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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.365 by root, Tue Sep 11 13:27:56 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;
76our $NEXT_TICK; 80our $NEXT_TICK;
77our $NOW; 81our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
79 83
80our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 87our $DB_ENV;
82 88
83our %CFG; 89our %CFG;
84 90
85our $UPTIME; $UPTIME ||= time; 91our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 92our $RUNTIME;
87 93
88our %PLAYER; # all users 94our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 95our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 96our $LINK_MAP; # the special {link} map, which is always available
91 97
92# used to convert map paths into valid unix filenames by replacing / by ∕ 98# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 99our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100
101our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102our $LOADAVG; # same thing, but with alpha-smoothing
103our $tick_start; # for load detecting purposes
94 104
95binmode STDOUT; 105binmode STDOUT;
96binmode STDERR; 106binmode STDERR;
97 107
98# read virtual server time, if available 108# read virtual server time, if available
139 149
140=item $cf::TICK 150=item $cf::TICK
141 151
142The interval between server ticks, in seconds. 152The interval between server ticks, in seconds.
143 153
154=item $cf::LOADAVG
155
156The current CPU load on the server (alpha-smoothed), as a value between 0
157(none) and 1 (overloaded), indicating how much time is spent on processing
158objects per tick. Healthy values are < 0.5.
159
160=item $cf::LOAD
161
162The raw value load value from the last tick.
163
144=item %cf::CFG 164=item %cf::CFG
145 165
146Configuration for the server, loaded from C</etc/crossfire/config>, or 166Configuration for the server, loaded from C</etc/crossfire/config>, or
147from wherever your confdir points to. 167from wherever your confdir points to.
148 168
150 170
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 171These 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 172returns 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. 173per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 174
175=item @cf::INVOKE_RESULTS
176
177This array contains the results of the last C<invoke ()> call. When
178C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179that call.
180
155=back 181=back
156 182
157=cut 183=cut
158 184
159BEGIN { 185BEGIN {
163 $msg .= "\n" 189 $msg .= "\n"
164 unless $msg =~ /\n$/; 190 unless $msg =~ /\n$/;
165 191
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 192 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 193
168 utf8::encode $msg;
169 LOG llevError, $msg; 194 LOG llevError, $msg;
170 }; 195 };
171} 196}
172 197
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 199@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 200@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 201@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 202@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
203@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 204@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 205
180# we bless all objects into (empty) derived classes to force a method lookup 206# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 207# within the Safe compartment.
182for my $pkg (qw( 208for my $pkg (qw(
183 cf::global cf::attachable 209 cf::global cf::attachable
191} 217}
192 218
193$Event::DIED = sub { 219$Event::DIED = sub {
194 warn "error in event callback: @_"; 220 warn "error in event callback: @_";
195}; 221};
222
223#############################################################################
196 224
197=head2 UTILITY FUNCTIONS 225=head2 UTILITY FUNCTIONS
198 226
199=over 4 227=over 4
200 228
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 248 $d
221 } || "[unable to dump $_[0]: '$@']"; 249 } || "[unable to dump $_[0]: '$@']";
222} 250}
223 251
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 252=item $ref = cf::from_json $json
227 253
228Converts a JSON string into the corresponding perl data structure. 254Converts a JSON string into the corresponding perl data structure.
229 255
230=item $json = cf::to_json $ref 256=item $json = cf::to_json $ref
231 257
232Converts a perl data structure into its JSON representation. 258Converts a perl data structure into its JSON representation.
259
260=cut
261
262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263
264sub to_json ($) { $json_coder->encode ($_[0]) }
265sub from_json ($) { $json_coder->decode ($_[0]) }
233 266
234=item cf::lock_wait $string 267=item cf::lock_wait $string
235 268
236Wait until the given lock is available. See cf::lock_acquire. 269Wait until the given lock is available. See cf::lock_acquire.
237 270
240Wait until the given lock is available and then acquires it and returns 273Wait 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, 274a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 275for example when the coroutine gets canceled), the lock is automatically
243returned. 276returned.
244 277
278Locks are *not* recursive, locking from the same coro twice results in a
279deadlocked coro.
280
245Lock names should begin with a unique identifier (for example, cf::map::find 281Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 282uses map_find and cf::map::load uses map_load).
247 283
248=item $locked = cf::lock_active $string 284=item $locked = cf::lock_active $string
249 285
250Return true if the lock is currently active, i.e. somebody has locked it. 286Return true if the lock is currently active, i.e. somebody has locked it.
251 287
252=cut 288=cut
253 289
254our %LOCK; 290our %LOCK;
291our %LOCKER;#d#
255 292
256sub lock_wait($) { 293sub lock_wait($) {
257 my ($key) = @_; 294 my ($key) = @_;
295
296 if ($LOCKER{$key} == $Coro::current) {#d#
297 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298 return;#d#
299 }#d#
258 300
259 # wait for lock, if any 301 # wait for lock, if any
260 while ($LOCK{$key}) { 302 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 303 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 304 Coro::schedule;
268 310
269 # wait, to be sure we are not locked 311 # wait, to be sure we are not locked
270 lock_wait $key; 312 lock_wait $key;
271 313
272 $LOCK{$key} = []; 314 $LOCK{$key} = [];
315 $LOCKER{$key} = $Coro::current;#d#
273 316
274 Coro::guard { 317 Coro::guard {
318 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 319 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 320 $_->ready for @{ delete $LOCK{$key} };
277 } 321 }
278} 322}
279 323
291 }; 335 };
292 $TICK_WATCHER->stop; 336 $TICK_WATCHER->stop;
293 $guard 337 $guard
294} 338}
295 339
340=item cf::get_slot $time[, $priority[, $name]]
341
342Allocate $time seconds of blocking CPU time at priority C<$priority>:
343This call blocks and returns only when you have at least C<$time> seconds
344of cpu time till the next tick. The slot is only valid till the next cede.
345
346The optional C<$name> can be used to identify the job to run. It might be
347used for statistical purposes and should identify the same time-class.
348
349Useful for short background jobs.
350
351=cut
352
353our @SLOT_QUEUE;
354our $SLOT_QUEUE;
355
356$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357$SLOT_QUEUE = Coro::async {
358 my $signal = new Coro::Signal;
359
360 while () {
361 next_job:
362 my $avail = cf::till_tick;
363 if ($avail > 0.01) {
364 for (0 .. $#SLOT_QUEUE) {
365 if ($SLOT_QUEUE[$_][0] < $avail) {
366 my $job = splice @SLOT_QUEUE, $_, 1, ();
367 $job->[2]->send;
368 Coro::cede;
369 goto next_job;
370 }
371 }
372 }
373
374 if (@SLOT_QUEUE) {
375 # we do not use wait_For_tick() as it returns immediately when tick is inactive
376 push @cf::WAIT_FOR_TICK, $signal;
377 $signal->wait;
378 } else {
379 Coro::schedule;
380 }
381 }
382};
383
384sub get_slot($;$$) {
385 my ($time, $pri, $name) = @_;
386
387 $time = $TICK * .6 if $time > $TICK * .6;
388 my $sig = new Coro::Signal;
389
390 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392 $SLOT_QUEUE->ready;
393 $sig->wait;
394}
395
296=item cf::async { BLOCK } 396=item cf::async { BLOCK }
297 397
298Currently the same as Coro::async_pool, meaning you cannot use 398Currently the same as Coro::async_pool, meaning you cannot use
299C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 399C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300thing you are allowed to do is call C<prio> on it. 400thing you are allowed to do is call C<prio> on it.
303 403
304BEGIN { *async = \&Coro::async_pool } 404BEGIN { *async = \&Coro::async_pool }
305 405
306=item cf::sync_job { BLOCK } 406=item cf::sync_job { BLOCK }
307 407
308The design of crossfire+ requires that the main coro ($Coro::main) is 408The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 409is 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. 410partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411acceptable.
311 412
312If it must be done, put the blocking parts into C<sync_job>. This will run 413If 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 414the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 415server will be frozen during this time, so the block should either finish
315fast or be very important. 416fast or be very important.
318 419
319sub sync_job(&) { 420sub sync_job(&) {
320 my ($job) = @_; 421 my ($job) = @_;
321 422
322 if ($Coro::current == $Coro::main) { 423 if ($Coro::current == $Coro::main) {
424 my $time = Event::time;
425
323 # this is the main coro, too bad, we have to block 426 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 427 # till the operation succeeds, freezing the server :/
325 428
326 # TODO: use suspend/resume instead 429 # TODO: use suspend/resume instead
327 # (but this is cancel-safe) 430 # (but this is cancel-safe)
338 441
339 while ($busy) { 442 while ($busy) {
340 Coro::cede or Event::one_event; 443 Coro::cede or Event::one_event;
341 } 444 }
342 445
446 $time = Event::time - $time;
447
448 LOG llevError | logBacktrace, Carp::longmess "long sync job"
449 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451 $tick_start += $time; # do not account sync jobs to server load
452
343 wantarray ? @res : $res[0] 453 wantarray ? @res : $res[0]
344 } else { 454 } else {
345 # we are in another coroutine, how wonderful, everything just works 455 # we are in another coroutine, how wonderful, everything just works
346 456
347 $job->() 457 $job->()
366 $EXT_CORO{$coro+0} = $coro; 476 $EXT_CORO{$coro+0} = $coro;
367 477
368 $coro 478 $coro
369} 479}
370 480
371sub write_runtime { 481=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 482
374 my $runtime = "$LOCALDIR/runtime"; 483Executes the given code block with the given arguments in a seperate
484process, returning the results. Everything must be serialisable with
485Coro::Storable. May, of course, block. Note that the executed sub may
486never block itself or use any form of Event handling.
375 487
376 warn "starting to write runtime...\n";#d# 488=cut
377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378 or return;
379 489
380 my $value = $cf::RUNTIME + 90 + 10; 490sub fork_call(&@) {
381 # 10 is the runtime save interval, for a monotonic clock 491 my ($cb, @args) = @_;
382 # 60 allows for the watchdog to kill the server.
383 492
384 (aio_write $fh, 0, (length $value), $value, 0) <= 0 493 # we seemingly have to make a local copy of the whole thing,
385 and return; 494 # otherwise perl prematurely frees the stuff :/
495 # TODO: investigate and fix (likely this will be rather laborious)
386 496
387 # always fsync - this file is important 497 my @res = Coro::Util::fork_eval {
388 aio_fsync $fh 498 reset_signals;
389 and return; 499 &$cb
500 }, @args;
390 501
391 close $fh 502 wantarray ? @res : $res[-1]
392 or return; 503}
393 504
394 aio_rename "$runtime~", $runtime 505=item $value = cf::db_get $family => $key
395 and return;
396 506
397 warn "... done writing runtime.\n";#d# 507Returns a single value from the environment database.
