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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 1.15 by tdb, Sun Aug 24 20:24:09 2003 UTC vs.
Revision 1.75 by ats, Sat Jul 30 13:23:46 2005 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
1	>	/*
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4	<	* Copyright (C) 2000-2003 i-scream
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
#	Line 25 | Line 28
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 <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 "tools.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 FREEBSD
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	<	static network_stat_t *network_stats=NULL;
75	<	static int interfaces=0;
76	<
77	<	void network_stat_init(int start, int end, network_stat_t *net_stats){
78	<
79	<	for(net_stats+=start; start<end; start++){
80	<	net_stats->interface_name=NULL;
81	<	net_stats->tx=0;
82	<	net_stats->rx=0;
55	<	net_stats++;
56	<	}
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_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){
86	<
61	<	if(net_stats==NULL){
62	<
63	<	if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
64	<	return NULL;
65	<	}
66	<	network_stat_init(0, needed_entries, net_stats);
67	<	*cur_entries=needed_entries;
68	<
69	<	return net_stats;
70	<	}
71	<
72	<
73	<	if(*cur_entries<needed_entries){
74	<	net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
75	<	if(net_stats==NULL){
76	<	return NULL;
77	<	}
78	<	network_stat_init(*cur_entries, needed_entries, net_stats);
79	<	*cur_entries=needed_entries;
80	<	}
81	<
82	<	return net_stats;
85	>	static void network_stat_destroy(sg_network_io_stats *s) {
86	>	free(s->interface_name);
87		}
88
89	+	VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5,
90	+	network_stat_init, network_stat_destroy);
91
92	<	network_stat_t *get_network_stats(int *entries){
92	>	sg_network_io_stats *sg_get_network_io_stats(int *entries){
93	>	int interfaces;
94	>	sg_network_io_stats *network_stat_ptr;
95
88	–	static int sizeof_network_stats=0;
89	–	network_stat_t *network_stat_ptr;
90	–
96		#ifdef SOLARIS
97	<	kstat_ctl_t *kc;
98	<	kstat_t *ksp;
97	>	kstat_ctl_t *kc;
98	>	kstat_t *ksp;
99		kstat_named_t *knp;
100		#endif
101
#	Line 99 | Line 104 | network_stat_t *get_network_stats(int *entries){
104		/* Horrible big enough, but it should be easily big enough */
105		char line[8096];
106		regex_t regex;
107	<	regmatch_t line_match[4];
107	>	regmatch_t line_match[9];
108		#endif
109	<	#ifdef FREEBSD
109	>	#ifdef ALLBSD
110		struct ifaddrs *net, *net_ptr;
111		struct if_data *net_data;
112		#endif
113
114	<	#ifdef FREEBSD
114	>	#ifdef ALLBSD
115		if(getifaddrs(&net) != 0){
116	+	sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL);
117		return NULL;
118		}
119
#	Line 115 | Line 121 | network_stat_t *get_network_stats(int *entries){
121
122		for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
123		if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
124	<	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
125	<	if(network_stats==NULL){
124	>
125	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
126		return NULL;
127		}
128		network_stat_ptr=network_stats+interfaces;
129
130	<	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
131	<	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
132	<	if(network_stat_ptr->interface_name==NULL) return NULL;
130	>	if (sg_update_string(&network_stat_ptr->interface_name,
131	>	net_ptr->ifa_name) < 0) {
132	>	return NULL;
133	>	}
134		net_data=(struct if_data *)net_ptr->ifa_data;
135		network_stat_ptr->rx=net_data->ifi_ibytes;
136	<	network_stat_ptr->tx=net_data->ifi_obytes;
136	>	network_stat_ptr->tx=net_data->ifi_obytes;
137	>	network_stat_ptr->ipackets=net_data->ifi_ipackets;
138	>	network_stat_ptr->opackets=net_data->ifi_opackets;
139	>	network_stat_ptr->ierrors=net_data->ifi_ierrors;
140	>	network_stat_ptr->oerrors=net_data->ifi_oerrors;
141	>	network_stat_ptr->collisions=net_data->ifi_collisions;
142		network_stat_ptr->systime=time(NULL);
143		interfaces++;
