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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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
121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
94 126
95binmode STDOUT; 127binmode STDOUT;
96binmode STDERR; 128binmode STDERR;
97 129
98# read virtual server time, if available 130# read virtual server time, if available
139 171
140=item $cf::TICK 172=item $cf::TICK
141 173
142The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
143 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
144=item %cf::CFG 186=item %cf::CFG
145 187
146Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 189from wherever your confdir points to.
148 190
149=item cf::wait_for_tick, cf::wait_for_tick_begin 191=item cf::wait_for_tick, cf::wait_for_tick_begin
150 192
151These 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
152returns 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
153per 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.
154 196
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
155=back 203=back
156 204
157=cut 205=cut
158 206
159BEGIN { 207BEGIN {
163 $msg .= "\n" 211 $msg .= "\n"
164 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
165 213
166 $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;
167 215
168 utf8::encode $msg;
169 LOG llevError, $msg; 216 LOG llevError, $msg;
170 }; 217 };
171} 218}
219
220$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#?
172 234
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 242
180# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 244# within the Safe compartment.
182for my $pkg (qw( 245for my $pkg (qw(
183 cf::global cf::attachable 246 cf::global cf::attachable
184 cf::object cf::object::player 247 cf::object cf::object::player
185 cf::client cf::player 248 cf::client cf::player
186 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
187 cf::map cf::party cf::region 251 cf::party cf::region
188)) { 252)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 254}
192 255
193$Event::DIED = sub { 256$EV::DIED = sub {
194 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
195}; 258};
259
260#############################################################################
196 261
197=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
198 263
199=over 4 264=over 4
200 265
219 $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;
220 $d 285 $d
221 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
222} 287}
223 288
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
227 290
228Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
229 292
230=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
231 294
232Converts 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]) }
233 303
234=item cf::lock_wait $string 304=item cf::lock_wait $string
235 305
236Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
237 307
240Wait 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
241a 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,
242for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
243returned. 313returned.
244 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
245Lock 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
246uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
247 320
248=item $locked = cf::lock_active $string 321=item $locked = cf::lock_active $string
249 322
250Return true if the lock is currently active, i.e. somebody has locked it. 323Return true if the lock is currently active, i.e. somebody has locked it.
251 324
252=cut 325=cut
253 326
254our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
255 329
256sub lock_wait($) { 330sub lock_wait($) {
257 my ($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#
258 337
259 # wait for lock, if any 338 # wait for lock, if any
260 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 341 Coro::schedule;
268 347
269 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
270 lock_wait $key; 349 lock_wait $key;
271 350
272 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
273 353
274 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
277 } 358 }
278} 359}
279 360
282 363
283 ! ! $LOCK{$key} 364 ! ! $LOCK{$key}
284} 365}
285 366
286sub freeze_mainloop { 367sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
288 369
289 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
290 $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($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
291 }; 431 }
292 $TICK_WATCHER->stop; 432};
293 $guard 433
434sub get_slot($;$$) {
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 $sig->wait;
294} 446}
295 447
296=item cf::async { BLOCK } 448=item cf::async { BLOCK }
297 449
298Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
303 455
304BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
305 457
306=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
307 459
308The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
311 464
312If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
315fast or be very important. 468fast or be very important.
318 471
319sub sync_job(&) { 472sub sync_job(&) {
320 my ($job) = @_; 473 my ($job) = @_;
321 474
322 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
323 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
325 480
326 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 482
328 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
329 484
330 my $busy = 1; 485 my $busy = 1;
331 my @res; 486 my @res;
332 487
333 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 490 @res = eval { $job->() };
335 warn $@ if $@; 491 warn $@ if $@;
336 undef $busy; 492 undef $busy;
337 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
338 494
339 while ($busy) { 495 while ($busy) {
340 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
341 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
342 506
343 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
344 } else { 508 } else {
345 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
346 510
366 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
367 531
368 $coro 532 $coro
369} 533}
370 534
371sub write_runtime { 535=item fork_call { }, $args
372 my $runtime = "$LOCALDIR/runtime";
373 536
374 # first touch the runtime file to show we are still running: 537Executes the given code block with the given arguments in a seperate
375 # 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.
376 541
377 warn "touching runtime...\n";#d# 542=cut
378 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 543
379 utime undef, undef, $fh; 544sub fork_call(&@) {
545 my ($cb, @args) = @_;
546
547 # we seemingly have to make a local copy of the whole thing,
548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
550
551 my @res = Coro::Util::fork_eval {
552 reset_signals;
553 &$cb
554 }, @args;
555
556 wantarray ? @res : $res[-1]
557}
558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
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 $!;
380 } 613 };
614 cf::cleanup "db_open(db): $@" if $@;
381 615
382 my $guard = cf::lock_acquire "write_runtime"; 616 $db
617}
383 618
384 warn "starting to write runtime...\n";#d# 619our $DB;
385 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386 or return;
387 620
388 my $value = $cf::RUNTIME + 90 + 10; 621sub db_init {
389 # 10 is the runtime save interval, for a monotonic clock 622 cf::sync_job {
390 # 60 allows for the watchdog to kill the server. 623 $DB ||= db_table "db";
624 };
625}
391 626
392 (aio_write $fh, 0, (length $value), $value, 0) <= 0 627sub db_get($$) {
393 and return; 628 my $key = "$_[0]/$_[1]";
394 629
395 # always fsync - this file is important 630 cf::sync_job {
396 aio_fsync $fh 631 BDB::db_get $DB, undef, $key, my $data;
397 and return;
398 632
399 # touch it again to show we are up-to-date 633 $! ? ()
400 utime undef, undef, $fh; 634 : $data
401
402 close $fh
403 or return;
404
405 aio_rename "$runtime~", $runtime
406 and return;
407
408 warn "... done writing runtime.\n";#d#
409
410 1 635 }
636}
637
638sub db_put($$$) {
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"
411} 711}
412 712
413=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
414 714
415Log 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.
433attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
434to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
435 735
436In 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>
437C<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
438crossfire+). 738Deliantra).
439 739
440=over 4 740=over 4
441 741
442=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
443 743
606 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
607 907
608 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
609 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
610 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
611 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612 912
613 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
614 my $pkg = shift @arg; 914 my $pkg = shift @arg;
615 915
616 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
645 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
646 } 946 }
647 947
648 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
649 } else { 949 } else {
650 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
651 } 951 }
652 952
653 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
654} 954}
655 955
657 if (ref $_[0]) { 957 if (ref $_[0]) {
658 _object_attach @_; 958 _object_attach @_;
659 } else { 959 } else {
660 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
661 } 961 }
962 _recalc_want;
662}; 963};
663 964
664# all those should be optimised 965# all those should be optimised
665sub cf::attachable::detach { 966sub cf::attachable::detach {
666 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
669 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
670 reattach ($obj); 971 reattach ($obj);
671 } else { 972 } else {
672 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
673 } 974 }
975 _recalc_want;
674}; 976};
675 977
676sub cf::attachable::attached { 978sub cf::attachable::attached {
677 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
678 980
693 "; 995 ";
694 die if $@; 996 die if $@;
695} 997}
696 998
697our $override; 999our $override;
698our @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?
699 1001
700sub override { 1002sub override {
701 $override = 1; 1003 $override = 1;
702 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
703} 1005}
704 1006
705sub do_invoke { 1007sub do_invoke {
706 my $event = shift; 1008 my $event = shift;
707 my $callbacks = shift; 1009 my $callbacks = shift;
708 1010
709 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
710 1012
711 local $override; 1013 local $override;
712 1014
713 for (@$callbacks) { 1015 for (@$callbacks) {
714 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
723 } 1025 }
724 1026
725 0 1027 0
726} 1028}
727 1029
728=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729 1031
730=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731 1033
732Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
733 1035
734This 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
735removed 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
736results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737 1039
738=back 1040=back
739 1041
740=cut 1042=cut
741 1043
742############################################################################# 1044#############################################################################
743# 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, $ob2
1087}
744 1088
745sub reattach { 1089sub reattach {
746 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
747 my ($obj) = @_; 1091 my ($obj) = @_;
748 1092
1093 # no longer needed after getting rid of delete_package?
749 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
750 1095
751 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
752 1097
753 @$registry = (); 1098 @$registry = ();
754 1099
769cf::attachable->attach ( 1114cf::attachable->attach (
770 prio => -1000000, 1115 prio => -1000000,
771 on_instantiate => sub { 1116 on_instantiate => sub {
772 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
773 1118
774 $data = from_json $data; 1119 $data = decode_json $data;
775 1120
776 for (@$data) { 1121 for (@$data) {
777 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
778 1123
779 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
795sub object_freezer_save { 1140sub object_freezer_save {
796 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
797 1142
798 sync_job { 1143 sync_job {
799 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
800 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
801 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
802 1148
803 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
805 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
807 close $fh; 1153 aio_close $fh;
808 1154
809 if (@$objs) { 1155 if (@$objs) {
810 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) {
811 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
812 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
814 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
815 close $fh; 1161 aio_close $fh;
816 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
817 } 1163 }
818 } else { 1164 } else {
819 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
820 } 1166 }
825 } 1171 }
826 } else { 1172 } else {
827 aio_unlink $filename; 1173 aio_unlink $filename;
828 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
829 } 1175 }
830 } 1176 };
831} 1177}
832 1178
833sub object_freezer_as_string { 1179sub object_freezer_as_string {
834 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
835 1181
847 or return; 1193 or return;
848 1194
849 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
850 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
851 or return; 1197 or return;
1198
852 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
853 } 1201 }
854 1202
1203 utf8::decode (my $decname = $filename);
855 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
856 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
857 return ($data, $av); 1207 ($data, $av)
858} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
859 1215
860############################################################################# 1216#############################################################################
861# command handling &c 1217# command handling &c
862 1218
863=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
876 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
877} 1233}
878 1234
879=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
880 1236
881Register 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.
882 1242
883If 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
884called. 1244called.
