| /* 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 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, write to the |
| * Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
| * Boston, MA 02111-1307, USA. |
| * |
| * Authors: Christian Kellner <gicmo@gnome.org> |
| * Samuel Cormier-Iijima <sciyoshi@gmail.com> |
| * Ryan Lortie <desrt@desrt.ca> |
| */ |
| |
| #include "config.h" |
| #include "goutputstream.h" |
| #include "gsocketoutputstream.h" |
| #include "gsocket.h" |
| #include "glibintl.h" |
| |
| #include "gsimpleasyncresult.h" |
| #include "gcancellable.h" |
| #include "gpollableinputstream.h" |
| #include "gpollableoutputstream.h" |
| #include "gioerror.h" |
| #include "glibintl.h" |
| #include "gfiledescriptorbased.h" |
| |
| static void g_socket_output_stream_pollable_iface_init (GPollableOutputStreamInterface *iface); |
| #ifdef G_OS_UNIX |
| static void g_socket_output_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface); |
| #endif |
| |
| #define g_socket_output_stream_get_type _g_socket_output_stream_get_type |
| |
| #ifdef G_OS_UNIX |
| G_DEFINE_TYPE_WITH_CODE (GSocketOutputStream, g_socket_output_stream, G_TYPE_OUTPUT_STREAM, |
| G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_socket_output_stream_pollable_iface_init) |
| G_IMPLEMENT_INTERFACE (G_TYPE_FILE_DESCRIPTOR_BASED, g_socket_output_stream_file_descriptor_based_iface_init) |
| ) |
| #else |
| G_DEFINE_TYPE_WITH_CODE (GSocketOutputStream, g_socket_output_stream, G_TYPE_OUTPUT_STREAM, |
| G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_socket_output_stream_pollable_iface_init) |
| ) |
| #endif |
| |
| enum |
| { |
| PROP_0, |
| PROP_SOCKET |
| }; |
| |
| struct _GSocketOutputStreamPrivate |
| { |
| GSocket *socket; |
| |
| /* pending operation metadata */ |
| GSimpleAsyncResult *result; |
| GCancellable *cancellable; |
| gconstpointer buffer; |
| gsize count; |
| }; |
| |
| static void |
| g_socket_output_stream_get_property (GObject *object, |
| guint prop_id, |
| GValue *value, |
| GParamSpec *pspec) |
| { |
| GSocketOutputStream *stream = G_SOCKET_OUTPUT_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_output_stream_set_property (GObject *object, |
| guint prop_id, |
| const GValue *value, |
| GParamSpec *pspec) |
| { |
| GSocketOutputStream *stream = G_SOCKET_OUTPUT_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_output_stream_finalize (GObject *object) |
| { |
| GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object); |
| |
| if (stream->priv->socket) |
| g_object_unref (stream->priv->socket); |
| |
| if (G_OBJECT_CLASS (g_socket_output_stream_parent_class)->finalize) |
| (*G_OBJECT_CLASS (g_socket_output_stream_parent_class)->finalize) (object); |
| } |
| |
| static gssize |
| g_socket_output_stream_write (GOutputStream *stream, |
| const void *buffer, |
| gsize count, |
| GCancellable *cancellable, |
| GError **error) |
| { |
| GSocketOutputStream *onput_stream = G_SOCKET_OUTPUT_STREAM (stream); |
| |
| return g_socket_send_with_blocking (onput_stream->priv->socket, |
| buffer, count, TRUE, |
| cancellable, error); |
| } |
| |
| static gboolean |
| g_socket_output_stream_write_ready (GSocket *socket, |
| GIOCondition condition, |
| GSocketOutputStream *stream) |
| { |
| GSimpleAsyncResult *simple; |
| GError *error = NULL; |
| gssize result; |
| |
| result = g_socket_send_with_blocking (stream->priv->socket, |
| stream->priv->buffer, |
| stream->priv->count, |
| FALSE, |
| stream->priv->cancellable, |
| &error); |
| |
| if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK)) |
| return TRUE; |
| |
| simple = stream->priv->result; |
| stream->priv->result = NULL; |
| |
| if (result >= 0) |
| g_simple_async_result_set_op_res_gssize (simple, result); |
| |
| if (error) |
| g_simple_async_result_take_error (simple, error); |
| |
| if (stream->priv->cancellable) |
| g_object_unref (stream->priv->cancellable); |
| |
| g_simple_async_result_complete (simple); |
| g_object_unref (simple); |
| |
| return FALSE; |
| } |
| |
| static void |
| g_socket_output_stream_write_async (GOutputStream *stream, |
| const void *buffer, |
| gsize count, |
| gint io_priority, |
| GCancellable *cancellable, |
| GAsyncReadyCallback callback, |
| gpointer user_data) |
| { |
| GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (stream); |
