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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 1.52 by tdb, Mon Mar 8 11:58:53 2004 UTC vs.
Revision 1.63 by ats, Mon Apr 5 18:10:11 2004 UTC

#	Line 28 | 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>
#	Line 38 | Line 40
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>
#	Line 47 | Line 50
50		#include <sys/socket.h>
51		#include <net/if.h>
52		#include <ctype.h>
50	–	#include "tools.h"
53		/* Stuff which could be defined by defining KERNEL, but
54		* that would be a bad idea, so we'll just declare it here
55		*/
#	Line 66 | Line 68 | typedef __uint64_t u64;
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;
80	<	net_stats->ipackets=0;
81	<	net_stats->opackets=0;
82	<	net_stats->ierrors=0;
83	<	net_stats->oerrors=0;
84	<	net_stats->collisions=0;
85	<	net_stats++;
86	<	}
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	<
91	<	if(net_stats==NULL){
92	<
93	<	if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
94	<	return NULL;
95	<	}
96	<	network_stat_init(0, needed_entries, net_stats);
97	<	*cur_entries=needed_entries;
98	<
99	<	return net_stats;
100	<	}
101	<
102	<
103	<	if(*cur_entries<needed_entries){
104	<	net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
105	<	if(net_stats==NULL){
106	<	return NULL;
107	<	}
108	<	network_stat_init(*cur_entries, needed_entries, net_stats);
109	<	*cur_entries=needed_entries;
110	<	}
111	<
112	<	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
118	–	static int sizeof_network_stats=0;
119	–	network_stat_t *network_stat_ptr;
120	–
96		#ifdef SOLARIS
97		kstat_ctl_t *kc;
98		kstat_t *ksp;
#	Line 145 | Line 120 | network_stat_t *get_network_stats(int *entries){
120
121		for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
122		if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
123	<	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
124	<	if(network_stats==NULL){
123	>
124	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
125		return NULL;
126		}
127		network_stat_ptr=network_stats+interfaces;
128
129	<	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
130	<	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
131	<	if(network_stat_ptr->interface_name==NULL) return NULL;
129	>	if (sg_update_string(&network_stat_ptr->interface_name,
130	>	net_ptr->ifa_name) < 0) {
131	>	return NULL;
132	>	}
133		net_data=(struct if_data *)net_ptr->ifa_data;
134		network_stat_ptr->rx=net_data->ifi_ibytes;
135		network_stat_ptr->tx=net_data->ifi_obytes;
#	Line 180 | Line 156 | network_stat_t *get_network_stats(int *entries){
156		kstat_read(kc, ksp, NULL);
157
158		#ifdef SOL7
159	<	#define RLOOKUP "rbytes"
160	<	#define WLOOKUP "obytes"
159	>	#define LRX "rbytes"
160	>	#define LTX "obytes"
161	>	#define LIPACKETS "ipackets"
162	>	#define LOPACKETS "opackets"
163		#define VALTYPE value.ui32
164		#else
165	<	#define RLOOKUP "rbytes64"
166	<	#define WLOOKUP "obytes64"
165	>	#define LRX "rbytes64"
166	>	#define LTX "obytes64"
167	>	#define LIPACKETS "ipackets64"
168	>	#define LOPACKETS "opackets64"
169		#define VALTYPE value.ui64
170		#endif
171
172	<	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
172	>	/* Read rx */
173	>	if((knp=kstat_data_lookup(ksp, LRX))==NULL){
174		/* This is a network interface, but it doesn't
175		* have the rbytes/obytes values; for instance,
176		* the loopback devices have this behaviour
177		* (although they do track packets in/out). */
178	+	/* FIXME: Show packet counts when byte counts
179	+	* not available. */
180		continue;
181		}
182
183	<	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
184	<	if(network_stats==NULL){
183	>	/* Create new network_stats */
184	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
185		return NULL;
186		}
187		network_stat_ptr=network_stats+interfaces;
188	+
189	+	/* Finish reading rx */
190		network_stat_ptr->rx=knp->VALTYPE;
191
192	<	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
192	>	/* Read tx */
193	>	if((knp=kstat_data_lookup(ksp, LTX))==NULL){
194		continue;
195		}
196		network_stat_ptr->tx=knp->VALTYPE;
197	<	if(network_stat_ptr->interface_name!=NULL){
198	<	free(network_stat_ptr->interface_name);
197	>
198	>	/* Read ipackets */
199	>	if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
200	>	continue;
201		}
202	<	network_stat_ptr->interface_name=strdup(ksp->ks_name);
202	>	network_stat_ptr->ipackets=knp->VALTYPE;
203
204	+	/* Read opackets */
205	+	if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
206	+	continue;
207	+	}
208	+	network_stat_ptr->opackets=knp->VALTYPE;
209	+
210	+	/* Read ierrors */
211	+	if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
212	+	continue;
213	+	}
214	+	network_stat_ptr->ierrors=knp->value.ui32;
215	+
216	+	/* Read oerrors */
217	+	if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
218	+	continue;
219	+	}
220	+	network_stat_ptr->oerrors=knp->value.ui32;
221	+
222	+	/* Read collisions */
223	+	if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
224	+	continue;
225	+	}
226	+	network_stat_ptr->collisions=knp->value.ui32;
227	+
228	+	/* Read interface name */
229	+	if (sg_update_string(&network_stat_ptr->interface_name,
230	+	ksp->ks_name) < 0) {
231	+	return NULL;
232	+	}
233	+
234	+	/* Store systime */
235		network_stat_ptr->systime=time(NULL);
236	+
237		interfaces++;
238		}
239		}
#	Line 240 | Line 260 | network_stat_t *get_network_stats(int *entries){
260		if((regexec(&regex, line, 9, line_match, 0))!=0){
261		continue;
262		}
263	<	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
