src/libstatgrab/network_stats.c

/*
 * i-scream libstatgrab
 * 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 1.66 2004/04/07 21:08:40 tdb Exp $
 */

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

#include <stdlib.h>
#include <string.h>
#include "statgrab.h"
#include "vector.h"
#include "tools.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>
#include <unistd.h>
#endif
#ifdef LINUX
#include <stdio.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <ctype.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(sg_network_io_stats *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(sg_network_io_stats *s) {
        free(s->interface_name);
}

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

sg_network_io_stats *sg_get_network_io_stats(int *entries){
        int interfaces;
        sg_network_io_stats *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){
                sg_set_error(SG_ERROR_GETIFADDRS, NULL);
                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 (sg_update_string(&network_stat_ptr->interface_name,
                                     net_ptr->ifa_name) < 0) {
                        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) {
                sg_set_error(SG_ERROR_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 (sg_update_string(&network_stat_ptr->interface_name,
                                             ksp->ks_name) < 0) {
                                return NULL;
                        }

                        /* Store systime */
                        network_stat_ptr->systime=time(NULL);

                        interfaces++;
                }
        }
                
        kstat_close(kc);        
#endif
#ifdef LINUX
        f=fopen("/proc/net/dev", "r");
        if(f==NULL){
                sg_set_error(SG_ERROR_OPEN, "/proc/net/dev");
                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){
                sg_set_error(SG_ERROR_PARSE, NULL);
                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=sg_get_string_match(line, &line_match[1]);
                network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
                network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
                network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
                network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
                network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
                network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
                network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
                network_stat_ptr->systime=time(NULL);

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

#endif

#ifdef CYGWIN
        sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
        return NULL;
#endif

        *entries=interfaces;

        return network_stats;   
}

static 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
}

sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) {
        VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
                              network_stat_init, network_stat_destroy);
        sg_network_io_stats *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 sg_get_network_io_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 (sg_update_string(&dest->interface_name,
                                     src->interface_name) < 0) {
                        return NULL;
                }
                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 (sg_get_network_io_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(sg_network_iface_stats *s) {
        s->interface_name = NULL;
        s->speed = 0;
        s->dup = SG_IFACE_DUPLEX_UNKNOWN;
}

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

sg_network_iface_stats *sg_get_network_iface_stats(int *entries){
        VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
                              network_iface_stat_init, network_iface_stat_destroy);
        sg_network_iface_stats *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){
                sg_set_error(SG_ERROR_GETIFADDRS, NULL);
                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 (sg_update_string(&network_iface_stat_ptr->interface_name,
                                     net_ptr->ifa_name) < 0) {
                        return NULL;
                }

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

                memset(&ifmed, 0, sizeof(struct ifmediareq));
                sg_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 = SG_IFACE_DUPLEX_FULL;
                }else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
                        network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
                }else{
                        network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
                }

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

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

        if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
                sg_set_error(SG_ERROR_SOCKET, NULL);
                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 (sg_update_string(&network_iface_stat_ptr->interface_name,
                                             ksp->ks_name) < 0) {
                                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 = SG_IFACE_DUPLEX_UNKNOWN;
                        if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
                                switch (knp->value.ui32) {
                                case 1:
                                        network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
                                        break;
                                case 2:
                                        network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
                                        break;
                                }
                        }
                }
        }

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

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

        /* Ignore first 2 lines.. Just headings */
        if((fgets(line, sizeof(line), f)) == NULL) {
                sg_set_error(SG_ERROR_PARSE, NULL);
                return NULL;
        }
        if((fgets(line, sizeof(line), f)) == NULL) {
                sg_set_error(SG_ERROR_PARSE, 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;
                
                if (sg_update_string(&network_iface_stat_ptr->interface_name,
                                     name) < 0) {
                        return NULL;
                }
                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 = SG_IFACE_DUPLEX_FULL;
                                break;
                        case 0x01:
                                network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
                                break;
                        default:
                                network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
                        }
                } else {
                        /* Not all interfaces support the ethtool ioctl. */
                        network_iface_stat_ptr->speed = 0;
                        network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
                }

