src/libstatgrab/network_stats.c

/*
 * i-scream central monitoring system
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id: network_stats.c,v 1.48 2004/03/06 21:56:23 tdb Exp $
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdlib.h>
#include <string.h>
#include "statgrab.h"
#include <time.h>
#ifdef SOLARIS
#include <kstat.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <sys/sockio.h>
#endif
#ifdef LINUX
#include <stdio.h>
#include <sys/types.h>
#include <regex.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <ctype.h>
#include "tools.h"
/* Stuff which could be defined by defining KERNEL, but 
 * that would be a bad idea, so we'll just declare it here
 */
typedef __uint8_t u8;
typedef __uint16_t u16;
typedef __uint32_t u32;
typedef __uint64_t u64;
#include <linux/ethtool.h>
#include <linux/sockios.h>
#include <unistd.h>
#endif
#ifdef ALLBSD
#include <sys/types.h>
#include <sys/socket.h>
#include <ifaddrs.h>
#include <net/if.h>
#include <net/if_media.h>
#include <sys/ioctl.h>
#endif

static network_stat_t *network_stats=NULL;
static int interfaces=0;

void network_stat_init(int start, int end, network_stat_t *net_stats){

        for(net_stats+=start; start<end; start++){
                net_stats->interface_name=NULL;
                net_stats->tx=0;
                net_stats->rx=0;
                net_stats->ipackets=0;
                net_stats->opackets=0;
                net_stats->ierrors=0;
                net_stats->oerrors=0;
                net_stats->collisions=0;
                net_stats++;
        }
}

network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){

        if(net_stats==NULL){

                if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
                        return NULL;
                }
                network_stat_init(0, needed_entries, net_stats);
                *cur_entries=needed_entries;

                return net_stats;
        }


        if(*cur_entries<needed_entries){
                net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
                if(net_stats==NULL){
                        return NULL;
                }
                network_stat_init(*cur_entries, needed_entries, net_stats);
                *cur_entries=needed_entries;
        }

        return net_stats;
}


network_stat_t *get_network_stats(int *entries){

        static int sizeof_network_stats=0;      
        network_stat_t *network_stat_ptr;

#ifdef SOLARIS
        kstat_ctl_t *kc;
        kstat_t *ksp;
        kstat_named_t *knp;
#endif

#ifdef LINUX
        FILE *f;
        /* Horrible big enough, but it should be easily big enough */
        char line[8096];
        regex_t regex;
        regmatch_t line_match[9];
#endif
#ifdef ALLBSD
        struct ifaddrs *net, *net_ptr;
        struct if_data *net_data;
#endif

#ifdef ALLBSD
        if(getifaddrs(&net) != 0){
                return NULL;
        }

        interfaces=0;
        
        for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
                if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
                network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
                if(network_stats==NULL){
                        return NULL;
                }
                network_stat_ptr=network_stats+interfaces;
                
                if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
                network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
                if(network_stat_ptr->interface_name==NULL) return NULL;
                net_data=(struct if_data *)net_ptr->ifa_data;
                network_stat_ptr->rx=net_data->ifi_ibytes;
                network_stat_ptr->tx=net_data->ifi_obytes;
                network_stat_ptr->ipackets=net_data->ifi_ipackets;
                network_stat_ptr->opackets=net_data->ifi_opackets;
                network_stat_ptr->ierrors=net_data->ifi_ierrors;
                network_stat_ptr->oerrors=net_data->ifi_oerrors;
                network_stat_ptr->collisions=net_data->ifi_collisions;
                network_stat_ptr->systime=time(NULL);
                interfaces++;
        }
        freeifaddrs(net);       
#endif

#ifdef SOLARIS
        if ((kc = kstat_open()) == NULL) {
                return NULL;
        }

        interfaces=0;

        for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
                if (!strcmp(ksp->ks_class, "net")) {
                        kstat_read(kc, ksp, NULL);

#ifdef SOL7
#define RLOOKUP "rbytes"
#define WLOOKUP "obytes"
#define VALTYPE value.ui32
#else
#define RLOOKUP "rbytes64"
#define WLOOKUP "obytes64"
#define VALTYPE value.ui64
#endif

                        if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
                                /* This is a network interface, but it doesn't
                                 * have the rbytes/obytes values; for instance,
                                 * the loopback devices have this behaviour
                                 * (although they do track packets in/out). */
                                continue;
                        }

                        network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
                        if(network_stats==NULL){
                                return NULL;
                        }
                        network_stat_ptr=network_stats+interfaces;
                        network_stat_ptr->rx=knp->VALTYPE;

                        if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
                                continue;
                        }
                        network_stat_ptr->tx=knp->VALTYPE;
                        if(network_stat_ptr->interface_name!=NULL){
                                free(network_stat_ptr->interface_name);
                        }
                        network_stat_ptr->interface_name=strdup(ksp->ks_name);

