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Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
308} 443}
309 444
310=item cf::async { BLOCK } 445=item cf::async { BLOCK }
311 446
312Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
317 452
318BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
319 454
320=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
321 456
322The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
325 461
326If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
329fast or be very important. 465fast or be very important.
332 468
333sub sync_job(&) { 469sub sync_job(&) {
334 my ($job) = @_; 470 my ($job) = @_;
335 471
336 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 473 my $time = EV::time;
338 474
339 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
341 477
342 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 479
344 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
345 481
346 my $busy = 1; 482 my $busy = 1;
347 my @res; 483 my @res;
348 484
349 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 487 @res = eval { $job->() };
351 warn $@ if $@; 488 warn $@ if $@;
352 undef $busy; 489 undef $busy;
353 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
354 491
355 while ($busy) { 492 while ($busy) {
356 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
357 } 497 }
498 }
358 499
359 $time = Event::time - $time; 500 my $time = EV::time - $time;
360 501
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 502 $TICK_START += $time; # do not account sync jobs to server load
365 503
366 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
367 } else { 505 } else {
368 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
369 507
389 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
390 528
391 $coro 529 $coro
392} 530}
393 531
394sub write_runtime { 532=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 533
397 # first touch the runtime file to show we are still running: 534Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
399 538
400 IO::AIO::aio_utime $runtime, undef, undef; 539=cut
401 540
402 my $guard = cf::lock_acquire "write_runtime"; 541sub fork_call(&@) {
542 my ($cb, @args) = @_;
403 543
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 544 # we seemingly have to make a local copy of the whole thing,
405 or return; 545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
406 547
407 my $value = $cf::RUNTIME + 90 + 10; 548 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 549 reset_signals;
409 # 60 allows for the watchdog to kill the server. 550 &$cb
551 }, @args;
410 552
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 553 wantarray ? @res : $res[-1]
412 and return; 554}
413 555
414 # always fsync - this file is important 556=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 557
418 # touch it again to show we are up-to-date 558=cut
419 aio_utime $fh, undef, undef;
420 559
421 close $fh 560our %coin_alias = (
422 or return; 561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
423 576
424 aio_rename "$runtime~", $runtime 577sub coin_from_name($) {
425 and return; 578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
426 582
427 warn "runtime file written.\n";#d# 583=item $value = cf::db_get $family => $key
428 584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
610 };
611 cf::cleanup "db_open(db): $@" if $@;
612
613 $db
614}
615
616our $DB;
617
618sub db_init {
619 cf::sync_job {
620 $DB ||= db_table "db";
621 };
622}
623
624sub db_get($$) {
625 my $key = "$_[0]/$_[1]";
626
627 cf::sync_job {
628 BDB::db_get $DB, undef, $key, my $data;
629
630 $! ? ()
631 : $data
429 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
430} 708}
431 709
432=item cf::datalog type => key => value, ... 710=item cf::datalog type => key => value, ...
433 711
434Log a datalog packet of the given type with the given key-value pairs. 712Log 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") 730attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
454 732
455In the following description, CLASS can be any of C<global>, C<object> 733In 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 734C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 735Deliantra).
458 736
459=over 4 737=over 4
460 738
461=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
462 740
664 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
665 } 943 }
666 944
667 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
668 } else { 946 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 948 }
671 949
672 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
673} 951}
674 952
714 "; 992 ";
715 die if $@; 993 die if $@;
716} 994}
717 995
718our $override; 996our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 998
721sub override { 999sub override {
722 $override = 1; 1000 $override = 1;
723 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
724} 1002}
725 1003
726sub do_invoke { 1004sub do_invoke {
727 my $event = shift; 1005 my $event = shift;
728 my $callbacks = shift; 1006 my $callbacks = shift;
729 1007
730 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
731 1009
732 local $override; 1010 local $override;
733 1011
734 for (@$callbacks) { 1012 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
744 } 1022 }
745 1023
746 0 1024 0
747} 1025}
748 1026
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1028
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1030
753Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
754 1032
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This 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 1034removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1036
759=back 1037=back
760 1038
761=cut 1039=cut
762 1040
763############################################################################# 1041#############################################################################
764# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
765 1085
766sub reattach { 1086sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1088 my ($obj) = @_;
769 1089
790cf::attachable->attach ( 1110cf::attachable->attach (
791 prio => -1000000, 1111 prio => -1000000,
792 on_instantiate => sub { 1112 on_instantiate => sub {
793 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
794 1114
795 $data = from_json $data; 1115 $data = decode_json $data;
796 1116
797 for (@$data) { 1117 for (@$data) {
798 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
799 1119
800 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1136sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
818 1138
819 sync_job { 1139 sync_job {
820 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
823 1144
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1149 aio_close $fh;
829 1150
830 if (@$objs) { 1151 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1157 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
838 } 1159 }
839 } else { 1160 } else {
840 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
841 } 1162 }
846 } 1167 }
847 } else { 1168 } else {
848 aio_unlink $filename; 1169 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
850 } 1171 }
851 } 1172 };
852} 1173}
853 1174
854sub object_freezer_as_string { 1175sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
856 1177
868 or return; 1189 or return;
869 1190
870 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
872 or return; 1193 or return;
1194
873 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
874 } 1197 }
875 1198
1199 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
878 return ($data, $av); 1203 ($data, $av)
879} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
880 1211
881############################################################################# 1212#############################################################################
882# command handling &c 1213# command handling &c
883 1214
884=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1229}
899 1230
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1232
902Register a callbackf ro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
903 1238
904If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
905called. 1240called.
906 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
907=cut 1253=cut
908 1254
909sub register_extcmd { 1255sub register_extcmd {
910 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
911 1257
912 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
913} 1265}
914 1266
915cf::player->attach ( 1267cf::player->attach (
916 on_command => sub { 1268 on_command => sub {
917 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
926 cf::override; 1278 cf::override;
927 }, 1279 },
928 on_extcmd => sub { 1280 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
930 1282
931 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1284
933 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
939 } else { 1300 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1302 }
942 1303
943 cf::override; 1304 cf::override;
944 }, 1305 },
945); 1306);
946 1307
947sub load_extension {
948 my ($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 { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
982 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1313 next unless -r $path;
984 eval { 1314
985 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
986 1 1371 }
987 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
988 } 1377 };
989} 1378}
990 1379
991############################################################################# 1380#############################################################################
992 1381
1382=back
1383
993=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
994 1385
995Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
996 1387
997=cut 1388=cut
1001use Coro::AIO; 1392use Coro::AIO;
1002 1393
1003=head3 cf::player 1394=head3 cf::player
1004 1395
1005=over 4 1396=over 4
1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
1006 1411
1007=item cf::player::find $login 1412=item cf::player::find $login
1008 1413
1009Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
1010 1415
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1454 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1455
1051 my $pl = load_pl path $login 1456 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461
1462 local $cf::PLAYER_LOADING{$login} = $pl;
1463 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
1054 } 1465 }
1055 } 1466 }
1056} 1467}
1057 1468
1066 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1067 1478
1068 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1070 1481
1482 cf::get_slot 0.01;
1483
1071 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1072 Coro::cede; 1485 cf::cede_to_tick;
1073} 1486}
1074 1487
1075sub new($) { 1488sub new($) {
1076 my ($login) = @_; 1489 my ($login) = @_;
1077 1490
1083 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1084 1497
1085 $self 1498 $self
1086} 1499}
1087 1500
1501=item $player->send_msg ($channel, $msg, $color, [extra...])
