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/**
* 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 <unistd.h>
#include "manager.hpp"
namespace phosphor
{
namespace fan
{
namespace control
{
using namespace phosphor::logging;
constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1";
constexpr auto SYSTEMD_OBJ_PATH = "/org/freedesktop/systemd1";
constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager";
constexpr auto FAN_CONTROL_READY_TARGET = "obmc-fan-control-ready@0.target";
//Note: Future code will check 'mode' before starting control algorithm
Manager::Manager(sdbusplus::bus::bus& bus,
Mode mode) :
_bus(bus)
{
//Create the appropriate Zone objects based on the
//actual system configuration.
//Find the 1 ZoneGroup that meets all of its conditions
for (auto& group : _zoneLayouts)
{
auto& conditions = std::get<conditionListPos>(group);
if (std::all_of(conditions.begin(), conditions.end(),
[](const auto& c)
{
//TODO: openbmc/openbmc#1500
//Still need to actually evaluate the conditions
return true;
}))
{
//Create a Zone object for each zone in this group
auto& zones = std::get<zoneListPos>(group);
for (auto& z : zones)
{
_zones.emplace(std::get<zoneNumPos>(z),
std::make_unique<Zone>(_bus, z));
}
break;
}
}
}
void Manager::doInit()
{
for (auto& z: _zones)
{
z.second->setFullSpeed();
}
auto delay = _powerOnDelay;
while (delay > 0)
{
delay = sleep(delay);
}
startFanControlReadyTarget();
}
void Manager::startFanControlReadyTarget()
{
auto method = _bus.new_method_call(SYSTEMD_SERVICE,
SYSTEMD_OBJ_PATH,
SYSTEMD_INTERFACE,
"StartUnit");
method.append(FAN_CONTROL_READY_TARGET);
method.append("replace");
auto response = _bus.call(method);
if (response.is_method_error())
{
//TODO openbmc/openbmc#1555 create an elog
log<level::ERR>("Failed to start fan control ready target");
throw std::runtime_error("Failed to start fan control ready target");
}
}
}
}
}
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