144		}
#	Line 134 | Line 146 | network_stat_t *get_network_stats(int *entries){
146		#endif
147
148		#ifdef SOLARIS
149	<	if ((kc = kstat_open()) == NULL) {
150	<	return NULL;
151	<	}
149	>	if ((kc = kstat_open()) == NULL) {
150	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
151	>	return NULL;
152	>	}
153
154		interfaces=0;
155
156	<	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
157	<	if (!strcmp(ksp->ks_class, "net")) {
158	<	kstat_read(kc, ksp, NULL);
156	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
157	>	if (!strcmp(ksp->ks_class, "net")) {
158	>	kstat_read(kc, ksp, NULL);
159
160		#ifdef SOL7
161	<	#define RLOOKUP "rbytes"
162	<	#define WLOOKUP "obytes"
161	>	#define LRX "rbytes"
162	>	#define LTX "obytes"
163	>	#define LIPACKETS "ipackets"
164	>	#define LOPACKETS "opackets"
165		#define VALTYPE value.ui32
166		#else
167	<	#define RLOOKUP "rbytes64"
168	<	#define WLOOKUP "obytes64"
167	>	#define LRX "rbytes64"
168	>	#define LTX "obytes64"
169	>	#define LIPACKETS "ipackets64"
170	>	#define LOPACKETS "opackets64"
171		#define VALTYPE value.ui64
172		#endif
173
174	<	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
175	<	/* Not a network interface, so skip to the next entry */
174	>	/* Read rx */
175	>	if((knp=kstat_data_lookup(ksp, LRX))==NULL){
176	>	/* This is a network interface, but it doesn't
177	>	* have the rbytes/obytes values; for instance,
178	>	* the loopback devices have this behaviour
179	>	* (although they do track packets in/out). */
180	>	/* FIXME: Show packet counts when byte counts
181	>	* not available. */
182		continue;
183		}
184
185	<	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
186	<	if(network_stats==NULL){
185	>	/* Create new network_stats */
186	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
187		return NULL;
188		}
189		network_stat_ptr=network_stats+interfaces;
190	+
191	+	/* Finish reading rx */
192		network_stat_ptr->rx=knp->VALTYPE;
193
194	<	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
195	<	/* Not a network interface, so skip to the next entry */
194	>	/* Read tx */
195	>	if((knp=kstat_data_lookup(ksp, LTX))==NULL){
196		continue;
197		}
198		network_stat_ptr->tx=knp->VALTYPE;
199	<	if(network_stat_ptr->interface_name!=NULL){
200	<	free(network_stat_ptr->interface_name);
199	>
200	>	/* Read ipackets */
201	>	if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
202	>	continue;
203		}
204	<	network_stat_ptr->interface_name=strdup(ksp->ks_name);
204	>	network_stat_ptr->ipackets=knp->VALTYPE;
205
206	+	/* Read opackets */
207	+	if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
208	+	continue;
209	+	}
210	+	network_stat_ptr->opackets=knp->VALTYPE;
211	+
212	+	/* Read ierrors */
213	+	if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
214	+	continue;
215	+	}
216	+	network_stat_ptr->ierrors=knp->value.ui32;
217	+
218	+	/* Read oerrors */
219	+	if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
220	+	continue;
221	+	}
222	+	network_stat_ptr->oerrors=knp->value.ui32;
223	+
224	+	/* Read collisions */
225	+	if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
226	+	continue;
227	+	}
228	+	network_stat_ptr->collisions=knp->value.ui32;
229	+
230	+	/* Read interface name */
231	+	if (sg_update_string(&network_stat_ptr->interface_name,
232	+	ksp->ks_name) < 0) {
233	+	return NULL;
234	+	}
235	+
236	+	/* Store systime */
237		network_stat_ptr->systime=time(NULL);
238	+
239		interfaces++;
240		}
241		}
#	Line 186 | Line 245 | network_stat_t *get_network_stats(int *entries){
245		#ifdef LINUX
246		f=fopen("/proc/net/dev", "r");
247		if(f==NULL){
248	+	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev");
249		return NULL;
250		}
251		/* read the 2 lines.. Its the title, so we dont care :) */
#	Line 193 | Line 253 | network_stat_t *get_network_stats(int *entries){
253		fgets(line, sizeof(line), f);
254
255
256	<	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){
256	>	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){
257	>	sg_set_error(SG_ERROR_PARSE, NULL);
258		return NULL;
259		}
260
261		interfaces=0;
