1 files changed, 162 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/B2316ProtocolDecoder.java b/src/main/java/org/traccar/protocol/B2316ProtocolDecoder.java
new file mode 100644
index 000000000..854107a20
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/B2316ProtocolDecoder.java
@@ -0,0 +1,162 @@
+/*
+ * 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.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+import org.traccar.model.WifiAccessPoint;
+
+import javax.json.Json;
+import javax.json.JsonArray;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
+
+public class B2316ProtocolDecoder extends BaseProtocolDecoder {
+
+    public B2316ProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private String decodeAlarm(int value) {
+        switch (value) {
+            case 1:
+                return Position.ALARM_LOW_BATTERY;
+            case 2:
+                return Position.ALARM_SOS;
+            case 3:
+                return Position.ALARM_POWER_OFF;
+            case 4:
+                return Position.ALARM_REMOVING;
+            default:
+                return null;
+        }
+    }
+
+    private Integer decodeBattery(int value) {
+        switch (value) {
+            case 0:
+                return 10;
+            case 1:
+                return 30;
+            case 2:
+                return 60;
+            case 3:
+                return 80;
+            case 4:
+                return 100;
+            default:
+                return null;
+        }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        JsonObject root = Json.createReader(new StringReader((String) msg)).readObject();
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, root.getString("imei"));
+        if (deviceSession == null) {
+            return null;
+        }
+
+        List<Position> positions = new LinkedList<>();
+        JsonArray data = root.getJsonArray("data");
+        for (int i = 0; i < data.size(); i++) {
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            Network network = new Network();
+
+            JsonObject item = data.getJsonObject(i);
+            Date time = new Date(item.getJsonNumber("tm").longValue() * 1000);
+
+            if (item.containsKey("gp")) {
+                String[] coordinates = item.getString("gp").split(",");
+                position.setLongitude(Double.parseDouble(coordinates[0]));
+                position.setLatitude(Double.parseDouble(coordinates[1]));
+                position.setValid(true);
+                position.setTime(time);
+            } else {
+                getLastLocation(position, time);
+            }
+
+            if (item.containsKey("ci")) {
+                String[] cell = item.getString("ci").split(",");
+                network.addCellTower(CellTower.from(
+                        Integer.parseInt(cell[0]), Integer.parseInt(cell[1]),
+                        Integer.parseInt(cell[2]), Integer.parseInt(cell[3]),
+                        Integer.parseInt(cell[4])));
+            }
+
+            if (item.containsKey("wi")) {
+                String[] points = item.getString("wi").split(";");
+                for (String point : points) {
+                    String[] values = point.split(",");
+                    network.addWifiAccessPoint(WifiAccessPoint.from(
+                            values[0].replaceAll("(..)", "$1:"), Integer.parseInt(values[1])));
+                }
+            }
+
+            if (item.containsKey("wn")) {
+                position.set(Position.KEY_ALARM, decodeAlarm(item.getInt("wn")));
+            }
+            if (item.containsKey("ic")) {
+                position.set(Position.KEY_ICCID, item.getString("ic"));
+            }
+            if (item.containsKey("ve")) {
+                position.set(Position.KEY_VERSION_FW, item.getString("ve"));
+            }
+            if (item.containsKey("te")) {
+                String[] temperatures = item.getString("te").split(",");
+                for (int j = 0; j < temperatures.length; j++) {
+                    position.set(Position.PREFIX_TEMP + (j + 1), Integer.parseInt(temperatures[j]) * 0.1);
+                }
+            }
+            if (item.containsKey("st")) {
+                position.set(Position.KEY_STEPS, item.getInt("st"));
+            }
+            if (item.containsKey("ba")) {
+                position.set(Position.KEY_BATTERY_LEVEL, decodeBattery(item.getInt("ba")));
+            }
+            if (item.containsKey("sn")) {
+                position.set(Position.KEY_RSSI, item.getInt("sn"));
+            }
+            if (item.containsKey("hr")) {
+                position.set(Position.KEY_HEART_RATE, item.getInt("hr"));
+            }
+
+            if (network.getCellTowers() != null || network.getWifiAccessPoints() != null) {
+                position.setNetwork(network);
+            }
+
+            positions.add(position);
+        }
+
+        return positions.isEmpty() ? null : positions;
+    }
+
+}