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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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* |
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* $Id: network_stats.c,v 1.61 2004/04/05 00:17:40 tdb Exp $ |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
26 |
#endif |
27 |
|
28 |
#include <stdlib.h> |
29 |
#include <string.h> |
30 |
#include "statgrab.h" |
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#include "vector.h" |
32 |
#include "tools.h" |
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#include <time.h> |
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#ifdef SOLARIS |
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#include <kstat.h> |
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#include <sys/sysinfo.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/ioctl.h> |
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#include <net/if.h> |
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#include <netinet/in.h> |
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#include <sys/sockio.h> |
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#include <unistd.h> |
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#endif |
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#ifdef LINUX |
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#include <stdio.h> |
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#include <sys/types.h> |
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#include <regex.h> |
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#include <sys/ioctl.h> |
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#include <sys/socket.h> |
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#include <net/if.h> |
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#include <ctype.h> |
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/* Stuff which could be defined by defining KERNEL, but |
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* that would be a bad idea, so we'll just declare it here |
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*/ |
56 |
typedef __uint8_t u8; |
57 |
typedef __uint16_t u16; |
58 |
typedef __uint32_t u32; |
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typedef __uint64_t u64; |
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#include <linux/ethtool.h> |
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#include <linux/sockios.h> |
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#include <unistd.h> |
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#endif |
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#ifdef ALLBSD |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <ifaddrs.h> |
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#include <net/if.h> |
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#include <net/if_media.h> |
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#include <sys/ioctl.h> |
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#include <unistd.h> |
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#endif |
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|
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static void network_stat_init(sg_network_io_stats *s) { |
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s->interface_name = NULL; |
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s->tx = 0; |
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s->rx = 0; |
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s->ipackets = 0; |
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s->opackets = 0; |
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s->ierrors = 0; |
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s->oerrors = 0; |
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s->collisions = 0; |
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} |
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|
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static void network_stat_destroy(sg_network_io_stats *s) { |
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free(s->interface_name); |
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} |
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|
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VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5, |
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network_stat_init, network_stat_destroy); |
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|
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sg_network_io_stats *sg_get_network_io_stats(int *entries){ |
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int interfaces; |
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sg_network_io_stats *network_stat_ptr; |
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|
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#ifdef SOLARIS |
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kstat_ctl_t *kc; |
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kstat_t *ksp; |
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kstat_named_t *knp; |
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#endif |
101 |
|
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#ifdef LINUX |
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FILE *f; |
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/* Horrible big enough, but it should be easily big enough */ |
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char line[8096]; |
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regex_t regex; |
107 |
regmatch_t line_match[9]; |
108 |
#endif |
109 |
#ifdef ALLBSD |
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struct ifaddrs *net, *net_ptr; |
