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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 1.47 by tdb, Sat Mar 6 21:49:13 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->ipackets=0;
81	>	net_stats->opackets=0;
82	>	net_stats->ierrors=0;
83	>	net_stats->oerrors=0;
84	>	net_stats->collisions=0;
85	>	net_stats++;
86	>	}
87	>	}
88	>
89	>	network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){
90	>
91	>	if(net_stats==NULL){
92	>
93	>	if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
94		return NULL;
95		}
96	<	*wmark=START_VAL;
97	<	net_stats_ptr=net_stats;
98	<	for(x=0;x<(*wmark);x++){
48	<	net_stats_ptr->interface_name=NULL;
49	<	net_stats_ptr++;
50	<	}
96	>	network_stat_init(0, needed_entries, net_stats);
97	>	*cur_entries=needed_entries;
98	>
99		return net_stats;
100		}
101	<	if(num_iface>(*wmark-1)){
102	<	if((net_stats=realloc(net_stats, (*wmark)*2 * sizeof(network_stat_t)))==NULL){
101	>
102	>
103	>	if(*cur_entries<needed_entries){
104	>	net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
105	>	if(net_stats==NULL){
106		return NULL;
107		}
108	<
109	<	*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;
108	>	network_stat_init(*cur_entries, needed_entries, net_stats);
109	>	*cur_entries=needed_entries;
110		}
111
112		return net_stats;
113		}
114
115	+
116		network_stat_t *get_network_stats(int *entries){
117	+
118	+	static int sizeof_network_stats=0;
119	+	network_stat_t *network_stat_ptr;
120	+
121	+	#ifdef SOLARIS
122		kstat_ctl_t *kc;
123		kstat_t *ksp;
124		kstat_named_t *knp;
125	+	#endif
126	+
127	+	#ifdef LINUX
128	+	FILE *f;
129	+	/* Horrible big enough, but it should be easily big enough */
130	+	char line[8096];
131	+	regex_t regex;
132	+	regmatch_t line_match[4];
133	+	#endif
134	+	#ifdef ALLBSD
135	+	struct ifaddrs *net, *net_ptr;
136	+	struct if_data *net_data;
137	+	#endif
138	+
139	+	#ifdef ALLBSD
140	+	if(getifaddrs(&net) != 0){
141	+	return NULL;
142	+	}
143	+
144	+	interfaces=0;
145
146	<	int interfaces=0;
147	<	network_stat_t *network_stat_ptr;
148	<	static network_stat_t *network_stats=NULL;
149	<	static int watermark=-1;
146	>	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
147	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
148	>	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
149	>	if(network_stats==NULL){
150	>	return NULL;
151	>	}
152	>	network_stat_ptr=network_stats+interfaces;
153	>
154	>	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
155	>	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
156	>	if(network_stat_ptr->interface_name==NULL) return NULL;
157	>	net_data=(struct if_data *)net_ptr->ifa_data;
158	>	network_stat_ptr->rx=net_data->ifi_ibytes;
159	>	network_stat_ptr->tx=net_data->ifi_obytes;
160	>	network_stat_ptr->ipackets=net_data->ifi_ipackets;
161	>	network_stat_ptr->opackets=net_data->ifi_opackets;
162	>	network_stat_ptr->ierrors=net_data->ifi_ierrors;
163	>	network_stat_ptr->oerrors=net_data->ifi_oerrors;
164	>	network_stat_ptr->collisions=net_data->ifi_collisions;
165	>	network_stat_ptr->systime=time(NULL);
166	>	interfaces++;
167	>	}
168	>	freeifaddrs(net);
169	>	#endif
170
171	+	#ifdef SOLARIS
172		if ((kc = kstat_open()) == NULL) {
173		return NULL;
174		}
175
176	+	interfaces=0;
177	+
178		for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
179		if (!strcmp(ksp->ks_class, "net")) {
180		kstat_read(kc, ksp, NULL);
181
182	<	if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){
183	<	/* Not a network interface, so skip to the next entry */
182	>	#ifdef SOL7
183	>	#define RLOOKUP "rbytes"
184	>	#define WLOOKUP "obytes"
185	>	#define VALTYPE value.ui32
186	>	#else
187	>	#define RLOOKUP "rbytes64"
188	>	#define WLOOKUP "obytes64"
189	>	#define VALTYPE value.ui64
190	>	#endif
191	>
192	>	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
193	>	/* This is a network interface, but it doesn't
194	>	* have the rbytes/obytes values; for instance,
195	>	* the loopback devices have this behaviour
196	>	* (although they do track packets in/out). */
197		continue;
198		}
199	<	network_stats=network_stat_init(interfaces, &watermark, network_stats);
199	>
200	>	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
201		if(network_stats==NULL){
202		return NULL;
203		}
204		network_stat_ptr=network_stats+interfaces;
205	<	network_stat_ptr->rx=knp->value.ui64;
205	>	network_stat_ptr->rx=knp->VALTYPE;
206
