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d8aec9d9 MAL |
1 | /* |
2 | * QEMU external Spice client display driver | |
3 | * | |
4 | * Copyright (c) 2018 Marc-André Lureau <marcandre.lureau@redhat.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
0b8fa32f | 24 | |
d8aec9d9 MAL |
25 | #include "qemu/osdep.h" |
26 | ||
27 | #include <gio/gio.h> | |
28 | ||
d8aec9d9 MAL |
29 | #include "ui/console.h" |
30 | #include "qemu/config-file.h" | |
31 | #include "qemu/option.h" | |
32 | #include "qemu/cutils.h" | |
0b8fa32f | 33 | #include "qemu/module.h" |
d8aec9d9 MAL |
34 | #include "qapi/error.h" |
35 | #include "io/channel-command.h" | |
36 | #include "chardev/spice.h" | |
37 | #include "sysemu/sysemu.h" | |
db1015e9 | 38 | #include "qom/object.h" |
d8aec9d9 MAL |
39 | |
40 | static const char *tmp_dir; | |
41 | static char *app_dir; | |
42 | static char *sock_path; | |
43 | ||
db1015e9 | 44 | struct VCChardev { |
d8aec9d9 | 45 | SpiceChardev parent; |
db1015e9 | 46 | }; |
e220cf86 GH |
47 | |
48 | struct VCChardevClass { | |
49 | ChardevClass parent; | |
50 | void (*parent_open)(Chardev *chr, ChardevBackend *backend, | |
51 | bool *be_opened, Error **errp); | |
52 | }; | |
d8aec9d9 MAL |
53 | |
54 | #define TYPE_CHARDEV_VC "chardev-vc" | |
e220cf86 | 55 | OBJECT_DECLARE_TYPE(VCChardev, VCChardevClass, CHARDEV_VC) |
d8aec9d9 MAL |
56 | |
57 | static ChardevBackend * | |
58 | chr_spice_backend_new(void) | |
59 | { | |
60 | ChardevBackend *be = g_new0(ChardevBackend, 1); | |
61 | ||
62 | be->type = CHARDEV_BACKEND_KIND_SPICEPORT; | |
63 | be->u.spiceport.data = g_new0(ChardevSpicePort, 1); | |
64 | ||
65 | return be; | |
66 | } | |
67 | ||
68 | static void vc_chr_open(Chardev *chr, | |
69 | ChardevBackend *backend, | |
70 | bool *be_opened, | |
71 | Error **errp) | |
72 | { | |
e220cf86 | 73 | VCChardevClass *vc = CHARDEV_VC_GET_CLASS(chr); |
d8aec9d9 MAL |
74 | ChardevBackend *be; |
75 | const char *fqdn = NULL; | |
76 | ||
77 | if (strstart(chr->label, "serial", NULL)) { | |
78 | fqdn = "org.qemu.console.serial.0"; | |
79 | } else if (strstart(chr->label, "parallel", NULL)) { | |
80 | fqdn = "org.qemu.console.parallel.0"; | |
81 | } else if (strstart(chr->label, "compat_monitor", NULL)) { | |
82 | fqdn = "org.qemu.monitor.hmp.0"; | |
83 | } | |
84 | ||
85 | be = chr_spice_backend_new(); | |
86 | be->u.spiceport.data->fqdn = fqdn ? | |
87 | g_strdup(fqdn) : g_strdup_printf("org.qemu.console.%s", chr->label); | |
e220cf86 | 88 | vc->parent_open(chr, be, be_opened, errp); |
d8aec9d9 MAL |
89 | qapi_free_ChardevBackend(be); |
90 | } | |
91 | ||
92 | static void vc_chr_set_echo(Chardev *chr, bool echo) | |
93 | { | |
94 | /* TODO: set echo for frontends QMP and qtest */ | |
95 | } | |
96 | ||
97 | static void char_vc_class_init(ObjectClass *oc, void *data) | |
98 | { | |
e220cf86 | 99 | VCChardevClass *vc = CHARDEV_VC_CLASS(oc); |
d8aec9d9 MAL |
100 | ChardevClass *cc = CHARDEV_CLASS(oc); |
101 | ||
e220cf86 GH |
102 | vc->parent_open = cc->open; |
103 | ||
d8aec9d9 MAL |
104 | cc->parse = qemu_chr_parse_vc; |
105 | cc->open = vc_chr_open; | |
106 | cc->chr_set_echo = vc_chr_set_echo; | |
107 | } | |
108 | ||
109 | static const TypeInfo char_vc_type_info = { | |
110 | .name = TYPE_CHARDEV_VC, | |
111 | .parent = TYPE_CHARDEV_SPICEPORT, | |
112 | .instance_size = sizeof(VCChardev), | |
113 | .class_init = char_vc_class_init, | |
e220cf86 | 114 | .class_size = sizeof(VCChardevClass), |
d8aec9d9 MAL |
115 | }; |
116 | ||
117 | static void spice_app_atexit(void) | |
118 | { | |
119 | if (sock_path) { | |
120 | unlink(sock_path); | |
121 | } | |
122 | if (tmp_dir) { | |
123 | rmdir(tmp_dir); | |
124 | } | |
125 | g_free(sock_path); | |
126 | g_free(app_dir); | |
127 | } | |
128 | ||
