1 |
/* |
2 |
* i-scream libstatgrab |
3 |
* http://www.i-scream.org |
4 |
* Copyright (C) 2000-2004 i-scream |
5 |
* |
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 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 GNU |
14 |
* Lesser General Public License for more details. |
15 |
* |
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: network_stats.c,v 1.76 2005/09/24 13:29:22 tdb Exp $ |
22 |
*/ |
23 |
|
24 |
#ifdef HAVE_CONFIG_H |
25 |
#include "config.h" |
26 |
#endif |
27 |
|
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 <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 WIN32 |
74 |
#include <windows.h> |
75 |
#include <Iphlpapi.h> |
76 |
#include "win32.h" |
77 |
#endif |
78 |
|
79 |
static void network_stat_init(sg_network_io_stats *s) { |
80 |
s->interface_name = NULL; |
81 |
s->tx = 0; |
82 |
s->rx = 0; |
83 |
s->ipackets = 0; |
84 |
s->opackets = 0; |
85 |
s->ierrors = 0; |
86 |
s->oerrors = 0; |
87 |
s->collisions = 0; |
88 |
} |
89 |
|
90 |
static void network_stat_destroy(sg_network_io_stats *s) { |
91 |
free(s->interface_name); |
92 |
} |
93 |
|
94 |
VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5, |
95 |
network_stat_init, network_stat_destroy); |
96 |
|
97 |
#ifdef WIN32 |
98 |
static PMIB_IFTABLE win32_get_devices() |
99 |
{ |
100 |
PMIB_IFTABLE if_table; |
101 |
PMIB_IFTABLE tmp; |
102 |
unsigned long dwSize = 0; |
103 |
|
104 |
// Allocate memory for pointers |
105 |
if_table = sg_malloc(sizeof(MIB_IFTABLE)); |
106 |
if(if_table == NULL) { |
107 |
return NULL; |
108 |
} |
109 |
|
110 |
// Get necessary size for the buffer |
111 |
if(GetIfTable(if_table, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) { |
112 |
tmp = sg_realloc(if_table, dwSize); |
113 |
if(tmp == NULL) { |
114 |
free(if_table); |
115 |
return NULL; |
116 |
} |
117 |
if_table = tmp; |
118 |
} |
119 |
|
120 |
// Get the data |
121 |
if(GetIfTable(if_table, &dwSize, 0) != NO_ERROR) { |
122 |
free(if_table); |
123 |
return NULL; |
124 |
} |
125 |
return if_table; |
126 |
} |
127 |
#endif /* WIN32 */ |
128 |
|
129 |
sg_network_io_stats *sg_get_network_io_stats(int *entries){ |
130 |
int interfaces; |
131 |
sg_network_io_stats *network_stat_ptr; |
132 |
|
133 |
#ifdef SOLARIS |
134 |
kstat_ctl_t *kc; |
135 |
kstat_t *ksp; |
136 |
kstat_named_t *knp; |
137 |
#endif |
138 |
|
139 |
#ifdef LINUX |
140 |
FILE *f; |
141 |
/* Horrible big enough, but it should be easily big enough */ |
142 |
char line[8096]; |
143 |
regex_t regex; |
144 |
regmatch_t line_match[9]; |
145 |
#endif |
146 |
#ifdef ALLBSD |
147 |
struct ifaddrs *net, *net_ptr; |
148 |
struct if_data *net_data; |
149 |
#endif |
150 |
#ifdef WIN32 |
151 |
PMIB_IFTABLE if_table; |
152 |
MIB_IFROW if_row; |
153 |
int i, no, j; |
154 |
|
155 |
/* used for duplicate interface names. 5 for space, hash, up to two |
156 |
* numbers and terminating slash */ |
157 |
char buf[5]; |
158 |
#endif |
159 |
|
160 |
#ifdef ALLBSD |
161 |
if(getifaddrs(&net) != 0){ |
162 |
sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL); |
163 |
return NULL; |
164 |
} |
165 |
|
166 |
interfaces=0; |
167 |
|
168 |
for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){ |
169 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
170 |
|
171 |
