public MinimalServerMainForm()
{
InitializeComponent();
_config = CreateOpcUaAppConfiguration();
CheckApplicationInstanceCertificate(_config);
_server = new StandardServer();
_server.Start(_config);
UrlCB.Items.Clear();
foreach (EndpointDescription endpoint in _server.GetEndpoints())
{
if (UrlCB.FindStringExact(endpoint.EndpointUrl) == -1)
{
UrlCB.Items.Add(endpoint.EndpointUrl);
}
}
if (UrlCB.Items.Count > 0)
{
UrlCB.SelectedIndex = 0;
}
}
/// <summary>
/// Handles the DropDown event of the UrlCB 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 UrlCB_DropDown(object sender, EventArgs e)
{
UrlCB.Items.Clear();
// create a table of application descriptions that match the drop down entries.
List <ApplicationDescription> lookupTable = new List <ApplicationDescription>();
UrlCB.Tag = lookupTable;
try
{
Cursor = Cursors.WaitCursor;
try
{
IList <string> serverUrls = FormUtils.DiscoverServers(m_configuration);
// populate the drop down list with the discovery URLs for the available servers.
for (int ii = 0; ii < serverUrls.Count; ii++)
{
// remove duplicates.
int index = UrlCB.FindStringExact(serverUrls[ii]);
if (index < 0)
{
UrlCB.Items.Add(serverUrls[ii]);
}
}
}
finally
{
Cursor = Cursors.Default;
}
}
catch (Exception)
{
// add the default URLs even if the LDS is not running.
UrlCB.Items.Add("http://localhost:62540/Quickstarts/MethodsServer");
UrlCB.Items.Add("opc.tcp://localhost:62541/Quickstarts/MethodsServer");
}
}
/// <summary>
/// Handles a drop down event for the URL control.
/// </summary>
private void UrlCB_DropDown(object sender, EventArgs e)
{
UrlCB.Items.Clear();
// create a table of application descriptions that match the drop down entries.
List <ApplicationDescription> lookupTable = new List <ApplicationDescription>();
UrlCB.Tag = lookupTable;
try
{
Cursor = Cursors.WaitCursor;
try
{
IList <string> serverUrls = ClientUtils.DiscoverServers(m_configuration);
// populate the drop down list with the discovery URLs for the available servers.
for (int ii = 0; ii < serverUrls.Count; ii++)
{
// remove duplicates.
int index = UrlCB.FindStringExact(serverUrls[ii]);
if (index < 0)
{
UrlCB.Items.Add(serverUrls[ii]);
}
}
}
finally
{
Cursor = Cursors.Default;
}
}
catch (Exception)
{
// ignore errors.
}
}
/// <summary>
/// Creates a form which displays the status for a UA server.
/// </summary>
/// <param name="server">The server displayed in the form.</param>
/// <param name="configuration">The configuration used to initialize the server.</param>
public void Initialize(StandardServer server, ApplicationConfiguration configuration)
{
m_server = server;
m_configuration = configuration;
UpdateTimerCTRL.Enabled = true;
// add the urls to the drop down.
UrlCB.Items.Clear();
foreach (EndpointDescription endpoint in m_server.GetEndpoints())
{
if (UrlCB.FindStringExact(endpoint.EndpointUrl) == -1)
{
UrlCB.Items.Add(endpoint.EndpointUrl);
}
}
if (UrlCB.Items.Count > 0)
{
UrlCB.SelectedIndex = 0;
}
}
