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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
71 93
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 97our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
79 99
80our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 104our $DB_ENV;
82 105
83our %CFG; 106our %CFG;
84 107
85our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 109our $RUNTIME;
110our $NOW;
87 111
88our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
91 115
92# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
118
119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes
94 123
95binmode STDOUT; 124binmode STDOUT;
96binmode STDERR; 125binmode STDERR;
97 126
98# read virtual server time, if available 127# read virtual server time, if available
139 168
140=item $cf::TICK 169=item $cf::TICK
141 170
142The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
143 172
173=item $cf::LOADAVG
174
175The current CPU load on the server (alpha-smoothed), as a value between 0
176(none) and 1 (overloaded), indicating how much time is spent on processing
177objects per tick. Healthy values are < 0.5.
178
179=item $cf::LOAD
180
181The raw value load value from the last tick.
182
144=item %cf::CFG 183=item %cf::CFG
145 184
146Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 186from wherever your confdir points to.
148 187
149=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
150 189
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 191returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
155=back 200=back
156 201
157=cut 202=cut
158 203
159BEGIN { 204BEGIN {
163 $msg .= "\n" 208 $msg .= "\n"
164 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
165 210
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 212
168 utf8::encode $msg;
169 LOG llevError, $msg; 213 LOG llevError, $msg;
170 }; 214 };
171} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
172 231
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 239
180# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 241# within the Safe compartment.
182for my $pkg (qw( 242for my $pkg (qw(
183 cf::global cf::attachable 243 cf::global cf::attachable
188)) { 248)) {
189 no strict 'refs'; 249 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 251}
192 252
193$Event::DIED = sub { 253$EV::DIED = sub {
194 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
195}; 255};
256
257#############################################################################
196 258
197=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
198 260
199=over 4 261=over 4
200 262
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 282 $d
221 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
222} 284}
223 285
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
227 287
228Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
229 289
230=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
231 291
232Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
233 300
234=item cf::lock_wait $string 301=item cf::lock_wait $string
235 302
236Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
237 304
240Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
243returned. 310returned.
244 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
245Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
247 317
248=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
249 319
250Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
251 321
252=cut 322=cut
253 323
254our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
255 326
256sub lock_wait($) { 327sub lock_wait($) {
257 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
258 334
259 # wait for lock, if any 335 # wait for lock, if any
260 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 338 Coro::schedule;
268 344
269 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
270 lock_wait $key; 346 lock_wait $key;
271 347
272 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
273 350
274 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
277 } 355 }
278} 356}
279 357
282 360
283 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
284} 362}
285 363
286sub freeze_mainloop { 364sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
288 366
289 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
291 }; 428 }
292 $TICK_WATCHER->stop; 429};
293 $guard 430
431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
294} 443}
295 444
296=item cf::async { BLOCK } 445=item cf::async { BLOCK }
297 446
298Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
303 452
304BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
305 454
306=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
307 456
308The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
311 461
312If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
315fast or be very important. 465fast or be very important.
318 468
319sub sync_job(&) { 469sub sync_job(&) {
320 my ($job) = @_; 470 my ($job) = @_;
321 471
322 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
473 my $time = EV::time;
474
323 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
325 477
326 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 479
328 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
329 481
330 my $busy = 1; 482 my $busy = 1;
331 my @res; 483 my @res;
332 484
333 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 487 @res = eval { $job->() };
335 warn $@ if $@; 488 warn $@ if $@;
336 undef $busy; 489 undef $busy;
337 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
338 491
339 while ($busy) { 492 while ($busy) {
340 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
341 } 497 }
498 }
499
500 my $time = EV::time - $time;
501
502 $TICK_START += $time; # do not account sync jobs to server load
342 503
343 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
344 } else { 505 } else {
345 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
346 507
366 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
367 528
368 $coro 529 $coro
369} 530}
370 531
371sub write_runtime { 532=item fork_call { }, $args
372 my $runtime = "$LOCALDIR/runtime";
373 533
374 # first touch the runtime file to show we are still running: 534Executes the given code block with the given arguments in a seperate
375 # the fsync below can take a very very long time. 535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
376 538
377 warn "touching runtime...\n";#d# 539=cut
378 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 540
379 utime undef, undef, $fh; 541sub fork_call(&@) {
542 my ($cb, @args) = @_;
543
544 # we seemingly have to make a local copy of the whole thing,
545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
547
548 my @res = Coro::Util::fork_eval {
549 reset_signals;
550 &$cb
551 }, @args;
552
553 wantarray ? @res : $res[-1]
554}
555
556=item $coin = coin_from_name $name
557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
582
583=item $value = cf::db_get $family => $key
584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
380 } 610 };
611 cf::cleanup "db_open(db): $@" if $@;
381 612
382 my $guard = cf::lock_acquire "write_runtime"; 613 $db
614}
383 615
384 warn "starting to write runtime...\n";#d# 616our $DB;
385 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386 or return;
387 617
388 my $value = $cf::RUNTIME + 90 + 10; 618sub db_init {
389 # 10 is the runtime save interval, for a monotonic clock 619 cf::sync_job {
390 # 60 allows for the watchdog to kill the server. 620 $DB ||= db_table "db";
621 };
622}
391 623
392 (aio_write $fh, 0, (length $value), $value, 0) <= 0 624sub db_get($$) {
393 and return; 625 my $key = "$_[0]/$_[1]";
394 626
395 # always fsync - this file is important 627 cf::sync_job {
396 aio_fsync $fh 628 BDB::db_get $DB, undef, $key, my $data;
397 and return;
398 629
399 # touch it again to show we are up-to-date 630 $! ? ()
400 utime undef, undef, $fh; 631 : $data
401
402 close $fh
403 or return;
404
405 aio_rename "$runtime~", $runtime
406 and return;
407
408 warn "... done writing runtime.\n";#d#
409
410 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
411} 708}
412 709
413=item cf::datalog type => key => value, ... 710=item cf::datalog type => key => value, ...
414 711
415Log a datalog packet of the given type with the given key-value pairs. 712Log a datalog packet of the given type with the given key-value pairs.
433attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
434to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
435 732
436In the following description, CLASS can be any of C<global>, C<object> 733In the following description, CLASS can be any of C<global>, C<object>
437C<player>, C<client> or C<map> (i.e. the attachable objects in 734C<player>, C<client> or C<map> (i.e. the attachable objects in
438crossfire+). 735Deliantra).
439 736
440=over 4 737=over 4
441 738
442=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
443 740
606 $registry = $CB_TYPE[$object_type] ||= []; 903 $registry = $CB_TYPE[$object_type] ||= [];
607 904
608 } elsif ($type eq "subtype") { 905 } elsif ($type eq "subtype") {
609 defined $object_type or Carp::croak "subtype specified without type"; 906 defined $object_type or Carp::croak "subtype specified without type";
610 my $object_subtype = shift @arg; 907 my $object_subtype = shift @arg;
611 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 908 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612 909
613 } elsif ($type eq "package") { 910 } elsif ($type eq "package") {
614 my $pkg = shift @arg; 911 my $pkg = shift @arg;
615 912
616 while (my ($name, $id) = each %cb_id) { 913 while (my ($name, $id) = each %cb_id) {
645 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
646 } 943 }
647 944
648 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
649 } else { 946 } else {
650 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
651 } 948 }
652 949
653 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
654} 951}
655 952
657 if (ref $_[0]) { 954 if (ref $_[0]) {
658 _object_attach @_; 955 _object_attach @_;
659 } else { 956 } else {
660 _attach shift->_attach_registry, @_; 957 _attach shift->_attach_registry, @_;
661 } 958 }
959 _recalc_want;
662}; 960};
663 961
664# all those should be optimised 962# all those should be optimised
665sub cf::attachable::detach { 963sub cf::attachable::detach {
666 my ($obj, $name) = @_; 964 my ($obj, $name) = @_;
669 delete $obj->{_attachment}{$name}; 967 delete $obj->{_attachment}{$name};
670 reattach ($obj); 968 reattach ($obj);
671 } else { 969 } else {
672 Carp::croak "cannot, currently, detach class attachments"; 970 Carp::croak "cannot, currently, detach class attachments";
673 } 971 }
972 _recalc_want;
674}; 973};
675 974
676sub cf::attachable::attached { 975sub cf::attachable::attached {
677 my ($obj, $name) = @_; 976 my ($obj, $name) = @_;
678 977
693 "; 992 ";
694 die if $@; 993 die if $@;
695} 994}
696 995
697our $override; 996our $override;
698our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699 998
700sub override { 999sub override {
701 $override = 1; 1000 $override = 1;
702 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
703} 1002}
704 1003
705sub do_invoke { 1004sub do_invoke {
706 my $event = shift; 1005 my $event = shift;
707 my $callbacks = shift; 1006 my $callbacks = shift;
708 1007
709 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
710 1009
711 local $override; 1010 local $override;
712 1011
713 for (@$callbacks) { 1012 for (@$callbacks) {
714 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
723 } 1022 }
724 1023
725 0 1024 0
726} 1025}
727 1026
728=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729 1028
730=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731 1030
732Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
733 1032
734This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735removed in future versions), and there is no public API to access override 1034removed in future versions), and there is no public API to access override
736results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737 1036
738=back 1037=back
739 1038
740=cut 1039=cut
741 1040
742############################################################################# 1041#############################################################################
743# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
744 1085
745sub reattach { 1086sub reattach {
746 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
747 my ($obj) = @_; 1088 my ($obj) = @_;
748 1089
769cf::attachable->attach ( 1110cf::attachable->attach (
770 prio => -1000000, 1111 prio => -1000000,
771 on_instantiate => sub { 1112 on_instantiate => sub {
772 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
773 1114
774 $data = from_json $data; 1115 $data = decode_json $data;
775 1116
776 for (@$data) { 1117 for (@$data) {
777 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
778 1119
779 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
795sub object_freezer_save { 1136sub object_freezer_save {
796 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
797 1138
798 sync_job { 1139 sync_job {
799 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
800 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
801 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
802 1144
803 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
805 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
807 close $fh; 1149 aio_close $fh;
808 1150
809 if (@$objs) { 1151 if (@$objs) {
810 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
812 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
814 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
815 close $fh; 1157 aio_close $fh;
816 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
817 } 1159 }
818 } else { 1160 } else {
819 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
820 } 1162 }
825 } 1167 }
826 } else { 1168 } else {
827 aio_unlink $filename; 1169 aio_unlink $filename;
828 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
829 } 1171 }
830 } 1172 };
831} 1173}
832 1174
833sub object_freezer_as_string { 1175sub object_freezer_as_string {
834 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
835 1177
847 or return; 1189 or return;
848 1190
849 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
850 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
851 or return; 1193 or return;
1194
852 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
853 } 1197 }
854 1198
1199 utf8::decode (my $decname = $filename);
855 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
856 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
857 return ($data, $av); 1203 ($data, $av)
858} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
859 1211
860############################################################################# 1212#############################################################################
861# command handling &c 1213# command handling &c
862 1214
863=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
876 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
877} 1229}
878 1230
879=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
880 1232
881Register a callbackf ro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
882 1238
883If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
884called. 1240called.