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

Revision:	1.67
Committed:	Thu Apr 8 10:56:13 2004 UTC (20 years, 1 month ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.66:	+1 -2 lines
Log Message:	Shift a bunch of parsing functions to be linux/cygwin only. Prompted by a regex related compile error on FreeBSD (we don't use regex's on FreeBSD).
#	User	Rev	Content
1	tdb	1.22	/*
2	tdb	1.64	* i-scream libstatgrab
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	tdb	1.67	* $Id: network_stats.c,v 1.66 2004/04/07 21:08:40 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	ats	1.60	#include "tools.h"
33	tdb	1.11	#include <time.h>
34	pajs	1.1	#ifdef SOLARIS
35			#include <kstat.h>
36			#include <sys/sysinfo.h>
37	ats	1.44	#include <sys/types.h>
38			#include <sys/socket.h>
39			#include <sys/ioctl.h>
40			#include <net/if.h>
41			#include <netinet/in.h>
42			#include <sys/sockio.h>
43	tdb	1.61	#include <unistd.h>
44	pajs	1.6	#endif
45			#ifdef LINUX
46			#include <stdio.h>
47			#include <sys/types.h>
48	pajs	1.27	#include <sys/ioctl.h>
49			#include <sys/socket.h>
50			#include <net/if.h>
51			#include <ctype.h>
52			/* 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	1.62	static void network_stat_init(sg_network_io_stats *s) {
74	ats	1.59	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	1.62	static void network_stat_destroy(sg_network_io_stats *s) {
85	ats	1.59	free(s->interface_name);
86	pajs	1.1	}
87
88	ats	1.62	VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5,
89	tdb	1.65	network_stat_init, network_stat_destroy);
90	pajs	1.3
91	ats	1.62	sg_network_io_stats sg_get_network_io_stats(int entries){
92	ats	1.59	int interfaces;
93	ats	1.62	sg_network_io_stats *network_stat_ptr;
94	pajs	1.6
95			#ifdef SOLARIS
96	tdb	1.65	kstat_ctl_t *kc;
97			kstat_t *ksp;
98	pajs	1.1	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	tdb	1.66	sg_set_error(SG_ERROR_GETIFADDRS, NULL);
116	pajs	1.14	return NULL;
117			}
118
119			interfaces=0;
120
121			for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
122			if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
123	ats	1.59
124			if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
125	pajs	1.14	return NULL;
126			}
127			network_stat_ptr=network_stats+interfaces;
128
129	ats	1.62	if (sg_update_string(&network_stat_ptr->interface_name,
130	tdb	1.65	net_ptr->ifa_name) < 0) {
131	ats	1.60	return NULL;
132			}
133	pajs	1.14	net_data=(struct if_data *)net_ptr->ifa_data;
134			network_stat_ptr->rx=net_data->ifi_ibytes;
135	tdb	1.46	network_stat_ptr->tx=net_data->ifi_obytes;
136			network_stat_ptr->ipackets=net_data->ifi_ipackets;
137			network_stat_ptr->opackets=net_data->ifi_opackets;
138			network_stat_ptr->ierrors=net_data->ifi_ierrors;
139			network_stat_ptr->oerrors=net_data->ifi_oerrors;
140			network_stat_ptr->collisions=net_data->ifi_collisions;
141	pajs	1.14	network_stat_ptr->systime=time(NULL);
142			interfaces++;
143			}
144			freeifaddrs(net);
145	pajs	1.6	#endif
146	pajs	1.1
147	pajs	1.6	#ifdef SOLARIS
148	tdb	1.65	if ((kc = kstat_open()) == NULL) {
149	tdb	1.66	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
150	tdb	1.65	return NULL;
151			}
152	pajs	1.1
153	pajs	1.6	interfaces=0;
154	pajs	1.3
155	tdb	1.66	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
156	tdb	1.65	if (!strcmp(ksp->ks_class, "net")) {
