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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 1.36 by pajs, Fri Feb 13 18:54:29 2004 UTC

#	Line 37 | Line 37
37		#include <stdio.h>
38		#include <sys/types.h>
39		#include <regex.h>
40	+	#include <sys/ioctl.h>
41	+	#include <sys/socket.h>
42	+	#include <net/if.h>
43	+	#include <ctype.h>
44		#include "tools.h"
45	+	/* Stuff which could be defined by defining KERNEL, but
46	+	* that would be a bad idea, so we'll just declare it here
47	+	*/
48	+	typedef __uint8_t u8;
49	+	typedef __uint16_t u16;
50	+	typedef __uint32_t u32;
51	+	#include <linux/ethtool.h>
52	+	#include <linux/sockios.h>
53	+	#include <unistd.h>
54		#endif
55		#ifdef ALLBSD
56		#include <sys/types.h>
57		#include <sys/socket.h>
58		#include <ifaddrs.h>
59		#include <net/if.h>
60	+	#include <net/if_media.h>
61	+	#include <sys/ioctl.h>
62		#endif
63
64		static network_stat_t *network_stats=NULL;
#	Line 318 | Line 333 | network_stat_t *get_network_stats_diff(int *entries) {
333		*entries = diff_count;
334		return diff;
335		}
336	+	/* NETWORK INTERFACE STATS */
337	+
338	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
339	+
340	+	for(net_stats+=start; start<end; start++){
341	+	net_stats->interface_name=NULL;
342	+	net_stats->speed=0;
343	+	net_stats->dup=UNKNOWN_DUPLEX;
344	+	net_stats++;
345	+	}
346	+	}
347	+
348	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
349	+
350	+	if(net_stats==NULL){
351	+
352	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
353	+	return NULL;
354	+	}
355	+	network_iface_stat_init(0, needed_entries, net_stats);
356	+	*cur_entries=needed_entries;
357	+
358	+	return net_stats;
359	+	}
360	+
361	+
362	+	if(*cur_entries<needed_entries){
363	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
364	+	if(net_stats==NULL){
365	+	return NULL;
366	+	}
367	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
368	+	*cur_entries=needed_entries;
369	+	}
370	+
371	+	return net_stats;
372	+	}
373	+
374	+	network_iface_stat_t *get_network_iface_stats(int *entries){
375	+	static network_iface_stat_t *network_iface_stats;
376	+	network_iface_stat_t *network_iface_stat_ptr;
377	+	static int sizeof_network_iface_stats=0;
378	+	static int ifaces;
379	+
380	+	#ifdef SOLARIS
381	+	kstat_ctl_t *kc;
382	+	kstat_t *ksp;
383	+	kstat_named_t *knp;
384	+	#endif
385	+	#ifdef ALLBSD
386	+	struct ifaddrs *net, *net_ptr;
387	+	struct ifmediareq ifmed;
388	+	struct ifreq ifr;
389	+	int s;
390	+	int x;
391	+	#endif
392	+	#ifdef LINUX
393	+	FILE *f;
394	+	/* Horrible big enough, but it should be easily big enough */
395	+	char line[8096];
396	+	void *eth_tool_cmd_buf;
397	+	int buf_size;
398	+	int sock;
399	+	#endif
400	+	ifaces = 0;
401	+	#ifdef ALLBSD
402	+	if(getifaddrs(&net) != 0){
403	+	return NULL;
404	+	}
405	+
406	+	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == NULL) return NULL;
407	+
408	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
409	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
410	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
411	+	if(network_iface_stats==NULL){
412	+	return NULL;
413	+	}
414	+	network_iface_stat_ptr = network_iface_stats + ifaces;
415	+
416	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
417	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
418	+	if(ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
419	+	continue;
420	+	}
421	+
422	+	/* We may need to change this if we start doing wireless devices too */
423	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
424	+	/* Not a ETHER device */
425	+	continue;
426	+	}
427	+
428	+	if(network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
429	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
430	+	if(network_iface_stat_ptr->interface_name == NULL) return NULL;
431	+
432	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
433	+	x = ifmed.ifm_active & 0x0f;
434	+	switch(x){
435	+	/* 10 Mbit connections. Speedy :) */
436	+	case(IFM_10_T):
437	+	case(IFM_10_2):
438	+	case(IFM_10_5):
439	+	case(IFM_10_STP):
440	+	case(IFM_10_FL):
441	+	network_iface_stat_ptr->speed = 10;
442	+	break;
443	+	/* 100 Mbit conneections */
444	+	case(IFM_100_TX):
445	+	case(IFM_100_FX):
446	+	case(IFM_100_T4):
447	+	case(IFM_100_VG):
448	+	case(IFM_100_T2):
449	+	network_iface_stat_ptr->speed = 100;
450	+	break;
451	+	/* 1000 Mbit connections */
452	+	case(IFM_1000_SX):
453	+	case(IFM_1000_LX):
454	+	case(IFM_1000_CX):
455	+	#if defined(FREEBSD) && !defined(FREEBSD5)
456	+	case(IFM_1000_TX):
457	+	case(IFM_1000_FX):
458	+	#else
459	+	case(IFM_1000_T):
460	+	#endif
461	+	network_iface_stat_ptr->speed = 1000;
462	+	break;
463	+	/* We don't know what it is */
