/*
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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.h"
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#include "chre/core/event_loop.h"
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#include "chre/core/event_loop_manager.h"
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#include "chre/core/init.h"
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#include "chre/core/nanoapp.h"
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#include "chre/core/static_nanoapps.h"
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#ifdef CHRE_AUDIO_SUPPORT_ENABLED
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#include "chre/platform/platform_audio.h"
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#endif // CHRE_AUDIO_SUPPORT_ENABLED
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#include "chre/platform/context.h"
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#include "chre/platform/fatal_error.h"
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#include "chre/platform/log.h"
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#include "chre/platform/shared/platform_log.h"
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#include "chre/platform/system_timer.h"
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#include "chre/util/time.h"
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#include <csignal>
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#include <tclap/CmdLine.h>
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#include <thread>
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using chre::EventLoopManagerSingleton;
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using chre::Milliseconds;
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//! A description of the simulator.
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constexpr char kSimDescription[] = "A simulation environment for the Context "
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"Hub Runtime Environment (CHRE)";
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//! The version of the simulator. This is not super important but is assigned by
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//! rules of semantic versioning.
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constexpr char kSimVersion[] = "0.1.0";
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namespace {
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extern "C" void signalHandler(int sig) {
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(void) sig;
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LOGI("Stop request received");
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EventLoopManagerSingleton::get()->getEventLoop().stop();
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}
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}
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int main(int argc, char **argv) {
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try {
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// Parse command-line arguments.
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TCLAP::CmdLine cmd(kSimDescription, ' ', kSimVersion);
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TCLAP::SwitchArg noStaticNanoappsArg("", "no_static_nanoapps",
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"disable running static nanoapps", cmd, false);
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TCLAP::MultiArg<std::string> nanoappsArg("", "nanoapp",
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"nanoapp shared object to load and execute", false, "path", cmd);
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#ifdef CHRE_AUDIO_SUPPORT_ENABLED
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TCLAP::ValueArg<std::string> audioFileArg("", "audio_file",
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"WAV file to open for audio simulation", false, "", "path", cmd);
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TCLAP::ValueArg<double> minAudioBufSizeArg("", "min_audio_buf_size",
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"min buffer size for audio simulation", false, 1.0, "seconds", cmd);
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TCLAP::ValueArg<double> maxAudioBufSizeArg("", "max_audio_buf_size",
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"max buffer size for audio simulation", false, 10.0, "seconds", cmd);
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#endif // CHRE_AUDIO_SUPPORT_ENABLED
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cmd.parse(argc, argv);
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// Initialize logging.
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chre::PlatformLogSingleton::init();
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#ifdef CHRE_AUDIO_SUPPORT_ENABLED
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// Initialize audio sources.
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if (!audioFileArg.getValue().empty()) {
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auto audioSource = chre::MakeUnique<chre::AudioSource>(
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audioFileArg.getValue(), minAudioBufSizeArg.getValue(),
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maxAudioBufSizeArg.getValue());
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chre::PlatformAudio::addAudioSource(audioSource);
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}
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// TODO(P1-d24c82): Add another command line argument that takes a json
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// configuration to support multiple sources.
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#endif // CHRE_AUDIO_SUPPORT_ENABLED
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// Initialize the system.
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chre::init();
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// Register a signal handler.
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std::signal(SIGINT, signalHandler);
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// Load any static nanoapps and start the event loop.
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std::thread chreThread([&]() {
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EventLoopManagerSingleton::get()->lateInit();
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// Load static nanoapps unless they are disabled by a command-line flag.
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if (!noStaticNanoappsArg.getValue()) {
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chre::loadStaticNanoapps();
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}
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// Load dynamic nanoapps specified on the command-line.
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chre::DynamicVector<chre::UniquePtr<chre::Nanoapp>> dynamicNanoapps;
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for (const auto& nanoapp : nanoappsArg.getValue()) {
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dynamicNanoapps.push_back(chre::MakeUnique<chre::Nanoapp>());
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dynamicNanoapps.back()->loadFromFile(nanoapp);
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EventLoopManagerSingleton::get()->getEventLoop()
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.startNanoapp(dynamicNanoapps.back());
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}
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EventLoopManagerSingleton::get()->getEventLoop().run();
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});
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chreThread.join();
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chre::deinit();
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chre::PlatformLogSingleton::deinit();
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} catch (TCLAP::ExitException) {}
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return 0;
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}
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