| New file | 
 |  |  | 
 |  |  | package com.dy.rtuMw.resource.rtuLog; | 
 |  |  |  | 
 |  |  | import java.io.BufferedWriter; | 
 |  |  | import java.io.File; | 
 |  |  | import java.io.FileInputStream; | 
 |  |  | import java.io.FileOutputStream; | 
 |  |  | import java.io.IOException; | 
 |  |  | import java.io.OutputStreamWriter; | 
 |  |  |  | 
 |  |  | import com.dy.rtuMw.resource.ResourceUnit; | 
 |  |  | import org.apache.logging.log4j.LogManager; | 
 |  |  | import org.apache.logging.log4j.Logger; | 
 |  |  |  | 
 |  |  | import com.dy.common.util.DateTime; | 
 |  |  | import com.dy.common.queue.Queue; | 
 |  |  | import com.dy.common.threadPool.ThreadPool; | 
 |  |  | import com.dy.common.threadPool.TreadPoolFactory; | 
 |  |  |  | 
 |  |  | public class RtuLogManager { | 
 |  |  | 	 | 
 |  |  |    private static final Logger log = LogManager.getLogger(RtuLogManager.class) ; | 
 |  |  | 	 | 
 |  |  |    private static final RtuLogManager instance = new RtuLogManager() ; | 
 |  |  | 	 | 
 |  |  |    private static final Queue logQueue = new Queue("rtuLogQueue") ; | 
 |  |  | 	 | 
 |  |  |    private static final Integer maxNodeAddWorkThread = 500 ;//缓存达到这个数量,将增加线程  | 
 |  |  |    private static final Integer maxWorkThread = 5 ;//最大工作线程数 | 
 |  |  |    private static final Object maxWorkThreadSynObj = new Object() ;//最大工作线程数 | 
 |  |  |    private static int workThread = 0 ;//工作线程数 | 
 |  |  | 	 | 
 |  |  |    private RtuLogManager(){ | 
 |  |  |    } | 
 |  |  |    @SuppressWarnings("unused") | 
 |  |  |    public static RtuLogManager getInstance(){ | 
 |  |  |       return instance ; | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    /** | 
 |  |  |     * 设置队列限制 | 
 |  |  |     * @param warnSize 队列节点数量 报警值 | 
 |  |  |     * @param maxSize 队列节点数量 最大值 | 
 |  |  |     */ | 
 |  |  |    @SuppressWarnings("unused") | 
 |  |  |    public void setQueueLimit(int warnSize, int maxSize){ | 
 |  |  |       logQueue.setLimit(warnSize, maxSize); | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    /** | 
 |  |  |     * 加入Rtu日志数据 | 
 |  |  |     * 在单线程中执行 | 
 |  |  |     * @param logNodeObj 日志队列节点对象 | 
 |  |  |     * @throws Exception 异常 | 
 |  |  |     */ | 
 |  |  |    public void pushRtuLog(RtuLogNode logNodeObj) throws Exception{ | 
 |  |  |       logQueue.pushTail(logNodeObj); | 
 |  |  |       //在单线程中执行 | 
 |  |  |       if(workThread <= 0){ | 
 |  |  |          startWorkThread() ; | 
 |  |  |       } | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    /** | 
 |  |  |     * 启动工作线程工作 | 
 |  |  |     */ | 
 |  |  |    private void startWorkThread(){ | 
 |  |  |       workThread ++  ; | 
 |  |  |       try { | 
 |  |  |          TreadPoolFactory.getThreadPoolShort().putJob(new ThreadPool.Job() { | 
 |  |  |             public void execute() { | 
 |  |  |                while(logQueue.size() > 0){ | 
 |  |  |                   RtuLogNode node ; | 
 |  |  |                   if(workThread > 1){ | 
 |  |  |                      synchronized(logQueue){ | 
 |  |  |                         node = (RtuLogNode)logQueue.pop() ; | 
 |  |  |                      } | 
 |  |  |                   }else{ | 
 |  |  |                      node = (RtuLogNode)logQueue.pop() ; | 
 |  |  |                   } | 
 |  |  |                   if(node != null){ | 
 |  |  |                      //日志文件存储 | 
 |  |  |                      log(node.rtuAddr, node.content) ; | 
 |  |  |                   } | 
 |  |  | 						 | 
