ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::AnyEvent;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
22use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB 1.6;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
94 124
95binmode STDOUT; 125binmode STDOUT;
96binmode STDERR; 126binmode STDERR;
97 127
98# read virtual server time, if available 128# read virtual server time, if available
139 169
140=item $cf::TICK 170=item $cf::TICK
141 171
142The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
143 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
144=item %cf::CFG 184=item %cf::CFG
145 185
146Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 187from wherever your confdir points to.
148 188
149=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
150 190
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
155=back 201=back
156 202
157=cut 203=cut
158 204
159BEGIN { 205BEGIN {
161 my $msg = join "", @_; 207 my $msg = join "", @_;
162 208
163 $msg .= "\n" 209 $msg .= "\n"
164 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
165 211
166 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 213
168 utf8::encode $msg;
169 LOG llevError, $msg; 214 LOG llevError, $msg;
170 }; 215 };
171} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
172 232
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 240
180# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 242# within the Safe compartment.
182for my $pkg (qw( 243for my $pkg (qw(
183 cf::global cf::attachable 244 cf::global cf::attachable
188)) { 249)) {
189 no strict 'refs'; 250 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 252}
192 253
193$Event::DIED = sub { 254$EV::DIED = sub {
194 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
195}; 256};
257
258#############################################################################
196 259
197=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
198 261
199=over 4 262=over 4
200 263
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 283 $d
221 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
222} 285}
223 286
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
227 288
228Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
229 290
230=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
231 292
232Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
294
295=cut
296
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298
299sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) }
233 301
234=item cf::lock_wait $string 302=item cf::lock_wait $string
235 303
236Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
237 305
240Wait until the given lock is available and then acquires it and returns 308Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
243returned. 311returned.
244 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
245Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
247 318
248=item $locked = cf::lock_active $string 319=item $locked = cf::lock_active $string
249 320
250Return true if the lock is currently active, i.e. somebody has locked it. 321Return true if the lock is currently active, i.e. somebody has locked it.
251 322
252=cut 323=cut
253 324
254our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
255 327
256sub lock_wait($) { 328sub lock_wait($) {
257 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
258 335
259 # wait for lock, if any 336 # wait for lock, if any
260 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 339 Coro::schedule;
268 345
269 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
270 lock_wait $key; 347 lock_wait $key;
271 348
272 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
273 351
274 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
277 } 356 }
278} 357}
279 358
282 361
283 ! ! $LOCK{$key} 362 ! ! $LOCK{$key}
284} 363}
285 364
286sub freeze_mainloop { 365sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
288 367
289 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
291 }; 429 }
292 $TICK_WATCHER->stop; 430};
293 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
294} 444}
295 445
296=item cf::async { BLOCK } 446=item cf::async { BLOCK }
297 447
298Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
303 453
304BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
305 455
306=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
307 457
308The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
311 462
312If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
315fast or be very important. 466fast or be very important.
318 469
319sub sync_job(&) { 470sub sync_job(&) {
320 my ($job) = @_; 471 my ($job) = @_;
321 472
322 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
474 my $time = EV::time;
475
323 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
325 478
326 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 480
328 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
329 482
330 my $busy = 1; 483 my $busy = 1;
331 my @res; 484 my @res;
332 485
333 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 488 @res = eval { $job->() };
335 warn $@ if $@; 489 warn $@ if $@;
336 undef $busy; 490 undef $busy;
337 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
338 492
339 while ($busy) { 493 while ($busy) {
340 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
341 } 498 }
499 }
500
501 my $time = EV::time - $time;
502
503 $TICK_START += $time; # do not account sync jobs to server load
342 504
343 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
344 } else { 506 } else {
345 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
346 508
366 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
367 529
368 $coro 530 $coro
369} 531}
370 532
371sub write_runtime { 533=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 534
374 my $runtime = "$LOCALDIR/runtime"; 535Executes the given code block with the given arguments in a seperate
536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
375 539
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 540=cut
377 or return;
378 541
379 my $value = $cf::RUNTIME + 90 + 10; 542sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 543 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 544
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 545 # we seemingly have to make a local copy of the whole thing,
384 and return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
385 548
386 # always fsync - this file is important 549 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 550 reset_signals;
388 and return; 551 &$cb
552 }, @args;
389 553
390 close $fh 554 wantarray ? @res : $res[-1]
391 or return; 555}
392 556
393 aio_rename "$runtime~", $runtime 557=item $coin = coin_from_name $name
394 and return;
395 558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
396 1 633 }
634}
635
636sub db_put($$$) {
637 BDB::dbreq_pri 4;
638 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
639}
640
641=item cf::cache $id => [$paths...], $processversion => $process
642
643Generic caching function that returns the value of the resource $id,
644caching and regenerating as required.
645
646This function can block.
647
648=cut
649
650sub cache {
651 my ($id, $src, $processversion, $process) = @_;
652
653 my $meta =
654 join "\x00",
655 $processversion,
656 map {
657 aio_stat $_
658 and Carp::croak "$_: $!";
659
660 ($_, (stat _)[7,9])
661 } @$src;
662
663 my $dbmeta = db_get cache => "$id/meta";
664 if ($dbmeta ne $meta) {
665 # changed, we may need to process
666
667 my @data;
668 my $md5;
669
670 for (0 .. $#$src) {
671 0 <= aio_load $src->[$_], $data[$_]
672 or Carp::croak "$src->[$_]: $!";
673 }
674
675 # if processing is expensive, check
676 # checksum first
677 if (1) {
678 $md5 =
679 join "\x00",
680 $processversion,
681 map {
682 cf::cede_to_tick;
683 ($src->[$_], Digest::MD5::md5_hex $data[$_])
684 } 0.. $#$src;
685
686
687 my $dbmd5 = db_get cache => "$id/md5";
688 if ($dbmd5 eq $md5) {
689 db_put cache => "$id/meta", $meta;
690
691 return db_get cache => "$id/data";
692 }
693 }
694
695 my $t1 = Time::HiRes::time;
696 my $data = $process->(\@data);
697 my $t2 = Time::HiRes::time;
698
699 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
700
701 db_put cache => "$id/data", $data;
702 db_put cache => "$id/md5" , $md5;
703 db_put cache => "$id/meta", $meta;
704
705 return $data;
706 }
707
708 db_get cache => "$id/data"
397} 709}
398 710
399=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
400 712
401Log a datalog packet of the given type with the given key-value pairs. 713Log a datalog packet of the given type with the given key-value pairs.
419attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
421 733
422In the following description, CLASS can be any of C<global>, C<object> 734In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 735C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 736Deliantra).
425 737
426=over 4 738=over 4
427 739
428=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
429 741
592 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
593 905
594 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 910
599 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 912 my $pkg = shift @arg;
601 913
602 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
632 } 944 }
633 945
634 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
635 } else { 947 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 949 }
638 950
639 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
640} 952}
641 953
643 if (ref $_[0]) { 955 if (ref $_[0]) {
644 _object_attach @_; 956 _object_attach @_;
645 } else { 957 } else {
646 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
647 } 959 }
960 _recalc_want;
648}; 961};
649 962
650# all those should be optimised 963# all those should be optimised
651sub cf::attachable::detach { 964sub cf::attachable::detach {
652 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
656 reattach ($obj); 969 reattach ($obj);
657 } else { 970 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
659 } 972 }
973 _recalc_want;
660}; 974};
661 975
662sub cf::attachable::attached { 976sub cf::attachable::attached {
663 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
664 978
679 "; 993 ";
680 die if $@; 994 die if $@;
681} 995}
682 996
683our $override; 997our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 998our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 999
686sub override { 1000sub override {
687 $override = 1; 1001 $override = 1;
688 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
689} 1003}
690 1004
691sub do_invoke { 1005sub do_invoke {
692 my $event = shift; 1006 my $event = shift;
693 my $callbacks = shift; 1007 my $callbacks = shift;
694 1008
695 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
696 1010
697 local $override; 1011 local $override;
698 1012
699 for (@$callbacks) { 1013 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
709 } 1023 }
710 1024
711 0 1025 0
712} 1026}
713 1027
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1029
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1031
718Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
719 1033
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1034This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1035removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1037
724=back 1038=back
725 1039
726=cut 1040=cut
727 1041
728############################################################################# 1042#############################################################################
729# object support 1043# object support
1044
1045sub _object_equal($$);
1046sub _object_equal($$) {
1047 my ($a, $b) = @_;
1048
1049 return 0 unless (ref $a) eq (ref $b);
1050
1051 if ("HASH" eq ref $a) {
1052 my @ka = keys %$a;
1053 my @kb = keys %$b;
1054
1055 return 0 if @ka != @kb;
1056
1057 for (0 .. $#ka) {
1058 return 0 unless $ka[$_] eq $kb[$_];
1059 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1060 }
1061
1062 } elsif ("ARRAY" eq ref $a) {
1063
1064 return 0 if @$a != @$b;
1065
1066 for (0 .. $#$a) {
1067 return 0 unless _object_equal $a->[$_], $b->[$_];
1068 }
1069
1070 } elsif ($a ne $b) {
1071 return 0;
1072 }
1073
1074 1
1075}
1076
1077our $SLOW_MERGES;#d#
1078sub _can_merge {
1079 my ($ob1, $ob2) = @_;
1080
1081 ++$SLOW_MERGES;#d#
1082
1083 # we do the slow way here
1084 return _object_equal $ob1, $ob2
1085}
730 1086
731sub reattach { 1087sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1089 my ($obj) = @_;
734 1090
755cf::attachable->attach ( 1111cf::attachable->attach (
756 prio => -1000000, 1112 prio => -1000000,
757 on_instantiate => sub { 1113 on_instantiate => sub {
758 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
759 1115
760 $data = from_json $data; 1116 $data = decode_json $data;
761 1117
762 for (@$data) { 1118 for (@$data) {
763 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
764 1120
765 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1137sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
783 1139
784 sync_job { 1140 sync_job {
785 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
788 1145
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1150 aio_close $fh;
794 1151
795 if (@$objs) { 1152 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1158 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
803 } 1160 }
804 } else { 1161 } else {
805 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
806 } 1163 }
811 } 1168 }
812 } else { 1169 } else {
813 aio_unlink $filename; 1170 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
815 } 1172 }
816 } 1173 };
817} 1174}
818 1175
819sub object_freezer_as_string { 1176sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
821 1178
833 or return; 1190 or return;
834 1191
835 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
837 or return; 1194 or return;
1195
838 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
839 } 1198 }
840 1199
1200 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
843 return ($data, $av); 1204 ($data, $av)
844} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
845 1212
846############################################################################# 1213#############################################################################
847# command handling &c 1214# command handling &c
848 1215
849=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1230}
864 1231
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1233
867Register a callbackf ro execution when the client sends an extcmd packet. 1234Register a callback for execution when the client sends an (synchronous)
1235extcmd packet. Ext commands will be processed in the order they are
1236received by the server, like other user commands. The first argument is
1237the logged-in player. Ext commands can only be processed after a player
1238has logged in successfully.
