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Revision 1.322 by root, Fri Jul 27 10:10:51 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 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;
51use Coro::Util ();
24 52
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
34use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
35 64
36# configure various modules to our taste 65# configure various modules to our taste
37# 66#
38$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
39Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41 75
42$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
43 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 78
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
50 82
51our %COMMAND = (); 83our %COMMAND = ();
52our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
53 85
54our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
55our %EXTCMD = (); 87our %EXTCMD = ();
56our %EXTICMD = (); 88our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
59 91
60our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
62 96
63our $CONFDIR = confdir; 97our $CONFDIR = confdir;
98
64our $DATADIR = datadir; 99our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
103
68our $LOCALDIR = localdir; 104our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 105our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 106our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 107our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 108our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$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;
74 120
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 121our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 122our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79our $NEXT_TICK; 123our $NEXT_TICK;
80our $NOW;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 124our $USE_FSYNC = 1; # use fsync to write maps - default on
82 125
126our $BDB_DEADLOCK_WATCHER;
127our $BDB_CHECKPOINT_WATCHER;
83our $BDB_POLL_WATCHER; 128our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 129our $DB_ENV;
130
131our @EXTRA_MODULES = qw(pod match mapscript incloader);
85 132
86our %CFG; 133our %CFG;
87 134
88our $UPTIME; $UPTIME ||= time; 135our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 136our $RUNTIME;
137our $NOW;
90 138
91our %PLAYER; # all users 139our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 140our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 141our $LINK_MAP; # the special {link} map, which is always available
94 142
95# 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 ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 144our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 145
98our $LOAD; # a number between 0 (idle) and 1 (too many objects) 146our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing 147our $LOADAVG; # same thing, but with alpha-smoothing
148our $JITTER; # average jitter
100our $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 $REALLY_UNLOOP; # never set to true, please :)
101 155
102binmode STDOUT; 156binmode STDOUT;
103binmode STDERR; 157binmode STDERR;
104 158
105# read virtual server time, if available 159# read virtual server time, if available
106unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 160unless ($RUNTIME || !-e $RUNTIMEFILE) {
107 open my $fh, "<", "$LOCALDIR/runtime" 161 open my $fh, "<", $RUNTIMEFILE
108 or die "unable to read runtime file: $!"; 162 or die "unable to read $RUNTIMEFILE file: $!";
109 $RUNTIME = <$fh> + 0.; 163 $RUNTIME = <$fh> + 0.;
110} 164}
165
166eval "sub TICK() { $TICK } 1" or die;
111 167
112mkdir $_ 168mkdir $_
113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 169 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114 170
115our $EMERGENCY_POSITION; 171our $EMERGENCY_POSITION;
116 172
117sub 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::"} };
118 189
119############################################################################# 190#############################################################################
120 191
121=head2 GLOBAL VARIABLES 192=head2 GLOBAL VARIABLES
122 193
158 229
159The raw value load value from the last tick. 230The raw value load value from the last tick.
160 231
161=item %cf::CFG 232=item %cf::CFG
162 233
163Configuration for the server, loaded from C</etc/crossfire/config>, or 234Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164from wherever your confdir points to. 235from wherever your confdir points to.
165 236
166=item cf::wait_for_tick, cf::wait_for_tick_begin 237=item cf::wait_for_tick, cf::wait_for_tick_begin
167 238
168These 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
169returns 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
170per 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.
171 242
243=cut
244
245sub wait_for_tick();
246sub wait_for_tick_begin();
247
172=item @cf::INVOKE_RESULTS 248=item @cf::INVOKE_RESULTS
173 249
174This array contains the results of the last C<invoke ()> call. When 250This array contains the results of the last C<invoke ()> call. When
175C<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
176that call. 252that call.
177 253
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
178=back 260=back
179 261
180=cut 262=cut
181 263
182BEGIN { 264sub error(@) { LOG llevError, join "", @_ }
183 *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 {
184 my $msg = join "", @_; 271 my $msg = join "", @_;
185 272
186 $msg .= "\n" 273 $msg .= "\n"
187 unless $msg =~ /\n$/; 274 unless $msg =~ /\n$/;
188 275
189 $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;
190 277
191 utf8::encode $msg;
192 LOG llevError, $msg; 278 LOG llevWarn, $msg;
193 }; 279};
194} 280
281$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};
195 294
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 295@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 296@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 297@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 298@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 305for my $pkg (qw(
207 cf::global cf::attachable 306 cf::global cf::attachable
208 cf::object cf::object::player 307 cf::object cf::object::player
209 cf::client cf::player 308 cf::client cf::player
210 cf::arch cf::living 309 cf::arch cf::living
310 cf::map cf::mapspace
211 cf::map cf::party cf::region 311 cf::party cf::region
212)) { 312)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 313 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 314}
216 315
217$Event::DIED = sub { 316$EV::DIED = sub {
218 warn "error in event callback: @_"; 317 Carp::cluck "error in event callback: @_";
219}; 318};
319
320#############################################################################
321
322sub fork_call(&@);
323sub get_slot($;$$);
220 324
221############################################################################# 325#############################################################################
222 326
223=head2 UTILITY FUNCTIONS 327=head2 UTILITY FUNCTIONS
224 328
245 $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;
246 $d 350 $d
247 } || "[unable to dump $_[0]: '$@']"; 351 } || "[unable to dump $_[0]: '$@']";
248} 352}
249 353
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
250=item $ref = cf::from_json $json 368=item $ref = cf::decode_json $json
251 369
252Converts a JSON string into the corresponding perl data structure. 370Converts a JSON string into the corresponding perl data structure.
253 371
254=item $json = cf::to_json $ref 372=item $json = cf::encode_json $ref
255 373
256Converts a perl data structure into its JSON representation. 374Converts a perl data structure into its JSON representation.
257 375
258=cut 376=cut
259 377
260our $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
261 379
262sub to_json ($) { $json_coder->encode ($_[0]) } 380sub encode_json($) { $json_coder->encode ($_[0]) }
263sub 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}
264 444
265=item cf::lock_wait $string 445=item cf::lock_wait $string
266 446
267Wait until the given lock is available. See cf::lock_acquire. 447Wait until the given lock is available. See cf::lock_acquire.
268 448
269=item my $lock = cf::lock_acquire $string 449=item my $lock = cf::lock_acquire $string
270 450
271Wait 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
272a 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,
273for example when the coroutine gets canceled), the lock is automatically 453for example when the coroutine gets canceled), the lock is automatically
274returned. 454returned.
275 455
456Locks are *not* recursive, locking from the same coro twice results in a
457deadlocked coro.
458
276Lock 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
277uses map_find and cf::map::load uses map_load). 460uses map_find and cf::map::load uses map_load).
278 461
279=item $locked = cf::lock_active $string 462=item $locked = cf::lock_active $string
280 463
281Return 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.
282 465
283=cut 466=cut
284 467
285our %LOCK; 468our $LOCKS = new Coro::SemaphoreSet;
286 469
287sub lock_wait($) { 470sub lock_wait($) {
288 my ($key) = @_; 471 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 472}
296 473
297sub lock_acquire($) { 474sub lock_acquire($) {
298 my ($key) = @_; 475 $LOCKS->guard ($_[0])
299
300 # wait, to be sure we are not locked
301 lock_wait $key;
302
303 $LOCK{$key} = [];
304
305 Coro::guard {
306 # wake up all waiters, to be on the safe side
307 $_->ready for @{ delete $LOCK{$key} };
308 }
309} 476}
310 477
311sub lock_active($) { 478sub lock_active($) {
312 my ($key) = @_; 479 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 480}
316 481
317sub freeze_mainloop { 482sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 483 tick_inhibit_inc;
319 484
320 my $guard = Coro::guard { 485 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 486}
322 }; 487
323 $TICK_WATCHER->stop; 488=item cf::periodic $interval, $cb
324 $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
325} 501}
326 502
327=item cf::get_slot $time[, $priority[, $name]] 503=item cf::get_slot $time[, $priority[, $name]]
328 504
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 505Allocate $time seconds of blocking CPU time at priority C<$priority>
330This call blocks and returns only when you have at least C<$time> seconds 506(default: 0): This call blocks and returns only when you have at least
331of cpu time till the next tick. The slot is only valid till the next cede. 507C<$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.
332 512
333The 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
334used for statistical purposes and should identify the same time-class. 514used for statistical purposes and should identify the same time-class.
335 515
336Useful for short background jobs. 516Useful for short background jobs.
337 517
338=cut 518=cut
339 519
340our @SLOT_QUEUE; 520our @SLOT_QUEUE;
341our $SLOT_QUEUE; 521our $SLOT_QUEUE;
522our $SLOT_DECAY = 0.9;
342 523
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 524$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 525$SLOT_QUEUE = Coro::async {
526 $Coro::current->desc ("timeslot manager");
527
345 my $signal = new Coro::Signal; 528 my $signal = new Coro::Signal;
529 my $busy;
346 530
347 while () { 531 while () {
348 next_job: 532 next_job:
533
349 my $avail = cf::till_tick; 534 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 535
351 for (0 .. $#SLOT_QUEUE) { 536 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 537 if ($SLOT_QUEUE[$_][0] <= $avail) {
538 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 539 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 540 $job->[2]->send;
355 Coro::cede; 541 Coro::cede;
356 goto next_job; 542 goto next_job;
357 } 543 } else {
544 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 545 }
359 } 546 }
360 547
361 if (@SLOT_QUEUE) { 548 if (@SLOT_QUEUE) {
362 # 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
363 push @cf::WAIT_FOR_TICK, $signal; 550 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 551 $signal->wait;
365 } else { 552 } else {
553 $busy = 0;
366 Coro::schedule; 554 Coro::schedule;
367 } 555 }
368 } 556 }
369}; 557};
370 558
371sub get_slot($;$$) { 559sub get_slot($;$$) {
560 return if tick_inhibit || $Coro::current == $Coro::main;
561
372 my ($time, $pri, $name) = @_; 562 my ($time, $pri, $name) = @_;
373 563
374 $time = $TICK * .6 if $time > $TICK * .6; 564 $time = clamp $time, 0.01, $TICK * .6;
565
375 my $sig = new Coro::Signal; 566 my $sig = new Coro::Signal;
376 567
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 568 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 569 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 570 $SLOT_QUEUE->ready;
390 581
391BEGIN { *async = \&Coro::async_pool } 582BEGIN { *async = \&Coro::async_pool }
392 583
393=item cf::sync_job { BLOCK } 584=item cf::sync_job { BLOCK }
394 585
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 586The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 587is always able to handle events or runnable, as Deliantra is only
397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 588partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 589acceptable.
399 590
400If it must be done, put the blocking parts into C<sync_job>. This will run 591If it must be done, put the blocking parts into C<sync_job>. This will run
401the given BLOCK in another coroutine while waiting for the result. The 592the given BLOCK in another coroutine while waiting for the result. The
405=cut 596=cut
406 597
407sub sync_job(&) { 598sub sync_job(&) {
408 my ($job) = @_; 599 my ($job) = @_;
409 600
410 if ($Coro::current == $Coro::main) { 601 if (in_main) {
411 my $time = Event::time; 602 my $time = AE::time;
412 603
413 # this is the main coro, too bad, we have to block 604 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 605 # till the operation succeeds, freezing the server :/
415 606
416 # TODO: use suspend/resume instead 607 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 608
418 my $freeze_guard = freeze_mainloop; 609 my $freeze_guard = freeze_mainloop;
419 610
420 my $busy = 1; 611 my $busy = 1;
421 my @res; 612 my @res;
422 613
423 (async { 614 (async {
615 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 616 @res = eval { $job->() };
425 warn $@ if $@; 617 error $@ if $@;
426 undef $busy; 618 undef $busy;
427 })->prio (Coro::PRIO_MAX); 619 })->prio (Coro::PRIO_MAX);
428 620
429 while ($busy) { 621 while ($busy) {
430 Coro::cede or Event::one_event; 622 if (Coro::nready) {
623 Coro::cede_notself;
624 } else {
625 EV::loop EV::LOOP_ONESHOT;
431 } 626 }
627 }
432 628
433 $time = Event::time - $time; 629 my $time = AE::time - $time;
434 630
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load 631 $TICK_START += $time; # do not account sync jobs to server load
439 632
440 wantarray ? @res : $res[0] 633 wantarray ? @res : $res[0]
441 } else { 634 } else {
442 # we are in another coroutine, how wonderful, everything just works 635 # we are in another coroutine, how wonderful, everything just works
443 636
463 $EXT_CORO{$coro+0} = $coro; 656 $EXT_CORO{$coro+0} = $coro;
464 657
465 $coro 658 $coro
466} 659}
467 660
468=item fork_call { }, $args 661=item fork_call { }, @args
469 662
470Executes the given code block with the given arguments in a seperate 663Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 664process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 665Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 666never block itself or use any form of event handling.
474 667
475=cut 668=cut
476 669
477sub _store_scalar { 670sub post_fork {
478 open my $fh, ">", \my $buf 671 reset_signals;
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484} 672}
485 673
486sub fork_call(&@) { 674sub fork_call(&@) {
487 my ($cb, @args) = @_; 675 my ($cb, @args) = @_;
488 676
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 677 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 678 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 679 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 680
494 if (my $pid = fork) { 681 my @res = Coro::Util::fork_eval {
495 close $fh2; 682 cf::post_fork;
683 &$cb
684 } @args;
496 685
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 686 wantarray ? @res : $res[-1]
498 warn "pst<$res>" unless $res =~ /^pst/; 687}
499 $res = Coro::Storable::thaw $res;
500 688
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 689sub objinfo {
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 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
528} 725}
529 726
530=item $value = cf::db_get $family => $key 727=item $value = cf::db_get $family => $key
531 728
532Returns a single value from the environment database. 729Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 731=item cf::db_put $family => $key => $value
535 732
536Stores 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
537data 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).