                        network_stat_ptr->systime=time(NULL);
                        interfaces++;
                }
        }
                
        kstat_close(kc);        
#endif
#ifdef LINUX
        f=fopen("/proc/net/dev", "r");
        if(f==NULL){
                return NULL;
        }
        /* read the 2 lines.. Its the title, so we dont care :) */
        fgets(line, sizeof(line), f);
        fgets(line, sizeof(line), f);


        if((regcomp(&regex, "^[[:space:]]*([^:]+):[[:space:]]*([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)", REG_EXTENDED))!=0){
                return NULL;
        }

        interfaces=0;

        while((fgets(line, sizeof(line), f)) != NULL){
                if((regexec(&regex, line, 4, line_match, 0))!=0){
                        continue;
                }
                network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
                if(network_stats==NULL){
                        return NULL;
                }
                network_stat_ptr=network_stats+interfaces;

                if(network_stat_ptr->interface_name!=NULL){
                        free(network_stat_ptr->interface_name);
                }

                network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
                network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
                network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
                network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
                network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
                network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
                network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
                network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
                network_stat_ptr->systime=time(NULL);

                interfaces++;
        }
        fclose(f);
        regfree(&regex);

#endif

#ifdef CYGWIN
        return NULL;
#endif

        *entries=interfaces;

        return network_stats;   
}

long long transfer_diff(long long new, long long old){
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
#define MAXVAL 4294967296LL
#else
#define MAXVAL 18446744073709551616LL
#endif
        long long result;
        if(new>=old){
                result = (new-old);
        }else{
                result = (MAXVAL+(new-old));
        }

        return result;

}

network_stat_t *get_network_stats_diff(int *entries) {
        static network_stat_t *diff = NULL;
        static int diff_count = 0;
        network_stat_t *src, *dest;
        int i, j, new_count;

        if (network_stats == NULL) {
                /* No previous stats, so we can't calculate a difference. */
                return get_network_stats(entries);
        }

        /* Resize the results array to match the previous stats. */
        diff = network_stat_malloc(interfaces, &diff_count, diff);
        if (diff == NULL) {
                return NULL;
        }

        /* Copy the previous stats into the result. */
        for (i = 0; i < diff_count; i++) {
                src = &network_stats[i];
                dest = &diff[i];

                if (dest->interface_name != NULL) {
                        free(dest->interface_name);
                }
                dest->interface_name = strdup(src->interface_name);
                dest->rx = src->rx;
                dest->tx = src->tx;
                dest->ipackets = src->ipackets;
                dest->opackets = src->opackets;
                dest->ierrors = src->ierrors;
                dest->oerrors = src->oerrors;
                dest->collisions = src->collisions;
                dest->systime = src->systime;
        }

        /* Get a new set of stats. */
        if (get_network_stats(&new_count) == NULL) {
                return NULL;
        }

        /* For each previous stat... */
        for (i = 0; i < diff_count; i++) {
                dest = &diff[i];

                /* ... find the corresponding new stat ... */
                for (j = 0; j < new_count; j++) {
                        /* Try the new stat in the same position first,
                           since that's most likely to be it. */
                        src = &network_stats[(i + j) % new_count];
                        if (strcmp(src->interface_name, dest->interface_name) == 0) {
                                break;
                        }
                }
                if (j == new_count) {
                        /* No match found. */
                        continue;
                }

                /* ... and subtract the previous stat from it to get the
                   difference. */
                dest->rx = transfer_diff(src->rx, dest->rx);
                dest->tx = transfer_diff(src->tx, dest->tx);
                dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
                dest->opackets = transfer_diff(src->opackets, dest->opackets);
                dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
                dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
                dest->collisions = transfer_diff(src->collisions, dest->collisions);
                dest->systime = src->systime - dest->systime;
        }

        *entries = diff_count;
        return diff;
}
/* NETWORK INTERFACE STATS */

void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){

        for(net_stats+=start; start<end; start++){
                net_stats->interface_name=NULL;
                net_stats->speed=0;
                net_stats->dup=UNKNOWN_DUPLEX;
                net_stats++;
        }
}

network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){

        if(net_stats==NULL){

                if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
                        return NULL;
                }
                network_iface_stat_init(0, needed_entries, net_stats);
                *cur_entries=needed_entries;

                return net_stats;
        }


        if(*cur_entries<needed_entries){
                net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
                if(net_stats==NULL){
                        return NULL;
                }
                network_iface_stat_init(*cur_entries, needed_entries, net_stats);
                *cur_entries=needed_entries;
        }

        return net_stats;
}

network_iface_stat_t *get_network_iface_stats(int *entries){
        static network_iface_stat_t *network_iface_stats;
        network_iface_stat_t *network_iface_stat_ptr;
        static int sizeof_network_iface_stats=0;        
        int ifaces = 0;

#ifdef SOLARIS
        kstat_ctl_t *kc;
        kstat_t *ksp;
        kstat_named_t *knp;
        int sock;
#endif
#ifdef ALLBSD
        struct ifaddrs *net, *net_ptr;
        struct ifmediareq ifmed;
        struct ifreq ifr;
        int sock;
        int x;
#endif
#ifdef LINUX
        FILE *f;
        /* Horrible big enough, but it should be easily big enough */
        char line[8096];
        int sock;
#endif

