… | |
… | |
4 | use strict; |
4 | use strict; |
5 | |
5 | |
6 | use Symbol; |
6 | use Symbol; |
7 | use List::Util; |
7 | use List::Util; |
8 | use Socket; |
8 | use Socket; |
9 | use Event; |
9 | use EV; |
10 | use Opcode; |
10 | use Opcode; |
11 | use Safe; |
11 | use Safe; |
12 | use Safe::Hole; |
12 | use Safe::Hole; |
13 | use Storable (); |
13 | use Storable (); |
14 | |
14 | |
15 | use Coro 4.1 (); |
15 | use Coro 4.32 (); |
16 | use Coro::State; |
16 | use Coro::State; |
17 | use Coro::Handle; |
17 | use Coro::Handle; |
18 | use Coro::Event; |
18 | use Coro::EV; |
19 | use Coro::Timer; |
19 | use Coro::Timer; |
20 | use Coro::Signal; |
20 | use Coro::Signal; |
21 | use Coro::Semaphore; |
21 | use Coro::Semaphore; |
22 | use Coro::AIO; |
22 | use Coro::AIO; |
|
|
23 | use Coro::BDB; |
23 | use Coro::Storable; |
24 | use Coro::Storable; |
24 | use Coro::Util (); |
25 | use Coro::Util (); |
25 | |
26 | |
26 | use JSON::XS (); |
27 | use JSON::XS 2.01 (); |
27 | use BDB (); |
28 | use BDB (); |
28 | use Data::Dumper; |
29 | use Data::Dumper; |
29 | use Digest::MD5; |
30 | use Digest::MD5; |
30 | use Fcntl; |
31 | use Fcntl; |
31 | use YAML::Syck (); |
32 | use YAML::Syck (); |
… | |
… | |
37 | # configure various modules to our taste |
38 | # configure various modules to our taste |
38 | # |
39 | # |
39 | $Storable::canonical = 1; # reduce rsync transfers |
40 | $Storable::canonical = 1; # reduce rsync transfers |
40 | Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator |
41 | Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator |
41 | Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later |
42 | Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later |
42 | |
|
|
43 | $Event::Eval = 1; # no idea why this is required, but it is |
|
|
44 | |
43 | |
45 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
44 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
46 | $YAML::Syck::ImplicitUnicode = 1; |
45 | $YAML::Syck::ImplicitUnicode = 1; |
47 | |
46 | |
48 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
47 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
… | |
… | |
76 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
75 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
77 | our $TICK_WATCHER; |
76 | our $TICK_WATCHER; |
78 | our $AIO_POLL_WATCHER; |
77 | our $AIO_POLL_WATCHER; |
79 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
78 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
80 | our $NEXT_TICK; |
79 | our $NEXT_TICK; |
81 | our $NOW; |
|
|
82 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
80 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
83 | |
81 | |
84 | our $BDB_POLL_WATCHER; |
82 | our $BDB_POLL_WATCHER; |
85 | our $BDB_DEADLOCK_WATCHER; |
83 | our $BDB_DEADLOCK_WATCHER; |
86 | our $BDB_CHECKPOINT_WATCHER; |
84 | our $BDB_CHECKPOINT_WATCHER; |
… | |
… | |
89 | |
87 | |
90 | our %CFG; |
88 | our %CFG; |
91 | |
89 | |
92 | our $UPTIME; $UPTIME ||= time; |
90 | our $UPTIME; $UPTIME ||= time; |
93 | our $RUNTIME; |
91 | our $RUNTIME; |
|
|
92 | our $NOW; |
94 | |
93 | |
95 | our (%PLAYER, %PLAYER_LOADING); # all users |
94 | our (%PLAYER, %PLAYER_LOADING); # all users |
96 | our (%MAP, %MAP_LOADING ); # all maps |
95 | our (%MAP, %MAP_LOADING ); # all maps |
97 | our $LINK_MAP; # the special {link} map, which is always available |
96 | our $LINK_MAP; # the special {link} map, which is always available |
98 | |
97 | |
… | |
… | |
162 | |
161 | |
163 | The raw value load value from the last tick. |
