138 lines
2.4 KiB
V
138 lines
2.4 KiB
V
module log
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import os
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import time
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import term
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pub enum Level {
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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 Level) 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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}
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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 Level
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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 (mut l Log) set_level(level Level) {
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l.level = level
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}
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pub fn (mut l Log) set_output_level(level Level) {
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l.level = level
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}
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pub fn (mut l Log) set_full_logpath(full_log_path string) {
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rlog_file := os.real_path(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 (mut l Log) set_output_label(label string) {
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l.output_label = label
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}
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pub fn (mut l Log) set_output_path(output_file_path string) {
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if l.ofile.is_opened {
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l.ofile.close()
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}
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l.output_to_file = true
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l.output_file_name = os.join_path(os.real_path(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 $l.output_file_name for appending')
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}
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l.ofile = ofile
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}
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// Writes the log file content to disk
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pub fn (mut l Log) flush() {
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l.ofile.flush()
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}
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pub fn (mut l Log) close() {
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l.ofile.close()
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}
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fn (mut l Log) log_file(s string, level Level) {
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timestamp := time.now().format_ss()
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e := tag(level)
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l.ofile.writeln('$timestamp [$e] $s')
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}
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fn (l &Log) log_cli(s string, level Level) {
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f := tag(level)
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t := time.now()
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println('[$f $t.format_ss()] $s')
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}
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fn (mut l Log) send_output(s &string, level Level) {
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if l.output_to_file {
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l.log_file(s, level)
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} else {
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l.log_cli(s, level)
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}
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}
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pub fn (mut l Log) fatal(s string) {
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if l.level < .fatal {
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return
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}
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l.send_output(s, .fatal)
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l.ofile.close()
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panic('$l.output_label: $s')
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}
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pub fn (mut l Log) error(s string) {
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if l.level < .error {
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return
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}
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l.send_output(s, .error)
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}
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pub fn (mut l Log) warn(s string) {
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if l.level < .warn {
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return
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}
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l.send_output(s, .warn)
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}
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pub fn (mut l Log) info(s string) {
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if l.level < .info {
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return
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}
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l.send_output(s, .info)
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}
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pub fn (mut l Log) debug(s string) {
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if l.level < .debug {
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return
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}
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l.send_output(s, .debug)
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}
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