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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable; 9use EV 1.86;
10use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.61 (); 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 ();
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$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 45
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 47
49our %COMMAND = (); 48our %COMMAND = ();
50our %COMMAND_TIME = (); 49our %COMMAND_TIME = ();
51 50
52our @EXTS = (); # list of extension package names 51our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
56 56
57our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
58our @EVENT; 58our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 70our $BDBDIR = "$LOCALDIR/db";
71our %RESOURCE;
71 72
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER; 74our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 75our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 77our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 78our $USE_FSYNC = 1; # use fsync to write maps - default off
79 79
80our $BDB_POLL_WATCHER; 80our $BDB_POLL_WATCHER;
81our $BDB_DEADLOCK_WATCHER;
82our $BDB_CHECKPOINT_WATCHER;
83our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 84our $DB_ENV;
82 85
83our %CFG; 86our %CFG;
84 87
85our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 89our $RUNTIME;
90our $NOW;
87 91
88our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
91 95
92# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 98
155 159
156The raw value load value from the last tick. 160The raw value load value from the last tick.
157 161
158=item %cf::CFG 162=item %cf::CFG
159 163
160Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 165from wherever your confdir points to.
162 166
163=item cf::wait_for_tick, cf::wait_for_tick_begin 167=item cf::wait_for_tick, cf::wait_for_tick_begin
164 168
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
178
169=back 179=back
170 180
171=cut 181=cut
172 182
173BEGIN { 183BEGIN {
177 $msg .= "\n" 187 $msg .= "\n"
178 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
179 189
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 191
182 utf8::encode $msg;
183 LOG llevError, $msg; 192 LOG llevError, $msg;
184 }; 193 };
185} 194}
195
196$Coro::State::DIEHOOK = sub {
197 return unless $^S eq 0; # "eq", not "=="
198
199 if ($Coro::current == $Coro::main) {#d#
200 warn "DIEHOOK called in main context, Coro bug?\n";#d#
201 return;#d#
202 }#d#
203
204 # kill coroutine otherwise
205 warn Carp::longmess $_[0];
206 Coro::terminate
207};
208
209$SIG{__DIE__} = sub { }; #d#?
186 210
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 215@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
216@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 217@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 218
194# we bless all objects into (empty) derived classes to force a method lookup 219# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 220# within the Safe compartment.
196for my $pkg (qw( 221for my $pkg (qw(
197 cf::global cf::attachable 222 cf::global cf::attachable
202)) { 227)) {
203 no strict 'refs'; 228 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 230}
206 231
207$Event::DIED = sub { 232$EV::DIED = sub {
208 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
209}; 234};
235
236#############################################################################
210 237
211=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
212 239
213=over 4 240=over 4
214 241
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 260 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 261 $d
235 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
236} 263}
237 264
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
241 266
242Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
243 268
244=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
245 270
246Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
272
273=cut
274
275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276
277sub encode_json($) { $json_coder->encode ($_[0]) }
278sub decode_json($) { $json_coder->decode ($_[0]) }
247 279
248=item cf::lock_wait $string 280=item cf::lock_wait $string
249 281
250Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
251 283
254Wait until the given lock is available and then acquires it and returns 286Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 287a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
257returned. 289returned.
258 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
259Lock names should begin with a unique identifier (for example, cf::map::find 294Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 295uses map_find and cf::map::load uses map_load).
261 296
262=item $locked = cf::lock_active $string 297=item $locked = cf::lock_active $string
263 298
264Return true if the lock is currently active, i.e. somebody has locked it. 299Return true if the lock is currently active, i.e. somebody has locked it.
265 300
266=cut 301=cut
267 302
268our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
269 305
270sub lock_wait($) { 306sub lock_wait($) {
271 my ($key) = @_; 307 my ($key) = @_;
308
309 if ($LOCKER{$key} == $Coro::current) {#d#
310 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311 return;#d#
312 }#d#
272 313
273 # wait for lock, if any 314 # wait for lock, if any
274 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 317 Coro::schedule;
282 323
283 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
284 lock_wait $key; 325 lock_wait $key;
285 326
286 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
287 329
288 Coro::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
291 } 334 }
292} 335}
293 336
305 }; 348 };
306 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
307 $guard 350 $guard
308} 351}
309 352
353=item cf::periodic $interval, $cb
354
355Like EV::periodic, but randomly selects a starting point so that the actions
356get spread over timer.
357
358=cut
359
360sub periodic($$) {
361 my ($interval, $cb) = @_;
362
363 my $start = rand List::Util::min 180, $interval;
364
365 EV::periodic $start, $interval, 0, $cb
366}
367
368=item cf::get_slot $time[, $priority[, $name]]
369
370Allocate $time seconds of blocking CPU time at priority C<$priority>:
371This call blocks and returns only when you have at least C<$time> seconds
372of cpu time till the next tick. The slot is only valid till the next cede.
373
374The optional C<$name> can be used to identify the job to run. It might be
375used for statistical purposes and should identify the same time-class.
376
377Useful for short background jobs.
378
379=cut
380
381our @SLOT_QUEUE;
382our $SLOT_QUEUE;
383
384$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385$SLOT_QUEUE = Coro::async {
386 $Coro::current->desc ("timeslot manager");
387
388 my $signal = new Coro::Signal;
389
390 while () {
391 next_job:
392 my $avail = cf::till_tick;
393 if ($avail > 0.01) {
394 for (0 .. $#SLOT_QUEUE) {
395 if ($SLOT_QUEUE[$_][0] < $avail) {
396 my $job = splice @SLOT_QUEUE, $_, 1, ();
397 $job->[2]->send;
398 Coro::cede;
399 goto next_job;
400 }
401 }
402 }
403
404 if (@SLOT_QUEUE) {
405 # we do not use wait_for_tick() as it returns immediately when tick is inactive
406 push @cf::WAIT_FOR_TICK, $signal;
407 $signal->wait;
408 } else {
409 Coro::schedule;
410 }
411 }
412};
413
414sub get_slot($;$$) {
415 my ($time, $pri, $name) = @_;
416
417 $time = $TICK * .6 if $time > $TICK * .6;
418 my $sig = new Coro::Signal;
419
420 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422 $SLOT_QUEUE->ready;
423 $sig->wait;
424}
425
310=item cf::async { BLOCK } 426=item cf::async { BLOCK }
311 427
312Currently the same as Coro::async_pool, meaning you cannot use 428Currently the same as Coro::async_pool, meaning you cannot use
313C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 429C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314thing you are allowed to do is call C<prio> on it. 430thing you are allowed to do is call C<prio> on it.
317 433
318BEGIN { *async = \&Coro::async_pool } 434BEGIN { *async = \&Coro::async_pool }
319 435
320=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
321 437
322The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
325 442
326If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
329fast or be very important. 446fast or be very important.
332 449
333sub sync_job(&) { 450sub sync_job(&) {
334 my ($job) = @_; 451 my ($job) = @_;
335 452
336 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 454 my $time = EV::time;
338 455
339 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
341 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
342 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
343 # (but this is cancel-safe) 462 # (but this is cancel-safe)
344 my $freeze_guard = freeze_mainloop; 463 my $freeze_guard = freeze_mainloop;
345 464
346 my $busy = 1; 465 my $busy = 1;
347 my @res; 466 my @res;
348 467
349 (async { 468 (async {
469 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 470 @res = eval { $job->() };
351 warn $@ if $@; 471 warn $@ if $@;
352 undef $busy; 472 undef $busy;
353 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
354 474
355 while ($busy) { 475 while ($busy) {
356 Coro::cede or Event::one_event; 476 if (Coro::nready) {
477 Coro::cede_notself;
478 } else {
479 EV::loop EV::LOOP_ONESHOT;
357 } 480 }
481 }
358 482
359 $time = Event::time - $time; 483 $time = EV::time - $time;
360 484
361 LOG llevError | logBacktrace, Carp::longmess "long sync job" 485 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; 486 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363 487
364 $tick_start += $time; # do not account sync jobs to server load 488 $tick_start += $time; # do not account sync jobs to server load
389 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
390 514
391 $coro 515 $coro
392} 516}
393 517
394sub write_runtime { 518=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 519
397 # first touch the runtime file to show we are still running: 520Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 521process, returning the results. Everything must be serialisable with
522Coro::Storable. May, of course, block. Note that the executed sub may
523never block itself or use any form of event handling.
399 524
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 525=cut
401 utime undef, undef, $fh; 526
527sub fork_call(&@) {
528 my ($cb, @args) = @_;
529
530 # we seemingly have to make a local copy of the whole thing,
531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
533
534 my @res = Coro::Util::fork_eval {
535 reset_signals;
536 &$cb
537 }, @args;
538
539 wantarray ? @res : $res[-1]
540}
541
542=item $value = cf::db_get $family => $key
543
544Returns a single value from the environment database.
545
546=item cf::db_put $family => $key => $value
547
548Stores the given C<$value> in the family. It can currently store binary
549data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
550
551=item $db = cf::db_table "name"
552
553Create and/or open a new database table. The string must not be "db" and must be unique
554within each server.
