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Objective-C Examples

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(Objective-C) Asynchronous HTTPS Upload (TLS)

Demonstrates how to do an HTTPS (TLS) upload asynchronously in a background thread.

A server-side C# example showing how to receive an upload is located at C# ASP.NET Code to Receive Upload

Chilkat Objective-C Library Downloads

MAC OS X (Cocoa) Libs

iOS Libs

#import "CkoUpload.h"



CkoUpload *upload = [[CkoUpload alloc] init];

//  Specify the page (ASP, ASP.NET, Perl, Python, Ruby, CGI, etc)
//  that will process the HTTP Upload.
upload.Hostname = @"www.mywebserver.com";
upload.Path = @"/receiveUpload.aspx";

//  Add one or more files to be uploaded.
[upload AddFileReference: @"file1" path: @"dude.gif"];
[upload AddFileReference: @"file2" path: @"pigs.xml"];
[upload AddFileReference: @"file3" path: @"sample.doc"];

//  To upload using SSL/TLS (https), set the Ssl property = YES
upload.Ssl = YES;

//  Begin the HTTP upload in a background thread:
BOOL success = [upload BeginUpload];
if (success != YES) {
    NSLog(@"%@",upload.LastErrorText);
}
else {
    NSLog(@"%@",@"Upload started..");
}

//  Wait for the upload to finish.
//  Print the progress as we wait...
while ((upload.UploadInProgress == YES)) {
    //  We can abort the upload at any point by calling:
    //  upload.AbortUpload();

    //  Display the percentage complete and the number of bytes uploaded so far..
    //  The total upload size will become set after the upload begins:
    NSLog(@"%d%@%d%@%d",[upload.PercentUploaded intValue],@"% ",[upload.NumBytesSent intValue],@"/",[upload.TotalUploadSize intValue]);

    //  Sleep 2/10ths of a second.
    [upload SleepMs: [NSNumber numberWithInt: 200]];

}

//  Did the upload succeed?
if (upload.UploadSuccess == YES) {
    NSLog(@"%@",@"Files uploaded!");
}
else {
    NSLog(@"%@",upload.LastErrorText);
}


 

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