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d3a0bb77 LS |
1 | /* |
2 | * Tests for QEMU yank feature | |
3 | * | |
4 | * Copyright (c) Lukas Straub <lukasstraub2@web.de> | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
7 | * See the COPYING file in the top-level directory. | |
8 | */ | |
9 | ||
10 | #include "qemu/osdep.h" | |
11 | #include <glib/gstdio.h> | |
12 | ||
13 | #include "qemu/config-file.h" | |
14 | #include "qemu/module.h" | |
15 | #include "qemu/option.h" | |
16 | #include "chardev/char-fe.h" | |
17 | #include "sysemu/sysemu.h" | |
18 | #include "qapi/error.h" | |
19 | #include "qapi/qapi-commands-char.h" | |
20 | #include "qapi/qapi-types-char.h" | |
21 | #include "qapi/qapi-commands-yank.h" | |
22 | #include "qapi/qapi-types-yank.h" | |
23 | #include "io/channel-socket.h" | |
24 | #include "socket-helpers.h" | |
25 | ||
26 | typedef struct { | |
27 | SocketAddress *addr; | |
28 | bool old_yank; | |
29 | bool new_yank; | |
30 | bool fail; | |
31 | } CharChangeTestConfig; | |
32 | ||
33 | static int chardev_change(void *opaque) | |
34 | { | |
35 | return 0; | |
36 | } | |
37 | ||
38 | static bool is_yank_instance_registered(void) | |
39 | { | |
40 | YankInstanceList *list; | |
41 | bool ret; | |
42 | ||
43 | list = qmp_query_yank(&error_abort); | |
44 | ||
45 | ret = !!list; | |
46 | ||
47 | qapi_free_YankInstanceList(list); | |
48 | ||
49 | return ret; | |
50 | } | |
51 | ||
52 | static gpointer accept_thread(gpointer data) | |
53 | { | |
54 | QIOChannelSocket *ioc = data; | |
55 | QIOChannelSocket *cioc; | |
56 | ||
57 | cioc = qio_channel_socket_accept(ioc, &error_abort); | |
58 | object_unref(OBJECT(cioc)); | |
59 | ||
60 | return NULL; | |
61 | } | |
62 | ||
63 | static void char_change_test(gconstpointer opaque) | |
64 | { | |
65 | CharChangeTestConfig *conf = (gpointer) opaque; | |
66 | SocketAddress *addr; | |
67 | Chardev *chr; | |
68 | CharBackend be; | |
69 | ChardevReturn *ret; | |
70 | QIOChannelSocket *ioc; | |
71 | QemuThread thread; | |
72 | ||
73 | /* | |
74 | * Setup a listener socket and determine its address | |
75 | * so we know the TCP port for the client later | |
76 | */ | |
77 | ioc = qio_channel_socket_new(); | |
78 | g_assert_nonnull(ioc); | |
79 | qio_channel_socket_listen_sync(ioc, conf->addr, 1, &error_abort); | |
80 | addr = qio_channel_socket_get_local_address(ioc, &error_abort); | |
81 | g_assert_nonnull(addr); | |
82 | ||
83 | ChardevBackend backend[2] = { | |
84 | /* doesn't support yank */ | |
85 | { .type = CHARDEV_BACKEND_KIND_NULL }, | |
86 | /* supports yank */ | |
87 | { | |
88 | .type = CHARDEV_BACKEND_KIND_SOCKET, | |
89 | .u.socket.data = &(ChardevSocket) { | |
90 | .addr = &(SocketAddressLegacy) { | |
935a867c | 91 | .type = SOCKET_ADDRESS_TYPE_INET, |
d3a0bb77 LS |
92 | .u.inet.data = &addr->u.inet |
93 | }, | |
94 | .has_server = true, | |
95 | .server = false | |
96 | } | |
97 | } }; | |
98 | ||
99 | ChardevBackend fail_backend[2] = { | |
100 | /* doesn't support yank */ | |
101 | { | |
102 | .type = CHARDEV_BACKEND_KIND_UDP, | |
103 | .u.udp.data = &(ChardevUdp) { | |
104 | .remote = &(SocketAddressLegacy) { | |
935a867c | 105 | .type = SOCKET_ADDRESS_TYPE_UNIX, |
d3a0bb77 LS |
106 | .u.q_unix.data = &(UnixSocketAddress) { |
107 | .path = (char *)"" | |
108 | } | |
109 | } | |
110 | } | |
111 | }, | |
112 | /* supports yank */ | |
113 | { | |
114 | .type = CHARDEV_BACKEND_KIND_SOCKET, | |
115 | .u.socket.data = &(ChardevSocket) { | |
116 | .addr = &(SocketAddressLegacy) { | |
935a867c | 117 | .type = SOCKET_ADDRESS_TYPE_INET, |
d3a0bb77 LS |
118 | .u.inet.data = &(InetSocketAddress) { |
119 | .host = (char *)"127.0.0.1", | |
120 | .port = (char *)"0" | |
121 | } | |
122 | }, | |
123 | .has_server = true, | |
124 | .server = false | |
125 | } | |
126 | } }; | |
127 | ||
128 | g_assert(!is_yank_instance_registered()); | |
129 | ||
130 | if (conf->old_yank) { | |
131 | qemu_thread_create(&thread, "accept", accept_thread, | |
