public void Pause()
{
removeInvalidDownloadingNum();
if (!DownloadStatusManager.IsPauseOrEnd(DownloadStatus))
{
_downloader.Stop();
}
}
private void updateSpeed(long speed)
{
if (DownloadStatus == DownloadStatus.Downloading)
{
Speed = getByteLengthString(speed) + "/s";
}
else
{
Speed = DownloadStatusManager.ToHanZi(DownloadStatus);
}
}
private void run()
{
while (true)
{
updateDynamicInfo();
if (!DownloadStatusManager.IsDownloadingOrWaiting(DownloadStatus))
{
break;
}
Thread.Sleep(1000);
}
}
public void TestDownloadStatusManager()
{
foreach (var status in Enum.GetValues(typeof(DownloadStatus)))
{
Assert.IsFalse(string.IsNullOrEmpty(DownloadStatusManager.ToHanZi((DownloadStatus)status)));
}
string.IsNullOrEmpty(DownloadStatusManager.ToHanZi((DownloadStatus)10));
statusCheck(DownloadStatusManager.IsWaitingOrPause, DownloadStatus.Waiting, DownloadStatus.Paused);
statusCheck(DownloadStatusManager.IsDownloading, DownloadStatus.Downloading, DownloadStatus.Ready);
statusCheck(DownloadStatusManager.IsDownloadingOrWaiting, DownloadStatus.Waiting, DownloadStatus.Downloading, DownloadStatus.Ready);
statusCheck(DownloadStatusManager.IsPauseOrEnd, DownloadStatus.Completed, DownloadStatus.Error, DownloadStatus.Deleted, DownloadStatus.Paused);
statusCheck(DownloadStatusManager.IsEndOfDownload, DownloadStatus.Completed, DownloadStatus.Error, DownloadStatus.Deleted);
}
private void onStatus()
{
DownloadStatus status = _downloader.DownloadingStatus;
if (!DownloadStatusManager.IsDownloadingOrWaiting(status))
{
Pause();
}
if (status == DownloadStatus.Completed)
{
onChanged(nameof(UpdatedLastestTime));
}
onChanged(nameof(ErrorInfo));
onChanged(nameof(DownloadStatus));
updateDynamicInfo();
}
public Downloader(IDownloadInfo info, DownloadStatus status, string errorInfo, string name)
{
DownloadInfo = info;
ErrorInfom = errorInfo;
Path = System.IO.Path.Combine(DownloadInfo.DownloadPath, name);
load();
if (DownloadingStatus == DownloadStatus.Waiting)
{
if (DownloadStatusManager.IsDownloadingOrWaiting(status))
{
status = DownloadStatus.Waiting;
}
onStatus(status);
updateFromDownloadedStatus();
}
}
private void updateDownloading()
{
if (!_isUpdateDowningIfChanged || !_needDowning)
{
return;
}
_needDowning = false;
while (DownloadingLimitManager.Instance.IsDownloadingLess())
{
Console.WriteLine("{0} - {1}", DownloadingLimitManager.Instance.DownloadingNum, DownloadingLimitManager.Instance.DownloadingSup);
lock (_downloads)
{
var down = _downloads.FirstOrDefault(_ => _.DownloadStatus == DownloadStatus.Waiting);
if (down != null)
{
down.Start();
}
else
{
break;
}
}
}
while (DownloadingLimitManager.Instance.IsDownloadingMore())
{
Console.WriteLine("{0} - {1}", DownloadingLimitManager.Instance.DownloadingNum, DownloadingLimitManager.Instance.DownloadingSup);
lock (_downloads)
{
var down = _downloads.LastOrDefault(_ => DownloadStatusManager.IsDownloading(_.DownloadStatus) && !_.IsPrior);
if (down != null)
{
down.Waiting();
}
else
{
break;
}
}
}
}
public void Start()
{
if (DownloadStatus == DownloadStatus.Completed)
{
return;
}
if (DownloadStatusManager.IsDownloading(DownloadStatus))
{
return;
}
if (IsPrior || DownloadingLimitManager.Instance.IsDownloadingLess())
{
removeInvalidDownloadingNum();
_downloading = true;
DownloadingLimitManager.Instance.DownloadingNum++;
updateThread();
_downloader.Start();
}
else
{
Waiting();
}
}
private void run()
{
try
{
//时间段分布
while (!_disposeEvent.WaitOne(1))
{
VideoTimePeriodsPacket valid = _download.GetVideoTimePeriods();
if (valid != null)
{
send(ParamCode.TimePeriods, VideoTimePeriodsPacket.Encode(valid));
break;
}
}
//视频包头
while (!_disposeEvent.WaitOne(1))
{
VideoBasePacket vbp = _download.GetVideoBasePacket();
if (vbp != null)
{
send(ParamCode.VideoBaseInfo, VideoBasePacket.Encode(vbp));
break;
}
}
//实时下载进度
while (!_disposeEvent.WaitOne(1))
{
Thread.Sleep(1000);
bool canStopFeedback = canStopFeedbackProcess();
VideoTimePeriodsPacket down = _download.GetCompletedTimePeriods();
if (down != null)
{
send(ParamCode.DownloadProgress, VideoTimePeriodsPacket.Encode(down));
}
if (canStopFeedback)
{
Console.WriteLine("Stop Feedback RealTime Process! ");
if (_download is OnlineDownloadManager)
{
var downStatus = (_download as OnlineDownloadManager).DownloadStatus;
if (downStatus != DownloadStatus.Completed)
{
var name = _download.GetVideoTimePeriods().VideoName;
string status = DownloadStatusManager.ToHanZi(downStatus);
string message = name + status + "!";
if (downStatus == DownloadStatus.Error)
{
message += "\n" + (_download as OnlineDownloadManager).ErrorInfo;
}
if (downStatus != DownloadStatus.Deleted)
{
sendMessage(MessageType.Warn, message, "停止更新下载进度！");
}
}
}
break;
}
}
}
catch (Exception ex)
{
Exception e = ex.InnerException == null? ex : ex.InnerException;
sendMessage(MessageType.Error, e.Message, "停止更新下载进度！");
Console.WriteLine(ex);
}
}
bool isNeedStartDownload()
{
return(IsPrior && (DownloadStatusManager.IsWaitingOrPause(DownloadStatus)));
}
public bool IsEndOfDownload()
{
return(DownloadStatusManager.IsEndOfDownload(DownloadStatus));
}
void updateIsDownloading()
{
_changedDownloadingFromService = true;
IsDownloading = DownloadStatusManager.IsDownloadingOrWaiting(DownloadStatus);
_changedDownloadingFromService = false;
}
