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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/NoranProtocolDecoder.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/NoranProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/NoranProtocolDecoder.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/NoranProtocolDecoder.java b/src/main/java/org/traccar/protocol/NoranProtocolDecoder.java new file mode 100644 index 000000000..53dae7fd6 --- /dev/null +++ b/src/main/java/org/traccar/protocol/NoranProtocolDecoder.java @@ -0,0 +1,164 @@ +/* + * Copyright 2013 - 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.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.BitUtil; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; +import java.text.DateFormat; +import java.text.SimpleDateFormat; + +public class NoranProtocolDecoder extends BaseProtocolDecoder { + + public NoranProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_UPLOAD_POSITION = 0x0008; + public static final int MSG_UPLOAD_POSITION_NEW = 0x0032; + public static final int MSG_CONTROL = 0x0002; + public static final int MSG_CONTROL_RESPONSE = 0x8009; + public static final int MSG_ALARM = 0x0003; + public static final int MSG_SHAKE_HAND = 0x0000; + public static final int MSG_SHAKE_HAND_RESPONSE = 0x8000; + public static final int MSG_IMAGE_SIZE = 0x0200; + public static final int MSG_IMAGE_PACKET = 0x0201; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedShortLE(); // length + int type = buf.readUnsignedShortLE(); + + if (type == MSG_SHAKE_HAND && channel != null) { + + ByteBuf response = Unpooled.buffer(13); + response.writeCharSequence("\r\n*KW", StandardCharsets.US_ASCII); + response.writeByte(0); + response.writeShortLE(response.capacity()); + response.writeShortLE(MSG_SHAKE_HAND_RESPONSE); + response.writeByte(1); // status + response.writeCharSequence("\r\n", StandardCharsets.US_ASCII); + + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + + } else if (type == MSG_UPLOAD_POSITION || type == MSG_UPLOAD_POSITION_NEW + || type == MSG_CONTROL_RESPONSE || type == MSG_ALARM) { + + boolean newFormat = false; + if (type == MSG_UPLOAD_POSITION && buf.readableBytes() == 48 + || type == MSG_ALARM && buf.readableBytes() == 48 + || type == MSG_CONTROL_RESPONSE && buf.readableBytes() == 57) { + newFormat = true; + } + + Position position = new Position(getProtocolName()); + + if (type == MSG_CONTROL_RESPONSE) { + buf.readUnsignedIntLE(); // GIS ip + buf.readUnsignedIntLE(); // GIS port + } + + position.setValid(BitUtil.check(buf.readUnsignedByte(), 0)); + + short alarm = buf.readUnsignedByte(); + switch (alarm) { + case 1: + position.set(Position.KEY_ALARM, Position.ALARM_SOS); + break; + case 2: + position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED); + break; + case 3: + position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE_EXIT); + break; + case 9: + position.set(Position.KEY_ALARM, Position.ALARM_POWER_OFF); + break; + default: + break; + } + + if (newFormat) { + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedIntLE())); + position.setCourse(buf.readFloatLE()); + } else { + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.setCourse(buf.readUnsignedShortLE()); + } + position.setLongitude(buf.readFloatLE()); + position.setLatitude(buf.readFloatLE()); + + if (!newFormat) { + long timeValue = buf.readUnsignedIntLE(); + DateBuilder dateBuilder = new DateBuilder() + .setYear((int) BitUtil.from(timeValue, 26)) + .setMonth((int) BitUtil.between(timeValue, 22, 26)) + .setDay((int) BitUtil.between(timeValue, 17, 22)) + .setHour((int) BitUtil.between(timeValue, 12, 17)) + .setMinute((int) BitUtil.between(timeValue, 6, 12)) + .setSecond((int) BitUtil.to(timeValue, 6)); + position.setTime(dateBuilder.getDate()); + } + + ByteBuf rawId; + if (newFormat) { + rawId = buf.readSlice(12); + } else { + rawId = buf.readSlice(11); + } + String id = rawId.toString(StandardCharsets.US_ASCII).replaceAll("[^\\p{Print}]", ""); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + if (newFormat) { + DateFormat dateFormat = new SimpleDateFormat("yy-MM-dd HH:mm:ss"); + position.setTime(dateFormat.parse(buf.readSlice(17).toString(StandardCharsets.US_ASCII))); + buf.readByte(); + } + + if (!newFormat) { + position.set(Position.PREFIX_IO + 1, buf.readUnsignedByte()); + position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedByte()); + } else if (type == MSG_UPLOAD_POSITION_NEW) { + position.set(Position.PREFIX_TEMP + 1, buf.readShortLE()); + position.set(Position.KEY_ODOMETER, buf.readFloatLE()); + } + + return position; + } + + return null; + } + +} |