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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable; 9use EV 1.86;
10use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.64 (); 15use Coro 4.32 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::EV;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
23use Coro::Storable; 24use Coro::Storable;
24use Coro::Util (); 25use Coro::Util ();
25 26
26use JSON::XS (); 27use JSON::XS 2.01 ();
27use BDB (); 28use BDB ();
28use Data::Dumper; 29use Data::Dumper;
29use Digest::MD5; 30use Digest::MD5;
30use Fcntl; 31use Fcntl;
31use YAML::Syck (); 32use YAML::Syck ();
32use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
33use Time::HiRes; 34use Time::HiRes;
34use Compress::LZF; 35use Compress::LZF;
35use Digest::MD5 (); 36use Digest::MD5 ();
36 37
37# configure various modules to our taste 38# configure various modules to our taste
38# 39#
39$Storable::canonical = 1; # reduce rsync transfers 40$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 41Coro::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 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44 43
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
47 46
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 69our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 71our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 72our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 73our $BDBDIR = "$LOCALDIR/db";
74our %RESOURCE;
75 75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 80our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 81our $USE_FSYNC = 1; # use fsync to write maps - default off
83 82
84our $BDB_POLL_WATCHER; 83our $BDB_POLL_WATCHER;
84our $BDB_DEADLOCK_WATCHER;
85our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 87our $DB_ENV;
86 88
87our %CFG; 89our %CFG;
88 90
89our $UPTIME; $UPTIME ||= time; 91our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 92our $RUNTIME;
93our $NOW;
91 94
92our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
95 98
96# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 101
159 162
160The raw value load value from the last tick. 163The raw value load value from the last tick.
161 164
162=item %cf::CFG 165=item %cf::CFG
163 166
164Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 168from wherever your confdir points to.
166 169
167=item cf::wait_for_tick, cf::wait_for_tick_begin 170=item cf::wait_for_tick, cf::wait_for_tick_begin
168 171
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 190 $msg .= "\n"
188 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
189 192
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 194
192 utf8::encode $msg;
193 LOG llevError, $msg; 195 LOG llevError, $msg;
194 }; 196 };
195} 197}
196 198
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
213)) { 215)) {
214 no strict 'refs'; 216 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 218}
217 219
218$Event::DIED = sub { 220$EV::DIED = sub {
219 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
220}; 222};
221 223
222############################################################################# 224#############################################################################
223 225
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 249 $d
248 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
249} 251}
250 252
251=item $ref = cf::from_json $json 253=item $ref = cf::decode_json $json
252 254
253Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
254 256
255=item $json = cf::to_json $ref 257=item $json = cf::encode_json $ref
256 258
257Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
258 260
259=cut 261=cut
260 262
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 264
263sub to_json ($) { $json_coder->encode ($_[0]) } 265sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 266sub decode_json($) { $json_coder->decode ($_[0]) }
265 267
266=item cf::lock_wait $string 268=item cf::lock_wait $string
267 269
268Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
269 271
285Return true if the lock is currently active, i.e. somebody has locked it. 287Return true if the lock is currently active, i.e. somebody has locked it.
286 288
287=cut 289=cut
288 290
289our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
290 293
291sub lock_wait($) { 294sub lock_wait($) {
292 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
293 301
294 # wait for lock, if any 302 # wait for lock, if any
295 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
296 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
297 Coro::schedule; 305 Coro::schedule;
303 311
304 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
305 lock_wait $key; 313 lock_wait $key;
306 314
307 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
308 317
309 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
310 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
311 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
312 } 322 }
313} 323}
314 324
326 }; 336 };
327 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
328 $guard 338 $guard
329} 339}
330 340
341=item cf::periodic $interval, $cb
342
343Like EV::periodic, but randomly selects a starting point so that the actions
344get spread over timer.
345
346=cut
347
348sub periodic($$) {
349 my ($interval, $cb) = @_;
350
351 my $start = rand List::Util::min 180, $interval;
352
353 EV::periodic $start, $interval, 0, $cb
354}
355
331=item cf::get_slot $time[, $priority[, $name]] 356=item cf::get_slot $time[, $priority[, $name]]
332 357
333Allocate $time seconds of blocking CPU time at priority C<$priority>: 358Allocate $time seconds of blocking CPU time at priority C<$priority>:
334This call blocks and returns only when you have at least C<$time> seconds 359This call blocks and returns only when you have at least C<$time> seconds
335of cpu time till the next tick. The slot is only valid till the next cede. 360of cpu time till the next tick. The slot is only valid till the next cede.
344our @SLOT_QUEUE; 369our @SLOT_QUEUE;
345our $SLOT_QUEUE; 370our $SLOT_QUEUE;
346 371
347$SLOT_QUEUE->cancel if $SLOT_QUEUE; 372$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async { 373$SLOT_QUEUE = Coro::async {
374 $Coro::current->desc ("timeslot manager");
375
349 my $signal = new Coro::Signal; 376 my $signal = new Coro::Signal;
350 377
351 while () { 378 while () {
352 next_job: 379 next_job:
353 my $avail = cf::till_tick; 380 my $avail = cf::till_tick;
361 } 388 }
362 } 389 }
363 } 390 }
364 391
365 if (@SLOT_QUEUE) { 392 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive 393 # we do not use wait_for_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal; 394 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait; 395 $signal->wait;
369 } else { 396 } else {
370 Coro::schedule; 397 Coro::schedule;
371 } 398 }
394 421
395BEGIN { *async = \&Coro::async_pool } 422BEGIN { *async = \&Coro::async_pool }
396 423
397=item cf::sync_job { BLOCK } 424=item cf::sync_job { BLOCK }
398 425
399The design of Crossfire TRT requires that the main coroutine ($Coro::main) 426The design of Deliantra requires that the main coroutine ($Coro::main)
400is always able to handle events or runnable, as Crossfire TRT is only 427is always able to handle events or runnable, as Deliantra is only
401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 428partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable. 429acceptable.
