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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.433 by root, Sat May 10 22:38:52 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::EV;
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 {
161 my $msg = join "", @_; 207 my $msg = join "", @_;
162 208
163 $msg .= "\n" 209 $msg .= "\n"
164 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
165 211
166 $msg =~ s/([\x00-\x09\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 $guard = cf::lock_acquire "write_runtime";
373 534
374 my $runtime = "$LOCALDIR/runtime"; 535Executes the given code block with the given arguments in a seperate
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.
375 539
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 540=cut
377 or return;
378 541
379 my $value = $cf::RUNTIME + 90 + 10; 542sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 543 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 544
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 545 # we seemingly have to make a local copy of the whole thing,
384 and return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
385 548
386 # always fsync - this file is important 549 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 550 reset_signals;
388 and return; 551 &$cb
552 }, @args;
389 553
390 close $fh 554 wantarray ? @res : $res[-1]
391 or return; 555}
392 556
393 aio_rename "$runtime~", $runtime 557=item $coin = coin_from_name $name
394 and return;
395 558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
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 $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
396 1 633 }
634}
635
636sub db_put($$$) {
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"
397} 709}
398 710
399=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
400 712
401Log 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.
419attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
421 733
422In 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>
423C<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
424crossfire+). 736Deliantra).
425 737
426=over 4 738=over 4
427 739
428=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
429 741
592 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
593 905
594 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 910
599 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 912 my $pkg = shift @arg;
601 913
602 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
632 } 944 }
633 945
634 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
635 } else { 947 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 949 }
638 950
639 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
640} 952}
641 953
643 if (ref $_[0]) { 955 if (ref $_[0]) {
644 _object_attach @_; 956 _object_attach @_;
645 } else { 957 } else {
646 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
647 } 959 }
960 _recalc_want;
648}; 961};
649 962
650# all those should be optimised 963# all those should be optimised
651sub cf::attachable::detach { 964sub cf::attachable::detach {
652 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
656 reattach ($obj); 969 reattach ($obj);
657 } else { 970 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
659 } 972 }
973 _recalc_want;
660}; 974};
661 975
662sub cf::attachable::attached { 976sub cf::attachable::attached {
663 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
664 978
679 "; 993 ";
680 die if $@; 994 die if $@;
681} 995}
682 996
683our $override; 997our $override;
684our @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?
685 999
686sub override { 1000sub override {
687 $override = 1; 1001 $override = 1;
688 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
689} 1003}
690 1004
691sub do_invoke { 1005sub do_invoke {
692 my $event = shift; 1006 my $event = shift;
693 my $callbacks = shift; 1007 my $callbacks = shift;
694 1008
695 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
696 1010
697 local $override; 1011 local $override;
698 1012
699 for (@$callbacks) { 1013 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
709 } 1023 }
710 1024
711 0 1025 0
712} 1026}
713 1027
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1029
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1031
718Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
719 1033
720This 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
721removed 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
722results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1037
724=back 1038=back
725 1039
726=cut 1040=cut
727 1041
728############################################################################# 1042#############################################################################
729# 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, $ob2
1085}
730 1086
731sub reattach { 1087sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1089 my ($obj) = @_;
734 1090
755cf::attachable->attach ( 1111cf::attachable->attach (
756 prio => -1000000, 1112 prio => -1000000,
757 on_instantiate => sub { 1113 on_instantiate => sub {
758 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
759 1115
760 $data = from_json $data; 1116 $data = decode_json $data;
761 1117
762 for (@$data) { 1118 for (@$data) {
763 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
764 1120
765 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1137sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
783 1139
784 sync_job { 1140 sync_job {
785 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
788 1145
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1150 aio_close $fh;
794 1151
795 if (@$objs) { 1152 if (@$objs) {
796 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) {
797 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1158 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
803 } 1160 }
804 } else { 1161 } else {
805 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
806 } 1163 }
811 } 1168 }
812 } else { 1169 } else {
813 aio_unlink $filename; 1170 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
815 } 1172 }
816 } 1173 };
817} 1174}
818 1175
819sub object_freezer_as_string { 1176sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
821 1178
833 or return; 1190 or return;
834 1191
835 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
837 or return; 1194 or return;
1195
838 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
839 } 1198 }
840 1199
1200 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
843 return ($data, $av); 1204 ($data, $av)
844} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
845 1212
846############################################################################# 1213#############################################################################
847# command handling &c 1214# command handling &c
848 1215
849=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1230}
864 1231
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1233
867Register 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.
868 1239
869If 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
870called. 1241called.
871 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
872=cut 1254=cut
873 1255
874sub register_extcmd { 1256sub register_extcmd {
875 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
876 1258
877 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
878} 1266}
879 1267
880cf::player->attach ( 1268cf::player->attach (
881 on_command => sub { 1269 on_command => sub {
882 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
891 cf::override; 1279 cf::override;
892 }, 1280 },
893 on_extcmd => sub { 1281 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
895 1283
896 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1285
898 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
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
904 } else { 1301 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1303 }
907 1304
908 cf::override; 1305 cf::override;
909 }, 1306 },
910); 1307);
911 1308
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
947 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1314 next unless -r $path;
949 eval { 1315
950 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 $progress = 1;
951 1 1372 }
952 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
953 } 1378 };
954} 1379}
955 1380
956############################################################################# 1381#############################################################################
957 1382
1383=back
1384
958=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
959 1386
960Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
961 1388
962=cut 1389=cut
966use Coro::AIO; 1393use Coro::AIO;
967 1394
968=head3 cf::player 1395=head3 cf::player
969 1396
970=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}
971 1412
972=item cf::player::find $login 1413=item cf::player::find $login
973 1414
974Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
975 1416
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1456
1016 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1017 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;
1018 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1019 } 1466 }
1020 } 1467 }
1021} 1468}
1022 1469
1031 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1032 1479
1033 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1035 1482
1483 cf::get_slot 0.01;
1484
1036 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1037 Coro::cede; 1486 cf::cede_to_tick;
1038} 1487}
1039 1488
1040sub new($) { 1489sub new($) {
1041 my ($login) = @_; 1490 my ($login) = @_;
1042 1491
1048 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1049 1498
1050 $self 1499 $self
1051} 1500}
1052 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
1053=item $pl->quit_character 1512=item $pl->quit_character
1054 1513
1055Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1057 1516
1065 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1066 $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
1067 1526
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1072 1533
1073 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1110 or return []; 1571 or return [];
1111 1572
1112 my @logins; 1573 my @logins;
1113 1574
1114 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") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1118 1585
1119 utf8::decode $login; 1586 utf8::decode $login;
1120 push @logins, $login; 1587 push @logins, $login;
1121 } 1588 }
1122 1589
1149 } 1616 }
1150 1617
1151 \@paths 1618 \@paths
1152} 1619}
1153 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
1154=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1155 1715
1156Sends an ext reply to the player. 1716Sends an ext reply to the player.
