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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 1.61 by tdb, Mon Apr 5 00:17:40 2004 UTC vs.
Revision 1.67 by tdb, Thu Apr 8 10:56:13 2004 UTC

#	Line 1 | Line 1
1		/*
2	<	* i-scream central monitoring system
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4		* Copyright (C) 2000-2004 i-scream
5		*
#	Line 45 | Line 45
45		#ifdef LINUX
46		#include <stdio.h>
47		#include <sys/types.h>
48	–	#include <regex.h>
48		#include <sys/ioctl.h>
49		#include <sys/socket.h>
50		#include <net/if.h>
#	Line 71 | Line 70 | typedef __uint64_t u64;
70		#include <unistd.h>
71		#endif
72
73	<	static void network_stat_init(network_stat_t *s) {
73	>	static void network_stat_init(sg_network_io_stats *s) {
74		s->interface_name = NULL;
75		s->tx = 0;
76		s->rx = 0;
#	Line 82 | Line 81 | static void network_stat_init(network_stat_t *s) {
81		s->collisions = 0;
82		}
83
84	<	static void network_stat_destroy(network_stat_t *s) {
84	>	static void network_stat_destroy(sg_network_io_stats *s) {
85		free(s->interface_name);
86		}
87
88	<	VECTOR_DECLARE_STATIC(network_stats, network_stat_t, 5,
89	<	network_stat_init, network_stat_destroy);
88	>	VECTOR_DECLARE_STATIC(network_stats, sg_network_io_stats, 5,
89	>	network_stat_init, network_stat_destroy);
90
91	<	network_stat_t *get_network_stats(int *entries){
91	>	sg_network_io_stats *sg_get_network_io_stats(int *entries){
92		int interfaces;
93	<	network_stat_t *network_stat_ptr;
93	>	sg_network_io_stats *network_stat_ptr;
94
95		#ifdef SOLARIS
96	<	kstat_ctl_t *kc;
97	<	kstat_t *ksp;
96	>	kstat_ctl_t *kc;
97	>	kstat_t *ksp;
98		kstat_named_t *knp;
99		#endif
100
#	Line 113 | Line 112 | network_stat_t *get_network_stats(int *entries){
112
113		#ifdef ALLBSD
114		if(getifaddrs(&net) != 0){
115	+	sg_set_error(SG_ERROR_GETIFADDRS, NULL);
116		return NULL;
117		}
118
#	Line 126 | Line 126 | network_stat_t *get_network_stats(int *entries){
126		}
127		network_stat_ptr=network_stats+interfaces;
128
129	<	if (update_string(&network_stat_ptr->interface_name,
130	<	net_ptr->ifa_name) == 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;
#	Line 145 | Line 145 | network_stat_t *get_network_stats(int *entries){
145		#endif
146
147		#ifdef SOLARIS
148	<	if ((kc = kstat_open()) == NULL) {
149	<	return NULL;
150	<	}
148	>	if ((kc = kstat_open()) == NULL) {
149	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
150	>	return NULL;
151	>	}
152
153		interfaces=0;
154
155	<	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
156	<	if (!strcmp(ksp->ks_class, "net")) {
157	<	kstat_read(kc, ksp, NULL);
155	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
156	>	if (!strcmp(ksp->ks_class, "net")) {
157	>	kstat_read(kc, ksp, NULL);
158
159		#ifdef SOL7
160		#define LRX "rbytes"
#	Line 226 | Line 227 | network_stat_t *get_network_stats(int *entries){
227		network_stat_ptr->collisions=knp->value.ui32;
228
229		/* Read interface name */
230	<	if (update_string(&network_stat_ptr->interface_name,
231	<	ksp->ks_name) == NULL) {
230	>	if (sg_update_string(&network_stat_ptr->interface_name,
231	>	ksp->ks_name) < 0) {
232		return NULL;
233		}
234
#	Line 243 | Line 244 | network_stat_t *get_network_stats(int *entries){
244		#ifdef LINUX
245		f=fopen("/proc/net/dev", "r");
246		if(f==NULL){
247	+	sg_set_error(SG_ERROR_OPEN, "/proc/net/dev");
248		return NULL;
249		}
250		/* read the 2 lines.. Its the title, so we dont care :) */
#	Line 251 | Line 253 | network_stat_t *get_network_stats(int *entries){
253
254
255		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){
256	+	sg_set_error(SG_ERROR_PARSE, NULL);
257		return NULL;
258		}
259
#	Line 264 | Line 267 | network_stat_t *get_network_stats(int *entries){
267		if (VECTOR_RESIZE(network_stats, interfaces + 1) < 0) {
268		return NULL;
269		}
270	<	network_stat_ptr=network_stats+interfaces;
270	>	network_stat_ptr=network_stats+interfaces;
271
272		if(network_stat_ptr->interface_name!=NULL){
273		free(network_stat_ptr->interface_name);
274		}
