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/**
* Copyright 2017 Google Inc.
*
* 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 "host.hpp"
#include <cmath>
#include <iostream>
#include <memory>
#include <mutex>
std::unique_ptr<Sensor> HostSensor::createTemp(const std::string& name,
int64_t timeout,
sdbusplus::bus::bus& bus,
const char* objPath, bool defer)
{
auto sensor =
std::make_unique<HostSensor>(name, timeout, bus, objPath, defer);
sensor->value(0);
// DegreesC and value of 0 are the defaults at present, therefore testing
// this code only sees scale get updated as a property.
// TODO(venture): Need to not hard-code that this is DegreesC and scale
// 10x-3 unless it is! :D
sensor->unit(ValueInterface::Unit::DegreesC);
sensor->scale(-3);
sensor->emit_object_added();
// emit_object_added() can be called twice, harmlessly, the second time it
// doesn't actually happen, but we don't want to call it before we set up
// the initial values, so we should not let someone call this with
// defer=false.
/* TODO(venture): Need to set that _updated is set to epoch or something
* else. what is the default value?
*/
return sensor;
}
int64_t HostSensor::value(int64_t value)
{
std::lock_guard<std::mutex> guard(_lock);
_updated = std::chrono::high_resolution_clock::now();
_value = value * pow(10, scale()); /* scale value */
return ValueObject::value(value);
}
ReadReturn HostSensor::read(void)
{
std::lock_guard<std::mutex> guard(_lock);
/* This doesn't sanity check anything, that's the caller's job. */
struct ReadReturn r = {_value, _updated};
return r;
}
void HostSensor::write(double value)
{
throw std::runtime_error("Not Implemented.");
}
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