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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 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';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 239
194# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 241# within the Safe compartment.
196for my $pkg (qw( 242for my $pkg (qw(
197 cf::global cf::attachable 243 cf::global cf::attachable
202)) { 248)) {
203 no strict 'refs'; 249 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 251}
206 252
207$Event::DIED = sub { 253$EV::DIED = sub {
208 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
209}; 255};
256
257#############################################################################
210 258
211=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
212 260
213=over 4 261=over 4
214 262
233 $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;
234 $d 282 $d
235 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
236} 284}
237 285
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
241 287
242Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
243 289
244=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
245 291
246Converts 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]) }
247 300
248=item cf::lock_wait $string 301=item cf::lock_wait $string
249 302
250Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
251 304
254Wait 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
255a 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,
256for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
257returned. 310returned.
258 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
259Lock 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
260uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
261 317
262=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
263 319
264Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
265 321
266=cut 322=cut
267 323
268our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
269 326
270sub lock_wait($) { 327sub lock_wait($) {
271 my ($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#
272 334
273 # wait for lock, if any 335 # wait for lock, if any
274 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 338 Coro::schedule;
282 344
283 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
284 lock_wait $key; 346 lock_wait $key;
285 347
286 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
287 350
288 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
291 } 355 }
292} 356}
293 357
296 360
297 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
298} 362}
299 363
300sub freeze_mainloop { 364sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
302 366
303 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
304 $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($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
305 }; 428 }
306 $TICK_WATCHER->stop; 429};
307 $guard 430
431sub get_slot($;$$) {
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 $sig->wait;
308} 441}
309 442
310=item cf::async { BLOCK } 443=item cf::async { BLOCK }
311 444
312Currently the same as Coro::async_pool, meaning you cannot use 445Currently the same as Coro::async_pool, meaning you cannot use
317 450
318BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
319 452
320=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
321 454
322The design of crossfire+ requires that the main coro ($Coro::main) is 455The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 456is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
458acceptable.
325 459
326If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 462server will be frozen during this time, so the block should either finish
329fast or be very important. 463fast or be very important.
332 466
333sub sync_job(&) { 467sub sync_job(&) {
334 my ($job) = @_; 468 my ($job) = @_;
335 469
336 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 471 my $time = EV::time;
338 472
339 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
341 475
342 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 477
344 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
345 479
346 my $busy = 1; 480 my $busy = 1;
347 my @res; 481 my @res;
348 482
349 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 485 @res = eval { $job->() };
351 warn $@ if $@; 486 warn $@ if $@;
352 undef $busy; 487 undef $busy;
353 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
354 489
355 while ($busy) { 490 while ($busy) {
356 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
357 } 495 }
496 }
358 497
359 $time = Event::time - $time; 498 my $time = EV::time - $time;
360 499
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
365 501
366 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
367 } else { 503 } else {
368 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
369 505
389 $EXT_CORO{$coro+0} = $coro; 525 $EXT_CORO{$coro+0} = $coro;
390 526
391 $coro 527 $coro
392} 528}
393 529
394sub write_runtime { 530=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 531
397 # first touch the runtime file to show we are still running: 532Executes the given code block with the given arguments in a seperate
398 # 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.
399 536
400 IO::AIO::aio_utime $runtime, undef, undef; 537=cut
401 538
402 my $guard = cf::lock_acquire "write_runtime"; 539sub fork_call(&@) {
540 my ($cb, @args) = @_;
403 541
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542 # we seemingly have to make a local copy of the whole thing,
405 or return; 543 # otherwise perl prematurely frees the stuff :/
544 # TODO: investigate and fix (likely this will be rather laborious)
406 545
407 my $value = $cf::RUNTIME + 90 + 10; 546 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 547 reset_signals;
409 # 60 allows for the watchdog to kill the server. 548 &$cb
549 }, @args;
410 550
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 551 wantarray ? @res : $res[-1]
412 and return; 552}
413 553
414 # always fsync - this file is important 554=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 555
418 # touch it again to show we are up-to-date 556=cut
419 aio_utime $fh, undef, undef;
420 557
421 close $fh 558our %coin_alias = (
422 or return; 559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
423 574
424 aio_rename "$runtime~", $runtime 575sub coin_from_name($) {
425 and return; 576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
579}
426 580
427 warn "runtime file written.\n";#d# 581=item $value = cf::db_get $family => $key
428 582
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($$) {
623 my $key = "$_[0]/$_[1]";
624
625 cf::sync_job {
626 BDB::db_get $DB, undef, $key, my $data;
627
628 $! ? ()
629 : $data
429 1 630 }
631}
632
633sub db_put($$$) {
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"
430} 706}
431 707
432=item cf::datalog type => key => value, ... 708=item cf::datalog type => key => value, ...
433 709
434Log 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.
452attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
454 730
455In 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>
456C<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
457crossfire+). 733Deliantra).
458 734
459=over 4 735=over 4
460 736
461=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
462 738
664 _attach $registry, $klass, @attach; 940 _attach $registry, $klass, @attach;
665 } 941 }
666 942
667 $obj->{$name} = \%arg; 943 $obj->{$name} = \%arg;
668 } else { 944 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 945 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 946 }
671 947
672 $obj->{_attachment}{$name} = undef; 948 $obj->{_attachment}{$name} = undef;
673} 949}
674 950
714 "; 990 ";
715 die if $@; 991 die if $@;
716} 992}
717 993
718our $override; 994our $override;
719our @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?
