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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 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 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 525=cut
377 or return;
378 526
379 my $value = $cf::RUNTIME + 90 + 10; 527sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 528 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 529
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 530 # we seemingly have to make a local copy of the whole thing,
384 and return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
385 533
386 # always fsync - this file is important 534 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 535 reset_signals;
388 and return; 536 &$cb
537 }, @args;
389 538
390 close $fh 539 wantarray ? @res : $res[-1]
391 or return; 540}
392 541
393 aio_rename "$runtime~", $runtime 542=item $value = cf::db_get $family => $key
394 and return;
395 543
544Returns a single value from the environment database.
545
546=item cf::db_put $family => $key => $value
547
548Stores the given C<$value> in the family. It can currently store binary
549data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
550
551=item $db = cf::db_table "name"
552
553Create and/or open a new database table. The string must not be "db" and must be unique
554within each server.
555
556=cut
557
558sub db_table($) {
559 my ($name) = @_;
560 my $db = BDB::db_create $DB_ENV;
561
562 eval {
563 $db->set_flags (BDB::CHKSUM);
564
565 utf8::encode $name;
566 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
567 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
568 cf::cleanup "db_open(db): $!" if $!;
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($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
396 1 591 }
592}
593
594sub db_put($$$) {
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"
397} 667}
398 668
399=item cf::datalog type => key => value, ... 669=item cf::datalog type => key => value, ...
400 670
401Log 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.
419attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
421 691
422In 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>
423C<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
424crossfire+). 694Deliantra).
425 695
426=over 4 696=over 4
427 697
428=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
429 699
592 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
593 863
594 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 868
599 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 870 my $pkg = shift @arg;
601 871
602 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
632 } 902 }
633 903
634 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
635 } else { 905 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 907 }
638 908
639 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
640} 910}
641 911
643 if (ref $_[0]) { 913 if (ref $_[0]) {
644 _object_attach @_; 914 _object_attach @_;
645 } else { 915 } else {
646 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
647 } 917 }
918 _recalc_want;
648}; 919};
649 920
650# all those should be optimised 921# all those should be optimised
651sub cf::attachable::detach { 922sub cf::attachable::detach {
652 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
656 reattach ($obj); 927 reattach ($obj);
657 } else { 928 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
659 } 930 }
931 _recalc_want;
660}; 932};
661 933
662sub cf::attachable::attached { 934sub cf::attachable::attached {
663 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
664 936
679 "; 951 ";
680 die if $@; 952 die if $@;
681} 953}
682 954
683our $override; 955our $override;
684our @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?
685 957
686sub override { 958sub override {
687 $override = 1; 959 $override = 1;
688 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
689} 961}
690 962
691sub do_invoke { 963sub do_invoke {
692 my $event = shift; 964 my $event = shift;
693 my $callbacks = shift; 965 my $callbacks = shift;
694 966
695 @invoke_results = (); 967 @INVOKE_RESULTS = ();
696 968
697 local $override; 969 local $override;
698 970
699 for (@$callbacks) { 971 for (@$callbacks) {
700 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
709 } 981 }
710 982
711 0 983 0
712} 984}
713 985
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 987
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 989
718Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
719 991
720This 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
721removed 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
722results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 995
724=back 996=back
725 997
726=cut 998=cut
727 999
728############################################################################# 1000#############################################################################
729# 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, $ob2
1043}
730 1044
731sub reattach { 1045sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1047 my ($obj) = @_;
734 1048
755cf::attachable->attach ( 1069cf::attachable->attach (
756 prio => -1000000, 1070 prio => -1000000,
757 on_instantiate => sub { 1071 on_instantiate => sub {
758 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
759 1073
760 $data = from_json $data; 1074 $data = decode_json $data;
761 1075
762 for (@$data) { 1076 for (@$data) {
763 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
764 1078
765 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1095sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
783 1097
784 sync_job { 1098 sync_job {
785 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
788 1103
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1107 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1108 close $fh;
794 1109
795 if (@$objs) { 1110 if (@$objs) {
796 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) {
797 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1115 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1116 close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
803 } 1118 }
811 } 1126 }
812 } else { 1127 } else {
813 aio_unlink $filename; 1128 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
815 } 1130 }
816 } 1131 };
817} 1132}
818 1133
819sub object_freezer_as_string { 1134sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
821 1136
833 or return; 1148 or return;
834 1149
835 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
837 or return; 1152 or return;
1153
838 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
839 } 1156 }
840 1157
1158 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
843 return ($data, $av); 1162 ($data, $av)
844} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
845 1170
846############################################################################# 1171#############################################################################
847# command handling &c 1172# command handling &c
848 1173
849=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1188}
864 1189
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1191
867Register 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.
868 1197
869If 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
870called. 1199called.
