<chapter id="resolver">
<title>DNS resolution</title>
<xi:include href="xml/gresolver.xml"/>
+ <xi:include href="xml/gproxyresolver.xml"/>
<xi:include href="xml/gsocketconnectable.xml"/>
<xi:include href="xml/gnetworkaddress.xml"/>
<xi:include href="xml/gnetworkservice.xml"/>
G_IS_SIMPLE_ACTION_GROUP_CLASS
G_SIMPLE_ACTION_GROUP
</SECTION>
+
+<SECTION>
+<FILE>gproxyresolver</FILE>
+<TITLE>GProxyResolver</TITLE>
+GProxyResolver
+GProxyResolverIface
+G_PROXY_RESOLVER_EXTENSION_POINT_NAME
+g_proxy_resolver_get_default
+g_proxy_resolver_is_supported
+g_proxy_resolver_lookup
+g_proxy_resolver_lookup_async
+g_proxy_resolver_lookup_finish
+<SUBSECTION Standard>
+G_PROXY_RESOLVER
+G_IS_PROXY_RESOLVER
+G_TYPE_PROXY_RESOLVER
+G_PROXY_RESOLVER_GET_IFACE
+<SUBSECTION Private>
+g_proxy_resolver_get_type
+</SECTION>
g_output_stream_splice_flags_get_type
g_password_save_get_type
g_permission_get_type
+g_proxy_resolver_get_type
g_resolver_error_get_type
g_resolver_get_type
g_seekable_get_type
gdrive.c \
gdummyfile.h \
gdummyfile.c \
+ gdummyproxyresolver.c \
+ gdummyproxyresolver.h \
gemblem.h \
gemblem.c \
gemblemedicon.h \
gpermission.c \
gpollfilemonitor.c \
gpollfilemonitor.h \
+ gproxyresolver.c \
gresolver.c \
gseekable.c \
gsimpleasyncresult.c \
gnetworkservice.h \
goutputstream.h \
gpermission.h \
+ gproxyresolver.h \
gresolver.h \
gseekable.h \
gsimpleasyncresult.h \
--- /dev/null
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2010 Collabora, Ltd.
+ *
+ * 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.
+ *
+ * Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
+ */
+
+#include "config.h"
+
+#include "gdummyproxyresolver.h"
+
+#include <glib.h>
+
+#include "gasyncresult.h"
+#include "gcancellable.h"
+#include "gproxyresolver.h"
+#include "gsimpleasyncresult.h"
+
+#include "giomodule.h"
+#include "giomodule-priv.h"
+
+struct _GDummyProxyResolver {
+ GObject parent_instance;
+};
+
+static void g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface);
+
+#define g_dummy_proxy_resolver_get_type _g_dummy_proxy_resolver_get_type
+G_DEFINE_TYPE_WITH_CODE (GDummyProxyResolver, g_dummy_proxy_resolver, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (G_TYPE_PROXY_RESOLVER,
+ g_dummy_proxy_resolver_iface_init)
+ _g_io_modules_ensure_extension_points_registered ();
+ g_io_extension_point_implement (G_PROXY_RESOLVER_EXTENSION_POINT_NAME,
+ g_define_type_id,
+ "dummy",
+ -100))
+
+static void
+g_dummy_proxy_resolver_finalize (GObject *object)
+{
+ /* must chain up */
+ G_OBJECT_CLASS (g_dummy_proxy_resolver_parent_class)->finalize (object);
+}
+
+static void
+g_dummy_proxy_resolver_init (GDummyProxyResolver *resolver)
+{
+}
+
+static gboolean
+g_dummy_proxy_resolver_is_supported (GProxyResolver *resolver)
+{
+ return TRUE;
+}
+
+static gchar **
+g_dummy_proxy_resolver_lookup (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GError **error)
+{
+ gchar **proxies;
+
+ if (g_cancellable_set_error_if_cancelled (cancellable, error))
+ return NULL;
+
+ proxies = g_new0 (gchar *, 2);
+ proxies[0] = g_strdup ("direct://");
+
+ return proxies;
+}
+
+static void
+g_dummy_proxy_resolver_lookup_async (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GError *error = NULL;
+ GSimpleAsyncResult *simple;
+ gchar **proxies;
+