720 996
721sub override { 997sub override {
722 $override = 1; 998 $override = 1;
723 @invoke_results = (); 999 @INVOKE_RESULTS = (@_);
724} 1000}
725 1001
726sub do_invoke { 1002sub do_invoke {
727 my $event = shift; 1003 my $event = shift;
728 my $callbacks = shift; 1004 my $callbacks = shift;
729 1005
730 @invoke_results = (); 1006 @INVOKE_RESULTS = ();
731 1007
732 local $override; 1008 local $override;
733 1009
734 for (@$callbacks) { 1010 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1011 eval { &{$_->[1]} };
744 } 1020 }
745 1021
746 0 1022 0
747} 1023}
748 1024
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1026
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1028
753Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
754 1030
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 1033results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1034
759=back 1035=back
760 1036
761=cut 1037=cut
762 1038
763############################################################################# 1039#############################################################################
764# 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, $ob2
1082}
765 1083
766sub reattach { 1084sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1086 my ($obj) = @_;
769 1087
790cf::attachable->attach ( 1108cf::attachable->attach (
791 prio => -1000000, 1109 prio => -1000000,
792 on_instantiate => sub { 1110 on_instantiate => sub {
793 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
794 1112
795 $data = from_json $data; 1113 $data = decode_json $data;
796 1114
797 for (@$data) { 1115 for (@$data) {
798 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
799 1117
800 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1134sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
818 1136
819 sync_job { 1137 sync_job {
820 if (length $$rdata) { 1138 if (length $$rdata) {
1139 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1141 $decname, length $$rdata, scalar @$objs;
823 1142
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1143 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1144 chmod SAVE_MODE, $fh;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1145 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1146 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1147 close $fh;
829 1148
830 if (@$objs) { 1149 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1155 close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
838 } 1157 }
846 } 1165 }
847 } else { 1166 } else {
848 aio_unlink $filename; 1167 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
850 } 1169 }
851 } 1170 };
852} 1171}
853 1172
854sub object_freezer_as_string { 1173sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
856 1175
868 or return; 1187 or return;
869 1188
870 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
872 or return; 1191 or return;
1192
873 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
874 } 1195 }
875 1196
1197 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1199 $decname, length $data, scalar @{$av || []};
1200
878 return ($data, $av); 1201 ($data, $av)
879} 1202}
1203
1204=head2 COMMAND CALLBACKS
1205
1206=over 4
1207
1208=cut
880 1209
881############################################################################# 1210#############################################################################
882# command handling &c 1211# command handling &c
883 1212
884=item cf::register_command $name => \&callback($ob,$args); 1213=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1226 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1227}
899 1228
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1229=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1230
902Register 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.
903 1236
904If 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
905called. 1238called.
906 1239
1240=item cf::register_exticmd $name => \&callback($ns,$packet);
1241
1242Register a callback for execution when the client sends an (asynchronous)
1243exticmd packet. Exti commands are processed by the server as soon as they
1244are received, i.e. out of order w.r.t. other commands. The first argument
1245is a client socket. Exti commands can be received anytime, even before
1246log-in.
1247
1248If the callback returns something, it is sent back as if reply was being
1249called.
1250
907=cut 1251=cut
908 1252
909sub register_extcmd { 1253sub register_extcmd {
910 my ($name, $cb) = @_; 1254 my ($name, $cb) = @_;
911 1255
912 $EXTCMD{$name} = $cb; 1256 $EXTCMD{$name} = $cb;
1257}
1258
1259sub register_exticmd {
1260 my ($name, $cb) = @_;
1261
1262 $EXTICMD{$name} = $cb;
913} 1263}
914 1264
915cf::player->attach ( 1265cf::player->attach (
916 on_command => sub { 1266 on_command => sub {
917 my ($pl, $name, $params) = @_; 1267 my ($pl, $name, $params) = @_;
926 cf::override; 1276 cf::override;
927 }, 1277 },
928 on_extcmd => sub { 1278 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1279 my ($pl, $buf) = @_;
930 1280
931 my $msg = eval { from_json $buf }; 1281 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1282
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1291 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1292 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1293 }
1294
1295 $pl->ext_reply ($reply, @reply)
1296 if $reply;
1297
939 } else { 1298 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1299 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1300 }
942 1301
943 cf::override; 1302 cf::override;
944 }, 1303 },
945); 1304);
946 1305
947sub load_extension {
948 my ($path) = @_;
949
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
951 my $base = $1;
952 my $pkg = $1;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 }
975 die $@;
976 }
977
978 push @EXTS, $pkg;
979}
980
981sub load_extensions { 1306sub load_extensions {
1307 cf::sync_job {
1308 my %todo;
1309
982 for my $ext (<$LIBDIR/*.ext>) { 1310 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1311 next unless -r $path;
984 eval { 1312
985 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 $progress = 1;
986 1 1369 }
987 } or warn "$ext not loaded: $@"; 1370
1371 skip:
1372 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1373 unless $progress;
1374 }
988 } 1375 };
989} 1376}
990 1377
991############################################################################# 1378#############################################################################
992 1379
1380=back
1381
993=head2 CORE EXTENSIONS 1382=head2 CORE EXTENSIONS
994 1383
995Functions and methods that extend core crossfire objects. 1384Functions and methods that extend core crossfire objects.
996 1385
997=cut 1386=cut
1001use Coro::AIO; 1390use Coro::AIO;
1002 1391
1003=head3 cf::player 1392=head3 cf::player
1004 1393
1005=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}
1006 1409
1007=item cf::player::find $login 1410=item cf::player::find $login
1008 1411
1009Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
1010 1413
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1452 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1453
1051 my $pl = load_pl path $login 1454 my $f = new_from_file cf::object::thawer path $login
1052 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;
1053 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1054 } 1462 }
1055 } 1463 }
1056} 1464}
1057 1465
1067 1475
1068 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1070 1478
1071 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1072 Coro::cede; 1480 cf::cede_to_tick;
1073} 1481}
1074 1482
1075sub new($) { 1483sub new($) {
1076 my ($login) = @_; 1484 my ($login) = @_;
1077 1485
1081 $self->{deny_save} = 1; 1489 $self->{deny_save} = 1;
1082 1490
1083 $cf::PLAYER{$login} = $self; 1491 $cf::PLAYER{$login} = $self;
1084 1492
1085 $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 (@_);
1086} 1504}
1087 1505
1088=item $pl->quit_character 1506=item $pl->quit_character
1089 1507
1090Nukes the player without looking back. If logged in, the connection will 1508Nukes the player without looking back. If logged in, the connection will
1145 or return []; 1563 or return [];
1146 1564
1147 my @logins; 1565 my @logins;
1148 1566
1149 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1153 1576
1154 utf8::decode $login; 1577 utf8::decode $login;
1155 push @logins, $login; 1578 push @logins, $login;
1156 } 1579 }
1157 1580
1184 } 1607 }
1185 1608
1186 \@paths 1609 \@paths
1187} 1610}
1188 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
1189=item $player->ext_reply ($msgid, %msg) 1705=item $player->ext_reply ($msgid, @msg)
1190 1706
1191Sends an ext reply to the player. 1707Sends an ext reply to the player.
