kopia lustrzana https://github.com/ryukoposting/Signal-Android
103 wiersze
3.6 KiB
Java
103 wiersze
3.6 KiB
Java
package org.thoughtcrime.securesms.jobs;
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import androidx.annotation.NonNull;
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import org.greenrobot.eventbus.EventBus;
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import org.signal.core.util.logging.Log;
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import org.thoughtcrime.securesms.BuildConfig;
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import org.thoughtcrime.securesms.events.ReminderUpdateEvent;
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import org.thoughtcrime.securesms.jobmanager.Data;
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import org.thoughtcrime.securesms.jobmanager.Job;
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import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint;
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import org.thoughtcrime.securesms.transport.RetryLaterException;
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import org.thoughtcrime.securesms.util.TextSecurePreferences;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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public class ServiceOutageDetectionJob extends BaseJob {
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public static final String KEY = "ServiceOutageDetectionJob";
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private static final String TAG = Log.tag(ServiceOutageDetectionJob.class);
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private static final String IP_SUCCESS = "127.0.0.1";
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private static final String IP_FAILURE = "127.0.0.2";
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private static final long CHECK_TIME = 1000 * 60;
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public ServiceOutageDetectionJob() {
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this(new Job.Parameters.Builder()
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.setQueue("ServiceOutageDetectionJob")
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.addConstraint(NetworkConstraint.KEY)
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.setMaxAttempts(5)
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.setMaxInstancesForFactory(1)
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.build());
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}
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private ServiceOutageDetectionJob(@NonNull Job.Parameters parameters) {
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super(parameters);
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}
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@Override
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public @NonNull Data serialize() {
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return Data.EMPTY;
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}
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@Override
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public @NonNull String getFactoryKey() {
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return KEY;
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}
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@Override
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public void onRun() throws RetryLaterException {
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Log.i(TAG, "onRun()");
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long timeSinceLastCheck = System.currentTimeMillis() - TextSecurePreferences.getLastOutageCheckTime(context);
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if (timeSinceLastCheck < CHECK_TIME) {
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Log.w(TAG, "Skipping service outage check. Too soon.");
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return;
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}
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try {
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InetAddress address = InetAddress.getByName(BuildConfig.SIGNAL_SERVICE_STATUS_URL);
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Log.i(TAG, "Received outage check address: " + address.getHostAddress());
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if (IP_SUCCESS.equals(address.getHostAddress())) {
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Log.i(TAG, "Service is available.");
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TextSecurePreferences.setServiceOutage(context, false);
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} else if (IP_FAILURE.equals(address.getHostAddress())) {
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Log.w(TAG, "Service is down.");
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TextSecurePreferences.setServiceOutage(context, true);
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} else {
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Log.w(TAG, "Service status check returned an unrecognized IP address. Could be a weird network state. Prompting retry.");
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throw new RetryLaterException(new Exception("Unrecognized service outage IP address."));
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}
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TextSecurePreferences.setLastOutageCheckTime(context, System.currentTimeMillis());
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EventBus.getDefault().post(new ReminderUpdateEvent());
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} catch (UnknownHostException e) {
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throw new RetryLaterException(e);
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}
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}
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@Override
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public boolean onShouldRetry(@NonNull Exception e) {
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return e instanceof RetryLaterException;
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}
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@Override
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public void onFailure() {
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Log.i(TAG, "Service status check could not complete. Assuming success to avoid false positives due to bad network.");
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TextSecurePreferences.setServiceOutage(context, false);
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TextSecurePreferences.setLastOutageCheckTime(context, System.currentTimeMillis());
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EventBus.getDefault().post(new ReminderUpdateEvent());
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}
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public static final class Factory implements Job.Factory<ServiceOutageDetectionJob> {
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@Override
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public @NonNull ServiceOutageDetectionJob create(@NonNull Parameters parameters, @NonNull Data data) {
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return new ServiceOutageDetectionJob(parameters);
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}
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}
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}
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