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/*
* Copyright (C) 2020 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.
*/
package com.android.systemui.dump
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.UserHandle
import android.util.Log
import com.android.systemui.broadcast.BroadcastDispatcher
import com.android.systemui.dagger.qualifiers.Main
import com.android.systemui.util.concurrency.DelayableExecutor
import java.util.concurrent.TimeUnit
import javax.inject.Inject
class LogBufferFreezer constructor(
private val dumpManager: DumpManager,
@Main private val executor: DelayableExecutor,
private val freezeDuration: Long
) {
@Inject constructor(
dumpManager: DumpManager,
@Main executor: DelayableExecutor
) : this(dumpManager, executor, TimeUnit.MINUTES.toMillis(5))
private var pendingToken: Runnable? = null
fun attach(broadcastDispatcher: BroadcastDispatcher) {
broadcastDispatcher.registerReceiver(
object : BroadcastReceiver() {
override fun onReceive(context: Context?, intent: Intent?) {
onBugreportStarted()
}
},
IntentFilter("com.android.internal.intent.action.BUGREPORT_STARTED"),
executor,
UserHandle.ALL)
}
private fun onBugreportStarted() {
pendingToken?.run()
Log.i(TAG, "Freezing log buffers")
dumpManager.freezeBuffers()
pendingToken = executor.executeDelayed({
Log.i(TAG, "Unfreezing log buffers")
pendingToken = null
dumpManager.unfreezeBuffers()
}, freezeDuration)
}
}
private const val TAG = "LogBufferFreezer"
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