#ifdef ALLBSD
        if(getifaddrs(&net) != 0){
                return NULL;
        }

        if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;

        for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
                if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
                network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
                if(network_iface_stats==NULL){
                        return NULL;
                }
                network_iface_stat_ptr = network_iface_stats + ifaces;

                memset(&ifr, 0, sizeof(ifr));
                strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));

                if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
                        continue;
                }       
                if((ifr.ifr_flags & IFF_UP) != 0){
                        network_iface_stat_ptr->up = 1;
                }else{
                        network_iface_stat_ptr->up = 0;
                }

                if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
                network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
                if (network_iface_stat_ptr->interface_name == NULL) return NULL;

                network_iface_stat_ptr->speed = 0;
                network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
                ifaces++;

                memset(&ifmed, 0, sizeof(struct ifmediareq));
                strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
                if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
                        /* Not all interfaces support the media ioctls. */
                        continue;
                }

                /* We may need to change this if we start doing wireless devices too */
                if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
                        /* Not a ETHER device */
                        continue;
                }

                /* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
                x = ifmed.ifm_active & 0x0f;    
                switch(x){
                        /* 10 Mbit connections. Speedy :) */
                        case(IFM_10_T):
                        case(IFM_10_2):
                        case(IFM_10_5):
                        case(IFM_10_STP):
                        case(IFM_10_FL):
                                network_iface_stat_ptr->speed = 10;
                                break;
                        /* 100 Mbit conneections */
                        case(IFM_100_TX):
                        case(IFM_100_FX):
                        case(IFM_100_T4):
                        case(IFM_100_VG):
                        case(IFM_100_T2):
                                network_iface_stat_ptr->speed = 100;
                                break;
                        /* 1000 Mbit connections */
                        case(IFM_1000_SX):
                        case(IFM_1000_LX):
                        case(IFM_1000_CX):
#ifdef IFM_1000_TX
                        case(IFM_1000_TX): /* FreeBSD 4 and others? */
#endif
#ifdef IFM_1000_FX
                        case(IFM_1000_FX): /* FreeBSD 4 */
#endif
#ifdef IFM_1000_T
                        case(IFM_1000_T): /* FreeBSD 5 */
#endif
                                network_iface_stat_ptr->speed = 1000;
                                break;
                        /* We don't know what it is */
                        default:
                                network_iface_stat_ptr->speed = 0;
                                break;
                }

                if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
                        network_iface_stat_ptr->dup = FULL_DUPLEX;
                }else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
                        network_iface_stat_ptr->dup = HALF_DUPLEX;
                }else{
                        network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
                }

        }       
        freeifaddrs(net);
        close(sock);
#endif

#ifdef SOLARIS
        if ((kc = kstat_open()) == NULL) {
                return NULL;
        }

        if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
                return NULL;
        }

        for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
                if (!strcmp(ksp->ks_class, "net")) {
                        struct ifreq ifr;

                        kstat_read(kc, ksp, NULL);

                        strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
                        if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
                                /* Not a network interface. */
                                continue;
                        }

                        network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
                        if (network_iface_stats == NULL) {
                                return NULL;
                        }
                        network_iface_stat_ptr = network_iface_stats + ifaces;
                        ifaces++;

                        if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
                        network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
                        if (network_iface_stat_ptr->interface_name == NULL) return NULL;

                        if ((ifr.ifr_flags & IFF_UP) != 0) {
                                network_iface_stat_ptr->up = 1;
                        } else {
                                network_iface_stat_ptr->up = 1;
                        }

                        if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
                                network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
                        } else {
                                network_iface_stat_ptr->speed = 0;
                        }

                        network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
                        if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
                                switch (knp->value.ui32) {
                                case 1:
                                        network_iface_stat_ptr->dup = HALF_DUPLEX;
                                        break;
                                case 2:
                                        network_iface_stat_ptr->dup = FULL_DUPLEX;
                                        break;
                                }
                        }
                }
        }

        close(sock);
        kstat_close(kc);
#endif  
#ifdef LINUX
        f = fopen("/proc/net/dev", "r");
        if(f == NULL){
                return NULL;
        }

        /* Setup stuff so we can do the ioctl to get the info */
        if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
                return NULL;
        }

        /* Ignore first 2 lines.. Just headings */
        if((fgets(line, sizeof(line), f)) == NULL) return NULL;
        if((fgets(line, sizeof(line), f)) == NULL) return NULL;

        while((fgets(line, sizeof(line), f)) != NULL){
                char *name, *ptr;
                struct ifreq ifr;
                struct ethtool_cmd ethcmd;
                int err;

                /* Get the interface name */
                ptr = strchr(line, ':');
                if (ptr == NULL) continue;
                *ptr='\0';
                name = line;
                while(isspace(*(name))){
                        name++;
                }

                memset(&ifr, 0, sizeof ifr);
                strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);

                if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
                        continue;
                }

