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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 1.44 by ats, Sat Feb 14 16:58:19 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 158 | Line 180 | network_stat_t *get_network_stats(int *entries){
180		#endif
181
182		if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
183	<	/* Not a network interface, so skip to the next entry */
183	>	/* This is a network interface, but it doesn't
184	>	* have the rbytes/obytes values; for instance,
185	>	* the loopback devices have this behaviour
186	>	* (although they do track packets in/out). */
187		continue;
188		}
189
#	Line 170 | Line 195 | network_stat_t *get_network_stats(int *entries){
195		network_stat_ptr->rx=knp->VALTYPE;
196
197		if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
173	–	/* Not a network interface, so skip to the next entry */
198		continue;
199		}
200		network_stat_ptr->tx=knp->VALTYPE;
#	Line 318 | Line 342 | network_stat_t *get_network_stats_diff(int *entries) {
342		*entries = diff_count;
343		return diff;
344		}
345	+	/* NETWORK INTERFACE STATS */
346	+
347	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
348	+
349	+	for(net_stats+=start; start<end; start++){
350	+	net_stats->interface_name=NULL;
351	+	net_stats->speed=0;
352	+	net_stats->dup=UNKNOWN_DUPLEX;
353	+	net_stats++;
354	+	}
355	+	}
356	+
357	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
358	+
359	+	if(net_stats==NULL){
360	+
361	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
362	+	return NULL;
363	+	}
364	+	network_iface_stat_init(0, needed_entries, net_stats);
365	+	*cur_entries=needed_entries;
366	+
367	+	return net_stats;
368	+	}
369	+
370	+
371	+	if(*cur_entries<needed_entries){
372	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
373	+	if(net_stats==NULL){
374	+	return NULL;
375	+	}
376	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
377	+	*cur_entries=needed_entries;
378	+	}
379	+
380	+	return net_stats;
381	+	}
382	+
383	+	network_iface_stat_t *get_network_iface_stats(int *entries){
384	+	static network_iface_stat_t *network_iface_stats;
385	+	network_iface_stat_t *network_iface_stat_ptr;
386	+	static int sizeof_network_iface_stats=0;
387	+	int ifaces = 0;
388	+
389	+	#ifdef SOLARIS
390	+	kstat_ctl_t *kc;
391	+	kstat_t *ksp;
392	+	kstat_named_t *knp;
393	+	int sock;
394	+	#endif
395	+	#ifdef ALLBSD
396	+	struct ifaddrs *net, *net_ptr;
397	+	struct ifmediareq ifmed;
398	+	struct ifreq ifr;
399	+	int sock;
400	+	int x;
401	+	#endif
402	+	#ifdef LINUX
403	+	FILE *f;
404	+	/* Horrible big enough, but it should be easily big enough */
405	+	char line[8096];
406	+	int sock;
407	+	#endif
408	+
409	+	#ifdef ALLBSD
410	+	if(getifaddrs(&net) != 0){
411	+	return NULL;
412	+	}
413	+
414	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
415	+
416	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
417	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
418	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
419	+	if(network_iface_stats==NULL){
420	+	return NULL;
421	+	}
422	+	network_iface_stat_ptr = network_iface_stats + ifaces;
423	+
424	+	memset(&ifr, 0, sizeof(ifr));
425	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
426	+
427	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
428	+	continue;
429	+	}
430	+	if((ifr.ifr_flags & IFF_UP) != 0){
431	+	network_iface_stat_ptr->up = 1;
432	+	}else{
433	+	network_iface_stat_ptr->up = 0;
434	+	}
435	+
436	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
437	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
438	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
439	+
440	+	network_iface_stat_ptr->speed = 0;
441	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
442	+	ifaces++;
443	+
444	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
445	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
446	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
447	+	/* Not all interfaces support the media ioctls. */
448	+	continue;
449	+	}
450	+
451	+	/* We may need to change this if we start doing wireless devices too */
452	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
453	+	/* Not a ETHER device */
454	+	continue;
455	+	}
456	+
457	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
458	+	x = ifmed.ifm_active & 0x0f;
459	+	switch(x){
460	+	/* 10 Mbit connections. Speedy :) */
461	+	case(IFM_10_T):
462	+	case(IFM_10_2):
463	+	case(IFM_10_5):
464	+	case(IFM_10_STP):
465	+	case(IFM_10_FL):
466	+	network_iface_stat_ptr->speed = 10;
467	+	break;
468	+	/* 100 Mbit conneections */
469	+	case(IFM_100_TX):
470	+	case(IFM_100_FX):
471	+	case(IFM_100_T4):
472	+	case(IFM_100_VG):
473	+	case(IFM_100_T2):
474	+	network_iface_stat_ptr->speed = 100;
475	+	break;
476	+	/* 1000 Mbit connections */
477	+	case(IFM_1000_SX):