538 735
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
539=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}
540 762
541our $DB; 763our $DB;
542 764
543sub db_init { 765sub db_init {
544 unless ($DB) { 766 $DB ||= db_table "db";
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558} 767}
559 768
560sub db_get($$) { 769sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 770 my $key = "$_[0]/$_[1]";
562 771
563 cf::sync_job { 772 cf::error "db_get called from main context"
773 if $Coro::current == $Coro::main;
774
564 BDB::db_get $DB, undef, $key, my $data; 775 BDB::db_get $DB, undef, $key, my $data;
565 776
566 $! ? () 777 $! ? ()
567 : $data 778 : $data
568 }
569} 779}
570 780
571sub db_put($$$) { 781sub db_put($$$) {
572 BDB::dbreq_pri 4; 782 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 783 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
601 811
602 my @data; 812 my @data;
603 my $md5; 813 my $md5;
604 814
605 for (0 .. $#$src) { 815 for (0 .. $#$src) {
606 0 <= aio_load $src->[$_], $data[$_] 816 $data[$_] = load_file $src->[$_];
607 or Carp::croak "$src->[$_]: $!";
608 } 817 }
609 818
610 # if processing is expensive, check 819 # if processing is expensive, check
611 # checksum first 820 # checksum first
612 if (1) { 821 if (1) {
613 $md5 = 822 $md5 =
614 join "\x00", 823 join "\x00",
615 $processversion, 824 $processversion,
616 map { 825 map {
617 Coro::cede; 826 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 827 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 828 } 0.. $#$src;
620 829
621 830
622 my $dbmd5 = db_get cache => "$id/md5"; 831 my $dbmd5 = db_get cache => "$id/md5";
629 838
630 my $t1 = Time::HiRes::time; 839 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 840 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 841 my $t2 = Time::HiRes::time;
633 842
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 843 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 844
636 db_put cache => "$id/data", $data; 845 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 846 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 847 db_put cache => "$id/meta", $meta;
639 848
649 858
650=cut 859=cut
651 860
652sub datalog($@) { 861sub datalog($@) {
653 my ($type, %kv) = @_; 862 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 863 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 864}
656 865
657=back 866=back
658 867
659=cut 868=cut
660 869
661############################################################################# 870#############################################################################
662 871
663=head2 ATTACHABLE OBJECTS 872=head2 ATTACHABLE OBJECTS
664 873
665Many 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
666attach callbacks/event handlers (a collection of which is called an "attachment") 875attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 876to it. All such attachable objects support the following methods.
668 877
669In 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>
670C<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
671Crossfire TRT). 880Deliantra).
672 881
673=over 4 882=over 4
674 883
675=item $attachable->attach ($attachment, key => $value...) 884=item $attachable->attach ($attachment, key => $value...)
676 885
720=item cf::CLASS::attachment $name, ... 929=item cf::CLASS::attachment $name, ...
721 930
722Register an attachment by C<$name> through which attachable objects of the 931Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 932given CLASS can refer to this attachment.
724 933
725Some classes such as crossfire maps and objects can specify attachments 934Some classes such as deliantra maps and objects can specify attachments
726that 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.
727 936
728These calls expect any number of the following handler/hook descriptions: 937These calls expect any number of the following handler/hook descriptions:
729 938
730=over 4 939=over 4
854 1063
855 } elsif (exists $cb_id{$type}) { 1064 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1065 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 1066
858 } elsif (ref $type) { 1067 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 1068 error "attaching objects not supported, ignoring.\n";
860 1069
861 } else { 1070 } else {
862 shift @arg; 1071 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 1072 error "attach argument '$type' not supported, ignoring.\n";
864 } 1073 }
865 } 1074 }
866} 1075}
867 1076
868sub _object_attach { 1077sub _object_attach {
878 _attach $registry, $klass, @attach; 1087 _attach $registry, $klass, @attach;
879 } 1088 }
880 1089
881 $obj->{$name} = \%arg; 1090 $obj->{$name} = \%arg;
882 } else { 1091 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1092 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1093 }
885 1094
886 $obj->{_attachment}{$name} = undef; 1095 $obj->{_attachment}{$name} = undef;
887} 1096}
888 1097
947 1156
948 for (@$callbacks) { 1157 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1158 eval { &{$_->[1]} };
950 1159
951 if ($@) { 1160 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1161 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1162 override;
955 } 1163 }
956 1164
957 return 1 if $override; 1165 return 1 if $override;
958 } 1166 }
959 1167
960 0 1168 0
961} 1169}
962 1170
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1171=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1172
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1173=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1174
967Generate an object-specific event with the given arguments. 1175Generate an object-specific event with the given arguments.
968 1176
974 1182
975=cut 1183=cut
976 1184
977############################################################################# 1185#############################################################################
978# object support 1186# object support
979#
980 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#
981sub _can_merge { 1221sub _can_merge {
982 my ($ob1, $ob2) = @_; 1222 my ($ob1, $ob2) = @_;
983 1223
984 local $Storable::canonical = 1; 1224 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1225
988 $fob1 eq $fob2 1226 # we do the slow way here
1227 return _object_equal $ob1, $ob2
989} 1228}
990 1229
991sub reattach { 1230sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1231 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1232 my ($obj) = @_;
994 1233
1234 # no longer needed after getting rid of delete_package?
995 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
996 1236
997 my $registry = $obj->registry; 1237 my $registry = $obj->registry;
998 1238
999 @$registry = (); 1239 @$registry = ();
1000 1240
1005 for (@$attach) { 1245 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1246 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1247 _attach $registry, $klass, @attach;
1008 } 1248 }
1009 } else { 1249 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1250 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1251 }
1012 } 1252 }
1013} 1253}
1014 1254
1015cf::attachable->attach ( 1255cf::attachable->attach (
1016 prio => -1000000, 1256 prio => -1000000,
1017 on_instantiate => sub { 1257 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1258 my ($obj, $data) = @_;
1019 1259
1020 $data = from_json $data; 1260 $data = decode_json $data;
1021 1261
1022 for (@$data) { 1262 for (@$data) {
1023 my ($name, $args) = @$_; 1263 my ($name, $args) = @$_;
1024 1264
1025 $obj->attach ($name, %{$args || {} }); 1265 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1281sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1282 my ($filename, $rdata, $objs) = @_;
1043 1283
1044 sync_job { 1284 sync_job {
1045 if (length $$rdata) { 1285 if (length $$rdata) {
1286 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1287 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1288 $decname, length $$rdata, scalar @$objs
1289 if $VERBOSE_IO;
1048 1290
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1291 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1292 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1293 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 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 }
1053 close $fh; 1298 aio_close $fh;
1054 1299
1055 if (@$objs) { 1300 if (@$objs) {
1056 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) {
1057 chmod SAVE_MODE, $fh; 1302 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1303 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1304 aio_write $fh, 0, (length $data), $data, 0;
1060 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 }
1061 close $fh; 1309 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1310 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1311 }
1064 } else { 1312 } else {
1065 aio_unlink "$filename.pst"; 1313 aio_unlink "$filename.pst";
1066 } 1314 }
1067 1315
1068 aio_rename "$filename~", $filename; 1316 aio_rename "$filename~", $filename;
1317
1318 $filename =~ s%/[^/]+$%%;
1319 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1320 } else {
1070 warn "FATAL: $filename~: $!\n"; 1321 error "unable to save objects: $filename~: $!\n";
1071 } 1322 }
1072 } else { 1323 } else {
1073 aio_unlink $filename; 1324 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1325 aio_unlink "$filename.pst";
1075 } 1326 }
1076 } 1327 };
1077} 1328}
1078 1329
1079sub object_freezer_as_string { 1330sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1331 my ($rdata, $objs) = @_;
1081 1332
1093 or return; 1344 or return;
1094 1345
1095 unless (aio_stat "$filename.pst") { 1346 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1347 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1348 or return;
1349
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1350 my $st = eval { Coro::Storable::thaw $av };
1351 $av = $st->{objs};
1099 } 1352 }
1100 1353
1354 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1355 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1356 $decname, length $data, scalar @{$av || []}
1357 if $VERBOSE_IO;
1358
1103 return ($data, $av); 1359 ($data, $av)
1104} 1360}
1105 1361
1106=head2 COMMAND CALLBACKS 1362=head2 COMMAND CALLBACKS
1107 1363
1108=over 4 1364=over 4
1162 my ($name, $cb) = @_; 1418 my ($name, $cb) = @_;
1163 1419
1164 $EXTICMD{$name} = $cb; 1420 $EXTICMD{$name} = $cb;
1165} 1421}
1166 1422
1423use File::Glob ();
1424
1167cf::player->attach ( 1425cf::player->attach (
1168 on_command => sub { 1426 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1427 my ($pl, $name, $params) = @_;
1170 1428
1171 my $cb = $COMMAND{$name} 1429 my $cb = $COMMAND{$name}
1172 or return; 1430 or return;
1173 1431
1186 my ($type, $reply, @payload) = 1444 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg 1445 "ARRAY" eq ref $msg
1188 ? @$msg 1446 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1447 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190 1448
1449 my @reply;
1450
1191 if (my $cb = $EXTCMD{$type}) { 1451 if (my $cb = $EXTCMD{$type}) {
1192 my @reply = $cb->($pl, @payload); 1452 @reply = $cb->($pl, @payload);
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196 } 1453 }
1454
1455 $pl->ext_reply ($reply, @reply)
1456 if $reply;
1457
1197 } else { 1458 } else {
1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1459 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199 } 1460 }
1200 1461
1201 cf::override; 1462 cf::override;
1202 }, 1463 },
1203); 1464);
1204 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
1205sub load_extensions { 1479sub load_extensions {
1480 info "loading extensions...";
1481
1206 cf::sync_job { 1482 cf::sync_job {
1207 my %todo; 1483 my %todo;
1208 1484
1209 for my $path (<$LIBDIR/*.ext>) { 1485 for my $path (<$LIBDIR/*.ext>) {
1210 next unless -r $path; 1486 next unless -r $path;
1228 1504
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1505 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1506 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1507
1232 $ext{source} = 1508 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1509 "package $pkg; use common::sense;\n"
1234 . "#line 1 \"$path\"\n{\n" 1510 . "#line 1 \"$path\"\n{\n"
1235 . $source 1511 . $source
1236 . "\n};\n1"; 1512 . "\n};\n1";
1237 1513
1238 $todo{$base} = \%ext; 1514 $todo{$base} = \%ext;
1239 } 1515 }
1240 1516
1517 my $pass = 0;
1241 my %done; 1518 my %done;
1242 while (%todo) { 1519 while (%todo) {
1243 my $progress; 1520 my $progress;
1244 1521
1522 ++$pass;
1523
1524 ext:
1245 while (my ($k, $v) = each %todo) { 1525 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) { 1526 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip 1527 next ext
1248 unless exists $done{$_}; 1528 unless exists $done{$_};
1249 } 1529 }
1250 1530
1251 warn "... loading '$k' into '$v->{pkg}'\n"; 1531 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252 1532
1253 unless (eval $v->{source}) { 1533 my $active = eval $v->{source};
1534
1535 if (length $@) {
1254 my $msg = $@ ? "$v->{path}: $@\n" 1536 error "$v->{path}: $@\n";
1255 : "$v->{base}: extension inactive.\n";
1256 1537
1538 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257 if (exists $v->{meta}{mandatory}) { 1539 if exists $v->{meta}{mandatory};
1258 warn $msg; 1540
1259 warn "mandatory extension failed to load, exiting.\n"; 1541 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260 exit 1; 1542 delete $todo{$k};
1261 } 1543 } else {
1262 1544 $done{$k} = delete $todo{$k};
1263 warn $msg; 1545 push @EXTS, $v->{pkg};
1546 $progress = 1;
1547
1548 info "$v->{base}: extension inactive.\n"
1549 unless $active;
1264 } 1550 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
1269 } 1551 }
1270 1552
1271 skip: 1553 unless ($progress) {
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1554 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273 unless $progress; 1555
1556 while (my ($k, $v) = each %todo) {
1557 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1558 if exists $v->{meta}{mandatory};
1559 }
1560
1561 last;
1562 }
1274 } 1563 }
1275 }; 1564 };
1276} 1565}
1277 1566
1278############################################################################# 1567#############################################################################
1279 1568
1280=back 1569=back
1281 1570
1282=head2 CORE EXTENSIONS 1571=head2 CORE EXTENSIONS
1283 1572
1284Functions and methods that extend core crossfire objects. 1573Functions and methods that extend core deliantra objects.
1285 1574
1286=cut 1575=cut
1287 1576
1288package cf::player; 1577package cf::player;
1289 1578
1290use Coro::AIO; 1579use Coro::AIO;
1291 1580
1292=head3 cf::player 1581=head3 cf::player
1293 1582
1294=over 4 1583=over 4
1584
1585=item cf::player::num_playing
1586
1587Returns the official number of playing players, as per the Crossfire metaserver rules.
1588
1589=cut
1590
1591sub num_playing {
1592 scalar grep
1593 $_->ob->map
1594 && !$_->hidden
1595 && !$_->ob->flag (cf::FLAG_WIZ),
1596 cf::player::list
1597}
1295 1598
1296=item cf::player::find $login 1599=item cf::player::find $login
1297 1600
1298Returns the given player object, loading it if necessary (might block). 1601Returns the given player object, loading it if necessary (might block).
1299 1602
1318 1621
1319sub exists($) { 1622sub exists($) {
1320 my ($login) = @_; 1623 my ($login) = @_;
1321 1624
1322 $cf::PLAYER{$login} 1625 $cf::PLAYER{$login}
1323 or cf::sync_job { !aio_stat path $login } 1626 or !aio_stat path $login
1324} 1627}
1325 1628
1326sub find($) { 1629sub find($) {
1327 return $cf::PLAYER{$_[0]} || do { 1630 return $cf::PLAYER{$_[0]} || do {
1328 my $login = $_[0]; 1631 my $login = $_[0];
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1638 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1639 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1640 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl"; 1641 aio_unlink +(playerdir $login) . "/$login.pl";
1339 1642
1340 my $pl = load_pl path $login 1643 my $f = new_from_file cf::object::thawer path $login
1341 or return; 1644 or return;
1645
1646 my $pl = cf::player::load_pl $f
1647 or return;
1648
1649 local $cf::PLAYER_LOADING{$login} = $pl;
1650 $f->resolve_delayed_derefs;
1342 $cf::PLAYER{$login} = $pl 1651 $cf::PLAYER{$login} = $pl
1343 } 1652 }
1344 } 1653 }
1345} 1654}
1655
1656cf::player->attach (
1657 on_load => sub {
1658 my ($pl, $path) = @_;
1659
1660 # restore slots saved in save, below
1661 my $slots = delete $pl->{_slots};
1662
1663 $pl->ob->current_weapon ($slots->[0]);
1664 $pl->combat_ob ($slots->[1]);
1665 $pl->ranged_ob ($slots->[2]);
1666 },
1667);
1346 1668
1347sub save($) { 1669sub save($) {
1348 my ($pl) = @_; 1670 my ($pl) = @_;
1349 1671
1350 return if $pl->{deny_save}; 1672 return if $pl->{deny_save};
1355 return if $pl->{deny_save}; 1677 return if $pl->{deny_save};
1356 1678
1357 aio_mkdir playerdir $pl, 0770; 1679 aio_mkdir playerdir $pl, 0770;
1358 $pl->{last_save} = $cf::RUNTIME; 1680 $pl->{last_save} = $cf::RUNTIME;
1359 1681
1682 cf::get_slot 0.01;
1683
1684 # save slots, to be restored later
1685 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1686
1360 $pl->save_pl ($path); 1687 $pl->save_pl ($path);
1361 Coro::cede; 1688 cf::cede_to_tick;
1362} 1689}
1363 1690
1364sub new($) { 1691sub new($) {
1365 my ($login) = @_; 1692 my ($login) = @_;
1366 1693
1372 $cf::PLAYER{$login} = $self; 1699 $cf::PLAYER{$login} = $self;
1373 1700
1374 $self 1701 $self
1375} 1702}
1376 1703
1704=item $player->send_msg ($channel, $msg, $color, [extra...])
