direct/dtest.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Charles Manning <charles@aleph1.co.uk>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  */
  14
  15
  16
  17
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <unistd.h>
  21 #include <fcntl.h>
  22
  23 #include "yaffsfs.h"
  24
  25 void dumpDir(const char *dname);
  26
  27 char xx[600];
  28
  29 void copy_in_a_file(char *yaffsName,char *inName)
  30 {
  31         int inh,outh;
  32         unsigned char buffer[100];
  33         int ni,no;
  34         inh = open(inName,O_RDONLY);
  35         outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
  36
  37         while((ni = read(inh,buffer,100)) > 0)
  38         {
  39                 no = yaffs_write(outh,buffer,ni);
  40                 if(ni != no)
  41                 {
  42                         printf("problem writing yaffs file\n");
  43                 }
  44
  45         }
  46
  47         yaffs_close(outh);
  48         close(inh);
  49 }
  50
  51 void make_a_file(char *yaffsName,char bval,int sizeOfFile)
  52 {
  53         int outh;
  54         int i;
  55         unsigned char buffer[100];
  56
  57         outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
  58
  59         memset(buffer,bval,100);
  60
  61         do{
  62                 i = sizeOfFile;
  63                 if(i > 100) i = 100;
  64                 sizeOfFile -= i;
  65
  66                 yaffs_write(outh,buffer,i);
  67
  68         } while (sizeOfFile > 0);
  69
  70
  71         yaffs_close(outh);
  72
  73 }
  74
  75 void make_pattern_file(char *fn,int size)
  76 {
  77         int outh;
  78         int marker;
  79         int i;
  80         outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
  81         yaffs_lseek(outh,size-1,SEEK_SET);
  82         yaffs_write(outh,"A",1);
  83
  84         for(i = 0; i < size; i+=256)
  85         {
  86                 marker = ~i;
  87                 yaffs_lseek(outh,i,SEEK_SET);
  88                 yaffs_write(outh,&marker,sizeof(marker));
  89         }
  90         yaffs_close(outh);
  91
  92 }
  93
  94 int check_pattern_file(char *fn)
  95 {
  96         int h;
  97         int marker;
  98         int i;
  99         int size;
 100         int ok = 1;
 101
 102         h = yaffs_open(fn, O_RDWR,0);
 103         size = yaffs_lseek(h,0,SEEK_END);
 104
 105         for(i = 0; i < size; i+=256)
 106         {
 107                 yaffs_lseek(h,i,SEEK_SET);
 108                 yaffs_read(h,&marker,sizeof(marker));
 109                 ok = (marker == ~i);
 110                 if(!ok)
 111                 {
 112                    printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n",
 113                                         fn,size,i,marker,~i);
 114                 }
 115         }
 116         yaffs_close(h);
 117         return ok;
 118 }
 119
 120
 121
 122
 123
 124 int dump_file_data(char *fn)
 125 {
 126         int h;
 127         int i = 0;
 128         int ok = 1;
 129         unsigned char b;
 130
 131         h = yaffs_open(fn, O_RDWR,0);
 132
 133
 134         printf("%s\n",fn);
 135         while(yaffs_read(h,&b,1)> 0)
 136         {
 137                 printf("%02x",b);
 138                 i++;
 139                 if(i > 32)
 140                 {
 141                    printf("\n");
 142                    i = 0;;
 143                  }
 144         }
 145         printf("\n");
 146         yaffs_close(h);
 147         return ok;
 148 }
 149
 150
 151
 152 void dump_file(const char *fn)
 153 {
 154         int i;
 155         int size;
 156         int h;
 157
 158         h = yaffs_open(fn,O_RDONLY,0);
 159         if(h < 0)
 160         {
 161                 printf("*****\nDump file %s does not exist\n",fn);
 162         }
 163         else
 164         {
 165                 size = yaffs_lseek(h,0,SEEK_SET);
 166                 printf("*****\nDump file %s size %d\n",fn,size);
 167                 for(i = 0; i < size; i++)
 168                 {
 169
 170                 }
 171         }
 172 }
 173
 174 void create_file_of_size(const char *fn,int syze)
 175 {
 176         int h;
 177         int n;
 178         int result;
 179
 180         char xx[200];
 181
 182         int iterations = (syze + strlen(fn) -1)/ strlen(fn);
 183
 184         h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
 185
 186         while (iterations > 0)
 187         {
 188                 sprintf(xx,"%s %8d",fn,iterations);
 189                 n = strlen(xx);
 190                 result = yaffs_write(h,xx,n);
 191                 if(result != n)
 192                         printf("Wrote %d, should have been %d\n",result,n);
 193                 iterations--;
 194         }
 195         yaffs_close (h);
 196 }
 197
 198 void verify_file_of_size(const char *fn,int syze)
 199 {
 200         int h;
 201         int result;
 202
 203         char xx[200];
 204         char yy[200];
 205         int l;
 206
 207         int iterations = (syze + strlen(fn) -1)/ strlen(fn);
 208
 209         h = yaffs_open(fn, O_RDONLY, S_IREAD | S_IWRITE);
 210
 211         while (iterations > 0)
 212         {
 213                 sprintf(xx,"%s %8d",fn,iterations);
 214                 l = strlen(xx);
 215
 216                 result = yaffs_read(h,yy,l);
 217                 yy[l] = 0;
 218
 219                 if(strcmp(xx,yy)){
 220                         printf("=====>>>>> verification of file %s failed near position %lld\n",fn,(long long)yaffs_lseek(h,0,SEEK_CUR));
 221                 }
 222                 iterations--;
 223         }
 224         yaffs_close (h);
 225 }
 226
 227 void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
 228 {
 229         int h;
 230
 231         int iterations;
 232
 233         h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
 234
 235         iterations = (syze1 + strlen(fn) -1)/ strlen(fn);
 236         while (iterations > 0)
 237         {
 238                 yaffs_write(h,fn,strlen(fn));
 239                 iterations--;
 240         }
 241
 242         yaffs_ftruncate(h,reSyze);
 243
 244         yaffs_lseek(h,0,SEEK_SET);
 245         iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
 246         while (iterations > 0)
 247         {
 248                 yaffs_write(h,fn,strlen(fn));
 249                 iterations--;
 250         }
 251
 252         yaffs_close (h);
 253 }
 254
 255
 256 void do_some_file_stuff(const char *path)
 257 {
 258
 259         char fn[100];
 260
 261         sprintf(fn,"%s/%s",path,"f1");
 262         create_file_of_size(fn,10000);
 263
 264         sprintf(fn,"%s/%s",path,"fdel");
 265         create_file_of_size(fn,10000);
 266         yaffs_unlink(fn);
 267
 268         sprintf(fn,"%s/%s",path,"f2");
 269
 270         create_resized_file_of_size(fn,10000,3000,4000);
 271 }
 272
 273 void yaffs_backward_scan_test(const char *path)
 274 {
 275         char fn[100];
 276
 277         yaffs_StartUp();
 278
 279         yaffs_mount(path);
 280
 281         do_some_file_stuff(path);
 282
 283         sprintf(fn,"%s/ddd",path);
 284
 285         yaffs_mkdir(fn,0);
 286
 287         do_some_file_stuff(fn);
 288
 289         yaffs_unmount(path);
 290
 291         yaffs_mount(path);
 292 }
 293
 294 char xxzz[2000];
 295
 296
 297 void yaffs_device_flush_test(const char *path)
 298 {
 299         char fn[100];
 300         int h;
 301         int i;
 302
 303         yaffs_StartUp();
 304
 305         yaffs_mount(path);
 306
 307         do_some_file_stuff(path);
 308
 309         // Open and add some data to a few files
 310         for(i = 0; i < 10; i++) {
 311
 312                 sprintf(fn,"%s/ff%d",path,i);
 313
 314                 h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IWRITE | S_IREAD);
 315                 yaffs_write(h,xxzz,2000);
 316                 yaffs_write(h,xxzz,2000);
 317         }
 318         yaffs_unmount(path);
 319
 320         yaffs_mount(path);
