sharplib/Log.cs

401 lines
7.7 KiB
C#

using System;
using System.IO;
using System.Diagnostics;
using System.Collections;
using System.Runtime.CompilerServices;
using System.Collections.Generic;
using System.Reflection;
//using System.Threading.Tasks;
namespace lib
{
[Flags]
public enum LogTypeNew
{
Invalid = 0,
// Frequency
FrequencyBase = 1,
FrequencyBits = 2,
FrequencyMask = ( ( 1 << FrequencyBits ) - 1 ) << FrequencyBase,
Detail = 0b01 << FrequencyBase,
Normal = 0b10 << FrequencyBase,
Overview = 0b11 << FrequencyBase,
// Type
TypeBase = FrequencyBase + FrequencyBits,
TypeBits = 3,
TypeMask = ( ( 1 << TypeBits ) - 1 ) << TypeBase,
Startup = 0b001 << TypeBase,
Running = 0b010 << TypeBase,
Shutdown = 0b011 << TypeBase,
Error = 0b101 << TypeBase,
}
[Flags]
public enum LogType
{
Invalid = 0,
Trace = 1,
Debug = 2,
Info = 3,
Warn = 4,
Error = 5,
Fatal = 6,
}
public struct LogEvent
{
public DateTime Time;
public LogType LogType;
public string Cat;
public string Msg;
public object Obj;
public LogEvent( LogType logType, string cat, string msg, object obj )
{
Time = DateTime.Now;
LogType = logType;
Cat = cat;
Msg = msg;
Obj = obj;
}
}
public delegate void Log_delegate( LogEvent evt );
public class Log : TraceListener
{
static public void create( string filename )
{
s_log = new Log( filename );
}
static public void destroy()
{
string msg = "==============================================================================\nLogfile shutdown at " + DateTime.Now.ToString();
var evt = new LogEvent( LogType.Info, "System", msg, null );
s_log.writeToAll( evt );
s_log.stop();
s_log = null;
}
static public Log s_log;
/*
static public Log log
{
get
{
return s_log;
}
}
*/
// Forwards.
static public void fatal( string msg, string cat = "fatal", object obj = null )
{
log( msg, LogType.Fatal, cat, obj );
}
static public void error( string msg, string cat = "error", object obj = null )
{
log( msg, LogType.Error, cat, obj );
}
static public void warn( string msg, string cat = "warn", object obj = null )
{
log( msg, LogType.Warn, cat, obj );
}
static public void info( string msg, string cat = "info", object obj = null )
{
log( msg, LogType.Info, cat, obj );
}
static public void debug( string msg, string cat = "dbg", object obj = null )
{
log( msg, LogType.Debug, cat, obj );
}
static public void trace( string msg, string cat = "", object obj = null )
{
log( msg, LogType.Trace, cat, obj );
}
static public void log( string msg, LogType type = LogType.Debug, string cat = "unk", object obj = null )
{
lock( s_log )
{
var evt = new LogEvent( type, cat, msg, obj );
s_log.writeToAll( evt );
}
}
static public void logProps( object obj, string header, LogType type = LogType.Debug, string cat = "unk" )
{
var list = scr.GetAllProperties( obj.GetType() );
lock( s_log )
{
var evt = new LogEvent( type, cat, header, obj );
s_log.writeToAll( evt );
foreach( var pi in list )
{
try
{
var v = pi.GetValue( obj );
log( $"{pi.Name} = {v}", type, cat );
}
catch( Exception ex )
{
log( $"Exception processing {pi.Name} {ex.Message}", type, cat );
}
}
}
}
//This might seem a little odd, but the intent is that usually you wont need to set notExpectedValue.
static public void expected<T>( T value, string falseString, string trueString = "", T notExpectedValue = default( T ) )
{
if( !value.Equals( notExpectedValue ) )
{
lib.Log.info( $"Properly got {value}{trueString}" );
}
else
{
lib.Log.warn( $"Got {notExpectedValue} instead of {value}{falseString}" );
}
}
private Log( string filename )
{
//TODO: Fix this so itll work without a directory.