 |  |  |                   if(RtuLogManager.logQueue.size() > maxNodeAddWorkThread){ | 
 |  |  |                      if(workThread < maxWorkThread){ | 
 |  |  |                         synchronized(maxWorkThreadSynObj){ | 
 |  |  |                            if(workThread < maxWorkThread){ | 
 |  |  |                               startWorkThread() ; | 
 |  |  |                            } | 
 |  |  |                         } | 
 |  |  |                      } | 
 |  |  |                   } | 
 |  |  |                } | 
 |  |  |                workThread --  ; | 
 |  |  |                if(workThread < 0){ | 
 |  |  |                   workThread = 0 ; | 
 |  |  |                } | 
 |  |  |             } | 
 |  |  | 				 | 
 |  |  | 							 | 
 |  |  |             /* | 
 |  |  |              * 强制停止execute方法中执行的死循环工作 | 
 |  |  |              */ | 
 |  |  |             @Override | 
 |  |  |             public void destroy() { | 
 |  |  |                //再将启动,防止无线程处理了 | 
 |  |  |                startWorkThread() ; | 
 |  |  |             } | 
 |  |  |  | 
 |  |  |             /** | 
 |  |  |              * execute方法中调用此方法判断是否结束死循环工作 | 
 |  |  |              */ | 
 |  |  |             @Override | 
 |  |  |             public boolean isDestroy() { | 
 |  |  |                return false; | 
 |  |  |             } | 
 |  |  |          }) ; | 
 |  |  |       }catch(Exception e){ | 
 |  |  |          log.error(e); | 
 |  |  |          workThread -- ; | 
 |  |  |          if(workThread < 0){ | 
 |  |  |             workThread = 0 ; | 
 |  |  |          } | 
 |  |  |       } | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    /** | 
 |  |  |     * 记录Rtu日志 | 
 |  |  |     * @param rtuAddr 控制器地址 | 
 |  |  |     * @param content 日志内容 | 
 |  |  |     */ | 
 |  |  |    private void log(String rtuAddr , String content){ | 
 |  |  |       Object[] res = getFileForWrite(ResourceUnit.confVo.rtuLogDir , rtuAddr.trim()) ; | 
 |  |  |       if(res[0] != null){ | 
 |  |  |          writeLog((File)res[0] , DateTime.yyyy_MM_dd_HH_mm_ss() + "  " + content) ; | 
 |  |  |       }else{ | 
 |  |  |          log.error("不能得到地址为:" + rtuAddr + "的Rtu日志文件!(信息编码" + res[1] + ")") ; | 
 |  |  |       } | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    /** | 
 |  |  |     * 得到日志文件 | 
 |  |  |     * @param path 文件路径 | 
 |  |  |     * @param rtuAddr 控制器地址 | 
 |  |  |     * @return 日志文件 | 
 |  |  |     */ | 
 |  |  |    private Object[] getFileForWrite(String path , String rtuAddr) { | 
 |  |  |       File dir = new File(path) ; | 
 |  |  |       if(!dir.exists()){ | 
 |  |  |          if(!dir.mkdirs()){ | 
 |  |  |             return new Object[]{null, 1} ; | 
 |  |  |          } | 
 |  |  |       } | 
 |  |  |       File f = new File(path + rtuAddr + ".log"); | 
 |  |  |       FileInputStream in = null; | 
 |  |  |       try { | 
 |  |  |          if (f.exists()) { | 
 |  |  |             in = new FileInputStream(f); | 
 |  |  |             if(in.available() >= ResourceUnit.confVo.rtuLogFileMaxSize){ | 
 |  |  |                in.close() ;//必须加上此语句 | 
 |  |  |                File oldestLog = new File(path + rtuAddr + ".log." + (ResourceUnit.confVo.rtuLogFileMaxCount - 1)) ; | 
 |  |  |                if(oldestLog.exists()){ | 
 |  |  |                   if(!oldestLog.delete()){ | 
 |  |  |                      return new Object[]{null, 2} ; | 
 |  |  |                   } | 
 |  |  |                } | 
