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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 1.57 2004/04/04 21:38:50 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" |
26 |
#endif |
27 |
|
28 |
#include <stdlib.h> |
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#include <string.h> |
30 |
#include "statgrab.h" |
31 |
#include <time.h> |
32 |
#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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#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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#include "tools.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; |
58 |
#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 network_stat_t *network_stats=NULL; |
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static int interfaces=0; |
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|
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void network_stat_init(int start, int end, network_stat_t *net_stats){ |
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|
77 |
for(net_stats+=start; start<end; start++){ |
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net_stats->interface_name=NULL; |
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net_stats->tx=0; |
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net_stats->rx=0; |
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net_stats->ipackets=0; |
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net_stats->opackets=0; |
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net_stats->ierrors=0; |
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net_stats->oerrors=0; |
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net_stats->collisions=0; |
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net_stats++; |
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} |
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} |
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|
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network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){ |
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|
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if(net_stats==NULL){ |
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|
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if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){ |
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return NULL; |
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} |
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network_stat_init(0, needed_entries, net_stats); |
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*cur_entries=needed_entries; |
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|
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return net_stats; |
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} |
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|
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|
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if(*cur_entries<needed_entries){ |
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net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries)); |
106 |
if(net_stats==NULL){ |
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return NULL; |
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} |
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network_stat_init(*cur_entries, needed_entries, net_stats); |
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*cur_entries=needed_entries; |
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} |
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|
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return net_stats; |
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} |
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|
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|
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network_stat_t *get_network_stats(int *entries){ |
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|
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static int sizeof_network_stats=0; |
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network_stat_t *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 |
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|
