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Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::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 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
71 93
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 97our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
79 99
80our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 104our $DB_ENV;
82 105
83our %CFG; 106our %CFG;
84 107
85our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 109our $RUNTIME;
110our $NOW;
87 111
88our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
91 115
92# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 118
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
98 123
99binmode STDOUT; 124binmode STDOUT;
100binmode STDERR; 125binmode STDERR;
101 126
102# read virtual server time, if available 127# read virtual server time, if available
155 180
156The raw value load value from the last tick. 181The raw value load value from the last tick.
157 182
158=item %cf::CFG 183=item %cf::CFG
159 184
160Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 186from wherever your confdir points to.
162 187
163=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
164 189
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 191returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
169=back 200=back
170 201
171=cut 202=cut
172 203
173BEGIN { 204BEGIN {
177 $msg .= "\n" 208 $msg .= "\n"
178 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
179 210
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 212
182 utf8::encode $msg;
183 LOG llevError, $msg; 213 LOG llevError, $msg;
184 }; 214 };
185} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
186 231
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
203)) { 248)) {
204 no strict 'refs'; 249 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 251}
207 252
208$Event::DIED = sub { 253$EV::DIED = sub {
209 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
210}; 255};
256
257#############################################################################
211 258
212=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
213 260
214=over 4 261=over 4
215 262
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 282 $d
236 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
237} 284}
238 285
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
242 287
243Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
244 289
245=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
246 291
247Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
248 300
249=item cf::lock_wait $string 301=item cf::lock_wait $string
250 302
251Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
252 304
255Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
258returned. 310returned.
259 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
260Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
262 317
263=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
264 319
265Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
266 321
267=cut 322=cut
268 323
269our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
270 326
271sub lock_wait($) { 327sub lock_wait($) {
272 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
273 334
274 # wait for lock, if any 335 # wait for lock, if any
275 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 338 Coro::schedule;
283 344
284 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
285 lock_wait $key; 346 lock_wait $key;
286 347
287 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
288 350
289 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
292 } 355 }
293} 356}
294 357
297 360
298 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
299} 362}
300 363
301sub freeze_mainloop { 364sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
303 366
304 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
305 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
306 }; 428 }
307 $TICK_WATCHER->stop; 429};
308 $guard 430
431sub get_slot($;$$) {
432 my ($time, $pri, $name) = @_;
433
434 $time = $TICK * .6 if $time > $TICK * .6;
435 my $sig = new Coro::Signal;
436
437 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439 $SLOT_QUEUE->ready;
440 $sig->wait;
309} 441}
310 442
311=item cf::async { BLOCK } 443=item cf::async { BLOCK }
312 444
313Currently the same as Coro::async_pool, meaning you cannot use 445Currently the same as Coro::async_pool, meaning you cannot use
318 450
319BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
320 452
321=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
322 454
323The design of crossfire+ requires that the main coro ($Coro::main) is 455The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 456is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
458acceptable.
326 459
327If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 462server will be frozen during this time, so the block should either finish
330fast or be very important. 463fast or be very important.
333 466
334sub sync_job(&) { 467sub sync_job(&) {
335 my ($job) = @_; 468 my ($job) = @_;
336 469
337 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 471 my $time = EV::time;
339 472
340 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
342 475
343 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 477
345 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
346 479
347 my $busy = 1; 480 my $busy = 1;
348 my @res; 481 my @res;
349 482
350 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 485 @res = eval { $job->() };
352 warn $@ if $@; 486 warn $@ if $@;
353 undef $busy; 487 undef $busy;
354 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
355 489
356 while ($busy) { 490 while ($busy) {
357 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
358 } 495 }
496 }
359 497
360 $time = Event::time - $time; 498 my $time = EV::time - $time;
361 499
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
366 501
367 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
368 } else { 503 } else {
369 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
370 505
390 $EXT_CORO{$coro+0} = $coro; 525 $EXT_CORO{$coro+0} = $coro;
391 526
392 $coro 527 $coro
393} 528}
394 529
395sub write_runtime { 530=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 531
398 # first touch the runtime file to show we are still running: 532Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 533process, returning the results. Everything must be serialisable with
534Coro::Storable. May, of course, block. Note that the executed sub may
535never block itself or use any form of event handling.
400 536
401 IO::AIO::aio_utime $runtime, undef, undef; 537=cut
402 538
403 my $guard = cf::lock_acquire "write_runtime"; 539sub fork_call(&@) {
540 my ($cb, @args) = @_;
404 541
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542 # we seemingly have to make a local copy of the whole thing,
406 or return; 543 # otherwise perl prematurely frees the stuff :/
544 # TODO: investigate and fix (likely this will be rather laborious)
407 545
408 my $value = $cf::RUNTIME + 90 + 10; 546 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 547 reset_signals;
410 # 60 allows for the watchdog to kill the server. 548 &$cb
549 }, @args;
411 550
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 551 wantarray ? @res : $res[-1]
413 and return; 552}
414 553
415 # always fsync - this file is important 554=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 555
419 # touch it again to show we are up-to-date 556=cut
420 aio_utime $fh, undef, undef;
421 557
422 close $fh 558our %coin_alias = (
423 or return; 559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
424 574
425 aio_rename "$runtime~", $runtime 575sub coin_from_name($) {
426 and return; 576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
579}
427 580
428 warn "runtime file written.\n"; 581=item $value = cf::db_get $family => $key
429 582
583Returns a single value from the environment database.
584
585=item cf::db_put $family => $key => $value
586
587Stores the given C<$value> in the family. It can currently store binary
588data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
589
590=item $db = cf::db_table "name"
591
592Create and/or open a new database table. The string must not be "db" and must be unique
593within each server.
594
595=cut
596
597sub db_table($) {
598 my ($name) = @_;
599 my $db = BDB::db_create $DB_ENV;
600
601 eval {
602 $db->set_flags (BDB::CHKSUM);
603
604 utf8::encode $name;
605 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
606 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
607 cf::cleanup "db_open(db): $!" if $!;
608 };
609 cf::cleanup "db_open(db): $@" if $@;
610
611 $db
612}
613
614our $DB;
615
616sub db_init {
617 cf::sync_job {
618 $DB ||= db_table "db";
619 };
620}
621
622sub db_get($$) {
623 my $key = "$_[0]/$_[1]";
624
625 cf::sync_job {
626 BDB::db_get $DB, undef, $key, my $data;
627
628 $! ? ()
629 : $data
430 1 630 }
631}
632
633sub db_put($$$) {
634 BDB::dbreq_pri 4;
635 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
636}
637
638=item cf::cache $id => [$paths...], $processversion => $process
639
640Generic caching function that returns the value of the resource $id,
641caching and regenerating as required.
642
643This function can block.
644
645=cut
646
647sub cache {
648 my ($id, $src, $processversion, $process) = @_;
649
650 my $meta =
651 join "\x00",
652 $processversion,
653 map {
654 aio_stat $_
655 and Carp::croak "$_: $!";
656
657 ($_, (stat _)[7,9])
658 } @$src;
659
660 my $dbmeta = db_get cache => "$id/meta";
661 if ($dbmeta ne $meta) {
662 # changed, we may need to process
663
664 my @data;
665 my $md5;
666
667 for (0 .. $#$src) {
668 0 <= aio_load $src->[$_], $data[$_]
669 or Carp::croak "$src->[$_]: $!";
670 }
671
672 # if processing is expensive, check
673 # checksum first
674 if (1) {
675 $md5 =
676 join "\x00",
677 $processversion,
678 map {
679 cf::cede_to_tick;
680 ($src->[$_], Digest::MD5::md5_hex $data[$_])
681 } 0.. $#$src;
682
683
684 my $dbmd5 = db_get cache => "$id/md5";
685 if ($dbmd5 eq $md5) {
686 db_put cache => "$id/meta", $meta;
687
688 return db_get cache => "$id/data";
689 }
690 }
691
692 my $t1 = Time::HiRes::time;
693 my $data = $process->(\@data);
694 my $t2 = Time::HiRes::time;
695
696 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
697
698 db_put cache => "$id/data", $data;
699 db_put cache => "$id/md5" , $md5;
700 db_put cache => "$id/meta", $meta;
701
702 return $data;
703 }
704
705 db_get cache => "$id/data"
431} 706}
432 707
433=item cf::datalog type => key => value, ... 708=item cf::datalog type => key => value, ...
434 709
435Log a datalog packet of the given type with the given key-value pairs. 710Log a datalog packet of the given type with the given key-value pairs.
453attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
455 730
456In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 733Deliantra).
