1 /* 2 * Copyright (C) 2020 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 CHRE_CORE_DEBUG_DUMP_MANAGER_H_ 18 #define CHRE_CORE_DEBUG_DUMP_MANAGER_H_ 19 20 #include <cstdarg> 21 #include <cstdbool> 22 #include <cstdint> 23 24 #include "chre/core/nanoapp.h" 25 #include "chre/platform/platform_debug_dump_manager.h" 26 #include "chre/util/optional.h" 27 #include "chre/util/system/debug_dump.h" 28 29 namespace chre { 30 31 /** 32 * A helper class that manages the CHRE framework and nanoapp debug dump 33 * process. 34 */ 35 class DebugDumpManager : public PlatformDebugDumpManager { 36 public: 37 /** 38 * Triggers the CHRE framework and nanoapp debug dump process. 39 */ 40 void trigger(); 41 42 /** 43 * Helper function to log nanoapp debug dump. 44 */ 45 void appendNanoappLog(const Nanoapp &nanoapp, const char *formatStr, 46 va_list args); 47 48 private: 49 //! Utility to hold the framework and nanoapp debug dumps. 50 DebugDumpWrapper mDebugDump{kDebugDumpStrMaxSize}; 51 52 //! Whether the DebugDumpManager is collecting nanoapp debug dumps. 53 bool mCollectingNanoappDebugDumps = false; 54 55 //! Instance ID of the nanoapp that was last logging debug dumps in this 56 //! session. 57 Optional<uint32_t> mLastNanoappId; 58 59 /** 60 * Collect CHRE framework debug dumps. 61 */ 62 void collectFrameworkDebugDumps(); 63 64 /** 65 * Send collected framework debug dumps to the host. 66 */ 67 void sendFrameworkDebugDumps(); 68 69 /** 70 * Send collected nanoapp debug dumps to the host. 71 */ 72 void sendNanoappDebugDumps(); 73 }; 74 75 } // namespace chre 76 77 #endif // CHRE_CORE_DEBUG_DUMP_MANAGER_H_ 78