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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.501 by root, Sat Jan 16 23:27:21 2010 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 2010 UTC

1# 1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG. 2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3# 3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5# 5#
6# Deliantra is free software: you can redistribute it and/or modify it under 6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the 7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your 8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version. 9# option) any later version.
20# The authors can be reached via e-mail to <support@deliantra.net> 20# The authors can be reached via e-mail to <support@deliantra.net>
21# 21#
22 22
23package cf; 23package cf;
24 24
25use 5.10.0; 25use common::sense;
26use utf8;
27use strict qw(vars subs);
28 26
29use Symbol; 27use Symbol;
30use List::Util; 28use List::Util;
31use Socket; 29use Socket;
32use EV; 30use EV;
78# strictly for debugging 76# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" }; 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
80 78
81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
82 80
81our @ORIG_INC;
82
83our %COMMAND = (); 83our %COMMAND = ();
84our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
85 85
86our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
87our %EXTCMD = (); 87our %EXTCMD = ();
106our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid"; 108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime"; 109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110 110
111our %RESOURCE; 111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
112 118
113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
115our $NEXT_TICK; 121our $NEXT_TICK;
116our $USE_FSYNC = 1; # use fsync to write maps - default on 122our $USE_FSYNC = 1; # use fsync to write maps - default on
118our $BDB_DEADLOCK_WATCHER; 124our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER; 125our $BDB_CHECKPOINT_WATCHER;
120our $BDB_TRICKLE_WATCHER; 126our $BDB_TRICKLE_WATCHER;
121our $DB_ENV; 127our $DB_ENV;
122 128
123our @EXTRA_MODULES = qw(pod match mapscript); 129our @EXTRA_MODULES = qw(pod match mapscript incloader);
124 130
125our %CFG; 131our %CFG;
126 132
127our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
128our $RUNTIME; 134our $RUNTIME;
162 168
163our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
164 170
165sub cf::map::normalise; 171sub cf::map::normalise;
166 172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
167############################################################################# 177#############################################################################
168 178
169%REFLECT = (); 179%REFLECT = ();
170for (@REFLECT) { 180for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_; 181 my $reflect = JSON::XS::decode_json $_;
223from wherever your confdir points to. 233from wherever your confdir points to.
224 234
225=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
226 236
227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
228returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
229per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
230 245
231=item @cf::INVOKE_RESULTS 246=item @cf::INVOKE_RESULTS
232 247
233This array contains the results of the last C<invoke ()> call. When 248This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
242 257
243=back 258=back
244 259
245=cut 260=cut
246 261
262sub error(@) { LOG llevError, join "", @_ }
263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
247$Coro::State::WARNHOOK = sub { 268$Coro::State::WARNHOOK = sub {
248 my $msg = join "", @_; 269 my $msg = join "", @_;
249 270
250 $msg .= "\n" 271 $msg .= "\n"
251 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
252 273
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254 275
255 LOG llevError, $msg; 276 LOG llevWarn, $msg;
256}; 277};
257 278
258$Coro::State::DIEHOOK = sub { 279$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "==" 280 return unless $^S eq 0; # "eq", not "=="
260 281
261 warn Carp::longmess $_[0]; 282 error Carp::longmess $_[0];
262 283
263 if ($Coro::current == $Coro::main) {#d# 284 if (in_main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d# 285 error "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d# 286 return;#d#
266 }#d# 287 }#d#
267 288
268 # kill coroutine otherwise 289 # kill coroutine otherwise
269 Coro::terminate 290 Coro::terminate
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337 358
338sub encode_json($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) } 360sub decode_json($) { $json_coder->decode ($_[0]) }
340 361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
341=item cf::post_init { BLOCK } 374=item cf::post_init { BLOCK }
342 375
343Execute the given codeblock, I<after> all extensions have been (re-)loaded, 376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again. 377but I<before> the server starts ticking again.
345 378
346The cdoeblock will have a single boolean argument to indicate whether this 379The codeblock will have a single boolean argument to indicate whether this
347is a reload or not. 380is a reload or not.
348 381
349=cut 382=cut
350 383
351sub post_init(&) { 384sub post_init(&) {
396} 429}
397 430
398=item cf::periodic $interval, $cb 431=item cf::periodic $interval, $cb
399 432
400Like EV::periodic, but randomly selects a starting point so that the actions 433Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer. 434get spread over time.
402 435
403=cut 436=cut
404 437
405sub periodic($$) { 438sub periodic($$) {
406 my ($interval, $cb) = @_; 439 my ($interval, $cb) = @_;
423 456
424=cut 457=cut
425 458
426our @SLOT_QUEUE; 459our @SLOT_QUEUE;
427our $SLOT_QUEUE; 460our $SLOT_QUEUE;
461our $SLOT_DECAY = 0.9;
428 462
429$SLOT_QUEUE->cancel if $SLOT_QUEUE; 463$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async { 464$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager"); 465 $Coro::current->desc ("timeslot manager");
432 466
433 my $signal = new Coro::Signal; 467 my $signal = new Coro::Signal;
468 my $busy;
434 469
435 while () { 470 while () {
436 next_job: 471 next_job:
472
437 my $avail = cf::till_tick; 473 my $avail = cf::till_tick;
438 if ($avail > 0.01) { 474
439 for (0 .. $#SLOT_QUEUE) { 475 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) { 476 if ($SLOT_QUEUE[$_][0] <= $avail) {
477 $busy = 0;
441 my $job = splice @SLOT_QUEUE, $_, 1, (); 478 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send; 479 $job->[2]->send;
443 Coro::cede; 480 Coro::cede;
444 goto next_job; 481 goto next_job;
445 } 482 } else {
483 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
446 } 484 }
447 } 485 }
448 486
449 if (@SLOT_QUEUE) { 487 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive 488 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal; 489 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait; 490 $signal->wait;
453 } else { 491 } else {
492 $busy = 0;
454 Coro::schedule; 493 Coro::schedule;
455 } 494 }
456 } 495 }
457}; 496};
458 497
459sub get_slot($;$$) { 498sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main; 499 return if tick_inhibit || $Coro::current == $Coro::main;
461 500
462 my ($time, $pri, $name) = @_; 501 my ($time, $pri, $name) = @_;
463 502
464 $time = $TICK * .6 if $time > $TICK * .6; 503 $time = clamp $time, 0.01, $TICK * .6;
504
465 my $sig = new Coro::Signal; 505 my $sig = new Coro::Signal;
466 506
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 507 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 508 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready; 509 $SLOT_QUEUE->ready;
495=cut 535=cut
496 536
497sub sync_job(&) { 537sub sync_job(&) {
498 my ($job) = @_; 538 my ($job) = @_;
499 539
500 if ($Coro::current == $Coro::main) { 540 if (in_main) {
501 my $time = EV::time; 541 my $time = AE::time;
502 542
503 # this is the main coro, too bad, we have to block 543 # this is the main coro, too bad, we have to block
504 # till the operation succeeds, freezing the server :/ 544 # till the operation succeeds, freezing the server :/
505 545
506 LOG llevError, Carp::longmess "sync job";#d# 546 #LOG llevError, Carp::longmess "sync job";#d#
507 547
508 my $freeze_guard = freeze_mainloop; 548 my $freeze_guard = freeze_mainloop;
509 549
510 my $busy = 1; 550 my $busy = 1;
511 my @res; 551 my @res;
512 552
513 (async { 553 (async {
514 $Coro::current->desc ("sync job coro"); 554 $Coro::current->desc ("sync job coro");
515 @res = eval { $job->() }; 555 @res = eval { $job->() };
516 warn $@ if $@; 556 error $@ if $@;
517 undef $busy; 557 undef $busy;
518 })->prio (Coro::PRIO_MAX); 558 })->prio (Coro::PRIO_MAX);
519 559
520 while ($busy) { 560 while ($busy) {
521 if (Coro::nready) { 561 if (Coro::nready) {
523 } else { 563 } else {
524 EV::loop EV::LOOP_ONESHOT; 564 EV::loop EV::LOOP_ONESHOT;
525 } 565 }
526 } 566 }
527 567
528 my $time = EV::time - $time; 568 my $time = AE::time - $time;
529 569
530 $TICK_START += $time; # do not account sync jobs to server load 570 $TICK_START += $time; # do not account sync jobs to server load
531 571
532 wantarray ? @res : $res[0] 572 wantarray ? @res : $res[0]
533 } else { 573 } else {
555 $EXT_CORO{$coro+0} = $coro; 595 $EXT_CORO{$coro+0} = $coro;
556 596
557 $coro 597 $coro
558} 598}
559 599
560=item fork_call { }, $args 600=item fork_call { }, @args
561 601
562Executes the given code block with the given arguments in a seperate 602Executes the given code block with the given arguments in a seperate
563process, returning the results. Everything must be serialisable with 603process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may 604Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling. 605never block itself or use any form of event handling.
