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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 1.53 2004/03/08 12:31:01 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" |
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> |
36 |
#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; |
55 |
typedef __uint16_t u16; |
56 |
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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#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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|
74 |
void network_stat_init(int start, int end, network_stat_t *net_stats){ |
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|
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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)); |
105 |
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; |
113 |
} |
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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 */ |
130 |
char line[8096]; |
131 |
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; |
174 |
} |
175 |
|
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interfaces=0; |
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|
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for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
179 |
if (!strcmp(ksp->ks_class, "net")) { |
180 |
kstat_read(kc, ksp, NULL); |
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|
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#ifdef SOL7 |
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#define LRX "rbytes" |
184 |
#define LTX "obytes" |
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#define LIPACKETS "ipackets" |
186 |
#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 */ |
197 |
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). */ |
202 |
continue; |
203 |
} |
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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); |
207 |
if(network_stats==NULL){ |
208 |
return NULL; |
209 |
} |
210 |
network_stat_ptr=network_stats+interfaces; |
211 |
|
212 |
/* Finish reading rx */ |
213 |
network_stat_ptr->rx=knp->VALTYPE; |
214 |
|
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/* Read tx */ |
216 |
if((knp=kstat_data_lookup(ksp, LTX))==NULL){ |
217 |
continue; |
218 |
} |
219 |
network_stat_ptr->tx=knp->VALTYPE; |
220 |
|
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/* Read ipackets */ |
222 |
if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){ |
223 |
continue; |
224 |
} |
225 |
network_stat_ptr->ipackets=knp->VALTYPE; |
226 |
|
227 |
/* Read opackets */ |
228 |
if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){ |
229 |
continue; |
230 |
} |
231 |
network_stat_ptr->opackets=knp->VALTYPE; |
232 |
|
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/* Read ierrors */ |
234 |
if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){ |
235 |
continue; |
236 |
} |
237 |
network_stat_ptr->ierrors=knp->value.ui32; |
238 |
|
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/* Read oerrors */ |
240 |
if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){ |
241 |
continue; |
242 |
} |
243 |
network_stat_ptr->oerrors=knp->value.ui32; |
244 |
|
245 |
/* Read collisions */ |
246 |
if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){ |
247 |
continue; |
248 |
} |
249 |
network_stat_ptr->collisions=knp->value.ui32; |
250 |
|
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/* Read interface name */ |
252 |
if(network_stat_ptr->interface_name!=NULL){ |
253 |
free(network_stat_ptr->interface_name); |
254 |
} |
255 |
network_stat_ptr->interface_name=strdup(ksp->ks_name); |
256 |
|
257 |
/* Store systime */ |
258 |
network_stat_ptr->systime=time(NULL); |
259 |
|
260 |
interfaces++; |
261 |
} |
262 |
} |
263 |
|
264 |
kstat_close(kc); |
265 |
#endif |
266 |
#ifdef LINUX |
267 |
f=fopen("/proc/net/dev", "r"); |
268 |
if(f==NULL){ |
269 |
return NULL; |
270 |
} |
271 |
/* read the 2 lines.. Its the title, so we dont care :) */ |
272 |
fgets(line, sizeof(line), f); |
273 |
fgets(line, sizeof(line), f); |
274 |
|
275 |
|
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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){ |
277 |
return NULL; |
278 |
} |
279 |
|
280 |
interfaces=0; |
281 |
|
282 |
while((fgets(line, sizeof(line), f)) != NULL){ |
283 |
if((regexec(®ex, line, 9, line_match, 0))!=0){ |
284 |
continue; |
285 |
} |
286 |
network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