132 | ioc, QEMU_THREAD_JOINABLE); | |
133 | } | |
134 | ||
135 | ret = qmp_chardev_add("chardev", &backend[conf->old_yank], &error_abort); | |
136 | qapi_free_ChardevReturn(ret); | |
137 | chr = qemu_chr_find("chardev"); | |
138 | g_assert_nonnull(chr); | |
139 | ||
140 | g_assert(is_yank_instance_registered() == conf->old_yank); | |
141 | ||
142 | qemu_chr_wait_connected(chr, &error_abort); | |
143 | if (conf->old_yank) { | |
144 | qemu_thread_join(&thread); | |
145 | } | |
146 | ||
147 | qemu_chr_fe_init(&be, chr, &error_abort); | |
148 | /* allow chardev-change */ | |
149 | qemu_chr_fe_set_handlers(&be, NULL, NULL, | |
150 | NULL, chardev_change, NULL, NULL, true); | |
151 | ||
152 | if (conf->fail) { | |
153 | g_setenv("QTEST_SILENT_ERRORS", "1", 1); | |
154 | ret = qmp_chardev_change("chardev", &fail_backend[conf->new_yank], | |
155 | NULL); | |
156 | g_assert_null(ret); | |
157 | g_assert(be.chr == chr); | |
158 | g_assert(is_yank_instance_registered() == conf->old_yank); | |
159 | g_unsetenv("QTEST_SILENT_ERRORS"); | |
160 | } else { | |
161 | if (conf->new_yank) { | |
162 | qemu_thread_create(&thread, "accept", accept_thread, | |
163 | ioc, QEMU_THREAD_JOINABLE); | |
164 | } | |
165 | ret = qmp_chardev_change("chardev", &backend[conf->new_yank], | |
166 | &error_abort); | |
167 | if (conf->new_yank) { | |
168 | qemu_thread_join(&thread); | |
169 | } | |
170 | g_assert_nonnull(ret); | |
171 | g_assert(be.chr != chr); | |
172 | g_assert(is_yank_instance_registered() == conf->new_yank); | |
173 | } | |
174 | ||
175 | object_unparent(OBJECT(be.chr)); | |
176 | object_unref(OBJECT(ioc)); | |
177 | qapi_free_ChardevReturn(ret); | |
178 | qapi_free_SocketAddress(addr); | |
179 | } | |
180 | ||
181 | static SocketAddress tcpaddr = { | |
182 | .type = SOCKET_ADDRESS_TYPE_INET, | |
183 | .u.inet.host = (char *)"127.0.0.1", | |
184 | .u.inet.port = (char *)"0", | |
185 | }; | |
186 | ||
187 | int main(int argc, char **argv) | |
188 | { | |
189 | bool has_ipv4, has_ipv6; | |
190 | ||
191 | qemu_init_main_loop(&error_abort); | |
192 | socket_init(); | |
193 | ||
194 | g_test_init(&argc, &argv, NULL); | |
195 | ||
196 | if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { | |
197 | g_printerr("socket_check_protocol_support() failed\n"); | |
198 | goto end; | |
199 | } | |
200 | ||
201 | if (!has_ipv4) { | |
202 | goto end; | |
203 | } | |
204 | ||
205 | module_call_init(MODULE_INIT_QOM); | |
206 | qemu_add_opts(&qemu_chardev_opts); | |
207 | ||
208 | g_test_add_data_func("/yank/char_change/success/to_yank", | |
209 | &(CharChangeTestConfig) { .addr = &tcpaddr, | |
210 | .old_yank = false, | |
211 | .new_yank = true, | |
212 | .fail = false }, | |
213 | char_change_test); | |
214 | g_test_add_data_func("/yank/char_change/fail/to_yank", | |
215 | &(CharChangeTestConfig) { .addr = &tcpaddr, | |
216 | .old_yank = false, | |
217 | .new_yank = true, | |
218 | .fail = true }, | |
219 | char_change_test); | |
220 | ||
221 | g_test_add_data_func("/yank/char_change/success/yank_to_yank", | |
222 | &(CharChangeTestConfig) { .addr = &tcpaddr, | |
223 | .old_yank = true, | |
224 | .new_yank = true, | |
225 | .fail = false }, | |
226 | char_change_test); | |
227 | g_test_add_data_func("/yank/char_change/fail/yank_to_yank", | |
228 | &(CharChangeTestConfig) { .addr = &tcpaddr, | |
229 | .old_yank = true, | |
230 | .new_yank = true, | |
231 | .fail = true }, | |
232 | char_change_test); | |
233 | ||
234 | g_test_add_data_func("/yank/char_change/success/from_yank", | |
235 | &(CharChangeTestConfig) { .addr = &tcpaddr, | |
236 | .old_yank = true, | |
237 | .new_yank = false, | |
238 | .fail = false }, | |
239 | char_change_test); | |
240 | g_test_add_data_func("/yank/char_change/fail/from_yank", | |
241 | &(CharChangeTestConfig) { .addr = &tcpaddr, | |
242 | .old_yank = true, | |
243 | .new_yank = false, | |
244 | .fail = true }, | |
245 | char_change_test); | |
246 | ||
247 | end: | |
248 | return g_test_run(); | |
249 | } |