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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; |
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regmatch_t line_match[9]; |
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#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 |
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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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network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
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if(network_stats==NULL){ |
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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(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name); |
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network_stat_ptr->interface_name=strdup(net_ptr->ifa_name); |
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if(network_stat_ptr->interface_name==NULL) return NULL; |
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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) { |
180 |
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" |
187 |
#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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network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
210 |
if(network_stats==NULL){ |
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return NULL; |
212 |
} |
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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 */ |
219 |
if((knp=kstat_data_lookup(ksp, LTX))==NULL){ |
220 |
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 */ |
225 |
if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){ |
226 |
continue; |
227 |
} |
228 |
network_stat_ptr->ipackets=knp->VALTYPE; |
229 |
|
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/* Read opackets */ |
231 |
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 */ |
237 |
if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){ |
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continue; |
239 |
} |
240 |
network_stat_ptr->ierrors=knp->value.ui32; |
241 |
|
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/* Read oerrors */ |
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if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){ |
244 |
continue; |
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} |
246 |
network_stat_ptr->oerrors=knp->value.ui32; |
247 |
|
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/* Read collisions */ |
249 |
if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){ |
250 |
continue; |
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} |
252 |
network_stat_ptr->collisions=knp->value.ui32; |
253 |
|
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/* Read interface name */ |
255 |
if(network_stat_ptr->interface_name!=NULL){ |
256 |
free(network_stat_ptr->interface_name); |
257 |
} |
258 |
network_stat_ptr->interface_name=strdup(ksp->ks_name); |
259 |
|
260 |
/* Store systime */ |
261 |
network_stat_ptr->systime=time(NULL); |
262 |
|
263 |
interfaces++; |
264 |
} |
265 |
} |
266 |
|
267 |
kstat_close(kc); |
268 |
#endif |
269 |
#ifdef LINUX |
270 |
f=fopen("/proc/net/dev", "r"); |
271 |
if(f==NULL){ |
272 |
return NULL; |
273 |
} |
274 |
/* read the 2 lines.. Its the title, so we dont care :) */ |
275 |
fgets(line, sizeof(line), f); |
276 |
fgets(line, sizeof(line), f); |
277 |
|
278 |
|
279 |
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){ |
280 |
return NULL; |
281 |
} |
282 |
|
283 |
interfaces=0; |
284 |
|
285 |
while((fgets(line, sizeof(line), f)) != NULL){ |
286 |
if((regexec(®ex, line, 9, line_match, 0))!=0){ |
287 |
continue; |
288 |
} |
289 |
network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
290 |
if(network_stats==NULL){ |
291 |
return NULL; |
292 |
} |
293 |
network_stat_ptr=network_stats+interfaces; |
294 |
|
295 |
if(network_stat_ptr->interface_name!=NULL){ |
296 |
free(network_stat_ptr->interface_name); |
297 |
} |
298 |
|
299 |
network_stat_ptr->interface_name=get_string_match(line, &line_match[1]); |
300 |
network_stat_ptr->rx=get_ll_match(line, &line_match[2]); |
301 |
network_stat_ptr->tx=get_ll_match(line, &line_match[5]); |
302 |
network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]); |
303 |
network_stat_ptr->opackets=get_ll_match(line, &line_match[6]); |
