1 |
/* |
2 |
* i-scream central monitoring system |
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 1.43 2004/02/14 15:48:42 ats 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 <time.h> |
32 |
#ifdef SOLARIS |
33 |
#include <kstat.h> |
34 |
#include <sys/sysinfo.h> |
35 |
#include <sys/types.h> |
36 |
#include <sys/socket.h> |
37 |
#include <sys/ioctl.h> |
38 |
#include <net/if.h> |
39 |
#include <netinet/in.h> |
40 |
#include <sys/sockio.h> |
41 |
#endif |
42 |
#ifdef LINUX |
43 |
#include <stdio.h> |
44 |
#include <sys/types.h> |
45 |
#include <regex.h> |
46 |
#include <sys/ioctl.h> |
47 |
#include <sys/socket.h> |
48 |
#include <net/if.h> |
49 |
#include <ctype.h> |
50 |
#include "tools.h" |
51 |
/* Stuff which could be defined by defining KERNEL, but |
52 |
* that would be a bad idea, so we'll just declare it here |
53 |
*/ |
54 |
typedef __uint8_t u8; |
55 |
typedef __uint16_t u16; |
56 |
typedef __uint32_t u32; |
57 |
typedef __uint64_t u64; |
58 |
#include <linux/ethtool.h> |
59 |
#include <linux/sockios.h> |
60 |
#include <unistd.h> |
61 |
#endif |
62 |
#ifdef ALLBSD |
63 |
#include <sys/types.h> |
64 |
#include <sys/socket.h> |
65 |
#include <ifaddrs.h> |
66 |
#include <net/if.h> |
67 |
#include <net/if_media.h> |
68 |
#include <sys/ioctl.h> |
69 |
#endif |
70 |
|
71 |
static network_stat_t *network_stats=NULL; |
72 |
static int interfaces=0; |
73 |
|
74 |
void network_stat_init(int start, int end, network_stat_t *net_stats){ |
75 |
|
76 |
for(net_stats+=start; start<end; start++){ |
77 |
net_stats->interface_name=NULL; |
78 |
net_stats->tx=0; |
79 |
net_stats->rx=0; |
80 |
net_stats++; |
81 |
} |
82 |
} |
83 |
|
84 |
network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){ |
85 |
|
86 |
if(net_stats==NULL){ |
87 |
|
88 |
if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){ |
89 |
return NULL; |
90 |
} |
91 |
network_stat_init(0, needed_entries, net_stats); |
92 |
*cur_entries=needed_entries; |
93 |
|
94 |
return net_stats; |
95 |
} |
96 |
|
97 |
|
98 |
if(*cur_entries<needed_entries){ |
99 |
net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries)); |
100 |
if(net_stats==NULL){ |
101 |
return NULL; |
102 |
} |
103 |
network_stat_init(*cur_entries, needed_entries, net_stats); |
104 |
*cur_entries=needed_entries; |
105 |
} |
106 |
|
107 |
return net_stats; |
108 |
} |
109 |
|
110 |
|
111 |
network_stat_t *get_network_stats(int *entries){ |
112 |
|
113 |
static int sizeof_network_stats=0; |
114 |
network_stat_t *network_stat_ptr; |
115 |
|
116 |
#ifdef SOLARIS |
117 |
kstat_ctl_t *kc; |
118 |
kstat_t *ksp; |
119 |
kstat_named_t *knp; |
120 |
#endif |
121 |
|
122 |
#ifdef LINUX |
123 |
FILE *f; |
124 |
/* Horrible big enough, but it should be easily big enough */ |
125 |
char line[8096]; |
126 |
regex_t regex; |
127 |
regmatch_t line_match[4]; |
128 |
#endif |
129 |
#ifdef ALLBSD |
130 |
struct ifaddrs *net, *net_ptr; |
131 |
struct if_data *net_data; |
132 |
#endif |
133 |
|
134 |
#ifdef ALLBSD |
135 |
if(getifaddrs(&net) != 0){ |
136 |
return NULL; |
137 |
} |
138 |
|
139 |
interfaces=0; |
140 |
|
141 |
for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){ |
142 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
143 |
network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
144 |
if(network_stats==NULL){ |
145 |
return NULL; |
146 |
} |
147 |
network_stat_ptr=network_stats+interfaces; |
148 |
|
149 |
if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name); |
150 |
network_stat_ptr->interface_name=strdup(net_ptr->ifa_name); |
151 |
if(network_stat_ptr->interface_name==NULL) return NULL; |
152 |
net_data=(struct if_data *)net_ptr->ifa_data; |
153 |
network_stat_ptr->rx=net_data->ifi_ibytes; |
154 |
