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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 | 29 | #include "ui/console.h" |
9a6c69d3 | 30 | #include "ui/spice-display.h" |
d8aec9d9 | 31 | #include "qemu/config-file.h" |
5feed38c | 32 | #include "qemu/error-report.h" |
d8aec9d9 MAL |
33 | #include "qemu/option.h" |
34 | #include "qemu/cutils.h" | |
0b8fa32f | 35 | #include "qemu/module.h" |
d8aec9d9 MAL |
36 | #include "qapi/error.h" |
37 | #include "io/channel-command.h" | |
38 | #include "chardev/spice.h" | |
39 | #include "sysemu/sysemu.h" | |
db1015e9 | 40 | #include "qom/object.h" |
d8aec9d9 MAL |
41 | |
42 | static const char *tmp_dir; | |
43 | static char *app_dir; | |
44 | static char *sock_path; | |
45 | ||
db1015e9 | 46 | struct VCChardev { |
d8aec9d9 | 47 | SpiceChardev parent; |
db1015e9 | 48 | }; |
e220cf86 GH |
49 | |
50 | struct VCChardevClass { | |
51 | ChardevClass parent; | |
52 | void (*parent_open)(Chardev *chr, ChardevBackend *backend, | |
53 | bool *be_opened, Error **errp); | |
54 | }; | |
d8aec9d9 MAL |
55 | |
56 | #define TYPE_CHARDEV_VC "chardev-vc" | |
e220cf86 | 57 | OBJECT_DECLARE_TYPE(VCChardev, VCChardevClass, CHARDEV_VC) |
d8aec9d9 MAL |
58 | |
59 | static ChardevBackend * | |
60 | chr_spice_backend_new(void) | |
61 | { | |
62 | ChardevBackend *be = g_new0(ChardevBackend, 1); | |
63 | ||
64 | be->type = CHARDEV_BACKEND_KIND_SPICEPORT; | |
65 | be->u.spiceport.data = g_new0(ChardevSpicePort, 1); | |
66 | ||
67 | return be; | |
68 | } | |
69 | ||
70 | static void vc_chr_open(Chardev *chr, | |
71 | ChardevBackend *backend, | |
72 | bool *be_opened, | |
73 | Error **errp) | |
74 | { | |
e220cf86 | 75 | VCChardevClass *vc = CHARDEV_VC_GET_CLASS(chr); |
d8aec9d9 MAL |
76 | ChardevBackend *be; |
77 | const char *fqdn = NULL; | |
78 | ||
79 | if (strstart(chr->label, "serial", NULL)) { | |
80 | fqdn = "org.qemu.console.serial.0"; | |
81 | } else if (strstart(chr->label, "parallel", NULL)) { | |
82 | fqdn = "org.qemu.console.parallel.0"; | |
83 | } else if (strstart(chr->label, "compat_monitor", NULL)) { | |
84 | fqdn = "org.qemu.monitor.hmp.0"; | |
85 | } | |
86 | ||
87 | be = chr_spice_backend_new(); | |
88 | be->u.spiceport.data->fqdn = fqdn ? | |
89 | g_strdup(fqdn) : g_strdup_printf("org.qemu.console.%s", chr->label); | |
e220cf86 | 90 | vc->parent_open(chr, be, be_opened, errp); |
d8aec9d9 MAL |
91 | qapi_free_ChardevBackend(be); |
92 | } | |
93 | ||
94 | static void vc_chr_set_echo(Chardev *chr, bool echo) | |
95 | { | |
96 | /* TODO: set echo for frontends QMP and qtest */ | |
97 | } | |
98 | ||
32aa1f8d MAL |
99 | static void vc_chr_parse(QemuOpts *opts, ChardevBackend *backend, Error **errp) |
100 | { | |
101 | /* fqdn is dealt with in vc_chr_open() */ | |
102 | } | |
103 | ||
d8aec9d9 MAL |
104 | static void char_vc_class_init(ObjectClass *oc, void *data) |
105 | { | |
e220cf86 | 106 | VCChardevClass *vc = CHARDEV_VC_CLASS(oc); |
d8aec9d9 MAL |
107 | ChardevClass *cc = CHARDEV_CLASS(oc); |
108 | ||
e220cf86 GH |
109 | vc->parent_open = cc->open; |
110 | ||
32aa1f8d | 111 | cc->parse = vc_chr_parse; |
d8aec9d9 MAL |
112 | cc->open = vc_chr_open; |
113 | cc->chr_set_echo = vc_chr_set_echo; | |
114 | } | |
115 | ||
116 | static const TypeInfo char_vc_type_info = { | |
117 | .name = TYPE_CHARDEV_VC, | |
118 | .parent = TYPE_CHARDEV_SPICEPORT, | |
119 | .instance_size = sizeof(VCChardev), | |
120 | .class_init = char_vc_class_init, | |
e220cf86 | 121 | .class_size = sizeof(VCChardevClass), |
d8aec9d9 MAL |
122 | }; |
123 | ||
124 | static void spice_app_atexit(void) | |
125 | { | |
126 | if (sock_path) { | |
127 | unlink(sock_path); | |
128 | } | |
129 | if (tmp_dir) { | |
130 | rmdir(tmp_dir); | |
131 | } | |
132 | g_free(sock_path); | |
133 | g_free(app_dir); | |
134 | } | |
