Clean up yaffs_FindNiceObject to be thread safe and simpler. Fix code that does a...
[yaffs2.git] / direct / dtest.c
index e425809..24f5ad2 100644 (file)
@@ -1,7 +1,7 @@
 /*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
  *
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -9,11 +9,10 @@
  * 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.
+ *
  */
 
-/*
-* Test code for the "direct" interface. 
-*/
+
 
 
 #include <stdio.h>
@@ -23,6 +22,7 @@
 
 #include "yaffsfs.h"
 
+
 void dumpDir(const char *dname);
 
 char xx[600];
@@ -125,9 +125,7 @@ int check_pattern_file(char *fn)
 int dump_file_data(char *fn)
 {
        int h;
-       int marker;
        int i = 0;
-       int size;
        int ok = 1;
        unsigned char b;
        
@@ -178,6 +176,7 @@ void create_file_of_size(const char *fn,int syze)
 {
        int h;
        int n;
+       int result;
        
        char xx[200];
        
@@ -188,7 +187,10 @@ void create_file_of_size(const char *fn,int syze)
        while (iterations > 0)
        {
                sprintf(xx,"%s %8d",fn,iterations);
-               yaffs_write(h,xx,strlen(xx));
+               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);
@@ -197,7 +199,7 @@ void create_file_of_size(const char *fn,int syze)
 void verify_file_of_size(const char *fn,int syze)
 {
        int h;
-       int n;
+       int result;
        
        char xx[200];
        char yy[200];
@@ -212,11 +214,11 @@ void verify_file_of_size(const char *fn,int syze)
                sprintf(xx,"%s %8d",fn,iterations);
                l = strlen(xx);
                
-               yaffs_read(h,yy,l);
+               result = yaffs_read(h,yy,l);
                yy[l] = 0;
                
                if(strcmp(xx,yy)){
-                       printf("=====>>>>> verification of file %s failed near position %d\n",fn,yaffs_lseek(h,0,SEEK_CUR));
+                       printf("=====>>>>> verification of file %s failed near position %lld\n",fn,(long long)yaffs_lseek(h,0,SEEK_CUR));
                }
                iterations--;
        }
@@ -226,8 +228,6 @@ void verify_file_of_size(const char *fn,int syze)
 void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
 {
        int h;
-       int n;
-       
        
        int iterations;
        
@@ -240,7 +240,7 @@ void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
                iterations--;
        }
        
-       yaffs_truncate(h,reSyze);
+       yaffs_ftruncate(h,reSyze);
        
        yaffs_lseek(h,0,SEEK_SET);
        iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
@@ -375,7 +375,7 @@ void scan_pattern_test(const char *path, int fsize, int niterations)
        }
 }
 
-void fill_disk(char *path,int nfiles)
+void fill_disk(const char *path,int nfiles)
 {
        int h;
        int n;
@@ -401,7 +401,7 @@ void fill_disk(char *path,int nfiles)
        }
 }
 
-void fill_disk_and_delete(char *path, int nfiles, int ncycles)
+void fill_disk_and_delete(const char *path, int nfiles, int ncycles)
 {
        int i,j;
        char str[50];
@@ -422,7 +422,7 @@ void fill_disk_and_delete(char *path, int nfiles, int ncycles)
 }
 
 
-void fill_files(char *path,int flags, int maxIterations,int siz)
+void fill_files(const char *path,int flags, int maxIterations,int siz)
 {
        int i;
        int j;
@@ -434,7 +434,6 @@ void fill_files(char *path,int flags, int maxIterations,int siz)
        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)
                {
@@ -514,7 +513,7 @@ void dumpDirFollow(const char *dname)
                        
                        yaffs_stat(str,&s);
                        
-                       printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+                       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;
@@ -883,18 +882,12 @@ int huge_directory_test_on_path(char *path)
 
        int f;
        int i;
-       int r;
+
        int total = 0;
        int lastTotal = 0;
-       char buffer[20];
        
        char str[100];
-       char name[100];
-       char name2[100];
-       
-       int h;
-       mode_t temp_mode;
-       struct yaffs_stat ystat;
+
        
        yaffs_StartUp();
        
