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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 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
… …
627 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
628 863
629 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
630 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
631 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633 868
634 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
635 my $pkg = shift @arg; 870 my $pkg = shift @arg;
636 871
637 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
… …
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
… …
678 if (ref $_[0]) { 913 if (ref $_[0]) {
679 _object_attach @_; 914 _object_attach @_;
680 } else { 915 } else {
681 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
682 } 917 }
918 _recalc_want;
683}; 919};
684 920
685# all those should be optimised 921# all those should be optimised
686sub cf::attachable::detach { 922sub cf::attachable::detach {
687 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
… …
690 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
691 reattach ($obj); 927 reattach ($obj);
692 } else { 928 } else {
693 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
694 } 930 }
931 _recalc_want;
695}; 932};
696 933
697sub cf::attachable::attached { 934sub cf::attachable::attached {
698 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
699 936
… …
714 "; 951 ";
715 die if $@; 952 die if $@;
716} 953}
717 954
718our $override; 955our $override;
719our @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?
720 957
721sub override { 958sub override {
722 $override = 1; 959 $override = 1;
723 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
724} 961}
725 962
726sub do_invoke { 963sub do_invoke {
727 my $event = shift; 964 my $event = shift;
728 my $callbacks = shift; 965 my $callbacks = shift;
729 966
730 @invoke_results = (); 967 @INVOKE_RESULTS = ();
731 968
732 local $override; 969 local $override;
733 970
734 for (@$callbacks) { 971 for (@$callbacks) {
735 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
… …
744 } 981 }
745 982
746 0 983 0
747} 984}
748 985
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 987
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 989
753Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
754 991
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 995
759=back 996=back
760 997
761=cut 998=cut
762 999
763############################################################################# 1000#############################################################################
764# 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, $ob2
1043}
765 1044
766sub reattach { 1045sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1047 my ($obj) = @_;
769 1048
… …
790cf::attachable->attach ( 1069cf::attachable->attach (
791 prio => -1000000, 1070 prio => -1000000,
792 on_instantiate => sub { 1071 on_instantiate => sub {
793 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
794 1073
795 $data = from_json $data; 1074 $data = decode_json $data;
796 1075
797 for (@$data) { 1076 for (@$data) {
798 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
799 1078
800 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1095sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
818 1097
819 sync_job { 1098 sync_job {
820 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
823 1103
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1107 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1108 close $fh;
829 1109
830 if (@$objs) { 1110 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1115 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1116 close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
838 } 1118 }
… …
846 } 1126 }
847 } else { 1127 } else {
848 aio_unlink $filename; 1128 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
850 } 1130 }
851 } 1131 };
852} 1132}
853 1133
854sub object_freezer_as_string { 1134sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
856 1136
… …
868 or return; 1148 or return;
869 1149
870 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
872 or return; 1152 or return;
1153
873 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
874 } 1156 }
875 1157
1158 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
878 return ($data, $av); 1162 ($data, $av)
879} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
880 1170
881############################################################################# 1171#############################################################################
882# command handling &c 1172# command handling &c
883 1173
884=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1188}
899 1189
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1191
902Register 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.
903 1197
904If 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
905called. 1199called.
906 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
907=cut 1212=cut
908 1213
909sub register_extcmd { 1214sub register_extcmd {
910 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
911 1216
912 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
913} 1224}
914 1225
915cf::player->attach ( 1226cf::player->attach (
916 on_command => sub { 1227 on_command => sub {
917 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
… …
926 cf::override; 1237 cf::override;
927 }, 1238 },
928 on_extcmd => sub { 1239 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
930 1241
931 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1243
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
939 } else { 1259 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1261 }
942 1262
943 cf::override; 1263 cf::override;
944 }, 1264 },
945); 1265);
946 1266
947sub load_extension {
948 my ($path) = @_;
949
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
951 my $base = $1;
952 my $pkg = $1;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 }
975 die $@;
976 }
977
978 push @EXTS, $pkg;
979}
980
981sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
982 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1272 next unless -r $path;
984 eval { 1273
985 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 $progress = 1;
986 1 1330 }
987 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
988 } 1336 };
989} 1337}
990 1338
991############################################################################# 1339#############################################################################
992 1340
1341=back
1342
993=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
994 1344
995Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
996 1346
997=cut 1347=cut
… …
1001use Coro::AIO; 1351use Coro::AIO;
1002 1352
1003=head3 cf::player 1353=head3 cf::player
1004 1354
1005=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}
1006 1370
1007=item cf::player::find $login 1371=item cf::player::find $login
1008 1372
1009Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
1010 1374
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1413 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1414
1051 my $pl = load_pl path $login 1415 my $f = new_from_file cf::object::thawer path $login
1052 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;
1053 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
1054 } 1423 }
1055 } 1424 }
1056} 1425}
1057 1426
… …
1067 1436
1068 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
1070 1439
1071 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
1072 Coro::cede; 1441 cf::cede_to_tick;
1073} 1442}
1074 1443
1075sub new($) { 1444sub new($) {
1076 my ($login) = @_; 1445 my ($login) = @_;
1077 1446
… …
1081 $self->{deny_save} = 1; 1450 $self->{deny_save} = 1;
1082 1451
1083 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
1084 1453
1085 $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 (@_);
1086} 1465}
1087 1466
1088=item $pl->quit_character 1467=item $pl->quit_character
1089 1468
1090Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
… …
1145 or return []; 1524 or return [];
1146 1525
1147 my @logins; 1526 my @logins;
1148 1527
1149 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1153 1537
1154 utf8::decode $login; 1538 utf8::decode $login;
1155 push @logins, $login; 1539 push @logins, $login;
1156 } 1540 }
1157 1541
… …
1184 } 1568 }
1185 1569
1186 \@paths 1570 \@paths
1187} 1571}
1188 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
1189=item $player->ext_reply ($msgid, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1190 1667
1191Sends an ext reply to the player. 1668Sends an ext reply to the player.