162 | The raw value load value from the last tick. |
164 | |
163 | |
165 | =item %cf::CFG |
164 | =item %cf::CFG |
166 | |
165 | |
167 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
166 | Configuration for the server, loaded from C</etc/deliantra-server/config>, or |
168 | from wherever your confdir points to. |
167 | from wherever your confdir points to. |
169 | |
168 | |
170 | =item cf::wait_for_tick, cf::wait_for_tick_begin |
169 | =item cf::wait_for_tick, cf::wait_for_tick_begin |
171 | |
170 | |
172 | These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only |
171 | These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only |
… | |
… | |
215 | )) { |
214 | )) { |
216 | no strict 'refs'; |
215 | no strict 'refs'; |
217 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
216 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
218 | } |
217 | } |
219 | |
218 | |
220 | $Event::DIED = sub { |
219 | $EV::DIED = sub { |
221 | warn "error in event callback: @_"; |
220 | warn "error in event callback: @_"; |
222 | }; |
221 | }; |
223 | |
222 | |
224 | ############################################################################# |
223 | ############################################################################# |
225 | |
224 | |
… | |
… | |
248 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
247 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
249 | $d |
248 | $d |
250 | } || "[unable to dump $_[0]: '$@']"; |
249 | } || "[unable to dump $_[0]: '$@']"; |
251 | } |
250 | } |
252 | |
251 | |
253 | =item $ref = cf::from_json $json |
252 | =item $ref = cf::decode_json $json |
254 | |
253 | |
255 | Converts a JSON string into the corresponding perl data structure. |
254 | Converts a JSON string into the corresponding perl data structure. |
256 | |
255 | |
257 | =item $json = cf::to_json $ref |
256 | =item $json = cf::encode_json $ref |
258 | |
257 | |
259 | Converts a perl data structure into its JSON representation. |
258 | Converts a perl data structure into its JSON representation. |
260 | |
259 | |
261 | =cut |
260 | =cut |
262 | |
261 | |
263 | our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max |
262 | our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max |
264 | |
263 | |
265 | sub to_json ($) { $json_coder->encode ($_[0]) } |
264 | sub encode_json($) { $json_coder->encode ($_[0]) } |
266 | sub from_json ($) { $json_coder->decode ($_[0]) } |
265 | sub decode_json($) { $json_coder->decode ($_[0]) } |
267 | |
266 | |
268 | =item cf::lock_wait $string |
267 | =item cf::lock_wait $string |
269 | |
268 | |
270 | Wait until the given lock is available. See cf::lock_acquire. |
269 | Wait until the given lock is available. See cf::lock_acquire. |
271 | |
270 | |
… | |
… | |
334 | my $guard = Coro::guard { |
333 | my $guard = Coro::guard { |
335 | $TICK_WATCHER->start; |
334 | $TICK_WATCHER->start; |
336 | }; |
335 | }; |
337 | $TICK_WATCHER->stop; |
336 | $TICK_WATCHER->stop; |
338 | $guard |
337 | $guard |
|
|
338 | } |
|
|
339 | |
|
|
340 | =item cf::periodic $interval, $cb |
|
|
341 | |
|
|
342 | Like EV::periodic, but randomly selects a starting point so that the actions |
|
|
343 | get spread over timer. |
|
|
344 | |
|
|
345 | =cut |
|
|
346 | |
|
|
347 | sub periodic($$) { |
|
|
348 | my ($interval, $cb) = @_; |
|
|
349 | |
|
|
350 | my $start = rand List::Util::min 180, $interval; |
|
|
351 | |
|
|
352 | EV::periodic $start, $interval, 0, $cb |
339 | } |
353 | } |
340 | |
354 | |
341 | =item cf::get_slot $time[, $priority[, $name]] |
355 | =item cf::get_slot $time[, $priority[, $name]] |