403 430
404If it must be done, put the blocking parts into C<sync_job>. This will run 431If it must be done, put the blocking parts into C<sync_job>. This will run
405the given BLOCK in another coroutine while waiting for the result. The 432the given BLOCK in another coroutine while waiting for the result. The
410 437
411sub sync_job(&) { 438sub sync_job(&) {
412 my ($job) = @_; 439 my ($job) = @_;
413 440
414 if ($Coro::current == $Coro::main) { 441 if ($Coro::current == $Coro::main) {
415 my $time = Event::time; 442 my $time = EV::time;
416 443
417 # this is the main coro, too bad, we have to block 444 # this is the main coro, too bad, we have to block
418 # till the operation succeeds, freezing the server :/ 445 # till the operation succeeds, freezing the server :/
419 446
447 LOG llevError, Carp::longmess "sync job";#d#
448
420 # TODO: use suspend/resume instead 449 # TODO: use suspend/resume instead
421 # (but this is cancel-safe) 450 # (but this is cancel-safe)
422 my $freeze_guard = freeze_mainloop; 451 my $freeze_guard = freeze_mainloop;
423 452
424 my $busy = 1; 453 my $busy = 1;
425 my @res; 454 my @res;
426 455
427 (async { 456 (async {
457 $Coro::current->desc ("sync job coro");
428 @res = eval { $job->() }; 458 @res = eval { $job->() };
429 warn $@ if $@; 459 warn $@ if $@;
430 undef $busy; 460 undef $busy;
431 })->prio (Coro::PRIO_MAX); 461 })->prio (Coro::PRIO_MAX);
432 462
433 while ($busy) { 463 while ($busy) {
434 Coro::cede or Event::one_event; 464 if (Coro::nready) {
465 Coro::cede_notself;
466 } else {
467 EV::loop EV::LOOP_ONESHOT;
435 } 468 }
469 }
436 470
437 $time = Event::time - $time; 471 $time = EV::time - $time;
438 472
439 LOG llevError | logBacktrace, Carp::longmess "long sync job" 473 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; 474 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441 475
442 $tick_start += $time; # do not account sync jobs to server load 476 $tick_start += $time; # do not account sync jobs to server load
472=item fork_call { }, $args 506=item fork_call { }, $args
473 507
474Executes the given code block with the given arguments in a seperate 508Executes the given code block with the given arguments in a seperate
475process, returning the results. Everything must be serialisable with 509process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may 510Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling. 511never block itself or use any form of event handling.
478 512
479=cut 513=cut
480 514
481sub fork_call(&@) { 515sub fork_call(&@) {
482 my ($cb, @args) = @_; 516 my ($cb, @args) = @_;
483 517
484 # we seemingly have to make a local copy of the whole thing, 518 # we seemingly have to make a local copy of the whole thing,
485 # otherwise perl prematurely frees the stuff :/ 519 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious) 520 # TODO: investigate and fix (likely this will be rather laborious)
487 521
488 my @res = Coro::Util::fork_eval { 522 my @res = Coro::Util::fork_eval {
489 reset_signals; 523 reset_signals;
490 &$cb 524 &$cb
491 }, @args; 525 }, @args;
500=item cf::db_put $family => $key => $value 534=item cf::db_put $family => $key => $value
501 535
502Stores the given C<$value> in the family. It can currently store binary 536Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504 538
539=item $db = cf::db_table "name"
540
541Create and/or open a new database table. The string must not be "db" and must be unique
542within each server.
543
505=cut 544=cut
545
546sub db_table($) {
547 my ($name) = @_;
548 my $db = BDB::db_create $DB_ENV;
549
550 eval {
551 $db->set_flags (BDB::CHKSUM);
552
553 utf8::encode $name;
554 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
555 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
556 cf::cleanup "db_open(db): $!" if $!;
557 };
558 cf::cleanup "db_open(db): $@" if $@;
559
560 $db
561}
506 562
507our $DB; 563our $DB;
508 564
509sub db_init { 565sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job { 566 cf::sync_job {
514 eval { 567 $DB ||= db_table "db";
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
523 } 568 };
524} 569}
525 570
526sub db_get($$) { 571sub db_get($$) {
527 my $key = "$_[0]/$_[1]"; 572 my $key = "$_[0]/$_[1]";
528 573
632attach callbacks/event handlers (a collection of which is called an "attachment") 677attach callbacks/event handlers (a collection of which is called an "attachment")
633to it. All such attachable objects support the following methods. 678to it. All such attachable objects support the following methods.
634 679
635In the following description, CLASS can be any of C<global>, C<object> 680In the following description, CLASS can be any of C<global>, C<object>
636C<player>, C<client> or C<map> (i.e. the attachable objects in 681C<player>, C<client> or C<map> (i.e. the attachable objects in
637Crossfire TRT). 682Deliantra).
638 683
639=over 4 684=over 4
640 685
641=item $attachable->attach ($attachment, key => $value...) 686=item $attachable->attach ($attachment, key => $value...)
642 687
940 985
941=cut 986=cut
942 987
943############################################################################# 988#############################################################################
944# object support 989# object support
945#
946 990
991sub _object_equal($$);
992sub _object_equal($$) {
993 my ($a, $b) = @_;
994
995 return 0 unless (ref $a) eq (ref $b);
996
997 if ("HASH" eq ref $a) {
998 my @ka = keys %$a;
999 my @kb = keys %$b;
1000
1001 return 0 if @ka != @kb;
1002
1003 for (0 .. $#ka) {
1004 return 0 unless $ka[$_] eq $kb[$_];
1005 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1006 }
1007
1008 } elsif ("ARRAY" eq ref $a) {
1009
1010 return 0 if @$a != @$b;
1011
1012 for (0 .. $#$a) {
1013 return 0 unless _object_equal $a->[$_], $b->[$_];
1014 }
1015
1016 } elsif ($a ne $b) {