207	<	if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){
100	<	/* Not a network interface, so skip to the next entry */
207	>	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
208		continue;
209		}
210	<	network_stat_ptr->tx=knp->value.ui64;
210	>	network_stat_ptr->tx=knp->VALTYPE;
211		if(network_stat_ptr->interface_name!=NULL){
212		free(network_stat_ptr->interface_name);
213		}
214		network_stat_ptr->interface_name=strdup(ksp->ks_name);
215	+
216	+	network_stat_ptr->systime=time(NULL);
217		interfaces++;
218		}
219		}
220
221		kstat_close(kc);
222	+	#endif
223	+	#ifdef LINUX
224	+	f=fopen("/proc/net/dev", "r");
225	+	if(f==NULL){
226	+	return NULL;
227	+	}
228	+	/* read the 2 lines.. Its the title, so we dont care :) */
229	+	fgets(line, sizeof(line), f);
230	+	fgets(line, sizeof(line), f);
231
232	+
233	+	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){
234	+	return NULL;
235	+	}
236	+
237	+	interfaces=0;
238	+
239	+	while((fgets(line, sizeof(line), f)) != NULL){
240	+	if((regexec(&regex, line, 4, line_match, 0))!=0){
241	+	continue;
242	+	}
243	+	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
244	+	if(network_stats==NULL){
245	+	return NULL;
246	+	}
247	+	network_stat_ptr=network_stats+interfaces;
248	+
249	+	if(network_stat_ptr->interface_name!=NULL){
250	+	free(network_stat_ptr->interface_name);
251	+	}
252	+
253	+	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
254	+	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
255	+	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
256	+	network_stat_ptr->systime=time(NULL);
257	+
258	+	interfaces++;
259	+	}
260	+	fclose(f);
261	+	regfree(&regex);
262	+
263	+	#endif
264	+
265	+	#ifdef CYGWIN
266	+	return NULL;
267	+	#endif
268	+
269		*entries=interfaces;
270
271		return network_stats;
272	+	}
273
274	+	long long transfer_diff(long long new, long long old){
275	+	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
276	+	#define MAXVAL 4294967296LL
277	+	#else
278	+	#define MAXVAL 18446744073709551616LL
279	+	#endif
280	+	long long result;
281	+	if(new>=old){
282	+	result = (new-old);
283	+	}else{
284	+	result = (MAXVAL+(new-old));
285	+	}
286	+
287	+	return result;
288	+
289	+	}
290	+
291	+	network_stat_t *get_network_stats_diff(int *entries) {
292	+	static network_stat_t *diff = NULL;
293	+	static int diff_count = 0;
294	+	network_stat_t *src, *dest;
295	+	int i, j, new_count;
296	+
297	+	if (network_stats == NULL) {
298	+	/* No previous stats, so we can't calculate a difference. */
299	+	return get_network_stats(entries);
300	+	}
301	+
302	+	/* Resize the results array to match the previous stats. */
303	+	diff = network_stat_malloc(interfaces, &diff_count, diff);
304	+	if (diff == NULL) {
305	+	return NULL;
306	+	}
307	+
308	+	/* Copy the previous stats into the result. */
309	+	for (i = 0; i < diff_count; i++) {
310	+	src = &network_stats[i];
311	+	dest = &diff[i];
312	+
313	+	if (dest->interface_name != NULL) {
314	+	free(dest->interface_name);
315	+	}
316	+	dest->interface_name = strdup(src->interface_name);
317	+	dest->rx = src->rx;
318	+	dest->tx = src->tx;
319	+	dest->ipackets = src->ipackets;
320	+	dest->opackets = src->opackets;
321	+	dest->ierrors = src->ierrors;
322	+	dest->oerrors = src->oerrors;
323	+	dest->collisions = src->collisions;
324	+	dest->systime = src->systime;
325	+	}
326	+
327	+	/* Get a new set of stats. */
328	+	if (get_network_stats(&new_count) == NULL) {
329	+	return NULL;
330	+	}
331	+
332	+	/* For each previous stat... */
333	+	for (i = 0; i < diff_count; i++) {
334	+	dest = &diff[i];
335	+
336	+	/* ... find the corresponding new stat ... */
337	+	for (j = 0; j < new_count; j++) {
338	+	/* Try the new stat in the same position first,
339	+	since that's most likely to be it. */
340	+	src = &network_stats[(i + j) % new_count];
341	+	if (strcmp(src->interface_name, dest->interface_name) == 0) {
342	+	break;
343	+	}
344	+	}
345	+	if (j == new_count) {
346	+	/* No match found. */
347	+	continue;
348	+	}
349	+
350	+	/* ... and subtract the previous stat from it to get the
351	+	difference. */
352	+	dest->rx = transfer_diff(src->rx, dest->rx);
353	+	dest->tx = transfer_diff(src->tx, dest->tx);
354	+	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
355	+	dest->opackets = transfer_diff(src->opackets, dest->opackets);
356	+	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
357	+	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
