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Revision 1.334 by root, Mon Aug 20 22:09:04 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 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 }
1237 } 1561 }
1238 }; 1562 };
1239} 1563}
1240 1564
1241############################################################################# 1565#############################################################################
1242 1566
1243=back 1567=back
1244 1568
1245=head2 CORE EXTENSIONS 1569=head2 CORE EXTENSIONS
1246 1570
1247Functions and methods that extend core crossfire objects. 1571Functions and methods that extend core deliantra objects.
1248 1572
1249=cut 1573=cut
1250 1574
1251package cf::player; 1575package cf::player;
1252 1576
1253use Coro::AIO; 1577use Coro::AIO;
1254 1578
1255=head3 cf::player 1579=head3 cf::player
1256 1580
1257=over 4 1581=over 4
1582
1583=item cf::player::num_playing
1584
1585Returns the official number of playing players, as per the Crossfire metaserver rules.
1586
1587=cut
1588
1589sub num_playing {
1590 scalar grep
1591 $_->ob->map
1592 && !$_->hidden
1593 && !$_->ob->flag (cf::FLAG_WIZ),
1594 cf::player::list
1595}
1258 1596
1259=item cf::player::find $login 1597=item cf::player::find $login
1260 1598
1261Returns the given player object, loading it if necessary (might block). 1599Returns the given player object, loading it if necessary (might block).
1262 1600
1281 1619
1282sub exists($) { 1620sub exists($) {
1283 my ($login) = @_; 1621 my ($login) = @_;
1284 1622
1285 $cf::PLAYER{$login} 1623 $cf::PLAYER{$login}
1286 or cf::sync_job { !aio_stat path $login } 1624 or !aio_stat path $login
1287} 1625}
1288 1626
1289sub find($) { 1627sub find($) {
1290 return $cf::PLAYER{$_[0]} || do { 1628 return $cf::PLAYER{$_[0]} || do {
1291 my $login = $_[0]; 1629 my $login = $_[0];
1298 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1636 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1637 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1638 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301 aio_unlink +(playerdir $login) . "/$login.pl"; 1639 aio_unlink +(playerdir $login) . "/$login.pl";
1302 1640
1303 my $pl = load_pl path $login 1641 my $f = new_from_file cf::object::thawer path $login
1304 or return; 1642 or return;
1643
1644 my $pl = cf::player::load_pl $f
1645 or return;
1646
1647 local $cf::PLAYER_LOADING{$login} = $pl;
1648 $f->resolve_delayed_derefs;
1305 $cf::PLAYER{$login} = $pl 1649 $cf::PLAYER{$login} = $pl
1306 } 1650 }
1307 } 1651 }
1308} 1652}
1653
1654cf::player->attach (
1655 on_load => sub {
1656 my ($pl, $path) = @_;
1657
1658 # restore slots saved in save, below
1659 my $slots = delete $pl->{_slots};
1660
1661 $pl->ob->current_weapon ($slots->[0]);
1662 $pl->combat_ob ($slots->[1]);
1663 $pl->ranged_ob ($slots->[2]);
1664 },
1665);
1309 1666
1310sub save($) { 1667sub save($) {
1311 my ($pl) = @_; 1668 my ($pl) = @_;
1312 1669
1313 return if $pl->{deny_save}; 1670 return if $pl->{deny_save};
1318 return if $pl->{deny_save}; 1675 return if $pl->{deny_save};
1319 1676
1320 aio_mkdir playerdir $pl, 0770; 1677 aio_mkdir playerdir $pl, 0770;
1321 $pl->{last_save} = $cf::RUNTIME; 1678 $pl->{last_save} = $cf::RUNTIME;
1322 1679
1680 cf::get_slot 0.01;
1681
1682 # save slots, to be restored later
1683 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1684
1323 $pl->save_pl ($path); 1685 $pl->save_pl ($path);
1324 Coro::cede; 1686 cf::cede_to_tick;
1325} 1687}
1326 1688
1327sub new($) { 1689sub new($) {
1328 my ($login) = @_; 1690 my ($login) = @_;
1329 1691
1358 my ($pl) = @_; 1720 my ($pl) = @_;
1359 1721
1360 my $name = $pl->ob->name; 1722 my $name = $pl->ob->name;
1361 1723
1362 $pl->{deny_save} = 1; 1724 $pl->{deny_save} = 1;
1363 $pl->password ("*"); # this should lock out the player until we nuked the dir 1725 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1364 1726
1365 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1727 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366 $pl->deactivate; 1728 $pl->deactivate;
1729
1730 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1731 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1732 ext::highscore::check ($pl->ob);
1733
1368 $pl->ns->destroy if $pl->ns; 1734 $pl->ns->destroy if $pl->ns;
1369 1735
1370 my $path = playerdir $pl; 1736 my $path = playerdir $pl;
1371 my $temp = "$path~$cf::RUNTIME~deleting~"; 1737 my $temp = "$path~$cf::RUNTIME~deleting~";
1372 aio_rename $path, $temp; 1738 aio_rename $path, $temp;
1407 or return []; 1773 or return [];
1408 1774
1409 my @logins; 1775 my @logins;
1410 1776
1411 for my $login (@$dirs) { 1777 for my $login (@$dirs) {
1778 my $path = path $login;
1779
1780 # a .pst is a dead give-away for a valid player
1781 # if no pst file found, open and chekc for blocked users
1782 if (aio_stat "$path.pst") {
1412 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1783 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413 aio_read $fh, 0, 512, my $buf, 0 or next; 1784 aio_read $fh, 0, 512, my $buf, 0 or next;
1414 $buf !~ /^password -------------$/m or next; # official not-valid tag 1785 $buf !~ /^password -------------$/m or next; # official not-valid tag
1786 }
1415 1787
1416 utf8::decode $login; 1788 utf8::decode $login;
1417 push @logins, $login; 1789 push @logins, $login;
1418 } 1790 }
1419 1791
1420 \@logins 1792 \@logins
1421} 1793}
1422 1794
1423=item $player->maps 1795=item $player->maps
1796
1797=item cf::player::maps $login
1424 1798
1425Returns an arrayref of map paths that are private for this 1799Returns an arrayref of map paths that are private for this
1426player. May block. 1800player. May block.
1427 1801
1428=cut 1802=cut
1446 } 1820 }
1447 1821
1448 \@paths 1822 \@paths
1449} 1823}
1450 1824
1451=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1825=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452 1826
1453Expand crossfire pod fragments into protocol xml. 1827Expand 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 1828
1501=item $player->ext_reply ($msgid, @msg) 1829=item $player->ext_reply ($msgid, @msg)
1502 1830
1503Sends an ext reply to the player. 1831Sends an ext reply to the player.
1504 1832
1505=cut 1833=cut
1506 1834
1507sub ext_reply($$@) { 1835sub ext_reply($$@) {
1508 my ($self, $id, @msg) = @_; 1836 my ($self, $id, @msg) = @_;
1509 1837
1510 if ($self->ns->extcmd == 2) { 1838 $self->ns->ext_reply ($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} 1839}
1518 1840
1519=item $player->ext_msg ($type, @msg) 1841=item $player->ext_msg ($type, @msg)
1520 1842
1521Sends an ext event to the client. 1843Sends an ext event to the client.
1542 1864
1543=cut 1865=cut
1544 1866
1545sub find_by_path($) { 1867sub find_by_path($) {
1546 my ($path) = @_; 1868 my ($path) = @_;
1869
1870 $path =~ s/^~[^\/]*//; # skip ~login
1547 1871
1548 my ($match, $specificity); 1872 my ($match, $specificity);
1549 1873
1550 for my $region (list) { 1874 for my $region (list) {
1551 if ($region->{match} && $path =~ $region->{match}) { 1875 if ($region->{match} && $path =~ $region->{match}) {
1577our $MAX_RESET = 3600; 1901our $MAX_RESET = 3600;
1578our $DEFAULT_RESET = 3000; 1902our $DEFAULT_RESET = 3000;
1579 1903
1580sub generate_random_map { 1904sub generate_random_map {
1581 my ($self, $rmp) = @_; 1905 my ($self, $rmp) = @_;
1582 # mit "rum" bekleckern, nicht 1906
1907 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1908
1583 $self->_create_random_map ( 1909 $self->_create_random_map ($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}), $rmp->{custom}
1595 )
1596} 1910}
1597 1911
1598=item cf::map->register ($regex, $prio) 1912=item cf::map->register ($regex, $prio)
1599 1913
1600Register a handler for the map path matching the given regex at the 1914Register a handler for the map path matching the given regex at the
1605 1919
1606sub register { 1920sub register {
1607 my (undef, $regex, $prio) = @_; 1921 my (undef, $regex, $prio) = @_;
1608 my $pkg = caller; 1922 my $pkg = caller;
1609 1923
1610 no strict;
1611 push @{"$pkg\::ISA"}, __PACKAGE__; 1924 push @{"$pkg\::ISA"}, __PACKAGE__;
1612 1925
1613 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1926 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614} 1927}
1615 1928
1616# also paths starting with '/' 1929# also paths starting with '/'
1617$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1930$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618 1931
1619sub thawer_merge { 1932sub thawer_merge {
1620 my ($self, $merge) = @_; 1933 my ($self, $merge) = @_;
1621 1934
1622 # we have to keep some variables in memory intact 1935 # we have to keep some variables in memory intact
1627} 1940}
1628 1941
1629sub normalise { 1942sub normalise {
1630 my ($path, $base) = @_; 1943 my ($path, $base) = @_;
1631 1944
1632 $path = "$path"; # make sure its a string 1945 $path = "$path"; # make sure it's a string
1633 1946
1634 $path =~ s/\.map$//; 1947 $path =~ s/\.map$//;
1635 1948
1636 # map plan: 1949 # map plan:
1637 # 1950 #
1652 $base =~ s{[^/]+/?$}{}; 1965 $base =~ s{[^/]+/?$}{};
1653 $path = "$base/$path"; 1966 $path = "$base/$path";
1654 } 1967 }
1655 1968
1656 for ($path) { 1969 for ($path) {
1657 redo if s{//}{/};
1658 redo if s{/\.?/}{/}; 1970 redo if s{/\.?/}{/};
1659 redo if s{/[^/]+/\.\./}{/}; 1971 redo if s{/[^/]+/\.\./}{/};
1660 } 1972 }
1661 1973
1662 $path 1974 $path
1676 $self->init; # pass $1 etc. 1988 $self->init; # pass $1 etc.
