\n",
			tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte);
	lprint("          %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack);
	lprint("          %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch);
	lprint("          %6d packets received in sequence (%d bytes)\r\n",
			tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte);
        lprint("          %6d completely duplicate packets (%d bytes)\r\n",
			tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte);

	lprint("          %6d packets with some duplicate data (%d bytes duped)\r\n",
			tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte);
	lprint("          %6d out-of-order packets (%d bytes)\r\n",
			tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte);
	lprint("          %6d packets of data after window (%d bytes)\r\n",
			tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin);
	lprint("          %6d window probes\r\n", tcpstat.tcps_rcvwinprobe);
	lprint("          %6d window update packets\r\n", tcpstat.tcps_rcvwinupd);
	lprint("          %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose);
	lprint("          %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum);
	lprint("          %6d discarded for bad header offset fields\r\n",
			tcpstat.tcps_rcvbadoff);

	lprint("  %6d connection requests\r\n", tcpstat.tcps_connattempt);
	lprint("  %6d connection accepts\r\n", tcpstat.tcps_accepts);
	lprint("  %6d connections established (including accepts)\r\n", tcpstat.tcps_connects);
	lprint("  %6d connections closed (including %d drop)\r\n",
			tcpstat.tcps_closed, tcpstat.tcps_drops);
	lprint("  %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops);
	lprint("  %6d segments we tried to get rtt (%d succeeded)\r\n",
			tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated);
	lprint("  %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo);
	lprint("          %6d connections dropped by rxmt timeout\r\n",
			tcpstat.tcps_timeoutdrop);
	lprint("  %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo);
	lprint("  %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo);
	lprint("          %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe);
	lprint("          %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops);
	lprint("  %6d correct ACK header predictions\r\n", tcpstat.tcps_predack);
	lprint("  %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
	lprint("  %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss);


/*	lprint("    Packets received too short:		%d\r\n", tcpstat.tcps_rcvshort); */
/*	lprint("    Segments dropped due to PAWS:	%d\r\n", tcpstat.tcps_pawsdrop); */

}

static void
udpstats(void)
{
        lprint(" \r\n");

	lprint("UDP stats:\r\n");
	lprint("  %6d datagrams received\r\n", udpstat.udps_ipackets);
	lprint("  %6d with packets shorter than header\r\n", udpstat.udps_hdrops);
	lprint("  %6d with bad checksums\r\n", udpstat.udps_badsum);
	lprint("  %6d with data length larger than packet\r\n", udpstat.udps_badlen);
	lprint("  %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss);
	lprint("  %6d datagrams sent\r\n", udpstat.udps_opackets);
}

static void
icmpstats(void)
{
	lprint(" \r\n");
	lprint("ICMP stats:\r\n");
	lprint("  %6d ICMP packets received\r\n", icmpstat.icps_received);
	lprint("  %6d were too short\r\n", icmpstat.icps_tooshort);
	lprint("  %6d with bad checksums\r\n", icmpstat.icps_checksum);
	lprint("  %6d with type not supported\r\n", icmpstat.icps_notsupp);
	lprint("  %6d with bad type feilds\r\n", icmpstat.icps_badtype);
	lprint("  %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect);
}

static void
mbufstats(void)
{
	struct mbuf *m;
	int i;

        lprint(" \r\n");

	lprint("Mbuf stats:\r\n");

	lprint("  %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max);

	i = 0;
	for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next)
		i++;
	lprint("  %6d mbufs on free list\r\n",  i);

	i = 0;
	for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next)
		i++;
	lprint("  %6d mbufs on used list\r\n",  i);
        lprint("  %6d mbufs queued as packets\r\n\r\n", if_queued);
}

static void
sockstats(void)
{
	char buff[256];
	int n;
	struct socket *so;

        lprint(" \r\n");

	lprint(
	   "Proto[state]     Sock     Local Address, Port  Remote Address, Port RecvQ SendQ\r\n");

