2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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5 * may copy or modify Sun RPC without charge, but are not authorized
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11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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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 $
35 * rstat service: built with rstat.x and derived from rpc.rstatd.c
37 * Copyright (c) 1984 by Sun Microsystems, Inc.
40 #include <sys/param.h>
41 #include <sys/socket.h>
42 #include <sys/sysctl.h>
44 #include <sys/vmmeter.h>
45 #include <sys/param.h>
60 #include <net/if_mib.h>
62 #undef FSHIFT /* Use protocol's shift and scale values */
69 #include <rpcsvc/rstat.h>
72 void updatexfers (int, int *);
76 extern int from_inetd;
77 int sincelastreq = 0; /* number of alarms since last request */
87 static int stat_is_init = 0;
90 #define FSCALE (1 << 8)
99 (void) signal(SIGALRM, updatestat);
104 rstatproc_stats_3_svc(argp, rqstp)
106 struct svc_req *rqstp;
111 return(&stats_all.s3);
115 rstatproc_stats_2_svc(argp, rqstp)
117 struct svc_req *rqstp;
122 return(&stats_all.s2);
126 rstatproc_stats_1_svc(argp, rqstp)
128 struct svc_req *rqstp;
133 return(&stats_all.s1);
137 rstatproc_havedisk_3_svc(argp, rqstp)
139 struct svc_req *rqstp;
151 rstatproc_havedisk_2_svc(argp, rqstp)
153 struct svc_req *rqstp;
155 return(rstatproc_havedisk_3_svc(argp, rqstp));
159 rstatproc_havedisk_1_svc(argp, rqstp)
161 struct svc_req *rqstp;
163 return(rstatproc_havedisk_3_svc(argp, rqstp));
170 struct clockinfo clockrate;
172 size_t vmm_size = sizeof(vmm);
173 struct ifmibdata ifmd;
175 struct timeval tm, btm;
176 struct kinfo_cputime cp_time;
182 fprintf(stderr, "entering updatestat\n");
184 if (sincelastreq >= closedown) {
186 fprintf(stderr, "about to closedown\n");
198 mib[1] = KERN_CLOCKRATE;
199 len = sizeof clockrate;
200 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
201 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
206 if (kinfo_get_sched_cputime(&cp_time)) {
207 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
210 stats_all.s1.cp_time[0] = cp_time.cp_user;
211 stats_all.s1.cp_time[1] = cp_time.cp_nice;
212 stats_all.s1.cp_time[2] = cp_time.cp_sys;
213 stats_all.s1.cp_time[3] = cp_time.cp_idle;
215 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
217 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
218 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
219 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
222 mib[1] = KERN_BOOTTIME;
224 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
225 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
229 stats_all.s2.boottime.tv_sec = btm.tv_sec;
230 stats_all.s2.boottime.tv_usec = btm.tv_usec;
234 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
235 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
238 if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
239 syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
242 stats_all.s1.v_pgpgin = vmm.v_vnodepgsin;
243 stats_all.s1.v_pgpgout = vmm.v_vnodepgsout;
244 stats_all.s1.v_pswpin = vmm.v_swappgsin;
245 stats_all.s1.v_pswpout = vmm.v_swappgsout;
246 stats_all.s1.v_intr = vmm.v_intr;
247 gettimeofday(&tm, NULL);
248 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
249 hz*(tm.tv_usec - btm.tv_usec)/1000000;
250 stats_all.s2.v_swtch = vmm.v_swtch;
252 /* update disk transfers */
253 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
257 mib[2] = NETLINK_GENERIC;
258 mib[3] = IFMIB_SYSTEM;
259 mib[4] = IFMIB_IFCOUNT;
260 len = sizeof ifcount;
261 if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
262 syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
266 stats_all.s1.if_ipackets = 0;
267 stats_all.s1.if_opackets = 0;
268 stats_all.s1.if_ierrors = 0;
269 stats_all.s1.if_oerrors = 0;
270 stats_all.s1.if_collisions = 0;
271 for (i = 1; i <= ifcount; i++) {
273 mib[3] = IFMIB_IFDATA;