871 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
872=cut 1212=cut
873 1213
874sub register_extcmd { 1214sub register_extcmd {
875 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
876 1216
877 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
878} 1224}
879 1225
880cf::player->attach ( 1226cf::player->attach (
881 on_command => sub { 1227 on_command => sub {
882 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
891 cf::override; 1237 cf::override;
892 }, 1238 },
893 on_extcmd => sub { 1239 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
895 1241
896 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1243
898 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
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
904 } else { 1259 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1261 }
907 1262
908 cf::override; 1263 cf::override;
909 }, 1264 },
910); 1265);
911 1266
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
947 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1272 next unless -r $path;
949 eval { 1273
950 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 $progress = 1;
951 1 1330 }
952 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
953 } 1336 };
954} 1337}
955 1338
956############################################################################# 1339#############################################################################
957 1340
1341=back
1342
958=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
959 1344
960Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
961 1346
962=cut 1347=cut
966use Coro::AIO; 1351use Coro::AIO;
967 1352
968=head3 cf::player 1353=head3 cf::player
969 1354
970=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}
971 1370
972=item cf::player::find $login 1371=item cf::player::find $login
973 1372
974Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
975 1374
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1413 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1414
1016 my $pl = load_pl path $login 1415 my $f = new_from_file cf::object::thawer path $login
1017 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;
1018 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
1019 } 1423 }
1020 } 1424 }
1021} 1425}
1022 1426
1032 1436
1033 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
1035 1439
1036 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
1037 Coro::cede; 1441 cf::cede_to_tick;
1038} 1442}
1039 1443
1040sub new($) { 1444sub new($) {
1041 my ($login) = @_; 1445 my ($login) = @_;
1042 1446
1046 $self->{deny_save} = 1; 1450 $self->{deny_save} = 1;
1047 1451
1048 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
1049 1453
1050 $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 (@_);
1051} 1465}
1052 1466
1053=item $pl->quit_character 1467=item $pl->quit_character
1054 1468
1055Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
1110 or return []; 1524 or return [];
1111 1525
1112 my @logins; 1526 my @logins;
1113 1527
1114 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") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1118 1537
1119 utf8::decode $login; 1538 utf8::decode $login;
1120 push @logins, $login; 1539 push @logins, $login;
1121 } 1540 }
1122 1541
1149 } 1568 }
1150 1569
1151 \@paths 1570 \@paths
1152} 1571}
1153 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
1154=item $player->ext_reply ($msgid, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1155 1667
1156Sends an ext reply to the player. 1668Sends an ext reply to the player.
1157 1669
1158=cut 1670=cut
1159 1671
1160sub ext_reply($$%) { 1672sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1162 1674
1163 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1676}
1167 1677
1168=item $player->ext_event ($type, %msg) 1678=item $player->ext_msg ($type, @msg)
1169 1679
1170Sends an ext event to the client. 1680Sends an ext event to the client.
1171 1681
1172=cut 1682=cut
1173 1683
1174sub ext_event($$%) { 1684sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1685 my ($self, $type, @msg) = @_;
1176 1686
1177 $self->ns->ext_event ($type, %msg); 1687 $self->ns->ext_msg ($type, @msg);
1178} 1688}
1179 1689
1180=head3 cf::region 1690=head3 cf::region
1181 1691
1182=over 4 1692=over 4
1185 1695
1186package cf::region; 1696package cf::region;
1187 1697
1188=item cf::region::find_by_path $path 1698=item cf::region::find_by_path $path
1189 1699
1190Tries to decuce the probable region for a map knowing only its path. 1700Tries to decuce the likely region for a map knowing only its path.
1191 1701
1192=cut 1702=cut
1193 1703
1194sub find_by_path($) { 1704sub find_by_path($) {
1195 my ($path) = @_; 1705 my ($path) = @_;
1196 1706
1197 my ($match, $specificity); 1707 my ($match, $specificity);
1198 1708
1199 for my $region (list) { 1709 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1710 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1711 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1712 if $region->specificity > $specificity;
1203 } 1713 }
1204 } 1714 }
1205 1715
1269 my ($self, $merge) = @_; 1779 my ($self, $merge) = @_;
1270 1780
1271 # we have to keep some variables in memory intact 1781 # we have to keep some variables in memory intact
1272 local $self->{path}; 1782 local $self->{path};
1273 local $self->{load_path}; 1783 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1784
1277 $self->SUPER::thawer_merge ($merge); 1785 $self->SUPER::thawer_merge ($merge);
1278} 1786}
1279 1787
1280sub normalise { 1788sub normalise {
1327 $self->init; # pass $1 etc. 1835 $self->init; # pass $1 etc.
