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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-20 18:18:19 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-20 18:18:19 +0000 |
commit | eafaeb9398216dacb92de69683ccdda6007efb1d (patch) | |
tree | e513e4fd791670d9b74d33821682d4059ed73098 /nuttx/examples/romfs/romfs_main.c | |
parent | f68c474e8ae9cfa5c9124a6eb92ec06fe2bf40a1 (diff) | |
download | px4-nuttx-eafaeb9398216dacb92de69683ccdda6007efb1d.tar.gz px4-nuttx-eafaeb9398216dacb92de69683ccdda6007efb1d.tar.bz2 px4-nuttx-eafaeb9398216dacb92de69683ccdda6007efb1d.zip |
Move nuttx/examples to apps/examples
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3405 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/examples/romfs/romfs_main.c')
-rw-r--r-- | nuttx/examples/romfs/romfs_main.c | 506 |
1 files changed, 0 insertions, 506 deletions
diff --git a/nuttx/examples/romfs/romfs_main.c b/nuttx/examples/romfs/romfs_main.c deleted file mode 100644 index 2e231a31c..000000000 --- a/nuttx/examples/romfs/romfs_main.c +++ /dev/null @@ -1,506 +0,0 @@ -/**************************************************************************** - * examples/romfs/romfs_main.c - * - * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - ****************************************************************************/ - -/* Mount the ROMFS image, Verifty that it contains the - * following: - * - * testdir - * |---------- [drwxr-xr-x 4096] adir - * | |------ [-rw-r--r-- 21] anotherfile.txt - * | |------ [drwxr-xr-x 4096] subdir - * | | `-- [-rw-r--r-- 21] subdirfile.txt - * | `------ [-rw-r--r-- 25] yafile.txt - * |---------- [-rw-r--r-- 15] afile.txt - * |---------- [-rw-r--r-- 21] hfile - * `---------- [lrwxrwxrwx 11] ldir -> adir/subdir - * - * testdir/ldir is a soft-link and should not be detectable. - * hfile is a hardlink to subdirfile and should be identical - */ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <sys/mount.h> -#include <sys/stat.h> -#include <sys/mman.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <fcntl.h> -#include <dirent.h> -#include <errno.h> - -#include <nuttx/ramdisk.h> - -#include "romfs_testdir.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/* Configuration settings */ - -#ifndef CONFIG_EXAMPLES_ROMFS_RAMDEVNO -# define CONFIG_EXAMPLES_ROMFS_RAMDEVNO 1 -#endif - -#ifndef CONFIG_EXAMPLES_ROMFS_SECTORSIZE -# define CONFIG_EXAMPLES_ROMFS_SECTORSIZE 64 -#endif - -#ifndef CONFIG_EXAMPLES_ROMFS_MOUNTPOINT -# define CONFIG_EXAMPLES_ROMFS_MOUNTPOINT "/usr/local/share" -#endif - -#ifdef CONFIG_DISABLE_MOUNTPOINT -# error "Mountpoint support is disabled" -#endif - -#if CONFIG_NFILE_DESCRIPTORS < 4 -# error "Not enough file descriptors" -#endif - -#ifndef CONFIG_FS_ROMFS -# error "ROMFS support not enabled" -#endif - -#define NSECTORS(b) (((b)+CONFIG_EXAMPLES_ROMFS_SECTORSIZE-1)/CONFIG_EXAMPLES_ROMFS_SECTORSIZE) -#define STR_RAMDEVNO(m) #m -#define MKMOUNT_DEVNAME(m) "/dev/ram" STR_RAMDEVNO(m) -#define MOUNT_DEVNAME MKMOUNT_DEVNAME(CONFIG_EXAMPLES_ROMFS_RAMDEVNO) - -#define SCRATCHBUFFER_SIZE 1024 - -/* Test directory stuff */ - -#define WRITABLE_MODE (S_IWOTH|S_IWGRP|S_IWUSR) -#define READABLE_MODE (S_IROTH|S_IRGRP|S_IRUSR) -#define EXECUTABLE_MODE (S_IXOTH|S_IXGRP|S_IXUSR) - -#define DIRECTORY_MODE (S_IFDIR|READABLE_MODE|EXECUTABLE_MODE) -#define FILE_MODE (S_IFREG|READABLE_MODE) - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -struct node_s -{ - struct node_s *peer; /* Next node in this directory */ - bool directory; /* True: directory */ - bool found; /* True: found and verified */ - const char *name; /* Node name */ - mode_t mode; /* Expected permissions */ - size_t size; /* Expected size */ - union - { - const char *filecontent; /* Context of text file */ - struct node_s *child; /* Subdirectory start */ - } u; -}; - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -static const char g_afilecontent[] = "This is a file\n"; -static const char g_anotherfilecontent[] = "This is another file\n"; -static const char g_yafilecontent[] = "This is yet another file\n"; -static const char g_subdirfilecontent[] = "File in subdirectory\n"; - -#define g_hfilecontent g_subdirfilecontent - -static struct node_s g_adir; -static struct node_s g_afile; -static struct