555
556=cut
557
558sub db_table($) {
559 my ($name) = @_;
560 my $db = BDB::db_create $DB_ENV;
561
562 eval {
563 $db->set_flags (BDB::CHKSUM);
564
565 utf8::encode $name;
566 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
567 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
568 cf::cleanup "db_open(db): $!" if $!;
402 } 569 };
570 cf::cleanup "db_open(db): $@" if $@;
403 571
404 my $guard = cf::lock_acquire "write_runtime"; 572 $db
573}
405 574
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 575our $DB;
407 or return;
408 576
409 my $value = $cf::RUNTIME + 90 + 10; 577sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 578 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 579 $DB ||= db_table "db";
580 };
581}
412 582
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 583sub db_get($$) {
414 and return; 584 my $key = "$_[0]/$_[1]";
415 585
416 # always fsync - this file is important 586 cf::sync_job {
417 aio_fsync $fh 587 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 588
420 # touch it again to show we are up-to-date 589 $! ? ()
421 utime undef, undef, $fh; 590 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 591 }
592}
593
594sub db_put($$$) {
595 BDB::dbreq_pri 4;
596 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
597}
598
599=item cf::cache $id => [$paths...], $processversion => $process
600
601Generic caching function that returns the value of the resource $id,
602caching and regenerating as required.
603
604This function can block.
605
606=cut
607
608sub cache {
609 my ($id, $src, $processversion, $process) = @_;
610
611 my $meta =
612 join "\x00",
613 $processversion,
614 map {
615 aio_stat $_
616 and Carp::croak "$_: $!";
617
618 ($_, (stat _)[7,9])
619 } @$src;
620
621 my $dbmeta = db_get cache => "$id/meta";
622 if ($dbmeta ne $meta) {
623 # changed, we may need to process
624
625 my @data;
626 my $md5;
627
628 for (0 .. $#$src) {
629 0 <= aio_load $src->[$_], $data[$_]
630 or Carp::croak "$src->[$_]: $!";
631 }
632
633 # if processing is expensive, check
634 # checksum first
635 if (1) {
636 $md5 =
637 join "\x00",
638 $processversion,
639 map {
640 cf::cede_to_tick;
641 ($src->[$_], Digest::MD5::md5_hex $data[$_])
642 } 0.. $#$src;
643
644
645 my $dbmd5 = db_get cache => "$id/md5";
646 if ($dbmd5 eq $md5) {
647 db_put cache => "$id/meta", $meta;
648
649 return db_get cache => "$id/data";
650 }
651 }
652
653 my $t1 = Time::HiRes::time;
654 my $data = $process->(\@data);
655 my $t2 = Time::HiRes::time;
656
657 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
658
659 db_put cache => "$id/data", $data;
660 db_put cache => "$id/md5" , $md5;
661 db_put cache => "$id/meta", $meta;
662
663 return $data;
664 }
665
666 db_get cache => "$id/data"
432} 667}
433 668
434=item cf::datalog type => key => value, ... 669=item cf::datalog type => key => value, ...
435 670
436Log a datalog packet of the given type with the given key-value pairs. 671Log a datalog packet of the given type with the given key-value pairs.
454attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
456 691
457In the following description, CLASS can be any of C<global>, C<object> 692In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 693C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 694Deliantra).
460 695
461=over 4 696=over 4
462 697
463=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
464 699
666 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
667 } 902 }
668 903
669 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
670 } else { 905 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 907 }
673 908
674 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
675} 910}
676 911
716 "; 951 ";
717 die if $@; 952 die if $@;
718} 953}
719 954
720our $override; 955our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 956our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 957
723sub override { 958sub override {
724 $override = 1; 959 $override = 1;
725 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
726} 961}
727 962
728sub do_invoke { 963sub do_invoke {
729 my $event = shift; 964 my $event = shift;
730 my $callbacks = shift; 965 my $callbacks = shift;
731 966
732 @invoke_results = (); 967 @INVOKE_RESULTS = ();
733 968
734 local $override; 969 local $override;
735 970
736 for (@$callbacks) { 971 for (@$callbacks) {
737 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
746 } 981 }
747 982
748 0 983 0
749} 984}
750 985
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 987
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 989
755Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
756 991
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 992This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 993removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 995
761=back 996=back
762 997
763=cut 998=cut
764 999
765############################################################################# 1000#############################################################################
766# object support 1001# object support
1002
1003sub _object_equal($$);
1004sub _object_equal($$) {
1005 my ($a, $b) = @_;
1006
1007 return 0 unless (ref $a) eq (ref $b);
1008
1009 if ("HASH" eq ref $a) {
1010 my @ka = keys %$a;
1011 my @kb = keys %$b;
1012
1013 return 0 if @ka != @kb;
1014
1015 for (0 .. $#ka) {
1016 return 0 unless $ka[$_] eq $kb[$_];
1017 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1018 }
1019
1020 } elsif ("ARRAY" eq ref $a) {
1021
1022 return 0 if @$a != @$b;
1023
1024 for (0 .. $#$a) {
1025 return 0 unless _object_equal $a->[$_], $b->[$_];
1026 }
1027
1028 } elsif ($a ne $b) {
1029 return 0;
1030 }
1031
1032 1
1033}
1034
1035our $SLOW_MERGES;#d#
1036sub _can_merge {
1037 my ($ob1, $ob2) = @_;
1038
1039 ++$SLOW_MERGES;#d#
1040
1041 # we do the slow way here
1042 return _object_equal $ob1, $ob2
1043}
767 1044
768sub reattach { 1045sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1047 my ($obj) = @_;
771 1048
792cf::attachable->attach ( 1069cf::attachable->attach (
793 prio => -1000000, 1070 prio => -1000000,
794 on_instantiate => sub { 1071 on_instantiate => sub {
795 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
796 1073
797 $data = from_json $data; 1074 $data = decode_json $data;
798 1075
799 for (@$data) { 1076 for (@$data) {
800 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
801 1078
802 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
818sub object_freezer_save { 1095sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
820 1097
821 sync_job { 1098 sync_job {
822 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
825 1103
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1107 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1108 close $fh;
831 1109
832 if (@$objs) { 1110 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1111 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1115 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1116 close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
840 } 1118 }
848 } 1126 }
849 } else { 1127 } else {
850 aio_unlink $filename; 1128 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
852 } 1130 }
853 } 1131 };
854} 1132}
855 1133
856sub object_freezer_as_string { 1134sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
858 1136
870 or return; 1148 or return;
871 1149
872 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
874 or return; 1152 or return;
1153
875 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
876 } 1156 }
877 1157
1158 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
880 return ($data, $av); 1162 ($data, $av)
881} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
882 1170
883############################################################################# 1171#############################################################################
884# command handling &c 1172# command handling &c
885 1173
886=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1188}
901 1189
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1191
904Register a callbackf ro execution when the client sends an extcmd packet. 1192Register a callback for execution when the client sends an (synchronous)
1193extcmd packet. Ext commands will be processed in the order they are
1194received by the server, like other user commands. The first argument is
1195the logged-in player. Ext commands can only be processed after a player
1196has logged in successfully.
905 1197
906If the callback returns something, it is sent back as if reply was being 1198If the callback returns something, it is sent back as if reply was being
907called. 1199called.
908 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
909=cut 1212=cut
910 1213
911sub register_extcmd { 1214sub register_extcmd {
912 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
913 1216
914 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
915} 1224}
916 1225
917cf::player->attach ( 1226cf::player->attach (
918 on_command => sub { 1227 on_command => sub {
919 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
928 cf::override; 1237 cf::override;
929 }, 1238 },
930 on_extcmd => sub { 1239 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
932 1241
933 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1243
935 if (ref $msg) { 1244 if (ref $msg) {
1245 my ($type, $reply, @payload) =
1246 "ARRAY" eq ref $msg
1247 ? @$msg
1248 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1249
1250 my @reply;
1251
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
941 } else { 1259 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1261 }
944 1262
945 cf::override; 1263 cf::override;
946 }, 1264 },
947); 1265);
948 1266
949sub load_extension {
950 my ($path) = @_;
951
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
953 my $base = $1;
954 my $pkg = $1;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 }
977 die $@;
978 }
979
980 push @EXTS, $pkg;
981}
982
983sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
984 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1272 next unless -r $path;
986 eval { 1273
987 load_extension $ext; 1274 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1275 my $base = $1;
1276 my $pkg = $1;
1277 $pkg =~ s/[^[:word:]]/_/g;
1278 $pkg = "ext::$pkg";
1279
1280 open my $fh, "<:utf8", $path
1281 or die "$path: $!";
1282
1283 my $source = do { local $/; <$fh> };
1284
1285 my %ext = (
1286 path => $path,
1287 base => $base,
1288 pkg => $pkg,
1289 );
1290
1291 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293
1294 $ext{source} =
1295 "package $pkg; use strict; use utf8;\n"
1296 . "#line 1 \"$path\"\n{\n"
1297 . $source
1298 . "\n};\n1";
1299
1300 $todo{$base} = \%ext;
1301 }
1302
1303 my %done;
1304 while (%todo) {
1305 my $progress;
1306
1307 while (my ($k, $v) = each %todo) {
1308 for (split /,\s*/, $v->{meta}{depends}) {
1309 goto skip
1310 unless exists $done{$_};
1311 }
1312
1313 warn "... loading '$k' into '$v->{pkg}'\n";
1314
1315 unless (eval $v->{source}) {
1316 my $msg = $@ ? "$v->{path}: $@\n"
1317 : "$v->{base}: extension inactive.\n";
1318
1319 if (exists $v->{meta}{mandatory}) {
1320 warn $msg;
1321 cf::cleanup "mandatory extension failed to load, exiting.";
1322 }
1323
1324 warn $msg;
1325 }
1326
1327 $done{$k} = delete $todo{$k};
1328 push @EXTS, $v->{pkg};
1329 $progress = 1;
988 1 1330 }
989 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
990 } 1336 };
991} 1337}
992 1338
993############################################################################# 1339#############################################################################
994 1340
1341=back
1342
995=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
996 1344
997Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
998 1346
999=cut 1347=cut
1003use Coro::AIO; 1351use Coro::AIO;
1004 1352
1005=head3 cf::player 1353=head3 cf::player
1006 1354
1007=over 4 1355=over 4
1356
1357=item cf::player::num_playing
1358
1359Returns the official number of playing players, as per the Crossfire metaserver rules.
