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Revision 1.333 by root, Sun Aug 19 09:14:50 2007 UTC vs.
Revision 1.568 by root, Tue May 3 17:12:14 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010,2011 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
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.64 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
24use Coro::Util (); 51use Coro::Util ();
25 52
26use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
27use BDB (); 54use BDB ();
28use Data::Dumper; 55use Data::Dumper;
29use Digest::MD5;
30use Fcntl; 56use Fcntl;
31use YAML::Syck (); 57use YAML::XS ();
32use IO::AIO 2.32 (); 58use IO::AIO ();
33use Time::HiRes; 59use Time::HiRes;
34use Compress::LZF; 60use Compress::LZF;
35use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
36 64
37# configure various modules to our taste 65# configure various modules to our taste
38# 66#
39$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42 75
43$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
44 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 78
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
51 82
52our %COMMAND = (); 83our %COMMAND = ();
53our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
54 85
55our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
56our %EXTCMD = (); 87our %EXTCMD = ();
57our %EXTICMD = (); 88our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
60 91
61our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
62our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
63 96
64our $CONFDIR = confdir; 97our $CONFDIR = confdir;
98
65our $DATADIR = datadir; 99our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
103
69our $LOCALDIR = localdir; 104our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 105our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 106our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 107our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 108our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 109our $BDBDIR = "$LOCALDIR/db";
110our $PIDFILE = "$LOCALDIR/pid";
111our $RUNTIMEFILE = "$LOCALDIR/runtime";
112
113our %RESOURCE; # unused
114
115our $OUTPUT_RATE_MIN = 3000;
116our $OUTPUT_RATE_MAX = 1000000;
117
118our $MAX_LINKS = 32; # how many chained exits to follow
119our $VERBOSE_IO = 1;
75 120
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 121our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 122our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 123our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 124our $USE_FSYNC = 1; # use fsync to write maps - default on
83 125
126our $BDB_DEADLOCK_WATCHER;
127our $BDB_CHECKPOINT_WATCHER;
84our $BDB_POLL_WATCHER; 128our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 129our $DB_ENV;
130
131our @EXTRA_MODULES = qw(pod match mapscript incloader);
86 132
87our %CFG; 133our %CFG;
88 134
89our $UPTIME; $UPTIME ||= time; 135our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 136our $RUNTIME;
137our $NOW;
91 138
92our %PLAYER; # all users 139our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 140our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 141our $LINK_MAP; # the special {link} map, which is always available
95 142
96# used to convert map paths into valid unix filenames by replacing / by ∕ 143# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 144our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 145
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 146our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 147our $LOADAVG; # same thing, but with alpha-smoothing
148our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 149our $TICK_START; # for load detecting purposes
150
151our @POST_INIT;
152
153our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
154our $REALLY_UNLOOP; # never set to true, please :)
102 155
103binmode STDOUT; 156binmode STDOUT;
104binmode STDERR; 157binmode STDERR;
105 158
106# read virtual server time, if available 159# read virtual server time, if available
107unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 160unless ($RUNTIME || !-e $RUNTIMEFILE) {
108 open my $fh, "<", "$LOCALDIR/runtime" 161 open my $fh, "<", $RUNTIMEFILE
109 or die "unable to read runtime file: $!"; 162 or die "unable to read $RUNTIMEFILE file: $!";
110 $RUNTIME = <$fh> + 0.; 163 $RUNTIME = <$fh> + 0.;
111} 164}
165
166eval "sub TICK() { $TICK } 1" or die;
112 167
113mkdir $_ 168mkdir $_
114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 169 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115 170
116our $EMERGENCY_POSITION; 171our $EMERGENCY_POSITION;
117 172
118sub cf::map::normalise; 173sub cf::map::normalise;
174
175sub in_main() {
176 $Coro::current == $Coro::main
177}
178
179#############################################################################
180
181%REFLECT = ();
182for (@REFLECT) {
183 my $reflect = JSON::XS::decode_json $_;
184 $REFLECT{$reflect->{class}} = $reflect;
185}
186
187# this is decidedly evil
188$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119 189
120############################################################################# 190#############################################################################
121 191
122=head2 GLOBAL VARIABLES 192=head2 GLOBAL VARIABLES
123 193
159 229
160The raw value load value from the last tick. 230The raw value load value from the last tick.
161 231
162=item %cf::CFG 232=item %cf::CFG
163 233
164Configuration for the server, loaded from C</etc/crossfire/config>, or 234Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 235from wherever your confdir points to.
166 236
167=item cf::wait_for_tick, cf::wait_for_tick_begin 237=item cf::wait_for_tick, cf::wait_for_tick_begin
168 238
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 239These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170returns directly I<after> the tick processing (and consequently, can only wake one process 240returns directly I<after> the tick processing (and consequently, can only wake one thread
171per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 241per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172 242
243=cut
244
245sub wait_for_tick();
246sub wait_for_tick_begin();
247
173=item @cf::INVOKE_RESULTS 248=item @cf::INVOKE_RESULTS
174 249
175This array contains the results of the last C<invoke ()> call. When 250This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 251C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call. 252that call.
178 253
254=item %cf::REFLECT
255
256Contains, for each (C++) class name, a hash reference with information
257about object members (methods, scalars, arrays and flags) and other
258metadata, which is useful for introspection.
259
179=back 260=back
180 261
181=cut 262=cut
182 263
183BEGIN { 264sub error(@) { LOG llevError, join "", @_ }
184 *CORE::GLOBAL::warn = sub { 265sub warn (@) { LOG llevWarn , join "", @_ }
266sub info (@) { LOG llevInfo , join "", @_ }
267sub debug(@) { LOG llevDebug, join "", @_ }
268sub trace(@) { LOG llevTrace, join "", @_ }
269
270$Coro::State::WARNHOOK = sub {
185 my $msg = join "", @_; 271 my $msg = join "", @_;
186 272
187 $msg .= "\n" 273 $msg .= "\n"
188 unless $msg =~ /\n$/; 274 unless $msg =~ /\n$/;
189 275
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 276 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 277
192 utf8::encode $msg;
193 LOG llevError, $msg; 278 LOG llevWarn, $msg;
194 }; 279};
195} 280
281$Coro::State::DIEHOOK = sub {
282 return unless $^S eq 0; # "eq", not "=="
283
284 error Carp::longmess $_[0];
285
286 if (in_main) {#d#
287 error "DIEHOOK called in main context, Coro bug?\n";#d#
288 return;#d#
289 }#d#
290
291 # kill coroutine otherwise
292 Coro::terminate
293};
196 294
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 295@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 296@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 297@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 298@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
207for my $pkg (qw( 305for my $pkg (qw(
208 cf::global cf::attachable 306 cf::global cf::attachable
209 cf::object cf::object::player 307 cf::object cf::object::player
210 cf::client cf::player 308 cf::client cf::player
211 cf::arch cf::living 309 cf::arch cf::living
310 cf::map cf::mapspace
212 cf::map cf::party cf::region 311 cf::party cf::region
213)) { 312)) {
214 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 313 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 314}
217 315
218$Event::DIED = sub { 316$EV::DIED = sub {
219 warn "error in event callback: @_"; 317 Carp::cluck "error in event callback: @_";
220}; 318};
319
320#############################################################################
321
322sub fork_call(&@);
323sub get_slot($;$$);
221 324
222############################################################################# 325#############################################################################
223 326
224=head2 UTILITY FUNCTIONS 327=head2 UTILITY FUNCTIONS
225 328
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 349 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 350 $d
248 } || "[unable to dump $_[0]: '$@']"; 351 } || "[unable to dump $_[0]: '$@']";
249} 352}
250 353
354=item $scalar = load_file $path
355
356Loads the given file from path and returns its contents. Croaks on error
357and can block.
358
359=cut
360
361sub load_file($) {
362 0 <= aio_load $_[0], my $data
363 or Carp::croak "$_[0]: $!";
364
365 $data
366}
367
251=item $ref = cf::from_json $json 368=item $ref = cf::decode_json $json
252 369
253Converts a JSON string into the corresponding perl data structure. 370Converts a JSON string into the corresponding perl data structure.
254 371
255=item $json = cf::to_json $ref 372=item $json = cf::encode_json $ref
256 373
257Converts a perl data structure into its JSON representation. 374Converts a perl data structure into its JSON representation.
258 375
259=cut 376=cut
260 377
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 378our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 379
263sub to_json ($) { $json_coder->encode ($_[0]) } 380sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 381sub decode_json($) { $json_coder->decode ($_[0]) }
382
383=item $ref = cf::decode_storable $scalar
384
385Same as Coro::Storable::thaw, so blocks.
386
387=cut
388
389BEGIN { *decode_storable = \&Coro::Storable::thaw }
390
391=item $ref = cf::decode_yaml $scalar
392
393Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
394
395=cut
396
397sub decode_yaml($) {
398 fork_call { YAML::XS::Load $_[0] } @_
399}
400
401=item $scalar = cf::unlzf $scalar
402
403Same as Compress::LZF::compress, but takes server ticks into account, so
404blocks.
405
406=cut
407
408sub unlzf($) {
409 # we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
410 cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
411 Compress::LZF::decompress $_[0]
412}
413
414=item cf::post_init { BLOCK }
415
416Execute the given codeblock, I<after> all extensions have been (re-)loaded,
417but I<before> the server starts ticking again.
418
419The codeblock will have a single boolean argument to indicate whether this
420is a reload or not.
421
422=cut
423
424sub post_init(&) {
425 push @POST_INIT, shift;
426}
427
428sub _post_init {
429 trace "running post_init jobs";
430
431 # run them in parallel...
432
433 my @join;
434
435 while () {
436 push @join, map &Coro::async ($_, 0), @POST_INIT;
437 @POST_INIT = ();
438
439 @join or last;
440
441 (pop @join)->join;
442 }
443}
265 444
266=item cf::lock_wait $string 445=item cf::lock_wait $string
267 446
268Wait until the given lock is available. See cf::lock_acquire. 447Wait until the given lock is available. See cf::lock_acquire.
269 448
270=item my $lock = cf::lock_acquire $string 449=item my $lock = cf::lock_acquire $string
271 450
272Wait until the given lock is available and then acquires it and returns 451Wait until the given lock is available and then acquires it and returns
273a Coro::guard object. If the guard object gets destroyed (goes out of scope, 452a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274for example when the coroutine gets canceled), the lock is automatically 453for example when the coroutine gets canceled), the lock is automatically
275returned. 454returned.
276 455
456Locks are *not* recursive, locking from the same coro twice results in a
457deadlocked coro.
458
277Lock names should begin with a unique identifier (for example, cf::map::find 459Lock names should begin with a unique identifier (for example, cf::map::find
278uses map_find and cf::map::load uses map_load). 460uses map_find and cf::map::load uses map_load).
279 461
280=item $locked = cf::lock_active $string 462=item $locked = cf::lock_active $string
281 463
282Return true if the lock is currently active, i.e. somebody has locked it. 464Return true if the lock is currently active, i.e. somebody has locked it.
283 465
284=cut 466=cut
285 467
286our %LOCK; 468our $LOCKS = new Coro::SemaphoreSet;
287 469
288sub lock_wait($) { 470sub lock_wait($) {
289 my ($key) = @_; 471 $LOCKS->wait ($_[0]);
290
291 # wait for lock, if any
292 while ($LOCK{$key}) {
293 push @{ $LOCK{$key} }, $Coro::current;
294 Coro::schedule;
295 }
296} 472}
297 473
298sub lock_acquire($) { 474sub lock_acquire($) {
299 my ($key) = @_; 475 $LOCKS->guard ($_[0])
300
301 # wait, to be sure we are not locked
302 lock_wait $key;
303
304 $LOCK{$key} = [];
305
306 Coro::guard {
307 # wake up all waiters, to be on the safe side
308 $_->ready for @{ delete $LOCK{$key} };
309 }
310} 476}
311 477
312sub lock_active($) { 478sub lock_active($) {
313 my ($key) = @_; 479 $LOCKS->count ($_[0]) < 1
314
315 ! ! $LOCK{$key}
316} 480}
317 481
318sub freeze_mainloop { 482sub freeze_mainloop {
319 return unless $TICK_WATCHER->is_active; 483 tick_inhibit_inc;
320 484
321 my $guard = Coro::guard { 485 &Guard::guard (\&tick_inhibit_dec);
322 $TICK_WATCHER->start; 486}
323 }; 487
324 $TICK_WATCHER->stop; 488=item cf::periodic $interval, $cb
325 $guard 489
490Like EV::periodic, but randomly selects a starting point so that the actions
491get spread over time.
492
493=cut
494
495sub periodic($$) {
496 my ($interval, $cb) = @_;
497
498 my $start = rand List::Util::min 180, $interval;
499
500 EV::periodic $start, $interval, 0, $cb
326} 501}
327 502
328=item cf::get_slot $time[, $priority[, $name]] 503=item cf::get_slot $time[, $priority[, $name]]
329 504
330Allocate $time seconds of blocking CPU time at priority C<$priority>: 505Allocate $time seconds of blocking CPU time at priority C<$priority>
331This call blocks and returns only when you have at least C<$time> seconds 506(default: 0): This call blocks and returns only when you have at least
332of cpu time till the next tick. The slot is only valid till the next cede. 507C<$time> seconds of cpu time till the next tick. The slot is only valid
508till the next cede.
509
510Background jobs should use a priority les than zero, interactive jobs
511should use 100 or more.
333 512
334The optional C<$name> can be used to identify the job to run. It might be 513The optional C<$name> can be used to identify the job to run. It might be
335used for statistical purposes and should identify the same time-class. 514used for statistical purposes and should identify the same time-class.
336 515
337Useful for short background jobs. 516Useful for short background jobs.
338 517
339=cut 518=cut
340 519
341our @SLOT_QUEUE; 520our @SLOT_QUEUE;
342our $SLOT_QUEUE; 521our $SLOT_QUEUE;
522our $SLOT_DECAY = 0.9;
343 523
344$SLOT_QUEUE->cancel if $SLOT_QUEUE; 524$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async { 525$SLOT_QUEUE = Coro::async {
526 $Coro::current->desc ("timeslot manager");
527
346 my $signal = new Coro::Signal; 528 my $signal = new Coro::Signal;
529 my $busy;
347 530
348 while () { 531 while () {
349 next_job: 532 next_job:
533
350 my $avail = cf::till_tick; 534 my $avail = cf::till_tick;
351 if ($avail > 0.01) { 535
352 for (0 .. $#SLOT_QUEUE) { 536 for (0 .. $#SLOT_QUEUE) {
353 if ($SLOT_QUEUE[$_][0] < $avail) { 537 if ($SLOT_QUEUE[$_][0] <= $avail) {
538 $busy = 0;
354 my $job = splice @SLOT_QUEUE, $_, 1, (); 539 my $job = splice @SLOT_QUEUE, $_, 1, ();
355 $job->[2]->send; 540 $job->[2]->send;
356 Coro::cede; 541 Coro::cede;
357 goto next_job; 542 goto next_job;
358 } 543 } else {
544 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359 } 545 }
360 } 546 }
361 547
362 if (@SLOT_QUEUE) { 548 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive 549 # we do not use wait_for_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal; 550 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait; 551 $signal->wait;
366 } else { 552 } else {
553 $busy = 0;
367 Coro::schedule; 554 Coro::schedule;
368 } 555 }
369 } 556 }
370}; 557};
371 558
372sub get_slot($;$$) { 559sub get_slot($;$$) {
560 return if tick_inhibit || $Coro::current == $Coro::main;
561
373 my ($time, $pri, $name) = @_; 562 my ($time, $pri, $name) = @_;
374 563
375 $time = $TICK * .6 if $time > $TICK * .6; 564 $time = clamp $time, 0.01, $TICK * .6;
565
376 my $sig = new Coro::Signal; 566 my $sig = new Coro::Signal;
377 567
378 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 568 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 569 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380 $SLOT_QUEUE->ready; 570 $SLOT_QUEUE->ready;
391 581
392BEGIN { *async = \&Coro::async_pool } 582BEGIN { *async = \&Coro::async_pool }
393 583
394=item cf::sync_job { BLOCK } 584=item cf::sync_job { BLOCK }
395 585
396The design of Crossfire TRT requires that the main coroutine ($Coro::main) 586The design of Deliantra requires that the main coroutine ($Coro::main)
397is always able to handle events or runnable, as Crossfire TRT is only 587is always able to handle events or runnable, as Deliantra is only
398partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 588partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable. 589acceptable.
