session-android/libsession/src/main/java/org/session/libsession/messaging/jobs/MessageReceiveJob.kt

93 lines
3.4 KiB
Kotlin

package org.session.libsession.messaging.jobs
import nl.komponents.kovenant.Promise
import nl.komponents.kovenant.deferred
import org.session.libsession.messaging.sending_receiving.MessageReceiver
import org.session.libsession.messaging.sending_receiving.handle
import org.session.libsession.messaging.utilities.Data
import org.session.libsignal.utilities.logging.Log
class MessageReceiveJob(val data: ByteArray, val isBackgroundPoll: Boolean, val openGroupMessageServerID: Long? = null, val openGroupID: String? = null) : Job {
override var delegate: JobDelegate? = null
override var id: String? = null
override var failureCount: Int = 0
override val maxFailureCount: Int = 10
companion object {
val TAG = MessageReceiveJob::class.simpleName
val KEY: String = "MessageReceiveJob"
private val RECEIVE_LOCK = Object()
// Keys used for database storage
private val DATA_KEY = "data"
// FIXME: We probably shouldn't be using this job when background polling
private val IS_BACKGROUND_POLL_KEY = "is_background_poll"
private val OPEN_GROUP_MESSAGE_SERVER_ID_KEY = "openGroupMessageServerID"
private val OPEN_GROUP_ID_KEY = "open_group_id"
}
override fun execute() {
executeAsync().get()
}
fun executeAsync(): Promise<Unit, Exception> {
val deferred = deferred<Unit, Exception>()
try {
val isRetry: Boolean = failureCount != 0
val (message, proto) = MessageReceiver.parse(this.data, this.openGroupMessageServerID, isRetry)
synchronized(RECEIVE_LOCK) { // FIXME: Do we need this?
MessageReceiver.handle(message, proto, this.openGroupID)
}
this.handleSuccess()
deferred.resolve(Unit)
} catch (e: Exception) {
Log.e(TAG, "Couldn't receive message.", e)
if (e is MessageReceiver.Error && !e.isRetryable) {
Log.e("Loki", "Message receive job permanently failed.", e)
this.handlePermanentFailure(e)
} else {
Log.e("Loki", "Couldn't receive message.", e)
this.handleFailure(e)
}
deferred.resolve(Unit) // The promise is just used to keep track of when we're done
}
return deferred.promise
}
private fun handleSuccess() {
delegate?.handleJobSucceeded(this)
}
private fun handlePermanentFailure(e: Exception) {
delegate?.handleJobFailedPermanently(this, e)
}
private fun handleFailure(e: Exception) {
delegate?.handleJobFailed(this, e)
}
override fun serialize(): Data {
val builder = Data.Builder().putByteArray(DATA_KEY, data)
.putBoolean(IS_BACKGROUND_POLL_KEY, isBackgroundPoll)
openGroupMessageServerID?.let { builder.putLong(OPEN_GROUP_MESSAGE_SERVER_ID_KEY, it) }
openGroupID?.let { builder.putString(OPEN_GROUP_ID_KEY, it) }
return builder.build();
}
override fun getFactoryKey(): String {
return KEY
}
class Factory: Job.Factory<MessageReceiveJob> {
override fun create(data: Data): MessageReceiveJob {
return MessageReceiveJob(
data.getByteArray(DATA_KEY),
data.getBoolean(IS_BACKGROUND_POLL_KEY),
data.getLong(OPEN_GROUP_MESSAGE_SERVER_ID_KEY),
data.getString(OPEN_GROUP_ID_KEY)
)
}
}
}