*/
#include "config.h"
+#ifdef HAVE_SPLICE
+#define _GNU_SOURCE
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#endif
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_PWD_H
#include "gfile.h"
#include "gvfs.h"
#include "gioscheduler.h"
-#include "glocalfile.h"
#include "gsimpleasyncresult.h"
#include "gfileattribute-priv.h"
+#include "gfiledescriptorbased.h"
#include "gpollfilemonitor.h"
#include "gappinfo.h"
#include "gfileinputstream.h"
* take a very long time to finish, and blocking may leave an application
* unusable. Notable cases include:
* g_file_mount_mountable() to mount a mountable file.
- * g_file_unmount_mountable() to unmount a mountable file.
- * g_file_eject_mountable() to eject a mountable file.
+ * g_file_unmount_mountable_with_operation() to unmount a mountable file.
+ * g_file_eject_mountable_with_operation() to eject a mountable file.
*
* <para id="gfile-etag"><indexterm><primary>entity tag</primary></indexterm>
* One notable feature of #GFile<!-- -->s are entity tags, or "etags" for
* </para>
**/
-static void g_file_base_init (gpointer g_class);
-static void g_file_class_init (gpointer g_class,
- gpointer class_data);
-
static void g_file_real_query_info_async (GFile *file,
const char *attributes,
GFileQueryInfoFlags flags,
static GFileOutputStream *g_file_real_replace_finish (GFile *file,
GAsyncResult *res,
GError **error);
+static void g_file_real_open_readwrite_async (GFile *file,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+static GFileIOStream * g_file_real_open_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error);
+static void g_file_real_create_readwrite_async (GFile *file,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+static GFileIOStream * g_file_real_create_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error);
+static void g_file_real_replace_readwrite_async (GFile *file,
+ const char *etag,
+ gboolean make_backup,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+static GFileIOStream * g_file_real_replace_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error);
static gboolean g_file_real_set_attributes_from_info (GFile *file,
GFileInfo *info,
GFileQueryInfoFlags flags,
GAsyncResult *res,
GError **error);
-GType
-g_file_get_type (void)
-{
- static volatile gsize g_define_type_id__volatile = 0;
-
- if (g_once_init_enter (&g_define_type_id__volatile))
- {
- const GTypeInfo file_info =
- {
- sizeof (GFileIface), /* class_size */
- g_file_base_init, /* base_init */
- NULL, /* base_finalize */
- g_file_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- 0,
- 0, /* n_preallocs */
- NULL
- };
- GType g_define_type_id =
- g_type_register_static (G_TYPE_INTERFACE, I_("GFile"),
- &file_info, 0);
-
- g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
-
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
- }
-
- return g_define_type_id__volatile;
-}
+typedef GFileIface GFileInterface;
+G_DEFINE_INTERFACE (GFile, g_file, G_TYPE_OBJECT)
static void
-g_file_class_init (gpointer g_class,
- gpointer class_data)
+g_file_default_init (GFileIface *iface)
{
- GFileIface *iface = g_class;
-
iface->enumerate_children_async = g_file_real_enumerate_children_async;
iface->enumerate_children_finish = g_file_real_enumerate_children_finish;
iface->set_display_name_async = g_file_real_set_display_name_async;
iface->create_finish = g_file_real_create_finish;
iface->replace_async = g_file_real_replace_async;
iface->replace_finish = g_file_real_replace_finish;
+ iface->open_readwrite_async = g_file_real_open_readwrite_async;
+ iface->open_readwrite_finish = g_file_real_open_readwrite_finish;
+ iface->create_readwrite_async = g_file_real_create_readwrite_async;
+ iface->create_readwrite_finish = g_file_real_create_readwrite_finish;
+ iface->replace_readwrite_async = g_file_real_replace_readwrite_async;
+ iface->replace_readwrite_finish = g_file_real_replace_readwrite_finish;
iface->find_enclosing_mount_async = g_file_real_find_enclosing_mount_async;
iface->find_enclosing_mount_finish = g_file_real_find_enclosing_mount_finish;
iface->set_attributes_from_info = g_file_real_set_attributes_from_info;
iface->copy_finish = g_file_real_copy_finish;
}
-static void
-g_file_base_init (gpointer g_class)
-{
-}
-
/**
* g_file_is_native:
}
/**
+ * g_file_has_parent:
+ * @file: input #GFile
+ * @parent: the parent to check for, or %NULL
+ *
+ * Checks if @file has a parent, and optionally, if it is @parent.
+ *
+ * If @parent is %NULL then this function returns %TRUE if @file has any
+ * parent at all. If @parent is non-%NULL then %TRUE is only returned
+ * if @file is a child of @parent.
+ *
+ * Returns: %TRUE if @file is a child of @parent (or any parent in the
+ * case that @parent is %NULL).
+ *
+ * Since: 2.24
+ **/
+gboolean
+g_file_has_parent (GFile *file,
+ GFile *parent)
+{
+ GFile *actual_parent;
+ gboolean result;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+ g_return_val_if_fail (parent == NULL || G_IS_FILE (parent), FALSE);
+
+ actual_parent = g_file_get_parent (file);
+
+ if (actual_parent != NULL)
+ {
+ if (parent != NULL)
+ result = g_file_equal (parent, actual_parent);
+ else
+ result = TRUE;
+
+ g_object_unref (actual_parent);
+ }
+ else
+ result = FALSE;
+
+ return result;
+}
+
+/**
* g_file_get_child:
* @file: input #GFile.
* @name: string containing the child's basename.
*
* Checks whether @file has the prefix specified by @prefix. In other word,
* if the names of inital elements of @file<!-- -->s pathname match @prefix.
+ * Only full pathname elements are matched, so a path like /foo is not
+ * considered a prefix of /foobar, only of /foo/bar.
*
* This call does no i/o, as it works purely on names. As such it can
* sometimes return %FALSE even if @file is inside a @prefix (from a
}
/**
+ * g_file_open_readwrite:
+ * @file: #GFile to open
+ * @cancellable: a #GCancellable
+ * @error: a #GError, or %NULL
+ *
+ * Opens an existing file for reading and writing. The result is
+ * a #GFileIOStream that can be used to read and write the contents of the file.
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * If the file does not exist, the G_IO_ERROR_NOT_FOUND error will be returned.
+ * If the file is a directory, the G_IO_ERROR_IS_DIRECTORY error will be returned.
+ * Other errors are possible too, and depend on what kind of filesystem the file is on.
+ * Note that in many non-local file cases read and write streams are not supported,
+ * so make sure you really need to do read and write streaming, rather than
+ * just opening for reading or writing.
