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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Event; 9use EV;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable (); 13use Storable ();
14 14
15use Coro 4.1 (); 15use Coro 4.1 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::EV;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util (); 24use Coro::Util ();
25 25
26use JSON::XS (); 26use JSON::XS 2.01 ();
27use BDB (); 27use BDB ();
28use Data::Dumper; 28use Data::Dumper;
29use Digest::MD5; 29use Digest::MD5;
30use Fcntl; 30use Fcntl;
31use YAML::Syck (); 31use YAML::Syck ();
… …
37# configure various modules to our taste 37# configure various modules to our taste
38# 38#
39$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44 42
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1; 44$YAML::Syck::ImplicitUnicode = 1;
47 45
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
… …
162 160
163The raw value load value from the last tick. 161The raw value load value from the last tick.
164 162
165=item %cf::CFG 163=item %cf::CFG
166 164
167Configuration for the server, loaded from C</etc/crossfire/config>, or 165Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168from wherever your confdir points to. 166from wherever your confdir points to.
169 167
170=item cf::wait_for_tick, cf::wait_for_tick_begin 168=item cf::wait_for_tick, cf::wait_for_tick_begin
171 169
172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 170These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
… …
215)) { 213)) {
216 no strict 'refs'; 214 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 216}
219 217
220$Event::DIED = sub { 218$EV::DIED = sub {
221 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
222}; 220};
223 221
224############################################################################# 222#############################################################################
225 223
… …
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d 247 $d
250 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
251} 249}
252 250
253=item $ref = cf::from_json $json 251=item $ref = cf::decode_json $json
254 252
255Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
256 254
257=item $json = cf::to_json $ref 255=item $json = cf::encode_json $ref
258 256
259Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
260 258
261=cut 259=cut
262 260
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 262
265sub to_json ($) { $json_coder->encode ($_[0]) } 263sub encode_json($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) } 264sub decode_json($) { $json_coder->decode ($_[0]) }
267 265
268=item cf::lock_wait $string 266=item cf::lock_wait $string
269 267
270Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
271 269
… …
334 my $guard = Coro::guard { 332 my $guard = Coro::guard {
335 $TICK_WATCHER->start; 333 $TICK_WATCHER->start;
336 }; 334 };
337 $TICK_WATCHER->stop; 335 $TICK_WATCHER->stop;
338 $guard 336 $guard
337}
338
339=item cf::periodic $interval, $cb
340
341Like EV::periodic, but randomly selects a starting point so that the actions
342get spread over timer.
343
344=cut
345
346sub periodic($$) {
347 my ($interval, $cb) = @_;
348
349 my $start = rand List::Util::min 180, $interval;
350
351 EV::periodic $start, $interval, 0, $cb
339} 352}
340 353
341=item cf::get_slot $time[, $priority[, $name]] 354=item cf::get_slot $time[, $priority[, $name]]
342 355
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 356Allocate $time seconds of blocking CPU time at priority C<$priority>:
… …
406 419
407BEGIN { *async = \&Coro::async_pool } 420BEGIN { *async = \&Coro::async_pool }
408 421
409=item cf::sync_job { BLOCK } 422=item cf::sync_job { BLOCK }
410 423
411The design of Crossfire TRT requires that the main coroutine ($Coro::main) 424The design of Deliantra requires that the main coroutine ($Coro::main)
412is always able to handle events or runnable, as Crossfire TRT is only 425is always able to handle events or runnable, as Deliantra is only
413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 426partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable. 427acceptable.
