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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.61 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
24 50
51use JSON::XS 2.01 ();
25use BDB (); 52use BDB ();
26use Data::Dumper; 53use Data::Dumper;
27use Digest::MD5; 54use Digest::MD5;
28use Fcntl; 55use Fcntl;
29use YAML::Syck (); 56use YAML ();
30use IO::AIO 2.32 (); 57use IO::AIO ();
31use Time::HiRes; 58use Time::HiRes;
32use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::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 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 69
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 71
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 73
49our %COMMAND = (); 74our %COMMAND = ();
50our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
51 76
52our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
56 82
57our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
58our @EVENT; 84our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 92our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 95our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
71 98
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 99our $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 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 101our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
79 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 107our $DB_ENV;
82 108
83our %CFG; 109our %CFG;
84 110
85our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 112our $RUNTIME;
113our $NOW;
87 114
88our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
91 118
92# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 121
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 125our $TICK_START; # for load detecting purposes
98 126
99binmode STDOUT; 127binmode STDOUT;
100binmode STDERR; 128binmode STDERR;
101 129
102# read virtual server time, if available 130# read virtual server time, if available
155 183
156The raw value load value from the last tick. 184The raw value load value from the last tick.
157 185
158=item %cf::CFG 186=item %cf::CFG
159 187
160Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 189from wherever your confdir points to.
162 190
163=item cf::wait_for_tick, cf::wait_for_tick_begin 191=item cf::wait_for_tick, cf::wait_for_tick_begin
164 192
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 194returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
202
169=back 203=back
170 204
171=cut 205=cut
172 206
173BEGIN { 207BEGIN {
177 $msg .= "\n" 211 $msg .= "\n"
178 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
179 213
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 215
182 utf8::encode $msg;
183 LOG llevError, $msg; 216 LOG llevError, $msg;
184 }; 217 };
185} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
186 234
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 245for my $pkg (qw(
198 cf::global cf::attachable 246 cf::global cf::attachable
199 cf::object cf::object::player 247 cf::object cf::object::player
200 cf::client cf::player 248 cf::client cf::player
201 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
202 cf::map cf::party cf::region 251 cf::party cf::region
203)) { 252)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 254}
207 255
208$Event::DIED = sub { 256$EV::DIED = sub {
209 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
210}; 258};
259
260#############################################################################
211 261
212=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
213 263
214=over 4 264=over 4
215 265
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 285 $d
236 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
237} 287}
238 288
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
242 290
243Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
244 292
245=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
246 294
247Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
296
297=cut
298
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300
301sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) }
248 303
249=item cf::lock_wait $string 304=item cf::lock_wait $string
250 305
251Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
252 307
255Wait until the given lock is available and then acquires it and returns 310Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
258returned. 313returned.
259 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
260Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
262 320
263=item $locked = cf::lock_active $string 321=item $locked = cf::lock_active $string
264 322
265Return true if the lock is currently active, i.e. somebody has locked it. 323Return true if the lock is currently active, i.e. somebody has locked it.
266 324
267=cut 325=cut
268 326
269our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
270 329
271sub lock_wait($) { 330sub lock_wait($) {
272 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
273 337
274 # wait for lock, if any 338 # wait for lock, if any
275 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 341 Coro::schedule;
283 347
284 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
285 lock_wait $key; 349 lock_wait $key;
286 350
287 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
288 353
289 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
292 } 358 }
293} 359}
294 360
297 363
298 ! ! $LOCK{$key} 364 ! ! $LOCK{$key}
299} 365}
300 366
301sub freeze_mainloop { 367sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
303 369
304 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
305 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
306 }; 431 }
307 $TICK_WATCHER->stop; 432};
308 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
309} 446}
310 447
311=item cf::async { BLOCK } 448=item cf::async { BLOCK }
312 449
313Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
318 455
319BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
320 457
321=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
322 459
323The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
326 464
327If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
330fast or be very important. 468fast or be very important.
333 471
334sub sync_job(&) { 472sub sync_job(&) {
335 my ($job) = @_; 473 my ($job) = @_;
336 474
337 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 476 my $time = EV::time;
339 477
340 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
342 480
343 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 482
345 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
346 484
347 my $busy = 1; 485 my $busy = 1;
348 my @res; 486 my @res;
349 487
350 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 490 @res = eval { $job->() };
352 warn $@ if $@; 491 warn $@ if $@;
353 undef $busy; 492 undef $busy;
354 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
355 494
356 while ($busy) { 495 while ($busy) {
357 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
358 } 500 }
501 }
359 502
360 $time = Event::time - $time; 503 my $time = EV::time - $time;
361 504
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 505 $TICK_START += $time; # do not account sync jobs to server load
366 506
367 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
368 } else { 508 } else {
369 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
370 510
390 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
391 531
392 $coro 532 $coro
393} 533}
394 534
395sub write_runtime { 535=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 536
398 # first touch the runtime file to show we are still running: 537Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
400 541
401 IO::AIO::aio_utime $runtime, undef, undef; 542=cut
402 543
403 my $guard = cf::lock_acquire "write_runtime"; 544sub fork_call(&@) {
545 my ($cb, @args) = @_;
404 546
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 547 # we seemingly have to make a local copy of the whole thing,
406 or return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
407 550
408 my $value = $cf::RUNTIME + 90 + 10; 551 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 552 reset_signals;
410 # 60 allows for the watchdog to kill the server. 553 &$cb
554 }, @args;
411 555
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 556 wantarray ? @res : $res[-1]
413 and return; 557}
414 558
415 # always fsync - this file is important 559=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 560
419 # touch it again to show we are up-to-date 561=cut
420 aio_utime $fh, undef, undef;
421 562
422 close $fh 563our %coin_alias = (
423 or return; 564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
424 579
425 aio_rename "$runtime~", $runtime 580sub coin_from_name($) {
426 and return; 581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
427 585
428 warn "runtime file written.\n"; 586=item $value = cf::db_get $family => $key
429 587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
430 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
431} 711}
432 712
433=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
434 714
435Log a datalog packet of the given type with the given key-value pairs. 715Log a datalog packet of the given type with the given key-value pairs.
453attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
455 735
456In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 738Deliantra).
459 739
460=over 4 740=over 4
461 741
462=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
463 743
665 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
666 } 946 }
667 947
668 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
669 } else { 949 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 951 }
672 952
673 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
674} 954}
675 955
715 "; 995 ";
716 die if $@; 996 die if $@;
717} 997}
718 998
719our $override; 999our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1001
722sub override { 1002sub override {
723 $override = 1; 1003 $override = 1;
724 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
725} 1005}
726 1006
727sub do_invoke { 1007sub do_invoke {
728 my $event = shift; 1008 my $event = shift;
729 my $callbacks = shift; 1009 my $callbacks = shift;
730 1010
731 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
732 1012
733 local $override; 1013 local $override;
734 1014
735 for (@$callbacks) { 1015 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
745 } 1025 }
746 1026
747 0 1027 0
748} 1028}
749 1029
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1031
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1033
754Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
755 1035
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1039
760=back 1040=back
761 1041
762=cut 1042=cut
763 1043
764############################################################################# 1044#############################################################################
765# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
766 1088
767sub reattach { 1089sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1091 my ($obj) = @_;
770 1092
1093 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1095
773 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
774 1097
775 @$registry = (); 1098 @$registry = ();
776 1099
791cf::attachable->attach ( 1114cf::attachable->attach (
792 prio => -1000000, 1115 prio => -1000000,
793 on_instantiate => sub { 1116 on_instantiate => sub {
794 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
795 1118
796 $data = from_json $data; 1119 $data = decode_json $data;
797 1120
798 for (@$data) { 1121 for (@$data) {
799 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
800 1123
801 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1140sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
819 1142
820 sync_job { 1143 sync_job {
821 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
824 1148
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1153 aio_close $fh;
830 1154
831 if (@$objs) { 1155 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1161 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
839 } 1163 }
840 } else { 1164 } else {
841 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
842 } 1166 }
847 } 1171 }
848 } else { 1172 } else {
849 aio_unlink $filename; 1173 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
851 } 1175 }
852 } 1176 };
853} 1177}
854 1178
855sub object_freezer_as_string { 1179sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
857 1181
869 or return; 1193 or return;
870 1194
871 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
873 or return; 1197 or return;
1198
874 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
875 } 1201 }
876 1202
1203 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1205 $decname, length $data, scalar @{$av || []};
1206
879 return ($data, $av); 1207 ($data, $av)
880} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
881 1215
882############################################################################# 1216#############################################################################
883# command handling &c 1217# command handling &c
884 1218
885=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1233}
900 1234
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1236
903Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
904 1242
905If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
906called. 1244called.