400 590
401If it must be done, put the blocking parts into C<sync_job>. This will run 591If it must be done, put the blocking parts into C<sync_job>. This will run
402the given BLOCK in another coroutine while waiting for the result. The 592the given BLOCK in another coroutine while waiting for the result. The
406=cut 596=cut
407 597
408sub sync_job(&) { 598sub sync_job(&) {
409 my ($job) = @_; 599 my ($job) = @_;
410 600
411 if ($Coro::current == $Coro::main) { 601 if (in_main) {
412 my $time = Event::time; 602 my $time = AE::time;
413 603
414 # this is the main coro, too bad, we have to block 604 # this is the main coro, too bad, we have to block
415 # till the operation succeeds, freezing the server :/ 605 # till the operation succeeds, freezing the server :/
416 606
417 # TODO: use suspend/resume instead 607 #LOG llevError, Carp::longmess "sync job";#d#
418 # (but this is cancel-safe) 608
419 my $freeze_guard = freeze_mainloop; 609 my $freeze_guard = freeze_mainloop;
420 610
421 my $busy = 1; 611 my $busy = 1;
422 my @res; 612 my @res;
423 613
424 (async { 614 (async {
615 $Coro::current->desc ("sync job coro");
425 @res = eval { $job->() }; 616 @res = eval { $job->() };
426 warn $@ if $@; 617 error $@ if $@;
427 undef $busy; 618 undef $busy;
428 })->prio (Coro::PRIO_MAX); 619 })->prio (Coro::PRIO_MAX);
429 620
430 while ($busy) { 621 while ($busy) {
431 Coro::cede or Event::one_event; 622 if (Coro::nready) {
623 Coro::cede_notself;
624 } else {
625 EV::loop EV::LOOP_ONESHOT;
432 } 626 }
627 }
433 628
434 $time = Event::time - $time; 629 my $time = AE::time - $time;
435 630
436 LOG llevError | logBacktrace, Carp::longmess "long sync job"
437 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439 $tick_start += $time; # do not account sync jobs to server load 631 $TICK_START += $time; # do not account sync jobs to server load
440 632
441 wantarray ? @res : $res[0] 633 wantarray ? @res : $res[0]
442 } else { 634 } else {
443 # we are in another coroutine, how wonderful, everything just works 635 # we are in another coroutine, how wonderful, everything just works
444 636
464 $EXT_CORO{$coro+0} = $coro; 656 $EXT_CORO{$coro+0} = $coro;
465 657
466 $coro 658 $coro
467} 659}
468 660
469=item fork_call { }, $args 661=item fork_call { }, @args
470 662
471Executes the given code block with the given arguments in a seperate 663Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with 664process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may 665Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling. 666never block itself or use any form of event handling.
475 667
476=cut 668=cut
669
670sub post_fork {
671 reset_signals;
672}
477 673
478sub fork_call(&@) { 674sub fork_call(&@) {
479 my ($cb, @args) = @_; 675 my ($cb, @args) = @_;
480 676
481 # we seemingly have to make a local copy of the whole thing, 677 # we seemingly have to make a local copy of the whole thing,
482 # otherwise perl prematurely frees the stuff :/ 678 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious) 679 # TODO: investigate and fix (likely this will be rather laborious)
484 680
485 my @res = Coro::Util::fork_eval { 681 my @res = Coro::Util::fork_eval {
486 reset_signals; 682 cf::post_fork;
487 &$cb 683 &$cb
488 }, @args; 684 } @args;
489 685
490 wantarray ? @res : $res[-1] 686 wantarray ? @res : $res[-1]
687}
688
689sub objinfo {
690 (
691 "counter value" => cf::object::object_count,
692 "objects created" => cf::object::create_count,
693 "objects destroyed" => cf::object::destroy_count,
694 "freelist size" => cf::object::free_count,
695 "allocated objects" => cf::object::objects_size,
696 "active objects" => cf::object::actives_size,
697 )
698}
699
700=item $coin = coin_from_name $name
701
702=cut
703
704our %coin_alias = (
705 "silver" => "silvercoin",
706 "silvercoin" => "silvercoin",
707 "silvercoins" => "silvercoin",
708 "gold" => "goldcoin",
709 "goldcoin" => "goldcoin",
710 "goldcoins" => "goldcoin",
711 "platinum" => "platinacoin",
712 "platinumcoin" => "platinacoin",
713 "platinumcoins" => "platinacoin",
714 "platina" => "platinacoin",
715 "platinacoin" => "platinacoin",
716 "platinacoins" => "platinacoin",
717 "royalty" => "royalty",
718 "royalties" => "royalty",
719);
720
721sub coin_from_name($) {
722 $coin_alias{$_[0]}
723 ? cf::arch::find $coin_alias{$_[0]}
724 : undef
491} 725}
492 726
493=item $value = cf::db_get $family => $key 727=item $value = cf::db_get $family => $key
494 728
495Returns a single value from the environment database. 729Returns a single value from the environment database.
497=item cf::db_put $family => $key => $value 731=item cf::db_put $family => $key => $value
498 732
499Stores the given C<$value> in the family. It can currently store binary 733Stores the given C<$value> in the family. It can currently store binary
500data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 734data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501 735
736=item $db = cf::db_table "name"
737
738Create and/or open a new database table. The string must not be "db" and must be unique
739within each server.
740
502=cut 741=cut
742
743sub db_table($) {
744 cf::error "db_get called from main context"
745 if $Coro::current == $Coro::main;
746
747 my ($name) = @_;
748 my $db = BDB::db_create $DB_ENV;
749
750 eval {
751 $db->set_flags (BDB::CHKSUM);
752
753 utf8::encode $name;
754 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
755 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
756 cf::cleanup "db_open(db): $!" if $!;
757 };
758 cf::cleanup "db_open(db): $@" if $@;
759
760 $db
761}
503 762
504our $DB; 763our $DB;
505 764
506sub db_init { 765sub db_init {
507 unless ($DB) { 766 $DB ||= db_table "db";
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job {
511 eval {
512 $DB->set_flags (BDB::CHKSUM);
513
514 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516 cf::cleanup "db_open(db): $!" if $!;
517 };
518 cf::cleanup "db_open(db): $@" if $@;
519 };
520 }
521} 767}
522 768
523sub db_get($$) { 769sub db_get($$) {
524 my $key = "$_[0]/$_[1]"; 770 my $key = "$_[0]/$_[1]";
525 771
526 cf::sync_job { 772 cf::error "db_get called from main context"
773 if $Coro::current == $Coro::main;
774
527 BDB::db_get $DB, undef, $key, my $data; 775 BDB::db_get $DB, undef, $key, my $data;
528 776
529 $! ? () 777 $! ? ()
530 : $data 778 : $data
531 }
532} 779}
533 780
534sub db_put($$$) { 781sub db_put($$$) {
535 BDB::dbreq_pri 4; 782 BDB::dbreq_pri 4;
536 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 783 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
564 811
565 my @data; 812 my @data;
566 my $md5; 813 my $md5;
567 814
568 for (0 .. $#$src) { 815 for (0 .. $#$src) {
569 0 <= aio_load $src->[$_], $data[$_] 816 $data[$_] = load_file $src->[$_];
570 or Carp::croak "$src->[$_]: $!";
571 } 817 }
572 818
573 # if processing is expensive, check 819 # if processing is expensive, check
574 # checksum first 820 # checksum first
575 if (1) { 821 if (1) {
576 $md5 = 822 $md5 =
577 join "\x00", 823 join "\x00",
578 $processversion, 824 $processversion,
579 map { 825 map {
580 Coro::cede; 826 cf::cede_to_tick;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 827 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src; 828 } 0.. $#$src;
583 829
584 830
585 my $dbmd5 = db_get cache => "$id/md5"; 831 my $dbmd5 = db_get cache => "$id/md5";
592 838
593 my $t1 = Time::HiRes::time; 839 my $t1 = Time::HiRes::time;
594 my $data = $process->(\@data); 840 my $data = $process->(\@data);
595 my $t2 = Time::HiRes::time; 841 my $t2 = Time::HiRes::time;
596 842
597 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 843 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598 844
599 db_put cache => "$id/data", $data; 845 db_put cache => "$id/data", $data;
600 db_put cache => "$id/md5" , $md5; 846 db_put cache => "$id/md5" , $md5;
601 db_put cache => "$id/meta", $meta; 847 db_put cache => "$id/meta", $meta;
602 848
612 858
613=cut 859=cut
614 860
615sub datalog($@) { 861sub datalog($@) {
616 my ($type, %kv) = @_; 862 my ($type, %kv) = @_;
617 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 863 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618} 864}
619 865
620=back 866=back
621 867
622=cut 868=cut
623 869
624############################################################################# 870#############################################################################
625 871
626=head2 ATTACHABLE OBJECTS 872=head2 ATTACHABLE OBJECTS
627 873
628Many objects in crossfire are so-called attachable objects. That means you can 874Many objects in deliantra are so-called attachable objects. That means you can
629attach callbacks/event handlers (a collection of which is called an "attachment") 875attach callbacks/event handlers (a collection of which is called an "attachment")
630to it. All such attachable objects support the following methods. 876to it. All such attachable objects support the following methods.
631 877
632In the following description, CLASS can be any of C<global>, C<object> 878In the following description, CLASS can be any of C<global>, C<object>
633C<player>, C<client> or C<map> (i.e. the attachable objects in 879C<player>, C<client> or C<map> (i.e. the attachable objects in
634Crossfire TRT). 880Deliantra).
635 881
636=over 4 882=over 4
637 883
638=item $attachable->attach ($attachment, key => $value...) 884=item $attachable->attach ($attachment, key => $value...)
639 885
683=item cf::CLASS::attachment $name, ... 929=item cf::CLASS::attachment $name, ...
684 930
685Register an attachment by C<$name> through which attachable objects of the 931Register an attachment by C<$name> through which attachable objects of the
686given CLASS can refer to this attachment. 932given CLASS can refer to this attachment.
687 933
688Some classes such as crossfire maps and objects can specify attachments 934Some classes such as deliantra maps and objects can specify attachments
689that are attached at load/instantiate time, thus the need for a name. 935that are attached at load/instantiate time, thus the need for a name.
690 936
691These calls expect any number of the following handler/hook descriptions: 937These calls expect any number of the following handler/hook descriptions:
692 938
693=over 4 939=over 4
817 1063
818 } elsif (exists $cb_id{$type}) { 1064 } elsif (exists $cb_id{$type}) {
819 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1065 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820 1066
821 } elsif (ref $type) { 1067 } elsif (ref $type) {
822 warn "attaching objects not supported, ignoring.\n"; 1068 error "attaching objects not supported, ignoring.\n";
823 1069
824 } else { 1070 } else {
825 shift @arg; 1071 shift @arg;
826 warn "attach argument '$type' not supported, ignoring.\n"; 1072 error "attach argument '$type' not supported, ignoring.\n";
827 } 1073 }
828 } 1074 }
829} 1075}
830 1076
831sub _object_attach { 1077sub _object_attach {
841 _attach $registry, $klass, @attach; 1087 _attach $registry, $klass, @attach;
842 } 1088 }
843 1089
844 $obj->{$name} = \%arg; 1090 $obj->{$name} = \%arg;
845 } else { 1091 } else {
846 warn "object uses attachment '$name' which is not available, postponing.\n"; 1092 info "object uses attachment '$name' which is not available, postponing.\n";
847 } 1093 }
848 1094
849 $obj->{_attachment}{$name} = undef; 1095 $obj->{_attachment}{$name} = undef;
850} 1096}
851 1097
910 1156
911 for (@$callbacks) { 1157 for (@$callbacks) {
912 eval { &{$_->[1]} }; 1158 eval { &{$_->[1]} };
913 1159
914 if ($@) { 1160 if ($@) {
915 warn "$@";
916 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1161 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917 override; 1162 override;
918 } 1163 }
919 1164
920 return 1 if $override; 1165 return 1 if $override;
921 } 1166 }
922 1167
923 0 1168 0
924} 1169}
925 1170
926=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1171=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927 1172
928=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1173=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929 1174
930Generate an object-specific event with the given arguments. 1175Generate an object-specific event with the given arguments.
931 1176
937 1182
938=cut 1183=cut
939 1184
940############################################################################# 1185#############################################################################
941# object support 1186# object support
942#
943 1187
1188sub _object_equal($$);
1189sub _object_equal($$) {
1190 my ($a, $b) = @_;
1191
1192 return 0 unless (ref $a) eq (ref $b);
1193
1194 if ("HASH" eq ref $a) {
1195 my @ka = keys %$a;
1196 my @kb = keys %$b;
1197
1198 return 0 if @ka != @kb;
1199
1200 for (0 .. $#ka) {
1201 return 0 unless $ka[$_] eq $kb[$_];
1202 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1203 }
1204
1205 } elsif ("ARRAY" eq ref $a) {
1206
1207 return 0 if @$a != @$b;
1208
1209 for (0 .. $#$a) {
1210 return 0 unless _object_equal $a->[$_], $b->[$_];
1211 }
1212
1213 } elsif ($a ne $b) {
1214 return 0;
1215 }
1216
1217 1
1218}
1219
1220our $SLOW_MERGES;#d#
944sub _can_merge { 1221sub _can_merge {
945 my ($ob1, $ob2) = @_; 1222 my ($ob1, $ob2) = @_;
946 1223
947 local $Storable::canonical = 1; 1224 ++$SLOW_MERGES;#d#
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950 1225
951 $fob1 eq $fob2 1226 # we do the slow way here
1227 return _object_equal $ob1, $ob2
952} 1228}
953 1229
954sub reattach { 1230sub reattach {
955 # basically do the same as instantiate, without calling instantiate 1231 # basically do the same as instantiate, without calling instantiate
956 my ($obj) = @_; 1232 my ($obj) = @_;
957 1233
1234 # no longer needed after getting rid of delete_package?
