diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java new file mode 100644 index 000000000..beaa34125 --- /dev/null +++ b/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java @@ -0,0 +1,198 @@ +/* + * Copyright 2016 - 2019 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.Unpooled; +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.Checksum; +import org.traccar.helper.DataConverter; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.CellTower; +import org.traccar.model.Network; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class FifotrackProtocolDecoder extends BaseProtocolDecoder { + + private ByteBuf photo; + + public FifotrackProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("$$") + .number("d+,") // length + .number("(d+),") // imei + .number("x+,") // index + .expression("[^,]+,") // type + .number("(d+)?,") // alarm + .number("(dd)(dd)(dd)") // date (yymmdd) + .number("(dd)(dd)(dd),") // time (hhmmss) + .number("([AV]),") // validity + .number("(-?d+.d+),") // latitude + .number("(-?d+.d+),") // longitude + .number("(d+),") // speed + .number("(d+),") // course + .number("(-?d+),") // altitude + .number("(d+),") // odometer + .number("d+,") // runtime + .number("(xxxx),") // status + .number("(x+)?,") // input + .number("(x+)?,") // output + .number("(d+)|") // mcc + .number("(d+)|") // mnc + .number("(x+)|") // lac + .number("(x+),") // cid + .number("([x|]+)") // adc + .expression(",([^,]+)") // rfid + .expression(",([^*]+)").optional(2) // sensors + .any() + .compile(); + + private static final Pattern PATTERN_PHOTO = new PatternBuilder() + .text("$$") + .number("d+,") // length + .number("(d+),") // imei + .any() + .number(",(d+),") // length + .expression("([^*]+)") // photo id + .text("*") + .number("xx") + .compile(); + + private static final Pattern PATTERN_PHOTO_DATA = new PatternBuilder() + .text("$$") + .number("d+,") // length + .number("(d+),") // imei + .expression("([^*]+),") // photo id + .number("(d+),") // offset + .number("(d+),") // size + .number("(x+)") // data + .text("*") + .number("xx") + .compile(); + + private void requestPhoto(Channel channel, SocketAddress socketAddress, String imei, String file) { + if (channel != null) { + String content = "D06," + file + "," + photo.writerIndex() + "," + Math.min(1024, photo.writableBytes()); + int length = 1 + imei.length() + 1 + content.length() + 5; + String response = String.format("@@%02d,%s,%s*", length, imei, content); + response += Checksum.sum(response) + "\r\n"; + channel.writeAndFlush(new NetworkMessage(response, socketAddress)); + } + } + + private Object decodeLocation( + Channel channel, SocketAddress remoteAddress, String sentence) { + + Parser parser = new Parser(PATTERN, sentence); + 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.set(Position.KEY_ALARM, parser.next()); + + position.setTime(parser.nextDateTime()); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextDouble(0)); + position.setLongitude(parser.nextDouble(0)); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt(0))); + position.setCourse(parser.nextInt(0)); + position.setAltitude(parser.nextInt(0)); + + position.set(Position.KEY_ODOMETER, parser.nextLong(0)); + position.set(Position.KEY_STATUS, parser.nextHexInt(0)); + if (parser.hasNext()) { + position.set(Position.KEY_INPUT, parser.nextHexInt(0)); + } + if (parser.hasNext()) { + position.set(Position.KEY_OUTPUT, parser.nextHexInt(0)); + } + + position.setNetwork(new Network(CellTower.from( + parser.nextInt(0), parser.nextInt(0), parser.nextHexInt(0), parser.nextHexInt(0)))); + + String[] adc = parser.next().split("\\|"); + for (int i = 0; i < adc.length; i++) { + position.set(Position.PREFIX_ADC + (i + 1), Integer.parseInt(adc[i], 16)); + } + + position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next()); + + if (parser.hasNext()) { + String[] sensors = parser.next().split("\\|"); + for (int i = 0; i < sensors.length; i++) { + position.set(Position.PREFIX_IO + (i + 1), sensors[i]); + } + } + + return position; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + int typeIndex = sentence.indexOf(',', sentence.indexOf(',', sentence.indexOf(',') + 1) + 1) + 1; + String type = sentence.substring(typeIndex, typeIndex + 3); + + if (type.equals("D05")) { + Parser parser = new Parser(PATTERN_PHOTO, sentence); + if (parser.matches()) { + String imei = parser.next(); + int length = parser.nextInt(); + String photoId = parser.next(); + photo = Unpooled.buffer(length); + requestPhoto(channel, remoteAddress, imei, photoId); + } + } else if (type.equals("D06")) { + Parser parser = new Parser(PATTERN_PHOTO_DATA, sentence); + if (parser.matches()) { + String imei = parser.next(); + String photoId = parser.next(); + parser.nextInt(); // offset + parser.nextInt(); // size + photo.writeBytes(DataConverter.parseHex(parser.next())); + requestPhoto(channel, remoteAddress, imei, photoId); + } + } else { + return decodeLocation(channel, remoteAddress, sentence); + } + + return null; + } + +} |