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-rw-r--r--src/org/traccar/protocol/BlackKiteProtocol.java48
-rw-r--r--src/org/traccar/protocol/BlackKiteProtocolDecoder.java232
2 files changed, 280 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/BlackKiteProtocol.java b/src/org/traccar/protocol/BlackKiteProtocol.java
new file mode 100644
index 000000000..0bdafd750
--- /dev/null
+++ b/src/org/traccar/protocol/BlackKiteProtocol.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2015 Vijay Kumar (vijaykumar@zilogic.com)
+ *
+ * Based on GalileoProtocol.java
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.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.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.nio.ByteOrder;
+import java.util.List;
+
+public class BlackKiteProtocol extends BaseProtocol {
+
+ public BlackKiteProtocol() {
+ super("blackkite");
+ }
+
+ @Override
+ public void initTrackerServers(List<TrackerServer> serverList) {
+ TrackerServer server = new TrackerServer(new ServerBootstrap(), this.getName()) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("frameDecoder", new GalileoFrameDecoder());
+ pipeline.addLast("objectDecoder", new BlackKiteProtocolDecoder(BlackKiteProtocol.this));
+ }
+ };
+ server.setEndianness(ByteOrder.LITTLE_ENDIAN);
+ serverList.add(server);
+ }
+
+}
diff --git a/src/org/traccar/protocol/BlackKiteProtocolDecoder.java b/src/org/traccar/protocol/BlackKiteProtocolDecoder.java
new file mode 100644
index 000000000..4f63dbafa
--- /dev/null
+++ b/src/org/traccar/protocol/BlackKiteProtocolDecoder.java
@@ -0,0 +1,232 @@
+/*
+ * Copyright 2015 Vijay Kumar (vijaykumar@zilogic.com)
+ *
+ * Based on GalileoProtocolDecoder.java
+ * Copyright 2013 - 2014 Anton Tananaev (anton.tananaev@gmail.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 java.net.SocketAddress;
+import java.nio.ByteOrder;
+import java.nio.charset.Charset;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+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.helper.Log;
+import org.traccar.helper.BitUtil;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+
+class DecodeError extends Exception {
+ public DecodeError(String message) {
+ super(message);
+ }
+}
+
+
+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 static final Map<Integer, Integer> tagLengthMap = new HashMap<>();
+
+ static {
+ tagLengthMap.put(TAG_IMEI, 15);
+ tagLengthMap.put(TAG_DATE, 4);
+ tagLengthMap.put(TAG_COORDINATES, 9);
+ tagLengthMap.put(TAG_SPEED_COURSE, 4);
+ tagLengthMap.put(TAG_ALTITUDE, 2);
+ tagLengthMap.put(TAG_STATUS, 2);
+ tagLengthMap.put(TAG_DIGITAL_INPUTS, 2);
+ tagLengthMap.put(TAG_DIGITAL_OUTPUTS, 2);
+ tagLengthMap.put(TAG_INPUT_VOLTAGE1, 2);
+ tagLengthMap.put(TAG_INPUT_VOLTAGE2, 2);
+ tagLengthMap.put(TAG_INPUT_VOLTAGE3, 2);
+ tagLengthMap.put(TAG_INPUT_VOLTAGE4, 2);
+ tagLengthMap.put(TAG_XT1, 16);
+ tagLengthMap.put(TAG_XT2, 16);
+ tagLengthMap.put(TAG_XT3, 16);
+ }
+
+ private static int getTagLength(int tag) throws DecodeError {
+ Integer length = tagLengthMap.get(tag);
+ if (length == null)
+ throw new DecodeError(String.format("invalid tag '%d'", tag));
+
+ return length;
+ }
+
+ 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<Position>();
+ Set<Integer> tags = new HashSet<Integer>();
+ 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:
+ String imei = buf.toString(buf.readerIndex(), 15, Charset.defaultCharset());
+ buf.skipBytes(imei.length());
+ identify(imei, channel);
+ 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(Event.KEY_IGNITION, BitUtil.check(status, 9));
+ position.set(Event.KEY_ALARM, BitUtil.check(status, 15));
+ position.set(Event.KEY_VBATT, BitUtil.check(status, 2));
+ break;
+
+ case TAG_DIGITAL_INPUTS:
+ int input = buf.readUnsignedShort();
+ for (int i = 0; i < 16; i++)
+ position.set(Event.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(Event.PREFIX_IO + (i + 17), BitUtil.check(output, i));
+ break;
+
+ case TAG_INPUT_VOLTAGE1:
+ position.set(Event.PREFIX_ADC + 1, buf.readUnsignedShort() / 1000.0);
+ break;
+
+ case TAG_INPUT_VOLTAGE2:
+ position.set(Event.PREFIX_ADC + 2, buf.readUnsignedShort() / 1000.0);
+ break;
+
+ case TAG_INPUT_VOLTAGE3:
+ position.set(Event.PREFIX_ADC + 3, buf.readUnsignedShort() / 1000.0);
+ break;
+
+ case TAG_INPUT_VOLTAGE4:
+ position.set(Event.PREFIX_ADC + 4, buf.readUnsignedShort() / 1000.0);
+ break;
+
+ default:
+ try {
+ buf.skipBytes(getTagLength(tag));
+ } catch (DecodeError e) {
+ Log.warning("Error decoding packet: " + e.getMessage());
+ return null;
+ }
+ break;
+
+ }
+ }
+ if (hasLocation && position.getFixTime() != null) {
+ positions.add(position);
+ }
+
+ if (!hasDeviceId()) {
+ Log.warning("Unknown device");
+ return null;
+ }
+
+ sendReply(channel, buf.readUnsignedShort());
+
+ for (Position p : positions) {
+ p.setDeviceId(getDeviceId());
+ }
+
+ if (positions.isEmpty()) {
+ return null;
+ }
+ return positions;
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 06:41:39 +0000