diff options
Diffstat (limited to 'src/main/java')
3 files changed, 66 insertions, 11 deletions
diff --git a/src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java b/src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java new file mode 100644 index 000000000..967b17a64 --- /dev/null +++ b/src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java @@ -0,0 +1,49 @@ +/* + * 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 io.netty.channel.ChannelHandlerContext; +import org.traccar.BaseFrameDecoder; + +import java.nio.charset.StandardCharsets; + +public class FifotrackFrameDecoder extends BaseFrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { + + if (buf.readableBytes() < 10) { + return null; + } + + int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ','); + if (index != -1) { + int length = index - buf.readerIndex() + 3 + Integer.parseInt( + buf.toString(buf.readerIndex() + 2, index - buf.readerIndex() - 2, StandardCharsets.US_ASCII)); + if (buf.readableBytes() >= length + 2) { + ByteBuf frame = buf.readRetainedSlice(length); + buf.skipBytes(2); // delimiter + return frame; + } + } + + return null; + } + +} diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocol.java b/src/main/java/org/traccar/protocol/FifotrackProtocol.java index 371e01e55..2c2e6e1d3 100644 --- a/src/main/java/org/traccar/protocol/FifotrackProtocol.java +++ b/src/main/java/org/traccar/protocol/FifotrackProtocol.java @@ -16,7 +16,6 @@ package org.traccar.protocol; import io.netty.handler.codec.LineBasedFrameDecoder; -import io.netty.handler.codec.string.StringDecoder; import io.netty.handler.codec.string.StringEncoder; import org.traccar.BaseProtocol; import org.traccar.PipelineBuilder; @@ -30,7 +29,6 @@ public class FifotrackProtocol extends BaseProtocol { protected void addProtocolHandlers(PipelineBuilder pipeline) { pipeline.addLast(new LineBasedFrameDecoder(1024)); pipeline.addLast(new StringEncoder()); - pipeline.addLast(new StringDecoder()); pipeline.addLast(new FifotrackProtocolDecoder(FifotrackProtocol.this)); } }); diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java index 35696ee12..2719464c9 100644 --- a/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java @@ -23,7 +23,6 @@ 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; @@ -32,6 +31,7 @@ import org.traccar.model.Network; import org.traccar.model.Position; import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; import java.util.regex.Pattern; public class FifotrackProtocolDecoder extends BaseProtocolDecoder { @@ -87,12 +87,11 @@ public class FifotrackProtocolDecoder extends BaseProtocolDecoder { .text("$$") .number("d+,") // length .number("(d+),") // imei - .expression("([^*]+),") // photo id + .number("x+,") // index + .expression("[^,]+,") // type + .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) { @@ -165,11 +164,14 @@ public class FifotrackProtocolDecoder extends BaseProtocolDecoder { 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); + ByteBuf buf = (ByteBuf) msg; + int typeIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',') + 1; + typeIndex = buf.indexOf(typeIndex, buf.writerIndex(), (byte) ',') + 1; + typeIndex = buf.indexOf(typeIndex, buf.writerIndex(), (byte) ',') + 1; + String type = buf.toString(typeIndex, 3, StandardCharsets.US_ASCII); if (type.equals("D05")) { + String sentence = buf.toString(StandardCharsets.US_ASCII); Parser parser = new Parser(PATTERN_PHOTO, sentence); if (parser.matches()) { String imei = parser.next(); @@ -179,16 +181,22 @@ public class FifotrackProtocolDecoder extends BaseProtocolDecoder { requestPhoto(channel, remoteAddress, imei, photoId); } } else if (type.equals("D06")) { + int dataIndex = buf.indexOf(typeIndex + 4, buf.writerIndex(), (byte) ',') + 1; + dataIndex = buf.indexOf(dataIndex, buf.writerIndex(), (byte) ',') + 1; + dataIndex = buf.indexOf(dataIndex, buf.writerIndex(), (byte) ',') + 1; + String sentence = buf.toString(buf.readerIndex(), dataIndex, StandardCharsets.US_ASCII); 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())); + buf.readerIndex(dataIndex); + photo.writeBytes(buf.readBytes(buf.readableBytes() - 3)); // ignore checksum requestPhoto(channel, remoteAddress, imei, photoId); } } else { + String sentence = buf.toString(StandardCharsets.US_ASCII); return decodeLocation(channel, remoteAddress, sentence); } |