Re: Connection timed out
Thanks for sharing your solution.
- martin
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Topic review
- Tony Smith
Connection timed out
Issue: WinSCP intermittently (< 1 in 250 times) unable to connect to required FTP site. Connection failure causes fatal error; execution of C# script stops.
Requirement was for a retry a few seconds later, up to a maximum of three attempts.
Spent numerous hours on forum/website. Knew there was an answer somewhere but couldn't find worked example or sufficient details of how to approach it in C#.
Did resolve issue, so code below is for others who may be searching for similar.
Requirement was for a retry a few seconds later, up to a maximum of three attempts.
Spent numerous hours on forum/website. Knew there was an answer somewhere but couldn't find worked example or sufficient details of how to approach it in C#.
Did resolve issue, so code below is for others who may be searching for similar.
// Set up session options
SessionOptions sessionOptions = new SessionOptions
{
Protocol = Protocol.Sftp,
HostName = _hostName,
UserName = _userName,
Password = _password,
SshHostKeyFingerprint = _sshHostKey,
};
using (Session session = new Session())
{
// Will continuously report progress of synchronization
session.FileTransferred += FileTransferred;
// Attempt to loop through opening the session three times.
int loop = 0;
while (loop < 3)
{
try
{
// Open session. Break out of loop if successful
session.Open(sessionOptions);
break;
}
catch (SessionRemoteException e)
{
//Increment the loop and wait 5 seconds. If three failed attempts, throw an exception
loop++;
if (loop >= 3) throw e;
Thread.Sleep(5000);
}
catch (Exception e)
{
// All other exceptions, pass e up to parent catch
throw e;
}
}
}