958 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1235 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959 1236
960 my $registry = $obj->registry; 1237 my $registry = $obj->registry;
961 1238
962 @$registry = (); 1239 @$registry = ();
963 1240
968 for (@$attach) { 1245 for (@$attach) {
969 my ($klass, @attach) = @$_; 1246 my ($klass, @attach) = @$_;
970 _attach $registry, $klass, @attach; 1247 _attach $registry, $klass, @attach;
971 } 1248 }
972 } else { 1249 } else {
973 warn "object uses attachment '$name' that is not available, postponing.\n"; 1250 info "object uses attachment '$name' that is not available, postponing.\n";
974 } 1251 }
975 } 1252 }
976} 1253}
977 1254
978cf::attachable->attach ( 1255cf::attachable->attach (
979 prio => -1000000, 1256 prio => -1000000,
980 on_instantiate => sub { 1257 on_instantiate => sub {
981 my ($obj, $data) = @_; 1258 my ($obj, $data) = @_;
982 1259
983 $data = from_json $data; 1260 $data = decode_json $data;
984 1261
985 for (@$data) { 1262 for (@$data) {
986 my ($name, $args) = @$_; 1263 my ($name, $args) = @$_;
987 1264
988 $obj->attach ($name, %{$args || {} }); 1265 $obj->attach ($name, %{$args || {} });
1004sub object_freezer_save { 1281sub object_freezer_save {
1005 my ($filename, $rdata, $objs) = @_; 1282 my ($filename, $rdata, $objs) = @_;
1006 1283
1007 sync_job { 1284 sync_job {
1008 if (length $$rdata) { 1285 if (length $$rdata) {
1286 utf8::decode (my $decname = $filename);
1009 warn sprintf "saving %s (%d,%d)\n", 1287 trace sprintf "saving %s (%d,%d)\n",
1010 $filename, length $$rdata, scalar @$objs; 1288 $decname, length $$rdata, scalar @$objs
1289 if $VERBOSE_IO;
1011 1290
1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1291 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013 chmod SAVE_MODE, $fh; 1292 aio_chmod $fh, SAVE_MODE;
1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1293 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015 aio_fsync $fh if $cf::USE_FSYNC; 1294 if ($cf::USE_FSYNC) {
1295 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;
1296 aio_fsync $fh;
1297 }
1016 close $fh; 1298 aio_close $fh;
1017 1299
1018 if (@$objs) { 1300 if (@$objs) {
1019 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1301 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020 chmod SAVE_MODE, $fh; 1302 aio_chmod $fh, SAVE_MODE;
1021 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1303 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022 aio_write $fh, 0, (length $data), $data, 0; 1304 aio_write $fh, 0, (length $data), $data, 0;
1023 aio_fsync $fh if $cf::USE_FSYNC; 1305 if ($cf::USE_FSYNC) {
1306 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;
1307 aio_fsync $fh;
1308 }
1024 close $fh; 1309 aio_close $fh;
1025 aio_rename "$filename.pst~", "$filename.pst"; 1310 aio_rename "$filename.pst~", "$filename.pst";
1026 } 1311 }
1027 } else { 1312 } else {
1028 aio_unlink "$filename.pst"; 1313 aio_unlink "$filename.pst";
1029 } 1314 }
1030 1315
1031 aio_rename "$filename~", $filename; 1316 aio_rename "$filename~", $filename;
1317
1318 $filename =~ s%/[^/]+$%%;
1319 aio_pathsync $filename if $cf::USE_FSYNC;
1032 } else { 1320 } else {
1033 warn "FATAL: $filename~: $!\n"; 1321 error "unable to save objects: $filename~: $!\n";
1034 } 1322 }
1035 } else { 1323 } else {
1036 aio_unlink $filename; 1324 aio_unlink $filename;
1037 aio_unlink "$filename.pst"; 1325 aio_unlink "$filename.pst";
1038 } 1326 }
1039 } 1327 };
1040} 1328}
1041 1329
1042sub object_freezer_as_string { 1330sub object_freezer_as_string {
1043 my ($rdata, $objs) = @_; 1331 my ($rdata, $objs) = @_;
1044 1332
1056 or return; 1344 or return;
1057 1345
1058 unless (aio_stat "$filename.pst") { 1346 unless (aio_stat "$filename.pst") {
1059 (aio_load "$filename.pst", $av) >= 0 1347 (aio_load "$filename.pst", $av) >= 0
1060 or return; 1348 or return;
1349
1061 $av = eval { (Storable::thaw $av)->{objs} }; 1350 my $st = eval { Coro::Storable::thaw $av };
1351 $av = $st->{objs};
1062 } 1352 }
1063 1353
1354 utf8::decode (my $decname = $filename);
1064 warn sprintf "loading %s (%d)\n", 1355 trace sprintf "loading %s (%d,%d)\n",
1065 $filename, length $data, scalar @{$av || []}; 1356 $decname, length $data, scalar @{$av || []}
1357 if $VERBOSE_IO;
1358
1066 return ($data, $av); 1359 ($data, $av)
1067} 1360}
1068 1361
1069=head2 COMMAND CALLBACKS 1362=head2 COMMAND CALLBACKS
1070 1363
1071=over 4 1364=over 4
1125 my ($name, $cb) = @_; 1418 my ($name, $cb) = @_;
1126 1419
1127 $EXTICMD{$name} = $cb; 1420 $EXTICMD{$name} = $cb;
1128} 1421}
1129 1422
1423use File::Glob ();
1424
1130cf::player->attach ( 1425cf::player->attach (
1131 on_command => sub { 1426 on_unknown_command => sub {
1132 my ($pl, $name, $params) = @_; 1427 my ($pl, $name, $params) = @_;
1133 1428
1134 my $cb = $COMMAND{$name} 1429 my $cb = $COMMAND{$name}
1135 or return; 1430 or return;
1136 1431
1149 my ($type, $reply, @payload) = 1444 my ($type, $reply, @payload) =
1150 "ARRAY" eq ref $msg 1445 "ARRAY" eq ref $msg
1151 ? @$msg 1446 ? @$msg
1152 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1447 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153 1448
1449 my @reply;
1450
1154 if (my $cb = $EXTCMD{$type}) { 1451 if (my $cb = $EXTCMD{$type}) {
1155 my @reply = $cb->($pl, @payload); 1452 @reply = $cb->($pl, @payload);
1156
1157 $pl->ext_reply ($reply, @reply)
1158 if $reply;
1159 } 1453 }
1454
1455 $pl->ext_reply ($reply, @reply)
1456 if $reply;
1457
1160 } else { 1458 } else {
1161 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1459 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162 } 1460 }
1163 1461
1164 cf::override; 1462 cf::override;
1165 }, 1463 },
1166); 1464);
1167 1465
1466# "readahead" all extensions
1467sub cache_extensions {
1468 my $grp = IO::AIO::aio_group;
1469
1470 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1471 for (grep /\.ext$/, @{$_[0]}) {
1472 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1473 }
1474 };
1475
1476 $grp
1477}
1478
1168sub load_extensions { 1479sub load_extensions {
1480 info "loading extensions...";
1481
1169 cf::sync_job { 1482 cf::sync_job {
1170 my %todo; 1483 my %todo;
1171 1484
1172 for my $path (<$LIBDIR/*.ext>) { 1485 for my $path (<$LIBDIR/*.ext>) {
1173 next unless -r $path; 1486 next unless -r $path;
1191 1504
1192 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1505 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1506 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194 1507
1195 $ext{source} = 1508 $ext{source} =
1196 "package $pkg; use strict; use utf8;\n" 1509 "package $pkg; use common::sense;\n"
1197 . "#line 1 \"$path\"\n{\n" 1510 . "#line 1 \"$path\"\n{\n"
1198 . $source 1511 . $source
1199 . "\n};\n1"; 1512 . "\n};\n1";
1200 1513
1201 $todo{$base} = \%ext; 1514 $todo{$base} = \%ext;
1202 } 1515 }
1203 1516
1517 my $pass = 0;
1204 my %done; 1518 my %done;
1205 while (%todo) { 1519 while (%todo) {
1206 my $progress; 1520 my $progress;
1207 1521
1522 ++$pass;
1523
1524 ext:
1208 while (my ($k, $v) = each %todo) { 1525 while (my ($k, $v) = each %todo) {
1209 for (split /,\s*/, $v->{meta}{depends}) { 1526 for (split /,\s*/, $v->{meta}{depends}) {
1210 goto skip 1527 next ext
1211 unless exists $done{$_}; 1528 unless exists $done{$_};
1212 } 1529 }
1213 1530
1214 warn "... loading '$k' into '$v->{pkg}'\n"; 1531 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215 1532
1216 unless (eval $v->{source}) { 1533 my $active = eval $v->{source};
1534
1535 if (length $@) {
1217 my $msg = $@ ? "$v->{path}: $@\n" 1536 error "$v->{path}: $@\n";
1218 : "$v->{base}: extension inactive.\n";
1219 1537
1538 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220 if (exists $v->{meta}{mandatory}) { 1539 if exists $v->{meta}{mandatory};
1221 warn $msg; 1540
1222 warn "mandatory extension failed to load, exiting.\n"; 1541 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223 exit 1; 1542 delete $todo{$k};
1224 } 1543 } else {
1225 1544 $done{$k} = delete $todo{$k};
1226 warn $msg; 1545 push @EXTS, $v->{pkg};
1546 $progress = 1;
1547
1548 info "$v->{base}: extension inactive.\n"
1549 unless $active;
1227 } 1550 }
1228
1229 $done{$k} = delete $todo{$k};
1230 push @EXTS, $v->{pkg};
1231 $progress = 1;
1232 } 1551 }
1233 1552
1234 skip: 1553 unless ($progress) {
1235 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1554 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236 unless $progress; 1555
1556 while (my ($k, $v) = each %todo) {
1557 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1558 if exists $v->{meta}{mandatory};
1559 }
1560
1561 last;
1562 }
1237 } 1563 }
1238 }; 1564 };
1239} 1565}
1240 1566
1241############################################################################# 1567#############################################################################
1242 1568
1243=back 1569=back
1244 1570
1245=head2 CORE EXTENSIONS 1571=head2 CORE EXTENSIONS
1246 1572
1247Functions and methods that extend core crossfire objects. 1573Functions and methods that extend core deliantra objects.
1248 1574
1249=cut 1575=cut
1250 1576
1251package cf::player; 1577package cf::player;
1252 1578
1253use Coro::AIO; 1579use Coro::AIO;
1254 1580
1255=head3 cf::player 1581=head3 cf::player
1256 1582
1257=over 4 1583=over 4
1584
1585=item cf::player::num_playing
1586
1587Returns the official number of playing players, as per the Crossfire metaserver rules.
1588
1589=cut
1590
1591sub num_playing {
1592 scalar grep
1593 $_->ob->map
1594 && !$_->hidden
1595 && !$_->ob->flag (cf::FLAG_WIZ),
1596 cf::player::list
1597}
1258 1598
1259=item cf::player::find $login 1599=item cf::player::find $login
1260 1600
1261Returns the given player object, loading it if necessary (might block). 1601Returns the given player object, loading it if necessary (might block).
1262 1602
1281 1621
1282sub exists($) { 1622sub exists($) {
1283 my ($login) = @_; 1623 my ($login) = @_;
1284 1624
1285 $cf::PLAYER{$login} 1625 $cf::PLAYER{$login}
1286 or cf::sync_job { !aio_stat path $login } 1626 or !aio_stat path $login
1287} 1627}
1288 1628
1289sub find($) { 1629sub find($) {
1290 return $cf::PLAYER{$_[0]} || do { 1630 return $cf::PLAYER{$_[0]} || do {
1291 my $login = $_[0]; 1631 my $login = $_[0];
1298 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1638 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1639 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1640 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301 aio_unlink +(playerdir $login) . "/$login.pl"; 1641 aio_unlink +(playerdir $login) . "/$login.pl";
1302 1642
1303 my $pl = load_pl path $login 1643 my $f = new_from_file cf::object::thawer path $login
1304 or return; 1644 or return;
1645
1646 my $pl = cf::player::load_pl $f
1647 or return;
1648
1649 local $cf::PLAYER_LOADING{$login} = $pl;
1650 $f->resolve_delayed_derefs;
1305 $cf::PLAYER{$login} = $pl 1651 $cf::PLAYER{$login} = $pl
1306 } 1652 }
1307 } 1653 }
1308} 1654}
1655
1656cf::player->attach (
1657 on_load => sub {
1658 my ($pl, $path) = @_;
1659
1660 # restore slots saved in save, below
1661 my $slots = delete $pl->{_slots};
1662
1663 $pl->ob->current_weapon ($slots->[0]);
1664 $pl->combat_ob ($slots->[1]);
1665 $pl->ranged_ob ($slots->[2]);
1666 },
1667);
1309 1668
1310sub save($) { 1669sub save($) {
1311 my ($pl) = @_; 1670 my ($pl) = @_;
1312 1671
1313 return if $pl->{deny_save}; 1672 return if $pl->{deny_save};
1318 return if $pl->{deny_save}; 1677 return if $pl->{deny_save};
1319 1678
1320 aio_mkdir playerdir $pl, 0770; 1679 aio_mkdir playerdir $pl, 0770;
1321 $pl->{last_save} = $cf::RUNTIME; 1680 $pl->{last_save} = $cf::RUNTIME;
1322 1681
1682 cf::get_slot 0.01;
1683
1684 # save slots, to be restored later
1685 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1686
1323 $pl->save_pl ($path); 1687 $pl->save_pl ($path);
1324 Coro::cede; 1688 cf::cede_to_tick;
1325} 1689}
1326 1690
1327sub new($) { 1691sub new($) {
1328 my ($login) = @_; 1692 my ($login) = @_;
1329 1693
1358 my ($pl) = @_; 1722 my ($pl) = @_;
1359 1723
1360 my $name = $pl->ob->name; 1724 my $name = $pl->ob->name;
1361 1725
1362 $pl->{deny_save} = 1; 1726 $pl->{deny_save} = 1;
1363 $pl->password ("*"); # this should lock out the player until we nuked the dir 1727 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1364 1728
1365 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1729 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366 $pl->deactivate; 1730 $pl->deactivate;
1731
1732 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1733 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1734 ext::highscore::check ($pl->ob);
1735
1368 $pl->ns->destroy if $pl->ns; 1736 $pl->ns->destroy if $pl->ns;
1369 1737
1370 my $path = playerdir $pl; 1738 my $path = playerdir $pl;
1371 my $temp = "$path~$cf::RUNTIME~deleting~"; 1739 my $temp = "$path~$cf::RUNTIME~deleting~";
1372 aio_rename $path, $temp; 1740 aio_rename $path, $temp;
1407 or return []; 1775 or return [];
1408 1776
1409 my @logins; 1777 my @logins;
1410 1778
1411 for my $login (@$dirs) { 1779 for my $login (@$dirs) {
1780 my $path = path $login;
1781
1782 # a .pst is a dead give-away for a valid player
1783 # if no pst file found, open and chekc for blocked users
1784 if (aio_stat "$path.pst") {
1412 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1785 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413 aio_read $fh, 0, 512, my $buf, 0 or next; 1786 aio_read $fh, 0, 512, my $buf, 0 or next;
1414 $buf !~ /^password -------------$/m or next; # official not-valid tag 1787 $buf !~ /^password -------------$/m or next; # official not-valid tag
1788 }
1415 1789
1416 utf8::decode $login; 1790 utf8::decode $login;
1417 push @logins, $login; 1791 push @logins, $login;
1418 } 1792 }
1419 1793
1420 \@logins 1794 \@logins
1421} 1795}
1422 1796
1423=item $player->maps 1797=item $player->maps
1798
1799=item cf::player::maps $login
1424 1800
1425Returns an arrayref of map paths that are private for this 1801Returns an arrayref of map paths that are private for this
1426player. May block. 1802player. May block.
1427 1803
1428=cut 1804=cut
1446 } 1822 }
1447 1823
1448 \@paths 1824 \@paths
1449} 1825}
1450 1826
1451=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1827=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452 1828
1453Expand crossfire pod fragments into protocol xml. 1829Expand deliantra pod fragments into protocol xml.
1454
1455=cut
1456
1457sub expand_cfpod {
1458 ((my $self), (local $_)) = @_;
1459
1460 # escape & and <
1461 s/&/&amp;/g;
1462 s/(?<![BIUGH])</&lt;/g;
1463
1464 # this is buggy, it needs to properly take care of nested <'s
1465
1466 1 while
1467 # replace B<>, I<>, U<> etc.
1468 s/B<([^\>]*)>/<b>$1<\/b>/
1469 || s/I<([^\>]*)>/<i>$1<\/i>/
1470 || s/U<([^\>]*)>/<u>$1<\/u>/
1471 # replace G<male|female> tags
1472 || s{G<([^>|]*)\|([^>]*)>}{
1473 $self->gender ? $2 : $1
1474 }ge
1475 # replace H<hint text>
1476 || s{H<([^\>]*)>}
1477 {
1478 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480 "")
1481 [$self->{hintmode}]
1482 }ge;
1483
1484 # create single paragraphs (very hackish)
1485 s/(?<=\S)\n(?=\w)/ /g;
1486
1487 # compress some whitespace
1488 s/\s+\n/\n/g; # ws line-ends
1489 s/\n\n+/\n/g; # double lines
1490 s/^\n+//; # beginning lines
1491 s/\n+$//; # ending lines
1492
1493 $_
1494}
1495
1496sub hintmode {
1497 $_[0]{hintmode} = $_[1] if @_ > 1;
1498 $_[0]{hintmode}
1499}
1500 1830
1501=item $player->ext_reply ($msgid, @msg) 1831=item $player->ext_reply ($msgid, @msg)
1502 1832
1503Sends an ext reply to the player. 1833Sends an ext reply to the player.
1504 1834
1505=cut 1835=cut
1506 1836
1507sub ext_reply($$@) { 1837sub ext_reply($$@) {
1508 my ($self, $id, @msg) = @_; 1838 my ($self, $id, @msg) = @_;
1509 1839
1510 if ($self->ns->extcmd == 2) { 1840 $self->ns->ext_reply ($id, @msg)
1511 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512 } elsif ($self->ns->extcmd == 1) {
1513 #TODO: version 1, remove
1514 unshift @msg, msgtype => "reply", msgid => $id;
1515 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516 }
1517} 1841}
1518 1842
1519=item $player->ext_msg ($type, @msg) 1843=item $player->ext_msg ($type, @msg)
1520 1844
1521Sends an ext event to the client. 1845Sends an ext event to the client.
1542 1866
1543=cut 1867=cut
1544 1868
1545sub find_by_path($) { 1869sub find_by_path($) {
1546 my ($path) = @_; 1870 my ($path) = @_;
1871
1872 $path =~ s/^~[^\/]*//; # skip ~login
1547 1873
1548 my ($match, $specificity); 1874 my ($match, $specificity);
1549 1875
1550 for my $region (list) { 1876 for my $region (list) {
1551 if ($region->{match} && $path =~ $region->{match}) { 1877 if ($region->{match} && $path =~ $region->{match}) {
1577our $MAX_RESET = 3600; 1903our $MAX_RESET = 3600;
1578our $DEFAULT_RESET = 3000; 1904our $DEFAULT_RESET = 3000;
1579 1905
1580sub generate_random_map { 1906sub generate_random_map {
1581 my ($self, $rmp) = @_; 1907 my ($self, $rmp) = @_;
1582 # mit "rum" bekleckern, nicht 1908
1909 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1910
1583 $self->_create_random_map ( 1911 $self->_create_random_map ($rmp);
1584 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587 $rmp->{exit_on_final_map},
1588 $rmp->{xsize}, $rmp->{ysize},
1589 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594 (cf::region::find $rmp->{region}), $rmp->{custom}
1595 )
1596} 1912}
1597 1913
1598=item cf::map->register ($regex, $prio) 1914=item cf::map->register ($regex, $prio)
1599 1915
1600Register a handler for the map path matching the given regex at the 1916Register a handler for the map path matching the given regex at the
1605 1921
1606sub register { 1922sub register {
1607 my (undef, $regex, $prio) = @_; 1923 my (undef, $regex, $prio) = @_;
1608 my $pkg = caller; 1924 my $pkg = caller;
1609 1925
1610 no strict;
1611 push @{"$pkg\::ISA"}, __PACKAGE__; 1926 push @{"$pkg\::ISA"}, __PACKAGE__;
1612 1927
1613 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1928 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614} 1929}
1615 1930
1616# also paths starting with '/' 1931# also paths starting with '/'
1617$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1932$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618 1933
1619sub thawer_merge { 1934sub thawer_merge {
1620 my ($self, $merge) = @_; 1935 my ($self, $merge) = @_;
1621 1936
1622 # we have to keep some variables in memory intact 1937 # we have to keep some variables in memory intact
1627} 1942}
1628 1943
1629sub normalise { 1944sub normalise {
1630 my ($path, $base) = @_; 1945 my ($path, $base) = @_;
1631 1946
1632 $path = "$path"; # make sure its a string 1947 $path = "$path"; # make sure it's a string
1633 1948
1634 $path =~ s/\.map$//; 1949 $path =~ s/\.map$//;
1635 1950
1636 # map plan: 1951 # map plan:
1637 # 1952 #
1652 $base =~ s{[^/]+/?$}{}; 1967 $base =~ s{[^/]+/?$}{};
1653 $path = "$base/$path"; 1968 $path = "$base/$path";
1654 } 1969 }
1655 1970
1656 for ($path) { 1971 for ($path) {
1657 redo if s{//}{/};
1658 redo if s{/\.?/}{/}; 1972 redo if s{/\.?/}{/};
1659 redo if s{/[^/]+/\.\./}{/}; 1973 redo if s{/[^/]+/\.\./}{/};
1660 } 1974 }
1661 1975
1662 $path 1976 $path
1676 $self->init; # pass $1 etc. 1990 $self->init; # pass $1 etc.