868 1239
869If the callback returns something, it is sent back as if reply was being 1240If the callback returns something, it is sent back as if reply was being
870called. 1241called.
871 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
872=cut 1254=cut
873 1255
874sub register_extcmd { 1256sub register_extcmd {
875 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
876 1258
877 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
878} 1266}
879 1267
880cf::player->attach ( 1268cf::player->attach (
881 on_command => sub { 1269 on_command => sub {
882 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
891 cf::override; 1279 cf::override;
892 }, 1280 },
893 on_extcmd => sub { 1281 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
895 1283
896 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1285
898 if (ref $msg) { 1286 if (ref $msg) {
1287 my ($type, $reply, @payload) =
1288 "ARRAY" eq ref $msg
1289 ? @$msg
1290 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291
1292 my @reply;
1293
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
904 } else { 1301 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1303 }
907 1304
908 cf::override; 1305 cf::override;
909 }, 1306 },
910); 1307);
911 1308
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
947 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1314 next unless -r $path;
949 eval { 1315
950 load_extension $ext; 1316 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1317 my $base = $1;
1318 my $pkg = $1;
1319 $pkg =~ s/[^[:word:]]/_/g;
1320 $pkg = "ext::$pkg";
1321
1322 open my $fh, "<:utf8", $path
1323 or die "$path: $!";
1324
1325 my $source = do { local $/; <$fh> };
1326
1327 my %ext = (
1328 path => $path,
1329 base => $base,
1330 pkg => $pkg,
1331 );
1332
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335
1336 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n"
1339 . $source
1340 . "\n};\n1";
1341
1342 $todo{$base} = \%ext;
1343 }
1344
1345 my %done;
1346 while (%todo) {
1347 my $progress;
1348
1349 while (my ($k, $v) = each %todo) {
1350 for (split /,\s*/, $v->{meta}{depends}) {
1351 goto skip
1352 unless exists $done{$_};
1353 }
1354
1355 warn "... loading '$k' into '$v->{pkg}'\n";
1356
1357 unless (eval $v->{source}) {
1358 my $msg = $@ ? "$v->{path}: $@\n"
1359 : "$v->{base}: extension inactive.\n";
1360
1361 if (exists $v->{meta}{mandatory}) {
1362 warn $msg;
1363 cf::cleanup "mandatory extension failed to load, exiting.";
1364 }
1365
1366 warn $msg;
1367 }
1368
1369 $done{$k} = delete $todo{$k};
1370 push @EXTS, $v->{pkg};
1371 $progress = 1;
951 1 1372 }
952 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
953 } 1378 };
954} 1379}
955 1380
956############################################################################# 1381#############################################################################
957 1382
1383=back
1384
958=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
959 1386
960Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
961 1388
962=cut 1389=cut
966use Coro::AIO; 1393use Coro::AIO;
967 1394
968=head3 cf::player 1395=head3 cf::player
969 1396
970=over 4 1397=over 4
1398
1399=item cf::player::num_playing
1400
1401Returns the official number of playing players, as per the Crossfire metaserver rules.
1402
1403=cut
1404
1405sub num_playing {
1406 scalar grep
1407 $_->ob->map
1408 && !$_->hidden
1409 && !$_->ob->flag (cf::FLAG_WIZ),
1410 cf::player::list
1411}
971 1412
972=item cf::player::find $login 1413=item cf::player::find $login
973 1414
974Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
975 1416
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1456
1016 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1458 or return;
1459
1460 my $pl = cf::player::load_pl $f
1461 or return;
1462
1463 local $cf::PLAYER_LOADING{$login} = $pl;
1464 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1019 } 1466 }
1020 } 1467 }
1021} 1468}
1022 1469
1031 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1032 1479
1033 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1035 1482
1483 cf::get_slot 0.01;
1484
1036 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1037 Coro::cede; 1486 cf::cede_to_tick;
1038} 1487}
1039 1488
1040sub new($) { 1489sub new($) {
1041 my ($login) = @_; 1490 my ($login) = @_;
1042 1491
1048 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1049 1498
1050 $self 1499 $self
1051} 1500}
1052 1501
1502=item $player->send_msg ($channel, $msg, $color, [extra...])
1503
1504=cut
1505
1506sub send_msg {
1507 my $ns = shift->ns
1508 or return;
1509 $ns->send_msg (@_);
1510}
1511
1053=item $pl->quit_character 1512=item $pl->quit_character
1054 1513
1055Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1057 1516
1065 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1525 $pl->password ("*"); # this should lock out the player until we nuked the dir
1067 1526
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1072 1533
1073 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1110 or return []; 1571 or return [];
1111 1572
1112 my @logins; 1573 my @logins;
1113 1574
1114 for my $login (@$dirs) { 1575 for my $login (@$dirs) {
1576 my $path = path $login;
1577
1578 # a .pst is a dead give-away for a valid player
1579 # if no pst file found, open and chekc for blocked users
1580 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1118 1585
1119 utf8::decode $login; 1586 utf8::decode $login;
1120 push @logins, $login; 1587 push @logins, $login;
1121 } 1588 }
1122 1589
1149 } 1616 }
1150 1617
1151 \@paths 1618 \@paths
1152} 1619}
1153 1620
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1622
1623Expand crossfire pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713
1154=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1155 1715
1156Sends an ext reply to the player. 1716Sends an ext reply to the player.
1157 1717
1158=cut 1718=cut
1159 1719
1160sub ext_reply($$%) { 1720sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1162 1722
1163 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1724}
1167 1725
1168=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1169 1727
1170Sends an ext event to the client. 1728Sends an ext event to the client.
1171 1729
1172=cut 1730=cut
1173 1731
1174sub ext_event($$%) { 1732sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1176 1734
1177 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1178} 1736}
1179 1737
1180=head3 cf::region 1738=head3 cf::region
1181 1739
1182=over 4 1740=over 4
1185 1743
1186package cf::region; 1744package cf::region;
1187 1745
1188=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1189 1747
1190Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1191 1749
1192=cut 1750=cut
1193 1751
1194sub find_by_path($) { 1752sub find_by_path($) {
1195 my ($path) = @_; 1753 my ($path) = @_;
1196 1754
1197 my ($match, $specificity); 1755 my ($match, $specificity);
1198 1756
1199 for my $region (list) { 1757 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1203 } 1761 }
1204 } 1762 }
1205 1763
1226our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1228 1786
1229sub generate_random_map { 1787sub generate_random_map {
1230 my ($self, $rmp) = @_; 1788 my ($self, $rmp) = @_;
1789
1790 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791
1231 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1793 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1269 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1270 1831
1271 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1272 local $self->{path}; 1833 local $self->{path};
1273 local $self->{load_path}; 1834 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1835
1277 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1278} 1837}
1279 1838
1280sub normalise { 1839sub normalise {
1327 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1328 return $self; 1887 return $self;
1329 } 1888 }
1330 } 1889 }
1331 1890
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1892 ()
1334} 1893}
1335 1894
1336sub init { 1895sub init {
1337 my ($self) = @_; 1896 my ($self) = @_;
1359 1918
1360# the temporary/swap location 1919# the temporary/swap location
1361sub save_path { 1920sub save_path {
1362 my ($self) = @_; 1921 my ($self) = @_;
1363 1922
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1924 "$TMPDIR/$path.map"
1366} 1925}
1367 1926
1368# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1369sub uniq_path { 1928sub uniq_path {
1370 my ($self) = @_; 1929 my ($self) = @_;
1371 1930
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1374} 1933}
1375 1934
1376# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1377# all maps in C++... 1936# all maps in C++...
