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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 1.82 by tdb, Sun Oct 3 18:35:57 2010 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 <sys/ioctl.h>
49	+	#include <sys/socket.h>
50	+	#include <net/if.h>
51	+	#include <ctype.h>
52	+	#include <linux/version.h>
53	+	#include <asm/types.h>
54	+	/* These aren't defined by asm/types.h unless the kernel is being
55	+	compiled, but some versions of ethtool.h need them. */
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	+	#ifdef AIX
74	+	#include <sys/types.h>
75	+	#include <sys/socket.h>
76	+	#include <net/if.h>
77	+	#include <errno.h>
78	+	#include <strings.h>
79	+	#include <sys/ioctl.h>
80	+	#include <unistd.h>
81	+	#include <libperfstat.h>
82	+	#endif
83	+	#ifdef HPUX
84	+	#include <fcntl.h>
85	+	#include <sys/types.h>
86	+	#include <sys/socket.h>
87	+	#include <net/if.h>
88	+	#include <errno.h>
89	+	#include <strings.h>
90	+	#include <sys/ioctl.h>
91	+	#include <unistd.h>
92	+	#include <sys/un.h>
93	+	#include <sys/stropts.h>
94	+	#include <sys/dlpi.h>
95	+	#include <sys/dlpi_ext.h>
96	+	#include <sys/mib.h>
97	+	#define HP_UX11 /* Currently no HP-UX below 11 is supported, fix here if this changes */
98	+	#endif
99	+	#ifdef WIN32
100	+	#include <windows.h>
101	+	#include <Iphlpapi.h>
102	+	#include "win32.h"
103	+	#endif
104
105	<	#define START_VAL 1
105	>	static void network_stat_init(sg_network_io_stats *s) {
106	>	s->interface_name = NULL;
107	>	s->tx = 0;
108	>	s->rx = 0;
109	>	s->ipackets = 0;
110	>	s->opackets = 0;
111	>	s->ierrors = 0;
112	>	s->oerrors = 0;
113	>	s->collisions = 0;
114	>	}
115
116	<	network_stat_t *network_stat_init(int num_iface, int *wmark, network_stat_t *net_stats){
117	<	int x;
118	<	network_stat_t *net_stats_ptr;
116	>	static void network_stat_destroy(sg_network_io_stats *s) {
117	>	free(s->interface_name);
118	>	}
119
120	<	if(*wmark==-1){
121	<	printf("new malloc\n");
122	<	if((net_stats=malloc(START_VAL * sizeof(network_stat_t)))==NULL){
120	>	VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5,
121	>	network_stat_init, network_stat_destroy);
122	>
123	>	#ifdef WIN32
124	>	static PMIB_IFTABLE win32_get_devices()
125	>	{
126	>	PMIB_IFTABLE if_table;
127	>	PMIB_IFTABLE tmp;
128	>	unsigned long dwSize = 0;
129	>
130	>	// Allocate memory for pointers
131	>	if_table = sg_malloc(sizeof(MIB_IFTABLE));
132	>	if(if_table == NULL) {
133	>	return NULL;
134	>	}
135	>
136	>	// Get necessary size for the buffer
137	>	if(GetIfTable(if_table, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) {
138	>	tmp = sg_realloc(if_table, dwSize);
139	>	if(tmp == NULL) {
140	>	free(if_table);
141		return NULL;
142		}
143	<	*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;
143	>	if_table = tmp;
144		}
145	<	if(num_iface>(*wmark-1)){
146	<	if((net_stats=realloc(net_stats, (*wmark)*2 * sizeof(network_stat_t)))==NULL){
145	>
146	>	// Get the data
147	>	if(GetIfTable(if_table, &dwSize, 0) != NO_ERROR) {
148	>	free(if_table);
149	>	return NULL;
150	>	}
151	>	return if_table;
152	>	}
153	>	#endif /* WIN32 */
154	>
155	>	sg_network_io_stats *sg_get_network_io_stats(int *entries){
156	>	int interfaces;
157	>	#ifndef AIX
158	>	sg_network_io_stats *network_stat_ptr;
159	>	#endif
160	>	#ifdef HPUX
161	>	/*
162	>	* talk to Data Link Provider Interface aka /dev/dlpi
163	>	* see: http://docs.hp.com/hpux/onlinedocs/B2355-90139/B2355-90139.html
164	>	*/
165	>	#define BUF_SIZE 40960
166	>
167	>	u_long *ctrl_area = malloc(BUF_SIZE);
168	>	u_long *data_area = malloc(BUF_SIZE);
169	>	u_long *ppa_area = malloc(BUF_SIZE);
170	>	struct strbuf ctrl_buf = {BUF_SIZE, 0, (char*) ctrl_area};
171	>	struct strbuf data_buf = {BUF_SIZE, 0, (char*) data_area};
172	>
173	>	dl_hp_ppa_info_t *ppa_info;
174	>	dl_hp_ppa_req_t *ppa_req;
175	>	dl_hp_ppa_ack_t *ppa_ack;
176	>	char name_buf[24];
177	>	int fd = -1, ppa_count, count, flags;
178	>	#endif
179	>
180	>	#ifdef SOLARIS
181	>	kstat_ctl_t *kc;
182	>	kstat_t *ksp;
183	>	kstat_named_t *knp;
184	>	#endif
185	>
186	>	#ifdef LINUX
187	>	FILE *f;
188	>	/* Horrible big enough, but it should be easily big enough */
189	>	char line[8096];
190	>	regex_t regex;
191	>	regmatch_t line_match[9];
192	>	#endif
193	>	#ifdef ALLBSD
194	>	struct ifaddrs *net, *net_ptr;
195	>	struct if_data *net_data;
196	>	#endif
197	>	#ifdef WIN32
198	>	PMIB_IFTABLE if_table;
199	>	MIB_IFROW if_row;
200	>	int i, no, j;
201	>
202	>	/* used for duplicate interface names. 5 for space, hash, up to two
203	>	* numbers and terminating slash */
204	>	char buf[5];
205	>	#endif
206	>	#ifdef AIX
207	>	int i;
208	>	perfstat_netinterface_t *statp;
209	>	perfstat_id_t first;
210	>	#endif
211	>
212	>	#ifdef HPUX
213	>	interfaces=0;
214	>
215	>	if ((fd = open("/dev/dlpi", O_RDWR)) < 0) {
