Dart

FTP Bandwidth Throttle for Downloads

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Demonstrates the Chilkat FTP2 download bandwidth throttling property : BandwidthThrottleDown. Dart

import 'package:chilkat/chilkat.dart';

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

  final ftp = CkFtp2();

  ftp.hostname = 'ftp.example.com';
  ftp.username = 'login';
  ftp.password = 'password';

  // To use FTP bandwidth throttling, set the BandwidthThrottleDown
  // property to a maximum desired bytes/second:
  // This example limits the download to 50K per second.
  ftp.bandwidthThrottleDown = 50000;

  // The default data transfer mode is "Active" as opposed to "Passive".

  // Connect and login to the FTP server.
  try {
    ftp.connect();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Change to the remote directory where the file is located.
  // This step is only necessary if the file is not in the root directory
  // for the FTP account.
  try {
    ftp.changeRemoteDir('junk');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Download a file.
  final localFilename = 'hamlet.xml';
  final remoteFilename = 'hamlet.xml';

  try {
    ftp.getFile(remoteFilename, localFilename);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  ftp.disconnect();

  print('File Downloaded!');
}