287 |
if(network_stats==NULL){ |
288 |
return NULL; |
289 |
} |
290 |
network_stat_ptr=network_stats+interfaces; |
291 |
|
292 |
if(network_stat_ptr->interface_name!=NULL){ |
293 |
free(network_stat_ptr->interface_name); |
294 |
} |
295 |
|
296 |
network_stat_ptr->interface_name=get_string_match(line, &line_match[1]); |
297 |
network_stat_ptr->rx=get_ll_match(line, &line_match[2]); |
298 |
network_stat_ptr->tx=get_ll_match(line, &line_match[5]); |
299 |
network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]); |
300 |
network_stat_ptr->opackets=get_ll_match(line, &line_match[6]); |
301 |
network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]); |
302 |
network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]); |
303 |
network_stat_ptr->collisions=get_ll_match(line, &line_match[8]); |
304 |
network_stat_ptr->systime=time(NULL); |
305 |
|
306 |
interfaces++; |
307 |
} |
308 |
fclose(f); |
309 |
regfree(®ex); |
310 |
|
311 |
#endif |
312 |
|
313 |
#ifdef CYGWIN |
314 |
return NULL; |
315 |
#endif |
316 |
|
317 |
*entries=interfaces; |
318 |
|
319 |
return network_stats; |
320 |
} |
321 |
|
322 |
long long transfer_diff(long long new, long long old){ |
323 |
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) |
324 |
#define MAXVAL 0xffffffffLL |
325 |
#else |
326 |
#define MAXVAL 0xffffffffffffffffLL |
327 |
#endif |
328 |
long long result; |
329 |
if(new>=old){ |
330 |
result = (new-old); |
331 |
}else{ |
332 |
result = (MAXVAL+(new-old)); |
333 |
} |
334 |
|
335 |
return result; |
336 |
|
337 |
} |
338 |
|
339 |
network_stat_t *get_network_stats_diff(int *entries) { |
340 |
static network_stat_t *diff = NULL; |
341 |
static int diff_count = 0; |
342 |
network_stat_t *src, *dest; |
343 |
int i, j, new_count; |
344 |
|
345 |
if (network_stats == NULL) { |
346 |
/* No previous stats, so we can't calculate a difference. */ |
347 |
return get_network_stats(entries); |
348 |
} |
349 |
|
350 |
/* Resize the results array to match the previous stats. */ |
351 |
diff = network_stat_malloc(interfaces, &diff_count, diff); |
352 |
if (diff == NULL) { |
353 |
return NULL; |
354 |
} |
355 |
|
356 |
/* Copy the previous stats into the result. */ |
357 |
for (i = 0; i < diff_count; i++) { |
358 |
src = &network_stats[i]; |
359 |
dest = &diff[i]; |
360 |
|
361 |
if (dest->interface_name != NULL) { |
362 |
free(dest->interface_name); |
363 |
} |
364 |
dest->interface_name = strdup(src->interface_name); |
365 |
dest->rx = src->rx; |
366 |
dest->tx = src->tx; |
367 |
dest->ipackets = src->ipackets; |
368 |
dest->opackets = src->opackets; |
369 |
dest->ierrors = src->ierrors; |
370 |
dest->oerrors = src->oerrors; |
371 |
dest->collisions = src->collisions; |
372 |
dest->systime = src->systime; |
373 |
} |
374 |
|
375 |
/* Get a new set of stats. */ |
376 |
if (get_network_stats(&new_count) == NULL) { |
377 |
return NULL; |
378 |
} |
379 |
|
380 |
/* For each previous stat... */ |
381 |
for (i = 0; i < diff_count; i++) { |
382 |
dest = &diff[i]; |
383 |
|
384 |
/* ... find the corresponding new stat ... */ |
385 |
for (j = 0; j < new_count; j++) { |
386 |
/* Try the new stat in the same position first, |
387 |
since that's most likely to be it. */ |
388 |
src = &network_stats[(i + j) % new_count]; |
389 |
if (strcmp(src->interface_name, dest->interface_name) == 0) { |
390 |
break; |
391 |
} |
392 |
} |
393 |
if (j == new_count) { |
394 |
/* No match found. */ |
395 |
continue; |
396 |
} |
397 |
|
398 |
/* ... and subtract the previous stat from it to get the |
399 |
difference. */ |
400 |
dest->rx = transfer_diff(src->rx, dest->rx); |
401 |
dest->tx = transfer_diff(src->tx, dest->tx); |
402 |
dest->ipackets = transfer_diff(src->ipackets, dest->ipackets); |
403 |
dest->opackets = transfer_diff(src->opackets, dest->opackets); |
404 |
dest->ierrors = transfer_diff(src->ierrors, dest->ierrors); |
405 |
dest->oerrors = transfer_diff(src->oerrors, dest->oerrors); |
406 |
dest->collisions = transfer_diff(src->collisions, dest->collisions); |
407 |
dest->systime = src->systime - dest->systime; |
408 |
} |
409 |
|
410 |
*entries = diff_count; |
411 |
return diff; |
412 |
} |
413 |
/* NETWORK INTERFACE STATS */ |
414 |
|
415 |
void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){ |
416 |
|
417 |
for(net_stats+=start; start<end; start++){ |
418 |
net_stats->interface_name=NULL; |
419 |
net_stats->speed=0; |
420 |
net_stats->dup=UNKNOWN_DUPLEX; |
421 |
net_stats++; |
422 |
} |
423 |
} |
424 |
|
425 |
network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){ |
