blob: b9cdb6781c3287e53e0ad093d23d53ec2c58ca59 [file] [log] [blame]
/**
* 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 "dbus_mode.hpp"
#include <ipmid/api.h>
#include <sdbusplus/bus.hpp>
#include <sdbusplus/message.hpp>
#include <cstdint>
#include <string>
#include <variant>
namespace pid_control
{
namespace ipmi
{
static constexpr auto objectPath = "/xyz/openbmc_project/settings/fanctrl/zone";
static constexpr auto busName = "xyz.openbmc_project.State.FanCtrl";
static constexpr auto intf = "xyz.openbmc_project.Control.Mode";
static constexpr auto manualProperty = "Manual";
static constexpr auto failsafeProperty = "FailSafe";
static constexpr auto propertiesintf = "org.freedesktop.DBus.Properties";
using Property = std::string;
using Value = std::variant<bool>;
using PropertyMap = std::map<Property, Value>;
/* The following was copied directly from my manual thread handler. */
static std::string getControlPath(int8_t zone)
{
return std::string(objectPath) + std::to_string(zone);
}
uint8_t DbusZoneControl::getFanCtrlProperty(uint8_t zoneId, bool* value,
const std::string& property)
{
std::string path = getControlPath(zoneId);
auto propertyReadBus = sdbusplus::bus::new_system();
auto pimMsg = propertyReadBus.new_method_call(busName, path.c_str(),
propertiesintf, "GetAll");
pimMsg.append(intf);
try
{
PropertyMap propMap;
/* a method could error but the call not error. */
auto valueResponseMsg = propertyReadBus.call(pimMsg);
valueResponseMsg.read(propMap);
*value = std::get<bool>(propMap[property]);
}
catch (const sdbusplus::exception::exception& ex)
{
return IPMI_CC_INVALID;
}
return IPMI_CC_OK;
}
uint8_t DbusZoneControl::setFanCtrlProperty(uint8_t zoneId, bool value,
const std::string& property)
{
using Value = std::variant<bool>;
Value v{value};
std::string path = getControlPath(zoneId);
auto PropertyWriteBus = sdbusplus::bus::new_system();
auto pimMsg = PropertyWriteBus.new_method_call(busName, path.c_str(),
propertiesintf, "Set");
pimMsg.append(intf);
pimMsg.append(property);
pimMsg.append(v);
try
{
PropertyWriteBus.call_noreply(pimMsg);
}
catch (const sdbusplus::exception::exception& ex)
{
return IPMI_CC_INVALID;
}
/* TODO(venture): Should sanity check the result. */
return IPMI_CC_OK;
}
} // namespace ipmi
} // namespace pid_control