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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 1.1 by pajs, Tue Feb 18 19:28:30 2003 UTC vs.
Revision 1.42 by ats, Sat Feb 14 12:22:45 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
25		#include "config.h"
26		#endif
27
25	–	#include <stdio.h>
26	–	#include "statgrab.h"
28		#include <stdlib.h>
29	+	#include <string.h>
30	+	#include "statgrab.h"
31	+	#include <time.h>
32		#ifdef SOLARIS
33		#include <kstat.h>
34		#include <sys/sysinfo.h>
31	–	#include <string.h>
35		#endif
36	+	#ifdef LINUX
37	+	#include <stdio.h>
38	+	#include <sys/types.h>
39	+	#include <regex.h>
40	+	#include <sys/ioctl.h>
41	+	#include <sys/socket.h>
42	+	#include <net/if.h>
43	+	#include <ctype.h>
44	+	#include "tools.h"
45	+	/* Stuff which could be defined by defining KERNEL, but
46	+	* that would be a bad idea, so we'll just declare it here
47	+	*/
48	+	typedef __uint8_t u8;
49	+	typedef __uint16_t u16;
50	+	typedef __uint32_t u32;
51	+	typedef __uint64_t u64;
52	+	#include <linux/ethtool.h>
53	+	#include <linux/sockios.h>
54	+	#include <unistd.h>
55	+	#endif
56	+	#ifdef ALLBSD
57	+	#include <sys/types.h>
58	+	#include <sys/socket.h>
59	+	#include <ifaddrs.h>
60	+	#include <net/if.h>
61	+	#include <net/if_media.h>
62	+	#include <sys/ioctl.h>
63	+	#endif
64
65	<	#define START_VAL 1
65	>	static network_stat_t *network_stats=NULL;
66	>	static int interfaces=0;
67
68	<	network_stat_t *network_stat_init(int num_iface, int *wmark, network_stat_t *net_stats){
37	<	int x;
38	<	network_stat_t *net_stats_ptr;
68	>	void network_stat_init(int start, int end, network_stat_t *net_stats){
69
70	<	if(*wmark==-1){
71	<	printf("new malloc\n");
72	<	if((net_stats=malloc(START_VAL * sizeof(network_stat_t)))==NULL){
70	>	for(net_stats+=start; start<end; start++){
71	>	net_stats->interface_name=NULL;
72	>	net_stats->tx=0;
73	>	net_stats->rx=0;
74	>	net_stats++;
75	>	}
76	>	}
77	>
78	>	network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){
79	>
80	>	if(net_stats==NULL){
81	>
82	>	if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
83		return NULL;
84		}
85	<	*wmark=START_VAL;
86	<	net_stats_ptr=net_stats;
87	<	for(x=0;x<(*wmark);x++){
48	<	net_stats_ptr->interface_name=NULL;
49	<	net_stats_ptr++;
50	<	}
85	>	network_stat_init(0, needed_entries, net_stats);
86	>	*cur_entries=needed_entries;
87	>
88		return net_stats;
89		}
90	<	if(num_iface>(*wmark-1)){
91	<	if((net_stats=realloc(net_stats, (*wmark)*2 * sizeof(network_stat_t)))==NULL){
90	>
91	>
92	>	if(*cur_entries<needed_entries){
93	>	net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
94	>	if(net_stats==NULL){
95		return NULL;
96		}
97	<
98	<	*wmark=(*wmark)*2;
59	<	net_stats_ptr=net_stats+num_iface;
60	<	for(x=num_iface;x<(*wmark);x++){
61	<	net_stats_ptr->interface_name=NULL;
62	<	net_stats_ptr++;
63	<	}
64	<	return net_stats;
97	>	network_stat_init(*cur_entries, needed_entries, net_stats);
98	>	*cur_entries=needed_entries;
99		}
100
101		return net_stats;
102		}
103
104	+
105		network_stat_t *get_network_stats(int *entries){
106	+
107	+	static int sizeof_network_stats=0;
108	+	network_stat_t *network_stat_ptr;
109	+
110	+	#ifdef SOLARIS
111		kstat_ctl_t *kc;
112		kstat_t *ksp;
113		kstat_named_t *knp;
114	+	#endif
115	+
116	+	#ifdef LINUX
117	+	FILE *f;
118	+	/* Horrible big enough, but it should be easily big enough */
119	+	char line[8096];
120	+	regex_t regex;
121	+	regmatch_t line_match[4];
122	+	#endif
123	+	#ifdef ALLBSD
124	+	struct ifaddrs *net, *net_ptr;
125	+	struct if_data *net_data;
126	+	#endif
127	+
128	+	#ifdef ALLBSD
129	+	if(getifaddrs(&net) != 0){
130	+	return NULL;
131	+	}
