ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/cf.schmorp.de/server/lib/cf.pm
(Generate patch)

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

10use Event; 10use Event;
11use Opcode; 11use Opcode;
12use Safe; 12use Safe;
13use Safe::Hole; 13use Safe::Hole;
14 14
15use Coro 3.61 (); 15use Coro 3.64 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
24 25
26use JSON::XS ();
25use BDB (); 27use BDB ();
26use Data::Dumper; 28use Data::Dumper;
27use Digest::MD5; 29use Digest::MD5;
28use Fcntl; 30use Fcntl;
29use YAML::Syck (); 31use YAML::Syck ();
30use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
31use Time::HiRes; 33use Time::HiRes;
32use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
33 36
34# configure various modules to our taste 37# configure various modules to our taste
35# 38#
36$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
49our %COMMAND = (); 52our %COMMAND = ();
50our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
51 54
52our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
56 60
57our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
58our @EVENT; 62our @EVENT;
83our %CFG; 87our %CFG;
84 88
85our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 90our $RUNTIME;
87 91
88our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
91 95
92# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
94 102
95binmode STDOUT; 103binmode STDOUT;
96binmode STDERR; 104binmode STDERR;
97 105
98# read virtual server time, if available 106# read virtual server time, if available
139 147
140=item $cf::TICK 148=item $cf::TICK
141 149
142The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
143 151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
161
144=item %cf::CFG 162=item %cf::CFG
145 163
146Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
147from wherever your confdir points to. 165from wherever your confdir points to.
148 166
149=item cf::wait_for_tick, cf::wait_for_tick_begin 167=item cf::wait_for_tick, cf::wait_for_tick_begin
150 168
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
154 178
155=back 179=back
156 180
157=cut 181=cut
158 182
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 204
180# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 206# within the Safe compartment.
182for my $pkg (qw( 207for my $pkg (qw(
183 cf::global cf::attachable 208 cf::global cf::attachable
191} 216}
192 217
193$Event::DIED = sub { 218$Event::DIED = sub {
194 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
195}; 220};
221
222#############################################################################
196 223
197=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
198 225
199=over 4 226=over 4
200 227
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 247 $d
221 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
222} 249}
223 250
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
227 252
228Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
229 254
230=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
231 256
232Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
258
259=cut
260
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262
263sub to_json ($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) }
233 265
234=item cf::lock_wait $string 266=item cf::lock_wait $string
235 267
236Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
237 269
239 271
240Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
243returned. 275returned.
276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
244 279
245Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
247 282
248=item $locked = cf::lock_active $string 283=item $locked = cf::lock_active $string
291 }; 326 };
292 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
293 $guard 328 $guard
294} 329}
295 330
331=item cf::get_slot $time[, $priority[, $name]]
332
333Allocate $time seconds of blocking CPU time at priority C<$priority>:
334This call blocks and returns only when you have at least C<$time> seconds
335of cpu time till the next tick. The slot is only valid till the next cede.
336
337The optional C<$name> can be used to identify the job to run. It might be
338used for statistical purposes and should identify the same time-class.
339
340Useful for short background jobs.
341
342=cut
343
344our @SLOT_QUEUE;
345our $SLOT_QUEUE;
346
347$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async {
349 my $signal = new Coro::Signal;
350
351 while () {
352 next_job:
353 my $avail = cf::till_tick;
354 if ($avail > 0.01) {
355 for (0 .. $#SLOT_QUEUE) {
356 if ($SLOT_QUEUE[$_][0] < $avail) {
357 my $job = splice @SLOT_QUEUE, $_, 1, ();
358 $job->[2]->send;
359 Coro::cede;
360 goto next_job;
361 }
362 }
363 }
364
365 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait;
369 } else {
370 Coro::schedule;
371 }
372 }
373};
374
375sub get_slot($;$$) {
376 my ($time, $pri, $name) = @_;
377
378 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal;
380
381 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383 $SLOT_QUEUE->ready;
384 $sig->wait;
385}
386
296=item cf::async { BLOCK } 387=item cf::async { BLOCK }
297 388
298Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
299C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 390C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300thing you are allowed to do is call C<prio> on it. 391thing you are allowed to do is call C<prio> on it.
303 394
304BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
305 396
306=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
307 398
308The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable.
311 403
312If it must be done, put the blocking parts into C<sync_job>. This will run 404If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 406server will be frozen during this time, so the block should either finish
315fast or be very important. 407fast or be very important.
318 410
319sub sync_job(&) { 411sub sync_job(&) {
320 my ($job) = @_; 412 my ($job) = @_;
321 413
322 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
323 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
325 419
326 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
327 # (but this is cancel-safe) 421 # (but this is cancel-safe)
338 432
339 while ($busy) { 433 while ($busy) {
340 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
341 } 435 }
342 436
437 $time = Event::time - $time;
438
439 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442 $tick_start += $time; # do not account sync jobs to server load
443
343 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
344 } else { 445 } else {
345 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
346 447
347 $job->() 448 $job->()
366 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
367 468
368 $coro 469 $coro
369} 470}
370 471
371sub write_runtime { 472=item fork_call { }, $args
372 my $runtime = "$LOCALDIR/runtime";
373 473
374 # first touch the runtime file to show we are still running: 474Executes the given code block with the given arguments in a seperate
375 # the fsync below can take a very very long time. 475process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling.
376 478
377 warn "touching runtime...\n";#d# 479=cut
378 if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379 utime undef, undef, $fh;
380 }
381 480
382 my $guard = cf::lock_acquire "write_runtime"; 481sub fork_call(&@) {
482 my ($cb, @args) = @_;
383 483
384 warn "starting to write runtime...\n";#d# 484 # we seemingly have to make a local copy of the whole thing,
385 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 485 # otherwise perl prematurely frees the stuff :/
386 or return; 486 # TODO: investigate and fix (likely this will be rather laborious)
387 487
388 my $value = $cf::RUNTIME + 90 + 10; 488 my @res = Coro::Util::fork_eval {
389 # 10 is the runtime save interval, for a monotonic clock 489 reset_signals;
390 # 60 allows for the watchdog to kill the server. 490 &$cb
491 }, @args;
391 492
392 (aio_write $fh, 0, (length $value), $value, 0) <= 0 493 wantarray ? @res : $res[-1]
393 and return; 494}
394 495
395 # always fsync - this file is important 496=item $value = cf::db_get $family => $key
396 aio_fsync $fh
397 and return;
398 497
399 # touch it again to show we are up-to-date 498Returns a single value from the environment database.
400 utime undef, undef, $fh;
401 499
402 close $fh 500=item cf::db_put $family => $key => $value
403 or return;
404 501
405 aio_rename "$runtime~", $runtime 502Stores the given C<$value> in the family. It can currently store binary
406 and return; 503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
407 504
408 warn "... done writing runtime.\n";#d# 505=cut
409 506
507our $DB;
508
509sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job {
514 eval {
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 };
410 1 523 }
524}
525
526sub db_get($$) {
527 my $key = "$_[0]/$_[1]";
528
529 cf::sync_job {
530 BDB::db_get $DB, undef, $key, my $data;
531
532 $! ? ()
533 : $data
534 }
535}
536
537sub db_put($$$) {
538 BDB::dbreq_pri 4;
539 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
540}
541
542=item cf::cache $id => [$paths...], $processversion => $process
543
544Generic caching function that returns the value of the resource $id,
545caching and regenerating as required.
546
547This function can block.
548
549=cut
550
551sub cache {
552 my ($id, $src, $processversion, $process) = @_;
553
554 my $meta =
555 join "\x00",
556 $processversion,
557 map {
558 aio_stat $_
559 and Carp::croak "$_: $!";
560
561 ($_, (stat _)[7,9])
562 } @$src;
563
564 my $dbmeta = db_get cache => "$id/meta";
565 if ($dbmeta ne $meta) {
566 # changed, we may need to process
567
568 my @data;
569 my $md5;
570
571 for (0 .. $#$src) {
572 0 <= aio_load $src->[$_], $data[$_]
573 or Carp::croak "$src->[$_]: $!";
574 }
575
576 # if processing is expensive, check
577 # checksum first
578 if (1) {
579 $md5 =
580 join "\x00",
581 $processversion,
582 map {
583 cf::cede_to_tick;
584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
585 } 0.. $#$src;
586
587
588 my $dbmd5 = db_get cache => "$id/md5";
589 if ($dbmd5 eq $md5) {
590 db_put cache => "$id/meta", $meta;
591
592 return db_get cache => "$id/data";
593 }
594 }
595
596 my $t1 = Time::HiRes::time;
597 my $data = $process->(\@data);
598 my $t2 = Time::HiRes::time;
599
600 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
601
602 db_put cache => "$id/data", $data;
603 db_put cache => "$id/md5" , $md5;
604 db_put cache => "$id/meta", $meta;
605
606 return $data;
607 }
608
609 db_get cache => "$id/data"
411} 610}
412 611
413=item cf::datalog type => key => value, ... 612=item cf::datalog type => key => value, ...
414 613
415Log a datalog packet of the given type with the given key-value pairs. 614Log a datalog packet of the given type with the given key-value pairs.
433attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
434to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
435 634
436In the following description, CLASS can be any of C<global>, C<object> 635In the following description, CLASS can be any of C<global>, C<object>
437C<player>, C<client> or C<map> (i.e. the attachable objects in 636C<player>, C<client> or C<map> (i.e. the attachable objects in
438crossfire+). 637Crossfire TRT).
