1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2018 Igalia S.L.
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
19 #include "mock-resolver.h"
20
21 struct _MockResolver
22 {
23 GResolver parent_instance;
24 guint ipv4_delay_ms;
25 guint ipv6_delay_ms;
26 GList *ipv4_results;
27 GList *ipv6_results;
28 GError *ipv4_error;
29 GError *ipv6_error;
30 };
31
G_DEFINE_TYPE(MockResolver,mock_resolver,G_TYPE_RESOLVER)32 G_DEFINE_TYPE (MockResolver, mock_resolver, G_TYPE_RESOLVER)
33
34 MockResolver *
35 mock_resolver_new (void)
36 {
37 return g_object_new (MOCK_TYPE_RESOLVER, NULL);
38 }
39
40 void
mock_resolver_set_ipv4_delay_ms(MockResolver * self,guint delay_ms)41 mock_resolver_set_ipv4_delay_ms (MockResolver *self, guint delay_ms)
42 {
43 self->ipv4_delay_ms = delay_ms;
44 }
45
46 static gpointer
copy_object(gconstpointer obj,gpointer user_data)47 copy_object (gconstpointer obj, gpointer user_data)
48 {
49 return g_object_ref (G_OBJECT (obj));
50 }
51
52 void
mock_resolver_set_ipv4_results(MockResolver * self,GList * results)53 mock_resolver_set_ipv4_results (MockResolver *self, GList *results)
54 {
55 if (self->ipv4_results)
56 g_list_free_full (self->ipv4_results, g_object_unref);
57 self->ipv4_results = g_list_copy_deep (results, copy_object, NULL);
58 }
59
60 void
mock_resolver_set_ipv4_error(MockResolver * self,GError * error)61 mock_resolver_set_ipv4_error (MockResolver *self, GError *error)
62 {
63 g_clear_error (&self->ipv4_error);
64 if (error)
65 self->ipv4_error = g_error_copy (error);
66 }
67
68 void
mock_resolver_set_ipv6_delay_ms(MockResolver * self,guint delay_ms)69 mock_resolver_set_ipv6_delay_ms (MockResolver *self, guint delay_ms)
70 {
71 self->ipv6_delay_ms = delay_ms;
72 }
73
74 void
mock_resolver_set_ipv6_results(MockResolver * self,GList * results)75 mock_resolver_set_ipv6_results (MockResolver *self, GList *results)
76 {
77 if (self->ipv6_results)
78 g_list_free_full (self->ipv6_results, g_object_unref);
79 self->ipv6_results = g_list_copy_deep (results, copy_object, NULL);
80 }
81
82 void
mock_resolver_set_ipv6_error(MockResolver * self,GError * error)83 mock_resolver_set_ipv6_error (MockResolver *self, GError *error)
84 {
85 g_clear_error (&self->ipv6_error);
86 if (error)
87 self->ipv6_error = g_error_copy (error);
88 }
89
90 static void
do_lookup_by_name(GTask * task,gpointer source_object,gpointer task_data,GCancellable * cancellable)91 do_lookup_by_name (GTask *task,
92 gpointer source_object,
93 gpointer task_data,
94 GCancellable *cancellable)
95 {
96 MockResolver *self = source_object;
97 GResolverNameLookupFlags flags = GPOINTER_TO_UINT(task_data);
98
99 if (flags == G_RESOLVER_NAME_LOOKUP_FLAGS_IPV4_ONLY)
100 {
101 g_usleep (self->ipv4_delay_ms * 1000);
102 if (self->ipv4_error)
103 g_task_return_error (task, g_error_copy (self->ipv4_error));
104 else
105 g_task_return_pointer (task, g_list_copy_deep (self->ipv4_results, copy_object, NULL), NULL);
106 }
107 else if (flags == G_RESOLVER_NAME_LOOKUP_FLAGS_IPV6_ONLY)
108 {
109 g_usleep (self->ipv6_delay_ms * 1000);
110 if (self->ipv6_error)
111 g_task_return_error (task, g_error_copy (self->ipv6_error));
112 else
