Implement Race Dynamics protocol

1 files changed, 141 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/RaceDynamicsProtocolDecoder.java b/src/main/java/org/traccar/protocol/RaceDynamicsProtocolDecoder.java
new file mode 100644
index 000000000..33b08115d
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/RaceDynamicsProtocolDecoder.java
@@ -0,0 +1,141 @@
+/*
+ * 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.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+public class RaceDynamicsProtocolDecoder extends BaseProtocolDecoder {
+
+    public RaceDynamicsProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    public static final int MSG_LOGIN = 12;
+    public static final int MSG_LOCATION = 15;
+
+    private static final Pattern PATTERN_LOGIN = new PatternBuilder()
+            .text("$GPRMC,")
+            .number("d+,")                       // type
+            .number("d{6},")                     // date
+            .number("d{6},")                     // time
+            .number("(d{15}),")
+            .compile();
+
+    private static final Pattern PATTERN_LOCATION = new PatternBuilder()
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .expression("([AV]),")               // validity
+            .number("(dd)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(ddd)(dd.d+),")             // longitude
+            .expression("([EW]),")
+            .number("(d+),")                     // speed
+            .number("(dd)(dd)(dd),")             // date (ddmmyy)
+            .number("(-?d+),")                   // altitude
+            .number("(d+),")                     // satellites
+            .number("([01]),")                   // ignition
+            .number("(d+),")                     // index
+            .text("%,")
+            .number("([^,]+),")                  // ibutton
+            .number("d+,")                       // acceleration
+            .number("d+,")                       // deceleration
+            .number("[01],")                     // cruise control
+            .number("[01],")                     // seat belt
+            .number("[01],")                     // wrong ibutton
+            .number("(d+),")                     // power
+            .number("[01],")                     // power status
+            .number("(d+),")                     // battery
+            .any()
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+
+        int type = Integer.parseInt(sentence.substring(7, 9));
+
+        if (type == MSG_LOGIN) {
+
+            Parser parser = new Parser(PATTERN_LOGIN, sentence);
+            if (parser.matches()) {
+                getDeviceSession(channel, remoteAddress, parser.next());
+                if (channel != null) {
+                    channel.writeAndFlush(new NetworkMessage(sentence + "\r\n", remoteAddress));
+                }
+            }
+
+        } else if (type == MSG_LOCATION) {
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+            if (deviceSession == null) {
+                return null;
+            }
+
+            List<Position> positions = new LinkedList<>();
+
+            for (String data : sentence.substring(17, sentence.length() - 3).split(",#,#,")) {
+                Parser parser = new Parser(PATTERN_LOCATION, data);
+                if (parser.matches()) {
+
+                    Position position = new Position(getProtocolName());
+                    position.setDeviceId(deviceSession.getDeviceId());
+
+                    DateBuilder dateBuilder = new DateBuilder()
+                            .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+
+                    position.setValid(parser.next().equals("A"));
+                    position.setLatitude(parser.nextCoordinate());
+                    position.setLongitude(parser.nextCoordinate());
+                    position.setSpeed(parser.nextDouble());
+
+                    dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+                    position.setTime(dateBuilder.getDate());
+
+                    position.setAltitude(parser.nextInt());
+                    position.set(Position.KEY_SATELLITES, parser.nextInt());
+                    position.set(Position.KEY_IGNITION, parser.nextInt() == 1);
+                    position.set(Position.KEY_INDEX, parser.nextInt());
+                    position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+                    position.set(Position.KEY_POWER, parser.nextInt() * 0.01);
+                    position.set(Position.KEY_BATTERY, parser.nextInt() * 0.01);
+
+                    positions.add(position);
+
+                }
+            }
+
+            return positions;
+
+        }
+
+        return null;
+    }
+
+}