| GSource *source; |
| |
| g_assert (output_stream->priv->result == NULL); |
| |
| output_stream->priv->result = |
| g_simple_async_result_new (G_OBJECT (stream), callback, user_data, |
| g_socket_output_stream_write_async); |
| if (cancellable) |
| g_object_ref (cancellable); |
| output_stream->priv->cancellable = cancellable; |
| output_stream->priv->buffer = buffer; |
| output_stream->priv->count = count; |
| |
| source = g_socket_create_source (output_stream->priv->socket, |
| G_IO_OUT | G_IO_HUP | G_IO_ERR, |
| cancellable); |
| g_source_set_callback (source, |
| (GSourceFunc) g_socket_output_stream_write_ready, |
| g_object_ref (output_stream), g_object_unref); |
| g_source_attach (source, g_main_context_get_thread_default ()); |
| g_source_unref (source); |
| } |
| |
| static gssize |
| g_socket_output_stream_write_finish (GOutputStream *stream, |
| GAsyncResult *result, |
| GError **error) |
| { |
| GSimpleAsyncResult *simple; |
| gssize count; |
| |
| g_return_val_if_fail (G_IS_SOCKET_OUTPUT_STREAM (stream), -1); |
| |
| simple = G_SIMPLE_ASYNC_RESULT (result); |
| |
| g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_socket_output_stream_write_async); |
| |
| count = g_simple_async_result_get_op_res_gssize (simple); |
| |
| return count; |
| } |
| |
| static gboolean |
| g_socket_output_stream_pollable_is_writable (GPollableOutputStream *pollable) |
| { |
| GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable); |
| |
| return g_socket_condition_check (output_stream->priv->socket, G_IO_OUT); |
| } |
| |
| static GSource * |
| g_socket_output_stream_pollable_create_source (GPollableOutputStream *pollable, |
| GCancellable *cancellable) |
| { |
| GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable); |
| GSource *socket_source, *pollable_source; |
| |
| pollable_source = g_pollable_source_new (G_OBJECT (output_stream)); |
| socket_source = g_socket_create_source (output_stream->priv->socket, |
| G_IO_OUT, 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_output_stream_pollable_write_nonblocking (GPollableOutputStream *pollable, |
| const void *buffer, |
| gsize size, |
| GError **error) |
| { |
| GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable); |
| |
| return g_socket_send_with_blocking (output_stream->priv->socket, |
| buffer, size, FALSE, |
| NULL, error); |
| } |
| |
| #ifdef G_OS_UNIX |
| static int |
| g_socket_output_stream_get_fd (GFileDescriptorBased *fd_based) |
| { |
| GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (fd_based); |
| |
| return g_socket_get_fd (output_stream->priv->socket); |
| } |
| #endif |
| |
| static void |
| g_socket_output_stream_class_init (GSocketOutputStreamClass *klass) |
| { |
| GObjectClass *gobject_class = G_OBJECT_CLASS (klass); |
| GOutputStreamClass *goutputstream_class = G_OUTPUT_STREAM_CLASS (klass); |
| |
| g_type_class_add_private (klass, sizeof (GSocketOutputStreamPrivate)); |
| |
| gobject_class->finalize = g_socket_output_stream_finalize; |
| gobject_class->get_property = g_socket_output_stream_get_property; |
| gobject_class->set_property = g_socket_output_stream_set_property; |
| |
| goutputstream_class->write_fn = g_socket_output_stream_write; |
| goutputstream_class->write_async = g_socket_output_stream_write_async; |
| goutputstream_class->write_finish = g_socket_output_stream_write_finish; |
| |
| 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_output_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface) |
| { |
| iface->get_fd = g_socket_output_stream_get_fd; |
| } |
| #endif |
| |
| static void |
| g_socket_output_stream_pollable_iface_init (GPollableOutputStreamInterface *iface) |
| { |
| iface->is_writable = g_socket_output_stream_pollable_is_writable; |
| iface->create_source = g_socket_output_stream_pollable_create_source; |
| iface->write_nonblocking = g_socket_output_stream_pollable_write_nonblocking; |
| } |
| |
| static void |
| g_socket_output_stream_init (GSocketOutputStream *stream) |
| { |
| stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, G_TYPE_SOCKET_OUTPUT_STREAM, GSocketOutputStreamPrivate); |
| } |
| |
| GSocketOutputStream * |
| _g_socket_output_stream_new (GSocket *socket) |
| { |
| return G_SOCKET_OUTPUT_STREAM (g_object_new (G_TYPE_SOCKET_OUTPUT_STREAM, "socket", socket, NULL)); |
| } |