// Token: 0x06000005 RID: 5 RVA: 0x000022C8 File Offset: 0x000012C8
public Guid CLSIDFromProgID(string progID, string host, ConnectData connectData)
{
Guid result;
lock (this)
{
NetworkCredential credential = (connectData != null) ? connectData.GetCredential(null, null) : null;
this.m_server = (IOPCServerList2)Interop.CreateInstance(ServerEnumerator.CLSID, host, credential);
this.m_host = host;
Guid empty;
try
{
this.m_server.CLSIDFromProgID(progID, out empty);
}
catch
{
empty = Guid.Empty;
}
finally
{
Interop.ReleaseServer(this.m_server);
this.m_server = null;
}
result = empty;
}
return(result);
}
/// <summary>
/// Looks up the CLSID for the specified prog id on a remote host.
/// </summary>
public Guid CLSIDFromProgID(string progID, string host, ConnectData connectData)
{
lock (this)
{
NetworkCredential credentials = (connectData != null)?connectData.GetCredential(null, null):null;
// connect to the server.
m_server = (IOPCServerList2)OpcCom.Interop.CreateInstance(CLSID, host, credentials);
m_host = host;
// lookup prog id.
Guid clsid;
try
{
m_server.CLSIDFromProgID(progID, out clsid);
}
catch
{
clsid = Guid.Empty;
}
finally
{
OpcCom.Interop.ReleaseServer(m_server);
m_server = null;
}
// return empty guid if prog id not found.
return(clsid);
}
}
//======================================================================
// 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();
}
}
/// <summary>
/// Returns a list of servers that support the specified specification on the specified host.
/// </summary>
public Opc.Server[] GetAvailableServers(Specification specification, string host, ConnectData connectData)
{
lock (this)
{
NetworkCredential credentials = (connectData != null)?connectData.GetCredential(null, null):null;
// connect to the server.
m_server = (IOPCServerList2)OpcCom.Interop.CreateInstance(CLSID, host, credentials);
m_host = host;
try
{
ArrayList servers = new ArrayList();
// convert the interface version to a guid.
Guid catid = new Guid(specification.ID);
// get list of servers in the specified specification.
IOPCEnumGUID enumerator = null;
m_server.EnumClassesOfCategories(
1,
new Guid[] { catid },
0,
null,
out enumerator);
// read clsids.
Guid[] clsids = ReadClasses(enumerator);
// release enumerator object.
OpcCom.Interop.ReleaseServer(enumerator);
enumerator = null;
// fetch class descriptions.
foreach (Guid clsid in clsids)
{
Factory factory = new OpcCom.Factory();
try
{
URL url = CreateUrl(specification, clsid);
Opc.Server server = null;
if (specification == Specification.COM_DA_30)
{
server = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_DA_20)
{
server = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_AE_10)
{
server = new Opc.Ae.Server(factory, url);
}
else if (specification == Specification.COM_HDA_10)
{
server = new Opc.Hda.Server(factory, url);
}
else if (specification == Specification.COM_DX_10)
{
server = new Opc.Dx.Server(factory, url);
}
servers.Add(server);
}
catch (Exception)
{
// ignore bad clsids.
}
}
return((Opc.Server[])servers.ToArray(typeof(Opc.Server)));
}
finally
{
// free the server.