439 638
440=over 4 639=over 4
441 640
442=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
443 642
606 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
607 806
608 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
609 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
610 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
611 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612 811
613 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
614 my $pkg = shift @arg; 813 my $pkg = shift @arg;
615 814
616 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
645 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
646 } 845 }
647 846
648 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
649 } else { 848 } else {
650 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
651 } 850 }
652 851
653 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
654} 853}
655 854
657 if (ref $_[0]) { 856 if (ref $_[0]) {
658 _object_attach @_; 857 _object_attach @_;
659 } else { 858 } else {
660 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
661 } 860 }
861 _recalc_want;
662}; 862};
663 863
664# all those should be optimised 864# all those should be optimised
665sub cf::attachable::detach { 865sub cf::attachable::detach {
666 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
669 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
670 reattach ($obj); 870 reattach ($obj);
671 } else { 871 } else {
672 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
673 } 873 }
874 _recalc_want;
674}; 875};
675 876
676sub cf::attachable::attached { 877sub cf::attachable::attached {
677 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
678 879
693 "; 894 ";
694 die if $@; 895 die if $@;
695} 896}
696 897
697our $override; 898our $override;
698our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 899our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699 900
700sub override { 901sub override {
701 $override = 1; 902 $override = 1;
702 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
703} 904}
704 905
705sub do_invoke { 906sub do_invoke {
706 my $event = shift; 907 my $event = shift;
707 my $callbacks = shift; 908 my $callbacks = shift;
708 909
709 @invoke_results = (); 910 @INVOKE_RESULTS = ();
710 911
711 local $override; 912 local $override;
712 913
713 for (@$callbacks) { 914 for (@$callbacks) {
714 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
731 932
732Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
733 934
734This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 935This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735removed in future versions), and there is no public API to access override 936removed in future versions), and there is no public API to access override
736results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737 938
738=back 939=back
739 940
740=cut 941=cut
741 942
742############################################################################# 943#############################################################################
743# object support 944# object support
945#
946
947sub _can_merge {
948 my ($ob1, $ob2) = @_;
949
950 local $Storable::canonical = 1;
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953
954 $fob1 eq $fob2
955}
744 956
745sub reattach { 957sub reattach {
746 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
747 my ($obj) = @_; 959 my ($obj) = @_;
748 960
792 }, 1004 },
793); 1005);
794 1006
795sub object_freezer_save { 1007sub object_freezer_save {
796 my ($filename, $rdata, $objs) = @_; 1008 my ($filename, $rdata, $objs) = @_;
1009
1010 my $guard = cf::lock_acquire "io";
797 1011
798 sync_job { 1012 sync_job {
799 if (length $$rdata) { 1013 if (length $$rdata) {
800 warn sprintf "saving %s (%d,%d)\n", 1014 warn sprintf "saving %s (%d,%d)\n",
801 $filename, length $$rdata, scalar @$objs; 1015 $filename, length $$rdata, scalar @$objs;
825 } 1039 }
826 } else { 1040 } else {
827 aio_unlink $filename; 1041 aio_unlink $filename;
828 aio_unlink "$filename.pst"; 1042 aio_unlink "$filename.pst";
829 } 1043 }
830 } 1044 };
1045
1046 undef $guard;
831} 1047}
832 1048
833sub object_freezer_as_string { 1049sub object_freezer_as_string {
834 my ($rdata, $objs) = @_; 1050 my ($rdata, $objs) = @_;
835 1051
840 1056
841sub object_thawer_load { 1057sub object_thawer_load {
842 my ($filename) = @_; 1058 my ($filename) = @_;
843 1059
844 my ($data, $av); 1060 my ($data, $av);
1061
1062 my $guard = cf::lock_acquire "io";
845 1063
846 (aio_load $filename, $data) >= 0 1064 (aio_load $filename, $data) >= 0
847 or return; 1065 or return;
848 1066
849 unless (aio_stat "$filename.pst") { 1067 unless (aio_stat "$filename.pst") {
850 (aio_load "$filename.pst", $av) >= 0 1068 (aio_load "$filename.pst", $av) >= 0
851 or return; 1069 or return;
1070
1071 undef $guard;
852 $av = eval { (Storable::thaw $av)->{objs} }; 1072 $av = eval { (Storable::thaw $av)->{objs} };
853 } 1073 }
854 1074
855 warn sprintf "loading %s (%d)\n", 1075 warn sprintf "loading %s (%d)\n",
856 $filename, length $data, scalar @{$av || []};#d# 1076 $filename, length $data, scalar @{$av || []};
1077
857 return ($data, $av); 1078 ($data, $av)
858} 1079}
1080
1081=head2 COMMAND CALLBACKS
1082
1083=over 4
1084
1085=cut
859 1086
860############################################################################# 1087#############################################################################
861# command handling &c 1088# command handling &c
862 1089
863=item cf::register_command $name => \&callback($ob,$args); 1090=item cf::register_command $name => \&callback($ob,$args);
876 push @{ $COMMAND{$name} }, [$caller, $cb]; 1103 push @{ $COMMAND{$name} }, [$caller, $cb];
877} 1104}
878 1105
879=item cf::register_extcmd $name => \&callback($pl,$packet); 1106=item cf::register_extcmd $name => \&callback($pl,$packet);
880 1107
881Register a callbackf ro execution when the client sends an extcmd packet. 1108Register a callback for execution when the client sends an (synchronous)
1109extcmd packet. Ext commands will be processed in the order they are
1110received by the server, like other user commands. The first argument is
1111the logged-in player. Ext commands can only be processed after a player
1112has logged in successfully.
882 1113
883If the callback returns something, it is sent back as if reply was being 1114If the callback returns something, it is sent back as if reply was being
884called. 1115called.
885 1116
1117=item cf::register_exticmd $name => \&callback($ns,$packet);
1118
1119Register a callback for execution when the client sends an (asynchronous)
1120exticmd packet. Exti commands are processed by the server as soon as they
1121are received, i.e. out of order w.r.t. other commands. The first argument
1122is a client socket. Exti commands can be received anytime, even before
1123log-in.
1124
1125If the callback returns something, it is sent back as if reply was being
1126called.
1127
886=cut 1128=cut
887 1129
888sub register_extcmd { 1130sub register_extcmd {
889 my ($name, $cb) = @_; 1131 my ($name, $cb) = @_;
890 1132
891 $EXTCMD{$name} = $cb; 1133 $EXTCMD{$name} = $cb;
1134}
1135
1136sub register_exticmd {
1137 my ($name, $cb) = @_;
1138
1139 $EXTICMD{$name} = $cb;
892} 1140}
893 1141
894cf::player->attach ( 1142cf::player->attach (
895 on_command => sub { 1143 on_command => sub {
896 my ($pl, $name, $params) = @_; 1144 my ($pl, $name, $params) = @_;
905 cf::override; 1153 cf::override;
906 }, 1154 },
907 on_extcmd => sub { 1155 on_extcmd => sub {
908 my ($pl, $buf) = @_; 1156 my ($pl, $buf) = @_;
909 1157
910 my $msg = eval { from_json $buf }; 1158 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911 1159
912 if (ref $msg) { 1160 if (ref $msg) {
1161 my ($type, $reply, @payload) =
1162 "ARRAY" eq ref $msg
1163 ? @$msg
1164 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1165
1166 my @reply;
1167
913 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1168 if (my $cb = $EXTCMD{$type}) {
914 if (my %reply = $cb->($pl, $msg)) { 1169 @reply = $cb->($pl, @payload);
915 $pl->ext_reply ($msg->{msgid}, %reply);
916 }
917 } 1170 }
1171
1172 $pl->ext_reply ($reply, @reply)
1173 if $reply;
1174
918 } else { 1175 } else {
919 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1176 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920 } 1177 }
921 1178
922 cf::override; 1179 cf::override;
923 }, 1180 },
924); 1181);
925 1182
926sub load_extension {
927 my ($path) = @_;
928
929 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
930 my $base = $1;
931 my $pkg = $1;
932 $pkg =~ s/[^[:word:]]/_/g;
933 $pkg = "ext::$pkg";
934
935 warn "... loading '$path' into '$pkg'\n";
936
937 open my $fh, "<:utf8", $path
938 or die "$path: $!";
939
940 my $source =
941 "package $pkg; use strict; use utf8;\n"
942 . "#line 1 \"$path\"\n{\n"
943 . (do { local $/; <$fh> })
944 . "\n};\n1";
945
946 unless (eval $source) {
947 my $msg = $@ ? "$path: $@\n"
948 : "extension disabled.\n";
949 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950 warn $@;
951 warn "mandatory extension failed to load, exiting.\n";
952 exit 1;
953 }
954 die $@;
955 }
956
957 push @EXTS, $pkg;
958}
959
960sub load_extensions { 1183sub load_extensions {
1184 cf::sync_job {
1185 my %todo;
1186
961 for my $ext (<$LIBDIR/*.ext>) { 1187 for my $path (<$LIBDIR/*.ext>) {
962 next unless -r $ext; 1188 next unless -r $path;
963 eval { 1189
964 load_extension $ext; 1190 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1191 my $base = $1;
1192 my $pkg = $1;
1193 $pkg =~ s/[^[:word:]]/_/g;
1194 $pkg = "ext::$pkg";
1195
1196 open my $fh, "<:utf8", $path
1197 or die "$path: $!";
1198
1199 my $source = do { local $/; <$fh> };
1200
1201 my %ext = (
1202 path => $path,
1203 base => $base,
1204 pkg => $pkg,
1205 );
1206
1207 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209
1210 $ext{source} =
1211 "package $pkg; use strict; use utf8;\n"
1212 . "#line 1 \"$path\"\n{\n"
1213 . $source
1214 . "\n};\n1";
1215
1216 $todo{$base} = \%ext;
1217 }
1218
1219 my %done;
1220 while (%todo) {
1221 my $progress;
1222
1223 while (my ($k, $v) = each %todo) {
1224 for (split /,\s*/, $v->{meta}{depends}) {
1225 goto skip
1226 unless exists $done{$_};
1227 }
1228
1229 warn "... loading '$k' into '$v->{pkg}'\n";
1230
1231 unless (eval $v->{source}) {
1232 my $msg = $@ ? "$v->{path}: $@\n"
1233 : "$v->{base}: extension inactive.\n";
1234
1235 if (exists $v->{meta}{mandatory}) {
1236 warn $msg;
1237 warn "mandatory extension failed to load, exiting.\n";
1238 exit 1;
1239 }
1240
1241 warn $msg;
1242 }
1243
1244 $done{$k} = delete $todo{$k};
1245 push @EXTS, $v->{pkg};
1246 $progress = 1;
965 1 1247 }
966 } or warn "$ext not loaded: $@"; 1248
1249 skip:
1250 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1251 unless $progress;
1252 }
967 } 1253 };
968} 1254}
969 1255
970############################################################################# 1256#############################################################################
1257
1258=back
971 1259
972=head2 CORE EXTENSIONS 1260=head2 CORE EXTENSIONS
973 1261
974Functions and methods that extend core crossfire objects. 1262Functions and methods that extend core crossfire objects.