398 508
509=item cf::db_put $family => $key => $value
510
511Stores the given C<$value> in the family. It can currently store binary
512data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
513
514=item $db = cf::db_table "name"
515
516Create and/or open a new database table. The string must not be "db" and must be unique
517within each server.
518
519=cut
520
521sub db_table($) {
522 my ($name) = @_;
523 my $db = BDB::db_create $DB_ENV;
524
525 eval {
526 $db->set_flags (BDB::CHKSUM);
527
528 utf8::encode $name;
529 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
530 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
531 cf::cleanup "db_open(db): $!" if $!;
532 };
533 cf::cleanup "db_open(db): $@" if $@;
534
535 $db
536}
537
538our $DB;
539
540sub db_init {
541 cf::sync_job {
542 $DB ||= db_table "db";
543 };
544}
545
546sub db_get($$) {
547 my $key = "$_[0]/$_[1]";
548
549 cf::sync_job {
550 BDB::db_get $DB, undef, $key, my $data;
551
552 $! ? ()
553 : $data
399 1 554 }
555}
556
557sub db_put($$$) {
558 BDB::dbreq_pri 4;
559 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
560}
561
562=item cf::cache $id => [$paths...], $processversion => $process
563
564Generic caching function that returns the value of the resource $id,
565caching and regenerating as required.
566
567This function can block.
568
569=cut
570
571sub cache {
572 my ($id, $src, $processversion, $process) = @_;
573
574 my $meta =
575 join "\x00",
576 $processversion,
577 map {
578 aio_stat $_
579 and Carp::croak "$_: $!";
580
581 ($_, (stat _)[7,9])
582 } @$src;
583
584 my $dbmeta = db_get cache => "$id/meta";
585 if ($dbmeta ne $meta) {
586 # changed, we may need to process
587
588 my @data;
589 my $md5;
590
591 for (0 .. $#$src) {
592 0 <= aio_load $src->[$_], $data[$_]
593 or Carp::croak "$src->[$_]: $!";
594 }
595
596 # if processing is expensive, check
597 # checksum first
598 if (1) {
599 $md5 =
600 join "\x00",
601 $processversion,
602 map {
603 cf::cede_to_tick;
604 ($src->[$_], Digest::MD5::md5_hex $data[$_])
605 } 0.. $#$src;
606
607
608 my $dbmd5 = db_get cache => "$id/md5";
609 if ($dbmd5 eq $md5) {
610 db_put cache => "$id/meta", $meta;
611
612 return db_get cache => "$id/data";
613 }
614 }
615
616 my $t1 = Time::HiRes::time;
617 my $data = $process->(\@data);
618 my $t2 = Time::HiRes::time;
619
620 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
621
622 db_put cache => "$id/data", $data;
623 db_put cache => "$id/md5" , $md5;
624 db_put cache => "$id/meta", $meta;
625
626 return $data;
627 }
628
629 db_get cache => "$id/data"
400} 630}
401 631
402=item cf::datalog type => key => value, ... 632=item cf::datalog type => key => value, ...
403 633
404Log a datalog packet of the given type with the given key-value pairs. 634Log a datalog packet of the given type with the given key-value pairs.
422attach callbacks/event handlers (a collection of which is called an "attachment") 652attach callbacks/event handlers (a collection of which is called an "attachment")
423to it. All such attachable objects support the following methods. 653to it. All such attachable objects support the following methods.
424 654
425In the following description, CLASS can be any of C<global>, C<object> 655In the following description, CLASS can be any of C<global>, C<object>
426C<player>, C<client> or C<map> (i.e. the attachable objects in 656C<player>, C<client> or C<map> (i.e. the attachable objects in
427crossfire+). 657Crossfire TRT).
428 658
429=over 4 659=over 4
430 660
431=item $attachable->attach ($attachment, key => $value...) 661=item $attachable->attach ($attachment, key => $value...)
432 662
595 $registry = $CB_TYPE[$object_type] ||= []; 825 $registry = $CB_TYPE[$object_type] ||= [];
596 826
597 } elsif ($type eq "subtype") { 827 } elsif ($type eq "subtype") {
598 defined $object_type or Carp::croak "subtype specified without type"; 828 defined $object_type or Carp::croak "subtype specified without type";
599 my $object_subtype = shift @arg; 829 my $object_subtype = shift @arg;
600 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 830 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601 831
602 } elsif ($type eq "package") { 832 } elsif ($type eq "package") {
603 my $pkg = shift @arg; 833 my $pkg = shift @arg;
604 834
605 while (my ($name, $id) = each %cb_id) { 835 while (my ($name, $id) = each %cb_id) {
634 _attach $registry, $klass, @attach; 864 _attach $registry, $klass, @attach;
635 } 865 }
636 866
637 $obj->{$name} = \%arg; 867 $obj->{$name} = \%arg;
638 } else { 868 } else {
639 warn "object uses attachment '$name' that is not available, postponing.\n"; 869 warn "object uses attachment '$name' which is not available, postponing.\n";
640 } 870 }
641 871
642 $obj->{_attachment}{$name} = undef; 872 $obj->{_attachment}{$name} = undef;
643} 873}
644 874
646 if (ref $_[0]) { 876 if (ref $_[0]) {
647 _object_attach @_; 877 _object_attach @_;
648 } else { 878 } else {
649 _attach shift->_attach_registry, @_; 879 _attach shift->_attach_registry, @_;
650 } 880 }
881 _recalc_want;
651}; 882};
652 883
653# all those should be optimised 884# all those should be optimised
654sub cf::attachable::detach { 885sub cf::attachable::detach {
655 my ($obj, $name) = @_; 886 my ($obj, $name) = @_;
658 delete $obj->{_attachment}{$name}; 889 delete $obj->{_attachment}{$name};
659 reattach ($obj); 890 reattach ($obj);
660 } else { 891 } else {
661 Carp::croak "cannot, currently, detach class attachments"; 892 Carp::croak "cannot, currently, detach class attachments";
662 } 893 }
894 _recalc_want;
663}; 895};
664 896
665sub cf::attachable::attached { 897sub cf::attachable::attached {
666 my ($obj, $name) = @_; 898 my ($obj, $name) = @_;
667 899
682 "; 914 ";
683 die if $@; 915 die if $@;
684} 916}
685 917
686our $override; 918our $override;
687our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 919our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688 920
689sub override { 921sub override {
690 $override = 1; 922 $override = 1;
691 @invoke_results = (); 923 @INVOKE_RESULTS = (@_);
692} 924}
693 925
694sub do_invoke { 926sub do_invoke {
695 my $event = shift; 927 my $event = shift;
696 my $callbacks = shift; 928 my $callbacks = shift;
697 929
698 @invoke_results = (); 930 @INVOKE_RESULTS = ();
699 931
700 local $override; 932 local $override;
701 933
702 for (@$callbacks) { 934 for (@$callbacks) {
703 eval { &{$_->[1]} }; 935 eval { &{$_->[1]} };
720 952
721Generate an object-specific event with the given arguments. 953Generate an object-specific event with the given arguments.
722 954
723This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 955This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724removed in future versions), and there is no public API to access override 956removed in future versions), and there is no public API to access override
725results (if you must, access C<@cf::invoke_results> directly). 957results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726 958
727=back 959=back
728 960
729=cut 961=cut
730 962
731############################################################################# 963#############################################################################
732# object support 964# object support
965#
966
967sub _can_merge {
968 my ($ob1, $ob2) = @_;
969
970 local $Storable::canonical = 1;
971 my $fob1 = Storable::freeze $ob1;
972 my $fob2 = Storable::freeze $ob2;
973
974 $fob1 eq $fob2
975}
733 976
734sub reattach { 977sub reattach {
735 # basically do the same as instantiate, without calling instantiate 978 # basically do the same as instantiate, without calling instantiate
736 my ($obj) = @_; 979 my ($obj) = @_;
737 980
782); 1025);
783 1026
784sub object_freezer_save { 1027sub object_freezer_save {
785 my ($filename, $rdata, $objs) = @_; 1028 my ($filename, $rdata, $objs) = @_;
786 1029
1030 my $guard = cf::lock_acquire "io";
1031
787 sync_job { 1032 sync_job {
788 if (length $$rdata) { 1033 if (length $$rdata) {
1034 utf8::decode (my $decname = $filename);
789 warn sprintf "saving %s (%d,%d)\n", 1035 warn sprintf "saving %s (%d,%d)\n",
790 $filename, length $$rdata, scalar @$objs; 1036 $decname, length $$rdata, scalar @$objs;
791 1037
792 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1038 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793 chmod SAVE_MODE, $fh; 1039 chmod SAVE_MODE, $fh;
794 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1040 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795 aio_fsync $fh if $cf::USE_FSYNC; 1041 aio_fsync $fh if $cf::USE_FSYNC;
814 } 1060 }
815 } else { 1061 } else {
816 aio_unlink $filename; 1062 aio_unlink $filename;
817 aio_unlink "$filename.pst"; 1063 aio_unlink "$filename.pst";
818 } 1064 }
819 } 1065 };
1066
1067 undef $guard;
820} 1068}
821 1069
822sub object_freezer_as_string { 1070sub object_freezer_as_string {
823 my ($rdata, $objs) = @_; 1071 my ($rdata, $objs) = @_;
824 1072
829 1077
830sub object_thawer_load { 1078sub object_thawer_load {
831 my ($filename) = @_; 1079 my ($filename) = @_;
832 1080
833 my ($data, $av); 1081 my ($data, $av);
1082
1083 my $guard = cf::lock_acquire "io";
834 1084
835 (aio_load $filename, $data) >= 0 1085 (aio_load $filename, $data) >= 0
836 or return; 1086 or return;
837 1087
838 unless (aio_stat "$filename.pst") { 1088 unless (aio_stat "$filename.pst") {
839 (aio_load "$filename.pst", $av) >= 0 1089 (aio_load "$filename.pst", $av) >= 0
840 or return; 1090 or return;
1091
1092 undef $guard;
841 $av = eval { (Storable::thaw $av)->{objs} }; 1093 $av = eval { (Storable::thaw $av)->{objs} };
842 } 1094 }
843 1095
1096 utf8::decode (my $decname = $filename);
844 warn sprintf "loading %s (%d)\n", 1097 warn sprintf "loading %s (%d,%d)\n",
845 $filename, length $data, scalar @{$av || []};#d# 1098 $decname, length $data, scalar @{$av || []};
1099
846 return ($data, $av); 1100 ($data, $av)
847} 1101}
1102
1103=head2 COMMAND CALLBACKS
1104
1105=over 4
1106
1107=cut
848 1108
849############################################################################# 1109#############################################################################
850# command handling &c 1110# command handling &c
851 1111
852=item cf::register_command $name => \&callback($ob,$args); 1112=item cf::register_command $name => \&callback($ob,$args);
865 push @{ $COMMAND{$name} }, [$caller, $cb]; 1125 push @{ $COMMAND{$name} }, [$caller, $cb];
866} 1126}
867 1127
868=item cf::register_extcmd $name => \&callback($pl,$packet); 1128=item cf::register_extcmd $name => \&callback($pl,$packet);
869 1129
870Register a callbackf ro execution when the client sends an extcmd packet. 1130Register a callback for execution when the client sends an (synchronous)
1131extcmd packet. Ext commands will be processed in the order they are
1132received by the server, like other user commands. The first argument is
1133the logged-in player. Ext commands can only be processed after a player
1134has logged in successfully.