 321 }
 322
 323
 324
 325 void short_scan_test(const char *path, int fsize, int niterations)
 326 {
 327         int i;
 328         char fn[100];
 329
 330         sprintf(fn,"%s/%s",path,"f1");
 331
 332         yaffs_StartUp();
 333         for(i = 0; i < niterations; i++)
 334         {
 335                 printf("\n*****************\nIteration %d\n",i);
 336                 yaffs_mount(path);
 337                 printf("\nmount: Directory look-up of %s\n",path);
 338                 dumpDir(path);
 339                 make_a_file(fn,1,fsize);
 340                 yaffs_unmount(path);
 341         }
 342 }
 343
 344
 345
 346 void scan_pattern_test(const char *path, int fsize, int niterations)
 347 {
 348         int i;
 349         int j;
 350         char fn[3][100];
 351         int result;
 352
 353         sprintf(fn[0],"%s/%s",path,"f0");
 354         sprintf(fn[1],"%s/%s",path,"f1");
 355         sprintf(fn[2],"%s/%s",path,"f2");
 356
 357         yaffs_StartUp();
 358
 359         for(i = 0; i < niterations; i++)
 360         {
 361                 printf("\n*****************\nIteration %d\n",i);
 362                 yaffs_mount(path);
 363                 printf("\nmount: Directory look-up of %s\n",path);
 364                 dumpDir(path);
 365                 for(j = 0; j < 3; j++)
 366                 {
 367                         result = dump_file_data(fn[j]);
 368                         result = check_pattern_file(fn[j]);
 369                         make_pattern_file(fn[j],fsize);
 370                         result = dump_file_data(fn[j]);
 371                         result = check_pattern_file(fn[j]);
 372                 }
 373                 yaffs_unmount(path);
 374         }
 375 }
 376
 377 void fill_disk(const char *path,int nfiles)
 378 {
 379         int h;
 380         int n;
 381         int result;
 382         int f;
 383
 384         char str[50];
 385
 386         for(n = 0; n < nfiles; n++)
 387         {
 388                 sprintf(str,"%s/%d",path,n);
 389
 390                 h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
 391
 392                 printf("writing file %s handle %d ",str, h);
 393
 394                 while ((result = yaffs_write(h,xx,600)) == 600)
 395                 {
 396                         f = yaffs_freespace(path);
 397                 }
 398                 result = yaffs_close(h);
 399                 printf(" close %d\n",result);
 400         }
 401 }
 402
 403 void fill_disk_and_delete(const char *path, int nfiles, int ncycles)
 404 {
 405         int i,j;
 406         char str[50];
 407         int result;
 408
 409         for(i = 0; i < ncycles; i++)
 410         {
 411                 printf("@@@@@@@@@@@@@@ cycle %d\n",i);
 412                 fill_disk(path,nfiles);
 413
 414                 for(j = 0; j < nfiles; j++)
 415                 {
 416                         sprintf(str,"%s/%d",path,j);
 417                         result = yaffs_unlink(str);
 418                         printf("unlinking file %s, result %d\n",str,result);
 419                 }
 420         }
 421 }
 422
 423
 424 void fill_files(char *path,int flags, int maxIterations,int siz)
 425 {
 426         int i;
 427         int j;
 428         char str[50];
 429         int h;
 430
 431         i = 0;
 432
 433         do{
 434                 sprintf(str,"%s/%d",path,i);
 435                 h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
 436                 yaffs_close(h);
 437
 438                 if(h >= 0)
 439                 {
 440                         for(j = 0; j < siz; j++)
 441                         {
 442                                 yaffs_write(h,str,1);
 443                         }
 444                 }
 445
 446                 if( flags & 1)
 447                 {
 448                         yaffs_unlink(str);
 449                 }
 450                 i++;
 451         } while(h >= 0 && i < maxIterations);
 452
 453         if(flags & 2)
 454         {
 455                 i = 0;
 456                 do{
 457                         sprintf(str,"%s/%d",path,i);
 458                         printf("unlink %s\n",str);
 459                         i++;
 460                 } while(yaffs_unlink(str) >= 0);
 461         }
 462 }
 463
 464 void leave_unlinked_file(char *path,int maxIterations,int siz)
 465 {
 466         int i;
 467         char str[50];
 468         int h;
 469
 470         i = 0;
 471
 472         do{
 473                 sprintf(str,"%s/%d",path,i);
 474                 printf("create %s\n",str);
 475                 h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
 476                 if(h >= 0)
 477                 {
 478                         yaffs_unlink(str);
 479                 }
 480                 i++;
 481         } while(h < 0 && i < maxIterations);
 482
 483         if(h >= 0)
 484         {
 485                 for(i = 0; i < siz; i++)
 486                 {
 487                         yaffs_write(h,str,1);
 488                 }
 489         }
 490
 491         printf("Leaving file %s open\n",str);
 492
 493 }
 494
 495 void dumpDirFollow(const char *dname)
 496 {
 497         yaffs_DIR *d;
 498         yaffs_dirent *de;
 499         struct yaffs_stat s;
 500         char str[100];
 501
 502         d = yaffs_opendir(dname);
 503
 504         if(!d)
 505         {
 506                 printf("opendir failed\n");
 507         }
 508         else
 509         {
 510                 while((de = yaffs_readdir(d)) != NULL)
 511                 {
 512                         sprintf(str,"%s/%s",dname,de->d_name);
 513
 514                         yaffs_stat(str,&s);
 515
 516                         printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
 517                         switch(s.st_mode & S_IFMT)
 518                         {
 519                                 case S_IFREG: printf("data file"); break;
 520                                 case S_IFDIR: printf("directory"); break;
 521                                 case S_IFLNK: printf("symlink -->");
 522                                                           if(yaffs_readlink(str,str,100) < 0)
 523                                                                 printf("no alias");
 524                                                           else
 525                                                                 printf("\"%s\"",str);
 526                                                           break;
 527                                 default: printf("unknown"); break;
 528                         }
 529
 530                         printf("\n");
 531                 }
 532
 533                 yaffs_closedir(d);
 534         }
 535         printf("\n");
 536
 537         printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 538
 539 }
 540
 541
 542 void dump_directory_tree_worker(const char *dname,int recursive)
 543 {
 544         yaffs_DIR *d;
 545         yaffs_dirent *de;
 546         struct yaffs_stat s;
 547         char str[1000];
 548
 549         d = yaffs_opendir(dname);
 550
 551         if(!d)
 552         {
 553                 printf("opendir failed\n");
 554         }
 555         else
 556         {
 557                 while((de = yaffs_readdir(d)) != NULL)
 558                 {
 559                         sprintf(str,"%s/%s",dname,de->d_name);
 560
 561                         yaffs_lstat(str,&s);
 562
 563                         printf("%s inode %d obj %x length %d mode %X ",str,s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);
 564                         switch(s.st_mode & S_IFMT)
 565                         {
 566                                 case S_IFREG: printf("data file"); break;
 567                                 case S_IFDIR: printf("directory"); break;
 568                                 case S_IFLNK: printf("symlink -->");
 569                                                           if(yaffs_readlink(str,str,100) < 0)
