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Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.64 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
24use Coro::Util (); 49use Coro::Util ();
25 50
26use JSON::XS (); 51use JSON::XS 2.01 ();
27use BDB (); 52use BDB ();
28use Data::Dumper; 53use Data::Dumper;
29use Digest::MD5; 54use Digest::MD5;
30use Fcntl; 55use Fcntl;
31use YAML::Syck (); 56use YAML ();
32use IO::AIO 2.32 (); 57use IO::AIO ();
33use Time::HiRes; 58use Time::HiRes;
34use Compress::LZF; 59use Compress::LZF;
35use Digest::MD5 (); 60use Digest::MD5 ();
61
62AnyEvent::detect;
36 63
37# configure various modules to our taste 64# configure various modules to our taste
38# 65#
39$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::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
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47 68
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71{
72 # very ugly, but ensure we acquire the storable lock
73
74 sub net_mstore {
75 my $guard = Coro::Storable::guard;
76 &Storable::net_mstore
77 }
78
79 sub mretrieve {
80 my $guard = Coro::Storable::guard;
81 &Storable::mretrieve
82 }
83
84 Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
85 Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
86}
49 87
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 88sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 89
52our %COMMAND = (); 90our %COMMAND = ();
53our %COMMAND_TIME = (); 91our %COMMAND_TIME = ();
59our %EXT_MAP = (); # pluggable maps 97our %EXT_MAP = (); # pluggable maps
60 98
61our $RELOAD; # number of reloads so far 99our $RELOAD; # number of reloads so far
62our @EVENT; 100our @EVENT;
63 101
64our $CONFDIR = confdir; 102our $CONFDIR = confdir;
65our $DATADIR = datadir; 103our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 104our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 105our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 106our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir; 107our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 108our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 109our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 110our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 111our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 112our $BDBDIR = "$LOCALDIR/db";
113our $PIDFILE = "$LOCALDIR/pid";
114our $RUNTIMEFILE = "$LOCALDIR/runtime";
115
116our %RESOURCE;
75 117
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 118our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 119our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 120our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 121our $USE_FSYNC = 1; # use fsync to write maps - default off
83 122
84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER; 123our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER; 124our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER; 125our $BDB_TRICKLE_WATCHER;
88our $DB_ENV; 126our $DB_ENV;
89 127
90our %CFG; 128our %CFG;
91 129
92our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
93our $RUNTIME; 131our $RUNTIME;
132our $NOW;
94 133
95our (%PLAYER, %PLAYER_LOADING); # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
96our (%MAP, %MAP_LOADING ); # all maps 135our (%MAP, %MAP_LOADING ); # all maps
97our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
98 137
99# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101 140
102our $LOAD; # a number between 0 (idle) and 1 (too many objects) 141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing 142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
104our $tick_start; # for load detecting purposes 144our $TICK_START; # for load detecting purposes
105 145
106binmode STDOUT; 146binmode STDOUT;
107binmode STDERR; 147binmode STDERR;
108 148
109# read virtual server time, if available 149# read virtual server time, if available
110unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 150unless ($RUNTIME || !-e $RUNTIMEFILE) {
111 open my $fh, "<", "$LOCALDIR/runtime" 151 open my $fh, "<", $RUNTIMEFILE
112 or die "unable to read runtime file: $!"; 152 or die "unable to read $RUNTIMEFILE file: $!";
113 $RUNTIME = <$fh> + 0.; 153 $RUNTIME = <$fh> + 0.;
114} 154}
115 155
116mkdir $_ 156mkdir $_
117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 157 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
162 202
163The raw value load value from the last tick. 203The raw value load value from the last tick.
164 204
165=item %cf::CFG 205=item %cf::CFG
166 206
167Configuration for the server, loaded from C</etc/crossfire/config>, or 207Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168from wherever your confdir points to. 208from wherever your confdir points to.
169 209
170=item cf::wait_for_tick, cf::wait_for_tick_begin 210=item cf::wait_for_tick, cf::wait_for_tick_begin
171 211
172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 212These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 233 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 234
195 LOG llevError, $msg; 235 LOG llevError, $msg;
196 }; 236 };
197} 237}
238
239$Coro::State::DIEHOOK = sub {
240 return unless $^S eq 0; # "eq", not "=="
241
242 if ($Coro::current == $Coro::main) {#d#
243 warn "DIEHOOK called in main context, Coro bug?\n";#d#
244 return;#d#
245 }#d#
246
247 # kill coroutine otherwise
248 warn Carp::longmess $_[0];
249 Coro::terminate
250};
251
252$SIG{__DIE__} = sub { }; #d#?
198 253
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 254@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 255@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 256@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 257@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
209for my $pkg (qw( 264for my $pkg (qw(
210 cf::global cf::attachable 265 cf::global cf::attachable
211 cf::object cf::object::player 266 cf::object cf::object::player
212 cf::client cf::player 267 cf::client cf::player
213 cf::arch cf::living 268 cf::arch cf::living
269 cf::map cf::mapspace
214 cf::map cf::party cf::region 270 cf::party cf::region
215)) { 271)) {
216 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 272 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 273}
219 274
220$Event::DIED = sub { 275$EV::DIED = sub {
221 warn "error in event callback: @_"; 276 warn "error in event callback: @_";
222}; 277};
223 278
224############################################################################# 279#############################################################################
225 280
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 303 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d 304 $d
250 } || "[unable to dump $_[0]: '$@']"; 305 } || "[unable to dump $_[0]: '$@']";
251} 306}
252 307
253=item $ref = cf::from_json $json 308=item $ref = cf::decode_json $json
254 309
255Converts a JSON string into the corresponding perl data structure. 310Converts a JSON string into the corresponding perl data structure.
256 311
257=item $json = cf::to_json $ref 312=item $json = cf::encode_json $ref
258 313
259Converts a perl data structure into its JSON representation. 314Converts a perl data structure into its JSON representation.
260 315
261=cut 316=cut
262 317
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 318our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 319
265sub to_json ($) { $json_coder->encode ($_[0]) } 320sub encode_json($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) } 321sub decode_json($) { $json_coder->decode ($_[0]) }
267 322
268=item cf::lock_wait $string 323=item cf::lock_wait $string
269 324
270Wait until the given lock is available. See cf::lock_acquire. 325Wait until the given lock is available. See cf::lock_acquire.
271 326
327 382
328 ! ! $LOCK{$key} 383 ! ! $LOCK{$key}
329} 384}
330 385
331sub freeze_mainloop { 386sub freeze_mainloop {
332 return unless $TICK_WATCHER->is_active; 387 tick_inhibit_inc;
333 388
334 my $guard = Coro::guard { 389 Coro::guard \&tick_inhibit_dec;
335 $TICK_WATCHER->start; 390}
336 }; 391
337 $TICK_WATCHER->stop; 392=item cf::periodic $interval, $cb
338 $guard 393
394Like EV::periodic, but randomly selects a starting point so that the actions
395get spread over timer.
396
397=cut
398
399sub periodic($$) {
400 my ($interval, $cb) = @_;
401
402 my $start = rand List::Util::min 180, $interval;
403
404 EV::periodic $start, $interval, 0, $cb
339} 405}
340 406
341=item cf::get_slot $time[, $priority[, $name]] 407=item cf::get_slot $time[, $priority[, $name]]
342 408
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 409Allocate $time seconds of blocking CPU time at priority C<$priority>:
373 } 439 }
374 } 440 }
375 } 441 }
376 442
377 if (@SLOT_QUEUE) { 443 if (@SLOT_QUEUE) {
378 # we do not use wait_For_tick() as it returns immediately when tick is inactive 444 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal; 445 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait; 446 $signal->wait;
381 } else { 447 } else {
382 Coro::schedule; 448 Coro::schedule;
383 } 449 }
384 } 450 }
385}; 451};
386 452
387sub get_slot($;$$) { 453sub get_slot($;$$) {
454 return if tick_inhibit || $Coro::current == $Coro::main;
455
388 my ($time, $pri, $name) = @_; 456 my ($time, $pri, $name) = @_;
389 457
390 $time = $TICK * .6 if $time > $TICK * .6; 458 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal; 459 my $sig = new Coro::Signal;
392 460
406 474
407BEGIN { *async = \&Coro::async_pool } 475BEGIN { *async = \&Coro::async_pool }
408 476
409=item cf::sync_job { BLOCK } 477=item cf::sync_job { BLOCK }
410 478
411The design of Crossfire TRT requires that the main coroutine ($Coro::main) 479The design of Deliantra requires that the main coroutine ($Coro::main)
412is always able to handle events or runnable, as Crossfire TRT is only 480is 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 481partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable. 482acceptable.