885 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
886=cut 1253=cut
887 1254
888sub register_extcmd { 1255sub register_extcmd {
889 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
890 1257
891 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
892} 1265}
893 1266
894cf::player->attach ( 1267cf::player->attach (
895 on_command => sub { 1268 on_command => sub {
896 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
905 cf::override; 1278 cf::override;
906 }, 1279 },
907 on_extcmd => sub { 1280 on_extcmd => sub {
908 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
909 1282
910 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911 1284
912 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
913 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
914 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
915 $pl->ext_reply ($msg->{msgid}, %reply);
916 }
917 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
918 } else { 1300 } else {
919 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920 } 1302 }
921 1303
922 cf::override; 1304 cf::override;
923 }, 1305 },
924); 1306);
925 1307
926sub load_extension {
927 my ($path) = @_;
928
929 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
930 my $base = $1;
931 my $pkg = $1;
932 $pkg =~ s/[^[:word:]]/_/g;
933 $pkg = "ext::$pkg";
934
935 warn "... loading '$path' into '$pkg'\n";
936
937 open my $fh, "<:utf8", $path
938 or die "$path: $!";
939
940 my $source =
941 "package $pkg; use strict; use utf8;\n"
942 . "#line 1 \"$path\"\n{\n"
943 . (do { local $/; <$fh> })
944 . "\n};\n1";
945
946 unless (eval $source) {
947 my $msg = $@ ? "$path: $@\n"
948 : "extension disabled.\n";
949 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950 warn $@;
951 warn "mandatory extension failed to load, exiting.\n";
952 exit 1;
953 }
954 die $@;
955 }
956
957 push @EXTS, $pkg;
958}
959
960sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
961 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
962 next unless -r $ext; 1313 next unless -r $path;
963 eval { 1314
964 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
965 1 1371 }
966 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
967 } 1377 };
968} 1378}
969 1379
970############################################################################# 1380#############################################################################
971 1381
1382=back
1383
972=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
973 1385
974Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
975 1387
976=cut 1388=cut
980use Coro::AIO; 1392use Coro::AIO;
981 1393
982=head3 cf::player 1394=head3 cf::player
983 1395
984=over 4 1396=over 4
1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
985 1411
986=item cf::player::find $login 1412=item cf::player::find $login
987 1413
988Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
989 1415
1025 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028 aio_unlink +(playerdir $login) . "/$login.pl"; 1454 aio_unlink +(playerdir $login) . "/$login.pl";
1029 1455
1030 my $pl = load_pl path $login 1456 my $f = new_from_file cf::object::thawer path $login
1031 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461
1462 local $cf::PLAYER_LOADING{$login} = $pl;
1463 $f->resolve_delayed_derefs;
1032 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
1033 } 1465 }
1034 } 1466 }
1035} 1467}
1036 1468
1045 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1046 1478
1047 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1048 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1049 1481
1482 cf::get_slot 0.01;
1483
1050 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1051 Coro::cede; 1485 cf::cede_to_tick;
1052} 1486}
1053 1487
1054sub new($) { 1488sub new($) {
1055 my ($login) = @_; 1489 my ($login) = @_;
1056 1490
1062 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1063 1497
1064 $self 1498 $self
1065} 1499}
1066 1500
1501=item $player->send_msg ($channel, $msg, $color, [extra...])
1502
1503=cut
1504
1505sub send_msg {
1506 my $ns = shift->ns
1507 or return;
1508 $ns->send_msg (@_);
1509}
1510
1067=item $pl->quit_character 1511=item $pl->quit_character
1068 1512
1069Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1070be destroyed. May block for a long time. 1514be destroyed. May block for a long time.
1071 1515
1079 $pl->{deny_save} = 1; 1523 $pl->{deny_save} = 1;
1080 $pl->password ("*"); # this should lock out the player until we nuked the dir 1524 $pl->password ("*"); # this should lock out the player until we nuked the dir
1081 1525
1082 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083 $pl->deactivate; 1527 $pl->deactivate;
1528 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529 $pl->ob->check_score;
1084 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1530 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1085 $pl->ns->destroy if $pl->ns; 1531 $pl->ns->destroy if $pl->ns;
1086 1532
1087 my $path = playerdir $pl; 1533 my $path = playerdir $pl;
1088 my $temp = "$path~$cf::RUNTIME~deleting~"; 1534 my $temp = "$path~$cf::RUNTIME~deleting~";
1124 or return []; 1570 or return [];
1125 1571
1126 my @logins; 1572 my @logins;
1127 1573
1128 for my $login (@$dirs) { 1574 for my $login (@$dirs) {
1575 my $path = path $login;
1576
1577 # a .pst is a dead give-away for a valid player
1578 # if no pst file found, open and chekc for blocked users
1579 if (aio_stat "$path.pst") {
1129 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1580 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130 aio_read $fh, 0, 512, my $buf, 0 or next; 1581 aio_read $fh, 0, 512, my $buf, 0 or next;
1131 $buf !~ /^password -------------$/m or next; # official not-valid tag 1582 $buf !~ /^password -------------$/m or next; # official not-valid tag
1583 }
1132 1584
1133 utf8::decode $login; 1585 utf8::decode $login;
1134 push @logins, $login; 1586 push @logins, $login;
1135 } 1587 }
1136 1588
1163 } 1615 }
1164 1616
1165 \@paths 1617 \@paths
1166} 1618}
1167 1619
1620=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1621
1622Expand crossfire pod fragments into protocol xml.
1623
1624=cut
1625
1626use re 'eval';
1627
1628my $group;
1629my $interior; $interior = qr{
1630 # match a pod interior sequence sans C<< >>
1631 (?:
1632 \ (.*?)\ (?{ $group = $^N })
1633 | < (??{$interior}) >
1634 )
1635}x;
1636
1637sub expand_cfpod {
1638 my ($self, $pod) = @_;
1639
1640 my $xml;
1641
1642 while () {
1643 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644 $group = $1;
1645
1646 $group =~ s/&/&amp;/g;
1647 $group =~ s/</&lt;/g;
1648
1649 $xml .= $group;
1650 } elsif ($pod =~ m%\G
1651 ([BCGHITU])
1652 <
1653 (?:
1654 ([^<>]*) (?{ $group = $^N })
1655 | < $interior >
1656 )
1657 >
1658 %gcsx
1659 ) {
1660 my ($code, $data) = ($1, $group);
1661
1662 if ($code eq "B") {
1663 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664 } elsif ($code eq "I") {
1665 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666 } elsif ($code eq "U") {
1667 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668 } elsif ($code eq "C") {
1669 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670 } elsif ($code eq "T") {
1671 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672 } elsif ($code eq "G") {
1673 my ($male, $female) = split /\|/, $data;
1674 $data = $self->gender ? $female : $male;
1675 $xml .= expand_cfpod ($self, $data);
1676 } elsif ($code eq "H") {
1677 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679 "")
1680 [$self->{hintmode}];
1681 } else {
1682 $xml .= "error processing '$code($data)' directive";
1683 }
1684 } else {
1685 if ($pod =~ /\G(.+)/) {
1686 warn "parse error while expanding $pod (at $1)";
1687 }
1688 last;
1689 }
1690 }
1691
1692 for ($xml) {
1693 # create single paragraphs (very hackish)
1694 s/(?<=\S)\n(?=\w)/ /g;
1695
1696 # compress some whitespace
1697 s/\s+\n/\n/g; # ws line-ends
1698 s/\n\n+/\n/g; # double lines
1699 s/^\n+//; # beginning lines
1700 s/\n+$//; # ending lines
1701 }
1702
1703 $xml
1704}
1705
1706no re 'eval';
1707
1708sub hintmode {
1709 $_[0]{hintmode} = $_[1] if @_ > 1;
1710 $_[0]{hintmode}
1711}
1712
1168=item $player->ext_reply ($msgid, %msg) 1713=item $player->ext_reply ($msgid, @msg)
1169 1714
1170Sends an ext reply to the player. 1715Sends an ext reply to the player.
1171 1716
1172=cut 1717=cut
1173 1718
1174sub ext_reply($$%) { 1719sub ext_reply($$@) {
1175 my ($self, $id, %msg) = @_; 1720 my ($self, $id, @msg) = @_;
1176 1721
1177 $msg{msgid} = $id; 1722 $self->ns->ext_reply ($id, @msg)
1178
1179 $self->send ("ext " . cf::to_json \%msg);
1180} 1723}
1181 1724
1182=item $player->ext_event ($type, %msg) 1725=item $player->ext_msg ($type, @msg)
1183 1726
1184Sends an ext event to the client. 1727Sends an ext event to the client.
1185 1728
1186=cut 1729=cut
1187 1730
1188sub ext_event($$%) { 1731sub ext_msg($$@) {
1189 my ($self, $type, %msg) = @_; 1732 my ($self, $type, @msg) = @_;
1190 1733
1191 $self->ns->ext_event ($type, %msg); 1734 $self->ns->ext_msg ($type, @msg);
1192} 1735}
1193 1736
1194=head3 cf::region 1737=head3 cf::region
1195 1738
1196=over 4 1739=over 4
1199 1742
1200package cf::region; 1743package cf::region;
1201 1744
1202=item cf::region::find_by_path $path 1745=item cf::region::find_by_path $path
1203 1746
1204Tries to decuce the probable region for a map knowing only its path. 1747Tries to decuce the likely region for a map knowing only its path.
1205 1748
1206=cut 1749=cut
1207 1750
1208sub find_by_path($) { 1751sub find_by_path($) {
1209 my ($path) = @_; 1752 my ($path) = @_;
1210 1753
1211 my ($match, $specificity); 1754 my ($match, $specificity);
1212 1755
1213 for my $region (list) { 1756 for my $region (list) {
1214 if ($region->match && $path =~ $region->match) { 1757 if ($region->{match} && $path =~ $region->{match}) {
1215 ($match, $specificity) = ($region, $region->specificity) 1758 ($match, $specificity) = ($region, $region->specificity)
1216 if $region->specificity > $specificity; 1759 if $region->specificity > $specificity;
1217 } 1760 }
1218 } 1761 }
1219 1762
1240our $MAX_RESET = 3600; 1783our $MAX_RESET = 3600;
1241our $DEFAULT_RESET = 3000; 1784our $DEFAULT_RESET = 3000;
1242 1785
1243sub generate_random_map { 1786sub generate_random_map {
1244 my ($self, $rmp) = @_; 1787 my ($self, $rmp) = @_;
1788
1789 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1790
1245 # mit "rum" bekleckern, nicht 1791 # mit "rum" bekleckern, nicht
1246 $self->_create_random_map ( 1792 $self->_create_random_map (
1247 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1793 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1794 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1795 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1283 my ($self, $merge) = @_; 1829 my ($self, $merge) = @_;
1284 1830
1285 # we have to keep some variables in memory intact 1831 # we have to keep some variables in memory intact
1286 local $self->{path}; 1832 local $self->{path};
1287 local $self->{load_path}; 1833 local $self->{load_path};
1288 local $self->{deny_save};
1289 local $self->{deny_reset};
1290 1834
1291 $self->SUPER::thawer_merge ($merge); 1835 $self->SUPER::thawer_merge ($merge);
1292} 1836}
1293 1837
1294sub normalise { 1838sub normalise {
1341 $self->init; # pass $1 etc. 1885 $self->init; # pass $1 etc.
