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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 1.58 by tdb, Sun Apr 4 21:54:48 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	+	#include <unistd.h>
70		#endif
71
72		static network_stat_t *network_stats=NULL;
#	Line 55 | Line 78 | void network_stat_init(int start, int end, network_sta
78		net_stats->interface_name=NULL;
79		net_stats->tx=0;
80		net_stats->rx=0;
81	+	net_stats->ipackets=0;
82	+	net_stats->opackets=0;
83	+	net_stats->ierrors=0;
84	+	net_stats->oerrors=0;
85	+	net_stats->collisions=0;
86		net_stats++;
87		}
88		}
#	Line 102 | Line 130 | network_stat_t *get_network_stats(int *entries){
130		/* Horrible big enough, but it should be easily big enough */
131		char line[8096];
132		regex_t regex;
133	<	regmatch_t line_match[4];
133	>	regmatch_t line_match[9];
134		#endif
135		#ifdef ALLBSD
136		struct ifaddrs *net, *net_ptr;
#	Line 129 | Line 157 | network_stat_t *get_network_stats(int *entries){
157		if(network_stat_ptr->interface_name==NULL) return NULL;
158		net_data=(struct if_data *)net_ptr->ifa_data;
159		network_stat_ptr->rx=net_data->ifi_ibytes;
160	<	network_stat_ptr->tx=net_data->ifi_obytes;
160	>	network_stat_ptr->tx=net_data->ifi_obytes;
161	>	network_stat_ptr->ipackets=net_data->ifi_ipackets;
162	>	network_stat_ptr->opackets=net_data->ifi_opackets;
163	>	network_stat_ptr->ierrors=net_data->ifi_ierrors;
164	>	network_stat_ptr->oerrors=net_data->ifi_oerrors;
165	>	network_stat_ptr->collisions=net_data->ifi_collisions;
166		network_stat_ptr->systime=time(NULL);
167		interfaces++;
168		}
#	Line 148 | Line 181 | network_stat_t *get_network_stats(int *entries){
181		kstat_read(kc, ksp, NULL);
182
183		#ifdef SOL7
184	<	#define RLOOKUP "rbytes"
185	<	#define WLOOKUP "obytes"
184	>	#define LRX "rbytes"
185	>	#define LTX "obytes"
186	>	#define LIPACKETS "ipackets"
187	>	#define LOPACKETS "opackets"
188		#define VALTYPE value.ui32
189		#else
190	<	#define RLOOKUP "rbytes64"
191	<	#define WLOOKUP "obytes64"
190	>	#define LRX "rbytes64"
191	>	#define LTX "obytes64"
192	>	#define LIPACKETS "ipackets64"
193	>	#define LOPACKETS "opackets64"
194		#define VALTYPE value.ui64
195		#endif
196
197	<	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
198	<	/* Not a network interface, so skip to the next entry */
197	>	/* Read rx */
198	>	if((knp=kstat_data_lookup(ksp, LRX))==NULL){
199	>	/* This is a network interface, but it doesn't
200	>	* have the rbytes/obytes values; for instance,
201	>	* the loopback devices have this behaviour
202	>	* (although they do track packets in/out). */
203	>	/* FIXME: Show packet counts when byte counts
204	>	* not available. */
205		continue;
206		}
207
208	+	/* Create new network_stats */
209		network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
210		if(network_stats==NULL){
211		return NULL;
212		}
213		network_stat_ptr=network_stats+interfaces;
214	+
215	+	/* Finish reading rx */
216		network_stat_ptr->rx=knp->VALTYPE;
217
218	<	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
219	<	/* Not a network interface, so skip to the next entry */
218	>	/* Read tx */
219	>	if((knp=kstat_data_lookup(ksp, LTX))==NULL){
220		continue;
221		}
222		network_stat_ptr->tx=knp->VALTYPE;
223	+
224	+	/* Read ipackets */
225	+	if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
226	+	continue;
227	+	}
228	+	network_stat_ptr->ipackets=knp->VALTYPE;
229	+
230	+	/* Read opackets */
231	+	if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
232	+	continue;
233	+	}
234	+	network_stat_ptr->opackets=knp->VALTYPE;
235	+
236	+	/* Read ierrors */
237	+	if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
238	+	continue;
239	+	}
240	+	network_stat_ptr->ierrors=knp->value.ui32;
241	+
242	+	/* Read oerrors */
243	+	if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
244	+	continue;
245	+	}
246	+	network_stat_ptr->oerrors=knp->value.ui32;
247	+
248	+	/* Read collisions */
249	+	if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
250	+	continue;
251	+	}
252	+	network_stat_ptr->collisions=knp->value.ui32;
253	+
254	+	/* Read interface name */