975 1263
1025 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1313 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1314 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1315 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028 aio_unlink +(playerdir $login) . "/$login.pl"; 1316 aio_unlink +(playerdir $login) . "/$login.pl";
1029 1317
1030 my $pl = load_pl path $login 1318 my $f = new_from_file cf::object::thawer path $login
1031 or return; 1319 or return;
1320
1321 $f->next;
1322 my $pl = cf::player::load_pl $f
1323 or return;
1324 local $cf::PLAYER_LOADING{$login} = $pl;
1325 $f->resolve_delayed_derefs;
1032 $cf::PLAYER{$login} = $pl 1326 $cf::PLAYER{$login} = $pl
1033 } 1327 }
1034 } 1328 }
1035} 1329}
1036 1330
1046 1340
1047 aio_mkdir playerdir $pl, 0770; 1341 aio_mkdir playerdir $pl, 0770;
1048 $pl->{last_save} = $cf::RUNTIME; 1342 $pl->{last_save} = $cf::RUNTIME;
1049 1343
1050 $pl->save_pl ($path); 1344 $pl->save_pl ($path);
1051 Coro::cede; 1345 cf::cede_to_tick;
1052} 1346}
1053 1347
1054sub new($) { 1348sub new($) {
1055 my ($login) = @_; 1349 my ($login) = @_;
1056 1350
1060 $self->{deny_save} = 1; 1354 $self->{deny_save} = 1;
1061 1355
1062 $cf::PLAYER{$login} = $self; 1356 $cf::PLAYER{$login} = $self;
1063 1357
1064 $self 1358 $self
1359}
1360
1361=item $player->send_msg ($channel, $msg, $color, [extra...])
1362
1363=cut
1364
1365sub send_msg {
1366 my $ns = shift->ns
1367 or return;
1368 $ns->send_msg (@_);
1065} 1369}
1066 1370
1067=item $pl->quit_character 1371=item $pl->quit_character
1068 1372
1069Nukes the player without looking back. If logged in, the connection will 1373Nukes the player without looking back. If logged in, the connection will
1124 or return []; 1428 or return [];
1125 1429
1126 my @logins; 1430 my @logins;
1127 1431
1128 for my $login (@$dirs) { 1432 for my $login (@$dirs) {
1433 my $path = path $login;
1434
1435 # a .pst is a dead give-away for a valid player
1436 unless (-e "$path.pst") {
1129 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1437 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130 aio_read $fh, 0, 512, my $buf, 0 or next; 1438 aio_read $fh, 0, 512, my $buf, 0 or next;
1131 $buf !~ /^password -------------$/m or next; # official not-valid tag 1439 $buf !~ /^password -------------$/m or next; # official not-valid tag
1440 }
1132 1441
1133 utf8::decode $login; 1442 utf8::decode $login;
1134 push @logins, $login; 1443 push @logins, $login;
1135 } 1444 }
1136 1445
1163 } 1472 }
1164 1473
1165 \@paths 1474 \@paths
1166} 1475}
1167 1476
1477=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1478
1479Expand crossfire pod fragments into protocol xml.
1480
1481=cut
1482
1483sub expand_cfpod {
1484 ((my $self), (local $_)) = @_;
1485
1486 # escape & and <
1487 s/&/&amp;/g;
1488 s/(?<![BIUGHT])</&lt;/g;
1489
1490 # this is buggy, it needs to properly take care of nested <'s
1491
1492 1 while
1493 # replace B<>, I<>, U<> etc.
1494 s/B<([^\>]*)>/<b>$1<\/b>/
1495 || s/I<([^\>]*)>/<i>$1<\/i>/
1496 || s/U<([^\>]*)>/<u>$1<\/u>/
1497 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527
1168=item $player->ext_reply ($msgid, %msg) 1528=item $player->ext_reply ($msgid, @msg)
1169 1529
1170Sends an ext reply to the player. 1530Sends an ext reply to the player.
1171 1531
1172=cut 1532=cut
1173 1533
1174sub ext_reply($$%) { 1534sub ext_reply($$@) {
1175 my ($self, $id, %msg) = @_; 1535 my ($self, $id, @msg) = @_;
1176 1536
1177 $msg{msgid} = $id; 1537 $self->ns->ext_reply ($id, @msg)
1178
1179 $self->send ("ext " . cf::to_json \%msg);
1180} 1538}
1181 1539
1182=item $player->ext_event ($type, %msg) 1540=item $player->ext_msg ($type, @msg)
1183 1541
1184Sends an ext event to the client. 1542Sends an ext event to the client.
1185 1543
1186=cut 1544=cut
1187 1545
1188sub ext_event($$%) { 1546sub ext_msg($$@) {
1189 my ($self, $type, %msg) = @_; 1547 my ($self, $type, @msg) = @_;
1190 1548
1191 $self->ns->ext_event ($type, %msg); 1549 $self->ns->ext_msg ($type, @msg);
1192} 1550}
1193 1551
1194=head3 cf::region 1552=head3 cf::region
1195 1553
1196=over 4 1554=over 4
1199 1557
1200package cf::region; 1558package cf::region;
1201 1559
1202=item cf::region::find_by_path $path 1560=item cf::region::find_by_path $path
1203 1561
1204Tries to decuce the probable region for a map knowing only its path. 1562Tries to decuce the likely region for a map knowing only its path.
1205 1563
1206=cut 1564=cut
1207 1565
1208sub find_by_path($) { 1566sub find_by_path($) {
1209 my ($path) = @_; 1567 my ($path) = @_;
1210 1568
1211 my ($match, $specificity); 1569 my ($match, $specificity);
1212 1570
1213 for my $region (list) { 1571 for my $region (list) {
1214 if ($region->match && $path =~ $region->match) { 1572 if ($region->{match} && $path =~ $region->{match}) {
1215 ($match, $specificity) = ($region, $region->specificity) 1573 ($match, $specificity) = ($region, $region->specificity)
1216 if $region->specificity > $specificity; 1574 if $region->specificity > $specificity;
1217 } 1575 }
1218 } 1576 }
1219 1577
1283 my ($self, $merge) = @_; 1641 my ($self, $merge) = @_;
1284 1642
1285 # we have to keep some variables in memory intact 1643 # we have to keep some variables in memory intact
1286 local $self->{path}; 1644 local $self->{path};
1287 local $self->{load_path}; 1645 local $self->{load_path};
1288 local $self->{deny_save};
1289 local $self->{deny_reset};
1290 1646
1291 $self->SUPER::thawer_merge ($merge); 1647 $self->SUPER::thawer_merge ($merge);
1292} 1648}
1293 1649
1294sub normalise { 1650sub normalise {
1341 $self->init; # pass $1 etc. 1697 $self->init; # pass $1 etc.