1342 return $self; 1886 return $self;
1343 } 1887 }
1344 } 1888 }
1345 1889
1346 Carp::carp "unable to resolve path '$path' (base '$base')."; 1890 Carp::cluck "unable to resolve path '$path' (base '$base').";
1347 () 1891 ()
1348} 1892}
1349 1893
1350sub init { 1894sub init {
1351 my ($self) = @_; 1895 my ($self) = @_;
1373 1917
1374# the temporary/swap location 1918# the temporary/swap location
1375sub save_path { 1919sub save_path {
1376 my ($self) = @_; 1920 my ($self) = @_;
1377 1921
1378 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379 "$TMPDIR/$path.map" 1923 "$TMPDIR/$path.map"
1380} 1924}
1381 1925
1382# the unique path, undef == no special unique path 1926# the unique path, undef == no special unique path
1383sub uniq_path { 1927sub uniq_path {
1384 my ($self) = @_; 1928 my ($self) = @_;
1385 1929
1386 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1930 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387 "$UNIQUEDIR/$path" 1931 "$UNIQUEDIR/$path"
1388} 1932}
1389 1933
1390# and all this just because we cannot iterate over 1934# and all this just because we cannot iterate over
1391# all maps in C++... 1935# all maps in C++...
1394 1938
1395 $_->change_map_light ($change) 1939 $_->change_map_light ($change)
1396 for grep $_->outdoor, values %cf::MAP; 1940 for grep $_->outdoor, values %cf::MAP;
1397} 1941}
1398 1942
1943sub decay_objects {
1944 my ($self) = @_;
1945
1946 return if $self->{deny_reset};
1947
1948 $self->do_decay_objects;
1949}
1950
1399sub unlink_save { 1951sub unlink_save {
1400 my ($self) = @_; 1952 my ($self) = @_;
1401 1953
1402 utf8::encode (my $save = $self->save_path); 1954 utf8::encode (my $save = $self->save_path);
1403 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1955 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1406 1958
1407sub load_header_from($) { 1959sub load_header_from($) {
1408 my ($self, $path) = @_; 1960 my ($self, $path) = @_;
1409 1961
1410 utf8::encode $path; 1962 utf8::encode $path;
1411 #aio_open $path, O_RDONLY, 0 1963 my $f = new_from_file cf::object::thawer $path
1412 # or return;
1413
1414 $self->_load_header ($path)
1415 or return; 1964 or return;
1965
1966 $self->_load_header ($f)
1967 or return;
1968
1969 local $MAP_LOADING{$self->{path}} = $self;
1970 $f->resolve_delayed_derefs;
1416 1971
1417 $self->{load_path} = $path; 1972 $self->{load_path} = $path;
1418 1973
1419 1 1974 1
1420} 1975}
1459 $self->load_header_orig 2014 $self->load_header_orig
1460 or return; 2015 or return;
1461 $self->prepare_orig; 2016 $self->prepare_orig;
1462 } 2017 }
1463 2018
2019 $self->{deny_reset} = 1
2020 if $self->no_reset;
2021
1464 $self->default_region (cf::region::find_by_path $self->{path}) 2022 $self->default_region (cf::region::find_by_path $self->{path})
1465 unless $self->default_region; 2023 unless $self->default_region;
1466 2024
1467 1 2025 1
1468} 2026}
1471sub find { 2029sub find {
1472 my ($path, $origin) = @_; 2030 my ($path, $origin) = @_;
1473 2031
1474 $path = normalise $path, $origin && $origin->path; 2032 $path = normalise $path, $origin && $origin->path;
1475 2033
2034 cf::lock_wait "map_data:$path";#d#remove
1476 cf::lock_wait "map_find:$path"; 2035 cf::lock_wait "map_find:$path";
1477 2036
1478 $cf::MAP{$path} || do { 2037 $cf::MAP{$path} || do {
2038 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479 my $guard = cf::lock_acquire "map_find:$path"; 2039 my $guard2 = cf::lock_acquire "map_find:$path";
2040
1480 my $map = new_from_path cf::map $path 2041 my $map = new_from_path cf::map $path
1481 or return; 2042 or return;
1482 2043
1483 $map->{last_save} = $cf::RUNTIME; 2044 $map->{last_save} = $cf::RUNTIME;
1484 2045
1485 $map->load_header 2046 $map->load_header
1486 or return; 2047 or return;
1487 2048
1488 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2049 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489 # doing this can freeze the server in a sync job, obviously 2050 # doing this can freeze the server in a sync job, obviously
1490 #$cf::WAIT_FOR_TICK->wait; 2051 #$cf::WAIT_FOR_TICK->wait;
2052 undef $guard2;
2053 undef $guard1;
1491 $map->reset; 2054 $map->reset;
1492 undef $guard;
1493 return find $path; 2055 return find $path;
1494 } 2056 }
1495 2057
1496 $cf::MAP{$path} = $map 2058 $cf::MAP{$path} = $map
1497 } 2059 }
1506 local $self->{deny_reset} = 1; # loading can take a long time 2068 local $self->{deny_reset} = 1; # loading can take a long time
1507 2069
1508 my $path = $self->{path}; 2070 my $path = $self->{path};
1509 2071
1510 { 2072 {
1511 my $guard = cf::lock_acquire "map_load:$path"; 2073 my $guard = cf::lock_acquire "map_data:$path";
1512 2074
2075 return unless $self->valid;
1513 return if $self->in_memory != cf::MAP_SWAPPED; 2076 return unless $self->in_memory == cf::MAP_SWAPPED;
1514 2077
1515 $self->in_memory (cf::MAP_LOADING); 2078 $self->in_memory (cf::MAP_LOADING);
1516 2079
1517 $self->alloc; 2080 $self->alloc;
1518 2081
1519 $self->pre_load; 2082 $self->pre_load;
1520 Coro::cede; 2083 cf::cede_to_tick;
1521 2084
2085 my $f = new_from_file cf::object::thawer $self->{load_path};
2086 $f->skip_block;
1522 $self->_load_objects ($self->{load_path}, 1) 2087 $self->_load_objects ($f)
1523 or return; 2088 or return;
1524 2089
1525 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2090 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526 if delete $self->{load_original}; 2091 if delete $self->{load_original};
1527 2092
1528 if (my $uniq = $self->uniq_path) { 2093 if (my $uniq = $self->uniq_path) {
1529 utf8::encode $uniq; 2094 utf8::encode $uniq;
1530 if (aio_open $uniq, O_RDONLY, 0) { 2095 unless (aio_stat $uniq) {
2096 if (my $f = new_from_file cf::object::thawer $uniq) {
1531 $self->clear_unique_items; 2097 $self->clear_unique_items;
1532 $self->_load_objects ($uniq, 0); 2098 $self->_load_objects ($f);
2099 $f->resolve_delayed_derefs;
2100 }
1533 } 2101 }
1534 } 2102 }
1535 2103
1536 Coro::cede; 2104 $f->resolve_delayed_derefs;
2105
2106 cf::cede_to_tick;
1537 # now do the right thing for maps 2107 # now do the right thing for maps
1538 $self->link_multipart_objects; 2108 $self->link_multipart_objects;
1539 $self->difficulty ($self->estimate_difficulty) 2109 $self->difficulty ($self->estimate_difficulty)
1540 unless $self->difficulty; 2110 unless $self->difficulty;
1541 Coro::cede; 2111 cf::cede_to_tick;
1542 2112
1543 unless ($self->{deny_activate}) { 2113 unless ($self->{deny_activate}) {
1544 $self->decay_objects; 2114 $self->decay_objects;
1545 $self->fix_auto_apply; 2115 $self->fix_auto_apply;
1546 $self->update_buttons; 2116 $self->update_buttons;
1547 Coro::cede; 2117 cf::cede_to_tick;
1548 $self->set_darkness_map; 2118 $self->set_darkness_map;
1549 Coro::cede; 2119 cf::cede_to_tick;
1550 $self->activate; 2120 $self->activate;
1551 } 2121 }
1552 2122
2123 $self->{last_save} = $cf::RUNTIME;
2124 $self->last_access ($cf::RUNTIME);
2125
1553 $self->in_memory (cf::MAP_IN_MEMORY); 2126 $self->in_memory (cf::MAP_ACTIVE);
1554 } 2127 }
1555 2128
1556 $self->post_load; 2129 $self->post_load;
1557} 2130}
1558 2131
1560 my ($self, $ob) = @_; 2133 my ($self, $ob) = @_;
1561 2134
1562 return find "~" . $ob->name . "/" . $self->{path} 2135 return find "~" . $ob->name . "/" . $self->{path}
1563 if $self->per_player; 2136 if $self->per_player;
1564 2137
2138# return find "?party/" . $ob->name . "/" . $self->{path}
2139# if $self->per_party;
2140
1565 $self 2141 $self
1566} 2142}
1567 2143
1568# find and load all maps in the 3x3 area around a map 2144# find and load all maps in the 3x3 area around a map
1569sub load_diag { 2145sub load_neighbours {
1570 my ($map) = @_; 2146 my ($map) = @_;
1571 2147
1572 my @diag; # diagonal neighbours 2148 my @neigh; # diagonal neighbours
1573 2149
1574 for (0 .. 3) { 2150 for (0 .. 3) {
1575 my $neigh = $map->tile_path ($_) 2151 my $neigh = $map->tile_path ($_)
1576 or next; 2152 or next;
1577 $neigh = find $neigh, $map 2153 $neigh = find $neigh, $map
1578 or next; 2154 or next;
1579 $neigh->load; 2155 $neigh->load;
1580 2156
2157 push @neigh,
1581 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2158 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2159 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1583 } 2160 }
1584 2161
1585 for (@diag) { 2162 for (grep defined $_->[0], @neigh) {
2163 my ($path, $origin) = @$_;
1586 my $neigh = find @$_ 2164 my $neigh = find $path, $origin
1587 or next; 2165 or next;
1588 $neigh->load; 2166 $neigh->load;
1589 } 2167 }
1590} 2168}
1591 2169
1596} 2174}
1597 2175
1598sub do_load_sync { 2176sub do_load_sync {
1599 my ($map) = @_; 2177 my ($map) = @_;
1600 2178
2179 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2180 if $Coro::current == $Coro::main;
2181
1601 cf::sync_job { $map->load }; 2182 cf::sync_job { $map->load };
1602} 2183}
1603 2184
1604our %MAP_PREFETCH; 2185our %MAP_PREFETCH;
1605our $MAP_PREFETCHER = undef; 2186our $MAP_PREFETCHER = undef;
1606 2187
1607sub find_async { 2188sub find_async {
1608 my ($path, $origin) = @_; 2189 my ($path, $origin, $load) = @_;
1609 2190
1610 $path = normalise $path, $origin && $origin->{path}; 2191 $path = normalise $path, $origin && $origin->{path};
1611 2192
1612 if (my $map = $cf::MAP{$path}) { 2193 if (my $map = $cf::MAP{$path}) {
1613 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2194 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614 } 2195 }
1615 2196
1616 undef $MAP_PREFETCH{$path}; 2197 $MAP_PREFETCH{$path} |= $load;
2198
1617 $MAP_PREFETCHER ||= cf::async { 2199 $MAP_PREFETCHER ||= cf::async {
2200 $Coro::current->{desc} = "map prefetcher";
2201
1618 while (%MAP_PREFETCH) { 2202 while (%MAP_PREFETCH) {
1619 for my $path (keys %MAP_PREFETCH) { 2203 while (my ($k, $v) = each %MAP_PREFETCH) {