1380 1939
1381 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1383} 1942}
1384 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1385sub unlink_save { 1952sub unlink_save {
1386 my ($self) = @_; 1953 my ($self) = @_;
1387 1954
1388 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1959
1393sub load_header_from($) { 1960sub load_header_from($) {
1394 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1395 1962
1396 utf8::encode $path; 1963 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1402 1972
1403 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1404 1974
1405 1 1975 1
1406} 1976}
1445 $self->load_header_orig 2015 $self->load_header_orig
1446 or return; 2016 or return;
1447 $self->prepare_orig; 2017 $self->prepare_orig;
1448 } 2018 }
1449 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2024 unless $self->default_region;
1452 2025
1453 1 2026 1
1454} 2027}
1457sub find { 2030sub find {
1458 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1459 2032
1460 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1461 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1463 2037
1464 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1466 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1467 or return; 2043 or return;
1468 2044
1469 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1470 2046
1471 $map->load_header 2047 $map->load_header
1472 or return; 2048 or return;
1473 2049
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1477 $map->reset; 2055 $map->reset;
1478 undef $guard;
1479 return find $path; 2056 return find $path;
1480 } 2057 }
1481 2058
1482 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1483 } 2060 }
1490 my ($self) = @_; 2067 my ($self) = @_;
1491 2068
1492 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1493 2070
1494 my $path = $self->{path}; 2071 my $path = $self->{path};
2072
2073 {
1495 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1496 2075
2076 return unless $self->valid;
1497 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1498 2078
1499 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1500 2080
1501 $self->alloc; 2081 $self->alloc;
1502 2082
1503 $self->pre_load; 2083 $self->pre_load;
1504 Coro::cede; 2084 cf::cede_to_tick;
1505 2085
1506 $self->_load_objects ($self->{load_path}, 1) 2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
2088 $self->_load_objects ($f)
1507 or return; 2089 or return;
1508 2090
1509 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->post_load_original
1510 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1511 2093
1512 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1513 utf8::encode $uniq; 2095 utf8::encode $uniq;
1514 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1515 $self->clear_unique_items; 2098 $self->clear_unique_items;
1516 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1517 } 2102 }
1518 } 2103 }
1519 2104
1520 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1521 # now do the right thing for maps 2108 # now do the right thing for maps
1522 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1523 Coro::cede;
1524
1525 unless ($self->{deny_activate}) {
1526 $self->decay_objects;
1527 $self->fix_auto_apply;
1528 $self->update_buttons;
1529 Coro::cede;
1530 $self->set_darkness_map;
1531 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1532 unless $self->difficulty; 2111 unless $self->difficulty;
1533 Coro::cede; 2112 cf::cede_to_tick;
2113
2114 unless ($self->{deny_activate}) {
2115 $self->decay_objects;
2116 $self->fix_auto_apply;
2117 $self->update_buttons;
2118 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick;
1534 $self->activate; 2121 $self->activate;
1535 Coro::cede; 2122 }
2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
2127 $self->in_memory (cf::MAP_ACTIVE);
1536 } 2128 }
1537 2129
1538 $self->post_load; 2130 $self->post_load;
1539 Coro::cede;
1540
1541 $self->in_memory (cf::MAP_IN_MEMORY);
1542} 2131}
1543 2132
1544sub customise_for { 2133sub customise_for {
1545 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1546 2135
1547 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1548 if $self->per_player; 2137 if $self->per_player;
1549 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1550 $self 2142 $self
1551} 2143}
1552 2144
1553# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1554sub load_diag { 2146sub load_neighbours {
1555 my ($map) = @_; 2147 my ($map) = @_;
1556 2148
1557 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1558 2150
1559 for (0 .. 3) { 2151 for (0 .. 3) {
1560 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1561 or next; 2153 or next;
1562 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1563 or next; 2155 or next;
1564 $neigh->load; 2156 $neigh->load;
1565 2157
2158 push @neigh,
1566 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1567 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1568 } 2161 }
1569 2162
1570 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1571 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1572 or next; 2166 or next;
1573 $neigh->load; 2167 $neigh->load;
1574 } 2168 }
1575} 2169}
1576 2170
1581} 2175}
1582 2176
1583sub do_load_sync { 2177sub do_load_sync {
1584 my ($map) = @_; 2178 my ($map) = @_;
1585 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1586 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1587} 2184}
1588 2185
1589our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1590our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1591 2188
1592sub find_async { 2189sub find_async {
1593 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1594 2191
1595 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1596 2193
1597 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1598 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599 } 2196 }
1600 2197
1601 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1602 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1603 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1604 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1605 my $map = find $path 2205 if (my $map = find $k) {
1606 or next;
1607 $map->load; 2206 $map->load if $v;
2207 }
1608 2208
1609 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1610 } 2210 }
1611 } 2211 }
1612 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1613 }; 2213 };
1614 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1617} 2217}
1618 2218
1619sub save { 2219sub save {
1620 my ($self) = @_; 2220 my ($self) = @_;
1621 2221
1622 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1623 2223
1624 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1625 2225
1626 return unless $self->dirty; 2226 return unless $self->dirty;
1627 2227
1633 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1634 2234
1635 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1636 2236
1637 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1638 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1639 }; 2240 };
2241
2242 cf::get_slot 0.02;
1640 2243
1641 if ($uniq) { 2244 if ($uniq) {
1642 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1644 } else { 2247 } else {
1650 my ($self) = @_; 2253 my ($self) = @_;
1651 2254
1652 # save first because save cedes 2255 # save first because save cedes
1653 $self->save; 2256 $self->save;
1654 2257
1655 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1656 2259
1657 return if $self->players; 2260 return if $self->players;
1658 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1659 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1660 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1661 $self->clear; 2268 $self->clear;
1662 $self->in_memory (cf::MAP_SWAPPED);
1663} 2269}
1664 2270
1665sub reset_at { 2271sub reset_at {
1666 my ($self) = @_; 2272 my ($self) = @_;
1667 2273
1668 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1669 return 1e99 if $self->isa ("ext::map_per_player");#d#
1670 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1671 2276
1672 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674 2279
1685 my ($self) = @_; 2290 my ($self) = @_;
1686 2291
1687 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1688 2293
1689 return if $self->players; 2294 return if $self->players;
1690 return if $self->isa ("ext::map_per_player");#d#
1691 2295
1692 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1693 2297
1694 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1695 2299
1696 # need to save uniques path 2300 # need to save uniques path
1697 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1701 if $uniq; 2305 if $uniq;
1702 } 2306 }
1703 2307
1704 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1705 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1706 $self->clear; 2312 $self->clear;
1707
1708 $_->clear_links_to ($self) for values %cf::MAP;
1709 2313
1710 $self->unlink_save; 2314 $self->unlink_save;
1711 $self->destroy; 2315 $self->destroy;
1712} 2316}
1713 2317
1714my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1715 2319
1716sub nuke { 2320sub nuke {
1717 my ($self) = @_; 2321 my ($self) = @_;
1718 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1719 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1720 2327
1721 $self->unlink_save; 2328 $self->unlink_save;
1722 2329
1723 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1724 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1725 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1726 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1727 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728 2335
1729 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1730 2338
1731 $self->reset; # polite request, might not happen 2339 $self->reset; # polite request, might not happen
2340}
2341
2342=item $maps = cf::map::tmp_maps
2343
2344Returns an arrayref with all map paths of currently instantiated and saved
2345maps. May block.
2346
2347=cut
2348
2349sub tmp_maps() {
2350 [
2351 map {
2352 utf8::decode $_;
2353 /\.map$/
2354 ? normalise $_
2355 : ()
2356 } @{ aio_readdir $TMPDIR or [] }
2357 ]
2358}
2359
2360=item $maps = cf::map::random_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363random maps. May block.
2364
2365=cut
2366
2367sub random_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise "?random/$_"
2373 : ()
2374 } @{ aio_readdir $RANDOMDIR or [] }
2375 ]
1732} 2376}
1733 2377
1734=item cf::map::unique_maps 2378=item cf::map::unique_maps
1735 2379
1736Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1737instantiated unique items. May block. 2381instantiated unique items. May block.