113 g_task_return_pointer (task, g_list_copy_deep (self->ipv6_results, copy_object, NULL), NULL);
114 }
115 else if (flags == G_RESOLVER_NAME_LOOKUP_FLAGS_DEFAULT)
116 {
117 /* This is only the minimal implementation needed for some tests */
118 g_assert (self->ipv4_error == NULL && self->ipv6_error == NULL && self->ipv6_results == NULL);
119 g_task_return_pointer (task, g_list_copy_deep (self->ipv4_results, copy_object, NULL), NULL);
120 }
121 else
122 g_assert_not_reached ();
123 }
124
125 static void
lookup_by_name_with_flags_async(GResolver * resolver,const gchar * hostname,GResolverNameLookupFlags flags,GCancellable * cancellable,GAsyncReadyCallback callback,gpointer user_data)126 lookup_by_name_with_flags_async (GResolver *resolver,
127 const gchar *hostname,
128 GResolverNameLookupFlags flags,
129 GCancellable *cancellable,
130 GAsyncReadyCallback callback,
131 gpointer user_data)
132 {
133 GTask *task = g_task_new (resolver, cancellable, callback, user_data);
134 g_task_set_task_data (task, GUINT_TO_POINTER(flags), NULL);
135 g_task_run_in_thread (task, do_lookup_by_name);
136 g_object_unref (task);
137 }
138
139 static GList *
lookup_by_name(GResolver * resolver,const gchar * hostname,GCancellable * cancellable,GError ** error)140 lookup_by_name (GResolver *resolver,
141 const gchar *hostname,
142 GCancellable *cancellable,
143 GError **error)
144 {
145 GList *result = NULL;
146 GTask *task = g_task_new (resolver, cancellable, NULL, NULL);
147 g_task_set_task_data (task, GUINT_TO_POINTER (G_RESOLVER_NAME_LOOKUP_FLAGS_DEFAULT), NULL);
148 g_task_run_in_thread_sync (task, do_lookup_by_name);
149 result = g_task_propagate_pointer (task, error);
150 g_object_unref (task);
151 return result;
152 }
153
154
155 static GList *
lookup_by_name_with_flags_finish(GResolver * resolver,GAsyncResult * result,GError ** error)156 lookup_by_name_with_flags_finish (GResolver *resolver,
157 GAsyncResult *result,
158 GError **error)
159 {
160 return g_task_propagate_pointer (G_TASK (result), error);
161 }
162
163 static void
mock_resolver_finalize(GObject * object)164 mock_resolver_finalize (GObject *object)
165 {
166 MockResolver *self = (MockResolver*)object;
167
168 g_clear_error (&self->ipv4_error);
169 g_clear_error (&self->ipv6_error);
170 if (self->ipv6_results)
171 g_list_free_full (self->ipv6_results, g_object_unref);
172 if (self->ipv4_results)
173 g_list_free_full (self->ipv4_results, g_object_unref);
174
175 G_OBJECT_CLASS (mock_resolver_parent_class)->finalize (object);
176 }
177
178 static void
mock_resolver_class_init(MockResolverClass * klass)179 mock_resolver_class_init (MockResolverClass *klass)
180 {
181 GResolverClass *resolver_class = G_RESOLVER_CLASS (klass);
182 GObjectClass *object_class = G_OBJECT_CLASS (klass);
183 resolver_class->lookup_by_name_with_flags_async = lookup_by_name_with_flags_async;
184 resolver_class->lookup_by_name_with_flags_finish = lookup_by_name_with_flags_finish;
185 resolver_class->lookup_by_name = lookup_by_name;
186 object_class->finalize = mock_resolver_finalize;
187 }
188
189 static void
mock_resolver_init(MockResolver * self)190 mock_resolver_init (MockResolver *self)
191 {
192 }
193