459 734
460=over 4 735=over 4
461 736
462=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
463 738
665 _attach $registry, $klass, @attach; 940 _attach $registry, $klass, @attach;
666 } 941 }
667 942
668 $obj->{$name} = \%arg; 943 $obj->{$name} = \%arg;
669 } else { 944 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 945 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 946 }
672 947
673 $obj->{_attachment}{$name} = undef; 948 $obj->{_attachment}{$name} = undef;
674} 949}
675 950
715 "; 990 ";
716 die if $@; 991 die if $@;
717} 992}
718 993
719our $override; 994our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 995our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 996
722sub override { 997sub override {
723 $override = 1; 998 $override = 1;
724 @invoke_results = (); 999 @INVOKE_RESULTS = (@_);
725} 1000}
726 1001
727sub do_invoke { 1002sub do_invoke {
728 my $event = shift; 1003 my $event = shift;
729 my $callbacks = shift; 1004 my $callbacks = shift;
730 1005
731 @invoke_results = (); 1006 @INVOKE_RESULTS = ();
732 1007
733 local $override; 1008 local $override;
734 1009
735 for (@$callbacks) { 1010 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1011 eval { &{$_->[1]} };
745 } 1020 }
746 1021
747 0 1022 0
748} 1023}
749 1024
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1026
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1028
754Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
755 1030
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1031This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1032removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1033results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1034
760=back 1035=back
761 1036
762=cut 1037=cut
763 1038
764############################################################################# 1039#############################################################################
765# object support 1040# object support
1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
1075sub _can_merge {
1076 my ($ob1, $ob2) = @_;
1077
1078 ++$SLOW_MERGES;#d#
1079
1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
1082}
766 1083
767sub reattach { 1084sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1086 my ($obj) = @_;
770 1087
791cf::attachable->attach ( 1108cf::attachable->attach (
792 prio => -1000000, 1109 prio => -1000000,
793 on_instantiate => sub { 1110 on_instantiate => sub {
794 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
795 1112
796 $data = from_json $data; 1113 $data = decode_json $data;
797 1114
798 for (@$data) { 1115 for (@$data) {
799 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
800 1117
801 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1134sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
819 1136
820 sync_job { 1137 sync_job {
821 if (length $$rdata) { 1138 if (length $$rdata) {
1139 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1141 $decname, length $$rdata, scalar @$objs;
824 1142
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1143 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1144 chmod SAVE_MODE, $fh;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1145 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1146 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1147 close $fh;
830 1148
831 if (@$objs) { 1149 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1150 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1155 close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
839 } 1157 }
847 } 1165 }
848 } else { 1166 } else {
849 aio_unlink $filename; 1167 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
851 } 1169 }
852 } 1170 };
853} 1171}
854 1172
855sub object_freezer_as_string { 1173sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
857 1175
869 or return; 1187 or return;
870 1188
871 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
873 or return; 1191 or return;
1192
874 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
875 } 1195 }
876 1196
1197 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1199 $decname, length $data, scalar @{$av || []};
1200
879 return ($data, $av); 1201 ($data, $av)
880} 1202}
1203
1204=head2 COMMAND CALLBACKS
1205
1206=over 4
1207
1208=cut
881 1209
882############################################################################# 1210#############################################################################
883# command handling &c 1211# command handling &c
884 1212
885=item cf::register_command $name => \&callback($ob,$args); 1213=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1226 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1227}
900 1228
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1229=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1230
903Register a callbackf ro execution when the client sends an extcmd packet. 1231Register a callback for execution when the client sends an (synchronous)
1232extcmd packet. Ext commands will be processed in the order they are
1233received by the server, like other user commands. The first argument is
1234the logged-in player. Ext commands can only be processed after a player
1235has logged in successfully.
904 1236
905If the callback returns something, it is sent back as if reply was being 1237If the callback returns something, it is sent back as if reply was being
906called. 1238called.
907 1239
1240=item cf::register_exticmd $name => \&callback($ns,$packet);
1241
1242Register a callback for execution when the client sends an (asynchronous)
1243exticmd packet. Exti commands are processed by the server as soon as they
1244are received, i.e. out of order w.r.t. other commands. The first argument
1245is a client socket. Exti commands can be received anytime, even before
1246log-in.
1247
1248If the callback returns something, it is sent back as if reply was being
1249called.
1250
908=cut 1251=cut
909 1252
910sub register_extcmd { 1253sub register_extcmd {
911 my ($name, $cb) = @_; 1254 my ($name, $cb) = @_;
912 1255
913 $EXTCMD{$name} = $cb; 1256 $EXTCMD{$name} = $cb;
1257}
1258
1259sub register_exticmd {
1260 my ($name, $cb) = @_;
1261
1262 $EXTICMD{$name} = $cb;
914} 1263}
915 1264
916cf::player->attach ( 1265cf::player->attach (
917 on_command => sub { 1266 on_command => sub {
918 my ($pl, $name, $params) = @_; 1267 my ($pl, $name, $params) = @_;
927 cf::override; 1276 cf::override;
928 }, 1277 },
929 on_extcmd => sub { 1278 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1279 my ($pl, $buf) = @_;
931 1280
932 my $msg = eval { from_json $buf }; 1281 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1282
934 if (ref $msg) { 1283 if (ref $msg) {
1284 my ($type, $reply, @payload) =
1285 "ARRAY" eq ref $msg
1286 ? @$msg
1287 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288
1289 my @reply;
1290
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1291 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1292 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1293 }
1294
1295 $pl->ext_reply ($reply, @reply)
1296 if $reply;
1297
940 } else { 1298 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1299 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1300 }
943 1301
944 cf::override; 1302 cf::override;
945 }, 1303 },
946); 1304);
947 1305
948sub load_extension {
949 my ($path) = @_;
950
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
952 my $base = $1;
953 my $pkg = $1;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 }
976 die $@;
977 }
978
979 push @EXTS, $pkg;
980}
981
982sub load_extensions { 1306sub load_extensions {
1307 cf::sync_job {
1308 my %todo;
1309
983 for my $ext (<$LIBDIR/*.ext>) { 1310 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1311 next unless -r $path;
985 eval { 1312
986 load_extension $ext; 1313 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1314 my $base = $1;
1315 my $pkg = $1;
1316 $pkg =~ s/[^[:word:]]/_/g;
1317 $pkg = "ext::$pkg";
1318
1319 open my $fh, "<:utf8", $path
1320 or die "$path: $!";
1321
1322 my $source = do { local $/; <$fh> };
1323
1324 my %ext = (
1325 path => $path,
1326 base => $base,
1327 pkg => $pkg,
1328 );
1329
1330 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332
1333 $ext{source} =
1334 "package $pkg; use strict; use utf8;\n"
1335 . "#line 1 \"$path\"\n{\n"
1336 . $source
1337 . "\n};\n1";
1338
1339 $todo{$base} = \%ext;
1340 }
1341
1342 my %done;
1343 while (%todo) {
1344 my $progress;
1345
1346 while (my ($k, $v) = each %todo) {
1347 for (split /,\s*/, $v->{meta}{depends}) {
1348 goto skip
1349 unless exists $done{$_};
1350 }
1351
1352 warn "... loading '$k' into '$v->{pkg}'\n";
1353
1354 unless (eval $v->{source}) {
1355 my $msg = $@ ? "$v->{path}: $@\n"
1356 : "$v->{base}: extension inactive.\n";
1357
1358 if (exists $v->{meta}{mandatory}) {
1359 warn $msg;
1360 cf::cleanup "mandatory extension failed to load, exiting.";
1361 }
1362
1363 warn $msg;
1364 }
1365
1366 $done{$k} = delete $todo{$k};
1367 push @EXTS, $v->{pkg};
1368 $progress = 1;
987 1 1369 }
988 } or warn "$ext not loaded: $@"; 1370
1371 skip:
1372 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1373 unless $progress;
1374 }
989 } 1375 };
990} 1376}
991 1377
992############################################################################# 1378#############################################################################
993 1379
1380=back
1381
994=head2 CORE EXTENSIONS 1382=head2 CORE EXTENSIONS
995 1383
996Functions and methods that extend core crossfire objects. 1384Functions and methods that extend core crossfire objects.
997 1385
998=cut 1386=cut
1002use Coro::AIO; 1390use Coro::AIO;
1003 1391
1004=head3 cf::player 1392=head3 cf::player
1005 1393
1006=over 4 1394=over 4
1395
1396=item cf::player::num_playing
1397
1398Returns the official number of playing players, as per the Crossfire metaserver rules.
1399
1400=cut
1401
1402sub num_playing {
1403 scalar grep
1404 $_->ob->map
1405 && !$_->hidden
1406 && !$_->ob->flag (cf::FLAG_WIZ),
1407 cf::player::list
1408}
1007 1409
1008=item cf::player::find $login 1410=item cf::player::find $login
1009 1411
1010Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
1011 1413
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1452 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1453
1052 my $pl = load_pl path $login 1454 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1455 or return;
1456
1457 my $pl = cf::player::load_pl $f
1458 or return;
1459 local $cf::PLAYER_LOADING{$login} = $pl;
1460 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1055 } 1462 }
1056 } 1463 }
1057} 1464}
1058 1465
1068 1475
1069 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1071 1478
1072 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1073 Coro::cede; 1480 cf::cede_to_tick;
1074} 1481}
1075 1482
1076sub new($) { 1483sub new($) {
1077 my ($login) = @_; 1484 my ($login) = @_;
1078 1485
1082 $self->{deny_save} = 1; 1489 $self->{deny_save} = 1;
1083 1490
1084 $cf::PLAYER{$login} = $self; 1491 $cf::PLAYER{$login} = $self;
1085 1492
1086 $self 1493 $self
1494}
1495
1496=item $player->send_msg ($channel, $msg, $color, [extra...])
1497
1498=cut
1499
1500sub send_msg {
1501 my $ns = shift->ns
1502 or return;
1503 $ns->send_msg (@_);
1087} 1504}
1088 1505
1089=item $pl->quit_character 1506=item $pl->quit_character
1090 1507
1091Nukes the player without looking back. If logged in, the connection will 1508Nukes the player without looking back. If logged in, the connection will
1146 or return []; 1563 or return [];
1147 1564
1148 my @logins; 1565 my @logins;
1149 1566
1150 for my $login (@$dirs) { 1567 for my $login (@$dirs) {
1568 my $path = path $login;
1569
1570 # a .pst is a dead give-away for a valid player
1571 unless (-e "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1154 1576
1155 utf8::decode $login; 1577 utf8::decode $login;
1156 push @logins, $login; 1578 push @logins, $login;
1157 } 1579 }
1158 1580
1185 } 1607 }
1186 1608
1187 \@paths 1609 \@paths
1188} 1610}
1189 1611
1612=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1613
1614Expand crossfire pod fragments into protocol xml.
1615
1616=cut
1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1629sub expand_cfpod {
1630 my ($self, $pod) = @_;
1631
1632 my $xml;
1633
1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1637
1638 $group =~ s/&/&amp;/g;
1639 $group =~ s/</&lt;/g;
1640
1641 $xml .= $group;
1642 } elsif ($pod =~ m%\G
1643 ([BCGHITU])
1644 <
1645 (?:
1646 ([^<>]*) (?{ $group = $^N })
1647 | < $interior >
1648 )
1649 >
1650 %gcsx
1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671 "")
1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1683
1684 for ($xml) {
1685 # create single paragraphs (very hackish)
1686 s/(?<=\S)\n(?=\w)/ /g;
1687
1688 # compress some whitespace
1689 s/\s+\n/\n/g; # ws line-ends
1690 s/\n\n+/\n/g; # double lines
1691 s/^\n+//; # beginning lines
1692 s/\n+$//; # ending lines
1693 }
1694
1695 $xml
1696}
1697
1698no re 'eval';
1699
1700sub hintmode {
1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1702 $_[0]{hintmode}
1703}
1704
1190=item $player->ext_reply ($msgid, %msg) 1705=item $player->ext_reply ($msgid, @msg)
1191 1706
1192Sends an ext reply to the player. 1707Sends an ext reply to the player.