1192 1669
1193=cut 1670=cut
1194 1671
1195sub ext_reply($$%) { 1672sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1197 1674
1198 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1676}
1202 1677
1203=item $player->ext_event ($type, %msg) 1678=item $player->ext_msg ($type, @msg)
1204 1679
1205Sends an ext event to the client. 1680Sends an ext event to the client.
1206 1681
1207=cut 1682=cut
1208 1683
1209sub ext_event($$%) { 1684sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1685 my ($self, $type, @msg) = @_;
1211 1686
1212 $self->ns->ext_event ($type, %msg); 1687 $self->ns->ext_msg ($type, @msg);
1213} 1688}
1214 1689
1215=head3 cf::region 1690=head3 cf::region
1216 1691
1217=over 4 1692=over 4
… …
1220 1695
1221package cf::region; 1696package cf::region;
1222 1697
1223=item cf::region::find_by_path $path 1698=item cf::region::find_by_path $path
1224 1699
1225Tries to decuce the probable region for a map knowing only its path. 1700Tries to decuce the likely region for a map knowing only its path.
1226 1701
1227=cut 1702=cut
1228 1703
1229sub find_by_path($) { 1704sub find_by_path($) {
1230 my ($path) = @_; 1705 my ($path) = @_;
1231 1706
1232 my ($match, $specificity); 1707 my ($match, $specificity);
1233 1708
1234 for my $region (list) { 1709 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1710 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1711 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1712 if $region->specificity > $specificity;
1238 } 1713 }
1239 } 1714 }
1240 1715
… …
1304 my ($self, $merge) = @_; 1779 my ($self, $merge) = @_;
1305 1780
1306 # we have to keep some variables in memory intact 1781 # we have to keep some variables in memory intact
1307 local $self->{path}; 1782 local $self->{path};
1308 local $self->{load_path}; 1783 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1784
1312 $self->SUPER::thawer_merge ($merge); 1785 $self->SUPER::thawer_merge ($merge);
1313} 1786}
1314 1787
1315sub normalise { 1788sub normalise {
… …
1362 $self->init; # pass $1 etc. 1835 $self->init; # pass $1 etc.
1363 return $self; 1836 return $self;
1364 } 1837 }
1365 } 1838 }
1366 1839
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1841 ()
1369} 1842}
1370 1843
1371sub init { 1844sub init {
1372 my ($self) = @_; 1845 my ($self) = @_;
… …
1415 1888
1416 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1418} 1891}
1419 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1420sub unlink_save { 1901sub unlink_save {
1421 my ($self) = @_; 1902 my ($self) = @_;
1422 1903
1423 utf8::encode (my $save = $self->save_path); 1904 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1427 1908
1428sub load_header_from($) { 1909sub load_header_from($) {
1429 my ($self, $path) = @_; 1910 my ($self, $path) = @_;
1430 1911
1431 utf8::encode $path; 1912 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 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;
1437 1921
1438 $self->{load_path} = $path; 1922 $self->{load_path} = $path;
1439 1923
1440 1 1924 1
1441} 1925}
… …
1480 $self->load_header_orig 1964 $self->load_header_orig
1481 or return; 1965 or return;
1482 $self->prepare_orig; 1966 $self->prepare_orig;
1483 } 1967 }
1484 1968
1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1971
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1972 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1973 unless $self->default_region;
1487 1974
1488 1 1975 1
1489} 1976}
… …
1492sub find { 1979sub find {
1493 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1494 1981
1495 $path = normalise $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1496 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1985 cf::lock_wait "map_find:$path";
1498 1986
1499 $cf::MAP{$path} || do { 1987 $cf::MAP{$path} || do {
1500 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
1501 my $map = new_from_path cf::map $path 1991 my $map = new_from_path cf::map $path
1502 or return; 1992 or return;
1503 1993
1504 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1505 1995
1506 $map->load_header 1996 $map->load_header
1507 or return; 1997 or return;
1508 1998
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2000 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1512 $map->reset; 2004 $map->reset;
1513 undef $guard;
1514 return find $path; 2005 return find $path;
1515 } 2006 }
1516 2007
1517 $cf::MAP{$path} = $map 2008 $cf::MAP{$path} = $map
1518 } 2009 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 2018 local $self->{deny_reset} = 1; # loading can take a long time
1528 2019
1529 my $path = $self->{path}; 2020 my $path = $self->{path};
1530 2021
1531 { 2022 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2023 my $guard = cf::lock_acquire "map_data:$path";
1533 2024
2025 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2027
1536 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1537 2029
1538 $self->alloc; 2030 $self->alloc;
1539 2031
1540 $self->pre_load; 2032 $self->pre_load;
1541 Coro::cede; 2033 cf::cede_to_tick;
1542 2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2037 $self->_load_objects ($f)
1544 or return; 2038 or return;
1545 2039
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1548 2042
1549 if (my $uniq = $self->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2044 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2047 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1554 } 2051 }
1555 } 2052 }
1556 2053
1557 Coro::cede; 2054 $f->resolve_delayed_derefs;
2055
2056 cf::cede_to_tick;
1558 # now do the right thing for maps 2057 # now do the right thing for maps
1559 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2060 unless $self->difficulty;
