/// <summary>
/// 1. First, we check for a Core_Library_Update.dll file and replace Core_Library.dll if it exists.
/// 2. We load the Core_Library.dll into this application domain.
/// 3. We return the console entry-point for HostPortalConsole.
///
/// This approach facilitates a self-update by providing a Core_Library_Update.dll file in the same
/// directory and then rebooting so that this check/reload will take place.
/// </summary>
/// <returns></returns>
static Host_Portal.HostPortalConsole LoadConsoleCode()
{
var asm = Assembly.LoadFile(System.IO.Path.Combine(AssemblyDirectory, "Core_Library.dll"));
var type = asm.GetType("Host_Portal.HostPortalConsole");
Host_Portal.HostPortalConsole runnable = Activator.CreateInstance(type) as HostPortalConsole;
if (runnable == null)
{
throw new Exception("Unable to load Core_Library.dll or entry-point console class.");
}
return(runnable);
}
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main(string[] args)
{
bool IsInstalled = false;
string SERVICE_NAME = "HostPortalService";
ServiceController[] services = ServiceController.GetServices();
foreach (ServiceController service in services)
{
if (service.ServiceName.Equals(SERVICE_NAME))
{
IsInstalled = true;
if (service.Status == ServiceControllerStatus.StartPending)
{
// Started from the SCM, so launch the service.
System.ServiceProcess.ServiceBase[] servicestorun;
try
{
UpdateServiceCode();
ServiceBase Core = LoadServiceCode();
servicestorun = new System.ServiceProcess.ServiceBase[] { Core };
}
catch (Exception ex)
{
// Attempt to log this...
EmergencyEventLog("Error launching service core: " + ex.ToString());
return;
}
try
{
ServiceBase.Run(servicestorun);
return;
}
catch (Exception ex)
{
// An unhandled exception? Try to log this...
EmergencyEventLog("Unhandled error in service: " + ex.ToString());
return;
}
}
break;
}
}
// We weren't called from the SCM with StartPending, so the user wants to install or uninstall us. We'll need a command-line argument to know.
// redirect console output to parent process;
// must be before any calls to Console.WriteLine()
AttachConsole(ATTACH_PARENT_PROCESS);
try
{
Console.WriteLine("");
Console.WriteLine("Not being launched from SCM.");
try
{
Console.WriteLine("Checking for administrative permissions...");
System.Diagnostics.EventLog.SourceExists(EventLogSource);
}
catch (System.Security.SecurityException se)
{
Console.WriteLine("Exception: " + se.ToString());
throw new Exception("You must install/uninstall with administrative permission.");
}
Console.WriteLine("");
string Command = "";
if (args.Length > 0)
{
Command = args[0];
}
if (Command == "install")
{
if (IsInstalled)
{
throw new Exception("Already installed.");
}
else
{
try
{
Console.WriteLine("");
Console.WriteLine("Starting installation...");
Console.WriteLine("");
Console.WriteLine("Connecting to core DLL...");
UpdateServiceCode();
Host_Portal.HostPortalService Core = LoadServiceCode() as Host_Portal.HostPortalService;
Console.WriteLine("");
Console.WriteLine("Testing network connectivity and triggering firewall allowances request...");
Core.TriggerFirewallWarnings();
Console.WriteLine("");
Console.WriteLine("Starting service installation...");
if (!SelfInstaller.InstallMe())
{
Console.WriteLine("Installation failure reported/logged.");
}
}
catch (Exception ex)
{
Console.WriteLine("");
Console.WriteLine("Installation failed: " + ex.Message);
}
}
}
else if (Command == "uninstall")
{
if (!IsInstalled)
{
throw new Exception("Wasn't installed.");
}
else
{
if (!SelfInstaller.UninstallMe())
{
Console.WriteLine("Failure reported.");
}
}
}
else if (Command == "test")
{
Console.WriteLine("Testing DLL update...");
UpdateServiceCode();
Console.WriteLine("Testing DLL load...");
LoadServiceCode();
}
else if (Command == "console")
{
Console.WriteLine("WARNING: Console mode doesn't really work because the command-line run already has a console, and an app can be attached to at most one console.");
Console.WriteLine("Launching in console mode...");
try
{
UpdateServiceCode();
using (Host_Portal.HostPortalConsole Core = LoadConsoleCode())
{
Core.Start();
Console.WriteLine("Console launched. Press X key to exit.");
for (;;)
{
if (Console.KeyAvailable)
{
ConsoleKeyInfo ki = Console.ReadKey();
if (ki.KeyChar == 'X' || ki.KeyChar == 'x')
{
break;
}
}
Thread.Sleep(50);
}
Console.WriteLine("Exitting...");
Core.Stop();
Console.WriteLine("Console stopped successfully.");
}
}
catch (Exception ex)
{
Console.WriteLine("Unhandled exception coming from the host portal console: " + ex.ToString());
return;
}
}
else
{
throw new Exception("Either 'install' or 'uninstall' argument required.");
}
}
catch (Exception ex)
{
Console.WriteLine("");
Console.WriteLine("Error: " + ex.ToString());
}
Console.WriteLine("You probably need to hit enter to see your command prompt again.");
Console.WriteLine("You may need to reboot for full effect.");
Console.WriteLine("");
}
