/// <summary>
/// Installs the remote printers. For Citrix these printers need to be installed on the
/// client ahead of time so that they are autocreated on the server.
/// </summary>
private void InstallRemotePrinters()
{
TraceFactory.Logger.Debug("Installing remote printers");
// The manifest includes all queues required for the entire session.
// Only install queues for activities that are part of this manifest.
var activityIds = SystemManifest.Resources.SelectMany(n => n.MetadataDetails).Select(n => n.Id);
List <RemotePrintQueueInfo> remotePrintQueues = activityIds.Select(n => SystemManifest.ActivityPrintQueues[n]).SelectMany(n => n.OfType <RemotePrintQueueInfo>()).ToList();
List <Guid> createdQueues = new List <Guid>();
foreach (RemotePrintQueueInfo queueInfo in remotePrintQueues)
{
// Only install the printer once by checking the printQueueId list.
if (!createdQueues.Contains(queueInfo.PrintQueueId))
{
createdQueues.Add(queueInfo.PrintQueueId);
}
string printerName = queueInfo.GetPrinterName();
if (!PrintQueueInstaller.IsInstalled(printerName))
{
ChangeMachineStatusMessage("Installing queue {0}".FormatWith(printerName));
// Install the print queue using administrator first to ensure the driver gets down
// without any authorization issues. Sleep for a few seconds, then try to install
// the queue for the given user. It should use the already installed driver and eliminate
// any issues in getting the driver down on the box.
CallPrintUi(printerName, credential: AdminCredential);
Thread.Sleep(1000);
CallPrintUi(printerName, credential: _credential);
}
// Display the printers that have been installed
List <string> queues = PrintQueueController.GetPrintQueues().Select(n => n.ShareName).ToList();
TraceFactory.Logger.Debug("Printers after Install: {0}{1}".FormatWith
(
Environment.NewLine,
string.Join(Environment.NewLine, queues))
);
}
}
/// <summary>
/// Retrieves the list of installed ports on this machine and pairs the port data with it's corresponding queue information.
/// </summary>
/// <returns></returns>
private List <QueuePortData> GetQueueData()
{
Collection <StandardTcpIPPort> ports = StandardTcpIPPort.InstalledPorts;
List <QueuePortData> result = new List <QueuePortData>();
_installedPorts = new Dictionary <QueuePortData, StandardTcpIPPort>();
StandardTcpIPPort port = null;
foreach (PrintQueue queue in PrintQueueController.GetPrintQueues())
{
QueuePortData data = new QueuePortData(queue.Name, queue.QueuePort.Name);
port = ports.Where(p => p.PortName == data.PortName).FirstOrDefault();
if (port != null) //Only return the queues that have a port.
{
data.PortAddress = port.Address;
data.PortNumber = unchecked ((int)port.PortNumber);
result.Add(data);
_installedPorts.Add(data, port);
}
}
return(result);
}
private static PrintQueue GetCitrixPrintQueue(PrintQueueInfo printQueueInfo)
{
// Special handling for Citrix session queues - they are connections to a remote server,
// but don't show up when querying the local server for a list of queues.
// Connect to the queue directly by parsing the queue name
LocalPrintQueueInfo localPrintQueueInfo = printQueueInfo as LocalPrintQueueInfo;
if (localPrintQueueInfo != null)
{
LogDebug("Attempting to parse Citrix session queue.");
var match = Regex.Match(localPrintQueueInfo.QueueName, @"^\\\\([\S\s]+)\\([\S\s]+)$");
if (match.Success)
{
LogDebug("Parse success.");
var serverName = match.Groups[1];
var queueName = match.Groups[2];
LogDebug($"Server Name: {serverName}");
LogDebug($"Queue Name: {queueName}");
PrintServer server = new PrintServer($@"\\{serverName}");
return(new PrintQueue(server, localPrintQueueInfo.QueueName));
}
else
{
LogDebug("Parse failure.");
}
}
// When Citrix auto-generates a print queue on the Citrix server, it creates a queue with the
// same name as the local print queue on the client machine, but appends some session information
// to the end. To find the real name of the print queue on the Citrix server, we need to
// find a print queue installed on the system that starts with the same text generated by the base class.
LogDebug($"Looking for {printQueueInfo.QueueName}");
List <string> queueNames = PrintQueueController.GetPrintQueues().Select(n => n.FullName).ToList();
string clientName = Environment.GetEnvironmentVariable("CLIENTNAME");
RemotePrintQueueInfo remotePrintQueueInfo = printQueueInfo as RemotePrintQueueInfo;
if (remotePrintQueueInfo != null)
{
string citrixQueueName = queueNames.FirstOrDefault(
n => n.StartsWith(remotePrintQueueInfo.QueueName, StringComparison.OrdinalIgnoreCase) &&
n.Contains(remotePrintQueueInfo.ServerHostName, StringComparison.OrdinalIgnoreCase) &&
n.Contains(clientName, StringComparison.OrdinalIgnoreCase));
if (citrixQueueName != null)
{
LogDebug($"Found Citrix queue {citrixQueueName}");
return(PrintQueueController.GetPrintQueue(citrixQueueName));
}
else
{
LogDebug($"Did not find mapped queue. Looking for directly attached queue.");
return(PrintQueueController.GetPrintQueue(remotePrintQueueInfo.GetPrinterName()));
}
}
DynamicLocalPrintQueueInfo dynamicPrintQueueInfo = printQueueInfo as DynamicLocalPrintQueueInfo;
if (dynamicPrintQueueInfo != null)
{
string citrixQueueName = queueNames.FirstOrDefault(
n => n.StartsWith(dynamicPrintQueueInfo.QueueName, StringComparison.OrdinalIgnoreCase) &&
n.Contains(clientName, StringComparison.OrdinalIgnoreCase));
if (citrixQueueName != null)
{
LogDebug($"Found Citrix queue {citrixQueueName}");
return(PrintQueueController.GetPrintQueue(citrixQueueName));
}
else
{
throw new PrintQueueNotFoundException($"Could not find mapped queue for {dynamicPrintQueueInfo.QueueName}");
}
}
// Default to the usual behavior
return(PrintQueueController.Connect(printQueueInfo));
}