275
276	<	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
277	<	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
278	<	network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
279	<	network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
280	<	network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
281	<	network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
282	<	network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
283	<	network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
276	>	network_stat_ptr->interface_name=sg_get_string_match(line, &line_match[1]);
277	>	network_stat_ptr->rx=sg_get_ll_match(line, &line_match[2]);
278	>	network_stat_ptr->tx=sg_get_ll_match(line, &line_match[5]);
279	>	network_stat_ptr->ipackets=sg_get_ll_match(line, &line_match[3]);
280	>	network_stat_ptr->opackets=sg_get_ll_match(line, &line_match[6]);
281	>	network_stat_ptr->ierrors=sg_get_ll_match(line, &line_match[4]);
282	>	network_stat_ptr->oerrors=sg_get_ll_match(line, &line_match[7]);
283	>	network_stat_ptr->collisions=sg_get_ll_match(line, &line_match[8]);
284		network_stat_ptr->systime=time(NULL);
285
286		interfaces++;
#	Line 288 | Line 291 | network_stat_t *get_network_stats(int *entries){
291		#endif
292
293		#ifdef CYGWIN
294	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
295		return NULL;
296		#endif
297
#	Line 296 | Line 300 | network_stat_t *get_network_stats(int *entries){
300		return network_stats;
301		}
302
303	<	long long transfer_diff(long long new, long long old){
303	>	static long long transfer_diff(long long new, long long old){
304		#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
305		/* 32-bit quantities, so we must explicitly deal with wraparound. */
306		#define MAXVAL 0x100000000LL
#	Line 311 | Line 315 | long long transfer_diff(long long new, long long old){
315		#endif
316		}
317
318	<	network_stat_t *get_network_stats_diff(int *entries) {
319	<	VECTOR_DECLARE_STATIC(diff, network_stat_t, 1,
320	<	network_stat_init, network_stat_destroy);
321	<	network_stat_t *src = NULL, *dest;
318	>	sg_network_io_stats *sg_get_network_io_stats_diff(int *entries) {
319	>	VECTOR_DECLARE_STATIC(diff, sg_network_io_stats, 1,
320	>	network_stat_init, network_stat_destroy);
321	>	sg_network_io_stats *src = NULL, *dest;
322		int i, j, diff_count, new_count;
323
324		if (network_stats == NULL) {
325		/* No previous stats, so we can't calculate a difference. */
326	<	return get_network_stats(entries);
326	>	return sg_get_network_io_stats(entries);
327		}
328
329		/* Resize the results array to match the previous stats. */
#	Line 333 | Line 337 | network_stat_t *get_network_stats_diff(int *entries) {
337		src = &network_stats[i];
338		dest = &diff[i];
339
340	<	if (update_string(&dest->interface_name,
341	<	src->interface_name) == NULL) {
340	>	if (sg_update_string(&dest->interface_name,
341	>	src->interface_name) < 0) {
342		return NULL;
343		}
344		dest->rx = src->rx;
#	Line 348 | Line 352 | network_stat_t *get_network_stats_diff(int *entries) {
352		}
353
354		/* Get a new set of stats. */
355	<	if (get_network_stats(&new_count) == NULL) {
355	>	if (sg_get_network_io_stats(&new_count) == NULL) {
356		return NULL;
357		}
358
#	Line 388 | Line 392 | network_stat_t *get_network_stats_diff(int *entries) {
392
393		/* NETWORK INTERFACE STATS */
394
395	<	static void network_iface_stat_init(network_iface_stat_t *s) {
395	>	static void network_iface_stat_init(sg_network_iface_stats *s) {
396		s->interface_name = NULL;
397		s->speed = 0;
398	<	s->dup = UNKNOWN_DUPLEX;
398	>	s->dup = SG_IFACE_DUPLEX_UNKNOWN;
399		}
400
401	<	static void network_iface_stat_destroy(network_iface_stat_t *s) {
401	>	static void network_iface_stat_destroy(sg_network_iface_stats *s) {
402		free(s->interface_name);
403		}
404
405	<	network_iface_stat_t *get_network_iface_stats(int *entries){
406	<	VECTOR_DECLARE_STATIC(network_iface_stats, network_iface_stat_t, 5,
407	<	network_iface_stat_init, network_iface_stat_destroy);
