/* * YAFFS: Yet another FFS. A NAND-flash specific file system. * * Copyright (C) 2002 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #include #include #include #include #include "yaffsfs.h" #include "nor_stress.h" void dumpDir(const char *dname); char xx[600]; void copy_in_a_file(char *yaffsName,char *inName) { int inh,outh; unsigned char buffer[100]; int ni,no; inh = open(inName,O_RDONLY); outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); while((ni = read(inh,buffer,100)) > 0) { no = yaffs_write(outh,buffer,ni); if(ni != no) { printf("problem writing yaffs file\n"); } } yaffs_close(outh); close(inh); } void make_a_file(char *yaffsName,char bval,int sizeOfFile) { int outh; int i; unsigned char buffer[100]; outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); memset(buffer,bval,100); do{ i = sizeOfFile; if(i > 100) i = 100; sizeOfFile -= i; yaffs_write(outh,buffer,i); } while (sizeOfFile > 0); yaffs_close(outh); } void make_pattern_file(char *fn,int size) { int outh; int marker; int i; outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); yaffs_lseek(outh,size-1,SEEK_SET); yaffs_write(outh,"A",1); for(i = 0; i < size; i+=256) { marker = ~i; yaffs_lseek(outh,i,SEEK_SET); yaffs_write(outh,&marker,sizeof(marker)); } yaffs_close(outh); } int check_pattern_file(char *fn) { int h; int marker; int i; int size; int ok = 1; h = yaffs_open(fn, O_RDWR,0); size = yaffs_lseek(h,0,SEEK_END); for(i = 0; i < size; i+=256) { yaffs_lseek(h,i,SEEK_SET); yaffs_read(h,&marker,sizeof(marker)); ok = (marker == ~i); if(!ok) { printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n", fn,size,i,marker,~i); } } yaffs_close(h); return ok; } int dump_file_data(char *fn) { int h; int i = 0; int ok = 1; unsigned char b; h = yaffs_open(fn, O_RDWR,0); printf("%s\n",fn); while(yaffs_read(h,&b,1)> 0) { printf("%02x",b); i++; if(i > 32) { printf("\n"); i = 0;; } } printf("\n"); yaffs_close(h); return ok; } void dump_file(const char *fn) { int i; int size; int h; h = yaffs_open(fn,O_RDONLY,0); if(h < 0) { printf("*****\nDump file %s does not exist\n",fn); } else { size = yaffs_lseek(h,0,SEEK_SET); printf("*****\nDump file %s size %d\n",fn,size); for(i = 0; i < size; i++) { } } } void create_file_of_size(const char *fn,int syze) { int h; int n; int result; char xx[200]; int iterations = (syze + strlen(fn) -1)/ strlen(fn); h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); while (iterations > 0) { sprintf(xx,"%s %8d",fn,iterations); n = strlen(xx); result = yaffs_write(h,xx,n); if(result != n) printf("Wrote %d, should have been %d\n",result,n); iterations--; } yaffs_close (h); } void verify_file_of_size(const char *fn,int syze) { int h; int result; char xx[200]; char yy[200]; int l; int iterations = (syze + strlen(fn) -1)/ strlen(fn); h = yaffs_open(fn, O_RDONLY, S_IREAD | S_IWRITE); while (iterations > 0) { sprintf(xx,"%s %8d",fn,iterations); l = strlen(xx); result = yaffs_read(h,yy,l); yy[l] = 0; if(strcmp(xx,yy)){ printf("=====>>>>> verification of file %s failed near position %lld\n",fn,(long long)yaffs_lseek(h,0,SEEK_CUR)); } iterations--; } yaffs_close (h); } void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2) { int h; int iterations; h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); iterations = (syze1 + strlen(fn) -1)/ strlen(fn); while (iterations > 0) { yaffs_write(h,fn,strlen(fn)); iterations--; } yaffs_ftruncate(h,reSyze); yaffs_lseek(h,0,SEEK_SET); iterations = (syze2 + strlen(fn) -1)/ strlen(fn); while (iterations > 0) { yaffs_write(h,fn,strlen(fn)); iterations--; } yaffs_close (h); } void do_some_file_stuff(const char *path) { char fn[100]; sprintf(fn,"%s/%s",path,"f1"); create_file_of_size(fn,10000); sprintf(fn,"%s/%s",path,"fdel"); create_file_of_size(fn,10000); yaffs_unlink(fn); sprintf(fn,"%s/%s",path,"f2"); create_resized_file_of_size(fn,10000,3000,4000); } void yaffs_backward_scan_test(const char *path) { char fn[100]; yaffs_StartUp(); yaffs_mount(path); do_some_file_stuff(path); sprintf(fn,"%s/ddd",path); yaffs_mkdir(fn,0); do_some_file_stuff(fn); yaffs_unmount(path); yaffs_mount(path); } char xxzz[2000]; void yaffs_device_flush_test(const char *path) { char fn[100]; int h; int i; yaffs_StartUp(); yaffs_mount(path); do_some_file_stuff(path); // Open and add some data to a few files for(i = 0; i < 10; i++) { sprintf(fn,"%s/ff%d",path,i); h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IWRITE | S_IREAD); yaffs_write(h,xxzz,2000); yaffs_write(h,xxzz,2000); } yaffs_unmount(path); yaffs_mount(path); } void short_scan_test(const