132	+
133	+	interfaces=0;
134
135	<	int interfaces=0;
136	<	network_stat_t *network_stat_ptr;
137	<	static network_stat_t *network_stats=NULL;
138	<	static int watermark=-1;
135	>	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
136	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
137	>	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
138	>	if(network_stats==NULL){
139	>	return NULL;
140	>	}
141	>	network_stat_ptr=network_stats+interfaces;
142	>
143	>	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
144	>	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
145	>	if(network_stat_ptr->interface_name==NULL) return NULL;
146	>	net_data=(struct if_data *)net_ptr->ifa_data;
147	>	network_stat_ptr->rx=net_data->ifi_ibytes;
148	>	network_stat_ptr->tx=net_data->ifi_obytes;
149	>	network_stat_ptr->systime=time(NULL);
150	>	interfaces++;
151	>	}
152	>	freeifaddrs(net);
153	>	#endif
154
155	+	#ifdef SOLARIS
156		if ((kc = kstat_open()) == NULL) {
157		return NULL;
158		}
159
160	+	interfaces=0;
161	+
162		for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
163		if (!strcmp(ksp->ks_class, "net")) {
164		kstat_read(kc, ksp, NULL);
165
166	<	if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){
166	>	#ifdef SOL7
167	>	#define RLOOKUP "rbytes"
168	>	#define WLOOKUP "obytes"
169	>	#define VALTYPE value.ui32
170	>	#else
171	>	#define RLOOKUP "rbytes64"
172	>	#define WLOOKUP "obytes64"
173	>	#define VALTYPE value.ui64
174	>	#endif
175	>
176	>	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
177		/* Not a network interface, so skip to the next entry */
178		continue;
179		}
180	<	network_stats=network_stat_init(interfaces, &watermark, network_stats);
180	>
181	>	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
182		if(network_stats==NULL){
183		return NULL;
184		}
185		network_stat_ptr=network_stats+interfaces;
186	<	network_stat_ptr->rx=knp->value.ui64;
186	>	network_stat_ptr->rx=knp->VALTYPE;
187
188	<	if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){
188	>	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
189		/* Not a network interface, so skip to the next entry */
190		continue;
191		}
192	<	network_stat_ptr->tx=knp->value.ui64;
192	>	network_stat_ptr->tx=knp->VALTYPE;
193		if(network_stat_ptr->interface_name!=NULL){
194		free(network_stat_ptr->interface_name);
195		}
196		network_stat_ptr->interface_name=strdup(ksp->ks_name);
197	+
198	+	network_stat_ptr->systime=time(NULL);
199		interfaces++;
200		}
201		}
202	<
202	>
203	>	kstat_close(kc);
204	>	#endif
205	>	#ifdef LINUX
206	>	f=fopen("/proc/net/dev", "r");
207	>	if(f==NULL){
208	>	return NULL;
209	>	}
210	>	/* read the 2 lines.. Its the title, so we dont care :) */
211	>	fgets(line, sizeof(line), f);
212	>	fgets(line, sizeof(line), f);
213
214	+
215	+	if((regcomp(&regex, "^[[:space:]]*([^:]+):[[:space:]]*([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)", REG_EXTENDED))!=0){
216	+	return NULL;
217	+	}
218	+
219	+	interfaces=0;
220	+
221	+	while((fgets(line, sizeof(line), f)) != NULL){
222	+	if((regexec(&regex, line, 4, line_match, 0))!=0){
223	+	continue;
224	+	}
225	+	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
226	+	if(network_stats==NULL){
227	+	return NULL;
228	+	}
229	+	network_stat_ptr=network_stats+interfaces;
230	+
231	+	if(network_stat_ptr->interface_name!=NULL){
232	+	free(network_stat_ptr->interface_name);
233	+	}
234	+
235	+	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
236	+	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
237	+	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
238	+	network_stat_ptr->systime=time(NULL);
239	+
240	+	interfaces++;
