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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.296 by root, Wed Jul 4 07:09:06 2007 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 2009 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 it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# 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 Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
14 37
38use Guard ();
15use Coro 3.61 (); 39use Coro ();
16use Coro::State; 40use Coro::State;
17use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
18use Coro::Event; 43use Coro::AnyEvent;
19use Coro::Timer; 44use Coro::Timer;
20use Coro::Signal; 45use Coro::Signal;
21use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
22use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
23use Coro::Storable; 51use Coro::Storable;
52use Coro::Util ();
24 53
25use JSON::XS 1.4 (); 54use JSON::XS 2.01 ();
26use BDB (); 55use BDB ();
27use Data::Dumper; 56use Data::Dumper;
28use Digest::MD5; 57use Digest::MD5;
29use Fcntl; 58use Fcntl;
30use YAML::Syck (); 59use YAML::XS ();
31use IO::AIO 2.32 (); 60use IO::AIO ();
32use Time::HiRes; 61use Time::HiRes;
33use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
34 66
35# configure various modules to our taste 67# configure various modules to our taste
36# 68#
37$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
38Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40 77
41$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
42 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44$YAML::Syck::ImplicitUnicode = 1;
45
46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47 80
48sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49 82
50our %COMMAND = (); 83our %COMMAND = ();
51our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
54our %EXTCMD = (); 87our %EXTCMD = ();
55our %EXTICMD = (); 88our %EXTICMD = ();
56our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
57our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
58 91
59our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
60our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
61 96
62our $CONFDIR = confdir; 97our $CONFDIR = confdir;
63our $DATADIR = datadir; 98our $DATADIR = datadir;
64our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
65our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
66our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
67our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
68our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
69our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
72our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
73 112
74our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75our $TICK_WATCHER;
76our $AIO_POLL_WATCHER;
77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78our $NEXT_TICK; 115our $NEXT_TICK;
79our $NOW;
80our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
81 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
82our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
83our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
84 124
85our %CFG; 125our %CFG;
86 126
87our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
88our $RUNTIME; 128our $RUNTIME;
129our $NOW;
89 130
90our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
91our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
92our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
93 134
94# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
95our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96 137
97our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
99our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
100 147
101binmode STDOUT; 148binmode STDOUT;
102binmode STDERR; 149binmode STDERR;
103 150
104# read virtual server time, if available 151# read virtual server time, if available
105unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
106 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
107 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
108 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
109} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
110 159
111mkdir $_ 160mkdir $_
112 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113 162
114our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
115 164
116sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117 177
118############################################################################# 178#############################################################################
119 179
120=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
121 181
157 217
158The raw value load value from the last tick. 218The raw value load value from the last tick.
159 219
160=item %cf::CFG 220=item %cf::CFG
161 221
162Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163from wherever your confdir points to. 223from wherever your confdir points to.
164 224
165=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
166 226
167These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
169per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
171=back 243=back
172 244
173=cut 245=cut
174 246
175BEGIN { 247$Coro::State::WARNHOOK = sub {
176 *CORE::GLOBAL::warn = sub {
177 my $msg = join "", @_; 248 my $msg = join "", @_;
178 249
179 $msg .= "\n" 250 $msg .= "\n"
180 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
181 252
182 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183 254
184 utf8::encode $msg;
185 LOG llevError, $msg; 255 LOG llevError, $msg;
186 }; 256};
187} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
188 271
189@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
199for my $pkg (qw( 282for my $pkg (qw(
200 cf::global cf::attachable 283 cf::global cf::attachable
201 cf::object cf::object::player 284 cf::object cf::object::player
202 cf::client cf::player 285 cf::client cf::player
203 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
204 cf::map cf::party cf::region 288 cf::party cf::region
205)) { 289)) {
206 no strict 'refs';
207 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208} 291}
209 292
210$Event::DIED = sub { 293$EV::DIED = sub {
211 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
212}; 295};
213 296
214############################################################################# 297#############################################################################
215 298
238 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239 $d 322 $d
240 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
241} 324}
242 325
243=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
244 327
245Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
246 329
247=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
248 331
249Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
250 333
251=cut 334=cut
252 335
253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254 337
255sub to_json ($) { $json_coder->encode ($_[0]) } 338sub encode_json($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[0]) } 339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
257 354
258=item cf::lock_wait $string 355=item cf::lock_wait $string
259 356
260Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
261 358
262=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
263 360
264Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
265a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
267returned. 364returned.
268 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
269Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
270uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
271 371
272=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
273 373
274Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
275 375
276=cut 376=cut
277 377
278our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
279 379
280sub lock_wait($) { 380sub lock_wait($) {
281 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
282
283 # wait for lock, if any
284 while ($LOCK{$key}) {
285 push @{ $LOCK{$key} }, $Coro::current;
286 Coro::schedule;
287 }
288} 382}
289 383
290sub lock_acquire($) { 384sub lock_acquire($) {
291 my ($key) = @_; 385 $LOCKS->guard ($_[0])
292
293 # wait, to be sure we are not locked
294 lock_wait $key;
295
296 $LOCK{$key} = [];
297
298 Coro::guard {
299 # wake up all waiters, to be on the safe side
300 $_->ready for @{ delete $LOCK{$key} };
301 }
302} 386}
303 387
304sub lock_active($) { 388sub lock_active($) {
305 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
306
307 ! ! $LOCK{$key}
308} 390}
309 391
310sub freeze_mainloop { 392sub freeze_mainloop {
311 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
312 394
313 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
314 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
315 }; 456 }
316 $TICK_WATCHER->stop; 457};
317 $guard 458
459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
318} 471}
319 472
320=item cf::async { BLOCK } 473=item cf::async { BLOCK }
321 474
322Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
327 480
328BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
329 482
330=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
331 484
332The design of Crossfire TRT requires that the main coroutine ($Coro::main) 485The design of Deliantra requires that the main coroutine ($Coro::main)
333is always able to handle events or runnable, as Crossfire TRT is only 486is always able to handle events or runnable, as Deliantra is only
334partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335acceptable. 488acceptable.
336 489
337If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
338the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
343 496
344sub sync_job(&) { 497sub sync_job(&) {
345 my ($job) = @_; 498 my ($job) = @_;
346 499
347 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
348 my $time = Event::time; 501 my $time = EV::time;
349 502
350 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
351 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
352 505
353 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
354 # (but this is cancel-safe) 507
355 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
356 509
357 my $busy = 1; 510 my $busy = 1;
358 my @res; 511 my @res;
359 512
360 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
361 @res = eval { $job->() }; 515 @res = eval { $job->() };
362 warn $@ if $@; 516 warn $@ if $@;
363 undef $busy; 517 undef $busy;
364 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
365 519
366 while ($busy) { 520 while ($busy) {
367 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
368 } 525 }
526 }
369 527
370 $time = Event::time - $time; 528 my $time = EV::time - $time;
371 529
372 LOG llevError | logBacktrace, Carp::longmess "long sync job"
373 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
376 531
377 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
378 } else { 533 } else {
379 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
380 535
405=item fork_call { }, $args 560=item fork_call { }, $args
406 561
407Executes the given code block with the given arguments in a seperate 562Executes the given code block with the given arguments in a seperate
408process, returning the results. Everything must be serialisable with 563process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may 564Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling. 565never block itself or use any form of event handling.
411 566
412=cut 567=cut
413 568
414sub fork_call(&@) { 569sub fork_call(&@) {
415 my ($cb, @args) = @_; 570 my ($cb, @args) = @_;
416 571
417# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 572 # we seemingly have to make a local copy of the whole thing,
418# or die "socketpair: $!"; 573 # otherwise perl prematurely frees the stuff :/
419 pipe my $fh1, my $fh2 574 # TODO: investigate and fix (likely this will be rather laborious)
420 or die "pipe: $!";
421 575
422 if (my $pid = fork) { 576 my @res = Coro::Util::fork_eval {
423 close $fh2;
424
425 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426 $res = Coro::Storable::thaw $res;
427
428 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430 die $$res unless "ARRAY" eq ref $res;
431
432 return wantarray ? @$res : $res->[-1];
433 } else {
434 reset_signals; 577 reset_signals;
435 local $SIG{__WARN__}; 578 &$cb
436 local $SIG{__DIE__}; 579 }, @args;
437 eval {
438 close $fh1;
439 580
440 my @res = eval { $cb->(@args) }; 581 wantarray ? @res : $res[-1]
441 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 582}
442 };
443 583
444 warn $@ if $@; 584=item $coin = coin_from_name $name
445 _exit 0; 585
446 } 586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
447} 609}
448 610
449=item $value = cf::db_get $family => $key 611=item $value = cf::db_get $family => $key
450 612
451Returns a single value from the environment database. 613Returns a single value from the environment database.
453=item cf::db_put $family => $key => $value 615=item cf::db_put $family => $key => $value
454 616
455Stores the given C<$value> in the family. It can currently store binary 617Stores the given C<$value> in the family. It can currently store binary
456data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457 619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
458=cut 625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
459 643
460our $DB; 644our $DB;
461 645
462sub db_init { 646sub db_init {
463 unless ($DB) {
464 $DB = BDB::db_create $DB_ENV;
465
466 cf::sync_job { 647 cf::sync_job {
467 eval { 648 $DB ||= db_table "db";
468 $DB->set_flags (BDB::CHKSUM);
469
470 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472 cf::cleanup "db_open(db): $!" if $!;
473 };
474 cf::cleanup "db_open(db): $@" if $@;
475 };
476 } 649 };
477} 650}
478 651
479sub db_get($$) { 652sub db_get($$) {
480 my $key = "$_[0]/$_[1]"; 653 my $key = "$_[0]/$_[1]";
481 654
531 if (1) { 704 if (1) {
532 $md5 = 705 $md5 =
533 join "\x00", 706 join "\x00",
534 $processversion, 707 $processversion,
535 map { 708 map {
536 Coro::cede; 709 cf::cede_to_tick;
537 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
538 } 0.. $#$src; 711 } 0.. $#$src;
539 712
540 713
541 my $dbmd5 = db_get cache => "$id/md5"; 714 my $dbmd5 = db_get cache => "$id/md5";
579 752
580############################################################################# 753#############################################################################
581 754
582=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
583 756
584Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
585attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
586to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
587 760
588In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
589C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
590Crossfire TRT). 763Deliantra).
591 764
592=over 4 765=over 4
593 766
594=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
595 768
639=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
640 813
641Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
642given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
643 816
644Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
645that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
646 819
647These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
648 821
649=over 4 822=over 4
847 "; 1020 ";
848 die if $@; 1021 die if $@;
849} 1022}
850 1023
851our $override; 1024our $override;
852our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853 1026
854sub override { 1027sub override {
855 $override = 1; 1028 $override = 1;
856 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
857} 1030}
858 1031
859sub do_invoke { 1032sub do_invoke {
860 my $event = shift; 1033 my $event = shift;
861 my $callbacks = shift; 1034 my $callbacks = shift;
862 1035
863 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
864 1037
865 local $override; 1038 local $override;
866 1039
867 for (@$callbacks) { 1040 for (@$callbacks) {
868 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
877 } 1050 }
878 1051
879 0 1052 0
880} 1053}
881 1054
882=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883 1056
884=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885 1058
886Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
887 1060
888This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
890results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891 1064
892=back 1065=back
893 1066
894=cut 1067=cut
895 1068
896############################################################################# 1069#############################################################################
897# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
898 1113
899sub reattach { 1114sub reattach {
900 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
901 my ($obj) = @_; 1116 my ($obj) = @_;
902 1117
1118 # no longer needed after getting rid of delete_package?