216	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/dev/dlpi");
217	>	return NULL;
218	>	}
219	>
220	>	ppa_req = (dl_hp_ppa_req_t *) ctrl_area;
221	>	ppa_ack = (dl_hp_ppa_ack_t *) ctrl_area;
222	>
223	>	ppa_req->dl_primitive = DL_HP_PPA_REQ;
224	>
225	>	ctrl_buf.len = sizeof(dl_hp_ppa_req_t);
226	>	if(putmsg(fd, &ctrl_buf, 0, 0) < 0) {
227	>	sg_set_error_with_errno(SG_ERROR_PUTMSG, "DL_HP_PPA_REQ");
228	>	return NULL;
229	>	}
230	>
231	>	flags = 0;
232	>	ctrl_area[0] = 0;
233	>
234	>	if (getmsg(fd, &ctrl_buf, &data_buf, &flags) < 0) {
235	>	sg_set_error_with_errno(SG_ERROR_GETMSG, "DL_HP_PPA_REQ");
236	>	return NULL;
237	>	}
238	>
239	>	if (ppa_ack->dl_length == 0) {
240	>	sg_set_error_with_errno(SG_ERROR_PARSE, "DL_HP_PPA_REQ");
241	>	return NULL;
242	>	}
243	>
244	>	// save all the PPA information
245	>	memcpy ((u_char*) ppa_area, (u_char*) ctrl_area + ppa_ack->dl_offset, ppa_ack->dl_length);
246	>	ppa_count = ppa_ack->dl_count;
247	>
248	>	for (count = 0, ppa_info = (dl_hp_ppa_info_t*) ppa_area;
249	>	count < ppa_count;
250	>	count++) {
251	>	dl_get_statistics_req_t *get_statistics_req = (dl_get_statistics_req_t*) ctrl_area;
252	>	dl_get_statistics_ack_t *get_statistics_ack = (dl_get_statistics_ack_t*) ctrl_area;
253	>
254	>	dl_attach_req_t *attach_req;
255	>	dl_detach_req_t *detach_req;
256	>	mib_ifEntry *mib_ptr;
257	>	#ifdef HP_UX11
258	>	mib_Dot3StatsEntry *mib_Dot3_ptr;
259	>	#endif
260	>
261	>	attach_req = (dl_attach_req_t*) ctrl_area;
262	>	attach_req->dl_primitive = DL_ATTACH_REQ;
263	>	attach_req->dl_ppa = ppa_info[count].dl_ppa;
264	>	ctrl_buf.len = sizeof(dl_attach_req_t);
265	>	if (putmsg(fd, &ctrl_buf, 0, 0) < 0) {
266	>	sg_set_error_with_errno(SG_ERROR_PUTMSG, "DL_ATTACH_REQ");
267		return NULL;
268		}
269
270	<	*wmark=(*wmark)*2;
271	<	net_stats_ptr=net_stats+num_iface;
272	<	for(x=num_iface;x<(*wmark);x++){
273	<	net_stats_ptr->interface_name=NULL;
62	<	net_stats_ptr++;
270	>	ctrl_area[0] = 0;
271	>	if (getmsg(fd, &ctrl_buf, &data_buf, &flags) < 0) {
272	>	sg_set_error_with_errno(SG_ERROR_GETMSG, "DL_ATTACH_REQ");
273	>	return NULL;
274		}
275	<	return net_stats;
275	>
276	>	get_statistics_req->dl_primitive = DL_GET_STATISTICS_REQ;
277	>	ctrl_buf.len = sizeof(dl_get_statistics_req_t);
278	>
279	>	if (putmsg(fd, &ctrl_buf, NULL, 0) < 0) {
280	>	sg_set_error_with_errno(SG_ERROR_PUTMSG, "DL_GET_STATISTICS_REQ");
281	>	return NULL;
282	>	}
283	>
284	>	flags = 0;
285	>	ctrl_area[0] = 0;
286	>
287	>	if (getmsg(fd, &ctrl_buf, NULL, &flags) < 0) {
288	>	sg_set_error_with_errno(SG_ERROR_GETMSG, "DL_GET_STATISTICS_REQ");
289	>	return NULL;
290	>	}
291	>	if (get_statistics_ack->dl_primitive != DL_GET_STATISTICS_ACK) {
292	>	sg_set_error_with_errno(SG_ERROR_PARSE, "DL_GET_STATISTICS_ACK");
293	>	return NULL;
294	>	}
295	>
296	>	mib_ptr = (mib_ifEntry*) ((u_char*) ctrl_area + get_statistics_ack->dl_stat_offset);
297	>
298	>	if (0 == (mib_ptr->ifOper & 1)) {
299	>	continue;
300	>	}
301	>
302	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
303	>	return NULL;
304	>	}
305	>	network_stat_ptr=network_stats+interfaces;
306	>
307	>	snprintf( name_buf, sizeof(name_buf), "lan%d", ppa_info[count].dl_ppa );
308	>
309	>	if (sg_update_string(&network_stat_ptr->interface_name, name_buf ) < 0 ) {
310	>	return NULL;
311	>	}
312	>	network_stat_ptr->rx = mib_ptr->ifInOctets;
313	>	network_stat_ptr->tx = mib_ptr->ifOutOctets;
314	>	network_stat_ptr->ipackets = mib_ptr->ifInUcastPkts + mib_ptr->ifInNUcastPkts;
315	>	network_stat_ptr->opackets = mib_ptr->ifOutUcastPkts + mib_ptr->ifOutNUcastPkts;
316	>	network_stat_ptr->ierrors = mib_ptr->ifInErrors;
317	>	network_stat_ptr->oerrors = mib_ptr->ifOutErrors;
318	>	#ifdef HP_UX11
319	>	mib_Dot3_ptr = (mib_Dot3StatsEntry *) (void *) ((int) mib_ptr + sizeof (mib_ifEntry));
320	>	network_stat_ptr->collisions = mib_Dot3_ptr->dot3StatsSingleCollisionFrames
321	>	+ mib_Dot3_ptr->dot3StatsMultipleCollisionFrames;
322	>	#else
323	>	network_stat_ptr->collisions = 0; /* currently unknown */
324	>	#endif
325	>	network_stat_ptr->systime = time(NULL);
326	>	interfaces++;
327	>
328	>	detach_req = (dl_detach_req_t*) ctrl_area;
329	>	detach_req->dl_primitive = DL_DETACH_REQ;
330	>	ctrl_buf.len = sizeof(dl_detach_req_t);
331	>	if (putmsg(fd, &ctrl_buf, 0, 0) < 0) {
332	>	sg_set_error_with_errno(SG_ERROR_PUTMSG, "DL_DETACH_REQ");
333	>	return NULL;
334	>	}
335	>
336	>	ctrl_area[0] = 0;
337	>	flags = 0;
338	>	if (getmsg(fd, &ctrl_buf, &data_buf, &flags) < 0) {
339	>	sg_set_error_with_errno(SG_ERROR_GETMSG, "DL_DETACH_REQ");
340	>	return NULL;
341	>	}
342		}
343
344	<	return net_stats;
68	<	}
344	>	close(fd);
345
346	<	network_stat_t *get_network_stats(int *entries){
347	<	kstat_ctl_t *kc;
348	<	kstat_t *ksp;
349	<	kstat_named_t *knp;
346	>	free(ctrl_area);
347	>	free(data_area);
348	>	free(ppa_area);
349	>
