From c31417c85f80854e33267ac23fb5636885954e83 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 29 Dec 2019 13:28:41 -0800 Subject: Implement PST open protocol --- .../java/org/traccar/protocol/PstFrameDecoder.java | 51 ++++++++++ .../java/org/traccar/protocol/PstProtocol.java | 40 ++++++++ .../org/traccar/protocol/PstProtocolDecoder.java | 111 +++++++++++++++++++++ 3 files changed, 202 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/PstFrameDecoder.java create mode 100644 src/main/java/org/traccar/protocol/PstProtocol.java create mode 100644 src/main/java/org/traccar/protocol/PstProtocolDecoder.java (limited to 'src/main') diff --git a/src/main/java/org/traccar/protocol/PstFrameDecoder.java b/src/main/java/org/traccar/protocol/PstFrameDecoder.java new file mode 100644 index 000000000..dbafd1476 --- /dev/null +++ b/src/main/java/org/traccar/protocol/PstFrameDecoder.java @@ -0,0 +1,51 @@ +/* + * Copyright 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 io.netty.channel.ChannelHandlerContext; +import org.traccar.BaseFrameDecoder; + +public class PstFrameDecoder extends BaseFrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { + + while (buf.isReadable() && buf.getByte(buf.readerIndex()) == 0x28) { + buf.skipBytes(1); + } + + int endIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x29); + if (endIndex > 0) { + ByteBuf result = Unpooled.buffer(endIndex - buf.readerIndex()); + while (buf.readerIndex() < endIndex) { + int b = buf.readUnsignedByte(); + if (b == 0x27) { + b = buf.readUnsignedByte() ^ 0x40; + } + result.writeByte(b); + } + buf.skipBytes(1); + return result; + } + + return null; + } + +} diff --git a/src/main/java/org/traccar/protocol/PstProtocol.java b/src/main/java/org/traccar/protocol/PstProtocol.java new file mode 100644 index 000000000..0ed9affd8 --- /dev/null +++ b/src/main/java/org/traccar/protocol/PstProtocol.java @@ -0,0 +1,40 @@ +/* + * Copyright 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 org.traccar.BaseProtocol; +import org.traccar.PipelineBuilder; +import org.traccar.TrackerServer; + +public class PstProtocol extends BaseProtocol { + + public PstProtocol() { + addServer(new TrackerServer(true, getName()) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline) { + pipeline.addLast(new PstProtocolDecoder(PstProtocol.this)); + } + }); + addServer(new TrackerServer(false, getName()) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline) { + pipeline.addLast(new PstFrameDecoder()); + pipeline.addLast(new PstProtocolDecoder(PstProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/PstProtocolDecoder.java b/src/main/java/org/traccar/protocol/PstProtocolDecoder.java new file mode 100644 index 000000000..40caa9727 --- /dev/null +++ b/src/main/java/org/traccar/protocol/PstProtocolDecoder.java @@ -0,0 +1,111 @@ +/* + * Copyright 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.BitUtil; +import org.traccar.helper.DateBuilder; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.Date; + +public class PstProtocolDecoder extends BaseProtocolDecoder { + + public PstProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_STATUS = 0x05; + + private Date readDate(ByteBuf buf) { + long value = buf.readUnsignedInt(); + return new DateBuilder() + .setYear((int) BitUtil.between(value, 26, 32)) + .setMonth((int) BitUtil.between(value, 22, 26)) + .setDay((int) BitUtil.between(value, 17, 22)) + .setMonth((int) BitUtil.between(value, 12, 17)) + .setMonth((int) BitUtil.between(value, 6, 12)) + .setMonth((int) BitUtil.between(value, 0, 6)).getDate(); + } + + private double readCoordinate(ByteBuf buf) { + long value = buf.readUnsignedInt(); + return (BitUtil.from(value, 16) + BitUtil.to(value, 16) * 0.00001) / 60; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + String id = String.valueOf(buf.readUnsignedInt()); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); + if (deviceSession == null) { + return null; + } + + buf.readUnsignedByte(); // version + buf.readUnsignedInt(); // index + + int type = buf.readUnsignedByte(); + + if (type == MSG_STATUS) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setDeviceTime(readDate(buf)); + + buf.readUnsignedByte(); + + int count = buf.readUnsignedByte(); + for (int i = 0; i < count; i++) { + + int tag = buf.readUnsignedByte(); + int length = buf.readUnsignedByte(); + + switch (tag) { + case 0x0D: + position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte() * 5); + break; + case 0x10: + position.setFixTime(readDate(buf)); + position.setLatitude(readCoordinate(buf)); + position.setLongitude(readCoordinate(buf)); + position.setSpeed(buf.readUnsignedByte()); + position.setCourse(buf.readUnsignedByte() * 2); + position.setAltitude(buf.readShort()); + buf.readUnsignedInt(); // gps condition + break; + default: + buf.skipBytes(length); + break; + } + } + + return position; + } + + return null; + } + +} -- cgit v1.2.3