1677 return $self; 1991 return $self;
1678 } 1992 }
1679 } 1993 }
1680 1994
1681 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1995 Carp::cluck "unable to resolve path '$path' (base '$base')";
1682 () 1996 ()
1683} 1997}
1684 1998
1999# may re-bless or do other evil things
1685sub init { 2000sub init {
1686 my ($self) = @_; 2001 my ($self) = @_;
1687 2002
1688 $self 2003 $self
1689} 2004}
1708 2023
1709# the temporary/swap location 2024# the temporary/swap location
1710sub save_path { 2025sub save_path {
1711 my ($self) = @_; 2026 my ($self) = @_;
1712 2027
1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2028 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714 "$TMPDIR/$path.map" 2029 "$TMPDIR/$path.map"
1715} 2030}
1716 2031
1717# the unique path, undef == no special unique path 2032# the unique path, undef == no special unique path
1718sub uniq_path { 2033sub uniq_path {
1719 my ($self) = @_; 2034 my ($self) = @_;
1720 2035
1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2036 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722 "$UNIQUEDIR/$path" 2037 "$UNIQUEDIR/$path"
1723}
1724
1725# and all this just because we cannot iterate over
1726# all maps in C++...
1727sub change_all_map_light {
1728 my ($change) = @_;
1729
1730 $_->change_map_light ($change)
1731 for grep $_->outdoor, values %cf::MAP;
1732} 2038}
1733 2039
1734sub decay_objects { 2040sub decay_objects {
1735 my ($self) = @_; 2041 my ($self) = @_;
1736 2042
1749 2055
1750sub load_header_from($) { 2056sub load_header_from($) {
1751 my ($self, $path) = @_; 2057 my ($self, $path) = @_;
1752 2058
1753 utf8::encode $path; 2059 utf8::encode $path;
1754 #aio_open $path, O_RDONLY, 0 2060 my $f = new_from_file cf::object::thawer $path
1755 # or return;
1756
1757 $self->_load_header ($path)
1758 or return; 2061 or return;
1759 2062
2063 $self->_load_header ($f)
2064 or return;
2065
2066 local $MAP_LOADING{$self->{path}} = $self;
2067 $f->resolve_delayed_derefs;
2068
1760 $self->{load_path} = $path; 2069 $self->{load_path} = $path;
1761 2070
1762 1 2071 1
1763} 2072}
1764 2073
2074# used to laod the header of an original map
1765sub load_header_orig { 2075sub load_header_orig {
1766 my ($self) = @_; 2076 my ($self) = @_;
1767 2077
1768 $self->load_header_from ($self->load_path) 2078 $self->load_header_from ($self->load_path)
1769} 2079}
1770 2080
2081# used to laod the header of an instantiated map
1771sub load_header_temp { 2082sub load_header_temp {
1772 my ($self) = @_; 2083 my ($self) = @_;
1773 2084
1774 $self->load_header_from ($self->save_path) 2085 $self->load_header_from ($self->save_path)
1775} 2086}
1776 2087
2088# called after loading the header from an instantiated map
1777sub prepare_temp { 2089sub prepare_temp {
1778 my ($self) = @_; 2090 my ($self) = @_;
1779 2091
1780 $self->last_access ((delete $self->{last_access}) 2092 $self->last_access ((delete $self->{last_access})
1781 || $cf::RUNTIME); #d# 2093 || $cf::RUNTIME); #d#
1782 # safety 2094 # safety
1783 $self->{instantiate_time} = $cf::RUNTIME 2095 $self->{instantiate_time} = $cf::RUNTIME
1784 if $self->{instantiate_time} > $cf::RUNTIME; 2096 if $self->{instantiate_time} > $cf::RUNTIME;
1785} 2097}
1786 2098
2099# called after loading the header from an original map
1787sub prepare_orig { 2100sub prepare_orig {
1788 my ($self) = @_; 2101 my ($self) = @_;
1789 2102
1790 $self->{load_original} = 1; 2103 $self->{load_original} = 1;
1791 $self->{instantiate_time} = $cf::RUNTIME; 2104 $self->{instantiate_time} = $cf::RUNTIME;
1815 2128
1816sub find; 2129sub find;
1817sub find { 2130sub find {
1818 my ($path, $origin) = @_; 2131 my ($path, $origin) = @_;
1819 2132
2133 cf::cede_to_tick;
2134
1820 $path = normalise $path, $origin && $origin->path; 2135 $path = normalise $path, $origin;
1821 2136
2137 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822 cf::lock_wait "map_find:$path"; 2138 my $guard2 = cf::lock_acquire "map_find:$path";
1823 2139
1824 $cf::MAP{$path} || do { 2140 $cf::MAP{$path} || do {
1825 my $guard = cf::lock_acquire "map_find:$path";
1826 my $map = new_from_path cf::map $path 2141 my $map = new_from_path cf::map $path
1827 or return; 2142 or return;
1828 2143
1829 $map->{last_save} = $cf::RUNTIME; 2144 $map->{last_save} = $cf::RUNTIME;
1830 2145
1832 or return; 2147 or return;
1833 2148
1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2149 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835 # doing this can freeze the server in a sync job, obviously 2150 # doing this can freeze the server in a sync job, obviously
1836 #$cf::WAIT_FOR_TICK->wait; 2151 #$cf::WAIT_FOR_TICK->wait;
2152 undef $guard2;
2153 undef $guard1;
1837 $map->reset; 2154 $map->reset;
1838 undef $guard;
1839 return find $path; 2155 return find $path;
1840 } 2156 }
1841 2157
1842 $cf::MAP{$path} = $map 2158 $cf::MAP{$path} = $map
1843 } 2159 }
1844} 2160}
1845 2161
1846sub pre_load { } 2162sub pre_load { }
1847sub post_load { } 2163#sub post_load { } # XS
1848 2164
1849sub load { 2165sub load {
1850 my ($self) = @_; 2166 my ($self) = @_;
1851 2167
1852 local $self->{deny_reset} = 1; # loading can take a long time 2168 local $self->{deny_reset} = 1; # loading can take a long time
1853 2169
1854 my $path = $self->{path}; 2170 my $path = $self->{path};
1855 2171
1856 { 2172 {
1857 my $guard = cf::lock_acquire "map_load:$path"; 2173 my $guard = cf::lock_acquire "map_data:$path";
1858 2174
2175 return unless $self->valid;
1859 return if $self->in_memory != cf::MAP_SWAPPED; 2176 return unless $self->in_memory == cf::MAP_SWAPPED;
1860 2177
1861 $self->in_memory (cf::MAP_LOADING); 2178 $self->in_memory (cf::MAP_LOADING);
1862 2179
1863 $self->alloc; 2180 $self->alloc;
1864 2181
1865 $self->pre_load; 2182 $self->pre_load;
1866 Coro::cede; 2183 cf::cede_to_tick;
1867 2184
1868 $self->_load_objects ($self->{load_path}, 1) 2185 if (exists $self->{load_path}) {
2186 my $f = new_from_file cf::object::thawer $self->{load_path};
2187 $f->skip_block;
2188 $self->_load_objects ($f)
1869 or return; 2189 or return;
1870 2190
1871 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2191 $self->post_load_original
1872 if delete $self->{load_original}; 2192 if delete $self->{load_original};
1873 2193
1874 if (my $uniq = $self->uniq_path) { 2194 if (my $uniq = $self->uniq_path) {
1875 utf8::encode $uniq; 2195 utf8::encode $uniq;
1876 if (aio_open $uniq, O_RDONLY, 0) { 2196 unless (aio_stat $uniq) {
2197 if (my $f = new_from_file cf::object::thawer $uniq) {
1877 $self->clear_unique_items; 2198 $self->clear_unique_items;
1878 $self->_load_objects ($uniq, 0); 2199 $self->_load_objects ($f);
2200 $f->resolve_delayed_derefs;
2201 }
2202 }
1879 } 2203 }
1880 }
1881 2204
1882 Coro::cede; 2205 $f->resolve_delayed_derefs;
2206 } else {
2207 $self->post_load_original
2208 if delete $self->{load_original};
2209 }
2210
2211 cf::cede_to_tick;
1883 # now do the right thing for maps 2212 # now do the right thing for maps
1884 $self->link_multipart_objects; 2213 $self->link_multipart_objects;
1885 $self->difficulty ($self->estimate_difficulty) 2214 $self->difficulty ($self->estimate_difficulty)
1886 unless $self->difficulty; 2215 unless $self->difficulty;
1887 Coro::cede; 2216 cf::cede_to_tick;
1888 2217
1889 unless ($self->{deny_activate}) { 2218 unless ($self->{deny_activate}) {
1890 $self->decay_objects; 2219 $self->decay_objects;
1891 $self->fix_auto_apply; 2220 $self->fix_auto_apply;
1892 $self->update_buttons; 2221 $self->update_buttons;
1893 Coro::cede; 2222 cf::cede_to_tick;
1894 $self->set_darkness_map; 2223 #$self->activate; # no longer activate maps automatically
1895 Coro::cede;
1896 $self->activate;
1897 } 2224 }
1898 2225
1899 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1900 $self->last_access ($cf::RUNTIME); 2227 $self->last_access ($cf::RUNTIME);
1901 2228
1902 $self->in_memory (cf::MAP_IN_MEMORY); 2229 $self->in_memory (cf::MAP_ACTIVE);
1903 } 2230 }
1904 2231
1905 $self->post_load; 2232 $self->post_load;
1906}
1907 2233
2234 1
2235}
2236
2237# customize the map for a given player, i.e.
2238# return the _real_ map. used by e.g. per-player
2239# maps to change the path to ~playername/mappath
1908sub customise_for { 2240sub customise_for {
1909 my ($self, $ob) = @_; 2241 my ($self, $ob) = @_;
1910 2242
1911 return find "~" . $ob->name . "/" . $self->{path} 2243 return find "~" . $ob->name . "/" . $self->{path}
1912 if $self->per_player; 2244 if $self->per_player;
1928 or next; 2260 or next;
1929 $neigh = find $neigh, $map 2261 $neigh = find $neigh, $map
1930 or next; 2262 or next;
1931 $neigh->load; 2263 $neigh->load;
1932 2264
2265 # now find the diagonal neighbours
1933 push @neigh, 2266 push @neigh,
1934 [$neigh->tile_path (($_ + 3) % 4), $neigh], 2267 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1935 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2268 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1936 } 2269 }
1937 2270
1944} 2277}
1945 2278
1946sub find_sync { 2279sub find_sync {
1947 my ($path, $origin) = @_; 2280 my ($path, $origin) = @_;
1948 2281
1949 cf::sync_job { find $path, $origin } 2282 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2283 if $Coro::current == $Coro::main;
2284
2285 find $path, $origin
1950} 2286}
1951 2287
1952sub do_load_sync { 2288sub do_load_sync {
1953 my ($map) = @_; 2289 my ($map) = @_;
1954 2290
1955 cf::sync_job { $map->load }; 2291 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2292 if $Coro::current == $Coro::main;
2293
2294 $map->load;
1956} 2295}
1957 2296
1958our %MAP_PREFETCH; 2297our %MAP_PREFETCH;
1959our $MAP_PREFETCHER = undef; 2298our $MAP_PREFETCHER = undef;
1960 2299
1961sub find_async { 2300sub find_async {
1962 my ($path, $origin) = @_; 2301 my ($path, $origin, $load) = @_;
1963 2302
1964 $path = normalise $path, $origin && $origin->{path}; 2303 $path = normalise $path, $origin;
1965 2304
1966 if (my $map = $cf::MAP{$path}) { 2305 if (my $map = $cf::MAP{$path}) {
1967 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2306 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968 } 2307 }
1969 2308
1970 undef $MAP_PREFETCH{$path}; 2309 $MAP_PREFETCH{$path} |= $load;
2310
1971 $MAP_PREFETCHER ||= cf::async { 2311 $MAP_PREFETCHER ||= cf::async {
2312 $Coro::current->{desc} = "map prefetcher";
2313
1972 while (%MAP_PREFETCH) { 2314 while (%MAP_PREFETCH) {
1973 for my $path (keys %MAP_PREFETCH) { 2315 while (my ($k, $v) = each %MAP_PREFETCH) {
1974 if (my $map = find $path) { 2316 if (my $map = find $k) {
1975 $map->load; 2317 $map->load if $v;
1976 } 2318 }
1977 2319
1978 delete $MAP_PREFETCH{$path}; 2320 delete $MAP_PREFETCH{$k};
1979 } 2321 }
1980 } 2322 }
1981 undef $MAP_PREFETCHER; 2323 undef $MAP_PREFETCHER;
1982 }; 2324 };
1983 $MAP_PREFETCHER->prio (6); 2325 $MAP_PREFETCHER->prio (6);
1984 2326
1985 () 2327 ()
1986} 2328}
1987 2329
2330# common code, used by both ->save and ->swapout
1988sub save { 2331sub _save {
1989 my ($self) = @_; 2332 my ($self) = @_;
1990
1991 my $lock = cf::lock_acquire "map_data:" . $self->path;
1992 2333
1993 $self->{last_save} = $cf::RUNTIME; 2334 $self->{last_save} = $cf::RUNTIME;
1994 2335
1995 return unless $self->dirty; 2336 return unless $self->dirty;
1996 2337
2002 return if $self->{deny_save}; 2343 return if $self->{deny_save};
2003 2344
2004 local $self->{last_access} = $self->last_access;#d# 2345 local $self->{last_access} = $self->last_access;#d#
2005 2346
2006 cf::async { 2347 cf::async {
2348 $Coro::current->{desc} = "map player save";
2007 $_->contr->save for $self->players; 2349 $_->contr->save for $self->players;
2008 }; 2350 };
2351
2352 cf::get_slot 0.02;
2009 2353
2010 if ($uniq) { 2354 if ($uniq) {
2011 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2355 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2356 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2013 } else { 2357 } else {
2014 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2358 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015 } 2359 }
2016} 2360}
2017 2361
2362sub save {
2363 my ($self) = @_;
2364
2365 my $lock = cf::lock_acquire "map_data:$self->{path}";
2366
2367 $self->_save;
2368}
2369
2018sub swap_out { 2370sub swap_out {
2019 my ($self) = @_; 2371 my ($self) = @_;
2020 2372
2021 # save first because save cedes
2022 $self->save;
2023
2024 my $lock = cf::lock_acquire "map_data:" . $self->path; 2373 my $lock = cf::lock_acquire "map_data:$self->{path}";
2025 2374
2375 return if $self->in_memory != cf::MAP_ACTIVE;
2376 return if $self->{deny_save};
2026 return if $self->players; 2377 return if $self->players;
2027 return if $self->in_memory != cf::MAP_IN_MEMORY;
2028 return if $self->{deny_save};
2029 2378
2379 # first deactivate the map and "unlink" it from the core
2380 $self->deactivate;
2381 $_->clear_links_to ($self) for values %cf::MAP;
2382 $self->in_memory (cf::MAP_SWAPPED);
2383
2384 # then atomically save
2385 $self->_save;
2386
2387 # then free the map
2030 $self->clear; 2388 $self->clear;
2031 $self->in_memory (cf::MAP_SWAPPED);
2032} 2389}
2033 2390
2034sub reset_at { 2391sub reset_at {
2035 my ($self) = @_; 2392 my ($self) = @_;
2036 2393
2054 2411
2055 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2412 my $lock = cf::lock_acquire "map_data:$self->{path}";
2056 2413
2057 return if $self->players; 2414 return if $self->players;
2058 2415
2059 warn "resetting map ", $self->path; 2416 cf::trace "resetting map ", $self->path, "\n";
2060 2417
2061 $self->in_memory (cf::MAP_SWAPPED); 2418 $self->in_memory (cf::MAP_SWAPPED);
2062 2419
2063 # need to save uniques path 2420 # need to save uniques path
2064 unless ($self->{deny_save}) { 2421 unless ($self->{deny_save}) {
2068 if $uniq; 2425 if $uniq;
2069 } 2426 }
2070 2427
2071 delete $cf::MAP{$self->path}; 2428 delete $cf::MAP{$self->path};
2072 2429
2430 $self->deactivate;
2431 $_->clear_links_to ($self) for values %cf::MAP;
2073 $self->clear; 2432 $self->clear;
2074
2075 $_->clear_links_to ($self) for values %cf::MAP;
2076 2433
2077 $self->unlink_save; 2434 $self->unlink_save;
2078 $self->destroy; 2435 $self->destroy;
2079} 2436}
2080 2437
2081my $nuke_counter = "aaaa"; 2438my $nuke_counter = "aaaa";
2082 2439
2083sub nuke { 2440sub nuke {
2084 my ($self) = @_; 2441 my ($self) = @_;
2085 2442
2443 {
2444 my $lock = cf::lock_acquire "map_data:$self->{path}";
2445
2086 delete $cf::MAP{$self->path}; 2446 delete $cf::MAP{$self->path};
2087 2447
2088 $self->unlink_save; 2448 $self->unlink_save;
2089 2449
2090 bless $self, "cf::map"; 2450 bless $self, "cf::map::wrap";
2091 delete $self->{deny_reset}; 2451 delete $self->{deny_reset};
2092 $self->{deny_save} = 1; 2452 $self->{deny_save} = 1;
2093 $self->reset_timeout (1); 2453 $self->reset_timeout (1);
2094 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2454 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095 2455
2096 $cf::MAP{$self->path} = $self; 2456 $cf::MAP{$self->path} = $self;
2457 }
2097 2458
2098 $self->reset; # polite request, might not happen 2459 $self->reset; # polite request, might not happen
2099} 2460}
2100 2461
2101=item $maps = cf::map::tmp_maps 2462=item $maps = cf::map::tmp_maps
2143 2504
2144sub unique_maps() { 2505sub unique_maps() {
2145 [ 2506 [
2146 map { 2507 map {
2147 utf8::decode $_; 2508 utf8::decode $_;
2148 /\.map$/ 2509 s/\.map$//; # TODO future compatibility hack
2510 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2511 ? ()
2149 ? normalise $_ 2512 : normalise $_
2150 : ()
2151 } @{ aio_readdir $UNIQUEDIR or [] } 2513 } @{ aio_readdir $UNIQUEDIR or [] }
2152 ] 2514 ]
2153} 2515}
2154 2516
2155package cf; 2517=item cf::map::static_maps
2518
2519Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2520file in the shared directory excluding F</styles> and F</editor>). May
2521block.
