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 1.58 2004/04/04 21:54:48 tdb Exp $
 */

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

#include <stdlib.h>
#include <string.h>
#include "statgrab.h"
#include "vector.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>
#include <unistd.h>
#endif

static void network_stat_init(network_stat_t *s) {
        s->interface_name = NULL;
        s->tx = 0;
        s->rx = 0;
        s->ipackets = 0;
        s->opackets = 0;
        s->ierrors = 0;
        s->oerrors = 0;
        s->collisions = 0;
}

static void network_stat_destroy(network_stat_t *s) {
        free(s->interface_name);
}

VECTOR_DECLARE_STATIC(network_stats, network_stat_t, 5,
                      network_stat_init, network_stat_destroy);

network_stat_t *get_network_stats(int *entries){
        int interfaces;
        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;

                if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
                        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 LRX "rbytes"
#define LTX "obytes"
#define LIPACKETS "ipackets"
#define LOPACKETS "opackets"
#define VALTYPE value.ui32
#else
#define LRX "rbytes64"
#define LTX "obytes64"
#define LIPACKETS "ipackets64"
#define LOPACKETS "opackets64"
#define VALTYPE value.ui64
#endif

                        /* Read rx */
                        if((knp=kstat_data_lookup(ksp, LRX))==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). */
                                /* FIXME: Show packet counts when byte counts
                                 * not available. */
                                continue;
                        }

                        /* Create new network_stats */
                        if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
                                return NULL;
                        }
                        network_stat_ptr=network_stats+interfaces;

                        /* Finish reading rx */
                        network_stat_ptr->rx=knp->VALTYPE;

                        /* Read tx */
                        if((knp=kstat_data_lookup(ksp, LTX))==NULL){
                                continue;
                        }
                        network_stat_ptr->tx=knp->VALTYPE;

                        /* Read ipackets */
                        if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
                                continue;
                        }
                        network_stat_ptr->ipackets=knp->VALTYPE;

                        /* Read opackets */
                        if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
                                continue;
                        }
                        network_stat_ptr->opackets=knp->VALTYPE;

                        /* Read ierrors */
                        if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
                                continue;
                        }
                        network_stat_ptr->ierrors=knp->value.ui32;

                        /* Read oerrors */
                        if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
                                continue;
                        }
                        network_stat_ptr->oerrors=knp->value.ui32;

                        /* Read collisions */
                        if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
                                continue;
                        }
                        network_stat_ptr->collisions=knp->value.ui32;

                        /* Read interface name */
                        if(network_stat_ptr->interface_name!=NULL){
                                free(network_stat_ptr->interface_name);
                        }
                        network_stat_ptr->interface_name=strdup(ksp->ks_name);

                        /* Store systime */
                        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, "^ *([^:]+): *([0-9]+) +([0-9]+) +([0-9]+) +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +([0-9]+) +([0-9]+) +([0-9]+) +[0-9]+ +[0-9]+ +([0-9]+)", REG_EXTENDED))!=0){
                return NULL;
        }

        interfaces=0;

        while((fgets(line, sizeof(line), f)) != NULL){
                if((regexec(&regex, line, 9, line_match, 0))!=0){
                        continue;
                }

                if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
                        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) || defined(OPENBSD)
        /* 32-bit quantities, so we must explicitly deal with wraparound. */
#define MAXVAL 0x100000000LL
        if (new >= old) {
                return new - old;
        } else {
                return MAXVAL + new - old;
        }
#else
        /* 64-bit quantities, so plain subtraction works. */
        return new - old;
#endif
}

network_stat_t *get_network_stats_diff(int *entries) {
        VECTOR_DECLARE_STATIC(diff, network_stat_t, 1,
                              network_stat_init, network_stat_destroy);
        network_stat_t *src = NULL, *dest;
        int i, j, diff_count, 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_count = VECTOR_SIZE(network_stats);
        if (VECTOR_RESIZE(diff, diff_count) < 0) {
                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 */