903 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904 1120
905 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
906 1122
907 @$registry = (); 1123 @$registry = ();
908 1124
923cf::attachable->attach ( 1139cf::attachable->attach (
924 prio => -1000000, 1140 prio => -1000000,
925 on_instantiate => sub { 1141 on_instantiate => sub {
926 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
927 1143
928 $data = from_json $data; 1144 $data = decode_json $data;
929 1145
930 for (@$data) { 1146 for (@$data) {
931 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
932 1148
933 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
949sub object_freezer_save { 1165sub object_freezer_save {
950 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
951 1167
952 sync_job { 1168 sync_job {
953 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
954 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
955 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
956 1173
957 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
959 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1179 aio_fsync $fh;
1180 }
961 close $fh; 1181 aio_close $fh;
962 1182
963 if (@$objs) { 1183 if (@$objs) {
964 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
966 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
968 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1190 aio_fsync $fh;
1191 }
969 close $fh; 1192 aio_close $fh;
970 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
971 } 1194 }
972 } else { 1195 } else {
973 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
974 } 1197 }
975 1198
976 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
977 } else { 1203 } else {
978 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
979 } 1205 }
980 } else { 1206 } else {
981 aio_unlink $filename; 1207 aio_unlink $filename;
982 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
983 } 1209 }
984 } 1210 };
985} 1211}
986 1212
987sub object_freezer_as_string { 1213sub object_freezer_as_string {
988 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
989 1215
1001 or return; 1227 or return;
1002 1228
1003 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
1004 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
1005 or return; 1231 or return;
1232
1006 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
1007 } 1235 }
1008 1236
1237 utf8::decode (my $decname = $filename);
1009 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
1010 $filename, length $data, scalar @{$av || []}; 1239 $decname, length $data, scalar @{$av || []};
1240
1011 return ($data, $av); 1241 ($data, $av)
1012} 1242}
1013 1243
1014=head2 COMMAND CALLBACKS 1244=head2 COMMAND CALLBACKS
1015 1245
1016=over 4 1246=over 4
1070 my ($name, $cb) = @_; 1300 my ($name, $cb) = @_;
1071 1301
1072 $EXTICMD{$name} = $cb; 1302 $EXTICMD{$name} = $cb;
1073} 1303}
1074 1304
1305use File::Glob ();
1306
1075cf::player->attach ( 1307cf::player->attach (
1076 on_command => sub { 1308 on_command => sub {
1077 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
1078 1310
1079 my $cb = $COMMAND{$name} 1311 my $cb = $COMMAND{$name}
1089 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
1090 1322
1091 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092 1324
1093 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
1094 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
1095 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
1096 $pl->ext_reply ($msg->{msgid}, %reply);
1097 }
1098 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
1099 } else { 1340 } else {
1100 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101 } 1342 }
1102 1343
1103 cf::override; 1344 cf::override;
1104 }, 1345 },
1105); 1346);
1347
1348# "readahead" all extensions
1349sub cache_extensions {
1350 my $grp = IO::AIO::aio_group;
1351
1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1353 for (grep /\.ext$/, @{$_[0]}) {
1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1355 }
1356 };
1357
1358 $grp
1359}
1106 1360
1107sub load_extensions { 1361sub load_extensions {
1108 cf::sync_job { 1362 cf::sync_job {
1109 my %todo; 1363 my %todo;
1110 1364
1130 1384
1131 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133 1387
1134 $ext{source} = 1388 $ext{source} =
1135 "package $pkg; use strict; use utf8;\n" 1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136 . "#line 1 \"$path\"\n{\n" 1390 . "#line 1 \"$path\"\n{\n"
1137 . $source 1391 . $source
1138 . "\n};\n1"; 1392 . "\n};\n1";
1139 1393
1140 $todo{$base} = \%ext; 1394 $todo{$base} = \%ext;
1156 my $msg = $@ ? "$v->{path}: $@\n" 1410 my $msg = $@ ? "$v->{path}: $@\n"
1157 : "$v->{base}: extension inactive.\n"; 1411 : "$v->{base}: extension inactive.\n";
1158 1412
1159 if (exists $v->{meta}{mandatory}) { 1413 if (exists $v->{meta}{mandatory}) {
1160 warn $msg; 1414 warn $msg;
1161 warn "mandatory extension failed to load, exiting.\n"; 1415 cf::cleanup "mandatory extension failed to load, exiting.";
1162 exit 1;
1163 } 1416 }
1164 1417
1165 warn $msg; 1418 warn $msg;
1166 } 1419 }
1167 1420
1181 1434
1182=back 1435=back
1183 1436
1184=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
1185 1438
1186Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
1187 1440
1188=cut 1441=cut
1189 1442
1190package cf::player; 1443package cf::player;
1191 1444
1192use Coro::AIO; 1445use Coro::AIO;
1193 1446
1194=head3 cf::player 1447=head3 cf::player
1195 1448
1196=over 4 1449=over 4
1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1197 1464
1198=item cf::player::find $login 1465=item cf::player::find $login
1199 1466
1200Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
1201 1468
1220 1487
1221sub exists($) { 1488sub exists($) {
1222 my ($login) = @_; 1489 my ($login) = @_;
1223 1490
1224 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1225 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1226} 1493}
1227 1494
1228sub find($) { 1495sub find($) {
1229 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1230 my $login = $_[0]; 1497 my $login = $_[0];
1237 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1241 1508
1242 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1243 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
1244 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1245 } 1518 }
1246 } 1519 }
1247} 1520}
1248 1521
1257 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1258 1531
1259 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1260 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1261 1534
1535 cf::get_slot 0.01;
1536
1262 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1263 Coro::cede; 1538 cf::cede_to_tick;
1264} 1539}
1265 1540
1266sub new($) { 1541sub new($) {
1267 my ($login) = @_; 1542 my ($login) = @_;
1268 1543
1274 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1275 1550
1276 $self 1551 $self
1277} 1552}
1278 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1279=item $pl->quit_character 1564=item $pl->quit_character
1280 1565
1281Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1282be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1283 1568
1287 my ($pl) = @_; 1572 my ($pl) = @_;
1288 1573
1289 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1290 1575
1291 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1292 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1293 1578
1294 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1296 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1297 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1298 1585
1299 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1300 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
1336 or return []; 1623 or return [];
1337 1624
1338 my @logins; 1625 my @logins;
1339 1626
1340 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1341 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1343 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1344 1637
1345 utf8::decode $login; 1638 utf8::decode $login;
1346 push @logins, $login; 1639 push @logins, $login;
1347 } 1640 }
1348 1641
1375 } 1668 }
1376 1669
1377 \@paths 1670 \@paths
1378} 1671}
1379 1672
1380=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381 1674
1382Expand crossfire pod fragments into protocol xml. 1675Expand deliantra pod fragments into protocol xml.
1383 1676
1384=cut
1385
1386sub expand_cfpod {
1387 ((my $self), (local $_)) = @_;
1388
1389 # escape & and <
1390 s/&/&amp;/g;
1391 s/(?<![BIUGH])</&lt;/g;
1392
1393 # this is buggy, it needs to properly take care of nested <'s
1394
1395 1 while
1396 # replace B<>, I<>, U<> etc.
1397 s/B<([^\>]*)>/<b>$1<\/b>/
1398 || s/I<([^\>]*)>/<i>$1<\/i>/
1399 || s/U<([^\>]*)>/<u>$1<\/u>/
1400 # replace G<male|female> tags
1401 || s{G<([^>|]*)\|([^>]*)>}{
1402 $self->gender ? $2 : $1
1403 }ge
1404 # replace H<hint text>
1405 || s{H<([^\>]*)>}
1406 {
1407 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409 "")
1410 [$self->{hintmode}]
1411 }ge;
1412
1413 # create single paragraphs (very hackish)
1414 s/(?<=\S)\n(?=\w)/ /g;
1415
1416 # compress some whitespace
1417 s/\s+\n/\n/g; # ws line-ends
1418 s/\n\n+/\n/g; # double lines
1419 s/^\n+//; # beginning lines
1420 s/\n+$//; # ending lines
1421
1422 $_
1423}
1424
1425sub hintmode {
1426 $_[0]{hintmode} = $_[1] if @_ > 1;
1427 $_[0]{hintmode}
1428}
1429
1430=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1431 1678
1432Sends an ext reply to the player. 1679Sends an ext reply to the player.
1433 1680
1434=cut 1681=cut
1435 1682
1436sub ext_reply($$%) { 1683sub ext_reply($$@) {
1437 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1438 1685
1439 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1440 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441} 1687}
1442 1688
1443=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1444 1690
1445Sends an ext event to the client. 1691Sends an ext event to the client.
1446 1692
1447=cut 1693=cut
1448 1694
1449sub ext_event($$%) { 1695sub ext_msg($$@) {
1450 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1451 1697
1452 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1453} 1699}
1454 1700
1455=head3 cf::region 1701=head3 cf::region
1456 1702
1457=over 4 1703=over 4
1470 my ($path) = @_; 1716 my ($path) = @_;
1471 1717
1472 my ($match, $specificity); 1718 my ($match, $specificity);
1473 1719
1474 for my $region (list) { 1720 for my $region (list) {
1475 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1476 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1477 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1478 } 1724 }
1479 } 1725 }
1480 1726
1501our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1502our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1503 1749
1504sub generate_random_map { 1750sub generate_random_map {
1505 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754
1506 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1507 $self->_create_random_map ( 1756 $self->_create_random_map (
1508 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1600 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1601 return $self; 1850 return $self;
1602 } 1851 }
1603 } 1852 }
1604 1853
1605 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1606 () 1855 ()
1607} 1856}
1608 1857
1609sub init { 1858sub init {
1610 my ($self) = @_; 1859 my ($self) = @_;
1632 1881
1633# the temporary/swap location 1882# the temporary/swap location
1634sub save_path { 1883sub save_path {
1635 my ($self) = @_; 1884 my ($self) = @_;
1636 1885
1637 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1639} 1888}
1640 1889
1641# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1642sub uniq_path { 1891sub uniq_path {
1643 my ($self) = @_; 1892 my ($self) = @_;
1644 1893
1645 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1647}
1648
1649# and all this just because we cannot iterate over
1650# all maps in C++...
