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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.401 by root, Mon Dec 17 06:45:53 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable; 9use EV;
10use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.61 (); 15use Coro 4.32 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::EV;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
23use Coro::Storable; 24use Coro::Storable;
25use Coro::Util ();
24 26
27use JSON::XS 2.01 ();
25use BDB (); 28use BDB ();
26use Data::Dumper; 29use Data::Dumper;
27use Digest::MD5; 30use Digest::MD5;
28use Fcntl; 31use Fcntl;
29use YAML::Syck (); 32use YAML::Syck ();
30use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
31use Time::HiRes; 34use Time::HiRes;
32use Compress::LZF; 35use Compress::LZF;
36use Digest::MD5 ();
33 37
34# configure various modules to our taste 38# configure various modules to our taste
35# 39#
36$Storable::canonical = 1; # reduce rsync transfers 40$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 43
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
44 46
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 48
49our %COMMAND = (); 51our %COMMAND = ();
50our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
51 53
52our @EXTS = (); # list of extension package names 54our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 57our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 58our %EXT_MAP = (); # pluggable maps
56 59
57our $RELOAD; # number of reloads so far 60our $RELOAD; # number of reloads so far
58our @EVENT; 61our @EVENT;
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER; 76our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 77our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 79our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 80our $USE_FSYNC = 1; # use fsync to write maps - default off
79 81
80our $BDB_POLL_WATCHER; 82our $BDB_POLL_WATCHER;
83our $BDB_DEADLOCK_WATCHER;
84our $BDB_CHECKPOINT_WATCHER;
85our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 86our $DB_ENV;
82 87
83our %CFG; 88our %CFG;
84 89
85our $UPTIME; $UPTIME ||= time; 90our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 91our $RUNTIME;
92our $NOW;
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/deliantra-server/config>, or
147from wherever your confdir points to. 167from wherever your confdir points to.
148 168
149=item cf::wait_for_tick, cf::wait_for_tick_begin 169=item cf::wait_for_tick, cf::wait_for_tick_begin
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 $pkg (qw(
183 cf::global cf::attachable 209 cf::global cf::attachable
188)) { 214)) {
189 no strict 'refs'; 215 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 216 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 217}
192 218
193$Event::DIED = sub { 219$EV::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::decode_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::encode_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 $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263
264sub encode_json($) { $json_coder->encode ($_[0]) }
265sub decode_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::periodic $interval, $cb
341
342Like EV::periodic, but randomly selects a starting point so that the actions
343get spread over timer.
344
345=cut
346
347sub periodic($$) {
348 my ($interval, $cb) = @_;
349
350 my $start = rand List::Util::min 180, $interval;
351
352 EV::periodic $start, $interval, 0, $cb
353}
354
355=item cf::get_slot $time[, $priority[, $name]]
356
357Allocate $time seconds of blocking CPU time at priority C<$priority>:
358This call blocks and returns only when you have at least C<$time> seconds
359of cpu time till the next tick. The slot is only valid till the next cede.
360
361The optional C<$name> can be used to identify the job to run. It might be
362used for statistical purposes and should identify the same time-class.
363
364Useful for short background jobs.
365
366=cut
367
368our @SLOT_QUEUE;
369our $SLOT_QUEUE;
370
371$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372$SLOT_QUEUE = Coro::async {
373 $Coro::current->desc ("timeslot manager");
374
375 my $signal = new Coro::Signal;
376
377 while () {
378 next_job:
379 my $avail = cf::till_tick;
380 if ($avail > 0.01) {
381 for (0 .. $#SLOT_QUEUE) {
382 if ($SLOT_QUEUE[$_][0] < $avail) {
383 my $job = splice @SLOT_QUEUE, $_, 1, ();
384 $job->[2]->send;
385 Coro::cede;
386 goto next_job;
387 }
388 }
389 }
390
391 if (@SLOT_QUEUE) {
392 # we do not use wait_for_tick() as it returns immediately when tick is inactive
393 push @cf::WAIT_FOR_TICK, $signal;
394 $signal->wait;
395 } else {
396 Coro::schedule;
397 }
398 }
399};
400
401sub get_slot($;$$) {
402 my ($time, $pri, $name) = @_;
403
404 $time = $TICK * .6 if $time > $TICK * .6;
405 my $sig = new Coro::Signal;
406
407 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409 $SLOT_QUEUE->ready;
410 $sig->wait;
411}
412
296=item cf::async { BLOCK } 413=item cf::async { BLOCK }
297 414
298Currently the same as Coro::async_pool, meaning you cannot use 415Currently the same as Coro::async_pool, meaning you cannot use
299C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 416C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300thing you are allowed to do is call C<prio> on it. 417thing you are allowed to do is call C<prio> on it.
303 420
304BEGIN { *async = \&Coro::async_pool } 421BEGIN { *async = \&Coro::async_pool }
305 422
306=item cf::sync_job { BLOCK } 423=item cf::sync_job { BLOCK }
307 424
308The design of crossfire+ requires that the main coro ($Coro::main) is 425The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 426is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 427partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
428acceptable.
311 429
312If it must be done, put the blocking parts into C<sync_job>. This will run 430If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 431the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 432server will be frozen during this time, so the block should either finish
315fast or be very important. 433fast or be very important.
318 436
319sub sync_job(&) { 437sub sync_job(&) {
320 my ($job) = @_; 438 my ($job) = @_;
321 439
322 if ($Coro::current == $Coro::main) { 440 if ($Coro::current == $Coro::main) {
441 my $time = EV::time;
442
323 # this is the main coro, too bad, we have to block 443 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 444 # till the operation succeeds, freezing the server :/
325 445
446 LOG llevError, Carp::longmess "sync job";#d#
447
326 # TODO: use suspend/resume instead 448 # TODO: use suspend/resume instead
327 # (but this is cancel-safe) 449 # (but this is cancel-safe)
328 my $freeze_guard = freeze_mainloop; 450 my $freeze_guard = freeze_mainloop;
329 451
330 my $busy = 1; 452 my $busy = 1;
331 my @res; 453 my @res;
332 454
333 (async { 455 (async {
456 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 457 @res = eval { $job->() };
335 warn $@ if $@; 458 warn $@ if $@;
336 undef $busy; 459 undef $busy;
337 })->prio (Coro::PRIO_MAX); 460 })->prio (Coro::PRIO_MAX);
338 461
339 while ($busy) { 462 while ($busy) {
340 Coro::cede or Event::one_event; 463 if (Coro::nready) {
464 Coro::cede_notself;
465 } else {
466 EV::loop EV::LOOP_ONESHOT;
341 } 467 }
468 }
469
470 $time = EV::time - $time;
471
472 LOG llevError | logBacktrace, Carp::longmess "long sync job"
473 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475 $tick_start += $time; # do not account sync jobs to server load
342 476
343 wantarray ? @res : $res[0] 477 wantarray ? @res : $res[0]
344 } else { 478 } else {
345 # we are in another coroutine, how wonderful, everything just works 479 # we are in another coroutine, how wonderful, everything just works
346 480
366 $EXT_CORO{$coro+0} = $coro; 500 $EXT_CORO{$coro+0} = $coro;
367 501
368 $coro 502 $coro
369} 503}
370 504
371sub write_runtime { 505=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 506
374 my $runtime = "$LOCALDIR/runtime"; 507Executes the given code block with the given arguments in a seperate
508process, returning the results. Everything must be serialisable with
509Coro::Storable. May, of course, block. Note that the executed sub may
510never block itself or use any form of event handling.
375 511
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 512=cut
377 or return;
378 513
379 my $value = $cf::RUNTIME + 90 + 10; 514sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 515 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 516
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 517 # we seemingly have to make a local copy of the whole thing,
384 and return; 518 # otherwise perl prematurely frees the stuff :/
519 # TODO: investigate and fix (likely this will be rather laborious)
385 520
386 # always fsync - this file is important 521 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 522 reset_signals;
388 and return; 523 &$cb
524 }, @args;
389 525
390 close $fh 526 wantarray ? @res : $res[-1]
391 or return; 527}
392 528
393 aio_rename "$runtime~", $runtime 529=item $value = cf::db_get $family => $key
394 and return;
395 530
531Returns a single value from the environment database.
532
533=item cf::db_put $family => $key => $value
534
535Stores the given C<$value> in the family. It can currently store binary
536data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
537
538=item $db = cf::db_table "name"
539
540Create and/or open a new database table. The string must not be "db" and must be unique
541within each server.
542
543=cut
544
545sub db_table($) {
546 my ($name) = @_;
547 my $db = BDB::db_create $DB_ENV;
548
549 eval {
550 $db->set_flags (BDB::CHKSUM);
551
552 utf8::encode $name;
553 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
554 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
555 cf::cleanup "db_open(db): $!" if $!;
556 };
557 cf::cleanup "db_open(db): $@" if $@;
558
559 $db
560}
561
562our $DB;
563
564sub db_init {
565 cf::sync_job {
566 $DB ||= db_table "db";
567 };
568}
569
570sub db_get($$) {
571 my $key = "$_[0]/$_[1]";
572
573 cf::sync_job {
574 BDB::db_get $DB, undef, $key, my $data;
575
576 $! ? ()
577 : $data
396 1 578 }
579}
580
581sub db_put($$$) {
582 BDB::dbreq_pri 4;
583 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
584}
585
586=item cf::cache $id => [$paths...], $processversion => $process
587
588Generic caching function that returns the value of the resource $id,
589caching and regenerating as required.
590
591This function can block.
592
593=cut
594
595sub cache {
596 my ($id, $src, $processversion, $process) = @_;
597
598 my $meta =
599 join "\x00",
600 $processversion,
601 map {
602 aio_stat $_
603 and Carp::croak "$_: $!";
604
605 ($_, (stat _)[7,9])
606 } @$src;
607
608 my $dbmeta = db_get cache => "$id/meta";
609 if ($dbmeta ne $meta) {
610 # changed, we may need to process
611
612 my @data;
613 my $md5;
614
615 for (0 .. $#$src) {
616 0 <= aio_load $src->[$_], $data[$_]
617 or Carp::croak "$src->[$_]: $!";
618 }
619
620 # if processing is expensive, check
621 # checksum first
622 if (1) {
623 $md5 =
624 join "\x00",
625 $processversion,
626 map {
627 cf::cede_to_tick;
628 ($src->[$_], Digest::MD5::md5_hex $data[$_])
629 } 0.. $#$src;
630
631
632 my $dbmd5 = db_get cache => "$id/md5";
633 if ($dbmd5 eq $md5) {
634 db_put cache => "$id/meta", $meta;
635
636 return db_get cache => "$id/data";
637 }
638 }
639
640 my $t1 = Time::HiRes::time;
641 my $data = $process->(\@data);
642 my $t2 = Time::HiRes::time;
643
644 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
645
646 db_put cache => "$id/data", $data;
647 db_put cache => "$id/md5" , $md5;
648 db_put cache => "$id/meta", $meta;
649
650 return $data;
651 }
652
653 db_get cache => "$id/data"
397} 654}
398 655
399=item cf::datalog type => key => value, ... 656=item cf::datalog type => key => value, ...
