diff options
Diffstat (limited to 'src/org/traccar/protocol/BlackKiteProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/BlackKiteProtocolDecoder.java | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/src/org/traccar/protocol/BlackKiteProtocolDecoder.java b/src/org/traccar/protocol/BlackKiteProtocolDecoder.java deleted file mode 100644 index 561d7c18b..000000000 --- a/src/org/traccar/protocol/BlackKiteProtocolDecoder.java +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright 2013 - 2016 Anton Tananaev (anton@traccar.org) - * Copyright 2015 Vijay Kumar (vijaykumar@zilogic.com) - * - * 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.model.Position; - -import java.net.SocketAddress; -import java.nio.ByteOrder; -import java.nio.charset.StandardCharsets; -import java.util.Date; -import java.util.HashSet; -import java.util.LinkedList; -import java.util.List; -import java.util.Set; - -public class BlackKiteProtocolDecoder extends BaseProtocolDecoder { - - public BlackKiteProtocolDecoder(BlackKiteProtocol protocol) { - super(protocol); - } - - private static final int TAG_IMEI = 0x03; - private static final int TAG_DATE = 0x20; - private static final int TAG_COORDINATES = 0x30; - private static final int TAG_SPEED_COURSE = 0x33; - private static final int TAG_ALTITUDE = 0x34; - private static final int TAG_STATUS = 0x40; - private static final int TAG_DIGITAL_OUTPUTS = 0x45; - private static final int TAG_DIGITAL_INPUTS = 0x46; - private static final int TAG_INPUT_VOLTAGE1 = 0x50; - private static final int TAG_INPUT_VOLTAGE2 = 0x51; - private static final int TAG_INPUT_VOLTAGE3 = 0x52; - private static final int TAG_INPUT_VOLTAGE4 = 0x53; - private static final int TAG_XT1 = 0x60; - private static final int TAG_XT2 = 0x61; - private static final int TAG_XT3 = 0x62; - - private void sendReply(Channel channel, int checksum) { - ChannelBuffer reply = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 3); - reply.writeByte(0x02); - reply.writeShort((short) checksum); - if (channel != null) { - channel.write(reply); - } - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ChannelBuffer buf = (ChannelBuffer) msg; - - buf.readUnsignedByte(); // header - int length = (buf.readUnsignedShort() & 0x7fff) + 3; - - List<Position> positions = new LinkedList<>(); - Set<Integer> tags = new HashSet<>(); - boolean hasLocation = false; - Position position = new Position(); - position.setProtocol(getProtocolName()); - - while (buf.readerIndex() < length) { - - // Check if new message started - int tag = buf.readUnsignedByte(); - if (tags.contains(tag)) { - if (hasLocation && position.getFixTime() != null) { - positions.add(position); - } - tags.clear(); - hasLocation = false; - position = new Position(); - } - tags.add(tag); - - switch (tag) { - - case TAG_IMEI: - getDeviceSession(channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII)); - break; - - case TAG_DATE: - position.setTime(new Date(buf.readUnsignedInt() * 1000)); - break; - - case TAG_COORDINATES: - hasLocation = true; - position.setValid((buf.readUnsignedByte() & 0xf0) == 0x00); - position.setLatitude(buf.readInt() / 1000000.0); - position.setLongitude(buf.readInt() / 1000000.0); - break; - - case TAG_SPEED_COURSE: - position.setSpeed(buf.readUnsignedShort() * 0.0539957); - position.setCourse(buf.readUnsignedShort() * 0.1); - break; - - case TAG_ALTITUDE: - position.setAltitude(buf.readShort()); - break; - - case TAG_STATUS: - int status = buf.readUnsignedShort(); - position.set(Position.KEY_IGNITION, BitUtil.check(status, 9)); - if (BitUtil.check(status, 15)) { - position.set(Position.KEY_ALARM, Position.ALARM_GENERAL); - } - position.set(Position.KEY_CHARGE, BitUtil.check(status, 2)); - break; - - case TAG_DIGITAL_INPUTS: - int input = buf.readUnsignedShort(); - for (int i = 0; i < 16; i++) { - position.set(Position.PREFIX_IO + (i + 1), BitUtil.check(input, i)); - } - break; - - case TAG_DIGITAL_OUTPUTS: - int output = buf.readUnsignedShort(); - for (int i = 0; i < 16; i++) { - position.set(Position.PREFIX_IO + (i + 17), BitUtil.check(output, i)); - } - break; - - case TAG_INPUT_VOLTAGE1: - position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() / 1000.0); - break; - - case TAG_INPUT_VOLTAGE2: - position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort() / 1000.0); - break; - - case TAG_INPUT_VOLTAGE3: - position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort() / 1000.0); - break; - - case TAG_INPUT_VOLTAGE4: - position.set(Position.PREFIX_ADC + 4, buf.readUnsignedShort() / 1000.0); - break; - - case TAG_XT1: - case TAG_XT2: - case TAG_XT3: - buf.skipBytes(16); - break; - - default: - break; - - } - } - - if (hasLocation && position.getFixTime() != null) { - positions.add(position); - } - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); - if (deviceSession == null) { - return null; - } - - sendReply(channel, buf.readUnsignedShort()); - - for (Position p : positions) { - p.setDeviceId(deviceSession.getDeviceId()); - } - - if (positions.isEmpty()) { - return null; - } - - return positions; - } - -} |