1502
1503=cut
1504
1505sub send_msg {
1506 my $ns = shift->ns
1507 or return;
1508 $ns->send_msg (@_);
1509}
1510
1088=item $pl->quit_character 1511=item $pl->quit_character
1089 1512
1090Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1514be destroyed. May block for a long time.
1092 1515
1100 $pl->{deny_save} = 1; 1523 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1524 $pl->password ("*"); # this should lock out the player until we nuked the dir
1102 1525
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1527 $pl->deactivate;
1528 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1530 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1531 $pl->ns->destroy if $pl->ns;
1107 1532
1108 my $path = playerdir $pl; 1533 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1534 my $temp = "$path~$cf::RUNTIME~deleting~";
1145 or return []; 1570 or return [];
1146 1571
1147 my @logins; 1572 my @logins;
1148 1573
1149 for my $login (@$dirs) { 1574 for my $login (@$dirs) {
1575 my $path = path $login;
1576
1577 # a .pst is a dead give-away for a valid player
1578 # if no pst file found, open and chekc for blocked users
1579 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1580 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1581 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1582 $buf !~ /^password -------------$/m or next; # official not-valid tag
1583 }
1153 1584
1154 utf8::decode $login; 1585 utf8::decode $login;
1155 push @logins, $login; 1586 push @logins, $login;
1156 } 1587 }
1157 1588
1184 } 1615 }
1185 1616
1186 \@paths 1617 \@paths
1187} 1618}
1188 1619
1620=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1621
1622Expand crossfire pod fragments into protocol xml.
1623
1624=cut
1625
1626use re 'eval';
1627
1628my $group;
1629my $interior; $interior = qr{
1630 # match a pod interior sequence sans C<< >>
1631 (?:
1632 \ (.*?)\ (?{ $group = $^N })
1633 | < (??{$interior}) >
1634 )
1635}x;
1636
1637sub expand_cfpod {
1638 my ($self, $pod) = @_;
1639
1640 my $xml;
1641
1642 while () {
1643 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644 $group = $1;
1645
1646 $group =~ s/&/&amp;/g;
1647 $group =~ s/</&lt;/g;
1648
1649 $xml .= $group;
1650 } elsif ($pod =~ m%\G
1651 ([BCGHITU])
1652 <
1653 (?:
1654 ([^<>]*) (?{ $group = $^N })
1655 | < $interior >
1656 )
1657 >
1658 %gcsx
1659 ) {
1660 my ($code, $data) = ($1, $group);
1661
1662 if ($code eq "B") {
1663 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664 } elsif ($code eq "I") {
1665 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666 } elsif ($code eq "U") {
1667 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668 } elsif ($code eq "C") {
1669 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670 } elsif ($code eq "T") {
1671 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672 } elsif ($code eq "G") {
1673 my ($male, $female) = split /\|/, $data;
1674 $data = $self->gender ? $female : $male;
1675 $xml .= expand_cfpod ($self, $data);
1676 } elsif ($code eq "H") {
1677 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679 "")
1680 [$self->{hintmode}];
1681 } else {
1682 $xml .= "error processing '$code($data)' directive";
1683 }
1684 } else {
1685 if ($pod =~ /\G(.+)/) {
1686 warn "parse error while expanding $pod (at $1)";
1687 }
1688 last;
1689 }
1690 }
1691
1692 for ($xml) {
1693 # create single paragraphs (very hackish)
1694 s/(?<=\S)\n(?=\w)/ /g;
1695
1696 # compress some whitespace
1697 s/\s+\n/\n/g; # ws line-ends
1698 s/\n\n+/\n/g; # double lines
1699 s/^\n+//; # beginning lines
1700 s/\n+$//; # ending lines
1701 }
1702
1703 $xml
1704}
1705
1706no re 'eval';
1707
1708sub hintmode {
1709 $_[0]{hintmode} = $_[1] if @_ > 1;
1710 $_[0]{hintmode}
1711}
1712
1189=item $player->ext_reply ($msgid, %msg) 1713=item $player->ext_reply ($msgid, @msg)
1190 1714
1191Sends an ext reply to the player. 1715Sends an ext reply to the player.
1192 1716
1193=cut 1717=cut
1194 1718
1195sub ext_reply($$%) { 1719sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1720 my ($self, $id, @msg) = @_;
1197 1721
1198 $msg{msgid} = $id; 1722 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1723}
1202 1724
1203=item $player->ext_event ($type, %msg) 1725=item $player->ext_msg ($type, @msg)
1204 1726
1205Sends an ext event to the client. 1727Sends an ext event to the client.
1206 1728
1207=cut 1729=cut
1208 1730
1209sub ext_event($$%) { 1731sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1732 my ($self, $type, @msg) = @_;
1211 1733
1212 $self->ns->ext_event ($type, %msg); 1734 $self->ns->ext_msg ($type, @msg);
1213} 1735}
1214 1736
1215=head3 cf::region 1737=head3 cf::region
1216 1738
1217=over 4 1739=over 4
1220 1742
1221package cf::region; 1743package cf::region;
1222 1744
1223=item cf::region::find_by_path $path 1745=item cf::region::find_by_path $path
1224 1746
1225Tries to decuce the probable region for a map knowing only its path. 1747Tries to decuce the likely region for a map knowing only its path.
1226 1748
1227=cut 1749=cut
1228 1750
1229sub find_by_path($) { 1751sub find_by_path($) {
1230 my ($path) = @_; 1752 my ($path) = @_;
1231 1753
1232 my ($match, $specificity); 1754 my ($match, $specificity);
1233 1755
1234 for my $region (list) { 1756 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1757 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1758 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1759 if $region->specificity > $specificity;
1238 } 1760 }
1239 } 1761 }
1240 1762
1261our $MAX_RESET = 3600; 1783our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1784our $DEFAULT_RESET = 3000;
1263 1785
1264sub generate_random_map { 1786sub generate_random_map {
1265 my ($self, $rmp) = @_; 1787 my ($self, $rmp) = @_;
1788
1789 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1790
1266 # mit "rum" bekleckern, nicht 1791 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1792 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1793 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1794 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1795 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1829 my ($self, $merge) = @_;
1305 1830
1306 # we have to keep some variables in memory intact 1831 # we have to keep some variables in memory intact
1307 local $self->{path}; 1832 local $self->{path};
1308 local $self->{load_path}; 1833 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1834
1312 $self->SUPER::thawer_merge ($merge); 1835 $self->SUPER::thawer_merge ($merge);
1313} 1836}
1314 1837
1315sub normalise { 1838sub normalise {
1362 $self->init; # pass $1 etc. 1885 $self->init; # pass $1 etc.
1363 return $self; 1886 return $self;
1364 } 1887 }
1365 } 1888 }
1366 1889
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1890 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1891 ()
1369} 1892}
1370 1893
1371sub init { 1894sub init {
1372 my ($self) = @_; 1895 my ($self) = @_;
1394 1917
1395# the temporary/swap location 1918# the temporary/swap location
1396sub save_path { 1919sub save_path {
1397 my ($self) = @_; 1920 my ($self) = @_;
1398 1921
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1923 "$TMPDIR/$path.map"
1401} 1924}
1402 1925
1403# the unique path, undef == no special unique path 1926# the unique path, undef == no special unique path
1404sub uniq_path { 1927sub uniq_path {
1405 my ($self) = @_; 1928 my ($self) = @_;
1406 1929
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1930 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1931 "$UNIQUEDIR/$path"
1409} 1932}
1410 1933
1411# and all this just because we cannot iterate over 1934# and all this just because we cannot iterate over
1412# all maps in C++... 1935# all maps in C++...
