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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 1.64 by tdb, Tue Apr 6 14:52:58 2004 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
1	>	/*
2	>	* i-scream libstatgrab
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 "vector.h"
32	+	#include "tools.h"
33	+	#include <time.h>
34		#ifdef SOLARIS
35		#include <kstat.h>
36		#include <sys/sysinfo.h>
37	<	#include <string.h>
37	>	#include <sys/types.h>
38	>	#include <sys/socket.h>
39	>	#include <sys/ioctl.h>
40	>	#include <net/if.h>
41	>	#include <netinet/in.h>
42	>	#include <sys/sockio.h>
43	>	#include <unistd.h>
44		#endif
45	+	#ifdef LINUX
46	+	#include <stdio.h>
47	+	#include <sys/types.h>
48	+	#include <regex.h>
49	+	#include <sys/ioctl.h>
50	+	#include <sys/socket.h>
51	+	#include <net/if.h>
52	+	#include <ctype.h>
53	+	/* Stuff which could be defined by defining KERNEL, but
54	+	* that would be a bad idea, so we'll just declare it here
55	+	*/
56	+	typedef __uint8_t u8;
57	+	typedef __uint16_t u16;
58	+	typedef __uint32_t u32;
59	+	typedef __uint64_t u64;
60	+	#include <linux/ethtool.h>
61	+	#include <linux/sockios.h>
62	+	#include <unistd.h>
63	+	#endif
64	+	#ifdef ALLBSD
65	+	#include <sys/types.h>
66	+	#include <sys/socket.h>
67	+	#include <ifaddrs.h>
68	+	#include <net/if.h>
69	+	#include <net/if_media.h>
70	+	#include <sys/ioctl.h>
71	+	#include <unistd.h>
72	+	#endif
73
74	<	#define START_VAL 1
74	>	static void network_stat_init(sg_network_io_stats *s) {
75	>	s->interface_name = NULL;
76	>	s->tx = 0;
77	>	s->rx = 0;
78	>	s->ipackets = 0;
79	>	s->opackets = 0;
80	>	s->ierrors = 0;
81	>	s->oerrors = 0;
82	>	s->collisions = 0;
83	>	}
84
85	<	network_stat_t *network_stat_init(int num_iface, int *wmark, network_stat_t *net_stats){
86	<	int x;
87	<	network_stat_t *net_stats_ptr;
85	>	static void network_stat_destroy(sg_network_io_stats *s) {
86	>	free(s->interface_name);
87	>	}
88
89	<	if(*wmark==-1){
90	<	printf("new malloc\n");
42	<	if((net_stats=malloc(START_VAL * sizeof(network_stat_t)))==NULL){
43	<	return NULL;
44	<	}
45	<	*wmark=START_VAL;
46	<	net_stats_ptr=net_stats;
47	<	for(x=0;x<(*wmark);x++){
48	<	net_stats_ptr->interface_name=NULL;
49	<	net_stats_ptr++;
50	<	}
51	<	return net_stats;
52	<	}
53	<	if(num_iface>(*wmark-1)){
54	<	if((net_stats=realloc(net_stats, (*wmark)*2 * sizeof(network_stat_t)))==NULL){
55	<	return NULL;
56	<	}
89	>	VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5,
90	>	network_stat_init, network_stat_destroy);
91
92	<	*wmark=(*wmark)*2;
93	<	net_stats_ptr=net_stats+num_iface;
94	<	for(x=num_iface;x<(*wmark);x++){
61	<	net_stats_ptr->interface_name=NULL;
62	<	net_stats_ptr++;
63	<	}
64	<	return net_stats;
65	<	}
92	>	sg_network_io_stats *sg_get_network_io_stats(int *entries){
93	>	int interfaces;
94	>	sg_network_io_stats *network_stat_ptr;
95
96	<	return net_stats;
68	<	}
69	<
70	<	network_stat_t *get_network_stats(int *entries){
96	>	#ifdef SOLARIS
97		kstat_ctl_t *kc;
98		kstat_t *ksp;
99		kstat_named_t *knp;
100	+	#endif
101	+
102	+	#ifdef LINUX
103	+	FILE *f;
104	+	/* Horrible big enough, but it should be easily big enough */
105	+	char line[8096];
106	+	regex_t regex;
107	+	regmatch_t line_match[9];
108	+	#endif
109	+	#ifdef ALLBSD
110	+	struct ifaddrs *net, *net_ptr;
111	+	struct if_data *net_data;
112	+	#endif
113	+
114	+	#ifdef ALLBSD
115	+	if(getifaddrs(&net) != 0){
116	+	return NULL;
117	+	}
118	+
119	+	interfaces=0;
120
121	<	int interfaces=0;
122	<	network_stat_t *network_stat_ptr;
77	<	static network_stat_t *network_stats=NULL;
78	<	static int watermark=-1;
121	>	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
122	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
123
124	+	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
125	+	return NULL;
126	+	}
127	+	network_stat_ptr=network_stats+interfaces;
128	+
129	+	if (sg_update_string(&network_stat_ptr->interface_name,
130	+	net_ptr->ifa_name) < 0) {
131	+	return NULL;
132	+	}
133	+	net_data=(struct if_data *)net_ptr->ifa_data;
