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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 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;
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 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::AnyEvent;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
22use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::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 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
94 124
95binmode STDOUT; 125binmode STDOUT;
96binmode STDERR; 126binmode STDERR;
97 127
98# read virtual server time, if available 128# read virtual server time, if available
139 169
140=item $cf::TICK 170=item $cf::TICK
141 171
142The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
143 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
144=item %cf::CFG 184=item %cf::CFG
145 185
146Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 187from wherever your confdir points to.
148 188
149=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
150 190
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
155=back 201=back
156 202
157=cut 203=cut
158 204
159BEGIN { 205BEGIN {
163 $msg .= "\n" 209 $msg .= "\n"
164 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
165 211
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 213
168 utf8::encode $msg;
169 LOG llevError, $msg; 214 LOG llevError, $msg;
170 }; 215 };
171} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
172 232
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 240
180# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 242# within the Safe compartment.
182for my $pkg (qw( 243for my $pkg (qw(
183 cf::global cf::attachable 244 cf::global cf::attachable
188)) { 249)) {
189 no strict 'refs'; 250 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 252}
192 253
193$Event::DIED = sub { 254$EV::DIED = sub {
194 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
195}; 256};
257
258#############################################################################
196 259
197=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
198 261
199=over 4 262=over 4
200 263
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 283 $d
221 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
222} 285}
223 286
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
227 288
228Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
229 290
230=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
231 292
232Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
294
295=cut
296
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298
299sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) }
233 301
234=item cf::lock_wait $string 302=item cf::lock_wait $string
235 303
236Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
237 305
240Wait until the given lock is available and then acquires it and returns 308Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
243returned. 311returned.
244 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
245Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
247 318
248=item $locked = cf::lock_active $string 319=item $locked = cf::lock_active $string
249 320
250Return true if the lock is currently active, i.e. somebody has locked it. 321Return true if the lock is currently active, i.e. somebody has locked it.
251 322
252=cut 323=cut
253 324
254our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
255 327
256sub lock_wait($) { 328sub lock_wait($) {
257 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
258 335
259 # wait for lock, if any 336 # wait for lock, if any
260 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 339 Coro::schedule;
268 345
269 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
270 lock_wait $key; 347 lock_wait $key;
271 348
272 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
273 351
274 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
277 } 356 }
278} 357}
279 358
282 361
283 ! ! $LOCK{$key} 362 ! ! $LOCK{$key}
284} 363}
285 364
286sub freeze_mainloop { 365sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
288 367
289 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
291 }; 429 }
292 $TICK_WATCHER->stop; 430};
293 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
294} 444}
295 445
296=item cf::async { BLOCK } 446=item cf::async { BLOCK }
297 447
298Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
303 453
304BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
305 455
306=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
307 457
308The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
311 462
312If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
315fast or be very important. 466fast or be very important.
318 469
319sub sync_job(&) { 470sub sync_job(&) {
320 my ($job) = @_; 471 my ($job) = @_;
321 472
322 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
474 my $time = EV::time;
475
323 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
325 478
326 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 480
328 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
329 482
330 my $busy = 1; 483 my $busy = 1;
331 my @res; 484 my @res;
332 485
333 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 488 @res = eval { $job->() };
335 warn $@ if $@; 489 warn $@ if $@;
336 undef $busy; 490 undef $busy;
337 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
338 492
339 while ($busy) { 493 while ($busy) {
340 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
341 } 498 }
499 }
500
501 my $time = EV::time - $time;
502
503 $TICK_START += $time; # do not account sync jobs to server load
342 504
343 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
344 } else { 506 } else {
345 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
346 508
366 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
367 529
368 $coro 530 $coro
369} 531}
370 532
371sub write_runtime { 533=item fork_call { }, $args
372 my $runtime = "$LOCALDIR/runtime";
373 534
374 # first touch the runtime file to show we are still running: 535Executes the given code block with the given arguments in a seperate
375 # the fsync below can take a very very long time. 536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
376 539
377 warn "touching runtime...\n";#d# 540=cut
378 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 541
379 utime undef, undef, $fh; 542sub fork_call(&@) {
543 my ($cb, @args) = @_;
544
545 # we seemingly have to make a local copy of the whole thing,
546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
548
549 my @res = Coro::Util::fork_eval {
550 reset_signals;
551 &$cb
552 }, @args;
553
554 wantarray ? @res : $res[-1]
555}
556
557=item $coin = coin_from_name $name
558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
380 } 611 };
612 cf::cleanup "db_open(db): $@" if $@;
381 613
382 my $guard = cf::lock_acquire "write_runtime"; 614 $db
615}
383 616
384 warn "starting to write runtime...\n";#d# 617our $DB;
385 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386 or return;
387 618
388 my $value = $cf::RUNTIME + 90 + 10; 619sub db_init {
389 # 10 is the runtime save interval, for a monotonic clock 620 cf::sync_job {
390 # 60 allows for the watchdog to kill the server. 621 $DB ||= db_table "db";
622 };
623}
391 624
392 (aio_write $fh, 0, (length $value), $value, 0) <= 0 625sub db_get($$) {
393 and return; 626 my $key = "$_[0]/$_[1]";
394 627
395 # always fsync - this file is important 628 cf::sync_job {
396 aio_fsync $fh 629 BDB::db_get $DB, undef, $key, my $data;
397 and return;
398 630
399 # touch it again to show we are up-to-date 631 $! ? ()
400 utime undef, undef, $fh; 632 : $data
401
402 close $fh
403 or return;
404
405 aio_rename "$runtime~", $runtime
406 and return;
407
408 warn "... done writing runtime.\n";#d#
409
410 1 633 }
634}
635
636sub db_put($$$) {
637 BDB::dbreq_pri 4;
638 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
639}
640
641=item cf::cache $id => [$paths...], $processversion => $process
642
643Generic caching function that returns the value of the resource $id,
644caching and regenerating as required.
645
646This function can block.
647
648=cut
649
650sub cache {
651 my ($id, $src, $processversion, $process) = @_;
652
653 my $meta =
654 join "\x00",
655 $processversion,
656 map {
657 aio_stat $_
658 and Carp::croak "$_: $!";
659
660 ($_, (stat _)[7,9])
661 } @$src;
662
663 my $dbmeta = db_get cache => "$id/meta";
664 if ($dbmeta ne $meta) {
665 # changed, we may need to process
666
667 my @data;
668 my $md5;
669
670 for (0 .. $#$src) {
671 0 <= aio_load $src->[$_], $data[$_]
672 or Carp::croak "$src->[$_]: $!";
673 }
674
675 # if processing is expensive, check
676 # checksum first
677 if (1) {
678 $md5 =
679 join "\x00",
680 $processversion,
681 map {
682 cf::cede_to_tick;
683 ($src->[$_], Digest::MD5::md5_hex $data[$_])
684 } 0.. $#$src;
685
686
687 my $dbmd5 = db_get cache => "$id/md5";
688 if ($dbmd5 eq $md5) {
689 db_put cache => "$id/meta", $meta;
690
691 return db_get cache => "$id/data";
692 }
693 }
694
695 my $t1 = Time::HiRes::time;
696 my $data = $process->(\@data);
697 my $t2 = Time::HiRes::time;
698
699 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
700
701 db_put cache => "$id/data", $data;
702 db_put cache => "$id/md5" , $md5;
703 db_put cache => "$id/meta", $meta;
704
705 return $data;
706 }
707
708 db_get cache => "$id/data"
411} 709}
412 710
413=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
414 712
415Log a datalog packet of the given type with the given key-value pairs. 713Log a datalog packet of the given type with the given key-value pairs.
433attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
434to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
435 733
436In the following description, CLASS can be any of C<global>, C<object> 734In the following description, CLASS can be any of C<global>, C<object>
437C<player>, C<client> or C<map> (i.e. the attachable objects in 735C<player>, C<client> or C<map> (i.e. the attachable objects in
438crossfire+). 736Deliantra).