1738 2382
1739=cut 2383=cut
1740 2384
1741sub unique_maps() { 2385sub unique_maps() {
1742 my $files = aio_readdir $UNIQUEDIR 2386 [
1743 or return; 2387 map {
1744
1745 my @paths;
1746
1747 for (@$files) {
1748 utf8::decode $_; 2388 utf8::decode $_;
1749 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1750 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751 2391 ? ()
1752 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1753 } 2394 ]
1754
1755 \@paths
1756} 2395}
1757
1758package cf;
1759 2396
1760=back 2397=back
1761 2398
1762=head3 cf::object 2399=head3 cf::object
1763 2400
1767 2404
1768=over 4 2405=over 4
1769 2406
1770=item $ob->inv_recursive 2407=item $ob->inv_recursive
1771 2408
1772Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1773 2411
1774=cut 2412=cut
1775 2413
1776sub inv_recursive_; 2414sub inv_recursive_;
1777sub inv_recursive_ { 2415sub inv_recursive_ {
1780 2418
1781sub inv_recursive { 2419sub inv_recursive {
1782 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1783} 2421}
1784 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1785package cf; 2451package cf;
1786 2452
1787=back 2453=back
1788 2454
1789=head3 cf::object::player 2455=head3 cf::object::player
1795Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796can be C<undef>. Does the right thing when the player is currently in a 2462can be C<undef>. Does the right thing when the player is currently in a
1797dialogue with the given NPC character. 2463dialogue with the given NPC character.
1798 2464
1799=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1800 2480
1801# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1802# with dialog boxes. 2482# with dialog boxes.
1803#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1804sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1806 2486
1807 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808 2488
1809 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1810 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1811 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1812 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1813 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1814 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1815} 2514}
1816 2515
1817=item $player_object->may ("access") 2516=item $player_object->may ("access")
1818 2517
1819Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1866 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1867 2566
1868 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1869 2568
1870 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1872 2571
1873 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1874} 2573}
1875 2574
1876sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1877 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1878 2579
1879 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1880 2581
1881 unless ($map) { 2582 unless ($map) {
1882 # restore original map position 2583 # restore original map position
1896 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1897 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1898 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1899 2600
1900 $map->load; 2601 $map->load;
1901 $map->load_diag; 2602 $map->load_neighbours;
1902 2603
1903 return unless $self->contr->active; 2604 return unless $self->contr->active;
1904 $self->activate_recursive; 2605 $self->activate_recursive;
1905 2606
1906 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1908} 2609}
1909 2610
1910cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911 on_logout => sub {
1912 my ($pl) = @_;
1913 2612
1914 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1915 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1916 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1917 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1918 }; 2617be called at the end of this process.
1919 }
1920 },
1921 on_login => sub {
1922 my ($pl) = @_;
1923 2618
1924 # try to abort aborted map switching on player login :) 2619Note that $check will be called with a potentially non-loaded map, so if
1925 # should happen only on crashes 2620it needs a loaded map it has to call C<< ->load >>.
1926 if ($pl->ob->{_link_pos}) {
1927 $pl->ob->enter_link;
1928 (async {
1929 $pl->ob->reply (undef,
1930 "There was an internal problem at your last logout, "
1931 . "the server will try to bring you to your intended destination in a second.",
1932 cf::NDI_RED);
1933 # we need this sleep as the login has a concurrent enter_exit running
1934 # and this sleep increases chances of the player not ending up in scorn
1935 Coro::Timer::sleep 1;
1936 $pl->ob->leave_link;
1937 })->prio (2);
1938 }
1939 },
1940);
1941 2621
1942=item $player_object->goto ($path, $x, $y)
1943
1944=cut 2622=cut
2623
2624our $GOTOGEN;
1945 2625
1946sub cf::object::player::goto { 2626sub cf::object::player::goto {
1947 my ($self, $path, $x, $y) = @_; 2627 my ($self, $path, $x, $y, $check, $done) = @_;
2628
2629 # do generation counting so two concurrent goto's will be executed in-order
2630 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948 2631
1949 $self->enter_link; 2632 $self->enter_link;
1950 2633
1951 (async { 2634 (async {
2635 $Coro::current->{desc} = "player::goto $path $x $y";
2636
2637 # *tag paths override both path and x|y
2638 if ($path =~ /^\*(.*)$/) {
2639 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2640 my $ob = $obs[rand @obs];
2641
2642 # see if we actually can go there
2643 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2644 $ob = $obs[rand @obs];
2645 } else {
2646 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2647 }
2648 # else put us there anyways for now #d#
2649
2650 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2651 } else {
2652 ($path, $x, $y) = (undef, undef, undef);
2653 }
2654 }
2655
1952 my $map = eval { 2656 my $map = eval {
1953 my $map = cf::map::find $path; 2657 my $map = defined $path ? cf::map::find $path : undef;
2658
2659 if ($map) {
1954 $map = $map->customise_for ($self) if $map; 2660 $map = $map->customise_for ($self);
2661 $map = $check->($map) if $check && $map;
2662 } else {
2663 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2664 }
2665
1955 $map 2666 $map
2667 };
2668
2669 if ($@) {
2670 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2671 LOG llevError | logBacktrace, Carp::longmess $@;
1956 } or 2672 }
1957 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958 2673
2674 if ($gen == $self->{_goto_generation}) {
2675 delete $self->{_goto_generation};
1959 $self->leave_link ($map, $x, $y); 2676 $self->leave_link ($map, $x, $y);
2677 }
2678
2679 $done->() if $done;
1960 })->prio (1); 2680 })->prio (1);
1961} 2681}
1962 2682
1963=item $player_object->enter_exit ($exit_object) 2683=item $player_object->enter_exit ($exit_object)
1964 2684
1984} 2704}
1985 2705
1986sub prepare_random_map { 2706sub prepare_random_map {
1987 my ($exit) = @_; 2707 my ($exit) = @_;
1988 2708
1989 my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991 # all this does is basically replace the /! path by 2709 # all this does is basically replace the /! path by
1992 # a new random map path (?random/...) with a seed 2710 # a new random map path (?random/...) with a seed
1993 # that depends on the exit object 2711 # that depends on the exit object
1994 2712
1995 my $rmp = parse_random_map_params $exit->msg; 2713 my $rmp = parse_random_map_params $exit->msg;
1997 if ($exit->map) { 2715 if ($exit->map) {
1998 $rmp->{region} = $exit->region->name; 2716 $rmp->{region} = $exit->region->name;
1999 $rmp->{origin_map} = $exit->map->path; 2717 $rmp->{origin_map} = $exit->map->path;
2000 $rmp->{origin_x} = $exit->x; 2718 $rmp->{origin_x} = $exit->x;
2001 $rmp->{origin_y} = $exit->y; 2719 $rmp->{origin_y} = $exit->y;
2720
2721 $exit->map->touch;
2002 } 2722 }
2003 2723
2004 $rmp->{random_seed} ||= $exit->random_seed; 2724 $rmp->{random_seed} ||= $exit->random_seed;
2005 2725
2006 my $data = cf::to_json $rmp; 2726 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007 my $md5 = Digest::MD5::md5_hex $data; 2727 my $md5 = Digest::MD5::md5_hex $data;
2008 my $meta = "$RANDOMDIR/$md5.meta"; 2728 my $meta = "$RANDOMDIR/$md5.meta";
2009 2729
2010 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2730 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011 aio_write $fh, 0, (length $data), $data, 0; 2731 aio_write $fh, 0, (length $data), $data, 0;
2012 undef $fh; 2732 undef $fh;
2013 aio_rename "$meta~", $meta; 2733 aio_rename "$meta~", $meta;
2014 2734
2735 my $slaying = "?random/$md5";
2736
2737 if ($exit->valid) {
2015 $exit->slaying ("?random/$md5"); 2738 $exit->slaying ("?random/$md5");
2016 $exit->msg (undef); 2739 $exit->msg (undef);
2740 }
2017 } 2741 }
2018} 2742}
2019 2743
2020sub cf::object::player::enter_exit { 2744sub cf::object::player::enter_exit {
2021 my ($self, $exit) = @_; 2745 my ($self, $exit) = @_;
2022 2746
2023 return unless $self->type == cf::PLAYER; 2747 return unless $self->type == cf::PLAYER;
2024 2748
2025 if ($exit->slaying eq "/!") {
2026 #TODO: this should de-fi-ni-te-ly not be a sync-job
2027 # the problem is that $exit might not survive long enough
2028 # so it needs to be done right now, right here
2029 cf::sync_job { prepare_random_map $exit };
2030 }
2031
2032 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033 my $hp = $exit->stats->hp;
2034 my $sp = $exit->stats->sp;
2035
2036 $self->enter_link; 2749 $self->enter_link;
2037 2750
2038 (async { 2751 (async {
2039 $self->deactivate_recursive; # just to be sure 2752 $Coro::current->{desc} = "enter_exit";
2753
2040 unless (eval { 2754 unless (eval {
2755 $self->deactivate_recursive; # just to be sure
2756
2757 # random map handling
2758 {
2759 my $guard = cf::lock_acquire "exit_prepare:$exit";
2760
2761 prepare_random_map $exit
2762 if $exit->slaying eq "/!";
2763 }
2764
2765 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2766 my $x = $exit->stats->hp;
2767 my $y = $exit->stats->sp;
2768
2041 $self->goto ($slaying, $hp, $sp); 2769 $self->goto ($map, $x, $y);
2042 2770
2771 # if exit is damned, update players death & WoR home-position
2772 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED);
2774
2043 1; 2775 1
2044 }) { 2776 }) {
2045 $self->message ("Something went wrong deep within the crossfire server. " 2777 $self->message ("Something went wrong deep within the crossfire server. "
2046 . "I'll try to bring you back to the map you were before. " 2778 . "I'll try to bring you back to the map you were before. "
2047 . "Please report this to the dungeon master!", 2779 . "Please report this to the dungeon master!",
2048 cf::NDI_UNIQUE | cf::NDI_RED); 2780 cf::NDI_UNIQUE | cf::NDI_RED);
2069 2801
2070 utf8::encode $text; 2802 utf8::encode $text;
2071 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2803 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072} 2804}
2073 2805
2806=item $client->send_msg ($channel, $msg, $color, [extra...])
