private OnlineDownloadManager add(IDownloadInfo info, DownloadStatus status, bool isPrior, bool isLocalDownload, string errorInfo = null)
{
OnlineDownloadManager down = isLocalDownload? GetDownloadManager(info) : GetDownloadManagerIgnorePath(info);
if (down == null)
{
down = new OnlineDownloadManager(info, status, isLocalDownload, errorInfo);
add(down);
down.SetPriority(isPrior);
_needWriting = true;
}
else
{
if (isPrior)
{
down.SetPriority(isPrior);
}
if (!down.IsLocalDownload && isLocalDownload)
{
down.DownloadToLocal(info.DownloadPath);
}
}
Logger.Default.Trace($"添加下载任务：Guid: {down.GuidCode} 名称：{info.VideoName}, VideoId:{info.VideoId}, Stream:{info.StreamId}," +
$" Path:{info.DownloadPath}. Begin:{info.BeginTime}, End:{info.EndTime}, " +
$"SourceIp:{info.SourceIp}, SourcePort:{info.SourcePort},本地：{isLocalDownload}");
return(down);
}
private void delete(OnlineDownloadManager down)
{
lock (_downloads)
{
down.ExpandChanged -= onExpandChanged;
_downloads.Remove(down);
}
}
private void updateDownloadStatus(OnlineDownloadManager down)
{
if (down.DownloadStatus == DownloadStatus.Deleted)
{
delete(down);
}
_needDowning = _needWriting = true;
}
private void onPart(OnlineDownloadManager down, string obj)
{
byte[] buffer = DownloadInfoPartConverter.Encode(down, obj);
if (buffer != null)
{
onDownloadInfoPartChanged(buffer);
}
}
private void onDownloadChanged(OnlineDownloadManager down)
{
var handle = DownloadAdded;
if (handle != null)
{
handle(DownloadInfoExpandPacket.Encode(down));
}
}
private void add(OnlineDownloadManager down)
{
lock (_downloads)
{
down.ExpandChanged += onExpandChanged;
_downloads.Add(down);
onDownloadChanged(down);
}
}
private void onDownloadExpandChanged(OnlineDownloadManager download, string obj)
{
if (download == _download)
{
if (obj == nameof(download.IsLocalDownload) || obj == nameof(download.DownloadInfo))
{
sendDownloadPath(download);
}
}
}
private void onDownloadExpand(OnlineDownloadManager down, string obj)
{
switch (obj)
{
case nameof(down.DownloadStatus):
updateDownloadStatus(down);
break;
case nameof(down.IsLocalDownload):
_needWriting = true;
break;
case nameof(down.IsPrior):
_needDowning = true;
break;
}
}
private void onExpandChanged(OnlineDownloadManager down, string obj)
{
onDownloadExpand(down, obj);
onPart(down, obj);
}
