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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 1.31 by ats, Fri Feb 13 15:12:26 2004 UTC vs.
Revision 1.56 by ats, Tue Mar 9 12:43:41 2004 UTC

#	Line 32 | Line 32
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>
#	Line 48 | Line 54
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>
#	Line 69 | Line 77 | void network_stat_init(int start, int end, network_sta
77		net_stats->interface_name=NULL;
78		net_stats->tx=0;
79		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		}
87		}
#	Line 116 | Line 129 | network_stat_t *get_network_stats(int *entries){
129		/* Horrible big enough, but it should be easily big enough */
130		char line[8096];
131		regex_t regex;
132	<	regmatch_t line_match[4];
132	>	regmatch_t line_match[9];
133		#endif
134		#ifdef ALLBSD
135		struct ifaddrs *net, *net_ptr;
#	Line 143 | Line 156 | network_stat_t *get_network_stats(int *entries){
156		if(network_stat_ptr->interface_name==NULL) return NULL;
157		net_data=(struct if_data *)net_ptr->ifa_data;
158		network_stat_ptr->rx=net_data->ifi_ibytes;
159	<	network_stat_ptr->tx=net_data->ifi_obytes;
159	>	network_stat_ptr->tx=net_data->ifi_obytes;
160	>	network_stat_ptr->ipackets=net_data->ifi_ipackets;
161	>	network_stat_ptr->opackets=net_data->ifi_opackets;
162	>	network_stat_ptr->ierrors=net_data->ifi_ierrors;
163	>	network_stat_ptr->oerrors=net_data->ifi_oerrors;
164	>	network_stat_ptr->collisions=net_data->ifi_collisions;
165		network_stat_ptr->systime=time(NULL);
166		interfaces++;
167		}
#	Line 162 | Line 180 | network_stat_t *get_network_stats(int *entries){
180		kstat_read(kc, ksp, NULL);
181
182		#ifdef SOL7
183	<	#define RLOOKUP "rbytes"
184	<	#define WLOOKUP "obytes"
183	>	#define LRX "rbytes"
184	>	#define LTX "obytes"
185	>	#define LIPACKETS "ipackets"
186	>	#define LOPACKETS "opackets"
187		#define VALTYPE value.ui32
188		#else
189	<	#define RLOOKUP "rbytes64"
190	<	#define WLOOKUP "obytes64"
189	>	#define LRX "rbytes64"
190	>	#define LTX "obytes64"
191	>	#define LIPACKETS "ipackets64"
192	>	#define LOPACKETS "opackets64"
193		#define VALTYPE value.ui64
194		#endif
195
196	<	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
197	<	/* Not a network interface, so skip to the next entry */
196	>	/* Read rx */
197	>	if((knp=kstat_data_lookup(ksp, LRX))==NULL){
198	>	/* This is a network interface, but it doesn't
199	>	* have the rbytes/obytes values; for instance,
200	>	* the loopback devices have this behaviour
201	>	* (although they do track packets in/out). */
202	>	/* FIXME: Show packet counts when byte counts
203	>	* not available. */
204		continue;
205		}
206
207	+	/* Create new network_stats */
208		network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
209		if(network_stats==NULL){
210		return NULL;
211		}
212		network_stat_ptr=network_stats+interfaces;
213	+
214	+	/* Finish reading rx */
215		network_stat_ptr->rx=knp->VALTYPE;
216
217	<	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
218	<	/* Not a network interface, so skip to the next entry */
217	>	/* Read tx */
218	>	if((knp=kstat_data_lookup(ksp, LTX))==NULL){
219		continue;
220		}
221		network_stat_ptr->tx=knp->VALTYPE;
222	+
223	+	/* Read ipackets */
224	+	if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
225	+	continue;
226	+	}
227	+	network_stat_ptr->ipackets=knp->VALTYPE;
228	+
229	+	/* Read opackets */
230	+	if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
231	+	continue;
232	+	}
233	+	network_stat_ptr->opackets=knp->VALTYPE;
234	+
235	+	/* Read ierrors */
236	+	if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
237	+	continue;
238	+	}
239	+	network_stat_ptr->ierrors=knp->value.ui32;
240	+
241	+	/* Read oerrors */
242	+	if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
243	+	continue;
244	+	}
245	+	network_stat_ptr->oerrors=knp->value.ui32;
246	+
247	+	/* Read collisions */
248	+	if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
249	+	continue;
250	+	}
251	+	network_stat_ptr->collisions=knp->value.ui32;
252	+
253	+	/* Read interface name */
254		if(network_stat_ptr->interface_name!=NULL){
255		free(network_stat_ptr->interface_name);
256		}
257		network_stat_ptr->interface_name=strdup(ksp->ks_name);
258
259	+	/* Store systime */