1328 return $self; 1836 return $self;
1329 } 1837 }
1330 } 1838 }
1331 1839
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1841 ()
1334} 1842}
1335 1843
1336sub init { 1844sub init {
1337 my ($self) = @_; 1845 my ($self) = @_;
1380 1888
1381 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1383} 1891}
1384 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1385sub unlink_save { 1901sub unlink_save {
1386 my ($self) = @_; 1902 my ($self) = @_;
1387 1903
1388 utf8::encode (my $save = $self->save_path); 1904 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1908
1393sub load_header_from($) { 1909sub load_header_from($) {
1394 my ($self, $path) = @_; 1910 my ($self, $path) = @_;
1395 1911
1396 utf8::encode $path; 1912 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 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;
1402 1921
1403 $self->{load_path} = $path; 1922 $self->{load_path} = $path;
1404 1923
1405 1 1924 1
1406} 1925}
1445 $self->load_header_orig 1964 $self->load_header_orig
1446 or return; 1965 or return;
1447 $self->prepare_orig; 1966 $self->prepare_orig;
1448 } 1967 }
1449 1968
1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1971
1450 $self->default_region (cf::region::find_by_path $self->{path}) 1972 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 1973 unless $self->default_region;
1452 1974
1453 1 1975 1
1454} 1976}
1457sub find { 1979sub find {
1458 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1459 1981
1460 $path = normalise $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1461 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 1985 cf::lock_wait "map_find:$path";
1463 1986
1464 $cf::MAP{$path} || do { 1987 $cf::MAP{$path} || do {
1465 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
1466 my $map = new_from_path cf::map $path 1991 my $map = new_from_path cf::map $path
1467 or return; 1992 or return;
1468 1993
1469 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1470 1995
1471 $map->load_header 1996 $map->load_header
1472 or return; 1997 or return;
1473 1998
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2000 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1477 $map->reset; 2004 $map->reset;
1478 undef $guard;
1479 return find $path; 2005 return find $path;
1480 } 2006 }
1481 2007
1482 $cf::MAP{$path} = $map 2008 $cf::MAP{$path} = $map
1483 } 2009 }
1492 local $self->{deny_reset} = 1; # loading can take a long time 2018 local $self->{deny_reset} = 1; # loading can take a long time
1493 2019
1494 my $path = $self->{path}; 2020 my $path = $self->{path};
1495 2021
1496 { 2022 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2023 my $guard = cf::lock_acquire "map_data:$path";
1498 2024
2025 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2027
1501 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1502 2029
1503 $self->alloc; 2030 $self->alloc;
1504 2031
1505 $self->pre_load; 2032 $self->pre_load;
1506 Coro::cede; 2033 cf::cede_to_tick;
1507 2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2037 $self->_load_objects ($f)
1509 or return; 2038 or return;
1510 2039
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1513 2042
1514 if (my $uniq = $self->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2044 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2047 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1519 } 2051 }
1520 } 2052 }
1521 2053
1522 Coro::cede; 2054 $f->resolve_delayed_derefs;
2055
2056 cf::cede_to_tick;
1523 # now do the right thing for maps 2057 # now do the right thing for maps
1524 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2060 unless $self->difficulty;
1527 Coro::cede; 2061 cf::cede_to_tick;
1528 2062
1529 unless ($self->{deny_activate}) { 2063 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2064 $self->decay_objects;
1531 $self->fix_auto_apply; 2065 $self->fix_auto_apply;
1532 $self->update_buttons; 2066 $self->update_buttons;
1533 Coro::cede; 2067 cf::cede_to_tick;
1534 $self->set_darkness_map; 2068 $self->set_darkness_map;
1535 Coro::cede; 2069 cf::cede_to_tick;
1536 $self->activate; 2070 $self->activate;
1537 } 2071 }
2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
1538 2075
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
1540 } 2077 }
1541 2078
1542 $self->post_load; 2079 $self->post_load;
1546 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1547 2084
1548 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2086 if $self->per_player;
1550 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1551 $self 2091 $self
1552} 2092}
1553 2093
1554# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2095sub load_neighbours {
1556 my ($map) = @_; 2096 my ($map) = @_;
1557 2097
1558 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1559 2099
1560 for (0 .. 3) { 2100 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1562 or next; 2102 or next;
1563 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1564 or next; 2104 or next;
1565 $neigh->load; 2105 $neigh->load;
1566 2106
2107 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2110 }
1570 2111
1571 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1573 or next; 2115 or next;
1574 $neigh->load; 2116 $neigh->load;
1575 } 2117 }
1576} 2118}
1577 2119
1582} 2124}
1583 2125
1584sub do_load_sync { 2126sub do_load_sync {
1585 my ($map) = @_; 2127 my ($map) = @_;
1586 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1587 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1588} 2133}
1589 2134
1590our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1592 2137
1593sub find_async { 2138sub find_async {
1594 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1595 2140
1596 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1597 2142
1598 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600 } 2145 }
1601 2146
1602 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1603 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1604 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2154 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2155 $map->load if $v;
2156 }
1609 2157