426 |
|
427 |
if(net_stats==NULL){ |
428 |
|
429 |
if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){ |
430 |
return NULL; |
431 |
} |
432 |
network_iface_stat_init(0, needed_entries, net_stats); |
433 |
*cur_entries=needed_entries; |
434 |
|
435 |
return net_stats; |
436 |
} |
437 |
|
438 |
|
439 |
if(*cur_entries<needed_entries){ |
440 |
net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries)); |
441 |
if(net_stats==NULL){ |
442 |
return NULL; |
443 |
} |
444 |
network_iface_stat_init(*cur_entries, needed_entries, net_stats); |
445 |
*cur_entries=needed_entries; |
446 |
} |
447 |
|
448 |
return net_stats; |
449 |
} |
450 |
|
451 |
network_iface_stat_t *get_network_iface_stats(int *entries){ |
452 |
static network_iface_stat_t *network_iface_stats; |
453 |
network_iface_stat_t *network_iface_stat_ptr; |
454 |
static int sizeof_network_iface_stats=0; |
455 |
int ifaces = 0; |
456 |
|
457 |
#ifdef SOLARIS |
458 |
kstat_ctl_t *kc; |
459 |
kstat_t *ksp; |
460 |
kstat_named_t *knp; |
461 |
int sock; |
462 |
#endif |
463 |
#ifdef ALLBSD |
464 |
struct ifaddrs *net, *net_ptr; |
465 |
struct ifmediareq ifmed; |
466 |
struct ifreq ifr; |
467 |
int sock; |
468 |
int x; |
469 |
#endif |
470 |
#ifdef LINUX |
471 |
FILE *f; |
472 |
/* Horrible big enough, but it should be easily big enough */ |
473 |
char line[8096]; |
474 |
int sock; |
475 |
#endif |
476 |
|
477 |
#ifdef ALLBSD |
478 |
if(getifaddrs(&net) != 0){ |
479 |
return NULL; |
480 |
} |
481 |
|
482 |
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL; |
483 |
|
484 |
for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){ |
485 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
486 |
network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats); |
487 |
if(network_iface_stats==NULL){ |
488 |
return NULL; |
489 |
} |
490 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
491 |
|
492 |
memset(&ifr, 0, sizeof(ifr)); |
493 |
strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name)); |
494 |
|
495 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){ |
496 |
continue; |
497 |
} |
498 |
if((ifr.ifr_flags & IFF_UP) != 0){ |
499 |
network_iface_stat_ptr->up = 1; |
500 |
}else{ |
501 |
network_iface_stat_ptr->up = 0; |
502 |
} |
503 |
|
504 |
if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name); |
505 |
network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name); |
506 |
if (network_iface_stat_ptr->interface_name == NULL) return NULL; |
507 |
|
508 |
network_iface_stat_ptr->speed = 0; |
509 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
510 |
ifaces++; |
511 |
|
512 |
memset(&ifmed, 0, sizeof(struct ifmediareq)); |
513 |
strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name)); |
514 |
if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){ |
515 |
/* Not all interfaces support the media ioctls. */ |
516 |
continue; |
517 |
} |
518 |
|
519 |
/* We may need to change this if we start doing wireless devices too */ |
520 |
if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){ |
521 |
/* Not a ETHER device */ |
522 |
continue; |
523 |
} |
524 |
|
525 |
/* Only intrested in the first 4 bits) - Assuming only ETHER devices */ |
526 |
x = ifmed.ifm_active & 0x0f; |
527 |
switch(x){ |
528 |
/* 10 Mbit connections. Speedy :) */ |
529 |
case(IFM_10_T): |
530 |
case(IFM_10_2): |
531 |
case(IFM_10_5): |
532 |
case(IFM_10_STP): |
533 |
case(IFM_10_FL): |
534 |
network_iface_stat_ptr->speed = 10; |
535 |
break; |
536 |
/* 100 Mbit conneections */ |
537 |
case(IFM_100_TX): |
538 |
case(IFM_100_FX): |
539 |
case(IFM_100_T4): |
540 |
case(IFM_100_VG): |
541 |
case(IFM_100_T2): |
542 |
network_iface_stat_ptr->speed = 100; |
543 |
break; |
544 |
/* 1000 Mbit connections */ |
545 |
case(IFM_1000_SX): |
546 |
case(IFM_1000_LX): |
547 |
case(IFM_1000_CX): |
548 |
#if defined(IFM_1000_TX) && !defined(OPENBSD) |
549 |
case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */ |
550 |
#endif |
551 |
#ifdef IFM_1000_FX |
552 |
case(IFM_1000_FX): /* FreeBSD 4 */ |
553 |
#endif |
554 |
#ifdef IFM_1000_T |
555 |
case(IFM_1000_T): /* FreeBSD 5 */ |
556 |
#endif |
557 |
network_iface_stat_ptr->speed = 1000; |
558 |
break; |
559 |
/* We don't know what it is */ |
560 |
default: |
561 |
network_iface_stat_ptr->speed = 0; |
562 |
break; |
563 |
} |
564 |
|
565 |
if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){ |
566 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
567 |
}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){ |
