[dragonfly.git] / libexec / rpc.rstatd / rstat_proc.c

/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 *
 * @(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro
 * @(#)rstat_proc.c	2.2 88/08/01 4.0 RPCSRC
 * $FreeBSD: src/libexec/rpc.rstatd/rstat_proc.c,v 1.14.2.1 2002/07/11 17:17:56 alfred Exp $
 */

/*
 * rstat service:  built with rstat.x and derived from rpc.rstatd.c
 *
 * Copyright (c) 1984 by Sun Microsystems, Inc.
 */

#include <sys/param.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/vmmeter.h>

#include <err.h>
#include <fcntl.h>
#include <kinfo.h>
#include <limits.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <devstat.h>

#include <net/if.h>
#include <net/if_mib.h>

#undef FSHIFT			 /* Use protocol's shift and scale values */
#undef FSCALE
#undef if_ipackets
#undef if_ierrors
#undef if_opackets
#undef if_oerrors
#undef if_collisions
#include <rpcsvc/rstat.h>

int haveadisk (void);
void updatexfers (int, int *);
void setup (void);
int stats_service();

extern int from_inetd;
int sincelastreq = 0;		/* number of alarms since last request */
extern int closedown;

union {
    struct stats s1;
    struct statsswtch s2;
    struct statstime s3;
} stats_all;

void updatestat();
static int stat_is_init = 0;

#ifndef FSCALE
#define FSCALE (1 << 8)
#endif

void
stat_init(void)
{
    stat_is_init = 1;
    alarm(0);
    updatestat();
    (void) signal(SIGALRM, updatestat);
    alarm(1);
}

statstime *
rstatproc_stats_3_svc(void *argp, struct svc_req *rqstp)
{
    if (! stat_is_init)
        stat_init();
    sincelastreq = 0;
    return(&stats_all.s3);
}

statsswtch *
rstatproc_stats_2_svc(void *argp, struct svc_req *rqstp)
{
    if (! stat_is_init)
        stat_init();
    sincelastreq = 0;
    return(&stats_all.s2);
}

stats *
rstatproc_stats_1_svc(void *argp, struct svc_req *rqstp)
{
    if (! stat_is_init)
        stat_init();
    sincelastreq = 0;
    return(&stats_all.s1);
}

u_int *
rstatproc_havedisk_3_svc(void *argp, struct svc_req *rqstp)
{
    static u_int have;

    if (! stat_is_init)
        stat_init();
    sincelastreq = 0;
    have = haveadisk();
	return(&have);
}

u_int *
rstatproc_havedisk_2_svc(void *argp, struct svc_req *rqstp)
{
    return(rstatproc_havedisk_3_svc(argp, rqstp));
}

u_int *
rstatproc_havedisk_1_svc(void *argp, struct svc_req *rqstp)
{
    return(rstatproc_havedisk_3_svc(argp, rqstp));
}

void
updatestat(void)
{
	int i, hz;
	struct clockinfo clockrate;
	struct vmmeter vmm;
	size_t vmm_size = sizeof(vmm);
	struct ifmibdata ifmd;
	double avrun[3];
	struct timeval tm, btm;
	struct kinfo_cputime cp_time;
	int mib[6];
	size_t len;
	int ifcount;

#ifdef DEBUG
	fprintf(stderr, "entering updatestat\n");
#endif
	if (sincelastreq >= closedown) {
#ifdef DEBUG
                fprintf(stderr, "about to closedown\n");
#endif
                if (from_inetd)
                        exit(0);
                else {
                        stat_is_init = 0;
                        return;
                }
	}
	sincelastreq++;

	mib[0] = CTL_KERN;
	mib[1] = KERN_CLOCKRATE;
	len = sizeof clockrate;
	if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
		syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
		exit(1);
	}
	hz = clockrate.hz;

	if (kinfo_get_sched_cputime(&cp_time)) {
		syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
		exit(1);
	}
	stats_all.s1.cp_time[0] = cp_time.cp_user;
	stats_all.s1.cp_time[1] = cp_time.cp_nice;
	stats_all.s1.cp_time[2] = cp_time.cp_sys;
	stats_all.s1.cp_time[3] = cp_time.cp_idle;

        (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));

	stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
	stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
	stats_all.s2.avenrun[2] = avrun[2] * FSCALE;

	mib[0] = CTL_KERN;
	mib[1] = KERN_BOOTTIME;
	len = sizeof btm;
	if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
		syslog(LOG_ERR, "sysctl(kern.boottime): %m");
		exit(1);
	}

	stats_all.s2.boottime.tv_sec = btm.tv_sec;
	stats_all.s2.boottime.tv_usec = btm.tv_usec;


