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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 | ||
99 | static void char_vc_class_init(ObjectClass *oc, void *data) | |
100 | { | |
e220cf86 | 101 | VCChardevClass *vc = CHARDEV_VC_CLASS(oc); |
d8aec9d9 MAL |
102 | ChardevClass *cc = CHARDEV_CLASS(oc); |
103 | ||
e220cf86 GH |
104 | vc->parent_open = cc->open; |
105 | ||
d8aec9d9 MAL |
106 | cc->parse = qemu_chr_parse_vc; |
107 | cc->open = vc_chr_open; | |
108 | cc->chr_set_echo = vc_chr_set_echo; | |
109 | } | |
110 | ||
111 | static const TypeInfo char_vc_type_info = { | |
112 | .name = TYPE_CHARDEV_VC, | |
113 | .parent = TYPE_CHARDEV_SPICEPORT, | |
114 | .instance_size = sizeof(VCChardev), | |
115 | .class_init = char_vc_class_init, | |
e220cf86 | 116 | .class_size = sizeof(VCChardevClass), |
d8aec9d9 MAL |
117 | }; |
118 | ||
119 | static void spice_app_atexit(void) | |
120 | { | |
121 | if (sock_path) { | |
122 | unlink(sock_path); | |
123 | } | |
124 | if (tmp_dir) { | |
125 | rmdir(tmp_dir); | |
126 | } | |
127 | g_free(sock_path); | |
128 | g_free(app_dir); | |
129 | } | |
130 | ||
131 | static void spice_app_display_early_init(DisplayOptions *opts) | |
132 | { | |
133 | QemuOpts *qopts; | |
122e4ef6 | 134 | QemuOptsList *list; |
d8aec9d9 MAL |
135 | GError *err = NULL; |
136 | ||
137 | if (opts->has_full_screen) { | |
138 | error_report("spice-app full-screen isn't supported yet."); | |
139 | exit(1); | |
140 | } | |
141 | if (opts->has_window_close) { | |
142 | error_report("spice-app window-close isn't supported yet."); | |
143 | exit(1); | |
144 | } | |
145 | ||
146 | atexit(spice_app_atexit); | |
147 | ||
148 | if (qemu_name) { | |
149 | app_dir = g_build_filename(g_get_user_runtime_dir(), | |
150 | "qemu", qemu_name, NULL); | |
151 | if (g_mkdir_with_parents(app_dir, S_IRWXU) < -1) { | |
152 | error_report("Failed to create directory %s: %s", | |
153 | app_dir, strerror(errno)); | |
154 | exit(1); | |
155 | } | |
156 | } else { | |
157 | app_dir = g_dir_make_tmp(NULL, &err); | |
158 | tmp_dir = app_dir; | |
159 | if (err) { | |
160 | error_report("Failed to create temporary directory: %s", | |
161 | err->message); | |
162 | exit(1); | |
163 | } | |
164 | } | |
122e4ef6 BR |
165 | list = qemu_find_opts("spice"); |
166 | if (list == NULL) { | |
167 | error_report("spice-app missing spice support"); | |
168 | exit(1); | |
169 | } | |
d8aec9d9 MAL |
170 | |
171 | type_register(&char_vc_type_info); | |
172 | ||
173 | sock_path = g_strjoin("", app_dir, "/", "spice.sock", NULL); | |
122e4ef6 | 174 | qopts = qemu_opts_create(list, NULL, 0, &error_abort); |
d8aec9d9 MAL |
175 | qemu_opt_set(qopts, "disable-ticketing", "on", &error_abort); |
176 | qemu_opt_set(qopts, "unix", "on", &error_abort); | |
177 | qemu_opt_set(qopts, "addr", sock_path, &error_abort); | |
178 | qemu_opt_set(qopts, "image-compression", "off", &error_abort); | |
179 | qemu_opt_set(qopts, "streaming-video", "off", &error_abort); | |
9a6c69d3 | 180 | #ifdef HAVE_SPICE_GL |
d8aec9d9 MAL |
181 | qemu_opt_set(qopts, "gl", opts->has_gl ? "on" : "off", &error_abort); |
182 | display_opengl = opts->has_gl; | |
cb0efb71 | 183 | #endif |
93ab5844 GH |
184 | } |
185 | ||
186 | static void spice_app_display_init(DisplayState *ds, DisplayOptions *opts) | |
187 | { | |
188 | ChardevBackend *be = chr_spice_backend_new(); | |
189 | QemuOpts *qopts; | |
190 | GError *err = NULL; | |
191 | gchar *uri; | |
192 | ||
d8aec9d9 MAL |
193 | be->u.spiceport.data->fqdn = g_strdup("org.qemu.monitor.qmp.0"); |
194 | qemu_chardev_new("org.qemu.monitor.qmp", TYPE_CHARDEV_SPICEPORT, | |
195 | be, NULL, &error_abort); | |
196 | qopts = qemu_opts_create(qemu_find_opts("mon"), | |
197 | NULL, 0, &error_fatal); | |
198 | qemu_opt_set(qopts, "chardev", "org.qemu.monitor.qmp", &error_abort); | |
199 | qemu_opt_set(qopts, "mode", "control", &error_abort); | |
200 | ||
201 | qapi_free_ChardevBackend(be); | |
d8aec9d9 MAL |
202 | uri = g_strjoin("", "spice+unix://", app_dir, "/", "spice.sock", NULL); |
203 | info_report("Launching display with URI: %s", uri); | |
204 | g_app_info_launch_default_for_uri(uri, NULL, &err); | |
205 | if (err) { | |
206 | error_report("Failed to launch %s URI: %s", uri, err->message); | |
207 | error_report("You need a capable Spice client, " | |
208 | "such as virt-viewer 8.0"); | |
209 | exit(1); | |
210 | } | |
211 | g_free(uri); | |
212 | } | |
213 | ||
214 | static QemuDisplay qemu_display_spice_app = { | |
215 | .type = DISPLAY_TYPE_SPICE_APP, | |
216 | .early_init = spice_app_display_early_init, | |
217 | .init = spice_app_display_init, | |
218 | }; | |
219 | ||
220 | static void register_spice_app(void) | |
221 | { | |
222 | qemu_display_register(&qemu_display_spice_app); | |
223 | } | |
224 | ||
225 | type_init(register_spice_app); | |
b36ae1c1 GH |
226 | |
227 | module_dep("ui-spice-core"); | |
228 | module_dep("chardev-spice"); |