139 lines
2.5 KiB
V
139 lines
2.5 KiB
V
module log
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import (
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os
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time
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term
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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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fn tag(l LogLevel) string {
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return match l {
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.fatal { term.red('FATAL') }
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.error { term.red('ERROR') }
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.warn { term.yellow('WARN ') }
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.info { term.white('INFO ') }
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.debug { term.blue('DEBUG') }
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else { ' ' }
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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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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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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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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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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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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( os.file_name( rlog_file ) )
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l.set_output_path( os.base_dir( rlog_file ) )
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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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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 = os.join_path( 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 ${l.output_file_name} for appending')
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}
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l.ofile = ofile
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}
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pub fn (l mut Log) close() {
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l.ofile.close()
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}
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fn (l mut Log) log_file(s string, level LogLevel) {
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timestamp := time.now().format_ss()
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e := tag(level)
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l.ofile.writeln('$timestamp [$e] $s')
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}
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fn (l &Log) log_cli(s string, level LogLevel) {
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f := tag(level)
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t := time.now()
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println('[$f ${t.format_ss()}] $s')
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}
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fn (l mut Log) send_output(s &string, level LogLevel) {
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if l.output_to_file {
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l.log_file(s, level)
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} else {
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l.log_cli(s, level)
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}
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}
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pub fn (l mut Log) fatal(s string){
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if l.level < .fatal { return }
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l.send_output(s, .fatal)
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l.ofile.close()
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panic('$l.output_label: $s')
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}
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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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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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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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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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