Visual Basic 6.0

Clear the SFTP Session Log

Demonstrates the Chilkat SFtp.ClearSessionLog method, which clears the in-memory text stored in the SessionLog property. It takes no arguments.

Background: With session logging enabled, the SessionLog accumulates a running record of the session's activity that is invaluable for diagnosing a failed transfer. Over a long-lived session that log grows unbounded, so clearing it frees memory — and, more usefully, lets you capture the log for one specific operation in isolation by clearing it just before and reading it just after.

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Visual Basic 6.0

Dim success As Long
success = 0

'  Demonstrates the SFtp.ClearSessionLog method, which clears the in-memory text stored in the
'  SessionLog property.  It takes no arguments.

Dim sftp As New ChilkatSFtp

'  Connect, authenticate, and initialize the SFTP subsystem.
Dim port As Long
port = 22
success = sftp.Connect("sftp.example.com",port)
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

'  Normally you would not hard-code the password in source.  You should instead obtain it
'  from an interactive prompt, environment variable, or a secrets vault.
Dim password As String
password = "mySshPassword"

success = sftp.AuthenticatePw("mySshLogin",password)
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

success = sftp.InitializeSftp()
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

'  When KeepSessionLog is enabled, the SessionLog property accumulates a record of the session's
'  activity, which is useful for debugging.
sftp.KeepSessionLog = 1

'  ... perform operations ...

'  Clear the accumulated log, for example before starting a new logical operation whose log you
'  want to capture in isolation.
sftp.ClearSessionLog 
Debug.Print "Session log cleared."

sftp.Disconnect