+ *
+ * Returns: #GFileIOStream or %NULL on error.
+ * Free the returned object with g_object_unref().
+ *
+ * Since: 2.22
+ **/
+GFileIOStream *
+g_file_open_readwrite (GFile *file,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+
+ if (g_cancellable_set_error_if_cancelled (cancellable, error))
+ return NULL;
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->open_readwrite == NULL)
+ {
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return NULL;
+ }
+
+ return (* iface->open_readwrite) (file, cancellable, error);
+}
+
+/**
+ * g_file_create_readwrite:
+ * @file: a #GFile
+ * @flags: a set of #GFileCreateFlags
+ * @cancellable: optional #GCancellable object, %NULL to ignore
+ * @error: return location for a #GError, or %NULL
+ *
+ * Creates a new file and returns a stream for reading and writing to it.
+ * The file must not already exist.
+ *
+ * By default files created are generally readable by everyone,
+ * but if you pass #G_FILE_CREATE_PRIVATE in @flags the file
+ * will be made readable only to the current user, to the level that
+ * is supported on the target filesystem.
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * If a file or directory with this name already exists the %G_IO_ERROR_EXISTS
+ * error will be returned. Some file systems don't allow all file names,
+ * and may return an %G_IO_ERROR_INVALID_FILENAME error, and if the name
+ * is too long, %G_IO_ERROR_FILENAME_TOO_LONG will be returned. Other errors
+ * are possible too, and depend on what kind of filesystem the file is on.
+ *
+ * Note that in many non-local file cases read and write streams are not
+ * supported, so make sure you really need to do read and write streaming,
+ * rather than just opening for reading or writing.
+ *
+ * Returns: a #GFileIOStream for the newly created file, or %NULL on error.
+ * Free the returned object with g_object_unref().
+ *
+ * Since: 2.22
+ */
+GFileIOStream *
+g_file_create_readwrite (GFile *file,
+ GFileCreateFlags flags,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+
+ if (g_cancellable_set_error_if_cancelled (cancellable, error))
+ return NULL;
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->create_readwrite == NULL)
+ {
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return NULL;
+ }
+
+ return (* iface->create_readwrite) (file, flags, cancellable, error);
+}
+
+/**
+ * g_file_replace_readwrite:
+ * @file: a #GFile
+ * @etag: an optional <link linkend="gfile-etag">entity tag</link> for the
+ * current #GFile, or #NULL to ignore
+ * @make_backup: %TRUE if a backup should be created
+ * @flags: a set of #GFileCreateFlags
+ * @cancellable: optional #GCancellable object, %NULL to ignore
+ * @error: return location for a #GError, or %NULL
+ *
+ * Returns an output stream for overwriting the file in readwrite mode,
+ * possibly creating a backup copy of the file first. If the file doesn't
+ * exist, it will be created.
+ *
+ * For details about the behaviour, see g_file_replace() which does the same
+ * thing but returns an output stream only.
+ *
+ * Note that in many non-local file cases read and write streams are not
+ * supported, so make sure you really need to do read and write streaming,
+ * rather than just opening for reading or writing.
+ *
+ * Returns: a #GFileIOStream or %NULL on error.
+ * Free the returned object with g_object_unref().
+ *
+ * Since: 2.22
+ */
+GFileIOStream *
+g_file_replace_readwrite (GFile *file,
+ const char *etag,
+ gboolean make_backup,
+ GFileCreateFlags flags,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+
+ if (g_cancellable_set_error_if_cancelled (cancellable, error))
+ return NULL;
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->replace_readwrite == NULL)
+ {
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return NULL;
+ }
+
+ return (* iface->replace_readwrite) (file, etag, make_backup, flags, cancellable, error);
+}
+
+/**
* g_file_read_async:
- * @file: input #GFile.
- * @io_priority: the <link linkend="io-priority">I/O priority</link>
- * of the request.
+ * @file: input #GFile
+ * @io_priority: the <link linkend="io-priority">I/O priority</link>
+ * of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied
* @user_data: the data to pass to callback function
if (g_simple_async_result_propagate_error (simple, error))
return NULL;
}
-
+
iface = G_FILE_GET_IFACE (file);
return (* iface->replace_finish) (file, res, error);
}
-static gboolean
-copy_symlink (GFile *destination,
- GFileCopyFlags flags,
- GCancellable *cancellable,
- const char *target,
- GError **error)
+
+/**
+ * g_file_open_readwrite_async:
+ * @file: input #GFile.
+ * @io_priority: the <link linkend="io-priority">I/O priority</link>
+ * of the request.
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: the data to pass to callback function
+ *
+ * Asynchronously opens @file for reading and writing.
+ *
+ * For more details, see g_file_open_readwrite() which is
+ * the synchronous version of this call.
+ *
+ * When the operation is finished, @callback will be called. You can then call
+ * g_file_open_readwrite_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ **/
+void
+g_file_open_readwrite_async (GFile *file,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
{
- GError *my_error;
- gboolean tried_delete;
- GFileInfo *info;
- GFileType file_type;
+ GFileIface *iface;
- tried_delete = FALSE;
+ g_return_if_fail (G_IS_FILE (file));
- retry:
- my_error = NULL;
- if (!g_file_make_symbolic_link (destination, target, cancellable, &my_error))
- {
- /* Maybe it already existed, and we want to overwrite? */
- if (!tried_delete && (flags & G_FILE_COPY_OVERWRITE) &&
- my_error->domain == G_IO_ERROR && my_error->code == G_IO_ERROR_EXISTS)
- {
- g_error_free (my_error);
+ iface = G_FILE_GET_IFACE (file);
+ (* iface->open_readwrite_async) (file,
+ io_priority,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_open_readwrite_finish:
+ * @file: input #GFile.
+ * @res: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes an asynchronous file read operation started with
+ * g_file_open_readwrite_async().
+ *
+ * Returns: a #GFileIOStream or %NULL on error.
+ * Free the returned object with g_object_unref().
