gkdbus: Fix underflow and unreachable code bug
[platform/upstream/glib.git] / gio / tests / gdbus-connection-slow.c
1 /* GLib testing framework examples and tests
2  *
3  * Copyright (C) 2008-2010 Red Hat, Inc.
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: David Zeuthen <davidz@redhat.com>
21  */
22
23 #include <gio/gio.h>
24 #include <unistd.h>
25 #include <string.h>
26
27 #include <sys/types.h>
28
29 #include "gdbus-tests.h"
30
31 /* all tests rely on a shared mainloop */
32 static GMainLoop *loop = NULL;
33
34 /* ---------------------------------------------------------------------------------------------------- */
35
36 static void
37 test_connection_flush_signal_handler (GDBusConnection  *connection,
38                                       const gchar      *sender_name,
39                                       const gchar      *object_path,
40                                       const gchar      *interface_name,
41                                       const gchar      *signal_name,
42                                       GVariant         *parameters,
43                                       gpointer         user_data)
44 {
45   g_main_loop_quit (loop);
46 }
47
48 static gboolean
49 test_connection_flush_on_timeout (gpointer user_data)
50 {
51   guint iteration = GPOINTER_TO_UINT (user_data);
52   g_printerr ("Timeout waiting 1000 msec on iteration %d\n", iteration);
53   g_assert_not_reached ();
54   return G_SOURCE_REMOVE;
55 }
56
57 static void
58 test_connection_flush (void)
59 {
60   GDBusConnection *connection;
61   GError *error;
62   guint n;
63   guint signal_handler_id;
64   const gchar *flush_helper;
65
66   session_bus_up ();
67
68   error = NULL;
69   connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
70   g_assert_no_error (error);
71   g_assert (connection != NULL);
72
73   signal_handler_id = g_dbus_connection_signal_subscribe (connection,
74                                                           NULL, /* sender */
75                                                           "org.gtk.GDBus.FlushInterface",
76                                                           "SomeSignal",
77                                                           "/org/gtk/GDBus/FlushObject",
78                                                           NULL,
79                                                           G_DBUS_SIGNAL_FLAGS_NONE,
80                                                           test_connection_flush_signal_handler,
81                                                           NULL,
82                                                           NULL);
83   g_assert_cmpint (signal_handler_id, !=, 0);
84
85   flush_helper = g_test_get_filename (G_TEST_BUILT, "gdbus-connection-flush-helper", NULL);
86   for (n = 0; n < 50; n++)
87     {
88       gboolean ret;
89       gint wait_status;
90       guint timeout_mainloop_id;
91       gchar *flush_helper_stdout = NULL;
92       gchar *flush_helper_stderr = NULL;
93
94       error = NULL;
95       ret = g_spawn_command_line_sync (flush_helper,
96                                        &flush_helper_stdout,
97                                        &flush_helper_stderr,
98                                        &wait_status,
99                                        &error) &&
100             g_spawn_check_wait_status (wait_status, &error);
101       if (!ret)
102           g_test_message ("Child process ā€˜%sā€™ failed. stdout:\n%s\nstderr:\n%s",
103                           flush_helper, flush_helper_stdout, flush_helper_stderr);
104
105       g_free (flush_helper_stdout);
106       g_free (flush_helper_stderr);
107
108       g_assert_no_error (error);
109       g_assert_true (ret);
110
111       timeout_mainloop_id = g_timeout_add (1000, test_connection_flush_on_timeout, GUINT_TO_POINTER (n));
112       g_main_loop_run (loop);
113       g_source_remove (timeout_mainloop_id);
114     }
115
116   g_dbus_connection_signal_unsubscribe (connection, signal_handler_id);
117   g_object_unref (connection);
118
119   session_bus_down ();
120 }
121
122 /* ---------------------------------------------------------------------------------------------------- */
123
124 /* Message size > 20MiB ... should be enough to make sure the message
