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
|
/**
* Copyright © 2017 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <algorithm>
#include <phosphor-logging/log.hpp>
#include "fan.hpp"
#include "types.hpp"
namespace phosphor
{
namespace fan
{
namespace monitor
{
using namespace phosphor::logging;
Fan::Fan(sdbusplus::bus::bus& bus,
std::shared_ptr<sd_event>& events,
const FanDefinition& def) :
_bus(bus),
_name(std::get<fanNameField>(def)),
_deviation(std::get<fanDeviationField>(def)),
_numSensorFailsForNonFunc(std::get<numSensorFailsForNonfuncField>(def))
{
auto& sensors = std::get<sensorListField>(def);
for (auto& s : sensors)
{
_sensors.emplace_back(
std::make_unique<TachSensor>(bus,
*this,
std::get<sensorNameField>(s),
std::get<hasTargetField>(s),
std::get<timeoutField>(def),
events));
}
}
void Fan::tachChanged()
{
for (auto& s : _sensors)
{
tachChanged(*s);
}
}
void Fan::tachChanged(TachSensor& sensor)
{
//TODO
}
uint64_t Fan::getTargetSpeed(const TachSensor& sensor)
{
uint64_t target = 0;
if (sensor.hasTarget())
{
target = sensor.getTarget();
}
else
{
//The sensor doesn't support a target,
//so get it from another sensor.
auto s = std::find_if(_sensors.begin(), _sensors.end(),
[](const auto& s)
{
return s->hasTarget();
});
if (s != _sensors.end())
{
target = (*s)->getTarget();
}
}
return target;
}
bool Fan::tooManySensorsNonfunctional()
{
size_t numFailed = std::count_if(_sensors.begin(), _sensors.end(),
[](const auto& s)
{
return !s->functional();
});
return (numFailed >= _numSensorFailsForNonFunc);
}
bool Fan::outOfRange(const TachSensor& sensor)
{
auto actual = static_cast<uint64_t>(sensor.getInput());
auto target = getTargetSpeed(sensor);
uint64_t min = target * (100 - _deviation) / 100;
uint64_t max = target * (100 + _deviation) / 100;
if ((actual < min) || (actual > max))
{
return true;
}
return false;
}
void Fan::timerExpired(TachSensor& sensor)
{
sensor.setFunctional(false);
//If the fan is currently functional, but too many
//contained sensors are now nonfunctional, update
//the whole fan nonfunctional.
//TODO
}
}
}
}
|
