Merge branch 'master' into develop

1 files changed, 173 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/FlexApiProtocolDecoder.java b/src/main/java/org/traccar/protocol/FlexApiProtocolDecoder.java
new file mode 100644
index 000000000..2dec44e64
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/FlexApiProtocolDecoder.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2021 - 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 org.traccar.BaseProtocolDecoder;
+import org.traccar.session.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.util.Date;
+
+public class FlexApiProtocolDecoder extends BaseProtocolDecoder {
+
+    public FlexApiProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String message = (String) msg;
+        JsonObject root = Json.createReader(new StringReader(message.substring(1, message.length() - 2))).readObject();
+
+        String topic = root.getString("topic");
+        String clientId = topic.substring(3, topic.indexOf('/', 3));
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, clientId);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        JsonObject payload = root.getJsonObject("payload");
+
+        if (topic.contains("/gnss/")) {
+
+            position.setValid(true);
+
+            if (payload.containsKey("time")) {
+                position.setTime(new Date(payload.getInt("time") * 1000L));
+                position.setLatitude(payload.getJsonNumber("lat").doubleValue());
+                position.setLongitude(payload.getJsonNumber("log").doubleValue());
+            } else {
+                position.setTime(new Date(payload.getInt("gnss.ts") * 1000L));
+                position.setLatitude(payload.getJsonNumber("gnss.latitude").doubleValue());
+                position.setLongitude(payload.getJsonNumber("gnss.longitude").doubleValue());
+            }
+
+            position.setValid(payload.getInt("gnss.fix") > 0);
+            position.setAltitude(payload.getJsonNumber("gnss.altitude").doubleValue());
+            position.setSpeed(payload.getJsonNumber("gnss.speed").doubleValue());
+            position.setCourse(payload.getJsonNumber("gnss.heading").doubleValue());
+
+            position.set(Position.KEY_SATELLITES, payload.getInt("gnss.num_sv"));
+            position.set(Position.KEY_HDOP, payload.getJsonNumber("gnss.hdop").doubleValue());
+
+        } else if (topic.contains("/cellular1/")) {
+
+            getLastLocation(position, new Date(payload.getInt("modem1.ts") * 1000L));
+
+            position.set("imei", payload.getString("modem1.imei"));
+            position.set("imsi", payload.getString("modem1.imsi"));
+            position.set(Position.KEY_ICCID, payload.getString("modem1.iccid"));
+
+            String operator = payload.getString("modem1.operator");
+            if (!operator.isEmpty()) {
+                CellTower cellTower = CellTower.from(
+                        Integer.parseInt(operator.substring(0, 3)),
+                        Integer.parseInt(operator.substring(3)),
+                        Integer.parseInt(payload.getString("modem1.lac"), 16),
+                        Integer.parseInt(payload.getString("modem1.cell_id"), 16),
+                        payload.getInt("modem1.rssi"));
+                switch (payload.getInt("modem1.network")) {
+                    case 1:
+                        cellTower.setRadioType("gsm");
+                        break;
+                    case 2:
+                        cellTower.setRadioType("wcdma");
+                        break;
+                    case 3:
+                        cellTower.setRadioType("lte");
+                        break;
+                    default:
+                        break;
+                }
+                position.setNetwork(new Network(cellTower));
+            }
+
+        } else if (topic.contains("/obd/")) {
+
+            getLastLocation(position, new Date(payload.getInt("obd.ts") * 1000L));
+
+            if (payload.containsKey("obd.speed")) {
+                position.set(Position.KEY_OBD_SPEED, payload.getJsonNumber("obd.speed").doubleValue());
+            }
+            if (payload.containsKey("obd.odo")) {
+                position.set(Position.KEY_OBD_ODOMETER, payload.getInt("obd.odo"));
+            }
+            if (payload.containsKey("obd.rpm")) {
+                position.set(Position.KEY_RPM, payload.getInt("obd.rpm"));
+            }
+            if (payload.containsKey("obd.vin")) {
+                position.set(Position.KEY_VIN, payload.getString("obd.vin"));
+            }
+
+        } else if (topic.contains("/motion/")) {
+
+            getLastLocation(position, new Date(payload.getInt("motion.ts") * 1000L));
+
+            position.set("ax", payload.getJsonNumber("motion.ax").doubleValue());
+            position.set("ay", payload.getJsonNumber("motion.ay").doubleValue());
+            position.set("az", payload.getJsonNumber("motion.az").doubleValue());
+            position.set("gx", payload.getJsonNumber("motion.gx").doubleValue());
+            position.set("gy", payload.getJsonNumber("motion.gy").doubleValue());
+            position.set("gz", payload.getJsonNumber("motion.gz").doubleValue());
+
+        } else if (topic.contains("/io/")) {
+
+            getLastLocation(position, new Date(payload.getInt("io.ts") * 1000L));
+
+            if (payload.containsKey("io.IGT")) {
+                position.set(Position.KEY_IGNITION, payload.getInt("io.IGT") > 0);
+            }
+
+            for (String key : payload.keySet()) {
+                if (key.startsWith("io.AI")) {
+                    position.set(Position.PREFIX_ADC + key.substring(5), payload.getJsonNumber(key).doubleValue());
+                } else if (key.startsWith("io.DI") && !key.endsWith("_pullup")) {
+                    position.set(Position.PREFIX_IN + key.substring(5), payload.getInt(key) > 0);
+                } else if (key.startsWith("io.DO")) {
+                    position.set(Position.PREFIX_OUT + key.substring(5), payload.getInt(key) > 0);
+                }
+            }
+
+        } else if (topic.contains("/sysinfo/")) {
+
+            getLastLocation(position, new Date(payload.getInt("sysinfo.ts") * 1000L));
+
+            position.set("serial", payload.getString("sysinfo.serial_number"));
+            position.set(Position.KEY_VERSION_FW, payload.getString("sysinfo.firmware_version"));
+
+        } else {
+
+            return null;
+
+        }
+
+        return position;
+    }
+
+}