885 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
886=cut 1257=cut
887 1258
888sub register_extcmd { 1259sub register_extcmd {
889 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
890 1261
891 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
892} 1269}
893 1270
894cf::player->attach ( 1271cf::player->attach (
895 on_command => sub { 1272 on_command => sub {
896 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
905 cf::override; 1282 cf::override;
906 }, 1283 },
907 on_extcmd => sub { 1284 on_extcmd => sub {
908 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
909 1286
910 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911 1288
912 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
913 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
914 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
915 $pl->ext_reply ($msg->{msgid}, %reply);
916 }
917 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
918 } else { 1304 } else {
919 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920 } 1306 }
921 1307
922 cf::override; 1308 cf::override;
923 }, 1309 },
924); 1310);
925 1311
926sub load_extension {
927 my ($path) = @_;
928
929 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
930 my $base = $1;
931 my $pkg = $1;
932 $pkg =~ s/[^[:word:]]/_/g;
933 $pkg = "ext::$pkg";
934
935 warn "... loading '$path' into '$pkg'\n";
936
937 open my $fh, "<:utf8", $path
938 or die "$path: $!";
939
940 my $source =
941 "package $pkg; use strict; use utf8;\n"
942 . "#line 1 \"$path\"\n{\n"
943 . (do { local $/; <$fh> })
944 . "\n};\n1";
945
946 unless (eval $source) {
947 my $msg = $@ ? "$path: $@\n"
948 : "extension disabled.\n";
949 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950 warn $@;
951 warn "mandatory extension failed to load, exiting.\n";
952 exit 1;
953 }
954 die $@;
955 }
956
957 push @EXTS, $pkg;
958}
959
960sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
961 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
962 next unless -r $ext; 1317 next unless -r $path;
963 eval { 1318
964 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 $progress = 1;
965 1 1375 }
966 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
967 } 1381 };
968} 1382}
969 1383
970############################################################################# 1384#############################################################################
971 1385
1386=back
1387
972=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
973 1389
974Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
975 1391
976=cut 1392=cut
980use Coro::AIO; 1396use Coro::AIO;
981 1397
982=head3 cf::player 1398=head3 cf::player
983 1399
984=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}
985 1415
986=item cf::player::find $login 1416=item cf::player::find $login
987 1417
988Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
989 1419
1025 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028 aio_unlink +(playerdir $login) . "/$login.pl"; 1458 aio_unlink +(playerdir $login) . "/$login.pl";
1029 1459
1030 my $pl = load_pl path $login 1460 my $f = new_from_file cf::object::thawer path $login
1031 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;
1032 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1033 } 1469 }
1034 } 1470 }
1035} 1471}
1036 1472
1045 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1046 1482
1047 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1048 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1049 1485
1486 cf::get_slot 0.01;
1487
1050 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1051 Coro::cede; 1489 cf::cede_to_tick;
1052} 1490}
1053 1491
1054sub new($) { 1492sub new($) {
1055 my ($login) = @_; 1493 my ($login) = @_;
1056 1494
1062 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1063 1501
1064 $self 1502 $self
1065} 1503}
1066 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
1067=item $pl->quit_character 1515=item $pl->quit_character
1068 1516
1069Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1070be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1071 1519
1075 my ($pl) = @_; 1523 my ($pl) = @_;
1076 1524
1077 my $name = $pl->ob->name; 1525 my $name = $pl->ob->name;
1078 1526
1079 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1080 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1081 1529
1082 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1084 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1085 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1086 1536
1087 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1088 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1124 or return []; 1574 or return [];
1125 1575
1126 my @logins; 1576 my @logins;
1127 1577
1128 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") {
1129 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1131 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1132 1588
1133 utf8::decode $login; 1589 utf8::decode $login;
1134 push @logins, $login; 1590 push @logins, $login;
1135 } 1591 }
1136 1592
1163 } 1619 }
1164 1620
1165 \@paths 1621 \@paths
1166} 1622}
1167 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1168=item $player->ext_reply ($msgid, %msg) 1628=item $player->ext_reply ($msgid, @msg)
1169 1629
1170Sends an ext reply to the player. 1630Sends an ext reply to the player.
1171 1631
1172=cut 1632=cut
1173 1633
1174sub ext_reply($$%) { 1634sub ext_reply($$@) {
1175 my ($self, $id, %msg) = @_; 1635 my ($self, $id, @msg) = @_;
1176 1636
1177 $msg{msgid} = $id; 1637 $self->ns->ext_reply ($id, @msg)
1178
1179 $self->send ("ext " . cf::to_json \%msg);
1180} 1638}
1181 1639
1182=item $player->ext_event ($type, %msg) 1640=item $player->ext_msg ($type, @msg)
1183 1641
1184Sends an ext event to the client. 1642Sends an ext event to the client.
1185 1643
1186=cut 1644=cut
1187 1645
1188sub ext_event($$%) { 1646sub ext_msg($$@) {
1189 my ($self, $type, %msg) = @_; 1647 my ($self, $type, @msg) = @_;
1190 1648
1191 $self->ns->ext_event ($type, %msg); 1649 $self->ns->ext_msg ($type, @msg);
1192} 1650}
1193 1651
1194=head3 cf::region 1652=head3 cf::region
1195 1653
1196=over 4 1654=over 4
1199 1657
1200package cf::region; 1658package cf::region;
1201 1659
1202=item cf::region::find_by_path $path 1660=item cf::region::find_by_path $path
1203 1661
1204Tries to decuce the probable region for a map knowing only its path. 1662Tries to decuce the likely region for a map knowing only its path.
1205 1663
1206=cut 1664=cut
1207 1665
1208sub find_by_path($) { 1666sub find_by_path($) {
1209 my ($path) = @_; 1667 my ($path) = @_;
1210 1668
1211 my ($match, $specificity); 1669 my ($match, $specificity);
1212 1670
1213 for my $region (list) { 1671 for my $region (list) {
1214 if ($region->match && $path =~ $region->match) { 1672 if ($region->{match} && $path =~ $region->{match}) {
1215 ($match, $specificity) = ($region, $region->specificity) 1673 ($match, $specificity) = ($region, $region->specificity)
1216 if $region->specificity > $specificity; 1674 if $region->specificity > $specificity;
1217 } 1675 }
1218 } 1676 }
1219 1677
1240our $MAX_RESET = 3600; 1698our $MAX_RESET = 3600;
1241our $DEFAULT_RESET = 3000; 1699our $DEFAULT_RESET = 3000;
1242 1700
1243sub generate_random_map { 1701sub generate_random_map {
1244 my ($self, $rmp) = @_; 1702 my ($self, $rmp) = @_;
1703
1704 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1705
1245 # mit "rum" bekleckern, nicht 1706 # mit "rum" bekleckern, nicht
1246 $self->_create_random_map ( 1707 $self->_create_random_map (
1247 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1708 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1709 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1710 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1283 my ($self, $merge) = @_; 1744 my ($self, $merge) = @_;
1284 1745
1285 # we have to keep some variables in memory intact 1746 # we have to keep some variables in memory intact
1286 local $self->{path}; 1747 local $self->{path};
1287 local $self->{load_path}; 1748 local $self->{load_path};
1288 local $self->{deny_save};
1289 local $self->{deny_reset};
1290 1749
1291 $self->SUPER::thawer_merge ($merge); 1750 $self->SUPER::thawer_merge ($merge);
1292} 1751}
1293 1752
1294sub normalise { 1753sub normalise {
1341 $self->init; # pass $1 etc. 1800 $self->init; # pass $1 etc.
1342 return $self; 1801 return $self;
1343 } 1802 }
1344 } 1803 }
1345 1804
1346 Carp::carp "unable to resolve path '$path' (base '$base')."; 1805 Carp::cluck "unable to resolve path '$path' (base '$base').";
1347 () 1806 ()
1348} 1807}
1349 1808
1350sub init { 1809sub init {
1351 my ($self) = @_; 1810 my ($self) = @_;
1373 1832
1374# the temporary/swap location 1833# the temporary/swap location
1375sub save_path { 1834sub save_path {
1376 my ($self) = @_; 1835 my ($self) = @_;
1377 1836
1378 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1837 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379 "$TMPDIR/$path.map" 1838 "$TMPDIR/$path.map"
1380} 1839}
1381 1840
1382# the unique path, undef == no special unique path 1841# the unique path, undef == no special unique path
1383sub uniq_path { 1842sub uniq_path {
1384 my ($self) = @_; 1843 my ($self) = @_;
1385 1844
1386 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387 "$UNIQUEDIR/$path" 1846 "$UNIQUEDIR/$path"
1388} 1847}
1389 1848
1390# and all this just because we cannot iterate over 1849# and all this just because we cannot iterate over
1391# all maps in C++... 1850# all maps in C++...
1394 1853
1395 $_->change_map_light ($change) 1854 $_->change_map_light ($change)
1396 for grep $_->outdoor, values %cf::MAP; 1855 for grep $_->outdoor, values %cf::MAP;
1397} 1856}
1398 1857
1858sub decay_objects {
1859 my ($self) = @_;
1860
1861 return if $self->{deny_reset};
1862
1863 $self->do_decay_objects;
1864}
1865
1399sub unlink_save { 1866sub unlink_save {
1400 my ($self) = @_; 1867 my ($self) = @_;
1401 1868
1402 utf8::encode (my $save = $self->save_path); 1869 utf8::encode (my $save = $self->save_path);
1403 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1870 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1406 1873
1407sub load_header_from($) { 1874sub load_header_from($) {
1408 my ($self, $path) = @_; 1875 my ($self, $path) = @_;
1409 1876
1410 utf8::encode $path; 1877 utf8::encode $path;
1411 #aio_open $path, O_RDONLY, 0 1878 my $f = new_from_file cf::object::thawer $path
1412 # or return;
1413
1414 $self->_load_header ($path)
1415 or return; 1879 or return;
1880
1881 $self->_load_header ($f)
1882 or return;
1883
1884 local $MAP_LOADING{$self->{path}} = $self;
1885 $f->resolve_delayed_derefs;
1416 1886
1417 $self->{load_path} = $path; 1887 $self->{load_path} = $path;
1418 1888
1419 1 1889 1
1420} 1890}
1459 $self->load_header_orig 1929 $self->load_header_orig
1460 or return; 1930 or return;
1461 $self->prepare_orig; 1931 $self->prepare_orig;
1462 } 1932 }
1463 1933
1934 $self->{deny_reset} = 1
1935 if $self->no_reset;
1936
1464 $self->default_region (cf::region::find_by_path $self->{path}) 1937 $self->default_region (cf::region::find_by_path $self->{path})
1465 unless $self->default_region; 1938 unless $self->default_region;
1466 1939
1467 1 1940 1
1468} 1941}
1471sub find { 1944sub find {
1472 my ($path, $origin) = @_; 1945 my ($path, $origin) = @_;
1473 1946
