diff options
Diffstat (limited to 'src')
3 files changed, 199 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/RetranslatorFrameDecoder.java b/src/org/traccar/protocol/RetranslatorFrameDecoder.java new file mode 100644 index 000000000..1836fb26e --- /dev/null +++ b/src/org/traccar/protocol/RetranslatorFrameDecoder.java @@ -0,0 +1,38 @@ +/* + * Copyright 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 org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.handler.codec.frame.FrameDecoder; + +public class RetranslatorFrameDecoder extends FrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { + + int length = 4 + ChannelBuffers.swapInt(buf.getInt(buf.readerIndex())); + if (buf.readableBytes() >= length) { + return buf.readBytes(length); + } else { + return null; + } + } + +} diff --git a/src/org/traccar/protocol/RetranslatorProtocol.java b/src/org/traccar/protocol/RetranslatorProtocol.java new file mode 100644 index 000000000..0421390b2 --- /dev/null +++ b/src/org/traccar/protocol/RetranslatorProtocol.java @@ -0,0 +1,42 @@ +/* + * Copyright 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 org.jboss.netty.bootstrap.ServerBootstrap; +import org.jboss.netty.channel.ChannelPipeline; +import org.traccar.BaseProtocol; +import org.traccar.TrackerServer; + +import java.util.List; + +public class RetranslatorProtocol extends BaseProtocol { + + public RetranslatorProtocol() { + super("retranslator"); + } + + @Override + public void initTrackerServers(List<TrackerServer> serverList) { + serverList.add(new TrackerServer(new ServerBootstrap(), getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new RetranslatorFrameDecoder()); + pipeline.addLast("objectDecoder", new RetranslatorProtocolDecoder(RetranslatorProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/RetranslatorProtocolDecoder.java b/src/org/traccar/protocol/RetranslatorProtocolDecoder.java new file mode 100644 index 000000000..756b0bcaf --- /dev/null +++ b/src/org/traccar/protocol/RetranslatorProtocolDecoder.java @@ -0,0 +1,119 @@ +/* + * Copyright 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 org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.ByteOrder; +import java.nio.charset.StandardCharsets; +import java.util.Date; + +public class RetranslatorProtocolDecoder extends BaseProtocolDecoder { + + public RetranslatorProtocolDecoder(RetranslatorProtocol protocol) { + super(protocol); + } + + private double readDouble(ChannelBuffer buf) { + byte[] bytes = new byte[8]; + buf.readBytes(bytes); + return ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, bytes).readDouble(); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + if (channel != null) { + channel.write(ChannelBuffers.wrappedBuffer(new byte[]{0x11})); + } + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.readUnsignedInt(); // length + + int idLength = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x00) - buf.readerIndex(); + String id = buf.readBytes(idLength).toString(StandardCharsets.US_ASCII); + buf.readByte(); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + position.setTime(new Date(buf.readUnsignedInt() * 1000)); + + buf.readUnsignedInt(); // bit flags + + while (buf.readable()) { + + buf.readUnsignedShort(); // block type + int blockEnd = buf.readInt() + buf.readerIndex(); + buf.readUnsignedByte(); // security attribute + int dataType = buf.readUnsignedByte(); + + int nameLength = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x00) - buf.readerIndex(); + String name = buf.readBytes(nameLength).toString(StandardCharsets.US_ASCII); + buf.readByte(); + + if (name.equals("posinfo")) { + position.setValid(true); + position.setLongitude(readDouble(buf)); + position.setLatitude(readDouble(buf)); + position.setAltitude(readDouble(buf)); + position.setSpeed(buf.readShort()); + position.setCourse(buf.readShort()); + position.set(Position.KEY_SATELLITES, buf.readByte()); + } else { + switch (dataType) { + case 1: + int len = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x00) - buf.readerIndex(); + position.set(name, buf.readBytes(len).toString(StandardCharsets.US_ASCII)); + buf.readByte(); + break; + case 3: + position.set(name, buf.readInt()); + break; + case 4: + position.set(name, readDouble(buf)); + break; + case 5: + position.set(name, buf.readLong()); + break; + default: + break; + } + } + + buf.readerIndex(blockEnd); + + } + + if (position.getLatitude() == 0 && position.getLongitude() == 0) { + getLastLocation(position, position.getDeviceTime()); + } + + return position; + } + +} |