| /* GIO - GLib Input, Output and Streaming Library |
| * |
| * Copyright © 2008 Christian Kellner, Samuel Cormier-Iijima |
| * © 2009 codethink |
| * |
| * 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/>. |
| * |
| * Authors: Christian Kellner <gicmo@gnome.org> |
| * Samuel Cormier-Iijima <sciyoshi@gmail.com> |
| * Ryan Lortie <desrt@desrt.ca> |
| */ |
| |
| #include "config.h" |
| #include "gsocketinputstream.h" |
| #include "glibintl.h" |
| |
| #include "gcancellable.h" |
| #include "gpollableinputstream.h" |
| #include "gioerror.h" |
| #include "gfiledescriptorbased.h" |
| |
| struct _GSocketInputStreamPrivate |
| { |
| GSocket *socket; |
| |
| /* pending operation metadata */ |
| gpointer buffer; |
| gsize count; |
| }; |
| |
| static void g_socket_input_stream_pollable_iface_init (GPollableInputStreamInterface *iface); |
| #ifdef G_OS_UNIX |
| static void g_socket_input_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface); |
| #endif |
| |
| #define g_socket_input_stream_get_type _g_socket_input_stream_get_type |
| |
| #ifdef G_OS_UNIX |
| G_DEFINE_TYPE_WITH_CODE (GSocketInputStream, g_socket_input_stream, G_TYPE_INPUT_STREAM, |
| G_ADD_PRIVATE (GSocketInputStream) |
| G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_INPUT_STREAM, g_socket_input_stream_pollable_iface_init) |
| G_IMPLEMENT_INTERFACE (G_TYPE_FILE_DESCRIPTOR_BASED, g_socket_input_stream_file_descriptor_based_iface_init) |
| ) |
| #else |
| G_DEFINE_TYPE_WITH_CODE (GSocketInputStream, g_socket_input_stream, G_TYPE_INPUT_STREAM, |
| G_ADD_PRIVATE (GSocketInputStream) |
| G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_INPUT_STREAM, g_socket_input_stream_pollable_iface_init) |
| ) |
| #endif |
| |
| enum |
| { |
| PROP_0, |
| PROP_SOCKET |
| }; |
| |
| static void |
| g_socket_input_stream_get_property (GObject *object, |
| guint prop_id, |
| GValue *value, |
| GParamSpec *pspec) |
| { |
| GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object); |
| |
| switch (prop_id) |
| { |
| case PROP_SOCKET: |
| g_value_set_object (value, stream->priv->socket); |
| break; |
| |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
| } |
| } |
| |
| static void |
| g_socket_input_stream_set_property (GObject *object, |
| guint prop_id, |
| const GValue *value, |
| GParamSpec *pspec) |
| { |
| GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object); |
| |
| switch (prop_id) |
| { |
| case PROP_SOCKET: |
| stream->priv->socket = g_value_dup_object (value); |
| break; |
| |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
| } |
| } |
| |
| static void |
| g_socket_input_stream_finalize (GObject *object) |
| { |
| GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object); |
| |
| if (stream->priv->socket) |
| g_object_unref (stream->priv->socket); |
| |
| G_OBJECT_CLASS (g_socket_input_stream_parent_class)->finalize (object); |
| } |
| |
| static gssize |
| g_socket_input_stream_read (GInputStream *stream, |
| void *buffer, |
| gsize count, |
| GCancellable *cancellable, |
| GError **error) |
| { |
| GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (stream); |
| |
| return g_socket_receive_with_blocking (input_stream->priv->socket, |
| buffer, count, TRUE, |
| cancellable, error); |
| } |
| |
| static gboolean |
| g_socket_input_stream_pollable_is_readable (GPollableInputStream *pollable) |
| { |
| GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (pollable); |
| |
| return g_socket_condition_check (input_stream->priv->socket, G_IO_IN); |
| } |
| |
| static GSource * |
| g_socket_input_stream_pollable_create_source (GPollableInputStream *pollable, |
| GCancellable *cancellable) |
| { |
| GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (pollable); |
| GSource *socket_source, *pollable_source; |
| |
| pollable_source = g_pollable_source_new (G_OBJECT (input_stream)); |
| socket_source = g_socket_create_source (input_stream->priv->socket, |
| G_IO_IN, cancellable); |
| g_source_set_dummy_callback (socket_source); |
| g_source_add_child_source (pollable_source, socket_source); |
| g_source_unref (socket_source); |
| |
| return pollable_source; |
| } |
| |
| static gssize |
| g_socket_input_stream_pollable_read_nonblocking (GPollableInputStream *pollable, |
| void *buffer, |
| gsize size, |
| GError **error) |
| { |
| GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (pollable); |
| |
| return g_socket_receive_with_blocking (input_stream->priv->socket, |
| buffer, size, FALSE, |
| NULL, error); |
| } |
| |
| #ifdef G_OS_UNIX |
| static int |
| g_socket_input_stream_get_fd (GFileDescriptorBased *fd_based) |
| { |
| GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (fd_based); |
| |
| return g_socket_get_fd (input_stream->priv->socket); |
| } |
| #endif |
| |
| static void |
| g_socket_input_stream_class_init (GSocketInputStreamClass *klass) |
| { |
| GObjectClass *gobject_class = G_OBJECT_CLASS (klass); |
| GInputStreamClass *ginputstream_class = G_INPUT_STREAM_CLASS (klass); |
| |
| gobject_class->finalize = g_socket_input_stream_finalize; |
| gobject_class->get_property = g_socket_input_stream_get_property; |
| gobject_class->set_property = g_socket_input_stream_set_property; |
| |
| ginputstream_class->read_fn = g_socket_input_stream_read; |
| |
| g_object_class_install_property (gobject_class, PROP_SOCKET, |
| g_param_spec_object ("socket", |
| P_("socket"), |
| P_("The socket that this stream wraps"), |
| G_TYPE_SOCKET, G_PARAM_CONSTRUCT_ONLY | |
| G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); |
| } |
| |
| #ifdef G_OS_UNIX |
| static void |
| g_socket_input_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface) |
| { |
| iface->get_fd = g_socket_input_stream_get_fd; |
| } |
| #endif |
| |
| static void |
| g_socket_input_stream_pollable_iface_init (GPollableInputStreamInterface *iface) |
| { |
| iface->is_readable = g_socket_input_stream_pollable_is_readable; |
| iface->create_source = g_socket_input_stream_pollable_create_source; |
| iface->read_nonblocking = g_socket_input_stream_pollable_read_nonblocking; |
| } |
| |
| static void |
| g_socket_input_stream_init (GSocketInputStream *stream) |
| { |
| stream->priv = g_socket_input_stream_get_instance_private (stream); |
| } |
| |
| GSocketInputStream * |
| _g_socket_input_stream_new (GSocket *socket) |
| { |
| return g_object_new (G_TYPE_SOCKET_INPUT_STREAM, "socket", socket, NULL); |
| } |