1192 1708
1193=cut 1709=cut
1194 1710
1195sub ext_reply($$%) { 1711sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1712 my ($self, $id, @msg) = @_;
1197 1713
1198 $msg{msgid} = $id; 1714 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1715}
1202 1716
1203=item $player->ext_event ($type, %msg) 1717=item $player->ext_msg ($type, @msg)
1204 1718
1205Sends an ext event to the client. 1719Sends an ext event to the client.
1206 1720
1207=cut 1721=cut
1208 1722
1209sub ext_event($$%) { 1723sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1724 my ($self, $type, @msg) = @_;
1211 1725
1212 $self->ns->ext_event ($type, %msg); 1726 $self->ns->ext_msg ($type, @msg);
1213} 1727}
1214 1728
1215=head3 cf::region 1729=head3 cf::region
1216 1730
1217=over 4 1731=over 4
1220 1734
1221package cf::region; 1735package cf::region;
1222 1736
1223=item cf::region::find_by_path $path 1737=item cf::region::find_by_path $path
1224 1738
1225Tries to decuce the probable region for a map knowing only its path. 1739Tries to decuce the likely region for a map knowing only its path.
1226 1740
1227=cut 1741=cut
1228 1742
1229sub find_by_path($) { 1743sub find_by_path($) {
1230 my ($path) = @_; 1744 my ($path) = @_;
1231 1745
1232 my ($match, $specificity); 1746 my ($match, $specificity);
1233 1747
1234 for my $region (list) { 1748 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1749 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1750 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1751 if $region->specificity > $specificity;
1238 } 1752 }
1239 } 1753 }
1240 1754
1261our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1263 1777
1264sub generate_random_map { 1778sub generate_random_map {
1265 my ($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
1266 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1784 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1821 my ($self, $merge) = @_;
1305 1822
1306 # we have to keep some variables in memory intact 1823 # we have to keep some variables in memory intact
1307 local $self->{path}; 1824 local $self->{path};
1308 local $self->{load_path}; 1825 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1826
1312 $self->SUPER::thawer_merge ($merge); 1827 $self->SUPER::thawer_merge ($merge);
1313} 1828}
1314 1829
1315sub normalise { 1830sub normalise {
1362 $self->init; # pass $1 etc. 1877 $self->init; # pass $1 etc.
1363 return $self; 1878 return $self;
1364 } 1879 }
1365 } 1880 }
1366 1881
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1882 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1883 ()
1369} 1884}
1370 1885
1371sub init { 1886sub init {
1372 my ($self) = @_; 1887 my ($self) = @_;
1415 1930
1416 $_->change_map_light ($change) 1931 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1932 for grep $_->outdoor, values %cf::MAP;
1418} 1933}
1419 1934
1935sub decay_objects {
1936 my ($self) = @_;
1937
1938 return if $self->{deny_reset};
1939
1940 $self->do_decay_objects;
1941}
1942
1420sub unlink_save { 1943sub unlink_save {
1421 my ($self) = @_; 1944 my ($self) = @_;
1422 1945
1423 utf8::encode (my $save = $self->save_path); 1946 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1947 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1950
1428sub load_header_from($) { 1951sub load_header_from($) {
1429 my ($self, $path) = @_; 1952 my ($self, $path) = @_;
1430 1953
1431 utf8::encode $path; 1954 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1955 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 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;
1437 1963
1438 $self->{load_path} = $path; 1964 $self->{load_path} = $path;
1439 1965
1440 1 1966 1
1441} 1967}
1480 $self->load_header_orig 2006 $self->load_header_orig
1481 or return; 2007 or return;
1482 $self->prepare_orig; 2008 $self->prepare_orig;
1483 } 2009 }
1484 2010
2011 $self->{deny_reset} = 1
2012 if $self->no_reset;
2013
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2014 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2015 unless $self->default_region;
1487 2016
1488 1 2017 1
1489} 2018}
1492sub find { 2021sub find {
1493 my ($path, $origin) = @_; 2022 my ($path, $origin) = @_;
1494 2023
1495 $path = normalise $path, $origin && $origin->path; 2024 $path = normalise $path, $origin && $origin->path;
1496 2025
2026 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2027 cf::lock_wait "map_find:$path";
1498 2028
1499 $cf::MAP{$path} || do { 2029 $cf::MAP{$path} || do {
1500 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
1501 my $map = new_from_path cf::map $path 2033 my $map = new_from_path cf::map $path
1502 or return; 2034 or return;
1503 2035
1504 $map->{last_save} = $cf::RUNTIME; 2036 $map->{last_save} = $cf::RUNTIME;
1505 2037
1506 $map->load_header 2038 $map->load_header
1507 or return; 2039 or return;
1508 2040
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2041 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2042 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2043 #$cf::WAIT_FOR_TICK->wait;
2044 undef $guard1;
2045 undef $guard2;
1512 $map->reset; 2046 $map->reset;
1513 undef $guard;
1514 return find $path; 2047 return find $path;
1515 } 2048 }
1516 2049
1517 $cf::MAP{$path} = $map 2050 $cf::MAP{$path} = $map
1518 } 2051 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2060 local $self->{deny_reset} = 1; # loading can take a long time
1528 2061
1529 my $path = $self->{path}; 2062 my $path = $self->{path};
1530 2063
1531 { 2064 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2065 my $guard = cf::lock_acquire "map_data:$path";
1533 2066
2067 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2068 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2069
1536 $self->in_memory (cf::MAP_LOADING); 2070 $self->in_memory (cf::MAP_LOADING);
1537 2071
1538 $self->alloc; 2072 $self->alloc;
1539 2073
1540 $self->pre_load; 2074 $self->pre_load;
1541 Coro::cede; 2075 cf::cede_to_tick;
1542 2076
2077 my $f = new_from_file cf::object::thawer $self->{load_path};
2078 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2079 $self->_load_objects ($f)
1544 or return; 2080 or return;
1545 2081
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2082 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 2083 if delete $self->{load_original};
1548 2084
1549 if (my $uniq = $self->uniq_path) { 2085 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2086 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2087 unless (aio_stat $uniq) {
2088 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2089 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2090 $self->_load_objects ($f);
2091 $f->resolve_delayed_derefs;
2092 }
1554 } 2093 }
1555 } 2094 }
1556 2095
1557 Coro::cede; 2096 $f->resolve_delayed_derefs;
2097
2098 cf::cede_to_tick;
1558 # now do the right thing for maps 2099 # now do the right thing for maps
1559 $self->link_multipart_objects; 2100 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2101 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2102 unless $self->difficulty;
1562 Coro::cede; 2103 cf::cede_to_tick;
1563 2104
1564 unless ($self->{deny_activate}) { 2105 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2106 $self->decay_objects;
1566 $self->fix_auto_apply; 2107 $self->fix_auto_apply;
1567 $self->update_buttons; 2108 $self->update_buttons;
