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/**
* Copyright © 2019 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 "config.h"
#include "data_interface.hpp"
#include <fstream>
#include <xyz/openbmc_project/State/OperatingSystem/Status/server.hpp>
namespace openpower
{
namespace pels
{
namespace service_name
{
constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper";
} // namespace service_name
namespace object_path
{
constexpr auto objectMapper = "/xyz/openbmc_project/object_mapper";
constexpr auto systemInv = "/xyz/openbmc_project/inventory/system";
constexpr auto baseInv = "/xyz/openbmc_project/inventory";
constexpr auto bmcState = "/xyz/openbmc_project/state/bmc0";
constexpr auto chassisState = "/xyz/openbmc_project/state/chassis0";
constexpr auto hostState = "/xyz/openbmc_project/state/host0";
constexpr auto pldm = "/xyz/openbmc_project/pldm";
constexpr auto enableHostPELs =
"/xyz/openbmc_project/logging/send_event_logs_to_host";
} // namespace object_path
namespace interface
{
constexpr auto dbusProperty = "org.freedesktop.DBus.Properties";
constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper";
constexpr auto invAsset = "xyz.openbmc_project.Inventory.Decorator.Asset";
constexpr auto osStatus = "xyz.openbmc_project.State.OperatingSystem.Status";
constexpr auto pldmRequester = "xyz.openbmc_project.PLDM.Requester";
constexpr auto enable = "xyz.openbmc_project.Object.Enable";
constexpr auto bmcState = "xyz.openbmc_project.State.BMC";
constexpr auto chassisState = "xyz.openbmc_project.State.Chassis";
constexpr auto hostState = "xyz.openbmc_project.State.Host";
constexpr auto invMotherboard =
"xyz.openbmc_project.Inventory.Item.Board.Motherboard";
constexpr auto viniRecordVPD = "com.ibm.ipzvpd.VINI";
} // namespace interface
using namespace sdbusplus::xyz::openbmc_project::State::OperatingSystem::server;
using sdbusplus::exception::SdBusError;
DataInterface::DataInterface(sdbusplus::bus::bus& bus) : _bus(bus)
{
readBMCFWVersion();
readServerFWVersion();
readBMCFWVersionID();
readMotherboardCCIN();
// Watch both the Model and SN properties on the system's Asset iface
_properties.emplace_back(std::make_unique<InterfaceWatcher<DataInterface>>(
bus, object_path::systemInv, interface::invAsset, *this,
[this](const auto& properties) {
auto model = properties.find("Model");
if (model != properties.end())
{
this->_machineTypeModel = std::get<std::string>(model->second);
}
auto sn = properties.find("SerialNumber");
if (sn != properties.end())
{
this->_machineSerialNumber = std::get<std::string>(sn->second);
}
}));
// Watch the OperatingSystemState property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::hostState, interface::osStatus,
"OperatingSystemState", *this, [this](const auto& value) {
auto status =
Status::convertOSStatusFromString(std::get<std::string>(value));
if ((status == Status::OSStatus::BootComplete) ||
(status == Status::OSStatus::Standby))
{
setHostUp(true);
}
else
{
setHostUp(false);
}
}));
// Watch the host PEL enable property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::enableHostPELs, interface::enable, "Enabled", *this,
[this](const auto& value) {
this->_sendPELsToHost = std::get<bool>(value);
}));
// Watch the BMCState property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::bmcState, interface::bmcState, "CurrentBMCState",
*this, [this](const auto& value) {
this->_bmcState = std::get<std::string>(value);
}));
// Watch the chassis current and requested power state properties
_properties.emplace_back(std::make_unique<InterfaceWatcher<DataInterface>>(
bus, object_path::chassisState, interface::chassisState, *this,
[this](const auto& properties) {
auto state = properties.find("CurrentPowerState");
if (state != properties.end())
{
this->_chassisState = std::get<std::string>(state->second);
}
auto trans = properties.find("RequestedPowerTransition");
if (trans != properties.end())
{
this->_chassisTransition = std::get<std::string>(trans->second);
}
}));
// Watch the CurrentHostState property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::hostState, interface::hostState, "CurrentHostState",
*this, [this](const auto& value) {
this->_hostState = std::get<std::string>(value);
}));
}
DBusPropertyMap
DataInterface::getAllProperties(const std::string& service,
