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authorAnton Tananaev <anton.tananaev@gmail.com>2019-12-21 19:53:13 -0800
committerAnton Tananaev <anton.tananaev@gmail.com>2019-12-21 19:53:13 -0800
commit1ca6c8561f1aa21d5f73030bcd0ab3e9c578a9f1 (patch)
tree7b7038475b5ceb00cccffd6feaadc64a53fcb824 /src/main/java
parente4216e7eabcb99c585909a262a1cf8d626b97ca6 (diff)
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Implement Blue ET700 protocol
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/traccar/protocol/BlueProtocol.java35
-rw-r--r--src/main/java/org/traccar/protocol/BlueProtocolDecoder.java113
2 files changed, 148 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/BlueProtocol.java b/src/main/java/org/traccar/protocol/BlueProtocol.java
new file mode 100644
index 000000000..79f0714ec
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/BlueProtocol.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 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 io.netty.handler.codec.LengthFieldBasedFrameDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+public class BlueProtocol extends BaseProtocol {
+
+ public BlueProtocol() {
+ addServer(new TrackerServer(false, getName()) {
+ @Override
+ protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 1, 2, 3, 0));
+ pipeline.addLast(new BlueProtocolDecoder(BlueProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/main/java/org/traccar/protocol/BlueProtocolDecoder.java b/src/main/java/org/traccar/protocol/BlueProtocolDecoder.java
new file mode 100644
index 000000000..98a8ae565
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/BlueProtocolDecoder.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2019 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 io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+
+public class BlueProtocolDecoder extends BaseProtocolDecoder {
+
+ public BlueProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private double readCoordinate(ByteBuf buf, boolean negative) {
+
+ int value = buf.readUnsignedShort();
+ int degrees = value / 100;
+ double minutes = value % 100 + buf.readUnsignedShort() * 0.0001;
+ double coordinate = degrees + minutes / 60;
+ return negative ? -coordinate : coordinate;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ buf.readUnsignedByte(); // header
+ buf.readUnsignedShort(); // length
+ buf.readUnsignedByte(); // version
+ buf.readUnsignedByte();
+
+ String id = String.valueOf(buf.readUnsignedInt());
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ while (buf.readableBytes() > 1) {
+
+ int frameEnd = buf.readerIndex() + buf.readUnsignedByte();
+
+ int type = buf.readUnsignedByte();
+ buf.readUnsignedByte(); // reference id
+ buf.readUnsignedByte();
+ buf.readUnsignedByte(); // flags
+
+ if (type == 0x01) {
+
+ buf.readUnsignedByte(); // reserved
+ int flags = buf.readUnsignedByte();
+
+ position.setValid(BitUtil.check(flags, 7));
+ position.setLatitude(readCoordinate(buf, BitUtil.check(flags, 6)));
+ position.setLongitude(readCoordinate(buf, BitUtil.check(flags, 5)));
+ position.setSpeed(buf.readUnsignedShort() + buf.readUnsignedShort() * 0.001);
+ position.setCourse(buf.readUnsignedShort() + buf.readUnsignedByte() * 0.01);
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ position.setTime(dateBuilder.getDate());
+
+ buf.readUnsignedShort(); // lac
+ buf.readUnsignedShort(); // cid
+
+ } else if (type == 0x12) {
+
+ int status;
+
+ status = buf.readUnsignedByte(); // status 1
+ position.set(Position.KEY_ALARM, BitUtil.check(status, 1) ? Position.ALARM_VIBRATION : null);
+
+ buf.readUnsignedByte(); // status 2
+ buf.readUnsignedByte(); // status 3
+ buf.readUnsignedByte(); // status 4
+ buf.readUnsignedByte(); // status 5
+ buf.readUnsignedByte(); // status 6
+
+ }
+
+ buf.readerIndex(frameEnd);
+ }
+
+ return position.getFixTime() != null ? position : null;
+ }
+
+}