1651sub change_all_map_light {
1652 my ($change) = @_;
1653
1654 $_->change_map_light ($change)
1655 for grep $_->outdoor, values %cf::MAP;
1656} 1896}
1657 1897
1658sub decay_objects { 1898sub decay_objects {
1659 my ($self) = @_; 1899 my ($self) = @_;
1660 1900
1673 1913
1674sub load_header_from($) { 1914sub load_header_from($) {
1675 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1676 1916
1677 utf8::encode $path; 1917 utf8::encode $path;
1678 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1679 # or return;
1680
1681 $self->_load_header ($path)
1682 or return; 1919 or return;
1920
1921 $self->_load_header ($f)
1922 or return;
1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1683 1926
1684 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1685 1928
1686 1 1929 1
1687} 1930}
1741sub find { 1984sub find {
1742 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1743 1986
1744 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1745 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1747 1991
1748 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1749 my $guard = cf::lock_acquire "map_find:$path";
1750 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1751 or return; 1994 or return;
1752 1995
1753 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1754 1997
1756 or return; 1999 or return;
1757 2000
1758 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1760 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1761 $map->reset; 2006 $map->reset;
1762 undef $guard;
1763 return find $path; 2007 return find $path;
1764 } 2008 }
1765 2009
1766 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1767 } 2011 }
1776 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1777 2021
1778 my $path = $self->{path}; 2022 my $path = $self->{path};
1779 2023
1780 { 2024 {
1781 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1782 2026
2027 return unless $self->valid;
1783 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1784 2029
1785 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1786 2031
1787 $self->alloc; 2032 $self->alloc;
1788 2033
1789 $self->pre_load; 2034 $self->pre_load;
1790 Coro::cede; 2035 cf::cede_to_tick;
1791 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1792 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1793 or return; 2040 or return;
1794 2041
1795 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1796 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1797 2044
1798 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1799 utf8::encode $uniq; 2046 utf8::encode $uniq;
1800 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1801 $self->clear_unique_items; 2049 $self->clear_unique_items;
1802 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1803 } 2053 }
1804 } 2054 }
1805 2055
1806 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1807 # now do the right thing for maps 2059 # now do the right thing for maps
1808 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1809 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1810 unless $self->difficulty; 2062 unless $self->difficulty;
1811 Coro::cede; 2063 cf::cede_to_tick;
1812 2064
1813 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1814 $self->decay_objects; 2066 $self->decay_objects;
1815 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1816 $self->update_buttons; 2068 $self->update_buttons;
1817 Coro::cede; 2069 cf::cede_to_tick;
1818 $self->set_darkness_map;
1819 Coro::cede;
1820 $self->activate; 2070 $self->activate;
1821 } 2071 }
1822 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1823 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1824 } 2077 }
1825 2078
1826 $self->post_load; 2079 $self->post_load;
1827} 2080}
1828 2081
1837 2090
1838 $self 2091 $self
1839} 2092}
1840 2093
1841# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1842sub load_diag { 2095sub load_neighbours {
1843 my ($map) = @_; 2096 my ($map) = @_;
1844 2097
1845 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1846 2099
1847 for (0 .. 3) { 2100 for (0 .. 3) {
1848 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1849 or next; 2102 or next;
1850 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1851 or next; 2104 or next;
1852 $neigh->load; 2105 $neigh->load;
1853 2106
2107 push @neigh,
1854 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1856 } 2110 }
1857 2111
1858 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1859 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1860 or next; 2115 or next;
1861 $neigh->load; 2116 $neigh->load;
1862 } 2117 }
1863} 2118}
1864 2119
1869} 2124}
1870 2125
1871sub do_load_sync { 2126sub do_load_sync {
1872 my ($map) = @_; 2127 my ($map) = @_;
1873 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1874 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1875} 2133}
1876 2134
1877our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1878our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1879 2137
1880sub find_async { 2138sub find_async {
1881 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1882 2140
1883 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1884 2142
1885 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1886 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887 } 2145 }
1888 2146
1889 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1890 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1891 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1892 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1893 my $map = find $path 2154 if (my $map = find $k) {
1894 or next;
1895 $map->load; 2155 $map->load if $v;
2156 }
1896 2157
1897 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1898 } 2159 }
1899 } 2160 }
1900 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1901 }; 2162 };
1902 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
1905} 2166}
1906 2167
1907sub save { 2168sub save {
1908 my ($self) = @_; 2169 my ($self) = @_;
1909 2170
1910 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1911 2172
1912 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1913 2174
1914 return unless $self->dirty; 2175 return unless $self->dirty;
1915 2176
1921 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1922 2183
1923 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1924 2185
1925 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1926 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1927 }; 2189 };
2190
2191 cf::get_slot 0.02;
1928 2192
1929 if ($uniq) { 2193 if ($uniq) {
1930 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1932 } else { 2196 } else {
1938 my ($self) = @_; 2202 my ($self) = @_;
1939 2203
1940 # save first because save cedes 2204 # save first because save cedes
1941 $self->save; 2205 $self->save;
1942 2206
1943 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1944 2208
1945 return if $self->players; 2209 return if $self->players;
1946 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1947 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1948 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1949 $self->clear; 2217 $self->clear;
1950 $self->in_memory (cf::MAP_SWAPPED);
1951} 2218}
1952 2219
1953sub reset_at { 2220sub reset_at {
1954 my ($self) = @_; 2221 my ($self) = @_;
1955 2222
1973 2240
1974 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1975 2242
1976 return if $self->players; 2243 return if $self->players;
1977 2244
1978 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
1979 2246
1980 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1981 2248
1982 # need to save uniques path 2249 # need to save uniques path
1983 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
1987 if $uniq; 2254 if $uniq;
1988 } 2255 }
1989 2256
1990 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1991 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1992 $self->clear; 2261 $self->clear;
1993
1994 $_->clear_links_to ($self) for values %cf::MAP;
1995 2262
1996 $self->unlink_save; 2263 $self->unlink_save;
1997 $self->destroy; 2264 $self->destroy;
1998} 2265}
1999 2266
2000my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
2001 2268
2002sub nuke { 2269sub nuke {
2003 my ($self) = @_; 2270 my ($self) = @_;
2004 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
2005 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
2006 2276
2007 $self->unlink_save; 2277 $self->unlink_save;
2008 2278
2009 bless $self, "cf::map"; 2279 bless $self, "cf::map";
2010 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
2011 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
2012 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
2013 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014 2284
2015 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
2016 2287
2017 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
2018} 2289}
2019 2290
2020=item $maps = cf::map::tmp_maps 2291=item $maps = cf::map::tmp_maps
2062 2333
2063sub unique_maps() { 2334sub unique_maps() {
2064 [ 2335 [
2065 map { 2336 map {
2066 utf8::decode $_; 2337 utf8::decode $_;
2067 /\.map$/ 2338 s/\.map$//; # TODO future compatibility hack
2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2340 ? ()
2068 ? normalise $_ 2341 : normalise $_
2069 : ()
2070 } @{ aio_readdir $UNIQUEDIR or [] } 2342 } @{ aio_readdir $UNIQUEDIR or [] }
2071 ] 2343 ]
2072} 2344}
2073 2345
2074package cf;
2075
2076=back 2346=back
2077 2347
2078=head3 cf::object 2348=head3 cf::object
2079 2349
2080=cut 2350=cut
2083 2353
2084=over 4 2354=over 4
2085 2355
2086=item $ob->inv_recursive 2356=item $ob->inv_recursive
2087 2357
2088Returns the inventory of the object _and_ their inventories, recursively. 2358Returns the inventory of the object I<and> their inventories, recursively,
2359but I<not> the object itself.
2089 2360
2090=cut 2361=cut
2091 2362
2092sub inv_recursive_; 2363sub inv_recursive_;
2093sub inv_recursive_ { 2364sub inv_recursive_ {
2096 2367
2097sub inv_recursive { 2368sub inv_recursive {
2098 inv_recursive_ inv $_[0] 2369 inv_recursive_ inv $_[0]
2099} 2370}
2100 2371
2372=item $ref = $ob->ref
2373
2374Creates and returns a persistent reference to an object that can be stored as a string.
2375
2376=item $ob = cf::object::deref ($refstring)
2377
2378returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2379even if the object actually exists. May block.
2380
2381=cut
2382
2383sub deref {
2384 my ($ref) = @_;
2385
2386 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2387 my ($uuid, $name) = ($1, $2);
2388 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2389 or return;
2390 $pl->ob->uuid eq $uuid
2391 or return;
2392
2393 $pl->ob
2394 } else {
2395 warn "$ref: cannot resolve object reference\n";
2396 undef
2397 }
2398}
2399
2101package cf; 2400package cf;
2102 2401
2103=back 2402=back
2104 2403
2105=head3 cf::object::player 2404=head3 cf::object::player
2111Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2410Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112can be C<undef>. Does the right thing when the player is currently in a 2411can be C<undef>. Does the right thing when the player is currently in a
2113dialogue with the given NPC character. 2412dialogue with the given NPC character.
2114 2413
2115=cut 2414=cut
2415
2416our $SAY_CHANNEL = {
2417 id => "say",
2418 title => "Map",
2419 reply => "say ",
2420 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2421};
2422
2423our $CHAT_CHANNEL = {
2424 id => "chat",
2425 title => "Chat",
2426 reply => "chat ",
2427 tooltip => "Player chat and shouts, global to the server.",
2428};
2116 2429
2117# rough implementation of a future "reply" method that works 2430# rough implementation of a future "reply" method that works
2118# with dialog boxes. 2431# with dialog boxes.
2119#TODO: the first argument must go, split into a $npc->reply_to ( method 2432#TODO: the first argument must go, split into a $npc->reply_to ( method
2120sub cf::object::player::reply($$$;$) { 2433sub cf::object::player::reply($$$;$) {
2127 2440
2128 } else { 2441 } else {
2129 my $pl = $self->contr; 2442 my $pl = $self->contr;
2130 2443
2131 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2444 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132 my $diag = $pl->{npc_dialog}; 2445 my $dialog = $pl->{npc_dialog};
2133 $diag->{pl}->ext_reply ( 2446 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134 $diag->{id},
2135 msgtype => "reply",
2136 msg => $diag->{pl}->expand_cfpod ($msg),
2137 add_topics => []
2138 );
2139 2447
2140 } else { 2448 } else {
2141 $msg = $npc->name . " says: $msg" if $npc; 2449 $msg = $npc->name . " says: $msg" if $npc;
2142 $self->message ($msg, $flags); 2450 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143 } 2451 }
2144 } 2452 }
2453}
2454
2455=item $object->send_msg ($channel, $msg, $color, [extra...])
2456
2457=cut
2458
2459sub cf::object::send_msg {
2460 my $pl = shift->contr
2461 or return;
2462 $pl->send_msg (@_);
2145} 2463}
2146 2464
2147=item $player_object->may ("access") 2465=item $player_object->may ("access")
2148 2466
2149Returns wether the given player is authorized to access resource "access" 2467Returns wether the given player is authorized to access resource "access"
2162 2480
2163=item $player_object->enter_link 2481=item $player_object->enter_link
2164 2482
2165Freezes the player and moves him/her to a special map (C<{link}>). 2483Freezes the player and moves him/her to a special map (C<{link}>).
2166 2484
2167The player should be reasonably safe there for short amounts of time. You 2485The player should be reasonably safe there for short amounts of time (e.g.
2168I<MUST> call C<leave_link> as soon as possible, though. 2486for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2487though, as the palyer cannot control the character while it is on the link
2488map.
2169 2489
2170Will never block. 2490Will never block.
