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/* |
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* i-scream libstatgrab |
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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 1.70 2004/11/07 12:30:54 ats Exp $ |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
28 |
#include <stdlib.h> |
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#include <string.h> |
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#include "statgrab.h" |
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#include "vector.h" |
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#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 <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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*/ |
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typedef __uint8_t u8; |
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typedef __uint16_t u16; |
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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 |
100 |
|
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#ifdef LINUX |
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FILE *f; |
103 |
/* Horrible big enough, but it should be easily big enough */ |
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char line[8096]; |
105 |
regex_t regex; |
106 |
regmatch_t line_match[9]; |
107 |
#endif |
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#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 |
114 |
if(getifaddrs(&net) != 0){ |
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sg_set_error_with_errno(SG_ERROR_GETIFADDRS, 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(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) < 0) { |
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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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sg_set_error(SG_ERROR_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 |
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* 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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} |
209 |
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){ |
213 |
continue; |
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} |
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network_stat_ptr->ierrors=knp->value.ui32; |
216 |
|
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/* Read oerrors */ |
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if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){ |
219 |
continue; |
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} |
221 |
network_stat_ptr->oerrors=knp->value.ui32; |
222 |
|
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/* Read collisions */ |
224 |
if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){ |
225 |
continue; |
226 |
} |
227 |
network_stat_ptr->collisions=knp->value.ui32; |
228 |
|
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/* Read interface name */ |
230 |
if (sg_update_string(&network_stat_ptr->interface_name, |
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ksp->ks_name) < 0) { |
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return NULL; |
233 |
} |
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|
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/* Store systime */ |
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network_stat_ptr->systime=time(NULL); |
237 |
|
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interfaces++; |
239 |
} |
240 |
} |
241 |
|
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kstat_close(kc); |
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#endif |
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#ifdef LINUX |
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f=fopen("/proc/net/dev", "r"); |
246 |
if(f==NULL){ |
247 |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev"); |
248 |
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 |
|
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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){ |
256 |
sg_set_error(SG_ERROR_PARSE, NULL); |
257 |
return NULL; |
258 |
} |
259 |
|
260 |
interfaces=0; |
261 |
|
262 |
while((fgets(line, sizeof(line), f)) != NULL){ |
263 |
if((regexec(®ex, line, 9, line_match, 0))!=0){ |
264 |
continue; |
265 |
} |
266 |
|
267 |
if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
268 |
return NULL; |
269 |
} |
270 |
network_stat_ptr=network_stats+interfaces; |
