From 76873ef0a00b0b5f71755e754b134c9cb34efc6e Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Thu, 3 Mar 2022 23:01:46 -0800
Subject: Add SKY IoT TeraTrack protocol

---
 .../org/traccar/protocol/TeraTrackProtocol.java    | 39 +++++++++++
 .../traccar/protocol/TeraTrackProtocolDecoder.java | 80 ++++++++++++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 src/main/java/org/traccar/protocol/TeraTrackProtocol.java
 create mode 100644 src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java

(limited to 'src/main/java/org')

diff --git a/src/main/java/org/traccar/protocol/TeraTrackProtocol.java b/src/main/java/org/traccar/protocol/TeraTrackProtocol.java
new file mode 100644
index 000000000..87d84be44
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/TeraTrackProtocol.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2022 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.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+public class TeraTrackProtocol extends BaseProtocol {
+
+    public TeraTrackProtocol() {
+        addServer(new TrackerServer(false, getName()) {
+            @Override
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
+                pipeline.addLast(new HttpResponseEncoder());
+                pipeline.addLast(new HttpRequestDecoder());
+                pipeline.addLast(new HttpObjectAggregator(65535));
+                pipeline.addLast(new TeraTrackProtocolDecoder(TeraTrackProtocol.this));
+            }
+        });
+    }
+
+}
diff --git a/src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java
new file mode 100644
index 000000000..fadccccba
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2022 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.channel.Channel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import org.traccar.BaseHttpProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.TimeZone;
+
+public class TeraTrackProtocolDecoder extends BaseHttpProtocolDecoder {
+
+    public TeraTrackProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        FullHttpRequest request = (FullHttpRequest) msg;
+        JsonObject json = Json.createReader(
+                new StringReader(request.content().toString(StandardCharsets.US_ASCII))).readObject();
+
+        String deviceId = json.getString("MDeviceID");
+        String imei = json.getString("IMEI");
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, deviceId, imei);
+        if (deviceSession == null) {
+            sendResponse(channel, HttpResponseStatus.NOT_FOUND);
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+        position.setTime(dateFormat.parse(json.getString("DateTime")));
+
+        position.setValid(true);
+
+        double latitude = Double.parseDouble(json.getString("Latitude"));
+        position.setLatitude(json.getString("LatitudeState").equals("0") ? -latitude : latitude);
+        double longitude = Double.parseDouble(json.getString("Longitude"));
+        position.setLongitude(json.getString("LongitudeState").equals("0") ? -longitude : longitude);
+
+        position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(json.getString("Speed"))));
+
+        position.set(Position.KEY_ODOMETER, Integer.parseInt(json.getString("Mileage")));
+
+        sendResponse(channel, HttpResponseStatus.OK);
+        return position;
+    }
+
+}
-- 
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