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ACU/ACU/Log.pm

169 lines
3.7 KiB
Perl

package ACU::Log;
use v5.10.1;
use strict;
use warnings;
use Carp;
use utf8;
use open IO => ':utf8';
use open ':std';
use Data::Dumper;
use Exporter 'import';
use POSIX qw(strftime);
use Term::ANSIColor qw(:constants);
use constant {
FATAL => 1,
ALERT => 2,
ERROR => 3,
WARN => 4,
DONE => 5,
USAGE => 6,
PENDING => 6.5,
INFO => 7,
DEBUG => 8,
TRACE => 9,
};
our @EXPORT = qw(log FATAL ALERT ERROR WARN DONE USAGE PENDING INFO DEBUG TRACE);
our $display_level = 7;
our $save_level = 9;
our $fatal_error = 1;
our $fatal_warn = 0;
our $mail_error = 0;
our $log_file = $0.".log";
my $log_fd;
my $HOSTNAME = `hostname`;
chomp($HOSTNAME);
sub log
{
my $level = shift;
if ($#_ < 0) { return; }
if (!$_[0]) {
$Carp::Verbose = 1;
croak "Empty log message, this should not append!";
}
if (!$log_fd && $log_file) {
open ($log_fd, ">>", $log_file) or croak("Unable to open log ($log_file) file for writing");
# Enable autoflush for the log file
my $previous_default = select($log_fd);
$|++;
select($previous_default);
say $log_fd strftime("%a %b %e %H:%M:%S %Y", localtime), " START new logging session ";
}
if ($level <= $save_level and $log_fd)
{
print $log_fd strftime("%a %b %e %H:%M:%S %Y", localtime), " ", levelstr($level), " ";
if ($level == TRACE) {
print $log_fd Dumper(@_);
}
else {
say $log_fd @_;
}
}
if ($mail_error && $level <= ERROR)
{
require Email::MIME;
require Email::Sender::Simple;
Email::Sender::Simple->import(qw(sendmail));
my $mail = Email::MIME->create(
header_str => [
From => "Roots assistants <root\@$HOSTNAME.acu.epita.fr>",
To => "Roots assistants <ml-root\@acu.epita.fr>",
Subject => "[LERDORF][ERROR] ".join(' ', @_)
],
attributes => {
encoding => 'quoted-printable',
charset => 'utf-8',
format => 'flowed',
},
body_str => "Bonjour,
Une erreur de niveau $level est survenue sur la machine $HOSTNAME.
Cette erreur est survenue lors de l'exécution du script :
$0.
Voici le contenu du message d'erreur :
".join(' ', @_)."
Cordialement,
--
The lerdorf project",
);
sendmail($mail);
}
if ($level <= $display_level)
{
$|++; # Autoflush STDOUT
if ($level == PENDING) {
print STDERR (leveldisp($level), @_, RESET, "\r");
} else {
say STDERR (leveldisp($level), @_, RESET);
}
$|--; # Disable autoflush
}
if ($fatal_warn && $level <= WARN){
#log(INFO, "Program stopped due to warning");
exit 125;
}
elsif ($fatal_error && $level <= ERROR) {
#log(INFO, "Program stopped due to error");
exit 126;
}
elsif ($level <= FATAL) {
#log(INFO, "Program stopped due to fatal error");
exit 127;
}
}
sub levelstr($)
{
my $level = shift;
return "FATAL" if ($level <= 1);
return "ALERT" if ($level <= 2);
return "ERROR" if ($level <= 3);
return "WARN " if ($level <= 4);
return "DONE " if ($level <= 5);
return "USAGE" if ($level <= 6);
return "INFO " if ($level <= 7);
return "DEBUG" if ($level <= 8);
return "TRACE";
}
sub leveldisp($)
{
my $level = shift;
return BOLD, ON_RED, YELLOW, "/!\\", RESET, " ", BOLD if ($level <= 1);
return BOLD, ON_RED, ">>>", RESET, " ", BOLD if ($level <= 2);
return BOLD, RED, ">>>", RESET, " ", BOLD if ($level <= 3);
return BOLD, YELLOW, ">>>", RESET, " ", BOLD if ($level <= 4);
return BOLD, GREEN, ">>>", RESET, " ", BOLD if ($level <= 5);
return BOLD, MAGENTA, " * ", RESET, " ", BOLD if ($level <= 6);
return BOLD, CYAN, ">>>", RESET, " " if ($level < 7);
return BOLD, CYAN, " * ", RESET, " " if ($level == 7);
return BOLD, BLUE, " % ", RESET, " " if ($level <= 8);
return BOLD, BLUE, "#", RESET, " ";
}
1;