1474 $path = normalise $path, $origin && $origin->path; 1947 $path = normalise $path, $origin && $origin->path;
1475 1948
1949 cf::lock_wait "map_data:$path";#d#remove
1476 cf::lock_wait "map_find:$path"; 1950 cf::lock_wait "map_find:$path";
1477 1951
1478 $cf::MAP{$path} || do { 1952 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479 my $guard = cf::lock_acquire "map_find:$path"; 1954 my $guard2 = cf::lock_acquire "map_find:$path";
1955
1480 my $map = new_from_path cf::map $path 1956 my $map = new_from_path cf::map $path
1481 or return; 1957 or return;
1482 1958
1483 $map->{last_save} = $cf::RUNTIME; 1959 $map->{last_save} = $cf::RUNTIME;
1484 1960
1485 $map->load_header 1961 $map->load_header
1486 or return; 1962 or return;
1487 1963
1488 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1964 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489 # doing this can freeze the server in a sync job, obviously 1965 # doing this can freeze the server in a sync job, obviously
1490 #$cf::WAIT_FOR_TICK->wait; 1966 #$cf::WAIT_FOR_TICK->wait;
1967 undef $guard2;
1968 undef $guard1;
1491 $map->reset; 1969 $map->reset;
1492 undef $guard;
1493 return find $path; 1970 return find $path;
1494 } 1971 }
1495 1972
1496 $cf::MAP{$path} = $map 1973 $cf::MAP{$path} = $map
1497 } 1974 }
1506 local $self->{deny_reset} = 1; # loading can take a long time 1983 local $self->{deny_reset} = 1; # loading can take a long time
1507 1984
1508 my $path = $self->{path}; 1985 my $path = $self->{path};
1509 1986
1510 { 1987 {
1511 my $guard = cf::lock_acquire "map_load:$path"; 1988 my $guard = cf::lock_acquire "map_data:$path";
1512 1989
1990 return unless $self->valid;
1513 return if $self->in_memory != cf::MAP_SWAPPED; 1991 return unless $self->in_memory == cf::MAP_SWAPPED;
1514 1992
1515 $self->in_memory (cf::MAP_LOADING); 1993 $self->in_memory (cf::MAP_LOADING);
1516 1994
1517 $self->alloc; 1995 $self->alloc;
1518 1996
1519 $self->pre_load; 1997 $self->pre_load;
1520 Coro::cede; 1998 cf::cede_to_tick;
1521 1999
2000 my $f = new_from_file cf::object::thawer $self->{load_path};
2001 $f->skip_block;
1522 $self->_load_objects ($self->{load_path}, 1) 2002 $self->_load_objects ($f)
1523 or return; 2003 or return;
1524 2004
1525 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2005 $self->post_load_original
1526 if delete $self->{load_original}; 2006 if delete $self->{load_original};
1527 2007
1528 if (my $uniq = $self->uniq_path) { 2008 if (my $uniq = $self->uniq_path) {
1529 utf8::encode $uniq; 2009 utf8::encode $uniq;
1530 if (aio_open $uniq, O_RDONLY, 0) { 2010 unless (aio_stat $uniq) {
2011 if (my $f = new_from_file cf::object::thawer $uniq) {
1531 $self->clear_unique_items; 2012 $self->clear_unique_items;
1532 $self->_load_objects ($uniq, 0); 2013 $self->_load_objects ($f);
2014 $f->resolve_delayed_derefs;
2015 }
1533 } 2016 }
1534 } 2017 }
1535 2018
1536 Coro::cede; 2019 $f->resolve_delayed_derefs;
2020
2021 cf::cede_to_tick;
1537 # now do the right thing for maps 2022 # now do the right thing for maps
1538 $self->link_multipart_objects; 2023 $self->link_multipart_objects;
1539 $self->difficulty ($self->estimate_difficulty) 2024 $self->difficulty ($self->estimate_difficulty)
1540 unless $self->difficulty; 2025 unless $self->difficulty;
1541 Coro::cede; 2026 cf::cede_to_tick;
1542 2027
1543 unless ($self->{deny_activate}) { 2028 unless ($self->{deny_activate}) {
1544 $self->decay_objects; 2029 $self->decay_objects;
1545 $self->fix_auto_apply; 2030 $self->fix_auto_apply;
1546 $self->update_buttons; 2031 $self->update_buttons;
1547 Coro::cede; 2032 cf::cede_to_tick;
1548 $self->set_darkness_map; 2033 $self->set_darkness_map;
1549 Coro::cede; 2034 cf::cede_to_tick;
1550 $self->activate; 2035 $self->activate;
1551 } 2036 }
1552 2037
2038 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME);
2040
1553 $self->in_memory (cf::MAP_IN_MEMORY); 2041 $self->in_memory (cf::MAP_ACTIVE);
1554 } 2042 }
1555 2043
1556 $self->post_load; 2044 $self->post_load;
1557} 2045}
1558 2046
1560 my ($self, $ob) = @_; 2048 my ($self, $ob) = @_;
1561 2049
1562 return find "~" . $ob->name . "/" . $self->{path} 2050 return find "~" . $ob->name . "/" . $self->{path}
1563 if $self->per_player; 2051 if $self->per_player;
1564 2052
2053# return find "?party/" . $ob->name . "/" . $self->{path}
2054# if $self->per_party;
2055
1565 $self 2056 $self
1566} 2057}
1567 2058
1568# find and load all maps in the 3x3 area around a map 2059# find and load all maps in the 3x3 area around a map
1569sub load_diag { 2060sub load_neighbours {
1570 my ($map) = @_; 2061 my ($map) = @_;
1571 2062
1572 my @diag; # diagonal neighbours 2063 my @neigh; # diagonal neighbours
1573 2064
1574 for (0 .. 3) { 2065 for (0 .. 3) {
1575 my $neigh = $map->tile_path ($_) 2066 my $neigh = $map->tile_path ($_)
1576 or next; 2067 or next;
1577 $neigh = find $neigh, $map 2068 $neigh = find $neigh, $map
1578 or next; 2069 or next;
1579 $neigh->load; 2070 $neigh->load;
1580 2071
2072 push @neigh,
1581 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2073 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2074 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1583 } 2075 }
1584 2076
1585 for (@diag) { 2077 for (grep defined $_->[0], @neigh) {
2078 my ($path, $origin) = @$_;
1586 my $neigh = find @$_ 2079 my $neigh = find $path, $origin
1587 or next; 2080 or next;
1588 $neigh->load; 2081 $neigh->load;
1589 } 2082 }
1590} 2083}
1591 2084
1596} 2089}
1597 2090
1598sub do_load_sync { 2091sub do_load_sync {
1599 my ($map) = @_; 2092 my ($map) = @_;
1600 2093
2094 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2095 if $Coro::current == $Coro::main;
2096
1601 cf::sync_job { $map->load }; 2097 cf::sync_job { $map->load };
1602} 2098}
1603 2099
1604our %MAP_PREFETCH; 2100our %MAP_PREFETCH;
1605our $MAP_PREFETCHER = undef; 2101our $MAP_PREFETCHER = undef;
1606 2102
1607sub find_async { 2103sub find_async {
1608 my ($path, $origin) = @_; 2104 my ($path, $origin, $load) = @_;
1609 2105
1610 $path = normalise $path, $origin && $origin->{path}; 2106 $path = normalise $path, $origin && $origin->{path};
1611 2107
1612 if (my $map = $cf::MAP{$path}) { 2108 if (my $map = $cf::MAP{$path}) {
1613 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2109 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614 } 2110 }
1615 2111
1616 undef $MAP_PREFETCH{$path}; 2112 $MAP_PREFETCH{$path} |= $load;
2113
1617 $MAP_PREFETCHER ||= cf::async { 2114 $MAP_PREFETCHER ||= cf::async {
2115 $Coro::current->{desc} = "map prefetcher";
2116
1618 while (%MAP_PREFETCH) { 2117 while (%MAP_PREFETCH) {
1619 for my $path (keys %MAP_PREFETCH) { 2118 while (my ($k, $v) = each %MAP_PREFETCH) {
1620 my $map = find $path 2119 if (my $map = find $k) {
1621 or next;
1622 $map->load; 2120 $map->load if $v;
2121 }
1623 2122
1624 delete $MAP_PREFETCH{$path}; 2123 delete $MAP_PREFETCH{$k};
1625 } 2124 }
1626 } 2125 }
1627 undef $MAP_PREFETCHER; 2126 undef $MAP_PREFETCHER;
1628 }; 2127 };
1629 $MAP_PREFETCHER->prio (6); 2128 $MAP_PREFETCHER->prio (6);
1632} 2131}
1633 2132
1634sub save { 2133sub save {
1635 my ($self) = @_; 2134 my ($self) = @_;
1636 2135
1637 my $lock = cf::lock_acquire "map_data:" . $self->path; 2136 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2137
1639 $self->{last_save} = $cf::RUNTIME; 2138 $self->{last_save} = $cf::RUNTIME;
1640 2139
1641 return unless $self->dirty; 2140 return unless $self->dirty;
1642 2141
1648 return if $self->{deny_save}; 2147 return if $self->{deny_save};
1649 2148
1650 local $self->{last_access} = $self->last_access;#d# 2149 local $self->{last_access} = $self->last_access;#d#
1651 2150
1652 cf::async { 2151 cf::async {
2152 $Coro::current->{desc} = "map player save";
1653 $_->contr->save for $self->players; 2153 $_->contr->save for $self->players;
1654 }; 2154 };
2155
2156 cf::get_slot 0.02;
1655 2157
1656 if ($uniq) { 2158 if ($uniq) {
1657 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2159 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2160 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1659 } else { 2161 } else {
1665 my ($self) = @_; 2167 my ($self) = @_;
1666 2168
1667 # save first because save cedes 2169 # save first because save cedes
1668 $self->save; 2170 $self->save;
1669 2171
1670 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1671 2173
1672 return if $self->players; 2174 return if $self->players;
1673 return if $self->in_memory != cf::MAP_IN_MEMORY; 2175 return if $self->in_memory != cf::MAP_ACTIVE;
1674 return if $self->{deny_save}; 2176 return if $self->{deny_save};
1675 2177
2178 $self->in_memory (cf::MAP_SWAPPED);
2179
2180 $self->deactivate;
2181 $_->clear_links_to ($self) for values %cf::MAP;
1676 $self->clear; 2182 $self->clear;
1677 $self->in_memory (cf::MAP_SWAPPED);
1678} 2183}
1679 2184
1680sub reset_at { 2185sub reset_at {
1681 my ($self) = @_; 2186 my ($self) = @_;
1682 2187
1683 # TODO: safety, remove and allow resettable per-player maps 2188 # TODO: safety, remove and allow resettable per-player maps
1684 return 1e99 if $self->isa ("ext::map_per_player");#d#
1685 return 1e99 if $self->{deny_reset}; 2189 return 1e99 if $self->{deny_reset};
1686 2190
1687 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2191 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2192 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689 2193
1700 my ($self) = @_; 2204 my ($self) = @_;
1701 2205
1702 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1703 2207
1704 return if $self->players; 2208 return if $self->players;
1705 return if $self->isa ("ext::map_per_player");#d#
1706 2209
1707 warn "resetting map ", $self->path;#d# 2210 warn "resetting map ", $self->path;
1708 2211
1709 $self->in_memory (cf::MAP_SWAPPED); 2212 $self->in_memory (cf::MAP_SWAPPED);
1710 2213
1711 # need to save uniques path 2214 # need to save uniques path
1712 unless ($self->{deny_save}) { 2215 unless ($self->{deny_save}) {
1716 if $uniq; 2219 if $uniq;
1717 } 2220 }
1718 2221
1719 delete $cf::MAP{$self->path}; 2222 delete $cf::MAP{$self->path};
1720 2223
2224 $self->deactivate;
2225 $_->clear_links_to ($self) for values %cf::MAP;
1721 $self->clear; 2226 $self->clear;
1722
1723 $_->clear_links_to ($self) for values %cf::MAP;
1724 2227
1725 $self->unlink_save; 2228 $self->unlink_save;
1726 $self->destroy; 2229 $self->destroy;
1727} 2230}
1728 2231
1729my $nuke_counter = "aaaa"; 2232my $nuke_counter = "aaaa";
1730 2233
1731sub nuke { 2234sub nuke {
1732 my ($self) = @_; 2235 my ($self) = @_;
1733 2236
2237 {
2238 my $lock = cf::lock_acquire "map_data:$self->{path}";
2239
1734 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1735 2241
1736 $self->unlink_save; 2242 $self->unlink_save;
1737 2243
1738 bless $self, "cf::map"; 2244 bless $self, "cf::map";
1739 delete $self->{deny_reset}; 2245 delete $self->{deny_reset};
1740 $self->{deny_save} = 1; 2246 $self->{deny_save} = 1;
1741 $self->reset_timeout (1); 2247 $self->reset_timeout (1);
1742 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2248 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743 2249
1744 $cf::MAP{$self->path} = $self; 2250 $cf::MAP{$self->path} = $self;
2251 }
1745 2252
1746 $self->reset; # polite request, might not happen 2253 $self->reset; # polite request, might not happen
2254}
2255
2256=item $maps = cf::map::tmp_maps
2257
2258Returns an arrayref with all map paths of currently instantiated and saved
2259maps. May block.