1193 1708
1194=cut 1709=cut
1195 1710
1196sub ext_reply($$%) { 1711sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1712 my ($self, $id, @msg) = @_;
1198 1713
1199 $msg{msgid} = $id; 1714 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1715}
1203 1716
1204=item $player->ext_event ($type, %msg) 1717=item $player->ext_msg ($type, @msg)
1205 1718
1206Sends an ext event to the client. 1719Sends an ext event to the client.
1207 1720
1208=cut 1721=cut
1209 1722
1210sub ext_event($$%) { 1723sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1724 my ($self, $type, @msg) = @_;
1212 1725
1213 $self->ns->ext_event ($type, %msg); 1726 $self->ns->ext_msg ($type, @msg);
1214} 1727}
1215 1728
1216=head3 cf::region 1729=head3 cf::region
1217 1730
1218=over 4 1731=over 4
1221 1734
1222package cf::region; 1735package cf::region;
1223 1736
1224=item cf::region::find_by_path $path 1737=item cf::region::find_by_path $path
1225 1738
1226Tries to decuce the probable region for a map knowing only its path. 1739Tries to decuce the likely region for a map knowing only its path.
1227 1740
1228=cut 1741=cut
1229 1742
1230sub find_by_path($) { 1743sub find_by_path($) {
1231 my ($path) = @_; 1744 my ($path) = @_;
1232 1745
1233 my ($match, $specificity); 1746 my ($match, $specificity);
1234 1747
1235 for my $region (list) { 1748 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1749 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1750 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1751 if $region->specificity > $specificity;
1239 } 1752 }
1240 } 1753 }
1241 1754
1262our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1264 1777
1265sub generate_random_map { 1778sub generate_random_map {
1266 my ($self, $rmp) = @_; 1779 my ($self, $rmp) = @_;
1780
1781 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782
1267 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1784 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1305 my ($self, $merge) = @_; 1821 my ($self, $merge) = @_;
1306 1822
1307 # we have to keep some variables in memory intact 1823 # we have to keep some variables in memory intact
1308 local $self->{path}; 1824 local $self->{path};
1309 local $self->{load_path}; 1825 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312 1826
1313 $self->SUPER::thawer_merge ($merge); 1827 $self->SUPER::thawer_merge ($merge);
1314} 1828}
1315 1829
1316sub normalise { 1830sub normalise {
1363 $self->init; # pass $1 etc. 1877 $self->init; # pass $1 etc.
1364 return $self; 1878 return $self;
1365 } 1879 }
1366 } 1880 }
1367 1881
1368 Carp::carp "unable to resolve path '$path' (base '$base')."; 1882 Carp::cluck "unable to resolve path '$path' (base '$base').";
1369 () 1883 ()
1370} 1884}
1371 1885
1372sub init { 1886sub init {
1373 my ($self) = @_; 1887 my ($self) = @_;
1416 1930
1417 $_->change_map_light ($change) 1931 $_->change_map_light ($change)
1418 for grep $_->outdoor, values %cf::MAP; 1932 for grep $_->outdoor, values %cf::MAP;
1419} 1933}
1420 1934
1935sub decay_objects {
1936 my ($self) = @_;
1937
1938 return if $self->{deny_reset};
1939
1940 $self->do_decay_objects;
1941}
1942
1421sub unlink_save { 1943sub unlink_save {
1422 my ($self) = @_; 1944 my ($self) = @_;
1423 1945
1424 utf8::encode (my $save = $self->save_path); 1946 utf8::encode (my $save = $self->save_path);
1425 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1947 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1428 1950
1429sub load_header_from($) { 1951sub load_header_from($) {
1430 my ($self, $path) = @_; 1952 my ($self, $path) = @_;
1431 1953
1432 utf8::encode $path; 1954 utf8::encode $path;
1433 #aio_open $path, O_RDONLY, 0 1955 my $f = new_from_file cf::object::thawer $path
1434 # or return;
1435
1436 $self->_load_header ($path)
1437 or return; 1956 or return;
1957
1958 $self->_load_header ($f)
1959 or return;
1960
1961 local $MAP_LOADING{$self->{path}} = $self;
1962 $f->resolve_delayed_derefs;
1438 1963
1439 $self->{load_path} = $path; 1964 $self->{load_path} = $path;
1440 1965
1441 1 1966 1
1442} 1967}
1481 $self->load_header_orig 2006 $self->load_header_orig
1482 or return; 2007 or return;
1483 $self->prepare_orig; 2008 $self->prepare_orig;
1484 } 2009 }
1485 2010
2011 $self->{deny_reset} = 1
2012 if $self->no_reset;
2013
1486 $self->default_region (cf::region::find_by_path $self->{path}) 2014 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region; 2015 unless $self->default_region;
1488 2016
1489 1 2017 1
1490} 2018}
1493sub find { 2021sub find {
1494 my ($path, $origin) = @_; 2022 my ($path, $origin) = @_;
1495 2023
1496 $path = normalise $path, $origin && $origin->path; 2024 $path = normalise $path, $origin && $origin->path;
1497 2025
2026 cf::lock_wait "map_data:$path";#d#remove
1498 cf::lock_wait "map_find:$path"; 2027 cf::lock_wait "map_find:$path";
1499 2028
1500 $cf::MAP{$path} || do { 2029 $cf::MAP{$path} || do {
1501 my $guard = cf::lock_acquire "map_find:$path"; 2030 my $guard1 = cf::lock_acquire "map_find:$path";
2031 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
1502 my $map = new_from_path cf::map $path 2033 my $map = new_from_path cf::map $path
1503 or return; 2034 or return;
1504 2035
1505 $map->{last_save} = $cf::RUNTIME; 2036 $map->{last_save} = $cf::RUNTIME;
1506 2037
1507 $map->load_header 2038 $map->load_header
1508 or return; 2039 or return;
1509 2040
1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2041 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously 2042 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait; 2043 #$cf::WAIT_FOR_TICK->wait;
2044 undef $guard1;
2045 undef $guard2;
1513 $map->reset; 2046 $map->reset;
1514 undef $guard;
1515 return find $path; 2047 return find $path;
1516 } 2048 }
1517 2049
1518 $cf::MAP{$path} = $map 2050 $cf::MAP{$path} = $map
1519 } 2051 }
1528 local $self->{deny_reset} = 1; # loading can take a long time 2060 local $self->{deny_reset} = 1; # loading can take a long time
1529 2061
1530 my $path = $self->{path}; 2062 my $path = $self->{path};
1531 2063
1532 { 2064 {
1533 my $guard = cf::lock_acquire "map_load:$path"; 2065 my $guard = cf::lock_acquire "map_data:$path";
1534 2066
2067 return unless $self->valid;
1535 return if $self->in_memory != cf::MAP_SWAPPED; 2068 return unless $self->in_memory == cf::MAP_SWAPPED;
1536 2069
1537 $self->in_memory (cf::MAP_LOADING); 2070 $self->in_memory (cf::MAP_LOADING);
1538 2071
1539 $self->alloc; 2072 $self->alloc;
1540 2073
1541 $self->pre_load; 2074 $self->pre_load;
1542 Coro::cede; 2075 cf::cede_to_tick;
1543 2076
2077 my $f = new_from_file cf::object::thawer $self->{load_path};
2078 $f->skip_block;
1544 $self->_load_objects ($self->{load_path}, 1) 2079 $self->_load_objects ($f)
1545 or return; 2080 or return;
1546 2081
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2082 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548 if delete $self->{load_original}; 2083 if delete $self->{load_original};
1549 2084
1550 if (my $uniq = $self->uniq_path) { 2085 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq; 2086 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) { 2087 unless (aio_stat $uniq) {
2088 if (my $f = new_from_file cf::object::thawer $uniq) {
1553 $self->clear_unique_items; 2089 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0); 2090 $self->_load_objects ($f);
2091 $f->resolve_delayed_derefs;
2092 }
1555 } 2093 }
1556 } 2094 }
1557 2095
1558 Coro::cede; 2096 $f->resolve_delayed_derefs;
2097
2098 cf::cede_to_tick;
1559 # now do the right thing for maps 2099 # now do the right thing for maps
1560 $self->link_multipart_objects; 2100 $self->link_multipart_objects;
1561 $self->difficulty ($self->estimate_difficulty) 2101 $self->difficulty ($self->estimate_difficulty)
1562 unless $self->difficulty; 2102 unless $self->difficulty;
1563 Coro::cede; 2103 cf::cede_to_tick;
1564 2104
1565 unless ($self->{deny_activate}) { 2105 unless ($self->{deny_activate}) {
1566 $self->decay_objects; 2106 $self->decay_objects;
1567 $self->fix_auto_apply; 2107 $self->fix_auto_apply;
1568 $self->update_buttons; 2108 $self->update_buttons;
1569 Coro::cede; 2109 cf::cede_to_tick;
1570 $self->set_darkness_map; 2110 $self->set_darkness_map;
1571 Coro::cede; 2111 cf::cede_to_tick;
1572 $self->activate; 2112 $self->activate;
1573 } 2113 }
2114
2115 $self->{last_save} = $cf::RUNTIME;
2116 $self->last_access ($cf::RUNTIME);
1574 2117
1575 $self->in_memory (cf::MAP_IN_MEMORY); 2118 $self->in_memory (cf::MAP_IN_MEMORY);
1576 } 2119 }
1577 2120
1578 $self->post_load; 2121 $self->post_load;
1582 my ($self, $ob) = @_; 2125 my ($self, $ob) = @_;
1583 2126
1584 return find "~" . $ob->name . "/" . $self->{path} 2127 return find "~" . $ob->name . "/" . $self->{path}
1585 if $self->per_player; 2128 if $self->per_player;
1586 2129
2130# return find "?party/" . $ob->name . "/" . $self->{path}
