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root/i-scream/projects/libstatgrab/src/libstatgrab/network_stats.c

Comparing projects/libstatgrab/src/libstatgrab/network_stats.c (file contents):
Revision 1.10 by pajs, Sat Mar 22 11:42:10 2003 UTC vs.
Revision 1.45 by tdb, Mon Feb 16 14:55:32 2004 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
3	>	* http://www.i-scream.org
4	>	* Copyright (C) 2000-2004 i-scream
5		*
6	<	* This program is free software; you can redistribute it and/or
7	<	* modify it under the terms of the GNU General Public License
8	<	* as published by the Free Software Foundation; either version 2
9	<	* of the License, or (at your option) any later version.
6	>	* This library is free software; you can redistribute it and/or
7	>	* modify it under the terms of the GNU Lesser General Public
8	>	* License as published by the Free Software Foundation; either
9	>	* version 2.1 of the License, or (at your option) any later version.
10		*
11	<	* This program is distributed in the hope that it will be useful,
11	>	* This library is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	<	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	<	* GNU General Public License for more details.
13	>	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14	>	* Lesser General Public License for more details.
15		*
16	<	* You should have received a copy of the GNU General Public License
17	<	* along with this program; if not, write to the Free Software
18	<	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16	>	* You should have received a copy of the GNU Lesser General Public
17	>	* License along with this library; if not, write to the Free Software
18	>	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19	>	* 02111-1307 USA
20	>	*
21	>	* $Id$
22		*/
23
24		#ifdef HAVE_CONFIG_H
#	Line 25 | Line 28
28		#include <stdlib.h>
29		#include <string.h>
30		#include "statgrab.h"
31	<	#include "time.h"
31	>	#include <time.h>
32		#ifdef SOLARIS
33		#include <kstat.h>
34		#include <sys/sysinfo.h>
35	+	#include <sys/types.h>
36	+	#include <sys/socket.h>
37	+	#include <sys/ioctl.h>
38	+	#include <net/if.h>
39	+	#include <netinet/in.h>
40	+	#include <sys/sockio.h>
41		#endif
42		#ifdef LINUX
43		#include <stdio.h>
44		#include <sys/types.h>
45		#include <regex.h>
46	+	#include <sys/ioctl.h>
47	+	#include <sys/socket.h>
48	+	#include <net/if.h>
49	+	#include <ctype.h>
50		#include "tools.h"
51	+	/* Stuff which could be defined by defining KERNEL, but
52	+	* that would be a bad idea, so we'll just declare it here
53	+	*/
54	+	typedef __uint8_t u8;
55	+	typedef __uint16_t u16;
56	+	typedef __uint32_t u32;
57	+	typedef __uint64_t u64;
58	+	#include <linux/ethtool.h>
59	+	#include <linux/sockios.h>
60	+	#include <unistd.h>
61		#endif
62	+	#ifdef ALLBSD
63	+	#include <sys/types.h>
64	+	#include <sys/socket.h>
65	+	#include <ifaddrs.h>
66	+	#include <net/if.h>
67	+	#include <net/if_media.h>
68	+	#include <sys/ioctl.h>
69	+	#endif
70
71		static network_stat_t *network_stats=NULL;
72		static int interfaces=0;
#	Line 90 | Line 121 | network_stat_t *get_network_stats(int *entries){
121
122		#ifdef LINUX
123		FILE *f;
124	<	/* Horrible big enough, but it should be quite easily */
124	>	/* Horrible big enough, but it should be easily big enough */
125		char line[8096];
126		regex_t regex;
127		regmatch_t line_match[4];
128		#endif
129	+	#ifdef ALLBSD
130	+	struct ifaddrs *net, *net_ptr;
131	+	struct if_data *net_data;
132	+	#endif
133
134	+	#ifdef ALLBSD
135	+	if(getifaddrs(&net) != 0){
136	+	return NULL;
137	+	}
138	+
139	+	interfaces=0;
140	+
141	+	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
