# HG changeset patch # User rosfran # Date 1176128355 -3600 # Node ID 5f15d749c024f58011d6a5d842a628ac8ab73466 # Parent 16312d0021cb6f7a6c2a57941174c17065b14182 [svn r517] Newly added GMythFile, a parent GObject to the GMythFileLocal and GMythFileTransfer. diff -r 16312d0021cb -r 5f15d749c024 gmyth/src/gmyth_file.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gmyth/src/gmyth_file.c Mon Apr 09 15:19:15 2007 +0100 @@ -0,0 +1,313 @@ +/** + * GMyth Library + * + * @file gmyth/gmyth_file.c + * + * @brief

GMythFile 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 + * + *//* + * + * 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 + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gmyth_file.h" +#include "gmyth_recorder.h" +#include "gmyth_util.h" +#include "gmyth_socket.h" +#include "gmyth_stringlist.h" +#include "gmyth_debug.h" +#include "gmyth_uri.h" +#include "gmyth_marshal.h" + +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#define GMYTH_FILE_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GMYTH_FILE_TYPE, GMythFilePrivate)) + +struct _GMythFilePrivate { + gboolean disposed; + gint64 offset; + guint64 filesize; + + GMythBackendInfo *backend_info; + + /* Myth URI structure */ + gchar *filename; + + gint file_id; +}; + +static void gmyth_file_class_init (GMythFileClass *klass); +static void gmyth_file_init (GMythFile *object); +static void gmyth_file_dispose (GObject *object); +static void gmyth_file_finalize (GObject *object); + +G_DEFINE_TYPE(GMythFile, gmyth_file, GMYTH_FILE_TYPE) + +static void +gmyth_file_class_init (GMythFileClass *klass) +{ + GObjectClass *gobject_class; + GMythFileClass *gtransfer_class; + + gobject_class = (GObjectClass *) klass; + gtransfer_class = (GMythFileClass *) gobject_class; + + gobject_class->dispose = gmyth_file_dispose; + gobject_class->finalize = gmyth_file_finalize; + + g_type_class_add_private (gobject_class, sizeof (GMythFilePrivate)); + +} + +static void +gmyth_file_init (GMythFile *file) +{ + GMythFilePrivate *priv; + g_return_if_fail( file != NULL ); + + priv = GMYTH_FILE_GET_PRIVATE(file); +} + +static void +gmyth_file_dispose (GObject *object) +{ + GMythFilePrivate *priv; + GMythFile *file = GMYTH_FILE (object); + + g_return_if_fail( file != NULL ); + + priv = GMYTH_FILE_GET_PRIVATE(file); + + if (priv->disposed) { + /* If dispose did already run, return. */ + return; + } + + /* Make sure dispose does not run twice. */ + priv->disposed = TRUE; + + if (priv->backend_info != NULL ) { + g_object_unref (priv->backend_info ); + priv->backend_info = NULL; + } + + if (priv->filename != NULL ) { + g_free (priv->filename ); + priv->filename = NULL; + } + + G_OBJECT_CLASS (gmyth_file_parent_class)->dispose (object); +} + +static void +gmyth_file_finalize (GObject *object) +{ + g_signal_handlers_destroy (object); + + G_OBJECT_CLASS (gmyth_file_parent_class)->finalize (object); +} + +/** + * Creates a new instance of GMythFile. + * + * @param backend_info The BackendInfo instance, with all the MythTV network + * configuration data. + * + * @return a new instance of the File Transfer. + */ +GMythFile* +gmyth_file_new (GMythBackendInfo *backend_info) +{ + GMythFile *file = GMYTH_FILE (g_object_new (GMYTH_FILE_TYPE, NULL)); + GMythFilePrivate *priv = GMYTH_FILE_GET_PRIVATE (file); + + priv->backend_info = g_object_ref (backend_info); + + return file; +} + +gchar* +gmyth_file_get_file_name (GMythFile *file) +{ + GMythFilePrivate *priv = GMYTH_FILE_GET_PRIVATE (file); + + return g_strdup (priv->filename); +} + +void +gmyth_file_set_file_name (GMythFile *file, const gchar* filename) +{ + GMythFilePrivate *priv = GMYTH_FILE_GET_PRIVATE (file); + + return priv->filename = g_strdup (filename); +} + +/** + * Creates a new instance of GMythFile. + * + * @param uri_str The URI poiting to the MythTV backend server. + * + * @return a new instance of the File Transfer. + */ +GMythFile* +gmyth_file_new_with_uri (const gchar* uri_str) +{ + GMythFile *file = GMYTH_FILE (g_object_new (GMYTH_FILE_TYPE, NULL)); + GMythFilePrivate *priv = GMYTH_FILE_GET_PRIVATE (file); + + priv->backend_info = gmyth_backend_info_new_with_uri (uri_str); + return file; +} + +/** + * Open a File Transfer connection in order to get a remote file. + * + * @param file The actual File Transfer instance. + * @param filename The file name of the remote file to be transfered to the client. + * + * @return true, if the connection opening had been done