+ *
+ * Since: 2.22
+ **/
+GFileIOStream *
+g_file_open_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
+{
+ GFileIface *iface;
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (res), NULL);
- /* Don't overwrite if the destination is a directory */
- info = g_file_query_info (destination, G_FILE_ATTRIBUTE_STANDARD_TYPE,
- G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
- cancellable, &my_error);
- if (info != NULL)
- {
- file_type = g_file_info_get_file_type (info);
- g_object_unref (info);
-
- if (file_type == G_FILE_TYPE_DIRECTORY)
- {
- g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_IS_DIRECTORY,
- _("Can't copy over directory"));
- return FALSE;
- }
- }
-
- if (!g_file_delete (destination, cancellable, error))
- return FALSE;
-
- tried_delete = TRUE;
- goto retry;
- }
- /* Nah, fail */
- g_propagate_error (error, my_error);
- return FALSE;
+ if (G_IS_SIMPLE_ASYNC_RESULT (res))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return NULL;
}
- return TRUE;
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->open_readwrite_finish) (file, res, error);
}
-static GInputStream *
-open_source_for_copy (GFile *source,
- GFile *destination,
- GFileCopyFlags flags,
- GCancellable *cancellable,
- GError **error)
-{
- GError *my_error;
- GInputStream *in;
- GFileInfo *info;
- GFileType file_type;
-
- my_error = NULL;
- in = (GInputStream *)g_file_read (source, cancellable, &my_error);
- if (in != NULL)
- return in;
-
- /* There was an error opening the source, try to set a good error for it: */
- if (my_error->domain == G_IO_ERROR && my_error->code == G_IO_ERROR_IS_DIRECTORY)
- {
- /* The source is a directory, don't fail with WOULD_RECURSE immediately,
- * as that is less useful to the app. Better check for errors on the
- * target instead.
- */
- g_error_free (my_error);
+/**
+ * g_file_create_readwrite_async:
+ * @file: input #GFile
+ * @flags: a set of #GFileCreateFlags
+ * @io_priority: the <link linkend="io-priority">I/O priority</link>
+ * of the request
+ * @cancellable: optional #GCancellable object, %NULL to ignore
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: the data to pass to callback function
+ *
+ * Asynchronously creates a new file and returns a stream for reading and
+ * writing to it. The file must not already exist.
+ *
+ * For more details, see g_file_create_readwrite() which is
+ * the synchronous version of this call.
+ *
+ * When the operation is finished, @callback will be called. You can then
+ * call g_file_create_readwrite_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ */
+void
+g_file_create_readwrite_async (GFile *file,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+ (* iface->create_readwrite_async) (file,
+ flags,
+ io_priority,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_create_readwrite_finish:
+ * @file: input #GFile
+ * @res: a #GAsyncResult
+ * @error: a #GError, or %NULL
+ *
+ * Finishes an asynchronous file create operation started with
+ * g_file_create_readwrite_async().
+ *
+ * Returns: a #GFileIOStream or %NULL on error.
+ * Free the returned object with g_object_unref().
+ *
+ * Since: 2.22
+ **/
+GFileIOStream *
+g_file_create_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (res), NULL);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (res))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return NULL;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->create_readwrite_finish) (file, res, error);
+}
+
+/**
+ * g_file_replace_readwrite_async:
+ * @file: input #GFile.
+ * @etag: an <link linkend="gfile-etag">entity tag</link> for the
+ * current #GFile, or NULL to ignore.
+ * @make_backup: %TRUE if a backup should be created.
+ * @flags: a set of #GFileCreateFlags.
+ * @io_priority: the <link linkend="io-priority">I/O priority</link>
+ * of the request.
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: the data to pass to callback function
+ *
+ * Asynchronously overwrites the file in read-write mode, replacing the
+ * contents, possibly creating a backup copy of the file first.
+ *
+ * For more details, see g_file_replace_readwrite() which is
+ * the synchronous version of this call.
+ *
+ * When the operation is finished, @callback will be called. You can then
+ * call g_file_replace_readwrite_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ */
+void
+g_file_replace_readwrite_async (GFile *file,
+ const char *etag,
+ gboolean make_backup,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+ (* iface->replace_readwrite_async) (file,
+ etag,
+ make_backup,
+ flags,
+ io_priority,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_replace_readwrite_finish:
+ * @file: input #GFile.
+ * @res: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes an asynchronous file replace operation started with
+ * g_file_replace_readwrite_async().
+ *
+ * Returns: a #GFileIOStream, or %NULL on error.
+ * Free the returned object with g_object_unref().
+ *
+ * Since: 2.22
+ */
+GFileIOStream *
+g_file_replace_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (res), NULL);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (res))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return NULL;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->replace_readwrite_finish) (file, res, error);
+}
+
+static gboolean
+copy_symlink (GFile *destination,
+ GFileCopyFlags flags,
+ GCancellable *cancellable,
+ const char *target,
+ GError **error)
+{
+ GError *my_error;
+ gboolean tried_delete;
+ GFileInfo *info;
+ GFileType file_type;
+
+ tried_delete = FALSE;
+
+ retry:
+ my_error = NULL;
+ if (!g_file_make_symbolic_link (destination, target, cancellable, &my_error))
+ {
+ /* Maybe it already existed, and we want to overwrite? */
+ if (!tried_delete && (flags & G_FILE_COPY_OVERWRITE) &&
+ my_error->domain == G_IO_ERROR && my_error->code == G_IO_ERROR_EXISTS)
+ {
+ g_error_free (my_error);
+
+
+ /* Don't overwrite if the destination is a directory */
+ info = g_file_query_info (destination, G_FILE_ATTRIBUTE_STANDARD_TYPE,
+ G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+ cancellable, &my_error);
+ if (info != NULL)
+ {
+ file_type = g_file_info_get_file_type (info);
+ g_object_unref (info);
+
+ if (file_type == G_FILE_TYPE_DIRECTORY)
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_IS_DIRECTORY,
+ _("Can't copy over directory"));
+ return FALSE;
+ }
+ }
+
+ if (!g_file_delete (destination, cancellable, error))
+ return FALSE;
+
+ tried_delete = TRUE;
+ goto retry;
+ }
+ /* Nah, fail */
+ g_propagate_error (error, my_error);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static GInputStream *
+open_source_for_copy (GFile *source,
+ GFile *destination,
+ GFileCopyFlags flags,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GError *my_error;
+ GInputStream *in;
+ GFileInfo *info;
+ GFileType file_type;
+
+ my_error = NULL;
+ in = (GInputStream *)g_file_read (source, cancellable, &my_error);
+ if (in != NULL)
+ return in;
+
+ /* There was an error opening the source, try to set a good error for it: */
+
+ if (my_error->domain == G_IO_ERROR && my_error->code == G_IO_ERROR_IS_DIRECTORY)
+ {
+ /* The source is a directory, don't fail with WOULD_RECURSE immediately,
+ * as that is less useful to the app. Better check for errors on the
+ * target instead.