 570                                                                 printf("no alias");
 571                                                           else
 572                                                                 printf("\"%s\"",str);
 573                                                           break;
 574                                 default: printf("unknown"); break;
 575                         }
 576
 577                         printf("\n");
 578
 579                         if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
 580                                 dump_directory_tree_worker(str,1);
 581
 582                 }
 583
 584                 yaffs_closedir(d);
 585         }
 586
 587 }
 588
 589 static void dump_directory_tree(const char *dname)
 590 {
 591         dump_directory_tree_worker(dname,1);
 592         printf("\n");
 593         printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 594 }
 595
 596 void dumpDir(const char *dname)
 597 {       dump_directory_tree_worker(dname,0);
 598         printf("\n");
 599         printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 600 }
 601
 602
 603 static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult)
 604 {
 605         int fd;
 606
 607         if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n");
 608
 609         fd = yaffs_open(path,tflags,0);
 610
 611         if((fd >= 0) != (expectedResult > 0))
 612         {
 613                 printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult);
 614         }
 615         else
 616         {
 617                 printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult);
 618         }
 619
 620
 621         yaffs_close(fd);
 622
 623
 624 }
 625
 626 int long_test(int argc, char *argv[])
 627 {
 628
 629         int f;
 630         int r;
 631         char buffer[20];
 632
 633         char str[100];
 634
 635         int h;
 636         mode_t temp_mode;
 637         struct yaffs_stat ystat;
 638
 639         yaffs_StartUp();
 640
 641         yaffs_mount("/boot");
 642         yaffs_mount("/data");
 643         yaffs_mount("/flash");
 644         yaffs_mount("/ram");
 645
 646         printf("\nDirectory look-up of /boot\n");
 647         dumpDir("/boot");
 648         printf("\nDirectory look-up of /data\n");
 649         dumpDir("/data");
 650         printf("\nDirectory look-up of /flash\n");
 651         dumpDir("/flash");
 652
 653         //leave_unlinked_file("/flash",20000,0);
 654         //leave_unlinked_file("/data",20000,0);
 655
 656         leave_unlinked_file("/ram",20,0);
 657
 658
 659         f = yaffs_open("/boot/b1", O_RDONLY,0);
 660
 661         printf("open /boot/b1 readonly, f=%d\n",f);
 662
 663         f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
 664
 665         printf("open /boot/b1 O_CREAT, f=%d\n",f);
 666
 667
 668         r = yaffs_write(f,"hello",1);
 669         printf("write %d attempted to write to a read-only file\n",r);
 670
 671         r = yaffs_close(f);
 672
 673         printf("close %d\n",r);
 674
 675         f = yaffs_open("/boot/b1", O_RDWR,0);
 676
 677         printf("open /boot/b1 O_RDWR,f=%d\n",f);
 678
 679
 680         r = yaffs_write(f,"hello",2);
 681         printf("write %d attempted to write to a writeable file\n",r);
 682         r = yaffs_write(f,"world",3);
 683         printf("write %d attempted to write to a writeable file\n",r);
 684
 685         r= yaffs_lseek(f,0,SEEK_END);
 686         printf("seek end %d\n",r);
 687         memset(buffer,0,20);
 688         r = yaffs_read(f,buffer,10);
 689         printf("read %d \"%s\"\n",r,buffer);
 690         r= yaffs_lseek(f,0,SEEK_SET);
 691         printf("seek set %d\n",r);
 692         memset(buffer,0,20);
 693         r = yaffs_read(f,buffer,10);
 694         printf("read %d \"%s\"\n",r,buffer);
 695         memset(buffer,0,20);
 696         r = yaffs_read(f,buffer,10);
 697         printf("read %d \"%s\"\n",r,buffer);
 698
 699         // Check values reading at end.
 700         // A read past end of file should return 0 for 0 bytes read.
 701
 702         r= yaffs_lseek(f,0,SEEK_END);
 703         r = yaffs_read(f,buffer,10);
 704         printf("read at end returned  %d\n",r);
 705         r= yaffs_lseek(f,500,SEEK_END);
 706         r = yaffs_read(f,buffer,10);
 707         printf("read past end returned  %d\n",r);
 708
 709         r = yaffs_close(f);
 710
 711         printf("close %d\n",r);
 712
 713         copy_in_a_file("/boot/yyfile","xxx");
 714
 715         // Create a file with a long name
 716
 717         copy_in_a_file("/boot/file with a long name","xxx");
 718
 719
 720         printf("\nDirectory look-up of /boot\n");
 721         dumpDir("/boot");
 722
 723         // Check stat
 724         r = yaffs_stat("/boot/file with a long name",&ystat);
 725
 726         // Check rename
 727
 728         r = yaffs_rename("/boot/file with a long name","/boot/r1");
 729
 730         printf("\nDirectory look-up of /boot\n");
 731         dumpDir("/boot");
 732
 733         // Check unlink
 734         r = yaffs_unlink("/boot/r1");
 735
 736         printf("\nDirectory look-up of /boot\n");
 737         dumpDir("/boot");
 738
 739         // Check mkdir
 740
 741         r = yaffs_mkdir("/boot/directory1",0);
 742
 743         printf("\nDirectory look-up of /boot\n");
 744         dumpDir("/boot");
 745         printf("\nDirectory look-up of /boot/directory1\n");
 746         dumpDir("/boot/directory1");
 747
 748         // add a file to the directory
 749         copy_in_a_file("/boot/directory1/file with a long name","xxx");
 750
 751         printf("\nDirectory look-up of /boot\n");
 752         dumpDir("/boot");
 753         printf("\nDirectory look-up of /boot/directory1\n");
 754         dumpDir("/boot/directory1");
 755
 756         //  Attempt to delete directory (should fail)
 757
 758         r = yaffs_rmdir("/boot/directory1");
 759
 760         printf("\nDirectory look-up of /boot\n");
 761         dumpDir("/boot");
 762         printf("\nDirectory look-up of /boot/directory1\n");
 763         dumpDir("/boot/directory1");
 764
 765         // Delete file first, then rmdir should work
 766         r = yaffs_unlink("/boot/directory1/file with a long name");
 767         r = yaffs_rmdir("/boot/directory1");
 768
 769
 770         printf("\nDirectory look-up of /boot\n");
 771         dumpDir("/boot");
 772         printf("\nDirectory look-up of /boot/directory1\n");
 773         dumpDir("/boot/directory1");
 774
 775 #if 0
 776         fill_disk_and_delete("/boot",20,20);
 777
 778         printf("\nDirectory look-up of /boot\n");
 779         dumpDir("/boot");
 780 #endif
 781
 782         yaffs_symlink("yyfile","/boot/slink");
 783
 784         yaffs_readlink("/boot/slink",str,100);
 785         printf("symlink alias is %s\n",str);
 786
 787
 788
 789
 790         printf("\nDirectory look-up of /boot\n");
 791         dumpDir("/boot");
 792         printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
 793         dumpDirFollow("/boot");
 794         printf("\nDirectory look-up of /boot/directory1\n");
 795         dumpDir("/boot/directory1");
 796
 797         h = yaffs_open("/boot/slink",O_RDWR,0);
 798
 799         printf("file length is %d\n",(int)yaffs_lseek(h,0,SEEK_END));
 800
 801         yaffs_close(h);
 802
 803         yaffs_unlink("/boot/slink");
 804
 805
 806         printf("\nDirectory look-up of /boot\n");
 807         dumpDir("/boot");
 808
 809         // Check chmod
 810
 811         yaffs_stat("/boot/yyfile",&ystat);
 812         temp_mode = ystat.st_mode;
 813
 814         yaffs_chmod("/boot/yyfile",0x55555);
 815         printf("\nDirectory look-up of /boot\n");
 816         dumpDir("/boot");
 817
 818         yaffs_chmod("/boot/yyfile",temp_mode);
 819         printf("\nDirectory look-up of /boot\n");
 820         dumpDir("/boot");
 821
 822         // Permission checks...