2171 2491
2172=item $player_object->leave_link ($map, $x, $y) 2492=item $player_object->leave_link ($map, $x, $y)
2173 2493
2228 # use -1 or undef as default coordinates, not 0, 0 2548 # use -1 or undef as default coordinates, not 0, 0
2229 ($x, $y) = ($map->enter_x, $map->enter_y) 2549 ($x, $y) = ($map->enter_x, $map->enter_y)
2230 if $x <=0 && $y <= 0; 2550 if $x <=0 && $y <= 0;
2231 2551
2232 $map->load; 2552 $map->load;
2233 $map->load_diag; 2553 $map->load_neighbours;
2234 2554
2235 return unless $self->contr->active; 2555 return unless $self->contr->active;
2236 $self->activate_recursive;
2237 2556
2238 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
2240}
2241 2559
2560 # only activate afterwards, to support waiting in hooks
2561 $self->activate_recursive;
2562}
2563
2242=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243 2565
2244Moves the player to the given map-path and coordinates by first freezing 2566Moves the player to the given map-path and coordinates by first freezing
2245her, loading and preparing them map, calling the provided $check callback 2567her, loading and preparing them map, calling the provided $check callback
2246that has to return the map if sucecssful, and then unfreezes the player on 2568that has to return the map if sucecssful, and then unfreezes the player on
2247the new (success) or old (failed) map position. 2569the new (success) or old (failed) map position. In either case, $done will
2570be called at the end of this process.
2571
2572Note that $check will be called with a potentially non-loaded map, so if
2573it needs a loaded map it has to call C<< ->load >>.
2248 2574
2249=cut 2575=cut
2250 2576
2251our $GOTOGEN; 2577our $GOTOGEN;
2252 2578
2253sub cf::object::player::goto { 2579sub cf::object::player::goto {
2254 my ($self, $path, $x, $y, $check) = @_; 2580 my ($self, $path, $x, $y, $check, $done) = @_;
2255 2581
2256 # do generation counting so two concurrent goto's will be executed in-order 2582 # do generation counting so two concurrent goto's will be executed in-order
2257 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2583 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258 2584
2259 $self->enter_link; 2585 $self->enter_link;
2260 2586
2261 (async { 2587 (async {
2588 $Coro::current->{desc} = "player::goto $path $x $y";
2589
2590 # *tag paths override both path and x|y
2591 if ($path =~ /^\*(.*)$/) {
2592 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2593 my $ob = $obs[rand @obs];
2594
2595 # see if we actually can go there
2596 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2597 $ob = $obs[rand @obs];
2598 } else {
2599 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2600 }
2601 # else put us there anyways for now #d#
2602
2603 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2604 } else {
2605 ($path, $x, $y) = (undef, undef, undef);
2606 }
2607 }
2608
2262 my $map = eval { 2609 my $map = eval {
2263 my $map = cf::map::find $path; 2610 my $map = defined $path ? cf::map::find $path : undef;
2264 2611
2265 if ($map) { 2612 if ($map) {
2266 $map = $map->customise_for ($self); 2613 $map = $map->customise_for ($self);
2267 $map = $check->($map) if $check && $map; 2614 $map = $check->($map) if $check && $map;
2268 } else { 2615 } else {
2269 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2616 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270 } 2617 }
2271 2618
2272 $map 2619 $map
2273 }; 2620 };
2274 2621
2279 2626
2280 if ($gen == $self->{_goto_generation}) { 2627 if ($gen == $self->{_goto_generation}) {
2281 delete $self->{_goto_generation}; 2628 delete $self->{_goto_generation};
2282 $self->leave_link ($map, $x, $y); 2629 $self->leave_link ($map, $x, $y);
2283 } 2630 }
2631
2632 $done->() if $done;
2284 })->prio (1); 2633 })->prio (1);
2285} 2634}
2286 2635
2287=item $player_object->enter_exit ($exit_object) 2636=item $player_object->enter_exit ($exit_object)
2288 2637
2308} 2657}
2309 2658
2310sub prepare_random_map { 2659sub prepare_random_map {
2311 my ($exit) = @_; 2660 my ($exit) = @_;
2312 2661
2313 my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315 # all this does is basically replace the /! path by 2662 # all this does is basically replace the /! path by
2316 # a new random map path (?random/...) with a seed 2663 # a new random map path (?random/...) with a seed
2317 # that depends on the exit object 2664 # that depends on the exit object
2318 2665
2319 my $rmp = parse_random_map_params $exit->msg; 2666 my $rmp = parse_random_map_params $exit->msg;
2321 if ($exit->map) { 2668 if ($exit->map) {
2322 $rmp->{region} = $exit->region->name; 2669 $rmp->{region} = $exit->region->name;
2323 $rmp->{origin_map} = $exit->map->path; 2670 $rmp->{origin_map} = $exit->map->path;
2324 $rmp->{origin_x} = $exit->x; 2671 $rmp->{origin_x} = $exit->x;
2325 $rmp->{origin_y} = $exit->y; 2672 $rmp->{origin_y} = $exit->y;
2673
2674 $exit->map->touch;
2326 } 2675 }
2327 2676
2328 $rmp->{random_seed} ||= $exit->random_seed; 2677 $rmp->{random_seed} ||= $exit->random_seed;
2329 2678
2330 my $data = cf::to_json $rmp; 2679 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331 my $md5 = Digest::MD5::md5_hex $data; 2680 my $md5 = Digest::MD5::md5_hex $data;
2332 my $meta = "$RANDOMDIR/$md5.meta"; 2681 my $meta = "$RANDOMDIR/$md5.meta";
2333 2682
2334 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2683 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335 aio_write $fh, 0, (length $data), $data, 0; 2684 aio_write $fh, 0, (length $data), $data, 0;
2336 undef $fh; 2685 undef $fh;
2337 aio_rename "$meta~", $meta; 2686 aio_rename "$meta~", $meta;
2338 2687
2688 my $slaying = "?random/$md5";
2689
2690 if ($exit->valid) {
2339 $exit->slaying ("?random/$md5"); 2691 $exit->slaying ("?random/$md5");
2340 $exit->msg (undef); 2692 $exit->msg (undef);
2693 }
2341 } 2694 }
2342} 2695}
2343 2696
2344sub cf::object::player::enter_exit { 2697sub cf::object::player::enter_exit {
2345 my ($self, $exit) = @_; 2698 my ($self, $exit) = @_;
2346 2699
2347 return unless $self->type == cf::PLAYER; 2700 return unless $self->type == cf::PLAYER;
2348 2701
2349 if ($exit->slaying eq "/!") {
2350 #TODO: this should de-fi-ni-te-ly not be a sync-job
2351 # the problem is that $exit might not survive long enough
2352 # so it needs to be done right now, right here
2353 cf::sync_job { prepare_random_map $exit };
2354 }
2355
2356 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357 my $hp = $exit->stats->hp;
2358 my $sp = $exit->stats->sp;
2359
2360 $self->enter_link; 2702 $self->enter_link;
2361 2703
2362 # if exit is damned, update players death & WoR home-position
2363 $self->contr->savebed ($slaying, $hp, $sp)
2364 if $exit->flag (FLAG_DAMNED);
2365
2366 (async { 2704 (async {
2367 $self->deactivate_recursive; # just to be sure 2705 $Coro::current->{desc} = "enter_exit";
2706
2368 unless (eval { 2707 unless (eval {
2708 $self->deactivate_recursive; # just to be sure
2709
2710 # random map handling
2711 {
2712 my $guard = cf::lock_acquire "exit_prepare:$exit";
2713
2714 prepare_random_map $exit
2715 if $exit->slaying eq "/!";
2716 }
2717
2718 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2719 my $x = $exit->stats->hp;
2720 my $y = $exit->stats->sp;
2721
2369 $self->goto ($slaying, $hp, $sp); 2722 $self->goto ($map, $x, $y);
2370 2723
2724 # if exit is damned, update players death & WoR home-position
2725 $self->contr->savebed ($map, $x, $y)
2726 if $exit->flag (cf::FLAG_DAMNED);
2727
2371 1; 2728 1
2372 }) { 2729 }) {
2373 $self->message ("Something went wrong deep within the crossfire server. " 2730 $self->message ("Something went wrong deep within the deliantra server. "
2374 . "I'll try to bring you back to the map you were before. " 2731 . "I'll try to bring you back to the map you were before. "
2375 . "Please report this to the dungeon master!", 2732 . "Please report this to the dungeon master!",
2376 cf::NDI_UNIQUE | cf::NDI_RED); 2733 cf::NDI_UNIQUE | cf::NDI_RED);
2377 2734
2378 warn "ERROR in enter_exit: $@"; 2735 warn "ERROR in enter_exit: $@";
2397 2754
2398 utf8::encode $text; 2755 utf8::encode $text;
2399 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2756 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400} 2757}
2401 2758
2402=item $client->send_msg ($color, $type, $msg, [extra...]) 2759=item $client->send_msg ($channel, $msg, $color, [extra...])
2403 2760
2404Send a drawinfo or msg packet to the client, formatting the msg for the 2761Send a drawinfo or msg packet to the client, formatting the msg for the
2405client if neccessary. C<$type> should be a string identifying the type of 2762client if neccessary. C<$type> should be a string identifying the type of
2406the message, with C<log> being the default. If C<$color> is negative, suppress 2763the message, with C<log> being the default. If C<$color> is negative, suppress
2407the message unless the client supports the msg packet. 2764the message unless the client supports the msg packet.
2408 2765
2409=cut 2766=cut
2410 2767
2768# non-persistent channels (usually the info channel)
2769our %CHANNEL = (
2770 "c/motd" => {
2771 id => "infobox",
2772 title => "MOTD",
2773 reply => undef,
2774 tooltip => "The message of the day",
2775 },
2776 "c/identify" => {
2777 id => "infobox",
2778 title => "Identify",
2779 reply => undef,
2780 tooltip => "Items recently identified",
2781 },
2782 "c/examine" => {
2783 id => "infobox",
2784 title => "Examine",
2785 reply => undef,
2786 tooltip => "Signs and other items you examined",
2787 },
2788 "c/book" => {
2789 id => "infobox",
2790 title => "Book",
2791 reply => undef,
2792 tooltip => "The contents of a note or book",
2793 },
2794 "c/lookat" => {
2795 id => "infobox",
2796 title => "Look",
2797 reply => undef,
2798 tooltip => "What you saw there",
2799 },
2800 "c/who" => {
2801 id => "infobox",
2802 title => "Players",
2803 reply => undef,
2804 tooltip => "Shows players who are currently online",
2805 },
2806 "c/body" => {
2807 id => "infobox",
2808 title => "Body Parts",
2809 reply => undef,
2810 tooltip => "Shows which body parts you posess and are available",
2811 },
2812 "c/statistics" => {
2813 id => "infobox",
2814 title => "Statistics",
2815 reply => undef,
2816 tooltip => "Shows your primary statistics",
2817 },
2818 "c/skills" => {
2819 id => "infobox",
2820 title => "Skills",
2821 reply => undef,
2822 tooltip => "Shows your experience per skill and item power",
2823 },
2824 "c/shopitems" => {
2825 id => "infobox",
2826 title => "Shop Items",
2827 reply => undef,
2828 tooltip => "Shows the items currently for sale in this shop",
2829 },
2830 "c/resistances" => {
2831 id => "infobox",
2832 title => "Resistances",
2833 reply => undef,
2834 tooltip => "Shows your resistances",
2835 },
2836 "c/pets" => {
2837 id => "infobox",
2838 title => "Pets",
2839 reply => undef,
2840 tooltip => "Shows information abotu your pets/a specific pet",
2841 },
2842 "c/perceiveself" => {
2843 id => "infobox",
2844 title => "Perceive Self",
2845 reply => undef,
2846 tooltip => "You gained detailed knowledge about yourself",
2847 },
2848 "c/uptime" => {
2849 id => "infobox",
2850 title => "Uptime",
2851 reply => undef,
2852 tooltip => "How long the server has been running since last restart",
2853 },
2854 "c/mapinfo" => {
2855 id => "infobox",
2856 title => "Map Info",
2857 reply => undef,
2858 tooltip => "Information related to the maps",
2859 },
2860 "c/party" => {
2861 id => "party",
2862 title => "Party",
2863 reply => "gsay ",
2864 tooltip => "Messages and chat related to your party",
2865 },
2866 "c/death" => {
2867 id => "death",
2868 title => "Death",
2869 reply => undef,
2870 tooltip => "Reason for and more info about your most recent death",
2871 },
2872 "c/say" => $SAY_CHANNEL,
2873 "c/chat" => $CHAT_CHANNEL,
2874);
2875
2411sub cf::client::send_msg { 2876sub cf::client::send_msg {
2412 my ($self, $color, $type, $msg, @extra) = @_; 2877 my ($self, $channel, $msg, $color, @extra) = @_;
2413 2878
2414 $msg = $self->pl->expand_cfpod ($msg); 2879 $msg = $self->pl->expand_cfpod ($msg)
2880 unless $color & cf::NDI_VERBATIM;
2881
2882 $color &= cf::NDI_CLIENT_MASK; # just in case...