400 657
401Log a datalog packet of the given type with the given key-value pairs. 658Log a datalog packet of the given type with the given key-value pairs.
419attach callbacks/event handlers (a collection of which is called an "attachment") 676attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 677to it. All such attachable objects support the following methods.
421 678
422In the following description, CLASS can be any of C<global>, C<object> 679In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 680C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 681Deliantra).
425 682
426=over 4 683=over 4
427 684
428=item $attachable->attach ($attachment, key => $value...) 685=item $attachable->attach ($attachment, key => $value...)
429 686
592 $registry = $CB_TYPE[$object_type] ||= []; 849 $registry = $CB_TYPE[$object_type] ||= [];
593 850
594 } elsif ($type eq "subtype") { 851 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 852 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 853 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 854 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 855
599 } elsif ($type eq "package") { 856 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 857 my $pkg = shift @arg;
601 858
602 while (my ($name, $id) = each %cb_id) { 859 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 888 _attach $registry, $klass, @attach;
632 } 889 }
633 890
634 $obj->{$name} = \%arg; 891 $obj->{$name} = \%arg;
635 } else { 892 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 893 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 894 }
638 895
639 $obj->{_attachment}{$name} = undef; 896 $obj->{_attachment}{$name} = undef;
640} 897}
641 898
643 if (ref $_[0]) { 900 if (ref $_[0]) {
644 _object_attach @_; 901 _object_attach @_;
645 } else { 902 } else {
646 _attach shift->_attach_registry, @_; 903 _attach shift->_attach_registry, @_;
647 } 904 }
905 _recalc_want;
648}; 906};
649 907
650# all those should be optimised 908# all those should be optimised
651sub cf::attachable::detach { 909sub cf::attachable::detach {
652 my ($obj, $name) = @_; 910 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 913 delete $obj->{_attachment}{$name};
656 reattach ($obj); 914 reattach ($obj);
657 } else { 915 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 916 Carp::croak "cannot, currently, detach class attachments";
659 } 917 }
918 _recalc_want;
660}; 919};
661 920
662sub cf::attachable::attached { 921sub cf::attachable::attached {
663 my ($obj, $name) = @_; 922 my ($obj, $name) = @_;
664 923
679 "; 938 ";
680 die if $@; 939 die if $@;
681} 940}
682 941
683our $override; 942our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 943our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 944
686sub override { 945sub override {
687 $override = 1; 946 $override = 1;
688 @invoke_results = (); 947 @INVOKE_RESULTS = (@_);
689} 948}
690 949
691sub do_invoke { 950sub do_invoke {
692 my $event = shift; 951 my $event = shift;
693 my $callbacks = shift; 952 my $callbacks = shift;
694 953
695 @invoke_results = (); 954 @INVOKE_RESULTS = ();
696 955
697 local $override; 956 local $override;
698 957
699 for (@$callbacks) { 958 for (@$callbacks) {
700 eval { &{$_->[1]} }; 959 eval { &{$_->[1]} };
717 976
718Generate an object-specific event with the given arguments. 977Generate an object-specific event with the given arguments.
719 978
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 979This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 980removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 981results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 982
724=back 983=back
725 984
726=cut 985=cut
727 986
728############################################################################# 987#############################################################################
729# object support 988# object support
989
990sub _object_equal($$);
991sub _object_equal($$) {
992 my ($a, $b) = @_;
993
994 return 0 unless (ref $a) eq (ref $b);
995
996 if ("HASH" eq ref $a) {
997 my @ka = keys %$a;
998 my @kb = keys %$b;
999
1000 return 0 if @ka != @kb;
1001
1002 for (0 .. $#ka) {
1003 return 0 unless $ka[$_] eq $kb[$_];
1004 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1005 }
1006
1007 } elsif ("ARRAY" eq ref $a) {
1008
1009 return 0 if @$a != @$b;
1010
1011 for (0 .. $#$a) {
1012 return 0 unless _object_equal $a->[$_], $b->[$_];
1013 }
1014
1015 } elsif ($a ne $b) {
1016 return 0;
1017 }
1018
1019 1
1020}
1021
1022our $SLOW_MERGES;#d#
1023sub _can_merge {
1024 my ($ob1, $ob2) = @_;
1025
1026 ++$SLOW_MERGES;#d#
1027
1028 # we do the slow way here
1029 return _object_equal $ob1, $ob2
1030}
730 1031
731sub reattach { 1032sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1033 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1034 my ($obj) = @_;
734 1035
755cf::attachable->attach ( 1056cf::attachable->attach (
756 prio => -1000000, 1057 prio => -1000000,
757 on_instantiate => sub { 1058 on_instantiate => sub {
758 my ($obj, $data) = @_; 1059 my ($obj, $data) = @_;
759 1060
760 $data = from_json $data; 1061 $data = decode_json $data;
761 1062
762 for (@$data) { 1063 for (@$data) {
763 my ($name, $args) = @$_; 1064 my ($name, $args) = @$_;
764 1065
765 $obj->attach ($name, %{$args || {} }); 1066 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1082sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1083 my ($filename, $rdata, $objs) = @_;
783 1084
784 sync_job { 1085 sync_job {
785 if (length $$rdata) { 1086 if (length $$rdata) {
1087 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1088 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1089 $decname, length $$rdata, scalar @$objs;
788 1090
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1091 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1092 chmod SAVE_MODE, $fh;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1093 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1094 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1095 close $fh;
794 1096
795 if (@$objs) { 1097 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1098 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1099 chmod SAVE_MODE, $fh;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1100 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1101 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1102 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1103 close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1104 aio_rename "$filename.pst~", "$filename.pst";
803 } 1105 }
811 } 1113 }
812 } else { 1114 } else {
813 aio_unlink $filename; 1115 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1116 aio_unlink "$filename.pst";
815 } 1117 }
816 } 1118 };
817} 1119}
818 1120
819sub object_freezer_as_string { 1121sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1122 my ($rdata, $objs) = @_;
821 1123
833 or return; 1135 or return;
834 1136
835 unless (aio_stat "$filename.pst") { 1137 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1138 (aio_load "$filename.pst", $av) >= 0
837 or return; 1139 or return;
1140
838 $av = eval { (Storable::thaw $av)->{objs} }; 1141 my $st = eval { Coro::Storable::thaw $av };
1142 $av = $st->{objs};
839 } 1143 }
840 1144
1145 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1146 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1147 $decname, length $data, scalar @{$av || []};
1148
843 return ($data, $av); 1149 ($data, $av)
844} 1150}
1151
1152=head2 COMMAND CALLBACKS
1153
1154=over 4
1155
1156=cut
845 1157
846############################################################################# 1158#############################################################################
847# command handling &c 1159# command handling &c
848 1160
849=item cf::register_command $name => \&callback($ob,$args); 1161=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1174 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1175}
864 1176
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1177=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1178
867Register a callbackf ro execution when the client sends an extcmd packet. 1179Register a callback for execution when the client sends an (synchronous)
1180extcmd packet. Ext commands will be processed in the order they are
1181received by the server, like other user commands. The first argument is
1182the logged-in player. Ext commands can only be processed after a player
1183has logged in successfully.
868 1184
869If the callback returns something, it is sent back as if reply was being 1185If the callback returns something, it is sent back as if reply was being
870called. 1186called.
871 1187
1188=item cf::register_exticmd $name => \&callback($ns,$packet);
1189
1190Register a callback for execution when the client sends an (asynchronous)
1191exticmd packet. Exti commands are processed by the server as soon as they
1192are received, i.e. out of order w.r.t. other commands. The first argument
1193is a client socket. Exti commands can be received anytime, even before
1194log-in.
1195
1196If the callback returns something, it is sent back as if reply was being
1197called.
1198
872=cut 1199=cut
873 1200
874sub register_extcmd { 1201sub register_extcmd {
875 my ($name, $cb) = @_; 1202 my ($name, $cb) = @_;
876 1203
877 $EXTCMD{$name} = $cb; 1204 $EXTCMD{$name} = $cb;
1205}
1206
1207sub register_exticmd {
1208 my ($name, $cb) = @_;
1209
1210 $EXTICMD{$name} = $cb;
878} 1211}
879 1212
880cf::player->attach ( 1213cf::player->attach (
881 on_command => sub { 1214 on_command => sub {
882 my ($pl, $name, $params) = @_; 1215 my ($pl, $name, $params) = @_;
891 cf::override; 1224 cf::override;
892 }, 1225 },
893 on_extcmd => sub { 1226 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1227 my ($pl, $buf) = @_;
895 1228
896 my $msg = eval { from_json $buf }; 1229 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1230
898 if (ref $msg) { 1231 if (ref $msg) {
1232 my ($type, $reply, @payload) =
1233 "ARRAY" eq ref $msg
1234 ? @$msg
1235 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1236
1237 my @reply;
1238
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1239 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1240 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1241 }
1242
1243 $pl->ext_reply ($reply, @reply)
1244 if $reply;
1245
904 } else { 1246 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1247 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1248 }
907 1249
908 cf::override; 1250 cf::override;
909 }, 1251 },
910); 1252);
911 1253
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1254sub load_extensions {
1255 cf::sync_job {
1256 my %todo;
1257
947 for my $ext (<$LIBDIR/*.ext>) { 1258 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1259 next unless -r $path;
949 eval { 1260
950 load_extension $ext; 1261 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1262 my $base = $1;
1263 my $pkg = $1;
1264 $pkg =~ s/[^[:word:]]/_/g;
1265 $pkg = "ext::$pkg";
1266
1267 open my $fh, "<:utf8", $path
1268 or die "$path: $!";
1269
1270 my $source = do { local $/; <$fh> };
1271
1272 my %ext = (
1273 path => $path,
1274 base => $base,
1275 pkg => $pkg,
1276 );
1277
1278 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280
1281 $ext{source} =
1282 "package $pkg; use strict; use utf8;\n"
1283 . "#line 1 \"$path\"\n{\n"
1284 . $source
1285 . "\n};\n1";
1286
1287 $todo{$base} = \%ext;
1288 }
1289
1290 my %done;
1291 while (%todo) {
1292 my $progress;
1293
1294 while (my ($k, $v) = each %todo) {
1295 for (split /,\s*/, $v->{meta}{depends}) {
1296 goto skip
1297 unless exists $done{$_};
1298 }
1299
1300 warn "... loading '$k' into '$v->{pkg}'\n";
1301
1302 unless (eval $v->{source}) {
1303 my $msg = $@ ? "$v->{path}: $@\n"
1304 : "$v->{base}: extension inactive.\n";
1305
1306 if (exists $v->{meta}{mandatory}) {
1307 warn $msg;
1308 warn "mandatory extension failed to load, exiting.\n";
1309 exit 1;
1310 }
1311
1312 warn $msg;
1313 }
1314
1315 $done{$k} = delete $todo{$k};
1316 push @EXTS, $v->{pkg};
1317 $progress = 1;
951 1 1318 }
952 } or warn "$ext not loaded: $@"; 1319
1320 skip:
1321 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1322 unless $progress;
1323 }
953 } 1324 };
954} 1325}
955 1326
956############################################################################# 1327#############################################################################
957 1328
1329=back
1330
958=head2 CORE EXTENSIONS 1331=head2 CORE EXTENSIONS
959 1332
960Functions and methods that extend core crossfire objects. 1333Functions and methods that extend core crossfire objects.
