ref: 8cdd8add659ccbcaccf45694eaca14bd3094fa1d
dir: /src/demos/generic/main.c/
/* * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <getopt.h> #include <stdbool.h> #include <ext4_filedev.h> #include <ext4.h> char input_name[128] = "ext2"; /**@brief Read-write size*/ static int rw_szie = 1024; /**@brief Read-write size*/ static int rw_count = 1024; static bool cache_mode = false; /**@brief File write buffer*/ static uint8_t *wr_buff; /**@brief File read buffer.*/ static uint8_t *rd_buff; /**@brief Block device handle.*/ static struct ext4_blockdev *bd; /**@brief Block cache handle.*/ static struct ext4_bcache *bc; static const char *usage = " \n\ Welcome in ext4 generic demo. \n\ Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) \n\ Usage: \n\ -i - input file (default = ext2) \n\ -rws - single R/W size (default = 1024) \n\ -rwc - R/W count (default = 1024) \n\ -cache - 0 static, 1 dynamic (default = 0) \n\ \n"; static char* entry_to_str(uint8_t type) { switch(type){ case EXT4_DIRENTRY_UNKNOWN: return "[UNK] "; case EXT4_DIRENTRY_REG_FILE: return "[FIL] "; case EXT4_DIRENTRY_DIR: return "[DIR] "; case EXT4_DIRENTRY_CHRDEV: return "[CHA] "; case EXT4_DIRENTRY_BLKDEV: return "[BLK] "; case EXT4_DIRENTRY_FIFO: return "[FIF] "; case EXT4_DIRENTRY_SOCK: return "[SOC] "; case EXT4_DIRENTRY_SYMLINK: return "[SYM] "; default: break; } return "[???]"; } static void dir_ls(const char *path) { int j = 0; char sss[255]; ext4_dir d; ext4_direntry *de; printf("**********************************************\n"); ext4_dir_open(&d, path); de = ext4_entry_get(&d, j++); printf("ls %s\n", path); while(de){ memcpy(sss, de->name, de->name_length); sss[de->name_length] = 0; printf(entry_to_str(de->inode_type)); printf(sss); printf("\n"); de = ext4_entry_get(&d, j++); } printf("**********************************************\n"); ext4_dir_close(&d); } int main(int argc, char **argv) { int option_index = 0; int c; int r; int i; uint32_t size; ext4_file f; static struct option long_options[] = { {"in", required_argument, 0, 'a'}, {"rws", required_argument, 0, 'b'}, {"rwc", required_argument, 0, 'c'}, {"cache", required_argument, 0, 'd'}, {0, 0, 0, 0} }; while(-1 != (c = getopt_long (argc, argv, "a:b:c:d:", long_options, &option_index))) { switch(c){ case 'a': strcpy(input_name, optarg); break; case 'b': rw_szie = atoi(optarg); break; case 'c': rw_count = atoi(optarg); break; case 'd': cache_mode = atoi(optarg); break; default: printf(usage); return EXIT_FAILURE; } } printf("Test conditions:\n"); printf("Imput name: %s\n", input_name); printf("RW size: %d\n", rw_szie); printf("RW count: %d\n", rw_count); printf("Cache mode: %s\n", cache_mode ? "dynamic" : "static"); ext4_filedev_filename(input_name); wr_buff = malloc(rw_szie); rd_buff = malloc(rw_szie); if(!wr_buff || !rd_buff){ printf("Read-Write allocation ERROR\n"); return EXIT_FAILURE; } bd = ext4_filedev_get(); bc = ext4_filecache_get(); if(!bd || !bc){ printf("Block device ERROR\n"); return EXIT_FAILURE; } ext4_dmask_set(EXT4_DEBUG_ALL); r = ext4_device_register(bd, cache_mode ? 0 : bc, "ext4_filesim"); if(r != EOK){ printf("ext4_device_register ERROR = %d\n", r); return EXIT_FAILURE; } r = ext4_mount("ext4_filesim", "/mp"); if(r != EOK){ printf("ext4_mount ERROR = %d\n", r); return EXIT_FAILURE; } ext4_fremove("/mp/test1"); dir_ls("/mp/"); printf("ext4_fopen: test1\n"); r = ext4_fopen(&f, "/mp/test1", "wb"); if(r != EOK){ printf("ext4_fopen ERROR = %d\n", r); return EXIT_FAILURE; } printf("ext4_write: %d * %d ..." , rw_count, rw_szie); for (i = 0; i < rw_count; ++i) { memset(wr_buff, i & 0xFF, rw_szie); r = ext4_fwrite(&f, wr_buff, rw_szie, &size); if((r != EOK) || (size != rw_szie)) break; } if(i != rw_count){ printf("ERROR: rw_count = %d\n", i); return EXIT_FAILURE; } printf("OK\n"); r = ext4_fclose(&f); printf("ext4_fopen: test1\n"); r = ext4_fopen(&f, "/mp/test1", "r+"); if(r != EOK){ printf("ext4_fopen ERROR = %d\n", r); return EXIT_FAILURE; } printf("ext4_read: %d * %d ..." , rw_count, rw_szie); for (i = 0; i < rw_count; ++i) { memset(wr_buff, i & 0xFF, rw_szie); r = ext4_fread(&f, rd_buff, rw_szie, &size); if((r != EOK) || (size != rw_szie)) break; if(memcmp(rd_buff, wr_buff, rw_szie)){ break; } } if(i != rw_count){ printf("ERROR: rw_count = %d\n", i); return EXIT_FAILURE; } printf("OK\n"); r = ext4_fclose(&f); dir_ls("/mp/"); r = ext4_umount("/mp"); printf("Test finish: OK\n"); return EXIT_SUCCESS; }