566 606
567=cut 607=cut
568 608
609sub post_fork {
610 reset_signals;
611}
612
569sub fork_call(&@) { 613sub fork_call(&@) {
570 my ($cb, @args) = @_; 614 my ($cb, @args) = @_;
571 615
572 # we seemingly have to make a local copy of the whole thing, 616 # we seemingly have to make a local copy of the whole thing,
573 # otherwise perl prematurely frees the stuff :/ 617 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious) 618 # TODO: investigate and fix (likely this will be rather laborious)
575 619
576 my @res = Coro::Util::fork_eval { 620 my @res = Coro::Util::fork_eval {
577 reset_signals; 621 cf::post_fork;
578 &$cb 622 &$cb
579 }, @args; 623 } @args;
580 624
581 wantarray ? @res : $res[-1] 625 wantarray ? @res : $res[-1]
626}
627
628sub objinfo {
629 (
630 "counter value" => cf::object::object_count,
631 "objects created" => cf::object::create_count,
632 "objects destroyed" => cf::object::destroy_count,
633 "freelist size" => cf::object::free_count,
634 "allocated objects" => cf::object::objects_size,
635 "active objects" => cf::object::actives_size,
636 )
582} 637}
583 638
584=item $coin = coin_from_name $name 639=item $coin = coin_from_name $name
585 640
586=cut 641=cut
623within each server. 678within each server.
624 679
625=cut 680=cut
626 681
627sub db_table($) { 682sub db_table($) {
683 cf::error "db_get called from main context"
684 if $Coro::current == $Coro::main;
685
628 my ($name) = @_; 686 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV; 687 my $db = BDB::db_create $DB_ENV;
630 688
631 eval { 689 eval {
632 $db->set_flags (BDB::CHKSUM); 690 $db->set_flags (BDB::CHKSUM);
642} 700}
643 701
644our $DB; 702our $DB;
645 703
646sub db_init { 704sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db"; 705 $DB ||= db_table "db";
649 };
650} 706}
651 707
652sub db_get($$) { 708sub db_get($$) {
653 my $key = "$_[0]/$_[1]"; 709 my $key = "$_[0]/$_[1]";
654 710
655 cf::sync_job { 711 cf::error "db_get called from main context"
712 if $Coro::current == $Coro::main;
713
656 BDB::db_get $DB, undef, $key, my $data; 714 BDB::db_get $DB, undef, $key, my $data;
657 715
658 $! ? () 716 $! ? ()
659 : $data 717 : $data
660 }
661} 718}
662 719
663sub db_put($$$) { 720sub db_put($$$) {
664 BDB::dbreq_pri 4; 721 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 722 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
721 778
722 my $t1 = Time::HiRes::time; 779 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data); 780 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time; 781 my $t2 = Time::HiRes::time;
725 782
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 783 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
727 784
728 db_put cache => "$id/data", $data; 785 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5; 786 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta; 787 db_put cache => "$id/meta", $meta;
731 788
741 798
742=cut 799=cut
743 800
744sub datalog($@) { 801sub datalog($@) {
745 my ($type, %kv) = @_; 802 my ($type, %kv) = @_;
746 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 803 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
747} 804}
748 805
749=back 806=back
750 807
751=cut 808=cut
946 1003
947 } elsif (exists $cb_id{$type}) { 1004 } elsif (exists $cb_id{$type}) {
948 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1005 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
949 1006
950 } elsif (ref $type) { 1007 } elsif (ref $type) {
951 warn "attaching objects not supported, ignoring.\n"; 1008 error "attaching objects not supported, ignoring.\n";
952 1009
953 } else { 1010 } else {
954 shift @arg; 1011 shift @arg;
955 warn "attach argument '$type' not supported, ignoring.\n"; 1012 error "attach argument '$type' not supported, ignoring.\n";
956 } 1013 }
957 } 1014 }
958} 1015}
959 1016
960sub _object_attach { 1017sub _object_attach {
970 _attach $registry, $klass, @attach; 1027 _attach $registry, $klass, @attach;
971 } 1028 }
972 1029
973 $obj->{$name} = \%arg; 1030 $obj->{$name} = \%arg;
974 } else { 1031 } else {
975 warn "object uses attachment '$name' which is not available, postponing.\n"; 1032 info "object uses attachment '$name' which is not available, postponing.\n";
976 } 1033 }
977 1034
978 $obj->{_attachment}{$name} = undef; 1035 $obj->{_attachment}{$name} = undef;
979} 1036}
980 1037
1039 1096
1040 for (@$callbacks) { 1097 for (@$callbacks) {
1041 eval { &{$_->[1]} }; 1098 eval { &{$_->[1]} };
1042 1099
1043 if ($@) { 1100 if ($@) {
1044 warn "$@";
1045 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1101 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1046 override; 1102 override;
1047 } 1103 }
1048 1104
1049 return 1 if $override; 1105 return 1 if $override;
1050 } 1106 }
1129 for (@$attach) { 1185 for (@$attach) {
1130 my ($klass, @attach) = @$_; 1186 my ($klass, @attach) = @$_;
1131 _attach $registry, $klass, @attach; 1187 _attach $registry, $klass, @attach;
1132 } 1188 }
1133 } else { 1189 } else {
1134 warn "object uses attachment '$name' that is not available, postponing.\n"; 1190 info "object uses attachment '$name' that is not available, postponing.\n";
1135 } 1191 }
1136 } 1192 }
1137} 1193}
1138 1194
1139cf::attachable->attach ( 1195cf::attachable->attach (
1166 my ($filename, $rdata, $objs) = @_; 1222 my ($filename, $rdata, $objs) = @_;
1167 1223
1168 sync_job { 1224 sync_job {
1169 if (length $$rdata) { 1225 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename); 1226 utf8::decode (my $decname = $filename);
1171 warn sprintf "saving %s (%d,%d)\n", 1227 trace sprintf "saving %s (%d,%d)\n",
1172 $decname, length $$rdata, scalar @$objs; 1228 $decname, length $$rdata, scalar @$objs
1229 if $VERBOSE_IO;
1173 1230
1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1231 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1175 aio_chmod $fh, SAVE_MODE; 1232 aio_chmod $fh, SAVE_MODE;
1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1233 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1177 if ($cf::USE_FSYNC) { 1234 if ($cf::USE_FSYNC) {
1199 aio_rename "$filename~", $filename; 1256 aio_rename "$filename~", $filename;
1200 1257
1201 $filename =~ s%/[^/]+$%%; 1258 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC; 1259 aio_pathsync $filename if $cf::USE_FSYNC;
1203 } else { 1260 } else {
1204 warn "unable to save objects: $filename~: $!\n"; 1261 error "unable to save objects: $filename~: $!\n";
1205 } 1262 }
1206 } else { 1263 } else {
1207 aio_unlink $filename; 1264 aio_unlink $filename;
1208 aio_unlink "$filename.pst"; 1265 aio_unlink "$filename.pst";
1209 } 1266 }
1233 my $st = eval { Coro::Storable::thaw $av }; 1290 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs}; 1291 $av = $st->{objs};
1235 } 1292 }
1236 1293
1237 utf8::decode (my $decname = $filename); 1294 utf8::decode (my $decname = $filename);
1238 warn sprintf "loading %s (%d,%d)\n", 1295 trace sprintf "loading %s (%d,%d)\n",
1239 $decname, length $data, scalar @{$av || []}; 1296 $decname, length $data, scalar @{$av || []}
1297 if $VERBOSE_IO;
1240 1298
1241 ($data, $av) 1299 ($data, $av)
1242} 1300}
1243 1301
1244=head2 COMMAND CALLBACKS 1302=head2 COMMAND CALLBACKS
1303} 1361}
1304 1362
1305use File::Glob (); 1363use File::Glob ();
1306 1364
1307cf::player->attach ( 1365cf::player->attach (
1308 on_command => sub { 1366 on_unknown_command => sub {
1309 my ($pl, $name, $params) = @_; 1367 my ($pl, $name, $params) = @_;
1310 1368
1311 my $cb = $COMMAND{$name} 1369 my $cb = $COMMAND{$name}
1312 or return; 1370 or return;
1313 1371
1336 1394
1337 $pl->ext_reply ($reply, @reply) 1395 $pl->ext_reply ($reply, @reply)
1338 if $reply; 1396 if $reply;
1339 1397
1340 } else { 1398 } else {
1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1399 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1342 } 1400 }
