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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.411 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
98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
94 102
95binmode STDOUT; 103binmode STDOUT;
96binmode STDERR; 104binmode STDERR;
97 105
98# read virtual server time, if available 106# read virtual server time, if available
139 147
140=item $cf::TICK 148=item $cf::TICK
141 149
142The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
143 151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
161
144=item %cf::CFG 162=item %cf::CFG
145 163
146Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 165from wherever your confdir points to.
148 166
149=item cf::wait_for_tick, cf::wait_for_tick_begin 167=item cf::wait_for_tick, cf::wait_for_tick_begin
150 168
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 172
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
155=back 179=back
156 180
157=cut 181=cut
158 182
159BEGIN { 183BEGIN {
163 $msg .= "\n" 187 $msg .= "\n"
164 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
165 189
166 $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;
167 191
168 utf8::encode $msg;
169 LOG llevError, $msg; 192 LOG llevError, $msg;
170 }; 193 };
171} 194}
195
196$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#?
172 210
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@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';
178@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)
179 218
180# 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
181# within the Safe compartment. 220# within the Safe compartment.
182for my $pkg (qw( 221for my $pkg (qw(
183 cf::global cf::attachable 222 cf::global cf::attachable
188)) { 227)) {
189 no strict 'refs'; 228 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 230}
192 231
193$Event::DIED = sub { 232$EV::DIED = sub {
194 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
195}; 234};
235
236#############################################################################
196 237
197=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
198 239
199=over 4 240=over 4
200 241
219 $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;
220 $d 261 $d
221 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
222} 263}
223 264
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
227 266
228Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
229 268
230=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
231 270
232Converts 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]) }
233 279
234=item cf::lock_wait $string 280=item cf::lock_wait $string
235 281
236Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
237 283
240Wait 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
241a 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,
242for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
243returned. 289returned.
244 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
245Lock 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
246uses map_find and cf::map::load uses map_load). 295uses map_find and cf::map::load uses map_load).
247 296
248=item $locked = cf::lock_active $string 297=item $locked = cf::lock_active $string
249 298
250Return true if the lock is currently active, i.e. somebody has locked it. 299Return true if the lock is currently active, i.e. somebody has locked it.
251 300
252=cut 301=cut
253 302
254our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
255 305
256sub lock_wait($) { 306sub lock_wait($) {
257 my ($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#
258 313
259 # wait for lock, if any 314 # wait for lock, if any
260 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 317 Coro::schedule;
268 323
269 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
270 lock_wait $key; 325 lock_wait $key;
271 326
272 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
273 329
274 Coro::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
277 } 334 }
278} 335}
279 336
291 }; 348 };
292 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
293 $guard 350 $guard
294} 351}
295 352
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 $sig->wait;
424}
425
296=item cf::async { BLOCK } 426=item cf::async { BLOCK }
297 427
298Currently the same as Coro::async_pool, meaning you cannot use 428Currently the same as Coro::async_pool, meaning you cannot use
299C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 429C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300thing you are allowed to do is call C<prio> on it. 430thing you are allowed to do is call C<prio> on it.
303 433
304BEGIN { *async = \&Coro::async_pool } 434BEGIN { *async = \&Coro::async_pool }
305 435
306=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
307 437
308The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
311 442
312If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
315fast or be very important. 446fast or be very important.
318 449
319sub sync_job(&) { 450sub sync_job(&) {
320 my ($job) = @_; 451 my ($job) = @_;
321 452
322 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
454 my $time = EV::time;
455
323 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
325 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
326 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
327 # (but this is cancel-safe) 462 # (but this is cancel-safe)
328 my $freeze_guard = freeze_mainloop; 463 my $freeze_guard = freeze_mainloop;
329 464
330 my $busy = 1; 465 my $busy = 1;
331 my @res; 466 my @res;
332 467
333 (async { 468 (async {
469 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 470 @res = eval { $job->() };
335 warn $@ if $@; 471 warn $@ if $@;
336 undef $busy; 472 undef $busy;
337 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
338 474
339 while ($busy) { 475 while ($busy) {
340 Coro::cede or Event::one_event; 476 if (Coro::nready) {
477 Coro::cede_notself;
478 } else {
479 EV::loop EV::LOOP_ONESHOT;
341 } 480 }
481 }
482
483 $time = EV::time - $time;
484
485 LOG llevError | logBacktrace, Carp::longmess "long sync job"
486 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488 $tick_start += $time; # do not account sync jobs to server load
342 489
343 wantarray ? @res : $res[0] 490 wantarray ? @res : $res[0]
344 } else { 491 } else {
345 # we are in another coroutine, how wonderful, everything just works 492 # we are in another coroutine, how wonderful, everything just works
346 493
366 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
367 514
368 $coro 515 $coro
369} 516}
370 517
371sub write_runtime { 518=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 519
374 my $runtime = "$LOCALDIR/runtime"; 520Executes the given code block with the given arguments in a seperate
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.
375 524
376 warn "starting to write runtime...\n";#d# 525=cut
377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378 or return;
379 526
380 my $value = $cf::RUNTIME + 90 + 10; 527sub fork_call(&@) {
381 # 10 is the runtime save interval, for a monotonic clock 528 my ($cb, @args) = @_;
382 # 60 allows for the watchdog to kill the server.
383 529
384 (aio_write $fh, 0, (length $value), $value, 0) <= 0 530 # we seemingly have to make a local copy of the whole thing,
385 and return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
386 533
387 # always fsync - this file is important 534 my @res = Coro::Util::fork_eval {
388 aio_fsync $fh 535 reset_signals;
389 and return; 536 &$cb
537 }, @args;
390 538
391 close $fh 539 wantarray ? @res : $res[-1]
392 or return; 540}
393 541
394 aio_rename "$runtime~", $runtime 542=item $value = cf::db_get $family => $key
395 and return;
396 543
397 warn "... done writing runtime.\n";#d# 544Returns a single value from the environment database.
398 545
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 $!;
569 };
570 cf::cleanup "db_open(db): $@" if $@;
571
572 $db
573}
574
575our $DB;
576
577sub db_init {
578 cf::sync_job {
579 $DB ||= db_table "db";
580 };
581}
582
583sub db_get($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
399 1 591 }
592}
593
594sub db_put($$$) {
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"
400} 667}
401 668
402=item cf::datalog type => key => value, ... 669=item cf::datalog type => key => value, ...
403 670
404Log 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.
422attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
423to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
424 691
425In 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>
426C<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
427crossfire+). 694Deliantra).
428 695
429=over 4 696=over 4
430 697
431=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
432 699
595 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
596 863
597 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
598 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
599 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
600 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601 868
602 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
603 my $pkg = shift @arg; 870 my $pkg = shift @arg;
604 871
605 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
634 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
635 } 902 }
636 903
637 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
638 } else { 905 } else {
639 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
640 } 907 }
641 908
642 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
643} 910}
644 911
646 if (ref $_[0]) { 913 if (ref $_[0]) {
647 _object_attach @_; 914 _object_attach @_;
648 } else { 915 } else {
649 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
650 } 917 }
918 _recalc_want;
651}; 919};
652 920
653# all those should be optimised 921# all those should be optimised
654sub cf::attachable::detach { 922sub cf::attachable::detach {
655 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
658 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
659 reattach ($obj); 927 reattach ($obj);
660 } else { 928 } else {
661 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
662 } 930 }
931 _recalc_want;
663}; 932};
664 933
665sub cf::attachable::attached { 934sub cf::attachable::attached {
666 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
667 936
682 "; 951 ";
683 die if $@; 952 die if $@;
684} 953}
685 954
686our $override; 955our $override;
687our @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?
688 957
689sub override { 958sub override {
690 $override = 1; 959 $override = 1;
691 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
692} 961}
693 962
694sub do_invoke { 963sub do_invoke {
695 my $event = shift; 964 my $event = shift;
696 my $callbacks = shift; 965 my $callbacks = shift;
697 966
698 @invoke_results = (); 967 @INVOKE_RESULTS = ();
699 968
700 local $override; 969 local $override;
701 970
702 for (@$callbacks) { 971 for (@$callbacks) {
703 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
712 } 981 }
713 982
714 0 983 0
715} 984}
716 985
717=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718 987
719=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720 989
721Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
722 991
723This 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
724removed 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
725results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726 995
727=back 996=back
728 997
729=cut 998=cut
730 999
731############################################################################# 1000#############################################################################
732# 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, $ob2
1043}
733 1044
734sub reattach { 1045sub reattach {
735 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
736 my ($obj) = @_; 1047 my ($obj) = @_;
737 1048
758cf::attachable->attach ( 1069cf::attachable->attach (
759 prio => -1000000, 1070 prio => -1000000,
760 on_instantiate => sub { 1071 on_instantiate => sub {
761 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
762 1073
763 $data = from_json $data; 1074 $data = decode_json $data;
764 1075
765 for (@$data) { 1076 for (@$data) {
766 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
767 1078
768 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
784sub object_freezer_save { 1095sub object_freezer_save {
785 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
786 1097
787 sync_job { 1098 sync_job {
788 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
789 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
790 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
791 1103
792 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
794 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795 aio_fsync $fh if $cf::USE_FSYNC; 1107 aio_fsync $fh if $cf::USE_FSYNC;
796 close $fh; 1108 close $fh;
797 1109
798 if (@$objs) { 1110 if (@$objs) {
799 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) {
800 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
801 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
803 aio_fsync $fh if $cf::USE_FSYNC; 1115 aio_fsync $fh if $cf::USE_FSYNC;
804 close $fh; 1116 close $fh;
805 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
806 } 1118 }
814 } 1126 }
815 } else { 1127 } else {
816 aio_unlink $filename; 1128 aio_unlink $filename;
817 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
818 } 1130 }
819 } 1131 };
820} 1132}
821 1133
822sub object_freezer_as_string { 1134sub object_freezer_as_string {
823 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
824 1136
836 or return; 1148 or return;
837 1149
838 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
839 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
840 or return; 1152 or return;
1153
841 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
842 } 1156 }
843 1157
1158 utf8::decode (my $decname = $filename);
844 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
845 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
846 return ($data, $av); 1162 ($data, $av)
847} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
848 1170
849############################################################################# 1171#############################################################################
850# command handling &c 1172# command handling &c
851 1173
852=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
865 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
866} 1188}
867 1189
868=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
869 1191
870Register 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.
871 1197
872If 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
873called. 1199called.
874 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
875=cut 1212=cut
876 1213
877sub register_extcmd { 1214sub register_extcmd {
878 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
879 1216
880 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
881} 1224}
882 1225
883cf::player->attach ( 1226cf::player->attach (
884 on_command => sub { 1227 on_command => sub {
885 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
894 cf::override; 1237 cf::override;
895 }, 1238 },
896 on_extcmd => sub { 1239 on_extcmd => sub {
897 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
898 1241
899 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900 1243
901 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
902 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
903 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
904 $pl->ext_reply ($msg->{msgid}, %reply);
905 }
906 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
907 } else { 1259 } else {
908 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909 } 1261 }
910 1262
911 cf::override; 1263 cf::override;
912 }, 1264 },
913); 1265);
914 1266
915sub load_extension {
916 my ($path) = @_;
917
918 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
919 my $base = $1;
920 my $pkg = $1;
921 $pkg =~ s/[^[:word:]]/_/g;
922 $pkg = "ext::$pkg";
923
924 warn "... loading '$path' into '$pkg'\n";
925
926 open my $fh, "<:utf8", $path
927 or die "$path: $!";
928
929 my $source =
930 "package $pkg; use strict; use utf8;\n"
931 . "#line 1 \"$path\"\n{\n"
932 . (do { local $/; <$fh> })
933 . "\n};\n1";
934
935 unless (eval $source) {
936 my $msg = $@ ? "$path: $@\n"
937 : "extension disabled.\n";
938 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939 warn $@;
940 warn "mandatory extension failed to load, exiting.\n";
941 exit 1;
942 }
943 die $@;
944 }
945
946 push @EXTS, $pkg;
947}
948
949sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
950 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
951 next unless -r $ext; 1272 next unless -r $path;
952 eval { 1273
953 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 $progress = 1;
954 1 1330 }
955 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
956 } 1336 };
957} 1337}
958 1338
959############################################################################# 1339#############################################################################
960 1340
1341=back
1342
961=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
962 1344
963Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
964 1346
965=cut 1347=cut
969use Coro::AIO; 1351use Coro::AIO;
970 1352
971=head3 cf::player 1353=head3 cf::player
972 1354
973=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}
974 1370
975=item cf::player::find $login 1371=item cf::player::find $login
976 1372
977Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
978 1374
1014 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017 aio_unlink +(playerdir $login) . "/$login.pl"; 1413 aio_unlink +(playerdir $login) . "/$login.pl";
1018 1414
1019 my $pl = load_pl path $login 1415 my $f = new_from_file cf::object::thawer path $login
1020 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;
1021 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
1022 } 1423 }
1023 } 1424 }
1024} 1425}
1025 1426
1035 1436
1036 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
1037 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
1038 1439
1039 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
1040 Coro::cede; 1441 cf::cede_to_tick;
1041} 1442}
1042 1443
1043sub new($) { 1444sub new($) {
1044 my ($login) = @_; 1445 my ($login) = @_;
1045 1446
1049 $self->{deny_save} = 1; 1450 $self->{deny_save} = 1;
1050 1451
1051 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
1052 1453
1053 $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 (@_);
1054} 1465}
1055 1466
1056=item $pl->quit_character 1467=item $pl->quit_character
1057 1468
1058Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
1113 or return []; 1524 or return [];
1114 1525
1115 my @logins; 1526 my @logins;
1116 1527
1117 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") {
1118 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1120 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1121 1537
1122 utf8::decode $login; 1538 utf8::decode $login;
1123 push @logins, $login; 1539 push @logins, $login;
1124 } 1540 }
1125 1541
1152 } 1568 }
1153 1569
1154 \@paths 1570 \@paths
1155} 1571}
1156 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
1157=item $player->ext_reply ($msgid, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1158 1667
1159Sends an ext reply to the player. 1668Sends an ext reply to the player.
1160 1669
1161=cut 1670=cut
1162 1671
1163sub ext_reply($$%) { 1672sub ext_reply($$@) {
1164 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1165 1674
1166 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1167
1168 $self->send ("ext " . cf::to_json \%msg);
1169} 1676}
1170 1677
1171=item $player->ext_event ($type, %msg) 1678=item $player->ext_msg ($type, @msg)
1172 1679
1173Sends an ext event to the client. 1680Sends an ext event to the client.
1174 1681
1175=cut 1682=cut
1176 1683
1177sub ext_event($$%) { 1684sub ext_msg($$@) {
1178 my ($self, $type, %msg) = @_; 1685 my ($self, $type, @msg) = @_;
1179 1686
1180 $self->ns->ext_event ($type, %msg); 1687 $self->ns->ext_msg ($type, @msg);
1181} 1688}
1182 1689
1183=head3 cf::region 1690=head3 cf::region
1184 1691
1185=over 4 1692=over 4
1188 1695
1189package cf::region; 1696package cf::region;
1190 1697
1191=item cf::region::find_by_path $path 1698=item cf::region::find_by_path $path
1192 1699
1193Tries to decuce the probable region for a map knowing only its path. 1700Tries to decuce the likely region for a map knowing only its path.
1194 1701
1195=cut 1702=cut
1196 1703
1197sub find_by_path($) { 1704sub find_by_path($) {
1198 my ($path) = @_; 1705 my ($path) = @_;
1199 1706
1200 my ($match, $specificity); 1707 my ($match, $specificity);
1201 1708
1202 for my $region (list) { 1709 for my $region (list) {
1203 if ($region->match && $path =~ $region->match) { 1710 if ($region->{match} && $path =~ $region->{match}) {
1204 ($match, $specificity) = ($region, $region->specificity) 1711 ($match, $specificity) = ($region, $region->specificity)
1205 if $region->specificity > $specificity; 1712 if $region->specificity > $specificity;
1206 } 1713 }
1207 } 1714 }
1208 1715
1272 my ($self, $merge) = @_; 1779 my ($self, $merge) = @_;
1273 1780
1274 # we have to keep some variables in memory intact 1781 # we have to keep some variables in memory intact
1275 local $self->{path}; 1782 local $self->{path};
1276 local $self->{load_path}; 1783 local $self->{load_path};
1277 local $self->{deny_save};
1278 local $self->{deny_reset};
1279 1784
1280 $self->SUPER::thawer_merge ($merge); 1785 $self->SUPER::thawer_merge ($merge);
1281} 1786}
1282 1787
1283sub normalise { 1788sub normalise {
1330 $self->init; # pass $1 etc. 1835 $self->init; # pass $1 etc.
1331 return $self; 1836 return $self;
1332 } 1837 }
1333 } 1838 }
1334 1839
1335 Carp::carp "unable to resolve path '$path' (base '$base')."; 1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1336 () 1841 ()
1337} 1842}
1338 1843
1339sub init { 1844sub init {
1340 my ($self) = @_; 1845 my ($self) = @_;
1383 1888
1384 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1385 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1386} 1891}
1387 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1388sub unlink_save { 1901sub unlink_save {
1389 my ($self) = @_; 1902 my ($self) = @_;
1390 1903
1391 utf8::encode (my $save = $self->save_path); 1904 utf8::encode (my $save = $self->save_path);
1392 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1395 1908
1396sub load_header_from($) { 1909sub load_header_from($) {
1397 my ($self, $path) = @_; 1910 my ($self, $path) = @_;
1398 1911
1399 utf8::encode $path; 1912 utf8::encode $path;
1400 #aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1401 # or return;
1402
1403 $self->_load_header ($path)
1404 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;
1405 1921
1406 $self->{load_path} = $path; 1922 $self->{load_path} = $path;
1407 1923
1408 1 1924 1
1409} 1925}
1448 $self->load_header_orig 1964 $self->load_header_orig
1449 or return; 1965 or return;
1450 $self->prepare_orig; 1966 $self->prepare_orig;
1451 } 1967 }
1452 1968
1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1971
1453 $self->default_region (cf::region::find_by_path $self->{path}) 1972 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region; 1973 unless $self->default_region;
1455 1974
1456 1 1975 1
1457} 1976}
1460sub find { 1979sub find {
1461 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1462 1981
1463 $path = normalise $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1464 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1465 cf::lock_wait "map_find:$path"; 1985 cf::lock_wait "map_find:$path";
1466 1986
1467 $cf::MAP{$path} || do { 1987 $cf::MAP{$path} || do {
1468 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
1469 my $map = new_from_path cf::map $path 1991 my $map = new_from_path cf::map $path
1470 or return; 1992 or return;
1471 1993
1472 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1473 1995
1474 $map->load_header 1996 $map->load_header
1475 or return; 1997 or return;
1476 1998
1477 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478 # doing this can freeze the server in a sync job, obviously 2000 # doing this can freeze the server in a sync job, obviously
1479 #$cf::WAIT_FOR_TICK->wait; 2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1480 $map->reset; 2004 $map->reset;
1481 undef $guard;
1482 return find $path; 2005 return find $path;
1483 } 2006 }
1484 2007
1485 $cf::MAP{$path} = $map 2008 $cf::MAP{$path} = $map
1486 } 2009 }
1495 local $self->{deny_reset} = 1; # loading can take a long time 2018 local $self->{deny_reset} = 1; # loading can take a long time
1496 2019
1497 my $path = $self->{path}; 2020 my $path = $self->{path};
1498 2021
1499 { 2022 {
1500 my $guard = cf::lock_acquire "map_load:$path"; 2023 my $guard = cf::lock_acquire "map_data:$path";
1501 2024
2025 return unless $self->valid;
1502 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1503 2027
1504 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1505 2029
1506 $self->alloc; 2030 $self->alloc;
1507 2031
1508 $self->pre_load; 2032 $self->pre_load;
1509 Coro::cede; 2033 cf::cede_to_tick;
1510 2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
1511 $self->_load_objects ($self->{load_path}, 1) 2037 $self->_load_objects ($f)
1512 or return; 2038 or return;
1513 2039
1514 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1516 2042
1517 if (my $uniq = $self->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1518 utf8::encode $uniq; 2044 utf8::encode $uniq;
1519 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1520 $self->clear_unique_items; 2047 $self->clear_unique_items;
1521 $self->_load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1522 } 2051 }
1523 } 2052 }
1524 2053
1525 Coro::cede; 2054 $f->resolve_delayed_derefs;
2055
2056 cf::cede_to_tick;
1526 # now do the right thing for maps 2057 # now do the right thing for maps
1527 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1528 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1529 unless $self->difficulty; 2060 unless $self->difficulty;
1530 Coro::cede; 2061 cf::cede_to_tick;
1531 2062
1532 unless ($self->{deny_activate}) { 2063 unless ($self->{deny_activate}) {
1533 $self->decay_objects; 2064 $self->decay_objects;
1534 $self->fix_auto_apply; 2065 $self->fix_auto_apply;
1535 $self->update_buttons; 2066 $self->update_buttons;
1536 Coro::cede; 2067 cf::cede_to_tick;
1537 $self->set_darkness_map; 2068 $self->set_darkness_map;
1538 Coro::cede; 2069 cf::cede_to_tick;
1539 $self->activate; 2070 $self->activate;
1540 } 2071 }
2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
1541 2075
1542 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
1543 } 2077 }
1544 2078
1545 $self->post_load; 2079 $self->post_load;
1549 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1550 2084
1551 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1552 if $self->per_player; 2086 if $self->per_player;
1553 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1554 $self 2091 $self
1555} 2092}
1556 2093
1557# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1558sub load_diag { 2095sub load_neighbours {
1559 my ($map) = @_; 2096 my ($map) = @_;
1560 2097
1561 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1562 2099
1563 for (0 .. 3) { 2100 for (0 .. 3) {
1564 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1565 or next; 2102 or next;
1566 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1567 or next; 2104 or next;
1568 $neigh->load; 2105 $neigh->load;
1569 2106
2107 push @neigh,
1570 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1572 } 2110 }
1573 2111
1574 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1575 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1576 or next; 2115 or next;
1577 $neigh->load; 2116 $neigh->load;
1578 } 2117 }
1579} 2118}
1580 2119
1585} 2124}
1586 2125
1587sub do_load_sync { 2126sub do_load_sync {
1588 my ($map) = @_; 2127 my ($map) = @_;
1589 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1590 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1591} 2133}
1592 2134
1593our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1594our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1595 2137
1596sub find_async { 2138sub find_async {
1597 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1598 2140
1599 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1600 2142
1601 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1602 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603 } 2145 }
1604 2146
1605 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1606 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1607 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1608 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1609 my $map = find $path 2154 if (my $map = find $k) {
1610 or next;
1611 $map->load; 2155 $map->load if $v;
2156 }
1612 2157
1613 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1614 } 2159 }
1615 } 2160 }
1616 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1617 }; 2162 };
1618 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
1621} 2166}
1622 2167
1623sub save { 2168sub save {
1624 my ($self) = @_; 2169 my ($self) = @_;
1625 2170
1626 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1627 2172
1628 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1629 2174
1630 return unless $self->dirty; 2175 return unless $self->dirty;
1631 2176
1637 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1638 2183
1639 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1640 2185
1641 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1642 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1643 }; 2189 };
1644 2190
1645 if ($uniq) { 2191 if ($uniq) {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1654 my ($self) = @_; 2200 my ($self) = @_;
1655 2201
1656 # save first because save cedes 2202 # save first because save cedes
1657 $self->save; 2203 $self->save;
1658 2204
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2206
1661 return if $self->players; 2207 return if $self->players;
1662 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1663 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1664 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1665 $self->clear; 2215 $self->clear;
1666 $self->in_memory (cf::MAP_SWAPPED);
1667} 2216}
1668 2217
1669sub reset_at { 2218sub reset_at {
1670 my ($self) = @_; 2219 my ($self) = @_;
1671 2220
1672 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1673 return 1e99 if $self->isa ("ext::map_per_player");#d#
1674 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1675 2223
1676 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678 2226
1689 my ($self) = @_; 2237 my ($self) = @_;
1690 2238
1691 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2240
1693 return if $self->players; 2241 return if $self->players;
1694 return if $self->isa ("ext::map_per_player");#d#
1695 2242
1696 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
1697 2244
1698 $self->in_memory (cf::MAP_SWAPPED); 2245 $self->in_memory (cf::MAP_SWAPPED);
1699 2246
1700 # need to save uniques path 2247 # need to save uniques path
1701 unless ($self->{deny_save}) { 2248 unless ($self->{deny_save}) {
1705 if $uniq; 2252 if $uniq;
1706 } 2253 }
1707 2254
1708 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1709 2256
2257 $self->deactivate;
2258 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2259 $self->clear;
1711
1712 $_->clear_links_to ($self) for values %cf::MAP;
1713 2260
1714 $self->unlink_save; 2261 $self->unlink_save;
1715 $self->destroy; 2262 $self->destroy;
1716} 2263}
1717 2264
1718my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1719 2266
1720sub nuke { 2267sub nuke {
1721 my ($self) = @_; 2268 my ($self) = @_;
1722 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
1723 delete $cf::MAP{$self->path}; 2273 delete $cf::MAP{$self->path};
1724 2274
1725 $self->unlink_save; 2275 $self->unlink_save;
1726 2276
1727 bless $self, "cf::map"; 2277 bless $self, "cf::map";
1728 delete $self->{deny_reset}; 2278 delete $self->{deny_reset};
1729 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1730 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1731 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732 2282
1733 $cf::MAP{$self->path} = $self; 2283 $cf::MAP{$self->path} = $self;
2284 }
1734 2285
1735 $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 ]
1736} 2323}
1737 2324
1738=item cf::map::unique_maps 2325=item cf::map::unique_maps
1739 2326
1740Returns an arrayref of paths of all shared maps that have 2327Returns an arrayref of paths of all shared maps that have
1741instantiated unique items. May block. 2328instantiated unique items. May block.