907 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
908=cut 1257=cut
909 1258
910sub register_extcmd { 1259sub register_extcmd {
911 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
912 1261
913 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
914} 1269}
915 1270
916cf::player->attach ( 1271cf::player->attach (
917 on_command => sub { 1272 on_command => sub {
918 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
927 cf::override; 1282 cf::override;
928 }, 1283 },
929 on_extcmd => sub { 1284 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
931 1286
932 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1288
934 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
940 } else { 1304 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1306 }
943 1307
944 cf::override; 1308 cf::override;
945 }, 1309 },
946); 1310);
947 1311
948sub load_extension {
949 my ($path) = @_;
950
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
952 my $base = $1;
953 my $pkg = $1;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 }
976 die $@;
977 }
978
979 push @EXTS, $pkg;
980}
981
982sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
983 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1317 next unless -r $path;
985 eval { 1318
986 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
987 1 1375 }
988 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
989 } 1381 };
990} 1382}
991 1383
992############################################################################# 1384#############################################################################
993 1385
1386=back
1387
994=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
995 1389
996Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
997 1391
998=cut 1392=cut
1002use Coro::AIO; 1396use Coro::AIO;
1003 1397
1004=head3 cf::player 1398=head3 cf::player
1005 1399
1006=over 4 1400=over 4
1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1007 1415
1008=item cf::player::find $login 1416=item cf::player::find $login
1009 1417
1010Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
1011 1419
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1458 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1459
1052 my $pl = load_pl path $login 1460 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1055 } 1469 }
1056 } 1470 }
1057} 1471}
1058 1472
1067 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1068 1482
1069 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1071 1485
1486 cf::get_slot 0.01;
1487
1072 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1073 Coro::cede; 1489 cf::cede_to_tick;
1074} 1490}
1075 1491
1076sub new($) { 1492sub new($) {
1077 my ($login) = @_; 1493 my ($login) = @_;
1078 1494
1084 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1085 1501
1086 $self 1502 $self
1087} 1503}
1088 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1089=item $pl->quit_character 1515=item $pl->quit_character
1090 1516
1091Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1093 1519
1097 my ($pl) = @_; 1523 my ($pl) = @_;
1098 1524
1099 my $name = $pl->ob->name; 1525 my $name = $pl->ob->name;
1100 1526
1101 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1529
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1108 1536
1109 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1146 or return []; 1574 or return [];
1147 1575
1148 my @logins; 1576 my @logins;
1149 1577
1150 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1154 1588
1155 utf8::decode $login; 1589 utf8::decode $login;
1156 push @logins, $login; 1590 push @logins, $login;
1157 } 1591 }
1158 1592
1185 } 1619 }
1186 1620
1187 \@paths 1621 \@paths
1188} 1622}
1189 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1628=cut
1629
1630sub expand_cfpod {
1631 my ($self, $pod) = @_;
1632
1633 my @nest = [qr<\G$>, undef, ""];
1634 my $xml;
1635
1636 for ($pod) {
1637 while () {
1638 if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639 $xml .= $1;
1640 } elsif (/\G\n(?=\S)/xgcs) {
1641 $xml .= " ";
1642 } elsif (/\G\n/xgcs) {
1643 $xml .= "\n";
1644 } elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645 my ($code, $delim) = ($1, scalar reverse $2);
1646 $delim =~ y/</>/; # delim now contains the stop sequence
1647 $delim = qr{\G\Q$delim};
1648
1649 my $cb;
1650
1651 if ($code eq "B") {
1652 $cb = sub { "<b>$_[0]</b>" };
1653 } elsif ($code eq "C") {
1654 $cb = sub { "<tt>$_[0]</tt>" };
1655 } elsif ($code eq "E") {
1656 $cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657 } elsif ($code eq "G") {
1658 $cb = sub {
1659 my ($male, $female) = split /\|/, $_[0];
1660 $self->gender ? $female : $male
1661 };
1662 } elsif ($code eq "H") {
1663 $cb = sub {
1664 (
1665 "<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667 "",
1668 )[$self->{hintmode}];
1669 };
1670 } elsif ($code eq "I") {
1671 $cb = sub { "<i>$_[0]</i>" };
1672 } elsif ($code eq "T") {
1673 $cb = sub { "<big><b>$_[0]</b></big>" };
1674 } elsif ($code eq "U") {
1675 $cb = sub { "<u>$_[0]</u>" };
1676 } elsif ($code eq "Z") {
1677 $cb = sub { };
1678 } else {
1679 die "FATAL error in expand_cfpod";
1680 }
1681
1682 push @nest, [$delim, $cb, $xml];
1683 undef $xml;
1684
1685 } elsif ($_ =~ /$nest[-1][0]/gcs) {
1686 my $nest = pop @nest;
1687
1688 if ($nest->[1]) {
1689 $xml = $nest->[2] . $nest->[1]->($xml);
1690 } else {
1691 last;
1692 }
1693 } elsif (/\G</xgcs) {
1694 $xml .= "&lt;";
1695 } elsif (/\G&/xgcs) {
1696 $xml .= "&amp;";
1697 } elsif (/\G>/xgcs) {
1698 $xml .= ">";
1699 } else {
1700 if ($pod =~ /\G(.+)/xgcs) {
1701 warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702 last;
1703 } else {
1704 warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705 return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706 }
1707 }
1708 }
1709 }
1710
1711 $xml
1712}
1713
1714sub hintmode {
1715 $_[0]{hintmode} = $_[1] if @_ > 1;
1716 $_[0]{hintmode}
1717}
1718
1190=item $player->ext_reply ($msgid, %msg) 1719=item $player->ext_reply ($msgid, @msg)
1191 1720
1192Sends an ext reply to the player. 1721Sends an ext reply to the player.
1193 1722
1194=cut 1723=cut
1195 1724
1196sub ext_reply($$%) { 1725sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1726 my ($self, $id, @msg) = @_;
1198 1727
1199 $msg{msgid} = $id; 1728 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1729}
1203 1730
1204=item $player->ext_event ($type, %msg) 1731=item $player->ext_msg ($type, @msg)
1205 1732
1206Sends an ext event to the client. 1733Sends an ext event to the client.
1207 1734
1208=cut 1735=cut
1209 1736
1210sub ext_event($$%) { 1737sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1738 my ($self, $type, @msg) = @_;
1212 1739
1213 $self->ns->ext_event ($type, %msg); 1740 $self->ns->ext_msg ($type, @msg);
1214} 1741}
1215 1742
1216=head3 cf::region 1743=head3 cf::region
1217 1744
1218=over 4 1745=over 4
1221 1748
1222package cf::region; 1749package cf::region;
1223 1750
1224=item cf::region::find_by_path $path 1751=item cf::region::find_by_path $path
1225 1752
1226Tries to decuce the probable region for a map knowing only its path. 1753Tries to decuce the likely region for a map knowing only its path.
1227 1754
1228=cut 1755=cut
1229 1756
1230sub find_by_path($) { 1757sub find_by_path($) {
1231 my ($path) = @_; 1758 my ($path) = @_;
1232 1759
1233 my ($match, $specificity); 1760 my ($match, $specificity);
1234 1761
1235 for my $region (list) { 1762 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1763 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1764 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1765 if $region->specificity > $specificity;
1239 } 1766 }
1240 } 1767 }
1241 1768
1262our $MAX_RESET = 3600; 1789our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1790our $DEFAULT_RESET = 3000;
1264 1791
1265sub generate_random_map { 1792sub generate_random_map {
1266 my ($self, $rmp) = @_; 1793 my ($self, $rmp) = @_;
1794
1795 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796
1267 # mit "rum" bekleckern, nicht 1797 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1798 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1799 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1800 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1801 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1361 $self->init; # pass $1 etc. 1891 $self->init; # pass $1 etc.
1362 return $self; 1892 return $self;
1363 } 1893 }
1364 } 1894 }
1365 1895
1366 Carp::carp "unable to resolve path '$path' (base '$base')."; 1896 Carp::cluck "unable to resolve path '$path' (base '$base').";
1367 () 1897 ()
1368} 1898}
1369 1899
1370sub init { 1900sub init {
1371 my ($self) = @_; 1901 my ($self) = @_;
1393 1923
1394# the temporary/swap location 1924# the temporary/swap location
1395sub save_path { 1925sub save_path {
1396 my ($self) = @_; 1926 my ($self) = @_;
1397 1927
1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399 "$TMPDIR/$path.map" 1929 "$TMPDIR/$path.map"
1400} 1930}
1401 1931
1402# the unique path, undef == no special unique path 1932# the unique path, undef == no special unique path
1403sub uniq_path { 1933sub uniq_path {
1404 my ($self) = @_; 1934 my ($self) = @_;
1405 1935
1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1936 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407 "$UNIQUEDIR/$path" 1937 "$UNIQUEDIR/$path"
1408} 1938}
1409 1939
1410# and all this just because we cannot iterate over 1940# and all this just because we cannot iterate over
1411# all maps in C++... 1941# all maps in C++...
1434 1964
1435sub load_header_from($) { 1965sub load_header_from($) {
1436 my ($self, $path) = @_; 1966 my ($self, $path) = @_;
1437 1967
1438 utf8::encode $path; 1968 utf8::encode $path;
1439 #aio_open $path, O_RDONLY, 0 1969 my $f = new_from_file cf::object::thawer $path
1440 # or return;
1441
1442 $self->_load_header ($path)
1443 or return; 1970 or return;
1971
1972 $self->_load_header ($f)
1973 or return;
1974
1975 local $MAP_LOADING{$self->{path}} = $self;
1976 $f->resolve_delayed_derefs;
1444 1977
1445 $self->{load_path} = $path; 1978 $self->{load_path} = $path;
1446 1979
1447 1 1980 1
1448} 1981}
1502sub find { 2035sub find {
1503 my ($path, $origin) = @_; 2036 my ($path, $origin) = @_;
1504 2037
1505 $path = normalise $path, $origin && $origin->path; 2038 $path = normalise $path, $origin && $origin->path;
1506 2039
2040 cf::lock_wait "map_data:$path";#d#remove
1507 cf::lock_wait "map_find:$path"; 2041 cf::lock_wait "map_find:$path";
1508 2042
1509 $cf::MAP{$path} || do { 2043 $cf::MAP{$path} || do {
2044 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510 my $guard = cf::lock_acquire "map_find:$path"; 2045 my $guard2 = cf::lock_acquire "map_find:$path";
2046
1511 my $map = new_from_path cf::map $path 2047 my $map = new_from_path cf::map $path
1512 or return; 2048 or return;
1513 2049
1514 $map->{last_save} = $cf::RUNTIME; 2050 $map->{last_save} = $cf::RUNTIME;
1515 2051
1517 or return; 2053 or return;
1518 2054
1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2055 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously 2056 # doing this can freeze the server in a sync job, obviously
1521 #$cf::WAIT_FOR_TICK->wait; 2057 #$cf::WAIT_FOR_TICK->wait;
2058 undef $guard2;