304 |
network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]); |
305 |
network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]); |
306 |
network_stat_ptr->collisions=get_ll_match(line, &line_match[8]); |
307 |
network_stat_ptr->systime=time(NULL); |
308 |
|
309 |
interfaces++; |
310 |
} |
311 |
fclose(f); |
312 |
regfree(®ex); |
313 |
|
314 |
#endif |
315 |
|
316 |
#ifdef CYGWIN |
317 |
return NULL; |
318 |
#endif |
319 |
|
320 |
*entries=interfaces; |
321 |
|
322 |
return network_stats; |
323 |
} |
324 |
|
325 |
long long transfer_diff(long long new, long long old){ |
326 |
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD) |
327 |
/* 32-bit quantities, so we must explicitly deal with wraparound. */ |
328 |
#define MAXVAL 0x100000000LL |
329 |
if (new >= old) { |
330 |
return new - old; |
331 |
} else { |
332 |
return MAXVAL + new - old; |
333 |
} |
334 |
#else |
335 |
/* 64-bit quantities, so plain subtraction works. */ |
336 |
return new - old; |
337 |
#endif |
338 |
} |
339 |
|
340 |
network_stat_t *get_network_stats_diff(int *entries) { |
341 |
static network_stat_t *diff = NULL; |
342 |
static int diff_count = 0; |
343 |
network_stat_t *src = NULL, *dest; |
344 |
int i, j, new_count; |
345 |
|
346 |
if (network_stats == NULL) { |
347 |
/* No previous stats, so we can't calculate a difference. */ |
348 |
return get_network_stats(entries); |
349 |
} |
350 |
|
351 |
/* Resize the results array to match the previous stats. */ |
352 |
diff = network_stat_malloc(interfaces, &diff_count, diff); |
353 |
if (diff == NULL) { |
354 |
return NULL; |
355 |
} |
356 |
|
357 |
/* Copy the previous stats into the result. */ |
358 |
for (i = 0; i < diff_count; i++) { |
359 |
src = &network_stats[i]; |
360 |
dest = &diff[i]; |
361 |
|
362 |
if (dest->interface_name != NULL) { |
363 |
free(dest->interface_name); |
364 |
} |
365 |
dest->interface_name = strdup(src->interface_name); |
366 |
dest->rx = src->rx; |
367 |
dest->tx = src->tx; |
368 |
dest->ipackets = src->ipackets; |
369 |
dest->opackets = src->opackets; |
370 |
dest->ierrors = src->ierrors; |
371 |
dest->oerrors = src->oerrors; |
372 |
dest->collisions = src->collisions; |
373 |
dest->systime = src->systime; |
374 |
} |
375 |
|
376 |
/* Get a new set of stats. */ |
377 |
if (get_network_stats(&new_count) == NULL) { |
378 |
return NULL; |
379 |
} |
380 |
|
381 |
/* For each previous stat... */ |
382 |
for (i = 0; i < diff_count; i++) { |
383 |
dest = &diff[i]; |
384 |
|
385 |
/* ... find the corresponding new stat ... */ |
386 |
for (j = 0; j < new_count; j++) { |
387 |
/* Try the new stat in the same position first, |
388 |
since that's most likely to be it. */ |
389 |
src = &network_stats[(i + j) % new_count]; |
390 |
if (strcmp(src->interface_name, dest->interface_name) == 0) { |
391 |
break; |
392 |
} |
393 |
} |
394 |
if (j == new_count) { |
395 |
/* No match found. */ |
396 |
continue; |
397 |
} |
398 |
|
399 |
/* ... and subtract the previous stat from it to get the |
400 |
difference. */ |
401 |
dest->rx = transfer_diff(src->rx, dest->rx); |
402 |
dest->tx = transfer_diff(src->tx, dest->tx); |
403 |
dest->ipackets = transfer_diff(src->ipackets, dest->ipackets); |
404 |
dest->opackets = transfer_diff(src->opackets, dest->opackets); |
405 |
dest->ierrors = transfer_diff(src->ierrors, dest->ierrors); |
406 |
dest->oerrors = transfer_diff(src->oerrors, dest->oerrors); |
407 |
dest->collisions = transfer_diff(src->collisions, dest->collisions); |
408 |
dest->systime = src->systime - dest->systime; |
409 |
} |
410 |
|
411 |
*entries = diff_count; |
412 |
return diff; |
413 |
} |
414 |
/* NETWORK INTERFACE STATS */ |
415 |
|
416 |
void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){ |
417 |
|
418 |
for(net_stats+=start; start<end; start++){ |
419 |
net_stats->interface_name=NULL; |
420 |
net_stats->speed=0; |
421 |
net_stats->dup=UNKNOWN_DUPLEX; |
422 |
net_stats++; |
423 |
} |
424 |
} |
425 |
|
426 |
network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){ |
427 |
|
428 |
if(net_stats==NULL){ |
429 |
|
430 |
if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){ |
431 |
return NULL; |
432 |
} |
433 |
network_iface_stat_init(0, needed_entries, net_stats); |
434 |
*cur_entries=needed_entries; |
435 |
|
436 |
return net_stats; |
437 |
} |
438 |
|
439 |
|
440 |