const std::string& objectPath,
const std::string& interface) const
{
DBusPropertyMap properties;
auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
interface::dbusProperty, "GetAll");
method.append(interface);
auto reply = _bus.call(method);
reply.read(properties);
return properties;
}
void DataInterface::getProperty(const std::string& service,
const std::string& objectPath,
const std::string& interface,
const std::string& property,
DBusValue& value) const
{
auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
interface::dbusProperty, "Get");
method.append(interface, property);
auto reply = _bus.call(method);
reply.read(value);
}
DBusPathList DataInterface::getPaths(const DBusInterfaceList& interfaces) const
{
auto method = _bus.new_method_call(
service_name::objectMapper, object_path::objectMapper,
interface::objectMapper, "GetSubTreePaths");
method.append(std::string{"/"}, 0, interfaces);
auto reply = _bus.call(method);
DBusPathList paths;
reply.read(paths);
return paths;
}
DBusService DataInterface::getService(const std::string& objectPath,
const std::string& interface) const
{
auto method = _bus.new_method_call(service_name::objectMapper,
object_path::objectMapper,
interface::objectMapper, "GetObject");
method.append(objectPath, std::vector<std::string>({interface}));
auto reply = _bus.call(method);
std::map<DBusService, DBusInterfaceList> response;
reply.read(response);
if (!response.empty())
{
return response.begin()->first;
}
return std::string{};
}
uint8_t DataInterface::getPLDMInstanceID(uint8_t eid) const
{
return 0;
// Don't use until PLDM switches to async D-Bus.
#if 0
auto service = getService(object_path::pldm, interface::pldmRequester);
auto method =
_bus.new_method_call(service.c_str(), object_path::pldm,
interface::pldmRequester, "GetInstanceId");
method.append(eid);
auto reply = _bus.call(method);
uint8_t instanceID = 0;
reply.read(instanceID);
return instanceID;
#endif
}
/**
* @brief Return a value found in the /etc/os-release file
*
* @param[in] key - The key name, like "VERSION"
*
* @return std::optional<std::string> - The value
*/
std::optional<std::string> getOSReleaseValue(const std::string& key)
{
std::ifstream versionFile{BMC_VERSION_FILE};
std::string line;
std::string keyPattern{key + '='};
while (std::getline(versionFile, line))
{
if (line.find(keyPattern) != std::string::npos)
{
auto pos = line.find_first_of('"') + 1;
auto value = line.substr(pos, line.find_last_of('"') - pos);
return value;
}
}
return std::nullopt;
}
void DataInterface::readBMCFWVersion()
{
_bmcFWVersion = getOSReleaseValue("VERSION").value_or("");
}
void DataInterface::readServerFWVersion()
{
// Not available yet
}
void DataInterface::readBMCFWVersionID()
{
_bmcFWVersionID = getOSReleaseValue("VERSION_ID").value_or("");
}
void DataInterface::readMotherboardCCIN()
{
try
{
// First, try to find the motherboard
auto motherboards = getPaths({interface::invMotherboard});
if (motherboards.empty())
{
throw std::runtime_error("No motherboards yet");
}
// Found it, so now get the CCIN
_properties.emplace_back(
std::make_unique<PropertyWatcher<DataInterface>>(
_bus, motherboards.front(), interface::viniRecordVPD, "CC",
*this,
[this](const auto& ccin) { this->setMotherboardCCIN(ccin); }));
}
catch (const std::exception& e)
{
// No motherboard in the inventory yet - watch for it
_inventoryIfacesAddedMatch = std::make_unique<sdbusplus::bus::match_t>(
_bus, match_rules::interfacesAdded(object_path::baseInv),
std::bind(std::mem_fn(&DataInterface::motherboardIfaceAdded), this,
std::placeholders::_1));
}
}
void DataInterface::motherboardIfaceAdded(sdbusplus::message::message& msg)
{
sdbusplus::message::object_path path;
DBusInterfaceMap interfaces;
msg.read(path, interfaces);
// This is watching the whole inventory, so check if it's what we want
if (interfaces.find(interface::invMotherboard) == interfaces.end())
{
return;
}
// Done watching for any new inventory interfaces
_inventoryIfacesAddedMatch.reset();
// Watch the motherboard CCIN, using the service from this signal
// for the initial property read.
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
_bus, path, interface::viniRecordVPD, "CC", msg.get_sender(), *this,
[this](const auto& ccin) { this->setMotherboardCCIN(ccin); }));
}
} // namespace pels
} // namespace openpower