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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 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
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 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
1630use re 'eval';
1631
1632my $group;
1633my $interior; $interior = qr{
1634 # match a pod interior sequence sans C<< >>
1635 (?:
1636 \ (.*?)\ (?{ $group = $^N })
1637 | < (??{$interior}) >
1638 )
1639}x;
1640
1641sub expand_cfpod {
1642 my ($self, $pod) = @_;
1643
1644 my $xml;
1645
1646 while () {
1647 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1648 $group = $1;
1649
1650 $group =~ s/&/&amp;/g;
1651 $group =~ s/</&lt;/g;
1652
1653 $xml .= $group;
1654 } elsif ($pod =~ m%\G
1655 ([BCGHITU])
1656 <
1657 (?:
1658 ([^<>]*) (?{ $group = $^N })
1659 | < $interior >
1660 )
1661 >
1662 %gcsx
1663 ) {
1664 my ($code, $data) = ($1, $group);
1665
1666 if ($code eq "B") {
1667 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1668 } elsif ($code eq "I") {
1669 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1670 } elsif ($code eq "U") {
1671 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1672 } elsif ($code eq "C") {
1673 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1674 } elsif ($code eq "T") {
1675 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1676 } elsif ($code eq "G") {
1677 my ($male, $female) = split /\|/, $data;
1678 $data = $self->gender ? $female : $male;
1679 $xml .= expand_cfpod ($self, $data);
1680 } elsif ($code eq "H") {
1681 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1682 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1683 "")
1684 [$self->{hintmode}];
1685 } else {
1686 $xml .= "error processing '$code($data)' directive";
1687 }
1688 } else {
1689 if ($pod =~ /\G(.+)/) {
1690 warn "parse error while expanding $pod (at $1)";
1691 }
1692 last;
1693 }
1694 }
1695
1696 for ($xml) {
1697 # create single paragraphs (very hackish)
1698 s/(?<=\S)\n(?=\w)/ /g;
1699
1700 # compress some whitespace
1701 s/\s+\n/\n/g; # ws line-ends
1702 s/\n\n+/\n/g; # double lines
1703 s/^\n+//; # beginning lines
1704 s/\n+$//; # ending lines
1705 }
1706
1707 $xml
1708}
1709
1710no re 'eval';
1711
1712sub hintmode {
1713 $_[0]{hintmode} = $_[1] if @_ > 1;
1714 $_[0]{hintmode}
1715}
1716
1190=item $player->ext_reply ($msgid, %msg) 1717=item $player->ext_reply ($msgid, @msg)
1191 1718
1192Sends an ext reply to the player. 1719Sends an ext reply to the player.
1193 1720
1194=cut 1721=cut
1195 1722
1196sub ext_reply($$%) { 1723sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1724 my ($self, $id, @msg) = @_;
1198 1725
1199 $msg{msgid} = $id; 1726 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1727}
1203 1728
1204=item $player->ext_event ($type, %msg) 1729=item $player->ext_msg ($type, @msg)
1205 1730
1206Sends an ext event to the client. 1731Sends an ext event to the client.
1207 1732
1208=cut 1733=cut
1209 1734
1210sub ext_event($$%) { 1735sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1736 my ($self, $type, @msg) = @_;
1212 1737
1213 $self->ns->ext_event ($type, %msg); 1738 $self->ns->ext_msg ($type, @msg);
1214} 1739}
1215 1740
1216=head3 cf::region 1741=head3 cf::region
1217 1742
1218=over 4 1743=over 4
1221 1746
1222package cf::region; 1747package cf::region;
1223 1748
1224=item cf::region::find_by_path $path 1749=item cf::region::find_by_path $path
1225 1750
1226Tries to decuce the probable region for a map knowing only its path. 1751Tries to decuce the likely region for a map knowing only its path.
1227 1752
1228=cut 1753=cut
1229 1754
1230sub find_by_path($) { 1755sub find_by_path($) {
1231 my ($path) = @_; 1756 my ($path) = @_;
1232 1757
1233 my ($match, $specificity); 1758 my ($match, $specificity);
1234 1759
1235 for my $region (list) { 1760 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1761 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1762 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1763 if $region->specificity > $specificity;
1239 } 1764 }
1240 } 1765 }
1241 1766
1262our $MAX_RESET = 3600; 1787our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1788our $DEFAULT_RESET = 3000;
1264 1789
1265sub generate_random_map { 1790sub generate_random_map {
1266 my ($self, $rmp) = @_; 1791 my ($self, $rmp) = @_;
1792
1793 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1794
1267 # mit "rum" bekleckern, nicht 1795 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1796 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1797 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1798 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1799 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1361 $self->init; # pass $1 etc. 1889 $self->init; # pass $1 etc.
1362 return $self; 1890 return $self;
1363 } 1891 }
1364 } 1892 }
1365 1893
1366 Carp::carp "unable to resolve path '$path' (base '$base')."; 1894 Carp::cluck "unable to resolve path '$path' (base '$base').";
1367 () 1895 ()
1368} 1896}
1369 1897
1370sub init { 1898sub init {
1371 my ($self) = @_; 1899 my ($self) = @_;
1393 1921
1394# the temporary/swap location 1922# the temporary/swap location
1395sub save_path { 1923sub save_path {
1396 my ($self) = @_; 1924 my ($self) = @_;
1397 1925
1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399 "$TMPDIR/$path.map" 1927 "$TMPDIR/$path.map"
1400} 1928}
1401 1929
1402# the unique path, undef == no special unique path 1930# the unique path, undef == no special unique path
1403sub uniq_path { 1931sub uniq_path {
1404 my ($self) = @_; 1932 my ($self) = @_;
1405 1933
1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1934 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407 "$UNIQUEDIR/$path" 1935 "$UNIQUEDIR/$path"
1408} 1936}
1409 1937
1410# and all this just because we cannot iterate over 1938# and all this just because we cannot iterate over
1411# all maps in C++... 1939# all maps in C++...
1434 1962
1435sub load_header_from($) { 1963sub load_header_from($) {
1436 my ($self, $path) = @_; 1964 my ($self, $path) = @_;
1437 1965
1438 utf8::encode $path; 1966 utf8::encode $path;
1439 #aio_open $path, O_RDONLY, 0 1967 my $f = new_from_file cf::object::thawer $path
1440 # or return;
1441
1442 $self->_load_header ($path)
1443 or return; 1968 or return;
1969
1970 $self->_load_header ($f)
1971 or return;
1972
1973 local $MAP_LOADING{$self->{path}} = $self;
1974 $f->resolve_delayed_derefs;
1444 1975
1445 $self->{load_path} = $path; 1976 $self->{load_path} = $path;
1446 1977
1447 1 1978 1
1448} 1979}
1502sub find { 2033sub find {
1503 my ($path, $origin) = @_; 2034 my ($path, $origin) = @_;
1504 2035
1505 $path = normalise $path, $origin && $origin->path; 2036 $path = normalise $path, $origin && $origin->path;
1506 2037
2038 cf::lock_wait "map_data:$path";#d#remove
1507 cf::lock_wait "map_find:$path"; 2039 cf::lock_wait "map_find:$path";
1508 2040
1509 $cf::MAP{$path} || do { 2041 $cf::MAP{$path} || do {
2042 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510 my $guard = cf::lock_acquire "map_find:$path"; 2043 my $guard2 = cf::lock_acquire "map_find:$path";
2044
1511 my $map = new_from_path cf::map $path 2045 my $map = new_from_path cf::map $path
1512 or return; 2046 or return;
1513 2047
1514 $map->{last_save} = $cf::RUNTIME; 2048 $map->{last_save} = $cf::RUNTIME;
1515 2049
1517 or return; 2051 or return;
1518 2052
1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2053 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously 2054 # doing this can freeze the server in a sync job, obviously
1521 #$cf::WAIT_FOR_TICK->wait; 2055 #$cf::WAIT_FOR_TICK->wait;
2056 undef $guard2;
2057 undef $guard1;
1522 $map->reset; 2058 $map->reset;
1523 undef $guard;
1524 return find $path; 2059 return find $path;
1525 } 2060 }
1526 2061
1527 $cf::MAP{$path} = $map 2062 $cf::MAP{$path} = $map
1528 } 2063 }
1537 local $self->{deny_reset} = 1; # loading can take a long time 2072 local $self->{deny_reset} = 1; # loading can take a long time
1538 2073
1539 my $path = $self->{path}; 2074 my $path = $self->{path};
1540 2075
1541 { 2076 {
1542 my $guard = cf::lock_acquire "map_load:$path"; 2077 my $guard = cf::lock_acquire "map_data:$path";
1543 2078
2079 return unless $self->valid;
1544 return if $self->in_memory != cf::MAP_SWAPPED; 2080 return unless $self->in_memory == cf::MAP_SWAPPED;
1545 2081
1546 $self->in_memory (cf::MAP_LOADING); 2082 $self->in_memory (cf::MAP_LOADING);
1547 2083
1548 $self->alloc; 2084 $self->alloc;
1549 2085
1550 $self->pre_load; 2086 $self->pre_load;
1551 Coro::cede; 2087 cf::cede_to_tick;
1552 2088
2089 my $f = new_from_file cf::object::thawer $self->{load_path};
2090 $f->skip_block;