439 737
440=over 4 738=over 4
441 739
442=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
443 741
606 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
607 905
608 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
609 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
610 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
611 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612 910
613 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
614 my $pkg = shift @arg; 912 my $pkg = shift @arg;
615 913
616 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
645 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
646 } 944 }
647 945
648 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
649 } else { 947 } else {
650 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
651 } 949 }
652 950
653 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
654} 952}
655 953
657 if (ref $_[0]) { 955 if (ref $_[0]) {
658 _object_attach @_; 956 _object_attach @_;
659 } else { 957 } else {
660 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
661 } 959 }
960 _recalc_want;
662}; 961};
663 962
664# all those should be optimised 963# all those should be optimised
665sub cf::attachable::detach { 964sub cf::attachable::detach {
666 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
669 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
670 reattach ($obj); 969 reattach ($obj);
671 } else { 970 } else {
672 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
673 } 972 }
973 _recalc_want;
674}; 974};
675 975
676sub cf::attachable::attached { 976sub cf::attachable::attached {
677 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
678 978
693 "; 993 ";
694 die if $@; 994 die if $@;
695} 995}
696 996
697our $override; 997our $override;
698our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 998our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699 999
700sub override { 1000sub override {
701 $override = 1; 1001 $override = 1;
702 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
703} 1003}
704 1004
705sub do_invoke { 1005sub do_invoke {
706 my $event = shift; 1006 my $event = shift;
707 my $callbacks = shift; 1007 my $callbacks = shift;
708 1008
709 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
710 1010
711 local $override; 1011 local $override;
712 1012
713 for (@$callbacks) { 1013 for (@$callbacks) {
714 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
723 } 1023 }
724 1024
725 0 1025 0
726} 1026}
727 1027
728=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729 1029
730=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731 1031
732Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
733 1033
734This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1034This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735removed in future versions), and there is no public API to access override 1035removed in future versions), and there is no public API to access override
736results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737 1037
738=back 1038=back
739 1039
740=cut 1040=cut
741 1041
742############################################################################# 1042#############################################################################
743# object support 1043# object support
1044
1045sub _object_equal($$);
1046sub _object_equal($$) {
1047 my ($a, $b) = @_;
1048
1049 return 0 unless (ref $a) eq (ref $b);
1050
1051 if ("HASH" eq ref $a) {
1052 my @ka = keys %$a;
1053 my @kb = keys %$b;
1054
1055 return 0 if @ka != @kb;
1056
1057 for (0 .. $#ka) {
1058 return 0 unless $ka[$_] eq $kb[$_];
1059 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1060 }
1061
1062 } elsif ("ARRAY" eq ref $a) {
1063
1064 return 0 if @$a != @$b;
1065
1066 for (0 .. $#$a) {
1067 return 0 unless _object_equal $a->[$_], $b->[$_];
1068 }
1069
1070 } elsif ($a ne $b) {
1071 return 0;
1072 }
1073
1074 1
1075}
1076
1077our $SLOW_MERGES;#d#
1078sub _can_merge {
1079 my ($ob1, $ob2) = @_;
1080
1081 ++$SLOW_MERGES;#d#
1082
1083 # we do the slow way here
1084 return _object_equal $ob1, $ob2
1085}
744 1086
745sub reattach { 1087sub reattach {
746 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
747 my ($obj) = @_; 1089 my ($obj) = @_;
748 1090
769cf::attachable->attach ( 1111cf::attachable->attach (
770 prio => -1000000, 1112 prio => -1000000,
771 on_instantiate => sub { 1113 on_instantiate => sub {
772 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
773 1115
774 $data = from_json $data; 1116 $data = decode_json $data;
775 1117
776 for (@$data) { 1118 for (@$data) {
777 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
778 1120
779 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
795sub object_freezer_save { 1137sub object_freezer_save {
796 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
797 1139
798 sync_job { 1140 sync_job {
799 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
800 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
801 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
802 1145
803 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
805 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
807 close $fh; 1150 aio_close $fh;
808 1151
809 if (@$objs) { 1152 if (@$objs) {
810 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
812 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
814 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
815 close $fh; 1158 aio_close $fh;
816 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
817 } 1160 }
818 } else { 1161 } else {
819 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
820 } 1163 }
825 } 1168 }
826 } else { 1169 } else {
827 aio_unlink $filename; 1170 aio_unlink $filename;
828 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
829 } 1172 }
830 } 1173 };
831} 1174}
832 1175
833sub object_freezer_as_string { 1176sub object_freezer_as_string {
834 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
835 1178
847 or return; 1190 or return;
848 1191
849 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
850 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
851 or return; 1194 or return;
1195
852 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
853 } 1198 }
854 1199
1200 utf8::decode (my $decname = $filename);
855 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
856 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
857 return ($data, $av); 1204 ($data, $av)
858} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
859 1212
860############################################################################# 1213#############################################################################
861# command handling &c 1214# command handling &c
862 1215
863=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
876 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
877} 1230}
878 1231
879=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
880 1233
881Register a callbackf ro execution when the client sends an extcmd packet. 1234Register a callback for execution when the client sends an (synchronous)
1235extcmd packet. Ext commands will be processed in the order they are
1236received by the server, like other user commands. The first argument is
1237the logged-in player. Ext commands can only be processed after a player
1238has logged in successfully.
882 1239
883If the callback returns something, it is sent back as if reply was being 1240If the callback returns something, it is sent back as if reply was being
884called. 1241called.
885 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
886=cut 1254=cut
887 1255
888sub register_extcmd { 1256sub register_extcmd {
889 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
890 1258
891 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
892} 1266}
893 1267
894cf::player->attach ( 1268cf::player->attach (
895 on_command => sub { 1269 on_command => sub {
896 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
905 cf::override; 1279 cf::override;
906 }, 1280 },
907 on_extcmd => sub { 1281 on_extcmd => sub {
908 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
909 1283
910 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911 1285
912 if (ref $msg) { 1286 if (ref $msg) {
1287 my ($type, $reply, @payload) =
1288 "ARRAY" eq ref $msg
1289 ? @$msg
1290 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291
1292 my @reply;
1293
913 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
914 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
915 $pl->ext_reply ($msg->{msgid}, %reply);
916 }
917 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
918 } else { 1301 } else {
919 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920 } 1303 }
921 1304
922 cf::override; 1305 cf::override;
923 }, 1306 },
924); 1307);
925 1308
926sub load_extension {
927 my ($path) = @_;
928
929 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
930 my $base = $1;
931 my $pkg = $1;
932 $pkg =~ s/[^[:word:]]/_/g;
933 $pkg = "ext::$pkg";
934
935 warn "... loading '$path' into '$pkg'\n";
936
937 open my $fh, "<:utf8", $path
938 or die "$path: $!";
939
940 my $source =
941 "package $pkg; use strict; use utf8;\n"
942 . "#line 1 \"$path\"\n{\n"
943 . (do { local $/; <$fh> })
944 . "\n};\n1";
945
946 unless (eval $source) {
947 my $msg = $@ ? "$path: $@\n"
948 : "extension disabled.\n";
949 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950 warn $@;
951 warn "mandatory extension failed to load, exiting.\n";
952 exit 1;
953 }
954 die $@;
955 }
956
957 push @EXTS, $pkg;
958}
959
960sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
961 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
962 next unless -r $ext; 1314 next unless -r $path;
963 eval { 1315
964 load_extension $ext; 1316 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1317 my $base = $1;
1318 my $pkg = $1;
1319 $pkg =~ s/[^[:word:]]/_/g;
1320 $pkg = "ext::$pkg";
1321
1322 open my $fh, "<:utf8", $path
1323 or die "$path: $!";
1324
1325 my $source = do { local $/; <$fh> };
1326
1327 my %ext = (
1328 path => $path,
1329 base => $base,
1330 pkg => $pkg,
1331 );
1332
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335
1336 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n"
1339 . $source
1340 . "\n};\n1";
1341
1342 $todo{$base} = \%ext;
1343 }
1344
1345 my %done;
1346 while (%todo) {
1347 my $progress;
1348
1349 while (my ($k, $v) = each %todo) {
1350 for (split /,\s*/, $v->{meta}{depends}) {
1351 goto skip
1352 unless exists $done{$_};
1353 }
1354
1355 warn "... loading '$k' into '$v->{pkg}'\n";
1356
1357 unless (eval $v->{source}) {
1358 my $msg = $@ ? "$v->{path}: $@\n"
1359 : "$v->{base}: extension inactive.\n";
1360
1361 if (exists $v->{meta}{mandatory}) {
1362 warn $msg;
1363 cf::cleanup "mandatory extension failed to load, exiting.";
1364 }
1365
1366 warn $msg;
1367 }
1368
1369 $done{$k} = delete $todo{$k};
1370 push @EXTS, $v->{pkg};
1371 $progress = 1;
965 1 1372 }
966 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
967 } 1378 };
968} 1379}
969 1380
970############################################################################# 1381#############################################################################
971 1382
1383=back
1384
972=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
973 1386
974Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
975 1388
976=cut 1389=cut
980use Coro::AIO; 1393use Coro::AIO;
981 1394
982=head3 cf::player 1395=head3 cf::player
983 1396
984=over 4 1397=over 4
1398
1399=item cf::player::num_playing
1400
1401Returns the official number of playing players, as per the Crossfire metaserver rules.