1157 1717
1158=cut 1718=cut
1159 1719
1160sub ext_reply($$%) { 1720sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1162 1722
1163 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1724}
1167 1725
1168=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1169 1727
1170Sends an ext event to the client. 1728Sends an ext event to the client.
1171 1729
1172=cut 1730=cut
1173 1731
1174sub ext_event($$%) { 1732sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1176 1734
1177 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1178} 1736}
1179 1737
1180=head3 cf::region 1738=head3 cf::region
1181 1739
1182=over 4 1740=over 4
1185 1743
1186package cf::region; 1744package cf::region;
1187 1745
1188=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1189 1747
1190Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1191 1749
1192=cut 1750=cut
1193 1751
1194sub find_by_path($) { 1752sub find_by_path($) {
1195 my ($path) = @_; 1753 my ($path) = @_;
1196 1754
1197 my ($match, $specificity); 1755 my ($match, $specificity);
1198 1756
1199 for my $region (list) { 1757 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1203 } 1761 }
1204 } 1762 }
1205 1763
1226our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1228 1786
1229sub generate_random_map { 1787sub generate_random_map {
1230 my ($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
1231 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1793 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1269 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1270 1831
1271 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1272 local $self->{path}; 1833 local $self->{path};
1273 local $self->{load_path}; 1834 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1835
1277 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1278} 1837}
1279 1838
1280sub normalise { 1839sub normalise {
1327 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1328 return $self; 1887 return $self;
1329 } 1888 }
1330 } 1889 }
1331 1890
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1892 ()
1334} 1893}
1335 1894
1336sub init { 1895sub init {
1337 my ($self) = @_; 1896 my ($self) = @_;
1352 1911
1353# the original (read-only) location 1912# the original (read-only) location
1354sub load_path { 1913sub load_path {
1355 my ($self) = @_; 1914 my ($self) = @_;
1356 1915
1357 "$MAPDIR($self->{path}" 1916 "$MAPDIR/$self->{path}.map"
1358} 1917}
1359 1918
1360# the temporary/swap location 1919# the temporary/swap location
1361sub save_path { 1920sub save_path {
1362 my ($self) = @_; 1921 my ($self) = @_;
1363 1922
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path" 1924 "$TMPDIR/$path.map"
1366} 1925}
1367 1926
1368# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1369sub uniq_path { 1928sub uniq_path {
1370 my ($self) = @_; 1929 my ($self) = @_;
1371 1930
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1374} 1933}
1375 1934
1376# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1377# all maps in C++... 1936# all maps in C++...
1380 1939
1381 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1383} 1942}
1384 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1385sub unlink_save { 1952sub unlink_save {
1386 my ($self) = @_; 1953 my ($self) = @_;
1387 1954
1388 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1959
1393sub load_header_from($) { 1960sub load_header_from($) {
1394 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1395 1962
1396 utf8::encode $path; 1963 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 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;
1402 1972
1403 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1404 1974
1405 1 1975 1
1406} 1976}
1445 $self->load_header_orig 2015 $self->load_header_orig
1446 or return; 2016 or return;
1447 $self->prepare_orig; 2017 $self->prepare_orig;
1448 } 2018 }
1449 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2024 unless $self->default_region;
1452 2025
1453 1 2026 1
1454} 2027}
1457sub find { 2030sub find {
1458 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1459 2032
1460 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1461 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1463 2037
1464 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1466 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1467 or return; 2043 or return;
1468 2044
1469 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1470 2046
1471 $map->load_header 2047 $map->load_header
1472 or return; 2048 or return;
1473 2049
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1477 $map->reset; 2055 $map->reset;
1478 undef $guard;
1479 return find $path; 2056 return find $path;
1480 } 2057 }
1481 2058
1482 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1483 } 2060 }
1490 my ($self) = @_; 2067 my ($self) = @_;
1491 2068
1492 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1493 2070
1494 my $path = $self->{path}; 2071 my $path = $self->{path};
2072
2073 {
1495 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1496 2075
2076 return unless $self->valid;
1497 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1498 2078
1499 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1500 2080
1501 $self->alloc; 2081 $self->alloc;
1502 2082
1503 $self->pre_load; 2083 $self->pre_load;
1504 Coro::cede; 2084 cf::cede_to_tick;
1505 2085
1506 $self->_load_objects ($self->{load_path}, 1) 2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
2088 $self->_load_objects ($f)
1507 or return; 2089 or return;
1508 2090
1509 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1511 2093
1512 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1513 utf8::encode $uniq; 2095 utf8::encode $uniq;
1514 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1515 $self->clear_unique_items; 2098 $self->clear_unique_items;
1516 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1517 } 2102 }
1518 } 2103 }
1519 2104
1520 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1521 # now do the right thing for maps 2108 # now do the right thing for maps
1522 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1523 Coro::cede;
1524
1525 unless ($self->{deny_activate}) {
1526 $self->decay_objects;
1527 $self->fix_auto_apply;
1528 $self->update_buttons;
1529 Coro::cede;
1530 $self->set_darkness_map;
1531 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1532 unless $self->difficulty; 2111 unless $self->difficulty;
1533 Coro::cede; 2112 cf::cede_to_tick;
2113
2114 unless ($self->{deny_activate}) {
2115 $self->decay_objects;
2116 $self->fix_auto_apply;
2117 $self->update_buttons;
2118 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick;
1534 $self->activate; 2121 $self->activate;
1535 Coro::cede; 2122 }
2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
2127 $self->in_memory (cf::MAP_ACTIVE);
1536 } 2128 }
1537 2129
1538 $self->post_load; 2130 $self->post_load;
1539 Coro::cede;
1540
1541 $self->in_memory (cf::MAP_IN_MEMORY);
1542} 2131}
1543 2132
1544sub customise_for { 2133sub customise_for {
1545 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1546 2135
1547 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1548 if $self->per_player; 2137 if $self->per_player;
1549 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1550 $self 2142 $self
1551} 2143}
1552 2144
1553# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1554sub load_diag { 2146sub load_neighbours {
1555 my ($map) = @_; 2147 my ($map) = @_;
1556 2148
1557 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1558 2150
1559 for (0 .. 3) { 2151 for (0 .. 3) {
1560 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1561 or next; 2153 or next;
1562 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1563 or next; 2155 or next;
1564 $neigh->load; 2156 $neigh->load;
1565 2157
2158 push @neigh,
1566 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1567 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1568 } 2161 }
1569 2162
1570 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1571 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1572 or next; 2166 or next;
1573 $neigh->load; 2167 $neigh->load;
1574 } 2168 }
1575} 2169}
1576 2170
1581} 2175}
1582 2176
1583sub do_load_sync { 2177sub do_load_sync {
1584 my ($map) = @_; 2178 my ($map) = @_;
1585 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1586 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1587} 2184}
1588 2185
