From 7103c6b2f47a5f9281737ca8fc525de644c2aec9 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 30 Oct 2019 21:59:36 -0700
Subject: Revert "Add PT215 frame decoder"

This reverts commit 14f5711c
---
 .../org/traccar/protocol/Pt215FrameDecoder.java    | 55 ----------------------
 .../java/org/traccar/protocol/Pt215Protocol.java   |  3 +-
 2 files changed, 2 insertions(+), 56 deletions(-)
 delete mode 100644 src/main/java/org/traccar/protocol/Pt215FrameDecoder.java

(limited to 'src/main/java/org/traccar/protocol')

diff --git a/src/main/java/org/traccar/protocol/Pt215FrameDecoder.java b/src/main/java/org/traccar/protocol/Pt215FrameDecoder.java
deleted file mode 100644
index 0b3bae914..000000000
--- a/src/main/java/org/traccar/protocol/Pt215FrameDecoder.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * 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;
-
-public class Pt215FrameDecoder extends BaseFrameDecoder {
-
-    private ByteBuf decodeFrame(ByteBuf buf, int length) {
-        if (buf.readableBytes() >= length) {
-            return buf.readRetainedSlice(length);
-        }
-        return null;
-    }
-
-    @Override
-    protected Object decode(
-            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
-        if (buf.readableBytes() < 5) {
-            return null;
-        }
-
-        int type = buf.getUnsignedByte(buf.readerIndex() + 2 + 1);
-        switch (type) {
-            case Pt215ProtocolDecoder.MSG_LOGIN:
-                return decodeFrame(buf, 15);
-            case Pt215ProtocolDecoder.MSG_GPS_REALTIME:
-            case Pt215ProtocolDecoder.MSG_GPS_OFFLINE:
-                return decodeFrame(buf, 27);
-            case Pt215ProtocolDecoder.MSG_STATUS:
-                return decodeFrame(buf, 11);
-            default:
-                return null;
-
-        }
-    }
-
-}
diff --git a/src/main/java/org/traccar/protocol/Pt215Protocol.java b/src/main/java/org/traccar/protocol/Pt215Protocol.java
index 31ddc2c7a..09bd9b121 100644
--- a/src/main/java/org/traccar/protocol/Pt215Protocol.java
+++ b/src/main/java/org/traccar/protocol/Pt215Protocol.java
@@ -15,6 +15,7 @@
  */
 package org.traccar.protocol;
 
+import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
@@ -25,7 +26,7 @@ public class Pt215Protocol extends BaseProtocol {
         addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
-                pipeline.addLast(new Pt215FrameDecoder());
+                pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 2, 1, -1, 0));
                 pipeline.addLast(new Pt215ProtocolDecoder(Pt215Protocol.this));
             }
         });
-- 
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