static void network_iface_stat_init(network_iface_stat_t *s) {
        s->interface_name = NULL;
        s->speed = 0;
        s->dup = UNKNOWN_DUPLEX;
}

static void network_iface_stat_destroy(network_iface_stat_t *s) {
        free(s->interface_name);
}

network_iface_stat_t *get_network_iface_stats(int *entries){
        VECTOR_DECLARE_STATIC(network_iface_stats, network_iface_stat_t, 5,
                              network_iface_stat_init, network_iface_stat_destroy);
        network_iface_stat_t *network_iface_stat_ptr;
        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;

                if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
                        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):
#if defined(IFM_1000_TX) && !defined(OPENBSD)
                        case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
#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;
                        }

                        if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
                                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 */
                if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
                        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:	1.59
Committed:	Sun Apr 4 22:52:16 2004 UTC (20 years, 1 month ago) by ats
Content type:	text/plain
Branch:	MAIN
Changes since 1.58:	+40 -95 lines
Log Message:	Make network_stats use vectors.
#	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	1.59	* $Id: network_stats.c,v 1.58 2004/04/04 21:54:48 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	ats	1.59	#include "vector.h"
32	tdb	1.11	#include <time.h>
33	pajs	1.1	#ifdef SOLARIS
34			#include <kstat.h>
35			#include <sys/sysinfo.h>
36	ats	1.44	#include <sys/types.h>
37			#include <sys/socket.h>
38			#include <sys/ioctl.h>
39			#include <net/if.h>
40			#include <netinet/in.h>
41			#include <sys/sockio.h>
42	pajs	1.6	#endif
43			#ifdef LINUX
44			#include <stdio.h>
45			#include <sys/types.h>
46			#include <regex.h>
47	pajs	1.27	#include <sys/ioctl.h>
48			#include <sys/socket.h>
49			#include <net/if.h>
50			#include <ctype.h>
51	pajs	1.6	#include "tools.h"
52	pajs	1.27	/* Stuff which could be defined by defining KERNEL, but
53			* that would be a bad idea, so we'll just declare it here
54			*/
55			typedef __uint8_t u8;
56			typedef __uint16_t u16;
57			typedef __uint32_t u32;
58	ats	1.42	typedef __uint64_t u64;
59	pajs	1.27	#include <linux/ethtool.h>
60			#include <linux/sockios.h>
61	ats	1.32	#include <unistd.h>
62	pajs	1.1	#endif
63	ats	1.18	#ifdef ALLBSD
64	pajs	1.14	#include <sys/types.h>
65			#include <sys/socket.h>
66			#include <ifaddrs.h>
67			#include <net/if.h>
68	pajs	1.26	#include <net/if_media.h>
69			#include <sys/ioctl.h>
70	tdb	1.58	#include <unistd.h>
71	pajs	1.14	#endif
72	pajs	1.1
73	ats	1.59	static void network_stat_init(network_stat_t *s) {
74			s->interface_name = NULL;
75			s->tx = 0;
76			s->rx = 0;
77			s->ipackets = 0;
78			s->opackets = 0;
79			s->ierrors = 0;
80			s->oerrors = 0;
81			s->collisions = 0;
82	pajs	1.3	}
83
84	ats	1.59	static void network_stat_destroy(network_stat_t *s) {
85			free(s->interface_name);
86	pajs	1.1	}
87
88	ats	1.59	VECTOR_DECLARE_STATIC(network_stats, network_stat_t, 5,
89			network_stat_init, network_stat_destroy);
90	pajs	1.3
91	pajs	1.1	network_stat_t get_network_stats(int entries){
92	ats	1.59	int interfaces;
93	pajs	1.6	network_stat_t *network_stat_ptr;
94
95			#ifdef SOLARIS
96	pajs	1.1	kstat_ctl_t *kc;
97			kstat_t *ksp;
98			kstat_named_t *knp;
99	pajs	1.6	#endif
