Fix problem with checkpoint free space handling
[yaffs2.git] / direct / dtest.c
index 8edd85f68883a0e163dfcd38436f5f95db98be13..714cd0f9f4e012ddba066e9cd4cb19893bbbd290 100644 (file)
@@ -248,6 +248,35 @@ void yaffs_backward_scan_test(const char *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)
@@ -467,7 +496,7 @@ void dumpDirFollow(const char *dname)
 }
 
 
-void dumpDir(const char *dname)
+void dump_directory_tree_worker(const char *dname,int recursive)
 {
        yaffs_DIR *d;
        yaffs_dirent *de;
@@ -488,7 +517,7 @@ void dumpDir(const char *dname)
                        
                        yaffs_lstat(str,&s);
                        
-                       printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+                       printf("%s length %d mode %X ",str,(int)s.st_size,s.st_mode);
                        switch(s.st_mode & S_IFMT)
                        {
                                case S_IFREG: printf("data file"); break;
@@ -502,15 +531,29 @@ void dumpDir(const char *dname)
                                default: printf("unknown"); break;
                        }
                        
-                       printf("\n");           
+                       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));
 }
 
 
@@ -1553,18 +1596,18 @@ void write_10k(int h)
 void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
 {
    int h1;
-   int h2;
    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);
-       write_10k(h2);
    }
    
-   if(yaffs_lseek(h1,0,SEEK_SET) != 1000000)
+   offs = yaffs_lseek(h1,0,SEEK_CUR);
+   if( offs != 100000)
    {
        printf("Could not write file\n");
    }
@@ -1573,19 +1616,17 @@ void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
    for(i = 0; i < 100000; i+= 10000)
    {
        write_10k(h1);
-       write_10k(h2);
    }
    
-   if(yaffs_lseek(h1,0,SEEK_SET) != 2000000)
+   offs = yaffs_lseek(h1,0,SEEK_CUR);
+   if( offs != 200000)
    {
        printf("Could not write file\n");
    }
    
    yaffs_close(h1);
-   yaffs_close(h2);
    yaffs_unlink(fdel1);
    
-   
 }
 
 
@@ -1595,17 +1636,21 @@ void verify_200k_file(const char *fn)
    int i;
    char x[11];
    const char *s="0123456789";
+   int errCount = 0;
    
    h1 = yaffs_open(fn, O_RDONLY, 0);
    
-   for(i = 0; i < 200000; i+= 10)
+   for(i = 0; i < 200000 && errCount < 10; i+= 10)
    {
        yaffs_read(h1,x,10);
        if(strncmp(x,s,10) != 0)
        {
-               printf("File verification failed at %d\n",i);
+               printf("File %s verification failed at %d\n",fn,i);
+               errCount++;
        }
    }
+   if(errCount >= 10)
+       printf("Too many errors... aborted\n");
       
    yaffs_close(h1);       
        
@@ -1648,6 +1693,185 @@ void check_resize_gc_bug(const char *mountpt)
 }
 
 
+void multi_mount_test(const char *mountpt,int nmounts)
+{
+
+       char a[30];
+       char b[30];
+       char c[30];
+       
+       int i;
+       int j;
+       
+       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);
+               for(j = 0; j < i; j++){
+                       sprintf(b,"%s/%d",a,j);
+                       verify_200k_file(b);
+               }
+               sprintf(b,"%s/%d",a,i);
+
+               write_200k_file(b,"","");
+               
+               printf("######## Iteration %d   End\n",i);
+               dump_directory_tree(mountpt);
+               
+               yaffs_unmount(mountpt);
+       }
+}
+
+
+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);
+       
+}
+
+
+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 i;
+       int j;
+       int h;
+       
+       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);
+       }
+}
+       
+
+
 int main(int argc, char *argv[])
 {
        //return long_test(argc,argv);
@@ -1658,10 +1882,16 @@ int main(int argc, char *argv[])
        
        //huge_directory_test_on_path("/ram2k");
        
-        //yaffs_backward_scan_test("/flash")   ;
+        //yaffs_backward_scan_test("/flash/flash");
+       // yaffs_device_flush_test("/flash/flash");
+
         
         //scan_pattern_test("/flash",10000,10);
-       //short_scan_test("/flash",40000,200);
+       //short_scan_test("/flash/flash",40000,200);
+        //multi_mount_test("/flash/flash",20);
+        //checkpoint_fill_test("/flash/flash",20);
+        checkpoint_upgrade_test("/flash/flash",20);
+
 
        
        //long_test_on_path("/ram2k");
@@ -1672,7 +1902,7 @@ int main(int argc, char *argv[])
        //lookup_test("/flash");
        //freespace_test("/flash/flash");
        
-       link_test("/flash/flash");
+       //link_test("/flash/flash");