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glib/gio/giotypes.h

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#ifndef __GIO_TYPES_H__
#define __GIO_TYPES_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/gioenums.h>
G_BEGIN_DECLS
typedef struct _GAppLaunchContext GAppLaunchContext;
typedef struct _GAppInfo GAppInfo; /* Dummy typedef */
typedef struct _GAsyncResult GAsyncResult; /* Dummy typedef */
typedef struct _GAsyncInitable GAsyncInitable;
typedef struct _GBufferedInputStream GBufferedInputStream;
typedef struct _GBufferedOutputStream GBufferedOutputStream;
typedef struct _GCancellable GCancellable;
typedef struct _GCharsetConverter GCharsetConverter;
typedef struct _GConverter GConverter;
typedef struct _GConverterInputStream GConverterInputStream;
typedef struct _GConverterOutputStream GConverterOutputStream;
typedef struct _GDatagramBased GDatagramBased;
typedef struct _GDataInputStream GDataInputStream;
typedef struct _GSimplePermission GSimplePermission;
typedef struct _GZlibCompressor GZlibCompressor;
typedef struct _GZlibDecompressor GZlibDecompressor;
typedef struct _GSimpleActionGroup GSimpleActionGroup;
typedef struct _GRemoteActionGroup GRemoteActionGroup;
typedef struct _GDBusActionGroup GDBusActionGroup;
typedef struct _GActionMap GActionMap;
typedef struct _GActionGroup GActionGroup;
typedef struct _GPropertyAction GPropertyAction;
typedef struct _GSimpleAction GSimpleAction;
typedef struct _GAction GAction;
typedef struct _GApplication GApplication;
typedef struct _GApplicationCommandLine GApplicationCommandLine;
typedef struct _GSettingsBackend GSettingsBackend;
typedef struct _GSettings GSettings;
typedef struct _GPermission GPermission;
typedef struct _GMenuModel GMenuModel;
typedef struct _GNotification GNotification;
/**
* GDrive:
*
* Opaque drive object.
**/
typedef struct _GDrive GDrive; /* Dummy typedef */
typedef struct _GFileEnumerator GFileEnumerator;
typedef struct _GFileMonitor GFileMonitor;
typedef struct _GFilterInputStream GFilterInputStream;
typedef struct _GFilterOutputStream GFilterOutputStream;
/**
* GFile:
*
* A handle to an object implementing the #GFileIface interface.
* Generally stores a location within the file system. Handles do not
* necessarily represent files or directories that currently exist.
**/
typedef struct _GFile GFile; /* Dummy typedef */
typedef struct _GFileInfo GFileInfo;
/**
* GFileAttributeMatcher:
*
* Determines if a string matches a file attribute.
**/
typedef struct _GFileAttributeMatcher GFileAttributeMatcher;
typedef struct _GFileAttributeInfo GFileAttributeInfo;
typedef struct _GFileAttributeInfoList GFileAttributeInfoList;
typedef struct _GFileDescriptorBased GFileDescriptorBased;
typedef struct _GFileInputStream GFileInputStream;
typedef struct _GFileOutputStream GFileOutputStream;
typedef struct _GFileIOStream GFileIOStream;
typedef struct _GFileIcon GFileIcon;
typedef struct _GFilenameCompleter GFilenameCompleter;
typedef struct _GIcon GIcon; /* Dummy typedef */
typedef struct _GInetAddress GInetAddress;
typedef struct _GInetAddressMask GInetAddressMask;
typedef struct _GInetSocketAddress GInetSocketAddress;
typedef struct _GNativeSocketAddress GNativeSocketAddress;
typedef struct _GInputStream GInputStream;
typedef struct _GInitable GInitable;
typedef struct _GIOModule GIOModule;
typedef struct _GIOExtensionPoint GIOExtensionPoint;
typedef struct _GIOExtension GIOExtension;
/**
* GIOSchedulerJob:
*
* Opaque class for defining and scheduling IO jobs.
**/
typedef struct _GIOSchedulerJob GIOSchedulerJob;
typedef struct _GIOStreamAdapter GIOStreamAdapter;
typedef struct _GLoadableIcon GLoadableIcon; /* Dummy typedef */
typedef struct _GBytesIcon GBytesIcon;
typedef struct _GMemoryInputStream GMemoryInputStream;
typedef struct _GMemoryOutputStream GMemoryOutputStream;
/**
* GMount:
*
* A handle to an object implementing the #GMountIface interface.
