// called by libcurlshim
private static int ReadDelegate(IntPtr buf, int sz, int nmemb,
IntPtr parm)
{
int bytes = sz * nmemb;
byte[] b = new byte[bytes];
GCHandle gch = (GCHandle)parm;
Easy easy = (Easy)gch.Target;
if (easy == null)
{
return(0);
}
if (easy.m_pfRead == null)
{
return(0);
}
int nRead = easy.m_pfRead(b, sz, nmemb, easy.m_readData);
if (nRead > 0)
{
for (int i = 0; i < nRead; i++)
{
Marshal.WriteByte(buf, i, b[i]);
}
}
return(nRead);
}
/// <summary>
/// Remove an Easy object.
/// </summary>
/// <param name="easy">
/// <see cref="Easy"/> object to remove.
/// </param>
/// <returns>
/// A <see cref="CURLMcode"/>, hopefully <c>CURLMcode.CURLM_OK</c>
/// </returns>
/// <exception cref="System.NullReferenceException">
/// This is thrown if the native <c>Multi</c> handle wasn't
/// created successfully.
/// </exception>
public CURLMcode RemoveHandle(Easy easy)
{
EnsureHandle();
IntPtr p = easy.GetHandle();
m_htEasy.Remove(p);
return(External.curl_multi_remove_handle(m_pMulti,
easy.GetHandle()));
}
/// <summary>
/// Add an Easy object.
/// </summary>
/// <param name="easy">
/// <see cref="Easy"/> object to add.
/// </param>
/// <returns>
/// A <see cref="CURLMcode"/>, hopefully <c>CURLMcode.CURLM_OK</c>
/// </returns>
/// <exception cref="System.NullReferenceException">
/// This is thrown if the native <c>Multi</c> handle wasn't
/// created successfully.
/// </exception>
public CURLMcode AddHandle(Easy easy)
{
EnsureHandle();
IntPtr p = easy.GetHandle();
m_htEasy.Add(p, easy);
return(External.curl_multi_add_handle(m_pMulti,
easy.GetHandle()));
}
// called by libcurlshim
private static CURLIOERR IoctlDelegate(CURLIOCMD cmd,
IntPtr parm)
{
GCHandle gch = (GCHandle)parm;
Easy easy = (Easy)gch.Target;
// let's require all of these to be non-null
if (easy == null || easy.m_pfIoctl == null ||
easy.m_ioctlData == null)
{
return(CURLIOERR.CURLIOE_UNKNOWNCMD);
}
return(easy.m_pfIoctl(cmd, easy.m_ioctlData));
}
// called by libcurlshim
private static int SSLCtxDelegate(IntPtr ctx, IntPtr parm)
{
int ok = (int)CURLcode.CURLE_OK;
GCHandle gch = (GCHandle)parm;
Easy easy = (Easy)gch.Target;
if (easy == null)
{
return(ok);
}
if (easy.m_pfSSLContext == null)
{
return(ok); // keep going
}
SSLContext context = new SSLContext(ctx);
return((int)easy.m_pfSSLContext(context, easy.m_sslContextData));
}
// called by libcurlshim
private static int DebugDelegate(CURLINFOTYPE infoType,
IntPtr msgBuf, int msgBufSize, IntPtr parm)
{
GCHandle gch = (GCHandle)parm;
Easy easy = (Easy)gch.Target;
if (easy == null)
{
return(0);
}
if (easy.m_pfDebug == null)
{
return(0);
}
String message = Marshal.PtrToStringAnsi(msgBuf, msgBufSize);
easy.m_pfDebug(infoType, message, easy.m_debugData);
return(0);
}
// called by libcurlshim
private static int ProgressDelegate(IntPtr parm, double dlTotal,
double dlNow, double ulTotal, double ulNow)
{
GCHandle gch = (GCHandle)parm;
Easy easy = (Easy)gch.Target;
if (easy == null)
{
return(0);
}
if (easy.m_pfProgress == null)
{
return(0);
}
int nprog = easy.m_pfProgress(easy.m_progressData, dlTotal,
dlNow, ulTotal, ulNow);
return(nprog);
}
private Easy(Easy from)
{
m_pCURL = External.curl_easy_duphandle(from.m_pCURL);
EnsureHandle();
m_pMyStrings = External.curl_shim_alloc_strings();
m_pfWrite = null;
m_privateData = null;
m_writeData = null;
m_pfRead = null;
m_readData = null;
m_pfProgress = null;
m_progressData = null;
m_pfDebug = null;
m_debugData = null;
m_pfHeader = null;
m_headerData = null;
m_pfSSLContext = null;
m_sslContextData = null;
m_pfIoctl = null;
m_ioctlData = null;
InstallDelegates();
}
// called by libcurlshim
private static int WriteDelegate(IntPtr buf, int sz, int nmemb,
IntPtr parm)
{
int bytes = sz * nmemb;
byte[] b = new byte[bytes];
for (int i = 0; i < bytes; i++)
{
b[i] = Marshal.ReadByte(buf, i);
}
GCHandle gch = (GCHandle)parm;
Easy easy = (Easy)gch.Target;
if (easy == null)
{
return(0);
}
if (easy.m_pfWrite == null)
{
return(bytes); // keep going
}
return(easy.m_pfWrite(b, sz, nmemb, easy.m_writeData));
}
internal MultiInfo(CURLMSG msg, Easy easy, CURLcode result)
{
m_msg = msg;
m_easy = easy;
m_result = result;
}