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author | Anton Tananaev <anton@traccar.org> | 2023-10-28 20:32:09 -0700 |
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committer | Anton Tananaev <anton@traccar.org> | 2023-10-28 20:32:09 -0700 |
commit | 29b9ec9ddcd8248b8a8398a2c714a8f52c0581d8 (patch) | |
tree | c36a96662a0679b970c0b1adbb39d86b5c598ad1 /src/main/java/org/traccar | |
parent | 6878beaa6856c378b0df0c17b8a4c689fd752cfa (diff) | |
download | trackermap-server-29b9ec9ddcd8248b8a8398a2c714a8f52c0581d8.tar.gz trackermap-server-29b9ec9ddcd8248b8a8398a2c714a8f52c0581d8.tar.bz2 trackermap-server-29b9ec9ddcd8248b8a8398a2c714a8f52c0581d8.zip |
Basic Positrex protocol support
Diffstat (limited to 'src/main/java/org/traccar')
-rw-r--r-- | src/main/java/org/traccar/protocol/PositrexProtocol.java | 36 | ||||
-rw-r--r-- | src/main/java/org/traccar/protocol/PositrexProtocolDecoder.java | 106 |
2 files changed, 142 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/PositrexProtocol.java b/src/main/java/org/traccar/protocol/PositrexProtocol.java new file mode 100644 index 000000000..67b8f2189 --- /dev/null +++ b/src/main/java/org/traccar/protocol/PositrexProtocol.java @@ -0,0 +1,36 @@ +/* + * Copyright 2023 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 jakarta.inject.Inject; +import org.traccar.BaseProtocol; +import org.traccar.PipelineBuilder; +import org.traccar.TrackerServer; +import org.traccar.config.Config; + +public class PositrexProtocol extends BaseProtocol { + + @Inject + public PositrexProtocol(Config config) { + addServer(new TrackerServer(config, getName(), false) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline, Config config) { + pipeline.addLast(new PositrexProtocolDecoder(PositrexProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/PositrexProtocolDecoder.java b/src/main/java/org/traccar/protocol/PositrexProtocolDecoder.java new file mode 100644 index 000000000..8726bc831 --- /dev/null +++ b/src/main/java/org/traccar/protocol/PositrexProtocolDecoder.java @@ -0,0 +1,106 @@ +/* + * Copyright 2023 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +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 org.traccar.session.DeviceSession; + +import java.net.SocketAddress; +import java.util.Date; + +public class PositrexProtocolDecoder extends BaseProtocolDecoder { + + public PositrexProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_PING = 0x2E; + + private Date readTime(ByteBuf buf) { + long time = buf.readUnsignedInt(); + DateBuilder dateBuilder = new DateBuilder(); + dateBuilder.setSecond((int) (time % 60)); + time /= 60; + dateBuilder.setMinute((int) (time % 60)); + time /= 60; + dateBuilder.setHour((int) (time % 24)); + time /= 24; + dateBuilder.setDay((int) (time % 32)); + time /= 32; + dateBuilder.setMonth((int) (time % 13)); + dateBuilder.setYear((int) (2000 + time / 13)); + return dateBuilder.getDate(); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + int first = buf.getUnsignedByte(buf.readerIndex()); + int second = buf.getUnsignedByte(buf.readerIndex() + 1); + long deviceId; + if (BitUtil.check(first, 7)) { + if (BitUtil.check(first, 6)) { + deviceId = 73000000 + BitUtil.to(buf.readUnsignedInt(), 30); + } else if (second == 0) { + deviceId = 7590000 + BitUtil.to(buf.readUnsignedMedium(), 20); + } else { + deviceId = 70000000 + BitUtil.to(buf.readUnsignedMedium(), 20); + } + } else { + deviceId = 7560000 + buf.readUnsignedShort(); + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(deviceId)); + if (deviceSession == null) { + return null; + } + + int service = buf.readUnsignedByte(); + if (service == MSG_PING) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(readTime(buf)); + + int latitude = buf.readMedium(); + int longitude = buf.readMedium(); + + position.setValid(BitUtil.check(latitude, 23)); + position.setLatitude(BitUtil.to(latitude, 23) * 0.000025); + position.setLongitude(longitude * 0.000025); + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.setCourse(buf.readUnsignedByte() * 2); + + return position; + + } + + return null; + } + +} |