+ */
+ g_error_free (my_error);
my_error = NULL;
info = g_file_query_info (destination, G_FILE_ATTRIBUTE_STANDARD_TYPE,
g_string_append_c (s, ',');
g_string_append (s, namespaces->infos[i].name);
- g_string_append (s, ":*");
+ g_string_append (s, "::*");
}
}
}
return res;
}
-/* Closes the streams */
static gboolean
copy_stream_with_progress (GInputStream *in,
GOutputStream *out,
GFileInfo *info;
total_size = -1;
- info = g_file_input_stream_query_info (G_FILE_INPUT_STREAM (in),
- G_FILE_ATTRIBUTE_STANDARD_SIZE,
- cancellable, NULL);
- if (info)
- {
- if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_SIZE))
- total_size = g_file_info_get_size (info);
- g_object_unref (info);
- }
-
- if (total_size == -1)
+ /* avoid performance impact of querying total size when it's not needed */
+ if (progress_callback)
{
- info = g_file_query_info (source,
- G_FILE_ATTRIBUTE_STANDARD_SIZE,
- G_FILE_QUERY_INFO_NONE,
- cancellable, NULL);
+ info = g_file_input_stream_query_info (G_FILE_INPUT_STREAM (in),
+ G_FILE_ATTRIBUTE_STANDARD_SIZE,
+ cancellable, NULL);
if (info)
{
if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_SIZE))
total_size = g_file_info_get_size (info);
g_object_unref (info);
}
+
+ if (total_size == -1)
+ {
+ info = g_file_query_info (source,
+ G_FILE_ATTRIBUTE_STANDARD_SIZE,
+ G_FILE_QUERY_INFO_NONE,
+ cancellable, NULL);
+ if (info)
+ {
+ if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_SIZE))
+ total_size = g_file_info_get_size (info);
+ g_object_unref (info);
+ }
+ }
}
if (total_size == -1)
progress_callback (current_size, total_size, progress_callback_data);
}
- if (!res)
- error = NULL; /* Ignore further errors */
-
/* Make sure we send full copied size */
if (progress_callback)
progress_callback (current_size, total_size, progress_callback_data);
-
- /* Don't care about errors in source here */
- g_input_stream_close (in, cancellable, NULL);
- /* But write errors on close are bad! */
- if (!g_output_stream_close (out, cancellable, error))
- res = FALSE;
+ return res;
+}
+
+#ifdef HAVE_SPLICE
+
+static gboolean
+do_splice (int fd_in,
+ loff_t *off_in,
+ int fd_out,
+ loff_t *off_out,
+ size_t len,
+ long *bytes_transferd,
+ GError **error)
+{
+ long result;
+
+retry:
+ result = splice (fd_in, off_in, fd_out, off_out, len, SPLICE_F_MORE);
+
+ if (result == -1)
+ {
+ int errsv = errno;
+
+ if (errsv == EINTR)
+ goto retry;
+ else if (errsv == ENOSYS || errsv == EINVAL)
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("Splice not supported"));
+ else
+ g_set_error (error, G_IO_ERROR,
+ g_io_error_from_errno (errsv),
+ _("Error splicing file: %s"),
+ g_strerror (errsv));
+
+ return FALSE;
+ }
+
+ *bytes_transferd = result;
+ return TRUE;
+}
+
+static gboolean
+splice_stream_with_progress (GInputStream *in,
+ GOutputStream *out,
+ GCancellable *cancellable,
+ GFileProgressCallback progress_callback,
+ gpointer progress_callback_data,
+ GError **error)
+{
+ int buffer[2];
+ gboolean res;
+ goffset total_size;
+ loff_t offset_in;
+ loff_t offset_out;
+ int fd_in, fd_out;
+
+ fd_in = g_file_descriptor_based_get_fd (G_FILE_DESCRIPTOR_BASED (in));
+ fd_out = g_file_descriptor_based_get_fd (G_FILE_DESCRIPTOR_BASED (out));
+
+ if (pipe (buffer) != 0)
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ "Pipe creation failed");
+ return FALSE;
+ }
+
+ total_size = -1;
+ /* avoid performance impact of querying total size when it's not needed */
+ if (progress_callback)
+ {
+ struct stat sbuf;
+
+ if (fstat (fd_in, &sbuf) == 0)
+ total_size = sbuf.st_size;
+ }
+
+ if (total_size == -1)
+ total_size = 0;
+
+ offset_in = offset_out = 0;
+ res = FALSE;
+ while (TRUE)
+ {
+ long n_read;
+ long n_written;
+
+ if (g_cancellable_set_error_if_cancelled (cancellable, error))
+ break;
+
+ if (!do_splice (fd_in, &offset_in, buffer[1], NULL, 1024*64, &n_read, error))
+ break;
+
+ if (n_read == 0)
+ {
+ res = TRUE;
+ break;
+ }
+
+ while (n_read > 0)
+ {
+ if (g_cancellable_set_error_if_cancelled (cancellable, error))
+ goto out;
+
+ if (!do_splice (buffer[0], NULL, fd_out, &offset_out, n_read, &n_written, error))
+ goto out;
+
+ n_read -= n_written;
+ }
+
+ if (progress_callback)
+ progress_callback (offset_in, total_size, progress_callback_data);
+ }
+
+ /* Make sure we send full copied size */
+ if (progress_callback)
+ progress_callback (offset_in, total_size, progress_callback_data);
+
+ out:
+ close (buffer[0]);
+ close (buffer[1]);
- g_object_unref (in);
- g_object_unref (out);
-
return res;
}
+#endif
static gboolean
file_copy_fallback (GFile *source,
GOutputStream *out;
GFileInfo *info;
const char *target;
+ gboolean result;
+#ifdef HAVE_SPLICE
+ gboolean fallback = TRUE;
+#endif
+
+ /* need to know the file type */
+ info = g_file_query_info (source,
+ G_FILE_ATTRIBUTE_STANDARD_TYPE "," G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
+ G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+ cancellable,
+ error);
+
+ if (info == NULL)
+ return FALSE;
/* Maybe copy the symlink? */
- if (flags & G_FILE_COPY_NOFOLLOW_SYMLINKS)
+ if ((flags & G_FILE_COPY_NOFOLLOW_SYMLINKS) &&
+ g_file_info_get_file_type (info) == G_FILE_TYPE_SYMBOLIC_LINK)
{
- info = g_file_query_info (source,
- G_FILE_ATTRIBUTE_STANDARD_TYPE "," G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
- G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
- cancellable,
- error);
- if (info == NULL)
- return FALSE;
-
- if (g_file_info_get_file_type (info) == G_FILE_TYPE_SYMBOLIC_LINK &&
- (target = g_file_info_get_symlink_target (info)) != NULL)
+ target = g_file_info_get_symlink_target (info);
+ if (target)
{
if (!copy_symlink (destination, flags, cancellable, target, error))
{
g_object_unref (info);
goto copied_file;
}
-
+ /* ... else fall back on a regular file copy */
+ g_object_unref (info);
+ }
+ /* Handle "special" files (pipes, device nodes, ...)? */
+ else if (g_file_info_get_file_type (info) == G_FILE_TYPE_SPECIAL)
+ {
+ /* FIXME: could try to recreate device nodes and others? */