100	pajs	1.3
101	pajs	1.6	#ifdef LINUX
102			FILE *f;
103	pajs	1.12	/* Horrible big enough, but it should be easily big enough */
104	pajs	1.6	char line[8096];
105			regex_t regex;
106	ats	1.49	regmatch_t line_match[9];
107	pajs	1.14	#endif
108	ats	1.18	#ifdef ALLBSD
109	pajs	1.14	struct ifaddrs net, net_ptr;
110			struct if_data *net_data;
111			#endif
112
113	ats	1.18	#ifdef ALLBSD
114	pajs	1.14	if(getifaddrs(&net) != 0){
115			return NULL;
116			}
117
118			interfaces=0;
119
120			for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
121			if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
122	ats	1.59
123			if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
124	pajs	1.14	return NULL;
125			}
126			network_stat_ptr=network_stats+interfaces;
127
128			if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
129			network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
130			if(network_stat_ptr->interface_name==NULL) return NULL;
131			net_data=(struct if_data *)net_ptr->ifa_data;
132			network_stat_ptr->rx=net_data->ifi_ibytes;
133	tdb	1.46	network_stat_ptr->tx=net_data->ifi_obytes;
134			network_stat_ptr->ipackets=net_data->ifi_ipackets;
135			network_stat_ptr->opackets=net_data->ifi_opackets;
136			network_stat_ptr->ierrors=net_data->ifi_ierrors;
137			network_stat_ptr->oerrors=net_data->ifi_oerrors;
138			network_stat_ptr->collisions=net_data->ifi_collisions;
139	pajs	1.14	network_stat_ptr->systime=time(NULL);
140			interfaces++;
141			}
142			freeifaddrs(net);
143	pajs	1.6	#endif
144	pajs	1.1
145	pajs	1.6	#ifdef SOLARIS
146	pajs	1.1	if ((kc = kstat_open()) == NULL) {
147			return NULL;
148			}
149
150	pajs	1.6	interfaces=0;
151	pajs	1.3
152	pajs	1.1	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
153			if (!strcmp(ksp->ks_class, "net")) {
154			kstat_read(kc, ksp, NULL);
155
156	pajs	1.7	#ifdef SOL7
157	tdb	1.53	#define LRX "rbytes"
158			#define LTX "obytes"
159			#define LIPACKETS "ipackets"
160			#define LOPACKETS "opackets"
161	pajs	1.7	#define VALTYPE value.ui32
162			#else
163	tdb	1.53	#define LRX "rbytes64"
164			#define LTX "obytes64"
165			#define LIPACKETS "ipackets64"
166			#define LOPACKETS "opackets64"
167	pajs	1.7	#define VALTYPE value.ui64
168			#endif
169
170	tdb	1.53	/* Read rx */
171			if((knp=kstat_data_lookup(ksp, LRX))==NULL){
172	ats	1.44	/* This is a network interface, but it doesn't
173			* have the rbytes/obytes values; for instance,
174			* the loopback devices have this behaviour
175			* (although they do track packets in/out). */
176	ats	1.55	/* FIXME: Show packet counts when byte counts
177			* not available. */
178	pajs	1.1	continue;
179			}
180	pajs	1.3
181	tdb	1.53	/* Create new network_stats */
182	ats	1.59	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
183	pajs	1.1	return NULL;
184			}
185			network_stat_ptr=network_stats+interfaces;
186	tdb	1.53
187			/* Finish reading rx */
188	pajs	1.7	network_stat_ptr->rx=knp->VALTYPE;
189	pajs	1.1
190	tdb	1.53	/* Read tx */
191			if((knp=kstat_data_lookup(ksp, LTX))==NULL){
192	pajs	1.1	continue;
193			}
194	pajs	1.7	network_stat_ptr->tx=knp->VALTYPE;
195	tdb	1.53
196			/* Read ipackets */
197			if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
198			continue;
199			}
200			network_stat_ptr->ipackets=knp->VALTYPE;
201
202			/* Read opackets */
203			if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
204			continue;
205			}
206			network_stat_ptr->opackets=knp->VALTYPE;
207
208			/* Read ierrors */
209			if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
210			continue;
211			}
212			network_stat_ptr->ierrors=knp->value.ui32;
