… | |
… | |
90 | our $LINK_MAP; # the special {link} map, which is always available |
90 | our $LINK_MAP; # the special {link} map, which is always available |
91 | |
91 | |
92 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
92 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
93 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
93 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
94 | |
94 | |
|
|
95 | our $LOAD; # a number between 0 (idle) and 1 (too many objects) |
|
|
96 | our $LOADAVG; # same thing, but with alpha-smoothing |
|
|
97 | our $tick_start; # for load detecting purposes |
|
|
98 | |
95 | binmode STDOUT; |
99 | binmode STDOUT; |
96 | binmode STDERR; |
100 | binmode STDERR; |
97 | |
101 | |
98 | # read virtual server time, if available |
102 | # read virtual server time, if available |
99 | unless ($RUNTIME || !-e "$LOCALDIR/runtime") { |
103 | unless ($RUNTIME || !-e "$LOCALDIR/runtime") { |
… | |
… | |
139 | |
143 | |
140 | =item $cf::TICK |
144 | =item $cf::TICK |
141 | |
145 | |
142 | The interval between server ticks, in seconds. |
146 | The interval between server ticks, in seconds. |
143 | |
147 | |
|
|
148 | =item $cf::LOADAVG |
|
|
149 | |
|
|
150 | The current CPU load on the server (alpha-smoothed), as a value between 0 |
|
|
151 | (none) and 1 (overloaded), indicating how much time is spent on processing |
|
|
152 | objects per tick. Healthy values are < 0.5. |
|
|
153 | |
|
|
154 | =item $cf::LOAD |
|
|
155 | |
|
|
156 | The raw value load value from the last tick. |
|
|
157 | |
144 | =item %cf::CFG |
158 | =item %cf::CFG |
145 | |
159 | |
146 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
160 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
147 | from wherever your confdir points to. |
161 | from wherever your confdir points to. |
148 | |
162 | |
… | |
… | |
161 | my $msg = join "", @_; |
175 | my $msg = join "", @_; |
162 | |
176 | |
163 | $msg .= "\n" |
177 | $msg .= "\n" |
164 | unless $msg =~ /\n$/; |
178 | unless $msg =~ /\n$/; |
165 | |
179 | |
166 | $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; |
180 | $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; |
167 | |
181 | |
168 | utf8::encode $msg; |
182 | utf8::encode $msg; |
169 | LOG llevError, $msg; |
183 | LOG llevError, $msg; |
170 | }; |
184 | }; |
171 | } |
185 | } |
… | |
… | |
318 | |
332 | |
319 | sub sync_job(&) { |
333 | sub sync_job(&) { |
320 | my ($job) = @_; |
334 | my ($job) = @_; |
321 | |
335 | |
322 | if ($Coro::current == $Coro::main) { |
336 | if ($Coro::current == $Coro::main) { |
|
|
337 | my $time = Event::time; |
|
|
338 | |
323 | # this is the main coro, too bad, we have to block |
339 | # this is the main coro, too bad, we have to block |
324 | # till the operation succeeds, freezing the server :/ |
340 | # till the operation succeeds, freezing the server :/ |
325 | |
341 | |
326 | # TODO: use suspend/resume instead |
342 | # TODO: use suspend/resume instead |
327 | # (but this is cancel-safe) |
343 | # (but this is cancel-safe) |
… | |
… | |
338 | |
354 | |
339 | while ($busy) { |
355 | while ($busy) { |
340 | Coro::cede or Event::one_event; |
356 | Coro::cede or Event::one_event; |
341 | } |
357 | } |
342 | |
358 | |
|
|