350	>	#endif
351	>
352	>	#ifdef ALLBSD
353	>	if (getifaddrs(&net) != 0){
354	>	sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL);
355	>	return NULL;
356	>	}
357	>
358	>	interfaces=0;
359
360	<	int interfaces=0;
361	<	network_stat_t *network_stat_ptr;
77	<	static network_stat_t *network_stats=NULL;
78	<	static int watermark=-1;
360	>	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
361	>	if (net_ptr->ifa_addr->sa_family != AF_LINK) continue;
362
363	<	if ((kc = kstat_open()) == NULL) {
364	<	return NULL;
365	<	}
363	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
364	>	return NULL;
365	>	}
366	>	network_stat_ptr=network_stats+interfaces;
367	>
368	>	if (sg_update_string(&network_stat_ptr->interface_name,
369	>	net_ptr->ifa_name) < 0) {
370	>	return NULL;
371	>	}
372	>	net_data=(struct if_data *)net_ptr->ifa_data;
373	>	network_stat_ptr->rx=net_data->ifi_ibytes;
374	>	network_stat_ptr->tx=net_data->ifi_obytes;
375	>	network_stat_ptr->ipackets=net_data->ifi_ipackets;
376	>	network_stat_ptr->opackets=net_data->ifi_opackets;
377	>	network_stat_ptr->ierrors=net_data->ifi_ierrors;
378	>	network_stat_ptr->oerrors=net_data->ifi_oerrors;
379	>	network_stat_ptr->collisions=net_data->ifi_collisions;
380	>	network_stat_ptr->systime=time(NULL);
381	>	interfaces++;
382	>	}
383	>	freeifaddrs(net);
384	>	#endif
385	>	#ifdef AIX
386	>	/* check how many perfstat_netinterface_t structures are available */
387	>	interfaces = perfstat_netinterface(NULL, NULL, sizeof(perfstat_netinterface_t), 0);
388
389	<	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
390	<	if (!strcmp(ksp->ks_class, "net")) {
86	<	kstat_read(kc, ksp, NULL);
389	>	/* allocate enough memory for all the structures */
390	>	statp = calloc(interfaces, sizeof(perfstat_netinterface_t));
391
392	<	if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){
393	<	/* Not a network interface, so skip to the next entry */
392	>	/* set name to first interface */
393	>	strcpy(first.name, FIRST_NETINTERFACE);
394	>
395	>	/* ask to get all the structures available in one call */
396	>	/* return code is number of structures returned */
397	>	interfaces = perfstat_netinterface(&first, statp, sizeof(perfstat_netinterface_t), interfaces);
398	>	if (-1 == interfaces) {
399	>	sg_set_error(SG_ERROR_SYSCTLBYNAME, "perfstat_netinterface");
400	>	free(statp);
401	>	return NULL;
402	>	}
403	>
404	>	if (VECTOR_RESIZE(network_stats, interfaces) < 0) {
405	>	sg_set_error(SG_ERROR_MALLOC, NULL);
406	>	free(statp);
407	>	return NULL;
408	>	}
409	>
410	>	/* print statistics for each of the interfaces */
411	>	for (i = 0; i < interfaces; i++) {
412	>	if (sg_update_string(&network_stats[i].interface_name, statp[i].name) < 0) {
413	>	free(statp);
414	>	return NULL;
415	>	}
416	>	network_stats[i].tx = statp[i].obytes;
417	>	network_stats[i].rx = statp[i].ibytes;
418	>	network_stats[i].opackets = statp[i].opackets;
419	>	network_stats[i].ipackets = statp[i].ipackets;
420	>	network_stats[i].oerrors = statp[i].oerrors;
421	>	network_stats[i].ierrors = statp[i].ierrors;
422	>	network_stats[i].collisions = statp[i].collisions;
423	>	network_stats[i].systime = time(NULL);
424	>	}
425	>
426	>	free(statp);
427	>	#endif
428	>	#ifdef SOLARIS
429	>	if ((kc = kstat_open()) == NULL) {
430	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
431	>	return NULL;
432	>	}
433	>
434	>	interfaces=0;
435	>
436	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
437	>	if (strcmp(ksp->ks_class, "net") == 0) {
438	>	kstat_read(kc, ksp, NULL);
439	>
440	>	#ifdef SOL7
441	>	#define LRX "rbytes"
442	>	#define LTX "obytes"
443	>	#define LIPACKETS "ipackets"
444	>	#define LOPACKETS "opackets"
445	>	#define VALTYPE value.ui32
446	>	#else
447	>	#define LRX "rbytes64"
448	>	#define LTX "obytes64"
449	>	#define LIPACKETS "ipackets64"
450	>	#define LOPACKETS "opackets64"
451	>	#define VALTYPE value.ui64
452	>	#endif
453	>
454	>	/* Read rx */
455	>	if((knp=kstat_data_lookup(ksp, LRX))==NULL){
456	>	/* This is a network interface, but it doesn't
457	>	* have the rbytes/obytes values; for instance,
458	>	* the loopback devices have this behaviour
459	>	* (although they do track packets in/out). */
460	>	/* FIXME: Show packet counts when byte counts
461	>	* not available. */
462		continue;
463		}
464	<	network_stats=network_stat_init(interfaces, &watermark, network_stats);
465	<	if(network_stats==NULL){
464	>
465	>	/* Create new network_stats */
466	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
467	>	kstat_close(kc);
468		return NULL;
469		}
470		network_stat_ptr=network_stats+interfaces;
97	–	network_stat_ptr->rx=knp->value.ui64;
471
472	<	if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){
473	<	/* Not a network interface, so skip to the next entry */
472	>	/* Read interface name */