char *path, int fsize, int niterations) { int i; char fn[100]; sprintf(fn,"%s/%s",path,"f1"); yaffs_StartUp(); for(i = 0; i < niterations; i++) { printf("\n*****************\nIteration %d\n",i); yaffs_mount(path); printf("\nmount: Directory look-up of %s\n",path); dumpDir(path); make_a_file(fn,1,fsize); yaffs_unmount(path); } } void scan_pattern_test(const char *path, int fsize, int niterations) { int i; int j; char fn[3][100]; int result; sprintf(fn[0],"%s/%s",path,"f0"); sprintf(fn[1],"%s/%s",path,"f1"); sprintf(fn[2],"%s/%s",path,"f2"); yaffs_StartUp(); for(i = 0; i < niterations; i++) { printf("\n*****************\nIteration %d\n",i); yaffs_mount(path); printf("\nmount: Directory look-up of %s\n",path); dumpDir(path); for(j = 0; j < 3; j++) { result = dump_file_data(fn[j]); result = check_pattern_file(fn[j]); make_pattern_file(fn[j],fsize); result = dump_file_data(fn[j]); result = check_pattern_file(fn[j]); } yaffs_unmount(path); } } void fill_disk(const char *path,int nfiles) { int h; int n; int result; int f; char str[50]; for(n = 0; n < nfiles; n++) { sprintf(str,"%s/%d",path,n); h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); printf("writing file %s handle %d ",str, h); while ((result = yaffs_write(h,xx,600)) == 600) { f = yaffs_freespace(path); } result = yaffs_close(h); printf(" close %d\n",result); } } void fill_disk_and_delete(const char *path, int nfiles, int ncycles) { int i,j; char str[50]; int result; for(i = 0; i < ncycles; i++) { printf("@@@@@@@@@@@@@@ cycle %d\n",i); fill_disk(path,nfiles); for(j = 0; j < nfiles; j++) { sprintf(str,"%s/%d",path,j); result = yaffs_unlink(str); printf("unlinking file %s, result %d\n",str,result); } } } void fill_files(char *path,int flags, int maxIterations,int siz) { int i; int j; char str[50]; int h; i = 0; do{ sprintf(str,"%s/%d",path,i); h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE); yaffs_close(h); if(h >= 0) { for(j = 0; j < siz; j++) { yaffs_write(h,str,1); } } if( flags & 1) { yaffs_unlink(str); } i++; } while(h >= 0 && i < maxIterations); if(flags & 2) { i = 0; do{ sprintf(str,"%s/%d",path,i); printf("unlink %s\n",str); i++; } while(yaffs_unlink(str) >= 0); } } void leave_unlinked_file(char *path,int maxIterations,int siz) { int i; char str[50]; int h; i = 0; do{ sprintf(str,"%s/%d",path,i); printf("create %s\n",str); h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE); if(h >= 0) { yaffs_unlink(str); } i++; } while(h < 0 && i < maxIterations); if(h >= 0) { for(i = 0; i < siz; i++) { yaffs_write(h,str,1); } } printf("Leaving file %s open\n",str); } void dumpDirFollow(const char *dname) { yaffs_DIR *d; yaffs_dirent *de; struct yaffs_stat s; char str[100]; d = yaffs_opendir(dname); if(!d) { printf("opendir failed\n"); } else { while((de = yaffs_readdir(d)) != NULL) { sprintf(str,"%s/%s",dname,de->d_name); yaffs_stat(str,&s); printf("%s ino %d length %d mode %X ",de->d_name,(int)s.st_ino,(int)s.st_size,s.st_mode); switch(s.st_mode & S_IFMT) { case S_IFREG: printf("data file"); break; case S_IFDIR: printf("directory"); break; case S_IFLNK: printf("symlink -->"); if(yaffs_readlink(str,str,100) < 0) printf("no alias"); else printf("\"%s\"",str); break; default: printf("unknown"); break; } printf("\n"); } yaffs_closedir(d); } printf("\n"); printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname)); } void dump_directory_tree_worker(const char *dname,int recursive) { yaffs_DIR *d; yaffs_dirent *de; struct yaffs_stat s; char str[1000]; d = yaffs_opendir(dname); if(!d) { printf("opendir failed\n"); } else { while((de = yaffs_readdir(d)) != NULL) { sprintf(str,"%s/%s",dname,de->d_name); yaffs_lstat(str,&s); 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); switch(s.st_mode & S_IFMT) { case S_IFREG: printf("data file"); break; case S_IFDIR: printf("directory"); break; case S_IFLNK: printf("symlink -->"); if(yaffs_readlink(str,str,100) < 0) printf("no alias"); else printf("\"%s\"",str); break; default: printf("unknown"); break; } printf("\n"); if((s.st_mode & S_IFMT) == S_IFDIR && recursive) dump_directory_tree_worker(str,1); } yaffs_closedir(d); } } static void dump_directory_tree(const char *dname) { dump_directory_tree_worker(dname,1); printf("\n"); printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname)); } void dumpDir(const char *dname) { dump_directory_tree_worker(dname,0); printf("\n"); printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname)); } static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult) { int