359 | $time = Event::time - $time; |
|
|
360 | |
|
|
361 | LOG llevError | logBacktrace, Carp::longmess "long sync job" |
|
|
362 | if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; |
|
|
363 | |
|
|
364 | $tick_start += $time; # do not account sync jobs to server load |
|
|
365 | |
343 | wantarray ? @res : $res[0] |
366 | wantarray ? @res : $res[0] |
344 | } else { |
367 | } else { |
345 | # we are in another coroutine, how wonderful, everything just works |
368 | # we are in another coroutine, how wonderful, everything just works |
346 | |
369 | |
347 | $job->() |
370 | $job->() |
… | |
… | |
367 | |
390 | |
368 | $coro |
391 | $coro |
369 | } |
392 | } |
370 | |
393 | |
371 | sub write_runtime { |
394 | sub write_runtime { |
|
|
395 | my $runtime = "$LOCALDIR/runtime"; |
|
|
396 | |
|
|
397 | # first touch the runtime file to show we are still running: |
|
|
398 | # the fsync below can take a very very long time. |
|
|
399 | |
|
|
400 | if (my $fh = aio_open $runtime, O_WRONLY, 0) { |
|
|
401 | utime undef, undef, $fh; |
|
|
402 | } |
|
|
403 | |
372 | my $guard = cf::lock_acquire "write_runtime"; |
404 | my $guard = cf::lock_acquire "write_runtime"; |
373 | |
|
|
374 | my $runtime = "$LOCALDIR/runtime"; |
|
|
375 | |
405 | |
376 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
406 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
377 | or return; |
407 | or return; |
378 | |
408 | |
379 | my $value = $cf::RUNTIME + 90 + 10; |
409 | my $value = $cf::RUNTIME + 90 + 10; |
… | |
… | |
385 | |
415 | |
386 | # always fsync - this file is important |
416 | # always fsync - this file is important |
387 | aio_fsync $fh |
417 | aio_fsync $fh |
388 | and return; |
418 | and return; |
389 | |
419 | |
|
|
420 | # touch it again to show we are up-to-date |
|
|
421 | utime undef, undef, $fh; |
|
|
422 | |
390 | close $fh |
423 | close $fh |
391 | or return; |
424 | or return; |
392 | |
425 | |
393 | aio_rename "$runtime~", $runtime |
426 | aio_rename "$runtime~", $runtime |
394 | and return; |
427 | and return; |
|
|
428 | |
|
|
429 | warn "runtime file written.\n";#d# |
395 | |
430 | |
396 | 1 |
431 | 1 |
397 | } |
432 | } |
398 | |
433 | |
399 | =item cf::datalog type => key => value, ... |
434 | =item cf::datalog type => key => value, ... |
… | |
… | |
592 | $registry = $CB_TYPE[$object_type] ||= []; |
627 | $registry = $CB_TYPE[$object_type] ||= []; |
593 | |
628 | |
594 | } elsif ($type eq "subtype") { |
629 | } elsif ($type eq "subtype") { |
595 | defined $object_type or Carp::croak "subtype specified without type"; |
630 | defined $object_type or Carp::croak "subtype specified without type"; |
596 | my $object_subtype = shift @arg; |
631 | my $object_subtype = shift @arg; |
597 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
632 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= []; |
598 | |
633 | |
599 | } elsif ($type eq "package") { |
634 | } elsif ($type eq "package") { |
600 | my $pkg = shift @arg; |
635 | my $pkg = shift @arg; |
601 | |
636 | |
602 | while (my ($name, $id) = each %cb_id) { |
637 | while (my ($name, $id) = each %cb_id) { |
… | |
… | |
643 | if (ref $_[0]) { |
678 | if (ref $_[0]) { |
644 | _object_attach @_; |
679 | _object_attach @_; |
