1/*
2 * Copyright © 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial
14 * portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26#include <stdlib.h>
27#include <assert.h>
28#include <errno.h>
29#include <string.h>
30#include <stdio.h>
31#include <sys/un.h>
32#include <unistd.h>
33
34#include "wayland-client.h"
35#include "wayland-server.h"
36#include "test-runner.h"
37
38/* Ensure the connection doesn't fail due to lack of XDG_RUNTIME_DIR. */
39static const char *
40require_xdg_runtime_dir(void)
41{
42 char *val = getenv(name: "XDG_RUNTIME_DIR");
43 assert(val && "set $XDG_RUNTIME_DIR to run this test");
44
45 return val;
46}
47
48struct compositor {
49 struct wl_display *display;
50 struct wl_listener listener;
51 struct wl_client *client;
52};
53
54static void
55client_created(struct wl_listener *listener, void *data)
56{
57 struct compositor *c = wl_container_of(listener, c, listener);
58 c->client = data;
59}
60
61static void
62check_client_list(struct compositor *compositor)
63{
64 struct wl_list *client_list;
65 struct wl_client *client, *client_it;
66 int num_clients = 0;
67
68 client_list = wl_display_get_client_list(display: compositor->display);
69 wl_client_for_each(client_it, client_list) {
70 num_clients++;
71 client = client_it;
72 }
73 assert(num_clients == 1);
74 /* 'client_it' is not valid here, so we took a copy of the client in the loop.
75 * We could also do this assert in the loop directly, but in case it fails it is
76 * easier to understand the problem when we know that the previous assert passed,
77 * so that there is only one client but the wrong one. */
78 assert(compositor->client == client);
79}
80
81static const char *
82setup_compositor(struct compositor *compositor)
83{
84 const char *socket;
85
86 require_xdg_runtime_dir();
87
88 compositor->display = wl_display_create();
89 socket = wl_display_add_socket_auto(display: compositor->display);
90
91 compositor->listener.notify = client_created;
92 wl_display_add_client_created_listener(display: compositor->display, listener: &compositor->listener);
93
94 return socket;
95}
96
97static void
98cleanup_compositor(struct compositor *compositor)
99{
100 wl_client_destroy(client: compositor->client);
101 wl_display_destroy(display: compositor->display);
102}
103
104TEST(new_client_connect)
105{
106 const char *socket;
107 struct compositor compositor = { 0 };
108 struct {
109 struct wl_display *display;
110 } client;
111
112 socket = setup_compositor(&compositor);
113
114 client.display = wl_display_connect(name: socket);
115
116 wl_event_loop_dispatch(loop: wl_display_get_event_loop(display: compositor.display), timeout: 100);
117
118 assert(compositor.client != NULL);
119
120 check_client_list(compositor: &compositor);
121
122
123
124 wl_display_disconnect(display: client.display);
125 cleanup_compositor(compositor: &compositor);
126}
127
128struct resource_listener {
129 struct wl_listener listener;
130 int count;
131};
132
133static void
134resource_created(struct wl_listener *listener, void *data)
135{
136 struct resource_listener *l;
137 l = wl_container_of(listener, l, listener);
138 l->count++;
139}
140
141TEST(new_resource)
142{
143 const char *socket;
144 struct compositor compositor = { 0 };
145 struct {
146 struct wl_display *display;
147 struct wl_callback *cb;
148 } client;
149 struct resource_listener resource_listener;
150
151 socket = setup_compositor(&compositor);
152 client.display = wl_display_connect(name: socket);
153 wl_event_loop_dispatch(loop: wl_display_get_event_loop(display: compositor.display), timeout: 100);
154
155 resource_listener.count = 0;
156 resource_listener.listener.notify = resource_created;
157 wl_client_add_resource_created_listener(client: compositor.client,
158 listener: &resource_listener.listener);
159
160 client.cb = wl_display_sync(wl_display: client.display);
161 wl_display_flush(display: client.display);
162 wl_event_loop_dispatch(loop: wl_display_get_event_loop(display: compositor.display), timeout: 100);
163
164 assert(resource_listener.count == 1);
165
166 wl_callback_destroy(wl_callback: client.cb);
167 wl_display_disconnect(display: client.display);
168 cleanup_compositor(compositor: &compositor);
169
170 /* This is defined to be safe also after client destruction */
171 wl_list_remove(elm: &resource_listener.listener.link);
172}
173

source code of gtk/subprojects/wayland/tests/compositor-introspection-test.c