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手动释放对象

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Guoqs
2024-12-28 13:44:57 +08:00
parent 458c216a6d
commit c9bfa8ace8
4 changed files with 173 additions and 152 deletions
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1
jsowell-netty/src/main/java/com/jsowell/netty/decoder/YkcProtocolDecoder.java
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@@ -10,6 +10,7 @@ import lombok.extern.slf4j.Slf4j;
import java.util.List;
@Deprecated
@Slf4j
public class YkcProtocolDecoder extends ByteToMessageDecoder {

112
jsowell-netty/src/main/java/com/jsowell/netty/decoder/YouDianProtocolDecoder.java
View File

@@ -4,6 +4,7 @@ import com.jsowell.common.constant.Constants;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import io.netty.util.ReferenceCountUtil;
import lombok.extern.slf4j.Slf4j;
import java.nio.charset.StandardCharsets;
@@ -37,7 +38,7 @@ public class YouDianProtocolDecoder extends ByteToMessageDecoder {
buffer.markReaderIndex();
// 判断是否为DNY包头或68包头
if (isStartOfDnyHeader(buffer, beginReader) || isStartOf68Header(buffer, beginReader)) {
if (isStartOfDnyHeader(buffer, beginReader)) {
break; // 读到了协议的开始标志，结束while循环
}
@@ -60,13 +61,13 @@ public class YouDianProtocolDecoder extends ByteToMessageDecoder {
}
// 检查包头是否是 68 协议
if (buffer.readableBytes() >= HEADER_LENGTH_68) {
if (buffer.getUnsignedByte(beginReader) == 0x68) {
// 处理 68 协议
decode68Message(buffer, out, beginReader);
return;
}
}
// if (buffer.readableBytes() >= HEADER_LENGTH_68) {
// if (buffer.getUnsignedByte(beginReader) == 0x68) {
// // 处理 68 协议
// decode68Message(buffer, out, beginReader);
// return;
// }
// }
// 未知协议，还原读指针
buffer.resetReaderIndex();
@@ -84,58 +85,61 @@ public class YouDianProtocolDecoder extends ByteToMessageDecoder {
}
// 判断是否为68包头
private boolean isStartOf68Header(ByteBuf buffer, int beginReader) {
if (buffer.readableBytes() >= HEADER_LENGTH_68) {
return buffer.getUnsignedByte(beginReader) == 0x68;
}
return false;
}
// private boolean isStartOf68Header(ByteBuf buffer, int beginReader) {
// if (buffer.readableBytes() >= HEADER_LENGTH_68) {
// return buffer.getUnsignedByte(beginReader) == 0x68;
// }
// return false;
// }
// 处理68协议消息
private void decode68Message(ByteBuf buffer, List<Object> out, int beginReader) {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + 2) {
buffer.readerIndex(beginReader);
return;
}
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_68);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length + 2) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据 最后+2是帧校验域长度
ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length + 2);
out.add(frame);
}
// private void decode68Message(ByteBuf buffer, List<Object> out, int beginReader) {
// // 检查剩余数据是否足够
// if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + 2) {
// buffer.readerIndex(beginReader);
// return;
// }
//
// // 获取消息长度
// int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_68);
// // 检查剩余数据是否足够
// if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length + 2) {
// buffer.readerIndex(beginReader);
// return;
// }
//
// // 读取 data 数据 最后+2是帧校验域长度
// ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length + 2);
// buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length + 2);
// out.add(frame);
// }
// 处理DNY协议消息
private void decodeDnyMessage(ByteBuf buffer, List<Object> out, int beginReader) {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1) {
buffer.readerIndex(beginReader);
return;
ByteBuf frame = null;
try {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1) {
buffer.readerIndex(beginReader);
return;
}
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_DNY);
// log.info("获取消息长度, length:{}", length);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1 + length) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据
frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_DNY + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_DNY + length + 2);
out.add(frame);
} finally {
if (frame != null) {
ReferenceCountUtil.release(frame);
}
}
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_DNY);
// log.info("获取消息长度, length:{}", length);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1 + length) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据
ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_DNY + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_DNY + length + 2);
out.add(frame);
}
}

140
jsowell-netty/src/main/java/com/jsowell/netty/decoder/YunKuaiChongDecoder.java
View File