1620 my $map = find $path 2204 if (my $map = find $k) {
1621 or next;
1622 $map->load; 2205 $map->load if $v;
2206 }
1623 2207
1624 delete $MAP_PREFETCH{$path}; 2208 delete $MAP_PREFETCH{$k};
1625 } 2209 }
1626 } 2210 }
1627 undef $MAP_PREFETCHER; 2211 undef $MAP_PREFETCHER;
1628 }; 2212 };
1629 $MAP_PREFETCHER->prio (6); 2213 $MAP_PREFETCHER->prio (6);
1632} 2216}
1633 2217
1634sub save { 2218sub save {
1635 my ($self) = @_; 2219 my ($self) = @_;
1636 2220
1637 my $lock = cf::lock_acquire "map_data:" . $self->path; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2222
1639 $self->{last_save} = $cf::RUNTIME; 2223 $self->{last_save} = $cf::RUNTIME;
1640 2224
1641 return unless $self->dirty; 2225 return unless $self->dirty;
1642 2226
1648 return if $self->{deny_save}; 2232 return if $self->{deny_save};
1649 2233
1650 local $self->{last_access} = $self->last_access;#d# 2234 local $self->{last_access} = $self->last_access;#d#
1651 2235
1652 cf::async { 2236 cf::async {
2237 $Coro::current->{desc} = "map player save";
1653 $_->contr->save for $self->players; 2238 $_->contr->save for $self->players;
1654 }; 2239 };
2240
2241 cf::get_slot 0.02;
1655 2242
1656 if ($uniq) { 2243 if ($uniq) {
1657 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2244 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2245 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1659 } else { 2246 } else {
1665 my ($self) = @_; 2252 my ($self) = @_;
1666 2253
1667 # save first because save cedes 2254 # save first because save cedes
1668 $self->save; 2255 $self->save;
1669 2256
1670 my $lock = cf::lock_acquire "map_data:" . $self->path; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
1671 2258
1672 return if $self->players; 2259 return if $self->players;
1673 return if $self->in_memory != cf::MAP_IN_MEMORY; 2260 return if $self->in_memory != cf::MAP_ACTIVE;
1674 return if $self->{deny_save}; 2261 return if $self->{deny_save};
1675 2262
2263 $self->in_memory (cf::MAP_SWAPPED);
2264
2265 $self->deactivate;
2266 $_->clear_links_to ($self) for values %cf::MAP;
1676 $self->clear; 2267 $self->clear;
1677 $self->in_memory (cf::MAP_SWAPPED);
1678} 2268}
1679 2269
1680sub reset_at { 2270sub reset_at {
1681 my ($self) = @_; 2271 my ($self) = @_;
1682 2272
1683 # TODO: safety, remove and allow resettable per-player maps 2273 # TODO: safety, remove and allow resettable per-player maps
1684 return 1e99 if $self->isa ("ext::map_per_player");#d#
1685 return 1e99 if $self->{deny_reset}; 2274 return 1e99 if $self->{deny_reset};
1686 2275
1687 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2276 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2277 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689 2278
1700 my ($self) = @_; 2289 my ($self) = @_;
1701 2290
1702 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2291 my $lock = cf::lock_acquire "map_data:$self->{path}";
1703 2292
1704 return if $self->players; 2293 return if $self->players;
1705 return if $self->isa ("ext::map_per_player");#d#
1706 2294
1707 warn "resetting map ", $self->path;#d# 2295 warn "resetting map ", $self->path;
1708 2296
1709 $self->in_memory (cf::MAP_SWAPPED); 2297 $self->in_memory (cf::MAP_SWAPPED);
1710 2298
1711 # need to save uniques path 2299 # need to save uniques path
1712 unless ($self->{deny_save}) { 2300 unless ($self->{deny_save}) {
1716 if $uniq; 2304 if $uniq;
1717 } 2305 }
1718 2306
1719 delete $cf::MAP{$self->path}; 2307 delete $cf::MAP{$self->path};
1720 2308
2309 $self->deactivate;
2310 $_->clear_links_to ($self) for values %cf::MAP;
1721 $self->clear; 2311 $self->clear;
1722
1723 $_->clear_links_to ($self) for values %cf::MAP;
1724 2312
1725 $self->unlink_save; 2313 $self->unlink_save;
1726 $self->destroy; 2314 $self->destroy;
1727} 2315}
1728 2316
1729my $nuke_counter = "aaaa"; 2317my $nuke_counter = "aaaa";
1730 2318
1731sub nuke { 2319sub nuke {
1732 my ($self) = @_; 2320 my ($self) = @_;
1733 2321
2322 {
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
1734 delete $cf::MAP{$self->path}; 2325 delete $cf::MAP{$self->path};
1735 2326
1736 $self->unlink_save; 2327 $self->unlink_save;
1737 2328
1738 bless $self, "cf::map"; 2329 bless $self, "cf::map";
1739 delete $self->{deny_reset}; 2330 delete $self->{deny_reset};
1740 $self->{deny_save} = 1; 2331 $self->{deny_save} = 1;
1741 $self->reset_timeout (1); 2332 $self->reset_timeout (1);
1742 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2333 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743 2334
1744 $cf::MAP{$self->path} = $self; 2335 $cf::MAP{$self->path} = $self;
2336 }
1745 2337
1746 $self->reset; # polite request, might not happen 2338 $self->reset; # polite request, might not happen
2339}
2340
2341=item $maps = cf::map::tmp_maps
2342
2343Returns an arrayref with all map paths of currently instantiated and saved
2344maps. May block.
2345
2346=cut
2347
2348sub tmp_maps() {
2349 [
2350 map {
2351 utf8::decode $_;
2352 /\.map$/
2353 ? normalise $_
2354 : ()
2355 } @{ aio_readdir $TMPDIR or [] }
2356 ]
2357}
2358
2359=item $maps = cf::map::random_maps
2360
2361Returns an arrayref with all map paths of currently instantiated and saved
2362random maps. May block.
2363
2364=cut
2365
2366sub random_maps() {
2367 [
2368 map {
2369 utf8::decode $_;
2370 /\.map$/
2371 ? normalise "?random/$_"
2372 : ()
2373 } @{ aio_readdir $RANDOMDIR or [] }
2374 ]
1747} 2375}
1748 2376
1749=item cf::map::unique_maps 2377=item cf::map::unique_maps
1750 2378
1751Returns an arrayref of paths of all shared maps that have 2379Returns an arrayref of paths of all shared maps that have
1752instantiated unique items. May block. 2380instantiated unique items. May block.
1753 2381
1754=cut 2382=cut
1755 2383
1756sub unique_maps() { 2384sub unique_maps() {
1757 my $files = aio_readdir $UNIQUEDIR 2385 [
1758 or return; 2386 map {
1759
1760 my @paths;
1761
1762 for (@$files) {
1763 utf8::decode $_; 2387 utf8::decode $_;
1764 next if /\.pst$/; 2388 s/\.map$//; # TODO future compatibility hack
1765 next unless /^$PATH_SEP/o; 2389 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766 2390 ? ()
1767 push @paths, cf::map::normalise $_; 2391 : normalise $_
2392 } @{ aio_readdir $UNIQUEDIR or [] }
1768 } 2393 ]
1769
1770 \@paths
1771} 2394}
1772
1773package cf;
1774 2395
1775=back 2396=back
1776 2397
1777=head3 cf::object 2398=head3 cf::object
1778 2399
1782 2403
1783=over 4 2404=over 4
1784 2405
1785=item $ob->inv_recursive 2406=item $ob->inv_recursive
1786 2407
1787Returns the inventory of the object _and_ their inventories, recursively. 2408Returns the inventory of the object I<and> their inventories, recursively,
2409but I<not> the object itself.
1788 2410
1789=cut 2411=cut
1790 2412
1791sub inv_recursive_; 2413sub inv_recursive_;
1792sub inv_recursive_ { 2414sub inv_recursive_ {
1795 2417
1796sub inv_recursive { 2418sub inv_recursive {
1797 inv_recursive_ inv $_[0] 2419 inv_recursive_ inv $_[0]
1798} 2420}
1799 2421
2422=item $ref = $ob->ref
2423
2424Creates and returns a persistent reference to an object that can be stored as a string.
2425
2426=item $ob = cf::object::deref ($refstring)
2427
2428returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2429even if the object actually exists. May block.
2430
2431=cut
2432
2433sub deref {
2434 my ($ref) = @_;
2435
2436 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2437 my ($uuid, $name) = ($1, $2);
2438 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2439 or return;
2440 $pl->ob->uuid eq $uuid
2441 or return;
2442
2443 $pl->ob
2444 } else {
2445 warn "$ref: cannot resolve object reference\n";
2446 undef
2447 }
2448}
2449
1800package cf; 2450package cf;
1801 2451
1802=back 2452=back
1803 2453
1804=head3 cf::object::player 2454=head3 cf::object::player
1810Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2460Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811can be C<undef>. Does the right thing when the player is currently in a 2461can be C<undef>. Does the right thing when the player is currently in a
1812dialogue with the given NPC character. 2462dialogue with the given NPC character.
1813 2463
1814=cut 2464=cut
2465
2466our $SAY_CHANNEL = {
2467 id => "say",
2468 title => "Map",
2469 reply => "say ",
2470 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2471};
2472
2473our $CHAT_CHANNEL = {
2474 id => "chat",
2475 title => "Chat",
2476 reply => "chat ",
2477 tooltip => "Player chat and shouts, global to the server.",
2478};
1815 2479
1816# rough implementation of a future "reply" method that works 2480# rough implementation of a future "reply" method that works
1817# with dialog boxes. 2481# with dialog boxes.
1818#TODO: the first argument must go, split into a $npc->reply_to ( method 2482#TODO: the first argument must go, split into a $npc->reply_to ( method
1819sub cf::object::player::reply($$$;$) { 2483sub cf::object::player::reply($$$;$) {
1821 2485
1822 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2486 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823 2487
1824 if ($self->{record_replies}) { 2488 if ($self->{record_replies}) {
1825 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2489 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2490
1826 } else { 2491 } else {
2492 my $pl = $self->contr;
2493
2494 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2495 my $dialog = $pl->{npc_dialog};
2496 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2497
2498 } else {
1827 $msg = $npc->name . " says: $msg" if $npc; 2499 $msg = $npc->name . " says: $msg" if $npc;
1828 $self->message ($msg, $flags); 2500 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2501 }
1829 } 2502 }
2503}
2504
2505=item $object->send_msg ($channel, $msg, $color, [extra...])
