child.c

   1 /*
   2    dbench version 2
   3    Copyright (C) Andrew Tridgell 1999
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 /* This file links against either fileio.c to do operations against a
  21    local filesystem (making dbench), or sockio.c to issue SMB-like
  22    command packets over a socket (making tbench).
  23
  24    So, the pattern of operations and the control structure is the same
  25    for both benchmarks, but the operations performed are different.
  26 */
  27
  28 #include "dbench.h"
  29
  30 char *client_filename = DATADIR "client_oplocks.txt";
  31
  32
  33 FILE * open_client_dump(void)
  34 {
  35         FILE            *f;
  36
  37         if ((f = fopen(client_filename, "rt")) != NULL)
  38                 return f;
  39
  40         fprintf(stderr,
  41                 "dbench: error opening %s: %s\n", client_filename,
  42                 strerror(errno));
  43
  44         return NULL;
  45 }
  46
  47 #define ival(s) strtol(s, NULL, 0)
  48
  49 void child_run(struct child_struct *child)
  50 {
  51         int i;
  52         char line[1024];
  53         char cname[20];
  54         FILE *f;
  55         char *params[20];
  56
  57         child->line = 0;
  58
  59         sprintf(cname,"client%d", child->id);
  60
  61         f = open_client_dump();
  62
  63         if (!f) {
  64                 exit(1);
  65         }
  66
  67         while (fgets(line, sizeof(line)-1, f)) {
  68                 child->line++;
  69
  70                 all_string_sub(line,"client1", cname);
  71                 all_string_sub(line,"\\", "/");
  72                 all_string_sub(line," /", " ");
  73
  74                 /* parse the command parameters */
  75                 params[0] = strtok(line," \n");
  76                 i = 0;
  77                 while (params[i]) params[++i] = strtok(NULL," \n");
  78                 params[i] = "";
  79
  80                 if (i < 2) continue;
  81
  82                 if (!strncmp(params[0],"SMB", 3)) {
  83                         printf("ERROR: You are using a dbench 1 load file\n");
  84                         exit(1);
  85                 }
  86
  87                 if (!strcmp(params[0],"NTCreateX")) {
  88                         nb_createx(child, params[1], ival(params[2]), ival(params[3]),
  89                                    ival(params[4]));
  90                 } else if (!strcmp(params[0],"Close")) {
  91                         nb_close(child, ival(params[1]));
  92                 } else if (!strcmp(params[0],"Rename")) {
  93                         nb_rename(child, params[1], params[2]);
  94                 } else if (!strcmp(params[0],"Unlink")) {
  95                         nb_unlink(child, params[1]);
  96                 } else if (!strcmp(params[0],"Deltree")) {
  97                         nb_deltree(child, params[1]);
  98                 } else if (!strcmp(params[0],"Rmdir")) {
  99                         nb_rmdir(child, params[1]);
 100                 } else if (!strcmp(params[0],"QUERY_PATH_INFORMATION")) {
 101                         nb_qpathinfo(child, params[1]);
 102                 } else if (!strcmp(params[0],"QUERY_FILE_INFORMATION")) {
 103                         nb_qfileinfo(child, ival(params[1]));
 104                 } else if (!strcmp(params[0],"QUERY_FS_INFORMATION")) {
 105                         nb_qfsinfo(child, ival(params[1]));
 106                 } else if (!strcmp(params[0],"FIND_FIRST")) {
 107                         nb_findfirst(child, params[1]);
 108                 } else if (!strcmp(params[0],"WriteX")) {
 109                         nb_writex(child, ival(params[1]),
 110                                   ival(params[2]), ival(params[3]), ival(params[4]));
 111                 } else if (!strcmp(params[0],"ReadX")) {
 112                         nb_readx(child, ival(params[1]),
 113                                   ival(params[2]), ival(params[3]), ival(params[4]));
 114                 } else if (!strcmp(params[0],"Flush")) {
 115                         nb_flush(child, ival(params[1]));
 116                 } else {
 117                         printf("Unknown operation %s\n", params[0]);
 118                         fflush(stdout);
 119                         exit(1);
 120                 }
 121         }
 122         fclose(f);
 123
 124         nb_cleanup(child);
 125
 126         child->done = 1;
 127 }