mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2025-02-03 17:56:17 +01:00
Implement GProxyConnection a GIOStream+GTcpConn wrapper
This class inherit from GTcpConnection by refing the socket of an existing GTcpConnection and wraps a custom GIOStream into itself. This is to allow implementing proxies that alters data stream, like when using GSSAPI privacy inside SOCKS5.
This commit is contained in:
Nicolas Dufresne
parent
6fa1136600
commit
ee3dbf747e
@ -355,6 +355,8 @@ libgio_2_0_la_SOURCES = \
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gproxy.c \
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gproxy.c \
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gproxyaddress.c \
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gproxyaddress.c \
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gproxyaddressenumerator.c \
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gproxyaddressenumerator.c \
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gproxyconnection.c \
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gproxyconnection.h \
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gsocketservice.c \
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gsocketservice.c \
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gsrvtarget.c \
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gsrvtarget.c \
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gtcpconnection.c \
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gtcpconnection.c \
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155
gio/gproxyconnection.c
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155
gio/gproxyconnection.c
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@ -0,0 +1,155 @@
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright © 2010 Collabora Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors: Nicolas Dufresne <nicolas.dufresne@colllabora.co.uk>
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*/
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#include "config.h"
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#include "gproxyconnection.h"
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#include "gtcpconnection.h"
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#include "glibintl.h"
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#define g_proxy_connection_get_type _g_proxy_connection_get_type
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G_DEFINE_TYPE (GProxyConnection,
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g_proxy_connection, G_TYPE_TCP_CONNECTION);
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enum
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{
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PROP_NONE,
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PROP_IO_STREAM
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};
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struct _GProxyConnectionPrivate
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{
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GIOStream *io_stream;
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};
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static GInputStream *
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g_proxy_connection_get_input_stream (GIOStream *io_stream)
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{
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GProxyConnection *connection;
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connection = G_PROXY_PROXY_CONNECTION (io_stream);
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return g_io_stream_get_input_stream (connection->priv->io_stream);
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}
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static GOutputStream *
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g_proxy_connection_get_output_stream (GIOStream *io_stream)
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{
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GProxyConnection *connection;
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connection = G_PROXY_PROXY_CONNECTION (io_stream);
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return g_io_stream_get_output_stream (connection->priv->io_stream);
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}
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static void
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g_proxy_connection_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GProxyConnection *connection = G_PROXY_PROXY_CONNECTION (object);
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switch (prop_id)
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{
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case PROP_IO_STREAM:
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g_value_set_object (value, connection->priv->io_stream);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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g_proxy_connection_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GProxyConnection *connection = G_PROXY_PROXY_CONNECTION (object);
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switch (prop_id)
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{
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case PROP_IO_STREAM:
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connection->priv->io_stream = G_IO_STREAM (g_value_dup_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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g_proxy_connection_finalize (GObject *object)
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{
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GProxyConnection *connection = G_PROXY_PROXY_CONNECTION (object);
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g_object_unref (connection->priv->io_stream);
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G_OBJECT_CLASS (g_proxy_connection_parent_class)->finalize (object);
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}
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static void
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g_proxy_connection_class_init (GProxyConnectionClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GIOStreamClass *stream_class = G_IO_STREAM_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GProxyConnectionPrivate));
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gobject_class->set_property = g_proxy_connection_set_property;
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gobject_class->get_property = g_proxy_connection_get_property;
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gobject_class->finalize = g_proxy_connection_finalize;
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stream_class->get_input_stream = g_proxy_connection_get_input_stream;
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stream_class->get_output_stream = g_proxy_connection_get_output_stream;
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g_object_class_install_property (gobject_class,
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PROP_IO_STREAM,
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g_param_spec_object ("io-stream",
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P_("IO Stream"),
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P_("The altered streams"),
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G_TYPE_SOCKET_CONNECTION,
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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}
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static void
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g_proxy_connection_init (GProxyConnection *connection)
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{
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connection->priv = G_TYPE_INSTANCE_GET_PRIVATE (connection,
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G_TYPE_PROXY_CONNECTION,
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GProxyConnectionPrivate);
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}
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GSocketConnection *
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_g_proxy_connection_new (GTcpConnection *connection,
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GIOStream *io_stream)
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{
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GSocket *socket;
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socket = g_socket_connection_get_socket (G_SOCKET_CONNECTION (connection));
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return G_SOCKET_CONNECTION (g_object_new (G_TYPE_PROXY_CONNECTION,
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"io-stream", io_stream,
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"socket", socket,
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NULL));
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}
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69
gio/gproxyconnection.h
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69
gio/gproxyconnection.h
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@ -0,0 +1,69 @@
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/* GIO - GLib Input, Output and Streaming Library
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* Copyright © 2010 Collabora Ltd.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2 of the licence or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
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*
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*/
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#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
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#error "Only <gio/gio.h> can be included directly."
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#endif
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#ifndef __G_PROXY_PROXY_CONNECTION_H__
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#define __G_PROXY_PROXY_CONNECTION_H__
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#include <glib-object.h>
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#include <gio/gtcpconnection.h>
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G_BEGIN_DECLS
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#define G_TYPE_PROXY_CONNECTION (_g_proxy_connection_get_type ())
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#define G_PROXY_PROXY_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
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G_TYPE_PROXY_CONNECTION, GProxyConnection))
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#define G_PROXY_PROXY_CONNECTION_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
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G_TYPE_PROXY_CONNECTION, GProxyConnectionClass))
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#define G_IS_PROXY_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
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G_TYPE_PROXY_CONNECTION))
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#define G_IS_PROXY_CONNECTION_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
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G_TYPE_PROXY_CONNECTION))
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#define G_PROXY_PROXY_CONNECTION_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
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G_TYPE_PROXY_CONNECTION, GProxyConnectionClass))
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typedef struct _GProxyConnection GProxyConnection;
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typedef struct _GProxyConnectionPrivate GProxyConnectionPrivate;
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typedef struct _GProxyConnectionClass GProxyConnectionClass;
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struct _GProxyConnectionClass
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{
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GTcpConnectionClass parent_class;
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};
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struct _GProxyConnection
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{
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GTcpConnection parent_instance;
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GProxyConnectionPrivate *priv;
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};
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GType _g_proxy_connection_get_type (void) G_GNUC_CONST;
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GSocketConnection *_g_proxy_connection_new (GTcpConnection *connection,
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GIOStream *io_stream);
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G_END_DECLS
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#endif /* __G_PROXY_PROXY_CONNECTION_H__ */
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