142	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
143	+	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
144	+	if(network_stats==NULL){
145	+	return NULL;
146	+	}
147	+	network_stat_ptr=network_stats+interfaces;
148	+
149	+	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
150	+	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
151	+	if(network_stat_ptr->interface_name==NULL) return NULL;
152	+	net_data=(struct if_data *)net_ptr->ifa_data;
153	+	network_stat_ptr->rx=net_data->ifi_ibytes;
154	+	network_stat_ptr->tx=net_data->ifi_obytes;
155	+	network_stat_ptr->systime=time(NULL);
156	+	interfaces++;
157	+	}
158	+	freeifaddrs(net);
159	+	#endif
160	+
161		#ifdef SOLARIS
162		if ((kc = kstat_open()) == NULL) {
163		return NULL;
#	Line 118 | Line 180 | network_stat_t *get_network_stats(int *entries){
180		#endif
181
182		if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
183	<	/* Not a network interface, so skip to the next entry */
183	>	/* This is a network interface, but it doesn't
184	>	* have the rbytes/obytes values; for instance,
185	>	* the loopback devices have this behaviour
186	>	* (although they do track packets in/out). */
187		continue;
188		}
189
#	Line 130 | Line 195 | network_stat_t *get_network_stats(int *entries){
195		network_stat_ptr->rx=knp->VALTYPE;
196
197		if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
133	–	/* Not a network interface, so skip to the next entry */
198		continue;
199		}
200		network_stat_ptr->tx=knp->VALTYPE;
#	Line 183 | Line 247 | network_stat_t *get_network_stats(int *entries){
247
248		interfaces++;
249		}
250	+	fclose(f);
251	+	regfree(&regex);
252
253		#endif
254	+
255	+	#ifdef CYGWIN
256	+	return NULL;
257	+	#endif
258	+
259		*entries=interfaces;
260
261		return network_stats;
262		}
263
264		long long transfer_diff(long long new, long long old){
265	<	#ifdef SOL7
266	<	#define MAXVAL 4294967296
265	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
266	>	#define MAXVAL 4294967296LL
267		#else
268	<	#define MAXVAL 18446744073709551616
268	>	#define MAXVAL 18446744073709551616LL
269		#endif
270		long long result;
271		if(new>=old){
#	Line 207 | Line 278 | long long transfer_diff(long long new, long long old){
278
279		}
280
281	<	network_stat_t *get_network_stats_diff(int *entries){
282	<	static network_stat_t *network_stats_diff=NULL;
283	<	static int sizeof_net_stats_diff=0;
284	<	network_stat_t *network_stats_ptr, *network_stats_diff_ptr;
285	<	int ifaces, x, y;
281	>	network_stat_t *get_network_stats_diff(int *entries) {
282	>	static network_stat_t *diff = NULL;
283	>	static int diff_count = 0;
284	>	network_stat_t *src, *dest;
285	>	int i, j, new_count;
286
287	<	if(network_stats==NULL){
288	<	network_stats_ptr=get_network_stats(&ifaces);
289	<	*entries=ifaces;
219	<	return network_stats_ptr;
287	>	if (network_stats == NULL) {
288	>	/* No previous stats, so we can't calculate a difference. */
289	>	return get_network_stats(entries);
290		}
291
292	<	network_stats_diff=network_stat_malloc(interfaces, &sizeof_net_stats_diff, network_stats_diff);
293	<	if(network_stats_diff==NULL){
292	>	/* Resize the results array to match the previous stats. */
293	>	diff = network_stat_malloc(interfaces, &diff_count, diff);
294	>	if (diff == NULL) {
295		return NULL;
296		}
297
298	<	network_stats_ptr=network_stats;
299	<	network_stats_diff_ptr=network_stats_diff;
298	>	/* Copy the previous stats into the result. */
299	>	for (i = 0; i < diff_count; i++) {
300	>	src = &network_stats[i];
301	>	dest = &diff[i];
302
303	<	for(ifaces=0;ifaces<interfaces;ifaces++){
304	<	if(network_stats_diff_ptr->interface_name!=NULL){
232	<	free(network_stats_diff_ptr->interface_name);