1589our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1590our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1591 2188
1592sub find_async { 2189sub find_async {
1593 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1594 2191
1595 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1596 2193
1597 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1598 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599 } 2196 }
1600 2197
1601 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1602 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1603 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1604 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1605 my $map = find $path 2205 if (my $map = find $k) {
1606 or next;
1607 $map->load; 2206 $map->load if $v;
2207 }
1608 2208
1609 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1610 } 2210 }
1611 } 2211 }
1612 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1613 }; 2213 };
1614 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1617} 2217}
1618 2218
1619sub save { 2219sub save {
1620 my ($self) = @_; 2220 my ($self) = @_;
1621 2221
1622 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1623 2223
1624 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1625 2225
1626 return unless $self->dirty; 2226 return unless $self->dirty;
1627 2227
1633 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1634 2234
1635 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1636 2236
1637 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1638 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1639 }; 2240 };
2241
2242 cf::get_slot 0.02;
1640 2243
1641 if ($uniq) { 2244 if ($uniq) {
1642 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1644 } else { 2247 } else {
1650 my ($self) = @_; 2253 my ($self) = @_;
1651 2254
1652 # save first because save cedes 2255 # save first because save cedes
1653 $self->save; 2256 $self->save;
1654 2257
1655 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1656 2259
1657 return if $self->players; 2260 return if $self->players;
1658 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1659 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1660 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1661 $self->clear; 2268 $self->clear;
1662 $self->in_memory (cf::MAP_SWAPPED);
1663} 2269}
1664 2270
1665sub reset_at { 2271sub reset_at {
1666 my ($self) = @_; 2272 my ($self) = @_;
1667 2273
1668 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1669 return 1e99 if $self->isa ("ext::map_per_player");#d#
1670 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1671 2276
1672 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674 2279
1685 my ($self) = @_; 2290 my ($self) = @_;
1686 2291
1687 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1688 2293
1689 return if $self->players; 2294 return if $self->players;
1690 return if $self->isa ("ext::map_per_player");#d#
1691 2295
1692 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1693 2297
1694 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1695 2299
1696 # need to save uniques path 2300 # need to save uniques path
1697 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1701 if $uniq; 2305 if $uniq;
1702 } 2306 }
1703 2307
1704 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1705 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1706 $self->clear; 2312 $self->clear;
1707
1708 $_->clear_links_to ($self) for values %cf::MAP;
1709 2313
1710 $self->unlink_save; 2314 $self->unlink_save;
1711 $self->destroy; 2315 $self->destroy;
1712} 2316}
1713 2317
1714my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1715 2319
1716sub nuke { 2320sub nuke {
1717 my ($self) = @_; 2321 my ($self) = @_;
1718 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1719 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1720 2327
1721 $self->unlink_save; 2328 $self->unlink_save;
1722 2329
1723 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1724 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1725 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1726 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1727 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728 2335
1729 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1730 2338
1731 $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 ]
1732} 2376}
1733 2377
1734=item cf::map::unique_maps 2378=item cf::map::unique_maps
1735 2379
1736Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1737instantiated unique items. May block. 2381instantiated unique items. May block.
1738 2382
1739=cut 2383=cut
1740 2384
1741sub unique_maps() { 2385sub unique_maps() {
1742 my $files = aio_readdir $UNIQUEDIR 2386 [
1743 or return; 2387 map {
1744
1745 my @paths;
1746
1747 for (@$files) {
1748 utf8::decode $_; 2388 utf8::decode $_;
1749 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1750 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751 2391 ? ()
1752 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1753 } 2394 ]
1754
1755 \@paths
1756} 2395}
1757
1758package cf;
1759 2396
1760=back 2397=back
1761 2398
1762=head3 cf::object 2399=head3 cf::object
1763 2400
1767 2404
1768=over 4 2405=over 4
1769 2406
1770=item $ob->inv_recursive 2407=item $ob->inv_recursive
1771 2408
1772Returns 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.
1773 2411
1774=cut 2412=cut
1775 2413
1776sub inv_recursive_; 2414sub inv_recursive_;
1777sub inv_recursive_ { 2415sub inv_recursive_ {
1780 2418
1781sub inv_recursive { 2419sub inv_recursive {
1782 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1783} 2421}
1784 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
1785package cf; 2451package cf;
1786 2452
1787=back 2453=back
1788 2454
1789=head3 cf::object::player 2455=head3 cf::object::player
1795Sends 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>
1796can 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
1797dialogue with the given NPC character. 2463dialogue with the given NPC character.
1798 2464
1799=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};
1800 2480
1801# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1802# with dialog boxes. 2482# with dialog boxes.
1803#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
1804sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1806 2486
1807 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808 2488
1809 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1810 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1811 } 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 {
1812 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1813 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1814 } 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 (@_);
1815} 2514}
1816 2515
1817=item $player_object->may ("access") 2516=item $player_object->may ("access")
1818 2517
1819Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1866 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1867 2566
1868 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1869 2568
1870 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1872 2571
1873 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1874} 2573}
1875 2574
1876sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1877 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1878 2579
1879 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1880 2581
1881 unless ($map) { 2582 unless ($map) {
1882 # restore original map position 2583 # restore original map position
1896 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1897 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1898 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1899 2600
1900 $map->load; 2601 $map->load;
1901 $map->load_diag; 2602 $map->load_neighbours;
1902 2603
1903 return unless $self->contr->active; 2604 return unless $self->contr->active;
1904 $self->activate_recursive; 2605 $self->activate_recursive;
1905 2606
1906 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1908} 2609}
1909 2610
1910cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911 on_logout => sub {
1912 my ($pl) = @_;
1913 2612
1914 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1915 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1916 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1917 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1918 }; 2617be called at the end of this process.