1705
1706=cut
1707
1708sub send_msg {
1709 my $ns = shift->ns
1710 or return;
1711 $ns->send_msg (@_);
1712}
1713
1377=item $pl->quit_character 1714=item $pl->quit_character
1378 1715
1379Nukes the player without looking back. If logged in, the connection will 1716Nukes the player without looking back. If logged in, the connection will
1380be destroyed. May block for a long time. 1717be destroyed. May block for a long time.
1381 1718
1385 my ($pl) = @_; 1722 my ($pl) = @_;
1386 1723
1387 my $name = $pl->ob->name; 1724 my $name = $pl->ob->name;
1388 1725
1389 $pl->{deny_save} = 1; 1726 $pl->{deny_save} = 1;
1390 $pl->password ("*"); # this should lock out the player until we nuked the dir 1727 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1391 1728
1392 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1729 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393 $pl->deactivate; 1730 $pl->deactivate;
1731
1732 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1733 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1734 ext::highscore::check ($pl->ob);
1735
1395 $pl->ns->destroy if $pl->ns; 1736 $pl->ns->destroy if $pl->ns;
1396 1737
1397 my $path = playerdir $pl; 1738 my $path = playerdir $pl;
1398 my $temp = "$path~$cf::RUNTIME~deleting~"; 1739 my $temp = "$path~$cf::RUNTIME~deleting~";
1399 aio_rename $path, $temp; 1740 aio_rename $path, $temp;
1434 or return []; 1775 or return [];
1435 1776
1436 my @logins; 1777 my @logins;
1437 1778
1438 for my $login (@$dirs) { 1779 for my $login (@$dirs) {
1780 my $path = path $login;
1781
1782 # a .pst is a dead give-away for a valid player
1783 # if no pst file found, open and chekc for blocked users
1784 if (aio_stat "$path.pst") {
1439 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1785 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440 aio_read $fh, 0, 512, my $buf, 0 or next; 1786 aio_read $fh, 0, 512, my $buf, 0 or next;
1441 $buf !~ /^password -------------$/m or next; # official not-valid tag 1787 $buf !~ /^password -------------$/m or next; # official not-valid tag
1788 }
1442 1789
1443 utf8::decode $login; 1790 utf8::decode $login;
1444 push @logins, $login; 1791 push @logins, $login;
1445 } 1792 }
1446 1793
1447 \@logins 1794 \@logins
1448} 1795}
1449 1796
1450=item $player->maps 1797=item $player->maps
1798
1799=item cf::player::maps $login
1451 1800
1452Returns an arrayref of map paths that are private for this 1801Returns an arrayref of map paths that are private for this
1453player. May block. 1802player. May block.
1454 1803
1455=cut 1804=cut
1473 } 1822 }
1474 1823
1475 \@paths 1824 \@paths
1476} 1825}
1477 1826
1478=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1827=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479 1828
1480Expand crossfire pod fragments into protocol xml. 1829Expand deliantra pod fragments into protocol xml.
1481
1482=cut
1483
1484sub expand_cfpod {
1485 ((my $self), (local $_)) = @_;
1486
1487 # escape & and <
1488 s/&/&amp;/g;
1489 s/(?<![BIUGH])</&lt;/g;
1490
1491 # this is buggy, it needs to properly take care of nested <'s
1492
1493 1 while
1494 # replace B<>, I<>, U<> etc.
1495 s/B<([^\>]*)>/<b>$1<\/b>/
1496 || s/I<([^\>]*)>/<i>$1<\/i>/
1497 || s/U<([^\>]*)>/<u>$1<\/u>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527 1830
1528=item $player->ext_reply ($msgid, @msg) 1831=item $player->ext_reply ($msgid, @msg)
1529 1832
1530Sends an ext reply to the player. 1833Sends an ext reply to the player.
1531 1834
1532=cut 1835=cut
1533 1836
1534sub ext_reply($$@) { 1837sub ext_reply($$@) {
1535 my ($self, $id, @msg) = @_; 1838 my ($self, $id, @msg) = @_;
1536 1839
1537 if ($self->ns->extcmd == 2) { 1840 $self->ns->ext_reply ($id, @msg)
1538 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539 } elsif ($self->ns->extcmd == 1) {
1540 #TODO: version 1, remove
1541 unshift @msg, msgtype => "reply", msgid => $id;
1542 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543 }
1544} 1841}
1545 1842
1546=item $player->ext_msg ($type, @msg) 1843=item $player->ext_msg ($type, @msg)
1547 1844
1548Sends an ext event to the client. 1845Sends an ext event to the client.
1569 1866
1570=cut 1867=cut
1571 1868
1572sub find_by_path($) { 1869sub find_by_path($) {
1573 my ($path) = @_; 1870 my ($path) = @_;
1871
1872 $path =~ s/^~[^\/]*//; # skip ~login
1574 1873
1575 my ($match, $specificity); 1874 my ($match, $specificity);
1576 1875
1577 for my $region (list) { 1876 for my $region (list) {
1578 if ($region->{match} && $path =~ $region->{match}) { 1877 if ($region->{match} && $path =~ $region->{match}) {
1604our $MAX_RESET = 3600; 1903our $MAX_RESET = 3600;
1605our $DEFAULT_RESET = 3000; 1904our $DEFAULT_RESET = 3000;
1606 1905
1607sub generate_random_map { 1906sub generate_random_map {
1608 my ($self, $rmp) = @_; 1907 my ($self, $rmp) = @_;
1609 # mit "rum" bekleckern, nicht 1908
1909 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1910
1610 $self->_create_random_map ( 1911 $self->_create_random_map ($rmp);
1611 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614 $rmp->{exit_on_final_map},
1615 $rmp->{xsize}, $rmp->{ysize},
1616 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621 (cf::region::find $rmp->{region}), $rmp->{custom}
1622 )
1623} 1912}
1624 1913
1625=item cf::map->register ($regex, $prio) 1914=item cf::map->register ($regex, $prio)
1626 1915
1627Register a handler for the map path matching the given regex at the 1916Register a handler for the map path matching the given regex at the
1632 1921
1633sub register { 1922sub register {
1634 my (undef, $regex, $prio) = @_; 1923 my (undef, $regex, $prio) = @_;
1635 my $pkg = caller; 1924 my $pkg = caller;
1636 1925
1637 no strict;
1638 push @{"$pkg\::ISA"}, __PACKAGE__; 1926 push @{"$pkg\::ISA"}, __PACKAGE__;
1639 1927
1640 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1928 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641} 1929}
1642 1930
1643# also paths starting with '/' 1931# also paths starting with '/'
1644$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1932$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645 1933
1646sub thawer_merge { 1934sub thawer_merge {
1647 my ($self, $merge) = @_; 1935 my ($self, $merge) = @_;
1648 1936
1649 # we have to keep some variables in memory intact 1937 # we have to keep some variables in memory intact
1654} 1942}
1655 1943
1656sub normalise { 1944sub normalise {
1657 my ($path, $base) = @_; 1945 my ($path, $base) = @_;
1658 1946
1659 $path = "$path"; # make sure its a string 1947 $path = "$path"; # make sure it's a string
1660 1948
1661 $path =~ s/\.map$//; 1949 $path =~ s/\.map$//;
1662 1950
1663 # map plan: 1951 # map plan:
1664 # 1952 #
1679 $base =~ s{[^/]+/?$}{}; 1967 $base =~ s{[^/]+/?$}{};
1680 $path = "$base/$path"; 1968 $path = "$base/$path";
1681 } 1969 }
1682 1970
1683 for ($path) { 1971 for ($path) {
1684 redo if s{//}{/};
1685 redo if s{/\.?/}{/}; 1972 redo if s{/\.?/}{/};
1686 redo if s{/[^/]+/\.\./}{/}; 1973 redo if s{/[^/]+/\.\./}{/};
1687 } 1974 }
1688 1975
1689 $path 1976 $path
1703 $self->init; # pass $1 etc. 1990 $self->init; # pass $1 etc.
1704 return $self; 1991 return $self;
1705 } 1992 }
1706 } 1993 }
1707 1994
1708 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1995 Carp::cluck "unable to resolve path '$path' (base '$base')";
1709 () 1996 ()
1710} 1997}
1711 1998
1999# may re-bless or do other evil things
1712sub init { 2000sub init {
1713 my ($self) = @_; 2001 my ($self) = @_;
1714 2002
1715 $self 2003 $self
1716} 2004}
1735 2023
1736# the temporary/swap location 2024# the temporary/swap location
1737sub save_path { 2025sub save_path {
1738 my ($self) = @_; 2026 my ($self) = @_;
1739 2027
1740 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2028 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741 "$TMPDIR/$path.map" 2029 "$TMPDIR/$path.map"
1742} 2030}
1743 2031
1744# the unique path, undef == no special unique path 2032# the unique path, undef == no special unique path
1745sub uniq_path { 2033sub uniq_path {
1746 my ($self) = @_; 2034 my ($self) = @_;
1747 2035
1748 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2036 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749 "$UNIQUEDIR/$path" 2037 "$UNIQUEDIR/$path"
1750}
1751
1752# and all this just because we cannot iterate over
1753# all maps in C++...
1754sub change_all_map_light {
1755 my ($change) = @_;
1756
1757 $_->change_map_light ($change)
1758 for grep $_->outdoor, values %cf::MAP;
1759} 2038}
1760 2039
1761sub decay_objects { 2040sub decay_objects {
1762 my ($self) = @_; 2041 my ($self) = @_;
1763 2042
1776 2055
1777sub load_header_from($) { 2056sub load_header_from($) {
1778 my ($self, $path) = @_; 2057 my ($self, $path) = @_;
1779 2058
1780 utf8::encode $path; 2059 utf8::encode $path;
1781 #aio_open $path, O_RDONLY, 0 2060 my $f = new_from_file cf::object::thawer $path
1782 # or return;
1783
1784 $self->_load_header ($path)
1785 or return; 2061 or return;
2062
2063 $self->_load_header ($f)
2064 or return;
2065
2066 local $MAP_LOADING{$self->{path}} = $self;
2067 $f->resolve_delayed_derefs;
1786 2068
1787 $self->{load_path} = $path; 2069 $self->{load_path} = $path;
1788 2070
1789 1 2071 1
1790} 2072}
1842 2124
1843sub find; 2125sub find;
1844sub find { 2126sub find {
1845 my ($path, $origin) = @_; 2127 my ($path, $origin) = @_;
1846 2128
2129 cf::cede_to_tick;
2130
1847 $path = normalise $path, $origin && $origin->path; 2131 $path = normalise $path, $origin && $origin->path;
1848 2132
2133 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849 cf::lock_wait "map_find:$path"; 2134 my $guard2 = cf::lock_acquire "map_find:$path";
1850 2135
1851 $cf::MAP{$path} || do { 2136 $cf::MAP{$path} || do {
1852 my $guard = cf::lock_acquire "map_find:$path";
1853 my $map = new_from_path cf::map $path 2137 my $map = new_from_path cf::map $path
1854 or return; 2138 or return;
1855 2139
1856 $map->{last_save} = $cf::RUNTIME; 2140 $map->{last_save} = $cf::RUNTIME;
1857 2141
1859 or return; 2143 or return;
1860 2144
1861 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2145 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862 # doing this can freeze the server in a sync job, obviously 2146 # doing this can freeze the server in a sync job, obviously
1863 #$cf::WAIT_FOR_TICK->wait; 2147 #$cf::WAIT_FOR_TICK->wait;
2148 undef $guard2;
2149 undef $guard1;
1864 $map->reset; 2150 $map->reset;
1865 undef $guard;
1866 return find $path; 2151 return find $path;
1867 } 2152 }
1868 2153
1869 $cf::MAP{$path} = $map 2154 $cf::MAP{$path} = $map
1870 } 2155 }
1871} 2156}
1872 2157
1873sub pre_load { } 2158sub pre_load { }
1874sub post_load { } 2159#sub post_load { } # XS
1875 2160
1876sub load { 2161sub load {
1877 my ($self) = @_; 2162 my ($self) = @_;
1878 2163
1879 local $self->{deny_reset} = 1; # loading can take a long time 2164 local $self->{deny_reset} = 1; # loading can take a long time
1880 2165
1881 my $path = $self->{path}; 2166 my $path = $self->{path};
1882 2167
1883 { 2168 {
1884 my $guard = cf::lock_acquire "map_load:$path"; 2169 my $guard = cf::lock_acquire "map_data:$path";
1885 2170
2171 return unless $self->valid;
1886 return if $self->in_memory != cf::MAP_SWAPPED; 2172 return unless $self->in_memory == cf::MAP_SWAPPED;
1887 2173
1888 $self->in_memory (cf::MAP_LOADING); 2174 $self->in_memory (cf::MAP_LOADING);
1889 2175
1890 $self->alloc; 2176 $self->alloc;
1891 2177
1892 $self->pre_load; 2178 $self->pre_load;
1893 Coro::cede; 2179 cf::cede_to_tick;
1894 2180
1895 $self->_load_objects ($self->{load_path}, 1) 2181 if (exists $self->{load_path}) {
2182 my $f = new_from_file cf::object::thawer $self->{load_path};
2183 $f->skip_block;
2184 $self->_load_objects ($f)
1896 or return; 2185 or return;
1897 2186
1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2187 $self->post_load_original
1899 if delete $self->{load_original}; 2188 if delete $self->{load_original};
1900 2189
1901 if (my $uniq = $self->uniq_path) { 2190 if (my $uniq = $self->uniq_path) {
1902 utf8::encode $uniq; 2191 utf8::encode $uniq;
1903 if (aio_open $uniq, O_RDONLY, 0) { 2192 unless (aio_stat $uniq) {
2193 if (my $f = new_from_file cf::object::thawer $uniq) {
1904 $self->clear_unique_items; 2194 $self->clear_unique_items;
1905 $self->_load_objects ($uniq, 0); 2195 $self->_load_objects ($f);
2196 $f->resolve_delayed_derefs;
2197 }
2198 }
1906 } 2199 }
1907 }
1908 2200
1909 Coro::cede; 2201 $f->resolve_delayed_derefs;
2202 }
2203
2204 cf::cede_to_tick;
1910 # now do the right thing for maps 2205 # now do the right thing for maps
1911 $self->link_multipart_objects; 2206 $self->link_multipart_objects;
1912 $self->difficulty ($self->estimate_difficulty) 2207 $self->difficulty ($self->estimate_difficulty)
1913 unless $self->difficulty; 2208 unless $self->difficulty;
1914 Coro::cede; 2209 cf::cede_to_tick;
1915 2210
1916 unless ($self->{deny_activate}) { 2211 unless ($self->{deny_activate}) {
1917 $self->decay_objects; 2212 $self->decay_objects;
1918 $self->fix_auto_apply; 2213 $self->fix_auto_apply;
1919 $self->update_buttons; 2214 $self->update_buttons;
1920 Coro::cede; 2215 cf::cede_to_tick;
1921 $self->set_darkness_map;
1922 Coro::cede;
1923 $self->activate; 2216 $self->activate;
1924 } 2217 }
1925 2218
2219 $self->{last_save} = $cf::RUNTIME;
2220 $self->last_access ($cf::RUNTIME);
2221
1926 $self->in_memory (cf::MAP_IN_MEMORY); 2222 $self->in_memory (cf::MAP_ACTIVE);
1927 } 2223 }
1928 2224
1929 $self->post_load; 2225 $self->post_load;
1930}
1931 2226
2227 1
2228}
2229
2230# customize the map for a given player, i.e.
