1 /** 2 * Copyright © 2017 IBM Corporation 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "utility.hpp" 17 18 namespace witherspoon 19 { 20 namespace power 21 { 22 namespace util 23 { 24 25 constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper"; 26 constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper"; 27 constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper"; 28 29 using namespace phosphor::logging; 30 31 32 std::string getService(const std::string& path, 33 const std::string& interface, 34 sdbusplus::bus::bus& bus) 35 { 36 auto method = bus.new_method_call(MAPPER_BUSNAME, 37 MAPPER_PATH, 38 MAPPER_INTERFACE, 39 "GetObject"); 40 41 method.append(path); 42 method.append(std::vector<std::string>({interface})); 43 44 auto reply = bus.call(method); 45 if (reply.is_method_error()) 46 { 47 log<level::ERR>("Error in mapper call to get service name", 48 entry("PATH=%s", path.c_str()), 49 entry("INTERFACE=%s", interface.c_str())); 50 51 // TODO openbmc/openbmc#851 - Once available, throw returned error 52 throw std::runtime_error("Error in mapper call to get service name"); 53 } 54 55 std::map<std::string, std::vector<std::string>> response; 56 reply.read(response); 57 58 if (response.empty()) 59 { 60 log<level::ERR>( 61 "Error in mapper response for getting service name", 62 entry("PATH=%s", path.c_str()), 63 entry("INTERFACE=%s", interface.c_str())); 64 return std::string{}; 65 } 66 67 return response.begin()->first; 68 } 69 70 } 71 } 72 } 73