2260
2261=cut
2262
2263sub tmp_maps() {
2264 [
2265 map {
2266 utf8::decode $_;
2267 /\.map$/
2268 ? normalise $_
2269 : ()
2270 } @{ aio_readdir $TMPDIR or [] }
2271 ]
2272}
2273
2274=item $maps = cf::map::random_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277random maps. May block.
2278
2279=cut
2280
2281sub random_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise "?random/$_"
2287 : ()
2288 } @{ aio_readdir $RANDOMDIR or [] }
2289 ]
1747} 2290}
1748 2291
1749=item cf::map::unique_maps 2292=item cf::map::unique_maps
1750 2293
1751Returns an arrayref of paths of all shared maps that have 2294Returns an arrayref of paths of all shared maps that have
1752instantiated unique items. May block. 2295instantiated unique items. May block.
1753 2296
1754=cut 2297=cut
1755 2298
1756sub unique_maps() { 2299sub unique_maps() {
1757 my $files = aio_readdir $UNIQUEDIR 2300 [
1758 or return; 2301 map {
1759
1760 my @paths;
1761
1762 for (@$files) {
1763 utf8::decode $_; 2302 utf8::decode $_;
1764 next if /\.pst$/; 2303 s/\.map$//; # TODO future compatibility hack
1765 next unless /^$PATH_SEP/o; 2304 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766 2305 ? ()
1767 push @paths, cf::map::normalise $_; 2306 : normalise $_
2307 } @{ aio_readdir $UNIQUEDIR or [] }
1768 } 2308 ]
1769
1770 \@paths
1771} 2309}
1772
1773package cf;
1774 2310
1775=back 2311=back
1776 2312
1777=head3 cf::object 2313=head3 cf::object
1778 2314
1782 2318
1783=over 4 2319=over 4
1784 2320
1785=item $ob->inv_recursive 2321=item $ob->inv_recursive
1786 2322
1787Returns the inventory of the object _and_ their inventories, recursively. 2323Returns the inventory of the object I<and> their inventories, recursively,
2324but I<not> the object itself.
1788 2325
1789=cut 2326=cut
1790 2327
1791sub inv_recursive_; 2328sub inv_recursive_;
1792sub inv_recursive_ { 2329sub inv_recursive_ {
1795 2332
1796sub inv_recursive { 2333sub inv_recursive {
1797 inv_recursive_ inv $_[0] 2334 inv_recursive_ inv $_[0]
1798} 2335}
1799 2336
2337=item $ref = $ob->ref
2338
2339Creates and returns a persistent reference to an object that can be stored as a string.
2340
2341=item $ob = cf::object::deref ($refstring)
2342
2343returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2344even if the object actually exists. May block.
2345
2346=cut
2347
2348sub deref {
2349 my ($ref) = @_;
2350
2351 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2352 my ($uuid, $name) = ($1, $2);
2353 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2354 or return;
2355 $pl->ob->uuid eq $uuid
2356 or return;
2357
2358 $pl->ob
2359 } else {
2360 warn "$ref: cannot resolve object reference\n";
2361 undef
2362 }
2363}
2364
1800package cf; 2365package cf;
1801 2366
1802=back 2367=back
1803 2368
1804=head3 cf::object::player 2369=head3 cf::object::player
1810Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2375Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811can be C<undef>. Does the right thing when the player is currently in a 2376can be C<undef>. Does the right thing when the player is currently in a
1812dialogue with the given NPC character. 2377dialogue with the given NPC character.
1813 2378
1814=cut 2379=cut
2380
2381our $SAY_CHANNEL = {
2382 id => "say",
2383 title => "Map",
2384 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2386};
2387
2388our $CHAT_CHANNEL = {
2389 id => "chat",
2390 title => "Chat",
2391 reply => "chat ",
2392 tooltip => "Player chat and shouts, global to the server.",
2393};
1815 2394
1816# rough implementation of a future "reply" method that works 2395# rough implementation of a future "reply" method that works
1817# with dialog boxes. 2396# with dialog boxes.
1818#TODO: the first argument must go, split into a $npc->reply_to ( method 2397#TODO: the first argument must go, split into a $npc->reply_to ( method
1819sub cf::object::player::reply($$$;$) { 2398sub cf::object::player::reply($$$;$) {
1821 2400
1822 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2401 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823 2402
1824 if ($self->{record_replies}) { 2403 if ($self->{record_replies}) {
1825 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2404 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2405
1826 } else { 2406 } else {
2407 my $pl = $self->contr;
2408
2409 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2410 my $dialog = $pl->{npc_dialog};
2411 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2412
2413 } else {
1827 $msg = $npc->name . " says: $msg" if $npc; 2414 $msg = $npc->name . " says: $msg" if $npc;
1828 $self->message ($msg, $flags); 2415 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2416 }
1829 } 2417 }
2418}
2419
2420=item $object->send_msg ($channel, $msg, $color, [extra...])
2421
2422=cut
2423
2424sub cf::object::send_msg {
2425 my $pl = shift->contr
2426 or return;
2427 $pl->send_msg (@_);
1830} 2428}
1831 2429
1832=item $player_object->may ("access") 2430=item $player_object->may ("access")
1833 2431
1834Returns wether the given player is authorized to access resource "access" 2432Returns wether the given player is authorized to access resource "access"
1881 $self->deactivate_recursive; 2479 $self->deactivate_recursive;
1882 2480
1883 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2481 return if UNIVERSAL::isa $self->map, "ext::map_link";
1884 2482
1885 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2483 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886 if $self->map; 2484 if $self->map && $self->map->{path} ne "{link}";
1887 2485
1888 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2486 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1889} 2487}
1890 2488
1891sub cf::object::player::leave_link { 2489sub cf::object::player::leave_link {
1892 my ($self, $map, $x, $y) = @_; 2490 my ($self, $map, $x, $y) = @_;
2491
2492 return unless $self->contr->active;
1893 2493
1894 my $link_pos = delete $self->{_link_pos}; 2494 my $link_pos = delete $self->{_link_pos};
1895 2495
1896 unless ($map) { 2496 unless ($map) {
1897 # restore original map position 2497 # restore original map position
1911 # use -1 or undef as default coordinates, not 0, 0 2511 # use -1 or undef as default coordinates, not 0, 0
1912 ($x, $y) = ($map->enter_x, $map->enter_y) 2512 ($x, $y) = ($map->enter_x, $map->enter_y)
1913 if $x <=0 && $y <= 0; 2513 if $x <=0 && $y <= 0;
1914 2514
1915 $map->load; 2515 $map->load;
1916 $map->load_diag; 2516 $map->load_neighbours;
1917 2517
1918 return unless $self->contr->active; 2518 return unless $self->contr->active;
1919 $self->activate_recursive; 2519 $self->activate_recursive;
1920 2520
1921 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922 $self->enter_map ($map, $x, $y); 2522 $self->enter_map ($map, $x, $y);
1923} 2523}
1924 2524
1925cf::player->attach ( 2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926 on_logout => sub {
1927 my ($pl) = @_;
1928 2526
1929 # abort map switching before logout 2527Moves the player to the given map-path and coordinates by first freezing
1930 if ($pl->ob->{_link_pos}) { 2528her, loading and preparing them map, calling the provided $check callback
1931 cf::sync_job { 2529that has to return the map if sucecssful, and then unfreezes the player on
1932 $pl->ob->leave_link 2530the new (success) or old (failed) map position. In either case, $done will
1933 }; 2531be called at the end of this process.
1934 }
1935 },
1936 on_login => sub {
1937 my ($pl) = @_;
1938 2532
1939 # try to abort aborted map switching on player login :) 2533Note that $check will be called with a potentially non-loaded map, so if
1940 # should happen only on crashes 2534it needs a loaded map it has to call C<< ->load >>.
