goutputstream.h

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/* GIO - GLib Input, Output and Streaming Library
 *
 * Copyright (C) 2006-2007 Red Hat, Inc.
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * 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 __G_OUTPUT_STREAM_H__
#define __G_OUTPUT_STREAM_H__
 
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
 
#include <gio/giotypes.h>
 
G_BEGIN_DECLS
 
#define G_TYPE_OUTPUT_STREAM         (g_output_stream_get_type ())
#define G_OUTPUT_STREAM(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_OUTPUT_STREAM, GOutputStream))
#define G_OUTPUT_STREAM_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_OUTPUT_STREAM, GOutputStreamClass))
#define G_IS_OUTPUT_STREAM(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_OUTPUT_STREAM))
#define G_IS_OUTPUT_STREAM_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_OUTPUT_STREAM))
#define G_OUTPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_OUTPUT_STREAM, GOutputStreamClass))
 
typedef struct _GOutputStreamClass    GOutputStreamClass;
typedef struct _GOutputStreamPrivate  GOutputStreamPrivate;
 
struct _GOutputStream
{
  GObject parent_instance;
 
  /*< private >*/
  GOutputStreamPrivate *priv;
};
 
 
struct _GOutputStreamClass
{
  GObjectClass parent_class;
 
  /* Sync ops: */
 
  gssize      (* write_fn)      (GOutputStream            *stream,
                                 const void               *buffer,
                                 gsize                     count,
                                 GCancellable             *cancellable,
                                 GError                  **error);
  gssize      (* splice)        (GOutputStream            *stream,
                                 GInputStream             *source,
                                 GOutputStreamSpliceFlags  flags,
                                 GCancellable             *cancellable,
                                 GError                  **error);
  gboolean    (* flush)         (GOutputStream            *stream,
                                 GCancellable             *cancellable,
                                 GError                  **error);
  gboolean    (* close_fn)      (GOutputStream            *stream,
                                 GCancellable             *cancellable,
                                 GError                  **error);
 
  /* Async ops: (optional in derived classes) */
 
  void        (* write_async)   (GOutputStream            *stream,
                                 const void               *buffer,
                                 gsize                     count,
                                 int                       io_priority,
                                 GCancellable             *cancellable,
                                 GAsyncReadyCallback       callback,
                                 gpointer                  user_data);
  gssize      (* write_finish)  (GOutputStream            *stream,
                                 GAsyncResult             *result,
                                 GError                  **error);
  void        (* splice_async)  (GOutputStream            *stream,
                                 GInputStream             *source,
                                 GOutputStreamSpliceFlags  flags,
                                 int                       io_priority,
                                 GCancellable             *cancellable,
                                 GAsyncReadyCallback       callback,
                                 gpointer                  user_data);
  gssize      (* splice_finish) (GOutputStream            *stream,
                                 GAsyncResult             *result,
                                 GError                  **error);
  void        (* flush_async)   (GOutputStream            *stream,
                                 int                       io_priority,
                                 GCancellable             *cancellable,
                                 GAsyncReadyCallback       callback,
                                 gpointer                  user_data);
  gboolean    (* flush_finish)  (GOutputStream            *stream,
                                 GAsyncResult             *result,
                                 GError                  **error);
  void        (* close_async)   (GOutputStream            *stream,
                                 int                       io_priority,
                                 GCancellable             *cancellable,
                                 GAsyncReadyCallback       callback,
                                 gpointer                  user_data);
  gboolean    (* close_finish)  (GOutputStream            *stream,
                                 GAsyncResult             *result,
                                 GError                  **error);
 
  gboolean    (* writev_fn)     (GOutputStream            *stream,
                                 const GOutputVector      *vectors,
                                 gsize                     n_vectors,
                                 gsize                    *bytes_written,
                                 GCancellable             *cancellable,
                                 GError                  **error);
 
  void        (* writev_async)  (GOutputStream            *stream,
                                 const GOutputVector      *vectors,
                                 gsize                     n_vectors,
                                 int                       io_priority,
                                 GCancellable             *cancellable,
                                 GAsyncReadyCallback       callback,
                                 gpointer                  user_data);
 
  gboolean    (* writev_finish) (GOutputStream            *stream,
                                 GAsyncResult             *result,
                                 gsize                    *bytes_written,
                                 GError                  **error);
 
  /*< private >*/
  /* Padding for future expansion */
  void (*_g_reserved4) (void);
  void (*_g_reserved5) (void);
  void (*_g_reserved6) (void);
  void (*_g_reserved7) (void);
  void (*_g_reserved8) (void);
};
 
GIO_AVAILABLE_IN_ALL
GType    g_output_stream_get_type      (void) G_GNUC_CONST;
 
GIO_AVAILABLE_IN_ALL
gssize   g_output_stream_write         (GOutputStream             *stream,
                    const void                *buffer,
                    gsize                      count,
                    GCancellable              *cancellable,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_write_all     (GOutputStream             *stream,
                    const void                *buffer,
                    gsize                      count,
                    gsize                     *bytes_written,
                    GCancellable              *cancellable,
                    GError                   **error);
 
GIO_AVAILABLE_IN_2_60
gboolean g_output_stream_writev        (GOutputStream             *stream,
                    const GOutputVector       *vectors,
                    gsize                      n_vectors,
                    gsize                     *bytes_written,
                    GCancellable              *cancellable,
                    GError                   **error);
GIO_AVAILABLE_IN_2_60
gboolean g_output_stream_writev_all    (GOutputStream             *stream,
                    GOutputVector             *vectors,
                    gsize                      n_vectors,
                    gsize                     *bytes_written,
                    GCancellable              *cancellable,
                    GError                   **error);
 
