1 files changed, 139 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/TekProtocolDecoder.java b/src/main/java/org/traccar/protocol/TekProtocolDecoder.java
new file mode 100644
index 000000000..a9101e65f
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/TekProtocolDecoder.java
@@ -0,0 +1,139 @@
+/*
+ * 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.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+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.nio.charset.StandardCharsets;
+import java.util.regex.Pattern;
+
+public class TekProtocolDecoder extends BaseProtocolDecoder {
+
+    public TekProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .number(",d+,")
+            .number("(dd)(dd)(dd).d,")           // time (hhmmss)
+            .number("(dd)(dd.d+)")               // latitude
+            .expression("([NS]),")
+            .number("(ddd)(dd.d+)")              // longitude
+            .expression("([EW]),")
+            .number("(d+.d+),")                  // hdop
+            .number("(d+.d+),")                  // altitude
+            .number("(d+),")                     // fix mode
+            .number("(d+.d+),")                  // course
+            .number("d+.d+,")                    // speed km
+            .number("(d+.d+),")                  // speed kn
+            .number("(dd)(dd)(dd),")             // date (ddmmyy)
+            .number("(d+),")                     // satellites
+            .any()
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        buf.readUnsignedByte(); // product type
+        buf.readUnsignedByte(); // hardware version
+        buf.readUnsignedByte(); // firmware version
+        buf.readUnsignedByte(); // contact reason
+        buf.readUnsignedByte(); // alarm / status
+        buf.readUnsignedByte(); // rssi
+        buf.readUnsignedByte(); // battery / status
+
+        String imei = ByteBufUtil.hexDump(buf.readBytes(8)).substring(1);
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        int type = BitUtil.to(buf.readUnsignedByte(), 6);
+        buf.readUnsignedByte(); // length
+
+        if (type == 4 || type == 8) {
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            int count = buf.readUnsignedShort();
+            buf.readUnsignedByte(); // hours / tickets
+            buf.readUnsignedByte(); // error code
+            buf.readUnsignedByte(); // reserved
+            buf.readUnsignedByte(); // logger speed
+            buf.readUnsignedByte(); // login time
+            buf.readUnsignedByte(); // minutes
+
+            for (int i = 0; i < count; i++) {
+                position.set("rssi" + (i + 1), buf.readUnsignedByte());
+                position.set("temp" + (i + 1), buf.readUnsignedByte() - 30);
+                int data = buf.readUnsignedShort();
+                position.set("src" + (i + 1), BitUtil.from(data, 10));
+                position.set("ullage" + (i + 1), BitUtil.to(data, 10));
+            }
+
+            return position;
+
+        } else if (type == 17) {
+
+            String sentence = buf.toString(StandardCharsets.US_ASCII);
+
+            Parser parser = new Parser(PATTERN, sentence);
+            if (!parser.matches()) {
+                return null;
+            }
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+
+            position.setLatitude(parser.nextCoordinate());
+            position.setLongitude(parser.nextCoordinate());
+
+            position.set(Position.KEY_HDOP, parser.nextDouble());
+
+            position.setAltitude(parser.nextDouble());
+            position.setValid(parser.nextInt() > 0);
+            position.setCourse(parser.nextDouble());
+            position.setSpeed(parser.nextDouble());
+
+            dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+            position.setTime(dateBuilder.getDate());
+
+            return position;
+
+        }
+
+        return null;
+    }
+
+}