//------------------------------------
// Session List Management Functions
//------------------------------------
/// <summary>
/// Delete session
/// <summary>
private async Task <bool> DeleteSession(SessionInfo session)
{
bool isSuccess = false;
try
{
StorageFolder localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
string fullpath = Path.Combine(localFolder.Path, SiteProfileManager.GetFullPath(App.SiteProfileId, session.profilePath));
StorageFile targetFile = await StorageFile.GetFileFromPathAsync(fullpath);
if (targetFile != null)
{
await targetFile.DeleteAsync();
}
sessionConfig.sessions.Remove(session);
await SiteProfileManager.DefaultSiteProfileManager?.SaveSessionConfig();
isSuccess = true;
}
catch (Exception ex)
{
Debug.WriteLine("DeleteSession Exception! " + ex.Message);
}
return(isSuccess);
}
/// <summary>
/// Rename session
/// <summary>
private async Task <bool> RenameSession(string targetName, SessionInfo session)
{
bool isSuccess = false;
try
{
StorageFolder localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
string filepath = Path.Combine(localFolder.Path, SiteProfileManager.GetFullPath(App.SiteProfileId, session.profilePath));
StorageFile targetFile = await StorageFile.GetFileFromPathAsync(filepath);
string targetFilename = String.Format("session_{0}.config.json", targetName);
if (targetFile != null)
{
await targetFile.RenameAsync(targetFilename, NameCollisionOption.FailIfExists);
}
session.sessionName = targetName;
session.profilePath = targetFilename;
await SiteProfileManager.DefaultSiteProfileManager?.SaveSessionConfig();
isSuccess = true;
}
catch (Exception ex)
{
Debug.WriteLine("RenameSession Exception! " + ex.Message);
}
return(isSuccess);
}
/// <summary>
/// On save button clicked
/// -- save server connection settings and node subscription list
/// and exit this page, get back to main page
/// <summary>
private async void btnSave_Button_Click(object sender, RoutedEventArgs e)
{
EnableSessionOpButtons(false);
OpcuaSessionConfig config = null;
var sessionname = m_design_session.SessionName;
const string PROFILENAME_TEMPLATE = "session_{0}.json";
if (sessionMgmtAction == SESSIONMGMT_ACTION.NEW)
{
sessionname = txtSessionName.Text;
if (String.IsNullOrEmpty(sessionname))
{
MessageDialog showDialog = new MessageDialog("Session Name must not be empty or duplicated.\nPlease enter a unique session name.");
showDialog.Commands.Add(new UICommand("OK")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
var result = await showDialog.ShowAsync();
EnableSessionOpButtons(true);
return;
}
m_sessionConfig_full_path = Path.Combine(m_local, SiteProfileManager.GetFullPath(App.SiteProfileId, String.Format(PROFILENAME_TEMPLATE, sessionname)));
while (File.Exists(m_sessionConfig_full_path))
{
var timestamp = DateTime.Now.ToString("_yyMMddHHmmss");
sessionname = txtSessionName.Text + timestamp;
m_sessionConfig_full_path = Path.Combine(m_local, SiteProfileManager.GetFullPath(App.SiteProfileId, String.Format(PROFILENAME_TEMPLATE, sessionname)));
}
}
config = SaveSessionConfig(m_sessionConfig_full_path, sessionname, m_design_session);
if (config != null)
{
try
{
if (sessionMgmtAction == SESSIONMGMT_ACTION.NEW)
{
sessionInfo.profilePath = String.Format(PROFILENAME_TEMPLATE, sessionname);
sessionInfo.sessionName = sessionname;
sessionInfo.sourceType = m_design_session.Endpoint.Server.ApplicationName.ToString();
SiteProfileManager.DefaultSiteProfileManager.sessionConfig.sessions.Add(sessionInfo);
await SiteProfileManager.DefaultSiteProfileManager.SaveSessionConfig();
}
CloseSessionView_OpcuaClient();
Frame.Navigate(typeof(SessionMgmtPage), "RELOAD");
}
catch (Exception ex)
{
Utils.Trace(ex, "SessionMgmt_OpcuaPage.btnSave_Button_Click() Exception: " + ex.Message);
}
}
EnableSessionOpButtons(true);
}
/// <summary>
/// On export-publishednodes button clicked
// -- generate "publishednodes.json" file to target file path
/// <summary>
private async void btnExportPublishedNodes_Click(object sender, RoutedEventArgs e)
{
if (sessionConfig?.sessions?.Count > 0)
{
}
else
{
MessageDialog showDialog = new MessageDialog("No Node for Publishing!");
showDialog.Commands.Add(new UICommand("Close")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
await showDialog.ShowAsync();
return;
}
var picker = new Windows.Storage.Pickers.FileSavePicker();
picker.SuggestedFileName = SiteProfileManager.DEFAULT_PUBLISHEDNODESPATH;
picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.Downloads;
picker.FileTypeChoices.Add("JSON", new List <string>()
{
".json"
});
StorageFile destfile = await picker.PickSaveFileAsync();
if (destfile != null)
{
try
{
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
bool isSuccess = await SiteProfileManager.DefaultSiteProfileManager?.SavePublishedNodes();
if (isSuccess)
{
var srcuri = new Uri("ms-appdata:///local/" + SiteProfileManager.GetFullPath(App.SiteProfileId, SiteProfileManager.DEFAULT_PUBLISHEDNODESPATH));
StorageFile srcfile = await StorageFile.GetFileFromApplicationUriAsync(srcuri);
await srcfile.CopyAndReplaceAsync(destfile);
MessageDialog showDialog = new MessageDialog("Export PublisherNodes Done!\n" + destfile.Path);
showDialog.Commands.Add(new UICommand("Close")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
await showDialog.ShowAsync();
}
}
catch (Exception ex)
{
Debug.WriteLine("btnExportPublishedNodes_Click Exception! " + ex.Message);
MessageDialog showDialog = new MessageDialog("Export PublishedNodes Failed!\nError: " + ex.Message);
showDialog.Commands.Add(new UICommand("Close")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
await showDialog.ShowAsync();
}
}
}
/// <summary>
/// On page loaded
/// </summary>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
App.unclosedSession = this;
sessionInfo = e.Parameter as SessionInfo;
if (sessionInfo == null)
{
sessionMgmtAction = SESSIONMGMT_ACTION.NEW;
sessionInfo = new SessionInfo();
sessionInfo.sessionName = "";
sessionInfo.profilePath = "";
sessionInfo.sourceType = "";
m_sessionConfig_full_path = "";
m_sessionConfig = null;
}
else
{
m_sessionConfig_full_path = Path.Combine(m_local, SiteProfileManager.GetFullPath(App.SiteProfileId, sessionInfo.profilePath));
// json configuration
m_sessionConfig = OpcuaSessionConfig.LoadFromJsonFile(m_sessionConfig_full_path);
}
ApplicationInstance application = OpcuaSessionConfig.OpcuaApplication;
ApplicationConfiguration configuration = application.ApplicationConfiguration;
ServiceMessageContext context = configuration.CreateMessageContext();
if (!configuration.SecurityConfiguration.AutoAcceptUntrustedCertificates)
{
configuration.CertificateValidator.CertificateValidation += new CertificateValidationEventHandler(CertificateValidator_CertificateValidation);
}
m_context = context;
m_application = application;
m_configuration = configuration;
SessionsCTRL.Configuration = configuration;
SessionsCTRL.MessageContext = context;
SessionsCTRL.AddressSpaceCtrl = BrowseCTRL;
SessionsCTRL.NodeSelected += SessionCtrl_NodeSelected;
// disable cached endpoints from Opc.Ua.SampleClient.Config.xml
//// get list of cached endpoints.
//m_endpoints = m_configuration.LoadCachedEndpoints(true);
m_endpoints = new ConfiguredEndpointCollection();
m_endpoints.DiscoveryUrls = configuration.ClientConfiguration.WellKnownDiscoveryUrls;
// work around to fill Configuration and DiscoveryUrls
if (m_sessionConfig != null)
{
m_sessionConfig.endpoint.Configuration = EndpointConfiguration.Create(m_configuration);
m_sessionConfig.endpoint.Description.Server.DiscoveryUrls.Add(m_sessionConfig.endpoint.EndpointUrl.AbsoluteUri.ToString());
m_endpoints.Add(m_sessionConfig.endpoint);
}
// hook up endpoint selector
EndpointSelectorCTRL.Initialize(m_endpoints, m_configuration);
EndpointSelectorCTRL.ConnectEndpoint += EndpointSelectorCTRL_ConnectEndpoint;
EndpointSelectorCTRL.EndpointsChanged += EndpointSelectorCTRL_OnChange;
BrowseCTRL.SessionTreeCtrl = SessionsCTRL;
BrowseCTRL.NodeSelected += BrowseCTRL_NodeSelected;
btnDelSubscription.IsEnabled = false;
btnAddSubscription.IsEnabled = false;
btnDelSubscription.Click += ContextMenu_OnDelete;
btnAddSubscription.Click += ContextMenu_OnReport;
// exception dialog
GuiUtils.ExceptionMessageDlg += ExceptionMessageDlg;
EndpointSelectorCTRL.IsEnabled = false;
BrowseCTRL.IsEnabled = false;
SessionsCTRL.IsEnabled = false;
txtSessionName.Text = sessionInfo.sessionName;
if (sessionMgmtAction == SESSIONMGMT_ACTION.NEW)
{
txtSessionName.IsReadOnly = false;
btnReload.IsEnabled = false;
btnReload.Visibility = Visibility.Collapsed;
EndpointSelectorCTRL.IsEnabled = true;
}
else
{
if (m_sessionConfig == null)
{
txtSessionName.IsReadOnly = true;
EndpointSelectorCTRL.IsEnabled = true;
btnReload.IsEnabled = false;
}
else
{
txtSessionName.IsReadOnly = true;
btnReload.IsEnabled = false;
var ignored = Task.Run(OpenSessionView_OpcuaClient);
}
}
}