 823         PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
 824         PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
 825         PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
 826
 827         PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
 828         PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
 829         PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
 830
 831         PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
 832         PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
 833         PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
 834
 835         PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
 836         PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
 837         PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
 838
 839         yaffs_chmod("/boot/yyfile",temp_mode);
 840
 841         //create a zero-length file and unlink it (test for scan bug)
 842
 843         h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
 844         yaffs_close(h);
 845
 846         yaffs_unlink("/boot/zlf");
 847
 848
 849         yaffs_DumpDevStruct("/boot");
 850
 851         fill_disk_and_delete("/boot",20,20);
 852
 853         yaffs_DumpDevStruct("/boot");
 854
 855         fill_files("/boot",1,10000,0);
 856         fill_files("/boot",1,10000,5000);
 857         fill_files("/boot",2,10000,0);
 858         fill_files("/boot",2,10000,5000);
 859
 860         leave_unlinked_file("/data",20000,0);
 861         leave_unlinked_file("/data",20000,5000);
 862         leave_unlinked_file("/data",20000,5000);
 863         leave_unlinked_file("/data",20000,5000);
 864         leave_unlinked_file("/data",20000,5000);
 865         leave_unlinked_file("/data",20000,5000);
 866
 867         yaffs_DumpDevStruct("/boot");
 868         yaffs_DumpDevStruct("/data");
 869
 870
 871
 872         return 0;
 873
 874 }
 875
 876 int huge_directory_test_on_path(char *path)
 877 {
 878
 879         yaffs_DIR *d;
 880         yaffs_dirent *de;
 881         struct yaffs_stat s;
 882
 883         int f;
 884         int i;
 885
 886         int total = 0;
 887         int lastTotal = 0;
 888
 889         char str[100];
 890
 891
 892         yaffs_StartUp();
 893
 894         yaffs_mount(path);
 895
 896         // Create a large number of files
 897
 898         for(i = 0; i < 2000; i++)
 899         {
 900           sprintf(str,"%s/%d",path,i);
 901
 902            f = yaffs_open(str,O_CREAT,S_IREAD | S_IWRITE);
 903            yaffs_close(f);
 904         }
 905
 906
 907
 908         d = yaffs_opendir(path);
 909         i = 0;
 910         if (d) {
 911         while((de = yaffs_readdir(d)) != NULL) {
 912         if (total >lastTotal+100*9*1024||(i & 1023)==0){
 913         printf("files = %d, total = %d\n",i, total);
 914         lastTotal = total;
 915         }
 916                 i++;
 917                 sprintf(str,"%s/%s",path,de->d_name);
 918                 yaffs_lstat(str,&s);
 919                 switch(s.st_mode & S_IFMT){
 920                 case S_IFREG:
 921         //printf("data file");
 922         total += s.st_size;
 923         break;
 924         }
 925         }
 926
 927         yaffs_closedir(d);
 928         }
 929
 930         return 0;
 931 }
 932
 933 int yaffs_scan_test(const char *path)
 934 {
 935         return 0;
 936 }
 937
 938
 939 void rename_over_test(const char *mountpt)
 940 {
 941         int i;
 942         char a[100];
 943         char b[100];
 944
 945         sprintf(a,"%s/a",mountpt);
 946         sprintf(b,"%s/b",mountpt);
 947
 948         yaffs_StartUp();
 949
 950         yaffs_mount(mountpt);
 951         i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
 952         yaffs_close(i);
 953         i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, 0);
 954         yaffs_close(i);
 955         yaffs_rename(a,b); // rename over
 956         yaffs_rename(b,a); // rename back again (not renaimng over)
 957         yaffs_rename(a,b); // rename back again (not renaimng over)
 958
 959
 960         yaffs_unmount(mountpt);
 961
 962 }
 963
 964 int resize_stress_test(const char *path)
 965 {
 966    int a,b,i,j;
 967    int x;
 968    int r;
 969    char aname[100];
 970    char bname[100];
 971
 972    char abuffer[1000];
 973    char bbuffer[1000];
 974
 975    yaffs_StartUp();
 976
 977    yaffs_mount(path);
 978
 979    sprintf(aname,"%s%s",path,"/a");
 980    sprintf(bname,"%s%s",path,"/b");
 981
 982    memset(abuffer,'a',1000);
 983    memset(bbuffer,'b',1000);
 984
 985    a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
 986    b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
 987
 988    printf(" %s %d %s %d\n",aname,a,bname,b);
 989
 990    x = 0;
 991
 992    for(j = 0; j < 100; j++)
 993    {
 994                 yaffs_lseek(a,0,SEEK_END);
 995
 996
 997                 for(i = 0; i <20000; i++)
 998                 {
 999                    //r =        yaffs_lseek(b,i,SEEK_SET);
1000                         //r = yaffs_write(b,bbuffer,1000);
1001
1002                         if(x & 0x16)
1003                         {
1004                                 // shrink
1005                                 int syz = yaffs_lseek(a,0,SEEK_END);
1006
1007                                 syz -= 500;
1008                                 if(syz < 0) syz = 0;
1009                                 yaffs_ftruncate(a,syz);
1010
1011                         }
1012                         else
1013                         {
1014                                 //expand
1015                                 r = yaffs_lseek(a,i * 500,SEEK_SET);
1016                                 r = yaffs_write(a,abuffer,1000);
1017                         }
1018                         x++;
1019
1020                 }
1021    }
1022
1023    return 0;
1024
1025 }
1026
1027
1028 int resize_stress_test_no_grow_complex(const char *path,int iters)
1029 {
1030    int a,b,i,j;
1031    int x;
1032    int r;
1033    char aname[100];
1034    char bname[100];
1035
1036    char abuffer[1000];
1037    char bbuffer[1000];
1038
1039
1040    yaffs_StartUp();
1041
1042    yaffs_mount(path);
1043
1044    sprintf(aname,"%s%s",path,"/a");
1045    sprintf(bname,"%s%s",path,"/b");
1046
1047    memset(abuffer,'a',1000);
1048    memset(bbuffer,'b',1000);
1049
1050    a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1051    b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1052
1053    printf(" %s %d %s %d\n",aname,a,bname,b);
1054
1055    x = 0;
1056
1057    for(j = 0; j < iters; j++)
1058    {
1059                 yaffs_lseek(a,0,SEEK_END);
1060
1061
1062                 for(i = 0; i <20000; i++)
1063                 {
1064                    //r =        yaffs_lseek(b,i,SEEK_SET);
1065                         //r = yaffs_write(b,bbuffer,1000);
1066
1067                         if(!(x%20))
1068                         {
1069                                 // shrink
1070                                 int syz = yaffs_lseek(a,0,SEEK_END);
1071
1072                                 while(syz > 4000)
1073                                 {
1074
1075                                         syz -= 2050;
1076                                         if(syz < 0) syz = 0;
1077                                         yaffs_ftruncate(a,syz);
1078                                         syz = yaffs_lseek(a,0,SEEK_END);
1079                                         printf("shrink to %d\n",syz);
1080                                 }
1081
1082
1083                         }
1084                         else
1085                         {
1086                                 //expand
1087                                 r = yaffs_lseek(a,500,SEEK_END);
1088                                 r = yaffs_write(a,abuffer,1000);
1089                         }
1090                         x++;
1091
1092
1093                 }
1094
1095                 printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
1096
1097    }
1098
1099    return 0;
1100
1101 }
1102
1103 int resize_stress_test_no_grow(const char *path,int iters)
1104 {