	for (so = tcb.so_next; so != &tcb; so = so->so_next) {

		n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE");
		while (n < 17)
		   buff[n++] = ' ';
		buff[17] = 0;
		lprint("%s %3d   %15s %5d ",
				buff, so->s,
				inet_ntoa(so->so_laddr), ntohs(so->so_lport));
		lprint("%15s %5d %5d %5d\r\n",
				inet_ntoa(so->so_faddr), ntohs(so->so_fport),
				so->so_rcv.sb_cc, so->so_snd.sb_cc);
	}

	for (so = udb.so_next; so != &udb; so = so->so_next) {

		n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000);
		while (n < 17)
		   buff[n++] = ' ';
		buff[17] = 0;
		lprint("%s %3d  %15s %5d  ",
				buff, so->s,
				inet_ntoa(so->so_laddr), ntohs(so->so_lport));
		lprint("%15s %5d %5d %5d\r\n",
				inet_ntoa(so->so_faddr), ntohs(so->so_fport),
				so->so_rcv.sb_cc, so->so_snd.sb_cc);
	}
}
#endif

#ifndef CONFIG_QEMU
void
slirp_exit(exit_status)
	int exit_status;
{
	struct ttys *ttyp;

	DEBUG_CALL("slirp_exit");
	DEBUG_ARG("exit_status = %d", exit_status);

	if (dostats) {
		lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf;
		if (!dfd)
		   debug_init("slirp_stats", 0xf);
		lprint_arg = (char **)&dfd;

		ipstats();
		tcpstats();
		udpstats();
		icmpstats();
		mbufstats();
		sockstats();
		allttystats();
		vjstats();
	}

	for (ttyp = ttys; ttyp; ttyp = ttyp->next)
	   tty_detached(ttyp, 1);

	if (slirp_forked) {
		/* Menendez time */
		if (kill(getppid(), SIGQUIT) < 0)
			lprint("Couldn't kill parent process %ld!\n",
			    (long) getppid());
    	}

	/* Restore the terminal if we gotta */
	if(slirp_tty_restore)
	  tcsetattr(0,TCSANOW, &slirp_tty_settings);  /* NOW DAMMIT! */
	exit(exit_status);
}
#endif