271 |
|
272 |
if(network_stat_ptr->interface_name!=NULL){ |
273 |
free(network_stat_ptr->interface_name); |
274 |
} |
275 |
|
276 |
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 |
network_stat_ptr->systime=time(NULL); |
285 |
|
286 |
interfaces++; |
287 |
} |
288 |
fclose(f); |
289 |
regfree(®ex); |
290 |
|
291 |
#endif |
292 |
|
293 |
#ifdef CYGWIN |
294 |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
295 |
return NULL; |
296 |
#endif |
297 |
#ifdef HPUX |
298 |
sg_set_error(SG_ERROR_UNSUPPORTED, "HP-UX"); |
299 |
return NULL; |
300 |
#endif |
301 |
|
302 |
*entries=interfaces; |
303 |
|
304 |
return network_stats; |
305 |
} |
306 |
|
307 |
static long long transfer_diff(long long new, long long old){ |
308 |
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD) |
309 |
/* 32-bit quantities, so we must explicitly deal with wraparound. */ |
310 |
#define MAXVAL 0x100000000LL |
311 |
if (new >= old) { |
312 |
return new - old; |
313 |
} else { |
314 |
return MAXVAL + new - old; |
315 |
} |
316 |
#else |
317 |
/* 64-bit quantities, so plain subtraction works. */ |
318 |
return new - old; |
319 |
#endif |
320 |
} |
321 |
|
322 |
sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) { |
323 |
VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1, |
324 |
network_stat_init, network_stat_destroy); |
325 |
sg_network_io_stats *src = NULL, *dest; |
326 |
int i, j, diff_count, new_count; |
327 |
|
328 |
if (network_stats == NULL) { |
329 |
/* No previous stats, so we can't calculate a difference. */ |
330 |
return sg_get_network_io_stats(entries); |
331 |
} |
332 |
|
333 |
/* Resize the results array to match the previous stats. */ |
334 |
diff_count = VECTOR_SIZE(network_stats); |
335 |
if (VECTOR_RESIZE(diff, diff_count) < 0) { |
336 |
return NULL; |
337 |
} |
338 |
|
339 |
/* Copy the previous stats into the result. */ |
340 |
for (i = 0; i < diff_count; i++) { |
341 |
src = &network_stats[i]; |
342 |
dest = &diff[i]; |
343 |
|
344 |
if (sg_update_string(&dest->interface_name, |
345 |
src->interface_name) < 0) { |
346 |
return NULL; |
347 |
} |
348 |
dest->rx = src->rx; |
349 |
dest->tx = src->tx; |
350 |
dest->ipackets = src->ipackets; |
351 |
dest->opackets = src->opackets; |
352 |
dest->ierrors = src->ierrors; |
353 |
dest->oerrors = src->oerrors; |
354 |
dest->collisions = src->collisions; |
355 |
dest->systime = src->systime; |
356 |
} |
357 |
|
358 |
/* Get a new set of stats. */ |
359 |
if (sg_get_network_io_stats(&new_count) == NULL) { |
360 |
return NULL; |
361 |
} |
362 |
|
363 |
/* For each previous stat... */ |
364 |
for (i = 0; i < diff_count; i++) { |
365 |
dest = &diff[i]; |
366 |
|
367 |
/* ... find the corresponding new stat ... */ |
368 |
for (j = 0; j < new_count; j++) { |
369 |
/* Try the new stat in the same position first, |
370 |
since that's most likely to be it. */ |
371 |
src = &network_stats[(i + j) % new_count]; |
372 |
if (strcmp(src->interface_name, dest->interface_name) == 0) { |
373 |
break; |
374 |
} |
375 |
} |
376 |
if (j == new_count) { |
377 |
/* No match found. */ |
378 |
continue; |
379 |
} |
380 |
|
381 |
/* ... and subtract the previous stat from it to get the |
382 |
difference. */ |
383 |
dest->rx = transfer_diff(src->rx, dest->rx); |
384 |
dest->tx = transfer_diff(src->tx, dest->tx); |
385 |
dest->ipackets = transfer_diff(src->ipackets, dest->ipackets); |
386 |
dest->opackets = transfer_diff(src->opackets, dest->opackets); |
387 |
dest->ierrors = transfer_diff(src->ierrors, dest->ierrors); |
388 |
dest->oerrors = transfer_diff(src->oerrors, dest->oerrors); |
389 |
dest->collisions = transfer_diff(src->collisions, dest->collisions); |
390 |
dest->systime = src->systime - dest->systime; |
391 |
} |
392 |
|
393 |
*entries = diff_count; |
394 |
return diff; |
395 |
} |
396 |
|
397 |
int sg_network_io_compare_name(const void *va, const void *vb) { |
398 |
const sg_network_io_stats *a = (const sg_network_io_stats *)va; |
399 |
const sg_network_io_stats *b = (const sg_network_io_stats *)vb; |
400 |
|
401 |
return strcmp(a->interface_name, b->interface_name); |
402 |
} |
403 |
|
404 |
/* NETWORK INTERFACE STATS */ |
405 |
|
406 |
static void network_iface_stat_init(sg_network_iface_stats *s) { |
407 |
s->interface_name = NULL; |
408 |
s->speed = 0; |
409 |
s->dup = SG_IFACE_DUPLEX_UNKNOWN; |
410 |
} |
411 |
|
412 |
static void network_iface_stat_destroy(sg_network_iface_stats *s) { |
413 |
free(s->interface_name); |
414 |
} |
415 |
|
416 |
sg_network_iface_stats *sg_get_network_iface_stats(int *entries){ |