2231# return the _real_ map. used by e.g. per-player
2232# maps to change the path to ~playername/mappath
1932sub customise_for { 2233sub customise_for {
1933 my ($self, $ob) = @_; 2234 my ($self, $ob) = @_;
1934 2235
1935 return find "~" . $ob->name . "/" . $self->{path} 2236 return find "~" . $ob->name . "/" . $self->{path}
1936 if $self->per_player; 2237 if $self->per_player;
1940 2241
1941 $self 2242 $self
1942} 2243}
1943 2244
1944# find and load all maps in the 3x3 area around a map 2245# find and load all maps in the 3x3 area around a map
1945sub load_diag { 2246sub load_neighbours {
1946 my ($map) = @_; 2247 my ($map) = @_;
1947 2248
1948 my @diag; # diagonal neighbours 2249 my @neigh; # diagonal neighbours
1949 2250
1950 for (0 .. 3) { 2251 for (0 .. 3) {
1951 my $neigh = $map->tile_path ($_) 2252 my $neigh = $map->tile_path ($_)
1952 or next; 2253 or next;
1953 $neigh = find $neigh, $map 2254 $neigh = find $neigh, $map
1954 or next; 2255 or next;
1955 $neigh->load; 2256 $neigh->load;
1956 2257
2258 # now find the diagonal neighbours
2259 push @neigh,
1957 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2260 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2261 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1959 } 2262 }
1960 2263
1961 for (@diag) { 2264 for (grep defined $_->[0], @neigh) {
2265 my ($path, $origin) = @$_;
1962 my $neigh = find @$_ 2266 my $neigh = find $path, $origin
1963 or next; 2267 or next;
1964 $neigh->load; 2268 $neigh->load;
1965 } 2269 }
1966} 2270}
1967 2271
1968sub find_sync { 2272sub find_sync {
1969 my ($path, $origin) = @_; 2273 my ($path, $origin) = @_;
1970 2274
1971 cf::sync_job { find $path, $origin } 2275 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2276 if $Coro::current == $Coro::main;
2277
2278 find $path, $origin
1972} 2279}
1973 2280
1974sub do_load_sync { 2281sub do_load_sync {
1975 my ($map) = @_; 2282 my ($map) = @_;
1976 2283
1977 cf::sync_job { $map->load }; 2284 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2285 if $Coro::current == $Coro::main;
2286
2287 $map->load;
1978} 2288}
1979 2289
1980our %MAP_PREFETCH; 2290our %MAP_PREFETCH;
1981our $MAP_PREFETCHER = undef; 2291our $MAP_PREFETCHER = undef;
1982 2292
1983sub find_async { 2293sub find_async {
1984 my ($path, $origin) = @_; 2294 my ($path, $origin, $load) = @_;
1985 2295
1986 $path = normalise $path, $origin && $origin->{path}; 2296 $path = normalise $path, $origin && $origin->{path};
1987 2297
1988 if (my $map = $cf::MAP{$path}) { 2298 if (my $map = $cf::MAP{$path}) {
1989 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2299 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990 } 2300 }
1991 2301
1992 undef $MAP_PREFETCH{$path}; 2302 $MAP_PREFETCH{$path} |= $load;
2303
1993 $MAP_PREFETCHER ||= cf::async { 2304 $MAP_PREFETCHER ||= cf::async {
2305 $Coro::current->{desc} = "map prefetcher";
2306
1994 while (%MAP_PREFETCH) { 2307 while (%MAP_PREFETCH) {
1995 for my $path (keys %MAP_PREFETCH) { 2308 while (my ($k, $v) = each %MAP_PREFETCH) {
1996 if (my $map = find $path) { 2309 if (my $map = find $k) {
1997 $map->load; 2310 $map->load if $v;
1998 } 2311 }
1999 2312
2000 delete $MAP_PREFETCH{$path}; 2313 delete $MAP_PREFETCH{$k};
2001 } 2314 }
2002 } 2315 }
2003 undef $MAP_PREFETCHER; 2316 undef $MAP_PREFETCHER;
2004 }; 2317 };
2005 $MAP_PREFETCHER->prio (6); 2318 $MAP_PREFETCHER->prio (6);
2006 2319
2007 () 2320 ()
2008} 2321}
2009 2322
2323# common code, used by both ->save and ->swapout
2010sub save { 2324sub _save {
2011 my ($self) = @_; 2325 my ($self) = @_;
2012
2013 my $lock = cf::lock_acquire "map_data:" . $self->path;
2014 2326
2015 $self->{last_save} = $cf::RUNTIME; 2327 $self->{last_save} = $cf::RUNTIME;
2016 2328
2017 return unless $self->dirty; 2329 return unless $self->dirty;
2018 2330
2024 return if $self->{deny_save}; 2336 return if $self->{deny_save};
2025 2337
2026 local $self->{last_access} = $self->last_access;#d# 2338 local $self->{last_access} = $self->last_access;#d#
2027 2339
2028 cf::async { 2340 cf::async {
2341 $Coro::current->{desc} = "map player save";
2029 $_->contr->save for $self->players; 2342 $_->contr->save for $self->players;
2030 }; 2343 };
2344
2345 cf::get_slot 0.02;
2031 2346
2032 if ($uniq) { 2347 if ($uniq) {
2033 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2348 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2349 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2035 } else { 2350 } else {
2036 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2351 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037 } 2352 }
2038} 2353}
2039 2354
2355sub save {
2356 my ($self) = @_;
2357
2358 my $lock = cf::lock_acquire "map_data:$self->{path}";
2359
2360 $self->_save;
2361}
2362
2040sub swap_out { 2363sub swap_out {
2041 my ($self) = @_; 2364 my ($self) = @_;
2042 2365
2043 # save first because save cedes
2044 $self->save;
2045
2046 my $lock = cf::lock_acquire "map_data:" . $self->path; 2366 my $lock = cf::lock_acquire "map_data:$self->{path}";
2047 2367
2368 return if $self->in_memory != cf::MAP_ACTIVE;
2369 return if $self->{deny_save};
2048 return if $self->players; 2370 return if $self->players;
2049 return if $self->in_memory != cf::MAP_IN_MEMORY;
2050 return if $self->{deny_save};
2051 2371
2372 # first deactivate the map and "unlink" it from the core
2373 $self->deactivate;
2374 $_->clear_links_to ($self) for values %cf::MAP;
2375 $self->in_memory (cf::MAP_SWAPPED);
2376
2377 # then atomically save
2378 $self->_save;
2379
2380 # then free the map
2052 $self->clear; 2381 $self->clear;
2053 $self->in_memory (cf::MAP_SWAPPED);
2054} 2382}
2055 2383
2056sub reset_at { 2384sub reset_at {
2057 my ($self) = @_; 2385 my ($self) = @_;
2058 2386
2076 2404
2077 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2405 my $lock = cf::lock_acquire "map_data:$self->{path}";
2078 2406
2079 return if $self->players; 2407 return if $self->players;
2080 2408
2081 warn "resetting map ", $self->path; 2409 cf::trace "resetting map ", $self->path, "\n";
2082 2410
2083 $self->in_memory (cf::MAP_SWAPPED); 2411 $self->in_memory (cf::MAP_SWAPPED);
2084 2412
2085 # need to save uniques path 2413 # need to save uniques path
2086 unless ($self->{deny_save}) { 2414 unless ($self->{deny_save}) {
2090 if $uniq; 2418 if $uniq;
2091 } 2419 }
2092 2420
2093 delete $cf::MAP{$self->path}; 2421 delete $cf::MAP{$self->path};
2094 2422
2423 $self->deactivate;
2424 $_->clear_links_to ($self) for values %cf::MAP;
2095 $self->clear; 2425 $self->clear;
2096
2097 $_->clear_links_to ($self) for values %cf::MAP;
2098 2426
2099 $self->unlink_save; 2427 $self->unlink_save;
2100 $self->destroy; 2428 $self->destroy;
2101} 2429}
2102 2430
2103my $nuke_counter = "aaaa"; 2431my $nuke_counter = "aaaa";
2104 2432
2105sub nuke { 2433sub nuke {
2106 my ($self) = @_; 2434 my ($self) = @_;
2107 2435
2436 {
2437 my $lock = cf::lock_acquire "map_data:$self->{path}";
2438
2108 delete $cf::MAP{$self->path}; 2439 delete $cf::MAP{$self->path};
2109 2440
2110 $self->unlink_save; 2441 $self->unlink_save;
2111 2442
2112 bless $self, "cf::map"; 2443 bless $self, "cf::map::wrap";
2113 delete $self->{deny_reset}; 2444 delete $self->{deny_reset};
2114 $self->{deny_save} = 1; 2445 $self->{deny_save} = 1;
2115 $self->reset_timeout (1); 2446 $self->reset_timeout (1);
2116 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2447 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117 2448
2118 $cf::MAP{$self->path} = $self; 2449 $cf::MAP{$self->path} = $self;
2450 }
2119 2451
2120 $self->reset; # polite request, might not happen 2452 $self->reset; # polite request, might not happen
2121} 2453}
2122 2454
2123=item $maps = cf::map::tmp_maps 2455=item $maps = cf::map::tmp_maps
2165 2497
2166sub unique_maps() { 2498sub unique_maps() {
2167 [ 2499 [
2168 map { 2500 map {
2169 utf8::decode $_; 2501 utf8::decode $_;
2170 /\.map$/ 2502 s/\.map$//; # TODO future compatibility hack
2503 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2504 ? ()
2171 ? normalise $_ 2505 : normalise $_
2172 : ()
2173 } @{ aio_readdir $UNIQUEDIR or [] } 2506 } @{ aio_readdir $UNIQUEDIR or [] }
2174 ] 2507 ]
2175} 2508}
2176 2509
2177package cf; 2510=item cf::map::static_maps
2511
2512Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2513file in the shared directory excluding F</styles> and F</editor>). May
2514block.
2515
2516=cut
2517
2518sub static_maps() {
2519 my @dirs = "";
2520 my @maps;
2521
2522 while (@dirs) {
2523 my $dir = shift @dirs;
2524
2525 next if $dir eq "/styles" || $dir eq "/editor";
2526
2527 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2528 or return;
2529
2530 for (@$files) {
2531 s/\.map$// or next;
2532 utf8::decode $_;
2533 push @maps, "$dir/$_";
2534 }
2535
2536 push @dirs, map "$dir/$_", @$dirs;
2537 }
2538
2539 \@maps
2540}
2178 2541
2179=back 2542=back
2180 2543
2181=head3 cf::object 2544=head3 cf::object
2182 2545
2186 2549
2187=over 4 2550=over 4
2188 2551
2189=item $ob->inv_recursive 2552=item $ob->inv_recursive
2190 2553
2191Returns the inventory of the object _and_ their inventories, recursively. 2554Returns the inventory of the object I<and> their inventories, recursively,
2555but I<not> the object itself.
2192 2556
2193=cut 2557=cut
2194 2558
2195sub inv_recursive_; 2559sub inv_recursive_;
2196sub inv_recursive_ { 2560sub inv_recursive_ {
2199 2563
2200sub inv_recursive { 2564sub inv_recursive {
2201 inv_recursive_ inv $_[0] 2565 inv_recursive_ inv $_[0]
2202} 2566}
2203 2567
2568=item $ref = $ob->ref
2569
2570Creates and returns a persistent reference to an object that can be stored as a string.
2571
2572=item $ob = cf::object::deref ($refstring)
2573
2574returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2575even if the object actually exists. May block.
2576
2577=cut
2578
2579sub deref {
2580 my ($ref) = @_;
2581
2582 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2583 my ($uuid, $name) = ($1, $2);
2584 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2585 or return;
2586 $pl->ob->uuid eq $uuid
2587 or return;
2588
2589 $pl->ob
2590 } else {
2591 warn "$ref: cannot resolve object reference\n";
2592 undef
2593 }
2594}
2595
2204package cf; 2596package cf;
2205 2597
2206=back 2598=back
2207 2599
2208=head3 cf::object::player 2600=head3 cf::object::player
2214Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2606Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215can be C<undef>. Does the right thing when the player is currently in a 2607can be C<undef>. Does the right thing when the player is currently in a
2216dialogue with the given NPC character. 2608dialogue with the given NPC character.
2217 2609
2218=cut 2610=cut
2611
2612our $SAY_CHANNEL = {
2613 id => "say",
2614 title => "Map",
2615 reply => "say ",
2616 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2617};
2618
2619our $CHAT_CHANNEL = {
2620 id => "chat",
2621 title => "Chat",
2622 reply => "chat ",
2623 tooltip => "Player chat and shouts, global to the server.",
2624};
2219 2625
2220# rough implementation of a future "reply" method that works 2626# rough implementation of a future "reply" method that works
2221# with dialog boxes. 2627# with dialog boxes.