358	+	dest->collisions = transfer_diff(src->collisions, dest->collisions);
359	+	dest->systime = src->systime - dest->systime;
360	+	}
361	+
362	+	*entries = diff_count;
363	+	return diff;
364	+	}
365	+	/* NETWORK INTERFACE STATS */
366	+
367	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
368	+
369	+	for(net_stats+=start; start<end; start++){
370	+	net_stats->interface_name=NULL;
371	+	net_stats->speed=0;
372	+	net_stats->dup=UNKNOWN_DUPLEX;
373	+	net_stats++;
374	+	}
375	+	}
376	+
377	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
378	+
379	+	if(net_stats==NULL){
380	+
381	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
382	+	return NULL;
383	+	}
384	+	network_iface_stat_init(0, needed_entries, net_stats);
385	+	*cur_entries=needed_entries;
386	+
387	+	return net_stats;
388	+	}
389	+
390	+
391	+	if(*cur_entries<needed_entries){
392	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
393	+	if(net_stats==NULL){
394	+	return NULL;
395	+	}
396	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
397	+	*cur_entries=needed_entries;
398	+	}
399	+
400	+	return net_stats;
401	+	}
402	+
403	+	network_iface_stat_t *get_network_iface_stats(int *entries){
404	+	static network_iface_stat_t *network_iface_stats;
405	+	network_iface_stat_t *network_iface_stat_ptr;
406	+	static int sizeof_network_iface_stats=0;
407	+	int ifaces = 0;
408	+
409	+	#ifdef SOLARIS
410	+	kstat_ctl_t *kc;
411	+	kstat_t *ksp;
412	+	kstat_named_t *knp;
413	+	int sock;
414	+	#endif
415	+	#ifdef ALLBSD
416	+	struct ifaddrs *net, *net_ptr;
417	+	struct ifmediareq ifmed;
418	+	struct ifreq ifr;
419	+	int sock;
420	+	int x;
421	+	#endif
422	+	#ifdef LINUX
423	+	FILE *f;
424	+	/* Horrible big enough, but it should be easily big enough */
425	+	char line[8096];
426	+	int sock;
427	+	#endif
428	+
429	+	#ifdef ALLBSD
430	+	if(getifaddrs(&net) != 0){
431	+	return NULL;
432	+	}
433	+
434	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
435	+
436	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
437	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
438	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
439	+	if(network_iface_stats==NULL){
440	+	return NULL;
441	+	}
442	+	network_iface_stat_ptr = network_iface_stats + ifaces;
443	+
444	+	memset(&ifr, 0, sizeof(ifr));
445	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
446	+
447	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
448	+	continue;
449	+	}
450	+	if((ifr.ifr_flags & IFF_UP) != 0){
451	+	network_iface_stat_ptr->up = 1;
452	+	}else{
453	+	network_iface_stat_ptr->up = 0;
454	+	}
455	+
456	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
457	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
458	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
459	+
460	+	network_iface_stat_ptr->speed = 0;
461	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
462	+	ifaces++;
463	+
464	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
465	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
466	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
467	+	/* Not all interfaces support the media ioctls. */
468	+	continue;
469	+	}
470	+
471	+	/* We may need to change this if we start doing wireless devices too */
472	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
473	+	/* Not a ETHER device */
474	+	continue;
475	+	}
476	+
477	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
478	+	x = ifmed.ifm_active & 0x0f;
479	+	switch(x){
480	+	/* 10 Mbit connections. Speedy :) */
481	+	case(IFM_10_T):
482	+	case(IFM_10_2):
483	+	case(IFM_10_5):
484	+	case(IFM_10_STP):
485	+	case(IFM_10_FL):
486	+	network_iface_stat_ptr->speed = 10;
487	+	break;
488	+	/* 100 Mbit conneections */
489	+	case(IFM_100_TX):
490	+	case(IFM_100_FX):
491	+	case(IFM_100_T4):
492	+	case(IFM_100_VG):
493	+	case(IFM_100_T2):
494	+	network_iface_stat_ptr->speed = 100;
495	+	break;
496	+	/* 1000 Mbit connections */
497	+	case(IFM_1000_SX):
498	+	case(IFM_1000_LX):
499	+	case(IFM_1000_CX):
500	+	#ifdef IFM_1000_TX
501	+	case(IFM_1000_TX): /* FreeBSD 4 and others? */
502	+	#endif
503	+	#ifdef IFM_1000_FX
504	+	case(IFM_1000_FX): /* FreeBSD 4 */
505	+	#endif
506	+	#ifdef IFM_1000_T
507	+	case(IFM_1000_T): /* FreeBSD 5 */
508	+	#endif
509	+	network_iface_stat_ptr->speed = 1000;
510	+	break;
511	+	/* We don't know what it is */
512	+	default:
513	+	network_iface_stat_ptr->speed = 0;
514	+	break;
515	+	}
516	+