961 1334
962=cut 1335=cut
966use Coro::AIO; 1339use Coro::AIO;
967 1340
968=head3 cf::player 1341=head3 cf::player
969 1342
970=over 4 1343=over 4
1344
1345=item cf::player::num_playing
1346
1347Returns the official number of playing players, as per the Crossfire metaserver rules.
1348
1349=cut
1350
1351sub num_playing {
1352 scalar grep
1353 $_->ob->map
1354 && !$_->hidden
1355 && !$_->ob->flag (cf::FLAG_WIZ),
1356 cf::player::list
1357}
971 1358
972=item cf::player::find $login 1359=item cf::player::find $login
973 1360
974Returns the given player object, loading it if necessary (might block). 1361Returns the given player object, loading it if necessary (might block).
975 1362
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1398 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1399 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1400 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1401 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1402
1016 my $pl = load_pl path $login 1403 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1404 or return;
1405
1406 my $pl = cf::player::load_pl $f
1407 or return;
1408 local $cf::PLAYER_LOADING{$login} = $pl;
1409 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1410 $cf::PLAYER{$login} = $pl
1019 } 1411 }
1020 } 1412 }
1021} 1413}
1022 1414
1032 1424
1033 aio_mkdir playerdir $pl, 0770; 1425 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1426 $pl->{last_save} = $cf::RUNTIME;
1035 1427
1036 $pl->save_pl ($path); 1428 $pl->save_pl ($path);
1037 Coro::cede; 1429 cf::cede_to_tick;
1038} 1430}
1039 1431
1040sub new($) { 1432sub new($) {
1041 my ($login) = @_; 1433 my ($login) = @_;
1042 1434
1046 $self->{deny_save} = 1; 1438 $self->{deny_save} = 1;
1047 1439
1048 $cf::PLAYER{$login} = $self; 1440 $cf::PLAYER{$login} = $self;
1049 1441
1050 $self 1442 $self
1443}
1444
1445=item $player->send_msg ($channel, $msg, $color, [extra...])
1446
1447=cut
1448
1449sub send_msg {
1450 my $ns = shift->ns
1451 or return;
1452 $ns->send_msg (@_);
1051} 1453}
1052 1454
1053=item $pl->quit_character 1455=item $pl->quit_character
1054 1456
1055Nukes the player without looking back. If logged in, the connection will 1457Nukes the player without looking back. If logged in, the connection will
1110 or return []; 1512 or return [];
1111 1513
1112 my @logins; 1514 my @logins;
1113 1515
1114 for my $login (@$dirs) { 1516 for my $login (@$dirs) {
1517 my $path = path $login;
1518
1519 # a .pst is a dead give-away for a valid player
1520 unless (-e "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1521 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1522 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1523 $buf !~ /^password -------------$/m or next; # official not-valid tag
1524 }
1118 1525
1119 utf8::decode $login; 1526 utf8::decode $login;
1120 push @logins, $login; 1527 push @logins, $login;
1121 } 1528 }
1122 1529
1149 } 1556 }
1150 1557
1151 \@paths 1558 \@paths
1152} 1559}
1153 1560
1561=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1562
1563Expand crossfire pod fragments into protocol xml.
1564
1565=cut
1566
1567use re 'eval';
1568
1569my $group;
1570my $interior; $interior = qr{
1571 # match a pod interior sequence sans C<< >>
1572 (?:
1573 \ (.*?)\ (?{ $group = $^N })
1574 | < (??{$interior}) >
1575 )
1576}x;
1577
1578sub expand_cfpod {
1579 my ($self, $pod) = @_;
1580
1581 my $xml;
1582
1583 while () {
1584 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585 $group = $1;
1586
1587 $group =~ s/&/&amp;/g;
1588 $group =~ s/</&lt;/g;
1589
1590 $xml .= $group;
1591 } elsif ($pod =~ m%\G
1592 ([BCGHITU])
1593 <
1594 (?:
1595 ([^<>]*) (?{ $group = $^N })
1596 | < $interior >
1597 )
1598 >
1599 %gcsx
1600 ) {
1601 my ($code, $data) = ($1, $group);
1602
1603 if ($code eq "B") {
1604 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605 } elsif ($code eq "I") {
1606 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607 } elsif ($code eq "U") {
1608 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609 } elsif ($code eq "C") {
1610 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611 } elsif ($code eq "T") {
1612 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613 } elsif ($code eq "G") {
1614 my ($male, $female) = split /\|/, $data;
1615 $data = $self->gender ? $female : $male;
1616 $xml .= expand_cfpod ($self, $data);
1617 } elsif ($code eq "H") {
1618 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620 "")
1621 [$self->{hintmode}];
1622 } else {
1623 $xml .= "error processing '$code($data)' directive";
1624 }
1625 } else {
1626 if ($pod =~ /\G(.+)/) {
1627 warn "parse error while expanding $pod (at $1)";
1628 }
1629 last;
1630 }
1631 }
1632
1633 for ($xml) {
1634 # create single paragraphs (very hackish)
1635 s/(?<=\S)\n(?=\w)/ /g;
1636
1637 # compress some whitespace
1638 s/\s+\n/\n/g; # ws line-ends
1639 s/\n\n+/\n/g; # double lines
1640 s/^\n+//; # beginning lines
1641 s/\n+$//; # ending lines
1642 }
1643
1644 $xml
1645}
1646
1647no re 'eval';
1648
1649sub hintmode {
1650 $_[0]{hintmode} = $_[1] if @_ > 1;
1651 $_[0]{hintmode}
1652}
1653
1154=item $player->ext_reply ($msgid, %msg) 1654=item $player->ext_reply ($msgid, @msg)
1155 1655
1156Sends an ext reply to the player. 1656Sends an ext reply to the player.
1157 1657
1158=cut 1658=cut
1159 1659
1160sub ext_reply($$%) { 1660sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1661 my ($self, $id, @msg) = @_;
1162 1662
1163 $msg{msgid} = $id; 1663 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1664}
1167 1665
1168=item $player->ext_event ($type, %msg) 1666=item $player->ext_msg ($type, @msg)
1169 1667
1170Sends an ext event to the client. 1668Sends an ext event to the client.
1171 1669
1172=cut 1670=cut
1173 1671
1174sub ext_event($$%) { 1672sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1673 my ($self, $type, @msg) = @_;
1176 1674
1177 $self->ns->ext_event ($type, %msg); 1675 $self->ns->ext_msg ($type, @msg);
1178} 1676}
1179 1677
1180=head3 cf::region 1678=head3 cf::region
1181 1679
1182=over 4 1680=over 4
1185 1683
1186package cf::region; 1684package cf::region;
1187 1685
1188=item cf::region::find_by_path $path 1686=item cf::region::find_by_path $path
1189 1687
1190Tries to decuce the probable region for a map knowing only its path. 1688Tries to decuce the likely region for a map knowing only its path.
1191 1689
1192=cut 1690=cut
1193 1691
1194sub find_by_path($) { 1692sub find_by_path($) {
1195 my ($path) = @_; 1693 my ($path) = @_;
1196 1694
1197 my ($match, $specificity); 1695 my ($match, $specificity);
1198 1696
1199 for my $region (list) { 1697 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1698 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1699 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1700 if $region->specificity > $specificity;
1203 } 1701 }
1204 } 1702 }
1205 1703
1269 my ($self, $merge) = @_; 1767 my ($self, $merge) = @_;
1270 1768
1271 # we have to keep some variables in memory intact 1769 # we have to keep some variables in memory intact
1272 local $self->{path}; 1770 local $self->{path};
1273 local $self->{load_path}; 1771 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1772
1277 $self->SUPER::thawer_merge ($merge); 1773 $self->SUPER::thawer_merge ($merge);
1278} 1774}
1279 1775
1280sub normalise { 1776sub normalise {
1327 $self->init; # pass $1 etc. 1823 $self->init; # pass $1 etc.
