public static void UploadFile(string localFileToUpload, string targetUrl, string userName, string password, bool keepAlive)
{
FtpState state = new FtpState();
state.FileName = localFileToUpload;
StartUploadUsingFtpState(targetUrl, userName, password, keepAlive, state);
}
private static void EndGetResponseCallback(IAsyncResult result)
{
FtpState state = (FtpState)result.AsyncState;
FtpWebResponse response = null;
response = (FtpWebResponse)state.Request.EndGetResponse(result);
response.Close();
state.StatusDescription = response.StatusDescription;
state.OperationComplete.Set();
}
private static void EndGetStreamCallback(IAsyncResult result)
{
FtpState state = (FtpState)result.AsyncState;
Stream requestStream = null;
Stream uploadStream = null;
try
{
requestStream = state.Request.EndGetRequestStream(result);
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
if (!string.IsNullOrEmpty(state.TextToUpload))
{
byte[] byteArray = Encoding.ASCII.GetBytes(state.TextToUpload);
uploadStream = new MemoryStream(byteArray);
}
else
{
uploadStream = File.OpenRead(state.FileName);
}
do
{
readBytes = uploadStream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
}while (readBytes != 0);
requestStream.Close();
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
catch (WebException)
{
state.Request.Abort();
state.OperationComplete.Set();
state.OperationException = new Exception();
}
finally
{
if (uploadStream != null)
{
uploadStream.Close();
}
}
}
private static void StartUploadUsingFtpState(string targetUrl, string userName, string password, bool keepAlive, FtpState state)
{
ManualResetEvent waitObject;
FtpWebRequest request;
bool fileUploaded = false;
do
{
try
{
fileUploaded = true;
request = GetFtpWebRequest(targetUrl, userName, password, WebRequestMethods.Ftp.UploadFile, keepAlive);
waitObject = state.OperationComplete;
state.Request = request;
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
state.Request.GetResponse();
waitObject.WaitOne();
}
catch (WebException e)
{
if (e.ToString().Contains("550"))
{
fileUploaded = false;
CreateDirectory(userName, password, ReturnBaseDirectory(targetUrl), 2);
}
else
{
throw e;
}
}
} while (!fileUploaded);
}