1017 return 0;
1018 }
1019
1020 1
1021}
1022
1023our $SLOW_MERGES;#d#
947sub _can_merge { 1024sub _can_merge {
948 my ($ob1, $ob2) = @_; 1025 my ($ob1, $ob2) = @_;
949 1026
950 local $Storable::canonical = 1; 1027 ++$SLOW_MERGES;#d#
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953 1028
954 $fob1 eq $fob2 1029 # we do the slow way here
1030 return _object_equal $ob1, $ob2
955} 1031}
956 1032
957sub reattach { 1033sub reattach {
958 # basically do the same as instantiate, without calling instantiate 1034 # basically do the same as instantiate, without calling instantiate
959 my ($obj) = @_; 1035 my ($obj) = @_;
981cf::attachable->attach ( 1057cf::attachable->attach (
982 prio => -1000000, 1058 prio => -1000000,
983 on_instantiate => sub { 1059 on_instantiate => sub {
984 my ($obj, $data) = @_; 1060 my ($obj, $data) = @_;
985 1061
986 $data = from_json $data; 1062 $data = decode_json $data;
987 1063
988 for (@$data) { 1064 for (@$data) {
989 my ($name, $args) = @$_; 1065 my ($name, $args) = @$_;
990 1066
991 $obj->attach ($name, %{$args || {} }); 1067 $obj->attach ($name, %{$args || {} });
1007sub object_freezer_save { 1083sub object_freezer_save {
1008 my ($filename, $rdata, $objs) = @_; 1084 my ($filename, $rdata, $objs) = @_;
1009 1085
1010 sync_job { 1086 sync_job {
1011 if (length $$rdata) { 1087 if (length $$rdata) {
1088 utf8::decode (my $decname = $filename);
1012 warn sprintf "saving %s (%d,%d)\n", 1089 warn sprintf "saving %s (%d,%d)\n",
1013 $filename, length $$rdata, scalar @$objs; 1090 $decname, length $$rdata, scalar @$objs;
1014 1091
1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1092 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016 chmod SAVE_MODE, $fh; 1093 chmod SAVE_MODE, $fh;
1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1094 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018 aio_fsync $fh if $cf::USE_FSYNC; 1095 aio_fsync $fh if $cf::USE_FSYNC;
1019 close $fh; 1096 close $fh;
1020 1097
1021 if (@$objs) { 1098 if (@$objs) {
1022 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1099 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023 chmod SAVE_MODE, $fh; 1100 chmod SAVE_MODE, $fh;
1024 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1101 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025 aio_write $fh, 0, (length $data), $data, 0; 1102 aio_write $fh, 0, (length $data), $data, 0;
1026 aio_fsync $fh if $cf::USE_FSYNC; 1103 aio_fsync $fh if $cf::USE_FSYNC;
1027 close $fh; 1104 close $fh;
1028 aio_rename "$filename.pst~", "$filename.pst"; 1105 aio_rename "$filename.pst~", "$filename.pst";
1029 } 1106 }
1037 } 1114 }
1038 } else { 1115 } else {
1039 aio_unlink $filename; 1116 aio_unlink $filename;
1040 aio_unlink "$filename.pst"; 1117 aio_unlink "$filename.pst";
1041 } 1118 }
1042 } 1119 };
1043} 1120}
1044 1121
1045sub object_freezer_as_string { 1122sub object_freezer_as_string {
1046 my ($rdata, $objs) = @_; 1123 my ($rdata, $objs) = @_;
1047 1124
1059 or return; 1136 or return;
1060 1137
1061 unless (aio_stat "$filename.pst") { 1138 unless (aio_stat "$filename.pst") {
1062 (aio_load "$filename.pst", $av) >= 0 1139 (aio_load "$filename.pst", $av) >= 0
1063 or return; 1140 or return;
1141
1064 $av = eval { (Storable::thaw $av)->{objs} }; 1142 my $st = eval { Coro::Storable::thaw $av };
1143 $av = $st->{objs};
1065 } 1144 }
1066 1145
1146 utf8::decode (my $decname = $filename);
1067 warn sprintf "loading %s (%d)\n", 1147 warn sprintf "loading %s (%d,%d)\n",
1068 $filename, length $data, scalar @{$av || []}; 1148 $decname, length $data, scalar @{$av || []};
1149
1069 return ($data, $av); 1150 ($data, $av)
1070} 1151}
1071 1152
1072=head2 COMMAND CALLBACKS 1153=head2 COMMAND CALLBACKS
1073 1154
1074=over 4 1155=over 4
1260 1341
1261=head3 cf::player 1342=head3 cf::player
1262 1343
1263=over 4 1344=over 4
1264 1345
1346=item cf::player::num_playing
1347
1348Returns the official number of playing players, as per the Crossfire metaserver rules.
1349
1350=cut
1351
1352sub num_playing {
1353 scalar grep
1354 $_->ob->map
1355 && !$_->hidden
1356 && !$_->ob->flag (cf::FLAG_WIZ),
1357 cf::player::list
1358}
1359
1265=item cf::player::find $login 1360=item cf::player::find $login
1266 1361
1267Returns the given player object, loading it if necessary (might block). 1362Returns the given player object, loading it if necessary (might block).
1268 1363
1269=cut 1364=cut
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1399 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1400 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1401 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl"; 1402 aio_unlink +(playerdir $login) . "/$login.pl";
1308 1403
1309 my $pl = load_pl path $login 1404 my $f = new_from_file cf::object::thawer path $login
1310 or return; 1405 or return;
1406
1407 my $pl = cf::player::load_pl $f
1408 or return;
1409 local $cf::PLAYER_LOADING{$login} = $pl;
1410 $f->resolve_delayed_derefs;
1311 $cf::PLAYER{$login} = $pl 1411 $cf::PLAYER{$login} = $pl
1312 } 1412 }
1313 } 1413 }
1314} 1414}
1315 1415
1413 or return []; 1513 or return [];
1414 1514
1415 my @logins; 1515 my @logins;
1416 1516
1417 for my $login (@$dirs) { 1517 for my $login (@$dirs) {
1518 my $path = path $login;
1519
1520 # a .pst is a dead give-away for a valid player
1521 unless (-e "$path.pst") {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1522 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next; 1523 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag 1524 $buf !~ /^password -------------$/m or next; # official not-valid tag
1525 }
1421 1526
1422 utf8::decode $login; 1527 utf8::decode $login;
1423 push @logins, $login; 1528 push @logins, $login;
1424 } 1529 }
1425 1530
1458 1563
1459Expand crossfire pod fragments into protocol xml. 1564Expand crossfire pod fragments into protocol xml.