255		if(network_stat_ptr->interface_name!=NULL){
256		free(network_stat_ptr->interface_name);
257		}
258		network_stat_ptr->interface_name=strdup(ksp->ks_name);
259
260	+	/* Store systime */
261		network_stat_ptr->systime=time(NULL);
262	+
263		interfaces++;
264		}
265		}
#	Line 196 | Line 276 | network_stat_t *get_network_stats(int *entries){
276		fgets(line, sizeof(line), f);
277
278
279	<	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){
279	>	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){
280		return NULL;
281		}
282
283		interfaces=0;
284
285		while((fgets(line, sizeof(line), f)) != NULL){
286	<	if((regexec(&regex, line, 4, line_match, 0))!=0){
286	>	if((regexec(&regex, line, 9, line_match, 0))!=0){
287		continue;
288		}
289		network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
#	Line 218 | Line 298 | network_stat_t *get_network_stats(int *entries){
298
299		network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
300		network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
301	<	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
301	>	network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
302	>	network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
303	>	network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
304	>	network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
305	>	network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
306	>	network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
307		network_stat_ptr->systime=time(NULL);
308
309		interfaces++;
#	Line 238 | Line 323 | network_stat_t *get_network_stats(int *entries){
323		}
324
325		long long transfer_diff(long long new, long long old){
326	<	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD)
327	<	#define MAXVAL 4294967296LL
326	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
327	>	/* 32-bit quantities, so we must explicitly deal with wraparound. */
328	>	#define MAXVAL 0x100000000LL
329	>	if (new >= old) {
330	>	return new - old;
331	>	} else {
332	>	return MAXVAL + new - old;
333	>	}
334		#else
335	<	#define MAXVAL 18446744073709551616LL
335	>	/* 64-bit quantities, so plain subtraction works. */
336	>	return new - old;
337		#endif
246	–	long long result;
247	–	if(new>=old){
248	–	result = (new-old);
249	–	}else{
250	–	result = (MAXVAL+(new-old));
251	–	}
252	–
253	–	return result;
254	–
338		}
339
340		network_stat_t *get_network_stats_diff(int *entries) {
341		static network_stat_t *diff = NULL;
342		static int diff_count = 0;
343	<	network_stat_t *src, *dest;
343	>	network_stat_t *src = NULL, *dest;
344		int i, j, new_count;
345
346		if (network_stats == NULL) {
#	Line 282 | Line 365 | network_stat_t *get_network_stats_diff(int *entries) {
365		dest->interface_name = strdup(src->interface_name);
366		dest->rx = src->rx;
367		dest->tx = src->tx;
368	+	dest->ipackets = src->ipackets;
369	+	dest->opackets = src->opackets;
370	+	dest->ierrors = src->ierrors;
371	+	dest->oerrors = src->oerrors;
372	+	dest->collisions = src->collisions;
373		dest->systime = src->systime;
374		}
375
#	Line 312 | Line 400 | network_stat_t *get_network_stats_diff(int *entries) {
400		difference. */
401		dest->rx = transfer_diff(src->rx, dest->rx);
402		dest->tx = transfer_diff(src->tx, dest->tx);
403	+	dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
404	+	dest->opackets = transfer_diff(src->opackets, dest->opackets);
405	+	dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
406	+	dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
407	+	dest->collisions = transfer_diff(src->collisions, dest->collisions);
408		dest->systime = src->systime - dest->systime;
409		}
410
411		*entries = diff_count;
412		return diff;
413		}
414	+	/* NETWORK INTERFACE STATS */
415	+
416	+	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
417	+
418	+	for(net_stats+=start; start<end; start++){
419	+	net_stats->interface_name=NULL;
420	+	net_stats->speed=0;
421	+	net_stats->dup=UNKNOWN_DUPLEX;
422	+	net_stats++;
423	+	}
424	+	}
425	+
426	+	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
427	+
428	+	if(net_stats==NULL){
429	+
