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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 1.24 by ats, Wed Jan 21 23:46:54 2004 UTC vs.
Revision 1.55 by ats, Tue Mar 9 11:29:46 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>
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;
#	Line 55 | 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 102 | 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 129 | 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 148 | 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 196 | 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 218 | 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 238 | 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)
326	>	#define MAXVAL 0xffffffffLL
327		#else
328	<	#define MAXVAL 18446744073709551616LL
328	>	#define MAXVAL 0xffffffffffffffffLL
329		#endif
330		long long result;
331		if(new>=old){
#	Line 282 | Line 366 | network_stat_t *get_network_stats_diff(int *entries) {
366		dest->interface_name = strdup(src->interface_name);
367		dest->rx = src->rx;
368		dest->tx = src->tx;
369	+	dest->ipackets = src->ipackets;
370	+	dest->opackets = src->opackets;
371	+	dest->ierrors = src->ierrors;
372	+	dest->oerrors = src->oerrors;
373	+	dest->collisions = src->collisions;
374		dest->systime = src->systime;
375		}
376
#	Line 312 | Line 401 | network_stat_t *get_network_stats_diff(int *entries) {
401		difference. */
402		dest->rx = transfer_diff(src->rx, dest->rx);
403		dest->tx = transfer_diff(src->tx, dest->tx);
404	+	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
405	+	dest->opackets = transfer_diff(src->opackets, dest->opackets);
406	+	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
407	+	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
408	+	dest->collisions = transfer_diff(src->collisions, dest->collisions);
409		dest->systime = src->systime - dest->systime;
410		}
411
412		*entries = diff_count;
413		return diff;
414		}
415	+	/* NETWORK INTERFACE STATS */
416	+
417	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
418	+
419	+	for(net_stats+=start; start<end; start++){
420	+	net_stats->interface_name=NULL;
421	+	net_stats->speed=0;
422	+	net_stats->dup=UNKNOWN_DUPLEX;
423	+	net_stats++;
424	+	}
425	+	}
426	+
427	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
428	+
429	+	if(net_stats==NULL){
430	+
431	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
432	+	return NULL;
433	+	}
434	+	network_iface_stat_init(0, needed_entries, net_stats);
435	+	*cur_entries=needed_entries;
436	+
437	+	return net_stats;
438	+	}
439	+
440	+
441	+	if(*cur_entries<needed_entries){
442	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
443	+	if(net_stats==NULL){
444	+	return NULL;
445	+	}
446	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
447	+	*cur_entries=needed_entries;
448	+	}
449	+
450	+	return net_stats;
451	+	}
452	+
453	+	network_iface_stat_t *get_network_iface_stats(int *entries){
454	+	static network_iface_stat_t *network_iface_stats;
455	+	network_iface_stat_t *network_iface_stat_ptr;
456	+	static int sizeof_network_iface_stats=0;
457	+	int ifaces = 0;
458	+
459	+	#ifdef SOLARIS
460	+	kstat_ctl_t *kc;
461	+	kstat_t *ksp;
462	+	kstat_named_t *knp;
463	+	int sock;
464	+	#endif
465	+	#ifdef ALLBSD
466	+	struct ifaddrs *net, *net_ptr;
467	+	struct ifmediareq ifmed;
468	+	struct ifreq ifr;
469	+	int sock;
470	+	int x;
471	+	#endif
472	+	#ifdef LINUX
473	+	FILE *f;
474	+	/* Horrible big enough, but it should be easily big enough */
475	+	char line[8096];
476	+	int sock;
477	+	#endif
478	+
479	+	#ifdef ALLBSD
480	+	if(getifaddrs(&net) != 0){
481	+	return NULL;
482	+	}
483	+
484	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
485	+
486	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
487	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
488	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
489	+	if(network_iface_stats==NULL){
490	+	return NULL;
491	+	}
492	+	network_iface_stat_ptr = network_iface_stats + ifaces;
493	+
494	+	memset(&ifr, 0, sizeof(ifr));
495	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
496	+
497	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
498	+	continue;
499	+	}
500	+	if((ifr.ifr_flags & IFF_UP) != 0){
501	+	network_iface_stat_ptr->up = 1;
502	+	}else{
503	+	network_iface_stat_ptr->up = 0;
504	+	}
505	+
506	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
507	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
508	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
509	+
510	+	network_iface_stat_ptr->speed = 0;
511	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
512	+	ifaces++;
513	+
514	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
515	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
516	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
517	+	/* Not all interfaces support the media ioctls. */
518	+	continue;
519	+	}
520	+
521	+	/* We may need to change this if we start doing wireless devices too */
522	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
523	+	/* Not a ETHER device */
524	+	continue;
525	+	}
526	+
527	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
528	+	x = ifmed.ifm_active & 0x0f;
529	+	switch(x){
530	+	/* 10 Mbit connections. Speedy :) */
531	+	case(IFM_10_T):
532	+	case(IFM_10_2):