241	+	}
242	+	fclose(f);
243	+	regfree(&regex);
244	+
245	+	#endif
246	+
247	+	#ifdef CYGWIN
248	+	return NULL;
249	+	#endif
250	+
251		*entries=interfaces;
252
253		return network_stats;
254	+	}
255
256	+	long long transfer_diff(long long new, long long old){
257	+	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD)
258	+	#define MAXVAL 4294967296LL
259	+	#else
260	+	#define MAXVAL 18446744073709551616LL
261	+	#endif
262	+	long long result;
263	+	if(new>=old){
264	+	result = (new-old);
265	+	}else{
266	+	result = (MAXVAL+(new-old));
267	+	}
268	+
269	+	return result;
270	+
271	+	}
272	+
273	+	network_stat_t *get_network_stats_diff(int *entries) {
274	+	static network_stat_t *diff = NULL;
275	+	static int diff_count = 0;
276	+	network_stat_t *src, *dest;
277	+	int i, j, new_count;
278	+
279	+	if (network_stats == NULL) {
280	+	/* No previous stats, so we can't calculate a difference. */
281	+	return get_network_stats(entries);
282	+	}
283	+
284	+	/* Resize the results array to match the previous stats. */
285	+	diff = network_stat_malloc(interfaces, &diff_count, diff);
286	+	if (diff == NULL) {
287	+	return NULL;
288	+	}
289	+
290	+	/* Copy the previous stats into the result. */
291	+	for (i = 0; i < diff_count; i++) {
292	+	src = &network_stats[i];
293	+	dest = &diff[i];
294	+
295	+	if (dest->interface_name != NULL) {
296	+	free(dest->interface_name);
297	+	}
298	+	dest->interface_name = strdup(src->interface_name);
299	+	dest->rx = src->rx;
300	+	dest->tx = src->tx;
301	+	dest->systime = src->systime;
302	+	}
303	+
304	+	/* Get a new set of stats. */
305	+	if (get_network_stats(&new_count) == NULL) {
306	+	return NULL;
307	+	}
308	+
309	+	/* For each previous stat... */
310	+	for (i = 0; i < diff_count; i++) {
311	+	dest = &diff[i];
312	+
313	+	/* ... find the corresponding new stat ... */
314	+	for (j = 0; j < new_count; j++) {
315	+	/* Try the new stat in the same position first,
316	+	since that's most likely to be it. */
317	+	src = &network_stats[(i + j) % new_count];
318	+	if (strcmp(src->interface_name, dest->interface_name) == 0) {
319	+	break;
320	+	}
321	+	}
322	+	if (j == new_count) {
323	+	/* No match found. */
324	+	continue;
325	+	}
326	+
327	+	/* ... and subtract the previous stat from it to get the
328	+	difference. */
329	+	dest->rx = transfer_diff(src->rx, dest->rx);
330	+	dest->tx = transfer_diff(src->tx, dest->tx);
331	+	dest->systime = src->systime - dest->systime;
332	+	}
333	+
334	+	*entries = diff_count;
335	+	return diff;
336	+	}
337	+	/* NETWORK INTERFACE STATS */
338	+
339	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
340	+
341	+	for(net_stats+=start; start<end; start++){
342	+	net_stats->interface_name=NULL;
343	+	net_stats->speed=0;
344	+	net_stats->dup=UNKNOWN_DUPLEX;
345	+	net_stats++;
346	+	}
347	+	}
348	+
349	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
350	+
351	+	if(net_stats==NULL){
352	+
353	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
354	+	return NULL;
355	+	}
356	+	network_iface_stat_init(0, needed_entries, net_stats);
357	+	*cur_entries=needed_entries;
358	+
359	+	return net_stats;
360	+	}
361	+
362	+
363	+	if(*cur_entries<needed_entries){
364	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
365	+	if(net_stats==NULL){
366	+	return NULL;
367	+	}
368	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
369	+	*cur_entries=needed_entries;
370	+	}
371	+
372	+	return net_stats;
373	+	}
374	+
375	+	network_iface_stat_t *get_network_iface_stats(int *entries){
376	+	static network_iface_stat_t *network_iface_stats;
377	+	network_iface_stat_t *network_iface_stat_ptr;
378	+	static int sizeof_network_iface_stats=0;