1553 $self->_load_objects ($self->{load_path}, 1) 2091 $self->_load_objects ($f)
1554 or return; 2092 or return;
1555 2093
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2094 $self->post_load_original
1557 if delete $self->{load_original}; 2095 if delete $self->{load_original};
1558 2096
1559 if (my $uniq = $self->uniq_path) { 2097 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq; 2098 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) { 2099 unless (aio_stat $uniq) {
2100 if (my $f = new_from_file cf::object::thawer $uniq) {
1562 $self->clear_unique_items; 2101 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0); 2102 $self->_load_objects ($f);
2103 $f->resolve_delayed_derefs;
2104 }
1564 } 2105 }
1565 } 2106 }
1566 2107
1567 Coro::cede; 2108 $f->resolve_delayed_derefs;
2109
2110 cf::cede_to_tick;
1568 # now do the right thing for maps 2111 # now do the right thing for maps
1569 $self->link_multipart_objects; 2112 $self->link_multipart_objects;
1570 $self->difficulty ($self->estimate_difficulty) 2113 $self->difficulty ($self->estimate_difficulty)
1571 unless $self->difficulty; 2114 unless $self->difficulty;
1572 Coro::cede; 2115 cf::cede_to_tick;
1573 2116
1574 unless ($self->{deny_activate}) { 2117 unless ($self->{deny_activate}) {
1575 $self->decay_objects; 2118 $self->decay_objects;
1576 $self->fix_auto_apply; 2119 $self->fix_auto_apply;
1577 $self->update_buttons; 2120 $self->update_buttons;
1578 Coro::cede; 2121 cf::cede_to_tick;
1579 $self->set_darkness_map; 2122 $self->set_darkness_map;
1580 Coro::cede; 2123 cf::cede_to_tick;
1581 $self->activate; 2124 $self->activate;
1582 } 2125 }
1583 2126
2127 $self->{last_save} = $cf::RUNTIME;
2128 $self->last_access ($cf::RUNTIME);
2129
1584 $self->in_memory (cf::MAP_IN_MEMORY); 2130 $self->in_memory (cf::MAP_ACTIVE);
1585 } 2131 }
1586 2132
1587 $self->post_load; 2133 $self->post_load;
1588} 2134}
1589 2135
1598 2144
1599 $self 2145 $self
1600} 2146}
1601 2147
1602# find and load all maps in the 3x3 area around a map 2148# find and load all maps in the 3x3 area around a map
1603sub load_diag { 2149sub load_neighbours {
1604 my ($map) = @_; 2150 my ($map) = @_;
1605 2151
1606 my @diag; # diagonal neighbours 2152 my @neigh; # diagonal neighbours
1607 2153
1608 for (0 .. 3) { 2154 for (0 .. 3) {
1609 my $neigh = $map->tile_path ($_) 2155 my $neigh = $map->tile_path ($_)
1610 or next; 2156 or next;
1611 $neigh = find $neigh, $map 2157 $neigh = find $neigh, $map
1612 or next; 2158 or next;
1613 $neigh->load; 2159 $neigh->load;
1614 2160
2161 push @neigh,
1615 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2162 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2163 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1617 } 2164 }
1618 2165
1619 for (@diag) { 2166 for (grep defined $_->[0], @neigh) {
2167 my ($path, $origin) = @$_;
1620 my $neigh = find @$_ 2168 my $neigh = find $path, $origin
1621 or next; 2169 or next;
1622 $neigh->load; 2170 $neigh->load;
1623 } 2171 }
1624} 2172}
1625 2173
1630} 2178}
1631 2179
1632sub do_load_sync { 2180sub do_load_sync {
1633 my ($map) = @_; 2181 my ($map) = @_;
1634 2182
2183 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2184 if $Coro::current == $Coro::main;
2185
1635 cf::sync_job { $map->load }; 2186 cf::sync_job { $map->load };
1636} 2187}
1637 2188
1638our %MAP_PREFETCH; 2189our %MAP_PREFETCH;
1639our $MAP_PREFETCHER = undef; 2190our $MAP_PREFETCHER = undef;
1640 2191
1641sub find_async { 2192sub find_async {
1642 my ($path, $origin) = @_; 2193 my ($path, $origin, $load) = @_;
1643 2194
1644 $path = normalise $path, $origin && $origin->{path}; 2195 $path = normalise $path, $origin && $origin->{path};
1645 2196
1646 if (my $map = $cf::MAP{$path}) { 2197 if (my $map = $cf::MAP{$path}) {
1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2198 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648 } 2199 }
1649 2200
1650 undef $MAP_PREFETCH{$path}; 2201 $MAP_PREFETCH{$path} |= $load;
2202
1651 $MAP_PREFETCHER ||= cf::async { 2203 $MAP_PREFETCHER ||= cf::async {
2204 $Coro::current->{desc} = "map prefetcher";
2205
1652 while (%MAP_PREFETCH) { 2206 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) { 2207 while (my ($k, $v) = each %MAP_PREFETCH) {
1654 my $map = find $path 2208 if (my $map = find $k) {
1655 or next;
1656 $map->load; 2209 $map->load if $v;
2210 }
1657 2211
1658 delete $MAP_PREFETCH{$path}; 2212 delete $MAP_PREFETCH{$k};
1659 } 2213 }
1660 } 2214 }
1661 undef $MAP_PREFETCHER; 2215 undef $MAP_PREFETCHER;
1662 }; 2216 };
1663 $MAP_PREFETCHER->prio (6); 2217 $MAP_PREFETCHER->prio (6);
1666} 2220}
1667 2221
1668sub save { 2222sub save {
1669 my ($self) = @_; 2223 my ($self) = @_;
1670 2224
1671 my $lock = cf::lock_acquire "map_data:" . $self->path; 2225 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2226
1673 $self->{last_save} = $cf::RUNTIME; 2227 $self->{last_save} = $cf::RUNTIME;
1674 2228
1675 return unless $self->dirty; 2229 return unless $self->dirty;
1676 2230
1682 return if $self->{deny_save}; 2236 return if $self->{deny_save};
1683 2237
1684 local $self->{last_access} = $self->last_access;#d# 2238 local $self->{last_access} = $self->last_access;#d#
1685 2239
1686 cf::async { 2240 cf::async {
2241 $Coro::current->{desc} = "map player save";
1687 $_->contr->save for $self->players; 2242 $_->contr->save for $self->players;
1688 }; 2243 };
2244
2245 cf::get_slot 0.02;
1689 2246
1690 if ($uniq) { 2247 if ($uniq) {
1691 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2248 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2249 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1693 } else { 2250 } else {
1699 my ($self) = @_; 2256 my ($self) = @_;
1700 2257
1701 # save first because save cedes 2258 # save first because save cedes
1702 $self->save; 2259 $self->save;
1703 2260
1704 my $lock = cf::lock_acquire "map_data:" . $self->path; 2261 my $lock = cf::lock_acquire "map_data:$self->{path}";
1705 2262
1706 return if $self->players; 2263 return if $self->players;
1707 return if $self->in_memory != cf::MAP_IN_MEMORY; 2264 return if $self->in_memory != cf::MAP_ACTIVE;
1708 return if $self->{deny_save}; 2265 return if $self->{deny_save};
1709 2266
2267 $self->in_memory (cf::MAP_SWAPPED);
2268
2269 $self->deactivate;
2270 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2271 $self->clear;
1711 $self->in_memory (cf::MAP_SWAPPED);
1712} 2272}
1713 2273
1714sub reset_at { 2274sub reset_at {
1715 my ($self) = @_; 2275 my ($self) = @_;
1716 2276
1748 if $uniq; 2308 if $uniq;
1749 } 2309 }
1750 2310
1751 delete $cf::MAP{$self->path}; 2311 delete $cf::MAP{$self->path};
1752 2312
2313 $self->deactivate;
2314 $_->clear_links_to ($self) for values %cf::MAP;
1753 $self->clear; 2315 $self->clear;
1754
1755 $_->clear_links_to ($self) for values %cf::MAP;
1756 2316
1757 $self->unlink_save; 2317 $self->unlink_save;
1758 $self->destroy; 2318 $self->destroy;
1759} 2319}
1760 2320
1761my $nuke_counter = "aaaa"; 2321my $nuke_counter = "aaaa";
1762 2322
1763sub nuke { 2323sub nuke {
1764 my ($self) = @_; 2324 my ($self) = @_;
1765 2325
2326 {
2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
2328
1766 delete $cf::MAP{$self->path}; 2329 delete $cf::MAP{$self->path};
1767 2330
1768 $self->unlink_save; 2331 $self->unlink_save;
1769 2332
1770 bless $self, "cf::map"; 2333 bless $self, "cf::map";
1771 delete $self->{deny_reset}; 2334 delete $self->{deny_reset};
1772 $self->{deny_save} = 1; 2335 $self->{deny_save} = 1;
1773 $self->reset_timeout (1); 2336 $self->reset_timeout (1);
1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2337 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775 2338
1776 $cf::MAP{$self->path} = $self; 2339 $cf::MAP{$self->path} = $self;
2340 }
1777 2341
1778 $self->reset; # polite request, might not happen 2342 $self->reset; # polite request, might not happen
1779} 2343}
1780 2344
1781=item $maps = cf::map::tmp_maps 2345=item $maps = cf::map::tmp_maps
1782 2346
1783Returns an arrayref with all map paths of currently instantiated and saved 2347Returns an arrayref with all map paths of currently instantiated and saved
1784maps. 2348maps. May block.
1785 2349
1786=cut 2350=cut
1787 2351
1788sub tmp_maps() { 2352sub tmp_maps() {
1789 [ 2353 [
1790 map { 2354 map {
1791 utf8::decode $_; 2355 utf8::decode $_;
1792 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o 2356 /\.map$/
1793 ? normalise $_ 2357 ? normalise $_
1794 : () 2358 : ()
1795 } @{ aio_readdir $TMPDIR or [] } 2359 } @{ aio_readdir $TMPDIR or [] }
1796 ] 2360 ]
1797} 2361}
1798 2362
2363=item $maps = cf::map::random_maps
2364
2365Returns an arrayref with all map paths of currently instantiated and saved
2366random maps. May block.
2367
2368=cut
2369
2370sub random_maps() {
2371 [
2372 map {
2373 utf8::decode $_;
2374 /\.map$/
2375 ? normalise "?random/$_"
2376 : ()
2377 } @{ aio_readdir $RANDOMDIR or [] }
2378 ]
2379}
2380
1799=item cf::map::unique_maps 2381=item cf::map::unique_maps
1800 2382
1801Returns an arrayref of paths of all shared maps that have 2383Returns an arrayref of paths of all shared maps that have
1802instantiated unique items. May block. 2384instantiated unique items. May block.
1803 2385
1805 2387
1806sub unique_maps() { 2388sub unique_maps() {
1807 [ 2389 [
1808 map { 2390 map {
1809 utf8::decode $_; 2391 utf8::decode $_;
1810 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o 2392 s/\.map$//; # TODO future compatibility hack
2393 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2394 ? ()
1811 ? normalise $_ 2395 : normalise $_
1812 : ()
1813 } @{ aio_readdir $UNIQUEDIR or [] } 2396 } @{ aio_readdir $UNIQUEDIR or [] }
1814 ] 2397 ]
1815} 2398}
1816 2399
1817package cf;
1818
1819=back 2400=back
1820 2401
1821=head3 cf::object 2402=head3 cf::object
1822 2403
1823=cut 2404=cut
1826 2407
1827=over 4 2408=over 4
1828 2409
1829=item $ob->inv_recursive 2410=item $ob->inv_recursive
1830 2411
1831Returns the inventory of the object _and_ their inventories, recursively. 2412Returns the inventory of the object I<and> their inventories, recursively,
2413but I<not> the object itself.
1832 2414
1833=cut 2415=cut
1834 2416
1835sub inv_recursive_; 2417sub inv_recursive_;
1836sub inv_recursive_ { 2418sub inv_recursive_ {
1839 2421
1840sub inv_recursive { 2422sub inv_recursive {
1841 inv_recursive_ inv $_[0] 2423 inv_recursive_ inv $_[0]
1842} 2424}
1843 2425
2426=item $ref = $ob->ref
2427
2428Creates and returns a persistent reference to an object that can be stored as a string.
2429
2430=item $ob = cf::object::deref ($refstring)
2431
2432returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2433even if the object actually exists. May block.
2434
2435=cut
2436
2437sub deref {
2438 my ($ref) = @_;
2439
2440 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2441 my ($uuid, $name) = ($1, $2);
2442 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2443 or return;
2444 $pl->ob->uuid eq $uuid
2445 or return;
2446
2447 $pl->ob
2448 } else {
2449 warn "$ref: cannot resolve object reference\n";
2450 undef
2451 }
2452}
2453
1844package cf; 2454package cf;
1845 2455
1846=back 2456=back
1847 2457
1848=head3 cf::object::player 2458=head3 cf::object::player
1854Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2464Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855can be C<undef>. Does the right thing when the player is currently in a 2465can be C<undef>. Does the right thing when the player is currently in a
1856dialogue with the given NPC character. 2466dialogue with the given NPC character.
1857 2467
1858=cut 2468=cut
2469
2470our $SAY_CHANNEL = {
2471 id => "say",
2472 title => "Map",
2473 reply => "say ",
2474 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2475};
2476
2477our $CHAT_CHANNEL = {
2478 id => "chat",
2479 title => "Chat",
2480 reply => "chat ",
2481 tooltip => "Player chat and shouts, global to the server.",
2482};
1859 2483
1860# rough implementation of a future "reply" method that works 2484# rough implementation of a future "reply" method that works
1861# with dialog boxes. 2485# with dialog boxes.
1862#TODO: the first argument must go, split into a $npc->reply_to ( method 2486#TODO: the first argument must go, split into a $npc->reply_to ( method
1863sub cf::object::player::reply($$$;$) { 2487sub cf::object::player::reply($$$;$) {
1865 2489
1866 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2490 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867 2491
1868 if ($self->{record_replies}) { 2492 if ($self->{record_replies}) {
1869 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2493 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2494
1870 } else { 2495 } else {
2496 my $pl = $self->contr;
2497
2498 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2499 my $dialog = $pl->{npc_dialog};
2500 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2501
2502 } else {
1871 $msg = $npc->name . " says: $msg" if $npc; 2503 $msg = $npc->name . " says: $msg" if $npc;
1872 $self->message ($msg, $flags); 2504 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2505 }
1873 } 2506 }
2507}
2508
2509=item $object->send_msg ($channel, $msg, $color, [extra...])
2510
2511=cut
2512
2513sub cf::object::send_msg {
2514 my $pl = shift->contr
2515 or return;
2516 $pl->send_msg (@_);
1874} 2517}
1875 2518
1876=item $player_object->may ("access") 2519=item $player_object->may ("access")
1877 2520
1878Returns wether the given player is authorized to access resource "access" 2521Returns wether the given player is authorized to access resource "access"
1957 # use -1 or undef as default coordinates, not 0, 0 2600 # use -1 or undef as default coordinates, not 0, 0
1958 ($x, $y) = ($map->enter_x, $map->enter_y) 2601 ($x, $y) = ($map->enter_x, $map->enter_y)
1959 if $x <=0 && $y <= 0; 2602 if $x <=0 && $y <= 0;
1960 2603
1961 $map->load; 2604 $map->load;
1962 $map->load_diag; 2605 $map->load_neighbours;
1963 2606
1964 return unless $self->contr->active; 2607 return unless $self->contr->active;
1965 $self->activate_recursive; 2608 $self->activate_recursive;
1966 2609
1967 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2610 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968 $self->enter_map ($map, $x, $y); 2611 $self->enter_map ($map, $x, $y);
1969} 2612}
1970 2613
1971=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2614=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972 2615
1973Moves the player to the given map-path and coordinates by first freezing 2616Moves the player to the given map-path and coordinates by first freezing
1974her, loading and preparing them map, calling the provided $check callback 2617her, loading and preparing them map, calling the provided $check callback
1975that has to return the map if sucecssful, and then unfreezes the player on 2618that has to return the map if sucecssful, and then unfreezes the player on
1976the new (success) or old (failed) map position. 2619the new (success) or old (failed) map position. In either case, $done will
2620be called at the end of this process.
2621
2622Note that $check will be called with a potentially non-loaded map, so if
2623it needs a loaded map it has to call C<< ->load >>.
1977 2624
1978=cut 2625=cut
1979 2626
1980our $GOTOGEN; 2627our $GOTOGEN;
1981 2628
1982sub cf::object::player::goto { 2629sub cf::object::player::goto {
1983 my ($self, $path, $x, $y, $check) = @_; 2630 my ($self, $path, $x, $y, $check, $done) = @_;
1984 2631
1985 # do generation counting so two concurrent goto's will be executed in-order 2632 # do generation counting so two concurrent goto's will be executed in-order
1986 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2633 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987 2634
1988 $self->enter_link; 2635 $self->enter_link;
1989 2636
1990 (async { 2637 (async {
2638 $Coro::current->{desc} = "player::goto $path $x $y";
2639
2640 # *tag paths override both path and x|y
2641 if ($path =~ /^\*(.*)$/) {
2642 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2643 my $ob = $obs[rand @obs];
2644
2645 # see if we actually can go there
2646 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2647 $ob = $obs[rand @obs];
2648 } else {
2649 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2650 }
2651 # else put us there anyways for now #d#
2652
2653 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2654 } else {
2655 ($path, $x, $y) = (undef, undef, undef);
2656 }
2657 }
2658
1991 my $map = eval { 2659 my $map = eval {
1992 my $map = cf::map::find $path; 2660 my $map = defined $path ? cf::map::find $path : undef;
1993 2661
1994 if ($map) { 2662 if ($map) {
1995 $map = $map->customise_for ($self); 2663 $map = $map->customise_for ($self);
1996 $map = $check->($map) if $check && $map; 2664 $map = $check->($map) if $check && $map;
1997 } else { 2665 } else {
1998 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2666 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999 } 2667 }
2000 2668
2001 $map 2669 $map
2002 }; 2670 };
2003 2671
2008 2676
2009 if ($gen == $self->{_goto_generation}) { 2677 if ($gen == $self->{_goto_generation}) {
2010 delete $self->{_goto_generation}; 2678 delete $self->{_goto_generation};
2011 $self->leave_link ($map, $x, $y); 2679 $self->leave_link ($map, $x, $y);
2012 } 2680 }
2681
2682 $done->() if $done;
2013 })->prio (1); 2683 })->prio (1);
2014} 2684}
2015 2685
2016=item $player_object->enter_exit ($exit_object) 2686=item $player_object->enter_exit ($exit_object)
2017 2687
2037} 2707}
2038 2708
2039sub prepare_random_map { 2709sub prepare_random_map {
2040 my ($exit) = @_; 2710 my ($exit) = @_;
2041 2711
2042 my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044 # all this does is basically replace the /! path by 2712 # all this does is basically replace the /! path by
2045 # a new random map path (?random/...) with a seed 2713 # a new random map path (?random/...) with a seed