1360
1361=cut
1362
1363sub num_playing {
1364 scalar grep
1365 $_->ob->map
1366 && !$_->hidden
1367 && !$_->ob->flag (cf::FLAG_WIZ),
1368 cf::player::list
1369}
1008 1370
1009=item cf::player::find $login 1371=item cf::player::find $login
1010 1372
1011Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
1012 1374
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1413 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1414
1053 my $pl = load_pl path $login 1415 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1416 or return;
1417
1418 my $pl = cf::player::load_pl $f
1419 or return;
1420 local $cf::PLAYER_LOADING{$login} = $pl;
1421 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
1056 } 1423 }
1057 } 1424 }
1058} 1425}
1059 1426
1069 1436
1070 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
1072 1439
1073 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
1074 Coro::cede; 1441 cf::cede_to_tick;
1075} 1442}
1076 1443
1077sub new($) { 1444sub new($) {
1078 my ($login) = @_; 1445 my ($login) = @_;
1079 1446
1083 $self->{deny_save} = 1; 1450 $self->{deny_save} = 1;
1084 1451
1085 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
1086 1453
1087 $self 1454 $self
1455}
1456
1457=item $player->send_msg ($channel, $msg, $color, [extra...])
1458
1459=cut
1460
1461sub send_msg {
1462 my $ns = shift->ns
1463 or return;
1464 $ns->send_msg (@_);
1088} 1465}
1089 1466
1090=item $pl->quit_character 1467=item $pl->quit_character
1091 1468
1092Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
1147 or return []; 1524 or return [];
1148 1525
1149 my @logins; 1526 my @logins;
1150 1527
1151 for my $login (@$dirs) { 1528 for my $login (@$dirs) {
1529 my $path = path $login;
1530
1531 # a .pst is a dead give-away for a valid player
1532 unless (-e "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1155 1537
1156 utf8::decode $login; 1538 utf8::decode $login;
1157 push @logins, $login; 1539 push @logins, $login;
1158 } 1540 }
1159 1541
1186 } 1568 }
1187 1569
1188 \@paths 1570 \@paths
1189} 1571}
1190 1572
1573=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1574
1575Expand crossfire pod fragments into protocol xml.
1576
1577=cut
1578
1579use re 'eval';
1580
1581my $group;
1582my $interior; $interior = qr{
1583 # match a pod interior sequence sans C<< >>
1584 (?:
1585 \ (.*?)\ (?{ $group = $^N })
1586 | < (??{$interior}) >
1587 )
1588}x;
1589
1590sub expand_cfpod {
1591 my ($self, $pod) = @_;
1592
1593 my $xml;
1594
1595 while () {
1596 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1597 $group = $1;
1598
1599 $group =~ s/&/&amp;/g;
1600 $group =~ s/</&lt;/g;
1601
1602 $xml .= $group;
1603 } elsif ($pod =~ m%\G
1604 ([BCGHITU])
1605 <
1606 (?:
1607 ([^<>]*) (?{ $group = $^N })
1608 | < $interior >
1609 )
1610 >
1611 %gcsx
1612 ) {
1613 my ($code, $data) = ($1, $group);
1614
1615 if ($code eq "B") {
1616 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1617 } elsif ($code eq "I") {
1618 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1619 } elsif ($code eq "U") {
1620 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1621 } elsif ($code eq "C") {
1622 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1623 } elsif ($code eq "T") {
1624 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1625 } elsif ($code eq "G") {
1626 my ($male, $female) = split /\|/, $data;
1627 $data = $self->gender ? $female : $male;
1628 $xml .= expand_cfpod ($self, $data);
1629 } elsif ($code eq "H") {
1630 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1631 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1632 "")
1633 [$self->{hintmode}];
1634 } else {
1635 $xml .= "error processing '$code($data)' directive";
1636 }
1637 } else {
1638 if ($pod =~ /\G(.+)/) {
1639 warn "parse error while expanding $pod (at $1)";
1640 }
1641 last;
1642 }
1643 }
1644
1645 for ($xml) {
1646 # create single paragraphs (very hackish)
1647 s/(?<=\S)\n(?=\w)/ /g;
1648
1649 # compress some whitespace
1650 s/\s+\n/\n/g; # ws line-ends
1651 s/\n\n+/\n/g; # double lines
1652 s/^\n+//; # beginning lines
1653 s/\n+$//; # ending lines
1654 }
1655
1656 $xml
1657}
1658
1659no re 'eval';
1660
1661sub hintmode {
1662 $_[0]{hintmode} = $_[1] if @_ > 1;
1663 $_[0]{hintmode}
1664}
1665
1191=item $player->ext_reply ($msgid, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1192 1667
1193Sends an ext reply to the player. 1668Sends an ext reply to the player.
1194 1669
1195=cut 1670=cut
1196 1671
1197sub ext_reply($$%) { 1672sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1199 1674
1200 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1676}
1204 1677
1205=item $player->ext_event ($type, %msg) 1678=item $player->ext_msg ($type, @msg)
1206 1679
1207Sends an ext event to the client. 1680Sends an ext event to the client.
1208 1681
1209=cut 1682=cut
1210 1683
1211sub ext_event($$%) { 1684sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1685 my ($self, $type, @msg) = @_;
1213 1686
1214 $self->ns->ext_event ($type, %msg); 1687 $self->ns->ext_msg ($type, @msg);
1215} 1688}
1216 1689
1217=head3 cf::region 1690=head3 cf::region
1218 1691
1219=over 4 1692=over 4
1222 1695
1223package cf::region; 1696package cf::region;
1224 1697
1225=item cf::region::find_by_path $path 1698=item cf::region::find_by_path $path
1226 1699
1227Tries to decuce the probable region for a map knowing only its path. 1700Tries to decuce the likely region for a map knowing only its path.
1228 1701
1229=cut 1702=cut
1230 1703
1231sub find_by_path($) { 1704sub find_by_path($) {
1232 my ($path) = @_; 1705 my ($path) = @_;
1233 1706
1234 my ($match, $specificity); 1707 my ($match, $specificity);
1235 1708
1236 for my $region (list) { 1709 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1710 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1711 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1712 if $region->specificity > $specificity;
1240 } 1713 }
1241 } 1714 }
1242 1715
1306 my ($self, $merge) = @_; 1779 my ($self, $merge) = @_;
1307 1780
1308 # we have to keep some variables in memory intact 1781 # we have to keep some variables in memory intact
1309 local $self->{path}; 1782 local $self->{path};
1310 local $self->{load_path}; 1783 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1784
1314 $self->SUPER::thawer_merge ($merge); 1785 $self->SUPER::thawer_merge ($merge);
1315} 1786}
1316 1787
1317sub normalise { 1788sub normalise {
1364 $self->init; # pass $1 etc. 1835 $self->init; # pass $1 etc.