415 483
416If it must be done, put the blocking parts into C<sync_job>. This will run 484If 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 485the given BLOCK in another coroutine while waiting for the result. The
422 490
423sub sync_job(&) { 491sub sync_job(&) {
424 my ($job) = @_; 492 my ($job) = @_;
425 493
426 if ($Coro::current == $Coro::main) { 494 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 495 my $time = EV::time;
428 496
429 # this is the main coro, too bad, we have to block 497 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 498 # till the operation succeeds, freezing the server :/
431 499
432 # TODO: use suspend/resume instead 500 LOG llevError, Carp::longmess "sync job";#d#
433 # (but this is cancel-safe) 501
434 my $freeze_guard = freeze_mainloop; 502 my $freeze_guard = freeze_mainloop;
435 503
436 my $busy = 1; 504 my $busy = 1;
437 my @res; 505 my @res;
438 506
442 warn $@ if $@; 510 warn $@ if $@;
443 undef $busy; 511 undef $busy;
444 })->prio (Coro::PRIO_MAX); 512 })->prio (Coro::PRIO_MAX);
445 513
446 while ($busy) { 514 while ($busy) {
447 Coro::cede or Event::one_event; 515 if (Coro::nready) {
516 Coro::cede_notself;
517 } else {
518 EV::loop EV::LOOP_ONESHOT;
448 } 519 }
520 }
449 521
450 $time = Event::time - $time; 522 my $time = EV::time - $time;
451 523
452 LOG llevError | logBacktrace, Carp::longmess "long sync job"
453 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455 $tick_start += $time; # do not account sync jobs to server load 524 $TICK_START += $time; # do not account sync jobs to server load
456 525
457 wantarray ? @res : $res[0] 526 wantarray ? @res : $res[0]
458 } else { 527 } else {
459 # we are in another coroutine, how wonderful, everything just works 528 # we are in another coroutine, how wonderful, everything just works
460 529
485=item fork_call { }, $args 554=item fork_call { }, $args
486 555
487Executes the given code block with the given arguments in a seperate 556Executes the given code block with the given arguments in a seperate
488process, returning the results. Everything must be serialisable with 557process, returning the results. Everything must be serialisable with
489Coro::Storable. May, of course, block. Note that the executed sub may 558Coro::Storable. May, of course, block. Note that the executed sub may
490never block itself or use any form of Event handling. 559never block itself or use any form of event handling.
491 560
492=cut 561=cut
493 562
494sub fork_call(&@) { 563sub fork_call(&@) {
495 my ($cb, @args) = @_; 564 my ($cb, @args) = @_;
502 reset_signals; 571 reset_signals;
503 &$cb 572 &$cb
504 }, @args; 573 }, @args;
505 574
506 wantarray ? @res : $res[-1] 575 wantarray ? @res : $res[-1]
576}
577
578=item $coin = coin_from_name $name
579
580=cut
581
582our %coin_alias = (
583 "silver" => "silvercoin",
584 "silvercoin" => "silvercoin",
585 "silvercoins" => "silvercoin",
586 "gold" => "goldcoin",
587 "goldcoin" => "goldcoin",
588 "goldcoins" => "goldcoin",
589 "platinum" => "platinacoin",
590 "platinumcoin" => "platinacoin",
591 "platinumcoins" => "platinacoin",
592 "platina" => "platinacoin",
593 "platinacoin" => "platinacoin",
594 "platinacoins" => "platinacoin",
595 "royalty" => "royalty",
596 "royalties" => "royalty",
597);
598
599sub coin_from_name($) {
600 $coin_alias{$_[0]}
601 ? cf::arch::find $coin_alias{$_[0]}
602 : undef
507} 603}
508 604
509=item $value = cf::db_get $family => $key 605=item $value = cf::db_get $family => $key
510 606
511Returns a single value from the environment database. 607Returns a single value from the environment database.
650 746
651############################################################################# 747#############################################################################
652 748
653=head2 ATTACHABLE OBJECTS 749=head2 ATTACHABLE OBJECTS
654 750
655Many objects in crossfire are so-called attachable objects. That means you can 751Many objects in deliantra are so-called attachable objects. That means you can
656attach callbacks/event handlers (a collection of which is called an "attachment") 752attach callbacks/event handlers (a collection of which is called an "attachment")
657to it. All such attachable objects support the following methods. 753to it. All such attachable objects support the following methods.
658 754
659In the following description, CLASS can be any of C<global>, C<object> 755In the following description, CLASS can be any of C<global>, C<object>
660C<player>, C<client> or C<map> (i.e. the attachable objects in 756C<player>, C<client> or C<map> (i.e. the attachable objects in
661Crossfire TRT). 757Deliantra).
662 758
663=over 4 759=over 4
664 760
665=item $attachable->attach ($attachment, key => $value...) 761=item $attachable->attach ($attachment, key => $value...)
666 762
710=item cf::CLASS::attachment $name, ... 806=item cf::CLASS::attachment $name, ...
711 807
712Register an attachment by C<$name> through which attachable objects of the 808Register an attachment by C<$name> through which attachable objects of the
713given CLASS can refer to this attachment. 809given CLASS can refer to this attachment.
714 810
715Some classes such as crossfire maps and objects can specify attachments 811Some classes such as deliantra maps and objects can specify attachments
716that are attached at load/instantiate time, thus the need for a name. 812that are attached at load/instantiate time, thus the need for a name.
717 813
718These calls expect any number of the following handler/hook descriptions: 814These calls expect any number of the following handler/hook descriptions:
719 815
720=over 4 816=over 4
948 } 1044 }
949 1045
950 0 1046 0
951} 1047}
952 1048
953=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1049=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954 1050
955=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956 1052
957Generate an object-specific event with the given arguments. 1053Generate an object-specific event with the given arguments.
958 1054
964 1060
965=cut 1061=cut
966 1062
967############################################################################# 1063#############################################################################
968# object support 1064# object support
969#
970 1065
1066sub _object_equal($$);
1067sub _object_equal($$) {
1068 my ($a, $b) = @_;
1069
1070 return 0 unless (ref $a) eq (ref $b);
1071
1072 if ("HASH" eq ref $a) {
1073 my @ka = keys %$a;
1074 my @kb = keys %$b;
1075
1076 return 0 if @ka != @kb;
1077
1078 for (0 .. $#ka) {
1079 return 0 unless $ka[$_] eq $kb[$_];
1080 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1081 }
1082
1083 } elsif ("ARRAY" eq ref $a) {
1084
1085 return 0 if @$a != @$b;
1086
1087 for (0 .. $#$a) {
1088 return 0 unless _object_equal $a->[$_], $b->[$_];
1089 }
1090
1091 } elsif ($a ne $b) {
1092 return 0;
1093 }
1094
1095 1
1096}
1097
1098our $SLOW_MERGES;#d#
971sub _can_merge { 1099sub _can_merge {
972 my ($ob1, $ob2) = @_; 1100 my ($ob1, $ob2) = @_;
973 1101
974 local $Storable::canonical = 1; 1102 ++$SLOW_MERGES;#d#
975 my $fob1 = Storable::freeze $ob1;
976 my $fob2 = Storable::freeze $ob2;
977 1103
978 $fob1 eq $fob2 1104 # we do the slow way here
1105 return _object_equal $ob1, $ob2
979} 1106}
980 1107
981sub reattach { 1108sub reattach {
982 # basically do the same as instantiate, without calling instantiate 1109 # basically do the same as instantiate, without calling instantiate
983 my ($obj) = @_; 1110 my ($obj) = @_;
984 1111
1112 # no longer needed after getting rid of delete_package?
985 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1113 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
986 1114
987 my $registry = $obj->registry; 1115 my $registry = $obj->registry;
988 1116
989 @$registry = (); 1117 @$registry = ();
990 1118
1005cf::attachable->attach ( 1133cf::attachable->attach (
1006 prio => -1000000, 1134 prio => -1000000,
1007 on_instantiate => sub { 1135 on_instantiate => sub {
1008 my ($obj, $data) = @_; 1136 my ($obj, $data) = @_;
1009 1137
1010 $data = from_json $data; 1138 $data = decode_json $data;
1011 1139
1012 for (@$data) { 1140 for (@$data) {
1013 my ($name, $args) = @$_; 1141 my ($name, $args) = @$_;
1014 1142
1015 $obj->attach ($name, %{$args || {} }); 1143 $obj->attach ($name, %{$args || {} });
1036 utf8::decode (my $decname = $filename); 1164 utf8::decode (my $decname = $filename);
1037 warn sprintf "saving %s (%d,%d)\n", 1165 warn sprintf "saving %s (%d,%d)\n",
1038 $decname, length $$rdata, scalar @$objs; 1166 $decname, length $$rdata, scalar @$objs;
1039 1167
1040 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1168 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041 chmod SAVE_MODE, $fh; 1169 aio_chmod $fh, SAVE_MODE;
1042 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1170 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043 aio_fsync $fh if $cf::USE_FSYNC; 1171 aio_fsync $fh if $cf::USE_FSYNC;
1044 close $fh; 1172 aio_close $fh;
1045 1173
1046 if (@$objs) { 1174 if (@$objs) {
1047 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1048 chmod SAVE_MODE, $fh; 1176 aio_chmod $fh, SAVE_MODE;
1049 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1177 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050 aio_write $fh, 0, (length $data), $data, 0; 1178 aio_write $fh, 0, (length $data), $data, 0;
1051 aio_fsync $fh if $cf::USE_FSYNC; 1179 aio_fsync $fh if $cf::USE_FSYNC;
1052 close $fh; 1180 aio_close $fh;
1053 aio_rename "$filename.pst~", "$filename.pst"; 1181 aio_rename "$filename.pst~", "$filename.pst";
1054 } 1182 }
1055 } else { 1183 } else {
1056 aio_unlink "$filename.pst"; 1184 aio_unlink "$filename.pst";
1057 } 1185 }
1085 1213
1086 unless (aio_stat "$filename.pst") { 1214 unless (aio_stat "$filename.pst") {
1087 (aio_load "$filename.pst", $av) >= 0 1215 (aio_load "$filename.pst", $av) >= 0
1088 or return; 1216 or return;
1089 1217
1090 $av = eval { (Storable::thaw $av)->{objs} }; 1218 my $st = eval { Coro::Storable::thaw $av };
1219 $av = $st->{objs};
1091 } 1220 }
1092 1221
1093 utf8::decode (my $decname = $filename); 1222 utf8::decode (my $decname = $filename);
1094 warn sprintf "loading %s (%d,%d)\n", 1223 warn sprintf "loading %s (%d,%d)\n",
1095 $decname, length $data, scalar @{$av || []}; 1224 $decname, length $data, scalar @{$av || []};
1225 1354
1226 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1355 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1356 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228 1357
1229 $ext{source} = 1358 $ext{source} =
1230 "package $pkg; use strict; use utf8;\n" 1359 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1231 . "#line 1 \"$path\"\n{\n" 1360 . "#line 1 \"$path\"\n{\n"
1232 . $source 1361 . $source
1233 . "\n};\n1"; 1362 . "\n};\n1";
1234 1363
1235 $todo{$base} = \%ext; 1364 $todo{$base} = \%ext;
1251 my $msg = $@ ? "$v->{path}: $@\n" 1380 my $msg = $@ ? "$v->{path}: $@\n"
1252 : "$v->{base}: extension inactive.\n"; 1381 : "$v->{base}: extension inactive.\n";
1253 1382
1254 if (exists $v->{meta}{mandatory}) { 1383 if (exists $v->{meta}{mandatory}) {
1255 warn $msg; 1384 warn $msg;
1256 warn "mandatory extension failed to load, exiting.\n"; 1385 cf::cleanup "mandatory extension failed to load, exiting.";
1257 exit 1;
1258 } 1386 }
1259 1387
1260 warn $msg; 1388 warn $msg;
1261 } 1389 }
1262 1390
1276 1404
1277=back 1405=back
1278 1406
1279=head2 CORE EXTENSIONS 1407=head2 CORE EXTENSIONS
1280 1408
1281Functions and methods that extend core crossfire objects. 1409Functions and methods that extend core deliantra objects.