2059 undef $guard1;
1522 $map->reset; 2060 $map->reset;
1523 undef $guard;
1524 return find $path; 2061 return find $path;
1525 } 2062 }
1526 2063
1527 $cf::MAP{$path} = $map 2064 $cf::MAP{$path} = $map
1528 } 2065 }
1537 local $self->{deny_reset} = 1; # loading can take a long time 2074 local $self->{deny_reset} = 1; # loading can take a long time
1538 2075
1539 my $path = $self->{path}; 2076 my $path = $self->{path};
1540 2077
1541 { 2078 {
1542 my $guard = cf::lock_acquire "map_load:$path"; 2079 my $guard = cf::lock_acquire "map_data:$path";
1543 2080
2081 return unless $self->valid;
1544 return if $self->in_memory != cf::MAP_SWAPPED; 2082 return unless $self->in_memory == cf::MAP_SWAPPED;
1545 2083
1546 $self->in_memory (cf::MAP_LOADING); 2084 $self->in_memory (cf::MAP_LOADING);
1547 2085
1548 $self->alloc; 2086 $self->alloc;
1549 2087
1550 $self->pre_load; 2088 $self->pre_load;
1551 Coro::cede; 2089 cf::cede_to_tick;
1552 2090
2091 my $f = new_from_file cf::object::thawer $self->{load_path};
2092 $f->skip_block;
1553 $self->_load_objects ($self->{load_path}, 1) 2093 $self->_load_objects ($f)
1554 or return; 2094 or return;
1555 2095
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2096 $self->post_load_original
1557 if delete $self->{load_original}; 2097 if delete $self->{load_original};
1558 2098
1559 if (my $uniq = $self->uniq_path) { 2099 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq; 2100 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) { 2101 unless (aio_stat $uniq) {
2102 if (my $f = new_from_file cf::object::thawer $uniq) {
1562 $self->clear_unique_items; 2103 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0); 2104 $self->_load_objects ($f);
2105 $f->resolve_delayed_derefs;
2106 }
1564 } 2107 }
1565 } 2108 }
1566 2109
1567 Coro::cede; 2110 $f->resolve_delayed_derefs;
2111
2112 cf::cede_to_tick;
1568 # now do the right thing for maps 2113 # now do the right thing for maps
1569 $self->link_multipart_objects; 2114 $self->link_multipart_objects;
1570 $self->difficulty ($self->estimate_difficulty) 2115 $self->difficulty ($self->estimate_difficulty)
1571 unless $self->difficulty; 2116 unless $self->difficulty;
1572 Coro::cede; 2117 cf::cede_to_tick;
1573 2118
1574 unless ($self->{deny_activate}) { 2119 unless ($self->{deny_activate}) {
1575 $self->decay_objects; 2120 $self->decay_objects;
1576 $self->fix_auto_apply; 2121 $self->fix_auto_apply;
1577 $self->update_buttons; 2122 $self->update_buttons;
1578 Coro::cede; 2123 cf::cede_to_tick;
1579 $self->set_darkness_map; 2124 $self->set_darkness_map;
1580 Coro::cede; 2125 cf::cede_to_tick;
1581 $self->activate; 2126 $self->activate;
1582 } 2127 }
1583 2128
2129 $self->{last_save} = $cf::RUNTIME;
2130 $self->last_access ($cf::RUNTIME);
2131
1584 $self->in_memory (cf::MAP_IN_MEMORY); 2132 $self->in_memory (cf::MAP_ACTIVE);
1585 } 2133 }
1586 2134
1587 $self->post_load; 2135 $self->post_load;
1588} 2136}
1589 2137
1598 2146
1599 $self 2147 $self
1600} 2148}
1601 2149
1602# find and load all maps in the 3x3 area around a map 2150# find and load all maps in the 3x3 area around a map
1603sub load_diag { 2151sub load_neighbours {
1604 my ($map) = @_; 2152 my ($map) = @_;
1605 2153
1606 my @diag; # diagonal neighbours 2154 my @neigh; # diagonal neighbours
1607 2155
1608 for (0 .. 3) { 2156 for (0 .. 3) {
1609 my $neigh = $map->tile_path ($_) 2157 my $neigh = $map->tile_path ($_)
1610 or next; 2158 or next;
1611 $neigh = find $neigh, $map 2159 $neigh = find $neigh, $map
1612 or next; 2160 or next;
1613 $neigh->load; 2161 $neigh->load;
1614 2162
2163 push @neigh,
1615 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2164 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2165 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1617 } 2166 }
1618 2167
1619 for (@diag) { 2168 for (grep defined $_->[0], @neigh) {
2169 my ($path, $origin) = @$_;
1620 my $neigh = find @$_ 2170 my $neigh = find $path, $origin
1621 or next; 2171 or next;
1622 $neigh->load; 2172 $neigh->load;
1623 } 2173 }
1624} 2174}
1625 2175
1630} 2180}
1631 2181
1632sub do_load_sync { 2182sub do_load_sync {
1633 my ($map) = @_; 2183 my ($map) = @_;
1634 2184
2185 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2186 if $Coro::current == $Coro::main;
2187
1635 cf::sync_job { $map->load }; 2188 cf::sync_job { $map->load };
1636} 2189}
1637 2190
1638our %MAP_PREFETCH; 2191our %MAP_PREFETCH;
1639our $MAP_PREFETCHER = undef; 2192our $MAP_PREFETCHER = undef;
1640 2193
1641sub find_async { 2194sub find_async {
1642 my ($path, $origin) = @_; 2195 my ($path, $origin, $load) = @_;
1643 2196
1644 $path = normalise $path, $origin && $origin->{path}; 2197 $path = normalise $path, $origin && $origin->{path};
1645 2198
1646 if (my $map = $cf::MAP{$path}) { 2199 if (my $map = $cf::MAP{$path}) {
1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2200 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648 } 2201 }
1649 2202
1650 undef $MAP_PREFETCH{$path}; 2203 $MAP_PREFETCH{$path} |= $load;
2204
1651 $MAP_PREFETCHER ||= cf::async { 2205 $MAP_PREFETCHER ||= cf::async {
2206 $Coro::current->{desc} = "map prefetcher";
2207
1652 while (%MAP_PREFETCH) { 2208 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) { 2209 while (my ($k, $v) = each %MAP_PREFETCH) {
1654 my $map = find $path 2210 if (my $map = find $k) {
1655 or next;
1656 $map->load; 2211 $map->load if $v;
2212 }
1657 2213
1658 delete $MAP_PREFETCH{$path}; 2214 delete $MAP_PREFETCH{$k};
1659 } 2215 }
1660 } 2216 }
1661 undef $MAP_PREFETCHER; 2217 undef $MAP_PREFETCHER;
1662 }; 2218 };
1663 $MAP_PREFETCHER->prio (6); 2219 $MAP_PREFETCHER->prio (6);
1666} 2222}
1667 2223
1668sub save { 2224sub save {
1669 my ($self) = @_; 2225 my ($self) = @_;
1670 2226
1671 my $lock = cf::lock_acquire "map_data:" . $self->path; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2228
1673 $self->{last_save} = $cf::RUNTIME; 2229 $self->{last_save} = $cf::RUNTIME;
1674 2230
1675 return unless $self->dirty; 2231 return unless $self->dirty;
1676 2232
1682 return if $self->{deny_save}; 2238 return if $self->{deny_save};
1683 2239
1684 local $self->{last_access} = $self->last_access;#d# 2240 local $self->{last_access} = $self->last_access;#d#
1685 2241
1686 cf::async { 2242 cf::async {
2243 $Coro::current->{desc} = "map player save";
1687 $_->contr->save for $self->players; 2244 $_->contr->save for $self->players;
1688 }; 2245 };
2246
2247 cf::get_slot 0.02;
1689 2248
1690 if ($uniq) { 2249 if ($uniq) {
1691 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2250 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2251 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1693 } else { 2252 } else {
1699 my ($self) = @_; 2258 my ($self) = @_;
1700 2259
1701 # save first because save cedes 2260 # save first because save cedes
1702 $self->save; 2261 $self->save;
1703 2262
1704 my $lock = cf::lock_acquire "map_data:" . $self->path; 2263 my $lock = cf::lock_acquire "map_data:$self->{path}";
1705 2264
1706 return if $self->players; 2265 return if $self->players;
1707 return if $self->in_memory != cf::MAP_IN_MEMORY; 2266 return if $self->in_memory != cf::MAP_ACTIVE;
1708 return if $self->{deny_save}; 2267 return if $self->{deny_save};
1709 2268
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 $self->deactivate;
2272 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2273 $self->clear;
1711 $self->in_memory (cf::MAP_SWAPPED);
1712} 2274}
1713 2275
1714sub reset_at { 2276sub reset_at {
1715 my ($self) = @_; 2277 my ($self) = @_;
1716 2278
1748 if $uniq; 2310 if $uniq;
1749 } 2311 }
1750 2312
1751 delete $cf::MAP{$self->path}; 2313 delete $cf::MAP{$self->path};
1752 2314
2315 $self->deactivate;
2316 $_->clear_links_to ($self) for values %cf::MAP;
1753 $self->clear; 2317 $self->clear;
1754
1755 $_->clear_links_to ($self) for values %cf::MAP;
1756 2318
1757 $self->unlink_save; 2319 $self->unlink_save;
1758 $self->destroy; 2320 $self->destroy;
1759} 2321}
1760 2322
1761my $nuke_counter = "aaaa"; 2323my $nuke_counter = "aaaa";
1762 2324
1763sub nuke { 2325sub nuke {
1764 my ($self) = @_; 2326 my ($self) = @_;
1765 2327
2328 {
2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
2330
1766 delete $cf::MAP{$self->path}; 2331 delete $cf::MAP{$self->path};
1767 2332
1768 $self->unlink_save; 2333 $self->unlink_save;
1769 2334
1770 bless $self, "cf::map"; 2335 bless $self, "cf::map";
1771 delete $self->{deny_reset}; 2336 delete $self->{deny_reset};
1772 $self->{deny_save} = 1; 2337 $self->{deny_save} = 1;
1773 $self->reset_timeout (1); 2338 $self->reset_timeout (1);
1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2339 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775 2340
1776 $cf::MAP{$self->path} = $self; 2341 $cf::MAP{$self->path} = $self;
2342 }
1777 2343
1778 $self->reset; # polite request, might not happen 2344 $self->reset; # polite request, might not happen
2345}
2346
2347=item $maps = cf::map::tmp_maps
2348
2349Returns an arrayref with all map paths of currently instantiated and saved
2350maps. May block.
2351
2352=cut
2353
2354sub tmp_maps() {
2355 [
2356 map {
2357 utf8::decode $_;
2358 /\.map$/
2359 ? normalise $_
2360 : ()
2361 } @{ aio_readdir $TMPDIR or [] }
2362 ]
2363}
2364
2365=item $maps = cf::map::random_maps
2366
2367Returns an arrayref with all map paths of currently instantiated and saved
2368random maps. May block.
2369
2370=cut
2371
2372sub random_maps() {
2373 [
2374 map {
2375 utf8::decode $_;
2376 /\.map$/
2377 ? normalise "?random/$_"
2378 : ()
2379 } @{ aio_readdir $RANDOMDIR or [] }
2380 ]
1779} 2381}
1780 2382
1781=item cf::map::unique_maps 2383=item cf::map::unique_maps
1782 2384
1783Returns an arrayref of paths of all shared maps that have 2385Returns an arrayref of paths of all shared maps that have
1784instantiated unique items. May block. 2386instantiated unique items. May block.
1785 2387
1786=cut 2388=cut
1787 2389
1788sub unique_maps() { 2390sub unique_maps() {
1789 my $files = aio_readdir $UNIQUEDIR 2391 [
1790 or return; 2392 map {
1791
1792 my @paths;
1793
1794 for (@$files) {
1795 utf8::decode $_; 2393 utf8::decode $_;
1796 next if /\.pst$/; 2394 s/\.map$//; # TODO future compatibility hack
1797 next unless /^$PATH_SEP/o; 2395 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798 2396 ? ()
1799 push @paths, cf::map::normalise $_; 2397 : normalise $_
2398 } @{ aio_readdir $UNIQUEDIR or [] }
1800 } 2399 ]
1801
1802 \@paths
1803} 2400}
1804
1805package cf;
1806 2401
1807=back 2402=back
1808 2403
1809=head3 cf::object 2404=head3 cf::object
1810 2405
1814 2409
1815=over 4 2410=over 4
1816 2411
1817=item $ob->inv_recursive 2412=item $ob->inv_recursive
1818 2413
1819Returns the inventory of the object _and_ their inventories, recursively. 2414Returns the inventory of the object I<and> their inventories, recursively,
2415but I<not> the object itself.
1820 2416
1821=cut 2417=cut
1822 2418
1823sub inv_recursive_; 2419sub inv_recursive_;
1824sub inv_recursive_ { 2420sub inv_recursive_ {
1827 2423
1828sub inv_recursive { 2424sub inv_recursive {
1829 inv_recursive_ inv $_[0] 2425 inv_recursive_ inv $_[0]
1830} 2426}
1831 2427
2428=item $ref = $ob->ref
2429
2430Creates and returns a persistent reference to an object that can be stored as a string.
