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Diffstat (limited to 'src/org/traccar/protocol/GranitProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/GranitProtocolDecoder.java242
1 files changed, 0 insertions, 242 deletions
diff --git a/src/org/traccar/protocol/GranitProtocolDecoder.java b/src/org/traccar/protocol/GranitProtocolDecoder.java
deleted file mode 100644
index 8e935ae9e..000000000
--- a/src/org/traccar/protocol/GranitProtocolDecoder.java
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * Copyright 2016 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.Context;
-import org.traccar.DeviceSession;
-import org.traccar.helper.BitUtil;
-import org.traccar.helper.Checksum;
-import org.traccar.helper.StringFinder;
-import org.traccar.model.Position;
-
-import java.net.SocketAddress;
-import java.nio.ByteOrder;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-
-public class GranitProtocolDecoder extends BaseProtocolDecoder {
-
- private static final int HEADER_LENGTH = 6;
-
- private double adc1Ratio;
- private double adc2Ratio;
- private double adc3Ratio;
- private double adc4Ratio;
-
- public GranitProtocolDecoder(GranitProtocol protocol) {
- super(protocol);
- adc1Ratio = Context.getConfig().getDouble("granit.adc1Ratio", 1);
- adc2Ratio = Context.getConfig().getDouble("granit.adc2Ratio", 1);
- adc3Ratio = Context.getConfig().getDouble("granit.adc3Ratio", 1);
- adc4Ratio = Context.getConfig().getDouble("granit.adc4Ratio", 1);
- }
-
- public static void appendChecksum(ChannelBuffer buffer, int length) {
- buffer.writeByte('*');
- int checksum = Checksum.xor(buffer.toByteBuffer(0, length)) & 0xFF;
- String checksumString = String.format("%02X", checksum);
- buffer.writeBytes(checksumString.getBytes(StandardCharsets.US_ASCII));
- buffer.writeByte('\r'); buffer.writeByte('\n');
- }
-
- private static void sendResponseCurrent(Channel channel, int deviceId, long time) {
- ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
- response.writeBytes("BB+UGRC~".getBytes(StandardCharsets.US_ASCII));
- response.writeShort(6); // length
- response.writeInt((int) time);
- response.writeShort(deviceId);
- appendChecksum(response, 16);
- channel.write(response);
- }
-
- private static void sendResponseArchive(Channel channel, int deviceId, int packNum) {
- ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
- response.writeBytes("BB+ARCF~".getBytes(StandardCharsets.US_ASCII));
- response.writeShort(4); // length
- response.writeShort(packNum);
- response.writeShort(deviceId);
- appendChecksum(response, 14);
- channel.write(response);
- }
-
- private void decodeStructure(ChannelBuffer buf, Position position) {
- short flags = buf.readUnsignedByte();
- position.setValid(BitUtil.check(flags, 7));
- if (BitUtil.check(flags, 1)) {
- position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
- }
-
- short satDel = buf.readUnsignedByte();
- position.set(Position.KEY_SATELLITES, BitUtil.from(satDel, 4));
-
- int pdop = BitUtil.to(satDel, 4);
- position.set(Position.KEY_PDOP, pdop);
-
- int lonDegrees = buf.readUnsignedByte();
- int latDegrees = buf.readUnsignedByte();
- int lonMinutes = buf.readUnsignedShort();
- int latMinutes = buf.readUnsignedShort();
-
- double latitude = latDegrees + latMinutes / 60000.0;
- double longitude = lonDegrees + lonMinutes / 60000.0;
-
- if (position.getValid()) {
- if (!BitUtil.check(flags, 4)) {
- latitude = -latitude;
- }
- if (!BitUtil.check(flags, 5)) {
- longitude = -longitude;
- }
- }
-
- position.setLongitude(longitude);
- position.setLatitude(latitude);
-
- position.setSpeed(buf.readUnsignedByte());
-
- int course = buf.readUnsignedByte();
- if (BitUtil.check(flags, 6)) {
