void DisplayUpdate()
{
const int timeoutSeconds = 60;
if (lastSignalReceived.IsOver(seconds: timeoutSeconds).InPastComparedTo(World.UtcNow))
{
if (lastUpdate.IsOver(seconds: 1).InPastComparedTo(World.UtcNow))
{
lastUpdate = World.UtcNow;
var backupLastSingalReceived = lastSignalReceived;
client.EraseDisplay();
client.WriteLine();
client.WriteLine();
if (backupLastSingalReceived == DateTime.MinValue)
{
client.WriteLine("no signal received");
}
else
{
client.WriteLine("last signal received " + World.UtcNow.Subtract(backupLastSingalReceived).TotalSeconds.Round().ToInt() + " seconds ago");
}
client.WriteLine("debug info:");
client.WriteLine(" current time: "+ World.UtcNow.ToString("yyyy-MM-dd HH:mm:ss"));
client.WriteLine(" columns: "+ device.ColumnsCount);
client.WriteLine(" rows: "+ device.RowsCount);
client.WriteLine();
client.WriteLine();
lastSignalReceived = backupLastSingalReceived;
}
}
myWriteStream.UnityUpdate();
UpdateTextArea();
}
bool TryExecuteInbuilt(string name, params string[] arguments)
{
if (name == "clr" || name == "clear" || name == "cls")
{
var client = new StdLib.Ecma48.Client(Console.Out);
client.EraseDisplay();
}
else if (name == "help" || name == "man" || name == "?")
{
var d = Directory.GetDirEntry("/bin/");
Console.WriteLine("list of programs or command you can run:");
Console.WriteLine("\tshell commands:");
foreach (var i in new string[] { "clr", "help", "cd", "logout", "who", "instal" })
{
Console.WriteLine("\t\t" + i);
}
Console.WriteLine("\tprograms from " + d.FullName + ":");
foreach (var f in d.EnumerateFiles())
{
Console.WriteLine("\t\t" + f.Name);
}
}
else if (name == "cd")
{
if (arguments.Length != 1)
{
throw new Error("one argument required");
}
var p = arguments[0];
var d = Directory.GetDirEntry(p);
if (!d.Exists)
{
throw new Error("directory '" + p + "' ('" + d.FullName + "') doesnt exist");
}
Environment.CurrentDirectory = d.FullName;
}
else if (name == "logout")
{
TryExecuteInbuilt("clear", null);
shouldContinue = false;
}
else if (name == "who")
{
//To see list of logged in user type who or w command:
Console.WriteLine(this.Environment.UserName);
}
else if (name == "instal")
{
var p = "/";
if (arguments.Length == 1)
{
p = Path.GetFullPath(arguments[0]);
}
new InitializeFileSystem().Install(Session, p);
}
else
{
return(false);
}
return(true);
}