2046 # that depends on the exit object 2714 # that depends on the exit object
2047 2715
2048 my $rmp = parse_random_map_params $exit->msg; 2716 my $rmp = parse_random_map_params $exit->msg;
2050 if ($exit->map) { 2718 if ($exit->map) {
2051 $rmp->{region} = $exit->region->name; 2719 $rmp->{region} = $exit->region->name;
2052 $rmp->{origin_map} = $exit->map->path; 2720 $rmp->{origin_map} = $exit->map->path;
2053 $rmp->{origin_x} = $exit->x; 2721 $rmp->{origin_x} = $exit->x;
2054 $rmp->{origin_y} = $exit->y; 2722 $rmp->{origin_y} = $exit->y;
2723
2724 $exit->map->touch;
2055 } 2725 }
2056 2726
2057 $rmp->{random_seed} ||= $exit->random_seed; 2727 $rmp->{random_seed} ||= $exit->random_seed;
2058 2728
2059 my $data = cf::to_json $rmp; 2729 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060 my $md5 = Digest::MD5::md5_hex $data; 2730 my $md5 = Digest::MD5::md5_hex $data;
2061 my $meta = "$RANDOMDIR/$md5.meta"; 2731 my $meta = "$RANDOMDIR/$md5.meta";
2062 2732
2063 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2733 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064 aio_write $fh, 0, (length $data), $data, 0; 2734 aio_write $fh, 0, (length $data), $data, 0;
2065 undef $fh; 2735 undef $fh;
2066 aio_rename "$meta~", $meta; 2736 aio_rename "$meta~", $meta;
2067 2737
2738 my $slaying = "?random/$md5";
2739
2740 if ($exit->valid) {
2068 $exit->slaying ("?random/$md5"); 2741 $exit->slaying ("?random/$md5");
2069 $exit->msg (undef); 2742 $exit->msg (undef);
2743 }
2070 } 2744 }
2071} 2745}
2072 2746
2073sub cf::object::player::enter_exit { 2747sub cf::object::player::enter_exit {
2074 my ($self, $exit) = @_; 2748 my ($self, $exit) = @_;
2075 2749
2076 return unless $self->type == cf::PLAYER; 2750 return unless $self->type == cf::PLAYER;
2077 2751
2078 if ($exit->slaying eq "/!") {
2079 #TODO: this should de-fi-ni-te-ly not be a sync-job
2080 # the problem is that $exit might not survive long enough
2081 # so it needs to be done right now, right here
2082 cf::sync_job { prepare_random_map $exit };
2083 }
2084
2085 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086 my $hp = $exit->stats->hp;
2087 my $sp = $exit->stats->sp;
2088
2089 $self->enter_link; 2752 $self->enter_link;
2090 2753
2091 (async { 2754 (async {
2092 $self->deactivate_recursive; # just to be sure 2755 $Coro::current->{desc} = "enter_exit";
2756
2093 unless (eval { 2757 unless (eval {
2758 $self->deactivate_recursive; # just to be sure
2759
2760 # random map handling
2761 {
2762 my $guard = cf::lock_acquire "exit_prepare:$exit";
2763
2764 prepare_random_map $exit
2765 if $exit->slaying eq "/!";
2766 }
2767
2768 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2769 my $x = $exit->stats->hp;
2770 my $y = $exit->stats->sp;
2771
2094 $self->goto ($slaying, $hp, $sp); 2772 $self->goto ($map, $x, $y);
2095 2773
2774 # if exit is damned, update players death & WoR home-position
2775 $self->contr->savebed ($map, $x, $y)
2776 if $exit->flag (cf::FLAG_DAMNED);
2777
2096 1; 2778 1
2097 }) { 2779 }) {
2098 $self->message ("Something went wrong deep within the crossfire server. " 2780 $self->message ("Something went wrong deep within the crossfire server. "
2099 . "I'll try to bring you back to the map you were before. " 2781 . "I'll try to bring you back to the map you were before. "
2100 . "Please report this to the dungeon master!", 2782 . "Please report this to the dungeon master!",
2101 cf::NDI_UNIQUE | cf::NDI_RED); 2783 cf::NDI_UNIQUE | cf::NDI_RED);
2122 2804
2123 utf8::encode $text; 2805 utf8::encode $text;
2124 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2806 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125} 2807}
2126 2808
2809=item $client->send_msg ($channel, $msg, $color, [extra...])
2810
2811Send a drawinfo or msg packet to the client, formatting the msg for the
2812client if neccessary. C<$type> should be a string identifying the type of
2813the message, with C<log> being the default. If C<$color> is negative, suppress
2814the message unless the client supports the msg packet.
2815
2816=cut
2817
2818# non-persistent channels (usually the info channel)
2819our %CHANNEL = (
2820 "c/identify" => {
2821 id => "infobox",
2822 title => "Identify",
2823 reply => undef,
2824 tooltip => "Items recently identified",
2825 },
2826 "c/examine" => {
2827 id => "infobox",
2828 title => "Examine",
2829 reply => undef,
2830 tooltip => "Signs and other items you examined",
2831 },
2832 "c/book" => {
2833 id => "infobox",
2834 title => "Book",
2835 reply => undef,
2836 tooltip => "The contents of a note or book",
2837 },
2838 "c/lookat" => {
2839 id => "infobox",
2840 title => "Look",
2841 reply => undef,
2842 tooltip => "What you saw there",
2843 },
2844 "c/who" => {
2845 id => "infobox",
2846 title => "Players",
2847 reply => undef,
2848 tooltip => "Shows players who are currently online",
2849 },
2850 "c/body" => {
2851 id => "infobox",
2852 title => "Body Parts",
2853 reply => undef,
2854 tooltip => "Shows which body parts you posess and are available",
2855 },
2856 "c/uptime" => {
2857 id => "infobox",
2858 title => "Uptime",
2859 reply => undef,
2860 tooltip => "How long the server has been running since last restart",
2861 },
2862 "c/mapinfo" => {
2863 id => "infobox",
2864 title => "Map Info",
2865 reply => undef,
2866 tooltip => "Information related to the maps",
2867 },
2868 "c/party" => {
2869 id => "party",
2870 title => "Party",
2871 reply => "gsay ",
2872 tooltip => "Messages and chat related to your party",
2873 },
2874);
2875
2876sub cf::client::send_msg {
2877 my ($self, $channel, $msg, $color, @extra) = @_;
2878
2879 $msg = $self->pl->expand_cfpod ($msg);
2880
2881 $color &= cf::NDI_CLIENT_MASK; # just in case...
2882
2883 # check predefined channels, for the benefit of C
2884 if ($CHANNEL{$channel}) {
2885 $channel = $CHANNEL{$channel};
2886
2887 $self->ext_msg (channel_info => $channel)
2888 if $self->can_msg;
2889
2890 $channel = $channel->{id};
2891
2892 } elsif (ref $channel) {
2893 # send meta info to client, if not yet sent
2894 unless (exists $self->{channel}{$channel->{id}}) {
2895 $self->{channel}{$channel->{id}} = $channel;
2896 $self->ext_msg (channel_info => $channel)
2897 if $self->can_msg;
2898 }
2899
2900 $channel = $channel->{id};
2901 }
2902
2903 return unless @extra || length $msg;
2904
2905 if ($self->can_msg) {
2906 # default colour, mask it out
2907 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908 if $color & cf::NDI_DEF;
2909
2910 $self->send_packet ("msg " . $self->{json_coder}->encode (
2911 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2912 } else {
2913 if ($color >= 0) {
2914 # replace some tags by gcfclient-compatible ones
2915 for ($msg) {
2916 1 while
2917 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2918 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2919 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2920 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2921 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2922 }
2923
2924 $color &= cf::NDI_COLOR_MASK;
2925
2926 utf8::encode $msg;
2927
2928 if (0 && $msg =~ /\[/) {
2929 # COMMAND/INFO
2930 $self->send_packet ("drawextinfo $color 10 8 $msg")
2931 } else {
2932 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2933 $self->send_packet ("drawinfo $color $msg")
2934 }
2935 }
2936 }
2937}
2938
2127=item $client->ext_event ($type, %msg) 2939=item $client->ext_msg ($type, @msg)
2128 2940
2129Sends an exti event to the client. 2941Sends an ext event to the client.
2130 2942
2131=cut 2943=cut
2132 2944
2133sub cf::client::ext_event($$%) { 2945sub cf::client::ext_msg($$@) {
2134 my ($self, $type, %msg) = @_; 2946 my ($self, $type, @msg) = @_;
2135 2947
2948 if ($self->extcmd == 2) {
2949 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2950 } elsif ($self->extcmd == 1) { # TODO: remove
2136 $msg{msgtype} = "event_$type"; 2951 push @msg, msgtype => "event_$type";
2137 $self->send_packet ("ext " . cf::to_json \%msg); 2952 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2953 }
2954}
2955
2956=item $client->ext_reply ($msgid, @msg)
2957
2958Sends an ext reply to the client.
2959
2960=cut
2961
2962sub cf::client::ext_reply($$@) {
2963 my ($self, $id, @msg) = @_;
2964
2965 if ($self->extcmd == 2) {
2966 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2967 } elsif ($self->extcmd == 1) {
2968 #TODO: version 1, remove
2969 unshift @msg, msgtype => "reply", msgid => $id;
2970 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2971 }
2138} 2972}
2139 2973
2140=item $success = $client->query ($flags, "text", \&cb) 2974=item $success = $client->query ($flags, "text", \&cb)
2141 2975
2142Queues a query to the client, calling the given callback with 2976Queues a query to the client, calling the given callback with
2143the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2977the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2978C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145 2979
2146Queries can fail, so check the return code. Or don't, as queries will become 2980Queries can fail, so check the return code. Or don't, as queries will
2147reliable at some point in the future. 2981become reliable at some point in the future.