network_stat_ptr->tx=net_data->ifi_obytes; |
155 |
network_stat_ptr->systime=time(NULL); |
156 |
interfaces++; |
157 |
} |
158 |
freeifaddrs(net); |
159 |
#endif |
160 |
|
161 |
#ifdef SOLARIS |
162 |
if ((kc = kstat_open()) == NULL) { |
163 |
return NULL; |
164 |
} |
165 |
|
166 |
interfaces=0; |
167 |
|
168 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
169 |
if (!strcmp(ksp->ks_class, "net")) { |
170 |
kstat_read(kc, ksp, NULL); |
171 |
|
172 |
#ifdef SOL7 |
173 |
#define RLOOKUP "rbytes" |
174 |
#define WLOOKUP "obytes" |
175 |
#define VALTYPE value.ui32 |
176 |
#else |
177 |
#define RLOOKUP "rbytes64" |
178 |
#define WLOOKUP "obytes64" |
179 |
#define VALTYPE value.ui64 |
180 |
#endif |
181 |
|
182 |
if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){ |
183 |
/* This is a network interface, but it doesn't |
184 |
* have the rbytes/obytes values; for instance, |
185 |
* the loopback devices have this behaviour |
186 |
* (although they do track packets in/out). */ |
187 |
continue; |
188 |
} |
189 |
|
190 |
network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
191 |
if(network_stats==NULL){ |
192 |
return NULL; |
193 |
} |
194 |
network_stat_ptr=network_stats+interfaces; |
195 |
network_stat_ptr->rx=knp->VALTYPE; |
196 |
|
197 |
if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){ |
198 |
continue; |
199 |
} |
200 |
network_stat_ptr->tx=knp->VALTYPE; |
201 |
if(network_stat_ptr->interface_name!=NULL){ |
202 |
free(network_stat_ptr->interface_name); |
203 |
} |
204 |
network_stat_ptr->interface_name=strdup(ksp->ks_name); |
205 |
|
206 |
network_stat_ptr->systime=time(NULL); |
207 |
interfaces++; |
208 |
} |
209 |
} |
210 |
|
211 |
kstat_close(kc); |
212 |
#endif |
213 |
#ifdef LINUX |
214 |
f=fopen("/proc/net/dev", "r"); |
215 |
if(f==NULL){ |
216 |
return NULL; |
217 |
} |
218 |
/* read the 2 lines.. Its the title, so we dont care :) */ |
219 |
fgets(line, sizeof(line), f); |
220 |
fgets(line, sizeof(line), f); |
221 |
|
222 |
|
223 |
if((regcomp(®ex, "^[[:space:]]*([^:]+):[[:space:]]*([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)", REG_EXTENDED))!=0){ |
224 |
return NULL; |
225 |
} |
226 |
|
227 |
interfaces=0; |
228 |
|
229 |
while((fgets(line, sizeof(line), f)) != NULL){ |
230 |
if((regexec(®ex, line, 4, line_match, 0))!=0){ |
231 |
continue; |
232 |
} |
233 |
network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
234 |
if(network_stats==NULL){ |
235 |
return NULL; |
236 |
} |
237 |
network_stat_ptr=network_stats+interfaces; |
238 |
|
239 |
if(network_stat_ptr->interface_name!=NULL){ |
240 |
free(network_stat_ptr->interface_name); |
241 |
} |
242 |
|
243 |
network_stat_ptr->interface_name=get_string_match(line, &line_match[1]); |
244 |
network_stat_ptr->rx=get_ll_match(line, &line_match[2]); |
245 |
network_stat_ptr->tx=get_ll_match(line, &line_match[3]); |
246 |
network_stat_ptr->systime=time(NULL); |
247 |
|
248 |
interfaces++; |
249 |
} |
250 |
fclose(f); |
251 |
regfree(®ex); |
252 |
|
253 |
#endif |
254 |
|
255 |
#ifdef CYGWIN |
256 |
return NULL; |
257 |
#endif |
258 |
|
259 |
*entries=interfaces; |
260 |
|
261 |
return network_stats; |
262 |
} |
263 |
|
264 |
long long transfer_diff(long long new, long long old){ |
265 |
#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) |
266 |
#define MAXVAL 4294967296LL |
267 |
#else |
268 |
#define MAXVAL 18446744073709551616LL |
269 |
#endif |
270 |
long long result; |
271 |
if(new>=old){ |
272 |
result = (new-old); |
273 |
}else{ |
274 |
result = (MAXVAL+(new-old)); |
275 |
} |
276 |
|
277 |
return result; |
278 |
|
279 |
} |
280 |
|
281 |
network_stat_t *get_network_stats_diff(int *entries) { |
282 |
static network_stat_t *diff = NULL; |
283 |
static int diff_count = 0; |