213
214			/* Read oerrors */
215			if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
216			continue;
217			}
218			network_stat_ptr->oerrors=knp->value.ui32;
219
220			/* Read collisions */
221			if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
222			continue;
223			}
224			network_stat_ptr->collisions=knp->value.ui32;
225
226			/* Read interface name */
227	pajs	1.1	if(network_stat_ptr->interface_name!=NULL){
228			free(network_stat_ptr->interface_name);
229			}
230			network_stat_ptr->interface_name=strdup(ksp->ks_name);
231	pajs	1.3
232	tdb	1.53	/* Store systime */
233	pajs	1.3	network_stat_ptr->systime=time(NULL);
234	tdb	1.53
235	pajs	1.1	interfaces++;
236			}
237			}
238	pajs	1.2
239			kstat_close(kc);
240	pajs	1.6	#endif
241			#ifdef LINUX
242			f=fopen("/proc/net/dev", "r");
243			if(f==NULL){
244			return NULL;
245			}
246			/* read the 2 lines.. Its the title, so we dont care :) */
247			fgets(line, sizeof(line), f);
248			fgets(line, sizeof(line), f);
249
250
251	ats	1.50	if((regcomp(&regex, "^ ([^:]+): ([0-9]+) +([0-9]+) +([0-9]+) +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +([0-9]+) +([0-9]+) +([0-9]+) +[0-9]+ +[0-9]+ +([0-9]+)", REG_EXTENDED))!=0){
252	pajs	1.6	return NULL;
253			}
254
255			interfaces=0;
256	pajs	1.1
257	pajs	1.6	while((fgets(line, sizeof(line), f)) != NULL){
258	ats	1.51	if((regexec(&regex, line, 9, line_match, 0))!=0){
259	pajs	1.6	continue;
260			}
261	ats	1.59
262			if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
263			return NULL;
264	pajs	1.6	}
265			network_stat_ptr=network_stats+interfaces;
266
267			if(network_stat_ptr->interface_name!=NULL){
268			free(network_stat_ptr->interface_name);
269			}
270
271			network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
272			network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
273	tdb	1.48	network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
274			network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
275			network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
276			network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
277			network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
278			network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
279	pajs	1.6	network_stat_ptr->systime=time(NULL);
280
281			interfaces++;
282			}
283	pajs	1.12	fclose(f);
284	pajs	1.13	regfree(&regex);
285	pajs	1.6
286			#endif
287	ats	1.20
288			#ifdef CYGWIN
289			return NULL;
290			#endif
291
292	pajs	1.1	*entries=interfaces;
293
294			return network_stats;
295	pajs	1.3	}
296
297	pajs	1.8	long long transfer_diff(long long new, long long old){
298	ats	1.56	#if defined(SOL7) \|\| defined(LINUX) \|\| defined(FREEBSD) \|\| defined(DFBSD) \|\| defined(OPENBSD)
299			/* 32-bit quantities, so we must explicitly deal with wraparound. */
300			#define MAXVAL 0x100000000LL
301			if (new >= old) {
302			return new - old;
303			} else {
304			return MAXVAL + new - old;
305			}
306	pajs	1.8	#else
307	ats	1.56	/* 64-bit quantities, so plain subtraction works. */
308			return new - old;
309	pajs	1.8	#endif
310			}
311
312	ats	1.24	network_stat_t get_network_stats_diff(int entries) {
313	ats	1.59	VECTOR_DECLARE_STATIC(diff, network_stat_t, 1,
314			network_stat_init, network_stat_destroy);
315	ats	1.57	network_stat_t src = NULL, dest;
316	ats	1.59	int i, j, diff_count, new_count;
317	ats	1.24
318			if (network_stats == NULL) {
319			/* No previous stats, so we can't calculate a difference. */
320			return get_network_stats(entries);
321	pajs	1.3	}
322
323	ats	1.24	/* Resize the results array to match the previous stats. */