1415 1938
1416 $_->change_map_light ($change) 1939 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1940 for grep $_->outdoor, values %cf::MAP;
1418} 1941}
1419 1942
1943sub decay_objects {
1944 my ($self) = @_;
1945
1946 return if $self->{deny_reset};
1947
1948 $self->do_decay_objects;
1949}
1950
1420sub unlink_save { 1951sub unlink_save {
1421 my ($self) = @_; 1952 my ($self) = @_;
1422 1953
1423 utf8::encode (my $save = $self->save_path); 1954 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1955 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1958
1428sub load_header_from($) { 1959sub load_header_from($) {
1429 my ($self, $path) = @_; 1960 my ($self, $path) = @_;
1430 1961
1431 utf8::encode $path; 1962 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1963 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1964 or return;
1965
1966 $self->_load_header ($f)
1967 or return;
1968
1969 local $MAP_LOADING{$self->{path}} = $self;
1970 $f->resolve_delayed_derefs;
1437 1971
1438 $self->{load_path} = $path; 1972 $self->{load_path} = $path;
1439 1973
1440 1 1974 1
1441} 1975}
1480 $self->load_header_orig 2014 $self->load_header_orig
1481 or return; 2015 or return;
1482 $self->prepare_orig; 2016 $self->prepare_orig;
1483 } 2017 }
1484 2018
2019 $self->{deny_reset} = 1
2020 if $self->no_reset;
2021
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2022 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2023 unless $self->default_region;
1487 2024
1488 1 2025 1
1489} 2026}
1492sub find { 2029sub find {
1493 my ($path, $origin) = @_; 2030 my ($path, $origin) = @_;
1494 2031
1495 $path = normalise $path, $origin && $origin->path; 2032 $path = normalise $path, $origin && $origin->path;
1496 2033
2034 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2035 cf::lock_wait "map_find:$path";
1498 2036
1499 $cf::MAP{$path} || do { 2037 $cf::MAP{$path} || do {
2038 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500 my $guard = cf::lock_acquire "map_find:$path"; 2039 my $guard2 = cf::lock_acquire "map_find:$path";
2040
1501 my $map = new_from_path cf::map $path 2041 my $map = new_from_path cf::map $path
1502 or return; 2042 or return;
1503 2043
1504 $map->{last_save} = $cf::RUNTIME; 2044 $map->{last_save} = $cf::RUNTIME;
1505 2045
1506 $map->load_header 2046 $map->load_header
1507 or return; 2047 or return;
1508 2048
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2049 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2050 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2051 #$cf::WAIT_FOR_TICK->wait;
2052 undef $guard2;
2053 undef $guard1;
1512 $map->reset; 2054 $map->reset;
1513 undef $guard;
1514 return find $path; 2055 return find $path;
1515 } 2056 }
1516 2057
1517 $cf::MAP{$path} = $map 2058 $cf::MAP{$path} = $map
1518 } 2059 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2068 local $self->{deny_reset} = 1; # loading can take a long time
1528 2069
1529 my $path = $self->{path}; 2070 my $path = $self->{path};
1530 2071
1531 { 2072 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2073 my $guard = cf::lock_acquire "map_data:$path";
1533 2074
2075 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2076 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2077
1536 $self->in_memory (cf::MAP_LOADING); 2078 $self->in_memory (cf::MAP_LOADING);
1537 2079
1538 $self->alloc; 2080 $self->alloc;
1539 2081
1540 $self->pre_load; 2082 $self->pre_load;
1541 Coro::cede; 2083 cf::cede_to_tick;
1542 2084
2085 my $f = new_from_file cf::object::thawer $self->{load_path};
2086 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2087 $self->_load_objects ($f)
1544 or return; 2088 or return;
1545 2089
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2090 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 2091 if delete $self->{load_original};
1548 2092
1549 if (my $uniq = $self->uniq_path) { 2093 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2094 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2095 unless (aio_stat $uniq) {
2096 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2097 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2098 $self->_load_objects ($f);
2099 $f->resolve_delayed_derefs;
2100 }
1554 } 2101 }
1555 } 2102 }
1556 2103
1557 Coro::cede; 2104 $f->resolve_delayed_derefs;
2105
2106 cf::cede_to_tick;
1558 # now do the right thing for maps 2107 # now do the right thing for maps
1559 $self->link_multipart_objects; 2108 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2109 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2110 unless $self->difficulty;
1562 Coro::cede; 2111 cf::cede_to_tick;
1563 2112
1564 unless ($self->{deny_activate}) { 2113 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2114 $self->decay_objects;
1566 $self->fix_auto_apply; 2115 $self->fix_auto_apply;
1567 $self->update_buttons; 2116 $self->update_buttons;
1568 Coro::cede; 2117 cf::cede_to_tick;
1569 $self->set_darkness_map; 2118 $self->set_darkness_map;
1570 Coro::cede; 2119 cf::cede_to_tick;
1571 $self->activate; 2120 $self->activate;
1572 } 2121 }
1573 2122
2123 $self->{last_save} = $cf::RUNTIME;
2124 $self->last_access ($cf::RUNTIME);
2125
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2126 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2127 }
1576 2128
1577 $self->post_load; 2129 $self->post_load;
1578} 2130}
1579 2131
1581 my ($self, $ob) = @_; 2133 my ($self, $ob) = @_;
1582 2134
1583 return find "~" . $ob->name . "/" . $self->{path} 2135 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2136 if $self->per_player;
1585 2137
2138# return find "?party/" . $ob->name . "/" . $self->{path}
2139# if $self->per_party;
2140
1586 $self 2141 $self
1587} 2142}
1588 2143
1589# find and load all maps in the 3x3 area around a map 2144# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2145sub load_neighbours {
1591 my ($map) = @_; 2146 my ($map) = @_;
1592 2147
1593 my @diag; # diagonal neighbours 2148 my @neigh; # diagonal neighbours
1594 2149
1595 for (0 .. 3) { 2150 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2151 my $neigh = $map->tile_path ($_)
1597 or next; 2152 or next;
1598 $neigh = find $neigh, $map 2153 $neigh = find $neigh, $map
1599 or next; 2154 or next;
1600 $neigh->load; 2155 $neigh->load;
1601 2156
2157 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2158 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2159 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2160 }
1605 2161
1606 for (@diag) { 2162 for (grep defined $_->[0], @neigh) {
2163 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2164 my $neigh = find $path, $origin
1608 or next; 2165 or next;
1609 $neigh->load; 2166 $neigh->load;
1610 } 2167 }
1611} 2168}
1612 2169
1617} 2174}
1618 2175
1619sub do_load_sync { 2176sub do_load_sync {
1620 my ($map) = @_; 2177 my ($map) = @_;
1621 2178
2179 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2180 if $Coro::current == $Coro::main;
2181
1622 cf::sync_job { $map->load }; 2182 cf::sync_job { $map->load };
1623} 2183}
1624 2184
1625our %MAP_PREFETCH; 2185our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2186our $MAP_PREFETCHER = undef;
1627 2187
1628sub find_async { 2188sub find_async {
1629 my ($path, $origin) = @_; 2189 my ($path, $origin, $load) = @_;
1630 2190
1631 $path = normalise $path, $origin && $origin->{path}; 2191 $path = normalise $path, $origin && $origin->{path};
1632 2192
1633 if (my $map = $cf::MAP{$path}) { 2193 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2194 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2195 }
1636 2196
1637 undef $MAP_PREFETCH{$path}; 2197 $MAP_PREFETCH{$path} |= $load;