134	+	network_stat_ptr->rx=net_data->ifi_ibytes;
135	+	network_stat_ptr->tx=net_data->ifi_obytes;
136	+	network_stat_ptr->ipackets=net_data->ifi_ipackets;
137	+	network_stat_ptr->opackets=net_data->ifi_opackets;
138	+	network_stat_ptr->ierrors=net_data->ifi_ierrors;
139	+	network_stat_ptr->oerrors=net_data->ifi_oerrors;
140	+	network_stat_ptr->collisions=net_data->ifi_collisions;
141	+	network_stat_ptr->systime=time(NULL);
142	+	interfaces++;
143	+	}
144	+	freeifaddrs(net);
145	+	#endif
146	+
147	+	#ifdef SOLARIS
148		if ((kc = kstat_open()) == NULL) {
149		return NULL;
150		}
151
152	+	interfaces=0;
153	+
154		for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
155		if (!strcmp(ksp->ks_class, "net")) {
156		kstat_read(kc, ksp, NULL);
157
158	<	if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){
159	<	/* Not a network interface, so skip to the next entry */
158	>	#ifdef SOL7
159	>	#define LRX "rbytes"
160	>	#define LTX "obytes"
161	>	#define LIPACKETS "ipackets"
162	>	#define LOPACKETS "opackets"
163	>	#define VALTYPE value.ui32
164	>	#else
165	>	#define LRX "rbytes64"
166	>	#define LTX "obytes64"
167	>	#define LIPACKETS "ipackets64"
168	>	#define LOPACKETS "opackets64"
169	>	#define VALTYPE value.ui64
170	>	#endif
171	>
172	>	/* Read rx */
173	>	if((knp=kstat_data_lookup(ksp, LRX))==NULL){
174	>	/* This is a network interface, but it doesn't
175	>	* have the rbytes/obytes values; for instance,
176	>	* the loopback devices have this behaviour
177	>	* (although they do track packets in/out). */
178	>	/* FIXME: Show packet counts when byte counts
179	>	* not available. */
180		continue;
181		}
182	<	network_stats=network_stat_init(interfaces, &watermark, network_stats);
183	<	if(network_stats==NULL){
182	>
183	>	/* Create new network_stats */
184	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
185		return NULL;
186		}
187		network_stat_ptr=network_stats+interfaces;
97	–	network_stat_ptr->rx=knp->value.ui64;
188
189	<	if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){
190	<	/* Not a network interface, so skip to the next entry */
189	>	/* Finish reading rx */
190	>	network_stat_ptr->rx=knp->VALTYPE;
191	>
192	>	/* Read tx */
193	>	if((knp=kstat_data_lookup(ksp, LTX))==NULL){
194		continue;
195		}
196	<	network_stat_ptr->tx=knp->value.ui64;
197	<	if(network_stat_ptr->interface_name!=NULL){
198	<	free(network_stat_ptr->interface_name);
196	>	network_stat_ptr->tx=knp->VALTYPE;
197	>
198	>	/* Read ipackets */
199	>	if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
200	>	continue;
201		}
202	<	network_stat_ptr->interface_name=strdup(ksp->ks_name);
202	>	network_stat_ptr->ipackets=knp->VALTYPE;
203	>
204	>	/* Read opackets */
205	>	if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
206	>	continue;
207	>	}
208	>	network_stat_ptr->opackets=knp->VALTYPE;
209	>
210	>	/* Read ierrors */
211	>	if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
212	>	continue;
213	>	}
214	>	network_stat_ptr->ierrors=knp->value.ui32;
215	>
216	>	/* Read oerrors */
217	>	if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
218	>	continue;
219	>	}
220	>	network_stat_ptr->oerrors=knp->value.ui32;
221	>
222	>	/* Read collisions */
223	>	if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
224	>	continue;
225	>	}
226	>	network_stat_ptr->collisions=knp->value.ui32;
227	>
228	>	/* Read interface name */
229	>	if (sg_update_string(&network_stat_ptr->interface_name,
230	>	ksp->ks_name) < 0) {
231	>	return NULL;
232	>	}
233	>
234	>	/* Store systime */
235	>	network_stat_ptr->systime=time(NULL);
236	>
237		interfaces++;
238		}
239		}
240	<
240	>
241	>	kstat_close(kc);
242	>	#endif
243	>	#ifdef LINUX
244	>	f=fopen("/proc/net/dev", "r");
245	>	if(f==NULL){
246	>	return NULL;
247	>	}
248	>	/* read the 2 lines.. Its the title, so we dont care :) */
249	>	fgets(line, sizeof(line), f);
250	>	fgets(line, sizeof(line), f);
251
252	+
253	+	if((regcomp(&regex, "^ *([^:]+): *([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){
254	+	return NULL;
255	+	}
256	+