157			kstat_read(kc, ksp, NULL);
158	pajs	1.1
159	pajs	1.7	#ifdef SOL7
160	tdb	1.53	#define LRX "rbytes"
161			#define LTX "obytes"
162			#define LIPACKETS "ipackets"
163			#define LOPACKETS "opackets"
164	pajs	1.7	#define VALTYPE value.ui32
165			#else
166	tdb	1.53	#define LRX "rbytes64"
167			#define LTX "obytes64"
168			#define LIPACKETS "ipackets64"
169			#define LOPACKETS "opackets64"
170	pajs	1.7	#define VALTYPE value.ui64
171			#endif
172
173	tdb	1.53	/* Read rx */
174			if((knp=kstat_data_lookup(ksp, LRX))==NULL){
175	ats	1.44	/* This is a network interface, but it doesn't
176			* have the rbytes/obytes values; for instance,
177			* the loopback devices have this behaviour
178			* (although they do track packets in/out). */
179	ats	1.55	/* FIXME: Show packet counts when byte counts
180			* not available. */
181	pajs	1.1	continue;
182			}
183	pajs	1.3
184	tdb	1.53	/* Create new network_stats */
185	ats	1.59	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
186	pajs	1.1	return NULL;
187			}
188			network_stat_ptr=network_stats+interfaces;
189	tdb	1.53
190			/* Finish reading rx */
191	pajs	1.7	network_stat_ptr->rx=knp->VALTYPE;
192	pajs	1.1
193	tdb	1.53	/* Read tx */
194			if((knp=kstat_data_lookup(ksp, LTX))==NULL){
195	pajs	1.1	continue;
196			}
197	pajs	1.7	network_stat_ptr->tx=knp->VALTYPE;
198	tdb	1.53
199			/* Read ipackets */
200			if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
201			continue;
202			}
203			network_stat_ptr->ipackets=knp->VALTYPE;
204
205			/* Read opackets */
206			if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
207			continue;
208			}
209			network_stat_ptr->opackets=knp->VALTYPE;
210
211			/* Read ierrors */
212			if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
213			continue;
214			}
215			network_stat_ptr->ierrors=knp->value.ui32;
216
217			/* Read oerrors */
218			if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
219			continue;
220			}
221			network_stat_ptr->oerrors=knp->value.ui32;
222
223			/* Read collisions */
224			if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
225			continue;
226			}
227			network_stat_ptr->collisions=knp->value.ui32;
228
229			/* Read interface name */
230	ats	1.62	if (sg_update_string(&network_stat_ptr->interface_name,
231	tdb	1.65	ksp->ks_name) < 0) {
232	ats	1.60	return NULL;
233	pajs	1.1	}
234	pajs	1.3
235	tdb	1.53	/* Store systime */
236	pajs	1.3	network_stat_ptr->systime=time(NULL);
237	tdb	1.53
238	pajs	1.1	interfaces++;
239			}
240			}
241	pajs	1.2
242			kstat_close(kc);
243	pajs	1.6	#endif
244			#ifdef LINUX
245			f=fopen("/proc/net/dev", "r");
246			if(f==NULL){
247	tdb	1.66	sg_set_error(SG_ERROR_OPEN, "/proc/net/dev");
248	pajs	1.6	return NULL;
249			}
250			/* read the 2 lines.. Its the title, so we dont care :) */
251			fgets(line, sizeof(line), f);
252			fgets(line, sizeof(line), f);
253
254
255	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){
256	tdb	1.66	sg_set_error(SG_ERROR_PARSE, NULL);
257	pajs	1.6	return NULL;
258			}
259
260			interfaces=0;
261	pajs	1.1
262	pajs	1.6	while((fgets(line, sizeof(line), f)) != NULL){
263	ats	1.51	if((regexec(&regex, line, 9, line_match, 0))!=0){
264	pajs	1.6	continue;
265			}
266	ats	1.59
267			if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
268			return NULL;
269	pajs	1.6	}
270	tdb	1.65	network_stat_ptr=network_stats+interfaces;
271	pajs	1.6