284 |
network_stat_t *src, *dest; |
285 |
int i, j, new_count; |
286 |
|
287 |
if (network_stats == NULL) { |
288 |
/* No previous stats, so we can't calculate a difference. */ |
289 |
return get_network_stats(entries); |
290 |
} |
291 |
|
292 |
/* Resize the results array to match the previous stats. */ |
293 |
diff = network_stat_malloc(interfaces, &diff_count, diff); |
294 |
if (diff == NULL) { |
295 |
return NULL; |
296 |
} |
297 |
|
298 |
/* Copy the previous stats into the result. */ |
299 |
for (i = 0; i < diff_count; i++) { |
300 |
src = &network_stats[i]; |
301 |
dest = &diff[i]; |
302 |
|
303 |
if (dest->interface_name != NULL) { |
304 |
free(dest->interface_name); |
305 |
} |
306 |
dest->interface_name = strdup(src->interface_name); |
307 |
dest->rx = src->rx; |
308 |
dest->tx = src->tx; |
309 |
dest->systime = src->systime; |
310 |
} |
311 |
|
312 |
/* Get a new set of stats. */ |
313 |
if (get_network_stats(&new_count) == NULL) { |
314 |
return NULL; |
315 |
} |
316 |
|
317 |
/* For each previous stat... */ |
318 |
for (i = 0; i < diff_count; i++) { |
319 |
dest = &diff[i]; |
320 |
|
321 |
/* ... find the corresponding new stat ... */ |
322 |
for (j = 0; j < new_count; j++) { |
323 |
/* Try the new stat in the same position first, |
324 |
since that's most likely to be it. */ |
325 |
src = &network_stats[(i + j) % new_count]; |
326 |
if (strcmp(src->interface_name, dest->interface_name) == 0) { |
327 |
break; |
328 |
} |
329 |
} |
330 |
if (j == new_count) { |
331 |
/* No match found. */ |
332 |
continue; |
333 |
} |
334 |
|
335 |
/* ... and subtract the previous stat from it to get the |
336 |
difference. */ |
337 |
dest->rx = transfer_diff(src->rx, dest->rx); |
338 |
dest->tx = transfer_diff(src->tx, dest->tx); |
339 |
dest->systime = src->systime - dest->systime; |
340 |
} |
341 |
|
342 |
*entries = diff_count; |
343 |
return diff; |
344 |
} |
345 |
/* NETWORK INTERFACE STATS */ |
346 |
|
347 |
void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){ |
348 |
|
349 |
for(net_stats+=start; start<end; start++){ |
350 |
net_stats->interface_name=NULL; |
351 |
net_stats->speed=0; |
352 |
net_stats->dup=UNKNOWN_DUPLEX; |
353 |
net_stats++; |
354 |
} |
355 |
} |
356 |
|
357 |
network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){ |
358 |
|
359 |
if(net_stats==NULL){ |
360 |
|
361 |
if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){ |
362 |
return NULL; |
363 |
} |
364 |
network_iface_stat_init(0, needed_entries, net_stats); |
365 |
*cur_entries=needed_entries; |
366 |
|
367 |
return net_stats; |
368 |
} |
369 |
|
370 |
|
371 |
if(*cur_entries<needed_entries){ |
372 |
net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries)); |
373 |
if(net_stats==NULL){ |
374 |
return NULL; |
375 |
} |
376 |
network_iface_stat_init(*cur_entries, needed_entries, net_stats); |
377 |
*cur_entries=needed_entries; |
378 |
} |
379 |
|
380 |
return net_stats; |
381 |
} |
382 |
|
383 |
network_iface_stat_t *get_network_iface_stats(int *entries){ |
384 |
static network_iface_stat_t *network_iface_stats; |
385 |
network_iface_stat_t *network_iface_stat_ptr; |
386 |
static int sizeof_network_iface_stats=0; |
387 |
int ifaces = 0; |
388 |
|
389 |
#ifdef SOLARIS |
390 |
kstat_ctl_t *kc; |
391 |
kstat_t *ksp; |
392 |
kstat_named_t *knp; |
393 |
int sock; |
394 |
#endif |
395 |
#ifdef ALLBSD |
396 |
struct ifaddrs *net, *net_ptr; |
397 |
struct ifmediareq ifmed; |
398 |
struct ifreq ifr; |
399 |
int sock; |
400 |
int x; |
401 |
#endif |
402 |
#ifdef LINUX |
403 |
FILE *f; |
404 |
/* Horrible big enough, but it should be easily big enough */ |
405 |
char line[8096]; |
406 |
int sock; |
407 |
#endif |
408 |
|
409 |
#ifdef ALLBSD |
410 |
if(getifaddrs(&net) != 0){ |