2883
2884 # check predefined channels, for the benefit of C
2885 if ($CHANNEL{$channel}) {
2886 $channel = $CHANNEL{$channel};
2887
2888 $self->ext_msg (channel_info => $channel);
2889 $channel = $channel->{id};
2890
2891 } elsif (ref $channel) {
2892 # send meta info to client, if not yet sent
2893 unless (exists $self->{channel}{$channel->{id}}) {
2894 $self->{channel}{$channel->{id}} = $channel;
2895 $self->ext_msg (channel_info => $channel);
2896 }
2897
2898 $channel = $channel->{id};
2899 }
2415 2900
2416 return unless @extra || length $msg; 2901 return unless @extra || length $msg;
2417 2902
2418 if ($self->can_msg) { 2903 # default colour, mask it out
2419 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420 } else { 2905 if $color & cf::NDI_DEF;
2421 # replace some tags by gcfclient-compatible ones
2422 for ($msg) {
2423 1 while
2424 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429 }
2430 2906
2431 if ($color >= 0) { 2907 my $pkt = "msg "
2432 if (0 && $msg =~ /\[/) { 2908 . $self->{json_coder}->encode (
2433 $self->send_packet ("drawextinfo $color 4 0 $msg") 2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434 } else { 2910 );
2435 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436 $self->send_packet ("drawinfo $color $msg")
2437 }
2438 }
2439 }
2440}
2441 2911
2912 # try lzf for large packets
2913 $pkt = "lzf " . Compress::LZF::compress $pkt
2914 if 1024 <= length $pkt and $self->{can_lzf};
2915
2916 # split very large packets
2917 if (8192 < length $pkt and $self->{can_lzf}) {
2918 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2919 $pkt = "frag";
2920 }
2921
2922 $self->send_packet ($pkt);
2923}
2924
2442=item $client->ext_event ($type, %msg) 2925=item $client->ext_msg ($type, @msg)
2443 2926
2444Sends an ext event to the client. 2927Sends an ext event to the client.
2445 2928
2446=cut 2929=cut
2447 2930
2448sub cf::client::ext_event($$%) { 2931sub cf::client::ext_msg($$@) {
2449 my ($self, $type, %msg) = @_; 2932 my ($self, $type, @msg) = @_;
2450 2933
2934 if ($self->extcmd == 2) {
2935 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2936 } elsif ($self->extcmd == 1) { # TODO: remove
2451 $msg{msgtype} = "event_$type"; 2937 push @msg, msgtype => "event_$type";
2452 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 2938 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2939 }
2940}
2941
2942=item $client->ext_reply ($msgid, @msg)
2943
2944Sends an ext reply to the client.
2945
2946=cut
2947
2948sub cf::client::ext_reply($$@) {
2949 my ($self, $id, @msg) = @_;
2950
2951 if ($self->extcmd == 2) {
2952 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2953 } elsif ($self->extcmd == 1) {
2954 #TODO: version 1, remove
2955 unshift @msg, msgtype => "reply", msgid => $id;
2956 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2957 }
2453} 2958}
2454 2959
2455=item $success = $client->query ($flags, "text", \&cb) 2960=item $success = $client->query ($flags, "text", \&cb)
2456 2961
2457Queues a query to the client, calling the given callback with 2962Queues a query to the client, calling the given callback with
2512 my ($ns, $buf) = @_; 3017 my ($ns, $buf) = @_;
2513 3018
2514 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3019 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515 3020
2516 if (ref $msg) { 3021 if (ref $msg) {
3022 my ($type, $reply, @payload) =
3023 "ARRAY" eq ref $msg
3024 ? @$msg
3025 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3026
3027 my @reply;
3028
2517 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3029 if (my $cb = $EXTICMD{$type}) {
2518 if (my %reply = $cb->($ns, $msg)) { 3030 @reply = $cb->($ns, @payload);
2519 $reply{msgid} = $msg->{msgid};
2520 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521 }
2522 } 3031 }
3032
3033 $ns->ext_reply ($reply, @reply)
3034 if $reply;
3035
2523 } else { 3036 } else {
2524 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3037 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525 } 3038 }
2526 3039
2527 cf::override; 3040 cf::override;
2574our $safe = new Safe "safe"; 3087our $safe = new Safe "safe";
2575our $safe_hole = new Safe::Hole; 3088our $safe_hole = new Safe::Hole;
2576 3089
2577$SIG{FPE} = 'IGNORE'; 3090$SIG{FPE} = 'IGNORE';
2578 3091
2579$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3092$safe->permit_only (Opcode::opset qw(
3093 :base_core :base_mem :base_orig :base_math
3094 grepstart grepwhile mapstart mapwhile
3095 sort time
3096));
2580 3097
2581# here we export the classes and methods available to script code 3098# here we export the classes and methods available to script code
2582 3099
2583=pod 3100=pod
2584 3101
2585The following functions and methods are available within a safe environment: 3102The following functions and methods are available within a safe environment:
2586 3103
2587 cf::object contr pay_amount pay_player map 3104 cf::object
3105 contr pay_amount pay_player map x y force_find force_add destroy
3106 insert remove name archname title slaying race decrease split
3107 value
3108
2588 cf::object::player player 3109 cf::object::player
2589 cf::player peaceful 3110 player
2590 cf::map trigger 3111
3112 cf::player
3113 peaceful
3114
3115 cf::map
3116 trigger
2591 3117
2592=cut 3118=cut
2593 3119
2594for ( 3120for (
2595 ["cf::object" => qw(contr pay_amount pay_player map)], 3121 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3122 insert remove inv nrof name archname title slaying race
3123 decrease split destroy change_exp value msg lore send_msg)],
2596 ["cf::object::player" => qw(player)], 3124 ["cf::object::player" => qw(player)],
2597 ["cf::player" => qw(peaceful)], 3125 ["cf::player" => qw(peaceful send_msg)],
2598 ["cf::map" => qw(trigger)], 3126 ["cf::map" => qw(trigger)],
2599) { 3127) {
2600 no strict 'refs'; 3128 no strict 'refs';
2601 my ($pkg, @funs) = @$_; 3129 my ($pkg, @funs) = @$_;
2602 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3130 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2619 my ($code, %vars) = @_; 3147 my ($code, %vars) = @_;
2620 3148
2621 my $qcode = $code; 3149 my $qcode = $code;
2622 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3150 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2623 $qcode =~ s/\n/\\n/g; 3151 $qcode =~ s/\n/\\n/g;
3152
3153 %vars = (_dummy => 0) unless %vars;
2624 3154
2625 local $_; 3155 local $_;
2626 local @safe::cf::_safe_eval_args = values %vars; 3156 local @safe::cf::_safe_eval_args = values %vars;
2627 3157
2628 my $eval = 3158 my $eval =
2676# the server's init and main functions 3206# the server's init and main functions
2677 3207
2678sub load_facedata($) { 3208sub load_facedata($) {
2679 my ($path) = @_; 3209 my ($path) = @_;
2680 3210
3211 # HACK to clear player env face cache, we need some signal framework
3212 # for this (global event?)
3213 %ext::player_env::MUSIC_FACE_CACHE = ();
3214
3215 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3216
2681 warn "loading facedata from $path\n"; 3217 warn "loading facedata from $path\n";
2682 3218
2683 my $facedata; 3219 my $facedata;
2684 0 < aio_load $path, $facedata 3220 0 < aio_load $path, $facedata
2685 or die "$path: $!"; 3221 or die "$path: $!";
2687 $facedata = Coro::Storable::thaw $facedata; 3223 $facedata = Coro::Storable::thaw $facedata;
2688 3224
2689 $facedata->{version} == 2 3225 $facedata->{version} == 2
2690 or cf::cleanup "$path: version mismatch, cannot proceed."; 3226 or cf::cleanup "$path: version mismatch, cannot proceed.";
2691 3227
3228 # patch in the exptable
3229 $facedata->{resource}{"res/exp_table"} = {
3230 type => FT_RSRC,
3231 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3232 };
3233 cf::cede_to_tick;
3234
2692 { 3235 {
2693 my $faces = $facedata->{faceinfo}; 3236 my $faces = $facedata->{faceinfo};
2694 3237
2695 while (my ($face, $info) = each %$faces) { 3238 while (my ($face, $info) = each %$faces) {
2696 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3239 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3240
2697 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3241 cf::face::set_visibility $idx, $info->{visibility};
3242 cf::face::set_magicmap $idx, $info->{magicmap};
2698 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3243 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2699 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3244 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2700 Coro::cede; 3245
3246 cf::cede_to_tick;
2701 } 3247 }
2702 3248
2703 while (my ($face, $info) = each %$faces) { 3249 while (my ($face, $info) = each %$faces) {
2704 next unless $info->{smooth}; 3250 next unless $info->{smooth};
3251
2705 my $idx = cf::face::find $face 3252 my $idx = cf::face::find $face
2706 or next; 3253 or next;
3254
2707 if (my $smooth = cf::face::find $info->{smooth}) { 3255 if (my $smooth = cf::face::find $info->{smooth}) {
3256 cf::face::set_smooth $idx, $smooth;
2708 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3257 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2709 } else { 3258 } else {
2710 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3259 warn "smooth face '$info->{smooth}' not found for face '$face'";
2711 } 3260 }
2712 Coro::cede; 3261
3262 cf::cede_to_tick;
2713 } 3263 }
2714 } 3264 }
2715 3265
2716 { 3266 {
2717 my $anims = $facedata->{animinfo}; 3267 my $anims = $facedata->{animinfo};
2718 3268
2719 while (my ($anim, $info) = each %$anims) { 3269 while (my ($anim, $info) = each %$anims) {
2720 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3270 cf::anim::set $anim, $info->{frames}, $info->{facings};
2721 Coro::cede; 3271 cf::cede_to_tick;
2722 } 3272 }
2723 3273
2724 cf::anim::invalidate_all; # d'oh 3274 cf::anim::invalidate_all; # d'oh
2725 } 3275 }
2726 3276
3277 {
3278 # TODO: for gcfclient pleasure, we should give resources
3279 # that gcfclient doesn't grok a >10000 face index.