1610 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1611 } 2159 }
1612 } 2160 }
1613 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1614 }; 2162 };
1615 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
1618} 2166}
1619 2167
1620sub save { 2168sub save {
1621 my ($self) = @_; 2169 my ($self) = @_;
1622 2170
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2172
1625 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1626 2174
1627 return unless $self->dirty; 2175 return unless $self->dirty;
1628 2176
1634 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1635 2183
1636 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1637 2185
1638 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1640 }; 2189 };
1641 2190
1642 if ($uniq) { 2191 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1651 my ($self) = @_; 2200 my ($self) = @_;
1652 2201
1653 # save first because save cedes 2202 # save first because save cedes
1654 $self->save; 2203 $self->save;
1655 2204
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2206
1658 return if $self->players; 2207 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1660 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1661 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2215 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2216}
1665 2217
1666sub reset_at { 2218sub reset_at {
1667 my ($self) = @_; 2219 my ($self) = @_;
1668 2220
1669 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1672 2223
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2226
1686 my ($self) = @_; 2237 my ($self) = @_;
1687 2238
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2240
1690 return if $self->players; 2241 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2242
1693 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
1694 2244
1695 $self->in_memory (cf::MAP_SWAPPED); 2245 $self->in_memory (cf::MAP_SWAPPED);
1696 2246
1697 # need to save uniques path 2247 # need to save uniques path
1698 unless ($self->{deny_save}) { 2248 unless ($self->{deny_save}) {
1702 if $uniq; 2252 if $uniq;
1703 } 2253 }
1704 2254
1705 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1706 2256
2257 $self->deactivate;
2258 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2259 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2260
1711 $self->unlink_save; 2261 $self->unlink_save;
1712 $self->destroy; 2262 $self->destroy;
1713} 2263}
1714 2264
1715my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1716 2266
1717sub nuke { 2267sub nuke {
1718 my ($self) = @_; 2268 my ($self) = @_;
1719 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
1720 delete $cf::MAP{$self->path}; 2273 delete $cf::MAP{$self->path};
1721 2274
1722 $self->unlink_save; 2275 $self->unlink_save;
1723 2276
1724 bless $self, "cf::map"; 2277 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2278 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2282
1730 $cf::MAP{$self->path} = $self; 2283 $cf::MAP{$self->path} = $self;
2284 }
1731 2285
1732 $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 ]
1733} 2323}
1734 2324
1735=item cf::map::unique_maps 2325=item cf::map::unique_maps
1736 2326
1737Returns an arrayref of paths of all shared maps that have 2327Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2328instantiated unique items. May block.
1739 2329
1740=cut 2330=cut
1741 2331
1742sub unique_maps() { 2332sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2333 [
1744 or return; 2334 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2335 utf8::decode $_;
1750 next if /\.pst$/; 2336 /\.map$/
1751 next unless /^$PATH_SEP/o; 2337 ? normalise $_
1752 2338 : ()
1753 push @paths, cf::map::normalise $_; 2339 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2340 ]
1755
1756 \@paths
1757} 2341}
1758 2342
1759package cf; 2343package cf;
1760 2344
1761=back 2345=back
1779 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1780} 2364}
1781 2365
1782sub inv_recursive { 2366sub inv_recursive {
1783 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 }
1784} 2396}
1785 2397
1786package cf; 2398package cf;
1787 2399
1788=back 2400=back
1807 2419
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2421
1810 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1812 } 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 {
1813 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1815 } 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 (@_);
1816} 2447}
1817 2448
1818=item $player_object->may ("access") 2449=item $player_object->may ("access")
1819 2450
1820Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
1867 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1868 2499
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2501
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1873 2504
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1875} 2506}
1876 2507
1877sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1879 2512
1880 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1881 2514
1882 unless ($map) { 2515 unless ($map) {
1883 # restore original map position 2516 # restore original map position
1897 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1900 2533
1901 $map->load; 2534 $map->load;
1902 $map->load_diag; 2535 $map->load_neighbours;
1903 2536
1904 return unless $self->contr->active; 2537 return unless $self->contr->active;
1905 $self->activate_recursive; 2538 $self->activate_recursive;
1906 2539
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1909} 2542}
1910 2543
1911cf::player->attach ( 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912 on_logout => sub {
1913 my ($pl) = @_;
1914 2545
1915 # abort map switching before logout 2546Moves the player to the given map-path and coordinates by first freezing
1916 if ($pl->ob->{_link_pos}) { 2547her, loading and preparing them map, calling the provided $check callback
1917 cf::sync_job { 2548that has to return the map if sucecssful, and then unfreezes the player on
1918 $pl->ob->leave_link 2549the new (success) or old (failed) map position. In either case, $done will
1919 }; 2550be called at the end of this process.