430	+	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
431	+	return NULL;
432	+	}
433	+	network_iface_stat_init(0, needed_entries, net_stats);
434	+	*cur_entries=needed_entries;
435	+
436	+	return net_stats;
437	+	}
438	+
439	+
440	+	if(*cur_entries<needed_entries){
441	+	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
442	+	if(net_stats==NULL){
443	+	return NULL;
444	+	}
445	+	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
446	+	*cur_entries=needed_entries;
447	+	}
448	+
449	+	return net_stats;
450	+	}
451	+
452	+	network_iface_stat_t *get_network_iface_stats(int *entries){
453	+	static network_iface_stat_t *network_iface_stats;
454	+	network_iface_stat_t *network_iface_stat_ptr;
455	+	static int sizeof_network_iface_stats=0;
456	+	int ifaces = 0;
457	+
458	+	#ifdef SOLARIS
459	+	kstat_ctl_t *kc;
460	+	kstat_t *ksp;
461	+	kstat_named_t *knp;
462	+	int sock;
463	+	#endif
464	+	#ifdef ALLBSD
465	+	struct ifaddrs *net, *net_ptr;
466	+	struct ifmediareq ifmed;
467	+	struct ifreq ifr;
468	+	int sock;
469	+	int x;
470	+	#endif
471	+	#ifdef LINUX
472	+	FILE *f;
473	+	/* Horrible big enough, but it should be easily big enough */
474	+	char line[8096];
475	+	int sock;
476	+	#endif
477	+
478	+	#ifdef ALLBSD
479	+	if(getifaddrs(&net) != 0){
480	+	return NULL;
481	+	}
482	+
483	+	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
484	+
485	+	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
486	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
487	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
488	+	if(network_iface_stats==NULL){
489	+	return NULL;
490	+	}
491	+	network_iface_stat_ptr = network_iface_stats + ifaces;
492	+
493	+	memset(&ifr, 0, sizeof(ifr));
494	+	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
495	+
496	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
497	+	continue;
498	+	}
499	+	if((ifr.ifr_flags & IFF_UP) != 0){
500	+	network_iface_stat_ptr->up = 1;
501	+	}else{
502	+	network_iface_stat_ptr->up = 0;
503	+	}
504	+
505	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
506	+	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
507	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
508	+
509	+	network_iface_stat_ptr->speed = 0;
510	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
511	+	ifaces++;
512	+
513	+	memset(&ifmed, 0, sizeof(struct ifmediareq));
514	+	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
515	+	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
516	+	/* Not all interfaces support the media ioctls. */
517	+	continue;
518	+	}
519	+
520	+	/* We may need to change this if we start doing wireless devices too */
521	+	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
522	+	/* Not a ETHER device */
523	+	continue;
524	+	}
525	+
526	+	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
527	+	x = ifmed.ifm_active & 0x0f;
528	+	switch(x){
529	+	/* 10 Mbit connections. Speedy :) */
530	+	case(IFM_10_T):
531	+	case(IFM_10_2):
532	+	case(IFM_10_5):
533	+	case(IFM_10_STP):
534	+	case(IFM_10_FL):
535	+	network_iface_stat_ptr->speed = 10;
536	+	break;
537	+	/* 100 Mbit conneections */
538	+	case(IFM_100_TX):
539	+	case(IFM_100_FX):
540	+	case(IFM_100_T4):
541	+	case(IFM_100_VG):
542	+	case(IFM_100_T2):
543	+	network_iface_stat_ptr->speed = 100;
544	+	break;
545	+	/* 1000 Mbit connections */
546	+	case(IFM_1000_SX):
547	+	case(IFM_1000_LX):
548	+	case(IFM_1000_CX):
549	+	#if defined(IFM_1000_TX) && !defined(OPENBSD)
550	+	case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
551	+	#endif
552	+	#ifdef IFM_1000_FX
553	+	case(IFM_1000_FX): /* FreeBSD 4 */
554	+	#endif
555	+	#ifdef IFM_1000_T
556	+	case(IFM_1000_T): /* FreeBSD 5 */
557	+	#endif
558	+	network_iface_stat_ptr->speed = 1000;
559	+	break;
560	+	/* We don't know what it is */
561	+	default:
562	+	network_iface_stat_ptr->speed = 0;
563	+	break;
564	+	}
565	+
566	+	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
567	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
568	+	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
569	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
570	+	}else{
571	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
