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-rw-r--r--apps/examples/romfs/romfs_main.c498
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diff --git a/apps/examples/romfs/romfs_main.c b/apps/examples/romfs/romfs_main.c
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-/****************************************************************************
- * examples/romfs/romfs_main.c
- *
- * Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * 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: romfs_main
- ****************************************************************************/
-
-int romfs_main(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;
-}
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