fd; if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n"); fd = yaffs_open(path,tflags,0); if((fd >= 0) != (expectedResult > 0)) { printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult); } else { printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult); } yaffs_close(fd); } int long_test(int argc, char *argv[]) { int f; int r; char buffer[20]; char str[100]; int h; mode_t temp_mode; struct yaffs_stat ystat; yaffs_StartUp(); yaffs_mount("/boot"); yaffs_mount("/data"); yaffs_mount("/flash"); yaffs_mount("/ram"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); printf("\nDirectory look-up of /data\n"); dumpDir("/data"); printf("\nDirectory look-up of /flash\n"); dumpDir("/flash"); //leave_unlinked_file("/flash",20000,0); //leave_unlinked_file("/data",20000,0); leave_unlinked_file("/ram",20,0); f = yaffs_open("/boot/b1", O_RDONLY,0); printf("open /boot/b1 readonly, f=%d\n",f); f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE); printf("open /boot/b1 O_CREAT, f=%d\n",f); r = yaffs_write(f,"hello",1); printf("write %d attempted to write to a read-only file\n",r); r = yaffs_close(f); printf("close %d\n",r); f = yaffs_open("/boot/b1", O_RDWR,0); printf("open /boot/b1 O_RDWR,f=%d\n",f); r = yaffs_write(f,"hello",2); printf("write %d attempted to write to a writeable file\n",r); r = yaffs_write(f,"world",3); printf("write %d attempted to write to a writeable file\n",r); r= yaffs_lseek(f,0,SEEK_END); printf("seek end %d\n",r); memset(buffer,0,20); r = yaffs_read(f,buffer,10); printf("read %d \"%s\"\n",r,buffer); r= yaffs_lseek(f,0,SEEK_SET); printf("seek set %d\n",r); memset(buffer,0,20); r = yaffs_read(f,buffer,10); printf("read %d \"%s\"\n",r,buffer); memset(buffer,0,20); r = yaffs_read(f,buffer,10); printf("read %d \"%s\"\n",r,buffer); // Check values reading at end. // A read past end of file should return 0 for 0 bytes read. r= yaffs_lseek(f,0,SEEK_END); r = yaffs_read(f,buffer,10); printf("read at end returned %d\n",r); r= yaffs_lseek(f,500,SEEK_END); r = yaffs_read(f,buffer,10); printf("read past end returned %d\n",r); r = yaffs_close(f); printf("close %d\n",r); copy_in_a_file("/boot/yyfile","xxx"); // Create a file with a long name copy_in_a_file("/boot/file with a long name","xxx"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); // Check stat r = yaffs_stat("/boot/file with a long name",&ystat); // Check rename r = yaffs_rename("/boot/file with a long name","/boot/r1"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); // Check unlink r = yaffs_unlink("/boot/r1"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); // Check mkdir r = yaffs_mkdir("/boot/directory1",0); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); printf("\nDirectory look-up of /boot/directory1\n"); dumpDir("/boot/directory1"); // add a file to the directory copy_in_a_file("/boot/directory1/file with a long name","xxx"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); printf("\nDirectory look-up of /boot/directory1\n"); dumpDir("/boot/directory1"); // Attempt to delete directory (should fail) r = yaffs_rmdir("/boot/directory1"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); printf("\nDirectory look-up of /boot/directory1\n"); dumpDir("/boot/directory1"); // Delete file first, then rmdir should work r = yaffs_unlink("/boot/directory1/file with a long name"); r = yaffs_rmdir("/boot/directory1"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); printf("\nDirectory look-up of /boot/directory1\n"); dumpDir("/boot/directory1"); #if 0 fill_disk_and_delete("/boot",20,20); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); #endif yaffs_symlink("yyfile","/boot/slink"); yaffs_readlink("/boot/slink",str,100); printf("symlink alias is %s\n",str); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); printf("\nDirectory look-up of /boot (using stat instead of lstat)\n"); dumpDirFollow("/boot"); printf("\nDirectory look-up of /boot/directory1\n"); dumpDir("/boot/directory1"); h = yaffs_open("/boot/slink",O_RDWR,0); printf("file length is %d\n",(int)yaffs_lseek(h,0,SEEK_END)); yaffs_close(h); yaffs_unlink("/boot/slink"); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); // Check chmod yaffs_stat("/boot/yyfile",&ystat); temp_mode = ystat.st_mode; yaffs_chmod("/boot/yyfile",0x55555); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); yaffs_chmod("/boot/yyfile",temp_mode); printf("\nDirectory look-up of /boot\n"); dumpDir("/boot"); // Permission