2198
1638 $MAP_PREFETCHER ||= cf::async { 2199 $MAP_PREFETCHER ||= cf::async {
2200 $Coro::current->{desc} = "map prefetcher";
2201
1639 while (%MAP_PREFETCH) { 2202 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2203 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2204 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2205 $map->load if $v;
2206 }
1644 2207
1645 delete $MAP_PREFETCH{$path}; 2208 delete $MAP_PREFETCH{$k};
1646 } 2209 }
1647 } 2210 }
1648 undef $MAP_PREFETCHER; 2211 undef $MAP_PREFETCHER;
1649 }; 2212 };
1650 $MAP_PREFETCHER->prio (6); 2213 $MAP_PREFETCHER->prio (6);
1653} 2216}
1654 2217
1655sub save { 2218sub save {
1656 my ($self) = @_; 2219 my ($self) = @_;
1657 2220
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2222
1660 $self->{last_save} = $cf::RUNTIME; 2223 $self->{last_save} = $cf::RUNTIME;
1661 2224
1662 return unless $self->dirty; 2225 return unless $self->dirty;
1663 2226
1669 return if $self->{deny_save}; 2232 return if $self->{deny_save};
1670 2233
1671 local $self->{last_access} = $self->last_access;#d# 2234 local $self->{last_access} = $self->last_access;#d#
1672 2235
1673 cf::async { 2236 cf::async {
2237 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2238 $_->contr->save for $self->players;
1675 }; 2239 };
2240
2241 cf::get_slot 0.02;
1676 2242
1677 if ($uniq) { 2243 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2244 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2245 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2246 } else {
1686 my ($self) = @_; 2252 my ($self) = @_;
1687 2253
1688 # save first because save cedes 2254 # save first because save cedes
1689 $self->save; 2255 $self->save;
1690 2256
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2258
1693 return if $self->players; 2259 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2260 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2261 return if $self->{deny_save};
1696 2262
2263 $self->in_memory (cf::MAP_SWAPPED);
2264
2265 $self->deactivate;
2266 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2267 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2268}
1700 2269
1701sub reset_at { 2270sub reset_at {
1702 my ($self) = @_; 2271 my ($self) = @_;
1703 2272
1704 # TODO: safety, remove and allow resettable per-player maps 2273 # 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}; 2274 return 1e99 if $self->{deny_reset};
1707 2275
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2276 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2277 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2278
1721 my ($self) = @_; 2289 my ($self) = @_;
1722 2290
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2291 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2292
1725 return if $self->players; 2293 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2294
1728 warn "resetting map ", $self->path;#d# 2295 warn "resetting map ", $self->path;
1729 2296
1730 $self->in_memory (cf::MAP_SWAPPED); 2297 $self->in_memory (cf::MAP_SWAPPED);
1731 2298
1732 # need to save uniques path 2299 # need to save uniques path
1733 unless ($self->{deny_save}) { 2300 unless ($self->{deny_save}) {
1737 if $uniq; 2304 if $uniq;
1738 } 2305 }
1739 2306
1740 delete $cf::MAP{$self->path}; 2307 delete $cf::MAP{$self->path};
1741 2308
2309 $self->deactivate;
2310 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2311 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2312
1746 $self->unlink_save; 2313 $self->unlink_save;
1747 $self->destroy; 2314 $self->destroy;
1748} 2315}
1749 2316
1750my $nuke_counter = "aaaa"; 2317my $nuke_counter = "aaaa";
1751 2318
1752sub nuke { 2319sub nuke {
1753 my ($self) = @_; 2320 my ($self) = @_;
1754 2321
2322 {
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
1755 delete $cf::MAP{$self->path}; 2325 delete $cf::MAP{$self->path};
1756 2326
1757 $self->unlink_save; 2327 $self->unlink_save;
1758 2328
1759 bless $self, "cf::map"; 2329 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2330 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2331 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2332 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2333 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2334
1765 $cf::MAP{$self->path} = $self; 2335 $cf::MAP{$self->path} = $self;
2336 }
1766 2337
1767 $self->reset; # polite request, might not happen 2338 $self->reset; # polite request, might not happen
2339}
2340
2341=item $maps = cf::map::tmp_maps
2342
2343Returns an arrayref with all map paths of currently instantiated and saved
2344maps. May block.
2345
2346=cut
2347
2348sub tmp_maps() {
2349 [
2350 map {
2351 utf8::decode $_;
2352 /\.map$/
2353 ? normalise $_
2354 : ()
2355 } @{ aio_readdir $TMPDIR or [] }
2356 ]
2357}
2358
2359=item $maps = cf::map::random_maps
2360
2361Returns an arrayref with all map paths of currently instantiated and saved
2362random maps. May block.
2363
2364=cut
2365
2366sub random_maps() {
2367 [
2368 map {
2369 utf8::decode $_;
2370 /\.map$/
2371 ? normalise "?random/$_"
2372 : ()
2373 } @{ aio_readdir $RANDOMDIR or [] }
2374 ]
1768} 2375}
1769 2376
1770=item cf::map::unique_maps 2377=item cf::map::unique_maps
1771 2378
1772Returns an arrayref of paths of all shared maps that have 2379Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2380instantiated unique items. May block.
1774 2381
1775=cut 2382=cut
1776 2383
1777sub unique_maps() { 2384sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2385 [
1779 or return; 2386 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2387 utf8::decode $_;
1785 next if /\.pst$/; 2388 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2389 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2390 ? ()
1788 push @paths, cf::map::normalise $_; 2391 : normalise $_
2392 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2393 ]
1790
1791 \@paths
1792} 2394}
1793
1794package cf;
1795 2395
1796=back 2396=back
1797 2397
1798=head3 cf::object 2398=head3 cf::object
1799 2399
1803 2403
1804=over 4 2404=over 4
1805 2405
1806=item $ob->inv_recursive 2406=item $ob->inv_recursive
1807 2407
1808Returns the inventory of the object _and_ their inventories, recursively. 2408Returns the inventory of the object I<and> their inventories, recursively,
2409but I<not> the object itself.
1809 2410
1810=cut 2411=cut
1811 2412
1812sub inv_recursive_; 2413sub inv_recursive_;
1813sub inv_recursive_ { 2414sub inv_recursive_ {
1816 2417
1817sub inv_recursive { 2418sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2419 inv_recursive_ inv $_[0]
1819} 2420}
1820 2421
2422=item $ref = $ob->ref
2423
2424Creates and returns a persistent reference to an object that can be stored as a string.
2425
2426=item $ob = cf::object::deref ($refstring)
2427
2428returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2429even if the object actually exists. May block.
2430
2431=cut
2432
2433sub deref {
2434 my ($ref) = @_;
2435
2436 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2437 my ($uuid, $name) = ($1, $2);
2438 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2439 or return;
2440 $pl->ob->uuid eq $uuid
2441 or return;
2442
2443 $pl->ob
2444 } else {
2445 warn "$ref: cannot resolve object reference\n";
2446 undef
2447 }
2448}
2449
1821package cf; 2450package cf;
1822 2451
1823=back 2452=back
1824 2453
1825=head3 cf::object::player 2454=head3 cf::object::player
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2460Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2461can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2462dialogue with the given NPC character.