1460 1565
1461=cut 1566=cut
1462 1567
1568use re 'eval';
1569
1570my $group;
1571my $interior; $interior = qr{
1572 # match a pod interior sequence sans C<< >>
1573 (?:
1574 \ (.*?)\ (?{ $group = $^N })
1575 | < (??{$interior}) >
1576 )
1577}x;
1578
1463sub expand_cfpod { 1579sub expand_cfpod {
1464 ((my $self), (local $_)) = @_; 1580 my ($self, $pod) = @_;
1465 1581
1466 # escape & and < 1582 my $xml;
1467 s/&/&amp;/g;
1468 s/(?<![BIUGHT])</&lt;/g;
1469 1583
1470 # this is buggy, it needs to properly take care of nested <'s 1584 while () {
1585 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586 $group = $1;
1471 1587
1472 1 while 1588 $group =~ s/&/&amp;/g;
1473 # replace B<>, I<>, U<> etc. 1589 $group =~ s/</&lt;/g;
1474 s/B<([^\>]*)>/<b>$1<\/b>/ 1590
1475 || s/I<([^\>]*)>/<i>$1<\/i>/ 1591 $xml .= $group;
1476 || s/U<([^\>]*)>/<u>$1<\/u>/ 1592 } elsif ($pod =~ m%\G
1477 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1593 ([BCGHITU])
1478 # replace G<male|female> tags 1594 <
1479 || s{G<([^>|]*)\|([^>]*)>}{ 1595 (?:
1480 $self->gender ? $2 : $1 1596 ([^<>]*) (?{ $group = $^N })
1481 }ge 1597 | < $interior >
1482 # replace H<hint text> 1598 )
1483 || s{H<([^\>]*)>} 1599 >
1600 %gcsx
1484 { 1601 ) {
1602 my ($code, $data) = ($1, $group);
1603
1604 if ($code eq "B") {
1605 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606 } elsif ($code eq "I") {
1607 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608 } elsif ($code eq "U") {
1609 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610 } elsif ($code eq "C") {
1611 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612 } elsif ($code eq "T") {
1613 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614 } elsif ($code eq "G") {
1615 my ($male, $female) = split /\|/, $data;
1616 $data = $self->gender ? $female : $male;
1617 $xml .= expand_cfpod ($self, $data);
1618 } elsif ($code eq "H") {
1485 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1619 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1486 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1620 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487 "") 1621 "")
1488 [$self->{hintmode}] 1622 [$self->{hintmode}];
1623 } else {
1624 $xml .= "error processing '$code($data)' directive";
1489 }ge; 1625 }
1626 } else {
1627 if ($pod =~ /\G(.+)/) {
1628 warn "parse error while expanding $pod (at $1)";
1629 }
1630 last;
1631 }
1632 }
1490 1633
1634 for ($xml) {
1491 # create single paragraphs (very hackish) 1635 # create single paragraphs (very hackish)
1492 s/(?<=\S)\n(?=\w)/ /g; 1636 s/(?<=\S)\n(?=\w)/ /g;
1493 1637
1494 # compress some whitespace 1638 # compress some whitespace
1495 s/\s+\n/\n/g; # ws line-ends 1639 s/\s+\n/\n/g; # ws line-ends
1496 s/\n\n+/\n/g; # double lines 1640 s/\n\n+/\n/g; # double lines
1497 s/^\n+//; # beginning lines 1641 s/^\n+//; # beginning lines
1498 s/\n+$//; # ending lines 1642 s/\n+$//; # ending lines
1643 }
1499 1644
1500 $_ 1645 $xml
1501} 1646}
1647
1648no re 'eval';
1502 1649
1503sub hintmode { 1650sub hintmode {
1504 $_[0]{hintmode} = $_[1] if @_ > 1; 1651 $_[0]{hintmode} = $_[1] if @_ > 1;
1505 $_[0]{hintmode} 1652 $_[0]{hintmode}
1506} 1653}
1750 1897
1751sub load_header_from($) { 1898sub load_header_from($) {
1752 my ($self, $path) = @_; 1899 my ($self, $path) = @_;
1753 1900
1754 utf8::encode $path; 1901 utf8::encode $path;
1755 #aio_open $path, O_RDONLY, 0 1902 my $f = new_from_file cf::object::thawer $path
1756 # or return;
1757
1758 $self->_load_header ($path)
1759 or return; 1903 or return;
1904
1905 $self->_load_header ($f)
1906 or return;
1907
1908 local $MAP_LOADING{$self->{path}} = $self;
1909 $f->resolve_delayed_derefs;
1760 1910
1761 $self->{load_path} = $path; 1911 $self->{load_path} = $path;
1762 1912
1763 1 1913 1
1764} 1914}
1818sub find { 1968sub find {
1819 my ($path, $origin) = @_; 1969 my ($path, $origin) = @_;
1820 1970
1821 $path = normalise $path, $origin && $origin->path; 1971 $path = normalise $path, $origin && $origin->path;
1822 1972
1973 cf::lock_wait "map_data:$path";#d#remove
1823 cf::lock_wait "map_find:$path"; 1974 cf::lock_wait "map_find:$path";
1824 1975
1825 $cf::MAP{$path} || do { 1976 $cf::MAP{$path} || do {
1826 my $guard = cf::lock_acquire "map_find:$path"; 1977 my $guard1 = cf::lock_acquire "map_find:$path";
1978 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1979
1827 my $map = new_from_path cf::map $path 1980 my $map = new_from_path cf::map $path
1828 or return; 1981 or return;
1829 1982
1830 $map->{last_save} = $cf::RUNTIME; 1983 $map->{last_save} = $cf::RUNTIME;
1831 1984
1833 or return; 1986 or return;
1834 1987
1835 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1988 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836 # doing this can freeze the server in a sync job, obviously 1989 # doing this can freeze the server in a sync job, obviously
1837 #$cf::WAIT_FOR_TICK->wait; 1990 #$cf::WAIT_FOR_TICK->wait;
1991 undef $guard1;
1992 undef $guard2;
1838 $map->reset; 1993 $map->reset;
1839 undef $guard;
1840 return find $path; 1994 return find $path;
1841 } 1995 }
1842 1996
1843 $cf::MAP{$path} = $map 1997 $cf::MAP{$path} = $map
1844 } 1998 }
1853 local $self->{deny_reset} = 1; # loading can take a long time 2007 local $self->{deny_reset} = 1; # loading can take a long time
1854 2008
1855 my $path = $self->{path}; 2009 my $path = $self->{path};
1856 2010
1857 { 2011 {
1858 my $guard1 = cf::lock_acquire "map_data:$path"; 2012 my $guard = cf::lock_acquire "map_data:$path";
1859 my $guard2 = cf::lock_acquire "map_load:$path";
1860 2013
2014 return unless $self->valid;
1861 return if $self->in_memory != cf::MAP_SWAPPED; 2015 return unless $self->in_memory == cf::MAP_SWAPPED;
1862 2016
1863 $self->in_memory (cf::MAP_LOADING); 2017 $self->in_memory (cf::MAP_LOADING);
1864 2018
1865 $self->alloc; 2019 $self->alloc;
1866 2020
1867 $self->pre_load; 2021 $self->pre_load;
1868 cf::cede_to_tick; 2022 cf::cede_to_tick;
1869 2023
2024 my $f = new_from_file cf::object::thawer $self->{load_path};
2025 $f->skip_block;
1870 $self->_load_objects ($self->{load_path}, 1) 2026 $self->_load_objects ($f)
1871 or return; 2027 or return;
1872 2028
1873 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2029 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1874 if delete $self->{load_original}; 2030 if delete $self->{load_original};
1875 2031
1876 if (my $uniq = $self->uniq_path) { 2032 if (my $uniq = $self->uniq_path) {
1877 utf8::encode $uniq; 2033 utf8::encode $uniq;
1878 if (aio_open $uniq, O_RDONLY, 0) { 2034 unless (aio_stat $uniq) {