1365 return $self; 1836 return $self;
1366 } 1837 }
1367 } 1838 }
1368 1839
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1841 ()
1371} 1842}
1372 1843
1373sub init { 1844sub init {
1374 my ($self) = @_; 1845 my ($self) = @_;
1417 1888
1418 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1420} 1891}
1421 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1422sub unlink_save { 1901sub unlink_save {
1423 my ($self) = @_; 1902 my ($self) = @_;
1424 1903
1425 utf8::encode (my $save = $self->save_path); 1904 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1429 1908
1430sub load_header_from($) { 1909sub load_header_from($) {
1431 my ($self, $path) = @_; 1910 my ($self, $path) = @_;
1432 1911
1433 utf8::encode $path; 1912 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1914 or return;
1915
1916 $self->_load_header ($f)
1917 or return;
1918
1919 local $MAP_LOADING{$self->{path}} = $self;
1920 $f->resolve_delayed_derefs;
1439 1921
1440 $self->{load_path} = $path; 1922 $self->{load_path} = $path;
1441 1923
1442 1 1924 1
1443} 1925}
1482 $self->load_header_orig 1964 $self->load_header_orig
1483 or return; 1965 or return;
1484 $self->prepare_orig; 1966 $self->prepare_orig;
1485 } 1967 }
1486 1968
1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1971
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1972 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1973 unless $self->default_region;
1489 1974
1490 1 1975 1
1491} 1976}
1494sub find { 1979sub find {
1495 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1496 1981
1497 $path = normalise $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1498 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1985 cf::lock_wait "map_find:$path";
1500 1986
1501 $cf::MAP{$path} || do { 1987 $cf::MAP{$path} || do {
1502 my $guard = cf::lock_acquire "map_find:$path"; 1988 my $guard1 = cf::lock_acquire "map_find:$path";
1989 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1990
1503 my $map = new_from_path cf::map $path 1991 my $map = new_from_path cf::map $path
1504 or return; 1992 or return;
1505 1993
1506 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1507 1995
1508 $map->load_header 1996 $map->load_header
1509 or return; 1997 or return;
1510 1998
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 2000 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1514 $map->reset; 2004 $map->reset;
1515 undef $guard;
1516 return find $path; 2005 return find $path;
1517 } 2006 }
1518 2007
1519 $cf::MAP{$path} = $map 2008 $cf::MAP{$path} = $map
1520 } 2009 }
1529 local $self->{deny_reset} = 1; # loading can take a long time 2018 local $self->{deny_reset} = 1; # loading can take a long time
1530 2019
1531 my $path = $self->{path}; 2020 my $path = $self->{path};
1532 2021
1533 { 2022 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2023 my $guard = cf::lock_acquire "map_data:$path";
1535 2024
2025 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2027
1538 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1539 2029
1540 $self->alloc; 2030 $self->alloc;
1541 2031
1542 $self->pre_load; 2032 $self->pre_load;
1543 Coro::cede; 2033 cf::cede_to_tick;
1544 2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2037 $self->_load_objects ($f)
1546 or return; 2038 or return;
1547 2039
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1550 2042
1551 if (my $uniq = $self->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2044 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2047 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1556 } 2051 }
1557 } 2052 }
1558 2053
1559 Coro::cede; 2054 $f->resolve_delayed_derefs;
2055
2056 cf::cede_to_tick;
1560 # now do the right thing for maps 2057 # now do the right thing for maps
1561 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2060 unless $self->difficulty;
1564 Coro::cede; 2061 cf::cede_to_tick;
1565 2062
1566 unless ($self->{deny_activate}) { 2063 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2064 $self->decay_objects;
1568 $self->fix_auto_apply; 2065 $self->fix_auto_apply;
1569 $self->update_buttons; 2066 $self->update_buttons;
1570 Coro::cede; 2067 cf::cede_to_tick;
1571 $self->set_darkness_map; 2068 $self->set_darkness_map;
1572 Coro::cede; 2069 cf::cede_to_tick;
1573 $self->activate; 2070 $self->activate;
1574 } 2071 }
2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
1575 2075
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
1577 } 2077 }
1578 2078
1579 $self->post_load; 2079 $self->post_load;
1583 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1584 2084
1585 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2086 if $self->per_player;
1587 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1588 $self 2091 $self
1589} 2092}
1590 2093
1591# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2095sub load_neighbours {
1593 my ($map) = @_; 2096 my ($map) = @_;
1594 2097
1595 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1596 2099
1597 for (0 .. 3) { 2100 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1599 or next; 2102 or next;
1600 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1601 or next; 2104 or next;
1602 $neigh->load; 2105 $neigh->load;
1603 2106
2107 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2110 }
1607 2111
1608 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1610 or next; 2115 or next;
1611 $neigh->load; 2116 $neigh->load;
1612 } 2117 }
1613} 2118}
1614 2119
1619} 2124}
1620 2125
1621sub do_load_sync { 2126sub do_load_sync {
1622 my ($map) = @_; 2127 my ($map) = @_;
1623 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1624 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1625} 2133}
1626 2134
1627our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1629 2137
1630sub find_async { 2138sub find_async {
1631 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1632 2140
1633 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1634 2142
1635 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637 } 2145 }
1638 2146
1639 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1640 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1641 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2154 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2155 $map->load if $v;
2156 }
1646 2157
1647 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1648 } 2159 }
1649 } 2160 }
1650 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1651 }; 2162 };
1652 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
1655} 2166}
1656 2167
1657sub save { 2168sub save {
1658 my ($self) = @_; 2169 my ($self) = @_;
1659 2170
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2172
1662 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1663 2174
1664 return unless $self->dirty; 2175 return unless $self->dirty;
1665 2176
1671 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1672 2183
1673 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1674 2185
1675 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1677 }; 2189 };
1678 2190
1679 if ($uniq) { 2191 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1688 my ($self) = @_; 2200 my ($self) = @_;
1689 2201
1690 # save first because save cedes 2202 # save first because save cedes
1691 $self->save; 2203 $self->save;
1692 2204
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2206
1695 return if $self->players; 2207 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1697 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1698 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2215 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2216}
1702 2217
1703sub reset_at { 2218sub reset_at {
1704 my ($self) = @_; 2219 my ($self) = @_;
1705 2220
1706 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1709 2223
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2226
1723 my ($self) = @_; 2237 my ($self) = @_;
1724 2238
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2240
1727 return if $self->players; 2241 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2242
1730 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
1731 2244
1732 $self->in_memory (cf::MAP_SWAPPED); 2245 $self->in_memory (cf::MAP_SWAPPED);
1733 2246
1734 # need to save uniques path 2247 # need to save uniques path
1735 unless ($self->{deny_save}) { 2248 unless ($self->{deny_save}) {
1739 if $uniq; 2252 if $uniq;
1740 } 2253 }
1741 2254
1742 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1743 2256
2257 $self->deactivate;
2258 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2259 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2260
1748 $self->unlink_save; 2261 $self->unlink_save;
1749 $self->destroy; 2262 $self->destroy;
1750} 2263}
1751 2264
1752my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1753 2266
1754sub nuke { 2267sub nuke {
1755 my ($self) = @_; 2268 my ($self) = @_;
1756 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
1757 delete $cf::MAP{$self->path}; 2273 delete $cf::MAP{$self->path};
1758 2274
1759 $self->unlink_save; 2275 $self->unlink_save;
1760 2276
1761 bless $self, "cf::map"; 2277 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2278 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2282
1767 $cf::MAP{$self->path} = $self; 2283 $cf::MAP{$self->path} = $self;
2284 }
1768 2285
1769 $self->reset; # polite request, might not happen 2286 $self->reset; # polite request, might not happen
2287}
2288
2289=item $maps = cf::map::tmp_maps
2290
2291Returns an arrayref with all map paths of currently instantiated and saved
2292maps. May block.
2293
2294=cut
2295
2296sub tmp_maps() {
2297 [
2298 map {
2299 utf8::decode $_;
2300 /\.map$/
2301 ? normalise $_
2302 : ()
2303 } @{ aio_readdir $TMPDIR or [] }
2304 ]
2305}
2306
2307=item $maps = cf::map::random_maps
2308
2309Returns an arrayref with all map paths of currently instantiated and saved
2310random maps. May block.
2311
2312=cut
2313
2314sub random_maps() {
2315 [
2316 map {
2317 utf8::decode $_;
2318 /\.map$/
2319 ? normalise "?random/$_"
2320 : ()
2321 } @{ aio_readdir $RANDOMDIR or [] }
2322 ]
1770} 2323}
1771 2324
1772=item cf::map::unique_maps 2325=item cf::map::unique_maps
1773 2326
1774Returns an arrayref of paths of all shared maps that have 2327Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2328instantiated unique items. May block.
1776 2329
1777=cut 2330=cut
1778 2331
1779sub unique_maps() { 2332sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2333 [
1781 or return; 2334 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2335 utf8::decode $_;
1787 next if /\.pst$/; 2336 /\.map$/
1788 next unless /^$PATH_SEP/o; 2337 ? normalise $_
1789 2338 : ()
1790 push @paths, cf::map::normalise $_; 2339 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2340 ]
1792
1793 \@paths
1794} 2341}
1795 2342
1796package cf; 2343package cf;
1797 2344
1798=back 2345=back
1816 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1817} 2364}
1818 2365
1819sub inv_recursive { 2366sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2367 inv_recursive_ inv $_[0]
2368}
2369
2370=item $ref = $ob->ref
2371
2372creates and returns a persistent reference to an objetc that can be stored as a string.
2373
2374=item $ob = cf::object::deref ($refstring)
2375
2376returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2377even if the object actually exists. May block.