2522
2523=cut
2524
2525sub static_maps() {
2526 my @dirs = "";
2527 my @maps;
2528
2529 while (@dirs) {
2530 my $dir = shift @dirs;
2531
2532 next if $dir eq "/styles" || $dir eq "/editor";
2533
2534 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2535 or return;
2536
2537 for (@$files) {
2538 s/\.map$// or next;
2539 utf8::decode $_;
2540 push @maps, "$dir/$_";
2541 }
2542
2543 push @dirs, map "$dir/$_", @$dirs;
2544 }
2545
2546 \@maps
2547}
2156 2548
2157=back 2549=back
2158 2550
2159=head3 cf::object 2551=head3 cf::object
2160 2552
2164 2556
2165=over 4 2557=over 4
2166 2558
2167=item $ob->inv_recursive 2559=item $ob->inv_recursive
2168 2560
2169Returns the inventory of the object _and_ their inventories, recursively. 2561Returns the inventory of the object I<and> their inventories, recursively,
2562but I<not> the object itself.
2170 2563
2171=cut 2564=cut
2172 2565
2173sub inv_recursive_; 2566sub inv_recursive_;
2174sub inv_recursive_ { 2567sub inv_recursive_ {
2177 2570
2178sub inv_recursive { 2571sub inv_recursive {
2179 inv_recursive_ inv $_[0] 2572 inv_recursive_ inv $_[0]
2180} 2573}
2181 2574
2575=item $ref = $ob->ref
2576
2577Creates and returns a persistent reference to an object that can be stored as a string.
2578
2579=item $ob = cf::object::deref ($refstring)
2580
2581returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2582even if the object actually exists. May block.
2583
2584=cut
2585
2586sub deref {
2587 my ($ref) = @_;
2588
2589 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2590 my ($uuid, $name) = ($1, $2);
2591 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2592 or return;
2593 $pl->ob->uuid eq $uuid
2594 or return;
2595
2596 $pl->ob
2597 } else {
2598 warn "$ref: cannot resolve object reference\n";
2599 undef
2600 }
2601}
2602
2182package cf; 2603package cf;
2183 2604
2184=back 2605=back
2185 2606
2186=head3 cf::object::player 2607=head3 cf::object::player
2192Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2613Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2193can be C<undef>. Does the right thing when the player is currently in a 2614can be C<undef>. Does the right thing when the player is currently in a
2194dialogue with the given NPC character. 2615dialogue with the given NPC character.
2195 2616
2196=cut 2617=cut
2618
2619our $SAY_CHANNEL = {
2620 id => "say",
2621 title => "Map",
2622 reply => "say ",
2623 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2624};
2625
2626our $CHAT_CHANNEL = {
2627 id => "chat",
2628 title => "Chat",
2629 reply => "chat ",
2630 tooltip => "Player chat and shouts, global to the server.",
2631};
2197 2632
2198# rough implementation of a future "reply" method that works 2633# rough implementation of a future "reply" method that works
2199# with dialog boxes. 2634# with dialog boxes.
2200#TODO: the first argument must go, split into a $npc->reply_to ( method 2635#TODO: the first argument must go, split into a $npc->reply_to ( method
2201sub cf::object::player::reply($$$;$) { 2636sub cf::object::player::reply($$$;$) {
2213 my $dialog = $pl->{npc_dialog}; 2648 my $dialog = $pl->{npc_dialog};
2214 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2649 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215 2650
2216 } else { 2651 } else {
2217 $msg = $npc->name . " says: $msg" if $npc; 2652 $msg = $npc->name . " says: $msg" if $npc;
2218 $self->message ($msg, $flags); 2653 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219 } 2654 }
2220 } 2655 }
2221} 2656}
2222 2657
2223=item $object->send_msg ($channel, $msg, $color, [extra...]) 2658=item $object->send_msg ($channel, $msg, $color, [extra...])
2248 2683
2249=item $player_object->enter_link 2684=item $player_object->enter_link
2250 2685
2251Freezes the player and moves him/her to a special map (C<{link}>). 2686Freezes the player and moves him/her to a special map (C<{link}>).
2252 2687
2253The player should be reasonably safe there for short amounts of time. You 2688The player should be reasonably safe there for short amounts of time (e.g.
2254I<MUST> call C<leave_link> as soon as possible, though. 2689for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2690though, as the player cannot control the character while it is on the link
2691map.
2255 2692
2256Will never block. 2693Will never block.
2257 2694
2258=item $player_object->leave_link ($map, $x, $y) 2695=item $player_object->leave_link ($map, $x, $y)
2259 2696
2279sub cf::object::player::enter_link { 2716sub cf::object::player::enter_link {
2280 my ($self) = @_; 2717 my ($self) = @_;
2281 2718
2282 $self->deactivate_recursive; 2719 $self->deactivate_recursive;
2283 2720
2721 ++$self->{_link_recursion};
2722
2284 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2723 return if UNIVERSAL::isa $self->map, "ext::map_link";
2285 2724
2286 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2725 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287 if $self->map && $self->map->{path} ne "{link}"; 2726 if $self->map && $self->map->{path} ne "{link}";
2288 2727
2289 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2728 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2290} 2729}
2291 2730
2292sub cf::object::player::leave_link { 2731sub cf::object::player::leave_link {
2293 my ($self, $map, $x, $y) = @_; 2732 my ($self, $map, $x, $y) = @_;
2294 2733
2311 ($x, $y) = (-1, -1) 2750 ($x, $y) = (-1, -1)
2312 unless (defined $x) && (defined $y); 2751 unless (defined $x) && (defined $y);
2313 2752
2314 # use -1 or undef as default coordinates, not 0, 0 2753 # use -1 or undef as default coordinates, not 0, 0
2315 ($x, $y) = ($map->enter_x, $map->enter_y) 2754 ($x, $y) = ($map->enter_x, $map->enter_y)
2316 if $x <=0 && $y <= 0; 2755 if $x <= 0 && $y <= 0;
2317 2756
2318 $map->load; 2757 $map->load;
2319 $map->load_neighbours; 2758 $map->load_neighbours;
2320 2759
2321 return unless $self->contr->active; 2760 return unless $self->contr->active;
2322 $self->activate_recursive;
2323 2761
2324 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2762 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325 $self->enter_map ($map, $x, $y); 2763 if ($self->enter_map ($map, $x, $y)) {
2326} 2764 # entering was successful
2765 delete $self->{_link_recursion};
2766 # only activate afterwards, to support waiting in hooks
2767 $self->activate_recursive;
2768 }
2327 2769
2770}
2771
2328=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2772=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329 2773
2330Moves the player to the given map-path and coordinates by first freezing 2774Moves the player to the given map-path and coordinates by first freezing
2331her, loading and preparing them map, calling the provided $check callback 2775her, loading and preparing them map, calling the provided $check callback
2332that has to return the map if sucecssful, and then unfreezes the player on 2776that has to return the map if sucecssful, and then unfreezes the player on
2333the new (success) or old (failed) map position. In either case, $done will 2777the new (success) or old (failed) map position. In either case, $done will
2334be called at the end of this process. 2778be called at the end of this process.
2335 2779
2780Note that $check will be called with a potentially non-loaded map, so if
2781it needs a loaded map it has to call C<< ->load >>.
2782
2336=cut 2783=cut
2337 2784
2338our $GOTOGEN; 2785our $GOTOGEN;
2339 2786
2340sub cf::object::player::goto { 2787sub cf::object::player::goto {
2341 my ($self, $path, $x, $y, $check, $done) = @_; 2788 my ($self, $path, $x, $y, $check, $done) = @_;
2342 2789
2790 if ($self->{_link_recursion} >= $MAX_LINKS) {
2791 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2792 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2793 ($path, $x, $y) = @$EMERGENCY_POSITION;
2794 }
2795
2343 # do generation counting so two concurrent goto's will be executed in-order 2796 # do generation counting so two concurrent goto's will be executed in-order
2344 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2797 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345 2798
2346 $self->enter_link; 2799 $self->enter_link;
2347 2800
2348 (async { 2801 (async {
2802 $Coro::current->{desc} = "player::goto $path $x $y";
2803
2804 # *tag paths override both path and x|y
2805 if ($path =~ /^\*(.*)$/) {
2806 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2807 my $ob = $obs[rand @obs];
2808
2809 # see if we actually can go there
2810 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2811 $ob = $obs[rand @obs];
2812 } else {
2813 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2814 }
2815 # else put us there anyways for now #d#
2816
2817 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2818 } else {
2819 ($path, $x, $y) = (undef, undef, undef);
2820 }
2821 }
2822
2349 my $map = eval { 2823 my $map = eval {
2350 my $map = cf::map::find $path; 2824 my $map = defined $path ? cf::map::find $path, $self->map : undef;
2351 2825
2352 if ($map) { 2826 if ($map) {
2353 $map = $map->customise_for ($self); 2827 $map = $map->customise_for ($self);
2354 $map = $check->($map) if $check && $map; 2828 $map = $check->($map, $x, $y, $self) if $check && $map;
2355 } else { 2829 } else {
2356 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2830 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357 } 2831 }
2358 2832
2359 $map 2833 $map
2360 }; 2834 };
2361 2835
2367 if ($gen == $self->{_goto_generation}) { 2841 if ($gen == $self->{_goto_generation}) {
2368 delete $self->{_goto_generation}; 2842 delete $self->{_goto_generation};
2369 $self->leave_link ($map, $x, $y); 2843 $self->leave_link ($map, $x, $y);
2370 } 2844 }
2371 2845
2372 $done->() if $done; 2846 $done->($self) if $done;
2373 })->prio (1); 2847 })->prio (1);
2374} 2848}
2375 2849
2376=item $player_object->enter_exit ($exit_object) 2850=item $player_object->enter_exit ($exit_object)
2377 2851
2397} 2871}
2398 2872
2399sub prepare_random_map { 2873sub prepare_random_map {
2400 my ($exit) = @_; 2874 my ($exit) = @_;
2401 2875
2402 my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404 # all this does is basically replace the /! path by 2876 # all this does is basically replace the /! path by
2405 # a new random map path (?random/...) with a seed 2877 # a new random map path (?random/...) with a seed
2406 # that depends on the exit object 2878 # that depends on the exit object
2407 2879
2408 my $rmp = parse_random_map_params $exit->msg; 2880 my $rmp = parse_random_map_params $exit->msg;
2410 if ($exit->map) { 2882 if ($exit->map) {
2411 $rmp->{region} = $exit->region->name; 2883 $rmp->{region} = $exit->region->name;
2412 $rmp->{origin_map} = $exit->map->path; 2884 $rmp->{origin_map} = $exit->map->path;
2413 $rmp->{origin_x} = $exit->x; 2885 $rmp->{origin_x} = $exit->x;
2414 $rmp->{origin_y} = $exit->y; 2886 $rmp->{origin_y} = $exit->y;
2887
2888 $exit->map->touch;
2415 } 2889 }
2416 2890
2417 $rmp->{random_seed} ||= $exit->random_seed; 2891 $rmp->{random_seed} ||= $exit->random_seed;
2418 2892
2419 my $data = cf::to_json $rmp; 2893 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420 my $md5 = Digest::MD5::md5_hex $data; 2894 my $md5 = Digest::MD5::md5_hex $data;
2421 my $meta = "$RANDOMDIR/$md5.meta"; 2895 my $meta = "$RANDOMDIR/$md5.meta";
2422 2896
2423 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2897 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424 aio_write $fh, 0, (length $data), $data, 0; 2898 aio_write $fh, 0, (length $data), $data, 0;
2425 undef $fh; 2899 undef $fh;
2426 aio_rename "$meta~", $meta; 2900 aio_rename "$meta~", $meta;
2427 2901
2902 my $slaying = "?random/$md5";
2903
2904 if ($exit->valid) {
2428 $exit->slaying ("?random/$md5"); 2905 $exit->slaying ("?random/$md5");
2429 $exit->msg (undef); 2906 $exit->msg (undef);
2907 }
2430 } 2908 }
2431} 2909}
2432 2910
2433sub cf::object::player::enter_exit { 2911sub cf::object::player::enter_exit {
2434 my ($self, $exit) = @_; 2912 my ($self, $exit) = @_;
2435 2913
2436 return unless $self->type == cf::PLAYER; 2914 return unless $self->type == cf::PLAYER;
2437 2915
2438 if ($exit->slaying eq "/!") {
2439 #TODO: this should de-fi-ni-te-ly not be a sync-job
2440 # the problem is that $exit might not survive long enough
2441 # so it needs to be done right now, right here
2442 cf::sync_job { prepare_random_map $exit };
2443 }
2444
2445 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446 my $hp = $exit->stats->hp;
2447 my $sp = $exit->stats->sp;
2448
2449 $self->enter_link; 2916 $self->enter_link;
2450 2917
2451 # if exit is damned, update players death & WoR home-position
2452 $self->contr->savebed ($slaying, $hp, $sp)
2453 if $exit->flag (FLAG_DAMNED);
2454
2455 (async { 2918 (async {
2456 $self->deactivate_recursive; # just to be sure 2919 $Coro::current->{desc} = "enter_exit";
2920
2457 unless (eval { 2921 unless (eval {
2922 $self->deactivate_recursive; # just to be sure
2923
2924 my $map = cf::map::normalise $exit->slaying, $exit->map;
2925 my $x = $exit->stats->hp;
2926 my $y = $exit->stats->sp;
2927
2928 # special map handling
2929 my $slaying = $exit->slaying;
2930
2931 # special map handling
2932 if ($slaying eq "/!") {
2933 my $guard = cf::lock_acquire "exit_prepare:$exit";
2934
2935 prepare_random_map $exit
2936 if $slaying eq "/!"; # need to re-check after getting the lock
2937
2938 } elsif ($slaying eq '!up') {
2939 $map = $exit->map->tile_path (cf::TILE_UP);
2940 $x = $exit->x;
2941 $y = $exit->y;
2942
2943 } elsif ($slaying eq '!down') {
2944 $map = $exit->map->tile_path (cf::TILE_DOWN);
2945 $x = $exit->x;
2946 $y = $exit->y;
2947 }
2948
2458 $self->goto ($slaying, $hp, $sp); 2949 $self->goto ($map, $x, $y);
2459 2950
2951 # if exit is damned, update players death & WoR home-position
2952 $self->contr->savebed ($map, $x, $y)
2953 if $exit->flag (cf::FLAG_DAMNED);
2954
2460 1; 2955 1
2461 }) { 2956 }) {
2462 $self->message ("Something went wrong deep within the crossfire server. " 2957 $self->message ("Something went wrong deep within the deliantra server. "
2463 . "I'll try to bring you back to the map you were before. " 2958 . "I'll try to bring you back to the map you were before. "
2464 . "Please report this to the dungeon master!", 2959 . "Please report this to the dungeon master!",
2465 cf::NDI_UNIQUE | cf::NDI_RED); 2960 cf::NDI_UNIQUE | cf::NDI_RED);
2466 2961
2467 warn "ERROR in enter_exit: $@"; 2962 error "ERROR in enter_exit: $@";
2468 $self->leave_link; 2963 $self->leave_link;
2469 } 2964 }
2470 })->prio (1); 2965 })->prio (1);
2471} 2966}
2472 2967
2484sub cf::client::send_drawinfo { 2979sub cf::client::send_drawinfo {
2485 my ($self, $text, $flags) = @_; 2980 my ($self, $text, $flags) = @_;
2486 2981
2487 utf8::encode $text; 2982 utf8::encode $text;
2488 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2983 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2984}
2985
2986=item $client->send_big_packet ($pkt)
2987
2988Like C<send_packet>, but tries to compress large packets, and fragments
2989them as required.