262
263		while((fgets(line, sizeof(line), f)) != NULL){
264	<	if((regexec(&regex, line, 4, line_match, 0))!=0){
264	>	if((regexec(&regex, line, 9, line_match, 0))!=0){
265		continue;
266		}
267	<	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
268	<	if(network_stats==NULL){
269	<	return NULL;
267	>
268	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
269	>	return NULL;
270		}
271	<	network_stat_ptr=network_stats+interfaces;
271	>	network_stat_ptr=network_stats+interfaces;
272
273		if(network_stat_ptr->interface_name!=NULL){
274		free(network_stat_ptr->interface_name);
275		}
276
277	<	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
278	<	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
279	<	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
277	>	network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]);
278	>	network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
279	>	network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
280	>	network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
281	>	network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
282	>	network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
283	>	network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
284	>	network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
285		network_stat_ptr->systime=time(NULL);
286
287		interfaces++;
#	Line 224 | Line 290 | network_stat_t *get_network_stats(int *entries){
290		regfree(&regex);
291
292		#endif
293	+
294	+	#ifdef CYGWIN
295	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
296	+	return NULL;
297	+	#endif
298	+	#ifdef HPUX
299	+	sg_set_error(SG_ERROR_UNSUPPORTED, "HP-UX");
300	+	return NULL;
301	+	#endif
302	+
303		*entries=interfaces;
304
305		return network_stats;
306		}
307
308	<	long long transfer_diff(long long new, long long old){
309	<	#ifdef SOL7
310	<	#define MAXVAL 4294967296
308	>	static long long transfer_diff(long long new, long long old){
309	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
310	>	/* 32-bit quantities, so we must explicitly deal with wraparound. */
311	>	#define MAXVAL 0x100000000LL
312	>	if (new >= old) {
313	>	return new - old;
314	>	} else {
315	>	return MAXVAL + new - old;
316	>	}
317		#else
318	<	#define MAXVAL 18446744073709551616
318	>	/* 64-bit quantities, so plain subtraction works. */
319	>	return new - old;
320		#endif
321	<	long long result;
239	<	if(new>=old){
240	<	result = (new-old);
241	<	}else{
242	<	result = (MAXVAL+(new-old));
243	<	}
321	>	}
322
323	<	return result;
323	>	sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) {
324	>	VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
325	>	network_stat_init, network_stat_destroy);
326	>	sg_network_io_stats *src = NULL, *dest;
327	>	int i, j, diff_count, new_count;
328
329	<	}
329	>	if (network_stats == NULL) {
330	>	/* No previous stats, so we can't calculate a difference. */
331	>	return sg_get_network_io_stats(entries);
332	>	}
333
334	<	network_stat_t *get_network_stats_diff(int *entries){
335	<	static network_stat_t *network_stats_diff=NULL;
336	<	static int sizeof_net_stats_diff=0;
337	<	network_stat_t *network_stats_ptr, *network_stats_diff_ptr;
338	<	int ifaces, x, y;
334	>	/* Resize the results array to match the previous stats. */
335	>	diff_count = VECTOR_SIZE(network_stats);
336	>	if (VECTOR_RESIZE(diff, diff_count) < 0) {
337	>	return NULL;
338	>	}
339
340	<	if(network_stats==NULL){
341	<	network_stats_ptr=get_network_stats(&ifaces);
342	<	*entries=ifaces;
343	<	return network_stats_ptr;
340	>	/* Copy the previous stats into the result. */
341	>	for (i = 0; i < diff_count; i++) {
342	>	src = &network_stats[i];
343	>	dest = &diff[i];
344	>
345	>	if (sg_update_string(&dest->interface_name,
346	>	src->interface_name) < 0) {
347	>	return NULL;
348	>	}
349	>	dest->rx = src->rx;
350	>	dest->tx = src->tx;
351	>	dest->ipackets = src->ipackets;
352	>	dest->opackets = src->opackets;
353	>	dest->ierrors = src->ierrors;
354	>	dest->oerrors = src->oerrors;
355	>	dest->collisions = src->collisions;