1105    int a,b,i,j;
1106    int x;
1107    int r;
1108    char aname[100];
1109    char bname[100];
1110
1111    char abuffer[1000];
1112    char bbuffer[1000];
1113
1114    yaffs_StartUp();
1115
1116    yaffs_mount(path);
1117
1118    sprintf(aname,"%s%s",path,"/a");
1119    sprintf(bname,"%s%s",path,"/b");
1120
1121    memset(abuffer,'a',1000);
1122    memset(bbuffer,'b',1000);
1123
1124    a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1125    b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1126
1127    printf(" %s %d %s %d\n",aname,a,bname,b);
1128
1129    x = 0;
1130
1131    for(j = 0; j < iters; j++)
1132    {
1133                 yaffs_lseek(a,0,SEEK_END);
1134
1135
1136                 for(i = 0; i <20000; i++)
1137                 {
1138                    //r =        yaffs_lseek(b,i,SEEK_SET);
1139                         //r = yaffs_write(b,bbuffer,1000);
1140
1141                         if(!(x%20))
1142                         {
1143                                 // shrink
1144                                 int syz = yaffs_lseek(a,0,SEEK_END);
1145
1146                                 while(syz > 4000)
1147                                 {
1148
1149                                         syz -= 2050;
1150                                         if(syz < 0) syz = 0;
1151                                         yaffs_ftruncate(a,syz);
1152                                         syz = yaffs_lseek(a,0,SEEK_END);
1153                                         printf("shrink to %d\n",syz);
1154                                 }
1155
1156
1157                         }
1158                         else
1159                         {
1160                                 //expand
1161                                 r = yaffs_lseek(a,-500,SEEK_END);
1162                                 r = yaffs_write(a,abuffer,1000);
1163                         }
1164                         x++;
1165
1166
1167                 }
1168                 printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
1169
1170    }
1171
1172    return 0;
1173
1174 }
1175
1176 int directory_rename_test(void)
1177 {
1178         int r;
1179         yaffs_StartUp();
1180
1181         yaffs_mount("/ram");
1182         yaffs_mkdir("/ram/a",0);
1183         yaffs_mkdir("/ram/a/b",0);
1184         yaffs_mkdir("/ram/c",0);
1185
1186         printf("\nDirectory look-up of /ram\n");
1187         dumpDir("/ram");
1188         dumpDir("/ram/a");
1189         dumpDir("/ram/a/b");
1190
1191         printf("Do rename (should fail)\n");
1192
1193         r = yaffs_rename("/ram/a","/ram/a/b/d");
1194         printf("\nDirectory look-up of /ram\n");
1195         dumpDir("/ram");
1196         dumpDir("/ram/a");
1197         dumpDir("/ram/a/b");
1198
1199         printf("Do rename (should not fail)\n");
1200
1201         r = yaffs_rename("/ram/c","/ram/a/b/d");
1202         printf("\nDirectory look-up of /ram\n");
1203         dumpDir("/ram");
1204         dumpDir("/ram/a");
1205         dumpDir("/ram/a/b");
1206
1207
1208         return 1;
1209
1210 }
1211
1212 int cache_read_test(void)
1213 {
1214         int a,b,c;
1215         int i;
1216         int sizeOfFiles = 500000;
1217         char buffer[100];
1218
1219         yaffs_StartUp();
1220
1221         yaffs_mount("/boot");
1222
1223         make_a_file("/boot/a",'a',sizeOfFiles);
1224         make_a_file("/boot/b",'b',sizeOfFiles);
1225
1226         a = yaffs_open("/boot/a",O_RDONLY,0);
1227         b = yaffs_open("/boot/b",O_RDONLY,0);
1228         c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
1229
1230         do{
1231                 i = sizeOfFiles;
1232                 if (i > 100) i = 100;
1233                 sizeOfFiles  -= i;
1234                 yaffs_read(a,buffer,i);
1235                 yaffs_read(b,buffer,i);
1236                 yaffs_write(c,buffer,i);
1237         } while(sizeOfFiles > 0);
1238
1239
1240
1241         return 1;
1242
1243 }
1244
1245 int cache_bypass_bug_test(void)
1246 {
1247         // This test reporoduces a bug whereby YAFFS caching *was* buypassed
1248         // resulting in erroneous reads after writes.
1249         // This bug has been fixed.
1250
1251         int a;
1252         char buffer1[1000];
1253         char buffer2[1000];
1254
1255         memset(buffer1,0,sizeof(buffer1));
1256         memset(buffer2,0,sizeof(buffer2));
1257
1258         yaffs_StartUp();
1259
1260         yaffs_mount("/boot");
1261
1262         // Create a file of 2000 bytes.
1263         make_a_file("/boot/a",'X',2000);
1264
1265         a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
1266
1267         // Write a short sequence to the file.
1268         // This will go into the cache.
1269         yaffs_lseek(a,0,SEEK_SET);
1270         yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20);
1271
1272         // Read a short sequence from the file.
1273         // This will come from the cache.
1274         yaffs_lseek(a,0,SEEK_SET);
1275         yaffs_read(a,buffer1,30);
1276
1277         // Read a page size sequence from the file.
1278         yaffs_lseek(a,0,SEEK_SET);
1279         yaffs_read(a,buffer2,512);
1280
1281         printf("buffer 1 %s\n",buffer1);
1282         printf("buffer 2 %s\n",buffer2);
1283
1284         if(strncmp(buffer1,buffer2,20))
1285         {
1286                 printf("Cache bypass bug detected!!!!!\n");
1287         }
1288
1289
1290         return 1;
1291 }
1292
1293
1294 int free_space_check(void)
1295 {
1296         int f;
1297
1298                 yaffs_StartUp();
1299                 yaffs_mount("/boot");
1300             fill_disk("/boot/",2);
1301             f = yaffs_freespace("/boot");
1302
1303             printf("%d free when disk full\n",f);
1304             return 1;
1305 }
1306
1307 int truncate_test(void)
1308 {
1309         int a;
1310         int r;
1311         int i;
1312         int l;
1313
1314         char y[10];
1315
1316         yaffs_StartUp();
1317         yaffs_mount("/boot");
1318
1319         yaffs_unlink("/boot/trunctest");
1320
1321         a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE);
1322
1323         yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
1324
1325         yaffs_ftruncate(a,3);
1326         l= yaffs_lseek(a,0,SEEK_END);
1327
1328         printf("truncated length is %d\n",l);
1329
1330         yaffs_lseek(a,5,SEEK_SET);
1331         yaffs_write(a,"1",1);
1332
1333         yaffs_lseek(a,0,SEEK_SET);
1334
1335         r = yaffs_read(a,y,10);
1336
1337         printf("read %d bytes:",r);
1338
1339         for(i = 0; i < r; i++) printf("[%02X]",y[i]);
1340
1341         printf("\n");
1342
1343         return 0;
1344
1345 }
1346
1347
1348
1349
1350
1351 void fill_disk_test(const char *mountpt)
1352 {
1353         int i;
1354         yaffs_StartUp();
1355
1356         for(i = 0; i < 5; i++)
1357         {
1358                 yaffs_mount(mountpt);
1359                 fill_disk_and_delete(mountpt,100,i+1);
1360                 yaffs_unmount(mountpt);
1361         }
1362
1363 }
1364
1365
1366
1367 void lookup_test(const char *mountpt)
1368 {
1369         int i;
1370         int h;
1371         char a[100];
1372
1373
1374         yaffs_DIR *d;
1375         yaffs_dirent *de;
1376
1377         yaffs_StartUp();
1378
1379         yaffs_mount(mountpt);
1380
1381         d = yaffs_opendir(mountpt);
1382
1383         if(!d)
1384         {
1385                 printf("opendir failed\n");
1386         }
1387         else
1388         {
1389
1390                 for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
1391                 {
1392                         printf("unlinking %s\n",de->d_name);
1393                         yaffs_unlink(de->d_name);
1394                 }
1395
1396                 printf("%d files deleted\n",i);
1397         }
1398
1399
1400         for(i = 0; i < 2000; i++){
1401         sprintf(a,"%s/%d",mountpt,i);
1402                 h =  yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
1403                 yaffs_close(h);
1404         }
1405
1406         yaffs_rewinddir(d);
1407         for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