**/
typedef struct _GMount GMount; /* Dummy typedef */
typedef struct _GMountOperation GMountOperation;
typedef struct _GNetworkAddress GNetworkAddress;
typedef struct _GNetworkMonitor GNetworkMonitor;
typedef struct _GNetworkService GNetworkService;
typedef struct _GOutputStream GOutputStream;
typedef struct _GIOStream GIOStream;
typedef struct _GSimpleIOStream GSimpleIOStream;
typedef struct _GPollableInputStream GPollableInputStream; /* Dummy typedef */
typedef struct _GPollableOutputStream GPollableOutputStream; /* Dummy typedef */
typedef struct _GResolver GResolver;
/**
* GResource:
*
* A resource bundle.
*
* Since: 2.32
*/
typedef struct _GResource GResource;
typedef struct _GSeekable GSeekable;
typedef struct _GSimpleAsyncResult GSimpleAsyncResult;
/**
* GSocket:
*
* A lowlevel network socket object.
*
* Since: 2.22
**/
typedef struct _GSocket GSocket;
/**
* GSocketControlMessage:
*
* Base class for socket-type specific control messages that can be sent and
* received over #GSocket.
**/
typedef struct _GSocketControlMessage GSocketControlMessage;
/**
* GSocketClient:
*
* A helper class for network clients to make connections.
*
* Since: 2.22
**/
typedef struct _GSocketClient GSocketClient;
/**
* GSocketConnection:
*
* A socket connection GIOStream object for connection-oriented sockets.
*
* Since: 2.22
**/
typedef struct _GSocketConnection GSocketConnection;
/**
* GSocketListener:
*
* A helper class for network servers to listen for and accept connections.
*
* Since: 2.22
**/
typedef struct _GSocketListener GSocketListener;
/**
* GSocketService:
*
* A helper class for handling accepting incomming connections in the
* glib mainloop.
*
* Since: 2.22
**/
typedef struct _GSocketService GSocketService;
typedef struct _GSocketAddress GSocketAddress;
typedef struct _GSocketAddressEnumerator GSocketAddressEnumerator;
typedef struct _GSocketConnectable GSocketConnectable;
typedef struct _GSrvTarget GSrvTarget;
typedef struct _GTask GTask;
/**
* GTcpConnection:
*
* A #GSocketConnection for TCP/IP connections.
*
* Since: 2.22
**/
typedef struct _GTcpConnection GTcpConnection;
typedef struct _GTcpWrapperConnection GTcpWrapperConnection;
/**
* GThreadedSocketService:
*
* A helper class for handling accepting incoming connections in the
* glib mainloop and handling them in a thread.
*
* Since: 2.22
**/
typedef struct _GThreadedSocketService GThreadedSocketService;
typedef struct _GDtlsConnection GDtlsConnection;
typedef struct _GDtlsClientConnection GDtlsClientConnection; /* Dummy typedef */
typedef struct _GDtlsServerConnection GDtlsServerConnection; /* Dummy typedef */
typedef struct _GThemedIcon GThemedIcon;
typedef struct _GTlsCertificate GTlsCertificate;
typedef struct _GTlsClientConnection GTlsClientConnection; /* Dummy typedef */
typedef struct _GTlsConnection GTlsConnection;
typedef struct _GTlsDatabase GTlsDatabase;
typedef struct _GTlsFileDatabase GTlsFileDatabase;
typedef struct _GTlsInteraction GTlsInteraction;
typedef struct _GTlsPassword GTlsPassword;
typedef struct _GTlsServerConnection GTlsServerConnection; /* Dummy typedef */
typedef struct _GVfs GVfs; /* Dummy typedef */
/**
* GProxyResolver:
*
* A helper class to enumerate proxies base on URI.
*
* Since: 2.26
**/
typedef struct _GProxyResolver GProxyResolver;
typedef struct _GProxy GProxy;
typedef struct _GProxyAddress GProxyAddress;
typedef struct _GProxyAddressEnumerator GProxyAddressEnumerator;
/**
* GVolume:
*
* Opaque mountable volume object.
**/
typedef struct _GVolume GVolume; /* Dummy typedef */
typedef struct _GVolumeMonitor GVolumeMonitor;
/**
* GAsyncReadyCallback:
* @source_object: (nullable): the object the asynchronous operation was started with.