1677 return $self; 1989 return $self;
1678 } 1990 }
1679 } 1991 }
1680 1992
1681 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1993 Carp::cluck "unable to resolve path '$path' (base '$base')";
1682 () 1994 ()
1683} 1995}
1684 1996
1685sub init { 1997sub init {
1686 my ($self) = @_; 1998 my ($self) = @_;
1708 2020
1709# the temporary/swap location 2021# the temporary/swap location
1710sub save_path { 2022sub save_path {
1711 my ($self) = @_; 2023 my ($self) = @_;
1712 2024
1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2025 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714 "$TMPDIR/$path.map" 2026 "$TMPDIR/$path.map"
1715} 2027}
1716 2028
1717# the unique path, undef == no special unique path 2029# the unique path, undef == no special unique path
1718sub uniq_path { 2030sub uniq_path {
1719 my ($self) = @_; 2031 my ($self) = @_;
1720 2032
1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2033 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722 "$UNIQUEDIR/$path" 2034 "$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1732} 2035}
1733 2036
1734sub decay_objects { 2037sub decay_objects {
1735 my ($self) = @_; 2038 my ($self) = @_;
1736 2039
1749 2052
1750sub load_header_from($) { 2053sub load_header_from($) {
1751 my ($self, $path) = @_; 2054 my ($self, $path) = @_;
1752 2055
1753 utf8::encode $path; 2056 utf8::encode $path;
1754 #aio_open $path, O_RDONLY, 0 2057 my $f = new_from_file cf::object::thawer $path
1755 # or return;
1756
1757 $self->_load_header ($path)
1758 or return; 2058 or return;
2059
2060 $self->_load_header ($f)
2061 or return;
2062
2063 local $MAP_LOADING{$self->{path}} = $self;
2064 $f->resolve_delayed_derefs;
1759 2065
1760 $self->{load_path} = $path; 2066 $self->{load_path} = $path;
1761 2067
1762 1 2068 1
1763} 2069}
1815 2121
1816sub find; 2122sub find;
1817sub find { 2123sub find {
1818 my ($path, $origin) = @_; 2124 my ($path, $origin) = @_;
1819 2125
2126 cf::cede_to_tick;
2127
1820 $path = normalise $path, $origin && $origin->path; 2128 $path = normalise $path, $origin && $origin->path;
1821 2129
2130 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822 cf::lock_wait "map_find:$path"; 2131 my $guard2 = cf::lock_acquire "map_find:$path";
1823 2132
1824 $cf::MAP{$path} || do { 2133 $cf::MAP{$path} || do {
1825 my $guard = cf::lock_acquire "map_find:$path";
1826 my $map = new_from_path cf::map $path 2134 my $map = new_from_path cf::map $path
1827 or return; 2135 or return;
1828 2136
1829 $map->{last_save} = $cf::RUNTIME; 2137 $map->{last_save} = $cf::RUNTIME;
1830 2138
1832 or return; 2140 or return;
1833 2141
1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2142 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835 # doing this can freeze the server in a sync job, obviously 2143 # doing this can freeze the server in a sync job, obviously
1836 #$cf::WAIT_FOR_TICK->wait; 2144 #$cf::WAIT_FOR_TICK->wait;
2145 undef $guard2;
2146 undef $guard1;
1837 $map->reset; 2147 $map->reset;
1838 undef $guard;
1839 return find $path; 2148 return find $path;
1840 } 2149 }
1841 2150
1842 $cf::MAP{$path} = $map 2151 $cf::MAP{$path} = $map
1843 } 2152 }
1844} 2153}
1845 2154
1846sub pre_load { } 2155sub pre_load { }
1847sub post_load { } 2156#sub post_load { } # XS
1848 2157
1849sub load { 2158sub load {
1850 my ($self) = @_; 2159 my ($self) = @_;
1851 2160
1852 local $self->{deny_reset} = 1; # loading can take a long time 2161 local $self->{deny_reset} = 1; # loading can take a long time
1853 2162
1854 my $path = $self->{path}; 2163 my $path = $self->{path};
1855 2164
1856 { 2165 {
1857 my $guard = cf::lock_acquire "map_load:$path"; 2166 my $guard = cf::lock_acquire "map_data:$path";
1858 2167
2168 return unless $self->valid;
1859 return if $self->in_memory != cf::MAP_SWAPPED; 2169 return unless $self->in_memory == cf::MAP_SWAPPED;
1860 2170
1861 $self->in_memory (cf::MAP_LOADING); 2171 $self->in_memory (cf::MAP_LOADING);
1862 2172
1863 $self->alloc; 2173 $self->alloc;
1864 2174
1865 $self->pre_load; 2175 $self->pre_load;
1866 Coro::cede; 2176 cf::cede_to_tick;
1867 2177
2178 my $f = new_from_file cf::object::thawer $self->{load_path};
2179 $f->skip_block;
1868 $self->_load_objects ($self->{load_path}, 1) 2180 $self->_load_objects ($f)
1869 or return; 2181 or return;
1870 2182
1871 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2183 $self->post_load_original
1872 if delete $self->{load_original}; 2184 if delete $self->{load_original};
1873 2185
1874 if (my $uniq = $self->uniq_path) { 2186 if (my $uniq = $self->uniq_path) {
1875 utf8::encode $uniq; 2187 utf8::encode $uniq;
1876 if (aio_open $uniq, O_RDONLY, 0) { 2188 unless (aio_stat $uniq) {
2189 if (my $f = new_from_file cf::object::thawer $uniq) {
1877 $self->clear_unique_items; 2190 $self->clear_unique_items;
1878 $self->_load_objects ($uniq, 0); 2191 $self->_load_objects ($f);
2192 $f->resolve_delayed_derefs;
2193 }
1879 } 2194 }
1880 } 2195 }
1881 2196
1882 Coro::cede; 2197 $f->resolve_delayed_derefs;
2198
2199 cf::cede_to_tick;
1883 # now do the right thing for maps 2200 # now do the right thing for maps
1884 $self->link_multipart_objects; 2201 $self->link_multipart_objects;
1885 $self->difficulty ($self->estimate_difficulty) 2202 $self->difficulty ($self->estimate_difficulty)
1886 unless $self->difficulty; 2203 unless $self->difficulty;
1887 Coro::cede; 2204 cf::cede_to_tick;
1888 2205
1889 unless ($self->{deny_activate}) { 2206 unless ($self->{deny_activate}) {
1890 $self->decay_objects; 2207 $self->decay_objects;
1891 $self->fix_auto_apply; 2208 $self->fix_auto_apply;
1892 $self->update_buttons; 2209 $self->update_buttons;
1893 Coro::cede; 2210 cf::cede_to_tick;
1894 $self->set_darkness_map;
1895 Coro::cede;
1896 $self->activate; 2211 $self->activate;
1897 } 2212 }
1898 2213
1899 $self->{last_save} = $cf::RUNTIME; 2214 $self->{last_save} = $cf::RUNTIME;
1900 $self->last_access ($cf::RUNTIME); 2215 $self->last_access ($cf::RUNTIME);
1901 2216
1902 $self->in_memory (cf::MAP_IN_MEMORY); 2217 $self->in_memory (cf::MAP_ACTIVE);
1903 } 2218 }
1904 2219
1905 $self->post_load; 2220 $self->post_load;
1906}
1907 2221
2222 1
2223}
2224
2225# customize the map for a given player, i.e.
2226# return the _real_ map. used by e.g. per-player
2227# maps to change the path to ~playername/mappath
1908sub customise_for { 2228sub customise_for {
1909 my ($self, $ob) = @_; 2229 my ($self, $ob) = @_;
1910 2230
1911 return find "~" . $ob->name . "/" . $self->{path} 2231 return find "~" . $ob->name . "/" . $self->{path}
1912 if $self->per_player; 2232 if $self->per_player;
1928 or next; 2248 or next;
1929 $neigh = find $neigh, $map 2249 $neigh = find $neigh, $map
1930 or next; 2250 or next;
1931 $neigh->load; 2251 $neigh->load;
1932 2252
2253 # now find the diagonal neighbours
1933 push @neigh, 2254 push @neigh,
1934 [$neigh->tile_path (($_ + 3) % 4), $neigh], 2255 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1935 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2256 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1936 } 2257 }
1937 2258
1944} 2265}
1945 2266
1946sub find_sync { 2267sub find_sync {
1947 my ($path, $origin) = @_; 2268 my ($path, $origin) = @_;
1948 2269
1949 cf::sync_job { find $path, $origin } 2270 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2271 if $Coro::current == $Coro::main;
2272
2273 find $path, $origin
1950} 2274}
1951 2275
1952sub do_load_sync { 2276sub do_load_sync {
1953 my ($map) = @_; 2277 my ($map) = @_;
1954 2278
1955 cf::sync_job { $map->load }; 2279 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2280 if $Coro::current == $Coro::main;
2281
2282 $map->load;
1956} 2283}
1957 2284
1958our %MAP_PREFETCH; 2285our %MAP_PREFETCH;
1959our $MAP_PREFETCHER = undef; 2286our $MAP_PREFETCHER = undef;
1960 2287
1961sub find_async { 2288sub find_async {
1962 my ($path, $origin) = @_; 2289 my ($path, $origin, $load) = @_;
1963 2290
1964 $path = normalise $path, $origin && $origin->{path}; 2291 $path = normalise $path, $origin && $origin->{path};
1965 2292
1966 if (my $map = $cf::MAP{$path}) { 2293 if (my $map = $cf::MAP{$path}) {
1967 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2294 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968 } 2295 }
1969 2296
1970 undef $MAP_PREFETCH{$path}; 2297 $MAP_PREFETCH{$path} |= $load;
2298
1971 $MAP_PREFETCHER ||= cf::async { 2299 $MAP_PREFETCHER ||= cf::async {
2300 $Coro::current->{desc} = "map prefetcher";
2301
1972 while (%MAP_PREFETCH) { 2302 while (%MAP_PREFETCH) {
1973 for my $path (keys %MAP_PREFETCH) { 2303 while (my ($k, $v) = each %MAP_PREFETCH) {
1974 if (my $map = find $path) { 2304 if (my $map = find $k) {
1975 $map->load; 2305 $map->load if $v;
1976 } 2306 }
1977 2307
1978 delete $MAP_PREFETCH{$path}; 2308 delete $MAP_PREFETCH{$k};
1979 } 2309 }
1980 } 2310 }
1981 undef $MAP_PREFETCHER; 2311 undef $MAP_PREFETCHER;
1982 }; 2312 };
1983 $MAP_PREFETCHER->prio (6); 2313 $MAP_PREFETCHER->prio (6);
1984 2314
1985 () 2315 ()
1986} 2316}
1987 2317
2318# common code, used by both ->save and ->swapout
1988sub save { 2319sub _save {
1989 my ($self) = @_; 2320 my ($self) = @_;
1990
1991 my $lock = cf::lock_acquire "map_data:" . $self->path;
1992 2321
1993 $self->{last_save} = $cf::RUNTIME; 2322 $self->{last_save} = $cf::RUNTIME;
1994 2323
1995 return unless $self->dirty; 2324 return unless $self->dirty;
1996 2325
2002 return if $self->{deny_save}; 2331 return if $self->{deny_save};
2003 2332
2004 local $self->{last_access} = $self->last_access;#d# 2333 local $self->{last_access} = $self->last_access;#d#
2005 2334
2006 cf::async { 2335 cf::async {
2336 $Coro::current->{desc} = "map player save";
2007 $_->contr->save for $self->players; 2337 $_->contr->save for $self->players;
2008 }; 2338 };
2339
2340 cf::get_slot 0.02;
2009 2341
2010 if ($uniq) { 2342 if ($uniq) {
2011 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2343 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2344 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2013 } else { 2345 } else {
2014 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2346 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015 } 2347 }
2016} 2348}
2017 2349
2350sub save {
2351 my ($self) = @_;
2352
2353 my $lock = cf::lock_acquire "map_data:$self->{path}";
2354
2355 $self->_save;
2356}
2357
2018sub swap_out { 2358sub swap_out {
2019 my ($self) = @_; 2359 my ($self) = @_;
2020 2360
2021 # save first because save cedes
2022 $self->save;
2023
2024 my $lock = cf::lock_acquire "map_data:" . $self->path; 2361 my $lock = cf::lock_acquire "map_data:$self->{path}";
2025 2362
2363 return if $self->in_memory != cf::MAP_ACTIVE;
2364 return if $self->{deny_save};
2026 return if $self->players; 2365 return if $self->players;
2027 return if $self->in_memory != cf::MAP_IN_MEMORY;
2028 return if $self->{deny_save};
2029 2366
2367 # first deactivate the map and "unlink" it from the core
2368 $self->deactivate;
2369 $_->clear_links_to ($self) for values %cf::MAP;
2370 $self->in_memory (cf::MAP_SWAPPED);
2371
2372 # then atomically save
2373 $self->_save;
2374
2375 # then free the map
2030 $self->clear; 2376 $self->clear;
2031 $self->in_memory (cf::MAP_SWAPPED);
2032} 2377}
2033 2378
2034sub reset_at { 2379sub reset_at {
2035 my ($self) = @_; 2380 my ($self) = @_;
2036 2381
2054 2399
2055 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
2056 2401
2057 return if $self->players; 2402 return if $self->players;
2058 2403
2059 warn "resetting map ", $self->path; 2404 cf::trace "resetting map ", $self->path, "\n";
2060 2405
2061 $self->in_memory (cf::MAP_SWAPPED); 2406 $self->in_memory (cf::MAP_SWAPPED);
2062 2407
2063 # need to save uniques path 2408 # need to save uniques path
2064 unless ($self->{deny_save}) { 2409 unless ($self->{deny_save}) {
2068 if $uniq; 2413 if $uniq;
2069 } 2414 }
2070 2415
2071 delete $cf::MAP{$self->path}; 2416 delete $cf::MAP{$self->path};
2072 2417
2418 $self->deactivate;
2419 $_->clear_links_to ($self) for values %cf::MAP;
2073 $self->clear; 2420 $self->clear;
2074
2075 $_->clear_links_to ($self) for values %cf::MAP;
2076 2421
2077 $self->unlink_save; 2422 $self->unlink_save;
2078 $self->destroy; 2423 $self->destroy;
2079} 2424}
2080 2425
2081my $nuke_counter = "aaaa"; 2426my $nuke_counter = "aaaa";
2082 2427
2083sub nuke { 2428sub nuke {
2084 my ($self) = @_; 2429 my ($self) = @_;
2085 2430
2431 {
2432 my $lock = cf::lock_acquire "map_data:$self->{path}";
2433
2086 delete $cf::MAP{$self->path}; 2434 delete $cf::MAP{$self->path};
2087 2435
2088 $self->unlink_save; 2436 $self->unlink_save;
2089 2437
2090 bless $self, "cf::map"; 2438 bless $self, "cf::map::wrap";
2091 delete $self->{deny_reset}; 2439 delete $self->{deny_reset};
2092 $self->{deny_save} = 1; 2440 $self->{deny_save} = 1;
2093 $self->reset_timeout (1); 2441 $self->reset_timeout (1);
2094 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2442 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095 2443
2096 $cf::MAP{$self->path} = $self; 2444 $cf::MAP{$self->path} = $self;
2445 }
2097 2446
2098 $self->reset; # polite request, might not happen 2447 $self->reset; # polite request, might not happen
2099} 2448}
2100 2449
2101=item $maps = cf::map::tmp_maps 2450=item $maps = cf::map::tmp_maps
2143 2492
2144sub unique_maps() { 2493sub unique_maps() {
2145 [ 2494 [
2146 map { 2495 map {
2147 utf8::decode $_; 2496 utf8::decode $_;
2148 /\.map$/ 2497 s/\.map$//; # TODO future compatibility hack
2498 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2499 ? ()
2149 ? normalise $_ 2500 : normalise $_
2150 : ()
2151 } @{ aio_readdir $UNIQUEDIR or [] } 2501 } @{ aio_readdir $UNIQUEDIR or [] }
2152 ] 2502 ]
2153} 2503}
2154 2504
2155package cf; 2505=item cf::map::static_maps
2506
2507Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2508file in the shared directory excluding F</styles> and F</editor>). May
2509block.
