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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.
*/
#define LOG_TAG "IotBootAnimation"
#include <base/files/file_util.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include <cutils/properties.h>
#include <sys/resource.h>
#include <utils/Log.h>
#include <utils/threads.h>
#include <BootAnimation.h>
#include "BootAction.h"
#include "BootAnimationUtil.h"
#include "BootParameters.h"
using namespace android;
// Create a typedef for readability.
typedef android::BootAnimation::Animation Animation;
namespace {
constexpr const char* kDefaultLibName = "libbootaction.so";
class BootActionAnimationCallbacks : public android::BootAnimation::Callbacks {
public:
BootActionAnimationCallbacks(std::unique_ptr<BootParameters> bootParameters)
: mBootParameters(std::move(bootParameters)) {}
void init(const Vector<Animation::Part>&) override {
std::string library_path("/oem/lib/");
// This value is optionally provided by the user and will be written to
// /oem/oem.prop.
char property[PROP_VALUE_MAX] = {0};
property_get("ro.oem.bootactions.lib", property, kDefaultLibName);
library_path += property;
if (!::base::PathExists(::base::FilePath(library_path))) {
ALOGI("Skipping boot actions: %s does not exist", library_path.c_str());
return;
}
mBootAction = new BootAction();
if (!mBootAction->init(library_path, mBootParameters)) {
mBootAction = nullptr;
}
};
void playPart(int partNumber, const Animation::Part&, int playNumber) override {
if (mBootAction != nullptr) {
mBootAction->startPart(partNumber, playNumber);
}
};
void shutdown() override {
if (mBootAction != nullptr) {
// If we have a bootaction we want to wait until we are actually
// told to shut down. If the animation exits early keep the action
// running.
char value[PROPERTY_VALUE_MAX] = {0};
for (int exitRequested = 0; exitRequested == 0; ) {
property_get("service.bootanim.exit", value, "0");
exitRequested = atoi(value);
// Poll value at 10hz.
if (exitRequested == 0) {
usleep(100000);
}
}
mBootAction->shutdown();
// Give it two seconds to shut down.
sleep(2);
mBootAction = nullptr;
}
};
private:
std::unique_ptr<BootParameters> mBootParameters;
sp<BootAction> mBootAction = nullptr;
};
} // namespace
int main() {
setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_DISPLAY);
// Clear our params for next boot no matter what.
std::unique_ptr<BootParameters> bootParameters(new BootParameters());
if (bootAnimationDisabled()) {
ALOGI("boot animation disabled");
return 0;
}
waitForSurfaceFlinger();
sp<ProcessState> proc(ProcessState::self());
ProcessState::self()->startThreadPool();
bool isSilentBoot = bootParameters->isSilentBoot();
sp<BootActionAnimationCallbacks> callbacks =
new BootActionAnimationCallbacks(std::move(bootParameters));
// On silent boot, animations aren't displayed.
if (isSilentBoot) {
callbacks->init({});
} else {
sp<BootAnimation> boot = new BootAnimation(callbacks);
}
IPCThreadState::self()->joinThreadPool();
return 0;
}
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