272			if(network_stat_ptr->interface_name!=NULL){
273			free(network_stat_ptr->interface_name);
274			}
275
276	ats	1.62	network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]);
277			network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
278			network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
279			network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
280			network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
281			network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
282			network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
283			network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
284	pajs	1.6	network_stat_ptr->systime=time(NULL);
285
286			interfaces++;
287			}
288	pajs	1.12	fclose(f);
289	pajs	1.13	regfree(&regex);
290	pajs	1.6
291			#endif
292	ats	1.20
293			#ifdef CYGWIN
294	tdb	1.66	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
295	ats	1.20	return NULL;
296			#endif
297
298	pajs	1.1	*entries=interfaces;
299
300			return network_stats;
301	pajs	1.3	}
302
303	ats	1.62	static long long transfer_diff(long long new, long long old){
304	ats	1.56	#if defined(SOL7) \|\| defined(LINUX) \|\| defined(FREEBSD) \|\| defined(DFBSD) \|\| defined(OPENBSD)
305			/* 32-bit quantities, so we must explicitly deal with wraparound. */
306			#define MAXVAL 0x100000000LL
307			if (new >= old) {
308			return new - old;
309			} else {
310			return MAXVAL + new - old;
311			}
312	pajs	1.8	#else
313	ats	1.56	/* 64-bit quantities, so plain subtraction works. */
314			return new - old;
315	pajs	1.8	#endif
316			}
317
318	ats	1.62	sg_network_io_stats sg_get_network_io_stats_diff(int entries) {
319			VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
320	tdb	1.65	network_stat_init, network_stat_destroy);
321	ats	1.62	sg_network_io_stats src = NULL, dest;
322	ats	1.59	int i, j, diff_count, new_count;
323	ats	1.24
324			if (network_stats == NULL) {
325			/* No previous stats, so we can't calculate a difference. */
326	ats	1.62	return sg_get_network_io_stats(entries);
327	pajs	1.3	}
328
329	ats	1.24	/* Resize the results array to match the previous stats. */
330	ats	1.59	diff_count = VECTOR_SIZE(network_stats);
331			if (VECTOR_RESIZE(diff, diff_count) < 0) {
332	pajs	1.3	return NULL;
333			}
334
335	ats	1.24	/* Copy the previous stats into the result. */
336			for (i = 0; i < diff_count; i++) {
337			src = &network_stats[i];
338			dest = &diff[i];
339	pajs	1.3
340	ats	1.62	if (sg_update_string(&dest->interface_name,
341	tdb	1.65	src->interface_name) < 0) {
342	ats	1.60	return NULL;
343	pajs	1.3	}
344	ats	1.24	dest->rx = src->rx;
345			dest->tx = src->tx;
346	tdb	1.47	dest->ipackets = src->ipackets;
347			dest->opackets = src->opackets;
348			dest->ierrors = src->ierrors;
349			dest->oerrors = src->oerrors;
350			dest->collisions = src->collisions;
351	ats	1.24	dest->systime = src->systime;
352			}
353	pajs	1.3
354	ats	1.24	/* Get a new set of stats. */
355	ats	1.62	if (sg_get_network_io_stats(&new_count) == NULL) {
356	ats	1.21	return NULL;
357			}
358	pajs	1.3
359	ats	1.24	/* For each previous stat... */
360			for (i = 0; i < diff_count; i++) {
361			dest = &diff[i];
362
363			/* ... find the corresponding new stat ... */
364			for (j = 0; j < new_count; j++) {
365			/* Try the new stat in the same position first,
366			since that's most likely to be it. */