3280 my $res = $facedata->{resource};
3281
3282 while (my ($name, $info) = each %$res) {
3283 if (defined $info->{type}) {
3284 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3285 my $data;
3286
3287 if ($info->{type} & 1) {
3288 # prepend meta info
3289
3290 my $meta = $enc->encode ({
3291 name => $name,
3292 %{ $info->{meta} || {} },
3293 });
3294
3295 $data = pack "(w/a*)*", $meta, $info->{data};
3296 } else {
3297 $data = $info->{data};
3298 }
3299
3300 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3301 cf::face::set_type $idx, $info->{type};
3302 } else {
3303 $RESOURCE{$name} = $info;
3304 }
3305
3306 cf::cede_to_tick;
3307 }
3308 }
3309
3310 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3311
2727 1 3312 1
2728} 3313}
2729 3314
3315cf::global->attach (on_resource_update => sub {
3316 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3317 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3318
3319 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3320 my $sound = $soundconf->{compat}[$_]
3321 or next;
3322
3323 my $face = cf::face::find "sound/$sound->[1]";
3324 cf::sound::set $sound->[0] => $face;
3325 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3326 }
3327
3328 while (my ($k, $v) = each %{$soundconf->{event}}) {
3329 my $face = cf::face::find "sound/$v";
3330 cf::sound::set $k => $face;
3331 }
3332 }
3333});
3334
3335register_exticmd fx_want => sub {
3336 my ($ns, $want) = @_;
3337
3338 while (my ($k, $v) = each %$want) {
3339 $ns->fx_want ($k, $v);
3340 }
3341};
3342
3343sub load_resource_file($) {
3344 my $guard = lock_acquire "load_resource_file";
3345
3346 my $status = load_resource_file_ $_[0];
3347 get_slot 0.1, 100;
3348 cf::arch::commit_load;
3349
3350 $status
3351}
3352
2730sub reload_regions { 3353sub reload_regions {
3354 # HACK to clear player env face cache, we need some signal framework
3355 # for this (global event?)
3356 %ext::player_env::MUSIC_FACE_CACHE = ();
3357
2731 load_resource_file "$MAPDIR/regions" 3358 load_resource_file "$MAPDIR/regions"
2732 or die "unable to load regions file\n"; 3359 or die "unable to load regions file\n";
3360
3361 for (cf::region::list) {
3362 $_->{match} = qr/$_->{match}/
3363 if exists $_->{match};
3364 }
2733} 3365}
2734 3366
2735sub reload_facedata { 3367sub reload_facedata {
2736 load_facedata "$DATADIR/facedata" 3368 load_facedata "$DATADIR/facedata"
2737 or die "unable to load facedata\n"; 3369 or die "unable to load facedata\n";
2738} 3370}
2739 3371
2740sub reload_archetypes { 3372sub reload_archetypes {
2741 load_resource_file "$DATADIR/archetypes" 3373 load_resource_file "$DATADIR/archetypes"
2742 or die "unable to load archetypes\n"; 3374 or die "unable to load archetypes\n";
2743 #d# NEED to laod twice to resolve forward references
2744 # this really needs to be done in an extra post-pass
2745 # (which needs to be synchronous, so solve it differently)
2746 load_resource_file "$DATADIR/archetypes"
2747 or die "unable to load archetypes\n";
2748} 3375}
2749 3376
2750sub reload_treasures { 3377sub reload_treasures {
2751 load_resource_file "$DATADIR/treasures" 3378 load_resource_file "$DATADIR/treasures"
2752 or die "unable to load treasurelists\n"; 3379 or die "unable to load treasurelists\n";
2753} 3380}
2754 3381
2755sub reload_resources { 3382sub reload_resources {
2756 warn "reloading resource files...\n"; 3383 warn "reloading resource files...\n";
2757 3384
3385 reload_facedata;
3386 reload_archetypes;
2758 reload_regions; 3387 reload_regions;
2759 reload_facedata;
2760 #reload_archetypes;#d#
2761 reload_archetypes;
2762 reload_treasures; 3388 reload_treasures;
2763 3389
2764 warn "finished reloading resource files\n"; 3390 warn "finished reloading resource files\n";
2765} 3391}
2766 3392
2767sub init { 3393sub reload_config {
2768 reload_resources; 3394 warn "reloading config file...\n";
2769}
2770 3395
2771sub cfg_load {
2772 open my $fh, "<:utf8", "$CONFDIR/config" 3396 open my $fh, "<:utf8", "$CONFDIR/config"
2773 or return; 3397 or return;
2774 3398
2775 local $/; 3399 local $/;
2776 *CFG = YAML::Syck::Load <$fh>; 3400 *CFG = YAML::XS::Load scalar <$fh>;
2777 3401
2778 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3402 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2779 3403
2780 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3404 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2781 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3405 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2785 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3409 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2786 and die "WARNING: m(un)lockall failed: $!\n"; 3410 and die "WARNING: m(un)lockall failed: $!\n";
2787 }; 3411 };
2788 warn $@ if $@; 3412 warn $@ if $@;
2789 } 3413 }
3414
3415 warn "finished reloading resource files\n";
3416}
3417
3418sub pidfile() {
3419 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3420 or die "$PIDFILE: $!";
3421 flock $fh, &Fcntl::LOCK_EX
3422 or die "$PIDFILE: flock: $!";
3423 $fh
3424}
3425
3426# make sure only one server instance is running at any one time
3427sub atomic {
3428 my $fh = pidfile;
3429
3430 my $pid = <$fh>;
3431 kill 9, $pid if $pid > 0;
3432
3433 seek $fh, 0, 0;
3434 print $fh $$;
3435}
3436
3437sub main_loop {
3438 warn "EV::loop starting\n";
3439 if (1) {
3440 EV::loop;
3441 }
3442 warn "EV::loop returned\n";
3443 goto &main_loop unless $REALLY_UNLOOP;
2790} 3444}
2791 3445
2792sub main { 3446sub main {
3447 cf::init_globals; # initialise logging
3448
3449 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3450 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3451 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3452 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3453
3454 cf::init_experience;
3455 cf::init_anim;
3456 cf::init_attackmess;
3457 cf::init_dynamic;
3458
3459 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3460
2793 # we must not ever block the main coroutine 3461 # we must not ever block the main coroutine
2794 local $Coro::idle = sub { 3462 local $Coro::idle = sub {
2795 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3463 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2796 (async { 3464 (async {
2797 Event::one_event; 3465 $Coro::current->{desc} = "IDLE BUG HANDLER";
3466 EV::loop EV::LOOP_ONESHOT;
2798 })->prio (Coro::PRIO_MAX); 3467 })->prio (Coro::PRIO_MAX);
2799 }; 3468 };
2800 3469
2801 cfg_load; 3470 evthread_start IO::AIO::poll_fileno;
3471
3472 cf::sync_job {
3473 reload_resources;
3474 reload_config;
2802 db_init; 3475 db_init;
3476
3477 cf::load_settings;
3478 cf::load_materials;
3479 cf::init_uuid;
3480 cf::init_signals;
3481 cf::init_commands;
3482 cf::init_skills;
3483
3484 cf::init_beforeplay;
3485
3486 atomic;
3487
2803 load_extensions; 3488 load_extensions;
2804 3489
2805 $TICK_WATCHER->start; 3490 utime time, time, $RUNTIMEFILE;
2806 Event::loop; 3491
3492 # no (long-running) fork's whatsoever before this point(!)
3493 use POSIX ();
3494 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3495
3496 (pop @POST_INIT)->(0) while @POST_INIT;
3497 };
3498
3499 main_loop;
2807} 3500}
2808 3501
2809############################################################################# 3502#############################################################################
2810# initialisation and cleanup 3503# initialisation and cleanup
2811 3504
2812# install some emergency cleanup handlers 3505# install some emergency cleanup handlers
2813BEGIN { 3506BEGIN {
3507 our %SIGWATCHER = ();
2814 for my $signal (qw(INT HUP TERM)) { 3508 for my $signal (qw(INT HUP TERM)) {
2815 Event->signal ( 3509 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2816 reentrant => 0,
2817 data => WF_AUTOCANCEL,
2818 signal => $signal,
2819 prio => 0,
2820 cb => sub {
2821 cf::cleanup "SIG$signal"; 3510 cf::cleanup "SIG$signal";
2822 },
2823 ); 3511 };
2824 } 3512 }
2825} 3513}
2826 3514
2827sub write_runtime { 3515sub write_runtime_sync {
2828 my $runtime = "$LOCALDIR/runtime";
2829
2830 # first touch the runtime file to show we are still running: 3516 # first touch the runtime file to show we are still running:
2831 # the fsync below can take a very very long time. 3517 # the fsync below can take a very very long time.
2832 3518
2833 IO::AIO::aio_utime $runtime, undef, undef; 3519 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2834 3520
2835 my $guard = cf::lock_acquire "write_runtime"; 3521 my $guard = cf::lock_acquire "write_runtime";
2836 3522
2837 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3523 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2838 or return; 3524 or return;
2839 3525
2840 my $value = $cf::RUNTIME + 90 + 10; 3526 my $value = $cf::RUNTIME + 90 + 10;
2841 # 10 is the runtime save interval, for a monotonic clock 3527 # 10 is the runtime save interval, for a monotonic clock
2842 # 60 allows for the watchdog to kill the server. 3528 # 60 allows for the watchdog to kill the server.
2852 aio_utime $fh, undef, undef; 3538 aio_utime $fh, undef, undef;
2853 3539
2854 close $fh 3540 close $fh
2855 or return; 3541 or return;
2856 3542
2857 aio_rename "$runtime~", $runtime 3543 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2858 and return; 3544 and return;
2859 3545
2860 warn "runtime file written.\n"; 3546 warn "runtime file written.\n";
2861 3547
2862 1 3548 1
3549}
3550
3551our $uuid_lock;
3552our $uuid_skip;
3553
3554sub write_uuid_sync($) {
3555 $uuid_skip ||= $_[0];
3556
3557 return if $uuid_lock;
3558 local $uuid_lock = 1;
3559
3560 my $uuid = "$LOCALDIR/uuid";
3561
3562 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3563 or return;
3564
3565 my $value = uuid_seq uuid_cur;
3566
3567 unless ($value) {
3568 warn "cowardly refusing to write zero uuid value!\n";
3569 return;
3570 }
3571
3572 my $value = uuid_str $value + $uuid_skip;
3573 $uuid_skip = 0;
3574
3575 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3576 and return;
3577
3578 # always fsync - this file is important
3579 aio_fsync $fh
3580 and return;
3581
3582 close $fh
3583 or return;
3584
3585 aio_rename "$uuid~", $uuid
3586 and return;
3587
3588 warn "uuid file written ($value).\n";
3589
3590 1
3591
3592}
3593
3594sub write_uuid($$) {
3595 my ($skip, $sync) = @_;
3596
3597 $sync ? write_uuid_sync $skip
3598 : async { write_uuid_sync $skip };
2863} 3599}
2864 3600
2865sub emergency_save() { 3601sub emergency_save() {
2866 my $freeze_guard = cf::freeze_mainloop; 3602 my $freeze_guard = cf::freeze_mainloop;
2867 3603
2868 warn "enter emergency perl save\n"; 3604 warn "emergency_perl_save: enter\n";
2869 3605
2870 cf::sync_job { 3606 cf::sync_job {
3607 # this is a trade-off: we want to be very quick here, so
3608 # save all maps without fsync, and later call a global sync
3609 # (which in turn might be very very slow)
3610 local $USE_FSYNC = 0;
3611
2871 # use a peculiar iteration method to avoid tripping on perl 3612 # use a peculiar iteration method to avoid tripping on perl
2872 # refcount bugs in for. also avoids problems with players 3613 # refcount bugs in for. also avoids problems with players
2873 # and maps saved/destroyed asynchronously. 3614 # and maps saved/destroyed asynchronously.