1919 }
1920 },
1921 on_login => sub {
1922 my ($pl) = @_;
1923 2618
1924 # try to abort aborted map switching on player login :)
1925 # should happen only on crashes
1926 if ($pl->ob->{_link_pos}) {
1927 $pl->ob->enter_link;
1928 (async {
1929 $pl->ob->reply (undef,
1930 "There was an internal problem at your last logout, "
1931 . "the server will try to bring you to your intended destination in a second.",
1932 cf::NDI_RED);
1933 # we need this sleep as the login has a concurrent enter_exit running
1934 # and this sleep increases chances of the player not ending up in scorn
1935 Coro::Timer::sleep 1;
1936 $pl->ob->leave_link;
1937 })->prio (2);
1938 }
1939 },
1940);
1941
1942=item $player_object->goto ($path, $x, $y)
1943
1944=cut 2619=cut
2620
2621our $GOTOGEN;
1945 2622
1946sub cf::object::player::goto { 2623sub cf::object::player::goto {
1947 my ($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;
1948 2628
1949 $self->enter_link; 2629 $self->enter_link;
1950 2630
1951 (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
1952 my $map = eval { 2653 my $map = eval {
1953 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
2655
2656 if ($map) {
1954 $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
1955 $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 $@;
1956 } or 2669 }
1957 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958 2670
2671 if ($gen == $self->{_goto_generation}) {
2672 delete $self->{_goto_generation};
1959 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
2674 }
2675
2676 $done->() if $done;
1960 })->prio (1); 2677 })->prio (1);
1961} 2678}
1962 2679
1963=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
1964 2681
1984} 2701}
1985 2702
1986sub prepare_random_map { 2703sub prepare_random_map {
1987 my ($exit) = @_; 2704 my ($exit) = @_;
1988 2705
1989 my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
1992 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
1993 # that depends on the exit object 2708 # that depends on the exit object
1994 2709
1995 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
1997 if ($exit->map) { 2712 if ($exit->map) {
1998 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
1999 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
2000 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
2001 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
2002 } 2719 }
2003 2720
2004 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
2005 2722
2006 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
2008 my $meta = "$RANDOMDIR/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
2009 2726
2010 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
2012 undef $fh; 2729 undef $fh;
2013 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
2014 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
2015 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
2016 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
2017 } 2738 }
2018} 2739}
2019 2740
2020sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
2021 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
2022 2743
2023 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
2024 2745
2025 if ($exit->slaying eq "/!") {
2026 #TODO: this should de-fi-ni-te-ly not be a sync-job
2027 # the problem is that $exit might not survive long enough
2028 # so it needs to be done right now, right here
2029 cf::sync_job { prepare_random_map $exit };
2030 }
2031
2032 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033 my $hp = $exit->stats->hp;
2034 my $sp = $exit->stats->sp;
2035
2036 $self->enter_link; 2746 $self->enter_link;
2037 2747
2038 (async { 2748 (async {
2039 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
2040 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
2041 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
2042 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
2043 1; 2772 1
2044 }) { 2773 }) {
2045 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
2046 . "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. "
2047 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
2048 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
2069 2798
2070 utf8::encode $text; 2799 utf8::encode $text;
2071 $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);
2072} 2801}
2073 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
2074=item $client->ext_event ($type, %msg) 2933=item $client->ext_msg ($type, @msg)
2075 2934
2076Sends an exti event to the client. 2935Sends an ext event to the client.
2077 2936
2078=cut 2937=cut
2079 2938
2080sub cf::client::ext_event($$%) { 2939sub cf::client::ext_msg($$@) {
2081 my ($self, $type, %msg) = @_; 2940 my ($self, $type, @msg) = @_;
2082 2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2083 $msg{msgtype} = "event_$type"; 2945 push @msg, msgtype => "event_$type";
2084 $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 }
2085} 2966}
2086 2967
2087=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
2088 2969
2089Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
2090the 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>,
2091C<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>.
2092 2973
2093Queries 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
2094reliable at some point in the future. 2975become reliable at some point in the future.
2095 2976
2096=cut 2977=cut
2097 2978
2098sub cf::client::query { 2979sub cf::client::query {
2099 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2107 utf8::encode $text; 2988 utf8::encode $text;
2108 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109 2990
2110 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2111 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2112} 2995}
2113 2996
2114cf::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 },
2115 on_reply => sub { 3003 on_reply => sub {
2116 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2117 3005
2118 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2119 # get handled first 3007 # get handled first
2131 } else { 3019 } else {
2132 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133 } 3021 }
2134 } 3022 }
2135 }, 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 },
2136); 3050);
2137 3051
2138=item $client->async (\&cb) 3052=item $client->async (\&cb)
2139 3053
2140Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2181our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2182our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2183 3097
2184$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2185 3099
2186$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));
2187 3105
2188# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2189 3107
2190=pod 3108=pod
2191 3109
2192The following functions and methods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2193 3111
2194 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
2195 cf::object::player player 3116 cf::object::player
2196 cf::player peaceful 3117 player
2197 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2198 3124
2199=cut 3125=cut
2200 3126
2201for ( 3127for (
2202 ["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)],
2203 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2204 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2205 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2206) { 3134) {
2207 no strict 'refs'; 3135 no strict 'refs';
2278=back 3206=back
2279 3207
2280=cut 3208=cut
2281 3209
2282############################################################################# 3210#############################################################################
2283
2284=head2 EXTENSION DATABASE SUPPORT
2285
2286Crossfire maintains a very simple database for extension use. It can
2287currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288convert to/from binary).
2289
2290The parameter C<$family> should best start with the name of the extension
2291using it, it should be unique.
2292
2293=over 4
2294
2295=item $value = cf::db_get $family => $key
2296
2297Returns a single value from the database.
2298
2299=item cf::db_put $family => $key => $value
2300
2301Stores the given C<$value> in the family.