356	>	dest->systime = src->systime;
357		}
358
359	<	network_stats_diff=network_stat_malloc(interfaces, &sizeof_net_stats_diff, network_stats_diff);
360	<	if(network_stats_diff==NULL){
359	>	/* Get a new set of stats. */
360	>	if (sg_get_network_io_stats(&new_count) == NULL) {
361		return NULL;
362		}
363
364	<	network_stats_ptr=network_stats;
365	<	network_stats_diff_ptr=network_stats_diff;
364	>	/* For each previous stat... */
365	>	for (i = 0; i < diff_count; i++) {
366	>	dest = &diff[i];
367
368	<	for(ifaces=0;ifaces<interfaces;ifaces++){
369	<	if(network_stats_diff_ptr->interface_name!=NULL){
370	<	free(network_stats_diff_ptr->interface_name);
368	>	/* ... find the corresponding new stat ... */
369	>	for (j = 0; j < new_count; j++) {
370	>	/* Try the new stat in the same position first,
371	>	since that's most likely to be it. */
372	>	src = &network_stats[(i + j) % new_count];
373	>	if (strcmp(src->interface_name, dest->interface_name) == 0) {
374	>	break;
375	>	}
376		}
377	<	network_stats_diff_ptr->interface_name=strdup(network_stats_ptr->interface_name);
378	<	network_stats_diff_ptr->tx=network_stats_ptr->tx;
379	<	network_stats_diff_ptr->rx=network_stats_ptr->rx;
380	<	network_stats_diff_ptr->systime=network_stats->systime;
377	>	if (j == new_count) {
378	>	/* No match found. */
379	>	continue;
380	>	}
381
382	<	network_stats_ptr++;
383	<	network_stats_diff_ptr++;
382	>	/* ... and subtract the previous stat from it to get the
383	>	difference. */
384	>	dest->rx = transfer_diff(src->rx, dest->rx);
385	>	dest->tx = transfer_diff(src->tx, dest->tx);
386	>	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
387	>	dest->opackets = transfer_diff(src->opackets, dest->opackets);
388	>	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
389	>	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
390	>	dest->collisions = transfer_diff(src->collisions, dest->collisions);
391	>	dest->systime = src->systime - dest->systime;
392		}
281	–	network_stats_ptr=get_network_stats(&ifaces);
282	–	network_stats_diff_ptr=network_stats_diff;
393
394	<	for(x=0;x<sizeof_net_stats_diff;x++){
394	>	*entries = diff_count;
395	>	return diff;
396	>	}
397
398	<	if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
399	<	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
400	<	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
401	<	network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
398	>	int sg_network_io_compare_name(const void *va, const void *vb) {
399	>	const sg_network_io_stats *a = (const sg_network_io_stats *)va;
400	>	const sg_network_io_stats *b = (const sg_network_io_stats *)vb;
401	>
402	>	return strcmp(a->interface_name, b->interface_name);
403	>	}
404	>
405	>	/* NETWORK INTERFACE STATS */
406	>
407	>	static void network_iface_stat_init(sg_network_iface_stats *s) {
408	>	s->interface_name = NULL;
409	>	s->speed = 0;
410	>	s->duplex = SG_IFACE_DUPLEX_UNKNOWN;
411	>	}
412	>
413	>	static void network_iface_stat_destroy(sg_network_iface_stats *s) {
414	>	free(s->interface_name);
415	>	}
416	>
417	>	sg_network_iface_stats *sg_get_network_iface_stats(int *entries){
418	>	VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
419	>	network_iface_stat_init, network_iface_stat_destroy);
420	>	sg_network_iface_stats *network_iface_stat_ptr;
421	>	int ifaces = 0;
422	>
423	>	#ifdef SOLARIS
424	>	kstat_ctl_t *kc;
425	>	kstat_t *ksp;
426	>	kstat_named_t *knp;
427	>	int sock;
428	>	#endif
429	>	#ifdef ALLBSD
430	>	struct ifaddrs *net, *net_ptr;
431	>	struct ifmediareq ifmed;
432	>	struct ifreq ifr;
433	>	int sock;
434	>	int x;
435	>	#endif
436	>	#ifdef LINUX
437	>	FILE *f;
438	>	/* Horrible big enough, but it should be easily big enough */
439	>	char line[8096];
440	>	int sock;
441	>	#endif
442	>
443	>	#ifdef ALLBSD
444	>	if(getifaddrs(&net) != 0){
445	>	sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL);
446	>	return NULL;
447	>	}
448	>
449	>	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
450	>
451	>	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
452	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
