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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 1.46 by tdb, Sat Mar 6 19:04:29 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 129 | Line 151 | network_stat_t *get_network_stats(int *entries){
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;
154	>	network_stat_ptr->tx=net_data->ifi_obytes;
155	>	network_stat_ptr->ipackets=net_data->ifi_ipackets;
156	>	network_stat_ptr->opackets=net_data->ifi_opackets;
157	>	network_stat_ptr->ierrors=net_data->ifi_ierrors;
158	>	network_stat_ptr->oerrors=net_data->ifi_oerrors;
159	>	network_stat_ptr->collisions=net_data->ifi_collisions;
160		network_stat_ptr->systime=time(NULL);
161		interfaces++;
162		}
#	Line 158 | Line 185 | network_stat_t *get_network_stats(int *entries){
185		#endif
186
187		if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
188	<	/* Not a network interface, so skip to the next entry */
188	>	/* This is a network interface, but it doesn't
189	>	* have the rbytes/obytes values; for instance,
190	>	* the loopback devices have this behaviour
191	>	* (although they do track packets in/out). */
192		continue;
193		}
194
#	Line 170 | Line 200 | network_stat_t *get_network_stats(int *entries){
200		network_stat_ptr->rx=knp->VALTYPE;
201
202		if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
173	–	/* Not a network interface, so skip to the next entry */
203		continue;
204		}
205		network_stat_ptr->tx=knp->VALTYPE;
#	Line 238 | Line 267 | network_stat_t *get_network_stats(int *entries){
267		}
268
269		long long transfer_diff(long long new, long long old){
270	<	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD)
270	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
271		#define MAXVAL 4294967296LL
272		#else
273		#define MAXVAL 18446744073709551616LL
#	Line 318 | Line 347 | network_stat_t *get_network_stats_diff(int *entries) {
347		*entries = diff_count;
348		return diff;
349		}
350	+	/* NETWORK INTERFACE STATS */
351	+
352	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
353	+
354	+	for(net_stats+=start; start<end; start++){
355	+	net_stats->interface_name=NULL;
356	+	net_stats->speed=0;
357	+	net_stats->dup=UNKNOWN_DUPLEX;
358	+	net_stats++;
359	+	}
360	+	}
361	+
362	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
363	+
364	+	if(net_stats==NULL){
365	+
366	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
367	+	return NULL;
368	+	}
369	+	network_iface_stat_init(0, needed_entries, net_stats);
370	+	*cur_entries=needed_entries;
371	+
372	+	return net_stats;
373	+	}
374	+
375	+
376	+	if(*cur_entries<needed_entries){
377	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
378	+	if(net_stats==NULL){
379	+	return NULL;
380	+	}
381	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
382	+	*cur_entries=needed_entries;
383	+	}
384	+
385	+	return net_stats;
386	+	}
387	+
388	+	network_iface_stat_t *get_network_iface_stats(int *entries){
389	+	static network_iface_stat_t *network_iface_stats;
390	+	network_iface_stat_t *network_iface_stat_ptr;
391	+	static int sizeof_network_iface_stats=0;
392	+	int ifaces = 0;
393	+
394	+	#ifdef SOLARIS
395	+	kstat_ctl_t *kc;
396	+	kstat_t *ksp;
397	+	kstat_named_t *knp;
398	+	int sock;
399	+	#endif
400	+	#ifdef ALLBSD
401	+	struct ifaddrs *net, *net_ptr;
402	+	struct ifmediareq ifmed;
403	+	struct ifreq ifr;
404	+	int sock;
405	+	int x;
406	+	#endif
407	+	#ifdef LINUX
408	+	FILE *f;
409	+	/* Horrible big enough, but it should be easily big enough */
410	+	char line[8096];
411	+	int sock;
412	+	#endif
413	+
414	+	#ifdef ALLBSD
415	+	if(getifaddrs(&net) != 0){
416	+	return NULL;
417	+	}
418	+
419	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
420	+
421	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
422	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
423	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
424	+	if(network_iface_stats==NULL){
425	+	return NULL;
426	+	}
427	+	network_iface_stat_ptr = network_iface_stats + ifaces;
428	+
429	+	memset(&ifr, 0, sizeof(ifr));
430	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
431	+
432	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
433	+	continue;
434	+	}
435	+	if((ifr.ifr_flags & IFF_UP) != 0){
436	+	network_iface_stat_ptr->up = 1;
437	+	}else{
438	+	network_iface_stat_ptr->up = 0;
439	+	}
440	+
441	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
442	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
443	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
444	+
445	+	network_iface_stat_ptr->speed = 0;
446	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
447	+	ifaces++;
448	+
449	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
450	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
451	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
452	+	/* Not all interfaces support the media ioctls. */
453	+	continue;
454	+	}
455	+
456	+	/* We may need to change this if we start doing wireless devices too */
457	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
458	+	/* Not a ETHER device */
459	+	continue;
460	+	}
461	+
462	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
463	+	x = ifmed.ifm_active & 0x0f;
464	+	switch(x){
465	+	/* 10 Mbit connections. Speedy :) */
466	+	case(IFM_10_T):
467	+	case(IFM_10_2):
468	+	case(IFM_10_5):
469	+	case(IFM_10_STP):
470	+	case(IFM_10_FL):
471	+	network_iface_stat_ptr->speed = 10;
472	+	break;
473	+	/* 100 Mbit conneections */
474	+	case(IFM_100_TX):
475	+	case(IFM_100_FX):
476	+	case(IFM_100_T4):
477	+	case(IFM_100_VG):
478	+	case(IFM_100_T2):
479	+	network_iface_stat_ptr->speed = 100;
480	+	break;
481	+	/* 1000 Mbit connections */
482	+	case(IFM_1000_SX):
483	+	case(IFM_1000_LX):
484	+	case(IFM_1000_CX):
485	+	#ifdef IFM_1000_TX
486	+	case(IFM_1000_TX): /* FreeBSD 4 and others? */
487	+	#endif
488	+	#ifdef IFM_1000_FX
489	+	case(IFM_1000_FX): /* FreeBSD 4 */
490	+	#endif
491	+	#ifdef IFM_1000_T
492	+	case(IFM_1000_T): /* FreeBSD 5 */
493	+	#endif
494	+	network_iface_stat_ptr->speed = 1000;
495	+	break;
496	+	/* We don't know what it is */
497	+	default:
498	+	network_iface_stat_ptr->speed = 0;
499	+	break;
500	+	}
501	+
502	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
503	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
504	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
505	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
506	+	}else{
507	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
508	+	}
509	+
510	+	}
511	+	freeifaddrs(net);
512	+	close(sock);
513	+	#endif
514	+
515	+	#ifdef SOLARIS
516	+	if ((kc = kstat_open()) == NULL) {
517	+	return NULL;
518	+	}
519	+
520	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
521	+	return NULL;
522	+	}
523	+
524	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
525	+	if (!strcmp(ksp->ks_class, "net")) {
526	+	struct ifreq ifr;
527	+
528	+	kstat_read(kc, ksp, NULL);
529	+
530	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
531	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
532	+	/* Not a network interface. */
533	+	continue;
534	+	}
535	+
536	+	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
537	+	if (network_iface_stats == NULL) {
538	+	return NULL;
539	+	}
540	+	network_iface_stat_ptr = network_iface_stats + ifaces;
541	+	ifaces++;
542	+
543	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
544	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
545	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
546	+
547	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
548	+	network_iface_stat_ptr->up = 1;
549	+	} else {
550	+	network_iface_stat_ptr->up = 1;
551	+	}
552	+
553	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
554	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
555	+	} else {
556	+	network_iface_stat_ptr->speed = 0;
557	+	}
558	+
559	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
560	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
561	+	switch (knp->value.ui32) {
562	+	case 1:
563	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
564	+	break;
565	+	case 2:
566	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
567	+	break;
568	+	}
569	+	}
570	+	}
571	+	}
572	+
573	+	close(sock);
574	+	kstat_close(kc);
575	+	#endif
576	+	#ifdef LINUX
577	+	f = fopen("/proc/net/dev", "r");
578	+	if(f == NULL){
579	+	return NULL;
580	+	}
581	+
582	+	/* Setup stuff so we can do the ioctl to get the info */
583	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
584	+	return NULL;
585	+	}
586	+
587	+	/* Ignore first 2 lines.. Just headings */
588	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
589	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
590	+
591	+	while((fgets(line, sizeof(line), f)) != NULL){
592	+	char *name, *ptr;
593	+	struct ifreq ifr;
594	+	struct ethtool_cmd ethcmd;
595	+	int err;
596	+
597	+	/* Get the interface name */
598	+	ptr = strchr(line, ':');
599	+	if (ptr == NULL) continue;
600	+	*ptr='\0';
601	+	name = line;
602	+	while(isspace(*(name))){
603	+	name++;
604	+	}
605	+
606	+	memset(&ifr, 0, sizeof ifr);
607	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
608	+
609	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
610	+	continue;
611	+	}
612	+
613	+	/* We have a good interface to add */
614	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
615	+	if(network_iface_stats==NULL){
616	+	return NULL;
617	+	}
618	+	network_iface_stat_ptr = network_iface_stats + ifaces;
619	+	network_iface_stat_ptr->interface_name = strdup(name);
620	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
621	+	network_iface_stat_ptr->up = 1;
622	+	} else {
623	+	network_iface_stat_ptr->up = 0;
624	+	}
625	+
626	+	memset(&ethcmd, 0, sizeof ethcmd);
627	+	ethcmd.cmd = ETHTOOL_GSET;
628	+	ifr.ifr_data = (caddr_t) &ethcmd;
629	+
630	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
631	+	if (err == 0) {
632	+	network_iface_stat_ptr->speed = ethcmd.speed;
633	+
634	+	switch (ethcmd.duplex) {
635	+	case 0x00:
636	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
637	+	break;
638	+	case 0x01:
639	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
640	+	break;
641	+	default:
642	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
643	+	}
644	+	} else {
645	+	/* Not all interfaces support the ethtool ioctl. */
646	+	network_iface_stat_ptr->speed = 0;
647	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
648	+	}
649	+
650	+	ifaces++;
651	+	}
652	+	close(sock);
653	+	fclose(f);
654	+	#endif
655	+	*entries = ifaces;
656	+	return network_iface_stats;
657	+	}
658	+

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