@@ -1,13 +1,12 @@
package com.jsowell.netty.decoder;
import com.jsowell.common.constant.Constants;
import com.jsowell.common.core.domain.ykc.YKCDataProtocol;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import io.netty.util.ReferenceCountUtil;
import lombok.extern.slf4j.Slf4j;
import java.nio.charset.StandardCharsets;
import java.util.List;
@Slf4j
@@ -35,7 +34,7 @@ public class YunKuaiChongDecoder extends ByteToMessageDecoder {
buffer.markReaderIndex();
// 判断是否为DNY包头或68包头
if (isStartOfDnyHeader(buffer, beginReader) || isStartOf68Header(buffer, beginReader)) {
if (isStartOf68Header(buffer, beginReader)) {
break; // 读到了协议的开始标志，结束while循环
}
@@ -45,17 +44,17 @@ public class YunKuaiChongDecoder extends ByteToMessageDecoder {
}
// 检查包头是否是 "DNY"
if (buffer.readableBytes() >= HEADER_LENGTH_DNY) {
byte[] headerBytes = new byte[HEADER_LENGTH_DNY];
buffer.getBytes(beginReader, headerBytes, 0, HEADER_LENGTH_DNY);
String header = new String(headerBytes, StandardCharsets.UTF_8);
// log.info("检查包头是否是DNY, header:{}", header);
if (Constants.EBIKE_HEADER.equals(header)) {
// 处理 DNY 协议
decodeDnyMessage(buffer, out, beginReader);
return;
}
}
// if (buffer.readableBytes() >= HEADER_LENGTH_DNY) {
// byte[] headerBytes = new byte[HEADER_LENGTH_DNY];
// buffer.getBytes(beginReader, headerBytes, 0, HEADER_LENGTH_DNY);
// String header = new String(headerBytes, StandardCharsets.UTF_8);
// // log.info("检查包头是否是DNY, header:{}", header);
// if (Constants.EBIKE_HEADER.equals(header)) {
// // 处理 DNY 协议
// decodeDnyMessage(buffer, out, beginReader);
// return;
// }
// }
// 检查包头是否是 68 协议
if (buffer.readableBytes() >= HEADER_LENGTH_68) {
@@ -71,15 +70,15 @@ public class YunKuaiChongDecoder extends ByteToMessageDecoder {
}
// 判断是否为DNY包头
private boolean isStartOfDnyHeader(ByteBuf buffer, int beginReader) {
if (buffer.readableBytes() >= HEADER_LENGTH_DNY) {
byte[] headerBytes = new byte[HEADER_LENGTH_DNY];
buffer.getBytes(beginReader, headerBytes, 0, HEADER_LENGTH_DNY);
String header = new String(headerBytes, StandardCharsets.UTF_8);
return Constants.EBIKE_HEADER.equals(header);
}
return false;
}
// private boolean isStartOfDnyHeader(ByteBuf buffer, int beginReader) {
// if (buffer.readableBytes() >= HEADER_LENGTH_DNY) {
// byte[] headerBytes = new byte[HEADER_LENGTH_DNY];
// buffer.getBytes(beginReader, headerBytes, 0, HEADER_LENGTH_DNY);
// String header = new String(headerBytes, StandardCharsets.UTF_8);
// return Constants.EBIKE_HEADER.equals(header);
// }
// return false;
// }
// 判断是否为68包头
private boolean isStartOf68Header(ByteBuf buffer, int beginReader) {
@@ -91,54 +90,59 @@ public class YunKuaiChongDecoder extends ByteToMessageDecoder {
// 处理68协议消息
private void decode68Message(ByteBuf buffer, List<Object> out, int beginReader) {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + 2) {
buffer.readerIndex(beginReader);
return;
ByteBuf frame = null;
try {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + 2) {
buffer.readerIndex(beginReader);
return;
}
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_68);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length + 2) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据 最后+2是帧校验域长度
frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length + 2);
// 转为YKCDataProtocol对象
byte[] bytes = new byte[HEADER_LENGTH_68 + 1 + length + 2];
frame.readBytes(bytes);
YKCDataProtocol ykcDataProtocol = new YKCDataProtocol(bytes);
out.add(ykcDataProtocol);
} finally {
if (frame != null) {
ReferenceCountUtil.release(frame);
}
}
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_68);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length + 2) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据 最后+2是帧校验域长度
ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length + 2);
// 转为YKCDataProtocol对象
byte[] bytes = new byte[HEADER_LENGTH_68 + 1 + length + 2];
frame.readBytes(bytes);
YKCDataProtocol ykcDataProtocol = new YKCDataProtocol(bytes);
out.add(ykcDataProtocol);
}
// 处理DNY协议消息
private void decodeDnyMessage(ByteBuf buffer, List<Object> out, int beginReader) {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1) {
buffer.readerIndex(beginReader);
return;
}
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_DNY);
// log.info("获取消息长度, length:{}", length);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1 + length) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据
ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_DNY + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_DNY + length + 2);
out.add(frame);
}
// private void decodeDnyMessage(ByteBuf buffer, List<Object> out, int beginReader) {
// // 检查剩余数据是否足够
// if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1) {
// buffer.readerIndex(beginReader);
// return;
// }
//
// // 获取消息长度
// int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_DNY);
// // log.info("获取消息长度, length:{}", length);
// // 检查剩余数据是否足够
// if (buffer.readableBytes() < HEADER_LENGTH_DNY + 1 + length) {
// buffer.readerIndex(beginReader);
// return;
// }
//
// // 读取 data 数据
// ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_DNY + length + 2);
// buffer.readerIndex(beginReader + HEADER_LENGTH_DNY + length + 2);
// out.add(frame);
// }
}