1562 Coro::cede; 2061 cf::cede_to_tick;
1563 2062
1564 unless ($self->{deny_activate}) { 2063 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2064 $self->decay_objects;
1566 $self->fix_auto_apply; 2065 $self->fix_auto_apply;
1567 $self->update_buttons; 2066 $self->update_buttons;
1568 Coro::cede; 2067 cf::cede_to_tick;
1569 $self->set_darkness_map; 2068 $self->set_darkness_map;
1570 Coro::cede; 2069 cf::cede_to_tick;
1571 $self->activate; 2070 $self->activate;
1572 } 2071 }
2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
1573 2075
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
1575 } 2077 }
1576 2078
1577 $self->post_load; 2079 $self->post_load;
… …
1581 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1582 2084
1583 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2086 if $self->per_player;
1585 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1586 $self 2091 $self
1587} 2092}
1588 2093
1589# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2095sub load_neighbours {
1591 my ($map) = @_; 2096 my ($map) = @_;
1592 2097
1593 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1594 2099
1595 for (0 .. 3) { 2100 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1597 or next; 2102 or next;
1598 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1599 or next; 2104 or next;
1600 $neigh->load; 2105 $neigh->load;
1601 2106
2107 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2110 }
1605 2111
1606 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1608 or next; 2115 or next;
1609 $neigh->load; 2116 $neigh->load;
1610 } 2117 }
1611} 2118}
1612 2119
… …
1617} 2124}
1618 2125
1619sub do_load_sync { 2126sub do_load_sync {
1620 my ($map) = @_; 2127 my ($map) = @_;
1621 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1622 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1623} 2133}
1624 2134
1625our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1627 2137
1628sub find_async { 2138sub find_async {
1629 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1630 2140
1631 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1632 2142
1633 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635 } 2145 }
1636 2146
1637 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1638 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1639 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2154 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2155 $map->load if $v;
2156 }
1644 2157
1645 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1646 } 2159 }
1647 } 2160 }
1648 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1649 }; 2162 };
1650 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1653} 2166}
1654 2167
1655sub save { 2168sub save {
1656 my ($self) = @_; 2169 my ($self) = @_;
1657 2170
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2172
1660 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1661 2174
1662 return unless $self->dirty; 2175 return unless $self->dirty;
1663 2176
… …
1669 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1670 2183
1671 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1672 2185
1673 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1675 }; 2189 };
1676 2190
1677 if ($uniq) { 2191 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1686 my ($self) = @_; 2200 my ($self) = @_;
1687 2201
1688 # save first because save cedes 2202 # save first because save cedes
1689 $self->save; 2203 $self->save;
1690 2204
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2206
1693 return if $self->players; 2207 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1696 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2215 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2216}
1700 2217
1701sub reset_at { 2218sub reset_at {
1702 my ($self) = @_; 2219 my ($self) = @_;
1703 2220
1704 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1707 2223
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2226
… …
1721 my ($self) = @_; 2237 my ($self) = @_;
1722 2238
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2240
1725 return if $self->players; 2241 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2242
1728 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
1729 2244
1730 $self->in_memory (cf::MAP_SWAPPED); 2245 $self->in_memory (cf::MAP_SWAPPED);
1731 2246
1732 # need to save uniques path 2247 # need to save uniques path
1733 unless ($self->{deny_save}) { 2248 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2252 if $uniq;
1738 } 2253 }
1739 2254
1740 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1741 2256
2257 $self->deactivate;
2258 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2259 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2260
1746 $self->unlink_save; 2261 $self->unlink_save;
1747 $self->destroy; 2262 $self->destroy;
1748} 2263}
1749 2264
1750my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1751 2266
1752sub nuke { 2267sub nuke {
1753 my ($self) = @_; 2268 my ($self) = @_;
1754 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
1755 delete $cf::MAP{$self->path}; 2273 delete $cf::MAP{$self->path};
1756 2274
1757 $self->unlink_save; 2275 $self->unlink_save;
1758 2276
1759 bless $self, "cf::map"; 2277 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2278 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2282
1765 $cf::MAP{$self->path} = $self; 2283 $cf::MAP{$self->path} = $self;
2284 }
1766 2285
1767 $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 ]
1768} 2323}
1769 2324
1770=item cf::map::unique_maps 2325=item cf::map::unique_maps
1771 2326
1772Returns an arrayref of paths of all shared maps that have 2327Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2328instantiated unique items. May block.