533	+	case(IFM_10_5):
534	+	case(IFM_10_STP):
535	+	case(IFM_10_FL):
536	+	network_iface_stat_ptr->speed = 10;
537	+	break;
538	+	/* 100 Mbit conneections */
539	+	case(IFM_100_TX):
540	+	case(IFM_100_FX):
541	+	case(IFM_100_T4):
542	+	case(IFM_100_VG):
543	+	case(IFM_100_T2):
544	+	network_iface_stat_ptr->speed = 100;
545	+	break;
546	+	/* 1000 Mbit connections */
547	+	case(IFM_1000_SX):
548	+	case(IFM_1000_LX):
549	+	case(IFM_1000_CX):
550	+	#if defined(IFM_1000_TX) && !defined(OPENBSD)
551	+	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
552	+	#endif
553	+	#ifdef IFM_1000_FX
554	+	case(IFM_1000_FX): /* FreeBSD 4 */
555	+	#endif
556	+	#ifdef IFM_1000_T
557	+	case(IFM_1000_T): /* FreeBSD 5 */
558	+	#endif
559	+	network_iface_stat_ptr->speed = 1000;
560	+	break;
561	+	/* We don't know what it is */
562	+	default:
563	+	network_iface_stat_ptr->speed = 0;
564	+	break;
565	+	}
566	+
567	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
568	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
569	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
570	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
571	+	}else{
572	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
573	+	}
574	+
575	+	}
576	+	freeifaddrs(net);
577	+	close(sock);
578	+	#endif
579	+
580	+	#ifdef SOLARIS
581	+	if ((kc = kstat_open()) == NULL) {
582	+	return NULL;
583	+	}
584	+
585	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
586	+	return NULL;
587	+	}
588	+
589	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
590	+	if (!strcmp(ksp->ks_class, "net")) {
591	+	struct ifreq ifr;
592	+
593	+	kstat_read(kc, ksp, NULL);
594	+
595	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
596	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
597	+	/* Not a network interface. */
598	+	continue;
599	+	}
600	+
601	+	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
602	+	if (network_iface_stats == NULL) {
603	+	return NULL;
604	+	}
605	+	network_iface_stat_ptr = network_iface_stats + ifaces;
606	+	ifaces++;
607	+
608	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
609	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
610	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
611	+
612	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
613	+	network_iface_stat_ptr->up = 1;
614	+	} else {
615	+	network_iface_stat_ptr->up = 1;
616	+	}
617	+
618	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
619	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
620	+	} else {
621	+	network_iface_stat_ptr->speed = 0;
622	+	}
623	+
624	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
625	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
626	+	switch (knp->value.ui32) {
627	+	case 1:
628	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
629	+	break;
630	+	case 2:
631	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
632	+	break;
633	+	}
634	+	}
635	+	}
636	+	}
637	+
638	+	close(sock);
639	+	kstat_close(kc);
640	+	#endif
641	+	#ifdef LINUX
642	+	f = fopen("/proc/net/dev", "r");
643	+	if(f == NULL){
644	+	return NULL;
645	+	}
646	+
647	+	/* Setup stuff so we can do the ioctl to get the info */
648	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
649	+	return NULL;
650	+	}
651	+
652	+	/* Ignore first 2 lines.. Just headings */
653	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
654	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
655	+
656	+	while((fgets(line, sizeof(line), f)) != NULL){
657	+	char *name, *ptr;
658	+	struct ifreq ifr;
659	+	struct ethtool_cmd ethcmd;
660	+	int err;
661	+
662	+	/* Get the interface name */
663	+	ptr = strchr(line, ':');
664	+	if (ptr == NULL) continue;
665	+	*ptr='\0';
666	+	name = line;
667	+	while(isspace(*(name))){
668	+	name++;
669	+	}
670	+
671	+	memset(&ifr, 0, sizeof ifr);
672	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
673	+
674	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
675	+	continue;
676	+	}
677	+
678	+	/* We have a good interface to add */
679	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
680	+	if(network_iface_stats==NULL){
681	+	return NULL;
682	+	}
683	+	network_iface_stat_ptr = network_iface_stats + ifaces;
684	+	network_iface_stat_ptr->interface_name = strdup(name);
685	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
686	+	network_iface_stat_ptr->up = 1;
687	+	} else {
688	+	network_iface_stat_ptr->up = 0;
689	+	}
690	+
691	+	memset(&ethcmd, 0, sizeof ethcmd);
692	+	ethcmd.cmd = ETHTOOL_GSET;
693	+	ifr.ifr_data = (caddr_t) &ethcmd;
694	+
695	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
696	+	if (err == 0) {
697	+	network_iface_stat_ptr->speed = ethcmd.speed;
698	+
699	+	switch (ethcmd.duplex) {
700	+	case 0x00:
701	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
702	+	break;
703	+	case 0x01:
704	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
705	+	break;
706	+	default:
707	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
708	+	}
709	+	} else {
710	+	/* Not all interfaces support the ethtool ioctl. */
711	+	network_iface_stat_ptr->speed = 0;
712	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
713	+	}
714	+
715	+	ifaces++;
716	+	}
717	+	close(sock);
718	+	fclose(f);
719	+	#endif
720	+	*entries = ifaces;
721	+	return network_iface_stats;
722	+	}
723	+

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