1328 return $self; 1824 return $self;
1329 } 1825 }
1330 } 1826 }
1331 1827
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1828 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1829 ()
1334} 1830}
1335 1831
1336sub init { 1832sub init {
1337 my ($self) = @_; 1833 my ($self) = @_;
1380 1876
1381 $_->change_map_light ($change) 1877 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1878 for grep $_->outdoor, values %cf::MAP;
1383} 1879}
1384 1880
1881sub decay_objects {
1882 my ($self) = @_;
1883
1884 return if $self->{deny_reset};
1885
1886 $self->do_decay_objects;
1887}
1888
1385sub unlink_save { 1889sub unlink_save {
1386 my ($self) = @_; 1890 my ($self) = @_;
1387 1891
1388 utf8::encode (my $save = $self->save_path); 1892 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1893 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1896
1393sub load_header_from($) { 1897sub load_header_from($) {
1394 my ($self, $path) = @_; 1898 my ($self, $path) = @_;
1395 1899
1396 utf8::encode $path; 1900 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1902 or return;
1903
1904 $self->_load_header ($f)
1905 or return;
1906
1907 local $MAP_LOADING{$self->{path}} = $self;
1908 $f->resolve_delayed_derefs;
1402 1909
1403 $self->{load_path} = $path; 1910 $self->{load_path} = $path;
1404 1911
1405 1 1912 1
1406} 1913}
1445 $self->load_header_orig 1952 $self->load_header_orig
1446 or return; 1953 or return;
1447 $self->prepare_orig; 1954 $self->prepare_orig;
1448 } 1955 }
1449 1956
1957 $self->{deny_reset} = 1
1958 if $self->no_reset;
1959
1450 $self->default_region (cf::region::find_by_path $self->{path}) 1960 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 1961 unless $self->default_region;
1452 1962
1453 1 1963 1
1454} 1964}
1457sub find { 1967sub find {
1458 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1459 1969
1460 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1461 1971
1972 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 1973 cf::lock_wait "map_find:$path";
1463 1974
1464 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path"; 1976 my $guard1 = cf::lock_acquire "map_find:$path";
1977 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1978
1466 my $map = new_from_path cf::map $path 1979 my $map = new_from_path cf::map $path
1467 or return; 1980 or return;
1468 1981
1469 $map->{last_save} = $cf::RUNTIME; 1982 $map->{last_save} = $cf::RUNTIME;
1470 1983
1471 $map->load_header 1984 $map->load_header
1472 or return; 1985 or return;
1473 1986
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1987 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 1988 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 1989 #$cf::WAIT_FOR_TICK->wait;
1990 undef $guard1;
1991 undef $guard2;
1477 $map->reset; 1992 $map->reset;
1478 undef $guard;
1479 return find $path; 1993 return find $path;
1480 } 1994 }
1481 1995
1482 $cf::MAP{$path} = $map 1996 $cf::MAP{$path} = $map
1483 } 1997 }
1492 local $self->{deny_reset} = 1; # loading can take a long time 2006 local $self->{deny_reset} = 1; # loading can take a long time
1493 2007
1494 my $path = $self->{path}; 2008 my $path = $self->{path};
1495 2009
1496 { 2010 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2011 my $guard = cf::lock_acquire "map_data:$path";
1498 2012
2013 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2014 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2015
1501 $self->in_memory (cf::MAP_LOADING); 2016 $self->in_memory (cf::MAP_LOADING);
1502 2017
1503 $self->alloc; 2018 $self->alloc;
1504 2019
1505 $self->pre_load; 2020 $self->pre_load;
1506 Coro::cede; 2021 cf::cede_to_tick;
1507 2022
2023 my $f = new_from_file cf::object::thawer $self->{load_path};
2024 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2025 $self->_load_objects ($f)
1509 or return; 2026 or return;
1510 2027
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2028 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512 if delete $self->{load_original}; 2029 if delete $self->{load_original};
1513 2030
1514 if (my $uniq = $self->uniq_path) { 2031 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2032 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2033 unless (aio_stat $uniq) {
2034 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2035 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2036 $self->_load_objects ($f);
2037 $f->resolve_delayed_derefs;
2038 }
1519 } 2039 }
1520 } 2040 }
1521 2041
1522 Coro::cede; 2042 $f->resolve_delayed_derefs;
2043
2044 cf::cede_to_tick;
1523 # now do the right thing for maps 2045 # now do the right thing for maps
1524 $self->link_multipart_objects; 2046 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2047 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2048 unless $self->difficulty;
1527 Coro::cede; 2049 cf::cede_to_tick;
1528 2050
1529 unless ($self->{deny_activate}) { 2051 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2052 $self->decay_objects;
1531 $self->fix_auto_apply; 2053 $self->fix_auto_apply;
1532 $self->update_buttons; 2054 $self->update_buttons;
1533 Coro::cede; 2055 cf::cede_to_tick;
1534 $self->set_darkness_map; 2056 $self->set_darkness_map;
1535 Coro::cede; 2057 cf::cede_to_tick;
1536 $self->activate; 2058 $self->activate;
1537 } 2059 }
2060
2061 $self->{last_save} = $cf::RUNTIME;
2062 $self->last_access ($cf::RUNTIME);
1538 2063
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2064 $self->in_memory (cf::MAP_IN_MEMORY);
1540 } 2065 }
1541 2066
1542 $self->post_load; 2067 $self->post_load;
1546 my ($self, $ob) = @_; 2071 my ($self, $ob) = @_;
1547 2072
1548 return find "~" . $ob->name . "/" . $self->{path} 2073 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2074 if $self->per_player;
1550 2075
2076# return find "?party/" . $ob->name . "/" . $self->{path}
2077# if $self->per_party;
2078
1551 $self 2079 $self
1552} 2080}
1553 2081
1554# find and load all maps in the 3x3 area around a map 2082# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2083sub load_neighbours {
1556 my ($map) = @_; 2084 my ($map) = @_;
1557 2085
1558 my @diag; # diagonal neighbours 2086 my @neigh; # diagonal neighbours
1559 2087
1560 for (0 .. 3) { 2088 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2089 my $neigh = $map->tile_path ($_)
1562 or next; 2090 or next;
1563 $neigh = find $neigh, $map 2091 $neigh = find $neigh, $map
1564 or next; 2092 or next;
1565 $neigh->load; 2093 $neigh->load;
1566 2094
2095 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2096 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2097 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2098 }
1570 2099
1571 for (@diag) { 2100 for (grep defined $_->[0], @neigh) {
2101 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2102 my $neigh = find $path, $origin
1573 or next; 2103 or next;
1574 $neigh->load; 2104 $neigh->load;
1575 } 2105 }
1576} 2106}
1577 2107
1582} 2112}
1583 2113
1584sub do_load_sync { 2114sub do_load_sync {
1585 my ($map) = @_; 2115 my ($map) = @_;
1586 2116
2117 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2118 if $Coro::current == $Coro::main;
2119
1587 cf::sync_job { $map->load }; 2120 cf::sync_job { $map->load };
1588} 2121}
1589 2122
1590our %MAP_PREFETCH; 2123our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2124our $MAP_PREFETCHER = undef;
1592 2125
1593sub find_async { 2126sub find_async {
1594 my ($path, $origin) = @_; 2127 my ($path, $origin, $load) = @_;
1595 2128
1596 $path = normalise $path, $origin && $origin->{path}; 2129 $path = normalise $path, $origin && $origin->{path};
1597 2130
1598 if (my $map = $cf::MAP{$path}) { 2131 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2132 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600 } 2133 }
1601 2134
1602 undef $MAP_PREFETCH{$path}; 2135 $MAP_PREFETCH{$path} |= $load;
2136
1603 $MAP_PREFETCHER ||= cf::async { 2137 $MAP_PREFETCHER ||= cf::async {
2138 $Coro::current->{desc} = "map prefetcher";
2139
1604 while (%MAP_PREFETCH) { 2140 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2141 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2142 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2143 $map->load if $v;
2144 }
1609 2145
1610 delete $MAP_PREFETCH{$path}; 2146 delete $MAP_PREFETCH{$k};
1611 } 2147 }
1612 } 2148 }
1613 undef $MAP_PREFETCHER; 2149 undef $MAP_PREFETCHER;
1614 }; 2150 };
1615 $MAP_PREFETCHER->prio (6); 2151 $MAP_PREFETCHER->prio (6);
1618} 2154}
1619 2155
1620sub save { 2156sub save {
1621 my ($self) = @_; 2157 my ($self) = @_;
1622 2158
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2159 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2160
1625 $self->{last_save} = $cf::RUNTIME; 2161 $self->{last_save} = $cf::RUNTIME;
1626 2162
1627 return unless $self->dirty; 2163 return unless $self->dirty;
1628 2164
1634 return if $self->{deny_save}; 2170 return if $self->{deny_save};
1635 2171
1636 local $self->{last_access} = $self->last_access;#d# 2172 local $self->{last_access} = $self->last_access;#d#
1637 2173
1638 cf::async { 2174 cf::async {
2175 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2176 $_->contr->save for $self->players;
1640 }; 2177 };
1641 2178
1642 if ($uniq) { 2179 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2180 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1651 my ($self) = @_; 2188 my ($self) = @_;
1652 2189
1653 # save first because save cedes 2190 # save first because save cedes
1654 $self->save; 2191 $self->save;
1655 2192
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2193 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2194
1658 return if $self->players; 2195 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2196 return if $self->in_memory != cf::MAP_IN_MEMORY;
1660 return if $self->{deny_save}; 2197 return if $self->{deny_save};
1661 2198
2199 $self->in_memory (cf::MAP_SWAPPED);
2200
2201 $self->deactivate;
2202 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2203 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2204}
1665 2205
1666sub reset_at { 2206sub reset_at {
1667 my ($self) = @_; 2207 my ($self) = @_;
1668 2208
1669 # TODO: safety, remove and allow resettable per-player maps 2209 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2210 return 1e99 if $self->{deny_reset};
1672 2211
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2212 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2213 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2214
1686 my ($self) = @_; 2225 my ($self) = @_;
1687 2226
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2228
1690 return if $self->players; 2229 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2230
1693 warn "resetting map ", $self->path;#d# 2231 warn "resetting map ", $self->path;
1694 2232
1695 $self->in_memory (cf::MAP_SWAPPED); 2233 $self->in_memory (cf::MAP_SWAPPED);
1696 2234
1697 # need to save uniques path 2235 # need to save uniques path
1698 unless ($self->{deny_save}) { 2236 unless ($self->{deny_save}) {
1702 if $uniq; 2240 if $uniq;
1703 } 2241 }
1704 2242
1705 delete $cf::MAP{$self->path}; 2243 delete $cf::MAP{$self->path};
1706 2244
2245 $self->deactivate;
2246 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2247 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2248
1711 $self->unlink_save; 2249 $self->unlink_save;
1712 $self->destroy; 2250 $self->destroy;
1713} 2251}
1714 2252
1715my $nuke_counter = "aaaa"; 2253my $nuke_counter = "aaaa";
1716 2254
1717sub nuke { 2255sub nuke {
1718 my ($self) = @_; 2256 my ($self) = @_;
1719 2257
2258 {
2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
2260
1720 delete $cf::MAP{$self->path}; 2261 delete $cf::MAP{$self->path};
1721 2262
1722 $self->unlink_save; 2263 $self->unlink_save;
1723 2264
1724 bless $self, "cf::map"; 2265 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2266 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2267 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2268 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2269 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2270
1730 $cf::MAP{$self->path} = $self; 2271 $cf::MAP{$self->path} = $self;
2272 }
1731 2273
1732 $self->reset; # polite request, might not happen 2274 $self->reset; # polite request, might not happen
2275}
2276
2277=item $maps = cf::map::tmp_maps
2278
2279Returns an arrayref with all map paths of currently instantiated and saved
2280maps. May block.
2281
2282=cut
2283
2284sub tmp_maps() {
2285 [
2286 map {
2287 utf8::decode $_;
2288 /\.map$/
2289 ? normalise $_
2290 : ()
2291 } @{ aio_readdir $TMPDIR or [] }
2292 ]
2293}
2294
2295=item $maps = cf::map::random_maps
2296
2297Returns an arrayref with all map paths of currently instantiated and saved
2298random maps. May block.
2299
2300=cut
2301
2302sub random_maps() {
2303 [
2304 map {
2305 utf8::decode $_;
2306 /\.map$/
2307 ? normalise "?random/$_"
2308 : ()
2309 } @{ aio_readdir $RANDOMDIR or [] }
2310 ]
1733} 2311}
1734 2312
1735=item cf::map::unique_maps 2313=item cf::map::unique_maps
1736 2314
1737Returns an arrayref of paths of all shared maps that have 2315Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2316instantiated unique items. May block.
1739 2317
1740=cut 2318=cut
1741 2319
1742sub unique_maps() { 2320sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2321 [
1744 or return; 2322 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2323 utf8::decode $_;
1750 next if /\.pst$/; 2324 /\.map$/
1751 next unless /^$PATH_SEP/o; 2325 ? normalise $_
1752 2326 : ()
1753 push @paths, cf::map::normalise $_; 2327 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2328 ]
1755
1756 \@paths
1757} 2329}
1758 2330
1759package cf; 2331package cf;
1760 2332
1761=back 2333=back
1779 map { $_, inv_recursive_ $_->inv } @_ 2351 map { $_, inv_recursive_ $_->inv } @_
1780} 2352}
1781 2353
1782sub inv_recursive { 2354sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2355 inv_recursive_ inv $_[0]
2356}
2357
2358=item $ref = $ob->ref
2359
2360creates and returns a persistent reference to an objetc that can be stored as a string.