568 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
569 |
}else{ |
570 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
571 |
} |
572 |
|
573 |
} |
574 |
freeifaddrs(net); |
575 |
close(sock); |
576 |
#endif |
577 |
|
578 |
#ifdef SOLARIS |
579 |
if ((kc = kstat_open()) == NULL) { |
580 |
return NULL; |
581 |
} |
582 |
|
583 |
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
584 |
return NULL; |
585 |
} |
586 |
|
587 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
588 |
if (!strcmp(ksp->ks_class, "net")) { |
589 |
struct ifreq ifr; |
590 |
|
591 |
kstat_read(kc, ksp, NULL); |
592 |
|
593 |
strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name); |
594 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
595 |
/* Not a network interface. */ |
596 |
continue; |
597 |
} |
598 |
|
599 |
network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats); |
600 |
if (network_iface_stats == NULL) { |
601 |
return NULL; |
602 |
} |
603 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
604 |
ifaces++; |
605 |
|
606 |
if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name); |
607 |
network_iface_stat_ptr->interface_name = strdup(ksp->ks_name); |
608 |
if (network_iface_stat_ptr->interface_name == NULL) return NULL; |
609 |
|
610 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
611 |
network_iface_stat_ptr->up = 1; |
612 |
} else { |
613 |
network_iface_stat_ptr->up = 1; |
614 |
} |
615 |
|
616 |
if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) { |
617 |
network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000); |
618 |
} else { |
619 |
network_iface_stat_ptr->speed = 0; |
620 |
} |
621 |
|
622 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
623 |
if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) { |
624 |
switch (knp->value.ui32) { |
625 |
case 1: |
626 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
627 |
break; |
628 |
case 2: |
629 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
630 |
break; |
631 |
} |
632 |
} |
633 |
} |
634 |
} |
635 |
|
636 |
close(sock); |
637 |
kstat_close(kc); |
638 |
#endif |
639 |
#ifdef LINUX |
640 |
f = fopen("/proc/net/dev", "r"); |
641 |
if(f == NULL){ |
642 |
return NULL; |
643 |
} |
644 |
|
645 |
/* Setup stuff so we can do the ioctl to get the info */ |
646 |
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){ |
647 |
return NULL; |
648 |
} |
649 |
|
650 |
/* Ignore first 2 lines.. Just headings */ |
651 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
652 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
653 |
|
654 |
while((fgets(line, sizeof(line), f)) != NULL){ |
655 |
char *name, *ptr; |
656 |
struct ifreq ifr; |
657 |
struct ethtool_cmd ethcmd; |
658 |
int err; |
659 |
|
660 |
/* Get the interface name */ |
661 |
ptr = strchr(line, ':'); |
662 |
if (ptr == NULL) continue; |
663 |
*ptr='\0'; |
664 |
name = line; |
665 |
while(isspace(*(name))){ |
666 |
name++; |
667 |
} |
668 |
|
669 |
memset(&ifr, 0, sizeof ifr); |
670 |
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
671 |
|
672 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
673 |
continue; |
674 |
} |
675 |
|
676 |
/* We have a good interface to add */ |
677 |
network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats); |
678 |
if(network_iface_stats==NULL){ |
679 |
return NULL; |
680 |
} |
681 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
682 |
network_iface_stat_ptr->interface_name = strdup(name); |
683 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
684 |
network_iface_stat_ptr->up = 1; |
685 |
} else { |
686 |
network_iface_stat_ptr->up = 0; |
687 |
} |
688 |
|
689 |
memset(ðcmd, 0, sizeof ethcmd); |
690 |
ethcmd.cmd = ETHTOOL_GSET; |
691 |
ifr.ifr_data = (caddr_t) ðcmd; |
692 |
|
693 |
err = ioctl(sock, SIOCETHTOOL, &ifr); |
694 |
if (err == 0) { |
695 |
network_iface_stat_ptr->speed = ethcmd.speed; |
696 |
|
697 |
switch (ethcmd.duplex) { |
698 |
case 0x00: |
699 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
700 |
break; |
701 |
case 0x01: |
702 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
703 |
break; |
704 |
default: |
705 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
706 |
} |
707 |
} else { |
708 |
/* Not all interfaces support the ethtool ioctl. */ |
709 |
network_iface_stat_ptr->speed = 0; |
710 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
711 |
} |
712 |
|
713 |
ifaces++; |
714 |
} |
715 |
close(sock); |
716 |
fclose(f); |
717 |
#endif |
718 |
*entries = ifaces; |
719 |
return network_iface_stats; |
720 |
} |
721 |
|