Directory.CreateDirectory( Path.GetDirectoryName( filename ) );
m_stream = new FileStream( filename, FileMode.Append, FileAccess.Write );
m_writer = new StreamWriter( m_stream );
m_errorStream = new FileStream( filename + ".error", FileMode.Append, FileAccess.Write );
m_errorWriter = new StreamWriter( m_errorStream );
//Debug.Listeners.Add( this );
string msg = "\n==============================================================================\nLogfile " + filename + " startup at " + DateTime.Now.ToString();
var evt = new LogEvent( LogType.Info, "System", msg, null );
writeToAll( evt );
}
public override void Write( string msg )
{
WriteLine( msg );
}
public override void WriteLine( string msg )
{
error( msg );
//base.WriteLine( msg );
}
void stop()
{
m_writer.Close();
m_stream.Close();
m_errorWriter.Close();
m_errorStream.Close();
}
public void addDelegate( Log_delegate cb )
{
m_delegates.Add( cb );
}
/*
private void writeFileAndLine( StackTrace st )
{
StackFrame frame = st.GetFrame( 1 );
string srcFile = frame.GetFileName();
string srcLine = frame.GetFileLineNumber().Tostring();
Console.WriteLine( $"{srcFile} ({srcLine}):" );
}
private void writeStack( StackTrace st )
{
for( int i=0; i<st.FrameCount; ++i )
{
StackFrame frame = st.GetFrame( i );
string srcFile = frame.GetFileName();
string srcLine = frame.GetFileLineNumber().Tostring();
if( srcFile != null )
{
Console.WriteLine( $"{srcFile} ({srcLine})" );
}
}
}
*/
private char getSymbol( LogType type )
{
switch( type )
{
case LogType.Trace:
return '.';
case LogType.Debug:
return '-';
case LogType.Info:
return ' ';
case LogType.Warn:
return '+';
case LogType.Error:
return '*';
case LogType.Fatal:
return '*';
default:
return '?';
}
}
private void writeToAll( LogEvent evt )
{
try
{
// _SHOULDNT_ need this since we lock at the top.
//lock( this )
{
char sym = getSymbol( evt.LogType );
string finalMsg = string.Format( "{0,-6}{1}| {2}", evt.Cat, sym, evt.Msg );
//Console.WriteLine( finalMsg );
//Console.Out.Write( finalMsg );
/*
foreach( var l_obj in Debug.Listeners )
{
var l = l_obj as TraceListener;
if( l != null && l != this )
{
l.WriteLine( finalMsg );
}
}
*/
m_writer.WriteLine( finalMsg );
m_writer.Flush();
foreach( Log_delegate cb in m_delegates )
{
//lock( cb )
{
cb( evt );
}
}
}
}
catch( Exception )
{
//oops.
//int dummy = 0;
}
}
/*
private void error_i( string msg, object obj )
{
//var t = Task.Run( () => {
StackTrace st = new StackTrace( true );
writeStack( st );
string msgPrint = msg;
if( args.Length > 0 )
{
msgPrint = string.Format( msg, args );
}
writeToAll( "error", "log", msgPrint );
//} );
}
private void warn_i( string msg, object obj )
{
//var t = Task.Run( () => {
StackTrace st = new StackTrace( true );
writeStack( st );
string msgPrint = msg;
if( args.Length > 0 )
{
msgPrint = string.Format( msg, args );
}
writeToAll( "warn", "log", msgPrint );
//});
}
private void info_i( string msg, object obj )
{
//var t = Task.Run( () => {
StackTrace st = new StackTrace( true );
string msgPrint = msg;
if( args.Length > 0 )
{
msgPrint = string.Format( msg, args );
}
writeToAll( "info", "log", msgPrint );
//} );
}
*/
private Stream m_stream;
private StreamWriter m_writer;
private Stream m_errorStream;
private StreamWriter m_errorWriter;
private ArrayList m_delegates = new ArrayList();
}
}