871 1135
872If the callback returns something, it is sent back as if reply was being 1136If the callback returns something, it is sent back as if reply was being
873called. 1137called.
874 1138
1139=item cf::register_exticmd $name => \&callback($ns,$packet);
1140
1141Register a callback for execution when the client sends an (asynchronous)
1142exticmd packet. Exti commands are processed by the server as soon as they
1143are received, i.e. out of order w.r.t. other commands. The first argument
1144is a client socket. Exti commands can be received anytime, even before
1145log-in.
1146
1147If the callback returns something, it is sent back as if reply was being
1148called.
1149
875=cut 1150=cut
876 1151
877sub register_extcmd { 1152sub register_extcmd {
878 my ($name, $cb) = @_; 1153 my ($name, $cb) = @_;
879 1154
880 $EXTCMD{$name} = $cb; 1155 $EXTCMD{$name} = $cb;
1156}
1157
1158sub register_exticmd {
1159 my ($name, $cb) = @_;
1160
1161 $EXTICMD{$name} = $cb;
881} 1162}
882 1163
883cf::player->attach ( 1164cf::player->attach (
884 on_command => sub { 1165 on_command => sub {
885 my ($pl, $name, $params) = @_; 1166 my ($pl, $name, $params) = @_;
894 cf::override; 1175 cf::override;
895 }, 1176 },
896 on_extcmd => sub { 1177 on_extcmd => sub {
897 my ($pl, $buf) = @_; 1178 my ($pl, $buf) = @_;
898 1179
899 my $msg = eval { from_json $buf }; 1180 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900 1181
901 if (ref $msg) { 1182 if (ref $msg) {
1183 my ($type, $reply, @payload) =
1184 "ARRAY" eq ref $msg
1185 ? @$msg
1186 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1187
1188 my @reply;
1189
902 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1190 if (my $cb = $EXTCMD{$type}) {
903 if (my %reply = $cb->($pl, $msg)) { 1191 @reply = $cb->($pl, @payload);
904 $pl->ext_reply ($msg->{msgid}, %reply);
905 }
906 } 1192 }
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196
907 } else { 1197 } else {
908 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909 } 1199 }
910 1200
911 cf::override; 1201 cf::override;
912 }, 1202 },
913); 1203);
914 1204
915sub load_extension {
916 my ($path) = @_;
917
918 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
919 my $base = $1;
920 my $pkg = $1;
921 $pkg =~ s/[^[:word:]]/_/g;
922 $pkg = "ext::$pkg";
923
924 warn "... loading '$path' into '$pkg'\n";
925
926 open my $fh, "<:utf8", $path
927 or die "$path: $!";
928
929 my $source =
930 "package $pkg; use strict; use utf8;\n"
931 . "#line 1 \"$path\"\n{\n"
932 . (do { local $/; <$fh> })
933 . "\n};\n1";
934
935 unless (eval $source) {
936 my $msg = $@ ? "$path: $@\n"
937 : "extension disabled.\n";
938 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939 warn $@;
940 warn "mandatory extension failed to load, exiting.\n";
941 exit 1;
942 }
943 die $@;
944 }
945
946 push @EXTS, $pkg;
947}
948
949sub load_extensions { 1205sub load_extensions {
1206 cf::sync_job {
1207 my %todo;
1208
950 for my $ext (<$LIBDIR/*.ext>) { 1209 for my $path (<$LIBDIR/*.ext>) {
951 next unless -r $ext; 1210 next unless -r $path;
952 eval { 1211
953 load_extension $ext; 1212 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1213 my $base = $1;
1214 my $pkg = $1;
1215 $pkg =~ s/[^[:word:]]/_/g;
1216 $pkg = "ext::$pkg";
1217
1218 open my $fh, "<:utf8", $path
1219 or die "$path: $!";
1220
1221 my $source = do { local $/; <$fh> };
1222
1223 my %ext = (
1224 path => $path,
1225 base => $base,
1226 pkg => $pkg,
1227 );
1228
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231
1232 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n"
1234 . "#line 1 \"$path\"\n{\n"
1235 . $source
1236 . "\n};\n1";
1237
1238 $todo{$base} = \%ext;
1239 }
1240
1241 my %done;
1242 while (%todo) {
1243 my $progress;
1244
1245 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip
1248 unless exists $done{$_};
1249 }
1250
1251 warn "... loading '$k' into '$v->{pkg}'\n";
1252
1253 unless (eval $v->{source}) {
1254 my $msg = $@ ? "$v->{path}: $@\n"
1255 : "$v->{base}: extension inactive.\n";
1256
1257 if (exists $v->{meta}{mandatory}) {
1258 warn $msg;
1259 warn "mandatory extension failed to load, exiting.\n";
1260 exit 1;
1261 }
1262
1263 warn $msg;
1264 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
954 1 1269 }
955 } or warn "$ext not loaded: $@"; 1270
1271 skip:
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1273 unless $progress;
1274 }
956 } 1275 };
957} 1276}
958 1277
959############################################################################# 1278#############################################################################
960 1279
1280=back
1281
961=head2 CORE EXTENSIONS 1282=head2 CORE EXTENSIONS
962 1283
963Functions and methods that extend core crossfire objects. 1284Functions and methods that extend core crossfire objects.
964 1285
965=cut 1286=cut
969use Coro::AIO; 1290use Coro::AIO;
970 1291
971=head3 cf::player 1292=head3 cf::player
972 1293
973=over 4 1294=over 4
1295
1296=item cf::player::num_playing
1297
1298Returns the official number of playing players, as per the Crossfire metaserver rules.
1299
1300=cut
1301
1302sub num_playing {
1303 scalar grep
1304 $_->ob->map
1305 && !$_->hidden
1306 && !$_->ob->flag (cf::FLAG_WIZ),
1307 cf::player::list
1308}
974 1309
975=item cf::player::find $login 1310=item cf::player::find $login
976 1311
977Returns the given player object, loading it if necessary (might block). 1312Returns the given player object, loading it if necessary (might block).
978 1313
1014 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1349 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1350 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1351 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017 aio_unlink +(playerdir $login) . "/$login.pl"; 1352 aio_unlink +(playerdir $login) . "/$login.pl";
1018 1353
1019 my $pl = load_pl path $login 1354 my $f = new_from_file cf::object::thawer path $login
1020 or return; 1355 or return;
1356
1357 $f->next;
1358 my $pl = cf::player::load_pl $f
1359 or return;
1360 local $cf::PLAYER_LOADING{$login} = $pl;
1361 $f->resolve_delayed_derefs;
1021 $cf::PLAYER{$login} = $pl 1362 $cf::PLAYER{$login} = $pl
1022 } 1363 }
1023 } 1364 }
1024} 1365}
1025 1366
1035 1376
1036 aio_mkdir playerdir $pl, 0770; 1377 aio_mkdir playerdir $pl, 0770;
1037 $pl->{last_save} = $cf::RUNTIME; 1378 $pl->{last_save} = $cf::RUNTIME;
1038 1379
1039 $pl->save_pl ($path); 1380 $pl->save_pl ($path);
1040 Coro::cede; 1381 cf::cede_to_tick;
1041} 1382}
1042 1383
1043sub new($) { 1384sub new($) {
1044 my ($login) = @_; 1385 my ($login) = @_;
1045 1386
1049 $self->{deny_save} = 1; 1390 $self->{deny_save} = 1;
1050 1391
1051 $cf::PLAYER{$login} = $self; 1392 $cf::PLAYER{$login} = $self;
1052 1393
1053 $self 1394 $self
1395}
1396
1397=item $player->send_msg ($channel, $msg, $color, [extra...])
1398
1399=cut
1400
1401sub send_msg {
1402 my $ns = shift->ns
1403 or return;
1404 $ns->send_msg (@_);
1054} 1405}
1055 1406
1056=item $pl->quit_character 1407=item $pl->quit_character
1057 1408
1058Nukes the player without looking back. If logged in, the connection will 1409Nukes the player without looking back. If logged in, the connection will
1113 or return []; 1464 or return [];
1114 1465
1115 my @logins; 1466 my @logins;
1116 1467
1117 for my $login (@$dirs) { 1468 for my $login (@$dirs) {
1469 my $path = path $login;
1470
1471 # a .pst is a dead give-away for a valid player
1472 unless (-e "$path.pst") {
1118 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119 aio_read $fh, 0, 512, my $buf, 0 or next; 1474 aio_read $fh, 0, 512, my $buf, 0 or next;
1120 $buf !~ /^password -------------$/m or next; # official not-valid tag 1475 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 }
1121 1477
1122 utf8::decode $login; 1478 utf8::decode $login;
1123 push @logins, $login; 1479 push @logins, $login;
1124 } 1480 }
1125 1481
1152 } 1508 }
1153 1509
1154 \@paths 1510 \@paths
1155} 1511}
1156 1512
1513=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1514
1515Expand crossfire pod fragments into protocol xml.
1516
1517=cut
1518
1519sub expand_cfpod {
1520 ((my $self), (local $_)) = @_;
1521
1522 # escape & and <
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525
1526 # this is buggy, it needs to properly take care of nested <'s
1527
1528 1 while
1529 # replace B<>, I<>, U<> etc.
1530 s/B<([^\>]*)>/<b>$1<\/b>/
1531 || s/I<([^\>]*)>/<i>$1<\/i>/
1532 || s/U<([^\>]*)>/<u>$1<\/u>/
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534 # replace G<male|female> tags
1535 || s{G<([^>|]*)\|([^>]*)>}{
1536 $self->gender ? $2 : $1
1537 }ge
1538 # replace H<hint text>
1539 || s{H<([^\>]*)>}
1540 {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "")
1544 [$self->{hintmode}]
1545 }ge;
1546
1547 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g;
1549
1550 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines
1555
1556 $_
1557}
1558
1559sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode}
1562}
1563
1157=item $player->ext_reply ($msgid, %msg) 1564=item $player->ext_reply ($msgid, @msg)
1158 1565
1159Sends an ext reply to the player. 1566Sends an ext reply to the player.
1160 1567
1161=cut 1568=cut
1162 1569
1163sub ext_reply($$%) { 1570sub ext_reply($$@) {
1164 my ($self, $id, %msg) = @_; 1571 my ($self, $id, @msg) = @_;
1165 1572
1166 $msg{msgid} = $id; 1573 $self->ns->ext_reply ($id, @msg)
1167
1168 $self->send ("ext " . cf::to_json \%msg);
1169} 1574}
1170 1575
1171=item $player->ext_event ($type, %msg) 1576=item $player->ext_msg ($type, @msg)
1172 1577
1173Sends an ext event to the client. 1578Sends an ext event to the client.