2510
2511=cut
2512
2513sub static_maps() {
2514 my @dirs = "";
2515 my @maps;
2516
2517 while (@dirs) {
2518 my $dir = shift @dirs;
2519
2520 next if $dir eq "/styles" || $dir eq "/editor";
2521
2522 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2523 or return;
2524
2525 for (@$files) {
2526 s/\.map$// or next;
2527 utf8::decode $_;
2528 push @maps, "$dir/$_";
2529 }
2530
2531 push @dirs, map "$dir/$_", @$dirs;
2532 }
2533
2534 \@maps
2535}
2156 2536
2157=back 2537=back
2158 2538
2159=head3 cf::object 2539=head3 cf::object
2160 2540
2164 2544
2165=over 4 2545=over 4
2166 2546
2167=item $ob->inv_recursive 2547=item $ob->inv_recursive
2168 2548
2169Returns the inventory of the object _and_ their inventories, recursively. 2549Returns the inventory of the object I<and> their inventories, recursively,
2550but I<not> the object itself.
2170 2551
2171=cut 2552=cut
2172 2553
2173sub inv_recursive_; 2554sub inv_recursive_;
2174sub inv_recursive_ { 2555sub inv_recursive_ {
2177 2558
2178sub inv_recursive { 2559sub inv_recursive {
2179 inv_recursive_ inv $_[0] 2560 inv_recursive_ inv $_[0]
2180} 2561}
2181 2562
2563=item $ref = $ob->ref
2564
2565Creates and returns a persistent reference to an object that can be stored as a string.
2566
2567=item $ob = cf::object::deref ($refstring)
2568
2569returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2570even if the object actually exists. May block.
2571
2572=cut
2573
2574sub deref {
2575 my ($ref) = @_;
2576
2577 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2578 my ($uuid, $name) = ($1, $2);
2579 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2580 or return;
2581 $pl->ob->uuid eq $uuid
2582 or return;
2583
2584 $pl->ob
2585 } else {
2586 warn "$ref: cannot resolve object reference\n";
2587 undef
2588 }
2589}
2590
2182package cf; 2591package cf;
2183 2592
2184=back 2593=back
2185 2594
2186=head3 cf::object::player 2595=head3 cf::object::player
2192Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2601Sends 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 2602can be C<undef>. Does the right thing when the player is currently in a
2194dialogue with the given NPC character. 2603dialogue with the given NPC character.
2195 2604
2196=cut 2605=cut
2606
2607our $SAY_CHANNEL = {
2608 id => "say",
2609 title => "Map",
2610 reply => "say ",
2611 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2612};
2613
2614our $CHAT_CHANNEL = {
2615 id => "chat",
2616 title => "Chat",
2617 reply => "chat ",
2618 tooltip => "Player chat and shouts, global to the server.",
2619};
2197 2620
2198# rough implementation of a future "reply" method that works 2621# rough implementation of a future "reply" method that works
2199# with dialog boxes. 2622# with dialog boxes.
2200#TODO: the first argument must go, split into a $npc->reply_to ( method 2623#TODO: the first argument must go, split into a $npc->reply_to ( method
2201sub cf::object::player::reply($$$;$) { 2624sub cf::object::player::reply($$$;$) {
2213 my $dialog = $pl->{npc_dialog}; 2636 my $dialog = $pl->{npc_dialog};
2214 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2637 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215 2638
2216 } else { 2639 } else {
2217 $msg = $npc->name . " says: $msg" if $npc; 2640 $msg = $npc->name . " says: $msg" if $npc;
2218 $self->message ($msg, $flags); 2641 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219 } 2642 }
2220 } 2643 }
2221} 2644}
2222 2645
2223=item $object->send_msg ($channel, $msg, $color, [extra...]) 2646=item $object->send_msg ($channel, $msg, $color, [extra...])
2248 2671
2249=item $player_object->enter_link 2672=item $player_object->enter_link
2250 2673
2251Freezes the player and moves him/her to a special map (C<{link}>). 2674Freezes the player and moves him/her to a special map (C<{link}>).
2252 2675
2253The player should be reasonably safe there for short amounts of time. You 2676The player should be reasonably safe there for short amounts of time (e.g.
2254I<MUST> call C<leave_link> as soon as possible, though. 2677for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2678though, as the player cannot control the character while it is on the link
2679map.
2255 2680
2256Will never block. 2681Will never block.
2257 2682
2258=item $player_object->leave_link ($map, $x, $y) 2683=item $player_object->leave_link ($map, $x, $y)
2259 2684
2279sub cf::object::player::enter_link { 2704sub cf::object::player::enter_link {
2280 my ($self) = @_; 2705 my ($self) = @_;
2281 2706
2282 $self->deactivate_recursive; 2707 $self->deactivate_recursive;
2283 2708
2709 ++$self->{_link_recursion};
2710
2284 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2711 return if UNIVERSAL::isa $self->map, "ext::map_link";
2285 2712
2286 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2713 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287 if $self->map && $self->map->{path} ne "{link}"; 2714 if $self->map && $self->map->{path} ne "{link}";
2288 2715
2289 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2716 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2290} 2717}
2291 2718
2292sub cf::object::player::leave_link { 2719sub cf::object::player::leave_link {
2293 my ($self, $map, $x, $y) = @_; 2720 my ($self, $map, $x, $y) = @_;
2294 2721
2311 ($x, $y) = (-1, -1) 2738 ($x, $y) = (-1, -1)
2312 unless (defined $x) && (defined $y); 2739 unless (defined $x) && (defined $y);
2313 2740
2314 # use -1 or undef as default coordinates, not 0, 0 2741 # use -1 or undef as default coordinates, not 0, 0
2315 ($x, $y) = ($map->enter_x, $map->enter_y) 2742 ($x, $y) = ($map->enter_x, $map->enter_y)
2316 if $x <=0 && $y <= 0; 2743 if $x <= 0 && $y <= 0;
2317 2744
2318 $map->load; 2745 $map->load;
2319 $map->load_neighbours; 2746 $map->load_neighbours;
2320 2747
2321 return unless $self->contr->active; 2748 return unless $self->contr->active;
2322 $self->activate_recursive;
2323 2749
2324 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2750 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325 $self->enter_map ($map, $x, $y); 2751 if ($self->enter_map ($map, $x, $y)) {
2326} 2752 # entering was successful
2753 delete $self->{_link_recursion};
2754 # only activate afterwards, to support waiting in hooks
2755 $self->activate_recursive;
2756 }
2327 2757
2758}
2759
2328=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2760=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329 2761
2330Moves the player to the given map-path and coordinates by first freezing 2762Moves the player to the given map-path and coordinates by first freezing
2331her, loading and preparing them map, calling the provided $check callback 2763her, loading and preparing them map, calling the provided $check callback
2332that has to return the map if sucecssful, and then unfreezes the player on 2764that 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 2765the new (success) or old (failed) map position. In either case, $done will
2334be called at the end of this process. 2766be called at the end of this process.
2335 2767
2768Note that $check will be called with a potentially non-loaded map, so if
2769it needs a loaded map it has to call C<< ->load >>.