342 | |
356 | |
343 | Allocate $time seconds of blocking CPU time at priority C<$priority>: |
357 | Allocate $time seconds of blocking CPU time at priority C<$priority>: |
… | |
… | |
406 | |
420 | |
407 | BEGIN { *async = \&Coro::async_pool } |
421 | BEGIN { *async = \&Coro::async_pool } |
408 | |
422 | |
409 | =item cf::sync_job { BLOCK } |
423 | =item cf::sync_job { BLOCK } |
410 | |
424 | |
411 | The design of Crossfire TRT requires that the main coroutine ($Coro::main) |
425 | The design of Deliantra requires that the main coroutine ($Coro::main) |
412 | is always able to handle events or runnable, as Crossfire TRT is only |
426 | is always able to handle events or runnable, as Deliantra is only |
413 | partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not |
427 | partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not |
414 | acceptable. |
428 | acceptable. |
415 | |
429 | |
416 | If it must be done, put the blocking parts into C<sync_job>. This will run |
430 | If it must be done, put the blocking parts into C<sync_job>. This will run |
417 | the given BLOCK in another coroutine while waiting for the result. The |
431 | the given BLOCK in another coroutine while waiting for the result. The |
… | |
… | |
422 | |
436 | |
423 | sub sync_job(&) { |
437 | sub sync_job(&) { |
424 | my ($job) = @_; |
438 | my ($job) = @_; |
425 | |
439 | |
426 | if ($Coro::current == $Coro::main) { |
440 | if ($Coro::current == $Coro::main) { |
427 | my $time = Event::time; |
441 | my $time = EV::time; |
428 | |
442 | |
429 | # this is the main coro, too bad, we have to block |
443 | # this is the main coro, too bad, we have to block |
430 | # till the operation succeeds, freezing the server :/ |
444 | # till the operation succeeds, freezing the server :/ |
431 | |
445 | |
432 | LOG llevError, Carp::longmess "sync job";#d# |
446 | LOG llevError, Carp::longmess "sync job";#d# |
… | |
… | |
447 | |
461 | |
448 | while ($busy) { |
462 | while ($busy) { |
449 | if (Coro::nready) { |
463 | if (Coro::nready) { |
450 | Coro::cede_notself; |
464 | Coro::cede_notself; |
451 | } else { |
465 | } else { |
452 | Event::one_event; |
466 | EV::loop EV::LOOP_ONESHOT; |
453 | } |
467 | } |
454 | } |
468 | } |
455 | |
469 | |
456 | $time = Event::time - $time; |
470 | $time = EV::time - $time; |
457 | |
471 | |
458 | LOG llevError | logBacktrace, Carp::longmess "long sync job" |
472 | LOG llevError | logBacktrace, Carp::longmess "long sync job" |
459 | if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; |
473 | if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; |
460 | |
474 | |
461 | $tick_start += $time; # do not account sync jobs to server load |
475 | $tick_start += $time; # do not account sync jobs to server load |
… | |
… | |
491 | =item fork_call { }, $args |
505 | =item fork_call { }, $args |
492 | |
506 | |
493 | Executes the given code block with the given arguments in a seperate |
507 | Executes the given code block with the given arguments in a seperate |
494 | process, returning the results. Everything must be serialisable with |
508 | process, returning the results. Everything must be serialisable with |
495 | Coro::Storable. May, of course, block. Note that the executed sub may |
509 | Coro::Storable. May, of course, block. Note that the executed sub may |
496 | never block itself or use any form of Event handling. |
510 | never block itself or use any form of event handling. |
497 | |
511 | |
498 | =cut |
512 | =cut |
499 | |
513 | |
500 | sub fork_call(&@) { |