125  * is fragmented when shoved across any transport
126  */
127 #define LARGE_MESSAGE_STRING_LENGTH (20*1024*1024)
128 /* the test will fail if the service name has not appeared after this amount of seconds */
129 #define LARGE_MESSAGE_TIMEOUT_SECONDS 10
130
131 static void
132 large_message_timeout_cb (gpointer data)
133 {
134   (void)data;
135
136   g_error ("Error: timeout waiting for dbus name to appear");
137 }
138
139 static void
140 large_message_on_name_appeared (GDBusConnection *connection,
141                                 const gchar *name,
142                                 const gchar *name_owner,
143                                 gpointer user_data)
144 {
145   GError *error;
146   gchar *request;
147   const gchar *reply;
148   GVariant *result;
149   guint n;
150
151   g_assert (g_source_remove (GPOINTER_TO_UINT (user_data)));
152
153   request = g_new (gchar, LARGE_MESSAGE_STRING_LENGTH + 1);
154   for (n = 0; n < LARGE_MESSAGE_STRING_LENGTH; n++)
155     request[n] = '0' + (n%10);
156   request[n] = '\0';
157
158   error = NULL;
159   result = g_dbus_connection_call_sync (connection,
160                                         "com.example.TestService",      /* bus name */
161                                         "/com/example/TestObject",      /* object path */
162                                         "com.example.Frob",             /* interface name */
163                                         "HelloWorld",                   /* method name */
164                                         g_variant_new ("(s)", request), /* parameters */
165                                         G_VARIANT_TYPE ("(s)"),         /* return type */
166                                         G_DBUS_CALL_FLAGS_NONE,
167                                         G_MAXINT,
168                                         NULL,
169                                         &error);
170   g_assert_no_error (error);
171   g_assert (result != NULL);
172   g_variant_get (result, "(&s)", &reply);
173   g_assert_cmpint (strlen (reply), >, LARGE_MESSAGE_STRING_LENGTH);
174   g_assert (g_str_has_prefix (reply, "You greeted me with '01234567890123456789012"));
175   g_assert (g_str_has_suffix (reply, "6789'. Thanks!"));
176   g_variant_unref (result);
177
178   g_free (request);
179
180   g_main_loop_quit (loop);
181 }
182
183 static void
184 large_message_on_name_vanished (GDBusConnection *connection,
185                                 const gchar *name,
186                                 gpointer user_data)
187 {
188 }
189
190 static void
191 test_connection_large_message (void)
192 {
193   guint watcher_id;
194   guint timeout_id;
195
196   session_bus_up ();
197
198   /* this is safe; testserver will exit once the bus goes away */
199   g_assert (g_spawn_command_line_async (g_test_get_filename (G_TEST_BUILT, "gdbus-testserver", NULL), NULL));
200
201   timeout_id = g_timeout_add_seconds_once (LARGE_MESSAGE_TIMEOUT_SECONDS,
202                                            large_message_timeout_cb,
203                                            NULL);
204
205   watcher_id = g_bus_watch_name (G_BUS_TYPE_SESSION,
206                                  "com.example.TestService",
207                                  G_BUS_NAME_WATCHER_FLAGS_NONE,
208                                  large_message_on_name_appeared,
209                                  large_message_on_name_vanished,
210                                  GUINT_TO_POINTER (timeout_id),  /* user_data */
211                                  NULL); /* GDestroyNotify */
212   g_main_loop_run (loop);
213   g_bus_unwatch_name (watcher_id);
214
215   session_bus_down ();
216 }
217
218 /* ---------------------------------------------------------------------------------------------------- */
219
220 int
221 main (int   argc,
222       char *argv[])
223 {
224   gint ret;
225
226   g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
227
228   /* all the tests rely on a shared main loop */
229   loop = g_main_loop_new (NULL, FALSE);
230
231   g_test_dbus_unset ();
232
233   g_test_add_func ("/gdbus/connection/flush", test_connection_flush);
234   g_test_add_func ("/gdbus/connection/large_message", test_connection_large_message);
235
236   ret = g_test_run();
237   g_main_loop_unref (loop);
238   return ret;
239 }