usr/src/cmd/acct/acctmerg.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25 /*
  26  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 /*
  32  *      acctmerg [-a] [-i] [-p] [-t] [-u] [-v] [file...]
  33  *      -a      output in tacct.h/ascii (instead of tacct.h)
  34  *      -i      input is in tacct.h/ascii (instead of tacct.h)
  35  *      -p      print input files with no processing
  36  *      -t      output single record that totals all input
  37  *      -u      summarize by uid, rather than uid/name
  38  *      -v      output in verbose tacct.h/ascii
  39  *      reads std input and 0-NFILE files, all in tacct.h format,
  40  *      sorted by uid/name.
  41  *      merge/adds all records with same uid/name (or same uid if -u,
  42  *      or all records if -t], writes to std. output
  43  *      (still in tacct.h format)
  44  *      note that this can be used to summarize the std input
  45  */
  46
  47 #include <stdio.h>
  48 #include <sys/types.h>
  49 #include <sys/param.h>
  50 #include "acctdef.h"
  51 #include <stdlib.h>
  52
  53 int     nfile;                  /* index of last used in fl */
  54 FILE    *fl[NFILE]      = {stdin};
  55
  56 struct  tacct tb[NFILE];        /* current record from each file */
  57 struct  tacct   tt = {
  58         0,
  59         "TOTAL"
  60 };
  61 int     asciiout;
  62 int     asciiinp;
  63 int     printonly;
  64 int     totalonly;
  65 int     uidsum;
  66 int     verbose;
  67
  68 int     exitcode = 0;
  69
  70 void prtacct(struct tacct *);
  71 struct tacct *getleast(void);
  72 void output(struct tacct *);
  73 void tacctadd(struct tacct *, struct tacct *);
  74 void sumcurr(struct tacct *);
  75
  76 int
  77 main(int argc, char **argv)
  78 {
  79         int i;
  80         struct tacct *tp;
  81
  82         while (--argc > 0) {
  83                 if (**++argv == '-')
  84                         switch (*++*argv) {
  85                         case 'a':
  86                                 asciiout++;
  87                                 continue;
  88                         case 'i':
  89                                 asciiinp++;
  90                                 continue;
  91                         case 'p':
  92                                 printonly++;
  93                                 continue;
  94                         case 't':
  95                                 totalonly++;
  96                                 continue;
  97                         case 'u':
  98                                 uidsum++;
  99                                 continue;
 100                         case 'v':
 101                                 verbose++;
 102                                 asciiout++;
 103                                 continue;
 104                         }
 105                 else {
 106                         if (++nfile >= NFILE) {
 107                                 fprintf(stderr, "acctmerg: >%d files\n", NFILE);
 108                                 exit(1);
 109                         }
 110                         if ((fl[nfile] = fopen(*argv, "r")) == NULL) {
 111                                 fprintf(stderr, "acctmerg: can't open %s\n", *argv);
 112                                 exitcode = 1;
 113                                 /*      exit(1);        */
 114                         }
 115                 }
 116         }
 117
 118         if (printonly) {
 119                 for (i = 0; i <= nfile; i++)
 120                         while (getnext(i))
 121                                 prtacct(&tb[i]);
 122                 exit(exitcode);
 123         }
 124
 125         for (i = 0; i <= nfile; i++)
 126                 if(getnext(i) == 0) {
 127                         fprintf(stderr,"acctmerg: read error file %d.  File may be empty.\n", i);
 128                         exitcode = 2;
 129
 130                 }
 131
 132         while ((tp = getleast()) != NULL)       /* get least uid of all files, */
 133                 sumcurr(tp);                    /* sum all entries for that uid, */
 134         if (totalonly)                          /* and write the 'summed' record */
 135                 output(&tt);
 136
 137         exit(exitcode);
 138 }
 139
 140 /*
 141  *      getleast returns ptr to least (lowest uid)  element of current