415 428
416If it must be done, put the blocking parts into C<sync_job>. This will run 429If it must be done, put the blocking parts into C<sync_job>. This will run
417the given BLOCK in another coroutine while waiting for the result. The 430the given BLOCK in another coroutine while waiting for the result. The
… …
422 435
423sub sync_job(&) { 436sub sync_job(&) {
424 my ($job) = @_; 437 my ($job) = @_;
425 438
426 if ($Coro::current == $Coro::main) { 439 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 440 my $time = EV::time;
428 441
429 # this is the main coro, too bad, we have to block 442 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 443 # till the operation succeeds, freezing the server :/
431 444
432 LOG llevError, Carp::longmess "sync job";#d# 445 LOG llevError, Carp::longmess "sync job";#d#
… …
447 460
448 while ($busy) { 461 while ($busy) {
449 if (Coro::nready) { 462 if (Coro::nready) {
450 Coro::cede_notself; 463 Coro::cede_notself;
451 } else { 464 } else {
452 Event::one_event; 465 EV::loop EV::LOOP_ONESHOT;
453 } 466 }
454 } 467 }
455 468
456 $time = Event::time - $time; 469 $time = EV::time - $time;
457 470
458 LOG llevError | logBacktrace, Carp::longmess "long sync job" 471 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; 472 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460 473
461 $tick_start += $time; # do not account sync jobs to server load 474 $tick_start += $time; # do not account sync jobs to server load
… …
491=item fork_call { }, $args 504=item fork_call { }, $args
492 505
493Executes the given code block with the given arguments in a seperate 506Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with 507process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may 508Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling. 509never block itself or use any form of event handling.
497 510
498=cut 511=cut
499 512
500sub fork_call(&@) { 513sub fork_call(&@) {
501 my ($cb, @args) = @_; 514 my ($cb, @args) = @_;
… …
662attach callbacks/event handlers (a collection of which is called an "attachment") 675attach callbacks/event handlers (a collection of which is called an "attachment")
663to it. All such attachable objects support the following methods. 676to it. All such attachable objects support the following methods.
664 677
665In the following description, CLASS can be any of C<global>, C<object> 678In the following description, CLASS can be any of C<global>, C<object>
666C<player>, C<client> or C<map> (i.e. the attachable objects in 679C<player>, C<client> or C<map> (i.e. the attachable objects in
667Crossfire TRT). 680Deliantra).
668 681
669=over 4 682=over 4
670 683
671=item $attachable->attach ($attachment, key => $value...) 684=item $attachable->attach ($attachment, key => $value...)
672 685
… …
1042cf::attachable->attach ( 1055cf::attachable->attach (
1043 prio => -1000000, 1056 prio => -1000000,
1044 on_instantiate => sub { 1057 on_instantiate => sub {
1045 my ($obj, $data) = @_; 1058 my ($obj, $data) = @_;
1046 1059
1047 $data = from_json $data; 1060 $data = decode_json $data;
1048 1061
1049 for (@$data) { 1062 for (@$data) {
1050 my ($name, $args) = @$_; 1063 my ($name, $args) = @$_;
1051 1064
1052 $obj->attach ($name, %{$args || {} }); 1065 $obj->attach ($name, %{$args || {} });
… …
1548 1561
1549Expand crossfire pod fragments into protocol xml. 1562Expand crossfire pod fragments into protocol xml.
