position.c

ST5518机顶盒系统文件系统源代码！绝对超值！

/******************************************************************************

    File Name   : position.c

    Description : Tests the seek and get position API calls.

******************************************************************************/

/* Includes ---------------------------------------------------------------- */

#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <assert.h>

#include "wrapper.h"
#include "stavfs.h"

/* Private Types ----------------------------------------------------------- */

/* Private Constants ------------------------------------------------------- */

#define FILE_NAME "pos.tst" /* standard file name */

static U8 StdData[] =
{
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};

/* Private Variables ------------------------------------------------------- */

static U8 Buffer[2 * DISK_SECTOR_SIZE];


/* Private Macros ---------------------------------------------------------- */

    /* generic U64 compare with U32. Update to "arg64 == arg32" as and when we
      move to true 64-bit architecture */
#define I64_CompU32(arg64, arg32) ((arg64).MSW == 0 && (arg64).LSW == (arg32))

    /* conversion to U32 for printf, etc; use generally assumes MSW == 0 */
#define I64_GetU32(val) ((val).LSW)

    /* calling ProbePositions for a list that should be good and a list that should be bad, inside an if */
#define DOUBLE_PROBE_FAILS(FileHandle, GoodList, BadList, Prefix) \
   (TEST_PASSED != ProbePositions ((FileHandle), TRUE, (GoodList), TABLE_LEN(GoodList), (Prefix)) \
 || TEST_PASSED != ProbePositions ((FileHandle), FALSE, (BadList), TABLE_LEN(BadList), (Prefix)))


/* Private Function Prototypes --------------------------------------------- */

static TestResult_t RWFollow         (int TestNo, TestVariant_t Variant);
static TestResult_t RWMulti          (int TestNo, TestVariant_t Variant);
static TestResult_t InitialPos       (int TestNo, TestVariant_t Variant);
static TestResult_t Boundaries       (int TestNo, TestVariant_t Variant);
static TestResult_t Seekables        (int TestNo, TestVariant_t Variant);
static TestResult_t ReadStability    (int TestNo, TestVariant_t Variant);
static TestResult_t WriteStability   (int TestNo, TestVariant_t Variant);
static TestResult_t CyclicSeek       (int TestNo, TestVariant_t Variant);
static TestResult_t CyclicStability  (int TestNo, TestVariant_t Variant);

static TestResult_t InitialPosNonCyclic(STAVFS_Handle_t DiskHandle, STAVFS_FileHandle_t FileHandle);

static TestResult_t CheckPos      (STAVFS_FileHandle_t FileHandle,
                                   U32 ReadPos, U32 WritePos, char * Prefix_p);
static TestResult_t WriteChunks   (STAVFS_FileHandle_t FileHandle, U32 NumChunks, U32 ChunkSize,
                                   U32 ReadPos, U32 * WritePos_p, char * Prefix_p);
static TestResult_t ReadChunks    (STAVFS_FileHandle_t FileHandle, U32 NumChunks, U32 ChunkSize,
                                   U32 * ReadPos_p, U32 WritePos, char * Prefix_p);
static TestResult_t ProbePositions(STAVFS_FileHandle_t FileHandle, BOOL ShouldSucceed,
                                   S32 * Positions_p, int NumPositions, char * Prefix_p);


/* Functions --------------------------------------------------------------- */


/******************************************************************************
Function Name : Position
  Description : Position test section function.
   Parameters :
******************************************************************************/
BOOL Position (parse_t * pars_p, char *result_sym_p)
{
    char *Description = "Get and Seek position API calls";
    
    TestCall_t TestList[] =
    {
         RWFollow,          /* Test 001 */
	 RWMulti,           /* Test 002 */
         InitialPos,        /* Test 003 */
         Boundaries,        /* Test 004 */
         Seekables,         /* Test 005 */
         ReadStability,     /* Test 006 */
         WriteStability,    /* Test 007 */
         CyclicSeek,        /* Test 008 */
         CyclicStability,   /* Test 009 */
         CyclicStability,   /* Test 010 */
    };
    
    GenericTest (pars_p, result_sym_p,
                 Description,
                 TestList, TABLE_LEN(TestList)-1,
		 TEST_VARIANT_B); /* two variants to each test */
                 
    return (FALSE);
}





/******************************************************************************
Function Name : RWFollow
  Description : Simple test to verify that GetFilePosition follows reads and writes
   Parameters :
******************************************************************************/
static TestResult_t RWFollow(int TestNo, TestVariant_t Variant)
{
    TestResult_t        Result;

    STAVFS_Handle_t     DiskHandle;