2222#TODO: the first argument must go, split into a $npc->reply_to ( method 2628#TODO: the first argument must go, split into a $npc->reply_to ( method
2223sub cf::object::player::reply($$$;$) { 2629sub cf::object::player::reply($$$;$) {
2235 my $dialog = $pl->{npc_dialog}; 2641 my $dialog = $pl->{npc_dialog};
2236 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2642 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237 2643
2238 } else { 2644 } else {
2239 $msg = $npc->name . " says: $msg" if $npc; 2645 $msg = $npc->name . " says: $msg" if $npc;
2240 $self->message ($msg, $flags); 2646 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241 } 2647 }
2242 } 2648 }
2649}
2650
2651=item $object->send_msg ($channel, $msg, $color, [extra...])
2652
2653=cut
2654
2655sub cf::object::send_msg {
2656 my $pl = shift->contr
2657 or return;
2658 $pl->send_msg (@_);
2243} 2659}
2244 2660
2245=item $player_object->may ("access") 2661=item $player_object->may ("access")
2246 2662
2247Returns wether the given player is authorized to access resource "access" 2663Returns wether the given player is authorized to access resource "access"
2260 2676
2261=item $player_object->enter_link 2677=item $player_object->enter_link
2262 2678
2263Freezes the player and moves him/her to a special map (C<{link}>). 2679Freezes the player and moves him/her to a special map (C<{link}>).
2264 2680
2265The player should be reasonably safe there for short amounts of time. You 2681The player should be reasonably safe there for short amounts of time (e.g.
2266I<MUST> call C<leave_link> as soon as possible, though. 2682for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2683though, as the player cannot control the character while it is on the link
2684map.
2267 2685
2268Will never block. 2686Will never block.
2269 2687
2270=item $player_object->leave_link ($map, $x, $y) 2688=item $player_object->leave_link ($map, $x, $y)
2271 2689
2291sub cf::object::player::enter_link { 2709sub cf::object::player::enter_link {
2292 my ($self) = @_; 2710 my ($self) = @_;
2293 2711
2294 $self->deactivate_recursive; 2712 $self->deactivate_recursive;
2295 2713
2714 ++$self->{_link_recursion};
2715
2296 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2716 return if UNIVERSAL::isa $self->map, "ext::map_link";
2297 2717
2298 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2718 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299 if $self->map && $self->map->{path} ne "{link}"; 2719 if $self->map && $self->map->{path} ne "{link}";
2300 2720
2301 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2721 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2302} 2722}
2303 2723
2304sub cf::object::player::leave_link { 2724sub cf::object::player::leave_link {
2305 my ($self, $map, $x, $y) = @_; 2725 my ($self, $map, $x, $y) = @_;
2306 2726
2323 ($x, $y) = (-1, -1) 2743 ($x, $y) = (-1, -1)
2324 unless (defined $x) && (defined $y); 2744 unless (defined $x) && (defined $y);
2325 2745
2326 # use -1 or undef as default coordinates, not 0, 0 2746 # use -1 or undef as default coordinates, not 0, 0
2327 ($x, $y) = ($map->enter_x, $map->enter_y) 2747 ($x, $y) = ($map->enter_x, $map->enter_y)
2328 if $x <=0 && $y <= 0; 2748 if $x <= 0 && $y <= 0;
2329 2749
2330 $map->load; 2750 $map->load;
2331 $map->load_diag; 2751 $map->load_neighbours;
2332 2752
2333 return unless $self->contr->active; 2753 return unless $self->contr->active;
2334 $self->activate_recursive;
2335 2754
2336 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2755 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337 $self->enter_map ($map, $x, $y); 2756 if ($self->enter_map ($map, $x, $y)) {
2338} 2757 # entering was successful
2758 delete $self->{_link_recursion};
2759 # only activate afterwards, to support waiting in hooks
2760 $self->activate_recursive;
2761 }
2339 2762
2763}
2764
2340=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2765=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341 2766
2342Moves the player to the given map-path and coordinates by first freezing 2767Moves the player to the given map-path and coordinates by first freezing
2343her, loading and preparing them map, calling the provided $check callback 2768her, loading and preparing them map, calling the provided $check callback
2344that has to return the map if sucecssful, and then unfreezes the player on 2769that has to return the map if sucecssful, and then unfreezes the player on
2345the new (success) or old (failed) map position. In either case, $done will 2770the new (success) or old (failed) map position. In either case, $done will
2346be called at the end of this process. 2771be called at the end of this process.
2347 2772
2773Note that $check will be called with a potentially non-loaded map, so if
2774it needs a loaded map it has to call C<< ->load >>.
2775
2348=cut 2776=cut
2349 2777
2350our $GOTOGEN; 2778our $GOTOGEN;
2351 2779
2352sub cf::object::player::goto { 2780sub cf::object::player::goto {
2353 my ($self, $path, $x, $y, $check, $done) = @_; 2781 my ($self, $path, $x, $y, $check, $done) = @_;
2354 2782
2783 if ($self->{_link_recursion} >= $MAX_LINKS) {
2784 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2785 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2786 ($path, $x, $y) = @$EMERGENCY_POSITION;
2787 }
2788
2355 # do generation counting so two concurrent goto's will be executed in-order 2789 # do generation counting so two concurrent goto's will be executed in-order
2356 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2790 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357 2791
2358 $self->enter_link; 2792 $self->enter_link;
2359 2793
2360 (async { 2794 (async {
2795 $Coro::current->{desc} = "player::goto $path $x $y";
2796
2797 # *tag paths override both path and x|y
2798 if ($path =~ /^\*(.*)$/) {
2799 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2800 my $ob = $obs[rand @obs];
2801
2802 # see if we actually can go there
2803 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2804 $ob = $obs[rand @obs];
2805 } else {
2806 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2807 }
2808 # else put us there anyways for now #d#
2809
2810 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2811 } else {
2812 ($path, $x, $y) = (undef, undef, undef);
2813 }
2814 }
2815
2361 my $map = eval { 2816 my $map = eval {
2362 my $map = cf::map::find $path; 2817 my $map = defined $path ? cf::map::find $path : undef;
2363 2818
2364 if ($map) { 2819 if ($map) {
2365 $map = $map->customise_for ($self); 2820 $map = $map->customise_for ($self);
2366 $map = $check->($map) if $check && $map; 2821 $map = $check->($map, $x, $y, $self) if $check && $map;
2367 } else { 2822 } else {
2368 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2823 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369 } 2824 }
2370 2825
2371 $map 2826 $map
2372 }; 2827 };
2373 2828
2379 if ($gen == $self->{_goto_generation}) { 2834 if ($gen == $self->{_goto_generation}) {
2380 delete $self->{_goto_generation}; 2835 delete $self->{_goto_generation};
2381 $self->leave_link ($map, $x, $y); 2836 $self->leave_link ($map, $x, $y);
2382 } 2837 }
2383 2838
2384 $done->() if $done; 2839 $done->($self) if $done;
2385 })->prio (1); 2840 })->prio (1);
2386} 2841}
2387 2842
2388=item $player_object->enter_exit ($exit_object) 2843=item $player_object->enter_exit ($exit_object)
2389 2844
2409} 2864}
2410 2865
2411sub prepare_random_map { 2866sub prepare_random_map {
2412 my ($exit) = @_; 2867 my ($exit) = @_;
2413 2868
2414 my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416 # all this does is basically replace the /! path by 2869 # all this does is basically replace the /! path by
2417 # a new random map path (?random/...) with a seed 2870 # a new random map path (?random/...) with a seed
2418 # that depends on the exit object 2871 # that depends on the exit object
2419 2872
2420 my $rmp = parse_random_map_params $exit->msg; 2873 my $rmp = parse_random_map_params $exit->msg;
2422 if ($exit->map) { 2875 if ($exit->map) {
2423 $rmp->{region} = $exit->region->name; 2876 $rmp->{region} = $exit->region->name;
2424 $rmp->{origin_map} = $exit->map->path; 2877 $rmp->{origin_map} = $exit->map->path;
2425 $rmp->{origin_x} = $exit->x; 2878 $rmp->{origin_x} = $exit->x;
2426 $rmp->{origin_y} = $exit->y; 2879 $rmp->{origin_y} = $exit->y;
2880
2881 $exit->map->touch;
2427 } 2882 }
2428 2883
2429 $rmp->{random_seed} ||= $exit->random_seed; 2884 $rmp->{random_seed} ||= $exit->random_seed;
2430 2885
2431 my $data = cf::to_json $rmp; 2886 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432 my $md5 = Digest::MD5::md5_hex $data; 2887 my $md5 = Digest::MD5::md5_hex $data;
2433 my $meta = "$RANDOMDIR/$md5.meta"; 2888 my $meta = "$RANDOMDIR/$md5.meta";
2434 2889
2435 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2890 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436 aio_write $fh, 0, (length $data), $data, 0; 2891 aio_write $fh, 0, (length $data), $data, 0;
2437 undef $fh; 2892 undef $fh;
2438 aio_rename "$meta~", $meta; 2893 aio_rename "$meta~", $meta;
2439 2894
2895 my $slaying = "?random/$md5";
2896
2897 if ($exit->valid) {
2440 $exit->slaying ("?random/$md5"); 2898 $exit->slaying ("?random/$md5");
2441 $exit->msg (undef); 2899 $exit->msg (undef);
2900 }
2442 } 2901 }
2443} 2902}
2444 2903
2445sub cf::object::player::enter_exit { 2904sub cf::object::player::enter_exit {
2446 my ($self, $exit) = @_; 2905 my ($self, $exit) = @_;
2447 2906
2448 return unless $self->type == cf::PLAYER; 2907 return unless $self->type == cf::PLAYER;
2449 2908
2450 if ($exit->slaying eq "/!") {
2451 #TODO: this should de-fi-ni-te-ly not be a sync-job
2452 # the problem is that $exit might not survive long enough
2453 # so it needs to be done right now, right here
2454 cf::sync_job { prepare_random_map $exit };
2455 }
2456
2457 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458 my $hp = $exit->stats->hp;
2459 my $sp = $exit->stats->sp;
2460
2461 $self->enter_link; 2909 $self->enter_link;
2462 2910
2463 # if exit is damned, update players death & WoR home-position
2464 $self->contr->savebed ($slaying, $hp, $sp)
2465 if $exit->flag (FLAG_DAMNED);
2466
2467 (async { 2911 (async {
2468 $self->deactivate_recursive; # just to be sure 2912 $Coro::current->{desc} = "enter_exit";
2913
2469 unless (eval { 2914 unless (eval {
2915 $self->deactivate_recursive; # just to be sure
2916
2917 # random map handling
2918 {
2919 my $guard = cf::lock_acquire "exit_prepare:$exit";
2920
2921 prepare_random_map $exit
2922 if $exit->slaying eq "/!";
2923 }
2924
2925 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2926 my $x = $exit->stats->hp;
2927 my $y = $exit->stats->sp;
2928
2470 $self->goto ($slaying, $hp, $sp); 2929 $self->goto ($map, $x, $y);
2471 2930
2931 # if exit is damned, update players death & WoR home-position
2932 $self->contr->savebed ($map, $x, $y)
2933 if $exit->flag (cf::FLAG_DAMNED);
2934
2472 1; 2935 1
2473 }) { 2936 }) {
2474 $self->message ("Something went wrong deep within the crossfire server. " 2937 $self->message ("Something went wrong deep within the deliantra server. "
2475 . "I'll try to bring you back to the map you were before. " 2938 . "I'll try to bring you back to the map you were before. "
2476 . "Please report this to the dungeon master!", 2939 . "Please report this to the dungeon master!",
2477 cf::NDI_UNIQUE | cf::NDI_RED); 2940 cf::NDI_UNIQUE | cf::NDI_RED);
2478 2941
2479 warn "ERROR in enter_exit: $@"; 2942 error "ERROR in enter_exit: $@";
2480 $self->leave_link; 2943 $self->leave_link;
2481 } 2944 }
2482 })->prio (1); 2945 })->prio (1);
2483} 2946}
2484 2947
2496sub cf::client::send_drawinfo { 2959sub cf::client::send_drawinfo {
2497 my ($self, $text, $flags) = @_; 2960 my ($self, $text, $flags) = @_;
2498 2961
2499 utf8::encode $text; 2962 utf8::encode $text;
2500 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2963 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2964}
2965
2966=item $client->send_big_packet ($pkt)
2967
2968Like C<send_packet>, but tries to compress large packets, and fragments
2969them as required.
2970
2971=cut
2972
2973our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2974
2975sub cf::client::send_big_packet {
2976 my ($self, $pkt) = @_;
2977
2978 # try lzf for large packets
2979 $pkt = "lzf " . Compress::LZF::compress $pkt
2980 if 1024 <= length $pkt and $self->{can_lzf};
2981
2982 # split very large packets
2983 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2984 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2985 $pkt = "frag";
2986 }
2987
2988 $self->send_packet ($pkt);
2501} 2989}
2502 2990
2503=item $client->send_msg ($channel, $msg, $color, [extra...]) 2991=item $client->send_msg ($channel, $msg, $color, [extra...])
2504 2992
2505Send a drawinfo or msg packet to the client, formatting the msg for the 2993Send a drawinfo or msg packet to the client, formatting the msg for the
2507the message, with C<log> being the default. If C<$color> is negative, suppress 2995the message, with C<log> being the default. If C<$color> is negative, suppress
2508the message unless the client supports the msg packet. 2996the message unless the client supports the msg packet.
