Пример #1
0
        public void ThreadConfig(XncfThreadBuilder xncfThreadBuilder)
        {
            xncfThreadBuilder.AddThreadInfo(new Ncf.XncfBase.Threads.ThreadInfo(
                                                name: "定时备份",
                                                intervalTime: TimeSpan.FromSeconds(30),
                                                task: async(app, threadInfo) =>
            {
                try
                {
                    //SenparcTrace.SendCustomLog("执行调试", "DatabaseToolkit.Register.ThreadConfig");
                    threadInfo.RecordStory("开始检测并备份");

                    using (var scope = app.ApplicationServices.CreateScope())
                    {
                        var serviceProvider = scope.ServiceProvider;

                        //检测当前模块是否可用
                        XncfRegisterManager xncfRegisterManager = new XncfRegisterManager(serviceProvider);
                        var xncfIsValiable = await xncfRegisterManager.CheckXncfValiable(this);
                        if (!xncfIsValiable)
                        {
                            throw new NcfModuleException($"{this.MenuName} 模块当前不可用,跳过数据库自动备份轮询");
                        }

                        //初始化数据库备份方法
                        BackupDatabase backupDatabase = new BackupDatabase(serviceProvider);
                        //初始化参数
                        var backupParam     = new BackupDatabase.BackupDatabase_Parameters();
                        var dbConfigService = serviceProvider.GetService <ServiceBase <DbConfig> >();
                        var dbConfig        = await dbConfigService.GetObjectAsync(z => true);
                        var stopBackup      = false;
                        try
                        {
                            if (dbConfig != null && dbConfig.BackupCycleMinutes > 0 && !dbConfig.BackupPath.IsNullOrEmpty())
                            {
                                if (SystemTime.NowDiff(dbConfig.LastBackupTime) > TimeSpan.FromMinutes(dbConfig.BackupCycleMinutes))
                                {
                                    backupParam.Path = dbConfig.BackupPath;
                                    //await backupParam.LoadData(serviceProvider);
                                    //threadInfo.RecordStory("完成备份设置数据载入");
                                }
                                else
                                {
                                    stopBackup = true;
                                }
                            }
                            else
                            {
                                threadInfo.RecordStory("不需要备份,或没有设置备份周期/路径,已忽略本次备份计划");
                                stopBackup = true;    //不需要备份,或没有设置,返回
                            }
                        }
                        catch (Exception ex)
                        {
                            threadInfo.RecordStory($@"遇到异常,可能未配置数据库,已忽略本次备份计划。如需启动,请更新此模块到最新版本。
异常信息:{ex.Message}
{ex.StackTrace}");
                            stopBackup = true;    //可能没有配置数据库,返回
                        }

                        if (stopBackup)
                        {
                            return;
                        }


                        //执行备份方法
                        threadInfo.RecordStory("备份开始:" + backupParam.Path);
                        var result = backupDatabase.Run(backupParam);
                        if (!result.Success)
                        {
                            threadInfo.RecordStory("执行备份发生异常:" + result.Message);
                            throw new Exception("执行备份发生异常");
                        }

                        dbConfig.RecordBackupTime();
                        await dbConfigService.SaveObjectAsync(dbConfig);

                        threadInfo.RecordStory("完成数据库自动备份:" + result.Message);
                        SenparcTrace.SendCustomLog("完成数据库自动备份", backupParam.Path);
                    }
                }
                catch (NcfModuleException ex)
                {
                    throw;
                }
                catch
                {
                    throw;
                }
                finally
                {
                    threadInfo.RecordStory("检测并备份结束");
                }
            },
                                                exceptionHandler: ex =>
            {
                SenparcTrace.SendCustomLog("DatabaseToolkit", $@"{ex.Message}
{ex.StackTrace}
{ex.InnerException?.StackTrace}");
                return(Task.CompletedTask);
            }));
        }