+ proxies = g_dummy_proxy_resolver_lookup (resolver, uri, cancellable, &error);
+
+
+ simple = g_simple_async_result_new (G_OBJECT (resolver),
+ callback, user_data,
+ g_dummy_proxy_resolver_lookup_async);
+
+ if (proxies == NULL)
+ {
+ g_simple_async_result_set_from_error (simple, error);
+ g_error_free (error);
+ }
+ else
+ {
+ g_simple_async_result_set_op_res_gpointer (simple,
+ proxies,
+ NULL);
+ }
+
+ g_simple_async_result_complete_in_idle (simple);
+ g_object_unref (simple);
+}
+
+static gchar **
+g_dummy_proxy_resolver_lookup_finish (GProxyResolver *resolver,
+ GAsyncResult *result,
+ GError **error)
+{
+ if (G_IS_SIMPLE_ASYNC_RESULT (result))
+ {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+
+ if (g_simple_async_result_propagate_error (simple, error))
+ return NULL;
+
+ return g_simple_async_result_get_op_res_gpointer (simple);
+ }
+
+ return NULL;
+}
+
+static void
+g_dummy_proxy_resolver_class_init (GDummyProxyResolverClass *resolver_class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (resolver_class);
+ object_class->finalize = g_dummy_proxy_resolver_finalize;
+}
+
+static void
+g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface)
+{
+ iface->is_supported = g_dummy_proxy_resolver_is_supported;
+ iface->lookup = g_dummy_proxy_resolver_lookup;
+ iface->lookup_async = g_dummy_proxy_resolver_lookup_async;
+ iface->lookup_finish = g_dummy_proxy_resolver_lookup_finish;
+}
--- /dev/null
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2010 Collabora, Ltd.
+ *
+ * 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.
+ *
+ * Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
+ */
+
+#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
+#error "Only <gio/gio.h> can be included directly."
+#endif
+
+#ifndef __G_DUMMY_PROXY_RESOLVER_H__
+#define __G_DUMMY_PROXY_RESOLVER_H__
+
+#include <gio/giotypes.h>
+
+G_BEGIN_DECLS
+
+#define G_TYPE_DUMMY_PROXY_RESOLVER (_g_dummy_proxy_resolver_get_type ())
+#define G_DUMMY_PROXY_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_DUMMY_PROXY_RESOLVER, GDummyProxyResolver))
+#define G_DUMMY_PROXY_RESOLVER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_DUMMY_PROXY_RESOLVER, GDummyProxyResolverClass))
+#define G_IS_DUMMY_PROXY_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_DUMMY_PROXY_RESOLVER))
+#define G_IS_DUMMY_PROXY_RESOLVER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_DUMMY_PROXY_RESOLVER))
+#define G_DUMMY_PROXY_RESOLVER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_DUMMY_PROXY_RESOLVER, GDummyProxyResolverClass))
+
+typedef struct _GDummyProxyResolver GDummyProxyResolver;
+typedef struct _GDummyProxyResolverClass GDummyProxyResolverClass;
+
+
+struct _GDummyProxyResolverClass {
+ GObjectClass parent_class;
+};
+
+GType _g_dummy_proxy_resolver_get_type (void);
+
+
+G_END_DECLS
+
+#endif /* __G_DUMMY_PROXY_RESOLVER_H__ */
#include <gio/gnetworkservice.h>
#include <gio/goutputstream.h>
#include <gio/gpermission.h>
+#include <gio/gproxyresolver.h>
#include <gio/gresolver.h>
#include <gio/gseekable.h>
#include <gio/gsettings.h>
#endif
#endif
+#if IN_HEADER(__G_PROXY_RESOLVER_H__)
+#if IN_FILE(__G_PROXY_RESOLVER_C__)
+g_proxy_resolver_get_default
+g_proxy_resolver_get_type
+g_proxy_resolver_is_supported
+g_proxy_resolver_lookup