473	>	if (sg_update_string(&network_stat_ptr->interface_name,
474	>	ksp->ks_name) < 0) {
475	>	kstat_close(kc);
476	>	return NULL;
477	>	}
478	>
479	>	/* Finish reading rx */
480	>	network_stat_ptr->rx=knp->VALTYPE;
481	>
482	>	/* Read tx */
483	>	if((knp=kstat_data_lookup(ksp, LTX))==NULL){
484		continue;
485		}
486	<	network_stat_ptr->tx=knp->value.ui64;
487	<	if(network_stat_ptr->interface_name!=NULL){
488	<	free(network_stat_ptr->interface_name);
486	>	network_stat_ptr->tx=knp->VALTYPE;
487	>
488	>	/* Read ipackets */
489	>	if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
490	>	continue;
491		}
492	<	network_stat_ptr->interface_name=strdup(ksp->ks_name);
492	>	network_stat_ptr->ipackets=knp->VALTYPE;
493	>
494	>	/* Read opackets */
495	>	if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
496	>	continue;
497	>	}
498	>	network_stat_ptr->opackets=knp->VALTYPE;
499	>
500	>	/* Read ierrors */
501	>	if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
502	>	continue;
503	>	}
504	>	network_stat_ptr->ierrors=knp->value.ui32;
505	>
506	>	/* Read oerrors */
507	>	if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
508	>	continue;
509	>	}
510	>	network_stat_ptr->oerrors=knp->value.ui32;
511	>
512	>	/* Read collisions */
513	>	if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
514	>	continue;
515	>	}
516	>	network_stat_ptr->collisions=knp->value.ui32;
517	>
518	>
519	>	/* Store systime */
520	>	network_stat_ptr->systime=time(NULL);
521	>
522		interfaces++;
523		}
524		}
525	<
525	>
526	>	kstat_close(kc);
527	>	#endif
528	>	#ifdef LINUX
529	>	f=fopen("/proc/net/dev", "r");
530	>	if(f==NULL){
531	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev");
532	>	return NULL;
533	>	}
534	>	/* read the 2 lines.. Its the title, so we dont care :) */
535	>	fgets(line, sizeof(line), f);
536	>	fgets(line, sizeof(line), f);
537
538	+
539	+	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){
540	+	sg_set_error(SG_ERROR_PARSE, NULL);
541	+	return NULL;
542	+	}
543	+
544	+	interfaces=0;
545	+
546	+	while((fgets(line, sizeof(line), f)) != NULL){
547	+	if((regexec(&regex, line, 9, line_match, 0))!=0){
548	+	continue;
549	+	}
550	+
551	+	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
552	+	return NULL;
553	+	}
554	+	network_stat_ptr=network_stats+interfaces;
555	+
556	+	if(network_stat_ptr->interface_name!=NULL){
557	+	free(network_stat_ptr->interface_name);
558	+	}
559	+
560	+	network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]);
561	+	network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
562	+	network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
563	+	network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
564	+	network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
565	+	network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
566	+	network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
567	+	network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
568	+	network_stat_ptr->systime=time(NULL);
569	+
570	+	interfaces++;
571	+	}
572	+	fclose(f);
573	+	regfree(&regex);
574	+
575	+	#endif
576	+
577	+	#ifdef CYGWIN
578	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
579	+	return NULL;
580	+	#endif
581	+
582	+	#ifdef WIN32
583	+	interfaces = 0;
584	+
585	+	if((if_table = win32_get_devices()) == NULL) {
586	+	sg_set_error(SG_ERROR_DEVICES, "network");
587	+	return NULL;
588	+	}
589	+
590	+	if(VECTOR_RESIZE(network_stats, if_table->dwNumEntries) < 0) {
591	+	free(if_table);
592	+	return NULL;
593	+	}
594	+
595	+	for (i=0; i<if_table->dwNumEntries; i++) {
596	+	network_stat_ptr=network_stats+i;
597	+	if_row = if_table->table[i];
598	+
599	+	if(sg_update_string(&network_stat_ptr->interface_name,
600	+	if_row.bDescr) < 0) {
601	+	free(if_table);
602	+	return NULL;
603	+	}
604	+	network_stat_ptr->tx = if_row.dwOutOctets;
605	+	network_stat_ptr->rx = if_row.dwInOctets;
606	+	network_stat_ptr->ipackets = if_row.dwInUcastPkts + if_row.dwInNUcastPkts;
607	+	network_stat_ptr->opackets = if_row.dwOutUcastPkts + if_row.dwOutNUcastPkts;
608	+	network_stat_ptr->ierrors = if_row.dwInErrors;
609	+	network_stat_ptr->oerrors = if_row.dwOutErrors;
610	+	network_stat_ptr->collisions = 0; /* can't do that */
611	+	network_stat_ptr->systime = time(NULL);
612	+
613	+	interfaces++;
614	+	}
615	+	free(if_table);
616	+
617	+	/* Please say there's a nicer way to do this...  If windows has two (or
618	+	* more) identical network cards, GetIfTable returns them with the same
619	+	* name, not like in Device Manager where the other has a #2 etc after
620	+	* it. So, add the #number here. Should we be doing this? Or should the
621	+	* end programs be dealing with duplicate names? Currently breaks
622	+	* watch.pl in rrdgraphing. But Unix does not have the issue of
623	+	* duplicate net device names.