2361
2362=item $ob = cf::object::deref ($refstring)
2363
2364returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2365even if the object actually exists. May block.
2366
2367=cut
2368
2369sub deref {
2370 my ($ref) = @_;
2371
2372 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2373 my ($uuid, $name) = ($1, $2);
2374 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2375 or return;
2376 $pl->ob->uuid eq $uuid
2377 or return;
2378
2379 $pl->ob
2380 } else {
2381 warn "$ref: cannot resolve object reference\n";
2382 undef
2383 }
1784} 2384}
1785 2385
1786package cf; 2386package cf;
1787 2387
1788=back 2388=back
1807 2407
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2408 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2409
1810 if ($self->{record_replies}) { 2410 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2411 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2412
1812 } else { 2413 } else {
2414 my $pl = $self->contr;
2415
2416 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2417 my $dialog = $pl->{npc_dialog};
2418 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419
2420 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2421 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2422 $self->message ($msg, $flags);
2423 }
1815 } 2424 }
2425}
2426
2427=item $object->send_msg ($channel, $msg, $color, [extra...])
2428
2429=cut
2430
2431sub cf::object::send_msg {
2432 my $pl = shift->contr
2433 or return;
2434 $pl->send_msg (@_);
1816} 2435}
1817 2436
1818=item $player_object->may ("access") 2437=item $player_object->may ("access")
1819 2438
1820Returns wether the given player is authorized to access resource "access" 2439Returns wether the given player is authorized to access resource "access"
1862} 2481}
1863 2482
1864sub cf::object::player::enter_link { 2483sub cf::object::player::enter_link {
1865 my ($self) = @_; 2484 my ($self) = @_;
1866 2485
2486 $self->deactivate_recursive;
2487
1867 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2488 return if UNIVERSAL::isa $self->map, "ext::map_link";
1868 2489
1869 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2490 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870 if $self->map; 2491 if $self->map && $self->map->{path} ne "{link}";
1871 2492
1872 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2493 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1873} 2494}
1874 2495
1875sub cf::object::player::leave_link { 2496sub cf::object::player::leave_link {
1876 my ($self, $map, $x, $y) = @_; 2497 my ($self, $map, $x, $y) = @_;
2498
2499 return unless $self->contr->active;
1877 2500
1878 my $link_pos = delete $self->{_link_pos}; 2501 my $link_pos = delete $self->{_link_pos};
1879 2502
1880 unless ($map) { 2503 unless ($map) {
1881 # restore original map position 2504 # restore original map position
1895 # use -1 or undef as default coordinates, not 0, 0 2518 # use -1 or undef as default coordinates, not 0, 0
1896 ($x, $y) = ($map->enter_x, $map->enter_y) 2519 ($x, $y) = ($map->enter_x, $map->enter_y)
1897 if $x <=0 && $y <= 0; 2520 if $x <=0 && $y <= 0;
1898 2521
1899 $map->load; 2522 $map->load;
1900 $map->load_diag; 2523 $map->load_neighbours;
1901 2524
1902 return unless $self->contr->active; 2525 return unless $self->contr->active;
1903 $self->activate_recursive; 2526 $self->activate_recursive;
1904 2527
1905 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2528 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906 $self->enter_map ($map, $x, $y); 2529 $self->enter_map ($map, $x, $y);
1907} 2530}
1908 2531
1909cf::player->attach ( 2532=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910 on_logout => sub {
1911 my ($pl) = @_;
1912 2533
1913 # abort map switching before logout 2534Moves the player to the given map-path and coordinates by first freezing
1914 if ($pl->ob->{_link_pos}) { 2535her, loading and preparing them map, calling the provided $check callback
1915 cf::sync_job { 2536that has to return the map if sucecssful, and then unfreezes the player on
1916 $pl->ob->leave_link 2537the new (success) or old (failed) map position. In either case, $done will
1917 }; 2538be called at the end of this process.
1918 }
1919 },
1920 on_login => sub {
1921 my ($pl) = @_;
1922 2539
1923 # try to abort aborted map switching on player login :)
1924 # should happen only on crashes
1925 if ($pl->ob->{_link_pos}) {
1926 $pl->ob->enter_link;
1927 (async {
1928 $pl->ob->reply (undef,
1929 "There was an internal problem at your last logout, "
1930 . "the server will try to bring you to your intended destination in a second.",
1931 cf::NDI_RED);
1932 # we need this sleep as the login has a concurrent enter_exit running
1933 # and this sleep increases chances of the player not ending up in scorn
1934 Coro::Timer::sleep 1;
1935 $pl->ob->leave_link;
1936 })->prio (2);
1937 }
1938 },
1939);
1940
1941=item $player_object->goto ($path, $x, $y)
1942
1943=cut 2540=cut
2541
2542our $GOTOGEN;
1944 2543
1945sub cf::object::player::goto { 2544sub cf::object::player::goto {
1946 my ($self, $path, $x, $y) = @_; 2545 my ($self, $path, $x, $y, $check, $done) = @_;
2546
2547 # do generation counting so two concurrent goto's will be executed in-order
2548 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947 2549
1948 $self->enter_link; 2550 $self->enter_link;
1949 2551
1950 (async { 2552 (async {
2553 $Coro::current->{desc} = "player::goto $path $x $y";
2554
2555 # *tag paths override both path and x|y
2556 if ($path =~ /^\*(.*)$/) {
2557 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2558 my $ob = $obs[rand @obs];
2559
2560 # see if we actually can go there
2561 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2562 $ob = $obs[rand @obs];
2563 } else {
2564 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566 # else put us there anyways for now #d#
2567
2568 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2569 } else {
2570 ($path, $x, $y) = (undef, undef, undef);
2571 }
2572 }
2573
1951 my $map = eval { 2574 my $map = eval {
1952 my $map = cf::map::find $path; 2575 my $map = defined $path ? cf::map::find $path : undef;
2576
2577 if ($map) {
1953 $map = $map->customise_for ($self) if $map; 2578 $map = $map->customise_for ($self);
2579 $map = $check->($map) if $check && $map;
2580 } else {
2581 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582 }
2583
1954 $map 2584 $map
2585 };
2586
2587 if ($@) {
2588 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2589 LOG llevError | logBacktrace, Carp::longmess $@;
1955 } or 2590 }
1956 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957 2591
2592 if ($gen == $self->{_goto_generation}) {
2593 delete $self->{_goto_generation};
1958 $self->leave_link ($map, $x, $y); 2594 $self->leave_link ($map, $x, $y);
2595 }
2596
2597 $done->() if $done;
1959 })->prio (1); 2598 })->prio (1);
1960} 2599}
1961 2600
1962=item $player_object->enter_exit ($exit_object) 2601=item $player_object->enter_exit ($exit_object)
1963 2602
2000 $rmp->{origin_y} = $exit->y; 2639 $rmp->{origin_y} = $exit->y;
2001 } 2640 }
2002 2641
2003 $rmp->{random_seed} ||= $exit->random_seed; 2642 $rmp->{random_seed} ||= $exit->random_seed;
2004 2643
2005 my $data = cf::to_json $rmp; 2644 my $data = cf::encode_json $rmp;
2006 my $md5 = Digest::MD5::md5_hex $data; 2645 my $md5 = Digest::MD5::md5_hex $data;
2007 my $meta = "$RANDOMDIR/$md5.meta"; 2646 my $meta = "$RANDOMDIR/$md5.meta";
2008 2647
2009 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2648 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010 aio_write $fh, 0, (length $data), $data, 0; 2649 aio_write $fh, 0, (length $data), $data, 0;
2032 my $hp = $exit->stats->hp; 2671 my $hp = $exit->stats->hp;
2033 my $sp = $exit->stats->sp; 2672 my $sp = $exit->stats->sp;
2034 2673
2035 $self->enter_link; 2674 $self->enter_link;
2036 2675
2676 # if exit is damned, update players death & WoR home-position
2677 $self->contr->savebed ($slaying, $hp, $sp)
2678 if $exit->flag (FLAG_DAMNED);
2679
2037 (async { 2680 (async {
2681 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2682
2038 $self->deactivate_recursive; # just to be sure 2683 $self->deactivate_recursive; # just to be sure
2039 unless (eval { 2684 unless (eval {
2040 $self->goto ($slaying, $hp, $sp); 2685 $self->goto ($slaying, $hp, $sp);
2041 2686
2042 1; 2687 1;
2068 2713
2069 utf8::encode $text; 2714 utf8::encode $text;
2070 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2715 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071} 2716}
2072 2717
2718=item $client->send_msg ($channel, $msg, $color, [extra...])
2719
2720Send a drawinfo or msg packet to the client, formatting the msg for the
2721client if neccessary. C<$type> should be a string identifying the type of
2722the message, with C<log> being the default. If C<$color> is negative, suppress
2723the message unless the client supports the msg packet.
2724
2725=cut
2726
2727# non-persistent channels (usually the info channel)
2728our %CHANNEL = (
2729 "c/identify" => {
2730 id => "infobox",
2731 title => "Identify",
2732 reply => undef,
2733 tooltip => "Items recently identified",
2734 },
2735 "c/examine" => {
2736 id => "infobox",
2737 title => "Examine",
2738 reply => undef,
2739 tooltip => "Signs and other items you examined",
2740 },
2741 "c/book" => {
2742 id => "infobox",
2743 title => "Book",
2744 reply => undef,
2745 tooltip => "The contents of a note or book",
2746 },
2747 "c/lookat" => {
2748 id => "infobox",
2749 title => "Look",
2750 reply => undef,
2751 tooltip => "What you saw there",
2752 },
2753 "c/who" => {
2754 id => "infobox",
2755 title => "Players",
2756 reply => undef,
2757 tooltip => "Shows players who are currently online",
2758 },
2759 "c/body" => {
2760 id => "infobox",
2761 title => "Body Parts",
2762 reply => undef,
2763 tooltip => "Shows which body parts you posess and are available",
2764 },
2765 "c/uptime" => {
2766 id => "infobox",
2767 title => "Uptime",
2768 reply => undef,
2769 tooltip => "How long the server has been running since last restart",
2770 },
2771 "c/mapinfo" => {
2772 id => "infobox",
2773 title => "Map Info",
2774 reply => undef,
2775 tooltip => "Information related to the maps",
2776 },
2777);
2778
2779sub cf::client::send_msg {
2780 my ($self, $channel, $msg, $color, @extra) = @_;
2781
2782 $msg = $self->pl->expand_cfpod ($msg);
2783
2784 $color &= cf::NDI_CLIENT_MASK; # just in case...