1550 1563
1551=cut 1564=cut
1552 1565
1566use re 'eval';
1567
1568my $group;
1569my $interior; $interior = qr{
1570 # match a pod interior sequence sans C<< >>
1571 (?:
1572 \ (.*?)\ (?{ $group = $^N })
1573 | < (??{$interior}) >
1574 )
1575}x;
1576
1553sub expand_cfpod { 1577sub expand_cfpod {
1554 ((my $self), (local $_)) = @_; 1578 my ($self, $pod) = @_;
1555 1579
1556 # escape & and < 1580 my $xml;
1557 s/&/&amp;/g;
1558 s/(?<![BIUGHT])</&lt;/g;
1559 1581
1560 # this is buggy, it needs to properly take care of nested <'s 1582 while () {
1583 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584 $group = $1;
1561 1585
1562 1 while 1586 $group =~ s/&/&amp;/g;
1563 # replace B<>, I<>, U<> etc. 1587 $group =~ s/</&lt;/g;
1564 s/B<([^\>]*)>/<b>$1<\/b>/ 1588
1565 || s/I<([^\>]*)>/<i>$1<\/i>/ 1589 $xml .= $group;
1566 || s/U<([^\>]*)>/<u>$1<\/u>/ 1590 } elsif ($pod =~ m%\G
1567 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1591 ([BCGHITU])
1568 # replace G<male|female> tags 1592 <
1569 || s{G<([^>|]*)\|([^>]*)>}{ 1593 (?:
1570 $self->gender ? $2 : $1 1594 ([^<>]*) (?{ $group = $^N })
1571 }ge 1595 | < $interior >
1572 # replace H<hint text> 1596 )
1573 || s{H<([^\>]*)>} 1597 >
1598 %gcsx
1574 { 1599 ) {
1600 my ($code, $data) = ($1, $group);
1601
1602 if ($code eq "B") {
1603 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604 } elsif ($code eq "I") {
1605 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606 } elsif ($code eq "U") {
1607 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608 } elsif ($code eq "C") {
1609 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610 } elsif ($code eq "T") {
1611 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612 } elsif ($code eq "G") {
1613 my ($male, $female) = split /\|/, $data;
1614 $data = $self->gender ? $female : $male;
1615 $xml .= expand_cfpod ($self, $data);
1616 } elsif ($code eq "H") {
1575 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1617 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1576 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1618 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577 "") 1619 "")
1578 [$self->{hintmode}] 1620 [$self->{hintmode}];
1621 } else {
1622 $xml .= "error processing '$code($data)' directive";
1579 }ge; 1623 }
1624 } else {
1625 if ($pod =~ /\G(.+)/) {
1626 warn "parse error while expanding $pod (at $1)";
1627 }
1628 last;
1629 }
1630 }
1580 1631
1632 for ($xml) {
1581 # create single paragraphs (very hackish) 1633 # create single paragraphs (very hackish)
1582 s/(?<=\S)\n(?=\w)/ /g; 1634 s/(?<=\S)\n(?=\w)/ /g;
1583 1635
1584 # compress some whitespace 1636 # compress some whitespace
1585 s/\s+\n/\n/g; # ws line-ends 1637 s/\s+\n/\n/g; # ws line-ends
1586 s/\n\n+/\n/g; # double lines 1638 s/\n\n+/\n/g; # double lines
1587 s/^\n+//; # beginning lines 1639 s/^\n+//; # beginning lines
1588 s/\n+$//; # ending lines 1640 s/\n+$//; # ending lines
1641 }
1589 1642
1590 $_ 1643 $xml
1591} 1644}
1645
1646no re 'eval';
1592 1647
1593sub hintmode { 1648sub hintmode {
1594 $_[0]{hintmode} = $_[1] if @_ > 1; 1649 $_[0]{hintmode} = $_[1] if @_ > 1;
1595 $_[0]{hintmode} 1650 $_[0]{hintmode}
1596} 1651}
… …
2583 $rmp->{origin_y} = $exit->y; 2638 $rmp->{origin_y} = $exit->y;
2584 } 2639 }
2585 2640
2586 $rmp->{random_seed} ||= $exit->random_seed; 2641 $rmp->{random_seed} ||= $exit->random_seed;
2587 2642
2588 my $data = cf::to_json $rmp; 2643 my $data = cf::encode_json $rmp;
2589 my $md5 = Digest::MD5::md5_hex $data; 2644 my $md5 = Digest::MD5::md5_hex $data;
2590 my $meta = "$RANDOMDIR/$md5.meta"; 2645 my $meta = "$RANDOMDIR/$md5.meta";
2591 2646
2592 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2647 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593 aio_write $fh, 0, (length $data), $data, 0; 2648 aio_write $fh, 0, (length $data), $data, 0;
… …
2666the message, with C<log> being the default. If C<$color> is negative, suppress 2721the message, with C<log> being the default. If C<$color> is negative, suppress
2667the message unless the client supports the msg packet. 2722the message unless the client supports the msg packet.