1402
1403=cut
1404
1405sub num_playing {
1406 scalar grep
1407 $_->ob->map
1408 && !$_->hidden
1409 && !$_->ob->flag (cf::FLAG_WIZ),
1410 cf::player::list
1411}
985 1412
986=item cf::player::find $login 1413=item cf::player::find $login
987 1414
988Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
989 1416
1025 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1029 1456
1030 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1031 or return; 1458 or return;
1459
1460 my $pl = cf::player::load_pl $f
1461 or return;
1462
1463 local $cf::PLAYER_LOADING{$login} = $pl;
1464 $f->resolve_delayed_derefs;
1032 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1033 } 1466 }
1034 } 1467 }
1035} 1468}
1036 1469
1045 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1046 1479
1047 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1048 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1049 1482
1483 cf::get_slot 0.01;
1484
1050 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1051 Coro::cede; 1486 cf::cede_to_tick;
1052} 1487}
1053 1488
1054sub new($) { 1489sub new($) {
1055 my ($login) = @_; 1490 my ($login) = @_;
1056 1491
1062 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1063 1498
1064 $self 1499 $self
1065} 1500}
1066 1501
1502=item $player->send_msg ($channel, $msg, $color, [extra...])
1503
1504=cut
1505
1506sub send_msg {
1507 my $ns = shift->ns
1508 or return;
1509 $ns->send_msg (@_);
1510}
1511
1067=item $pl->quit_character 1512=item $pl->quit_character
1068 1513
1069Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1070be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1071 1516
1079 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1080 $pl->password ("*"); # this should lock out the player until we nuked the dir 1525 $pl->password ("*"); # this should lock out the player until we nuked the dir
1081 1526
1082 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1084 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1085 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1086 1533
1087 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1088 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1124 or return []; 1571 or return [];
1125 1572
1126 my @logins; 1573 my @logins;
1127 1574
1128 for my $login (@$dirs) { 1575 for my $login (@$dirs) {
1576 my $path = path $login;
1577
1578 # a .pst is a dead give-away for a valid player
1579 # if no pst file found, open and chekc for blocked users
1580 if (aio_stat "$path.pst") {
1129 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1131 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1132 1585
1133 utf8::decode $login; 1586 utf8::decode $login;
1134 push @logins, $login; 1587 push @logins, $login;
1135 } 1588 }
1136 1589
1163 } 1616 }
1164 1617
1165 \@paths 1618 \@paths
1166} 1619}
1167 1620
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1622
1623Expand crossfire pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713
1168=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1169 1715
1170Sends an ext reply to the player. 1716Sends an ext reply to the player.
1171 1717
1172=cut 1718=cut
1173 1719
1174sub ext_reply($$%) { 1720sub ext_reply($$@) {
1175 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1176 1722
1177 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1178
1179 $self->send ("ext " . cf::to_json \%msg);
1180} 1724}
1181 1725
1182=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1183 1727
1184Sends an ext event to the client. 1728Sends an ext event to the client.
1185 1729
1186=cut 1730=cut
1187 1731
1188sub ext_event($$%) { 1732sub ext_msg($$@) {
1189 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1190 1734
1191 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1192} 1736}
1193 1737
1194=head3 cf::region 1738=head3 cf::region
1195 1739
1196=over 4 1740=over 4
1199 1743
1200package cf::region; 1744package cf::region;
1201 1745
1202=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1203 1747
1204Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1205 1749
1206=cut 1750=cut
1207 1751
1208sub find_by_path($) { 1752sub find_by_path($) {
1209 my ($path) = @_; 1753 my ($path) = @_;
1210 1754
1211 my ($match, $specificity); 1755 my ($match, $specificity);
1212 1756
1213 for my $region (list) { 1757 for my $region (list) {
1214 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1215 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1216 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1217 } 1761 }
1218 } 1762 }
1219 1763
1240our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1241our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1242 1786
1243sub generate_random_map { 1787sub generate_random_map {
1244 my ($self, $rmp) = @_; 1788 my ($self, $rmp) = @_;
1789
1790 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791
1245 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1246 $self->_create_random_map ( 1793 $self->_create_random_map (
1247 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1283 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1284 1831
1285 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1286 local $self->{path}; 1833 local $self->{path};
1287 local $self->{load_path}; 1834 local $self->{load_path};
1288 local $self->{deny_save};
1289 local $self->{deny_reset};
1290 1835
1291 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1292} 1837}
1293 1838
1294sub normalise { 1839sub normalise {
1341 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1342 return $self; 1887 return $self;
1343 } 1888 }
1344 } 1889 }
1345 1890
1346 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1347 () 1892 ()
1348} 1893}
1349 1894
1350sub init { 1895sub init {
1351 my ($self) = @_; 1896 my ($self) = @_;
1373 1918
1374# the temporary/swap location 1919# the temporary/swap location
1375sub save_path { 1920sub save_path {
1376 my ($self) = @_; 1921 my ($self) = @_;
1377 1922
1378 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379 "$TMPDIR/$path.map" 1924 "$TMPDIR/$path.map"
1380} 1925}
1381 1926
1382# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1383sub uniq_path { 1928sub uniq_path {
1384 my ($self) = @_; 1929 my ($self) = @_;
1385 1930
1386 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1388} 1933}
1389 1934
1390# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1391# all maps in C++... 1936# all maps in C++...