2431
2432=item $ob = cf::object::deref ($refstring)
2433
2434returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2435even if the object actually exists. May block.
2436
2437=cut
2438
2439sub deref {
2440 my ($ref) = @_;
2441
2442 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2443 my ($uuid, $name) = ($1, $2);
2444 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2445 or return;
2446 $pl->ob->uuid eq $uuid
2447 or return;
2448
2449 $pl->ob
2450 } else {
2451 warn "$ref: cannot resolve object reference\n";
2452 undef
2453 }
2454}
2455
1832package cf; 2456package cf;
1833 2457
1834=back 2458=back
1835 2459
1836=head3 cf::object::player 2460=head3 cf::object::player
1842Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2466Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843can be C<undef>. Does the right thing when the player is currently in a 2467can be C<undef>. Does the right thing when the player is currently in a
1844dialogue with the given NPC character. 2468dialogue with the given NPC character.
1845 2469
1846=cut 2470=cut
2471
2472our $SAY_CHANNEL = {
2473 id => "say",
2474 title => "Map",
2475 reply => "say ",
2476 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2477};
2478
2479our $CHAT_CHANNEL = {
2480 id => "chat",
2481 title => "Chat",
2482 reply => "chat ",
2483 tooltip => "Player chat and shouts, global to the server.",
2484};
1847 2485
1848# rough implementation of a future "reply" method that works 2486# rough implementation of a future "reply" method that works
1849# with dialog boxes. 2487# with dialog boxes.
1850#TODO: the first argument must go, split into a $npc->reply_to ( method 2488#TODO: the first argument must go, split into a $npc->reply_to ( method
1851sub cf::object::player::reply($$$;$) { 2489sub cf::object::player::reply($$$;$) {
1853 2491
1854 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2492 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855 2493
1856 if ($self->{record_replies}) { 2494 if ($self->{record_replies}) {
1857 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2495 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2496
1858 } else { 2497 } else {
2498 my $pl = $self->contr;
2499
2500 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2501 my $dialog = $pl->{npc_dialog};
2502 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2503
2504 } else {
1859 $msg = $npc->name . " says: $msg" if $npc; 2505 $msg = $npc->name . " says: $msg" if $npc;
1860 $self->message ($msg, $flags); 2506 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2507 }
1861 } 2508 }
2509}
2510
2511=item $object->send_msg ($channel, $msg, $color, [extra...])
2512
2513=cut
2514
2515sub cf::object::send_msg {
2516 my $pl = shift->contr
2517 or return;
2518 $pl->send_msg (@_);
1862} 2519}
1863 2520
1864=item $player_object->may ("access") 2521=item $player_object->may ("access")
1865 2522
1866Returns wether the given player is authorized to access resource "access" 2523Returns wether the given player is authorized to access resource "access"
1945 # use -1 or undef as default coordinates, not 0, 0 2602 # use -1 or undef as default coordinates, not 0, 0
1946 ($x, $y) = ($map->enter_x, $map->enter_y) 2603 ($x, $y) = ($map->enter_x, $map->enter_y)
1947 if $x <=0 && $y <= 0; 2604 if $x <=0 && $y <= 0;
1948 2605
1949 $map->load; 2606 $map->load;
1950 $map->load_diag; 2607 $map->load_neighbours;
1951 2608
1952 return unless $self->contr->active; 2609 return unless $self->contr->active;
1953 $self->activate_recursive; 2610 $self->activate_recursive;
1954 2611
1955 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956 $self->enter_map ($map, $x, $y); 2613 $self->enter_map ($map, $x, $y);
1957} 2614}
1958 2615
1959=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2616=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960 2617
1961Moves the player to the given map-path and coordinates by first freezing 2618Moves the player to the given map-path and coordinates by first freezing
1962her, loading and preparing them map, calling the provided $check callback 2619her, loading and preparing them map, calling the provided $check callback
1963that has to return the map if sucecssful, and then unfreezes the player on 2620that has to return the map if sucecssful, and then unfreezes the player on
1964the new (success) or old (failed) map position. 2621the new (success) or old (failed) map position. In either case, $done will
2622be called at the end of this process.
2623
2624Note that $check will be called with a potentially non-loaded map, so if
2625it needs a loaded map it has to call C<< ->load >>.
1965 2626
1966=cut 2627=cut
1967 2628
1968our $GOTOGEN; 2629our $GOTOGEN;
1969 2630
1970sub cf::object::player::goto { 2631sub cf::object::player::goto {
1971 my ($self, $path, $x, $y, $check) = @_; 2632 my ($self, $path, $x, $y, $check, $done) = @_;
1972 2633
1973 # do generation counting so two concurrent goto's will be executed in-order 2634 # do generation counting so two concurrent goto's will be executed in-order
1974 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2635 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975 2636
1976 $self->enter_link; 2637 $self->enter_link;
1977 2638
1978 (async { 2639 (async {
2640 $Coro::current->{desc} = "player::goto $path $x $y";
2641
2642 # *tag paths override both path and x|y
2643 if ($path =~ /^\*(.*)$/) {
2644 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2645 my $ob = $obs[rand @obs];
2646
2647 # see if we actually can go there
2648 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2649 $ob = $obs[rand @obs];
2650 } else {
2651 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2652 }
2653 # else put us there anyways for now #d#
2654
2655 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2656 } else {
2657 ($path, $x, $y) = (undef, undef, undef);
2658 }
2659 }
2660
1979 my $map = eval { 2661 my $map = eval {
1980 my $map = cf::map::find $path; 2662 my $map = defined $path ? cf::map::find $path : undef;
1981 2663
1982 if ($map) { 2664 if ($map) {
1983 $map = $map->customise_for ($self); 2665 $map = $map->customise_for ($self);
1984 $map = $check->($map) if $check && $map; 2666 $map = $check->($map) if $check && $map;
1985 } else { 2667 } else {
1986 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2668 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987 } 2669 }
1988 2670
1989 $map 2671 $map
1990 }; 2672 };
1991 2673
1996 2678
1997 if ($gen == $self->{_goto_generation}) { 2679 if ($gen == $self->{_goto_generation}) {
1998 delete $self->{_goto_generation}; 2680 delete $self->{_goto_generation};
1999 $self->leave_link ($map, $x, $y); 2681 $self->leave_link ($map, $x, $y);
2000 } 2682 }
2683
2684 $done->() if $done;
2001 })->prio (1); 2685 })->prio (1);
2002} 2686}
2003 2687
2004=item $player_object->enter_exit ($exit_object) 2688=item $player_object->enter_exit ($exit_object)
2005 2689
2025} 2709}
2026 2710
2027sub prepare_random_map { 2711sub prepare_random_map {
2028 my ($exit) = @_; 2712 my ($exit) = @_;
2029 2713
2030 my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032 # all this does is basically replace the /! path by 2714 # all this does is basically replace the /! path by
2033 # a new random map path (?random/...) with a seed 2715 # a new random map path (?random/...) with a seed
2034 # that depends on the exit object 2716 # that depends on the exit object
2035 2717
2036 my $rmp = parse_random_map_params $exit->msg; 2718 my $rmp = parse_random_map_params $exit->msg;
2038 if ($exit->map) { 2720 if ($exit->map) {
2039 $rmp->{region} = $exit->region->name; 2721 $rmp->{region} = $exit->region->name;
2040 $rmp->{origin_map} = $exit->map->path; 2722 $rmp->{origin_map} = $exit->map->path;
2041 $rmp->{origin_x} = $exit->x; 2723 $rmp->{origin_x} = $exit->x;
2042 $rmp->{origin_y} = $exit->y; 2724 $rmp->{origin_y} = $exit->y;
2725
2726 $exit->map->touch;
2043 } 2727 }
2044 2728
2045 $rmp->{random_seed} ||= $exit->random_seed; 2729 $rmp->{random_seed} ||= $exit->random_seed;
2046 2730
2047 my $data = cf::to_json $rmp; 2731 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048 my $md5 = Digest::MD5::md5_hex $data; 2732 my $md5 = Digest::MD5::md5_hex $data;
2049 my $meta = "$RANDOMDIR/$md5.meta"; 2733 my $meta = "$RANDOMDIR/$md5.meta";
2050 2734
2051 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2735 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052 aio_write $fh, 0, (length $data), $data, 0; 2736 aio_write $fh, 0, (length $data), $data, 0;
2053 undef $fh; 2737 undef $fh;
2054 aio_rename "$meta~", $meta; 2738 aio_rename "$meta~", $meta;
2055 2739
2740 my $slaying = "?random/$md5";
2741
2742 if ($exit->valid) {
2056 $exit->slaying ("?random/$md5"); 2743 $exit->slaying ("?random/$md5");
2057 $exit->msg (undef); 2744 $exit->msg (undef);
2745 }
2058 } 2746 }
2059} 2747}
2060 2748
2061sub cf::object::player::enter_exit { 2749sub cf::object::player::enter_exit {
2062 my ($self, $exit) = @_; 2750 my ($self, $exit) = @_;
2063 2751
2064 return unless $self->type == cf::PLAYER; 2752 return unless $self->type == cf::PLAYER;
2065 2753
2066 if ($exit->slaying eq "/!") {
2067 #TODO: this should de-fi-ni-te-ly not be a sync-job
2068 # the problem is that $exit might not survive long enough
2069 # so it needs to be done right now, right here
2070 cf::sync_job { prepare_random_map $exit };
2071 }
2072
2073 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074 my $hp = $exit->stats->hp;
2075 my $sp = $exit->stats->sp;
2076
2077 $self->enter_link; 2754 $self->enter_link;
2078 2755
2079 (async { 2756 (async {
2080 $self->deactivate_recursive; # just to be sure 2757 $Coro::current->{desc} = "enter_exit";
2758
2081 unless (eval { 2759 unless (eval {
2760 $self->deactivate_recursive; # just to be sure
2761
2762 # random map handling
2763 {
2764 my $guard = cf::lock_acquire "exit_prepare:$exit";
2765
2766 prepare_random_map $exit
2767 if $exit->slaying eq "/!";
2768 }
2769
2770 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2771 my $x = $exit->stats->hp;
2772 my $y = $exit->stats->sp;
2773
2082 $self->goto ($slaying, $hp, $sp); 2774 $self->goto ($map, $x, $y);
2083 2775
2776 # if exit is damned, update players death & WoR home-position
2777 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED);
2779
2084 1; 2780 1
2085 }) { 2781 }) {
2086 $self->message ("Something went wrong deep within the crossfire server. " 2782 $self->message ("Something went wrong deep within the crossfire server. "
2087 . "I'll try to bring you back to the map you were before. " 2783 . "I'll try to bring you back to the map you were before. "
2088 . "Please report this to the dungeon master!", 2784 . "Please report this to the dungeon master!",
2089 cf::NDI_UNIQUE | cf::NDI_RED); 2785 cf::NDI_UNIQUE | cf::NDI_RED);
2110 2806
2111 utf8::encode $text; 2807 utf8::encode $text;
2112 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2808 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113} 2809}
2114 2810
2811=item $client->send_msg ($channel, $msg, $color, [extra...])