GIO_AVAILABLE_IN_2_40
gboolean g_output_stream_printf        (GOutputStream             *stream,
                                        gsize                     *bytes_written,
                                        GCancellable              *cancellable,
                                        GError                   **error,
                                        const gchar               *format,
                                        ...) G_GNUC_PRINTF (5, 6);
GIO_AVAILABLE_IN_2_40
gboolean g_output_stream_vprintf       (GOutputStream             *stream,
                                        gsize                     *bytes_written,
                                        GCancellable              *cancellable,
                                        GError                   **error,
                                        const gchar               *format,
                                        va_list                    args) G_GNUC_PRINTF (5, 0);
GIO_AVAILABLE_IN_2_34
gssize   g_output_stream_write_bytes   (GOutputStream             *stream,
                    GBytes                    *bytes,
                    GCancellable              *cancellable,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
gssize   g_output_stream_splice        (GOutputStream             *stream,
                    GInputStream              *source,
                    GOutputStreamSpliceFlags   flags,
                    GCancellable              *cancellable,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_flush         (GOutputStream             *stream,
                    GCancellable              *cancellable,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_close         (GOutputStream             *stream,
                    GCancellable              *cancellable,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
void     g_output_stream_write_async   (GOutputStream             *stream,
                    const void                *buffer,
                    gsize                      count,
                    int                        io_priority,
                    GCancellable              *cancellable,
                    GAsyncReadyCallback        callback,
                    gpointer                   user_data);
GIO_AVAILABLE_IN_ALL
gssize   g_output_stream_write_finish  (GOutputStream             *stream,
                    GAsyncResult              *result,
                    GError                   **error);
 
GIO_AVAILABLE_IN_2_44
void     g_output_stream_write_all_async (GOutputStream           *stream,
                                          const void              *buffer,
                                          gsize                    count,
                                          int                      io_priority,
                                          GCancellable            *cancellable,
                                          GAsyncReadyCallback      callback,
                                          gpointer                 user_data);
 
GIO_AVAILABLE_IN_2_44
gboolean g_output_stream_write_all_finish (GOutputStream          *stream,
                                           GAsyncResult           *result,
                                           gsize                  *bytes_written,
                                           GError                **error);
 
GIO_AVAILABLE_IN_2_60
void     g_output_stream_writev_async  (GOutputStream             *stream,
                    const GOutputVector       *vectors,
                    gsize                      n_vectors,
                    int                        io_priority,
                    GCancellable              *cancellable,
                    GAsyncReadyCallback        callback,
                    gpointer                   user_data);
GIO_AVAILABLE_IN_2_60
gboolean g_output_stream_writev_finish (GOutputStream             *stream,
                    GAsyncResult              *result,
                    gsize                     *bytes_written,
                    GError                   **error);
 
GIO_AVAILABLE_IN_2_60
void     g_output_stream_writev_all_async (GOutputStream           *stream,
                                           GOutputVector           *vectors,
                                           gsize                    n_vectors,
                                           int                      io_priority,
                                           GCancellable            *cancellable,
                                           GAsyncReadyCallback      callback,
                                           gpointer                 user_data);
 
GIO_AVAILABLE_IN_2_60
gboolean g_output_stream_writev_all_finish (GOutputStream          *stream,
                                            GAsyncResult           *result,
                                            gsize                  *bytes_written,
                                            GError                **error);
 
GIO_AVAILABLE_IN_2_34
void     g_output_stream_write_bytes_async  (GOutputStream             *stream,
                         GBytes                    *bytes,
                         int                        io_priority,
                         GCancellable              *cancellable,
                         GAsyncReadyCallback        callback,
                         gpointer                   user_data);
GIO_AVAILABLE_IN_2_34
gssize   g_output_stream_write_bytes_finish (GOutputStream             *stream,
                         GAsyncResult              *result,
                         GError                   **error);
GIO_AVAILABLE_IN_ALL
void     g_output_stream_splice_async  (GOutputStream             *stream,
                    GInputStream              *source,
                    GOutputStreamSpliceFlags   flags,
                    int                        io_priority,
                    GCancellable              *cancellable,
                    GAsyncReadyCallback        callback,
                    gpointer                   user_data);
GIO_AVAILABLE_IN_ALL
gssize   g_output_stream_splice_finish (GOutputStream             *stream,
                    GAsyncResult              *result,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
void     g_output_stream_flush_async   (GOutputStream             *stream,
                    int                        io_priority,
                    GCancellable              *cancellable,
                    GAsyncReadyCallback        callback,
                    gpointer                   user_data);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_flush_finish  (GOutputStream             *stream,
                    GAsyncResult              *result,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
void     g_output_stream_close_async   (GOutputStream             *stream,
                    int                        io_priority,
                    GCancellable              *cancellable,
                    GAsyncReadyCallback        callback,
                    gpointer                   user_data);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_close_finish  (GOutputStream             *stream,
                    GAsyncResult              *result,
                    GError                   **error);
 
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_is_closed     (GOutputStream             *stream);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_is_closing    (GOutputStream             *stream);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_has_pending   (GOutputStream             *stream);
GIO_AVAILABLE_IN_ALL
gboolean g_output_stream_set_pending   (GOutputStream             *stream,
                    GError                   **error);
GIO_AVAILABLE_IN_ALL
void     g_output_stream_clear_pending (GOutputStream             *stream);
 
 
G_END_DECLS
 
#endif /* __G_OUTPUT_STREAM_H__ */