1941 if ($pl->ob->{_link_pos}) {
1942 $pl->ob->enter_link;
1943 (async {
1944 $pl->ob->reply (undef,
1945 "There was an internal problem at your last logout, "
1946 . "the server will try to bring you to your intended destination in a second.",
1947 cf::NDI_RED);
1948 # we need this sleep as the login has a concurrent enter_exit running
1949 # and this sleep increases chances of the player not ending up in scorn
1950 Coro::Timer::sleep 1;
1951 $pl->ob->leave_link;
1952 })->prio (2);
1953 }
1954 },
1955);
1956 2535
1957=item $player_object->goto ($path, $x, $y)
1958
1959=cut 2536=cut
2537
2538our $GOTOGEN;
1960 2539
1961sub cf::object::player::goto { 2540sub cf::object::player::goto {
1962 my ($self, $path, $x, $y) = @_; 2541 my ($self, $path, $x, $y, $check, $done) = @_;
2542
2543 # do generation counting so two concurrent goto's will be executed in-order
2544 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963 2545
1964 $self->enter_link; 2546 $self->enter_link;
1965 2547
1966 (async { 2548 (async {
2549 $Coro::current->{desc} = "player::goto $path $x $y";
2550
2551 # *tag paths override both path and x|y
2552 if ($path =~ /^\*(.*)$/) {
2553 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2554 my $ob = $obs[rand @obs];
2555
2556 # see if we actually can go there
2557 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2558 $ob = $obs[rand @obs];
2559 } else {
2560 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2561 }
2562 # else put us there anyways for now #d#
2563
2564 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2565 } else {
2566 ($path, $x, $y) = (undef, undef, undef);
2567 }
2568 }
2569
1967 my $map = eval { 2570 my $map = eval {
1968 my $map = cf::map::find $path; 2571 my $map = defined $path ? cf::map::find $path : undef;
2572
2573 if ($map) {
1969 $map = $map->customise_for ($self) if $map; 2574 $map = $map->customise_for ($self);
2575 $map = $check->($map) if $check && $map;
2576 } else {
2577 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579
1970 $map 2580 $map
2581 };
2582
2583 if ($@) {
2584 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2585 LOG llevError | logBacktrace, Carp::longmess $@;
1971 } or 2586 }
1972 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973 2587
2588 if ($gen == $self->{_goto_generation}) {
2589 delete $self->{_goto_generation};
1974 $self->leave_link ($map, $x, $y); 2590 $self->leave_link ($map, $x, $y);
2591 }
2592
2593 $done->() if $done;
1975 })->prio (1); 2594 })->prio (1);
1976} 2595}
1977 2596
1978=item $player_object->enter_exit ($exit_object) 2597=item $player_object->enter_exit ($exit_object)
1979 2598
1999} 2618}
2000 2619
2001sub prepare_random_map { 2620sub prepare_random_map {
2002 my ($exit) = @_; 2621 my ($exit) = @_;
2003 2622
2004 my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006 # all this does is basically replace the /! path by 2623 # all this does is basically replace the /! path by
2007 # a new random map path (?random/...) with a seed 2624 # a new random map path (?random/...) with a seed
2008 # that depends on the exit object 2625 # that depends on the exit object
2009 2626
2010 my $rmp = parse_random_map_params $exit->msg; 2627 my $rmp = parse_random_map_params $exit->msg;
2012 if ($exit->map) { 2629 if ($exit->map) {
2013 $rmp->{region} = $exit->region->name; 2630 $rmp->{region} = $exit->region->name;
2014 $rmp->{origin_map} = $exit->map->path; 2631 $rmp->{origin_map} = $exit->map->path;
2015 $rmp->{origin_x} = $exit->x; 2632 $rmp->{origin_x} = $exit->x;
2016 $rmp->{origin_y} = $exit->y; 2633 $rmp->{origin_y} = $exit->y;
2634
2635 $exit->map->touch;
2017 } 2636 }
2018 2637
2019 $rmp->{random_seed} ||= $exit->random_seed; 2638 $rmp->{random_seed} ||= $exit->random_seed;
2020 2639
2021 my $data = cf::to_json $rmp; 2640 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022 my $md5 = Digest::MD5::md5_hex $data; 2641 my $md5 = Digest::MD5::md5_hex $data;
2023 my $meta = "$RANDOMDIR/$md5.meta"; 2642 my $meta = "$RANDOMDIR/$md5.meta";
2024 2643
2025 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2644 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026 aio_write $fh, 0, (length $data), $data, 0; 2645 aio_write $fh, 0, (length $data), $data, 0;
2027 undef $fh; 2646 undef $fh;
2028 aio_rename "$meta~", $meta; 2647 aio_rename "$meta~", $meta;
2029 2648
2649 my $slaying = "?random/$md5";
2650
2651 if ($exit->valid) {
2030 $exit->slaying ("?random/$md5"); 2652 $exit->slaying ("?random/$md5");
2031 $exit->msg (undef); 2653 $exit->msg (undef);
2654 }
2032 } 2655 }
2033} 2656}
2034 2657
2035sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
2036 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
2037 2660
2038 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
2039 2662
2040 if ($exit->slaying eq "/!") {
2041 #TODO: this should de-fi-ni-te-ly not be a sync-job
2042 # the problem is that $exit might not survive long enough
2043 # so it needs to be done right now, right here
2044 cf::sync_job { prepare_random_map $exit };
2045 }
2046
2047 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048 my $hp = $exit->stats->hp;
2049 my $sp = $exit->stats->sp;
2050
2051 $self->enter_link; 2663 $self->enter_link;
2052 2664
2053 (async { 2665 (async {
2054 $self->deactivate_recursive; # just to be sure 2666 $Coro::current->{desc} = "enter_exit";
2667
2055 unless (eval { 2668 unless (eval {
2669 $self->deactivate_recursive; # just to be sure
2670
2671 # random map handling
2672 {
2673 my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
2675 prepare_random_map $exit
2676 if $exit->slaying eq "/!";
2677 }
2678
2679 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2680 my $x = $exit->stats->hp;
2681 my $y = $exit->stats->sp;
2682
2056 $self->goto ($slaying, $hp, $sp); 2683 $self->goto ($map, $x, $y);
2057 2684
2685 # if exit is damned, update players death & WoR home-position
2686 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED);
2688
2058 1; 2689 1
2059 }) { 2690 }) {
2060 $self->message ("Something went wrong deep within the crossfire server. " 2691 $self->message ("Something went wrong deep within the crossfire server. "
2061 . "I'll try to bring you back to the map you were before. " 2692 . "I'll try to bring you back to the map you were before. "
2062 . "Please report this to the dungeon master!", 2693 . "Please report this to the dungeon master!",
2063 cf::NDI_UNIQUE | cf::NDI_RED); 2694 cf::NDI_UNIQUE | cf::NDI_RED);
2084 2715
2085 utf8::encode $text; 2716 utf8::encode $text;
2086 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087} 2718}
2088 2719
2720=item $client->send_msg ($channel, $msg, $color, [extra...])
2721
2722Send a drawinfo or msg packet to the client, formatting the msg for the
2723client if neccessary. C<$type> should be a string identifying the type of
2724the message, with C<log> being the default. If C<$color> is negative, suppress
2725the message unless the client supports the msg packet.
2726
2727=cut
2728
2729# non-persistent channels (usually the info channel)
2730our %CHANNEL = (
2731 "c/identify" => {
2732 id => "infobox",
2733 title => "Identify",
2734 reply => undef,
2735 tooltip => "Items recently identified",
2736 },
2737 "c/examine" => {
2738 id => "infobox",
2739 title => "Examine",
2740 reply => undef,
2741 tooltip => "Signs and other items you examined",
2742 },
2743 "c/book" => {
2744 id => "infobox",
2745 title => "Book",
2746 reply => undef,
2747 tooltip => "The contents of a note or book",
2748 },
2749 "c/lookat" => {
2750 id => "infobox",
2751 title => "Look",
2752 reply => undef,
2753 tooltip => "What you saw there",
2754 },
2755 "c/who" => {
2756 id => "infobox",
2757 title => "Players",
2758 reply => undef,
2759 tooltip => "Shows players who are currently online",
2760 },
2761 "c/body" => {
2762 id => "infobox",
2763 title => "Body Parts",
2764 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available",
2766 },
2767 "c/uptime" => {
2768 id => "infobox",
2769 title => "Uptime",
2770 reply => undef,
2771 tooltip => "How long the server has been running since last restart",
2772 },
2773 "c/mapinfo" => {
2774 id => "infobox",
2775 title => "Map Info",
2776 reply => undef,
2777 tooltip => "Information related to the maps",
2778 },
2779 "c/party" => {
2780 id => "party",
2781 title => "Party",
2782 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party",
2784 },
2785);
2786
2787sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_;
2789
2790 $msg = $self->pl->expand_cfpod ($msg);
2791
2792 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793
2794 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel};
2797
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id};
2802
2803 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel)
2808 if $self->can_msg;
2809 }
2810
2811 $channel = $channel->{id};
2812 }
2813
2814 return unless @extra || length $msg;
2815
2816 if ($self->can_msg) {
2817 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF;
2820
2821 my $pkt = "msg "
2822 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 );
2825
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862}
2863
2089=item $client->ext_event ($type, %msg) 2864=item $client->ext_msg ($type, @msg)
2090 2865
2091Sends an exti event to the client. 2866Sends an ext event to the client.
2092 2867
2093=cut 2868=cut
2094 2869
2095sub cf::client::ext_event($$%) { 2870sub cf::client::ext_msg($$@) {
2096 my ($self, $type, %msg) = @_; 2871 my ($self, $type, @msg) = @_;
2097 2872
2873 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove
2098 $msg{msgtype} = "event_$type"; 2876 push @msg, msgtype => "event_$type";
2099 $self->send_packet ("ext " . cf::to_json \%msg); 2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 }
2879}
2880
2881=item $client->ext_reply ($msgid, @msg)
2882
2883Sends an ext reply to the client.
2884
2885=cut
2886
2887sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_;
2889
2890 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 }
2100} 2897}
2101 2898
2102=item $success = $client->query ($flags, "text", \&cb) 2899=item $success = $client->query ($flags, "text", \&cb)
2103 2900
2104Queues a query to the client, calling the given callback with 2901Queues a query to the client, calling the given callback with
2105the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2902the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2903C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107 2904
2108Queries can fail, so check the return code. Or don't, as queries will become 2905Queries can fail, so check the return code. Or don't, as queries will
2109reliable at some point in the future. 2906become reliable at some point in the future.
2110 2907
2111=cut 2908=cut
2112 2909
2113sub cf::client::query { 2910sub cf::client::query {
2114 my ($self, $flags, $text, $cb) = @_; 2911 my ($self, $flags, $text, $cb) = @_;
2122 utf8::encode $text; 2919 utf8::encode $text;
2123 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2920 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124 2921
2125 $self->send_packet ($self->{query_queue}[0][0]) 2922 $self->send_packet ($self->{query_queue}[0][0])
2126 if @{ $self->{query_queue} } == 1; 2923 if @{ $self->{query_queue} } == 1;
2924
2925 1
2127} 2926}
2128 2927
2129cf::client->attach ( 2928cf::client->attach (
2929 on_connect => sub {
2930 my ($ns) = @_;
2931
2932 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2933 },
2130 on_reply => sub { 2934 on_reply => sub {
2131 my ($ns, $msg) = @_; 2935 my ($ns, $msg) = @_;
2132 2936
2133 # this weird shuffling is so that direct followup queries 2937 # this weird shuffling is so that direct followup queries
2134 # get handled first 2938 # get handled first
2146 } else { 2950 } else {
2147 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2951 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148 } 2952 }
2149 } 2953 }
2150 }, 2954 },
2955 on_exticmd => sub {
2956 my ($ns, $buf) = @_;
2957
2958 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959
2960 if (ref $msg) {
2961 my ($type, $reply, @payload) =
2962 "ARRAY" eq ref $msg
2963 ? @$msg
2964 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965
2966 my @reply;
2967
2968 if (my $cb = $EXTICMD{$type}) {
2969 @reply = $cb->($ns, @payload);
2970 }
2971
2972 $ns->ext_reply ($reply, @reply)
2973 if $reply;
2974
2975 } else {
2976 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977 }
2978
2979 cf::override;
2980 },
2151); 2981);
2152 2982
2153=item $client->async (\&cb) 2983=item $client->async (\&cb)
2154 2984
2155Create a new coroutine, running the specified callback. The coroutine will 2985Create a new coroutine, running the specified callback. The coroutine will
2196our $safe = new Safe "safe"; 3026our $safe = new Safe "safe";
2197our $safe_hole = new Safe::Hole; 3027our $safe_hole = new Safe::Hole;
2198 3028
2199$SIG{FPE} = 'IGNORE'; 3029$SIG{FPE} = 'IGNORE';
2200 3030
2201$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3031$safe->permit_only (Opcode::opset qw(
3032 :base_core :base_mem :base_orig :base_math
3033 grepstart grepwhile mapstart mapwhile
3034 sort time
3035));
2202 3036
2203# here we export the classes and methods available to script code 3037# here we export the classes and methods available to script code
2204 3038
2205=pod 3039=pod
2206 3040
2207The following functions and methods are available within a safe environment: 3041The following functions and methods are available within a safe environment:
2208 3042
2209 cf::object contr pay_amount pay_player map 3043 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split
3046
2210 cf::object::player player 3047 cf::object::player
2211 cf::player peaceful 3048 player
2212 cf::map trigger 3049
3050 cf::player
3051 peaceful
3052
3053 cf::map
3054 trigger
2213 3055
2214=cut 3056=cut
2215 3057
2216for ( 3058for (
2217 ["cf::object" => qw(contr pay_amount pay_player map)], 3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)],
2218 ["cf::object::player" => qw(player)], 3062 ["cf::object::player" => qw(player)],
2219 ["cf::player" => qw(peaceful)], 3063 ["cf::player" => qw(peaceful)],
2220 ["cf::map" => qw(trigger)], 3064 ["cf::map" => qw(trigger)],
2221) { 3065) {
2222 no strict 'refs'; 3066 no strict 'refs';
2293=back 3137=back
2294 3138
2295=cut 3139=cut
2296 3140
2297############################################################################# 3141#############################################################################
2298
2299=head2 EXTENSION DATABASE SUPPORT
2300
2301Crossfire maintains a very simple database for extension use. It can
2302currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303convert to/from binary).
