diff options
Diffstat (limited to 'src/org/traccar/protocol/TeltonikaFrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/TeltonikaFrameDecoder.java | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/org/traccar/protocol/TeltonikaFrameDecoder.java b/src/org/traccar/protocol/TeltonikaFrameDecoder.java deleted file mode 100644 index 4d4d79d8d..000000000 --- a/src/org/traccar/protocol/TeltonikaFrameDecoder.java +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright 2013 - 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.traccar.BaseFrameDecoder; - -import io.netty.buffer.ByteBuf; -import io.netty.channel.Channel; -import io.netty.channel.ChannelHandlerContext; - -public class TeltonikaFrameDecoder extends BaseFrameDecoder { - - private static final int MESSAGE_MINIMUM_LENGTH = 12; - - @Override - protected Object decode( - ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { - - // Check minimum length - if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) { - return null; - } - - // Read packet - int length = buf.getUnsignedShort(buf.readerIndex()); - if (length > 0) { - if (buf.readableBytes() >= (length + 2)) { - return buf.readRetainedSlice(length + 2); - } - } else { - int dataLength = buf.getInt(buf.readerIndex() + 4); - if (buf.readableBytes() >= (dataLength + 12)) { - return buf.readRetainedSlice(dataLength + 12); - } - } - - return null; - } - -} |