2812
2813Send a drawinfo or msg packet to the client, formatting the msg for the
2814client if neccessary. C<$type> should be a string identifying the type of
2815the message, with C<log> being the default. If C<$color> is negative, suppress
2816the message unless the client supports the msg packet.
2817
2818=cut
2819
2820# non-persistent channels (usually the info channel)
2821our %CHANNEL = (
2822 "c/identify" => {
2823 id => "infobox",
2824 title => "Identify",
2825 reply => undef,
2826 tooltip => "Items recently identified",
2827 },
2828 "c/examine" => {
2829 id => "infobox",
2830 title => "Examine",
2831 reply => undef,
2832 tooltip => "Signs and other items you examined",
2833 },
2834 "c/book" => {
2835 id => "infobox",
2836 title => "Book",
2837 reply => undef,
2838 tooltip => "The contents of a note or book",
2839 },
2840 "c/lookat" => {
2841 id => "infobox",
2842 title => "Look",
2843 reply => undef,
2844 tooltip => "What you saw there",
2845 },
2846 "c/who" => {
2847 id => "infobox",
2848 title => "Players",
2849 reply => undef,
2850 tooltip => "Shows players who are currently online",
2851 },
2852 "c/body" => {
2853 id => "infobox",
2854 title => "Body Parts",
2855 reply => undef,
2856 tooltip => "Shows which body parts you posess and are available",
2857 },
2858 "c/uptime" => {
2859 id => "infobox",
2860 title => "Uptime",
2861 reply => undef,
2862 tooltip => "How long the server has been running since last restart",
2863 },
2864 "c/mapinfo" => {
2865 id => "infobox",
2866 title => "Map Info",
2867 reply => undef,
2868 tooltip => "Information related to the maps",
2869 },
2870 "c/party" => {
2871 id => "party",
2872 title => "Party",
2873 reply => "gsay ",
2874 tooltip => "Messages and chat related to your party",
2875 },
2876);
2877
2878sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_;
2880
2881 $msg = $self->pl->expand_cfpod ($msg);
2882
2883 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884
2885 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) {
2887 $channel = $CHANNEL{$channel};
2888
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891
2892 $channel = $channel->{id};
2893
2894 } elsif (ref $channel) {
2895 # send meta info to client, if not yet sent
2896 unless (exists $self->{channel}{$channel->{id}}) {
2897 $self->{channel}{$channel->{id}} = $channel;
2898 $self->ext_msg (channel_info => $channel)
2899 if $self->can_msg;
2900 }
2901
2902 $channel = $channel->{id};
2903 }
2904
2905 return unless @extra || length $msg;
2906
2907 if ($self->can_msg) {
2908 # default colour, mask it out
2909 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910 if $color & cf::NDI_DEF;
2911
2912 my $pkt = "msg "
2913 . $self->{json_coder}->encode (
2914 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2915 );
2916
2917 # try lzf for large packets
2918 $pkt = "lzf " . Compress::LZF::compress $pkt
2919 if 1024 <= length $pkt and $self->{can_lzf};
2920
2921 # split very large packets
2922 if (8192 < length $pkt and $self->{can_lzf}) {
2923 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2924 $pkt = "frag";
2925 }
2926
2927 $self->send_packet ($pkt);
2928 } else {
2929 if ($color >= 0) {
2930 # replace some tags by gcfclient-compatible ones
2931 for ($msg) {
2932 1 while
2933 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2934 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2935 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2936 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2937 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2938 }
2939
2940 $color &= cf::NDI_COLOR_MASK;
2941
2942 utf8::encode $msg;
2943
2944 if (0 && $msg =~ /\[/) {
2945 # COMMAND/INFO
2946 $self->send_packet ("drawextinfo $color 10 8 $msg")
2947 } else {
2948 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2949 $self->send_packet ("drawinfo $color $msg")
2950 }
2951 }
2952 }
2953}
2954
2115=item $client->ext_event ($type, %msg) 2955=item $client->ext_msg ($type, @msg)
2116 2956
2117Sends an exti event to the client. 2957Sends an ext event to the client.
2118 2958
2119=cut 2959=cut
2120 2960
2121sub cf::client::ext_event($$%) { 2961sub cf::client::ext_msg($$@) {
2122 my ($self, $type, %msg) = @_; 2962 my ($self, $type, @msg) = @_;
2123 2963
2964 if ($self->extcmd == 2) {
2965 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2966 } elsif ($self->extcmd == 1) { # TODO: remove
2124 $msg{msgtype} = "event_$type"; 2967 push @msg, msgtype => "event_$type";
2125 $self->send_packet ("ext " . cf::to_json \%msg); 2968 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969 }
2970}
2971
2972=item $client->ext_reply ($msgid, @msg)
2973
2974Sends an ext reply to the client.
2975
2976=cut
2977
2978sub cf::client::ext_reply($$@) {
2979 my ($self, $id, @msg) = @_;
2980
2981 if ($self->extcmd == 2) {
2982 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2983 } elsif ($self->extcmd == 1) {
2984 #TODO: version 1, remove
2985 unshift @msg, msgtype => "reply", msgid => $id;
2986 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2987 }
2126} 2988}
2127 2989
2128=item $success = $client->query ($flags, "text", \&cb) 2990=item $success = $client->query ($flags, "text", \&cb)
2129 2991
2130Queues a query to the client, calling the given callback with 2992Queues a query to the client, calling the given callback with
2131the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2993the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2994C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133 2995
2134Queries can fail, so check the return code. Or don't, as queries will become 2996Queries can fail, so check the return code. Or don't, as queries will
2135reliable at some point in the future. 2997become reliable at some point in the future.
2136 2998
2137=cut 2999=cut
2138 3000
2139sub cf::client::query { 3001sub cf::client::query {
2140 my ($self, $flags, $text, $cb) = @_; 3002 my ($self, $flags, $text, $cb) = @_;
2148 utf8::encode $text; 3010 utf8::encode $text;
2149 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3011 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150 3012
2151 $self->send_packet ($self->{query_queue}[0][0]) 3013 $self->send_packet ($self->{query_queue}[0][0])
2152 if @{ $self->{query_queue} } == 1; 3014 if @{ $self->{query_queue} } == 1;
3015
3016 1
2153} 3017}
2154 3018
2155cf::client->attach ( 3019cf::client->attach (
3020 on_connect => sub {
3021 my ($ns) = @_;
3022
3023 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3024 },
2156 on_reply => sub { 3025 on_reply => sub {
2157 my ($ns, $msg) = @_; 3026 my ($ns, $msg) = @_;
2158 3027
2159 # this weird shuffling is so that direct followup queries 3028 # this weird shuffling is so that direct followup queries
2160 # get handled first 3029 # get handled first
2172 } else { 3041 } else {
2173 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3042 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174 } 3043 }
2175 } 3044 }
2176 }, 3045 },
3046 on_exticmd => sub {
3047 my ($ns, $buf) = @_;
3048
3049 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3050
3051 if (ref $msg) {
3052 my ($type, $reply, @payload) =
3053 "ARRAY" eq ref $msg
3054 ? @$msg
3055 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3056
3057 my @reply;
3058
3059 if (my $cb = $EXTICMD{$type}) {
3060 @reply = $cb->($ns, @payload);
3061 }
3062
3063 $ns->ext_reply ($reply, @reply)
3064 if $reply;
3065
3066 } else {
3067 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3068 }
3069
3070 cf::override;
3071 },
2177); 3072);
2178 3073
2179=item $client->async (\&cb) 3074=item $client->async (\&cb)
2180 3075
2181Create a new coroutine, running the specified callback. The coroutine will 3076Create a new coroutine, running the specified callback. The coroutine will
2222our $safe = new Safe "safe"; 3117our $safe = new Safe "safe";
2223our $safe_hole = new Safe::Hole; 3118our $safe_hole = new Safe::Hole;
2224 3119
2225$SIG{FPE} = 'IGNORE'; 3120$SIG{FPE} = 'IGNORE';
2226 3121
2227$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3122$safe->permit_only (Opcode::opset qw(
3123 :base_core :base_mem :base_orig :base_math
3124 grepstart grepwhile mapstart mapwhile
3125 sort time
3126));
2228 3127
2229# here we export the classes and methods available to script code 3128# here we export the classes and methods available to script code
2230 3129
2231=pod 3130=pod
2232 3131
2233The following functions and methods are available within a safe environment: 3132The following functions and methods are available within a safe environment:
2234 3133
2235 cf::object contr pay_amount pay_player map 3134 cf::object
3135 contr pay_amount pay_player map x y force_find force_add destroy
3136 insert remove name archname title slaying race decrease split
3137
2236 cf::object::player player 3138 cf::object::player
2237 cf::player peaceful 3139 player
2238 cf::map trigger 3140
3141 cf::player
3142 peaceful
3143
3144 cf::map
3145 trigger
2239 3146
2240=cut 3147=cut
2241 3148
2242for ( 3149for (
2243 ["cf::object" => qw(contr pay_amount pay_player map)], 3150 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3151 insert remove inv nrof name archname title slaying race
3152 decrease split destroy change_exp)],
2244 ["cf::object::player" => qw(player)], 3153 ["cf::object::player" => qw(player)],
2245 ["cf::player" => qw(peaceful)], 3154 ["cf::player" => qw(peaceful)],
2246 ["cf::map" => qw(trigger)], 3155 ["cf::map" => qw(trigger)],
2247) { 3156) {
2248 no strict 'refs'; 3157 no strict 'refs';
2319=back 3228=back
2320 3229
2321=cut 3230=cut
2322 3231
2323############################################################################# 3232#############################################################################
2324
2325=head2 EXTENSION DATABASE SUPPORT
2326
2327Crossfire maintains a very simple database for extension use. It can
2328currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329convert to/from binary).
2330
2331The parameter C<$family> should best start with the name of the extension
2332using it, it should be unique.
2333
2334=over 4
2335
2336=item $value = cf::db_get $family => $key
2337
2338Returns a single value from the database.
2339
2340=item cf::db_put $family => $key => $value
2341
2342Stores the given C<$value> in the family.
2343
2344=cut
2345
2346our $DB;
2347
2348sub db_init {
2349 unless ($DB) {
2350 $DB = BDB::db_create $DB_ENV;
2351
2352 cf::sync_job {
2353 eval {
2354 $DB->set_flags (BDB::CHKSUM);
2355
2356 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358 cf::cleanup "db_open(db): $!" if $!;
2359 };
2360 cf::cleanup "db_open(db): $@" if $@;
2361 };
2362 }
2363}
2364
2365sub db_get($$) {
2366 my $key = "$_[0]/$_[1]";
2367
2368 cf::sync_job {
2369 BDB::db_get $DB, undef, $key, my $data;
2370
2371 $! ? ()
2372 : $data
2373 }
2374}
2375
2376sub db_put($$$) {
2377 BDB::dbreq_pri 4;
2378 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379}
2380
2381=item cf::cache $id => [$paths...], $processversion => $process
2382
2383Generic caching function that returns the value of the resource $id,
2384caching and regenerating as required.
