328 lines
6.6 KiB
C
328 lines
6.6 KiB
C
|
/*
|
||
|
|
tcpstat.c
|
||
|
|
|
||
|
|
Created: June 1995 by Philip Homburg <philip@f-mnx.phicoh.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define _MINIX_SOURCE
|
||
|
|
#define _POSIX_C_SOURCE 2
|
||
|
|
|
||
|
|
#include <inet/inet.h>
|
||
|
|
#undef printf
|
||
|
|
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <time.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/svrctl.h>
|
||
|
|
#ifndef __minix_vmd
|
||
|
|
#include <sys/times.h>
|
||
|
|
#endif
|
||
|
|
#include <net/netlib.h>
|
||
|
|
#include <net/gen/inet.h>
|
||
|
|
#include <net/gen/netdb.h>
|
||
|
|
#include <net/gen/socket.h>
|
||
|
|
#include <minix/queryparam.h>
|
||
|
|
|
||
|
|
#include <inet/generic/buf.h>
|
||
|
|
#include <inet/generic/clock.h>
|
||
|
|
#include <inet/generic/event.h>
|
||
|
|
#include <inet/generic/type.h>
|
||
|
|
#include <inet/generic/tcp.h>
|
||
|
|
#include <inet/generic/tcp_int.h>
|
||
|
|
|
||
|
|
char *prog_name;
|
||
|
|
tcp_conn_t tcp_conn_table[TCP_CONN_NR];
|
||
|
|
char values[2 * sizeof(tcp_conn_table) + 1];
|
||
|
|
int inclListen, numerical, verbose;
|
||
|
|
|
||
|
|
void print_conn(int i, clock_t now);
|
||
|
|
void usage(void);
|
||
|
|
|
||
|
|
int main(int argc, char*argv[])
|
||
|
|
{
|
||
|
|
char *tcp_device;
|
||
|
|
int fd, i;
|
||
|
|
struct svrqueryparam qpar;
|
||
|
|
char *pval;
|
||
|
|
struct timeval uptime;
|
||
|
|
clock_t now;
|
||
|
|
int fl;
|
||
|
|
int a_flag, n_flag, v_flag;
|
||
|
|
|
||
|
|
(prog_name=strrchr(argv[0], '/')) ? prog_name++ : (prog_name=argv[0]);
|
||
|
|
|
||
|
|
a_flag= 0;
|
||
|
|
n_flag= 0;
|
||
|
|
v_flag= 0;
|
||
|
|
while ((fl= getopt(argc, argv, "?anv")) != -1)
|
||
|
|
{
|
||
|
|
switch(fl)
|
||
|
|
{
|
||
|
|
case '?':
|
||
|
|
usage();
|
||
|
|
case 'a':
|
||
|
|
a_flag= 1;
|
||
|
|
break;
|
||
|
|
case 'n':
|
||
|
|
n_flag= 1;
|
||
|
|
break;
|
||
|
|
case 'v':
|
||
|
|
v_flag= 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
fprintf(stderr, "%s: getopt failed: '%c'\n",
|
||
|
|
prog_name, fl);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
inclListen= !!a_flag;
|
||
|
|
numerical= !!n_flag;
|
||
|
|
verbose= !!v_flag;
|
||
|
|
|
||
|
|
tcp_device= TCP_DEVICE;
|
||
|
|
if ((fd= open(tcp_device, O_RDWR)) == -1)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "%s: unable to open '%s': %s\n", prog_name,
|
||
|
|
tcp_device, strerror(errno));
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
qpar.param = "tcp_conn_table";
|
||
|
|
qpar.psize = strlen(qpar.param);
|
||
|
|
qpar.value = values;
|
||
|
|
qpar.vsize = sizeof(values);
|
||
|
|
if (ioctl(fd, NWIOQUERYPARAM, &qpar) == -1)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "%s: queryparam failed: %s\n", prog_name,
|
||
|
|
strerror(errno));
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
pval= values;
|
||
|
|
if (paramvalue(&pval, tcp_conn_table, sizeof(tcp_conn_table)) !=
|
||
|
|
sizeof(tcp_conn_table))
|
||
|
|
{
|
||
|
|
fprintf(stderr,
|
||
|
|
"%s: unable to decode the results from queryparam\n",
|
||
|
|
prog_name);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef __minix_vmd
|
||
|
|
