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29b0040b GH |
1 | /* |
2 | * Copyright (C) 2010 Red Hat, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License as | |
6 | * published by the Free Software Foundation; either version 2 or | |
7 | * (at your option) version 3 of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #include <spice.h> | |
19 | #include <spice-experimental.h> | |
20 | ||
21 | #include "qemu-common.h" | |
22 | #include "qemu-spice.h" | |
23 | #include "qemu-timer.h" | |
24 | #include "qemu-queue.h" | |
25 | #include "monitor.h" | |
26 | ||
27 | /* core bits */ | |
28 | ||
29 | static SpiceServer *spice_server; | |
30 | int using_spice = 0; | |
31 | ||
32 | struct SpiceTimer { | |
33 | QEMUTimer *timer; | |
34 | QTAILQ_ENTRY(SpiceTimer) next; | |
35 | }; | |
36 | static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers); | |
37 | ||
38 | static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque) | |
39 | { | |
40 | SpiceTimer *timer; | |
41 | ||
42 | timer = qemu_mallocz(sizeof(*timer)); | |
43 | timer->timer = qemu_new_timer(rt_clock, func, opaque); | |
44 | QTAILQ_INSERT_TAIL(&timers, timer, next); | |
45 | return timer; | |
46 | } | |
47 | ||
48 | static void timer_start(SpiceTimer *timer, uint32_t ms) | |
49 | { | |
50 | qemu_mod_timer(timer->timer, qemu_get_clock(rt_clock) + ms); | |
51 | } | |
52 | ||
53 | static void timer_cancel(SpiceTimer *timer) | |
54 | { | |
55 | qemu_del_timer(timer->timer); | |
56 | } | |
57 | ||
58 | static void timer_remove(SpiceTimer *timer) | |
59 | { | |
60 | qemu_del_timer(timer->timer); | |
61 | qemu_free_timer(timer->timer); | |
62 | QTAILQ_REMOVE(&timers, timer, next); | |
63 | qemu_free(timer); | |
64 | } | |
65 | ||
66 | struct SpiceWatch { | |
67 | int fd; | |
68 | int event_mask; | |
69 | SpiceWatchFunc func; | |
70 | void *opaque; | |
71 | QTAILQ_ENTRY(SpiceWatch) next; | |
72 | }; | |
73 | static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches); | |
74 | ||
75 | static void watch_read(void *opaque) | |
76 | { | |
77 | SpiceWatch *watch = opaque; | |
78 | watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque); | |
79 | } | |
80 | ||
81 | static void watch_write(void *opaque) | |
82 | { | |
83 | SpiceWatch *watch = opaque; | |
84 | watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque); | |
85 | } | |
86 | ||
87 | static void watch_update_mask(SpiceWatch *watch, int event_mask) | |
88 | { | |
89 | IOHandler *on_read = NULL; | |
90 | IOHandler *on_write = NULL; | |
91 | ||
92 | watch->event_mask = event_mask; | |
93 | if (watch->event_mask & SPICE_WATCH_EVENT_READ) { | |
94 | on_read = watch_read; | |
95 | } | |
96 | if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) { | |
97 | on_read = watch_write; | |
98 | } | |
99 | qemu_set_fd_handler(watch->fd, on_read, on_write, watch); | |
100 | } | |
101 | ||
102 | static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque) | |
103 | { | |
104 | SpiceWatch *watch; | |
105 | ||
106 | watch = qemu_mallocz(sizeof(*watch)); | |
107 | watch->fd = fd; | |
108 | watch->func = func; | |
109 | watch->opaque = opaque; | |
110 | QTAILQ_INSERT_TAIL(&watches, watch, next); | |
111 | ||
112 | watch_update_mask(watch, event_mask); | |
113 | return watch; | |
114 | } | |
115 | ||
116 | static void watch_remove(SpiceWatch *watch) | |
117 | { | |
118 | watch_update_mask(watch, 0); | |
119 | QTAILQ_REMOVE(&watches, watch, next); | |
120 | qemu_free(watch); | |
121 | } | |
122 | ||
123 | static SpiceCoreInterface core_interface = { | |
124 | .base.type = SPICE_INTERFACE_CORE, | |
125 | .base.description = "qemu core services", | |
126 | .base.major_version = SPICE_INTERFACE_CORE_MAJOR, | |
127 | .base.minor_version = SPICE_INTERFACE_CORE_MINOR, | |
128 | ||
129 | .timer_add = timer_add, | |
130 | .timer_start = timer_start, | |
131 | .timer_cancel = timer_cancel, | |
132 | .timer_remove = timer_remove, | |
133 | ||
134 | .watch_add = watch_add, | |
135 | .watch_update_mask = watch_update_mask, | |
136 | .watch_remove = watch_remove, | |
137 | }; | |
138 | ||
139 | /* functions for the rest of qemu */ | |
140 | ||
141 | void qemu_spice_init(void) | |
142 | { | |
143 | QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); | |
144 | const char *password; | |
145 | int port; | |
146 | ||
147 | if (!opts) { | |
148 | return; | |
149 | } | |
150 | port = qemu_opt_get_number(opts, "port", 0); | |
151 | if (!port) { | |
152 | return; | |
153 | } | |
154 | password = qemu_opt_get(opts, "password"); | |
155 | ||
156 | spice_server = spice_server_new(); | |
157 | spice_server_set_port(spice_server, port); | |
158 | if (password) { | |
159 | spice_server_set_ticket(spice_server, password, 0, 0, 0); | |
160 | } | |
161 | if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { | |
162 | spice_server_set_noauth(spice_server); | |
163 | } | |
164 | ||
165 | /* TODO: make configurable via cmdline */ | |
166 | spice_server_set_image_compression(spice_server, SPICE_IMAGE_COMPRESS_AUTO_GLZ); | |
167 | ||
168 | spice_server_init(spice_server, &core_interface); | |
169 | using_spice = 1; | |
170 | } | |
171 | ||
172 | int qemu_spice_add_interface(SpiceBaseInstance *sin) | |
173 | { | |
174 | return spice_server_add_interface(spice_server, sin); | |
175 | } | |
176 | ||
177 | static void spice_register_config(void) | |
178 | { | |
179 | qemu_add_opts(&qemu_spice_opts); | |
180 | } | |
181 | machine_init(spice_register_config); | |
182 | ||
183 | static void spice_initialize(void) | |
184 | { | |
185 | qemu_spice_init(); | |
186 | } | |
187 | device_init(spice_initialize); |