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https://github.com/oxen-io/session-android.git
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WIP: refactor jobs (basic)
This commit is contained in:
Ryan ZHAO
parent
da71fdfe44
commit
bfb16c581a
@ -1,4 +1,17 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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class AttachmentDownloadJob: Job {
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override var delegate: JobDelegate? = null
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override var id: String? = null
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override var failureCount: Int = 0
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// Settings
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override val maxFailureCount: Int = 100
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companion object {
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val collection: String = "AttachmentDownloadJobCollection"
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}
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override fun execute() {
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TODO("Not yet implemented")
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}
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}
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@ -1,4 +1,17 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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class AttachmentUploadJob : Job {
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override var delegate: JobDelegate? = null
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override var id: String? = null
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override var failureCount: Int = 0
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// Settings
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override val maxFailureCount: Int = 20
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companion object {
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val collection: String = "AttachmentUploadJobCollection"
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}
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override fun execute() {
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TODO("Not yet implemented")
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}
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}
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@ -1,4 +1,11 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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interface Job {
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var delegate: JobDelegate?
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var id: String?
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var failureCount: Int
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val maxFailureCount: Int
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fun execute()
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}
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@ -1,4 +1,7 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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interface JobDelegate {
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fun handleJobSucceeded(job: Job)
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fun handleJobFailed(job: Job, error: Exception)
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fun handleJobFailedPermanently(job: Job, error: Exception)
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}
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@ -1,4 +1,89 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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import kotlin.math.min
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import kotlin.math.pow
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import java.util.Timer
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import org.session.libsession.messaging.Configuration
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import org.session.libsignal.libsignal.logging.Log
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import kotlin.concurrent.schedule
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import kotlin.math.roundToLong
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class JobQueue : JobDelegate {
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private var hasResumedPendingJobs = false // Just for debugging
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companion object {
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val shared: JobQueue by lazy { JobQueue() }
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}
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fun add(job: Job) {
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addWithoutExecuting(job)
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job.execute()
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}
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fun addWithoutExecuting(job: Job) {
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job.id = System.currentTimeMillis().toString()
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Configuration.shared.storage.persist(job)
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job.delegate = this
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}
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fun resumePendingJobs() {
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if (hasResumedPendingJobs) {
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Log.d("Loki", "resumePendingJobs() should only be called once.")
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return
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}
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hasResumedPendingJobs = true
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val allJobTypes = listOf(AttachmentDownloadJob.collection, AttachmentDownloadJob.collection, MessageReceiveJob.collection, MessageSendJob.collection, NotifyPNServerJob.collection)
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allJobTypes.forEach { type ->
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val allPendingJobs = Configuration.shared.storage.getAllPendingJobs(type)
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allPendingJobs.sortedBy { it.id }.forEach { job ->
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Log.i("Jobs", "Resuming pending job of type: ${job::class.simpleName}.")
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job.delegate = this
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job.execute()
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}
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}
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}
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override fun handleJobSucceeded(job: Job) {
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Configuration.shared.storage.markJobAsSucceeded(job)
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}
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override fun handleJobFailed(job: Job, error: Exception) {
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job.failureCount += 1
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val storage = Configuration.shared.storage
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if (storage.isJobCanceled(job)) { return Log.i("Jobs", "${job::class.simpleName} canceled.")}
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storage.persist(job)
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if (job.failureCount == job.maxFailureCount) {
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storage.markJobAsFailed(job)
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} else {
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val retryInterval = getRetryInterval(job)
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Log.i("Jobs", "${job::class.simpleName} failed; scheduling retry (failure count is ${job.failureCount}).")
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Timer().schedule(delay = retryInterval) {
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Log.i("Jobs", "Retrying ${job::class.simpleName}.")
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job.execute()
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}
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}
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}
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override fun handleJobFailedPermanently(job: Job, error: Exception) {
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job.failureCount += 1
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val storage = Configuration.shared.storage
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storage.persist(job)
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storage.markJobAsFailed(job)
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}
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private fun getRetryInterval(job: Job): Long {
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// Arbitrary backoff factor...
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// try 1 delay: 0ms
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// try 2 delay: 190ms
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// ...
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// try 5 delay: 1300ms
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// ...
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// try 11 delay: 61310ms
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val backoffFactor = 1.9
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val maxBackoff = (60 * 60 * 1000).toDouble()
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return (100 * min(maxBackoff, backoffFactor.pow(job.failureCount))).roundToLong()
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}
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}
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@ -1,4 +1,17 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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class MessageReceiveJob : Job {
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override var delegate: JobDelegate? = null
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override var id: String? = null
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override var failureCount: Int = 0
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// Settings
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override val maxFailureCount: Int = 10
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companion object {
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val collection: String = "MessageReceiveJobCollection"
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}
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override fun execute() {
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TODO("Not yet implemented")
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}
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}
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@ -1,4 +1,17 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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class MessageSendJob : Job {
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override var delegate: JobDelegate? = null
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override var id: String? = null
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override var failureCount: Int = 0
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// Settings
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override val maxFailureCount: Int = 10
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companion object {
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val collection: String = "MessageSendJobCollection"
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}
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override fun execute() {
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TODO("Not yet implemented")
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}
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}
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@ -1,4 +1,57 @@
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package org.session.messaging.jobs
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package org.session.libsession.messaging.jobs
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class NotifyPNServerJob : Job {
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import nl.komponents.kovenant.functional.map
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import okhttp3.MediaType
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import okhttp3.Request
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import okhttp3.RequestBody
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import org.session.libsession.messaging.sending_receiving.notifications.PushNotificationAPI
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import org.session.libsession.snode.SnodeMessage
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import org.session.libsession.snode.OnionRequestAPI
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import org.session.libsignal.libsignal.logging.Log
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import org.session.libsignal.service.internal.util.JsonUtil
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import org.session.libsignal.service.loki.utilities.retryIfNeeded
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class NotifyPNServerJob(val message: SnodeMessage) : Job {
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override var delegate: JobDelegate? = null
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override var id: String? = null
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override var failureCount: Int = 0
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// Settings
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override val maxFailureCount: Int = 20
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companion object {
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val collection: String = "NotifyPNServerJobCollection"
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}
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// Running
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override fun execute() {
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val server = PushNotificationAPI.server
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val parameters = mapOf( "data" to message.data, "send_to" to message.recipient )
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val url = "${server}/notify"
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val body = RequestBody.create(MediaType.get("application/json"), JsonUtil.toJson(parameters))
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val request = Request.Builder().url(url).post(body)
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retryIfNeeded(4) {
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OnionRequestAPI.sendOnionRequest(request.build(), server, PushNotificationAPI.serverPublicKey, "/loki/v2/lsrpc").map { json ->
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val code = json["code"] as? Int
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if (code == null || code == 0) {
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Log.d("Loki", "[Loki] Couldn't notify PN server due to error: ${json["message"] as? String ?: "null"}.")
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}
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}.fail { exception ->
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Log.d("Loki", "[Loki] Couldn't notify PN server due to error: $exception.")
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}
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}.success {
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handleSuccess()
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}. fail {
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handleFailure(it)
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}
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}
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private fun handleSuccess() {
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delegate?.handleJobSucceeded(this)
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}
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private fun handleFailure(error: Exception) {
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delegate?.handleJobFailed(this, error)
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}
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}
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