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/*
* Copyright 2017 - 2022 Anton Tananaev (anton@traccar.org)
* Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.database;
import org.traccar.BaseProtocol;
import org.traccar.ServerManager;
import org.traccar.broadcast.BroadcastInterface;
import org.traccar.broadcast.BroadcastService;
import org.traccar.model.Command;
import org.traccar.model.Device;
import org.traccar.model.Position;
import org.traccar.model.QueuedCommand;
import org.traccar.session.ConnectionManager;
import org.traccar.session.DeviceSession;
import org.traccar.sms.SmsManager;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Order;
import org.traccar.storage.query.Request;
import javax.annotation.Nullable;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.util.Collection;
import java.util.stream.Collectors;
@Singleton
public class CommandsManager implements BroadcastInterface {
private final Storage storage;
private final ServerManager serverManager;
private final SmsManager smsManager;
private final ConnectionManager connectionManager;
private final BroadcastService broadcastService;
@Inject
public CommandsManager(
Storage storage, ServerManager serverManager, @Nullable SmsManager smsManager,
ConnectionManager connectionManager, BroadcastService broadcastService) {
this.storage = storage;
this.serverManager = serverManager;
this.smsManager = smsManager;
this.connectionManager = connectionManager;
this.broadcastService = broadcastService;
broadcastService.registerListener(this);
}
public boolean sendCommand(Command command) throws Exception {
long deviceId = command.getDeviceId();
if (command.getTextChannel()) {
if (smsManager == null) {
throw new RuntimeException("SMS not configured");
}
Device device = storage.getObject(Device.class, new Request(
new Columns.Include("positionId", "phone"), new Condition.Equals("id", deviceId)));
Position position = storage.getObject(Position.class, new Request(
new Columns.All(), new Condition.Equals("id", device.getPositionId())));
if (position != null) {
BaseProtocol protocol = serverManager.getProtocol(position.getProtocol());
protocol.sendTextCommand(device.getPhone(), command);
} else if (command.getType().equals(Command.TYPE_CUSTOM)) {
smsManager.sendMessage(device.getPhone(), command.getString(Command.KEY_DATA), true);
} else {
throw new RuntimeException("Command " + command.getType() + " is not supported");
}
} else {
DeviceSession deviceSession = connectionManager.getDeviceSession(deviceId);
if (deviceSession != null && deviceSession.supportsLiveCommands()) {
deviceSession.sendCommand(command);
} else {
storage.addObject(QueuedCommand.fromCommand(command), new Request(new Columns.Exclude("id")));
broadcastService.updateCommand(true, deviceId);
return false;
}
}
return true;
}
public Collection<Command> readQueuedCommands(long deviceId) {
return readQueuedCommands(deviceId, Integer.MAX_VALUE);
}
public Collection<Command> readQueuedCommands(long deviceId, int count) {
try {
var commands = storage.getObjects(QueuedCommand.class, new Request(
new Columns.All(),
new Condition.Equals("deviceId", deviceId),
new Order("id", false, count)));
for (var command : commands) {
storage.removeObject(QueuedCommand.class, new Request(
new Condition.Equals("id", command.getId())));
}
return commands.stream().map(QueuedCommand::toCommand).collect(Collectors.toList());
} catch (StorageException e) {
throw new RuntimeException(e);
}
}
@Override
public void updateCommand(boolean local, long deviceId) {
if (!local) {
DeviceSession deviceSession = connectionManager.getDeviceSession(deviceId);
if (deviceSession != null && deviceSession.supportsLiveCommands()) {
for (Command command : readQueuedCommands(deviceId)) {
deviceSession.sendCommand(command);
}
}
}
}
}
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