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b8e344547a
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@ -9,6 +9,7 @@ import jakarta.annotation.Resource;
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import jakarta.servlet.http.HttpServletRequest;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.util.CollectionUtils;
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import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
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import java.io.IOException;
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@ -16,6 +17,10 @@ import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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/**
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* 流水线运行时日志管理
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* */
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@ -25,11 +30,12 @@ public class MemoryLogManager implements LoggerManager {
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/**
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* 第一级 是taskId,可能同一个账号、IP、建立多个连接所以保存为list
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* */
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private final static Map<String, List<SseEmitter>> taskIdSSEMap = new ConcurrentHashMap<>();
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private final Map<String, List<SseEmitter>> taskIdSSEMap = new ConcurrentHashMap<>();
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private final static Map<String,StringBuffer> taskIdMemoryLogMap = new ConcurrentHashMap<>();
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private final Map<String,StringBuffer> taskIdMemoryLogMap = new ConcurrentHashMap<>();
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public static final Integer FLUSH_DB_SIZE=2*1024*1024;
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public final Integer FLUSH_DB_SIZE=2*1024*1024;
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private ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
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/**
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* 缓存最近一次执行的日志,key是taskId,val是数据库id(已入库的情况下)用于buffer满了增加日志内容
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* 读取日志的时候同时读取数据库和内存中的日志
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@ -40,15 +46,16 @@ public class MemoryLogManager implements LoggerManager {
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@Override
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public SseEmitter subscribe(String taskId,HttpServletRequest request) {
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String ipAddr = IpUtil.getIpAddr(request);
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SseEmitter emitter = new SseEmitter(3000L);
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SseEmitter emitter = new SseEmitter(30000L);
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emitterInit(emitter,taskId);
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Long loginUserId = WebFrameworkUtils.getLoginUserId();
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log.info("SSE连接建立");
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log.info("当前请求ip:{}",ipAddr);
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log.info("当前用户id:{}",loginUserId);
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log.info("当前taskId:{}",loginUserId);
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List<SseEmitter> taskIdSSEList = taskIdSSEMap.getOrDefault(taskId, new ArrayList<>(1));
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List<SseEmitter> taskIdSSEList = taskIdSSEMap.computeIfAbsent(taskId, k->new ArrayList<>(1));
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taskIdSSEList.add(emitter);
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return emitter;
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}
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@ -59,7 +66,7 @@ public class MemoryLogManager implements LoggerManager {
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* 内存满4mb入库,查询日志和入库操作用同一把锁
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* 然后新内容推sse
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* */
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StringBuffer logCache = taskIdMemoryLogMap.getOrDefault(taskId, new StringBuffer());
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StringBuffer logCache = taskIdMemoryLogMap.computeIfAbsent(taskId, k -> new StringBuffer());
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int length = logCache.length();
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if (length>=FLUSH_DB_SIZE) {
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synchronized (this){
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@ -88,6 +95,16 @@ public class MemoryLogManager implements LoggerManager {
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}
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}
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logCache.append(logContent);
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List<SseEmitter> sseEmitters = taskIdSSEMap.get(taskId);
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if (!CollectionUtils.isEmpty(sseEmitters)) {
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for (SseEmitter sseEmitter : sseEmitters) {
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try {
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sseEmitter.send(logContent);
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} catch (IOException e) {
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log.error("",e);
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}
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}
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}
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}
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@Override
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@ -102,6 +119,14 @@ public class MemoryLogManager implements LoggerManager {
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}
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private void emitterInit(SseEmitter emitter,String taskId){
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// 维持心跳
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scheduler.scheduleWithFixedDelay(()-> {
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try {
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emitter.send("\n\n");
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} catch (IOException e) {
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log.error("",e);
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}
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},0,30,TimeUnit.SECONDS);
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emitter.onCompletion(()->{
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taskIdSSEMap.remove(taskId);
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log.info("===================taskId:{}断开连接===============",taskId);
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@ -124,7 +124,6 @@ public class TaskServiceImpl extends ServiceImpl<PipTaskDao, PipTask> implements
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@Override
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public CommonResult<String> getLogContentByTaskId(String taskId) {
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return CommonResult.success(loggerManager.getLogContent(taskId));
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}
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}
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