blob: 214d8a975f18ef38854644a4a0a966e5096e5dc2 [file] [log] [blame]
/**
* 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 "utility.hpp"
#include <fstream>
namespace witherspoon
{
namespace power
{
namespace util
{
constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper";
constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper";
constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper";
using namespace phosphor::logging;
using json = nlohmann::json;
std::string getService(const std::string& path, const std::string& interface,
sdbusplus::bus::bus& bus)
{
auto method = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH,
MAPPER_INTERFACE, "GetObject");
method.append(path);
method.append(std::vector<std::string>({interface}));
auto reply = bus.call(method);
std::map<std::string, std::vector<std::string>> response;
reply.read(response);
if (response.empty())
{
log<level::ERR>("Error in mapper response for getting service name",
entry("PATH=%s", path.c_str()),
entry("INTERFACE=%s", interface.c_str()));
return std::string{};
}
return response.begin()->first;
}
json loadJSONFromFile(const char* path)
{
std::ifstream ifs(path);
if (!ifs.good())
{
log<level::ERR>("Unable to open file", entry("PATH=%s", path));
return nullptr;
}
auto data = json::parse(ifs, nullptr, false);
if (data.is_discarded())
{
log<level::ERR>("Failed to parse json", entry("PATH=%s", path));
return nullptr;
}
return data;
}
} // namespace util
} // namespace power
} // namespace witherspoon