@@ -939,6 +932,7 @@ int huge_directory_test_on_path(char *path)
 
 int yaffs_scan_test(const char *path)
 {
+       return 0;
 }
 
 
@@ -947,16 +941,27 @@ 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);
-       i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0); 
+       
+       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, 0);
+       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)
@@ -967,6 +972,7 @@ void rename_over_test(const char *mountpt)
        
 }
 
+
 int resize_stress_test(const char *path)
 {
    int a,b,i,j;
@@ -1012,7 +1018,7 @@ int resize_stress_test(const char *path)
                                
                                syz -= 500;
                                if(syz < 0) syz = 0;
-                               yaffs_truncate(a,syz);
+                               yaffs_ftruncate(a,syz);
                                
                        }
                        else
@@ -1030,6 +1036,28 @@ int resize_stress_test(const char *path)
    
 }
 
+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)
 {
@@ -1041,6 +1069,7 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
    
    char abuffer[1000];
    char bbuffer[1000];
+
    
    yaffs_StartUp();
    
@@ -1079,7 +1108,7 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
                                
                                        syz -= 2050;
                                        if(syz < 0) syz = 0;
-                                       yaffs_truncate(a,syz);
+                                       yaffs_ftruncate(a,syz);
                                        syz = yaffs_lseek(a,0,SEEK_END);
                                        printf("shrink to %d\n",syz);
                                }
@@ -1096,7 +1125,8 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
                        
                                        
                }
-               printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+               
+               printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
 
    }
    
@@ -1152,7 +1182,7 @@ int resize_stress_test_no_grow(const char *path,int iters)
                                
                                        syz -= 2050;
                                        if(syz < 0) syz = 0;
-                                       yaffs_truncate(a,syz);
+                                       yaffs_ftruncate(a,syz);
                                        syz = yaffs_lseek(a,0,SEEK_END);
                                        printf("shrink to %d\n",syz);
                                }
@@ -1169,7 +1199,7 @@ int resize_stress_test_no_grow(const char *path,int iters)
                        
                                        
                }
-               printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+               printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
 
    }
    
@@ -1253,7 +1283,6 @@ int cache_bypass_bug_test(void)
        // This bug has been fixed.
        
        int a;
-       int i;
        char buffer1[1000];
        char buffer2[1000];
        
@@ -1327,7 +1356,7 @@ int truncate_test(void)
        
        yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
        
-       yaffs_truncate(a,3);
+       yaffs_ftruncate(a,3);
        l= yaffs_lseek(a,0,SEEK_END);
        
        printf("truncated length is %d\n",l);
@@ -1368,19 +1397,106 @@ void fill_disk_test(const char *mountpt)
 }
 
 
+void fill_files_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               fill_files(mountpt,2,3,100);
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
+void fill_empty_files_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       char name[100];
+       int result = 0;
+       
+       int d,f;
+
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               for(d = 0; result >= 0 && d < 1000; d++){
+                       sprintf(name,"%s/%d",mountpt,d);
+                       result= yaffs_mkdir(name,0);
+                       printf("creating directory %s result %d\n",name,result);
+                       
+                       for(f = 0; result >= 0 && f < 100; f++){
+                               sprintf(name,"%s/%d/%d",mountpt,d,f);
+                               result= yaffs_open(name,O_CREAT, 0);
+                               yaffs_close(result);
+                               printf("creating file %s result %d\n",name,result);
+                       }
+               }
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
+void long_name_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       char fullName[1000];
+       char name[300];
+       int result = 0;
+       
+       int d,f;
+       
+       // Make a 256 byte name
+       memset(name,0,sizeof(name));
+       for(i = 0; i < 256; i++)
+               name[i] = '0' + i % 10;
+               
+       sprintf(fullName,"%s/%s",mountpt,name);
+
+       for(i = 0; i < 1; i++)
+       {
+               yaffs_mount(mountpt);
+               
+               printf("Files at start\n");
+               dumpDir(mountpt);
+               
+               printf("Creating file %s\n",fullName);
+               
+               f = yaffs_open(fullName,O_CREAT | O_RDWR,0);
+               yaffs_close(f);
+               
+               printf("Result %d\n",f);
+                       
+               printf("Files\n");
+               dumpDir(mountpt);
+               
+               printf("Deleting %s\n",fullName);
+               result = yaffs_unlink(fullName);
+               printf("Result %d\n",result);
+               
+               printf("Files\n");
+               
+               dumpDir(mountpt);
+               
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
 
 void lookup_test(const char *mountpt)
 {
        int i;
        int h;
        char a[100];
-       char b[100];
        
 
        yaffs_DIR *d;
        yaffs_dirent *de;
-       struct yaffs_stat s;
-       char str[100];
 
        yaffs_StartUp();
        
