forked from GitHub-Mirror/riotX-android
180 lines
6.7 KiB
Kotlin
180 lines
6.7 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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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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package im.vector.matrix.android.internal.session.sync.job
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.MutableLiveData
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import com.squareup.moshi.JsonEncodingException
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import im.vector.matrix.android.api.MatrixCallback
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import im.vector.matrix.android.api.failure.Failure
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import im.vector.matrix.android.api.failure.MatrixError
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import im.vector.matrix.android.api.session.sync.SyncState
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import im.vector.matrix.android.api.util.Cancelable
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import im.vector.matrix.android.internal.network.NetworkConnectivityChecker
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import im.vector.matrix.android.internal.session.sync.SyncTask
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import im.vector.matrix.android.internal.task.TaskExecutor
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import im.vector.matrix.android.internal.task.TaskThread
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import im.vector.matrix.android.internal.task.configureWith
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import im.vector.matrix.android.internal.util.BackgroundDetectionObserver
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import timber.log.Timber
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import java.net.SocketTimeoutException
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import java.util.concurrent.CountDownLatch
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import javax.inject.Inject
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private const val RETRY_WAIT_TIME_MS = 10_000L
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private const val DEFAULT_LONG_POOL_TIMEOUT = 30_000L
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private const val DEFAULT_LONG_POOL_DELAY = 0L
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internal class SyncThread @Inject constructor(private val syncTask: SyncTask,
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private val networkConnectivityChecker: NetworkConnectivityChecker,
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private val backgroundDetectionObserver: BackgroundDetectionObserver,
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private val taskExecutor: TaskExecutor
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) : Thread(), NetworkConnectivityChecker.Listener, BackgroundDetectionObserver.Listener {
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private var state: SyncState = SyncState.IDLE
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private var liveState = MutableLiveData<SyncState>()
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private val lock = Object()
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private var cancelableTask: Cancelable? = null
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init {
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updateStateTo(SyncState.IDLE)
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}
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fun setInitialForeground(initialForeground: Boolean) {
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val newState = if (initialForeground) SyncState.IDLE else SyncState.PAUSED
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updateStateTo(newState)
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}
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fun restart() = synchronized(lock) {
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if (state is SyncState.PAUSED) {
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Timber.v("Resume sync...")
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updateStateTo(SyncState.RUNNING(catchingUp = true))
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lock.notify()
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}
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}
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fun pause() = synchronized(lock) {
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if (state is SyncState.RUNNING) {
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Timber.v("Pause sync...")
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updateStateTo(SyncState.PAUSED)
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}
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}
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fun kill() = synchronized(lock) {
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Timber.v("Kill sync...")
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updateStateTo(SyncState.KILLING)
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cancelableTask?.cancel()
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lock.notify()
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}
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fun liveState(): LiveData<SyncState> {
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return liveState
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}
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override fun run() {
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Timber.v("Start syncing...")
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networkConnectivityChecker.register(this)
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backgroundDetectionObserver.register(this)
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while (state != SyncState.KILLING) {
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if (!networkConnectivityChecker.isConnected() || state == SyncState.PAUSED) {
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Timber.v("Sync is Paused. Waiting...")
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synchronized(lock) {
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lock.wait()
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}
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} else {
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if (state !is SyncState.RUNNING) {
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updateStateTo(SyncState.RUNNING(catchingUp = true))
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}
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Timber.v("[$this] Execute sync request with timeout $DEFAULT_LONG_POOL_TIMEOUT")
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val latch = CountDownLatch(1)
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val params = SyncTask.Params(DEFAULT_LONG_POOL_TIMEOUT)
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cancelableTask = syncTask.configureWith(params)
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.callbackOn(TaskThread.SYNC)
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.executeOn(TaskThread.SYNC)
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.dispatchTo(object : MatrixCallback<Unit> {
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override fun onSuccess(data: Unit) {
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latch.countDown()
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}
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override fun onFailure(failure: Throwable) {
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if (failure is Failure.NetworkConnection
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&& failure.cause is SocketTimeoutException) {
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// Timeout are not critical
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Timber.v("Timeout")
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} else {
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Timber.e(failure)
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}
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if (failure !is Failure.NetworkConnection
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|| failure.cause is JsonEncodingException) {
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// Wait 10s before retrying
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sleep(RETRY_WAIT_TIME_MS)
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}
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if (failure is Failure.ServerError
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&& (failure.error.code == MatrixError.UNKNOWN_TOKEN || failure.error.code == MatrixError.MISSING_TOKEN)) {
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// No token or invalid token, stop the thread
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updateStateTo(SyncState.KILLING)
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}
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latch.countDown()
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}
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})
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.executeBy(taskExecutor)
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latch.await()
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if (state is SyncState.RUNNING) {
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updateStateTo(SyncState.RUNNING(catchingUp = false))
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}
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Timber.v("Waiting for $DEFAULT_LONG_POOL_DELAY delay before new pool...")
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if (DEFAULT_LONG_POOL_DELAY > 0) sleep(DEFAULT_LONG_POOL_DELAY)
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Timber.v("...Continue")
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}
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}
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Timber.v("Sync killed")
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updateStateTo(SyncState.KILLED)
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backgroundDetectionObserver.unregister(this)
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networkConnectivityChecker.unregister(this)
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}
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private fun updateStateTo(newState: SyncState) {
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Timber.v("Update state to $newState")
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state = newState
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liveState.postValue(newState)
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}
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override fun onConnect() {
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synchronized(lock) {
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lock.notify()
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}
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}
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override fun onMoveToForeground() {
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restart()
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}
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override fun onMoveToBackground() {
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pause()
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}
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}
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