260		network_stat_ptr->systime=time(NULL);
261	+
262		interfaces++;
263		}
264		}
#	Line 210 | Line 275 | network_stat_t *get_network_stats(int *entries){
275		fgets(line, sizeof(line), f);
276
277
278	<	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){
278	>	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){
279		return NULL;
280		}
281
282		interfaces=0;
283
284		while((fgets(line, sizeof(line), f)) != NULL){
285	<	if((regexec(&regex, line, 4, line_match, 0))!=0){
285	>	if((regexec(&regex, line, 9, line_match, 0))!=0){
286		continue;
287		}
288		network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
#	Line 232 | Line 297 | network_stat_t *get_network_stats(int *entries){
297
298		network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
299		network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
300	<	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
300	>	network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
301	>	network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
302	>	network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
303	>	network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
304	>	network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
305	>	network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
306		network_stat_ptr->systime=time(NULL);
307
308		interfaces++;
#	Line 252 | Line 322 | network_stat_t *get_network_stats(int *entries){
322		}
323
324		long long transfer_diff(long long new, long long old){
325	<	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD)
326	<	#define MAXVAL 4294967296LL
325	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
326	>	/* 32-bit quantities, so we must explicitly deal with wraparound. */
327	>	#define MAXVAL 0x100000000LL
328	>	if (new >= old) {
329	>	return new - old;
330	>	} else {
331	>	return MAXVAL + new - old;
332	>	}
333		#else
334	<	#define MAXVAL 18446744073709551616LL
334	>	/* 64-bit quantities, so plain subtraction works. */
335	>	return new - old;
336		#endif
260	–	long long result;
261	–	if(new>=old){
262	–	result = (new-old);
263	–	}else{
264	–	result = (MAXVAL+(new-old));
265	–	}
266	–
267	–	return result;
268	–
337		}
338
339		network_stat_t *get_network_stats_diff(int *entries) {
#	Line 296 | Line 364 | network_stat_t *get_network_stats_diff(int *entries) {
364		dest->interface_name = strdup(src->interface_name);
365		dest->rx = src->rx;
366		dest->tx = src->tx;
367	+	dest->ipackets = src->ipackets;
368	+	dest->opackets = src->opackets;
369	+	dest->ierrors = src->ierrors;
370	+	dest->oerrors = src->oerrors;
371	+	dest->collisions = src->collisions;
372		dest->systime = src->systime;
373		}
374
#	Line 326 | Line 399 | network_stat_t *get_network_stats_diff(int *entries) {
399		difference. */
400		dest->rx = transfer_diff(src->rx, dest->rx);
401		dest->tx = transfer_diff(src->tx, dest->tx);
402	+	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
403	+	dest->opackets = transfer_diff(src->opackets, dest->opackets);
404	+	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
405	+	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
406	+	dest->collisions = transfer_diff(src->collisions, dest->collisions);
407		dest->systime = src->systime - dest->systime;
408		}
409
#	Line 374 | Line 452 | network_iface_stat_t *get_network_iface_stats(int *ent
452		static network_iface_stat_t *network_iface_stats;
453		network_iface_stat_t *network_iface_stat_ptr;
454		static int sizeof_network_iface_stats=0;
455	<	static int ifaces;
455	>	int ifaces = 0;
456
457		#ifdef SOLARIS
458		kstat_ctl_t *kc;
459		kstat_t *ksp;
460		kstat_named_t *knp;
461	+	int sock;
462		#endif
463		#ifdef ALLBSD
464		struct ifaddrs *net, *net_ptr;
465		struct ifmediareq ifmed;
466	<	int s;
466	>	struct ifreq ifr;
467	>	int sock;
468		int x;
469		#endif
470		#ifdef LINUX
471		FILE *f;
472		/* Horrible big enough, but it should be easily big enough */
473		char line[8096];
394	–	void *eth_tool_cmd_buf;
395	–	int buf_size;
474		int sock;
475		#endif
476	<	ifaces = 0;
476	>
477		#ifdef ALLBSD
478		if(getifaddrs(&net) != 0){
479		return NULL;
480		}
481
482	<	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == NULL) return NULL;
482	>	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
483
