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>
68 #include <net/if_mib.h>
70 #undef FSHIFT /* Use protocol's shift and scale values */
77 #include <rpcsvc/rstat.h>
88 void updatexfers(int, int *);
90 int stats_service(void);
92 extern int from_inetd;
93 int sincelastreq = 0; /* number of alarms since last request */
103 static int stat_is_init = 0;
106 static int cp_time_xlat[RSTAT_CPUSTATES] = { CP_USER, CP_NICE, CP_SYS,
108 static long bsd_cp_time[CPUSTATES];
112 #define FSCALE (1 << 8)
122 (void) signal(SIGALRM, updatestat);
127 rstatproc_stats_3_svc(void *argp, struct svc_req *rqstp)
132 return(&stats_all.s3);
136 rstatproc_stats_2_svc(void *argp, struct svc_req *rqstp)
141 return(&stats_all.s2);
145 rstatproc_stats_1_svc(void *argp, struct svc_req *rqstp)
150 return(&stats_all.s1);
154 rstatproc_havedisk_3_svc(void *argp, struct svc_req *rqstp)
166 rstatproc_havedisk_2_svc(void *argp, struct svc_req *rqstp)
168 return(rstatproc_havedisk_3_svc(argp, rqstp));
172 rstatproc_havedisk_1_svc(void *argp, struct svc_req *rqstp)
174 return(rstatproc_havedisk_3_svc(argp, rqstp));
181 struct clockinfo clockrate;
183 struct ifmibdata ifmd;
185 struct timeval tm, btm;
191 fprintf(stderr, "entering updatestat\n");
193 if (sincelastreq >= closedown) {
195 fprintf(stderr, "about to closedown\n");
208 mib[1] = KERN_CLOCKRATE;
209 len = sizeof clockrate;
210 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
211 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
216 if (kvm_read(kd, (long)nl[X_CPTIME].n_value, (char *)bsd_cp_time, sizeof(bsd_cp_time))
217 != sizeof(bsd_cp_time)) {
218 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
221 for(i = 0; i < RSTAT_CPUSTATES ; i++)
222 stats_all.s1.cp_time[i] = bsd_cp_time[cp_time_xlat[i]];
224 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
226 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
227 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
228 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
231 mib[1] = KERN_BOOTTIME;
233 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
234 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
238 stats_all.s2.boottime.tv_sec = btm.tv_sec;
239 stats_all.s2.boottime.tv_usec = btm.tv_usec;
243 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
244 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
247 /* XXX - should use sysctl */
248 if (kvm_read(kd, (long)nl[X_CNT].n_value, (char *)&cnt, sizeof cnt) != sizeof cnt) {
249 syslog(LOG_ERR, "rstat: can't read cnt from kmem");
252 stats_all.s1.v_pgpgin = cnt.v_vnodepgsin;
253 stats_all.s1.v_pgpgout = cnt.v_vnodepgsout;
254 stats_all.s1.v_pswpin = cnt.v_swappgsin;
255 stats_all.s1.v_pswpout = cnt.v_swappgsout;
256 stats_all.s1.v_intr = cnt.v_intr;
257 gettimeofday(&tm, (struct timezone *) 0);
258 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
259 hz*(tm.tv_usec - btm.tv_usec)/1000000;
260 stats_all.s2.v_swtch = cnt.v_swtch;
262 /* update disk transfers */
263 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
267 mib[2] = NETLINK_GENERIC;
268 mib[3] = IFMIB_SYSTEM;
269 mib[4] = IFMIB_IFCOUNT;
270 len = sizeof ifcount;
271 if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
272 syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
276 stats_all.s1.if_ipackets = 0;
277 stats_all.s1.if_opackets = 0;
278 stats_all.s1.if_ierrors = 0;
279 stats_all.s1.if_oerrors = 0;
280 stats_all.s1.if_collisions = 0;
281 for (i = 1; i <= ifcount; i++) {
283 mib[3] = IFMIB_IFDATA;
285 mib[5] = IFDATA_GENERAL;
286 if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
290 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
295 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
296 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
297 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