417 |
VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5, |
418 |
network_iface_stat_init, network_iface_stat_destroy); |
419 |
sg_network_iface_stats *network_iface_stat_ptr; |
420 |
int ifaces = 0; |
421 |
|
422 |
#ifdef SOLARIS |
423 |
kstat_ctl_t *kc; |
424 |
kstat_t *ksp; |
425 |
kstat_named_t *knp; |
426 |
int sock; |
427 |
#endif |
428 |
#ifdef ALLBSD |
429 |
struct ifaddrs *net, *net_ptr; |
430 |
struct ifmediareq ifmed; |
431 |
struct ifreq ifr; |
432 |
int sock; |
433 |
int x; |
434 |
#endif |
435 |
#ifdef LINUX |
436 |
FILE *f; |
437 |
/* Horrible big enough, but it should be easily big enough */ |
438 |
char line[8096]; |
439 |
int sock; |
440 |
#endif |
441 |
|
442 |
#ifdef ALLBSD |
443 |
if(getifaddrs(&net) != 0){ |
444 |
sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL); |
445 |
return NULL; |
446 |
} |
447 |
|
448 |
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL; |
449 |
|
450 |
for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){ |
451 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
452 |
|
453 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
454 |
return NULL; |
455 |
} |
456 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
457 |
|
458 |
memset(&ifr, 0, sizeof(ifr)); |
459 |
strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name)); |
460 |
|
461 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){ |
462 |
continue; |
463 |
} |
464 |
if((ifr.ifr_flags & IFF_UP) != 0){ |
465 |
network_iface_stat_ptr->up = 1; |
466 |
}else{ |
467 |
network_iface_stat_ptr->up = 0; |
468 |
} |
469 |
|
470 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
471 |
net_ptr->ifa_name) < 0) { |
472 |
return NULL; |
473 |
} |
474 |
|
475 |
network_iface_stat_ptr->speed = 0; |
476 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
477 |
ifaces++; |
478 |
|
479 |
memset(&ifmed, 0, sizeof(struct ifmediareq)); |
480 |
sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name)); |
481 |
if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){ |
482 |
/* Not all interfaces support the media ioctls. */ |
483 |
continue; |
484 |
} |
485 |
|
486 |
/* We may need to change this if we start doing wireless devices too */ |
487 |
if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){ |
488 |
/* Not a ETHER device */ |
489 |
continue; |
490 |
} |
491 |
|
492 |
/* Only intrested in the first 4 bits) - Assuming only ETHER devices */ |
493 |
x = ifmed.ifm_active & 0x0f; |
494 |
switch(x){ |
495 |
/* 10 Mbit connections. Speedy :) */ |
496 |
case(IFM_10_T): |
497 |
case(IFM_10_2): |
498 |
case(IFM_10_5): |
499 |
case(IFM_10_STP): |
500 |
case(IFM_10_FL): |
501 |
network_iface_stat_ptr->speed = 10; |
502 |
break; |
503 |
/* 100 Mbit conneections */ |
504 |
case(IFM_100_TX): |
505 |
case(IFM_100_FX): |
506 |
case(IFM_100_T4): |
507 |
case(IFM_100_VG): |
508 |
case(IFM_100_T2): |
509 |
network_iface_stat_ptr->speed = 100; |
510 |
break; |
511 |
/* 1000 Mbit connections */ |
512 |
case(IFM_1000_SX): |
513 |
case(IFM_1000_LX): |
514 |
case(IFM_1000_CX): |
515 |
#if defined(IFM_1000_TX) && !defined(OPENBSD) |
516 |
case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */ |
517 |
#endif |
518 |
#ifdef IFM_1000_FX |
519 |
case(IFM_1000_FX): /* FreeBSD 4 */ |
520 |
#endif |
521 |
#ifdef IFM_1000_T |
522 |
case(IFM_1000_T): /* FreeBSD 5 */ |
523 |
#endif |
524 |
network_iface_stat_ptr->speed = 1000; |
525 |
break; |
526 |
/* We don't know what it is */ |
527 |
default: |
528 |
network_iface_stat_ptr->speed = 0; |
529 |
break; |
530 |
} |
531 |
|
532 |
if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){ |
533 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL; |
534 |
}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){ |
535 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF; |
536 |
}else{ |
537 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
538 |
} |
539 |
|
540 |
} |
541 |
freeifaddrs(net); |
542 |
close(sock); |
543 |
#endif |
544 |
|
545 |
#ifdef SOLARIS |
546 |
if ((kc = kstat_open()) == NULL) { |
547 |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
548 |
return NULL; |
549 |
} |
550 |
|
551 |
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
552 |
sg_set_error_with_errno(SG_ERROR_SOCKET, NULL); |
553 |
return NULL; |
554 |
} |
555 |
|
556 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
557 |
if (!strcmp(ksp->ks_class, "net")) { |
558 |
struct ifreq ifr; |
559 |
|
560 |
kstat_read(kc, ksp, NULL); |
561 |
|
562 |
strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name); |