1774 2329
1775=cut 2330=cut
1776 2331
1777sub unique_maps() { 2332sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2333 [
1779 or return; 2334 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2335 utf8::decode $_;
1785 next if /\.pst$/; 2336 /\.map$/
1786 next unless /^$PATH_SEP/o; 2337 ? normalise $_
1787 2338 : ()
1788 push @paths, cf::map::normalise $_; 2339 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2340 ]
1790
1791 \@paths
1792} 2341}
1793 2342
1794package cf; 2343package cf;
1795 2344
1796=back 2345=back
… …
1814 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1815} 2364}
1816 2365
1817sub inv_recursive { 2366sub inv_recursive {
1818 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 }
1819} 2396}
1820 2397
1821package cf; 2398package cf;
1822 2399
1823=back 2400=back
… …
1842 2419
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2421
1845 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1850 } 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 (@_);
1851} 2447}
1852 2448
1853=item $player_object->may ("access") 2449=item $player_object->may ("access")
1854 2450
1855Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
… …
1902 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1903 2499
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2501
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1908 2504
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1910} 2506}
1911 2507
1912sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1914 2512
1915 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1916 2514
1917 unless ($map) { 2515 unless ($map) {
1918 # restore original map position 2516 # restore original map position
… …
1932 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1935 2533
1936 $map->load; 2534 $map->load;
1937 $map->load_diag; 2535 $map->load_neighbours;
1938 2536
1939 return unless $self->contr->active; 2537 return unless $self->contr->active;
1940 $self->activate_recursive; 2538 $self->activate_recursive;
1941 2539
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1944} 2542}
1945 2543
1946cf::player->attach ( 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947 on_logout => sub {
1948 my ($pl) = @_;
1949 2545
1950 # abort map switching before logout 2546Moves the player to the given map-path and coordinates by first freezing
1951 if ($pl->ob->{_link_pos}) { 2547her, loading and preparing them map, calling the provided $check callback
1952 cf::sync_job { 2548that has to return the map if sucecssful, and then unfreezes the player on
1953 $pl->ob->leave_link 2549the new (success) or old (failed) map position. In either case, $done will
1954 }; 2550be called at the end of this process.
1955 }
1956 },
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2551
1960 # try to abort aborted map switching on player login :)
1961 # should happen only on crashes
1962 if ($pl->ob->{_link_pos}) {
1963 $pl->ob->enter_link;
1964 (async {
1965 $pl->ob->reply (undef,
1966 "There was an internal problem at your last logout, "
1967 . "the server will try to bring you to your intended destination in a second.",
1968 cf::NDI_RED);
1969 # we need this sleep as the login has a concurrent enter_exit running
1970 # and this sleep increases chances of the player not ending up in scorn
1971 Coro::Timer::sleep 1;
1972 $pl->ob->leave_link;
1973 })->prio (2);
1974 }
1975 },
1976);
1977
1978=item $player_object->goto ($path, $x, $y)
1979
1980=cut 2552=cut
2553
2554our $GOTOGEN;
1981 2555
1982sub cf::object::player::goto { 2556sub cf::object::player::goto {
1983 my ($self, $path, $x, $y) = @_; 2557 my ($self, $path, $x, $y, $check, $done) = @_;
2558
2559 # do generation counting so two concurrent goto's will be executed in-order
2560 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984 2561
1985 $self->enter_link; 2562 $self->enter_link;
1986 2563
1987 (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
1988 my $map = eval { 2586 my $map = eval {
1989 my $map = cf::map::find $path; 2587 my $map = defined $path ? cf::map::find $path : undef;
2588
2589 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2590 $map = $map->customise_for ($self);
2591 $map = $check->($map) if $check && $map;
2592 } else {
2593 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2594 }
2595
1991 $map 2596 $map
2597 };
2598
2599 if ($@) {
2600 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2601 LOG llevError | logBacktrace, Carp::longmess $@;
1992 } or 2602 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
1996 })->prio (1); 2610 })->prio (1);
1997} 2611}
1998 2612
1999=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
2000 2614
… …
2037 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2038 } 2652 }
2039 2653
2040 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
2041 2655
2042 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
2043 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2044 my $meta = "$RANDOMDIR/$md5.meta"; 2658 my $meta = "$RANDOMDIR/$md5.meta";
2045 2659
2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
… …
2069 my $hp = $exit->stats->hp; 2683 my $hp = $exit->stats->hp;
2070 my $sp = $exit->stats->sp; 2684 my $sp = $exit->stats->sp;
2071 2685
2072 $self->enter_link; 2686 $self->enter_link;
2073 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
2074 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
2075 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
2076 unless (eval { 2696 unless (eval {
2077 $self->goto ($slaying, $hp, $sp); 2697 $self->goto ($slaying, $hp, $sp);
2078 2698
2079 1; 2699 1;
… …
2105 2725
2106 utf8::encode $text; 2726 utf8::encode $text;
2107 $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);
2108} 2728}
2109 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
2110=item $client->ext_event ($type, %msg) 2854=item $client->ext_msg ($type, @msg)
2111 2855
2112Sends an exti event to the client. 2856Sends an ext event to the client.
