minisync/r.pl

45 lines
1.1 KiB
Perl
Executable File

#!/usr/bin/env perl
use strict;
use warnings;
use POSIX qw(strftime);
$|++;
sub ts {
strftime '%Y-%m-%d %H:%M:%S', localtime;
}
$SIG{CLD} = sub {
wait;
printf STDERR "{ts: \"".ts."\", proc: \"r\", action: \"exit\", code: $?, error: \"child_died\"}\n";
exit $?;
};
sub readcmd {
my $data = '';
while( length( $data) < 6) {
read( STDIN, $data, 6-length($data), length($data)) or return(0);
}
$data;
}
chdir $ARGV[0] or die( "{ts: \"".ts."\", proc: \"r\", error: \"cannot_chdir\", exception: \"$!\"}\n");
while( my$data = readcmd) {
(my$cmd, my$length) = unpack( 'nN', $data);
print STDERR "{ts: \"".ts."\", cmd: $cmd, length: $length}\n";
read STDIN, $data, $length;
if( 1 == $cmd) {
open( F, '>>', $data) or die( "{ts: \"".ts."\", proc: \"r\", error: \"unable_to_open_file\", message: \"Can't open file <$data>.\"}\n");
my@stat = stat F;
print pack( 'N', $stat[7]);
}
elsif( 2 == $cmd) {
print F $data;
}
else {
die( "{ts: \"".ts."\", proc: \"r\", error: \"unknown_command\", command: $cmd}\n");
}
}
print STDERR "{ts: \"".ts."\", proc: \"r\", exit: 0}\n";
exit 0;