514 | sub fork_call(&@) { |
501 | my ($cb, @args) = @_; |
515 | my ($cb, @args) = @_; |
… | |
… | |
662 | attach callbacks/event handlers (a collection of which is called an "attachment") |
676 | attach callbacks/event handlers (a collection of which is called an "attachment") |
663 | to it. All such attachable objects support the following methods. |
677 | to it. All such attachable objects support the following methods. |
664 | |
678 | |
665 | In the following description, CLASS can be any of C<global>, C<object> |
679 | In the following description, CLASS can be any of C<global>, C<object> |
666 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
680 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
667 | Crossfire TRT). |
681 | Deliantra). |
668 | |
682 | |
669 | =over 4 |
683 | =over 4 |
670 | |
684 | |
671 | =item $attachable->attach ($attachment, key => $value...) |
685 | =item $attachable->attach ($attachment, key => $value...) |
672 | |
686 | |
… | |
… | |
1042 | cf::attachable->attach ( |
1056 | cf::attachable->attach ( |
1043 | prio => -1000000, |
1057 | prio => -1000000, |
1044 | on_instantiate => sub { |
1058 | on_instantiate => sub { |
1045 | my ($obj, $data) = @_; |
1059 | my ($obj, $data) = @_; |
1046 | |
1060 | |
1047 | $data = from_json $data; |
1061 | $data = decode_json $data; |
1048 | |
1062 | |
1049 | for (@$data) { |
1063 | for (@$data) { |
1050 | my ($name, $args) = @$_; |
1064 | my ($name, $args) = @$_; |
1051 | |
1065 | |
1052 | $obj->attach ($name, %{$args || {} }); |
1066 | $obj->attach ($name, %{$args || {} }); |
… | |
… | |
1548 | |
1562 | |
1549 | Expand crossfire pod fragments into protocol xml. |
1563 | Expand crossfire pod fragments into protocol xml. |
1550 | |
1564 | |
1551 | =cut |
1565 | =cut |
1552 | |
1566 | |
1553 | use re 'eval'; |
1567 | use re 'eval'; |
1554 | |
1568 | |
1555 | my $group; |
1569 | my $group; |
1556 | my $interior; $interior = qr{ |
1570 | my $interior; $interior = qr{ |
|
|
1571 | # match a pod interior sequence sans C<< >> |
1557 | (?: |
1572 | (?: |
1558 | \ (.*?)\ (?{ $group = $^N }) |
1573 | \ (.*?)\ (?{ $group = $^N }) |
1559 | | < (??{$interior}) > |
1574 | | < (??{$interior}) > |
1560 | ) |
1575 | ) |
1561 | }x; |
1576 | }x; |
… | |
… | |
1564 | my ($self, $pod) = @_; |
1579 | my ($self, $pod) = @_; |
1565 | |
1580 | |
1566 | my $xml; |
1581 | my $xml; |
1567 | |
1582 | |
1568 | while () { |
1583 | while () { |
1569 | if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) { |
1584 | if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) { |
1570 | $group = $1; |
1585 | $group = $1; |
1571 | |
1586 | |
1572 | $group =~ s/&/&/g; |
1587 | $group =~ s/&/&/g; |
1573 | $group =~ s/</</g; |
1588 | $group =~ s/</</g; |
1574 | |
1589 | |
… | |
… | |
1627 | } |
1642 | } |
1628 | |
1643 | |
1629 | $xml |
1644 | $xml |
1630 | } |
1645 | } |
1631 | |
1646 | |
|
|
1647 | no re 'eval'; |
|
|
1648 | |
1632 | sub hintmode { |
1649 | sub hintmode { |
1633 | $_[0]{hintmode} = $_[1] if @_ > 1; |
1650 | $_[0]{hintmode} = $_[1] if @_ > 1; |
1634 | $_[0]{hintmode} |
1651 | $_[0]{hintmode} |
1635 | } |
1652 | } |
1636 | |
1653 | |
… | |
… | |
2622 | $rmp->{origin_y} = $exit->y; |
2639 | $rmp->{origin_y} = $exit->y; |
2623 | } |
2640 | } |
2624 | |
2641 | |
2625 | $rmp->{random_seed} ||= $exit->random_seed; |
2642 | $rmp->{random_seed} ||= $exit->random_seed; |
2626 | |
2643 | |
2627 | my $data = cf::to_json $rmp; |
2644 | my $data = cf::encode_json $rmp; |
2628 | my $md5 = Digest::MD5::md5_hex $data; |
2645 | my $md5 = Digest::MD5::md5_hex $data; |