408	<	network_iface_stat_t *network_iface_stat_ptr;
405	>	sg_network_iface_stats *sg_get_network_iface_stats(int *entries){
406	>	VECTOR_DECLARE_STATIC(network_iface_stats, sg_network_iface_stats, 5,
407	>	network_iface_stat_init, network_iface_stat_destroy);
408	>	sg_network_iface_stats *network_iface_stat_ptr;
409		int ifaces = 0;
410
411		#ifdef SOLARIS
412	<	kstat_ctl_t *kc;
413	<	kstat_t *ksp;
412	>	kstat_ctl_t *kc;
413	>	kstat_t *ksp;
414		kstat_named_t *knp;
415		int sock;
416		#endif
417		#ifdef ALLBSD
418	<	struct ifaddrs *net, *net_ptr;
418	>	struct ifaddrs *net, *net_ptr;
419		struct ifmediareq ifmed;
420		struct ifreq ifr;
421		int sock;
422		int x;
423		#endif
424		#ifdef LINUX
425	<	FILE *f;
426	<	/* Horrible big enough, but it should be easily big enough */
427	<	char line[8096];
425	>	FILE *f;
426	>	/* Horrible big enough, but it should be easily big enough */
427	>	char line[8096];
428		int sock;
429		#endif
430
431		#ifdef ALLBSD
432	<	if(getifaddrs(&net) != 0){
433	<	return NULL;
434	<	}
432	>	if(getifaddrs(&net) != 0){
433	>	sg_set_error(SG_ERROR_GETIFADDRS, NULL);
434	>	return NULL;
435	>	}
436
437		if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
438
439		for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
440	<	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
440	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
441
442		if (VECTOR_RESIZE(network_iface_stats, ifaces + 1) < 0) {
443	<	return NULL;
444	<	}
445	<	network_iface_stat_ptr = network_iface_stats + ifaces;
443	>	return NULL;
444	>	}
445	>	network_iface_stat_ptr = network_iface_stats + ifaces;
446
447		memset(&ifr, 0, sizeof(ifr));
448		strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
#	Line 451 | Line 456 | network_iface_stat_t *get_network_iface_stats(int *ent
456		network_iface_stat_ptr->up = 0;
457		}
458
459	<	if (update_string(&network_iface_stat_ptr->interface_name,
460	<	net_ptr->ifa_name) == NULL) {
459	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
460	>	net_ptr->ifa_name) < 0) {
461		return NULL;
462		}
463
464		network_iface_stat_ptr->speed = 0;
465	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
465	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
466		ifaces++;
467
468		memset(&ifmed, 0, sizeof(struct ifmediareq));
469	<	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
469	>	sg_strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
470		if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
471		/* Not all interfaces support the media ioctls. */
472		continue;
#	Line 514 | Line 519 | network_iface_stat_t *get_network_iface_stats(int *ent
519		}
520
521		if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
522	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
522	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
523		}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
524	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
524	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
525		}else{
526	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
526	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
527		}
528
529		}
#	Line 528 | Line 533 | network_iface_stat_t *get_network_iface_stats(int *ent
533
534		#ifdef SOLARIS
535		if ((kc = kstat_open()) == NULL) {
536	+	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
537		return NULL;
538		}
539
540		if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
541	+	sg_set_error(SG_ERROR_SOCKET, NULL);
542		return NULL;
543		}
544
#	Line 553 | Line 560 | network_iface_stat_t *get_network_iface_stats(int *ent
560		network_iface_stat_ptr = network_iface_stats + ifaces;
561		ifaces++;
562
563	<	if (update_string(&network_iface_stat_ptr->interface_name,
564	<	ksp->ks_name) == NULL) {
563	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
564	>	ksp->ks_name) < 0) {
565		return NULL;
566		}
567
#	Line 570 | Line 577 | network_iface_stat_t *get_network_iface_stats(int *ent
577		network_iface_stat_ptr->speed = 0;
578		}
579