275 mib[5] = IFDATA_GENERAL;
276 if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
277 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
282 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
283 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
284 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
285 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
286 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
288 gettimeofday((struct timeval *)&stats_all.s3.curtime, NULL);
293 * returns true if have a disk
299 struct statinfo stats;
300 int num_devices, retval = 0;
302 if ((num_devices = getnumdevs()) < 0) {
303 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
308 if (checkversion() < 0) {
309 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
313 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
314 bzero(stats.dinfo, sizeof(struct devinfo));
316 if (getdevs(&stats) == -1) {
317 syslog(LOG_ERR, "rstatd: can't get device list: %s",
321 for (i = 0; i < stats.dinfo->numdevs; i++) {
322 if (((stats.dinfo->devices[i].device_type
323 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
324 && ((stats.dinfo->devices[i].device_type
325 & DEVSTAT_TYPE_PASS) == 0)) {
331 if (stats.dinfo->mem_ptr)
332 free(stats.dinfo->mem_ptr);
339 updatexfers(numdevs, devs)
342 register int i, j, t;
343 struct statinfo stats;
345 u_int64_t total_transfers;
347 if ((num_devices = getnumdevs()) < 0) {
348 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
353 if (checkversion() < 0) {
354 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
358 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
359 bzero(stats.dinfo, sizeof(struct devinfo));
361 if (getdevs(&stats) == -1) {
362 syslog(LOG_ERR, "rstatd: can't get device list: %s",
367 for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
368 if (((stats.dinfo->devices[i].device_type
369 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
370 && ((stats.dinfo->devices[i].device_type
371 & DEVSTAT_TYPE_PASS) == 0)) {
372 total_transfers = stats.dinfo->devices[i].num_reads +
373 stats.dinfo->devices[i].num_writes +
374 stats.dinfo->devices[i].num_other;
376 * XXX KDM If the total transfers for this device
377 * are greater than the amount we can fit in a
378 * signed integer, just set them to the maximum
379 * amount we can fit in a signed integer. I have a
380 * feeling that the rstat protocol assumes 32-bit
381 * integers, so this could well break on a 64-bit
382 * architecture like the Alpha.
384 if (total_transfers > INT_MAX)
393 if (stats.dinfo->mem_ptr)
394 free(stats.dinfo->mem_ptr);
400 rstat_service(rqstp, transp)
401 struct svc_req *rqstp;
408 bool_t (*xdr_argument)(), (*xdr_result)();
411 switch (rqstp->rq_proc) {
413 (void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
416 case RSTATPROC_STATS:
417 xdr_argument = xdr_void;
418 xdr_result = xdr_statstime;
419 switch (rqstp->rq_vers) {
421 local = (char *(*)()) rstatproc_stats_1_svc;
423 case RSTATVERS_SWTCH:
424 local = (char *(*)()) rstatproc_stats_2_svc;
427 local = (char *(*)()) rstatproc_stats_3_svc;
430 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
436 case RSTATPROC_HAVEDISK:
437 xdr_argument = xdr_void;
438 xdr_result = xdr_u_int;
439 switch (rqstp->rq_vers) {
441 local = (char *(*)()) rstatproc_havedisk_1_svc;
443 case RSTATVERS_SWTCH:
444 local = (char *(*)()) rstatproc_havedisk_2_svc;
447 local = (char *(*)()) rstatproc_havedisk_3_svc;
450 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
457 svcerr_noproc(transp);
460 bzero((char *)&argument, sizeof(argument));
461 if (!svc_getargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument)) {
462 svcerr_decode(transp);
465 result = (*local)(&argument, rqstp);
466 if (result != NULL &&
467 !svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
468 svcerr_systemerr(transp);
470 if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument))
471 errx(1, "unable to free arguments");