1408         {
1409                 printf("%d  %s\n",i,de->d_name);
1410         }
1411
1412         printf("%d files listed\n\n\n",i);
1413
1414         yaffs_rewinddir(d);
1415         yaffs_readdir(d);
1416         yaffs_readdir(d);
1417         yaffs_readdir(d);
1418
1419         for(i = 0; i < 2000; i++){
1420                 sprintf(a,"%s/%d",mountpt,i);
1421                 yaffs_unlink(a);
1422         }
1423
1424
1425         yaffs_unmount(mountpt);
1426
1427 }
1428
1429 void link_test(const char *mountpt)
1430 {
1431         int i;
1432         int h;
1433         char a[100];
1434         char b[100];
1435         char c[100];
1436
1437         sprintf(a,"%s/aaa",mountpt);
1438         sprintf(b,"%s/bbb",mountpt);
1439         sprintf(c,"%s/ccc",mountpt);
1440
1441         yaffs_StartUp();
1442
1443         yaffs_mount(mountpt);
1444
1445
1446         h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1447         for(i = 0; i < 100; i++)
1448                 yaffs_write(h,a,100);
1449
1450         yaffs_close(h);
1451
1452         yaffs_unlink(b);
1453         yaffs_unlink(c);
1454         yaffs_link(a,b);
1455         yaffs_link(a,c);
1456         yaffs_unlink(b);
1457         yaffs_unlink(c);
1458         yaffs_unlink(a);
1459
1460
1461         yaffs_unmount(mountpt);
1462         yaffs_mount(mountpt);
1463
1464         printf("link test done\n");
1465
1466 }
1467
1468 void freespace_test(const char *mountpt)
1469 {
1470         int i;
1471         int h;
1472         char a[100];
1473
1474         int  f0;
1475         int f1;
1476         int f2;
1477         int f3;
1478         sprintf(a,"%s/aaa",mountpt);
1479
1480         yaffs_StartUp();
1481
1482         yaffs_mount(mountpt);
1483
1484         f0 = yaffs_freespace(mountpt);
1485
1486         h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1487
1488         for(i = 0; i < 100; i++)
1489                 yaffs_write(h,a,100);
1490
1491         yaffs_close(h);
1492
1493         f1 = yaffs_freespace(mountpt);
1494
1495         yaffs_unlink(a);
1496
1497         f2 = yaffs_freespace(mountpt);
1498
1499
1500         yaffs_unmount(mountpt);
1501         yaffs_mount(mountpt);
1502
1503         f3 = yaffs_freespace(mountpt);
1504
1505         printf("%d\n%d\n%d\n%d\n",f0, f1,f2,f3);
1506
1507
1508 }
1509
1510 void simple_rw_test(const char *mountpt)
1511 {
1512         int i;
1513         int h;
1514         char a[100];
1515
1516         int x;
1517         int result;
1518
1519         sprintf(a,"%s/aaa",mountpt);
1520
1521         yaffs_StartUp();
1522
1523         yaffs_mount(mountpt);
1524
1525         yaffs_unlink(a);
1526
1527         h = yaffs_open(a,O_CREAT| O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1528
1529         for(i = 100000;i < 200000; i++){
1530                 result = yaffs_write(h,&i,sizeof(i));
1531
1532                 if(result != 4)
1533                 {
1534                         printf("write error\n");
1535                         exit(1);
1536                 }
1537         }
1538
1539         //yaffs_close(h);
1540
1541         // h = yaffs_open(a,O_RDWR, S_IREAD | S_IWRITE);
1542
1543
1544         yaffs_lseek(h,0,SEEK_SET);
1545
1546         for(i = 100000; i < 200000; i++){
1547                 result = yaffs_read(h,&x,sizeof(x));
1548
1549                 if(result != 4 || x != i){
1550                         printf("read error %d %x %x\n",i,result,x);
1551                 }
1552         }
1553
1554         printf("Simple rw test passed\n");
1555
1556
1557
1558 }
1559
1560
1561 void scan_deleted_files_test(const char *mountpt)
1562 {
1563         char fn[100];
1564         char sub[100];
1565
1566         const char *p;
1567
1568         int i;
1569         int j;
1570         int k;
1571         int h;
1572
1573         sprintf(sub,"%s/sdir",mountpt);
1574         yaffs_StartUp();
1575
1576         for(j = 0; j < 10; j++)
1577         {
1578                 printf("\n\n>>>>>>> Run %d <<<<<<<<<<<<<\n\n",j);
1579                 yaffs_mount(mountpt);
1580                 yaffs_mkdir(sub,0);
1581
1582
1583                 p = (j & 0) ? mountpt: sub;
1584
1585                 for(i = 0; i < 100; i++)
1586                 {
1587                   sprintf(fn,"%s/%d",p,i);
1588
1589                   if(i & 1)
1590                   {
1591                           h = yaffs_open(fn,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1592                           for(k = 0; k < 1000; k++)
1593                                   yaffs_write(h,fn,100);
1594                           yaffs_close(h);
1595                   }
1596                   else
1597                         yaffs_mkdir(fn,0);
1598                 }
1599
1600                 for(i = 0; i < 10; i++)
1601                 {
1602                   sprintf(fn,"%s/%d",p,i);
1603                   if(i & 1)
1604                         yaffs_unlink(fn);
1605                   else
1606                         yaffs_rmdir(fn);
1607
1608                 }
1609
1610                 yaffs_unmount(mountpt);
1611         }
1612
1613
1614
1615
1616 }
1617
1618
1619 void write_10k(int h)
1620 {
1621    int i;
1622    const char *s="0123456789";
1623    for(i = 0; i < 1000; i++)
1624      yaffs_write(h,s,10);
1625
1626 }
1627 void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
1628 {
1629    int h1;
1630    int i;
1631    int offs;
1632
1633    h1 = yaffs_open(fn, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1634
1635    for(i = 0; i < 100000; i+= 10000)
1636    {
1637         write_10k(h1);
1638    }
1639
1640    offs = yaffs_lseek(h1,0,SEEK_CUR);
1641    if( offs != 100000)
1642    {
1643         printf("Could not write file\n");
1644    }
1645
1646    yaffs_unlink(fdel);
1647    for(i = 0; i < 100000; i+= 10000)
1648    {
1649         write_10k(h1);
1650    }
1651
1652    offs = yaffs_lseek(h1,0,SEEK_CUR);
1653    if( offs != 200000)
1654    {
1655         printf("Could not write file\n");
1656    }
1657
1658    yaffs_close(h1);
1659    yaffs_unlink(fdel1);
1660
1661 }
1662
1663
1664 void verify_200k_file(const char *fn)
1665 {
1666    int h1;
1667    int i;
1668    char x[11];
1669    const char *s="0123456789";
1670    int errCount = 0;
1671
1672    h1 = yaffs_open(fn, O_RDONLY, 0);
1673
1674    for(i = 0; i < 200000 && errCount < 10; i+= 10)
1675    {
1676         yaffs_read(h1,x,10);
1677         if(strncmp(x,s,10) != 0)
1678         {
1679                 printf("File %s verification failed at %d\n",fn,i);
1680                 errCount++;
1681         }
1682    }
1683    if(errCount >= 10)
1684         printf("Too many errors... aborted\n");
1685
1686    yaffs_close(h1);
1687
1688 }
1689
1690
1691 void check_resize_gc_bug(const char *mountpt)
1692 {
1693
1694         char a[30];
1695         char b[30];
1696         char c[30];
1697
1698         int i;
1699
1700         sprintf(a,"%s/a",mountpt);
1701         sprintf(b,"%s/b",mountpt);
1702         sprintf(c,"%s/c",mountpt);
1703
1704
1705
1706
1707         yaffs_StartUp();
1708         yaffs_mount(mountpt);
1709         yaffs_unlink(a);
1710         yaffs_unlink(b);
1711
1712         for(i = 0; i < 50; i++)
1713         {
1714            printf("A\n");write_200k_file(a,"",c);
1715            printf("B\n");verify_200k_file(a);
1716            printf("C\n");write_200k_file(b,a,c);
1717            printf("D\n");verify_200k_file(b);
1718            yaffs_unmount(mountpt);
1719            yaffs_mount(mountpt);
1720            printf("E\n");verify_200k_file(a);
1721            printf("F\n");verify_200k_file(b);
1722         }
1723
1724 }
1725
1726
1727 void multi_mount_test(const char *mountpt,int nmounts)
1728 {
1729
1730         char a[30];
1731
1732         int i;
1733         int j;
1734
1735         sprintf(a,"%s/a",mountpt);
1736
1737         yaffs_StartUp();
1738
1739         for(i = 0; i < nmounts; i++){
1740                 int h0;
1741                 int h1;
1742                 int len0;
1743                 int len1;
1744
1745                 static char xx[1000];
1746
1747                 printf("############### Iteration %d   Start\n",i);
1748                 if(1 || i == 0 || i == 5)
