1 /**
2  * Copyright © 2020 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 
17 #include "presence_detection.hpp"
18 
19 #include "action_environment.hpp"
20 #include "action_utils.hpp"
21 #include "chassis.hpp"
22 #include "device.hpp"
23 #include "error_logging_utils.hpp"
24 #include "exception_utils.hpp"
25 #include "system.hpp"
26 
27 #include <exception>
28 
29 namespace phosphor::power::regulators
30 {
31 
32 bool PresenceDetection::execute(Services& services, System& system,
33                                 Chassis& /*chassis*/, Device& device)
34 {
35     // If no presence value is cached
36     if (!isPresent.has_value())
37     {
38         // Initially assume device is present
39         isPresent = true;
40 
41         // Execute actions to find device presence
42         try
43         {
44             // Create ActionEnvironment
45             ActionEnvironment environment{system.getIDMap(), device.getID(),
46                                           services};
47 
48             // Execute the actions and cache resulting value
49             isPresent = action_utils::execute(actions, environment);
50         }
51         catch (const std::exception& e)
52         {
53             // Log error messages in journal
54             services.getJournal().logError(exception_utils::getMessages(e));
55             services.getJournal().logError("Unable to determine presence of " +
56                                            device.getID());
57 
58             // Create error log entry
59             error_logging_utils::logError(std::current_exception(),
60                                           Entry::Level::Warning, services);
61         }
62     }
63 
64     return isPresent.value();
65 }
66 
67 } // namespace phosphor::power::regulators
68