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
32 static char sccsid[] = "from: @(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro";
33 static char sccsid[] = "from: @(#)rstat_proc.c 2.2 88/08/01 4.0 RPCSRC";
35 static const char rcsid[] =
40 * rstat service: built with rstat.x and derived from rpc.rstatd.c
42 * Copyright (c) 1984 by Sun Microsystems, Inc.
45 #include <sys/types.h>
46 #include <sys/socket.h>
47 #include <sys/sysctl.h>
49 #include <sys/resource.h>
50 #include <sys/vmmeter.h>
51 #include <sys/param.h>
66 #include <net/if_mib.h>
68 #undef FSHIFT /* Use protocol's shift and scale values */
75 #include <rpcsvc/rstat.h>
78 void updatexfers(int, int *);
79 int stats_service(void);
81 extern int from_inetd;
82 int sincelastreq = 0; /* number of alarms since last request */
92 static int stat_is_init = 0;
94 static int cp_time_xlat[RSTAT_CPUSTATES] = { CP_USER, CP_NICE, CP_SYS,
96 static long bsd_cp_time[CPUSTATES];
100 #define FSCALE (1 << 8)
109 (void) signal(SIGALRM, updatestat);
114 rstatproc_stats_3_svc(void *argp, struct svc_req *rqstp)
119 return(&stats_all.s3);
123 rstatproc_stats_2_svc(void *argp, struct svc_req *rqstp)
128 return(&stats_all.s2);
132 rstatproc_stats_1_svc(void *argp, struct svc_req *rqstp)
137 return(&stats_all.s1);
141 rstatproc_havedisk_3_svc(void *argp, struct svc_req *rqstp)
153 rstatproc_havedisk_2_svc(void *argp, struct svc_req *rqstp)
155 return(rstatproc_havedisk_3_svc(argp, rqstp));
159 rstatproc_havedisk_1_svc(void *argp, struct svc_req *rqstp)
161 return(rstatproc_havedisk_3_svc(argp, rqstp));
168 struct clockinfo clockrate;
170 struct ifmibdata ifmd;
172 struct timeval tm, btm;
178 fprintf(stderr, "entering updatestat\n");
180 if (sincelastreq >= closedown) {
182 fprintf(stderr, "about to closedown\n");
194 mib[1] = KERN_CLOCKRATE;
195 len = sizeof clockrate;
196 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
197 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
202 len = sizeof(bsd_cp_time);
203 if (sysctlbyname("kern.cp_time", bsd_cp_time, &len, 0, 0) < 0) {
204 syslog(LOG_ERR, "sysctl(kern.cp_time): %m");
207 for(i = 0; i < RSTAT_CPUSTATES ; i++)
208 stats_all.s1.cp_time[i] = bsd_cp_time[cp_time_xlat[i]];
210 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
212 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
213 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
214 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
217 mib[1] = KERN_BOOTTIME;
219 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
220 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
224 stats_all.s2.boottime.tv_sec = btm.tv_sec;
225 stats_all.s2.boottime.tv_usec = btm.tv_usec;
229 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
230 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
233 #define FETCH_CNT(stat, cnt) do { \
234 len = sizeof((stat)); \
235 if (sysctlbyname("vm.stats." #cnt , &(stat), &len, 0, 0) < 0) { \
236 syslog(LOG_ERR, "sysctl(vm.stats." #cnt "): %m"); \
241 FETCH_CNT(stats_all.s1.v_pgpgin, vm.v_vnodepgsin);
242 FETCH_CNT(stats_all.s1.v_pgpgout, vm.v_vnodepgsout);
243 FETCH_CNT(stats_all.s1.v_pswpin, vm.v_swappgsin);
244 FETCH_CNT(stats_all.s1.v_pswpout, vm.v_swappgsout);
245 FETCH_CNT(stats_all.s1.v_intr, sys.v_intr);
246 FETCH_CNT(stats_all.s2.v_swtch, sys.v_swtch);
247 gettimeofday(&tm, (struct timezone *) 0);
248 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
249 hz*(tm.tv_usec - btm.tv_usec)/1000000;
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) {
279 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
284 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
285 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
286 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
287 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
288 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
290 gettimeofday((struct timeval *)&stats_all.s3.curtime,
291 (struct timezone *) 0);
296 * returns true if have a disk
302 struct statinfo stats;
303 int num_devices, retval = 0;
305 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
306 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
311 if (devstat_checkversion(NULL) < 0) {
312 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
316 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
317 bzero(stats.dinfo, sizeof(struct devinfo));
319 if (devstat_getdevs(NULL, &stats) == -1) {
320 syslog(LOG_ERR, "rstatd: can't get device list: %s",
324 for (i = 0; i < stats.dinfo->numdevs; i++) {
325 if (((stats.dinfo->devices[i].device_type
326 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
327 && ((stats.dinfo->devices[i].device_type
328 & DEVSTAT_TYPE_PASS) == 0)) {
334 if (stats.dinfo->mem_ptr)
335 free(stats.dinfo->mem_ptr);
342 updatexfers(int numdevs, int *devs)
344 register int i, j, k, t;
345 struct statinfo stats;
347 u_int64_t total_transfers;
349 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
350 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
355 if (devstat_checkversion(NULL) < 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 (devstat_getdevs(NULL, &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)) {
375 for (k = 0; k < DEVSTAT_N_TRANS_FLAGS; k++)
377 stats.dinfo->devices[i].operations[k];
379 * XXX KDM If the total transfers for this device
380 * are greater than the amount we can fit in a
381 * signed integer, just set them to the maximum
382 * amount we can fit in a signed integer. I have a
383 * feeling that the rstat protocol assumes 32-bit
384 * integers, so this could well break on a 64-bit
385 * architecture like the Alpha.
387 if (total_transfers > INT_MAX)
396 if (stats.dinfo->mem_ptr)
397 free(stats.dinfo->mem_ptr);
403 rstat_service(struct svc_req *rqstp, SVCXPRT *transp)
409 bool_t (*xdr_argument)(), (*xdr_result)();
412 switch (rqstp->rq_proc) {
414 (void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
417 case RSTATPROC_STATS:
418 xdr_argument = xdr_void;
419 xdr_result = xdr_statstime;
420 switch (rqstp->rq_vers) {
422 local = (char *(*)()) rstatproc_stats_1_svc;
424 case RSTATVERS_SWTCH:
425 local = (char *(*)()) rstatproc_stats_2_svc;
428 local = (char *(*)()) rstatproc_stats_3_svc;
431 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
437 case RSTATPROC_HAVEDISK:
438 xdr_argument = xdr_void;
439 xdr_result = xdr_u_int;
440 switch (rqstp->rq_vers) {
442 local = (char *(*)()) rstatproc_havedisk_1_svc;
444 case RSTATVERS_SWTCH:
445 local = (char *(*)()) rstatproc_havedisk_2_svc;
448 local = (char *(*)()) rstatproc_havedisk_3_svc;
451 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
458 svcerr_noproc(transp);
461 bzero((char *)&argument, sizeof(argument));
462 if (!svc_getargs(transp, (xdrproc_t)xdr_argument, &argument)) {
463 svcerr_decode(transp);
466 result = (*local)(&argument, rqstp);
467 if (result != NULL &&
468 !svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
469 svcerr_systemerr(transp);
471 if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, &argument))
472 errx(1, "unable to free arguments");