private void SetContentLength(CURLoption lengthOption)
{
Debug.Assert(lengthOption == CURLoption.CURLOPT_POSTFIELDSIZE || lengthOption == CURLoption.CURLOPT_INFILESIZE);
if (_requestMessage.Content == null)
{
// Tell libcurl there's no data to be sent.
SetCurlOption(lengthOption, 0L);
return;
}
long?contentLengthOpt = _requestMessage.Content.Headers.ContentLength;
if (contentLengthOpt != null)
{
long contentLength = contentLengthOpt.GetValueOrDefault();
if (contentLength <= int.MaxValue)
{
// Tell libcurl how much data we expect to send.
SetCurlOption(lengthOption, contentLength);
}
else
{
// Similarly, tell libcurl how much data we expect to send. However,
// as the amount is larger than a 32-bit value, switch to the "_LARGE"
// equivalent libcurl options.
SetCurlOption(
lengthOption == CURLoption.CURLOPT_INFILESIZE ? CURLoption.CURLOPT_INFILESIZE_LARGE : CURLoption.CURLOPT_POSTFIELDSIZE_LARGE,
contentLength);
}
return;
}
// There is content but we couldn't determine its size. Don't set anything.
}
internal void SetCurlOption(CURLoption option, SafeHandle value)
{
ThrowIfCURLEError(Interop.Http.EasySetOptionPointer(_easyHandle, option, value));
}
internal void SetCurlOption(CURLoption option, long value)
{
ThrowIfCURLEError(Interop.Http.EasySetOptionLong(_easyHandle, option, value));
}
internal CURLcode TrySetCurlOption(CURLoption option, string value)
{
return(Interop.Http.EasySetOptionString(_easyHandle, option, value));
}
