gio/gdummyproxyresolver.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2010 Collabora, Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
  19  */
  20
  21 #include "config.h"
  22
  23 #include "gdummyproxyresolver.h"
  24
  25 #include <glib.h>
  26
  27 #include "gasyncresult.h"
  28 #include "gcancellable.h"
  29 #include "gproxyresolver.h"
  30 #include "gtask.h"
  31
  32 #include "giomodule.h"
  33 #include "giomodule-priv.h"
  34
  35 struct _GDummyProxyResolver {
  36   GObject parent_instance;
  37 };
  38
  39 static void g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface);
  40
  41 #define g_dummy_proxy_resolver_get_type _g_dummy_proxy_resolver_get_type
  42 G_DEFINE_TYPE_WITH_CODE (GDummyProxyResolver, g_dummy_proxy_resolver, G_TYPE_OBJECT,
  43                          G_IMPLEMENT_INTERFACE (G_TYPE_PROXY_RESOLVER,
  44                                                 g_dummy_proxy_resolver_iface_init)
  45                          _g_io_modules_ensure_extension_points_registered ();
  46                          g_io_extension_point_implement (G_PROXY_RESOLVER_EXTENSION_POINT_NAME,
  47                                                          g_define_type_id,
  48                                                          "dummy",
  49                                                          -100))
  50
  51 static void
  52 g_dummy_proxy_resolver_finalize (GObject *object)
  53 {
  54   /* must chain up */
  55   G_OBJECT_CLASS (g_dummy_proxy_resolver_parent_class)->finalize (object);
  56 }
  57
  58 static void
  59 g_dummy_proxy_resolver_init (GDummyProxyResolver *resolver)
  60 {
  61 }
  62
  63 static gboolean
  64 g_dummy_proxy_resolver_is_supported (GProxyResolver *resolver)
  65 {
  66   return TRUE;
  67 }
  68
  69 static gchar **
  70 g_dummy_proxy_resolver_lookup (GProxyResolver  *resolver,
  71                                const gchar     *uri,
  72                                GCancellable    *cancellable,
  73                                GError         **error)
  74 {
  75   gchar **proxies;
  76
  77   if (g_cancellable_set_error_if_cancelled (cancellable, error))
  78     return NULL;
  79
  80   proxies = g_new0 (gchar *, 2);
  81   proxies[0] = g_strdup ("direct://");
  82
  83   return proxies;
  84 }
  85
  86 static void
  87 g_dummy_proxy_resolver_lookup_async (GProxyResolver      *resolver,
  88                                      const gchar         *uri,
  89                                      GCancellable        *cancellable,
  90                                      GAsyncReadyCallback  callback,
  91                                      gpointer             user_data)
  92 {
  93   GError *error = NULL;
  94   GTask *task;
  95   gchar **proxies;
  96
  97   task = g_task_new (resolver, cancellable, callback, user_data);
  98   g_task_set_source_tag (task, g_dummy_proxy_resolver_lookup_async);
  99
 100   proxies = g_dummy_proxy_resolver_lookup (resolver, uri, cancellable, &error);
 101   if (proxies)
 102     g_task_return_pointer (task, proxies, (GDestroyNotify) g_strfreev);
 103   else
 104     g_task_return_error (task, error);
 105   g_object_unref (task);
 106 }
 107
 108 static gchar **
 109 g_dummy_proxy_resolver_lookup_finish (GProxyResolver     *resolver,
 110                                       GAsyncResult       *result,
 111                                       GError            **error)
 112 {
 113   g_return_val_if_fail (g_task_is_valid (result, resolver), NULL);
 114
 115   return g_task_propagate_pointer (G_TASK (result), error);
 116 }
 117
 118 static void
 119 g_dummy_proxy_resolver_class_init (GDummyProxyResolverClass *resolver_class)
 120 {
 121   GObjectClass *object_class;
 122
 123   object_class = G_OBJECT_CLASS (resolver_class);
 124   object_class->finalize = g_dummy_proxy_resolver_finalize;
 125 }
 126
 127 static void
 128 g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface)
 129 {
 130   iface->is_supported = g_dummy_proxy_resolver_is_supported;
 131   iface->lookup = g_dummy_proxy_resolver_lookup;
 132   iface->lookup_async = g_dummy_proxy_resolver_lookup_async;
 133   iface->lookup_finish = g_dummy_proxy_resolver_lookup_finish;
 134 }