478	+	case(IFM_1000_LX):
479	+	case(IFM_1000_CX):
480	+	#if defined(FREEBSD) && !defined(FREEBSD5)
481	+	case(IFM_1000_TX):
482	+	case(IFM_1000_FX):
483	+	#else
484	+	case(IFM_1000_T):
485	+	#endif
486	+	network_iface_stat_ptr->speed = 1000;
487	+	break;
488	+	/* We don't know what it is */
489	+	default:
490	+	network_iface_stat_ptr->speed = 0;
491	+	break;
492	+	}
493	+
494	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
495	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
496	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
497	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
498	+	}else{
499	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
500	+	}
501	+
502	+	}
503	+	freeifaddrs(net);
504	+	close(sock);
505	+	#endif
506	+
507	+	#ifdef SOLARIS
508	+	if ((kc = kstat_open()) == NULL) {
509	+	return NULL;
510	+	}
511	+
512	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
513	+	return NULL;
514	+	}
515	+
516	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
517	+	if (!strcmp(ksp->ks_class, "net")) {
518	+	struct ifreq ifr;
519	+
520	+	kstat_read(kc, ksp, NULL);
521	+
522	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
523	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
524	+	/* Not a network interface. */
525	+	continue;
526	+	}
527	+
528	+	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
529	+	if (network_iface_stats == NULL) {
530	+	return NULL;
531	+	}
532	+	network_iface_stat_ptr = network_iface_stats + ifaces;
533	+	ifaces++;
534	+
535	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
536	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
537	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
538	+
539	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
540	+	network_iface_stat_ptr->up = 1;
541	+	} else {
542	+	network_iface_stat_ptr->up = 1;
543	+	}
544	+
545	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
546	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
547	+	} else {
548	+	network_iface_stat_ptr->speed = 0;
549	+	}
550	+
551	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
552	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
553	+	switch (knp->value.ui32) {
554	+	case 1:
555	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
556	+	break;
557	+	case 2:
558	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
559	+	break;
560	+	}
561	+	}
562	+	}
563	+	}
564	+
565	+	close(sock);
566	+	kstat_close(kc);
567	+	#endif
568	+	#ifdef LINUX
569	+	f = fopen("/proc/net/dev", "r");
570	+	if(f == NULL){
571	+	return NULL;
572	+	}
573	+
574	+	/* Setup stuff so we can do the ioctl to get the info */
575	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
576	+	return NULL;
577	+	}
578	+
579	+	/* Ignore first 2 lines.. Just headings */
580	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
581	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
582	+
583	+	while((fgets(line, sizeof(line), f)) != NULL){
584	+	char *name, *ptr;
585	+	struct ifreq ifr;
586	+	struct ethtool_cmd ethcmd;
587	+	int err;
588	+
589	+	/* Get the interface name */
590	+	ptr = strchr(line, ':');
591	+	if (ptr == NULL) continue;
592	+	*ptr='\0';
593	+	name = line;
594	+	while(isspace(*(name))){
595	+	name++;
596	+	}
597	+
598	+	memset(&ifr, 0, sizeof ifr);
599	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
600	+
601	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
602	+	continue;
603	+	}
604	+
605	+	/* We have a good interface to add */
606	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
607	+	if(network_iface_stats==NULL){
608	+	return NULL;
609	+	}
610	+	network_iface_stat_ptr = network_iface_stats + ifaces;
611	+	network_iface_stat_ptr->interface_name = strdup(name);
612	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
613	+	network_iface_stat_ptr->up = 1;
614	+	} else {
615	+	network_iface_stat_ptr->up = 0;
616	+	}
617	+
618	+	memset(&ethcmd, 0, sizeof ethcmd);
619	+	ethcmd.cmd = ETHTOOL_GSET;
620	+	ifr.ifr_data = (caddr_t) &ethcmd;
621	+
622	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
623	+	if (err == 0) {
624	+	network_iface_stat_ptr->speed = ethcmd.speed;
625	+
626	+	switch (ethcmd.duplex) {
627	+	case 0x00:
628	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
629	+	break;
630	+	case 0x01:
631	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
632	+	break;
633	+	default:
634	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
635	+	}
636	+	} else {
637	+	/* Not all interfaces support the ethtool ioctl. */
638	+	network_iface_stat_ptr->speed = 0;
639	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
640	+	}
641	+
642	+	ifaces++;
643	+	}
644	+	close(sock);
645	+	fclose(f);
646	+	#endif
647	+	*entries = ifaces;
648	+	return network_iface_stats;
649	+	}
650	+

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