if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
172 |
return NULL; |
173 |
} |
174 |
network_stat_ptr=network_stats+interfaces; |
175 |
|
176 |
if (sg_update_string(&network_stat_ptr->interface_name, |
177 |
net_ptr->ifa_name) < 0) { |
178 |
return NULL; |
179 |
} |
180 |
net_data=(struct if_data *)net_ptr->ifa_data; |
181 |
network_stat_ptr->rx=net_data->ifi_ibytes; |
182 |
network_stat_ptr->tx=net_data->ifi_obytes; |
183 |
network_stat_ptr->ipackets=net_data->ifi_ipackets; |
184 |
network_stat_ptr->opackets=net_data->ifi_opackets; |
185 |
network_stat_ptr->ierrors=net_data->ifi_ierrors; |
186 |
network_stat_ptr->oerrors=net_data->ifi_oerrors; |
187 |
network_stat_ptr->collisions=net_data->ifi_collisions; |
188 |
network_stat_ptr->systime=time(NULL); |
189 |
interfaces++; |
190 |
} |
191 |
freeifaddrs(net); |
192 |
#endif |
193 |
|
194 |
#ifdef SOLARIS |
195 |
if ((kc = kstat_open()) == NULL) { |
196 |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
197 |
return NULL; |
198 |
} |
199 |
|
200 |
interfaces=0; |
201 |
|
202 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
203 |
if (strcmp(ksp->ks_class, "net") == 0) { |
204 |
kstat_read(kc, ksp, NULL); |
205 |
|
206 |
#ifdef SOL7 |
207 |
#define LRX "rbytes" |
208 |
#define LTX "obytes" |
209 |
#define LIPACKETS "ipackets" |
210 |
#define LOPACKETS "opackets" |
211 |
#define VALTYPE value.ui32 |
212 |
#else |
213 |
#define LRX "rbytes64" |
214 |
#define LTX "obytes64" |
215 |
#define LIPACKETS "ipackets64" |
216 |
#define LOPACKETS "opackets64" |
217 |
#define VALTYPE value.ui64 |
218 |
#endif |
219 |
|
220 |
/* Read rx */ |
221 |
if((knp=kstat_data_lookup(ksp, LRX))==NULL){ |
222 |
/* This is a network interface, but it doesn't |
223 |
* have the rbytes/obytes values; for instance, |
224 |
* the loopback devices have this behaviour |
225 |
* (although they do track packets in/out). */ |
226 |
/* FIXME: Show packet counts when byte counts |
227 |
* not available. */ |
228 |
continue; |
229 |
} |
230 |
|
231 |
/* Create new network_stats */ |
232 |
if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
233 |
return NULL; |
234 |
} |
235 |
network_stat_ptr=network_stats+interfaces; |
236 |
|
237 |
/* Finish reading rx */ |
238 |
network_stat_ptr->rx=knp->VALTYPE; |
239 |
|
240 |
/* Read tx */ |
241 |
if((knp=kstat_data_lookup(ksp, LTX))==NULL){ |
242 |
continue; |
243 |
} |
244 |
network_stat_ptr->tx=knp->VALTYPE; |
245 |
|
246 |
/* Read ipackets */ |
247 |
if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){ |
248 |
continue; |
249 |
} |
250 |
network_stat_ptr->ipackets=knp->VALTYPE; |
251 |
|
252 |
/* Read opackets */ |
253 |
if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){ |
254 |
continue; |
255 |
} |
256 |
network_stat_ptr->opackets=knp->VALTYPE; |
257 |
|
258 |
/* Read ierrors */ |
259 |
if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){ |
260 |
continue; |
261 |
} |
262 |
network_stat_ptr->ierrors=knp->value.ui32; |
263 |
|
264 |
/* Read oerrors */ |
265 |
if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){ |
266 |
continue; |
267 |
} |
268 |
network_stat_ptr->oerrors=knp->value.ui32; |
269 |
|
270 |
/* Read collisions */ |
271 |
if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){ |
272 |
continue; |
273 |