257	+	interfaces=0;
258	+
259	+	while((fgets(line, sizeof(line), f)) != NULL){
260	+	if((regexec(&regex, line, 9, line_match, 0))!=0){
261	+	continue;
262	+	}
263	+
264	+	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
265	+	return NULL;
266	+	}
267	+	network_stat_ptr=network_stats+interfaces;
268	+
269	+	if(network_stat_ptr->interface_name!=NULL){
270	+	free(network_stat_ptr->interface_name);
271	+	}
272	+
273	+	network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]);
274	+	network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
275	+	network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
276	+	network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
277	+	network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
278	+	network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
279	+	network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
280	+	network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
281	+	network_stat_ptr->systime=time(NULL);
282	+
283	+	interfaces++;
284	+	}
285	+	fclose(f);
286	+	regfree(&regex);
287	+
288	+	#endif
289	+
290	+	#ifdef CYGWIN
291	+	return NULL;
292	+	#endif
293	+
294		*entries=interfaces;
295
296		return network_stats;
297	+	}
298
299	+	static long long transfer_diff(long long new, long long old){
300	+	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
301	+	/* 32-bit quantities, so we must explicitly deal with wraparound. */
302	+	#define MAXVAL 0x100000000LL
303	+	if (new >= old) {
304	+	return new - old;
305	+	} else {
306	+	return MAXVAL + new - old;
307	+	}
308	+	#else
309	+	/* 64-bit quantities, so plain subtraction works. */
310	+	return new - old;
311	+	#endif
312	+	}
313	+
314	+	sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) {
315	+	VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
316	+	network_stat_init, network_stat_destroy);
317	+	sg_network_io_stats *src = NULL, *dest;
318	+	int i, j, diff_count, new_count;
319	+
320	+	if (network_stats == NULL) {
321	+	/* No previous stats, so we can't calculate a difference. */
322	+	return sg_get_network_io_stats(entries);
323	+	}
324	+
325	+	/* Resize the results array to match the previous stats. */
326	+	diff_count = VECTOR_SIZE(network_stats);
327	+	if (VECTOR_RESIZE(diff, diff_count) < 0) {
328	+	return NULL;
329	+	}
330	+
331	+	/* Copy the previous stats into the result. */
332	+	for (i = 0; i < diff_count; i++) {
333	+	src = &network_stats[i];
334	+	dest = &diff[i];
335	+
336	+	if (sg_update_string(&dest->interface_name,
337	+	src->interface_name) < 0) {
338	+	return NULL;
339	+	}
340	+	dest->rx = src->rx;
341	+	dest->tx = src->tx;
342	+	dest->ipackets = src->ipackets;
343	+	dest->opackets = src->opackets;
344	+	dest->ierrors = src->ierrors;
345	+	dest->oerrors = src->oerrors;
346	+	dest->collisions = src->collisions;
347	+	dest->systime = src->systime;
348	+	}
349	+
350	+	/* Get a new set of stats. */
351	+	if (sg_get_network_io_stats(&new_count) == NULL) {
352	+	return NULL;
353	+	}
354	+
355	+	/* For each previous stat... */
356	+	for (i = 0; i < diff_count; i++) {
357	+	dest = &diff[i];
358	+
359	+	/* ... find the corresponding new stat ... */
360	+	for (j = 0; j < new_count; j++) {
361	+	/* Try the new stat in the same position first,
362	+	since that's most likely to be it. */
363	+	src = &network_stats[(i + j) % new_count];
364	+	if (strcmp(src->interface_name, dest->interface_name) == 0) {
365	+	break;
366	+	}
367	+	}
368	+	if (j == new_count) {
369	+	/* No match found. */
370	+	continue;
371	+	}
372	+
373	+	/* ... and subtract the previous stat from it to get the
374	+	difference. */
375	+	dest->rx = transfer_diff(src->rx, dest->rx);
376	+	dest->tx = transfer_diff(src->tx, dest->tx);
377	+	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
378	+	dest->opackets = transfer_diff(src->opackets, dest->opackets);
379	+	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
380	+	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
381	+	dest->collisions = transfer_diff(src->collisions, dest->collisions);