1342 return $self; 1698 return $self;
1343 } 1699 }
1344 } 1700 }
1345 1701
1346 Carp::carp "unable to resolve path '$path' (base '$base')."; 1702 Carp::cluck "unable to resolve path '$path' (base '$base').";
1347 () 1703 ()
1348} 1704}
1349 1705
1350sub init { 1706sub init {
1351 my ($self) = @_; 1707 my ($self) = @_;
1394 1750
1395 $_->change_map_light ($change) 1751 $_->change_map_light ($change)
1396 for grep $_->outdoor, values %cf::MAP; 1752 for grep $_->outdoor, values %cf::MAP;
1397} 1753}
1398 1754
1755sub decay_objects {
1756 my ($self) = @_;
1757
1758 return if $self->{deny_reset};
1759
1760 $self->do_decay_objects;
1761}
1762
1399sub unlink_save { 1763sub unlink_save {
1400 my ($self) = @_; 1764 my ($self) = @_;
1401 1765
1402 utf8::encode (my $save = $self->save_path); 1766 utf8::encode (my $save = $self->save_path);
1403 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1767 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1406 1770
1407sub load_header_from($) { 1771sub load_header_from($) {
1408 my ($self, $path) = @_; 1772 my ($self, $path) = @_;
1409 1773
1410 utf8::encode $path; 1774 utf8::encode $path;
1411 #aio_open $path, O_RDONLY, 0 1775 my $f = new_from_file cf::object::thawer $path
1412 # or return;
1413
1414 $self->_load_header ($path)
1415 or return; 1776 or return;
1777
1778 $self->_load_header ($f)
1779 or return;
1780
1781 local $MAP_LOADING{$self->{path}} = $self;
1782 $f->resolve_delayed_derefs;
1416 1783
1417 $self->{load_path} = $path; 1784 $self->{load_path} = $path;
1418 1785
1419 1 1786 1
1420} 1787}
1459 $self->load_header_orig 1826 $self->load_header_orig
1460 or return; 1827 or return;
1461 $self->prepare_orig; 1828 $self->prepare_orig;
1462 } 1829 }
1463 1830
1831 $self->{deny_reset} = 1
1832 if $self->no_reset;
1833
1464 $self->default_region (cf::region::find_by_path $self->{path}) 1834 $self->default_region (cf::region::find_by_path $self->{path})
1465 unless $self->default_region; 1835 unless $self->default_region;
1466 1836
1467 1 1837 1
1468} 1838}
1483 $map->{last_save} = $cf::RUNTIME; 1853 $map->{last_save} = $cf::RUNTIME;
1484 1854
1485 $map->load_header 1855 $map->load_header
1486 or return; 1856 or return;
1487 1857
1488 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1858 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489 # doing this can freeze the server in a sync job, obviously 1859 # doing this can freeze the server in a sync job, obviously
1490 #$cf::WAIT_FOR_TICK->wait; 1860 #$cf::WAIT_FOR_TICK->wait;
1491 $map->reset; 1861 $map->reset;
1492 undef $guard; 1862 undef $guard;
1493 return find $path; 1863 return find $path;
1506 local $self->{deny_reset} = 1; # loading can take a long time 1876 local $self->{deny_reset} = 1; # loading can take a long time
1507 1877
1508 my $path = $self->{path}; 1878 my $path = $self->{path};
1509 1879
1510 { 1880 {
1881 my $guard1 = cf::lock_acquire "map_data:$path";
1511 my $guard = cf::lock_acquire "map_load:$path"; 1882 my $guard2 = cf::lock_acquire "map_load:$path";
1512 1883
1513 return if $self->in_memory != cf::MAP_SWAPPED; 1884 return if $self->in_memory != cf::MAP_SWAPPED;
1514 1885
1515 $self->in_memory (cf::MAP_LOADING); 1886 $self->in_memory (cf::MAP_LOADING);
1516 1887
1517 $self->alloc; 1888 $self->alloc;
1518 1889
1519 $self->pre_load; 1890 $self->pre_load;
1520 Coro::cede; 1891 cf::cede_to_tick;
1521 1892
1893 my $f = new_from_file cf::object::thawer $self->{load_path};
1894 $f->skip_block;
1522 $self->_load_objects ($self->{load_path}, 1) 1895 $self->_load_objects ($f)
1523 or return; 1896 or return;
1524 1897
1525 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526 if delete $self->{load_original}; 1899 if delete $self->{load_original};
1527 1900
1528 if (my $uniq = $self->uniq_path) { 1901 if (my $uniq = $self->uniq_path) {
1529 utf8::encode $uniq; 1902 utf8::encode $uniq;
1530 if (aio_open $uniq, O_RDONLY, 0) { 1903 unless (aio_stat $uniq) {
1904 if (my $f = new_from_file cf::object::thawer $uniq) {
1531 $self->clear_unique_items; 1905 $self->clear_unique_items;
1532 $self->_load_objects ($uniq, 0); 1906 $self->_load_objects ($f);
1907 $f->resolve_delayed_derefs;
1908 }
1533 } 1909 }
1534 } 1910 }
1535 1911
1536 Coro::cede; 1912 $f->resolve_delayed_derefs;
1913
1914 cf::cede_to_tick;
1537 # now do the right thing for maps 1915 # now do the right thing for maps
1538 $self->link_multipart_objects; 1916 $self->link_multipart_objects;
1539 $self->difficulty ($self->estimate_difficulty) 1917 $self->difficulty ($self->estimate_difficulty)
1540 unless $self->difficulty; 1918 unless $self->difficulty;
1541 Coro::cede; 1919 cf::cede_to_tick;
1542 1920
1543 unless ($self->{deny_activate}) { 1921 unless ($self->{deny_activate}) {
1544 $self->decay_objects; 1922 $self->decay_objects;
1545 $self->fix_auto_apply; 1923 $self->fix_auto_apply;
1546 $self->update_buttons; 1924 $self->update_buttons;
1547 Coro::cede; 1925 cf::cede_to_tick;
1548 $self->set_darkness_map; 1926 $self->set_darkness_map;
1549 Coro::cede; 1927 cf::cede_to_tick;
1550 $self->activate; 1928 $self->activate;
1551 } 1929 }
1930
1931 $self->{last_save} = $cf::RUNTIME;
1932 $self->last_access ($cf::RUNTIME);
1552 1933
1553 $self->in_memory (cf::MAP_IN_MEMORY); 1934 $self->in_memory (cf::MAP_IN_MEMORY);
1554 } 1935 }
1555 1936
1556 $self->post_load; 1937 $self->post_load;
1560 my ($self, $ob) = @_; 1941 my ($self, $ob) = @_;
1561 1942
1562 return find "~" . $ob->name . "/" . $self->{path} 1943 return find "~" . $ob->name . "/" . $self->{path}
1563 if $self->per_player; 1944 if $self->per_player;
1564 1945
1946# return find "?party/" . $ob->name . "/" . $self->{path}
1947# if $self->per_party;
1948
1565 $self 1949 $self
1566} 1950}
1567 1951
1568# find and load all maps in the 3x3 area around a map 1952# find and load all maps in the 3x3 area around a map
1569sub load_diag { 1953sub load_neighbours {
1570 my ($map) = @_; 1954 my ($map) = @_;
1571 1955
1572 my @diag; # diagonal neighbours 1956 my @neigh; # diagonal neighbours
1573 1957
1574 for (0 .. 3) { 1958 for (0 .. 3) {
1575 my $neigh = $map->tile_path ($_) 1959 my $neigh = $map->tile_path ($_)
1576 or next; 1960 or next;
1577 $neigh = find $neigh, $map 1961 $neigh = find $neigh, $map
1578 or next; 1962 or next;
1579 $neigh->load; 1963 $neigh->load;
1580 1964
1965 push @neigh,
1581 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1966 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1967 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1583 } 1968 }
1584 1969
1585 for (@diag) { 1970 for (grep defined $_->[0], @neigh) {
1971 my ($path, $origin) = @$_;
1586 my $neigh = find @$_ 1972 my $neigh = find $path, $origin
1587 or next; 1973 or next;
1588 $neigh->load; 1974 $neigh->load;
1589 } 1975 }
1590} 1976}
1591 1977
1596} 1982}
1597 1983
1598sub do_load_sync { 1984sub do_load_sync {
1599 my ($map) = @_; 1985 my ($map) = @_;
1600 1986
1987 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1988 if $Coro::current == $Coro::main;
1989
1601 cf::sync_job { $map->load }; 1990 cf::sync_job { $map->load };
1602} 1991}
1603 1992
1604our %MAP_PREFETCH; 1993our %MAP_PREFETCH;
1605our $MAP_PREFETCHER = undef; 1994our $MAP_PREFETCHER = undef;
1606 1995
1607sub find_async { 1996sub find_async {
1608 my ($path, $origin) = @_; 1997 my ($path, $origin, $load) = @_;
1609 1998
1610 $path = normalise $path, $origin && $origin->{path}; 1999 $path = normalise $path, $origin && $origin->{path};
1611 2000
1612 if (my $map = $cf::MAP{$path}) { 2001 if (my $map = $cf::MAP{$path}) {
1613 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2002 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614 } 2003 }
1615 2004
1616 undef $MAP_PREFETCH{$path}; 2005 $MAP_PREFETCH{$path} |= $load;
2006
1617 $MAP_PREFETCHER ||= cf::async { 2007 $MAP_PREFETCHER ||= cf::async {
1618 while (%MAP_PREFETCH) { 2008 while (%MAP_PREFETCH) {
1619 for my $path (keys %MAP_PREFETCH) { 2009 while (my ($k, $v) = each %MAP_PREFETCH) {
1620 my $map = find $path 2010 if (my $map = find $k) {
1621 or next;
1622 $map->load; 2011 $map->load if $v;
2012 }
1623 2013
1624 delete $MAP_PREFETCH{$path}; 2014 delete $MAP_PREFETCH{$k};
1625 } 2015 }
1626 } 2016 }
1627 undef $MAP_PREFETCHER; 2017 undef $MAP_PREFETCHER;
1628 }; 2018 };
1629 $MAP_PREFETCHER->prio (6); 2019 $MAP_PREFETCHER->prio (6);
1632} 2022}
1633 2023
1634sub save { 2024sub save {
1635 my ($self) = @_; 2025 my ($self) = @_;
1636 2026
1637 my $lock = cf::lock_acquire "map_data:" . $self->path; 2027 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2028
1639 $self->{last_save} = $cf::RUNTIME; 2029 $self->{last_save} = $cf::RUNTIME;
1640 2030
1641 return unless $self->dirty; 2031 return unless $self->dirty;
1642 2032
1665 my ($self) = @_; 2055 my ($self) = @_;
1666 2056
1667 # save first because save cedes 2057 # save first because save cedes
1668 $self->save; 2058 $self->save;
1669 2059
1670 my $lock = cf::lock_acquire "map_data:" . $self->path; 2060 my $lock = cf::lock_acquire "map_data:$self->{path}";
1671 2061
1672 return if $self->players; 2062 return if $self->players;
1673 return if $self->in_memory != cf::MAP_IN_MEMORY; 2063 return if $self->in_memory != cf::MAP_IN_MEMORY;
1674 return if $self->{deny_save}; 2064 return if $self->{deny_save};
1675 2065
1679 2069
1680sub reset_at { 2070sub reset_at {
1681 my ($self) = @_; 2071 my ($self) = @_;
1682 2072
1683 # TODO: safety, remove and allow resettable per-player maps 2073 # TODO: safety, remove and allow resettable per-player maps
1684 return 1e99 if $self->isa ("ext::map_per_player");#d#
1685 return 1e99 if $self->{deny_reset}; 2074 return 1e99 if $self->{deny_reset};
1686 2075
1687 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2076 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2077 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689 2078
1700 my ($self) = @_; 2089 my ($self) = @_;
1701 2090
1702 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2091 my $lock = cf::lock_acquire "map_data:$self->{path}";
1703 2092
1704 return if $self->players; 2093 return if $self->players;
1705 return if $self->isa ("ext::map_per_player");#d#
1706 2094
1707 warn "resetting map ", $self->path;#d# 2095 warn "resetting map ", $self->path;
1708 2096
1709 $self->in_memory (cf::MAP_SWAPPED); 2097 $self->in_memory (cf::MAP_SWAPPED);
1710 2098
1711 # need to save uniques path 2099 # need to save uniques path
1712 unless ($self->{deny_save}) { 2100 unless ($self->{deny_save}) {
1729my $nuke_counter = "aaaa"; 2117my $nuke_counter = "aaaa";
1730 2118
1731sub nuke { 2119sub nuke {
1732 my ($self) = @_; 2120 my ($self) = @_;
1733 2121
2122 {
2123 my $lock = cf::lock_acquire "map_data:$self->{path}";
2124
1734 delete $cf::MAP{$self->path}; 2125 delete $cf::MAP{$self->path};
1735 2126
1736 $self->unlink_save; 2127 $self->unlink_save;
1737 2128
1738 bless $self, "cf::map"; 2129 bless $self, "cf::map";
1739 delete $self->{deny_reset}; 2130 delete $self->{deny_reset};
1740 $self->{deny_save} = 1; 2131 $self->{deny_save} = 1;
1741 $self->reset_timeout (1); 2132 $self->reset_timeout (1);
1742 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2133 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743 2134
1744 $cf::MAP{$self->path} = $self; 2135 $cf::MAP{$self->path} = $self;
2136 }
1745 2137
1746 $self->reset; # polite request, might not happen 2138 $self->reset; # polite request, might not happen
2139}
2140
2141=item $maps = cf::map::tmp_maps
2142
2143Returns an arrayref with all map paths of currently instantiated and saved
2144maps. May block.
