dump_sockettab.c

一款类linux的操作系统源码

/*
 *  Roadrunner/pk
 *    Copyright (C) 1989-2002  Cornfed Systems, Inc.
 *
 *  The Roadrunner/pk operating system is free software; you can
 *  redistribute and/or modify it under the terms of the GNU General
 *  Public License, version 2, as published by the Free Software
 *  Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free
 *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA 02111-1307 USA
 *
 *  More information about the Roadrunner/pk operating system of
 *  which this file is a part is available on the World-Wide Web
 *  at: http://www.cornfed.com.
 *
 */

#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <fs/dump.h>

#define SOCKET_HDR \
    "sport  dst              dport  rcv       snd       state"

static char *socket_states[] = {
    "FREE",
    "INUSE",
    "BOUND",
    "LISTEN",
    "CONNECTING",
    "CONNECTED",
    "DISCONNECTING"
};

void
dump_sockettab(char *s)
{
    socket_t socket;
    char s1[32];
    int i, j, len, socketcnt = 0;

    for (i = 0; i < SOCKETS; i++)
	if (sockettab[i].state > SS_FREE) {
	    if (socketcnt++ == 0) {
		sprintf(s, "%s\n", SOCKET_HDR);
		s += strlen(SOCKET_HDR) + 1;
	    }
	    socket = &(sockettab[i]);

	    sprintf(s1, "%u", socket->sport);
	    sprintf(s, s1);
	    len = strlen(s1);
	    s += len;
	    for (j = 0; j < 7 - len; j++)
		sprintf(s++, " ");

	    if (socket->state < SS_CONNECTED) {
		sprintf(s, "-                -      ");
		s += 24;
	    } else {
		ip2str(socket->dst, s1);
		sprintf(s, s1);
		len = strlen(s1);
		s += len;
		for (j = 0; j < 17 - len; j++)
		    sprintf(s++, " ");

		sprintf(s1, "%u", socket->dport);
		sprintf(s, s1);
		len = strlen(s1);
		s += len;
		for (j = 0; j < 7 - len; j++)
		    sprintf(s++, " ");
	    }

	    sprintf(s1, "%d", socket->rcv_cc);
	    sprintf(s, s1);
	    len = strlen(s1);
	    s += len;
	    for (j = 0; j < 10 - len; j++)
		sprintf(s++, " ");

	    sprintf(s1, "%d", socket->snd_cc);
	    sprintf(s, s1);
	    len = strlen(s1);
	    s += len;
	    for (j = 0; j < 10 - len; j++)
		sprintf(s++, " ");

	    sprintf(s, "%s\n", socket_states[socket->state]);
	    s += strlen(socket_states[socket->state]) + 1;
	}
}