2770
2336=cut 2771=cut
2337 2772
2338our $GOTOGEN; 2773our $GOTOGEN;
2339 2774
2340sub cf::object::player::goto { 2775sub cf::object::player::goto {
2341 my ($self, $path, $x, $y, $check, $done) = @_; 2776 my ($self, $path, $x, $y, $check, $done) = @_;
2342 2777
2778 if ($self->{_link_recursion} >= $MAX_LINKS) {
2779 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2780 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2781 ($path, $x, $y) = @$EMERGENCY_POSITION;
2782 }
2783
2343 # do generation counting so two concurrent goto's will be executed in-order 2784 # do generation counting so two concurrent goto's will be executed in-order
2344 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2785 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345 2786
2346 $self->enter_link; 2787 $self->enter_link;
2347 2788
2348 (async { 2789 (async {
2790 $Coro::current->{desc} = "player::goto $path $x $y";
2791
2792 # *tag paths override both path and x|y
2793 if ($path =~ /^\*(.*)$/) {
2794 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2795 my $ob = $obs[rand @obs];
2796
2797 # see if we actually can go there
2798 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2799 $ob = $obs[rand @obs];
2800 } else {
2801 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2802 }
2803 # else put us there anyways for now #d#
2804
2805 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2806 } else {
2807 ($path, $x, $y) = (undef, undef, undef);
2808 }
2809 }
2810
2349 my $map = eval { 2811 my $map = eval {
2350 my $map = cf::map::find $path; 2812 my $map = defined $path ? cf::map::find $path : undef;
2351 2813
2352 if ($map) { 2814 if ($map) {
2353 $map = $map->customise_for ($self); 2815 $map = $map->customise_for ($self);
2354 $map = $check->($map) if $check && $map; 2816 $map = $check->($map, $x, $y, $self) if $check && $map;
2355 } else { 2817 } else {
2356 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2818 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357 } 2819 }
2358 2820
2359 $map 2821 $map
2360 }; 2822 };
2361 2823
2367 if ($gen == $self->{_goto_generation}) { 2829 if ($gen == $self->{_goto_generation}) {
2368 delete $self->{_goto_generation}; 2830 delete $self->{_goto_generation};
2369 $self->leave_link ($map, $x, $y); 2831 $self->leave_link ($map, $x, $y);
2370 } 2832 }
2371 2833
2372 $done->() if $done; 2834 $done->($self) if $done;
2373 })->prio (1); 2835 })->prio (1);
2374} 2836}
2375 2837
2376=item $player_object->enter_exit ($exit_object) 2838=item $player_object->enter_exit ($exit_object)
2377 2839
2397} 2859}
2398 2860
2399sub prepare_random_map { 2861sub prepare_random_map {
2400 my ($exit) = @_; 2862 my ($exit) = @_;
2401 2863
2402 my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404 # all this does is basically replace the /! path by 2864 # all this does is basically replace the /! path by
2405 # a new random map path (?random/...) with a seed 2865 # a new random map path (?random/...) with a seed
2406 # that depends on the exit object 2866 # that depends on the exit object
2407 2867
2408 my $rmp = parse_random_map_params $exit->msg; 2868 my $rmp = parse_random_map_params $exit->msg;
2410 if ($exit->map) { 2870 if ($exit->map) {
2411 $rmp->{region} = $exit->region->name; 2871 $rmp->{region} = $exit->region->name;
2412 $rmp->{origin_map} = $exit->map->path; 2872 $rmp->{origin_map} = $exit->map->path;
2413 $rmp->{origin_x} = $exit->x; 2873 $rmp->{origin_x} = $exit->x;
2414 $rmp->{origin_y} = $exit->y; 2874 $rmp->{origin_y} = $exit->y;
2875
2876 $exit->map->touch;
2415 } 2877 }
2416 2878
2417 $rmp->{random_seed} ||= $exit->random_seed; 2879 $rmp->{random_seed} ||= $exit->random_seed;
2418 2880
2419 my $data = cf::to_json $rmp; 2881 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420 my $md5 = Digest::MD5::md5_hex $data; 2882 my $md5 = Digest::MD5::md5_hex $data;
2421 my $meta = "$RANDOMDIR/$md5.meta"; 2883 my $meta = "$RANDOMDIR/$md5.meta";
2422 2884
2423 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2885 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424 aio_write $fh, 0, (length $data), $data, 0; 2886 aio_write $fh, 0, (length $data), $data, 0;
2425 undef $fh; 2887 undef $fh;
2426 aio_rename "$meta~", $meta; 2888 aio_rename "$meta~", $meta;
2427 2889
2890 my $slaying = "?random/$md5";
2891
2892 if ($exit->valid) {
2428 $exit->slaying ("?random/$md5"); 2893 $exit->slaying ("?random/$md5");
2429 $exit->msg (undef); 2894 $exit->msg (undef);
2895 }
2430 } 2896 }
2431} 2897}
2432 2898
2433sub cf::object::player::enter_exit { 2899sub cf::object::player::enter_exit {
2434 my ($self, $exit) = @_; 2900 my ($self, $exit) = @_;
2435 2901
2436 return unless $self->type == cf::PLAYER; 2902 return unless $self->type == cf::PLAYER;
2437 2903
2438 if ($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; 2904 $self->enter_link;
2450 2905
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 { 2906 (async {
2456 $self->deactivate_recursive; # just to be sure 2907 $Coro::current->{desc} = "enter_exit";
2908
2457 unless (eval { 2909 unless (eval {
2910 $self->deactivate_recursive; # just to be sure
2911
2912 # random map handling
2913 {
2914 my $guard = cf::lock_acquire "exit_prepare:$exit";
2915
2916 prepare_random_map $exit
2917 if $exit->slaying eq "/!";
2918 }
2919
2920 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2921 my $x = $exit->stats->hp;
2922 my $y = $exit->stats->sp;
2923
2458 $self->goto ($slaying, $hp, $sp); 2924 $self->goto ($map, $x, $y);
2459 2925
2926 # if exit is damned, update players death & WoR home-position
2927 $self->contr->savebed ($map, $x, $y)
2928 if $exit->flag (cf::FLAG_DAMNED);
2929
2460 1; 2930 1
2461 }) { 2931 }) {
2462 $self->message ("Something went wrong deep within the crossfire server. " 2932 $self->message ("Something went wrong deep within the deliantra server. "
2463 . "I'll try to bring you back to the map you were before. " 2933 . "I'll try to bring you back to the map you were before. "
2464 . "Please report this to the dungeon master!", 2934 . "Please report this to the dungeon master!",
2465 cf::NDI_UNIQUE | cf::NDI_RED); 2935 cf::NDI_UNIQUE | cf::NDI_RED);
2466 2936
2467 warn "ERROR in enter_exit: $@"; 2937 error "ERROR in enter_exit: $@";
2468 $self->leave_link; 2938 $self->leave_link;
2469 } 2939 }
2470 })->prio (1); 2940 })->prio (1);
2471} 2941}
2472 2942
2484sub cf::client::send_drawinfo { 2954sub cf::client::send_drawinfo {
2485 my ($self, $text, $flags) = @_; 2955 my ($self, $text, $flags) = @_;
2486 2956
2487 utf8::encode $text; 2957 utf8::encode $text;
2488 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2958 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2959}
2960
2961=item $client->send_big_packet ($pkt)
2962
2963Like C<send_packet>, but tries to compress large packets, and fragments
2964them as required.
2965
2966=cut
2967
2968our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2969
2970sub cf::client::send_big_packet {
2971 my ($self, $pkt) = @_;
2972
2973 # try lzf for large packets
2974 $pkt = "lzf " . Compress::LZF::compress $pkt
2975 if 1024 <= length $pkt and $self->{can_lzf};
2976
2977 # split very large packets
2978 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2979 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2980 $pkt = "frag";
2981 }
2982
2983 $self->send_packet ($pkt);
2489} 2984}
2490 2985
2491=item $client->send_msg ($channel, $msg, $color, [extra...]) 2986=item $client->send_msg ($channel, $msg, $color, [extra...])
2492 2987
2493Send a drawinfo or msg packet to the client, formatting the msg for the 2988Send a drawinfo or msg packet to the client, formatting the msg for the
2495the message, with C<log> being the default. If C<$color> is negative, suppress 2990the message, with C<log> being the default. If C<$color> is negative, suppress
2496the message unless the client supports the msg packet. 2991the message unless the client supports the msg packet.
2497 2992
2498=cut 2993=cut
2499 2994
2995# non-persistent channels (usually the info channel)
2996our %CHANNEL = (
2997 "c/motd" => {
2998 id => "infobox",
2999 title => "MOTD",
3000 reply => undef,
3001 tooltip => "The message of the day",
3002 },
3003 "c/identify" => {
3004 id => "infobox",
3005 title => "Identify",
3006 reply => undef,
3007 tooltip => "Items recently identified",
3008 },
3009 "c/examine" => {
3010 id => "infobox",
3011 title => "Examine",
3012 reply => undef,
3013 tooltip => "Signs and other items you examined",
3014 },
3015 "c/shopinfo" => {
3016 id => "infobox",
3017 title => "Shop Info",
3018 reply => undef,
3019 tooltip => "What your bargaining skill tells you about the shop",
3020 },
3021 "c/book" => {
3022 id => "infobox",
3023 title => "Book",
3024 reply => undef,
3025 tooltip => "The contents of a note or book",
3026 },
3027 "c/lookat" => {
3028 id => "infobox",
3029 title => "Look",
3030 reply => undef,
3031 tooltip => "What you saw there",
3032 },
3033 "c/who" => {
3034 id => "infobox",
3035 title => "Players",
3036 reply => undef,
3037 tooltip => "Shows players who are currently online",
3038 },
3039 "c/body" => {
3040 id => "infobox",
3041 title => "Body Parts",
3042 reply => undef,
3043 tooltip => "Shows which body parts you posess and are available",
3044 },
3045 "c/statistics" => {
3046 id => "infobox",
3047 title => "Statistics",
3048 reply => undef,
3049 tooltip => "Shows your primary statistics",
3050 },
3051 "c/skills" => {
3052 id => "infobox",
3053 title => "Skills",
3054 reply => undef,
3055 tooltip => "Shows your experience per skill and item power",
3056 },
3057 "c/shopitems" => {
3058 id => "infobox",
3059 title => "Shop Items",
3060 reply => undef,
3061 tooltip => "Shows the items currently for sale in this shop",
3062 },
3063 "c/resistances" => {
3064 id => "infobox",
3065 title => "Resistances",
3066 reply => undef,
3067 tooltip => "Shows your resistances",
3068 },
3069 "c/pets" => {
3070 id => "infobox",
3071 title => "Pets",
3072 reply => undef,
3073 tooltip => "Shows information abotu your pets/a specific pet",
3074 },
3075 "c/perceiveself" => {
3076 id => "infobox",
3077 title => "Perceive Self",
3078 reply => undef,
3079 tooltip => "You gained detailed knowledge about yourself",
3080 },
3081 "c/uptime" => {
3082 id => "infobox",
3083 title => "Uptime",
3084 reply => undef,
3085 tooltip => "How long the server has been running since last restart",
3086 },
3087 "c/mapinfo" => {
3088 id => "infobox",
3089 title => "Map Info",
3090 reply => undef,
3091 tooltip => "Information related to the maps",
3092 },
3093 "c/party" => {
3094 id => "party",
3095 title => "Party",
3096 reply => "gsay ",
3097 tooltip => "Messages and chat related to your party",
3098 },
3099 "c/death" => {
3100 id => "death",
3101 title => "Death",
3102 reply => undef,
3103 tooltip => "Reason for and more info about your most recent death",
3104 },
3105 "c/say" => $SAY_CHANNEL,
3106 "c/chat" => $CHAT_CHANNEL,
3107);
3108
2500sub cf::client::send_msg { 3109sub cf::client::send_msg {
2501 my ($self, $channel, $msg, $color, @extra) = @_; 3110 my ($self, $channel, $msg, $color, @extra) = @_;
2502 3111
2503 $msg = $self->pl->expand_cfpod ($msg); 3112 $msg = $self->pl->expand_cfpod ($msg)
3113 unless $color & cf::NDI_VERBATIM;
2504 3114
2505 $color &= cf::NDI_CLIENT_MASK; # just in case... 3115 $color &= cf::NDI_CLIENT_MASK; # just in case...