+
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("Can't copy special file"));
g_object_unref (info);
+ return FALSE;
}
-
+ /* Everything else should just fall back on a regular copy. */
+ else
+ g_object_unref (info);
+
in = open_source_for_copy (source, destination, flags, cancellable, error);
if (in == NULL)
return FALSE;
out = (GOutputStream *)g_file_replace (destination,
NULL,
flags & G_FILE_COPY_BACKUP,
- 0,
+ G_FILE_CREATE_REPLACE_DESTINATION,
cancellable, error);
}
else
return FALSE;
}
- if (!copy_stream_with_progress (in, out, source, cancellable,
- progress_callback, progress_callback_data,
- error))
+#ifdef HAVE_SPLICE
+ if (G_IS_FILE_DESCRIPTOR_BASED (in) && G_IS_FILE_DESCRIPTOR_BASED (out))
+ {
+ GError *splice_err = NULL;
+
+ result = splice_stream_with_progress (in, out, cancellable,
+ progress_callback, progress_callback_data,
+ &splice_err);
+
+ if (result || !g_error_matches (splice_err, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
+ {
+ fallback = FALSE;
+ if (!result)
+ g_propagate_error (error, splice_err);
+ }
+ else
+ g_clear_error (&splice_err);
+ }
+
+ if (fallback)
+#endif
+ result = copy_stream_with_progress (in, out, source, cancellable,
+ progress_callback, progress_callback_data,
+ error);
+
+ /* Don't care about errors in source here */
+ g_input_stream_close (in, cancellable, NULL);
+
+ /* But write errors on close are bad! */
+ if (!g_output_stream_close (out, cancellable, result ? error : NULL))
+ result = FALSE;
+
+ g_object_unref (in);
+ g_object_unref (out);
+
+ if (result == FALSE)
return FALSE;
copied_file:
-
/* Ignore errors here. Failure to copy metadata is not a hard error */
g_file_copy_attributes (source, destination,
flags, cancellable, NULL);
/**
* g_file_make_symbolic_link:
- * @file: input #GFile.
- * @symlink_value: a string with the value of the new symlink.
+ * @file: a #GFile with the name of the symlink to create
+ * @symlink_value: a string with the path for the target of the new symlink
* @cancellable: optional #GCancellable object, %NULL to ignore.
- * @error: a #GError.
- *
- * Creates a symbolic link.
+ * @error: a #GError.
+ *
+ * Creates a symbolic link named @file which contains the string
+ * @symlink_value.
*
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
- * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
- *
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
* Returns: %TRUE on the creation of a new symlink, %FALSE otherwise.
- **/
+ */
gboolean
g_file_make_symbolic_link (GFile *file,
const char *symlink_value,
*
* Asynchronously sets the display name for a given #GFile.
*
- * For more details, see g_set_display_name() which is
+ * For more details, see g_file_set_display_name() which is
* the synchronous version of this call.
*
* When the operation is finished, @callback will be called. You can then call
*
* When the operation is finished, @callback will be called. You can then call
* g_file_unmount_mountable_finish() to get the result of the operation.
+ *
+ * Deprecated: 2.22: Use g_file_unmount_mountable_with_operation() instead.
**/
void
g_file_unmount_mountable (GFile *file,
*
* Returns: %TRUE if the operation finished successfully. %FALSE
* otherwise.
+ *
+ * Deprecated: 2.22: Use g_file_unmount_mountable_with_operation_finish() instead.
**/
gboolean
g_file_unmount_mountable_finish (GFile *file,
}
iface = G_FILE_GET_IFACE (file);
- return (* iface->unmount_mountable_finish) (file, result, error);
+ return (* iface->unmount_mountable_finish) (file, result, error);
+}
+
+/**
+ * g_file_unmount_mountable_with_operation:
+ * @file: input #GFile.
+ * @flags: flags affecting the operation
+ * @mount_operation: a #GMountOperation, or %NULL to avoid user interaction.
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
+ * @user_data: the data to pass to callback function
+ *
+ * Unmounts a file of type G_FILE_TYPE_MOUNTABLE.
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * When the operation is finished, @callback will be called. You can then call
+ * g_file_unmount_mountable_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ **/
+void
+g_file_unmount_mountable_with_operation (GFile *file,
+ GMountUnmountFlags flags,
+ GMountOperation *mount_operation,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->unmount_mountable == NULL && iface->unmount_mountable_with_operation == NULL)
+ {
+ g_simple_async_report_error_in_idle (G_OBJECT (file),
+ callback,
+ user_data,
+ G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return;
+ }
+
+ if (iface->unmount_mountable_with_operation != NULL)
+ (* iface->unmount_mountable_with_operation) (file,
+ flags,
+ mount_operation,
+ cancellable,
+ callback,
+ user_data);
+ else
+ (* iface->unmount_mountable) (file,
+ flags,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_unmount_mountable_with_operation_finish:
+ * @file: input #GFile.
+ * @result: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes an unmount operation, see g_file_unmount_mountable_with_operation() for details.
+ *
+ * Finish an asynchronous unmount operation that was started
+ * with g_file_unmount_mountable_with_operation().
+ *
+ * Returns: %TRUE if the operation finished successfully. %FALSE
+ * otherwise.
+ *
+ * Since: 2.22
+ **/
+gboolean
+g_file_unmount_mountable_with_operation_finish (GFile *file,
+ GAsyncResult *result,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (result))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ if (iface->unmount_mountable_with_operation_finish != NULL)
+ return (* iface->unmount_mountable_with_operation_finish) (file, result, error);
+ else
+ return (* iface->unmount_mountable_finish) (file, result, error);
+}
+
+/**
+ * g_file_eject_mountable:
+ * @file: input #GFile.
+ * @flags: flags affecting the operation
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
+ * @user_data: the data to pass to callback function
+ *
+ * Starts an asynchronous eject on a mountable.
