blob: a213fe27756b32988d00c287011c84632458985f (
plain)
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
|
/**** POSIX *******************************************************************/
/*
* To get the POSIX 'getline' function.
* We don't know what POSIX version is set by default.
*/
#define _POSIX_C_SOURCE 200809L
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/**** RELABSD *****************************************************************/
#include <relabsd/debug.h>
#include <relabsd/server.h>
#include <relabsd/device/virtual_device.h>
#include <relabsd/device/axis.h>
#include <relabsd/config/parameters.h>
/******************************************************************************/
/**** LOCAL FUNCTIONS *********************************************************/
/******************************************************************************/
static void propagate_changes
(
struct relabsd_server server [const static 1]
)
{
struct relabsd_axis * axis;
int i;
int virtual_device_is_dirty;
virtual_device_is_dirty = 0;
for (i = 0; i < RELABSD_AXIS_VALID_AXES_COUNT; ++i)
{
axis =
relabsd_parameters_get_axis
(
(enum relabsd_axis_name) i,
&(server->parameters)
);
if (relabsd_axis_attributes_are_dirty(axis))
{
(void) relabsd_virtual_device_update_axis_absinfo
(
(enum relabsd_axis_name) i,
axis,
&(server->virtual_device)
);
relabsd_axis_set_attributes_are_dirty(0, axis);
virtual_device_is_dirty = 1;
}
}
if (relabsd_parameters_device_name_is_dirty(&(server->parameters)))
{
(void) relabsd_virtual_device_rename
(
&(server->parameters),
&(server->virtual_device)
);
relabsd_parameters_clean_device_name(&(server->parameters));
virtual_device_is_dirty = 1;
}
if (virtual_device_is_dirty)
{
(void) relabsd_virtual_device_recreate(&(server->virtual_device));
}
}
/******************************************************************************/
/**** EXPORTED FUNCTIONS ******************************************************/
/******************************************************************************/
int relabsd_server_handle_client
(
const int socket,
struct relabsd_server server [const static 1]
)
{
FILE * socket_as_file;
errno = 0;
socket_as_file = fdopen(socket, "r");
if (socket_as_file == ((FILE *) NULL))
{
RELABSD_ERROR
(
"Unable to open client socket as a FILE: %s.",
strerror(errno)
);
(void) close(socket);
return -1;
}
pthread_mutex_lock(&(server->mutex));
(void) relabsd_parameters_handle_remote_client
(
socket_as_file,
&(server->parameters)
);
propagate_changes(server);
pthread_mutex_unlock(&(server->mutex));
/* This also closes 'socket' */
(void) fclose(socket_as_file);
return 0;
}
|