379	+	static int ifaces;
380	+
381	+	#ifdef SOLARIS
382	+	kstat_ctl_t *kc;
383	+	kstat_t *ksp;
384	+	kstat_named_t *knp;
385	+	#endif
386	+	#ifdef ALLBSD
387	+	struct ifaddrs *net, *net_ptr;
388	+	struct ifmediareq ifmed;
389	+	struct ifreq ifr;
390	+	int sock;
391	+	int x;
392	+	#endif
393	+	#ifdef LINUX
394	+	FILE *f;
395	+	/* Horrible big enough, but it should be easily big enough */
396	+	char line[8096];
397	+	int sock;
398	+	#endif
399	+	ifaces = 0;
400	+	#ifdef ALLBSD
401	+	if(getifaddrs(&net) != 0){
402	+	return NULL;
403	+	}
404	+
405	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
406	+
407	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
408	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
409	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
410	+	if(network_iface_stats==NULL){
411	+	return NULL;
412	+	}
413	+	network_iface_stat_ptr = network_iface_stats + ifaces;
414	+
415	+	memset(&ifr, 0, sizeof(ifr));
416	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
417	+
418	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
419	+	continue;
420	+	}
421	+	if((ifr.ifr_flags & IFF_UP) != 0){
422	+	network_iface_stat_ptr->up = 1;
423	+	}else{
424	+	network_iface_stat_ptr->up = 0;
425	+	}
426	+
427	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
428	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
429	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
430	+
431	+	network_iface_stat_ptr->speed = 0;
432	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
433	+	ifaces++;
434	+
435	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
436	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
437	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
438	+	/* Not all interfaces support the media ioctls. */
439	+	continue;
440	+	}
441	+
442	+	/* We may need to change this if we start doing wireless devices too */
443	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
444	+	/* Not a ETHER device */
445	+	continue;
446	+	}
447	+
448	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
449	+	x = ifmed.ifm_active & 0x0f;
450	+	switch(x){
451	+	/* 10 Mbit connections. Speedy :) */
452	+	case(IFM_10_T):
453	+	case(IFM_10_2):
454	+	case(IFM_10_5):
455	+	case(IFM_10_STP):
456	+	case(IFM_10_FL):
457	+	network_iface_stat_ptr->speed = 10;
458	+	break;
459	+	/* 100 Mbit conneections */
460	+	case(IFM_100_TX):
461	+	case(IFM_100_FX):
462	+	case(IFM_100_T4):
463	+	case(IFM_100_VG):
464	+	case(IFM_100_T2):
465	+	network_iface_stat_ptr->speed = 100;
466	+	break;
467	+	/* 1000 Mbit connections */
468	+	case(IFM_1000_SX):
469	+	case(IFM_1000_LX):
470	+	case(IFM_1000_CX):
471	+	#if defined(FREEBSD) && !defined(FREEBSD5)
472	+	case(IFM_1000_TX):
473	+	case(IFM_1000_FX):
474	+	#else
475	+	case(IFM_1000_T):
476	+	#endif
477	+	network_iface_stat_ptr->speed = 1000;
478	+	break;
479	+	/* We don't know what it is */
480	+	default:
481	+	network_iface_stat_ptr->speed = 0;
482	+	break;
483	+	}
484	+
485	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
486	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
487	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
488	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
489	+	}else{
490	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
491	+	}
492	+
493	+	}
494	+	freeifaddrs(net);
495	+	close(sock);
496	+	#endif
497	+
498	+	#ifdef SOLARIS
499	+	if ((kc = kstat_open()) == NULL) {
500	+	return NULL;
501	+	}
502	+
503	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
504	+	if (!strcmp(ksp->ks_class, "net")) {
505	+	kstat_read(kc, ksp, NULL);
506	+	if((knp=kstat_data_lookup(ksp, "ifspeed"))==NULL){