1343 1401
1344 cf::override; 1402 cf::override;
1345 }, 1403 },
1346); 1404);
1357 1415
1358 $grp 1416 $grp
1359} 1417}
1360 1418
1361sub load_extensions { 1419sub load_extensions {
1420 info "loading extensions...";
1421
1362 cf::sync_job { 1422 cf::sync_job {
1363 my %todo; 1423 my %todo;
1364 1424
1365 for my $path (<$LIBDIR/*.ext>) { 1425 for my $path (<$LIBDIR/*.ext>) {
1366 next unless -r $path; 1426 next unless -r $path;
1384 1444
1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1445 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1446 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1387 1447
1388 $ext{source} = 1448 $ext{source} =
1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n" 1449 "package $pkg; use common::sense;\n"
1390 . "#line 1 \"$path\"\n{\n" 1450 . "#line 1 \"$path\"\n{\n"
1391 . $source 1451 . $source
1392 . "\n};\n1"; 1452 . "\n};\n1";
1393 1453
1394 $todo{$base} = \%ext; 1454 $todo{$base} = \%ext;
1395 } 1455 }
1396 1456
1457 my $pass = 0;
1397 my %done; 1458 my %done;
1398 while (%todo) { 1459 while (%todo) {
1399 my $progress; 1460 my $progress;
1400 1461
1462 ++$pass;
1463
1464 ext:
1401 while (my ($k, $v) = each %todo) { 1465 while (my ($k, $v) = each %todo) {
1402 for (split /,\s*/, $v->{meta}{depends}) { 1466 for (split /,\s*/, $v->{meta}{depends}) {
1403 goto skip 1467 next ext
1404 unless exists $done{$_}; 1468 unless exists $done{$_};
1405 } 1469 }
1406 1470
1407 warn "... loading '$k' into '$v->{pkg}'\n"; 1471 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1408 1472
1409 unless (eval $v->{source}) { 1473 my $active = eval $v->{source};
1474
1475 if (length $@) {
1410 my $msg = $@ ? "$v->{path}: $@\n" 1476 error "$v->{path}: $@\n";
1411 : "$v->{base}: extension inactive.\n";
1412 1477
1413 if (exists $v->{meta}{mandatory}) {
1414 warn $msg;
1415 cf::cleanup "mandatory extension failed to load, exiting."; 1478 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1416 } 1479 if exists $v->{meta}{mandatory};
1417 1480
1418 warn $msg; 1481 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1482 delete $todo{$k};
1483 } else {
1484 $done{$k} = delete $todo{$k};
1485 push @EXTS, $v->{pkg};
1486 $progress = 1;
1487
1488 info "$v->{base}: extension inactive.\n"
1489 unless $active;
1419 } 1490 }
1420
1421 $done{$k} = delete $todo{$k};
1422 push @EXTS, $v->{pkg};
1423 $progress = 1;
1424 } 1491 }
1425 1492
1426 skip: 1493 unless ($progress) {
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1494 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1428 unless $progress; 1495
1496 while (my ($k, $v) = each %todo) {
1497 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1498 if exists $v->{meta}{mandatory};
1499 }
1500 }
1429 } 1501 }
1430 }; 1502 };
1431} 1503}
1432 1504
1433############################################################################# 1505#############################################################################
1517 $cf::PLAYER{$login} = $pl 1589 $cf::PLAYER{$login} = $pl
1518 } 1590 }
1519 } 1591 }
1520} 1592}
1521 1593
1594cf::player->attach (
1595 on_load => sub {
1596 my ($pl, $path) = @_;
1597
1598 # restore slots saved in save, below
1599 my $slots = delete $pl->{_slots};
1600
1601 $pl->ob->current_weapon ($slots->[0]);
1602 $pl->combat_ob ($slots->[1]);
1603 $pl->ranged_ob ($slots->[2]);
1604 },
1605);
1606
1522sub save($) { 1607sub save($) {
1523 my ($pl) = @_; 1608 my ($pl) = @_;
1524 1609
1525 return if $pl->{deny_save}; 1610 return if $pl->{deny_save};
1526 1611
1531 1616
1532 aio_mkdir playerdir $pl, 0770; 1617 aio_mkdir playerdir $pl, 0770;
1533 $pl->{last_save} = $cf::RUNTIME; 1618 $pl->{last_save} = $cf::RUNTIME;
1534 1619
1535 cf::get_slot 0.01; 1620 cf::get_slot 0.01;
1621
1622 # save slots, to be restored later
1623 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1536 1624
1537 $pl->save_pl ($path); 1625 $pl->save_pl ($path);
1538 cf::cede_to_tick; 1626 cf::cede_to_tick;
1539} 1627}
1540 1628
1576 $pl->{deny_save} = 1; 1664 $pl->{deny_save} = 1;
1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir 1665 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1578 1666
1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1667 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1580 $pl->deactivate; 1668 $pl->deactivate;
1669
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1670 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score; 1671 ext::highscore::check ($pl->ob);
1672
1583 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1673 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1584 $pl->ns->destroy if $pl->ns; 1674 $pl->ns->destroy if $pl->ns;
1585 1675
1586 my $path = playerdir $pl; 1676 my $path = playerdir $pl;
1587 my $temp = "$path~$cf::RUNTIME~deleting~"; 1677 my $temp = "$path~$cf::RUNTIME~deleting~";
1642 \@logins 1732 \@logins
1643} 1733}
1644 1734
1645=item $player->maps 1735=item $player->maps
1646 1736
1737=item cf::player::maps $login
1738
1647Returns an arrayref of map paths that are private for this 1739Returns an arrayref of map paths that are private for this
1648player. May block. 1740player. May block.
1649 1741
1650=cut 1742=cut
1651 1743
1713=cut 1805=cut
1714 1806
1715sub find_by_path($) { 1807sub find_by_path($) {
1716 my ($path) = @_; 1808 my ($path) = @_;
1717 1809
1810 $path =~ s/^~[^\/]*//; # skip ~login
1811
1718 my ($match, $specificity); 1812 my ($match, $specificity);
1719 1813
1720 for my $region (list) { 1814 for my $region (list) {
1721 if ($region->{match} && $path =~ $region->{match}) { 1815 if ($region->{match} && $path =~ $region->{match}) {
1722 ($match, $specificity) = ($region, $region->specificity) 1816 ($match, $specificity) = ($region, $region->specificity)
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM 1847 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754 1848
1755 # mit "rum" bekleckern, nicht 1849 # mit "rum" bekleckern, nicht
1756 $self->_create_random_map ( 1850 $self->_create_random_map (
1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1851 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1852 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1853 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1760 $rmp->{exit_on_final_map}, 1854 $rmp->{exit_on_final_map},
1761 $rmp->{xsize}, $rmp->{ysize}, 1855 $rmp->{xsize}, $rmp->{ysize},
1762 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1856 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1763 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1857 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1778 1872
1779sub register { 1873sub register {
1780 my (undef, $regex, $prio) = @_; 1874 my (undef, $regex, $prio) = @_;
1781 my $pkg = caller; 1875 my $pkg = caller;
1782 1876
1783 no strict;
1784 push @{"$pkg\::ISA"}, __PACKAGE__; 1877 push @{"$pkg\::ISA"}, __PACKAGE__;
1785 1878
1786 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1879 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1787} 1880}
1788 1881
1789# also paths starting with '/' 1882# also paths starting with '/'
1790$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1883$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1791 1884
1792sub thawer_merge { 1885sub thawer_merge {
1793 my ($self, $merge) = @_; 1886 my ($self, $merge) = @_;
1794 1887
1795 # we have to keep some variables in memory intact 1888 # we have to keep some variables in memory intact
1800} 1893}
1801 1894
1802sub normalise { 1895sub normalise {
1803 my ($path, $base) = @_; 1896 my ($path, $base) = @_;
1804 1897
1805 $path = "$path"; # make sure its a string 1898 $path = "$path"; # make sure it's a string
1806 1899
1807 $path =~ s/\.map$//; 1900 $path =~ s/\.map$//;
1808 1901
1809 # map plan: 1902 # map plan:
1810 # 1903 #
1849 $self->init; # pass $1 etc. 1942 $self->init; # pass $1 etc.
