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author | Anton Tananaev <anton.tananaev@gmail.com> | 2018-03-27 05:55:40 +1300 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2018-03-27 05:55:40 +1300 |
commit | a959b3d754a2bd9e0f8a3b73b01061c88fe46053 (patch) | |
tree | f189b26d1a841e9b6b8abf13c0f6a7918e4c0585 /src/org/traccar/protocol/RoboTrackProtocolDecoder.java | |
parent | f2d31534703eb7b56a4c1ce82d354fcbb4254266 (diff) | |
download | traccar-server-a959b3d754a2bd9e0f8a3b73b01061c88fe46053.tar.gz traccar-server-a959b3d754a2bd9e0f8a3b73b01061c88fe46053.tar.bz2 traccar-server-a959b3d754a2bd9e0f8a3b73b01061c88fe46053.zip |
Implement RoboTrack protocol
Diffstat (limited to 'src/org/traccar/protocol/RoboTrackProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/RoboTrackProtocolDecoder.java | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/RoboTrackProtocolDecoder.java b/src/org/traccar/protocol/RoboTrackProtocolDecoder.java new file mode 100644 index 000000000..2244ea716 --- /dev/null +++ b/src/org/traccar/protocol/RoboTrackProtocolDecoder.java @@ -0,0 +1,130 @@ +/* + * Copyright 2018 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.BitUtil; +import org.traccar.helper.Checksum; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.CellTower; +import org.traccar.model.Network; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; +import java.util.Date; + +public class RoboTrackProtocolDecoder extends BaseProtocolDecoder { + + public RoboTrackProtocolDecoder(RoboTrackProtocol protocol) { + super(protocol); + } + + public static final int MSG_ID = 0x00; + public static final int MSG_ACK = 0x80; + public static final int MSG_GPS = 0x03; + public static final int MSG_GSM = 0x04; + public static final int MSG_IMAGE_START = 0x06; + public static final int MSG_IMAGE_DATA = 0x07; + public static final int MSG_IMAGE_END = 0x08; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + int type = buf.readUnsignedByte(); + + if (type == MSG_ID) { + + buf.skipBytes(16); // name + + String imei = buf.readBytes(15).toString(StandardCharsets.US_ASCII); + + if (getDeviceSession(channel, remoteAddress, imei) != null && channel != null) { + ChannelBuffer response = ChannelBuffers.dynamicBuffer(); + buf.writeByte(MSG_ACK); + buf.writeByte(0x01); // success + response.writeByte(Checksum.crc8(Checksum.CRC8_ROHC, response.toByteBuffer())); + channel.write(response); + } + + } else if (type == MSG_GPS || type == MSG_GSM) { + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000)); + + if (type == MSG_GPS) { + + position.setValid(true); + position.setFixTime(position.getDeviceTime()); + position.setLatitude(buf.readInt() * 0.000001); + position.setLongitude(buf.readInt() * 0.000001); + position.setSpeed(UnitsConverter.knotsFromKph(buf.readByte())); + + } else { + + getLastLocation(position, position.getDeviceTime()); + + position.setNetwork(new Network(CellTower.from( + buf.readUnsignedShort(), buf.readUnsignedShort(), + buf.readUnsignedShort(), buf.readUnsignedShort()))); + + buf.readUnsignedByte(); // reserved + + } + + int value = buf.readUnsignedByte(); + + position.set(Position.KEY_SATELLITES, BitUtil.to(value, 4)); + position.set(Position.KEY_RSSI, BitUtil.between(value, 4, 7)); + position.set(Position.KEY_MOTION, BitUtil.check(value, 7)); + + value = buf.readUnsignedByte(); + + position.set(Position.KEY_CHARGE, BitUtil.check(value, 0)); + + for (int i = 1; i <= 4; i++) { + position.set(Position.PREFIX_IN + i, BitUtil.check(value, i)); + } + + position.set(Position.KEY_BATTERY_LEVEL, BitUtil.from(value, 5) * 100 / 7); + position.set(Position.KEY_DEVICE_TEMP, buf.readByte()); + + for (int i = 1; i <= 3; i++) { + position.set(Position.PREFIX_ADC + i, buf.readUnsignedShort()); + } + + return position; + + } + + return null; + } + +} |