dtest.c

yaffs2 lastest sourcecode~~

	
	// 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;
	
}