private static unsafe string GetKnownHeader(HTTP_REQUEST *request, long fixup, int headerIndex)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(null);
}
string header = null;
HTTP_KNOWN_HEADER *pKnownHeader = (&request->Headers.KnownHeaders) + headerIndex;
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, $"HttpApi::GetKnownHeader() pKnownHeader:0x{(IntPtr)pKnownHeader}");
NetEventSource.Info(null, $"HttpApi::GetKnownHeader() pRawValue:0x{(IntPtr)pKnownHeader->pRawValue} RawValueLength:{pKnownHeader->RawValueLength}");
}
// For known headers, when header value is empty, RawValueLength will be 0 and
// pRawValue will point to empty string
if (pKnownHeader->pRawValue != null)
{
header = new string(pKnownHeader->pRawValue + fixup, 0, pKnownHeader->RawValueLength);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(null, $"HttpApi::GetKnownHeader() return:{header}");
}
return(header);
}
// Server API
internal static unsafe WebHeaderCollection GetHeaders(byte[] memoryBlob, IntPtr originalAddress)
{
NetEventSource.Enter(null);
// Return value.
WebHeaderCollection headerCollection = new WebHeaderCollection();
fixed(byte *pMemoryBlob = memoryBlob)
{
HTTP_REQUEST *request = (HTTP_REQUEST *)pMemoryBlob;
long fixup = pMemoryBlob - (byte *)originalAddress;
int index;
// unknown headers
if (request->Headers.UnknownHeaderCount != 0)
{
HTTP_UNKNOWN_HEADER *pUnknownHeader = (HTTP_UNKNOWN_HEADER *)(fixup + (byte *)request->Headers.pUnknownHeaders);
for (index = 0; index < request->Headers.UnknownHeaderCount; index++)
{
// For unknown headers, when header value is empty, RawValueLength will be 0 and
// pRawValue will be null.
if (pUnknownHeader->pName != null && pUnknownHeader->NameLength > 0)
{
string headerName = new string(pUnknownHeader->pName + fixup, 0, pUnknownHeader->NameLength);
string headerValue;
if (pUnknownHeader->pRawValue != null && pUnknownHeader->RawValueLength > 0)
{
headerValue = new string(pUnknownHeader->pRawValue + fixup, 0, pUnknownHeader->RawValueLength);
}
else
{
headerValue = string.Empty;
}
headerCollection.Add(headerName, headerValue);
}
pUnknownHeader++;
}
}
// known headers
HTTP_KNOWN_HEADER *pKnownHeader = &request->Headers.KnownHeaders;
for (index = 0; index < HttpHeaderRequestMaximum; index++)
{
// For known headers, when header value is empty, RawValueLength will be 0 and
// pRawValue will point to empty string ("\0")
if (pKnownHeader->pRawValue != null)
{
string headerValue = new string(pKnownHeader->pRawValue + fixup, 0, pKnownHeader->RawValueLength);
headerCollection.Add(HTTP_REQUEST_HEADER_ID.ToString(index), headerValue);
}
pKnownHeader++;
}
}
NetEventSource.Exit(null);
return(headerCollection);
}
private static string GetKnownHeader(HTTP_REQUEST *request, long fixup, int headerIndex)
{
GlobalLog.Enter("HttpApi::GetKnownHeader()");
string header = null;
HTTP_KNOWN_HEADER *pKnownHeader = (&request->Headers.KnownHeaders) + headerIndex;
GlobalLog.Print("HttpApi::GetKnownHeader() pKnownHeader:0x" + ((IntPtr)pKnownHeader).ToString("x"));
GlobalLog.Print("HttpApi::GetKnownHeader() pRawValue:0x" + ((IntPtr)pKnownHeader->pRawValue).ToString("x") + " RawValueLength:" + pKnownHeader->RawValueLength.ToString());
// For known headers, when header value is empty, RawValueLength will be 0 and
// pRawValue will point to empty string ("\0")
if (pKnownHeader->pRawValue != null)
{
header = new string(pKnownHeader->pRawValue + fixup, 0, pKnownHeader->RawValueLength);
}
GlobalLog.Leave("HttpApi::GetKnownHeader() return:" + ValidationHelper.ToString(header));
return(header);
}
