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系统过滤重复的请求

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autumn.g@foxmail.com
2023-12-25 15:24:37 +08:00
parent 894eccb186
commit 81e435e4a0
3 changed files with 8 additions and 7 deletions
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2
jsowell-common/src/main/java/com/jsowell/common/core/redis/RedisCache.java
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@@ -376,7 +376,7 @@ public class RedisCache {
* @param key 键 * @param key 键
* @param value 值 * @param value 值
* @param expireTime 过期时间，单位秒 * @param expireTime 过期时间，单位秒
* @return * @return true: set成功; false失败表示已有值
*/ */
public Boolean setnx(String key, String value, long expireTime) { public Boolean setnx(String key, String value, long expireTime) {
return redisTemplate.opsForValue().setIfAbsent(key, value, expireTime, TimeUnit.SECONDS); return redisTemplate.opsForValue().setIfAbsent(key, value, expireTime, TimeUnit.SECONDS);

8
jsowell-netty/src/main/java/com/jsowell/netty/handler/AbstractHandler.java
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@@ -76,17 +76,17 @@ public abstract class AbstractHandler implements InitializingBean {
/** /**
* 阻止重复帧 * 阻止重复帧
* @return true 重复
*/ */
protected boolean verifyTheDuplicateRequest(YKCDataProtocol ykcDataProtocol, Channel channel) { protected boolean verifyTheDuplicateRequest(YKCDataProtocol ykcDataProtocol, Channel channel) {
// 获取序列号域 // 获取序列号域
int serialNumber = BytesUtil.bytesToIntLittle(ykcDataProtocol.getSerialNumber()); int serialNumber = BytesUtil.bytesToIntLittle(ykcDataProtocol.getSerialNumber());
// 获取channelId // 获取channelId
String channelId = channel.id().asShortText(); String channelId = channel.id().asShortText();
String redisKey = "Request_" + channelId + "_" + serialNumber; String redisKey = "Request_" + channelId + "_" + serialNumber;
Boolean result = redisCache.setnx(redisKey, ykcDataProtocol.getHEXString(), 30);
// result返回false说明没有设置成功，就是说已经有相同请求了，所以返回true重复
return false; return !result;
} }
} }

5
jsowell-netty/src/main/java/com/jsowell/netty/handler/LoginRequestHandler.java
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@@ -163,8 +163,9 @@ public class LoginRequestHandler extends AbstractHandler {
String business = BytesUtil.bcd2Str(businessTypeByteArr); String business = BytesUtil.bcd2Str(businessTypeByteArr);
// *********************** 字段解析完成，下面进行逻辑处理 *********************** // // *********************** 字段解析完成，下面进行逻辑处理 *********************** //
verifyTheDuplicateRequest(ykcDataProtocol, channel); if (verifyTheDuplicateRequest(ykcDataProtocol, channel)) {
return null;
}
LoginRequestData loginRequestData = LoginRequestData.builder() LoginRequestData loginRequestData = LoginRequestData.builder()
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