135 | ||
136 | static void spice_app_display_early_init(DisplayOptions *opts) | |
137 | { | |
138 | QemuOpts *qopts; | |
122e4ef6 | 139 | QemuOptsList *list; |
d8aec9d9 MAL |
140 | GError *err = NULL; |
141 | ||
142 | if (opts->has_full_screen) { | |
143 | error_report("spice-app full-screen isn't supported yet."); | |
144 | exit(1); | |
145 | } | |
146 | if (opts->has_window_close) { | |
147 | error_report("spice-app window-close isn't supported yet."); | |
148 | exit(1); | |
149 | } | |
150 | ||
151 | atexit(spice_app_atexit); | |
152 | ||
153 | if (qemu_name) { | |
154 | app_dir = g_build_filename(g_get_user_runtime_dir(), | |
155 | "qemu", qemu_name, NULL); | |
156 | if (g_mkdir_with_parents(app_dir, S_IRWXU) < -1) { | |
157 | error_report("Failed to create directory %s: %s", | |
158 | app_dir, strerror(errno)); | |
159 | exit(1); | |
160 | } | |
161 | } else { | |
162 | app_dir = g_dir_make_tmp(NULL, &err); | |
163 | tmp_dir = app_dir; | |
164 | if (err) { | |
165 | error_report("Failed to create temporary directory: %s", | |
166 | err->message); | |
167 | exit(1); | |
168 | } | |
169 | } | |
122e4ef6 BR |
170 | list = qemu_find_opts("spice"); |
171 | if (list == NULL) { | |
172 | error_report("spice-app missing spice support"); | |
173 | exit(1); | |
174 | } | |
d8aec9d9 MAL |
175 | |
176 | type_register(&char_vc_type_info); | |
177 | ||
178 | sock_path = g_strjoin("", app_dir, "/", "spice.sock", NULL); | |
122e4ef6 | 179 | qopts = qemu_opts_create(list, NULL, 0, &error_abort); |
d8aec9d9 MAL |
180 | qemu_opt_set(qopts, "disable-ticketing", "on", &error_abort); |
181 | qemu_opt_set(qopts, "unix", "on", &error_abort); | |
182 | qemu_opt_set(qopts, "addr", sock_path, &error_abort); | |
183 | qemu_opt_set(qopts, "image-compression", "off", &error_abort); | |
184 | qemu_opt_set(qopts, "streaming-video", "off", &error_abort); | |
9a6c69d3 | 185 | #ifdef HAVE_SPICE_GL |
d8aec9d9 MAL |
186 | qemu_opt_set(qopts, "gl", opts->has_gl ? "on" : "off", &error_abort); |
187 | display_opengl = opts->has_gl; | |
cb0efb71 | 188 | #endif |
93ab5844 GH |
189 | } |
190 | ||
191 | static void spice_app_display_init(DisplayState *ds, DisplayOptions *opts) | |
192 | { | |
193 | ChardevBackend *be = chr_spice_backend_new(); | |
194 | QemuOpts *qopts; | |
195 | GError *err = NULL; | |
196 | gchar *uri; | |
197 | ||
d8aec9d9 MAL |
198 | be->u.spiceport.data->fqdn = g_strdup("org.qemu.monitor.qmp.0"); |
199 | qemu_chardev_new("org.qemu.monitor.qmp", TYPE_CHARDEV_SPICEPORT, | |
200 | be, NULL, &error_abort); | |
201 | qopts = qemu_opts_create(qemu_find_opts("mon"), | |
202 | NULL, 0, &error_fatal); | |
203 | qemu_opt_set(qopts, "chardev", "org.qemu.monitor.qmp", &error_abort); | |
204 | qemu_opt_set(qopts, "mode", "control", &error_abort); | |
205 | ||
206 | qapi_free_ChardevBackend(be); | |
d8aec9d9 MAL |
207 | uri = g_strjoin("", "spice+unix://", app_dir, "/", "spice.sock", NULL); |
208 | info_report("Launching display with URI: %s", uri); | |
209 | g_app_info_launch_default_for_uri(uri, NULL, &err); | |
210 | if (err) { | |
211 | error_report("Failed to launch %s URI: %s", uri, err->message); | |
212 | error_report("You need a capable Spice client, " | |
213 | "such as virt-viewer 8.0"); | |
214 | exit(1); | |
215 | } | |
216 | g_free(uri); | |
217 | } | |
218 | ||
219 | static QemuDisplay qemu_display_spice_app = { | |
220 | .type = DISPLAY_TYPE_SPICE_APP, | |
221 | .early_init = spice_app_display_early_init, | |
222 | .init = spice_app_display_init, | |
223 | }; | |
224 | ||
225 | static void register_spice_app(void) | |
226 | { | |
227 | qemu_display_register(&qemu_display_spice_app); | |
228 | } | |
229 | ||
230 | type_init(register_spice_app); | |
b36ae1c1 GH |
231 | |
232 | module_dep("ui-spice-core"); | |
233 | module_dep("chardev-spice"); |