} |
274 |
network_stat_ptr->collisions=knp->value.ui32; |
275 |
|
276 |
/* Read interface name */ |
277 |
if (sg_update_string(&network_stat_ptr->interface_name, |
278 |
ksp->ks_name) < 0) { |
279 |
return NULL; |
280 |
} |
281 |
|
282 |
/* Store systime */ |
283 |
network_stat_ptr->systime=time(NULL); |
284 |
|
285 |
interfaces++; |
286 |
} |
287 |
} |
288 |
|
289 |
kstat_close(kc); |
290 |
#endif |
291 |
#ifdef LINUX |
292 |
f=fopen("/proc/net/dev", "r"); |
293 |
if(f==NULL){ |
294 |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev"); |
295 |
return NULL; |
296 |
} |
297 |
/* read the 2 lines.. Its the title, so we dont care :) */ |
298 |
fgets(line, sizeof(line), f); |
299 |
fgets(line, sizeof(line), f); |
300 |
|
301 |
|
302 |
if((regcomp(®ex, "^ *([^:]+): *([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){ |
303 |
sg_set_error(SG_ERROR_PARSE, NULL); |
304 |
return NULL; |
305 |
} |
306 |
|
307 |
interfaces=0; |
308 |
|
309 |
while((fgets(line, sizeof(line), f)) != NULL){ |
310 |
if((regexec(®ex, line, 9, line_match, 0))!=0){ |
311 |
continue; |
312 |
} |
313 |
|
314 |
if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) { |
315 |
return NULL; |
316 |
} |
317 |
network_stat_ptr=network_stats+interfaces; |
318 |
|
319 |
if(network_stat_ptr->interface_name!=NULL){ |
320 |
free(network_stat_ptr->interface_name); |
321 |
} |
322 |
|
323 |
network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]); |
324 |
network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]); |
325 |
network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]); |
326 |
network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]); |
327 |
network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]); |
328 |
network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]); |
329 |
network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]); |
330 |
network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]); |
331 |
network_stat_ptr->systime=time(NULL); |
332 |
|
333 |
interfaces++; |
334 |
} |
335 |
fclose(f); |
336 |
regfree(®ex); |
337 |
|
338 |
#endif |
339 |
|
340 |
#ifdef CYGWIN |
341 |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
342 |
return NULL; |
343 |
#endif |
344 |
#ifdef HPUX |
345 |
sg_set_error(SG_ERROR_UNSUPPORTED, "HP-UX"); |
346 |
return NULL; |
347 |
#endif |
348 |
|
349 |
#ifdef WIN32 |
350 |
interfaces = 0; |
351 |
|
352 |
if((if_table = win32_get_devices()) == NULL) { |
353 |
sg_set_error(SG_ERROR_DEVICES, "network"); |
354 |
return NULL; |
355 |
} |
356 |
|
357 |
if(VECTOR_RESIZE(network_stats, if_table->dwNumEntries) < 0) { |
358 |
free(if_table); |
359 |
return NULL; |
360 |
} |
361 |
|
362 |
for (i=0; i<if_table->dwNumEntries; i++) { |
363 |
network_stat_ptr=network_stats+i; |
364 |
if_row = if_table->table[i]; |
365 |
|
366 |
if(sg_update_string(&network_stat_ptr->interface_name, |
367 |
if_row.bDescr) < 0) { |
368 |
free(if_table); |
369 |
return NULL; |
370 |
} |
371 |
network_stat_ptr->tx = if_row.dwOutOctets; |
372 |
network_stat_ptr->rx = if_row.dwInOctets; |
373 |
network_stat_ptr->ipackets = if_row.dwInUcastPkts + if_row.dwInNUcastPkts; |
374 |
network_stat_ptr->opackets = if_row.dwOutUcastPkts + if_row.dwOutNUcastPkts; |
375 |
network_stat_ptr->ierrors = if_row.dwInErrors; |