                /* We have a good interface to add */
                network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
                if(network_iface_stats==NULL){
                        return NULL;
                }
                network_iface_stat_ptr = network_iface_stats + ifaces;
                network_iface_stat_ptr->interface_name = strdup(name);
                if ((ifr.ifr_flags & IFF_UP) != 0) {
                        network_iface_stat_ptr->up = 1;
                } else {
                        network_iface_stat_ptr->up = 0;
                }

                memset(&ethcmd, 0, sizeof ethcmd);
                ethcmd.cmd = ETHTOOL_GSET;
                ifr.ifr_data = (caddr_t) &ethcmd;

                err = ioctl(sock, SIOCETHTOOL, &ifr);
                if (err == 0) {
                        network_iface_stat_ptr->speed = ethcmd.speed;

                        switch (ethcmd.duplex) {
                        case 0x00:
                                network_iface_stat_ptr->dup = FULL_DUPLEX;
                                break;
                        case 0x01:
                                network_iface_stat_ptr->dup = HALF_DUPLEX;
                                break;
                        default:
                                network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
                        }
                } else {
                        /* Not all interfaces support the ethtool ioctl. */
                        network_iface_stat_ptr->speed = 0;
                        network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
                }

                ifaces++;
        }
        close(sock);
        fclose(f);
#endif
        *entries = ifaces;
        return network_iface_stats; 
}