* @res: a #GAsyncResult.
* @user_data: user data passed to the callback.
*
* Type definition for a function that will be called back when an asynchronous
* operation within GIO has been completed. #GAsyncReadyCallback
* callbacks from #GTask are guaranteed to be invoked in a later
* iteration of the
* [thread-default main context][g-main-context-push-thread-default]
* where the #GTask was created. All other users of
* #GAsyncReadyCallback must likewise call it asynchronously in a
* later iteration of the main context.
**/
typedef void (*GAsyncReadyCallback) (GObject *source_object,
GAsyncResult *res,
gpointer user_data);
/**
* GFileProgressCallback:
* @current_num_bytes: the current number of bytes in the operation.
* @total_num_bytes: the total number of bytes in the operation.
* @user_data: user data passed to the callback.
*
* When doing file operations that may take a while, such as moving
* a file or copying a file, a progress callback is used to pass how
* far along that operation is to the application.
**/
typedef void (*GFileProgressCallback) (goffset current_num_bytes,
goffset total_num_bytes,
gpointer user_data);
/**
* GFileReadMoreCallback:
* @file_contents: the data as currently read.
* @file_size: the size of the data currently read.
* @callback_data: (closure): data passed to the callback.
*
* When loading the partial contents of a file with g_file_load_partial_contents_async(),
* it may become necessary to determine if any more data from the file should be loaded.
* A #GFileReadMoreCallback function facilitates this by returning %TRUE if more data
* should be read, or %FALSE otherwise.
*
* Returns: %TRUE if more data should be read back. %FALSE otherwise.
**/
typedef gboolean (* GFileReadMoreCallback) (const char *file_contents,
goffset file_size,
gpointer callback_data);
/**
* GFileMeasureProgressCallback:
* @reporting: %TRUE if more reports will come
* @current_size: the current cumulative size measurement
* @num_dirs: the number of directories visited so far
* @num_files: the number of non-directory files encountered
* @user_data: the data passed to the original request for this callback
*
* This callback type is used by g_file_measure_disk_usage() to make
* periodic progress reports when measuring the amount of disk spaced
* used by a directory.
*
* These calls are made on a best-effort basis and not all types of
* #GFile will support them. At the minimum, however, one call will
* always be made immediately.
*
* In the case that there is no support, @reporting will be set to
* %FALSE (and the other values undefined) and no further calls will be
* made. Otherwise, the @reporting will be %TRUE and the other values
* all-zeros during the first (immediate) call. In this way, you can
* know which type of progress UI to show without a delay.
*
* For g_file_measure_disk_usage() the callback is made directly. For
* g_file_measure_disk_usage_async() the callback is made via the
* default main context of the calling thread (ie: the same way that the
* final async result would be reported).
*
* @current_size is in the same units as requested by the operation (see
* %G_FILE_DISK_USAGE_APPARENT_SIZE).
*
* The frequency of the updates is implementation defined, but is
* ideally about once every 200ms.
*
* The last progress callback may or may not be equal to the final
* result. Always check the async result to get the final value.
*
* Since: 2.38
**/
typedef void (* GFileMeasureProgressCallback) (gboolean reporting,
guint64 current_size,
guint64 num_dirs,
guint64 num_files,
gpointer user_data);
/**
* GIOSchedulerJobFunc:
* @job: a #GIOSchedulerJob.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @user_data: the data to pass to callback function
*
* I/O Job function.
*
* Long-running jobs should periodically check the @cancellable
* to see if they have been cancelled.
*
* Returns: %TRUE if this function should be called again to
* complete the job, %FALSE if the job is complete (or cancelled)
**/
typedef gboolean (*GIOSchedulerJobFunc) (GIOSchedulerJob *job,
GCancellable *cancellable,
gpointer user_data);
/**
* GSimpleAsyncThreadFunc:
* @res: a #GSimpleAsyncResult.
* @object: a #GObject.
* @cancellable: optional #GCancellable object, %NULL to ignore.
*
* Simple thread function that runs an asynchronous operation and
* checks for cancellation.
**/
typedef void (*GSimpleAsyncThreadFunc) (GSimpleAsyncResult *res,
GObject *object,
GCancellable *cancellable);
/**
* GSocketSourceFunc:
* @socket: the #GSocket
* @condition: the current condition at the source fired.
* @user_data: data passed in by the user.
*
* This is the function type of the callback used for the #GSource
* returned by g_socket_create_source().