2302
2303=cut
2304
2305our $DB;
2306
2307sub db_init {
2308 unless ($DB) {
2309 $DB = BDB::db_create $DB_ENV;
2310
2311 cf::sync_job {
2312 eval {
2313 $DB->set_flags (BDB::CHKSUM);
2314
2315 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317 cf::cleanup "db_open(db): $!" if $!;
2318 };
2319 cf::cleanup "db_open(db): $@" if $@;
2320 };
2321 }
2322}
2323
2324sub db_get($$) {
2325 my $key = "$_[0]/$_[1]";
2326
2327 cf::sync_job {
2328 BDB::db_get $DB, undef, $key, my $data;
2329
2330 $! ? ()
2331 : $data
2332 }
2333}
2334
2335sub db_put($$$) {
2336 BDB::dbreq_pri 4;
2337 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338}
2339
2340=item cf::cache $id => [$paths...], $processversion => $process
2341
2342Generic caching function that returns the value of the resource $id,
2343caching and regenerating as required.
2344
2345This function can block.
2346
2347=cut
2348
2349sub cache {
2350 my ($id, $src, $processversion, $process) = @_;
2351
2352 my $meta =
2353 join "\x00",
2354 $processversion,
2355 map {
2356 aio_stat $_
2357 and Carp::croak "$_: $!";
2358
2359 ($_, (stat _)[7,9])
2360 } @$src;
2361
2362 my $dbmeta = db_get cache => "$id/meta";
2363 if ($dbmeta ne $meta) {
2364 # changed, we may need to process
2365
2366 my @data;
2367 my $md5;
2368
2369 for (0 .. $#$src) {
2370 0 <= aio_load $src->[$_], $data[$_]
2371 or Carp::croak "$src->[$_]: $!";
2372 }
2373
2374 # if processing is expensive, check
2375 # checksum first
2376 if (1) {
2377 $md5 =
2378 join "\x00",
2379 $processversion,
2380 map {
2381 Coro::cede;
2382 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2383 } 0.. $#$src;
2384
2385
2386 my $dbmd5 = db_get cache => "$id/md5";
2387 if ($dbmd5 eq $md5) {
2388 db_put cache => "$id/meta", $meta;
2389
2390 return db_get cache => "$id/data";
2391 }
2392 }
2393
2394 my $t1 = Time::HiRes::time;
2395 my $data = $process->(\@data);
2396 my $t2 = Time::HiRes::time;
2397
2398 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400 db_put cache => "$id/data", $data;
2401 db_put cache => "$id/md5" , $md5;
2402 db_put cache => "$id/meta", $meta;
2403
2404 return $data;
2405 }
2406
2407 db_get cache => "$id/data"
2408}
2409
2410=item fork_call { }, $args
2411
2412Executes the given code block with the given arguments in a seperate
2413process, returning the results. Everything must be serialisable with
2414Coro::Storable. May, of course, block. Note that the executed sub may
2415never block itself or use any form of Event handling.
2416
2417=cut
2418
2419sub fork_call(&@) {
2420 my ($cb, @args) = @_;
2421
2422# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423# or die "socketpair: $!";
2424 pipe my $fh1, my $fh2
2425 or die "pipe: $!";
2426
2427 if (my $pid = fork) {
2428 close $fh2;
2429
2430 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431 $res = Coro::Storable::thaw $res;
2432
2433 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435 die $$res unless "ARRAY" eq ref $res;
2436
2437 return wantarray ? @$res : $res->[-1];
2438 } else {
2439 local $SIG{__WARN__};
2440 eval {
2441 local $SIG{__DIE__};
2442 close $fh1;
2443
2444 my @res = eval { $cb->(@args) };
2445 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446 };
2447
2448 warn $@ if $@;
2449 _exit 0;
2450 }
2451}
2452
2453
2454
2455#############################################################################
2456# the server's init and main functions 3211# the server's init and main functions
2457 3212
2458sub load_facedata($) { 3213sub load_facedata($) {
2459 my ($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;
2460 3221
2461 warn "loading facedata from $path\n"; 3222 warn "loading facedata from $path\n";
2462 3223
2463 my $facedata; 3224 my $facedata;
2464 0 < aio_load $path, $facedata 3225 0 < aio_load $path, $facedata
2467 $facedata = Coro::Storable::thaw $facedata; 3228 $facedata = Coro::Storable::thaw $facedata;
2468 3229
2469 $facedata->{version} == 2 3230 $facedata->{version} == 2
2470 or cf::cleanup "$path: version mismatch, cannot proceed."; 3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
2471 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
2472 { 3240 {
2473 my $faces = $facedata->{faceinfo}; 3241 my $faces = $facedata->{faceinfo};
2474 3242
2475 while (my ($face, $info) = each %$faces) { 3243 while (my ($face, $info) = each %$faces) {
2476 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
2477 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
2478 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480 Coro::cede; 3250
3251 cf::cede_to_tick;
2481 } 3252 }
2482 3253
2483 while (my ($face, $info) = each %$faces) { 3254 while (my ($face, $info) = each %$faces) {
2484 next unless $info->{smooth}; 3255 next unless $info->{smooth};
3256
2485 my $idx = cf::face::find $face 3257 my $idx = cf::face::find $face
2486 or next; 3258 or next;
3259
2487 if (my $smooth = cf::face::find $info->{smooth}) { 3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
2488 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489 } else { 3263 } else {
2490 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
2491 } 3265 }
2492 Coro::cede; 3266
3267 cf::cede_to_tick;
2493 } 3268 }
2494 } 3269 }
2495 3270
2496 { 3271 {
2497 my $anims = $facedata->{animinfo}; 3272 my $anims = $facedata->{animinfo};
2498 3273
2499 while (my ($anim, $info) = each %$anims) { 3274 while (my ($anim, $info) = each %$anims) {
2500 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
2501 Coro::cede; 3276 cf::cede_to_tick;
2502 } 3277 }
2503 3278
2504 cf::anim::invalidate_all; # d'oh 3279 cf::anim::invalidate_all; # d'oh