376 |
network_stat_ptr->oerrors = if_row.dwOutErrors; |
377 |
network_stat_ptr->collisions = 0; /* can't do that */ |
378 |
network_stat_ptr->systime = time(NULL); |
379 |
|
380 |
interfaces++; |
381 |
} |
382 |
free(if_table); |
383 |
|
384 |
/* Please say there's a nicer way to do this... If windows has two (or |
385 |
* more) identical network cards, GetIfTable returns them with the same |
386 |
* name, not like in Device Manager where the other has a #2 etc after |
387 |
* it. So, add the #number here. Should we be doing this? Or should the |
388 |
* end programs be dealing with duplicate names? Currently breaks |
389 |
* watch.pl in rrdgraphing. But Unix does not have the issue of |
390 |
* duplicate net device names. |
391 |
*/ |
392 |
for (i=0; i<interfaces; i++) { |
393 |
no = 2; |
394 |
for(j=i+1; j<interfaces; j++) { |
395 |
network_stat_ptr=network_stats+j; |
396 |
if(strcmp(network_stats[i].interface_name, |
397 |
network_stat_ptr->interface_name) == 0) { |
398 |
if(snprintf(buf, sizeof(buf), " #%d", no) < 0) { |
399 |
break; |
400 |
} |
401 |
if(sg_concat_string(&network_stat_ptr->interface_name, buf) != 0) { |
402 |
return NULL; |
403 |
} |
404 |
|
405 |
no++; |
406 |
} |
407 |
} |
408 |
} |
409 |
#endif |
410 |
|
411 |
*entries=interfaces; |
412 |
|
413 |
return network_stats; |
414 |
} |
415 |
|
416 |
static long long transfer_diff(long long new, long long old){ |
417 |
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD) || defined(WIN32) |
418 |
/* 32-bit quantities, so we must explicitly deal with wraparound. */ |
419 |
#define MAXVAL 0x100000000LL |
420 |
if (new >= old) { |
421 |
return new - old; |
422 |
} else { |
423 |
return MAXVAL + new - old; |
424 |
} |
425 |
#else |
426 |
/* 64-bit quantities, so plain subtraction works. */ |
427 |
return new - old; |
428 |
#endif |
429 |
} |
430 |
|
431 |
sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) { |
432 |
VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1, |
433 |
network_stat_init, network_stat_destroy); |
434 |
sg_network_io_stats *src = NULL, *dest; |
435 |
int i, j, diff_count, new_count; |
436 |
|
437 |
if (network_stats == NULL) { |
438 |
/* No previous stats, so we can't calculate a difference. */ |
439 |
return sg_get_network_io_stats(entries); |
440 |
} |
441 |
|
442 |
/* Resize the results array to match the previous stats. */ |
443 |
diff_count = VECTOR_SIZE(network_stats); |
444 |
if (VECTOR_RESIZE(diff, diff_count) < 0) { |
445 |
return NULL; |
446 |
} |
447 |
|
448 |
/* Copy the previous stats into the result. */ |
449 |
for (i = 0; i < diff_count; i++) { |
450 |
src = &network_stats[i]; |
451 |
dest = &diff[i]; |
452 |
|
453 |
if (sg_update_string(&dest->interface_name, |
454 |
src->interface_name) < 0) { |
455 |
return NULL; |
456 |
} |
457 |
dest->rx = src->rx; |
458 |
dest->tx = src->tx; |
459 |
dest->ipackets = src->ipackets; |
460 |
dest->opackets = src->opackets; |
461 |
dest->ierrors = src->ierrors; |
462 |
dest->oerrors = src->oerrors; |
463 |
dest->collisions = src->collisions; |
464 |
dest->systime = src->systime; |
465 |
} |
466 |
|
467 |
/* Get a new set of stats. */ |
468 |
if (sg_get_network_io_stats(&new_count) == NULL) { |
469 |
return NULL; |
470 |
} |
471 |
|
