public bool DownFile(CustomFileInfo currentDownFile)
{
lock (obj)
{
if (down != null)
{
down.Invoke(currentDownFile);
return true;
}
return false;
}
}
public IAsyncResult BeginUploadFile(CustomFileInfo currentUploadFile, AsyncCallback ra, object state)
{
throw new NotImplementedException();
}
public void UploadFile(CustomFileInfo currentUploadFile)
{
try
{
logger.Info("Begin to writer file...");
if (!Directory.Exists(MediaConfiguration.StoragePath))
{
Directory.CreateDirectory(MediaConfiguration.StoragePath);
}
var fs = new FileStream(MediaConfiguration.StoragePath + "\\" + currentUploadFile.FileName,
FileMode.OpenOrCreate, FileAccess.Write);
fs.Seek(currentUploadFile.CurrentOffset, SeekOrigin.Begin);
fs.BeginWrite(
currentUploadFile.CurrentData, 0,
currentUploadFile.CurrentLen,
delegate(IAsyncResult ra)
{
fs.EndWrite(ra);
fs.Close();
fs.Dispose();
}, null);
}
catch (Exception e)
{
logger.Error("Error occurred when writing file, details: {0}.", e);
}
}
private void DownFileCallBack(IAsyncResult ra)
{
var customFile = (CustomFile)ra.AsyncState;
int currentLen = customFile.FileStream.EndRead(ra);
if (currentLen != 0)
{
var customFileInfo = new CustomFileInfo();
customFileInfo.CurrentData = customFile.CurrentByte;
customFileInfo.CurrentOffset = customFile.FileStream.Position - currentLen;
customFileInfo.FileLength = customFile.FileStream.Length;
customFileInfo.CurrentLen = currentLen;
customFileInfo.FileName = customFile.FileName;
if (customFile.ClientCallBack != null && customFile.ClientCallBack.DownFile(customFileInfo))
{
customFile.FileStream.BeginRead(customFile.CurrentByte, 0, customFile.MaxLength, DownFileCallBack,
customFile);
}
else
{
customFile.FileStream.Close();
customFile.FileStream.Dispose();
}
}
else
{
customFile.FileStream.Close();
customFile.FileStream.Dispose();
}
}
public bool DownFile(CustomFileInfo currentDownFile)
{
MessageBox.Show("DownFile success!");
return true;
}