checks... PermissionsCheck("/boot/yyfile",0, O_WRONLY,0); PermissionsCheck("/boot/yyfile",0, O_RDONLY,0); PermissionsCheck("/boot/yyfile",0, O_RDWR,0); PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0); PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1); PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0); PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1); PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0); PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0); PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1); PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1); PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1); yaffs_chmod("/boot/yyfile",temp_mode); //create a zero-length file and unlink it (test for scan bug) h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0); yaffs_close(h); yaffs_unlink("/boot/zlf"); yaffs_DumpDevStruct("/boot"); fill_disk_and_delete("/boot",20,20); yaffs_DumpDevStruct("/boot"); fill_files("/boot",1,10000,0); fill_files("/boot",1,10000,5000); fill_files("/boot",2,10000,0); fill_files("/boot",2,10000,5000); leave_unlinked_file("/data",20000,0); leave_unlinked_file("/data",20000,5000); leave_unlinked_file("/data",20000,5000); leave_unlinked_file("/data",20000,5000); leave_unlinked_file("/data",20000,5000); leave_unlinked_file("/data",20000,5000); yaffs_DumpDevStruct("/boot"); yaffs_DumpDevStruct("/data"); return 0; } int huge_directory_test_on_path(char *path) { yaffs_DIR *d; yaffs_dirent *de; struct yaffs_stat s; int f; int i; int total = 0; int lastTotal = 0; char str[100]; yaffs_StartUp(); yaffs_mount(path); // Create a large number of files for(i = 0; i < 2000; i++) { sprintf(str,"%s/%d",path,i); f = yaffs_open(str,O_CREAT,S_IREAD | S_IWRITE); yaffs_close(f); } d = yaffs_opendir(path); i = 0; if (d) { while((de = yaffs_readdir(d)) != NULL) { if (total >lastTotal+100*9*1024||(i & 1023)==0){ printf("files = %d, total = %d\n",i, total); lastTotal = total; } i++; sprintf(str,"%s/%s",path,de->d_name); yaffs_lstat(str,&s); switch(s.st_mode & S_IFMT){ case S_IFREG: //printf("data file"); total += s.st_size; break; } } yaffs_closedir(d); } return 0; } int yaffs_scan_test(const char *path) { return 0; } void rename_over_test(const char *mountpt) { int i; char a[100]; char b[100]; char c[100]; sprintf(a,"%s/a",mountpt); sprintf(b,"%s/b",mountpt); sprintf(c,"%s/c",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); printf("Existing files\n"); dumpDirFollow(mountpt); i = yaffs_open(c,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); printf("File c handle is %d\n",i); yaffs_close(i); i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); yaffs_close(i); i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); yaffs_close(i); yaffs_rename(a,b); // rename over yaffs_rename(b,a); // rename back again (not renaimng over) yaffs_rename(a,b); // rename back again (not renaimng over) yaffs_unmount(mountpt); } int resize_stress_test(const char *path) { int a,b,i,j; int x; int r; char aname[100]; char bname[100]; char abuffer[1000]; char bbuffer[1000]; yaffs_StartUp(); yaffs_mount(path); sprintf(aname,"%s%s",path,"/a"); sprintf(bname,"%s%s",path,"/b"); memset(abuffer,'a',1000); memset(bbuffer,'b',1000); a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); printf(" %s %d %s %d\n",aname,a,bname,b); x = 0; for(j = 0; j < 100; j++) { yaffs_lseek(a,0,SEEK_END); for(i = 0; i <20000; i++) { //r = yaffs_lseek(b,i,SEEK_SET); //r = yaffs_write(b,bbuffer,1000); if(x & 0x16) { // shrink int syz = yaffs_lseek(a,0,SEEK_END); syz -= 500; if(syz < 0) syz = 0; yaffs_ftruncate(a,syz); } else { //expand r = yaffs_lseek(a,i * 500,SEEK_SET); r = yaffs_write(a,abuffer,1000); } x++; } } return 0; } int root_perm_remount(const char *path) { struct yaffs_stat s; yaffs_StartUp(); yaffs_mount(path); yaffs_stat(path,&s); printf("root perms after mount %x\n",s.st_mode); yaffs_chmod(path, 0777); yaffs_stat(path,&s); printf("root perms after setting to 0777 is %x\n",s.st_mode); yaffs_unmount(path); return 0; } int resize_stress_test_no_grow_complex(const char *path,int iters) { int a,b,i,j; int x; int r; char aname[100]; char bname[100]; char abuffer[1000]; char bbuffer[1000]; yaffs_StartUp(); yaffs_mount(path); sprintf(aname,"%s%s",path,"/a"); sprintf(bname,"%s%s",path,"/b"); memset(abuffer,'a',1000); memset(bbuffer,'b',1000); a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); printf(" %s %d %s %d\n",aname,a,bname,b); x = 0; for(j = 0; j < iters; j++) { yaffs_lseek(a,0,SEEK_END); for(i = 0; i <20000; i++) { //r = yaffs_lseek(b,i,SEEK_SET); //r = yaffs_write(b,bbuffer,1000); if(!