@@ -1434,18 +1550,59 @@ void lookup_test(const char *mountpt)
        
 }
 
-void link_test(const char *mountpt)
+void link_test0(const char *mountpt)
+{
+       int i;
+       char namea[300];
+       char nameb[300];
+       int result = 0;
+       
+
+       yaffs_StartUp();
+       yaffs_mount(mountpt);
+       
+               
+       sprintf(namea,"%s/a",mountpt);
+       sprintf(nameb,"%s/b",mountpt);
+
+       printf("mounted\n");
+        dumpDir(mountpt);
+
+       yaffs_unlink(namea);
+       printf("a unlinked\n");
+        dumpDir(mountpt);
+
+       yaffs_unlink(nameb);
+       printf("b unlinked\n");
+        dumpDir(mountpt);
+       
+       result = yaffs_open(namea,O_CREAT| O_RDWR,0666);
+        yaffs_close(result);
+       printf("a created\n");
+        dumpDir(mountpt);
+
+        yaffs_link(namea,nameb);
+        printf("linked\n");
+        dumpDir(mountpt);
+        yaffs_unlink(namea);
+        printf("a ulinked\n");
+        dumpDir(mountpt);
+        yaffs_unlink(nameb);
+        printf("b unlinked\n");
+        dumpDir(mountpt);
+
+       yaffs_unmount(mountpt);
+}
+
+
+void link_test1(const char *mountpt)
 {
        int i;
        int h;
        char a[100];
        char b[100];
        char c[100];
-       
-       int  f0;
-       int f1;
-       int f2;
-       int f3;
+
        sprintf(a,"%s/aaa",mountpt);
        sprintf(b,"%s/bbb",mountpt);
        sprintf(c,"%s/ccc",mountpt);
@@ -1474,7 +1631,37 @@ void link_test(const char *mountpt)
        yaffs_mount(mountpt);
        
        printf("link test done\n");     
+}
+
+void handle_test(const char *mountpt)
+{
+       int i;
+       int h;
+       int cycle;
+       char a[100];
+
+       sprintf(a,"%s/aaa",mountpt);
+       
+       yaffs_StartUp();
        
+       yaffs_mount(mountpt);
+
+        for(cycle = 0; cycle < 5; cycle++){
+        printf("Start cycle %d\n",cycle);
+       i = 0;
+       do {
+        h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       printf("%d  handle %d\n",i,h);
+       i++;
+       } while(h >= 0);
+       
+       while(i >= -1) {
+        yaffs_close(i);
+        i--;
+        }
+        }
+       
+       yaffs_unmount(mountpt);
 }
 
 void freespace_test(const char *mountpt)
@@ -1482,7 +1669,6 @@ void freespace_test(const char *mountpt)
        int i;
        int h;
        char a[100];
-       char b[100];
        
        int  f0;
        int f1;
@@ -1741,8 +1927,6 @@ void multi_mount_test(const char *mountpt,int nmounts)
 {
 
        char a[30];
-       char b[30];
-       char c[30];
        
        int i;
        int j;
@@ -1773,12 +1957,18 @@ void multi_mount_test(const char *mountpt,int nmounts)
                
                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);
                
@@ -1791,7 +1981,7 @@ void multi_mount_test(const char *mountpt,int nmounts)
                }
                
                
-               yaffs_truncate(h0,0);
+       //      yaffs_truncate(h0,0);
                yaffs_close(h0);
                yaffs_close(h1);
                
@@ -1808,8 +1998,6 @@ void small_mount_test(const char *mountpt,int nmounts)
 {
 
        char a[30];
-       char b[30];
-       char c[30];
        
        int i;
        int j;
@@ -1885,17 +2073,12 @@ void small_overwrite_test(const char *mountpt,int nmounts)
 {
 
        char a[30];
-       char b[30];
-       char c[30];
-       
        int i;
        int j;
 
        int h0;
        int h1;
-       int len0;
-       int len1;
-       int nread;
+
        
        sprintf(a,"%s/a",mountpt);
 
