1 files changed, 104 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/SviasProtocolDecoder.java b/src/org/traccar/protocol/SviasProtocolDecoder.java
new file mode 100644
index 000000000..d6d755e19
--- /dev/null
+++ b/src/org/traccar/protocol/SviasProtocolDecoder.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2018 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.NetworkMessage;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.PatternBuilder;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+import org.traccar.DeviceSession;
+import org.traccar.helper.Parser;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+public class SviasProtocolDecoder extends BaseProtocolDecoder {
+
+    public SviasProtocolDecoder(SviasProtocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("[")                           // delimiter
+            .number("d{4},")                     // hardware version
+            .number("d{4},")                     // software version
+            .number("d+,")                       // index
+            .number("(d+),")                     // imei
+            .number("d+,")                       // hour meter
+            .number("(d+)(dd)(dd),")             // date (dmmyy)
+            .number("(d+)(dd)(dd),")             // time (hmmss)
+            .number("(-?)(d+)(dd)(d{5}),")       // latitude
+            .number("(-?)(d+)(dd)(d{5}),")       // longitude
+            .number("(d+),")                     // speed
+            .number("(d+),")                     // course
+            .number("(d+),")                     // odometer
+            .number("(d+),")                     // input
+            .number("(d+),")                     // output / status
+            .number("(d),")
+            .number("(d),")
+            .number("(d+),")                     // power
+            .number("(d+),")                     // battery level
+            .number("(d+),")                     // rssi
+            .any()
+            .compile();
+
+    @Override
+    protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg)
+            throws Exception {
+
+        if (channel != null) {
+            channel.writeAndFlush(new NetworkMessage("@", remoteAddress));
+        }
+
+        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(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+        position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_MIN));
+        position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_MIN));
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble() * 0.01));
+        position.setCourse(parser.nextDouble() * 0.01);
+
+        position.set(Position.KEY_ODOMETER, parser.nextInt() * 100);
+
+        int input = parser.nextInt();
+        int output = parser.nextInt();
+
+        position.set(Position.KEY_ALARM, BitUtil.check(input, 0) ? Position.ALARM_SOS : null);
+        position.set(Position.KEY_IGNITION, BitUtil.check(input, 4));
+        position.setValid(BitUtil.check(output, 0));
+
+        position.set(Position.KEY_POWER, parser.nextInt() * 0.001);
+        position.set(Position.KEY_BATTERY_LEVEL, parser.nextInt());
+        position.set(Position.KEY_RSSI, parser.nextInt());
+
+        return position;
+    }
+
+}