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using Ryujinx.Common.SystemInterop;
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 readonly Stopwatch m_Time;
private static readonly bool[] m_EnabledClasses;
private static readonly List<ILogTarget> m_LogTargets;
private static readonly StdErrAdapter _stdErrAdapter;
public static event EventHandler<LogEventArgs> Updated;
public readonly struct Log
{
internal readonly LogLevel Level;
internal Log(LogLevel level)
{
Level = level;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void PrintMsg(LogClass logClass, string message)
{
if (m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, FormatMessage(logClass, "", message)));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Print(LogClass logClass, string message, [CallerMemberName] string caller = "")
{
if (m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, FormatMessage(logClass, caller, message)));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Print(LogClass logClass, string message, object data, [CallerMemberName] string caller = "")
{
if (m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, FormatMessage(logClass, caller, message), data));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void PrintStub(LogClass logClass, string message = "", [CallerMemberName] string caller = "")
{
if (m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, FormatMessage(logClass, caller, "Stubbed. " + message)));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void PrintStub(LogClass logClass, object data, [CallerMemberName] string caller = "")
{
if (m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, FormatMessage(logClass, caller, "Stubbed."), data));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void PrintStub(LogClass logClass, string message, object data, [CallerMemberName] string caller = "")
{
if (m_EnabledClasses[(int)logClass])
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, FormatMessage(logClass, caller, "Stubbed. " + message), data));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void PrintRawMsg(string message)
{
Updated?.Invoke(null, new LogEventArgs(Level, m_Time.Elapsed, Thread.CurrentThread.Name, message));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static string FormatMessage(LogClass Class, string Caller, string Message) => $"{Class} {Caller}: {Message}";
}
public static Log? Debug { get; private set; }
public static Log? Info { get; private set; }
public static Log? Warning { get; private set; }
public static Log? Error { get; private set; }
public static Log? Guest { get; private set; }
public static Log? AccessLog { get; private set; }
public static Log? Stub { get; private set; }
public static Log? Trace { get; private set; }
public static Log Notice { get; } // Always enabled
static Logger()
{
m_EnabledClasses = new bool[Enum.GetNames<LogClass>().Length];
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));
Notice = new Log(LogLevel.Notice);
// Enable important log levels before configuration is loaded
Error = new Log(LogLevel.Error);
Warning = new Log(LogLevel.Warning);
Info = new Log(LogLevel.Info);
Trace = new Log(LogLevel.Trace);
_stdErrAdapter = new StdErrAdapter();
}
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;
_stdErrAdapter.Dispose();
foreach (var target in m_LogTargets)
{
target.Dispose();
}
m_LogTargets.Clear();
}
public static IReadOnlyCollection<LogLevel> GetEnabledLevels()
{
var logs = new Log?[] { Debug, Info, Warning, Error, Guest, AccessLog, Stub, Trace };
List<LogLevel> levels = new List<LogLevel>(logs.Length);
foreach (var log in logs)
{
if (log.HasValue)
{
levels.Add(log.Value.Level);
}
}
return levels;
}
public static void SetEnable(LogLevel logLevel, bool enabled)
{
switch (logLevel)
{
case LogLevel.Debug : Debug = enabled ? new Log(LogLevel.Debug) : new Log?(); break;
case LogLevel.Info : Info = enabled ? new Log(LogLevel.Info) : new Log?(); break;
case LogLevel.Warning : Warning = enabled ? new Log(LogLevel.Warning) : new Log?(); break;
case LogLevel.Error : Error = enabled ? new Log(LogLevel.Error) : new Log?(); break;
case LogLevel.Guest : Guest = enabled ? new Log(LogLevel.Guest) : new Log?(); break;
case LogLevel.AccessLog : AccessLog = enabled ? new Log(LogLevel.AccessLog): new Log?(); break;
case LogLevel.Stub : Stub = enabled ? new Log(LogLevel.Stub) : new Log?(); break;
case LogLevel.Trace : Trace = enabled ? new Log(LogLevel.Trace) : new Log?(); break;
default: throw new ArgumentException("Unknown Log Level");
}
}
public static void SetEnable(LogClass logClass, bool enabled)
{
m_EnabledClasses[(int)logClass] = enabled;
}
}
}
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