Objective-C

FTP Bandwidth Throttle for Downloads

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Demonstrates the Chilkat FTP2 download bandwidth throttling property : BandwidthThrottleDown. Objective-C

#import <CkoFtp2.h>
#import <NSString.h>

BOOL success = NO;

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

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

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 = [NSNumber numberWithInt:50000];

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

// Connect and login to the FTP server.
success = [ftp Connect];
if (success != YES) {
    NSLog(@"%@",ftp.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.
success = [ftp ChangeRemoteDir: @"junk"];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Download a file.
NSString *localFilename = @"hamlet.xml";
NSString *remoteFilename = @"hamlet.xml";

success = [ftp GetFile: remoteFilename localPath: localFilename];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

success = [ftp Disconnect];

NSLog(@"%@",@"File Downloaded!");