1850 return $self; 1943 return $self;
1851 } 1944 }
1852 } 1945 }
1853 1946
1854 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1947 Carp::cluck "unable to resolve path '$path' (base '$base')";
1855 () 1948 ()
1856} 1949}
1857 1950
1858sub init { 1951sub init {
1859 my ($self) = @_; 1952 my ($self) = @_;
1981} 2074}
1982 2075
1983sub find; 2076sub find;
1984sub find { 2077sub find {
1985 my ($path, $origin) = @_; 2078 my ($path, $origin) = @_;
2079
2080 cf::cede_to_tick;
1986 2081
1987 $path = normalise $path, $origin && $origin->path; 2082 $path = normalise $path, $origin && $origin->path;
1988 2083
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove 2084 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1990 my $guard2 = cf::lock_acquire "map_find:$path"; 2085 my $guard2 = cf::lock_acquire "map_find:$path";
2077 } 2172 }
2078 2173
2079 $self->post_load; 2174 $self->post_load;
2080} 2175}
2081 2176
2177# customize the map for a given player, i.e.
2178# return the _real_ map. used by e.g. per-player
2179# maps to change the path to ~playername/mappath
2082sub customise_for { 2180sub customise_for {
2083 my ($self, $ob) = @_; 2181 my ($self, $ob) = @_;
2084 2182
2085 return find "~" . $ob->name . "/" . $self->{path} 2183 return find "~" . $ob->name . "/" . $self->{path}
2086 if $self->per_player; 2184 if $self->per_player;
2102 or next; 2200 or next;
2103 $neigh = find $neigh, $map 2201 $neigh = find $neigh, $map
2104 or next; 2202 or next;
2105 $neigh->load; 2203 $neigh->load;
2106 2204
2205 # now find the diagonal neighbours
2107 push @neigh, 2206 push @neigh,
2108 [$neigh->tile_path (($_ + 3) % 4), $neigh], 2207 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2109 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2208 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2110 } 2209 }
2111 2210
2118} 2217}
2119 2218
2120sub find_sync { 2219sub find_sync {
2121 my ($path, $origin) = @_; 2220 my ($path, $origin) = @_;
2122 2221
2123 cf::sync_job { find $path, $origin } 2222 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2223 if $Coro::current == $Coro::main;
2224
2225 find $path, $origin
2124} 2226}
2125 2227
2126sub do_load_sync { 2228sub do_load_sync {
2127 my ($map) = @_; 2229 my ($map) = @_;
2128 2230
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync" 2231 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main; 2232 if $Coro::current == $Coro::main;
2131 2233
2132 cf::sync_job { $map->load }; 2234 $map->load;
2133} 2235}
2134 2236
2135our %MAP_PREFETCH; 2237our %MAP_PREFETCH;
2136our $MAP_PREFETCHER = undef; 2238our $MAP_PREFETCHER = undef;
2137 2239
2163 $MAP_PREFETCHER->prio (6); 2265 $MAP_PREFETCHER->prio (6);
2164 2266
2165 () 2267 ()
2166} 2268}
2167 2269
2270# common code, used by both ->save and ->swapout
2168sub save { 2271sub _save {
2169 my ($self) = @_; 2272 my ($self) = @_;
2170
2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
2172 2273
2173 $self->{last_save} = $cf::RUNTIME; 2274 $self->{last_save} = $cf::RUNTIME;
2174 2275
2175 return unless $self->dirty; 2276 return unless $self->dirty;
2176 2277
2196 } else { 2297 } else {
2197 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2298 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2198 } 2299 }
2199} 2300}
2200 2301
2302sub save {
2303 my ($self) = @_;
2304
2305 my $lock = cf::lock_acquire "map_data:$self->{path}";
2306
2307 $self->_save;
2308}
2309
2201sub swap_out { 2310sub swap_out {
2202 my ($self) = @_; 2311 my ($self) = @_;
2203 2312
2204 # save first because save cedes
2205 $self->save;
2206
2207 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2313 my $lock = cf::lock_acquire "map_data:$self->{path}";
2208 2314
2209 return if $self->players;
2210 return if $self->in_memory != cf::MAP_ACTIVE; 2315 return if $self->in_memory != cf::MAP_ACTIVE;
2211 return if $self->{deny_save}; 2316 return if $self->{deny_save};
2317 return if $self->players;
2212 2318
2319 # first deactivate the map and "unlink" it from the core
2320 $self->deactivate;
2321 $_->clear_links_to ($self) for values %cf::MAP;
2213 $self->in_memory (cf::MAP_SWAPPED); 2322 $self->in_memory (cf::MAP_SWAPPED);
2323
2324 # then atomically save
2325 $self->_save;
2326
2327 # then free the map
2328 $self->clear;
2329}
2330
2331sub reset_at {
2332 my ($self) = @_;
2333
2334 # TODO: safety, remove and allow resettable per-player maps
2335 return 1e99 if $self->{deny_reset};
2336
2337 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2338 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2339
2340 $time + $to
2341}
2342
2343sub should_reset {
2344 my ($self) = @_;
2345
2346 $self->reset_at <= $cf::RUNTIME
2347}
2348
2349sub reset {
2350 my ($self) = @_;
2351
2352 my $lock = cf::lock_acquire "map_data:$self->{path}";
2353
2354 return if $self->players;
2355
2356 cf::trace "resetting map ", $self->path, "\n";
2357
2358 $self->in_memory (cf::MAP_SWAPPED);
2359
2360 # need to save uniques path
2361 unless ($self->{deny_save}) {
2362 my $uniq = $self->uniq_path; utf8::encode $uniq;
2363
2364 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2365 if $uniq;
2366 }
2367
2368 delete $cf::MAP{$self->path};
2214 2369
2215 $self->deactivate; 2370 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP; 2371 $_->clear_links_to ($self) for values %cf::MAP;
2217 $self->clear; 2372 $self->clear;
2218}
2219
2220sub reset_at {
2221 my ($self) = @_;
2222
2223 # TODO: safety, remove and allow resettable per-player maps
2224 return 1e99 if $self->{deny_reset};
2225
2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2228
2229 $time + $to
2230}
2231
2232sub should_reset {
2233 my ($self) = @_;
2234
2235 $self->reset_at <= $cf::RUNTIME
2236}
2237
2238sub reset {
2239 my ($self) = @_;
2240
2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2242
2243 return if $self->players;
2244
2245 warn "resetting map ", $self->path, "\n";
2246
2247 $self->in_memory (cf::MAP_SWAPPED);
2248
2249 # need to save uniques path
2250 unless ($self->{deny_save}) {
2251 my $uniq = $self->uniq_path; utf8::encode $uniq;
2252
2253 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2254 if $uniq;
2255 }
2256
2257 delete $cf::MAP{$self->path};
2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
2261 $self->clear;
2262 2373
2263 $self->unlink_save; 2374 $self->unlink_save;
2264 $self->destroy; 2375 $self->destroy;
2265} 2376}
2266 2377
2274 2385
2275 delete $cf::MAP{$self->path}; 2386 delete $cf::MAP{$self->path};
2276 2387
2277 $self->unlink_save; 2388 $self->unlink_save;
2278 2389
2279 bless $self, "cf::map"; 2390 bless $self, "cf::map::wrap";
2280 delete $self->{deny_reset}; 2391 delete $self->{deny_reset};
2281 $self->{deny_save} = 1; 2392 $self->{deny_save} = 1;
2282 $self->reset_timeout (1); 2393 $self->reset_timeout (1);
2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2394 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2284 2395
2514 2625
2515Freezes the player and moves him/her to a special map (C<{link}>). 2626Freezes the player and moves him/her to a special map (C<{link}>).
2516 2627
2517The player should be reasonably safe there for short amounts of time (e.g. 2628The player should be reasonably safe there for short amounts of time (e.g.
2518for loading a map). You I<MUST> call C<leave_link> as soon as possible, 2629for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2519though, as the palyer cannot control the character while it is on the link 2630though, as the player cannot control the character while it is on the link
2520map. 2631map.
2521 2632
2522Will never block. 2633Will never block.