2505 } 3280 }
2506 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
2507 1 3317 1
2508} 3318}
2509 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 $status
3356}
3357
2510sub reload_regions { 3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
2511 load_resource_file "$MAPDIR/regions" 3363 load_resource_file "$MAPDIR/regions"
2512 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 $_->{match};
3369 }
2513} 3370}
2514 3371
2515sub reload_facedata { 3372sub reload_facedata {
2516 load_facedata "$DATADIR/facedata" 3373 load_facedata "$DATADIR/facedata"
2517 or die "unable to load facedata\n"; 3374 or die "unable to load facedata\n";
2528} 3385}
2529 3386
2530sub reload_resources { 3387sub reload_resources {
2531 warn "reloading resource files...\n"; 3388 warn "reloading resource files...\n";
2532 3389
2533 reload_regions;
2534 reload_facedata; 3390 reload_facedata;
2535 reload_archetypes; 3391 reload_archetypes;
3392 reload_regions;
2536 reload_treasures; 3393 reload_treasures;
2537 3394
2538 warn "finished reloading resource files\n"; 3395 warn "finished reloading resource files\n";
2539} 3396}
2540 3397
2541sub init { 3398sub init {
3399 my $guard = freeze_mainloop;
3400
2542 reload_resources; 3401 reload_resources;
2543} 3402}
2544 3403
2545sub cfg_load { 3404sub reload_config {
2546 open my $fh, "<:utf8", "$CONFDIR/config" 3405 open my $fh, "<:utf8", "$CONFDIR/config"
2547 or return; 3406 or return;
2548 3407
2549 local $/; 3408 local $/;
2550 *CFG = YAML::Syck::Load <$fh>; 3409 *CFG = YAML::Load <$fh>;
2551 3410
2552 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3411 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553 3412
2554 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3413 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3414 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2566sub main { 3425sub main {
2567 # we must not ever block the main coroutine 3426 # we must not ever block the main coroutine
2568 local $Coro::idle = sub { 3427 local $Coro::idle = sub {
2569 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3428 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570 (async { 3429 (async {
2571 Event::one_event; 3430 $Coro::current->{desc} = "IDLE BUG HANDLER";
3431 EV::loop EV::LOOP_ONESHOT;
2572 })->prio (Coro::PRIO_MAX); 3432 })->prio (Coro::PRIO_MAX);
2573 }; 3433 };
2574 3434
2575 cfg_load; 3435 {
3436 my $guard = freeze_mainloop;
3437 reload_config;
2576 db_init; 3438 db_init;
2577 load_extensions; 3439 load_extensions;
2578 3440
2579 $TICK_WATCHER->start; 3441 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3442 evthread_start IO::AIO::poll_fileno;
3443 }
3444
2580 Event::loop; 3445 EV::loop;
2581} 3446}
2582 3447
2583############################################################################# 3448#############################################################################
2584# initialisation and cleanup 3449# initialisation and cleanup
2585 3450
2586# install some emergency cleanup handlers 3451# install some emergency cleanup handlers
2587BEGIN { 3452BEGIN {
3453 our %SIGWATCHER = ();
2588 for my $signal (qw(INT HUP TERM)) { 3454 for my $signal (qw(INT HUP TERM)) {
2589 Event->signal ( 3455 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2590 reentrant => 0,
2591 data => WF_AUTOCANCEL,
2592 signal => $signal,
2593 prio => 0,
2594 cb => sub {
2595 cf::cleanup "SIG$signal"; 3456 cf::cleanup "SIG$signal";
2596 },
2597 ); 3457 };
3458 }
3459}
3460
3461sub write_runtime_sync {
3462 my $runtime = "$LOCALDIR/runtime";
3463
3464 # first touch the runtime file to show we are still running:
3465 # the fsync below can take a very very long time.
3466
3467 IO::AIO::aio_utime $runtime, undef, undef;
3468
3469 my $guard = cf::lock_acquire "write_runtime";
3470
3471 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3472 or return;
3473
3474 my $value = $cf::RUNTIME + 90 + 10;
3475 # 10 is the runtime save interval, for a monotonic clock
3476 # 60 allows for the watchdog to kill the server.
3477
3478 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3479 and return;
3480
3481 # always fsync - this file is important
3482 aio_fsync $fh
3483 and return;
3484
3485 # touch it again to show we are up-to-date
3486 aio_utime $fh, undef, undef;
3487
3488 close $fh
3489 or return;
3490
3491 aio_rename "$runtime~", $runtime
3492 and return;
3493
3494 warn "runtime file written.\n";
3495
2598 } 3496 1
3497}
3498
3499our $uuid_lock;
3500our $uuid_skip;
3501
3502sub write_uuid_sync($) {
3503 $uuid_skip ||= $_[0];
3504
3505 return if $uuid_lock;
3506 local $uuid_lock = 1;
3507
3508 my $uuid = "$LOCALDIR/uuid";
3509
3510 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511 or return;
3512
3513 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3514 $uuid_skip = 0;
3515
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return;
3518
3519 # always fsync - this file is important
3520 aio_fsync $fh
3521 and return;
3522
3523 close $fh
3524 or return;
3525
3526 aio_rename "$uuid~", $uuid
3527 and return;
3528
3529 warn "uuid file written ($value).\n";
3530
3531 1
3532
3533}
3534
3535sub write_uuid($$) {
3536 my ($skip, $sync) = @_;
3537
3538 $sync ? write_uuid_sync $skip
3539 : async { write_uuid_sync $skip };
2599} 3540}
2600 3541
2601sub emergency_save() { 3542sub emergency_save() {
2602 my $freeze_guard = cf::freeze_mainloop; 3543 my $freeze_guard = cf::freeze_mainloop;
2603 3544
2609 # and maps saved/destroyed asynchronously. 3550 # and maps saved/destroyed asynchronously.