#ifdef DEBUG
	fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
	    stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
#endif

	if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
		syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
		exit(1);
	}
	stats_all.s1.v_pgpgin = vmm.v_vnodepgsin;
	stats_all.s1.v_pgpgout = vmm.v_vnodepgsout;
	stats_all.s1.v_pswpin = vmm.v_swappgsin;
	stats_all.s1.v_pswpout = vmm.v_swappgsout;
	stats_all.s1.v_intr = vmm.v_intr;
	gettimeofday(&tm, NULL);
	stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
	    hz*(tm.tv_usec - btm.tv_usec)/1000000;
	stats_all.s2.v_swtch = vmm.v_swtch;

	/* update disk transfers */
	updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);

	mib[0] = CTL_NET;
	mib[1] = PF_LINK;
	mib[2] = NETLINK_GENERIC;
	mib[3] = IFMIB_SYSTEM;
	mib[4] = IFMIB_IFCOUNT;
	len = sizeof ifcount;
	if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
		syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
		exit(1);
	}

	stats_all.s1.if_ipackets = 0;
	stats_all.s1.if_opackets = 0;
	stats_all.s1.if_ierrors = 0;
	stats_all.s1.if_oerrors = 0;
	stats_all.s1.if_collisions = 0;
	for (i = 1; i <= ifcount; i++) {
		len = sizeof ifmd;
		mib[3] = IFMIB_IFDATA;
		mib[4] = i;
		mib[5] = IFDATA_GENERAL;
		if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
			syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
			       ": %m", i);
			exit(1);
		}

		stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
		stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
		stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
		stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
		stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
	}
	gettimeofday((struct timeval *)&stats_all.s3.curtime, NULL);
	alarm(1);
}

/*
 * returns true if have a disk
 */
int
haveadisk(void)
{
	register int i;
	struct statinfo stats;
	int num_devices, retval = 0;

	if ((num_devices = getnumdevs()) < 0) {
		syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
		       devstat_errbuf);
		exit(1);
	}

	if (checkversion() < 0) {
		syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
		exit(1);
	}

	stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
	bzero(stats.dinfo, sizeof(struct devinfo));

	if (getdevs(&stats) == -1) {
		syslog(LOG_ERR, "rstatd: can't get device list: %s",
		       devstat_errbuf);
		exit(1);
	}
	for (i = 0; i < stats.dinfo->numdevs; i++) {
		if (((stats.dinfo->devices[i].device_type
		      & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
		 && ((stats.dinfo->devices[i].device_type
		      & DEVSTAT_TYPE_PASS) == 0)) {
			retval = 1;
			break;
		}
	}

	if (stats.dinfo->mem_ptr)
		free(stats.dinfo->mem_ptr);

	free(stats.dinfo);
	return(retval);
}

void
updatexfers(int numdevs, int *devs)
{
	register int i, j, t;
	struct statinfo stats;
	int num_devices = 0;
	u_int64_t total_transfers;

	if ((num_devices = getnumdevs()) < 0) {
		syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
		       devstat_errbuf);
		exit(1);
	}

	if (checkversion() < 0) {
		syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
		exit(1);
	}

	stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
	bzero(stats.dinfo, sizeof(struct devinfo));

	if (getdevs(&stats) == -1) {
		syslog(LOG_ERR, "rstatd: can't get device list: %s",
		       devstat_errbuf);
		exit(1);
	}

	for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
		if (((stats.dinfo->devices[i].device_type
		      & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
		 && ((stats.dinfo->devices[i].device_type
		      & DEVSTAT_TYPE_PASS) == 0)) {
			total_transfers = stats.dinfo->devices[i].num_reads +
					  stats.dinfo->devices[i].num_writes +
					  stats.dinfo->devices[i].num_other;
			/*
			 * XXX KDM If the total transfers for this device
			 * are greater than the amount we can fit in a
			 * signed integer, just set them to the maximum
			 * amount we can fit in a signed integer.  I have a
			 * feeling that the rstat protocol assumes 32-bit
			 * integers, so this could well break on a 64-bit
			 * architecture like the Alpha.
			 */
			if (total_transfers > INT_MAX)
				t = INT_MAX;
			else
				t = total_transfers;
			devs[j] = t;
			j++;
		}
	}