2304
2305The parameter C<$family> should best start with the name of the extension
2306using it, it should be unique.
2307
2308=over 4
2309
2310=item $value = cf::db_get $family => $key
2311
2312Returns a single value from the database.
2313
2314=item cf::db_put $family => $key => $value
2315
2316Stores the given C<$value> in the family.
2317
2318=cut
2319
2320our $DB;
2321
2322sub db_init {
2323 unless ($DB) {
2324 $DB = BDB::db_create $DB_ENV;
2325
2326 cf::sync_job {
2327 eval {
2328 $DB->set_flags (BDB::CHKSUM);
2329
2330 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332 cf::cleanup "db_open(db): $!" if $!;
2333 };
2334 cf::cleanup "db_open(db): $@" if $@;
2335 };
2336 }
2337}
2338
2339sub db_get($$) {
2340 my $key = "$_[0]/$_[1]";
2341
2342 cf::sync_job {
2343 BDB::db_get $DB, undef, $key, my $data;
2344
2345 $! ? ()
2346 : $data
2347 }
2348}
2349
2350sub db_put($$$) {
2351 BDB::dbreq_pri 4;
2352 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353}
2354
2355=item cf::cache $id => [$paths...], $processversion => $process
2356
2357Generic caching function that returns the value of the resource $id,
2358caching and regenerating as required.
2359
2360This function can block.
2361
2362=cut
2363
2364sub cache {
2365 my ($id, $src, $processversion, $process) = @_;
2366
2367 my $meta =
2368 join "\x00",
2369 $processversion,
2370 map {
2371 aio_stat $_
2372 and Carp::croak "$_: $!";
2373
2374 ($_, (stat _)[7,9])
2375 } @$src;
2376
2377 my $dbmeta = db_get cache => "$id/meta";
2378 if ($dbmeta ne $meta) {
2379 # changed, we may need to process
2380
2381 my @data;
2382 my $md5;
2383
2384 for (0 .. $#$src) {
2385 0 <= aio_load $src->[$_], $data[$_]
2386 or Carp::croak "$src->[$_]: $!";
2387 }
2388
2389 # if processing is expensive, check
2390 # checksum first
2391 if (1) {
2392 $md5 =
2393 join "\x00",
2394 $processversion,
2395 map {
2396 Coro::cede;
2397 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2398 } 0.. $#$src;
2399
2400
2401 my $dbmd5 = db_get cache => "$id/md5";
2402 if ($dbmd5 eq $md5) {
2403 db_put cache => "$id/meta", $meta;
2404
2405 return db_get cache => "$id/data";
2406 }
2407 }
2408
2409 my $t1 = Time::HiRes::time;
2410 my $data = $process->(\@data);
2411 my $t2 = Time::HiRes::time;
2412
2413 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415 db_put cache => "$id/data", $data;
2416 db_put cache => "$id/md5" , $md5;
2417 db_put cache => "$id/meta", $meta;
2418
2419 return $data;
2420 }
2421
2422 db_get cache => "$id/data"
2423}
2424
2425=item fork_call { }, $args
2426
2427Executes the given code block with the given arguments in a seperate
2428process, returning the results. Everything must be serialisable with
2429Coro::Storable. May, of course, block. Note that the executed sub may
2430never block itself or use any form of Event handling.
2431
2432=cut
2433
2434sub fork_call(&@) {
2435 my ($cb, @args) = @_;
2436
2437# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438# or die "socketpair: $!";
2439 pipe my $fh1, my $fh2
2440 or die "pipe: $!";
2441
2442 if (my $pid = fork) {
2443 close $fh2;
2444
2445 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446 $res = Coro::Storable::thaw $res;
2447
2448 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450 die $$res unless "ARRAY" eq ref $res;
2451
2452 return wantarray ? @$res : $res->[-1];
2453 } else {
2454 reset_signals;
2455 local $SIG{__WARN__};
2456 local $SIG{__DIE__};
2457 eval {
2458 close $fh1;
2459
2460 my @res = eval { $cb->(@args) };
2461 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462 };
2463
2464 warn $@ if $@;
2465 _exit 0;
2466 }
2467}
2468
2469
2470
2471#############################################################################
2472# the server's init and main functions 3142# the server's init and main functions
2473 3143
2474sub load_facedata($) { 3144sub load_facedata($) {
2475 my ($path) = @_; 3145 my ($path) = @_;
3146
3147 # HACK to clear player env face cache, we need some signal framework
3148 # for this (global event?)
3149 %ext::player_env::MUSIC_FACE_CACHE = ();
3150
3151 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476 3152
2477 warn "loading facedata from $path\n"; 3153 warn "loading facedata from $path\n";
2478 3154
2479 my $facedata; 3155 my $facedata;
2480 0 < aio_load $path, $facedata 3156 0 < aio_load $path, $facedata
2483 $facedata = Coro::Storable::thaw $facedata; 3159 $facedata = Coro::Storable::thaw $facedata;
2484 3160
2485 $facedata->{version} == 2 3161 $facedata->{version} == 2
2486 or cf::cleanup "$path: version mismatch, cannot proceed."; 3162 or cf::cleanup "$path: version mismatch, cannot proceed.";
2487 3163
3164 # patch in the exptable
3165 $facedata->{resource}{"res/exp_table"} = {
3166 type => FT_RSRC,
3167 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3168 };
3169 cf::cede_to_tick;
3170
2488 { 3171 {
2489 my $faces = $facedata->{faceinfo}; 3172 my $faces = $facedata->{faceinfo};
2490 3173
2491 while (my ($face, $info) = each %$faces) { 3174 while (my ($face, $info) = each %$faces) {
2492 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3175 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3176
2493 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3177 cf::face::set_visibility $idx, $info->{visibility};
3178 cf::face::set_magicmap $idx, $info->{magicmap};
2494 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3179 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3180 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496 Coro::cede; 3181
3182 cf::cede_to_tick;
2497 } 3183 }
2498 3184
2499 while (my ($face, $info) = each %$faces) { 3185 while (my ($face, $info) = each %$faces) {
2500 next unless $info->{smooth}; 3186 next unless $info->{smooth};
3187
2501 my $idx = cf::face::find $face 3188 my $idx = cf::face::find $face
2502 or next; 3189 or next;
3190
2503 if (my $smooth = cf::face::find $info->{smooth}) { 3191 if (my $smooth = cf::face::find $info->{smooth}) {
3192 cf::face::set_smooth $idx, $smooth;
2504 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3193 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505 } else { 3194 } else {
2506 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3195 warn "smooth face '$info->{smooth}' not found for face '$face'";
2507 } 3196 }
2508 Coro::cede; 3197
3198 cf::cede_to_tick;
2509 } 3199 }
2510 } 3200 }
2511 3201
2512 { 3202 {
2513 my $anims = $facedata->{animinfo}; 3203 my $anims = $facedata->{animinfo};
2514 3204
2515 while (my ($anim, $info) = each %$anims) { 3205 while (my ($anim, $info) = each %$anims) {
2516 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3206 cf::anim::set $anim, $info->{frames}, $info->{facings};
2517 Coro::cede; 3207 cf::cede_to_tick;
2518 } 3208 }
2519 3209
2520 cf::anim::invalidate_all; # d'oh 3210 cf::anim::invalidate_all; # d'oh
2521 } 3211 }
2522 3212
3213 {
3214 # TODO: for gcfclient pleasure, we should give resources
3215 # that gcfclient doesn't grok a >10000 face index.
3216 my $res = $facedata->{resource};
3217
3218 while (my ($name, $info) = each %$res) {
3219 if (defined $info->{type}) {
3220 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221 my $data;
3222
3223 if ($info->{type} & 1) {
3224 # prepend meta info
3225
3226 my $meta = $enc->encode ({
3227 name => $name,
3228 %{ $info->{meta} || {} },
3229 });
3230
3231 $data = pack "(w/a*)*", $meta, $info->{data};
3232 } else {
3233 $data = $info->{data};
3234 }
3235
3236 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237 cf::face::set_type $idx, $info->{type};
3238 } else {
3239 $RESOURCE{$name} = $info;
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247
2523 1 3248 1
2524} 3249}
2525 3250
3251cf::global->attach (on_resource_update => sub {
3252 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256 my $sound = $soundconf->{compat}[$_]
3257 or next;
3258
3259 my $face = cf::face::find "sound/$sound->[1]";
3260 cf::sound::set $sound->[0] => $face;
3261 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262 }
3263
3264 while (my ($k, $v) = each %{$soundconf->{event}}) {
3265 my $face = cf::face::find "sound/$v";
3266 cf::sound::set $k => $face;
3267 }
3268 }
3269});
3270
3271register_exticmd fx_want => sub {
3272 my ($ns, $want) = @_;
3273
3274 while (my ($k, $v) = each %$want) {
3275 $ns->fx_want ($k, $v);
3276 }
3277};
3278
3279sub load_resource_file($) {
3280 my $guard = lock_acquire "load_resource_file";
3281
3282 my $status = load_resource_file_ $_[0];
3283 get_slot 0.1, 100;
3284 cf::arch::commit_load;
3285
3286 $status
3287}
3288
2526sub reload_regions { 3289sub reload_regions {
3290 # HACK to clear player env face cache, we need some signal framework
3291 # for this (global event?)