1834 2463
1835=cut 2464=cut
2465
2466our $SAY_CHANNEL = {
2467 id => "say",
2468 title => "Map",
2469 reply => "say ",
2470 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2471};
2472
2473our $CHAT_CHANNEL = {
2474 id => "chat",
2475 title => "Chat",
2476 reply => "chat ",
2477 tooltip => "Player chat and shouts, global to the server.",
2478};
1836 2479
1837# rough implementation of a future "reply" method that works 2480# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2481# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2482#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2483sub cf::object::player::reply($$$;$) {
1842 2485
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2486 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2487
1845 if ($self->{record_replies}) { 2488 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2489 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2490
1847 } else { 2491 } else {
2492 my $pl = $self->contr;
2493
2494 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2495 my $dialog = $pl->{npc_dialog};
2496 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2497
2498 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2499 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2500 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2501 }
1850 } 2502 }
2503}
2504
2505=item $object->send_msg ($channel, $msg, $color, [extra...])
2506
2507=cut
2508
2509sub cf::object::send_msg {
2510 my $pl = shift->contr
2511 or return;
2512 $pl->send_msg (@_);
1851} 2513}
1852 2514
1853=item $player_object->may ("access") 2515=item $player_object->may ("access")
1854 2516
1855Returns wether the given player is authorized to access resource "access" 2517Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2598 if $x <=0 && $y <= 0;
1937 2599
1938 $map->load; 2600 $map->load;
1939 $map->load_diag; 2601 $map->load_neighbours;
1940 2602
1941 return unless $self->contr->active; 2603 return unless $self->contr->active;
1942 $self->activate_recursive; 2604 $self->activate_recursive;
1943 2605
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2606 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2607 $self->enter_map ($map, $x, $y);
1946} 2608}
1947 2609
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2610=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2611
1950Moves the player to the given map-path and coordinates by first freezing 2612Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2613her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2614that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2615the new (success) or old (failed) map position. In either case, $done will
2616be called at the end of this process.
1954 2617
1955=cut 2618=cut
1956 2619
1957our $GOTOGEN; 2620our $GOTOGEN;
1958 2621
1959sub cf::object::player::goto { 2622sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2623 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2624
1962 # do generation counting so two concurrent goto's will be executed in-order 2625 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2626 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2627
1965 $self->enter_link; 2628 $self->enter_link;
1966 2629
1967 (async { 2630 (async {
2631 $Coro::current->{desc} = "player::goto $path $x $y";
2632
2633 # *tag paths override both path and x|y
2634 if ($path =~ /^\*(.*)$/) {
2635 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2636 my $ob = $obs[rand @obs];
2637
2638 # see if we actually can go there
2639 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2640 $ob = $obs[rand @obs];
2641 } else {
2642 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2643 }
2644 # else put us there anyways for now #d#
2645
2646 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2647 } else {
2648 ($path, $x, $y) = (undef, undef, undef);
2649 }
2650 }
2651
1968 my $map = eval { 2652 my $map = eval {
1969 my $map = cf::map::find $path; 2653 my $map = defined $path ? cf::map::find $path : undef;
1970 2654
1971 if ($map) { 2655 if ($map) {
1972 $map = $map->customise_for ($self); 2656 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2657 $map = $check->($map) if $check && $map;
1974 } else { 2658 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2659 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2660 }
1977 2661
1978 $map 2662 $map
1979 }; 2663 };
1980 2664
1985 2669
1986 if ($gen == $self->{_goto_generation}) { 2670 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2671 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2672 $self->leave_link ($map, $x, $y);
1989 } 2673 }
2674
2675 $done->() if $done;
1990 })->prio (1); 2676 })->prio (1);
1991} 2677}
1992 2678
1993=item $player_object->enter_exit ($exit_object) 2679=item $player_object->enter_exit ($exit_object)
1994 2680
2014} 2700}
2015 2701
2016sub prepare_random_map { 2702sub prepare_random_map {
2017 my ($exit) = @_; 2703 my ($exit) = @_;
2018 2704
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2705 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2706 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2707 # that depends on the exit object
2024 2708
2025 my $rmp = parse_random_map_params $exit->msg; 2709 my $rmp = parse_random_map_params $exit->msg;
2027 if ($exit->map) { 2711 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2712 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2713 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2714 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
2716
2717 $exit->map->touch;
2032 } 2718 }
2033 2719
2034 $rmp->{random_seed} ||= $exit->random_seed; 2720 $rmp->{random_seed} ||= $exit->random_seed;
2035 2721
2036 my $data = cf::to_json $rmp; 2722 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2723 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2724 my $meta = "$RANDOMDIR/$md5.meta";
2039 2725
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2726 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2727 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2728 undef $fh;
2043 aio_rename "$meta~", $meta; 2729 aio_rename "$meta~", $meta;
2044 2730
2731 my $slaying = "?random/$md5";
2732
2733 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2734 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2735 $exit->msg (undef);
2736 }
2047 } 2737 }
2048} 2738}
2049 2739
2050sub cf::object::player::enter_exit { 2740sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2741 my ($self, $exit) = @_;
2052 2742
2053 return unless $self->type == cf::PLAYER; 2743 return unless $self->type == cf::PLAYER;
2054 2744
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2745 $self->enter_link;
2067 2746
2068 (async { 2747 (async {
2069 $self->deactivate_recursive; # just to be sure 2748 $Coro::current->{desc} = "enter_exit";
2749
2070 unless (eval { 2750 unless (eval {
2751 $self->deactivate_recursive; # just to be sure
2752
2753 # random map handling
2754 {
2755 my $guard = cf::lock_acquire "exit_prepare:$exit";
2756
2757 prepare_random_map $exit
2758 if $exit->slaying eq "/!";
2759 }
2760
2761 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2762 my $x = $exit->stats->hp;
2763 my $y = $exit->stats->sp;
2764
2071 $self->goto ($slaying, $hp, $sp); 2765 $self->goto ($map, $x, $y);
2072 2766
2767 # if exit is damned, update players death & WoR home-position
2768 $self->contr->savebed ($map, $x, $y)
2769 if $exit->flag (cf::FLAG_DAMNED);
2770
2073 1; 2771 1
2074 }) { 2772 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2773 $self->message ("Something went wrong deep within the crossfire server. "
2076 . "I'll try to bring you back to the map you were before. " 2774 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2775 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2776 cf::NDI_UNIQUE | cf::NDI_RED);
2099 2797
2100 utf8::encode $text; 2798 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2799 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2800}
2103 2801
2802=item $client->send_msg ($channel, $msg, $color, [extra...])
2803
2804Send a drawinfo or msg packet to the client, formatting the msg for the
2805client if neccessary. C<$type> should be a string identifying the type of
2806the message, with C<log> being the default. If C<$color> is negative, suppress
2807the message unless the client supports the msg packet.