624	+	*/
625	+	for (i=0; i<interfaces; i++) {
626	+	no = 2;
627	+	for(j=i+1; j<interfaces; j++) {
628	+	network_stat_ptr=network_stats+j;
629	+	if(strcmp(network_stats[i].interface_name,
630	+	network_stat_ptr->interface_name) == 0) {
631	+	if(snprintf(buf, sizeof(buf), " #%d", no) < 0) {
632	+	break;
633	+	}
634	+	if(sg_concat_string(&network_stat_ptr->interface_name, buf) != 0) {
635	+	return NULL;
636	+	}
637	+
638	+	no++;
639	+	}
640	+	}
641	+	}
642	+	#endif
643	+
644		*entries=interfaces;
645
646		return network_stats;
647	+	}
648
649	+	static long long transfer_diff(long long new, long long old){
650	+	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD) || defined(WIN32)
651	+	/* 32-bit quantities, so we must explicitly deal with wraparound. */
652	+	#define MAXVAL 0x100000000LL
653	+	if (new >= old) {
654	+	return new - old;
655	+	} else {
656	+	return MAXVAL + new - old;
657	+	}
658	+	#else
659	+	/* 64-bit quantities, so plain subtraction works. */
660	+	return new - old;
661	+	#endif
662	+	}
663	+
664	+	sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) {
665	+	VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
666	+	network_stat_init, network_stat_destroy);
667	+	sg_network_io_stats *src = NULL, *dest;
668	+	int i, j, diff_count, new_count;
669	+
670	+	if (network_stats == NULL) {
671	+	/* No previous stats, so we can't calculate a difference. */
672	+	return sg_get_network_io_stats(entries);
673	+	}
674	+
675	+	/* Resize the results array to match the previous stats. */
676	+	diff_count = VECTOR_SIZE(network_stats);
677	+	if (VECTOR_RESIZE(diff, diff_count) < 0) {
678	+	return NULL;
679	+	}
680	+
681	+	/* Copy the previous stats into the result. */
682	+	for (i = 0; i < diff_count; i++) {
683	+	src = &network_stats[i];
684	+	dest = &diff[i];
685	+
686	+	if (sg_update_string(&dest->interface_name,
687	+	src->interface_name) < 0) {
688	+	return NULL;
689	+	}
690	+	dest->rx = src->rx;
691	+	dest->tx = src->tx;
692	+	dest->ipackets = src->ipackets;
693	+	dest->opackets = src->opackets;
694	+	dest->ierrors = src->ierrors;
695	+	dest->oerrors = src->oerrors;
696	+	dest->collisions = src->collisions;
697	+	dest->systime = src->systime;
698	+	}
699	+
700	+	/* Get a new set of stats. */
701	+	if (sg_get_network_io_stats(&new_count) == NULL) {
702	+	return NULL;
703	+	}
704	+
705	+	/* For each previous stat... */
706	+	for (i = 0; i < diff_count; i++) {
707	+	dest = &diff[i];
708	+
709	+	/* ... find the corresponding new stat ... */
710	+	for (j = 0; j < new_count; j++) {
711	+	/* Try the new stat in the same position first,
712	+	since that's most likely to be it. */
713	+	src = &network_stats[(i + j) % new_count];
714	+	if (strcmp(src->interface_name, dest->interface_name) == 0) {
715	+	break;
716	+	}
717	+	}
718	+	if (j == new_count) {
719	+	/* No match found. */
720	+	continue;
721	+	}
722	+
723	+	/* ... and subtract the previous stat from it to get the
724	+	difference. */
725	+	dest->rx = transfer_diff(src->rx, dest->rx);
726	+	dest->tx = transfer_diff(src->tx, dest->tx);
727	+	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
728	+	dest->opackets = transfer_diff(src->opackets, dest->opackets);
729	+	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
730	+	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
731	+	dest->collisions = transfer_diff(src->collisions, dest->collisions);
732	+	dest->systime = src->systime - dest->systime;
733	+	}
734	+
735	+	*entries = diff_count;
736	+	return diff;
737	+	}
738	+
739	+	int sg_network_io_compare_name(const void *va, const void *vb) {
740	+	const sg_network_io_stats *a = (const sg_network_io_stats *)va;
741	+	const sg_network_io_stats *b = (const sg_network_io_stats *)vb;
742	+
743	+	return strcmp(a->interface_name, b->interface_name);
744	+	}
745	+
746	+	/* NETWORK INTERFACE STATS */
747	+
748	+	static void network_iface_stat_init(sg_network_iface_stats *s) {
749	+	s->interface_name = NULL;
750	+	s->speed = 0;
751	+	s->duplex = SG_IFACE_DUPLEX_UNKNOWN;
752	+	}
753	+
754	+	static void network_iface_stat_destroy(sg_network_iface_stats *s) {
755	+	free(s->interface_name);
756	+	}
757	+
758	+	sg_network_iface_stats *sg_get_network_iface_stats(int *entries){
759	+	VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
760	+	network_iface_stat_init, network_iface_stat_destroy);
761	+	sg_network_iface_stats *network_iface_stat_ptr;
762	+	int ifaces = 0;
763	+
764	+	#ifdef SOLARIS
765	+	kstat_ctl_t *kc;
766	+	kstat_t *ksp;
767	+	kstat_named_t *knp;
768	+	int sock;
769	+	#endif
770	+	#ifdef ALLBSD
771	+	struct ifmediareq ifmed;
772	+	struct ifaddrs *net, *net_ptr;
773	+	struct ifreq ifr;
774	+	int sock;
775	+	int x;
776	+	#endif
777	+	#ifdef LINUX
778	+	FILE *f;
779	+	/* Horrible big enough, but it should be easily big enough */
780	+	char line[8096];
781	+	int sock;
782	+	#endif
783	+	#ifdef WIN32
784	+	PMIB_IFTABLE if_table;
785	+	MIB_IFROW if_row;
786	+	int i,j,no;
787	+	char buf[5];
788	+	#endif
789	+	#ifdef AIX
790	+	int fd, n;
791	+	size_t pagesize;
792	+	struct ifreq *ifr, *lifr, iff;
793	+	struct ifconf ifc;