382	+	dest->systime = src->systime - dest->systime;
383	+	}
384	+
385	+	*entries = diff_count;
386	+	return diff;
387	+	}
388	+
389	+	/* NETWORK INTERFACE STATS */
390	+
391	+	static void network_iface_stat_init(sg_network_iface_stats *s) {
392	+	s->interface_name = NULL;
393	+	s->speed = 0;
394	+	s->dup = SG_IFACE_DUPLEX_UNKNOWN;
395	+	}
396	+
397	+	static void network_iface_stat_destroy(sg_network_iface_stats *s) {
398	+	free(s->interface_name);
399	+	}
400	+
401	+	sg_network_iface_stats *sg_get_network_iface_stats(int *entries){
402	+	VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
403	+	network_iface_stat_init, network_iface_stat_destroy);
404	+	sg_network_iface_stats *network_iface_stat_ptr;
405	+	int ifaces = 0;
406	+
407	+	#ifdef SOLARIS
408	+	kstat_ctl_t *kc;
409	+	kstat_t *ksp;
410	+	kstat_named_t *knp;
411	+	int sock;
412	+	#endif
413	+	#ifdef ALLBSD
414	+	struct ifaddrs *net, *net_ptr;
415	+	struct ifmediareq ifmed;
416	+	struct ifreq ifr;
417	+	int sock;
418	+	int x;
419	+	#endif
420	+	#ifdef LINUX
421	+	FILE *f;
422	+	/* Horrible big enough, but it should be easily big enough */
423	+	char line[8096];
424	+	int sock;
425	+	#endif
426	+
427	+	#ifdef ALLBSD
428	+	if(getifaddrs(&net) != 0){
429	+	return NULL;
430	+	}
431	+
432	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
433	+
434	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
435	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
436	+
437	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
438	+	return NULL;
439	+	}
440	+	network_iface_stat_ptr = network_iface_stats + ifaces;
441	+
442	+	memset(&ifr, 0, sizeof(ifr));
443	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
444	+
445	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
446	+	continue;
447	+	}
448	+	if((ifr.ifr_flags & IFF_UP) != 0){
449	+	network_iface_stat_ptr->up = 1;
450	+	}else{
451	+	network_iface_stat_ptr->up = 0;
452	+	}
453	+
454	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
455	+	net_ptr->ifa_name) < 0) {
456	+	return NULL;
457	+	}
458	+
459	+	network_iface_stat_ptr->speed = 0;
460	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
461	+	ifaces++;
462	+
463	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
464	+	sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
465	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
466	+	/* Not all interfaces support the media ioctls. */
467	+	continue;
468	+	}
469	+
470	+	/* We may need to change this if we start doing wireless devices too */
471	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
472	+	/* Not a ETHER device */
473	+	continue;
474	+	}
475	+
476	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
477	+	x = ifmed.ifm_active & 0x0f;
478	+	switch(x){
479	+	/* 10 Mbit connections. Speedy :) */
480	+	case(IFM_10_T):
481	+	case(IFM_10_2):
482	+	case(IFM_10_5):
483	+	case(IFM_10_STP):
484	+	case(IFM_10_FL):
485	+	network_iface_stat_ptr->speed = 10;
486	+	break;
487	+	/* 100 Mbit conneections */
488	+	case(IFM_100_TX):
489	+	case(IFM_100_FX):
490	+	case(IFM_100_T4):
491	+	case(IFM_100_VG):
492	+	case(IFM_100_T2):
493	+	network_iface_stat_ptr->speed = 100;
494	+	break;
495	+	/* 1000 Mbit connections */
496	+	case(IFM_1000_SX):
497	+	case(IFM_1000_LX):
498	+	case(IFM_1000_CX):
499	+	#if defined(IFM_1000_TX) && !defined(OPENBSD)
500	+	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
501	+	#endif
502	+	#ifdef IFM_1000_FX
503	+	case(IFM_1000_FX): /* FreeBSD 4 */
504	+	#endif
505	+	#ifdef IFM_1000_T
506	+	case(IFM_1000_T): /* FreeBSD 5 */
507	+	#endif
508	+	network_iface_stat_ptr->speed = 1000;
509	+	break;
510	+	/* We don't know what it is */
511	+	default:
512	+	network_iface_stat_ptr->speed = 0;
513	+	break;
514	+	}
515	+
516	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
517	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
518	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
519	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
520	+	}else{
521	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
522	+	}
