/// <summary>
/// Obtain status information for a Multi transfer.
/// </summary>
/// <returns>
/// An array of <see cref="MultiInfo"/> objects, one for each
/// <see cref="Easy"/> object child.
/// </returns>
/// <exception cref="System.NullReferenceException">
/// This is thrown if the native <c>Multi</c> handle wasn't
/// created successfully.
/// </exception>
public MultiInfo[] InfoRead()
{
if (m_bGotMultiInfo)
{
return(m_multiInfo);
}
m_bGotMultiInfo = true;
int nMsgs = 0;
IntPtr pInfo = External.curl_shim_multi_info_read(m_pMulti,
ref nMsgs);
if (pInfo != IntPtr.Zero)
{
int msgSize = sizeof(Int32) * 2 + IntPtr.Size;
m_multiInfo = new MultiInfo[nMsgs];
for (int i = 0; i < nMsgs; i++)
{
CURLMSG msg = (CURLMSG)Marshal.ReadInt32(
pInfo, i * msgSize);
IntPtr pEasy = Marshal.ReadIntPtr(
pInfo, i * msgSize + sizeof(Int32));
CURLcode code = (CURLcode)Marshal.ReadInt32(
pInfo, i * msgSize + sizeof(Int32) + IntPtr.Size);
m_multiInfo[i] = new MultiInfo(msg,
(Easy)m_htEasy[pEasy], code);
}
External.curl_shim_multi_info_free(pInfo);
}
return(m_multiInfo);
}