580	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
580	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
581		if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
582		switch (knp->value.ui32) {
583		case 1:
584	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
584	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
585		break;
586		case 2:
587	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
587	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
588		break;
589		}
590		}
#	Line 589 | Line 596 | network_iface_stat_t *get_network_iface_stats(int *ent
596		#endif
597		#ifdef LINUX
598		f = fopen("/proc/net/dev", "r");
599	<	if(f == NULL){
600	<	return NULL;
601	<	}
599	>	if(f == NULL){
600	>	sg_set_error(SG_ERROR_OPEN, "/proc/net/dev");
601	>	return NULL;
602	>	}
603
604		/* Setup stuff so we can do the ioctl to get the info */
605		if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
606	+	sg_set_error(SG_ERROR_SOCKET, NULL);
607		return NULL;
608		}
609
610		/* Ignore first 2 lines.. Just headings */
611	<	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
612	<	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
611	>	if((fgets(line, sizeof(line), f)) == NULL) {
612	>	sg_set_error(SG_ERROR_PARSE, NULL);
613	>	return NULL;
614	>	}
615	>	if((fgets(line, sizeof(line), f)) == NULL) {
616	>	sg_set_error(SG_ERROR_PARSE, NULL);
617	>	return NULL;
618	>	}
619
620	<	while((fgets(line, sizeof(line), f)) != NULL){
621	<	char *name, *ptr;
622	<	struct ifreq ifr;
623	<	struct ethtool_cmd ethcmd;
624	<	int err;
620	>	while((fgets(line, sizeof(line), f)) != NULL){
621	>	char *name, *ptr;
622	>	struct ifreq ifr;
623	>	struct ethtool_cmd ethcmd;
624	>	int err;
625
626		/* Get the interface name */
627	<	ptr = strchr(line, ':');
628	<	if (ptr == NULL) continue;
629	<	*ptr='\0';
630	<	name = line;
631	<	while(isspace(*(name))){
632	<	name++;
633	<	}
627	>	ptr = strchr(line, ':');
628	>	if (ptr == NULL) continue;
629	>	*ptr='\0';
630	>	name = line;
631	>	while(isspace(*(name))){
632	>	name++;
633	>	}
634
635	<	memset(&ifr, 0, sizeof ifr);
636	<	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
635	>	memset(&ifr, 0, sizeof ifr);
636	>	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
637
638		if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
639		continue;
#	Line 630 | Line 645 | network_iface_stat_t *get_network_iface_stats(int *ent
645		}
646		network_iface_stat_ptr = network_iface_stats + ifaces;
647
648	<	if (update_string(&network_iface_stat_ptr->interface_name,
649	<	name) == NULL) {
648	>	if (sg_update_string(&network_iface_stat_ptr->interface_name,
649	>	name) < 0) {
650		return NULL;
651		}
652		if ((ifr.ifr_flags & IFF_UP) != 0) {
#	Line 640 | Line 655 | network_iface_stat_t *get_network_iface_stats(int *ent
655		network_iface_stat_ptr->up = 0;
656		}
657
658	<	memset(&ethcmd, 0, sizeof ethcmd);
659	<	ethcmd.cmd = ETHTOOL_GSET;
660	<	ifr.ifr_data = (caddr_t) &ethcmd;
658	>	memset(&ethcmd, 0, sizeof ethcmd);
659	>	ethcmd.cmd = ETHTOOL_GSET;
660	>	ifr.ifr_data = (caddr_t) &ethcmd;
661
662	<	err = ioctl(sock, SIOCETHTOOL, &ifr);
663	<	if (err == 0) {
662	>	err = ioctl(sock, SIOCETHTOOL, &ifr);
663	>	if (err == 0) {
664		network_iface_stat_ptr->speed = ethcmd.speed;
665
666		switch (ethcmd.duplex) {
667		case 0x00:
668	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
668	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_FULL;
669		break;
670		case 0x01:
671	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
671	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_HALF;
672		break;
673		default:
674	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
674	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
675		}
676		} else {
677		/* Not all interfaces support the ethtool ioctl. */
678		network_iface_stat_ptr->speed = 0;
679	<	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
679	>	network_iface_stat_ptr->dup = SG_IFACE_DUPLEX_UNKNOWN;
680		}
681
682		ifaces++;

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