+ * When this operation has completed, @callback will be called with
+ * @user_user data, and the operation can be finalized with
+ * g_file_eject_mountable_finish().
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * Deprecated: 2.22: Use g_file_eject_mountable_with_operation() instead.
+ **/
+void
+g_file_eject_mountable (GFile *file,
+ GMountUnmountFlags flags,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->eject_mountable == NULL)
+ {
+ g_simple_async_report_error_in_idle (G_OBJECT (file),
+ callback,
+ user_data,
+ G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return;
+ }
+
+ (* iface->eject_mountable) (file,
+ flags,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_eject_mountable_finish:
+ * @file: input #GFile.
+ * @result: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes an asynchronous eject operation started by
+ * g_file_eject_mountable().
+ *
+ * Returns: %TRUE if the @file was ejected successfully. %FALSE
+ * otherwise.
+ *
+ * Deprecated: 2.22: Use g_file_eject_mountable_with_operation_finish() instead.
+ **/
+gboolean
+g_file_eject_mountable_finish (GFile *file,
+ GAsyncResult *result,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (result))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->eject_mountable_finish) (file, result, error);
}
/**
- * g_file_eject_mountable:
+ * g_file_eject_mountable_with_operation:
* @file: input #GFile.
* @flags: flags affecting the operation
+ * @mount_operation: a #GMountOperation, or %NULL to avoid user interaction.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
* @user_data: the data to pass to callback function
- *
- * Starts an asynchronous eject on a mountable.
+ *
+ * Starts an asynchronous eject on a mountable.
* When this operation has completed, @callback will be called with
- * @user_user data, and the operation can be finalized with
- * g_file_eject_mountable_finish().
- *
+ * @user_user data, and the operation can be finalized with
+ * g_file_eject_mountable_with_operation_finish().
+ *
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
- * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * Since: 2.22
**/
void
-g_file_eject_mountable (GFile *file,
- GMountUnmountFlags flags,
- GCancellable *cancellable,
- GAsyncReadyCallback callback,
- gpointer user_data)
+g_file_eject_mountable_with_operation (GFile *file,
+ GMountUnmountFlags flags,
+ GMountOperation *mount_operation,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
{
GFileIface *iface;
g_return_if_fail (G_IS_FILE (file));
iface = G_FILE_GET_IFACE (file);
-
- if (iface->eject_mountable == NULL)
+
+ if (iface->eject_mountable == NULL && iface->eject_mountable_with_operation == NULL)
{
g_simple_async_report_error_in_idle (G_OBJECT (file),
callback,
_("Operation not supported"));
return;
}
-
- (* iface->eject_mountable) (file,
- flags,
- cancellable,
- callback,
- user_data);
+
+ if (iface->eject_mountable_with_operation != NULL)
+ (* iface->eject_mountable_with_operation) (file,
+ flags,
+ mount_operation,
+ cancellable,
+ callback,
+ user_data);
+ else
+ (* iface->eject_mountable) (file,
+ flags,
+ cancellable,
+ callback,
+ user_data);
}
/**
- * g_file_eject_mountable_finish:
+ * g_file_eject_mountable_with_operation_finish:
* @file: input #GFile.
* @result: a #GAsyncResult.
* @error: a #GError, or %NULL
- *
- * Finishes an asynchronous eject operation started by
- * g_file_eject_mountable().
- *
- * Returns: %TRUE if the @file was ejected successfully. %FALSE
+ *
+ * Finishes an asynchronous eject operation started by
+ * g_file_eject_mountable_with_operation().
+ *
+ * Returns: %TRUE if the @file was ejected successfully. %FALSE
* otherwise.
+ *
+ * Since: 2.22
**/
gboolean
-g_file_eject_mountable_finish (GFile *file,
- GAsyncResult *result,
- GError **error)
+g_file_eject_mountable_with_operation_finish (GFile *file,
+ GAsyncResult *result,
+ GError **error)
{
GFileIface *iface;
-
+
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
}
-
+
iface = G_FILE_GET_IFACE (file);
- return (* iface->eject_mountable_finish) (file, result, error);
+ if (iface->eject_mountable_with_operation_finish != NULL)
+ return (* iface->eject_mountable_with_operation_finish) (file, result, error);
+ else
+ return (* iface->eject_mountable_finish) (file, result, error);
}
/**
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
gpointer op;
- g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_create_async);
+ g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_create_async);
+
+ op = g_simple_async_result_get_op_res_gpointer (simple);
+ if (op)
+ return g_object_ref (op);
+
+ return NULL;
+}
+
+typedef struct {
+ GFileOutputStream *stream;
+ char *etag;
+ gboolean make_backup;
+ GFileCreateFlags flags;
+} ReplaceAsyncData;
+
+static void
+replace_async_data_free (ReplaceAsyncData *data)
+{
+ if (data->stream)
+ g_object_unref (data->stream);
+ g_free (data->etag);
+ g_free (data);
+}
+
+static void
+replace_async_thread (GSimpleAsyncResult *res,
+ GObject *object,
+ GCancellable *cancellable)
+{
+ GFileIface *iface;
+ GFileOutputStream *stream;
+ GError *error = NULL;
+ ReplaceAsyncData *data;
+
+ iface = G_FILE_GET_IFACE (object);
+
+ data = g_simple_async_result_get_op_res_gpointer (res);
+
+ stream = iface->replace (G_FILE (object),
+ data->etag,
+ data->make_backup,
+ data->flags,
+ cancellable,
+ &error);
+
+ if (stream == NULL)
+ {
+ g_simple_async_result_set_from_error (res, error);
+ g_error_free (error);
+ }
+ else
+ data->stream = stream;
+}
+
+static void
+g_file_real_replace_async (GFile *file,
+ const char *etag,
+ gboolean make_backup,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *res;
+ ReplaceAsyncData *data;
+
+ data = g_new0 (ReplaceAsyncData, 1);
+ data->etag = g_strdup (etag);
+ data->make_backup = make_backup;
+ data->flags = flags;
+
+ res = g_simple_async_result_new (G_OBJECT (file), callback, user_data, g_file_real_replace_async);
+ g_simple_async_result_set_op_res_gpointer (res, data, (GDestroyNotify)replace_async_data_free);
+
+ g_simple_async_result_run_in_thread (res, replace_async_thread, io_priority, cancellable);
+ g_object_unref (res);
+}
+
+static GFileOutputStream *
+g_file_real_replace_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
+{
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
+ ReplaceAsyncData *data;
+
+ g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_replace_async);
+
+ data = g_simple_async_result_get_op_res_gpointer (simple);
+ if (data->stream)
+ return g_object_ref (data->stream);
+
+ return NULL;
+}
+
+static void
+open_readwrite_async_thread (GSimpleAsyncResult *res,