2990
2991=cut
2992
2993our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2994
2995sub cf::client::send_big_packet {
2996 my ($self, $pkt) = @_;
2997
2998 # try lzf for large packets
2999 $pkt = "lzf " . Compress::LZF::compress $pkt
3000 if 1024 <= length $pkt and $self->{can_lzf};
3001
3002 # split very large packets
3003 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
3004 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
3005 $pkt = "frag";
3006 }
3007
3008 $self->send_packet ($pkt);
2489} 3009}
2490 3010
2491=item $client->send_msg ($channel, $msg, $color, [extra...]) 3011=item $client->send_msg ($channel, $msg, $color, [extra...])
2492 3012
2493Send a drawinfo or msg packet to the client, formatting the msg for the 3013Send a drawinfo or msg packet to the client, formatting the msg for the
2495the message, with C<log> being the default. If C<$color> is negative, suppress 3015the message, with C<log> being the default. If C<$color> is negative, suppress
2496the message unless the client supports the msg packet. 3016the message unless the client supports the msg packet.
2497 3017
2498=cut 3018=cut
2499 3019
3020# non-persistent channels (usually the info channel)
3021our %CHANNEL = (
3022 "c/motd" => {
3023 id => "infobox",
3024 title => "MOTD",
3025 reply => undef,
3026 tooltip => "The message of the day",
3027 },
3028 "c/identify" => {
3029 id => "infobox",
3030 title => "Identify",
3031 reply => undef,
3032 tooltip => "Items recently identified",
3033 },
3034 "c/examine" => {
3035 id => "infobox",
3036 title => "Examine",
3037 reply => undef,
3038 tooltip => "Signs and other items you examined",
3039 },
3040 "c/shopinfo" => {
3041 id => "infobox",
3042 title => "Shop Info",
3043 reply => undef,
3044 tooltip => "What your bargaining skill tells you about the shop",
3045 },
3046 "c/book" => {
3047 id => "infobox",
3048 title => "Book",
3049 reply => undef,
3050 tooltip => "The contents of a note or book",
3051 },
3052 "c/lookat" => {
3053 id => "infobox",
3054 title => "Look",
3055 reply => undef,
3056 tooltip => "What you saw there",
3057 },
3058 "c/who" => {
3059 id => "infobox",
3060 title => "Players",
3061 reply => undef,
3062 tooltip => "Shows players who are currently online",
3063 },
3064 "c/body" => {
3065 id => "infobox",
3066 title => "Body Parts",
3067 reply => undef,
3068 tooltip => "Shows which body parts you posess and are available",
3069 },
3070 "c/statistics" => {
3071 id => "infobox",
3072 title => "Statistics",
3073 reply => undef,
3074 tooltip => "Shows your primary statistics",
3075 },
3076 "c/skills" => {
3077 id => "infobox",
3078 title => "Skills",
3079 reply => undef,
3080 tooltip => "Shows your experience per skill and item power",
3081 },
3082 "c/shopitems" => {
3083 id => "infobox",
3084 title => "Shop Items",
3085 reply => undef,
3086 tooltip => "Shows the items currently for sale in this shop",
3087 },
3088 "c/resistances" => {
3089 id => "infobox",
3090 title => "Resistances",
3091 reply => undef,
3092 tooltip => "Shows your resistances",
3093 },
3094 "c/pets" => {
3095 id => "infobox",
3096 title => "Pets",
3097 reply => undef,
3098 tooltip => "Shows information abotu your pets/a specific pet",
3099 },
3100 "c/perceiveself" => {
3101 id => "infobox",
3102 title => "Perceive Self",
3103 reply => undef,
3104 tooltip => "You gained detailed knowledge about yourself",
3105 },
3106 "c/uptime" => {
3107 id => "infobox",
3108 title => "Uptime",
3109 reply => undef,
3110 tooltip => "How long the server has been running since last restart",
3111 },
3112 "c/mapinfo" => {
3113 id => "infobox",
3114 title => "Map Info",
3115 reply => undef,
3116 tooltip => "Information related to the maps",
3117 },
3118 "c/party" => {
3119 id => "party",
3120 title => "Party",
3121 reply => "gsay ",
3122 tooltip => "Messages and chat related to your party",
3123 },
3124 "c/death" => {
3125 id => "death",
3126 title => "Death",
3127 reply => undef,
3128 tooltip => "Reason for and more info about your most recent death",
3129 },
3130 "c/say" => $SAY_CHANNEL,
3131 "c/chat" => $CHAT_CHANNEL,
3132);
3133
2500sub cf::client::send_msg { 3134sub cf::client::send_msg {
2501 my ($self, $channel, $msg, $color, @extra) = @_; 3135 my ($self, $channel, $msg, $color, @extra) = @_;
2502 3136
2503 $msg = $self->pl->expand_cfpod ($msg); 3137 $msg = $self->pl->expand_cfpod ($msg)
3138 unless $color & cf::NDI_VERBATIM;
2504 3139
2505 $color &= cf::NDI_CLIENT_MASK; # just in case... 3140 $color &= cf::NDI_CLIENT_MASK; # just in case...
2506 3141
3142 # check predefined channels, for the benefit of C
3143 if ($CHANNEL{$channel}) {
3144 $channel = $CHANNEL{$channel};
3145
3146 $self->ext_msg (channel_info => $channel);
3147 $channel = $channel->{id};
3148
2507 if (ref $channel) { 3149 } elsif (ref $channel) {
2508 # send meta info to client, if not yet sent 3150 # send meta info to client, if not yet sent
2509 unless (exists $self->{channel}{$channel->{id}}) { 3151 unless (exists $self->{channel}{$channel->{id}}) {
2510 $self->{channel}{$channel->{id}} = $channel; 3152 $self->{channel}{$channel->{id}} = $channel;
2511 $self->ext_msg (channel_info => $channel); 3153 $self->ext_msg (channel_info => $channel);
2512 } 3154 }
2514 $channel = $channel->{id}; 3156 $channel = $channel->{id};
2515 } 3157 }
2516 3158
2517 return unless @extra || length $msg; 3159 return unless @extra || length $msg;
2518 3160
2519 if ($self->can_msg) {
2520 # default colour, mask it out 3161 # default colour, mask it out
2521 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3162 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522 if $color & cf::NDI_DEF; 3163 if $color & cf::NDI_DEF;
2523 3164
2524 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3165 my $pkt = "msg "
3166 . $self->{json_coder}->encode (
2525 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3167 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526 } else { 3168 );
2527 if ($color >= 0) {
2528 # replace some tags by gcfclient-compatible ones
2529 for ($msg) {
2530 1 while
2531 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536 }
2537 3169
2538 $color &= cf::NDI_COLOR_MASK; 3170 $self->send_big_packet ($pkt);
2539
2540 utf8::encode $msg;
2541
2542 if (0 && $msg =~ /\[/) {
2543 # COMMAND/INFO
2544 $self->send_packet ("drawextinfo $color 10 8 $msg")
2545 } else {
2546 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2547 $self->send_packet ("drawinfo $color $msg")
2548 }
2549 }
2550 }
2551} 3171}
2552 3172
2553=item $client->ext_msg ($type, @msg) 3173=item $client->ext_msg ($type, @msg)
2554 3174
2555Sends an ext event to the client. 3175Sends an ext event to the client.
2557=cut 3177=cut
2558 3178
2559sub cf::client::ext_msg($$@) { 3179sub cf::client::ext_msg($$@) {
2560 my ($self, $type, @msg) = @_; 3180 my ($self, $type, @msg) = @_;
2561 3181
2562 my $extcmd = $self->extcmd;
2563
2564 if ($extcmd == 2) { 3182 if ($self->extcmd == 2) {
2565 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3183 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566 } elsif ($extcmd == 1) { # TODO: remove 3184 } elsif ($self->extcmd == 1) { # TODO: remove
2567 push @msg, msgtype => "event_$type"; 3185 push @msg, msgtype => "event_$type";
2568 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3186 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3187 }
3188}
3189
3190=item $client->ext_reply ($msgid, @msg)
3191
3192Sends an ext reply to the client.
3193
3194=cut
3195
3196sub cf::client::ext_reply($$@) {
3197 my ($self, $id, @msg) = @_;
3198
3199 if ($self->extcmd == 2) {
3200 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3201 } elsif ($self->extcmd == 1) {
3202 #TODO: version 1, remove
3203 unshift @msg, msgtype => "reply", msgid => $id;
3204 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569 } 3205 }
2570} 3206}
2571 3207
2572=item $success = $client->query ($flags, "text", \&cb) 3208=item $success = $client->query ($flags, "text", \&cb)
2573 3209
2634 my ($type, $reply, @payload) = 3270 my ($type, $reply, @payload) =
2635 "ARRAY" eq ref $msg 3271 "ARRAY" eq ref $msg
2636 ? @$msg 3272 ? @$msg
2637 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3273 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638 3274
3275 my @reply;
3276
2639 if (my $cb = $EXTICMD{$type}) { 3277 if (my $cb = $EXTICMD{$type}) {
2640 my @reply = $cb->($ns, @payload); 3278 @reply = $cb->($ns, @payload);
2641
2642 $ns->ext_reply ($reply, @reply)
2643 if $reply;
2644 } 3279 }
3280
3281 $ns->ext_reply ($reply, @reply)
3282 if $reply;
3283
2645 } else { 3284 } else {
2646 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3285 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647 } 3286 }
2648 3287
2649 cf::override; 3288 cf::override;
2650 }, 3289 },
2651); 3290);
2671 3310
2672 $coro 3311 $coro
2673} 3312}
2674 3313
2675cf::client->attach ( 3314cf::client->attach (
2676 on_destroy => sub { 3315 on_client_destroy => sub {
2677 my ($ns) = @_; 3316 my ($ns) = @_;
2678 3317
2679 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3318 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680 }, 3319 },
2681); 3320);
2697our $safe_hole = new Safe::Hole; 3336our $safe_hole = new Safe::Hole;
2698 3337
2699$SIG{FPE} = 'IGNORE'; 3338$SIG{FPE} = 'IGNORE';
2700 3339
2701$safe->permit_only (Opcode::opset qw( 3340$safe->permit_only (Opcode::opset qw(
2702 :base_core :base_mem :base_orig :base_math 3341 :base_core :base_mem :base_orig :base_math :base_loop
2703 grepstart grepwhile mapstart mapwhile 3342 grepstart grepwhile mapstart mapwhile
2704 sort time 3343 sort time
2705)); 3344));
2706 3345
2707# here we export the classes and methods available to script code 3346# here we export the classes and methods available to script code
2709=pod 3348=pod
2710 3349
2711The following functions and methods are available within a safe environment: 3350The following functions and methods are available within a safe environment:
2712 3351
2713 cf::object 3352 cf::object
2714 contr pay_amount pay_player map x y force_find force_add 3353 contr pay_amount pay_player map x y force_find force_add destroy
2715 insert remove name archname title slaying race 3354 insert remove name archname title slaying race decrease split
3355 value
2716 3356
2717 cf::object::player 3357 cf::object::player
2718 player 3358 player
2719 3359
2720 cf::player 3360 cf::player
2725 3365
2726=cut 3366=cut
2727 3367
2728for ( 3368for (
2729 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3369 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730 insert remove inv name archname title slaying race)], 3370 insert remove inv nrof name archname title slaying race
3371 decrease split destroy change_exp value msg lore send_msg)],
2731 ["cf::object::player" => qw(player)], 3372 ["cf::object::player" => qw(player)],
2732 ["cf::player" => qw(peaceful)], 3373 ["cf::player" => qw(peaceful send_msg)],
2733 ["cf::map" => qw(trigger)], 3374 ["cf::map" => qw(trigger)],
2734) { 3375) {
2735 no strict 'refs';
2736 my ($pkg, @funs) = @$_; 3376 my ($pkg, @funs) = @$_;
2737 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3377 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738 for @funs; 3378 for @funs;
2739} 3379}
2740 3380
2755 3395
2756 my $qcode = $code; 3396 my $qcode = $code;
2757 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3397 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2758 $qcode =~ s/\n/\\n/g; 3398 $qcode =~ s/\n/\\n/g;
2759 3399
3400 %vars = (_dummy => 0) unless %vars;
3401
3402 my @res;
2760 local $_; 3403 local $_;
2761 local @safe::cf::_safe_eval_args = values %vars;
2762 3404
2763 my $eval = 3405 my $eval =
2764 "do {\n" 3406 "do {\n"
2765 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3407 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766 . "#line 0 \"{$qcode}\"\n" 3408 . "#line 0 \"{$qcode}\"\n"
2767 . $code 3409 . $code
2768 . "\n}" 3410 . "\n}"
2769 ; 3411 ;
2770 3412
3413 if ($CFG{safe_eval}) {
2771 sub_generation_inc; 3414 sub_generation_inc;
3415 local @safe::cf::_safe_eval_args = values %vars;
2772 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3416 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773 sub_generation_inc; 3417 sub_generation_inc;
3418 } else {
3419 local @cf::_safe_eval_args = values %vars;
3420 @res = wantarray ? eval eval : scalar eval $eval;
3421 }
2774 3422
2775 if ($@) { 3423 if ($@) {
2776 warn "$@"; 3424 warn "$@",
2777 warn "while executing safe code '$code'\n"; 3425 "while executing safe code '$code'\n",
2778 warn "with arguments " . (join " ", %vars) . "\n"; 3426 "with arguments " . (join " ", %vars) . "\n";
2779 } 3427 }
2780 3428
2781 wantarray ? @res : $res[0] 3429 wantarray ? @res : $res[0]
2782} 3430}
2783 3431
2797=cut 3445=cut
2798 3446
2799sub register_script_function { 3447sub register_script_function {
2800 my ($fun, $cb) = @_; 3448 my ($fun, $cb) = @_;
2801 3449
2802 no strict 'refs'; 3450 $fun = "safe::$fun" if $CFG{safe_eval};
2803 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3451 *$fun = $safe_hole->wrap ($cb);
2804} 3452}
2805 3453
2806=back 3454=back
2807 3455
2808=cut 3456=cut
2811# the server's init and main functions 3459# the server's init and main functions
2812 3460
2813sub load_facedata($) { 3461sub load_facedata($) {
2814 my ($path) = @_; 3462 my ($path) = @_;
2815 3463
3464 # HACK to clear player env face cache, we need some signal framework
3465 # for this (global event?)
3466 %ext::player_env::MUSIC_FACE_CACHE = ();
3467
3468 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3469
2816 warn "loading facedata from $path\n"; 3470 trace "loading facedata from $path\n";
2817 3471
2818 my $facedata; 3472 my $facedata = decode_storable load_file $path;
2819 0 < aio_load $path, $facedata
2820 or die "$path: $!";
2821
2822 $facedata = Coro::Storable::thaw $facedata;
2823 3473
2824 $facedata->{version} == 2 3474 $facedata->{version} == 2
2825 or cf::cleanup "$path: version mismatch, cannot proceed."; 3475 or cf::cleanup "$path: version mismatch, cannot proceed.";
2826 3476
3477 # patch in the exptable
3478 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3479 $facedata->{resource}{"res/exp_table"} = {
3480 type => FT_RSRC,
3481 data => $exp_table,
3482 hash => (Digest::MD5::md5 $exp_table),
3483 };
3484 cf::cede_to_tick;
3485
2827 { 3486 {
2828 my $faces = $facedata->{faceinfo}; 3487 my $faces = $facedata->{faceinfo};
2829 3488
2830 while (my ($face, $info) = each %$faces) { 3489 while (my ($face, $info) = each %$faces) {
2831 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3490 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3491
2832 cf::face::set_visibility $idx, $info->{visibility}; 3492 cf::face::set_visibility $idx, $info->{visibility};
2833 cf::face::set_magicmap $idx, $info->{magicmap}; 3493 cf::face::set_magicmap $idx, $info->{magicmap};
2834 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3494 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2835 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3495 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3496 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2836 3497
2837 cf::cede_to_tick; 3498 cf::cede_to_tick;
2838 } 3499 }
2839 3500
2840 while (my ($face, $info) = each %$faces) { 3501 while (my ($face, $info) = each %$faces) {
2841 next unless $info->{smooth}; 3502 next unless $info->{smooth};
3503
2842 my $idx = cf::face::find $face 3504 my $idx = cf::face::find $face
2843 or next; 3505 or next;
3506
2844 if (my $smooth = cf::face::find $info->{smooth}) { 3507 if (my $smooth = cf::face::find $info->{smooth}) {
2845 cf::face::set_smooth $idx, $smooth; 3508 cf::face::set_smooth $idx, $smooth;
2846 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3509 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2847 } else { 3510 } else {
2848 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3511 error "smooth face '$info->{smooth}' not found for face '$face'";
2849 } 3512 }
2850 3513
2851 cf::cede_to_tick; 3514 cf::cede_to_tick;
2852 } 3515 }
2853 } 3516 }
2862 3525
2863 cf::anim::invalidate_all; # d'oh 3526 cf::anim::invalidate_all; # d'oh
2864 } 3527 }
2865 3528
2866 { 3529 {
2867 # TODO: for gcfclient pleasure, we should give resources
2868 # that gcfclient doesn't grok a >10000 face index.