1394 1939
1395 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1396 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1397} 1942}
1398 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1399sub unlink_save { 1952sub unlink_save {
1400 my ($self) = @_; 1953 my ($self) = @_;
1401 1954
1402 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1403 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1406 1959
1407sub load_header_from($) { 1960sub load_header_from($) {
1408 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1409 1962
1410 utf8::encode $path; 1963 utf8::encode $path;
1411 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1412 # or return;
1413
1414 $self->_load_header ($path)
1415 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1416 1972
1417 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1418 1974
1419 1 1975 1
1420} 1976}
1459 $self->load_header_orig 2015 $self->load_header_orig
1460 or return; 2016 or return;
1461 $self->prepare_orig; 2017 $self->prepare_orig;
1462 } 2018 }
1463 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1464 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1465 unless $self->default_region; 2024 unless $self->default_region;
1466 2025
1467 1 2026 1
1468} 2027}
1471sub find { 2030sub find {
1472 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1473 2032
1474 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1475 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1476 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1477 2037
1478 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1480 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1481 or return; 2043 or return;
1482 2044
1483 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1484 2046
1485 $map->load_header 2047 $map->load_header
1486 or return; 2048 or return;
1487 2049
1488 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1490 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1491 $map->reset; 2055 $map->reset;
1492 undef $guard;
1493 return find $path; 2056 return find $path;
1494 } 2057 }
1495 2058
1496 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1497 } 2060 }
1506 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1507 2070
1508 my $path = $self->{path}; 2071 my $path = $self->{path};
1509 2072
1510 { 2073 {
1511 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1512 2075
2076 return unless $self->valid;
1513 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1514 2078
1515 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1516 2080
1517 $self->alloc; 2081 $self->alloc;
1518 2082
1519 $self->pre_load; 2083 $self->pre_load;
1520 Coro::cede; 2084 cf::cede_to_tick;
1521 2085
2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
1522 $self->_load_objects ($self->{load_path}, 1) 2088 $self->_load_objects ($f)
1523 or return; 2089 or return;
1524 2090
1525 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1527 2093
1528 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1529 utf8::encode $uniq; 2095 utf8::encode $uniq;
1530 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1531 $self->clear_unique_items; 2098 $self->clear_unique_items;
1532 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1533 } 2102 }
1534 } 2103 }
1535 2104
1536 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1537 # now do the right thing for maps 2108 # now do the right thing for maps
1538 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1539 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1540 unless $self->difficulty; 2111 unless $self->difficulty;
1541 Coro::cede; 2112 cf::cede_to_tick;
1542 2113
1543 unless ($self->{deny_activate}) { 2114 unless ($self->{deny_activate}) {
1544 $self->decay_objects; 2115 $self->decay_objects;
1545 $self->fix_auto_apply; 2116 $self->fix_auto_apply;
1546 $self->update_buttons; 2117 $self->update_buttons;
1547 Coro::cede; 2118 cf::cede_to_tick;
1548 $self->set_darkness_map; 2119 $self->set_darkness_map;
1549 Coro::cede; 2120 cf::cede_to_tick;
1550 $self->activate; 2121 $self->activate;
1551 } 2122 }
1552 2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
1553 $self->in_memory (cf::MAP_IN_MEMORY); 2127 $self->in_memory (cf::MAP_ACTIVE);
1554 } 2128 }
1555 2129
1556 $self->post_load; 2130 $self->post_load;
1557} 2131}
1558 2132
1560 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1561 2135
1562 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1563 if $self->per_player; 2137 if $self->per_player;
1564 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1565 $self 2142 $self
1566} 2143}
1567 2144
1568# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1569sub load_diag { 2146sub load_neighbours {
1570 my ($map) = @_; 2147 my ($map) = @_;
1571 2148
1572 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1573 2150
1574 for (0 .. 3) { 2151 for (0 .. 3) {
1575 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1576 or next; 2153 or next;
1577 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1578 or next; 2155 or next;
1579 $neigh->load; 2156 $neigh->load;
1580 2157
2158 push @neigh,
1581 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1583 } 2161 }
1584 2162
1585 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1586 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1587 or next; 2166 or next;
1588 $neigh->load; 2167 $neigh->load;
1589 } 2168 }
1590} 2169}
1591 2170
1596} 2175}
1597 2176
1598sub do_load_sync { 2177sub do_load_sync {
1599 my ($map) = @_; 2178 my ($map) = @_;
1600 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1601 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1602} 2184}
1603 2185
1604our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1605our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1606 2188
1607sub find_async { 2189sub find_async {
1608 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1609 2191
1610 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1611 2193
1612 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1613 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614 } 2196 }
1615 2197
1616 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1617 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1618 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1619 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1620 my $map = find $path 2205 if (my $map = find $k) {
1621 or next;
1622 $map->load; 2206 $map->load if $v;
2207 }
1623 2208
1624 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1625 } 2210 }
1626 } 2211 }
1627 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1628 }; 2213 };
1629 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1632} 2217}
1633 2218
1634sub save { 2219sub save {
1635 my ($self) = @_; 2220 my ($self) = @_;
1636 2221
1637 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2223
1639 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1640 2225
1641 return unless $self->dirty; 2226 return unless $self->dirty;
1642 2227
1648 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1649 2234
1650 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1651 2236
1652 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1653 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1654 }; 2240 };
2241
2242 cf::get_slot 0.02;
1655 2243
1656 if ($uniq) { 2244 if ($uniq) {
1657 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1659 } else { 2247 } else {
1665 my ($self) = @_; 2253 my ($self) = @_;
1666 2254
1667 # save first because save cedes 2255 # save first because save cedes
1668 $self->save; 2256 $self->save;
1669 2257
1670 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1671 2259
1672 return if $self->players; 2260 return if $self->players;
1673 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1674 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1675 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1676 $self->clear; 2268 $self->clear;
1677 $self->in_memory (cf::MAP_SWAPPED);
1678} 2269}
1679 2270
1680sub reset_at { 2271sub reset_at {
1681 my ($self) = @_; 2272 my ($self) = @_;
1682 2273
1683 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1684 return 1e99 if $self->isa ("ext::map_per_player");#d#
1685 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1686 2276
1687 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689 2279
1700 my ($self) = @_; 2290 my ($self) = @_;
1701 2291
1702 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1703 2293
1704 return if $self->players; 2294 return if $self->players;
1705 return if $self->isa ("ext::map_per_player");#d#
1706 2295
1707 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1708 2297
1709 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1710 2299
1711 # need to save uniques path 2300 # need to save uniques path
1712 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1716 if $uniq; 2305 if $uniq;
1717 } 2306 }
1718 2307
1719 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1720 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1721 $self->clear; 2312 $self->clear;
1722
1723 $_->clear_links_to ($self) for values %cf::MAP;
1724 2313
1725 $self->unlink_save; 2314 $self->unlink_save;
1726 $self->destroy; 2315 $self->destroy;
1727} 2316}
1728 2317
1729my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1730 2319
1731sub nuke { 2320sub nuke {
1732 my ($self) = @_; 2321 my ($self) = @_;
1733 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1734 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1735 2327
1736 $self->unlink_save; 2328 $self->unlink_save;
1737 2329
1738 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1739 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1740 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1741 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1742 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743 2335
1744 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1745 2338
1746 $self->reset; # polite request, might not happen 2339 $self->reset; # polite request, might not happen
2340}
2341
2342=item $maps = cf::map::tmp_maps
2343
2344Returns an arrayref with all map paths of currently instantiated and saved
2345maps. May block.
2346
2347=cut
2348
2349sub tmp_maps() {
2350 [
2351 map {
2352 utf8::decode $_;
2353 /\.map$/
2354 ? normalise $_
2355 : ()
2356 } @{ aio_readdir $TMPDIR or [] }
2357 ]
2358}
2359
2360=item $maps = cf::map::random_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363random maps. May block.
2364
2365=cut
2366
2367sub random_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise "?random/$_"
2373 : ()
2374 } @{ aio_readdir $RANDOMDIR or [] }
2375 ]
1747} 2376}
1748 2377
1749=item cf::map::unique_maps 2378=item cf::map::unique_maps
1750 2379
1751Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1752instantiated unique items. May block. 2381instantiated unique items. May block.
1753 2382
1754=cut 2383=cut
1755 2384
1756sub unique_maps() { 2385sub unique_maps() {
1757 my $files = aio_readdir $UNIQUEDIR 2386 [
1758 or return; 2387 map {
1759
1760 my @paths;
1761
1762 for (@$files) {
1763 utf8::decode $_; 2388 utf8::decode $_;
1764 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1765 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766 2391 ? ()
1767 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1768 } 2394 ]
1769
1770 \@paths
1771} 2395}
1772
1773package cf;
1774 2396
1775=back 2397=back
1776 2398
1777=head3 cf::object 2399=head3 cf::object
1778 2400
1782 2404
1783=over 4 2405=over 4
1784 2406
1785=item $ob->inv_recursive 2407=item $ob->inv_recursive
1786 2408
1787Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1788 2411
1789=cut 2412=cut
1790 2413
1791sub inv_recursive_; 2414sub inv_recursive_;
1792sub inv_recursive_ { 2415sub inv_recursive_ {
1795 2418
1796sub inv_recursive { 2419sub inv_recursive {
1797 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1798} 2421}
1799 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1800package cf; 2451package cf;
1801 2452
1802=back 2453=back
1803 2454
1804=head3 cf::object::player 2455=head3 cf::object::player
1810Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811can be C<undef>. Does the right thing when the player is currently in a 2462can be C<undef>. Does the right thing when the player is currently in a
1812dialogue with the given NPC character. 2463dialogue with the given NPC character.