1742 2329
1743=cut 2330=cut
1744 2331
1745sub unique_maps() { 2332sub unique_maps() {
1746 my $files = aio_readdir $UNIQUEDIR 2333 [
1747 or return; 2334 map {
1748
1749 my @paths;
1750
1751 for (@$files) {
1752 utf8::decode $_; 2335 utf8::decode $_;
1753 next if /\.pst$/; 2336 /\.map$/
1754 next unless /^$PATH_SEP/o; 2337 ? normalise $_
1755 2338 : ()
1756 push @paths, cf::map::normalise $_; 2339 } @{ aio_readdir $UNIQUEDIR or [] }
1757 } 2340 ]
1758
1759 \@paths
1760} 2341}
1761 2342
1762package cf; 2343package cf;
1763 2344
1764=back 2345=back
1782 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1783} 2364}
1784 2365
1785sub inv_recursive { 2366sub inv_recursive {
1786 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 }
1787} 2396}
1788 2397
1789package cf; 2398package cf;
1790 2399
1791=back 2400=back
1810 2419
1811 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812 2421
1813 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1814 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1815 } 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 {
1816 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1817 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1818 } 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 (@_);
1819} 2447}
1820 2448
1821=item $player_object->may ("access") 2449=item $player_object->may ("access")
1822 2450
1823Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
1870 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1871 2499
1872 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1873 2501
1874 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1876 2504
1877 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1878} 2506}
1879 2507
1880sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1881 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1882 2512
1883 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1884 2514
1885 unless ($map) { 2515 unless ($map) {
1886 # restore original map position 2516 # restore original map position
1900 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1901 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1902 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1903 2533
1904 $map->load; 2534 $map->load;
1905 $map->load_diag; 2535 $map->load_neighbours;
1906 2536
1907 return unless $self->contr->active; 2537 return unless $self->contr->active;
1908 $self->activate_recursive; 2538 $self->activate_recursive;
1909 2539
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1912} 2542}
1913 2543
1914cf::player->attach ( 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915 on_logout => sub {
1916 my ($pl) = @_;
1917 2545
1918 # abort map switching before logout 2546Moves the player to the given map-path and coordinates by first freezing
1919 if ($pl->ob->{_link_pos}) { 2547her, loading and preparing them map, calling the provided $check callback
1920 cf::sync_job { 2548that has to return the map if sucecssful, and then unfreezes the player on
1921 $pl->ob->leave_link 2549the new (success) or old (failed) map position. In either case, $done will
1922 }; 2550be called at the end of this process.
1923 }
1924 },
1925 on_login => sub {
1926 my ($pl) = @_;
1927 2551
1928 # try to abort aborted map switching on player login :)
1929 # should happen only on crashes
1930 if ($pl->ob->{_link_pos}) {
1931 $pl->ob->enter_link;
1932 (async {
1933 $pl->ob->reply (undef,
1934 "There was an internal problem at your last logout, "
1935 . "the server will try to bring you to your intended destination in a second.",
1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1939 Coro::Timer::sleep 1;
1940 $pl->ob->leave_link;
1941 })->prio (2);
1942 }
1943 },
1944);
1945
1946=item $player_object->goto ($path, $x, $y)
1947
1948=cut 2552=cut
2553
2554our $GOTOGEN;
1949 2555
1950sub cf::object::player::goto { 2556sub cf::object::player::goto {
1951 my ($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;
1952 2561
1953 $self->enter_link; 2562 $self->enter_link;
1954 2563
1955 (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
1956 my $map = eval { 2586 my $map = eval {
1957 my $map = cf::map::find $path; 2587 my $map = defined $path ? cf::map::find $path : undef;
2588
2589 if ($map) {
1958 $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
1959 $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 $@;
1960 } or 2602 }
1961 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962 2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
1963 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
1964 })->prio (1); 2610 })->prio (1);
1965} 2611}
1966 2612
1967=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
1968 2614
2005 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2006 } 2652 }
2007 2653
2008 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
2009 2655
2010 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
2011 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2012 my $meta = "$RANDOMDIR/$md5.meta"; 2658 my $meta = "$RANDOMDIR/$md5.meta";
2013 2659
2014 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
2037 my $hp = $exit->stats->hp; 2683 my $hp = $exit->stats->hp;
2038 my $sp = $exit->stats->sp; 2684 my $sp = $exit->stats->sp;
2039 2685
2040 $self->enter_link; 2686 $self->enter_link;
2041 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
2042 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
2043 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
2044 unless (eval { 2696 unless (eval {
2045 $self->goto ($slaying, $hp, $sp); 2697 $self->goto ($slaying, $hp, $sp);
2046 2698
2047 1; 2699 1;
2073 2725
2074 utf8::encode $text; 2726 utf8::encode $text;
2075 $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);
2076} 2728}
2077 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
2078=item $client->ext_event ($type, %msg) 2854=item $client->ext_msg ($type, @msg)
2079 2855
2080Sends an exti event to the client. 2856Sends an ext event to the client.
2081 2857
2082=cut 2858=cut
2083 2859
2084sub cf::client::ext_event($$%) { 2860sub cf::client::ext_msg($$@) {
2085 my ($self, $type, %msg) = @_; 2861 my ($self, $type, @msg) = @_;
2086 2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2087 $msg{msgtype} = "event_$type"; 2866 push @msg, msgtype => "event_$type";
2088 $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 }
2089} 2887}
2090 2888
2091=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
2092 2890
2093Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
2094the 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>,
2095C<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>.
2096 2894
2097Queries 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
2098reliable at some point in the future. 2896become reliable at some point in the future.
2099 2897
2100=cut 2898=cut
2101 2899
2102sub cf::client::query { 2900sub cf::client::query {
2103 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
2111 utf8::encode $text; 2909 utf8::encode $text;
2112 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113 2911
2114 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
2115 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
2116} 2916}
2117 2917
2118cf::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 },
2119 on_reply => sub { 2924 on_reply => sub {
2120 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
2121 2926
2122 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
2123 # get handled first 2928 # get handled first
2135 } else { 2940 } else {
2136 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137 } 2942 }
2138 } 2943 }
2139 }, 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 },
2140); 2971);
2141 2972
2142=item $client->async (\&cb) 2973=item $client->async (\&cb)
2143 2974
2144Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
2185our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
2186our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
2187 3018
2188$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
2189 3020
2190$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));
2191 3026
2192# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
2193 3028
2194=pod 3029=pod
2195 3030
2196The following functions and methods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
2197 3032
2198 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
2199 cf::object::player player 3037 cf::object::player
2200 cf::player peaceful 3038 player
2201 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2202 3045
2203=cut 3046=cut
2204 3047
2205for ( 3048for (
2206 ["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)],
2207 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2208 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2209 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2210) { 3055) {
2211 no strict 'refs'; 3056 no strict 'refs';
2282=back 3127=back
2283 3128
2284=cut 3129=cut
2285 3130
2286############################################################################# 3131#############################################################################
2287
2288=head2 EXTENSION DATABASE SUPPORT
2289
2290Crossfire maintains a very simple database for extension use. It can
2291currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292convert to/from binary).