2035 if (my $f = new_from_file cf::object::thawer $uniq) {
1879 $self->clear_unique_items; 2036 $self->clear_unique_items;
1880 $self->_load_objects ($uniq, 0); 2037 $self->_load_objects ($f);
2038 $f->resolve_delayed_derefs;
2039 }
1881 } 2040 }
1882 } 2041 }
2042
2043 $f->resolve_delayed_derefs;
1883 2044
1884 cf::cede_to_tick; 2045 cf::cede_to_tick;
1885 # now do the right thing for maps 2046 # now do the right thing for maps
1886 $self->link_multipart_objects; 2047 $self->link_multipart_objects;
1887 $self->difficulty ($self->estimate_difficulty) 2048 $self->difficulty ($self->estimate_difficulty)
1973 } 2134 }
1974 2135
1975 $MAP_PREFETCH{$path} |= $load; 2136 $MAP_PREFETCH{$path} |= $load;
1976 2137
1977 $MAP_PREFETCHER ||= cf::async { 2138 $MAP_PREFETCHER ||= cf::async {
2139 $Coro::current->{desc} = "map prefetcher";
2140
1978 while (%MAP_PREFETCH) { 2141 while (%MAP_PREFETCH) {
1979 while (my ($k, $v) = each %MAP_PREFETCH) { 2142 while (my ($k, $v) = each %MAP_PREFETCH) {
1980 if (my $map = find $k) { 2143 if (my $map = find $k) {
1981 $map->load if $v; 2144 $map->load if $v;
1982 } 2145 }
2008 return if $self->{deny_save}; 2171 return if $self->{deny_save};
2009 2172
2010 local $self->{last_access} = $self->last_access;#d# 2173 local $self->{last_access} = $self->last_access;#d#
2011 2174
2012 cf::async { 2175 cf::async {
2176 $Coro::current->{desc} = "map player save";
2013 $_->contr->save for $self->players; 2177 $_->contr->save for $self->players;
2014 }; 2178 };
2015 2179
2016 if ($uniq) { 2180 if ($uniq) {
2017 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2181 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2031 2195
2032 return if $self->players; 2196 return if $self->players;
2033 return if $self->in_memory != cf::MAP_IN_MEMORY; 2197 return if $self->in_memory != cf::MAP_IN_MEMORY;
2034 return if $self->{deny_save}; 2198 return if $self->{deny_save};
2035 2199
2200 $self->in_memory (cf::MAP_SWAPPED);
2201
2202 $self->deactivate;
2203 $_->clear_links_to ($self) for values %cf::MAP;
2036 $self->clear; 2204 $self->clear;
2037 $self->in_memory (cf::MAP_SWAPPED);
2038} 2205}
2039 2206
2040sub reset_at { 2207sub reset_at {
2041 my ($self) = @_; 2208 my ($self) = @_;
2042 2209
2074 if $uniq; 2241 if $uniq;
2075 } 2242 }
2076 2243
2077 delete $cf::MAP{$self->path}; 2244 delete $cf::MAP{$self->path};
2078 2245
2246 $self->deactivate;
2247 $_->clear_links_to ($self) for values %cf::MAP;
2079 $self->clear; 2248 $self->clear;
2080
2081 $_->clear_links_to ($self) for values %cf::MAP;
2082 2249
2083 $self->unlink_save; 2250 $self->unlink_save;
2084 $self->destroy; 2251 $self->destroy;
2085} 2252}
2086 2253
2187 2354
2188sub inv_recursive { 2355sub inv_recursive {
2189 inv_recursive_ inv $_[0] 2356 inv_recursive_ inv $_[0]
2190} 2357}
2191 2358
2359=item $ref = $ob->ref
2360
2361creates and returns a persistent reference to an objetc that can be stored as a string.
2362
2363=item $ob = cf::object::deref ($refstring)
2364
2365returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366even if the object actually exists. May block.
2367
2368=cut
2369
2370sub deref {
2371 my ($ref) = @_;
2372
2373 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2374 my ($uuid, $name) = ($1, $2);
2375 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2376 or return;
2377 $pl->ob->uuid eq $uuid
2378 or return;
2379
2380 $pl->ob
2381 } else {
2382 warn "$ref: cannot resolve object reference\n";
2383 undef
2384 }
2385}
2386
2192package cf; 2387package cf;
2193 2388
2194=back 2389=back
2195 2390
2196=head3 cf::object::player 2391=head3 cf::object::player
2354 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2549 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355 2550
2356 $self->enter_link; 2551 $self->enter_link;
2357 2552
2358 (async { 2553 (async {
2554 $Coro::current->{desc} = "player::goto $path $x $y";
2555
2556 # *tag paths override both path and x|y
2557 if ($path =~ /^\*(.*)$/) {
2558 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2559 my $ob = $obs[rand @obs];
2560
2561 # see if we actually can go there
2562 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2563 $ob = $obs[rand @obs];
2564 } else {
2565 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2566 }
2567 # else put us there anyways for now #d#
2568
2569 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2570 } else {
2571 ($path, $x, $y) = (undef, undef, undef);
2572 }
2573 }
2574
2359 my $map = eval { 2575 my $map = eval {
2360 my $map = cf::map::find $path; 2576 my $map = defined $path ? cf::map::find $path : undef;
2361 2577
2362 if ($map) { 2578 if ($map) {
2363 $map = $map->customise_for ($self); 2579 $map = $map->customise_for ($self);
2364 $map = $check->($map) if $check && $map; 2580 $map = $check->($map) if $check && $map;
2365 } else { 2581 } else {
2366 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2582 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367 } 2583 }
2368 2584
2369 $map 2585 $map
2370 }; 2586 };
2371 2587
2424 $rmp->{origin_y} = $exit->y; 2640 $rmp->{origin_y} = $exit->y;
2425 } 2641 }
2426 2642
2427 $rmp->{random_seed} ||= $exit->random_seed; 2643 $rmp->{random_seed} ||= $exit->random_seed;
2428 2644
2429 my $data = cf::to_json $rmp; 2645 my $data = cf::encode_json $rmp;
2430 my $md5 = Digest::MD5::md5_hex $data; 2646 my $md5 = Digest::MD5::md5_hex $data;
2431 my $meta = "$RANDOMDIR/$md5.meta"; 2647 my $meta = "$RANDOMDIR/$md5.meta";
2432 2648
2433 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2649 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434 aio_write $fh, 0, (length $data), $data, 0; 2650 aio_write $fh, 0, (length $data), $data, 0;
2461 # if exit is damned, update players death & WoR home-position 2677 # if exit is damned, update players death & WoR home-position
2462 $self->contr->savebed ($slaying, $hp, $sp) 2678 $self->contr->savebed ($slaying, $hp, $sp)
2463 if $exit->flag (FLAG_DAMNED); 2679 if $exit->flag (FLAG_DAMNED);
2464 2680
2465 (async { 2681 (async {
2682 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2683
2466 $self->deactivate_recursive; # just to be sure 2684 $self->deactivate_recursive; # just to be sure
2467 unless (eval { 2685 unless (eval {
2468 $self->goto ($slaying, $hp, $sp); 2686 $self->goto ($slaying, $hp, $sp);
2469 2687
2470 1; 2688 1;
2505the message, with C<log> being the default. If C<$color> is negative, suppress 2723the message, with C<log> being the default. If C<$color> is negative, suppress
2506the message unless the client supports the msg packet. 2724the message unless the client supports the msg packet.