2148 2982
2149=cut 2983=cut
2150 2984
2151sub cf::client::query { 2985sub cf::client::query {
2152 my ($self, $flags, $text, $cb) = @_; 2986 my ($self, $flags, $text, $cb) = @_;
2160 utf8::encode $text; 2994 utf8::encode $text;
2161 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2995 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162 2996
2163 $self->send_packet ($self->{query_queue}[0][0]) 2997 $self->send_packet ($self->{query_queue}[0][0])
2164 if @{ $self->{query_queue} } == 1; 2998 if @{ $self->{query_queue} } == 1;
2999
3000 1
2165} 3001}
2166 3002
2167cf::client->attach ( 3003cf::client->attach (
3004 on_connect => sub {
3005 my ($ns) = @_;
3006
3007 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3008 },
2168 on_reply => sub { 3009 on_reply => sub {
2169 my ($ns, $msg) = @_; 3010 my ($ns, $msg) = @_;
2170 3011
2171 # this weird shuffling is so that direct followup queries 3012 # this weird shuffling is so that direct followup queries
2172 # get handled first 3013 # get handled first
2184 } else { 3025 } else {
2185 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3026 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186 } 3027 }
2187 } 3028 }
2188 }, 3029 },
3030 on_exticmd => sub {
3031 my ($ns, $buf) = @_;
3032
3033 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3034
3035 if (ref $msg) {
3036 my ($type, $reply, @payload) =
3037 "ARRAY" eq ref $msg
3038 ? @$msg
3039 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3040
3041 my @reply;
3042
3043 if (my $cb = $EXTICMD{$type}) {
3044 @reply = $cb->($ns, @payload);
3045 }
3046
3047 $ns->ext_reply ($reply, @reply)
3048 if $reply;
3049
3050 } else {
3051 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3052 }
3053
3054 cf::override;
3055 },
2189); 3056);
2190 3057
2191=item $client->async (\&cb) 3058=item $client->async (\&cb)
2192 3059
2193Create a new coroutine, running the specified callback. The coroutine will 3060Create a new coroutine, running the specified callback. The coroutine will
2234our $safe = new Safe "safe"; 3101our $safe = new Safe "safe";
2235our $safe_hole = new Safe::Hole; 3102our $safe_hole = new Safe::Hole;
2236 3103
2237$SIG{FPE} = 'IGNORE'; 3104$SIG{FPE} = 'IGNORE';
2238 3105
2239$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3106$safe->permit_only (Opcode::opset qw(
3107 :base_core :base_mem :base_orig :base_math
3108 grepstart grepwhile mapstart mapwhile
3109 sort time
3110));
2240 3111
2241# here we export the classes and methods available to script code 3112# here we export the classes and methods available to script code
2242 3113
2243=pod 3114=pod
2244 3115
2245The following functions and methods are available within a safe environment: 3116The following functions and methods are available within a safe environment:
2246 3117
2247 cf::object contr pay_amount pay_player map 3118 cf::object
3119 contr pay_amount pay_player map x y force_find force_add destroy
3120 insert remove name archname title slaying race decrease split
3121
2248 cf::object::player player 3122 cf::object::player
2249 cf::player peaceful 3123 player
2250 cf::map trigger 3124
3125 cf::player
3126 peaceful
3127
3128 cf::map
3129 trigger
2251 3130
2252=cut 3131=cut
2253 3132
2254for ( 3133for (
2255 ["cf::object" => qw(contr pay_amount pay_player map)], 3134 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3135 insert remove inv nrof name archname title slaying race
3136 decrease split destroy change_exp)],
2256 ["cf::object::player" => qw(player)], 3137 ["cf::object::player" => qw(player)],
2257 ["cf::player" => qw(peaceful)], 3138 ["cf::player" => qw(peaceful)],
2258 ["cf::map" => qw(trigger)], 3139 ["cf::map" => qw(trigger)],
2259) { 3140) {
2260 no strict 'refs'; 3141 no strict 'refs';
2331=back 3212=back
2332 3213
2333=cut 3214=cut
2334 3215
2335############################################################################# 3216#############################################################################
2336
2337=head2 EXTENSION DATABASE SUPPORT
2338
2339Crossfire maintains a very simple database for extension use. It can
2340currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341convert to/from binary).
2342
2343The parameter C<$family> should best start with the name of the extension
2344using it, it should be unique.
2345
2346=over 4
2347
2348=item $value = cf::db_get $family => $key
2349
2350Returns a single value from the database.
2351
2352=item cf::db_put $family => $key => $value
2353
2354Stores the given C<$value> in the family.
2355
2356=cut
2357
2358our $DB;
2359
2360sub db_init {
2361 unless ($DB) {
2362 $DB = BDB::db_create $DB_ENV;
2363
2364 cf::sync_job {
2365 eval {
2366 $DB->set_flags (BDB::CHKSUM);
2367
2368 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370 cf::cleanup "db_open(db): $!" if $!;
2371 };
2372 cf::cleanup "db_open(db): $@" if $@;
2373 };
2374 }
2375}
2376
2377sub db_get($$) {
2378 my $key = "$_[0]/$_[1]";
2379
2380 cf::sync_job {
2381 BDB::db_get $DB, undef, $key, my $data;
2382
2383 $! ? ()
2384 : $data
2385 }
2386}
2387
2388sub db_put($$$) {
2389 BDB::dbreq_pri 4;
2390 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391}
2392
2393=item cf::cache $id => [$paths...], $processversion => $process
2394
2395Generic caching function that returns the value of the resource $id,
2396caching and regenerating as required.
2397
2398This function can block.
2399
2400=cut
2401
2402sub cache {
2403 my ($id, $src, $processversion, $process) = @_;
2404
2405 my $meta =
2406 join "\x00",
2407 $processversion,
2408 map {
2409 aio_stat $_
2410 and Carp::croak "$_: $!";
2411
2412 ($_, (stat _)[7,9])
2413 } @$src;
2414
2415 my $dbmeta = db_get cache => "$id/meta";
2416 if ($dbmeta ne $meta) {
2417 # changed, we may need to process
2418
2419 my @data;
2420 my $md5;
2421
2422 for (0 .. $#$src) {
2423 0 <= aio_load $src->[$_], $data[$_]
2424 or Carp::croak "$src->[$_]: $!";
2425 }
2426
2427 # if processing is expensive, check
2428 # checksum first
2429 if (1) {
2430 $md5 =
2431 join "\x00",
2432 $processversion,
2433 map {
2434 Coro::cede;
2435 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2436 } 0.. $#$src;
2437
2438
2439 my $dbmd5 = db_get cache => "$id/md5";
2440 if ($dbmd5 eq $md5) {
2441 db_put cache => "$id/meta", $meta;
2442
2443 return db_get cache => "$id/data";
2444 }
2445 }
2446
2447 my $t1 = Time::HiRes::time;
2448 my $data = $process->(\@data);
2449 my $t2 = Time::HiRes::time;
2450
2451 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453 db_put cache => "$id/data", $data;
2454 db_put cache => "$id/md5" , $md5;
2455 db_put cache => "$id/meta", $meta;
2456
2457 return $data;
2458 }
2459
2460 db_get cache => "$id/data"
2461}
2462
2463=item fork_call { }, $args
2464
2465Executes the given code block with the given arguments in a seperate
2466process, returning the results. Everything must be serialisable with
2467Coro::Storable. May, of course, block. Note that the executed sub may
2468never block itself or use any form of Event handling.
2469
2470=cut
2471
2472sub fork_call(&@) {
2473 my ($cb, @args) = @_;
2474
2475# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476# or die "socketpair: $!";
2477 pipe my $fh1, my $fh2
2478 or die "pipe: $!";
2479
2480 if (my $pid = fork) {
2481 close $fh2;
2482
2483 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484 $res = Coro::Storable::thaw $res;
2485
2486 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488 die $$res unless "ARRAY" eq ref $res;
2489
2490 return wantarray ? @$res : $res->[-1];
2491 } else {
2492 reset_signals;
2493 local $SIG{__WARN__};
2494 local $SIG{__DIE__};
2495 eval {
2496 close $fh1;
2497
2498 my @res = eval { $cb->(@args) };
2499 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500 };
2501
2502 warn $@ if $@;
2503 _exit 0;
2504 }
2505}
2506
2507#############################################################################
2508# the server's init and main functions 3217# the server's init and main functions
2509 3218
2510sub load_facedata($) { 3219sub load_facedata($) {
2511 my ($path) = @_; 3220 my ($path) = @_;
3221
3222 # HACK to clear player env face cache, we need some signal framework
3223 # for this (global event?)