2629 | my $meta = "$RANDOMDIR/$md5.meta"; |
2646 | my $meta = "$RANDOMDIR/$md5.meta"; |
2630 | |
2647 | |
2631 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
2648 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
2632 | aio_write $fh, 0, (length $data), $data, 0; |
2649 | aio_write $fh, 0, (length $data), $data, 0; |
… | |
… | |
3303 | # we must not ever block the main coroutine |
3320 | # we must not ever block the main coroutine |
3304 | local $Coro::idle = sub { |
3321 | local $Coro::idle = sub { |
3305 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
3322 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
3306 | (async { |
3323 | (async { |
3307 | $Coro::current->{desc} = "IDLE BUG HANDLER"; |
3324 | $Coro::current->{desc} = "IDLE BUG HANDLER"; |
3308 | Event::one_event; |
3325 | EV::loop EV::LOOP_ONESHOT; |
3309 | })->prio (Coro::PRIO_MAX); |
3326 | })->prio (Coro::PRIO_MAX); |
3310 | }; |
3327 | }; |
3311 | |
3328 | |
3312 | reload_config; |
3329 | reload_config; |
3313 | db_init; |
3330 | db_init; |
3314 | load_extensions; |
3331 | load_extensions; |
3315 | |
3332 | |
3316 | $TICK_WATCHER->start; |
3333 | $TICK_WATCHER->start; |
|
|
3334 | $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority |
3317 | Event::loop; |
3335 | EV::loop; |
3318 | } |
3336 | } |
3319 | |
3337 | |
3320 | ############################################################################# |
3338 | ############################################################################# |
3321 | # initialisation and cleanup |
3339 | # initialisation and cleanup |
3322 | |
3340 | |
3323 | # install some emergency cleanup handlers |
3341 | # install some emergency cleanup handlers |
3324 | BEGIN { |
3342 | BEGIN { |
|
|
3343 | our %SIGWATCHER = (); |
3325 | for my $signal (qw(INT HUP TERM)) { |
3344 | for my $signal (qw(INT HUP TERM)) { |
3326 | Event->signal ( |
3345 | $SIGWATCHER{$signal} = EV::signal $signal, sub { |
3327 | reentrant => 0, |
|
|
3328 | data => WF_AUTOCANCEL, |
|
|
3329 | signal => $signal, |
|
|
3330 | prio => 0, |
|
|
3331 | cb => sub { |
|
|
3332 | cf::cleanup "SIG$signal"; |
3346 | cf::cleanup "SIG$signal"; |
3333 | }, |
|
|
3334 | ); |
3347 | }; |
3335 | } |
3348 | } |
3336 | } |
3349 | } |
3337 | |
3350 | |
3338 | sub write_runtime { |
3351 | sub write_runtime { |
3339 | my $runtime = "$LOCALDIR/runtime"; |
3352 | my $runtime = "$LOCALDIR/runtime"; |
… | |
… | |
3433 | warn "syncing database to disk"; |
3446 | warn "syncing database to disk"; |
3434 | BDB::db_env_txn_checkpoint $DB_ENV; |
3447 | BDB::db_env_txn_checkpoint $DB_ENV; |
3435 | |
3448 | |
3436 | # if anything goes wrong in here, we should simply crash as we already saved |
3449 | # if anything goes wrong in here, we should simply crash as we already saved |
3437 | |
3450 | |
3438 | warn "cancelling all WF_AUTOCANCEL watchers"; |
|
|
3439 | for (Event::all_watchers) { |
|
|
3440 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
3441 | } |
|
|
3442 | |
|
|
3443 | warn "flushing outstanding aio requests"; |
3451 | warn "flushing outstanding aio requests"; |
3444 | for (;;) { |
3452 | for (;;) { |
3445 | BDB::flush; |
3453 | BDB::flush; |
3446 | IO::AIO::flush; |
3454 | IO::AIO::flush; |
3447 | Coro::cede_notself; |
3455 | Coro::cede_notself; |
… | |
… | |
3541 | |
3549 | |
3542 | sub reload_perl() { |
3550 | sub reload_perl() { |
3543 | # doing reload synchronously and two reloads happen back-to-back, |
3551 | # doing reload synchronously and two reloads happen back-to-back, |