2113 2857
2114=cut 2858=cut
2115 2859
2116sub cf::client::ext_event($$%) { 2860sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 2861 my ($self, $type, @msg) = @_;
2118 2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 2866 push @msg, msgtype => "event_$type";
2120 $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 }
2121} 2887}
2122 2888
2123=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
2124 2890
2125Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
2126the 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>,
2127C<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>.
2128 2894
2129Queries 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
2130reliable at some point in the future. 2896become reliable at some point in the future.
2131 2897
2132=cut 2898=cut
2133 2899
2134sub cf::client::query { 2900sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
… …
2143 utf8::encode $text; 2909 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 2911
2146 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
2148} 2916}
2149 2917
2150cf::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 },
2151 on_reply => sub { 2924 on_reply => sub {
2152 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
2153 2926
2154 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
2155 # get handled first 2928 # get handled first
… …
2167 } else { 2940 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 2942 }
2170 } 2943 }
2171 }, 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 },
2172); 2971);
2173 2972
2174=item $client->async (\&cb) 2973=item $client->async (\&cb)
2175 2974
2176Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
… …
2217our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
2219 3018
2220$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
2221 3020
2222$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));
2223 3026
2224# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
2225 3028
2226=pod 3029=pod
2227 3030
2228The following functions and methods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
2229 3032
2230 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
2231 cf::object::player player 3037 cf::object::player
2232 cf::player peaceful 3038 player
2233 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2234 3045
2235=cut 3046=cut
2236 3047
2237for ( 3048for (
2238 ["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)],
2239 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2241 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2242) { 3055) {
2243 no strict 'refs'; 3056 no strict 'refs';
… …
2314=back 3127=back
2315 3128
2316=cut 3129=cut
2317 3130
2318############################################################################# 3131#############################################################################
2319
2320=head2 EXTENSION DATABASE SUPPORT
2321
2322Crossfire maintains a very simple database for extension use. It can
2323currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324convert to/from binary).
2325
2326The parameter C<$family> should best start with the name of the extension
2327using it, it should be unique.
2328
2329=over 4
2330
2331=item $value = cf::db_get $family => $key
2332
2333Returns a single value from the database.
2334
2335=item cf::db_put $family => $key => $value
2336
2337Stores the given C<$value> in the family.
2338
2339=cut
2340
2341our $DB;
2342
2343sub db_init {
2344 unless ($DB) {
2345 $DB = BDB::db_create $DB_ENV;
2346
2347 cf::sync_job {
2348 eval {
2349 $DB->set_flags (BDB::CHKSUM);
2350
2351 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353 cf::cleanup "db_open(db): $!" if $!;
2354 };
2355 cf::cleanup "db_open(db): $@" if $@;
2356 };
2357 }
2358}
2359
2360sub db_get($$) {
2361 my $key = "$_[0]/$_[1]";
2362
2363 cf::sync_job {
2364 BDB::db_get $DB, undef, $key, my $data;
2365
2366 $! ? ()
2367 : $data
2368 }
2369}
2370
2371sub db_put($$$) {
2372 BDB::dbreq_pri 4;
2373 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374}
2375
2376=item cf::cache $id => [$paths...], $processversion => $process
2377
2378Generic caching function that returns the value of the resource $id,
2379caching and regenerating as required.
2380
2381This function can block.
2382
2383=cut
2384
2385sub cache {
2386 my ($id, $src, $processversion, $process) = @_;
2387
2388 my $meta =
2389 join "\x00",
2390 $processversion,
2391 map {
2392 aio_stat $_
2393 and Carp::croak "$_: $!";
2394
2395 ($_, (stat _)[7,9])
2396 } @$src;
2397
2398 my $dbmeta = db_get cache => "$id/meta";
2399 if ($dbmeta ne $meta) {
2400 # changed, we may need to process
2401
2402 my @data;
2403 my $md5;
2404
2405 for (0 .. $#$src) {
2406 0 <= aio_load $src->[$_], $data[$_]
2407 or Carp::croak "$src->[$_]: $!";
2408 }
2409
2410 # if processing is expensive, check
2411 # checksum first
2412 if (1) {
2413 $md5 =
2414 join "\x00",
2415 $processversion,
2416 map {
2417 Coro::cede;
2418 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2419 } 0.. $#$src;
2420
2421
2422 my $dbmd5 = db_get cache => "$id/md5";
2423 if ($dbmd5 eq $md5) {
2424 db_put cache => "$id/meta", $meta;
2425
2426 return db_get cache => "$id/data";
2427 }
2428 }
2429
2430 my $t1 = Time::HiRes::time;
2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436 db_put cache => "$id/data", $data;
2437 db_put cache => "$id/md5" , $md5;
2438 db_put cache => "$id/meta", $meta;
2439
2440 return $data;
2441 }
2442
2443 db_get cache => "$id/data"
2444}
2445
2446=item fork_call { }, $args
2447
2448Executes the given code block with the given arguments in a seperate
2449process, returning the results. Everything must be serialisable with
2450Coro::Storable. May, of course, block. Note that the executed sub may
2451never block itself or use any form of Event handling.