void
slirp_stats(void)
{
#ifdef LOG_ENABLED
    ipstats();
    tcpstats();
    udpstats();
    icmpstats();
    mbufstats();
    sockstats();
#else
    lprint("SLIRP statistics code not compiled.\n");
#endif
}
Commit	Line	Data
f0cbd3ec FB	1	/*
	2	* Copyright (c) 1995 Danny Gasparovski.
	3	* Portions copyright (c) 2000 Kelly Price.
5fafdf24 TS	4	*
5fafdf24 TS	5	* Please read the file COPYRIGHT for the
f0cbd3ec FB	6	* terms and conditions of the copyright.
	7	*/
	8
	9	#include <slirp.h>
	10
	11	FILE *dfd = NULL;
	12	#ifdef DEBUG
	13	int dostats = 1;
	14	#else
	15	int dostats = 0;
	16	#endif
	17	int slirp_debug = 0;
	18
5fafdf24	19	/* Carry over one item from main.c so that the tty's restored.
f0cbd3ec	20	* Only done when the tty being used is /dev/tty --RedWolf */
31a60e22	21	#ifndef CONFIG_QEMU
f0cbd3ec FB	22	extern struct termios slirp_tty_settings;
	23	extern int slirp_tty_restore;
	24
	25
	26	void
	27	debug_init(file, dbg)
	28	char *file;
	29	int dbg;
	30	{
	31	/* Close the old debugging file */
	32	if (dfd)
	33	fclose(dfd);
5fafdf24	34
f0cbd3ec FB	35	dfd = fopen(file,"w");
	36	if (dfd != NULL) {
	37	#if 0
	38	fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION);
	39	#endif
	40	fprintf(dfd,"Debugging Started level %i.\r\n",dbg);
	41	fflush(dfd);
	42	slirp_debug = dbg;
	43	} else {
	44	lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n",
	45	file, strerror(errno));
	46	}
	47	}
	48
	49	/*
	50	* Dump a packet in the same format as tcpdump -x
	51	*/
	52	#ifdef DEBUG
	53	void
	54	dump_packet(dat, n)
	55	void *dat;
	56	int n;
	57	{
	58	u_char pptr = (u_char )dat;
	59	int j,k;
5fafdf24	60
f0cbd3ec FB	61	n /= 16;
	62	n++;
	63	DEBUG_MISC((dfd, "PACKET DUMPED: \n"));
	64	for(j = 0; j < n; j++) {
	65	for(k = 0; k < 6; k++)
	66	DEBUG_MISC((dfd, "%02x ", *pptr++));
	67	DEBUG_MISC((dfd, "\n"));
	68	fflush(dfd);
	69	}
	70	}
	71	#endif
31a60e22	72	#endif
f0cbd3ec	73
31a60e22	74	#ifdef LOG_ENABLED
f0cbd3ec FB	75	#if 0
	76	/*
	77	* Statistic routines
5fafdf24	78	*
f0cbd3ec FB	79	* These will print statistics to the screen, the debug file (dfd), or
	80	* a buffer, depending on "type", so that the stats can be sent over
	81	* the link as well.
	82	*/
	83
31a60e22	84	static void
f0cbd3ec FB	85	ttystats(ttyp)
	86	struct ttys *ttyp;
	87	{
	88	struct slirp_ifstats *is = &ttyp->ifstats;
	89	char buff[512];
5fafdf24	90
f0cbd3ec	91	lprint(" \r\n");
5fafdf24	92
9634d903	93	if (IF_COMP & IF_COMPRESS)
f0cbd3ec	94	strcpy(buff, "on");
9634d903	95	else if (IF_COMP & IF_NOCOMPRESS)
f0cbd3ec FB	96	strcpy(buff, "off");
	97	else
	98	strcpy(buff, "off (for now)");
	99	lprint("Unit %d:\r\n", ttyp->unit);
	100	lprint(" using %s encapsulation (VJ compression is %s)\r\n", (
	101	#ifdef USE_PPP
	102	ttyp->proto==PROTO_PPP?"PPP":
	103	#endif
	104	"SLIP"), buff);
	105	lprint(" %d baudrate\r\n", ttyp->baud);
	106	lprint(" interface is %s\r\n", ttyp->up?"up":"down");
	107	lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid);
	108	#ifndef FULL_BOLT
	109	lprint(" towrite is %d bytes\r\n", ttyp->towrite);
	110	#endif
	111	if (ttyp->zeros)
	112	lprint(" %d zeros have been typed\r\n", ttyp->zeros);
	113	else if (ttyp->ones)
	114	lprint(" %d ones have been typed\r\n", ttyp->ones);
	115	lprint("Interface stats:\r\n");
	116	lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes);
	117	lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes);
	118	lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes);
	119	lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes);
	120	lprint(" %6d bad input packets\r\n", is->in_mbad);
	121	}
	122
31a60e22 BS	123	static void
31a60e22 BS	124	allttystats(void)
f0cbd3ec FB	125	{
f0cbd3ec FB	126	struct ttys *ttyp;
5fafdf24	127
f0cbd3ec FB	128	for (ttyp = ttys; ttyp; ttyp = ttyp->next)
	129	ttystats(ttyp);
	130	}
	131	#endif
	132
31a60e22 BS	133	static void
31a60e22 BS	134	ipstats(void)
f0cbd3ec	135	{
5fafdf24	136	lprint(" \r\n");
f0cbd3ec FB	137
	138	lprint("IP stats:\r\n");
	139	lprint(" %6d total packets received (%d were unaligned)\r\n",
	140	ipstat.ips_total, ipstat.ips_unaligned);
	141	lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers);
	142	lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum);
	143	lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort);
	144	lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall);
	145	lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen);
	146	lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen);
	147	lprint(" %6d fragments received\r\n", ipstat.ips_fragments);