2131# if $self->per_party;
2132
1587 $self 2133 $self
1588} 2134}
1589 2135
1590# find and load all maps in the 3x3 area around a map 2136# find and load all maps in the 3x3 area around a map
1591sub load_diag { 2137sub load_neighbours {
1592 my ($map) = @_; 2138 my ($map) = @_;
1593 2139
1594 my @diag; # diagonal neighbours 2140 my @neigh; # diagonal neighbours
1595 2141
1596 for (0 .. 3) { 2142 for (0 .. 3) {
1597 my $neigh = $map->tile_path ($_) 2143 my $neigh = $map->tile_path ($_)
1598 or next; 2144 or next;
1599 $neigh = find $neigh, $map 2145 $neigh = find $neigh, $map
1600 or next; 2146 or next;
1601 $neigh->load; 2147 $neigh->load;
1602 2148
2149 push @neigh,
1603 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2150 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2151 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1605 } 2152 }
1606 2153
1607 for (@diag) { 2154 for (grep defined $_->[0], @neigh) {
2155 my ($path, $origin) = @$_;
1608 my $neigh = find @$_ 2156 my $neigh = find $path, $origin
1609 or next; 2157 or next;
1610 $neigh->load; 2158 $neigh->load;
1611 } 2159 }
1612} 2160}
1613 2161
1618} 2166}
1619 2167
1620sub do_load_sync { 2168sub do_load_sync {
1621 my ($map) = @_; 2169 my ($map) = @_;
1622 2170
2171 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2172 if $Coro::current == $Coro::main;
2173
1623 cf::sync_job { $map->load }; 2174 cf::sync_job { $map->load };
1624} 2175}
1625 2176
1626our %MAP_PREFETCH; 2177our %MAP_PREFETCH;
1627our $MAP_PREFETCHER = undef; 2178our $MAP_PREFETCHER = undef;
1628 2179
1629sub find_async { 2180sub find_async {
1630 my ($path, $origin) = @_; 2181 my ($path, $origin, $load) = @_;
1631 2182
1632 $path = normalise $path, $origin && $origin->{path}; 2183 $path = normalise $path, $origin && $origin->{path};
1633 2184
1634 if (my $map = $cf::MAP{$path}) { 2185 if (my $map = $cf::MAP{$path}) {
1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2186 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636 } 2187 }
1637 2188
1638 undef $MAP_PREFETCH{$path}; 2189 $MAP_PREFETCH{$path} |= $load;
2190
1639 $MAP_PREFETCHER ||= cf::async { 2191 $MAP_PREFETCHER ||= cf::async {
2192 $Coro::current->{desc} = "map prefetcher";
2193
1640 while (%MAP_PREFETCH) { 2194 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) { 2195 while (my ($k, $v) = each %MAP_PREFETCH) {
1642 my $map = find $path 2196 if (my $map = find $k) {
1643 or next;
1644 $map->load; 2197 $map->load if $v;
2198 }
1645 2199
1646 delete $MAP_PREFETCH{$path}; 2200 delete $MAP_PREFETCH{$k};
1647 } 2201 }
1648 } 2202 }
1649 undef $MAP_PREFETCHER; 2203 undef $MAP_PREFETCHER;
1650 }; 2204 };
1651 $MAP_PREFETCHER->prio (6); 2205 $MAP_PREFETCHER->prio (6);
1654} 2208}
1655 2209
1656sub save { 2210sub save {
1657 my ($self) = @_; 2211 my ($self) = @_;
1658 2212
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2214
1661 $self->{last_save} = $cf::RUNTIME; 2215 $self->{last_save} = $cf::RUNTIME;
1662 2216
1663 return unless $self->dirty; 2217 return unless $self->dirty;
1664 2218
1670 return if $self->{deny_save}; 2224 return if $self->{deny_save};
1671 2225
1672 local $self->{last_access} = $self->last_access;#d# 2226 local $self->{last_access} = $self->last_access;#d#
1673 2227
1674 cf::async { 2228 cf::async {
2229 $Coro::current->{desc} = "map player save";
1675 $_->contr->save for $self->players; 2230 $_->contr->save for $self->players;
1676 }; 2231 };
1677 2232
1678 if ($uniq) { 2233 if ($uniq) {
1679 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2234 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1687 my ($self) = @_; 2242 my ($self) = @_;
1688 2243
1689 # save first because save cedes 2244 # save first because save cedes
1690 $self->save; 2245 $self->save;
1691 2246
1692 my $lock = cf::lock_acquire "map_data:" . $self->path; 2247 my $lock = cf::lock_acquire "map_data:$self->{path}";
1693 2248
1694 return if $self->players; 2249 return if $self->players;
1695 return if $self->in_memory != cf::MAP_IN_MEMORY; 2250 return if $self->in_memory != cf::MAP_IN_MEMORY;
1696 return if $self->{deny_save}; 2251 return if $self->{deny_save};
1697 2252
2253 $self->in_memory (cf::MAP_SWAPPED);
2254
2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
1698 $self->clear; 2257 $self->clear;
1699 $self->in_memory (cf::MAP_SWAPPED);
1700} 2258}
1701 2259
1702sub reset_at { 2260sub reset_at {
1703 my ($self) = @_; 2261 my ($self) = @_;
1704 2262
1705 # TODO: safety, remove and allow resettable per-player maps 2263 # TODO: safety, remove and allow resettable per-player maps
1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1707 return 1e99 if $self->{deny_reset}; 2264 return 1e99 if $self->{deny_reset};
1708 2265
1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2266 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2267 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711 2268
1722 my ($self) = @_; 2279 my ($self) = @_;
1723 2280
1724 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2281 my $lock = cf::lock_acquire "map_data:$self->{path}";
1725 2282
1726 return if $self->players; 2283 return if $self->players;
1727 return if $self->isa ("ext::map_per_player");#d#
1728 2284
1729 warn "resetting map ", $self->path; 2285 warn "resetting map ", $self->path;
1730 2286
1731 $self->in_memory (cf::MAP_SWAPPED); 2287 $self->in_memory (cf::MAP_SWAPPED);
1732 2288
1738 if $uniq; 2294 if $uniq;
1739 } 2295 }
1740 2296
1741 delete $cf::MAP{$self->path}; 2297 delete $cf::MAP{$self->path};
1742 2298
2299 $self->deactivate;
2300 $_->clear_links_to ($self) for values %cf::MAP;
1743 $self->clear; 2301 $self->clear;
1744
1745 $_->clear_links_to ($self) for values %cf::MAP;
1746 2302
1747 $self->unlink_save; 2303 $self->unlink_save;
1748 $self->destroy; 2304 $self->destroy;
1749} 2305}
1750 2306
1751my $nuke_counter = "aaaa"; 2307my $nuke_counter = "aaaa";
1752 2308
1753sub nuke { 2309sub nuke {
1754 my ($self) = @_; 2310 my ($self) = @_;
1755 2311
2312 {
2313 my $lock = cf::lock_acquire "map_data:$self->{path}";
2314
1756 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
1757 2316
1758 $self->unlink_save; 2317 $self->unlink_save;
1759 2318
1760 bless $self, "cf::map"; 2319 bless $self, "cf::map";
1761 delete $self->{deny_reset}; 2320 delete $self->{deny_reset};
1762 $self->{deny_save} = 1; 2321 $self->{deny_save} = 1;
1763 $self->reset_timeout (1); 2322 $self->reset_timeout (1);
1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2323 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765 2324
1766 $cf::MAP{$self->path} = $self; 2325 $cf::MAP{$self->path} = $self;
2326 }
1767 2327
1768 $self->reset; # polite request, might not happen 2328 $self->reset; # polite request, might not happen
2329}
2330
2331=item $maps = cf::map::tmp_maps
2332
2333Returns an arrayref with all map paths of currently instantiated and saved
2334maps. May block.
2335
2336=cut
2337
2338sub tmp_maps() {
2339 [
2340 map {
2341 utf8::decode $_;
2342 /\.map$/
2343 ? normalise $_
2344 : ()
2345 } @{ aio_readdir $TMPDIR or [] }
2346 ]
2347}
2348
2349=item $maps = cf::map::random_maps
2350
2351Returns an arrayref with all map paths of currently instantiated and saved
2352random maps. May block.
2353
2354=cut
2355
2356sub random_maps() {
2357 [
2358 map {
2359 utf8::decode $_;
2360 /\.map$/
2361 ? normalise "?random/$_"
2362 : ()
2363 } @{ aio_readdir $RANDOMDIR or [] }
2364 ]
1769} 2365}
1770 2366
1771=item cf::map::unique_maps 2367=item cf::map::unique_maps
1772 2368
1773Returns an arrayref of paths of all shared maps that have 2369Returns an arrayref of paths of all shared maps that have
1774instantiated unique items. May block. 2370instantiated unique items. May block.
1775 2371
1776=cut 2372=cut
1777 2373
1778sub unique_maps() { 2374sub unique_maps() {
1779 my $files = aio_readdir $UNIQUEDIR 2375 [
1780 or return; 2376 map {
1781
1782 my @paths;
1783
1784 for (@$files) {
1785 utf8::decode $_; 2377 utf8::decode $_;
1786 next if /\.pst$/; 2378 /\.map$/
1787 next unless /^$PATH_SEP/o; 2379 ? normalise $_
1788 2380 : ()
1789 push @paths, cf::map::normalise $_; 2381 } @{ aio_readdir $UNIQUEDIR or [] }
1790 } 2382 ]
1791
1792 \@paths
1793} 2383}
1794
1795package cf;
1796 2384
1797=back 2385=back
1798 2386
1799=head3 cf::object 2387=head3 cf::object
1800 2388
1815 map { $_, inv_recursive_ $_->inv } @_ 2403 map { $_, inv_recursive_ $_->inv } @_
1816} 2404}
1817 2405
1818sub inv_recursive { 2406sub inv_recursive {
1819 inv_recursive_ inv $_[0] 2407 inv_recursive_ inv $_[0]
2408}
2409
2410=item $ref = $ob->ref
2411
2412creates and returns a persistent reference to an objetc that can be stored as a string.
2413
2414=item $ob = cf::object::deref ($refstring)
2415
2416returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2417even if the object actually exists. May block.