2145
2146=cut
2147
2148sub tmp_maps() {
2149 [
2150 map {
2151 utf8::decode $_;
2152 /\.map$/
2153 ? normalise $_
2154 : ()
2155 } @{ aio_readdir $TMPDIR or [] }
2156 ]
2157}
2158
2159=item $maps = cf::map::random_maps
2160
2161Returns an arrayref with all map paths of currently instantiated and saved
2162random maps. May block.
2163
2164=cut
2165
2166sub random_maps() {
2167 [
2168 map {
2169 utf8::decode $_;
2170 /\.map$/
2171 ? normalise "?random/$_"
2172 : ()
2173 } @{ aio_readdir $RANDOMDIR or [] }
2174 ]
1747} 2175}
1748 2176
1749=item cf::map::unique_maps 2177=item cf::map::unique_maps
1750 2178
1751Returns an arrayref of paths of all shared maps that have 2179Returns an arrayref of paths of all shared maps that have
1752instantiated unique items. May block. 2180instantiated unique items. May block.
1753 2181
1754=cut 2182=cut
1755 2183
1756sub unique_maps() { 2184sub unique_maps() {
1757 my $files = aio_readdir $UNIQUEDIR 2185 [
1758 or return; 2186 map {
1759
1760 my @paths;
1761
1762 for (@$files) {
1763 utf8::decode $_; 2187 utf8::decode $_;
1764 next if /\.pst$/; 2188 /\.map$/
1765 next unless /^$PATH_SEP/o; 2189 ? normalise $_
1766 2190 : ()
1767 push @paths, cf::map::normalise $_; 2191 } @{ aio_readdir $UNIQUEDIR or [] }
1768 } 2192 ]
1769
1770 \@paths
1771} 2193}
1772 2194
1773package cf; 2195package cf;
1774 2196
1775=back 2197=back
1793 map { $_, inv_recursive_ $_->inv } @_ 2215 map { $_, inv_recursive_ $_->inv } @_
1794} 2216}
1795 2217
1796sub inv_recursive { 2218sub inv_recursive {
1797 inv_recursive_ inv $_[0] 2219 inv_recursive_ inv $_[0]
2220}
2221
2222=item $ref = $ob->ref
2223
2224creates and returns a persistent reference to an objetc that can be stored as a string.
2225
2226=item $ob = cf::object::deref ($refstring)
2227
2228returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229even if the object actually exists. May block.
2230
2231=cut
2232
2233sub deref {
2234 my ($ref) = @_;
2235
2236 # temporary compatibility#TODO#remove
2237 $ref =~ s{^<}{player/<};
2238
2239 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2240 my ($uuid, $name) = ($1, $2);
2241 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242 or return;
2243 $pl->ob->uuid eq $uuid
2244 or return;
2245
2246 $pl->ob
2247 } else {
2248 warn "$ref: cannot resolve object reference\n";
2249 undef
2250 }
1798} 2251}
1799 2252
1800package cf; 2253package cf;
1801 2254
1802=back 2255=back
1821 2274
1822 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2275 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823 2276
1824 if ($self->{record_replies}) { 2277 if ($self->{record_replies}) {
1825 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2278 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2279
1826 } else { 2280 } else {
2281 my $pl = $self->contr;
2282
2283 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2284 my $dialog = $pl->{npc_dialog};
2285 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286
2287 } else {
1827 $msg = $npc->name . " says: $msg" if $npc; 2288 $msg = $npc->name . " says: $msg" if $npc;
1828 $self->message ($msg, $flags); 2289 $self->message ($msg, $flags);
2290 }
1829 } 2291 }
2292}
2293
2294=item $object->send_msg ($channel, $msg, $color, [extra...])
2295
2296=cut
2297
2298sub cf::object::send_msg {
2299 my $pl = shift->contr
2300 or return;
2301 $pl->send_msg (@_);
1830} 2302}
1831 2303
1832=item $player_object->may ("access") 2304=item $player_object->may ("access")
1833 2305
1834Returns wether the given player is authorized to access resource "access" 2306Returns wether the given player is authorized to access resource "access"
1881 $self->deactivate_recursive; 2353 $self->deactivate_recursive;
1882 2354
1883 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2355 return if UNIVERSAL::isa $self->map, "ext::map_link";
1884 2356
1885 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2357 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886 if $self->map; 2358 if $self->map && $self->map->{path} ne "{link}";
1887 2359
1888 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2360 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1889} 2361}
1890 2362
1891sub cf::object::player::leave_link { 2363sub cf::object::player::leave_link {
1892 my ($self, $map, $x, $y) = @_; 2364 my ($self, $map, $x, $y) = @_;
2365
2366 return unless $self->contr->active;
1893 2367
1894 my $link_pos = delete $self->{_link_pos}; 2368 my $link_pos = delete $self->{_link_pos};
1895 2369
1896 unless ($map) { 2370 unless ($map) {
1897 # restore original map position 2371 # restore original map position
1911 # use -1 or undef as default coordinates, not 0, 0 2385 # use -1 or undef as default coordinates, not 0, 0
1912 ($x, $y) = ($map->enter_x, $map->enter_y) 2386 ($x, $y) = ($map->enter_x, $map->enter_y)
1913 if $x <=0 && $y <= 0; 2387 if $x <=0 && $y <= 0;
1914 2388
1915 $map->load; 2389 $map->load;
1916 $map->load_diag; 2390 $map->load_neighbours;
1917 2391
1918 return unless $self->contr->active; 2392 return unless $self->contr->active;
1919 $self->activate_recursive; 2393 $self->activate_recursive;
1920 2394
1921 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2395 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922 $self->enter_map ($map, $x, $y); 2396 $self->enter_map ($map, $x, $y);
1923} 2397}
1924 2398
1925cf::player->attach ( 2399=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926 on_logout => sub {
1927 my ($pl) = @_;
1928 2400
1929 # abort map switching before logout 2401Moves the player to the given map-path and coordinates by first freezing
1930 if ($pl->ob->{_link_pos}) { 2402her, loading and preparing them map, calling the provided $check callback
1931 cf::sync_job { 2403that has to return the map if sucecssful, and then unfreezes the player on
1932 $pl->ob->leave_link 2404the new (success) or old (failed) map position. In either case, $done will
1933 }; 2405be called at the end of this process.
