(VB.NET) SCP Sync Tree Download

Synchronize local and remote directory trees by downloading newer or missing files from the remote server.

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim ssh As New Chilkat.Ssh

' Connect to an SSH server:
Dim hostname As String
Dim port As Integer

' Hostname may be an IP address or hostname:
hostname = "www.some-ssh-server.com"
port = 22

Dim success As Boolean = ssh.Connect(hostname,port)
If (success <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


' Wait a max of 5 seconds when reading responses..
ssh.IdleTimeoutMs = 5000

' Authenticate using login/password:
success = ssh.AuthenticatePw("myLogin","myPassword")
If (success <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If



' Once the SSH object is connected and authenticated, we use it
' in our SCP object.
Dim scp As New Chilkat.Scp

success = scp.UseSsh(ssh)
If (success <> True) Then
    Debug.WriteLine(scp.LastErrorText)
    Exit Sub
End If


Dim remoteRoot As String = "workspace/php"
Dim localRoot As String = "c:/aaworkarea/scp/workspace/php"

' Download synchronization modes:
' mode=0: Download all files
' mode=1: Download all files that do not exist on the local filesystem.
' mode=2: Download newer or non-existant files.
' mode=3: Download only newer files.  
'         If a file does not already exist on the local filesystem, it is not downloaded from the server.
' mode=5: Download only missing files or files with size differences.
' mode=6: Same as mode 5, but also download newer files.
Dim mode As Integer = 2

' Sync the entire tree by using recursion.
Dim bRecurse As Boolean = True

success = scp.SyncTreeDownload(remoteRoot,localRoot,mode,bRecurse)
If (success <> True) Then
    Debug.WriteLine(scp.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("SCP sync download success.")

' Disconnect
ssh.Disconnect()