2385
2386This function can block.
2387
2388=cut
2389
2390sub cache {
2391 my ($id, $src, $processversion, $process) = @_;
2392
2393 my $meta =
2394 join "\x00",
2395 $processversion,
2396 map {
2397 aio_stat $_
2398 and Carp::croak "$_: $!";
2399
2400 ($_, (stat _)[7,9])
2401 } @$src;
2402
2403 my $dbmeta = db_get cache => "$id/meta";
2404 if ($dbmeta ne $meta) {
2405 # changed, we may need to process
2406
2407 my @data;
2408 my $md5;
2409
2410 for (0 .. $#$src) {
2411 0 <= aio_load $src->[$_], $data[$_]
2412 or Carp::croak "$src->[$_]: $!";
2413 }
2414
2415 # if processing is expensive, check
2416 # checksum first
2417 if (1) {
2418 $md5 =
2419 join "\x00",
2420 $processversion,
2421 map {
2422 Coro::cede;
2423 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2424 } 0.. $#$src;
2425
2426
2427 my $dbmd5 = db_get cache => "$id/md5";
2428 if ($dbmd5 eq $md5) {
2429 db_put cache => "$id/meta", $meta;
2430
2431 return db_get cache => "$id/data";
2432 }
2433 }
2434
2435 my $t1 = Time::HiRes::time;
2436 my $data = $process->(\@data);
2437 my $t2 = Time::HiRes::time;
2438
2439 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441 db_put cache => "$id/data", $data;
2442 db_put cache => "$id/md5" , $md5;
2443 db_put cache => "$id/meta", $meta;
2444
2445 return $data;
2446 }
2447
2448 db_get cache => "$id/data"
2449}
2450
2451=item fork_call { }, $args
2452
2453Executes the given code block with the given arguments in a seperate
2454process, returning the results. Everything must be serialisable with
2455Coro::Storable. May, of course, block. Note that the executed sub may
2456never block itself or use any form of Event handling.
2457
2458=cut
2459
2460sub fork_call(&@) {
2461 my ($cb, @args) = @_;
2462
2463# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464# or die "socketpair: $!";
2465 pipe my $fh1, my $fh2
2466 or die "pipe: $!";
2467
2468 if (my $pid = fork) {
2469 close $fh2;
2470
2471 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472 $res = Coro::Storable::thaw $res;
2473
2474 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476 die $$res unless "ARRAY" eq ref $res;
2477
2478 return wantarray ? @$res : $res->[-1];
2479 } else {
2480 reset_signals;
2481 local $SIG{__WARN__};
2482 local $SIG{__DIE__};
2483 eval {
2484 close $fh1;
2485
2486 my @res = eval { $cb->(@args) };
2487 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488 };
2489
2490 warn $@ if $@;
2491 _exit 0;
2492 }
2493}
2494
2495#############################################################################
2496# the server's init and main functions 3233# the server's init and main functions
2497 3234
2498sub load_facedata($) { 3235sub load_facedata($) {
2499 my ($path) = @_; 3236 my ($path) = @_;
3237
3238 # HACK to clear player env face cache, we need some signal framework
3239 # for this (global event?)
3240 %ext::player_env::MUSIC_FACE_CACHE = ();
3241
3242 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500 3243
2501 warn "loading facedata from $path\n"; 3244 warn "loading facedata from $path\n";
2502 3245
2503 my $facedata; 3246 my $facedata;
2504 0 < aio_load $path, $facedata 3247 0 < aio_load $path, $facedata
2507 $facedata = Coro::Storable::thaw $facedata; 3250 $facedata = Coro::Storable::thaw $facedata;
2508 3251
2509 $facedata->{version} == 2 3252 $facedata->{version} == 2
2510 or cf::cleanup "$path: version mismatch, cannot proceed."; 3253 or cf::cleanup "$path: version mismatch, cannot proceed.";
2511 3254
3255 # patch in the exptable
3256 $facedata->{resource}{"res/exp_table"} = {
3257 type => FT_RSRC,
3258 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3259 };
3260 cf::cede_to_tick;
3261
2512 { 3262 {
2513 my $faces = $facedata->{faceinfo}; 3263 my $faces = $facedata->{faceinfo};
2514 3264
2515 while (my ($face, $info) = each %$faces) { 3265 while (my ($face, $info) = each %$faces) {
2516 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3266 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3267
2517 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3268 cf::face::set_visibility $idx, $info->{visibility};
3269 cf::face::set_magicmap $idx, $info->{magicmap};
2518 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3270 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3271 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520 Coro::cede; 3272
3273 cf::cede_to_tick;
2521 } 3274 }
2522 3275
2523 while (my ($face, $info) = each %$faces) { 3276 while (my ($face, $info) = each %$faces) {
2524 next unless $info->{smooth}; 3277 next unless $info->{smooth};
3278
2525 my $idx = cf::face::find $face 3279 my $idx = cf::face::find $face
2526 or next; 3280 or next;
3281
2527 if (my $smooth = cf::face::find $info->{smooth}) { 3282 if (my $smooth = cf::face::find $info->{smooth}) {
3283 cf::face::set_smooth $idx, $smooth;
2528 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3284 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529 } else { 3285 } else {
2530 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3286 warn "smooth face '$info->{smooth}' not found for face '$face'";
2531 } 3287 }
2532 Coro::cede; 3288
3289 cf::cede_to_tick;
2533 } 3290 }
2534 } 3291 }
2535 3292
2536 { 3293 {
2537 my $anims = $facedata->{animinfo}; 3294 my $anims = $facedata->{animinfo};
2538 3295
2539 while (my ($anim, $info) = each %$anims) { 3296 while (my ($anim, $info) = each %$anims) {
2540 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3297 cf::anim::set $anim, $info->{frames}, $info->{facings};
2541 Coro::cede; 3298 cf::cede_to_tick;
2542 } 3299 }
2543 3300
2544 cf::anim::invalidate_all; # d'oh 3301 cf::anim::invalidate_all; # d'oh
2545 } 3302 }
2546 3303
3304 {
3305 # TODO: for gcfclient pleasure, we should give resources
3306 # that gcfclient doesn't grok a >10000 face index.
3307 my $res = $facedata->{resource};
3308
3309 while (my ($name, $info) = each %$res) {
3310 if (defined $info->{type}) {
3311 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3312 my $data;
3313
3314 if ($info->{type} & 1) {
3315 # prepend meta info
3316
3317 my $meta = $enc->encode ({
3318 name => $name,
3319 %{ $info->{meta} || {} },
3320 });
3321
3322 $data = pack "(w/a*)*", $meta, $info->{data};
3323 } else {
3324 $data = $info->{data};
3325 }
3326
3327 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3328 cf::face::set_type $idx, $info->{type};
3329 } else {
3330 $RESOURCE{$name} = $info;
3331 }
3332
3333 cf::cede_to_tick;
3334 }
3335 }
3336
3337 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3338
2547 1 3339 1
2548} 3340}
2549 3341
3342cf::global->attach (on_resource_update => sub {
3343 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3344 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3345
3346 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3347 my $sound = $soundconf->{compat}[$_]
3348 or next;
3349
3350 my $face = cf::face::find "sound/$sound->[1]";
3351 cf::sound::set $sound->[0] => $face;
3352 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3353 }
3354
3355 while (my ($k, $v) = each %{$soundconf->{event}}) {
3356 my $face = cf::face::find "sound/$v";
3357 cf::sound::set $k => $face;
3358 }
3359 }
3360});
3361
3362register_exticmd fx_want => sub {
3363 my ($ns, $want) = @_;
3364
3365 while (my ($k, $v) = each %$want) {
3366 $ns->fx_want ($k, $v);
3367 }
3368};
3369
3370sub load_resource_file($) {
3371 my $guard = lock_acquire "load_resource_file";
3372
3373 my $status = load_resource_file_ $_[0];
3374 get_slot 0.1, 100;
3375 cf::arch::commit_load;
3376
3377 $status
3378}
3379
2550sub reload_regions { 3380sub reload_regions {
3381 # HACK to clear player env face cache, we need some signal framework
3382 # for this (global event?)
3383 %ext::player_env::MUSIC_FACE_CACHE = ();
3384
2551 load_resource_file "$MAPDIR/regions" 3385 load_resource_file "$MAPDIR/regions"
2552 or die "unable to load regions file\n"; 3386 or die "unable to load regions file\n";
3387
3388 for (cf::region::list) {
3389 $_->{match} = qr/$_->{match}/
3390 if exists $_->{match};
3391 }
2553} 3392}
2554 3393
2555sub reload_facedata { 3394sub reload_facedata {
2556 load_facedata "$DATADIR/facedata" 3395 load_facedata "$DATADIR/facedata"
2557 or die "unable to load facedata\n"; 3396 or die "unable to load facedata\n";
2568} 3407}
2569 3408
2570sub reload_resources { 3409sub reload_resources {
2571 warn "reloading resource files...\n"; 3410 warn "reloading resource files...\n";
2572 3411
3412 reload_facedata;
3413 reload_archetypes;
2573 reload_regions; 3414 reload_regions;
2574 reload_facedata;
2575 #reload_archetypes;#d#
2576 reload_archetypes;
2577 reload_treasures; 3415 reload_treasures;
2578 3416
2579 warn "finished reloading resource files\n"; 3417 warn "finished reloading resource files\n";
2580} 3418}
2581 3419
2582sub init { 3420sub init {
3421 my $guard = freeze_mainloop;
3422
3423 evthread_start IO::AIO::poll_fileno;
3424
2583 reload_resources; 3425 reload_resources;
2584} 3426}
2585 3427
2586sub cfg_load { 3428sub reload_config {
2587 open my $fh, "<:utf8", "$CONFDIR/config" 3429 open my $fh, "<:utf8", "$CONFDIR/config"
2588 or return; 3430 or return;
2589 3431
2590 local $/; 3432 local $/;
2591 *CFG = YAML::Syck::Load <$fh>; 3433 *CFG = YAML::Load <$fh>;
2592 3434
2593 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3435 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594 3436
2595 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3437 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3438 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2607sub main { 3449sub main {
2608 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
2609 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
2610 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611 (async { 3453 (async {
2612 Event::one_event; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT;
2613 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
2614 }; 3457 };
2615 3458
2616 cfg_load; 3459 {
3460 my $guard = freeze_mainloop;
3461 reload_config;
2617 db_init; 3462 db_init;
2618 load_extensions; 3463 load_extensions;
2619 3464
2620 $TICK_WATCHER->start; 3465 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3466 }
3467
2621 Event::loop; 3468 EV::loop;
2622} 3469}
2623 3470
2624############################################################################# 3471#############################################################################
2625# initialisation and cleanup 3472# initialisation and cleanup
2626 3473
2627# install some emergency cleanup handlers 3474# install some emergency cleanup handlers
2628BEGIN { 3475BEGIN {
3476 our %SIGWATCHER = ();
2629 for my $signal (qw(INT HUP TERM)) { 3477 for my $signal (qw(INT HUP TERM)) {
2630 Event->signal ( 3478 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2631 reentrant => 0,
2632 data => WF_AUTOCANCEL,
2633 signal => $signal,
2634 prio => 0,
2635 cb => sub {
2636 cf::cleanup "SIG$signal"; 3479 cf::cleanup "SIG$signal";
2637 },
2638 ); 3480 };
3481 }
3482}
3483
3484sub write_runtime_sync {
3485 my $runtime = "$LOCALDIR/runtime";
3486
3487 # first touch the runtime file to show we are still running:
3488 # the fsync below can take a very very long time.
