autumn/jsowell-charger-web
1
0
Fork 0
mirror of https://codeup.aliyun.com/67c68d4e484ca2f0a13ac3c1/ydc/jsowell-charger-web.git synced 2026-04-20 11:05:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

系统过滤重复的请求

Browse Source
This commit is contained in:
autumn.g@foxmail.com
2023-12-25 15:12:34 +08:00
parent 471f84af10
commit 894eccb186
3 changed files with 47 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
jsowell-common/src/main/java/com/jsowell/common/core/redis/RedisCache.java
View File

@@ -8,7 +8,6 @@ import org.springframework.data.redis.core.*;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.stereotype.Component;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.concurrent.TimeUnit;
@@ -354,22 +353,33 @@ public class RedisCache {
*
* @param pattern 表达式，如：abc*，找出所有以abc开始的键
*/
public Set<String> scan(String pattern) {
return (Set<String>) redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
Set<String> keysTmp = new HashSet<>();
try (Cursor<byte[]> cursor = connection.scan(new ScanOptions.ScanOptionsBuilder()
.match(pattern)
.count(10000).build())) {
// public Set<String> scan(String pattern) {
// return (Set<String>) redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
// Set<String> keysTmp = new HashSet<>();
// try (Cursor<byte[]> cursor = connection.scan(new ScanOptions.ScanOptionsBuilder()
// .match(pattern)
// .count(10000).build())) {
//
// while (cursor.hasNext()) {
// keysTmp.add(new String(cursor.next(), StandardCharsets.UTF_8));
// }
// } catch (Exception e) {
// logger.error(e.getMessage(), e);
// throw new RuntimeException(e);
// }
// return keysTmp;
// });
// }
while (cursor.hasNext()) {
keysTmp.add(new String(cursor.next(), StandardCharsets.UTF_8));
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new RuntimeException(e);
}
return keysTmp;
});
/**
* setnx
* @param key 键
* @param value 值
* @param expireTime 过期时间，单位秒
* @return
*/
public Boolean setnx(String key, String value, long expireTime) {
return redisTemplate.opsForValue().setIfAbsent(key, value, expireTime, TimeUnit.SECONDS);
}
/**
@@ -385,7 +395,7 @@ public class RedisCache {
//在一定时间内获取锁，超时则返回错误
for (; ; ) {
//Set命令返回OK，则证明获取锁成功
Boolean ret = redisTemplate.opsForValue().setIfAbsent(lockKey, requestId, expireTime, TimeUnit.SECONDS);
Boolean ret = setnx(lockKey, requestId, expireTime);
if (ret != null && ret) {
return true;
}

15
jsowell-netty/src/main/java/com/jsowell/netty/handler/AbstractHandler.java
View File

@@ -74,4 +74,19 @@ public abstract class AbstractHandler implements InitializingBean {
PileChannelEntity.checkChannel(pileSn, channel);
}
/**
* 阻止重复帧
*/
protected boolean verifyTheDuplicateRequest(YKCDataProtocol ykcDataProtocol, Channel channel) {
// 获取序列号域
int serialNumber = BytesUtil.bytesToIntLittle(ykcDataProtocol.getSerialNumber());
// 获取channelId
String channelId = channel.id().asShortText();
String redisKey = "Request_" + channelId + "_" + serialNumber;
return false;
}
}

14
jsowell-netty/src/main/java/com/jsowell/netty/handler/LoginRequestHandler.java
View File

@@ -7,7 +7,6 @@ import com.jsowell.common.constant.Constants;
import com.jsowell.common.core.domain.ykc.LoginRequestData;
import com.jsowell.common.core.domain.ykc.YKCDataProtocol;
import com.jsowell.common.core.domain.ykc.YKCFrameTypeCode;
import com.jsowell.common.core.redis.RedisCache;
import com.jsowell.common.util.BytesUtil;
import com.jsowell.common.util.StringUtils;
import com.jsowell.common.util.YKCUtils;
@@ -30,6 +29,7 @@ import java.util.concurrent.CompletableFuture;
@Slf4j
@Component
public class LoginRequestHandler extends AbstractHandler {
private final String type = YKCUtils.frameType2Str(YKCFrameTypeCode.LOGIN_CODE.getBytes());
@Autowired
private IPileBasicInfoService pileBasicInfoService;
@@ -40,11 +40,6 @@ public class LoginRequestHandler extends AbstractHandler {
@Autowired
private IPileMsgRecordService pileMsgRecordService;
@Autowired
private RedisCache redisCache;
private final String type = YKCUtils.frameType2Str(YKCFrameTypeCode.LOGIN_CODE.getBytes());
private List<String> newProgramVersionList = Lists.newArrayList("c6-30");
@Override
@@ -111,7 +106,6 @@ public class LoginRequestHandler extends AbstractHandler {
@Override
public byte[] supplyProcess(YKCDataProtocol ykcDataProtocol, Channel channel) {
// log.info("[===执行登录逻辑===] param:{}, channel:{}", JSONObject.toJSONString(ykcDataProtocol), channel.toString());
// 获取消息体
byte[] msgBody = ykcDataProtocol.getMsgBody();
@@ -121,7 +115,6 @@ public class LoginRequestHandler extends AbstractHandler {
// 桩编码
byte[] pileSnByte = BytesUtil.copyBytes(msgBody, startIndex, length);
String pileSn = BytesUtil.binary(pileSnByte, 16);
// log.info("桩号：{}", pileSn);
// 保存时间
saveLastTimeAndCheckChannel(pileSn, channel);
@@ -140,7 +133,6 @@ public class LoginRequestHandler extends AbstractHandler {
// 通信协议版本 版本号乘 10，v1.0 表示 0x0A
startIndex += length;
byte[] communicationVersionByteArr = BytesUtil.copyBytes(msgBody, startIndex, length);
// int i = Integer.parseInt(BytesUtil.bcd2Str(communicationVersionByteArr)); // 0F --> 15
BigDecimal bigDecimal = new BigDecimal(BytesUtil.bcd2Str(communicationVersionByteArr));
BigDecimal communicationVersionTemp = bigDecimal.divide(new BigDecimal(10));
String communicationVersion = "v" + communicationVersionTemp;
@@ -170,6 +162,10 @@ public class LoginRequestHandler extends AbstractHandler {
byte[] businessTypeByteArr = BytesUtil.copyBytes(msgBody, startIndex, length);
String business = BytesUtil.bcd2Str(businessTypeByteArr);
// *********************** 字段解析完成，下面进行逻辑处理 *********************** //
verifyTheDuplicateRequest(ykcDataProtocol, channel);
LoginRequestData loginRequestData = LoginRequestData.builder()
.pileSn(pileSn)
.pileType(pileType)