2507 2725
2508=cut 2726=cut
2509 2727
2728# non-persistent channels (usually the info channel)
2510our %CHANNEL = ( 2729our %CHANNEL = (
2511 "c/identify" => { 2730 "c/identify" => {
2512 id => "identify", 2731 id => "infobox",
2513 title => "Identify", 2732 title => "Identify",
2514 reply => undef, 2733 reply => undef,
2515 tooltip => "Items recently identified", 2734 tooltip => "Items recently identified",
2516 }, 2735 },
2517 "c/examine" => { 2736 "c/examine" => {
2518 id => "examine", 2737 id => "infobox",
2519 title => "Examine", 2738 title => "Examine",
2520 reply => undef, 2739 reply => undef,
2521 tooltip => "Signs and other items you examined", 2740 tooltip => "Signs and other items you examined",
2522 }, 2741 },
2742 "c/book" => {
2743 id => "infobox",
2744 title => "Book",
2745 reply => undef,
2746 tooltip => "The contents of a note or book",
2747 },
2748 "c/lookat" => {
2749 id => "infobox",
2750 title => "Look",
2751 reply => undef,
2752 tooltip => "What you saw there",
2753 },
2754 "c/who" => {
2755 id => "infobox",
2756 title => "Players",
2757 reply => undef,
2758 tooltip => "Shows players who are currently online",
2759 },
2760 "c/body" => {
2761 id => "infobox",
2762 title => "Body Parts",
2763 reply => undef,
2764 tooltip => "Shows which body parts you posess and are available",
2765 },
2766 "c/uptime" => {
2767 id => "infobox",
2768 title => "Uptime",
2769 reply => undef,
2770 tooltip => "How long the server has been running since last restart",
2771 },
2772 "c/mapinfo" => {
2773 id => "infobox",
2774 title => "Map Info",
2775 reply => undef,
2776 tooltip => "Information related to the maps",
2777 },
2523); 2778);
2524 2779
2525sub cf::client::send_msg { 2780sub cf::client::send_msg {
2526 my ($self, $channel, $msg, $color, @extra) = @_; 2781 my ($self, $channel, $msg, $color, @extra) = @_;
2527 2782
2528 $msg = $self->pl->expand_cfpod ($msg); 2783 $msg = $self->pl->expand_cfpod ($msg);
2529 2784
2530 $color &= cf::NDI_CLIENT_MASK; # just in case... 2785 $color &= cf::NDI_CLIENT_MASK; # just in case...
2531 2786
2532 # check predefined channels, for the benefit of C 2787 # check predefined channels, for the benefit of C
2533 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2788 if ($CHANNEL{$channel}) {
2789 $channel = $CHANNEL{$channel};
2534 2790
2791 $self->ext_msg (channel_info => $channel)
2792 if $self->can_msg;
2793
2794 $channel = $channel->{id};
2795
2535 if (ref $channel) { 2796 } elsif (ref $channel) {
2536 # send meta info to client, if not yet sent 2797 # send meta info to client, if not yet sent
2537 unless (exists $self->{channel}{$channel->{id}}) { 2798 unless (exists $self->{channel}{$channel->{id}}) {
2538 $self->{channel}{$channel->{id}} = $channel; 2799 $self->{channel}{$channel->{id}} = $channel;
2539 $self->ext_msg (channel_info => $channel); 2800 $self->ext_msg (channel_info => $channel)
2801 if $self->can_msg;
2540 } 2802 }
2541 2803
2542 $channel = $channel->{id}; 2804 $channel = $channel->{id};
2543 } 2805 }
2544 2806
2756=pod 3018=pod
2757 3019
2758The following functions and methods are available within a safe environment: 3020The following functions and methods are available within a safe environment:
2759 3021
2760 cf::object 3022 cf::object
2761 contr pay_amount pay_player map x y force_find force_add 3023 contr pay_amount pay_player map x y force_find force_add destroy
2762 insert remove name archname title slaying race decrease_ob_nr 3024 insert remove name archname title slaying race decrease_ob_nr
2763 3025
2764 cf::object::player 3026 cf::object::player
2765 player 3027 player
2766 3028
2773=cut 3035=cut
2774 3036
2775for ( 3037for (
2776 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3038 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777 insert remove inv name archname title slaying race 3039 insert remove inv name archname title slaying race
2778 decrease_ob_nr)], 3040 decrease_ob_nr destroy)],
2779 ["cf::object::player" => qw(player)], 3041 ["cf::object::player" => qw(player)],
2780 ["cf::player" => qw(peaceful)], 3042 ["cf::player" => qw(peaceful)],
2781 ["cf::map" => qw(trigger)], 3043 ["cf::map" => qw(trigger)],
2782) { 3044) {
2783 no strict 'refs'; 3045 no strict 'refs';
2888 { 3150 {
2889 my $faces = $facedata->{faceinfo}; 3151 my $faces = $facedata->{faceinfo};
2890 3152
2891 while (my ($face, $info) = each %$faces) { 3153 while (my ($face, $info) = each %$faces) {
2892 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3154 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3155
2893 cf::face::set_visibility $idx, $info->{visibility}; 3156 cf::face::set_visibility $idx, $info->{visibility};
2894 cf::face::set_magicmap $idx, $info->{magicmap}; 3157 cf::face::set_magicmap $idx, $info->{magicmap};
2895 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3158 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3159 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897 3160
2898 cf::cede_to_tick; 3161 cf::cede_to_tick;
2899 } 3162 }
2900 3163
2901 while (my ($face, $info) = each %$faces) { 3164 while (my ($face, $info) = each %$faces) {
2902 next unless $info->{smooth}; 3165 next unless $info->{smooth};
3166
2903 my $idx = cf::face::find $face 3167 my $idx = cf::face::find $face
2904 or next; 3168 or next;
3169
2905 if (my $smooth = cf::face::find $info->{smooth}) { 3170 if (my $smooth = cf::face::find $info->{smooth}) {
2906 cf::face::set_smooth $idx, $smooth; 3171 cf::face::set_smooth $idx, $smooth;
2907 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3172 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908 } else { 3173 } else {
2909 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3174 warn "smooth face '$info->{smooth}' not found for face '$face'";
2927 { 3192 {
2928 # TODO: for gcfclient pleasure, we should give resources 3193 # TODO: for gcfclient pleasure, we should give resources
2929 # that gcfclient doesn't grok a >10000 face index. 3194 # that gcfclient doesn't grok a >10000 face index.
