2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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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>
59 #include <net/if_mib.h>
61 #undef FSHIFT /* Use protocol's shift and scale values */
68 #include <rpcsvc/rstat.h>
71 void updatexfers (int, int *);
75 extern int from_inetd;
76 int sincelastreq = 0; /* number of alarms since last request */
86 static int stat_is_init = 0;
89 #define FSCALE (1 << 8)
98 (void) signal(SIGALRM, updatestat);
103 rstatproc_stats_3_svc(argp, rqstp)
105 struct svc_req *rqstp;
110 return(&stats_all.s3);
114 rstatproc_stats_2_svc(argp, rqstp)
116 struct svc_req *rqstp;
121 return(&stats_all.s2);
125 rstatproc_stats_1_svc(argp, rqstp)
127 struct svc_req *rqstp;
132 return(&stats_all.s1);
136 rstatproc_havedisk_3_svc(argp, rqstp)
138 struct svc_req *rqstp;
150 rstatproc_havedisk_2_svc(argp, rqstp)
152 struct svc_req *rqstp;
154 return(rstatproc_havedisk_3_svc(argp, rqstp));
158 rstatproc_havedisk_1_svc(argp, rqstp)
160 struct svc_req *rqstp;
162 return(rstatproc_havedisk_3_svc(argp, rqstp));
169 struct clockinfo clockrate;
171 size_t vmm_size = sizeof(vmm);
172 struct ifmibdata ifmd;
174 struct timeval tm, btm;
175 struct kinfo_cputime cp_time;
181 fprintf(stderr, "entering updatestat\n");
183 if (sincelastreq >= closedown) {
185 fprintf(stderr, "about to closedown\n");
197 mib[1] = KERN_CLOCKRATE;
198 len = sizeof clockrate;
199 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
200 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
205 if (kinfo_get_sched_cputime(&cp_time)) {
206 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
209 stats_all.s1.cp_time[0] = cp_time.cp_user;
210 stats_all.s1.cp_time[1] = cp_time.cp_nice;
211 stats_all.s1.cp_time[2] = cp_time.cp_sys;
212 stats_all.s1.cp_time[3] = cp_time.cp_idle;
214 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
216 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
217 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
218 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
221 mib[1] = KERN_BOOTTIME;
223 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
224 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
228 stats_all.s2.boottime.tv_sec = btm.tv_sec;
229 stats_all.s2.boottime.tv_usec = btm.tv_usec;
233 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
234 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
237 if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
238 syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
241 stats_all.s1.v_pgpgin = vmm.v_vnodepgsin;
242 stats_all.s1.v_pgpgout = vmm.v_vnodepgsout;
243 stats_all.s1.v_pswpin = vmm.v_swappgsin;
244 stats_all.s1.v_pswpout = vmm.v_swappgsout;
245 stats_all.s1.v_intr = vmm.v_intr;
246 gettimeofday(&tm, NULL);
247 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
248 hz*(tm.tv_usec - btm.tv_usec)/1000000;
249 stats_all.s2.v_swtch = vmm.v_swtch;
251 /* update disk transfers */
252 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
256 mib[2] = NETLINK_GENERIC;
257 mib[3] = IFMIB_SYSTEM;
258 mib[4] = IFMIB_IFCOUNT;
259 len = sizeof ifcount;
260 if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
261 syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
265 stats_all.s1.if_ipackets = 0;
266 stats_all.s1.if_opackets = 0;
267 stats_all.s1.if_ierrors = 0;
268 stats_all.s1.if_oerrors = 0;
269 stats_all.s1.if_collisions = 0;
270 for (i = 1; i <= ifcount; i++) {
272 mib[3] = IFMIB_IFDATA;
274 mib[5] = IFDATA_GENERAL;
275 if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
276 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
281 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
282 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
283 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
284 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
285 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
287 gettimeofday((struct timeval *)&stats_all.s3.curtime, NULL);
292 * returns true if have a disk
298 struct statinfo stats;
299 int num_devices, retval = 0;
301 if ((num_devices = getnumdevs()) < 0) {
302 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
307 if (checkversion() < 0) {
308 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
312 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
313 bzero(stats.dinfo, sizeof(struct devinfo));
315 if (getdevs(&stats) == -1) {
316 syslog(LOG_ERR, "rstatd: can't get device list: %s",
320 for (i = 0; i < stats.dinfo->numdevs; i++) {
321 if (((stats.dinfo->devices[i].device_type
322 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
323 && ((stats.dinfo->devices[i].device_type
324 & DEVSTAT_TYPE_PASS) == 0)) {
330 if (stats.dinfo->mem_ptr)
331 free(stats.dinfo->mem_ptr);
338 updatexfers(numdevs, devs)
341 register int i, j, t;
342 struct statinfo stats;
344 u_int64_t total_transfers;
346 if ((num_devices = getnumdevs()) < 0) {
347 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
352 if (checkversion() < 0) {
353 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
357 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
358 bzero(stats.dinfo, sizeof(struct devinfo));
360 if (getdevs(&stats) == -1) {
361 syslog(LOG_ERR, "rstatd: can't get device list: %s",
366 for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
367 if (((stats.dinfo->devices[i].device_type
368 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
369 && ((stats.dinfo->devices[i].device_type
370 & DEVSTAT_TYPE_PASS) == 0)) {
371 total_transfers = stats.dinfo->devices[i].num_reads +
372 stats.dinfo->devices[i].num_writes +
373 stats.dinfo->devices[i].num_other;
375 * XXX KDM If the total transfers for this device
376 * are greater than the amount we can fit in a
377 * signed integer, just set them to the maximum
378 * amount we can fit in a signed integer. I have a
379 * feeling that the rstat protocol assumes 32-bit
380 * integers, so this could well break on a 64-bit
381 * architecture like the Alpha.
383 if (total_transfers > INT_MAX)
392 if (stats.dinfo->mem_ptr)
393 free(stats.dinfo->mem_ptr);
399 rstat_service(rqstp, transp)
400 struct svc_req *rqstp;
407 bool_t (*xdr_argument)(), (*xdr_result)();
410 switch (rqstp->rq_proc) {
412 (void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
415 case RSTATPROC_STATS:
416 xdr_argument = xdr_void;
417 xdr_result = xdr_statstime;
418 switch (rqstp->rq_vers) {
420 local = (char *(*)()) rstatproc_stats_1_svc;
422 case RSTATVERS_SWTCH:
423 local = (char *(*)()) rstatproc_stats_2_svc;
426 local = (char *(*)()) rstatproc_stats_3_svc;
429 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
435 case RSTATPROC_HAVEDISK:
436 xdr_argument = xdr_void;
437 xdr_result = xdr_u_int;
438 switch (rqstp->rq_vers) {
440 local = (char *(*)()) rstatproc_havedisk_1_svc;
442 case RSTATVERS_SWTCH:
443 local = (char *(*)()) rstatproc_havedisk_2_svc;
446 local = (char *(*)()) rstatproc_havedisk_3_svc;
449 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
456 svcerr_noproc(transp);
459 bzero((char *)&argument, sizeof(argument));
460 if (!svc_getargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument)) {
461 svcerr_decode(transp);
464 result = (*local)(&argument, rqstp);
465 if (result != NULL &&
466 !svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
467 svcerr_systemerr(transp);
469 if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument))
470 errx(1, "unable to free arguments");