+ GObject *object,
+ GCancellable *cancellable)
+{
+ GFileIface *iface;
+ GFileIOStream *stream;
+ GError *error = NULL;
+
+ iface = G_FILE_GET_IFACE (object);
+
+ if (iface->open_readwrite == NULL)
+ {
+ g_set_error_literal (&error, G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+
+ g_simple_async_result_set_from_error (res, error);
+ g_error_free (error);
+
+ return;
+ }
+
+ stream = iface->open_readwrite (G_FILE (object), cancellable, &error);
+
+ if (stream == NULL)
+ {
+ g_simple_async_result_set_from_error (res, error);
+ g_error_free (error);
+ }
+ else
+ g_simple_async_result_set_op_res_gpointer (res, stream, g_object_unref);
+}
+
+static void
+g_file_real_open_readwrite_async (GFile *file,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *res;
+
+ res = g_simple_async_result_new (G_OBJECT (file), callback, user_data, g_file_real_open_readwrite_async);
+
+ g_simple_async_result_run_in_thread (res, open_readwrite_async_thread, io_priority, cancellable);
+ g_object_unref (res);
+}
+
+static GFileIOStream *
+g_file_real_open_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
+{
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
+ gpointer op;
+
+ g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_open_readwrite_async);
+
+ op = g_simple_async_result_get_op_res_gpointer (simple);
+ if (op)
+ return g_object_ref (op);
+
+ return NULL;
+}
+
+static void
+create_readwrite_async_thread (GSimpleAsyncResult *res,
+ GObject *object,
+ GCancellable *cancellable)
+{
+ GFileIface *iface;
+ GFileCreateFlags *data;
+ GFileIOStream *stream;
+ GError *error = NULL;
+
+ iface = G_FILE_GET_IFACE (object);
+
+ data = g_simple_async_result_get_op_res_gpointer (res);
+
+ if (iface->create_readwrite == NULL)
+ {
+ g_set_error_literal (&error, G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+
+ g_simple_async_result_set_from_error (res, error);
+ g_error_free (error);
+
+ return;
+ }
+
+ stream = iface->create_readwrite (G_FILE (object), *data, cancellable, &error);
+
+ if (stream == NULL)
+ {
+ g_simple_async_result_set_from_error (res, error);
+ g_error_free (error);
+ }
+ else
+ g_simple_async_result_set_op_res_gpointer (res, stream, g_object_unref);
+}
+
+static void
+g_file_real_create_readwrite_async (GFile *file,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileCreateFlags *data;
+ GSimpleAsyncResult *res;
+
+ data = g_new0 (GFileCreateFlags, 1);
+ *data = flags;
+
+ res = g_simple_async_result_new (G_OBJECT (file), callback, user_data, g_file_real_create_readwrite_async);
+ g_simple_async_result_set_op_res_gpointer (res, data, (GDestroyNotify)g_free);
+
+ g_simple_async_result_run_in_thread (res, create_readwrite_async_thread, io_priority, cancellable);
+ g_object_unref (res);
+}
+
+static GFileIOStream *
+g_file_real_create_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
+{
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
+ gpointer op;
+
+ g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_create_readwrite_async);
op = g_simple_async_result_get_op_res_gpointer (simple);
if (op)
return g_object_ref (op);
-
+
return NULL;
}
typedef struct {
- GFileOutputStream *stream;
+ GFileIOStream *stream;
char *etag;
gboolean make_backup;
GFileCreateFlags flags;
-} ReplaceAsyncData;
+} ReplaceRWAsyncData;
static void
-replace_async_data_free (ReplaceAsyncData *data)
+replace_rw_async_data_free (ReplaceRWAsyncData *data)
{
if (data->stream)
g_object_unref (data->stream);
}
static void
-replace_async_thread (GSimpleAsyncResult *res,
- GObject *object,
- GCancellable *cancellable)
+replace_readwrite_async_thread (GSimpleAsyncResult *res,
+ GObject *object,
+ GCancellable *cancellable)
{
GFileIface *iface;
- GFileOutputStream *stream;
+ GFileIOStream *stream;
GError *error = NULL;
- ReplaceAsyncData *data;
+ ReplaceRWAsyncData *data;
iface = G_FILE_GET_IFACE (object);
-
+
data = g_simple_async_result_get_op_res_gpointer (res);
- stream = iface->replace (G_FILE (object),
- data->etag,
- data->make_backup,
- data->flags,
- cancellable,
- &error);
+ stream = iface->replace_readwrite (G_FILE (object),
+ data->etag,
+ data->make_backup,
+ data->flags,
+ cancellable,
+ &error);
if (stream == NULL)
{
}
static void
-g_file_real_replace_async (GFile *file,
- const char *etag,
- gboolean make_backup,
- GFileCreateFlags flags,
- int io_priority,
- GCancellable *cancellable,
- GAsyncReadyCallback callback,
- gpointer user_data)
+g_file_real_replace_readwrite_async (GFile *file,
+ const char *etag,
+ gboolean make_backup,
+ GFileCreateFlags flags,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
{
GSimpleAsyncResult *res;
- ReplaceAsyncData *data;
+ ReplaceRWAsyncData *data;
- data = g_new0 (ReplaceAsyncData, 1);
+ data = g_new0 (ReplaceRWAsyncData, 1);
data->etag = g_strdup (etag);
data->make_backup = make_backup;
data->flags = flags;
- res = g_simple_async_result_new (G_OBJECT (file), callback, user_data, g_file_real_replace_async);
- g_simple_async_result_set_op_res_gpointer (res, data, (GDestroyNotify)replace_async_data_free);
+ res = g_simple_async_result_new (G_OBJECT (file), callback, user_data, g_file_real_replace_readwrite_async);
+ g_simple_async_result_set_op_res_gpointer (res, data, (GDestroyNotify)replace_rw_async_data_free);
- g_simple_async_result_run_in_thread (res, replace_async_thread, io_priority, cancellable);
+ g_simple_async_result_run_in_thread (res, replace_readwrite_async_thread, io_priority, cancellable);
g_object_unref (res);
}
-static GFileOutputStream *
-g_file_real_replace_finish (GFile *file,
- GAsyncResult *res,
- GError **error)
+static GFileIOStream *
+g_file_real_replace_readwrite_finish (GFile *file,
+ GAsyncResult *res,
+ GError **error)
{
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (res);
- ReplaceAsyncData *data;
+ ReplaceRWAsyncData *data;
- g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_replace_async);
+ g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_file_real_replace_readwrite_async);
data = g_simple_async_result_get_op_res_gpointer (simple);
if (data->stream)
return g_object_ref (data->stream);
-
+
return NULL;
}
char *path;
uri_scheme = g_file_get_uri_scheme (file);
- appinfo = g_app_info_get_default_for_uri_scheme (uri_scheme);
- g_free (uri_scheme);
+ if (uri_scheme && uri_scheme[0] != '\0')
+ {
+ appinfo = g_app_info_get_default_for_uri_scheme (uri_scheme);
+ g_free (uri_scheme);
- if (appinfo != NULL)
- return appinfo;
+ if (appinfo != NULL)
+ return appinfo;
+ }
info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
return TRUE;
}
+/**
+ * g_file_start_mountable:
+ * @file: input #GFile.