 |  |  |                for(int i = (ResourceUnit.confVo.rtuLogFileMaxCount - 2) ; i > 0  ; i--){ | 
 |  |  |                   File oldLog = new File(path + rtuAddr + ".log." + i) ; | 
 |  |  |                   if(oldLog.exists()){ | 
 |  |  |                      if(!oldLog.renameTo(new File(path + rtuAddr + ".log." + (i + 1)))){ | 
 |  |  |                         return new Object[]{null, 3} ; | 
 |  |  |                      } | 
 |  |  |                      if(!oldLog.delete()){ | 
 |  |  |                         //2025-06-28 对于水肥机FBox上报数据比较频繁,实测老文件常有删除不了的情况发生, | 
 |  |  |                         //一次删除不了,下次再可删除,所以下面return去除 | 
 |  |  |                         //return new Object[]{null, 4} ; | 
 |  |  |                      } | 
 |  |  |                   } | 
 |  |  |                } | 
 |  |  |                if(!f.renameTo(new File(path + rtuAddr + ".log." + 1))){ | 
 |  |  |                   return new Object[]{null, 5} ; | 
 |  |  |                } | 
 |  |  |                //2024-10-11 上面rename了,应该不用delete了 | 
 |  |  |                //if(!f.delete()){ | 
 |  |  |                //   return new Object[]{null, 6} ; | 
 |  |  |                //} | 
 |  |  |  | 
 |  |  |                f = new File(path + rtuAddr + ".log"); | 
 |  |  |                if(!f.exists()){ | 
 |  |  |                   if(f.createNewFile()){ | 
 |  |  |                      return new Object[]{f, 7} ; | 
 |  |  |                   }else{ | 
 |  |  |                      return new Object[]{null, 8} ; | 
 |  |  |                   } | 
 |  |  |                } | 
 |  |  |             }else{ | 
 |  |  |                return new Object[]{f, 9} ; | 
 |  |  |             } | 
 |  |  |          }else{ | 
 |  |  |             if(f.createNewFile()){ | 
 |  |  |                return new Object[]{f, 10} ; | 
 |  |  |             }else{ | 
 |  |  |                return new Object[]{null, 11} ; | 
 |  |  |             } | 
 |  |  |          } | 
 |  |  |       } catch (Exception e) { | 
 |  |  |          log.error("得到Rtu(" + rtuAddr + ")日志文件时出错" , e) ; | 
 |  |  |       }finally{ | 
 |  |  |          try { | 
 |  |  |             if (in != null) { | 
 |  |  |                in.close(); | 
 |  |  |             } | 
 |  |  |          } catch (IOException e) { | 
 |  |  |             log.error("关闭Rtu日志文件(" + f.getName() + ")读入流时出错" , e) ; | 
 |  |  |          } | 
 |  |  |       } | 
 |  |  |       return new Object[]{null, 12} ; | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    /** | 
 |  |  |     * 向文件中写入日志 | 
 |  |  |     * @param f 文件 | 
 |  |  |     * @param conent 日志内容 | 
 |  |  |     */ | 
 |  |  |    private void writeLog(File f, String conent) { | 
 |  |  |       if (f.exists()) { | 
 |  |  |          BufferedWriter out = null; | 
 |  |  |          try { | 
 |  |  |             out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(f, true))); // 参数为true,表示追加内容 | 
 |  |  |             out.write(conent + "\n"); | 
 |  |  |          } catch (Exception e) { | 
 |  |  |             log.error("写入Rtu日志文件(" + f.getName() + ")时出错" , e) ; | 
 |  |  |          } finally { | 
 |  |  |             try { | 
 |  |  |                if (out != null) { | 
 |  |  |                   out.close(); | 
 |  |  |                } | 
 |  |  |             } catch (IOException e) { | 
 |  |  |                log.error("关闭Rtu日志文件(" + f.getName() + ")写出流时出错" , e) ; | 
 |  |  |             } | 
 |  |  |          } | 
 |  |  |       } | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  | } |