/// <summary>
/// 下载核心
/// </summary>
/// <param name="path"></param>
/// <param name="dir"></param>
/// <param name="filename"></param>
/// <param name="id"></param>
private void DownloadCore(string path, string dir, string filename)
{
try
{
using (FileDownloader loader = new FileDownloader(path, dir, filename, ThreadNum))
{
DownMessageDto msg = new DownMessageDto();
msg.Tag = DownStatus.Start;
msg.MD5String = FileId;
msg.Length = (int)loader.getFileSize();
SendMsgAction(msg);
using (DownloadProgressListener linstenter = new DownloadProgressListener(msg))
{
linstenter.doSendMsg = new DownloadProgressListener.dlgSendMsg(SendMsgAction);
loader.DownloadAction(linstenter);//真正开始下载数据
}
}
}
catch (Exception ex)
{
DownMessageDto msg = new DownMessageDto();
msg.Length = 0;
msg.Tag = DownStatus.Error;
msg.ErrMessage = ex.Message;
msg.MD5String = FileId;
SendMsgAction(msg);
Console.WriteLine(ex.Message);
}
}
/// <summary>
///
/// </summary>
/// <param name="msg"></param>
private void Change(DownMessageDto msg)
{
if (msg.Tag == DownStatus.Error || msg.Tag == DownStatus.End)
{
StartDown();
}
else if (msg.Tag == DownStatus.Start)
{
Console.WriteLine("开始下载");
}
}
public void OnDownloadSize(long size)
{
if (downMsg == null)
{
downMsg = new DownMessageDto();
}
//下载速度
if (downMsg.Size == 0)
{
downMsg.Speed = size;
}
else
{
downMsg.Speed = (float)(size - downMsg.Size);
}
if (downMsg.Speed == 0)
{
downMsg.Surplus = -1;
downMsg.SurplusInfo = "未知";
}
else
{
downMsg.Surplus = ((downMsg.Length - downMsg.Size) / downMsg.Speed);
}
downMsg.Size = size; //下载总量
//下载中
downMsg.Tag = DownStatus.DownLoad;
if (size == downMsg.Length)
{
//下载完成
downMsg.Tag = DownStatus.End;
downMsg.Speed = 0;
downMsg.SurplusInfo = "已完成";
}
doSendMsg?.Invoke(downMsg);//通知具体调用者下载进度
}
public DownloadProgressListener(DownMessageDto downmsg)
{
this.downMsg = downmsg;
//this.id = id;
//this.Length = Length;
}
