private void download(OperationInfo op)
{
Downloader d = null;
PcsFileInfo from;
try
{
fireOnProgress(op); // 触发一次进度改变
from = pcs.meta(op.from);
if (from.IsEmpty)
{
op.status = OperationStatus.Fail;
op.errmsg = "The remote file not exists (" + from.path + ").";
}
else if (from.isdir)
{
op.status = OperationStatus.Fail;
op.errmsg = "Can't download directory (" + from.path + ").";
}
else if (op.status == OperationStatus.Processing)
{
op.totalSize = from.size;
fireOnProgress(op); // 触发一次进度改变
//如果在进度处理程序中，改变了状态，则跳过继续处理
if (op.status == OperationStatus.Processing)
{
if (from.size > MultiThreadDownloader.MIN_SLICE_SIZE)
{
d = new MultiThreadDownloader(pcs, from, op.to, workfolder, getDownloadMaxThreadCount(), getMinDownloadSliceSize());
}
else
{
d = new Downloader(pcs, from, op.to);
}
d.Completed += du_onCompleted;
d.Progress += du_onProgress;
d.StateFileNameDecide += du_onStateFileNameDecide;
d.ThreadChanged += du_onThreadChanged;
d.State = op;
d.Download();
}
}
}
catch (Exception ex)
{
op.status = OperationStatus.Fail;
op.errmsg = ex.Message;
}
}
private void download(OperationInfo op)
{
Downloader d = null;
PcsFileInfo from;
try
{
fireOnProgress(op); // 触发一次进度改变
from = pcs.meta(op.from);
if (from.IsEmpty)
{
op.status = OperationStatus.Fail;
op.errmsg = "The remote file not exists (" + from.path + ").";
}
else if (from.isdir)
{
op.status = OperationStatus.Fail;
op.errmsg = "Can't download directory (" + from.path + ").";
}
else if (op.status == OperationStatus.Processing)
{
op.totalSize = from.size;
fireOnProgress(op); // 触发一次进度改变
//如果在进度处理程序中，改变了状态，则跳过继续处理
if (op.status == OperationStatus.Processing)
{
if (from.size > MultiThreadDownloader.MIN_SLICE_SIZE)
d = new MultiThreadDownloader(pcs, from, op.to, workfolder, getDownloadMaxThreadCount(), getMinDownloadSliceSize());
else
d = new Downloader(pcs, from, op.to);
d.Completed += du_onCompleted;
d.Progress += du_onProgress;
d.StateFileNameDecide += du_onStateFileNameDecide;
d.State = op;
d.Download();
}
}
}
catch (Exception ex)
{
op.status = OperationStatus.Fail;
op.errmsg = ex.Message;
}
}