/*
 * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * 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.buffer.ChannelBuffer;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
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 L100ProtocolDecoder extends BaseProtocolDecoder {

    public L100ProtocolDecoder(L100Protocol protocol) {
        super(protocol);
    }

    private static final Pattern PATTERN = new PatternBuilder()
            .text("ATL")
            .number("(d{15}),")                  // imei
            .text("$GPRMC,")
            .number("(dd)(dd)(dd).ddd,")         // time
            .expression("([AV]),")               // validity
            .number("(dd)(dd.d+),")              // latitude
            .expression("([NS]),")
            .number("(ddd)(dd.d+),")             // longitude
            .expression("([EW]),")
            .number("(d+.?d*)?,")                // speed
            .number("(d+.?d*)?,")                // course
            .number("(dd)(dd)(dd),")             // date
            .any()
            .text("#")
            .number("([01]+),")                  // io status
            .number("(d+.d+|N.C),")              // adc
            .expression("[^,]*,")                // reserved
            .expression("[^,]*,")                // reserved
            .number("(d+.d+),")                  // odometer
            .number("(d+.d+),")                  // temperature
            .number("(d+.d+),")                  // battery
            .number("(d+),")                     // gsm
            .number("(d+),")                     // mcc
            .number("(d+),")                     // mnc
            .number("(d+),")                     // lac
            .number("(d+)")                      // cid
            .text("ATL")
            .compile();

    @Override
    protected Object decode(
            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

        ChannelBuffer buf = (ChannelBuffer) msg;

        buf.readUnsignedByte(); // start marker
        buf.readUnsignedByte(); // type

        String sentence = buf.readBytes(buf.readableBytes() - 2).toString(StandardCharsets.US_ASCII);

        Parser parser = new Parser(PATTERN, sentence);
        if (!parser.matches()) {
            return null;
        }

        Position position = new Position();
        position.setProtocol(getProtocolName());

        if (!identify(parser.next(), channel, remoteAddress)) {
            return null;
        }
        position.setDeviceId(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());
        position.setCourse(parser.nextDouble());

        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
        position.setTime(dateBuilder.getDate());

        position.set(Position.KEY_STATUS, parser.next());
        position.set(Position.PREFIX_ADC + 1, parser.next());
        position.set(Position.KEY_ODOMETER, parser.nextDouble());
        position.set(Position.PREFIX_TEMP + 1, parser.nextDouble());
        position.set(Position.KEY_BATTERY, parser.nextDouble());
        position.set(Position.KEY_GSM, parser.nextInt());
        position.set(Position.KEY_MCC, parser.nextInt());
        position.set(Position.KEY_MNC, parser.nextInt());
        position.set(Position.KEY_LAC, parser.nextInt());
        position.set(Position.KEY_CID, parser.nextInt());

        return position;
    }

}

@@ -770,24 +770,58 @@
 colDecoder;%0A
+import org.traccar.DeviceSession;%0A
 import org.t
@@ -3279,60 +3279,128 @@
     
-if (!identify(parser.next(), channel, remoteAddress)
+DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());%0A        if (deviceSession == null
 ) %7B%0A
@@ -3463,16 +3463,30 @@
 eviceId(
+deviceSession.
 getDevic

Update L100 protocol decoder