Marc-André Lureau | d8aec9d | 2019-02-21 12:07:03 +0100 | [diff] [blame] | 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 | */ |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 24 | |
Marc-André Lureau | d8aec9d | 2019-02-21 12:07:03 +0100 | [diff] [blame] | 25 | #include "qemu/osdep.h" |
| 26 | |
| 27 | #include <gio/gio.h> |
| 28 | |
Marc-André Lureau | d8aec9d | 2019-02-21 12:07:03 +0100 | [diff] [blame] | 29 | #include "ui/console.h" |
| 30 | #include "qemu/config-file.h" |
| 31 | #include "qemu/option.h" |
| 32 | #include "qemu/cutils.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 33 | #include "qemu/module.h" |
Marc-André Lureau | d8aec9d | 2019-02-21 12:07:03 +0100 | [diff] [blame] | 34 | #include "qapi/error.h" |
| 35 | #include "io/channel-command.h" |
| 36 | #include "chardev/spice.h" |
| 37 | #include "sysemu/sysemu.h" |
| 38 | |
| 39 | static const char *tmp_dir; |
| 40 | static char *app_dir; |
| 41 | static char *sock_path; |
| 42 | |
| 43 | typedef struct VCChardev { |
| 44 | SpiceChardev parent; |
| 45 | } VCChardev; |
| 46 | |
| 47 | #define TYPE_CHARDEV_VC "chardev-vc" |
| 48 | #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC) |
| 49 | |
| 50 | static ChardevBackend * |
| 51 | chr_spice_backend_new(void) |
| 52 | { |
| 53 | ChardevBackend *be = g_new0(ChardevBackend, 1); |
| 54 | |
| 55 | be->type = CHARDEV_BACKEND_KIND_SPICEPORT; |
| 56 | be->u.spiceport.data = g_new0(ChardevSpicePort, 1); |
| 57 | |
| 58 | return be; |
| 59 | } |
| 60 | |
| 61 | static void vc_chr_open(Chardev *chr, |
| 62 | ChardevBackend *backend, |
| 63 | bool *be_opened, |
| 64 | Error **errp) |
| 65 | { |
| 66 | ChardevBackend *be; |
| 67 | const char *fqdn = NULL; |
| 68 | |
| 69 | if (strstart(chr->label, "serial", NULL)) { |
| 70 | fqdn = "org.qemu.console.serial.0"; |
| 71 | } else if (strstart(chr->label, "parallel", NULL)) { |
| 72 | fqdn = "org.qemu.console.parallel.0"; |
| 73 | } else if (strstart(chr->label, "compat_monitor", NULL)) { |
| 74 | fqdn = "org.qemu.monitor.hmp.0"; |
| 75 | } |
| 76 | |
| 77 | be = chr_spice_backend_new(); |
| 78 | be->u.spiceport.data->fqdn = fqdn ? |
| 79 | g_strdup(fqdn) : g_strdup_printf("org.qemu.console.%s", chr->label); |
| 80 | qemu_chr_open_spice_port(chr, be, be_opened, errp); |
| 81 | qapi_free_ChardevBackend(be); |
| 82 | } |
| 83 | |
| 84 | static void vc_chr_set_echo(Chardev *chr, bool echo) |
| 85 | { |
| 86 | /* TODO: set echo for frontends QMP and qtest */ |
| 87 | } |
| 88 | |
| 89 | static void char_vc_class_init(ObjectClass *oc, void *data) |
| 90 | { |
| 91 | ChardevClass *cc = CHARDEV_CLASS(oc); |
| 92 | |
| 93 | cc->parse = qemu_chr_parse_vc; |
| 94 | cc->open = vc_chr_open; |
| 95 | cc->chr_set_echo = vc_chr_set_echo; |
| 96 | } |
| 97 | |
| 98 | static const TypeInfo char_vc_type_info = { |
| 99 | .name = TYPE_CHARDEV_VC, |
| 100 | .parent = TYPE_CHARDEV_SPICEPORT, |
| 101 | .instance_size = sizeof(VCChardev), |
| 102 | .class_init = char_vc_class_init, |
| 103 | }; |
| 104 | |
| 105 | static void spice_app_atexit(void) |
| 106 | { |
| 107 | if (sock_path) { |
| 108 | unlink(sock_path); |
| 109 | } |
| 110 | if (tmp_dir) { |
| 111 | rmdir(tmp_dir); |
| 112 | } |
| 113 | g_free(sock_path); |
| 114 | g_free(app_dir); |
| 115 | } |
| 116 | |
| 117 | static void spice_app_display_early_init(DisplayOptions *opts) |
| 118 | { |
| 119 | QemuOpts *qopts; |
| 120 | ChardevBackend *be = chr_spice_backend_new(); |
| 121 | GError *err = NULL; |