1568 Coro::cede; 2109 cf::cede_to_tick;
1569 $self->set_darkness_map; 2110 $self->set_darkness_map;
1570 Coro::cede; 2111 cf::cede_to_tick;
1571 $self->activate; 2112 $self->activate;
1572 } 2113 }
2114
2115 $self->{last_save} = $cf::RUNTIME;
2116 $self->last_access ($cf::RUNTIME);
1573 2117
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2118 $self->in_memory (cf::MAP_IN_MEMORY);
1575 } 2119 }
1576 2120
1577 $self->post_load; 2121 $self->post_load;
1581 my ($self, $ob) = @_; 2125 my ($self, $ob) = @_;
1582 2126
1583 return find "~" . $ob->name . "/" . $self->{path} 2127 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2128 if $self->per_player;
1585 2129
2130# return find "?party/" . $ob->name . "/" . $self->{path}
2131# if $self->per_party;
2132
1586 $self 2133 $self
1587} 2134}
1588 2135
1589# find and load all maps in the 3x3 area around a map 2136# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2137sub load_neighbours {
1591 my ($map) = @_; 2138 my ($map) = @_;
1592 2139
1593 my @diag; # diagonal neighbours 2140 my @neigh; # diagonal neighbours
1594 2141
1595 for (0 .. 3) { 2142 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2143 my $neigh = $map->tile_path ($_)
1597 or next; 2144 or next;
1598 $neigh = find $neigh, $map 2145 $neigh = find $neigh, $map
1599 or next; 2146 or next;
1600 $neigh->load; 2147 $neigh->load;
1601 2148
2149 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2150 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2151 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2152 }
1605 2153
1606 for (@diag) { 2154 for (grep defined $_->[0], @neigh) {
2155 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2156 my $neigh = find $path, $origin
1608 or next; 2157 or next;
1609 $neigh->load; 2158 $neigh->load;
1610 } 2159 }
1611} 2160}
1612 2161
1617} 2166}
1618 2167
1619sub do_load_sync { 2168sub do_load_sync {
1620 my ($map) = @_; 2169 my ($map) = @_;
1621 2170
2171 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2172 if $Coro::current == $Coro::main;
2173
1622 cf::sync_job { $map->load }; 2174 cf::sync_job { $map->load };
1623} 2175}
1624 2176
1625our %MAP_PREFETCH; 2177our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2178our $MAP_PREFETCHER = undef;
1627 2179
1628sub find_async { 2180sub find_async {
1629 my ($path, $origin) = @_; 2181 my ($path, $origin, $load) = @_;
1630 2182
1631 $path = normalise $path, $origin && $origin->{path}; 2183 $path = normalise $path, $origin && $origin->{path};
1632 2184
1633 if (my $map = $cf::MAP{$path}) { 2185 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2186 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635 } 2187 }
1636 2188
1637 undef $MAP_PREFETCH{$path}; 2189 $MAP_PREFETCH{$path} |= $load;
2190
1638 $MAP_PREFETCHER ||= cf::async { 2191 $MAP_PREFETCHER ||= cf::async {
2192 $Coro::current->{desc} = "map prefetcher";
2193
1639 while (%MAP_PREFETCH) { 2194 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2195 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2196 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2197 $map->load if $v;
2198 }
1644 2199
1645 delete $MAP_PREFETCH{$path}; 2200 delete $MAP_PREFETCH{$k};
1646 } 2201 }
1647 } 2202 }
1648 undef $MAP_PREFETCHER; 2203 undef $MAP_PREFETCHER;
1649 }; 2204 };
1650 $MAP_PREFETCHER->prio (6); 2205 $MAP_PREFETCHER->prio (6);
1653} 2208}
1654 2209
1655sub save { 2210sub save {
1656 my ($self) = @_; 2211 my ($self) = @_;
1657 2212
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2214
1660 $self->{last_save} = $cf::RUNTIME; 2215 $self->{last_save} = $cf::RUNTIME;
1661 2216
1662 return unless $self->dirty; 2217 return unless $self->dirty;
1663 2218
1669 return if $self->{deny_save}; 2224 return if $self->{deny_save};
1670 2225
1671 local $self->{last_access} = $self->last_access;#d# 2226 local $self->{last_access} = $self->last_access;#d#
1672 2227
1673 cf::async { 2228 cf::async {
2229 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2230 $_->contr->save for $self->players;
1675 }; 2231 };
1676 2232
1677 if ($uniq) { 2233 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2234 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1686 my ($self) = @_; 2242 my ($self) = @_;
1687 2243
1688 # save first because save cedes 2244 # save first because save cedes
1689 $self->save; 2245 $self->save;
1690 2246
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2247 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2248
1693 return if $self->players; 2249 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2250 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save}; 2251 return if $self->{deny_save};
1696 2252
2253 $self->in_memory (cf::MAP_SWAPPED);
2254
2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2257 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2258}
1700 2259
1701sub reset_at { 2260sub reset_at {
1702 my ($self) = @_; 2261 my ($self) = @_;
1703 2262
1704 # TODO: safety, remove and allow resettable per-player maps 2263 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2264 return 1e99 if $self->{deny_reset};
1707 2265
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2266 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2267 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2268
1721 my ($self) = @_; 2279 my ($self) = @_;
1722 2280
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2281 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2282
1725 return if $self->players; 2283 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2284
1728 warn "resetting map ", $self->path;#d# 2285 warn "resetting map ", $self->path;
1729 2286
1730 $self->in_memory (cf::MAP_SWAPPED); 2287 $self->in_memory (cf::MAP_SWAPPED);
1731 2288
1732 # need to save uniques path 2289 # need to save uniques path
1733 unless ($self->{deny_save}) { 2290 unless ($self->{deny_save}) {
1737 if $uniq; 2294 if $uniq;
1738 } 2295 }
1739 2296
1740 delete $cf::MAP{$self->path}; 2297 delete $cf::MAP{$self->path};
1741 2298
2299 $self->deactivate;
2300 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2301 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2302
1746 $self->unlink_save; 2303 $self->unlink_save;
1747 $self->destroy; 2304 $self->destroy;
1748} 2305}
1749 2306
1750my $nuke_counter = "aaaa"; 2307my $nuke_counter = "aaaa";
1751 2308
1752sub nuke { 2309sub nuke {
1753 my ($self) = @_; 2310 my ($self) = @_;
1754 2311
2312 {
2313 my $lock = cf::lock_acquire "map_data:$self->{path}";
2314
1755 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
1756 2316
1757 $self->unlink_save; 2317 $self->unlink_save;
1758 2318
1759 bless $self, "cf::map"; 2319 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2320 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2321 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2322 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2323 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2324
1765 $cf::MAP{$self->path} = $self; 2325 $cf::MAP{$self->path} = $self;
2326 }
1766 2327
1767 $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 ]
1768} 2365}
1769 2366
1770=item cf::map::unique_maps 2367=item cf::map::unique_maps
1771 2368
1772Returns an arrayref of paths of all shared maps that have 2369Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2370instantiated unique items. May block.
