source/torture/nbio.c

   1 #define NBDEBUG 0
   2
   3 /*
   4    Unix SMB/CIFS implementation.
   5    SMB torture tester
   6    Copyright (C) Andrew Tridgell 1997-1998
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23
  24 #define MAX_FILES 1000
  25
  26 static char buf[70000];
  27 extern int line_count;
  28 extern int nbio_id;
  29 static int nprocs;
  30
  31 static struct {
  32         int fd;
  33         int handle;
  34 } ftable[MAX_FILES];
  35
  36 static struct children {
  37         double bytes_in, bytes_out;
  38         int line;
  39         int done;
  40 } *children;
  41
  42 double nbio_total(void)
  43 {
  44         int i;
  45         double total = 0;
  46         for (i=0;i<nprocs;i++) {
  47                 total += children[i].bytes_out + children[i].bytes_in;
  48         }
  49         return total;
  50 }
  51
  52 void nb_alarm(int ignore)
  53 {
  54         int i;
  55         int lines=0, num_clients=0;
  56         if (nbio_id != -1) return;
  57
  58         for (i=0;i<nprocs;i++) {
  59                 lines += children[i].line;
  60                 if (!children[i].done) num_clients++;
  61         }
  62
  63         printf("%4d  %8d  %.2f MB/sec\r", num_clients, lines/nprocs, 1.0e-6 * nbio_total() / end_timer());
  64
  65         signal(SIGALRM, nb_alarm);
  66         alarm(1);
  67 }
  68
  69 void nbio_shmem(int n)
  70 {
  71         nprocs = n;
  72         children = (struct children *)shm_setup(sizeof(*children) * nprocs);
  73         if (!children) {
  74                 printf("Failed to setup shared memory!\n");
  75                 exit(1);
  76         }
  77 }
  78
  79 #if 0
  80 static int ne_find_handle(int handle)
  81 {
  82         int i;
  83         children[nbio_id].line = line_count;
  84         for (i=0;i<MAX_FILES;i++) {
  85                 if (ftable[i].handle == handle) return i;
  86         }
  87         return -1;
  88 }
  89 #endif
  90
  91 static int find_handle(int handle)
  92 {
  93         int i;
  94         children[nbio_id].line = line_count;
  95         for (i=0;i<MAX_FILES;i++) {
  96                 if (ftable[i].handle == handle) return i;
  97         }
  98         printf("(%d) ERROR: handle %d was not found\n",
  99                line_count, handle);
 100         exit(1);
 101
 102         return -1;              /* Not reached */
 103 }
 104
 105
 106 static struct cli_state *c;
 107
 108 static void sigsegv(int sig)
 109 {
 110         char line[200];
 111         printf("segv at line %d\n", line_count);
 112         slprintf(line, sizeof(line), "/usr/X11R6/bin/xterm -e gdb /proc/%d/exe %d",
 113                 (int)getpid(), (int)getpid());
 114         system(line);
 115         exit(1);
 116 }
 117
 118 void nb_setup(struct cli_state *cli)
 119 {
 120         signal(SIGSEGV, sigsegv);
 121         c = cli;
 122         start_timer();
 123         children[nbio_id].done = 0;
 124 }
 125
 126
 127 void nb_unlink(const char *fname)
 128 {
 129         if (!cli_unlink(c, fname)) {
 130 #if NBDEBUG
 131                 printf("(%d) unlink %s failed (%s)\n",
 132                        line_count, fname, cli_errstr(c));
 133 #endif
 134         }
 135 }
 136
 137
 138 void nb_createx(const char *fname,
 139                 unsigned create_options, unsigned create_disposition, int handle)
 140 {
 141         int fd, i;
 142         uint32 desired_access;
 143
 144         if (create_options & FILE_DIRECTORY_FILE) {
 145                 desired_access = FILE_READ_DATA;
 146         } else {
 147                 desired_access = FILE_READ_DATA | FILE_WRITE_DATA;
 148         }
 149
 150         fd = cli_nt_create_full(c, fname, 0,
 151                                 desired_access,
 152                                 0x0,
 153                                 FILE_SHARE_READ|FILE_SHARE_WRITE,
 154                                 create_disposition,
 155                                 create_options, 0);
 156         if (fd == -1 && handle != -1) {
 157                 printf("ERROR: cli_nt_create_full failed for %s - %s\n",
 158                        fname, cli_errstr(c));
 159                 exit(1);
 160         }
 161         if (fd != -1 && handle == -1) {
 162                 printf("ERROR: cli_nt_create_full succeeded for %s\n", fname);
 163                 exit(1);
 164         }
 165         if (fd == -1) return;
 166
 167         for (i=0;i<MAX_FILES;i++) {
