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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 "BootAnimationUtil.h"
#include <vector>
#include <inttypes.h>
#include <binder/IServiceManager.h>
#include <cutils/properties.h>
#include <utils/Log.h>
#include <utils/SystemClock.h>
#include <android-base/properties.h>
namespace android {
namespace {
static constexpr char PLAY_SOUND_PROP_NAME[] = "persist.sys.bootanim.play_sound";
static constexpr char BOOT_COMPLETED_PROP_NAME[] = "sys.boot_completed";
static constexpr char POWER_CTL_PROP_NAME[] = "sys.powerctl";
static constexpr char BOOTREASON_PROP_NAME[] = "ro.boot.bootreason";
static const std::vector<std::string> PLAY_SOUND_BOOTREASON_BLACKLIST {
"kernel_panic",
"Panic",
"Watchdog",
};
} // namespace
bool bootAnimationDisabled() {
char value[PROPERTY_VALUE_MAX];
property_get("debug.sf.nobootanimation", value, "0");
if (atoi(value) > 0) {
return true;
}
property_get("ro.boot.quiescent", value, "0");
return atoi(value) > 0;
}
void waitForSurfaceFlinger() {
// TODO: replace this with better waiting logic in future, b/35253872
int64_t waitStartTime = elapsedRealtime();
sp<IServiceManager> sm = defaultServiceManager();
const String16 name("SurfaceFlinger");
const int SERVICE_WAIT_SLEEP_MS = 100;
const int LOG_PER_RETRIES = 10;
int retry = 0;
while (sm->checkService(name) == nullptr) {
retry++;
if ((retry % LOG_PER_RETRIES) == 0) {
ALOGW("Waiting for SurfaceFlinger, waited for %" PRId64 " ms",
elapsedRealtime() - waitStartTime);
}
usleep(SERVICE_WAIT_SLEEP_MS * 1000);
};
int64_t totalWaited = elapsedRealtime() - waitStartTime;
if (totalWaited > SERVICE_WAIT_SLEEP_MS) {
ALOGI("Waiting for SurfaceFlinger took %" PRId64 " ms", totalWaited);
}
}
bool playSoundsAllowed() {
// Only play sounds for system boots, not runtime restarts.
if (android::base::GetBoolProperty(BOOT_COMPLETED_PROP_NAME, false)) {
return false;
}
// no audio while shutting down
if (!android::base::GetProperty(POWER_CTL_PROP_NAME, "").empty()) {
return false;
}
// Read the system property to see if we should play the sound.
// If it's not present, default to allowed.
if (!property_get_bool(PLAY_SOUND_PROP_NAME, 1)) {
return false;
}
// Don't play sounds if this is a reboot due to an error.
char bootreason[PROPERTY_VALUE_MAX];
if (property_get(BOOTREASON_PROP_NAME, bootreason, nullptr) > 0) {
for (const auto& str : PLAY_SOUND_BOOTREASON_BLACKLIST) {
if (strcasecmp(str.c_str(), bootreason) == 0) {
return false;
}
}
}
return true;
}
} // namespace android
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