794	+	#endif
795	+	#ifdef HPUX
796	+	int fd;
797	+	struct ifreq *ifr, *lifr, iff;
798	+	struct ifconf ifc;
799	+	#endif
800	+
801	+	#ifdef ALLBSD
802	+	if(getifaddrs(&net) != 0){
803	+	sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL);
804	+	return NULL;
805	+	}
806	+
807	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
808	+
809	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
810	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
811	+
812	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
813	+	return NULL;
814	+	}
815	+	network_iface_stat_ptr = network_iface_stats + ifaces;
816	+
817	+	memset(&ifr, 0, sizeof(ifr));
818	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
819	+
820	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
821	+	continue;
822	+	}
823	+	if((ifr.ifr_flags & IFF_UP) != 0){
824	+	network_iface_stat_ptr->up = 1;
825	+	}else{
826	+	network_iface_stat_ptr->up = 0;
827	+	}
828	+
829	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
830	+	net_ptr->ifa_name) < 0) {
831	+	return NULL;
832	+	}
833	+
834	+	network_iface_stat_ptr->speed = 0;
835	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
836	+	ifaces++;
837	+
838	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
839	+	sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
840	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
841	+	/* Not all interfaces support the media ioctls. */
842	+	continue;
843	+	}
844	+
845	+	/* We may need to change this if we start doing wireless devices too */
846	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
847	+	/* Not a ETHER device */
848	+	continue;
849	+	}
850	+
851	+	/* Assuming only ETHER devices */
852	+	x = IFM_SUBTYPE(ifmed.ifm_active);
853	+	switch(x){
854	+	/* 10 Mbit connections. Speedy :) */
855	+	case(IFM_10_T):
856	+	case(IFM_10_2):
857	+	case(IFM_10_5):
858	+	case(IFM_10_STP):
859	+	case(IFM_10_FL):
860	+	network_iface_stat_ptr->speed = 10;
861	+	break;
862	+	/* 100 Mbit connections */
863	+	case(IFM_100_TX):
864	+	case(IFM_100_FX):
865	+	case(IFM_100_T4):
866	+	case(IFM_100_VG):
867	+	case(IFM_100_T2):
868	+	network_iface_stat_ptr->speed = 100;
869	+	break;
870	+	/* 1000 Mbit connections */
871	+	case(IFM_1000_SX):
872	+	case(IFM_1000_LX):
873	+	case(IFM_1000_CX):
874	+	#if defined(IFM_1000_TX) && !defined(OPENBSD)
875	+	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
876	+	#endif
877	+	#ifdef IFM_1000_FX
878	+	case(IFM_1000_FX): /* FreeBSD 4 */
879	+	#endif
880	+	#ifdef IFM_1000_T
881	+	case(IFM_1000_T): /* FreeBSD 5 */
882	+	#endif
883	+	network_iface_stat_ptr->speed = 1000;
884	+	break;
885	+	/* We don't know what it is */
886	+	default:
887	+	network_iface_stat_ptr->speed = 0;
888	+	break;
889	+	}
890	+
891	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
892	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL;
893	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
894	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF;
895	+	}else{
896	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
897	+	}
898	+	}
899	+	freeifaddrs(net);
900	+	close(sock);
901	+	#endif
902	+
903	+	#ifdef AIX
904	+	/*
905	+	* Fix up variable length of struct ifr
906	+	*/
907	+	#ifndef _SIZEOF_ADDR_IFREQ
908	+	#define _SIZEOF_ADDR_IFREQ(ifr) \
909	+	(((ifr).ifr_addr.sa_len > sizeof(struct sockaddr)) \
910	+	? sizeof(struct ifreq) - sizeof(struct sockaddr) + (ifr).ifr_addr.sa_len \
911	+	: sizeof(struct ifreq))
912	+	#endif
913	+
914	+	if ((pagesize = sysconf(_SC_PAGESIZE)) == ((size_t)-1)) {
915	+	sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
916	+	return NULL;
917	+	}
918	+
919	+	if ((fd = socket (PF_INET, SOCK_DGRAM, 0)) == -1) {
920	+	return NULL;
921	+	}
922	+
923	+	n = 2;
924	+	ifr = (struct ifreq *)malloc( n*pagesize );
925	+	if( NULL == ifr ) {
926	+	sg_set_error_with_errno(SG_ERROR_MALLOC, NULL);
927	+	close (fd);
928	+	return NULL;
929	+	}
930	+	bzero(&ifc, sizeof(ifc));
931	+	ifc.ifc_req = ifr;
932	+	ifc.ifc_len = n * pagesize;
933	+	while( ( ioctl( fd, SIOCGIFCONF, &ifc ) == -1 ) ||
934	+	( ((size_t)ifc.ifc_len) >= ( (n-1) * pagesize)) )
935	+	{
936	+	n *= 2;
937	+	ifr = (struct ifreq *)realloc( ifr, n*pagesize );
938	+	if( NULL == ifr ) {
939	+	free( ifc.ifc_req );
940	+	close (fd);
941	+	sg_set_error_with_errno(SG_ERROR_MALLOC, NULL);
942	+	return NULL;
943	+	}
944	+	ifc.ifc_req = ifr;
945	+	ifc.ifc_len = n * pagesize;
946	+	}
947	+
948	+	lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len];
949	+	for ( ifr = ifc.ifc_req;
950	+	ifr < lifr;
951	+	ifr = (struct ifreq *)&(((char *)ifr)[_SIZEOF_ADDR_IFREQ(*ifr)]) )
952	+	{
953	+	struct sockaddr *sa = &ifr->ifr_addr;
954	+
955	+	if(sa->sa_family != AF_LINK)
956	+	continue;
957	+
958	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
959	+	free( ifc.ifc_req );
960	+	close (fd);
961	+	return NULL;
962	+	}
963	+	network_iface_stat_ptr = network_iface_stats + ifaces;
964	+
965	+	memset(&iff, 0, sizeof(iff));
966	+	strncpy(iff.ifr_name, ifr->ifr_name, sizeof(iff.ifr_name));
967	+
968	+	if (ioctl(fd, SIOCGIFFLAGS, &iff) < 0) {
969	+	continue;