1174 1579
1175=cut 1580=cut
1176 1581
1177sub ext_event($$%) { 1582sub ext_msg($$@) {
1178 my ($self, $type, %msg) = @_; 1583 my ($self, $type, @msg) = @_;
1179 1584
1180 $self->ns->ext_event ($type, %msg); 1585 $self->ns->ext_msg ($type, @msg);
1181} 1586}
1182 1587
1183=head3 cf::region 1588=head3 cf::region
1184 1589
1185=over 4 1590=over 4
1188 1593
1189package cf::region; 1594package cf::region;
1190 1595
1191=item cf::region::find_by_path $path 1596=item cf::region::find_by_path $path
1192 1597
1193Tries to decuce the probable region for a map knowing only its path. 1598Tries to decuce the likely region for a map knowing only its path.
1194 1599
1195=cut 1600=cut
1196 1601
1197sub find_by_path($) { 1602sub find_by_path($) {
1198 my ($path) = @_; 1603 my ($path) = @_;
1199 1604
1200 my ($match, $specificity); 1605 my ($match, $specificity);
1201 1606
1202 for my $region (list) { 1607 for my $region (list) {
1203 if ($region->match && $path =~ $region->match) { 1608 if ($region->{match} && $path =~ $region->{match}) {
1204 ($match, $specificity) = ($region, $region->specificity) 1609 ($match, $specificity) = ($region, $region->specificity)
1205 if $region->specificity > $specificity; 1610 if $region->specificity > $specificity;
1206 } 1611 }
1207 } 1612 }
1208 1613
1272 my ($self, $merge) = @_; 1677 my ($self, $merge) = @_;
1273 1678
1274 # we have to keep some variables in memory intact 1679 # we have to keep some variables in memory intact
1275 local $self->{path}; 1680 local $self->{path};
1276 local $self->{load_path}; 1681 local $self->{load_path};
1277 local $self->{deny_save};
1278 local $self->{deny_reset};
1279 1682
1280 $self->SUPER::thawer_merge ($merge); 1683 $self->SUPER::thawer_merge ($merge);
1281} 1684}
1282 1685
1283sub normalise { 1686sub normalise {
1330 $self->init; # pass $1 etc. 1733 $self->init; # pass $1 etc.
1331 return $self; 1734 return $self;
1332 } 1735 }
1333 } 1736 }
1334 1737
1335 Carp::carp "unable to resolve path '$path' (base '$base')."; 1738 Carp::cluck "unable to resolve path '$path' (base '$base').";
1336 () 1739 ()
1337} 1740}
1338 1741
1339sub init { 1742sub init {
1340 my ($self) = @_; 1743 my ($self) = @_;
1383 1786
1384 $_->change_map_light ($change) 1787 $_->change_map_light ($change)
1385 for grep $_->outdoor, values %cf::MAP; 1788 for grep $_->outdoor, values %cf::MAP;
1386} 1789}
1387 1790
1791sub decay_objects {
1792 my ($self) = @_;
1793
1794 return if $self->{deny_reset};
1795
1796 $self->do_decay_objects;
1797}
1798
1388sub unlink_save { 1799sub unlink_save {
1389 my ($self) = @_; 1800 my ($self) = @_;
1390 1801
1391 utf8::encode (my $save = $self->save_path); 1802 utf8::encode (my $save = $self->save_path);
1392 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1803 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1395 1806
1396sub load_header_from($) { 1807sub load_header_from($) {
1397 my ($self, $path) = @_; 1808 my ($self, $path) = @_;
1398 1809
1399 utf8::encode $path; 1810 utf8::encode $path;
1400 #aio_open $path, O_RDONLY, 0 1811 my $f = new_from_file cf::object::thawer $path
1401 # or return;
1402
1403 $self->_load_header ($path)
1404 or return; 1812 or return;
1813
1814 $self->_load_header ($f)
1815 or return;
1816
1817 local $MAP_LOADING{$self->{path}} = $self;
1818 $f->resolve_delayed_derefs;
1405 1819
1406 $self->{load_path} = $path; 1820 $self->{load_path} = $path;
1407 1821
1408 1 1822 1
1409} 1823}
1448 $self->load_header_orig 1862 $self->load_header_orig
1449 or return; 1863 or return;
1450 $self->prepare_orig; 1864 $self->prepare_orig;
1451 } 1865 }
1452 1866
1867 $self->{deny_reset} = 1
1868 if $self->no_reset;
1869
1453 $self->default_region (cf::region::find_by_path $self->{path}) 1870 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region; 1871 unless $self->default_region;
1455 1872
1456 1 1873 1
1457} 1874}
1460sub find { 1877sub find {
1461 my ($path, $origin) = @_; 1878 my ($path, $origin) = @_;
1462 1879
1463 $path = normalise $path, $origin && $origin->path; 1880 $path = normalise $path, $origin && $origin->path;
1464 1881
1882 cf::lock_wait "map_data:$path";#d#remove
1465 cf::lock_wait "map_find:$path"; 1883 cf::lock_wait "map_find:$path";
1466 1884
1467 $cf::MAP{$path} || do { 1885 $cf::MAP{$path} || do {
1468 my $guard = cf::lock_acquire "map_find:$path"; 1886 my $guard1 = cf::lock_acquire "map_find:$path";
1887 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1469 my $map = new_from_path cf::map $path 1889 my $map = new_from_path cf::map $path
1470 or return; 1890 or return;
1471 1891
1472 $map->{last_save} = $cf::RUNTIME; 1892 $map->{last_save} = $cf::RUNTIME;
1473 1893
1474 $map->load_header 1894 $map->load_header
1475 or return; 1895 or return;
1476 1896
1477 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478 # doing this can freeze the server in a sync job, obviously 1898 # doing this can freeze the server in a sync job, obviously
1479 #$cf::WAIT_FOR_TICK->wait; 1899 #$cf::WAIT_FOR_TICK->wait;
1900 undef $guard1;
1901 undef $guard2;
1480 $map->reset; 1902 $map->reset;
1481 undef $guard;
1482 return find $path; 1903 return find $path;
1483 } 1904 }
1484 1905
1485 $cf::MAP{$path} = $map 1906 $cf::MAP{$path} = $map
1486 } 1907 }
1495 local $self->{deny_reset} = 1; # loading can take a long time 1916 local $self->{deny_reset} = 1; # loading can take a long time
1496 1917
1497 my $path = $self->{path}; 1918 my $path = $self->{path};
1498 1919
1499 { 1920 {
1500 my $guard = cf::lock_acquire "map_load:$path"; 1921 my $guard = cf::lock_acquire "map_data:$path";
1501 1922
1923 return unless $self->valid;
1502 return if $self->in_memory != cf::MAP_SWAPPED; 1924 return unless $self->in_memory == cf::MAP_SWAPPED;
1503 1925
1504 $self->in_memory (cf::MAP_LOADING); 1926 $self->in_memory (cf::MAP_LOADING);
1505 1927
1506 $self->alloc; 1928 $self->alloc;
1507 1929
1508 $self->pre_load; 1930 $self->pre_load;
1509 Coro::cede; 1931 cf::cede_to_tick;
1510 1932
1933 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block;
1511 $self->_load_objects ($self->{load_path}, 1) 1935 $self->_load_objects ($f)
1512 or return; 1936 or return;
1513 1937
1514 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515 if delete $self->{load_original}; 1939 if delete $self->{load_original};
1516 1940
1517 if (my $uniq = $self->uniq_path) { 1941 if (my $uniq = $self->uniq_path) {
1518 utf8::encode $uniq; 1942 utf8::encode $uniq;
1519 if (aio_open $uniq, O_RDONLY, 0) { 1943 unless (aio_stat $uniq) {
1944 if (my $f = new_from_file cf::object::thawer $uniq) {
1520 $self->clear_unique_items; 1945 $self->clear_unique_items;
1521 $self->_load_objects ($uniq, 0); 1946 $self->_load_objects ($f);
1947 $f->resolve_delayed_derefs;
1948 }
1522 } 1949 }
1523 } 1950 }
1524 1951
1525 Coro::cede; 1952 $f->resolve_delayed_derefs;
1953
1954 cf::cede_to_tick;
1526 # now do the right thing for maps 1955 # now do the right thing for maps
1527 $self->link_multipart_objects; 1956 $self->link_multipart_objects;
1528 $self->difficulty ($self->estimate_difficulty) 1957 $self->difficulty ($self->estimate_difficulty)
1529 unless $self->difficulty; 1958 unless $self->difficulty;
1530 Coro::cede; 1959 cf::cede_to_tick;
1531 1960
1532 unless ($self->{deny_activate}) { 1961 unless ($self->{deny_activate}) {
1533 $self->decay_objects; 1962 $self->decay_objects;
1534 $self->fix_auto_apply; 1963 $self->fix_auto_apply;
1535 $self->update_buttons; 1964 $self->update_buttons;
1536 Coro::cede; 1965 cf::cede_to_tick;
1537 $self->set_darkness_map; 1966 $self->set_darkness_map;
1538 Coro::cede; 1967 cf::cede_to_tick;
1539 $self->activate; 1968 $self->activate;
1540 } 1969 }
1970
1971 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME);
1541 1973
1542 $self->in_memory (cf::MAP_IN_MEMORY); 1974 $self->in_memory (cf::MAP_IN_MEMORY);
1543 } 1975 }
1544 1976
1545 $self->post_load; 1977 $self->post_load;
1549 my ($self, $ob) = @_; 1981 my ($self, $ob) = @_;
1550 1982
1551 return find "~" . $ob->name . "/" . $self->{path} 1983 return find "~" . $ob->name . "/" . $self->{path}
1552 if $self->per_player; 1984 if $self->per_player;
1553 1985
1986# return find "?party/" . $ob->name . "/" . $self->{path}
1987# if $self->per_party;
1988
1554 $self 1989 $self
1555} 1990}
1556 1991
1557# find and load all maps in the 3x3 area around a map 1992# find and load all maps in the 3x3 area around a map
1558sub load_diag { 1993sub load_neighbours {
1559 my ($map) = @_; 1994 my ($map) = @_;
1560 1995
1561 my @diag; # diagonal neighbours 1996 my @neigh; # diagonal neighbours
1562 1997
1563 for (0 .. 3) { 1998 for (0 .. 3) {
1564 my $neigh = $map->tile_path ($_) 1999 my $neigh = $map->tile_path ($_)
1565 or next; 2000 or next;
1566 $neigh = find $neigh, $map 2001 $neigh = find $neigh, $map
1567 or next; 2002 or next;
1568 $neigh->load; 2003 $neigh->load;
1569 2004
2005 push @neigh,
