internal void Initialize()
{
//If the path is not set yet we can't do it
if (null == path)
{
throw new InvalidOperationException();
}
/*
* If we're not connected yet, this is the time to do it... We lock
* the state to prevent 2 threads simultaneously doing the same
* connection. To avoid taking the lock unnecessarily we examine
* isConnected first
*/
if (!IsConnected)
{
lock (this)
{
if (!IsConnected)
{
IWbemLocator loc = (IWbemLocator) new WbemLocator();
if (null == options)
{
Options = new ConnectionOptions();
}
string nsPath = path.NamespacePath;
// If no namespace specified, fill in the default one
if ((null == nsPath) || (0 == nsPath.Length))
{
// NB: we use a special method to set the namespace
// path here as we do NOT want to trigger an
// IdentifierChanged event as a result of this set
path.SetNamespacePath(ManagementPath.DefaultPath.Path);
}
// If we have privileges to enable, now is the time
SecurityHandler securityHandler = GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
try {
status = loc.ConnectServer_(
path.NamespacePath,
options.Username,
options.GetPassword(),
options.Locale,
options.Flags,
options.Authority,
options.GetContext(),
out wbemServices);
//Set security on services pointer
Secure(wbemServices);
} catch (Exception e) {
// BUGBUG : securityHandler.Reset()?
ManagementException.ThrowWithExtendedInfo(e);
} finally {
securityHandler.Reset();
}
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
}
}
}