1920 }
1921 },
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2551
1925 # try to abort aborted map switching on player login :)
1926 # should happen only on crashes
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942
1943=item $player_object->goto ($path, $x, $y)
1944
1945=cut 2552=cut
2553
2554our $GOTOGEN;
1946 2555
1947sub cf::object::player::goto { 2556sub cf::object::player::goto {
1948 my ($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;
1949 2561
1950 $self->enter_link; 2562 $self->enter_link;
1951 2563
1952 (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
1953 my $map = eval { 2586 my $map = eval {
1954 my $map = cf::map::find $path; 2587 my $map = defined $path ? cf::map::find $path : undef;
2588
2589 if ($map) {
1955 $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
1956 $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 $@;
1957 } or 2602 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
1961 })->prio (1); 2610 })->prio (1);
1962} 2611}
1963 2612
1964=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
1965 2614
2002 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2003 } 2652 }
2004 2653
2005 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
2006 2655
2007 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
2008 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2658 my $meta = "$RANDOMDIR/$md5.meta";
2010 2659
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
2034 my $hp = $exit->stats->hp; 2683 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp; 2684 my $sp = $exit->stats->sp;
2036 2685
2037 $self->enter_link; 2686 $self->enter_link;
2038 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
2039 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
2040 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
2041 unless (eval { 2696 unless (eval {
2042 $self->goto ($slaying, $hp, $sp); 2697 $self->goto ($slaying, $hp, $sp);
2043 2698
2044 1; 2699 1;
2070 2725
2071 utf8::encode $text; 2726 utf8::encode $text;
2072 $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);
2073} 2728}
2074 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
2075=item $client->ext_event ($type, %msg) 2854=item $client->ext_msg ($type, @msg)
2076 2855
2077Sends an exti event to the client. 2856Sends an ext event to the client.
2078 2857
2079=cut 2858=cut
2080 2859
2081sub cf::client::ext_event($$%) { 2860sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 2861 my ($self, $type, @msg) = @_;
2083 2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 2866 push @msg, msgtype => "event_$type";
2085 $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 }
2086} 2887}
2087 2888
2088=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
2089 2890
2090Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
2091the 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>,
2092C<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>.
2093 2894
2094Queries 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
2095reliable at some point in the future. 2896become reliable at some point in the future.
2096 2897
2097=cut 2898=cut
2098 2899
2099sub cf::client::query { 2900sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
2108 utf8::encode $text; 2909 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 2911
2111 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
2113} 2916}
2114 2917
2115cf::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 },
2116 on_reply => sub { 2924 on_reply => sub {
2117 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
2118 2926
2119 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
2120 # get handled first 2928 # get handled first
2132 } else { 2940 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 2942 }
2135 } 2943 }
2136 }, 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 },
2137); 2971);
2138 2972
2139=item $client->async (\&cb) 2973=item $client->async (\&cb)
2140 2974
2141Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
2182our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
2184 3018
2185$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
2186 3020
2187$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));
2188 3026
2189# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
2190 3028
2191=pod 3029=pod
2192 3030
2193The following functions and methods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
2194 3032
2195 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
2196 cf::object::player player 3037 cf::object::player
2197 cf::player peaceful 3038 player
2198 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2199 3045
2200=cut 3046=cut
2201 3047
2202for ( 3048for (
2203 ["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)],
2204 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2206 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2207) { 3055) {
2208 no strict 'refs'; 3056 no strict 'refs';
2279=back 3127=back
2280 3128
2281=cut 3129=cut
2282 3130