OpcCom.Interop.ReleaseServer(m_server);
m_server = null;
}
}
}
public Opc.Server[] GetAvailableServers(Specification specification, string host, ConnectData connectData)
{
Opc.Server[] serverArray;
lock (this)
{
NetworkCredential credential = (connectData != null) ? connectData.GetCredential(null, null) : null;
this.m_server = (IOPCServerList2)Interop.CreateInstance(CLSID, host, credential);
this.m_host = host;
try
{
ArrayList list = new ArrayList();
Guid guid = new Guid(specification.ID);
IOPCEnumGUID ppenumClsid = null;
Guid[] rgcatidImpl = new Guid[] { guid };
this.m_server.EnumClassesOfCategories(1, rgcatidImpl, 0, null, out ppenumClsid);
Guid[] guidArray = this.ReadClasses(ppenumClsid);
Interop.ReleaseServer(ppenumClsid);
ppenumClsid = null;
foreach (Guid guid2 in guidArray)
{
OpcCom.Factory factory = new OpcCom.Factory();
try
{
URL url = this.CreateUrl(specification, guid2);
Opc.Server server = null;
if (specification == Specification.COM_DA_30)
{
server = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_DA_20)
{
server = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_AE_10)
{
server = new Opc.Ae.Server(factory, url);
}
else if (specification == Specification.COM_HDA_10)
{
server = new Opc.Hda.Server(factory, url);
}
else if (specification == Specification.COM_DX_10)
{
server = new Opc.Dx.Server(factory, url);
}
list.Add(server);
}
catch (Exception)
{
}
}
serverArray = (Opc.Server[])list.ToArray(typeof(Opc.Server));
}
finally
{
Interop.ReleaseServer(this.m_server);
this.m_server = null;
}
}
return(serverArray);
}
public static object Connect(URL url, ConnectData connectData)
{
string text = url.Path;
string text2 = null;
int num = url.Path.LastIndexOf('/');
if (num >= 0)
{
text = url.Path.Substring(0, num);
text2 = url.Path.Substring(num + 1);
}
Guid guid;
if (text2 == null)
{
guid = new ServerEnumerator().CLSIDFromProgID(text, url.HostName, connectData);
if (guid == Guid.Empty)
{
try
{
guid = new Guid(text);
}
catch
{
throw new ConnectFailedException(text);
}
}
}
else
{
try
{
guid = new Guid(text2);
}
catch
{
throw new ConnectFailedException(text2);
}
}
NetworkCredential credential = connectData?.GetCredential(null, null);
if (connectData == null || connectData.LicenseKey == null)
{
try
{
return(Interop.CreateInstance(guid, url.HostName, credential));
}
catch (Exception e)
{
throw new ConnectFailedException(e);
}
}
try
{
return(Interop.CreateInstanceWithLicenseKey(guid, url.HostName, credential, connectData.LicenseKey));
}
catch (Exception e2)
{
throw new ConnectFailedException(e2);
}
}
public static object Connect(URL url, ConnectData connectData)
{
Guid guid;
NetworkCredential credential;
object obj2;
string path = url.Path;
string g = null;
int index = url.Path.IndexOf('/');
if (index >= 0)
{
path = url.Path.Substring(0, index);
g = url.Path.Substring(index + 1);
}
if (g == null)
{
guid = new ServerEnumerator().CLSIDFromProgID(path, url.HostName, connectData);
if (!(guid == Guid.Empty))
{
goto Label_007F;
}
try
{
guid = new Guid(path);
goto Label_007F;
}
catch
{
throw new ConnectFailedException(path);
}
}
try
{
guid = new Guid(g);
}
catch
{
throw new ConnectFailedException(g);
}
Label_007F:
credential = (connectData != null) ? connectData.GetCredential(null, null) : null;
if ((connectData == null) || (connectData.LicenseKey == null))
{
try
{
return(OpcCom.Interop.CreateInstance(guid, url.HostName, credential));
}
catch (Exception exception)
{
throw new ConnectFailedException(exception);
}
}
try
{
obj2 = OpcCom.Interop.CreateInstanceWithLicenseKey(guid, url.HostName, credential, connectData.LicenseKey);
}
catch (Exception exception2)
{
throw new ConnectFailedException(exception2);
}
return(obj2);
}
// Token: 0x06000004 RID: 4 RVA: 0x000020E4 File Offset: 0x000010E4
public Opc.Server[] GetAvailableServers(Specification specification, string host, ConnectData connectData)
{
Opc.Server[] result;
lock (this)
{
NetworkCredential credential = (connectData != null) ? connectData.GetCredential(null, null) : null;
this.m_server = (IOPCServerList2)Interop.CreateInstance(ServerEnumerator.CLSID, host, credential);
this.m_host = host;
try
{
ArrayList arrayList = new ArrayList();
Guid guid = new Guid(specification.ID);
IOPCEnumGUID iopcenumGUID = null;
this.m_server.EnumClassesOfCategories(1, new Guid[]
{
guid
}, 0, null, out iopcenumGUID);
Guid[] array = this.ReadClasses(iopcenumGUID);
Interop.ReleaseServer(iopcenumGUID);
iopcenumGUID = null;
foreach (Guid clsid in array)
{
Factory factory = new Factory();
try
{
URL url = this.CreateUrl(specification, clsid);
Opc.Server value = null;
if (specification == Specification.COM_DA_30)
{
value = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_DA_20)
{
value = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_AE_10)
{
value = new Opc.Ae.Server(factory, url);
}
else if (specification == Specification.COM_HDA_10)
{
value = new Opc.Hda.Server(factory, url);
}
else if (specification == Specification.COM_DX_10)
{
value = new Opc.Dx.Server(factory, url);
}
arrayList.Add(value);
}
catch (Exception)
{
}
}
result = (Opc.Server[])arrayList.ToArray(typeof(Opc.Server));
}
finally
{
Interop.ReleaseServer(this.m_server);
this.m_server = null;
}
}
return(result);
}