1282 1410
1283=cut 1411=cut
1284 1412
1285package cf::player; 1413package cf::player;
1286 1414
1351 my $f = new_from_file cf::object::thawer path $login 1479 my $f = new_from_file cf::object::thawer path $login
1352 or return; 1480 or return;
1353 1481
1354 my $pl = cf::player::load_pl $f 1482 my $pl = cf::player::load_pl $f
1355 or return; 1483 or return;
1484
1356 local $cf::PLAYER_LOADING{$login} = $pl; 1485 local $cf::PLAYER_LOADING{$login} = $pl;
1357 $f->resolve_delayed_derefs; 1486 $f->resolve_delayed_derefs;
1358 $cf::PLAYER{$login} = $pl 1487 $cf::PLAYER{$login} = $pl
1359 } 1488 }
1360 } 1489 }
1370 1499
1371 return if $pl->{deny_save}; 1500 return if $pl->{deny_save};
1372 1501
1373 aio_mkdir playerdir $pl, 0770; 1502 aio_mkdir playerdir $pl, 0770;
1374 $pl->{last_save} = $cf::RUNTIME; 1503 $pl->{last_save} = $cf::RUNTIME;
1504
1505 cf::get_slot 0.01;
1375 1506
1376 $pl->save_pl ($path); 1507 $pl->save_pl ($path);
1377 cf::cede_to_tick; 1508 cf::cede_to_tick;
1378} 1509}
1379 1510
1411 my ($pl) = @_; 1542 my ($pl) = @_;
1412 1543
1413 my $name = $pl->ob->name; 1544 my $name = $pl->ob->name;
1414 1545
1415 $pl->{deny_save} = 1; 1546 $pl->{deny_save} = 1;
1416 $pl->password ("*"); # this should lock out the player until we nuked the dir 1547 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1417 1548
1418 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1549 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1419 $pl->deactivate; 1550 $pl->deactivate;
1551 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552 $pl->ob->check_score;
1420 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1553 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1421 $pl->ns->destroy if $pl->ns; 1554 $pl->ns->destroy if $pl->ns;
1422 1555
1423 my $path = playerdir $pl; 1556 my $path = playerdir $pl;
1424 my $temp = "$path~$cf::RUNTIME~deleting~"; 1557 my $temp = "$path~$cf::RUNTIME~deleting~";
1463 1596
1464 for my $login (@$dirs) { 1597 for my $login (@$dirs) {
1465 my $path = path $login; 1598 my $path = path $login;
1466 1599
1467 # a .pst is a dead give-away for a valid player 1600 # a .pst is a dead give-away for a valid player
1468 unless (-e "$path.pst") { 1601 # if no pst file found, open and chekc for blocked users
1602 if (aio_stat "$path.pst") {
1469 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1603 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470 aio_read $fh, 0, 512, my $buf, 0 or next; 1604 aio_read $fh, 0, 512, my $buf, 0 or next;
1471 $buf !~ /^password -------------$/m or next; # official not-valid tag 1605 $buf !~ /^password -------------$/m or next; # official not-valid tag
1472 } 1606 }
1473 1607
1504 } 1638 }
1505 1639
1506 \@paths 1640 \@paths
1507} 1641}
1508 1642
1509=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1643=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510 1644
1511Expand crossfire pod fragments into protocol xml. 1645Expand deliantra pod fragments into protocol xml.
1512
1513=cut
1514
1515sub expand_cfpod {
1516 ((my $self), (local $_)) = @_;
1517
1518 # escape & and <
1519 s/&/&amp;/g;
1520 s/(?<![BIUGHT])</&lt;/g;
1521
1522 # this is buggy, it needs to properly take care of nested <'s
1523
1524 1 while
1525 # replace B<>, I<>, U<> etc.
1526 s/B<([^\>]*)>/<b>$1<\/b>/
1527 || s/I<([^\>]*)>/<i>$1<\/i>/
1528 || s/U<([^\>]*)>/<u>$1<\/u>/
1529 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530 # replace G<male|female> tags
1531 || s{G<([^>|]*)\|([^>]*)>}{
1532 $self->gender ? $2 : $1
1533 }ge
1534 # replace H<hint text>
1535 || s{H<([^\>]*)>}
1536 {
1537 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539 "")
1540 [$self->{hintmode}]
1541 }ge;
1542
1543 # create single paragraphs (very hackish)
1544 s/(?<=\S)\n(?=\w)/ /g;
1545
1546 # compress some whitespace
1547 s/\s+\n/\n/g; # ws line-ends
1548 s/\n\n+/\n/g; # double lines
1549 s/^\n+//; # beginning lines
1550 s/\n+$//; # ending lines
1551
1552 $_
1553}
1554
1555sub hintmode {
1556 $_[0]{hintmode} = $_[1] if @_ > 1;
1557 $_[0]{hintmode}
1558}
1559 1646
1560=item $player->ext_reply ($msgid, @msg) 1647=item $player->ext_reply ($msgid, @msg)
1561 1648
1562Sends an ext reply to the player. 1649Sends an ext reply to the player.
1563 1650
1630our $MAX_RESET = 3600; 1717our $MAX_RESET = 3600;
1631our $DEFAULT_RESET = 3000; 1718our $DEFAULT_RESET = 3000;
1632 1719
1633sub generate_random_map { 1720sub generate_random_map {
1634 my ($self, $rmp) = @_; 1721 my ($self, $rmp) = @_;
1722
1723 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1724
1635 # mit "rum" bekleckern, nicht 1725 # mit "rum" bekleckern, nicht
1636 $self->_create_random_map ( 1726 $self->_create_random_map (
1637 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1727 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1728 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1729 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1761 1851
1762# the temporary/swap location 1852# the temporary/swap location
1763sub save_path { 1853sub save_path {
1764 my ($self) = @_; 1854 my ($self) = @_;
1765 1855
1766 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1856 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767 "$TMPDIR/$path.map" 1857 "$TMPDIR/$path.map"
1768} 1858}
1769 1859
1770# the unique path, undef == no special unique path 1860# the unique path, undef == no special unique path
1771sub uniq_path { 1861sub uniq_path {
1772 my ($self) = @_; 1862 my ($self) = @_;
1773 1863
1774 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1864 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775 "$UNIQUEDIR/$path" 1865 "$UNIQUEDIR/$path"
1776} 1866}
1777 1867
1778# and all this just because we cannot iterate over 1868# and all this just because we cannot iterate over
1779# all maps in C++... 1869# all maps in C++...