472 |
/* For each previous stat... */ |
473 |
for (i = 0; i < diff_count; i++) { |
474 |
dest = &diff[i]; |
475 |
|
476 |
/* ... find the corresponding new stat ... */ |
477 |
for (j = 0; j < new_count; j++) { |
478 |
/* Try the new stat in the same position first, |
479 |
since that's most likely to be it. */ |
480 |
src = &network_stats[(i + j) % new_count]; |
481 |
if (strcmp(src->interface_name, dest->interface_name) == 0) { |
482 |
break; |
483 |
} |
484 |
} |
485 |
if (j == new_count) { |
486 |
/* No match found. */ |
487 |
continue; |
488 |
} |
489 |
|
490 |
/* ... and subtract the previous stat from it to get the |
491 |
difference. */ |
492 |
dest->rx = transfer_diff(src->rx, dest->rx); |
493 |
dest->tx = transfer_diff(src->tx, dest->tx); |
494 |
dest->ipackets = transfer_diff(src->ipackets, dest->ipackets); |
495 |
dest->opackets = transfer_diff(src->opackets, dest->opackets); |
496 |
dest->ierrors = transfer_diff(src->ierrors, dest->ierrors); |
497 |
dest->oerrors = transfer_diff(src->oerrors, dest->oerrors); |
498 |
dest->collisions = transfer_diff(src->collisions, dest->collisions); |
499 |
dest->systime = src->systime - dest->systime; |
500 |
} |
501 |
|
502 |
*entries = diff_count; |
503 |
return diff; |
504 |
} |
505 |
|
506 |
int sg_network_io_compare_name(const void *va, const void *vb) { |
507 |
const sg_network_io_stats *a = (const sg_network_io_stats *)va; |
508 |
const sg_network_io_stats *b = (const sg_network_io_stats *)vb; |
509 |
|
510 |
return strcmp(a->interface_name, b->interface_name); |
511 |
} |
512 |
|
513 |
/* NETWORK INTERFACE STATS */ |
514 |
|
515 |
static void network_iface_stat_init(sg_network_iface_stats *s) { |
516 |
s->interface_name = NULL; |
517 |
s->speed = 0; |
518 |
s->duplex = SG_IFACE_DUPLEX_UNKNOWN; |
519 |
} |
520 |
|
521 |
static void network_iface_stat_destroy(sg_network_iface_stats *s) { |
522 |
free(s->interface_name); |
523 |
} |
524 |
|
525 |
sg_network_iface_stats *sg_get_network_iface_stats(int *entries){ |
526 |
VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5, |
527 |
network_iface_stat_init, network_iface_stat_destroy); |
528 |
sg_network_iface_stats *network_iface_stat_ptr; |
529 |
int ifaces = 0; |
530 |
|
531 |
#ifdef SOLARIS |
532 |
kstat_ctl_t *kc; |
533 |
kstat_t *ksp; |
534 |
kstat_named_t *knp; |
535 |
int sock; |
536 |
#endif |
537 |
#ifdef ALLBSD |
538 |
struct ifaddrs *net, *net_ptr; |
539 |
struct ifmediareq ifmed; |
540 |
struct ifreq ifr; |
541 |
int sock; |
542 |
int x; |
543 |
#endif |
544 |
#ifdef LINUX |
545 |
FILE *f; |
546 |
/* Horrible big enough, but it should be easily big enough */ |
547 |
char line[8096]; |
548 |
int sock; |
549 |
#endif |
550 |
#ifdef WIN32 |
551 |
PMIB_IFTABLE if_table; |
552 |
MIB_IFROW if_row; |
553 |
int i,j,no; |
554 |
char buf[5]; |
555 |
#endif |
556 |
|
557 |
#ifdef ALLBSD |
558 |
if(getifaddrs(&net) != 0){ |
559 |
sg_set_error_with_errno(SG_ERROR_GETIFADDRS, NULL); |
560 |
return NULL; |
561 |
} |
562 |
|
563 |
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL; |
564 |
|
565 |
for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){ |
566 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
567 |
|
568 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
569 |
return NULL; |