2785
2786 # check predefined channels, for the benefit of C
2787 if ($CHANNEL{$channel}) {
2788 $channel = $CHANNEL{$channel};
2789
2790 $self->ext_msg (channel_info => $channel)
2791 if $self->can_msg;
2792
2793 $channel = $channel->{id};
2794
2795 } elsif (ref $channel) {
2796 # send meta info to client, if not yet sent
2797 unless (exists $self->{channel}{$channel->{id}}) {
2798 $self->{channel}{$channel->{id}} = $channel;
2799 $self->ext_msg (channel_info => $channel)
2800 if $self->can_msg;
2801 }
2802
2803 $channel = $channel->{id};
2804 }
2805
2806 return unless @extra || length $msg;
2807
2808 if ($self->can_msg) {
2809 # default colour, mask it out
2810 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811 if $color & cf::NDI_DEF;
2812
2813 $self->send_packet ("msg " . $self->{json_coder}->encode (
2814 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2815 } else {
2816 if ($color >= 0) {
2817 # replace some tags by gcfclient-compatible ones
2818 for ($msg) {
2819 1 while
2820 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825 }
2826
2827 $color &= cf::NDI_COLOR_MASK;
2828
2829 utf8::encode $msg;
2830
2831 if (0 && $msg =~ /\[/) {
2832 # COMMAND/INFO
2833 $self->send_packet ("drawextinfo $color 10 8 $msg")
2834 } else {
2835 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836 $self->send_packet ("drawinfo $color $msg")
2837 }
2838 }
2839 }
2840}
2841
2073=item $client->ext_event ($type, %msg) 2842=item $client->ext_msg ($type, @msg)
2074 2843
2075Sends an exti event to the client. 2844Sends an ext event to the client.
2076 2845
2077=cut 2846=cut
2078 2847
2079sub cf::client::ext_event($$%) { 2848sub cf::client::ext_msg($$@) {
2080 my ($self, $type, %msg) = @_; 2849 my ($self, $type, @msg) = @_;
2081 2850
2851 if ($self->extcmd == 2) {
2852 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853 } elsif ($self->extcmd == 1) { # TODO: remove
2082 $msg{msgtype} = "event_$type"; 2854 push @msg, msgtype => "event_$type";
2083 $self->send_packet ("ext " . cf::to_json \%msg); 2855 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856 }
2857}
2858
2859=item $client->ext_reply ($msgid, @msg)
2860
2861Sends an ext reply to the client.
2862
2863=cut
2864
2865sub cf::client::ext_reply($$@) {
2866 my ($self, $id, @msg) = @_;
2867
2868 if ($self->extcmd == 2) {
2869 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870 } elsif ($self->extcmd == 1) {
2871 #TODO: version 1, remove
2872 unshift @msg, msgtype => "reply", msgid => $id;
2873 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874 }
2084} 2875}
2085 2876
2086=item $success = $client->query ($flags, "text", \&cb) 2877=item $success = $client->query ($flags, "text", \&cb)
2087 2878
2088Queues a query to the client, calling the given callback with 2879Queues a query to the client, calling the given callback with
2089the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2880the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2881C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091 2882
2092Queries can fail, so check the return code. Or don't, as queries will become 2883Queries can fail, so check the return code. Or don't, as queries will
2093reliable at some point in the future. 2884become reliable at some point in the future.
2094 2885
2095=cut 2886=cut
2096 2887
2097sub cf::client::query { 2888sub cf::client::query {
2098 my ($self, $flags, $text, $cb) = @_; 2889 my ($self, $flags, $text, $cb) = @_;
2106 utf8::encode $text; 2897 utf8::encode $text;
2107 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2898 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108 2899
2109 $self->send_packet ($self->{query_queue}[0][0]) 2900 $self->send_packet ($self->{query_queue}[0][0])
2110 if @{ $self->{query_queue} } == 1; 2901 if @{ $self->{query_queue} } == 1;
2902
2903 1
2111} 2904}
2112 2905
2113cf::client->attach ( 2906cf::client->attach (
2907 on_connect => sub {
2908 my ($ns) = @_;
2909
2910 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2911 },
2114 on_reply => sub { 2912 on_reply => sub {
2115 my ($ns, $msg) = @_; 2913 my ($ns, $msg) = @_;
2116 2914
2117 # this weird shuffling is so that direct followup queries 2915 # this weird shuffling is so that direct followup queries
2118 # get handled first 2916 # get handled first
2130 } else { 2928 } else {
2131 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2929 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132 } 2930 }
2133 } 2931 }
2134 }, 2932 },
2933 on_exticmd => sub {
2934 my ($ns, $buf) = @_;
2935
2936 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2937
2938 if (ref $msg) {
2939 my ($type, $reply, @payload) =
2940 "ARRAY" eq ref $msg
2941 ? @$msg
2942 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2943
2944 my @reply;
2945
2946 if (my $cb = $EXTICMD{$type}) {
2947 @reply = $cb->($ns, @payload);
2948 }
2949
2950 $ns->ext_reply ($reply, @reply)
2951 if $reply;
2952
2953 } else {
2954 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2955 }
2956
2957 cf::override;
2958 },
2135); 2959);
2136 2960
2137=item $client->async (\&cb) 2961=item $client->async (\&cb)
2138 2962
2139Create a new coroutine, running the specified callback. The coroutine will 2963Create a new coroutine, running the specified callback. The coroutine will
2180our $safe = new Safe "safe"; 3004our $safe = new Safe "safe";
2181our $safe_hole = new Safe::Hole; 3005our $safe_hole = new Safe::Hole;
2182 3006
2183$SIG{FPE} = 'IGNORE'; 3007$SIG{FPE} = 'IGNORE';
2184 3008
2185$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3009$safe->permit_only (Opcode::opset qw(
3010 :base_core :base_mem :base_orig :base_math
3011 grepstart grepwhile mapstart mapwhile
3012 sort time
3013));
2186 3014
2187# here we export the classes and methods available to script code 3015# here we export the classes and methods available to script code
2188 3016
2189=pod 3017=pod
2190 3018
2191The following functions and methods are available within a safe environment: 3019The following functions and methods are available within a safe environment:
2192 3020
2193 cf::object contr pay_amount pay_player map 3021 cf::object
3022 contr pay_amount pay_player map x y force_find force_add destroy
3023 insert remove name archname title slaying race decrease_ob_nr
3024
2194 cf::object::player player 3025 cf::object::player
2195 cf::player peaceful 3026 player
2196 cf::map trigger 3027
3028 cf::player
3029 peaceful
3030
3031 cf::map
3032 trigger
2197 3033
2198=cut 3034=cut
2199 3035
2200for ( 3036for (
2201 ["cf::object" => qw(contr pay_amount pay_player map)], 3037 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038 insert remove inv name archname title slaying race
3039 decrease_ob_nr destroy)],
2202 ["cf::object::player" => qw(player)], 3040 ["cf::object::player" => qw(player)],
2203 ["cf::player" => qw(peaceful)], 3041 ["cf::player" => qw(peaceful)],
2204 ["cf::map" => qw(trigger)], 3042 ["cf::map" => qw(trigger)],
2205) { 3043) {
2206 no strict 'refs'; 3044 no strict 'refs';
2277=back 3115=back
2278 3116
2279=cut 3117=cut
2280 3118
2281############################################################################# 3119#############################################################################
2282
2283=head2 EXTENSION DATABASE SUPPORT
2284
2285Crossfire maintains a very simple database for extension use. It can
2286currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287convert to/from binary).
2288
2289The parameter C<$family> should best start with the name of the extension
2290using it, it should be unique.
2291
2292=over 4
2293
2294=item $value = cf::db_get $family => $key
2295
2296Returns a single value from the database.
2297
2298=item cf::db_put $family => $key => $value
2299
2300Stores the given C<$value> in the family.
2301
2302=cut
2303
2304our $DB;
2305
2306sub db_init {
2307 unless ($DB) {
2308 $DB = BDB::db_create $DB_ENV;
2309
2310 cf::sync_job {
2311 eval {
2312 $DB->set_flags (BDB::CHKSUM);
2313
2314 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316 cf::cleanup "db_open(db): $!" if $!;
2317 };
2318 cf::cleanup "db_open(db): $@" if $@;
2319 };
2320 }
2321}
2322
2323sub db_get($$) {
2324 my $key = "$_[0]/$_[1]";
2325
2326 cf::sync_job {
2327 BDB::db_get $DB, undef, $key, my $data;
2328
2329 $! ? ()
2330 : $data
2331 }
2332}
2333
2334sub db_put($$$) {
2335 BDB::dbreq_pri 4;
2336 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337}
2338
2339=item cf::cache $id => [$paths...], $processversion => $process
2340
2341Generic caching function that returns the value of the resource $id,
2342caching and regenerating as required.
2343
2344This function can block.
2345
2346=cut
2347
2348sub cache {
2349 my ($id, $src, $processversion, $process) = @_;
2350
2351 my $meta =
2352 join "\x00",
2353 $processversion,
2354 map {
2355 aio_stat $_
2356 and Carp::croak "$_: $!";
2357
2358 ($_, (stat _)[7,9])
2359 } @$src;
2360
2361 my $dbmeta = db_get cache => "$id/meta";
2362 if ($dbmeta ne $meta) {
2363 # changed, we may need to process
2364
2365 my @data;
2366 my $md5;
2367
2368 for (0 .. $#$src) {
2369 0 <= aio_load $src->[$_], $data[$_]
2370 or Carp::croak "$src->[$_]: $!";
2371 }
2372
2373 # if processing is expensive, check
2374 # checksum first
2375 if (1) {
2376 $md5 =
2377 join "\x00",
2378 $processversion,
2379 map {
2380 Coro::cede;
2381 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2382 } 0.. $#$src;
2383
2384
2385 my $dbmd5 = db_get cache => "$id/md5";
2386 if ($dbmd5 eq $md5) {
2387 db_put cache => "$id/meta", $meta;
2388
2389 return db_get cache => "$id/data";
2390 }
2391 }
2392
2393 my $t1 = Time::HiRes::time;
2394 my $data = $process->(\@data);
2395 my $t2 = Time::HiRes::time;
2396
2397 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399 db_put cache => "$id/data", $data;
2400 db_put cache => "$id/md5" , $md5;
2401 db_put cache => "$id/meta", $meta;
2402
2403 return $data;
2404 }
2405
2406 db_get cache => "$id/data"
2407}
2408
2409=item fork_call { }, $args
2410
2411Executes the given code block with the given arguments in a seperate
2412process, returning the results. Everything must be serialisable with
2413Coro::Storable. May, of course, block. Note that the executed sub may
2414never block itself or use any form of Event handling.