484		for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
485		if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
#	Line 411 | Line 489 | network_iface_stat_t *get_network_iface_stats(int *ent
489		}
490		network_iface_stat_ptr = network_iface_stats + ifaces;
491
492	+	memset(&ifr, 0, sizeof(ifr));
493	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
494	+
495	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
496	+	continue;
497	+	}
498	+	if((ifr.ifr_flags & IFF_UP) != 0){
499	+	network_iface_stat_ptr->up = 1;
500	+	}else{
501	+	network_iface_stat_ptr->up = 0;
502	+	}
503	+
504	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
505	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
506	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
507	+
508	+	network_iface_stat_ptr->speed = 0;
509	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
510	+	ifaces++;
511	+
512		memset(&ifmed, 0, sizeof(struct ifmediareq));
513		strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
514	<	if(ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
514	>	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
515	>	/* Not all interfaces support the media ioctls. */
516		continue;
517		}
518
#	Line 423 | Line 522 | network_iface_stat_t *get_network_iface_stats(int *ent
522		continue;
523		}
524
426	–	if(network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
427	–	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
428	–	if(network_iface_stat_ptr->interface_name == NULL) return NULL;
429	–
525		/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
526		x = ifmed.ifm_active & 0x0f;
527		switch(x){
#	Line 450 | Line 545 | network_iface_stat_t *get_network_iface_stats(int *ent
545		case(IFM_1000_SX):
546		case(IFM_1000_LX):
547		case(IFM_1000_CX):
548	<	#if defined(FREEBSD) && !defined(FREEBSD5)
549	<	case(IFM_1000_TX):
455	<	case(IFM_1000_FX):
456	<	#else
457	<	case(IFM_1000_T):
548	>	#if defined(IFM_1000_TX) && !defined(OPENBSD)
549	>	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
550		#endif
551	+	#ifdef IFM_1000_FX
552	+	case(IFM_1000_FX): /* FreeBSD 4 */
553	+	#endif
554	+	#ifdef IFM_1000_T
555	+	case(IFM_1000_T): /* FreeBSD 5 */
556	+	#endif
557		network_iface_stat_ptr->speed = 1000;
558		break;
559		/* We don't know what it is */
#	Line 471 | Line 569 | network_iface_stat_t *get_network_iface_stats(int *ent
569		}else{
570		network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
571		}
572	<	ifaces++;
572	>
573		}
574		freeifaddrs(net);
575	<	close(s);
575	>	close(sock);
576		#endif
577
578		#ifdef SOLARIS
579	<	if ((kc = kstat_open()) == NULL) {
580	<	return NULL;
581	<	}
579	>	if ((kc = kstat_open()) == NULL) {
580	>	return NULL;
581	>	}
582
583	<	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
584	<	if (!strcmp(ksp->ks_class, "net")) {
585	<	kstat_read(kc, ksp, NULL);
586	<	if((knp=kstat_data_lookup(ksp, "ifspeed"))==NULL){
587	<	/* Not a network interface, so skip to the next entry */
583	>	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
584	>	return NULL;
585	>	}
586	>
587	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
588	>	if (!strcmp(ksp->ks_class, "net")) {
589	>	struct ifreq ifr;
590	>
591	>	kstat_read(kc, ksp, NULL);
592	>
593	>	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
594	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
595	>	/* Not a network interface. */
596		continue;
597		}
598	<	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
599	<	if(network_iface_stats==NULL){
598	>
599	>	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
600	>	if (network_iface_stats == NULL) {
601		return NULL;
602		}
603		network_iface_stat_ptr = network_iface_stats + ifaces;
604	<	network_iface_stat_ptr->speed = knp->value.ui64 / (1000*1000);
604	>	ifaces++;
605
606	<	if((knp=kstat_data_lookup(ksp, "link_duplex"))==NULL){
607	<	/* Not a network interface, so skip to the next entry */
608	<	continue;
606	>	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
607	>	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
608	>	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
609	>
610	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
611	>	network_iface_stat_ptr->up = 1;
612	>	} else {
613	>	network_iface_stat_ptr->up = 1;