3292 %ext::player_env::MUSIC_FACE_CACHE = ();
3293
2527 load_resource_file "$MAPDIR/regions" 3294 load_resource_file "$MAPDIR/regions"
2528 or die "unable to load regions file\n"; 3295 or die "unable to load regions file\n";
3296
3297 for (cf::region::list) {
3298 $_->{match} = qr/$_->{match}/
3299 if exists $_->{match};
3300 }
2529} 3301}
2530 3302
2531sub reload_facedata { 3303sub reload_facedata {
2532 load_facedata "$DATADIR/facedata" 3304 load_facedata "$DATADIR/facedata"
2533 or die "unable to load facedata\n"; 3305 or die "unable to load facedata\n";
2544} 3316}
2545 3317
2546sub reload_resources { 3318sub reload_resources {
2547 warn "reloading resource files...\n"; 3319 warn "reloading resource files...\n";
2548 3320
2549 reload_regions;
2550 reload_facedata; 3321 reload_facedata;
2551 reload_archetypes; 3322 reload_archetypes;
3323 reload_regions;
2552 reload_treasures; 3324 reload_treasures;
2553 3325
2554 warn "finished reloading resource files\n"; 3326 warn "finished reloading resource files\n";
2555} 3327}
2556 3328
2557sub init { 3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
2558 reload_resources; 3334 reload_resources;
2559} 3335}
2560 3336
2561sub cfg_load { 3337sub reload_config {
2562 open my $fh, "<:utf8", "$CONFDIR/config" 3338 open my $fh, "<:utf8", "$CONFDIR/config"
2563 or return; 3339 or return;
2564 3340
2565 local $/; 3341 local $/;
2566 *CFG = YAML::Syck::Load <$fh>; 3342 *CFG = YAML::Load <$fh>;
2567 3343
2568 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569 3345
2570 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2582sub main { 3358sub main {
2583 # we must not ever block the main coroutine 3359 # we must not ever block the main coroutine
2584 local $Coro::idle = sub { 3360 local $Coro::idle = sub {
2585 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586 (async { 3362 (async {
2587 Event::one_event; 3363 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT;
2588 })->prio (Coro::PRIO_MAX); 3365 })->prio (Coro::PRIO_MAX);
2589 }; 3366 };
2590 3367
2591 cfg_load; 3368 {
3369 my $guard = freeze_mainloop;
3370 reload_config;
2592 db_init; 3371 db_init;
2593 load_extensions; 3372 load_extensions;
2594 3373
2595 $TICK_WATCHER->start; 3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3375 }
3376
2596 Event::loop; 3377 EV::loop;
2597} 3378}
2598 3379
2599############################################################################# 3380#############################################################################
2600# initialisation and cleanup 3381# initialisation and cleanup
2601 3382
2602# install some emergency cleanup handlers 3383# install some emergency cleanup handlers
2603BEGIN { 3384BEGIN {
3385 our %SIGWATCHER = ();
2604 for my $signal (qw(INT HUP TERM)) { 3386 for my $signal (qw(INT HUP TERM)) {
2605 Event->signal ( 3387 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 signal => $signal,
2609 prio => 0,
2610 cb => sub {
2611 cf::cleanup "SIG$signal"; 3388 cf::cleanup "SIG$signal";
2612 },
2613 ); 3389 };
3390 }
3391}
3392
3393sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time.
3398
3399 IO::AIO::aio_utime $runtime, undef, undef;
3400
3401 my $guard = cf::lock_acquire "write_runtime";
3402
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3404 or return;
3405
3406 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server.
3409
3410 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3411 and return;
3412
3413 # always fsync - this file is important
3414 aio_fsync $fh
3415 and return;
3416
3417 # touch it again to show we are up-to-date
3418 aio_utime $fh, undef, undef;
3419
3420 close $fh
3421 or return;
3422
3423 aio_rename "$runtime~", $runtime
3424 and return;
3425
3426 warn "runtime file written.\n";
3427
2614 } 3428 1
3429}
3430
3431our $uuid_lock;
3432our $uuid_skip;
3433
3434sub write_uuid_sync($) {
3435 $uuid_skip ||= $_[0];
3436
3437 return if $uuid_lock;
3438 local $uuid_lock = 1;
3439
3440 my $uuid = "$LOCALDIR/uuid";
3441
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return;
3444
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3446 $uuid_skip = 0;
3447
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return;
3450
3451 # always fsync - this file is important
3452 aio_fsync $fh
3453 and return;
3454
3455 close $fh
3456 or return;
3457
3458 aio_rename "$uuid~", $uuid
3459 and return;
3460
3461 warn "uuid file written ($value).\n";
3462
3463 1
3464
3465}
3466
3467sub write_uuid($$) {
3468 my ($skip, $sync) = @_;
3469
3470 $sync ? write_uuid_sync $skip
3471 : async { write_uuid_sync $skip };
2615} 3472}
2616 3473
2617sub emergency_save() { 3474sub emergency_save() {
2618 my $freeze_guard = cf::freeze_mainloop; 3475 my $freeze_guard = cf::freeze_mainloop;
2619 3476
2625 # and maps saved/destroyed asynchronously. 3482 # and maps saved/destroyed asynchronously.
2626 warn "begin emergency player save\n"; 3483 warn "begin emergency player save\n";
2627 for my $login (keys %cf::PLAYER) { 3484 for my $login (keys %cf::PLAYER) {
2628 my $pl = $cf::PLAYER{$login} or next; 3485 my $pl = $cf::PLAYER{$login} or next;
2629 $pl->valid or next; 3486 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630 $pl->save; 3488 $pl->save;
2631 } 3489 }
2632 warn "end emergency player save\n"; 3490 warn "end emergency player save\n";
2633 3491
2634 warn "begin emergency map save\n"; 3492 warn "begin emergency map save\n";
2640 warn "end emergency map save\n"; 3498 warn "end emergency map save\n";
2641 3499
2642 warn "begin emergency database checkpoint\n"; 3500 warn "begin emergency database checkpoint\n";
2643 BDB::db_env_txn_checkpoint $DB_ENV; 3501 BDB::db_env_txn_checkpoint $DB_ENV;
2644 warn "end emergency database checkpoint\n"; 3502 warn "end emergency database checkpoint\n";
3503
3504 warn "begin write uuid\n";
3505 write_uuid_sync 1;
3506 warn "end write uuid\n";
2645 }; 3507 };
2646 3508
2647 warn "leave emergency perl save\n"; 3509 warn "leave emergency perl save\n";
2648} 3510}
2649 3511
2651 my ($make_core) = @_; 3513 my ($make_core) = @_;
2652 3514
2653 warn Carp::longmess "post_cleanup backtrace" 3515 warn Carp::longmess "post_cleanup backtrace"
2654 if $make_core; 3516 if $make_core;
2655} 3517}
3518
3519# a safer delete_package, copied from Symbol
3520sub clear_package($) {
3521 my $pkg = shift;
3522
3523 # expand to full symbol table name if needed
3524 unless ($pkg =~ /^main::.*::$/) {
3525 $pkg = "main$pkg" if $pkg =~ /^::/;
3526 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3527 $pkg .= '::' unless $pkg =~ /::$/;
3528 }
3529
3530 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3531 my $stem_symtab = *{$stem}{HASH};
3532
3533 defined $stem_symtab and exists $stem_symtab->{$leaf}
3534 or return;
3535
3536 # clear all symbols
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 }
3542 warn "cleared package #$pkg\n";#d#
3543}
3544
3545our $RELOAD; # how many times to reload
2656 3546
2657sub do_reload_perl() { 3547sub do_reload_perl() {
2658 # can/must only be called in main 3548 # can/must only be called in main
2659 if ($Coro::current != $Coro::main) { 3549 if ($Coro::current != $Coro::main) {
2660 warn "can only reload from main coroutine"; 3550 warn "can only reload from main coroutine";
2661 return; 3551 return;
2662 } 3552 }
2663 3553
3554 return if $RELOAD++;
3555
3556 while ($RELOAD) {
2664 warn "reloading..."; 3557 warn "reloading...";
2665 3558
2666 warn "entering sync_job"; 3559 warn "entering sync_job";
2667 3560
2668 cf::sync_job { 3561 cf::sync_job {
2669 cf::write_runtime; # external watchdog should not bark 3562 cf::write_runtime_sync; # external watchdog should not bark
2670 cf::emergency_save; 3563 cf::emergency_save;
2671 cf::write_runtime; # external watchdog should not bark 3564 cf::write_runtime_sync; # external watchdog should not bark
2672 3565
2673 warn "syncing database to disk"; 3566 warn "syncing database to disk";
2674 BDB::db_env_txn_checkpoint $DB_ENV; 3567 BDB::db_env_txn_checkpoint $DB_ENV;
2675 3568
2676 # if anything goes wrong in here, we should simply crash as we already saved 3569 # if anything goes wrong in here, we should simply crash as we already saved
2677 3570
2678 warn "cancelling all WF_AUTOCANCEL watchers";
2679 for (Event::all_watchers) {
2680 $_->cancel if $_->data & WF_AUTOCANCEL;
2681 }
2682
2683 warn "flushing outstanding aio requests"; 3571 warn "flushing outstanding aio requests";
2684 for (;;) {
2685 BDB::flush;
2686 IO::AIO::flush;
2687 Coro::cede;
2688 last unless IO::AIO::nreqs || BDB::nreqs; 3572 while (IO::AIO::nreqs || BDB::nreqs) {
2689 warn "iterate..."; 3573 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690 }
2691
2692 ++$RELOAD;
2693
2694 warn "cancelling all extension coros";
2695 $_->cancel for values %EXT_CORO;
2696 %EXT_CORO = ();
2697
2698 warn "removing commands";
2699 %COMMAND = ();
2700
2701 warn "removing ext commands";
2702 %EXTCMD = ();
2703
2704 warn "unloading/nuking all extensions";
2705 for my $pkg (@EXTS) {
2706 warn "... unloading $pkg";
2707
2708 if (my $cb = $pkg->can ("unload")) {
2709 eval {
2710 $cb->($pkg);
2711 1
2712 } or warn "$pkg unloaded, but with errors: $@";
2713 } 3574 }
2714 3575
2715 warn "... nuking $pkg"; 3576 warn "cancelling all extension coros";
2716 Symbol::delete_package $pkg; 3577 $_->cancel for values %EXT_CORO;
2717 } 3578 %EXT_CORO = ();
2718 3579
2719 warn "unloading all perl modules loaded from $LIBDIR"; 3580 warn "removing commands";
2720 while (my ($k, $v) = each %INC) { 3581 %COMMAND = ();
2721 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722 3582
3583 warn "removing ext/exti commands";
3584 %EXTCMD = ();
3585 %EXTICMD = ();
3586
3587 warn "unloading/nuking all extensions";
3588 for my $pkg (@EXTS) {
2723 warn "... unloading $k"; 3589 warn "... unloading $pkg";
2724 delete $INC{$k};
2725 3590
2726 $k =~ s/\.pm$//;
2727 $k =~ s/\//::/g;
2728
2729 if (my $cb = $k->can ("unload_module")) { 3591 if (my $cb = $pkg->can ("unload")) {
3592 eval {
2730 $cb->(); 3593 $cb->($pkg);
3594 1
3595 } or warn "$pkg unloaded, but with errors: $@";
3596 }
3597
3598 warn "... clearing $pkg";
3599 clear_package $pkg;
2731 } 3600 }
2732 3601
2733 Symbol::delete_package $k; 3602 warn "unloading all perl modules loaded from $LIBDIR";
3603 while (my ($k, $v) = each %INC) {
3604 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605
3606 warn "... unloading $k";
3607 delete $INC{$k};
3608
3609 $k =~ s/\.pm$//;
3610 $k =~ s/\//::/g;
3611
3612 if (my $cb = $k->can ("unload_module")) {
3613 $cb->();
3614 }
3615
3616 clear_package $k;
2734 } 3617 }
2735 3618
2736 warn "getting rid of safe::, as good as possible"; 3619 warn "getting rid of safe::, as good as possible";
2737 Symbol::delete_package "safe::$_" 3620 clear_package "safe::$_"
2738 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739 3622
2740 warn "unloading cf.pm \"a bit\""; 3623 warn "unloading cf.pm \"a bit\"";
2741 delete $INC{"cf.pm"}; 3624 delete $INC{"cf.pm"};
2742 delete $INC{"cf/pod.pm"}; 3625 delete $INC{"cf/pod.pm"};
2743 3626
2744 # don't, removes xs symbols, too, 3627 # don't, removes xs symbols, too,
2745 # and global variables created in xs 3628 # and global variables created in xs
2746 #Symbol::delete_package __PACKAGE__; 3629 #clear_package __PACKAGE__;
2747 3630
2748 warn "unload completed, starting to reload now"; 3631 warn "unload completed, starting to reload now";
2749 3632
2750 warn "reloading cf.pm"; 3633 warn "reloading cf.pm";
2751 require cf; 3634 require cf;
2752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753 3636
2754 warn "loading config and database again"; 3637 warn "loading config and database again";
2755 cf::cfg_load; 3638 cf::reload_config;
2756 3639
2757 warn "loading extensions"; 3640 warn "loading extensions";
2758 cf::load_extensions; 3641 cf::load_extensions;
2759 3642
2760 warn "reattaching attachments to objects/players"; 3643 warn "reattaching attachments to objects/players";
2761 _global_reattach; # objects, sockets 3644 _global_reattach; # objects, sockets
2762 warn "reattaching attachments to maps"; 3645 warn "reattaching attachments to maps";
2763 reattach $_ for values %MAP; 3646 reattach $_ for values %MAP;
2764 warn "reattaching attachments to players"; 3647 warn "reattaching attachments to players";
2765 reattach $_ for values %PLAYER; 3648 reattach $_ for values %PLAYER;
2766 3649
2767 warn "leaving sync_job"; 3650 warn "leaving sync_job";
2768 3651
2769 1 3652 1
2770 } or do { 3653 } or do {
2771 warn $@; 3654 warn $@;
2772 warn "error while reloading, exiting."; 3655 cf::cleanup "error while reloading, exiting.";
2773 exit 1;
2774 }; 3656 };
2775 3657
2776 warn "reloaded"; 3658 warn "reloaded";
3659 --$RELOAD;
3660 }
2777}; 3661};
2778 3662
2779our $RELOAD_WATCHER; # used only during reload 3663our $RELOAD_WATCHER; # used only during reload
2780 3664
2781sub reload_perl() { 3665sub reload_perl() {
2782 # doing reload synchronously and two reloads happen back-to-back, 3666 # doing reload synchronously and two reloads happen back-to-back,
2783 # coro crashes during coro_state_free->destroy here. 3667 # coro crashes during coro_state_free->destroy here.