(x%20)) { // shrink int syz = yaffs_lseek(a,0,SEEK_END); while(syz > 4000) { syz -= 2050; if(syz < 0) syz = 0; yaffs_ftruncate(a,syz); syz = yaffs_lseek(a,0,SEEK_END); printf("shrink to %d\n",syz); } } else { //expand r = yaffs_lseek(a,500,SEEK_END); r = yaffs_write(a,abuffer,1000); } x++; } printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END)); } return 0; } int resize_stress_test_no_grow(const char *path,int iters) { int a,b,i,j; int x; int r; char aname[100]; char bname[100]; char abuffer[1000]; char bbuffer[1000]; yaffs_StartUp(); yaffs_mount(path); sprintf(aname,"%s%s",path,"/a"); sprintf(bname,"%s%s",path,"/b"); memset(abuffer,'a',1000); memset(bbuffer,'b',1000); a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); printf(" %s %d %s %d\n",aname,a,bname,b); x = 0; for(j = 0; j < iters; j++) { yaffs_lseek(a,0,SEEK_END); for(i = 0; i <20000; i++) { //r = yaffs_lseek(b,i,SEEK_SET); //r = yaffs_write(b,bbuffer,1000); if(!(x%20)) { // shrink int syz = yaffs_lseek(a,0,SEEK_END); while(syz > 4000) { syz -= 2050; if(syz < 0) syz = 0; yaffs_ftruncate(a,syz); syz = yaffs_lseek(a,0,SEEK_END); printf("shrink to %d\n",syz); } } else { //expand r = yaffs_lseek(a,-500,SEEK_END); r = yaffs_write(a,abuffer,1000); } x++; } printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END)); } return 0; } int directory_rename_test(void) { int r; yaffs_StartUp(); yaffs_mount("/ram"); yaffs_mkdir("/ram/a",0); yaffs_mkdir("/ram/a/b",0); yaffs_mkdir("/ram/c",0); printf("\nDirectory look-up of /ram\n"); dumpDir("/ram"); dumpDir("/ram/a"); dumpDir("/ram/a/b"); printf("Do rename (should fail)\n"); r = yaffs_rename("/ram/a","/ram/a/b/d"); printf("\nDirectory look-up of /ram\n"); dumpDir("/ram"); dumpDir("/ram/a"); dumpDir("/ram/a/b"); printf("Do rename (should not fail)\n"); r = yaffs_rename("/ram/c","/ram/a/b/d"); printf("\nDirectory look-up of /ram\n"); dumpDir("/ram"); dumpDir("/ram/a"); dumpDir("/ram/a/b"); return 1; } int cache_read_test(void) { int a,b,c; int i; int sizeOfFiles = 500000; char buffer[100]; yaffs_StartUp(); yaffs_mount("/boot"); make_a_file("/boot/a",'a',sizeOfFiles); make_a_file("/boot/b",'b',sizeOfFiles); a = yaffs_open("/boot/a",O_RDONLY,0); b = yaffs_open("/boot/b",O_RDONLY,0); c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); do{ i = sizeOfFiles; if (i > 100) i = 100; sizeOfFiles -= i; yaffs_read(a,buffer,i); yaffs_read(b,buffer,i); yaffs_write(c,buffer,i); } while(sizeOfFiles > 0); return 1; } int cache_bypass_bug_test(void) { // This test reporoduces a bug whereby YAFFS caching *was* buypassed // resulting in erroneous reads after writes. // This bug has been fixed. int a; char buffer1[1000]; char buffer2[1000]; memset(buffer1,0,sizeof(buffer1)); memset(buffer2,0,sizeof(buffer2)); yaffs_StartUp(); yaffs_mount("/boot"); // Create a file of 2000 bytes. make_a_file("/boot/a",'X',2000); a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE); // Write a short sequence to the file. // This will go into the cache. yaffs_lseek(a,0,SEEK_SET); yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20); // Read a short sequence from the file. // This will come from the cache. yaffs_lseek(a,0,SEEK_SET); yaffs_read(a,buffer1,30); // Read a page size sequence from the file. yaffs_lseek(a,0,SEEK_SET); yaffs_read(a,buffer2,512); printf("buffer 1 %s\n",buffer1); printf("buffer 2 %s\n",buffer2); if(strncmp(buffer1,buffer2,20)) { printf("Cache bypass bug detected!!!!!\n"); } return 1; } int free_space_check(void) { int f; yaffs_StartUp(); yaffs_mount("/boot"); fill_disk("/boot/",2); f = yaffs_freespace("/boot"); printf("%d free when disk full\n",f); return 1; } int truncate_test(void) { int a; int r; int i; int l; char y[10]; yaffs_StartUp(); yaffs_mount("/boot"); yaffs_unlink("/boot/trunctest"); a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26); yaffs_ftruncate(a,3); l= yaffs_lseek(a,0,SEEK_END); printf("truncated length is %d\n",l); yaffs_lseek(a,5,SEEK_SET); yaffs_write(a,"1",1); yaffs_lseek(a,0,SEEK_SET); r = yaffs_read(a,y,10); printf("read %d bytes:",r); for(i = 0; i < r; i++) printf("[%02X]",y[i]); printf("\n"); return 0; } void fill_disk_test(const char *mountpt) { int i; yaffs_StartUp(); for(i = 0; i < 5; i++) { yaffs_mount(mountpt); fill_disk_and_delete(mountpt,100,i+1); yaffs_unmount(mountpt); } } void lookup_test(const char *mountpt) { int i; int h; char a[100]; yaffs_DIR *d; yaffs_dirent *de; yaffs_StartUp(); yaffs_mount(mountpt); d = yaffs_opendir(mountpt); if(!d) { printf("opendir failed\n"); } else { for(i = 0; (de = yaffs_readdir(d)) != NULL; i++) { printf("unlinking %s\n",de->d_name); yaffs_unlink(de->d_name); } printf("%d files deleted\n",i); } for(i = 0; i < 2000; i++){ sprintf(a,"%s/%d",mountpt,i); h = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0); yaffs_close(h); } yaffs_rewinddir(d); for(i = 0; (de = yaffs_readdir(d)) != NULL; i++) { printf("%d %s\n",i,de->d_name); } printf("%d files listed\n\n\n",i); yaffs_rewinddir(d); yaffs_readdir(d); yaffs_readdir(d); yaffs_readdir(d); for(i = 0; i < 2000; i++){ sprintf(a,"%s/%d",mountpt,i); yaffs_unlink(a); } yaffs_unmount(mountpt); } void link_test(const char *mountpt) { int i; int h; char a[100]; char b[100]; char c[100]; sprintf(a,"%s/aaa",mountpt); sprintf(b,"%s/bbb",mountpt); sprintf(c,"%s/ccc",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); for(i = 0; i < 100; i++) yaffs_write(h,a,100); yaffs_close(h); yaffs_unlink(b); yaffs_unlink(c); yaffs_link(a,b); yaffs_link(a,c); yaffs_unlink(b); yaffs_unlink(c); yaffs_unlink(a); yaffs_unmount(mountpt); yaffs_mount(mountpt); printf("link test done\n"); } void freespace_test(const char *mountpt) { int i; int h; char a[100]; int f0; int f1; int f2; int f3; sprintf(a,"%s/aaa",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); f0 = yaffs_freespace(mountpt); h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); for(i = 0; i < 100; i++) yaffs_write(h,a,100); yaffs_close(h); f1 = yaffs_freespace(mountpt); yaffs_unlink(a); f2 = yaffs_freespace(mountpt); yaffs_unmount(mountpt); yaffs_mount(mountpt); f3 = yaffs_freespace(mountpt); printf("%d\n%d\n%d\n%d\n",f0, f1,f2,f3); } void simple_rw_test(const char *mountpt) { int i; int h; char a[100]; int x; int result; sprintf(a,"%s/aaa",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); yaffs_unlink(a); h = yaffs_open(a,O_CREAT| O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); for(i = 100000;i < 200000; i++){ result = yaffs_write(h,&i,sizeof(i)); if(result != 4) { printf("write error\n"); exit(1); } } //yaffs_close(h); // h = yaffs_open(a,O_RDWR, S_IREAD | S_IWRITE); yaffs_lseek(h,0,SEEK_SET); for(i = 100000; i < 200000; i++){ result = yaffs_read(h,&x,sizeof(x)); if(result != 4 || x != i){ printf("read error %d %x %x\n",i,result,x); } } printf("Simple rw test passed\n"); } void scan_deleted_files_test(const char *mountpt) { char fn[100]; char sub[100]; const char *p; int i; int j; int k; int h; sprintf(sub,"%s/sdir",mountpt); yaffs_StartUp(); for(j = 0; j < 10; j++) { printf("\n\n>>>>>>> Run %d <<<<<<<<<<<<<\n\n",j); yaffs_mount(mountpt); yaffs_mkdir(sub,0); p = (j & 0) ? mountpt: sub; for(i = 0; i < 100; i++) { sprintf(fn,"%s/%d",p,i); if(i & 1) { h = yaffs_open(fn,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); for(k = 0; k < 1000; k++) yaffs_write(h,fn,100); yaffs_close(h); } else yaffs_mkdir(fn,0); } for(i = 0; i < 10; i++) { sprintf(fn,"%s/%d",p,i); if(i & 1) yaffs_unlink(fn); else yaffs_rmdir(fn); } yaffs_unmount(mountpt); } } void write_10k(int h) { int i; const char *s="0123456789"; for(i = 0; i < 1000; i++) yaffs_write(h,s,10); } void write_200k_file(const char *fn, const char *fdel, const char *fdel1) { int h1; int i; int offs; h1 = yaffs_open(fn, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); for(i = 0; i < 100000; i+= 10000) { write_10k(h1); } offs = yaffs_lseek(h1,0,SEEK_CUR); if( offs != 100000) { printf("Could not write file\n"); } yaffs_unlink(fdel); for(i = 0; i < 100000; i+= 10000) { write_10k(h1); } offs = yaffs_lseek(h1,0,SEEK_CUR); if( offs != 200000) { printf("Could not write file\n"); } yaffs_close(h1); yaffs_unlink(fdel1); } void verify_200k_file(const char *fn) { int h1; int i; char x[11]; const char *s="0123456789"; int errCount = 0; h1 = yaffs_open(fn, O_RDONLY, 0); for(i = 0; i < 200000 && errCount < 10; i+= 10) { yaffs_read(h1,x,10); if(strncmp(x,s,10) != 0) { printf("File %s verification failed at %d\n",fn,i); errCount++; } } if(errCount >= 10) printf("Too many errors... aborted\n"); yaffs_close(h1); } void check_resize_gc_bug(const char *mountpt) { char a[30]; char b[30]; char c[30]; int i; sprintf(a,"%s/a",mountpt); sprintf(b,"%s/b",mountpt); sprintf(c,"%s/c",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); yaffs_unlink(a); yaffs_unlink(b); for(i = 0; i < 50; i++) { printf("A\n");write_200k_file(a,"",c); printf("B\n");verify_200k_file(a); printf("C\n");write_200k_file(b,a,c); printf("D\n");verify_200k_file(b); yaffs_unmount(mountpt); yaffs_mount(mountpt); printf("E\n");verify_200k_file(a); printf("F\n");verify_200k_file(b); } } void multi_mount_test(const char *mountpt,int nmounts) { char