1813 2464
1814=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1815 2480
1816# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1817# with dialog boxes. 2482# with dialog boxes.
1818#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1819sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1821 2486
1822 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823 2488
1824 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1825 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1826 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1827 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1828 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1829 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1830} 2514}
1831 2515
1832=item $player_object->may ("access") 2516=item $player_object->may ("access")
1833 2517
1834Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1881 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1882 2566
1883 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1884 2568
1885 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1887 2571
1888 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1889} 2573}
1890 2574
1891sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1892 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1893 2579
1894 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1895 2581
1896 unless ($map) { 2582 unless ($map) {
1897 # restore original map position 2583 # restore original map position
1911 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1912 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1913 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1914 2600
1915 $map->load; 2601 $map->load;
1916 $map->load_diag; 2602 $map->load_neighbours;
1917 2603
1918 return unless $self->contr->active; 2604 return unless $self->contr->active;
1919 $self->activate_recursive; 2605 $self->activate_recursive;
1920 2606
1921 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1923} 2609}
1924 2610
1925cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926 on_logout => sub {
1927 my ($pl) = @_;
1928 2612
1929 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1930 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1931 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1932 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1933 }; 2617be called at the end of this process.
1934 }
1935 },
1936 on_login => sub {
1937 my ($pl) = @_;
1938 2618
1939 # try to abort aborted map switching on player login :)
1940 # should happen only on crashes
1941 if ($pl->ob->{_link_pos}) {
1942 $pl->ob->enter_link;
1943 (async {
1944 $pl->ob->reply (undef,
1945 "There was an internal problem at your last logout, "
1946 . "the server will try to bring you to your intended destination in a second.",
1947 cf::NDI_RED);
1948 # we need this sleep as the login has a concurrent enter_exit running
1949 # and this sleep increases chances of the player not ending up in scorn
1950 Coro::Timer::sleep 1;
1951 $pl->ob->leave_link;
1952 })->prio (2);
1953 }
1954 },
1955);
1956
1957=item $player_object->goto ($path, $x, $y)
1958
1959=cut 2619=cut
2620
2621our $GOTOGEN;
1960 2622
1961sub cf::object::player::goto { 2623sub cf::object::player::goto {
1962 my ($self, $path, $x, $y) = @_; 2624 my ($self, $path, $x, $y, $check, $done) = @_;
2625
2626 # do generation counting so two concurrent goto's will be executed in-order
2627 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963 2628
1964 $self->enter_link; 2629 $self->enter_link;
1965 2630
1966 (async { 2631 (async {
2632 $Coro::current->{desc} = "player::goto $path $x $y";
2633
2634 # *tag paths override both path and x|y
2635 if ($path =~ /^\*(.*)$/) {
2636 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2637 my $ob = $obs[rand @obs];
2638
2639 # see if we actually can go there
2640 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2641 $ob = $obs[rand @obs];
2642 } else {
2643 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2644 }
2645 # else put us there anyways for now #d#
2646
2647 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2648 } else {
2649 ($path, $x, $y) = (undef, undef, undef);
2650 }
2651 }
2652
1967 my $map = eval { 2653 my $map = eval {
1968 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
2655
2656 if ($map) {
1969 $map = $map->customise_for ($self) if $map; 2657 $map = $map->customise_for ($self);
2658 $map = $check->($map) if $check && $map;
2659 } else {
2660 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661 }
2662
1970 $map 2663 $map
2664 };
2665
2666 if ($@) {
2667 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2668 LOG llevError | logBacktrace, Carp::longmess $@;
1971 } or 2669 }
1972 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973 2670
2671 if ($gen == $self->{_goto_generation}) {
2672 delete $self->{_goto_generation};
1974 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
2674 }
2675
2676 $done->() if $done;
1975 })->prio (1); 2677 })->prio (1);
1976} 2678}
1977 2679
1978=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
1979 2681
1999} 2701}
2000 2702
2001sub prepare_random_map { 2703sub prepare_random_map {
2002 my ($exit) = @_; 2704 my ($exit) = @_;
2003 2705
2004 my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
2007 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
2008 # that depends on the exit object 2708 # that depends on the exit object
2009 2709
2010 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
2012 if ($exit->map) { 2712 if ($exit->map) {
2013 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
2014 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
2015 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
2016 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
2017 } 2719 }
2018 2720
2019 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
2020 2722
2021 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
2023 my $meta = "$RANDOMDIR/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
2024 2726
2025 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
2027 undef $fh; 2729 undef $fh;
2028 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
2029 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
2030 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
2031 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
2032 } 2738 }
2033} 2739}
2034 2740
2035sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
2036 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
2037 2743
2038 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
2039 2745
2040 if ($exit->slaying eq "/!") {
2041 #TODO: this should de-fi-ni-te-ly not be a sync-job
2042 # the problem is that $exit might not survive long enough
2043 # so it needs to be done right now, right here
2044 cf::sync_job { prepare_random_map $exit };
2045 }
2046
2047 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048 my $hp = $exit->stats->hp;
2049 my $sp = $exit->stats->sp;
2050
2051 $self->enter_link; 2746 $self->enter_link;
2052 2747
2053 (async { 2748 (async {
2054 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
2055 unless (eval { 2751 unless (eval {
2752 $self->deactivate_recursive; # just to be sure
2753
2754 # random map handling
2755 {
2756 my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758 prepare_random_map $exit
2759 if $exit->slaying eq "/!";
2760 }
2761
2762 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2763 my $x = $exit->stats->hp;
2764 my $y = $exit->stats->sp;
2765
2056 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
2057 2767
2768 # if exit is damned, update players death & WoR home-position
2769 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED);
2771
2058 1; 2772 1
2059 }) { 2773 }) {
2060 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
2061 . "I'll try to bring you back to the map you were before. " 2775 . "I'll try to bring you back to the map you were before. "
2062 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
2063 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
2084 2798
2085 utf8::encode $text; 2799 utf8::encode $text;
2086 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2800 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087} 2801}
2088 2802
2803=item $client->send_msg ($channel, $msg, $color, [extra...])
2804
2805Send a drawinfo or msg packet to the client, formatting the msg for the
2806client if neccessary. C<$type> should be a string identifying the type of
2807the message, with C<log> being the default. If C<$color> is negative, suppress
2808the message unless the client supports the msg packet.
2809
2810=cut
2811
2812# non-persistent channels (usually the info channel)
2813our %CHANNEL = (
2814 "c/identify" => {
2815 id => "infobox",
2816 title => "Identify",
2817 reply => undef,
2818 tooltip => "Items recently identified",
2819 },
2820 "c/examine" => {
2821 id => "infobox",
2822 title => "Examine",
2823 reply => undef,
2824 tooltip => "Signs and other items you examined",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/uptime" => {
2851 id => "infobox",
2852 title => "Uptime",
2853 reply => undef,
2854 tooltip => "How long the server has been running since last restart",
2855 },
2856 "c/mapinfo" => {
2857 id => "infobox",
2858 title => "Map Info",
2859 reply => undef,
2860 tooltip => "Information related to the maps",
2861 },
2862 "c/party" => {
2863 id => "party",
2864 title => "Party",
2865 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party",
2867 },
2868);
2869
2870sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_;
2872
2873 $msg = $self->pl->expand_cfpod ($msg);
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel)
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id};
2885
2886 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel)
2891 if $self->can_msg;
2892 }
2893
2894 $channel = $channel->{id};
2895 }
2896
2897 return unless @extra || length $msg;
2898
2899 if ($self->can_msg) {
2900 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF;
2903
2904 $self->send_packet ("msg " . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2906 } else {
2907 if ($color >= 0) {
2908 # replace some tags by gcfclient-compatible ones
2909 for ($msg) {
2910 1 while
2911 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916 }
2917
2918 $color &= cf::NDI_COLOR_MASK;
2919
2920 utf8::encode $msg;
2921
2922 if (0 && $msg =~ /\[/) {
2923 # COMMAND/INFO
2924 $self->send_packet ("drawextinfo $color 10 8 $msg")
2925 } else {
2926 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927 $self->send_packet ("drawinfo $color $msg")
2928 }
2929 }
2930 }
2931}
2932
2089=item $client->ext_event ($type, %msg) 2933=item $client->ext_msg ($type, @msg)
2090 2934
2091Sends an exti event to the client. 2935Sends an ext event to the client.