464	+	default:
465	+	network_iface_stat_ptr->speed = 0;
466	+	break;
467	+	}
468	+
469	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
470	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
471	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
472	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
473	+	}else{
474	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
475	+	}
476	+
477	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
478	+	continue;
479	+	}
480	+	if((ifr.ifr_flags & IFF_UP) != 0){
481	+	network_iface_stat_ptr->up = 1;
482	+	}else{
483	+	network_iface_stat_ptr->up = 0;
484	+	}
485	+
486	+	ifaces++;
487	+	}
488	+	freeifaddrs(net);
489	+	close(s);
490	+	#endif
491	+
492	+	#ifdef SOLARIS
493	+	if ((kc = kstat_open()) == NULL) {
494	+	return NULL;
495	+	}
496	+
497	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
498	+	if (!strcmp(ksp->ks_class, "net")) {
499	+	kstat_read(kc, ksp, NULL);
500	+	if((knp=kstat_data_lookup(ksp, "ifspeed"))==NULL){
501	+	/* Not a network interface, so skip to the next entry */
502	+	continue;
503	+	}
504	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
505	+	if(network_iface_stats==NULL){
506	+	return NULL;
507	+	}
508	+	network_iface_stat_ptr = network_iface_stats + ifaces;
509	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000*1000);
510	+
511	+	if((knp=kstat_data_lookup(ksp, "link_up"))==NULL){
512	+	/* Not a network interface, so skip to the next entry */
513	+	continue;
514	+	}
515	+	/* Solaris has 1 for up, and 0 for not. As we do too */
516	+	network_iface_stat_ptr->up = value.ui32;
517	+
518	+	if((knp=kstat_data_lookup(ksp, "link_duplex"))==NULL){
519	+	/* Not a network interface, so skip to the next entry */
520	+	continue;
521	+	}
522	+
523	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
524	+	if(knp->value.ui32 == 2){
525	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
526	+	}
527	+	if(knp->value.ui32 == 1){
528	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
529	+	}
530	+
531	+	if(network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
532	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
533	+	if(network_iface_stat_ptr->interface_name == NULL) return NULL;
534	+	ifaces++;
535	+	}
536	+	}
537	+	kstat_close(kc);
538	+
539	+	#endif
540	+	#ifdef LINUX
541	+
542	+	f = fopen("/proc/net/dev", "r");
543	+	if(f == NULL){
544	+	return NULL;
545	+	}
546	+
547	+	/* Setup stuff so we can do the ioctl to get the info */
548	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
549	+	return NULL;
550	+	}
551	+
552	+	buf_size = sizeof(struct ethtool_cmd);
553	+	eth_tool_cmd_buf = malloc(buf_size);
554	+	if(eth_tool_cmd_buf == NULL) return NULL;
555	+
556	+	/* Ignore first 2 lines.. Just headings */
557	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
558	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
559	+
560	+	while((fgets(line, sizeof(line), f)) != NULL){
561	+	char *name, *ptr;
562	+	struct ifreq ifr;
563	+	struct ethtool_cmd *ethcmd;
564	+	int err;
565	+
566	+	/* Get the interface name */
567	+	ptr = strchr(line, ':');
568	+	if (ptr == NULL) continue;
569	+	*ptr='\0';
570	+	name = line;
571	+	while(isspace(*(name))){
572	+	name++;
573	+	}
574	+
575	+	memset(&ifr, 0, sizeof(ifr));
576	+	memset(eth_tool_cmd_buf, 0, buf_size);
577	+	ifr.ifr_data = (caddr_t) eth_tool_cmd_buf;
578	+	strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
579	+
580	+	ethcmd = (struct ethtool_cmd *) ifr.ifr_data;
581	+	ethcmd->cmd = ETHTOOL_GSET;
582	+
583	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
584	+	if(err < 0){
585	+	/* This could fail if the interface doesn't support the command. Carry
586	+	* on to the next :)
587	+	*/
588	+	continue;
589	+	}
590	+
591	+	/* We have a good interface to add */
592	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
593	+	if(network_iface_stats==NULL){
594	+	return NULL;
595	+	}
596	+	network_iface_stat_ptr = network_iface_stats + ifaces;
597	+	network_iface_stat_ptr->interface_name = strdup(name);
598	+	network_iface_stat_ptr->speed = ethcmd->speed;
599	+	if((ifr.ifr_flags & IFF_UP) != 0){
600	+	network_iface_stat_ptr->up = 1;
601	+	}else{
602	+	network_iface_stat_ptr->up = 0;
603	+	}
604	+
605	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
606	+	if(ethcmd->duplex == 0x00){
607	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
608	+	}
609	+	if(ethcmd->duplex == 0x01){
610	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
611	+	}
612	+	ifaces++;
613	+	}
614	+	close(sock);
615	+	free(eth_tool_cmd_buf);
616	+	#endif
617	+	*entries = ifaces;
618	+	return network_iface_stats;
619	+	}
620	+

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