Lazarus Pascal

SCP Sync Tree Upload

See more SCP Examples

Synchronize local and remote directory trees by uploading newer or missing files to the remote server. Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Ssh,
  Chilkat.Scp;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  ssh: TSsh;
  hostname: string;
  port: Integer;
  scp: TScp;
  remoteRoot: string;
  localRoot: string;
  bRecurse: Boolean;
  mode: Integer;

begin
  success := False;

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

  ssh := TSsh.Create;

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

  //  Connect to an SSH server:
  success := ssh.Connect(hostname,port);
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  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
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  Once the SSH object is connected and authenticated, we use it
  //  in our SCP object.
  scp := TScp.Create;

  success := scp.UseSsh(ssh);
  if (success <> True) then
    begin
      WriteLn(scp.LastErrorText);
      Exit;
    end;

  //  The remoteRoot is relative to the HOME directory of the SSH user account.
  remoteRoot := 'workspace/projectB';
  localRoot := 'c:/aaworkarea/scp/workspace/projectB';

  //  Upload synchronization modes:
  //  mode=0: Upload all files
  //  mode=1: Upload all files that do not exist on the FTP server.
  //  mode=2: Upload newer or non-existant files.
  //  mode=3: Upload only newer files.  If a file does not already exist on the FTP server, it is not uploaded.
  //  mode=4: transfer missing files or files with size differences.
  //  mode=5: same as mode 4, but also newer files.

  //  Additional files and directores can be excluded by setting the SyncMustNotMatch property.
  //  The SyncMustNotMatch patterns apply only to the final filename or directory part of a path.
  //  If a directory matches, then it will not be traversed in a recursive traversal.
  //  
  scp.SyncMustNotMatch := '*.o;*.obj;*.log; temp';

  //  The SyncMustMatch property can be set to restrict the files uploaded to only those
  //  matching at least one pattern in a set.
  scp.SyncMustMatch := '*.cpp; *.h';

  //  Do the recursive sync to upload newer or non-existant files:
  bRecurse := True;
  mode := 2;
  success := scp.SyncTreeUpload(localRoot,remoteRoot,mode,bRecurse);
  if (success <> True) then
    begin
      WriteLn(scp.LastErrorText);
      Exit;
    end;

  //  The files actually uploaded can be examined in the SyncedFiles property.
  //  It is a string property that contains the relative path, one per line, of each
  //  file uploaded.
  WriteLn('Files uploaded: ');
  WriteLn(scp.SyncedFiles);

  WriteLn('----');
  WriteLn('SCP sync upload success.');

  //  Disconnect
  ssh.Disconnect();


  ssh.Free;
  scp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.