 142  *      avail, NULL if none left; always returns 1st of equals
 143  */
 144 struct tacct *
 145 getleast(void)
 146 {
 147         struct tacct *tp, *least;
 148
 149         least = NULL;
 150         for (tp = tb; tp <= &tb[nfile]; tp++) {
 151                 if (tp->ta_name[0] == '\0')
 152                         continue;
 153                 if (least == NULL ||
 154                         tp->ta_uid < least->ta_uid ||
 155                         ((tp->ta_uid == least->ta_uid) &&
 156                         !uidsum &&
 157                         (strncmp(tp->ta_name, least->ta_name, NSZ) < 0)))
 158                         least = tp;
 159         }
 160         return(least);
 161 }
 162
 163 /*
 164  *      sumcurr sums all entries with same uid/name (into tp->tacct record)
 165  *      writes it out, gets new entry
 166  */
 167 void
 168 sumcurr(struct tacct *tp)
 169 {
 170         struct tacct tc;
 171         char *memcpy();
 172
 173         memcpy(&tc, tp, sizeof(struct tacct));
 174         tacctadd(&tt, tp);      /* gets total of all uids */
 175         getnext(tp-&tb[0]);     /* get next one in same file */
 176         while (tp <= &tb[nfile])
 177                 if (tp->ta_name[0] != '\0' &&
 178                         tp->ta_uid == tc.ta_uid &&
 179                         (uidsum || EQN(tp->ta_name, tc.ta_name))) {
 180                         tacctadd(&tc, tp);
 181                         tacctadd(&tt, tp);
 182                         getnext(tp-&tb[0]);
 183                 } else
 184                         tp++;   /* look at next file */
 185         if (!totalonly)
 186                 output(&tc);
 187 }
 188
 189 void
 190 tacctadd(struct tacct *t1, struct tacct *t2)
 191 {
 192         t1->ta_cpu[0] = t1->ta_cpu[0] + t2->ta_cpu[0];
 193         t1->ta_cpu[1] = t1->ta_cpu[1] + t2->ta_cpu[1];
 194         t1->ta_kcore[0] = t1->ta_kcore[0] + t2->ta_kcore[0];
 195         t1->ta_kcore[1] = t1->ta_kcore[1] + t2->ta_kcore[1];
 196         t1->ta_con[0] = t1->ta_con[0] + t2->ta_con[0];
 197         t1->ta_con[1] = t1->ta_con[1] + t2->ta_con[1];
 198         t1->ta_du = t1->ta_du + t2->ta_du;
 199         t1->ta_pc += t2->ta_pc;
 200         t1->ta_sc += t2->ta_sc;
 201         t1->ta_dc += t2->ta_dc;
 202         t1->ta_fee += t2->ta_fee;
 203 }
 204
 205 void
 206 output(struct tacct *tp)
 207 {
 208         if (asciiout)
 209                 prtacct(tp);
 210         else
 211                 fwrite(tp, sizeof(*tp), 1, stdout);
 212 }
 213
 214 /*
 215  *      getnext reads next record from stream i, returns 1 if one existed
 216  */
 217 int
 218 getnext(int i)
 219 {
 220         struct tacct *tp;
 221
 222         tp = &tb[i];
 223         tp->ta_name[0] = '\0';
 224         if (fl[i] == NULL)
 225                 return(0);
 226         if (asciiinp) {
 227                 if (fscanf(fl[i],
 228                         "%ld\t%s\t%e %e %e %e %e %e %e %lu\t%hu\t%hu\t%hu",
 229                         &tp->ta_uid,
 230                         tp->ta_name,
 231                         &tp->ta_cpu[0], &tp->ta_cpu[1],
 232                         &tp->ta_kcore[0], &tp->ta_kcore[1],
 233                         &tp->ta_con[0], &tp->ta_con[1],
 234                         &tp->ta_du,
 235                         &tp->ta_pc,
 236                         &tp->ta_sc,
 237                         &tp->ta_dc,
 238                         &tp->ta_fee) != EOF)
 239                         return(1);
 240         } else {
 241                 if (fread(tp, sizeof(*tp), 1, fl[i]) == 1)
 242                         return(1);
 243         }
 244         fclose(fl[i]);
 245         fl[i] = NULL;
 246         return(0);
 247 }
 248
 249 char fmt[] = "%ld\t%.*s\t%.0f\t%.0f\t%.0f\t%.0f\t%.0f\t%.0f\t%.0f\t%lu\t%hu\t%hu\t%hu\n";
 250 char fmtv[] = "%ld\t%.*s\t%e %e %e %e %e %e %e %lu %hu\t%hu\t%hu\n";
 251
 252 void
 253 prtacct(struct tacct *tp)
 254 {
 255         printf(verbose ? fmtv : fmt,
 256             tp->ta_uid,
 257             OUTPUT_NSZ,
 258             tp->ta_name,
 259             tp->ta_cpu[0], tp->ta_cpu[1],
 260             tp->ta_kcore[0], tp->ta_kcore[1],
 261             tp->ta_con[0], tp->ta_con[1],
 262             tp->ta_du,
 263             tp->ta_pc,
 264             tp->ta_sc,
 265             tp->ta_dc,
 266             tp->ta_fee);
 267 }