2452
2453=cut
2454
2455sub fork_call(&@) {
2456 my ($cb, @args) = @_;
2457
2458# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459# or die "socketpair: $!";
2460 pipe my $fh1, my $fh2
2461 or die "pipe: $!";
2462
2463 if (my $pid = fork) {
2464 close $fh2;
2465
2466 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467 $res = Coro::Storable::thaw $res;
2468
2469 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471 die $$res unless "ARRAY" eq ref $res;
2472
2473 return wantarray ? @$res : $res->[-1];
2474 } else {
2475 reset_signals;
2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2478 eval {
2479 close $fh1;
2480
2481 my @res = eval { $cb->(@args) };
2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483 };
2484
2485 warn $@ if $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491
2492#############################################################################
2493# the server's init and main functions 3132# the server's init and main functions
2494 3133
2495sub load_facedata($) { 3134sub load_facedata($) {
2496 my ($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;
2497 3142
2498 warn "loading facedata from $path\n"; 3143 warn "loading facedata from $path\n";
2499 3144
2500 my $facedata; 3145 my $facedata;
2501 0 < aio_load $path, $facedata 3146 0 < aio_load $path, $facedata
… …
2504 $facedata = Coro::Storable::thaw $facedata; 3149 $facedata = Coro::Storable::thaw $facedata;
2505 3150
2506 $facedata->{version} == 2 3151 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 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
2509 { 3161 {
2510 my $faces = $facedata->{faceinfo}; 3162 my $faces = $facedata->{faceinfo};
2511 3163
2512 while (my ($face, $info) = each %$faces) { 3164 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3166
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3167 cf::face::set_visibility $idx, $info->{visibility};
3168 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517 Coro::cede; 3171
3172 cf::cede_to_tick;
2518 } 3173 }
2519 3174
2520 while (my ($face, $info) = each %$faces) { 3175 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3176 next unless $info->{smooth};
3177
2522 my $idx = cf::face::find $face 3178 my $idx = cf::face::find $face
2523 or next; 3179 or next;
3180
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3184 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3186 }
2529 Coro::cede; 3187
3188 cf::cede_to_tick;
2530 } 3189 }
2531 } 3190 }
2532 3191
2533 { 3192 {
2534 my $anims = $facedata->{animinfo}; 3193 my $anims = $facedata->{animinfo};
2535 3194
2536 while (my ($anim, $info) = each %$anims) { 3195 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3197 cf::cede_to_tick;
2539 } 3198 }
2540 3199
2541 cf::anim::invalidate_all; # d'oh 3200 cf::anim::invalidate_all; # d'oh
2542 } 3201 }
2543 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
2544 1 3238 1
2545} 3239}
2546 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, $v);
3266 }
3267};
3268
2547sub reload_regions { 3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
2548 load_resource_file "$MAPDIR/regions" 3274 load_resource_file "$MAPDIR/regions"
2549 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 $_->{match};
3280 }
2550} 3281}
2551 3282
2552sub reload_facedata { 3283sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3284 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3285 or die "unable to load facedata\n";
2555} 3286}
2556 3287
2557sub reload_archetypes { 3288sub reload_archetypes {
2558 load_resource_file "$DATADIR/archetypes" 3289 load_resource_file "$DATADIR/archetypes"
2559 or die "unable to load archetypes\n"; 3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
2560} 3296}
2561 3297
2562sub reload_treasures { 3298sub reload_treasures {
2563 load_resource_file "$DATADIR/treasures" 3299 load_resource_file "$DATADIR/treasures"
2564 or die "unable to load treasurelists\n"; 3300 or die "unable to load treasurelists\n";
… …
2567sub reload_resources { 3303sub reload_resources {
2568 warn "reloading resource files...\n"; 3304 warn "reloading resource files...\n";
2569 3305
2570 reload_regions; 3306 reload_regions;
2571 reload_facedata; 3307 reload_facedata;
3308 #reload_archetypes;#d#
2572 reload_archetypes; 3309 reload_archetypes;
2573 reload_treasures; 3310 reload_treasures;
2574 3311
2575 warn "finished reloading resource files\n"; 3312 warn "finished reloading resource files\n";
2576} 3313}
2577 3314
2578sub init { 3315sub init {
2579 reload_resources; 3316 reload_resources;
2580} 3317}
2581 3318
2582sub cfg_load { 3319sub reload_config {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3321 or return;