2092 2936
2093=cut 2937=cut
2094 2938
2095sub cf::client::ext_event($$%) { 2939sub cf::client::ext_msg($$@) {
2096 my ($self, $type, %msg) = @_; 2940 my ($self, $type, @msg) = @_;
2097 2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2098 $msg{msgtype} = "event_$type"; 2945 push @msg, msgtype => "event_$type";
2099 $self->send_packet ("ext " . cf::to_json \%msg); 2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2948}
2949
2950=item $client->ext_reply ($msgid, @msg)
2951
2952Sends an ext reply to the client.
2953
2954=cut
2955
2956sub cf::client::ext_reply($$@) {
2957 my ($self, $id, @msg) = @_;
2958
2959 if ($self->extcmd == 2) {
2960 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961 } elsif ($self->extcmd == 1) {
2962 #TODO: version 1, remove
2963 unshift @msg, msgtype => "reply", msgid => $id;
2964 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965 }
2100} 2966}
2101 2967
2102=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
2103 2969
2104Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
2105the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2971the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2972C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107 2973
2108Queries can fail, so check the return code. Or don't, as queries will become 2974Queries can fail, so check the return code. Or don't, as queries will
2109reliable at some point in the future. 2975become reliable at some point in the future.
2110 2976
2111=cut 2977=cut
2112 2978
2113sub cf::client::query { 2979sub cf::client::query {
2114 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2122 utf8::encode $text; 2988 utf8::encode $text;
2123 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124 2990
2125 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2126 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2127} 2995}
2128 2996
2129cf::client->attach ( 2997cf::client->attach (
2998 on_connect => sub {
2999 my ($ns) = @_;
3000
3001 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3002 },
2130 on_reply => sub { 3003 on_reply => sub {
2131 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2132 3005
2133 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2134 # get handled first 3007 # get handled first
2146 } else { 3019 } else {
2147 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148 } 3021 }
2149 } 3022 }
2150 }, 3023 },
3024 on_exticmd => sub {
3025 my ($ns, $buf) = @_;
3026
3027 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028
3029 if (ref $msg) {
3030 my ($type, $reply, @payload) =
3031 "ARRAY" eq ref $msg
3032 ? @$msg
3033 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034
3035 my @reply;
3036
3037 if (my $cb = $EXTICMD{$type}) {
3038 @reply = $cb->($ns, @payload);
3039 }
3040
3041 $ns->ext_reply ($reply, @reply)
3042 if $reply;
3043
3044 } else {
3045 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046 }
3047
3048 cf::override;
3049 },
2151); 3050);
2152 3051
2153=item $client->async (\&cb) 3052=item $client->async (\&cb)
2154 3053
2155Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2196our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2197our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2198 3097
2199$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2200 3099
2201$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3100$safe->permit_only (Opcode::opset qw(
3101 :base_core :base_mem :base_orig :base_math
3102 grepstart grepwhile mapstart mapwhile
3103 sort time
3104));
2202 3105
2203# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2204 3107
2205=pod 3108=pod
2206 3109
2207The following functions and methods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2208 3111
2209 cf::object contr pay_amount pay_player map 3112 cf::object
3113 contr pay_amount pay_player map x y force_find force_add destroy
3114 insert remove name archname title slaying race decrease split
3115
2210 cf::object::player player 3116 cf::object::player
2211 cf::player peaceful 3117 player
2212 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2213 3124
2214=cut 3125=cut
2215 3126
2216for ( 3127for (
2217 ["cf::object" => qw(contr pay_amount pay_player map)], 3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)],
2218 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2219 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2220 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2221) { 3134) {
2222 no strict 'refs'; 3135 no strict 'refs';
2293=back 3206=back
2294 3207
2295=cut 3208=cut
2296 3209
2297############################################################################# 3210#############################################################################
2298
2299=head2 EXTENSION DATABASE SUPPORT
2300
2301Crossfire maintains a very simple database for extension use. It can
2302currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303convert to/from binary).
2304
2305The parameter C<$family> should best start with the name of the extension
2306using it, it should be unique.
2307
2308=over 4
2309
2310=item $value = cf::db_get $family => $key
2311
2312Returns a single value from the database.
2313
2314=item cf::db_put $family => $key => $value
2315
2316Stores the given C<$value> in the family.
2317
2318=cut
2319
2320our $DB;
2321
2322sub db_init {
2323 unless ($DB) {
2324 $DB = BDB::db_create $DB_ENV;
2325
2326 cf::sync_job {
2327 eval {
2328 $DB->set_flags (BDB::CHKSUM);
2329
2330 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332 cf::cleanup "db_open(db): $!" if $!;
2333 };
2334 cf::cleanup "db_open(db): $@" if $@;
2335 };
2336 }
2337}
2338
2339sub db_get($$) {
2340 my $key = "$_[0]/$_[1]";
2341
2342 cf::sync_job {
2343 BDB::db_get $DB, undef, $key, my $data;
2344
2345 $! ? ()
2346 : $data
2347 }
2348}
2349
2350sub db_put($$$) {
2351 BDB::dbreq_pri 4;
2352 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353}
2354
2355=item cf::cache $id => [$paths...], $processversion => $process
2356
2357Generic caching function that returns the value of the resource $id,
2358caching and regenerating as required.
2359
2360This function can block.
2361
2362=cut
2363
2364sub cache {
2365 my ($id, $src, $processversion, $process) = @_;
2366
2367 my $meta =
2368 join "\x00",
2369 $processversion,
2370 map {
2371 aio_stat $_
2372 and Carp::croak "$_: $!";
2373
2374 ($_, (stat _)[7,9])
2375 } @$src;
2376
2377 my $dbmeta = db_get cache => "$id/meta";
2378 if ($dbmeta ne $meta) {
2379 # changed, we may need to process
2380
2381 my @data;
2382 my $md5;
2383
2384 for (0 .. $#$src) {
2385 0 <= aio_load $src->[$_], $data[$_]
2386 or Carp::croak "$src->[$_]: $!";
2387 }
2388
2389 # if processing is expensive, check
2390 # checksum first
2391 if (1) {
2392 $md5 =
2393 join "\x00",
2394 $processversion,
2395 map {
2396 Coro::cede;
2397 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2398 } 0.. $#$src;
2399
2400
2401 my $dbmd5 = db_get cache => "$id/md5";
2402 if ($dbmd5 eq $md5) {
2403 db_put cache => "$id/meta", $meta;
2404
2405 return db_get cache => "$id/data";
2406 }
2407 }
2408
2409 my $t1 = Time::HiRes::time;
2410 my $data = $process->(\@data);
2411 my $t2 = Time::HiRes::time;
2412
2413 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415 db_put cache => "$id/data", $data;
2416 db_put cache => "$id/md5" , $md5;
2417 db_put cache => "$id/meta", $meta;
2418
2419 return $data;
2420 }
2421
2422 db_get cache => "$id/data"
2423}
2424
2425=item fork_call { }, $args
2426
2427Executes the given code block with the given arguments in a seperate
2428process, returning the results. Everything must be serialisable with
2429Coro::Storable. May, of course, block. Note that the executed sub may
2430never block itself or use any form of Event handling.