2874 warn "begin emergency player save\n"; 3615 warn "emergency_perl_save: begin player save\n";
2875 for my $login (keys %cf::PLAYER) { 3616 for my $login (keys %cf::PLAYER) {
2876 my $pl = $cf::PLAYER{$login} or next; 3617 my $pl = $cf::PLAYER{$login} or next;
2877 $pl->valid or next; 3618 $pl->valid or next;
3619 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2878 $pl->save; 3620 $pl->save;
2879 } 3621 }
2880 warn "end emergency player save\n"; 3622 warn "emergency_perl_save: end player save\n";
2881 3623
2882 warn "begin emergency map save\n"; 3624 warn "emergency_perl_save: begin map save\n";
2883 for my $path (keys %cf::MAP) { 3625 for my $path (keys %cf::MAP) {
2884 my $map = $cf::MAP{$path} or next; 3626 my $map = $cf::MAP{$path} or next;
2885 $map->valid or next; 3627 $map->valid or next;
2886 $map->save; 3628 $map->save;
2887 } 3629 }
2888 warn "end emergency map save\n"; 3630 warn "emergency_perl_save: end map save\n";
2889 3631
2890 warn "begin emergency database checkpoint\n"; 3632 warn "emergency_perl_save: begin database checkpoint\n";
2891 BDB::db_env_txn_checkpoint $DB_ENV; 3633 BDB::db_env_txn_checkpoint $DB_ENV;
2892 warn "end emergency database checkpoint\n"; 3634 warn "emergency_perl_save: end database checkpoint\n";
3635
3636 warn "emergency_perl_save: begin write uuid\n";
3637 write_uuid_sync 1;
3638 warn "emergency_perl_save: end write uuid\n";
2893 }; 3639 };
2894 3640
3641 warn "emergency_perl_save: starting sync()\n";
3642 IO::AIO::aio_sync sub {
3643 warn "emergency_perl_save: finished sync()\n";
3644 };
3645
2895 warn "leave emergency perl save\n"; 3646 warn "emergency_perl_save: leave\n";
2896} 3647}
2897 3648
2898sub post_cleanup { 3649sub post_cleanup {
2899 my ($make_core) = @_; 3650 my ($make_core) = @_;
2900 3651
2901 warn Carp::longmess "post_cleanup backtrace" 3652 warn Carp::longmess "post_cleanup backtrace"
2902 if $make_core; 3653 if $make_core;
3654
3655 my $fh = pidfile;
3656 unlink $PIDFILE if <$fh> == $$;
3657}
3658
3659# a safer delete_package, copied from Symbol
3660sub clear_package($) {
3661 my $pkg = shift;
3662
3663 # expand to full symbol table name if needed
3664 unless ($pkg =~ /^main::.*::$/) {
3665 $pkg = "main$pkg" if $pkg =~ /^::/;
3666 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3667 $pkg .= '::' unless $pkg =~ /::$/;
3668 }
3669
3670 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3671 my $stem_symtab = *{$stem}{HASH};
3672
3673 defined $stem_symtab and exists $stem_symtab->{$leaf}
3674 or return;
3675
3676 # clear all symbols
3677 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3678 for my $name (keys %$leaf_symtab) {
3679 _gv_clear *{"$pkg$name"};
3680# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3681 }
3682 warn "cleared package $pkg\n";#d#
2903} 3683}
2904 3684
2905sub do_reload_perl() { 3685sub do_reload_perl() {
2906 # can/must only be called in main 3686 # can/must only be called in main
2907 if ($Coro::current != $Coro::main) { 3687 if ($Coro::current != $Coro::main) {
2908 warn "can only reload from main coroutine"; 3688 warn "can only reload from main coroutine";
2909 return; 3689 return;
2910 } 3690 }
2911 3691
3692 return if $RELOAD++;
3693
3694 my $t1 = EV::time;
3695
3696 while ($RELOAD) {
2912 warn "reloading..."; 3697 warn "reloading...";
2913 3698
2914 warn "entering sync_job"; 3699 warn "entering sync_job";
2915 3700
2916 cf::sync_job { 3701 cf::sync_job {
2917 cf::write_runtime; # external watchdog should not bark 3702 cf::write_runtime_sync; # external watchdog should not bark
2918 cf::emergency_save; 3703 cf::emergency_save;
2919 cf::write_runtime; # external watchdog should not bark 3704 cf::write_runtime_sync; # external watchdog should not bark
2920 3705
2921 warn "syncing database to disk"; 3706 warn "syncing database to disk";
2922 BDB::db_env_txn_checkpoint $DB_ENV; 3707 BDB::db_env_txn_checkpoint $DB_ENV;
2923 3708
2924 # if anything goes wrong in here, we should simply crash as we already saved 3709 # if anything goes wrong in here, we should simply crash as we already saved
2925 3710
2926 warn "cancelling all WF_AUTOCANCEL watchers";
2927 for (Event::all_watchers) {
2928 $_->cancel if $_->data & WF_AUTOCANCEL;
2929 }
2930
2931 warn "flushing outstanding aio requests"; 3711 warn "flushing outstanding aio requests";
2932 for (;;) {
2933 BDB::flush;
2934 IO::AIO::flush;
2935 Coro::cede;
2936 last unless IO::AIO::nreqs || BDB::nreqs; 3712 while (IO::AIO::nreqs || BDB::nreqs) {
2937 warn "iterate..."; 3713 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2938 }
2939
2940 ++$RELOAD;
2941
2942 warn "cancelling all extension coros";
2943 $_->cancel for values %EXT_CORO;
2944 %EXT_CORO = ();
2945
2946 warn "removing commands";
2947 %COMMAND = ();
2948
2949 warn "removing ext/exti commands";
2950 %EXTCMD = ();
2951 %EXTICMD = ();
2952
2953 warn "unloading/nuking all extensions";
2954 for my $pkg (@EXTS) {
2955 warn "... unloading $pkg";
2956
2957 if (my $cb = $pkg->can ("unload")) {
2958 eval {
2959 $cb->($pkg);
2960 1
2961 } or warn "$pkg unloaded, but with errors: $@";
2962 } 3714 }
2963 3715
2964 warn "... nuking $pkg"; 3716 warn "cancelling all extension coros";
2965 Symbol::delete_package $pkg; 3717 $_->cancel for values %EXT_CORO;
2966 } 3718 %EXT_CORO = ();
2967 3719
2968 warn "unloading all perl modules loaded from $LIBDIR"; 3720 warn "removing commands";
2969 while (my ($k, $v) = each %INC) { 3721 %COMMAND = ();
2970 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2971 3722
3723 warn "removing ext/exti commands";
3724 %EXTCMD = ();
3725 %EXTICMD = ();
3726
3727 warn "unloading/nuking all extensions";
3728 for my $pkg (@EXTS) {
2972 warn "... unloading $k"; 3729 warn "... unloading $pkg";
2973 delete $INC{$k};
2974 3730
2975 $k =~ s/\.pm$//;
2976 $k =~ s/\//::/g;
2977
2978 if (my $cb = $k->can ("unload_module")) { 3731 if (my $cb = $pkg->can ("unload")) {
3732 eval {
2979 $cb->(); 3733 $cb->($pkg);
3734 1
3735 } or warn "$pkg unloaded, but with errors: $@";
3736 }
3737
3738 warn "... clearing $pkg";
3739 clear_package $pkg;
2980 } 3740 }
2981 3741
2982 Symbol::delete_package $k; 3742 warn "unloading all perl modules loaded from $LIBDIR";
3743 while (my ($k, $v) = each %INC) {
3744 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3745
3746 warn "... unloading $k";
3747 delete $INC{$k};
3748
3749 $k =~ s/\.pm$//;
3750 $k =~ s/\//::/g;
3751
3752 if (my $cb = $k->can ("unload_module")) {
3753 $cb->();
3754 }
3755
3756 clear_package $k;
2983 } 3757 }
2984 3758
2985 warn "getting rid of safe::, as good as possible"; 3759 warn "getting rid of safe::, as good as possible";
2986 Symbol::delete_package "safe::$_" 3760 clear_package "safe::$_"
2987 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3761 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2988 3762
2989 warn "unloading cf.pm \"a bit\""; 3763 warn "unloading cf.pm \"a bit\"";
2990 delete $INC{"cf.pm"}; 3764 delete $INC{"cf.pm"};
2991 delete $INC{"cf/pod.pm"}; 3765 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2992 3766
2993 # don't, removes xs symbols, too, 3767 # don't, removes xs symbols, too,
2994 # and global variables created in xs 3768 # and global variables created in xs
2995 #Symbol::delete_package __PACKAGE__; 3769 #clear_package __PACKAGE__;
2996 3770
2997 warn "unload completed, starting to reload now"; 3771 warn "unload completed, starting to reload now";
2998 3772
2999 warn "reloading cf.pm"; 3773 warn "reloading cf.pm";
3000 require cf; 3774 require cf;
3001 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3775 cf::_connect_to_perl_1;
3002 3776
3003 warn "loading config and database again"; 3777 warn "loading config and database again";
3004 cf::cfg_load; 3778 cf::reload_config;
3005 3779
3006 warn "loading extensions"; 3780 warn "loading extensions";
3007 cf::load_extensions; 3781 cf::load_extensions;
3008 3782
3783 if ($REATTACH_ON_RELOAD) {
3009 warn "reattaching attachments to objects/players"; 3784 warn "reattaching attachments to objects/players";
3010 _global_reattach; # objects, sockets 3785 _global_reattach; # objects, sockets
3011 warn "reattaching attachments to maps"; 3786 warn "reattaching attachments to maps";
3012 reattach $_ for values %MAP; 3787 reattach $_ for values %MAP;
3013 warn "reattaching attachments to players"; 3788 warn "reattaching attachments to players";
3014 reattach $_ for values %PLAYER; 3789 reattach $_ for values %PLAYER;
3790 }
3015 3791
3792 warn "running post_init jobs";
3793 (pop @POST_INIT)->(1) while @POST_INIT;
3794
3016 warn "leaving sync_job"; 3795 warn "leaving sync_job";
3017 3796
3018 1 3797 1
3019 } or do { 3798 } or do {
3020 warn $@; 3799 warn $@;
3021 warn "error while reloading, exiting."; 3800 cf::cleanup "error while reloading, exiting.";
3022 exit 1;
3023 }; 3801 };
3024 3802
3025 warn "reloaded"; 3803 warn "reloaded";
3804 --$RELOAD;
3805 }
3806
3807 $t1 = EV::time - $t1;
3808 warn "reload completed in ${t1}s\n";
3026}; 3809};
3027 3810
3028our $RELOAD_WATCHER; # used only during reload 3811our $RELOAD_WATCHER; # used only during reload
3029 3812
3030sub reload_perl() { 3813sub reload_perl() {
3031 # doing reload synchronously and two reloads happen back-to-back, 3814 # doing reload synchronously and two reloads happen back-to-back,
3032 # coro crashes during coro_state_free->destroy here. 3815 # coro crashes during coro_state_free->destroy here.
