+++ /dev/null
-/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yaffsdev.c
- *
- * Copyright (C) 2002 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * 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 "yaffsinterface.h"
-#include "yportenv.h"
-
-#if YAFFS_FILEEM
-#include "yaffs_fileem.h"
-#else
-#include "yaffs_nandemul.h"
-#endif
-
-#include "yaffs_guts.h"
-#include <stdlib.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-
-
-unsigned yaffs_traceMask = 0xFFFFFFFF;
-
-yaffs_Device device;
-
-
-char *testStr = "this is a test string";
-
-char *testStr2 = "abcdefghijklmnopqrstuvwxyz1234567890";
-
-void TestTimexxx(yaffs_Device *dev)
-{
- yaffs_Object *f;
- int x;
-
-
- printf("Start\n");
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
-}
-
-
-void TestTimeasasas(yaffs_Device *dev)
-{
- yaffs_Object *f;
- int x;
- int i;
- int b;
- char data[200];
- int written;
-
-
- printf("Start\n");
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
-
-
- for(i = 0; i < 10000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- printf("Flush\n");
-
- yaffs_FlushFile(f,1);
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- yaffs_DumpObject(f);
-
- printf("Resize to 3000\n");
- yaffs_ResizeFile(f,3000);
- printf("Resize to 2048\n");
- yaffs_ResizeFile(f,2048);
-
- yaffs_DumpObject(f);
-
- yaffs_FlushFile(f,1);
-
-
-
-
-}
-
-void TestTimeBigDeletes(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *sl;
- yaffs_Object *lnf;
-
- yaffs_Object *hl1;
- yaffs_Object *hl2;
- yaffs_Object *hl3;
- yaffs_Object *d, *df;
-
- int x;
- int i;
- int b;
- char data[200];
-
- char * alias;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
- yaffs_FlushFile(f,1);
- yaffs_DeleteFile(f);
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
- yaffs_FlushFile(f,1);
- yaffs_DeleteFile(f);
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
- yaffs_FlushFile(f,1);
- yaffs_DeleteFile(f);
-
-}
-
-void TestTime(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *sl;
- yaffs_Object *lnf;
-
- yaffs_Object *hl1;
- yaffs_Object *hl2;
- yaffs_Object *hl3;
- yaffs_Object *d, *df;
-
- int x;
- int i;
- int b;
- char data[200];
-
- char * alias;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
- // Test the problem of:
- // Create file
- // Delete file
- // Create file with same name
- // Delete file <== crash
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
- yaffs_Unlink(yaffs_Root(dev),"Name1");
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
- yaffs_Unlink(yaffs_Root(dev),"Name1");
-
-
-
- // Other tests
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
-// Write a file with overwrite, then read it back and save outside yaffs
-// This is to test that write caching works.
-
- for(i = 0; i < 100; i++)
- {
- unsigned char x[500];
-
- memset(x,i,500);
-
- written = yaffs_WriteDataToFile(f,x,i*500,500);
- }
-
- for(i = 0; i < 100; i++)
- {
- unsigned char x;
-
- x = i+5;
-
- written = yaffs_WriteDataToFile(f,&x,i*500 + 2,1);
- }
-
-
- {
- int h;
-
- h = open("bork",O_RDWR | O_CREAT | O_TRUNC,0666);
- for(i = 0; i < 100; i++)
- {
- unsigned char x[500];
-
- yaffs_ReadDataFromFile(f,x,i*500,500);
- write(h,x,500);
- }
- close(h);
-
-
- }
-
-// Big write to fill disk
-
- written = 1;
- for(i = 0; i < 1000000 && written > 0; i++)
- {
- unsigned char x[500];
-
- memset(x,i,500);
-
- written = yaffs_WriteDataToFile(f,x,i*500,500);
- }
- if(written <= 0)
- {
- printf("YAFFS full\n");
- }
-
- // some short reads
- for(i = 1000; i < 50000; i+=2)
- {
- yaffs_ReadDataFromFile(f,data,i,20);
- }
-
-
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- printf("Flush\n");
-
- yaffs_FlushFile(f,1);
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- printf("File length is %d\n",yaffs_GetObjectFileLength(f));
-
- sl = yaffs_MknodSymLink(yaffs_Root(dev),"sym-link",0,0,0,"/tmp/alias");
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- printf("\n\nsymlink alias is \"%s\"\n",alias = yaffs_GetSymlinkAlias(sl));
-
- free(alias);
-
- printf("Unlink symlink %d\n",yaffs_Unlink(yaffs_Root(dev),"sym-link"));
-
-
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- yaffs_DumpObject(f);
-
- printf("Resize 3000\n");
- yaffs_ResizeFile(f,3000);
-
- printf("Resize 2050\n");
- yaffs_ResizeFile(f,2050);
- printf("Resize 2049\n");
- yaffs_ResizeFile(f,2049);
- printf("Resize 2048\n");
- yaffs_ResizeFile(f,2048);
-
-
- printf("Resize 2000\n");
- yaffs_ResizeFile(f,2000);
-
- yaffs_DumpObject(f);
-
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
-
-
-
- yaffs_FlushFile(f,1);
-
-
- printf("Unlink file: %d\n",yaffs_Unlink(yaffs_Root(dev),"Rename"));
-
- yaffs_DeleteFile(f);
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- // Create a directory and play with it
-
-
- printf("Find or Create directory and play with it\n");
- d = yaffs_FindObjectByName(yaffs_Root(dev),"direct");
- if(!d)
- {
- d = yaffs_MknodDirectory(yaffs_Root(dev),"direct",0,0,0);
- }
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- yaffs_ApplyToDirectoryChildren(d,yaffs_DumpObject);
-
- printf("Make file in directory\n");
-
- df = yaffs_MknodFile(d,"file-in-directory",0,0,0);
- yaffs_ApplyToDirectoryChildren(d,yaffs_DumpObject);
-
-
- // Do some stuff with hardlinks
- //
- // NB Deleting hardlinked objects can mess up pointers to hardlinks.