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struct if_data *net_data; |
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#endif |
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|
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#ifdef ALLBSD |
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if(getifaddrs(&net) != 0){ |
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return NULL; |
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} |
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|
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interfaces=0; |
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|
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for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){ |
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if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
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|
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if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
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return NULL; |
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} |
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network_stat_ptr=network_stats+interfaces; |
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|
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if (sg_update_string(&network_stat_ptr->interface_name, |
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net_ptr->ifa_name) == NULL) { |
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return NULL; |
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} |
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net_data=(struct if_data *)net_ptr->ifa_data; |
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network_stat_ptr->rx=net_data->ifi_ibytes; |
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network_stat_ptr->tx=net_data->ifi_obytes; |
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network_stat_ptr->ipackets=net_data->ifi_ipackets; |
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network_stat_ptr->opackets=net_data->ifi_opackets; |
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network_stat_ptr->ierrors=net_data->ifi_ierrors; |
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network_stat_ptr->oerrors=net_data->ifi_oerrors; |
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network_stat_ptr->collisions=net_data->ifi_collisions; |
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network_stat_ptr->systime=time(NULL); |
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interfaces++; |
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} |
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freeifaddrs(net); |
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#endif |
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|
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#ifdef SOLARIS |
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if ((kc = kstat_open()) == NULL) { |
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return NULL; |
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} |
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|
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interfaces=0; |
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|
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for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
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if (!strcmp(ksp->ks_class, "net")) { |
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kstat_read(kc, ksp, NULL); |
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|
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#ifdef SOL7 |
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#define LRX "rbytes" |
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#define LTX "obytes" |
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#define LIPACKETS "ipackets" |
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#define LOPACKETS "opackets" |
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#define VALTYPE value.ui32 |
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#else |
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#define LRX "rbytes64" |
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#define LTX "obytes64" |
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#define LIPACKETS "ipackets64" |
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#define LOPACKETS "opackets64" |
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#define VALTYPE value.ui64 |
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#endif |
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|
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/* Read rx */ |
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if((knp=kstat_data_lookup(ksp, LRX))==NULL){ |
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/* This is a network interface, but it doesn't |
175 |
* have the rbytes/obytes values; for instance, |
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* the loopback devices have this behaviour |
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* (although they do track packets in/out). */ |
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/* FIXME: Show packet counts when byte counts |
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* not available. */ |
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continue; |
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} |
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|
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/* Create new network_stats */ |
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if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