*
* Returns: it should return %FALSE if the source should be removed.
*
* Since: 2.22
*/
typedef gboolean (*GSocketSourceFunc) (GSocket *socket,
GIOCondition condition,
gpointer user_data);
/**
* GDatagramBasedSourceFunc:
* @datagram_based: the #GDatagramBased
* @condition: the current condition at the source fired
* @user_data: data passed in by the user
*
* This is the function type of the callback used for the #GSource
* returned by g_datagram_based_create_source().
*
* Returns: %G_SOURCE_REMOVE if the source should be removed,
* %G_SOURCE_CONTINUE otherwise
*
* Since: 2.48
*/
typedef gboolean (*GDatagramBasedSourceFunc) (GDatagramBased *datagram_based,
GIOCondition condition,
gpointer user_data);
/**
* GInputVector:
* @buffer: Pointer to a buffer where data will be written.
* @size: the available size in @buffer.
*
* Structure used for scatter/gather data input.
* You generally pass in an array of #GInputVectors
* and the operation will store the read data starting in the
* first buffer, switching to the next as needed.
*
* Since: 2.22
*/
typedef struct _GInputVector GInputVector;
struct _GInputVector {
gpointer buffer;
gsize size;
};
/**
* GInputMessage:
* @address: (optional) (out) (transfer full): return location
* for a #GSocketAddress, or %NULL
* @vectors: (array length=num_vectors) (out): pointer to an
* array of input vectors
* @num_vectors: the number of input vectors pointed to by @vectors
* @bytes_received: (out): will be set to the number of bytes that have been
* received
* @flags: (out): collection of #GSocketMsgFlags for the received message,
* outputted by the call
* @control_messages: (array length=num_control_messages) (optional)
* (out) (transfer full): return location for a
* caller-allocated array of #GSocketControlMessages, or %NULL
* @num_control_messages: (out) (optional): return location for the number of
* elements in @control_messages
*
* Structure used for scatter/gather data input when receiving multiple
* messages or packets in one go. You generally pass in an array of empty
* #GInputVectors and the operation will use all the buffers as if they
* were one buffer, and will set @bytes_received to the total number of bytes
* received across all #GInputVectors.
*
* This structure closely mirrors `struct mmsghdr` and `struct msghdr` from
* the POSIX sockets API (see `man 2 recvmmsg`).
*
* If @address is non-%NULL then it is set to the source address the message
* was received from, and the caller must free it afterwards.
*
* If @control_messages is non-%NULL then it is set to an array of control
* messages received with the message (if any), and the caller must free it
* afterwards. @num_control_messages is set to the number of elements in
* this array, which may be zero.
*
* Flags relevant to this message will be returned in @flags. For example,
* `MSG_EOR` or `MSG_TRUNC`.
*
* Since: 2.48
*/
typedef struct _GInputMessage GInputMessage;
struct _GInputMessage {
GSocketAddress **address;
GInputVector *vectors;
guint num_vectors;
gsize bytes_received;
gint flags;
GSocketControlMessage ***control_messages;
guint *num_control_messages;
};
/**
* GOutputVector:
* @buffer: Pointer to a buffer of data to read.
* @size: the size of @buffer.
*
* Structure used for scatter/gather data output.
* You generally pass in an array of #GOutputVectors
* and the operation will use all the buffers as if they were
* one buffer.
*
* Since: 2.22
*/
typedef struct _GOutputVector GOutputVector;
struct _GOutputVector {
gconstpointer buffer;
gsize size;
};
/**
* GOutputMessage:
* @address: (nullable): a #GSocketAddress, or %NULL
* @vectors: pointer to an array of output vectors
* @num_vectors: the number of output vectors pointed to by @vectors.
* @bytes_sent: initialize to 0. Will be set to the number of bytes
* that have been sent
* @control_messages: (array length=num_control_messages) (nullable): a pointer
* to an array of #GSocketControlMessages, or %NULL.
* @num_control_messages: number of elements in @control_messages.
*
* Structure used for scatter/gather data output when sending multiple
* messages or packets in one go. You generally pass in an array of
* #GOutputVectors and the operation will use all the buffers as if they
* were one buffer.
*
* If @address is %NULL then the message is sent to the default receiver
* (as previously set by g_socket_connect()).