1570 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2006 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2007 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1572 } 2008 }
1573 2009
1574 for (@diag) { 2010 for (grep defined $_->[0], @neigh) {
2011 my ($path, $origin) = @$_;
1575 my $neigh = find @$_ 2012 my $neigh = find $path, $origin
1576 or next; 2013 or next;
1577 $neigh->load; 2014 $neigh->load;
1578 } 2015 }
1579} 2016}
1580 2017
1585} 2022}
1586 2023
1587sub do_load_sync { 2024sub do_load_sync {
1588 my ($map) = @_; 2025 my ($map) = @_;
1589 2026
2027 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2028 if $Coro::current == $Coro::main;
2029
1590 cf::sync_job { $map->load }; 2030 cf::sync_job { $map->load };
1591} 2031}
1592 2032
1593our %MAP_PREFETCH; 2033our %MAP_PREFETCH;
1594our $MAP_PREFETCHER = undef; 2034our $MAP_PREFETCHER = undef;
1595 2035
1596sub find_async { 2036sub find_async {
1597 my ($path, $origin) = @_; 2037 my ($path, $origin, $load) = @_;
1598 2038
1599 $path = normalise $path, $origin && $origin->{path}; 2039 $path = normalise $path, $origin && $origin->{path};
1600 2040
1601 if (my $map = $cf::MAP{$path}) { 2041 if (my $map = $cf::MAP{$path}) {
1602 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603 } 2043 }
1604 2044
1605 undef $MAP_PREFETCH{$path}; 2045 $MAP_PREFETCH{$path} |= $load;
2046
1606 $MAP_PREFETCHER ||= cf::async { 2047 $MAP_PREFETCHER ||= cf::async {
1607 while (%MAP_PREFETCH) { 2048 while (%MAP_PREFETCH) {
1608 for my $path (keys %MAP_PREFETCH) { 2049 while (my ($k, $v) = each %MAP_PREFETCH) {
1609 my $map = find $path 2050 if (my $map = find $k) {
1610 or next;
1611 $map->load; 2051 $map->load if $v;
2052 }
1612 2053
1613 delete $MAP_PREFETCH{$path}; 2054 delete $MAP_PREFETCH{$k};
1614 } 2055 }
1615 } 2056 }
1616 undef $MAP_PREFETCHER; 2057 undef $MAP_PREFETCHER;
1617 }; 2058 };
1618 $MAP_PREFETCHER->prio (6); 2059 $MAP_PREFETCHER->prio (6);
1621} 2062}
1622 2063
1623sub save { 2064sub save {
1624 my ($self) = @_; 2065 my ($self) = @_;
1625 2066
1626 my $lock = cf::lock_acquire "map_data:" . $self->path; 2067 my $lock = cf::lock_acquire "map_data:$self->{path}";
1627 2068
1628 $self->{last_save} = $cf::RUNTIME; 2069 $self->{last_save} = $cf::RUNTIME;
1629 2070
1630 return unless $self->dirty; 2071 return unless $self->dirty;
1631 2072
1654 my ($self) = @_; 2095 my ($self) = @_;
1655 2096
1656 # save first because save cedes 2097 # save first because save cedes
1657 $self->save; 2098 $self->save;
1658 2099
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2100 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2101
1661 return if $self->players; 2102 return if $self->players;
1662 return if $self->in_memory != cf::MAP_IN_MEMORY; 2103 return if $self->in_memory != cf::MAP_IN_MEMORY;
1663 return if $self->{deny_save}; 2104 return if $self->{deny_save};
1664 2105
2106 $self->in_memory (cf::MAP_SWAPPED);
2107
2108 $self->deactivate;
2109 $_->clear_links_to ($self) for values %cf::MAP;
1665 $self->clear; 2110 $self->clear;
1666 $self->in_memory (cf::MAP_SWAPPED);
1667} 2111}
1668 2112
1669sub reset_at { 2113sub reset_at {
1670 my ($self) = @_; 2114 my ($self) = @_;
1671 2115
1672 # TODO: safety, remove and allow resettable per-player maps 2116 # TODO: safety, remove and allow resettable per-player maps
1673 return 1e99 if $self->isa ("ext::map_per_player");#d#
1674 return 1e99 if $self->{deny_reset}; 2117 return 1e99 if $self->{deny_reset};
1675 2118
1676 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2119 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2120 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678 2121
1689 my ($self) = @_; 2132 my ($self) = @_;
1690 2133
1691 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2134 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2135
1693 return if $self->players; 2136 return if $self->players;
1694 return if $self->isa ("ext::map_per_player");#d#
1695 2137
1696 warn "resetting map ", $self->path;#d# 2138 warn "resetting map ", $self->path;
1697 2139
1698 $self->in_memory (cf::MAP_SWAPPED); 2140 $self->in_memory (cf::MAP_SWAPPED);
1699 2141
1700 # need to save uniques path 2142 # need to save uniques path
1701 unless ($self->{deny_save}) { 2143 unless ($self->{deny_save}) {
1705 if $uniq; 2147 if $uniq;
1706 } 2148 }
1707 2149
1708 delete $cf::MAP{$self->path}; 2150 delete $cf::MAP{$self->path};
1709 2151
2152 $self->deactivate;
2153 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2154 $self->clear;
1711
1712 $_->clear_links_to ($self) for values %cf::MAP;
1713 2155
1714 $self->unlink_save; 2156 $self->unlink_save;
1715 $self->destroy; 2157 $self->destroy;
1716} 2158}
1717 2159
1718my $nuke_counter = "aaaa"; 2160my $nuke_counter = "aaaa";
1719 2161
1720sub nuke { 2162sub nuke {
1721 my ($self) = @_; 2163 my ($self) = @_;
1722 2164
2165 {
2166 my $lock = cf::lock_acquire "map_data:$self->{path}";
2167
1723 delete $cf::MAP{$self->path}; 2168 delete $cf::MAP{$self->path};
1724 2169
1725 $self->unlink_save; 2170 $self->unlink_save;
1726 2171
1727 bless $self, "cf::map"; 2172 bless $self, "cf::map";
1728 delete $self->{deny_reset}; 2173 delete $self->{deny_reset};
1729 $self->{deny_save} = 1; 2174 $self->{deny_save} = 1;
1730 $self->reset_timeout (1); 2175 $self->reset_timeout (1);
1731 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2176 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732 2177
1733 $cf::MAP{$self->path} = $self; 2178 $cf::MAP{$self->path} = $self;
2179 }
1734 2180
1735 $self->reset; # polite request, might not happen 2181 $self->reset; # polite request, might not happen
2182}
2183
2184=item $maps = cf::map::tmp_maps
2185
2186Returns an arrayref with all map paths of currently instantiated and saved
2187maps. May block.
2188
2189=cut
2190
2191sub tmp_maps() {
2192 [
2193 map {
2194 utf8::decode $_;
2195 /\.map$/
2196 ? normalise $_
2197 : ()
2198 } @{ aio_readdir $TMPDIR or [] }
2199 ]
2200}
2201
2202=item $maps = cf::map::random_maps
2203
2204Returns an arrayref with all map paths of currently instantiated and saved
2205random maps. May block.
2206
2207=cut
2208
2209sub random_maps() {
2210 [
2211 map {
2212 utf8::decode $_;
2213 /\.map$/
2214 ? normalise "?random/$_"
2215 : ()
2216 } @{ aio_readdir $RANDOMDIR or [] }
2217 ]
1736} 2218}
1737 2219
1738=item cf::map::unique_maps 2220=item cf::map::unique_maps
1739 2221
1740Returns an arrayref of paths of all shared maps that have 2222Returns an arrayref of paths of all shared maps that have
1741instantiated unique items. May block. 2223instantiated unique items. May block.
1742 2224
1743=cut 2225=cut
1744 2226
1745sub unique_maps() { 2227sub unique_maps() {
1746 my $files = aio_readdir $UNIQUEDIR 2228 [
1747 or return; 2229 map {
1748
1749 my @paths;
1750
1751 for (@$files) {
1752 utf8::decode $_; 2230 utf8::decode $_;
1753 next if /\.pst$/; 2231 /\.map$/
1754 next unless /^$PATH_SEP/o; 2232 ? normalise $_
1755 2233 : ()
1756 push @paths, cf::map::normalise $_; 2234 } @{ aio_readdir $UNIQUEDIR or [] }
1757 } 2235 ]
1758
1759 \@paths
1760} 2236}
1761 2237
1762package cf; 2238package cf;
1763 2239
1764=back 2240=back
1782 map { $_, inv_recursive_ $_->inv } @_ 2258 map { $_, inv_recursive_ $_->inv } @_
1783} 2259}
1784 2260
1785sub inv_recursive { 2261sub inv_recursive {
1786 inv_recursive_ inv $_[0] 2262 inv_recursive_ inv $_[0]
2263}
2264
2265=item $ref = $ob->ref
2266
2267creates and returns a persistent reference to an objetc that can be stored as a string.
2268
2269=item $ob = cf::object::deref ($refstring)
2270
2271returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272even if the object actually exists. May block.
2273
2274=cut
2275
2276sub deref {
2277 my ($ref) = @_;
2278
2279 # temporary compatibility#TODO#remove
2280 $ref =~ s{^<}{player/<};
2281
2282 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return;
2286 $pl->ob->uuid eq $uuid
2287 or return;
2288
2289 $pl->ob
2290 } else {
2291 warn "$ref: cannot resolve object reference\n";
2292 undef
2293 }
1787} 2294}
1788 2295
1789package cf; 2296package cf;
1790 2297
1791=back 2298=back
1810 2317
1811 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2318 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812 2319
1813 if ($self->{record_replies}) { 2320 if ($self->{record_replies}) {
1814 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2321 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2322
1815 } else { 2323 } else {
2324 my $pl = $self->contr;
2325
2326 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2327 my $dialog = $pl->{npc_dialog};
2328 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329
2330 } else {
1816 $msg = $npc->name . " says: $msg" if $npc; 2331 $msg = $npc->name . " says: $msg" if $npc;
1817 $self->message ($msg, $flags); 2332 $self->message ($msg, $flags);
2333 }
1818 } 2334 }
2335}
2336
2337=item $object->send_msg ($channel, $msg, $color, [extra...])