2930 my $res = $facedata->{resource}; 3195 my $res = $facedata->{resource};
2931 3196
2932 my $soundconf = delete $res->{"res/sound.conf"};
2933
2934 while (my ($name, $info) = each %$res) { 3197 while (my ($name, $info) = each %$res) {
3198 if (defined $info->{type}) {
2935 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3199 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936 my $data; 3200 my $data;
2937 3201
2938 if ($info->{type} & 1) { 3202 if ($info->{type} & 1) {
2939 # prepend meta info 3203 # prepend meta info
2940 3204
2941 my $meta = $enc->encode ({ 3205 my $meta = $enc->encode ({
2942 name => $name, 3206 name => $name,
2943 %{ $info->{meta} || {} }, 3207 %{ $info->{meta} || {} },
2944 }); 3208 });
2945 3209
2946 $data = pack "(w/a*)*", $meta, $info->{data}; 3210 $data = pack "(w/a*)*", $meta, $info->{data};
3211 } else {
3212 $data = $info->{data};
3213 }
3214
3215 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3216 cf::face::set_type $idx, $info->{type};
2947 } else { 3217 } else {
2948 $data = $info->{data}; 3218 $RESOURCE{$name} = $info;
2949 } 3219 }
2950 3220
2951 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952 cf::face::set_type $idx, $info->{type};
2953
2954 cf::cede_to_tick; 3221 cf::cede_to_tick;
2955 } 3222 }
2956 3223
2957 if ($soundconf) { 3224 if (my $soundconf = delete $res->{"res/sound.conf"}) {
2958 $soundconf = $enc->decode (delete $soundconf->{data}); 3225 $soundconf = $enc->decode (delete $soundconf->{data});
2959 3226
2960 for (0 .. SOUND_CAST_SPELL_0 - 1) { 3227 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961 my $sound = $soundconf->{compat}[$_] 3228 my $sound = $soundconf->{compat}[$_]
2962 or next; 3229 or next;
3058sub main { 3325sub main {
3059 # we must not ever block the main coroutine 3326 # we must not ever block the main coroutine
3060 local $Coro::idle = sub { 3327 local $Coro::idle = sub {
3061 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3328 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062 (async { 3329 (async {
3063 Event::one_event; 3330 $Coro::current->{desc} = "IDLE BUG HANDLER";
3331 EV::loop EV::LOOP_ONESHOT;
3064 })->prio (Coro::PRIO_MAX); 3332 })->prio (Coro::PRIO_MAX);
3065 }; 3333 };
3066 3334
3067 reload_config; 3335 reload_config;
3068 db_init; 3336 db_init;
3069 load_extensions; 3337 load_extensions;
3070 3338
3071 $TICK_WATCHER->start; 3339 $TICK_WATCHER->start;
3340 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3072 Event::loop; 3341 EV::loop;
3073} 3342}
3074 3343
3075############################################################################# 3344#############################################################################
3076# initialisation and cleanup 3345# initialisation and cleanup
3077 3346
3078# install some emergency cleanup handlers 3347# install some emergency cleanup handlers
3079BEGIN { 3348BEGIN {
3349 our %SIGWATCHER = ();
3080 for my $signal (qw(INT HUP TERM)) { 3350 for my $signal (qw(INT HUP TERM)) {
3081 Event->signal ( 3351 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3082 reentrant => 0,
3083 data => WF_AUTOCANCEL,
3084 signal => $signal,
3085 prio => 0,
3086 cb => sub {
3087 cf::cleanup "SIG$signal"; 3352 cf::cleanup "SIG$signal";
3088 },
3089 ); 3353 };
3090 } 3354 }
3091} 3355}
3092 3356
3093sub write_runtime { 3357sub write_runtime {
3094 my $runtime = "$LOCALDIR/runtime"; 3358 my $runtime = "$LOCALDIR/runtime";
3139 # and maps saved/destroyed asynchronously. 3403 # and maps saved/destroyed asynchronously.
3140 warn "begin emergency player save\n"; 3404 warn "begin emergency player save\n";
3141 for my $login (keys %cf::PLAYER) { 3405 for my $login (keys %cf::PLAYER) {
3142 my $pl = $cf::PLAYER{$login} or next; 3406 my $pl = $cf::PLAYER{$login} or next;
3143 $pl->valid or next; 3407 $pl->valid or next;
3408 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144 $pl->save; 3409 $pl->save;
3145 } 3410 }
3146 warn "end emergency player save\n"; 3411 warn "end emergency player save\n";
3147 3412
3148 warn "begin emergency map save\n"; 3413 warn "begin emergency map save\n";
3187 warn "syncing database to disk"; 3452 warn "syncing database to disk";
3188 BDB::db_env_txn_checkpoint $DB_ENV; 3453 BDB::db_env_txn_checkpoint $DB_ENV;
3189 3454
3190 # if anything goes wrong in here, we should simply crash as we already saved 3455 # if anything goes wrong in here, we should simply crash as we already saved
3191 3456
3192 warn "cancelling all WF_AUTOCANCEL watchers";
3193 for (Event::all_watchers) {
3194 $_->cancel if $_->data & WF_AUTOCANCEL;
3195 }
3196
3197 warn "flushing outstanding aio requests"; 3457 warn "flushing outstanding aio requests";
3198 for (;;) { 3458 for (;;) {
3199 BDB::flush; 3459 BDB::flush;
3200 IO::AIO::flush; 3460 IO::AIO::flush;
3201 Coro::cede; 3461 Coro::cede_notself;
3202 last unless IO::AIO::nreqs || BDB::nreqs; 3462 last unless IO::AIO::nreqs || BDB::nreqs;
3203 warn "iterate..."; 3463 warn "iterate...";
3204 } 3464 }
3205 3465
3206 ++$RELOAD; 3466 ++$RELOAD;
3295 3555
3296sub reload_perl() { 3556sub reload_perl() {
3297 # doing reload synchronously and two reloads happen back-to-back, 3557 # doing reload synchronously and two reloads happen back-to-back,
3298 # coro crashes during coro_state_free->destroy here. 3558 # coro crashes during coro_state_free->destroy here.