2808
2809=cut
2810
2811# non-persistent channels (usually the info channel)
2812our %CHANNEL = (
2813 "c/identify" => {
2814 id => "infobox",
2815 title => "Identify",
2816 reply => undef,
2817 tooltip => "Items recently identified",
2818 },
2819 "c/examine" => {
2820 id => "infobox",
2821 title => "Examine",
2822 reply => undef,
2823 tooltip => "Signs and other items you examined",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/uptime" => {
2850 id => "infobox",
2851 title => "Uptime",
2852 reply => undef,
2853 tooltip => "How long the server has been running since last restart",
2854 },
2855 "c/mapinfo" => {
2856 id => "infobox",
2857 title => "Map Info",
2858 reply => undef,
2859 tooltip => "Information related to the maps",
2860 },
2861 "c/party" => {
2862 id => "party",
2863 title => "Party",
2864 reply => "gsay ",
2865 tooltip => "Messages and chat related to your party",
2866 },
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg);
2873
2874 $color &= cf::NDI_CLIENT_MASK; # just in case...
2875
2876 # check predefined channels, for the benefit of C
2877 if ($CHANNEL{$channel}) {
2878 $channel = $CHANNEL{$channel};
2879
2880 $self->ext_msg (channel_info => $channel)
2881 if $self->can_msg;
2882
2883 $channel = $channel->{id};
2884
2885 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891 }
2892
2893 $channel = $channel->{id};
2894 }
2895
2896 return unless @extra || length $msg;
2897
2898 if ($self->can_msg) {
2899 # default colour, mask it out
2900 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901 if $color & cf::NDI_DEF;
2902
2903 $self->send_packet ("msg " . $self->{json_coder}->encode (
2904 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2905 } else {
2906 if ($color >= 0) {
2907 # replace some tags by gcfclient-compatible ones
2908 for ($msg) {
2909 1 while
2910 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915 }
2916
2917 $color &= cf::NDI_COLOR_MASK;
2918
2919 utf8::encode $msg;
2920
2921 if (0 && $msg =~ /\[/) {
2922 # COMMAND/INFO
2923 $self->send_packet ("drawextinfo $color 10 8 $msg")
2924 } else {
2925 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926 $self->send_packet ("drawinfo $color $msg")
2927 }
2928 }
2929 }
2930}
2931
2104=item $client->ext_event ($type, %msg) 2932=item $client->ext_msg ($type, @msg)
2105 2933
2106Sends an exti event to the client. 2934Sends an ext event to the client.
2107 2935
2108=cut 2936=cut
2109 2937
2110sub cf::client::ext_event($$%) { 2938sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2939 my ($self, $type, @msg) = @_;
2112 2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2944 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2945 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946 }
2947}
2948
2949=item $client->ext_reply ($msgid, @msg)
2950
2951Sends an ext reply to the client.
2952
2953=cut
2954
2955sub cf::client::ext_reply($$@) {
2956 my ($self, $id, @msg) = @_;
2957
2958 if ($self->extcmd == 2) {
2959 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960 } elsif ($self->extcmd == 1) {
2961 #TODO: version 1, remove
2962 unshift @msg, msgtype => "reply", msgid => $id;
2963 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964 }
2115} 2965}
2116 2966
2117=item $success = $client->query ($flags, "text", \&cb) 2967=item $success = $client->query ($flags, "text", \&cb)
2118 2968
2119Queues a query to the client, calling the given callback with 2969Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2970the 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>. 2971C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2972
2123Queries can fail, so check the return code. Or don't, as queries will become 2973Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2974become reliable at some point in the future.
2125 2975
2126=cut 2976=cut
2127 2977
2128sub cf::client::query { 2978sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2979 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2987 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2988 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2989
2140 $self->send_packet ($self->{query_queue}[0][0]) 2990 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2991 if @{ $self->{query_queue} } == 1;
2992
2993 1
2142} 2994}
2143 2995
2144cf::client->attach ( 2996cf::client->attach (
2997 on_connect => sub {
2998 my ($ns) = @_;
2999
3000 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3001 },
2145 on_reply => sub { 3002 on_reply => sub {
2146 my ($ns, $msg) = @_; 3003 my ($ns, $msg) = @_;
2147 3004
2148 # this weird shuffling is so that direct followup queries 3005 # this weird shuffling is so that direct followup queries
2149 # get handled first 3006 # get handled first
2161 } else { 3018 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3019 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3020 }
2164 } 3021 }
2165 }, 3022 },
3023 on_exticmd => sub {
3024 my ($ns, $buf) = @_;
3025
3026 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3027
3028 if (ref $msg) {
3029 my ($type, $reply, @payload) =
3030 "ARRAY" eq ref $msg
3031 ? @$msg
3032 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3033
3034 my @reply;
3035
3036 if (my $cb = $EXTICMD{$type}) {
3037 @reply = $cb->($ns, @payload);
3038 }
3039
3040 $ns->ext_reply ($reply, @reply)
3041 if $reply;
3042
3043 } else {
3044 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3045 }
3046
3047 cf::override;
3048 },
2166); 3049);
2167 3050
2168=item $client->async (\&cb) 3051=item $client->async (\&cb)
2169 3052
2170Create a new coroutine, running the specified callback. The coroutine will 3053Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3094our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3095our $safe_hole = new Safe::Hole;
2213 3096
2214$SIG{FPE} = 'IGNORE'; 3097$SIG{FPE} = 'IGNORE';
2215 3098
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3099$safe->permit_only (Opcode::opset qw(
3100 :base_core :base_mem :base_orig :base_math
3101 grepstart grepwhile mapstart mapwhile
3102 sort time
3103));
2217 3104
2218# here we export the classes and methods available to script code 3105# here we export the classes and methods available to script code
2219 3106
2220=pod 3107=pod
2221 3108
2222The following functions and methods are available within a safe environment: 3109The following functions and methods are available within a safe environment:
2223 3110
2224 cf::object contr pay_amount pay_player map 3111 cf::object
3112 contr pay_amount pay_player map x y force_find force_add destroy
3113 insert remove name archname title slaying race decrease split
3114
2225 cf::object::player player 3115 cf::object::player
2226 cf::player peaceful 3116 player
2227 cf::map trigger 3117
3118 cf::player
3119 peaceful
3120
3121 cf::map
3122 trigger
2228 3123
2229=cut 3124=cut
2230 3125
2231for ( 3126for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3127 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128 insert remove inv nrof name archname title slaying race
3129 decrease split destroy)],
2233 ["cf::object::player" => qw(player)], 3130 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3131 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3132 ["cf::map" => qw(trigger)],
2236) { 3133) {
2237 no strict 'refs'; 3134 no strict 'refs';
2308=back 3205=back
2309 3206
2310=cut 3207=cut
2311 3208
2312############################################################################# 3209#############################################################################
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 $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3210# the server's init and main functions
2486 3211
2487sub load_facedata($) { 3212sub load_facedata($) {
2488 my ($path) = @_; 3213 my ($path) = @_;
3214
3215 # HACK to clear player env face cache, we need some signal framework
3216 # for this (global event?)