2418
2419=cut
2420
2421sub deref {
2422 my ($ref) = @_;
2423
2424 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2425 my ($uuid, $name) = ($1, $2);
2426 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2427 or return;
2428 $pl->ob->uuid eq $uuid
2429 or return;
2430
2431 $pl->ob
2432 } else {
2433 warn "$ref: cannot resolve object reference\n";
2434 undef
2435 }
1820} 2436}
1821 2437
1822package cf; 2438package cf;
1823 2439
1824=back 2440=back
1843 2459
1844 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2460 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845 2461
1846 if ($self->{record_replies}) { 2462 if ($self->{record_replies}) {
1847 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2463 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2464
1848 } else { 2465 } else {
2466 my $pl = $self->contr;
2467
2468 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2469 my $dialog = $pl->{npc_dialog};
2470 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2471
2472 } else {
1849 $msg = $npc->name . " says: $msg" if $npc; 2473 $msg = $npc->name . " says: $msg" if $npc;
1850 $self->message ($msg, $flags); 2474 $self->message ($msg, $flags);
2475 }
1851 } 2476 }
2477}
2478
2479=item $object->send_msg ($channel, $msg, $color, [extra...])
2480
2481=cut
2482
2483sub cf::object::send_msg {
2484 my $pl = shift->contr
2485 or return;
2486 $pl->send_msg (@_);
1852} 2487}
1853 2488
1854=item $player_object->may ("access") 2489=item $player_object->may ("access")
1855 2490
1856Returns wether the given player is authorized to access resource "access" 2491Returns wether the given player is authorized to access resource "access"
1935 # use -1 or undef as default coordinates, not 0, 0 2570 # use -1 or undef as default coordinates, not 0, 0
1936 ($x, $y) = ($map->enter_x, $map->enter_y) 2571 ($x, $y) = ($map->enter_x, $map->enter_y)
1937 if $x <=0 && $y <= 0; 2572 if $x <=0 && $y <= 0;
1938 2573
1939 $map->load; 2574 $map->load;
1940 $map->load_diag; 2575 $map->load_neighbours;
1941 2576
1942 return unless $self->contr->active; 2577 return unless $self->contr->active;
1943 $self->activate_recursive; 2578 $self->activate_recursive;
1944 2579
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2580 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946 $self->enter_map ($map, $x, $y); 2581 $self->enter_map ($map, $x, $y);
1947} 2582}
1948 2583
1949=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2584=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950 2585
1951Moves the player to the given map-path and coordinates by first freezing 2586Moves the player to the given map-path and coordinates by first freezing
1952her, loading and preparing them map, calling the provided $check callback 2587her, loading and preparing them map, calling the provided $check callback
1953that has to return the map if sucecssful, and then unfreezes the player on 2588that has to return the map if sucecssful, and then unfreezes the player on
1954the new (success) or old (failed) map position. 2589the new (success) or old (failed) map position. In either case, $done will
2590be called at the end of this process.
1955 2591
1956=cut 2592=cut
1957 2593
1958our $GOTOGEN; 2594our $GOTOGEN;
1959 2595
1960sub cf::object::player::goto { 2596sub cf::object::player::goto {
1961 my ($self, $path, $x, $y, $check) = @_; 2597 my ($self, $path, $x, $y, $check, $done) = @_;
1962 2598
1963 # do generation counting so two concurrent goto's will be executed in-order 2599 # do generation counting so two concurrent goto's will be executed in-order
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2600 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965 2601
1966 $self->enter_link; 2602 $self->enter_link;
1967 2603
1968 (async { 2604 (async {
2605 $Coro::current->{desc} = "player::goto $path $x $y";
2606
2607 # *tag paths override both path and x|y
2608 if ($path =~ /^\*(.*)$/) {
2609 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2610 my $ob = $obs[rand @obs];
2611
2612 # see if we actually can go there
2613 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2614 $ob = $obs[rand @obs];
2615 } else {
2616 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2617 }
2618 # else put us there anyways for now #d#
2619
2620 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2621 } else {
2622 ($path, $x, $y) = (undef, undef, undef);
2623 }
2624 }
2625
1969 my $map = eval { 2626 my $map = eval {
1970 my $map = cf::map::find $path; 2627 my $map = defined $path ? cf::map::find $path : undef;
1971 2628
1972 if ($map) { 2629 if ($map) {
1973 $map = $map->customise_for ($self); 2630 $map = $map->customise_for ($self);
1974 $map = $check->($map) if $check && $map; 2631 $map = $check->($map) if $check && $map;
1975 } else { 2632 } else {
1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2633 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977 } 2634 }
1978 2635
1979 $map 2636 $map
1980 }; 2637 };
1981 2638
1986 2643
1987 if ($gen == $self->{_goto_generation}) { 2644 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation}; 2645 delete $self->{_goto_generation};
1989 $self->leave_link ($map, $x, $y); 2646 $self->leave_link ($map, $x, $y);
1990 } 2647 }
2648
2649 $done->() if $done;
1991 })->prio (1); 2650 })->prio (1);
1992} 2651}
1993 2652
1994=item $player_object->enter_exit ($exit_object) 2653=item $player_object->enter_exit ($exit_object)
1995 2654
2032 $rmp->{origin_y} = $exit->y; 2691 $rmp->{origin_y} = $exit->y;
2033 } 2692 }
2034 2693
2035 $rmp->{random_seed} ||= $exit->random_seed; 2694 $rmp->{random_seed} ||= $exit->random_seed;
2036 2695
2037 my $data = cf::to_json $rmp; 2696 my $data = cf::encode_json $rmp;
2038 my $md5 = Digest::MD5::md5_hex $data; 2697 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta"; 2698 my $meta = "$RANDOMDIR/$md5.meta";
2040 2699
2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2700 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042 aio_write $fh, 0, (length $data), $data, 0; 2701 aio_write $fh, 0, (length $data), $data, 0;
2064 my $hp = $exit->stats->hp; 2723 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp; 2724 my $sp = $exit->stats->sp;
2066 2725
2067 $self->enter_link; 2726 $self->enter_link;
2068 2727
2728 # if exit is damned, update players death & WoR home-position
2729 $self->contr->savebed ($slaying, $hp, $sp)
2730 if $exit->flag (FLAG_DAMNED);
2731
2069 (async { 2732 (async {
2733 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2734
2070 $self->deactivate_recursive; # just to be sure 2735 $self->deactivate_recursive; # just to be sure
2071 unless (eval { 2736 unless (eval {
2072 $self->goto ($slaying, $hp, $sp); 2737 $self->goto ($slaying, $hp, $sp);
2073 2738
2074 1; 2739 1;
2100 2765
2101 utf8::encode $text; 2766 utf8::encode $text;
2102 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2767 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103} 2768}
2104 2769
2770=item $client->send_msg ($channel, $msg, $color, [extra...])
2771
2772Send a drawinfo or msg packet to the client, formatting the msg for the
2773client if neccessary. C<$type> should be a string identifying the type of
2774the message, with C<log> being the default. If C<$color> is negative, suppress
2775the message unless the client supports the msg packet.
2776
2777=cut
2778
2779# non-persistent channels (usually the info channel)
2780our %CHANNEL = (
2781 "c/identify" => {
2782 id => "infobox",
2783 title => "Identify",
2784 reply => undef,
2785 tooltip => "Items recently identified",
2786 },
2787 "c/examine" => {
2788 id => "infobox",
2789 title => "Examine",
2790 reply => undef,
2791 tooltip => "Signs and other items you examined",
2792 },
2793 "c/book" => {
2794 id => "infobox",
2795 title => "Book",
2796 reply => undef,
2797 tooltip => "The contents of a note or book",
2798 },
2799 "c/lookat" => {
2800 id => "infobox",
2801 title => "Look",
2802 reply => undef,
2803 tooltip => "What you saw there",
2804 },
2805 "c/who" => {
2806 id => "infobox",
2807 title => "Players",
2808 reply => undef,
2809 tooltip => "Shows players who are currently online",
2810 },
2811 "c/body" => {
2812 id => "infobox",
2813 title => "Body Parts",
2814 reply => undef,
2815 tooltip => "Shows which body parts you posess and are available",
2816 },
2817 "c/uptime" => {
2818 id => "infobox",
2819 title => "Uptime",
2820 reply => undef,
2821 tooltip => "How long the server has been running since last restart",
2822 },
2823 "c/mapinfo" => {
2824 id => "infobox",
2825 title => "Map Info",
2826 reply => undef,
2827 tooltip => "Information related to the maps",
2828 },
2829);
2830
2831sub cf::client::send_msg {
2832 my ($self, $channel, $msg, $color, @extra) = @_;
2833
2834 $msg = $self->pl->expand_cfpod ($msg);
2835
2836 $color &= cf::NDI_CLIENT_MASK; # just in case...
2837
2838 # check predefined channels, for the benefit of C
2839 if ($CHANNEL{$channel}) {
2840 $channel = $CHANNEL{$channel};
2841
2842 $self->ext_msg (channel_info => $channel)
2843 if $self->can_msg;
2844
2845 $channel = $channel->{id};
2846
2847 } elsif (ref $channel) {
2848 # send meta info to client, if not yet sent
2849 unless (exists $self->{channel}{$channel->{id}}) {
2850 $self->{channel}{$channel->{id}} = $channel;
2851 $self->ext_msg (channel_info => $channel)
2852 if $self->can_msg;
2853 }
2854
2855 $channel = $channel->{id};
2856 }
2857
2858 return unless @extra || length $msg;
2859
2860 if ($self->can_msg) {
2861 # default colour, mask it out
2862 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2863 if $color & cf::NDI_DEF;
2864
2865 $self->send_packet ("msg " . $self->{json_coder}->encode (
2866 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2867 } else {
2868 if ($color >= 0) {
2869 # replace some tags by gcfclient-compatible ones
2870 for ($msg) {
2871 1 while
2872 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2873 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2874 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2875 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2876 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2877 }
2878
2879 $color &= cf::NDI_COLOR_MASK;
2880
2881 utf8::encode $msg;
2882
2883 if (0 && $msg =~ /\[/) {
2884 # COMMAND/INFO
2885 $self->send_packet ("drawextinfo $color 10 8 $msg")
2886 } else {
2887 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2888 $self->send_packet ("drawinfo $color $msg")
2889 }
2890 }
2891 }
2892}
2893
2105=item $client->ext_event ($type, %msg) 2894=item $client->ext_msg ($type, @msg)
2106 2895
2107Sends an exti event to the client. 2896Sends an ext event to the client.
