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authorAnton Tananaev <anton@traccar.org>2024-03-08 09:38:03 -0800
committerAnton Tananaev <anton@traccar.org>2024-03-08 09:38:03 -0800
commit43508913a7f3356324ec5af447980121d9c64dd0 (patch)
tree6ff068d50b86786fa533179065d82639c3cb5306 /src/main/java
parent04e482bd22029710fd512bfd7916781cd5c79495 (diff)
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Add Huabao frame encoder
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/traccar/protocol/HuabaoFrameEncoder.java44
-rw-r--r--src/main/java/org/traccar/protocol/HuabaoProtocol.java3
2 files changed, 46 insertions, 1 deletions
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<ByteBuf> {
+
+ @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));