	if (stats.dinfo->mem_ptr)
		free(stats.dinfo->mem_ptr);

	free(stats.dinfo);
}

void
rstat_service(struct svc_req *rqstp, SVCXPRT *transp)
{
	union {
		int fill;
	} argument;
	char *result;
	bool_t (*xdr_argument)(), (*xdr_result)();
	char *(*local)();

	switch (rqstp->rq_proc) {
	case NULLPROC:
		(void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
		goto leave;

	case RSTATPROC_STATS:
		xdr_argument = xdr_void;
		xdr_result = xdr_statstime;
                switch (rqstp->rq_vers) {
                case RSTATVERS_ORIG:
                        local = (char *(*)()) rstatproc_stats_1_svc;
                        break;
                case RSTATVERS_SWTCH:
                        local = (char *(*)()) rstatproc_stats_2_svc;
                        break;
                case RSTATVERS_TIME:
                        local = (char *(*)()) rstatproc_stats_3_svc;
                        break;
                default:
                        svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
                        goto leave;
                        /*NOTREACHED*/
                }
		break;

	case RSTATPROC_HAVEDISK:
		xdr_argument = xdr_void;
		xdr_result = xdr_u_int;
                switch (rqstp->rq_vers) {
                case RSTATVERS_ORIG:
                        local = (char *(*)()) rstatproc_havedisk_1_svc;
                        break;
                case RSTATVERS_SWTCH:
                        local = (char *(*)()) rstatproc_havedisk_2_svc;
                        break;
                case RSTATVERS_TIME:
                        local = (char *(*)()) rstatproc_havedisk_3_svc;
                        break;
                default:
                        svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
                        goto leave;
                        /*NOTREACHED*/
                }
		break;

