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perf[server]: max packet length limit

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godotg committed 2023-12-10 22:04:20 +08:00
1 parent 3454805796
commit a406596898
6 files changed
+16 -29
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net/src/main/java/com/zfoo/net/handler/codec/jprotobuf/JProtobufTcpCodecHandler.java
+2 -2
View File
@@ -20,7 +20,7 @@ import com.zfoo.net.packet.EncodedPacketInfo;
import com.zfoo.net.packet.PacketService;
import com.zfoo.protocol.ProtocolManager;
import com.zfoo.protocol.buffer.ByteBufUtils;
import com.zfoo.protocol.util.IOUtils;
import com.zfoo.protocol.util.MathSafeUtils;
import com.zfoo.protocol.util.StringUtils;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
@@ -47,7 +47,7 @@ public class JProtobufTcpCodecHandler extends ByteToMessageCodec<EncodedPacketIn
var length = in.readInt();
// 如果长度非法，则抛出异常断开连接，按照自己的使用场景指定合适的长度，防止客户端发送超大包占用带宽
if (length < 0 || length > IOUtils.BYTES_PER_MB) {
if (length < 0 || length > MathSafeUtils.MAX_LENGTH) {
throw new IllegalArgumentException(StringUtils.format("illegal packet [length:{}]", length));
}
net/src/main/java/com/zfoo/net/handler/codec/tcp/TcpCodecHandler.java
+2 -7
View File
@@ -14,18 +14,13 @@
package com.zfoo.net.handler.codec.tcp;
import com.zfoo.net.NetContext;
import com.zfoo.net.packet.DecodedPacketInfo;
import com.zfoo.net.packet.EncodedPacketInfo;
import com.zfoo.net.packet.PacketService;
import com.zfoo.net.util.SessionUtils;
import com.zfoo.protocol.util.IOUtils;
import com.zfoo.protocol.util.MathSafeUtils;
import com.zfoo.protocol.util.StringUtils;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageCodec;
import io.netty.util.ReferenceCountUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
@@ -47,7 +42,7 @@ public class TcpCodecHandler extends ByteToMessageCodec<EncodedPacketInfo> {
var length = in.readInt();
// 如果长度非法，则抛出异常断开连接，按照自己的使用场景指定合适的长度，防止客户端发送超大包占用带宽
if (length < 0 || length > IOUtils.BYTES_PER_MB) {
if (length < 0 || length > MathSafeUtils.MAX_LENGTH) {
throw new IllegalArgumentException(StringUtils.format("illegal packet [length:{}]", length));
}
net/src/main/java/com/zfoo/net/handler/codec/udp/UdpCodecHandler.java
+2 -7
View File
@@ -13,20 +13,15 @@
package com.zfoo.net.handler.codec.udp;
import com.zfoo.net.NetContext;
import com.zfoo.net.packet.DecodedPacketInfo;
import com.zfoo.net.packet.EncodedPacketInfo;
import com.zfoo.net.packet.PacketService;
import com.zfoo.net.router.attachment.UdpAttachment;
import com.zfoo.protocol.util.IOUtils;
import com.zfoo.protocol.util.JsonUtils;
import com.zfoo.protocol.util.MathSafeUtils;
import com.zfoo.protocol.util.StringUtils;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.socket.DatagramPacket;
import io.netty.handler.codec.MessageToMessageCodec;
import io.netty.util.ReferenceCountUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.InetSocketAddress;
import java.util.List;
@@ -49,7 +44,7 @@ public class UdpCodecHandler extends MessageToMessageCodec<DatagramPacket, Encod
var length = in.readInt();
// 如果长度非法，则抛出异常断开连接，按照自己的使用场景指定合适的长度，防止客户端发送超大包占用带宽
if (length < 0 || length > IOUtils.BYTES_PER_MB) {
if (length < 0 || length > MathSafeUtils.MAX_LENGTH) {
throw new IllegalArgumentException(StringUtils.format("illegal packet [length:{}]", length));
}
net/src/main/java/com/zfoo/net/handler/codec/websocket/WebSocketCodecHandler.java
+2 -8
View File
@@ -14,20 +14,14 @@
package com.zfoo.net.handler.codec.websocket;
import com.zfoo.net.NetContext;
import com.zfoo.net.packet.DecodedPacketInfo;
import com.zfoo.net.packet.EncodedPacketInfo;
import com.zfoo.net.packet.PacketService;
import com.zfoo.protocol.util.IOUtils;
import com.zfoo.protocol.util.JsonUtils;
import com.zfoo.protocol.util.MathSafeUtils;
import com.zfoo.protocol.util.StringUtils;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageCodec;
import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketFrame;
import io.netty.util.ReferenceCountUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
@@ -44,7 +38,7 @@ public class WebSocketCodecHandler extends MessageToMessageCodec<WebSocketFrame,
ByteBuf in = webSocketFrame.content();
var length = in.readInt();
// 如果长度非法，则抛出异常断开连接，按照自己的使用场景指定合适的长度，防止客户端发送超大包占用带宽
if (length < 0 || length > IOUtils.BYTES_PER_MB) {
if (length < 0 || length > MathSafeUtils.MAX_LENGTH) {
throw new IllegalArgumentException(StringUtils.format("illegal packet [length:{}]", length));
}
var sliceByteBuf = in.readSlice(length);