3544 | # coro crashes during coro_state_free->destroy here. |
3552 | # coro crashes during coro_state_free->destroy here. |
3545 | |
3553 | |
3546 | $RELOAD_WATCHER ||= Event->timer ( |
3554 | $RELOAD_WATCHER ||= EV::timer 0, 0, sub { |
3547 | reentrant => 0, |
|
|
3548 | after => 0, |
|
|
3549 | data => WF_AUTOCANCEL, |
|
|
3550 | cb => sub { |
|
|
3551 | do_reload_perl; |
|
|
3552 | undef $RELOAD_WATCHER; |
3555 | undef $RELOAD_WATCHER; |
3553 | }, |
3556 | do_reload_perl; |
3554 | ); |
3557 | }; |
3555 | } |
3558 | } |
3556 | |
3559 | |
3557 | register_command "reload" => sub { |
3560 | register_command "reload" => sub { |
3558 | my ($who, $arg) = @_; |
3561 | my ($who, $arg) = @_; |
3559 | |
3562 | |
… | |
… | |
3589 | my $signal = new Coro::Signal; |
3592 | my $signal = new Coro::Signal; |
3590 | push @WAIT_FOR_TICK_BEGIN, $signal; |
3593 | push @WAIT_FOR_TICK_BEGIN, $signal; |
3591 | $signal->wait; |
3594 | $signal->wait; |
3592 | } |
3595 | } |
3593 | |
3596 | |
3594 | $TICK_WATCHER = Event->timer ( |
3597 | $TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { |
3595 | reentrant => 0, |
|
|
3596 | parked => 1, |
|
|
3597 | prio => 0, |
|
|
3598 | at => $NEXT_TICK || $TICK, |
|
|
3599 | data => WF_AUTOCANCEL, |
|
|
3600 | cb => sub { |
|
|
3601 | if ($Coro::current != $Coro::main) { |
3598 | if ($Coro::current != $Coro::main) { |
3602 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
3599 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
3603 | unless ++$bug_warning > 10; |
3600 | unless ++$bug_warning > 10; |
3604 | return; |
3601 | return; |
3605 | } |
3602 | } |
3606 | |
3603 | |
3607 | $NOW = $tick_start = Event::time; |
3604 | $NOW = $tick_start = EV::now; |
3608 | |
3605 | |
3609 | cf::server_tick; # one server iteration |
3606 | cf::server_tick; # one server iteration |
3610 | |
3607 | |
3611 | $RUNTIME += $TICK; |
3608 | $RUNTIME += $TICK; |
3612 | $NEXT_TICK += $TICK; |
3609 | $NEXT_TICK += $TICK; |
3613 | |
3610 | |
3614 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
3611 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
3615 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
3612 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
3616 | Coro::async_pool { |
3613 | Coro::async_pool { |
3617 | $Coro::current->{desc} = "runtime saver"; |
3614 | $Coro::current->{desc} = "runtime saver"; |
3618 | write_runtime |
3615 | write_runtime |
3619 | or warn "ERROR: unable to write runtime file: $!"; |
3616 | or warn "ERROR: unable to write runtime file: $!"; |
3620 | }; |
|
|
3621 | } |
3617 | }; |
|
|
3618 | } |
3622 | |
3619 | |
3623 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
3620 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
3624 | $sig->send; |
3621 | $sig->send; |
3625 | } |
3622 | } |
3626 | while (my $sig = shift @WAIT_FOR_TICK) { |
3623 | while (my $sig = shift @WAIT_FOR_TICK) { |
3627 | $sig->send; |
3624 | $sig->send; |
3628 | } |
3625 | } |
3629 | |
3626 | |
3630 | $NOW = Event::time; |
|
|
3631 | |
|
|
3632 | # if we are delayed by four ticks or more, skip them all |
|
|
3633 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
|
|
3634 | |
|
|
3635 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
3636 | $TICK_WATCHER->start; |
|
|
3637 | |
|
|
3638 | $LOAD = ($NOW - $tick_start) / $TICK; |
3627 | $LOAD = ($NOW - $tick_start) / $TICK; |
3639 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
3628 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
3640 | |
3629 | |
3641 | _post_tick; |
3630 | _post_tick; |
3642 | }, |
3631 | }; |
3643 | ); |