a[30]; int i; int j; sprintf(a,"%s/a",mountpt); yaffs_StartUp(); for(i = 0; i < nmounts; i++){ int h0; int h1; int len0; int len1; static char xx[1000]; printf("############### Iteration %d Start\n",i); if(1 || i == 0 || i == 5) yaffs_mount(mountpt); dump_directory_tree(mountpt); yaffs_mkdir(a,0); sprintf(xx,"%s/0",a); h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); sprintf(xx,"%s/1",a); h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); #if 0 for(j = 0; j < 200; j++){ yaffs_write(h0,xx,1000); yaffs_write(h1,xx,1000); } #else while(yaffs_write(h0,xx,1000) > 0){ yaffs_write(h1,xx,1000); } #endif len0 = yaffs_lseek(h0,0,SEEK_END); len1 = yaffs_lseek(h1,0,SEEK_END); yaffs_lseek(h0,0,SEEK_SET); yaffs_lseek(h1,0,SEEK_SET); for(j = 0; j < 200; j++){ yaffs_read(h0,xx,1000); yaffs_read(h1,xx,1000); } // yaffs_truncate(h0,0); yaffs_close(h0); yaffs_close(h1); printf("########### %d\n",i); dump_directory_tree(mountpt); if(1 || i == 4 || i == nmounts -1) yaffs_unmount(mountpt); } } void small_mount_test(const char *mountpt,int nmounts) { char a[30]; int i; int j; int h0; int h1; int len0; int len1; int nread; sprintf(a,"%s/a",mountpt); yaffs_StartUp(); for(i = 0; i < nmounts; i++){ static char xx[1000]; printf("############### Iteration %d Start\n",i); if(1 || i == 0 || i == 5) yaffs_mount(mountpt); dump_directory_tree(mountpt); yaffs_mkdir(a,0); sprintf(xx,"%s/0",a); if(i ==0){ h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); for(j = 0; j < 130; j++) yaffs_write(h0,xx,1000); yaffs_close(h0); } h0 = yaffs_open(xx,O_RDONLY,0); sprintf(xx,"%s/1",a); h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); while((nread = yaffs_read(h0,xx,1000)) > 0) yaffs_write(h1,xx,nread); len0 = yaffs_lseek(h0,0,SEEK_END); len1 = yaffs_lseek(h1,0,SEEK_END); yaffs_lseek(h0,0,SEEK_SET); yaffs_lseek(h1,0,SEEK_SET); for(j = 0; j < 200; j++){ yaffs_read(h0,xx,1000); yaffs_read(h1,xx,1000); } yaffs_close(h0); yaffs_close(h1); printf("########### %d\n",i); dump_directory_tree(mountpt); if(1 || i == 4 || i == nmounts -1) yaffs_unmount(mountpt); } } int early_exit; void small_overwrite_test(const char *mountpt,int nmounts) { char a[30]; int i; int j; int h0; int h1; sprintf(a,"%s/a",mountpt); yaffs_StartUp(); for(i = 0; i < nmounts; i++){ static char xx[8000]; printf("############### Iteration %d Start\n",i); if(1) yaffs_mount(mountpt); dump_directory_tree(mountpt); yaffs_mkdir(a,0); sprintf(xx,"%s/0",a); h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); sprintf(xx,"%s/1",a); h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); for(j = 0; j < 1000000; j+=1000){ yaffs_ftruncate(h0,j); yaffs_lseek(h0,j,SEEK_SET); yaffs_write(h0,xx,7000); yaffs_write(h1,xx,7000); if(early_exit) exit(0); } yaffs_close(h0); printf("########### %d\n",i); dump_directory_tree(mountpt); if(1) yaffs_unmount(mountpt); } } void seek_overwrite_test(const char *mountpt,int nmounts) { char a[30]; int i; int j; int h0; sprintf(a,"%s/f",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); for(i = 0; i < nmounts; i++){ h0 = yaffs_open(a, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); for(j = 0; j < 100000; j++){ yaffs_lseek(h0,0,SEEK_SET); yaffs_write(h0,xx,5000); yaffs_lseek(h0,0x100000,SEEK_SET); yaffs_write(h0,xx,5000); if(early_exit) exit(0); } yaffs_close(h0); } } void yaffs_touch(const char *fn) { yaffs_chmod(fn, S_IREAD | S_IWRITE); } void checkpoint_fill_test(const char *mountpt,int nmounts) { char a[50]; char b[50]; char c[50]; int i; int j; int h; sprintf(a,"%s/a",mountpt); yaffs_StartUp(); for(i = 0; i < nmounts; i++){ printf("############### Iteration %d Start\n",i); yaffs_mount(mountpt); dump_directory_tree(mountpt); yaffs_mkdir(a,0); sprintf(b,"%s/zz",a); h = yaffs_open(b,O_CREAT | O_RDWR,S_IREAD |S_IWRITE); while(yaffs_write(h,c,50) == 50){} yaffs_close(h); for(j = 0; j < 2; j++){ printf("touch %d\n",j); yaffs_touch(b); yaffs_unmount(mountpt); yaffs_mount(mountpt); } dump_directory_tree(mountpt); yaffs_unmount(mountpt); } } int make_file2(const char *name1, const char *name2,int syz) { char xx[2500]; int i; int h1=-1,h2=-1; int n = 1; if(name1) h1 = yaffs_open(name1,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); if(name2) h2 = yaffs_open(name2,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE); while(syz > 0 && n > 0){ i = (syz > 2500) ? 