367			src = &network_stats[(i + j) % new_count];
368			if (strcmp(src->interface_name, dest->interface_name) == 0) {
369			break;
370			}
371			}
372			if (j == new_count) {
373			/* No match found. */
374			continue;
375	pajs	1.3	}
376
377	ats	1.24	/* ... and subtract the previous stat from it to get the
378			difference. */
379			dest->rx = transfer_diff(src->rx, dest->rx);
380			dest->tx = transfer_diff(src->tx, dest->tx);
381	tdb	1.47	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
382			dest->opackets = transfer_diff(src->opackets, dest->opackets);
383			dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
384			dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
385			dest->collisions = transfer_diff(src->collisions, dest->collisions);
386	ats	1.24	dest->systime = src->systime - dest->systime;
387	pajs	1.3	}
388
389	ats	1.24	*entries = diff_count;
390			return diff;
391			}
392	ats	1.59
393	pajs	1.25	/* NETWORK INTERFACE STATS */
394
395	ats	1.62	static void network_iface_stat_init(sg_network_iface_stats *s) {
396	ats	1.59	s->interface_name = NULL;
397			s->speed = 0;
398	ats	1.62	s->dup = SG_IFACE_DUPLEX_UNKNOWN;
399	pajs	1.25	}
400
401	ats	1.62	static void network_iface_stat_destroy(sg_network_iface_stats *s) {
402	ats	1.59	free(s->interface_name);
403	pajs	1.25	}
404
405	ats	1.62	sg_network_iface_stats sg_get_network_iface_stats(int entries){
406			VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
407	tdb	1.65	network_iface_stat_init, network_iface_stat_destroy);
408	ats	1.62	sg_network_iface_stats *network_iface_stat_ptr;
409	ats	1.43	int ifaces = 0;
410	pajs	1.25
411			#ifdef SOLARIS
412	tdb	1.65	kstat_ctl_t *kc;
413			kstat_t *ksp;
414	pajs	1.25	kstat_named_t *knp;
415	ats	1.44	int sock;
416	pajs	1.25	#endif
417	pajs	1.26	#ifdef ALLBSD
418	tdb	1.65	struct ifaddrs net, net_ptr;
419	pajs	1.26	struct ifmediareq ifmed;
420	pajs	1.36	struct ifreq ifr;
421	ats	1.37	int sock;
422	pajs	1.26	int x;
423			#endif
424	pajs	1.27	#ifdef LINUX
425	tdb	1.65	FILE *f;
426			/* Horrible big enough, but it should be easily big enough */
427			char line[8096];
428	pajs	1.27	int sock;
429			#endif
430	ats	1.43
431	pajs	1.26	#ifdef ALLBSD
432	tdb	1.65	if(getifaddrs(&net) != 0){
433	tdb	1.66	sg_set_error(SG_ERROR_GETIFADDRS, NULL);
434	tdb	1.65	return NULL;
435			}
436	pajs	1.26
437	ats	1.37	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
438	pajs	1.26
439			for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
440	tdb	1.65	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
441	ats	1.59
442			if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
443	tdb	1.65	return NULL;
444			}
445			network_iface_stat_ptr = network_iface_stats + ifaces;
446	pajs	1.26
447	ats	1.40	memset(&ifr, 0, sizeof(ifr));
448			strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
449
450			if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
451			continue;
452			}
453			if((ifr.ifr_flags & IFF_UP) != 0){
454			network_iface_stat_ptr->up = 1;
455			}else{
456			network_iface_stat_ptr->up = 0;
457			}
458
459	ats	1.62	if (sg_update_string(&network_iface_stat_ptr->interface_name,
460	tdb	1.65	net_ptr->ifa_name) < 0) {
461	ats	1.60	return NULL;
462			}
463	ats	1.40
464			network_iface_stat_ptr->speed = 0;
465	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
466	ats	1.40	ifaces++;
467
468	pajs	1.26	memset(&ifmed, 0, sizeof(struct ifmediareq));