2378
2379=cut
2380
2381sub deref {
2382 my ($ref) = @_;
2383
2384 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2385 my ($uuid, $name) = ($1, $2);
2386 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2387 or return;
2388 $pl->ob->uuid eq $uuid
2389 or return;
2390
2391 $pl->ob
2392 } else {
2393 warn "$ref: cannot resolve object reference\n";
2394 undef
2395 }
1821} 2396}
1822 2397
1823package cf; 2398package cf;
1824 2399
1825=back 2400=back
1844 2419
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2421
1847 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1849 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1852 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1853} 2447}
1854 2448
1855=item $player_object->may ("access") 2449=item $player_object->may ("access")
1856 2450
1857Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
1904 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1905 2499
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2501
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1910 2504
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2506}
1913 2507
1914sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1916 2512
1917 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1918 2514
1919 unless ($map) { 2515 unless ($map) {
1920 # restore original map position 2516 # restore original map position
1934 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1937 2533
1938 $map->load; 2534 $map->load;
1939 $map->load_diag; 2535 $map->load_neighbours;
1940 2536
1941 return unless $self->contr->active; 2537 return unless $self->contr->active;
1942 $self->activate_recursive; 2538 $self->activate_recursive;
1943 2539
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1946} 2542}
1947 2543
1948cf::player->attach (
1949 on_logout => sub {
1950 my ($pl) = @_;
1951
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2545
1982Moves the player to the given map-path and coordinates by first freezing 2546Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2547her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2548that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2549the new (success) or old (failed) map position. In either case, $done will
2550be called at the end of this process.
1986 2551
1987=cut 2552=cut
2553
2554our $GOTOGEN;
1988 2555
1989sub cf::object::player::goto { 2556sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2557 my ($self, $path, $x, $y, $check, $done) = @_;
1991 2558
1992 #d# #TODO# 2559 # do generation counting so two concurrent goto's will be executed in-order
1993 if ($check && !ref $check) { 2560 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1994 warn Carp::longmess "goto called with non-ref check argument";#d#
1995 undef $check;
1996 }
1997 2561
1998 $self->enter_link; 2562 $self->enter_link;
1999 2563
2000 (async { 2564 (async {
2565 $Coro::current->{desc} = "player::goto $path $x $y";
2566
2567 # *tag paths override both path and x|y
2568 if ($path =~ /^\*(.*)$/) {
2569 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2570 my $ob = $obs[rand @obs];
2571
2572 # see if we actually can go there
2573 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2574 $ob = $obs[rand @obs];
2575 } else {
2576 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2577 }
2578 # else put us there anyways for now #d#
2579
2580 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2581 } else {
2582 ($path, $x, $y) = (undef, undef, undef);
2583 }
2584 }
2585
2001 my $map = eval { 2586 my $map = eval {
2002 my $map = cf::map::find $path; 2587 my $map = defined $path ? cf::map::find $path : undef;
2003 2588
2004 if ($map) { 2589 if ($map) {
2005 $map = $map->customise_for ($self); 2590 $map = $map->customise_for ($self);
2006 $map = $check->($map) if $check && $map; 2591 $map = $check->($map) if $check && $map;
2007 } else { 2592 } else {
2008 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2593 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009 } 2594 }
2010 2595
2011 $map 2596 $map
2012 }; 2597 };
2013 2598
2014 if ($@) { 2599 if ($@) {
2015 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2600 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016 LOG llevError | logBacktrace, Carp::longmess $@; 2601 LOG llevError | logBacktrace, Carp::longmess $@;
2017 } 2602 }
2018 2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
2019 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
2020 })->prio (1); 2610 })->prio (1);
2021} 2611}
2022 2612
2023=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
2024 2614
2061 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2062 } 2652 }
2063 2653
2064 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
2065 2655
2066 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
2067 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2068 my $meta = "$RANDOMDIR/$md5.meta"; 2658 my $meta = "$RANDOMDIR/$md5.meta";
2069 2659
2070 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
2093 my $hp = $exit->stats->hp; 2683 my $hp = $exit->stats->hp;
2094 my $sp = $exit->stats->sp; 2684 my $sp = $exit->stats->sp;
2095 2685
2096 $self->enter_link; 2686 $self->enter_link;
2097 2687
2688 # if exit is damned, update players death & WoR home-position
2689 $self->contr->savebed ($slaying, $hp, $sp)
2690 if $exit->flag (FLAG_DAMNED);
2691
2098 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
2099 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
2100 unless (eval { 2696 unless (eval {
2101 $self->goto ($slaying, $hp, $sp); 2697 $self->goto ($slaying, $hp, $sp);
2102 2698
2103 1; 2699 1;
2129 2725
2130 utf8::encode $text; 2726 utf8::encode $text;
2131 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2727 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2132} 2728}
2133 2729
2730=item $client->send_msg ($channel, $msg, $color, [extra...])
2731
2732Send a drawinfo or msg packet to the client, formatting the msg for the
2733client if neccessary. C<$type> should be a string identifying the type of
2734the message, with C<log> being the default. If C<$color> is negative, suppress
2735the message unless the client supports the msg packet.
2736
2737=cut
2738
2739# non-persistent channels (usually the info channel)
2740our %CHANNEL = (
2741 "c/identify" => {
2742 id => "infobox",
2743 title => "Identify",
2744 reply => undef,
2745 tooltip => "Items recently identified",
2746 },
2747 "c/examine" => {
2748 id => "infobox",
2749 title => "Examine",
2750 reply => undef,
2751 tooltip => "Signs and other items you examined",
2752 },
2753 "c/book" => {
2754 id => "infobox",
2755 title => "Book",
2756 reply => undef,
2757 tooltip => "The contents of a note or book",
2758 },
2759 "c/lookat" => {
2760 id => "infobox",
2761 title => "Look",
2762 reply => undef,
2763 tooltip => "What you saw there",
2764 },
2765 "c/who" => {
2766 id => "infobox",
2767 title => "Players",
2768 reply => undef,
2769 tooltip => "Shows players who are currently online",
2770 },
2771 "c/body" => {
2772 id => "infobox",
2773 title => "Body Parts",
2774 reply => undef,
2775 tooltip => "Shows which body parts you posess and are available",
2776 },
2777 "c/uptime" => {
2778 id => "infobox",
2779 title => "Uptime",
2780 reply => undef,
2781 tooltip => "How long the server has been running since last restart",
2782 },
2783 "c/mapinfo" => {
2784 id => "infobox",
2785 title => "Map Info",
2786 reply => undef,
2787 tooltip => "Information related to the maps",
2788 },
2789);
2790
2791sub cf::client::send_msg {
2792 my ($self, $channel, $msg, $color, @extra) = @_;
2793
2794 $msg = $self->pl->expand_cfpod ($msg);
2795
2796 $color &= cf::NDI_CLIENT_MASK; # just in case...
2797
2798 # check predefined channels, for the benefit of C
2799 if ($CHANNEL{$channel}) {
2800 $channel = $CHANNEL{$channel};
2801
2802 $self->ext_msg (channel_info => $channel)
2803 if $self->can_msg;
2804
2805 $channel = $channel->{id};
2806
2807 } elsif (ref $channel) {
2808 # send meta info to client, if not yet sent
2809 unless (exists $self->{channel}{$channel->{id}}) {
2810 $self->{channel}{$channel->{id}} = $channel;
2811 $self->ext_msg (channel_info => $channel)
2812 if $self->can_msg;
2813 }
2814
2815 $channel = $channel->{id};
2816 }
2817
2818 return unless @extra || length $msg;
2819
2820 if ($self->can_msg) {
2821 # default colour, mask it out
2822 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2823 if $color & cf::NDI_DEF;
2824
2825 $self->send_packet ("msg " . $self->{json_coder}->encode (
2826 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2827 } else {
2828 if ($color >= 0) {
2829 # replace some tags by gcfclient-compatible ones
2830 for ($msg) {
2831 1 while
2832 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2833 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2834 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2835 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2836 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2837 }
2838
2839 $color &= cf::NDI_COLOR_MASK;
2840
2841 utf8::encode $msg;
2842
2843 if (0 && $msg =~ /\[/) {
2844 # COMMAND/INFO
2845 $self->send_packet ("drawextinfo $color 10 8 $msg")
2846 } else {
2847 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2848 $self->send_packet ("drawinfo $color $msg")
2849 }
2850 }
2851 }
2852}
2853
2134=item $client->ext_event ($type, %msg) 2854=item $client->ext_msg ($type, @msg)
2135 2855
2136Sends an exti event to the client. 2856Sends an ext event to the client.
2137 2857
2138=cut 2858=cut
2139 2859
2140sub cf::client::ext_event($$%) { 2860sub cf::client::ext_msg($$@) {
2141 my ($self, $type, %msg) = @_; 2861 my ($self, $type, @msg) = @_;
2142 2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2143 $msg{msgtype} = "event_$type"; 2866 push @msg, msgtype => "event_$type";
2144 $self->send_packet ("ext " . cf::to_json \%msg); 2867 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2868 }
2869}
2870
2871=item $client->ext_reply ($msgid, @msg)
2872
2873Sends an ext reply to the client.
