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