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 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, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
  21  */
  22
  23 #include "config.h"
  24
  25 #include "gdummyproxyresolver.h"
  26
  27 #include <glib.h>
  28
  29 #include "gasyncresult.h"
  30 #include "gcancellable.h"
  31 #include "gproxyresolver.h"
  32 #include "gtask.h"
  33
  34 #include "giomodule.h"
  35 #include "giomodule-priv.h"
  36
  37 struct _GDummyProxyResolver {
  38   GObject parent_instance;
  39 };
  40
  41 static void g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface);
  42
  43 #define g_dummy_proxy_resolver_get_type _g_dummy_proxy_resolver_get_type
  44 G_DEFINE_TYPE_WITH_CODE (GDummyProxyResolver, g_dummy_proxy_resolver, G_TYPE_OBJECT,
  45                          G_IMPLEMENT_INTERFACE (G_TYPE_PROXY_RESOLVER,
  46                                                 g_dummy_proxy_resolver_iface_init)
  47                          _g_io_modules_ensure_extension_points_registered ();
  48                          g_io_extension_point_implement (G_PROXY_RESOLVER_EXTENSION_POINT_NAME,
  49                                                          g_define_type_id,
  50                                                          "dummy",
  51                                                          -100))
  52
  53 static void
  54 g_dummy_proxy_resolver_finalize (GObject *object)
  55 {
  56   /* must chain up */
  57   G_OBJECT_CLASS (g_dummy_proxy_resolver_parent_class)->finalize (object);
  58 }
  59
  60 static void
  61 g_dummy_proxy_resolver_init (GDummyProxyResolver *resolver)
  62 {
  63 }
  64
  65 static gboolean
  66 g_dummy_proxy_resolver_is_supported (GProxyResolver *resolver)
  67 {
  68   return TRUE;
  69 }
  70
  71 static gchar **
  72 g_dummy_proxy_resolver_lookup (GProxyResolver  *resolver,
  73                                const gchar     *uri,
  74                                GCancellable    *cancellable,
  75                                GError         **error)
  76 {
  77   gchar **proxies;
  78
  79   if (g_cancellable_set_error_if_cancelled (cancellable, error))
  80     return NULL;
  81
  82   proxies = g_new0 (gchar *, 2);
  83   proxies[0] = g_strdup ("direct://");
  84
  85   return proxies;
  86 }
  87
  88 static void
  89 g_dummy_proxy_resolver_lookup_async (GProxyResolver      *resolver,
  90                                      const gchar         *uri,
  91                                      GCancellable        *cancellable,
  92                                      GAsyncReadyCallback  callback,
  93                                      gpointer             user_data)
  94 {
  95   GError *error = NULL;
  96   GTask *task;
  97   gchar **proxies;
  98
  99   task = g_task_new (resolver, cancellable, callback, user_data);
 100
 101   proxies = g_dummy_proxy_resolver_lookup (resolver, uri, cancellable, &error);
 102   if (proxies)
 103     g_task_return_pointer (task, proxies, (GDestroyNotify) g_strfreev);
 104   else
 105     g_task_return_error (task, error);
 106   g_object_unref (task);
 107 }
 108
 109 static gchar **
 110 g_dummy_proxy_resolver_lookup_finish (GProxyResolver     *resolver,
 111                                       GAsyncResult       *result,
 112                                       GError            **error)
 113 {
 114   g_return_val_if_fail (g_task_is_valid (result, resolver), NULL);
 115
 116   return g_task_propagate_pointer (G_TASK (result), error);
 117 }
 118
 119 static void
 120 g_dummy_proxy_resolver_class_init (GDummyProxyResolverClass *resolver_class)
 121 {
 122   GObjectClass *object_class;
 123
 124   object_class = G_OBJECT_CLASS (resolver_class);
 125   object_class->finalize = g_dummy_proxy_resolver_finalize;
 126 }
 127
 128 static void
 129 g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface)
 130 {
 131   iface->is_supported = g_dummy_proxy_resolver_is_supported;
 132   iface->lookup = g_dummy_proxy_resolver_lookup;
 133   iface->lookup_async = g_dummy_proxy_resolver_lookup_async;
 134   iface->lookup_finish = g_dummy_proxy_resolver_lookup_finish;
 135 }