Revision:	1.49
Committed:	Sat Mar 6 22:27:10 2004 UTC (20 years, 2 months ago) by ats
Content type:	text/plain
Branch:	MAIN
Changes since 1.48:	+2 -2 lines
Log Message:	Make the regexp match array the right size for Linux.
#	User	Rev	Content
1	tdb	1.22	/*
2	pajs	1.1	* i-scream central monitoring system
3	tdb	1.15	* http://www.i-scream.org
4	tdb	1.22	* Copyright (C) 2000-2004 i-scream
5	pajs	1.1	*
6	tdb	1.22	* This library is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10	pajs	1.1	*
11	tdb	1.22	* This library is distributed in the hope that it will be useful,
12	pajs	1.1	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	tdb	1.22	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15	pajs	1.1	*
16	tdb	1.22	* You should have received a copy of the GNU Lesser General Public
17			* License along with this library; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19			* 02111-1307 USA
20	tdb	1.23	*
21	ats	1.49	* $Id: network_stats.c,v 1.48 2004/03/06 21:56:23 tdb Exp $
22	pajs	1.1	*/
23
24			#ifdef HAVE_CONFIG_H
25			#include "config.h"
26			#endif
27
28	tdb	1.4	#include <stdlib.h>
29	pajs	1.6	#include <string.h>
30	pajs	1.1	#include "statgrab.h"
31	tdb	1.11	#include <time.h>
32	pajs	1.1	#ifdef SOLARIS
33			#include <kstat.h>
34			#include <sys/sysinfo.h>
35	ats	1.44	#include <sys/types.h>
36			#include <sys/socket.h>
37			#include <sys/ioctl.h>
38			#include <net/if.h>
39			#include <netinet/in.h>
40			#include <sys/sockio.h>
41	pajs	1.6	#endif
42			#ifdef LINUX
43			#include <stdio.h>
44			#include <sys/types.h>
45			#include <regex.h>
46	pajs	1.27	#include <sys/ioctl.h>
47			#include <sys/socket.h>
48			#include <net/if.h>
49			#include <ctype.h>
50	pajs	1.6	#include "tools.h"
51	pajs	1.27	/* Stuff which could be defined by defining KERNEL, but
52			* that would be a bad idea, so we'll just declare it here
53			*/
54			typedef __uint8_t u8;
55			typedef __uint16_t u16;
56			typedef __uint32_t u32;
57	ats	1.42	typedef __uint64_t u64;
58	pajs	1.27	#include <linux/ethtool.h>
59			#include <linux/sockios.h>
60	ats	1.32	#include <unistd.h>
61	pajs	1.1	#endif
62	ats	1.18	#ifdef ALLBSD
63	pajs	1.14	#include <sys/types.h>
64			#include <sys/socket.h>
65			#include <ifaddrs.h>
66			#include <net/if.h>
67	pajs	1.26	#include <net/if_media.h>
68			#include <sys/ioctl.h>
69	pajs	1.14	#endif
70	pajs	1.1
71	pajs	1.3	static network_stat_t *network_stats=NULL;
72			static int interfaces=0;
73	pajs	1.1
74	pajs	1.3	void network_stat_init(int start, int end, network_stat_t *net_stats){
75
76			for(net_stats+=start; start<end; start++){
77			net_stats->interface_name=NULL;
78			net_stats->tx=0;
79			net_stats->rx=0;
80	tdb	1.47	net_stats->ipackets=0;
81			net_stats->opackets=0;
82			net_stats->ierrors=0;
83			net_stats->oerrors=0;
84			net_stats->collisions=0;
85	pajs	1.3	net_stats++;
86			}
87			}
88
89			network_stat_t network_stat_malloc(int needed_entries, int cur_entries, network_stat_t *net_stats){
90
91			if(net_stats==NULL){
92
93			if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
94	pajs	1.1	return NULL;
95			}
96	pajs	1.3	network_stat_init(0, needed_entries, net_stats);
97			*cur_entries=needed_entries;
98
99	pajs	1.1	return net_stats;
100			}
101	pajs	1.3
102
103			if(*cur_entries<needed_entries){
104			net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
105			if(net_stats==NULL){
106	pajs	1.1	return NULL;
107			}
108	pajs	1.3	network_stat_init(*cur_entries, needed_entries, net_stats);
109			*cur_entries=needed_entries;
110	pajs	1.1	}
111
112			return net_stats;
113			}
114
115	pajs	1.3
116	pajs	1.1	network_stat_t get_network_stats(int entries){
117	pajs	1.6
118			static int sizeof_network_stats=0;
119			network_stat_t *network_stat_ptr;
120
121			#ifdef SOLARIS
122	pajs	1.1	kstat_ctl_t *kc;
123			kstat_t *ksp;
124			kstat_named_t *knp;
125	pajs	1.6	#endif
126	pajs	1.3
127	pajs	1.6	#ifdef LINUX
128			FILE *f;
129	pajs	1.12	/* Horrible big enough, but it should be easily big enough */
130	pajs	1.6	char line[8096];
131			regex_t regex;
132	ats	1.49	regmatch_t line_match[9];
133	pajs	1.14	#endif
134	ats	1.18	#ifdef ALLBSD
135	pajs	1.14	struct ifaddrs net, net_ptr;
136			struct if_data *net_data;
137			#endif
138
139	ats	1.18	#ifdef ALLBSD
140	pajs	1.14	if(getifaddrs(&net) != 0){
141			return NULL;
142			}
143
144			interfaces=0;
145
146			for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
147			if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
148			network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
149			if(network_stats==NULL){
150			return NULL;
151			}
152			network_stat_ptr=network_stats+interfaces;
153
154			if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
155			network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
156			if(network_stat_ptr->interface_name==NULL) return NULL;
157			net_data=(struct if_data *)net_ptr->ifa_data;
158			network_stat_ptr->rx=net_data->ifi_ibytes;
159	tdb	1.46	network_stat_ptr->tx=net_data->ifi_obytes;
160			network_stat_ptr->ipackets=net_data->ifi_ipackets;
161			network_stat_ptr->opackets=net_data->ifi_opackets;
162			network_stat_ptr->ierrors=net_data->ifi_ierrors;
163			network_stat_ptr->oerrors=net_data->ifi_oerrors;
164			network_stat_ptr->collisions=net_data->ifi_collisions;