645 | } else { |
680 | } else { |
646 | _attach shift->_attach_registry, @_; |
681 | _attach shift->_attach_registry, @_; |
647 | } |
682 | } |
|
|
683 | _recalc_want; |
648 | }; |
684 | }; |
649 | |
685 | |
650 | # all those should be optimised |
686 | # all those should be optimised |
651 | sub cf::attachable::detach { |
687 | sub cf::attachable::detach { |
652 | my ($obj, $name) = @_; |
688 | my ($obj, $name) = @_; |
… | |
… | |
655 | delete $obj->{_attachment}{$name}; |
691 | delete $obj->{_attachment}{$name}; |
656 | reattach ($obj); |
692 | reattach ($obj); |
657 | } else { |
693 | } else { |
658 | Carp::croak "cannot, currently, detach class attachments"; |
694 | Carp::croak "cannot, currently, detach class attachments"; |
659 | } |
695 | } |
|
|
696 | _recalc_want; |
660 | }; |
697 | }; |
661 | |
698 | |
662 | sub cf::attachable::attached { |
699 | sub cf::attachable::attached { |
663 | my ($obj, $name) = @_; |
700 | my ($obj, $name) = @_; |
664 | |
701 | |
… | |
… | |
1352 | |
1389 | |
1353 | # the original (read-only) location |
1390 | # the original (read-only) location |
1354 | sub load_path { |
1391 | sub load_path { |
1355 | my ($self) = @_; |
1392 | my ($self) = @_; |
1356 | |
1393 | |
1357 | "$MAPDIR($self->{path}" |
1394 | "$MAPDIR/$self->{path}.map" |
1358 | } |
1395 | } |
1359 | |
1396 | |
1360 | # the temporary/swap location |
1397 | # the temporary/swap location |
1361 | sub save_path { |
1398 | sub save_path { |
1362 | my ($self) = @_; |
1399 | my ($self) = @_; |
1363 | |
1400 | |
1364 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1401 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1365 | "$TMPDIR/$path" |
1402 | "$TMPDIR/$path.map" |
1366 | } |
1403 | } |
1367 | |
1404 | |
1368 | # the unique path, undef == no special unique path |
1405 | # the unique path, undef == no special unique path |
1369 | sub uniq_path { |
1406 | sub uniq_path { |
1370 | my ($self) = @_; |
1407 | my ($self) = @_; |
… | |
… | |
1490 | my ($self) = @_; |
1527 | my ($self) = @_; |
1491 | |
1528 | |
1492 | local $self->{deny_reset} = 1; # loading can take a long time |
1529 | local $self->{deny_reset} = 1; # loading can take a long time |
1493 | |
1530 | |
1494 | my $path = $self->{path}; |
1531 | my $path = $self->{path}; |
|
|
1532 | |
|
|
1533 | { |
1495 | my $guard = cf::lock_acquire "map_load:$path"; |
1534 | my $guard = cf::lock_acquire "map_load:$path"; |
1496 | |
1535 | |
1497 | return if $self->in_memory != cf::MAP_SWAPPED; |
1536 | return if $self->in_memory != cf::MAP_SWAPPED; |
1498 | |
1537 | |
1499 | $self->in_memory (cf::MAP_LOADING); |
1538 | $self->in_memory (cf::MAP_LOADING); |
1500 | |
1539 | |
1501 | $self->alloc; |
1540 | $self->alloc; |
1502 | |
1541 | |
1503 | $self->pre_load; |
1542 | $self->pre_load; |
1504 | Coro::cede; |
|
|
1505 | |
|
|
1506 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1507 | or return; |
|
|
1508 | |
|
|
1509 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1510 | if delete $self->{load_original}; |
|
|
1511 | |
|
|
1512 | if (my $uniq = $self->uniq_path) { |
|
|
1513 | utf8::encode $uniq; |
|
|
1514 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1515 | $self->clear_unique_items; |
|
|