2874
2875=cut
2876
2877sub cf::client::ext_reply($$@) {
2878 my ($self, $id, @msg) = @_;
2879
2880 if ($self->extcmd == 2) {
2881 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2882 } elsif ($self->extcmd == 1) {
2883 #TODO: version 1, remove
2884 unshift @msg, msgtype => "reply", msgid => $id;
2885 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2886 }
2145} 2887}
2146 2888
2147=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
2148 2890
2149Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
2150the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2892the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2151C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2893C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2152 2894
2153Queries can fail, so check the return code. Or don't, as queries will become 2895Queries can fail, so check the return code. Or don't, as queries will
2154reliable at some point in the future. 2896become reliable at some point in the future.
2155 2897
2156=cut 2898=cut
2157 2899
2158sub cf::client::query { 2900sub cf::client::query {
2159 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
2167 utf8::encode $text; 2909 utf8::encode $text;
2168 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169 2911
2170 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
2171 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
2172} 2916}
2173 2917
2174cf::client->attach ( 2918cf::client->attach (
2919 on_connect => sub {
2920 my ($ns) = @_;
2921
2922 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2923 },
2175 on_reply => sub { 2924 on_reply => sub {
2176 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
2177 2926
2178 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
2179 # get handled first 2928 # get handled first
2191 } else { 2940 } else {
2192 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193 } 2942 }
2194 } 2943 }
2195 }, 2944 },
2945 on_exticmd => sub {
2946 my ($ns, $buf) = @_;
2947
2948 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2949
2950 if (ref $msg) {
2951 my ($type, $reply, @payload) =
2952 "ARRAY" eq ref $msg
2953 ? @$msg
2954 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2955
2956 my @reply;
2957
2958 if (my $cb = $EXTICMD{$type}) {
2959 @reply = $cb->($ns, @payload);
2960 }
2961
2962 $ns->ext_reply ($reply, @reply)
2963 if $reply;
2964
2965 } else {
2966 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2967 }
2968
2969 cf::override;
2970 },
2196); 2971);
2197 2972
2198=item $client->async (\&cb) 2973=item $client->async (\&cb)
2199 2974
2200Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
2241our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
2242our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
2243 3018
2244$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
2245 3020
2246$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3021$safe->permit_only (Opcode::opset qw(
3022 :base_core :base_mem :base_orig :base_math
3023 grepstart grepwhile mapstart mapwhile
3024 sort time
3025));
2247 3026
2248# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
2249 3028
2250=pod 3029=pod
2251 3030
2252The following functions and methods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
2253 3032
2254 cf::object contr pay_amount pay_player map 3033 cf::object
3034 contr pay_amount pay_player map x y force_find force_add destroy
3035 insert remove name archname title slaying race decrease_ob_nr
3036
2255 cf::object::player player 3037 cf::object::player
2256 cf::player peaceful 3038 player
2257 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2258 3045
2259=cut 3046=cut
2260 3047
2261for ( 3048for (
2262 ["cf::object" => qw(contr pay_amount pay_player map)], 3049 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3050 insert remove inv name archname title slaying race
3051 decrease_ob_nr destroy)],
2263 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2264 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2265 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2266) { 3055) {
2267 no strict 'refs'; 3056 no strict 'refs';
2338=back 3127=back
2339 3128
2340=cut 3129=cut
2341 3130
2342############################################################################# 3131#############################################################################
2343
2344=head2 EXTENSION DATABASE SUPPORT
2345
2346Crossfire maintains a very simple database for extension use. It can
2347currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348convert to/from binary).
2349
2350The parameter C<$family> should best start with the name of the extension
2351using it, it should be unique.
2352
2353=over 4
2354
2355=item $value = cf::db_get $family => $key
2356
2357Returns a single value from the database.
2358
2359=item cf::db_put $family => $key => $value
2360
2361Stores the given C<$value> in the family.
2362
2363=cut
2364
2365our $DB;
2366
2367sub db_init {
2368 unless ($DB) {
2369 $DB = BDB::db_create $DB_ENV;
2370
2371 cf::sync_job {
2372 eval {
2373 $DB->set_flags (BDB::CHKSUM);
2374
2375 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377 cf::cleanup "db_open(db): $!" if $!;
2378 };
2379 cf::cleanup "db_open(db): $@" if $@;
2380 };
2381 }
2382}
2383
2384sub db_get($$) {
2385 my $key = "$_[0]/$_[1]";
2386
2387 cf::sync_job {
2388 BDB::db_get $DB, undef, $key, my $data;
2389
2390 $! ? ()
2391 : $data
2392 }
2393}
2394
2395sub db_put($$$) {
2396 BDB::dbreq_pri 4;
2397 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398}
2399
2400=item cf::cache $id => [$paths...], $processversion => $process
2401
2402Generic caching function that returns the value of the resource $id,
2403caching and regenerating as required.
2404
2405This function can block.
2406
2407=cut
2408
2409sub cache {
2410 my ($id, $src, $processversion, $process) = @_;
2411
2412 my $meta =
2413 join "\x00",
2414 $processversion,
2415 map {
2416 aio_stat $_
2417 and Carp::croak "$_: $!";
2418
2419 ($_, (stat _)[7,9])
2420 } @$src;
2421
2422 my $dbmeta = db_get cache => "$id/meta";
2423 if ($dbmeta ne $meta) {
2424 # changed, we may need to process
2425
2426 my @data;
2427 my $md5;
2428
2429 for (0 .. $#$src) {
2430 0 <= aio_load $src->[$_], $data[$_]
2431 or Carp::croak "$src->[$_]: $!";
2432 }
2433
2434 # if processing is expensive, check
2435 # checksum first
2436 if (1) {
2437 $md5 =
2438 join "\x00",
2439 $processversion,
2440 map {
2441 Coro::cede;
2442 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2443 } 0.. $#$src;
2444
2445
2446 my $dbmd5 = db_get cache => "$id/md5";
2447 if ($dbmd5 eq $md5) {
2448 db_put cache => "$id/meta", $meta;
2449
2450 return db_get cache => "$id/data";
2451 }
2452 }
2453
2454 my $t1 = Time::HiRes::time;
2455 my $data = $process->(\@data);
2456 my $t2 = Time::HiRes::time;
2457
2458 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460 db_put cache => "$id/data", $data;
2461 db_put cache => "$id/md5" , $md5;
2462 db_put cache => "$id/meta", $meta;
2463
2464 return $data;
2465 }
2466
2467 db_get cache => "$id/data"
2468}
2469
2470=item fork_call { }, $args
2471
2472Executes the given code block with the given arguments in a seperate
2473process, returning the results. Everything must be serialisable with
2474Coro::Storable. May, of course, block. Note that the executed sub may
2475never block itself or use any form of Event handling.
2476
2477=cut
2478
2479sub fork_call(&@) {
2480 my ($cb, @args) = @_;
2481
2482# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483# or die "socketpair: $!";
2484 pipe my $fh1, my $fh2
2485 or die "pipe: $!";
2486
2487 if (my $pid = fork) {
2488 close $fh2;
2489
2490 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491 $res = Coro::Storable::thaw $res;
2492
2493 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495 die $$res unless "ARRAY" eq ref $res;
2496
2497 return wantarray ? @$res : $res->[-1];
2498 } else {
2499 reset_signals;
2500 local $SIG{__WARN__};
2501 local $SIG{__DIE__};
2502 eval {
2503 close $fh1;
2504
2505 my @res = eval { $cb->(@args) };
2506 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507 };
2508
2509 warn $@ if $@;
2510 _exit 0;
2511 }
2512}
2513
2514
2515
2516#############################################################################
2517# the server's init and main functions 3132# the server's init and main functions
2518 3133
2519sub load_facedata($) { 3134sub load_facedata($) {
2520 my ($path) = @_; 3135 my ($path) = @_;
3136
3137 # HACK to clear player env face cache, we need some signal framework
3138 # for this (global event?)