2668 2723
2669=cut 2724=cut
2670 2725
2726# non-persistent channels (usually the info channel)
2671our %CHANNEL = ( 2727our %CHANNEL = (
2672 "c/identify" => { 2728 "c/identify" => {
2673 id => "infobox", 2729 id => "infobox",
2674 title => "Identify", 2730 title => "Identify",
2675 reply => undef, 2731 reply => undef,
… …
2679 id => "infobox", 2735 id => "infobox",
2680 title => "Examine", 2736 title => "Examine",
2681 reply => undef, 2737 reply => undef,
2682 tooltip => "Signs and other items you examined", 2738 tooltip => "Signs and other items you examined",
2683 }, 2739 },
2740 "c/book" => {
2741 id => "infobox",
2742 title => "Book",
2743 reply => undef,
2744 tooltip => "The contents of a note or book",
2745 },
2684 "c/lookat" => { 2746 "c/lookat" => {
2685 id => "infobox", 2747 id => "infobox",
2686 title => "Look", 2748 title => "Look",
2687 reply => undef, 2749 reply => undef,
2688 tooltip => "What you saw there", 2750 tooltip => "What you saw there",
2751 },
2752 "c/who" => {
2753 id => "infobox",
2754 title => "Players",
2755 reply => undef,
2756 tooltip => "Shows players who are currently online",
2757 },
2758 "c/body" => {
2759 id => "infobox",
2760 title => "Body Parts",
2761 reply => undef,
2762 tooltip => "Shows which body parts you posess and are available",
2763 },
2764 "c/uptime" => {
2765 id => "infobox",
2766 title => "Uptime",
2767 reply => undef,
2768 tooltip => "How long the server has been running since last restart",
2769 },
2770 "c/mapinfo" => {
2771 id => "infobox",
2772 title => "Map Info",
2773 reply => undef,
2774 tooltip => "Information related to the maps",
2689 }, 2775 },
2690); 2776);
2691 2777
2692sub cf::client::send_msg { 2778sub cf::client::send_msg {
2693 my ($self, $channel, $msg, $color, @extra) = @_; 2779 my ($self, $channel, $msg, $color, @extra) = @_;
… …
3233 # we must not ever block the main coroutine 3319 # we must not ever block the main coroutine
3234 local $Coro::idle = sub { 3320 local $Coro::idle = sub {
3235 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3321 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3236 (async { 3322 (async {
3237 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3323 $Coro::current->{desc} = "IDLE BUG HANDLER";
3238 Event::one_event; 3324 EV::loop EV::LOOP_ONESHOT;
3239 })->prio (Coro::PRIO_MAX); 3325 })->prio (Coro::PRIO_MAX);
3240 }; 3326 };
3241 3327
3242 reload_config; 3328 reload_config;
3243 db_init; 3329 db_init;
3244 load_extensions; 3330 load_extensions;
3245 3331
3246 $TICK_WATCHER->start; 3332 $TICK_WATCHER->start;
3333 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3247 Event::loop; 3334 EV::loop;
3248} 3335}
3249 3336
3250############################################################################# 3337#############################################################################
3251# initialisation and cleanup 3338# initialisation and cleanup
3252 3339
3253# install some emergency cleanup handlers 3340# install some emergency cleanup handlers
3254BEGIN { 3341BEGIN {
3342 our %SIGWATCHER = ();
3255 for my $signal (qw(INT HUP TERM)) { 3343 for my $signal (qw(INT HUP TERM)) {
3256 Event->signal ( 3344 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3257 reentrant => 0,
3258 data => WF_AUTOCANCEL,
3259 signal => $signal,
3260 prio => 0,
3261 cb => sub {
