/*
 * Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
 *
 * SPDX-License-Identifier: LGPL-2.1+
 */

#pragma once

#include <glib-object.h>

#define FU_TYPE_IO_CHANNEL (fu_io_channel_get_type())

G_DECLARE_FINAL_TYPE(FuIOChannel, fu_io_channel, FU, IO_CHANNEL, GObject)

/**
 * FuIOChannelFlags:
 * @FU_IO_CHANNEL_FLAG_NONE:			No flags are set
 * @FU_IO_CHANNEL_FLAG_SINGLE_SHOT:		Only one read or write is expected
 * @FU_IO_CHANNEL_FLAG_FLUSH_INPUT:		Flush pending input before writing
 * @FU_IO_CHANNEL_FLAG_USE_BLOCKING_IO:		Block waiting for the TTY
 *
 * The flags used when reading data from the TTY.
 **/
typedef enum {
	FU_IO_CHANNEL_FLAG_NONE = 0,		     /* Since: 1.2.2 */
	FU_IO_CHANNEL_FLAG_SINGLE_SHOT = 1 << 0,     /* Since: 1.2.2 */
	FU_IO_CHANNEL_FLAG_FLUSH_INPUT = 1 << 1,     /* Since: 1.2.2 */
	FU_IO_CHANNEL_FLAG_USE_BLOCKING_IO = 1 << 2, /* Since: 1.2.2 */
	/*< private >*/
	FU_IO_CHANNEL_FLAG_LAST
} FuIOChannelFlags;

FuIOChannel *
fu_io_channel_unix_new(gint fd);
FuIOChannel *
fu_io_channel_new_file(const gchar *filename, GError **error) G_GNUC_WARN_UNUSED_RESULT;

gint
fu_io_channel_unix_get_fd(FuIOChannel *self);
gboolean
fu_io_channel_shutdown(FuIOChannel *self, GError **error) G_GNUC_WARN_UNUSED_RESULT;
gboolean
fu_io_channel_write_raw(FuIOChannel *self,
			const guint8 *data,
			gsize datasz,
			guint timeout_ms,
			FuIOChannelFlags flags,
			GError **error) G_GNUC_WARN_UNUSED_RESULT;
gboolean
fu_io_channel_read_raw(FuIOChannel *self,
		       guint8 *buf,
		       gsize bufsz,
		       gsize *bytes_read,
		       guint timeout_ms,
		       FuIOChannelFlags flags,
		       GError **error) G_GNUC_WARN_UNUSED_RESULT;
gboolean
fu_io_channel_write_bytes(FuIOChannel *self,
			  GBytes *bytes,
			  guint timeout_ms,
			  FuIOChannelFlags flags,
			  GError **error) G_GNUC_WARN_UNUSED_RESULT;
gboolean
fu_io_channel_write_byte_array(FuIOChannel *self,
			       GByteArray *buf,
			       guint timeout_ms,
			       FuIOChannelFlags flags,
			       GError **error) G_GNUC_WARN_UNUSED_RESULT;
GBytes *
fu_io_channel_read_bytes(FuIOChannel *self,
			 gssize max_size,
			 guint timeout_ms,
			 FuIOChannelFlags flags,
			 GError **error) G_GNUC_WARN_UNUSED_RESULT;
GByteArray *
fu_io_channel_read_byte_array(FuIOChannel *self,
			      gssize max_size,
			      guint timeout_ms,
			      FuIOChannelFlags flags,
			      GError **error) G_GNUC_WARN_UNUSED_RESULT;