[C#] ftp : pourquoi mon fichier à uploader n'est pas accessible ?
Bonjour à tous,
J'ai le code suivant (msdn) qui me permet d'envoyer un fichier sur un serveur ftp.
Mais j'obtiens l'erreur suivant lorsque j'éxécute:
Code:
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Le serveur distant à retourner une erreur (550) : fichier non disponible (par exemple, fichier introuvable, accès impossible) |
Pourtant le fichier à envoyer exsiste bien, j'ai vérifier en debug à divers endroits du script et ça ma variable filename contient bien le chemin et nom de fichier.
Le script:
Code:
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using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.IO;
using System.Net;
using System.Windows.Forms;
namespace Webeuredi
{
class ftpState
{
private ManualResetEvent _wait;
private FtpWebRequest _request;
private string _fileName;
private Exception _operationException = null;
private string _status;
public ftpState()
{
_wait = new ManualResetEvent(false);
}
public ManualResetEvent OperationComplete
{
get { return _wait; }
}
public FtpWebRequest Request
{
get { return _request; }
set { _request = value; }
}
public string FileName
{
get { return _fileName; }
set { _fileName = value; }
}
public Exception OperationException
{
get { return _operationException; }
set { _operationException = value;}
}
public string StatusDescription
{
get { return _status; }
set { _status = value; }
}
}
public class AsynchronousFtpUploader
{
private Uri _target;
private string _filename;
private ftpState _state;
private FtpWebRequest _request;
ManualResetEvent _waitObject;
public AsynchronousFtpUploader(string target, string filename)
{
_target = new Uri(target);
_filename = filename;
_state = new ftpState();
_request = (FtpWebRequest)WebRequest.Create(_target);
_request.Method = WebRequestMethods.Ftp.UploadFile;
_request.Credentials = new NetworkCredential("anonymous", "anonymous@sga.com");
_state.Request = _request;
_state.FileName = _filename;
_waitObject = _state.OperationComplete;
_request.BeginGetRequestStream(new AsyncCallback(EndGetStreamCallback), _state);
_waitObject.WaitOne();
if (_state.OperationException != null)
{
throw _state.OperationException;
}
else
{
Console.WriteLine("The opration completed - {0}", _state.StatusDescription);
}
}
private void EndGetStreamCallback(IAsyncResult ar)
{
ftpState state = (ftpState) ar.AsyncState;
Stream requestStream = null;
try
{
requestStream = state.Request.EndGetRequestStream(ar);
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);
Console.WriteLine("Writing {0} bytes to the stream.", count);
requestStream.Close();
state.Request.BeginGetResponse(new AsyncCallback(EndGetResponseCallback),state);
}
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
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;
state.OperationComplete.Set();
}
catch (Exception e)
{
Console.WriteLine("Error getting response");
state.OperationException = e;
state.OperationComplete.Close();
}
}
}
} |
D'où peut venir ce message d'erreur ???
Merci grandement pour votre aide !