72
jsowell-netty/src/main/java/com/jsowell/netty/server/yunkuaichong/NettyServerHandler.java
View File

@@ -231,25 +231,31 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
String socketString = ctx.channel().remoteAddress().toString();
ChannelId channelId = ctx.channel().id();
String pileSn = PileChannelEntity.getPileSnByChannelId(channelId.asLongText());
if (evt instanceof IdleStateEvent) { // 超时事件
IdleStateEvent event = (IdleStateEvent) evt;
boolean flag = false;
if (event.state() == IdleState.READER_IDLE) { // 读
flag = true;
// log.error("Client-IP:【{}】, channelId:【{}】, pileSn:【{}】, READER_IDLE 读超时", socketString, channelId, pileSn);
} else if (event.state() == IdleState.WRITER_IDLE) { // 写
flag = true;
// log.error("Client-IP:【{}】, channelId:【{}】, pileSn:【{}】, WRITER_IDLE 写超时", socketString, channelId, pileSn);
} else if (event.state() == IdleState.ALL_IDLE) { // 全部
flag = true;
// log.error("Client-IP:【{}】, channelId:【{}】, pileSn:【{}】, ALL_IDLE 总超时", socketString, channelId, pileSn);
try {
String socketString = ctx.channel().remoteAddress().toString();
ChannelId channelId = ctx.channel().id();
String pileSn = PileChannelEntity.getPileSnByChannelId(channelId.asLongText());
if (evt instanceof IdleStateEvent) { // 超时事件
IdleStateEvent event = (IdleStateEvent) evt;
boolean flag = false;
if (event.state() == IdleState.READER_IDLE) { // 读
flag = true;
// log.error("Client-IP:【{}】, channelId:【{}】, pileSn:【{}】, READER_IDLE 读超时", socketString, channelId, pileSn);
} else if (event.state() == IdleState.WRITER_IDLE) { // 写
flag = true;
// log.error("Client-IP:【{}】, channelId:【{}】, pileSn:【{}】, WRITER_IDLE 写超时", socketString, channelId, pileSn);
} else if (event.state() == IdleState.ALL_IDLE) { // 全部
flag = true;
// log.error("Client-IP:【{}】, channelId:【{}】, pileSn:【{}】, ALL_IDLE 总超时", socketString, channelId, pileSn);
}
if (flag) {
ctx.channel().close();
// close(channelId, pileSn);
}
}
if (flag) {
ctx.channel().close();
// close(channelId, pileSn);
} finally {
if (evt instanceof ByteBuf) {
ReferenceCountUtil.release(evt);
}
}
}
@@ -259,20 +265,26 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
*/
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
ChannelId channelId = ctx.channel().id();
String channelIdShortText = channelId.asShortText();
String pileSn = PileChannelEntity.getPileSnByChannelId(channelIdShortText);
log.error("发生异常 channelId:{}, pileSn:{}", channelIdShortText, pileSn, cause);
cause.printStackTrace();
// 如果桩连到平台，在1分钟内没有发送数据过来，会报ReadTimeoutException异常
if (cause instanceof ReadTimeoutException) {
if (log.isTraceEnabled()) {
log.trace("Connection timeout 【{}】", ctx.channel().remoteAddress());
try {
ChannelId channelId = ctx.channel().id();
String channelIdShortText = channelId.asShortText();
String pileSn = PileChannelEntity.getPileSnByChannelId(channelIdShortText);
log.error("发生异常 channelId:{}, pileSn:{}", channelIdShortText, pileSn, cause);
cause.printStackTrace();
// 如果桩连到平台，在1分钟内没有发送数据过来，会报ReadTimeoutException异常
if (cause instanceof ReadTimeoutException) {
if (log.isTraceEnabled()) {
log.trace("Connection timeout 【{}】", ctx.channel().remoteAddress());
}
log.error("【{}】发生了错误, pileSn:【{}】此连接被关闭, 此时连通数量: {}", channelId, pileSn, CHANNEL_MAP.size());
ctx.channel().close();
}
} finally {
if (ctx.channel().isActive()) {
ctx.close();
}
log.error("【{}】发生了错误, pileSn:【{}】此连接被关闭, 此时连通数量: {}", channelId, pileSn, CHANNEL_MAP.size());
ctx.channel().close();
}
// close(channelId, pileSn);
}