	default:
		svcerr_noproc(transp);
		goto leave;
	}
	bzero((char *)&argument, sizeof(argument));
	if (!svc_getargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument)) {
		svcerr_decode(transp);
		goto leave;
	}
	result = (*local)(&argument, rqstp);
	if (result != NULL &&
	    !svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
		svcerr_systemerr(transp);
	}
	if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument))
		errx(1, "unable to free arguments");
leave:
        if (from_inetd)
                exit(0);
}
Commit	Line	Data
984263bc MD	1	/*
	2	* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
	3	* unrestricted use provided that this legend is included on all tape
	4	* media and as a part of the software program in whole or part. Users
	5	* may copy or modify Sun RPC without charge, but are not authorized
	6	* to license or distribute it to anyone else except as part of a product or
	7	* program developed by the user.
	8	*
	9	* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
	10	* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
	11	* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
	12	*
	13	* Sun RPC is provided with no support and without any obligation on the
	14	* part of Sun Microsystems, Inc. to assist in its use, correction,
	15	* modification or enhancement.
	16	*
	17	* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
	18	* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
	19	* OR ANY PART THEREOF.
	20	*
	21	* In no event will Sun Microsystems, Inc. be liable for any lost revenue
	22	* or profits or other special, indirect and consequential damages, even if
	23	* Sun has been advised of the possibility of such damages.
	24	*
	25	* Sun Microsystems, Inc.
	26	* 2550 Garcia Avenue
	27	* Mountain View, California 94043
1de703da MD	28	*
	29	* @(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro
	30	* @(#)rstat_proc.c 2.2 88/08/01 4.0 RPCSRC
	31	* $FreeBSD: src/libexec/rpc.rstatd/rstat_proc.c,v 1.14.2.1 2002/07/11 17:17:56 alfred Exp $
984263bc MD	32	*/
984263bc MD	33
984263bc MD	34	/*
	35	* rstat service: built with rstat.x and derived from rpc.rstatd.c
	36	*
	37	* Copyright (c) 1984 by Sun Microsystems, Inc.
	38	*/
	39
e0ecab34	40	#include <sys/param.h>
984263bc MD	41	#include <sys/socket.h>
	42	#include <sys/sysctl.h>
	43	#include <sys/time.h>
	44	#include <sys/vmmeter.h>
984263bc MD	45
	46	#include <err.h>
	47	#include <fcntl.h>
8f5c3d2a	48	#include <kinfo.h>
984263bc MD	49	#include <limits.h>
	50	#include <signal.h>
	51	#include <stdio.h>
	52	#include <stdlib.h>
	53	#include <string.h>
	54	#include <syslog.h>
	55	#include <unistd.h>
	56	#include <devstat.h>
	57
	58	#include <net/if.h>
	59	#include <net/if_mib.h>
	60
	61	#undef FSHIFT /* Use protocol's shift and scale values */
	62	#undef FSCALE
	63	#undef if_ipackets
	64	#undef if_ierrors
	65	#undef if_opackets
	66	#undef if_oerrors
	67	#undef if_collisions
	68	#include <rpcsvc/rstat.h>
	69
f2b7decb	70	int haveadisk (void);
3eefb696 MD	71	void updatexfers (int, int *);
3eefb696 MD	72	void setup (void);
984263bc MD	73	int stats_service();
	74
	75	extern int from_inetd;
	76	int sincelastreq = 0; /* number of alarms since last request */
	77	extern int closedown;
	78
	79	union {
	80	struct stats s1;
	81	struct statsswtch s2;
	82	struct statstime s3;
	83	} stats_all;
	84
	85	void updatestat();
8f5c3d2a	86	static int stat_is_init = 0;
984263bc MD	87
	88	#ifndef FSCALE
	89	#define FSCALE (1 << 8)
	90	#endif
	91
	92	void
89a89091	93	stat_init(void)
984263bc MD	94	{
984263bc MD	95	stat_is_init = 1;
984263bc MD	96	alarm(0);
	97	updatestat();
	98	(void) signal(SIGALRM, updatestat);
	99	alarm(1);
	100	}
	101
	102	statstime *
89a89091	103	rstatproc_stats_3_svc(void argp, struct svc_req rqstp)
984263bc MD	104	{
	105	if (! stat_is_init)
	106	stat_init();
	107	sincelastreq = 0;
	108	return(&stats_all.s3);
	109	}
	110
	111	statsswtch *
89a89091	112	rstatproc_stats_2_svc(void argp, struct svc_req rqstp)
984263bc MD	113	{
	114	if (! stat_is_init)
	115	stat_init();
	116	sincelastreq = 0;
	117	return(&stats_all.s2);
	118	}
	119
	120	stats *
89a89091	121	rstatproc_stats_1_svc(void argp, struct svc_req rqstp)
984263bc MD	122	{
	123	if (! stat_is_init)
	124	stat_init();
	125	sincelastreq = 0;
	126	return(&stats_all.s1);
	127	}
	128
	129	u_int *
89a89091	130	rstatproc_havedisk_3_svc(void argp, struct svc_req rqstp)
984263bc MD	131	{
	132	static u_int have;
	133
	134	if (! stat_is_init)
	135	stat_init();
	136	sincelastreq = 0;
f2b7decb	137	have = haveadisk();
984263bc MD	138	return(&have);
	139	}
	140
	141	u_int *
89a89091	142	rstatproc_havedisk_2_svc(void argp, struct svc_req rqstp)