3139 %ext::player_env::MUSIC_FACE_CACHE = ();
3140
3141 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2521 3142
2522 warn "loading facedata from $path\n"; 3143 warn "loading facedata from $path\n";
2523 3144
2524 my $facedata; 3145 my $facedata;
2525 0 < aio_load $path, $facedata 3146 0 < aio_load $path, $facedata
2528 $facedata = Coro::Storable::thaw $facedata; 3149 $facedata = Coro::Storable::thaw $facedata;
2529 3150
2530 $facedata->{version} == 2 3151 $facedata->{version} == 2
2531 or cf::cleanup "$path: version mismatch, cannot proceed."; 3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2532 3153
3154 # patch in the exptable
3155 $facedata->{resource}{"res/exp_table"} = {
3156 type => FT_RSRC,
3157 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3158 };
3159 cf::cede_to_tick;
3160
2533 { 3161 {
2534 my $faces = $facedata->{faceinfo}; 3162 my $faces = $facedata->{faceinfo};
2535 3163
2536 while (my ($face, $info) = each %$faces) { 3164 while (my ($face, $info) = each %$faces) {
2537 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3166
2538 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3167 cf::face::set_visibility $idx, $info->{visibility};
3168 cf::face::set_magicmap $idx, $info->{magicmap};
2539 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2540 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2541 Coro::cede; 3171
3172 cf::cede_to_tick;
2542 } 3173 }
2543 3174
2544 while (my ($face, $info) = each %$faces) { 3175 while (my ($face, $info) = each %$faces) {
2545 next unless $info->{smooth}; 3176 next unless $info->{smooth};
3177
2546 my $idx = cf::face::find $face 3178 my $idx = cf::face::find $face
2547 or next; 3179 or next;
3180
2548 if (my $smooth = cf::face::find $info->{smooth}) { 3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
2549 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550 } else { 3184 } else {
2551 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
2552 } 3186 }
2553 Coro::cede; 3187
3188 cf::cede_to_tick;
2554 } 3189 }
2555 } 3190 }
2556 3191
2557 { 3192 {
2558 my $anims = $facedata->{animinfo}; 3193 my $anims = $facedata->{animinfo};
2559 3194
2560 while (my ($anim, $info) = each %$anims) { 3195 while (my ($anim, $info) = each %$anims) {
2561 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
2562 Coro::cede; 3197 cf::cede_to_tick;
2563 } 3198 }
2564 3199
2565 cf::anim::invalidate_all; # d'oh 3200 cf::anim::invalidate_all; # d'oh
2566 } 3201 }
2567 3202
3203 {
3204 # TODO: for gcfclient pleasure, we should give resources
3205 # that gcfclient doesn't grok a >10000 face index.
3206 my $res = $facedata->{resource};
3207
3208 while (my ($name, $info) = each %$res) {
3209 if (defined $info->{type}) {
3210 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3211 my $data;
3212
3213 if ($info->{type} & 1) {
3214 # prepend meta info
3215
3216 my $meta = $enc->encode ({
3217 name => $name,
3218 %{ $info->{meta} || {} },
3219 });
3220
3221 $data = pack "(w/a*)*", $meta, $info->{data};
3222 } else {
3223 $data = $info->{data};
3224 }
3225
3226 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3227 cf::face::set_type $idx, $info->{type};
3228 } else {
3229 $RESOURCE{$name} = $info;
3230 }
3231
3232 cf::cede_to_tick;
3233 }
3234 }
3235
3236 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3237
2568 1 3238 1
2569} 3239}
2570 3240
3241cf::global->attach (on_resource_update => sub {
3242 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3243 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3244
3245 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3246 my $sound = $soundconf->{compat}[$_]
3247 or next;
3248
3249 my $face = cf::face::find "sound/$sound->[1]";
3250 cf::sound::set $sound->[0] => $face;
3251 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3252 }
3253
3254 while (my ($k, $v) = each %{$soundconf->{event}}) {
3255 my $face = cf::face::find "sound/$v";
3256 cf::sound::set $k => $face;
3257 }
3258 }
3259});
3260
3261register_exticmd fx_want => sub {
3262 my ($ns, $want) = @_;
3263
3264 while (my ($k, $v) = each %$want) {
3265 $ns->fx_want ($k, $v);
3266 }
3267};
3268
2571sub reload_regions { 3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
2572 load_resource_file "$MAPDIR/regions" 3274 load_resource_file "$MAPDIR/regions"
2573 or die "unable to load regions file\n"; 3275 or die "unable to load regions file\n";
3276
3277 for (cf::region::list) {
3278 $_->{match} = qr/$_->{match}/
3279 if exists $_->{match};
3280 }
2574} 3281}
2575 3282
2576sub reload_facedata { 3283sub reload_facedata {
2577 load_facedata "$DATADIR/facedata" 3284 load_facedata "$DATADIR/facedata"
2578 or die "unable to load facedata\n"; 3285 or die "unable to load facedata\n";
2579} 3286}
2580 3287
2581sub reload_archetypes { 3288sub reload_archetypes {
2582 load_resource_file "$DATADIR/archetypes" 3289 load_resource_file "$DATADIR/archetypes"
2583 or die "unable to load archetypes\n"; 3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
2584} 3296}
2585 3297
2586sub reload_treasures { 3298sub reload_treasures {
2587 load_resource_file "$DATADIR/treasures" 3299 load_resource_file "$DATADIR/treasures"
2588 or die "unable to load treasurelists\n"; 3300 or die "unable to load treasurelists\n";
2591sub reload_resources { 3303sub reload_resources {
2592 warn "reloading resource files...\n"; 3304 warn "reloading resource files...\n";
2593 3305
2594 reload_regions; 3306 reload_regions;
2595 reload_facedata; 3307 reload_facedata;
3308 #reload_archetypes;#d#
2596 reload_archetypes; 3309 reload_archetypes;
2597 reload_treasures; 3310 reload_treasures;
2598 3311
2599 warn "finished reloading resource files\n"; 3312 warn "finished reloading resource files\n";
2600} 3313}
2601 3314
2602sub init { 3315sub init {
2603 reload_resources; 3316 reload_resources;
2604} 3317}
2605 3318
2606sub cfg_load { 3319sub reload_config {
2607 open my $fh, "<:utf8", "$CONFDIR/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2608 or return; 3321 or return;
2609 3322
2610 local $/; 3323 local $/;
2611 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2612 3325
2613 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614 3327
2615 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3328 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3329 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2627sub main { 3340sub main {
2628 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2629 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2630 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3343 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631 (async { 3344 (async {
2632 Event::one_event; 3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
2633 })->prio (Coro::PRIO_MAX); 3347 })->prio (Coro::PRIO_MAX);
2634 }; 3348 };
2635 3349
2636 cfg_load; 3350 reload_config;
2637 db_init; 3351 db_init;
2638 load_extensions; 3352 load_extensions;
2639 3353
2640 $TICK_WATCHER->start; 3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2641 Event::loop; 3356 EV::loop;
2642} 3357}
2643 3358
2644############################################################################# 3359#############################################################################
2645# initialisation and cleanup 3360# initialisation and cleanup
2646 3361
2647# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2648BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2649 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2650 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2651 reentrant => 0,
2652 data => WF_AUTOCANCEL,
2653 signal => $signal,
2654 prio => 0,
2655 cb => sub {
2656 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2657 },
2658 ); 3368 };
3369 }
3370}
3371
3372sub write_runtime {
3373 my $runtime = "$LOCALDIR/runtime";
3374
3375 # first touch the runtime file to show we are still running:
3376 # the fsync below can take a very very long time.
3377
3378 IO::AIO::aio_utime $runtime, undef, undef;
3379
3380 my $guard = cf::lock_acquire "write_runtime";
3381
3382 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3383 or return;
3384
3385 my $value = $cf::RUNTIME + 90 + 10;
3386 # 10 is the runtime save interval, for a monotonic clock
3387 # 60 allows for the watchdog to kill the server.
3388
3389 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3390 and return;
3391
3392 # always fsync - this file is important
3393 aio_fsync $fh
3394 and return;
3395
3396 # touch it again to show we are up-to-date
3397 aio_utime $fh, undef, undef;
3398
3399 close $fh
3400 or return;
3401
3402 aio_rename "$runtime~", $runtime
3403 and return;
3404
3405 warn "runtime file written.\n";
3406
2659 } 3407 1
2660} 3408}
2661 3409
2662sub emergency_save() { 3410sub emergency_save() {
2663 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2664 3412
2670 # and maps saved/destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2671 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2672 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2673 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2674 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675 $pl->save; 3424 $pl->save;
2676 } 3425 }
2677 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2678 3427
2679 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
2718 warn "syncing database to disk"; 3467 warn "syncing database to disk";
2719 BDB::db_env_txn_checkpoint $DB_ENV; 3468 BDB::db_env_txn_checkpoint $DB_ENV;
2720 3469
2721 # if anything goes wrong in here, we should simply crash as we already saved 3470 # if anything goes wrong in here, we should simply crash as we already saved
2722 3471
2723 warn "cancelling all WF_AUTOCANCEL watchers";
2724 for (Event::all_watchers) {
2725 $_->cancel if $_->data & WF_AUTOCANCEL;
2726 }
2727
2728 warn "flushing outstanding aio requests"; 3472 warn "flushing outstanding aio requests";
2729 for (;;) { 3473 for (;;) {
2730 BDB::flush; 3474 BDB::flush;
2731 IO::AIO::flush; 3475 IO::AIO::flush;
2732 Coro::cede; 3476 Coro::cede_notself;
2733 last unless IO::AIO::nreqs || BDB::nreqs; 3477 last unless IO::AIO::nreqs || BDB::nreqs;
2734 warn "iterate..."; 3478 warn "iterate...";
2735 } 3479 }
2736 3480
2737 ++$RELOAD; 3481 ++$RELOAD;
2741 %EXT_CORO = (); 3485 %EXT_CORO = ();
2742 3486
2743 warn "removing commands"; 3487 warn "removing commands";
2744 %COMMAND = (); 3488 %COMMAND = ();
2745 3489
2746 warn "removing ext commands"; 3490 warn "removing ext/exti commands";
2747 %EXTCMD = (); 3491 %EXTCMD = ();
3492 %EXTICMD = ();
2748 3493
2749 warn "unloading/nuking all extensions"; 3494 warn "unloading/nuking all extensions";
2750 for my $pkg (@EXTS) { 3495 for my $pkg (@EXTS) {
2751 warn "... unloading $pkg"; 3496 warn "... unloading $pkg";
2752 3497
2795 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2796 require cf; 3541 require cf;
2797 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2798 3543
2799 warn "loading config and database again"; 3544 warn "loading config and database again";
2800 cf::cfg_load; 3545 cf::reload_config;
2801 3546
2802 warn "loading extensions"; 3547 warn "loading extensions";
2803 cf::load_extensions; 3548 cf::load_extensions;
2804 3549
2805 warn "reattaching attachments to objects/players"; 3550 warn "reattaching attachments to objects/players";
2812 warn "leaving sync_job"; 3557 warn "leaving sync_job";
2813 3558
2814 1 3559 1
2815 } or do { 3560 } or do {
2816 warn $@; 3561 warn $@;
2817 warn "error while reloading, exiting."; 3562 cf::cleanup "error while reloading, exiting.";
2818 exit 1;
2819 }; 3563 };
2820 3564
2821 warn "reloaded"; 3565 warn "reloaded";
2822}; 3566};
2823 3567
2825 3569
2826sub reload_perl() { 3570sub reload_perl() {
2827 # doing reload synchronously and two reloads happen back-to-back, 3571 # doing reload synchronously and two reloads happen back-to-back,
2828 # coro crashes during coro_state_free->destroy here. 3572 # coro crashes during coro_state_free->destroy here.
