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Diffstat (limited to 'src/org/traccar/protocol/BceFrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/BceFrameDecoder.java61
1 files changed, 0 insertions, 61 deletions
diff --git a/src/org/traccar/protocol/BceFrameDecoder.java b/src/org/traccar/protocol/BceFrameDecoder.java
deleted file mode 100644
index 4fac79f85..000000000
--- a/src/org/traccar/protocol/BceFrameDecoder.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright 2015 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.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
-
-public class BceFrameDecoder extends FrameDecoder {
-
- private static final int HANDSHAKE_LENGTH = 7; // "#BCE#\r\n"
-
- private boolean header = true;
-
- private static byte checksum(ChannelBuffer buf, int end) {
- byte result = 0;
- for (int i = 0; i < end; i++) {
- result += buf.getByte(buf.readerIndex() + i);
- }
- return result;
- }
-
- @Override
- protected Object decode(
- ChannelHandlerContext ctx,
- Channel channel,
- ChannelBuffer buf) throws Exception {
-
- if (header && buf.readableBytes() >= HANDSHAKE_LENGTH) {
- buf.skipBytes(HANDSHAKE_LENGTH);
- header = false;
- }
-
- int end = 8; // IMEI
-
- while (buf.readableBytes() >= end + 2 + 1 + 1 + 1) {
- end += buf.getUnsignedShort(buf.readerIndex() + end) + 2;
-
- if (buf.readableBytes() > end && checksum(buf, end) == buf.getByte(buf.readerIndex() + end)) {
- return buf.readBytes(end + 1);
- }
- }
-
- return null;
- }
-
-}