570 |
} |
571 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
572 |
|
573 |
memset(&ifr, 0, sizeof(ifr)); |
574 |
strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name)); |
575 |
|
576 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){ |
577 |
continue; |
578 |
} |
579 |
if((ifr.ifr_flags & IFF_UP) != 0){ |
580 |
network_iface_stat_ptr->up = 1; |
581 |
}else{ |
582 |
network_iface_stat_ptr->up = 0; |
583 |
} |
584 |
|
585 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
586 |
net_ptr->ifa_name) < 0) { |
587 |
return NULL; |
588 |
} |
589 |
|
590 |
network_iface_stat_ptr->speed = 0; |
591 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN; |
592 |
ifaces++; |
593 |
|
594 |
memset(&ifmed, 0, sizeof(struct ifmediareq)); |
595 |
sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name)); |
596 |
if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){ |
597 |
/* Not all interfaces support the media ioctls. */ |
598 |
continue; |
599 |
} |
600 |
|
601 |
/* We may need to change this if we start doing wireless devices too */ |
602 |
if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){ |
603 |
/* Not a ETHER device */ |
604 |
continue; |
605 |
} |
606 |
|
607 |
/* Only intrested in the first 4 bits) - Assuming only ETHER devices */ |
608 |
x = ifmed.ifm_active & 0x0f; |
609 |
switch(x){ |
610 |
/* 10 Mbit connections. Speedy :) */ |
611 |
case(IFM_10_T): |
612 |
case(IFM_10_2): |
613 |
case(IFM_10_5): |
614 |
case(IFM_10_STP): |
615 |
case(IFM_10_FL): |
616 |
network_iface_stat_ptr->speed = 10; |
617 |
break; |
618 |
/* 100 Mbit conneections */ |
619 |
case(IFM_100_TX): |
620 |
case(IFM_100_FX): |
621 |
case(IFM_100_T4): |
622 |
case(IFM_100_VG): |
623 |
case(IFM_100_T2): |
624 |
network_iface_stat_ptr->speed = 100; |
625 |
break; |
626 |
/* 1000 Mbit connections */ |
627 |
case(IFM_1000_SX): |
628 |
case(IFM_1000_LX): |
629 |
case(IFM_1000_CX): |
630 |
#if defined(IFM_1000_TX) && !defined(OPENBSD) |
631 |
case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */ |
632 |
#endif |
633 |
#ifdef IFM_1000_FX |
634 |
case(IFM_1000_FX): /* FreeBSD 4 */ |
635 |
#endif |
636 |
#ifdef IFM_1000_T |
637 |
case(IFM_1000_T): /* FreeBSD 5 */ |
638 |
#endif |
639 |
network_iface_stat_ptr->speed = 1000; |
640 |
break; |
641 |
/* We don't know what it is */ |
642 |
default: |
643 |
network_iface_stat_ptr->speed = 0; |
644 |
break; |
645 |
} |
646 |
|
647 |
if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){ |
648 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL; |
649 |
}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){ |
650 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF; |
651 |
}else{ |
652 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN; |
653 |
} |
654 |
|
655 |
} |
656 |
freeifaddrs(net); |
657 |
close(sock); |
658 |
#endif |
659 |
|
660 |
#ifdef SOLARIS |
661 |
if ((kc = kstat_open()) == NULL) { |
662 |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
663 |
return NULL; |
664 |
} |
665 |
|
666 |
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
667 |
sg_set_error_with_errno(SG_ERROR_SOCKET, NULL); |
668 |
return NULL; |
669 |
} |
670 |
|
671 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
672 |
if (strcmp(ksp->ks_class, "net") == 0) { |