984263bc MD	143	{
	144	return(rstatproc_havedisk_3_svc(argp, rqstp));
	145	}
	146
	147	u_int *
89a89091	148	rstatproc_havedisk_1_svc(void argp, struct svc_req rqstp)
984263bc MD	149	{
	150	return(rstatproc_havedisk_3_svc(argp, rqstp));
	151	}
	152
	153	void
89a89091	154	updatestat(void)
984263bc MD	155	{
	156	int i, hz;
	157	struct clockinfo clockrate;
f5d21610 JS	158	struct vmmeter vmm;
f5d21610 JS	159	size_t vmm_size = sizeof(vmm);
984263bc MD	160	struct ifmibdata ifmd;
	161	double avrun[3];
	162	struct timeval tm, btm;
f5d21610	163	struct kinfo_cputime cp_time;
984263bc MD	164	int mib[6];
	165	size_t len;
	166	int ifcount;
	167
	168	#ifdef DEBUG
	169	fprintf(stderr, "entering updatestat\n");
	170	#endif
	171	if (sincelastreq >= closedown) {
	172	#ifdef DEBUG
	173	fprintf(stderr, "about to closedown\n");
	174	#endif
984263bc MD	175	if (from_inetd)
	176	exit(0);
	177	else {
	178	stat_is_init = 0;
	179	return;
	180	}
	181	}
	182	sincelastreq++;
	183
	184	mib[0] = CTL_KERN;
	185	mib[1] = KERN_CLOCKRATE;
	186	len = sizeof clockrate;
	187	if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
	188	syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
	189	exit(1);
	190	}
	191	hz = clockrate.hz;
	192
f5d21610	193	if (kinfo_get_sched_cputime(&cp_time)) {
984263bc MD	194	syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
	195	exit(1);
	196	}
f5d21610 JS	197	stats_all.s1.cp_time[0] = cp_time.cp_user;
	198	stats_all.s1.cp_time[1] = cp_time.cp_nice;
	199	stats_all.s1.cp_time[2] = cp_time.cp_sys;
	200	stats_all.s1.cp_time[3] = cp_time.cp_idle;
984263bc MD	201
	202	(void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
	203
	204	stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
	205	stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
	206	stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
	207
	208	mib[0] = CTL_KERN;
	209	mib[1] = KERN_BOOTTIME;
	210	len = sizeof btm;
	211	if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
	212	syslog(LOG_ERR, "sysctl(kern.boottime): %m");
	213	exit(1);
	214	}
	215
	216	stats_all.s2.boottime.tv_sec = btm.tv_sec;
	217	stats_all.s2.boottime.tv_usec = btm.tv_usec;
	218
	219
	220	#ifdef DEBUG
	221	fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
	222	stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
	223	#endif
	224
f5d21610 JS	225	if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
f5d21610 JS	226	syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
984263bc MD	227	exit(1);
984263bc MD	228	}
f5d21610 JS	229	stats_all.s1.v_pgpgin = vmm.v_vnodepgsin;
	230	stats_all.s1.v_pgpgout = vmm.v_vnodepgsout;
	231	stats_all.s1.v_pswpin = vmm.v_swappgsin;
	232	stats_all.s1.v_pswpout = vmm.v_swappgsout;
	233	stats_all.s1.v_intr = vmm.v_intr;
902ec341	234	gettimeofday(&tm, NULL);
984263bc MD	235	stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
984263bc MD	236	hz*(tm.tv_usec - btm.tv_usec)/1000000;
f5d21610	237	stats_all.s2.v_swtch = vmm.v_swtch;
984263bc MD	238
	239	/* update disk transfers */
	240	updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
	241
	242	mib[0] = CTL_NET;
	243	mib[1] = PF_LINK;
	244	mib[2] = NETLINK_GENERIC;
	245	mib[3] = IFMIB_SYSTEM;
	246	mib[4] = IFMIB_IFCOUNT;
	247	len = sizeof ifcount;
	248	if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
	249	syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
	250	exit(1);
	251	}
	252
	253	stats_all.s1.if_ipackets = 0;
	254	stats_all.s1.if_opackets = 0;
	255	stats_all.s1.if_ierrors = 0;
	256	stats_all.s1.if_oerrors = 0;
	257	stats_all.s1.if_collisions = 0;
	258	for (i = 1; i <= ifcount; i++) {
	259	len = sizeof ifmd;
	260	mib[3] = IFMIB_IFDATA;
	261	mib[4] = i;
	262	mib[5] = IFDATA_GENERAL;
	263	if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
	264	syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
	265	": %m", i);
	266	exit(1);
	267	}
	268
	269	stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
	270	stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
	271	stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
	272	stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
	273	stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
	274	}
902ec341	275	gettimeofday((struct timeval *)&stats_all.s3.curtime, NULL);
984263bc MD	276	alarm(1);
	277	}
	278
984263bc MD	279	/*
	280	* returns true if have a disk
	281	*/
	282	int
89a89091	283	haveadisk(void)
984263bc MD	284	{
	285	register int i;
	286	struct statinfo stats;
	287	int num_devices, retval = 0;
	288
	289	if ((num_devices = getnumdevs()) < 0) {
	290	syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
	291	devstat_errbuf);