970	+	}
971	+
972	+	if ((iff.ifr_flags & IFF_UP) != 0) {
973	+	network_iface_stat_ptr->up = 1;
974	+	} else {
975	+	network_iface_stat_ptr->up = 0;
976	+	}
977	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
978	+	ifr->ifr_name) < 0) {
979	+	close (fd);
980	+	free( ifc.ifc_req );
981	+	return NULL;
982	+	}
983	+
984	+	network_iface_stat_ptr->speed = 0;
985	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
986	+	ifaces++;
987	+	}
988	+
989	+	close (fd);
990	+	free( ifc.ifc_req );
991	+	#endif
992	+
993	+	#ifdef HPUX
994	+	/*
995	+	* Fix up variable length of struct ifr
996	+	*/
997	+	#ifndef _SA_LEN
998	+	#define _SA_LEN(sa) \
999	+	((sa).sa_family == AF_UNIX ? sizeof(struct sockaddr_un) : \
1000	+	(sa).sa_family == AF_INET6 ? sizeof(struct sockaddr_in6) : \
1001	+	sizeof(struct sockaddr))
1002	+	#endif
1003	+
1004	+	#ifndef _SIZEOF_ADDR_IFREQ
1005	+	#define _SIZEOF_ADDR_IFREQ(ifr) \
1006	+	((_SA_LEN((ifr).ifr_addr) > sizeof(struct sockaddr)) \
1007	+	? sizeof(struct ifreq) - sizeof(struct sockaddr) + _SA_LEN((ifr).ifr_addr) \
1008	+	: sizeof(struct ifreq))
1009	+	#endif
1010	+	if ((fd = socket (PF_INET, SOCK_DGRAM, 0)) == -1) {
1011	+	return NULL;
1012	+	}
1013	+
1014	+	bzero(&ifc, sizeof(ifc));
1015	+	if (ioctl (fd, SIOCGIFNUM, &ifc) != -1) {
1016	+	ifr = calloc(sizeof (*ifr), ifc.ifc_len);
1017	+	if( NULL == ifr ) {
1018	+	close (fd);
1019	+	sg_set_error_with_errno(SG_ERROR_MALLOC, NULL);
1020	+	return NULL;
1021	+	}
1022	+	ifc.ifc_req = ifr;
1023	+	ifc.ifc_len *= sizeof (*ifr);
1024	+	if (ioctl (fd, SIOCGIFCONF, &ifc) == -1) {
1025	+	free (ifr);
1026	+	close (fd);
1027	+	sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL);
1028	+	return NULL;
1029	+	}
1030	+	} else {
1031	+	close (fd);
1032	+	sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL);
1033	+	return NULL;
1034	+	}
1035	+
1036	+	lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len];
1037	+	for ( ifr = ifc.ifc_req;
1038	+	ifr < lifr;
1039	+	ifr = (struct ifreq *)(((char *)ifr) + _SIZEOF_ADDR_IFREQ(*ifr)) )
1040	+	{
1041	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
1042	+	free( ifc.ifc_req );
1043	+	close (fd);
1044	+	return NULL;
1045	+	}
1046	+	network_iface_stat_ptr = network_iface_stats + ifaces;
1047	+
1048	+	bzero(&iff, sizeof(iff));
1049	+	strncpy(iff.ifr_name, ifr->ifr_name, sizeof(iff.ifr_name));
1050	+
1051	+	if (ioctl(fd, SIOCGIFFLAGS, &iff) < 0) {
1052	+	continue;
1053	+	}
1054	+
1055	+	if ((iff.ifr_flags & IFF_UP) != 0) {
1056	+	network_iface_stat_ptr->up = 1;
1057	+	} else {
1058	+	network_iface_stat_ptr->up = 0;
1059	+	}
1060	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
1061	+	ifr->ifr_name) < 0) {
1062	+	close (fd);
1063	+	free( ifc.ifc_req );
1064	+	return NULL;
1065	+	}
1066	+
1067	+	/**
1068	+	* for physical devices we now could ask /dev/dlpi for speed and type,
1069	+	* but for monitoring we don't care
1070	+	*/
1071	+	network_iface_stat_ptr->speed = 0;
1072	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
1073	+	ifaces++;
1074	+	}
1075	+
1076	+	close (fd);
1077	+	free( ifc.ifc_req );
1078	+	#endif
1079	+
1080	+	#ifdef SOLARIS
1081	+	if ((kc = kstat_open()) == NULL) {
1082	+	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
1083	+	return NULL;
1084	+	}
1085	+
1086	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
1087	+	sg_set_error_with_errno(SG_ERROR_SOCKET, NULL);
1088	+	kstat_close(kc);
1089	+	return NULL;
1090	+	}
1091	+
1092	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
1093	+	if (strcmp(ksp->ks_class, "net") == 0) {
1094	+	struct ifreq ifr;
1095	+
1096	+	kstat_read(kc, ksp, NULL);
1097	+
1098	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
1099	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
1100	+	/* Not a network interface. */
1101	+	continue;
1102	+	}
1103	+
1104	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
1105	+	kstat_close(kc);
1106	+	return NULL;
1107	+	}
1108	+	network_iface_stat_ptr = network_iface_stats + ifaces;
1109	+	ifaces++;
1110	+
1111	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
1112	+	ksp->ks_name) < 0) {
1113	+	kstat_close(kc);
1114	+	return NULL;
1115	+	}
1116	+
1117	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
1118	+	if ((knp = kstat_data_lookup(ksp, "link_up")) != NULL) {
1119	+	/* take in to account if link
1120	+	* is up as well as interface */
1121	+	if (knp->value.ui32 != 0u) {
1122	+	network_iface_stat_ptr->up = 1;
1123	+	} else {
1124	+	network_iface_stat_ptr->up = 0;
1125	+	}
1126	+	}
1127	+	else {
1128	+	/* maintain compatibility */
1129	+	network_iface_stat_ptr->up = 1;
1130	+	}
1131	+	} else {
1132	+	network_iface_stat_ptr->up = 0;
1133	+	}
1134	+
1135	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
1136	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
1137	+	} else {
1138	+	network_iface_stat_ptr->speed = 0;
1139	+	}
1140	+
1141	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
1142	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
1143	+	switch (knp->value.ui32) {
1144	+	case 1:
1145	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF;