324	ats	1.59	diff_count = VECTOR_SIZE(network_stats);
325			if (VECTOR_RESIZE(diff, diff_count) < 0) {
326	pajs	1.3	return NULL;
327			}
328
329	ats	1.24	/* Copy the previous stats into the result. */
330			for (i = 0; i < diff_count; i++) {
331			src = &network_stats[i];
332			dest = &diff[i];
333	pajs	1.3
334	ats	1.24	if (dest->interface_name != NULL) {
335			free(dest->interface_name);
336	pajs	1.3	}
337	ats	1.24	dest->interface_name = strdup(src->interface_name);
338			dest->rx = src->rx;
339			dest->tx = src->tx;
340	tdb	1.47	dest->ipackets = src->ipackets;
341			dest->opackets = src->opackets;
342			dest->ierrors = src->ierrors;
343			dest->oerrors = src->oerrors;
344			dest->collisions = src->collisions;
345	ats	1.24	dest->systime = src->systime;
346			}
347	pajs	1.3
348	ats	1.24	/* Get a new set of stats. */
349			if (get_network_stats(&new_count) == NULL) {
350	ats	1.21	return NULL;
351			}
352	pajs	1.3
353	ats	1.24	/* For each previous stat... */
354			for (i = 0; i < diff_count; i++) {
355			dest = &diff[i];
356
357			/* ... find the corresponding new stat ... */
358			for (j = 0; j < new_count; j++) {
359			/* Try the new stat in the same position first,
360			since that's most likely to be it. */
361			src = &network_stats[(i + j) % new_count];
362			if (strcmp(src->interface_name, dest->interface_name) == 0) {
363			break;
364			}
365			}
366			if (j == new_count) {
367			/* No match found. */
368			continue;
369	pajs	1.3	}
370
371	ats	1.24	/* ... and subtract the previous stat from it to get the
372			difference. */
373			dest->rx = transfer_diff(src->rx, dest->rx);
374			dest->tx = transfer_diff(src->tx, dest->tx);
375	tdb	1.47	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
376			dest->opackets = transfer_diff(src->opackets, dest->opackets);
377			dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
378			dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
379			dest->collisions = transfer_diff(src->collisions, dest->collisions);
380	ats	1.24	dest->systime = src->systime - dest->systime;
381	pajs	1.3	}
382
383	ats	1.24	*entries = diff_count;
384			return diff;
385			}
386	ats	1.59
387	pajs	1.25	/* NETWORK INTERFACE STATS */
388
389	ats	1.59	static void network_iface_stat_init(network_iface_stat_t *s) {
390			s->interface_name = NULL;
391			s->speed = 0;
392			s->dup = UNKNOWN_DUPLEX;
393	pajs	1.25	}
394
395	ats	1.59	static void network_iface_stat_destroy(network_iface_stat_t *s) {
396			free(s->interface_name);
397	pajs	1.25	}
398
399			network_iface_stat_t get_network_iface_stats(int entries){
400	ats	1.59	VECTOR_DECLARE_STATIC(network_iface_stats, network_iface_stat_t, 5,
401			network_iface_stat_init, network_iface_stat_destroy);
402	pajs	1.25	network_iface_stat_t *network_iface_stat_ptr;
403	ats	1.43	int ifaces = 0;
404	pajs	1.25
405			#ifdef SOLARIS
406			kstat_ctl_t *kc;
407			kstat_t *ksp;
408			kstat_named_t *knp;
409	ats	1.44	int sock;
410	pajs	1.25	#endif
411	pajs	1.26	#ifdef ALLBSD
412			struct ifaddrs net, net_ptr;
413			struct ifmediareq ifmed;
414	pajs	1.36	struct ifreq ifr;
415	ats	1.37	int sock;
416	pajs	1.26	int x;
417			#endif
418	pajs	1.27	#ifdef LINUX
419			FILE *f;
420			/* Horrible big enough, but it should be easily big enough */
421			char line[8096];
422			int sock;
423			#endif
424	ats	1.43
425	pajs	1.26	#ifdef ALLBSD
426			if(getifaddrs(&net) != 0){
427			return NULL;
428			}
429
430	ats	1.37	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
431	pajs	1.26
432			for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