264	<	if(network_stats==NULL){
265	<	return NULL;
263	>
264	>	if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
265	>	return NULL;
266		}
267		network_stat_ptr=network_stats+interfaces;
268
#	Line 250 | Line 270 | network_stat_t *get_network_stats(int *entries){
270		free(network_stat_ptr->interface_name);
271		}
272
273	<	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
274	<	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
275	<	network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
276	<	network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
277	<	network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
278	<	network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
279	<	network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
280	<	network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
273	>	network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]);
274	>	network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
275	>	network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
276	>	network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
277	>	network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
278	>	network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
279	>	network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
280	>	network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
281		network_stat_ptr->systime=time(NULL);
282
283		interfaces++;
#	Line 276 | Line 296 | network_stat_t *get_network_stats(int *entries){
296		return network_stats;
297		}
298
299	<	long long transfer_diff(long long new, long long old){
300	<	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
301	<	#define MAXVAL 0xffffffffLL
299	>	static long long transfer_diff(long long new, long long old){
300	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
301	>	/* 32-bit quantities, so we must explicitly deal with wraparound. */
302	>	#define MAXVAL 0x100000000LL
303	>	if (new >= old) {
304	>	return new - old;
305	>	} else {
306	>	return MAXVAL + new - old;
307	>	}
308		#else
309	<	#define MAXVAL 0xffffffffffffffffLL
309	>	/* 64-bit quantities, so plain subtraction works. */
310	>	return new - old;
311		#endif
285	–	long long result;
286	–	if(new>=old){
287	–	result = (new-old);
288	–	}else{
289	–	result = (MAXVAL+(new-old));
290	–	}
291	–
292	–	return result;
293	–
312		}
313
314	<	network_stat_t *get_network_stats_diff(int *entries) {
315	<	static network_stat_t *diff = NULL;
316	<	static int diff_count = 0;
317	<	network_stat_t *src, *dest;
318	<	int i, j, new_count;
314	>	sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) {
315	>	VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
316	>	network_stat_init, network_stat_destroy);
317	>	sg_network_io_stats *src = NULL, *dest;
318	>	int i, j, diff_count, new_count;
319
320		if (network_stats == NULL) {
321		/* No previous stats, so we can't calculate a difference. */
322	<	return get_network_stats(entries);
322	>	return sg_get_network_io_stats(entries);
323		}
324
325		/* Resize the results array to match the previous stats. */
326	<	diff = network_stat_malloc(interfaces, &diff_count, diff);
327	<	if (diff == NULL) {
326	>	diff_count = VECTOR_SIZE(network_stats);
327	>	if (VECTOR_RESIZE(diff, diff_count) < 0) {
328		return NULL;
329		}
330
#	Line 315 | Line 333 | network_stat_t *get_network_stats_diff(int *entries) {
333		src = &network_stats[i];
334		dest = &diff[i];
335
336	<	if (dest->interface_name != NULL) {
337	<	free(dest->interface_name);
336	>	if (sg_update_string(&dest->interface_name,
337	>	src->interface_name) < 0) {
338	>	return NULL;
339		}
321	–	dest->interface_name = strdup(src->interface_name);
340		dest->rx = src->rx;
341		dest->tx = src->tx;
342		dest->ipackets = src->ipackets;
#	Line 330 | Line 348 | network_stat_t *get_network_stats_diff(int *entries) {
348		}
349
350		/* Get a new set of stats. */
351	<	if (get_network_stats(&new_count) == NULL) {
351	>	if (sg_get_network_io_stats(&new_count) == NULL) {
352		return NULL;
353		}
354
#	Line 367 | Line 385 | network_stat_t *get_network_stats_diff(int *entries) {
385		*entries = diff_count;
386		return diff;
387		}
388	+
389		/* NETWORK INTERFACE STATS */
390
391	<	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
392	<
393	<	for(net_stats+=start; start<end; start++){
394	<	net_stats->interface_name=NULL;
376	<	net_stats->speed=0;
377	<	net_stats->dup=UNKNOWN_DUPLEX;
378	<	net_stats++;
379	<	}
391	>	static void network_iface_stat_init(sg_network_iface_stats *s) {
392	>	s->interface_name = NULL;
393	>	s->speed = 0;
394	>	s->dup = SG_IFACE_DUPLEX_UNKNOWN;
395		}
396
397	<	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
398	<
384	<	if(net_stats==NULL){
385	<
386	<	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
387	<	return NULL;
388	<	}
389	<	network_iface_stat_init(0, needed_entries, net_stats);
390	<	*cur_entries=needed_entries;
391	<
392	<	return net_stats;
393	<	}
394	<
395	<
396	<	if(*cur_entries<needed_entries){
397	<	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
398	<	if(net_stats==NULL){
399	<	return NULL;
400	<	}
401	<	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
402	<	*cur_entries=needed_entries;
403	<	}
404	<
405	<	return net_stats;
397	>	static void network_iface_stat_destroy(sg_network_iface_stats *s) {
398	>	free(s->interface_name);
399		}
400
401	<	network_iface_stat_t *get_network_iface_stats(int *entries){
402	<	static network_iface_stat_t *network_iface_stats;
403	<	network_iface_stat_t *network_iface_stat_ptr;
