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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 1.2 by pajs, Tue Feb 18 23:23:36 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
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>
35	<	#include <string.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	<	#define START_VAL 1
71	>	static network_stat_t *network_stats=NULL;
72	>	static int interfaces=0;
73
74	<	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;
74	>	void network_stat_init(int start, int end, network_stat_t *net_stats){
75
76	<	if(*wmark==-1){
77	<	printf("new malloc\n");
78	<	if((net_stats=malloc(START_VAL * sizeof(network_stat_t)))==NULL){
76	>	for(net_stats+=start; start<end; start++){
77	>	net_stats->interface_name=NULL;
78	>	net_stats->tx=0;
79	>	net_stats->rx=0;
80	>	net_stats++;
81	>	}
82	>	}
83	>
84	>	network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){
85	>
86	>	if(net_stats==NULL){
87	>
88	>	if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
89		return NULL;
90		}
91	<	*wmark=START_VAL;
92	<	net_stats_ptr=net_stats;
93	<	for(x=0;x<(*wmark);x++){
48	<	net_stats_ptr->interface_name=NULL;
49	<	net_stats_ptr++;
50	<	}
91	>	network_stat_init(0, needed_entries, net_stats);
92	>	*cur_entries=needed_entries;
93	>
94		return net_stats;
95		}
96	<	if(num_iface>(*wmark-1)){
97	<	if((net_stats=realloc(net_stats, (*wmark)*2 * sizeof(network_stat_t)))==NULL){
96	>
97	>
98	>	if(*cur_entries<needed_entries){
99	>	net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
100	>	if(net_stats==NULL){
101		return NULL;
102		}
103	<
104	<	*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;
103	>	network_stat_init(*cur_entries, needed_entries, net_stats);
104	>	*cur_entries=needed_entries;
105		}
106
107		return net_stats;
108		}
109
110	+
111		network_stat_t *get_network_stats(int *entries){
112	+
113	+	static int sizeof_network_stats=0;
114	+	network_stat_t *network_stat_ptr;
115	+
116	+	#ifdef SOLARIS
117		kstat_ctl_t *kc;
118		kstat_t *ksp;
119		kstat_named_t *knp;
120	+	#endif
121	+
122	+	#ifdef LINUX
123	+	FILE *f;
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	<	int interfaces=0;
142	<	network_stat_t *network_stat_ptr;
143	<	static network_stat_t *network_stats=NULL;
144	<	static int watermark=-1;
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;
164		}
165
166	+	interfaces=0;
167	+
168		for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
169		if (!strcmp(ksp->ks_class, "net")) {
170		kstat_read(kc, ksp, NULL);
171
172	<	if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){
173	<	/* Not a network interface, so skip to the next entry */
172	>	#ifdef SOL7
173	>	#define RLOOKUP "rbytes"
174	>	#define WLOOKUP "obytes"
175	>	#define VALTYPE value.ui32
176	>	#else
177	>	#define RLOOKUP "rbytes64"
178	>	#define WLOOKUP "obytes64"
179	>	#define VALTYPE value.ui64
180	>	#endif
181	>
182	>	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
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	<	network_stats=network_stat_init(interfaces, &watermark, network_stats);
189	>
190	>	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
191		if(network_stats==NULL){
192		return NULL;
193		}
194		network_stat_ptr=network_stats+interfaces;
195	<	network_stat_ptr->rx=knp->value.ui64;
195	>	network_stat_ptr->rx=knp->VALTYPE;
196
197	<	if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){
100	<	/* Not a network interface, so skip to the next entry */
197	>	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
198		continue;
199		}
200	<	network_stat_ptr->tx=knp->value.ui64;
200	>	network_stat_ptr->tx=knp->VALTYPE;
201		if(network_stat_ptr->interface_name!=NULL){
202		free(network_stat_ptr->interface_name);
203		}
204		network_stat_ptr->interface_name=strdup(ksp->ks_name);
205	+
206	+	network_stat_ptr->systime=time(NULL);
207		interfaces++;
208		}
209		}
210
211		kstat_close(kc);
212	+	#endif
213	+	#ifdef LINUX
214	+	f=fopen("/proc/net/dev", "r");
215	+	if(f==NULL){
216	+	return NULL;
217	+	}
218	+	/* read the 2 lines.. Its the title, so we dont care :) */
219	+	fgets(line, sizeof(line), f);
220	+	fgets(line, sizeof(line), f);
221
222	+
223	+	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){
224	+	return NULL;
225	+	}
226	+
227	+	interfaces=0;
228	+
229	+	while((fgets(line, sizeof(line), f)) != NULL){
230	+	if((regexec(&regex, line, 4, line_match, 0))!=0){
231	+	continue;
232	+	}
233	+	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
234	+	if(network_stats==NULL){
235	+	return NULL;
236	+	}
237	+	network_stat_ptr=network_stats+interfaces;
238	+
239	+	if(network_stat_ptr->interface_name!=NULL){
240	+	free(network_stat_ptr->interface_name);
241	+	}
242	+
243	+	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
244	+	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
245	+	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
246	+	network_stat_ptr->systime=time(NULL);
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	+	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
266	+	#define MAXVAL 4294967296LL
267	+	#else
268	+	#define MAXVAL 18446744073709551616LL
269	+	#endif
270	+	long long result;
271	+	if(new>=old){
272	+	result = (new-old);
273	+	}else{
274	+	result = (MAXVAL+(new-old));
275	+	}
276	+
277	+	return result;
278	+
279	+	}
280	+
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	+	/* No previous stats, so we can't calculate a difference. */
289	+	return get_network_stats(entries);
290	+	}
291	+
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	+	/* 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	+	if (dest->interface_name != NULL) {
304	+	free(dest->interface_name);
305	+	}
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	+	/* Get a new set of stats. */
313	+	if (get_network_stats(&new_count) == NULL) {
314	+	return NULL;
315	+	}
316	+
317	+	/* For each previous stat... */
318	+	for (i = 0; i < diff_count; i++) {
319	+	dest = &diff[i];
320	+
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	+	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	+	}
565	+	}
566	+	}
567	+
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	+	/* 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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