2523 2634
2524=item $player_object->leave_link ($map, $x, $y) 2635=item $player_object->leave_link ($map, $x, $y)
2545sub cf::object::player::enter_link { 2656sub cf::object::player::enter_link {
2546 my ($self) = @_; 2657 my ($self) = @_;
2547 2658
2548 $self->deactivate_recursive; 2659 $self->deactivate_recursive;
2549 2660
2661 ++$self->{_link_recursion};
2662
2550 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2663 return if UNIVERSAL::isa $self->map, "ext::map_link";
2551 2664
2552 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2665 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2553 if $self->map && $self->map->{path} ne "{link}"; 2666 if $self->map && $self->map->{path} ne "{link}";
2554 2667
2555 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2668 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2556} 2669}
2557 2670
2558sub cf::object::player::leave_link { 2671sub cf::object::player::leave_link {
2559 my ($self, $map, $x, $y) = @_; 2672 my ($self, $map, $x, $y) = @_;
2560 2673
2585 $map->load_neighbours; 2698 $map->load_neighbours;
2586 2699
2587 return unless $self->contr->active; 2700 return unless $self->contr->active;
2588 2701
2589 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2702 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2590 $self->enter_map ($map, $x, $y); 2703 if ($self->enter_map ($map, $x, $y)) {
2591 2704 # entering was successful
2705 delete $self->{_link_recursion};
2592 # only activate afterwards, to support waiting in hooks 2706 # only activate afterwards, to support waiting in hooks
2593 $self->activate_recursive; 2707 $self->activate_recursive;
2594} 2708 }
2595 2709
2710}
2711
2596=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2712=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2597 2713
2598Moves the player to the given map-path and coordinates by first freezing 2714Moves the player to the given map-path and coordinates by first freezing
2599her, loading and preparing them map, calling the provided $check callback 2715her, loading and preparing them map, calling the provided $check callback
2600that has to return the map if sucecssful, and then unfreezes the player on 2716that has to return the map if sucecssful, and then unfreezes the player on
2601the new (success) or old (failed) map position. In either case, $done will 2717the new (success) or old (failed) map position. In either case, $done will
2608 2724
2609our $GOTOGEN; 2725our $GOTOGEN;
2610 2726
2611sub cf::object::player::goto { 2727sub cf::object::player::goto {
2612 my ($self, $path, $x, $y, $check, $done) = @_; 2728 my ($self, $path, $x, $y, $check, $done) = @_;
2729
2730 if ($self->{_link_recursion} >= $MAX_LINKS) {
2731 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2732 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2733 ($path, $x, $y) = @$EMERGENCY_POSITION;
2734 }
2613 2735
2614 # do generation counting so two concurrent goto's will be executed in-order 2736 # do generation counting so two concurrent goto's will be executed in-order
2615 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2737 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2616 2738
2617 $self->enter_link; 2739 $self->enter_link;
2641 my $map = eval { 2763 my $map = eval {
2642 my $map = defined $path ? cf::map::find $path : undef; 2764 my $map = defined $path ? cf::map::find $path : undef;
2643 2765
2644 if ($map) { 2766 if ($map) {
2645 $map = $map->customise_for ($self); 2767 $map = $map->customise_for ($self);
2646 $map = $check->($map) if $check && $map; 2768 $map = $check->($map, $x, $y, $self) if $check && $map;
2647 } else { 2769 } else {
2648 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED); 2770 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2649 } 2771 }
2650 2772
2651 $map 2773 $map
2659 if ($gen == $self->{_goto_generation}) { 2781 if ($gen == $self->{_goto_generation}) {
2660 delete $self->{_goto_generation}; 2782 delete $self->{_goto_generation};
2661 $self->leave_link ($map, $x, $y); 2783 $self->leave_link ($map, $x, $y);
2662 } 2784 }
2663 2785
2664 $done->() if $done; 2786 $done->($self) if $done;
2665 })->prio (1); 2787 })->prio (1);
2666} 2788}
2667 2789
2668=item $player_object->enter_exit ($exit_object) 2790=item $player_object->enter_exit ($exit_object)
2669 2791
2762 $self->message ("Something went wrong deep within the deliantra server. " 2884 $self->message ("Something went wrong deep within the deliantra server. "
2763 . "I'll try to bring you back to the map you were before. " 2885 . "I'll try to bring you back to the map you were before. "
2764 . "Please report this to the dungeon master!", 2886 . "Please report this to the dungeon master!",
2765 cf::NDI_UNIQUE | cf::NDI_RED); 2887 cf::NDI_UNIQUE | cf::NDI_RED);
2766 2888
2767 warn "ERROR in enter_exit: $@"; 2889 error "ERROR in enter_exit: $@";
2768 $self->leave_link; 2890 $self->leave_link;
2769 } 2891 }
2770 })->prio (1); 2892 })->prio (1);
2771} 2893}
2772 2894
3085 3207
3086 $ns->ext_reply ($reply, @reply) 3208 $ns->ext_reply ($reply, @reply)
3087 if $reply; 3209 if $reply;
3088 3210
3089 } else { 3211 } else {
3090 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3212 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3091 } 3213 }
3092 3214
3093 cf::override; 3215 cf::override;
3094 }, 3216 },
3095); 3217);
3115 3237
3116 $coro 3238 $coro
3117} 3239}
3118 3240
3119cf::client->attach ( 3241cf::client->attach (
3120 on_destroy => sub { 3242 on_client_destroy => sub {
3121 my ($ns) = @_; 3243 my ($ns) = @_;
3122 3244
3123 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3245 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
3124 }, 3246 },
3125); 3247);
3176 decrease split destroy change_exp value msg lore send_msg)], 3298 decrease split destroy change_exp value msg lore send_msg)],
3177 ["cf::object::player" => qw(player)], 3299 ["cf::object::player" => qw(player)],
3178 ["cf::player" => qw(peaceful send_msg)], 3300 ["cf::player" => qw(peaceful send_msg)],
3179 ["cf::map" => qw(trigger)], 3301 ["cf::map" => qw(trigger)],
3180) { 3302) {
3181 no strict 'refs';
3182 my ($pkg, @funs) = @$_; 3303 my ($pkg, @funs) = @$_;
3183 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3304 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3184 for @funs; 3305 for @funs;
3185} 3306}
3186 3307
3225 local @cf::_safe_eval_args = values %vars; 3346 local @cf::_safe_eval_args = values %vars;
3226 @res = wantarray ? eval eval : scalar eval $eval; 3347 @res = wantarray ? eval eval : scalar eval $eval;
3227 } 3348 }
3228 3349
3229 if ($@) { 3350 if ($@) {
3230 warn "$@"; 3351 warn "$@",
3231 warn "while executing safe code '$code'\n"; 3352 "while executing safe code '$code'\n",
3232 warn "with arguments " . (join " ", %vars) . "\n"; 3353 "with arguments " . (join " ", %vars) . "\n";
3233 } 3354 }
3234 3355
3235 wantarray ? @res : $res[0] 3356 wantarray ? @res : $res[0]
3236} 3357}
3237 3358
3271 # for this (global event?) 3392 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = (); 3393 %ext::player_env::MUSIC_FACE_CACHE = ();
3273 3394
3274 my $enc = JSON::XS->new->utf8->canonical->relaxed; 3395 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3275 3396
3276 warn "loading facedata from $path\n"; 3397 trace "loading facedata from $path\n";
3277 3398
3278 my $facedata;
3279 0 < aio_load $path, $facedata 3399 0 < aio_load $path, my $facedata
3280 or die "$path: $!"; 3400 or die "$path: $!";
3281 3401
3282 $facedata = Coro::Storable::thaw $facedata; 3402 $facedata = Coro::Storable::thaw $facedata;
3283 3403
3284 $facedata->{version} == 2 3404 $facedata->{version} == 2
3315 3435
3316 if (my $smooth = cf::face::find $info->{smooth}) { 3436 if (my $smooth = cf::face::find $info->{smooth}) {
3317 cf::face::set_smooth $idx, $smooth; 3437 cf::face::set_smooth $idx, $smooth;
3318 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3438 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3319 } else { 3439 } else {
3320 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3440 error "smooth face '$info->{smooth}' not found for face '$face'";
3321 } 3441 }
3322 3442
3323 cf::cede_to_tick; 3443 cf::cede_to_tick;
3324 } 3444 }
3325 } 3445 }
3343 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3463 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3344 3464
3345 cf::face::set_data $idx, 0, $info->{data}, $info->{hash}; 3465 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3346 cf::face::set_type $idx, $info->{type}; 3466 cf::face::set_type $idx, $info->{type};
3347 } else { 3467 } else {