2108 2897
2109=cut 2898=cut
2110 2899
2111sub cf::client::ext_event($$%) { 2900sub cf::client::ext_msg($$@) {
2112 my ($self, $type, %msg) = @_; 2901 my ($self, $type, @msg) = @_;
2113 2902
2903 if ($self->extcmd == 2) {
2904 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2905 } elsif ($self->extcmd == 1) { # TODO: remove
2114 $msg{msgtype} = "event_$type"; 2906 push @msg, msgtype => "event_$type";
2115 $self->send_packet ("ext " . cf::to_json \%msg); 2907 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2908 }
2909}
2910
2911=item $client->ext_reply ($msgid, @msg)
2912
2913Sends an ext reply to the client.
2914
2915=cut
2916
2917sub cf::client::ext_reply($$@) {
2918 my ($self, $id, @msg) = @_;
2919
2920 if ($self->extcmd == 2) {
2921 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2922 } elsif ($self->extcmd == 1) {
2923 #TODO: version 1, remove
2924 unshift @msg, msgtype => "reply", msgid => $id;
2925 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2926 }
2116} 2927}
2117 2928
2118=item $success = $client->query ($flags, "text", \&cb) 2929=item $success = $client->query ($flags, "text", \&cb)
2119 2930
2120Queues a query to the client, calling the given callback with 2931Queues a query to the client, calling the given callback with
2121the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2932the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2933C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123 2934
2124Queries can fail, so check the return code. Or don't, as queries will become 2935Queries can fail, so check the return code. Or don't, as queries will
2125reliable at some point in the future. 2936become reliable at some point in the future.
2126 2937
2127=cut 2938=cut
2128 2939
2129sub cf::client::query { 2940sub cf::client::query {
2130 my ($self, $flags, $text, $cb) = @_; 2941 my ($self, $flags, $text, $cb) = @_;
2138 utf8::encode $text; 2949 utf8::encode $text;
2139 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2950 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140 2951
2141 $self->send_packet ($self->{query_queue}[0][0]) 2952 $self->send_packet ($self->{query_queue}[0][0])
2142 if @{ $self->{query_queue} } == 1; 2953 if @{ $self->{query_queue} } == 1;
2954
2955 1
2143} 2956}
2144 2957
2145cf::client->attach ( 2958cf::client->attach (
2959 on_connect => sub {
2960 my ($ns) = @_;
2961
2962 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2963 },
2146 on_reply => sub { 2964 on_reply => sub {
2147 my ($ns, $msg) = @_; 2965 my ($ns, $msg) = @_;
2148 2966
2149 # this weird shuffling is so that direct followup queries 2967 # this weird shuffling is so that direct followup queries
2150 # get handled first 2968 # get handled first
2162 } else { 2980 } else {
2163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2981 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164 } 2982 }
2165 } 2983 }
2166 }, 2984 },
2985 on_exticmd => sub {
2986 my ($ns, $buf) = @_;
2987
2988 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2989
2990 if (ref $msg) {
2991 my ($type, $reply, @payload) =
2992 "ARRAY" eq ref $msg
2993 ? @$msg
2994 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2995
2996 my @reply;
2997
2998 if (my $cb = $EXTICMD{$type}) {
2999 @reply = $cb->($ns, @payload);
3000 }
3001
3002 $ns->ext_reply ($reply, @reply)
3003 if $reply;
3004
3005 } else {
3006 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3007 }
3008
3009 cf::override;
3010 },
2167); 3011);
2168 3012
2169=item $client->async (\&cb) 3013=item $client->async (\&cb)
2170 3014
2171Create a new coroutine, running the specified callback. The coroutine will 3015Create a new coroutine, running the specified callback. The coroutine will
2212our $safe = new Safe "safe"; 3056our $safe = new Safe "safe";
2213our $safe_hole = new Safe::Hole; 3057our $safe_hole = new Safe::Hole;
2214 3058
2215$SIG{FPE} = 'IGNORE'; 3059$SIG{FPE} = 'IGNORE';
2216 3060
2217$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3061$safe->permit_only (Opcode::opset qw(
3062 :base_core :base_mem :base_orig :base_math
3063 grepstart grepwhile mapstart mapwhile
3064 sort time
3065));
2218 3066
2219# here we export the classes and methods available to script code 3067# here we export the classes and methods available to script code
2220 3068
2221=pod 3069=pod
2222 3070
2223The following functions and methods are available within a safe environment: 3071The following functions and methods are available within a safe environment:
2224 3072
2225 cf::object contr pay_amount pay_player map 3073 cf::object
3074 contr pay_amount pay_player map x y force_find force_add destroy
3075 insert remove name archname title slaying race decrease_ob_nr
3076
2226 cf::object::player player 3077 cf::object::player
2227 cf::player peaceful 3078 player
2228 cf::map trigger 3079
3080 cf::player
3081 peaceful
3082
3083 cf::map
3084 trigger
2229 3085
2230=cut 3086=cut
2231 3087
2232for ( 3088for (
2233 ["cf::object" => qw(contr pay_amount pay_player map)], 3089 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3090 insert remove inv name archname title slaying race
3091 decrease_ob_nr destroy)],
2234 ["cf::object::player" => qw(player)], 3092 ["cf::object::player" => qw(player)],
2235 ["cf::player" => qw(peaceful)], 3093 ["cf::player" => qw(peaceful)],
2236 ["cf::map" => qw(trigger)], 3094 ["cf::map" => qw(trigger)],
2237) { 3095) {
2238 no strict 'refs'; 3096 no strict 'refs';
2309=back 3167=back
2310 3168
2311=cut 3169=cut
2312 3170
2313############################################################################# 3171#############################################################################
2314
2315=head2 EXTENSION DATABASE SUPPORT
2316
2317Crossfire maintains a very simple database for extension use. It can
2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319convert to/from binary).
2320
2321The parameter C<$family> should best start with the name of the extension
2322using it, it should be unique.
2323
2324=over 4
2325
2326=item $value = cf::db_get $family => $key
2327
2328Returns a single value from the database.
2329
2330=item cf::db_put $family => $key => $value
2331
2332Stores the given C<$value> in the family.
2333
2334=cut
2335
2336our $DB;
2337
2338sub db_init {
2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2341
2342 cf::sync_job {
2343 eval {
2344 $DB->set_flags (BDB::CHKSUM);
2345
2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348 cf::cleanup "db_open(db): $!" if $!;
2349 };
2350 cf::cleanup "db_open(db): $@" if $@;
2351 };
2352 }
2353}
2354
2355sub db_get($$) {
2356 my $key = "$_[0]/$_[1]";
2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2366sub db_put($$$) {
2367 BDB::dbreq_pri 4;
2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369}
2370
2371=item cf::cache $id => [$paths...], $processversion => $process
2372
2373Generic caching function that returns the value of the resource $id,
2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2403 }
2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2483}
2484
2485#############################################################################
2486# the server's init and main functions 3172# the server's init and main functions
2487 3173
2488sub load_facedata($) { 3174sub load_facedata($) {
2489 my ($path) = @_; 3175 my ($path) = @_;
3176
3177 # HACK to clear player env face cache, we need some signal framework
3178 # for this (global event?)
3179 %ext::player_env::MUSIC_FACE_CACHE = ();
3180
3181 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490 3182
2491 warn "loading facedata from $path\n"; 3183 warn "loading facedata from $path\n";
2492 3184
2493 my $facedata; 3185 my $facedata;
2494 0 < aio_load $path, $facedata 3186 0 < aio_load $path, $facedata
2497 $facedata = Coro::Storable::thaw $facedata; 3189 $facedata = Coro::Storable::thaw $facedata;
2498 3190
2499 $facedata->{version} == 2 3191 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed."; 3192 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501 3193
3194 # patch in the exptable
3195 $facedata->{resource}{"res/exp_table"} = {
3196 type => FT_RSRC,
3197 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3198 };
3199 cf::cede_to_tick;
3200
2502 { 3201 {
2503 my $faces = $facedata->{faceinfo}; 3202 my $faces = $facedata->{faceinfo};
2504 3203
2505 while (my ($face, $info) = each %$faces) { 3204 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3205 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3207 cf::face::set_visibility $idx, $info->{visibility};
3208 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3209 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3210 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510 Coro::cede; 3211
3212 cf::cede_to_tick;
2511 } 3213 }
2512 3214
2513 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3216 next unless $info->{smooth};
3217
2515 my $idx = cf::face::find $face 3218 my $idx = cf::face::find $face
2516 or next; 3219 or next;
3220
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3221 if (my $smooth = cf::face::find $info->{smooth}) {
3222 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3223 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3224 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3225 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3226 }
2522 Coro::cede; 3227
3228 cf::cede_to_tick;
2523 } 3229 }
2524 } 3230 }
2525 3231
2526 { 3232 {
2527 my $anims = $facedata->{animinfo}; 3233 my $anims = $facedata->{animinfo};
2528 3234
2529 while (my ($anim, $info) = each %$anims) { 3235 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3236 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3237 cf::cede_to_tick;
2532 } 3238 }
2533 3239
2534 cf::anim::invalidate_all; # d'oh 3240 cf::anim::invalidate_all; # d'oh
2535 } 3241 }
2536 3242
3243 {
3244 # TODO: for gcfclient pleasure, we should give resources
3245 # that gcfclient doesn't grok a >10000 face index.