2293
2294The parameter C<$family> should best start with the name of the extension
2295using it, it should be unique.
2296
2297=over 4
2298
2299=item $value = cf::db_get $family => $key
2300
2301Returns a single value from the database.
2302
2303=item cf::db_put $family => $key => $value
2304
2305Stores the given C<$value> in the family.
2306
2307=cut
2308
2309our $DB;
2310
2311sub db_init {
2312 unless ($DB) {
2313 $DB = BDB::db_create $DB_ENV;
2314
2315 cf::sync_job {
2316 eval {
2317 $DB->set_flags (BDB::CHKSUM);
2318
2319 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321 cf::cleanup "db_open(db): $!" if $!;
2322 };
2323 cf::cleanup "db_open(db): $@" if $@;
2324 };
2325 }
2326}
2327
2328sub db_get($$) {
2329 my $key = "$_[0]/$_[1]";
2330
2331 cf::sync_job {
2332 BDB::db_get $DB, undef, $key, my $data;
2333
2334 $! ? ()
2335 : $data
2336 }
2337}
2338
2339sub db_put($$$) {
2340 BDB::dbreq_pri 4;
2341 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342}
2343
2344=item cf::cache $id => [$paths...], $processversion => $process
2345
2346Generic caching function that returns the value of the resource $id,
2347caching and regenerating as required.
2348
2349This function can block.
2350
2351=cut
2352
2353sub cache {
2354 my ($id, $src, $processversion, $process) = @_;
2355
2356 my $meta =
2357 join "\x00",
2358 $processversion,
2359 map {
2360 aio_stat $_
2361 and Carp::croak "$_: $!";
2362
2363 ($_, (stat _)[7,9])
2364 } @$src;
2365
2366 my $dbmeta = db_get cache => "$id/meta";
2367 if ($dbmeta ne $meta) {
2368 # changed, we may need to process
2369
2370 my @data;
2371 my $md5;
2372
2373 for (0 .. $#$src) {
2374 0 <= aio_load $src->[$_], $data[$_]
2375 or Carp::croak "$src->[$_]: $!";
2376 }
2377
2378 # if processing is expensive, check
2379 # checksum first
2380 if (1) {
2381 $md5 =
2382 join "\x00",
2383 $processversion,
2384 map {
2385 Coro::cede;
2386 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2387 } 0.. $#$src;
2388
2389
2390 my $dbmd5 = db_get cache => "$id/md5";
2391 if ($dbmd5 eq $md5) {
2392 db_put cache => "$id/meta", $meta;
2393
2394 return db_get cache => "$id/data";
2395 }
2396 }
2397
2398 my $t1 = Time::HiRes::time;
2399 my $data = $process->(\@data);
2400 my $t2 = Time::HiRes::time;
2401
2402 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404 db_put cache => "$id/data", $data;
2405 db_put cache => "$id/md5" , $md5;
2406 db_put cache => "$id/meta", $meta;
2407
2408 return $data;
2409 }
2410
2411 db_get cache => "$id/data"
2412}
2413
2414=item fork_call { }, $args
2415
2416Executes the given code block with the given arguments in a seperate
2417process, returning the results. Everything must be serialisable with
2418Coro::Storable. May, of course, block. Note that the executed sub may
2419never block itself or use any form of Event handling.
2420
2421=cut
2422
2423sub fork_call(&@) {
2424 my ($cb, @args) = @_;
2425
2426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427# or die "socketpair: $!";
2428 pipe my $fh1, my $fh2
2429 or die "pipe: $!";
2430
2431 if (my $pid = fork) {
2432 close $fh2;
2433
2434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435 $res = Coro::Storable::thaw $res;
2436
2437 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439 die $$res unless "ARRAY" eq ref $res;
2440
2441 return wantarray ? @$res : $res->[-1];
2442 } else {
2443 reset_signals;
2444 local $SIG{__WARN__};
2445 local $SIG{__DIE__};
2446 eval {
2447 close $fh1;
2448
2449 my @res = eval { $cb->(@args) };
2450 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451 };
2452
2453 warn $@ if $@;
2454 _exit 0;
2455 }
2456}
2457
2458
2459
2460#############################################################################
2461# the server's init and main functions 3132# the server's init and main functions
2462 3133
2463sub load_facedata($) { 3134sub load_facedata($) {
2464 my ($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;
2465 3142
2466 warn "loading facedata from $path\n"; 3143 warn "loading facedata from $path\n";
2467 3144
2468 my $facedata; 3145 my $facedata;
2469 0 < aio_load $path, $facedata 3146 0 < aio_load $path, $facedata
2472 $facedata = Coro::Storable::thaw $facedata; 3149 $facedata = Coro::Storable::thaw $facedata;
2473 3150
2474 $facedata->{version} == 2 3151 $facedata->{version} == 2
2475 or cf::cleanup "$path: version mismatch, cannot proceed."; 3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2476 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
2477 { 3161 {
2478 my $faces = $facedata->{faceinfo}; 3162 my $faces = $facedata->{faceinfo};
2479 3163
2480 while (my ($face, $info) = each %$faces) { 3164 while (my ($face, $info) = each %$faces) {
2481 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3166
2482 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3167 cf::face::set_visibility $idx, $info->{visibility};
3168 cf::face::set_magicmap $idx, $info->{magicmap};
2483 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485 Coro::cede; 3171
3172 cf::cede_to_tick;
2486 } 3173 }
2487 3174
2488 while (my ($face, $info) = each %$faces) { 3175 while (my ($face, $info) = each %$faces) {
2489 next unless $info->{smooth}; 3176 next unless $info->{smooth};
3177
2490 my $idx = cf::face::find $face 3178 my $idx = cf::face::find $face
2491 or next; 3179 or next;
3180
2492 if (my $smooth = cf::face::find $info->{smooth}) { 3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
2493 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494 } else { 3184 } else {
2495 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
2496 } 3186 }
2497 Coro::cede; 3187
3188 cf::cede_to_tick;
2498 } 3189 }
2499 } 3190 }
2500 3191
2501 { 3192 {
2502 my $anims = $facedata->{animinfo}; 3193 my $anims = $facedata->{animinfo};
2503 3194
2504 while (my ($anim, $info) = each %$anims) { 3195 while (my ($anim, $info) = each %$anims) {
2505 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
2506 Coro::cede; 3197 cf::cede_to_tick;
2507 } 3198 }
2508 3199
2509 cf::anim::invalidate_all; # d'oh 3200 cf::anim::invalidate_all; # d'oh
2510 } 3201 }
2511 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
2512 1 3238 1
2513} 3239}
2514 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, $v);
3266 }
3267};
3268
2515sub reload_regions { 3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
2516 load_resource_file "$MAPDIR/regions" 3274 load_resource_file "$MAPDIR/regions"