2500 : syz; n = yaffs_write(h1,xx,i); n = yaffs_write(h2,xx,i); syz -= 500; } yaffs_close(h1); yaffs_close(h2); return 0; } extern void SetCheckpointReservedBlocks(int n); void checkpoint_upgrade_test(const char *mountpt,int nmounts) { char a[50]; char b[50]; char c[50]; char d[50]; int j; sprintf(a,"%s/a",mountpt); printf("Create start condition\n"); yaffs_StartUp(); SetCheckpointReservedBlocks(0); yaffs_mount(mountpt); yaffs_mkdir(a,0); sprintf(b,"%s/zz",a); sprintf(c,"%s/xx",a); make_file2(b,c,2000000); sprintf(d,"%s/aa",a); make_file2(d,NULL,500000000); dump_directory_tree(mountpt); printf("Umount/mount attempt full\n"); yaffs_unmount(mountpt); SetCheckpointReservedBlocks(10); yaffs_mount(mountpt); printf("unlink small file\n"); yaffs_unlink(c); dump_directory_tree(mountpt); printf("Umount/mount attempt\n"); yaffs_unmount(mountpt); yaffs_mount(mountpt); for(j = 0; j < 500; j++){ printf("***** touch %d\n",j); dump_directory_tree(mountpt); yaffs_touch(b); yaffs_unmount(mountpt); yaffs_mount(mountpt); } for(j = 0; j < 500; j++){ printf("***** touch %d\n",j); dump_directory_tree(mountpt); yaffs_touch(b); yaffs_unmount(mountpt); yaffs_mount(mountpt); } } void huge_array_test(const char *mountpt,int n) { char a[50]; int i; int space; int fnum; sprintf(a,"mount point %s",mountpt); yaffs_StartUp(); yaffs_mount(mountpt); while(n>0){ n--; fnum = 0; printf("\n\n START run\n\n"); while((space = yaffs_freespace(mountpt)) > 25000000){ sprintf(a,"%s/file%d",mountpt,fnum); fnum++; printf("create file %s, free space %d\n",a,space); create_file_of_size(a,10000000); printf("verifying file %s\n",a); verify_file_of_size(a,10000000); } printf("\n\n verification/deletion\n\n"); for(i = 0; i < fnum; i++){ sprintf(a,"%s/file%d",mountpt,i); printf("verifying file %s\n",a); verify_file_of_size(a,10000000); printf("deleting file %s\n",a); yaffs_unlink(a); } printf("\n\n done \n\n"); } } void random_write(int h) { static char buffer[12000]; int n; n = random() & 0x1FFF; yaffs_write(h,buffer,n); } void random_seek(int h) { int n; n = random() & 0xFFFFF; yaffs_lseek(h,n,SEEK_SET); } void random_truncate(int h, char * name) { int n; int flen; n = random() & 0xFFFFF; flen = yaffs_lseek(h,0,SEEK_END); if(n > flen) n = flen / 2; yaffs_ftruncate(h,n); yaffs_lseek(h,n,SEEK_SET); } #define NSMALLFILES 10 void random_small_file_test(const char *mountpt,int iterations) { char a[NSMALLFILES][50]; int i; int n; int h[NSMALLFILES]; int r; yaffs_StartUp(); yaffs_mount(mountpt); for(i = 0; i < NSMALLFILES; i++){ h[i]=-1; strcpy(a[i],""); } for(n = 0; n < iterations; n++){ for(i = 0; i < NSMALLFILES; i++) { r = random(); if(strlen(a[i]) == 0){ sprintf(a[i],"%s/%dx%d",mountpt,n,i); h[i] = yaffs_open(a[i],O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE); } if(h[i] < -1) printf("Could not open yaffs file %d %d error %d\n",n,i,h[i]); else { r = r & 7; switch(r){ case 0: case 1: case 2: random_write(h[i]); break; case 3: random_truncate(h[i],a[i]); break; case 4: case 5: random_seek(h[i]); break; case 6: yaffs_close(h[i]); h[i] = -1; break; case 7: yaffs_close(h[i]); yaffs_unlink(a[i]); strcpy(a[i],""); h[i] = -1; } } } } for(i = 0; i < NSMALLFILES; i++) yaffs_close(h[i]); yaffs_unmount(mountpt); } void rmdir_test(const char *mountpt) { char name[100]; yaffs_StartUp(); yaffs_mount(mountpt); strcpy(name,mountpt); strcat(name,"/"); strcat(name,"hello"); yaffs_mkdir(name,0666); yaffs_rmdir(name); yaffs_unmount(mountpt); } int random_seed; int simulate_power_failure; int main(int argc, char *argv[]) { random_seed = time(NULL); //return long_test(argc,argv); //return cache_read_test(); // resize_stress_test_no_grow("/flash/flash",20); //root_perm_remount("/flash/flash"); //huge_directory_test_on_path("/ram2k"); //yaffs_backward_scan_test("/flash/flash"); // yaffs_device_flush_test("/flash/flash"); //rename_over_test("//////////////////flash///////////////////yaffs1///////////"); rmdir_test("M18-1"); //scan_pattern_test("/flash",10000,10); //short_scan_test("/flash/flash",40000,200); //small_mount_test("/flash/flash",1000); //small_overwrite_test("/flash/flash",1000); //seek_overwrite_test("/flash/flash",1000); //checkpoint_fill_test("/flash/flash",20); //checkpoint_upgrade_test("/flash/flash",20); //small_overwrite_test("/flash/flash",1000); //checkpoint_fill_test("/flash/flash",20); // random_small_file_test("/flash/flash",10000); // huge_array_test("/flash/flash",10); //long_test_on_path("/ram2k"); // long_test_on_path("/flash"); //simple_rw_test("/flash/flash"); //fill_disk_test("/flash/flash"); // rename_over_test("/flash"); //lookup_test("/flash"); //freespace_test("/flash/flash"); //link_test("/flash/flash"); // cache_bypass_bug_test(); //free_space_check(); //check_resize_gc_bug("/flash"); return 0; }