165	pajs	1.14	network_stat_ptr->systime=time(NULL);
166			interfaces++;
167			}
168			freeifaddrs(net);
169	pajs	1.6	#endif
170	pajs	1.1
171	pajs	1.6	#ifdef SOLARIS
172	pajs	1.1	if ((kc = kstat_open()) == NULL) {
173			return NULL;
174			}
175
176	pajs	1.6	interfaces=0;
177	pajs	1.3
178	pajs	1.1	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
179			if (!strcmp(ksp->ks_class, "net")) {
180			kstat_read(kc, ksp, NULL);
181
182	pajs	1.7	#ifdef SOL7
183			#define RLOOKUP "rbytes"
184			#define WLOOKUP "obytes"
185			#define VALTYPE value.ui32
186			#else
187			#define RLOOKUP "rbytes64"
188			#define WLOOKUP "obytes64"
189			#define VALTYPE value.ui64
190			#endif
191
192			if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
193	ats	1.44	/* This is a network interface, but it doesn't
194			* have the rbytes/obytes values; for instance,
195			* the loopback devices have this behaviour
196			* (although they do track packets in/out). */
197	pajs	1.1	continue;
198			}
199	pajs	1.3
200			network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
201	pajs	1.1	if(network_stats==NULL){
202			return NULL;
203			}
204			network_stat_ptr=network_stats+interfaces;
205	pajs	1.7	network_stat_ptr->rx=knp->VALTYPE;
206	pajs	1.1
207	pajs	1.7	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
208	pajs	1.1	continue;
209			}
210	pajs	1.7	network_stat_ptr->tx=knp->VALTYPE;
211	pajs	1.1	if(network_stat_ptr->interface_name!=NULL){
212			free(network_stat_ptr->interface_name);
213			}
214			network_stat_ptr->interface_name=strdup(ksp->ks_name);
215	pajs	1.3
216			network_stat_ptr->systime=time(NULL);
217	pajs	1.1	interfaces++;
218			}
219			}
220	pajs	1.2
221			kstat_close(kc);
222	pajs	1.6	#endif
223			#ifdef LINUX
224			f=fopen("/proc/net/dev", "r");
225			if(f==NULL){
226			return NULL;
227			}
228			/* read the 2 lines.. Its the title, so we dont care :) */
229			fgets(line, sizeof(line), f);
230			fgets(line, sizeof(line), f);
231
232
233	tdb	1.48	if((regcomp(&regex, "^[[:space:]]([^:]+):[[:space:]]([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)", REG_EXTENDED))!=0){
234	pajs	1.6	return NULL;
235			}
236
237			interfaces=0;
238	pajs	1.1
239	pajs	1.6	while((fgets(line, sizeof(line), f)) != NULL){
240			if((regexec(&regex, line, 4, line_match, 0))!=0){
241			continue;
242			}
243			network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
244			if(network_stats==NULL){
245			return NULL;
246			}
247			network_stat_ptr=network_stats+interfaces;
248
249			if(network_stat_ptr->interface_name!=NULL){
250			free(network_stat_ptr->interface_name);
251			}
252
253			network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
254			network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
255	tdb	1.48	network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
256			network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
257			network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
258			network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
259			network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
260			network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
261	pajs	1.6	network_stat_ptr->systime=time(NULL);
262
263			interfaces++;
264			}
265	pajs	1.12	fclose(f);
266	pajs	1.13	regfree(&regex);
267	pajs	1.6
268			#endif
269	ats	1.20
270			#ifdef CYGWIN
271			return NULL;
272			#endif
273
274	pajs	1.1	*entries=interfaces;
275
276			return network_stats;
277	pajs	1.3	}
278
279	pajs	1.8	long long transfer_diff(long long new, long long old){
280	tdb	1.45	#if defined(SOL7) \|\| defined(LINUX) \|\| defined(FREEBSD) \|\| defined(DFBSD)
281	ats	1.19	#define MAXVAL 4294967296LL
282	pajs	1.8	#else
283	ats	1.19	#define MAXVAL 18446744073709551616LL
284	pajs	1.8	#endif
285			long long result;
286	pajs	1.10	if(new>=old){
287	pajs	1.8	result = (new-old);
288			}else{
289			result = (MAXVAL+(new-old));
290			}
291
292			return result;
293
294			}
295
296	ats	1.24	network_stat_t get_network_stats_diff(int entries) {
297			static network_stat_t *diff = NULL;
298			static int diff_count = 0;
299			network_stat_t src, dest;
300			int i, j, new_count;
301
302			if (network_stats == NULL) {
303			/* No previous stats, so we can't calculate a difference. */
304			return get_network_stats(entries);
305	pajs	1.3	}
306
307	ats	1.24	/* Resize the results array to match the previous stats. */
308			diff = network_stat_malloc(interfaces, &diff_count, diff);
309			if (diff == NULL) {
310	pajs	1.3	return NULL;
311			}
312
313	ats	1.24	/* Copy the previous stats into the result. */
314			for (i = 0; i < diff_count; i++) {
315			src = &network_stats[i];
316			dest = &diff[i];
317	pajs	1.3
318	ats	1.24	if (dest->interface_name != NULL) {
319			free(dest->interface_name);
320	pajs	1.3	}
321	ats	1.24	dest->interface_name = strdup(src->interface_name);
322			dest->rx = src->rx;
323			dest->tx = src->tx;
324	tdb	1.47	dest->ipackets = src->ipackets;
325			dest->opackets = src->opackets;
326			dest->ierrors = src->ierrors;
327			dest->oerrors = src->oerrors;
328			dest->collisions = src->collisions;
329	ats	1.24	dest->systime = src->systime;
330			}
331	pajs	1.3
332	ats	1.24	/* Get a new set of stats. */
333			if (get_network_stats(&new_count) == NULL) {
334	ats	1.21	return NULL;