2807
2808Send a drawinfo or msg packet to the client, formatting the msg for the
2809client if neccessary. C<$type> should be a string identifying the type of
2810the message, with C<log> being the default. If C<$color> is negative, suppress
2811the message unless the client supports the msg packet.
2812
2813=cut
2814
2815# non-persistent channels (usually the info channel)
2816our %CHANNEL = (
2817 "c/identify" => {
2818 id => "infobox",
2819 title => "Identify",
2820 reply => undef,
2821 tooltip => "Items recently identified",
2822 },
2823 "c/examine" => {
2824 id => "infobox",
2825 title => "Examine",
2826 reply => undef,
2827 tooltip => "Signs and other items you examined",
2828 },
2829 "c/book" => {
2830 id => "infobox",
2831 title => "Book",
2832 reply => undef,
2833 tooltip => "The contents of a note or book",
2834 },
2835 "c/lookat" => {
2836 id => "infobox",
2837 title => "Look",
2838 reply => undef,
2839 tooltip => "What you saw there",
2840 },
2841 "c/who" => {
2842 id => "infobox",
2843 title => "Players",
2844 reply => undef,
2845 tooltip => "Shows players who are currently online",
2846 },
2847 "c/body" => {
2848 id => "infobox",
2849 title => "Body Parts",
2850 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available",
2852 },
2853 "c/uptime" => {
2854 id => "infobox",
2855 title => "Uptime",
2856 reply => undef,
2857 tooltip => "How long the server has been running since last restart",
2858 },
2859 "c/mapinfo" => {
2860 id => "infobox",
2861 title => "Map Info",
2862 reply => undef,
2863 tooltip => "Information related to the maps",
2864 },
2865 "c/party" => {
2866 id => "party",
2867 title => "Party",
2868 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party",
2870 },
2871);
2872
2873sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_;
2875
2876 $msg = $self->pl->expand_cfpod ($msg);
2877
2878 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879
2880 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel};
2883
2884 $self->ext_msg (channel_info => $channel)
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id};
2888
2889 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel)
2894 if $self->can_msg;
2895 }
2896
2897 $channel = $channel->{id};
2898 }
2899
2900 return unless @extra || length $msg;
2901
2902 if ($self->can_msg) {
2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF;
2906
2907 $self->send_packet ("msg " . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2909 } else {
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920
2921 $color &= cf::NDI_COLOR_MASK;
2922
2923 utf8::encode $msg;
2924
2925 if (0 && $msg =~ /\[/) {
2926 # COMMAND/INFO
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 }
2934}
2935
2074=item $client->ext_event ($type, %msg) 2936=item $client->ext_msg ($type, @msg)
2075 2937
2076Sends an exti event to the client. 2938Sends an ext event to the client.
2077 2939
2078=cut 2940=cut
2079 2941
2080sub cf::client::ext_event($$%) { 2942sub cf::client::ext_msg($$@) {
2081 my ($self, $type, %msg) = @_; 2943 my ($self, $type, @msg) = @_;
2082 2944
2945 if ($self->extcmd == 2) {
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947 } elsif ($self->extcmd == 1) { # TODO: remove
2083 $msg{msgtype} = "event_$type"; 2948 push @msg, msgtype => "event_$type";
2084 $self->send_packet ("ext " . cf::to_json \%msg); 2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2951}
2952
2953=item $client->ext_reply ($msgid, @msg)
2954
2955Sends an ext reply to the client.
2956
2957=cut
2958
2959sub cf::client::ext_reply($$@) {
2960 my ($self, $id, @msg) = @_;
2961
2962 if ($self->extcmd == 2) {
2963 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964 } elsif ($self->extcmd == 1) {
2965 #TODO: version 1, remove
2966 unshift @msg, msgtype => "reply", msgid => $id;
2967 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968 }
2085} 2969}
2086 2970
2087=item $success = $client->query ($flags, "text", \&cb) 2971=item $success = $client->query ($flags, "text", \&cb)
2088 2972
2089Queues a query to the client, calling the given callback with 2973Queues a query to the client, calling the given callback with
2090the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2974the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2975C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092 2976
2093Queries can fail, so check the return code. Or don't, as queries will become 2977Queries can fail, so check the return code. Or don't, as queries will
2094reliable at some point in the future. 2978become reliable at some point in the future.
2095 2979
2096=cut 2980=cut
2097 2981
2098sub cf::client::query { 2982sub cf::client::query {
2099 my ($self, $flags, $text, $cb) = @_; 2983 my ($self, $flags, $text, $cb) = @_;
2107 utf8::encode $text; 2991 utf8::encode $text;
2108 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2992 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109 2993
2110 $self->send_packet ($self->{query_queue}[0][0]) 2994 $self->send_packet ($self->{query_queue}[0][0])
2111 if @{ $self->{query_queue} } == 1; 2995 if @{ $self->{query_queue} } == 1;
2996
2997 1
2112} 2998}
2113 2999
2114cf::client->attach ( 3000cf::client->attach (
3001 on_connect => sub {
3002 my ($ns) = @_;
3003
3004 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3005 },
2115 on_reply => sub { 3006 on_reply => sub {
2116 my ($ns, $msg) = @_; 3007 my ($ns, $msg) = @_;
2117 3008
2118 # this weird shuffling is so that direct followup queries 3009 # this weird shuffling is so that direct followup queries
2119 # get handled first 3010 # get handled first
2131 } else { 3022 } else {
2132 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3023 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133 } 3024 }
2134 } 3025 }
2135 }, 3026 },
3027 on_exticmd => sub {
3028 my ($ns, $buf) = @_;
3029
3030 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3031
3032 if (ref $msg) {
3033 my ($type, $reply, @payload) =
3034 "ARRAY" eq ref $msg
3035 ? @$msg
3036 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3037
3038 my @reply;
3039
3040 if (my $cb = $EXTICMD{$type}) {
3041 @reply = $cb->($ns, @payload);
3042 }
3043
3044 $ns->ext_reply ($reply, @reply)
3045 if $reply;
3046
3047 } else {
3048 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3049 }
3050
3051 cf::override;
3052 },
2136); 3053);
2137 3054
2138=item $client->async (\&cb) 3055=item $client->async (\&cb)
2139 3056
2140Create a new coroutine, running the specified callback. The coroutine will 3057Create a new coroutine, running the specified callback. The coroutine will
2181our $safe = new Safe "safe"; 3098our $safe = new Safe "safe";
2182our $safe_hole = new Safe::Hole; 3099our $safe_hole = new Safe::Hole;
2183 3100
2184$SIG{FPE} = 'IGNORE'; 3101$SIG{FPE} = 'IGNORE';
2185 3102
2186$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3103$safe->permit_only (Opcode::opset qw(
3104 :base_core :base_mem :base_orig :base_math
3105 grepstart grepwhile mapstart mapwhile
3106 sort time
3107));
2187 3108
2188# here we export the classes and methods available to script code 3109# here we export the classes and methods available to script code
2189 3110
2190=pod 3111=pod
2191 3112
2192The following functions and methods are available within a safe environment: 3113The following functions and methods are available within a safe environment:
2193 3114
2194 cf::object contr pay_amount pay_player map 3115 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split
3118
2195 cf::object::player player 3119 cf::object::player
2196 cf::player peaceful 3120 player
2197 cf::map trigger 3121
3122 cf::player
3123 peaceful
3124
3125 cf::map
3126 trigger
2198 3127
2199=cut 3128=cut
2200 3129
2201for ( 3130for (
2202 ["cf::object" => qw(contr pay_amount pay_player map)], 3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132 insert remove inv nrof name archname title slaying race
3133 decrease split destroy change_exp)],
2203 ["cf::object::player" => qw(player)], 3134 ["cf::object::player" => qw(player)],
2204 ["cf::player" => qw(peaceful)], 3135 ["cf::player" => qw(peaceful)],
2205 ["cf::map" => qw(trigger)], 3136 ["cf::map" => qw(trigger)],
2206) { 3137) {
2207 no strict 'refs'; 3138 no strict 'refs';
2278=back 3209=back
2279 3210
2280=cut 3211=cut
2281 3212
2282############################################################################# 3213#############################################################################
2283
2284=head2 EXTENSION DATABASE SUPPORT
2285
2286Crossfire maintains a very simple database for extension use. It can
2287currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288convert to/from binary).