 168                 if (ftable[i].handle == 0) break;
 169         }
 170         if (i == MAX_FILES) {
 171                 printf("(%d) file table full for %s\n", line_count,
 172                        fname);
 173                 exit(1);
 174         }
 175         ftable[i].handle = handle;
 176         ftable[i].fd = fd;
 177 }
 178
 179 void nb_writex(int handle, int offset, int size, int ret_size)
 180 {
 181         int i;
 182
 183         if (buf[0] == 0) memset(buf, 1, sizeof(buf));
 184
 185         i = find_handle(handle);
 186         if (cli_write(c, ftable[i].fd, 0, buf, offset, size) != ret_size) {
 187                 printf("(%d) ERROR: write failed on handle %d, fd %d \
 188 errno %d (%s)\n", line_count, handle, ftable[i].fd, errno, strerror(errno));
 189                 exit(1);
 190         }
 191
 192         children[nbio_id].bytes_out += ret_size;
 193 }
 194
 195 void nb_readx(int handle, int offset, int size, int ret_size)
 196 {
 197         int i, ret;
 198
 199         i = find_handle(handle);
 200         if ((ret=cli_read(c, ftable[i].fd, buf, offset, size)) != ret_size) {
 201                 printf("(%d) ERROR: read failed on handle %d ofs=%d size=%d res=%d fd %d errno %d (%s)\n",
 202                         line_count, handle, offset, size, ret, ftable[i].fd, errno, strerror(errno));
 203                 exit(1);
 204         }
 205         children[nbio_id].bytes_in += ret_size;
 206 }
 207
 208 void nb_close(int handle)
 209 {
 210         int i;
 211         i = find_handle(handle);
 212         if (!cli_close(c, ftable[i].fd)) {
 213                 printf("(%d) close failed on handle %d\n", line_count, handle);
 214                 exit(1);
 215         }
 216         ftable[i].handle = 0;
 217 }
 218
 219 void nb_rmdir(const char *fname)
 220 {
 221         if (!cli_rmdir(c, fname)) {
 222                 printf("ERROR: rmdir %s failed (%s)\n",
 223                        fname, cli_errstr(c));
 224                 exit(1);
 225         }
 226 }
 227
 228 void nb_rename(const char *oldname, const char *newname)
 229 {
 230         if (!cli_rename(c, oldname, newname)) {
 231                 printf("ERROR: rename %s %s failed (%s)\n",
 232                        oldname, newname, cli_errstr(c));
 233                 exit(1);
 234         }
 235 }
 236
 237
 238 void nb_qpathinfo(const char *fname)
 239 {
 240         cli_qpathinfo(c, fname, NULL, NULL, NULL, NULL, NULL);
 241 }
 242
 243 void nb_qfileinfo(int fnum)
 244 {
 245         int i;
 246         i = find_handle(fnum);
 247         cli_qfileinfo(c, ftable[i].fd, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
 248 }
 249
 250 void nb_qfsinfo(int level)
 251 {
 252         int bsize, total, avail;
 253         /* this is not the right call - we need cli_qfsinfo() */
 254         cli_dskattr(c, &bsize, &total, &avail);
 255 }
 256
 257 static void find_fn(const char *mnt, file_info *finfo, const char *name, void *state)
 258 {
 259         /* noop */
 260 }
 261
 262 void nb_findfirst(const char *mask)
 263 {
 264         cli_list(c, mask, 0, find_fn, NULL);
 265 }
 266
 267 void nb_flush(int fnum)
 268 {
 269         int i;
 270         i = find_handle(fnum);
 271         /* hmmm, we don't have cli_flush() yet */
 272 }
 273
 274 static int total_deleted;
 275
 276 static void delete_fn(const char *mnt, file_info *finfo, const char *name, void *state)
 277 {
 278         char *s, *n;
 279         if (finfo->name[0] == '.') return;
 280
 281         n = SMB_STRDUP(name);
 282         n[strlen(n)-1] = 0;
 283         asprintf(&s, "%s%s", n, finfo->name);
 284         if (finfo->mode & aDIR) {
 285                 char *s2;
 286                 asprintf(&s2, "%s\\*", s);
 287                 cli_list(c, s2, aDIR, delete_fn, NULL);
 288                 nb_rmdir(s);
 289         } else {
 290                 total_deleted++;
 291                 nb_unlink(s);
 292         }
 293         free(s);
 294         free(n);
 295 }
 296
 297 void nb_deltree(const char *dname)
 298 {
 299         char *mask;
 300         asprintf(&mask, "%s\\*", dname);
 301
 302         total_deleted = 0;
 303         cli_list(c, mask, aDIR, delete_fn, NULL);
 304         free(mask);
 305         cli_rmdir(c, dname);
 306
 307         if (total_deleted) printf("WARNING: Cleaned up %d files\n", total_deleted);
 308 }
 309
 310
 311 void nb_cleanup(void)
 312 {
 313         cli_rmdir(c, "clients");
 314         children[nbio_id].done = 1;
 315 }