2431
2432=cut
2433
2434sub fork_call(&@) {
2435 my ($cb, @args) = @_;
2436
2437# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438# or die "socketpair: $!";
2439 pipe my $fh1, my $fh2
2440 or die "pipe: $!";
2441
2442 if (my $pid = fork) {
2443 close $fh2;
2444
2445 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446 $res = Coro::Storable::thaw $res;
2447
2448 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450 die $$res unless "ARRAY" eq ref $res;
2451
2452 return wantarray ? @$res : $res->[-1];
2453 } else {
2454 reset_signals;
2455 local $SIG{__WARN__};
2456 local $SIG{__DIE__};
2457 eval {
2458 close $fh1;
2459
2460 my @res = eval { $cb->(@args) };
2461 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462 };
2463
2464 warn $@ if $@;
2465 _exit 0;
2466 }
2467}
2468
2469
2470
2471#############################################################################
2472# the server's init and main functions 3211# the server's init and main functions
2473 3212
2474sub load_facedata($) { 3213sub load_facedata($) {
2475 my ($path) = @_; 3214 my ($path) = @_;
3215
3216 # HACK to clear player env face cache, we need some signal framework
3217 # for this (global event?)
3218 %ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476 3221
2477 warn "loading facedata from $path\n"; 3222 warn "loading facedata from $path\n";
2478 3223
2479 my $facedata; 3224 my $facedata;
2480 0 < aio_load $path, $facedata 3225 0 < aio_load $path, $facedata
2483 $facedata = Coro::Storable::thaw $facedata; 3228 $facedata = Coro::Storable::thaw $facedata;
2484 3229
2485 $facedata->{version} == 2 3230 $facedata->{version} == 2
2486 or cf::cleanup "$path: version mismatch, cannot proceed."; 3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
2487 3232
3233 # patch in the exptable
3234 $facedata->{resource}{"res/exp_table"} = {
3235 type => FT_RSRC,
3236 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237 };
3238 cf::cede_to_tick;
3239
2488 { 3240 {
2489 my $faces = $facedata->{faceinfo}; 3241 my $faces = $facedata->{faceinfo};
2490 3242
2491 while (my ($face, $info) = each %$faces) { 3243 while (my ($face, $info) = each %$faces) {
2492 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
2493 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
2494 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496 Coro::cede; 3250
3251 cf::cede_to_tick;
2497 } 3252 }
2498 3253
2499 while (my ($face, $info) = each %$faces) { 3254 while (my ($face, $info) = each %$faces) {
2500 next unless $info->{smooth}; 3255 next unless $info->{smooth};
3256
2501 my $idx = cf::face::find $face 3257 my $idx = cf::face::find $face
2502 or next; 3258 or next;
3259
2503 if (my $smooth = cf::face::find $info->{smooth}) { 3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
2504 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505 } else { 3263 } else {
2506 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
2507 } 3265 }
2508 Coro::cede; 3266
3267 cf::cede_to_tick;
2509 } 3268 }
2510 } 3269 }
2511 3270
2512 { 3271 {
2513 my $anims = $facedata->{animinfo}; 3272 my $anims = $facedata->{animinfo};
2514 3273
2515 while (my ($anim, $info) = each %$anims) { 3274 while (my ($anim, $info) = each %$anims) {
2516 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
2517 Coro::cede; 3276 cf::cede_to_tick;
2518 } 3277 }
2519 3278
2520 cf::anim::invalidate_all; # d'oh 3279 cf::anim::invalidate_all; # d'oh
2521 } 3280 }
2522 3281
3282 {
3283 # TODO: for gcfclient pleasure, we should give resources
3284 # that gcfclient doesn't grok a >10000 face index.
3285 my $res = $facedata->{resource};
3286
3287 while (my ($name, $info) = each %$res) {
3288 if (defined $info->{type}) {
3289 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290 my $data;
3291
3292 if ($info->{type} & 1) {
3293 # prepend meta info
3294
3295 my $meta = $enc->encode ({
3296 name => $name,
3297 %{ $info->{meta} || {} },
3298 });
3299
3300 $data = pack "(w/a*)*", $meta, $info->{data};
3301 } else {
3302 $data = $info->{data};
3303 }
3304
3305 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306 cf::face::set_type $idx, $info->{type};
3307 } else {
3308 $RESOURCE{$name} = $info;
3309 }
3310
3311 cf::cede_to_tick;
3312 }
3313 }
3314
3315 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316
2523 1 3317 1
2524} 3318}
2525 3319
3320cf::global->attach (on_resource_update => sub {
3321 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325 my $sound = $soundconf->{compat}[$_]
3326 or next;
3327
3328 my $face = cf::face::find "sound/$sound->[1]";
3329 cf::sound::set $sound->[0] => $face;
3330 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331 }
3332
3333 while (my ($k, $v) = each %{$soundconf->{event}}) {
3334 my $face = cf::face::find "sound/$v";
3335 cf::sound::set $k => $face;
3336 }
3337 }
3338});
3339
3340register_exticmd fx_want => sub {
3341 my ($ns, $want) = @_;
3342
3343 while (my ($k, $v) = each %$want) {
3344 $ns->fx_want ($k, $v);
3345 }
3346};
3347
3348sub load_resource_file($) {
3349 my $guard = lock_acquire "load_resource_file";
3350
3351 my $status = load_resource_file_ $_[0];
3352 get_slot 0.1, 100;
3353 cf::arch::commit_load;
3354
3355 $status
3356}
3357
2526sub reload_regions { 3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
2527 load_resource_file "$MAPDIR/regions" 3363 load_resource_file "$MAPDIR/regions"
2528 or die "unable to load regions file\n"; 3364 or die "unable to load regions file\n";
3365
3366 for (cf::region::list) {
3367 $_->{match} = qr/$_->{match}/
3368 if exists $_->{match};
3369 }
2529} 3370}
2530 3371
2531sub reload_facedata { 3372sub reload_facedata {
2532 load_facedata "$DATADIR/facedata" 3373 load_facedata "$DATADIR/facedata"
2533 or die "unable to load facedata\n"; 3374 or die "unable to load facedata\n";
2544} 3385}
2545 3386
2546sub reload_resources { 3387sub reload_resources {
2547 warn "reloading resource files...\n"; 3388 warn "reloading resource files...\n";
2548 3389
2549 reload_regions;
2550 reload_facedata; 3390 reload_facedata;
2551 reload_archetypes; 3391 reload_archetypes;
3392 reload_regions;
2552 reload_treasures; 3393 reload_treasures;
2553 3394
2554 warn "finished reloading resource files\n"; 3395 warn "finished reloading resource files\n";
2555} 3396}
2556 3397
2557sub init { 3398sub init {
3399 my $guard = freeze_mainloop;
3400
3401 evthread_start IO::AIO::poll_fileno;
3402
2558 reload_resources; 3403 reload_resources;
2559} 3404}
2560 3405
2561sub cfg_load { 3406sub reload_config {
2562 open my $fh, "<:utf8", "$CONFDIR/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2563 or return; 3408 or return;
2564 3409
2565 local $/; 3410 local $/;
2566 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2567 3412
2568 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569 3414
2570 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2582sub main { 3427sub main {
2583 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2584 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2585 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586 (async { 3431 (async {
2587 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2588 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2589 }; 3435 };
2590 3436
2591 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2592 db_init; 3440 db_init;
2593 load_extensions; 3441 load_extensions;
2594 3442
2595 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2596 Event::loop; 3446 EV::loop;
2597} 3447}
2598 3448
2599############################################################################# 3449#############################################################################
2600# initialisation and cleanup 3450# initialisation and cleanup
2601 3451
2602# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2603BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2604 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2605 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 signal => $signal,
2609 prio => 0,
2610 cb => sub {
2611 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2612 },
2613 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2614 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2615} 3541}
2616 3542
2617sub emergency_save() { 3543sub emergency_save() {
2618 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2619 3545
2625 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2626 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2627 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2628 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2629 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630 $pl->save; 3557 $pl->save;
