diff options
Diffstat (limited to 'src/org/traccar/protocol/ApelProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/ApelProtocolDecoder.java | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/src/org/traccar/protocol/ApelProtocolDecoder.java b/src/org/traccar/protocol/ApelProtocolDecoder.java deleted file mode 100644 index 6e16e02be..000000000 --- a/src/org/traccar/protocol/ApelProtocolDecoder.java +++ /dev/null @@ -1,210 +0,0 @@ -/* - * Copyright 2013 - 2014 Anton Tananaev (anton@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.protocol; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.buffer.ChannelBuffers; -import org.jboss.netty.channel.Channel; -import org.traccar.BaseProtocolDecoder; -import org.traccar.DeviceSession; -import org.traccar.helper.Checksum; -import org.traccar.helper.UnitsConverter; -import org.traccar.model.Position; - -import java.net.SocketAddress; -import java.nio.ByteOrder; -import java.nio.charset.StandardCharsets; -import java.util.Date; -import java.util.LinkedList; -import java.util.List; - -public class ApelProtocolDecoder extends BaseProtocolDecoder { - - private long lastIndex; - private long newIndex; - - public ApelProtocolDecoder(ApelProtocol protocol) { - super(protocol); - } - - public static final short MSG_NULL = 0; - public static final short MSG_REQUEST_TRACKER_ID = 10; - public static final short MSG_TRACKER_ID = 11; - public static final short MSG_TRACKER_ID_EXT = 12; - public static final short MSG_DISCONNECT = 20; - public static final short MSG_REQUEST_PASSWORD = 30; - public static final short MSG_PASSWORD = 31; - public static final short MSG_REQUEST_STATE_FULL_INFO = 90; - public static final short MSG_STATE_FULL_INFO_T104 = 92; - public static final short MSG_REQUEST_CURRENT_GPS_DATA = 100; - public static final short MSG_CURRENT_GPS_DATA = 101; - public static final short MSG_REQUEST_SENSORS_STATE = 110; - public static final short MSG_SENSORS_STATE = 111; - public static final short MSG_SENSORS_STATE_T100 = 112; - public static final short MSG_SENSORS_STATE_T100_4 = 113; - public static final short MSG_REQUEST_LAST_LOG_INDEX = 120; - public static final short MSG_LAST_LOG_INDEX = 121; - public static final short MSG_REQUEST_LOG_RECORDS = 130; - public static final short MSG_LOG_RECORDS = 131; - public static final short MSG_EVENT = 141; - public static final short MSG_TEXT = 150; - public static final short MSG_ACK_ALARM = 160; - public static final short MSG_SET_TRACKER_MODE = 170; - public static final short MSG_GPRS_COMMAND = 180; - - private void sendSimpleMessage(Channel channel, short type) { - ChannelBuffer request = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 8); - request.writeShort(type); - request.writeShort(0); - request.writeInt(Checksum.crc32(request.toByteBuffer(0, 4))); - channel.write(request); - } - - private void requestArchive(Channel channel) { - if (lastIndex == 0) { - lastIndex = newIndex; - } else if (newIndex > lastIndex) { - ChannelBuffer request = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 14); - request.writeShort(MSG_REQUEST_LOG_RECORDS); - request.writeShort(6); - request.writeInt((int) lastIndex); - request.writeShort(512); - request.writeInt(Checksum.crc32(request.toByteBuffer(0, 10))); - channel.write(request); - } - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ChannelBuffer buf = (ChannelBuffer) msg; - int type = buf.readUnsignedShort(); - boolean alarm = (type & 0x8000) != 0; - type = type & 0x7FFF; - buf.readUnsignedShort(); // length - - if (alarm) { - sendSimpleMessage(channel, MSG_ACK_ALARM); - } - - if (type == MSG_TRACKER_ID) { - return null; // unsupported authentication type - } - - if (type == MSG_TRACKER_ID_EXT) { - - buf.readUnsignedInt(); // id - int length = buf.readUnsignedShort(); - buf.skipBytes(length); - length = buf.readUnsignedShort(); - getDeviceSession(channel, remoteAddress, buf.readBytes(length).toString(StandardCharsets.US_ASCII)); - - } else if (type == MSG_LAST_LOG_INDEX) { - - long index = buf.readUnsignedInt(); - if (index > 0) { - newIndex = index; - requestArchive(channel); - } - - } else if (type == MSG_CURRENT_GPS_DATA || type == MSG_STATE_FULL_INFO_T104 || type == MSG_LOG_RECORDS) { - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); - if (deviceSession == null) { - return null; - } - - List<Position> positions = new LinkedList<>(); - - int recordCount = 1; - if (type == MSG_LOG_RECORDS) { - recordCount = buf.readUnsignedShort(); - } - - for (int j = 0; j < recordCount; j++) { - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - int subtype = type; - if (type == MSG_LOG_RECORDS) { - position.set(Position.KEY_ARCHIVE, true); - lastIndex = buf.readUnsignedInt() + 1; - position.set(Position.KEY_INDEX, lastIndex); - - subtype = buf.readUnsignedShort(); - if (subtype != MSG_CURRENT_GPS_DATA && subtype != MSG_STATE_FULL_INFO_T104) { - buf.skipBytes(buf.readUnsignedShort()); - continue; - } - buf.readUnsignedShort(); // length - } - - position.setTime(new Date(buf.readUnsignedInt() * 1000)); - position.setLatitude(buf.readInt() * 180.0 / 0x7FFFFFFF); - position.setLongitude(buf.readInt() * 180.0 / 0x7FFFFFFF); - - if (subtype == MSG_STATE_FULL_INFO_T104) { - int speed = buf.readUnsignedByte(); - position.setValid(speed != 255); - position.setSpeed(UnitsConverter.knotsFromKph(speed)); - position.set(Position.KEY_HDOP, buf.readByte()); - } else { - int speed = buf.readShort(); - position.setValid(speed != -1); - position.setSpeed(UnitsConverter.knotsFromKph(speed * 0.01)); - } - - position.setCourse(buf.readShort() * 0.01); - position.setAltitude(buf.readShort()); - - if (subtype == MSG_STATE_FULL_INFO_T104) { - - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - position.set(Position.KEY_RSSI, buf.readUnsignedByte()); - position.set(Position.KEY_EVENT, buf.readUnsignedShort()); - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt()); - position.set(Position.KEY_INPUT, buf.readUnsignedByte()); - position.set(Position.KEY_OUTPUT, buf.readUnsignedByte()); - - for (int i = 1; i <= 8; i++) { - position.set(Position.PREFIX_ADC + i, buf.readUnsignedShort()); - } - - position.set(Position.PREFIX_COUNT + 1, buf.readUnsignedInt()); - position.set(Position.PREFIX_COUNT + 2, buf.readUnsignedInt()); - position.set(Position.PREFIX_COUNT + 3, buf.readUnsignedInt()); - } - - positions.add(position); - } - - buf.readUnsignedInt(); // crc - - if (type == MSG_LOG_RECORDS) { - requestArchive(channel); - } else { - sendSimpleMessage(channel, MSG_REQUEST_LAST_LOG_INDEX); - } - - return positions; - } - - return null; - } - -} |