*
* Since: 2.44
*/
typedef struct _GOutputMessage GOutputMessage;
struct _GOutputMessage {
GSocketAddress *address;
GOutputVector *vectors;
guint num_vectors;
guint bytes_sent;
GSocketControlMessage **control_messages;
guint num_control_messages;
};
typedef struct _GCredentials GCredentials;
typedef struct _GUnixCredentialsMessage GUnixCredentialsMessage;
typedef struct _GUnixFDList GUnixFDList;
typedef struct _GDBusMessage GDBusMessage;
typedef struct _GDBusConnection GDBusConnection;
typedef struct _GDBusProxy GDBusProxy;
typedef struct _GDBusMethodInvocation GDBusMethodInvocation;
typedef struct _GDBusServer GDBusServer;
typedef struct _GDBusAuthObserver GDBusAuthObserver;
typedef struct _GDBusErrorEntry GDBusErrorEntry;
typedef struct _GDBusInterfaceVTable GDBusInterfaceVTable;
typedef struct _GDBusSubtreeVTable GDBusSubtreeVTable;
typedef struct _GDBusAnnotationInfo GDBusAnnotationInfo;
typedef struct _GDBusArgInfo GDBusArgInfo;
typedef struct _GDBusMethodInfo GDBusMethodInfo;
typedef struct _GDBusSignalInfo GDBusSignalInfo;
typedef struct _GDBusPropertyInfo GDBusPropertyInfo;
typedef struct _GDBusInterfaceInfo GDBusInterfaceInfo;
typedef struct _GDBusNodeInfo GDBusNodeInfo;
/**
* GCancellableSourceFunc:
* @cancellable: the #GCancellable
* @user_data: data passed in by the user.
*
* This is the function type of the callback used for the #GSource
* returned by g_cancellable_source_new().
*
* Returns: it should return %FALSE if the source should be removed.
*
* Since: 2.28
*/
typedef gboolean (*GCancellableSourceFunc) (GCancellable *cancellable,
gpointer user_data);
/**
* GPollableSourceFunc:
* @pollable_stream: the #GPollableInputStream or #GPollableOutputStream
* @user_data: data passed in by the user.
*
* This is the function type of the callback used for the #GSource
* returned by g_pollable_input_stream_create_source() and
* g_pollable_output_stream_create_source().
*
* Returns: it should return %FALSE if the source should be removed.
*
* Since: 2.28
*/
typedef gboolean (*GPollableSourceFunc) (GObject *pollable_stream,
gpointer user_data);
typedef struct _GDBusInterface GDBusInterface; /* Dummy typedef */
typedef struct _GDBusInterfaceSkeleton GDBusInterfaceSkeleton;
typedef struct _GDBusObject GDBusObject; /* Dummy typedef */
typedef struct _GDBusObjectSkeleton GDBusObjectSkeleton;
typedef struct _GDBusObjectProxy GDBusObjectProxy;
typedef struct _GDBusObjectManager GDBusObjectManager; /* Dummy typedef */
typedef struct _GDBusObjectManagerClient GDBusObjectManagerClient;
typedef struct _GDBusObjectManagerServer GDBusObjectManagerServer;
/**
* GDBusProxyTypeFunc:
* @manager: A #GDBusObjectManagerClient.
* @object_path: The object path of the remote object.
* @interface_name: (nullable): The interface name of the remote object or %NULL if a #GDBusObjectProxy #GType is requested.
* @user_data: User data.
*
* Function signature for a function used to determine the #GType to
* use for an interface proxy (if @interface_name is not %NULL) or
* object proxy (if @interface_name is %NULL).
*
* This function is called in the
* [thread-default main loop][g-main-context-push-thread-default]
* that @manager was constructed in.
*
* Returns: A #GType to use for the remote object. The returned type
* must be a #GDBusProxy or #GDBusObjectProxy -derived
* type.
*
* Since: 2.30
*/
typedef GType (*GDBusProxyTypeFunc) (GDBusObjectManagerClient *manager,
const gchar *object_path,
const gchar *interface_name,
gpointer user_data);
typedef struct _GTestDBus GTestDBus;
/**
* GSubprocess:
*
* A child process.
*
* Since: 2.40
*/
typedef struct _GSubprocess GSubprocess;
/**
* GSubprocessLauncher:
*
* Options for launching a child process.
*
* Since: 2.40
*/
typedef struct _GSubprocessLauncher GSubprocessLauncher;
G_END_DECLS
#endif /* __GIO_TYPES_H__ */
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