//======================================================================
// Constructor
/// <summary>
/// Initializes a new instance of a subscription.
/// </summary>
internal Subscription(
Server server,
OpcXml.Da10.Service proxy,
SubscriptionState state,
int filters)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
if (proxy == null)
{
throw new ArgumentNullException("proxy");
}
m_server = server;
m_proxy = proxy;
m_filters = filters;
m_state = (state != null)?(SubscriptionState)state.Clone():new SubscriptionState();
if (m_state.Name == null || m_state.Name == "")
{
lock (typeof(Subscription))
{
m_state.Name = String.Format("Subscription{0,3:000}", ++m_counter);
}
}
}
//======================================================================
// Initialization
/// <summary>
/// Connects to the server with the specified URL and credentials.
/// </summary>
public virtual void Initialize(URL url, ConnectData connectData)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
lock (this)
{
try
{
m_proxy = new OpcXml.Da10.Service();
m_proxy.Credentials = (connectData != null)?connectData.GetCredential(null, null):null;
m_proxy.Url = url.ToString();
m_proxy.Proxy = (connectData != null)?connectData.GetProxy():new WebProxy();
m_proxy.UnsafeAuthenticatedConnectionSharing = true;
}
catch (Exception e)
{
string msg = e.Message;
}
try
{
GetStatus();
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.ConnectFailure)
{
throw new ConnectFailedException(e);
}
throw new AccessDeniedException(e);
}
m_url = (URL)url.Clone();
}
}