3224 %ext::player_env::MUSIC_FACE_CACHE = ();
3225
3226 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512 3227
2513 warn "loading facedata from $path\n"; 3228 warn "loading facedata from $path\n";
2514 3229
2515 my $facedata; 3230 my $facedata;
2516 0 < aio_load $path, $facedata 3231 0 < aio_load $path, $facedata
2519 $facedata = Coro::Storable::thaw $facedata; 3234 $facedata = Coro::Storable::thaw $facedata;
2520 3235
2521 $facedata->{version} == 2 3236 $facedata->{version} == 2
2522 or cf::cleanup "$path: version mismatch, cannot proceed."; 3237 or cf::cleanup "$path: version mismatch, cannot proceed.";
2523 3238
3239 # patch in the exptable
3240 $facedata->{resource}{"res/exp_table"} = {
3241 type => FT_RSRC,
3242 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3243 };
3244 cf::cede_to_tick;
3245
2524 { 3246 {
2525 my $faces = $facedata->{faceinfo}; 3247 my $faces = $facedata->{faceinfo};
2526 3248
2527 while (my ($face, $info) = each %$faces) { 3249 while (my ($face, $info) = each %$faces) {
2528 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3250 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3251
2529 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3252 cf::face::set_visibility $idx, $info->{visibility};
3253 cf::face::set_magicmap $idx, $info->{magicmap};
2530 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3254 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3255 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532 Coro::cede; 3256
3257 cf::cede_to_tick;
2533 } 3258 }
2534 3259
2535 while (my ($face, $info) = each %$faces) { 3260 while (my ($face, $info) = each %$faces) {
2536 next unless $info->{smooth}; 3261 next unless $info->{smooth};
3262
2537 my $idx = cf::face::find $face 3263 my $idx = cf::face::find $face
2538 or next; 3264 or next;
3265
2539 if (my $smooth = cf::face::find $info->{smooth}) { 3266 if (my $smooth = cf::face::find $info->{smooth}) {
3267 cf::face::set_smooth $idx, $smooth;
2540 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3268 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541 } else { 3269 } else {
2542 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3270 warn "smooth face '$info->{smooth}' not found for face '$face'";
2543 } 3271 }
2544 Coro::cede; 3272
3273 cf::cede_to_tick;
2545 } 3274 }
2546 } 3275 }
2547 3276
2548 { 3277 {
2549 my $anims = $facedata->{animinfo}; 3278 my $anims = $facedata->{animinfo};
2550 3279
2551 while (my ($anim, $info) = each %$anims) { 3280 while (my ($anim, $info) = each %$anims) {
2552 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3281 cf::anim::set $anim, $info->{frames}, $info->{facings};
2553 Coro::cede; 3282 cf::cede_to_tick;
2554 } 3283 }
2555 3284
2556 cf::anim::invalidate_all; # d'oh 3285 cf::anim::invalidate_all; # d'oh
2557 } 3286 }
2558 3287
3288 {
3289 # TODO: for gcfclient pleasure, we should give resources
3290 # that gcfclient doesn't grok a >10000 face index.
3291 my $res = $facedata->{resource};
3292
3293 while (my ($name, $info) = each %$res) {
3294 if (defined $info->{type}) {
3295 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3296 my $data;
3297
3298 if ($info->{type} & 1) {
3299 # prepend meta info
3300
3301 my $meta = $enc->encode ({
3302 name => $name,
3303 %{ $info->{meta} || {} },
3304 });
3305
3306 $data = pack "(w/a*)*", $meta, $info->{data};
3307 } else {
3308 $data = $info->{data};
3309 }
3310
3311 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3312 cf::face::set_type $idx, $info->{type};
3313 } else {
3314 $RESOURCE{$name} = $info;
3315 }
3316
3317 cf::cede_to_tick;
3318 }
3319 }
3320
3321 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3322
2559 1 3323 1
2560} 3324}
2561 3325
3326cf::global->attach (on_resource_update => sub {
3327 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3328 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3329
3330 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3331 my $sound = $soundconf->{compat}[$_]
3332 or next;
3333
3334 my $face = cf::face::find "sound/$sound->[1]";
3335 cf::sound::set $sound->[0] => $face;
3336 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3337 }
3338
3339 while (my ($k, $v) = each %{$soundconf->{event}}) {
3340 my $face = cf::face::find "sound/$v";
3341 cf::sound::set $k => $face;
3342 }
3343 }
3344});
3345
3346register_exticmd fx_want => sub {
3347 my ($ns, $want) = @_;
3348
3349 while (my ($k, $v) = each %$want) {
3350 $ns->fx_want ($k, $v);
3351 }
3352};
3353
3354sub load_resource_file($) {
3355 my $guard = lock_acquire "load_resource_file";
3356
3357 my $status = load_resource_file_ $_[0];
3358 get_slot 0.1, 100;
3359 cf::arch::commit_load;
3360
3361 $status
3362}
3363
2562sub reload_regions { 3364sub reload_regions {
3365 # HACK to clear player env face cache, we need some signal framework
3366 # for this (global event?)
3367 %ext::player_env::MUSIC_FACE_CACHE = ();
3368
2563 load_resource_file "$MAPDIR/regions" 3369 load_resource_file "$MAPDIR/regions"
2564 or die "unable to load regions file\n"; 3370 or die "unable to load regions file\n";
3371
3372 for (cf::region::list) {
3373 $_->{match} = qr/$_->{match}/
3374 if exists $_->{match};
3375 }
2565} 3376}
2566 3377
2567sub reload_facedata { 3378sub reload_facedata {
2568 load_facedata "$DATADIR/facedata" 3379 load_facedata "$DATADIR/facedata"
2569 or die "unable to load facedata\n"; 3380 or die "unable to load facedata\n";
2580} 3391}
2581 3392
2582sub reload_resources { 3393sub reload_resources {
2583 warn "reloading resource files...\n"; 3394 warn "reloading resource files...\n";
2584 3395
3396 reload_facedata;
3397 reload_archetypes;
2585 reload_regions; 3398 reload_regions;
2586 reload_facedata;
2587 #reload_archetypes;#d#
2588 reload_archetypes;
2589 reload_treasures; 3399 reload_treasures;
2590 3400
2591 warn "finished reloading resource files\n"; 3401 warn "finished reloading resource files\n";
2592} 3402}
2593 3403
2594sub init { 3404sub init {
3405 my $guard = freeze_mainloop;
3406
3407 evthread_start IO::AIO::poll_fileno;
3408
2595 reload_resources; 3409 reload_resources;
2596} 3410}
2597 3411
2598sub cfg_load { 3412sub reload_config {
2599 open my $fh, "<:utf8", "$CONFDIR/config" 3413 open my $fh, "<:utf8", "$CONFDIR/config"
2600 or return; 3414 or return;
2601 3415
2602 local $/; 3416 local $/;
2603 *CFG = YAML::Syck::Load <$fh>; 3417 *CFG = YAML::Load <$fh>;
2604 3418
2605 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3419 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606 3420
2607 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3421 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3422 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2619sub main { 3433sub main {
2620 # we must not ever block the main coroutine 3434 # we must not ever block the main coroutine
2621 local $Coro::idle = sub { 3435 local $Coro::idle = sub {
2622 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3436 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623 (async { 3437 (async {
2624 Event::one_event; 3438 $Coro::current->{desc} = "IDLE BUG HANDLER";
3439 EV::loop EV::LOOP_ONESHOT;
2625 })->prio (Coro::PRIO_MAX); 3440 })->prio (Coro::PRIO_MAX);
2626 }; 3441 };
2627 3442
2628 cfg_load; 3443 {
3444 my $guard = freeze_mainloop;
3445 reload_config;
2629 db_init; 3446 db_init;
2630 load_extensions; 3447 load_extensions;
2631 3448
2632 $TICK_WATCHER->start; 3449 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3450 }
3451
2633 Event::loop; 3452 EV::loop;
2634} 3453}
2635 3454
2636############################################################################# 3455#############################################################################
2637# initialisation and cleanup 3456# initialisation and cleanup
2638 3457
2639# install some emergency cleanup handlers 3458# install some emergency cleanup handlers
2640BEGIN { 3459BEGIN {
3460 our %SIGWATCHER = ();
2641 for my $signal (qw(INT HUP TERM)) { 3461 for my $signal (qw(INT HUP TERM)) {
2642 Event->signal ( 3462 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2643 reentrant => 0,
2644 data => WF_AUTOCANCEL,
2645 signal => $signal,
2646 prio => 0,
2647 cb => sub {
2648 cf::cleanup "SIG$signal"; 3463 cf::cleanup "SIG$signal";
2649 },
2650 ); 3464 };
3465 }
3466}
3467
3468sub write_runtime_sync {
3469 my $runtime = "$LOCALDIR/runtime";
3470
3471 # first touch the runtime file to show we are still running:
3472 # the fsync below can take a very very long time.
3473
3474 IO::AIO::aio_utime $runtime, undef, undef;
3475
3476 my $guard = cf::lock_acquire "write_runtime";
3477
3478 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3479 or return;
3480
3481 my $value = $cf::RUNTIME + 90 + 10;
3482 # 10 is the runtime save interval, for a monotonic clock
3483 # 60 allows for the watchdog to kill the server.
3484
3485 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3486 and return;
3487
3488 # always fsync - this file is important
3489 aio_fsync $fh
3490 and return;
3491
3492 # touch it again to show we are up-to-date
3493 aio_utime $fh, undef, undef;
3494
3495 close $fh
3496 or return;
3497
3498 aio_rename "$runtime~", $runtime
3499 and return;
3500
3501 warn "runtime file written.\n";
3502
2651 } 3503 1
3504}
3505
3506our $uuid_lock;
3507our $uuid_skip;
3508
3509sub write_uuid_sync($) {
3510 $uuid_skip ||= $_[0];
3511
3512 return if $uuid_lock;
3513 local $uuid_lock = 1;
3514
3515 my $uuid = "$LOCALDIR/uuid";
3516
3517 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518 or return;
3519
3520 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3521 $uuid_skip = 0;
3522
3523 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3524 and return;
3525
3526 # always fsync - this file is important
3527 aio_fsync $fh
3528 and return;
3529
3530 close $fh
3531 or return;
3532
3533 aio_rename "$uuid~", $uuid
3534 and return;
3535
3536 warn "uuid file written ($value).\n";
3537
3538 1
3539
3540}
3541
3542sub write_uuid($$) {
3543 my ($skip, $sync) = @_;
3544
3545 $sync ? write_uuid_sync $skip
3546 : async { write_uuid_sync $skip };
2652} 3547}
2653 3548
2654sub emergency_save() { 3549sub emergency_save() {
2655 my $freeze_guard = cf::freeze_mainloop; 3550 my $freeze_guard = cf::freeze_mainloop;
2656 3551
2662 # and maps saved/destroyed asynchronously. 3557 # and maps saved/destroyed asynchronously.