1877 1967
1878 cf::lock_wait "map_data:$path";#d#remove 1968 cf::lock_wait "map_data:$path";#d#remove
1879 cf::lock_wait "map_find:$path"; 1969 cf::lock_wait "map_find:$path";
1880 1970
1881 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1882 my $guard1 = cf::lock_acquire "map_find:$path";
1883 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it 1972 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1973 my $guard2 = cf::lock_acquire "map_find:$path";
1884 1974
1885 my $map = new_from_path cf::map $path 1975 my $map = new_from_path cf::map $path
1886 or return; 1976 or return;
1887 1977
1888 $map->{last_save} = $cf::RUNTIME; 1978 $map->{last_save} = $cf::RUNTIME;
1891 or return; 1981 or return;
1892 1982
1893 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1983 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894 # doing this can freeze the server in a sync job, obviously 1984 # doing this can freeze the server in a sync job, obviously
1895 #$cf::WAIT_FOR_TICK->wait; 1985 #$cf::WAIT_FOR_TICK->wait;
1986 undef $guard2;
1896 undef $guard1; 1987 undef $guard1;
1897 undef $guard2;
1898 $map->reset; 1988 $map->reset;
1899 return find $path; 1989 return find $path;
1900 } 1990 }
1901 1991
1902 $cf::MAP{$path} = $map 1992 $cf::MAP{$path} = $map
1929 my $f = new_from_file cf::object::thawer $self->{load_path}; 2019 my $f = new_from_file cf::object::thawer $self->{load_path};
1930 $f->skip_block; 2020 $f->skip_block;
1931 $self->_load_objects ($f) 2021 $self->_load_objects ($f)
1932 or return; 2022 or return;
1933 2023
1934 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2024 $self->post_load_original
1935 if delete $self->{load_original}; 2025 if delete $self->{load_original};
1936 2026
1937 if (my $uniq = $self->uniq_path) { 2027 if (my $uniq = $self->uniq_path) {
1938 utf8::encode $uniq; 2028 utf8::encode $uniq;
1939 unless (aio_stat $uniq) { 2029 unless (aio_stat $uniq) {
1965 } 2055 }
1966 2056
1967 $self->{last_save} = $cf::RUNTIME; 2057 $self->{last_save} = $cf::RUNTIME;
1968 $self->last_access ($cf::RUNTIME); 2058 $self->last_access ($cf::RUNTIME);
1969 2059
1970 $self->in_memory (cf::MAP_IN_MEMORY); 2060 $self->in_memory (cf::MAP_ACTIVE);
1971 } 2061 }
1972 2062
1973 $self->post_load; 2063 $self->post_load;
1974} 2064}
1975 2065
2033 my ($path, $origin, $load) = @_; 2123 my ($path, $origin, $load) = @_;
2034 2124
2035 $path = normalise $path, $origin && $origin->{path}; 2125 $path = normalise $path, $origin && $origin->{path};
2036 2126
2037 if (my $map = $cf::MAP{$path}) { 2127 if (my $map = $cf::MAP{$path}) {
2038 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2128 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039 } 2129 }
2040 2130
2041 $MAP_PREFETCH{$path} |= $load; 2131 $MAP_PREFETCH{$path} |= $load;
2042 2132
2043 $MAP_PREFETCHER ||= cf::async { 2133 $MAP_PREFETCHER ||= cf::async {
2080 cf::async { 2170 cf::async {
2081 $Coro::current->{desc} = "map player save"; 2171 $Coro::current->{desc} = "map player save";
2082 $_->contr->save for $self->players; 2172 $_->contr->save for $self->players;
2083 }; 2173 };
2084 2174
2175 cf::get_slot 0.02;
2176
2085 if ($uniq) { 2177 if ($uniq) {
2086 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2178 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2179 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2088 } else { 2180 } else {
2089 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2181 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2097 $self->save; 2189 $self->save;
2098 2190
2099 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2191 my $lock = cf::lock_acquire "map_data:$self->{path}";
2100 2192
2101 return if $self->players; 2193 return if $self->players;
2102 return if $self->in_memory != cf::MAP_IN_MEMORY; 2194 return if $self->in_memory != cf::MAP_ACTIVE;
2103 return if $self->{deny_save}; 2195 return if $self->{deny_save};
2104 2196
2105 $self->in_memory (cf::MAP_SWAPPED); 2197 $self->in_memory (cf::MAP_SWAPPED);
2106 2198
2107 $self->deactivate; 2199 $self->deactivate;
2225 2317
2226sub unique_maps() { 2318sub unique_maps() {
2227 [ 2319 [
2228 map { 2320 map {
2229 utf8::decode $_; 2321 utf8::decode $_;
2230 /\.map$/ 2322 s/\.map$//; # TODO future compatibility hack
2323 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2324 ? ()
2231 ? normalise $_ 2325 : normalise $_
2232 : ()
2233 } @{ aio_readdir $UNIQUEDIR or [] } 2326 } @{ aio_readdir $UNIQUEDIR or [] }
2234 ] 2327 ]
2235} 2328}
2236 2329
2237package cf;
2238
2239=back 2330=back
2240 2331
2241=head3 cf::object 2332=head3 cf::object
2242 2333
2243=cut 2334=cut
2246 2337
2247=over 4 2338=over 4
2248 2339
2249=item $ob->inv_recursive 2340=item $ob->inv_recursive
2250 2341
2251Returns the inventory of the object _and_ their inventories, recursively. 2342Returns the inventory of the object I<and> their inventories, recursively,
2343but I<not> the object itself.
2252 2344
2253=cut 2345=cut
2254 2346
2255sub inv_recursive_; 2347sub inv_recursive_;
2256sub inv_recursive_ { 2348sub inv_recursive_ {
2261 inv_recursive_ inv $_[0] 2353 inv_recursive_ inv $_[0]
2262} 2354}
2263 2355
2264=item $ref = $ob->ref 2356=item $ref = $ob->ref
2265 2357
2266creates and returns a persistent reference to an objetc that can be stored as a string. 2358Creates and returns a persistent reference to an object that can be stored as a string.
2267 2359
2268=item $ob = cf::object::deref ($refstring) 2360=item $ob = cf::object::deref ($refstring)
2269 2361
2270returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2362returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271even if the object actually exists. May block. 2363even if the object actually exists. May block.
2303can be C<undef>. Does the right thing when the player is currently in a 2395can be C<undef>. Does the right thing when the player is currently in a
2304dialogue with the given NPC character. 2396dialogue with the given NPC character.
2305 2397
2306=cut 2398=cut
2307 2399
2400our $SAY_CHANNEL = {
2401 id => "say",
2402 title => "Map",
2403 reply => "say ",
2404 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2405};
2406
2407our $CHAT_CHANNEL = {
2408 id => "chat",
2409 title => "Chat",
2410 reply => "chat ",
2411 tooltip => "Player chat and shouts, global to the server.",
2412};
2413
2308# rough implementation of a future "reply" method that works 2414# rough implementation of a future "reply" method that works
2309# with dialog boxes. 2415# with dialog boxes.
2310#TODO: the first argument must go, split into a $npc->reply_to ( method 2416#TODO: the first argument must go, split into a $npc->reply_to ( method
2311sub cf::object::player::reply($$$;$) { 2417sub cf::object::player::reply($$$;$) {
2312 my ($self, $npc, $msg, $flags) = @_; 2418 my ($self, $npc, $msg, $flags) = @_;
2323 my $dialog = $pl->{npc_dialog}; 2429 my $dialog = $pl->{npc_dialog};
2324 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2325 2431
2326 } else { 2432 } else {
2327 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
2328 $self->message ($msg, $flags); 2434 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2329 } 2435 }
2330 } 2436 }
2331} 2437}
2332 2438
2333=item $object->send_msg ($channel, $msg, $color, [extra...]) 2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2358 2464
2359=item $player_object->enter_link 2465=item $player_object->enter_link
2360 2466
2361Freezes the player and moves him/her to a special map (C<{link}>). 2467Freezes the player and moves him/her to a special map (C<{link}>).
2362 2468
2363The player should be reasonably safe there for short amounts of time. You 2469The player should be reasonably safe there for short amounts of time (e.g.
2364I<MUST> call C<leave_link> as soon as possible, though. 2470for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471though, as the palyer cannot control the character while it is on the link
2472map.
2365 2473
2366Will never block. 2474Will never block.
2367 2475
2368=item $player_object->leave_link ($map, $x, $y) 2476=item $player_object->leave_link ($map, $x, $y)
2369 2477
2427 2535
2428 $map->load; 2536 $map->load;
2429 $map->load_neighbours; 2537 $map->load_neighbours;
2430 2538
2431 return unless $self->contr->active; 2539 return unless $self->contr->active;
2540 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2432 $self->activate_recursive; 2541 $self->activate_recursive;
2433 2542
2434 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2543 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2435 $self->enter_map ($map, $x, $y); 2544 $self->enter_map ($map, $x, $y);
2436} 2545}
2440Moves the player to the given map-path and coordinates by first freezing 2549Moves the player to the given map-path and coordinates by first freezing
2441her, loading and preparing them map, calling the provided $check callback 2550her, loading and preparing them map, calling the provided $check callback
2442that has to return the map if sucecssful, and then unfreezes the player on 2551that has to return the map if sucecssful, and then unfreezes the player on
2443the new (success) or old (failed) map position. In either case, $done will 2552the new (success) or old (failed) map position. In either case, $done will
2444be called at the end of this process. 2553be called at the end of this process.
2554
2555Note that $check will be called with a potentially non-loaded map, so if
2556it needs a loaded map it has to call C<< ->load >>.