3246 my $res = $facedata->{resource};
3247
3248 while (my ($name, $info) = each %$res) {
3249 if (defined $info->{type}) {
3250 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3251 my $data;
3252
3253 if ($info->{type} & 1) {
3254 # prepend meta info
3255
3256 my $meta = $enc->encode ({
3257 name => $name,
3258 %{ $info->{meta} || {} },
3259 });
3260
3261 $data = pack "(w/a*)*", $meta, $info->{data};
3262 } else {
3263 $data = $info->{data};
3264 }
3265
3266 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267 cf::face::set_type $idx, $info->{type};
3268 } else {
3269 $RESOURCE{$name} = $info;
3270 }
3271
3272 cf::cede_to_tick;
3273 }
3274 }
3275
3276 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3277
2537 1 3278 1
2538} 3279}
2539 3280
3281cf::global->attach (on_resource_update => sub {
3282 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286 my $sound = $soundconf->{compat}[$_]
3287 or next;
3288
3289 my $face = cf::face::find "sound/$sound->[1]";
3290 cf::sound::set $sound->[0] => $face;
3291 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292 }
3293
3294 while (my ($k, $v) = each %{$soundconf->{event}}) {
3295 my $face = cf::face::find "sound/$v";
3296 cf::sound::set $k => $face;
3297 }
3298 }
3299});
3300
3301register_exticmd fx_want => sub {
3302 my ($ns, $want) = @_;
3303
3304 while (my ($k, $v) = each %$want) {
3305 $ns->fx_want ($k, $v);
3306 }
3307};
3308
2540sub reload_regions { 3309sub reload_regions {
3310 # HACK to clear player env face cache, we need some signal framework
3311 # for this (global event?)
3312 %ext::player_env::MUSIC_FACE_CACHE = ();
3313
2541 load_resource_file "$MAPDIR/regions" 3314 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3315 or die "unable to load regions file\n";
3316
3317 for (cf::region::list) {
3318 $_->{match} = qr/$_->{match}/
3319 if exists $_->{match};
3320 }
2543} 3321}
2544 3322
2545sub reload_facedata { 3323sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3324 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3325 or die "unable to load facedata\n";
2548} 3326}
2549 3327
2550sub reload_archetypes { 3328sub reload_archetypes {
3329 load_resource_file "$DATADIR/archetypes"
3330 or die "unable to load archetypes\n";
3331 #d# NEED to laod twice to resolve forward references
3332 # this really needs to be done in an extra post-pass
3333 # (which needs to be synchronous, so solve it differently)
2551 load_resource_file "$DATADIR/archetypes" 3334 load_resource_file "$DATADIR/archetypes"
2552 or die "unable to load archetypes\n"; 3335 or die "unable to load archetypes\n";
2553} 3336}
2554 3337
2555sub reload_treasures { 3338sub reload_treasures {
2571 3354
2572sub init { 3355sub init {
2573 reload_resources; 3356 reload_resources;
2574} 3357}
2575 3358
2576sub cfg_load { 3359sub reload_config {
2577 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
2578 or return; 3361 or return;
2579 3362
2580 local $/; 3363 local $/;
2581 *CFG = YAML::Syck::Load <$fh>; 3364 *CFG = YAML::Load <$fh>;
2582 3365
2583 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3366 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584 3367
2585 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3368 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3369 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597sub main { 3380sub main {
2598 # we must not ever block the main coroutine 3381 # we must not ever block the main coroutine
2599 local $Coro::idle = sub { 3382 local $Coro::idle = sub {
2600 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3383 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601 (async { 3384 (async {
2602 Event::one_event; 3385 $Coro::current->{desc} = "IDLE BUG HANDLER";
3386 EV::loop EV::LOOP_ONESHOT;
2603 })->prio (Coro::PRIO_MAX); 3387 })->prio (Coro::PRIO_MAX);
2604 }; 3388 };
2605 3389
2606 cfg_load; 3390 reload_config;
2607 db_init; 3391 db_init;
2608 load_extensions; 3392 load_extensions;
2609 3393
2610 $TICK_WATCHER->start; 3394 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395 evthread_start IO::AIO::poll_fileno;
2611 Event::loop; 3396 EV::loop;
2612} 3397}
2613 3398
2614############################################################################# 3399#############################################################################
2615# initialisation and cleanup 3400# initialisation and cleanup
2616 3401
2617# install some emergency cleanup handlers 3402# install some emergency cleanup handlers
2618BEGIN { 3403BEGIN {
3404 our %SIGWATCHER = ();
2619 for my $signal (qw(INT HUP TERM)) { 3405 for my $signal (qw(INT HUP TERM)) {
2620 Event->signal ( 3406 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2621 reentrant => 0,
2622 data => WF_AUTOCANCEL,
2623 signal => $signal,
2624 prio => 0,
2625 cb => sub {
2626 cf::cleanup "SIG$signal"; 3407 cf::cleanup "SIG$signal";
2627 },
2628 ); 3408 };
3409 }
3410}
3411
3412sub write_runtime_sync {
3413 my $runtime = "$LOCALDIR/runtime";
3414
3415 # first touch the runtime file to show we are still running:
3416 # the fsync below can take a very very long time.
3417
3418 IO::AIO::aio_utime $runtime, undef, undef;
3419
3420 my $guard = cf::lock_acquire "write_runtime";
3421
3422 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3423 or return;
3424
3425 my $value = $cf::RUNTIME + 90 + 10;
3426 # 10 is the runtime save interval, for a monotonic clock
3427 # 60 allows for the watchdog to kill the server.
3428
3429 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3430 and return;
3431
3432 # always fsync - this file is important
3433 aio_fsync $fh
3434 and return;
3435
3436 # touch it again to show we are up-to-date
3437 aio_utime $fh, undef, undef;
3438
3439 close $fh
3440 or return;
3441
3442 aio_rename "$runtime~", $runtime
3443 and return;
3444
3445 warn "runtime file written.\n";
3446
2629 } 3447 1
3448}
3449
3450our $uuid_lock;
3451our $uuid_skip;
3452
3453sub write_uuid_sync($) {
3454 $uuid_skip ||= $_[0];
3455
3456 return if $uuid_lock;
3457 local $uuid_lock = 1;
3458
3459 my $uuid = "$LOCALDIR/uuid";
3460
3461 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462 or return;
3463
3464 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3465 $uuid_skip = 0;
3466
3467 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3468 and return;
3469
3470 # always fsync - this file is important
3471 aio_fsync $fh
3472 and return;
3473
3474 close $fh
3475 or return;
3476
3477 aio_rename "$uuid~", $uuid
3478 and return;
3479
3480 warn "uuid file written ($value).\n";
3481
3482 1
3483
3484}
3485
3486sub write_uuid($$) {
3487 my ($skip, $sync) = @_;
3488
3489 $sync ? write_uuid_sync $skip
3490 : async { write_uuid_sync $skip };
2630} 3491}
2631 3492
2632sub emergency_save() { 3493sub emergency_save() {
2633 my $freeze_guard = cf::freeze_mainloop; 3494 my $freeze_guard = cf::freeze_mainloop;
2634 3495
2640 # and maps saved/destroyed asynchronously. 3501 # and maps saved/destroyed asynchronously.
2641 warn "begin emergency player save\n"; 3502 warn "begin emergency player save\n";
2642 for my $login (keys %cf::PLAYER) { 3503 for my $login (keys %cf::PLAYER) {
2643 my $pl = $cf::PLAYER{$login} or next; 3504 my $pl = $cf::PLAYER{$login} or next;
2644 $pl->valid or next; 3505 $pl->valid or next;
3506 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645 $pl->save; 3507 $pl->save;
2646 } 3508 }
2647 warn "end emergency player save\n"; 3509 warn "end emergency player save\n";
2648 3510
2649 warn "begin emergency map save\n"; 3511 warn "begin emergency map save\n";
2655 warn "end emergency map save\n"; 3517 warn "end emergency map save\n";
2656 3518
2657 warn "begin emergency database checkpoint\n"; 3519 warn "begin emergency database checkpoint\n";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3520 BDB::db_env_txn_checkpoint $DB_ENV;
2659 warn "end emergency database checkpoint\n"; 3521 warn "end emergency database checkpoint\n";
3522
3523 warn "begin write uuid\n";
3524 write_uuid_sync 1;
3525 warn "end write uuid\n";
2660 }; 3526 };
2661 3527
2662 warn "leave emergency perl save\n"; 3528 warn "leave emergency perl save\n";
2663} 3529}
2664 3530
2679 warn "reloading..."; 3545 warn "reloading...";
2680 3546
2681 warn "entering sync_job"; 3547 warn "entering sync_job";
2682 3548
2683 cf::sync_job { 3549 cf::sync_job {
2684 cf::write_runtime; # external watchdog should not bark 3550 cf::write_runtime_sync; # external watchdog should not bark
2685 cf::emergency_save; 3551 cf::emergency_save;
2686 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
2687 3553
2688 warn "syncing database to disk"; 3554 warn "syncing database to disk";
2689 BDB::db_env_txn_checkpoint $DB_ENV; 3555 BDB::db_env_txn_checkpoint $DB_ENV;
2690 3556
2691 # if anything goes wrong in here, we should simply crash as we already saved 3557 # if anything goes wrong in here, we should simply crash as we already saved
2692
2693 warn "cancelling all WF_AUTOCANCEL watchers";
2694 for (Event::all_watchers) {
2695 $_->cancel if $_->data & WF_AUTOCANCEL;
2696 }
2697 3558
2698 warn "flushing outstanding aio requests"; 3559 warn "flushing outstanding aio requests";
2699 for (;;) { 3560 for (;;) {
2700 BDB::flush; 3561 BDB::flush;
2701 IO::AIO::flush; 3562 IO::AIO::flush;
2702 Coro::cede; 3563 Coro::cede_notself;
2703 last unless IO::AIO::nreqs || BDB::nreqs; 3564 last unless IO::AIO::nreqs || BDB::nreqs;
2704 warn "iterate..."; 3565 warn "iterate...";
2705 } 3566 }
2706 3567
2707 ++$RELOAD; 3568 ++$RELOAD;
2711 %EXT_CORO = (); 3572 %EXT_CORO = ();
2712 3573
2713 warn "removing commands"; 3574 warn "removing commands";
2714 %COMMAND = (); 3575 %COMMAND = ();
2715 3576
2716 warn "removing ext commands"; 3577 warn "removing ext/exti commands";
2717 %EXTCMD = (); 3578 %EXTCMD = ();
3579 %EXTICMD = ();
2718 3580
2719 warn "unloading/nuking all extensions"; 3581 warn "unloading/nuking all extensions";
2720 for my $pkg (@EXTS) { 3582 for my $pkg (@EXTS) {
2721 warn "... unloading $pkg"; 3583 warn "... unloading $pkg";
2722 3584
2765 warn "reloading cf.pm"; 3627 warn "reloading cf.pm";
2766 require cf; 3628 require cf;
2767 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3629 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768 3630
2769 warn "loading config and database again"; 3631 warn "loading config and database again";
2770 cf::cfg_load; 3632 cf::reload_config;
2771 3633
2772 warn "loading extensions"; 3634 warn "loading extensions";
2773 cf::load_extensions; 3635 cf::load_extensions;
2774 3636
2775 warn "reattaching attachments to objects/players"; 3637 warn "reattaching attachments to objects/players";
2782 warn "leaving sync_job"; 3644 warn "leaving sync_job";
2783 3645
2784 1 3646 1
2785 } or do { 3647 } or do {
2786 warn $@; 3648 warn $@;
2787 warn "error while reloading, exiting."; 3649 cf::cleanup "error while reloading, exiting.";
2788 exit 1;
2789 }; 3650 };
2790 3651
2791 warn "reloaded"; 3652 warn "reloaded";
2792}; 3653};
2793 3654
2795 3656
2796sub reload_perl() { 3657sub reload_perl() {
2797 # doing reload synchronously and two reloads happen back-to-back, 3658 # doing reload synchronously and two reloads happen back-to-back,
2798 # coro crashes during coro_state_free->destroy here. 3659 # coro crashes during coro_state_free->destroy here.
