com.adjust.sdk.PackageHandler Maven / Gradle / Ivy
//
// PackageHandler.java
// Adjust
//
// Created by Christian Wellenbrock on 2013-06-25.
// Copyright (c) 2013 adjust GmbH. All rights reserved.
// See the file MIT-LICENSE for copying permission.
//
package com.adjust.sdk;
import android.content.Context;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
// persistent
public class PackageHandler extends HandlerThread implements IPackageHandler {
private static final String PACKAGE_QUEUE_FILENAME = "AdjustIoPackageQueue";
private static final String PACKAGE_QUEUE_NAME = "Package queue";
private final InternalHandler internalHandler;
private IRequestHandler requestHandler;
private IActivityHandler activityHandler;
private List packageQueue;
private AtomicBoolean isSending;
private boolean paused;
private Context context;
private ILogger logger;
public PackageHandler(IActivityHandler activityHandler,
Context context,
boolean startPaused) {
super(Constants.LOGTAG, MIN_PRIORITY);
setDaemon(true);
start();
this.internalHandler = new InternalHandler(getLooper(), this);
this.logger = AdjustFactory.getLogger();
init(activityHandler, context, startPaused);
Message message = Message.obtain();
message.arg1 = InternalHandler.INIT;
internalHandler.sendMessage(message);
}
@Override
public void init(IActivityHandler activityHandler, Context context, boolean startPaused) {
this.activityHandler = activityHandler;
this.context = context;
this.paused = startPaused;
}
// add a package to the queue
@Override
public void addPackage(ActivityPackage pack) {
Message message = Message.obtain();
message.arg1 = InternalHandler.ADD;
message.obj = pack;
internalHandler.sendMessage(message);
}
// try to send the oldest package
@Override
public void sendFirstPackage() {
Message message = Message.obtain();
message.arg1 = InternalHandler.SEND_FIRST;
internalHandler.sendMessage(message);
}
// remove oldest package and try to send the next one
// (after success or possibly permanent failure)
@Override
public void sendNextPackage(ResponseData responseData) {
Message message = Message.obtain();
message.arg1 = InternalHandler.SEND_NEXT;
internalHandler.sendMessage(message);
activityHandler.finishedTrackingActivity(responseData);
}
// close the package to retry in the future (after temporary failure)
@Override
public void closeFirstPackage(ResponseData responseData) {
isSending.set(false);
responseData.willRetry = true;
activityHandler.finishedTrackingActivity(responseData);
}
// interrupt the sending loop after the current request has finished
@Override
public void pauseSending() {
paused = true;
}
// allow sending requests again
@Override
public void resumeSending() {
paused = false;
}
private static final class InternalHandler extends Handler {
private static final int INIT = 1;
private static final int ADD = 2;
private static final int SEND_NEXT = 3;
private static final int SEND_FIRST = 4;
private final WeakReference packageHandlerReference;
protected InternalHandler(Looper looper, PackageHandler packageHandler) {
super(looper);
this.packageHandlerReference = new WeakReference(packageHandler);
}
@Override
public void handleMessage(Message message) {
super.handleMessage(message);
PackageHandler packageHandler = packageHandlerReference.get();
if (packageHandler == null) {
return;
}
switch (message.arg1) {
case INIT:
packageHandler.initInternal();
break;
case ADD:
ActivityPackage activityPackage = (ActivityPackage) message.obj;
packageHandler.addInternal(activityPackage);
break;
case SEND_FIRST:
packageHandler.sendFirstInternal();
break;
case SEND_NEXT:
packageHandler.sendNextInternal();
break;
}
}
}
// internal methods run in dedicated queue thread
private void initInternal() {
requestHandler = AdjustFactory.getRequestHandler(this);
isSending = new AtomicBoolean();
readPackageQueue();
}
private void addInternal(ActivityPackage newPackage) {
if (newPackage.getActivityKind().equals(ActivityKind.CLICK) && !packageQueue.isEmpty()) {
packageQueue.add(1, newPackage);
} else {
packageQueue.add(newPackage);
}
logger.debug("Added package %d (%s)", packageQueue.size(), newPackage);
logger.verbose("%s", newPackage.getExtendedString());
writePackageQueue();
}
private void sendFirstInternal() {
if (packageQueue.isEmpty()) {
return;
}
if (paused) {
logger.debug("Package handler is paused");
return;
}
if (isSending.getAndSet(true)) {
logger.verbose("Package handler is already sending");
return;
}
ActivityPackage firstPackage = packageQueue.get(0);
requestHandler.sendPackage(firstPackage);
}
private void sendNextInternal() {
packageQueue.remove(0);
writePackageQueue();
isSending.set(false);
sendFirstInternal();
}
private void readPackageQueue() {
try {
packageQueue = Util.readObject(context, PACKAGE_QUEUE_FILENAME, PACKAGE_QUEUE_NAME, (Class>)((Class)List.class));
} catch (Exception e) {
logger.error("Failed to read %s file (%s)", PACKAGE_QUEUE_NAME, e.getMessage());
packageQueue = null;
}
if (packageQueue != null) {
logger.debug("Package handler read %d packages", packageQueue.size());
} else {
packageQueue = new ArrayList();
}
}
private void writePackageQueue() {
Util.writeObject(packageQueue, context, PACKAGE_QUEUE_FILENAME, PACKAGE_QUEUE_NAME);
logger.debug("Package handler wrote %d packages", packageQueue.size());
}
public static Boolean deletePackageQueue(Context context) {
return context.deleteFile(PACKAGE_QUEUE_FILENAME);
}
}