3489
3490 IO::AIO::aio_utime $runtime, undef, undef;
3491
3492 my $guard = cf::lock_acquire "write_runtime";
3493
3494 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3495 or return;
3496
3497 my $value = $cf::RUNTIME + 90 + 10;
3498 # 10 is the runtime save interval, for a monotonic clock
3499 # 60 allows for the watchdog to kill the server.
3500
3501 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3502 and return;
3503
3504 # always fsync - this file is important
3505 aio_fsync $fh
3506 and return;
3507
3508 # touch it again to show we are up-to-date
3509 aio_utime $fh, undef, undef;
3510
3511 close $fh
3512 or return;
3513
3514 aio_rename "$runtime~", $runtime
3515 and return;
3516
3517 warn "runtime file written.\n";
3518
2639 } 3519 1
3520}
3521
3522our $uuid_lock;
3523our $uuid_skip;
3524
3525sub write_uuid_sync($) {
3526 $uuid_skip ||= $_[0];
3527
3528 return if $uuid_lock;
3529 local $uuid_lock = 1;
3530
3531 my $uuid = "$LOCALDIR/uuid";
3532
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return;
3535
3536 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3537 $uuid_skip = 0;
3538
3539 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3540 and return;
3541
3542 # always fsync - this file is important
3543 aio_fsync $fh
3544 and return;
3545
3546 close $fh
3547 or return;
3548
3549 aio_rename "$uuid~", $uuid
3550 and return;
3551
3552 warn "uuid file written ($value).\n";
3553
3554 1
3555
3556}
3557
3558sub write_uuid($$) {
3559 my ($skip, $sync) = @_;
3560
3561 $sync ? write_uuid_sync $skip
3562 : async { write_uuid_sync $skip };
2640} 3563}
2641 3564
2642sub emergency_save() { 3565sub emergency_save() {
2643 my $freeze_guard = cf::freeze_mainloop; 3566 my $freeze_guard = cf::freeze_mainloop;
2644 3567
2650 # and maps saved/destroyed asynchronously. 3573 # and maps saved/destroyed asynchronously.
2651 warn "begin emergency player save\n"; 3574 warn "begin emergency player save\n";
2652 for my $login (keys %cf::PLAYER) { 3575 for my $login (keys %cf::PLAYER) {
2653 my $pl = $cf::PLAYER{$login} or next; 3576 my $pl = $cf::PLAYER{$login} or next;
2654 $pl->valid or next; 3577 $pl->valid or next;
3578 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655 $pl->save; 3579 $pl->save;
2656 } 3580 }
2657 warn "end emergency player save\n"; 3581 warn "end emergency player save\n";
2658 3582
2659 warn "begin emergency map save\n"; 3583 warn "begin emergency map save\n";
2665 warn "end emergency map save\n"; 3589 warn "end emergency map save\n";
2666 3590
2667 warn "begin emergency database checkpoint\n"; 3591 warn "begin emergency database checkpoint\n";
2668 BDB::db_env_txn_checkpoint $DB_ENV; 3592 BDB::db_env_txn_checkpoint $DB_ENV;
2669 warn "end emergency database checkpoint\n"; 3593 warn "end emergency database checkpoint\n";
3594
3595 warn "begin write uuid\n";
3596 write_uuid_sync 1;
3597 warn "end write uuid\n";
2670 }; 3598 };
2671 3599
2672 warn "leave emergency perl save\n"; 3600 warn "leave emergency perl save\n";
2673} 3601}
2674 3602
2676 my ($make_core) = @_; 3604 my ($make_core) = @_;
2677 3605
2678 warn Carp::longmess "post_cleanup backtrace" 3606 warn Carp::longmess "post_cleanup backtrace"
2679 if $make_core; 3607 if $make_core;
2680} 3608}
3609
3610# a safer delete_package, copied from Symbol
3611sub clear_package($) {
3612 my $pkg = shift;
3613
3614 # expand to full symbol table name if needed
3615 unless ($pkg =~ /^main::.*::$/) {
3616 $pkg = "main$pkg" if $pkg =~ /^::/;
3617 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3618 $pkg .= '::' unless $pkg =~ /::$/;
3619 }
3620
3621 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3622 my $stem_symtab = *{$stem}{HASH};
3623
3624 defined $stem_symtab and exists $stem_symtab->{$leaf}
3625 or return;
3626
3627 # clear all symbols
3628 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629 for my $name (keys %$leaf_symtab) {
3630 _gv_clear *{"$pkg$name"};
3631# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632 }
3633 warn "cleared package #$pkg\n";#d#
3634}
3635
3636our $RELOAD; # how many times to reload
2681 3637
2682sub do_reload_perl() { 3638sub do_reload_perl() {
2683 # can/must only be called in main 3639 # can/must only be called in main
2684 if ($Coro::current != $Coro::main) { 3640 if ($Coro::current != $Coro::main) {
2685 warn "can only reload from main coroutine"; 3641 warn "can only reload from main coroutine";
2686 return; 3642 return;
2687 } 3643 }
2688 3644
3645 return if $RELOAD++;
3646
3647 while ($RELOAD) {
2689 warn "reloading..."; 3648 warn "reloading...";
2690 3649
2691 warn "entering sync_job"; 3650 warn "entering sync_job";
2692 3651
2693 cf::sync_job { 3652 cf::sync_job {
2694 cf::write_runtime; # external watchdog should not bark 3653 cf::write_runtime_sync; # external watchdog should not bark
2695 cf::emergency_save; 3654 cf::emergency_save;
2696 cf::write_runtime; # external watchdog should not bark 3655 cf::write_runtime_sync; # external watchdog should not bark
2697 3656
2698 warn "syncing database to disk"; 3657 warn "syncing database to disk";
2699 BDB::db_env_txn_checkpoint $DB_ENV; 3658 BDB::db_env_txn_checkpoint $DB_ENV;
2700 3659
2701 # if anything goes wrong in here, we should simply crash as we already saved 3660 # if anything goes wrong in here, we should simply crash as we already saved
2702 3661
2703 warn "cancelling all WF_AUTOCANCEL watchers";
2704 for (Event::all_watchers) {
2705 $_->cancel if $_->data & WF_AUTOCANCEL;
2706 }
2707
2708 warn "flushing outstanding aio requests"; 3662 warn "flushing outstanding aio requests";
2709 for (;;) {
2710 BDB::flush;
2711 IO::AIO::flush;
2712 Coro::cede;
2713 last unless IO::AIO::nreqs || BDB::nreqs; 3663 while (IO::AIO::nreqs || BDB::nreqs) {
2714 warn "iterate..."; 3664 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715 }
2716
2717 ++$RELOAD;
2718
2719 warn "cancelling all extension coros";
2720 $_->cancel for values %EXT_CORO;
2721 %EXT_CORO = ();
2722
2723 warn "removing commands";
2724 %COMMAND = ();
2725
2726 warn "removing ext commands";
2727 %EXTCMD = ();
2728
2729 warn "unloading/nuking all extensions";
2730 for my $pkg (@EXTS) {
2731 warn "... unloading $pkg";
2732
2733 if (my $cb = $pkg->can ("unload")) {
2734 eval {
2735 $cb->($pkg);
2736 1
2737 } or warn "$pkg unloaded, but with errors: $@";
2738 } 3665 }
2739 3666
2740 warn "... nuking $pkg"; 3667 warn "cancelling all extension coros";
2741 Symbol::delete_package $pkg; 3668 $_->cancel for values %EXT_CORO;
2742 } 3669 %EXT_CORO = ();
2743 3670
2744 warn "unloading all perl modules loaded from $LIBDIR"; 3671 warn "removing commands";
2745 while (my ($k, $v) = each %INC) { 3672 %COMMAND = ();
2746 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747 3673
3674 warn "removing ext/exti commands";
3675 %EXTCMD = ();
3676 %EXTICMD = ();
3677
3678 warn "unloading/nuking all extensions";
3679 for my $pkg (@EXTS) {
2748 warn "... unloading $k"; 3680 warn "... unloading $pkg";
2749 delete $INC{$k};
2750 3681
2751 $k =~ s/\.pm$//;
2752 $k =~ s/\//::/g;
2753
2754 if (my $cb = $k->can ("unload_module")) { 3682 if (my $cb = $pkg->can ("unload")) {
3683 eval {
2755 $cb->(); 3684 $cb->($pkg);
3685 1
3686 } or warn "$pkg unloaded, but with errors: $@";
3687 }
3688
3689 warn "... clearing $pkg";
3690 clear_package $pkg;
2756 } 3691 }
2757 3692
2758 Symbol::delete_package $k; 3693 warn "unloading all perl modules loaded from $LIBDIR";
3694 while (my ($k, $v) = each %INC) {
3695 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3696
3697 warn "... unloading $k";
3698 delete $INC{$k};
3699
3700 $k =~ s/\.pm$//;
3701 $k =~ s/\//::/g;
3702
3703 if (my $cb = $k->can ("unload_module")) {
3704 $cb->();
3705 }
3706
3707 clear_package $k;
2759 } 3708 }
2760 3709
2761 warn "getting rid of safe::, as good as possible"; 3710 warn "getting rid of safe::, as good as possible";
2762 Symbol::delete_package "safe::$_" 3711 clear_package "safe::$_"
2763 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3712 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764 3713
2765 warn "unloading cf.pm \"a bit\""; 3714 warn "unloading cf.pm \"a bit\"";
2766 delete $INC{"cf.pm"}; 3715 delete $INC{"cf.pm"};
2767 delete $INC{"cf/pod.pm"}; 3716 delete $INC{"cf/pod.pm"};
2768 3717
2769 # don't, removes xs symbols, too, 3718 # don't, removes xs symbols, too,
2770 # and global variables created in xs 3719 # and global variables created in xs
2771 #Symbol::delete_package __PACKAGE__; 3720 #clear_package __PACKAGE__;
2772 3721
2773 warn "unload completed, starting to reload now"; 3722 warn "unload completed, starting to reload now";
2774 3723
2775 warn "reloading cf.pm"; 3724 warn "reloading cf.pm";
2776 require cf; 3725 require cf;
2777 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3726 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778 3727
2779 warn "loading config and database again"; 3728 warn "loading config and database again";
2780 cf::cfg_load; 3729 cf::reload_config;
2781 3730
2782 warn "loading extensions"; 3731 warn "loading extensions";
2783 cf::load_extensions; 3732 cf::load_extensions;
2784 3733
2785 warn "reattaching attachments to objects/players"; 3734 warn "reattaching attachments to objects/players";
2786 _global_reattach; # objects, sockets 3735 _global_reattach; # objects, sockets
2787 warn "reattaching attachments to maps"; 3736 warn "reattaching attachments to maps";
2788 reattach $_ for values %MAP; 3737 reattach $_ for values %MAP;
2789 warn "reattaching attachments to players"; 3738 warn "reattaching attachments to players";
2790 reattach $_ for values %PLAYER; 3739 reattach $_ for values %PLAYER;
2791 3740
2792 warn "leaving sync_job"; 3741 warn "leaving sync_job";
2793 3742
2794 1 3743 1
2795 } or do { 3744 } or do {
2796 warn $@; 3745 warn $@;
2797 warn "error while reloading, exiting."; 3746 cf::cleanup "error while reloading, exiting.";
2798 exit 1;
2799 }; 3747 };
2800 3748
2801 warn "reloaded"; 3749 warn "reloaded";
3750 --$RELOAD;
3751 }
2802}; 3752};
2803 3753
2804our $RELOAD_WATCHER; # used only during reload 3754our $RELOAD_WATCHER; # used only during reload
2805 3755
2806sub reload_perl() { 3756sub reload_perl() {
2807 # doing reload synchronously and two reloads happen back-to-back, 3757 # doing reload synchronously and two reloads happen back-to-back,
2808 # coro crashes during coro_state_free->destroy here. 3758 # coro crashes during coro_state_free->destroy here.