	148	lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped);
	149	lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout);
	150	lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled);
	151	lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented);
	152	lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments);
	153	lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto);
	154	lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered);
	155	}
	156
31a60e22 BS	157	#ifndef CONFIG_QEMU
	158	static void
	159	vjstats(void)
f0cbd3ec FB	160	{
f0cbd3ec FB	161	lprint(" \r\n");
5fafdf24	162
f0cbd3ec	163	lprint("VJ compression stats:\r\n");
5fafdf24	164
f0cbd3ec FB	165	lprint(" %6d outbound packets (%d compressed)\r\n",
	166	comp_s.sls_packets, comp_s.sls_compressed);
	167	lprint(" %6d searches for connection stats (%d misses)\r\n",
	168	comp_s.sls_searches, comp_s.sls_misses);
	169	lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin);
	170	lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin);
	171	lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin);
	172	lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed);
	173	}
	174	#endif
	175
31a60e22 BS	176	static void
31a60e22 BS	177	tcpstats(void)
f0cbd3ec FB	178	{
	179	lprint(" \r\n");
	180
	181	lprint("TCP stats:\r\n");
5fafdf24	182
f0cbd3ec FB	183	lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal);
	184	lprint(" %6d data packets (%d bytes)\r\n",
	185	tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte);
	186	lprint(" %6d data packets retransmitted (%d bytes)\r\n",
	187	tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte);
	188	lprint(" %6d ack-only packets (%d delayed)\r\n",
	189	tcpstat.tcps_sndacks, tcpstat.tcps_delack);
	190	lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg);
	191	lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe);
	192	lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup);
	193	lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl);
	194	lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin);
5fafdf24	195
3b46e624	196	lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal);
f0cbd3ec FB	197	lprint(" %6d acks (for %d bytes)\r\n",
	198	tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte);
	199	lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack);
	200	lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch);
	201	lprint(" %6d packets received in sequence (%d bytes)\r\n",
	202	tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte);
	203	lprint(" %6d completely duplicate packets (%d bytes)\r\n",
	204	tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte);
5fafdf24	205
f0cbd3ec FB	206	lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n",
	207	tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte);
	208	lprint(" %6d out-of-order packets (%d bytes)\r\n",
	209	tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte);
	210	lprint(" %6d packets of data after window (%d bytes)\r\n",
	211	tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin);
	212	lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe);
	213	lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd);
	214	lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose);
	215	lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum);
	216	lprint(" %6d discarded for bad header offset fields\r\n",
	217	tcpstat.tcps_rcvbadoff);
5fafdf24	218
f0cbd3ec FB	219	lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt);
	220	lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts);
	221	lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects);
	222	lprint(" %6d connections closed (including %d drop)\r\n",
	223	tcpstat.tcps_closed, tcpstat.tcps_drops);
	224	lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops);
	225	lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n",
	226	tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated);
	227	lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo);
	228	lprint(" %6d connections dropped by rxmt timeout\r\n",
	229	tcpstat.tcps_timeoutdrop);
	230	lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo);
	231	lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo);
	232	lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe);
	233	lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops);
	234	lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack);
	235	lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
	236	lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss);
5fafdf24 TS	237
