public static void Intercept()
{
if (!usingInterceptor)
{
usingInterceptor = true;
if (harmony == null)
{
harmony = new Harmony("BSIPA Console Redirector Patcher");
}
if (stdoutInterceptor == null)
{
stdoutInterceptor = new StdoutInterceptor();
}
if (stderrInterceptor == null)
{
stderrInterceptor = new StdoutInterceptor()
{
isStdErr = true
}
}
;
RedirectConsole();
ConsoleHarmonyPatches.Patch(harmony);
}
}
internal StandardLogger(string name)
{
ConsoleColorSupport();
if (!finalizedDefaultPrinters)
{
if (!addedConsolePrinters)
{
AddDefaultPrinter(new ColorlessConsolePrinter());
}
StdoutInterceptor.Intercept();
finalizedDefaultPrinters = true;
}
logName = name;
printers.Add(new PluginLogFilePrinter(name));
if (logThread == null || !logThread.IsAlive)
{
logThread = new Thread(LogThread);
logThread.Start();
}
}
/// <summary>
/// The log printer thread for <see cref="StandardLogger"/>.
/// </summary>
private static void LogThread()
{
AppDomain.CurrentDomain.ProcessExit += (sender, args) =>
{
StopLogThread();
};
loggerLogger = new StandardLogger("Log Subsystem");
loggerLogger.printers.Clear(); // don't need a log file for this one
var timeout = TimeSpan.FromMilliseconds(LogCloseTimeout);
var started = new HashSet <LogPrinter>();
while (logQueue.TryTake(out var msg, Timeout.Infinite))
{
StdoutInterceptor.Intercept();
do
{
var logger = msg.Logger;
IEnumerable <LogPrinter> printers = logger.printers;
do
{ // aggregate all printers in the inheritance chain
logger = logger.parent;
if (logger != null)
{
printers = printers.Concat(logger.printers);
}
} while (logger != null);
foreach (var printer in printers.Concat(defaultPrinters))
{
try
{ // print to them all
if (((byte)msg.Level & (byte)printer.Filter) != 0)
{
if (!started.Contains(printer))
{ // start printer if not started
printer.StartPrint();
started.Add(printer);
}
// update last use time and print
printer.LastUse = Utils.CurrentTime();
printer.Print(msg.Level, msg.Time, msg.Logger.logName, msg.Message);
}
}
catch (Exception e)
{
// do something sane in the face of an error
Console.WriteLine($"printer errored: {e}");
}
}
var debugConfig = SelfConfig.SelfConfigRef?.Value?.Debug;
if (debugConfig != null && debugConfig.HideMessagesForPerformance &&
logQueue.Count > debugConfig.HideLogThreshold)
{ // spam filtering (if queue has more tha 512 elements)
logWaitEvent.Reset(); // pause incoming log requests
// clear loggers for this instance, to print the message to all affected logs
loggerLogger.printers.Clear();
var prints = new HashSet <LogPrinter>();
// clear the queue
while (logQueue.TryTake(out var message))
{ // aggregate loggers in the process
var messageLogger = message.Logger;
foreach (var print in messageLogger.printers)
{
prints.Add(print);
}
do
{
messageLogger = messageLogger.parent;
if (messageLogger != null)
{
foreach (var print in messageLogger.printers)
{
prints.Add(print);
}
}
} while (messageLogger != null);
}
// print using logging subsystem to all logger printers
loggerLogger.printers.AddRange(prints);
logQueue.Add(new LogMessage
{ // manually adding to the queue instead of using Warn() because calls to the logger are suspended here
Level = Level.Warning,
Logger = loggerLogger,
Message = $"{loggerLogger.logName.ToUpper()}: Messages omitted to improve performance",
Time = Utils.CurrentTime()
});
// resume log calls
logWaitEvent.Set();
}
var now = Utils.CurrentTime();
var copy = new List <LogPrinter>(started);
foreach (var printer in copy)
{
// close printer after 500ms from its last use
if (now - printer.LastUse > timeout)
{
try
{
printer.EndPrint();
}
catch (Exception e)
{
Console.WriteLine($"printer errored: {e}");
}
started.Remove(printer);
}
}
}
// wait for messages for 500ms before ending the prints
while (logQueue.TryTake(out msg, timeout));
if (logQueue.Count == 0)
{ // when the queue has been empty for 500ms, end all prints
foreach (var printer in started)
{
try
{
printer.EndPrint();
}
catch (Exception e)
{
Console.WriteLine($"printer errored: {e}");
}
}
started.Clear();
}
}
}