2338
2339=cut
2340
2341sub cf::object::send_msg {
2342 my $pl = shift->contr
2343 or return;
2344 $pl->send_msg (@_);
1819} 2345}
1820 2346
1821=item $player_object->may ("access") 2347=item $player_object->may ("access")
1822 2348
1823Returns wether the given player is authorized to access resource "access" 2349Returns wether the given player is authorized to access resource "access"
1870 $self->deactivate_recursive; 2396 $self->deactivate_recursive;
1871 2397
1872 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2398 return if UNIVERSAL::isa $self->map, "ext::map_link";
1873 2399
1874 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2400 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875 if $self->map; 2401 if $self->map && $self->map->{path} ne "{link}";
1876 2402
1877 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2403 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1878} 2404}
1879 2405
1880sub cf::object::player::leave_link { 2406sub cf::object::player::leave_link {
1881 my ($self, $map, $x, $y) = @_; 2407 my ($self, $map, $x, $y) = @_;
2408
2409 return unless $self->contr->active;
1882 2410
1883 my $link_pos = delete $self->{_link_pos}; 2411 my $link_pos = delete $self->{_link_pos};
1884 2412
1885 unless ($map) { 2413 unless ($map) {
1886 # restore original map position 2414 # restore original map position
1900 # use -1 or undef as default coordinates, not 0, 0 2428 # use -1 or undef as default coordinates, not 0, 0
1901 ($x, $y) = ($map->enter_x, $map->enter_y) 2429 ($x, $y) = ($map->enter_x, $map->enter_y)
1902 if $x <=0 && $y <= 0; 2430 if $x <=0 && $y <= 0;
1903 2431
1904 $map->load; 2432 $map->load;
1905 $map->load_diag; 2433 $map->load_neighbours;
1906 2434
1907 return unless $self->contr->active; 2435 return unless $self->contr->active;
1908 $self->activate_recursive; 2436 $self->activate_recursive;
1909 2437
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911 $self->enter_map ($map, $x, $y); 2439 $self->enter_map ($map, $x, $y);
1912} 2440}
1913 2441
1914cf::player->attach ( 2442=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915 on_logout => sub {
1916 my ($pl) = @_;
1917 2443
1918 # abort map switching before logout 2444Moves the player to the given map-path and coordinates by first freezing
1919 if ($pl->ob->{_link_pos}) { 2445her, loading and preparing them map, calling the provided $check callback
1920 cf::sync_job { 2446that has to return the map if sucecssful, and then unfreezes the player on
1921 $pl->ob->leave_link 2447the new (success) or old (failed) map position. In either case, $done will
1922 }; 2448be called at the end of this process.
1923 }
1924 },
1925 on_login => sub {
1926 my ($pl) = @_;
1927 2449
1928 # try to abort aborted map switching on player login :)
1929 # should happen only on crashes
1930 if ($pl->ob->{_link_pos}) {
1931 $pl->ob->enter_link;
1932 (async {
1933 $pl->ob->reply (undef,
1934 "There was an internal problem at your last logout, "
1935 . "the server will try to bring you to your intended destination in a second.",
1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1939 Coro::Timer::sleep 1;
1940 $pl->ob->leave_link;
1941 })->prio (2);
1942 }
1943 },
1944);
1945
1946=item $player_object->goto ($path, $x, $y)
1947
1948=cut 2450=cut
2451
2452our $GOTOGEN;
1949 2453
1950sub cf::object::player::goto { 2454sub cf::object::player::goto {
1951 my ($self, $path, $x, $y) = @_; 2455 my ($self, $path, $x, $y, $check, $done) = @_;
2456
2457 # do generation counting so two concurrent goto's will be executed in-order
2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952 2459
1953 $self->enter_link; 2460 $self->enter_link;
1954 2461
1955 (async { 2462 (async {
2463 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs];
2467 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2468 }
2469 }
2470
1956 my $map = eval { 2471 my $map = eval {
1957 my $map = cf::map::find $path; 2472 my $map = cf::map::find $path;
2473
2474 if ($map) {
1958 $map = $map->customise_for ($self) if $map; 2475 $map = $map->customise_for ($self);
2476 $map = $check->($map) if $check && $map;
2477 } else {
2478 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2479 }
2480
1959 $map 2481 $map
2482 };
2483
2484 if ($@) {
2485 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2486 LOG llevError | logBacktrace, Carp::longmess $@;
1960 } or 2487 }
1961 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962 2488
2489 if ($gen == $self->{_goto_generation}) {
2490 delete $self->{_goto_generation};
1963 $self->leave_link ($map, $x, $y); 2491 $self->leave_link ($map, $x, $y);
2492 }
2493
2494 $done->() if $done;
1964 })->prio (1); 2495 })->prio (1);
1965} 2496}
1966 2497
1967=item $player_object->enter_exit ($exit_object) 2498=item $player_object->enter_exit ($exit_object)
1968 2499
2037 my $hp = $exit->stats->hp; 2568 my $hp = $exit->stats->hp;
2038 my $sp = $exit->stats->sp; 2569 my $sp = $exit->stats->sp;
2039 2570
2040 $self->enter_link; 2571 $self->enter_link;
2041 2572
2573 # if exit is damned, update players death & WoR home-position
2574 $self->contr->savebed ($slaying, $hp, $sp)
2575 if $exit->flag (FLAG_DAMNED);
2576
2042 (async { 2577 (async {
2043 $self->deactivate_recursive; # just to be sure 2578 $self->deactivate_recursive; # just to be sure
2044 unless (eval { 2579 unless (eval {
2045 $self->goto ($slaying, $hp, $sp); 2580 $self->goto ($slaying, $hp, $sp);
2046 2581
2073 2608
2074 utf8::encode $text; 2609 utf8::encode $text;
2075 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2610 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076} 2611}
2077 2612
2613=item $client->send_msg ($channel, $msg, $color, [extra...])
2614
2615Send a drawinfo or msg packet to the client, formatting the msg for the
2616client if neccessary. C<$type> should be a string identifying the type of
2617the message, with C<log> being the default. If C<$color> is negative, suppress
2618the message unless the client supports the msg packet.
2619
2620=cut
2621
2622our %CHANNEL = (
2623 "c/identify" => {
2624 id => "identify",
2625 title => "Identify",
2626 reply => undef,
2627 tooltip => "Items recently identified",
2628 },
2629 "c/examine" => {
2630 id => "examine",
2631 title => "Examine",
2632 reply => undef,
2633 tooltip => "Signs and other items you examined",
2634 },
2635);
2636
2637sub cf::client::send_msg {
2638 my ($self, $channel, $msg, $color, @extra) = @_;
2639
2640 $msg = $self->pl->expand_cfpod ($msg);
2641
2642 $color &= cf::NDI_CLIENT_MASK; # just in case...
2643
2644 # check predefined channels, for the benefit of C
2645 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2646
2647 if (ref $channel) {
2648 # send meta info to client, if not yet sent
2649 unless (exists $self->{channel}{$channel->{id}}) {
2650 $self->{channel}{$channel->{id}} = $channel;
2651 $self->ext_msg (channel_info => $channel)
2652 if $self->can_msg;
2653 }
2654
2655 $channel = $channel->{id};
2656 }
2657
2658 return unless @extra || length $msg;
2659
2660 if ($self->can_msg) {
2661 # default colour, mask it out
2662 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2663 if $color & cf::NDI_DEF;
2664
2665 $self->send_packet ("msg " . $self->{json_coder}->encode (
2666 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2667 } else {
2668 if ($color >= 0) {
2669 # replace some tags by gcfclient-compatible ones
2670 for ($msg) {
2671 1 while
2672 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2673 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2674 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2675 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2676 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2677 }
2678
2679 $color &= cf::NDI_COLOR_MASK;
2680
2681 utf8::encode $msg;
2682
2683 if (0 && $msg =~ /\[/) {
2684 # COMMAND/INFO
2685 $self->send_packet ("drawextinfo $color 10 8 $msg")
2686 } else {
2687 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2688 $self->send_packet ("drawinfo $color $msg")
2689 }
2690 }
2691 }
2692}
2693
2078=item $client->ext_event ($type, %msg) 2694=item $client->ext_msg ($type, @msg)
2079 2695
2080Sends an exti event to the client. 2696Sends an ext event to the client.
2081 2697
2082=cut 2698=cut
2083 2699
2084sub cf::client::ext_event($$%) { 2700sub cf::client::ext_msg($$@) {
2085 my ($self, $type, %msg) = @_; 2701 my ($self, $type, @msg) = @_;
2086 2702
2703 if ($self->extcmd == 2) {
2704 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2705 } elsif ($self->extcmd == 1) { # TODO: remove
2087 $msg{msgtype} = "event_$type"; 2706 push @msg, msgtype => "event_$type";
2088 $self->send_packet ("ext " . cf::to_json \%msg); 2707 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2708 }
2709}
2710
2711=item $client->ext_reply ($msgid, @msg)
2712
2713Sends an ext reply to the client.
2714
2715=cut
2716
2717sub cf::client::ext_reply($$@) {
2718 my ($self, $id, @msg) = @_;
2719
2720 if ($self->extcmd == 2) {
2721 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2722 } elsif ($self->extcmd == 1) {
2723 #TODO: version 1, remove
2724 unshift @msg, msgtype => "reply", msgid => $id;
2725 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2726 }
2089} 2727}
2090 2728
2091=item $success = $client->query ($flags, "text", \&cb) 2729=item $success = $client->query ($flags, "text", \&cb)
2092 2730
2093Queues a query to the client, calling the given callback with 2731Queues a query to the client, calling the given callback with
2094the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2732the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2733C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096 2734
2097Queries can fail, so check the return code. Or don't, as queries will become 2735Queries can fail, so check the return code. Or don't, as queries will
2098reliable at some point in the future. 2736become reliable at some point in the future.