2445 2557
2446=cut 2558=cut
2447 2559
2448our $GOTOGEN; 2560our $GOTOGEN;
2449 2561
2528} 2640}
2529 2641
2530sub prepare_random_map { 2642sub prepare_random_map {
2531 my ($exit) = @_; 2643 my ($exit) = @_;
2532 2644
2533 my $guard = cf::lock_acquire "exit_prepare:$exit";
2534
2535 # all this does is basically replace the /! path by 2645 # all this does is basically replace the /! path by
2536 # a new random map path (?random/...) with a seed 2646 # a new random map path (?random/...) with a seed
2537 # that depends on the exit object 2647 # that depends on the exit object
2538 2648
2539 my $rmp = parse_random_map_params $exit->msg; 2649 my $rmp = parse_random_map_params $exit->msg;
2541 if ($exit->map) { 2651 if ($exit->map) {
2542 $rmp->{region} = $exit->region->name; 2652 $rmp->{region} = $exit->region->name;
2543 $rmp->{origin_map} = $exit->map->path; 2653 $rmp->{origin_map} = $exit->map->path;
2544 $rmp->{origin_x} = $exit->x; 2654 $rmp->{origin_x} = $exit->x;
2545 $rmp->{origin_y} = $exit->y; 2655 $rmp->{origin_y} = $exit->y;
2656
2657 $exit->map->touch;
2546 } 2658 }
2547 2659
2548 $rmp->{random_seed} ||= $exit->random_seed; 2660 $rmp->{random_seed} ||= $exit->random_seed;
2549 2661
2550 my $data = cf::to_json $rmp; 2662 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2551 my $md5 = Digest::MD5::md5_hex $data; 2663 my $md5 = Digest::MD5::md5_hex $data;
2552 my $meta = "$RANDOMDIR/$md5.meta"; 2664 my $meta = "$RANDOMDIR/$md5.meta";
2553 2665
2554 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2666 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2555 aio_write $fh, 0, (length $data), $data, 0; 2667 aio_write $fh, 0, (length $data), $data, 0;
2556 undef $fh; 2668 undef $fh;
2557 aio_rename "$meta~", $meta; 2669 aio_rename "$meta~", $meta;
2558 2670
2671 my $slaying = "?random/$md5";
2672
2673 if ($exit->valid) {
2559 $exit->slaying ("?random/$md5"); 2674 $exit->slaying ("?random/$md5");
2560 $exit->msg (undef); 2675 $exit->msg (undef);
2676 }
2561 } 2677 }
2562} 2678}
2563 2679
2564sub cf::object::player::enter_exit { 2680sub cf::object::player::enter_exit {
2565 my ($self, $exit) = @_; 2681 my ($self, $exit) = @_;
2566 2682
2567 return unless $self->type == cf::PLAYER; 2683 return unless $self->type == cf::PLAYER;
2568 2684
2569 if ($exit->slaying eq "/!") {
2570 #TODO: this should de-fi-ni-te-ly not be a sync-job
2571 # the problem is that $exit might not survive long enough
2572 # so it needs to be done right now, right here
2573 cf::sync_job { prepare_random_map $exit };
2574 }
2575
2576 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2577 my $hp = $exit->stats->hp;
2578 my $sp = $exit->stats->sp;
2579
2580 $self->enter_link; 2685 $self->enter_link;
2581 2686
2582 # if exit is damned, update players death & WoR home-position
2583 $self->contr->savebed ($slaying, $hp, $sp)
2584 if $exit->flag (FLAG_DAMNED);
2585
2586 (async { 2687 (async {
2587 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2688 $Coro::current->{desc} = "enter_exit";
2588 2689
2589 $self->deactivate_recursive; # just to be sure
2590 unless (eval { 2690 unless (eval {
2691 $self->deactivate_recursive; # just to be sure
2692
2693 # random map handling
2694 {
2695 my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697 prepare_random_map $exit
2698 if $exit->slaying eq "/!";
2699 }
2700
2701 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2702 my $x = $exit->stats->hp;
2703 my $y = $exit->stats->sp;
2704
2591 $self->goto ($slaying, $hp, $sp); 2705 $self->goto ($map, $x, $y);
2592 2706
2707 # if exit is damned, update players death & WoR home-position
2708 $self->contr->savebed ($map, $x, $y)
2709 if $exit->flag (cf::FLAG_DAMNED);
2710
2593 1; 2711 1
2594 }) { 2712 }) {
2595 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2596 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2597 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2598 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2599 2717
2600 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
2628the message, with C<log> being the default. If C<$color> is negative, suppress 2746the message, with C<log> being the default. If C<$color> is negative, suppress
2629the message unless the client supports the msg packet. 2747the message unless the client supports the msg packet.
2630 2748
2631=cut 2749=cut
2632 2750
2751# non-persistent channels (usually the info channel)
2633our %CHANNEL = ( 2752our %CHANNEL = (
2634 "c/identify" => { 2753 "c/identify" => {
2635 id => "infobox", 2754 id => "infobox",
2636 title => "Identify", 2755 title => "Identify",
2637 reply => undef, 2756 reply => undef,
2641 id => "infobox", 2760 id => "infobox",
2642 title => "Examine", 2761 title => "Examine",
2643 reply => undef, 2762 reply => undef,
2644 tooltip => "Signs and other items you examined", 2763 tooltip => "Signs and other items you examined",
2645 }, 2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2646 "c/lookat" => { 2771 "c/lookat" => {
2647 id => "infobox", 2772 id => "infobox",
2648 title => "Look", 2773 title => "Look",
2649 reply => undef, 2774 reply => undef,
2650 tooltip => "What you saw there", 2775 tooltip => "What you saw there",
2651 }, 2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/uptime" => {
2790 id => "infobox",
2791 title => "Uptime",
2792 reply => undef,
2793 tooltip => "How long the server has been running since last restart",
2794 },
2795 "c/mapinfo" => {
2796 id => "infobox",
2797 title => "Map Info",
2798 reply => undef,
2799 tooltip => "Information related to the maps",
2800 },
2801 "c/party" => {
2802 id => "party",
2803 title => "Party",
2804 reply => "gsay ",
2805 tooltip => "Messages and chat related to your party",
2806 },
2652); 2807);
2653 2808
2654sub cf::client::send_msg { 2809sub cf::client::send_msg {
2655 my ($self, $channel, $msg, $color, @extra) = @_; 2810 my ($self, $channel, $msg, $color, @extra) = @_;
2656 2811
2657 $msg = $self->pl->expand_cfpod ($msg); 2812 $msg = $self->pl->expand_cfpod ($msg)
2813 unless $color & cf::NDI_VERBATIM;
2658 2814
2659 $color &= cf::NDI_CLIENT_MASK; # just in case... 2815 $color &= cf::NDI_CLIENT_MASK; # just in case...
2660 2816
2661 # check predefined channels, for the benefit of C 2817 # check predefined channels, for the benefit of C
2662 if ($CHANNEL{$channel}) { 2818 if ($CHANNEL{$channel}) {
2683 if ($self->can_msg) { 2839 if ($self->can_msg) {
2684 # default colour, mask it out 2840 # default colour, mask it out
2685 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2841 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2686 if $color & cf::NDI_DEF; 2842 if $color & cf::NDI_DEF;
2687 2843
2688 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2844 my $pkt = "msg "
2845 . $self->{json_coder}->encode (
2689 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2846 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847 );
2848
2849 # try lzf for large packets
2850 $pkt = "lzf " . Compress::LZF::compress $pkt
2851 if 1024 <= length $pkt and $self->{can_lzf};
2852
2853 # split very large packets
2854 if (8192 < length $pkt and $self->{can_lzf}) {
2855 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856 $pkt = "frag";
2857 }
2858
2859 $self->send_packet ($pkt);
2690 } else { 2860 } else {
2691 if ($color >= 0) { 2861 if ($color >= 0) {
2692 # replace some tags by gcfclient-compatible ones 2862 # replace some tags by gcfclient-compatible ones
2693 for ($msg) { 2863 for ($msg) {
2694 1 while 2864 1 while
2892=pod 3062=pod
2893 3063
2894The following functions and methods are available within a safe environment: 3064The following functions and methods are available within a safe environment:
2895 3065
2896 cf::object 3066 cf::object
2897 contr pay_amount pay_player map x y force_find force_add 3067 contr pay_amount pay_player map x y force_find force_add destroy
2898 insert remove name archname title slaying race decrease_ob_nr 3068 insert remove name archname title slaying race decrease split
2899 3069
2900 cf::object::player 3070 cf::object::player
2901 player 3071 player
2902 3072
2903 cf::player 3073 cf::player
2908 3078
2909=cut 3079=cut
2910 3080
2911for ( 3081for (
2912 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3082 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2913 insert remove inv name archname title slaying race 3083 insert remove inv nrof name archname title slaying race
2914 decrease_ob_nr)], 3084 decrease split destroy change_exp)],
2915 ["cf::object::player" => qw(player)], 3085 ["cf::object::player" => qw(player)],
2916 ["cf::player" => qw(peaceful)], 3086 ["cf::player" => qw(peaceful)],
2917 ["cf::map" => qw(trigger)], 3087 ["cf::map" => qw(trigger)],
2918) { 3088) {
2919 no strict 'refs'; 3089 no strict 'refs';
3024 { 3194 {
3025 my $faces = $facedata->{faceinfo}; 3195 my $faces = $facedata->{faceinfo};
3026 3196
3027 while (my ($face, $info) = each %$faces) { 3197 while (my ($face, $info) = each %$faces) {
3028 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3198 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199
3029 cf::face::set_visibility $idx, $info->{visibility}; 3200 cf::face::set_visibility $idx, $info->{visibility};
3030 cf::face::set_magicmap $idx, $info->{magicmap}; 3201 cf::face::set_magicmap $idx, $info->{magicmap};
3031 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3202 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3032 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3203 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3033 3204
3034 cf::cede_to_tick; 3205 cf::cede_to_tick;
3035 } 3206 }
3036 3207
3037 while (my ($face, $info) = each %$faces) { 3208 while (my ($face, $info) = each %$faces) {
3038 next unless $info->{smooth}; 3209 next unless $info->{smooth};
3210
3039 my $idx = cf::face::find $face 3211 my $idx = cf::face::find $face
3040 or next; 3212 or next;
3213
3041 if (my $smooth = cf::face::find $info->{smooth}) { 3214 if (my $smooth = cf::face::find $info->{smooth}) {
3042 cf::face::set_smooth $idx, $smooth; 3215 cf::face::set_smooth $idx, $smooth;
3043 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3216 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3044 } else { 3217 } else {
3045 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3218 warn "smooth face '$info->{smooth}' not found for face '$face'";
3063 { 3236 {
3064 # TODO: for gcfclient pleasure, we should give resources 3237 # TODO: for gcfclient pleasure, we should give resources
3065 # that gcfclient doesn't grok a >10000 face index. 3238 # that gcfclient doesn't grok a >10000 face index.
