diff options
Diffstat (limited to 'src/org/traccar/protocol/FlextrackProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/FlextrackProtocolDecoder.java | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/FlextrackProtocolDecoder.java b/src/org/traccar/protocol/FlextrackProtocolDecoder.java new file mode 100644 index 000000000..e55324db4 --- /dev/null +++ b/src/org/traccar/protocol/FlextrackProtocolDecoder.java @@ -0,0 +1,167 @@ +/* + * Copyright 2015 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.helper.Crc; +import org.traccar.helper.PatternUtil; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Event; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.Calendar; +import java.util.TimeZone; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class FlextrackProtocolDecoder extends BaseProtocolDecoder { + + public FlextrackProtocolDecoder(FlextrackProtocol protocol) { + super(protocol); + } + + private static final Pattern patternLogon = Pattern.compile( + "(-?\\d+)," + // Index + "LOGON," + + "(\\d+)," + // Node ID + "(\\d+)"); // ICCID + + private static final Pattern pattern = Pattern.compile( + "(-?\\d+)," + // Index + "UNITSTAT," + + "(\\d{4})(\\d{2})(\\d{2})," + // Date (YYYYMMDD) + "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS) + "\\d+," + // Node ID + "([NS])(\\d+)\\.(\\d+\\.\\d+)," + // Longitude + "([EW])(\\d+)\\.(\\d+\\.\\d+)," + // Latitude + "(\\d+)," + // Speed + "(\\d+)," + // Course + "(\\d+)," + // Satellites + "(\\d+)," + // Battery + "(-?\\d+)," + // GSM + "(\\p{XDigit}+)," + // State + "(\\d{3})" + // MCC + "(\\d{2})," + // MNC + "(-?\\d+)," + // Altitude + "(\\d+)," + // HDOP + "(\\p{XDigit}+)," + // Cell + "\\d+," + // GPS fix time + "(\\d+)," + // LAC + "(\\d+)"); // Odometer + + private void sendAcknowledgement(Channel channel, String index) { + if (channel != null) { + channel.write(index + ",ACK\r"); + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) + throws Exception { + + String sentence = (String) msg; + + String x = PatternUtil.checkPattern(pattern.pattern(), sentence); + + if (sentence.contains("LOGON")) { + + Matcher parser = patternLogon.matcher(sentence); + if (parser.matches()) { + return null; + } + + int index = 1; + + sendAcknowledgement(channel, parser.group(index++)); + + String id = parser.group(index++); + String iccid = parser.group(index++); + + if (!identify(iccid, channel, null, false)) { + if (!identify(id, channel)) { + return null; + } + } + + } else if (sentence.contains("UNITSTAT")) { + + Matcher parser = pattern.matcher(sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + int index = 1; + + sendAcknowledgement(channel, parser.group(index++)); + + // Time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.YEAR, Integer.valueOf(parser.group(index++))); + time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1); + time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++))); + time.set(Calendar.HOUR_OF_DAY, Integer.valueOf(parser.group(index++))); + time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++))); + time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++))); + position.setTime(time.getTime()); + + // Latitude + String hemisphere = parser.group(index++); + double lat = Integer.parseInt(parser.group(index++)); + lat += Double.parseDouble(parser.group(index++)) / 60; + if (hemisphere.equals("S")) { + lat = -lat; + } + position.setLatitude(lat); + + // Longitude + hemisphere = parser.group(index++); + double lon = Integer.parseInt(parser.group(index++)); + lon += Double.parseDouble(parser.group(index++)) / 60; + if (hemisphere.equals("W")) { + lon = -lon; + } + position.setLongitude(lon); + + position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(parser.group(index++)))); + position.setCourse(Integer.parseInt(parser.group(index++))); + + position.set(Event.KEY_SATELLITES, Integer.parseInt(parser.group(index++))); + position.set(Event.KEY_BATTERY, Integer.parseInt(parser.group(index++))); + position.set(Event.KEY_GSM, Integer.parseInt(parser.group(index++))); + position.set(Event.KEY_STATUS, Integer.parseInt(parser.group(index++), 16)); + position.set(Event.KEY_MCC, Integer.parseInt(parser.group(index++))); + position.set(Event.KEY_MNC, Integer.parseInt(parser.group(index++))); + + position.setAltitude(Integer.parseInt(parser.group(index++))); + + position.set(Event.KEY_HDOP, Integer.parseInt(parser.group(index++)) / 10.0); + position.set(Event.KEY_CELL, parser.group(index++)); + position.set(Event.KEY_LAC, parser.group(index++)); + position.set(Event.KEY_ODOMETER, Integer.parseInt(parser.group(index++))); + + return position; + } + + return null; + } + +} |