2506 3116
3117 # check predefined channels, for the benefit of C
3118 if ($CHANNEL{$channel}) {
3119 $channel = $CHANNEL{$channel};
3120
3121 $self->ext_msg (channel_info => $channel);
3122 $channel = $channel->{id};
3123
2507 if (ref $channel) { 3124 } elsif (ref $channel) {
2508 # send meta info to client, if not yet sent 3125 # send meta info to client, if not yet sent
2509 unless (exists $self->{channel}{$channel->{id}}) { 3126 unless (exists $self->{channel}{$channel->{id}}) {
2510 $self->{channel}{$channel->{id}} = $channel; 3127 $self->{channel}{$channel->{id}} = $channel;
2511 $self->ext_msg (channel_info => $channel); 3128 $self->ext_msg (channel_info => $channel);
2512 } 3129 }
2514 $channel = $channel->{id}; 3131 $channel = $channel->{id};
2515 } 3132 }
2516 3133
2517 return unless @extra || length $msg; 3134 return unless @extra || length $msg;
2518 3135
2519 if ($self->can_msg) {
2520 # default colour, mask it out 3136 # default colour, mask it out
2521 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3137 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522 if $color & cf::NDI_DEF; 3138 if $color & cf::NDI_DEF;
2523 3139
2524 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3140 my $pkt = "msg "
3141 . $self->{json_coder}->encode (
2525 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3142 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526 } else { 3143 );
2527 if ($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 3144
2538 $color &= cf::NDI_COLOR_MASK; 3145 $self->send_big_packet ($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} 3146}
2552 3147
2553=item $client->ext_msg ($type, @msg) 3148=item $client->ext_msg ($type, @msg)
2554 3149
2555Sends an ext event to the client. 3150Sends an ext event to the client.
2557=cut 3152=cut
2558 3153
2559sub cf::client::ext_msg($$@) { 3154sub cf::client::ext_msg($$@) {
2560 my ($self, $type, @msg) = @_; 3155 my ($self, $type, @msg) = @_;
2561 3156
2562 my $extcmd = $self->extcmd;
2563
2564 if ($extcmd == 2) { 3157 if ($self->extcmd == 2) {
2565 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3158 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566 } elsif ($extcmd == 1) { # TODO: remove 3159 } elsif ($self->extcmd == 1) { # TODO: remove
2567 push @msg, msgtype => "event_$type"; 3160 push @msg, msgtype => "event_$type";
2568 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3161 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3162 }
3163}
3164
3165=item $client->ext_reply ($msgid, @msg)
3166
3167Sends an ext reply to the client.
3168
3169=cut
3170
3171sub cf::client::ext_reply($$@) {
3172 my ($self, $id, @msg) = @_;
3173
3174 if ($self->extcmd == 2) {
3175 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3176 } elsif ($self->extcmd == 1) {
3177 #TODO: version 1, remove
3178 unshift @msg, msgtype => "reply", msgid => $id;
3179 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569 } 3180 }
2570} 3181}
2571 3182
2572=item $success = $client->query ($flags, "text", \&cb) 3183=item $success = $client->query ($flags, "text", \&cb)
2573 3184
2634 my ($type, $reply, @payload) = 3245 my ($type, $reply, @payload) =
2635 "ARRAY" eq ref $msg 3246 "ARRAY" eq ref $msg
2636 ? @$msg 3247 ? @$msg
2637 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3248 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638 3249
3250 my @reply;
3251
2639 if (my $cb = $EXTICMD{$type}) { 3252 if (my $cb = $EXTICMD{$type}) {
2640 my @reply = $cb->($ns, @payload); 3253 @reply = $cb->($ns, @payload);
2641
2642 $ns->ext_reply ($reply, @reply)
2643 if $reply;
2644 } 3254 }
3255
3256 $ns->ext_reply ($reply, @reply)
3257 if $reply;
3258
2645 } else { 3259 } else {
2646 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3260 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647 } 3261 }
2648 3262
2649 cf::override; 3263 cf::override;
2650 }, 3264 },
2651); 3265);
2671 3285
2672 $coro 3286 $coro
2673} 3287}
2674 3288
2675cf::client->attach ( 3289cf::client->attach (
2676 on_destroy => sub { 3290 on_client_destroy => sub {
2677 my ($ns) = @_; 3291 my ($ns) = @_;
2678 3292
2679 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3293 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680 }, 3294 },
2681); 3295);
2697our $safe_hole = new Safe::Hole; 3311our $safe_hole = new Safe::Hole;
2698 3312
2699$SIG{FPE} = 'IGNORE'; 3313$SIG{FPE} = 'IGNORE';
2700 3314
2701$safe->permit_only (Opcode::opset qw( 3315$safe->permit_only (Opcode::opset qw(
2702 :base_core :base_mem :base_orig :base_math 3316 :base_core :base_mem :base_orig :base_math :base_loop
2703 grepstart grepwhile mapstart mapwhile 3317 grepstart grepwhile mapstart mapwhile
2704 sort time 3318 sort time
2705)); 3319));
2706 3320
2707# here we export the classes and methods available to script code 3321# here we export the classes and methods available to script code
2709=pod 3323=pod
2710 3324
2711The following functions and methods are available within a safe environment: 3325The following functions and methods are available within a safe environment:
2712 3326
2713 cf::object 3327 cf::object
2714 contr pay_amount pay_player map x y force_find force_add 3328 contr pay_amount pay_player map x y force_find force_add destroy
2715 insert remove name archname title slaying race 3329 insert remove name archname title slaying race decrease split
3330 value
2716 3331
2717 cf::object::player 3332 cf::object::player
2718 player 3333 player
2719 3334
2720 cf::player 3335 cf::player
2725 3340
2726=cut 3341=cut
2727 3342
2728for ( 3343for (
2729 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3344 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730 insert remove inv name archname title slaying race)], 3345 insert remove inv nrof name archname title slaying race
3346 decrease split destroy change_exp value msg lore send_msg)],
2731 ["cf::object::player" => qw(player)], 3347 ["cf::object::player" => qw(player)],
2732 ["cf::player" => qw(peaceful)], 3348 ["cf::player" => qw(peaceful send_msg)],
2733 ["cf::map" => qw(trigger)], 3349 ["cf::map" => qw(trigger)],
2734) { 3350) {
2735 no strict 'refs';
2736 my ($pkg, @funs) = @$_; 3351 my ($pkg, @funs) = @$_;
2737 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3352 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738 for @funs; 3353 for @funs;
2739} 3354}
2740 3355
2755 3370
2756 my $qcode = $code; 3371 my $qcode = $code;
2757 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3372 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2758 $qcode =~ s/\n/\\n/g; 3373 $qcode =~ s/\n/\\n/g;
2759 3374
3375 %vars = (_dummy => 0) unless %vars;
3376
3377 my @res;
2760 local $_; 3378 local $_;
2761 local @safe::cf::_safe_eval_args = values %vars;
2762 3379
2763 my $eval = 3380 my $eval =
2764 "do {\n" 3381 "do {\n"
2765 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3382 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766 . "#line 0 \"{$qcode}\"\n" 3383 . "#line 0 \"{$qcode}\"\n"
2767 . $code 3384 . $code
2768 . "\n}" 3385 . "\n}"
2769 ; 3386 ;
2770 3387
3388 if ($CFG{safe_eval}) {
2771 sub_generation_inc; 3389 sub_generation_inc;
3390 local @safe::cf::_safe_eval_args = values %vars;
2772 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3391 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773 sub_generation_inc; 3392 sub_generation_inc;
3393 } else {
3394 local @cf::_safe_eval_args = values %vars;
3395 @res = wantarray ? eval eval : scalar eval $eval;
3396 }
2774 3397
2775 if ($@) { 3398 if ($@) {
2776 warn "$@"; 3399 warn "$@",
2777 warn "while executing safe code '$code'\n"; 3400 "while executing safe code '$code'\n",
2778 warn "with arguments " . (join " ", %vars) . "\n"; 3401 "with arguments " . (join " ", %vars) . "\n";
2779 } 3402 }
2780 3403
2781 wantarray ? @res : $res[0] 3404 wantarray ? @res : $res[0]
2782} 3405}
2783 3406
2797=cut 3420=cut
2798 3421
2799sub register_script_function { 3422sub register_script_function {
2800 my ($fun, $cb) = @_; 3423 my ($fun, $cb) = @_;
2801 3424
2802 no strict 'refs'; 3425 $fun = "safe::$fun" if $CFG{safe_eval};
2803 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3426 *$fun = $safe_hole->wrap ($cb);
2804} 3427}
2805 3428
2806=back 3429=back
2807 3430
2808=cut 3431=cut
2811# the server's init and main functions 3434# the server's init and main functions
2812 3435
2813sub load_facedata($) { 3436sub load_facedata($) {
2814 my ($path) = @_; 3437 my ($path) = @_;
2815 3438
3439 # HACK to clear player env face cache, we need some signal framework
3440 # for this (global event?)
3441 %ext::player_env::MUSIC_FACE_CACHE = ();
3442
2816 my $enc = JSON::XS->new->utf8->canonical; 3443 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817 3444
2818 warn "loading facedata from $path\n"; 3445 trace "loading facedata from $path\n";
2819 3446
2820 my $facedata; 3447 my $facedata = decode_storable load_file $path;
2821 0 < aio_load $path, $facedata
2822 or die "$path: $!";
2823
2824 $facedata = Coro::Storable::thaw $facedata;
2825 3448
2826 $facedata->{version} == 2 3449 $facedata->{version} == 2
2827 or cf::cleanup "$path: version mismatch, cannot proceed."; 3450 or cf::cleanup "$path: version mismatch, cannot proceed.";
2828 3451
2829 # patch in the exptable 3452 # patch in the exptable
2830 cf::cede_to_tick; 3453 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2831 $facedata->{resource}{"res/exp_table"} = { 3454 $facedata->{resource}{"res/exp_table"} = {
2832 type => FT_RSRC, 3455 type => FT_RSRC,
2833 data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]), 3456 data => $exp_table,
3457 hash => (Digest::MD5::md5 $exp_table),
2834 }; 3458 };
2835 cf::cede_to_tick; 3459 cf::cede_to_tick;
2836 3460
2837 { 3461 {
2838 my $faces = $facedata->{faceinfo}; 3462 my $faces = $facedata->{faceinfo};
2839 3463
2840 while (my ($face, $info) = each %$faces) { 3464 while (my ($face, $info) = each %$faces) {
2841 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3465 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3466
2842 cf::face::set_visibility $idx, $info->{visibility}; 3467 cf::face::set_visibility $idx, $info->{visibility};
2843 cf::face::set_magicmap $idx, $info->{magicmap}; 3468 cf::face::set_magicmap $idx, $info->{magicmap};
2844 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3469 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2845 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3470 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3471 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2846 3472
2847 cf::cede_to_tick; 3473 cf::cede_to_tick;
2848 } 3474 }
2849 3475
2850 while (my ($face, $info) = each %$faces) { 3476 while (my ($face, $info) = each %$faces) {
2851 next unless $info->{smooth}; 3477 next unless $info->{smooth};
3478
2852 my $idx = cf::face::find $face 3479 my $idx = cf::face::find $face
2853 or next; 3480 or next;
3481
2854 if (my $smooth = cf::face::find $info->{smooth}) { 3482 if (my $smooth = cf::face::find $info->{smooth}) {
2855 cf::face::set_smooth $idx, $smooth; 3483 cf::face::set_smooth $idx, $smooth;
2856 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3484 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2857 } else { 3485 } else {
2858 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3486 error "smooth face '$info->{smooth}' not found for face '$face'";
2859 } 3487 }
2860 3488
2861 cf::cede_to_tick; 3489 cf::cede_to_tick;
2862 } 3490 }
2863 } 3491 }
2872 3500
2873 cf::anim::invalidate_all; # d'oh 3501 cf::anim::invalidate_all; # d'oh
2874 } 3502 }
2875 3503
2876 { 3504 {
2877 # TODO: for gcfclient pleasure, we should give resources
2878 # that gcfclient doesn't grok a >10000 face index.
