use parent qw/Exporter/;
no if $] > 5.017011, warnings => 'experimental::smartmatch';
-use POSIX qw//;
+use Digest::SHA qw/sha256_hex/;
+use Expect;
use File::Basename qw/fileparse/;
-use File::Slurp qw/write_file/;
-use Gruntmaster::Daemon::Constants qw/TLE OLE DIED NZX/;
-use Time::HiRes qw/alarm/;
+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 IPC::Signal qw/sig_name sig_num/;
+use String::ShellQuote qw/shell_quote/;
+use Time::HiRes qw/time/;
+use Try::Tiny;
-our $VERSION = "5999.000_002";
-our @EXPORT_OK = qw/prepare_files/;
+our $VERSION = '5999.000_005';
+our @EXPORT_OK = qw/copy_from_vm copy_to_vm prepare_files stopvms/;
##################################################
-sub command_and_args{
- my ($format, $basename) = @_;
+our (%vm, %pid);
- given($format) {
- "./$basename" when [qw/C CPP PASCAL/];
- "./$basename.exe" when 'MONO';
- java => $basename when 'JAVA';
- perl => $basename when 'PERL';
- python => $basename when 'PYTHON';
- default { die "Don't know how to execute format $format" }
+sub copy_from_vm {
+ my ($file) = @_;
+ return unless $ENV{GRUNTMASTER_COPY_FROM_VM};
+ get_logger->trace("Copying $file from VM");
+ system $ENV{GRUNTMASTER_COPY_FROM_VM}, $file
+}
+
+sub copy_to_vm {
+ my ($file) = @_;
+ return unless $ENV{GRUNTMASTER_COPY_TO_VM};
+ get_logger->trace("Copying $file to VM");
+ system $ENV{GRUNTMASTER_COPY_TO_VM}, $file
+}
+
+sub runvm {
+ my ($name, $arg) = @_;
+ return unless $ENV{GRUNTMASTER_VM};
+ my $cmd = $ENV{GRUNTMASTER_VM} . ' ' . $name;
+ $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(50, '# ') or get_logger->logdie("Error while starting VM $name: ". $vm{$name}->error);
+ $vm{$name}->send("rm -rf ~/work/*\n");
+ $vm{$name}->expect(50, '# ')
+}
+
+sub stopvms {
+ $_->hard_close for values %vm;
+ %vm = %pid = ();
+}
+
+sub execlist_finish {
+ my ($vm, $kill) = @_;
+
+ if ($vm{$vm}) {
+ warn "Cannot kill VM\n" if $kill;
+ $vm{$vm}->expect(50, '# ');
+ } 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";
+ copy_from_vm $er;
+ 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 $er\n";
+ get_logger->trace("Running: gruntmaster-exec @args");
+ exec 'gruntmaster-exec', @args;
+ }
}
}
local *__ANON__ = 'mkrun_runner';
my ($name, %args) = @_;
get_logger->trace("Running $name...");
- my $basename = fileparse $name, qr/\.[^.]*/;
- my $ret = fork // die 'Cannot fork';
- if ($ret) {
- my $tle;
- local $SIG{ALRM} = sub { kill KILL => $ret; $tle = 1};
- alarm $args{timeout} if exists $args{timeout};
- waitpid $ret, 0;
- alarm 0;
- my $sig = $? & 127;
- my $signame = sig_name $sig;
- die [TLE, "Time Limit Exceeded"] if $tle;
- die [OLE, 'Output Limit Exceeded'] if $sig && $signame eq 'XFSZ';
- die [DIED, "Crash (SIG$signame)"] if $sig && $signame ne 'PIPE';
- die [NZX, "Non-zero exit status: " . ($? >> 8)] if $? >> 8;
- } else {
- my @fds = exists $args{fds} ? @{$args{fds}} : ();
- $^F = 50;
- POSIX::close $_ for 0 .. $^F;
- my $it = natatime 2, @fds;
- while (my ($fd, $file) = $it->()) {
- open my $fh, $file or die $!;
- my $oldfd = fileno $fh;
- if ($oldfd != $fd) {
- POSIX::dup2 $oldfd, $fd or die $!;
- POSIX::close $oldfd or die $!;
- }
- }
- exec 'gruntmaster-exec', $args{mlimit} // 0, $args{olimit} // 0, command_and_args($format, $basename), exists $args{args} ? @{$args{args}} : ();
- exit 42
+ 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 $args{nonblocking}
}
}
my ($name, $format) = @_;
get_logger->trace("Preparing file $name...");
- $Gruntmaster::Daemon::errors .= `gruntmaster-compile $format $name 2>&1`;
- $Gruntmaster::Daemon::errors .= "\n";
- die 'Compile error' if $?
+ 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 {
+ copy_from_vm 'errors';
+ $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}) {
+ for my $file (values %{$meta->{files}}) {
my ($format, $name, $content) = @{$file}{qw/format name content/};
$file->{run} = mkrun($format);
write_file $name, $content;
- prepare $name, $format;
+ copy_to_vm $name;
+ if ($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
+ }
}
}