    STAVFS_OpenMode_t   OpenMode = STAVFS_WRITE_MODE | STAVFS_READ_MODE;

    switch (Variant)
    {
    case TEST_VARIANT_A:
        /* regular files; no special settings */
        break;
        
    case TEST_VARIANT_B:
        /* cyclic files; just to check they do the same thing when not wrapping */
        
        OpenMode |= STAVFS_CYCLIC_MODE;
        break;
        
    default:
        return TEST_NOT_WRITTEN;
    }
    
    Result = OpenPartition(0, 0, "Dev0", &DiskHandle); /* 1 sector per cluster */
    if (TEST_PASSED == Result)
    {
        STAVFS_FileHandle_t FileHandle;
        
        U64 FileSize;
        U32 ReadPos = 0, WritePos = 0;
        
        I64_SetValue (1200, 0, FileSize);
        
        if (ST_NO_ERROR != STAVFS_OpenFile (DiskHandle, STAVFS_NULL_FILE_HANDLE, FILE_NAME,
                                            OpenMode, FileSize, &FileHandle))
        {
            STTBX_Print (("Error opening file\n"));
            Result = TEST_FAILED;
        }
        else
        {
            /* write twelve 100 byte chunks, checking GetFilePosition after each go */            
            if (ST_NO_ERROR != WriteChunks (FileHandle, 12, 100, ReadPos, &WritePos, NULL))
            {
                Result = TEST_FAILED; /* message already displayed */
            }
            
            /* read back in ten 120 byte chunks. Only need to check GetFilePosition, not the data read */
            else if (ST_NO_ERROR != ReadChunks (FileHandle, 10, 120, &ReadPos, WritePos, NULL))
            {
                Result = TEST_FAILED; /* message already displayed */
            }
            
                        
            /* close and delete file in all cases where we sucessfully created it */
            
            if (ST_NO_ERROR != STAVFS_CloseFile (FileHandle))
            {
                STTBX_Print (("Error closing file\n"));
                Result = TEST_FAILED;
            }
            
            if (ST_NO_ERROR != STAVFS_DeleteFile (DiskHandle, STAVFS_NULL_FILE_HANDLE, FILE_NAME))
            {
                STTBX_Print (("Error deleting file\n"));
                Result = TEST_FAILED;
            }
        }
        
        if (TEST_PASSED != ClosePartition("Dev0", DiskHandle))
        {
            Result = TEST_FAILED; /* message already displayed */
        }
    }

    return (Result);
}



/******************************************************************************
Function Name : RWMulti
  Description : Check read/write following as a regular file extends / cyclic file wraps
   Parameters :
******************************************************************************/
static TestResult_t RWMulti(int TestNo, TestVariant_t Variant)
{
    TestResult_t        Result;

    STAVFS_Handle_t     DiskHandle;

    STAVFS_OpenMode_t   OpenMode = STAVFS_WRITE_MODE | STAVFS_READ_MODE;

    switch (Variant)
    {
    case TEST_VARIANT_A:
        /* regular files; no special settings */
        break;
        
    case TEST_VARIANT_B:
        /* cyclic files */
        
        OpenMode |= STAVFS_CYCLIC_MODE;
        break;
        
    default:
        return TEST_NOT_WRITTEN;
    }
    
    Result = OpenPartition(0, 2, "Dev2", &DiskHandle); /* 2 sectors per cluster */
    if (TEST_PASSED == Result)
    {
        STAVFS_FileHandle_t FileHandle;
        
        U64 FileSize;
        U32 ReadPos = 0, WritePos = 0;
        int i;
        
        I64_SetValue (1024, 0, FileSize); /* 1 cluster */
        
        if (ST_NO_ERROR != STAVFS_OpenFile (DiskHandle, STAVFS_NULL_FILE_HANDLE, FILE_NAME,
                                            OpenMode, FileSize, &FileHandle))
        {
            STTBX_Print (("Error opening file\n"));
            Result = TEST_FAILED;
        }
        else
        {
            for (i = 0; i < 10; ++i)
            {
                /* on each iteration, write two 300 byte chunks, and read three 200 byte ones,
                  checking GetFilePosition after each action */
                if (TEST_PASSED != WriteChunks (FileHandle, 2, 300, ReadPos, &WritePos, NULL))
                {
                    Result = TEST_FAILED; /* message already displayed */
                    break;
                }
                else if (TEST_PASSED != ReadChunks (FileHandle, 3, 200, &ReadPos, WritePos, NULL))
                {
                    Result = TEST_FAILED; /* message already displayed */
                    break;
                }
            }
            
            
            /* close and delete file in all cases where we sucessfully created it */
            
            if (ST_NO_ERROR != STAVFS_CloseFile (FileHandle))
            {
                STTBX_Print (("Error closing file\n"));
                Result = TEST_FAILED;
            }