3262 cf::cleanup "SIG$signal"; 3345 cf::cleanup "SIG$signal";
3263 },
3264 ); 3346 };
3265 } 3347 }
3266} 3348}
3267 3349
3268sub write_runtime { 3350sub write_runtime {
3269 my $runtime = "$LOCALDIR/runtime"; 3351 my $runtime = "$LOCALDIR/runtime";
… …
3363 warn "syncing database to disk"; 3445 warn "syncing database to disk";
3364 BDB::db_env_txn_checkpoint $DB_ENV; 3446 BDB::db_env_txn_checkpoint $DB_ENV;
3365 3447
3366 # if anything goes wrong in here, we should simply crash as we already saved 3448 # if anything goes wrong in here, we should simply crash as we already saved
3367 3449
3368 warn "cancelling all WF_AUTOCANCEL watchers";
3369 for (Event::all_watchers) {
3370 $_->cancel if $_->data & WF_AUTOCANCEL;
3371 }
3372
3373 warn "flushing outstanding aio requests"; 3450 warn "flushing outstanding aio requests";
3374 for (;;) { 3451 for (;;) {
3375 BDB::flush; 3452 BDB::flush;
3376 IO::AIO::flush; 3453 IO::AIO::flush;
3377 Coro::cede_notself; 3454 Coro::cede_notself;
… …
3471 3548
3472sub reload_perl() { 3549sub reload_perl() {
3473 # doing reload synchronously and two reloads happen back-to-back, 3550 # doing reload synchronously and two reloads happen back-to-back,
3474 # coro crashes during coro_state_free->destroy here. 3551 # coro crashes during coro_state_free->destroy here.
3475 3552
3476 $RELOAD_WATCHER ||= Event->timer ( 3553 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3477 reentrant => 0,
3478 after => 0,
3479 data => WF_AUTOCANCEL,
3480 cb => sub {
3481 do_reload_perl;
3482 undef $RELOAD_WATCHER; 3554 undef $RELOAD_WATCHER;
3483 }, 3555 do_reload_perl;
3484 ); 3556 };
3485} 3557}
3486 3558
3487register_command "reload" => sub { 3559register_command "reload" => sub {
3488 my ($who, $arg) = @_; 3560 my ($who, $arg) = @_;
3489 3561
… …
3519 my $signal = new Coro::Signal; 3591 my $signal = new Coro::Signal;
3520 push @WAIT_FOR_TICK_BEGIN, $signal; 3592 push @WAIT_FOR_TICK_BEGIN, $signal;
3521 $signal->wait; 3593 $signal->wait;
3522} 3594}
3523 3595
3524$TICK_WATCHER = Event->timer ( 3596$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3525 reentrant => 0,
3526 parked => 1,
3527 prio => 0,
3528 at => $NEXT_TICK || $TICK,
3529 data => WF_AUTOCANCEL,
3530 cb => sub {
3531 if ($Coro::current != $Coro::main) { 3597 if ($Coro::current != $Coro::main) {
3532 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3598 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3533 unless ++$bug_warning > 10; 3599 unless ++$bug_warning > 10;
3534 return; 3600 return;
3535 } 3601 }
3536 3602
3537 $NOW = $tick_start = Event::time; 3603 $NOW = $tick_start = EV::now;
3538 3604
3539 cf::server_tick; # one server iteration 3605 cf::server_tick; # one server iteration
3540 3606
3541 $RUNTIME += $TICK; 3607 $RUNTIME += $TICK;
3542 $NEXT_TICK += $TICK; 3608 $NEXT_TICK += $TICK;
3543 3609
3544 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3610 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3545 $NEXT_RUNTIME_WRITE = $NOW + 10; 3611 $NEXT_RUNTIME_WRITE = $NOW + 10;
3546 Coro::async_pool { 3612 Coro::async_pool {
3547 $Coro::current->{desc} = "runtime saver"; 3613 $Coro::current->{desc} = "runtime saver";
3548 write_runtime 3614 write_runtime
3549 or warn "ERROR: unable to write runtime file: $!"; 3615 or warn "ERROR: unable to write runtime file: $!";
3550 };
3551 } 3616 };
3617 }
3552 3618