1774 2371
1775=cut 2372=cut
1776 2373
1777sub unique_maps() { 2374sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2375 [
1779 or return; 2376 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2377 utf8::decode $_;
1785 next if /\.pst$/; 2378 /\.map$/
1786 next unless /^$PATH_SEP/o; 2379 ? normalise $_
1787 2380 : ()
1788 push @paths, cf::map::normalise $_; 2381 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2382 ]
1790
1791 \@paths
1792} 2383}
1793
1794package cf;
1795 2384
1796=back 2385=back
1797 2386
1798=head3 cf::object 2387=head3 cf::object
1799 2388
1814 map { $_, inv_recursive_ $_->inv } @_ 2403 map { $_, inv_recursive_ $_->inv } @_
1815} 2404}
1816 2405
1817sub inv_recursive { 2406sub inv_recursive {
1818 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 }
1819} 2436}
1820 2437
1821package cf; 2438package cf;
1822 2439
1823=back 2440=back
1842 2459
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2460 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2461
1845 if ($self->{record_replies}) { 2462 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2463 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2464
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2473 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2474 $self->message ($msg, $flags);
2475 }
1850 } 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 (@_);
1851} 2487}
1852 2488
1853=item $player_object->may ("access") 2489=item $player_object->may ("access")
1854 2490
1855Returns wether the given player is authorized to access resource "access" 2491Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2570 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2571 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2572 if $x <=0 && $y <= 0;
1937 2573
1938 $map->load; 2574 $map->load;
1939 $map->load_diag; 2575 $map->load_neighbours;
1940 2576
1941 return unless $self->contr->active; 2577 return unless $self->contr->active;
1942 $self->activate_recursive; 2578 $self->activate_recursive;
1943 2579
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2580 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2581 $self->enter_map ($map, $x, $y);
1946} 2582}
1947 2583
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2584=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2585
1950Moves 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
1951her, loading and preparing them map, calling the provided $check callback 2587her, loading and preparing them map, calling the provided $check callback
1952that 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
1953the 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.
1954 2591
1955=cut 2592=cut
1956 2593
1957our $GOTOGEN; 2594our $GOTOGEN;
1958 2595
1959sub cf::object::player::goto { 2596sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2597 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2598
1962 # 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
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2600 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2601
1965 $self->enter_link; 2602 $self->enter_link;
1966 2603
1967 (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
1968 my $map = eval { 2626 my $map = eval {
1969 my $map = cf::map::find $path; 2627 my $map = defined $path ? cf::map::find $path : undef;
1970 2628
1971 if ($map) { 2629 if ($map) {
1972 $map = $map->customise_for ($self); 2630 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2631 $map = $check->($map) if $check && $map;
1974 } else { 2632 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2633 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2634 }
1977 2635
1978 $map 2636 $map
1979 }; 2637 };
1980 2638
1985 2643
1986 if ($gen == $self->{_goto_generation}) { 2644 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2645 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2646 $self->leave_link ($map, $x, $y);
1989 } 2647 }
2648
2649 $done->() if $done;
1990 })->prio (1); 2650 })->prio (1);
1991} 2651}
1992 2652
1993=item $player_object->enter_exit ($exit_object) 2653=item $player_object->enter_exit ($exit_object)
1994 2654
2031 $rmp->{origin_y} = $exit->y; 2691 $rmp->{origin_y} = $exit->y;
2032 } 2692 }
2033 2693
2034 $rmp->{random_seed} ||= $exit->random_seed; 2694 $rmp->{random_seed} ||= $exit->random_seed;
2035 2695
2036 my $data = cf::to_json $rmp; 2696 my $data = cf::encode_json $rmp;
2037 my $md5 = Digest::MD5::md5_hex $data; 2697 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2698 my $meta = "$RANDOMDIR/$md5.meta";
2039 2699
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2700 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2701 aio_write $fh, 0, (length $data), $data, 0;
2063 my $hp = $exit->stats->hp; 2723 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp; 2724 my $sp = $exit->stats->sp;
2065 2725
2066 $self->enter_link; 2726 $self->enter_link;
2067 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
2068 (async { 2732 (async {
2733 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2734
2069 $self->deactivate_recursive; # just to be sure 2735 $self->deactivate_recursive; # just to be sure
2070 unless (eval { 2736 unless (eval {
2071 $self->goto ($slaying, $hp, $sp); 2737 $self->goto ($slaying, $hp, $sp);
2072 2738
2073 1; 2739 1;
2099 2765
2100 utf8::encode $text; 2766 utf8::encode $text;
2101 $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);
2102} 2768}
2103 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
2104=item $client->ext_event ($type, %msg) 2894=item $client->ext_msg ($type, @msg)
2105 2895
2106Sends an exti event to the client. 2896Sends an ext event to the client.
2107 2897
2108=cut 2898=cut
2109 2899
2110sub cf::client::ext_event($$%) { 2900sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2901 my ($self, $type, @msg) = @_;
2112 2902
2903 if ($self->extcmd == 2) {
2904 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2905 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2906 push @msg, msgtype => "event_$type";
2114 $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 }
2115} 2927}
2116 2928
2117=item $success = $client->query ($flags, "text", \&cb) 2929=item $success = $client->query ($flags, "text", \&cb)
2118 2930
2119Queues a query to the client, calling the given callback with 2931Queues a query to the client, calling the given callback with
2120the 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>,
2121C<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>.