2879 my $res = $facedata->{resource}; 3505 my $res = $facedata->{resource};
2880 3506
2881 my $soundconf = delete $res->{"res/sound.conf"};
2882
2883 while (my ($name, $info) = each %$res) { 3507 while (my ($name, $info) = each %$res) {
3508 if (defined $info->{type}) {
2884 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3509 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2885 my $data;
2886 3510
2887 if ($info->{type} & 1) { 3511 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2888 # prepend meta info 3512 cf::face::set_type $idx, $info->{type};
2889 3513 } else {
2890 my $meta = $enc->encode ({ 3514 $RESOURCE{$name} = $info; # unused
2891 name => $name,
2892 %{ $info->{meta} || {} },
2893 });
2894
2895 $data = pack "(w/a*)*", $meta, $info->{data};
2896 } 3515 }
2897 3516
2898 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2899 cf::face::set_type $idx, $info->{type};
2900
2901 cf::cede_to_tick; 3517 cf::cede_to_tick;
2902 } 3518 }
2903
2904 if ($soundconf) {
2905 $soundconf = $enc->decode (delete $soundconf->{data});
2906
2907 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2908 my $sound = $soundconf->{compat}[$_]
2909 or next;
2910
2911 my $face = cf::face::find "sound/$sound->[1]";
2912 cf::sound::set $sound->[0] => $face;
2913 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2914 }
2915
2916 while (my ($k, $v) = each %{$soundconf->{event}}) {
2917 my $face = cf::face::find "sound/$v";
2918 cf::sound::set $k => $face;
2919 }
2920 }
2921 } 3519 }
3520
3521 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2922 3522
2923 1 3523 1
2924} 3524}
2925 3525
2926register_exticmd fx_want => sub { 3526register_exticmd fx_want => sub {
2929 while (my ($k, $v) = each %$want) { 3529 while (my ($k, $v) = each %$want) {
2930 $ns->fx_want ($k, $v); 3530 $ns->fx_want ($k, $v);
2931 } 3531 }
2932}; 3532};
2933 3533
3534sub load_resource_file($) {
3535 my $guard = lock_acquire "load_resource_file";
3536
3537 my $status = load_resource_file_ $_[0];
3538 get_slot 0.1, 100;
3539 cf::arch::commit_load;
3540
3541 $status
3542}
3543
2934sub reload_regions { 3544sub reload_regions {
3545 # HACK to clear player env face cache, we need some signal framework
3546 # for this (global event?)
3547 %ext::player_env::MUSIC_FACE_CACHE = ();
3548
2935 load_resource_file "$MAPDIR/regions" 3549 load_resource_file "$MAPDIR/regions"
2936 or die "unable to load regions file\n"; 3550 or die "unable to load regions file\n";
2937 3551
2938 for (cf::region::list) { 3552 for (cf::region::list) {
2939 $_->{match} = qr/$_->{match}/ 3553 $_->{match} = qr/$_->{match}/
2947} 3561}
2948 3562
2949sub reload_archetypes { 3563sub reload_archetypes {
2950 load_resource_file "$DATADIR/archetypes" 3564 load_resource_file "$DATADIR/archetypes"
2951 or die "unable to load archetypes\n"; 3565 or die "unable to load archetypes\n";
2952 #d# NEED to laod twice to resolve forward references
2953 # this really needs to be done in an extra post-pass
2954 # (which needs to be synchronous, so solve it differently)
2955 load_resource_file "$DATADIR/archetypes"
2956 or die "unable to load archetypes\n";
2957} 3566}
2958 3567
2959sub reload_treasures { 3568sub reload_treasures {
2960 load_resource_file "$DATADIR/treasures" 3569 load_resource_file "$DATADIR/treasures"
2961 or die "unable to load treasurelists\n"; 3570 or die "unable to load treasurelists\n";
2962} 3571}
2963 3572
3573sub reload_sound {
3574 trace "loading sound config from $DATADIR/sound\n";
3575
3576 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3577
3578 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3579 my $sound = $soundconf->{compat}[$_]
3580 or next;
3581
3582 my $face = cf::face::find "sound/$sound->[1]";
3583 cf::sound::set $sound->[0] => $face;
3584 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3585 }
3586
3587 while (my ($k, $v) = each %{$soundconf->{event}}) {
3588 my $face = cf::face::find "sound/$v";
3589 cf::sound::set $k => $face;
3590 }
3591}
3592
2964sub reload_resources { 3593sub reload_resources {
2965 warn "reloading resource files...\n"; 3594 trace "reloading resource files...\n";
2966 3595
3596 reload_exp_table;
3597 reload_materials;
3598 reload_facedata;
3599 reload_sound;
3600 reload_archetypes;
2967 reload_regions; 3601 reload_regions;
2968 reload_facedata;
2969 #reload_archetypes;#d#
2970 reload_archetypes;
2971 reload_treasures; 3602 reload_treasures;
2972 3603
2973 warn "finished reloading resource files\n"; 3604 trace "finished reloading resource files\n";
2974} 3605}
2975 3606
2976sub init { 3607sub reload_config {
2977 reload_resources; 3608 trace "reloading config file...\n";
2978}
2979 3609
2980sub cfg_load { 3610 my $config = load_file "$CONFDIR/config";
2981 open my $fh, "<:utf8", "$CONFDIR/config" 3611 utf8::decode $config;
2982 or return; 3612 *CFG = decode_yaml $config;
2983 3613
2984 local $/;
2985 *CFG = YAML::Syck::Load <$fh>;
2986
2987 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3614 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2988 3615
2989 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3616 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2990 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3617 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2991 3618
2992 if (exists $CFG{mlockall}) { 3619 if (exists $CFG{mlockall}) {
2996 }; 3623 };
2997 warn $@ if $@; 3624 warn $@ if $@;
2998 } 3625 }
2999} 3626}
3000 3627
3628sub pidfile() {
3629 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3630 or die "$PIDFILE: $!";
3631 flock $fh, &Fcntl::LOCK_EX
3632 or die "$PIDFILE: flock: $!";
3633 $fh
3634}
3635
3636# make sure only one server instance is running at any one time
3637sub atomic {
3638 my $fh = pidfile;
3639
3640 my $pid = <$fh>;
3641 kill 9, $pid if $pid > 0;
3642
3643 seek $fh, 0, 0;
3644 print $fh $$;
3645}
3646
3647sub main_loop {
3648 trace "EV::loop starting\n";
3649 if (1) {
3650 EV::loop;
3651 }
3652 trace "EV::loop returned\n";
3653 goto &main_loop unless $REALLY_UNLOOP;
3654}
3655
3001sub main { 3656sub main {
3657 cf::init_globals; # initialise logging
3658
3659 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3660 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3661 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3662 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3663
3664 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3665
3002 # we must not ever block the main coroutine 3666 # we must not ever block the main coroutine
3003 local $Coro::idle = sub { 3667 local $Coro::idle = sub {
3004 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3668 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3005 (async { 3669 (async {
3006 Event::one_event; 3670 $Coro::current->{desc} = "IDLE BUG HANDLER";
3671 EV::loop EV::LOOP_ONESHOT;
3007 })->prio (Coro::PRIO_MAX); 3672 })->prio (Coro::PRIO_MAX);
3008 }; 3673 };
3009 3674
3010 cfg_load; 3675 evthread_start IO::AIO::poll_fileno;
3676
3677 cf::sync_job {
3678 cf::incloader::init ();
3679
3680 cf::init_anim;
3681 cf::init_attackmess;
3682 cf::init_dynamic;
3683
3684 cf::load_settings;
3685
3686 reload_resources;
3687 reload_config;
3011 db_init; 3688 db_init;
3689
3690 cf::init_uuid;
3691 cf::init_signals;
3692 cf::init_skills;
3693
3694 cf::init_beforeplay;
3695
3696 atomic;
3697
3012 load_extensions; 3698 load_extensions;
3013 3699
3014 $TICK_WATCHER->start; 3700 utime time, time, $RUNTIMEFILE;
3015 Event::loop; 3701
3702 # no (long-running) fork's whatsoever before this point(!)
3703 use POSIX ();
3704 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3705
3706 cf::_post_init 0;
3707 };
3708
3709 cf::object::thawer::errors_are_fatal 0;
3710 info "parse errors in files are no longer fatal from this point on.\n";
3711
3712 my $free_main; $free_main = EV::idle sub {
3713 undef $free_main;
3714 undef &main; # free gobs of memory :)
3715 };
3716
3717 goto &main_loop;
3016} 3718}
3017 3719
3018############################################################################# 3720#############################################################################
3019# initialisation and cleanup 3721# initialisation and cleanup
3020 3722
3021# install some emergency cleanup handlers 3723# install some emergency cleanup handlers
3022BEGIN { 3724BEGIN {
3725 our %SIGWATCHER = ();
3023 for my $signal (qw(INT HUP TERM)) { 3726 for my $signal (qw(INT HUP TERM)) {
3024 Event->signal ( 3727 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3025 reentrant => 0,
3026 data => WF_AUTOCANCEL,
3027 signal => $signal,
3028 prio => 0,
3029 cb => sub {
3030 cf::cleanup "SIG$signal"; 3728 cf::cleanup "SIG$signal";
3031 },
3032 ); 3729 };
3033 } 3730 }
3034} 3731}
3035 3732
3036sub write_runtime { 3733sub write_runtime_sync {
3037 my $runtime = "$LOCALDIR/runtime"; 3734 my $t0 = AE::time;
3038 3735
3039 # first touch the runtime file to show we are still running: 3736 # first touch the runtime file to show we are still running:
3040 # the fsync below can take a very very long time. 3737 # the fsync below can take a very very long time.
3041 3738
3042 IO::AIO::aio_utime $runtime, undef, undef; 3739 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3043 3740
3044 my $guard = cf::lock_acquire "write_runtime"; 3741 my $guard = cf::lock_acquire "write_runtime";
3045 3742
3046 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3743 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3047 or return; 3744 or return;
3048 3745
3049 my $value = $cf::RUNTIME + 90 + 10; 3746 my $value = $cf::RUNTIME + 90 + 10;
3050 # 10 is the runtime save interval, for a monotonic clock 3747 # 10 is the runtime save interval, for a monotonic clock
3051 # 60 allows for the watchdog to kill the server. 3748 # 60 allows for the watchdog to kill the server.
3061 aio_utime $fh, undef, undef; 3758 aio_utime $fh, undef, undef;
3062 3759
3063 close $fh 3760 close $fh
3064 or return; 3761 or return;
3065 3762
3066 aio_rename "$runtime~", $runtime 3763 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3067 and return; 3764 and return;
3068 3765
3069 warn "runtime file written.\n"; 3766 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3070 3767
3071 1 3768 1
3769}
3770
3771our $uuid_lock;
3772our $uuid_skip;
3773
3774sub write_uuid_sync($) {
3775 $uuid_skip ||= $_[0];
3776
3777 return if $uuid_lock;
3778 local $uuid_lock = 1;
3779
3780 my $uuid = "$LOCALDIR/uuid";
3781
3782 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3783 or return;
3784
3785 my $value = uuid_seq uuid_cur;
3786
3787 unless ($value) {
3788 info "cowardly refusing to write zero uuid value!\n";
3789 return;
3790 }
3791
3792 my $value = uuid_str $value + $uuid_skip;
3793 $uuid_skip = 0;
3794
3795 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3796 and return;
3797
3798 # always fsync - this file is important
3799 aio_fsync $fh
3800 and return;
3801
3802 close $fh
3803 or return;
3804
3805 aio_rename "$uuid~", $uuid
3806 and return;
3807
3808 trace "uuid file written ($value).\n";
3809
3810 1
3811
3812}
3813
3814sub write_uuid($$) {
3815 my ($skip, $sync) = @_;
3816
3817 $sync ? write_uuid_sync $skip
3818 : async { write_uuid_sync $skip };
3072} 3819}
3073 3820
3074sub emergency_save() { 3821sub emergency_save() {
3075 my $freeze_guard = cf::freeze_mainloop; 3822 my $freeze_guard = cf::freeze_mainloop;
3076 3823
3077 warn "enter emergency perl save\n"; 3824 info "emergency_perl_save: enter\n";
3825
3826 # this is a trade-off: we want to be very quick here, so
3827 # save all maps without fsync, and later call a global sync
3828 # (which in turn might be very very slow)
3829 local $USE_FSYNC = 0;
3078 3830
3079 cf::sync_job { 3831 cf::sync_job {
3832 cf::write_runtime_sync; # external watchdog should not bark
3833
3080 # use a peculiar iteration method to avoid tripping on perl 3834 # use a peculiar iteration method to avoid tripping on perl
3081 # refcount bugs in for. also avoids problems with players 3835 # refcount bugs in for. also avoids problems with players
3082 # and maps saved/destroyed asynchronously. 3836 # and maps saved/destroyed asynchronously.
