1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* Copyright (C) 2010 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#include "user-events.h"
#include "android/utils/debug.h"
#include "android/user-events-common.h"
#include "console.h"
#include <stdio.h>
#include "android/looper.h"
#include "android/async-utils.h"
#include "android/core-connection.h"
/* Descriptor for the user events client. */
typedef struct ClientUserEvents {
/* Core connection instance for the user events client. */
CoreConnection* core_connection;
/* Socket for the client. */
int sock;
/* Socket wrapper for sync I/O. */
SyncSocket* sync_socket;
} ClientUserEvents;
/* One and only one user events client instance. */
static ClientUserEvents _client_ue = { 0 };
int
clientue_create(SockAddress* console_socket)
{
char* connect_message = NULL;
char switch_cmd[256];
// Connect to the framebuffer service.
_client_ue.core_connection = core_connection_create(console_socket);
if (_client_ue.core_connection == NULL) {
derror("User events client is unable to connect to the console: %s\n",
errno_str);
return -1;
}
if (core_connection_open(_client_ue.core_connection)) {
core_connection_free(_client_ue.core_connection);
_client_ue.core_connection = NULL;
derror("User events client is unable to open the console: %s\n",
errno_str);
return -1;
}
snprintf(switch_cmd, sizeof(switch_cmd), "user-events");
if (core_connection_switch_stream(_client_ue.core_connection, switch_cmd,
&connect_message)) {
derror("Unable to connect to the user events service: %s\n",
connect_message ? connect_message : "");
if (connect_message != NULL) {
free(connect_message);
}
core_connection_close(_client_ue.core_connection);
core_connection_free(_client_ue.core_connection);
_client_ue.core_connection = NULL;
return -1;
}
// Now that we're connected lets initialize the descriptor.
_client_ue.sock = core_connection_get_socket(_client_ue.core_connection);
_client_ue.sync_socket = syncsocket_init(_client_ue.sock);
if (connect_message != NULL) {
free(connect_message);
}
fprintf(stdout, "User events client is now attached to the core %s\n",
sock_address_to_string(console_socket));
return 0;
}
/* Sends an event to the core.
* Parameters:
* ue - User events client instance.
* event - Event type. Must be one of the AUSER_EVENT_XXX.
* event_param - Event parameters.
* size - Byte size of the event parameters buffer.
* Return:
* 0 on success, or -1 on failure.
*/
static int
clientue_send(ClientUserEvents* ue,
uint8_t event,
const void* event_param,
size_t size)
{
int res;
UserEventHeader header;
header.event_type = event;
res = syncsocket_start_write(ue->sync_socket);
if (!res) {
// Send event type first (event header)
res = syncsocket_write(ue->sync_socket, &header, sizeof(header), 500);
if (res > 0) {
// Send event param next.
res = syncsocket_write(ue->sync_socket, event_param, size, 500);
}
res = syncsocket_result(res);
syncsocket_stop_write(ue->sync_socket);
}
if (res < 0) {
derror("Unable to send user event: %s\n", errno_str);
}
return res;
}
void
user_event_keycodes(int *kcodes, int count)
{
int nn;
for (nn = 0; nn < count; nn++)
user_event_keycode(kcodes[nn]);
}
void
user_event_keycode(int kcode)
{
UserEventKeycode message;
message.keycode = kcode;
clientue_send(&_client_ue, AUSER_EVENT_KEYCODE, &message, sizeof(message));
}
void
user_event_key(unsigned code, unsigned down)
{
if(code == 0) {
return;
}
if (VERBOSE_CHECK(keys))
printf(">> KEY [0x%03x,%s]\n", (code & 0x1ff), down ? "down" : " up " );
user_event_keycode((code & 0x1ff) | (down ? 0x200 : 0));
}
void
user_event_mouse(int dx, int dy, int dz, unsigned buttons_state)
{
UserEventMouse message;
message.dx = dx;
message.dy = dy;
message.dz = dz;
message.buttons_state = buttons_state;
clientue_send(&_client_ue, AUSER_EVENT_MOUSE, &message, sizeof(message));
}
void user_event_register_generic(void* opaque, QEMUPutGenericEvent *callback)
{
}
void
user_event_generic(int type, int code, int value)
{
UserEventGeneric message;
message.type = type;
message.code = code;
message.value = value;
clientue_send(&_client_ue, AUSER_EVENT_GENERIC, &message, sizeof(message));
}
|