335			}
336	pajs	1.3
337	ats	1.24	/* For each previous stat... */
338			for (i = 0; i < diff_count; i++) {
339			dest = &diff[i];
340
341			/* ... find the corresponding new stat ... */
342			for (j = 0; j < new_count; j++) {
343			/* Try the new stat in the same position first,
344			since that's most likely to be it. */
345			src = &network_stats[(i + j) % new_count];
346			if (strcmp(src->interface_name, dest->interface_name) == 0) {
347			break;
348			}
349			}
350			if (j == new_count) {
351			/* No match found. */
352			continue;
353	pajs	1.3	}
354
355	ats	1.24	/* ... and subtract the previous stat from it to get the
356			difference. */
357			dest->rx = transfer_diff(src->rx, dest->rx);
358			dest->tx = transfer_diff(src->tx, dest->tx);
359	tdb	1.47	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
360			dest->opackets = transfer_diff(src->opackets, dest->opackets);
361			dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
362			dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
363			dest->collisions = transfer_diff(src->collisions, dest->collisions);
364	ats	1.24	dest->systime = src->systime - dest->systime;
365	pajs	1.3	}
366
367	ats	1.24	*entries = diff_count;
368			return diff;
369			}
370	pajs	1.25	/* NETWORK INTERFACE STATS */
371
372			void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
373
374			for(net_stats+=start; start<end; start++){
375			net_stats->interface_name=NULL;
376			net_stats->speed=0;
377	ats	1.31	net_stats->dup=UNKNOWN_DUPLEX;
378	pajs	1.25	net_stats++;
379			}
380			}
381
382			network_iface_stat_t network_iface_stat_malloc(int needed_entries, int cur_entries, network_iface_stat_t *net_stats){
383
384			if(net_stats==NULL){
385
386			if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
387			return NULL;
388			}
389			network_iface_stat_init(0, needed_entries, net_stats);
390			*cur_entries=needed_entries;
391
392			return net_stats;
393			}
394
395
396			if(*cur_entries<needed_entries){
397			net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
398			if(net_stats==NULL){
399			return NULL;
400			}
401			network_iface_stat_init(*cur_entries, needed_entries, net_stats);
402			*cur_entries=needed_entries;
403			}
404
405			return net_stats;
406			}
407
408			network_iface_stat_t get_network_iface_stats(int entries){
409			static network_iface_stat_t *network_iface_stats;
410			network_iface_stat_t *network_iface_stat_ptr;
411			static int sizeof_network_iface_stats=0;
412	ats	1.43	int ifaces = 0;
413	pajs	1.25
414			#ifdef SOLARIS
415			kstat_ctl_t *kc;
416			kstat_t *ksp;
417			kstat_named_t *knp;
418	ats	1.44	int sock;
419	pajs	1.25	#endif
420	pajs	1.26	#ifdef ALLBSD
421			struct ifaddrs net, net_ptr;
422			struct ifmediareq ifmed;
423	pajs	1.36	struct ifreq ifr;
424	ats	1.37	int sock;
425	pajs	1.26	int x;
426			#endif
427	pajs	1.27	#ifdef LINUX
428			FILE *f;
429			/* Horrible big enough, but it should be easily big enough */
430			char line[8096];
431			int sock;
432			#endif
433	ats	1.43
434	pajs	1.26	#ifdef ALLBSD
435			if(getifaddrs(&net) != 0){
436			return NULL;
437			}
438
439	ats	1.37	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
440	pajs	1.26
441			for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
442			if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
443			network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
444			if(network_iface_stats==NULL){
445			return NULL;
446			}
447			network_iface_stat_ptr = network_iface_stats + ifaces;
448
449	ats	1.40	memset(&ifr, 0, sizeof(ifr));
450			strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
451
452			if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
453			continue;
454			}
455			if((ifr.ifr_flags & IFF_UP) != 0){
456			network_iface_stat_ptr->up = 1;
457			}else{
458			network_iface_stat_ptr->up = 0;
459			}
460
461			if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
462			network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
463			if (network_iface_stat_ptr->interface_name == NULL) return NULL;
464
465			network_iface_stat_ptr->speed = 0;
466			network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
467			ifaces++;
468
469	pajs	1.26	memset(&ifmed, 0, sizeof(struct ifmediareq));
470			strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
471	ats	1.37	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
472	ats	1.40	/* Not all interfaces support the media ioctls. */
473	pajs	1.26	continue;
474			}
475
476			/* We may need to change this if we start doing wireless devices too */
477			if( (ifmed.ifm_active \| IFM_ETHER) != ifmed.ifm_active ){
478			/* Not a ETHER device */
479			continue;
480			}
481
482			/* Only intrested in the first 4 bits) - Assuming only ETHER devices */
483			x = ifmed.ifm_active & 0x0f;
484			switch(x){
485			/* 10 Mbit connections. Speedy :) */
486			case(IFM_10_T):
487			case(IFM_10_2):
488			case(IFM_10_5):
489			case(IFM_10_STP):
490			case(IFM_10_FL):
491			network_iface_stat_ptr->speed = 10;
492			break;
493			/* 100 Mbit conneections */
494			case(IFM_100_TX):
495			case(IFM_100_FX):
496			case(IFM_100_T4):
497			case(IFM_100_VG):
498			case(IFM_100_T2):
499			network_iface_stat_ptr->speed = 100;
500			break;
501			/* 1000 Mbit connections */