129 | static void spice_app_display_early_init(DisplayOptions *opts) | |
130 | { | |
131 | QemuOpts *qopts; | |
122e4ef6 | 132 | QemuOptsList *list; |
d8aec9d9 MAL |
133 | GError *err = NULL; |
134 | ||
135 | if (opts->has_full_screen) { | |
136 | error_report("spice-app full-screen isn't supported yet."); | |
137 | exit(1); | |
138 | } | |
139 | if (opts->has_window_close) { | |
140 | error_report("spice-app window-close isn't supported yet."); | |
141 | exit(1); | |
142 | } | |
143 | ||
144 | atexit(spice_app_atexit); | |
145 | ||
146 | if (qemu_name) { | |
147 | app_dir = g_build_filename(g_get_user_runtime_dir(), | |
148 | "qemu", qemu_name, NULL); | |
149 | if (g_mkdir_with_parents(app_dir, S_IRWXU) < -1) { | |
150 | error_report("Failed to create directory %s: %s", | |
151 | app_dir, strerror(errno)); | |
152 | exit(1); | |
153 | } | |
154 | } else { | |
155 | app_dir = g_dir_make_tmp(NULL, &err); | |
156 | tmp_dir = app_dir; | |
157 | if (err) { | |
158 | error_report("Failed to create temporary directory: %s", | |
159 | err->message); | |
160 | exit(1); | |
161 | } | |
162 | } | |
122e4ef6 BR |
163 | list = qemu_find_opts("spice"); |
164 | if (list == NULL) { | |
165 | error_report("spice-app missing spice support"); | |
166 | exit(1); | |
167 | } | |
d8aec9d9 MAL |
168 | |
169 | type_register(&char_vc_type_info); | |
170 | ||
171 | sock_path = g_strjoin("", app_dir, "/", "spice.sock", NULL); | |
122e4ef6 | 172 | qopts = qemu_opts_create(list, NULL, 0, &error_abort); |
d8aec9d9 MAL |
173 | qemu_opt_set(qopts, "disable-ticketing", "on", &error_abort); |
174 | qemu_opt_set(qopts, "unix", "on", &error_abort); | |
175 | qemu_opt_set(qopts, "addr", sock_path, &error_abort); | |
176 | qemu_opt_set(qopts, "image-compression", "off", &error_abort); | |
177 | qemu_opt_set(qopts, "streaming-video", "off", &error_abort); | |
cb0efb71 | 178 | #ifdef CONFIG_OPENGL |
d8aec9d9 MAL |
179 | qemu_opt_set(qopts, "gl", opts->has_gl ? "on" : "off", &error_abort); |
180 | display_opengl = opts->has_gl; | |
cb0efb71 | 181 | #endif |
93ab5844 GH |
182 | } |
183 | ||
184 | static void spice_app_display_init(DisplayState *ds, DisplayOptions *opts) | |
185 | { | |
186 | ChardevBackend *be = chr_spice_backend_new(); | |
187 | QemuOpts *qopts; | |
188 | GError *err = NULL; | |
189 | gchar *uri; | |
190 | ||
d8aec9d9 MAL |
191 | be->u.spiceport.data->fqdn = g_strdup("org.qemu.monitor.qmp.0"); |
192 | qemu_chardev_new("org.qemu.monitor.qmp", TYPE_CHARDEV_SPICEPORT, | |
193 | be, NULL, &error_abort); | |
194 | qopts = qemu_opts_create(qemu_find_opts("mon"), | |
195 | NULL, 0, &error_fatal); | |
196 | qemu_opt_set(qopts, "chardev", "org.qemu.monitor.qmp", &error_abort); | |
197 | qemu_opt_set(qopts, "mode", "control", &error_abort); | |
198 | ||
199 | qapi_free_ChardevBackend(be); | |
d8aec9d9 MAL |
200 | uri = g_strjoin("", "spice+unix://", app_dir, "/", "spice.sock", NULL); |
201 | info_report("Launching display with URI: %s", uri); | |
202 | g_app_info_launch_default_for_uri(uri, NULL, &err); | |
203 | if (err) { | |
204 | error_report("Failed to launch %s URI: %s", uri, err->message); | |
205 | error_report("You need a capable Spice client, " | |
206 | "such as virt-viewer 8.0"); | |
207 | exit(1); | |
208 | } | |
209 | g_free(uri); | |
210 | } | |
211 | ||
212 | static QemuDisplay qemu_display_spice_app = { | |
213 | .type = DISPLAY_TYPE_SPICE_APP, | |
214 | .early_init = spice_app_display_early_init, | |
215 | .init = spice_app_display_init, | |
216 | }; | |
217 | ||
218 | static void register_spice_app(void) | |
219 | { | |
220 | qemu_display_register(&qemu_display_spice_app); | |
221 | } | |
222 | ||
223 | type_init(register_spice_app); | |
b36ae1c1 GH |
224 | |
225 | module_dep("ui-spice-core"); | |
226 | module_dep("chardev-spice"); |