404	<	static int sizeof_network_iface_stats=0;
401	>	sg_network_iface_stats *sg_get_network_iface_stats(int *entries){
402	>	VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
403	>	network_iface_stat_init, network_iface_stat_destroy);
404	>	sg_network_iface_stats *network_iface_stat_ptr;
405		int ifaces = 0;
406
407		#ifdef SOLARIS
#	Line 440 | Line 433 | network_iface_stat_t *get_network_iface_stats(int *ent
433
434		for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
435		if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
436	<	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
437	<	if(network_iface_stats==NULL){
436	>
437	>	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
438		return NULL;
439		}
440		network_iface_stat_ptr = network_iface_stats + ifaces;
#	Line 458 | Line 451 | network_iface_stat_t *get_network_iface_stats(int *ent
451		network_iface_stat_ptr->up = 0;
452		}
453
454	<	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
455	<	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
456	<	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
454	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
455	>	net_ptr->ifa_name) < 0) {
456	>	return NULL;
457	>	}
458
459		network_iface_stat_ptr->speed = 0;
460	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
460	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
461		ifaces++;
462
463		memset(&ifmed, 0, sizeof(struct ifmediareq));
464	<	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
464	>	sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
465		if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
466		/* Not all interfaces support the media ioctls. */
467		continue;
#	Line 502 | Line 496 | network_iface_stat_t *get_network_iface_stats(int *ent
496		case(IFM_1000_SX):
497		case(IFM_1000_LX):
498		case(IFM_1000_CX):
499	<	#ifdef IFM_1000_TX
500	<	case(IFM_1000_TX): /* FreeBSD 4 and others? */
499	>	#if defined(IFM_1000_TX) && !defined(OPENBSD)
500	>	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
501		#endif
502		#ifdef IFM_1000_FX
503		case(IFM_1000_FX): /* FreeBSD 4 */
#	Line 520 | Line 514 | network_iface_stat_t *get_network_iface_stats(int *ent
514		}
515
516		if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
517	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
517	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
518		}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
519	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
519	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
520		}else{
521	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
521	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
522		}
523
524		}
#	Line 553 | Line 547 | network_iface_stat_t *get_network_iface_stats(int *ent
547		continue;
548		}
549
550	<	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
557	<	if (network_iface_stats == NULL) {
550	>	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
551		return NULL;
552		}
553		network_iface_stat_ptr = network_iface_stats + ifaces;
554		ifaces++;
555
556	<	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
557	<	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
558	<	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
556	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
557	>	ksp->ks_name) < 0) {
558	>	return NULL;
559	>	}
560
561		if ((ifr.ifr_flags & IFF_UP) != 0) {
562		network_iface_stat_ptr->up = 1;
#	Line 576 | Line 570 | network_iface_stat_t *get_network_iface_stats(int *ent
570		network_iface_stat_ptr->speed = 0;
571		}
572
573	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
573	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
574		if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
575		switch (knp->value.ui32) {
576		case 1:
577	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
577	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
578		break;
579		case 2:
580	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
580	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
581		break;
582		}
583		}
#	Line 631 | Line 625 | network_iface_stat_t *get_network_iface_stats(int *ent
625		}
626
627		/* We have a good interface to add */
628	<	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
635	<	if(network_iface_stats==NULL){
628	>	if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
629		return NULL;
630		}
631		network_iface_stat_ptr = network_iface_stats + ifaces;
632	<	network_iface_stat_ptr->interface_name = strdup(name);
632	>
633	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
634	>	name) < 0) {
635	>	return NULL;
636	>	}
637		if ((ifr.ifr_flags & IFF_UP) != 0) {
638		network_iface_stat_ptr->up = 1;
639		} else {
#	Line 653 | Line 650 | network_iface_stat_t *get_network_iface_stats(int *ent
650
651		switch (ethcmd.duplex) {
652		case 0x00:
653	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
653	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
654		break;
655		case 0x01:
656	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
656	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
657		break;
658		default:
659	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
659	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
660		}
661		} else {
662		/* Not all interfaces support the ethtool ioctl. */
663		network_iface_stat_ptr->speed = 0;
664	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
664	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
665		}
666
667		ifaces++;

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