From 43508913a7f3356324ec5af447980121d9c64dd0 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Fri, 8 Mar 2024 09:38:03 -0800 Subject: Add Huabao frame encoder --- .../org/traccar/protocol/HuabaoFrameEncoder.java | 44 ++++++++++++++++++++++ .../java/org/traccar/protocol/HuabaoProtocol.java | 3 +- 2 files changed, 46 insertions(+), 1 deletion(-) create mode 100644 src/main/java/org/traccar/protocol/HuabaoFrameEncoder.java diff --git a/src/main/java/org/traccar/protocol/HuabaoFrameEncoder.java b/src/main/java/org/traccar/protocol/HuabaoFrameEncoder.java new file mode 100644 index 000000000..808529a98 --- /dev/null +++ b/src/main/java/org/traccar/protocol/HuabaoFrameEncoder.java @@ -0,0 +1,44 @@ +/* + * Copyright 2024 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.ChannelHandlerContext; +import io.netty.handler.codec.MessageToByteEncoder; + +public class HuabaoFrameEncoder extends MessageToByteEncoder { + + @Override + protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) { + + while (msg.isReadable()) { + int b = msg.readUnsignedByte(); + switch (b) { + case 0x7d: + out.writeByte(0x7d); + out.writeByte(0x01); + break; + case 0x7e: + out.writeByte(0x7d); + out.writeByte(0x02); + break; + default: + out.writeByte(b); + break; + } + } + } +} diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocol.java b/src/main/java/org/traccar/protocol/HuabaoProtocol.java index fc12d7d71..575d15b02 100644 --- a/src/main/java/org/traccar/protocol/HuabaoProtocol.java +++ b/src/main/java/org/traccar/protocol/HuabaoProtocol.java @@ -1,5 +1,5 @@ /* - * Copyright 2015 - 2019 Anton Tananaev (anton@traccar.org) + * Copyright 2015 - 2024 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. @@ -33,6 +33,7 @@ public class HuabaoProtocol extends BaseProtocol { addServer(new TrackerServer(config, getName(), false) { @Override protected void addProtocolHandlers(PipelineBuilder pipeline, Config config) { + pipeline.addLast(new HuabaoFrameEncoder()); pipeline.addLast(new HuabaoFrameDecoder()); pipeline.addLast(new HuabaoProtocolEncoder(HuabaoProtocol.this)); pipeline.addLast(new HuabaoProtocolDecoder(HuabaoProtocol.this)); -- cgit v1.2.3