1934 }
1935 },
1936 on_login => sub {
1937 my ($pl) = @_;
1938 2406
1939 # try to abort aborted map switching on player login :)
1940 # should happen only on crashes
1941 if ($pl->ob->{_link_pos}) {
1942 $pl->ob->enter_link;
1943 (async {
1944 $pl->ob->reply (undef,
1945 "There was an internal problem at your last logout, "
1946 . "the server will try to bring you to your intended destination in a second.",
1947 cf::NDI_RED);
1948 # we need this sleep as the login has a concurrent enter_exit running
1949 # and this sleep increases chances of the player not ending up in scorn
1950 Coro::Timer::sleep 1;
1951 $pl->ob->leave_link;
1952 })->prio (2);
1953 }
1954 },
1955);
1956
1957=item $player_object->goto ($path, $x, $y)
1958
1959=cut 2407=cut
2408
2409our $GOTOGEN;
1960 2410
1961sub cf::object::player::goto { 2411sub cf::object::player::goto {
1962 my ($self, $path, $x, $y) = @_; 2412 my ($self, $path, $x, $y, $check, $done) = @_;
2413
2414 # do generation counting so two concurrent goto's will be executed in-order
2415 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963 2416
1964 $self->enter_link; 2417 $self->enter_link;
1965 2418
1966 (async { 2419 (async {
1967 my $map = eval { 2420 my $map = eval {
1968 my $map = cf::map::find $path; 2421 my $map = cf::map::find $path;
2422
2423 if ($map) {
1969 $map = $map->customise_for ($self) if $map; 2424 $map = $map->customise_for ($self);
2425 $map = $check->($map) if $check && $map;
2426 } else {
2427 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2428 }
2429
1970 $map 2430 $map
2431 };
2432
2433 if ($@) {
2434 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2435 LOG llevError | logBacktrace, Carp::longmess $@;
1971 } or 2436 }
1972 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973 2437
2438 if ($gen == $self->{_goto_generation}) {
2439 delete $self->{_goto_generation};
1974 $self->leave_link ($map, $x, $y); 2440 $self->leave_link ($map, $x, $y);
2441 }
2442
2443 $done->() if $done;
1975 })->prio (1); 2444 })->prio (1);
1976} 2445}
1977 2446
1978=item $player_object->enter_exit ($exit_object) 2447=item $player_object->enter_exit ($exit_object)
1979 2448
2048 my $hp = $exit->stats->hp; 2517 my $hp = $exit->stats->hp;
2049 my $sp = $exit->stats->sp; 2518 my $sp = $exit->stats->sp;
2050 2519
2051 $self->enter_link; 2520 $self->enter_link;
2052 2521
2522 # if exit is damned, update players death & WoR home-position
2523 $self->contr->savebed ($slaying, $hp, $sp)
2524 if $exit->flag (FLAG_DAMNED);
2525
2053 (async { 2526 (async {
2054 $self->deactivate_recursive; # just to be sure 2527 $self->deactivate_recursive; # just to be sure
2055 unless (eval { 2528 unless (eval {
2056 $self->goto ($slaying, $hp, $sp); 2529 $self->goto ($slaying, $hp, $sp);
2057 2530
2084 2557
2085 utf8::encode $text; 2558 utf8::encode $text;
2086 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2559 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087} 2560}
2088 2561
2562=item $client->send_msg ($channel, $msg, $color, [extra...])
2563
2564Send a drawinfo or msg packet to the client, formatting the msg for the
2565client if neccessary. C<$type> should be a string identifying the type of
2566the message, with C<log> being the default. If C<$color> is negative, suppress
2567the message unless the client supports the msg packet.
2568
2569=cut
2570
2571our %CHANNEL = (
2572 "c/identify" => {
2573 id => "identify",
2574 title => "Identify",
2575 reply => undef,
2576 tooltip => "Items recently identified",
2577 },
2578 "c/examine" => {
2579 id => "examine",
2580 title => "Examine",
2581 reply => undef,
2582 tooltip => "Signs and other items you examined",
2583 },
2584);
2585
2586sub cf::client::send_msg {
2587 my ($self, $channel, $msg, $color, @extra) = @_;
2588
2589 $msg = $self->pl->expand_cfpod ($msg);
2590
2591 $color &= cf::NDI_CLIENT_MASK; # just in case...
2592
2593 # check predefined channels, for the benefit of C
2594 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2595
2596 if (ref $channel) {
2597 # send meta info to client, if not yet sent
2598 unless (exists $self->{channel}{$channel->{id}}) {
2599 $self->{channel}{$channel->{id}} = $channel;
2600 $self->ext_msg (channel_info => $channel)
2601 if $self->can_msg;
2602 }
2603
2604 $channel = $channel->{id};
2605 }
2606
2607 return unless @extra || length $msg;
2608
2609 if ($self->can_msg) {
2610 # default colour, mask it out
2611 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612 if $color & cf::NDI_DEF;
2613
2614 $self->send_packet ("msg " . $self->{json_coder}->encode (
2615 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2616 } else {
2617 if ($color >= 0) {
2618 # replace some tags by gcfclient-compatible ones
2619 for ($msg) {
2620 1 while
2621 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626 }
2627
2628 $color &= cf::NDI_COLOR_MASK;
2629
2630 utf8::encode $msg;
2631
2632 if (0 && $msg =~ /\[/) {
2633 # COMMAND/INFO
2634 $self->send_packet ("drawextinfo $color 10 8 $msg")
2635 } else {
2636 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2637 $self->send_packet ("drawinfo $color $msg")
2638 }
2639 }
2640 }
2641}
2642
2089=item $client->ext_event ($type, %msg) 2643=item $client->ext_msg ($type, @msg)
2090 2644
2091Sends an exti event to the client. 2645Sends an ext event to the client.
2092 2646
2093=cut 2647=cut
2094 2648
2095sub cf::client::ext_event($$%) { 2649sub cf::client::ext_msg($$@) {
2096 my ($self, $type, %msg) = @_; 2650 my ($self, $type, @msg) = @_;
2097 2651
2652 if ($self->extcmd == 2) {
2653 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654 } elsif ($self->extcmd == 1) { # TODO: remove
2098 $msg{msgtype} = "event_$type"; 2655 push @msg, msgtype => "event_$type";
2099 $self->send_packet ("ext " . cf::to_json \%msg); 2656 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657 }
2658}
2659
2660=item $client->ext_reply ($msgid, @msg)
2661
2662Sends an ext reply to the client.
2663
2664=cut
2665
2666sub cf::client::ext_reply($$@) {
2667 my ($self, $id, @msg) = @_;
2668
2669 if ($self->extcmd == 2) {
2670 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671 } elsif ($self->extcmd == 1) {
2672 #TODO: version 1, remove
2673 unshift @msg, msgtype => "reply", msgid => $id;
2674 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675 }
2100} 2676}
2101 2677
2102=item $success = $client->query ($flags, "text", \&cb) 2678=item $success = $client->query ($flags, "text", \&cb)
2103 2679
2104Queues a query to the client, calling the given callback with 2680Queues a query to the client, calling the given callback with
2105the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2681the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2682C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107 2683
2108Queries can fail, so check the return code. Or don't, as queries will become 2684Queries can fail, so check the return code. Or don't, as queries will
2109reliable at some point in the future. 2685become reliable at some point in the future.
2110 2686
2111=cut 2687=cut
2112 2688
2113sub cf::client::query { 2689sub cf::client::query {
2114 my ($self, $flags, $text, $cb) = @_; 2690 my ($self, $flags, $text, $cb) = @_;
2122 utf8::encode $text; 2698 utf8::encode $text;
2123 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2699 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124 2700
2125 $self->send_packet ($self->{query_queue}[0][0]) 2701 $self->send_packet ($self->{query_queue}[0][0])
2126 if @{ $self->{query_queue} } == 1; 2702 if @{ $self->{query_queue} } == 1;
2703
2704 1
2127} 2705}
2128 2706
2129cf::client->attach ( 2707cf::client->attach (
2708 on_connect => sub {
2709 my ($ns) = @_;
2710
2711 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2712 },
2130 on_reply => sub { 2713 on_reply => sub {
2131 my ($ns, $msg) = @_; 2714 my ($ns, $msg) = @_;
2132 2715
2133 # this weird shuffling is so that direct followup queries 2716 # this weird shuffling is so that direct followup queries
2134 # get handled first 2717 # get handled first
2146 } else { 2729 } else {
2147 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2730 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148 } 2731 }
2149 } 2732 }
2150 }, 2733 },
2734 on_exticmd => sub {
2735 my ($ns, $buf) = @_;
2736
2737 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2738
2739 if (ref $msg) {
2740 my ($type, $reply, @payload) =
2741 "ARRAY" eq ref $msg
2742 ? @$msg
2743 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2744
2745 my @reply;
2746
2747 if (my $cb = $EXTICMD{$type}) {
2748 @reply = $cb->($ns, @payload);
2749 }
2750
2751 $ns->ext_reply ($reply, @reply)
2752 if $reply;
2753
2754 } else {
2755 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2756 }
2757
2758 cf::override;
2759 },
2151); 2760);
2152 2761
2153=item $client->async (\&cb) 2762=item $client->async (\&cb)
2154 2763
2155Create a new coroutine, running the specified callback. The coroutine will 2764Create a new coroutine, running the specified callback. The coroutine will
2196our $safe = new Safe "safe"; 2805our $safe = new Safe "safe";
2197our $safe_hole = new Safe::Hole; 2806our $safe_hole = new Safe::Hole;
2198 2807
2199$SIG{FPE} = 'IGNORE'; 2808$SIG{FPE} = 'IGNORE';
2200 2809
2201$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2810$safe->permit_only (Opcode::opset qw(
2811 :base_core :base_mem :base_orig :base_math
2812 grepstart grepwhile mapstart mapwhile
2813 sort time
2814));
2202 2815
2203# here we export the classes and methods available to script code 2816# here we export the classes and methods available to script code
2204 2817
2205=pod 2818=pod
2206 2819
2207The following functions and methods are available within a safe environment: 2820The following functions and methods are available within a safe environment:
2208 2821
2209 cf::object contr pay_amount pay_player map 2822 cf::object
2823 contr pay_amount pay_player map x y force_find force_add
2824 insert remove name archname title slaying race decrease_ob_nr
2825
2210 cf::object::player player 2826 cf::object::player
2211 cf::player peaceful 2827 player
2212 cf::map trigger 2828
2829 cf::player
2830 peaceful
2831
2832 cf::map
2833 trigger
2213 2834
2214=cut 2835=cut
2215 2836
2216for ( 2837for (
2217 ["cf::object" => qw(contr pay_amount pay_player map)], 2838 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839 insert remove inv name archname title slaying race
2840 decrease_ob_nr)],
2218 ["cf::object::player" => qw(player)], 2841 ["cf::object::player" => qw(player)],
2219 ["cf::player" => qw(peaceful)], 2842 ["cf::player" => qw(peaceful)],
2220 ["cf::map" => qw(trigger)], 2843 ["cf::map" => qw(trigger)],
2221) { 2844) {
2222 no strict 'refs'; 2845 no strict 'refs';
2293=back 2916=back
2294 2917
2295=cut 2918=cut
2296 2919
2297############################################################################# 2920#############################################################################
2298
2299=head2 EXTENSION DATABASE SUPPORT
2300
2301Crossfire maintains a very simple database for extension use. It can
2302currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303convert to/from binary).