/* Get the uptime in clock ticks. */
|
||
|
|
if (sysutime(UTIME_UPTIME, &uptime) == -1)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "%s: sysutime failed: %s\n", prog_name,
|
||
|
|
strerror(errno));
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
now= uptime.tv_sec * HZ + (uptime.tv_usec*HZ/1000000);
|
||
|
|
#else /* Minix 3 */
|
||
|
|
now= times(NULL);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
for (i= 0; i<TCP_CONN_NR; i++)
|
||
|
|
print_conn(i, now);
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void print_conn(int i, clock_t now)
|
||
|
|
{
|
||
|
|
tcp_conn_t *tcp_conn;
|
||
|
|
char *addr_str;
|
||
|
|
struct hostent *hostent;
|
||
|
|
struct servent *servent;
|
||
|
|
ipaddr_t a1, a2;
|
||
|
|
tcpport_t p1, p2;
|
||
|
|
unsigned flags;
|
||
|
|
int no_verbose;
|
||
|
|
clock_t rtt, artt, drtt;
|
||
|
|
|
||
|
|
tcp_conn= &tcp_conn_table[i];
|
||
|
|
if (!(tcp_conn->tc_flags & TCF_INUSE))
|
||
|
|
return;
|
||
|
|
if (tcp_conn->tc_state == TCS_LISTEN && !inclListen)
|
||
|
|
return;
|
||
|
|
if (tcp_conn->tc_state == TCS_CLOSED && tcp_conn->tc_fd == NULL &&
|
||
|
|
tcp_conn->tc_senddis < now)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("%3d", i);
|
||
|
|
|
||
|
|
a1= tcp_conn->tc_locaddr;
|
||
|
|
p1= tcp_conn->tc_locport;
|
||
|
|
a2= tcp_conn->tc_remaddr;
|
||
|
|
p2= tcp_conn->tc_remport;
|
||
|
|
|
||
|
|
if (a1 == 0)
|
||
|
|
addr_str= "*";
|
||
|
|
else if (!numerical &&
|
||
|
|
(hostent= gethostbyaddr((char *)&a1,
|
||
|
|
sizeof(a1), AF_INET)) != NULL)
|
||
|
|
{
|
||
|
|
addr_str= hostent->h_name;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
addr_str= inet_ntoa(a1);
|
||
|
|
printf(" %s:", addr_str);
|
||
|
|
|
||
|
|
if (p1 == 0)
|
||
|
|
printf("*");
|
||
|
|
else if ((servent= getservbyport(p1, "tcp")) != NULL)
|
||
|
|
{
|
||
|
|
printf("%s", servent->s_name);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
printf("%u", ntohs(p1));
|
||
|
|
|
||
|
|
if (tcp_conn->tc_orglisten)
|
||
|
|
printf(" <- ");
|
||
|
|
else
|
||
|
|
printf(" -> ");
|
||
|
|
|
||
|
|
if (a2 == 0)
|
||
|
|
addr_str= "*";
|
||
|
|
else if (!numerical &&
|
||
|
|
(hostent= gethostbyaddr((char *)&a2,
|
||
|
|
sizeof(a2), AF_INET)) != NULL)
|
||
|
|
{
|
||
|
|
addr_str= hostent->h_name;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
addr_str= inet_ntoa(a2);
|
||
|
|
printf("%s:", addr_str);
|
||
|
|
|
||
|
|
if (p2 == 0)
|
||
|
|
printf("*");
|
||
|
|
else if ((servent= getservbyport(p2, "tcp")) !=
|
||
|
|
NULL)
|
||
|
|
{
|
||
|
|
printf("%s", servent->s_name);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
printf("%u", ntohs(p2));
|
||
|
|
|
||
|
|
printf(" ");
|
||
|
|
no_verbose= 0;
|
||
|
|
switch(tcp_conn->tc_state)
|
||
|
|
{
|
||
|
|
case TCS_CLOSED: printf("CLOSED");
|
||
|
|
if (tcp_conn->tc_senddis >= now)
|
||
|
|
{
|
||
|
|
printf("(time wait %ld s)",
|
||
|
|
(tcp_conn->tc_senddis-now)/HZ);
|
||
|
|
}
|
||
|
|
no_verbose= 1;
|
||
|
|
break;
|
||
|
|
case TCS_LISTEN: printf("LISTEN"); no_verbose= 1; break;
|
||
|
|
case TCS_SYN_RECEIVED: printf("SYN_RECEIVED"); break;
|
||
|
|
case TCS_SYN_SENT: printf("SYN_SENT"); break;
|
||
|
|
case TCS_ESTABLISHED: printf("ESTABLISHED"); break;