2509 2997
2510=cut 2998=cut
2511 2999
3000# non-persistent channels (usually the info channel)
3001our %CHANNEL = (
3002 "c/motd" => {
3003 id => "infobox",
3004 title => "MOTD",
3005 reply => undef,
3006 tooltip => "The message of the day",
3007 },
3008 "c/identify" => {
3009 id => "infobox",
3010 title => "Identify",
3011 reply => undef,
3012 tooltip => "Items recently identified",
3013 },
3014 "c/examine" => {
3015 id => "infobox",
3016 title => "Examine",
3017 reply => undef,
3018 tooltip => "Signs and other items you examined",
3019 },
3020 "c/shopinfo" => {
3021 id => "infobox",
3022 title => "Shop Info",
3023 reply => undef,
3024 tooltip => "What your bargaining skill tells you about the shop",
3025 },
3026 "c/book" => {
3027 id => "infobox",
3028 title => "Book",
3029 reply => undef,
3030 tooltip => "The contents of a note or book",
3031 },
3032 "c/lookat" => {
3033 id => "infobox",
3034 title => "Look",
3035 reply => undef,
3036 tooltip => "What you saw there",
3037 },
3038 "c/who" => {
3039 id => "infobox",
3040 title => "Players",
3041 reply => undef,
3042 tooltip => "Shows players who are currently online",
3043 },
3044 "c/body" => {
3045 id => "infobox",
3046 title => "Body Parts",
3047 reply => undef,
3048 tooltip => "Shows which body parts you posess and are available",
3049 },
3050 "c/statistics" => {
3051 id => "infobox",
3052 title => "Statistics",
3053 reply => undef,
3054 tooltip => "Shows your primary statistics",
3055 },
3056 "c/skills" => {
3057 id => "infobox",
3058 title => "Skills",
3059 reply => undef,
3060 tooltip => "Shows your experience per skill and item power",
3061 },
3062 "c/shopitems" => {
3063 id => "infobox",
3064 title => "Shop Items",
3065 reply => undef,
3066 tooltip => "Shows the items currently for sale in this shop",
3067 },
3068 "c/resistances" => {
3069 id => "infobox",
3070 title => "Resistances",
3071 reply => undef,
3072 tooltip => "Shows your resistances",
3073 },
3074 "c/pets" => {
3075 id => "infobox",
3076 title => "Pets",
3077 reply => undef,
3078 tooltip => "Shows information abotu your pets/a specific pet",
3079 },
3080 "c/perceiveself" => {
3081 id => "infobox",
3082 title => "Perceive Self",
3083 reply => undef,
3084 tooltip => "You gained detailed knowledge about yourself",
3085 },
3086 "c/uptime" => {
3087 id => "infobox",
3088 title => "Uptime",
3089 reply => undef,
3090 tooltip => "How long the server has been running since last restart",
3091 },
3092 "c/mapinfo" => {
3093 id => "infobox",
3094 title => "Map Info",
3095 reply => undef,
3096 tooltip => "Information related to the maps",
3097 },
3098 "c/party" => {
3099 id => "party",
3100 title => "Party",
3101 reply => "gsay ",
3102 tooltip => "Messages and chat related to your party",
3103 },
3104 "c/death" => {
3105 id => "death",
3106 title => "Death",
3107 reply => undef,
3108 tooltip => "Reason for and more info about your most recent death",
3109 },
3110 "c/say" => $SAY_CHANNEL,
3111 "c/chat" => $CHAT_CHANNEL,
3112);
3113
2512sub cf::client::send_msg { 3114sub cf::client::send_msg {
2513 my ($self, $channel, $msg, $color, @extra) = @_; 3115 my ($self, $channel, $msg, $color, @extra) = @_;
2514 3116
2515 $msg = $self->pl->expand_cfpod ($msg); 3117 $msg = $self->pl->expand_cfpod ($msg)
3118 unless $color & cf::NDI_VERBATIM;
2516 3119
2517 $color &= ~cf::NDI_UNIQUE; # just in case... 3120 $color &= cf::NDI_CLIENT_MASK; # just in case...
2518 3121
3122 # check predefined channels, for the benefit of C
3123 if ($CHANNEL{$channel}) {
3124 $channel = $CHANNEL{$channel};
3125
3126 $self->ext_msg (channel_info => $channel);
3127 $channel = $channel->{id};
3128
2519 if (ref $channel) { 3129 } elsif (ref $channel) {
2520 # send meta info to client, if not yet sent 3130 # send meta info to client, if not yet sent
2521 unless (exists $self->{channel}{$channel->{id}}) { 3131 unless (exists $self->{channel}{$channel->{id}}) {
2522 $self->{channel}{$channel->{id}} = $channel; 3132 $self->{channel}{$channel->{id}} = $channel;
2523 $self->ext_msg (channel_info => $channel); 3133 $self->ext_msg (channel_info => $channel);
2524 } 3134 }
2526 $channel = $channel->{id}; 3136 $channel = $channel->{id};
2527 } 3137 }
2528 3138
2529 return unless @extra || length $msg; 3139 return unless @extra || length $msg;
2530 3140
2531 if ($self->can_msg) { 3141 # default colour, mask it out
2532 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra])); 3142 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533 } else { 3143 if $color & cf::NDI_DEF;
2534 # replace some tags by gcfclient-compatible ones
2535 for ($msg) {
2536 1 while
2537 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542 }
2543 3144
2544 if ($color >= 0) { 3145 my $pkt = "msg "
2545 if (0 && $msg =~ /\[/) { 3146 . $self->{json_coder}->encode (
2546 $self->send_packet ("drawextinfo $color 4 0 $msg") 3147 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547 } else { 3148 );
2548 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 3149
2549 $self->send_packet ("drawinfo $color $msg") 3150 $self->send_big_packet ($pkt);
2550 }
2551 }
2552 }
2553} 3151}
2554 3152
2555=item $client->ext_msg ($type, @msg) 3153=item $client->ext_msg ($type, @msg)
2556 3154
2557Sends an ext event to the client. 3155Sends an ext event to the client.
2559=cut 3157=cut
2560 3158
2561sub cf::client::ext_msg($$@) { 3159sub cf::client::ext_msg($$@) {
2562 my ($self, $type, @msg) = @_; 3160 my ($self, $type, @msg) = @_;
2563 3161
2564 my $extcmd = $self->extcmd;
2565
2566 if ($extcmd == 2) { 3162 if ($self->extcmd == 2) {
2567 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3163 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568 } elsif ($extcmd == 1) { # TODO: remove 3164 } elsif ($self->extcmd == 1) { # TODO: remove
2569 push @msg, msgtype => "event_$type"; 3165 push @msg, msgtype => "event_$type";
2570 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3166 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3167 }
3168}
3169
3170=item $client->ext_reply ($msgid, @msg)
3171
3172Sends an ext reply to the client.
3173
3174=cut
3175
3176sub cf::client::ext_reply($$@) {
3177 my ($self, $id, @msg) = @_;
3178
3179 if ($self->extcmd == 2) {
3180 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3181 } elsif ($self->extcmd == 1) {
3182 #TODO: version 1, remove
3183 unshift @msg, msgtype => "reply", msgid => $id;
3184 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571 } 3185 }
2572} 3186}
2573 3187
2574=item $success = $client->query ($flags, "text", \&cb) 3188=item $success = $client->query ($flags, "text", \&cb)
2575 3189
2636 my ($type, $reply, @payload) = 3250 my ($type, $reply, @payload) =
2637 "ARRAY" eq ref $msg 3251 "ARRAY" eq ref $msg
2638 ? @$msg 3252 ? @$msg
2639 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3253 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640 3254
3255 my @reply;
3256
2641 if (my $cb = $EXTICMD{$type}) { 3257 if (my $cb = $EXTICMD{$type}) {
2642 my @reply = $cb->($ns, @payload); 3258 @reply = $cb->($ns, @payload);
2643
2644 $ns->ext_reply ($reply, @reply)
2645 if $reply;
2646 } 3259 }
3260
3261 $ns->ext_reply ($reply, @reply)
3262 if $reply;
3263
2647 } else { 3264 } else {
2648 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3265 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649 } 3266 }
2650 3267
2651 cf::override; 3268 cf::override;
2652 }, 3269 },
2653); 3270);
2673 3290
2674 $coro 3291 $coro
2675} 3292}
2676 3293
2677cf::client->attach ( 3294cf::client->attach (
2678 on_destroy => sub { 3295 on_client_destroy => sub {
2679 my ($ns) = @_; 3296 my ($ns) = @_;
2680 3297
2681 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3298 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682 }, 3299 },
2683); 3300);
2698our $safe = new Safe "safe"; 3315our $safe = new Safe "safe";
2699our $safe_hole = new Safe::Hole; 3316our $safe_hole = new Safe::Hole;
2700 3317
2701$SIG{FPE} = 'IGNORE'; 3318$SIG{FPE} = 'IGNORE';
2702 3319
2703$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3320$safe->permit_only (Opcode::opset qw(
3321 :base_core :base_mem :base_orig :base_math :base_loop
3322 grepstart grepwhile mapstart mapwhile
3323 sort time
3324));
2704 3325
2705# here we export the classes and methods available to script code 3326# here we export the classes and methods available to script code
2706 3327
2707=pod 3328=pod
2708 3329
2709The following functions and methods are available within a safe environment: 3330The following functions and methods are available within a safe environment:
2710 3331
2711 cf::object 3332 cf::object
2712 contr pay_amount pay_player map x y force_find force_add 3333 contr pay_amount pay_player map x y force_find force_add destroy
2713 insert remove 3334 insert remove name archname title slaying race decrease split
3335 value
2714 3336
2715 cf::object::player 3337 cf::object::player
2716 player 3338 player
2717 3339
2718 cf::player 3340 cf::player
2723 3345
2724=cut 3346=cut
2725 3347
2726for ( 3348for (
2727 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3349 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728 insert remove)], 3350 insert remove inv nrof name archname title slaying race
3351 decrease split destroy change_exp value msg lore send_msg)],
2729 ["cf::object::player" => qw(player)], 3352 ["cf::object::player" => qw(player)],
2730 ["cf::player" => qw(peaceful)], 3353 ["cf::player" => qw(peaceful send_msg)],
2731 ["cf::map" => qw(trigger)], 3354 ["cf::map" => qw(trigger)],
2732) { 3355) {
2733 no strict 'refs';
2734 my ($pkg, @funs) = @$_; 3356 my ($pkg, @funs) = @$_;
2735 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3357 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736 for @funs; 3358 for @funs;
2737} 3359}
2738 3360
2753 3375
2754 my $qcode = $code; 3376 my $qcode = $code;
2755 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3377 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2756 $qcode =~ s/\n/\\n/g; 3378 $qcode =~ s/\n/\\n/g;
2757 3379
3380 %vars = (_dummy => 0) unless %vars;
3381
3382 my @res;
2758 local $_; 3383 local $_;
2759 local @safe::cf::_safe_eval_args = values %vars;
2760 3384
2761 my $eval = 3385 my $eval =
2762 "do {\n" 3386 "do {\n"
2763 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3387 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764 . "#line 0 \"{$qcode}\"\n" 3388 . "#line 0 \"{$qcode}\"\n"
2765 . $code 3389 . $code
2766 . "\n}" 3390 . "\n}"
2767 ; 3391 ;
2768 3392
3393 if ($CFG{safe_eval}) {
2769 sub_generation_inc; 3394 sub_generation_inc;
3395 local @safe::cf::_safe_eval_args = values %vars;
2770 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3396 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771 sub_generation_inc; 3397 sub_generation_inc;
3398 } else {
3399 local @cf::_safe_eval_args = values %vars;
3400 @res = wantarray ? eval eval : scalar eval $eval;
3401 }
2772 3402
2773 if ($@) { 3403 if ($@) {
2774 warn "$@"; 3404 warn "$@",
2775 warn "while executing safe code '$code'\n"; 3405 "while executing safe code '$code'\n",
2776 warn "with arguments " . (join " ", %vars) . "\n"; 3406 "with arguments " . (join " ", %vars) . "\n";
2777 } 3407 }
2778 3408
2779 wantarray ? @res : $res[0] 3409 wantarray ? @res : $res[0]
2780} 3410}
2781 3411
2795=cut 3425=cut
2796 3426
2797sub register_script_function { 3427sub register_script_function {
2798 my ($fun, $cb) = @_; 3428 my ($fun, $cb) = @_;
2799 3429
2800 no strict 'refs'; 3430 $fun = "safe::$fun" if $CFG{safe_eval};
2801 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3431 *$fun = $safe_hole->wrap ($cb);
2802} 3432}
2803 3433
2804=back 3434=back
2805 3435
2806=cut 3436=cut
2809# the server's init and main functions 3439# the server's init and main functions
2810 3440
2811sub load_facedata($) { 3441sub load_facedata($) {
2812 my ($path) = @_; 3442 my ($path) = @_;
2813 3443
3444 # HACK to clear player env face cache, we need some signal framework
3445 # for this (global event?)
3446 %ext::player_env::MUSIC_FACE_CACHE = ();
3447
3448 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3449
2814 warn "loading facedata from $path\n"; 3450 trace "loading facedata from $path\n";
2815 3451
2816 my $facedata; 3452 my $facedata = decode_storable load_file $path;
2817 0 < aio_load $path, $facedata
2818 or die "$path: $!";
2819
2820 $facedata = Coro::Storable::thaw $facedata;
2821 3453
2822 $facedata->{version} == 2 3454 $facedata->{version} == 2
2823 or cf::cleanup "$path: version mismatch, cannot proceed."; 3455 or cf::cleanup "$path: version mismatch, cannot proceed.";
2824 3456
3457 # patch in the exptable
3458 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3459 $facedata->{resource}{"res/exp_table"} = {
3460 type => FT_RSRC,
3461 data => $exp_table,
3462 hash => (Digest::MD5::md5 $exp_table),
3463 };
3464 cf::cede_to_tick;
3465
2825 { 3466 {
2826 my $faces = $facedata->{faceinfo}; 3467 my $faces = $facedata->{faceinfo};
2827 3468
2828 while (my ($face, $info) = each %$faces) { 3469 while (my ($face, $info) = each %$faces) {
2829 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3470 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3471
2830 cf::face::set_visibility $idx, $info->{visibility}; 3472 cf::face::set_visibility $idx, $info->{visibility};
2831 cf::face::set_magicmap $idx, $info->{magicmap}; 3473 cf::face::set_magicmap $idx, $info->{magicmap};
2832 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3474 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3475 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3476 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2834 3477
2835 cf::cede_to_tick; 3478 cf::cede_to_tick;
2836 } 3479 }
2837 3480
2838 while (my ($face, $info) = each %$faces) { 3481 while (my ($face, $info) = each %$faces) {
2839 next unless $info->{smooth}; 3482 next unless $info->{smooth};
3483
2840 my $idx = cf::face::find $face 3484 my $idx = cf::face::find $face
2841 or next; 3485 or next;
3486
2842 if (my $smooth = cf::face::find $info->{smooth}) { 3487 if (my $smooth = cf::face::find $info->{smooth}) {
2843 cf::face::set_smooth $idx, $smooth; 3488 cf::face::set_smooth $idx, $smooth;
2844 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3489 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845 } else { 3490 } else {
2846 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3491 error "smooth face '$info->{smooth}' not found for face '$face'";
2847 } 3492 }
2848 3493
2849 cf::cede_to_tick; 3494 cf::cede_to_tick;
2850 } 3495 }
2851 } 3496 }
2860 3505
2861 cf::anim::invalidate_all; # d'oh 3506 cf::anim::invalidate_all; # d'oh
2862 } 3507 }
2863 3508
2864 { 3509 {
2865 # TODO: for gcfclient pleasure, we should give resources
2866 # that gcfclient doesn't grok a >10000 face index.