successfully. + */ +gboolean +gmyth_file_setup (GMythFile *file, const gchar* filename) +{ + gboolean ret = TRUE; + GMythFilePrivate *priv; + + g_return_val_if_fail (file != NULL, FALSE); + g_return_val_if_fail (filename != NULL && strlen(filename) > 0, FALSE); + + priv = GMYTH_FILE_GET_PRIVATE (file); + + if (priv->filename != NULL) + { + gmyth_file_close (file); + } + + priv->filename = g_strdup( filename ); + + return ret; +} + +/** + * Closes a remote File Transfer connection. + * + * @param file The actual File Transfer instance. + */ +void +gmyth_file_close (GMythFile *file ) +{ + GMythFilePrivate *priv; + + g_return_if_fail (file != NULL); + + priv = GMYTH_FILE_GET_PRIVATE (file); + + if (priv->filename) { + g_free (priv->filename); + priv->filename = NULL; + } + +} + +/** + * Gets the actual file size of the binary content. + * + * @param file The actual File Transfer instance. + * + * @return The actual file size in bytes. + */ +guint64 +gmyth_file_get_filesize (GMythFile *file) +{ + GMythFilePrivate *priv; + + g_return_val_if_fail (file != NULL, 0); + + priv = GMYTH_FILE_GET_PRIVATE (file); + return priv->filesize; +} + +/** + * Sets the actual file size. + * + * @param file The actual File Transfer instance. + * @param filesize The actual File Transfer size, in bytes. + */ +void +gmyth_file_set_filesize (GMythFile *file, guint64 filesize) +{ + GMythFilePrivate *priv; + + g_return_val_if_fail (file != NULL, 0); + + priv = GMYTH_FILE_GET_PRIVATE (file); + + priv->filesize = filesize; +} + +/** + * Gets the actual offset of the binary content. + * + * @param file The actual File Transfer instance. + * + * @return The actual file offset in bytes. + */ +gint64 +gmyth_file_get_offset (GMythFile *file) +{ + GMythFilePrivate *priv; + + g_return_val_if_fail (file != NULL, 0); + + priv = GMYTH_FILE_GET_PRIVATE (file); + return priv->offset; +} + +/** + * Sets the actual file offset. + * + * @param file The actual File instance. + * @param filesize The actual File offset, in bytes. + */ +void +gmyth_file_set_offset (GMythFile *file, gint64 offset) +{ + GMythFilePrivate *priv; + + g_return_val_if_fail (file != NULL, 0); + + priv = GMYTH_FILE_GET_PRIVATE (file); + + priv->offset = offset; +} + diff -r 16312d0021cb -r 5f15d749c024 gmyth/src/gmyth_file.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gmyth/src/gmyth_file.h Mon Apr 09 15:19:15 2007 +0100 @@ -0,0 +1,92 @@ +/** + * GMyth Library + * + * @file gmyth/gmyth_file.h + * + * @brief

GMythFile is the parent GMObject that 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 + * + *//* + * + * 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_H__ +#define __GMYTH_FILE_H__ + +#include +#include + +#include "gmyth_uri.h" +#include "gmyth_backendinfo.h" + +#include +#include +#include +#include +#include +#include + +G_BEGIN_DECLS + +#define GMYTH_FILE_TYPE (gmyth_file_get_type ()) +#define GMYTH_FILE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GMYTH_FILE_TYPE, GMythFile)) +#define GMYTH_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GMYTH_FILE_TYPE, GMythFileClass)) +#define IS_GMYTH_FILE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GMYTH_FILE_TYPE)) +#define IS_GMYTH_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GMYTH_FILE_TYPE)) +#define GMYTH_FILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GMYTH_FILE_TYPE, GMythFileClass)) + +typedef enum { + GMYTH_FILE_READ_OK = 0, + GMYTH_FILE_READ_NEXT_PROG_CHAIN = 1, + GMYTH_FILE_READ_ERROR = 2, + GMYTH_FILE_READ_EOF = 3 +} GMythFileReadResult; + +typedef struct _GMythFile GMythFile; +typedef struct _GMythFileClass GMythFileClass; +typedef struct _GMythFilePrivate GMythFilePrivate; + +struct _GMythFile +{ + GObject parent; +}; + +struct _GMythFileClass +{ + GObjectClass parent_class; +}; + +GType gmyth_file_get_type (void); +GMythFile* gmyth_file_new (GMythBackendInfo *backend_info); +gchar* gmyth_file_get_file_name (GMythFile *file); +void gmyth_file_set_file_name (GMythFile *file, const gchar* filename); +gboolean gmyth_file_setup (GMythFile *file, + const gchar* filename); +void gmyth_file_close (GMythFile *file); +gboolean gmyth_file_is_open (GMythFile *file); + +guint64 gmyth_file_get_filesize (GMythFile *file); +void gmyth_file_set_filesize (GMythFile *file, guint64 filesize); + +gint64 gmyth_file_get_offset (GMythFile *file); +void gmyth_file_set_offset (GMythFile *file, gint64 offset); + +G_END_DECLS + +#endif /* __GMYTH_FILE_H__ */