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authorAnton Tananaev <anton.tananaev@gmail.com>2021-05-27 22:20:53 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2021-05-27 22:20:53 -0700
commite8ef6067bafeb051aac6272a457d269684c4b8f3 (patch)
treeac2dffb3f903708db8519a588212f8280b8ddffa /src/main
parentabf3fc0e3b440a15ad1cade05324fc6e13bfb25d (diff)
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Implement ThinkPower protocol
Diffstat (limited to 'src/main')
-rw-r--r--src/main/java/org/traccar/protocol/ThinkPowerProtocol.java35
-rw-r--r--src/main/java/org/traccar/protocol/ThinkPowerProtocolDecoder.java182
2 files changed, 217 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/ThinkPowerProtocol.java b/src/main/java/org/traccar/protocol/ThinkPowerProtocol.java
new file mode 100644
index 000000000..ece1b0544
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/ThinkPowerProtocol.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2021 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 ThinkPowerProtocol extends BaseProtocol {
+
+ public ThinkPowerProtocol() {
+ addServer(new TrackerServer(false, getName()) {
+ @Override
+ protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 2, 2, 2, 0));
+ pipeline.addLast(new ThinkPowerProtocolDecoder(ThinkPowerProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/main/java/org/traccar/protocol/ThinkPowerProtocolDecoder.java b/src/main/java/org/traccar/protocol/ThinkPowerProtocolDecoder.java
new file mode 100644
index 000000000..b3f943078
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/ThinkPowerProtocolDecoder.java
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2021 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.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+
+public class ThinkPowerProtocolDecoder extends BaseProtocolDecoder {
+
+ public ThinkPowerProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_LOGIN_REQUEST = 0x01;
+ public static final int MSG_LOGIN_RESPONSE = 0x02;
+ public static final int MSG_HEARTBEAT_REQUEST = 0x03;
+ public static final int MSG_HEARTBEAT_RESPONSE = 0x04;
+ public static final int MSG_RECORD_REPORT = 0x05;
+ public static final int MSG_RECORD_RESPONSE = 0x06;
+
+ private void sendResponse(Channel channel, int type, int index, ByteBuf content) {
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeByte(type);
+ response.writeByte(index);
+ if (content != null) {
+ response.writeShort(content.readableBytes());
+ response.writeBytes(content);
+ content.release();
+ } else {
+ response.writeShort(0);
+ }
+ response.writeShort(Checksum.crc16(Checksum.CRC16_CCITT_FALSE, response.nioBuffer()));
+ channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+ }
+ }
+
+ private void decodeValue(Position position, int type, ByteBuf buf) {
+ switch (type) {
+ case 0x01:
+ position.setValid(true);
+ position.setLatitude(buf.readInt() * 0.0000001);
+ position.setLongitude(buf.readInt() * 0.0000001);
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort() * 0.1));
+ position.setCourse(buf.readUnsignedShort() * 0.01);
+ break;
+ case 0x02:
+ position.setValid(buf.readUnsignedByte() > 0);
+ break;
+ case 0x03:
+ buf.skipBytes(3); // geofence
+ break;
+ case 0x06:
+ case 0x07:
+ case 0x08:
+ buf.skipBytes(2); // g-sensor x/y/z
+ break;
+ case 0x09:
+ buf.readUnsignedByte(); // collision alarm
+ break;
+ case 0x0A:
+ buf.readUnsignedByte(); // drop alarm
+ break;
+ case 0x10:
+ if (buf.readUnsignedByte() > 0) {
+ position.set(Position.KEY_ALARM, Position.ALARM_SOS);
+ }
+ break;
+ case 0x12:
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.1);
+ break;
+ case 0x13:
+ if (buf.readUnsignedByte() > 0) {
+ position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
+ }
+ break;
+ case 0x16:
+ buf.readUnsignedShort(); // temperature
+ break;
+ case 0x17:
+ buf.readUnsignedByte(); // humidity
+ break;
+ case 0x18:
+ buf.readUnsignedShort(); // high temperature
+ break;
+ case 0x19:
+ buf.readUnsignedByte(); // high humidity
+ break;
+ case 0x50:
+ if (buf.readUnsignedByte() > 0) {
+ position.set(Position.KEY_ALARM, Position.ALARM_REMOVING);
+ }
+ break;
+ case 0x51:
+ if (buf.readUnsignedByte() > 0) {
+ position.set(Position.KEY_ALARM, Position.ALARM_TAMPERING);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ int type = buf.readUnsignedByte();
+ int index = buf.readUnsignedByte();
+ buf.readUnsignedShort(); // length
+
+ if (type == MSG_LOGIN_REQUEST) {
+
+ buf.readUnsignedByte(); // protocol major version
+ buf.readUnsignedByte(); // protocol minor version
+
+ String id = buf.readCharSequence(buf.readUnsignedByte(), StandardCharsets.US_ASCII).toString();
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);
+
+ ByteBuf content = Unpooled.buffer();
+ content.writeByte(deviceSession != null ? 0 : 4);
+ sendResponse(channel, MSG_LOGIN_RESPONSE, index, content);
+
+ } else if (type == MSG_HEARTBEAT_REQUEST) {
+
+ sendResponse(channel, MSG_HEARTBEAT_RESPONSE, index, null);
+
+ } else if (type == MSG_RECORD_REPORT) {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ buf.readUnsignedByte(); // count
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+ while (buf.readableBytes() > 2) {
+ decodeValue(position, buf.readUnsignedByte(), buf);
+ }
+
+ sendResponse(channel, MSG_RECORD_RESPONSE, index, null);
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}