1516 | $self->_load_objects ($uniq, 0); |
|
|
1517 | } |
|
|
1518 | } |
|
|
1519 | |
|
|
1520 | Coro::cede; |
|
|
1521 | # now do the right thing for maps |
|
|
1522 | $self->link_multipart_objects; |
|
|
1523 | Coro::cede; |
|
|
1524 | |
|
|
1525 | unless ($self->{deny_activate}) { |
|
|
1526 | $self->decay_objects; |
|
|
1527 | $self->fix_auto_apply; |
|
|
1528 | $self->update_buttons; |
|
|
1529 | Coro::cede; |
1543 | Coro::cede; |
1530 | $self->set_darkness_map; |
1544 | |
|
|
1545 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1546 | or return; |
|
|
1547 | |
|
|
1548 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1549 | if delete $self->{load_original}; |
|
|
1550 | |
|
|
1551 | if (my $uniq = $self->uniq_path) { |
|
|
1552 | utf8::encode $uniq; |
|
|
1553 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1554 | $self->clear_unique_items; |
|
|
1555 | $self->_load_objects ($uniq, 0); |
|
|
1556 | } |
|
|
1557 | } |
|
|
1558 | |
|
|
1559 | Coro::cede; |
|
|
1560 | # now do the right thing for maps |
|
|
1561 | $self->link_multipart_objects; |
1531 | $self->difficulty ($self->estimate_difficulty) |
1562 | $self->difficulty ($self->estimate_difficulty) |
1532 | unless $self->difficulty; |
1563 | unless $self->difficulty; |
1533 | Coro::cede; |
1564 | Coro::cede; |
|
|
1565 | |
|
|
1566 | unless ($self->{deny_activate}) { |
|
|
1567 | $self->decay_objects; |
|
|
1568 | $self->fix_auto_apply; |
|
|
1569 | $self->update_buttons; |
|
|
1570 | Coro::cede; |
|
|
1571 | $self->set_darkness_map; |
|
|
1572 | Coro::cede; |
1534 | $self->activate; |
1573 | $self->activate; |
1535 | Coro::cede; |
1574 | } |
|
|
1575 | |
|
|
1576 | $self->in_memory (cf::MAP_IN_MEMORY); |
1536 | } |
1577 | } |
1537 | |
1578 | |
1538 | $self->post_load; |
1579 | $self->post_load; |
1539 | Coro::cede; |
|
|
1540 | |
|
|
1541 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1542 | } |
1580 | } |
1543 | |
1581 | |
1544 | sub customise_for { |
1582 | sub customise_for { |
1545 | my ($self, $ob) = @_; |
1583 | my ($self, $ob) = @_; |
1546 | |
1584 | |
… | |
… | |
2434 | |
2472 | |
2435 | die $$res unless "ARRAY" eq ref $res; |
2473 | die $$res unless "ARRAY" eq ref $res; |
2436 | |
2474 | |
2437 | return wantarray ? @$res : $res->[-1]; |
2475 | return wantarray ? @$res : $res->[-1]; |
2438 | } else { |
2476 | } else { |
|
|
2477 | reset_signals; |
2439 | local $SIG{__WARN__}; |
2478 | local $SIG{__WARN__}; |
|
|
2479 | local $SIG{__DIE__}; |
2440 | eval { |
2480 | eval { |
2441 | local $SIG{__DIE__}; |
|
|
2442 | close $fh1; |
2481 | close $fh1; |
2443 | |
2482 | |
2444 | my @res = eval { $cb->(@args) }; |
2483 | my @res = eval { $cb->(@args) }; |
2445 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
2484 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
2446 | }; |
2485 | }; |
… | |
… | |
2822 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
2861 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
2823 | unless ++$bug_warning > 10; |
2862 | unless ++$bug_warning > 10; |
2824 | return; |
2863 | return; |
2825 | } |
2864 | } |
2826 | |
2865 | |
2827 | $NOW = Event::time; |
2866 | $NOW = $tick_start = Event::time; |
2828 | |
2867 | |
2829 | cf::server_tick; # one server iteration |
