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authorAnton Tananaev <anton.tananaev@gmail.com>2017-07-15 14:01:52 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2017-07-15 14:01:52 +1200
commit08cc944644cee5ce745a9faae0866b206c575407 (patch)
tree2fcf0e16f92236df3ba1f9fd8f537a5659b570cd /src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java
parent8bb68423f9a1e3c30f900e89f2016bfcc26a324b (diff)
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Implement binary GL200 protocol
Diffstat (limited to 'src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java b/src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java
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+++ b/src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2017 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.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.DateBuilder;
+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;
+
+public class Gl200BinaryProtocolDecoder extends BaseProtocolDecoder {
+
+ public Gl200BinaryProtocolDecoder(Gl200Protocol protocol) {
+ super(protocol);
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ String header = buf.readBytes(4).toString(StandardCharsets.US_ASCII);
+
+ if (header.equals("+EVT")) {
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+
+ buf.readUnsignedByte(); // message type
+
+ buf.readUnsignedInt(); // mask
+
+ buf.readUnsignedShort(); // length
+ buf.readUnsignedByte(); // device type
+ buf.readUnsignedShort(); // protocol version
+
+ position.set(Position.KEY_VERSION_FW, String.valueOf(buf.readUnsignedShort()));
+
+ DeviceSession deviceSession = getDeviceSession(
+ channel, remoteAddress, String.format("%015d", buf.readLong()));
+ if (deviceSession == null) {
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
+ position.set(Position.KEY_POWER, buf.readUnsignedShort());
+
+ buf.readUnsignedByte(); // motion status
+
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ position.set(Position.KEY_INDEX, buf.readUnsignedByte());
+
+ int hdop = buf.readUnsignedByte();
+ position.setValid(hdop > 0);
+ position.set(Position.KEY_HDOP, hdop);
+
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedMedium()));
+ position.setCourse(buf.readUnsignedShort());
+ position.setAltitude(buf.readShort());
+ position.setLongitude(buf.readInt() * 0.000001);
+ position.setLatitude(buf.readInt() * 0.000001);
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(buf.readUnsignedShort(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ position.setTime(dateBuilder.getDate());
+
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedShort())));
+
+ buf.readUnsignedByte(); // reserved
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}