| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include "chre/core/event_loop_manager.h" |
| |
| #include "chre/platform/fatal_error.h" |
| #include "chre/platform/memory.h" |
| #include "chre/util/lock_guard.h" |
| |
| namespace chre { |
| |
| void freeEventDataCallback(uint16_t /*eventType*/, void *eventData) { |
| memoryFree(eventData); |
| } |
| |
| Nanoapp *EventLoopManager::validateChreApiCall(const char *functionName) { |
| chre::Nanoapp *currentNanoapp = EventLoopManagerSingleton::get() |
| ->getEventLoop().getCurrentNanoapp(); |
| CHRE_ASSERT_LOG(currentNanoapp, "%s called with no CHRE app context", |
| functionName); |
| return currentNanoapp; |
| } |
| |
| UniquePtr<char> EventLoopManager::debugDump() { |
| constexpr size_t kDebugStringSize = 4096; |
| char *debugStr = static_cast<char *>(memoryAlloc(kDebugStringSize)); |
| if (debugStr != nullptr) { |
| size_t debugStrPos = 0; |
| if (!mMemoryManager.logStateToBuffer(debugStr, &debugStrPos, |
| kDebugStringSize)) { |
| LOGE("Memory manager debug dump failed."); |
| } else if (!mEventLoop.logStateToBuffer(debugStr, &debugStrPos, |
| kDebugStringSize)) { |
| LOGE("Event loop debug dump failed."); |
| } else if (!mSensorRequestManager.logStateToBuffer(debugStr, &debugStrPos, |
| kDebugStringSize)) { |
| LOGE("Sensor request manager debug dump failed."); |
| } else if (!mGnssManager.logStateToBuffer(debugStr, &debugStrPos, |
| kDebugStringSize)) { |
| LOGE("GNSS manager debug dump failed."); |
| } else if (!mWifiRequestManager.logStateToBuffer(debugStr, &debugStrPos, |
| kDebugStringSize)) { |
| LOGE("Wifi request manager debug dump failed."); |
| } else if (!mWwanRequestManager.logStateToBuffer(debugStr, &debugStrPos, |
| kDebugStringSize)) { |
| LOGE("WWAN request manager debug dump failed."); |
| } |
| LOGD("Debug dump used %zu bytes of log buffer", debugStrPos); |
| } |
| |
| return UniquePtr<char>(debugStr); |
| } |
| |
| uint32_t EventLoopManager::getNextInstanceId() { |
| ++mLastInstanceId; |
| |
| // ~4 billion instance IDs should be enough for anyone... if we need to |
| // support wraparound for stress testing load/unload, then we can set a flag |
| // when wraparound occurs and use EventLoop::findNanoappByInstanceId to ensure |
| // we avoid conflicts |
| if (mLastInstanceId == kBroadcastInstanceId |
| || mLastInstanceId == kSystemInstanceId) { |
| FATAL_ERROR("Exhausted instance IDs!"); |
| } |
| |
| return mLastInstanceId; |
| } |
| |
| void EventLoopManager::lateInit() { |
| mGnssManager.init(); |
| mWifiRequestManager.init(); |
| mWwanRequestManager.init(); |
| |
| #ifdef CHRE_AUDIO_SUPPORT_ENABLED |
| mAudioRequestManager.init(); |
| #endif // CHRE_AUDIO_SUPPORT_ENABLED |
| } |
| |
| // Explicitly instantiate the EventLoopManagerSingleton to reduce codesize. |
| template class Singleton<EventLoopManager>; |
| |
| } // namespace chre |