| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_H5VCC_H5VCC_CRASH_LOG_H_ |
| #define COBALT_H5VCC_H5VCC_CRASH_LOG_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/memory/singleton.h" |
| #include "cobalt/h5vcc/h5vcc_crash_type.h" |
| #include "cobalt/h5vcc/watchdog_replace.h" |
| #include "cobalt/h5vcc/watchdog_state.h" |
| #include "cobalt/script/wrappable.h" |
| #include "cobalt/watchdog/watchdog.h" |
| |
| namespace cobalt { |
| namespace h5vcc { |
| |
| // We keep a global mapping of all registered logs. When a crash occurs, we |
| // will iterate through the mapping in this dictionary to extract all |
| // logged entries and write them to the system's crash logger via Starboard. |
| class CrashLogDictionary { |
| public: |
| static CrashLogDictionary* GetInstance(); |
| |
| void SetString(const std::string& key, const std::string& value); |
| |
| private: |
| CrashLogDictionary(); |
| |
| static void CoreDumpHandler(void* context); |
| |
| void OnCrash(); |
| |
| friend struct base::DefaultSingletonTraits<CrashLogDictionary>; |
| |
| base::subtle::Atomic32 accessing_log_data_; |
| |
| // It is possible for multiple threads to call the H5VCC interface at the |
| // same time, and they will all forward to this global singleton, so we |
| // use this mutex to protect against concurrent access. |
| base::Lock mutex_; |
| |
| typedef std::map<std::string, std::string> StringMap; |
| // Keeps track of all string values to be logged when a crash occurs. |
| StringMap string_log_map_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CrashLogDictionary); |
| }; |
| |
| class H5vccCrashLog : public script::Wrappable { |
| public: |
| H5vccCrashLog() {} |
| |
| bool SetString(const std::string& key, const std::string& value); |
| |
| void TriggerCrash(H5vccCrashType intent); |
| |
| bool Register(const std::string& name, const std::string& description, |
| WatchdogState watchdog_state, |
| int64_t time_interval_milliseconds, |
| int64_t time_wait_milliseconds, |
| WatchdogReplace watchdog_replace); |
| |
| bool Unregister(const std::string& name); |
| |
| bool Ping(const std::string& name, const std::string& ping_info); |
| |
| std::string GetWatchdogViolations( |
| const script::Sequence<std::string>& clients = {}); |
| |
| script::Sequence<std::string> GetWatchdogViolationClients(); |
| |
| bool GetPersistentSettingWatchdogEnable(); |
| |
| void SetPersistentSettingWatchdogEnable(bool enable_watchdog); |
| |
| bool GetPersistentSettingWatchdogCrash(); |
| |
| void SetPersistentSettingWatchdogCrash(bool can_trigger_crash); |
| |
| DEFINE_WRAPPABLE_TYPE(H5vccCrashLog); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(H5vccCrashLog); |
| }; |
| |
| } // namespace h5vcc |
| } // namespace cobalt |
| |
| #endif // COBALT_H5VCC_H5VCC_CRASH_LOG_H_ |