517	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
518	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
519	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
520	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
521	+	}else{
522	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
523	+	}
524	+
525	+	}
526	+	freeifaddrs(net);
527	+	close(sock);
528	+	#endif
529	+
530	+	#ifdef SOLARIS
531	+	if ((kc = kstat_open()) == NULL) {
532	+	return NULL;
533	+	}
534	+
535	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
536	+	return NULL;
537	+	}
538	+
539	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
540	+	if (!strcmp(ksp->ks_class, "net")) {
541	+	struct ifreq ifr;
542	+
543	+	kstat_read(kc, ksp, NULL);
544	+
545	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
546	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
547	+	/* Not a network interface. */
548	+	continue;
549	+	}
550	+
551	+	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
552	+	if (network_iface_stats == NULL) {
553	+	return NULL;
554	+	}
555	+	network_iface_stat_ptr = network_iface_stats + ifaces;
556	+	ifaces++;
557	+
558	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
559	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
560	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
561	+
562	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
563	+	network_iface_stat_ptr->up = 1;
564	+	} else {
565	+	network_iface_stat_ptr->up = 1;
566	+	}
567	+
568	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
569	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
570	+	} else {
571	+	network_iface_stat_ptr->speed = 0;
572	+	}
573	+
574	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
575	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
576	+	switch (knp->value.ui32) {
577	+	case 1:
578	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
579	+	break;
580	+	case 2:
581	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
582	+	break;
583	+	}
584	+	}
585	+	}
586	+	}
587	+
588	+	close(sock);
589	+	kstat_close(kc);
590	+	#endif
591	+	#ifdef LINUX
592	+	f = fopen("/proc/net/dev", "r");
593	+	if(f == NULL){
594	+	return NULL;
595	+	}
596	+
597	+	/* Setup stuff so we can do the ioctl to get the info */
598	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
599	+	return NULL;
600	+	}
601	+
602	+	/* Ignore first 2 lines.. Just headings */
603	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
604	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
605	+
606	+	while((fgets(line, sizeof(line), f)) != NULL){
607	+	char *name, *ptr;
608	+	struct ifreq ifr;
609	+	struct ethtool_cmd ethcmd;
610	+	int err;
611	+
612	+	/* Get the interface name */
613	+	ptr = strchr(line, ':');
614	+	if (ptr == NULL) continue;
615	+	*ptr='\0';
616	+	name = line;
617	+	while(isspace(*(name))){
618	+	name++;
619	+	}
620	+
621	+	memset(&ifr, 0, sizeof ifr);
622	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
623	+
624	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
625	+	continue;
626	+	}
627	+
628	+	/* We have a good interface to add */
629	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
630	+	if(network_iface_stats==NULL){
631	+	return NULL;
632	+	}
633	+	network_iface_stat_ptr = network_iface_stats + ifaces;
634	+	network_iface_stat_ptr->interface_name = strdup(name);
635	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
636	+	network_iface_stat_ptr->up = 1;
637	+	} else {
638	+	network_iface_stat_ptr->up = 0;
639	+	}
640	+
641	+	memset(&ethcmd, 0, sizeof ethcmd);
642	+	ethcmd.cmd = ETHTOOL_GSET;
643	+	ifr.ifr_data = (caddr_t) &ethcmd;
644	+
645	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
646	+	if (err == 0) {
647	+	network_iface_stat_ptr->speed = ethcmd.speed;
648	+
649	+	switch (ethcmd.duplex) {
650	+	case 0x00:
651	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
652	+	break;
653	+	case 0x01:
654	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
655	+	break;
656	+	default:
657	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
658	+	}
659	+	} else {
660	+	/* Not all interfaces support the ethtool ioctl. */
661	+	network_iface_stat_ptr->speed = 0;
662	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
663	+	}
664	+
665	+	ifaces++;
666	+	}
667	+	close(sock);
668	+	fclose(f);
669	+	#endif
670	+	*entries = ifaces;
671	+	return network_iface_stats;
672		}
673

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