2585 3322
2586 local $/; 3323 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2588 3325
2589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590 3327
2591 $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};
2592 $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};
… …
2603sub main { 3340sub main {
2604 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2606 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#
2607 (async { 3344 (async {
2608 Event::one_event; 3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
2609 })->prio (Coro::PRIO_MAX); 3347 })->prio (Coro::PRIO_MAX);
2610 }; 3348 };
2611 3349
2612 cfg_load; 3350 reload_config;
2613 db_init; 3351 db_init;
2614 load_extensions; 3352 load_extensions;
2615 3353
2616 $TICK_WATCHER->start; 3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2617 Event::loop; 3356 EV::loop;
2618} 3357}
2619 3358
2620############################################################################# 3359#############################################################################
2621# initialisation and cleanup 3360# initialisation and cleanup
2622 3361
2623# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2624BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2625 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2626 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2627 reentrant => 0,
2628 data => WF_AUTOCANCEL,
2629 signal => $signal,
2630 prio => 0,
2631 cb => sub {
2632 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2633 },
2634 ); 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
2635 } 3407 1
2636} 3408}
2637 3409
2638sub emergency_save() { 3410sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2640 3412
… …
2646 # and maps saved/destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2648 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3424 $pl->save;
2652 } 3425 }
2653 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2654 3427
2655 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
… …
2694 warn "syncing database to disk"; 3467 warn "syncing database to disk";
2695 BDB::db_env_txn_checkpoint $DB_ENV; 3468 BDB::db_env_txn_checkpoint $DB_ENV;
2696 3469
2697 # 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
2698 3471
2699 warn "cancelling all WF_AUTOCANCEL watchers";
2700 for (Event::all_watchers) {
2701 $_->cancel if $_->data & WF_AUTOCANCEL;
2702 }
2703
2704 warn "flushing outstanding aio requests"; 3472 warn "flushing outstanding aio requests";
2705 for (;;) { 3473 for (;;) {
2706 BDB::flush; 3474 BDB::flush;
2707 IO::AIO::flush; 3475 IO::AIO::flush;
2708 Coro::cede; 3476 Coro::cede_notself;
2709 last unless IO::AIO::nreqs || BDB::nreqs; 3477 last unless IO::AIO::nreqs || BDB::nreqs;
2710 warn "iterate..."; 3478 warn "iterate...";
2711 } 3479 }
2712 3480
2713 ++$RELOAD; 3481 ++$RELOAD;
… …
2717 %EXT_CORO = (); 3485 %EXT_CORO = ();
2718 3486
2719 warn "removing commands"; 3487 warn "removing commands";
2720 %COMMAND = (); 3488 %COMMAND = ();
2721 3489
2722 warn "removing ext commands"; 3490 warn "removing ext/exti commands";
2723 %EXTCMD = (); 3491 %EXTCMD = ();
3492 %EXTICMD = ();
2724 3493
2725 warn "unloading/nuking all extensions"; 3494 warn "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) { 3495 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg"; 3496 warn "... unloading $pkg";
2728 3497
… …
2771 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2772 require cf; 3541 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774 3543
2775 warn "loading config and database again"; 3544 warn "loading config and database again";
2776 cf::cfg_load; 3545 cf::reload_config;
2777 3546
2778 warn "loading extensions"; 3547 warn "loading extensions";
2779 cf::load_extensions; 3548 cf::load_extensions;
2780 3549
2781 warn "reattaching attachments to objects/players"; 3550 warn "reattaching attachments to objects/players";
… …
2788 warn "leaving sync_job"; 3557 warn "leaving sync_job";
2789 3558
2790 1 3559 1
2791 } or do { 3560 } or do {
2792 warn $@; 3561 warn $@;
2793 warn "error while reloading, exiting."; 3562 cf::cleanup "error while reloading, exiting.";
2794 exit 1;
2795 }; 3563 };
2796 3564
2797 warn "reloaded"; 3565 warn "reloaded";
2798}; 3566};
2799 3567
… …
2801 3569
2802sub reload_perl() { 3570sub reload_perl() {
2803 # doing reload synchronously and two reloads happen back-to-back, 3571 # doing reload synchronously and two reloads happen back-to-back,
2804 # coro crashes during coro_state_free->destroy here. 3572 # coro crashes during coro_state_free->destroy here.