2289
2290The parameter C<$family> should best start with the name of the extension
2291using it, it should be unique.
2292
2293=over 4
2294
2295=item $value = cf::db_get $family => $key
2296
2297Returns a single value from the database.
2298
2299=item cf::db_put $family => $key => $value
2300
2301Stores the given C<$value> in the family.
2302
2303=cut
2304
2305our $DB;
2306
2307sub db_init {
2308 unless ($DB) {
2309 $DB = BDB::db_create $DB_ENV;
2310
2311 cf::sync_job {
2312 eval {
2313 $DB->set_flags (BDB::CHKSUM);
2314
2315 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317 cf::cleanup "db_open(db): $!" if $!;
2318 };
2319 cf::cleanup "db_open(db): $@" if $@;
2320 };
2321 }
2322}
2323
2324sub db_get($$) {
2325 my $key = "$_[0]/$_[1]";
2326
2327 cf::sync_job {
2328 BDB::db_get $DB, undef, $key, my $data;
2329
2330 $! ? ()
2331 : $data
2332 }
2333}
2334
2335sub db_put($$$) {
2336 BDB::dbreq_pri 4;
2337 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338}
2339
2340=item cf::cache $id => [$paths...], $processversion => $process
2341
2342Generic caching function that returns the value of the resource $id,
2343caching and regenerating as required.
2344
2345This function can block.
2346
2347=cut
2348
2349sub cache {
2350 my ($id, $src, $processversion, $process) = @_;
2351
2352 my $meta =
2353 join "\x00",
2354 $processversion,
2355 map {
2356 aio_stat $_
2357 and Carp::croak "$_: $!";
2358
2359 ($_, (stat _)[7,9])
2360 } @$src;
2361
2362 my $dbmeta = db_get cache => "$id/meta";
2363 if ($dbmeta ne $meta) {
2364 # changed, we may need to process
2365
2366 my @data;
2367 my $md5;
2368
2369 for (0 .. $#$src) {
2370 0 <= aio_load $src->[$_], $data[$_]
2371 or Carp::croak "$src->[$_]: $!";
2372 }
2373
2374 # if processing is expensive, check
2375 # checksum first
2376 if (1) {
2377 $md5 =
2378 join "\x00",
2379 $processversion,
2380 map {
2381 Coro::cede;
2382 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2383 } 0.. $#$src;
2384
2385
2386 my $dbmd5 = db_get cache => "$id/md5";
2387 if ($dbmd5 eq $md5) {
2388 db_put cache => "$id/meta", $meta;
2389
2390 return db_get cache => "$id/data";
2391 }
2392 }
2393
2394 my $t1 = Time::HiRes::time;
2395 my $data = $process->(\@data);
2396 my $t2 = Time::HiRes::time;
2397
2398 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400 db_put cache => "$id/data", $data;
2401 db_put cache => "$id/md5" , $md5;
2402 db_put cache => "$id/meta", $meta;
2403
2404 return $data;
2405 }
2406
2407 db_get cache => "$id/data"
2408}
2409
2410=item fork_call { }, $args
2411
2412Executes the given code block with the given arguments in a seperate
2413process, returning the results. Everything must be serialisable with
2414Coro::Storable. May, of course, block. Note that the executed sub may
2415never block itself or use any form of Event handling.
2416
2417=cut
2418
2419sub fork_call(&@) {
2420 my ($cb, @args) = @_;
2421
2422# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423# or die "socketpair: $!";
2424 pipe my $fh1, my $fh2
2425 or die "pipe: $!";
2426
2427 if (my $pid = fork) {
2428 close $fh2;
2429
2430 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431 $res = Coro::Storable::thaw $res;
2432
2433 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435 die $$res unless "ARRAY" eq ref $res;
2436
2437 return wantarray ? @$res : $res->[-1];
2438 } else {
2439 local $SIG{__WARN__};
2440 eval {
2441 local $SIG{__DIE__};
2442 close $fh1;
2443
2444 my @res = eval { $cb->(@args) };
2445 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446 };
2447
2448 warn $@ if $@;
2449 _exit 0;
2450 }
2451}
2452
2453
2454
2455#############################################################################
2456# the server's init and main functions 3214# the server's init and main functions
2457 3215
2458sub load_facedata($) { 3216sub load_facedata($) {
2459 my ($path) = @_; 3217 my ($path) = @_;
3218
3219 # HACK to clear player env face cache, we need some signal framework
3220 # for this (global event?)
3221 %ext::player_env::MUSIC_FACE_CACHE = ();
3222
3223 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460 3224
2461 warn "loading facedata from $path\n"; 3225 warn "loading facedata from $path\n";
2462 3226
2463 my $facedata; 3227 my $facedata;
2464 0 < aio_load $path, $facedata 3228 0 < aio_load $path, $facedata
2467 $facedata = Coro::Storable::thaw $facedata; 3231 $facedata = Coro::Storable::thaw $facedata;
2468 3232
2469 $facedata->{version} == 2 3233 $facedata->{version} == 2
2470 or cf::cleanup "$path: version mismatch, cannot proceed."; 3234 or cf::cleanup "$path: version mismatch, cannot proceed.";
2471 3235
3236 # patch in the exptable
3237 $facedata->{resource}{"res/exp_table"} = {
3238 type => FT_RSRC,
3239 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3240 };
3241 cf::cede_to_tick;
3242
2472 { 3243 {
2473 my $faces = $facedata->{faceinfo}; 3244 my $faces = $facedata->{faceinfo};
2474 3245
2475 while (my ($face, $info) = each %$faces) { 3246 while (my ($face, $info) = each %$faces) {
2476 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3247 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248
2477 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3249 cf::face::set_visibility $idx, $info->{visibility};
3250 cf::face::set_magicmap $idx, $info->{magicmap};
2478 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3251 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3252 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480 Coro::cede; 3253
3254 cf::cede_to_tick;
2481 } 3255 }
2482 3256
2483 while (my ($face, $info) = each %$faces) { 3257 while (my ($face, $info) = each %$faces) {
2484 next unless $info->{smooth}; 3258 next unless $info->{smooth};
3259
2485 my $idx = cf::face::find $face 3260 my $idx = cf::face::find $face
2486 or next; 3261 or next;
3262
2487 if (my $smooth = cf::face::find $info->{smooth}) { 3263 if (my $smooth = cf::face::find $info->{smooth}) {
3264 cf::face::set_smooth $idx, $smooth;
2488 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3265 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489 } else { 3266 } else {
2490 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3267 warn "smooth face '$info->{smooth}' not found for face '$face'";
2491 } 3268 }
2492 Coro::cede; 3269
3270 cf::cede_to_tick;
2493 } 3271 }
2494 } 3272 }
2495 3273
2496 { 3274 {
2497 my $anims = $facedata->{animinfo}; 3275 my $anims = $facedata->{animinfo};
2498 3276
2499 while (my ($anim, $info) = each %$anims) { 3277 while (my ($anim, $info) = each %$anims) {
2500 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3278 cf::anim::set $anim, $info->{frames}, $info->{facings};
2501 Coro::cede; 3279 cf::cede_to_tick;
2502 } 3280 }
2503 3281
2504 cf::anim::invalidate_all; # d'oh 3282 cf::anim::invalidate_all; # d'oh
2505 } 3283 }
2506 3284
3285 {
3286 # TODO: for gcfclient pleasure, we should give resources
3287 # that gcfclient doesn't grok a >10000 face index.
3288 my $res = $facedata->{resource};
3289
3290 while (my ($name, $info) = each %$res) {
3291 if (defined $info->{type}) {
3292 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293 my $data;
3294
3295 if ($info->{type} & 1) {
3296 # prepend meta info
3297
3298 my $meta = $enc->encode ({
3299 name => $name,
3300 %{ $info->{meta} || {} },
3301 });
3302
3303 $data = pack "(w/a*)*", $meta, $info->{data};
3304 } else {
3305 $data = $info->{data};
3306 }
3307
3308 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309 cf::face::set_type $idx, $info->{type};
3310 } else {
3311 $RESOURCE{$name} = $info;
3312 }
3313
3314 cf::cede_to_tick;
3315 }
3316 }
3317
3318 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3319
2507 1 3320 1
2508} 3321}
2509 3322
3323cf::global->attach (on_resource_update => sub {
3324 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3325 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3326
3327 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3328 my $sound = $soundconf->{compat}[$_]
3329 or next;
3330
3331 my $face = cf::face::find "sound/$sound->[1]";
3332 cf::sound::set $sound->[0] => $face;
3333 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3334 }
3335
3336 while (my ($k, $v) = each %{$soundconf->{event}}) {
3337 my $face = cf::face::find "sound/$v";
3338 cf::sound::set $k => $face;
3339 }
3340 }
3341});
3342
3343register_exticmd fx_want => sub {
3344 my ($ns, $want) = @_;
3345
3346 while (my ($k, $v) = each %$want) {
3347 $ns->fx_want ($k, $v);
3348 }
3349};
3350
3351sub load_resource_file($) {
3352 my $guard = lock_acquire "load_resource_file";
3353
3354 my $status = load_resource_file_ $_[0];
3355 get_slot 0.1, 100;
3356 cf::arch::commit_load;
3357
3358 $status
3359}
3360
2510sub reload_regions { 3361sub reload_regions {
3362 # HACK to clear player env face cache, we need some signal framework
3363 # for this (global event?)
