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.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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.
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.
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.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
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 $
32 * $DragonFly: src/libexec/rpc.rstatd/rstat_proc.c,v 1.3 2003/11/14 03:54:31 dillon Exp $
36 * rstat service: built with rstat.x and derived from rpc.rstatd.c
38 * Copyright (c) 1984 by Sun Microsystems, Inc.
41 #include <sys/types.h>
42 #include <sys/dkstat.h>
43 #include <sys/socket.h>
44 #include <sys/sysctl.h>
46 #include <sys/vmmeter.h>
47 #include <sys/param.h>
62 #include <net/if_mib.h>
64 #undef FSHIFT /* Use protocol's shift and scale values */
71 #include <rpcsvc/rstat.h>
82 void updatexfers (int, int *);
86 extern int from_inetd;
87 int sincelastreq = 0; /* number of alarms since last request */
97 static stat_is_init = 0;
100 static int cp_time_xlat[RSTAT_CPUSTATES] = { CP_USER, CP_NICE, CP_SYS,
102 static long bsd_cp_time[CPUSTATES];
106 #define FSCALE (1 << 8)
116 (void) signal(SIGALRM, updatestat);
121 rstatproc_stats_3_svc(argp, rqstp)
123 struct svc_req *rqstp;
128 return(&stats_all.s3);
132 rstatproc_stats_2_svc(argp, rqstp)
134 struct svc_req *rqstp;
139 return(&stats_all.s2);
143 rstatproc_stats_1_svc(argp, rqstp)
145 struct svc_req *rqstp;
150 return(&stats_all.s1);
154 rstatproc_havedisk_3_svc(argp, rqstp)
156 struct svc_req *rqstp;
168 rstatproc_havedisk_2_svc(argp, rqstp)
170 struct svc_req *rqstp;
172 return(rstatproc_havedisk_3_svc(argp, rqstp));
176 rstatproc_havedisk_1_svc(argp, rqstp)
178 struct svc_req *rqstp;
180 return(rstatproc_havedisk_3_svc(argp, rqstp));
187 struct clockinfo clockrate;
189 struct ifmibdata ifmd;
191 struct timeval tm, btm;
197 fprintf(stderr, "entering updatestat\n");
199 if (sincelastreq >= closedown) {
201 fprintf(stderr, "about to closedown\n");
214 mib[1] = KERN_CLOCKRATE;
215 len = sizeof clockrate;
216 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
217 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
222 if (kvm_read(kd, (long)nl[X_CPTIME].n_value, (char *)bsd_cp_time, sizeof(bsd_cp_time))
223 != sizeof(bsd_cp_time)) {
224 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
227 for(i = 0; i < RSTAT_CPUSTATES ; i++)
228 stats_all.s1.cp_time[i] = bsd_cp_time[cp_time_xlat[i]];
230 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
232 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
233 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
234 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
237 mib[1] = KERN_BOOTTIME;
239 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
240 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
244 stats_all.s2.boottime.tv_sec = btm.tv_sec;
245 stats_all.s2.boottime.tv_usec = btm.tv_usec;
249 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
250 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
253 /* XXX - should use sysctl */
254 if (kvm_read(kd, (long)nl[X_CNT].n_value, (char *)&cnt, sizeof cnt) != sizeof cnt) {
255 syslog(LOG_ERR, "rstat: can't read cnt from kmem");
258 stats_all.s1.v_pgpgin = cnt.v_vnodepgsin;
259 stats_all.s1.v_pgpgout = cnt.v_vnodepgsout;
260 stats_all.s1.v_pswpin = cnt.v_swappgsin;
261 stats_all.s1.v_pswpout = cnt.v_swappgsout;
262 stats_all.s1.v_intr = cnt.v_intr;
263 gettimeofday(&tm, (struct timezone *) 0);
264 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
265 hz*(tm.tv_usec - btm.tv_usec)/1000000;
266 stats_all.s2.v_swtch = cnt.v_swtch;
268 /* update disk transfers */
269 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
273 mib[2] = NETLINK_GENERIC;
274 mib[3] = IFMIB_SYSTEM;
275 mib[4] = IFMIB_IFCOUNT;
276 len = sizeof ifcount;
277 if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
278 syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
282 stats_all.s1.if_ipackets = 0;
283 stats_all.s1.if_opackets = 0;
284 stats_all.s1.if_ierrors = 0;
285 stats_all.s1.if_oerrors = 0;
286 stats_all.s1.if_collisions = 0;
287 for (i = 1; i <= ifcount; i++) {
289 mib[3] = IFMIB_IFDATA;
