gcd_nsurl_test.rb

framework 'Cocoa'

NSApplication.sharedApplication

class Request
  def get( url, &block )
    @buffer = NSMutableData.new
    @block = block
    request = NSMutableURLRequest.requestWithURL NSURL.URLWithString( url )
    NSURLConnection.alloc.initWithRequest( request, delegate:self )
  end
  
  def connection( conn, didReceiveResponse:resp )
    @response = resp
    @buffer.setLength 0
  end
  
  def connection( conn, didReceiveData:data )
    @buffer.appendData data
  end

  def connection( conn, didFailWithError:err )
    NSLog "Request failed"
  end
  
  def connectionDidFinishLoading( conn )
    @block.call( NSString.alloc.initWithData @buffer, encoding:NSUTF8StringEncoding )
  end
end

queue = Dispatch::Queue.new 'test'

10.times do |get_uri|
  queue.async do
    req = Request.new
    req.get( "http://macruby.com/" ) do |data|
      NSLog data.size
    end
  end
end

NSApp.run