614		}
615
616	<	if(knp->value.ui64 == 0){
617	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
618	<	}else{
619	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
616	>	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
617	>	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
618	>	} else {
619	>	network_iface_stat_ptr->speed = 0;
620		}
621
622	<	if(network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
623	<	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
624	<	if(network_iface_stat_ptr->interface_name == NULL) return NULL;
625	<	ifaces++;
622	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
623	>	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
624	>	switch (knp->value.ui32) {
625	>	case 1:
626	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
627	>	break;
628	>	case 2:
629	>	network_iface_stat_ptr->dup = FULL_DUPLEX;
630	>	break;
631	>	}
632	>	}
633		}
634		}
635	+
636	+	close(sock);
637		kstat_close(kc);
517	–
638		#endif
639		#ifdef LINUX
520	–
640		f = fopen("/proc/net/dev", "r");
641		if(f == NULL){
642		return NULL;
#	Line 528 | Line 647 | network_iface_stat_t *get_network_iface_stats(int *ent
647		return NULL;
648		}
649
531	–	buf_size = sizeof(struct ethtool_cmd);
532	–	eth_tool_cmd_buf = malloc(buf_size);
533	–	if(eth_tool_cmd_buf == NULL) return NULL;
534	–
650		/* Ignore first 2 lines.. Just headings */
651		if((fgets(line, sizeof(line), f)) == NULL) return NULL;
652		if((fgets(line, sizeof(line), f)) == NULL) return NULL;
#	Line 539 | Line 654 | network_iface_stat_t *get_network_iface_stats(int *ent
654		while((fgets(line, sizeof(line), f)) != NULL){
655		char *name, *ptr;
656		struct ifreq ifr;
657	<	struct ethtool_cmd *ethcmd;
657	>	struct ethtool_cmd ethcmd;
658		int err;
659
660		/* Get the interface name */
#	Line 551 | Line 666 | network_iface_stat_t *get_network_iface_stats(int *ent
666		name++;
667		}
668
669	<	memset(&ifr, 0, sizeof(ifr));
670	<	memset(eth_tool_cmd_buf, 0, buf_size);
556	<	ifr.ifr_data = (caddr_t) eth_tool_cmd_buf;
557	<	strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
669	>	memset(&ifr, 0, sizeof ifr);
670	>	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
671
672	<	ethcmd = (struct ethtool_cmd *) ifr.ifr_data;
673	<	ethcmd->cmd = ETHTOOL_GSET;
672	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
673	>	continue;
674	>	}
675
562	–	err = ioctl(sock, SIOCETHTOOL, &ifr);
563	–	if(err < 0){
564	–	/* This could fail if the interface doesn't support the command. Carry
565	–	* on to the next :)
566	–	*/
567	–	continue;
568	–	}
569	–
676		/* We have a good interface to add */
677		network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
678		if(network_iface_stats==NULL){
#	Line 574 | Line 680 | network_iface_stat_t *get_network_iface_stats(int *ent
680		}
681		network_iface_stat_ptr = network_iface_stats + ifaces;
682		network_iface_stat_ptr->interface_name = strdup(name);
683	<	network_iface_stat_ptr->speed = ethcmd->speed;
684	<	network_iface_stat_ptr->dup = UNKNOWN_DUPEX;
685	<	if(ethcmd->duplex == 0x00){
686	<	network_iface_stat_ptr->dup = FULL_DUPLEX;
683	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
684	>	network_iface_stat_ptr->up = 1;
685	>	} else {
686	>	network_iface_stat_ptr->up = 0;
687		}
688	<	if(ethcmd->duplex == 0x01){
689	<	network_iface_stat_ptr->dup = HALF_DUPLEX;
688	>
689	>	memset(&ethcmd, 0, sizeof ethcmd);
690	>	ethcmd.cmd = ETHTOOL_GSET;
691	>	ifr.ifr_data = (caddr_t) &ethcmd;
692	>
693	>	err = ioctl(sock, SIOCETHTOOL, &ifr);
694	>	if (err == 0) {
695	>	network_iface_stat_ptr->speed = ethcmd.speed;
696	>
697	>	switch (ethcmd.duplex) {
698	>	case 0x00:
699	>	network_iface_stat_ptr->dup = FULL_DUPLEX;
700	>	break;
701	>	case 0x01:
702	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
703	>	break;
704	>	default:
705	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
706	>	}
707	>	} else {
708	>	/* Not all interfaces support the ethtool ioctl. */
709	>	network_iface_stat_ptr->speed = 0;
710	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
711		}
712	+
713		ifaces++;
714		}
715		close(sock);
716	<	free(eth_tool_cmd_buf);
716	>	fclose(f);
717		#endif
718		*entries = ifaces;
719		return network_iface_stats;

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