298 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
299 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
301 gettimeofday((struct timeval *)&stats_all.s3.curtime,
302 (struct timezone *) 0);
309 char errbuf[_POSIX2_LINE_MAX];
313 if ((kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf)) == NULL) {
314 syslog(LOG_ERR, "rpc.rstatd, %s", errbuf);
318 if ((en = kvm_nlist(kd, nl)) != 0) {
319 syslog(LOG_ERR, "rstatd: Can't get namelist. %d", en);
325 * returns true if have a disk
331 struct statinfo stats;
332 int num_devices, retval = 0;
334 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
335 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
340 if (devstat_checkversion(NULL) < 0) {
341 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
345 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
346 bzero(stats.dinfo, sizeof(struct devinfo));
348 if (devstat_getdevs(NULL, &stats) == -1) {
349 syslog(LOG_ERR, "rstatd: can't get device list: %s",
353 for (i = 0; i < stats.dinfo->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)) {
363 if (stats.dinfo->mem_ptr)
364 free(stats.dinfo->mem_ptr);
371 updatexfers(int numdevs, int *devs)
373 register int i, j, k, t;
374 struct statinfo stats;
376 u_int64_t total_transfers;
378 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
379 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
384 if (devstat_checkversion(NULL) < 0) {
385 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
389 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
390 bzero(stats.dinfo, sizeof(struct devinfo));
392 if (devstat_getdevs(NULL, &stats) == -1) {
393 syslog(LOG_ERR, "rstatd: can't get device list: %s",
398 for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
399 if (((stats.dinfo->devices[i].device_type
400 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
401 && ((stats.dinfo->devices[i].device_type
402 & DEVSTAT_TYPE_PASS) == 0)) {
404 for (k = 0; k < DEVSTAT_N_TRANS_FLAGS; k++)
406 stats.dinfo->devices[i].operations[k];
408 * XXX KDM If the total transfers for this device
409 * are greater than the amount we can fit in a
410 * signed integer, just set them to the maximum
411 * amount we can fit in a signed integer. I have a
412 * feeling that the rstat protocol assumes 32-bit
413 * integers, so this could well break on a 64-bit
414 * architecture like the Alpha.
416 if (total_transfers > INT_MAX)
425 if (stats.dinfo->mem_ptr)
426 free(stats.dinfo->mem_ptr);
432 rstat_service(struct svc_req *rqstp, SVCXPRT *transp)
438 bool_t (*xdr_argument)(), (*xdr_result)();
441 switch (rqstp->rq_proc) {
443 (void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
446 case RSTATPROC_STATS:
447 xdr_argument = xdr_void;
448 xdr_result = xdr_statstime;
449 switch (rqstp->rq_vers) {
451 local = (char *(*)()) rstatproc_stats_1_svc;
453 case RSTATVERS_SWTCH:
454 local = (char *(*)()) rstatproc_stats_2_svc;
457 local = (char *(*)()) rstatproc_stats_3_svc;
460 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
466 case RSTATPROC_HAVEDISK:
467 xdr_argument = xdr_void;
468 xdr_result = xdr_u_int;
469 switch (rqstp->rq_vers) {
471 local = (char *(*)()) rstatproc_havedisk_1_svc;
473 case RSTATVERS_SWTCH:
474 local = (char *(*)()) rstatproc_havedisk_2_svc;
477 local = (char *(*)()) rstatproc_havedisk_3_svc;
480 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
487 svcerr_noproc(transp);
490 bzero((char *)&argument, sizeof(argument));
491 if (!svc_getargs(transp, (xdrproc_t)xdr_argument, &argument)) {
492 svcerr_decode(transp);
495 result = (*local)(&argument, rqstp);
496 if (result != NULL &&
497 !svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
498 svcerr_systemerr(transp);
500 if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, &argument))
501 errx(1, "unable to free arguments");