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return NULL; |
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} |
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network_stat_ptr=network_stats+interfaces; |
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|
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/* Finish reading rx */ |
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network_stat_ptr->rx=knp->VALTYPE; |
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|
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/* Read tx */ |
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if((knp=kstat_data_lookup(ksp, LTX))==NULL){ |
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continue; |
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} |
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network_stat_ptr->tx=knp->VALTYPE; |
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|
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/* Read ipackets */ |
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if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){ |
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continue; |
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} |
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network_stat_ptr->ipackets=knp->VALTYPE; |
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|
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/* Read opackets */ |
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if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){ |
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continue; |
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} |
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network_stat_ptr->opackets=knp->VALTYPE; |
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|
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/* Read ierrors */ |
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if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){ |
212 |
continue; |
213 |
} |
214 |
network_stat_ptr->ierrors=knp->value.ui32; |
215 |
|
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/* Read oerrors */ |
217 |
if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){ |
218 |
continue; |
219 |
} |
220 |
network_stat_ptr->oerrors=knp->value.ui32; |
221 |
|
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/* Read collisions */ |
223 |
if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){ |
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continue; |
225 |
} |
226 |
network_stat_ptr->collisions=knp->value.ui32; |
227 |
|
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/* Read interface name */ |
229 |
if (sg_update_string(&network_stat_ptr->interface_name, |
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ksp->ks_name) == NULL) { |
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return NULL; |
232 |
} |
233 |
|
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/* Store systime */ |
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network_stat_ptr->systime=time(NULL); |
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|
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interfaces++; |
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} |
239 |
} |
240 |
|
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kstat_close(kc); |
242 |
#endif |
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#ifdef LINUX |
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f=fopen("/proc/net/dev", "r"); |
245 |
if(f==NULL){ |
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return NULL; |
247 |
} |
248 |
/* read the 2 lines.. Its the title, so we dont care :) */ |
249 |
fgets(line, sizeof(line), f); |
250 |
fgets(line, sizeof(line), f); |
251 |
|
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|
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if((regcomp(®ex, "^ *([^:]+): *([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){ |
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return NULL; |
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} |
256 |
|
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interfaces=0; |
258 |
|
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while((fgets(line, sizeof(line), f)) != NULL){ |
260 |
if((regexec(®ex, line, 9, line_match, 0))!=0){ |
261 |
continue; |
262 |
} |
263 |
|
264 |
if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
265 |
return NULL; |
266 |
} |
267 |
network_stat_ptr=network_stats+interfaces; |
268 |
|
269 |
if(network_stat_ptr->interface_name!=NULL){ |
270 |
free(network_stat_ptr->interface_name); |
271 |
} |
272 |
|
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network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]); |
274 |
network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]); |
275 |
network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]); |
276 |
network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]); |
277 |
network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]); |
278 |
network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]); |
279 |
network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]); |
280 |
network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]); |
281 |
network_stat_ptr->systime=time(NULL); |
282 |
|
283 |
interfaces++; |
284 |
} |
285 |
fclose(f); |
286 |
regfree(®ex); |
287 |
|
288 |
#endif |
289 |
|
290 |
#ifdef CYGWIN |
291 |
return NULL; |
292 |
#endif |
293 |
|
294 |
*entries=interfaces; |
295 |
|
296 |
return network_stats; |
297 |
} |
298 |
|
299 |
static long long transfer_diff(long long new, long long old){ |
300 |
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD) |