3299 3559
3300 $RELOAD_WATCHER ||= Event->timer ( 3560 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3301 reentrant => 0,
3302 after => 0,
3303 data => WF_AUTOCANCEL,
3304 cb => sub {
3305 do_reload_perl;
3306 undef $RELOAD_WATCHER; 3561 undef $RELOAD_WATCHER;
3307 }, 3562 do_reload_perl;
3308 ); 3563 };
3309} 3564}
3310 3565
3311register_command "reload" => sub { 3566register_command "reload" => sub {
3312 my ($who, $arg) = @_; 3567 my ($who, $arg) = @_;
3313 3568
3314 if ($who->flag (FLAG_WIZ)) { 3569 if ($who->flag (FLAG_WIZ)) {
3315 $who->message ("reloading server."); 3570 $who->message ("reloading server.");
3571 async {
3572 $Coro::current->{desc} = "perl_reload";
3316 async { reload_perl }; 3573 reload_perl;
3574 };
3317 } 3575 }
3318}; 3576};
3319 3577
3320unshift @INC, $LIBDIR; 3578unshift @INC, $LIBDIR;
3321 3579
3340 my $signal = new Coro::Signal; 3598 my $signal = new Coro::Signal;
3341 push @WAIT_FOR_TICK_BEGIN, $signal; 3599 push @WAIT_FOR_TICK_BEGIN, $signal;
3342 $signal->wait; 3600 $signal->wait;
3343} 3601}
3344 3602
3345 my $min = 1e6;#d# 3603$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3346 my $avg = 10;
3347$TICK_WATCHER = Event->timer (
3348 reentrant => 0,
3349 parked => 1,
3350 prio => 0,
3351 at => $NEXT_TICK || $TICK,
3352 data => WF_AUTOCANCEL,
3353 cb => sub {
3354 if ($Coro::current != $Coro::main) { 3604 if ($Coro::current != $Coro::main) {
3355 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356 unless ++$bug_warning > 10; 3606 unless ++$bug_warning > 10;
3357 return; 3607 return;
3358 } 3608 }
3359 3609
3360 $NOW = $tick_start = Event::time; 3610 $NOW = $tick_start = EV::now;
3361 3611
3362 cf::server_tick; # one server iteration 3612 cf::server_tick; # one server iteration
3363 3613
3364 0 && sync_job {#d# 3614 $RUNTIME += $TICK;
3365 for(1..10) { 3615 $NEXT_TICK = $_[0]->at;
3366 my $t = Event::time;
3367 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3368 or die;
3369 3616
3370 $map->width (50); 3617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3371 $map->height (50); 3618 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3372 $map->alloc; 3619 Coro::async_pool {
3373 $map->_load_objects ("/tmp/x.map", 1); 3620 $Coro::current->{desc} = "runtime saver";
3374 my $t = Event::time - $t; 3621 write_runtime
3375 3622 or warn "ERROR: unable to write runtime file: $!";
3376 #next unless $t < 0.0013;#d#
3377 if ($t < $min) {
3378 $min = $t;
3379 }
3380 $avg = $avg * 0.99 + $t * 0.01;
3381 }
3382 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383 exit 0;
3384 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385 }; 3623 };
3624 }
3386 3625
3387 $RUNTIME += $TICK;
3388 $NEXT_TICK += $TICK;
3389
3390 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391 $NEXT_RUNTIME_WRITE = $NOW + 10;
3392 Coro::async_pool {
3393 write_runtime
3394 or warn "ERROR: unable to write runtime file: $!";
3395 };
3396 }
3397
3398# my $AFTER = Event::time;
3399# warn $AFTER - $NOW;#d#
3400
3401 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402 $sig->send; 3627 $sig->send;
3403 } 3628 }
3404 while (my $sig = shift @WAIT_FOR_TICK) { 3629 while (my $sig = shift @WAIT_FOR_TICK) {
3405 $sig->send; 3630 $sig->send;
3406 } 3631 }
3407 3632
3408 $NOW = Event::time;
3409
3410 # if we are delayed by four ticks or more, skip them all
3411 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413 $TICK_WATCHER->at ($NEXT_TICK);
3414 $TICK_WATCHER->start;
3415
3416 $LOAD = ($NOW - $tick_start) / $TICK; 3633 $LOAD = ($NOW - $tick_start) / $TICK;
3417 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3634 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418 3635
3419 _post_tick; 3636 _post_tick;
3420 3637};
3421 3638$TICK_WATCHER->priority (EV::MAXPRI);
3422 },
3423);
3424 3639
3425{ 3640{
3426 BDB::max_poll_time $TICK * 0.1; 3641 # configure BDB
3427 $BDB_POLL_WATCHER = Event->io ( 3642
3428 reentrant => 0,
3429 fd => BDB::poll_fileno,
3430 poll => 'r',
3431 prio => 0,
3432 data => WF_AUTOCANCEL,
3433 cb => \&BDB::poll_cb,
3434 );
3435 BDB::min_parallel 8; 3643 BDB::min_parallel 8;
3436 3644 BDB::max_poll_reqs $TICK * 0.1;
3437 BDB::set_sync_prepare { 3645 $Coro::BDB::WATCHER->priority (1);
3438 my $status;
3439 my $current = $Coro::current;
3440 (
3441 sub {
3442 $status = $!;
3443 $current->ready; undef $current;
3444 },
3445 sub {
3446 Coro::schedule while defined $current;
3447 $! = $status;
3448 },
3449 )
3450 };
3451 3646
3452 unless ($DB_ENV) { 3647 unless ($DB_ENV) {
3453 $DB_ENV = BDB::db_env_create; 3648 $DB_ENV = BDB::db_env_create;
3649 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3650 | BDB::LOG_AUTOREMOVE, 1);
3651 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3652 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454 3653
3455 cf::sync_job { 3654 cf::sync_job {
3456 eval { 3655 eval {
3457 BDB::db_env_open 3656 BDB::db_env_open
3458 $DB_ENV, 3657 $DB_ENV,
3460 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3659 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3660 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462 0666; 3661 0666;
3463 3662
3464 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3663 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467 $DB_ENV->set_lk_detect;
3468 }; 3664 };
3469 3665
3470 cf::cleanup "db_env_open(db): $@" if $@; 3666 cf::cleanup "db_env_open(db): $@" if $@;
3471 }; 3667 };
3472 } 3668 }
3669
3670 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3671 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3672 };
3673 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3674 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3675 };
3676 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3677 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3678 };
3473} 3679}
3474 3680
3475{ 3681{
3682 # configure IO::AIO
3683
3476 IO::AIO::min_parallel 8; 3684 IO::AIO::min_parallel 8;
3477
3478 undef $Coro::AIO::WATCHER;
3479 IO::AIO::max_poll_time $TICK * 0.1; 3685 IO::AIO::max_poll_time $TICK * 0.1;
3480 $AIO_POLL_WATCHER = Event->io ( 3686 $Coro::AIO::WATCHER->priority (1);
3481 reentrant => 0,
3482 data => WF_AUTOCANCEL,
3483 fd => IO::AIO::poll_fileno,
3484 poll => 'r',
3485 prio => 6,
3486 cb => \&IO::AIO::poll_cb,
3487 );
3488} 3687}
3489 3688
3490my $_log_backtrace; 3689my $_log_backtrace;
3491 3690
3492sub _log_backtrace { 3691sub _log_backtrace {
3496 3695
3497 # limit the # of concurrent backtraces 3696 # limit the # of concurrent backtraces
3498 if ($_log_backtrace < 2) { 3697 if ($_log_backtrace < 2) {
3499 ++$_log_backtrace; 3698 ++$_log_backtrace;
3500 async { 3699 async {
3700 $Coro::current->{desc} = "abt $msg";
3701
3501 my @bt = fork_call { 3702 my @bt = fork_call {
3502 @addr = map { sprintf "%x", $_ } @addr; 3703 @addr = map { sprintf "%x", $_ } @addr;
3503 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3704 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3705 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505 or die "addr2line: $!"; 3706 or die "addr2line: $!";

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