3217 %ext::player_env::MUSIC_FACE_CACHE = ();
3218
3219 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3220
2490 warn "loading facedata from $path\n"; 3221 warn "loading facedata from $path\n";
2491 3222
2492 my $facedata; 3223 my $facedata;
2493 0 < aio_load $path, $facedata 3224 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3227 $facedata = Coro::Storable::thaw $facedata;
2497 3228
2498 $facedata->{version} == 2 3229 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3230 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3231
3232 # patch in the exptable
3233 $facedata->{resource}{"res/exp_table"} = {
3234 type => FT_RSRC,
3235 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3236 };
3237 cf::cede_to_tick;
3238
2501 { 3239 {
2502 my $faces = $facedata->{faceinfo}; 3240 my $faces = $facedata->{faceinfo};
2503 3241
2504 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3243 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3245 cf::face::set_visibility $idx, $info->{visibility};
3246 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3247 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3248 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3249
3250 cf::cede_to_tick;
2510 } 3251 }
2511 3252
2512 while (my ($face, $info) = each %$faces) { 3253 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3254 next unless $info->{smooth};
3255
2514 my $idx = cf::face::find $face 3256 my $idx = cf::face::find $face
2515 or next; 3257 or next;
3258
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3259 if (my $smooth = cf::face::find $info->{smooth}) {
3260 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3261 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3262 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3263 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3264 }
2521 Coro::cede; 3265
3266 cf::cede_to_tick;
2522 } 3267 }
2523 } 3268 }
2524 3269
2525 { 3270 {
2526 my $anims = $facedata->{animinfo}; 3271 my $anims = $facedata->{animinfo};
2527 3272
2528 while (my ($anim, $info) = each %$anims) { 3273 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3274 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3275 cf::cede_to_tick;
2531 } 3276 }
2532 3277
2533 cf::anim::invalidate_all; # d'oh 3278 cf::anim::invalidate_all; # d'oh
2534 } 3279 }
2535 3280
3281 {
3282 # TODO: for gcfclient pleasure, we should give resources
3283 # that gcfclient doesn't grok a >10000 face index.
3284 my $res = $facedata->{resource};
3285
3286 while (my ($name, $info) = each %$res) {
3287 if (defined $info->{type}) {
3288 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289 my $data;
3290
3291 if ($info->{type} & 1) {
3292 # prepend meta info
3293
3294 my $meta = $enc->encode ({
3295 name => $name,
3296 %{ $info->{meta} || {} },
3297 });
3298
3299 $data = pack "(w/a*)*", $meta, $info->{data};
3300 } else {
3301 $data = $info->{data};
3302 }
3303
3304 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305 cf::face::set_type $idx, $info->{type};
3306 } else {
3307 $RESOURCE{$name} = $info;
3308 }
3309
3310 cf::cede_to_tick;
3311 }
3312 }
3313
3314 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3315
2536 1 3316 1
2537} 3317}
2538 3318
3319cf::global->attach (on_resource_update => sub {
3320 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3321 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3322
3323 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3324 my $sound = $soundconf->{compat}[$_]
3325 or next;
3326
3327 my $face = cf::face::find "sound/$sound->[1]";
3328 cf::sound::set $sound->[0] => $face;
3329 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3330 }
3331
3332 while (my ($k, $v) = each %{$soundconf->{event}}) {
3333 my $face = cf::face::find "sound/$v";
3334 cf::sound::set $k => $face;
3335 }
3336 }
3337});
3338
3339register_exticmd fx_want => sub {
3340 my ($ns, $want) = @_;
3341
3342 while (my ($k, $v) = each %$want) {
3343 $ns->fx_want ($k, $v);
3344 }
3345};
3346
3347sub load_resource_file($) {
3348 my $guard = lock_acquire "load_resource_file";
3349
3350 my $status = load_resource_file_ $_[0];
3351 get_slot 0.1, 100;
3352 cf::arch::commit_load;
3353
3354 $status
3355}
3356
2539sub reload_regions { 3357sub reload_regions {
3358 # HACK to clear player env face cache, we need some signal framework
3359 # for this (global event?)
3360 %ext::player_env::MUSIC_FACE_CACHE = ();
3361
2540 load_resource_file "$MAPDIR/regions" 3362 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3363 or die "unable to load regions file\n";
3364
3365 for (cf::region::list) {
3366 $_->{match} = qr/$_->{match}/
3367 if exists $_->{match};
3368 }
2542} 3369}
2543 3370
2544sub reload_facedata { 3371sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3372 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3373 or die "unable to load facedata\n";
2557} 3384}
2558 3385
2559sub reload_resources { 3386sub reload_resources {
2560 warn "reloading resource files...\n"; 3387 warn "reloading resource files...\n";
2561 3388
2562 reload_regions;
2563 reload_facedata; 3389 reload_facedata;
2564 reload_archetypes; 3390 reload_archetypes;
3391 reload_regions;
2565 reload_treasures; 3392 reload_treasures;
2566 3393
2567 warn "finished reloading resource files\n"; 3394 warn "finished reloading resource files\n";
2568} 3395}
2569 3396
2570sub init { 3397sub init {
3398 my $guard = freeze_mainloop;
3399
2571 reload_resources; 3400 reload_resources;
2572} 3401}
2573 3402
2574sub cfg_load { 3403sub reload_config {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3404 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3405 or return;
2577 3406
2578 local $/; 3407 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3408 *CFG = YAML::Load <$fh>;
2580 3409
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3410 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3411
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3412 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3413 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595sub main { 3424sub main {
2596 # we must not ever block the main coroutine 3425 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3426 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3427 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3428 (async {
2600 Event::one_event; 3429 $Coro::current->{desc} = "IDLE BUG HANDLER";
3430 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3431 })->prio (Coro::PRIO_MAX);
2602 }; 3432 };
2603 3433
2604 cfg_load; 3434 {
3435 my $guard = freeze_mainloop;
3436 reload_config;
2605 db_init; 3437 db_init;
2606 load_extensions; 3438 load_extensions;
2607 3439
2608 $TICK_WATCHER->start; 3440 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3441 evthread_start IO::AIO::poll_fileno;
3442 }
3443
2609 Event::loop; 3444 EV::loop;
2610} 3445}
2611 3446
2612############################################################################# 3447#############################################################################
2613# initialisation and cleanup 3448# initialisation and cleanup
2614 3449
2615# install some emergency cleanup handlers 3450# install some emergency cleanup handlers
2616BEGIN { 3451BEGIN {
3452 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3453 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3454 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3455 cf::cleanup "SIG$signal";
2625 },
2626 ); 3456 };
3457 }
3458}
3459
3460sub write_runtime_sync {
3461 my $runtime = "$LOCALDIR/runtime";
3462
3463 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time.
3465
3466 IO::AIO::aio_utime $runtime, undef, undef;
3467
3468 my $guard = cf::lock_acquire "write_runtime";
3469
3470 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3471 or return;
3472
3473 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server.