+g_proxy_resolver_lookup_async
+g_proxy_resolver_lookup_finish
+#endif
+#endif
+
#if IN_HEADER(__G_RESOLVER_H__)
#if IN_FILE(__G_RESOLVER_C__)
g_resolver_error_quark
#include "glocalfilemonitor.h"
#include "glocaldirectorymonitor.h"
#include "gnativevolumemonitor.h"
+#include "gproxyresolver.h"
#include "gvfs.h"
#ifdef G_OS_UNIX
#include "gdesktopappinfo.h"
extern GType g_win32_directory_monitor_get_type (void);
extern GType _g_winhttp_vfs_get_type (void);
+extern GType _g_dummy_proxy_resolver_get_type (void);
+
#ifdef G_PLATFORM_WIN32
#include <windows.h>
ep = g_io_extension_point_register ("gsettings-backend");
g_io_extension_point_set_required_type (ep, G_TYPE_OBJECT);
+
+ ep = g_io_extension_point_register (G_PROXY_RESOLVER_EXTENSION_POINT_NAME);
+ g_io_extension_point_set_required_type (ep, G_TYPE_PROXY_RESOLVER);
}
G_UNLOCK (registered_extensions);
_g_winhttp_vfs_get_type ();
#endif
_g_local_vfs_get_type ();
+ _g_dummy_proxy_resolver_get_type ();
}
G_UNLOCK (loaded_dirs);
typedef struct _GVfs GVfs; /* Dummy typedef */
/**
+ * GProxyResolver:
+ *
+ * A helper class to enumerate proxies base on URI.
+ *
+ * Since: 2.26
+ **/
+typedef struct _GProxyResolver GProxyResolver;
+
+/**
* GVolume:
*
* Opaque mountable volume object.
--- /dev/null
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2010 Collabora, Ltd.
+ *
+ * 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.
+ *
+ * Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
+ */
+
+#include "config.h"
+
+#include "gproxyresolver.h"
+
+#include <glib.h>
+#include "glibintl.h"
+
+#include "gasyncresult.h"
+#include "gcancellable.h"
+#include "giomodule.h"
+#include "giomodule-priv.h"
+#include "gsimpleasyncresult.h"
+
+/**
+ * SECTION:gproxyresolver
+ * @short_description: Asynchronous and cancellable network proxy resolver
+ * @include: gio/gio.h
+ *
+ * #GProxyResolver provides synchronous and asynchronous network proxy
+ * resolution. #GProxyResolver is used within #GClientSocket through
+ * the method g_socket_connectable_proxy_enumerate().
+ */
+
+G_DEFINE_INTERFACE (GProxyResolver, g_proxy_resolver, G_TYPE_OBJECT)
+
+static void
+g_proxy_resolver_default_init (GProxyResolverInterface *iface)
+{
+}
+
+static gpointer
+get_default_proxy_resolver (gpointer arg)
+{
+ const gchar *use_this;
+ GProxyResolver *resolver;
+ GList *l;
+ GIOExtensionPoint *ep;
+ GIOExtension *extension;
+
+
+ use_this = g_getenv ("GIO_USE_PROXY_RESOLVER");
+
+ /* Ensure proxy-resolver modules loaded */
+ _g_io_modules_ensure_loaded ();
+
+ ep = g_io_extension_point_lookup (G_PROXY_RESOLVER_EXTENSION_POINT_NAME);
+
+ if (use_this)
+ {
+ extension = g_io_extension_point_get_extension_by_name (ep, use_this);
+ if (extension)
+ {
+ resolver = g_object_new (g_io_extension_get_type (extension), NULL);
+
+ if (g_proxy_resolver_is_supported (resolver))
+ return resolver;
+
+ g_object_unref (resolver);
+ }
+ }
+
+ for (l = g_io_extension_point_get_extensions (ep); l != NULL; l = l->next)
+ {
+ extension = l->data;
+
+ resolver = g_object_new (g_io_extension_get_type (extension), NULL);
+
+ if (g_proxy_resolver_is_supported (resolver))
+ return resolver;
+
+ g_object_unref (resolver);
+ }
+
+ return NULL;
+}
+
+/**
+ * g_proxy_resolver_get_default:
+ *
+ * Gets the default #GProxyResolver for the system.