2517 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 $_->{match};
3280 }
2518} 3281}
2519 3282
2520sub reload_facedata { 3283sub reload_facedata {
2521 load_facedata "$DATADIR/facedata" 3284 load_facedata "$DATADIR/facedata"
2522 or die "unable to load facedata\n"; 3285 or die "unable to load facedata\n";
2523} 3286}
2524 3287
2525sub reload_archetypes { 3288sub reload_archetypes {
2526 load_resource_file "$DATADIR/archetypes" 3289 load_resource_file "$DATADIR/archetypes"
2527 or die "unable to load archetypes\n"; 3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
2528} 3296}
2529 3297
2530sub reload_treasures { 3298sub reload_treasures {
2531 load_resource_file "$DATADIR/treasures" 3299 load_resource_file "$DATADIR/treasures"
2532 or die "unable to load treasurelists\n"; 3300 or die "unable to load treasurelists\n";
2535sub reload_resources { 3303sub reload_resources {
2536 warn "reloading resource files...\n"; 3304 warn "reloading resource files...\n";
2537 3305
2538 reload_regions; 3306 reload_regions;
2539 reload_facedata; 3307 reload_facedata;
3308 #reload_archetypes;#d#
2540 reload_archetypes; 3309 reload_archetypes;
2541 reload_treasures; 3310 reload_treasures;
2542 3311
2543 warn "finished reloading resource files\n"; 3312 warn "finished reloading resource files\n";
2544} 3313}
2545 3314
2546sub init { 3315sub init {
2547 reload_resources; 3316 reload_resources;
2548} 3317}
2549 3318
2550sub cfg_load { 3319sub reload_config {
2551 open my $fh, "<:utf8", "$CONFDIR/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2552 or return; 3321 or return;
2553 3322
2554 local $/; 3323 local $/;
2555 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2556 3325
2557 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558 3327
2559 $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};
2560 $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};
2571sub main { 3340sub main {
2572 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2573 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2574 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#
2575 (async { 3344 (async {
2576 Event::one_event; 3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
2577 })->prio (Coro::PRIO_MAX); 3347 })->prio (Coro::PRIO_MAX);
2578 }; 3348 };
2579 3349
2580 cfg_load; 3350 reload_config;
2581 db_init; 3351 db_init;
2582 load_extensions; 3352 load_extensions;
2583 3353
2584 $TICK_WATCHER->start; 3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2585 Event::loop; 3356 EV::loop;
2586} 3357}
2587 3358
2588############################################################################# 3359#############################################################################
2589# initialisation and cleanup 3360# initialisation and cleanup
2590 3361
2591# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2592BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2593 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2594 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2595 reentrant => 0,
2596 data => WF_AUTOCANCEL,
2597 signal => $signal,
2598 prio => 0,
2599 cb => sub {
2600 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2601 },
2602 ); 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
2603 } 3407 1
2604} 3408}
2605 3409
2606sub emergency_save() { 3410sub emergency_save() {
2607 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2608 3412
2614 # and maps saved/destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2615 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2616 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2617 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2618 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619 $pl->save; 3424 $pl->save;
2620 } 3425 }
2621 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2622 3427
2623 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
2662 warn "syncing database to disk"; 3467 warn "syncing database to disk";
2663 BDB::db_env_txn_checkpoint $DB_ENV; 3468 BDB::db_env_txn_checkpoint $DB_ENV;
2664 3469
2665 # 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
2666 3471
2667 warn "cancelling all WF_AUTOCANCEL watchers";
2668 for (Event::all_watchers) {
2669 $_->cancel if $_->data & WF_AUTOCANCEL;
2670 }
2671
2672 warn "flushing outstanding aio requests"; 3472 warn "flushing outstanding aio requests";
2673 for (;;) { 3473 for (;;) {
2674 BDB::flush; 3474 BDB::flush;
2675 IO::AIO::flush; 3475 IO::AIO::flush;
2676 Coro::cede; 3476 Coro::cede_notself;
2677 last unless IO::AIO::nreqs || BDB::nreqs; 3477 last unless IO::AIO::nreqs || BDB::nreqs;
2678 warn "iterate..."; 3478 warn "iterate...";
2679 } 3479 }
2680 3480
2681 ++$RELOAD; 3481 ++$RELOAD;
2685 %EXT_CORO = (); 3485 %EXT_CORO = ();
2686 3486
2687 warn "removing commands"; 3487 warn "removing commands";
2688 %COMMAND = (); 3488 %COMMAND = ();
2689 3489
2690 warn "removing ext commands"; 3490 warn "removing ext/exti commands";
2691 %EXTCMD = (); 3491 %EXTCMD = ();
3492 %EXTICMD = ();
2692 3493
2693 warn "unloading/nuking all extensions"; 3494 warn "unloading/nuking all extensions";
2694 for my $pkg (@EXTS) { 3495 for my $pkg (@EXTS) {
2695 warn "... unloading $pkg"; 3496 warn "... unloading $pkg";
2696 3497
2739 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2740 require cf; 3541 require cf;
2741 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742 3543
2743 warn "loading config and database again"; 3544 warn "loading config and database again";
2744 cf::cfg_load; 3545 cf::reload_config;
2745 3546
2746 warn "loading extensions"; 3547 warn "loading extensions";
2747 cf::load_extensions; 3548 cf::load_extensions;
2748 3549
2749 warn "reattaching attachments to objects/players"; 3550 warn "reattaching attachments to objects/players";
2756 warn "leaving sync_job"; 3557 warn "leaving sync_job";
2757 3558
2758 1 3559 1
2759 } or do { 3560 } or do {
2760 warn $@; 3561 warn $@;
2761 warn "error while reloading, exiting."; 3562 cf::cleanup "error while reloading, exiting.";
2762 exit 1;
2763 }; 3563 };
2764 3564
2765 warn "reloaded"; 3565 warn "reloaded";
2766}; 3566};
2767 3567
2769 3569
2770sub reload_perl() { 3570sub reload_perl() {
2771 # doing reload synchronously and two reloads happen back-to-back, 3571 # doing reload synchronously and two reloads happen back-to-back,
2772 # coro crashes during coro_state_free->destroy here. 3572 # coro crashes during coro_state_free->destroy here.
