I have a console app with a thread pool. I am finding that I can only have 2 threads calling this method below. On the third call, the request hangs and times out. I know the default timeout is -1 so it should never timeout. If I set the request timeout explicitly to -1, the request does not timeout but still only allows 2 threads to process at a time. I have verified that it is not a limitiation set by the ftp server. It is definitely something with the code. Please let me know if you have a suggestion.
public static void FtpDownload(string server, string username, string password, string pathIncludingFileName, string localName)
{
try
{
FtpWebRequest request = FtpWebRequest.Create("ftp://" + server + pathIncludingFileName) as FtpWebRequest;request.Method =
WebRequestMethods.Ftp.DownloadFile;request.Credentials =
new NetworkCredential(username, password);FtpWebResponse response = (FtpWebResponse)request.GetResponse();
using (BinaryReader reader = new BinaryReader(response.GetResponseStream()))
using (BinaryWriter writer = new BinaryWriter(File.Open(localName, FileMode.Create)))
{
byte[] buffer = new byte[2048];
int count = reader.Read(buffer, 0, buffer.Length);
while (count != 0)
{
writer.Write(buffer, 0, count);
count = reader.Read(buffer, 0, buffer.Length);
}
}
response.Close();
}
finally
{
}
}
FTP only allows 2 threads at a time
Paventhan
Mike,
I followed your instruction and Durga and still have the same problem. Am I doing something wrong here
FtpWebRequest request = FtpWebRequest.Create("ftp://" + server + pathIncludingFileName) as FtpWebRequest;request.Method =
WebRequestMethods.Ftp.DownloadFile;request.ServicePoint.ConnectionLimit = 10;
request.Credentials =
new NetworkCredential(username, password); FtpWebResponse response = (FtpWebResponse)request.GetResponse(); using (BinaryReader reader = new BinaryReader(response.GetResponseStream())) using (BinaryWriter writer = new BinaryWriter(File.Open(localName, FileMode.Create))){
byte[] buffer = new byte[2048]; int count = reader.Read(buffer, 0, buffer.Length); while (count != 0){
writer.Write(buffer, 0, count);
count = reader.Read(buffer, 0, buffer.Length);
}
}
response.Close();
}
finally{
}
}
dsMqplp
Please set the connection limit to a higher value.
ServicePointManager.DefaultConnectionLimit = 10 or
FtpWebrequest.ServicePoint.ConnectionLimit
Modoko