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 17 #include "config.h" 18 #include "event.hpp" 19 #include "event_manager.hpp" 20 21 #include <experimental/filesystem> 22 23 namespace phosphor 24 { 25 namespace events 26 { 27 28 void Manager::create(const std::string& eventName, 29 const std::string& eventMessage, 30 const std::string& objectPath, 31 const std::string& propertyName, 32 const std::string& propertyValue) 33 { 34 using namespace std::string_literals; 35 namespace fs = std::experimental::filesystem; 36 37 auto msg = eventMessage; 38 std::vector<std::string> additionalData; 39 40 auto propVal = propertyName + "=" + propertyValue; 41 auto path = "path="s + objectPath; 42 43 additionalData.push_back(std::move(path)); 44 additionalData.push_back(std::move(propVal)); 45 46 auto& eventQueue = eventMap[eventName]; 47 48 // get the last event entry for this event 49 // to generate the id. 50 auto id = 0; 51 if (eventQueue.size() > 0) 52 { 53 fs::path path(eventQueue.back()->objectPath); 54 id = std::stoi(std::string(path.filename().c_str())); 55 id++; 56 } 57 58 auto ms = std::chrono::duration_cast<std::chrono::milliseconds>( 59 std::chrono::system_clock::now().time_since_epoch()) 60 .count(); 61 62 auto objPath = 63 std::string(OBJ_EVENT) + '/' + eventName + '/' + std::to_string(id); 64 65 // check for capping of the events,if cap reached then erase the oldest 66 // event. 67 if (eventQueue.size() == MAX_EVENTS) 68 { 69 eventQueue.pop(); 70 } 71 72 eventQueue.emplace(std::make_unique<Entry>(objPath, 73 ms, // Milliseconds since 1970 74 std::move(msg), 75 std::move(additionalData))); 76 } 77 78 Manager& getManager() 79 { 80 static Manager mgr; 81 return mgr; 82 } 83 84 } // namespace events 85 } // namespace phosphor 86