package Gruntmaster::Daemon::Format; use 5.014000; use strict; use warnings; use parent qw/Exporter/; no if $] > 5.017011, warnings => 'experimental::smartmatch'; use Digest::SHA qw/sha256_hex/; use Expect; use File::Basename qw/fileparse/; use File::Copy qw/cp/; use File::Slurp qw/read_file write_file/; use List::MoreUtils qw/natatime/; use Log::Log4perl qw/get_logger/; use String::ShellQuote qw/shell_quote/; use Time::HiRes qw/time/; use Try::Tiny; our $VERSION = '5999.000_005'; our @EXPORT_OK = qw/prepare_files stopvms/; ################################################## our (%vm, %pid); sub runvm { my ($name, $arg) = @_; return unless $ENV{GRUNTMASTER_VM}; my $cmd = $ENV{GRUNTMASTER_VM}; $cmd .= ' ' . $arg if $arg; get_logger->trace("Starting VM $name ($cmd)"); $vm{$name} = Expect->new; $vm{$name}->raw_pty(1); $vm{$name}->log_stdout(0); $vm{$name}->spawn($cmd); $vm{$name}->expect(5, '# ') or get_logger->logdie("Error while starting VM $name: ". $vm{$name}->error); } sub stopvms { kill KILL => $_->pid for values %vm; %vm = %pid = (); } sub execlist_finish { my ($vm, $kill) = @_; if ($vm{$vm}) { warn "Cannot kill VM\n" if $kill; $vm{$vm}->expect(5, '# '); } else { kill KILL => $pid{$vm} if $kill; waitpid $pid{$vm}, 0; } write_file "time-stop-$vm", time; return if $kill; my $er = "exec-result-$vm"; die "gruntmaster-exec died\n" if -z $er; my ($excode, $exmsg) = read_file $er; unlink $er; chomp ($excode, $exmsg); ## no critic (ProhibitParensWithBuiltins) get_logger->trace("Exec result from $vm: $excode $exmsg"); die [$excode, $exmsg] if $excode; ## no critic (RequireCarping) } sub execlist { my ($vm, @args) = @_; write_file "time-start-$vm", time; my $er = "exec-result-$vm"; if ($vm{$vm}) { my $cmd = ">$er " . shell_quote 'gruntmaster-exec', @args; get_logger->trace("Running in VM $vm: $cmd"); $vm{$vm}->send($cmd, "\n"); } else { $pid{$vm} = fork // die "Cannot fork\n"; unless ($pid{$vm}) { open STDOUT, '>', $er or die "Cannot open $er\n"; get_logger->trace("Running: gruntmaster-exec @args"); exec 'gruntmaster-exec', @args; } } } sub mkrun{ my $format = shift; sub{ local *__ANON__ = 'mkrun_runner'; my ($name, %args) = @_; get_logger->trace("Running $name..."); my $basename = fileparse $name, qr/[.][^.]*/s; my @args = ('--sudo'); push @args, '--keep-stderr' if $ENV{TEST_VERBOSE}; push @args, '--timeout', $args{timeout} if $args{timeout}; push @args, '--mlimit', $args{mlimit} if $args{mlimit}; push @args, '--olimit', $args{olimit} if $args{olimit}; my @fds = exists $args{fds} ? @{$args{fds}} : (); my $it = natatime 2, @fds; while (my ($fd, $file) = $it->()) { push @args, "--fd=$fd $file"; } execlist $basename, @args, '--', "./$basename", @{$args{args}}; execlist_finish $basename unless $args{nonblocking} } } sub prepare{ my ($name, $format) = @_; get_logger->trace("Preparing file $name..."); try { execlist prog => '--fd=1 >>errors', '--fd=2 >>errors', 'gruntmaster-compile', $format, $name; execlist_finish 'prog'; } catch { my $exmsg = $_->[1]; die "Compile error ($exmsg)\n" } finally { $Gruntmaster::Daemon::errors .= read_file 'errors'; $Gruntmaster::Daemon::errors .= "\n" if -s 'errors'; unlink 'errors'; }; } sub prepare_files{ my $meta = shift; if ($meta->{runner} eq 'Interactive') { runvm ver => '-serial unix:vm.sock,nowait,server'; runvm prog => '-serial unix:vm.sock,nowait'; } else { runvm $_ for keys %{$meta->{files}}; } for my $file (values %{$meta->{files}}) { my ($format, $name, $content) = @{$file}{qw/format name content/}; $file->{run} = mkrun($format); write_file $name, $content; if ($ENV{GRUNTMASTER_CCACHE}) { my $key = lc sha256_hex($content) . '-' . $format; my $cachefn = "$ENV{GRUNTMASTER_CCACHE}/$key"; my $exefn = fileparse $name, qr/[.][^.]*/s; if (cp $cachefn, $exefn) { get_logger->trace("File $name found in compilation cache") } else { prepare $name, $format; cp $exefn, $cachefn } } else { prepare $name, $format } } } 1; __END__ =encoding utf-8 =head1 NAME Gruntmaster::Daemon::Format - Utility functions for handling source files =head1 SYNOPSIS use Gruntmaster::Daemon::Format qw/prepare_files/; prepare_files { files => { prog => { name => 'prog.pl', format => 'PERL', content => 'print "Hello, world!"' }, ver => { name => 'ver.cpp', format => 'CPP', content => ... }, }}; =head1 DESCRIPTION Gruntmaster::Daemon::Format exports utility functions for handling source files. =over =item B I<$meta> Compiles all the source files in C<< $meta->{files} >>. =back =head1 AUTHOR Marius Gavrilescu Emarius@ieval.roE =head1 COPYRIGHT AND LICENSE Copyright (C) 2014 by Marius Gavrilescu This library is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. =cut