+ *
+ * Return value: the default #GProxyResolver.
+ *
+ * Since: 2.26
+ */
+GProxyResolver *
+g_proxy_resolver_get_default (void)
+{
+ static GOnce once_init = G_ONCE_INIT;
+
+ return g_once (&once_init, get_default_proxy_resolver, NULL);
+}
+
+/**
+ * g_proxy_resolver_is_supported:
+ * @resolver: a #GProxyResolver
+ *
+ * Checks if @resolver can be used on this system. (This is used
+ * internally; g_proxy_resolver_get_default() will only return a proxy
+ * resolver that returns %TRUE for this method.)
+ *
+ * Return value: %TRUE if @resolver is supported.
+ *
+ * Since: 2.26
+ */
+gboolean
+g_proxy_resolver_is_supported (GProxyResolver *resolver)
+{
+ GProxyResolverInterface *iface;
+
+ g_return_val_if_fail (G_IS_PROXY_RESOLVER (resolver), FALSE);
+
+ iface = G_PROXY_RESOLVER_GET_IFACE (resolver);
+
+ return (* iface->is_supported) (resolver);
+}
+
+/**
+ * g_proxy_resolver_lookup:
+ * @resolver: a #GProxyResolver
+ * @uri: a URI representing the destination to connect to
+ * @cancellable: a #GCancellable, or %NULL
+ * @error: return location for a #GError, or %NULL
+ *
+ * Looks into the system proxy configuration to determine what proxy,
+ * if any, to use to connect to @uri. The returned proxy URIs are of the
+ * form <literal><protocol>://[user[:password]@]host:port</literal>
+ * or <literal>direct://</literal>, where <protocol> could be
+ * http, rtsp, socks or other proxying protocol.
+ *
+ * If you don't know what network protocol is being used on the
+ * socket, you should use <literal>none</literal> as the URI protocol.
+ * In this case, the resolver might still return a generic proxy type
+ * (such as SOCKS), but would not return protocol-specific proxy types
+ * (such as http).
+ *
+ * <literal>direct://</literal> is used when no proxy is needed.
+ * Direct connection should not be attempted unless it is part of the
+ * returned array of proxies.
+ *
+ * Return value: A NULL-terminated array of proxy URIs. Must be freed with
+ * g_strfreev().
+ *
+ * Since: 2.26
+ */
+gchar **
+g_proxy_resolver_lookup (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GProxyResolverInterface *iface;
+
+ g_return_val_if_fail (G_IS_PROXY_RESOLVER (resolver), NULL);
+ g_return_val_if_fail (uri != NULL, NULL);
+
+ iface = G_PROXY_RESOLVER_GET_IFACE (resolver);
+
+ return (* iface->lookup) (resolver, uri, cancellable, error);
+}
+
+/**
+ * g_proxy_resolver_lookup_async:
+ * @resolver: a #GProxyResolver
+ * @uri: a URI representing the destination to connect to
+ * @cancellable: a #GCancellable, or %NULL
+ * @callback: callback to call after resolution completes
+ * @user_data: data for @callback
+ *
+ * Asynchronous lookup of proxy. See g_proxy_resolver_lookup() for more
+ * details.