3033 3816
3034 $RELOAD_WATCHER ||= Event->timer ( 3817 $RELOAD_WATCHER ||= cf::async {
3035 reentrant => 0, 3818 Coro::AIO::aio_wait cache_extensions;
3036 after => 0, 3819
3037 data => WF_AUTOCANCEL, 3820 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3038 cb => sub {
3039 do_reload_perl; 3821 do_reload_perl;
3040 undef $RELOAD_WATCHER; 3822 undef $RELOAD_WATCHER;
3041 }, 3823 };
3042 ); 3824 };
3043} 3825}
3044 3826
3045register_command "reload" => sub { 3827register_command "reload" => sub {
3046 my ($who, $arg) = @_; 3828 my ($who, $arg) = @_;
3047 3829
3048 if ($who->flag (FLAG_WIZ)) { 3830 if ($who->flag (FLAG_WIZ)) {
3049 $who->message ("reloading server."); 3831 $who->message ("reloading server.");
3832 async {
3833 $Coro::current->{desc} = "perl_reload";
3050 async { reload_perl }; 3834 reload_perl;
3835 };
3051 } 3836 }
3052}; 3837};
3053 3838
3054unshift @INC, $LIBDIR; 3839unshift @INC, $LIBDIR;
3055 3840
3057 3842
3058our @WAIT_FOR_TICK; 3843our @WAIT_FOR_TICK;
3059our @WAIT_FOR_TICK_BEGIN; 3844our @WAIT_FOR_TICK_BEGIN;
3060 3845
3061sub wait_for_tick { 3846sub wait_for_tick {
3062 return unless $TICK_WATCHER->is_active;
3063 return if $Coro::current == $Coro::main; 3847 return if tick_inhibit || $Coro::current == $Coro::main;
3064 3848
3065 my $signal = new Coro::Signal; 3849 my $signal = new Coro::Signal;
3066 push @WAIT_FOR_TICK, $signal; 3850 push @WAIT_FOR_TICK, $signal;
3067 $signal->wait; 3851 $signal->wait;
3068} 3852}
3069 3853
3070sub wait_for_tick_begin { 3854sub wait_for_tick_begin {
3071 return unless $TICK_WATCHER->is_active;
3072 return if $Coro::current == $Coro::main; 3855 return if tick_inhibit || $Coro::current == $Coro::main;
3073 3856
3074 my $signal = new Coro::Signal; 3857 my $signal = new Coro::Signal;
3075 push @WAIT_FOR_TICK_BEGIN, $signal; 3858 push @WAIT_FOR_TICK_BEGIN, $signal;
3076 $signal->wait; 3859 $signal->wait;
3077} 3860}
3078 3861
3079 my $min = 1e6;#d# 3862sub tick {
3080 my $avg = 10;
3081$TICK_WATCHER = Event->timer (
3082 reentrant => 0,
3083 parked => 1,
3084 prio => 0,
3085 at => $NEXT_TICK || $TICK,
3086 data => WF_AUTOCANCEL,
3087 cb => sub {
3088 if ($Coro::current != $Coro::main) { 3863 if ($Coro::current != $Coro::main) {
3089 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3864 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3090 unless ++$bug_warning > 10; 3865 unless ++$bug_warning > 10;
3091 return; 3866 return;
3092 } 3867 }
3093 3868
3094 $NOW = $tick_start = Event::time;
3095
3096 cf::server_tick; # one server iteration 3869 cf::server_tick; # one server iteration
3097 3870
3098 0 && sync_job {#d# 3871 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099 for(1..10) { 3872 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100 my $t = Event::time; 3873 Coro::async_pool {
3101 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3874 $Coro::current->{desc} = "runtime saver";
3102 or die; 3875 write_runtime_sync
3103 3876 or warn "ERROR: unable to write runtime file: $!";
3104 $map->width (50);
3105 $map->height (50);
3106 $map->alloc;
3107 $map->_load_objects ("/tmp/x.map", 1);
3108 my $t = Event::time - $t;
3109
3110 #next unless $t < 0.0013;#d#
3111 if ($t < $min) {
3112 $min = $t;
3113 }
3114 $avg = $avg * 0.99 + $t * 0.01;
3115 }
3116 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3117 exit 0;
3118 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3119 }; 3877 };
3878 }
3120 3879
3121 $RUNTIME += $TICK;
3122 $NEXT_TICK += $TICK;
3123
3124 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3125 $NEXT_RUNTIME_WRITE = $NOW + 10;
3126 Coro::async_pool {
3127 write_runtime
3128 or warn "ERROR: unable to write runtime file: $!";
3129 };
3130 }
3131
3132# my $AFTER = Event::time;
3133# warn $AFTER - $NOW;#d#
3134
3135 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3880 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3136 $sig->send; 3881 $sig->send;
3137 } 3882 }
3138 while (my $sig = shift @WAIT_FOR_TICK) { 3883 while (my $sig = shift @WAIT_FOR_TICK) {
3139 $sig->send; 3884 $sig->send;
3140 } 3885 }
3141 3886
3142 $NOW = Event::time; 3887 $LOAD = ($NOW - $TICK_START) / $TICK;
3143
3144 # if we are delayed by four ticks or more, skip them all
3145 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3146
3147 $TICK_WATCHER->at ($NEXT_TICK);
3148 $TICK_WATCHER->start;
3149
3150 $LOAD = ($NOW - $tick_start) / $TICK;
3151 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3888 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3152 3889
3153 _post_tick; 3890 if (0) {
3154 3891 if ($NEXT_TICK) {
3155 3892 my $jitter = $TICK_START - $NEXT_TICK;
3893 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3894 warn "jitter $JITTER\n";#d#
3895 }
3156 }, 3896 }
3157); 3897}
3158 3898
3159{ 3899{
3160 BDB::max_poll_time $TICK * 0.1; 3900 # configure BDB
3161 $BDB_POLL_WATCHER = Event->io ( 3901
3162 reentrant => 0,
3163 fd => BDB::poll_fileno,
3164 poll => 'r',
3165 prio => 0,
3166 data => WF_AUTOCANCEL,
3167 cb => \&BDB::poll_cb,
3168 );
3169 BDB::min_parallel 8; 3902 BDB::min_parallel 8;
3170 3903 BDB::max_poll_reqs $TICK * 0.1;
3171 BDB::set_sync_prepare { 3904 $AnyEvent::BDB::WATCHER->priority (1);
3172 my $status;
3173 my $current = $Coro::current;
3174 (
3175 sub {
3176 $status = $!;
3177 $current->ready; undef $current;
3178 },
3179 sub {
3180 Coro::schedule while defined $current;
3181 $! = $status;
3182 },
3183 )
3184 };
3185 3905
3186 unless ($DB_ENV) { 3906 unless ($DB_ENV) {
3187 $DB_ENV = BDB::db_env_create; 3907 $DB_ENV = BDB::db_env_create;
3908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3909 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3910 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3911 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3912 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3188 3913
3189 cf::sync_job { 3914 cf::sync_job {
3190 eval { 3915 eval {
3191 BDB::db_env_open 3916 BDB::db_env_open
3192 $DB_ENV, 3917 $DB_ENV,
3194 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3919 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3195 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3920 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3196 0666; 3921 0666;
3197 3922
3198 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3923 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3199
3200 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3201 $DB_ENV->set_lk_detect;
3202 }; 3924 };
3203 3925
3204 cf::cleanup "db_env_open(db): $@" if $@; 3926 cf::cleanup "db_env_open(db): $@" if $@;
3205 }; 3927 };
3206 } 3928 }
3929
3930 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3931 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3932 };
3933 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3934 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3935 };
3936 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3937 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3938 };
3207} 3939}
3208 3940
3209{ 3941{
3942 # configure IO::AIO
3943
3210 IO::AIO::min_parallel 8; 3944 IO::AIO::min_parallel 8;
3211
3212 undef $Coro::AIO::WATCHER;
3213 IO::AIO::max_poll_time $TICK * 0.1; 3945 IO::AIO::max_poll_time $TICK * 0.1;
3214 $AIO_POLL_WATCHER = Event->io ( 3946 undef $AnyEvent::AIO::WATCHER;
3215 reentrant => 0,
3216 data => WF_AUTOCANCEL,
3217 fd => IO::AIO::poll_fileno,
3218 poll => 'r',
3219 prio => 6,
3220 cb => \&IO::AIO::poll_cb,
3221 );
3222} 3947}
3223 3948
3224my $_log_backtrace; 3949my $_log_backtrace;
3225 3950
3226sub _log_backtrace { 3951sub _log_backtrace {
3229 $msg =~ s/\n//; 3954 $msg =~ s/\n//;
3230 3955
3231 # limit the # of concurrent backtraces 3956 # limit the # of concurrent backtraces
3232 if ($_log_backtrace < 2) { 3957 if ($_log_backtrace < 2) {
3233 ++$_log_backtrace; 3958 ++$_log_backtrace;
3959 my $perl_bt = Carp::longmess $msg;
3234 async { 3960 async {
3961 $Coro::current->{desc} = "abt $msg";
3962
3235 my @bt = fork_call { 3963 my @bt = fork_call {
3236 @addr = map { sprintf "%x", $_ } @addr; 3964 @addr = map { sprintf "%x", $_ } @addr;
3237 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3965 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3238 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3966 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3239 or die "addr2line: $!"; 3967 or die "addr2line: $!";
3247 } 3975 }
3248 3976
3249 @funcs 3977 @funcs
3250 }; 3978 };
3251 3979
3252 LOG llevInfo, "[ABT] $msg\n"; 3980 LOG llevInfo, "[ABT] $perl_bt\n";
3981 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3253 LOG llevInfo, "[ABT] $_\n" for @bt; 3982 LOG llevInfo, "[ABT] $_\n" for @bt;
3254 --$_log_backtrace; 3983 --$_log_backtrace;
3255 }; 3984 };
3256 } else { 3985 } else {
3257 LOG llevInfo, "[ABT] $msg\n"; 3986 LOG llevInfo, "[ABT] $msg\n";
3258 LOG llevInfo, "[ABT] [suppressed]\n"; 3987 LOG llevInfo, "[ABT] [suppressed]\n";
3259 } 3988 }
3260} 3989}
3261 3990
3262# load additional modules 3991# load additional modules
3263use cf::pod; 3992require "cf/$_.pm" for @EXTRA_MODULES;
3993cf::_connect_to_perl_2;
3264 3994
3265END { cf::emergency_save } 3995END { cf::emergency_save }
3266 3996
32671 39971
3268 3998

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