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author | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
commit | 59416923dcb3a756eaf532cc4259f2f6625c0762 (patch) | |
tree | 9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/TrackboxProtocolDecoder.java | |
parent | 79a129dd6327d932133d6b9a50190d3f4927bff9 (diff) | |
download | trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.gz trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.bz2 trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.zip |
Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/TrackboxProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/TrackboxProtocolDecoder.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/TrackboxProtocolDecoder.java b/src/main/java/org/traccar/protocol/TrackboxProtocolDecoder.java new file mode 100644 index 000000000..db8022738 --- /dev/null +++ b/src/main/java/org/traccar/protocol/TrackboxProtocolDecoder.java @@ -0,0 +1,110 @@ +/* + * Copyright 2014 - 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.DeviceSession; +import org.traccar.NetworkMessage; +import org.traccar.Protocol; +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.util.regex.Pattern; + +public class TrackboxProtocolDecoder extends BaseProtocolDecoder { + + public TrackboxProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .number("(dd)(dd)(dd).(ddd),") // time (hhmmss.sss) + .number("(dd)(dd.dddd)([NS]),") // latitude + .number("(ddd)(dd.dddd)([EW]),") // longitude + .number("(d+.d),") // hdop + .number("(-?d+.?d*),") // altitude + .number("(d),") // fix type + .number("(d+.d+),") // course + .number("d+.d+,") // speed (kph) + .number("(d+.d+),") // speed (knots) + .number("(dd)(dd)(dd),") // date (ddmmyy) + .number("(d+)") // satellites + .compile(); + + private void sendResponse(Channel channel, SocketAddress remoteAddress) { + if (channel != null) { + channel.writeAndFlush(new NetworkMessage("=OK=\r\n", remoteAddress)); + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + if (sentence.startsWith("a=connect")) { + String id = sentence.substring(sentence.indexOf("i=") + 2); + if (getDeviceSession(channel, remoteAddress, id) != null) { + sendResponse(channel, remoteAddress); + } + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + Parser parser = new Parser(PATTERN, sentence); + if (!parser.matches()) { + return null; + } + sendResponse(channel, remoteAddress); + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + + position.set(Position.KEY_HDOP, parser.nextDouble()); + + position.setAltitude(parser.nextDouble(0)); + + int fix = parser.nextInt(0); + position.set(Position.KEY_GPS, fix); + position.setValid(fix > 0); + + position.setCourse(parser.nextDouble(0)); + position.setSpeed(parser.nextDouble(0)); + + dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + position.set(Position.KEY_SATELLITES, parser.nextInt()); + + return position; + } + +} |