2099 2737
2100=cut 2738=cut
2101 2739
2102sub cf::client::query { 2740sub cf::client::query {
2103 my ($self, $flags, $text, $cb) = @_; 2741 my ($self, $flags, $text, $cb) = @_;
2111 utf8::encode $text; 2749 utf8::encode $text;
2112 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2750 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113 2751
2114 $self->send_packet ($self->{query_queue}[0][0]) 2752 $self->send_packet ($self->{query_queue}[0][0])
2115 if @{ $self->{query_queue} } == 1; 2753 if @{ $self->{query_queue} } == 1;
2754
2755 1
2116} 2756}
2117 2757
2118cf::client->attach ( 2758cf::client->attach (
2759 on_connect => sub {
2760 my ($ns) = @_;
2761
2762 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2763 },
2119 on_reply => sub { 2764 on_reply => sub {
2120 my ($ns, $msg) = @_; 2765 my ($ns, $msg) = @_;
2121 2766
2122 # this weird shuffling is so that direct followup queries 2767 # this weird shuffling is so that direct followup queries
2123 # get handled first 2768 # get handled first
2135 } else { 2780 } else {
2136 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2781 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137 } 2782 }
2138 } 2783 }
2139 }, 2784 },
2785 on_exticmd => sub {
2786 my ($ns, $buf) = @_;
2787
2788 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2789
2790 if (ref $msg) {
2791 my ($type, $reply, @payload) =
2792 "ARRAY" eq ref $msg
2793 ? @$msg
2794 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2795
2796 my @reply;
2797
2798 if (my $cb = $EXTICMD{$type}) {
2799 @reply = $cb->($ns, @payload);
2800 }
2801
2802 $ns->ext_reply ($reply, @reply)
2803 if $reply;
2804
2805 } else {
2806 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2807 }
2808
2809 cf::override;
2810 },
2140); 2811);
2141 2812
2142=item $client->async (\&cb) 2813=item $client->async (\&cb)
2143 2814
2144Create a new coroutine, running the specified callback. The coroutine will 2815Create a new coroutine, running the specified callback. The coroutine will
2185our $safe = new Safe "safe"; 2856our $safe = new Safe "safe";
2186our $safe_hole = new Safe::Hole; 2857our $safe_hole = new Safe::Hole;
2187 2858
2188$SIG{FPE} = 'IGNORE'; 2859$SIG{FPE} = 'IGNORE';
2189 2860
2190$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2861$safe->permit_only (Opcode::opset qw(
2862 :base_core :base_mem :base_orig :base_math
2863 grepstart grepwhile mapstart mapwhile
2864 sort time
2865));
2191 2866
2192# here we export the classes and methods available to script code 2867# here we export the classes and methods available to script code
2193 2868
2194=pod 2869=pod
2195 2870
2196The following functions and methods are available within a safe environment: 2871The following functions and methods are available within a safe environment:
2197 2872
2198 cf::object contr pay_amount pay_player map 2873 cf::object
2874 contr pay_amount pay_player map x y force_find force_add
2875 insert remove name archname title slaying race decrease_ob_nr
2876
2199 cf::object::player player 2877 cf::object::player
2200 cf::player peaceful 2878 player
2201 cf::map trigger 2879
2880 cf::player
2881 peaceful
2882
2883 cf::map
2884 trigger
2202 2885
2203=cut 2886=cut
2204 2887
2205for ( 2888for (
2206 ["cf::object" => qw(contr pay_amount pay_player map)], 2889 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2890 insert remove inv name archname title slaying race
2891 decrease_ob_nr)],
2207 ["cf::object::player" => qw(player)], 2892 ["cf::object::player" => qw(player)],
2208 ["cf::player" => qw(peaceful)], 2893 ["cf::player" => qw(peaceful)],
2209 ["cf::map" => qw(trigger)], 2894 ["cf::map" => qw(trigger)],
2210) { 2895) {
2211 no strict 'refs'; 2896 no strict 'refs';
2282=back 2967=back
2283 2968
2284=cut 2969=cut
2285 2970
2286############################################################################# 2971#############################################################################
2287
2288=head2 EXTENSION DATABASE SUPPORT
2289
2290Crossfire maintains a very simple database for extension use. It can
2291currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292convert to/from binary).
2293
2294The parameter C<$family> should best start with the name of the extension
2295using it, it should be unique.
2296
2297=over 4
2298
2299=item $value = cf::db_get $family => $key
2300
2301Returns a single value from the database.
2302
2303=item cf::db_put $family => $key => $value
2304
2305Stores the given C<$value> in the family.
2306
2307=cut
2308
2309our $DB;
2310
2311sub db_init {
2312 unless ($DB) {
2313 $DB = BDB::db_create $DB_ENV;
2314
2315 cf::sync_job {
2316 eval {
2317 $DB->set_flags (BDB::CHKSUM);
2318
2319 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321 cf::cleanup "db_open(db): $!" if $!;
2322 };
2323 cf::cleanup "db_open(db): $@" if $@;
2324 };
2325 }
2326}
2327
2328sub db_get($$) {
2329 my $key = "$_[0]/$_[1]";
2330
2331 cf::sync_job {
2332 BDB::db_get $DB, undef, $key, my $data;
2333
2334 $! ? ()
2335 : $data
2336 }
2337}
2338
2339sub db_put($$$) {
2340 BDB::dbreq_pri 4;
2341 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342}
2343
2344=item cf::cache $id => [$paths...], $processversion => $process
2345
2346Generic caching function that returns the value of the resource $id,
2347caching and regenerating as required.
2348
2349This function can block.
2350
2351=cut
2352
2353sub cache {
2354 my ($id, $src, $processversion, $process) = @_;
2355
2356 my $meta =
2357 join "\x00",
2358 $processversion,
2359 map {
2360 aio_stat $_
2361 and Carp::croak "$_: $!";
2362
2363 ($_, (stat _)[7,9])
2364 } @$src;
2365
2366 my $dbmeta = db_get cache => "$id/meta";
2367 if ($dbmeta ne $meta) {
2368 # changed, we may need to process
2369
2370 my @data;
2371 my $md5;
2372
2373 for (0 .. $#$src) {
2374 0 <= aio_load $src->[$_], $data[$_]
2375 or Carp::croak "$src->[$_]: $!";
2376 }
2377
2378 # if processing is expensive, check
2379 # checksum first
2380 if (1) {
2381 $md5 =
2382 join "\x00",
2383 $processversion,
2384 map {
2385 Coro::cede;
2386 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2387 } 0.. $#$src;
2388
2389
2390 my $dbmd5 = db_get cache => "$id/md5";
2391 if ($dbmd5 eq $md5) {
2392 db_put cache => "$id/meta", $meta;
2393
2394 return db_get cache => "$id/data";
2395 }
2396 }
2397
2398 my $t1 = Time::HiRes::time;
2399 my $data = $process->(\@data);
2400 my $t2 = Time::HiRes::time;
2401
2402 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404 db_put cache => "$id/data", $data;
2405 db_put cache => "$id/md5" , $md5;
2406 db_put cache => "$id/meta", $meta;
2407
2408 return $data;
2409 }
2410
2411 db_get cache => "$id/data"
2412}
2413
2414=item fork_call { }, $args
2415
2416Executes the given code block with the given arguments in a seperate
2417process, returning the results. Everything must be serialisable with
2418Coro::Storable. May, of course, block. Note that the executed sub may
2419never block itself or use any form of Event handling.
2420
2421=cut
2422
2423sub fork_call(&@) {
2424 my ($cb, @args) = @_;
2425
2426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427# or die "socketpair: $!";
2428 pipe my $fh1, my $fh2
2429 or die "pipe: $!";
2430
2431 if (my $pid = fork) {
2432 close $fh2;
2433
2434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435 $res = Coro::Storable::thaw $res;
2436
2437 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439 die $$res unless "ARRAY" eq ref $res;
2440
2441 return wantarray ? @$res : $res->[-1];
2442 } else {
2443 reset_signals;
2444 local $SIG{__WARN__};
2445 local $SIG{__DIE__};
2446 eval {
2447 close $fh1;
2448
2449 my @res = eval { $cb->(@args) };
2450 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451 };
2452
2453 warn $@ if $@;
2454 _exit 0;
2455 }
2456}
2457
2458
2459
2460#############################################################################
2461# the server's init and main functions 2972# the server's init and main functions
2462 2973
2463sub load_facedata($) { 2974sub load_facedata($) {
2464 my ($path) = @_; 2975 my ($path) = @_;
2976
2977 # HACK to clear player env face cache, we need some signal framework
2978 # for this (global event?)
2979 %ext::player_env::MUSIC_FACE_CACHE = ();
2980
2981 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465 2982
2466 warn "loading facedata from $path\n"; 2983 warn "loading facedata from $path\n";
2467 2984
2468 my $facedata; 2985 my $facedata;
2469 0 < aio_load $path, $facedata 2986 0 < aio_load $path, $facedata
2472 $facedata = Coro::Storable::thaw $facedata; 2989 $facedata = Coro::Storable::thaw $facedata;
2473 2990
2474 $facedata->{version} == 2 2991 $facedata->{version} == 2
2475 or cf::cleanup "$path: version mismatch, cannot proceed."; 2992 or cf::cleanup "$path: version mismatch, cannot proceed.";
2476 2993
2994 # patch in the exptable
2995 $facedata->{resource}{"res/exp_table"} = {
2996 type => FT_RSRC,
2997 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2998 };
2999 cf::cede_to_tick;
3000
2477 { 3001 {
2478 my $faces = $facedata->{faceinfo}; 3002 my $faces = $facedata->{faceinfo};
2479 3003
2480 while (my ($face, $info) = each %$faces) { 3004 while (my ($face, $info) = each %$faces) {
2481 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3005 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3006 cf::face::set_visibility $idx, $info->{visibility};
3007 cf::face::set_magicmap $idx, $info->{magicmap};
2483 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3008 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3009 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485 Coro::cede; 3010
3011 cf::cede_to_tick;
2486 } 3012 }
2487 3013
2488 while (my ($face, $info) = each %$faces) { 3014 while (my ($face, $info) = each %$faces) {
2489 next unless $info->{smooth}; 3015 next unless $info->{smooth};
2490 my $idx = cf::face::find $face 3016 my $idx = cf::face::find $face
2491 or next; 3017 or next;
2492 if (my $smooth = cf::face::find $info->{smooth}) { 3018 if (my $smooth = cf::face::find $info->{smooth}) {
3019 cf::face::set_smooth $idx, $smooth;
2493 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3020 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494 } else { 3021 } else {
2495 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3022 warn "smooth face '$info->{smooth}' not found for face '$face'";
2496 } 3023 }
2497 Coro::cede; 3024
3025 cf::cede_to_tick;
2498 } 3026 }
2499 } 3027 }
2500 3028
2501 { 3029 {
2502 my $anims = $facedata->{animinfo}; 3030 my $anims = $facedata->{animinfo};
2503 3031
2504 while (my ($anim, $info) = each %$anims) { 3032 while (my ($anim, $info) = each %$anims) {
2505 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3033 cf::anim::set $anim, $info->{frames}, $info->{facings};
2506 Coro::cede; 3034 cf::cede_to_tick;
2507 } 3035 }
2508 3036
2509 cf::anim::invalidate_all; # d'oh 3037 cf::anim::invalidate_all; # d'oh
2510 } 3038 }
2511 3039
3040 {
3041 # TODO: for gcfclient pleasure, we should give resources
3042 # that gcfclient doesn't grok a >10000 face index.
3043 my $res = $facedata->{resource};
3044
3045 my $soundconf = delete $res->{"res/sound.conf"};
3046
3047 while (my ($name, $info) = each %$res) {
3048 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3049 my $data;
3050
3051 if ($info->{type} & 1) {
3052 # prepend meta info
3053
3054 my $meta = $enc->encode ({
3055 name => $name,
3056 %{ $info->{meta} || {} },
3057 });
3058
3059 $data = pack "(w/a*)*", $meta, $info->{data};
3060 } else {
3061 $data = $info->{data};
3062 }
3063
3064 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3065 cf::face::set_type $idx, $info->{type};
3066
3067 cf::cede_to_tick;
3068 }
3069
3070 if ($soundconf) {
3071 $soundconf = $enc->decode (delete $soundconf->{data});
3072
3073 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3074 my $sound = $soundconf->{compat}[$_]
3075 or next;
3076
3077 my $face = cf::face::find "sound/$sound->[1]";
3078 cf::sound::set $sound->[0] => $face;
3079 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3080 }
3081
3082 while (my ($k, $v) = each %{$soundconf->{event}}) {
3083 my $face = cf::face::find "sound/$v";
3084 cf::sound::set $k => $face;
3085 }
3086 }
3087 }
3088
2512 1 3089 1
2513} 3090}
2514 3091
3092register_exticmd fx_want => sub {
3093 my ($ns, $want) = @_;
3094
3095 while (my ($k, $v) = each %$want) {
3096 $ns->fx_want ($k, $v);
3097 }
3098};
3099
2515sub reload_regions { 3100sub reload_regions {
3101 # HACK to clear player env face cache, we need some signal framework
3102 # for this (global event?)
