/* vim: set sw=2: -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2; c-indent-level: 2-*- */
/**
 * GMyth Library
 *
 * @file gmyth/gmyth_file_transfer.h
 * 
 * @brief <p> GMythFileTransfer deals with the file streaming media remote/local
 * transfering to the MythTV frontend.
 *
 * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.
 * @author Rosfran Lins Borges <rosfran.borges@indt.org.br>
 *
 *//*
 * 
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
#ifndef __GMYTH_FILE_TRANSFER_H__
#define __GMYTH_FILE_TRANSFER_H__

#include <glib-object.h>
#include <glib.h>

#include "gmyth_socket.h"
#include "gmyth_uri.h"
#include "gmyth_backendinfo.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <sys/socket.h>
#include <unistd.h>

G_BEGIN_DECLS

#define GMYTH_FILE_TRANSFER_TYPE               (gmyth_file_transfer_get_type ())
#define GMYTH_FILE_TRANSFER(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GMYTH_FILE_TRANSFER_TYPE, GMythFileTransfer))
#define GMYTH_FILE_TRANSFER_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GMYTH_FILE_TRANSFER_TYPE, GMythFileTransferClass))
#define IS_GMYTH_FILE_TRANSFER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GMYTH_FILE_TRANSFER_TYPE))
#define IS_GMYTH_FILE_TRANSFER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GMYTH_FILE_TRANSFER_TYPE))
#define GMYTH_FILE_TRANSFER_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GMYTH_FILE_TRANSFER_TYPE, GMythFileTransferClass))

#define GMYTHTV_FILE_TRANSFER_READ_ERROR					-314
#define GMYTHTV_FILE_TRANSFER_NEXT_PROG_CHAIN			-315

typedef struct _GMythFileTransfer         GMythFileTransfer;
typedef struct _GMythFileTransferClass    GMythFileTransferClass;
typedef struct _GMythFileTransferPrivate  GMythFileTransferPrivate;

struct _GMythFileTransferClass
{
	GObjectClass parent_class;

	/* callbacks */
	guint program_info_changed_handler_signal_id;

  /* signal default handlers */
  void (*program_info_changed_handler) ( GMythFileTransfer *transfer, 
										gint msg_code, gpointer livetv_transfer );
};

struct _GMythFileTransfer
{
	GObject 					parent;
	
	/* Myth URI structure */
	gchar 					 *filename;
	GMythBackendInfo *backend_info;
	
	/* MythTV version number */	
	gint 							mythtv_version;

	/* socket descriptors */
	GMythSocket 			*control_sock;
	GMythSocket 			*sock;
	
	GMutex 						*mutex;

	gint64 						readposition;
	guint64 					filesize;
	gint 							file_id;
	
	GMythFileTransferPrivate 	*priv;

};

GType          			gmyth_file_transfer_get_type        (void);
GMythFileTransfer  *gmyth_file_transfer_new             (const GMythBackendInfo *backend_info);
gboolean 						gmyth_file_transfer_open            (GMythFileTransfer *transfer, 
                                					     						const gchar* filename);
void                gmyth_file_transfer_close           (GMythFileTransfer *transfer);
gboolean            gmyth_file_transfer_is_open         (GMythFileTransfer *transfer);
gint                gmyth_file_transfer_read            (GMythFileTransfer *transfer, 
                                                         GByteArray *data, 
                                                         gint size, 
                                                         gboolean read_unlimited);
gint64              gmyth_file_transfer_seek            (GMythFileTransfer *transfer, 
                                                         guint64 pos, 
                                                         gint whence);
gboolean            gmyth_file_transfer_settimeout      (GMythFileTransfer *transfer, gboolean fast);
guint64             gmyth_file_transfer_get_filesize    (GMythFileTransfer *transfer);

void								gmyth_file_transfer_emit_program_info_changed_signal ( GMythFileTransfer *transfer, 
																																					 gint msg_code,
																																					 gpointer live_tv );

G_END_DECLS

#endif /* __GMYTH_FILE_TRANSFER_H__ */