Exemple #1
0
        static void Main(string[] args)
        {
            //初始化缓存引擎
            KVStoreManager.SetEngine(new KVStoreEngine());

            while (true)
            {
                if (MediaQueueHelper.Instance.ListCount == 0)
                {
                    Console.WriteLine("========================================================".Log());
                    Console.WriteLine("正在初始化...".Log());
                    Console.WriteLine("检查需要被执行的任务...".Log());
                    var mediaTaskQo = new MediaTaskQO();
                    mediaTaskQo.Equal(MediaTaskQO.QueryEnums.Disabled, 0);
                    var mediaResult     = mediaService.GetMediataskDtosByPara(mediaTaskQo, false);
                    var taskRemainCount = mediaResult != null ? mediaResult.Count : 0;
                    Console.WriteLine($"当前任务数为{taskRemainCount}...".Log());
                    if (taskRemainCount > 0)
                    {
                        Console.WriteLine("正在将任务添加至队列中....".Log());
                        mediaResult.ForEach(m =>
                        {
                            MediaQueueHelper.Instance.AddQueue(m.Url, m.MediaTaskId);
                        });
                        Console.WriteLine("添加完成....".Log());
                    }
                    Console.WriteLine("初始化结束...".Log());
                    Console.WriteLine("处理队列中....".Log());
                    MediaQueueHelper.Instance.Start();
                    Console.WriteLine(Environment.NewLine);
                    Console.WriteLine(Environment.NewLine);
                }
            }
        }
Exemple #2
0
 static void Main()
 {
     KVStoreManager.SetEngine(new KVStoreEngine());
     Application.EnableVisualStyles();
     Application.SetCompatibleTextRenderingDefault(false);
     Application.Run(new Form1());
 }
Exemple #3
0
        static void Main(string[] args)
        {
            KVStoreManager.SetEngine(new KVStoreEngine());
            AppDomain.CurrentDomain.ProcessExit += new EventHandler(CurrentDomain_ProcessExit);
            while (true)
            {
                List <ViewModel.DownloadEntity> downloadTasks = null;
                //如果出现异常,重试4次
                var queryFlag = 0;
                for (int i = 0; i < 5; i++)
                {
                    try
                    {
                        if (queryFlag <= 0)
                        {
                            var downQo = new DownloadQO();
                            downQo.Equal(DownloadQO.QueryEnums.Disabled, 0).OrderByAsc("Disabled");
                            downloadTasks = mediaService.GetDownloadDtosByPara(downQo, false);
                            if (downloadTasks == null || !downloadTasks.Any())
                            {
                                Console.WriteLine("当前批次下载任务已完成,等待10秒继续扫描待下载的任务...".Log());
                                System.Threading.Thread.Sleep(10000);
                                continue;
                            }
                            queryFlag += 1;
                        }
                        else
                        {
                            break;
                        }
                        if (i == 4)
                        {
                            Console.WriteLine("当前程序已重试4次,未正常获取到数据,程序正在退出...".Log());
                            Environment.Exit(-1);//退出
                        }
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine($"查询下载任务出现异常,异常信息:{e.Message},正在进行第{i + 1}次重试...".Log());
                        queryFlag -= 1;
                    }
                }


                //生成下载任务,并保存到指定目录
                for (int i = 0; i < downloadTasks.Count; i++)
                {
                    try
                    {
                        Console.WriteLine($"[正在下载资源:{downloadTasks[i].HttpUrl}][{DateTime.Now}]".Log());
                        // 设置参数
                        var    httpUrl = downloadTasks[i].HttpUrl;
                        Stream rps     = null;
                        try
                        {
                            HttpWebRequest rq = WebRequest.Create(httpUrl) as HttpWebRequest;
                            //发送请求并获取相应回应数据
                            HttpWebResponse rp = rq.GetResponse() as HttpWebResponse;
                            //直到request.GetResponse()程序才开始向目标网页发送Post请求
                            rps = rp.GetResponseStream();
                        }
                        catch (Exception e)
                        {
                            Console.WriteLine($"下载出现异常:{e.Message}".Log());
                            continue;
                        }

                        //目标目录
                        var insDir = Environment.CurrentDirectory + "\\" + downloadTasks[i].DirName;
                        //创建本地文件写入流
                        if (!Directory.Exists(insDir))
                        {
                            Directory.CreateDirectory(insDir);
                        }
                        //网络资源文件是否已下载
                        var fileReg        = new Regex("(\\d+_){3}\\w*.(jpg|jpeg|png|mp4|flv|gif)");
                        var sourceFileName = fileReg.Match(httpUrl).Value;

                        //校验目标目录中的文件是否已存在,如果存在则跳过,否则下载
                        if (File.Exists(insDir + "\\" + sourceFileName))
                        {
                            Console.WriteLine($"[{sourceFileName}][此资源已下载,跳过]!".Log());
                            continue;
                        }

                        Stream st  = new FileStream(insDir + $"\\{sourceFileName}", FileMode.Create);
                        byte[] bar = new byte[1024];
                        int    sz  = rps.Read(bar, 0, (int)bar.Length);
                        while (sz > 0)
                        {
                            st.Write(bar, 0, sz);
                            sz = rps.Read(bar, 0, (int)bar.Length);
                        }
                        st.Close();
                        rps.Close();
                        Console.WriteLine("[资源下载完成!]".Log());
                        downloadTasks[i].Disabled       = 1;
                        downloadTasks[i].Rec_ModifyBy   = sys;
                        downloadTasks[i].Rec_ModifyTime = DateTime.Now;
                        mediaService.UpdateDownload(downloadTasks[i]);
                    }
                    catch (Exception e)
                    {
                        throw e;
                    }
                }
                Console.WriteLine($"当前批次下载任务已完成,等待10秒继续扫描待下载的任务...[{DateTime.Now}]".Log());
                System.Threading.Thread.Sleep(10000);
            }
        }