| 122 | |
| 123 | if (opts->has_full_screen) { |
| 124 | error_report("spice-app full-screen isn't supported yet."); |
| 125 | exit(1); |
| 126 | } |
| 127 | if (opts->has_window_close) { |
| 128 | error_report("spice-app window-close isn't supported yet."); |
| 129 | exit(1); |
| 130 | } |
| 131 | |
| 132 | atexit(spice_app_atexit); |
| 133 | |
| 134 | if (qemu_name) { |
| 135 | app_dir = g_build_filename(g_get_user_runtime_dir(), |
| 136 | "qemu", qemu_name, NULL); |
| 137 | if (g_mkdir_with_parents(app_dir, S_IRWXU) < -1) { |
| 138 | error_report("Failed to create directory %s: %s", |
| 139 | app_dir, strerror(errno)); |
| 140 | exit(1); |
| 141 | } |
| 142 | } else { |
| 143 | app_dir = g_dir_make_tmp(NULL, &err); |
| 144 | tmp_dir = app_dir; |
| 145 | if (err) { |
| 146 | error_report("Failed to create temporary directory: %s", |
| 147 | err->message); |
| 148 | exit(1); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | type_register(&char_vc_type_info); |
| 153 | |
| 154 | sock_path = g_strjoin("", app_dir, "/", "spice.sock", NULL); |
| 155 | qopts = qemu_opts_create(qemu_find_opts("spice"), NULL, 0, &error_abort); |
| 156 | qemu_opt_set(qopts, "disable-ticketing", "on", &error_abort); |
| 157 | qemu_opt_set(qopts, "unix", "on", &error_abort); |
| 158 | qemu_opt_set(qopts, "addr", sock_path, &error_abort); |
| 159 | qemu_opt_set(qopts, "image-compression", "off", &error_abort); |
| 160 | qemu_opt_set(qopts, "streaming-video", "off", &error_abort); |
Marc-André Lureau | cb0efb7 | 2019-05-24 15:09:43 +0200 | [diff] [blame] | 161 | #ifdef CONFIG_OPENGL |
Marc-André Lureau | d8aec9d | 2019-02-21 12:07:03 +0100 | [diff] [blame] | 162 | qemu_opt_set(qopts, "gl", opts->has_gl ? "on" : "off", &error_abort); |
| 163 | display_opengl = opts->has_gl; |
Marc-André Lureau | cb0efb7 | 2019-05-24 15:09:43 +0200 | [diff] [blame] | 164 | #endif |
Marc-André Lureau | d8aec9d | 2019-02-21 12:07:03 +0100 | [diff] [blame] | 165 | be->u.spiceport.data->fqdn = g_strdup("org.qemu.monitor.qmp.0"); |
| 166 | qemu_chardev_new("org.qemu.monitor.qmp", TYPE_CHARDEV_SPICEPORT, |
| 167 | be, NULL, &error_abort); |
| 168 | qopts = qemu_opts_create(qemu_find_opts("mon"), |
| 169 | NULL, 0, &error_fatal); |
| 170 | qemu_opt_set(qopts, "chardev", "org.qemu.monitor.qmp", &error_abort); |
| 171 | qemu_opt_set(qopts, "mode", "control", &error_abort); |
| 172 | |
| 173 | qapi_free_ChardevBackend(be); |
| 174 | } |
| 175 | |
| 176 | static void spice_app_display_init(DisplayState *ds, DisplayOptions *opts) |
| 177 | { |
| 178 | GError *err = NULL; |
| 179 | gchar *uri; |
| 180 | |
| 181 | uri = g_strjoin("", "spice+unix://", app_dir, "/", "spice.sock", NULL); |
| 182 | info_report("Launching display with URI: %s", uri); |
| 183 | g_app_info_launch_default_for_uri(uri, NULL, &err); |
| 184 | if (err) { |
| 185 | error_report("Failed to launch %s URI: %s", uri, err->message); |
| 186 | error_report("You need a capable Spice client, " |
| 187 | "such as virt-viewer 8.0"); |
| 188 | exit(1); |
| 189 | } |
| 190 | g_free(uri); |
| 191 | } |
| 192 | |
| 193 | static QemuDisplay qemu_display_spice_app = { |
| 194 | .type = DISPLAY_TYPE_SPICE_APP, |
| 195 | .early_init = spice_app_display_early_init, |
| 196 | .init = spice_app_display_init, |
| 197 | }; |
| 198 | |
| 199 | static void register_spice_app(void) |
| 200 | { |
| 201 | qemu_display_register(&qemu_display_spice_app); |
| 202 | } |
| 203 | |
| 204 | type_init(register_spice_app); |