5fafdf24 TS	238
f0cbd3ec FB	239	/* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */
	240	/* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */
	241
	242	}
	243
31a60e22 BS	244	static void
31a60e22 BS	245	udpstats(void)
f0cbd3ec FB	246	{
	247	lprint(" \r\n");
	248
	249	lprint("UDP stats:\r\n");
	250	lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets);
	251	lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops);
	252	lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum);
	253	lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen);
	254	lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss);
	255	lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets);
	256	}
	257
31a60e22 BS	258	static void
31a60e22 BS	259	icmpstats(void)
f0cbd3ec FB	260	{
	261	lprint(" \r\n");
	262	lprint("ICMP stats:\r\n");
	263	lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received);
	264	lprint(" %6d were too short\r\n", icmpstat.icps_tooshort);
	265	lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum);
	266	lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp);
	267	lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype);
	268	lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect);
	269	}
	270
31a60e22 BS	271	static void
31a60e22 BS	272	mbufstats(void)
f0cbd3ec FB	273	{
	274	struct mbuf *m;
	275	int i;
5fafdf24	276
f0cbd3ec	277	lprint(" \r\n");
5fafdf24	278
f0cbd3ec FB	279	lprint("Mbuf stats:\r\n");
	280
	281	lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max);
5fafdf24	282
f0cbd3ec FB	283	i = 0;
	284	for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next)
	285	i++;
	286	lprint(" %6d mbufs on free list\r\n", i);
5fafdf24	287
f0cbd3ec FB	288	i = 0;
	289	for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next)
	290	i++;
	291	lprint(" %6d mbufs on used list\r\n", i);
	292	lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued);
	293	}
	294
31a60e22 BS	295	static void
31a60e22 BS	296	sockstats(void)
f0cbd3ec FB	297	{
	298	char buff[256];
	299	int n;
	300	struct socket *so;
	301
	302	lprint(" \r\n");
5fafdf24	303
f0cbd3ec FB	304	lprint(
f0cbd3ec FB	305	"Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n");
3b46e624	306
5fafdf24	307	for (so = tcb.so_next; so != &tcb; so = so->so_next) {
3b46e624	308
f0cbd3ec FB	309	n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE");
	310	while (n < 17)
	311	buff[n++] = ' ';
	312	buff[17] = 0;
	313	lprint("%s %3d %15s %5d ",
	314	buff, so->s,
	315	inet_ntoa(so->so_laddr), ntohs(so->so_lport));
	316	lprint("%15s %5d %5d %5d\r\n",
	317	inet_ntoa(so->so_faddr), ntohs(so->so_fport),
	318	so->so_rcv.sb_cc, so->so_snd.sb_cc);
	319	}
3b46e624	320
f0cbd3ec	321	for (so = udb.so_next; so != &udb; so = so->so_next) {
3b46e624	322
f0cbd3ec FB	323	n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000);
	324	while (n < 17)
	325	buff[n++] = ' ';
	326	buff[17] = 0;
	327	lprint("%s %3d %15s %5d ",
	328	buff, so->s,
	329	inet_ntoa(so->so_laddr), ntohs(so->so_lport));
	330	lprint("%15s %5d %5d %5d\r\n",
	331	inet_ntoa(so->so_faddr), ntohs(so->so_fport),
	332	so->so_rcv.sb_cc, so->so_snd.sb_cc);
	333	}
	334	}
31a60e22	335	#endif
f0cbd3ec	336
31a60e22	337	#ifndef CONFIG_QEMU
f0cbd3ec FB	338	void
	339	slirp_exit(exit_status)
	340	int exit_status;
	341	{
	342	struct ttys *ttyp;
5fafdf24	343
f0cbd3ec FB	344	DEBUG_CALL("slirp_exit");
	345	DEBUG_ARG("exit_status = %d", exit_status);
	346
	347	if (dostats) {
	348	lprint_print = (int () _P((void , const char *, va_list)))vfprintf;
	349	if (!dfd)
	350	debug_init("slirp_stats", 0xf);
	351	lprint_arg = (char **)&dfd;
3b46e624	352
f0cbd3ec FB	353	ipstats();
	354	tcpstats();
	355	udpstats();
	356	icmpstats();
	357	mbufstats();
	358	sockstats();
	359	allttystats();
	360	vjstats();
	361	}
5fafdf24	362
f0cbd3ec FB	363	for (ttyp = ttys; ttyp; ttyp = ttyp->next)
f0cbd3ec FB	364	tty_detached(ttyp, 1);
5fafdf24	365
f0cbd3ec FB	366	if (slirp_forked) {
	367	/* Menendez time */
	368	if (kill(getppid(), SIGQUIT) < 0)
	369	lprint("Couldn't kill parent process %ld!\n",
	370	(long) getppid());
	371	}
5fafdf24	372
f0cbd3ec FB	373	/* Restore the terminal if we gotta */
	374	if(slirp_tty_restore)
	375	tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */
	376	exit(exit_status);
	377	}
	378	#endif
31a60e22 BS	379
	380	void
	381	slirp_stats(void)
	382	{
	383	#ifdef LOG_ENABLED
	384	ipstats();
	385	tcpstats();
	386	udpstats();
	387	icmpstats();
	388	mbufstats();
	389	sockstats();
	390	#else
	391	lprint("SLIRP statistics code not compiled.\n");
	392	#endif
	393	}