if(*cur_entries<needed_entries){ |
441 |
net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries)); |
442 |
if(net_stats==NULL){ |
443 |
return NULL; |
444 |
} |
445 |
network_iface_stat_init(*cur_entries, needed_entries, net_stats); |
446 |
*cur_entries=needed_entries; |
447 |
} |
448 |
|
449 |
return net_stats; |
450 |
} |
451 |
|
452 |
network_iface_stat_t *get_network_iface_stats(int *entries){ |
453 |
static network_iface_stat_t *network_iface_stats; |
454 |
network_iface_stat_t *network_iface_stat_ptr; |
455 |
static int sizeof_network_iface_stats=0; |
456 |
int ifaces = 0; |
457 |
|
458 |
#ifdef SOLARIS |
459 |
kstat_ctl_t *kc; |
460 |
kstat_t *ksp; |
461 |
kstat_named_t *knp; |
462 |
int sock; |
463 |
#endif |
464 |
#ifdef ALLBSD |
465 |
struct ifaddrs *net, *net_ptr; |
466 |
struct ifmediareq ifmed; |
467 |
struct ifreq ifr; |
468 |
int sock; |
469 |
int x; |
470 |
#endif |
471 |
#ifdef LINUX |
472 |
FILE *f; |
473 |
/* Horrible big enough, but it should be easily big enough */ |
474 |
char line[8096]; |
475 |
int sock; |
476 |
#endif |
477 |
|
478 |
#ifdef ALLBSD |
479 |
if(getifaddrs(&net) != 0){ |
480 |
return NULL; |
481 |
} |
482 |
|
483 |
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL; |
484 |
|
485 |
for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){ |
486 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
487 |
network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats); |
488 |
if(network_iface_stats==NULL){ |
489 |
return NULL; |
490 |
} |
491 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
492 |
|
493 |
memset(&ifr, 0, sizeof(ifr)); |
494 |
strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name)); |
495 |
|
496 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){ |
497 |
continue; |
498 |
} |
499 |
if((ifr.ifr_flags & IFF_UP) != 0){ |
500 |
network_iface_stat_ptr->up = 1; |
501 |
}else{ |
502 |
network_iface_stat_ptr->up = 0; |
503 |
} |
504 |
|
505 |
if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name); |
506 |
network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name); |
507 |
if (network_iface_stat_ptr->interface_name == NULL) return NULL; |
508 |
|
509 |
network_iface_stat_ptr->speed = 0; |
510 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
511 |
ifaces++; |
512 |
|
513 |
memset(&ifmed, 0, sizeof(struct ifmediareq)); |
514 |
strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name)); |
515 |
if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){ |
516 |
/* Not all interfaces support the media ioctls. */ |
517 |
continue; |
518 |
} |
519 |
|
520 |
/* We may need to change this if we start doing wireless devices too */ |
521 |
if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){ |
522 |
/* Not a ETHER device */ |
523 |
continue; |
524 |
} |
525 |
|
526 |
/* Only intrested in the first 4 bits) - Assuming only ETHER devices */ |
527 |
x = ifmed.ifm_active & 0x0f; |
528 |
switch(x){ |
529 |
/* 10 Mbit connections. Speedy :) */ |
530 |
case(IFM_10_T): |
531 |
case(IFM_10_2): |
532 |
case(IFM_10_5): |
533 |
case(IFM_10_STP): |
534 |
case(IFM_10_FL): |
535 |
network_iface_stat_ptr->speed = 10; |
536 |
break; |
537 |
/* 100 Mbit conneections */ |
538 |
case(IFM_100_TX): |
539 |
case(IFM_100_FX): |
540 |
case(IFM_100_T4): |
541 |
case(IFM_100_VG): |
542 |
case(IFM_100_T2): |
543 |
network_iface_stat_ptr->speed = 100; |
544 |
break; |
545 |
/* 1000 Mbit connections */ |
546 |
case(IFM_1000_SX): |
547 |
case(IFM_1000_LX): |
548 |
case(IFM_1000_CX): |
549 |
#if defined(IFM_1000_TX) && !defined(OPENBSD) |
550 |
case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */ |
551 |
#endif |
552 |
#ifdef IFM_1000_FX |
553 |
case(IFM_1000_FX): /* FreeBSD 4 */ |
554 |
#endif |
555 |
#ifdef IFM_1000_T |
556 |
case(IFM_1000_T): /* FreeBSD 5 */ |
557 |
#endif |
558 |
network_iface_stat_ptr->speed = 1000; |
559 |
break; |
560 |
/* We don't know what it is */ |
561 |
default: |
562 |
network_iface_stat_ptr->speed = 0; |
563 |
break; |
564 |
} |
565 |
|
566 |
if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){ |
567 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
568 |
}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){ |
569 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
570 |
}else{ |
571 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
572 |
} |
573 |
|
574 |
} |
575 |
freeifaddrs(net); |
576 |
