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
|
/**
* coopgammad -- Cooperative gamma server
* Copyright (C) 2016 Mattias Andrée (maandree@kth.se)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "server.h"
#include "../state.h"
#include "../communication.h"
#include <string.h>
/**
* Handle a ‘Command: enumerate-crtcs’ message
*
* @param conn The index of the connection
* @param message_id The value of the ‘Message ID’ header
* @return Zero on success (even if ignored), -1 on error,
* 1 if connection closed
*/
int handle_enumerate_crtcs(size_t conn, const char* restrict message_id)
{
size_t i, n = 0, len;
char* restrict buf;
for (i = 0; i < outputs_n; i++)
n += strlen(outputs[i].name) + 1;
MAKE_MESSAGE(&buf, &n, 0,
"Command: crtc-enumeration\n"
"In response to: %s\n"
"Length: %zu\n"
"\n",
message_id, n);
for (i = 0; i < outputs_n; i++)
{
len = strlen(outputs[i].name);
memcpy(buf + n, outputs[i].name, len);
buf[n + len] = '\n';
n += len + 1;
}
return send_message(conn, buf, n);
}
|
