// ISAPIWorkerRequestInProcForIIS6
protected override void GetAdditionalServerVariables() {
if (_ecb == IntPtr.Zero)
return;
// _additionalServerVars should only be initialized once
Debug.Assert(_additionalServerVars == null);
if (_additionalServerVars != null)
return;
_additionalServerVars = new string[NUM_ADDITIONAL_SERVER_VARIABLES];
ServerVarCharBuffer buffer = new ServerVarCharBuffer();
try {
int[] serverVarLengths = new int[NUM_ADDITIONAL_SERVER_VARIABLES];
int r = 0;
int hresult = UnsafeNativeMethods.EcbGetUnicodeServerVariables(_ecb, buffer.PinnedAddress, buffer.Length,
serverVarLengths, serverVarLengths.Length, NUM_BASIC_SERVER_VARIABLES, ref r);
if (r > buffer.Length) {
buffer.Resize(r);
hresult = UnsafeNativeMethods.EcbGetUnicodeServerVariables(_ecb, buffer.PinnedAddress, buffer.Length,
serverVarLengths, serverVarLengths.Length, NUM_BASIC_SERVER_VARIABLES, ref r);
}
if (hresult != 0)
Marshal.ThrowExceptionForHR(hresult);
IntPtr current = buffer.PinnedAddress;
for(int i = 0; i < _additionalServerVars.Length; i++) {
_additionalServerVars[i] = Marshal.PtrToStringUni(current, serverVarLengths[i]);
current = new IntPtr((long)current + 2L * (1L + serverVarLengths[i]));
}
}
finally {
buffer.Dispose();
}
}
private String GetUnicodeServerVariable(int nameIndex) {
String value = null;
ServerVarCharBuffer buf = new ServerVarCharBuffer();
try {
value = GetUnicodeServerVariable(nameIndex, buf);
}
finally {
buf.Dispose();
}
return value;
}
private void GetBasicServerVariables() {
if (_ecb == IntPtr.Zero)
return;
// _basicServerVars should only be initialized once
Debug.Assert(_basicServerVars == null);
if (_basicServerVars != null)
return;
_basicServerVars = new string[NUM_BASIC_SERVER_VARIABLES];
ServerVarCharBuffer buffer = new ServerVarCharBuffer();
try {
int[] serverVarLengths = new int[NUM_BASIC_SERVER_VARIABLES];
int r = 0;
int hresult = UnsafeNativeMethods.EcbGetUnicodeServerVariables(_ecb, buffer.PinnedAddress, buffer.Length,
serverVarLengths, serverVarLengths.Length, 0, ref r);
if (r > buffer.Length)
{
buffer.Resize(r);
hresult = UnsafeNativeMethods.EcbGetUnicodeServerVariables(_ecb, buffer.PinnedAddress, buffer.Length,
serverVarLengths, serverVarLengths.Length, 0, ref r);
}
Misc.ThrowIfFailedHr(hresult);
IntPtr current = buffer.PinnedAddress;
for(int i = 0; i < _basicServerVars.Length; i++) {
_basicServerVars[i] = Marshal.PtrToStringUni(current, serverVarLengths[i]);
current = new IntPtr((long)current + 2L * (1L + serverVarLengths[i]));
}
// special case variables
_appPathTranslated = _basicServerVars[APPL_PHYSICAL_PATH];
_method = _basicServerVars[REQUEST_METHOD];
_path = _basicServerVars[PATH_INFO];
_pathTranslated = _basicServerVars[PATH_TRANSLATED];
_filePath = _basicServerVars[URL];
}
finally {
buffer.Dispose();
}
}