2829 3573
2830 $RELOAD_WATCHER ||= Event->timer ( 3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2831 reentrant => 0,
2832 after => 0,
2833 data => WF_AUTOCANCEL,
2834 cb => sub {
2835 do_reload_perl; 3575 do_reload_perl;
2836 undef $RELOAD_WATCHER; 3576 undef $RELOAD_WATCHER;
2837 },
2838 ); 3577 };
2839} 3578}
2840 3579
2841register_command "reload" => sub { 3580register_command "reload" => sub {
2842 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2843 3582
2844 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2845 $who->message ("reloading server."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
2846 async { reload_perl }; 3587 reload_perl;
3588 };
2847 } 3589 }
2848}; 3590};
2849 3591
2850unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2851 3593
2870 my $signal = new Coro::Signal; 3612 my $signal = new Coro::Signal;
2871 push @WAIT_FOR_TICK_BEGIN, $signal; 3613 push @WAIT_FOR_TICK_BEGIN, $signal;
2872 $signal->wait; 3614 $signal->wait;
2873} 3615}
2874 3616
2875 my $min = 1e6;#d# 3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2876 my $avg = 10;
2877$TICK_WATCHER = Event->timer (
2878 reentrant => 0,
2879 parked => 1,
2880 prio => 0,
2881 at => $NEXT_TICK || $TICK,
2882 data => WF_AUTOCANCEL,
2883 cb => sub {
2884 if ($Coro::current != $Coro::main) { 3618 if ($Coro::current != $Coro::main) {
2885 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2886 unless ++$bug_warning > 10; 3620 unless ++$bug_warning > 10;
2887 return; 3621 return;
2888 } 3622 }
2889 3623
2890 $NOW = $tick_start = Event::time; 3624 $NOW = $tick_start = EV::now;
2891 3625
2892 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
2893 3627
2894 0 && sync_job {#d# 3628 $RUNTIME += $TICK;
2895 for(1..10) { 3629 $NEXT_TICK = $_[0]->at;
2896 my $t = Event::time;
2897 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2898 or die;
2899 3630
2900 $map->width (50); 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901 $map->height (50); 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2902 $map->alloc; 3633 Coro::async_pool {
2903 $map->_load_objects ("/tmp/x.map", 1); 3634 $Coro::current->{desc} = "runtime saver";
2904 my $t = Event::time - $t; 3635 write_runtime
2905 3636 or warn "ERROR: unable to write runtime file: $!";
2906 #next unless $t < 0.0013;#d#
2907 if ($t < $min) {
2908 $min = $t;
2909 }
2910 $avg = $avg * 0.99 + $t * 0.01;
2911 }
2912 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913 exit 0;
2914 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915 }; 3637 };
3638 }
2916 3639
2917 $RUNTIME += $TICK;
2918 $NEXT_TICK += $TICK;
2919
2920 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921 $NEXT_RUNTIME_WRITE = $NOW + 10;
2922 Coro::async_pool {
2923 write_runtime
2924 or warn "ERROR: unable to write runtime file: $!";
2925 };
2926 }
2927
2928# my $AFTER = Event::time;
2929# warn $AFTER - $NOW;#d#
2930
2931 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932 $sig->send; 3641 $sig->send;
2933 } 3642 }
2934 while (my $sig = shift @WAIT_FOR_TICK) { 3643 while (my $sig = shift @WAIT_FOR_TICK) {
2935 $sig->send; 3644 $sig->send;
2936 } 3645 }
2937 3646
2938 $NOW = Event::time;
2939
2940 # if we are delayed by four ticks or more, skip them all
2941 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943 $TICK_WATCHER->at ($NEXT_TICK);
2944 $TICK_WATCHER->start;
2945
2946 $LOAD = ($NOW - $tick_start) / $TICK; 3647 $LOAD = ($NOW - $tick_start) / $TICK;
2947 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948 3649
2949 _post_tick; 3650 _post_tick;
2950 3651};
2951 3652$TICK_WATCHER->priority (EV::MAXPRI);
2952 },
2953);
2954 3653
2955{ 3654{
2956 BDB::max_poll_time $TICK * 0.1; 3655 # configure BDB
2957 $BDB_POLL_WATCHER = Event->io ( 3656
2958 reentrant => 0,
2959 fd => BDB::poll_fileno,
2960 poll => 'r',
2961 prio => 0,
2962 data => WF_AUTOCANCEL,
2963 cb => \&BDB::poll_cb,
2964 );
2965 BDB::min_parallel 8; 3657 BDB::min_parallel 8;
2966 3658 BDB::max_poll_reqs $TICK * 0.1;
2967 BDB::set_sync_prepare { 3659 $Coro::BDB::WATCHER->priority (1);
2968 my $status;
2969 my $current = $Coro::current;
2970 (
2971 sub {
2972 $status = $!;
2973 $current->ready; undef $current;
2974 },
2975 sub {
2976 Coro::schedule while defined $current;
2977 $! = $status;
2978 },
2979 )
2980 };
2981 3660
2982 unless ($DB_ENV) { 3661 unless ($DB_ENV) {
2983 $DB_ENV = BDB::db_env_create; 3662 $DB_ENV = BDB::db_env_create;
3663 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3664 | BDB::LOG_AUTOREMOVE, 1);
3665 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3666 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2984 3667
2985 cf::sync_job { 3668 cf::sync_job {
2986 eval { 3669 eval {
2987 BDB::db_env_open 3670 BDB::db_env_open
2988 $DB_ENV, 3671 $DB_ENV,
2990 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2991 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992 0666; 3675 0666;
2993 3676
2994 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997 $DB_ENV->set_lk_detect;
2998 }; 3678 };
2999 3679
3000 cf::cleanup "db_env_open(db): $@" if $@; 3680 cf::cleanup "db_env_open(db): $@" if $@;
3001 }; 3681 };
3002 } 3682 }
3683
3684 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3685 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3686 };
3687 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3688 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3689 };
3690 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3691 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3692 };
3003} 3693}
3004 3694
3005{ 3695{
3696 # configure IO::AIO
3697
3006 IO::AIO::min_parallel 8; 3698 IO::AIO::min_parallel 8;
3007
3008 undef $Coro::AIO::WATCHER;
3009 IO::AIO::max_poll_time $TICK * 0.1; 3699 IO::AIO::max_poll_time $TICK * 0.1;
3010 $AIO_POLL_WATCHER = Event->io ( 3700 $Coro::AIO::WATCHER->priority (1);
3011 reentrant => 0,
3012 data => WF_AUTOCANCEL,
3013 fd => IO::AIO::poll_fileno,
3014 poll => 'r',
3015 prio => 6,
3016 cb => \&IO::AIO::poll_cb,
3017 );
3018} 3701}
3019 3702
3020my $_log_backtrace; 3703my $_log_backtrace;
3021 3704
3022sub _log_backtrace { 3705sub _log_backtrace {
3026 3709
3027 # limit the # of concurrent backtraces 3710 # limit the # of concurrent backtraces
3028 if ($_log_backtrace < 2) { 3711 if ($_log_backtrace < 2) {
3029 ++$_log_backtrace; 3712 ++$_log_backtrace;
3030 async { 3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
3031 my @bt = fork_call { 3716 my @bt = fork_call {
3032 @addr = map { sprintf "%x", $_ } @addr; 3717 @addr = map { sprintf "%x", $_ } @addr;
3033 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3719 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035 or die "addr2line: $!"; 3720 or die "addr2line: $!";

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