2805 3573
2806 $RELOAD_WATCHER ||= Event->timer ( 3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807 reentrant => 0,
2808 after => 0,
2809 data => WF_AUTOCANCEL,
2810 cb => sub {
2811 do_reload_perl; 3575 do_reload_perl;
2812 undef $RELOAD_WATCHER; 3576 undef $RELOAD_WATCHER;
2813 },
2814 ); 3577 };
2815} 3578}
2816 3579
2817register_command "reload" => sub { 3580register_command "reload" => sub {
2818 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2819 3582
2820 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 3587 reload_perl;
3588 };
2823 } 3589 }
2824}; 3590};
2825 3591
2826unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2827 3593
… …
2846 my $signal = new Coro::Signal; 3612 my $signal = new Coro::Signal;
2847 push @WAIT_FOR_TICK_BEGIN, $signal; 3613 push @WAIT_FOR_TICK_BEGIN, $signal;
2848 $signal->wait; 3614 $signal->wait;
2849} 3615}
2850 3616
2851$TICK_WATCHER = Event->timer ( 3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2852 reentrant => 0,
2853 parked => 1,
2854 prio => 0,
2855 at => $NEXT_TICK || $TICK,
2856 data => WF_AUTOCANCEL,
2857 cb => sub {
2858 if ($Coro::current != $Coro::main) { 3618 if ($Coro::current != $Coro::main) {
2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860 unless ++$bug_warning > 10; 3620 unless ++$bug_warning > 10;
2861 return; 3621 return;
2862 } 3622 }
2863 3623
2864 $NOW = $tick_start = Event::time; 3624 $NOW = $tick_start = EV::now;
2865 3625
2866 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
2867 3627
2868 $RUNTIME += $TICK; 3628 $RUNTIME += $TICK;
2869 $NEXT_TICK += $TICK; 3629 $NEXT_TICK = $_[0]->at;
2870 3630
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873 Coro::async_pool { 3633 Coro::async_pool {
3634 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 3635 write_runtime
2875 or warn "ERROR: unable to write runtime file: $!"; 3636 or warn "ERROR: unable to write runtime file: $!";
2876 };
2877 } 3637 };
3638 }
2878 3639
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 3641 $sig->send;
2884 } 3642 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 3643 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 3644 $sig->send;
2887 } 3645 }
2888 3646
2889 $NOW = Event::time;
2890
2891 # if we are delayed by four ticks or more, skip them all
2892 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894 $TICK_WATCHER->at ($NEXT_TICK);
2895 $TICK_WATCHER->start;
2896
2897 $LOAD = ($NOW - $tick_start) / $TICK; 3647 $LOAD = ($NOW - $tick_start) / $TICK;
2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 3649
2900 _post_tick; 3650 _post_tick;
2901 3651};
2902 3652$TICK_WATCHER->priority (EV::MAXPRI);
2903 },
2904);
2905 3653
2906{ 3654{
2907 BDB::max_poll_time $TICK * 0.1; 3655 # configure BDB
2908 $BDB_POLL_WATCHER = Event->io ( 3656
2909 reentrant => 0,
2910 fd => BDB::poll_fileno,
2911 poll => 'r',
2912 prio => 0,
2913 data => WF_AUTOCANCEL,
2914 cb => \&BDB::poll_cb,
2915 );
2916 BDB::min_parallel 8; 3657 BDB::min_parallel 8;
2917 3658 BDB::max_poll_reqs $TICK * 0.1;
2918 BDB::set_sync_prepare { 3659 $Coro::BDB::WATCHER->priority (1);
2919 my $status;
2920 my $current = $Coro::current;
2921 (
2922 sub {
2923 $status = $!;
2924 $current->ready; undef $current;
2925 },
2926 sub {
2927 Coro::schedule while defined $current;
2928 $! = $status;
2929 },
2930 )
2931 };
2932 3660
2933 unless ($DB_ENV) { 3661 unless ($DB_ENV) {
2934 $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);
2935 3667
2936 cf::sync_job { 3668 cf::sync_job {
2937 eval { 3669 eval {
2938 BDB::db_env_open 3670 BDB::db_env_open
2939 $DB_ENV, 3671 $DB_ENV,
… …
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 3675 0666;
2944 3676
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948 $DB_ENV->set_lk_detect;
2949 }; 3678 };
2950 3679
2951 cf::cleanup "db_env_open(db): $@" if $@; 3680 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 3681 };
2953 } 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 };
2954} 3693}
2955 3694
2956{ 3695{
3696 # configure IO::AIO
3697
2957 IO::AIO::min_parallel 8; 3698 IO::AIO::min_parallel 8;
2958
2959 undef $Coro::AIO::WATCHER;
2960 IO::AIO::max_poll_time $TICK * 0.1; 3699 IO::AIO::max_poll_time $TICK * 0.1;
2961 $AIO_POLL_WATCHER = Event->io ( 3700 $Coro::AIO::WATCHER->priority (1);
2962 reentrant => 0,
2963 data => WF_AUTOCANCEL,
2964 fd => IO::AIO::poll_fileno,
2965 poll => 'r',
2966 prio => 6,
2967 cb => \&IO::AIO::poll_cb,
2968 );
2969} 3701}
2970 3702
2971my $_log_backtrace; 3703my $_log_backtrace;
2972 3704
2973sub _log_backtrace { 3705sub _log_backtrace {
… …
2977 3709
2978 # limit the # of concurrent backtraces 3710 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 3711 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 3712 ++$_log_backtrace;
2981 async { 3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
2982 my @bt = fork_call { 3716 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 3717 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 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 |"
2986 or die "addr2line: $!"; 3720 or die "addr2line: $!";

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