2610 warn "begin emergency player save\n"; 3551 warn "begin emergency player save\n";
2611 for my $login (keys %cf::PLAYER) { 3552 for my $login (keys %cf::PLAYER) {
2612 my $pl = $cf::PLAYER{$login} or next; 3553 my $pl = $cf::PLAYER{$login} or next;
2613 $pl->valid or next; 3554 $pl->valid or next;
3555 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614 $pl->save; 3556 $pl->save;
2615 } 3557 }
2616 warn "end emergency player save\n"; 3558 warn "end emergency player save\n";
2617 3559
2618 warn "begin emergency map save\n"; 3560 warn "begin emergency map save\n";
2624 warn "end emergency map save\n"; 3566 warn "end emergency map save\n";
2625 3567
2626 warn "begin emergency database checkpoint\n"; 3568 warn "begin emergency database checkpoint\n";
2627 BDB::db_env_txn_checkpoint $DB_ENV; 3569 BDB::db_env_txn_checkpoint $DB_ENV;
2628 warn "end emergency database checkpoint\n"; 3570 warn "end emergency database checkpoint\n";
3571
3572 warn "begin write uuid\n";
3573 write_uuid_sync 1;
3574 warn "end write uuid\n";
2629 }; 3575 };
2630 3576
2631 warn "leave emergency perl save\n"; 3577 warn "leave emergency perl save\n";
2632} 3578}
2633 3579
2648 warn "reloading..."; 3594 warn "reloading...";
2649 3595
2650 warn "entering sync_job"; 3596 warn "entering sync_job";
2651 3597
2652 cf::sync_job { 3598 cf::sync_job {
2653 cf::write_runtime; # external watchdog should not bark 3599 cf::write_runtime_sync; # external watchdog should not bark
2654 cf::emergency_save; 3600 cf::emergency_save;
2655 cf::write_runtime; # external watchdog should not bark 3601 cf::write_runtime_sync; # external watchdog should not bark
2656 3602
2657 warn "syncing database to disk"; 3603 warn "syncing database to disk";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2659 3605
2660 # if anything goes wrong in here, we should simply crash as we already saved 3606 # if anything goes wrong in here, we should simply crash as we already saved
2661
2662 warn "cancelling all WF_AUTOCANCEL watchers";
2663 for (Event::all_watchers) {
2664 $_->cancel if $_->data & WF_AUTOCANCEL;
2665 }
2666 3607
2667 warn "flushing outstanding aio requests"; 3608 warn "flushing outstanding aio requests";
2668 for (;;) { 3609 for (;;) {
2669 BDB::flush; 3610 BDB::flush;
2670 IO::AIO::flush; 3611 IO::AIO::flush;
2671 Coro::cede; 3612 Coro::cede_notself;
2672 last unless IO::AIO::nreqs || BDB::nreqs; 3613 last unless IO::AIO::nreqs || BDB::nreqs;
2673 warn "iterate..."; 3614 warn "iterate...";
2674 } 3615 }
2675 3616
2676 ++$RELOAD; 3617 ++$RELOAD;
2680 %EXT_CORO = (); 3621 %EXT_CORO = ();
2681 3622
2682 warn "removing commands"; 3623 warn "removing commands";
2683 %COMMAND = (); 3624 %COMMAND = ();
2684 3625
2685 warn "removing ext commands"; 3626 warn "removing ext/exti commands";
2686 %EXTCMD = (); 3627 %EXTCMD = ();
3628 %EXTICMD = ();
2687 3629
2688 warn "unloading/nuking all extensions"; 3630 warn "unloading/nuking all extensions";
2689 for my $pkg (@EXTS) { 3631 for my $pkg (@EXTS) {
2690 warn "... unloading $pkg"; 3632 warn "... unloading $pkg";
2691 3633
2734 warn "reloading cf.pm"; 3676 warn "reloading cf.pm";
2735 require cf; 3677 require cf;
2736 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3678 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737 3679
2738 warn "loading config and database again"; 3680 warn "loading config and database again";
2739 cf::cfg_load; 3681 cf::reload_config;
2740 3682
2741 warn "loading extensions"; 3683 warn "loading extensions";
2742 cf::load_extensions; 3684 cf::load_extensions;
2743 3685
2744 warn "reattaching attachments to objects/players"; 3686 warn "reattaching attachments to objects/players";
2751 warn "leaving sync_job"; 3693 warn "leaving sync_job";
2752 3694
2753 1 3695 1
2754 } or do { 3696 } or do {
2755 warn $@; 3697 warn $@;
2756 warn "error while reloading, exiting."; 3698 cf::cleanup "error while reloading, exiting.";
2757 exit 1;
2758 }; 3699 };
2759 3700
2760 warn "reloaded"; 3701 warn "reloaded";
2761}; 3702};
2762 3703
2764 3705
2765sub reload_perl() { 3706sub reload_perl() {
2766 # doing reload synchronously and two reloads happen back-to-back, 3707 # doing reload synchronously and two reloads happen back-to-back,
2767 # coro crashes during coro_state_free->destroy here. 3708 # coro crashes during coro_state_free->destroy here.
2768 3709
2769 $RELOAD_WATCHER ||= Event->timer ( 3710 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770 reentrant => 0,
2771 after => 0,
2772 data => WF_AUTOCANCEL,
2773 cb => sub {
2774 do_reload_perl; 3711 do_reload_perl;
2775 undef $RELOAD_WATCHER; 3712 undef $RELOAD_WATCHER;
2776 },
2777 ); 3713 };
2778} 3714}
2779 3715
2780register_command "reload" => sub { 3716register_command "reload" => sub {
2781 my ($who, $arg) = @_; 3717 my ($who, $arg) = @_;
2782 3718
2783 if ($who->flag (FLAG_WIZ)) { 3719 if ($who->flag (FLAG_WIZ)) {
2784 $who->message ("reloading server."); 3720 $who->message ("reloading server.");
3721 async {
3722 $Coro::current->{desc} = "perl_reload";
2785 async { reload_perl }; 3723 reload_perl;
3724 };
2786 } 3725 }
2787}; 3726};
2788 3727
2789unshift @INC, $LIBDIR; 3728unshift @INC, $LIBDIR;
2790 3729
2792 3731
2793our @WAIT_FOR_TICK; 3732our @WAIT_FOR_TICK;
2794our @WAIT_FOR_TICK_BEGIN; 3733our @WAIT_FOR_TICK_BEGIN;
2795 3734
2796sub wait_for_tick { 3735sub wait_for_tick {
2797 return unless $TICK_WATCHER->is_active;
2798 return if $Coro::current == $Coro::main; 3736 return if tick_inhibit || $Coro::current == $Coro::main;
2799 3737
2800 my $signal = new Coro::Signal; 3738 my $signal = new Coro::Signal;
2801 push @WAIT_FOR_TICK, $signal; 3739 push @WAIT_FOR_TICK, $signal;
2802 $signal->wait; 3740 $signal->wait;
2803} 3741}
2804 3742
2805sub wait_for_tick_begin { 3743sub wait_for_tick_begin {
2806 return unless $TICK_WATCHER->is_active;