3553 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3619 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3554 $sig->send; 3620 $sig->send;
3555 } 3621 }
3556 while (my $sig = shift @WAIT_FOR_TICK) { 3622 while (my $sig = shift @WAIT_FOR_TICK) {
3557 $sig->send; 3623 $sig->send;
3558 } 3624 }
3559 3625
3560 $NOW = Event::time;
3561
3562 # if we are delayed by four ticks or more, skip them all
3563 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3564
3565 $TICK_WATCHER->at ($NEXT_TICK);
3566 $TICK_WATCHER->start;
3567
3568 $LOAD = ($NOW - $tick_start) / $TICK; 3626 $LOAD = ($NOW - $tick_start) / $TICK;
3569 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3627 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3570 3628
3571 _post_tick; 3629 _post_tick;
3572 }, 3630};
3573); 3631$TICK_WATCHER->priority (EV::MAXPRI);
3574 3632
3575{ 3633{
3576 BDB::min_parallel 8; 3634 BDB::min_parallel 8;
3577 BDB::max_poll_time $TICK * 0.1; 3635 BDB::max_poll_time $TICK * 0.1;
3578 $BDB_POLL_WATCHER = Event->io ( 3636 $BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
3579 reentrant => 0,
3580 fd => BDB::poll_fileno,
3581 poll => 'r',
3582 prio => 0,
3583 data => WF_AUTOCANCEL,
3584 cb => \&BDB::poll_cb,
3585 );
3586 3637
3587 BDB::set_sync_prepare { 3638 BDB::set_sync_prepare {
3588 my $status; 3639 my $status;
3589 my $current = $Coro::current; 3640 my $current = $Coro::current;
3590 ( 3641 (
… …
3620 3671
3621 cf::cleanup "db_env_open(db): $@" if $@; 3672 cf::cleanup "db_env_open(db): $@" if $@;
3622 }; 3673 };
3623 } 3674 }
3624 3675
3625 $BDB_DEADLOCK_WATCHER = Event->timer ( 3676 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3626 after => 3,
3627 interval => 1,
3628 hard => 1,
3629 prio => 0,
3630 data => WF_AUTOCANCEL,
3631 cb => sub {
3632 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3677 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3633 },
3634 ); 3678 };
3635 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3679 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3636 after => 11,
3637 interval => 60,
3638 hard => 1,
3639 prio => 0,
3640 data => WF_AUTOCANCEL,
3641 cb => sub {
3642 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3680 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3643 },
3644 ); 3681 };
3645 $BDB_TRICKLE_WATCHER = Event->timer ( 3682 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3646 after => 5,
3647 interval => 10,
3648 hard => 1,
3649 prio => 0,
3650 data => WF_AUTOCANCEL,
3651 cb => sub {
3652 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3683 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3653 },
3654 ); 3684 };
3655} 3685}
3656 3686
3657{ 3687{
3658 IO::AIO::min_parallel 8; 3688 IO::AIO::min_parallel 8;
3659 3689
3660 undef $Coro::AIO::WATCHER; 3690 undef $Coro::AIO::WATCHER;
3661 IO::AIO::max_poll_time $TICK * 0.1; 3691 IO::AIO::max_poll_time $TICK * 0.1;
3662 $AIO_POLL_WATCHER = Event->io ( 3692 $AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
3663 reentrant => 0,
3664 data => WF_AUTOCANCEL,
3665 fd => IO::AIO::poll_fileno,
3666 poll => 'r',
3667 prio => 0,
3668 cb => \&IO::AIO::poll_cb,
3669 );
3670} 3693}
3671 3694
3672my $_log_backtrace; 3695my $_log_backtrace;
3673 3696
3674sub _log_backtrace { 3697sub _log_backtrace {

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