3066 my $res = $facedata->{resource}; 3239 my $res = $facedata->{resource};
3067 3240
3068 my $soundconf = delete $res->{"res/sound.conf"};
3069
3070 while (my ($name, $info) = each %$res) { 3241 while (my ($name, $info) = each %$res) {
3242 if (defined $info->{type}) {
3071 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3243 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3072 my $data; 3244 my $data;
3073 3245
3074 if ($info->{type} & 1) { 3246 if ($info->{type} & 1) {
3075 # prepend meta info 3247 # prepend meta info
3076 3248
3077 my $meta = $enc->encode ({ 3249 my $meta = $enc->encode ({
3078 name => $name, 3250 name => $name,
3079 %{ $info->{meta} || {} }, 3251 %{ $info->{meta} || {} },
3080 }); 3252 });
3081 3253
3082 $data = pack "(w/a*)*", $meta, $info->{data}; 3254 $data = pack "(w/a*)*", $meta, $info->{data};
3255 } else {
3256 $data = $info->{data};
3257 }
3258
3259 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260 cf::face::set_type $idx, $info->{type};
3083 } else { 3261 } else {
3084 $data = $info->{data}; 3262 $RESOURCE{$name} = $info;
3085 } 3263 }
3086 3264
3087 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3088 cf::face::set_type $idx, $info->{type};
3089
3090 cf::cede_to_tick; 3265 cf::cede_to_tick;
3091 } 3266 }
3092
3093 if ($soundconf) {
3094 $soundconf = $enc->decode (delete $soundconf->{data});
3095
3096 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3097 my $sound = $soundconf->{compat}[$_]
3098 or next;
3099
3100 my $face = cf::face::find "sound/$sound->[1]";
3101 cf::sound::set $sound->[0] => $face;
3102 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3103 }
3104
3105 while (my ($k, $v) = each %{$soundconf->{event}}) {
3106 my $face = cf::face::find "sound/$v";
3107 cf::sound::set $k => $face;
3108 }
3109 }
3110 } 3267 }
3268
3269 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3111 3270
3112 1 3271 1
3113} 3272}
3273
3274cf::global->attach (on_resource_update => sub {
3275 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279 my $sound = $soundconf->{compat}[$_]
3280 or next;
3281
3282 my $face = cf::face::find "sound/$sound->[1]";
3283 cf::sound::set $sound->[0] => $face;
3284 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285 }
3286
3287 while (my ($k, $v) = each %{$soundconf->{event}}) {
3288 my $face = cf::face::find "sound/$v";
3289 cf::sound::set $k => $face;
3290 }
3291 }
3292});
3114 3293
3115register_exticmd fx_want => sub { 3294register_exticmd fx_want => sub {
3116 my ($ns, $want) = @_; 3295 my ($ns, $want) = @_;
3117 3296
3118 while (my ($k, $v) = each %$want) { 3297 while (my ($k, $v) = each %$want) {
3119 $ns->fx_want ($k, $v); 3298 $ns->fx_want ($k, $v);
3120 } 3299 }
3121}; 3300};
3301
3302sub load_resource_file($) {
3303 my $guard = lock_acquire "load_resource_file";
3304
3305 my $status = load_resource_file_ $_[0];
3306 get_slot 0.1, 100;
3307 cf::arch::commit_load;
3308
3309 $status
3310}
3122 3311
3123sub reload_regions { 3312sub reload_regions {
3124 # HACK to clear player env face cache, we need some signal framework 3313 # HACK to clear player env face cache, we need some signal framework
3125 # for this (global event?) 3314 # for this (global event?)
3126 %ext::player_env::MUSIC_FACE_CACHE = (); 3315 %ext::player_env::MUSIC_FACE_CACHE = ();
3140} 3329}
3141 3330
3142sub reload_archetypes { 3331sub reload_archetypes {
3143 load_resource_file "$DATADIR/archetypes" 3332 load_resource_file "$DATADIR/archetypes"
3144 or die "unable to load archetypes\n"; 3333 or die "unable to load archetypes\n";
3145 #d# NEED to laod twice to resolve forward references
3146 # this really needs to be done in an extra post-pass
3147 # (which needs to be synchronous, so solve it differently)
3148 load_resource_file "$DATADIR/archetypes"
3149 or die "unable to load archetypes\n";
3150} 3334}
3151 3335
3152sub reload_treasures { 3336sub reload_treasures {
3153 load_resource_file "$DATADIR/treasures" 3337 load_resource_file "$DATADIR/treasures"
3154 or die "unable to load treasurelists\n"; 3338 or die "unable to load treasurelists\n";
3155} 3339}
3156 3340
3157sub reload_resources { 3341sub reload_resources {
3158 warn "reloading resource files...\n"; 3342 warn "reloading resource files...\n";
3159 3343
3344 reload_facedata;
3345 reload_archetypes;
3160 reload_regions; 3346 reload_regions;
3161 reload_facedata;
3162 #reload_archetypes;#d#
3163 reload_archetypes;
3164 reload_treasures; 3347 reload_treasures;
3165 3348
3166 warn "finished reloading resource files\n"; 3349 warn "finished reloading resource files\n";
3167} 3350}
3168 3351
3169sub init { 3352sub init {
3353 my $guard = freeze_mainloop;
3354
3355 evthread_start IO::AIO::poll_fileno;
3356
3170 reload_resources; 3357 reload_resources;
3171} 3358}
3172 3359
3173sub reload_config { 3360sub reload_config {
3174 open my $fh, "<:utf8", "$CONFDIR/config" 3361 open my $fh, "<:utf8", "$CONFDIR/config"
3175 or return; 3362 or return;
3176 3363
3177 local $/; 3364 local $/;
3178 *CFG = YAML::Syck::Load <$fh>; 3365 *CFG = YAML::Load <$fh>;
3179 3366
3180 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3367 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3181 3368
3182 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3369 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3183 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3370 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3189 }; 3376 };
3190 warn $@ if $@; 3377 warn $@ if $@;
3191 } 3378 }
3192} 3379}
3193 3380
3381sub pidfile() {
3382 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3383 or die "$PIDFILE: $!";
3384 flock $fh, &Fcntl::LOCK_EX
3385 or die "$PIDFILE: flock: $!";
3386 $fh
3387}
3388
3389# make sure only one server instance is running at any one time
3390sub atomic {
3391 my $fh = pidfile;
3392
3393 my $pid = <$fh>;
3394 kill 9, $pid if $pid > 0;
3395
3396 seek $fh, 0, 0;
3397 print $fh $$;
3398}
3399
3194sub main { 3400sub main {
3401 atomic;
3402
3195 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
3196 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
3197 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3198 (async { 3406 (async {
3199 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
3200 Event::one_event; 3408 EV::loop EV::LOOP_ONESHOT;
3201 })->prio (Coro::PRIO_MAX); 3409 })->prio (Coro::PRIO_MAX);
3202 }; 3410 };
3203 3411
3412 {
3413 my $guard = freeze_mainloop;
3204 reload_config; 3414 reload_config;
3205 db_init; 3415 db_init;
3206 load_extensions; 3416 load_extensions;
3207 3417
3208 $TICK_WATCHER->start; 3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419 }
3420
3421 utime time, time, $RUNTIMEFILE;
3422
3423 # no (long-running) fork's whatsoever before this point(!)
3424 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425
3209 Event::loop; 3426 EV::loop;
3210} 3427}
3211 3428
3212############################################################################# 3429#############################################################################
3213# initialisation and cleanup 3430# initialisation and cleanup
3214 3431
3215# install some emergency cleanup handlers 3432# install some emergency cleanup handlers
3216BEGIN { 3433BEGIN {
3434 our %SIGWATCHER = ();
3217 for my $signal (qw(INT HUP TERM)) { 3435 for my $signal (qw(INT HUP TERM)) {
3218 Event->signal ( 3436 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3219 reentrant => 0,
3220 data => WF_AUTOCANCEL,
3221 signal => $signal,
3222 prio => 0,
3223 cb => sub {
3224 cf::cleanup "SIG$signal"; 3437 cf::cleanup "SIG$signal";
3225 },
3226 ); 3438 };
3227 } 3439 }
3228} 3440}
3229 3441
3230sub write_runtime { 3442sub write_runtime_sync {
3231 my $runtime = "$LOCALDIR/runtime";
3232
3233 # first touch the runtime file to show we are still running: 3443 # first touch the runtime file to show we are still running:
3234 # the fsync below can take a very very long time. 3444 # the fsync below can take a very very long time.
3235 3445
3236 IO::AIO::aio_utime $runtime, undef, undef; 3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3237 3447
3238 my $guard = cf::lock_acquire "write_runtime"; 3448 my $guard = cf::lock_acquire "write_runtime";
3239 3449
3240 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3241 or return; 3451 or return;
3242 3452
3243 my $value = $cf::RUNTIME + 90 + 10; 3453 my $value = $cf::RUNTIME + 90 + 10;
3244 # 10 is the runtime save interval, for a monotonic clock 3454 # 10 is the runtime save interval, for a monotonic clock
3245 # 60 allows for the watchdog to kill the server. 3455 # 60 allows for the watchdog to kill the server.