3364 %ext::player_env::MUSIC_FACE_CACHE = ();
3365
2511 load_resource_file "$MAPDIR/regions" 3366 load_resource_file "$MAPDIR/regions"
2512 or die "unable to load regions file\n"; 3367 or die "unable to load regions file\n";
3368
3369 for (cf::region::list) {
3370 $_->{match} = qr/$_->{match}/
3371 if exists $_->{match};
3372 }
2513} 3373}
2514 3374
2515sub reload_facedata { 3375sub reload_facedata {
2516 load_facedata "$DATADIR/facedata" 3376 load_facedata "$DATADIR/facedata"
2517 or die "unable to load facedata\n"; 3377 or die "unable to load facedata\n";
2528} 3388}
2529 3389
2530sub reload_resources { 3390sub reload_resources {
2531 warn "reloading resource files...\n"; 3391 warn "reloading resource files...\n";
2532 3392
2533 reload_regions;
2534 reload_facedata; 3393 reload_facedata;
2535 reload_archetypes; 3394 reload_archetypes;
3395 reload_regions;
2536 reload_treasures; 3396 reload_treasures;
2537 3397
2538 warn "finished reloading resource files\n"; 3398 warn "finished reloading resource files\n";
2539} 3399}
2540 3400
2541sub init { 3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
2542 reload_resources; 3406 reload_resources;
2543} 3407}
2544 3408
2545sub cfg_load { 3409sub reload_config {
2546 open my $fh, "<:utf8", "$CONFDIR/config" 3410 open my $fh, "<:utf8", "$CONFDIR/config"
2547 or return; 3411 or return;
2548 3412
2549 local $/; 3413 local $/;
2550 *CFG = YAML::Syck::Load <$fh>; 3414 *CFG = YAML::Load <$fh>;
2551 3415
2552 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553 3417
2554 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3419 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2566sub main { 3430sub main {
2567 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2568 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2569 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570 (async { 3434 (async {
2571 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2572 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2573 }; 3438 };
2574 3439
2575 cfg_load; 3440 {
3441 my $guard = freeze_mainloop;
3442 reload_config;
2576 db_init; 3443 db_init;
2577 load_extensions; 3444 load_extensions;
2578 3445
2579 $TICK_WATCHER->start; 3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3447 }
3448
2580 Event::loop; 3449 EV::loop;
2581} 3450}
2582 3451
2583############################################################################# 3452#############################################################################
2584# initialisation and cleanup 3453# initialisation and cleanup
2585 3454
2586# install some emergency cleanup handlers 3455# install some emergency cleanup handlers
2587BEGIN { 3456BEGIN {
3457 our %SIGWATCHER = ();
2588 for my $signal (qw(INT HUP TERM)) { 3458 for my $signal (qw(INT HUP TERM)) {
2589 Event->signal ( 3459 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2590 reentrant => 0,
2591 data => WF_AUTOCANCEL,
2592 signal => $signal,
2593 prio => 0,
2594 cb => sub {
2595 cf::cleanup "SIG$signal"; 3460 cf::cleanup "SIG$signal";
2596 },
2597 ); 3461 };
3462 }
3463}
3464
3465sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time.
3470
3471 IO::AIO::aio_utime $runtime, undef, undef;
3472
3473 my $guard = cf::lock_acquire "write_runtime";
3474
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3476 or return;
3477
3478 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server.
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 # touch it again to show we are up-to-date
3490 aio_utime $fh, undef, undef;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$runtime~", $runtime
3496 and return;
3497
3498 warn "runtime file written.\n";
3499
2598 } 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3518 $uuid_skip = 0;
3519
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return;
3522
3523 # always fsync - this file is important
3524 aio_fsync $fh
3525 and return;
3526
3527 close $fh
3528 or return;
3529
3530 aio_rename "$uuid~", $uuid
3531 and return;
3532
3533 warn "uuid file written ($value).\n";
3534
3535 1
3536
3537}
3538
3539sub write_uuid($$) {
3540 my ($skip, $sync) = @_;
3541
3542 $sync ? write_uuid_sync $skip
3543 : async { write_uuid_sync $skip };
2599} 3544}
2600 3545
2601sub emergency_save() { 3546sub emergency_save() {
2602 my $freeze_guard = cf::freeze_mainloop; 3547 my $freeze_guard = cf::freeze_mainloop;
2603 3548
2609 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
2610 warn "begin emergency player save\n"; 3555 warn "begin emergency player save\n";
2611 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
2612 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
2613 $pl->valid or next; 3558 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614 $pl->save; 3560 $pl->save;
2615 } 3561 }
2616 warn "end emergency player save\n"; 3562 warn "end emergency player save\n";
2617 3563
2618 warn "begin emergency map save\n"; 3564 warn "begin emergency map save\n";
2624 warn "end emergency map save\n"; 3570 warn "end emergency map save\n";
2625 3571
2626 warn "begin emergency database checkpoint\n"; 3572 warn "begin emergency database checkpoint\n";
2627 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
2628 warn "end emergency database checkpoint\n"; 3574 warn "end emergency database checkpoint\n";
3575
3576 warn "begin write uuid\n";
3577 write_uuid_sync 1;
3578 warn "end write uuid\n";
2629 }; 3579 };
2630 3580
2631 warn "leave emergency perl save\n"; 3581 warn "leave emergency perl save\n";
2632} 3582}
2633 3583
2648 warn "reloading..."; 3598 warn "reloading...";
2649 3599
2650 warn "entering sync_job"; 3600 warn "entering sync_job";
2651 3601
2652 cf::sync_job { 3602 cf::sync_job {
2653 cf::write_runtime; # external watchdog should not bark 3603 cf::write_runtime_sync; # external watchdog should not bark
2654 cf::emergency_save; 3604 cf::emergency_save;
2655 cf::write_runtime; # external watchdog should not bark 3605 cf::write_runtime_sync; # external watchdog should not bark
2656 3606
2657 warn "syncing database to disk"; 3607 warn "syncing database to disk";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3608 BDB::db_env_txn_checkpoint $DB_ENV;
2659 3609
2660 # if anything goes wrong in here, we should simply crash as we already saved 3610 # if anything goes wrong in here, we should simply crash as we already saved
2661
2662 warn "cancelling all WF_AUTOCANCEL watchers";
2663 for (Event::all_watchers) {
2664 $_->cancel if $_->data & WF_AUTOCANCEL;
2665 }
2666 3611
2667 warn "flushing outstanding aio requests"; 3612 warn "flushing outstanding aio requests";
2668 for (;;) { 3613 for (;;) {
2669 BDB::flush; 3614 BDB::flush;
2670 IO::AIO::flush; 3615 IO::AIO::flush;
2671 Coro::cede; 3616 Coro::cede_notself;
2672 last unless IO::AIO::nreqs || BDB::nreqs; 3617 last unless IO::AIO::nreqs || BDB::nreqs;
2673 warn "iterate..."; 3618 warn "iterate...";
2674 } 3619 }
2675 3620
2676 ++$RELOAD; 3621 ++$RELOAD;
2680 %EXT_CORO = (); 3625 %EXT_CORO = ();
2681 3626
2682 warn "removing commands"; 3627 warn "removing commands";
2683 %COMMAND = (); 3628 %COMMAND = ();
2684 3629
2685 warn "removing ext commands"; 3630 warn "removing ext/exti commands";
2686 %EXTCMD = (); 3631 %EXTCMD = ();
3632 %EXTICMD = ();
2687 3633
2688 warn "unloading/nuking all extensions"; 3634 warn "unloading/nuking all extensions";
2689 for my $pkg (@EXTS) { 3635 for my $pkg (@EXTS) {
2690 warn "... unloading $pkg"; 3636 warn "... unloading $pkg";
2691 3637
2734 warn "reloading cf.pm"; 3680 warn "reloading cf.pm";
2735 require cf; 3681 require cf;
2736 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737 3683
2738 warn "loading config and database again"; 3684 warn "loading config and database again";
2739 cf::cfg_load; 3685 cf::reload_config;
2740 3686
2741 warn "loading extensions"; 3687 warn "loading extensions";
2742 cf::load_extensions; 3688 cf::load_extensions;
2743 3689
2744 warn "reattaching attachments to objects/players"; 3690 warn "reattaching attachments to objects/players";
2751 warn "leaving sync_job"; 3697 warn "leaving sync_job";
2752 3698
2753 1 3699 1
2754 } or do { 3700 } or do {
2755 warn $@; 3701 warn $@;
2756 warn "error while reloading, exiting."; 3702 cf::cleanup "error while reloading, exiting.";
2757 exit 1;
2758 }; 3703 };
2759 3704
2760 warn "reloaded"; 3705 warn "reloaded";
2761}; 3706};
2762 3707
2764 3709
2765sub reload_perl() { 3710sub reload_perl() {
2766 # doing reload synchronously and two reloads happen back-to-back, 3711 # doing reload synchronously and two reloads happen back-to-back,
2767 # coro crashes during coro_state_free->destroy here. 3712 # coro crashes during coro_state_free->destroy here.