673 |
struct ifreq ifr; |
674 |
|
675 |
kstat_read(kc, ksp, NULL); |
676 |
|
677 |
strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name); |
678 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
679 |
/* Not a network interface. */ |
680 |
continue; |
681 |
} |
682 |
|
683 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
684 |
return NULL; |
685 |
} |
686 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
687 |
ifaces++; |
688 |
|
689 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
690 |
ksp->ks_name) < 0) { |
691 |
return NULL; |
692 |
} |
693 |
|
694 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
695 |
network_iface_stat_ptr->up = 1; |
696 |
} else { |
697 |
network_iface_stat_ptr->up = 0; |
698 |
} |
699 |
|
700 |
if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) { |
701 |
network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000); |
702 |
} else { |
703 |
network_iface_stat_ptr->speed = 0; |
704 |
} |
705 |
|
706 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN; |
707 |
if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) { |
708 |
switch (knp->value.ui32) { |
709 |
case 1: |
710 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF; |
711 |
break; |
712 |
case 2: |
713 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL; |
714 |
break; |
715 |
} |
716 |
} |
717 |
} |
718 |
} |
719 |
|
720 |
close(sock); |
721 |
kstat_close(kc); |
722 |
#endif |
723 |
#ifdef LINUX |
724 |
f = fopen("/proc/net/dev", "r"); |
725 |
if(f == NULL){ |
726 |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/net/dev"); |
727 |
return NULL; |
728 |
} |
729 |
|
730 |
/* Setup stuff so we can do the ioctl to get the info */ |
731 |
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){ |
732 |
sg_set_error_with_errno(SG_ERROR_SOCKET, NULL); |
733 |
return NULL; |
734 |
} |
735 |
|
736 |
/* Ignore first 2 lines.. Just headings */ |
737 |
if((fgets(line, sizeof(line), f)) == NULL) { |
738 |
sg_set_error(SG_ERROR_PARSE, NULL); |
739 |
return NULL; |
740 |
} |
741 |
if((fgets(line, sizeof(line), f)) == NULL) { |
742 |
sg_set_error(SG_ERROR_PARSE, NULL); |
743 |
return NULL; |
744 |
} |
745 |
|
746 |
while((fgets(line, sizeof(line), f)) != NULL){ |
747 |
char *name, *ptr; |
748 |
struct ifreq ifr; |
749 |
struct ethtool_cmd ethcmd; |
750 |
int err; |
751 |
|
752 |
/* Get the interface name */ |
753 |
ptr = strchr(line, ':'); |
754 |
if (ptr == NULL) continue; |
755 |
*ptr='\0'; |
756 |
name = line; |
757 |
while(isspace(*(name))){ |
758 |
name++; |
759 |
} |
760 |
|
761 |
memset(&ifr, 0, sizeof ifr); |
762 |
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
763 |
|
764 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
765 |
continue; |
766 |
} |
767 |
|
768 |
/* We have a good interface to add */ |
769 |
if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) { |
770 |
return NULL; |
771 |
} |
772 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
773 |
|
774 |
if (sg_update_string(&network_iface_stat_ptr->interface_name, |
775 |
name) < 0) { |
776 |
return NULL; |
777 |
} |
778 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
779 |
network_iface_stat_ptr->up = 1; |
780 |
} else { |
781 |
network_iface_stat_ptr->up = 0; |
782 |
} |
783 |
|
784 |
