public void UpLoad(string url, string uname, string pwd, string ppath)
{
ManualResetEvent waitObject;
FileInfo fileInf = new FileInfo(ppath);
string fileName = fileInf.Name;
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(new Uri("ftp://" + url + "/" + fileInf.Name));
request.Method = WebRequestMethods.Ftp.UploadFile;
request.KeepAlive = false;
request.Credentials = new NetworkCredential(uname, pwd);
state.Request = request;
state.FileName = ppath;
// Get the event to wait on.
waitObject = state.OperationComplete;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(new AsyncCallback(EndGetStreamCallback), state);
// Block the current thread until all operations are complete.
// waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
B_Site_Log.Insert("FTP1", state.OperationException.ToString());
throw state.OperationException;
}
else
{
}
}
private void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
Stream requestStream = null;
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
FileStream stream = File.OpenRead(state.FileName);
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
}while (readBytes != 0);
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(new AsyncCallback(EndGetResponseCallback), state);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
B_Site_Log.Insert("FTP2", e.Message);
return;
}
}
private void EndGetResponseCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FtpWebResponse response = null;
try
{
response = (FtpWebResponse)state.Request.EndGetResponse(ar);
response.Close();
state.StatusDescription = response.StatusDescription;
// Signal the main application thread that
// the operation is complete.
state.OperationComplete.Set();
}
// Return exceptions to the main application thread.
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
}
}