public WmiFacade(Provider provider = null, LoginCredentials credentials = null, bool enablePrivileges = false, int timeoutInSeconds = 0)
{
ConnectionOptions o = new ConnectionOptions();
o.EnablePrivileges = enablePrivileges;
if (null != credentials)
{
credentials.ApplyToOptions(o);
}
if (null == provider)
{
provider = new Provider();
}
m_provider = provider;
provider.ApplyArchToOptions(o);
if (timeoutInSeconds > 0)
{
o.Timeout = new TimeSpan(0, 0, timeoutInSeconds);
}
m_scope.Path = new ManagementPath(provider.ProviderPath);
m_scope.Options = o;
try
{
m_scope.Connect();
}
catch (UnauthorizedAccessException x)
{
string msg = "Authentication failed for " + m_scope.Options.Username + " on " + m_provider.Host + ".";
throw new WmiConnectionException(ComErrorCodes.COM_ACCESS_DENIED, msg, x);
}
catch (COMException x)
{
uint errorcode = unchecked ((uint)x.ErrorCode);
string msg = "";
switch (errorcode)
{
case ComErrorCodes.RPC_SERVER_UNAVAILABLE:
msg = "Check if you have a firewall running on the host. If so try opening the WMI ports ().";
break;
case ComErrorCodes.COM_ACCESS_DENIED:
if (!string.IsNullOrWhiteSpace(m_scope.Options.Username))
{
msg = "Could not connect to " + m_provider.Host + " with user " + m_scope.Options.Username + ".";
}
msg += "You need a user with Admin Rights or DCOM Remote Launch and Remote Activation privileges on the host PC (" + m_provider.Host + ").";
break;
case ComErrorCodes.NAMESPACE_ACCESS_DENIED:
msg = "Could not connect to WMI Namespace " + m_scope.Path;
if (!string.IsNullOrWhiteSpace(m_scope.Options.Username))
{
msg += " with user " + m_scope.Options.Username;
}
msg += ". You need a user with Admin Rights or a user that has been give access rights to this Namespace.";
break;
default:
msg = "COM Exception occured - Code: 0x" + errorcode.ToString("X8") + ", Message: " + x.Message;
break;
}
throw new WmiConnectionException(errorcode, msg, x);
}
catch (ManagementException x)
{
string msg = "Could not connect to " + m_provider.Host + " with user " + m_scope.Options.Username + ". Code: " +
x.ErrorCode + ", Message: " + x.Message;
throw new WmiConnectionException(msg, x);
}
catch (Exception x)
{
string msg = "Could not connect to " + m_provider.Host + " with user " + m_scope.Options.Username +
". Encountered " + x.GetType() + " with message: " + x.Message;
throw new WmiConnectionException(msg, x);
}
m_serviceMethods = new ServiceMethods(this);
m_registryMethods = new RegistryMethods(this);
}