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
|
/*
* Copyright (C) 2005-2009 Alex Murray <murray.alex@gmail.com>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif /* HAVE_STDIO_H */
#include <glib.h>
#include <glib/gi18n.h>
#include "i8k-plugin.h"
const gchar *plugin_name = "i8k";
#define I8K_DEVICE_PATH "/proc/i8k"
#define I8K_DEVICE_FILE "i8k"
enum {
I8K_DEVICE_FILE_OPEN_ERROR,
I8K_DEVICE_FILE_READ_ERROR
};
static void i8k_plugin_setup_manually(GList **sensors) {
if (g_file_test(I8K_DEVICE_PATH, G_FILE_TEST_EXISTS)) {
/* with i8k have only 3 fixed sensors, all accessed
from the I8K_DEVICE_PATH */
sensors_applet_plugin_add_sensor(sensors,
I8K_DEVICE_PATH,
"temp1",
_("CPU"),
TEMP_SENSOR,
TRUE,
CPU_ICON,
DEFAULT_GRAPH_COLOR);
sensors_applet_plugin_add_sensor(sensors,
I8K_DEVICE_PATH,
"fan1",
_("FAN1"),
FAN_SENSOR,
FALSE,
FAN_ICON,
DEFAULT_GRAPH_COLOR);
sensors_applet_plugin_add_sensor(sensors,
I8K_DEVICE_PATH,
"fan2",
_("FAN2"),
FAN_SENSOR,
FALSE,
FAN_ICON,
DEFAULT_GRAPH_COLOR);
}
}
/* to be called externally to setup for i8k sensors */
static GList *i8k_plugin_init(void) {
GList *sensors = NULL;
i8k_plugin_setup_manually(&sensors);
return sensors;
}
gdouble i8k_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
/* to open and access the value of each sensor */
FILE *fp;
gint cpu_temp, fan1_status, fan2_status, fan1_rpm, fan2_rpm;
gint sensor_value;
gint space_count, file_length;
if (NULL == (fp = fopen(path, "r"))) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);
return -1.0;
}
space_count = 0;
file_length = 0;
/* count spaces but stop if have counted 100 characters and
still not found a space (to avoid infinite loop if file
format error) */
while (file_length < 100 && space_count < 3) {
if (fgetc(fp) == ' ') {
space_count++;
}
file_length++;
}
if (fscanf(fp, "%d %d %d %d %d", &cpu_temp, &fan1_status, &fan2_status, &fan1_rpm, &fan2_rpm) != 5) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
fclose(fp);
switch (type) {
case TEMP_SENSOR:
sensor_value = cpu_temp;
break;
case FAN_SENSOR:
switch (id[3]) {
case '1':
sensor_value = fan1_rpm;
break;
case '2':
sensor_value = fan2_rpm;
break;
default:
g_error("Error in i8k sensor get value function code for id %s", id);
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
return -1.0;
}
break;
default:
g_error("Unknown sensor type passed as parameter to i8k sensor interface, cannot get value for this sensor");
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
return -1.0;
} // end switch (sensor_type)
return (gdouble)sensor_value;
}
const gchar *sensors_applet_plugin_name(void)
{
return plugin_name;
}
GList *sensors_applet_plugin_init(void)
{
return i8k_plugin_init();
}
gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
return i8k_plugin_get_sensor_value(path, id, type, error);
}
|