3083 warn "begin emergency player save\n"; 3837 info "emergency_perl_save: begin player save\n";
3084 for my $login (keys %cf::PLAYER) { 3838 for my $login (keys %cf::PLAYER) {
3085 my $pl = $cf::PLAYER{$login} or next; 3839 my $pl = $cf::PLAYER{$login} or next;
3086 $pl->valid or next; 3840 $pl->valid or next;
3841 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3087 $pl->save; 3842 $pl->save;
3088 } 3843 }
3089 warn "end emergency player save\n"; 3844 info "emergency_perl_save: end player save\n";
3090 3845
3091 warn "begin emergency map save\n"; 3846 cf::write_runtime_sync; # external watchdog should not bark
3847
3848 info "emergency_perl_save: begin map save\n";
3092 for my $path (keys %cf::MAP) { 3849 for my $path (keys %cf::MAP) {
3093 my $map = $cf::MAP{$path} or next; 3850 my $map = $cf::MAP{$path} or next;
3094 $map->valid or next; 3851 $map->valid or next;
3095 $map->save; 3852 $map->save;
3096 } 3853 }
3097 warn "end emergency map save\n"; 3854 info "emergency_perl_save: end map save\n";
3098 3855
3099 warn "begin emergency database checkpoint\n"; 3856 cf::write_runtime_sync; # external watchdog should not bark
3857
3858 info "emergency_perl_save: begin database checkpoint\n";
3100 BDB::db_env_txn_checkpoint $DB_ENV; 3859 BDB::db_env_txn_checkpoint $DB_ENV;
3101 warn "end emergency database checkpoint\n"; 3860 info "emergency_perl_save: end database checkpoint\n";
3861
3862 info "emergency_perl_save: begin write uuid\n";
3863 write_uuid_sync 1;
3864 info "emergency_perl_save: end write uuid\n";
3865
3866 cf::write_runtime_sync; # external watchdog should not bark
3867
3868 trace "emergency_perl_save: syncing database to disk";
3869 BDB::db_env_txn_checkpoint $DB_ENV;
3870
3871 info "emergency_perl_save: starting sync\n";
3872 IO::AIO::aio_sync sub {
3873 info "emergency_perl_save: finished sync\n";
3874 };
3875
3876 cf::write_runtime_sync; # external watchdog should not bark
3877
3878 trace "emergency_perl_save: flushing outstanding aio requests";
3879 while (IO::AIO::nreqs || BDB::nreqs) {
3880 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3881 }
3882
3883 cf::write_runtime_sync; # external watchdog should not bark
3102 }; 3884 };
3103 3885
3104 warn "leave emergency perl save\n"; 3886 info "emergency_perl_save: leave\n";
3105} 3887}
3106 3888
3107sub post_cleanup { 3889sub post_cleanup {
3108 my ($make_core) = @_; 3890 my ($make_core) = @_;
3109 3891
3892 IO::AIO::flush;
3893
3110 warn Carp::longmess "post_cleanup backtrace" 3894 error Carp::longmess "post_cleanup backtrace"
3111 if $make_core; 3895 if $make_core;
3896
3897 my $fh = pidfile;
3898 unlink $PIDFILE if <$fh> == $$;
3899}
3900
3901# a safer delete_package, copied from Symbol
3902sub clear_package($) {
3903 my $pkg = shift;
3904
3905 # expand to full symbol table name if needed
3906 unless ($pkg =~ /^main::.*::$/) {
3907 $pkg = "main$pkg" if $pkg =~ /^::/;
3908 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3909 $pkg .= '::' unless $pkg =~ /::$/;
3910 }
3911
3912 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3913 my $stem_symtab = *{$stem}{HASH};
3914
3915 defined $stem_symtab and exists $stem_symtab->{$leaf}
3916 or return;
3917
3918 # clear all symbols
3919 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3920 for my $name (keys %$leaf_symtab) {
3921 _gv_clear *{"$pkg$name"};
3922# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3923 }
3112} 3924}
3113 3925
3114sub do_reload_perl() { 3926sub do_reload_perl() {
3115 # can/must only be called in main 3927 # can/must only be called in main
3116 if ($Coro::current != $Coro::main) { 3928 unless (in_main) {
3117 warn "can only reload from main coroutine"; 3929 error "can only reload from main coroutine";
3118 return; 3930 return;
3119 } 3931 }
3120 3932
3121 warn "reloading..."; 3933 return if $RELOAD++;
3122 3934
3123 warn "entering sync_job"; 3935 my $t1 = AE::time;
3124 3936
3937 while ($RELOAD) {
3938 cf::get_slot 0.1, -1, "reload_perl";
3939 info "perl_reload: reloading...";
3940
3941 trace "perl_reload: entering sync_job";
3942
3125 cf::sync_job { 3943 cf::sync_job {
3126 cf::write_runtime; # external watchdog should not bark
3127 cf::emergency_save; 3944 #cf::emergency_save;
3128 cf::write_runtime; # external watchdog should not bark
3129 3945
3130 warn "syncing database to disk";
3131 BDB::db_env_txn_checkpoint $DB_ENV;
3132
3133 # if anything goes wrong in here, we should simply crash as we already saved
3134
3135 warn "cancelling all WF_AUTOCANCEL watchers";
3136 for (Event::all_watchers) {
3137 $_->cancel if $_->data & WF_AUTOCANCEL;
3138 }
3139
3140 warn "flushing outstanding aio requests";
3141 for (;;) {
3142 BDB::flush;
3143 IO::AIO::flush;
3144 Coro::cede;
3145 last unless IO::AIO::nreqs || BDB::nreqs;
3146 warn "iterate...";
3147 }
3148
3149 ++$RELOAD;
3150
3151 warn "cancelling all extension coros"; 3946 trace "perl_reload: cancelling all extension coros";
3152 $_->cancel for values %EXT_CORO; 3947 $_->cancel for values %EXT_CORO;
3153 %EXT_CORO = (); 3948 %EXT_CORO = ();
3154 3949
3155 warn "removing commands"; 3950 trace "perl_reload: removing commands";
3156 %COMMAND = (); 3951 %COMMAND = ();
3157 3952
3158 warn "removing ext/exti commands"; 3953 trace "perl_reload: removing ext/exti commands";
3159 %EXTCMD = (); 3954 %EXTCMD = ();
3160 %EXTICMD = (); 3955 %EXTICMD = ();
3161 3956
3162 warn "unloading/nuking all extensions"; 3957 trace "perl_reload: unloading/nuking all extensions";
3163 for my $pkg (@EXTS) { 3958 for my $pkg (@EXTS) {
3164 warn "... unloading $pkg"; 3959 trace "... unloading $pkg";
3165 3960
3166 if (my $cb = $pkg->can ("unload")) { 3961 if (my $cb = $pkg->can ("unload")) {
3167 eval { 3962 eval {
3168 $cb->($pkg); 3963 $cb->($pkg);
3169 1 3964 1
3170 } or warn "$pkg unloaded, but with errors: $@"; 3965 } or error "$pkg unloaded, but with errors: $@";
3966 }
3967
3968 trace "... clearing $pkg";
3969 clear_package $pkg;
3171 } 3970 }
3172 3971
3173 warn "... nuking $pkg";
3174 Symbol::delete_package $pkg;
3175 }
3176
3177 warn "unloading all perl modules loaded from $LIBDIR"; 3972 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3178 while (my ($k, $v) = each %INC) { 3973 while (my ($k, $v) = each %INC) {
3179 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3974 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3180 3975
3181 warn "... unloading $k"; 3976 trace "... unloading $k";
3182 delete $INC{$k}; 3977 delete $INC{$k};
3183 3978
3184 $k =~ s/\.pm$//; 3979 $k =~ s/\.pm$//;
3185 $k =~ s/\//::/g; 3980 $k =~ s/\//::/g;
3186 3981
3187 if (my $cb = $k->can ("unload_module")) { 3982 if (my $cb = $k->can ("unload_module")) {
3188 $cb->(); 3983 $cb->();
3984 }
3985
3986 clear_package $k;
3189 } 3987 }
3190 3988
3191 Symbol::delete_package $k;
3192 }
3193
3194 warn "getting rid of safe::, as good as possible"; 3989 trace "perl_reload: getting rid of safe::, as good as possible";
3195 Symbol::delete_package "safe::$_" 3990 clear_package "safe::$_"
3196 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3991 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3197 3992
3198 warn "unloading cf.pm \"a bit\""; 3993 trace "perl_reload: unloading cf.pm \"a bit\"";
3199 delete $INC{"cf.pm"}; 3994 delete $INC{"cf.pm"};
3200 delete $INC{"cf/pod.pm"}; 3995 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3201 3996
3202 # don't, removes xs symbols, too, 3997 # don't, removes xs symbols, too,
3203 # and global variables created in xs 3998 # and global variables created in xs
3204 #Symbol::delete_package __PACKAGE__; 3999 #clear_package __PACKAGE__;
3205 4000
3206 warn "unload completed, starting to reload now"; 4001 info "perl_reload: unload completed, starting to reload now";
3207 4002
3208 warn "reloading cf.pm"; 4003 trace "perl_reload: reloading cf.pm";
3209 require cf; 4004 require cf;
3210 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4005 cf::_connect_to_perl_1;
3211 4006
3212 warn "loading config and database again"; 4007 trace "perl_reload: loading config and database again";
3213 cf::cfg_load; 4008 cf::reload_config;
3214 4009
3215 warn "loading extensions"; 4010 trace "perl_reload: loading extensions";
3216 cf::load_extensions; 4011 cf::load_extensions;
3217 4012
4013 if ($REATTACH_ON_RELOAD) {
3218 warn "reattaching attachments to objects/players"; 4014 trace "perl_reload: reattaching attachments to objects/players";
3219 _global_reattach; # objects, sockets 4015 _global_reattach; # objects, sockets
3220 warn "reattaching attachments to maps"; 4016 trace "perl_reload: reattaching attachments to maps";
3221 reattach $_ for values %MAP; 4017 reattach $_ for values %MAP;
3222 warn "reattaching attachments to players"; 4018 trace "perl_reload: reattaching attachments to players";
3223 reattach $_ for values %PLAYER; 4019 reattach $_ for values %PLAYER;
4020 }
3224 4021
3225 warn "leaving sync_job"; 4022 cf::_post_init 1;
3226 4023
4024 trace "perl_reload: leaving sync_job";
4025
3227 1 4026 1
3228 } or do { 4027 } or do {
3229 warn $@; 4028 error $@;
3230 warn "error while reloading, exiting."; 4029 cf::cleanup "perl_reload: error, exiting.";
3231 exit 1; 4030 };
4031
4032 --$RELOAD;
3232 }; 4033 }
3233 4034
3234 warn "reloaded"; 4035 $t1 = AE::time - $t1;
4036 info "perl_reload: completed in ${t1}s\n";
3235}; 4037};
3236 4038
3237our $RELOAD_WATCHER; # used only during reload 4039our $RELOAD_WATCHER; # used only during reload
3238 4040
3239sub reload_perl() { 4041sub reload_perl() {
3240 # doing reload synchronously and two reloads happen back-to-back, 4042 # doing reload synchronously and two reloads happen back-to-back,
3241 # coro crashes during coro_state_free->destroy here. 4043 # coro crashes during coro_state_free->destroy here.