	292	exit(1);
	293	}
	294
	295	if (checkversion() < 0) {
	296	syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
	297	exit(1);
	298	}
	299
	300	stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
	301	bzero(stats.dinfo, sizeof(struct devinfo));
	302
	303	if (getdevs(&stats) == -1) {
	304	syslog(LOG_ERR, "rstatd: can't get device list: %s",
	305	devstat_errbuf);
	306	exit(1);
	307	}
	308	for (i = 0; i < stats.dinfo->numdevs; i++) {
	309	if (((stats.dinfo->devices[i].device_type
	310	& DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
	311	&& ((stats.dinfo->devices[i].device_type
	312	& DEVSTAT_TYPE_PASS) == 0)) {
	313	retval = 1;
	314	break;
	315	}
	316	}
	317
	318	if (stats.dinfo->mem_ptr)
	319	free(stats.dinfo->mem_ptr);
	320
	321	free(stats.dinfo);
	322	return(retval);
	323	}
	324
	325	void
89a89091	326	updatexfers(int numdevs, int *devs)
984263bc MD	327	{
	328	register int i, j, t;
	329	struct statinfo stats;
	330	int num_devices = 0;
	331	u_int64_t total_transfers;
	332
	333	if ((num_devices = getnumdevs()) < 0) {
	334	syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
	335	devstat_errbuf);
	336	exit(1);
	337	}
	338
	339	if (checkversion() < 0) {
	340	syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
	341	exit(1);
	342	}
	343
	344	stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
	345	bzero(stats.dinfo, sizeof(struct devinfo));
	346
	347	if (getdevs(&stats) == -1) {
	348	syslog(LOG_ERR, "rstatd: can't get device list: %s",
	349	devstat_errbuf);
	350	exit(1);
	351	}
	352
	353	for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
	354	if (((stats.dinfo->devices[i].device_type
	355	& DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
	356	&& ((stats.dinfo->devices[i].device_type
	357	& DEVSTAT_TYPE_PASS) == 0)) {
	358	total_transfers = stats.dinfo->devices[i].num_reads +
	359	stats.dinfo->devices[i].num_writes +
	360	stats.dinfo->devices[i].num_other;
	361	/*
	362	* XXX KDM If the total transfers for this device
	363	* are greater than the amount we can fit in a
	364	* signed integer, just set them to the maximum
	365	* amount we can fit in a signed integer. I have a
	366	* feeling that the rstat protocol assumes 32-bit
	367	* integers, so this could well break on a 64-bit
	368	* architecture like the Alpha.
	369	*/
	370	if (total_transfers > INT_MAX)
	371	t = INT_MAX;
	372	else
	373	t = total_transfers;
	374	devs[j] = t;
	375	j++;
	376	}
	377	}
	378
	379	if (stats.dinfo->mem_ptr)
	380	free(stats.dinfo->mem_ptr);
	381
	382	free(stats.dinfo);
	383	}
	384
	385	void
89a89091	386	rstat_service(struct svc_req rqstp, SVCXPRT transp)
984263bc MD	387	{
	388	union {
	389	int fill;
	390	} argument;
	391	char *result;
	392	bool_t (xdr_argument)(), (xdr_result)();
	393	char (local)();
	394
	395	switch (rqstp->rq_proc) {
	396	case NULLPROC:
4260e333	397	(void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
984263bc MD	398	goto leave;
	399
	400	case RSTATPROC_STATS:
	401	xdr_argument = xdr_void;
	402	xdr_result = xdr_statstime;
	403	switch (rqstp->rq_vers) {
	404	case RSTATVERS_ORIG:
	405	local = (char ()()) rstatproc_stats_1_svc;
	406	break;
	407	case RSTATVERS_SWTCH:
	408	local = (char ()()) rstatproc_stats_2_svc;
	409	break;
	410	case RSTATVERS_TIME:
	411	local = (char ()()) rstatproc_stats_3_svc;
	412	break;
	413	default:
	414	svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
	415	goto leave;
	416	/NOTREACHED/
	417	}
	418	break;
	419
	420	case RSTATPROC_HAVEDISK:
	421	xdr_argument = xdr_void;
	422	xdr_result = xdr_u_int;
	423	switch (rqstp->rq_vers) {
	424	case RSTATVERS_ORIG:
	425	local = (char ()()) rstatproc_havedisk_1_svc;
	426	break;
	427	case RSTATVERS_SWTCH:
	428	local = (char ()()) rstatproc_havedisk_2_svc;
	429	break;
	430	case RSTATVERS_TIME:
	431	local = (char ()()) rstatproc_havedisk_3_svc;
	432	break;
	433	default:
	434	svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
	435	goto leave;
	436	/NOTREACHED/
	437	}
	438	break;
	439
	440	default:
	441	svcerr_noproc(transp);
	442	goto leave;
	443	}
	444	bzero((char *)&argument, sizeof(argument));
4260e333	445	if (!svc_getargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument)) {
984263bc MD	446	svcerr_decode(transp);
	447	goto leave;
	448	}
	449	result = (*local)(&argument, rqstp);
4260e333 SW	450	if (result != NULL &&
4260e333 SW	451	!svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
984263bc MD	452	svcerr_systemerr(transp);
984263bc MD	453	}
4260e333	454	if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument))
984263bc MD	455	errx(1, "unable to free arguments");
	456	leave:
	457	if (from_inetd)
	458	exit(0);
	459	}