2304
2305The parameter C<$family> should best start with the name of the extension
2306using it, it should be unique.
2307
2308=over 4
2309
2310=item $value = cf::db_get $family => $key
2311
2312Returns a single value from the database.
2313
2314=item cf::db_put $family => $key => $value
2315
2316Stores the given C<$value> in the family.
2317
2318=cut
2319
2320our $DB;
2321
2322sub db_init {
2323 unless ($DB) {
2324 $DB = BDB::db_create $DB_ENV;
2325
2326 cf::sync_job {
2327 eval {
2328 $DB->set_flags (BDB::CHKSUM);
2329
2330 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332 cf::cleanup "db_open(db): $!" if $!;
2333 };
2334 cf::cleanup "db_open(db): $@" if $@;
2335 };
2336 }
2337}
2338
2339sub db_get($$) {
2340 my $key = "$_[0]/$_[1]";
2341
2342 cf::sync_job {
2343 BDB::db_get $DB, undef, $key, my $data;
2344
2345 $! ? ()
2346 : $data
2347 }
2348}
2349
2350sub db_put($$$) {
2351 BDB::dbreq_pri 4;
2352 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353}
2354
2355=item cf::cache $id => [$paths...], $processversion => $process
2356
2357Generic caching function that returns the value of the resource $id,
2358caching and regenerating as required.
2359
2360This function can block.
2361
2362=cut
2363
2364sub cache {
2365 my ($id, $src, $processversion, $process) = @_;
2366
2367 my $meta =
2368 join "\x00",
2369 $processversion,
2370 map {
2371 aio_stat $_
2372 and Carp::croak "$_: $!";
2373
2374 ($_, (stat _)[7,9])
2375 } @$src;
2376
2377 my $dbmeta = db_get cache => "$id/meta";
2378 if ($dbmeta ne $meta) {
2379 # changed, we may need to process
2380
2381 my @data;
2382 my $md5;
2383
2384 for (0 .. $#$src) {
2385 0 <= aio_load $src->[$_], $data[$_]
2386 or Carp::croak "$src->[$_]: $!";
2387 }
2388
2389 # if processing is expensive, check
2390 # checksum first
2391 if (1) {
2392 $md5 =
2393 join "\x00",
2394 $processversion,
2395 map {
2396 Coro::cede;
2397 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2398 } 0.. $#$src;
2399
2400
2401 my $dbmd5 = db_get cache => "$id/md5";
2402 if ($dbmd5 eq $md5) {
2403 db_put cache => "$id/meta", $meta;
2404
2405 return db_get cache => "$id/data";
2406 }
2407 }
2408
2409 my $t1 = Time::HiRes::time;
2410 my $data = $process->(\@data);
2411 my $t2 = Time::HiRes::time;
2412
2413 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415 db_put cache => "$id/data", $data;
2416 db_put cache => "$id/md5" , $md5;
2417 db_put cache => "$id/meta", $meta;
2418
2419 return $data;
2420 }
2421
2422 db_get cache => "$id/data"
2423}
2424
2425=item fork_call { }, $args
2426
2427Executes the given code block with the given arguments in a seperate
2428process, returning the results. Everything must be serialisable with
2429Coro::Storable. May, of course, block. Note that the executed sub may
2430never block itself or use any form of Event handling.
2431
2432=cut
2433
2434sub fork_call(&@) {
2435 my ($cb, @args) = @_;
2436
2437# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438# or die "socketpair: $!";
2439 pipe my $fh1, my $fh2
2440 or die "pipe: $!";
2441
2442 if (my $pid = fork) {
2443 close $fh2;
2444
2445 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446 $res = Coro::Storable::thaw $res;
2447
2448 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450 die $$res unless "ARRAY" eq ref $res;
2451
2452 return wantarray ? @$res : $res->[-1];
2453 } else {
2454 reset_signals;
2455 local $SIG{__WARN__};
2456 local $SIG{__DIE__};
2457 eval {
2458 close $fh1;
2459
2460 my @res = eval { $cb->(@args) };
2461 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462 };
2463
2464 warn $@ if $@;
2465 _exit 0;
2466 }
2467}
2468
2469
2470
2471#############################################################################
2472# the server's init and main functions 2921# the server's init and main functions
2473 2922
2474sub load_facedata($) { 2923sub load_facedata($) {
2475 my ($path) = @_; 2924 my ($path) = @_;
2925
2926 # HACK to clear player env face cache, we need some signal framework
2927 # for this (global event?)
2928 %ext::player_env::MUSIC_FACE_CACHE = ();
2929
2930 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476 2931
2477 warn "loading facedata from $path\n"; 2932 warn "loading facedata from $path\n";
2478 2933
2479 my $facedata; 2934 my $facedata;
2480 0 < aio_load $path, $facedata 2935 0 < aio_load $path, $facedata
2483 $facedata = Coro::Storable::thaw $facedata; 2938 $facedata = Coro::Storable::thaw $facedata;
2484 2939
2485 $facedata->{version} == 2 2940 $facedata->{version} == 2
2486 or cf::cleanup "$path: version mismatch, cannot proceed."; 2941 or cf::cleanup "$path: version mismatch, cannot proceed.";
2487 2942
2943 # patch in the exptable
2944 $facedata->{resource}{"res/exp_table"} = {
2945 type => FT_RSRC,
2946 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2947 };
2948 cf::cede_to_tick;
2949
2488 { 2950 {
2489 my $faces = $facedata->{faceinfo}; 2951 my $faces = $facedata->{faceinfo};
2490 2952
2491 while (my ($face, $info) = each %$faces) { 2953 while (my ($face, $info) = each %$faces) {
2492 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2954 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2955 cf::face::set_visibility $idx, $info->{visibility};
2956 cf::face::set_magicmap $idx, $info->{magicmap};
2494 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2957 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2958 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496 Coro::cede; 2959
2960 cf::cede_to_tick;
2497 } 2961 }
2498 2962
2499 while (my ($face, $info) = each %$faces) { 2963 while (my ($face, $info) = each %$faces) {
2500 next unless $info->{smooth}; 2964 next unless $info->{smooth};
2501 my $idx = cf::face::find $face 2965 my $idx = cf::face::find $face
2502 or next; 2966 or next;
2503 if (my $smooth = cf::face::find $info->{smooth}) { 2967 if (my $smooth = cf::face::find $info->{smooth}) {
2968 cf::face::set_smooth $idx, $smooth;
2504 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2969 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505 } else { 2970 } else {
2506 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2971 warn "smooth face '$info->{smooth}' not found for face '$face'";
2507 } 2972 }
2508 Coro::cede; 2973
2974 cf::cede_to_tick;
2509 } 2975 }
2510 } 2976 }
2511 2977
2512 { 2978 {
2513 my $anims = $facedata->{animinfo}; 2979 my $anims = $facedata->{animinfo};
2514 2980
2515 while (my ($anim, $info) = each %$anims) { 2981 while (my ($anim, $info) = each %$anims) {
2516 cf::anim::set $anim, $info->{frames}, $info->{facings}; 2982 cf::anim::set $anim, $info->{frames}, $info->{facings};
2517 Coro::cede; 2983 cf::cede_to_tick;
2518 } 2984 }
2519 2985
2520 cf::anim::invalidate_all; # d'oh 2986 cf::anim::invalidate_all; # d'oh
2521 } 2987 }
2522 2988
2989 {
2990 # TODO: for gcfclient pleasure, we should give resources
2991 # that gcfclient doesn't grok a >10000 face index.
2992 my $res = $facedata->{resource};
2993
2994 my $soundconf = delete $res->{"res/sound.conf"};
2995
2996 while (my ($name, $info) = each %$res) {
2997 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998 my $data;
2999
3000 if ($info->{type} & 1) {
3001 # prepend meta info
3002
3003 my $meta = $enc->encode ({
3004 name => $name,
3005 %{ $info->{meta} || {} },
3006 });
3007
3008 $data = pack "(w/a*)*", $meta, $info->{data};
3009 } else {
3010 $data = $info->{data};
3011 }
3012
3013 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014 cf::face::set_type $idx, $info->{type};
3015
3016 cf::cede_to_tick;
3017 }
3018
3019 if ($soundconf) {
3020 $soundconf = $enc->decode (delete $soundconf->{data});
3021
3022 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023 my $sound = $soundconf->{compat}[$_]
3024 or next;
3025
3026 my $face = cf::face::find "sound/$sound->[1]";
3027 cf::sound::set $sound->[0] => $face;
3028 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029 }
3030
3031 while (my ($k, $v) = each %{$soundconf->{event}}) {
3032 my $face = cf::face::find "sound/$v";
3033 cf::sound::set $k => $face;
3034 }
3035 }
3036 }
3037
2523 1 3038 1
2524} 3039}
2525 3040
3041register_exticmd fx_want => sub {
3042 my ($ns, $want) = @_;
3043
3044 while (my ($k, $v) = each %$want) {
3045 $ns->fx_want ($k, $v);
3046 }
3047};
3048
2526sub reload_regions { 3049sub reload_regions {
3050 # HACK to clear player env face cache, we need some signal framework
3051 # for this (global event?)