303	>	if (dest->interface_name != NULL) {
304	>	free(dest->interface_name);
305		}
306	<	network_stats_diff_ptr->interface_name=strdup(network_stats_ptr->interface_name);
307	<	network_stats_diff_ptr->tx=network_stats_ptr->tx;
308	<	network_stats_diff_ptr->rx=network_stats_ptr->rx;
309	<	network_stats_diff_ptr->systime=network_stats->systime;
306	>	dest->interface_name = strdup(src->interface_name);
307	>	dest->rx = src->rx;
308	>	dest->tx = src->tx;
309	>	dest->systime = src->systime;
310	>	}
311
312	<	network_stats_ptr++;
313	<	network_stats_diff_ptr++;
312	>	/* Get a new set of stats. */
313	>	if (get_network_stats(&new_count) == NULL) {
314	>	return NULL;
315		}
242	–	network_stats_ptr=get_network_stats(&ifaces);
243	–	network_stats_diff_ptr=network_stats_diff;
316
317	<	for(x=0;x<sizeof_net_stats_diff;x++){
317	>	/* For each previous stat... */
318	>	for (i = 0; i < diff_count; i++) {
319	>	dest = &diff[i];
320
321	<	if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
322	<	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
323	<	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
324	<	network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
321	>	/* ... find the corresponding new stat ... */
322	>	for (j = 0; j < new_count; j++) {
323	>	/* Try the new stat in the same position first,
324	>	since that's most likely to be it. */
325	>	src = &network_stats[(i + j) % new_count];
326	>	if (strcmp(src->interface_name, dest->interface_name) == 0) {
327	>	break;
328	>	}
329	>	}
330	>	if (j == new_count) {
331	>	/* No match found. */
332	>	continue;
333	>	}
334	>
335	>	/* ... and subtract the previous stat from it to get the
336	>	difference. */
337	>	dest->rx = transfer_diff(src->rx, dest->rx);
338	>	dest->tx = transfer_diff(src->tx, dest->tx);
339	>	dest->systime = src->systime - dest->systime;
340	>	}
341	>
342	>	*entries = diff_count;
343	>	return diff;
344	>	}
345	>	/* NETWORK INTERFACE STATS */
346	>
347	>	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
348	>
349	>	for(net_stats+=start; start<end; start++){
350	>	net_stats->interface_name=NULL;
351	>	net_stats->speed=0;
352	>	net_stats->dup=UNKNOWN_DUPLEX;
353	>	net_stats++;
354	>	}
355	>	}
356	>
357	>	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
358	>
359	>	if(net_stats==NULL){
360	>
361	>	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
362	>	return NULL;
363	>	}
364	>	network_iface_stat_init(0, needed_entries, net_stats);
365	>	*cur_entries=needed_entries;
366	>
367	>	return net_stats;
368	>	}
369	>
370	>
371	>	if(*cur_entries<needed_entries){
372	>	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
373	>	if(net_stats==NULL){
374	>	return NULL;
375	>	}
376	>	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
377	>	*cur_entries=needed_entries;
378	>	}
379	>
380	>	return net_stats;
381	>	}
382	>
383	>	network_iface_stat_t *get_network_iface_stats(int *entries){
384	>	static network_iface_stat_t *network_iface_stats;
385	>	network_iface_stat_t *network_iface_stat_ptr;
386	>	static int sizeof_network_iface_stats=0;
387	>	int ifaces = 0;
388	>
389	>	#ifdef SOLARIS
390	>	kstat_ctl_t *kc;
391	>	kstat_t *ksp;
392	>	kstat_named_t *knp;
393	>	int sock;
394	>	#endif
395	>	#ifdef ALLBSD
396	>	struct ifaddrs *net, *net_ptr;
397	>	struct ifmediareq ifmed;
398	>	struct ifreq ifr;
399	>	int sock;
400	>	int x;
401	>	#endif
402	>	#ifdef LINUX
403	>	FILE *f;
404	>	/* Horrible big enough, but it should be easily big enough */
405	>	char line[8096];
406	>	int sock;
407	>	#endif
408	>
409	>	#ifdef ALLBSD
410	>	if(getifaddrs(&net) != 0){
411	>	return NULL;
412	>	}
413	>
414	>	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
415	>