1146	+	break;
1147	+	case 2:
1148	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL;
1149	+	break;
1150	+	}
1151	+	}
1152	+	}
1153	+	}
1154	+
1155	+	close(sock);
1156	+	kstat_close(kc);
1157	+	#endif
1158	+	#ifdef LINUX
1159	+	f = fopen("/proc/net/dev", "r");
1160	+	if(f == NULL){
1161	+	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev");
1162	+	return NULL;
1163	+	}
1164	+
1165	+	/* Setup stuff so we can do the ioctl to get the info */
1166	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
1167	+	sg_set_error_with_errno(SG_ERROR_SOCKET, NULL);
1168	+	return NULL;
1169	+	}
1170	+
1171	+	/* Ignore first 2 lines.. Just headings */
1172	+	if((fgets(line, sizeof(line), f)) == NULL) {
1173	+	sg_set_error(SG_ERROR_PARSE, NULL);
1174	+	return NULL;
1175	+	}
1176	+	if((fgets(line, sizeof(line), f)) == NULL) {
1177	+	sg_set_error(SG_ERROR_PARSE, NULL);
1178	+	return NULL;
1179	+	}
1180	+
1181	+	while((fgets(line, sizeof(line), f)) != NULL){
1182	+	char *name, *ptr;
1183	+	struct ifreq ifr;
1184	+	struct ethtool_cmd ethcmd;
1185	+	int err;
1186	+
1187	+	/* Get the interface name */
1188	+	ptr = strchr(line, ':');
1189	+	if (ptr == NULL) continue;
1190	+	*ptr='\0';
1191	+	name = line;
1192	+	while(isspace(*(name))){
1193	+	name++;
1194	+	}
1195	+
1196	+	memset(&ifr, 0, sizeof ifr);
1197	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
1198	+
1199	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
1200	+	continue;
1201	+	}
1202	+
1203	+	/* We have a good interface to add */
1204	+	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
1205	+	return NULL;
1206	+	}
1207	+	network_iface_stat_ptr = network_iface_stats + ifaces;
1208	+
1209	+	if (sg_update_string(&network_iface_stat_ptr->interface_name,
1210	+	name) < 0) {
1211	+	return NULL;
1212	+	}
1213	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
1214	+	network_iface_stat_ptr->up = 1;
1215	+	} else {
1216	+	network_iface_stat_ptr->up = 0;
1217	+	}
1218	+
1219	+	memset(&ethcmd, 0, sizeof ethcmd);
1220	+	ethcmd.cmd = ETHTOOL_GSET;
1221	+	ifr.ifr_data = (caddr_t) &ethcmd;
1222	+
1223	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
1224	+	if (err == 0) {
1225	+	network_iface_stat_ptr->speed = ethcmd.speed;
1226	+
1227	+	switch (ethcmd.duplex) {
1228	+	case DUPLEX_FULL:
1229	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL;
1230	+	break;
1231	+	case DUPLEX_HALF:
1232	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF;
1233	+	break;
1234	+	default:
1235	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
1236	+	}
1237	+	} else {
1238	+	/* Not all interfaces support the ethtool ioctl. */
1239	+	network_iface_stat_ptr->speed = 0;
1240	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
1241	+	}
1242	+
1243	+	ifaces++;
1244	+	}
1245	+	close(sock);
1246	+	fclose(f);
1247	+	#endif
1248	+	#ifdef CYGWIN
1249	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
1250	+	return NULL;
1251	+	#endif
1252	+	#ifdef WIN32
1253	+	ifaces = 0;
1254	+
1255	+	if((if_table = win32_get_devices()) == NULL) {
1256	+	sg_set_error(SG_ERROR_DEVICES, "network interfaces");
1257	+	return NULL;
1258	+	}
1259	+
1260	+	if(VECTOR_RESIZE(network_iface_stats, if_table->dwNumEntries) < 0) {
1261	+	free(if_table);
1262	+	return NULL;
1263	+	}
1264	+
1265	+	for(i=0; i<if_table->dwNumEntries; i++) {
1266	+	network_iface_stat_ptr=network_iface_stats+i;
1267	+	if_row = if_table->table[i];
1268	+
1269	+	if(sg_update_string(&network_iface_stat_ptr->interface_name,
1270	+	if_row.bDescr) < 0) {
1271	+	free(if_table);
1272	+	return NULL;
1273	+	}
1274	+	network_iface_stat_ptr->speed = if_row.dwSpeed /1000000;
1275	+
1276	+	if((if_row.dwOperStatus == MIB_IF_OPER_STATUS_CONNECTED ||
1277	+	if_row.dwOperStatus ==
1278	+	MIB_IF_OPER_STATUS_OPERATIONAL) &&
1279	+	if_row.dwAdminStatus == 1) {
1280	+	network_iface_stat_ptr->up = 1;
1281	+	} else {
1282	+	network_iface_stat_ptr->up = 0;
1283	+	}
1284	+
1285	+	ifaces++;
1286	+	}
1287	+	free(if_table);
1288	+
1289	+	/* again with the renumbering */
1290	+	for (i=0; i<ifaces; i++) {
1291	+	no = 2;
1292	+	for(j=i+1; j<ifaces; j++) {
1293	+	network_iface_stat_ptr=network_iface_stats+j;
1294	+	if(strcmp(network_iface_stats[i].interface_name,
1295	+	network_iface_stat_ptr->interface_name) == 0) {
1296	+	if(snprintf(buf, sizeof(buf), " #%d", no) < 0) {
1297	+	break;
1298	+	}
1299	+	if(sg_concat_string(&network_iface_stat_ptr->interface_name, buf) != 0) {
1300	+	return NULL;
1301	+	}
1302	+
1303	+	no++;
1304	+	}
1305	+	}
1306	+	}
1307	+	#endif
1308	+
1309	+	#ifdef SG_ENABLE_DEPRECATED
1310	+	network_iface_stat_ptr->dup = network_iface_stat_ptr->duplex;
1311	+	#endif
1312	+
1313	+	*entries = ifaces;
1314	+	return network_iface_stats;
1315	+	}
1316	+
1317	+	int sg_network_iface_compare_name(const void *va, const void *vb) {
1318	+	const sg_network_iface_stats *a = (const sg_network_iface_stats *)va;
1319	+	const sg_network_iface_stats *b = (const sg_network_iface_stats *)vb;
1320	+
1321	+	return strcmp(a->interface_name, b->interface_name);
1322		}
1323

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