2784 3668
2785 $RELOAD_WATCHER ||= Event->timer ( 3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786 reentrant => 0,
2787 after => 0,
2788 data => WF_AUTOCANCEL,
2789 cb => sub {
2790 do_reload_perl; 3670 do_reload_perl;
2791 undef $RELOAD_WATCHER; 3671 undef $RELOAD_WATCHER;
2792 },
2793 ); 3672 };
2794} 3673}
2795 3674
2796register_command "reload" => sub { 3675register_command "reload" => sub {
2797 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
2798 3677
2799 if ($who->flag (FLAG_WIZ)) { 3678 if ($who->flag (FLAG_WIZ)) {
2800 $who->message ("reloading server."); 3679 $who->message ("reloading server.");
3680 async {
3681 $Coro::current->{desc} = "perl_reload";
2801 async { reload_perl }; 3682 reload_perl;
3683 };
2802 } 3684 }
2803}; 3685};
2804 3686
2805unshift @INC, $LIBDIR; 3687unshift @INC, $LIBDIR;
2806 3688
2808 3690
2809our @WAIT_FOR_TICK; 3691our @WAIT_FOR_TICK;
2810our @WAIT_FOR_TICK_BEGIN; 3692our @WAIT_FOR_TICK_BEGIN;
2811 3693
2812sub wait_for_tick { 3694sub wait_for_tick {
2813 return unless $TICK_WATCHER->is_active;
2814 return if $Coro::current == $Coro::main; 3695 return if tick_inhibit || $Coro::current == $Coro::main;
2815 3696
2816 my $signal = new Coro::Signal; 3697 my $signal = new Coro::Signal;
2817 push @WAIT_FOR_TICK, $signal; 3698 push @WAIT_FOR_TICK, $signal;
2818 $signal->wait; 3699 $signal->wait;
2819} 3700}
2820 3701
2821sub wait_for_tick_begin { 3702sub wait_for_tick_begin {
2822 return unless $TICK_WATCHER->is_active;
2823 return if $Coro::current == $Coro::main; 3703 return if tick_inhibit || $Coro::current == $Coro::main;
2824 3704
2825 my $signal = new Coro::Signal; 3705 my $signal = new Coro::Signal;
2826 push @WAIT_FOR_TICK_BEGIN, $signal; 3706 push @WAIT_FOR_TICK_BEGIN, $signal;
2827 $signal->wait; 3707 $signal->wait;
2828} 3708}
2829 3709
2830$TICK_WATCHER = Event->timer ( 3710sub tick {
2831 reentrant => 0,
2832 parked => 1,
2833 prio => 0,
2834 at => $NEXT_TICK || $TICK,
2835 data => WF_AUTOCANCEL,
2836 cb => sub {
2837 if ($Coro::current != $Coro::main) { 3711 if ($Coro::current != $Coro::main) {
2838 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3712 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839 unless ++$bug_warning > 10; 3713 unless ++$bug_warning > 10;
2840 return; 3714 return;
2841 } 3715 }
2842 3716
2843 $NOW = Event::time;
2844
2845 cf::server_tick; # one server iteration 3717 cf::server_tick; # one server iteration
2846 3718
2847 $RUNTIME += $TICK;
2848 $NEXT_TICK += $TICK;
2849
2850 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3719 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851 $NEXT_RUNTIME_WRITE = $NOW + 10; 3720 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852 Coro::async_pool { 3721 Coro::async_pool {
3722 $Coro::current->{desc} = "runtime saver";
2853 write_runtime 3723 write_runtime_sync
2854 or warn "ERROR: unable to write runtime file: $!"; 3724 or warn "ERROR: unable to write runtime file: $!";
2855 };
2856 } 3725 };
3726 }
2857 3727
2858# my $AFTER = Event::time;
2859# warn $AFTER - $NOW;#d#
2860
2861 # if we are delayed by four ticks or more, skip them all
2862 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864 $TICK_WATCHER->at ($NEXT_TICK);
2865 $TICK_WATCHER->start;
2866
2867 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3728 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868 $sig->send; 3729 $sig->send;
2869 } 3730 }
2870 while (my $sig = shift @WAIT_FOR_TICK) { 3731 while (my $sig = shift @WAIT_FOR_TICK) {
2871 $sig->send; 3732 $sig->send;
2872 }
2873
2874 _post_tick;
2875 }, 3733 }
2876); 3734
3735 $LOAD = ($NOW - $TICK_START) / $TICK;
3736 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3737
3738 if (0) {
3739 if ($NEXT_TICK) {
3740 my $jitter = $TICK_START - $NEXT_TICK;
3741 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742 warn "jitter $JITTER\n";#d#
3743 }
3744 }
3745}
2877 3746
2878{ 3747{
2879 BDB::max_poll_time $TICK * 0.1; 3748 # configure BDB
2880 $BDB_POLL_WATCHER = Event->io ( 3749
2881 reentrant => 0,
2882 fd => BDB::poll_fileno,
2883 poll => 'r',
2884 prio => 0,
2885 data => WF_AUTOCANCEL,
2886 cb => \&BDB::poll_cb,
2887 );
2888 BDB::min_parallel 8; 3750 BDB::min_parallel 8;
2889 3751 BDB::max_poll_reqs $TICK * 0.1;
2890 BDB::set_sync_prepare { 3752 $AnyEvent::BDB::WATCHER->priority (1);
2891 my $status;
2892 my $current = $Coro::current;
2893 (
2894 sub {
2895 $status = $!;
2896 $current->ready; undef $current;
2897 },
2898 sub {
2899 Coro::schedule while defined $current;
2900 $! = $status;
2901 },
2902 )
2903 };
2904 3753
2905 unless ($DB_ENV) { 3754 unless ($DB_ENV) {
2906 $DB_ENV = BDB::db_env_create; 3755 $DB_ENV = BDB::db_env_create;
3756 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3758 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3759 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3760 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907 3761
2908 cf::sync_job { 3762 cf::sync_job {
2909 eval { 3763 eval {
2910 BDB::db_env_open 3764 BDB::db_env_open
2911 $DB_ENV, 3765 $DB_ENV,
2913 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3767 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3768 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915 0666; 3769 0666;
2916 3770
2917 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3771 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920 $DB_ENV->set_lk_detect;
2921 }; 3772 };
2922 3773
2923 cf::cleanup "db_env_open(db): $@" if $@; 3774 cf::cleanup "db_env_open(db): $@" if $@;
2924 }; 3775 };
2925 } 3776 }
3777
3778 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3779 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3780 };
3781 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3782 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783 };
3784 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786 };
2926} 3787}
2927 3788
2928{ 3789{
3790 # configure IO::AIO
3791
2929 IO::AIO::min_parallel 8; 3792 IO::AIO::min_parallel 8;
2930
2931 undef $Coro::AIO::WATCHER;
2932 IO::AIO::max_poll_time $TICK * 0.1; 3793 IO::AIO::max_poll_time $TICK * 0.1;
2933 $AIO_POLL_WATCHER = Event->io ( 3794 undef $AnyEvent::AIO::WATCHER;
2934 reentrant => 0,
2935 data => WF_AUTOCANCEL,
2936 fd => IO::AIO::poll_fileno,
2937 poll => 'r',
2938 prio => 6,
2939 cb => \&IO::AIO::poll_cb,
2940 );
2941} 3795}
2942 3796
2943my $_log_backtrace; 3797my $_log_backtrace;
2944 3798
2945sub _log_backtrace { 3799sub _log_backtrace {
2949 3803
2950 # limit the # of concurrent backtraces 3804 # limit the # of concurrent backtraces
2951 if ($_log_backtrace < 2) { 3805 if ($_log_backtrace < 2) {
2952 ++$_log_backtrace; 3806 ++$_log_backtrace;
2953 async { 3807 async {
3808 $Coro::current->{desc} = "abt $msg";
3809
2954 my @bt = fork_call { 3810 my @bt = fork_call {
2955 @addr = map { sprintf "%x", $_ } @addr; 3811 @addr = map { sprintf "%x", $_ } @addr;
2956 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3812 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3813 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958 or die "addr2line: $!"; 3814 or die "addr2line: $!";

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