523	+
524	+	}
525	+	freeifaddrs(net);
526	+	close(sock);
527	+	#endif
528	+
529	+	#ifdef SOLARIS
530	+	if ((kc = kstat_open()) == NULL) {
531	+	return NULL;
532	+	}
533	+
534	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
535	+	return NULL;
536	+	}
537	+
538	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
539	+	if (!strcmp(ksp->ks_class, "net")) {
540	+	struct ifreq ifr;
541	+
542	+	kstat_read(kc, ksp, NULL);
543	+
544	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
545	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
546	+	/* Not a network interface. */
547	+	continue;
548	+	}
549	+
550	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
551	+	return NULL;
552	+	}
553	+	network_iface_stat_ptr = network_iface_stats + ifaces;
554	+	ifaces++;
555	+
556	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
557	+	ksp->ks_name) < 0) {
558	+	return NULL;
559	+	}
560	+
561	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
562	+	network_iface_stat_ptr->up = 1;
563	+	} else {
564	+	network_iface_stat_ptr->up = 1;
565	+	}
566	+
567	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
568	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
569	+	} else {
570	+	network_iface_stat_ptr->speed = 0;
571	+	}
572	+
573	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
574	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
575	+	switch (knp->value.ui32) {
576	+	case 1:
577	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
578	+	break;
579	+	case 2:
580	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
581	+	break;
582	+	}
583	+	}
584	+	}
585	+	}
586	+
587	+	close(sock);
588	+	kstat_close(kc);
589	+	#endif
590	+	#ifdef LINUX
591	+	f = fopen("/proc/net/dev", "r");
592	+	if(f == NULL){
593	+	return NULL;
594	+	}
595	+
596	+	/* Setup stuff so we can do the ioctl to get the info */
597	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
598	+	return NULL;
599	+	}
600	+
601	+	/* Ignore first 2 lines.. Just headings */
602	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
603	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
604	+
605	+	while((fgets(line, sizeof(line), f)) != NULL){
606	+	char *name, *ptr;
607	+	struct ifreq ifr;
608	+	struct ethtool_cmd ethcmd;
609	+	int err;
610	+
611	+	/* Get the interface name */
612	+	ptr = strchr(line, ':');
613	+	if (ptr == NULL) continue;
614	+	*ptr='\0';
615	+	name = line;
616	+	while(isspace(*(name))){
617	+	name++;
618	+	}
619	+
620	+	memset(&ifr, 0, sizeof ifr);
621	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
622	+
623	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
624	+	continue;
625	+	}
626	+
627	+	/* We have a good interface to add */
628	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
629	+	return NULL;
630	+	}
631	+	network_iface_stat_ptr = network_iface_stats + ifaces;
632	+
633	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
634	+	name) < 0) {
635	+	return NULL;
636	+	}
637	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
638	+	network_iface_stat_ptr->up = 1;
639	+	} else {
640	+	network_iface_stat_ptr->up = 0;
641	+	}
642	+
643	+	memset(&ethcmd, 0, sizeof ethcmd);
644	+	ethcmd.cmd = ETHTOOL_GSET;
645	+	ifr.ifr_data = (caddr_t) &ethcmd;
646	+
647	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
648	+	if (err == 0) {
649	+	network_iface_stat_ptr->speed = ethcmd.speed;
650	+
651	+	switch (ethcmd.duplex) {
652	+	case 0x00:
653	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
654	+	break;
655	+	case 0x01:
656	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
657	+	break;
658	+	default:
659	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
660	+	}
661	+	} else {
662	+	/* Not all interfaces support the ethtool ioctl. */
663	+	network_iface_stat_ptr->speed = 0;
664	+	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
665	+	}
666	+
667	+	ifaces++;
668	+	}
669	+	close(sock);
670	+	fclose(f);
671	+	#endif
672	+	*entries = ifaces;
673	+	return network_iface_stats;
674		}
675

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