2122 2934
2123Queries 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
2124reliable at some point in the future. 2936become reliable at some point in the future.
2125 2937
2126=cut 2938=cut
2127 2939
2128sub cf::client::query { 2940sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2941 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2949 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2950 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2951
2140 $self->send_packet ($self->{query_queue}[0][0]) 2952 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2953 if @{ $self->{query_queue} } == 1;
2954
2955 1
2142} 2956}
2143 2957
2144cf::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 },
2145 on_reply => sub { 2964 on_reply => sub {
2146 my ($ns, $msg) = @_; 2965 my ($ns, $msg) = @_;
2147 2966
2148 # this weird shuffling is so that direct followup queries 2967 # this weird shuffling is so that direct followup queries
2149 # get handled first 2968 # get handled first
2161 } else { 2980 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2981 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2982 }
2164 } 2983 }
2165 }, 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 },
2166); 3011);
2167 3012
2168=item $client->async (\&cb) 3013=item $client->async (\&cb)
2169 3014
2170Create a new coroutine, running the specified callback. The coroutine will 3015Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3056our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3057our $safe_hole = new Safe::Hole;
2213 3058
2214$SIG{FPE} = 'IGNORE'; 3059$SIG{FPE} = 'IGNORE';
2215 3060
2216$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));
2217 3066
2218# here we export the classes and methods available to script code 3067# here we export the classes and methods available to script code
2219 3068
2220=pod 3069=pod
2221 3070
2222The following functions and methods are available within a safe environment: 3071The following functions and methods are available within a safe environment:
2223 3072
2224 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
2225 cf::object::player player 3077 cf::object::player
2226 cf::player peaceful 3078 player
2227 cf::map trigger 3079
3080 cf::player
3081 peaceful
3082
3083 cf::map
3084 trigger
2228 3085
2229=cut 3086=cut
2230 3087
2231for ( 3088for (
2232 ["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)],
2233 ["cf::object::player" => qw(player)], 3092 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3093 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3094 ["cf::map" => qw(trigger)],
2236) { 3095) {
2237 no strict 'refs'; 3096 no strict 'refs';
2308=back 3167=back
2309 3168
2310=cut 3169=cut
2311 3170
2312############################################################################# 3171#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3172# the server's init and main functions
2486 3173
2487sub load_facedata($) { 3174sub load_facedata($) {
2488 my ($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;
2489 3182
2490 warn "loading facedata from $path\n"; 3183 warn "loading facedata from $path\n";
2491 3184
2492 my $facedata; 3185 my $facedata;
2493 0 < aio_load $path, $facedata 3186 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3189 $facedata = Coro::Storable::thaw $facedata;
2497 3190
2498 $facedata->{version} == 2 3191 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3192 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 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
2501 { 3201 {
2502 my $faces = $facedata->{faceinfo}; 3202 my $faces = $facedata->{faceinfo};
2503 3203
2504 while (my ($face, $info) = each %$faces) { 3204 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3205 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d# 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 "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3325 or die "unable to load facedata\n";
2548} 3326}
2549 3327
2550sub reload_archetypes { 3328sub reload_archetypes {
2551 load_resource_file "$DATADIR/archetypes" 3329 load_resource_file "$DATADIR/archetypes"
2552 or die "unable to load archetypes\n"; 3330 or die "unable to load archetypes\n";
3331 #d# NEED to laod twice to resolve forward references
3332 # this really needs to be done in an extra post-pass
3333 # (which needs to be synchronous, so solve it differently)
3334 load_resource_file "$DATADIR/archetypes"
3335 or die "unable to load archetypes\n";
2553} 3336}
2554 3337
2555sub reload_treasures { 3338sub reload_treasures {
2556 load_resource_file "$DATADIR/treasures" 3339 load_resource_file "$DATADIR/treasures"
2557 or die "unable to load treasurelists\n"; 3340 or die "unable to load treasurelists\n";
2560sub reload_resources { 3343sub reload_resources {
2561 warn "reloading resource files...\n"; 3344 warn "reloading resource files...\n";
2562 3345
2563 reload_regions; 3346 reload_regions;
2564 reload_facedata; 3347 reload_facedata;
3348 #reload_archetypes;#d#
2565 reload_archetypes; 3349 reload_archetypes;
2566 reload_treasures; 3350 reload_treasures;
2567 3351
2568 warn "finished reloading resource files\n"; 3352 warn "finished reloading resource files\n";
2569} 3353}
2570 3354
2571sub init { 3355sub init {
2572 reload_resources; 3356 reload_resources;
2573} 3357}
2574 3358
2575sub cfg_load { 3359sub reload_config {
2576 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
2577 or return; 3361 or return;
2578 3362
2579 local $/; 3363 local $/;
2580 *CFG = YAML::Syck::Load <$fh>; 3364 *CFG = YAML::Load <$fh>;
2581 3365
2582 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3366 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583 3367
2584 $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};
2585 $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};
2596sub main { 3380sub main {
2597 # we must not ever block the main coroutine 3381 # we must not ever block the main coroutine
2598 local $Coro::idle = sub { 3382 local $Coro::idle = sub {
2599 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#
2600 (async { 3384 (async {
2601 Event::one_event; 3385 $Coro::current->{desc} = "IDLE BUG HANDLER";
3386 EV::loop EV::LOOP_ONESHOT;
2602 })->prio (Coro::PRIO_MAX); 3387 })->prio (Coro::PRIO_MAX);
2603 }; 3388 };
2604 3389
2605 cfg_load; 3390 reload_config;
2606 db_init; 3391 db_init;
2607 load_extensions; 3392 load_extensions;
2608 3393
2609 $TICK_WATCHER->start; 3394 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395 evthread_start IO::AIO::poll_fileno;
2610 Event::loop; 3396 EV::loop;
2611} 3397}
2612 3398
2613############################################################################# 3399#############################################################################
2614# initialisation and cleanup 3400# initialisation and cleanup
2615 3401
2616# install some emergency cleanup handlers 3402# install some emergency cleanup handlers
2617BEGIN { 3403BEGIN {
3404 our %SIGWATCHER = ();
2618 for my $signal (qw(INT HUP TERM)) { 3405 for my $signal (qw(INT HUP TERM)) {
2619 Event->signal ( 3406 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 signal => $signal,
2623 prio => 0,
2624 cb => sub {
2625 cf::cleanup "SIG$signal"; 3407 cf::cleanup "SIG$signal";
2626 },
2627 ); 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
2628 } 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 };
2629} 3491}
2630 3492
2631sub emergency_save() { 3493sub emergency_save() {
2632 my $freeze_guard = cf::freeze_mainloop; 3494 my $freeze_guard = cf::freeze_mainloop;
2633 3495
2639 # and maps saved/destroyed asynchronously. 3501 # and maps saved/destroyed asynchronously.