2773 3573
2774 $RELOAD_WATCHER ||= Event->timer ( 3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775 reentrant => 0,
2776 after => 0,
2777 data => WF_AUTOCANCEL,
2778 cb => sub {
2779 do_reload_perl; 3575 do_reload_perl;
2780 undef $RELOAD_WATCHER; 3576 undef $RELOAD_WATCHER;
2781 },
2782 ); 3577 };
2783} 3578}
2784 3579
2785register_command "reload" => sub { 3580register_command "reload" => sub {
2786 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2787 3582
2788 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2789 $who->message ("reloading server."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
2790 async { reload_perl }; 3587 reload_perl;
3588 };
2791 } 3589 }
2792}; 3590};
2793 3591
2794unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2795 3593
2814 my $signal = new Coro::Signal; 3612 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal; 3613 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait; 3614 $signal->wait;
2817} 3615}
2818 3616
2819$TICK_WATCHER = Event->timer ( 3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2820 reentrant => 0,
2821 parked => 1,
2822 prio => 0,
2823 at => $NEXT_TICK || $TICK,
2824 data => WF_AUTOCANCEL,
2825 cb => sub {
2826 if ($Coro::current != $Coro::main) { 3618 if ($Coro::current != $Coro::main) {
2827 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828 unless ++$bug_warning > 10; 3620 unless ++$bug_warning > 10;
2829 return; 3621 return;
2830 } 3622 }
2831 3623
2832 $NOW = Event::time; 3624 $NOW = $tick_start = EV::now;
2833 3625
2834 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
2835 3627
2836 $RUNTIME += $TICK; 3628 $RUNTIME += $TICK;
2837 $NEXT_TICK += $TICK; 3629 $NEXT_TICK = $_[0]->at;
2838 3630
2839 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840 $NEXT_RUNTIME_WRITE = $NOW + 10; 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841 Coro::async_pool { 3633 Coro::async_pool {
3634 $Coro::current->{desc} = "runtime saver";
2842 write_runtime 3635 write_runtime
2843 or warn "ERROR: unable to write runtime file: $!"; 3636 or warn "ERROR: unable to write runtime file: $!";
2844 };
2845 } 3637 };
3638 }
2846 3639
2847# my $AFTER = Event::time;
2848# warn $AFTER - $NOW;#d#
2849
2850 # if we are delayed by four ticks or more, skip them all
2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853 $TICK_WATCHER->at ($NEXT_TICK);
2854 $TICK_WATCHER->start;
2855
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857 $sig->send; 3641 $sig->send;
2858 } 3642 }
2859 while (my $sig = shift @WAIT_FOR_TICK) { 3643 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send; 3644 $sig->send;
2861 } 3645 }
2862 3646
3647 $LOAD = ($NOW - $tick_start) / $TICK;
3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649
2863 _post_tick; 3650 _post_tick;
2864 }, 3651};
2865); 3652$TICK_WATCHER->priority (EV::MAXPRI);
2866 3653
2867{ 3654{
2868 BDB::max_poll_time $TICK * 0.1; 3655 # configure BDB
2869 $BDB_POLL_WATCHER = Event->io ( 3656
2870 reentrant => 0,
2871 fd => BDB::poll_fileno,
2872 poll => 'r',
2873 prio => 0,
2874 data => WF_AUTOCANCEL,
2875 cb => \&BDB::poll_cb,
2876 );
2877 BDB::min_parallel 8; 3657 BDB::min_parallel 8;
2878 3658 BDB::max_poll_reqs $TICK * 0.1;
2879 BDB::set_sync_prepare { 3659 $Coro::BDB::WATCHER->priority (1);
2880 my $status;
2881 my $current = $Coro::current;
2882 (
2883 sub {
2884 $status = $!;
2885 $current->ready; undef $current;
2886 },
2887 sub {
2888 Coro::schedule while defined $current;
2889 $! = $status;
2890 },
2891 )
2892 };
2893 3660
2894 unless ($DB_ENV) { 3661 unless ($DB_ENV) {
2895 $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);
2896 3667
2897 cf::sync_job { 3668 cf::sync_job {
2898 eval { 3669 eval {
2899 BDB::db_env_open 3670 BDB::db_env_open
2900 $DB_ENV, 3671 $DB_ENV,
2902 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904 0666; 3675 0666;
2905 3676
2906 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909 $DB_ENV->set_lk_detect;
2910 }; 3678 };
2911 3679
2912 cf::cleanup "db_env_open(db): $@" if $@; 3680 cf::cleanup "db_env_open(db): $@" if $@;
2913 }; 3681 };
2914 } 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 };
2915} 3693}
2916 3694
2917{ 3695{
3696 # configure IO::AIO
3697
2918 IO::AIO::min_parallel 8; 3698 IO::AIO::min_parallel 8;
2919
2920 undef $Coro::AIO::WATCHER;
2921 IO::AIO::max_poll_time $TICK * 0.1; 3699 IO::AIO::max_poll_time $TICK * 0.1;
2922 $AIO_POLL_WATCHER = Event->io ( 3700 $Coro::AIO::WATCHER->priority (1);
2923 reentrant => 0,
2924 data => WF_AUTOCANCEL,
2925 fd => IO::AIO::poll_fileno,
2926 poll => 'r',
2927 prio => 6,
2928 cb => \&IO::AIO::poll_cb,
2929 );
2930} 3701}
2931 3702
2932my $_log_backtrace; 3703my $_log_backtrace;
2933 3704
2934sub _log_backtrace { 3705sub _log_backtrace {
2938 3709
2939 # limit the # of concurrent backtraces 3710 # limit the # of concurrent backtraces
2940 if ($_log_backtrace < 2) { 3711 if ($_log_backtrace < 2) {
2941 ++$_log_backtrace; 3712 ++$_log_backtrace;
2942 async { 3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
2943 my @bt = fork_call { 3716 my @bt = fork_call {
2944 @addr = map { sprintf "%x", $_ } @addr; 3717 @addr = map { sprintf "%x", $_ } @addr;
2945 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946 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 |"
2947 or die "addr2line: $!"; 3720 or die "addr2line: $!";

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