3242 4044
3243 $RELOAD_WATCHER ||= Event->timer ( 4045 $RELOAD_WATCHER ||= cf::async {
3244 reentrant => 0, 4046 Coro::AIO::aio_wait cache_extensions;
3245 after => 0, 4047
3246 data => WF_AUTOCANCEL, 4048 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3247 cb => sub {
3248 do_reload_perl; 4049 do_reload_perl;
3249 undef $RELOAD_WATCHER; 4050 undef $RELOAD_WATCHER;
3250 }, 4051 };
3251 ); 4052 };
3252} 4053}
3253 4054
3254register_command "reload" => sub { 4055register_command "reload" => sub {
3255 my ($who, $arg) = @_; 4056 my ($who, $arg) = @_;
3256 4057
3257 if ($who->flag (FLAG_WIZ)) { 4058 if ($who->flag (FLAG_WIZ)) {
3258 $who->message ("reloading server."); 4059 $who->message ("reloading server.");
4060 async {
4061 $Coro::current->{desc} = "perl_reload";
3259 async { reload_perl }; 4062 reload_perl;
4063 };
3260 } 4064 }
3261}; 4065};
3262 4066
3263unshift @INC, $LIBDIR; 4067#############################################################################
3264 4068
3265my $bug_warning = 0; 4069my $bug_warning = 0;
3266 4070
3267our @WAIT_FOR_TICK; 4071our @WAIT_FOR_TICK;
3268our @WAIT_FOR_TICK_BEGIN; 4072our @WAIT_FOR_TICK_BEGIN;
3269 4073
3270sub wait_for_tick { 4074sub wait_for_tick() {
3271 return unless $TICK_WATCHER->is_active;
3272 return if $Coro::current == $Coro::main; 4075 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273 4076
3274 my $signal = new Coro::Signal; 4077 my $signal = new Coro::Signal;
3275 push @WAIT_FOR_TICK, $signal; 4078 push @WAIT_FOR_TICK, $signal;
3276 $signal->wait; 4079 $signal->wait;
3277} 4080}
3278 4081
3279sub wait_for_tick_begin { 4082sub wait_for_tick_begin() {
3280 return unless $TICK_WATCHER->is_active;
3281 return if $Coro::current == $Coro::main; 4083 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3282 4084
3283 my $signal = new Coro::Signal; 4085 my $signal = new Coro::Signal;
3284 push @WAIT_FOR_TICK_BEGIN, $signal; 4086 push @WAIT_FOR_TICK_BEGIN, $signal;
3285 $signal->wait; 4087 $signal->wait;
3286} 4088}
3287 4089
3288 my $min = 1e6;#d# 4090sub tick {
3289 my $avg = 10;
3290$TICK_WATCHER = Event->timer (
3291 reentrant => 0,
3292 parked => 1,
3293 prio => 0,
3294 at => $NEXT_TICK || $TICK,
3295 data => WF_AUTOCANCEL,
3296 cb => sub {
3297 if ($Coro::current != $Coro::main) { 4091 if ($Coro::current != $Coro::main) {
3298 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4092 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3299 unless ++$bug_warning > 10; 4093 unless ++$bug_warning > 10;
3300 return; 4094 return;
3301 } 4095 }
3302 4096
3303 $NOW = $tick_start = Event::time;
3304
3305 cf::server_tick; # one server iteration 4097 cf::server_tick; # one server iteration
3306 4098
3307 0 && sync_job {#d# 4099 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3308 for(1..10) {
3309 my $t = Event::time;
3310 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3311 or die;
3312 4100
3313 $map->width (50); 4101 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3314 $map->height (50); 4102 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3315 $map->alloc; 4103 Coro::async_pool {
3316 $map->_load_objects ("/tmp/x.map", 1); 4104 $Coro::current->{desc} = "runtime saver";
3317 my $t = Event::time - $t; 4105 write_runtime_sync
3318 4106 or error "ERROR: unable to write runtime file: $!";
3319 #next unless $t < 0.0013;#d#
3320 if ($t < $min) {
3321 $min = $t;
3322 }
3323 $avg = $avg * 0.99 + $t * 0.01;
3324 }
3325 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3326 exit 0;
3327 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3328 }; 4107 };
4108 }
3329 4109
3330 $RUNTIME += $TICK;
3331 $NEXT_TICK += $TICK;
3332
3333 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334 $NEXT_RUNTIME_WRITE = $NOW + 10;
3335 Coro::async_pool {
3336 write_runtime
3337 or warn "ERROR: unable to write runtime file: $!";
3338 };
3339 }
3340
3341# my $AFTER = Event::time;
3342# warn $AFTER - $NOW;#d#
3343
3344 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4110 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3345 $sig->send; 4111 $sig->send;
3346 } 4112 }
3347 while (my $sig = shift @WAIT_FOR_TICK) { 4113 while (my $sig = shift @WAIT_FOR_TICK) {
3348 $sig->send; 4114 $sig->send;
3349 } 4115 }
3350 4116
3351 $NOW = Event::time; 4117 $LOAD = ($NOW - $TICK_START) / $TICK;
3352
3353 # if we are delayed by four ticks or more, skip them all
3354 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3355
3356 $TICK_WATCHER->at ($NEXT_TICK);
3357 $TICK_WATCHER->start;
3358
3359 $LOAD = ($NOW - $tick_start) / $TICK;
3360 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4118 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3361 4119
3362 _post_tick; 4120 if (0) {
3363 4121 if ($NEXT_TICK) {
3364 4122 my $jitter = $TICK_START - $NEXT_TICK;
4123 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4124 debug "jitter $JITTER\n";#d#
4125 }
3365 }, 4126 }
3366); 4127}
3367 4128
3368{ 4129{
3369 BDB::max_poll_time $TICK * 0.1; 4130 # configure BDB
3370 $BDB_POLL_WATCHER = Event->io ( 4131
3371 reentrant => 0,
3372 fd => BDB::poll_fileno,
3373 poll => 'r',
3374 prio => 0,
3375 data => WF_AUTOCANCEL,
3376 cb => \&BDB::poll_cb,
3377 );
3378 BDB::min_parallel 8; 4132 BDB::min_parallel 16;
3379 4133 BDB::max_poll_reqs $TICK * 0.1;
3380 BDB::set_sync_prepare { 4134 $AnyEvent::BDB::WATCHER->priority (1);
3381 my $status;
3382 my $current = $Coro::current;
3383 (
3384 sub {
3385 $status = $!;
3386 $current->ready; undef $current;
3387 },
3388 sub {
3389 Coro::schedule while defined $current;
3390 $! = $status;
3391 },
3392 )
3393 };
3394 4135
3395 unless ($DB_ENV) { 4136 unless ($DB_ENV) {
3396 $DB_ENV = BDB::db_env_create; 4137 $DB_ENV = BDB::db_env_create;
4138 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4139 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4140 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4141 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4142 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3397 4143
3398 cf::sync_job { 4144 cf::sync_job {
3399 eval { 4145 eval {
3400 BDB::db_env_open 4146 BDB::db_env_open
3401 $DB_ENV, 4147 $DB_ENV,
3403 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4149 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3404 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4150 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3405 0666; 4151 0666;
3406 4152
3407 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4153 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3408
3409 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3410 $DB_ENV->set_lk_detect;
3411 }; 4154 };
3412 4155
3413 cf::cleanup "db_env_open(db): $@" if $@; 4156 cf::cleanup "db_env_open(db): $@" if $@;
3414 }; 4157 };
3415 } 4158 }
4159
4160 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4161 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4162 };
4163 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4164 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4165 };
4166 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4167 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4168 };
3416} 4169}
3417 4170
3418{ 4171{
4172 # configure IO::AIO
4173
3419 IO::AIO::min_parallel 8; 4174 IO::AIO::min_parallel 8;
3420
3421 undef $Coro::AIO::WATCHER;
3422 IO::AIO::max_poll_time $TICK * 0.1; 4175 IO::AIO::max_poll_time $TICK * 0.1;
3423 $AIO_POLL_WATCHER = Event->io ( 4176 undef $AnyEvent::AIO::WATCHER;
3424 reentrant => 0,
3425 data => WF_AUTOCANCEL,
3426 fd => IO::AIO::poll_fileno,
3427 poll => 'r',
3428 prio => 6,
3429 cb => \&IO::AIO::poll_cb,
3430 );
3431} 4177}
3432 4178
3433my $_log_backtrace; 4179our $_log_backtrace;
4180our $_log_backtrace_last;
3434 4181
3435sub _log_backtrace { 4182sub _log_backtrace {
3436 my ($msg, @addr) = @_; 4183 my ($msg, @addr) = @_;
3437 4184
3438 $msg =~ s/\n//; 4185 $msg =~ s/\n$//;
3439 4186
4187 if ($_log_backtrace_last eq $msg) {
4188 LOG llevInfo, "[ABT] $msg\n";
4189 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3440 # limit the # of concurrent backtraces 4190 # limit the # of concurrent backtraces
3441 if ($_log_backtrace < 2) { 4191 } elsif ($_log_backtrace < 2) {
4192 $_log_backtrace_last = $msg;
3442 ++$_log_backtrace; 4193 ++$_log_backtrace;
4194 my $perl_bt = Carp::longmess $msg;
3443 async { 4195 async {
4196 $Coro::current->{desc} = "abt $msg";
4197
3444 my @bt = fork_call { 4198 my @bt = fork_call {
3445 @addr = map { sprintf "%x", $_ } @addr; 4199 @addr = map { sprintf "%x", $_ } @addr;
3446 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4200 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3447 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4201 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3448 or die "addr2line: $!"; 4202 or die "addr2line: $!";
3456 } 4210 }
3457 4211
3458 @funcs 4212 @funcs
3459 }; 4213 };
3460 4214
3461 LOG llevInfo, "[ABT] $msg\n"; 4215 LOG llevInfo, "[ABT] $perl_bt\n";
4216 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3462 LOG llevInfo, "[ABT] $_\n" for @bt; 4217 LOG llevInfo, "[ABT] $_\n" for @bt;
3463 --$_log_backtrace; 4218 --$_log_backtrace;
3464 }; 4219 };
3465 } else { 4220 } else {
3466 LOG llevInfo, "[ABT] $msg\n"; 4221 LOG llevInfo, "[ABT] $msg\n";
3467 LOG llevInfo, "[ABT] [suppressed]\n"; 4222 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3468 } 4223 }
3469} 4224}
3470 4225
3471# load additional modules 4226# load additional modules
3472use cf::pod; 4227require "cf/$_.pm" for @EXTRA_MODULES;
4228cf::_connect_to_perl_2;
3473 4229
3474END { cf::emergency_save } 4230END { cf::emergency_save }
3475 4231
34761 42321
3477 4233

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