2640 warn "begin emergency player save\n"; 3502 warn "begin emergency player save\n";
2641 for my $login (keys %cf::PLAYER) { 3503 for my $login (keys %cf::PLAYER) {
2642 my $pl = $cf::PLAYER{$login} or next; 3504 my $pl = $cf::PLAYER{$login} or next;
2643 $pl->valid or next; 3505 $pl->valid or next;
3506 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644 $pl->save; 3507 $pl->save;
2645 } 3508 }
2646 warn "end emergency player save\n"; 3509 warn "end emergency player save\n";
2647 3510
2648 warn "begin emergency map save\n"; 3511 warn "begin emergency map save\n";
2654 warn "end emergency map save\n"; 3517 warn "end emergency map save\n";
2655 3518
2656 warn "begin emergency database checkpoint\n"; 3519 warn "begin emergency database checkpoint\n";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3520 BDB::db_env_txn_checkpoint $DB_ENV;
2658 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";
2659 }; 3526 };
2660 3527
2661 warn "leave emergency perl save\n"; 3528 warn "leave emergency perl save\n";
2662} 3529}
2663 3530
2678 warn "reloading..."; 3545 warn "reloading...";
2679 3546
2680 warn "entering sync_job"; 3547 warn "entering sync_job";
2681 3548
2682 cf::sync_job { 3549 cf::sync_job {
2683 cf::write_runtime; # external watchdog should not bark 3550 cf::write_runtime_sync; # external watchdog should not bark
2684 cf::emergency_save; 3551 cf::emergency_save;
2685 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
2686 3553
2687 warn "syncing database to disk"; 3554 warn "syncing database to disk";
2688 BDB::db_env_txn_checkpoint $DB_ENV; 3555 BDB::db_env_txn_checkpoint $DB_ENV;
2689 3556
2690 # 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
2691
2692 warn "cancelling all WF_AUTOCANCEL watchers";
2693 for (Event::all_watchers) {
2694 $_->cancel if $_->data & WF_AUTOCANCEL;
2695 }
2696 3558
2697 warn "flushing outstanding aio requests"; 3559 warn "flushing outstanding aio requests";
2698 for (;;) { 3560 for (;;) {
2699 BDB::flush; 3561 BDB::flush;
2700 IO::AIO::flush; 3562 IO::AIO::flush;
2701 Coro::cede; 3563 Coro::cede_notself;
2702 last unless IO::AIO::nreqs || BDB::nreqs; 3564 last unless IO::AIO::nreqs || BDB::nreqs;
2703 warn "iterate..."; 3565 warn "iterate...";
2704 } 3566 }
2705 3567
2706 ++$RELOAD; 3568 ++$RELOAD;
2710 %EXT_CORO = (); 3572 %EXT_CORO = ();
2711 3573
2712 warn "removing commands"; 3574 warn "removing commands";
2713 %COMMAND = (); 3575 %COMMAND = ();
2714 3576
2715 warn "removing ext commands"; 3577 warn "removing ext/exti commands";
2716 %EXTCMD = (); 3578 %EXTCMD = ();
3579 %EXTICMD = ();
2717 3580
2718 warn "unloading/nuking all extensions"; 3581 warn "unloading/nuking all extensions";
2719 for my $pkg (@EXTS) { 3582 for my $pkg (@EXTS) {
2720 warn "... unloading $pkg"; 3583 warn "... unloading $pkg";
2721 3584
2764 warn "reloading cf.pm"; 3627 warn "reloading cf.pm";
2765 require cf; 3628 require cf;
2766 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3629 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767 3630
2768 warn "loading config and database again"; 3631 warn "loading config and database again";
2769 cf::cfg_load; 3632 cf::reload_config;
2770 3633
2771 warn "loading extensions"; 3634 warn "loading extensions";
2772 cf::load_extensions; 3635 cf::load_extensions;
2773 3636
2774 warn "reattaching attachments to objects/players"; 3637 warn "reattaching attachments to objects/players";
2781 warn "leaving sync_job"; 3644 warn "leaving sync_job";
2782 3645
2783 1 3646 1
2784 } or do { 3647 } or do {
2785 warn $@; 3648 warn $@;
2786 warn "error while reloading, exiting."; 3649 cf::cleanup "error while reloading, exiting.";
2787 exit 1;
2788 }; 3650 };
2789 3651
2790 warn "reloaded"; 3652 warn "reloaded";
2791}; 3653};
2792 3654
2794 3656
2795sub reload_perl() { 3657sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back, 3658 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here. 3659 # coro crashes during coro_state_free->destroy here.
