1 /* 2 * Copyright (C) 2010 The Android Open Source Project 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 #ifndef CRASH_REPORTER_UNCLEAN_SHUTDOWN_COLLECTOR_H_ 18 #define CRASH_REPORTER_UNCLEAN_SHUTDOWN_COLLECTOR_H_ 19 20 #include <string> 21 22 #include <base/files/file_path.h> 23 #include <base/macros.h> 24 #include <gtest/gtest_prod.h> // for FRIEND_TEST 25 26 #include "crash_collector.h" 27 28 // Unclean shutdown collector. 29 class UncleanShutdownCollector : public CrashCollector { 30 public: 31 UncleanShutdownCollector(); 32 ~UncleanShutdownCollector() override; 33 34 // Enable collection - signal that a boot has started. 35 bool Enable(); 36 37 // Collect if there is was an unclean shutdown. Returns true if 38 // there was, false otherwise. 39 bool Collect(); 40 41 // Disable collection - signal that the system has been shutdown cleanly. 42 bool Disable(); 43 44 private: 45 friend class UncleanShutdownCollectorTest; 46 FRIEND_TEST(UncleanShutdownCollectorTest, EnableCannotWrite); 47 FRIEND_TEST(UncleanShutdownCollectorTest, CollectDeadBatterySuspended); 48 49 bool DeleteUncleanShutdownFiles(); 50 51 // Check for unclean shutdown due to battery running out by analyzing powerd 52 // trace files. 53 bool DeadBatteryCausedUncleanShutdown(); 54 55 const char *unclean_shutdown_file_; 56 base::FilePath powerd_trace_path_; 57 base::FilePath powerd_suspended_file_; 58 59 DISALLOW_COPY_AND_ASSIGN(UncleanShutdownCollector); 60 }; 61 62 #endif // CRASH_REPORTER_UNCLEAN_SHUTDOWN_COLLECTOR_H_ 63