416	>	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
417	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
418	>	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
419	>	if(network_iface_stats==NULL){
420	>	return NULL;
421	>	}
422	>	network_iface_stat_ptr = network_iface_stats + ifaces;
423	>
424	>	memset(&ifr, 0, sizeof(ifr));
425	>	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
426	>
427	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
428	>	continue;
429	>	}
430	>	if((ifr.ifr_flags & IFF_UP) != 0){
431	>	network_iface_stat_ptr->up = 1;
432		}else{
433	<
434	<	network_stats_ptr=network_stats;
435	<	for(y=0;y<ifaces;y++){
436	<	if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
437	<	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
438	<	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
439	<	network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
433	>	network_iface_stat_ptr->up = 0;
434	>	}
435	>
436	>	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
437	>	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
438	>	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
439	>
440	>	network_iface_stat_ptr->speed = 0;
441	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
442	>	ifaces++;
443	>
444	>	memset(&ifmed, 0, sizeof(struct ifmediareq));
445	>	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
446	>	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
447	>	/* Not all interfaces support the media ioctls. */
448	>	continue;
449	>	}
450	>
451	>	/* We may need to change this if we start doing wireless devices too */
452	>	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
453	>	/* Not a ETHER device */
454	>	continue;
455	>	}
456	>
457	>	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
458	>	x = ifmed.ifm_active & 0x0f;
459	>	switch(x){
460	>	/* 10 Mbit connections. Speedy :) */
461	>	case(IFM_10_T):
462	>	case(IFM_10_2):
463	>	case(IFM_10_5):
464	>	case(IFM_10_STP):
465	>	case(IFM_10_FL):
466	>	network_iface_stat_ptr->speed = 10;
467	>	break;
468	>	/* 100 Mbit conneections */
469	>	case(IFM_100_TX):
470	>	case(IFM_100_FX):
471	>	case(IFM_100_T4):
472	>	case(IFM_100_VG):
473	>	case(IFM_100_T2):
474	>	network_iface_stat_ptr->speed = 100;
475	>	break;
476	>	/* 1000 Mbit connections */
477	>	case(IFM_1000_SX):
478	>	case(IFM_1000_LX):
479	>	case(IFM_1000_CX):
480	>	#ifdef IFM_1000_TX
481	>	case(IFM_1000_TX): /* FreeBSD 4 and others? */
482	>	#endif
483	>	#ifdef IFM_1000_FX
484	>	case(IFM_1000_FX): /* FreeBSD 4 */
485	>	#endif
486	>	#ifdef IFM_1000_T
487	>	case(IFM_1000_T): /* FreeBSD 5 */
488	>	#endif
489	>	network_iface_stat_ptr->speed = 1000;
490	>	break;
491	>	/* We don't know what it is */
492	>	default:
493	>	network_iface_stat_ptr->speed = 0;
494	>	break;
495	>	}
496	>
497	>	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
498	>	network_iface_stat_ptr->dup = FULL_DUPLEX;
499	>	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
500	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
501	>	}else{
502	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
503	>	}
504	>
505	>	}
506	>	freeifaddrs(net);
507	>	close(sock);
508	>	#endif
509	>
510	>	#ifdef SOLARIS
511	>	if ((kc = kstat_open()) == NULL) {
512	>	return NULL;
513	>	}
514	>
515	>	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
516	>	return NULL;
517	>	}
518	>
519	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
520	>	if (!strcmp(ksp->ks_class, "net")) {
521	>	struct ifreq ifr;
522	>
523	>	kstat_read(kc, ksp, NULL);
524	>
525	>	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
526	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
527	>	/* Not a network interface. */
528	>	continue;
529	>	}