2768 3713
2769 $RELOAD_WATCHER ||= Event->timer ( 3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770 reentrant => 0,
2771 after => 0,
2772 data => WF_AUTOCANCEL,
2773 cb => sub {
2774 do_reload_perl; 3715 do_reload_perl;
2775 undef $RELOAD_WATCHER; 3716 undef $RELOAD_WATCHER;
2776 },
2777 ); 3717 };
2778} 3718}
2779 3719
2780register_command "reload" => sub { 3720register_command "reload" => sub {
2781 my ($who, $arg) = @_; 3721 my ($who, $arg) = @_;
2782 3722
2783 if ($who->flag (FLAG_WIZ)) { 3723 if ($who->flag (FLAG_WIZ)) {
2784 $who->message ("reloading server."); 3724 $who->message ("reloading server.");
3725 async {
3726 $Coro::current->{desc} = "perl_reload";
2785 async { reload_perl }; 3727 reload_perl;
3728 };
2786 } 3729 }
2787}; 3730};
2788 3731
2789unshift @INC, $LIBDIR; 3732unshift @INC, $LIBDIR;
2790 3733
2792 3735
2793our @WAIT_FOR_TICK; 3736our @WAIT_FOR_TICK;
2794our @WAIT_FOR_TICK_BEGIN; 3737our @WAIT_FOR_TICK_BEGIN;
2795 3738
2796sub wait_for_tick { 3739sub wait_for_tick {
2797 return unless $TICK_WATCHER->is_active;
2798 return if $Coro::current == $Coro::main; 3740 return if tick_inhibit || $Coro::current == $Coro::main;
2799 3741
2800 my $signal = new Coro::Signal; 3742 my $signal = new Coro::Signal;
2801 push @WAIT_FOR_TICK, $signal; 3743 push @WAIT_FOR_TICK, $signal;
2802 $signal->wait; 3744 $signal->wait;
2803} 3745}
2804 3746
2805sub wait_for_tick_begin { 3747sub wait_for_tick_begin {
2806 return unless $TICK_WATCHER->is_active;
2807 return if $Coro::current == $Coro::main; 3748 return if tick_inhibit || $Coro::current == $Coro::main;
2808 3749
2809 my $signal = new Coro::Signal; 3750 my $signal = new Coro::Signal;
2810 push @WAIT_FOR_TICK_BEGIN, $signal; 3751 push @WAIT_FOR_TICK_BEGIN, $signal;
2811 $signal->wait; 3752 $signal->wait;
2812} 3753}
2813 3754
2814$TICK_WATCHER = Event->timer ( 3755sub tick {
2815 reentrant => 0,
2816 parked => 1,
2817 prio => 0,
2818 at => $NEXT_TICK || $TICK,
2819 data => WF_AUTOCANCEL,
2820 cb => sub {
2821 if ($Coro::current != $Coro::main) { 3756 if ($Coro::current != $Coro::main) {
2822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3757 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823 unless ++$bug_warning > 10; 3758 unless ++$bug_warning > 10;
2824 return; 3759 return;
2825 } 3760 }
2826 3761
2827 $NOW = Event::time;
2828
2829 cf::server_tick; # one server iteration 3762 cf::server_tick; # one server iteration
2830 3763
2831 $RUNTIME += $TICK;
2832 $NEXT_TICK += $TICK;
2833
2834 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3764 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835 $NEXT_RUNTIME_WRITE = $NOW + 10; 3765 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836 Coro::async_pool { 3766 Coro::async_pool {
3767 $Coro::current->{desc} = "runtime saver";
2837 write_runtime 3768 write_runtime_sync
2838 or warn "ERROR: unable to write runtime file: $!"; 3769 or warn "ERROR: unable to write runtime file: $!";
2839 };
2840 } 3770 };
3771 }
2841 3772
2842# my $AFTER = Event::time;
2843# warn $AFTER - $NOW;#d#
2844
2845 # if we are delayed by four ticks or more, skip them all
2846 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848 $TICK_WATCHER->at ($NEXT_TICK);
2849 $TICK_WATCHER->start;
2850
2851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3773 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852 $sig->send; 3774 $sig->send;
2853 } 3775 }
2854 while (my $sig = shift @WAIT_FOR_TICK) { 3776 while (my $sig = shift @WAIT_FOR_TICK) {
2855 $sig->send; 3777 $sig->send;
2856 }
2857
2858 _post_tick;
2859 }, 3778 }
2860); 3779
3780 $LOAD = ($NOW - $TICK_START) / $TICK;
3781 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3782
3783 if (0) {
3784 if ($NEXT_TICK) {
3785 my $jitter = $TICK_START - $NEXT_TICK;
3786 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3787 warn "jitter $JITTER\n";#d#
3788 }
3789 }
3790}
2861 3791
2862{ 3792{
2863 BDB::max_poll_time $TICK * 0.1; 3793 # configure BDB
2864 $BDB_POLL_WATCHER = Event->io ( 3794
2865 reentrant => 0,
2866 fd => BDB::poll_fileno,
2867 poll => 'r',
2868 prio => 0,
2869 data => WF_AUTOCANCEL,
2870 cb => \&BDB::poll_cb,
2871 );
2872 BDB::min_parallel 8; 3795 BDB::min_parallel 8;
2873 3796 BDB::max_poll_reqs $TICK * 0.1;
2874 BDB::set_sync_prepare { 3797 $AnyEvent::BDB::WATCHER->priority (1);
2875 my $status;
2876 my $current = $Coro::current;
2877 (
2878 sub {
2879 $status = $!;
2880 $current->ready; undef $current;
2881 },
2882 sub {
2883 Coro::schedule while defined $current;
2884 $! = $status;
2885 },
2886 )
2887 };
2888 3798
2889 unless ($DB_ENV) { 3799 unless ($DB_ENV) {
2890 $DB_ENV = BDB::db_env_create; 3800 $DB_ENV = BDB::db_env_create;
3801 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3802 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3803 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3804 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3805 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891 3806
2892 cf::sync_job { 3807 cf::sync_job {
2893 eval { 3808 eval {
2894 BDB::db_env_open 3809 BDB::db_env_open
2895 $DB_ENV, 3810 $DB_ENV,
2897 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3812 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3813 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899 0666; 3814 0666;
2900 3815
2901 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3816 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904 $DB_ENV->set_lk_detect;
2905 }; 3817 };
2906 3818
2907 cf::cleanup "db_env_open(db): $@" if $@; 3819 cf::cleanup "db_env_open(db): $@" if $@;
2908 }; 3820 };
2909 } 3821 }
3822
3823 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3824 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3825 };
3826 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3827 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3828 };
3829 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3830 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3831 };
2910} 3832}
2911 3833
2912{ 3834{
3835 # configure IO::AIO
3836
2913 IO::AIO::min_parallel 8; 3837 IO::AIO::min_parallel 8;
2914
2915 undef $Coro::AIO::WATCHER;
2916 IO::AIO::max_poll_time $TICK * 0.1; 3838 IO::AIO::max_poll_time $TICK * 0.1;
2917 $AIO_POLL_WATCHER = Event->io ( 3839 undef $AnyEvent::AIO::WATCHER;
2918 reentrant => 0, 3840}
2919 data => WF_AUTOCANCEL, 3841
2920 fd => IO::AIO::poll_fileno, 3842my $_log_backtrace;
2921 poll => 'r', 3843
2922 prio => 6, 3844sub _log_backtrace {
2923 cb => \&IO::AIO::poll_cb, 3845 my ($msg, @addr) = @_;
2924 ); 3846
3847 $msg =~ s/\n//;
3848
3849 # limit the # of concurrent backtraces
3850 if ($_log_backtrace < 2) {
3851 ++$_log_backtrace;
3852 async {
3853 $Coro::current->{desc} = "abt $msg";
3854
3855 my @bt = fork_call {
3856 @addr = map { sprintf "%x", $_ } @addr;
3857 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3858 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3859 or die "addr2line: $!";
3860
3861 my @funcs;
3862 my @res = <$fh>;
3863 chomp for @res;
3864 while (@res) {
3865 my ($func, $line) = splice @res, 0, 2, ();
3866 push @funcs, "[$func] $line";
3867 }
3868
3869 @funcs
3870 };
3871
3872 LOG llevInfo, "[ABT] $msg\n";
3873 LOG llevInfo, "[ABT] $_\n" for @bt;
3874 --$_log_backtrace;
3875 };
3876 } else {
3877 LOG llevInfo, "[ABT] $msg\n";
3878 LOG llevInfo, "[ABT] [suppressed]\n";
3879 }
2925} 3880}
2926 3881
2927# load additional modules 3882# load additional modules
2928use cf::pod; 3883use cf::pod;
2929 3884

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines