Get the URL that this click will redirect to. This method first checks to see if the URL is passed in. If not, it checks the banner from the cache or database. As a last resort, it either uses the default banner URL or the referer.
A function to insert ad requests, ad impressions, ad clicks and tracker clicks into the raw tables. Does NOT work with tracker impressions.
A function to get various information that needs to be logged.
Check to see if a value is present in the cookie or request for a given parameter. If it is, then update it.
A function to check if the information to be logged should be logged or ignored, on the basis of the viewer's IP address or hostname.