3103 %ext::player_env::MUSIC_FACE_CACHE = ();
3104
2516 load_resource_file "$MAPDIR/regions" 3105 load_resource_file "$MAPDIR/regions"
2517 or die "unable to load regions file\n"; 3106 or die "unable to load regions file\n";
3107
3108 for (cf::region::list) {
3109 $_->{match} = qr/$_->{match}/
3110 if exists $_->{match};
3111 }
2518} 3112}
2519 3113
2520sub reload_facedata { 3114sub reload_facedata {
2521 load_facedata "$DATADIR/facedata" 3115 load_facedata "$DATADIR/facedata"
2522 or die "unable to load facedata\n"; 3116 or die "unable to load facedata\n";
2523} 3117}
2524 3118
2525sub reload_archetypes { 3119sub reload_archetypes {
2526 load_resource_file "$DATADIR/archetypes" 3120 load_resource_file "$DATADIR/archetypes"
2527 or die "unable to load archetypes\n"; 3121 or die "unable to load archetypes\n";
3122 #d# NEED to laod twice to resolve forward references
3123 # this really needs to be done in an extra post-pass
3124 # (which needs to be synchronous, so solve it differently)
3125 load_resource_file "$DATADIR/archetypes"
3126 or die "unable to load archetypes\n";
2528} 3127}
2529 3128
2530sub reload_treasures { 3129sub reload_treasures {
2531 load_resource_file "$DATADIR/treasures" 3130 load_resource_file "$DATADIR/treasures"
2532 or die "unable to load treasurelists\n"; 3131 or die "unable to load treasurelists\n";
2535sub reload_resources { 3134sub reload_resources {
2536 warn "reloading resource files...\n"; 3135 warn "reloading resource files...\n";
2537 3136
2538 reload_regions; 3137 reload_regions;
2539 reload_facedata; 3138 reload_facedata;
3139 #reload_archetypes;#d#
2540 reload_archetypes; 3140 reload_archetypes;
2541 reload_treasures; 3141 reload_treasures;
2542 3142
2543 warn "finished reloading resource files\n"; 3143 warn "finished reloading resource files\n";
2544} 3144}
2545 3145
2546sub init { 3146sub init {
2547 reload_resources; 3147 reload_resources;
2548} 3148}
2549 3149
2550sub cfg_load { 3150sub reload_config {
2551 open my $fh, "<:utf8", "$CONFDIR/config" 3151 open my $fh, "<:utf8", "$CONFDIR/config"
2552 or return; 3152 or return;
2553 3153
2554 local $/; 3154 local $/;
2555 *CFG = YAML::Syck::Load <$fh>; 3155 *CFG = YAML::Syck::Load <$fh>;
2575 (async { 3175 (async {
2576 Event::one_event; 3176 Event::one_event;
2577 })->prio (Coro::PRIO_MAX); 3177 })->prio (Coro::PRIO_MAX);
2578 }; 3178 };
2579 3179
2580 cfg_load; 3180 reload_config;
2581 db_init; 3181 db_init;
2582 load_extensions; 3182 load_extensions;
2583 3183
2584 $TICK_WATCHER->start; 3184 $TICK_WATCHER->start;
2585 Event::loop; 3185 Event::loop;
2601 }, 3201 },
2602 ); 3202 );
2603 } 3203 }
2604} 3204}
2605 3205
3206sub write_runtime {
3207 my $runtime = "$LOCALDIR/runtime";
3208
3209 # first touch the runtime file to show we are still running:
3210 # the fsync below can take a very very long time.
3211
3212 IO::AIO::aio_utime $runtime, undef, undef;
3213
3214 my $guard = cf::lock_acquire "write_runtime";
3215
3216 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3217 or return;
3218
3219 my $value = $cf::RUNTIME + 90 + 10;
3220 # 10 is the runtime save interval, for a monotonic clock
3221 # 60 allows for the watchdog to kill the server.
3222
3223 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3224 and return;
3225
3226 # always fsync - this file is important
3227 aio_fsync $fh
3228 and return;
3229
3230 # touch it again to show we are up-to-date
3231 aio_utime $fh, undef, undef;
3232
3233 close $fh
3234 or return;
3235
3236 aio_rename "$runtime~", $runtime
3237 and return;
3238
3239 warn "runtime file written.\n";
3240
3241 1
3242}
3243
2606sub emergency_save() { 3244sub emergency_save() {
2607 my $freeze_guard = cf::freeze_mainloop; 3245 my $freeze_guard = cf::freeze_mainloop;
2608 3246
2609 warn "enter emergency perl save\n"; 3247 warn "enter emergency perl save\n";
2610 3248
2685 %EXT_CORO = (); 3323 %EXT_CORO = ();
2686 3324
2687 warn "removing commands"; 3325 warn "removing commands";
2688 %COMMAND = (); 3326 %COMMAND = ();
2689 3327
2690 warn "removing ext commands"; 3328 warn "removing ext/exti commands";
2691 %EXTCMD = (); 3329 %EXTCMD = ();
3330 %EXTICMD = ();
2692 3331
2693 warn "unloading/nuking all extensions"; 3332 warn "unloading/nuking all extensions";
2694 for my $pkg (@EXTS) { 3333 for my $pkg (@EXTS) {
2695 warn "... unloading $pkg"; 3334 warn "... unloading $pkg";
2696 3335
2739 warn "reloading cf.pm"; 3378 warn "reloading cf.pm";
2740 require cf; 3379 require cf;
2741 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3380 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742 3381
2743 warn "loading config and database again"; 3382 warn "loading config and database again";
2744 cf::cfg_load; 3383 cf::reload_config;
2745 3384
2746 warn "loading extensions"; 3385 warn "loading extensions";
2747 cf::load_extensions; 3386 cf::load_extensions;
2748 3387
2749 warn "reattaching attachments to objects/players"; 3388 warn "reattaching attachments to objects/players";
2813 3452
2814 my $signal = new Coro::Signal; 3453 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal; 3454 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait; 3455 $signal->wait;
2817} 3456}
3457
3458our $stat_fh;
3459sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2818 3460
2819$TICK_WATCHER = Event->timer ( 3461$TICK_WATCHER = Event->timer (
2820 reentrant => 0, 3462 reentrant => 0,
2821 parked => 1, 3463 parked => 1,
2822 prio => 0, 3464 prio => 0,
2827 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3469 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828 unless ++$bug_warning > 10; 3470 unless ++$bug_warning > 10;
2829 return; 3471 return;
2830 } 3472 }
2831 3473
3474 my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3475
2832 $NOW = Event::time; 3476 $NOW = $tick_start = Event::time;
2833 3477
2834 cf::server_tick; # one server iteration 3478 cf::server_tick; # one server iteration
2835 3479
2836 $RUNTIME += $TICK; 3480 $RUNTIME += $TICK;
2837 $NEXT_TICK += $TICK; 3481 $NEXT_TICK += $TICK;
2845 } 3489 }
2846 3490
2847# my $AFTER = Event::time; 3491# my $AFTER = Event::time;
2848# warn $AFTER - $NOW;#d# 3492# warn $AFTER - $NOW;#d#
2849 3493
3494 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3495 $sig->send;
3496 }
3497 while (my $sig = shift @WAIT_FOR_TICK) {
3498 $sig->send;
3499 }
3500
3501 $NOW = Event::time;
3502
2850 # if we are delayed by four ticks or more, skip them all 3503 # if we are delayed by four ticks or more, skip them all
2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3504 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852 3505
2853 $TICK_WATCHER->at ($NEXT_TICK); 3506 $TICK_WATCHER->at ($NEXT_TICK);
2854 $TICK_WATCHER->start; 3507 $TICK_WATCHER->start;
2855 3508
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3509 $LOAD = ($NOW - $tick_start) / $TICK;
2857 $sig->send; 3510 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858 }
2859 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send;
2861 }
2862 3511
2863 _post_tick; 3512 _post_tick;
3513
3514 # gather some statistics#d#
3515 $stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
3516 IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2864 }, 3517 },
2865); 3518);
2866 3519
2867{ 3520{
3521 BDB::min_parallel 8;
2868 BDB::max_poll_time $TICK * 0.1; 3522 BDB::max_poll_time $TICK * 0.1;
2869 $BDB_POLL_WATCHER = Event->io ( 3523 $BDB_POLL_WATCHER = Event->io (
2870 reentrant => 0, 3524 reentrant => 0,
2871 fd => BDB::poll_fileno, 3525 fd => BDB::poll_fileno,
2872 poll => 'r', 3526 poll => 'r',
2873 prio => 0, 3527 prio => 0,
2874 data => WF_AUTOCANCEL, 3528 data => WF_AUTOCANCEL,
2875 cb => \&BDB::poll_cb, 3529 cb => \&BDB::poll_cb,
2876 ); 3530 );
2877 BDB::min_parallel 8;
2878 3531
2879 BDB::set_sync_prepare { 3532 BDB::set_sync_prepare {
2880 my $status; 3533 my $status;
2881 my $current = $Coro::current; 3534 my $current = $Coro::current;
2882 ( 3535 (
2903 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3556 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904 0666; 3557 0666;
2905 3558
2906 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3559 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907 3560
2908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3561 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3562 | BDB::LOG_AUTOREMOVE, 1);
2909 $DB_ENV->set_lk_detect; 3563 $DB_ENV->set_lk_detect;
2910 }; 3564 };
2911 3565
2912 cf::cleanup "db_env_open(db): $@" if $@; 3566 cf::cleanup "db_env_open(db): $@" if $@;
2913 }; 3567 };
2914 } 3568 }
3569
3570 $BDB_CHECKPOINT_WATCHER = Event->timer (
3571 after => 11,
3572 interval => 60,
3573 hard => 1,
3574 prio => 0,
3575 data => WF_AUTOCANCEL,
3576 cb => sub {
3577 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3578 },
3579 );
3580 $BDB_TRICKLE_WATCHER = Event->timer (
3581 after => 5,
3582 interval => 10,
3583 hard => 1,
3584 prio => 0,
3585 data => WF_AUTOCANCEL,
3586 cb => sub {
3587 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3588 },
3589 );
2915} 3590}
2916 3591
2917{ 3592{
2918 IO::AIO::min_parallel 8; 3593 IO::AIO::min_parallel 8;
2919 3594

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