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
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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 1.5 2005/01/31 21:20:58 joerg 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/param.h>
42 #include <sys/kinfo.h>
43 #include <sys/socket.h>
44 #include <sys/sysctl.h>
46 #include <sys/vmmeter.h>
47 #include <sys/param.h>
61 #include <net/if_mib.h>
63 #undef FSHIFT /* Use protocol's shift and scale values */
70 #include <rpcsvc/rstat.h>
73 void updatexfers (int, int *);
77 extern int from_inetd;
78 int sincelastreq = 0; /* number of alarms since last request */
88 static stat_is_init = 0;
91 #define FSCALE (1 << 8)
100 (void) signal(SIGALRM, updatestat);
105 rstatproc_stats_3_svc(argp, rqstp)
107 struct svc_req *rqstp;
112 return(&stats_all.s3);
116 rstatproc_stats_2_svc(argp, rqstp)
118 struct svc_req *rqstp;
123 return(&stats_all.s2);
127 rstatproc_stats_1_svc(argp, rqstp)
129 struct svc_req *rqstp;
134 return(&stats_all.s1);
138 rstatproc_havedisk_3_svc(argp, rqstp)
140 struct svc_req *rqstp;
152 rstatproc_havedisk_2_svc(argp, rqstp)
154 struct svc_req *rqstp;
156 return(rstatproc_havedisk_3_svc(argp, rqstp));
160 rstatproc_havedisk_1_svc(argp, rqstp)
162 struct svc_req *rqstp;
164 return(rstatproc_havedisk_3_svc(argp, rqstp));
171 struct clockinfo clockrate;
173 size_t vmm_size = sizeof(vmm);
174 struct ifmibdata ifmd;
176 struct timeval tm, btm;
177 struct kinfo_cputime cp_time;
183 fprintf(stderr, "entering updatestat\n");
185 if (sincelastreq >= closedown) {
187 fprintf(stderr, "about to closedown\n");
199 mib[1] = KERN_CLOCKRATE;
200 len = sizeof clockrate;
201 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
202 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
207 if (kinfo_get_sched_cputime(&cp_time)) {
208 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
211 stats_all.s1.cp_time[0] = cp_time.cp_user;
212 stats_all.s1.cp_time[1] = cp_time.cp_nice;
213 stats_all.s1.cp_time[2] = cp_time.cp_sys;
214 stats_all.s1.cp_time[3] = cp_time.cp_idle;
216 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
218 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
219 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
220 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
223 mib[1] = KERN_BOOTTIME;
225 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
226 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
230 stats_all.s2.boottime.tv_sec = btm.tv_sec;
231 stats_all.s2.boottime.tv_usec = btm.tv_usec;
235 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
236 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
239 if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
240 syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
243 stats_all.s1.v_pgpgin = vmm.v_vnodepgsin;
244 stats_all.s1.v_pgpgout = vmm.v_vnodepgsout;
245 stats_all.s1.v_pswpin = vmm.v_swappgsin;
246 stats_all.s1.v_pswpout = vmm.v_swappgsout;
247 stats_all.s1.v_intr = vmm.v_intr;
248 gettimeofday(&tm, (struct timezone *) 0);
249 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
250 hz*(tm.tv_usec - btm.tv_usec)/1000000;
251 stats_all.s2.v_swtch = vmm.v_swtch;
253 /* update disk transfers */
254 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
258 mib[2] = NETLINK_GENERIC;
259 mib[3] = IFMIB_SYSTEM;
260 mib[4] = IFMIB_IFCOUNT;
261 len = sizeof ifcount;
262 if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
263 syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
267 stats_all.s1.if_ipackets = 0;
268 stats_all.s1.if_opackets = 0;
269 stats_all.s1.if_ierrors = 0;
270 stats_all.s1.if_oerrors = 0;
271 stats_all.s1.if_collisions = 0;
272 for (i = 1; i <= ifcount; i++) {
274 mib[3] = IFMIB_IFDATA;
276 mib[5] = IFDATA_GENERAL;
277 if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
278 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
283 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
284 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
285 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
286 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
287 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
289 gettimeofday((struct timeval *)&stats_all.s3.curtime,
290 (struct timezone *) 0);
295 * returns true if have a disk
301 struct statinfo stats;
302 int num_devices, retval = 0;
304 if ((num_devices = getnumdevs()) < 0) {
305 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
310 if (checkversion() < 0) {
311 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
315 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
316 bzero(stats.dinfo, sizeof(struct devinfo));
318 if (getdevs(&stats) == -1) {
319 syslog(LOG_ERR, "rstatd: can't get device list: %s",
323 for (i = 0; i < stats.dinfo->numdevs; i++) {
324 if (((stats.dinfo->devices[i].device_type
325 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
326 && ((stats.dinfo->devices[i].device_type
327 & DEVSTAT_TYPE_PASS) == 0)) {
333 if (stats.dinfo->mem_ptr)
334 free(stats.dinfo->mem_ptr);
341 updatexfers(numdevs, devs)
344 register int i, j, t;
345 struct statinfo stats;
347 u_int64_t total_transfers;
349 if ((num_devices = getnumdevs()) < 0) {
350 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
355 if (checkversion() < 0) {
356 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
360 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
361 bzero(stats.dinfo, sizeof(struct devinfo));
363 if (getdevs(&stats) == -1) {
364 syslog(LOG_ERR, "rstatd: can't get device list: %s",
369 for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
370 if (((stats.dinfo->devices[i].device_type
371 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
372 && ((stats.dinfo->devices[i].device_type
373 & DEVSTAT_TYPE_PASS) == 0)) {
374 total_transfers = stats.dinfo->devices[i].num_reads +
375 stats.dinfo->devices[i].num_writes +
376 stats.dinfo->devices[i].num_other;
378 * XXX KDM If the total transfers for this device
379 * are greater than the amount we can fit in a
380 * signed integer, just set them to the maximum
381 * amount we can fit in a signed integer. I have a
382 * feeling that the rstat protocol assumes 32-bit
383 * integers, so this could well break on a 64-bit
384 * architecture like the Alpha.
386 if (total_transfers > INT_MAX)
395 if (stats.dinfo->mem_ptr)
396 free(stats.dinfo->mem_ptr);
402 rstat_service(rqstp, transp)
403 struct svc_req *rqstp;
410 bool_t (*xdr_argument)(), (*xdr_result)();
413 switch (rqstp->rq_proc) {
415 (void)svc_sendreply(transp, xdr_void, (char *)NULL);
418 case RSTATPROC_STATS:
419 xdr_argument = xdr_void;
420 xdr_result = xdr_statstime;
421 switch (rqstp->rq_vers) {
423 local = (char *(*)()) rstatproc_stats_1_svc;
425 case RSTATVERS_SWTCH:
426 local = (char *(*)()) rstatproc_stats_2_svc;
429 local = (char *(*)()) rstatproc_stats_3_svc;
432 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
438 case RSTATPROC_HAVEDISK:
439 xdr_argument = xdr_void;
440 xdr_result = xdr_u_int;
441 switch (rqstp->rq_vers) {
443 local = (char *(*)()) rstatproc_havedisk_1_svc;
445 case RSTATVERS_SWTCH:
446 local = (char *(*)()) rstatproc_havedisk_2_svc;
449 local = (char *(*)()) rstatproc_havedisk_3_svc;
452 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
459 svcerr_noproc(transp);
462 bzero((char *)&argument, sizeof(argument));
463 if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) {
464 svcerr_decode(transp);
467 result = (*local)(&argument, rqstp);
468 if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
469 svcerr_systemerr(transp);
471 if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument))
472 errx(1, "unable to free arguments");