1749                         yaffs_mount(mountpt);
1750
1751                 dump_directory_tree(mountpt);
1752
1753
1754                 yaffs_mkdir(a,0);
1755
1756                 sprintf(xx,"%s/0",a);
1757                 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1758
1759                 sprintf(xx,"%s/1",a);
1760                 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1761
1762 #if 0
1763                 for(j = 0; j < 200; j++){
1764                    yaffs_write(h0,xx,1000);
1765                    yaffs_write(h1,xx,1000);
1766                 }
1767 #else
1768                 while(yaffs_write(h0,xx,1000) > 0){
1769
1770                    yaffs_write(h1,xx,1000);
1771                 }
1772 #endif
1773                 len0 = yaffs_lseek(h0,0,SEEK_END);
1774                 len1 = yaffs_lseek(h1,0,SEEK_END);
1775
1776                 yaffs_lseek(h0,0,SEEK_SET);
1777                 yaffs_lseek(h1,0,SEEK_SET);
1778
1779                 for(j = 0; j < 200; j++){
1780                    yaffs_read(h0,xx,1000);
1781                    yaffs_read(h1,xx,1000);
1782                 }
1783
1784
1785         //      yaffs_truncate(h0,0);
1786                 yaffs_close(h0);
1787                 yaffs_close(h1);
1788
1789                 printf("########### %d\n",i);
1790                 dump_directory_tree(mountpt);
1791
1792                 if(1 || i == 4 || i == nmounts -1)
1793                         yaffs_unmount(mountpt);
1794         }
1795 }
1796
1797
1798 void small_mount_test(const char *mountpt,int nmounts)
1799 {
1800
1801         char a[30];
1802
1803         int i;
1804         int j;
1805
1806         int h0;
1807         int h1;
1808         int len0;
1809         int len1;
1810         int nread;
1811
1812         sprintf(a,"%s/a",mountpt);
1813
1814         yaffs_StartUp();
1815
1816
1817
1818         for(i = 0; i < nmounts; i++){
1819
1820                 static char xx[1000];
1821
1822                 printf("############### Iteration %d   Start\n",i);
1823                 if(1 || i == 0 || i == 5)
1824                         yaffs_mount(mountpt);
1825
1826                 dump_directory_tree(mountpt);
1827
1828                 yaffs_mkdir(a,0);
1829
1830                 sprintf(xx,"%s/0",a);
1831                 if(i ==0){
1832
1833                         h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1834                         for(j = 0; j < 130; j++)
1835                                 yaffs_write(h0,xx,1000);
1836                         yaffs_close(h0);
1837                 }
1838
1839                 h0 = yaffs_open(xx,O_RDONLY,0);
1840
1841                 sprintf(xx,"%s/1",a);
1842                 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1843
1844                 while((nread = yaffs_read(h0,xx,1000)) > 0)
1845                         yaffs_write(h1,xx,nread);
1846
1847
1848                 len0 = yaffs_lseek(h0,0,SEEK_END);
1849                 len1 = yaffs_lseek(h1,0,SEEK_END);
1850
1851                 yaffs_lseek(h0,0,SEEK_SET);
1852                 yaffs_lseek(h1,0,SEEK_SET);
1853
1854                 for(j = 0; j < 200; j++){
1855                    yaffs_read(h0,xx,1000);
1856                    yaffs_read(h1,xx,1000);
1857                 }
1858
1859                 yaffs_close(h0);
1860                 yaffs_close(h1);
1861
1862                 printf("########### %d\n",i);
1863                 dump_directory_tree(mountpt);
1864
1865                 if(1 || i == 4 || i == nmounts -1)
1866                         yaffs_unmount(mountpt);
1867         }
1868 }
1869
1870
1871 int early_exit;
1872
1873 void small_overwrite_test(const char *mountpt,int nmounts)
1874 {
1875
1876         char a[30];
1877         int i;
1878         int j;
1879
1880         int h0;
1881         int h1;
1882
1883
1884         sprintf(a,"%s/a",mountpt);
1885
1886         yaffs_StartUp();
1887
1888
1889
1890         for(i = 0; i < nmounts; i++){
1891
1892                 static char xx[8000];
1893
1894                 printf("############### Iteration %d   Start\n",i);
1895                 if(1)
1896                         yaffs_mount(mountpt);
1897
1898                 dump_directory_tree(mountpt);
1899
1900                 yaffs_mkdir(a,0);
1901
1902                 sprintf(xx,"%s/0",a);
1903                 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1904                 sprintf(xx,"%s/1",a);
1905                 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1906
1907                 for(j = 0; j < 1000000; j+=1000){
1908                         yaffs_ftruncate(h0,j);
1909                         yaffs_lseek(h0,j,SEEK_SET);
1910                         yaffs_write(h0,xx,7000);
1911                         yaffs_write(h1,xx,7000);
1912
1913                         if(early_exit)
1914                                 exit(0);
1915                 }
1916
1917                 yaffs_close(h0);
1918
1919                 printf("########### %d\n",i);
1920                 dump_directory_tree(mountpt);
1921
1922                 if(1)
1923                         yaffs_unmount(mountpt);
1924         }
1925 }
1926
1927
1928 void seek_overwrite_test(const char *mountpt,int nmounts)
1929 {
1930
1931         char a[30];
1932
1933         int i;
1934         int j;
1935
1936         int h0;
1937
1938
1939         sprintf(a,"%s/f",mountpt);
1940
1941         yaffs_StartUp();
1942
1943         yaffs_mount(mountpt);
1944
1945
1946         for(i = 0; i < nmounts; i++){
1947
1948                 h0 = yaffs_open(a, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1949
1950                 for(j = 0; j < 100000; j++){
1951                         yaffs_lseek(h0,0,SEEK_SET);
1952                         yaffs_write(h0,xx,5000);
1953                         yaffs_lseek(h0,0x100000,SEEK_SET);
1954                         yaffs_write(h0,xx,5000);
1955
1956                         if(early_exit)
1957                                 exit(0);
1958                 }
1959
1960                 yaffs_close(h0);
1961
1962         }
1963 }
1964
1965
1966 void yaffs_touch(const char *fn)
1967 {
1968         yaffs_chmod(fn, S_IREAD | S_IWRITE);
1969 }
1970
1971 void checkpoint_fill_test(const char *mountpt,int nmounts)
1972 {
1973
1974         char a[50];
1975         char b[50];
1976         char c[50];
1977
1978         int i;
1979         int j;
1980         int h;
1981
1982         sprintf(a,"%s/a",mountpt);
1983
1984
1985
1986
1987         yaffs_StartUp();
1988
1989         for(i = 0; i < nmounts; i++){
1990                 printf("############### Iteration %d   Start\n",i);
1991                 yaffs_mount(mountpt);
1992                 dump_directory_tree(mountpt);
1993                 yaffs_mkdir(a,0);
1994
1995                 sprintf(b,"%s/zz",a);
1996
1997                 h = yaffs_open(b,O_CREAT | O_RDWR,S_IREAD |S_IWRITE);
1998
1999
2000                 while(yaffs_write(h,c,50) == 50){}
2001
2002                 yaffs_close(h);
2003
2004                 for(j = 0; j < 2; j++){
2005                         printf("touch %d\n",j);
2006                         yaffs_touch(b);
2007                         yaffs_unmount(mountpt);
2008                         yaffs_mount(mountpt);
2009                 }
2010
2011                 dump_directory_tree(mountpt);
2012                 yaffs_unmount(mountpt);
2013         }
2014 }
2015
2016
2017 int make_file2(const char *name1, const char *name2,int syz)
2018 {
2019
2020         char xx[2500];
2021         int i;
2022         int h1=-1,h2=-1;
2023         int n = 1;
2024
2025
2026         if(name1)
2027                 h1 = yaffs_open(name1,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
2028         if(name2)
2029                 h2 = yaffs_open(name2,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
2030
2031         while(syz > 0 && n > 0){
2032                 i = (syz > 2500) ? 2500 : syz;
2033                 n = yaffs_write(h1,xx,i);
2034                 n = yaffs_write(h2,xx,i);
2035                 syz -= 500;
2036         }
2037         yaffs_close(h1);
2038         yaffs_close(h2);
2039         return 0;