502			case(IFM_1000_SX):
503			case(IFM_1000_LX):
504			case(IFM_1000_CX):
505	tdb	1.45	#ifdef IFM_1000_TX
506			case(IFM_1000_TX): /* FreeBSD 4 and others? */
507			#endif
508			#ifdef IFM_1000_FX
509			case(IFM_1000_FX): /* FreeBSD 4 */
510			#endif
511			#ifdef IFM_1000_T
512			case(IFM_1000_T): /* FreeBSD 5 */
513	tdb	1.28	#endif
514	pajs	1.26	network_iface_stat_ptr->speed = 1000;
515			break;
516			/* We don't know what it is */
517			default:
518			network_iface_stat_ptr->speed = 0;
519			break;
520			}
521
522			if( (ifmed.ifm_active \| IFM_FDX) == ifmed.ifm_active ){
523			network_iface_stat_ptr->dup = FULL_DUPLEX;
524			}else if( (ifmed.ifm_active \| IFM_HDX) == ifmed.ifm_active ){
525			network_iface_stat_ptr->dup = HALF_DUPLEX;
526			}else{
527	ats	1.31	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
528	pajs	1.26	}
529	pajs	1.36
530	pajs	1.26	}
531			freeifaddrs(net);
532	ats	1.37	close(sock);
533	pajs	1.26	#endif
534	pajs	1.25
535			#ifdef SOLARIS
536	ats	1.44	if ((kc = kstat_open()) == NULL) {
537			return NULL;
538			}
539
540			if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
541			return NULL;
542			}
543	pajs	1.25
544	ats	1.44	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
545			if (!strcmp(ksp->ks_class, "net")) {
546			struct ifreq ifr;
547
548			kstat_read(kc, ksp, NULL);
549
550			strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
551			if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
552			/* Not a network interface. */
553	pajs	1.25	continue;
554			}
555	ats	1.44
556			network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
557			if (network_iface_stats == NULL) {
558	pajs	1.25	return NULL;
559			}
560	pajs	1.26	network_iface_stat_ptr = network_iface_stats + ifaces;
561	ats	1.44	ifaces++;
562
563			if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
564			network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
565			if (network_iface_stat_ptr->interface_name == NULL) return NULL;
566	pajs	1.25
567	ats	1.44	if ((ifr.ifr_flags & IFF_UP) != 0) {
568			network_iface_stat_ptr->up = 1;
569			} else {
570			network_iface_stat_ptr->up = 1;
571			}
572	pajs	1.35
573	ats	1.44	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
574			network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
575			} else {
576			network_iface_stat_ptr->speed = 0;
577	pajs	1.25	}
578
579	pajs	1.33	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
580	ats	1.44	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
581			switch (knp->value.ui32) {
582			case 1:
583			network_iface_stat_ptr->dup = HALF_DUPLEX;
584			break;
585			case 2:
586			network_iface_stat_ptr->dup = FULL_DUPLEX;
587			break;
588			}
589	pajs	1.33	}
590	pajs	1.25	}
591			}
592	ats	1.44
593			close(sock);
594	pajs	1.25	kstat_close(kc);
595			#endif
596	pajs	1.27	#ifdef LINUX
597			f = fopen("/proc/net/dev", "r");
598			if(f == NULL){
599			return NULL;
600			}
601
602			/* Setup stuff so we can do the ioctl to get the info */
603			if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
604			return NULL;
605			}
606
607			/* Ignore first 2 lines.. Just headings */
608	pajs	1.29	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
609			if((fgets(line, sizeof(line), f)) == NULL) return NULL;
610	pajs	1.27
611			while((fgets(line, sizeof(line), f)) != NULL){
612			char name, ptr;
613			struct ifreq ifr;
614	ats	1.38	struct ethtool_cmd ethcmd;
615	pajs	1.27	int err;
616
617			/* Get the interface name */
618			ptr = strchr(line, ':');
619			if (ptr == NULL) continue;
620			*ptr='\0';
621			name = line;
622			while(isspace(*(name))){
623			name++;
624			}
625
626	ats	1.38	memset(&ifr, 0, sizeof ifr);
627			strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
628	pajs	1.27
629	ats	1.38	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
630			continue;
631			}
632	pajs	1.27
633			/* We have a good interface to add */
634			network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
635			if(network_iface_stats==NULL){
636			return NULL;
637			}
638			network_iface_stat_ptr = network_iface_stats + ifaces;
639			network_iface_stat_ptr->interface_name = strdup(name);
640	ats	1.38	if ((ifr.ifr_flags & IFF_UP) != 0) {
641	pajs	1.35	network_iface_stat_ptr->up = 1;
642	ats	1.38	} else {
643	pajs	1.35	network_iface_stat_ptr->up = 0;
644			}
645
646	ats	1.38	memset(&ethcmd, 0, sizeof ethcmd);
647			ethcmd.cmd = ETHTOOL_GSET;
648			ifr.ifr_data = (caddr_t) &ethcmd;
649
650			err = ioctl(sock, SIOCETHTOOL, &ifr);
651			if (err == 0) {
652			network_iface_stat_ptr->speed = ethcmd.speed;
653
654			switch (ethcmd.duplex) {
655			case 0x00:
656			network_iface_stat_ptr->dup = FULL_DUPLEX;
657			break;
658			case 0x01:
659			network_iface_stat_ptr->dup = HALF_DUPLEX;
660			break;
661			default:
662			network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
663			}
664			} else {
665			/* Not all interfaces support the ethtool ioctl. */
666	ats	1.39	network_iface_stat_ptr->speed = 0;
667	ats	1.38	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
668	pajs	1.27	}
669	ats	1.38
670	pajs	1.27	ifaces++;
671			}
672	pajs	1.30	close(sock);
673	ats	1.38	fclose(f);
674	pajs	1.27	#endif
675	pajs	1.26	*entries = ifaces;
676	pajs	1.25	return network_iface_stats;
677			}
678