private static int ProgressCallback(ref int instance, CurlNative.OffT dltotal, CurlNative.OffT dlnow, CurlNative.OffT ultotal, CurlNative.OffT ulnow)
{
Curl curl;
lock (CallbackLock)
curl = Requests[instance];
int downloaded = dlnow;
int downloadTotal = dltotal;
if (downloaded != 0 && downloadTotal != 0)
{
curl.DownloadProgress = new Progress(downloaded, downloadTotal);
}
int uploaded = ulnow;
int uploadTotal = ultotal;
if (uploaded != 0 && uploadTotal != 0)
{
curl.UploadProgress = new Progress(uploaded, uploadTotal);
}
return(0);
}
private static CurlNative.OffT WriteCallback(IntPtr pointer, CurlNative.OffT size, CurlNative.OffT nmemb, ref int instance)
{
Curl curl;
lock (CallbackLock)
curl = Requests[instance];
int length = size * nmemb;
int bufferLength = curl._downloadOffset + length;
if (!curl._contentLengthFetched)
{
curl.ThrowIfNotOk(curl._memory.Curl.EasyGetInfo(CurlInfo.ContentLengthDownloadT, out CurlNative.OffT requestedLength));
bufferLength = Math.Max(bufferLength, requestedLength);
curl._contentLengthFetched = true;
}
if (curl._downloadBuffer.Length < bufferLength)
{
Array.Resize(ref curl._downloadBuffer, Math.Max(2 * curl._downloadBuffer.Length, bufferLength));
}
Marshal.Copy(pointer, curl._downloadBuffer, curl._downloadOffset, length);
curl._downloadOffset += length;
return(new CurlNative.OffT((uint)length));
}
private static CurlNative.OffT ReadCallback(IntPtr pointer, CurlNative.OffT size, CurlNative.OffT nmemb, ref int instance)
{
Curl curl;
lock (CallbackLock)
curl = Requests[instance];
int length = size * nmemb;
int dataLeft = curl._uploadBuffer.Length - curl._uploadOffset;
int toCopy = Math.Min(length, dataLeft);
Marshal.Copy(curl._uploadBuffer, curl._uploadOffset, pointer, toCopy);
curl._uploadOffset += toCopy;
return(new CurlNative.OffT((uint)(curl._uploadBuffer.Length - curl._uploadOffset)));
}