2506
2507=cut
2508
2509sub cf::object::send_msg {
2510 my $pl = shift->contr
2511 or return;
2512 $pl->send_msg (@_);
1830} 2513}
1831 2514
1832=item $player_object->may ("access") 2515=item $player_object->may ("access")
1833 2516
1834Returns wether the given player is authorized to access resource "access" 2517Returns wether the given player is authorized to access resource "access"
1881 $self->deactivate_recursive; 2564 $self->deactivate_recursive;
1882 2565
1883 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2566 return if UNIVERSAL::isa $self->map, "ext::map_link";
1884 2567
1885 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886 if $self->map; 2569 if $self->map && $self->map->{path} ne "{link}";
1887 2570
1888 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2571 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1889} 2572}
1890 2573
1891sub cf::object::player::leave_link { 2574sub cf::object::player::leave_link {
1892 my ($self, $map, $x, $y) = @_; 2575 my ($self, $map, $x, $y) = @_;
2576
2577 return unless $self->contr->active;
1893 2578
1894 my $link_pos = delete $self->{_link_pos}; 2579 my $link_pos = delete $self->{_link_pos};
1895 2580
1896 unless ($map) { 2581 unless ($map) {
1897 # restore original map position 2582 # restore original map position
1911 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
1912 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
1913 if $x <=0 && $y <= 0; 2598 if $x <=0 && $y <= 0;
1914 2599
1915 $map->load; 2600 $map->load;
1916 $map->load_diag; 2601 $map->load_neighbours;
1917 2602
1918 return unless $self->contr->active; 2603 return unless $self->contr->active;
1919 $self->activate_recursive; 2604 $self->activate_recursive;
1920 2605
1921 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2606 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922 $self->enter_map ($map, $x, $y); 2607 $self->enter_map ($map, $x, $y);
1923} 2608}
1924 2609
1925cf::player->attach ( 2610=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926 on_logout => sub {
1927 my ($pl) = @_;
1928 2611
1929 # abort map switching before logout 2612Moves the player to the given map-path and coordinates by first freezing
1930 if ($pl->ob->{_link_pos}) { 2613her, loading and preparing them map, calling the provided $check callback
1931 cf::sync_job { 2614that has to return the map if sucecssful, and then unfreezes the player on
1932 $pl->ob->leave_link 2615the new (success) or old (failed) map position. In either case, $done will
1933 }; 2616be called at the end of this process.
1934 }
1935 },
1936 on_login => sub {
1937 my ($pl) = @_;
1938 2617
1939 # try to abort aborted map switching on player login :)
1940 # should happen only on crashes
1941 if ($pl->ob->{_link_pos}) {
1942 $pl->ob->enter_link;
1943 (async {
1944 $pl->ob->reply (undef,
1945 "There was an internal problem at your last logout, "
1946 . "the server will try to bring you to your intended destination in a second.",
1947 cf::NDI_RED);
1948 # we need this sleep as the login has a concurrent enter_exit running
1949 # and this sleep increases chances of the player not ending up in scorn
1950 Coro::Timer::sleep 1;
1951 $pl->ob->leave_link;
1952 })->prio (2);
1953 }
1954 },
1955);
1956
1957=item $player_object->goto ($path, $x, $y)
1958
1959=cut 2618=cut
2619
2620our $GOTOGEN;
1960 2621
1961sub cf::object::player::goto { 2622sub cf::object::player::goto {
1962 my ($self, $path, $x, $y) = @_; 2623 my ($self, $path, $x, $y, $check, $done) = @_;
2624
2625 # do generation counting so two concurrent goto's will be executed in-order
2626 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963 2627
1964 $self->enter_link; 2628 $self->enter_link;
1965 2629
1966 (async { 2630 (async {
2631 $Coro::current->{desc} = "player::goto $path $x $y";
2632
2633 # *tag paths override both path and x|y
2634 if ($path =~ /^\*(.*)$/) {
2635 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2636 my $ob = $obs[rand @obs];
2637
2638 # see if we actually can go there
2639 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2640 $ob = $obs[rand @obs];
2641 } else {
2642 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2643 }
2644 # else put us there anyways for now #d#
2645
2646 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2647 } else {
2648 ($path, $x, $y) = (undef, undef, undef);
2649 }
2650 }
2651
1967 my $map = eval { 2652 my $map = eval {
1968 my $map = cf::map::find $path; 2653 my $map = defined $path ? cf::map::find $path : undef;
2654
2655 if ($map) {
1969 $map = $map->customise_for ($self) if $map; 2656 $map = $map->customise_for ($self);
2657 $map = $check->($map) if $check && $map;
2658 } else {
2659 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2660 }
2661
1970 $map 2662 $map
2663 };
2664
2665 if ($@) {
2666 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2667 LOG llevError | logBacktrace, Carp::longmess $@;
1971 } or 2668 }
1972 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973 2669
2670 if ($gen == $self->{_goto_generation}) {
2671 delete $self->{_goto_generation};
1974 $self->leave_link ($map, $x, $y); 2672 $self->leave_link ($map, $x, $y);
2673 }
2674
2675 $done->() if $done;
1975 })->prio (1); 2676 })->prio (1);
1976} 2677}
1977 2678
1978=item $player_object->enter_exit ($exit_object) 2679=item $player_object->enter_exit ($exit_object)
1979 2680
1999} 2700}
2000 2701
2001sub prepare_random_map { 2702sub prepare_random_map {
2002 my ($exit) = @_; 2703 my ($exit) = @_;
2003 2704
2004 my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006 # all this does is basically replace the /! path by 2705 # all this does is basically replace the /! path by
2007 # a new random map path (?random/...) with a seed 2706 # a new random map path (?random/...) with a seed
2008 # that depends on the exit object 2707 # that depends on the exit object
2009 2708
2010 my $rmp = parse_random_map_params $exit->msg; 2709 my $rmp = parse_random_map_params $exit->msg;
2012 if ($exit->map) { 2711 if ($exit->map) {
2013 $rmp->{region} = $exit->region->name; 2712 $rmp->{region} = $exit->region->name;
2014 $rmp->{origin_map} = $exit->map->path; 2713 $rmp->{origin_map} = $exit->map->path;
2015 $rmp->{origin_x} = $exit->x; 2714 $rmp->{origin_x} = $exit->x;
2016 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
2716
2717 $exit->map->touch;
2017 } 2718 }
2018 2719
2019 $rmp->{random_seed} ||= $exit->random_seed; 2720 $rmp->{random_seed} ||= $exit->random_seed;
2020 2721
2021 my $data = cf::to_json $rmp; 2722 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022 my $md5 = Digest::MD5::md5_hex $data; 2723 my $md5 = Digest::MD5::md5_hex $data;
2023 my $meta = "$RANDOMDIR/$md5.meta"; 2724 my $meta = "$RANDOMDIR/$md5.meta";
2024 2725
2025 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2726 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026 aio_write $fh, 0, (length $data), $data, 0; 2727 aio_write $fh, 0, (length $data), $data, 0;
2027 undef $fh; 2728 undef $fh;
2028 aio_rename "$meta~", $meta; 2729 aio_rename "$meta~", $meta;
2029 2730
2731 my $slaying = "?random/$md5";
2732
2733 if ($exit->valid) {
2030 $exit->slaying ("?random/$md5"); 2734 $exit->slaying ("?random/$md5");
2031 $exit->msg (undef); 2735 $exit->msg (undef);
2736 }
2032 } 2737 }
2033} 2738}
2034 2739
2035sub cf::object::player::enter_exit { 2740sub cf::object::player::enter_exit {
2036 my ($self, $exit) = @_; 2741 my ($self, $exit) = @_;
2037 2742
2038 return unless $self->type == cf::PLAYER; 2743 return unless $self->type == cf::PLAYER;
2039 2744
2040 if ($exit->slaying eq "/!") {
2041 #TODO: this should de-fi-ni-te-ly not be a sync-job
2042 # the problem is that $exit might not survive long enough
2043 # so it needs to be done right now, right here
2044 cf::sync_job { prepare_random_map $exit };
2045 }
2046
2047 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048 my $hp = $exit->stats->hp;
2049 my $sp = $exit->stats->sp;
2050
2051 $self->enter_link; 2745 $self->enter_link;
2052 2746
2053 (async { 2747 (async {
2054 $self->deactivate_recursive; # just to be sure 2748 $Coro::current->{desc} = "enter_exit";
2749
2055 unless (eval { 2750 unless (eval {
2751 $self->deactivate_recursive; # just to be sure
2752
2753 # random map handling
2754 {
2755 my $guard = cf::lock_acquire "exit_prepare:$exit";
2756
2757 prepare_random_map $exit
2758 if $exit->slaying eq "/!";
2759 }
2760
2761 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2762 my $x = $exit->stats->hp;
2763 my $y = $exit->stats->sp;
2764
2056 $self->goto ($slaying, $hp, $sp); 2765 $self->goto ($map, $x, $y);
2057 2766
2767 # if exit is damned, update players death & WoR home-position
2768 $self->contr->savebed ($map, $x, $y)
2769 if $exit->flag (cf::FLAG_DAMNED);
2770
2058 1; 2771 1
2059 }) { 2772 }) {
2060 $self->message ("Something went wrong deep within the crossfire server. " 2773 $self->message ("Something went wrong deep within the crossfire server. "
2061 . "I'll try to bring you back to the map you were before. " 2774 . "I'll try to bring you back to the map you were before. "
2062 . "Please report this to the dungeon master!", 2775 . "Please report this to the dungeon master!",
2063 cf::NDI_UNIQUE | cf::NDI_RED); 2776 cf::NDI_UNIQUE | cf::NDI_RED);
2084 2797
2085 utf8::encode $text; 2798 utf8::encode $text;
2086 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2799 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087} 2800}
2088 2801
2802=item $client->send_msg ($channel, $msg, $color, [extra...])
2803
2804Send a drawinfo or msg packet to the client, formatting the msg for the
2805client if neccessary. C<$type> should be a string identifying the type of
2806the message, with C<log> being the default. If C<$color> is negative, suppress
2807the message unless the client supports the msg packet.
2808
2809=cut
2810
2811# non-persistent channels (usually the info channel)
2812our %CHANNEL = (
2813 "c/identify" => {
2814 id => "infobox",
2815 title => "Identify",
2816 reply => undef,
2817 tooltip => "Items recently identified",
2818 },
2819 "c/examine" => {
2820 id => "infobox",
2821 title => "Examine",
2822 reply => undef,
2823 tooltip => "Signs and other items you examined",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/uptime" => {
2850 id => "infobox",
2851 title => "Uptime",
2852 reply => undef,
2853 tooltip => "How long the server has been running since last restart",
2854 },
2855 "c/mapinfo" => {
2856 id => "infobox",
2857 title => "Map Info",
2858 reply => undef,
2859 tooltip => "Information related to the maps",
2860 },
2861 "c/party" => {
2862 id => "party",
2863 title => "Party",
2864 reply => "gsay ",
2865 tooltip => "Messages and chat related to your party",
2866 },
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg);
2873
2874 $color &= cf::NDI_CLIENT_MASK; # just in case...
2875
2876 # check predefined channels, for the benefit of C
2877 if ($CHANNEL{$channel}) {
2878 $channel = $CHANNEL{$channel};
2879
2880 $self->ext_msg (channel_info => $channel)
2881 if $self->can_msg;
2882
2883 $channel = $channel->{id};
2884
2885 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891 }
2892
2893 $channel = $channel->{id};
2894 }
2895
2896 return unless @extra || length $msg;
2897
2898 if ($self->can_msg) {
2899 # default colour, mask it out
2900 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901 if $color & cf::NDI_DEF;
2902
2903 $self->send_packet ("msg " . $self->{json_coder}->encode (
2904 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2905 } else {
2906 if ($color >= 0) {
2907 # replace some tags by gcfclient-compatible ones
2908 for ($msg) {
2909 1 while
2910 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915 }
2916
2917 $color &= cf::NDI_COLOR_MASK;
2918
2919 utf8::encode $msg;
2920
2921 if (0 && $msg =~ /\[/) {
2922 # COMMAND/INFO
2923 $self->send_packet ("drawextinfo $color 10 8 $msg")
2924 } else {
2925 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926 $self->send_packet ("drawinfo $color $msg")
2927 }
2928 }
2929 }
2930}
2931
2089=item $client->ext_event ($type, %msg) 2932=item $client->ext_msg ($type, @msg)
2090 2933
2091Sends an exti event to the client. 2934Sends an ext event to the client.