301 |
/* 32-bit quantities, so we must explicitly deal with wraparound. */ |
302 |
#define MAXVAL 0x100000000LL |
303 |
if (new >= old) { |
304 |
return new - old; |
305 |
} else { |
306 |
return MAXVAL + new - old; |
307 |
} |
308 |
#else |
309 |
/* 64-bit quantities, so plain subtraction works. */ |
310 |
return new - old; |
311 |
#endif |
312 |
} |
313 |
|
314 |
sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) { |
315 |
VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1, |
316 |
network_stat_init, network_stat_destroy); |
317 |
sg_network_io_stats *src = NULL, *dest; |
318 |
int i, j, diff_count, new_count; |
319 |
|
320 |
if (network_stats == NULL) { |
321 |
/* No previous stats, so we can't calculate a difference. */ |
322 |
return sg_get_network_io_stats(entries); |
323 |
} |
324 |
|
325 |
/* Resize the results array to match the previous stats. */ |
326 |
diff_count = VECTOR_SIZE(network_stats); |
327 |
if (VECTOR_RESIZE(diff, diff_count) < 0) { |
328 |
return NULL; |
329 |
} |
330 |
|
331 |
/* Copy the previous stats into the result. */ |
332 |
for (i = 0; i < diff_count; i++) { |
333 |
src = &network_stats[i]; |
334 |
dest = &diff[i]; |
335 |
|
336 |
if (sg_update_string(&dest->interface_name, |
337 |
src->interface_name) == NULL) { |
338 |
return NULL; |
339 |
} |
340 |
dest->rx = src->rx; |
341 |
dest->tx = src->tx; |
342 |
dest->ipackets = src->ipackets; |
343 |
dest->opackets = src->opackets; |
344 |
dest->ierrors = src->ierrors; |
345 |
dest->oerrors = src->oerrors; |
346 |
dest->collisions = src->collisions; |
347 |
dest->systime = src->systime; |
348 |
} |
349 |
|
350 |
/* Get a new set of stats. */ |
351 |
if (sg_get_network_io_stats(&new_count) == NULL) { |
352 |
return NULL; |
353 |
} |
354 |
|
355 |
/* For each previous stat... */ |
356 |
for (i = 0; i < diff_count; i++) { |
357 |
dest = &diff[i]; |
358 |
|
359 |
/* ... find the corresponding new stat ... */ |
360 |
for (j = 0; j < new_count; j++) { |
361 |
/* Try the new stat in the same position first, |
362 |
since that's most likely to be it. */ |
363 |
src = &network_stats[(i + j) % new_count]; |
364 |
if (strcmp(src->interface_name, dest->interface_name) == 0) { |
365 |
break; |
366 |
} |
367 |
} |
368 |
if (j == new_count) { |
369 |
/* No match found. */ |
370 |
continue; |
371 |
} |
372 |
|
373 |
/* ... and subtract the previous stat from it to get the |
374 |
difference. */ |
375 |
dest->rx = transfer_diff(src->rx, dest->rx); |
376 |
dest->tx = transfer_diff(src->tx, dest->tx); |
377 |
dest->ipackets = transfer_diff(src->ipackets, dest->ipackets); |
378 |
dest->opackets = transfer_diff(src->opackets, dest->opackets); |
379 |
dest->ierrors = transfer_diff(src->ierrors, dest->ierrors); |
380 |
dest->oerrors = transfer_diff(src->oerrors, dest->oerrors); |
381 |
dest->collisions = transfer_diff(src->collisions, dest->collisions); |
382 |
dest->systime = src->systime - dest->systime; |
383 |
} |
384 |
|
385 |
*entries = diff_count; |
386 |
return diff; |
387 |
} |
388 |
|
389 |
/* NETWORK INTERFACE STATS */ |
390 |
|
391 |
static void network_iface_stat_init(sg_network_iface_stats *s) { |
392 |
s->interface_name = NULL; |
393 |
s->speed = 0; |
394 |
s->dup = SG_IFACE_DUPLEX_UNKNOWN; |
395 |
} |
396 |
|
397 |
static void network_iface_stat_destroy(sg_network_iface_stats *s) { |
398 |
free(s->interface_name); |
399 |
} |
400 |
|
401 |
sg_network_iface_stats *sg_get_network_iface_stats(int *entries){ |
402 |
VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5, |
403 |
network_iface_stat_init, network_iface_stat_destroy); |
404 |
sg_network_iface_stats *network_iface_stat_ptr; |
405 |
int ifaces = 0; |
406 |
|
407 |
#ifdef SOLARIS |
408 |
kstat_ctl_t *kc; |
409 |
kstat_t *ksp; |
410 |
kstat_named_t *knp; |
411 |
int sock; |
412 |
#endif |
413 |
#ifdef ALLBSD |
414 |
struct ifaddrs *net, *net_ptr; |
415 |
struct ifmediareq ifmed; |
416 |
struct ifreq ifr; |
417 |
int sock; |
418 |
int x; |
419 |
#endif |
420 |
#ifdef LINUX |
421 |
FILE *f; |
422 |
/* Horrible big enough, but it should be easily big enough */ |
423 |
char line[8096]; |
424 |
int sock; |
425 |
#endif |
426 |
|
427 |
#ifdef ALLBSD |
428 |
if(getifaddrs(&net) != 0){ |
429 |
return NULL; |
430 |
} |
431 |
|
432 |
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL; |
433 |
|
434 |
for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){ |
435 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
436 |
|
437 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
438 |
return NULL; |
439 |
} |
440 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
441 |
|
442 |
memset(&ifr, 0, sizeof(ifr)); |
443 |
strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name)); |
444 |
|
445 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){ |
446 |
continue; |
447 |
} |
448 |
if((ifr.ifr_flags & IFF_UP) != 0){ |
449 |
network_iface_stat_ptr->up = 1; |
450 |
}else{ |
451 |
network_iface_stat_ptr->up = 0; |
452 |
} |
453 |
|
454 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
455 |
net_ptr->ifa_name) == NULL) { |
456 |
return NULL; |
457 |
} |
458 |
|
459 |
network_iface_stat_ptr->speed = 0; |
460 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
461 |
ifaces++; |
462 |
|
463 |
memset(&ifmed, 0, sizeof(struct ifmediareq)); |
464 |
sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name)); |
465 |
if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){ |
466 |
/* Not all interfaces support the media ioctls. */ |
467 |
continue; |
468 |
} |
469 |
|
470 |
/* We may need to change this if we start doing wireless devices too */ |
471 |
if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){ |
472 |
/* Not a ETHER device */ |
473 |
continue; |
474 |
} |
475 |
|
476 |
/* Only intrested in the first 4 bits) - Assuming only ETHER devices */ |
477 |
x = ifmed.ifm_active & 0x0f; |
478 |
switch(x){ |
479 |
/* 10 Mbit connections. Speedy :) */ |
480 |
case(IFM_10_T): |
481 |
case(IFM_10_2): |
482 |
case(IFM_10_5): |
483 |
case(IFM_10_STP): |
484 |
case(IFM_10_FL): |
485 |
network_iface_stat_ptr->speed = 10; |
486 |
break; |
487 |
/* 100 Mbit conneections */ |
488 |
case(IFM_100_TX): |
489 |
case(IFM_100_FX): |
490 |
case(IFM_100_T4): |
491 |
case(IFM_100_VG): |
492 |
case(IFM_100_T2): |
493 |
network_iface_stat_ptr->speed = 100; |
494 |
break; |
495 |
/* 1000 Mbit connections */ |
496 |
case(IFM_1000_SX): |
497 |
case(IFM_1000_LX): |
498 |
case(IFM_1000_CX): |
499 |
#if defined(IFM_1000_TX) && !defined(OPENBSD) |
500 |
case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */ |
501 |
#endif |
502 |
#ifdef IFM_1000_FX |
503 |
case(IFM_1000_FX): /* FreeBSD 4 */ |
504 |
#endif |
505 |
#ifdef IFM_1000_T |
506 |
case(IFM_1000_T): /* FreeBSD 5 */ |
507 |
#endif |
508 |
network_iface_stat_ptr->speed = 1000; |
509 |
break; |
510 |
/* We don't know what it is */ |
511 |
default: |
512 |
network_iface_stat_ptr->speed = 0; |
513 |
break; |
514 |
} |
515 |
|
516 |
if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){ |
517 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL; |
518 |
}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){ |
519 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF; |
520 |
}else{ |
521 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
522 |
} |
523 |
|
524 |
} |
525 |
freeifaddrs(net); |
526 |
close(sock); |
527 |
#endif |
528 |
|
529 |
#ifdef SOLARIS |
530 |
if ((kc = kstat_open()) == NULL) { |
531 |
return NULL; |
532 |
} |
533 |
|
534 |
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
535 |
return NULL; |
536 |
} |
537 |
|
538 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
539 |
if (!strcmp(ksp->ks_class, "net")) { |
540 |
struct ifreq ifr; |
541 |
|
542 |
kstat_read(kc, ksp, NULL); |
543 |
|
544 |
strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name); |
545 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
546 |
/* Not a network interface. */ |
547 |
continue; |
548 |
} |
549 |
|
550 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
551 |
return NULL; |
552 |
} |
553 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
554 |
ifaces++; |
555 |
|
556 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
557 |
ksp->ks_name) == NULL) { |
558 |
return NULL; |
559 |
} |
560 |
|
561 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
562 |
network_iface_stat_ptr->up = 1; |
563 |
} else { |
564 |
network_iface_stat_ptr->up = 1; |
565 |
} |
566 |
|
567 |
if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) { |
568 |
network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000); |
569 |
} else { |
570 |
network_iface_stat_ptr->speed = 0; |
571 |
} |
572 |
|
573 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
574 |
if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) { |
575 |
switch (knp->value.ui32) { |
576 |
case 1: |
577 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF; |
578 |
break; |
579 |
case 2: |
580 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL; |
581 |
break; |
582 |
} |
583 |
} |
584 |
} |
585 |
} |
586 |
|
587 |
close(sock); |
588 |
kstat_close(kc); |
589 |
#endif |
590 |
#ifdef LINUX |
591 |
f = fopen("/proc/net/dev", "r"); |
592 |
if(f == NULL){ |
593 |
return NULL; |
594 |
} |
595 |
|
596 |
/* Setup stuff so we can do the ioctl to get the info */ |
597 |
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){ |
598 |
return NULL; |
599 |
} |
600 |
|
601 |
/* Ignore first 2 lines.. Just headings */ |
602 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
603 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
604 |
|
605 |
while((fgets(line, sizeof(line), f)) != NULL){ |
606 |
char *name, *ptr; |
607 |
struct ifreq ifr; |
608 |
struct ethtool_cmd ethcmd; |
609 |
int err; |
610 |
|
611 |
/* Get the interface name */ |
612 |
ptr = strchr(line, ':'); |
613 |
if (ptr == NULL) continue; |
614 |
*ptr='\0'; |
615 |
name = line; |
616 |
while(isspace(*(name))){ |
617 |
name++; |
618 |
} |
619 |
|
620 |
memset(&ifr, 0, sizeof ifr); |
621 |
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
622 |
|
623 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
624 |
continue; |
625 |
} |
626 |
|
627 |
/* We have a good interface to add */ |
628 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
629 |
return NULL; |
630 |
} |
631 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
632 |
|
633 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
634 |
name) == NULL) { |
635 |
return NULL; |
636 |
} |
637 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
638 |
network_iface_stat_ptr->up = 1; |
639 |
} else { |
640 |
network_iface_stat_ptr->up = 0; |
641 |
} |
642 |
|
643 |
memset(ðcmd, 0, sizeof ethcmd); |
644 |
ethcmd.cmd = ETHTOOL_GSET; |
645 |
ifr.ifr_data = (caddr_t) ðcmd; |
646 |
|
647 |
err = ioctl(sock, SIOCETHTOOL, &ifr); |
648 |
if (err == 0) { |
649 |
network_iface_stat_ptr->speed = ethcmd.speed; |
650 |
|
651 |
switch (ethcmd.duplex) { |
652 |
case 0x00: |
653 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL; |
654 |
break; |
655 |
case 0x01: |
656 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF; |
657 |
break; |
658 |
default: |
659 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
660 |
} |
661 |
} else { |
662 |
/* Not all interfaces support the ethtool ioctl. */ |
663 |
network_iface_stat_ptr->speed = 0; |
664 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
665 |
} |
666 |
|
667 |
ifaces++; |
668 |
} |
669 |
close(sock); |
670 |
fclose(f); |
671 |
#endif |
672 |
*entries = ifaces; |
673 |
return network_iface_stats; |
674 |
} |
675 |
|