2798 3660
2799 $RELOAD_WATCHER ||= Event->timer ( 3661 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2800 reentrant => 0,
2801 after => 0,
2802 data => WF_AUTOCANCEL,
2803 cb => sub {
2804 do_reload_perl; 3662 do_reload_perl;
2805 undef $RELOAD_WATCHER; 3663 undef $RELOAD_WATCHER;
2806 },
2807 ); 3664 };
2808} 3665}
2809 3666
2810register_command "reload" => sub { 3667register_command "reload" => sub {
2811 my ($who, $arg) = @_; 3668 my ($who, $arg) = @_;
2812 3669
2813 if ($who->flag (FLAG_WIZ)) { 3670 if ($who->flag (FLAG_WIZ)) {
2814 $who->message ("reloading server."); 3671 $who->message ("reloading server.");
3672 async {
3673 $Coro::current->{desc} = "perl_reload";
2815 async { reload_perl }; 3674 reload_perl;
3675 };
2816 } 3676 }
2817}; 3677};
2818 3678
2819unshift @INC, $LIBDIR; 3679unshift @INC, $LIBDIR;
2820 3680
2822 3682
2823our @WAIT_FOR_TICK; 3683our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN; 3684our @WAIT_FOR_TICK_BEGIN;
2825 3685
2826sub wait_for_tick { 3686sub wait_for_tick {
2827 return unless $TICK_WATCHER->is_active; 3687 return if tick_inhibit;
2828 return if $Coro::current == $Coro::main; 3688 return if $Coro::current == $Coro::main;
2829 3689
2830 my $signal = new Coro::Signal; 3690 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal; 3691 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait; 3692 $signal->wait;
2833} 3693}
2834 3694
2835sub wait_for_tick_begin { 3695sub wait_for_tick_begin {
2836 return unless $TICK_WATCHER->is_active; 3696 return if tick_inhibit;
2837 return if $Coro::current == $Coro::main; 3697 return if $Coro::current == $Coro::main;
2838 3698
2839 my $signal = new Coro::Signal; 3699 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal; 3700 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait; 3701 $signal->wait;
2842} 3702}
2843 3703
2844 my $min = 1e6;#d# 3704sub tick {
2845 my $avg = 10;
2846$TICK_WATCHER = Event->timer (
2847 reentrant => 0,
2848 parked => 1,
2849 prio => 0,
2850 at => $NEXT_TICK || $TICK,
2851 data => WF_AUTOCANCEL,
2852 cb => sub {
2853 if ($Coro::current != $Coro::main) { 3705 if ($Coro::current != $Coro::main) {
2854 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"
2855 unless ++$bug_warning > 10; 3707 unless ++$bug_warning > 10;
2856 return; 3708 return;
2857 } 3709 }
2858 3710
2859 $NOW = $tick_start = Event::time;
2860
2861 cf::server_tick; # one server iteration 3711 cf::server_tick; # one server iteration
2862 3712
2863 0 && sync_job {#d# 3713 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864 for(1..10) { 3714 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865 my $t = Event::time; 3715 Coro::async_pool {
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3716 $Coro::current->{desc} = "runtime saver";
2867 or die; 3717 write_runtime_sync
2868 3718 or warn "ERROR: unable to write runtime file: $!";
2869 $map->width (50);
2870 $map->height (50);
2871 $map->alloc;
2872 $map->_load_objects ("/tmp/x.map", 1);
2873 my $t = Event::time - $t;
2874
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 }; 3719 };
3720 }
2885 3721
2886 $RUNTIME += $TICK;
2887 $NEXT_TICK += $TICK;
2888
2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2891 Coro::async_pool {
2892 write_runtime
2893 or warn "ERROR: unable to write runtime file: $!";
2894 };
2895 }
2896
2897# my $AFTER = Event::time;
2898# warn $AFTER - $NOW;#d#
2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send; 3723 $sig->send;
2902 } 3724 }
2903 while (my $sig = shift @WAIT_FOR_TICK) { 3725 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send; 3726 $sig->send;
2905 } 3727 }
2906 3728
2907 $NOW = Event::time; 3729 $LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909 # if we are delayed by four ticks or more, skip them all
2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912 $TICK_WATCHER->at ($NEXT_TICK);
2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3730 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917 3731
2918 _post_tick; 3732 if (0) {
2919 3733 if ($NEXT_TICK) {
2920 3734 my $jitter = $TICK_START - $NEXT_TICK;
3735 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736 warn "jitter $JITTER\n";#d#
3737 }
2921 }, 3738 }
2922); 3739}
2923 3740
2924{ 3741{
2925 BDB::max_poll_time $TICK * 0.1; 3742 # configure BDB
2926 $BDB_POLL_WATCHER = Event->io ( 3743
2927 reentrant => 0,
2928 fd => BDB::poll_fileno,
2929 poll => 'r',
2930 prio => 0,
2931 data => WF_AUTOCANCEL,
2932 cb => \&BDB::poll_cb,
2933 );
2934 BDB::min_parallel 8; 3744 BDB::min_parallel 8;
2935 3745 BDB::max_poll_reqs $TICK * 0.1;
2936 BDB::set_sync_prepare { 3746 $Coro::BDB::WATCHER->priority (1);
2937 my $status;
2938 my $current = $Coro::current;
2939 (
2940 sub {
2941 $status = $!;
2942 $current->ready; undef $current;
2943 },
2944 sub {
2945 Coro::schedule while defined $current;
2946 $! = $status;
2947 },
2948 )
2949 };
2950 3747
2951 unless ($DB_ENV) { 3748 unless ($DB_ENV) {
2952 $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);
2953 3754
2954 cf::sync_job { 3755 cf::sync_job {
2955 eval { 3756 eval {
2956 BDB::db_env_open 3757 BDB::db_env_open
2957 $DB_ENV, 3758 $DB_ENV,
2959 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
2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3761 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961 0666; 3762 0666;
2962 3763
2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3764 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966 $DB_ENV->set_lk_detect;
2967 }; 3765 };
2968 3766
2969 cf::cleanup "db_env_open(db): $@" if $@; 3767 cf::cleanup "db_env_open(db): $@" if $@;
2970 }; 3768 };
2971 } 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 };
2972} 3780}
2973 3781
2974{ 3782{
3783 # configure IO::AIO
3784
2975 IO::AIO::min_parallel 8; 3785 IO::AIO::min_parallel 8;
2976
2977 undef $Coro::AIO::WATCHER;
2978 IO::AIO::max_poll_time $TICK * 0.1; 3786 IO::AIO::max_poll_time $TICK * 0.1;
2979 $AIO_POLL_WATCHER = Event->io ( 3787 $Coro::AIO::WATCHER->priority (1);
2980 reentrant => 0,
2981 data => WF_AUTOCANCEL,
2982 fd => IO::AIO::poll_fileno,
2983 poll => 'r',
2984 prio => 6,
2985 cb => \&IO::AIO::poll_cb,
2986 );
2987} 3788}
2988 3789
2989my $_log_backtrace; 3790my $_log_backtrace;
2990 3791
2991sub _log_backtrace { 3792sub _log_backtrace {
2995 3796
2996 # limit the # of concurrent backtraces 3797 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) { 3798 if ($_log_backtrace < 2) {
2998 ++$_log_backtrace; 3799 ++$_log_backtrace;
2999 async { 3800 async {
3801 $Coro::current->{desc} = "abt $msg";
3802
3000 my @bt = fork_call { 3803 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr; 3804 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3805 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 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 |"
3004 or die "addr2line: $!"; 3807 or die "addr2line: $!";

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