/**
* Copyright (C) 2014 Open WhisperSystems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whispersystems.textsecuregcm.push;
import com.codahale.metrics.Meter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.SharedMetricRegistries;
import com.google.protobuf.ByteString;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.whispersystems.textsecuregcm.storage.Account;
import org.whispersystems.textsecuregcm.storage.Device;
import org.whispersystems.textsecuregcm.storage.MessagesManager;
import org.whispersystems.textsecuregcm.storage.PubSubManager;
import org.whispersystems.textsecuregcm.util.Constants;
import org.whispersystems.textsecuregcm.websocket.ProvisioningAddress;
import org.whispersystems.textsecuregcm.websocket.WebsocketAddress;
import static com.codahale.metrics.MetricRegistry.name;
import static org.whispersystems.textsecuregcm.entities.MessageProtos.OutgoingMessageSignal;
import static org.whispersystems.textsecuregcm.storage.PubSubProtos.PubSubMessage;
public class WebsocketSender {
private static final Logger logger = LoggerFactory.getLogger(WebsocketSender.class);
private final MetricRegistry metricRegistry = SharedMetricRegistries.getOrCreate(Constants.METRICS_NAME);
private final Meter websocketOnlineMeter = metricRegistry.meter(name(getClass(), "ws_online" ));
private final Meter websocketOfflineMeter = metricRegistry.meter(name(getClass(), "ws_offline" ));
private final Meter apnOnlineMeter = metricRegistry.meter(name(getClass(), "apn_online" ));
private final Meter apnOfflineMeter = metricRegistry.meter(name(getClass(), "apn_offline"));
private final Meter provisioningOnlineMeter = metricRegistry.meter(name(getClass(), "provisioning_online" ));
private final Meter provisioningOfflineMeter = metricRegistry.meter(name(getClass(), "provisioning_offline"));
private final MessagesManager messagesManager;
private final PubSubManager pubSubManager;
public WebsocketSender(MessagesManager messagesManager, PubSubManager pubSubManager) {
this.messagesManager = messagesManager;
this.pubSubManager = pubSubManager;
}
public DeliveryStatus sendMessage(Account account, Device device, OutgoingMessageSignal message, boolean apn) {
WebsocketAddress address = new WebsocketAddress(account.getNumber(), device.getId());
PubSubMessage pubSubMessage = PubSubMessage.newBuilder()
.setType(PubSubMessage.Type.DELIVER)
.setContent(message.toByteString())
.build();
if (pubSubManager.publish(address, pubSubMessage)) {
if (apn) apnOnlineMeter.mark();
else websocketOnlineMeter.mark();
return new DeliveryStatus(true, 0);
} else {
if (apn) apnOfflineMeter.mark();
else websocketOfflineMeter.mark();
int queueDepth = messagesManager.insert(account.getNumber(), device.getId(), message);
pubSubManager.publish(address, PubSubMessage.newBuilder()
.setType(PubSubMessage.Type.QUERY_DB)
.build());
return new DeliveryStatus(false, queueDepth);
}
}
public boolean sendProvisioningMessage(ProvisioningAddress address, byte[] body) {
PubSubMessage pubSubMessage = PubSubMessage.newBuilder()
.setType(PubSubMessage.Type.DELIVER)
.setContent(ByteString.copyFrom(body))
.build();
if (pubSubManager.publish(address, pubSubMessage)) {
provisioningOnlineMeter.mark();
return true;
} else {
provisioningOfflineMeter.mark();
return false;
}
}
public static class DeliveryStatus {
private final boolean delivered;
private final int messageQueueDepth;
public DeliveryStatus(boolean delivered, int messageQueueDepth) {
this.delivered = delivered;
this.messageQueueDepth = messageQueueDepth;
}
public boolean isDelivered() {
return delivered;
}
public int getMessageQueueDepth() {
return messageQueueDepth;
}
}
}