Implement VTFMS protocol

1 files changed, 141 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/VtfmsProtocolDecoder.java b/src/org/traccar/protocol/VtfmsProtocolDecoder.java
new file mode 100644
index 000000000..9f8cea04f
--- /dev/null
+++ b/src/org/traccar/protocol/VtfmsProtocolDecoder.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2017 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 org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class VtfmsProtocolDecoder extends BaseProtocolDecoder {
+
+    public VtfmsProtocolDecoder(VtfmsProtocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("(")
+            .number("(d{15}),")                  // imei
+            .number("[0-9A-Z]{3}dd,")               // packet count
+            .number("(dd),")                     // packet id
+            .number("[^,]*,")                    // reserved
+            .number("(d+),")                     // rssi
+            .number("d+,")                       // fix status
+            .number("(d+),")                     // satellites
+            .number("[^,]*,")                    // reserved
+            .expression("([AV]),")               // validity
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(dd)(dd)(dd),")             // time (ddmmyy)
+            .number("(-?d+.d+),")                // latitude
+            .number("(-?d+.d+),")                // longitude
+            .number("(d+),")                     // course
+            .number("(d+),")                     // speed
+            .number("(d+),")                     // hours
+            .number("(d+),")                     // idle hours
+            .expression("[KNT],")                // antenna status
+            .number("(d+),")                     // odometer
+            .expression("([01]),")               // power status
+            .number("(d+.d+),")                  // power voltage
+            .number("[^,]*,")                    // reserved
+            .number("(d+),")                     // fuel level
+            .number("(d+.d+),")                  // adc 1
+            .number("[^,]*,")                    // reserved
+            .number("(d+.d+),")                  // adc 2
+            .expression("([01]),")               // di 1
+            .expression("([01]),")               // di 2
+            .expression("([01]),")               // di 3
+            .expression("([01]),")               // di 4
+            .expression("([01]),")               // do 1
+            .expression("([01]),")               // do 2
+            .expression("([01]),")               // do 3
+            .number("[^,]*,")                    // reserved
+            .number("[^,]*")                     // reserved
+            .text(")")
+            .number("ddd")                       // checksum
+            .compile();
+
+    private String decodeAlarm(int value) {
+        switch (value) {
+            case 10:
+                return Position.ALARM_OVERSPEED;
+            case 14:
+                return Position.ALARM_POWER_CUT;
+            case 15:
+                return Position.ALARM_POWER_RESTORED;
+            case 32:
+                return Position.ALARM_BREAKING;
+            case 33:
+                return Position.ALARM_ACCELERATION;
+            default:
+                return null;
+        }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        Parser parser = new Parser(PATTERN, (String) msg);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position();
+        position.setProtocol(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.set(Position.KEY_ALARM, decodeAlarm(parser.nextInt()));
+        position.set(Position.KEY_RSSI, parser.nextInt());
+        position.set(Position.KEY_SATELLITES, parser.nextInt());
+
+        position.setValid(parser.next().equals("A"));
+        position.setTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY));
+        position.setLatitude(parser.nextDouble(0));
+        position.setLongitude(parser.nextDouble(0));
+        position.setCourse(parser.nextDouble(0));
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
+
+        position.set(Position.KEY_HOURS, parser.nextInt());
+        position.set("idleHours", parser.nextInt());
+        position.set(Position.KEY_ODOMETER, parser.nextInt() * 100);
+        position.set(Position.KEY_CHARGE, parser.next().equals("1"));
+        position.set(Position.KEY_POWER, parser.nextDouble());
+        position.set(Position.KEY_FUEL_LEVEL, parser.nextInt());
+        position.set(Position.PREFIX_ADC + 1, parser.nextDouble());
+        position.set(Position.PREFIX_ADC + 2, parser.nextDouble());
+        position.set(Position.PREFIX_IN + 1, parser.nextInt());
+        position.set(Position.PREFIX_IN + 2, parser.nextInt());
+        position.set(Position.PREFIX_IN + 3, parser.nextInt());
+        position.set(Position.PREFIX_IN + 4, parser.nextInt());
+        position.set(Position.PREFIX_OUT + 1, parser.nextInt());
+        position.set(Position.PREFIX_OUT + 2, parser.nextInt());
+        position.set(Position.PREFIX_OUT + 3, parser.nextInt());
+
+        return position;
+    }
+
+}