530	>
531	>	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
532	>	if (network_iface_stats == NULL) {
533	>	return NULL;
534	>	}
535	>	network_iface_stat_ptr = network_iface_stats + ifaces;
536	>	ifaces++;
537	>
538	>	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
539	>	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
540	>	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
541	>
542	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
543	>	network_iface_stat_ptr->up = 1;
544	>	} else {
545	>	network_iface_stat_ptr->up = 1;
546	>	}
547	>
548	>	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
549	>	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
550	>	} else {
551	>	network_iface_stat_ptr->speed = 0;
552	>	}
553	>
554	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
555	>	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
556	>	switch (knp->value.ui32) {
557	>	case 1:
558	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
559		break;
560	+	case 2:
561	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
562	+	break;
563		}
564	<
262	<	network_stats_ptr++;
263	<	}
564	>	}
565		}
566	+	}
567
568	<	network_stats_ptr++;
569	<	network_stats_diff_ptr++;
568	>	close(sock);
569	>	kstat_close(kc);
570	>	#endif
571	>	#ifdef LINUX
572	>	f = fopen("/proc/net/dev", "r");
573	>	if(f == NULL){
574	>	return NULL;
575	>	}
576	>
577	>	/* Setup stuff so we can do the ioctl to get the info */
578	>	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
579	>	return NULL;
580		}
581
582	<	*entries=sizeof_net_stats_diff;
583	<	return network_stats_diff;
584	<	}
582	>	/* Ignore first 2 lines.. Just headings */
583	>	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
584	>	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
585	>
586	>	while((fgets(line, sizeof(line), f)) != NULL){
587	>	char *name, *ptr;
588	>	struct ifreq ifr;
589	>	struct ethtool_cmd ethcmd;
590	>	int err;
591	>
592	>	/* Get the interface name */
593	>	ptr = strchr(line, ':');
594	>	if (ptr == NULL) continue;
595	>	*ptr='\0';
596	>	name = line;
597	>	while(isspace(*(name))){
598	>	name++;
599	>	}
600	>
601	>	memset(&ifr, 0, sizeof ifr);
602	>	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
603	>
604	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
605	>	continue;
606	>	}
607	>
608	>	/* We have a good interface to add */
609	>	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
610	>	if(network_iface_stats==NULL){
611	>	return NULL;
612	>	}
613	>	network_iface_stat_ptr = network_iface_stats + ifaces;
614	>	network_iface_stat_ptr->interface_name = strdup(name);
615	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
616	>	network_iface_stat_ptr->up = 1;
617	>	} else {
618	>	network_iface_stat_ptr->up = 0;
619	>	}
620	>
621	>	memset(&ethcmd, 0, sizeof ethcmd);
622	>	ethcmd.cmd = ETHTOOL_GSET;
623	>	ifr.ifr_data = (caddr_t) &ethcmd;
624	>
625	>	err = ioctl(sock, SIOCETHTOOL, &ifr);
626	>	if (err == 0) {
627	>	network_iface_stat_ptr->speed = ethcmd.speed;
628	>
629	>	switch (ethcmd.duplex) {
630	>	case 0x00:
631	>	network_iface_stat_ptr->dup = FULL_DUPLEX;
632	>	break;
633	>	case 0x01:
634	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
635	>	break;
636	>	default:
637	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
638	>	}
639	>	} else {
640	>	/* Not all interfaces support the ethtool ioctl. */
641	>	network_iface_stat_ptr->speed = 0;
642	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
643	>	}
644	>
645	>	ifaces++;
646	>	}
647	>	close(sock);
648	>	fclose(f);
649	>	#endif
650	>	*entries = ifaces;
651	>	return network_iface_stats;
652	>	}
653

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