close(sock); |
577 |
#endif |
578 |
|
579 |
#ifdef SOLARIS |
580 |
if ((kc = kstat_open()) == NULL) { |
581 |
return NULL; |
582 |
} |
583 |
|
584 |
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
585 |
return NULL; |
586 |
} |
587 |
|
588 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
589 |
if (!strcmp(ksp->ks_class, "net")) { |
590 |
struct ifreq ifr; |
591 |
|
592 |
kstat_read(kc, ksp, NULL); |
593 |
|
594 |
strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name); |
595 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
596 |
/* Not a network interface. */ |
597 |
continue; |
598 |
} |
599 |
|
600 |
network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats); |
601 |
if (network_iface_stats == NULL) { |
602 |
return NULL; |
603 |
} |
604 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
605 |
ifaces++; |
606 |
|
607 |
if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name); |
608 |
network_iface_stat_ptr->interface_name = strdup(ksp->ks_name); |
609 |
if (network_iface_stat_ptr->interface_name == NULL) return NULL; |
610 |
|
611 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
612 |
network_iface_stat_ptr->up = 1; |
613 |
} else { |
614 |
network_iface_stat_ptr->up = 1; |
615 |
} |
616 |
|
617 |
if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) { |
618 |
network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000); |
619 |
} else { |
620 |
network_iface_stat_ptr->speed = 0; |
621 |
} |
622 |
|
623 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
624 |
if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) { |
625 |
switch (knp->value.ui32) { |
626 |
case 1: |
627 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
628 |
break; |
629 |
case 2: |
630 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
631 |
break; |
632 |
} |
633 |
} |
634 |
} |
635 |
} |
636 |
|
637 |
close(sock); |
638 |
kstat_close(kc); |
639 |
#endif |
640 |
#ifdef LINUX |
641 |
f = fopen("/proc/net/dev", "r"); |
642 |
if(f == NULL){ |
643 |
return NULL; |
644 |
} |
645 |
|
646 |
/* Setup stuff so we can do the ioctl to get the info */ |
647 |
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){ |
648 |
return NULL; |
649 |
} |
650 |
|
651 |
/* Ignore first 2 lines.. Just headings */ |
652 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
653 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
654 |
|
655 |
while((fgets(line, sizeof(line), f)) != NULL){ |
656 |
char *name, *ptr; |
657 |
struct ifreq ifr; |
658 |
struct ethtool_cmd ethcmd; |
659 |
int err; |
660 |
|
661 |
/* Get the interface name */ |
662 |
ptr = strchr(line, ':'); |
663 |
if (ptr == NULL) continue; |
664 |
*ptr='\0'; |
665 |
name = line; |
666 |
while(isspace(*(name))){ |
667 |
name++; |
668 |
} |
669 |
|
670 |
memset(&ifr, 0, sizeof ifr); |
671 |
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
672 |
|
673 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
674 |
continue; |
675 |
} |
676 |
|
677 |
/* We have a good interface to add */ |
678 |
network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats); |
679 |
if(network_iface_stats==NULL){ |
680 |
return NULL; |
681 |
} |
682 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
683 |
network_iface_stat_ptr->interface_name = strdup(name); |
684 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
685 |
network_iface_stat_ptr->up = 1; |
686 |
} else { |
687 |
network_iface_stat_ptr->up = 0; |
688 |
} |
689 |
|
690 |
memset(ðcmd, 0, sizeof ethcmd); |
691 |
ethcmd.cmd = ETHTOOL_GSET; |
692 |
ifr.ifr_data = (caddr_t) ðcmd; |
693 |
|
694 |
err = ioctl(sock, SIOCETHTOOL, &ifr); |
695 |
if (err == 0) { |
696 |
network_iface_stat_ptr->speed = ethcmd.speed; |
697 |
|
698 |
switch (ethcmd.duplex) { |
699 |
case 0x00: |
700 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
701 |
break; |
702 |
case 0x01: |
703 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
704 |
break; |
705 |
default: |
706 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
707 |
} |
708 |
} else { |
709 |
/* Not all interfaces support the ethtool ioctl. */ |
710 |
network_iface_stat_ptr->speed = 0; |
711 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
712 |
} |
713 |
|
714 |
ifaces++; |
715 |
} |
716 |
close(sock); |
717 |
fclose(f); |
718 |
#endif |
719 |
*entries = ifaces; |
720 |
return network_iface_stats; |
721 |
} |
722 |
|