3052 %ext::player_env::MUSIC_FACE_CACHE = ();
3053
2527 load_resource_file "$MAPDIR/regions" 3054 load_resource_file "$MAPDIR/regions"
2528 or die "unable to load regions file\n"; 3055 or die "unable to load regions file\n";
3056
3057 for (cf::region::list) {
3058 $_->{match} = qr/$_->{match}/
3059 if exists $_->{match};
3060 }
2529} 3061}
2530 3062
2531sub reload_facedata { 3063sub reload_facedata {
2532 load_facedata "$DATADIR/facedata" 3064 load_facedata "$DATADIR/facedata"
2533 or die "unable to load facedata\n"; 3065 or die "unable to load facedata\n";
2534} 3066}
2535 3067
2536sub reload_archetypes { 3068sub reload_archetypes {
2537 load_resource_file "$DATADIR/archetypes" 3069 load_resource_file "$DATADIR/archetypes"
2538 or die "unable to load archetypes\n"; 3070 or die "unable to load archetypes\n";
3071 #d# NEED to laod twice to resolve forward references
3072 # this really needs to be done in an extra post-pass
3073 # (which needs to be synchronous, so solve it differently)
3074 load_resource_file "$DATADIR/archetypes"
3075 or die "unable to load archetypes\n";
2539} 3076}
2540 3077
2541sub reload_treasures { 3078sub reload_treasures {
2542 load_resource_file "$DATADIR/treasures" 3079 load_resource_file "$DATADIR/treasures"
2543 or die "unable to load treasurelists\n"; 3080 or die "unable to load treasurelists\n";
2546sub reload_resources { 3083sub reload_resources {
2547 warn "reloading resource files...\n"; 3084 warn "reloading resource files...\n";
2548 3085
2549 reload_regions; 3086 reload_regions;
2550 reload_facedata; 3087 reload_facedata;
3088 #reload_archetypes;#d#
2551 reload_archetypes; 3089 reload_archetypes;
2552 reload_treasures; 3090 reload_treasures;
2553 3091
2554 warn "finished reloading resource files\n"; 3092 warn "finished reloading resource files\n";
2555} 3093}
2556 3094
2557sub init { 3095sub init {
2558 reload_resources; 3096 reload_resources;
2559} 3097}
2560 3098
2561sub cfg_load { 3099sub reload_config {
2562 open my $fh, "<:utf8", "$CONFDIR/config" 3100 open my $fh, "<:utf8", "$CONFDIR/config"
2563 or return; 3101 or return;
2564 3102
2565 local $/; 3103 local $/;
2566 *CFG = YAML::Syck::Load <$fh>; 3104 *CFG = YAML::Syck::Load <$fh>;
2586 (async { 3124 (async {
2587 Event::one_event; 3125 Event::one_event;
2588 })->prio (Coro::PRIO_MAX); 3126 })->prio (Coro::PRIO_MAX);
2589 }; 3127 };
2590 3128
2591 cfg_load; 3129 reload_config;
2592 db_init; 3130 db_init;
2593 load_extensions; 3131 load_extensions;
2594 3132
2595 $TICK_WATCHER->start; 3133 $TICK_WATCHER->start;
2596 Event::loop; 3134 Event::loop;
2612 }, 3150 },
2613 ); 3151 );
2614 } 3152 }
2615} 3153}
2616 3154
3155sub write_runtime {
3156 my $runtime = "$LOCALDIR/runtime";
3157
3158 # first touch the runtime file to show we are still running:
3159 # the fsync below can take a very very long time.
3160
3161 IO::AIO::aio_utime $runtime, undef, undef;
3162
3163 my $guard = cf::lock_acquire "write_runtime";
3164
3165 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3166 or return;
3167
3168 my $value = $cf::RUNTIME + 90 + 10;
3169 # 10 is the runtime save interval, for a monotonic clock
3170 # 60 allows for the watchdog to kill the server.
3171
3172 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3173 and return;
3174
3175 # always fsync - this file is important
3176 aio_fsync $fh
3177 and return;
3178
3179 # touch it again to show we are up-to-date
3180 aio_utime $fh, undef, undef;
3181
3182 close $fh
3183 or return;
3184
3185 aio_rename "$runtime~", $runtime
3186 and return;
3187
3188 warn "runtime file written.\n";
3189
3190 1
3191}
3192
2617sub emergency_save() { 3193sub emergency_save() {
2618 my $freeze_guard = cf::freeze_mainloop; 3194 my $freeze_guard = cf::freeze_mainloop;
2619 3195
2620 warn "enter emergency perl save\n"; 3196 warn "enter emergency perl save\n";
2621 3197
2696 %EXT_CORO = (); 3272 %EXT_CORO = ();
2697 3273
2698 warn "removing commands"; 3274 warn "removing commands";
2699 %COMMAND = (); 3275 %COMMAND = ();
2700 3276
2701 warn "removing ext commands"; 3277 warn "removing ext/exti commands";
2702 %EXTCMD = (); 3278 %EXTCMD = ();
3279 %EXTICMD = ();
2703 3280
2704 warn "unloading/nuking all extensions"; 3281 warn "unloading/nuking all extensions";
2705 for my $pkg (@EXTS) { 3282 for my $pkg (@EXTS) {
2706 warn "... unloading $pkg"; 3283 warn "... unloading $pkg";
2707 3284
2750 warn "reloading cf.pm"; 3327 warn "reloading cf.pm";
2751 require cf; 3328 require cf;
2752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3329 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753 3330
2754 warn "loading config and database again"; 3331 warn "loading config and database again";
2755 cf::cfg_load; 3332 cf::reload_config;
2756 3333
2757 warn "loading extensions"; 3334 warn "loading extensions";
2758 cf::load_extensions; 3335 cf::load_extensions;
2759 3336
2760 warn "reattaching attachments to objects/players"; 3337 warn "reattaching attachments to objects/players";
2825 my $signal = new Coro::Signal; 3402 my $signal = new Coro::Signal;
2826 push @WAIT_FOR_TICK_BEGIN, $signal; 3403 push @WAIT_FOR_TICK_BEGIN, $signal;
2827 $signal->wait; 3404 $signal->wait;
2828} 3405}
2829 3406
3407 my $min = 1e6;#d#
3408 my $avg = 10;
2830$TICK_WATCHER = Event->timer ( 3409$TICK_WATCHER = Event->timer (
2831 reentrant => 0, 3410 reentrant => 0,
2832 parked => 1, 3411 parked => 1,
2833 prio => 0, 3412 prio => 0,
2834 at => $NEXT_TICK || $TICK, 3413 at => $NEXT_TICK || $TICK,
2838 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3417 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839 unless ++$bug_warning > 10; 3418 unless ++$bug_warning > 10;
2840 return; 3419 return;
2841 } 3420 }
2842 3421
2843 $NOW = Event::time; 3422 $NOW = $tick_start = Event::time;
2844 3423
2845 cf::server_tick; # one server iteration 3424 cf::server_tick; # one server iteration
3425
3426 0 && sync_job {#d#
3427 for(1..10) {
3428 my $t = Event::time;
3429 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3430 or die;
3431
3432 $map->width (50);
3433 $map->height (50);
3434 $map->alloc;
3435 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436 my $t = Event::time - $t;
3437
3438 #next unless $t < 0.0013;#d#
3439 if ($t < $min) {
3440 $min = $t;
3441 }
3442 $avg = $avg * 0.99 + $t * 0.01;
3443 }
3444 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445 exit 0;
3446 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447 };
2846 3448
2847 $RUNTIME += $TICK; 3449 $RUNTIME += $TICK;
2848 $NEXT_TICK += $TICK; 3450 $NEXT_TICK += $TICK;
2849 3451
2850 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3452 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2856 } 3458 }
2857 3459
2858# my $AFTER = Event::time; 3460# my $AFTER = Event::time;
2859# warn $AFTER - $NOW;#d# 3461# warn $AFTER - $NOW;#d#
2860 3462
3463 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464 $sig->send;
3465 }
3466 while (my $sig = shift @WAIT_FOR_TICK) {
3467 $sig->send;
3468 }
3469
3470 $NOW = Event::time;
3471
2861 # if we are delayed by four ticks or more, skip them all 3472 # if we are delayed by four ticks or more, skip them all
2862 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3473 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863 3474
2864 $TICK_WATCHER->at ($NEXT_TICK); 3475 $TICK_WATCHER->at ($NEXT_TICK);
2865 $TICK_WATCHER->start; 3476 $TICK_WATCHER->start;
2866 3477
2867 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3478 $LOAD = ($NOW - $tick_start) / $TICK;
2868 $sig->send; 3479 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869 }
2870 while (my $sig = shift @WAIT_FOR_TICK) {
2871 $sig->send;
2872 }
2873 3480
2874 _post_tick; 3481 _post_tick;
3482
3483
2875 }, 3484 },
2876); 3485);
2877 3486
2878{ 3487{
2879 BDB::max_poll_time $TICK * 0.1; 3488 BDB::max_poll_time $TICK * 0.1;

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines