/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "chre/core/event_loop_manager.h"
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#include "chre/platform/fatal_error.h"
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#include "chre/platform/memory.h"
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#include "chre/util/lock_guard.h"
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namespace chre {
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void freeEventDataCallback(uint16_t /*eventType*/, void *eventData) {
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memoryFree(eventData);
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}
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Nanoapp *EventLoopManager::validateChreApiCall(const char *functionName) {
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chre::Nanoapp *currentNanoapp = EventLoopManagerSingleton::get()
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->getEventLoop().getCurrentNanoapp();
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CHRE_ASSERT_LOG(currentNanoapp, "%s called with no CHRE app context",
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functionName);
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return currentNanoapp;
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}
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UniquePtr<char> EventLoopManager::debugDump() {
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constexpr size_t kDebugStringSize = 4096;
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char *debugStr = static_cast<char *>(memoryAlloc(kDebugStringSize));
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if (debugStr == nullptr) {
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LOG_OOM();
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} else {
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size_t debugStrPos = 0;
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mMemoryManager.logStateToBuffer(debugStr, &debugStrPos, kDebugStringSize);
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mEventLoop.logStateToBuffer(debugStr, &debugStrPos, kDebugStringSize);
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mSensorRequestManager.logStateToBuffer(debugStr, &debugStrPos,
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kDebugStringSize);
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#ifdef CHRE_GNSS_SUPPORT_ENABLED
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mGnssManager.logStateToBuffer(debugStr, &debugStrPos, kDebugStringSize);
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#endif // CHRE_GNSS_SUPPORT_ENABLED
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#ifdef CHRE_WIFI_SUPPORT_ENABLED
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mWifiRequestManager.logStateToBuffer(debugStr, &debugStrPos,
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kDebugStringSize);
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#endif // CHRE_WIFI_SUPPORT_ENABLED
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#ifdef CHRE_WWAN_SUPPORT_ENABLED
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mWwanRequestManager.logStateToBuffer(debugStr, &debugStrPos,
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kDebugStringSize);
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#endif // CHRE_WWAN_SUPPORT_ENABLED
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#ifdef CHRE_AUDIO_SUPPORT_ENABLED
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mAudioRequestManager.logStateToBuffer(debugStr, &debugStrPos,
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kDebugStringSize);
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#endif // CHRE_AUDIO_SUPPORT_ENABLED
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LOGD("Debug dump used %zu bytes of log buffer", debugStrPos);
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}
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return UniquePtr<char>(debugStr);
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}
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uint32_t EventLoopManager::getNextInstanceId() {
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++mLastInstanceId;
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// ~4 billion instance IDs should be enough for anyone... if we need to
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// support wraparound for stress testing load/unload, then we can set a flag
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// when wraparound occurs and use EventLoop::findNanoappByInstanceId to ensure
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// we avoid conflicts
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if (mLastInstanceId == kBroadcastInstanceId
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|| mLastInstanceId == kSystemInstanceId) {
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FATAL_ERROR("Exhausted instance IDs!");
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}
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return mLastInstanceId;
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}
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void EventLoopManager::lateInit() {
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#ifdef CHRE_GNSS_SUPPORT_ENABLED
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mGnssManager.init();
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#endif // CHRE_GNSS_SUPPORT_ENABLED
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#ifdef CHRE_WIFI_SUPPORT_ENABLED
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mWifiRequestManager.init();
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#endif // CHRE_WIFI_SUPPORT_ENABLED
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#ifdef CHRE_WWAN_SUPPORT_ENABLED
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mWwanRequestManager.init();
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#endif // CHRE_WWAN_SUPPORT_ENABLED
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#ifdef CHRE_AUDIO_SUPPORT_ENABLED
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mAudioRequestManager.init();
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#endif // CHRE_AUDIO_SUPPORT_ENABLED
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}
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// Explicitly instantiate the EventLoopManagerSingleton to reduce codesize.
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template class Singleton<EventLoopManager>;
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} // namespace chre
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