2799 3660
2800 $RELOAD_WATCHER ||= Event->timer ( 3661 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2801 reentrant => 0,
2802 after => 0,
2803 data => WF_AUTOCANCEL,
2804 cb => sub {
2805 do_reload_perl; 3662 do_reload_perl;
2806 undef $RELOAD_WATCHER; 3663 undef $RELOAD_WATCHER;
2807 },
2808 ); 3664 };
2809} 3665}
2810 3666
2811register_command "reload" => sub { 3667register_command "reload" => sub {
2812 my ($who, $arg) = @_; 3668 my ($who, $arg) = @_;
2813 3669
2814 if ($who->flag (FLAG_WIZ)) { 3670 if ($who->flag (FLAG_WIZ)) {
2815 $who->message ("reloading server."); 3671 $who->message ("reloading server.");
3672 async {
3673 $Coro::current->{desc} = "perl_reload";
2816 async { reload_perl }; 3674 reload_perl;
3675 };
2817 } 3676 }
2818}; 3677};
2819 3678
2820unshift @INC, $LIBDIR; 3679unshift @INC, $LIBDIR;
2821 3680
2823 3682
2824our @WAIT_FOR_TICK; 3683our @WAIT_FOR_TICK;
2825our @WAIT_FOR_TICK_BEGIN; 3684our @WAIT_FOR_TICK_BEGIN;
2826 3685
2827sub wait_for_tick { 3686sub wait_for_tick {
2828 return unless $TICK_WATCHER->is_active; 3687 return if tick_inhibit;
2829 return if $Coro::current == $Coro::main; 3688 return if $Coro::current == $Coro::main;
2830 3689
2831 my $signal = new Coro::Signal; 3690 my $signal = new Coro::Signal;
2832 push @WAIT_FOR_TICK, $signal; 3691 push @WAIT_FOR_TICK, $signal;
2833 $signal->wait; 3692 $signal->wait;
2834} 3693}
2835 3694
2836sub wait_for_tick_begin { 3695sub wait_for_tick_begin {
2837 return unless $TICK_WATCHER->is_active; 3696 return if tick_inhibit;
2838 return if $Coro::current == $Coro::main; 3697 return if $Coro::current == $Coro::main;
2839 3698
2840 my $signal = new Coro::Signal; 3699 my $signal = new Coro::Signal;
2841 push @WAIT_FOR_TICK_BEGIN, $signal; 3700 push @WAIT_FOR_TICK_BEGIN, $signal;
2842 $signal->wait; 3701 $signal->wait;
2843} 3702}
2844 3703
2845 my $min = 1e6;#d# 3704sub tick {
2846 my $avg = 10;
2847$TICK_WATCHER = Event->timer (
2848 reentrant => 0,
2849 parked => 1,
2850 prio => 0,
2851 at => $NEXT_TICK || $TICK,
2852 data => WF_AUTOCANCEL,
2853 cb => sub {
2854 if ($Coro::current != $Coro::main) { 3705 if ($Coro::current != $Coro::main) {
2855 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3706 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856 unless ++$bug_warning > 10; 3707 unless ++$bug_warning > 10;
2857 return; 3708 return;
2858 } 3709 }
2859 3710
2860 $NOW = $tick_start = Event::time;
2861
2862 cf::server_tick; # one server iteration 3711 cf::server_tick; # one server iteration
2863 3712
2864 0 && sync_job {#d# 3713 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865 for(1..10) { 3714 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866 my $t = Event::time; 3715 Coro::async_pool {
2867 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3716 $Coro::current->{desc} = "runtime saver";
2868 or die; 3717 write_runtime_sync
2869 3718 or warn "ERROR: unable to write runtime file: $!";
2870 $map->width (50);
2871 $map->height (50);
2872 $map->alloc;
2873 $map->_load_objects ("/tmp/x.map", 1);
2874 my $t = Event::time - $t;
2875
2876 #next unless $t < 0.0013;#d#
2877 if ($t < $min) {
2878 $min = $t;
2879 }
2880 $avg = $avg * 0.99 + $t * 0.01;
2881 }
2882 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883 exit 0;
2884 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885 }; 3719 };
3720 }
2886 3721
2887 $RUNTIME += $TICK;
2888 $NEXT_TICK += $TICK;
2889
2890 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891 $NEXT_RUNTIME_WRITE = $NOW + 10;
2892 Coro::async_pool {
2893 write_runtime
2894 or warn "ERROR: unable to write runtime file: $!";
2895 };
2896 }
2897
2898# my $AFTER = Event::time;
2899# warn $AFTER - $NOW;#d#
2900
2901 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902 $sig->send; 3723 $sig->send;
2903 } 3724 }
2904 while (my $sig = shift @WAIT_FOR_TICK) { 3725 while (my $sig = shift @WAIT_FOR_TICK) {
2905 $sig->send; 3726 $sig->send;
2906 } 3727 }
2907 3728
2908 $NOW = Event::time; 3729 $LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910 # if we are delayed by four ticks or more, skip them all
2911 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913 $TICK_WATCHER->at ($NEXT_TICK);
2914 $TICK_WATCHER->start;
2915
2916 $LOAD = ($NOW - $tick_start) / $TICK;
2917 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3730 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918 3731
2919 _post_tick; 3732 if (0) {
2920 3733 if ($NEXT_TICK) {
2921 3734 my $jitter = $TICK_START - $NEXT_TICK;
3735 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736 warn "jitter $JITTER\n";#d#
3737 }
2922 }, 3738 }
2923); 3739}
2924 3740
2925{ 3741{
2926 BDB::max_poll_time $TICK * 0.1; 3742 # configure BDB
2927 $BDB_POLL_WATCHER = Event->io ( 3743
2928 reentrant => 0,
2929 fd => BDB::poll_fileno,
2930 poll => 'r',
2931 prio => 0,
2932 data => WF_AUTOCANCEL,
2933 cb => \&BDB::poll_cb,
2934 );
2935 BDB::min_parallel 8; 3744 BDB::min_parallel 8;
2936 3745 BDB::max_poll_reqs $TICK * 0.1;
2937 BDB::set_sync_prepare { 3746 $Coro::BDB::WATCHER->priority (1);
2938 my $status;
2939 my $current = $Coro::current;
2940 (
2941 sub {
2942 $status = $!;
2943 $current->ready; undef $current;
2944 },
2945 sub {
2946 Coro::schedule while defined $current;
2947 $! = $status;
2948 },
2949 )
2950 };
2951 3747
2952 unless ($DB_ENV) { 3748 unless ($DB_ENV) {
2953 $DB_ENV = BDB::db_env_create; 3749 $DB_ENV = BDB::db_env_create;
3750 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3751 | BDB::LOG_AUTOREMOVE, 1);
3752 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3753 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954 3754
2955 cf::sync_job { 3755 cf::sync_job {
2956 eval { 3756 eval {
2957 BDB::db_env_open 3757 BDB::db_env_open
2958 $DB_ENV, 3758 $DB_ENV,
2960 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3760 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3761 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962 0666; 3762 0666;
2963 3763
2964 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3764 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967 $DB_ENV->set_lk_detect;
2968 }; 3765 };
2969 3766
2970 cf::cleanup "db_env_open(db): $@" if $@; 3767 cf::cleanup "db_env_open(db): $@" if $@;
2971 }; 3768 };
2972 } 3769 }
3770
3771 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3772 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3773 };
3774 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3775 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3776 };
3777 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3778 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3779 };
2973} 3780}
2974 3781
2975{ 3782{
3783 # configure IO::AIO
3784
2976 IO::AIO::min_parallel 8; 3785 IO::AIO::min_parallel 8;
2977
2978 undef $Coro::AIO::WATCHER;
2979 IO::AIO::max_poll_time $TICK * 0.1; 3786 IO::AIO::max_poll_time $TICK * 0.1;
2980 $AIO_POLL_WATCHER = Event->io ( 3787 $Coro::AIO::WATCHER->priority (1);
2981 reentrant => 0,
2982 data => WF_AUTOCANCEL,
2983 fd => IO::AIO::poll_fileno,
2984 poll => 'r',
2985 prio => 6,
2986 cb => \&IO::AIO::poll_cb,
2987 );
2988} 3788}
2989 3789
2990my $_log_backtrace; 3790my $_log_backtrace;
2991 3791
2992sub _log_backtrace { 3792sub _log_backtrace {
2996 3796
2997 # limit the # of concurrent backtraces 3797 # limit the # of concurrent backtraces
2998 if ($_log_backtrace < 2) { 3798 if ($_log_backtrace < 2) {
2999 ++$_log_backtrace; 3799 ++$_log_backtrace;
3000 async { 3800 async {
3801 $Coro::current->{desc} = "abt $msg";
3802
3001 my @bt = fork_call { 3803 my @bt = fork_call {
3002 @addr = map { sprintf "%x", $_ } @addr; 3804 @addr = map { sprintf "%x", $_ } @addr;
3003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3805 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3806 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005 or die "addr2line: $!"; 3807 or die "addr2line: $!";

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