|
||
|
|
case TCS_CLOSING: printf("CLOSING"); break;
|
||
|
|
default: printf("state(%d)", tcp_conn->tc_state);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (tcp_conn->tc_flags & TCF_FIN_RECV)
|
||
|
|
printf(" F<");
|
||
|
|
if (tcp_conn->tc_flags & TCF_FIN_SENT)
|
||
|
|
{
|
||
|
|
printf(" F>");
|
||
|
|
if (tcp_conn->tc_SND_UNA == tcp_conn->tc_SND_NXT)
|
||
|
|
printf("+");
|
||
|
|
}
|
||
|
|
if (tcp_conn->tc_state != TCS_CLOSED &&
|
||
|
|
tcp_conn->tc_state != TCS_LISTEN)
|
||
|
|
{
|
||
|
|
printf("\n\t");
|
||
|
|
printf("RQ: %lu, SQ: %lu, RWnd: %u, SWnd: %lu, SWThresh: %lu",
|
||
|
|
tcp_conn->tc_RCV_NXT - tcp_conn->tc_RCV_LO,
|
||
|
|
tcp_conn->tc_SND_NXT - tcp_conn->tc_SND_UNA,
|
||
|
|
tcp_conn->tc_rcv_wnd,
|
||
|
|
tcp_conn->tc_snd_cwnd - tcp_conn->tc_SND_UNA,
|
||
|
|
tcp_conn->tc_snd_cthresh);
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("\n");
|
||
|
|
|
||
|
|
if (!verbose || no_verbose)
|
||
|
|
return;
|
||
|
|
rtt= tcp_conn->tc_rtt;
|
||
|
|
artt= tcp_conn->tc_artt;
|
||
|
|
drtt= tcp_conn->tc_drtt;
|
||
|
|
printf("\tmss %u, mtu %u%s, rtt %.3f (%.3f+%d*%.3f) s\n",
|
||
|
|
tcp_conn->tc_max_mtu-IP_TCP_MIN_HDR_SIZE,
|
||
|
|
tcp_conn->tc_mtu,
|
||
|
|
(tcp_conn->tc_flags & TCF_PMTU) ? "" : " (no PMTU)",
|
||
|
|
rtt/(HZ+0.0),
|
||
|
|
artt/(HZ+0.0)/TCP_RTT_SCALE, TCP_DRTT_MULT,
|
||
|
|
drtt/(HZ+0.0)/TCP_RTT_SCALE);
|
||
|
|
flags= tcp_conn->tc_flags;
|
||
|
|
printf("\tflags:");
|
||
|
|
if (!flags)
|
||
|
|
printf(" TCF_EMPTY");
|
||
|
|
if (flags & TCF_INUSE)
|
||
|
|
flags &= ~TCF_INUSE;
|
||
|
|
if (flags & TCF_FIN_RECV)
|
||
|
|
{
|
||
|
|
printf(" TCF_FIN_RECV");
|
||
|
|
flags &= ~TCF_FIN_RECV;
|
||
|
|
}
|
||
|
|
if (flags & TCF_RCV_PUSH)
|
||
|
|
{
|
||
|
|
printf(" TCF_RCV_PUSH");
|
||
|
|
flags &= ~TCF_RCV_PUSH;
|
||
|
|
}
|
||
|
|
if (flags & TCF_MORE2WRITE)
|
||
|
|
{
|
||
|
|
printf(" TCF_MORE2WRITE");
|
||
|
|
flags &= ~TCF_MORE2WRITE;
|
||
|
|
}
|
||
|
|
if (flags & TCF_SEND_ACK)
|
||
|
|
{
|
||
|
|
printf(" TCF_SEND_ACK");
|
||
|
|
flags &= ~TCF_SEND_ACK;
|
||
|
|
}
|
||
|
|
if (flags & TCF_FIN_SENT)
|
||
|
|
{
|
||
|
|
printf(" TCF_FIN_SENT");
|
||
|
|
flags &= ~TCF_FIN_SENT;
|
||
|
|
}
|
||
|
|
if (flags & TCF_BSD_URG)
|
||
|
|
{
|
||
|
|
printf(" TCF_BSD_URG");
|
||
|
|
flags &= ~TCF_BSD_URG;
|
||
|
|
}
|
||
|
|
if (flags & TCF_NO_PUSH)
|
||
|
|
{
|
||
|
|
printf(" TCF_NO_PUSH");
|
||
|
|
flags &= ~TCF_NO_PUSH;
|
||
|
|
}
|
||
|
|
if (flags & TCF_PUSH_NOW)
|
||
|
|
{
|
||
|
|
printf(" TCF_PUSH_NOW");
|
||
|
|
flags &= ~TCF_PUSH_NOW;
|
||
|
|
}
|
||
|
|
if (flags & TCF_PMTU)
|
||
|
|
flags &= ~TCF_PMTU;
|
||
|
|
if (flags)
|
||
|
|
printf(" 0x%x", flags);
|
||
|
|
printf("\n");
|
||
|
|
printf("\ttimer: ref %d, time %f, active %d\n",
|
||
|
|
tcp_conn->tc_transmit_timer.tim_ref,
|
||
|
|
(0.0+tcp_conn->tc_transmit_timer.tim_time-now)/HZ,
|
||
|
|
tcp_conn->tc_transmit_timer.tim_active);
|
||
|
|
}
|
||
|
|
|
||
|
|
void usage(void)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "Usage: %s [-anv]\n", prog_name);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* $PchId: tcpstat.c,v 1.8 2005/01/30 01:04:38 philip Exp $
|
||
|
|
*/
|