2869 my $res = $facedata->{resource}; 3530 my $res = $facedata->{resource};
2870 my $enc = JSON::XS->new->utf8->canonical;
2871
2872 my $soundconf = delete $res->{"res/sound.conf"};
2873 3531
2874 while (my ($name, $info) = each %$res) { 3532 while (my ($name, $info) = each %$res) {
2875 my $meta = $enc->encode ({ 3533 if (defined $info->{type}) {
2876 name => $name,
2877 %{ $info->{meta} || {} },
2878 });
2879
2880 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3534 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2881 3535
2882 if ($info->{type} & 1) {
2883 # prepend meta info
2884
2885 my $data = pack "(w/a*)*", $meta, $info->{data};
2886 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2887
2888 cf::face::set_data $idx, 0, $data, $chk; 3536 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3537 cf::face::set_type $idx, $info->{type};
2889 } else { 3538 } else {
2890 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3539 $RESOURCE{$name} = $info; # unused
2891 } 3540 }
2892 3541
2893 cf::face::set_type $idx, $info->{type};
2894
2895 cf::cede_to_tick; 3542 cf::cede_to_tick;
2896 } 3543 }
2897
2898 if ($soundconf) {
2899 $soundconf = $enc->decode (delete $soundconf->{data});
2900
2901 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2902 my $sound = $soundconf->{compat}[$_]
2903 or next;
2904
2905 my $face = cf::face::find "sound/$sound->[1]";
2906 cf::sound::set $sound->[0] => $face;
2907 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908 }
2909
2910 while (my ($k, $v) = each %{$soundconf->{event}}) {
2911 my $face = cf::face::find "sound/$v";
2912 cf::sound::set $k => $face;
2913 }
2914 }
2915 } 3544 }
3545
3546 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2916 3547
2917 1 3548 1
2918} 3549}
2919 3550
2920register_exticmd fx_want => sub { 3551register_exticmd fx_want => sub {
2923 while (my ($k, $v) = each %$want) { 3554 while (my ($k, $v) = each %$want) {
2924 $ns->fx_want ($k, $v); 3555 $ns->fx_want ($k, $v);
2925 } 3556 }
2926}; 3557};
2927 3558
3559sub load_resource_file($) {
3560 my $guard = lock_acquire "load_resource_file";
3561
3562 my $status = load_resource_file_ $_[0];
3563 get_slot 0.1, 100;
3564 cf::arch::commit_load;
3565
3566 $status
3567}
3568
2928sub reload_regions { 3569sub reload_regions {
3570 # HACK to clear player env face cache, we need some signal framework
3571 # for this (global event?)
3572 %ext::player_env::MUSIC_FACE_CACHE = ();
3573
2929 load_resource_file "$MAPDIR/regions" 3574 load_resource_file "$MAPDIR/regions"
2930 or die "unable to load regions file\n"; 3575 or die "unable to load regions file\n";
2931 3576
2932 for (cf::region::list) { 3577 for (cf::region::list) {
2933 $_->{match} = qr/$_->{match}/ 3578 $_->{match} = qr/$_->{match}/
2941} 3586}
2942 3587
2943sub reload_archetypes { 3588sub reload_archetypes {
2944 load_resource_file "$DATADIR/archetypes" 3589 load_resource_file "$DATADIR/archetypes"
2945 or die "unable to load archetypes\n"; 3590 or die "unable to load archetypes\n";
2946 #d# NEED to laod twice to resolve forward references
2947 # this really needs to be done in an extra post-pass
2948 # (which needs to be synchronous, so solve it differently)
2949 load_resource_file "$DATADIR/archetypes"
2950 or die "unable to load archetypes\n";
2951} 3591}
2952 3592
2953sub reload_treasures { 3593sub reload_treasures {
2954 load_resource_file "$DATADIR/treasures" 3594 load_resource_file "$DATADIR/treasures"
2955 or die "unable to load treasurelists\n"; 3595 or die "unable to load treasurelists\n";
2956} 3596}
2957 3597
3598sub reload_sound {
3599 trace "loading sound config from $DATADIR/sound\n";
3600
3601 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3602
3603 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3604 my $sound = $soundconf->{compat}[$_]
3605 or next;
3606
3607 my $face = cf::face::find "sound/$sound->[1]";
3608 cf::sound::set $sound->[0] => $face;
3609 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3610 }
3611
3612 while (my ($k, $v) = each %{$soundconf->{event}}) {
3613 my $face = cf::face::find "sound/$v";
3614 cf::sound::set $k => $face;
3615 }
3616}
3617
2958sub reload_resources { 3618sub reload_resources {
2959 warn "reloading resource files...\n"; 3619 trace "reloading resource files...\n";
2960 3620
3621 reload_exp_table;
3622 reload_materials;
3623 reload_facedata;
3624 reload_sound;
3625 reload_archetypes;
2961 reload_regions; 3626 reload_regions;
2962 reload_facedata;
2963 #reload_archetypes;#d#
2964 reload_archetypes;
2965 reload_treasures; 3627 reload_treasures;
2966 3628
2967 warn "finished reloading resource files\n"; 3629 trace "finished reloading resource files\n";
2968} 3630}
2969 3631
2970sub init { 3632sub reload_config {
2971 reload_resources; 3633 trace "reloading config file...\n";
2972}
2973 3634
2974sub cfg_load { 3635 my $config = load_file "$CONFDIR/config";
2975 open my $fh, "<:utf8", "$CONFDIR/config" 3636 utf8::decode $config;
2976 or return; 3637 *CFG = decode_yaml $config;
2977 3638
2978 local $/;
2979 *CFG = YAML::Syck::Load <$fh>;
2980
2981 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3639 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2982 3640
2983 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3641 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2984 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3642 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2985 3643
2986 if (exists $CFG{mlockall}) { 3644 if (exists $CFG{mlockall}) {
2990 }; 3648 };
2991 warn $@ if $@; 3649 warn $@ if $@;
2992 } 3650 }
2993} 3651}
2994 3652
3653sub pidfile() {
3654 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3655 or die "$PIDFILE: $!";
3656 flock $fh, &Fcntl::LOCK_EX
3657 or die "$PIDFILE: flock: $!";
3658 $fh
3659}
3660
3661# make sure only one server instance is running at any one time
3662sub atomic {
3663 my $fh = pidfile;
3664
3665 my $pid = <$fh>;
3666 kill 9, $pid if $pid > 0;
3667
3668 seek $fh, 0, 0;
3669 print $fh $$;
3670}
3671
3672sub main_loop {
3673 trace "EV::loop starting\n";
3674 if (1) {
3675 EV::loop;
3676 }
3677 trace "EV::loop returned\n";
3678 goto &main_loop unless $REALLY_UNLOOP;
3679}
3680
2995sub main { 3681sub main {
3682 cf::init_globals; # initialise logging
3683
3684 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3685 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3686 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3687 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3688
3689 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3690
2996 # we must not ever block the main coroutine 3691 # we must not ever block the main coroutine
2997 local $Coro::idle = sub { 3692 local $Coro::idle = sub {
2998 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3693 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2999 (async { 3694 (async {
3000 Event::one_event; 3695 $Coro::current->{desc} = "IDLE BUG HANDLER";
3696 EV::loop EV::LOOP_ONESHOT;
3001 })->prio (Coro::PRIO_MAX); 3697 })->prio (Coro::PRIO_MAX);
3002 }; 3698 };
3003 3699
3004 cfg_load; 3700 evthread_start IO::AIO::poll_fileno;
3701
3702 cf::sync_job {
3703 cf::incloader::init ();
3704
3705 cf::init_anim;
3706 cf::init_attackmess;
3707 cf::init_dynamic;
3708
3709 cf::load_settings;
3710
3711 reload_resources;
3712 reload_config;
3005 db_init; 3713 db_init;
3714
3715 cf::init_uuid;
3716 cf::init_signals;
3717 cf::init_skills;
3718
3719 cf::init_beforeplay;
3720
3721 atomic;
3722
3006 load_extensions; 3723 load_extensions;
3007 3724
3008 $TICK_WATCHER->start; 3725 utime time, time, $RUNTIMEFILE;
3009 Event::loop; 3726
3727 # no (long-running) fork's whatsoever before this point(!)
3728 use POSIX ();
3729 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3730
3731 cf::_post_init 0;
3732 };
3733
3734 cf::object::thawer::errors_are_fatal 0;
3735 info "parse errors in files are no longer fatal from this point on.\n";
3736
3737 my $free_main; $free_main = EV::idle sub {
3738 undef $free_main;
3739 undef &main; # free gobs of memory :)
3740 };
3741
3742 goto &main_loop;
3010} 3743}
3011 3744
3012############################################################################# 3745#############################################################################
3013# initialisation and cleanup 3746# initialisation and cleanup
3014 3747
3015# install some emergency cleanup handlers 3748# install some emergency cleanup handlers
3016BEGIN { 3749BEGIN {
3750 our %SIGWATCHER = ();
3017 for my $signal (qw(INT HUP TERM)) { 3751 for my $signal (qw(INT HUP TERM)) {
3018 Event->signal ( 3752 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3019 reentrant => 0,
3020 data => WF_AUTOCANCEL,
3021 signal => $signal,
3022 prio => 0,
3023 cb => sub {
3024 cf::cleanup "SIG$signal"; 3753 cf::cleanup "SIG$signal";
3025 },
3026 ); 3754 };
3027 } 3755 }
3028} 3756}
3029 3757
3030sub write_runtime { 3758sub write_runtime_sync {
3031 my $runtime = "$LOCALDIR/runtime"; 3759 my $t0 = AE::time;
3032 3760
3033 # first touch the runtime file to show we are still running: 3761 # first touch the runtime file to show we are still running:
3034 # the fsync below can take a very very long time. 3762 # the fsync below can take a very very long time.
3035 3763
3036 IO::AIO::aio_utime $runtime, undef, undef; 3764 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3037 3765
3038 my $guard = cf::lock_acquire "write_runtime"; 3766 my $guard = cf::lock_acquire "write_runtime";
3039 3767
3040 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3768 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3041 or return; 3769 or return;
3042 3770
3043 my $value = $cf::RUNTIME + 90 + 10; 3771 my $value = $cf::RUNTIME + 90 + 10;
3044 # 10 is the runtime save interval, for a monotonic clock 3772 # 10 is the runtime save interval, for a monotonic clock
3045 # 60 allows for the watchdog to kill the server. 3773 # 60 allows for the watchdog to kill the server.
3055 aio_utime $fh, undef, undef; 3783 aio_utime $fh, undef, undef;
3056 3784
3057 close $fh 3785 close $fh
3058 or return; 3786 or return;
3059 3787
3060 aio_rename "$runtime~", $runtime 3788 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3061 and return; 3789 and return;
3062 3790
3063 warn "runtime file written.\n"; 3791 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3064 3792
3065 1 3793 1
3794}
3795
3796our $uuid_lock;
3797our $uuid_skip;
3798
3799sub write_uuid_sync($) {
3800 $uuid_skip ||= $_[0];
3801
3802 return if $uuid_lock;
3803 local $uuid_lock = 1;
3804
3805 my $uuid = "$LOCALDIR/uuid";
3806
3807 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3808 or return;
3809
3810 my $value = uuid_seq uuid_cur;
3811
3812 unless ($value) {
3813 info "cowardly refusing to write zero uuid value!\n";
3814 return;
3815 }
3816
3817 my $value = uuid_str $value + $uuid_skip;
3818 $uuid_skip = 0;
3819
3820 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3821 and return;
3822
3823 # always fsync - this file is important
3824 aio_fsync $fh
3825 and return;
3826
3827 close $fh
3828 or return;
3829
3830 aio_rename "$uuid~", $uuid
3831 and return;
3832
3833 trace "uuid file written ($value).\n";
3834
3835 1
3836
3837}
3838
3839sub write_uuid($$) {
3840 my ($skip, $sync) = @_;
3841
3842 $sync ? write_uuid_sync $skip
3843 : async { write_uuid_sync $skip };
3066} 3844}
3067 3845
3068sub emergency_save() { 3846sub emergency_save() {
3069 my $freeze_guard = cf::freeze_mainloop; 3847 my $freeze_guard = cf::freeze_mainloop;
3070 3848
3071 warn "enter emergency perl save\n"; 3849 info "emergency_perl_save: enter\n";
3850
3851 # this is a trade-off: we want to be very quick here, so
3852 # save all maps without fsync, and later call a global sync
3853 # (which in turn might be very very slow)
3854 local $USE_FSYNC = 0;
3072 3855
3073 cf::sync_job { 3856 cf::sync_job {
3857 cf::write_runtime_sync; # external watchdog should not bark
3858
3074 # use a peculiar iteration method to avoid tripping on perl 3859 # use a peculiar iteration method to avoid tripping on perl
3075 # refcount bugs in for. also avoids problems with players 3860 # refcount bugs in for. also avoids problems with players
3076 # and maps saved/destroyed asynchronously. 3861 # and maps saved/destroyed asynchronously.