2867 my $res = $facedata->{resource}; 3510 my $res = $facedata->{resource};
2868 my $enc = JSON::XS->new->utf8->canonical;
2869
2870 my $soundconf = delete $res->{"res/sound.conf"};
2871 3511
2872 while (my ($name, $info) = each %$res) { 3512 while (my ($name, $info) = each %$res) {
2873 my $meta = $enc->encode ({ 3513 if (defined $info->{type}) {
2874 name => $name,
2875 %{ $info->{meta} || {} },
2876 });
2877
2878 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3514 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879 3515
2880 if ($info->{type} & 1) {
2881 # prepend meta info
2882
2883 my $data = pack "(w/a*)*", $meta, $info->{data};
2884 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886 cf::face::set_data $idx, 0, $data, $chk; 3516 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3517 cf::face::set_type $idx, $info->{type};
2887 } else { 3518 } else {
2888 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3519 $RESOURCE{$name} = $info; # unused
2889 } 3520 }
2890 3521
2891 cf::face::set_type $idx, $info->{type};
2892
2893 cf::cede_to_tick; 3522 cf::cede_to_tick;
2894 } 3523 }
2895
2896 if ($soundconf) {
2897 $soundconf = $enc->decode (delete $soundconf->{data});
2898
2899 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900 my $sound = $soundconf->{compat}[$_]
2901 or next;
2902
2903 my $face = cf::face::find "sound/$sound->[1]";
2904
2905 cf::sound::set $sound->[0] => $face;
2906 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2907 }
2908
2909 #TODO
2910 }
2911 } 3524 }
3525
3526 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2912 3527
2913 1 3528 1
2914} 3529}
2915 3530
2916register_exticmd fx_want => sub { 3531register_exticmd fx_want => sub {
2919 while (my ($k, $v) = each %$want) { 3534 while (my ($k, $v) = each %$want) {
2920 $ns->fx_want ($k, $v); 3535 $ns->fx_want ($k, $v);
2921 } 3536 }
2922}; 3537};
2923 3538
3539sub load_resource_file($) {
3540 my $guard = lock_acquire "load_resource_file";
3541
3542 my $status = load_resource_file_ $_[0];
3543 get_slot 0.1, 100;
3544 cf::arch::commit_load;
3545
3546 $status
3547}
3548
2924sub reload_regions { 3549sub reload_regions {
3550 # HACK to clear player env face cache, we need some signal framework
3551 # for this (global event?)
3552 %ext::player_env::MUSIC_FACE_CACHE = ();
3553
2925 load_resource_file "$MAPDIR/regions" 3554 load_resource_file "$MAPDIR/regions"
2926 or die "unable to load regions file\n"; 3555 or die "unable to load regions file\n";
2927 3556
2928 for (cf::region::list) { 3557 for (cf::region::list) {
2929 $_->{match} = qr/$_->{match}/ 3558 $_->{match} = qr/$_->{match}/
2937} 3566}
2938 3567
2939sub reload_archetypes { 3568sub reload_archetypes {
2940 load_resource_file "$DATADIR/archetypes" 3569 load_resource_file "$DATADIR/archetypes"
2941 or die "unable to load archetypes\n"; 3570 or die "unable to load archetypes\n";
2942 #d# NEED to laod twice to resolve forward references
2943 # this really needs to be done in an extra post-pass
2944 # (which needs to be synchronous, so solve it differently)
2945 load_resource_file "$DATADIR/archetypes"
2946 or die "unable to load archetypes\n";
2947} 3571}
2948 3572
2949sub reload_treasures { 3573sub reload_treasures {
2950 load_resource_file "$DATADIR/treasures" 3574 load_resource_file "$DATADIR/treasures"
2951 or die "unable to load treasurelists\n"; 3575 or die "unable to load treasurelists\n";
2952} 3576}
2953 3577
3578sub reload_sound {
3579 trace "loading sound config from $DATADIR/sound\n";
3580
3581 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3582
3583 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3584 my $sound = $soundconf->{compat}[$_]
3585 or next;
3586
3587 my $face = cf::face::find "sound/$sound->[1]";
3588 cf::sound::set $sound->[0] => $face;
3589 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3590 }
3591
3592 while (my ($k, $v) = each %{$soundconf->{event}}) {
3593 my $face = cf::face::find "sound/$v";
3594 cf::sound::set $k => $face;
3595 }
3596}
3597
2954sub reload_resources { 3598sub reload_resources {
2955 warn "reloading resource files...\n"; 3599 trace "reloading resource files...\n";
2956 3600
3601 reload_exp_table;
3602 reload_materials;
3603 reload_facedata;
3604 reload_sound;
3605 reload_archetypes;
2957 reload_regions; 3606 reload_regions;
2958 reload_facedata;
2959 #reload_archetypes;#d#
2960 reload_archetypes;
2961 reload_treasures; 3607 reload_treasures;
2962 3608
2963 warn "finished reloading resource files\n"; 3609 trace "finished reloading resource files\n";
2964} 3610}
2965 3611
2966sub init { 3612sub reload_config {
2967 reload_resources; 3613 trace "reloading config file...\n";
2968}
2969 3614
2970sub cfg_load { 3615 my $config = load_file "$CONFDIR/config";
2971 open my $fh, "<:utf8", "$CONFDIR/config" 3616 utf8::decode $config;
2972 or return; 3617 *CFG = decode_yaml $config;
2973 3618
2974 local $/;
2975 *CFG = YAML::Syck::Load <$fh>;
2976
2977 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3619 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2978 3620
2979 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3621 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2980 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3622 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2981 3623
2982 if (exists $CFG{mlockall}) { 3624 if (exists $CFG{mlockall}) {
2986 }; 3628 };
2987 warn $@ if $@; 3629 warn $@ if $@;
2988 } 3630 }
2989} 3631}
2990 3632
3633sub pidfile() {
3634 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3635 or die "$PIDFILE: $!";
3636 flock $fh, &Fcntl::LOCK_EX
3637 or die "$PIDFILE: flock: $!";
3638 $fh
3639}
3640
3641# make sure only one server instance is running at any one time
3642sub atomic {
3643 my $fh = pidfile;
3644
3645 my $pid = <$fh>;
3646 kill 9, $pid if $pid > 0;
3647
3648 seek $fh, 0, 0;
3649 print $fh $$;
3650}
3651
3652sub main_loop {
3653 trace "EV::loop starting\n";
3654 if (1) {
3655 EV::loop;
3656 }
3657 trace "EV::loop returned\n";
3658 goto &main_loop unless $REALLY_UNLOOP;
3659}
3660
2991sub main { 3661sub main {
3662 cf::init_globals; # initialise logging
3663
3664 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3665 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3666 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3667 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3668
3669 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3670
2992 # we must not ever block the main coroutine 3671 # we must not ever block the main coroutine
2993 local $Coro::idle = sub { 3672 local $Coro::idle = sub {
2994 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3673 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2995 (async { 3674 (async {
2996 Event::one_event; 3675 $Coro::current->{desc} = "IDLE BUG HANDLER";
3676 EV::loop EV::LOOP_ONESHOT;
2997 })->prio (Coro::PRIO_MAX); 3677 })->prio (Coro::PRIO_MAX);
2998 }; 3678 };
2999 3679
3000 cfg_load; 3680 evthread_start IO::AIO::poll_fileno;
3681
3682 cf::sync_job {
3683 cf::incloader::init ();
3684
3685 cf::init_anim;
3686 cf::init_attackmess;
3687 cf::init_dynamic;
3688
3689 cf::load_settings;
3690
3691 reload_resources;
3692 reload_config;
3001 db_init; 3693 db_init;
3694
3695 cf::init_uuid;
3696 cf::init_signals;
3697 cf::init_skills;
3698
3699 cf::init_beforeplay;
3700
3701 atomic;
3702
3002 load_extensions; 3703 load_extensions;
3003 3704
3004 $TICK_WATCHER->start; 3705 utime time, time, $RUNTIMEFILE;
3005 Event::loop; 3706
3707 # no (long-running) fork's whatsoever before this point(!)
3708 use POSIX ();
3709 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3710
3711 cf::_post_init 0;
3712 };
3713
3714 cf::object::thawer::errors_are_fatal 0;
3715 info "parse errors in files are no longer fatal from this point on.\n";
3716
3717 my $free_main; $free_main = EV::idle sub {
3718 undef $free_main;
3719 undef &main; # free gobs of memory :)
3720 };
3721
3722 goto &main_loop;
3006} 3723}
3007 3724
3008############################################################################# 3725#############################################################################
3009# initialisation and cleanup 3726# initialisation and cleanup
3010 3727
3011# install some emergency cleanup handlers 3728# install some emergency cleanup handlers
3012BEGIN { 3729BEGIN {
3730 our %SIGWATCHER = ();
3013 for my $signal (qw(INT HUP TERM)) { 3731 for my $signal (qw(INT HUP TERM)) {
3014 Event->signal ( 3732 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3015 reentrant => 0,
3016 data => WF_AUTOCANCEL,
3017 signal => $signal,
3018 prio => 0,
3019 cb => sub {
3020 cf::cleanup "SIG$signal"; 3733 cf::cleanup "SIG$signal";
3021 },
3022 ); 3734 };
3023 } 3735 }
3024} 3736}
3025 3737
3026sub write_runtime { 3738sub write_runtime_sync {
3027 my $runtime = "$LOCALDIR/runtime"; 3739 my $t0 = AE::time;
3028 3740
3029 # first touch the runtime file to show we are still running: 3741 # first touch the runtime file to show we are still running:
3030 # the fsync below can take a very very long time. 3742 # the fsync below can take a very very long time.
3031 3743
3032 IO::AIO::aio_utime $runtime, undef, undef; 3744 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3033 3745
3034 my $guard = cf::lock_acquire "write_runtime"; 3746 my $guard = cf::lock_acquire "write_runtime";
3035 3747
3036 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3748 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3037 or return; 3749 or return;
3038 3750
3039 my $value = $cf::RUNTIME + 90 + 10; 3751 my $value = $cf::RUNTIME + 90 + 10;
3040 # 10 is the runtime save interval, for a monotonic clock 3752 # 10 is the runtime save interval, for a monotonic clock
3041 # 60 allows for the watchdog to kill the server. 3753 # 60 allows for the watchdog to kill the server.
3051 aio_utime $fh, undef, undef; 3763 aio_utime $fh, undef, undef;
3052 3764
3053 close $fh 3765 close $fh
3054 or return; 3766 or return;
3055 3767
3056 aio_rename "$runtime~", $runtime 3768 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3057 and return; 3769 and return;
3058 3770
3059 warn "runtime file written.\n"; 3771 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3060 3772
3061 1 3773 1
3774}
3775
3776our $uuid_lock;
3777our $uuid_skip;
3778
3779sub write_uuid_sync($) {
3780 $uuid_skip ||= $_[0];
3781
3782 return if $uuid_lock;
3783 local $uuid_lock = 1;
3784
3785 my $uuid = "$LOCALDIR/uuid";
3786
3787 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3788 or return;
3789
3790 my $value = uuid_seq uuid_cur;
3791
3792 unless ($value) {
3793 info "cowardly refusing to write zero uuid value!\n";
3794 return;
3795 }
3796
3797 my $value = uuid_str $value + $uuid_skip;
3798 $uuid_skip = 0;
3799
3800 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3801 and return;
3802
3803 # always fsync - this file is important
3804 aio_fsync $fh
3805 and return;
3806
3807 close $fh
3808 or return;
3809
3810 aio_rename "$uuid~", $uuid
3811 and return;
3812
3813 trace "uuid file written ($value).\n";
3814
3815 1
3816
3817}
3818
3819sub write_uuid($$) {
3820 my ($skip, $sync) = @_;
3821
3822 $sync ? write_uuid_sync $skip
3823 : async { write_uuid_sync $skip };
3062} 3824}
3063 3825
3064sub emergency_save() { 3826sub emergency_save() {
3065 my $freeze_guard = cf::freeze_mainloop; 3827 my $freeze_guard = cf::freeze_mainloop;
3066 3828
3067 warn "enter emergency perl save\n"; 3829 info "emergency_perl_save: enter\n";
3830
3831 # this is a trade-off: we want to be very quick here, so
3832 # save all maps without fsync, and later call a global sync
3833 # (which in turn might be very very slow)
3834 local $USE_FSYNC = 0;
3068 3835
3069 cf::sync_job { 3836 cf::sync_job {
3837 cf::write_runtime_sync; # external watchdog should not bark
3838
3070 # use a peculiar iteration method to avoid tripping on perl 3839 # use a peculiar iteration method to avoid tripping on perl
3071 # refcount bugs in for. also avoids problems with players 3840 # refcount bugs in for. also avoids problems with players
3072 # and maps saved/destroyed asynchronously. 3841 # and maps saved/destroyed asynchronously.