3632 | $TICK_WATCHER->priority (EV::MAXPRI); |
3644 | |
3633 | |
3645 | { |
3634 | { |
3646 | BDB::min_parallel 8; |
3635 | BDB::min_parallel 8; |
3647 | BDB::max_poll_time $TICK * 0.1; |
3636 | BDB::max_poll_reqs $TICK * 0.1; |
3648 | $BDB_POLL_WATCHER = Event->io ( |
|
|
3649 | reentrant => 0, |
|
|
3650 | fd => BDB::poll_fileno, |
|
|
3651 | poll => 'r', |
|
|
3652 | prio => 0, |
|
|
3653 | data => WF_AUTOCANCEL, |
|
|
3654 | cb => \&BDB::poll_cb, |
|
|
3655 | ); |
|
|
3656 | |
|
|
3657 | BDB::set_sync_prepare { |
|
|
3658 | my $status; |
|
|
3659 | my $current = $Coro::current; |
|
|
3660 | ( |
|
|
3661 | sub { |
|
|
3662 | $status = $!; |
|
|
3663 | $current->ready; undef $current; |
|
|
3664 | }, |
|
|
3665 | sub { |
|
|
3666 | Coro::schedule while defined $current; |
|
|
3667 | $! = $status; |
|
|
3668 | }, |
|
|
3669 | ) |
|
|
3670 | }; |
|
|
3671 | |
3637 | |
3672 | unless ($DB_ENV) { |
3638 | unless ($DB_ENV) { |
3673 | $DB_ENV = BDB::db_env_create; |
3639 | $DB_ENV = BDB::db_env_create; |
3674 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC |
3640 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC |
3675 | | BDB::LOG_AUTOREMOVE, 1); |
3641 | | BDB::LOG_AUTOREMOVE, 1); |
… | |
… | |
3690 | |
3656 | |
3691 | cf::cleanup "db_env_open(db): $@" if $@; |
3657 | cf::cleanup "db_env_open(db): $@" if $@; |
3692 | }; |
3658 | }; |
3693 | } |
3659 | } |
3694 | |
3660 | |
3695 | $BDB_DEADLOCK_WATCHER = Event->timer ( |
3661 | $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub { |
3696 | after => 3, |
|
|
3697 | interval => 1, |
|
|
3698 | hard => 1, |
|
|
3699 | prio => 0, |
|
|
3700 | data => WF_AUTOCANCEL, |
|
|
3701 | cb => sub { |
|
|
3702 | BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; |
3662 | BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; |
3703 | }, |
|
|
3704 | ); |
3663 | }; |
3705 | $BDB_CHECKPOINT_WATCHER = Event->timer ( |
3664 | $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub { |
3706 | after => 11, |
|
|
3707 | interval => 60, |
|
|
3708 | hard => 1, |
|
|
3709 | prio => 0, |
|
|
3710 | data => WF_AUTOCANCEL, |
|
|
3711 | cb => sub { |
|
|
3712 | BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; |
3665 | BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; |
3713 | }, |
|
|
3714 | ); |
3666 | }; |
3715 | $BDB_TRICKLE_WATCHER = Event->timer ( |
3667 | $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub { |
3716 | after => 5, |
|
|
3717 | interval => 10, |
|
|
3718 | hard => 1, |
|
|
3719 | prio => 0, |
|
|
3720 | data => WF_AUTOCANCEL, |
|
|
3721 | cb => sub { |
|
|
3722 | BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; |
3668 | BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; |
3723 | }, |
|
|
3724 | ); |
3669 | }; |
3725 | } |
3670 | } |
3726 | |
3671 | |
3727 | { |
3672 | { |
3728 | IO::AIO::min_parallel 8; |
3673 | IO::AIO::min_parallel 8; |
3729 | |
3674 | |
3730 | undef $Coro::AIO::WATCHER; |
3675 | undef $Coro::AIO::WATCHER; |
3731 | IO::AIO::max_poll_time $TICK * 0.1; |
3676 | IO::AIO::max_poll_time $TICK * 0.1; |
3732 | $AIO_POLL_WATCHER = Event->io ( |
3677 | $AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
3733 | reentrant => 0, |
|
|
3734 | data => WF_AUTOCANCEL, |
|
|
3735 | fd => IO::AIO::poll_fileno, |
|
|
3736 | poll => 'r', |
|
|
3737 | prio => 0, |
|
|
3738 | cb => \&IO::AIO::poll_cb, |
|
|
3739 | ); |
|
|
3740 | } |
3678 | } |
3741 | |
3679 | |
3742 | my $_log_backtrace; |
3680 | my $_log_backtrace; |
3743 | |
3681 | |
3744 | sub _log_backtrace { |
3682 | sub _log_backtrace { |