469	ats	1.62	sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
470	ats	1.37	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
471	ats	1.40	/* Not all interfaces support the media ioctls. */
472	pajs	1.26	continue;
473			}
474
475			/* We may need to change this if we start doing wireless devices too */
476			if( (ifmed.ifm_active \| IFM_ETHER) != ifmed.ifm_active ){
477			/* Not a ETHER device */
478			continue;
479			}
480
481			/* Only intrested in the first 4 bits) - Assuming only ETHER devices */
482			x = ifmed.ifm_active & 0x0f;
483			switch(x){
484			/* 10 Mbit connections. Speedy :) */
485			case(IFM_10_T):
486			case(IFM_10_2):
487			case(IFM_10_5):
488			case(IFM_10_STP):
489			case(IFM_10_FL):
490			network_iface_stat_ptr->speed = 10;
491			break;
492			/* 100 Mbit conneections */
493			case(IFM_100_TX):
494			case(IFM_100_FX):
495			case(IFM_100_T4):
496			case(IFM_100_VG):
497			case(IFM_100_T2):
498			network_iface_stat_ptr->speed = 100;
499			break;
500			/* 1000 Mbit connections */
501			case(IFM_1000_SX):
502			case(IFM_1000_LX):
503			case(IFM_1000_CX):
504	tdb	1.54	#if defined(IFM_1000_TX) && !defined(OPENBSD)
505			case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
506	tdb	1.45	#endif
507			#ifdef IFM_1000_FX
508			case(IFM_1000_FX): /* FreeBSD 4 */
509			#endif
510			#ifdef IFM_1000_T
511			case(IFM_1000_T): /* FreeBSD 5 */
512	tdb	1.28	#endif
513	pajs	1.26	network_iface_stat_ptr->speed = 1000;
514			break;
515			/* We don't know what it is */
516			default:
517			network_iface_stat_ptr->speed = 0;
518			break;
519			}
520
521			if( (ifmed.ifm_active \| IFM_FDX) == ifmed.ifm_active ){
522	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
523	pajs	1.26	}else if( (ifmed.ifm_active \| IFM_HDX) == ifmed.ifm_active ){
524	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
525	pajs	1.26	}else{
526	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
527	pajs	1.26	}
528	pajs	1.36
529	pajs	1.26	}
530			freeifaddrs(net);
531	ats	1.37	close(sock);
532	pajs	1.26	#endif
533	pajs	1.25
534			#ifdef SOLARIS
535	ats	1.44	if ((kc = kstat_open()) == NULL) {
536	tdb	1.66	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
537	ats	1.44	return NULL;
538			}
539
540			if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
541	tdb	1.66	sg_set_error(SG_ERROR_SOCKET, NULL);
542	ats	1.44	return NULL;
543			}
544	pajs	1.25
545	ats	1.44	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
546			if (!strcmp(ksp->ks_class, "net")) {
547			struct ifreq ifr;
548
549			kstat_read(kc, ksp, NULL);
550
551			strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
552			if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
553			/* Not a network interface. */
554	pajs	1.25	continue;
555			}
556	ats	1.44
557	ats	1.59	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
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	ats	1.62	if (sg_update_string(&network_iface_stat_ptr->interface_name,
564	tdb	1.65	ksp->ks_name) < 0) {
565	ats	1.60	return NULL;
566			}
567	pajs	1.25
568	ats	1.44	if ((ifr.ifr_flags & IFF_UP) != 0) {
569			network_iface_stat_ptr->up = 1;
570			} else {
571			network_iface_stat_ptr->up = 1;
572			}
573	pajs	1.35
574	ats	1.44	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
575			network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
576			} else {