291 mib[5] = IFDATA_GENERAL;
292 if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
293 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
298 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
299 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
300 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
301 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
302 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
304 gettimeofday((struct timeval *)&stats_all.s3.curtime,
305 (struct timezone *) 0);
312 char errbuf[_POSIX2_LINE_MAX];
316 if ((kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf)) == NULL) {
317 syslog(LOG_ERR, "rpc.rstatd, %s", errbuf);
321 if ((en = kvm_nlist(kd, nl)) != 0) {
322 syslog(LOG_ERR, "rstatd: Can't get namelist. %d", en);
328 * returns true if have a disk
334 struct statinfo stats;
335 int num_devices, retval = 0;
337 if ((num_devices = getnumdevs()) < 0) {
338 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
343 if (checkversion() < 0) {
344 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
348 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
349 bzero(stats.dinfo, sizeof(struct devinfo));
351 if (getdevs(&stats) == -1) {
352 syslog(LOG_ERR, "rstatd: can't get device list: %s",
356 for (i = 0; i < stats.dinfo->numdevs; i++) {
357 if (((stats.dinfo->devices[i].device_type
358 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
359 && ((stats.dinfo->devices[i].device_type
360 & DEVSTAT_TYPE_PASS) == 0)) {
366 if (stats.dinfo->mem_ptr)
367 free(stats.dinfo->mem_ptr);
374 updatexfers(numdevs, devs)
377 register int i, j, t;
378 struct statinfo stats;
380 u_int64_t total_transfers;
382 if ((num_devices = getnumdevs()) < 0) {
383 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
388 if (checkversion() < 0) {
389 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
393 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
394 bzero(stats.dinfo, sizeof(struct devinfo));
396 if (getdevs(&stats) == -1) {
397 syslog(LOG_ERR, "rstatd: can't get device list: %s",
402 for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
403 if (((stats.dinfo->devices[i].device_type
404 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
405 && ((stats.dinfo->devices[i].device_type
406 & DEVSTAT_TYPE_PASS) == 0)) {
407 total_transfers = stats.dinfo->devices[i].num_reads +
408 stats.dinfo->devices[i].num_writes +
409 stats.dinfo->devices[i].num_other;
411 * XXX KDM If the total transfers for this device
412 * are greater than the amount we can fit in a
413 * signed integer, just set them to the maximum
414 * amount we can fit in a signed integer. I have a
415 * feeling that the rstat protocol assumes 32-bit
416 * integers, so this could well break on a 64-bit
417 * architecture like the Alpha.
419 if (total_transfers > INT_MAX)
428 if (stats.dinfo->mem_ptr)
429 free(stats.dinfo->mem_ptr);
435 rstat_service(rqstp, transp)
436 struct svc_req *rqstp;
443 bool_t (*xdr_argument)(), (*xdr_result)();
446 switch (rqstp->rq_proc) {
448 (void)svc_sendreply(transp, xdr_void, (char *)NULL);
451 case RSTATPROC_STATS:
452 xdr_argument = xdr_void;
453 xdr_result = xdr_statstime;
454 switch (rqstp->rq_vers) {
456 local = (char *(*)()) rstatproc_stats_1_svc;
458 case RSTATVERS_SWTCH:
459 local = (char *(*)()) rstatproc_stats_2_svc;
462 local = (char *(*)()) rstatproc_stats_3_svc;
465 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
471 case RSTATPROC_HAVEDISK:
472 xdr_argument = xdr_void;
473 xdr_result = xdr_u_int;
474 switch (rqstp->rq_vers) {
476 local = (char *(*)()) rstatproc_havedisk_1_svc;
478 case RSTATVERS_SWTCH:
479 local = (char *(*)()) rstatproc_havedisk_2_svc;
482 local = (char *(*)()) rstatproc_havedisk_3_svc;
485 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
492 svcerr_noproc(transp);
495 bzero((char *)&argument, sizeof(argument));
496 if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) {
497 svcerr_decode(transp);
500 result = (*local)(&argument, rqstp);
501 if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
502 svcerr_systemerr(transp);
504 if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument))
505 errx(1, "unable to free arguments");