3476
3477 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3478 and return;
3479
3480 # always fsync - this file is important
3481 aio_fsync $fh
3482 and return;
3483
3484 # touch it again to show we are up-to-date
3485 aio_utime $fh, undef, undef;
3486
3487 close $fh
3488 or return;
3489
3490 aio_rename "$runtime~", $runtime
3491 and return;
3492
3493 warn "runtime file written.\n";
3494
2627 } 3495 1
3496}
3497
3498our $uuid_lock;
3499our $uuid_skip;
3500
3501sub write_uuid_sync($) {
3502 $uuid_skip ||= $_[0];
3503
3504 return if $uuid_lock;
3505 local $uuid_lock = 1;
3506
3507 my $uuid = "$LOCALDIR/uuid";
3508
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3513 $uuid_skip = 0;
3514
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return;
3517
3518 # always fsync - this file is important
3519 aio_fsync $fh
3520 and return;
3521
3522 close $fh
3523 or return;
3524
3525 aio_rename "$uuid~", $uuid
3526 and return;
3527
3528 warn "uuid file written ($value).\n";
3529
3530 1
3531
3532}
3533
3534sub write_uuid($$) {
3535 my ($skip, $sync) = @_;
3536
3537 $sync ? write_uuid_sync $skip
3538 : async { write_uuid_sync $skip };
2628} 3539}
2629 3540
2630sub emergency_save() { 3541sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
2632 3543
2638 # and maps saved/destroyed asynchronously. 3549 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3550 warn "begin emergency player save\n";
2640 for my $login (keys %cf::PLAYER) { 3551 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3552 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3553 $pl->valid or next;
3554 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3555 $pl->save;
2644 } 3556 }
2645 warn "end emergency player save\n"; 3557 warn "end emergency player save\n";
2646 3558
2647 warn "begin emergency map save\n"; 3559 warn "begin emergency map save\n";
2653 warn "end emergency map save\n"; 3565 warn "end emergency map save\n";
2654 3566
2655 warn "begin emergency database checkpoint\n"; 3567 warn "begin emergency database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3568 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3569 warn "end emergency database checkpoint\n";
3570
3571 warn "begin write uuid\n";
3572 write_uuid_sync 1;
3573 warn "end write uuid\n";
2658 }; 3574 };
2659 3575
2660 warn "leave emergency perl save\n"; 3576 warn "leave emergency perl save\n";
2661} 3577}
2662 3578
2677 warn "reloading..."; 3593 warn "reloading...";
2678 3594
2679 warn "entering sync_job"; 3595 warn "entering sync_job";
2680 3596
2681 cf::sync_job { 3597 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3599 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2685 3601
2686 warn "syncing database to disk"; 3602 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3604
2689 # if anything goes wrong in here, we should simply crash as we already saved 3605 # if anything goes wrong in here, we should simply crash as we already saved
2690
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695 3606
2696 warn "flushing outstanding aio requests"; 3607 warn "flushing outstanding aio requests";
2697 for (;;) { 3608 for (;;) {
2698 BDB::flush; 3609 BDB::flush;
2699 IO::AIO::flush; 3610 IO::AIO::flush;
2700 Coro::cede; 3611 Coro::cede_notself;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3612 last unless IO::AIO::nreqs || BDB::nreqs;
2702 warn "iterate..."; 3613 warn "iterate...";
2703 } 3614 }
2704 3615
2705 ++$RELOAD; 3616 ++$RELOAD;
2709 %EXT_CORO = (); 3620 %EXT_CORO = ();
2710 3621
2711 warn "removing commands"; 3622 warn "removing commands";
2712 %COMMAND = (); 3623 %COMMAND = ();
2713 3624
2714 warn "removing ext commands"; 3625 warn "removing ext/exti commands";
2715 %EXTCMD = (); 3626 %EXTCMD = ();
3627 %EXTICMD = ();
2716 3628
2717 warn "unloading/nuking all extensions"; 3629 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) { 3630 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg"; 3631 warn "... unloading $pkg";
2720 3632
2763 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
2764 require cf; 3676 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3678
2767 warn "loading config and database again"; 3679 warn "loading config and database again";
2768 cf::cfg_load; 3680 cf::reload_config;
2769 3681
2770 warn "loading extensions"; 3682 warn "loading extensions";
2771 cf::load_extensions; 3683 cf::load_extensions;
2772 3684
2773 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
2780 warn "leaving sync_job"; 3692 warn "leaving sync_job";
2781 3693
2782 1 3694 1
2783 } or do { 3695 } or do {
2784 warn $@; 3696 warn $@;
2785 warn "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3698 };
2788 3699
2789 warn "reloaded"; 3700 warn "reloaded";
2790}; 3701};
2791 3702
2793 3704
2794sub reload_perl() { 3705sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3706 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3707 # coro crashes during coro_state_free->destroy here.
2797 3708
2798 $RELOAD_WATCHER ||= Event->timer ( 3709 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799 reentrant => 0,
2800 after => 0,
2801 data => WF_AUTOCANCEL,
2802 cb => sub {
2803 do_reload_perl; 3710 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3711 undef $RELOAD_WATCHER;
2805 },
2806 ); 3712 };
2807} 3713}
2808 3714
2809register_command "reload" => sub { 3715register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3716 my ($who, $arg) = @_;
2811 3717
2812 if ($who->flag (FLAG_WIZ)) { 3718 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3719 $who->message ("reloading server.");
3720 async {
3721 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3722 reload_perl;
3723 };
2815 } 3724 }
2816}; 3725};
2817 3726
2818unshift @INC, $LIBDIR; 3727unshift @INC, $LIBDIR;
2819 3728
2821 3730
2822our @WAIT_FOR_TICK; 3731our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3732our @WAIT_FOR_TICK_BEGIN;
2824 3733
2825sub wait_for_tick { 3734sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3735 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3736
2829 my $signal = new Coro::Signal; 3737 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3738 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3739 $signal->wait;
2832} 3740}
2833 3741
2834sub wait_for_tick_begin { 3742sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3743 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3744
2838 my $signal = new Coro::Signal; 3745 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3746 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3747 $signal->wait;
2841} 3748}
2842 3749
2843 my $min = 1e6;#d# 3750sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3751 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3752 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3753 unless ++$bug_warning > 10;
2855 return; 3754 return;
2856 } 3755 }
2857 3756
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3757 cf::server_tick; # one server iteration
2861 3758
2862 0 && sync_job {#d# 3759 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3760 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3761 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3762 $Coro::current->{desc} = "runtime saver";
2866 or die; 3763 write_runtime_sync
2867 3764 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3765 };
3766 }
2884 3767
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3769 $sig->send;
2901 } 3770 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3771 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3772 $sig->send;
2904 } 3773 }
2905 3774
2906 $NOW = Event::time; 3775 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3776 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3777
2917 _post_tick; 3778 if (0) {
2918 3779 if ($NEXT_TICK) {
2919 3780 my $jitter = $TICK_START - $NEXT_TICK;
3781 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3782 warn "jitter $JITTER\n";#d#
3783 }
2920 }, 3784 }
2921); 3785}
2922 3786
2923{ 3787{
2924 BDB::max_poll_time $TICK * 0.1; 3788 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3789
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3790 BDB::min_parallel 8;
2934 3791 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3792 $Coro::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3793
2950 unless ($DB_ENV) { 3794 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3795 $DB_ENV = BDB::db_env_create;
3796 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3797 | BDB::LOG_AUTOREMOVE, 1);
3798 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3800
2953 cf::sync_job { 3801 cf::sync_job {
2954 eval { 3802 eval {
2955 BDB::db_env_open 3803 BDB::db_env_open
2956 $DB_ENV, 3804 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3806 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3807 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3808 0666;
2961 3809
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3810 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3811 };
2967 3812
2968 cf::cleanup "db_env_open(db): $@" if $@; 3813 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3814 };
2970 } 3815 }
3816
3817 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3818 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3819 };
3820 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3821 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3822 };
3823 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3824 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3825 };
2971} 3826}
2972 3827
2973{ 3828{
3829 # configure IO::AIO
3830
2974 IO::AIO::min_parallel 8; 3831 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3832 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3833 $Coro::AIO::WATCHER->priority (1);
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3834}
2987 3835
2988my $_log_backtrace; 3836my $_log_backtrace;
2989 3837
2990sub _log_backtrace { 3838sub _log_backtrace {
2994 3842
2995 # limit the # of concurrent backtraces 3843 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3844 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3845 ++$_log_backtrace;
2998 async { 3846 async {
3847 $Coro::current->{desc} = "abt $msg";
3848
2999 my @bt = fork_call { 3849 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3850 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3851 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3852 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3853 or die "addr2line: $!";

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