2092 2935
2093=cut 2936=cut
2094 2937
2095sub cf::client::ext_event($$%) { 2938sub cf::client::ext_msg($$@) {
2096 my ($self, $type, %msg) = @_; 2939 my ($self, $type, @msg) = @_;
2097 2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943 } elsif ($self->extcmd == 1) { # TODO: remove
2098 $msg{msgtype} = "event_$type"; 2944 push @msg, msgtype => "event_$type";
2099 $self->send_packet ("ext " . cf::to_json \%msg); 2945 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946 }
2947}
2948
2949=item $client->ext_reply ($msgid, @msg)
2950
2951Sends an ext reply to the client.
2952
2953=cut
2954
2955sub cf::client::ext_reply($$@) {
2956 my ($self, $id, @msg) = @_;
2957
2958 if ($self->extcmd == 2) {
2959 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960 } elsif ($self->extcmd == 1) {
2961 #TODO: version 1, remove
2962 unshift @msg, msgtype => "reply", msgid => $id;
2963 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964 }
2100} 2965}
2101 2966
2102=item $success = $client->query ($flags, "text", \&cb) 2967=item $success = $client->query ($flags, "text", \&cb)
2103 2968
2104Queues a query to the client, calling the given callback with 2969Queues a query to the client, calling the given callback with
2105the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2970the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2971C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107 2972
2108Queries can fail, so check the return code. Or don't, as queries will become 2973Queries can fail, so check the return code. Or don't, as queries will
2109reliable at some point in the future. 2974become reliable at some point in the future.
2110 2975
2111=cut 2976=cut
2112 2977
2113sub cf::client::query { 2978sub cf::client::query {
2114 my ($self, $flags, $text, $cb) = @_; 2979 my ($self, $flags, $text, $cb) = @_;
2122 utf8::encode $text; 2987 utf8::encode $text;
2123 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2988 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124 2989
2125 $self->send_packet ($self->{query_queue}[0][0]) 2990 $self->send_packet ($self->{query_queue}[0][0])
2126 if @{ $self->{query_queue} } == 1; 2991 if @{ $self->{query_queue} } == 1;
2992
2993 1
2127} 2994}
2128 2995
2129cf::client->attach ( 2996cf::client->attach (
2997 on_connect => sub {
2998 my ($ns) = @_;
2999
3000 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3001 },
2130 on_reply => sub { 3002 on_reply => sub {
2131 my ($ns, $msg) = @_; 3003 my ($ns, $msg) = @_;
2132 3004
2133 # this weird shuffling is so that direct followup queries 3005 # this weird shuffling is so that direct followup queries
2134 # get handled first 3006 # get handled first
2146 } else { 3018 } else {
2147 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3019 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148 } 3020 }
2149 } 3021 }
2150 }, 3022 },
3023 on_exticmd => sub {
3024 my ($ns, $buf) = @_;
3025
3026 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3027
3028 if (ref $msg) {
3029 my ($type, $reply, @payload) =
3030 "ARRAY" eq ref $msg
3031 ? @$msg
3032 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3033
3034 my @reply;
3035
3036 if (my $cb = $EXTICMD{$type}) {
3037 @reply = $cb->($ns, @payload);
3038 }
3039
3040 $ns->ext_reply ($reply, @reply)
3041 if $reply;
3042
3043 } else {
3044 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3045 }
3046
3047 cf::override;
3048 },
2151); 3049);
2152 3050
2153=item $client->async (\&cb) 3051=item $client->async (\&cb)
2154 3052
2155Create a new coroutine, running the specified callback. The coroutine will 3053Create a new coroutine, running the specified callback. The coroutine will
2196our $safe = new Safe "safe"; 3094our $safe = new Safe "safe";
2197our $safe_hole = new Safe::Hole; 3095our $safe_hole = new Safe::Hole;
2198 3096
2199$SIG{FPE} = 'IGNORE'; 3097$SIG{FPE} = 'IGNORE';
2200 3098
2201$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3099$safe->permit_only (Opcode::opset qw(
3100 :base_core :base_mem :base_orig :base_math
3101 grepstart grepwhile mapstart mapwhile
3102 sort time
3103));
2202 3104
2203# here we export the classes and methods available to script code 3105# here we export the classes and methods available to script code
2204 3106
2205=pod 3107=pod
2206 3108
2207The following functions and methods are available within a safe environment: 3109The following functions and methods are available within a safe environment:
2208 3110
2209 cf::object contr pay_amount pay_player map 3111 cf::object
3112 contr pay_amount pay_player map x y force_find force_add destroy
3113 insert remove name archname title slaying race decrease split
3114
2210 cf::object::player player 3115 cf::object::player
2211 cf::player peaceful 3116 player
2212 cf::map trigger 3117
3118 cf::player
3119 peaceful
3120
3121 cf::map
3122 trigger
2213 3123
2214=cut 3124=cut
2215 3125
2216for ( 3126for (
2217 ["cf::object" => qw(contr pay_amount pay_player map)], 3127 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128 insert remove inv nrof name archname title slaying race
3129 decrease split destroy)],
2218 ["cf::object::player" => qw(player)], 3130 ["cf::object::player" => qw(player)],
2219 ["cf::player" => qw(peaceful)], 3131 ["cf::player" => qw(peaceful)],
2220 ["cf::map" => qw(trigger)], 3132 ["cf::map" => qw(trigger)],
2221) { 3133) {
2222 no strict 'refs'; 3134 no strict 'refs';
2293=back 3205=back
2294 3206
2295=cut 3207=cut
2296 3208
2297############################################################################# 3209#############################################################################
2298
2299=head2 EXTENSION DATABASE SUPPORT
2300
2301Crossfire maintains a very simple database for extension use. It can
2302currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303convert to/from binary).
2304
2305The parameter C<$family> should best start with the name of the extension
2306using it, it should be unique.
2307
2308=over 4
2309
2310=item $value = cf::db_get $family => $key
2311
2312Returns a single value from the database.
2313
2314=item cf::db_put $family => $key => $value
2315
2316Stores the given C<$value> in the family.
2317
2318=cut
2319
2320our $DB;
2321
2322sub db_init {
2323 unless ($DB) {
2324 $DB = BDB::db_create $DB_ENV;
2325
2326 cf::sync_job {
2327 eval {
2328 $DB->set_flags (BDB::CHKSUM);
2329
2330 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332 cf::cleanup "db_open(db): $!" if $!;
2333 };
2334 cf::cleanup "db_open(db): $@" if $@;
2335 };
2336 }
2337}
2338
2339sub db_get($$) {
2340 my $key = "$_[0]/$_[1]";
2341
2342 cf::sync_job {
2343 BDB::db_get $DB, undef, $key, my $data;
2344
2345 $! ? ()
2346 : $data
2347 }
2348}
2349
2350sub db_put($$$) {
2351 BDB::dbreq_pri 4;
2352 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353}
2354
2355=item cf::cache $id => [$paths...], $processversion => $process
2356
2357Generic caching function that returns the value of the resource $id,
2358caching and regenerating as required.
2359
2360This function can block.
2361
2362=cut
2363
2364sub cache {
2365 my ($id, $src, $processversion, $process) = @_;
2366
2367 my $meta =
2368 join "\x00",
2369 $processversion,
2370 map {
2371 aio_stat $_
2372 and Carp::croak "$_: $!";
2373
2374 ($_, (stat _)[7,9])
2375 } @$src;
2376
2377 my $dbmeta = db_get cache => "$id/meta";
2378 if ($dbmeta ne $meta) {
2379 # changed, we may need to process
2380
2381 my @data;
2382 my $md5;
2383
2384 for (0 .. $#$src) {
2385 0 <= aio_load $src->[$_], $data[$_]
2386 or Carp::croak "$src->[$_]: $!";
2387 }
2388
2389 # if processing is expensive, check
2390 # checksum first
2391 if (1) {
2392 $md5 =
2393 join "\x00",
2394 $processversion,
2395 map {
2396 Coro::cede;
2397 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2398 } 0.. $#$src;
2399
2400
2401 my $dbmd5 = db_get cache => "$id/md5";
2402 if ($dbmd5 eq $md5) {
2403 db_put cache => "$id/meta", $meta;
2404
2405 return db_get cache => "$id/data";
2406 }
2407 }
2408
2409 my $t1 = Time::HiRes::time;
2410 my $data = $process->(\@data);
2411 my $t2 = Time::HiRes::time;
2412
2413 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415 db_put cache => "$id/data", $data;
2416 db_put cache => "$id/md5" , $md5;
2417 db_put cache => "$id/meta", $meta;
2418
2419 return $data;
2420 }
2421
2422 db_get cache => "$id/data"
2423}
2424
2425=item fork_call { }, $args
2426
2427Executes the given code block with the given arguments in a seperate
2428process, returning the results. Everything must be serialisable with
2429Coro::Storable. May, of course, block. Note that the executed sub may
2430never block itself or use any form of Event handling.
2431
2432=cut
2433
2434sub fork_call(&@) {
2435 my ($cb, @args) = @_;
2436
2437# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438# or die "socketpair: $!";
2439 pipe my $fh1, my $fh2
2440 or die "pipe: $!";
2441
2442 if (my $pid = fork) {
2443 close $fh2;
2444
2445 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446 $res = Coro::Storable::thaw $res;
2447
2448 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450 die $$res unless "ARRAY" eq ref $res;
2451
2452 return wantarray ? @$res : $res->[-1];
2453 } else {
2454 reset_signals;
2455 local $SIG{__WARN__};
2456 local $SIG{__DIE__};
2457 eval {
2458 close $fh1;
2459
2460 my @res = eval { $cb->(@args) };
2461 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462 };
2463
2464 warn $@ if $@;
2465 _exit 0;
2466 }
2467}
2468
2469
2470
2471#############################################################################
2472# the server's init and main functions 3210# the server's init and main functions
2473 3211
2474sub load_facedata($) { 3212sub load_facedata($) {
2475 my ($path) = @_; 3213 my ($path) = @_;
3214
3215 # HACK to clear player env face cache, we need some signal framework
3216 # for this (global event?)