2415
2416=cut
2417
2418sub fork_call(&@) {
2419 my ($cb, @args) = @_;
2420
2421# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422# or die "socketpair: $!";
2423 pipe my $fh1, my $fh2
2424 or die "pipe: $!";
2425
2426 if (my $pid = fork) {
2427 close $fh2;
2428
2429 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430 $res = Coro::Storable::thaw $res;
2431
2432 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434 die $$res unless "ARRAY" eq ref $res;
2435
2436 return wantarray ? @$res : $res->[-1];
2437 } else {
2438 local $SIG{__WARN__};
2439 eval {
2440 local $SIG{__DIE__};
2441 close $fh1;
2442
2443 my @res = eval { $cb->(@args) };
2444 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445 };
2446
2447 warn $@ if $@;
2448 _exit 0;
2449 }
2450}
2451
2452
2453
2454#############################################################################
2455# the server's init and main functions 3120# the server's init and main functions
2456 3121
2457sub load_facedata($) { 3122sub load_facedata($) {
2458 my ($path) = @_; 3123 my ($path) = @_;
3124
3125 # HACK to clear player env face cache, we need some signal framework
3126 # for this (global event?)
3127 %ext::player_env::MUSIC_FACE_CACHE = ();
3128
3129 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459 3130
2460 warn "loading facedata from $path\n"; 3131 warn "loading facedata from $path\n";
2461 3132
2462 my $facedata; 3133 my $facedata;
2463 0 < aio_load $path, $facedata 3134 0 < aio_load $path, $facedata
2466 $facedata = Coro::Storable::thaw $facedata; 3137 $facedata = Coro::Storable::thaw $facedata;
2467 3138
2468 $facedata->{version} == 2 3139 $facedata->{version} == 2
2469 or cf::cleanup "$path: version mismatch, cannot proceed."; 3140 or cf::cleanup "$path: version mismatch, cannot proceed.";
2470 3141
3142 # patch in the exptable
3143 $facedata->{resource}{"res/exp_table"} = {
3144 type => FT_RSRC,
3145 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3146 };
3147 cf::cede_to_tick;
3148
2471 { 3149 {
2472 my $faces = $facedata->{faceinfo}; 3150 my $faces = $facedata->{faceinfo};
2473 3151
2474 while (my ($face, $info) = each %$faces) { 3152 while (my ($face, $info) = each %$faces) {
2475 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3153 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2476 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3154 cf::face::set_visibility $idx, $info->{visibility};
3155 cf::face::set_magicmap $idx, $info->{magicmap};
2477 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3156 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3157 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479 Coro::cede; 3158
3159 cf::cede_to_tick;
2480 } 3160 }
2481 3161
2482 while (my ($face, $info) = each %$faces) { 3162 while (my ($face, $info) = each %$faces) {
2483 next unless $info->{smooth}; 3163 next unless $info->{smooth};
2484 my $idx = cf::face::find $face 3164 my $idx = cf::face::find $face
2485 or next; 3165 or next;
2486 if (my $smooth = cf::face::find $info->{smooth}) { 3166 if (my $smooth = cf::face::find $info->{smooth}) {
3167 cf::face::set_smooth $idx, $smooth;
2487 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3168 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488 } else { 3169 } else {
2489 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3170 warn "smooth face '$info->{smooth}' not found for face '$face'";
2490 } 3171 }
2491 Coro::cede; 3172
3173 cf::cede_to_tick;
2492 } 3174 }
2493 } 3175 }
2494 3176
2495 { 3177 {
2496 my $anims = $facedata->{animinfo}; 3178 my $anims = $facedata->{animinfo};
2497 3179
2498 while (my ($anim, $info) = each %$anims) { 3180 while (my ($anim, $info) = each %$anims) {
2499 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3181 cf::anim::set $anim, $info->{frames}, $info->{facings};
2500 Coro::cede; 3182 cf::cede_to_tick;
2501 } 3183 }
2502 3184
2503 cf::anim::invalidate_all; # d'oh 3185 cf::anim::invalidate_all; # d'oh
2504 } 3186 }
2505 3187
3188 {
3189 # TODO: for gcfclient pleasure, we should give resources
3190 # that gcfclient doesn't grok a >10000 face index.
3191 my $res = $facedata->{resource};
3192
3193 my $soundconf = delete $res->{"res/sound.conf"};
3194
3195 while (my ($name, $info) = each %$res) {
3196 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197 my $data;
3198
3199 if ($info->{type} & 1) {
3200 # prepend meta info
3201
3202 my $meta = $enc->encode ({
3203 name => $name,
3204 %{ $info->{meta} || {} },
3205 });
3206
3207 $data = pack "(w/a*)*", $meta, $info->{data};
3208 } else {
3209 $data = $info->{data};
3210 }
3211
3212 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213 cf::face::set_type $idx, $info->{type};
3214
3215 cf::cede_to_tick;
3216 }
3217
3218 if ($soundconf) {
3219 $soundconf = $enc->decode (delete $soundconf->{data});
3220
3221 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222 my $sound = $soundconf->{compat}[$_]
3223 or next;
3224
3225 my $face = cf::face::find "sound/$sound->[1]";
3226 cf::sound::set $sound->[0] => $face;
3227 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228 }
3229
3230 while (my ($k, $v) = each %{$soundconf->{event}}) {
3231 my $face = cf::face::find "sound/$v";
3232 cf::sound::set $k => $face;
3233 }
3234 }
3235 }
3236
2506 1 3237 1
2507} 3238}
2508 3239
3240register_exticmd fx_want => sub {
3241 my ($ns, $want) = @_;
3242
3243 while (my ($k, $v) = each %$want) {
3244 $ns->fx_want ($k, $v);
3245 }
3246};
3247
2509sub reload_regions { 3248sub reload_regions {
3249 # HACK to clear player env face cache, we need some signal framework
3250 # for this (global event?)
3251 %ext::player_env::MUSIC_FACE_CACHE = ();
3252
2510 load_resource_file "$MAPDIR/regions" 3253 load_resource_file "$MAPDIR/regions"
2511 or die "unable to load regions file\n"; 3254 or die "unable to load regions file\n";
3255
3256 for (cf::region::list) {
3257 $_->{match} = qr/$_->{match}/
3258 if exists $_->{match};
3259 }
2512} 3260}
2513 3261
2514sub reload_facedata { 3262sub reload_facedata {
2515 load_facedata "$DATADIR/facedata" 3263 load_facedata "$DATADIR/facedata"
2516 or die "unable to load facedata\n"; 3264 or die "unable to load facedata\n";
2517} 3265}
2518 3266
2519sub reload_archetypes { 3267sub reload_archetypes {
2520 load_resource_file "$DATADIR/archetypes" 3268 load_resource_file "$DATADIR/archetypes"
2521 or die "unable to load archetypes\n"; 3269 or die "unable to load archetypes\n";
3270 #d# NEED to laod twice to resolve forward references
3271 # this really needs to be done in an extra post-pass
3272 # (which needs to be synchronous, so solve it differently)
3273 load_resource_file "$DATADIR/archetypes"
3274 or die "unable to load archetypes\n";
2522} 3275}
2523 3276
2524sub reload_treasures { 3277sub reload_treasures {
2525 load_resource_file "$DATADIR/treasures" 3278 load_resource_file "$DATADIR/treasures"
2526 or die "unable to load treasurelists\n"; 3279 or die "unable to load treasurelists\n";
2529sub reload_resources { 3282sub reload_resources {
2530 warn "reloading resource files...\n"; 3283 warn "reloading resource files...\n";
2531 3284
2532 reload_regions; 3285 reload_regions;
2533 reload_facedata; 3286 reload_facedata;
3287 #reload_archetypes;#d#
2534 reload_archetypes; 3288 reload_archetypes;
2535 reload_treasures; 3289 reload_treasures;
2536 3290
2537 warn "finished reloading resource files\n"; 3291 warn "finished reloading resource files\n";
2538} 3292}
2539 3293
2540sub init { 3294sub init {
2541 reload_resources; 3295 reload_resources;
2542} 3296}
2543 3297
2544sub cfg_load { 3298sub reload_config {
2545 open my $fh, "<:utf8", "$CONFDIR/config" 3299 open my $fh, "<:utf8", "$CONFDIR/config"
2546 or return; 3300 or return;
2547 3301
2548 local $/; 3302 local $/;
2549 *CFG = YAML::Syck::Load <$fh>; 3303 *CFG = YAML::Syck::Load <$fh>;
2565sub main { 3319sub main {
2566 # we must not ever block the main coroutine 3320 # we must not ever block the main coroutine
2567 local $Coro::idle = sub { 3321 local $Coro::idle = sub {
2568 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3322 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569 (async { 3323 (async {
2570 Event::one_event; 3324 $Coro::current->{desc} = "IDLE BUG HANDLER";
3325 EV::loop EV::LOOP_ONESHOT;
2571 })->prio (Coro::PRIO_MAX); 3326 })->prio (Coro::PRIO_MAX);
2572 }; 3327 };
2573 3328
2574 cfg_load; 3329 reload_config;
2575 db_init; 3330 db_init;
2576 load_extensions; 3331 load_extensions;
2577 3332
2578 $TICK_WATCHER->start; 3333 $TICK_WATCHER->start;
3334 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2579 Event::loop; 3335 EV::loop;
2580} 3336}
2581 3337
2582############################################################################# 3338#############################################################################
2583# initialisation and cleanup 3339# initialisation and cleanup
2584 3340
2585# install some emergency cleanup handlers 3341# install some emergency cleanup handlers
2586BEGIN { 3342BEGIN {
3343 our %SIGWATCHER = ();
2587 for my $signal (qw(INT HUP TERM)) { 3344 for my $signal (qw(INT HUP TERM)) {
2588 Event->signal ( 3345 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2589 reentrant => 0,
2590 data => WF_AUTOCANCEL,
2591 signal => $signal,
2592 prio => 0,
2593 cb => sub {
2594 cf::cleanup "SIG$signal"; 3346 cf::cleanup "SIG$signal";
2595 },
2596 ); 3347 };
3348 }
3349}
3350
3351sub write_runtime {
3352 my $runtime = "$LOCALDIR/runtime";
3353
3354 # first touch the runtime file to show we are still running:
3355 # the fsync below can take a very very long time.
3356
3357 IO::AIO::aio_utime $runtime, undef, undef;
3358
3359 my $guard = cf::lock_acquire "write_runtime";
3360
3361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3362 or return;
3363
3364 my $value = $cf::RUNTIME + 90 + 10;
3365 # 10 is the runtime save interval, for a monotonic clock
3366 # 60 allows for the watchdog to kill the server.
3367
3368 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3369 and return;
3370
3371 # always fsync - this file is important
3372 aio_fsync $fh
3373 and return;
3374
3375 # touch it again to show we are up-to-date
3376 aio_utime $fh, undef, undef;
3377
3378 close $fh
3379 or return;
3380
3381 aio_rename "$runtime~", $runtime
3382 and return;
3383
3384 warn "runtime file written.\n";
3385
2597 } 3386 1
2598} 3387}
2599 3388
2600sub emergency_save() { 3389sub emergency_save() {
2601 my $freeze_guard = cf::freeze_mainloop; 3390 my $freeze_guard = cf::freeze_mainloop;
2602 3391
2608 # and maps saved/destroyed asynchronously. 3397 # and maps saved/destroyed asynchronously.
