1  /* GIO - GLib Input, Output and Streaming Library
       2   *
       3   * Copyright (C) 2010 Collabora, Ltd.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   *
       7   * This library is free software; you can redistribute it and/or
       8   * modify it under the terms of the GNU Lesser General Public
       9   * License as published by the Free Software Foundation; either
      10   * version 2.1 of the License, or (at your option) any later version.
      11   *
      12   * This library is distributed in the hope that it will be useful,
      13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15   * Lesser General Public License for more details.
      16   *
      17   * You should have received a copy of the GNU Lesser General
      18   * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
      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    g_task_set_source_tag (task, g_dummy_proxy_resolver_lookup_async);
     101  
     102    proxies = g_dummy_proxy_resolver_lookup (resolver, uri, cancellable, &error);
     103    if (proxies)
     104      g_task_return_pointer (task, proxies, (GDestroyNotify) g_strfreev);
     105    else
     106      g_task_return_error (task, error);
     107    g_object_unref (task);
     108  }
     109  
     110  static gchar **
     111  g_dummy_proxy_resolver_lookup_finish (GProxyResolver     *resolver,
     112  				      GAsyncResult       *result,
     113  				      GError            **error)
     114  {
     115    g_return_val_if_fail (g_task_is_valid (result, resolver), NULL);
     116  
     117    return g_task_propagate_pointer (G_TASK (result), error);
     118  }
     119  
     120  static void
     121  g_dummy_proxy_resolver_class_init (GDummyProxyResolverClass *resolver_class)
     122  {
     123    GObjectClass *object_class;
     124    
     125    object_class = G_OBJECT_CLASS (resolver_class);
     126    object_class->finalize = g_dummy_proxy_resolver_finalize;
     127  }
     128  
     129  static void
     130  g_dummy_proxy_resolver_iface_init (GProxyResolverInterface *iface)
     131  {
     132    iface->is_supported = g_dummy_proxy_resolver_is_supported;
     133    iface->lookup = g_dummy_proxy_resolver_lookup;
     134    iface->lookup_async = g_dummy_proxy_resolver_lookup_async;
     135    iface->lookup_finish = g_dummy_proxy_resolver_lookup_finish;
     136  }