507	+	/* Not a network interface, so skip to the next entry */
508	+	continue;
509	+	}
510	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
511	+	if(network_iface_stats==NULL){
512	+	return NULL;
513	+	}
514	+	network_iface_stat_ptr = network_iface_stats + ifaces;
515	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000*1000);
516	+
517	+	if((knp=kstat_data_lookup(ksp, "link_up"))==NULL){
518	+	/* Not a network interface, so skip to the next entry */
519	+	continue;
520	+	}
521	+	/* Solaris has 1 for up, and 0 for not. As we do too */
522	+	network_iface_stat_ptr->up = knp->value.ui32;
523	+
524	+	if((knp=kstat_data_lookup(ksp, "link_duplex"))==NULL){
525	+	/* Not a network interface, so skip to the next entry */
526	+	continue;
527	+	}
528	+
529	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
530	+	if(knp->value.ui32 == 2){
531	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
532	+	}
533	+	if(knp->value.ui32 == 1){
534	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
535	+	}
536	+
537	+	if(network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
538	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
539	+	if(network_iface_stat_ptr->interface_name == NULL) return NULL;
540	+	ifaces++;
541	+	}
542	+	}
543	+	kstat_close(kc);
544	+
545	+	#endif
546	+	#ifdef LINUX
547	+	f = fopen("/proc/net/dev", "r");
548	+	if(f == NULL){
549	+	return NULL;
550	+	}
551	+
552	+	/* Setup stuff so we can do the ioctl to get the info */
553	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
554	+	return NULL;
555	+	}
556	+
557	+	/* Ignore first 2 lines.. Just headings */
558	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
559	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
560	+
561	+	while((fgets(line, sizeof(line), f)) != NULL){
562	+	char *name, *ptr;
563	+	struct ifreq ifr;
564	+	struct ethtool_cmd ethcmd;
565	+	int err;
566	+
567	+	/* Get the interface name */
568	+	ptr = strchr(line, ':');
569	+	if (ptr == NULL) continue;
570	+	*ptr='\0';
571	+	name = line;
572	+	while(isspace(*(name))){
573	+	name++;
574	+	}
575	+
576	+	memset(&ifr, 0, sizeof ifr);
577	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
578	+
579	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
580	+	continue;
581	+	}
582	+
583	+	/* We have a good interface to add */
584	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
585	+	if(network_iface_stats==NULL){
586	+	return NULL;
587	+	}
588	+	network_iface_stat_ptr = network_iface_stats + ifaces;
589	+	network_iface_stat_ptr->interface_name = strdup(name);
590	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
591	+	network_iface_stat_ptr->up = 1;
592	+	} else {
593	+	network_iface_stat_ptr->up = 0;
594	+	}
595	+
596	+	memset(&ethcmd, 0, sizeof ethcmd);
597	+	ethcmd.cmd = ETHTOOL_GSET;
598	+	ifr.ifr_data = (caddr_t) &ethcmd;
599	+
600	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
601	+	if (err == 0) {
602	+	network_iface_stat_ptr->speed = ethcmd.speed;
603	+
604	+	switch (ethcmd.duplex) {
605	+	case 0x00:
606	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
607	+	break;
608	+	case 0x01:
609	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
610	+	break;
611	+	default:
612	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
613	+	}
614	+	} else {
615	+	/* Not all interfaces support the ethtool ioctl. */
616	+	network_iface_stat_ptr->speed = 0;
617	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
618	+	}
619	+
620	+	ifaces++;
621	+	}
622	+	close(sock);
623	+	fclose(f);
624	+	#endif
625	+	*entries = ifaces;
626	+	return network_iface_stats;
627		}
628

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