1 /* Regression test for passing unmodified messages between connections
3 * Author: Simon McVittie <simon.mcvittie@collabora.co.uk>
4 * Copyright © 2010-2011 Nokia Corporation
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31 #include <dbus/dbus.h>
33 #include "test-utils-glib.h"
35 /* This is basically a miniature dbus-daemon. We relay messages from the client
36 * on the left to the client on the right.
38 * left socket left dispatch right socket right
39 * client ===========> server --------------> server ===========> client
42 * In the real dbus-daemon, the client connections would be out-of-process,
43 * but here we're cheating and doing everything in-process.
52 DBusConnection *left_client_conn;
53 DBusConnection *left_server_conn;
55 DBusConnection *right_server_conn;
56 DBusConnection *right_client_conn;
57 /* queue of DBusMessage received by right_client_conn */
62 assert_no_error (const DBusError *e)
64 if (G_UNLIKELY (dbus_error_is_set (e)))
65 g_error ("expected success but got error: %s: %s", e->name, e->message);
68 static DBusHandlerResult
69 server_message_cb (DBusConnection *server_conn,
75 g_assert (server_conn == f->left_server_conn);
76 g_assert (f->right_server_conn != NULL);
78 dbus_connection_send (f->right_server_conn, message, NULL);
80 return DBUS_HANDLER_RESULT_HANDLED;
83 static DBusHandlerResult
84 right_client_message_cb (DBusConnection *client_conn,
90 g_assert (client_conn == f->right_client_conn);
91 g_queue_push_tail (&f->messages, dbus_message_ref (message));
93 return DBUS_HANDLER_RESULT_HANDLED;
97 new_conn_cb (DBusServer *server,
98 DBusConnection *server_conn,
102 dbus_bool_t have_mem;
104 if (f->left_server_conn == NULL)
106 f->left_server_conn = dbus_connection_ref (server_conn);
108 have_mem = dbus_connection_add_filter (server_conn,
109 server_message_cb, f, NULL);
114 g_assert (f->right_server_conn == NULL);
115 f->right_server_conn = dbus_connection_ref (server_conn);
118 test_connection_setup (f->ctx, server_conn);
123 gconstpointer data G_GNUC_UNUSED)
125 test_timeout_reset ();
127 f->ctx = test_main_context_get ();
128 dbus_error_init (&f->e);
129 g_queue_init (&f->messages);
131 f->server = dbus_server_listen ("tcp:host=127.0.0.1", &f->e);
132 assert_no_error (&f->e);
133 g_assert (f->server != NULL);
135 dbus_server_set_new_connection_function (f->server,
136 new_conn_cb, f, NULL);
137 test_server_setup (f->ctx, f->server);
141 test_connect (Fixture *f,
142 gconstpointer data G_GNUC_UNUSED)
144 dbus_bool_t have_mem;
147 g_assert (f->left_server_conn == NULL);
148 g_assert (f->right_server_conn == NULL);
150 address = dbus_server_get_address (f->server);
151 g_assert (address != NULL);
153 f->left_client_conn = dbus_connection_open_private (address, &f->e);
154 assert_no_error (&f->e);
155 g_assert (f->left_client_conn != NULL);
156 test_connection_setup (f->ctx, f->left_client_conn);
158 while (f->left_server_conn == NULL)
161 test_main_context_iterate (f->ctx, TRUE);
164 f->right_client_conn = dbus_connection_open_private (address, &f->e);
165 assert_no_error (&f->e);
166 g_assert (f->right_client_conn != NULL);
167 test_connection_setup (f->ctx, f->right_client_conn);
171 while (f->right_server_conn == NULL)
174 test_main_context_iterate (f->ctx, TRUE);
177 have_mem = dbus_connection_add_filter (f->right_client_conn,
178 right_client_message_cb, f, NULL);
183 send_one (Fixture *f,
186 dbus_bool_t have_mem;
187 dbus_uint32_t serial;
188 DBusMessage *outgoing;
190 outgoing = dbus_message_new_signal ("/com/example/Hello",
191 "com.example.Hello", member);
192 g_assert (outgoing != NULL);
194 have_mem = dbus_connection_send (f->left_client_conn, outgoing, &serial);
196 g_assert (serial != 0);
198 dbus_message_unref (outgoing);
203 test_relay (Fixture *f,
206 DBusMessage *incoming;
208 test_connect (f, data);
210 send_one (f, "First");
211 send_one (f, "Second");
213 while (g_queue_get_length (&f->messages) < 2)
216 test_main_context_iterate (f->ctx, TRUE);
219 g_assert_cmpuint (g_queue_get_length (&f->messages), ==, 2);
221 incoming = g_queue_pop_head (&f->messages);
222 g_assert_cmpstr (dbus_message_get_member (incoming), ==, "First");
223 dbus_message_unref (incoming);
225 incoming = g_queue_pop_head (&f->messages);
226 g_assert_cmpstr (dbus_message_get_member (incoming), ==, "Second");
227 dbus_message_unref (incoming);
230 /* An arbitrary number of messages */
234 test_limit (Fixture *f,
237 DBusMessage *incoming;
240 test_connect (f, data);
242 /* This was an attempt to reproduce fd.o #34393. It didn't work. */
243 g_test_bug ("34393");
244 dbus_connection_set_max_received_size (f->left_server_conn, 1);
245 test_main_context_iterate (f->ctx, TRUE);
247 for (i = 0; i < MANY; i++)
249 gchar *buf = g_strdup_printf ("Message%u", i);
259 while (g_queue_is_empty (&f->messages))
261 test_main_context_iterate (f->ctx, TRUE);
264 while ((incoming = g_queue_pop_head (&f->messages)) != NULL)
267 dbus_message_unref (incoming);
273 teardown (Fixture *f,
274 gconstpointer data G_GNUC_UNUSED)
276 if (f->left_client_conn != NULL)
278 test_connection_shutdown(NULL, f->left_client_conn);
279 dbus_connection_close (f->left_client_conn);
280 dbus_connection_unref (f->left_client_conn);
281 f->left_client_conn = NULL;
284 if (f->right_client_conn != NULL)
286 test_connection_shutdown(NULL, f->right_client_conn);
287 dbus_connection_close (f->right_client_conn);
288 dbus_connection_unref (f->right_client_conn);
289 f->right_client_conn = NULL;
292 if (f->left_server_conn != NULL)
294 test_connection_shutdown(NULL, f->left_server_conn);
295 dbus_connection_close (f->left_server_conn);
296 dbus_connection_unref (f->left_server_conn);
297 f->left_server_conn = NULL;
300 if (f->right_server_conn != NULL)
302 test_connection_shutdown(NULL, f->right_server_conn);
303 dbus_connection_close (f->right_server_conn);
304 dbus_connection_unref (f->right_server_conn);
305 f->right_server_conn = NULL;
308 if (f->server != NULL)
310 dbus_server_disconnect (f->server);
311 dbus_server_unref (f->server);
315 test_main_context_unref (f->ctx);
322 test_init (&argc, &argv);
324 g_test_add ("/connect", Fixture, NULL, setup,
325 test_connect, teardown);
326 g_test_add ("/relay", Fixture, NULL, setup,
327 test_relay, teardown);
328 g_test_add ("/limit", Fixture, NULL, setup,
329 test_limit, teardown);
331 return g_test_run ();