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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Threading;
namespace Ryujinx.Common.Logging
{
public static class Logger
{
private static Stopwatch m_Time;
private static readonly bool[] m_EnabledLevels;
private static readonly bool[] m_EnabledClasses;
private static readonly List<ILogTarget> m_LogTargets;
public static event EventHandler<LogEventArgs> Updated;
static Logger()
{
m_EnabledLevels = new bool[Enum.GetNames(typeof(LogLevel)).Length];
m_EnabledClasses = new bool[Enum.GetNames(typeof(LogClass)).Length];
m_EnabledLevels[(int)LogLevel.Stub] = true;
m_EnabledLevels[(int)LogLevel.Info] = true;
m_EnabledLevels[(int)LogLevel.Warning] = true;
m_EnabledLevels[(int)LogLevel.Error] = true;
m_EnabledLevels[(int)LogLevel.Guest] = true;
m_EnabledLevels[(int)LogLevel.AccessLog] = true;
for (int index = 0; index < m_EnabledClasses.Length; index++)
{
m_EnabledClasses[index] = true;
}
m_LogTargets = new List<ILogTarget>();
m_Time = Stopwatch.StartNew();
// Logger should log to console by default
AddTarget(new AsyncLogTargetWrapper(
new ConsoleLogTarget("console"),
1000,
AsyncLogTargetOverflowAction.Discard));
}
public static void RestartTime()
{
m_Time.Restart();
}
private static ILogTarget GetTarget(string targetName)
{
foreach (var target in m_LogTargets)
{
if (target.Name.Equals(targetName))
{
return target;
}
}
return null;
}
public static void AddTarget(ILogTarget target)
{
m_LogTargets.Add(target);
Updated += target.Log;
}
public static void RemoveTarget(string target)
{
ILogTarget logTarget = GetTarget(target);
if (logTarget != null)
{
Updated -= logTarget.Log;
m_LogTargets.Remove(logTarget);
logTarget.Dispose();
}
}
public static void Shutdown()
{
Updated = null;
foreach(var target in m_LogTargets)
{
target.Dispose();
}
m_LogTargets.Clear();
}
public static void SetEnable(LogLevel logLevel, bool enabled)
{
m_EnabledLevels[(int)logLevel] = enabled;
}
public static void SetEnable(LogClass logClass, bool enabled)
{
m_EnabledClasses[(int)logClass] = enabled;
}
public static void PrintDebug(LogClass logClass, string message, [CallerMemberName] string caller = "")
{
Print(LogLevel.Debug, logClass, GetFormattedMessage(logClass, message, caller));
}
public static void PrintInfo(LogClass logClass, string message, [CallerMemberName] string Caller = "")
{
Print(LogLevel.Info, logClass, GetFormattedMessage(logClass, message, Caller));
}
public static void PrintWarning(LogClass logClass, string message, [CallerMemberName] string Caller = "")
{
Print(LogLevel.Warning, logClass, GetFormattedMessage(logClass, message, Caller));
}
public static void PrintError(LogClass logClass, string message, [CallerMemberName] string Caller = "")
{
Print(LogLevel.Error, logClass, GetFormattedMessage(logClass, message, Caller));
}
public static void PrintStub(LogClass logClass, string message = "", [CallerMemberName] string caller = "")
{
Print(LogLevel.Stub, logClass, GetFormattedMessage(logClass, "Stubbed. " + message, caller));
}
public static void PrintStub<T>(LogClass logClass, T obj, [CallerMemberName] string caller = "")
{
Print(LogLevel.Stub, logClass, GetFormattedMessage(logClass, "Stubbed.", caller), obj);
}
public static void PrintStub<T>(LogClass logClass, string message, T obj, [CallerMemberName] string caller = "")
{
Print(LogLevel.Stub, logClass, GetFormattedMessage(logClass, "Stubbed. " + message, caller), obj);
}
public static void PrintGuest(LogClass logClass, string message, [CallerMemberName] string caller = "")
{
Print(LogLevel.Guest, logClass, GetFormattedMessage(logClass, message, caller));
}
public static void PrintAccessLog(LogClass logClass, string message)
{
Print(LogLevel.AccessLog, logClass, message);
}
private static void Print(LogLevel logLevel, LogClass logClass, string message)
{
if (m_EnabledLevels[(int)logLevel] && m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(logLevel, m_Time.Elapsed, Thread.CurrentThread.Name, message));
}
}
private static void Print(LogLevel logLevel, LogClass logClass, string message, object data)
{
if (m_EnabledLevels[(int)logLevel] && m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(logLevel, m_Time.Elapsed, Thread.CurrentThread.Name, message, data));
}
}
private static string GetFormattedMessage(LogClass Class, string Message, string Caller)
{
return $"{Class} {Caller}: {Message}";
}
}
}
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