433			if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
434	ats	1.59
435			if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
436	pajs	1.26	return NULL;
437			}
438			network_iface_stat_ptr = network_iface_stats + ifaces;
439
440	ats	1.40	memset(&ifr, 0, sizeof(ifr));
441			strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
442
443			if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
444			continue;
445			}
446			if((ifr.ifr_flags & IFF_UP) != 0){
447			network_iface_stat_ptr->up = 1;
448			}else{
449			network_iface_stat_ptr->up = 0;
450			}
451
452			if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
453			network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
454			if (network_iface_stat_ptr->interface_name == NULL) return NULL;
455
456			network_iface_stat_ptr->speed = 0;
457			network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
458			ifaces++;
459
460	pajs	1.26	memset(&ifmed, 0, sizeof(struct ifmediareq));
461			strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
462	ats	1.37	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
463	ats	1.40	/* Not all interfaces support the media ioctls. */
464	pajs	1.26	continue;
465			}
466
467			/* We may need to change this if we start doing wireless devices too */
468			if( (ifmed.ifm_active \| IFM_ETHER) != ifmed.ifm_active ){
469			/* Not a ETHER device */
470			continue;
471			}
472
473			/* Only intrested in the first 4 bits) - Assuming only ETHER devices */
474			x = ifmed.ifm_active & 0x0f;
475			switch(x){
476			/* 10 Mbit connections. Speedy :) */
477			case(IFM_10_T):
478			case(IFM_10_2):
479			case(IFM_10_5):
480			case(IFM_10_STP):
481			case(IFM_10_FL):
482			network_iface_stat_ptr->speed = 10;
483			break;
484			/* 100 Mbit conneections */
485			case(IFM_100_TX):
486			case(IFM_100_FX):
487			case(IFM_100_T4):
488			case(IFM_100_VG):
489			case(IFM_100_T2):
490			network_iface_stat_ptr->speed = 100;
491			break;
492			/* 1000 Mbit connections */
493			case(IFM_1000_SX):
494			case(IFM_1000_LX):
495			case(IFM_1000_CX):
496	tdb	1.54	#if defined(IFM_1000_TX) && !defined(OPENBSD)
497			case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
498	tdb	1.45	#endif
499			#ifdef IFM_1000_FX
500			case(IFM_1000_FX): /* FreeBSD 4 */
501			#endif
502			#ifdef IFM_1000_T
503			case(IFM_1000_T): /* FreeBSD 5 */
504	tdb	1.28	#endif
505	pajs	1.26	network_iface_stat_ptr->speed = 1000;
506			break;
507			/* We don't know what it is */
508			default:
509			network_iface_stat_ptr->speed = 0;
510			break;
511			}
512
513			if( (ifmed.ifm_active \| IFM_FDX) == ifmed.ifm_active ){
514			network_iface_stat_ptr->dup = FULL_DUPLEX;
515			}else if( (ifmed.ifm_active \| IFM_HDX) == ifmed.ifm_active ){
516			network_iface_stat_ptr->dup = HALF_DUPLEX;
517			}else{
518	ats	1.31	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
519	pajs	1.26	}
520	pajs	1.36
521	pajs	1.26	}
522			freeifaddrs(net);
523	ats	1.37	close(sock);
524	pajs	1.26	#endif
525	pajs	1.25
526			#ifdef SOLARIS
527	ats	1.44	if ((kc = kstat_open()) == NULL) {
528			return NULL;
529			}
530
531			if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
532			return NULL;
533			}
534	pajs	1.25
535	ats	1.44	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
536			if (!strcmp(ksp->ks_class, "net")) {
537			struct ifreq ifr;
538
539			kstat_read(kc, ksp, NULL);
540
541			strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
542			if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
543			/* Not a network interface. */
544	pajs	1.25	continue;
545			}
546	ats	1.44
547	ats	1.59	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