2663 warn "begin emergency player save\n"; 3558 warn "begin emergency player save\n";
2664 for my $login (keys %cf::PLAYER) { 3559 for my $login (keys %cf::PLAYER) {
2665 my $pl = $cf::PLAYER{$login} or next; 3560 my $pl = $cf::PLAYER{$login} or next;
2666 $pl->valid or next; 3561 $pl->valid or next;
3562 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667 $pl->save; 3563 $pl->save;
2668 } 3564 }
2669 warn "end emergency player save\n"; 3565 warn "end emergency player save\n";
2670 3566
2671 warn "begin emergency map save\n"; 3567 warn "begin emergency map save\n";
2677 warn "end emergency map save\n"; 3573 warn "end emergency map save\n";
2678 3574
2679 warn "begin emergency database checkpoint\n"; 3575 warn "begin emergency database checkpoint\n";
2680 BDB::db_env_txn_checkpoint $DB_ENV; 3576 BDB::db_env_txn_checkpoint $DB_ENV;
2681 warn "end emergency database checkpoint\n"; 3577 warn "end emergency database checkpoint\n";
3578
3579 warn "begin write uuid\n";
3580 write_uuid_sync 1;
3581 warn "end write uuid\n";
2682 }; 3582 };
2683 3583
2684 warn "leave emergency perl save\n"; 3584 warn "leave emergency perl save\n";
2685} 3585}
2686 3586
2688 my ($make_core) = @_; 3588 my ($make_core) = @_;
2689 3589
2690 warn Carp::longmess "post_cleanup backtrace" 3590 warn Carp::longmess "post_cleanup backtrace"
2691 if $make_core; 3591 if $make_core;
2692} 3592}
3593
3594# a safer delete_package, copied from Symbol
3595sub clear_package($) {
3596 my $pkg = shift;
3597
3598 # expand to full symbol table name if needed
3599 unless ($pkg =~ /^main::.*::$/) {
3600 $pkg = "main$pkg" if $pkg =~ /^::/;
3601 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3602 $pkg .= '::' unless $pkg =~ /::$/;
3603 }
3604
3605 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3606 my $stem_symtab = *{$stem}{HASH};
3607
3608 defined $stem_symtab and exists $stem_symtab->{$leaf}
3609 or return;
3610
3611 # clear all symbols
3612 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613 for my $name (keys %$leaf_symtab) {
3614 _gv_clear *{"$pkg$name"};
3615# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616 }
3617 warn "cleared package #$pkg\n";#d#
3618}
3619
3620our $RELOAD; # how many times to reload
2693 3621
2694sub do_reload_perl() { 3622sub do_reload_perl() {
2695 # can/must only be called in main 3623 # can/must only be called in main
2696 if ($Coro::current != $Coro::main) { 3624 if ($Coro::current != $Coro::main) {
2697 warn "can only reload from main coroutine"; 3625 warn "can only reload from main coroutine";
2698 return; 3626 return;
2699 } 3627 }
2700 3628
3629 return if $RELOAD++;
3630
3631 while ($RELOAD) {
2701 warn "reloading..."; 3632 warn "reloading...";
2702 3633
2703 warn "entering sync_job"; 3634 warn "entering sync_job";
2704 3635
2705 cf::sync_job { 3636 cf::sync_job {
2706 cf::write_runtime; # external watchdog should not bark 3637 cf::write_runtime_sync; # external watchdog should not bark
2707 cf::emergency_save; 3638 cf::emergency_save;
2708 cf::write_runtime; # external watchdog should not bark 3639 cf::write_runtime_sync; # external watchdog should not bark
2709 3640
2710 warn "syncing database to disk"; 3641 warn "syncing database to disk";
2711 BDB::db_env_txn_checkpoint $DB_ENV; 3642 BDB::db_env_txn_checkpoint $DB_ENV;
2712 3643
2713 # if anything goes wrong in here, we should simply crash as we already saved 3644 # if anything goes wrong in here, we should simply crash as we already saved
2714 3645
2715 warn "cancelling all WF_AUTOCANCEL watchers";
2716 for (Event::all_watchers) {
2717 $_->cancel if $_->data & WF_AUTOCANCEL;
2718 }
2719
2720 warn "flushing outstanding aio requests"; 3646 warn "flushing outstanding aio requests";
2721 for (;;) {
2722 BDB::flush;
2723 IO::AIO::flush;
2724 Coro::cede;
2725 last unless IO::AIO::nreqs || BDB::nreqs; 3647 while (IO::AIO::nreqs || BDB::nreqs) {
2726 warn "iterate..."; 3648 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2727 }
2728
2729 ++$RELOAD;
2730
2731 warn "cancelling all extension coros";
2732 $_->cancel for values %EXT_CORO;
2733 %EXT_CORO = ();
2734
2735 warn "removing commands";
2736 %COMMAND = ();
2737
2738 warn "removing ext commands";
2739 %EXTCMD = ();
2740
2741 warn "unloading/nuking all extensions";
2742 for my $pkg (@EXTS) {
2743 warn "... unloading $pkg";
2744
2745 if (my $cb = $pkg->can ("unload")) {
2746 eval {
2747 $cb->($pkg);
2748 1
2749 } or warn "$pkg unloaded, but with errors: $@";
2750 } 3649 }
2751 3650
2752 warn "... nuking $pkg"; 3651 warn "cancelling all extension coros";
2753 Symbol::delete_package $pkg; 3652 $_->cancel for values %EXT_CORO;
2754 } 3653 %EXT_CORO = ();
2755 3654
2756 warn "unloading all perl modules loaded from $LIBDIR"; 3655 warn "removing commands";
2757 while (my ($k, $v) = each %INC) { 3656 %COMMAND = ();
2758 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759 3657
3658 warn "removing ext/exti commands";
3659 %EXTCMD = ();
3660 %EXTICMD = ();
3661
3662 warn "unloading/nuking all extensions";
3663 for my $pkg (@EXTS) {
2760 warn "... unloading $k"; 3664 warn "... unloading $pkg";
2761 delete $INC{$k};
2762 3665
2763 $k =~ s/\.pm$//;
2764 $k =~ s/\//::/g;
2765
2766 if (my $cb = $k->can ("unload_module")) { 3666 if (my $cb = $pkg->can ("unload")) {
3667 eval {
2767 $cb->(); 3668 $cb->($pkg);
3669 1
3670 } or warn "$pkg unloaded, but with errors: $@";
3671 }
3672
3673 warn "... clearing $pkg";
3674 clear_package $pkg;
2768 } 3675 }
2769 3676
2770 Symbol::delete_package $k; 3677 warn "unloading all perl modules loaded from $LIBDIR";
3678 while (my ($k, $v) = each %INC) {
3679 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3680
3681 warn "... unloading $k";
3682 delete $INC{$k};
3683
3684 $k =~ s/\.pm$//;
3685 $k =~ s/\//::/g;
3686
3687 if (my $cb = $k->can ("unload_module")) {
3688 $cb->();
3689 }
3690
3691 clear_package $k;
2771 } 3692 }
2772 3693
2773 warn "getting rid of safe::, as good as possible"; 3694 warn "getting rid of safe::, as good as possible";
2774 Symbol::delete_package "safe::$_" 3695 clear_package "safe::$_"
2775 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3696 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776 3697
2777 warn "unloading cf.pm \"a bit\""; 3698 warn "unloading cf.pm \"a bit\"";
2778 delete $INC{"cf.pm"}; 3699 delete $INC{"cf.pm"};
2779 delete $INC{"cf/pod.pm"}; 3700 delete $INC{"cf/pod.pm"};
2780 3701
2781 # don't, removes xs symbols, too, 3702 # don't, removes xs symbols, too,
2782 # and global variables created in xs 3703 # and global variables created in xs
2783 #Symbol::delete_package __PACKAGE__; 3704 #clear_package __PACKAGE__;
2784 3705
2785 warn "unload completed, starting to reload now"; 3706 warn "unload completed, starting to reload now";
2786 3707
2787 warn "reloading cf.pm"; 3708 warn "reloading cf.pm";
2788 require cf; 3709 require cf;
2789 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3710 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790 3711
2791 warn "loading config and database again"; 3712 warn "loading config and database again";
2792 cf::cfg_load; 3713 cf::reload_config;
2793 3714
2794 warn "loading extensions"; 3715 warn "loading extensions";
2795 cf::load_extensions; 3716 cf::load_extensions;
2796 3717
2797 warn "reattaching attachments to objects/players"; 3718 warn "reattaching attachments to objects/players";
2798 _global_reattach; # objects, sockets 3719 _global_reattach; # objects, sockets
2799 warn "reattaching attachments to maps"; 3720 warn "reattaching attachments to maps";
2800 reattach $_ for values %MAP; 3721 reattach $_ for values %MAP;
2801 warn "reattaching attachments to players"; 3722 warn "reattaching attachments to players";
2802 reattach $_ for values %PLAYER; 3723 reattach $_ for values %PLAYER;
2803 3724
2804 warn "leaving sync_job"; 3725 warn "leaving sync_job";
2805 3726
2806 1 3727 1
2807 } or do { 3728 } or do {
2808 warn $@; 3729 warn $@;
2809 warn "error while reloading, exiting."; 3730 cf::cleanup "error while reloading, exiting.";
2810 exit 1;
2811 }; 3731 };
2812 3732
2813 warn "reloaded"; 3733 warn "reloaded";
3734 --$RELOAD;
3735 }
2814}; 3736};
2815 3737
2816our $RELOAD_WATCHER; # used only during reload 3738our $RELOAD_WATCHER; # used only during reload
2817 3739
2818sub reload_perl() { 3740sub reload_perl() {
2819 # doing reload synchronously and two reloads happen back-to-back, 3741 # doing reload synchronously and two reloads happen back-to-back,
2820 # coro crashes during coro_state_free->destroy here. 3742 # coro crashes during coro_state_free->destroy here.