563 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
564 |
/* Not a network interface. */ |
565 |
continue; |
566 |
} |
567 |
|
568 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
569 |
return NULL; |
570 |
} |
571 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
572 |
ifaces++; |
573 |
|
574 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
575 |
ksp->ks_name) < 0) { |
576 |
return NULL; |
577 |
} |
578 |
|
579 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
580 |
network_iface_stat_ptr->up = 1; |
581 |
} else { |
582 |
network_iface_stat_ptr->up = 1; |
583 |
} |
584 |
|
585 |
if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) { |
586 |
network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000); |
587 |
} else { |
588 |
network_iface_stat_ptr->speed = 0; |
589 |
} |
590 |
|
591 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
592 |
if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) { |
593 |
switch (knp->value.ui32) { |
594 |
case 1: |
595 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF; |
596 |
break; |
597 |
case 2: |
598 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL; |
599 |
break; |
600 |
} |
601 |
} |
602 |
} |
603 |
} |
604 |
|
605 |
close(sock); |
606 |
kstat_close(kc); |
607 |
#endif |
608 |
#ifdef LINUX |
609 |
f = fopen("/proc/net/dev", "r"); |
610 |
if(f == NULL){ |
611 |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev"); |
612 |
return NULL; |
613 |
} |
614 |
|
615 |
/* Setup stuff so we can do the ioctl to get the info */ |
616 |
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){ |
617 |
sg_set_error_with_errno(SG_ERROR_SOCKET, NULL); |
618 |
return NULL; |
619 |
} |
620 |
|
621 |
/* Ignore first 2 lines.. Just headings */ |
622 |
if((fgets(line, sizeof(line), f)) == NULL) { |
623 |
sg_set_error(SG_ERROR_PARSE, NULL); |
624 |
return NULL; |
625 |
} |
626 |
if((fgets(line, sizeof(line), f)) == NULL) { |
627 |
sg_set_error(SG_ERROR_PARSE, NULL); |
628 |
return NULL; |
629 |
} |
630 |
|
631 |
while((fgets(line, sizeof(line), f)) != NULL){ |
632 |
char *name, *ptr; |
633 |
struct ifreq ifr; |
634 |
struct ethtool_cmd ethcmd; |
635 |
int err; |
636 |
|
637 |
/* Get the interface name */ |
638 |
ptr = strchr(line, ':'); |
639 |
if (ptr == NULL) continue; |
640 |
*ptr='\0'; |
641 |
name = line; |
642 |
while(isspace(*(name))){ |
643 |
name++; |
644 |
} |
645 |
|
646 |
memset(&ifr, 0, sizeof ifr); |
647 |
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
648 |
|
649 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
650 |
continue; |
651 |
} |
652 |
|
653 |
/* We have a good interface to add */ |
654 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
655 |
return NULL; |
656 |
} |
657 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
658 |
|
659 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
660 |
name) < 0) { |
661 |
return NULL; |
662 |
} |
663 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
664 |
network_iface_stat_ptr->up = 1; |
665 |
} else { |
666 |
network_iface_stat_ptr->up = 0; |
667 |
} |
668 |
|
669 |
memset(ðcmd, 0, sizeof ethcmd); |
670 |
ethcmd.cmd = ETHTOOL_GSET; |
671 |
ifr.ifr_data = (caddr_t) ðcmd; |
672 |
|
673 |
err = ioctl(sock, SIOCETHTOOL, &ifr); |
674 |
if (err == 0) { |
675 |
network_iface_stat_ptr->speed = ethcmd.speed; |
676 |
|
677 |
switch (ethcmd.duplex) { |
678 |
case 0x00: |
679 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL; |
680 |
break; |
681 |
case 0x01: |
682 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF; |
683 |
break; |
684 |
default: |
685 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
686 |
} |
687 |
} else { |
688 |
/* Not all interfaces support the ethtool ioctl. */ |
689 |
network_iface_stat_ptr->speed = 0; |
690 |
network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN; |
691 |
} |
692 |
|
693 |
ifaces++; |
694 |
} |
695 |
close(sock); |
696 |
fclose(f); |
697 |
#endif |
698 |
#ifdef CYGWIN |
699 |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
700 |
return NULL; |
701 |
#endif |
702 |
#ifdef HPUX |
703 |
sg_set_error(SG_ERROR_UNSUPPORTED, "HP-UX"); |
704 |
return NULL; |
705 |
#endif |
706 |
|
707 |
*entries = ifaces; |
708 |
return network_iface_stats; |
709 |
} |
710 |
|
711 |
int sg_network_iface_compare_name(const void *va, const void *vb) { |
712 |
const sg_network_iface_stats *a = (const sg_network_iface_stats *)va; |
713 |
const sg_network_iface_stats *b = (const sg_network_iface_stats *)vb; |
714 |
|
715 |
return strcmp(a->interface_name, b->interface_name); |
716 |
} |
717 |
|