139 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			V
		
	
	
			
		
		
	
	
			139 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			V
		
	
	
| module log
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| 
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| import os
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| import time
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| import term
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| import filepath
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| 
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| pub enum LogLevel {
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| 	fatal = 1
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| 	error
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| 	warn
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| 	info
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| 	debug
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| }
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| 
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| fn tag(l LogLevel) string {
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| 	return match l {
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| 		.fatal { term.red('F') }
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| 		.error { term.red('E') }
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| 		.warn  { term.yellow('W') }
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| 		.info  { term.white('I') }
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| 		.debug { term.blue('D') }
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| 		else { ' ' }
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| 	}
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| }
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| 
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| pub const (
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| 	FATAL = 1
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| 	ERROR = 2
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| 	WARN  = 3
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| 	INFO  = 4
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| 	DEBUG = 5
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| )
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| 
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| interface Logger {
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| 	fatal(s string)
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| 	error(s string)
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| 	warn(s string)
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| 	info(s string)
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| 	debug(s string)
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| }
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| 
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| pub struct Log {
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| mut:
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| 	level LogLevel
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| 	output_label string
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| 	ofile os.File
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| 	output_to_file bool
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| pub mut:
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| 	output_file_name string
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| }
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| 
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| pub fn (l mut Log) set_level(level int){
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| 	l.level = match level {
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| 		FATAL { LogLevel.fatal }
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| 		ERROR { LogLevel.error }
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| 		WARN { LogLevel.warn }
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| 		INFO { LogLevel.info }
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| 		DEBUG { LogLevel.debug }
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| 		else { .debug }
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| 	}
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| }
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| 
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| pub fn (l mut Log) set_output_level(level LogLevel){
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| 	l.level = level
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| }
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| 
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| pub fn (l mut Log) set_full_logpath(full_log_path string) {
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| 	rlog_file := os.realpath( full_log_path )
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| 	l.set_output_label( filepath.filename( rlog_file ) )
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| 	l.set_output_path( filepath.basedir( rlog_file ) )
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| }
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| 
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| pub fn (l mut Log) set_output_label(label string){
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| 	l.output_label = label
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| }
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| 
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| pub fn (l mut Log) set_output_path(output_file_path string) {
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| 	if l.ofile.is_opened() { l.ofile.close() }
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| 	l.output_to_file = true
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| 	l.output_file_name = filepath.join( os.realpath( output_file_path ) , l.output_label )
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| 	ofile := os.open_append( l.output_file_name  ) or {
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| 		panic('error while opening log file ${l.output_file_name} for appending')
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| 	}
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| 	l.ofile = ofile
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| }
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| 
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| pub fn (l mut Log) close(){
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|   l.ofile.close()
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| }
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| 
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| fn (l mut Log) log_file(s string, level LogLevel) {
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| 	timestamp := time.now().format_ss()
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| 	e := tag(level)
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| 	l.ofile.writeln('$timestamp [$e] $s')
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| }
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| 
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| fn (l &Log) log_cli(s string, level LogLevel) {
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| 	f := tag(level)
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| 	t := time.now()
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| 	println('[$f ${t.format_ss()}] $s')
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| }
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| 
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| fn (l mut Log) send_output(s &string, level LogLevel){
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| 	if l.output_to_file {
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| 		l.log_file(s, level)
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| 	} else {
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| 		l.log_cli(s, level)
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| 	}
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| }
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| 
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| pub fn (l mut Log) fatal(s string){
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| 	if l.level < .fatal { return }
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| 	l.send_output(s, .fatal)
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| 	l.ofile.close()
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| 	panic('$l.output_label: $s')
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| }
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| 
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| pub fn (l mut Log) error(s string){
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| 	if l.level < .error { return }
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| 	l.send_output(s, .error)
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| }
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| 
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| pub fn (l mut Log) warn(s string){
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| 	if l.level < .warn { return }
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| 	l.send_output(s, .warn)
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| }
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| 
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| pub fn (l mut Log) info(s string){
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| 	if l.level < .info { return }
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| 	l.send_output(s, .info)
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| }
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| 
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| pub fn (l mut Log) debug(s string){
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| 	if l.level < .debug { return	}
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| 	l.send_output(s, .debug)
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| }
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| 
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