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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
26typedef struct {
27 SocketAddress *addr;
28 bool old_yank;
29 bool new_yank;
30 bool fail;
31} CharChangeTestConfig;
32
33static int chardev_change(void *opaque)
34{
35 return 0;
36}
37
38static 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
52static 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
63static 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
75
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
85 { .type = CHARDEV_BACKEND_KIND_NULL },
86
87 {
88 .type = CHARDEV_BACKEND_KIND_SOCKET,
89 .u.socket.data = &(ChardevSocket) {
90 .addr = &(SocketAddressLegacy) {
91 .type = SOCKET_ADDRESS_TYPE_INET,
92 .u.inet.data = &addr->u.inet
93 },
94 .has_server = true,
95 .server = false
96 }
97 } };
98
99 ChardevBackend fail_backend[2] = {
100
101 {
102 .type = CHARDEV_BACKEND_KIND_UDP,
103 .u.udp.data = &(ChardevUdp) {
104 .remote = &(SocketAddressLegacy) {
105 .type = SOCKET_ADDRESS_TYPE_UNIX,
106 .u.q_unix.data = &(UnixSocketAddress) {
107 .path = (char *)""
108 }
109 }
110 }
111 },
112
113 {
114 .type = CHARDEV_BACKEND_KIND_SOCKET,
115 .u.socket.data = &(ChardevSocket) {
116 .addr = &(SocketAddressLegacy) {
117 .type = SOCKET_ADDRESS_TYPE_INET,
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
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
181static 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
187int 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
247end:
248 return g_test_run();
249}
250
