public static HttpWebResponse GetRangedResponse(HttpDownloadInfo info, long start, long end, WebRequest request, EventHandler <AfterGettingResponseEventArgs> after)
{
var response = (HttpWebResponse)request.GetResponse();
after.Raise(null, new AfterGettingResponseEventArgs(response));
if (response.ContentLength != end - start + 1)
{
throw new ReturnedContentSizeWrongException(start, end, response.ContentLength, end - start + 1);
}
return(response);
}
public static HttpWebRequest CreateHttpRequest(HttpDownloadInfo info, long start, long end, EventHandler <BeforeSendingRequestEventArgs> before)
{
if (start < 0 || (info.ContentSize > 0 && start >= info.ContentSize))
{
throw new Exception("Range start index is out of the bounds");
}
if (start > 0 && !info.AcceptRanges)
{
throw new Exception("Remote file doesn't support ranges");
}
var request = CreateHttpRequest(info.Url, before, false);
if (info.ContentSize > 0)
{
request.AddRange(start, end);
}
return(request);
}
public RemoteFilePropertiesChangedException(HttpDownloadInfo originalInfo, HttpDownloadInfo currentInfo)
{
this.OriginalInfo = originalInfo;
this.CurrentInfo = currentInfo;
}