2283############################################################################# 3131#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 reset_signals;
2441 local $SIG{__WARN__};
2442 local $SIG{__DIE__};
2443 eval {
2444 close $fh1;
2445
2446 my @res = eval { $cb->(@args) };
2447 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448 };
2449
2450 warn $@ if $@;
2451 _exit 0;
2452 }
2453}
2454
2455
2456
2457#############################################################################
2458# the server's init and main functions 3132# the server's init and main functions
2459 3133
2460sub load_facedata($) { 3134sub load_facedata($) {
2461 my ($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;
2462 3142
2463 warn "loading facedata from $path\n"; 3143 warn "loading facedata from $path\n";
2464 3144
2465 my $facedata; 3145 my $facedata;
2466 0 < aio_load $path, $facedata 3146 0 < aio_load $path, $facedata
2469 $facedata = Coro::Storable::thaw $facedata; 3149 $facedata = Coro::Storable::thaw $facedata;
2470 3150
2471 $facedata->{version} == 2 3151 $facedata->{version} == 2
2472 or cf::cleanup "$path: version mismatch, cannot proceed."; 3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2473 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
2474 { 3161 {
2475 my $faces = $facedata->{faceinfo}; 3162 my $faces = $facedata->{faceinfo};
2476 3163
2477 while (my ($face, $info) = each %$faces) { 3164 while (my ($face, $info) = each %$faces) {
2478 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3166
2479 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3167 cf::face::set_visibility $idx, $info->{visibility};
3168 cf::face::set_magicmap $idx, $info->{magicmap};
2480 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2481 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2482 Coro::cede; 3171
3172 cf::cede_to_tick;
2483 } 3173 }
2484 3174
2485 while (my ($face, $info) = each %$faces) { 3175 while (my ($face, $info) = each %$faces) {
2486 next unless $info->{smooth}; 3176 next unless $info->{smooth};
3177
2487 my $idx = cf::face::find $face 3178 my $idx = cf::face::find $face
2488 or next; 3179 or next;
3180
2489 if (my $smooth = cf::face::find $info->{smooth}) { 3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
2490 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491 } else { 3184 } else {
2492 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
2493 } 3186 }
2494 Coro::cede; 3187
3188 cf::cede_to_tick;
2495 } 3189 }
2496 } 3190 }
2497 3191
2498 { 3192 {
2499 my $anims = $facedata->{animinfo}; 3193 my $anims = $facedata->{animinfo};
2500 3194
2501 while (my ($anim, $info) = each %$anims) { 3195 while (my ($anim, $info) = each %$anims) {
2502 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
2503 Coro::cede; 3197 cf::cede_to_tick;
2504 } 3198 }
2505 3199
2506 cf::anim::invalidate_all; # d'oh 3200 cf::anim::invalidate_all; # d'oh
2507 } 3201 }
2508 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
2509 1 3238 1
2510} 3239}
2511 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, $v);
3266 }
3267};
3268
2512sub reload_regions { 3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
2513 load_resource_file "$MAPDIR/regions" 3274 load_resource_file "$MAPDIR/regions"
2514 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 $_->{match};
3280 }
2515} 3281}
2516 3282
2517sub reload_facedata { 3283sub reload_facedata {
2518 load_facedata "$DATADIR/facedata" 3284 load_facedata "$DATADIR/facedata"
2519 or die "unable to load facedata\n"; 3285 or die "unable to load facedata\n";
2520} 3286}
2521 3287
2522sub reload_archetypes { 3288sub reload_archetypes {
2523 load_resource_file "$DATADIR/archetypes" 3289 load_resource_file "$DATADIR/archetypes"
2524 or die "unable to load archetypes\n"; 3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
2525} 3296}
2526 3297
2527sub reload_treasures { 3298sub reload_treasures {
2528 load_resource_file "$DATADIR/treasures" 3299 load_resource_file "$DATADIR/treasures"
2529 or die "unable to load treasurelists\n"; 3300 or die "unable to load treasurelists\n";
2532sub reload_resources { 3303sub reload_resources {
2533 warn "reloading resource files...\n"; 3304 warn "reloading resource files...\n";
2534 3305
2535 reload_regions; 3306 reload_regions;
2536 reload_facedata; 3307 reload_facedata;
3308 #reload_archetypes;#d#
2537 reload_archetypes; 3309 reload_archetypes;
2538 reload_treasures; 3310 reload_treasures;
2539 3311
2540 warn "finished reloading resource files\n"; 3312 warn "finished reloading resource files\n";
2541} 3313}
2542 3314
2543sub init { 3315sub init {
2544 reload_resources; 3316 reload_resources;
2545} 3317}
2546 3318
2547sub cfg_load { 3319sub reload_config {
2548 open my $fh, "<:utf8", "$CONFDIR/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2549 or return; 3321 or return;
2550 3322
2551 local $/; 3323 local $/;
2552 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2553 3325
2554 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2555 3327
2556 $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};