- course = course | 0x100;
- }
- position.setCourse(course);
-
- position.set(Position.KEY_DISTANCE, buf.readShort());
-
- int analogIn1 = buf.readUnsignedByte();
- int analogIn2 = buf.readUnsignedByte();
- int analogIn3 = buf.readUnsignedByte();
- int analogIn4 = buf.readUnsignedByte();
-
- int analogInHi = buf.readUnsignedByte();
-
- analogIn1 = analogInHi << 8 & 0x300 | analogIn1;
- analogIn2 = analogInHi << 6 & 0x300 | analogIn2;
- analogIn3 = analogInHi << 4 & 0x300 | analogIn3;
- analogIn4 = analogInHi << 2 & 0x300 | analogIn4;
-
- position.set(Position.PREFIX_ADC + 1, analogIn1 * adc1Ratio);
- position.set(Position.PREFIX_ADC + 2, analogIn2 * adc2Ratio);
- position.set(Position.PREFIX_ADC + 3, analogIn3 * adc3Ratio);
- position.set(Position.PREFIX_ADC + 4, analogIn4 * adc4Ratio);
-
- position.setAltitude(buf.readUnsignedByte() * 10);
-
- int output = buf.readUnsignedByte();
- for (int i = 0; i < 8; i++) {
- position.set(Position.PREFIX_IO + (i + 1), BitUtil.check(output, i));
- }
- buf.readUnsignedByte(); // status message buffer
- }
-
- @Override
- protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- ChannelBuffer buf = (ChannelBuffer) msg;
-
- int indexTilde = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("~"));
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
-
- if (deviceSession != null && indexTilde == -1) {
- String bufString = buf.toString(StandardCharsets.US_ASCII);
- Position position = new Position();
- position.setProtocol(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- position.setTime(new Date());
- getLastLocation(position, new Date());
- position.setValid(false);
- position.set(Position.KEY_RESULT, bufString);
- return position;
- }
-
- if (buf.readableBytes() < HEADER_LENGTH) {
- return null;
- }
- String header = buf.readBytes(HEADER_LENGTH).toString(StandardCharsets.US_ASCII);
-
- if (header.equals("+RRCB~")) {
-
- buf.skipBytes(2); //binary length 26
- int deviceId = buf.readUnsignedShort();
- deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(deviceId));
- if (deviceSession == null) {
- return null;
- }
- long unixTime = buf.readUnsignedInt();
- if (channel != null) {
- sendResponseCurrent(channel, deviceId, unixTime);
- }
- Position position = new Position();
- position.setProtocol(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- position.setTime(new Date(unixTime * 1000));
-
- decodeStructure(buf, position);
- return position;
-
- } else if (header.equals("+DDAT~")) {
-
- buf.skipBytes(2); //binary length
- int deviceId = buf.readUnsignedShort();
- deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(deviceId));
- if (deviceSession == null) {
- return null;
- }
- byte format = buf.readByte();
- if (format != 4) {
- return null;
- }
- byte nblocks = buf.readByte();
- int packNum = buf.readUnsignedShort();
- if (channel != null) {
- sendResponseArchive(channel, deviceId, packNum);
- }
- List<Position> positions = new ArrayList<>();
- while (nblocks > 0) {
- nblocks--;
- long unixTime = buf.readUnsignedInt();
- int timeIncrement = buf.getUnsignedShort(buf.readerIndex() + 120);
- for (int i = 0; i < 6; i++) {
- if (buf.getUnsignedByte(buf.readerIndex()) != 0xFE) {
- Position position = new Position();
- position.setProtocol(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
- position.setTime(new Date((unixTime + i * timeIncrement) * 1000));
- decodeStructure(buf, position);
- position.set(Position.KEY_ARCHIVE, true);
- positions.add(position);
- } else {
- buf.skipBytes(20); // skip filled 0xFE structure
- }
- }
- buf.skipBytes(2); // increment
- }
- return positions;
-
- }
-
- return null;
- }
-
-}
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