3217 %ext::player_env::MUSIC_FACE_CACHE = ();
3218
3219 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476 3220
2477 warn "loading facedata from $path\n"; 3221 warn "loading facedata from $path\n";
2478 3222
2479 my $facedata; 3223 my $facedata;
2480 0 < aio_load $path, $facedata 3224 0 < aio_load $path, $facedata
2483 $facedata = Coro::Storable::thaw $facedata; 3227 $facedata = Coro::Storable::thaw $facedata;
2484 3228
2485 $facedata->{version} == 2 3229 $facedata->{version} == 2
2486 or cf::cleanup "$path: version mismatch, cannot proceed."; 3230 or cf::cleanup "$path: version mismatch, cannot proceed.";
2487 3231
3232 # patch in the exptable
3233 $facedata->{resource}{"res/exp_table"} = {
3234 type => FT_RSRC,
3235 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3236 };
3237 cf::cede_to_tick;
3238
2488 { 3239 {
2489 my $faces = $facedata->{faceinfo}; 3240 my $faces = $facedata->{faceinfo};
2490 3241
2491 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2492 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3243 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244
2493 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3245 cf::face::set_visibility $idx, $info->{visibility};
3246 cf::face::set_magicmap $idx, $info->{magicmap};
2494 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3247 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3248 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496 Coro::cede; 3249
3250 cf::cede_to_tick;
2497 } 3251 }
2498 3252
2499 while (my ($face, $info) = each %$faces) { 3253 while (my ($face, $info) = each %$faces) {
2500 next unless $info->{smooth}; 3254 next unless $info->{smooth};
3255
2501 my $idx = cf::face::find $face 3256 my $idx = cf::face::find $face
2502 or next; 3257 or next;
3258
2503 if (my $smooth = cf::face::find $info->{smooth}) { 3259 if (my $smooth = cf::face::find $info->{smooth}) {
3260 cf::face::set_smooth $idx, $smooth;
2504 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3261 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505 } else { 3262 } else {
2506 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3263 warn "smooth face '$info->{smooth}' not found for face '$face'";
2507 } 3264 }
2508 Coro::cede; 3265
3266 cf::cede_to_tick;
2509 } 3267 }
2510 } 3268 }
2511 3269
2512 { 3270 {
2513 my $anims = $facedata->{animinfo}; 3271 my $anims = $facedata->{animinfo};
2514 3272
2515 while (my ($anim, $info) = each %$anims) { 3273 while (my ($anim, $info) = each %$anims) {
2516 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3274 cf::anim::set $anim, $info->{frames}, $info->{facings};
2517 Coro::cede; 3275 cf::cede_to_tick;
2518 } 3276 }
2519 3277
2520 cf::anim::invalidate_all; # d'oh 3278 cf::anim::invalidate_all; # d'oh
2521 } 3279 }
2522 3280
3281 {
3282 # TODO: for gcfclient pleasure, we should give resources
3283 # that gcfclient doesn't grok a >10000 face index.
3284 my $res = $facedata->{resource};
3285
3286 while (my ($name, $info) = each %$res) {
3287 if (defined $info->{type}) {
3288 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289 my $data;
3290
3291 if ($info->{type} & 1) {
3292 # prepend meta info
3293
3294 my $meta = $enc->encode ({
3295 name => $name,
3296 %{ $info->{meta} || {} },
3297 });
3298
3299 $data = pack "(w/a*)*", $meta, $info->{data};
3300 } else {
3301 $data = $info->{data};
3302 }
3303
3304 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305 cf::face::set_type $idx, $info->{type};
3306 } else {
3307 $RESOURCE{$name} = $info;
3308 }
3309
3310 cf::cede_to_tick;
3311 }
3312 }
3313
3314 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3315
2523 1 3316 1
2524} 3317}
2525 3318
3319cf::global->attach (on_resource_update => sub {
3320 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3321 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3322
3323 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3324 my $sound = $soundconf->{compat}[$_]
3325 or next;
3326
3327 my $face = cf::face::find "sound/$sound->[1]";
3328 cf::sound::set $sound->[0] => $face;
3329 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3330 }
3331
3332 while (my ($k, $v) = each %{$soundconf->{event}}) {
3333 my $face = cf::face::find "sound/$v";
3334 cf::sound::set $k => $face;
3335 }
3336 }
3337});
3338
3339register_exticmd fx_want => sub {
3340 my ($ns, $want) = @_;
3341
3342 while (my ($k, $v) = each %$want) {
3343 $ns->fx_want ($k, $v);
3344 }
3345};
3346
3347sub load_resource_file($) {
3348 my $guard = lock_acquire "load_resource_file";
3349
3350 my $status = load_resource_file_ $_[0];
3351 get_slot 0.1, 100;
3352 cf::arch::commit_load;
3353
3354 $status
3355}
3356
2526sub reload_regions { 3357sub reload_regions {
3358 # HACK to clear player env face cache, we need some signal framework
3359 # for this (global event?)
3360 %ext::player_env::MUSIC_FACE_CACHE = ();
3361
2527 load_resource_file "$MAPDIR/regions" 3362 load_resource_file "$MAPDIR/regions"
2528 or die "unable to load regions file\n"; 3363 or die "unable to load regions file\n";
3364
3365 for (cf::region::list) {
3366 $_->{match} = qr/$_->{match}/
3367 if exists $_->{match};
3368 }
2529} 3369}
2530 3370
2531sub reload_facedata { 3371sub reload_facedata {
2532 load_facedata "$DATADIR/facedata" 3372 load_facedata "$DATADIR/facedata"
2533 or die "unable to load facedata\n"; 3373 or die "unable to load facedata\n";
2544} 3384}
2545 3385
2546sub reload_resources { 3386sub reload_resources {
2547 warn "reloading resource files...\n"; 3387 warn "reloading resource files...\n";
2548 3388
2549 reload_regions;
2550 reload_facedata; 3389 reload_facedata;
2551 reload_archetypes; 3390 reload_archetypes;
3391 reload_regions;
2552 reload_treasures; 3392 reload_treasures;
2553 3393
2554 warn "finished reloading resource files\n"; 3394 warn "finished reloading resource files\n";
2555} 3395}
2556 3396
2557sub init { 3397sub init {
3398 my $guard = freeze_mainloop;
3399
2558 reload_resources; 3400 reload_resources;
2559} 3401}
2560 3402
2561sub cfg_load { 3403sub reload_config {
2562 open my $fh, "<:utf8", "$CONFDIR/config" 3404 open my $fh, "<:utf8", "$CONFDIR/config"
2563 or return; 3405 or return;
2564 3406
2565 local $/; 3407 local $/;
2566 *CFG = YAML::Syck::Load <$fh>; 3408 *CFG = YAML::Load <$fh>;
2567 3409
2568 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3410 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569 3411
2570 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3412 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3413 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2582sub main { 3424sub main {
2583 # we must not ever block the main coroutine 3425 # we must not ever block the main coroutine
2584 local $Coro::idle = sub { 3426 local $Coro::idle = sub {
2585 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3427 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586 (async { 3428 (async {
2587 Event::one_event; 3429 $Coro::current->{desc} = "IDLE BUG HANDLER";
3430 EV::loop EV::LOOP_ONESHOT;
2588 })->prio (Coro::PRIO_MAX); 3431 })->prio (Coro::PRIO_MAX);
2589 }; 3432 };
2590 3433
2591 cfg_load; 3434 {
3435 my $guard = freeze_mainloop;
3436 reload_config;
2592 db_init; 3437 db_init;
2593 load_extensions; 3438 load_extensions;
2594 3439
2595 $TICK_WATCHER->start; 3440 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3441 evthread_start IO::AIO::poll_fileno;
3442 }
3443
2596 Event::loop; 3444 EV::loop;
2597} 3445}
2598 3446
2599############################################################################# 3447#############################################################################
2600# initialisation and cleanup 3448# initialisation and cleanup
2601 3449
2602# install some emergency cleanup handlers 3450# install some emergency cleanup handlers
2603BEGIN { 3451BEGIN {
3452 our %SIGWATCHER = ();
2604 for my $signal (qw(INT HUP TERM)) { 3453 for my $signal (qw(INT HUP TERM)) {
2605 Event->signal ( 3454 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 signal => $signal,
2609 prio => 0,
2610 cb => sub {
2611 cf::cleanup "SIG$signal"; 3455 cf::cleanup "SIG$signal";
2612 },
2613 ); 3456 };
3457 }
3458}
3459
3460sub write_runtime_sync {
3461 my $runtime = "$LOCALDIR/runtime";
3462
3463 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time.
3465
3466 IO::AIO::aio_utime $runtime, undef, undef;
3467
3468 my $guard = cf::lock_acquire "write_runtime";
3469
3470 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3471 or return;
3472
3473 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server.
3476
3477 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3478 and return;
3479
3480 # always fsync - this file is important
3481 aio_fsync $fh
3482 and return;
3483
3484 # touch it again to show we are up-to-date
3485 aio_utime $fh, undef, undef;
3486
3487 close $fh
3488 or return;
3489
3490 aio_rename "$runtime~", $runtime
3491 and return;
3492
3493 warn "runtime file written.\n";
3494
2614 } 3495 1
3496}
3497
3498our $uuid_lock;
3499our $uuid_skip;
3500
3501sub write_uuid_sync($) {
3502 $uuid_skip ||= $_[0];
3503
3504 return if $uuid_lock;
3505 local $uuid_lock = 1;
3506
3507 my $uuid = "$LOCALDIR/uuid";
3508
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3513 $uuid_skip = 0;
3514
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return;
3517
3518 # always fsync - this file is important
3519 aio_fsync $fh
3520 and return;
3521
3522 close $fh
3523 or return;
3524
3525 aio_rename "$uuid~", $uuid
3526 and return;
3527
3528 warn "uuid file written ($value).\n";
3529
3530 1
3531
3532}
3533
3534sub write_uuid($$) {
3535 my ($skip, $sync) = @_;
3536
3537 $sync ? write_uuid_sync $skip
3538 : async { write_uuid_sync $skip };
2615} 3539}
2616 3540
2617sub emergency_save() { 3541sub emergency_save() {
2618 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
2619 3543
2625 # and maps saved/destroyed asynchronously. 3549 # and maps saved/destroyed asynchronously.