3348 $RESOURCE{$name} = $info; 3468 $RESOURCE{$name} = $info; # unused
3349 } 3469 }
3350 3470
3351 cf::cede_to_tick; 3471 cf::cede_to_tick;
3352 } 3472 }
3353 } 3473 }
3354 3474
3355 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE); 3475 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3356 3476
3357 1 3477 1
3358} 3478}
3359
3360cf::global->attach (on_resource_update => sub {
3361 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3362 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3363
3364 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3365 my $sound = $soundconf->{compat}[$_]
3366 or next;
3367
3368 my $face = cf::face::find "sound/$sound->[1]";
3369 cf::sound::set $sound->[0] => $face;
3370 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3371 }
3372
3373 while (my ($k, $v) = each %{$soundconf->{event}}) {
3374 my $face = cf::face::find "sound/$v";
3375 cf::sound::set $k => $face;
3376 }
3377 }
3378});
3379 3479
3380register_exticmd fx_want => sub { 3480register_exticmd fx_want => sub {
3381 my ($ns, $want) = @_; 3481 my ($ns, $want) = @_;
3382 3482
3383 while (my ($k, $v) = each %$want) { 3483 while (my ($k, $v) = each %$want) {
3422sub reload_treasures { 3522sub reload_treasures {
3423 load_resource_file "$DATADIR/treasures" 3523 load_resource_file "$DATADIR/treasures"
3424 or die "unable to load treasurelists\n"; 3524 or die "unable to load treasurelists\n";
3425} 3525}
3426 3526
3527sub reload_sound {
3528 trace "loading sound config from $DATADIR/sound\n";
3529
3530 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3531 or die "$DATADIR/sound $!";
3532
3533 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3534
3535 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3536 my $sound = $soundconf->{compat}[$_]
3537 or next;
3538
3539 my $face = cf::face::find "sound/$sound->[1]";
3540 cf::sound::set $sound->[0] => $face;
3541 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3542 }
3543
3544 while (my ($k, $v) = each %{$soundconf->{event}}) {
3545 my $face = cf::face::find "sound/$v";
3546 cf::sound::set $k => $face;
3547 }
3548}
3549
3427sub reload_resources { 3550sub reload_resources {
3428 warn "reloading resource files...\n"; 3551 trace "reloading resource files...\n";
3429 3552
3553 reload_exp_table;
3554 reload_materials;
3430 reload_facedata; 3555 reload_facedata;
3556 reload_sound;
3431 reload_archetypes; 3557 reload_archetypes;
3432 reload_regions; 3558 reload_regions;
3433 reload_treasures; 3559 reload_treasures;
3434 3560
3435 warn "finished reloading resource files\n"; 3561 trace "finished reloading resource files\n";
3436} 3562}
3437 3563
3438sub reload_config { 3564sub reload_config {
3439 warn "reloading config file...\n"; 3565 trace "reloading config file...\n";
3440 3566
3441 open my $fh, "<:utf8", "$CONFDIR/config" 3567 0 < aio_load "$CONFDIR/config", my $config
3442 or return; 3568 or die "$CONFDIR/config: $!";
3443 3569
3444 local $/; 3570 utf8::decode $config;
3445 *CFG = YAML::XS::Load scalar <$fh>; 3571 *CFG = yaml_load $config;
3446 3572
3447 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3573 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3448 3574
3449 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3575 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3450 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3576 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3451 3577
3452 if (exists $CFG{mlockall}) { 3578 if (exists $CFG{mlockall}) {
3454 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3580 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3455 and die "WARNING: m(un)lockall failed: $!\n"; 3581 and die "WARNING: m(un)lockall failed: $!\n";
3456 }; 3582 };
3457 warn $@ if $@; 3583 warn $@ if $@;
3458 } 3584 }
3459
3460 warn "finished reloading resource files\n";
3461} 3585}
3462 3586
3463sub pidfile() { 3587sub pidfile() {
3464 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT 3588 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3465 or die "$PIDFILE: $!"; 3589 or die "$PIDFILE: $!";
3478 seek $fh, 0, 0; 3602 seek $fh, 0, 0;
3479 print $fh $$; 3603 print $fh $$;
3480} 3604}
3481 3605
3482sub main_loop { 3606sub main_loop {
3483 warn "EV::loop starting\n"; 3607 trace "EV::loop starting\n";
3484 if (1) { 3608 if (1) {
3485 EV::loop; 3609 EV::loop;
3486 } 3610 }
3487 warn "EV::loop returned\n"; 3611 trace "EV::loop returned\n";
3488 goto &main_loop unless $REALLY_UNLOOP; 3612 goto &main_loop unless $REALLY_UNLOOP;
3489} 3613}
3490 3614
3491sub main { 3615sub main {
3492 cf::init_globals; # initialise logging 3616 cf::init_globals; # initialise logging
3493 3617
3494 LOG llevInfo, "Welcome to Deliantra, v" . VERSION; 3618 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3495 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team."; 3619 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3496 LOG llevInfo, "Copyright (C) 1994 Mark Wedel."; 3620 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3497 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen."; 3621 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3498
3499 cf::init_experience;
3500 cf::init_anim;
3501 cf::init_attackmess;
3502 cf::init_dynamic;
3503 3622
3504 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3623 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3505 3624
3506 # we must not ever block the main coroutine 3625 # we must not ever block the main coroutine
3507 local $Coro::idle = sub { 3626 local $Coro::idle = sub {
3513 }; 3632 };
3514 3633
3515 evthread_start IO::AIO::poll_fileno; 3634 evthread_start IO::AIO::poll_fileno;
3516 3635
3517 cf::sync_job { 3636 cf::sync_job {
3637 cf::incloader::init ();
3638
3639 cf::init_anim;
3640 cf::init_attackmess;
3641 cf::init_dynamic;
3642
3518 cf::load_settings; 3643 cf::load_settings;
3519 cf::load_materials;
3520 3644
3521 reload_resources; 3645 reload_resources;
3522 reload_config; 3646 reload_config;
3523 db_init; 3647 db_init;
3524 3648
3525 cf::init_uuid; 3649 cf::init_uuid;
3526 cf::init_signals; 3650 cf::init_signals;
3527 cf::init_commands;
3528 cf::init_skills; 3651 cf::init_skills;
3529 3652
3530 cf::init_beforeplay; 3653 cf::init_beforeplay;
3531 3654
3532 atomic; 3655 atomic;
3540 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD}; 3663 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3541 3664
3542 (pop @POST_INIT)->(0) while @POST_INIT; 3665 (pop @POST_INIT)->(0) while @POST_INIT;
3543 }; 3666 };
3544 3667
3668 cf::object::thawer::errors_are_fatal 0;
3669 info "parse errors in files are no longer fatal from this point on.\n";
3670
3671 my $free_main; $free_main = EV::idle sub {
3672 undef $free_main;
3673 undef &main; # free gobs of memory :)
3674 };
3675
3545 main_loop; 3676 goto &main_loop;
3546} 3677}
3547 3678
3548############################################################################# 3679#############################################################################
3549# initialisation and cleanup 3680# initialisation and cleanup
3550 3681
3551# install some emergency cleanup handlers 3682# install some emergency cleanup handlers
3552BEGIN { 3683BEGIN {
3553 our %SIGWATCHER = (); 3684 our %SIGWATCHER = ();
3554 for my $signal (qw(INT HUP TERM)) { 3685 for my $signal (qw(INT HUP TERM)) {
3555 $SIGWATCHER{$signal} = EV::signal $signal, sub { 3686 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3556 cf::cleanup "SIG$signal"; 3687 cf::cleanup "SIG$signal";
3557 }; 3688 };
3558 } 3689 }
3559} 3690}
3560 3691
3561sub write_runtime_sync { 3692sub write_runtime_sync {
3693 my $t0 = AE::time;
3694
3562 # first touch the runtime file to show we are still running: 3695 # first touch the runtime file to show we are still running:
3563 # the fsync below can take a very very long time. 3696 # the fsync below can take a very very long time.
3564 3697
3565 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef; 3698 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3566 3699
3567 my $guard = cf::lock_acquire "write_runtime"; 3700 my $guard = cf::lock_acquire "write_runtime";
3568 3701
3569 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644 3702 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3570 or return; 3703 or return;
3571 3704
3572 my $value = $cf::RUNTIME + 90 + 10; 3705 my $value = $cf::RUNTIME + 90 + 10;
3573 # 10 is the runtime save interval, for a monotonic clock 3706 # 10 is the runtime save interval, for a monotonic clock
3574 # 60 allows for the watchdog to kill the server. 3707 # 60 allows for the watchdog to kill the server.