node_s g_hfile; - -static struct node_s g_anotherfile; -static struct node_s g_subdir; -static struct node_s g_yafile; - -static struct node_s g_subdirfile; - -static int g_nerrors = 0; - -static char g_scratchbuffer[SCRATCHBUFFER_SIZE]; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: - ****************************************************************************/ - -static void connectem(void) -{ - g_adir.peer = &g_afile; - g_adir.directory = true; - g_adir.found = false; - g_adir.name = "adir"; - g_adir.mode = DIRECTORY_MODE; - g_adir.size = 0; - g_adir.u.child = &g_anotherfile; - - g_afile.peer = &g_hfile; - g_afile.directory = false; - g_afile.found = false; - g_afile.name = "afile.txt"; - g_afile.mode = FILE_MODE; - g_afile.size = strlen(g_afilecontent); - g_afile.u.filecontent = g_afilecontent; - - g_hfile.peer = NULL; - g_hfile.directory = false; /* Actually a hard link */ - g_hfile.found = false; - g_hfile.name = "hfile"; - g_hfile.mode = FILE_MODE; - g_hfile.size = strlen(g_hfilecontent); - g_hfile.u.filecontent = g_hfilecontent; - - g_anotherfile.peer = &g_yafile; - g_anotherfile.directory = false; - g_anotherfile.found = false; - g_anotherfile.name = "anotherfile.txt"; - g_anotherfile.mode = FILE_MODE; - g_anotherfile.size = strlen(g_anotherfilecontent); - g_anotherfile.u.filecontent = g_anotherfilecontent; - - g_yafile.peer = &g_subdir; - g_yafile.directory = false; - g_yafile.found = false; - g_yafile.name = "yafile.txt"; - g_yafile.mode = FILE_MODE; - g_yafile.size = strlen(g_yafilecontent); - g_yafile.u.filecontent = g_yafilecontent; - - g_subdir.peer = NULL; - g_subdir.directory = true; - g_subdir.found = false; - g_subdir.name = "subdir"; - g_subdir.mode = DIRECTORY_MODE; - g_subdir.size = 0; - g_subdir.u.child = &g_subdirfile; - - g_subdirfile.peer = NULL; - g_subdirfile.directory = false; - g_subdirfile.found = false; - g_subdirfile.name = "subdirfile.txt"; - g_subdirfile.mode = FILE_MODE; - g_subdirfile.size = strlen(g_subdirfilecontent); - g_subdirfile.u.filecontent = g_subdirfilecontent; -} - -/**************************************************************************** - * Name: findindirectory - ****************************************************************************/ - -static struct node_s *findindirectory(struct node_s *entry, const char *name) -{ - for (; entry; entry = entry->peer) - { - if (!entry->found && strcmp(entry->name, name) == 0) - { - entry->found = true; - return entry; - } - } - return NULL; -} - -/**************************************************************************** - * Name: checkattributes - ****************************************************************************/ - -static void checkattributes(const char *path, mode_t mode, size_t size) -{ - struct stat buf; - int ret; - - ret = stat(path, &buf); - if (ret != 0) - { - printf(" -- ERROR: Failed to stat %s: %d\n", path, errno); - g_nerrors++; - return; - } - - if (mode != buf.st_mode) - { - printf(" -- ERROR: Expected mode %08x, got %08x\n", mode, buf.st_mode); - g_nerrors++; - } - - if (size != buf.st_size) - { - printf(" -- ERROR: Expected size %d, got %d\n", mode, buf.st_size); - g_nerrors++; - } -} - -/**************************************************************************** - * Name: checkfile - ****************************************************************************/ - -static void checkfile(const char *path, struct node_s *node) -{ - ssize_t nbytesread; - char *filedata; - int fd; - - /* Open the file */ - - fd = open(path, O_RDONLY); - if (fd < 0) - { - printf(" -- ERROR: Failed to open %s: %d\n", path, errno); - g_nerrors++; - return; - } - - /* Read and verify the file contents */ - - nbytesread = read(fd, g_scratchbuffer, SCRATCHBUFFER_SIZE); - if (nbytesread < 0) - { - printf(" -- ERROR: Failed to read from %s: %d\n", path, errno); - g_nerrors++; - } - else if (nbytesread != node->size) - { - printf(" -- ERROR: Read %d bytes, expected %d\n", nbytesread, node->size); - g_nerrors++; - } - else if (memcmp(g_scratchbuffer, node->u.filecontent, node->size) != 0) - { - g_scratchbuffer[nbytesread] = '\0'; - printf(" -- ERROR: File content read does not match expectation:\n"); - printf(" -- Read: [%s]\n", g_scratchbuffer); - printf(" -- Expected: [%s]\n", node->u.filecontent); - g_nerrors++; - } - - /* Memory map and verify the file contents */ - - filedata = (char*)mmap(NULL, node->size, PROT_READ, MAP_SHARED|MAP_FILE, fd, 0); - if (!filedata || filedata == (char*)MAP_FAILED) - { - printf(" -- ERROR: mmap of %s failed: %d\n", path, errno); - g_nerrors++; - } - else - { - if (memcmp(filedata, node->u.filecontent, node->size) != 0) - { - memcpy(g_scratchbuffer, filedata, node->size); - g_scratchbuffer[node->size] = '\0'; - printf(" -- ERROR: Mapped file content read does not match expectation:\n"); - printf(" -- Memory: [%s]\n", filedata); - printf(" -- Expected: [%s]\n", node->u.filecontent); - g_nerrors++; - } - munmap(filedata, node->size); - } - - /* Close the file */ - - if (close(fd) != OK) - { - printf(" -- ERROR: Failed to close %s: %d\n", path, errno); - g_nerrors++; - } -} - -/**************************************************************************** - * Name: readdirectories - ****************************************************************************/ - -static void readdirectories(const char *path, struct node_s *entry) -{ - DIR *dirp; - struct node_s *node; - struct dirent *direntry; - char *fullpath; - - printf("Traversing directory: %s\n", path); - dirp = opendir(path); - if (!dirp) - { - printf(" ERROR opendir(\"%s\") failed: %d\n", path, errno); - g_nerrors++; - return; - } - - for (direntry = readdir(dirp); direntry; direntry = readdir(dirp)) - { - if (strcmp(direntry->d_name, ".") == 0 || strcmp(direntry->d_name, "..") == 0) - { - printf(" Skipping %s\n", direntry->d_name); - continue; - } - - node = findindirectory(entry, direntry->d_name); - if (!node) - { - printf(" ERROR: No node found for %s\n", direntry->d_name); - g_nerrors++; - continue; - } - - /* Get the full path to the entry */ - - sprintf(g_scratchbuffer, "%s/%s", path, direntry->d_name); - fullpath = strdup(g_scratchbuffer); - - if (DIRENT_ISDIRECTORY(direntry->d_type)) - { - printf(" DIRECTORY: %s/\n", fullpath); - if (!node->directory) - { - printf(" -- ERROR: Expected type directory\n"); - g_nerrors++; - } - else - { - checkattributes(fullpath, node->mode, 0); - readdirectories(fullpath, node->u.child); - printf("Continuing directory: %s\n", path); - } - } - else - { - printf(" FILE: %s/\n", fullpath); - if (node->directory) - { - printf(" -- ERROR: Expected type file\n"); - g_nerrors++; - } - else - { - checkattributes(fullpath, node->mode, node->size); - checkfile(fullpath, node); - } - } - free(fullpath); - } - - closedir(dirp); -} - -/**************************************************************************** - * Name: checkdirectories - ****************************************************************************/ - -static void checkdirectories(struct node_s *entry) -{ - for (; entry; entry = entry->peer) - { - if (!entry->found ) - { - printf("ERROR: %s never found\n", entry->name); - g_nerrors++; - } - - if (entry->directory) - { - checkdirectories(entry->u.child); - } - } -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: user_initialize - ****************************************************************************/ - -void user_initialize(void) -{ -} - -/**************************************************************************** - * Name: user_start - ****************************************************************************/ - -int user_start(int argc, char *argv[]) -{ - int ret; - - /* Create a RAM disk for the test */ - - ret = romdisk_register(CONFIG_EXAMPLES_ROMFS_RAMDEVNO, testdir_img, - NSECTORS(testdir_img_len), CONFIG_EXAMPLES_ROMFS_SECTORSIZE); - if (ret < 0) - { - printf("ERROR: Failed to create RAM disk\n"); - return 1; - } - - /* Mount the test file system */ - - printf("Mounting ROMFS filesystem at target=%s with source=%s\n", - CONFIG_EXAMPLES_ROMFS_MOUNTPOINT, MOUNT_DEVNAME); - - ret = mount(MOUNT_DEVNAME, CONFIG_EXAMPLES_ROMFS_MOUNTPOINT, "romfs", MS_RDONLY, NULL); - if (ret < 0) - { - printf("ERROR: Mount failed: %d\n", errno); - return 1; - } - - /* Perform the test */ - - connectem(); - readdirectories(CONFIG_EXAMPLES_ROMFS_MOUNTPOINT, &g_adir); - checkdirectories(&g_adir); - - if (g_nerrors) - { - printf("Finished with %d errors\n", g_nerrors); - return g_nerrors; - } - - printf("PASSED\n"); - return 0; -} |