411 |
return NULL; |
412 |
} |
413 |
|
414 |
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL; |
415 |
|
416 |
for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){ |
417 |
if(net_ptr->ifa_addr->sa_family != AF_LINK) continue; |
418 |
network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats); |
419 |
if(network_iface_stats==NULL){ |
420 |
return NULL; |
421 |
} |
422 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
423 |
|
424 |
memset(&ifr, 0, sizeof(ifr)); |
425 |
strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name)); |
426 |
|
427 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){ |
428 |
continue; |
429 |
} |
430 |
if((ifr.ifr_flags & IFF_UP) != 0){ |
431 |
network_iface_stat_ptr->up = 1; |
432 |
}else{ |
433 |
network_iface_stat_ptr->up = 0; |
434 |
} |
435 |
|
436 |
if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name); |
437 |
network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name); |
438 |
if (network_iface_stat_ptr->interface_name == NULL) return NULL; |
439 |
|
440 |
network_iface_stat_ptr->speed = 0; |
441 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
442 |
ifaces++; |
443 |
|
444 |
memset(&ifmed, 0, sizeof(struct ifmediareq)); |
445 |
strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name)); |
446 |
if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){ |
447 |
/* Not all interfaces support the media ioctls. */ |
448 |
continue; |
449 |
} |
450 |
|
451 |
/* We may need to change this if we start doing wireless devices too */ |
452 |
if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){ |
453 |
/* Not a ETHER device */ |
454 |
continue; |
455 |
} |
456 |
|
457 |
/* Only intrested in the first 4 bits) - Assuming only ETHER devices */ |
458 |
x = ifmed.ifm_active & 0x0f; |
459 |
switch(x){ |
460 |
/* 10 Mbit connections. Speedy :) */ |
461 |
case(IFM_10_T): |
462 |
case(IFM_10_2): |
463 |
case(IFM_10_5): |
464 |
case(IFM_10_STP): |
465 |
case(IFM_10_FL): |
466 |
network_iface_stat_ptr->speed = 10; |
467 |
break; |
468 |
/* 100 Mbit conneections */ |
469 |
case(IFM_100_TX): |
470 |
case(IFM_100_FX): |
471 |
case(IFM_100_T4): |
472 |
case(IFM_100_VG): |
473 |
case(IFM_100_T2): |
474 |
network_iface_stat_ptr->speed = 100; |
475 |
break; |
476 |
/* 1000 Mbit connections */ |
477 |
case(IFM_1000_SX): |
478 |
case(IFM_1000_LX): |
479 |
case(IFM_1000_CX): |
480 |
#if defined(FREEBSD) && !defined(FREEBSD5) |
481 |
case(IFM_1000_TX): |
482 |
case(IFM_1000_FX): |
483 |
#else |
484 |
case(IFM_1000_T): |
485 |
#endif |
486 |
network_iface_stat_ptr->speed = 1000; |
487 |
break; |
488 |
/* We don't know what it is */ |
489 |
default: |
490 |
network_iface_stat_ptr->speed = 0; |
491 |
break; |
492 |
} |
493 |
|
494 |
if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){ |
495 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
496 |
}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){ |
497 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
498 |
}else{ |
499 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
500 |
} |
501 |
|
502 |
} |
503 |
freeifaddrs(net); |
504 |
close(sock); |
505 |
#endif |
506 |
|
507 |
#ifdef SOLARIS |
508 |
if ((kc = kstat_open()) == NULL) { |
509 |
return NULL; |
510 |
} |
511 |
|
512 |
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
513 |
return NULL; |
514 |
} |
515 |
|
516 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
517 |
if (!strcmp(ksp->ks_class, "net")) { |
518 |
struct ifreq ifr; |
519 |
|
520 |
kstat_read(kc, ksp, NULL); |
521 |
|
522 |
strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name); |
523 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
524 |
/* Not a network interface. */ |
525 |
continue; |
526 |
} |