3255 aio_utime $fh, undef, undef; 3465 aio_utime $fh, undef, undef;
3256 3466
3257 close $fh 3467 close $fh
3258 or return; 3468 or return;
3259 3469
3260 aio_rename "$runtime~", $runtime 3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3261 and return; 3471 and return;
3262 3472
3263 warn "runtime file written.\n"; 3473 warn "runtime file written.\n";
3264 3474
3265 1 3475 1
3476}
3477
3478our $uuid_lock;
3479our $uuid_skip;
3480
3481sub write_uuid_sync($) {
3482 $uuid_skip ||= $_[0];
3483
3484 return if $uuid_lock;
3485 local $uuid_lock = 1;
3486
3487 my $uuid = "$LOCALDIR/uuid";
3488
3489 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490 or return;
3491
3492 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3493 $uuid_skip = 0;
3494
3495 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3496 and return;
3497
3498 # always fsync - this file is important
3499 aio_fsync $fh
3500 and return;
3501
3502 close $fh
3503 or return;
3504
3505 aio_rename "$uuid~", $uuid
3506 and return;
3507
3508 warn "uuid file written ($value).\n";
3509
3510 1
3511
3512}
3513
3514sub write_uuid($$) {
3515 my ($skip, $sync) = @_;
3516
3517 $sync ? write_uuid_sync $skip
3518 : async { write_uuid_sync $skip };
3266} 3519}
3267 3520
3268sub emergency_save() { 3521sub emergency_save() {
3269 my $freeze_guard = cf::freeze_mainloop; 3522 my $freeze_guard = cf::freeze_mainloop;
3270 3523
3276 # and maps saved/destroyed asynchronously. 3529 # and maps saved/destroyed asynchronously.
3277 warn "begin emergency player save\n"; 3530 warn "begin emergency player save\n";
3278 for my $login (keys %cf::PLAYER) { 3531 for my $login (keys %cf::PLAYER) {
3279 my $pl = $cf::PLAYER{$login} or next; 3532 my $pl = $cf::PLAYER{$login} or next;
3280 $pl->valid or next; 3533 $pl->valid or next;
3534 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3281 $pl->save; 3535 $pl->save;
3282 } 3536 }
3283 warn "end emergency player save\n"; 3537 warn "end emergency player save\n";
3284 3538
3285 warn "begin emergency map save\n"; 3539 warn "begin emergency map save\n";
3291 warn "end emergency map save\n"; 3545 warn "end emergency map save\n";
3292 3546
3293 warn "begin emergency database checkpoint\n"; 3547 warn "begin emergency database checkpoint\n";
3294 BDB::db_env_txn_checkpoint $DB_ENV; 3548 BDB::db_env_txn_checkpoint $DB_ENV;
3295 warn "end emergency database checkpoint\n"; 3549 warn "end emergency database checkpoint\n";
3550
3551 warn "begin write uuid\n";
3552 write_uuid_sync 1;
3553 warn "end write uuid\n";
3296 }; 3554 };
3297 3555
3298 warn "leave emergency perl save\n"; 3556 warn "leave emergency perl save\n";
3299} 3557}
3300 3558
3301sub post_cleanup { 3559sub post_cleanup {
3302 my ($make_core) = @_; 3560 my ($make_core) = @_;
3303 3561
3304 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
3305 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
3306} 3567}
3568
3569# a safer delete_package, copied from Symbol
3570sub clear_package($) {
3571 my $pkg = shift;
3572
3573 # expand to full symbol table name if needed
3574 unless ($pkg =~ /^main::.*::$/) {
3575 $pkg = "main$pkg" if $pkg =~ /^::/;
3576 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3577 $pkg .= '::' unless $pkg =~ /::$/;
3578 }
3579
3580 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3581 my $stem_symtab = *{$stem}{HASH};
3582
3583 defined $stem_symtab and exists $stem_symtab->{$leaf}
3584 or return;
3585
3586 # clear all symbols
3587 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588 for my $name (keys %$leaf_symtab) {
3589 _gv_clear *{"$pkg$name"};
3590# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591 }
3592 warn "cleared package #$pkg\n";#d#
3593}
3594
3595our $RELOAD; # how many times to reload
3307 3596
3308sub do_reload_perl() { 3597sub do_reload_perl() {
3309 # can/must only be called in main 3598 # can/must only be called in main
3310 if ($Coro::current != $Coro::main) { 3599 if ($Coro::current != $Coro::main) {
3311 warn "can only reload from main coroutine"; 3600 warn "can only reload from main coroutine";
3312 return; 3601 return;
3313 } 3602 }
3314 3603
3604 return if $RELOAD++;
3605
3606 while ($RELOAD) {
3315 warn "reloading..."; 3607 warn "reloading...";
3316 3608
3317 warn "entering sync_job"; 3609 warn "entering sync_job";
3318 3610
3319 cf::sync_job { 3611 cf::sync_job {
3320 cf::write_runtime; # external watchdog should not bark 3612 cf::write_runtime_sync; # external watchdog should not bark
3321 cf::emergency_save; 3613 cf::emergency_save;
3322 cf::write_runtime; # external watchdog should not bark 3614 cf::write_runtime_sync; # external watchdog should not bark
3323 3615
3324 warn "syncing database to disk"; 3616 warn "syncing database to disk";
3325 BDB::db_env_txn_checkpoint $DB_ENV; 3617 BDB::db_env_txn_checkpoint $DB_ENV;
3326 3618
3327 # if anything goes wrong in here, we should simply crash as we already saved 3619 # if anything goes wrong in here, we should simply crash as we already saved
3328 3620
3329 warn "cancelling all WF_AUTOCANCEL watchers";
3330 for (Event::all_watchers) {
3331 $_->cancel if $_->data & WF_AUTOCANCEL;
3332 }
3333
3334 warn "flushing outstanding aio requests"; 3621 warn "flushing outstanding aio requests";
3335 for (;;) {
3336 BDB::flush;
3337 IO::AIO::flush;
3338 Coro::cede;
3339 last unless IO::AIO::nreqs || BDB::nreqs; 3622 while (IO::AIO::nreqs || BDB::nreqs) {
3340 warn "iterate..."; 3623 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3341 }
3342
3343 ++$RELOAD;
3344
3345 warn "cancelling all extension coros";
3346 $_->cancel for values %EXT_CORO;
3347 %EXT_CORO = ();
3348
3349 warn "removing commands";
3350 %COMMAND = ();
3351
3352 warn "removing ext/exti commands";
3353 %EXTCMD = ();
3354 %EXTICMD = ();
3355
3356 warn "unloading/nuking all extensions";
3357 for my $pkg (@EXTS) {
3358 warn "... unloading $pkg";
3359
3360 if (my $cb = $pkg->can ("unload")) {
3361 eval {
3362 $cb->($pkg);
3363 1
3364 } or warn "$pkg unloaded, but with errors: $@";
3365 } 3624 }
3366 3625
3367 warn "... nuking $pkg"; 3626 warn "cancelling all extension coros";
3368 Symbol::delete_package $pkg; 3627 $_->cancel for values %EXT_CORO;
3369 } 3628 %EXT_CORO = ();
3370 3629
3371 warn "unloading all perl modules loaded from $LIBDIR"; 3630 warn "removing commands";
3372 while (my ($k, $v) = each %INC) { 3631 %COMMAND = ();
3373 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3374 3632
3633 warn "removing ext/exti commands";
3634 %EXTCMD = ();
3635 %EXTICMD = ();
3636
3637 warn "unloading/nuking all extensions";
3638 for my $pkg (@EXTS) {
3375 warn "... unloading $k"; 3639 warn "... unloading $pkg";
3376 delete $INC{$k};
3377 3640
3378 $k =~ s/\.pm$//;
3379 $k =~ s/\//::/g;
3380
3381 if (my $cb = $k->can ("unload_module")) { 3641 if (my $cb = $pkg->can ("unload")) {
3642 eval {
3382 $cb->(); 3643 $cb->($pkg);
3644 1
3645 } or warn "$pkg unloaded, but with errors: $@";
3646 }
3647
3648 warn "... clearing $pkg";
3649 clear_package $pkg;
3383 } 3650 }
3384 3651
3385 Symbol::delete_package $k; 3652 warn "unloading all perl modules loaded from $LIBDIR";
3653 while (my ($k, $v) = each %INC) {
3654 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655
3656 warn "... unloading $k";
3657 delete $INC{$k};
3658
3659 $k =~ s/\.pm$//;
3660 $k =~ s/\//::/g;
3661
3662 if (my $cb = $k->can ("unload_module")) {
3663 $cb->();
3664 }
3665
3666 clear_package $k;
3386 } 3667 }
3387 3668
3388 warn "getting rid of safe::, as good as possible"; 3669 warn "getting rid of safe::, as good as possible";
3389 Symbol::delete_package "safe::$_" 3670 clear_package "safe::$_"
3390 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3671 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3391 3672
3392 warn "unloading cf.pm \"a bit\""; 3673 warn "unloading cf.pm \"a bit\"";
3393 delete $INC{"cf.pm"}; 3674 delete $INC{"cf.pm"};
3394 delete $INC{"cf/pod.pm"}; 3675 delete $INC{"cf/pod.pm"};
3395 3676
3396 # don't, removes xs symbols, too, 3677 # don't, removes xs symbols, too,
3397 # and global variables created in xs 3678 # and global variables created in xs
3398 #Symbol::delete_package __PACKAGE__; 3679 #clear_package __PACKAGE__;
3399 3680
3400 warn "unload completed, starting to reload now"; 3681 warn "unload completed, starting to reload now";
3401 3682
3402 warn "reloading cf.pm"; 3683 warn "reloading cf.pm";
3403 require cf; 3684 require cf;
3404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3685 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3405 3686
3406 warn "loading config and database again"; 3687 warn "loading config and database again";
3407 cf::reload_config; 3688 cf::reload_config;
3408 3689
3409 warn "loading extensions"; 3690 warn "loading extensions";
3410 cf::load_extensions; 3691 cf::load_extensions;
3411 3692
3412 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
3413 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
3414 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
3415 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
3416 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
3417 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
3418 3699
3419 warn "leaving sync_job"; 3700 warn "leaving sync_job";
3420 3701
3421 1 3702 1
3422 } or do { 3703 } or do {
3423 warn $@; 3704 warn $@;
3424 warn "error while reloading, exiting."; 3705 cf::cleanup "error while reloading, exiting.";
3425 exit 1;
3426 }; 3706 };
3427 3707
3428 warn "reloaded"; 3708 warn "reloaded";
3709 --$RELOAD;
3710 }
3429}; 3711};
3430 3712
3431our $RELOAD_WATCHER; # used only during reload 3713our $RELOAD_WATCHER; # used only during reload
3432 3714
3433sub reload_perl() { 3715sub reload_perl() {
3434 # doing reload synchronously and two reloads happen back-to-back, 3716 # doing reload synchronously and two reloads happen back-to-back,
3435 # coro crashes during coro_state_free->destroy here. 3717 # coro crashes during coro_state_free->destroy here.