453	>
454	>	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
455	>	return NULL;
456	>	}
457	>	network_iface_stat_ptr = network_iface_stats + ifaces;
458	>
459	>	memset(&ifr, 0, sizeof(ifr));
460	>	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
461	>
462	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
463	>	continue;
464	>	}
465	>	if((ifr.ifr_flags & IFF_UP) != 0){
466	>	network_iface_stat_ptr->up = 1;
467		}else{
468	<
469	<	network_stats_ptr=network_stats;
470	<	for(y=0;y<ifaces;y++){
471	<	if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
472	<	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
473	<	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
474	<	network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
468	>	network_iface_stat_ptr->up = 0;
469	>	}
470	>
471	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
472	>	net_ptr->ifa_name) < 0) {
473	>	return NULL;
474	>	}
475	>
476	>	network_iface_stat_ptr->speed = 0;
477	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
478	>	ifaces++;
479	>
480	>	memset(&ifmed, 0, sizeof(struct ifmediareq));
481	>	sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
482	>	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
483	>	/* Not all interfaces support the media ioctls. */
484	>	continue;
485	>	}
486	>
487	>	/* We may need to change this if we start doing wireless devices too */
488	>	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
489	>	/* Not a ETHER device */
490	>	continue;
491	>	}
492	>
493	>	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
494	>	x = ifmed.ifm_active & 0x0f;
495	>	switch(x){
496	>	/* 10 Mbit connections. Speedy :) */
497	>	case(IFM_10_T):
498	>	case(IFM_10_2):
499	>	case(IFM_10_5):
500	>	case(IFM_10_STP):
501	>	case(IFM_10_FL):
502	>	network_iface_stat_ptr->speed = 10;
503	>	break;
504	>	/* 100 Mbit conneections */
505	>	case(IFM_100_TX):
506	>	case(IFM_100_FX):
507	>	case(IFM_100_T4):
508	>	case(IFM_100_VG):
509	>	case(IFM_100_T2):
510	>	network_iface_stat_ptr->speed = 100;
511	>	break;
512	>	/* 1000 Mbit connections */
513	>	case(IFM_1000_SX):
514	>	case(IFM_1000_LX):
515	>	case(IFM_1000_CX):
516	>	#if defined(IFM_1000_TX) && !defined(OPENBSD)
517	>	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
518	>	#endif
519	>	#ifdef IFM_1000_FX
520	>	case(IFM_1000_FX): /* FreeBSD 4 */
521	>	#endif
522	>	#ifdef IFM_1000_T
523	>	case(IFM_1000_T): /* FreeBSD 5 */
524	>	#endif
525	>	network_iface_stat_ptr->speed = 1000;
526	>	break;
527	>	/* We don't know what it is */
528	>	default:
529	>	network_iface_stat_ptr->speed = 0;
530	>	break;
531	>	}
532	>
533	>	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
534	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL;
535	>	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
536	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF;
537	>	}else{
538	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
539	>	}
540	>
541	>	}
542	>	freeifaddrs(net);
543	>	close(sock);
544	>	#endif
545	>
546	>	#ifdef SOLARIS
547	>	if ((kc = kstat_open()) == NULL) {
548	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
549	>	return NULL;
550	>	}
551	>
552	>	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
553	>	sg_set_error_with_errno(SG_ERROR_SOCKET, NULL);
554	>	return NULL;
555	>	}
556	>
557	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
558	>	if (!strcmp(ksp->ks_class, "net")) {
559	>	struct ifreq ifr;
560	>
561	>	kstat_read(kc, ksp, NULL);
562	>
563	>	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
564	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
565	>	/* Not a network interface. */
566	>	continue;
567	>	}
568	>
569	>	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
570	>	return NULL;
571	>	}
572	>	network_iface_stat_ptr = network_iface_stats + ifaces;
573	>	ifaces++;
574	>
575	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
576	>	ksp->ks_name) < 0) {
577	>	return NULL;
578	>	}
579	>
580	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
581	>	network_iface_stat_ptr->up = 1;
582	>	} else {