3077 warn "begin emergency player save\n"; 3862 info "emergency_perl_save: begin player save\n";
3078 for my $login (keys %cf::PLAYER) { 3863 for my $login (keys %cf::PLAYER) {
3079 my $pl = $cf::PLAYER{$login} or next; 3864 my $pl = $cf::PLAYER{$login} or next;
3080 $pl->valid or next; 3865 $pl->valid or next;
3866 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3081 $pl->save; 3867 $pl->save;
3082 } 3868 }
3083 warn "end emergency player save\n"; 3869 info "emergency_perl_save: end player save\n";
3084 3870
3085 warn "begin emergency map save\n"; 3871 cf::write_runtime_sync; # external watchdog should not bark
3872
3873 info "emergency_perl_save: begin map save\n";
3086 for my $path (keys %cf::MAP) { 3874 for my $path (keys %cf::MAP) {
3087 my $map = $cf::MAP{$path} or next; 3875 my $map = $cf::MAP{$path} or next;
3088 $map->valid or next; 3876 $map->valid or next;
3089 $map->save; 3877 $map->save;
3090 } 3878 }
3091 warn "end emergency map save\n"; 3879 info "emergency_perl_save: end map save\n";
3092 3880
3093 warn "begin emergency database checkpoint\n"; 3881 cf::write_runtime_sync; # external watchdog should not bark
3882
3883 info "emergency_perl_save: begin database checkpoint\n";
3094 BDB::db_env_txn_checkpoint $DB_ENV; 3884 BDB::db_env_txn_checkpoint $DB_ENV;
3095 warn "end emergency database checkpoint\n"; 3885 info "emergency_perl_save: end database checkpoint\n";
3886
3887 info "emergency_perl_save: begin write uuid\n";
3888 write_uuid_sync 1;
3889 info "emergency_perl_save: end write uuid\n";
3890
3891 cf::write_runtime_sync; # external watchdog should not bark
3892
3893 trace "emergency_perl_save: syncing database to disk";
3894 BDB::db_env_txn_checkpoint $DB_ENV;
3895
3896 info "emergency_perl_save: starting sync\n";
3897 IO::AIO::aio_sync sub {
3898 info "emergency_perl_save: finished sync\n";
3899 };
3900
3901 cf::write_runtime_sync; # external watchdog should not bark
3902
3903 trace "emergency_perl_save: flushing outstanding aio requests";
3904 while (IO::AIO::nreqs || BDB::nreqs) {
3905 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3906 }
3907
3908 cf::write_runtime_sync; # external watchdog should not bark
3096 }; 3909 };
3097 3910
3098 warn "leave emergency perl save\n"; 3911 info "emergency_perl_save: leave\n";
3099} 3912}
3100 3913
3101sub post_cleanup { 3914sub post_cleanup {
3102 my ($make_core) = @_; 3915 my ($make_core) = @_;
3103 3916
3917 IO::AIO::flush;
3918
3104 warn Carp::longmess "post_cleanup backtrace" 3919 error Carp::longmess "post_cleanup backtrace"
3105 if $make_core; 3920 if $make_core;
3921
3922 my $fh = pidfile;
3923 unlink $PIDFILE if <$fh> == $$;
3924}
3925
3926# a safer delete_package, copied from Symbol
3927sub clear_package($) {
3928 my $pkg = shift;
3929
3930 # expand to full symbol table name if needed
3931 unless ($pkg =~ /^main::.*::$/) {
3932 $pkg = "main$pkg" if $pkg =~ /^::/;
3933 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3934 $pkg .= '::' unless $pkg =~ /::$/;
3935 }
3936
3937 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3938 my $stem_symtab = *{$stem}{HASH};
3939
3940 defined $stem_symtab and exists $stem_symtab->{$leaf}
3941 or return;
3942
3943 # clear all symbols
3944 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3945 for my $name (keys %$leaf_symtab) {
3946 _gv_clear *{"$pkg$name"};
3947# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3948 }
3106} 3949}
3107 3950
3108sub do_reload_perl() { 3951sub do_reload_perl() {
3109 # can/must only be called in main 3952 # can/must only be called in main
3110 if ($Coro::current != $Coro::main) { 3953 unless (in_main) {
3111 warn "can only reload from main coroutine"; 3954 error "can only reload from main coroutine";
3112 return; 3955 return;
3113 } 3956 }
3114 3957
3115 warn "reloading..."; 3958 return if $RELOAD++;
3116 3959
3117 warn "entering sync_job"; 3960 my $t1 = AE::time;
3118 3961
3962 while ($RELOAD) {
3963 cf::get_slot 0.1, -1, "reload_perl";
3964 info "perl_reload: reloading...";
3965
3966 trace "perl_reload: entering sync_job";
3967
3119 cf::sync_job { 3968 cf::sync_job {
3120 cf::write_runtime; # external watchdog should not bark
3121 cf::emergency_save; 3969 #cf::emergency_save;
3122 cf::write_runtime; # external watchdog should not bark
3123 3970
3124 warn "syncing database to disk";
3125 BDB::db_env_txn_checkpoint $DB_ENV;
3126
3127 # if anything goes wrong in here, we should simply crash as we already saved
3128
3129 warn "cancelling all WF_AUTOCANCEL watchers";
3130 for (Event::all_watchers) {
3131 $_->cancel if $_->data & WF_AUTOCANCEL;
3132 }
3133
3134 warn "flushing outstanding aio requests";
3135 for (;;) {
3136 BDB::flush;
3137 IO::AIO::flush;
3138 Coro::cede;
3139 last unless IO::AIO::nreqs || BDB::nreqs;
3140 warn "iterate...";
3141 }
3142
3143 ++$RELOAD;
3144
3145 warn "cancelling all extension coros"; 3971 trace "perl_reload: cancelling all extension coros";
3146 $_->cancel for values %EXT_CORO; 3972 $_->cancel for values %EXT_CORO;
3147 %EXT_CORO = (); 3973 %EXT_CORO = ();
3148 3974
3149 warn "removing commands"; 3975 trace "perl_reload: removing commands";
3150 %COMMAND = (); 3976 %COMMAND = ();
3151 3977
3152 warn "removing ext/exti commands"; 3978 trace "perl_reload: removing ext/exti commands";
3153 %EXTCMD = (); 3979 %EXTCMD = ();
3154 %EXTICMD = (); 3980 %EXTICMD = ();
3155 3981
3156 warn "unloading/nuking all extensions"; 3982 trace "perl_reload: unloading/nuking all extensions";
3157 for my $pkg (@EXTS) { 3983 for my $pkg (@EXTS) {
3158 warn "... unloading $pkg"; 3984 trace "... unloading $pkg";
3159 3985
3160 if (my $cb = $pkg->can ("unload")) { 3986 if (my $cb = $pkg->can ("unload")) {
3161 eval { 3987 eval {
3162 $cb->($pkg); 3988 $cb->($pkg);
3163 1 3989 1
3164 } or warn "$pkg unloaded, but with errors: $@"; 3990 } or error "$pkg unloaded, but with errors: $@";
3991 }
3992
3993 trace "... clearing $pkg";
3994 clear_package $pkg;
3165 } 3995 }
3166 3996
3167 warn "... nuking $pkg";
3168 Symbol::delete_package $pkg;
3169 }
3170
3171 warn "unloading all perl modules loaded from $LIBDIR"; 3997 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3172 while (my ($k, $v) = each %INC) { 3998 while (my ($k, $v) = each %INC) {
3173 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3999 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3174 4000
3175 warn "... unloading $k"; 4001 trace "... unloading $k";
3176 delete $INC{$k}; 4002 delete $INC{$k};
3177 4003
3178 $k =~ s/\.pm$//; 4004 $k =~ s/\.pm$//;
3179 $k =~ s/\//::/g; 4005 $k =~ s/\//::/g;
3180 4006
3181 if (my $cb = $k->can ("unload_module")) { 4007 if (my $cb = $k->can ("unload_module")) {
3182 $cb->(); 4008 $cb->();
4009 }
4010
4011 clear_package $k;
3183 } 4012 }
3184 4013
3185 Symbol::delete_package $k;
3186 }
3187
3188 warn "getting rid of safe::, as good as possible"; 4014 trace "perl_reload: getting rid of safe::, as good as possible";
3189 Symbol::delete_package "safe::$_" 4015 clear_package "safe::$_"
3190 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 4016 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3191 4017
3192 warn "unloading cf.pm \"a bit\""; 4018 trace "perl_reload: unloading cf.pm \"a bit\"";
3193 delete $INC{"cf.pm"}; 4019 delete $INC{"cf.pm"};
3194 delete $INC{"cf/pod.pm"}; 4020 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3195 4021
3196 # don't, removes xs symbols, too, 4022 # don't, removes xs symbols, too,
3197 # and global variables created in xs 4023 # and global variables created in xs
3198 #Symbol::delete_package __PACKAGE__; 4024 #clear_package __PACKAGE__;
3199 4025
3200 warn "unload completed, starting to reload now"; 4026 info "perl_reload: unload completed, starting to reload now";
3201 4027
3202 warn "reloading cf.pm"; 4028 trace "perl_reload: reloading cf.pm";
3203 require cf; 4029 require cf;
3204 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4030 cf::_connect_to_perl_1;
3205 4031
3206 warn "loading config and database again"; 4032 trace "perl_reload: loading config and database again";
3207 cf::cfg_load; 4033 cf::reload_config;
3208 4034
3209 warn "loading extensions"; 4035 trace "perl_reload: loading extensions";
3210 cf::load_extensions; 4036 cf::load_extensions;
3211 4037
4038 if ($REATTACH_ON_RELOAD) {
3212 warn "reattaching attachments to objects/players"; 4039 trace "perl_reload: reattaching attachments to objects/players";
3213 _global_reattach; # objects, sockets 4040 _global_reattach; # objects, sockets
3214 warn "reattaching attachments to maps"; 4041 trace "perl_reload: reattaching attachments to maps";
3215 reattach $_ for values %MAP; 4042 reattach $_ for values %MAP;
3216 warn "reattaching attachments to players"; 4043 trace "perl_reload: reattaching attachments to players";
3217 reattach $_ for values %PLAYER; 4044 reattach $_ for values %PLAYER;
4045 }
3218 4046
3219 warn "leaving sync_job"; 4047 cf::_post_init 1;
3220 4048
4049 trace "perl_reload: leaving sync_job";
4050
3221 1 4051 1
3222 } or do { 4052 } or do {
3223 warn $@; 4053 error $@;
3224 warn "error while reloading, exiting."; 4054 cf::cleanup "perl_reload: error, exiting.";
3225 exit 1; 4055 };
4056
4057 --$RELOAD;
3226 }; 4058 }
3227 4059
3228 warn "reloaded"; 4060 $t1 = AE::time - $t1;
4061 info "perl_reload: completed in ${t1}s\n";
3229}; 4062};
3230 4063
3231our $RELOAD_WATCHER; # used only during reload 4064our $RELOAD_WATCHER; # used only during reload
3232 4065
3233sub reload_perl() { 4066sub reload_perl() {
3234 # doing reload synchronously and two reloads happen back-to-back, 4067 # doing reload synchronously and two reloads happen back-to-back,
3235 # coro crashes during coro_state_free->destroy here. 4068 # coro crashes during coro_state_free->destroy here.
3236 4069
3237 $RELOAD_WATCHER ||= Event->timer ( 4070 $RELOAD_WATCHER ||= cf::async {
3238 reentrant => 0, 4071 Coro::AIO::aio_wait cache_extensions;
3239 after => 0, 4072
3240 data => WF_AUTOCANCEL, 4073 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3241 cb => sub {
3242 do_reload_perl; 4074 do_reload_perl;
3243 undef $RELOAD_WATCHER; 4075 undef $RELOAD_WATCHER;
3244 }, 4076 };
3245 ); 4077 };
3246} 4078}
3247 4079
3248register_command "reload" => sub { 4080register_command "reload" => sub {
3249 my ($who, $arg) = @_; 4081 my ($who, $arg) = @_;
3250 4082
3251 if ($who->flag (FLAG_WIZ)) { 4083 if ($who->flag (FLAG_WIZ)) {
3252 $who->message ("reloading server."); 4084 $who->message ("reloading server.");
4085 async {
4086 $Coro::current->{desc} = "perl_reload";
3253 async { reload_perl }; 4087 reload_perl;
4088 };
3254 } 4089 }
3255}; 4090};
3256 4091
3257unshift @INC, $LIBDIR; 4092#############################################################################
3258 4093
3259my $bug_warning = 0; 4094my $bug_warning = 0;
3260 4095
3261our @WAIT_FOR_TICK; 4096our @WAIT_FOR_TICK;
3262our @WAIT_FOR_TICK_BEGIN; 4097our @WAIT_FOR_TICK_BEGIN;
3263 4098
3264sub wait_for_tick { 4099sub wait_for_tick() {
3265 return unless $TICK_WATCHER->is_active;
3266 return if $Coro::current == $Coro::main; 4100 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3267 4101
3268 my $signal = new Coro::Signal; 4102 my $signal = new Coro::Signal;
3269 push @WAIT_FOR_TICK, $signal; 4103 push @WAIT_FOR_TICK, $signal;
3270 $signal->wait; 4104 $signal->wait;
3271} 4105}
3272 4106
3273sub wait_for_tick_begin { 4107sub wait_for_tick_begin() {
3274 return unless $TICK_WATCHER->is_active;
3275 return if $Coro::current == $Coro::main; 4108 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3276 4109
3277 my $signal = new Coro::Signal; 4110 my $signal = new Coro::Signal;
3278 push @WAIT_FOR_TICK_BEGIN, $signal; 4111 push @WAIT_FOR_TICK_BEGIN, $signal;
3279 $signal->wait; 4112 $signal->wait;
3280} 4113}
3281 4114
3282 my $min = 1e6;#d# 4115sub tick {
3283 my $avg = 10;
3284$TICK_WATCHER = Event->timer (
3285 reentrant => 0,
3286 parked => 1,
3287 prio => 0,
3288 at => $NEXT_TICK || $TICK,
3289 data => WF_AUTOCANCEL,
3290 cb => sub {
3291 if ($Coro::current != $Coro::main) { 4116 if ($Coro::current != $Coro::main) {
3292 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4117 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3293 unless ++$bug_warning > 10; 4118 unless ++$bug_warning > 10;
3294 return; 4119 return;
3295 } 4120 }
3296 4121
3297 $NOW = $tick_start = Event::time;
3298
3299 cf::server_tick; # one server iteration 4122 cf::server_tick; # one server iteration
3300 4123
3301 0 && sync_job {#d# 4124 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3302 for(1..10) {
3303 my $t = Event::time;
3304 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3305 or die;
3306 4125
3307 $map->width (50); 4126 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3308 $map->height (50); 4127 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3309 $map->alloc; 4128 Coro::async_pool {
3310 $map->_load_objects ("/tmp/x.map", 1); 4129 $Coro::current->{desc} = "runtime saver";
3311 my $t = Event::time - $t; 4130 write_runtime_sync
3312 4131 or error "ERROR: unable to write runtime file: $!";
3313 #next unless $t < 0.0013;#d#
3314 if ($t < $min) {
3315 $min = $t;
3316 }
3317 $avg = $avg * 0.99 + $t * 0.01;
3318 }
3319 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3320 exit 0;
3321 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3322 }; 4132 };
4133 }
3323 4134
3324 $RUNTIME += $TICK;
3325 $NEXT_TICK += $TICK;
3326
3327 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3328 $NEXT_RUNTIME_WRITE = $NOW + 10;
3329 Coro::async_pool {
3330 write_runtime
3331 or warn "ERROR: unable to write runtime file: $!";
3332 };
3333 }
3334
3335# my $AFTER = Event::time;
3336# warn $AFTER - $NOW;#d#
3337
3338 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4135 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3339 $sig->send; 4136 $sig->send;
3340 } 4137 }
3341 while (my $sig = shift @WAIT_FOR_TICK) { 4138 while (my $sig = shift @WAIT_FOR_TICK) {
3342 $sig->send; 4139 $sig->send;
3343 } 4140 }
3344 4141
3345 $NOW = Event::time; 4142 $LOAD = ($NOW - $TICK_START) / $TICK;
3346
3347 # if we are delayed by four ticks or more, skip them all
3348 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3349
3350 $TICK_WATCHER->at ($NEXT_TICK);
3351 $TICK_WATCHER->start;
3352
3353 $LOAD = ($NOW - $tick_start) / $TICK;
3354 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4143 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3355 4144
3356 _post_tick; 4145 if (0) {
3357 4146 if ($NEXT_TICK) {
3358 4147 my $jitter = $TICK_START - $NEXT_TICK;
4148 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4149 debug "jitter $JITTER\n";#d#
4150 }
3359 }, 4151 }
3360); 4152}
3361 4153
3362{ 4154{
3363 BDB::max_poll_time $TICK * 0.1; 4155 # configure BDB
3364 $BDB_POLL_WATCHER = Event->io ( 4156
3365 reentrant => 0,
3366 fd => BDB::poll_fileno,
3367 poll => 'r',
3368 prio => 0,
3369 data => WF_AUTOCANCEL,
3370 cb => \&BDB::poll_cb,
3371 );
3372 BDB::min_parallel 8; 4157 BDB::min_parallel 16;
3373 4158 BDB::max_poll_reqs $TICK * 0.1;
3374 BDB::set_sync_prepare { 4159 $AnyEvent::BDB::WATCHER->priority (1);
3375 my $status;
3376 my $current = $Coro::current;
3377 (
3378 sub {
3379 $status = $!;
3380 $current->ready; undef $current;
3381 },
3382 sub {
3383 Coro::schedule while defined $current;
3384 $! = $status;
3385 },
3386 )
3387 };
3388 4160
3389 unless ($DB_ENV) { 4161 unless ($DB_ENV) {
3390 $DB_ENV = BDB::db_env_create; 4162 $DB_ENV = BDB::db_env_create;
4163 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4164 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4165 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4166 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4167 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3391 4168
3392 cf::sync_job { 4169 cf::sync_job {
3393 eval { 4170 eval {
3394 BDB::db_env_open 4171 BDB::db_env_open
3395 $DB_ENV, 4172 $DB_ENV,
3397 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4174 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3398 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4175 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3399 0666; 4176 0666;
3400 4177
3401 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4178 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3402
3403 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3404 $DB_ENV->set_lk_detect;
3405 }; 4179 };
3406 4180
3407 cf::cleanup "db_env_open(db): $@" if $@; 4181 cf::cleanup "db_env_open(db): $@" if $@;
3408 }; 4182 };
3409 } 4183 }
4184
4185 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4186 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4187 };
4188 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4189 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4190 };
4191 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4192 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4193 };
3410} 4194}
3411 4195
3412{ 4196{
4197 # configure IO::AIO
4198
3413 IO::AIO::min_parallel 8; 4199 IO::AIO::min_parallel 8;
3414
3415 undef $Coro::AIO::WATCHER;
3416 IO::AIO::max_poll_time $TICK * 0.1; 4200 IO::AIO::max_poll_time $TICK * 0.1;
3417 $AIO_POLL_WATCHER = Event->io ( 4201 undef $AnyEvent::AIO::WATCHER;
3418 reentrant => 0,
3419 data => WF_AUTOCANCEL,
3420 fd => IO::AIO::poll_fileno,
3421 poll => 'r',
3422 prio => 6,
3423 cb => \&IO::AIO::poll_cb,
3424 );
3425} 4202}
3426 4203
3427my $_log_backtrace; 4204our $_log_backtrace;
4205our $_log_backtrace_last;
3428 4206
3429sub _log_backtrace { 4207sub _log_backtrace {
3430 my ($msg, @addr) = @_; 4208 my ($msg, @addr) = @_;
3431 4209
3432 $msg =~ s/\n//; 4210 $msg =~ s/\n$//;
3433 4211
4212 if ($_log_backtrace_last eq $msg) {
4213 LOG llevInfo, "[ABT] $msg\n";
4214 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3434 # limit the # of concurrent backtraces 4215 # limit the # of concurrent backtraces
3435 if ($_log_backtrace < 2) { 4216 } elsif ($_log_backtrace < 2) {
4217 $_log_backtrace_last = $msg;
3436 ++$_log_backtrace; 4218 ++$_log_backtrace;
4219 my $perl_bt = Carp::longmess $msg;
3437 async { 4220 async {
4221 $Coro::current->{desc} = "abt $msg";
4222
3438 my @bt = fork_call { 4223 my @bt = fork_call {
3439 @addr = map { sprintf "%x", $_ } @addr; 4224 @addr = map { sprintf "%x", $_ } @addr;
3440 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4225 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3441 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4226 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3442 or die "addr2line: $!"; 4227 or die "addr2line: $!";
3450 } 4235 }
3451 4236
3452 @funcs 4237 @funcs
3453 }; 4238 };
3454 4239
3455 LOG llevInfo, "[ABT] $msg\n"; 4240 LOG llevInfo, "[ABT] $perl_bt\n";
4241 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3456 LOG llevInfo, "[ABT] $_\n" for @bt; 4242 LOG llevInfo, "[ABT] $_\n" for @bt;
3457 --$_log_backtrace; 4243 --$_log_backtrace;
3458 }; 4244 };
3459 } else { 4245 } else {
3460 LOG llevInfo, "[ABT] $msg\n"; 4246 LOG llevInfo, "[ABT] $msg\n";
3461 LOG llevInfo, "[ABT] [suppressed]\n"; 4247 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3462 } 4248 }
3463} 4249}
3464 4250
3465# load additional modules 4251# load additional modules
3466use cf::pod; 4252require "cf/$_.pm" for @EXTRA_MODULES;
4253cf::_connect_to_perl_2;
3467 4254
3468END { cf::emergency_save } 4255END { cf::emergency_save }
3469 4256
34701 42571
3471 4258

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