2809 3759
2810 $RELOAD_WATCHER ||= Event->timer ( 3760 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811 reentrant => 0,
2812 after => 0,
2813 data => WF_AUTOCANCEL,
2814 cb => sub {
2815 do_reload_perl; 3761 do_reload_perl;
2816 undef $RELOAD_WATCHER; 3762 undef $RELOAD_WATCHER;
2817 },
2818 ); 3763 };
2819} 3764}
2820 3765
2821register_command "reload" => sub { 3766register_command "reload" => sub {
2822 my ($who, $arg) = @_; 3767 my ($who, $arg) = @_;
2823 3768
2824 if ($who->flag (FLAG_WIZ)) { 3769 if ($who->flag (FLAG_WIZ)) {
2825 $who->message ("reloading server."); 3770 $who->message ("reloading server.");
3771 async {
3772 $Coro::current->{desc} = "perl_reload";
2826 async { reload_perl }; 3773 reload_perl;
3774 };
2827 } 3775 }
2828}; 3776};
2829 3777
2830unshift @INC, $LIBDIR; 3778unshift @INC, $LIBDIR;
2831 3779
2833 3781
2834our @WAIT_FOR_TICK; 3782our @WAIT_FOR_TICK;
2835our @WAIT_FOR_TICK_BEGIN; 3783our @WAIT_FOR_TICK_BEGIN;
2836 3784
2837sub wait_for_tick { 3785sub wait_for_tick {
2838 return unless $TICK_WATCHER->is_active;
2839 return if $Coro::current == $Coro::main; 3786 return if tick_inhibit || $Coro::current == $Coro::main;
2840 3787
2841 my $signal = new Coro::Signal; 3788 my $signal = new Coro::Signal;
2842 push @WAIT_FOR_TICK, $signal; 3789 push @WAIT_FOR_TICK, $signal;
2843 $signal->wait; 3790 $signal->wait;
2844} 3791}
2845 3792
2846sub wait_for_tick_begin { 3793sub wait_for_tick_begin {
2847 return unless $TICK_WATCHER->is_active;
2848 return if $Coro::current == $Coro::main; 3794 return if tick_inhibit || $Coro::current == $Coro::main;
2849 3795
2850 my $signal = new Coro::Signal; 3796 my $signal = new Coro::Signal;
2851 push @WAIT_FOR_TICK_BEGIN, $signal; 3797 push @WAIT_FOR_TICK_BEGIN, $signal;
2852 $signal->wait; 3798 $signal->wait;
2853} 3799}
2854 3800
2855 my $min = 1e6;#d# 3801sub tick {
2856 my $avg = 10;
2857$TICK_WATCHER = Event->timer (
2858 reentrant => 0,
2859 parked => 1,
2860 prio => 0,
2861 at => $NEXT_TICK || $TICK,
2862 data => WF_AUTOCANCEL,
2863 cb => sub {
2864 if ($Coro::current != $Coro::main) { 3802 if ($Coro::current != $Coro::main) {
2865 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3803 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866 unless ++$bug_warning > 10; 3804 unless ++$bug_warning > 10;
2867 return; 3805 return;
2868 } 3806 }
2869 3807
2870 $NOW = $tick_start = Event::time;
2871
2872 cf::server_tick; # one server iteration 3808 cf::server_tick; # one server iteration
2873 3809
2874 0 && sync_job {#d# 3810 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875 for(1..10) { 3811 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876 my $t = Event::time; 3812 Coro::async_pool {
2877 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3813 $Coro::current->{desc} = "runtime saver";
2878 or die; 3814 write_runtime_sync
2879 3815 or warn "ERROR: unable to write runtime file: $!";
2880 $map->width (50);
2881 $map->height (50);
2882 $map->alloc;
2883 $map->_load_objects ("/tmp/x.map", 1);
2884 my $t = Event::time - $t;
2885
2886 #next unless $t < 0.0013;#d#
2887 if ($t < $min) {
2888 $min = $t;
2889 }
2890 $avg = $avg * 0.99 + $t * 0.01;
2891 }
2892 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893 exit 0;
2894 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895 }; 3816 };
3817 }
2896 3818
2897 $RUNTIME += $TICK;
2898 $NEXT_TICK += $TICK;
2899
2900 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901 $NEXT_RUNTIME_WRITE = $NOW + 10;
2902 Coro::async_pool {
2903 write_runtime
2904 or warn "ERROR: unable to write runtime file: $!";
2905 };
2906 }
2907
2908# my $AFTER = Event::time;
2909# warn $AFTER - $NOW;#d#
2910
2911 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3819 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912 $sig->send; 3820 $sig->send;
2913 } 3821 }
2914 while (my $sig = shift @WAIT_FOR_TICK) { 3822 while (my $sig = shift @WAIT_FOR_TICK) {
2915 $sig->send; 3823 $sig->send;
2916 } 3824 }
2917 3825
2918 $NOW = Event::time; 3826 $LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920 # if we are delayed by four ticks or more, skip them all
2921 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923 $TICK_WATCHER->at ($NEXT_TICK);
2924 $TICK_WATCHER->start;
2925
2926 $LOAD = ($NOW - $tick_start) / $TICK;
2927 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3827 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928 3828
2929 _post_tick; 3829 if (0) {
2930 3830 if ($NEXT_TICK) {
2931 3831 my $jitter = $TICK_START - $NEXT_TICK;
3832 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3833 warn "jitter $JITTER\n";#d#
3834 }
2932 }, 3835 }
2933); 3836}
2934 3837
2935{ 3838{
2936 BDB::max_poll_time $TICK * 0.1; 3839 # configure BDB
2937 $BDB_POLL_WATCHER = Event->io ( 3840
2938 reentrant => 0,
2939 fd => BDB::poll_fileno,
2940 poll => 'r',
2941 prio => 0,
2942 data => WF_AUTOCANCEL,
2943 cb => \&BDB::poll_cb,
2944 );
2945 BDB::min_parallel 8; 3841 BDB::min_parallel 8;
2946 3842 BDB::max_poll_reqs $TICK * 0.1;
2947 BDB::set_sync_prepare { 3843 $AnyEvent::BDB::WATCHER->priority (1);
2948 my $status;
2949 my $current = $Coro::current;
2950 (
2951 sub {
2952 $status = $!;
2953 $current->ready; undef $current;
2954 },
2955 sub {
2956 Coro::schedule while defined $current;
2957 $! = $status;
2958 },
2959 )
2960 };
2961 3844
2962 unless ($DB_ENV) { 3845 unless ($DB_ENV) {
2963 $DB_ENV = BDB::db_env_create; 3846 $DB_ENV = BDB::db_env_create;
3847 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3848 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3849 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3850 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3851 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964 3852
2965 cf::sync_job { 3853 cf::sync_job {
2966 eval { 3854 eval {
2967 BDB::db_env_open 3855 BDB::db_env_open
2968 $DB_ENV, 3856 $DB_ENV,
2970 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3858 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3859 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972 0666; 3860 0666;
2973 3861
2974 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3862 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977 $DB_ENV->set_lk_detect;
2978 }; 3863 };
2979 3864
2980 cf::cleanup "db_env_open(db): $@" if $@; 3865 cf::cleanup "db_env_open(db): $@" if $@;
2981 }; 3866 };
2982 } 3867 }
3868
3869 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3870 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3871 };
3872 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3873 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3874 };
3875 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3876 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3877 };
2983} 3878}
2984 3879
2985{ 3880{
3881 # configure IO::AIO
3882
2986 IO::AIO::min_parallel 8; 3883 IO::AIO::min_parallel 8;
2987
2988 undef $Coro::AIO::WATCHER;
2989 IO::AIO::max_poll_time $TICK * 0.1; 3884 IO::AIO::max_poll_time $TICK * 0.1;
2990 $AIO_POLL_WATCHER = Event->io ( 3885 undef $AnyEvent::AIO::WATCHER;
2991 reentrant => 0,
2992 data => WF_AUTOCANCEL,
2993 fd => IO::AIO::poll_fileno,
2994 poll => 'r',
2995 prio => 6,
2996 cb => \&IO::AIO::poll_cb,
2997 );
2998} 3886}
2999 3887
3000my $_log_backtrace; 3888my $_log_backtrace;
3001 3889
3002sub _log_backtrace { 3890sub _log_backtrace {
3006 3894
3007 # limit the # of concurrent backtraces 3895 # limit the # of concurrent backtraces
3008 if ($_log_backtrace < 2) { 3896 if ($_log_backtrace < 2) {
3009 ++$_log_backtrace; 3897 ++$_log_backtrace;
3010 async { 3898 async {
3899 $Coro::current->{desc} = "abt $msg";
3900
3011 my @bt = fork_call { 3901 my @bt = fork_call {
3012 @addr = map { sprintf "%x", $_ } @addr; 3902 @addr = map { sprintf "%x", $_ } @addr;
3013 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3903 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3904 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015 or die "addr2line: $!"; 3905 or die "addr2line: $!";

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