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add LengthFieldBasedFrameDecoder
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This commit is contained in:
ehlxr 2021-02-08 23:05:31 +08:00
parent dbb95dd999
commit 9d72433199
5 changed files with 14 additions and 18 deletions
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21
did-common/src/main/java/io/github/ehlxr/did/common/Constants.java
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@ -6,6 +6,11 @@ import java.util.Map;
* @author ehlxr * @author ehlxr
*/ */
public class Constants { public class Constants {
public static final int MAX_FRAME_LENGTH = 1024 * 1024; //最大长度
public static final int LENGTH_FIELD_LENGTH = 4; //长度字段所占的字节数
public static final int LENGTH_FIELD_OFFSET = 2; //长度偏移
public static final int LENGTH_ADJUSTMENT = 0;
public static final int INITIAL_BYTES_TO_STRIP = 0;
private static final Map<String, String> SYS_ENV = System.getenv(); private static final Map<String, String> SYS_ENV = System.getenv();
public static String SERVER_HOST = "localhost"; public static String SERVER_HOST = "localhost";
/** /**
@ -36,22 +41,14 @@ public class Constants {
* sdk client 默认超时时间 * sdk client 默认超时时间
*/ */
public static int SDK_CLIENT_TIMEOUTMILLIS = 2000; public static int SDK_CLIENT_TIMEOUTMILLIS = 2000;
/**
* 编码解码 byte 数组固定长度
*/
public static int DECODER_FRAMELENGTH = 100;
private Constants() { private Constants() {
} }
public static String getEnv(String key) { public static String getEnv(String key) {
return SYS_ENV.get(key) == null ? "" : SYS_ENV.get(key); return SYS_ENV.get(key) == null ? "" : SYS_ENV.get(key);
} }
/**
* 编码解码 byte 数组固定长度
*/
public static int DECODER_FRAMELENGTH = 100;
public static final int MAX_FRAME_LENGTH = 1024 * 1024; //最大长度
public static final int LENGTH_FIELD_LENGTH = 4; //长度字段所占的字节数
public static final int LENGTH_FIELD_OFFSET = 2; //长度偏移
public static final int LENGTH_ADJUSTMENT = 0;
public static final int INITIAL_BYTES_TO_STRIP = 0;
} }

1
did-common/src/main/java/io/github/ehlxr/did/netty/MyProtocolDecoder.java
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@ -24,7 +24,6 @@
package io.github.ehlxr.did.netty; package io.github.ehlxr.did.netty;
import io.github.ehlxr.did.netty.MyProtocolBean;
import io.netty.buffer.ByteBuf; import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.LengthFieldBasedFrameDecoder; import io.netty.handler.codec.LengthFieldBasedFrameDecoder;

4
did-sdk/src/main/java/io/github/ehlxr/did/client/AbstractClient.java
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@ -92,7 +92,7 @@ public abstract class AbstractClient implements Client {
logger.debug("write {} to channel", sdkProto); logger.debug("write {} to channel", sdkProto);
byte[] bytes = NettyUtil.toBytes(sdkProto); byte[] bytes = NettyUtil.toBytes(sdkProto);
MyProtocolBean myProtocolBean = new MyProtocolBean((byte)0xA, (byte)0xC, bytes.length, bytes); MyProtocolBean myProtocolBean = new MyProtocolBean((byte) 0xA, (byte) 0xC, bytes.length, bytes);
channel.writeAndFlush(myProtocolBean).addListener((ChannelFutureListener) channelFuture -> { channel.writeAndFlush(myProtocolBean).addListener((ChannelFutureListener) channelFuture -> {
if (channelFuture.isSuccess()) { if (channelFuture.isSuccess()) {
//发送成功后立即跳出 //发送成功后立即跳出
@ -138,7 +138,7 @@ public abstract class AbstractClient implements Client {
logger.debug("write {} to channel", sdkProto); logger.debug("write {} to channel", sdkProto);
byte[] bytes = NettyUtil.toBytes(sdkProto); byte[] bytes = NettyUtil.toBytes(sdkProto);
MyProtocolBean myProtocolBean = new MyProtocolBean((byte)0xA, (byte)0xC, bytes.length, bytes); MyProtocolBean myProtocolBean = new MyProtocolBean((byte) 0xA, (byte) 0xC, bytes.length, bytes);
channelFuture.channel().writeAndFlush(myProtocolBean).addListener(channelFuture -> { channelFuture.channel().writeAndFlush(myProtocolBean).addListener(channelFuture -> {
if (channelFuture.isSuccess()) { if (channelFuture.isSuccess()) {
return; return;

4
did-sdk/src/main/java/io/github/ehlxr/did/client/SdkClient.java
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@ -1,10 +1,10 @@
package io.github.ehlxr.did.client; package io.github.ehlxr.did.client;
import io.github.ehlxr.did.netty.MyProtocolDecoder;
import io.github.ehlxr.did.netty.MyProtocolEncoder;
import io.github.ehlxr.did.client.handler.SdkClientHandler; import io.github.ehlxr.did.client.handler.SdkClientHandler;
import io.github.ehlxr.did.common.Constants; import io.github.ehlxr.did.common.Constants;
import io.github.ehlxr.did.common.Try; import io.github.ehlxr.did.common.Try;
import io.github.ehlxr.did.netty.MyProtocolDecoder;
import io.github.ehlxr.did.netty.MyProtocolEncoder;
import io.netty.channel.ChannelFutureListener; import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel; import io.netty.channel.socket.SocketChannel;

2
did-server/src/main/java/io/github/ehlxr/did/server/sdk/SdkServerHandler.java
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@ -1,10 +1,10 @@
package io.github.ehlxr.did.server.sdk; package io.github.ehlxr.did.server.sdk;
import io.github.ehlxr.did.common.Constants; import io.github.ehlxr.did.common.Constants;
import io.github.ehlxr.did.netty.MyProtocolBean;
import io.github.ehlxr.did.common.NettyUtil; import io.github.ehlxr.did.common.NettyUtil;
import io.github.ehlxr.did.common.SdkProto; import io.github.ehlxr.did.common.SdkProto;
import io.github.ehlxr.did.core.SnowFlake; import io.github.ehlxr.did.core.SnowFlake;
import io.github.ehlxr.did.netty.MyProtocolBean;
import io.netty.channel.Channel; import io.netty.channel.Channel;
import io.netty.channel.ChannelFutureListener; import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelHandlerContext;