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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/org/traccar/protocol/NavisFrameDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/org/traccar/protocol/NavisFrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/NavisFrameDecoder.java109
1 files changed, 0 insertions, 109 deletions
diff --git a/src/org/traccar/protocol/NavisFrameDecoder.java b/src/org/traccar/protocol/NavisFrameDecoder.java
deleted file mode 100644
index 8a0bb0b9a..000000000
--- a/src/org/traccar/protocol/NavisFrameDecoder.java
+++ /dev/null
@@ -1,109 +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 java.nio.charset.StandardCharsets;
-import org.traccar.BaseFrameDecoder;
-import org.traccar.BasePipelineFactory;
-
-public class NavisFrameDecoder extends BaseFrameDecoder {
-
- private static final int NTCB_HEADER_LENGTH = 16;
- private static final int NTCB_LENGTH_OFFSET = 12;
- private static final int FLEX_HEADER_LENGTH = 2;
-
- private int flexDataSize;
-
- public void setFlexDataSize(int flexDataSize) {
- this.flexDataSize = flexDataSize;
- }
-
- @Override
- protected Object decode(
- ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
- if (buf.getByte(buf.readerIndex()) == 0x7F) {
- return buf.readRetainedSlice(1); // keep alive
- }
-
- if (ctx != null && flexDataSize == 0) {
- NavisProtocolDecoder protocolDecoder =
- BasePipelineFactory.getHandler(ctx.pipeline(), NavisProtocolDecoder.class);
- if (protocolDecoder != null) {
- flexDataSize = protocolDecoder.getFlexDataSize();
- }
- }
-
- if (flexDataSize > 0) {
-
- if (buf.readableBytes() > FLEX_HEADER_LENGTH) {
- int length = 0;
- String type = buf.toString(buf.readerIndex(), 2, StandardCharsets.US_ASCII);
- switch (type) {
- // FLEX 1.0
- case "~A":
- length = flexDataSize * buf.getByte(buf.readerIndex() + FLEX_HEADER_LENGTH) + 1 + 1;
- break;
- case "~T":
- length = flexDataSize + 4 + 1;
- break;
- case "~C":
- length = flexDataSize + 1;
- break;
- // FLEX 2.0 (Extra packages)
- case "~E":
- length++;
- for (int i = 0; i < buf.getByte(buf.readerIndex() + FLEX_HEADER_LENGTH); i++) {
- if (buf.readableBytes() > FLEX_HEADER_LENGTH + length + 1) {
- length += buf.getUnsignedShort(length + FLEX_HEADER_LENGTH) + 2;
- } else {
- return null;
- }
- }
- length++;
- break;
- case "~X":
- length = buf.getUnsignedShortLE(buf.readerIndex() + FLEX_HEADER_LENGTH) + 4 + 1;
- break;
- default:
- return null;
- }
-
- if (buf.readableBytes() >= FLEX_HEADER_LENGTH + length) {
- return buf.readRetainedSlice(buf.readableBytes());
- }
- }
-
- } else {
-
- if (buf.readableBytes() < NTCB_HEADER_LENGTH) {
- return null;
- }
-
- int length = NTCB_HEADER_LENGTH + buf.getUnsignedShortLE(buf.readerIndex() + NTCB_LENGTH_OFFSET);
- if (buf.readableBytes() >= length) {
- return buf.readRetainedSlice(length);
- }
-
- }
-
- return null;
- }
-
-}