2557 $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};
2568sub main { 3340sub main {
2569 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2570 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2571 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#
2572 (async { 3344 (async {
2573 Event::one_event; 3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
2574 })->prio (Coro::PRIO_MAX); 3347 })->prio (Coro::PRIO_MAX);
2575 }; 3348 };
2576 3349
2577 cfg_load; 3350 reload_config;
2578 db_init; 3351 db_init;
2579 load_extensions; 3352 load_extensions;
2580 3353
2581 $TICK_WATCHER->start; 3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2582 Event::loop; 3356 EV::loop;
2583} 3357}
2584 3358
2585############################################################################# 3359#############################################################################
2586# initialisation and cleanup 3360# initialisation and cleanup
2587 3361
2588# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2589BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2590 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2591 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2592 reentrant => 0,
2593 data => WF_AUTOCANCEL,
2594 signal => $signal,
2595 prio => 0,
2596 cb => sub {
2597 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2598 },
2599 ); 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
2600 } 3407 1
2601} 3408}
2602 3409
2603sub emergency_save() { 3410sub emergency_save() {
2604 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2605 3412
2611 # and maps saved/destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2612 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2613 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2614 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2615 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616 $pl->save; 3424 $pl->save;
2617 } 3425 }
2618 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2619 3427
2620 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
2659 warn "syncing database to disk"; 3467 warn "syncing database to disk";
2660 BDB::db_env_txn_checkpoint $DB_ENV; 3468 BDB::db_env_txn_checkpoint $DB_ENV;
2661 3469
2662 # 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
2663 3471
2664 warn "cancelling all WF_AUTOCANCEL watchers";
2665 for (Event::all_watchers) {
2666 $_->cancel if $_->data & WF_AUTOCANCEL;
2667 }
2668
2669 warn "flushing outstanding aio requests"; 3472 warn "flushing outstanding aio requests";
2670 for (;;) { 3473 for (;;) {
2671 BDB::flush; 3474 BDB::flush;
2672 IO::AIO::flush; 3475 IO::AIO::flush;
2673 Coro::cede; 3476 Coro::cede_notself;
2674 last unless IO::AIO::nreqs || BDB::nreqs; 3477 last unless IO::AIO::nreqs || BDB::nreqs;
2675 warn "iterate..."; 3478 warn "iterate...";
2676 } 3479 }
2677 3480
2678 ++$RELOAD; 3481 ++$RELOAD;
2682 %EXT_CORO = (); 3485 %EXT_CORO = ();
2683 3486
2684 warn "removing commands"; 3487 warn "removing commands";
2685 %COMMAND = (); 3488 %COMMAND = ();
2686 3489
2687 warn "removing ext commands"; 3490 warn "removing ext/exti commands";
2688 %EXTCMD = (); 3491 %EXTCMD = ();
3492 %EXTICMD = ();
2689 3493
2690 warn "unloading/nuking all extensions"; 3494 warn "unloading/nuking all extensions";
2691 for my $pkg (@EXTS) { 3495 for my $pkg (@EXTS) {
2692 warn "... unloading $pkg"; 3496 warn "... unloading $pkg";
2693 3497
2736 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2737 require cf; 3541 require cf;
2738 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2739 3543
2740 warn "loading config and database again"; 3544 warn "loading config and database again";
2741 cf::cfg_load; 3545 cf::reload_config;
2742 3546
2743 warn "loading extensions"; 3547 warn "loading extensions";
2744 cf::load_extensions; 3548 cf::load_extensions;
2745 3549
2746 warn "reattaching attachments to objects/players"; 3550 warn "reattaching attachments to objects/players";
2753 warn "leaving sync_job"; 3557 warn "leaving sync_job";
2754 3558
2755 1 3559 1
2756 } or do { 3560 } or do {
2757 warn $@; 3561 warn $@;
2758 warn "error while reloading, exiting."; 3562 cf::cleanup "error while reloading, exiting.";
2759 exit 1;
2760 }; 3563 };
2761 3564
2762 warn "reloaded"; 3565 warn "reloaded";
2763}; 3566};
2764 3567
2766 3569
2767sub reload_perl() { 3570sub reload_perl() {
2768 # doing reload synchronously and two reloads happen back-to-back, 3571 # doing reload synchronously and two reloads happen back-to-back,
2769 # coro crashes during coro_state_free->destroy here. 3572 # coro crashes during coro_state_free->destroy here.
2770 3573
2771 $RELOAD_WATCHER ||= Event->timer ( 3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2772 reentrant => 0,
2773 after => 0,
2774 data => WF_AUTOCANCEL,
2775 cb => sub {
2776 do_reload_perl; 3575 do_reload_perl;
2777 undef $RELOAD_WATCHER; 3576 undef $RELOAD_WATCHER;
2778 },
2779 ); 3577 };
2780} 3578}
2781 3579
2782register_command "reload" => sub { 3580register_command "reload" => sub {