583	>	network_iface_stat_ptr->up = 1;
584	>	}
585	>
586	>	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
587	>	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
588	>	} else {
589	>	network_iface_stat_ptr->speed = 0;
590	>	}
591	>
592	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
593	>	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
594	>	switch (knp->value.ui32) {
595	>	case 1:
596	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF;
597		break;
598	+	case 2:
599	+	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL;
600	+	break;
601		}
602	+	}
603	+	}
604	+	}
605
606	<	network_stats_ptr++;
607	<	}
606	>	close(sock);
607	>	kstat_close(kc);
608	>	#endif
609	>	#ifdef LINUX
610	>	f = fopen("/proc/net/dev", "r");
611	>	if(f == NULL){
612	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev");
613	>	return NULL;
614	>	}
615	>
616	>	/* Setup stuff so we can do the ioctl to get the info */
617	>	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
618	>	sg_set_error_with_errno(SG_ERROR_SOCKET, NULL);
619	>	return NULL;
620	>	}
621	>
622	>	/* Ignore first 2 lines.. Just headings */
623	>	if((fgets(line, sizeof(line), f)) == NULL) {
624	>	sg_set_error(SG_ERROR_PARSE, NULL);
625	>	return NULL;
626	>	}
627	>	if((fgets(line, sizeof(line), f)) == NULL) {
628	>	sg_set_error(SG_ERROR_PARSE, NULL);
629	>	return NULL;
630	>	}
631	>
632	>	while((fgets(line, sizeof(line), f)) != NULL){
633	>	char *name, *ptr;
634	>	struct ifreq ifr;
635	>	struct ethtool_cmd ethcmd;
636	>	int err;
637	>
638	>	/* Get the interface name */
639	>	ptr = strchr(line, ':');
640	>	if (ptr == NULL) continue;
641	>	*ptr='\0';
642	>	name = line;
643	>	while(isspace(*(name))){
644	>	name++;
645		}
646
647	<	network_stats_ptr++;
648	<	network_stats_diff_ptr++;
647	>	memset(&ifr, 0, sizeof ifr);
648	>	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
649	>
650	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
651	>	continue;
652	>	}
653	>
654	>	/* We have a good interface to add */
655	>	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
656	>	return NULL;
657	>	}
658	>	network_iface_stat_ptr = network_iface_stats + ifaces;
659	>
660	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
661	>	name) < 0) {
662	>	return NULL;
663	>	}
664	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
665	>	network_iface_stat_ptr->up = 1;
666	>	} else {
667	>	network_iface_stat_ptr->up = 0;
668	>	}
669	>
670	>	memset(&ethcmd, 0, sizeof ethcmd);
671	>	ethcmd.cmd = ETHTOOL_GSET;
672	>	ifr.ifr_data = (caddr_t) &ethcmd;
673	>
674	>	err = ioctl(sock, SIOCETHTOOL, &ifr);
675	>	if (err == 0) {
676	>	network_iface_stat_ptr->speed = ethcmd.speed;
677	>
678	>	switch (ethcmd.duplex) {
679	>	case DUPLEX_FULL:
680	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL;
681	>	break;
682	>	case DUPLEX_HALF:
683	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF;
684	>	break;
685	>	default:
686	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
687	>	}
688	>	} else {
689	>	/* Not all interfaces support the ethtool ioctl. */
690	>	network_iface_stat_ptr->speed = 0;
691	>	network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN;
692	>	}
693	>
694	>	ifaces++;
695		}
696	+	close(sock);
697	+	fclose(f);
698	+	#endif
699	+	#ifdef CYGWIN
700	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
701	+	return NULL;
702	+	#endif
703	+	#ifdef HPUX
704	+	sg_set_error(SG_ERROR_UNSUPPORTED, "HP-UX");
705	+	return NULL;
706	+	#endif
707
708	<	*entries=sizeof_net_stats_diff;
709	<	return network_stats_diff;
710	<	}
708	>	#ifdef SG_ENABLE_DEPRECATED
709	>	network_iface_stat_ptr->dup = network_iface_stat_ptr->duplex;
710	>	#endif
711	>
712	>	*entries = ifaces;
713	>	return network_iface_stats;
714	>	}
715	>
716	>	int sg_network_iface_compare_name(const void *va, const void *vb) {
717	>	const sg_network_iface_stats *a = (const sg_network_iface_stats *)va;
718	>	const sg_network_iface_stats *b = (const sg_network_iface_stats *)vb;
719	>
720	>	return strcmp(a->interface_name, b->interface_name);
721	>	}
722

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