2626 warn "begin emergency player save\n"; 3550 warn "begin emergency player save\n";
2627 for my $login (keys %cf::PLAYER) { 3551 for my $login (keys %cf::PLAYER) {
2628 my $pl = $cf::PLAYER{$login} or next; 3552 my $pl = $cf::PLAYER{$login} or next;
2629 $pl->valid or next; 3553 $pl->valid or next;
3554 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630 $pl->save; 3555 $pl->save;
2631 } 3556 }
2632 warn "end emergency player save\n"; 3557 warn "end emergency player save\n";
2633 3558
2634 warn "begin emergency map save\n"; 3559 warn "begin emergency map save\n";
2640 warn "end emergency map save\n"; 3565 warn "end emergency map save\n";
2641 3566
2642 warn "begin emergency database checkpoint\n"; 3567 warn "begin emergency database checkpoint\n";
2643 BDB::db_env_txn_checkpoint $DB_ENV; 3568 BDB::db_env_txn_checkpoint $DB_ENV;
2644 warn "end emergency database checkpoint\n"; 3569 warn "end emergency database checkpoint\n";
3570
3571 warn "begin write uuid\n";
3572 write_uuid_sync 1;
3573 warn "end write uuid\n";
2645 }; 3574 };
2646 3575
2647 warn "leave emergency perl save\n"; 3576 warn "leave emergency perl save\n";
2648} 3577}
2649 3578
2664 warn "reloading..."; 3593 warn "reloading...";
2665 3594
2666 warn "entering sync_job"; 3595 warn "entering sync_job";
2667 3596
2668 cf::sync_job { 3597 cf::sync_job {
2669 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
2670 cf::emergency_save; 3599 cf::emergency_save;
2671 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2672 3601
2673 warn "syncing database to disk"; 3602 warn "syncing database to disk";
2674 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2675 3604
2676 # if anything goes wrong in here, we should simply crash as we already saved 3605 # if anything goes wrong in here, we should simply crash as we already saved
2677
2678 warn "cancelling all WF_AUTOCANCEL watchers";
2679 for (Event::all_watchers) {
2680 $_->cancel if $_->data & WF_AUTOCANCEL;
2681 }
2682 3606
2683 warn "flushing outstanding aio requests"; 3607 warn "flushing outstanding aio requests";
2684 for (;;) { 3608 for (;;) {
2685 BDB::flush; 3609 BDB::flush;
2686 IO::AIO::flush; 3610 IO::AIO::flush;
2687 Coro::cede; 3611 Coro::cede_notself;
2688 last unless IO::AIO::nreqs || BDB::nreqs; 3612 last unless IO::AIO::nreqs || BDB::nreqs;
2689 warn "iterate..."; 3613 warn "iterate...";
2690 } 3614 }
2691 3615
2692 ++$RELOAD; 3616 ++$RELOAD;
2696 %EXT_CORO = (); 3620 %EXT_CORO = ();
2697 3621
2698 warn "removing commands"; 3622 warn "removing commands";
2699 %COMMAND = (); 3623 %COMMAND = ();
2700 3624
2701 warn "removing ext commands"; 3625 warn "removing ext/exti commands";
2702 %EXTCMD = (); 3626 %EXTCMD = ();
3627 %EXTICMD = ();
2703 3628
2704 warn "unloading/nuking all extensions"; 3629 warn "unloading/nuking all extensions";
2705 for my $pkg (@EXTS) { 3630 for my $pkg (@EXTS) {
2706 warn "... unloading $pkg"; 3631 warn "... unloading $pkg";
2707 3632
2750 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
2751 require cf; 3676 require cf;
2752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753 3678
2754 warn "loading config and database again"; 3679 warn "loading config and database again";
2755 cf::cfg_load; 3680 cf::reload_config;
2756 3681
2757 warn "loading extensions"; 3682 warn "loading extensions";
2758 cf::load_extensions; 3683 cf::load_extensions;
2759 3684
2760 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
2767 warn "leaving sync_job"; 3692 warn "leaving sync_job";
2768 3693
2769 1 3694 1
2770 } or do { 3695 } or do {
2771 warn $@; 3696 warn $@;
2772 warn "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
2773 exit 1;
2774 }; 3698 };
2775 3699
2776 warn "reloaded"; 3700 warn "reloaded";
2777}; 3701};
2778 3702
2780 3704
2781sub reload_perl() { 3705sub reload_perl() {
2782 # doing reload synchronously and two reloads happen back-to-back, 3706 # doing reload synchronously and two reloads happen back-to-back,
2783 # coro crashes during coro_state_free->destroy here. 3707 # coro crashes during coro_state_free->destroy here.
2784 3708
2785 $RELOAD_WATCHER ||= Event->timer ( 3709 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786 reentrant => 0,
2787 after => 0,
2788 data => WF_AUTOCANCEL,
2789 cb => sub {
2790 do_reload_perl; 3710 do_reload_perl;
2791 undef $RELOAD_WATCHER; 3711 undef $RELOAD_WATCHER;
2792 },
2793 ); 3712 };
2794} 3713}
2795 3714
2796register_command "reload" => sub { 3715register_command "reload" => sub {
2797 my ($who, $arg) = @_; 3716 my ($who, $arg) = @_;
2798 3717
2799 if ($who->flag (FLAG_WIZ)) { 3718 if ($who->flag (FLAG_WIZ)) {
2800 $who->message ("reloading server."); 3719 $who->message ("reloading server.");
3720 async {
3721 $Coro::current->{desc} = "perl_reload";
2801 async { reload_perl }; 3722 reload_perl;
3723 };
2802 } 3724 }
2803}; 3725};
2804 3726
2805unshift @INC, $LIBDIR; 3727unshift @INC, $LIBDIR;
2806 3728
2808 3730
2809our @WAIT_FOR_TICK; 3731our @WAIT_FOR_TICK;
2810our @WAIT_FOR_TICK_BEGIN; 3732our @WAIT_FOR_TICK_BEGIN;
2811 3733
2812sub wait_for_tick { 3734sub wait_for_tick {
2813 return unless $TICK_WATCHER->is_active;
2814 return if $Coro::current == $Coro::main; 3735 return if tick_inhibit || $Coro::current == $Coro::main;
2815 3736
2816 my $signal = new Coro::Signal; 3737 my $signal = new Coro::Signal;
2817 push @WAIT_FOR_TICK, $signal; 3738 push @WAIT_FOR_TICK, $signal;
2818 $signal->wait; 3739 $signal->wait;
2819} 3740}
2820 3741
2821sub wait_for_tick_begin { 3742sub wait_for_tick_begin {
2822 return unless $TICK_WATCHER->is_active;
2823 return if $Coro::current == $Coro::main; 3743 return if tick_inhibit || $Coro::current == $Coro::main;
2824 3744
2825 my $signal = new Coro::Signal; 3745 my $signal = new Coro::Signal;
2826 push @WAIT_FOR_TICK_BEGIN, $signal; 3746 push @WAIT_FOR_TICK_BEGIN, $signal;
2827 $signal->wait; 3747 $signal->wait;
2828} 3748}
2829 3749
2830$TICK_WATCHER = Event->timer ( 3750sub tick {
2831 reentrant => 0,
2832 parked => 1,
2833 prio => 0,
2834 at => $NEXT_TICK || $TICK,
2835 data => WF_AUTOCANCEL,
2836 cb => sub {
2837 if ($Coro::current != $Coro::main) { 3751 if ($Coro::current != $Coro::main) {
2838 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3752 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839 unless ++$bug_warning > 10; 3753 unless ++$bug_warning > 10;
2840 return; 3754 return;
2841 } 3755 }
2842 3756
2843 $NOW = Event::time;
2844
2845 cf::server_tick; # one server iteration 3757 cf::server_tick; # one server iteration
2846 3758
2847 $RUNTIME += $TICK;
2848 $NEXT_TICK += $TICK;
2849
2850 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3759 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851 $NEXT_RUNTIME_WRITE = $NOW + 10; 3760 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852 Coro::async_pool { 3761 Coro::async_pool {
3762 $Coro::current->{desc} = "runtime saver";
2853 write_runtime 3763 write_runtime_sync
2854 or warn "ERROR: unable to write runtime file: $!"; 3764 or warn "ERROR: unable to write runtime file: $!";
2855 };
2856 } 3765 };
3766 }
2857 3767
2858# my $AFTER = Event::time;
2859# warn $AFTER - $NOW;#d#
2860
2861 # if we are delayed by four ticks or more, skip them all
2862 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864 $TICK_WATCHER->at ($NEXT_TICK);
2865 $TICK_WATCHER->start;
2866
2867 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868 $sig->send; 3769 $sig->send;
2869 } 3770 }
2870 while (my $sig = shift @WAIT_FOR_TICK) { 3771 while (my $sig = shift @WAIT_FOR_TICK) {
2871 $sig->send; 3772 $sig->send;
2872 }
2873
2874 _post_tick;
2875 }, 3773 }
2876); 3774
3775 $LOAD = ($NOW - $TICK_START) / $TICK;
3776 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3777
3778 if (0) {
3779 if ($NEXT_TICK) {
3780 my $jitter = $TICK_START - $NEXT_TICK;
3781 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3782 warn "jitter $JITTER\n";#d#
3783 }
3784 }
3785}
2877 3786
2878{ 3787{
2879 BDB::max_poll_time $TICK * 0.1; 3788 # configure BDB
2880 $BDB_POLL_WATCHER = Event->io ( 3789
2881 reentrant => 0,
2882 fd => BDB::poll_fileno,
2883 poll => 'r',
2884 prio => 0,
2885 data => WF_AUTOCANCEL,
2886 cb => \&BDB::poll_cb,
2887 );
2888 BDB::min_parallel 8; 3790 BDB::min_parallel 8;
2889 3791 BDB::max_poll_reqs $TICK * 0.1;
2890 BDB::set_sync_prepare { 3792 $Coro::BDB::WATCHER->priority (1);
2891 my $status;
2892 my $current = $Coro::current;
2893 (
2894 sub {
2895 $status = $!;
2896 $current->ready; undef $current;
2897 },
2898 sub {
2899 Coro::schedule while defined $current;
2900 $! = $status;
2901 },
2902 )
2903 };
2904 3793
2905 unless ($DB_ENV) { 3794 unless ($DB_ENV) {
2906 $DB_ENV = BDB::db_env_create; 3795 $DB_ENV = BDB::db_env_create;
3796 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3797 | BDB::LOG_AUTOREMOVE, 1);
3798 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907 3800
2908 cf::sync_job { 3801 cf::sync_job {
2909 eval { 3802 eval {
2910 BDB::db_env_open 3803 BDB::db_env_open
2911 $DB_ENV, 3804 $DB_ENV,
2913 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3806 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3807 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915 0666; 3808 0666;
2916 3809
2917 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3810 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920 $DB_ENV->set_lk_detect;
2921 }; 3811 };
2922 3812
2923 cf::cleanup "db_env_open(db): $@" if $@; 3813 cf::cleanup "db_env_open(db): $@" if $@;
2924 }; 3814 };
2925 } 3815 }
3816
3817 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3818 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3819 };
3820 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3821 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3822 };
3823 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3824 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3825 };
2926} 3826}
2927 3827
2928{ 3828{
3829 # configure IO::AIO
3830
2929 IO::AIO::min_parallel 8; 3831 IO::AIO::min_parallel 8;
2930
2931 undef $Coro::AIO::WATCHER;
2932 IO::AIO::max_poll_time $TICK * 0.1; 3832 IO::AIO::max_poll_time $TICK * 0.1;
2933 $AIO_POLL_WATCHER = Event->io ( 3833 $Coro::AIO::WATCHER->priority (1);
2934 reentrant => 0,
2935 data => WF_AUTOCANCEL,
2936 fd => IO::AIO::poll_fileno,
2937 poll => 'r',
2938 prio => 6,
2939 cb => \&IO::AIO::poll_cb,
2940 );
2941} 3834}
2942 3835
2943my $_log_backtrace; 3836my $_log_backtrace;
2944 3837
2945sub _log_backtrace { 3838sub _log_backtrace {
2949 3842
2950 # limit the # of concurrent backtraces 3843 # limit the # of concurrent backtraces
2951 if ($_log_backtrace < 2) { 3844 if ($_log_backtrace < 2) {
2952 ++$_log_backtrace; 3845 ++$_log_backtrace;
2953 async { 3846 async {
3847 $Coro::current->{desc} = "abt $msg";
3848
2954 my @bt = fork_call { 3849 my @bt = fork_call {
2955 @addr = map { sprintf "%x", $_ } @addr; 3850 @addr = map { sprintf "%x", $_ } @addr;
2956 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3851 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3852 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958 or die "addr2line: $!"; 3853 or die "addr2line: $!";

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