2609 warn "begin emergency player save\n"; 3398 warn "begin emergency player save\n";
2610 for my $login (keys %cf::PLAYER) { 3399 for my $login (keys %cf::PLAYER) {
2611 my $pl = $cf::PLAYER{$login} or next; 3400 my $pl = $cf::PLAYER{$login} or next;
2612 $pl->valid or next; 3401 $pl->valid or next;
3402 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613 $pl->save; 3403 $pl->save;
2614 } 3404 }
2615 warn "end emergency player save\n"; 3405 warn "end emergency player save\n";
2616 3406
2617 warn "begin emergency map save\n"; 3407 warn "begin emergency map save\n";
2656 warn "syncing database to disk"; 3446 warn "syncing database to disk";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3447 BDB::db_env_txn_checkpoint $DB_ENV;
2658 3448
2659 # if anything goes wrong in here, we should simply crash as we already saved 3449 # if anything goes wrong in here, we should simply crash as we already saved
2660 3450
2661 warn "cancelling all WF_AUTOCANCEL watchers";
2662 for (Event::all_watchers) {
2663 $_->cancel if $_->data & WF_AUTOCANCEL;
2664 }
2665
2666 warn "flushing outstanding aio requests"; 3451 warn "flushing outstanding aio requests";
2667 for (;;) { 3452 for (;;) {
2668 BDB::flush; 3453 BDB::flush;
2669 IO::AIO::flush; 3454 IO::AIO::flush;
2670 Coro::cede; 3455 Coro::cede_notself;
2671 last unless IO::AIO::nreqs || BDB::nreqs; 3456 last unless IO::AIO::nreqs || BDB::nreqs;
2672 warn "iterate..."; 3457 warn "iterate...";
2673 } 3458 }
2674 3459
2675 ++$RELOAD; 3460 ++$RELOAD;
2679 %EXT_CORO = (); 3464 %EXT_CORO = ();
2680 3465
2681 warn "removing commands"; 3466 warn "removing commands";
2682 %COMMAND = (); 3467 %COMMAND = ();
2683 3468
2684 warn "removing ext commands"; 3469 warn "removing ext/exti commands";
2685 %EXTCMD = (); 3470 %EXTCMD = ();
3471 %EXTICMD = ();
2686 3472
2687 warn "unloading/nuking all extensions"; 3473 warn "unloading/nuking all extensions";
2688 for my $pkg (@EXTS) { 3474 for my $pkg (@EXTS) {
2689 warn "... unloading $pkg"; 3475 warn "... unloading $pkg";
2690 3476
2733 warn "reloading cf.pm"; 3519 warn "reloading cf.pm";
2734 require cf; 3520 require cf;
2735 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3521 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736 3522
2737 warn "loading config and database again"; 3523 warn "loading config and database again";
2738 cf::cfg_load; 3524 cf::reload_config;
2739 3525
2740 warn "loading extensions"; 3526 warn "loading extensions";
2741 cf::load_extensions; 3527 cf::load_extensions;
2742 3528
2743 warn "reattaching attachments to objects/players"; 3529 warn "reattaching attachments to objects/players";
2763 3549
2764sub reload_perl() { 3550sub reload_perl() {
2765 # doing reload synchronously and two reloads happen back-to-back, 3551 # doing reload synchronously and two reloads happen back-to-back,
2766 # coro crashes during coro_state_free->destroy here. 3552 # coro crashes during coro_state_free->destroy here.
2767 3553
2768 $RELOAD_WATCHER ||= Event->timer ( 3554 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2769 reentrant => 0,
2770 after => 0,
2771 data => WF_AUTOCANCEL,
2772 cb => sub {
2773 do_reload_perl;
2774 undef $RELOAD_WATCHER; 3555 undef $RELOAD_WATCHER;
2775 }, 3556 do_reload_perl;
2776 ); 3557 };
2777} 3558}
2778 3559
2779register_command "reload" => sub { 3560register_command "reload" => sub {
2780 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
2781 3562
2782 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
2783 $who->message ("reloading server."); 3564 $who->message ("reloading server.");
3565 async {
3566 $Coro::current->{desc} = "perl_reload";
2784 async { reload_perl }; 3567 reload_perl;
3568 };
2785 } 3569 }
2786}; 3570};
2787 3571
2788unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
2789 3573
2808 my $signal = new Coro::Signal; 3592 my $signal = new Coro::Signal;
2809 push @WAIT_FOR_TICK_BEGIN, $signal; 3593 push @WAIT_FOR_TICK_BEGIN, $signal;
2810 $signal->wait; 3594 $signal->wait;
2811} 3595}
2812 3596
2813$TICK_WATCHER = Event->timer ( 3597$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2814 reentrant => 0,
2815 parked => 1,
2816 prio => 0,
2817 at => $NEXT_TICK || $TICK,
2818 data => WF_AUTOCANCEL,
2819 cb => sub {
2820 if ($Coro::current != $Coro::main) { 3598 if ($Coro::current != $Coro::main) {
2821 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3599 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822 unless ++$bug_warning > 10; 3600 unless ++$bug_warning > 10;
2823 return; 3601 return;
2824 } 3602 }
2825 3603
2826 $NOW = Event::time; 3604 $NOW = $tick_start = EV::now;
2827 3605
2828 cf::server_tick; # one server iteration 3606 cf::server_tick; # one server iteration
2829 3607
2830 $RUNTIME += $TICK; 3608 $RUNTIME += $TICK;
2831 $NEXT_TICK += $TICK; 3609 $NEXT_TICK += $TICK;
2832 3610
2833 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3611 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834 $NEXT_RUNTIME_WRITE = $NOW + 10; 3612 $NEXT_RUNTIME_WRITE = $NOW + 10;
2835 Coro::async_pool { 3613 Coro::async_pool {
3614 $Coro::current->{desc} = "runtime saver";
2836 write_runtime 3615 write_runtime
2837 or warn "ERROR: unable to write runtime file: $!"; 3616 or warn "ERROR: unable to write runtime file: $!";
2838 };
2839 } 3617 };
3618 }
2840 3619
2841# my $AFTER = Event::time;
2842# warn $AFTER - $NOW;#d#
2843
2844 # if we are delayed by four ticks or more, skip them all
2845 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847 $TICK_WATCHER->at ($NEXT_TICK);
2848 $TICK_WATCHER->start;
2849
2850 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3620 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851 $sig->send; 3621 $sig->send;
2852 } 3622 }
2853 while (my $sig = shift @WAIT_FOR_TICK) { 3623 while (my $sig = shift @WAIT_FOR_TICK) {
2854 $sig->send; 3624 $sig->send;
2855 } 3625 }
2856 3626
3627 $LOAD = ($NOW - $tick_start) / $TICK;
3628 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629
2857 _post_tick; 3630 _post_tick;
2858 }, 3631};
2859); 3632$TICK_WATCHER->priority (EV::MAXPRI);
2860 3633
2861{ 3634{
2862 BDB::max_poll_time $TICK * 0.1; 3635 # configure BDB
2863 $BDB_POLL_WATCHER = Event->io ( 3636
2864 reentrant => 0,
2865 fd => BDB::poll_fileno,
2866 poll => 'r',
2867 prio => 0,
2868 data => WF_AUTOCANCEL,
2869 cb => \&BDB::poll_cb,
2870 );
2871 BDB::min_parallel 8; 3637 BDB::min_parallel 8;
2872 3638 BDB::max_poll_reqs $TICK * 0.1;
2873 BDB::set_sync_prepare {
2874 my $status;
2875 my $current = $Coro::current;
2876 (
2877 sub {
2878 $status = $!;
2879 $current->ready; undef $current;
2880 },
2881 sub {
2882 Coro::schedule while defined $current;
2883 $! = $status;
2884 },
2885 )
2886 };
2887 3639
2888 unless ($DB_ENV) { 3640 unless ($DB_ENV) {
2889 $DB_ENV = BDB::db_env_create; 3641 $DB_ENV = BDB::db_env_create;
3642 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3643 | BDB::LOG_AUTOREMOVE, 1);
3644 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3645 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890 3646
2891 cf::sync_job { 3647 cf::sync_job {
2892 eval { 3648 eval {
2893 BDB::db_env_open 3649 BDB::db_env_open
2894 $DB_ENV, 3650 $DB_ENV,
2896 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3652 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3653 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898 0666; 3654 0666;
2899 3655
2900 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3656 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903 $DB_ENV->set_lk_detect;
2904 }; 3657 };
2905 3658
2906 cf::cleanup "db_env_open(db): $@" if $@; 3659 cf::cleanup "db_env_open(db): $@" if $@;
2907 }; 3660 };
2908 } 3661 }
3662
3663 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3664 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3665 };
3666 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3667 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3668 };
3669 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3670 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3671 };
2909} 3672}
2910 3673
2911{ 3674{
3675 # configure IO::AIO
3676
2912 IO::AIO::min_parallel 8; 3677 IO::AIO::min_parallel 8;
2913
2914 undef $Coro::AIO::WATCHER;
2915 IO::AIO::max_poll_time $TICK * 0.1; 3678 IO::AIO::max_poll_time $TICK * 0.1;
2916 $AIO_POLL_WATCHER = Event->io ( 3679}
2917 reentrant => 0, 3680
2918 data => WF_AUTOCANCEL, 3681my $_log_backtrace;
2919 fd => IO::AIO::poll_fileno, 3682
2920 poll => 'r', 3683sub _log_backtrace {
2921 prio => 6, 3684 my ($msg, @addr) = @_;
2922 cb => \&IO::AIO::poll_cb, 3685
2923 ); 3686 $msg =~ s/\n//;
3687
3688 # limit the # of concurrent backtraces
3689 if ($_log_backtrace < 2) {
3690 ++$_log_backtrace;
3691 async {
3692 $Coro::current->{desc} = "abt $msg";
3693
3694 my @bt = fork_call {
3695 @addr = map { sprintf "%x", $_ } @addr;
3696 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3697 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3698 or die "addr2line: $!";
3699
3700 my @funcs;
3701 my @res = <$fh>;
3702 chomp for @res;
3703 while (@res) {
3704 my ($func, $line) = splice @res, 0, 2, ();
3705 push @funcs, "[$func] $line";
3706 }
3707
3708 @funcs
3709 };
3710
3711 LOG llevInfo, "[ABT] $msg\n";
3712 LOG llevInfo, "[ABT] $_\n" for @bt;
3713 --$_log_backtrace;
3714 };
3715 } else {
3716 LOG llevInfo, "[ABT] $msg\n";
3717 LOG llevInfo, "[ABT] [suppressed]\n";
3718 }
2924} 3719}
2925 3720
2926# load additional modules 3721# load additional modules
2927use cf::pod; 3722use cf::pod;
2928 3723

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