#ifndef FX_STANDALONE_ENABLE #include "tx_api.h" #else #define _GNU_SOURCE #define _DEFAULT_SOURCE #include #include #endif #include "fx_api.h" #include "fx_system.h" #include "fx_utility.h" #include "fx_fault_tolerant.h" #include #include "fx_ram_driver_test.h" extern void test_control_return(UINT status); void filex_fault_tolerant_enable_4_test_application_define(void *first_unused_memory); #if defined (FX_ENABLE_FAULT_TOLERANT) && defined (FX_FAULT_TOLERANT) && defined (FX_FAULT_TOLERANT_DATA) #define DEMO_STACK_SIZE 4096 #define CACHE_SIZE 2048 #define FAULT_TOLERANT_SIZE FX_FAULT_TOLERANT_MINIMAL_BUFFER_SIZE /* Define the ThreadX and FileX object control blocks... */ #ifndef FX_STANDALONE_ENABLE static TX_THREAD ftest_0; static TX_THREAD ftest_1; #else static pthread_t ptid1; #endif static FX_MEDIA ram_disk; static FX_FILE my_file; static UCHAR *pointer; /* Define the counters used in the test application... */ #ifndef FX_STANDALONE_ENABLE static UCHAR *cache_buffer; static UCHAR *fault_tolerant_buffer; static UCHAR *thread_buffer; #else static UCHAR cache_buffer[CACHE_SIZE]; static UCHAR fault_tolerant_buffer[FAULT_TOLERANT_SIZE]; #endif static UINT directory_write_interrupt = FX_FALSE; static CHAR write_buffer[2048]; static UCHAR read_buffer[4096]; /* Define thread prototypes. */ static void ftest_0_entry(ULONG thread_input); #ifndef FX_STANDALONE_ENABLE static void ftest_1_entry(ULONG thread_input); #else static void *ftest_1_entry(void * thread_input); #endif extern void _fx_ram_driver(FX_MEDIA *media_ptr); extern void test_control_return(UINT status); extern UINT _filex_fault_tolerant_log_check(FX_MEDIA *media_ptr); extern UINT (*driver_write_callback)(FX_MEDIA *media_ptr, UINT sector_type, UCHAR *block_ptr, UINT *operation_ptr); static UINT my_driver_write(FX_MEDIA *media_ptr, UINT sector_type, UCHAR *block_ptr, UINT *operation_ptr); /* Define what the initial system looks like. */ #ifdef CTEST void test_application_define(void *first_unused_memory) #else void filex_fault_tolerant_enable_4_test_application_define(void *first_unused_memory) #endif { #ifndef FX_STANDALONE_ENABLE /* Setup the working pointer. */ pointer = (UCHAR *) first_unused_memory; /* Create the main thread. */ tx_thread_create(&ftest_0, "thread 0", ftest_0_entry, 0, pointer, DEMO_STACK_SIZE, 4, 4, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + DEMO_STACK_SIZE; /* Setup memory for the RAM disk and the sector cache. */ cache_buffer = pointer; pointer += CACHE_SIZE; fault_tolerant_buffer = pointer; pointer += FAULT_TOLERANT_SIZE; thread_buffer = pointer; pointer += DEMO_STACK_SIZE; #endif /* Initialize the FileX system. */ fx_system_initialize(); #ifdef FX_STANDALONE_ENABLE ftest_0_entry(0); #endif } /* Define the test threads. */ static void ftest_0_entry(ULONG thread_input) { UINT status; FX_PARAMETER_NOT_USED(thread_input); /* Print out some test information banners. */ printf("FileX Test: Fault Tolerant Enable 4 Test..........................."); /* Format the media with FAT16. This needs to be done before opening it! */ status = fx_media_format(&ram_disk, _fx_ram_driver, // Driver entry ram_disk_memory_large, // RAM disk memory pointer cache_buffer, // Media buffer pointer CACHE_SIZE, // Media buffer size "MY_RAM_DISK", // Volume Name 1, // Number of FATs 32, // Directory Entries 0, // Hidden sectors 4200 * 8, // Total sectors 256, // Sector size 8, // Sectors per cluster 1, // Heads 1); // Sectors per track status += fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE); return_if_fail(status == FX_SUCCESS); /* Enable the Fault-tolerant feature. */ status = fx_fault_tolerant_enable(&ram_disk, fault_tolerant_buffer, FAULT_TOLERANT_SIZE); return_if_fail(status == FX_SUCCESS); /* Create a file called TEST1.TXT in the root directory. */ status = fx_file_create(&ram_disk, "TEST1.TXT"); return_if_fail(status == FX_SUCCESS); #ifndef FX_STANDALONE_ENABLE /* Create the main thread. */ tx_thread_create(&ftest_1, "thread 1", ftest_1_entry, 0, thread_buffer, DEMO_STACK_SIZE, 4, 4, TX_NO_TIME_SLICE, TX_AUTO_START); #endif /* directory_write_interrupt */ directory_write_interrupt = FX_FALSE; /* Let the other thread run. */ #ifndef FX_STANDALONE_ENABLE tx_thread_relinquish(); #else pthread_create(&ptid1, NULL, &ftest_1_entry, NULL); usleep(10); pthread_join(ptid1,NULL); #endif /* After write interrupt, reread the files. */ /* Open the ram_disk. */ status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE); return_if_fail(status == FX_SUCCESS); /**** Modify the checksum of log content so that the log will not apply. ****/ _fx_utility_logical_sector_read( &ram_disk, 1 + ram_disk.fx_media_sectors_per_FAT + ram_disk.fx_media_root_sectors, read_buffer, 8, FX_DATA_SECTOR); read_buffer[FX_FAULT_TOLERANT_LOG_CONTENT_OFFSET]++; _fx_utility_logical_sector_write( &ram_disk, 1 + ram_disk.fx_media_sectors_per_FAT + ram_disk.fx_media_root_sectors, read_buffer, 8, FX_DATA_SECTOR); /* Enable the Fault-tolerant feature to recover the media. */ status = fx_fault_tolerant_enable(&ram_disk, fault_tolerant_buffer, FAULT_TOLERANT_SIZE); return_if_fail(status == FX_SUCCESS); /* Delete the thread. */ #ifndef FX_STANDALONE_ENABLE tx_thread_delete(&ftest_1); #else pthread_cancel(ptid1); #endif /* Output successful. */ printf("SUCCESS!\n"); test_control_return(0); } /* Define the test threads. */ #ifndef FX_STANDALONE_ENABLE static void ftest_1_entry(ULONG thread_input) #else void * ftest_1_entry(void * thread_input) #endif { #ifdef FX_STANDALONE_ENABLE UINT oldtype; pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype); #endif FX_PARAMETER_NOT_USED(thread_input); /* Set the callback function to simulate poweoff operation when write FAT entry. */ driver_write_callback = my_driver_write; /* Open the test file. */ fx_file_open(&ram_disk, &my_file, "TEST1.TXT", FX_OPEN_FOR_WRITE); fx_file_seek(&my_file, 0); /* Write something to the file. */ fx_file_write(&my_file, (void *) write_buffer, 2048); } static UINT my_driver_write(FX_MEDIA *media_ptr, UINT sector_type, UCHAR *block_ptr, UINT *operation_ptr) { FX_PARAMETER_NOT_USED(block_ptr); /* Interrupt the Directory write operation after record the redo log. */ if ((sector_type == FX_DIRECTORY_SECTOR) && (_filex_fault_tolerant_log_check(media_ptr) & FX_FAULT_TOLERANT_LOG_REDO_DONE)) { /* Set the write interrupt operation. */ *operation_ptr = FX_OP_WRITE_INTERRUPT; /* Update the flag. */ directory_write_interrupt = FX_TRUE; /* Clean the callback function. */ driver_write_callback = FX_NULL; /* Delete the media protection structure if FX_SINGLE_THREAD is not defined. */ #ifndef FX_SINGLE_THREAD #ifndef FX_DONT_CREATE_MUTEX /* Note that the protection is never released. The mutex delete service will handle all threads waiting access to this media control block. */ tx_mutex_delete(&(media_ptr -> fx_media_protect)); #endif #endif /* Clean the media data. */ _fx_system_media_opened_ptr = FX_NULL; _fx_system_media_opened_count = 0; /* Clean the media. */ memset(media_ptr, 0, sizeof(FX_MEDIA)); /* Simulate poweroff. */ /* First terminate the thread to ensure it is ready for deletion. */ #ifndef FX_STANDALONE_ENABLE tx_thread_terminate(&ftest_1); #else pthread_cancel(ptid1); #endif } /* Return. */ return FX_SUCCESS; } #else #ifdef CTEST void test_application_define(void *first_unused_memory) #else void filex_fault_tolerant_enable_4_test_application_define(void *first_unused_memory) #endif { FX_PARAMETER_NOT_USED(first_unused_memory); /* Print out some test information banners. */ printf("FileX Test: Fault Tolerant Enable 4................................N/A\n"); test_control_return(255); } #endif