void SendFile(String fileName, String root)
{
FileFormat entity = new FileFormat(fileName, root);
MemoryStream format = new MemoryStream();
entity.Write(format);
format.Position = 0;
Client.Send(format);
Client.Send(entity.Stream);
}
/// <summary>
/// 从流中加载一个文件格式对象
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static FileFormat Load(Stream stream)
{
FileFormat ff = new FileFormat();
ff.Read(stream);
return ff;
}
/// <summary>处理收到的数据</summary>
/// <param name="e"></param>
protected override void OnReceive(ReceivedEventArgs e)
{
//base.OnReceive(e);
var stream = e.Packet.GetStream();
// 第一个数据包解析头部
if (e.Packet.Total > 0 && Inf == null)
{
var fi = new FileFormat();
try
{
fi.Read(stream);
if (fi.Checksum != fi.Crc)
{
throw new XException("文件{0}校验和错误{1:X8}!={2:X8}！", fi.Name, fi.Checksum, fi.Crc);
}
}
catch (Exception ex)
{
WriteError("无法解析文件头！{0}", ex.Message);
// 如果加载失败，则关闭会话
Dispose();
return;
}
Inf = fi;
Length = 0;
if (StartTime == DateTime.MinValue)
{
StartTime = Session.StartTime;
}
// 加大网络缓冲区
Session.Client.ReceiveBufferSize = 8 * 1024 * 1024;
var file = Host.SavedPath.CombinePath(Inf.Name).EnsureDirectory();
Stream = file.AsFile().OpenWrite();
WriteLog("接收{0}，{1:n0}kb", Inf.Name, Inf.Length / 1024);
if (stream.Position >= stream.Length)
{
return;
}
}
var len = stream.Length - stream.Position;
if (len > 0)
{
Length += len;
var ms = (DateTime.Now - StartTime).TotalMilliseconds;
var speed = Length / 1024 / ms * 1000;
WriteLog("收到{0:n0}字节，{1:n0}kb/s，完成{2:p}", len, (Int32)speed, (Double)Length / Inf.Length);
if (Stream != null && Stream.CanWrite)
{
Stream.Write(stream);
}
//}
//else
//{
if (Length >= Inf.Length)
{
//var ms = (DateTime.Now - StartTime).TotalMilliseconds;
//var speed = Length / 1024 / ms * 1000;
WriteLog("{0}接收完成，{1:n0}ms，{2:n0}kb/s", Inf.Name, (Int32)ms, (Int32)speed);
//Dispose();
// 清空，方便接收下一个文件
Inf = null;
CloseStream();
StartTime = DateTime.MinValue;
}
}
}