memset(ðcmd, 0, sizeof ethcmd); |
785 |
ethcmd.cmd = ETHTOOL_GSET; |
786 |
ifr.ifr_data = (caddr_t) ðcmd; |
787 |
|
788 |
err = ioctl(sock, SIOCETHTOOL, &ifr); |
789 |
if (err == 0) { |
790 |
network_iface_stat_ptr->speed = ethcmd.speed; |
791 |
|
792 |
switch (ethcmd.duplex) { |
793 |
case DUPLEX_FULL: |
794 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_FULL; |
795 |
break; |
796 |
case DUPLEX_HALF: |
797 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_HALF; |
798 |
break; |
799 |
default: |
800 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN; |
801 |
} |
802 |
} else { |
803 |
/* Not all interfaces support the ethtool ioctl. */ |
804 |
network_iface_stat_ptr->speed = 0; |
805 |
network_iface_stat_ptr->duplex = SG_IFACE_DUPLEX_UNKNOWN; |
806 |
} |
807 |
|
808 |
ifaces++; |
809 |
} |
810 |
close(sock); |
811 |
fclose(f); |
812 |
#endif |
813 |
#ifdef CYGWIN |
814 |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
815 |
return NULL; |
816 |
#endif |
817 |
#ifdef HPUX |
818 |
sg_set_error(SG_ERROR_UNSUPPORTED, "HP-UX"); |
819 |
return NULL; |
820 |
#endif |
821 |
#ifdef WIN32 |
822 |
ifaces = 0; |
823 |
|
824 |
if((if_table = win32_get_devices()) == NULL) { |
825 |
sg_set_error(SG_ERROR_DEVICES, "network interfaces"); |
826 |
return NULL; |
827 |
} |
828 |
|
829 |
if(VECTOR_RESIZE(network_iface_stats, if_table->dwNumEntries) < 0) { |
830 |
free(if_table); |
831 |
return NULL; |
832 |
} |
833 |
|
834 |
for(i=0; i<if_table->dwNumEntries; i++) { |
835 |
network_iface_stat_ptr=network_iface_stats+i; |
836 |
if_row = if_table->table[i]; |
837 |
|
838 |
if(sg_update_string(&network_iface_stat_ptr->interface_name, |
839 |
if_row.bDescr) < 0) { |
840 |
free(if_table); |
841 |
return NULL; |
842 |
} |
843 |
network_iface_stat_ptr->speed = if_row.dwSpeed /1000000; |
844 |
|
845 |
if((if_row.dwOperStatus == MIB_IF_OPER_STATUS_CONNECTED || |
846 |
if_row.dwOperStatus == |
847 |
MIB_IF_OPER_STATUS_OPERATIONAL) && |
848 |
if_row.dwAdminStatus == 1) { |
849 |
network_iface_stat_ptr->up = 1; |
850 |
} else { |
851 |
network_iface_stat_ptr->up = 0; |
852 |
} |
853 |
|
854 |
ifaces++; |
855 |
} |
856 |
free(if_table); |
857 |
|
858 |
/* again with the renumbering */ |
859 |
for (i=0; i<ifaces; i++) { |
860 |
no = 2; |
861 |
for(j=i+1; j<ifaces; j++) { |
862 |
network_iface_stat_ptr=network_iface_stats+j; |
863 |
if(strcmp(network_iface_stats[i].interface_name, |
864 |
network_iface_stat_ptr->interface_name) == 0) { |
865 |
if(snprintf(buf, sizeof(buf), " #%d", no) < 0) { |
866 |
break; |
867 |
} |
868 |
if(sg_concat_string(&network_iface_stat_ptr->interface_name, buf) != 0) { |
869 |
return NULL; |
870 |
} |
871 |
|
872 |
no++; |
873 |
} |
874 |
} |
875 |
} |
876 |
#endif |
877 |
|
878 |
#ifdef SG_ENABLE_DEPRECATED |
879 |
network_iface_stat_ptr->dup = network_iface_stat_ptr->duplex; |
880 |
#endif |
881 |
|
882 |
*entries = ifaces; |
883 |
return network_iface_stats; |
884 |
} |
885 |
|
886 |
int sg_network_iface_compare_name(const void *va, const void *vb) { |
887 |
const sg_network_iface_stats *a = (const sg_network_iface_stats *)va; |
888 |
const sg_network_iface_stats *b = (const sg_network_iface_stats *)vb; |
889 |
|
890 |
return strcmp(a->interface_name, b->interface_name); |
891 |
} |
892 |
|