2040 }
2041
2042
2043 extern void SetCheckpointReservedBlocks(int n);
2044
2045 void checkpoint_upgrade_test(const char *mountpt,int nmounts)
2046 {
2047
2048         char a[50];
2049         char b[50];
2050         char c[50];
2051         char d[50];
2052
2053         int j;
2054
2055         sprintf(a,"%s/a",mountpt);
2056
2057
2058
2059
2060         printf("Create start condition\n");
2061         yaffs_StartUp();
2062         SetCheckpointReservedBlocks(0);
2063         yaffs_mount(mountpt);
2064         yaffs_mkdir(a,0);
2065         sprintf(b,"%s/zz",a);
2066         sprintf(c,"%s/xx",a);
2067         make_file2(b,c,2000000);
2068         sprintf(d,"%s/aa",a);
2069         make_file2(d,NULL,500000000);
2070         dump_directory_tree(mountpt);
2071
2072         printf("Umount/mount attempt full\n");
2073         yaffs_unmount(mountpt);
2074
2075         SetCheckpointReservedBlocks(10);
2076         yaffs_mount(mountpt);
2077
2078         printf("unlink small file\n");
2079         yaffs_unlink(c);
2080         dump_directory_tree(mountpt);
2081
2082         printf("Umount/mount attempt\n");
2083         yaffs_unmount(mountpt);
2084         yaffs_mount(mountpt);
2085
2086         for(j = 0; j < 500; j++){
2087                 printf("***** touch %d\n",j);
2088                 dump_directory_tree(mountpt);
2089                 yaffs_touch(b);
2090                 yaffs_unmount(mountpt);
2091                 yaffs_mount(mountpt);
2092         }
2093
2094         for(j = 0; j < 500; j++){
2095                 printf("***** touch %d\n",j);
2096                 dump_directory_tree(mountpt);
2097                 yaffs_touch(b);
2098                 yaffs_unmount(mountpt);
2099                 yaffs_mount(mountpt);
2100         }
2101 }
2102
2103 void huge_array_test(const char *mountpt,int n)
2104 {
2105
2106         char a[50];
2107
2108
2109         int i;
2110         int space;
2111
2112         int fnum;
2113
2114         sprintf(a,"mount point %s",mountpt);
2115
2116
2117
2118         yaffs_StartUp();
2119
2120         yaffs_mount(mountpt);
2121
2122         while(n>0){
2123                 n--;
2124                 fnum = 0;
2125                 printf("\n\n START run\n\n");
2126                 while((space = yaffs_freespace(mountpt)) > 25000000){
2127                         sprintf(a,"%s/file%d",mountpt,fnum);
2128                         fnum++;
2129                         printf("create file %s, free space %d\n",a,space);
2130                         create_file_of_size(a,10000000);
2131                         printf("verifying file %s\n",a);
2132                         verify_file_of_size(a,10000000);
2133                 }
2134
2135                 printf("\n\n verification/deletion\n\n");
2136
2137                 for(i = 0; i < fnum; i++){
2138                         sprintf(a,"%s/file%d",mountpt,i);
2139                         printf("verifying file %s\n",a);
2140                         verify_file_of_size(a,10000000);
2141                         printf("deleting file %s\n",a);
2142                         yaffs_unlink(a);
2143                 }
2144                 printf("\n\n done \n\n");
2145
2146
2147         }
2148 }
2149
2150
2151 void random_write(int h)
2152 {
2153         static char buffer[12000];
2154         int n;
2155
2156         n = random() & 0x1FFF;
2157         yaffs_write(h,buffer,n);
2158 }
2159
2160 void random_seek(int h)
2161 {
2162         int n;
2163         n = random() & 0xFFFFF;
2164         yaffs_lseek(h,n,SEEK_SET);
2165 }
2166
2167 void random_truncate(int h, char * name)
2168 {
2169         int n;
2170         int flen;
2171         n = random() & 0xFFFFF;
2172         flen = yaffs_lseek(h,0,SEEK_END);
2173         if(n > flen)
2174                 n = flen / 2;
2175         yaffs_ftruncate(h,n);
2176         yaffs_lseek(h,n,SEEK_SET);
2177 }
2178
2179
2180 #define NSMALLFILES 10
2181 void random_small_file_test(const char *mountpt,int iterations)
2182 {
2183
2184         char a[NSMALLFILES][50];
2185
2186
2187         int i;
2188         int n;
2189         int h[NSMALLFILES];
2190         int r;
2191
2192
2193         yaffs_StartUp();
2194
2195         yaffs_mount(mountpt);
2196
2197         for(i = 0; i < NSMALLFILES; i++){
2198                 h[i]=-1;
2199                 strcpy(a[i],"");
2200         }
2201
2202         for(n = 0; n < iterations; n++){
2203
2204                 for(i = 0; i < NSMALLFILES; i++) {
2205                         r = random();
2206
2207                         if(strlen(a[i]) == 0){
2208                                 sprintf(a[i],"%s/%dx%d",mountpt,n,i);
2209                                 h[i] = yaffs_open(a[i],O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
2210                         }
2211
2212                         if(h[i] < -1)
2213                                 printf("Could not open yaffs file %d %d error %d\n",n,i,h[i]);
2214                         else {
2215                                 r = r & 7;
2216                                 switch(r){
2217                                         case 0:
2218                                         case 1:
2219                                         case 2:
2220                                                 random_write(h[i]);
2221                                                 break;
2222                                         case 3:
2223                                                 random_truncate(h[i],a[i]);
2224                                                 break;
2225                                         case 4:
2226                                         case 5: random_seek(h[i]);
2227                                                 break;
2228                                         case 6:
2229                                                 yaffs_close(h[i]);
2230                                                 h[i] = -1;
2231                                                 break;
2232                                         case 7:
2233                                                 yaffs_close(h[i]);
2234                                                 yaffs_unlink(a[i]);
2235                                                 strcpy(a[i],"");
2236                                                 h[i] = -1;
2237                                 }
2238                         }
2239                 }
2240
2241         }
2242
2243         for(i = 0; i < NSMALLFILES; i++)
2244                 yaffs_close(h[i]);
2245
2246         yaffs_unmount(mountpt);
2247 }
2248
2249
2250
2251 int main(int argc, char *argv[])
2252 {
2253         //return long_test(argc,argv);
2254
2255         //return cache_read_test();
2256
2257         resize_stress_test_no_grow("/flash/flash",20);
2258
2259         //huge_directory_test_on_path("/ram2k");
2260
2261          //yaffs_backward_scan_test("/flash/flash");
2262         // yaffs_device_flush_test("/flash/flash");
2263
2264
2265          //scan_pattern_test("/flash",10000,10);
2266         //short_scan_test("/flash/flash",40000,200);
2267           //small_mount_test("/flash/flash",1000);
2268           //small_overwrite_test("/flash/flash",1000);
2269           //seek_overwrite_test("/flash/flash",1000);
2270          //checkpoint_fill_test("/flash/flash",20);
2271          //checkpoint_upgrade_test("/flash/flash",20);
2272           //small_overwrite_test("/flash/flash",1000);
2273           //checkpoint_fill_test("/flash/flash",20);
2274         // random_small_file_test("/flash/flash",10000);
2275          // huge_array_test("/flash/flash",10);
2276
2277
2278
2279
2280         //long_test_on_path("/ram2k");
2281         // long_test_on_path("/flash");
2282         //simple_rw_test("/flash/flash");
2283         //fill_disk_test("/flash/flash");
2284         // rename_over_test("/flash");
2285         //lookup_test("/flash");
2286         //freespace_test("/flash/flash");
2287
2288         //link_test("/flash/flash");
2289
2290
2291
2292
2293         // cache_bypass_bug_test();
2294
2295          //free_space_check();
2296
2297          //check_resize_gc_bug("/flash");
2298
2299          return 0;
2300
2301 }