572	+	}
573	+
574	+	}
575	+	freeifaddrs(net);
576	+	close(sock);
577	+	#endif
578	+
579	+	#ifdef SOLARIS
580	+	if ((kc = kstat_open()) == NULL) {
581	+	return NULL;
582	+	}
583	+
584	+	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
585	+	return NULL;
586	+	}
587	+
588	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
589	+	if (!strcmp(ksp->ks_class, "net")) {
590	+	struct ifreq ifr;
591	+
592	+	kstat_read(kc, ksp, NULL);
593	+
594	+	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
595	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
596	+	/* Not a network interface. */
597	+	continue;
598	+	}
599	+
600	+	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
601	+	if (network_iface_stats == NULL) {
602	+	return NULL;
603	+	}
604	+	network_iface_stat_ptr = network_iface_stats + ifaces;
605	+	ifaces++;
606	+
607	+	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
608	+	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
609	+	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
610	+
611	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
612	+	network_iface_stat_ptr->up = 1;
613	+	} else {
614	+	network_iface_stat_ptr->up = 1;
615	+	}
616	+
617	+	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
618	+	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
619	+	} else {
620	+	network_iface_stat_ptr->speed = 0;
621	+	}
622	+
623	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
624	+	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
625	+	switch (knp->value.ui32) {
626	+	case 1:
627	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
628	+	break;
629	+	case 2:
630	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
631	+	break;
632	+	}
633	+	}
634	+	}
635	+	}
636	+
637	+	close(sock);
638	+	kstat_close(kc);
639	+	#endif
640	+	#ifdef LINUX
641	+	f = fopen("/proc/net/dev", "r");
642	+	if(f == NULL){
643	+	return NULL;
644	+	}
645	+
646	+	/* Setup stuff so we can do the ioctl to get the info */
647	+	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
648	+	return NULL;
649	+	}
650	+
651	+	/* Ignore first 2 lines.. Just headings */
652	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
653	+	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
654	+
655	+	while((fgets(line, sizeof(line), f)) != NULL){
656	+	char *name, *ptr;
657	+	struct ifreq ifr;
658	+	struct ethtool_cmd ethcmd;
659	+	int err;
660	+
661	+	/* Get the interface name */
662	+	ptr = strchr(line, ':');
663	+	if (ptr == NULL) continue;
664	+	*ptr='\0';
665	+	name = line;
666	+	while(isspace(*(name))){
667	+	name++;
668	+	}
669	+
670	+	memset(&ifr, 0, sizeof ifr);
671	+	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
672	+
673	+	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
674	+	continue;
675	+	}
676	+
677	+	/* We have a good interface to add */
678	+	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
679	+	if(network_iface_stats==NULL){
680	+	return NULL;
681	+	}
682	+	network_iface_stat_ptr = network_iface_stats + ifaces;
683	+	network_iface_stat_ptr->interface_name = strdup(name);
684	+	if ((ifr.ifr_flags & IFF_UP) != 0) {
685	+	network_iface_stat_ptr->up = 1;
686	+	} else {
687	+	network_iface_stat_ptr->up = 0;
688	+	}
689	+
690	+	memset(&ethcmd, 0, sizeof ethcmd);
691	+	ethcmd.cmd = ETHTOOL_GSET;
692	+	ifr.ifr_data = (caddr_t) &ethcmd;
693	+
694	+	err = ioctl(sock, SIOCETHTOOL, &ifr);
695	+	if (err == 0) {
696	+	network_iface_stat_ptr->speed = ethcmd.speed;
697	+
698	+	switch (ethcmd.duplex) {
699	+	case 0x00:
700	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
701	+	break;
702	+	case 0x01:
703	+	network_iface_stat_ptr->dup = HALF_DUPLEX;
704	+	break;
705	+	default:
706	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
707	+	}
708	+	} else {
709	+	/* Not all interfaces support the ethtool ioctl. */
710	+	network_iface_stat_ptr->speed = 0;
711	+	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
712	+	}
713	+
714	+	ifaces++;
715	+	}
716	+	close(sock);
717	+	fclose(f);
718	+	#endif
719	+	*entries = ifaces;
720	+	return network_iface_stats;
721	+	}
722	+

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