2821 3743
2822 $RELOAD_WATCHER ||= Event->timer ( 3744 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2823 reentrant => 0,
2824 after => 0,
2825 data => WF_AUTOCANCEL,
2826 cb => sub {
2827 do_reload_perl; 3745 do_reload_perl;
2828 undef $RELOAD_WATCHER; 3746 undef $RELOAD_WATCHER;
2829 },
2830 ); 3747 };
2831} 3748}
2832 3749
2833register_command "reload" => sub { 3750register_command "reload" => sub {
2834 my ($who, $arg) = @_; 3751 my ($who, $arg) = @_;
2835 3752
2836 if ($who->flag (FLAG_WIZ)) { 3753 if ($who->flag (FLAG_WIZ)) {
2837 $who->message ("reloading server."); 3754 $who->message ("reloading server.");
3755 async {
3756 $Coro::current->{desc} = "perl_reload";
2838 async { reload_perl }; 3757 reload_perl;
3758 };
2839 } 3759 }
2840}; 3760};
2841 3761
2842unshift @INC, $LIBDIR; 3762unshift @INC, $LIBDIR;
2843 3763
2845 3765
2846our @WAIT_FOR_TICK; 3766our @WAIT_FOR_TICK;
2847our @WAIT_FOR_TICK_BEGIN; 3767our @WAIT_FOR_TICK_BEGIN;
2848 3768
2849sub wait_for_tick { 3769sub wait_for_tick {
2850 return unless $TICK_WATCHER->is_active;
2851 return if $Coro::current == $Coro::main; 3770 return if tick_inhibit || $Coro::current == $Coro::main;
2852 3771
2853 my $signal = new Coro::Signal; 3772 my $signal = new Coro::Signal;
2854 push @WAIT_FOR_TICK, $signal; 3773 push @WAIT_FOR_TICK, $signal;
2855 $signal->wait; 3774 $signal->wait;
2856} 3775}
2857 3776
2858sub wait_for_tick_begin { 3777sub wait_for_tick_begin {
2859 return unless $TICK_WATCHER->is_active;
2860 return if $Coro::current == $Coro::main; 3778 return if tick_inhibit || $Coro::current == $Coro::main;
2861 3779
2862 my $signal = new Coro::Signal; 3780 my $signal = new Coro::Signal;
2863 push @WAIT_FOR_TICK_BEGIN, $signal; 3781 push @WAIT_FOR_TICK_BEGIN, $signal;
2864 $signal->wait; 3782 $signal->wait;
2865} 3783}
2866 3784
2867 my $min = 1e6;#d# 3785sub tick {
2868 my $avg = 10;
2869$TICK_WATCHER = Event->timer (
2870 reentrant => 0,
2871 parked => 1,
2872 prio => 0,
2873 at => $NEXT_TICK || $TICK,
2874 data => WF_AUTOCANCEL,
2875 cb => sub {
2876 if ($Coro::current != $Coro::main) { 3786 if ($Coro::current != $Coro::main) {
2877 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3787 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878 unless ++$bug_warning > 10; 3788 unless ++$bug_warning > 10;
2879 return; 3789 return;
2880 } 3790 }
2881 3791
2882 $NOW = $tick_start = Event::time;
2883
2884 cf::server_tick; # one server iteration 3792 cf::server_tick; # one server iteration
2885 3793
2886 0 && sync_job {#d# 3794 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887 for(1..10) { 3795 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888 my $t = Event::time; 3796 Coro::async_pool {
2889 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3797 $Coro::current->{desc} = "runtime saver";
2890 or die; 3798 write_runtime_sync
2891 3799 or warn "ERROR: unable to write runtime file: $!";
2892 $map->width (50);
2893 $map->height (50);
2894 $map->alloc;
2895 $map->_load_objects ("/tmp/x.map", 1);
2896 my $t = Event::time - $t;
2897
2898 #next unless $t < 0.0013;#d#
2899 if ($t < $min) {
2900 $min = $t;
2901 }
2902 $avg = $avg * 0.99 + $t * 0.01;
2903 }
2904 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905 exit 0;
2906 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907 }; 3800 };
3801 }
2908 3802
2909 $RUNTIME += $TICK;
2910 $NEXT_TICK += $TICK;
2911
2912 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913 $NEXT_RUNTIME_WRITE = $NOW + 10;
2914 Coro::async_pool {
2915 write_runtime
2916 or warn "ERROR: unable to write runtime file: $!";
2917 };
2918 }
2919
2920# my $AFTER = Event::time;
2921# warn $AFTER - $NOW;#d#
2922
2923 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3803 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924 $sig->send; 3804 $sig->send;
2925 } 3805 }
2926 while (my $sig = shift @WAIT_FOR_TICK) { 3806 while (my $sig = shift @WAIT_FOR_TICK) {
2927 $sig->send; 3807 $sig->send;
2928 } 3808 }
2929 3809
2930 $NOW = Event::time; 3810 $LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932 # if we are delayed by four ticks or more, skip them all
2933 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935 $TICK_WATCHER->at ($NEXT_TICK);
2936 $TICK_WATCHER->start;
2937
2938 $LOAD = ($NOW - $tick_start) / $TICK;
2939 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3811 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940 3812
2941 _post_tick; 3813 if (0) {
2942 3814 if ($NEXT_TICK) {
2943 3815 my $jitter = $TICK_START - $NEXT_TICK;
3816 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3817 warn "jitter $JITTER\n";#d#
3818 }
2944 }, 3819 }
2945); 3820}
2946 3821
2947{ 3822{
2948 BDB::max_poll_time $TICK * 0.1; 3823 # configure BDB
2949 $BDB_POLL_WATCHER = Event->io ( 3824
2950 reentrant => 0,
2951 fd => BDB::poll_fileno,
2952 poll => 'r',
2953 prio => 0,
2954 data => WF_AUTOCANCEL,
2955 cb => \&BDB::poll_cb,
2956 );
2957 BDB::min_parallel 8; 3825 BDB::min_parallel 8;
2958 3826 BDB::max_poll_reqs $TICK * 0.1;
2959 BDB::set_sync_prepare { 3827 $AnyEvent::BDB::WATCHER->priority (1);
2960 my $status;
2961 my $current = $Coro::current;
2962 (
2963 sub {
2964 $status = $!;
2965 $current->ready; undef $current;
2966 },
2967 sub {
2968 Coro::schedule while defined $current;
2969 $! = $status;
2970 },
2971 )
2972 };
2973 3828
2974 unless ($DB_ENV) { 3829 unless ($DB_ENV) {
2975 $DB_ENV = BDB::db_env_create; 3830 $DB_ENV = BDB::db_env_create;
3831 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3832 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3833 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3834 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3835 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976 3836
2977 cf::sync_job { 3837 cf::sync_job {
2978 eval { 3838 eval {
2979 BDB::db_env_open 3839 BDB::db_env_open
2980 $DB_ENV, 3840 $DB_ENV,
2982 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3842 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3843 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984 0666; 3844 0666;
2985 3845
2986 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3846 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989 $DB_ENV->set_lk_detect;
2990 }; 3847 };
2991 3848
2992 cf::cleanup "db_env_open(db): $@" if $@; 3849 cf::cleanup "db_env_open(db): $@" if $@;
2993 }; 3850 };
2994 } 3851 }
3852
3853 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3854 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3855 };
3856 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3857 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3858 };
3859 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3860 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3861 };
2995} 3862}
2996 3863
2997{ 3864{
3865 # configure IO::AIO
3866
2998 IO::AIO::min_parallel 8; 3867 IO::AIO::min_parallel 8;
2999
3000 undef $Coro::AIO::WATCHER;
3001 IO::AIO::max_poll_time $TICK * 0.1; 3868 IO::AIO::max_poll_time $TICK * 0.1;
3002 $AIO_POLL_WATCHER = Event->io ( 3869 undef $AnyEvent::AIO::WATCHER;
3003 reentrant => 0,
3004 data => WF_AUTOCANCEL,
3005 fd => IO::AIO::poll_fileno,
3006 poll => 'r',
3007 prio => 6,
3008 cb => \&IO::AIO::poll_cb,
3009 );
3010} 3870}
3011 3871
3012my $_log_backtrace; 3872my $_log_backtrace;
3013 3873
3014sub _log_backtrace { 3874sub _log_backtrace {
3018 3878
3019 # limit the # of concurrent backtraces 3879 # limit the # of concurrent backtraces
3020 if ($_log_backtrace < 2) { 3880 if ($_log_backtrace < 2) {
3021 ++$_log_backtrace; 3881 ++$_log_backtrace;
3022 async { 3882 async {
3883 $Coro::current->{desc} = "abt $msg";
3884
3023 my @bt = fork_call { 3885 my @bt = fork_call {
3024 @addr = map { sprintf "%x", $_ } @addr; 3886 @addr = map { sprintf "%x", $_ } @addr;
3025 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3887 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3888 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027 or die "addr2line: $!"; 3889 or die "addr2line: $!";

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