+ *
+ * Since: 2.26
+ */
+void
+g_proxy_resolver_lookup_async (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GProxyResolverInterface *iface;
+
+ g_return_if_fail (G_IS_PROXY_RESOLVER (resolver));
+ g_return_if_fail (uri != NULL);
+
+ iface = G_PROXY_RESOLVER_GET_IFACE (resolver);
+
+ (* iface->lookup_async) (resolver, uri, cancellable, callback, user_data);
+}
+
+/**
+ * g_proxy_resolver_lookup_finish:
+ * @resolver: a #GProxyResolver
+ * @result: the result passed to your #GAsyncReadyCallback
+ * @error: return location for a #GError, or %NULL
+ *
+ * Call this function to obtain the array of proxy URIs when
+ * g_proxy_resolver_lookup_async() is complete. See
+ * g_proxy_resolver_lookup() for more details.
+ *
+ * Return value: A NULL-terminated array of proxy URIs. Must be freed with
+ * g_strfreev().
+ *
+ * Since: 2.26
+ */
+gchar **
+g_proxy_resolver_lookup_finish (GProxyResolver *resolver,
+ GAsyncResult *result,
+ GError **error)
+{
+ GProxyResolverInterface *iface;
+
+ g_return_val_if_fail (G_IS_PROXY_RESOLVER (resolver), NULL);
+
+ iface = G_PROXY_RESOLVER_GET_IFACE (resolver);
+
+ return (* iface->lookup_finish) (resolver, result, error);
+}
--- /dev/null
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2010 Collabora, Ltd.
+ *
+ * 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.
+ *
+ * Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
+ */
+
+#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
+#error "Only <gio/gio.h> can be included directly."
+#endif
+
+#ifndef __G_PROXY_RESOLVER_H__
+#define __G_PROXY_RESOLVER_H__
+
+#include <gio/giotypes.h>
+
+G_BEGIN_DECLS
+
+#define G_TYPE_PROXY_RESOLVER (g_proxy_resolver_get_type ())
+#define G_PROXY_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_PROXY_RESOLVER, GProxyResolver))
+#define G_IS_PROXY_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_PROXY_RESOLVER))
+#define G_PROXY_RESOLVER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_PROXY_RESOLVER, GProxyResolverInterface))
+
+/**
+ * G_PROXY_RESOLVER_EXTENSION_POINT_NAME:
+ *
+ * Extension point for proxy resolving functionality.
+ * See <link linkend="extending-gio">Extending GIO</link>.
+ */
+#define G_PROXY_RESOLVER_EXTENSION_POINT_NAME "gio-proxy-resolver"
+
+/**
+ * GProxyResolver:
+ *
+ * Interface that can be used to resolve proxy address.
+ */
+typedef struct _GProxyResolverInterface GProxyResolverInterface;
+
+struct _GProxyResolverInterface {
+ GTypeInterface g_iface;
+
+ /* Virtual Table */
+ gboolean (* is_supported) (GProxyResolver *resolver);
+
+ gchar ** (* lookup) (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GError **error);
+
+ void (* lookup_async) (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+
+ gchar ** (* lookup_finish) (GProxyResolver *resolver,
+ GAsyncResult *result,
+ GError **error);
+};
+
+GType g_proxy_resolver_get_type (void) G_GNUC_CONST;
+GProxyResolver *g_proxy_resolver_get_default (void);
+
+gboolean g_proxy_resolver_is_supported (GProxyResolver *resolver);
+gchar **g_proxy_resolver_lookup (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GError **error);
+void g_proxy_resolver_lookup_async (GProxyResolver *resolver,
+ const gchar *uri,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+gchar **g_proxy_resolver_lookup_finish (GProxyResolver *resolver,
+ GAsyncResult *result,
+ GError **error);
+
+
+G_END_DECLS
+
+#endif /* __G_PROXY_RESOLVER_H__ */
projects / platform / upstream / glib.git / commitdiff