+ * @flags: flags affecting the operation
+ * @start_operation: a #GMountOperation, or %NULL to avoid user interaction.
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
+ * @user_data: the data to pass to callback function
+ *
+ * Starts a file of type G_FILE_TYPE_MOUNTABLE.
+ * Using @start_operation, you can request callbacks when, for instance,
+ * passwords are needed during authentication.
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * When the operation is finished, @callback will be called. You can then call
+ * g_file_mount_mountable_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ */
+void
+g_file_start_mountable (GFile *file,
+ GDriveStartFlags flags,
+ GMountOperation *start_operation,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->start_mountable == NULL)
+ {
+ g_simple_async_report_error_in_idle (G_OBJECT (file),
+ callback,
+ user_data,
+ G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return;
+ }
+
+ (* iface->start_mountable) (file,
+ flags,
+ start_operation,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_start_mountable_finish:
+ * @file: input #GFile.
+ * @result: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes a start operation. See g_file_start_mountable() for details.
+ *
+ * Finish an asynchronous start operation that was started
+ * with g_file_start_mountable().
+ *
+ * Returns: %TRUE if the operation finished successfully. %FALSE
+ * otherwise.
+ *
+ * Since: 2.22
+ */
+gboolean
+g_file_start_mountable_finish (GFile *file,
+ GAsyncResult *result,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (result))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->start_mountable_finish) (file, result, error);
+}
+
+/**
+ * g_file_stop_mountable:
+ * @file: input #GFile.
+ * @flags: flags affecting the operation
+ * @mount_operation: a #GMountOperation, or %NULL to avoid user interaction.
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
+ * @user_data: the data to pass to callback function
+ *
+ * Stops a file of type G_FILE_TYPE_MOUNTABLE.
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * When the operation is finished, @callback will be called. You can then call
+ * g_file_stop_mountable_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ */
+void
+g_file_stop_mountable (GFile *file,
+ GMountUnmountFlags flags,
+ GMountOperation *mount_operation,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->stop_mountable == NULL)
+ {
+ g_simple_async_report_error_in_idle (G_OBJECT (file),
+ callback,
+ user_data,
+ G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return;
+ }
+
+ (* iface->stop_mountable) (file,
+ flags,
+ mount_operation,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_stop_mountable_finish:
+ * @file: input #GFile.
+ * @result: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes an stop operation, see g_file_stop_mountable() for details.
+ *
+ * Finish an asynchronous stop operation that was started
+ * with g_file_stop_mountable().
+ *
+ * Returns: %TRUE if the operation finished successfully. %FALSE
+ * otherwise.
+ *
+ * Since: 2.22
+ */
+gboolean
+g_file_stop_mountable_finish (GFile *file,
+ GAsyncResult *result,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (result))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->stop_mountable_finish) (file, result, error);
+}
+
+/**
+ * g_file_poll_mountable:
+ * @file: input #GFile.
+ * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
+ * @user_data: the data to pass to callback function
+ *
+ * Polls a file of type G_FILE_TYPE_MOUNTABLE.
+ *
+ * If @cancellable is not %NULL, then the operation can be cancelled by
+ * triggering the cancellable object from another thread. If the operation
+ * was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
+ *
+ * When the operation is finished, @callback will be called. You can then call
+ * g_file_mount_mountable_finish() to get the result of the operation.
+ *
+ * Since: 2.22
+ */
+void
+g_file_poll_mountable (GFile *file,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GFileIface *iface;
+
+ g_return_if_fail (G_IS_FILE (file));
+
+ iface = G_FILE_GET_IFACE (file);
+
+ if (iface->poll_mountable == NULL)
+ {
+ g_simple_async_report_error_in_idle (G_OBJECT (file),
+ callback,
+ user_data,
+ G_IO_ERROR,
+ G_IO_ERROR_NOT_SUPPORTED,
+ _("Operation not supported"));
+ return;
+ }
+
+ (* iface->poll_mountable) (file,
+ cancellable,
+ callback,
+ user_data);
+}
+
+/**
+ * g_file_poll_mountable_finish:
+ * @file: input #GFile.
+ * @result: a #GAsyncResult.
+ * @error: a #GError, or %NULL
+ *
+ * Finishes a poll operation. See g_file_poll_mountable() for details.
+ *
+ * Finish an asynchronous poll operation that was polled
+ * with g_file_poll_mountable().
+ *
+ * Returns: %TRUE if the operation finished successfully. %FALSE
+ * otherwise.
+ *
+ * Since: 2.22
+ */
+gboolean
+g_file_poll_mountable_finish (GFile *file,
+ GAsyncResult *result,
+ GError **error)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+ g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT (result))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+ }
+
+ iface = G_FILE_GET_IFACE (file);
+ return (* iface->poll_mountable_finish) (file, result, error);
+}
+
+/**
+ * g_file_supports_thread_contexts:
+ * @file: a #GFile.
+ *
+ * Checks if @file supports <link
+ * linkend="g-main-context-push-thread-default-context">thread-default
+ * contexts</link>. If this returns %FALSE, you cannot perform
+ * asynchronous operations on @file in a thread that has a
+ * thread-default context.
+ *
+ * Returns: Whether or not @file supports thread-default contexts.
+ *
+ * Since: 2.22
+ */
+gboolean
+g_file_supports_thread_contexts (GFile *file)
+{
+ GFileIface *iface;
+
+ g_return_val_if_fail (G_IS_FILE (file), FALSE);
+
+ iface = G_FILE_GET_IFACE (file);
+ return iface->supports_thread_contexts;
+}
+
#define __G_FILE_C__
#include "gioaliasdef.c"
projects / platform / upstream / glib.git / blobdiff