3436 3718
3437 $RELOAD_WATCHER ||= Event->timer ( 3719 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3438 reentrant => 0,
3439 after => 0,
3440 data => WF_AUTOCANCEL,
3441 cb => sub {
3442 do_reload_perl; 3720 do_reload_perl;
3443 undef $RELOAD_WATCHER; 3721 undef $RELOAD_WATCHER;
3444 },
3445 ); 3722 };
3446} 3723}
3447 3724
3448register_command "reload" => sub { 3725register_command "reload" => sub {
3449 my ($who, $arg) = @_; 3726 my ($who, $arg) = @_;
3450 3727
3463 3740
3464our @WAIT_FOR_TICK; 3741our @WAIT_FOR_TICK;
3465our @WAIT_FOR_TICK_BEGIN; 3742our @WAIT_FOR_TICK_BEGIN;
3466 3743
3467sub wait_for_tick { 3744sub wait_for_tick {
3468 return unless $TICK_WATCHER->is_active;
3469 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
3470 3746
3471 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
3472 push @WAIT_FOR_TICK, $signal; 3748 push @WAIT_FOR_TICK, $signal;
3473 $signal->wait; 3749 $signal->wait;
3474} 3750}
3475 3751
3476sub wait_for_tick_begin { 3752sub wait_for_tick_begin {
3477 return unless $TICK_WATCHER->is_active;
3478 return if $Coro::current == $Coro::main; 3753 return if tick_inhibit || $Coro::current == $Coro::main;
3479 3754
3480 my $signal = new Coro::Signal; 3755 my $signal = new Coro::Signal;
3481 push @WAIT_FOR_TICK_BEGIN, $signal; 3756 push @WAIT_FOR_TICK_BEGIN, $signal;
3482 $signal->wait; 3757 $signal->wait;
3483} 3758}
3484 3759
3485$TICK_WATCHER = Event->timer ( 3760sub tick {
3486 reentrant => 0,
3487 parked => 1,
3488 prio => 0,
3489 at => $NEXT_TICK || $TICK,
3490 data => WF_AUTOCANCEL,
3491 cb => sub {
3492 if ($Coro::current != $Coro::main) { 3761 if ($Coro::current != $Coro::main) {
3493 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3762 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3494 unless ++$bug_warning > 10; 3763 unless ++$bug_warning > 10;
3495 return; 3764 return;
3496 } 3765 }
3497 3766
3498 $NOW = $tick_start = Event::time;
3499
3500 cf::server_tick; # one server iteration 3767 cf::server_tick; # one server iteration
3501 3768
3502 $RUNTIME += $TICK;
3503 $NEXT_TICK += $TICK;
3504
3505 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3769 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3506 $NEXT_RUNTIME_WRITE = $NOW + 10; 3770 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3507 Coro::async_pool { 3771 Coro::async_pool {
3508 $Coro::current->{desc} = "runtime saver"; 3772 $Coro::current->{desc} = "runtime saver";
3509 write_runtime 3773 write_runtime_sync
3510 or warn "ERROR: unable to write runtime file: $!"; 3774 or warn "ERROR: unable to write runtime file: $!";
3511 };
3512 } 3775 };
3776 }
3513 3777
3514 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3778 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3515 $sig->send; 3779 $sig->send;
3516 } 3780 }
3517 while (my $sig = shift @WAIT_FOR_TICK) { 3781 while (my $sig = shift @WAIT_FOR_TICK) {
3518 $sig->send; 3782 $sig->send;
3519 } 3783 }
3520 3784
3521 $NOW = Event::time; 3785 $LOAD = ($NOW - $TICK_START) / $TICK;
3522
3523 # if we are delayed by four ticks or more, skip them all
3524 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3525
3526 $TICK_WATCHER->at ($NEXT_TICK);
3527 $TICK_WATCHER->start;
3528
3529 $LOAD = ($NOW - $tick_start) / $TICK;
3530 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3786 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3531 3787
3532 _post_tick; 3788 if (0) {
3789 if ($NEXT_TICK) {
3790 my $jitter = $TICK_START - $NEXT_TICK;
3791 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792 warn "jitter $JITTER\n";#d#
3793 }
3533 }, 3794 }
3534); 3795}
3535 3796
3536{ 3797{
3798 # configure BDB
3799
3537 BDB::min_parallel 8; 3800 BDB::min_parallel 8;
3538 BDB::max_poll_time $TICK * 0.1; 3801 BDB::max_poll_reqs $TICK * 0.1;
3539 $BDB_POLL_WATCHER = Event->io ( 3802 $AnyEvent::BDB::WATCHER->priority (1);
3540 reentrant => 0,
3541 fd => BDB::poll_fileno,
3542 poll => 'r',
3543 prio => 0,
3544 data => WF_AUTOCANCEL,
3545 cb => \&BDB::poll_cb,
3546 );
3547
3548 BDB::set_sync_prepare {
3549 my $status;
3550 my $current = $Coro::current;
3551 (
3552 sub {
3553 $status = $!;
3554 $current->ready; undef $current;
3555 },
3556 sub {
3557 Coro::schedule while defined $current;
3558 $! = $status;
3559 },
3560 )
3561 };
3562 3803
3563 unless ($DB_ENV) { 3804 unless ($DB_ENV) {
3564 $DB_ENV = BDB::db_env_create; 3805 $DB_ENV = BDB::db_env_create;
3565 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3806 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3566 | BDB::LOG_AUTOREMOVE, 1); 3807 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3808 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3567 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3809 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3568 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3810 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3569 3811
3570 cf::sync_job { 3812 cf::sync_job {
3571 eval { 3813 eval {
3581 3823
3582 cf::cleanup "db_env_open(db): $@" if $@; 3824 cf::cleanup "db_env_open(db): $@" if $@;
3583 }; 3825 };
3584 } 3826 }
3585 3827
3586 $BDB_DEADLOCK_WATCHER = Event->timer ( 3828 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3587 after => 3,
3588 interval => 1,
3589 hard => 1,
3590 prio => 0,
3591 data => WF_AUTOCANCEL,
3592 cb => sub {
3593 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3829 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3594 },
3595 ); 3830 };
3596 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3831 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3597 after => 11,
3598 interval => 60,
3599 hard => 1,
3600 prio => 0,
3601 data => WF_AUTOCANCEL,
3602 cb => sub {
3603 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3832 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3604 },
3605 ); 3833 };
3606 $BDB_TRICKLE_WATCHER = Event->timer ( 3834 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3607 after => 5,
3608 interval => 10,
3609 hard => 1,
3610 prio => 0,
3611 data => WF_AUTOCANCEL,
3612 cb => sub {
3613 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3835 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3614 },
3615 ); 3836 };
3616} 3837}
3617 3838
3618{ 3839{
3840 # configure IO::AIO
3841
3619 IO::AIO::min_parallel 8; 3842 IO::AIO::min_parallel 8;
3620
3621 undef $Coro::AIO::WATCHER;
3622 IO::AIO::max_poll_time $TICK * 0.1; 3843 IO::AIO::max_poll_time $TICK * 0.1;
3623 $AIO_POLL_WATCHER = Event->io ( 3844 undef $AnyEvent::AIO::WATCHER;
3624 reentrant => 0,
3625 data => WF_AUTOCANCEL,
3626 fd => IO::AIO::poll_fileno,
3627 poll => 'r',
3628 prio => 0,
3629 cb => \&IO::AIO::poll_cb,
3630 );
3631} 3845}
3632 3846
3633my $_log_backtrace; 3847my $_log_backtrace;
3634 3848
3635sub _log_backtrace { 3849sub _log_backtrace {
3638 $msg =~ s/\n//; 3852 $msg =~ s/\n//;
3639 3853
3640 # limit the # of concurrent backtraces 3854 # limit the # of concurrent backtraces
3641 if ($_log_backtrace < 2) { 3855 if ($_log_backtrace < 2) {
3642 ++$_log_backtrace; 3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
3643 async { 3858 async {
3644 $Coro::current->{desc} = "abt $msg"; 3859 $Coro::current->{desc} = "abt $msg";
3645 3860
3646 my @bt = fork_call { 3861 my @bt = fork_call {
3647 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
3658 } 3873 }
3659 3874
3660 @funcs 3875 @funcs
3661 }; 3876 };
3662 3877
3663 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3664 LOG llevInfo, "[ABT] $_\n" for @bt; 3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3665 --$_log_backtrace; 3881 --$_log_backtrace;
3666 }; 3882 };
3667 } else { 3883 } else {
3668 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";

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