2631 } 3558 }
2632 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2633 3560
2634 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2640 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2641 3568
2642 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2643 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2644 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2645 }; 3576 };
2646 3577
2647 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2648} 3579}
2649 3580
2664 warn "reloading..."; 3595 warn "reloading...";
2665 3596
2666 warn "entering sync_job"; 3597 warn "entering sync_job";
2667 3598
2668 cf::sync_job { 3599 cf::sync_job {
2669 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2670 cf::emergency_save; 3601 cf::emergency_save;
2671 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2672 3603
2673 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2674 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2675 3606
2676 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2677
2678 warn "cancelling all WF_AUTOCANCEL watchers";
2679 for (Event::all_watchers) {
2680 $_->cancel if $_->data & WF_AUTOCANCEL;
2681 }
2682 3608
2683 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2684 for (;;) { 3610 for (;;) {
2685 BDB::flush; 3611 BDB::flush;
2686 IO::AIO::flush; 3612 IO::AIO::flush;
2687 Coro::cede; 3613 Coro::cede_notself;
2688 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2689 warn "iterate..."; 3615 warn "iterate...";
2690 } 3616 }
2691 3617
2692 ++$RELOAD; 3618 ++$RELOAD;
2696 %EXT_CORO = (); 3622 %EXT_CORO = ();
2697 3623
2698 warn "removing commands"; 3624 warn "removing commands";
2699 %COMMAND = (); 3625 %COMMAND = ();
2700 3626
2701 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2702 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2703 3630
2704 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2705 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2706 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2707 3634
2750 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2751 require cf; 3678 require cf;
2752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753 3680
2754 warn "loading config and database again"; 3681 warn "loading config and database again";
2755 cf::cfg_load; 3682 cf::reload_config;
2756 3683
2757 warn "loading extensions"; 3684 warn "loading extensions";
2758 cf::load_extensions; 3685 cf::load_extensions;
2759 3686
2760 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2767 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2768 3695
2769 1 3696 1
2770 } or do { 3697 } or do {
2771 warn $@; 3698 warn $@;
2772 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2773 exit 1;
2774 }; 3700 };
2775 3701
2776 warn "reloaded"; 3702 warn "reloaded";
2777}; 3703};
2778 3704
2780 3706
2781sub reload_perl() { 3707sub reload_perl() {
2782 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
2783 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
2784 3710
2785 $RELOAD_WATCHER ||= Event->timer ( 3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786 reentrant => 0,
2787 after => 0,
2788 data => WF_AUTOCANCEL,
2789 cb => sub {
2790 do_reload_perl; 3712 do_reload_perl;
2791 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
2792 },
2793 ); 3714 };
2794} 3715}
2795 3716
2796register_command "reload" => sub { 3717register_command "reload" => sub {
2797 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2798 3719
2799 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2800 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
3722 async {
3723 $Coro::current->{desc} = "perl_reload";
2801 async { reload_perl }; 3724 reload_perl;
3725 };
2802 } 3726 }
2803}; 3727};
2804 3728
2805unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2806 3730
2808 3732
2809our @WAIT_FOR_TICK; 3733our @WAIT_FOR_TICK;
2810our @WAIT_FOR_TICK_BEGIN; 3734our @WAIT_FOR_TICK_BEGIN;
2811 3735
2812sub wait_for_tick { 3736sub wait_for_tick {
2813 return unless $TICK_WATCHER->is_active;
2814 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2815 3738
2816 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
2817 push @WAIT_FOR_TICK, $signal; 3740 push @WAIT_FOR_TICK, $signal;
2818 $signal->wait; 3741 $signal->wait;
2819} 3742}
2820 3743
2821sub wait_for_tick_begin { 3744sub wait_for_tick_begin {
2822 return unless $TICK_WATCHER->is_active;
2823 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2824 3746
2825 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2826 push @WAIT_FOR_TICK_BEGIN, $signal; 3748 push @WAIT_FOR_TICK_BEGIN, $signal;
2827 $signal->wait; 3749 $signal->wait;
2828} 3750}
2829 3751
2830$TICK_WATCHER = Event->timer ( 3752sub tick {
2831 reentrant => 0,
2832 parked => 1,
2833 prio => 0,
2834 at => $NEXT_TICK || $TICK,
2835 data => WF_AUTOCANCEL,
2836 cb => sub {
2837 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2838 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2840 return; 3756 return;
2841 } 3757 }
2842 3758
2843 $NOW = Event::time;
2844
2845 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2846 3760
2847 $RUNTIME += $TICK;
2848 $NEXT_TICK += $TICK;
2849
2850 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851 $NEXT_RUNTIME_WRITE = $NOW + 10; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852 Coro::async_pool { 3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
2853 write_runtime 3765 write_runtime_sync
2854 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
2855 };
2856 } 3767 };
3768 }
2857 3769
2858# my $AFTER = Event::time;
2859# warn $AFTER - $NOW;#d#
2860
2861 # if we are delayed by four ticks or more, skip them all
2862 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864 $TICK_WATCHER->at ($NEXT_TICK);
2865 $TICK_WATCHER->start;
2866
2867 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868 $sig->send; 3771 $sig->send;
2869 } 3772 }
2870 while (my $sig = shift @WAIT_FOR_TICK) { 3773 while (my $sig = shift @WAIT_FOR_TICK) {
2871 $sig->send; 3774 $sig->send;
2872 }
2873
2874 _post_tick;
2875 }, 3775 }
2876); 3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
2877 3788
2878{ 3789{
2879 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2880 $BDB_POLL_WATCHER = Event->io ( 3791
2881 reentrant => 0,
2882 fd => BDB::poll_fileno,
2883 poll => 'r',
2884 prio => 0,
2885 data => WF_AUTOCANCEL,
2886 cb => \&BDB::poll_cb,
2887 );
2888 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2889 3793 BDB::max_poll_reqs $TICK * 0.1;
2890 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2891 my $status;
2892 my $current = $Coro::current;
2893 (
2894 sub {
2895 $status = $!;
2896 $current->ready; undef $current;
2897 },
2898 sub {
2899 Coro::schedule while defined $current;
2900 $! = $status;
2901 },
2902 )
2903 };
2904 3795
2905 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2906 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907 3802
2908 cf::sync_job { 3803 cf::sync_job {
2909 eval { 3804 eval {
2910 BDB::db_env_open 3805 BDB::db_env_open
2911 $DB_ENV, 3806 $DB_ENV,
2913 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915 0666; 3810 0666;
2916 3811
2917 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920 $DB_ENV->set_lk_detect;
2921 }; 3813 };
2922 3814
2923 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2924 }; 3816 };
2925 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2926} 3828}
2927 3829
2928{ 3830{
3831 # configure IO::AIO
3832
2929 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2930
2931 undef $Coro::AIO::WATCHER;
2932 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2933 $AIO_POLL_WATCHER = Event->io ( 3835 undef $AnyEvent::AIO::WATCHER;
2934 reentrant => 0,
2935 data => WF_AUTOCANCEL,
2936 fd => IO::AIO::poll_fileno,
2937 poll => 'r',
2938 prio => 6,
2939 cb => \&IO::AIO::poll_cb,
2940 );
2941} 3836}
2942 3837
2943my $_log_backtrace; 3838my $_log_backtrace;
2944 3839
2945sub _log_backtrace { 3840sub _log_backtrace {
2949 3844
2950 # limit the # of concurrent backtraces 3845 # limit the # of concurrent backtraces
2951 if ($_log_backtrace < 2) { 3846 if ($_log_backtrace < 2) {
2952 ++$_log_backtrace; 3847 ++$_log_backtrace;
2953 async { 3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
2954 my @bt = fork_call { 3851 my @bt = fork_call {
2955 @addr = map { sprintf "%x", $_ } @addr; 3852 @addr = map { sprintf "%x", $_ } @addr;
2956 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958 or die "addr2line: $!"; 3855 or die "addr2line: $!";

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