2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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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>
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(void *argp, struct svc_req *rqstp)
108 return(&stats_all.s3);
112 rstatproc_stats_2_svc(void *argp, struct svc_req *rqstp)
117 return(&stats_all.s2);
121 rstatproc_stats_1_svc(void *argp, struct svc_req *rqstp)
126 return(&stats_all.s1);
130 rstatproc_havedisk_3_svc(void *argp, struct svc_req *rqstp)
142 rstatproc_havedisk_2_svc(void *argp, struct svc_req *rqstp)
144 return(rstatproc_havedisk_3_svc(argp, rqstp));
148 rstatproc_havedisk_1_svc(void *argp, struct svc_req *rqstp)
150 return(rstatproc_havedisk_3_svc(argp, rqstp));
157 struct clockinfo clockrate;
159 size_t vmm_size = sizeof(vmm);
160 struct ifmibdata ifmd;
162 struct timeval tm, btm;
163 struct kinfo_cputime cp_time;
169 fprintf(stderr, "entering updatestat\n");
171 if (sincelastreq >= closedown) {
173 fprintf(stderr, "about to closedown\n");
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");
193 if (kinfo_get_sched_cputime(&cp_time)) {
194 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
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;
202 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
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;
209 mib[1] = KERN_BOOTTIME;
211 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
212 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
216 stats_all.s2.boottime.tv_sec = btm.tv_sec;
217 stats_all.s2.boottime.tv_usec = btm.tv_usec;
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]);
225 if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
226 syslog(LOG_ERR, "sysctlbyname: vm.vmmeter");
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;
234 gettimeofday(&tm, NULL);
235 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
236 hz*(tm.tv_usec - btm.tv_usec)/1000000;
237 stats_all.s2.v_swtch = vmm.v_swtch;
239 /* update disk transfers */
240 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
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");
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++) {
260 mib[3] = IFMIB_IFDATA;
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)"
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;
275 gettimeofday((struct timeval *)&stats_all.s3.curtime, NULL);
280 * returns true if have a disk
286 struct statinfo stats;
287 int num_devices, retval = 0;
289 if ((num_devices = getnumdevs()) < 0) {
290 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
295 if (checkversion() < 0) {
296 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
300 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
301 bzero(stats.dinfo, sizeof(struct devinfo));
303 if (getdevs(&stats) == -1) {
304 syslog(LOG_ERR, "rstatd: can't get device list: %s",
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)) {
318 if (stats.dinfo->mem_ptr)
319 free(stats.dinfo->mem_ptr);
326 updatexfers(int numdevs, int *devs)
328 register int i, j, t;
329 struct statinfo stats;
331 u_int64_t total_transfers;
333 if ((num_devices = getnumdevs()) < 0) {
334 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
339 if (checkversion() < 0) {
340 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
344 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
345 bzero(stats.dinfo, sizeof(struct devinfo));
347 if (getdevs(&stats) == -1) {
348 syslog(LOG_ERR, "rstatd: can't get device list: %s",
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;
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.
370 if (total_transfers > INT_MAX)
379 if (stats.dinfo->mem_ptr)
380 free(stats.dinfo->mem_ptr);
386 rstat_service(struct svc_req *rqstp, SVCXPRT *transp)
392 bool_t (*xdr_argument)(), (*xdr_result)();
395 switch (rqstp->rq_proc) {
397 (void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
400 case RSTATPROC_STATS:
401 xdr_argument = xdr_void;
402 xdr_result = xdr_statstime;
403 switch (rqstp->rq_vers) {
405 local = (char *(*)()) rstatproc_stats_1_svc;
407 case RSTATVERS_SWTCH:
408 local = (char *(*)()) rstatproc_stats_2_svc;
411 local = (char *(*)()) rstatproc_stats_3_svc;
414 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
420 case RSTATPROC_HAVEDISK:
421 xdr_argument = xdr_void;
422 xdr_result = xdr_u_int;
423 switch (rqstp->rq_vers) {
425 local = (char *(*)()) rstatproc_havedisk_1_svc;
427 case RSTATVERS_SWTCH:
428 local = (char *(*)()) rstatproc_havedisk_2_svc;
431 local = (char *(*)()) rstatproc_havedisk_3_svc;
434 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
441 svcerr_noproc(transp);
444 bzero((char *)&argument, sizeof(argument));
445 if (!svc_getargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument)) {
446 svcerr_decode(transp);
449 result = (*local)(&argument, rqstp);
450 if (result != NULL &&
451 !svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
452 svcerr_systemerr(transp);
454 if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (caddr_t)&argument))
455 errx(1, "unable to free arguments");