3587 or return; 3720 or return;
3588 3721
3589 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE 3722 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3590 and return; 3723 and return;
3591 3724
3592 warn "runtime file written.\n"; 3725 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3593 3726
3594 1 3727 1
3595} 3728}
3596 3729
3597our $uuid_lock; 3730our $uuid_lock;
3609 or return; 3742 or return;
3610 3743
3611 my $value = uuid_seq uuid_cur; 3744 my $value = uuid_seq uuid_cur;
3612 3745
3613 unless ($value) { 3746 unless ($value) {
3614 warn "cowardly refusing to write zero uuid value!\n"; 3747 info "cowardly refusing to write zero uuid value!\n";
3615 return; 3748 return;
3616 } 3749 }
3617 3750
3618 my $value = uuid_str $value + $uuid_skip; 3751 my $value = uuid_str $value + $uuid_skip;
3619 $uuid_skip = 0; 3752 $uuid_skip = 0;
3629 or return; 3762 or return;
3630 3763
3631 aio_rename "$uuid~", $uuid 3764 aio_rename "$uuid~", $uuid
3632 and return; 3765 and return;
3633 3766
3634 warn "uuid file written ($value).\n"; 3767 trace "uuid file written ($value).\n";
3635 3768
3636 1 3769 1
3637 3770
3638} 3771}
3639 3772
3645} 3778}
3646 3779
3647sub emergency_save() { 3780sub emergency_save() {
3648 my $freeze_guard = cf::freeze_mainloop; 3781 my $freeze_guard = cf::freeze_mainloop;
3649 3782
3650 warn "emergency_perl_save: enter\n"; 3783 info "emergency_perl_save: enter\n";
3784
3785 # this is a trade-off: we want to be very quick here, so
3786 # save all maps without fsync, and later call a global sync
3787 # (which in turn might be very very slow)
3788 local $USE_FSYNC = 0;
3651 3789
3652 cf::sync_job { 3790 cf::sync_job {
3653 # this is a trade-off: we want to be very quick here, so 3791 cf::write_runtime_sync; # external watchdog should not bark
3654 # save all maps without fsync, and later call a global sync
3655 # (which in turn might be very very slow)
3656 local $USE_FSYNC = 0;
3657 3792
3658 # use a peculiar iteration method to avoid tripping on perl 3793 # use a peculiar iteration method to avoid tripping on perl
3659 # refcount bugs in for. also avoids problems with players 3794 # refcount bugs in for. also avoids problems with players
3660 # and maps saved/destroyed asynchronously. 3795 # and maps saved/destroyed asynchronously.
3661 warn "emergency_perl_save: begin player save\n"; 3796 info "emergency_perl_save: begin player save\n";
3662 for my $login (keys %cf::PLAYER) { 3797 for my $login (keys %cf::PLAYER) {
3663 my $pl = $cf::PLAYER{$login} or next; 3798 my $pl = $cf::PLAYER{$login} or next;
3664 $pl->valid or next; 3799 $pl->valid or next;
3665 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3800 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3666 $pl->save; 3801 $pl->save;
3667 } 3802 }
3668 warn "emergency_perl_save: end player save\n"; 3803 info "emergency_perl_save: end player save\n";
3669 3804
3805 cf::write_runtime_sync; # external watchdog should not bark
3806
3670 warn "emergency_perl_save: begin map save\n"; 3807 info "emergency_perl_save: begin map save\n";
3671 for my $path (keys %cf::MAP) { 3808 for my $path (keys %cf::MAP) {
3672 my $map = $cf::MAP{$path} or next; 3809 my $map = $cf::MAP{$path} or next;
3673 $map->valid or next; 3810 $map->valid or next;
3674 $map->save; 3811 $map->save;
3675 } 3812 }
3676 warn "emergency_perl_save: end map save\n"; 3813 info "emergency_perl_save: end map save\n";
3677 3814
3815 cf::write_runtime_sync; # external watchdog should not bark
3816
3678 warn "emergency_perl_save: begin database checkpoint\n"; 3817 info "emergency_perl_save: begin database checkpoint\n";
3679 BDB::db_env_txn_checkpoint $DB_ENV; 3818 BDB::db_env_txn_checkpoint $DB_ENV;
3680 warn "emergency_perl_save: end database checkpoint\n"; 3819 info "emergency_perl_save: end database checkpoint\n";
3681 3820
3682 warn "emergency_perl_save: begin write uuid\n"; 3821 info "emergency_perl_save: begin write uuid\n";
3683 write_uuid_sync 1; 3822 write_uuid_sync 1;
3684 warn "emergency_perl_save: end write uuid\n"; 3823 info "emergency_perl_save: end write uuid\n";
3824
3825 cf::write_runtime_sync; # external watchdog should not bark
3826
3827 trace "emergency_perl_save: syncing database to disk";
3828 BDB::db_env_txn_checkpoint $DB_ENV;
3829
3830 info "emergency_perl_save: starting sync\n";
3831 IO::AIO::aio_sync sub {
3832 info "emergency_perl_save: finished sync\n";
3833 };
3834
3835 cf::write_runtime_sync; # external watchdog should not bark
3836
3837 trace "emergency_perl_save: flushing outstanding aio requests";
3838 while (IO::AIO::nreqs || BDB::nreqs) {
3839 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3840 }
3841
3842 cf::write_runtime_sync; # external watchdog should not bark
3685 }; 3843 };
3686 3844
3687 warn "emergency_perl_save: starting sync()\n";
3688 IO::AIO::aio_sync sub {
3689 warn "emergency_perl_save: finished sync()\n";
3690 };
3691
3692 warn "emergency_perl_save: leave\n"; 3845 info "emergency_perl_save: leave\n";
3693} 3846}
3694 3847
3695sub post_cleanup { 3848sub post_cleanup {
3696 my ($make_core) = @_; 3849 my ($make_core) = @_;
3697 3850
3851 IO::AIO::flush;
3852
3698 warn Carp::longmess "post_cleanup backtrace" 3853 error Carp::longmess "post_cleanup backtrace"
3699 if $make_core; 3854 if $make_core;
3700 3855
3701 my $fh = pidfile; 3856 my $fh = pidfile;
3702 unlink $PIDFILE if <$fh> == $$; 3857 unlink $PIDFILE if <$fh> == $$;
3703} 3858}
3723 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; 3878 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3724 for my $name (keys %$leaf_symtab) { 3879 for my $name (keys %$leaf_symtab) {
3725 _gv_clear *{"$pkg$name"}; 3880 _gv_clear *{"$pkg$name"};
3726# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; 3881# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3727 } 3882 }
3728 warn "cleared package $pkg\n";#d#
3729} 3883}
3730 3884
3731sub do_reload_perl() { 3885sub do_reload_perl() {
3732 # can/must only be called in main 3886 # can/must only be called in main
3733 if ($Coro::current != $Coro::main) { 3887 unless (in_main) {
3734 warn "can only reload from main coroutine"; 3888 error "can only reload from main coroutine";
3735 return; 3889 return;
3736 } 3890 }
3737 3891
3738 return if $RELOAD++; 3892 return if $RELOAD++;
3739 3893
3740 my $t1 = EV::time; 3894 my $t1 = AE::time;
3741 3895
3742 while ($RELOAD) { 3896 while ($RELOAD) {
3897 cf::get_slot 0.1, -1, "reload_perl";
3743 warn "reloading..."; 3898 info "reloading...";
3744 3899
3745 warn "entering sync_job"; 3900 trace "entering sync_job";
3746 3901
3747 cf::sync_job { 3902 cf::sync_job {
3748 cf::write_runtime_sync; # external watchdog should not bark
3749 cf::emergency_save; 3903 #cf::emergency_save;
3750 cf::write_runtime_sync; # external watchdog should not bark
3751 3904
3752 warn "syncing database to disk";
3753 BDB::db_env_txn_checkpoint $DB_ENV;
3754
3755 # if anything goes wrong in here, we should simply crash as we already saved
3756
3757 warn "flushing outstanding aio requests";
3758 while (IO::AIO::nreqs || BDB::nreqs) {
3759 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3760 }
3761
3762 warn "cancelling all extension coros"; 3905 trace "cancelling all extension coros";
3763 $_->cancel for values %EXT_CORO; 3906 $_->cancel for values %EXT_CORO;
3764 %EXT_CORO = (); 3907 %EXT_CORO = ();
3765 3908
3766 warn "removing commands"; 3909 trace "removing commands";
3767 %COMMAND = (); 3910 %COMMAND = ();
3768 3911
3769 warn "removing ext/exti commands"; 3912 trace "removing ext/exti commands";
3770 %EXTCMD = (); 3913 %EXTCMD = ();
3771 %EXTICMD = (); 3914 %EXTICMD = ();
3772 3915