577			network_iface_stat_ptr->speed = 0;
578	pajs	1.25	}
579
580	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
581	ats	1.44	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
582			switch (knp->value.ui32) {
583			case 1:
584	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
585	ats	1.44	break;
586			case 2:
587	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
588	ats	1.44	break;
589			}
590	pajs	1.33	}
591	pajs	1.25	}
592			}
593	ats	1.44
594			close(sock);
595	pajs	1.25	kstat_close(kc);
596			#endif
597	pajs	1.27	#ifdef LINUX
598			f = fopen("/proc/net/dev", "r");
599	tdb	1.65	if(f == NULL){
600	tdb	1.66	sg_set_error(SG_ERROR_OPEN, "/proc/net/dev");
601	tdb	1.65	return NULL;
602			}
603	pajs	1.27
604			/* Setup stuff so we can do the ioctl to get the info */
605			if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
606	tdb	1.66	sg_set_error(SG_ERROR_SOCKET, NULL);
607	pajs	1.27	return NULL;
608			}
609
610			/* Ignore first 2 lines.. Just headings */
611	tdb	1.66	if((fgets(line, sizeof(line), f)) == NULL) {
612			sg_set_error(SG_ERROR_PARSE, NULL);
613			return NULL;
614			}
615			if((fgets(line, sizeof(line), f)) == NULL) {
616			sg_set_error(SG_ERROR_PARSE, NULL);
617			return NULL;
618			}
619	pajs	1.27
620	tdb	1.65	while((fgets(line, sizeof(line), f)) != NULL){
621			char name, ptr;
622			struct ifreq ifr;
623			struct ethtool_cmd ethcmd;
624			int err;
625	pajs	1.27
626			/* Get the interface name */
627	tdb	1.65	ptr = strchr(line, ':');
628			if (ptr == NULL) continue;
629			*ptr='\0';
630			name = line;
631			while(isspace(*(name))){
632			name++;
633			}
634	pajs	1.27
635	tdb	1.65	memset(&ifr, 0, sizeof ifr);
636			strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
637	pajs	1.27
638	ats	1.38	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
639			continue;
640			}
641	pajs	1.27
642			/* We have a good interface to add */
643	ats	1.59	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
644	pajs	1.27	return NULL;
645			}
646			network_iface_stat_ptr = network_iface_stats + ifaces;
647	ats	1.60
648	ats	1.62	if (sg_update_string(&network_iface_stat_ptr->interface_name,
649	tdb	1.65	name) < 0) {
650	ats	1.60	return NULL;
651			}
652	ats	1.38	if ((ifr.ifr_flags & IFF_UP) != 0) {
653	pajs	1.35	network_iface_stat_ptr->up = 1;
654	ats	1.38	} else {
655	pajs	1.35	network_iface_stat_ptr->up = 0;
656			}
657
658	tdb	1.65	memset(&ethcmd, 0, sizeof ethcmd);
659			ethcmd.cmd = ETHTOOL_GSET;
660			ifr.ifr_data = (caddr_t) &ethcmd;
661	ats	1.38
662	tdb	1.65	err = ioctl(sock, SIOCETHTOOL, &ifr);
663			if (err == 0) {
664	ats	1.38	network_iface_stat_ptr->speed = ethcmd.speed;
665
666			switch (ethcmd.duplex) {
667			case 0x00:
668	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
669	ats	1.38	break;
670			case 0x01:
671	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
672	ats	1.38	break;
673			default:
674	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
675	ats	1.38	}
676			} else {
677			/* Not all interfaces support the ethtool ioctl. */
678	ats	1.39	network_iface_stat_ptr->speed = 0;
679	ats	1.62	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
680	pajs	1.27	}
681	ats	1.38
682	pajs	1.27	ifaces++;
683			}
684	pajs	1.30	close(sock);
685	ats	1.38	fclose(f);
686	pajs	1.27	#endif
687	pajs	1.26	*entries = ifaces;
688	pajs	1.25	return network_iface_stats;
689			}
690