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-rw-r--r--src/org/traccar/model/Command.java1
-rw-r--r--src/org/traccar/protocol/GranitProtocol.java52
-rw-r--r--src/org/traccar/protocol/GranitProtocolDecoder.java212
-rw-r--r--src/org/traccar/protocol/GranitProtocolEncoder.java55
4 files changed, 320 insertions, 0 deletions
diff --git a/src/org/traccar/model/Command.java b/src/org/traccar/model/Command.java
index 0a1a62216..d15eb9e70 100644
--- a/src/org/traccar/model/Command.java
+++ b/src/org/traccar/model/Command.java
@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
public class Command extends Message {
public static final String TYPE_CUSTOM = "custom";
+ public static final String TYPE_IDENTIFICATION = "deviceIdentification";
public static final String TYPE_POSITION_SINGLE = "positionSingle";
public static final String TYPE_POSITION_PERIODIC = "positionPeriodic";
public static final String TYPE_POSITION_STOP = "positionStop";
diff --git a/src/org/traccar/protocol/GranitProtocol.java b/src/org/traccar/protocol/GranitProtocol.java
new file mode 100644
index 000000000..a33c43d20
--- /dev/null
+++ b/src/org/traccar/protocol/GranitProtocol.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2016 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.jboss.netty.handler.codec.frame.LineBasedFrameDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+import org.traccar.model.Command;
+
+import java.nio.ByteOrder;
+import java.util.List;
+
+public class GranitProtocol extends BaseProtocol {
+
+ public GranitProtocol() {
+ super("granit");
+ setSupportedCommands(
+ Command.TYPE_IDENTIFICATION,
+ Command.TYPE_REBOOT_DEVICE,
+ Command.TYPE_POSITION_SINGLE);
+ }
+
+ @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 LineBasedFrameDecoder(1024));
+ pipeline.addLast("objectEncoder", new GranitProtocolEncoder());
+ pipeline.addLast("objectDecoder", new GranitProtocolDecoder(GranitProtocol.this));
+ }
+ };
+ server.setEndianness(ByteOrder.LITTLE_ENDIAN);
+ serverList.add(server);
+ }
+
+}
diff --git a/src/org/traccar/protocol/GranitProtocolDecoder.java b/src/org/traccar/protocol/GranitProtocolDecoder.java
new file mode 100644
index 000000000..b92bc72e2
--- /dev/null
+++ b/src/org/traccar/protocol/GranitProtocolDecoder.java
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2016 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.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.Checksum;
+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;
+
+ public GranitProtocolDecoder(GranitProtocol protocol) {
+ super(protocol);
+ }
+
+ 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); //binary 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); //binary length
+ response.writeShort(packNum);
+ response.writeShort(deviceId);
+ appendChecksum(response, 14);
+ channel.write(response);
+ }
+
+ private static void decodeStructure(ChannelBuffer buf, Position position) {
+ short flags = buf.readUnsignedByte();
+ position.setValid(BitUtil.check(flags, 7));
+ position.set(Position.KEY_ALARM, BitUtil.check(flags, 1));
+
+ short satDel = buf.readUnsignedByte();
+ position.set(Position.KEY_SATELLITES, BitUtil.from(satDel, 4));
+
+ int pdop = BitUtil.to(satDel, 4);
+ position.set("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 (!BitUtil.check(flags, 4)) {
+ latitude = -latDegrees;
+ }
+ 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);
+ position.set(Position.PREFIX_ADC + 2, analogIn2);
+ position.set(Position.PREFIX_ADC + 3, analogIn3);
+ position.set(Position.PREFIX_ADC + 4, analogIn4);
+
+ position.setAltitude(buf.readUnsignedByte() * 10);
+
+ short diOut = buf.readUnsignedByte();
+ for (int i = 0; i < 8; i++) {
+ position.set(Position.PREFIX_IO + (i + 1), BitUtil.check(diOut, i));
+ }
+ buf.skipBytes(1); //StatMess
+ }
+
+ @Override
+ protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+ String bufString = buf.toString(StandardCharsets.US_ASCII);
+ if (hasDeviceId() && bufString.contains("OK") || bufString.startsWith("ERROR")
+ || bufString.startsWith("+PR") || bufString.startsWith("+IDNT")
+ || bufString.startsWith("+BBMD")) {
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(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;
+ }
+ buf.skipBytes(HEADER_LENGTH);
+
+ if (bufString.startsWith("+RRCB~")) {
+ buf.skipBytes(2); //binary length 26
+ int deviceId = buf.readUnsignedShort();
+ if (!identify(String.valueOf(deviceId), channel, remoteAddress)) {
+ return null;
+ }
+ long unixTime = buf.readUnsignedInt();
+ if (channel != null) {
+ sendResponseCurrent(channel, deviceId, unixTime);
+ }
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(getDeviceId());
+
+ position.setTime(new Date(unixTime * 1000));
+
+ decodeStructure(buf, position);
+ return position;
+
+ } else if (bufString.startsWith("+DDAT~")) {
+ buf.skipBytes(2); //binary length
+ int deviceId = buf.readUnsignedShort();
+ if (!identify(String.valueOf(deviceId), channel, remoteAddress)) {
+ 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();
+ for (int i = 0; i < 6; i++) {
+ if (buf.getUnsignedByte(buf.readerIndex()) != 0xFE) {
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(getDeviceId());
+ position.setTime(new Date(unixTime * 1000));
+ decodeStructure(buf, position);
+ positions.add(position);
+ } else {
+ buf.skipBytes(20); // skip filled 0xFE structure
+ }
+ }
+ buf.skipBytes(2); // increment
+ }
+ return positions;
+ }
+ return null;
+ }
+}
diff --git a/src/org/traccar/protocol/GranitProtocolEncoder.java b/src/org/traccar/protocol/GranitProtocolEncoder.java
new file mode 100644
index 000000000..961f183f5
--- /dev/null
+++ b/src/org/traccar/protocol/GranitProtocolEncoder.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2016 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.nio.charset.StandardCharsets;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+public class GranitProtocolEncoder extends BaseProtocolEncoder {
+ @Override
+ protected Object encodeCommand(Command command) {
+
+ String commandString = "";
+
+ switch (command.getType()) {
+ case Command.TYPE_IDENTIFICATION:
+ commandString = "BB+IDNT";
+ break;
+ case Command.TYPE_REBOOT_DEVICE:
+ commandString = "BB+RESET";
+ break;
+ case Command.TYPE_POSITION_SINGLE:
+ commandString = "BB+RRCD";
+ break;
+ default:
+ Log.warning(new UnsupportedOperationException(command.getType()));
+ return null;
+ }
+ if (!commandString.isEmpty()) {
+ ChannelBuffer commandBuf = ChannelBuffers.dynamicBuffer();
+ commandBuf.writeBytes(commandString.getBytes(StandardCharsets.US_ASCII));
+ GranitProtocolDecoder.appendChecksum(commandBuf, commandString.length());
+ return commandBuf;
+ }
+ return null;
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 14:11:01 +0000