527 |
|
528 |
network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats); |
529 |
if (network_iface_stats == NULL) { |
530 |
return NULL; |
531 |
} |
532 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
533 |
ifaces++; |
534 |
|
535 |
if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name); |
536 |
network_iface_stat_ptr->interface_name = strdup(ksp->ks_name); |
537 |
if (network_iface_stat_ptr->interface_name == NULL) return NULL; |
538 |
|
539 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
540 |
network_iface_stat_ptr->up = 1; |
541 |
} else { |
542 |
network_iface_stat_ptr->up = 1; |
543 |
} |
544 |
|
545 |
if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) { |
546 |
network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000); |
547 |
} else { |
548 |
network_iface_stat_ptr->speed = 0; |
549 |
} |
550 |
|
551 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
552 |
if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) { |
553 |
switch (knp->value.ui32) { |
554 |
case 1: |
555 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
556 |
break; |
557 |
case 2: |
558 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
559 |
break; |
560 |
} |
561 |
} |
562 |
} |
563 |
} |
564 |
|
565 |
close(sock); |
566 |
kstat_close(kc); |
567 |
#endif |
568 |
#ifdef LINUX |
569 |
f = fopen("/proc/net/dev", "r"); |
570 |
if(f == NULL){ |
571 |
return NULL; |
572 |
} |
573 |
|
574 |
/* Setup stuff so we can do the ioctl to get the info */ |
575 |
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){ |
576 |
return NULL; |
577 |
} |
578 |
|
579 |
/* Ignore first 2 lines.. Just headings */ |
580 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
581 |
if((fgets(line, sizeof(line), f)) == NULL) return NULL; |
582 |
|
583 |
while((fgets(line, sizeof(line), f)) != NULL){ |
584 |
char *name, *ptr; |
585 |
struct ifreq ifr; |
586 |
struct ethtool_cmd ethcmd; |
587 |
int err; |
588 |
|
589 |
/* Get the interface name */ |
590 |
ptr = strchr(line, ':'); |
591 |
if (ptr == NULL) continue; |
592 |
*ptr='\0'; |
593 |
name = line; |
594 |
while(isspace(*(name))){ |
595 |
name++; |
596 |
} |
597 |
|
598 |
memset(&ifr, 0, sizeof ifr); |
599 |
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
600 |
|
601 |
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { |
602 |
continue; |
603 |
} |
604 |
|
605 |
/* We have a good interface to add */ |
606 |
network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats); |
607 |
if(network_iface_stats==NULL){ |
608 |
return NULL; |
609 |
} |
610 |
network_iface_stat_ptr = network_iface_stats + ifaces; |
611 |
network_iface_stat_ptr->interface_name = strdup(name); |
612 |
if ((ifr.ifr_flags & IFF_UP) != 0) { |
613 |
network_iface_stat_ptr->up = 1; |
614 |
} else { |
615 |
network_iface_stat_ptr->up = 0; |
616 |
} |
617 |
|
618 |
memset(ðcmd, 0, sizeof ethcmd); |
619 |
ethcmd.cmd = ETHTOOL_GSET; |
620 |
ifr.ifr_data = (caddr_t) ðcmd; |
621 |
|
622 |
err = ioctl(sock, SIOCETHTOOL, &ifr); |
623 |
if (err == 0) { |
624 |
network_iface_stat_ptr->speed = ethcmd.speed; |
625 |
|
626 |
switch (ethcmd.duplex) { |
627 |
case 0x00: |
628 |
network_iface_stat_ptr->dup = FULL_DUPLEX; |
629 |
break; |
630 |
case 0x01: |
631 |
network_iface_stat_ptr->dup = HALF_DUPLEX; |
632 |
break; |
633 |
default: |
634 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
635 |
} |
636 |
} else { |
637 |
/* Not all interfaces support the ethtool ioctl. */ |
638 |
network_iface_stat_ptr->speed = 0; |
639 |
network_iface_stat_ptr->dup = UNKNOWN_DUPLEX; |
640 |
} |
641 |
|
642 |
ifaces++; |
643 |
} |
644 |
close(sock); |
645 |
fclose(f); |
646 |
#endif |
647 |
*entries = ifaces; |
648 |
return network_iface_stats; |
649 |
} |
650 |
|