548	pajs	1.25	return NULL;
549			}
550	pajs	1.26	network_iface_stat_ptr = network_iface_stats + ifaces;
551	ats	1.44	ifaces++;
552
553			if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
554			network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
555			if (network_iface_stat_ptr->interface_name == NULL) return NULL;
556	pajs	1.25
557	ats	1.44	if ((ifr.ifr_flags & IFF_UP) != 0) {
558			network_iface_stat_ptr->up = 1;
559			} else {
560			network_iface_stat_ptr->up = 1;
561			}
562	pajs	1.35
563	ats	1.44	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
564			network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
565			} else {
566			network_iface_stat_ptr->speed = 0;
567	pajs	1.25	}
568
569	pajs	1.33	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
570	ats	1.44	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
571			switch (knp->value.ui32) {
572			case 1:
573			network_iface_stat_ptr->dup = HALF_DUPLEX;
574			break;
575			case 2:
576			network_iface_stat_ptr->dup = FULL_DUPLEX;
577			break;
578			}
579	pajs	1.33	}
580	pajs	1.25	}
581			}
582	ats	1.44
583			close(sock);
584	pajs	1.25	kstat_close(kc);
585			#endif
586	pajs	1.27	#ifdef LINUX
587			f = fopen("/proc/net/dev", "r");
588			if(f == NULL){
589			return NULL;
590			}
591
592			/* Setup stuff so we can do the ioctl to get the info */
593			if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
594			return NULL;
595			}
596
597			/* Ignore first 2 lines.. Just headings */
598	pajs	1.29	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
599			if((fgets(line, sizeof(line), f)) == NULL) return NULL;
600	pajs	1.27
601			while((fgets(line, sizeof(line), f)) != NULL){
602			char name, ptr;
603			struct ifreq ifr;
604	ats	1.38	struct ethtool_cmd ethcmd;
605	pajs	1.27	int err;
606
607			/* Get the interface name */
608			ptr = strchr(line, ':');
609			if (ptr == NULL) continue;
610			*ptr='\0';
611			name = line;
612			while(isspace(*(name))){
613			name++;
614			}
615
616	ats	1.38	memset(&ifr, 0, sizeof ifr);
617			strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
618	pajs	1.27
619	ats	1.38	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
620			continue;
621			}
622	pajs	1.27
623			/* We have a good interface to add */
624	ats	1.59	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
625	pajs	1.27	return NULL;
626			}
627			network_iface_stat_ptr = network_iface_stats + ifaces;
628			network_iface_stat_ptr->interface_name = strdup(name);
629	ats	1.38	if ((ifr.ifr_flags & IFF_UP) != 0) {
630	pajs	1.35	network_iface_stat_ptr->up = 1;
631	ats	1.38	} else {
632	pajs	1.35	network_iface_stat_ptr->up = 0;
633			}
634
635	ats	1.38	memset(&ethcmd, 0, sizeof ethcmd);
636			ethcmd.cmd = ETHTOOL_GSET;
637			ifr.ifr_data = (caddr_t) &ethcmd;
638
639			err = ioctl(sock, SIOCETHTOOL, &ifr);
640			if (err == 0) {
641			network_iface_stat_ptr->speed = ethcmd.speed;
642
643			switch (ethcmd.duplex) {
644			case 0x00:
645			network_iface_stat_ptr->dup = FULL_DUPLEX;
646			break;
647			case 0x01:
648			network_iface_stat_ptr->dup = HALF_DUPLEX;
649			break;
650			default:
651			network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
652			}
653			} else {
654			/* Not all interfaces support the ethtool ioctl. */
655	ats	1.39	network_iface_stat_ptr->speed = 0;
656	ats	1.38	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
657	pajs	1.27	}
658	ats	1.38
659	pajs	1.27	ifaces++;
660			}
661	pajs	1.30	close(sock);
662	ats	1.38	fclose(f);
663	pajs	1.27	#endif
664	pajs	1.26	*entries = ifaces;
665	pajs	1.25	return network_iface_stats;
666			}
667