@@ -1921,7 +2104,7 @@ void small_overwrite_test(const char *mountpt,int nmounts)
                h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
                
                for(j = 0; j < 1000000; j+=1000){
-                       yaffs_truncate(h0,j);
+                       yaffs_ftruncate(h0,j);
                        yaffs_lseek(h0,j,SEEK_SET);
                        yaffs_write(h0,xx,7000);
                        yaffs_write(h1,xx,7000);
@@ -1941,6 +2124,44 @@ void small_overwrite_test(const char *mountpt,int nmounts)
 }
 
 
+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);
@@ -2014,7 +2235,7 @@ int make_file2(const char *name1, const char *name2,int syz)
        }
        yaffs_close(h1);
        yaffs_close(h2);
-       
+       return 0;
 }
 
 
@@ -2027,10 +2248,8 @@ void checkpoint_upgrade_test(const char *mountpt,int nmounts)
        char b[50];
        char c[50];
        char d[50];
-       
-       int i;
+
        int j;
-       int h;
        
        sprintf(a,"%s/a",mountpt);
        
@@ -2039,7 +2258,6 @@ void checkpoint_upgrade_test(const char *mountpt,int nmounts)
        
        printf("Create start condition\n");
        yaffs_StartUp();
-       SetCheckpointReservedBlocks(0);
        yaffs_mount(mountpt);
        yaffs_mkdir(a,0);
        sprintf(b,"%s/zz",a);
@@ -2052,7 +2270,6 @@ void checkpoint_upgrade_test(const char *mountpt,int nmounts)
        printf("Umount/mount attempt full\n");
        yaffs_unmount(mountpt);
        
-       SetCheckpointReservedBlocks(10);
        yaffs_mount(mountpt);
        
        printf("unlink small file\n");
@@ -2087,8 +2304,7 @@ void huge_array_test(const char *mountpt,int n)
 
        
        int i;
-       int j;
-       int h;
+       int space;
        
        int fnum;
        
@@ -2104,10 +2320,10 @@ void huge_array_test(const char *mountpt,int n)
                n--;
                fnum = 0;
                printf("\n\n START run\n\n");
-               while(yaffs_freespace(mountpt) > 25000000){
+               while((space = yaffs_freespace(mountpt)) > 25000000){
                        sprintf(a,"%s/file%d",mountpt,fnum);
                        fnum++;
-                       printf("create file %s\n",a);
+                       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);
@@ -2153,7 +2369,7 @@ void random_truncate(int h, char * name)
        flen = yaffs_lseek(h,0,SEEK_END);
        if(n > flen)
                n = flen / 2;
-       yaffs_truncate(name,n);
+       yaffs_ftruncate(h,n);
        yaffs_lseek(h,n,SEEK_SET);
 }
 
@@ -2167,10 +2383,8 @@ void random_small_file_test(const char *mountpt,int iterations)
        
        int i;
        int n;
-       int j;
        int h[NSMALLFILES];
        int r;
-       int fnum;
        
        
        yaffs_StartUp();
@@ -2189,7 +2403,7 @@ void random_small_file_test(const char *mountpt,int iterations)
                        
                        if(strlen(a[i]) == 0){
                                sprintf(a[i],"%s/%dx%d",mountpt,n,i);
-                               h[i] = yaffs_open(a,O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+                               h[i] = yaffs_open(a[i],O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
                        }
                        
                        if(h[i] < -1)
@@ -2228,33 +2442,61 @@ void random_small_file_test(const char *mountpt,int iterations)
                
        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",20);
+       // 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///////////");
+       
+       fill_empty_files_test("/yaffs2/");
+       //long_name_test("/yaffs2");
+       //link_test0("/yaffs2");
+       //link_test1("yaffs2");
         //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);
+       // random_small_file_test("/flash/flash",10000);
         // huge_array_test("/flash/flash",10);
 
 
-
+       handle_test("yaffs2/");
        
        //long_test_on_path("/ram2k");
        // long_test_on_path("/flash");