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 std::string getService(const std::string& path, const std::string& interface,
32                        sdbusplus::bus_t& bus)
33 {
34     auto method = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH,
35                                       MAPPER_INTERFACE, "GetObject");
36 
37     method.append(path);
38     method.append(std::vector<std::string>({interface}));
39 
40     auto reply = bus.call(method);
41 
42     std::map<std::string, std::vector<std::string>> response;
43     reply.read(response);
44 
45     if (response.empty())
46     {
47         log<level::ERR>("Error in mapper response for getting service name",
48                         entry("PATH=%s", path.c_str()),
49                         entry("INTERFACE=%s", interface.c_str()));
50         return std::string{};
51     }
52 
53     return response.begin()->first;
54 }
55 
56 } // namespace util
57 } // namespace power
58 } // namespace witherspoon
59