2783 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2784 3582
2785 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2786 $who->message ("reloading server."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
2787 async { reload_perl }; 3587 reload_perl;
3588 };
2788 } 3589 }
2789}; 3590};
2790 3591
2791unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2792 3593
2811 my $signal = new Coro::Signal; 3612 my $signal = new Coro::Signal;
2812 push @WAIT_FOR_TICK_BEGIN, $signal; 3613 push @WAIT_FOR_TICK_BEGIN, $signal;
2813 $signal->wait; 3614 $signal->wait;
2814} 3615}
2815 3616
2816$TICK_WATCHER = Event->timer ( 3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2817 reentrant => 0,
2818 parked => 1,
2819 prio => 0,
2820 at => $NEXT_TICK || $TICK,
2821 data => WF_AUTOCANCEL,
2822 cb => sub {
2823 if ($Coro::current != $Coro::main) { 3618 if ($Coro::current != $Coro::main) {
2824 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825 unless ++$bug_warning > 10; 3620 unless ++$bug_warning > 10;
2826 return; 3621 return;
2827 } 3622 }
2828 3623
2829 $NOW = Event::time; 3624 $NOW = $tick_start = EV::now;
2830 3625
2831 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
2832 3627
2833 $RUNTIME += $TICK; 3628 $RUNTIME += $TICK;
2834 $NEXT_TICK += $TICK; 3629 $NEXT_TICK = $_[0]->at;
2835 3630
2836 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837 $NEXT_RUNTIME_WRITE = $NOW + 10; 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838 Coro::async_pool { 3633 Coro::async_pool {
3634 $Coro::current->{desc} = "runtime saver";
2839 write_runtime 3635 write_runtime
2840 or warn "ERROR: unable to write runtime file: $!"; 3636 or warn "ERROR: unable to write runtime file: $!";
2841 };
2842 } 3637 };
3638 }
2843 3639
2844# my $AFTER = Event::time;
2845# warn $AFTER - $NOW;#d#
2846
2847 # if we are delayed by four ticks or more, skip them all
2848 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850 $TICK_WATCHER->at ($NEXT_TICK);
2851 $TICK_WATCHER->start;
2852
2853 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854 $sig->send; 3641 $sig->send;
2855 } 3642 }
2856 while (my $sig = shift @WAIT_FOR_TICK) { 3643 while (my $sig = shift @WAIT_FOR_TICK) {
2857 $sig->send; 3644 $sig->send;
2858 } 3645 }
2859 3646
3647 $LOAD = ($NOW - $tick_start) / $TICK;
3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649
2860 _post_tick; 3650 _post_tick;
2861 }, 3651};
2862); 3652$TICK_WATCHER->priority (EV::MAXPRI);
2863 3653
2864{ 3654{
2865 BDB::max_poll_time $TICK * 0.1; 3655 # configure BDB
2866 $BDB_POLL_WATCHER = Event->io ( 3656
2867 reentrant => 0,
2868 fd => BDB::poll_fileno,
2869 poll => 'r',
2870 prio => 0,
2871 data => WF_AUTOCANCEL,
2872 cb => \&BDB::poll_cb,
2873 );
2874 BDB::min_parallel 8; 3657 BDB::min_parallel 8;
2875 3658 BDB::max_poll_reqs $TICK * 0.1;
2876 BDB::set_sync_prepare { 3659 $Coro::BDB::WATCHER->priority (1);
2877 my $status;
2878 my $current = $Coro::current;
2879 (
2880 sub {
2881 $status = $!;
2882 $current->ready; undef $current;
2883 },
2884 sub {
2885 Coro::schedule while defined $current;
2886 $! = $status;
2887 },
2888 )
2889 };
2890 3660
2891 unless ($DB_ENV) { 3661 unless ($DB_ENV) {
2892 $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);
2893 3667
2894 cf::sync_job { 3668 cf::sync_job {
2895 eval { 3669 eval {
2896 BDB::db_env_open 3670 BDB::db_env_open
2897 $DB_ENV, 3671 $DB_ENV,
2899 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901 0666; 3675 0666;
2902 3676
2903 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906 $DB_ENV->set_lk_detect;
2907 }; 3678 };
2908 3679
2909 cf::cleanup "db_env_open(db): $@" if $@; 3680 cf::cleanup "db_env_open(db): $@" if $@;
2910 }; 3681 };
2911 } 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 };
2912} 3693}
2913 3694
2914{ 3695{
3696 # configure IO::AIO
3697
2915 IO::AIO::min_parallel 8; 3698 IO::AIO::min_parallel 8;
2916
2917 undef $Coro::AIO::WATCHER;
2918 IO::AIO::max_poll_time $TICK * 0.1; 3699 IO::AIO::max_poll_time $TICK * 0.1;
2919 $AIO_POLL_WATCHER = Event->io ( 3700 $Coro::AIO::WATCHER->priority (1);
2920 reentrant => 0,
2921 data => WF_AUTOCANCEL,
2922 fd => IO::AIO::poll_fileno,
2923 poll => 'r',
2924 prio => 6,
2925 cb => \&IO::AIO::poll_cb,
2926 );
2927} 3701}
2928 3702
2929my $_log_backtrace; 3703my $_log_backtrace;
2930 3704
2931sub _log_backtrace { 3705sub _log_backtrace {
2935 3709
2936 # limit the # of concurrent backtraces 3710 # limit the # of concurrent backtraces
2937 if ($_log_backtrace < 2) { 3711 if ($_log_backtrace < 2) {
2938 ++$_log_backtrace; 3712 ++$_log_backtrace;
2939 async { 3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
2940 my @bt = fork_call { 3716 my @bt = fork_call {
2941 @addr = map { sprintf "%x", $_ } @addr; 3717 @addr = map { sprintf "%x", $_ } @addr;
2942 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943 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 |"
2944 or die "addr2line: $!"; 3720 or die "addr2line: $!";

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