- // The mechanism is as follows:
- // * If you unlink a file,softlink or directory that has one or more hardlinks,
- // then the object is renamed to one of the hardlinks and that hardlink is unlinked.
- // This means that a pointer to a hardlink so deleted will point to an invalid address.
- // Thus, make sure that pointers to hardlinks are immediately dereferenced.
-
-
- printf("Hard link tests\n");
-
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- hl1 = yaffs_Link(yaffs_Root(dev),"HardLink 1",f);
- hl2 = yaffs_Link(yaffs_Root(dev),"HardLink 2",f);
- hl3 = yaffs_Link(yaffs_Root(dev),"HardLink 3",hl2);
-
- printf("\n\nHard links created\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"HardLink 1");
- printf("\n\nHard link deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"Name1");
- printf("\n\nHard linked file deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"HardLink 2");
- printf("\n\nHard link 2 deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"HardLink 3");
-
- printf("\n\nHard link 3 deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- // NB We don't allow unlinking or rename of the root or lost+found
- // We allow setting attributes, but these must not be written to
- // NAND since they are not real objects.
-
- printf("Attempt to rename lost+found - should have failed\n");
- x = yaffs_RenameObject(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME,NULL,"Renamed");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- f = yaffs_MknodFile(yaffs_Root(dev),"pfile",0,0,0);
- if(f)
- {
- yaffs_WriteDataToFile(f,testStr,0,strlen(testStr));
- }
-
- yaffs_Link(yaffs_Root(dev),"phl4",f);
-}
-
-void TestTimeDeleteFocussed(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *lnf;
-
-
- int x;
- int i;
- int b;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
-
-
- yaffs_FlushFile(f,1);
-
-
- printf("Unlink file: %d\n",yaffs_Unlink(yaffs_Root(dev),"Rename"));
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
-}
-
-void TestTimeTnodeFocussed(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *lnf;
-
-
- int x;
- int i;
- int b;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
- for(i = 0; i < 10000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,0,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,0,strlen(testStr2));
- }
-
-}
-void TestTimeBackgroundDeleteFocussed(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *lnf;
-
-
- int x;
- int i,j;
- int b;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
- for(j = 0; j < 20; j++)
- {
- printf("Run %d\n",j);
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- printf("@@@@@@@ Run %d, object %d\n",j,f->objectId);
-
- for(i = 0; i < 1000000; i+=20)
- {
-
- written = yaffs_WriteDataToFile(f,testStr,i,100);
- }
-
- yaffs_FlushFile(f,1);
-
- yaffs_DeleteFile(f);
- }
-
-}
-
-int main(int argc,char *argv[])
-{
-
- int nBlocks;
-
-#if YAFFS_FILEEM
- nBlocks =(2 * 1024 * 1024) / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK) ;
- device.writeChunkToNAND = yaffs_FEWriteChunkToNAND;
- device.readChunkFromNAND = yaffs_FEReadChunkFromNAND;
- device.eraseBlockInNAND = yaffs_FEEraseBlockInNAND;
- device.initialiseNAND = yaffs_FEInitialiseNAND;
-
- printf("Testing on file emulation\n");
-#else
- nBlocks = (2 * 1024 * 1024) / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
- device.writeChunkToNAND = nandemul_WriteChunkToNAND;
- device.readChunkFromNAND = nandemul_ReadChunkFromNAND;
- device.eraseBlockInNAND = nandemul_EraseBlockInNAND;
- device.initialiseNAND = nandemul_InitialiseNAND;
-
- printf("Testing on RAM emulation\n");
-#endif
-
-#ifdef YAFFS_START
- device.startBlock = YAFFS_START; // Don't use block 0
- device.endBlock = YAFFS_END;
-#else
- device.startBlock = 1; // Don't use block 0
- device.endBlock = nBlocks;
-#endif
-
- device.nShortOpCaches = 10;
-
-
- yaffs_GutsInitialise(&device);
-
- // yaffs_GutsTest();
-
- TestTimeBackgroundDeleteFocussed(&device);
-
- printf("Cache hits %d\n",device.cacheHits);
- printf("Retired blocks %d\n",device.nRetiredBlocks);
-
- printf("Deletions %d\n",device.nDeletions);
- printf("Unmarked deletions %d\n",device.nUnmarkedDeletions);
-
- exit(0);
-}
projects / yaffs / .git / blobdiff