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/*
* Copyright (C) 2017 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 <cinttypes>
#include "chre/core/event_loop.h"
#include "chre/core/event_loop_manager.h"
#include "chre/platform/assert.h"
#include "chre/platform/log.h"
#include "chre/platform/static_nanoapp_init.h"
#include "chre/util/nanoapp/app_id.h"
#include "chre/util/time.h"
#include "chre_api/chre.h"
/**
* @file
* A nanoapp exclusively for testing, which unloads the spammer nanoapp after a
* short delay. Must only be compiled as a static/internal nanoapp.
*/
namespace chre {
namespace {
constexpr uint32_t kAppVersion = 99;
void handleUnload(uint16_t /* eventType */, void * /* data */) {
EventLoop &eventLoop = EventLoopManagerSingleton::get()->getEventLoop();
uint32_t instanceId;
LOGD("About to unload spammer nanoapp");
if (!eventLoop.findNanoappInstanceIdByAppId(kSpammerAppId, &instanceId)) {
LOGE("Couldn't unload nanoapp: not found");
} else if (!eventLoop.unloadNanoapp(instanceId, true)) {
LOGE("Failed to unload nanoapp");
}
}
bool nanoappStart() {
LOGI("Unload tester started as instance %" PRIu32, chreGetInstanceId());
constexpr uint64_t kTimerDuration = Seconds(2).toRawNanoseconds();
uint32_t timerHandle =
chreTimerSet(kTimerDuration, nullptr, true /* oneShot */);
CHRE_ASSERT_LOG(timerHandle != CHRE_TIMER_INVALID, "Couldn't start timer!");
bool eventSent = chreSendEvent(CHRE_EVENT_FIRST_USER_VALUE, nullptr, nullptr,
chreGetInstanceId());
CHRE_ASSERT_LOG(eventSent, "Couldn't send event to self!");
struct chreNanoappInfo info;
bool gotInfo = chreGetNanoappInfoByInstanceId(chreGetInstanceId(), &info);
CHRE_ASSERT(gotInfo);
CHRE_ASSERT(info.appId == chreGetAppId());
CHRE_ASSERT(info.appId == kUnloadTesterAppId);
CHRE_ASSERT(info.version == kAppVersion);
CHRE_ASSERT(info.instanceId == chreGetInstanceId());
chreConfigureNanoappInfoEvents(true);
return true;
}
void nanoappHandleEvent(uint32_t senderInstanceId, uint16_t eventType,
const void *eventData) {
if (eventType == CHRE_EVENT_FIRST_USER_VALUE &&
senderInstanceId == chreGetInstanceId()) {
struct chreNanoappInfo info;
if (!chreGetNanoappInfoByAppId(kSpammerAppId, &info)) {
LOGW("Couldn't get spammer's app info - not running?");
}
} else if (eventType == CHRE_EVENT_TIMER) {
// We can't do the unload from the context of another nanoapp's handle
// event callback, so get into the system context
EventLoopManagerSingleton::get()->deferCallback(
SystemCallbackType::HandleUnloadNanoapp, nullptr, handleUnload);
} else if (eventType == CHRE_EVENT_NANOAPP_STARTED ||
eventType == CHRE_EVENT_NANOAPP_STOPPED) {
const auto *info = static_cast<const chreNanoappInfo *>(eventData);
if (info->appId == kSpammerAppId) {
LOGD("Received %s event for spammer instance %" PRIu32,
(eventType == CHRE_EVENT_NANOAPP_STARTED) ? "start" : "stop",
info->instanceId);
}
}
}
void nanoappEnd() {}
} // anonymous namespace
} // namespace chre
CHRE_STATIC_NANOAPP_INIT(UnloadTester, chre::kUnloadTesterAppId, kAppVersion);
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