2807 return if $Coro::current == $Coro::main; 3744 return if tick_inhibit || $Coro::current == $Coro::main;
2808 3745
2809 my $signal = new Coro::Signal; 3746 my $signal = new Coro::Signal;
2810 push @WAIT_FOR_TICK_BEGIN, $signal; 3747 push @WAIT_FOR_TICK_BEGIN, $signal;
2811 $signal->wait; 3748 $signal->wait;
2812} 3749}
2813 3750
2814$TICK_WATCHER = Event->timer ( 3751sub tick {
2815 reentrant => 0,
2816 parked => 1,
2817 prio => 0,
2818 at => $NEXT_TICK || $TICK,
2819 data => WF_AUTOCANCEL,
2820 cb => sub {
2821 if ($Coro::current != $Coro::main) { 3752 if ($Coro::current != $Coro::main) {
2822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3753 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823 unless ++$bug_warning > 10; 3754 unless ++$bug_warning > 10;
2824 return; 3755 return;
2825 } 3756 }
2826 3757
2827 $NOW = Event::time;
2828
2829 cf::server_tick; # one server iteration 3758 cf::server_tick; # one server iteration
2830 3759
2831 $RUNTIME += $TICK;
2832 $NEXT_TICK += $TICK;
2833
2834 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3760 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835 $NEXT_RUNTIME_WRITE = $NOW + 10; 3761 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836 Coro::async_pool { 3762 Coro::async_pool {
3763 $Coro::current->{desc} = "runtime saver";
2837 write_runtime 3764 write_runtime_sync
2838 or warn "ERROR: unable to write runtime file: $!"; 3765 or warn "ERROR: unable to write runtime file: $!";
2839 };
2840 } 3766 };
3767 }
2841 3768
2842# my $AFTER = Event::time;
2843# warn $AFTER - $NOW;#d#
2844
2845 # if we are delayed by four ticks or more, skip them all
2846 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848 $TICK_WATCHER->at ($NEXT_TICK);
2849 $TICK_WATCHER->start;
2850
2851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3769 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852 $sig->send; 3770 $sig->send;
2853 } 3771 }
2854 while (my $sig = shift @WAIT_FOR_TICK) { 3772 while (my $sig = shift @WAIT_FOR_TICK) {
2855 $sig->send; 3773 $sig->send;
2856 }
2857
2858 _post_tick;
2859 }, 3774 }
2860); 3775
3776 $LOAD = ($NOW - $TICK_START) / $TICK;
3777 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778
3779 if (0) {
3780 if ($NEXT_TICK) {
3781 my $jitter = $TICK_START - $NEXT_TICK;
3782 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783 warn "jitter $JITTER\n";#d#
3784 }
3785 }
3786}
2861 3787
2862{ 3788{
2863 BDB::max_poll_time $TICK * 0.1; 3789 # configure BDB
2864 $BDB_POLL_WATCHER = Event->io ( 3790
2865 reentrant => 0,
2866 fd => BDB::poll_fileno,
2867 poll => 'r',
2868 prio => 0,
2869 data => WF_AUTOCANCEL,
2870 cb => \&BDB::poll_cb,
2871 );
2872 BDB::min_parallel 8; 3791 BDB::min_parallel 8;
2873 3792 BDB::max_poll_reqs $TICK * 0.1;
2874 BDB::set_sync_prepare { 3793 $AnyEvent::BDB::WATCHER->priority (1);
2875 my $status;
2876 my $current = $Coro::current;
2877 (
2878 sub {
2879 $status = $!;
2880 $current->ready; undef $current;
2881 },
2882 sub {
2883 Coro::schedule while defined $current;
2884 $! = $status;
2885 },
2886 )
2887 };
2888 3794
2889 unless ($DB_ENV) { 3795 unless ($DB_ENV) {
2890 $DB_ENV = BDB::db_env_create; 3796 $DB_ENV = BDB::db_env_create;
3797 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3798 | BDB::LOG_AUTOREMOVE, 1);
3799 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891 3801
2892 cf::sync_job { 3802 cf::sync_job {
2893 eval { 3803 eval {
2894 BDB::db_env_open 3804 BDB::db_env_open
2895 $DB_ENV, 3805 $DB_ENV,
2897 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3807 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3808 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899 0666; 3809 0666;
2900 3810
2901 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3811 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904 $DB_ENV->set_lk_detect;
2905 }; 3812 };
2906 3813
2907 cf::cleanup "db_env_open(db): $@" if $@; 3814 cf::cleanup "db_env_open(db): $@" if $@;
2908 }; 3815 };
2909 } 3816 }
3817
3818 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3819 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3820 };
3821 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3822 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823 };
3824 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826 };
2910} 3827}
2911 3828
2912{ 3829{
3830 # configure IO::AIO
3831
2913 IO::AIO::min_parallel 8; 3832 IO::AIO::min_parallel 8;
2914
2915 undef $Coro::AIO::WATCHER;
2916 IO::AIO::max_poll_time $TICK * 0.1; 3833 IO::AIO::max_poll_time $TICK * 0.1;
2917 $AIO_POLL_WATCHER = Event->io ( 3834 $AnyEvent::AIO::WATCHER->priority (1);
2918 reentrant => 0, 3835}
2919 data => WF_AUTOCANCEL, 3836
2920 fd => IO::AIO::poll_fileno, 3837my $_log_backtrace;
2921 poll => 'r', 3838
2922 prio => 6, 3839sub _log_backtrace {
2923 cb => \&IO::AIO::poll_cb, 3840 my ($msg, @addr) = @_;
2924 ); 3841
3842 $msg =~ s/\n//;
3843
3844 # limit the # of concurrent backtraces
3845 if ($_log_backtrace < 2) {
3846 ++$_log_backtrace;
3847 async {
3848 $Coro::current->{desc} = "abt $msg";
3849
3850 my @bt = fork_call {
3851 @addr = map { sprintf "%x", $_ } @addr;
3852 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3853 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3854 or die "addr2line: $!";
3855
3856 my @funcs;
3857 my @res = <$fh>;
3858 chomp for @res;
3859 while (@res) {
3860 my ($func, $line) = splice @res, 0, 2, ();
3861 push @funcs, "[$func] $line";
3862 }
3863
3864 @funcs
3865 };
3866
3867 LOG llevInfo, "[ABT] $msg\n";
3868 LOG llevInfo, "[ABT] $_\n" for @bt;
3869 --$_log_backtrace;
3870 };
3871 } else {
3872 LOG llevInfo, "[ABT] $msg\n";
3873 LOG llevInfo, "[ABT] [suppressed]\n";
3874 }
2925} 3875}
2926 3876
2927# load additional modules 3877# load additional modules
2928use cf::pod; 3878use cf::pod;
2929 3879

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