3 files changed, 191 insertions(+), 0 deletions(-)

A file-browser/include/device_mount.h
A file-browser/include/extern_file_access.h
A file-browser/src/extern_file_access.c

@@ 0,0 1,12 @@
+#ifndef __MOUNT_UTILS_H__
+#define __MOUNT_UTILS_H__
+
+#include <sys/mount.h>
+#include "file_access.h"
+
+file_operation_error_t device_mount(char *device, char *target);
+file_operation_error_t device_umount(char *device, char *target);
+
+char *device_mount_get_filesystem(char *device);
+
+#endif // __MOUNT_UTILS_H__

@@ 0,0 1,31 @@
+#ifndef __EXTERN_FILE_ACCESS_H__
+#define __EXTERN_FILE_ACCESS_H__
+
+#include "file_access.h"
+
+fileaccess_state_t extern_fileaccess_init_state(void *data);
+bool extern_fileaccess_deinit_state(fileaccess_state_t state);
+
+directory_or_error_t extern_fileaccess_directory_list(fileaccess_state_t state,
+                                                     char *path);
+directory_or_error_t extern_fileaccess_root_list(fileaccess_state_t state);
+
+directory_or_error_t extern_fileaccess_directory_create(fileaccess_state_t state,
+                                                       char *path);
+file_operation_error_t
+extern_fileaccess_directory_delete(fileaccess_state_t state, char *path);
+
+file_operation_error_t
+extern_fileaccess_directory_close(fileaccess_state_t state,
+                                 directory_t *directory);
+
+file_operation_error_t
+extern_fileaccess_file_get_mime_type(fileaccess_state_t state, file_t *file,
+                                    char *mime);
+executing_file_or_error_t
+extern_fileaccess_file_execute(fileaccess_state_t state, file_t *file,
+                              char *args);
+file_operation_error_t extern_fileaccess_file_delete(fileaccess_state_t state,
+                                                    char *path);
+
+#endif __EXTERN_FILE_ACCESS_H__

@@ 0,0 1,148 @@
+#include "extern_file_access.h"
+#include "device_mount.h"
+#include "local_file_access.h"
+#include <stdlib.h>
+#include <string.h>
+
+static bool extern_fileaccess_check_mount(fileaccess_state_t state) {
+  return true;
+}
+
+fileaccess_state_t extern_fileaccess_init_state(void *data) {
+  size_t device_length = strlen(data);
+
+  extern_fileaccess_state_t externstate = {.path = "/mnt/file_browser_device",
+                                           .mount_device = NULL,
+                                           .mounted = false,
+                                           .error = FILOPER_SUCCESS};
+
+  char *malloced = malloc(sizeof(char) * (device_length + 1));
+  if (malloced == NULL) {
+    externstate.error = FILOPER_UNKNOWN;
+  } else {
+    strcpy(malloced, data);
+    externstate.mount_device = malloced;
+  }
+
+  externstate.error = device_mount(externstate.mount_device, externstate.path);
+
+  fileaccess_state_t state = {
+      .fileaccess = &extern_file_access,
+      .payload.exter = externstate,
+  };
+
+  return state;
+}
+
+bool extern_fileaccess_deinit_state(fileaccess_state_t state) {
+  // unmount
+  state.payload.exter.error =
+      device_umount(state.payload.exter.mount_device, state.payload.exter.path);
+  free(state.payload.exter.mount_device);
+
+  return true;
+}
+
+directory_or_error_t extern_fileaccess_directory_list(fileaccess_state_t state,
+                                                      char *path) {
+  if (!extern_fileaccess_check_mount(state)) {
+    directory_or_error_t error = {.error = true,
+                                  .payload.error = FILOPER_UNKNOWN};
+
+    return error;
+  }
+
+  return local_fileaccess_directory_list(state, path);
+}
+
+directory_or_error_t extern_fileaccess_root_list(fileaccess_state_t state) {
+  if (!extern_fileaccess_check_mount(state)) {
+    directory_or_error_t error = {.error = true,
+                                  .payload.error = FILOPER_UNKNOWN};
+
+    return error;
+  }
+
+  return local_fileaccess_root_list(state);
+}
+
+directory_or_error_t
+extern_fileaccess_directory_create(fileaccess_state_t state, char *path) {
+  if (!extern_fileaccess_check_mount(state)) {
+    directory_or_error_t error = {.error = true,
+                                  .payload.error = FILOPER_UNKNOWN};
+
+    return error;
+  }
+
+  return local_fileaccess_directory_create(state, path);
+}
+
+file_operation_error_t
+extern_fileaccess_directory_delete(fileaccess_state_t state, char *path) {
+  if (!extern_fileaccess_check_mount(state)) {
+    return FILOPER_UNKNOWN;
+  }
+
+  return local_fileaccess_directory_delete(state, path);
+}
+
+file_operation_error_t
+extern_fileaccess_directory_close(fileaccess_state_t state,
+                                  directory_t *directory) {
+  if (!extern_fileaccess_check_mount(state)) {
+    return FILOPER_UNKNOWN;
+  }
+
+  return local_fileaccess_directory_close(state, directory);
+}
+
+file_operation_error_t
+extern_fileaccess_file_get_mime_type(fileaccess_state_t state, file_t *file,
+                                     char *mime) {
+  if (!extern_fileaccess_check_mount(state)) {
+    return FILOPER_UNKNOWN;
+  }
+
+  return local_fileaccess_file_get_mime_type(state, file, mime);
+}
+
+executing_file_or_error_t
+extern_fileaccess_file_execute(fileaccess_state_t state, file_t *file,
+                               char *args) {
+  if (!extern_fileaccess_check_mount(state)) {
+    executing_file_or_error_t error = {.error = true,
+                                       .payload.error = FILOPER_UNKNOWN};
+
+    return error;
+  }
+
+  return local_fileaccess_file_execute(state, file, args);
+}
+
+file_operation_error_t extern_fileaccess_file_delete(fileaccess_state_t state,
+                                                     char *path) {
+  if (!extern_fileaccess_check_mount(state)) {
+    return FILOPER_UNKNOWN;
+  }
+
+  return local_fileaccess_file_delete(state, path);
+}
+
+const fileaccess_t temp_file_access = {
+    .type = FA_EXTERN,
+    .init = extern_fileaccess_init_state,
+    .deinit = extern_fileaccess_deinit_state,
+
+    .delete_file = extern_fileaccess_file_delete,
+    .execute_file = extern_fileaccess_file_execute,
+    .get_mime_type = extern_fileaccess_file_get_mime_type,
+
+    .list_directory = extern_fileaccess_directory_list,
+    .close_directory = extern_fileaccess_directory_close,
+    .create_directory = extern_fileaccess_directory_create,
+    .delete_directory = extern_fileaccess_directory_delete,
+
+    .list_root = extern_fileaccess_root_list,
+
+};