/gio/gsocketinputstream.c
C | 225 lines | 166 code | 36 blank | 23 comment | 3 complexity | ac71d39b6a0bf44ac7a2c3fba6ca9fbe MD5 | raw file
Possible License(s): LGPL-2.1, AGPL-3.0
- /* 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);
- }