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compiler_vm: reset vm only on time-outs to improve response speed

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Pragmatic Software 2012-02-25 08:30:49 +00:00
parent 58a592c86f
commit 38166bd14d
2 changed files with 19 additions and 12 deletions
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4
PBot/VERSION.pm
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@ -13,8 +13,8 @@ use warnings;
# These are set automatically by the build/commit script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 362,
BUILD_DATE => "2012-02-15",
BUILD_REVISION => 363,
BUILD_DATE => "2012-02-25",
};
1;

27
modules/compiler_vm/compiler_server.pl
View File

@ -39,8 +39,7 @@ sub vm_start {
}
if($pid == 0) {
#system('cp /home/compiler/compiler-saved-vm-backup /home/compiler/compiler-saved-vm');
my $command = 'nice -n -20 qemu-system-x86_64 -M pc -net none -hda /home/compiler/compiler-saved-vm -m 76 -monitor tcp:127.0.0.1:3335,server,nowait -serial tcp:127.0.0.1:3333,server,nowait -enable-kvm -boot c -loadvm 1 -nographic';
my $command = 'nice -n -20 qemu-system-x86_64 -M pc -net none -hda /home/compiler/compiler-saved-vm -m 128 -monitor tcp:127.0.0.1:3335,server,nowait -serial tcp:127.0.0.1:3333,server,nowait -boot c -loadvm 1 -enable-kvm -nographic';
my @command_list = split / /, $command;
exec(@command_list);
} else {
@ -78,7 +77,7 @@ sub execute {
my $pid = open(my $fh, '-|', "$cmdline 2>&1");
local $SIG{ALRM} = sub { print "Time out\n"; kill 'TERM', $pid; die "Timed-out\n"; };
local $SIG{ALRM} = sub { print "Time out\n"; kill 'TERM', $pid; die "Timed-out: $result\n"; };
alarm(7);
while(my $line = <$fh>) {
@ -89,20 +88,21 @@ sub execute {
my $ret = $? >> 8;
alarm 0;
print "[$ret, $result]\n";
#print "[$ret, $result]\n";
return ($ret, $result);
};
alarm 0;
if($@ =~ /Timed-out/) {
return (-13, '[Timed-out]');
if($@ =~ /Timed-out: (.*)/) {
return (-13, "[Timed-out] $1");
}
return ($ret, $result);
} else {
waitpid($child, 0);
my $result = $? >> 8;
print "child exited, parent continuing\n";
return undef;
return (undef, $result);
}
}
@ -116,6 +116,8 @@ sub compiler_server {
$client->autoflush(1);
my $hostinfo = gethostbyaddr($client->peeraddr);
printf "[Connect from %s]\n", $client->peerhost;
my $timed_out;
eval {
my $lang;
my $nick;
@ -140,10 +142,12 @@ sub compiler_server {
my ($ret, $result) = execute("./compiler_vm_client.pl $tnick -lang=$tlang $code");
if(not defined $ret) {
print "parent continued\n";
#print "parent continued\n";
$timed_out = 1 if $result == 243; # -13 == 243
last;
}
$result =~ s/\s+$//;
print "Ret: $ret; result: [$result]\n";
if($ret == -13) {
@ -153,8 +157,8 @@ sub compiler_server {
print $client $result . "\n";
close $client;
# child exit
print "child exit\n";
exit;
# print "child exit\n";
exit $ret;
}
if($line =~ /compile:([^:]+):(.*)$/) {
@ -174,6 +178,9 @@ sub compiler_server {
alarm 0;
close $client;
next unless $timed_out;
print "stopping vm $vm_pid\n";
vm_stop $vm_pid;
$vm_pid = vm_start;