2868 | cf::server_tick; # one server iteration |
2830 | |
2869 | |
2831 | $RUNTIME += $TICK; |
2870 | $RUNTIME += $TICK; |
2832 | $NEXT_TICK += $TICK; |
2871 | $NEXT_TICK += $TICK; |
… | |
… | |
2840 | } |
2879 | } |
2841 | |
2880 | |
2842 | # my $AFTER = Event::time; |
2881 | # my $AFTER = Event::time; |
2843 | # warn $AFTER - $NOW;#d# |
2882 | # warn $AFTER - $NOW;#d# |
2844 | |
2883 | |
|
|
2884 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
|
|
2885 | $sig->send; |
|
|
2886 | } |
|
|
2887 | while (my $sig = shift @WAIT_FOR_TICK) { |
|
|
2888 | $sig->send; |
|
|
2889 | } |
|
|
2890 | |
|
|
2891 | $NOW = Event::time; |
|
|
2892 | |
2845 | # if we are delayed by four ticks or more, skip them all |
2893 | # if we are delayed by four ticks or more, skip them all |
2846 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2894 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
2847 | |
2895 | |
2848 | $TICK_WATCHER->at ($NEXT_TICK); |
2896 | $TICK_WATCHER->at ($NEXT_TICK); |
2849 | $TICK_WATCHER->start; |
2897 | $TICK_WATCHER->start; |
2850 | |
2898 | |
2851 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
2899 | $LOAD = ($NOW - $tick_start) / $TICK; |
2852 | $sig->send; |
2900 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
2853 | } |
|
|
2854 | while (my $sig = shift @WAIT_FOR_TICK) { |
|
|
2855 | $sig->send; |
|
|
2856 | } |
|
|
2857 | |
2901 | |
2858 | _post_tick; |
2902 | _post_tick; |
|
|
2903 | |
|
|
2904 | |
2859 | }, |
2905 | }, |
2860 | ); |
2906 | ); |
2861 | |
2907 | |
2862 | { |
2908 | { |
2863 | BDB::max_poll_time $TICK * 0.1; |
2909 | BDB::max_poll_time $TICK * 0.1; |
… | |
… | |
2922 | prio => 6, |
2968 | prio => 6, |
2923 | cb => \&IO::AIO::poll_cb, |
2969 | cb => \&IO::AIO::poll_cb, |
2924 | ); |
2970 | ); |
2925 | } |
2971 | } |
2926 | |
2972 | |
|
|
2973 | my $_log_backtrace; |
|
|
2974 | |
|
|
2975 | sub _log_backtrace { |
|
|
2976 | my ($msg, @addr) = @_; |
|
|
2977 | |
|
|
2978 | $msg =~ s/\n//; |
|
|
2979 | |
|
|
2980 | # limit the # of concurrent backtraces |
|
|
2981 | if ($_log_backtrace < 2) { |
|
|
2982 | ++$_log_backtrace; |
|
|
2983 | async { |
|
|
2984 | my @bt = fork_call { |
|
|
2985 | @addr = map { sprintf "%x", $_ } @addr; |
|
|
2986 | my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; |
|
|
2987 | open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" |
|
|
2988 | or die "addr2line: $!"; |
|
|
2989 | |
|
|
2990 | my @funcs; |
|
|
2991 | my @res = <$fh>; |
|
|
2992 | chomp for @res; |
|
|
2993 | while (@res) { |
|
|
2994 | my ($func, $line) = splice @res, 0, 2, (); |
|
|
2995 | push @funcs, "[$func] $line"; |
|
|
2996 | } |
|
|
2997 | |
|
|
2998 | @funcs |
|
|
2999 | }; |
|
|
3000 | |
|
|
3001 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
3002 | LOG llevInfo, "[ABT] $_\n" for @bt; |
|
|
3003 | --$_log_backtrace; |
|
|
3004 | }; |
|
|
3005 | } else { |
|
|
3006 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
3007 | LOG llevInfo, "[ABT] [suppressed]\n"; |
|
|
3008 | } |
|
|
3009 | } |
|
|
3010 | |
2927 | # load additional modules |
3011 | # load additional modules |
2928 | use cf::pod; |
3012 | use cf::pod; |
2929 | |
3013 | |
2930 | END { cf::emergency_save } |
3014 | END { cf::emergency_save } |
2931 | |
3015 | |