/// <summary>
/// Gets the available servers.
/// </summary>
/// <param name="factory">The factory.</param>
/// <param name="specification">The specification.</param>
private void GetAvailableServers(Opc.Ua.Com.ServerFactory factory, Specification specification)
{
Uri[] serverUrls = factory.GetAvailableServers(specification);
for (int ii = 0; ii < serverUrls.Length; ii++)
{
ComServerDescription server = factory.ParseUrl(serverUrls[ii]);
// don't wrap proxies.
if (ConfigUtils.CLSID_UaComDaProxyServer == server.Clsid)
{
continue;
}
if (ConfigUtils.CLSID_UaComAeProxyServer == server.Clsid)
{
continue;
}
if (ConfigUtils.CLSID_UaComHdaProxyServer == server.Clsid)
{
continue;
}
// don't wrap UA psuedo-servers.
List <Guid> catids = ConfigUtils.GetImplementedCategories(server.Clsid);
bool suppress = false;
for (int jj = 0; jj < catids.Count; jj++)
{
if (catids[jj] == ConfigUtils.CATID_PseudoComServers)
{
suppress = true;
break;
}
}
if (suppress)
{
continue;
}
// assume regular COM server.
ListViewItem item = new ListViewItem(server.ProgId);
item.SubItems.Add(server.Description);
item.SubItems.Add(specification.ToString());
item.Tag = new Item(specification, server);
ServersLV.Items.Add(item);
}
}
/// <summary>
/// Updates the list of servers.
/// </summary>
private void UpdateServers()
{
// populate the list of servers.
Opc.Ua.Com.ServerFactory factory = new ServerFactory();
try
{
ServersLV.Items.Clear();
string hostName = HostCB.Text;
if (HostCB.SelectedIndex != -1)
{
hostName = (string)HostCB.SelectedItem;
}
factory.Connect(hostName, null);
Uri[] serverUrls = factory.GetAvailableServers(Specification.Da20, Specification.Da30);
for (int ii = 0; ii < serverUrls.Length; ii++)
{
ComServerDescription server = factory.ParseUrl(serverUrls[ii]);
ListViewItem item = new ListViewItem(server.ProgId);
item.SubItems.Add(server.Description);
item.Tag = server;
ServersLV.Items.Add(item);
}
for (int ii = 0; ii < ServersLV.Columns.Count; ii++)
{
ServersLV.Columns[ii].Width = -2;
}
}
finally
{
factory.Disconnect();
}
}
public Item(Specification specification, ComServerDescription server)
{
Specification = specification;
Server = server;
}
/// <summary>
/// Handles the Click event of the OkBTN control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void OkBTN_Click(object sender, EventArgs e)
{
try
{
if (ServersLV.SelectedItems.Count != 1)
{
return;
}
// extract the wrapper configuration from the application configuration.
ComWrapperServerConfiguration wrapperConfig = m_configuration.ParseExtension <ComWrapperServerConfiguration>();
if (wrapperConfig == null)
{
wrapperConfig = new ComWrapperServerConfiguration();
}
if (wrapperConfig.WrappedServers == null)
{
wrapperConfig.WrappedServers = new ComClientConfigurationCollection();
}
if (!m_delete)
{
// get the selected server.
ComServerDescription server = (ComServerDescription)ServersLV.SelectedItems[0].Tag;
// create a new new COM client entry for the selected server.
ComDaClientConfiguration clientConfig = new ComDaClientConfiguration();
clientConfig.ServerUrl = server.Url;
clientConfig.ServerName = server.VersionIndependentProgId;
clientConfig.MaxReconnectWait = 100000;
wrapperConfig.WrappedServers.Add(clientConfig);
// update the configuration.
m_configuration.UpdateExtension <ComWrapperServerConfiguration>(null, wrapperConfig);
}
else
{
// get the selected server.
ComDaClientConfiguration server = (ComDaClientConfiguration)ServersLV.SelectedItems[0].Tag;
for (int ii = 0; ii < wrapperConfig.WrappedServers.Count; ii++)
{
if (wrapperConfig.WrappedServers[ii].ServerUrl == server.ServerUrl)
{
wrapperConfig.WrappedServers.RemoveAt(ii);
break;
}
}
// update the configuration.
m_configuration.UpdateExtension <ComWrapperServerConfiguration>(null, wrapperConfig);
}
// close the dialog.
DialogResult = DialogResult.OK;
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