3773 warn "unloading/nuking all extensions"; 3916 trace "unloading/nuking all extensions";
3774 for my $pkg (@EXTS) { 3917 for my $pkg (@EXTS) {
3775 warn "... unloading $pkg"; 3918 trace "... unloading $pkg";
3776 3919
3777 if (my $cb = $pkg->can ("unload")) { 3920 if (my $cb = $pkg->can ("unload")) {
3778 eval { 3921 eval {
3779 $cb->($pkg); 3922 $cb->($pkg);
3780 1 3923 1
3781 } or warn "$pkg unloaded, but with errors: $@"; 3924 } or error "$pkg unloaded, but with errors: $@";
3782 } 3925 }
3783 3926
3784 warn "... clearing $pkg"; 3927 trace "... clearing $pkg";
3785 clear_package $pkg; 3928 clear_package $pkg;
3786 } 3929 }
3787 3930
3788 warn "unloading all perl modules loaded from $LIBDIR"; 3931 trace "unloading all perl modules loaded from $LIBDIR";
3789 while (my ($k, $v) = each %INC) { 3932 while (my ($k, $v) = each %INC) {
3790 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3933 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3791 3934
3792 warn "... unloading $k"; 3935 trace "... unloading $k";
3793 delete $INC{$k}; 3936 delete $INC{$k};
3794 3937
3795 $k =~ s/\.pm$//; 3938 $k =~ s/\.pm$//;
3796 $k =~ s/\//::/g; 3939 $k =~ s/\//::/g;
3797 3940
3800 } 3943 }
3801 3944
3802 clear_package $k; 3945 clear_package $k;
3803 } 3946 }
3804 3947
3805 warn "getting rid of safe::, as good as possible"; 3948 trace "getting rid of safe::, as good as possible";
3806 clear_package "safe::$_" 3949 clear_package "safe::$_"
3807 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3950 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3808 3951
3809 warn "unloading cf.pm \"a bit\""; 3952 trace "unloading cf.pm \"a bit\"";
3810 delete $INC{"cf.pm"}; 3953 delete $INC{"cf.pm"};
3811 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES; 3954 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3812 3955
3813 # don't, removes xs symbols, too, 3956 # don't, removes xs symbols, too,
3814 # and global variables created in xs 3957 # and global variables created in xs
3815 #clear_package __PACKAGE__; 3958 #clear_package __PACKAGE__;
3816 3959
3817 warn "unload completed, starting to reload now"; 3960 info "unload completed, starting to reload now";
3818 3961
3819 warn "reloading cf.pm"; 3962 trace "reloading cf.pm";
3820 require cf; 3963 require cf;
3821 cf::_connect_to_perl_1; 3964 cf::_connect_to_perl_1;
3822 3965
3823 warn "loading config and database again"; 3966 trace "loading config and database again";
3824 cf::reload_config; 3967 cf::reload_config;
3825 3968
3826 warn "loading extensions"; 3969 trace "loading extensions";
3827 cf::load_extensions; 3970 cf::load_extensions;
3828 3971
3829 if ($REATTACH_ON_RELOAD) { 3972 if ($REATTACH_ON_RELOAD) {
3830 warn "reattaching attachments to objects/players"; 3973 trace "reattaching attachments to objects/players";
3831 _global_reattach; # objects, sockets 3974 _global_reattach; # objects, sockets
3832 warn "reattaching attachments to maps"; 3975 trace "reattaching attachments to maps";
3833 reattach $_ for values %MAP; 3976 reattach $_ for values %MAP;
3834 warn "reattaching attachments to players"; 3977 trace "reattaching attachments to players";
3835 reattach $_ for values %PLAYER; 3978 reattach $_ for values %PLAYER;
3836 } 3979 }
3837 3980
3838 warn "running post_init jobs"; 3981 trace "running post_init jobs";
3839 (pop @POST_INIT)->(1) while @POST_INIT; 3982 (pop @POST_INIT)->(1) while @POST_INIT;
3840 3983
3841 warn "leaving sync_job"; 3984 trace "leaving sync_job";
3842 3985
3843 1 3986 1
3844 } or do { 3987 } or do {
3845 warn $@; 3988 error $@;
3846 cf::cleanup "error while reloading, exiting."; 3989 cf::cleanup "error while reloading, exiting.";
3847 }; 3990 };
3848 3991
3849 warn "reloaded"; 3992 info "reloaded";
3850 --$RELOAD; 3993 --$RELOAD;
3851 } 3994 }
3852 3995
3853 $t1 = EV::time - $t1; 3996 $t1 = AE::time - $t1;
3854 warn "reload completed in ${t1}s\n"; 3997 info "reload completed in ${t1}s\n";
3855}; 3998};
3856 3999
3857our $RELOAD_WATCHER; # used only during reload 4000our $RELOAD_WATCHER; # used only during reload
3858 4001
3859sub reload_perl() { 4002sub reload_perl() {
3861 # coro crashes during coro_state_free->destroy here. 4004 # coro crashes during coro_state_free->destroy here.
3862 4005
3863 $RELOAD_WATCHER ||= cf::async { 4006 $RELOAD_WATCHER ||= cf::async {
3864 Coro::AIO::aio_wait cache_extensions; 4007 Coro::AIO::aio_wait cache_extensions;
3865 4008
3866 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub { 4009 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3867 do_reload_perl; 4010 do_reload_perl;
3868 undef $RELOAD_WATCHER; 4011 undef $RELOAD_WATCHER;
3869 }; 4012 };
3870 }; 4013 };
3871} 4014}
3880 reload_perl; 4023 reload_perl;
3881 }; 4024 };
3882 } 4025 }
3883}; 4026};
3884 4027
3885unshift @INC, $LIBDIR; 4028#############################################################################
3886 4029
3887my $bug_warning = 0; 4030my $bug_warning = 0;
3888 4031
3889our @WAIT_FOR_TICK; 4032our @WAIT_FOR_TICK;
3890our @WAIT_FOR_TICK_BEGIN; 4033our @WAIT_FOR_TICK_BEGIN;
3891 4034
3892sub wait_for_tick { 4035sub wait_for_tick() {
3893 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main; 4036 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3894 4037
3895 my $signal = new Coro::Signal; 4038 my $signal = new Coro::Signal;
3896 push @WAIT_FOR_TICK, $signal; 4039 push @WAIT_FOR_TICK, $signal;
3897 $signal->wait; 4040 $signal->wait;
3898} 4041}
3899 4042
3900sub wait_for_tick_begin { 4043sub wait_for_tick_begin() {
3901 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main; 4044 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3902 4045
3903 my $signal = new Coro::Signal; 4046 my $signal = new Coro::Signal;
3904 push @WAIT_FOR_TICK_BEGIN, $signal; 4047 push @WAIT_FOR_TICK_BEGIN, $signal;
3905 $signal->wait; 4048 $signal->wait;
3912 return; 4055 return;
3913 } 4056 }
3914 4057
3915 cf::server_tick; # one server iteration 4058 cf::server_tick; # one server iteration
3916 4059
4060 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
4061
3917 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4062 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3918 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 4063 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3919 Coro::async_pool { 4064 Coro::async_pool {
3920 $Coro::current->{desc} = "runtime saver"; 4065 $Coro::current->{desc} = "runtime saver";
3921 write_runtime_sync 4066 write_runtime_sync
3922 or warn "ERROR: unable to write runtime file: $!"; 4067 or error "ERROR: unable to write runtime file: $!";
3923 }; 4068 };
3924 } 4069 }
3925 4070
3926 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4071 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3927 $sig->send; 4072 $sig->send;
3935 4080
3936 if (0) { 4081 if (0) {
3937 if ($NEXT_TICK) { 4082 if ($NEXT_TICK) {
3938 my $jitter = $TICK_START - $NEXT_TICK; 4083 my $jitter = $TICK_START - $NEXT_TICK;
3939 $JITTER = $JITTER * 0.75 + $jitter * 0.25; 4084 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3940 warn "jitter $JITTER\n";#d# 4085 debug "jitter $JITTER\n";#d#
3941 } 4086 }
3942 } 4087 }
3943} 4088}
3944 4089
3945{ 4090{
3946 # configure BDB 4091 # configure BDB
3947 4092
3948 BDB::min_parallel 8; 4093 BDB::min_parallel 16;
3949 BDB::max_poll_reqs $TICK * 0.1; 4094 BDB::max_poll_reqs $TICK * 0.1;
3950 $AnyEvent::BDB::WATCHER->priority (1); 4095 $AnyEvent::BDB::WATCHER->priority (1);
3951 4096
3952 unless ($DB_ENV) { 4097 unless ($DB_ENV) {
3953 $DB_ENV = BDB::db_env_create; 4098 $DB_ENV = BDB::db_env_create;

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