3073 warn "begin emergency player save\n"; 3842 info "emergency_perl_save: begin player save\n";
3074 for my $login (keys %cf::PLAYER) { 3843 for my $login (keys %cf::PLAYER) {
3075 my $pl = $cf::PLAYER{$login} or next; 3844 my $pl = $cf::PLAYER{$login} or next;
3076 $pl->valid or next; 3845 $pl->valid or next;
3846 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3077 $pl->save; 3847 $pl->save;
3078 } 3848 }
3079 warn "end emergency player save\n"; 3849 info "emergency_perl_save: end player save\n";
3080 3850
3081 warn "begin emergency map save\n"; 3851 cf::write_runtime_sync; # external watchdog should not bark
3852
3853 info "emergency_perl_save: begin map save\n";
3082 for my $path (keys %cf::MAP) { 3854 for my $path (keys %cf::MAP) {
3083 my $map = $cf::MAP{$path} or next; 3855 my $map = $cf::MAP{$path} or next;
3084 $map->valid or next; 3856 $map->valid or next;
3085 $map->save; 3857 $map->save;
3086 } 3858 }
3087 warn "end emergency map save\n"; 3859 info "emergency_perl_save: end map save\n";
3088 3860
3089 warn "begin emergency database checkpoint\n"; 3861 cf::write_runtime_sync; # external watchdog should not bark
3862
3863 info "emergency_perl_save: begin database checkpoint\n";
3090 BDB::db_env_txn_checkpoint $DB_ENV; 3864 BDB::db_env_txn_checkpoint $DB_ENV;
3091 warn "end emergency database checkpoint\n"; 3865 info "emergency_perl_save: end database checkpoint\n";
3866
3867 info "emergency_perl_save: begin write uuid\n";
3868 write_uuid_sync 1;
3869 info "emergency_perl_save: end write uuid\n";
3870
3871 cf::write_runtime_sync; # external watchdog should not bark
3872
3873 trace "emergency_perl_save: syncing database to disk";
3874 BDB::db_env_txn_checkpoint $DB_ENV;
3875
3876 info "emergency_perl_save: starting sync\n";
3877 IO::AIO::aio_sync sub {
3878 info "emergency_perl_save: finished sync\n";
3879 };
3880
3881 cf::write_runtime_sync; # external watchdog should not bark
3882
3883 trace "emergency_perl_save: flushing outstanding aio requests";
3884 while (IO::AIO::nreqs || BDB::nreqs) {
3885 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3886 }
3887
3888 cf::write_runtime_sync; # external watchdog should not bark
3092 }; 3889 };
3093 3890
3094 warn "leave emergency perl save\n"; 3891 info "emergency_perl_save: leave\n";
3095} 3892}
3096 3893
3097sub post_cleanup { 3894sub post_cleanup {
3098 my ($make_core) = @_; 3895 my ($make_core) = @_;
3099 3896
3897 IO::AIO::flush;
3898
3100 warn Carp::longmess "post_cleanup backtrace" 3899 error Carp::longmess "post_cleanup backtrace"
3101 if $make_core; 3900 if $make_core;
3901
3902 my $fh = pidfile;
3903 unlink $PIDFILE if <$fh> == $$;
3904}
3905
3906# a safer delete_package, copied from Symbol
3907sub clear_package($) {
3908 my $pkg = shift;
3909
3910 # expand to full symbol table name if needed
3911 unless ($pkg =~ /^main::.*::$/) {
3912 $pkg = "main$pkg" if $pkg =~ /^::/;
3913 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3914 $pkg .= '::' unless $pkg =~ /::$/;
3915 }
3916
3917 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3918 my $stem_symtab = *{$stem}{HASH};
3919
3920 defined $stem_symtab and exists $stem_symtab->{$leaf}
3921 or return;
3922
3923 # clear all symbols
3924 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3925 for my $name (keys %$leaf_symtab) {
3926 _gv_clear *{"$pkg$name"};
3927# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3928 }
3102} 3929}
3103 3930
3104sub do_reload_perl() { 3931sub do_reload_perl() {
3105 # can/must only be called in main 3932 # can/must only be called in main
3106 if ($Coro::current != $Coro::main) { 3933 unless (in_main) {
3107 warn "can only reload from main coroutine"; 3934 error "can only reload from main coroutine";
3108 return; 3935 return;
3109 } 3936 }
3110 3937
3111 warn "reloading..."; 3938 return if $RELOAD++;
3112 3939
3113 warn "entering sync_job"; 3940 my $t1 = AE::time;
3114 3941
3942 while ($RELOAD) {
3943 cf::get_slot 0.1, -1, "reload_perl";
3944 info "perl_reload: reloading...";
3945
3946 trace "perl_reload: entering sync_job";
3947
3115 cf::sync_job { 3948 cf::sync_job {
3116 cf::write_runtime; # external watchdog should not bark
3117 cf::emergency_save; 3949 #cf::emergency_save;
3118 cf::write_runtime; # external watchdog should not bark
3119 3950
3120 warn "syncing database to disk";
3121 BDB::db_env_txn_checkpoint $DB_ENV;
3122
3123 # if anything goes wrong in here, we should simply crash as we already saved
3124
3125 warn "cancelling all WF_AUTOCANCEL watchers";
3126 for (Event::all_watchers) {
3127 $_->cancel if $_->data & WF_AUTOCANCEL;
3128 }
3129
3130 warn "flushing outstanding aio requests";
3131 for (;;) {
3132 BDB::flush;
3133 IO::AIO::flush;
3134 Coro::cede;
3135 last unless IO::AIO::nreqs || BDB::nreqs;
3136 warn "iterate...";
3137 }
3138
3139 ++$RELOAD;
3140
3141 warn "cancelling all extension coros"; 3951 trace "perl_reload: cancelling all extension coros";
3142 $_->cancel for values %EXT_CORO; 3952 $_->cancel for values %EXT_CORO;
3143 %EXT_CORO = (); 3953 %EXT_CORO = ();
3144 3954
3145 warn "removing commands"; 3955 trace "perl_reload: removing commands";
3146 %COMMAND = (); 3956 %COMMAND = ();
3147 3957
3148 warn "removing ext/exti commands"; 3958 trace "perl_reload: removing ext/exti commands";
3149 %EXTCMD = (); 3959 %EXTCMD = ();
3150 %EXTICMD = (); 3960 %EXTICMD = ();
3151 3961
3152 warn "unloading/nuking all extensions"; 3962 trace "perl_reload: unloading/nuking all extensions";
3153 for my $pkg (@EXTS) { 3963 for my $pkg (@EXTS) {
3154 warn "... unloading $pkg"; 3964 trace "... unloading $pkg";
3155 3965
3156 if (my $cb = $pkg->can ("unload")) { 3966 if (my $cb = $pkg->can ("unload")) {
3157 eval { 3967 eval {
3158 $cb->($pkg); 3968 $cb->($pkg);
3159 1 3969 1
3160 } or warn "$pkg unloaded, but with errors: $@"; 3970 } or error "$pkg unloaded, but with errors: $@";
3971 }
3972
3973 trace "... clearing $pkg";
3974 clear_package $pkg;
3161 } 3975 }
3162 3976
3163 warn "... nuking $pkg";
3164 Symbol::delete_package $pkg;
3165 }
3166
3167 warn "unloading all perl modules loaded from $LIBDIR"; 3977 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3168 while (my ($k, $v) = each %INC) { 3978 while (my ($k, $v) = each %INC) {
3169 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3979 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3170 3980
3171 warn "... unloading $k"; 3981 trace "... unloading $k";
3172 delete $INC{$k}; 3982 delete $INC{$k};
3173 3983
3174 $k =~ s/\.pm$//; 3984 $k =~ s/\.pm$//;
3175 $k =~ s/\//::/g; 3985 $k =~ s/\//::/g;
3176 3986
3177 if (my $cb = $k->can ("unload_module")) { 3987 if (my $cb = $k->can ("unload_module")) {
3178 $cb->(); 3988 $cb->();
3989 }
3990
3991 clear_package $k;
3179 } 3992 }
3180 3993
3181 Symbol::delete_package $k;
3182 }
3183
3184 warn "getting rid of safe::, as good as possible"; 3994 trace "perl_reload: getting rid of safe::, as good as possible";
3185 Symbol::delete_package "safe::$_" 3995 clear_package "safe::$_"
3186 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3996 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3187 3997
3188 warn "unloading cf.pm \"a bit\""; 3998 trace "perl_reload: unloading cf.pm \"a bit\"";
3189 delete $INC{"cf.pm"}; 3999 delete $INC{"cf.pm"};
3190 delete $INC{"cf/pod.pm"}; 4000 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3191 4001
3192 # don't, removes xs symbols, too, 4002 # don't, removes xs symbols, too,
3193 # and global variables created in xs 4003 # and global variables created in xs
3194 #Symbol::delete_package __PACKAGE__; 4004 #clear_package __PACKAGE__;
3195 4005
3196 warn "unload completed, starting to reload now"; 4006 info "perl_reload: unload completed, starting to reload now";
3197 4007
3198 warn "reloading cf.pm"; 4008 trace "perl_reload: reloading cf.pm";
3199 require cf; 4009 require cf;
3200 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4010 cf::_connect_to_perl_1;
3201 4011
3202 warn "loading config and database again"; 4012 trace "perl_reload: loading config and database again";
3203 cf::cfg_load; 4013 cf::reload_config;
3204 4014
3205 warn "loading extensions"; 4015 trace "perl_reload: loading extensions";
3206 cf::load_extensions; 4016 cf::load_extensions;
3207 4017
4018 if ($REATTACH_ON_RELOAD) {
3208 warn "reattaching attachments to objects/players"; 4019 trace "perl_reload: reattaching attachments to objects/players";
3209 _global_reattach; # objects, sockets 4020 _global_reattach; # objects, sockets
3210 warn "reattaching attachments to maps"; 4021 trace "perl_reload: reattaching attachments to maps";
3211 reattach $_ for values %MAP; 4022 reattach $_ for values %MAP;
3212 warn "reattaching attachments to players"; 4023 trace "perl_reload: reattaching attachments to players";
3213 reattach $_ for values %PLAYER; 4024 reattach $_ for values %PLAYER;
4025 }
3214 4026
3215 warn "leaving sync_job"; 4027 cf::_post_init 1;
3216 4028
4029 trace "perl_reload: leaving sync_job";
4030
3217 1 4031 1
3218 } or do { 4032 } or do {
3219 warn $@; 4033 error $@;
3220 warn "error while reloading, exiting."; 4034 cf::cleanup "perl_reload: error, exiting.";
3221 exit 1; 4035 };
4036
4037 --$RELOAD;
3222 }; 4038 }
3223 4039
3224 warn "reloaded"; 4040 $t1 = AE::time - $t1;
4041 info "perl_reload: completed in ${t1}s\n";
3225}; 4042};
3226 4043
3227our $RELOAD_WATCHER; # used only during reload 4044our $RELOAD_WATCHER; # used only during reload
3228 4045
3229sub reload_perl() { 4046sub reload_perl() {
3230 # doing reload synchronously and two reloads happen back-to-back, 4047 # doing reload synchronously and two reloads happen back-to-back,
3231 # coro crashes during coro_state_free->destroy here. 4048 # coro crashes during coro_state_free->destroy here.
3232 4049
3233 $RELOAD_WATCHER ||= Event->timer ( 4050 $RELOAD_WATCHER ||= cf::async {
3234 reentrant => 0, 4051 Coro::AIO::aio_wait cache_extensions;
3235 after => 0, 4052
3236 data => WF_AUTOCANCEL, 4053 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3237 cb => sub {
3238 do_reload_perl; 4054 do_reload_perl;
3239 undef $RELOAD_WATCHER; 4055 undef $RELOAD_WATCHER;
3240 }, 4056 };
3241 ); 4057 };
3242} 4058}
3243 4059
3244register_command "reload" => sub { 4060register_command "reload" => sub {
3245 my ($who, $arg) = @_; 4061 my ($who, $arg) = @_;
3246 4062
3247 if ($who->flag (FLAG_WIZ)) { 4063 if ($who->flag (FLAG_WIZ)) {
3248 $who->message ("reloading server."); 4064 $who->message ("reloading server.");
4065 async {
4066 $Coro::current->{desc} = "perl_reload";
3249 async { reload_perl }; 4067 reload_perl;
4068 };
3250 } 4069 }
3251}; 4070};
3252 4071
3253unshift @INC, $LIBDIR; 4072#############################################################################
3254 4073
3255my $bug_warning = 0; 4074my $bug_warning = 0;
3256 4075
3257our @WAIT_FOR_TICK; 4076our @WAIT_FOR_TICK;
3258our @WAIT_FOR_TICK_BEGIN; 4077our @WAIT_FOR_TICK_BEGIN;
3259 4078
3260sub wait_for_tick { 4079sub wait_for_tick() {
3261 return unless $TICK_WATCHER->is_active;
3262 return if $Coro::current == $Coro::main; 4080 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3263 4081
3264 my $signal = new Coro::Signal; 4082 my $signal = new Coro::Signal;
3265 push @WAIT_FOR_TICK, $signal; 4083 push @WAIT_FOR_TICK, $signal;
3266 $signal->wait; 4084 $signal->wait;
3267} 4085}
3268 4086
3269sub wait_for_tick_begin { 4087sub wait_for_tick_begin() {
3270 return unless $TICK_WATCHER->is_active;
3271 return if $Coro::current == $Coro::main; 4088 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3272 4089
3273 my $signal = new Coro::Signal; 4090 my $signal = new Coro::Signal;
3274 push @WAIT_FOR_TICK_BEGIN, $signal; 4091 push @WAIT_FOR_TICK_BEGIN, $signal;
3275 $signal->wait; 4092 $signal->wait;
3276} 4093}
3277 4094
3278 my $min = 1e6;#d# 4095sub tick {
3279 my $avg = 10;
3280$TICK_WATCHER = Event->timer (
3281 reentrant => 0,
3282 parked => 1,
3283 prio => 0,
3284 at => $NEXT_TICK || $TICK,
3285 data => WF_AUTOCANCEL,
3286 cb => sub {
3287 if ($Coro::current != $Coro::main) { 4096 if ($Coro::current != $Coro::main) {
3288 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4097 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3289 unless ++$bug_warning > 10; 4098 unless ++$bug_warning > 10;
3290 return; 4099 return;
3291 } 4100 }
3292 4101
3293 $NOW = $tick_start = Event::time;
3294
3295 cf::server_tick; # one server iteration 4102 cf::server_tick; # one server iteration
3296 4103
3297 0 && sync_job {#d# 4104 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3298 for(1..10) {
3299 my $t = Event::time;
3300 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3301 or die;
3302 4105
3303 $map->width (50); 4106 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3304 $map->height (50); 4107 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3305 $map->alloc; 4108 Coro::async_pool {
3306 $map->_load_objects ("/tmp/x.map", 1); 4109 $Coro::current->{desc} = "runtime saver";
3307 my $t = Event::time - $t; 4110 write_runtime_sync
3308 4111 or error "ERROR: unable to write runtime file: $!";
3309 #next unless $t < 0.0013;#d#
3310 if ($t < $min) {
3311 $min = $t;
3312 }
3313 $avg = $avg * 0.99 + $t * 0.01;
3314 }
3315 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3316 exit 0;
3317 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3318 }; 4112 };
4113 }
3319 4114
3320 $RUNTIME += $TICK;
3321 $NEXT_TICK += $TICK;
3322
3323 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3324 $NEXT_RUNTIME_WRITE = $NOW + 10;
3325 Coro::async_pool {
3326 write_runtime
3327 or warn "ERROR: unable to write runtime file: $!";
3328 };
3329 }
3330
3331# my $AFTER = Event::time;
3332# warn $AFTER - $NOW;#d#
3333
3334 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4115 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3335 $sig->send; 4116 $sig->send;
3336 } 4117 }
3337 while (my $sig = shift @WAIT_FOR_TICK) { 4118 while (my $sig = shift @WAIT_FOR_TICK) {
3338 $sig->send; 4119 $sig->send;
3339 } 4120 }
3340 4121
3341 $NOW = Event::time; 4122 $LOAD = ($NOW - $TICK_START) / $TICK;
3342
3343 # if we are delayed by four ticks or more, skip them all
3344 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3345
3346 $TICK_WATCHER->at ($NEXT_TICK);
3347 $TICK_WATCHER->start;
3348
3349 $LOAD = ($NOW - $tick_start) / $TICK;
3350 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4123 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3351 4124
3352 _post_tick; 4125 if (0) {
3353 4126 if ($NEXT_TICK) {
3354 4127 my $jitter = $TICK_START - $NEXT_TICK;
4128 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4129 debug "jitter $JITTER\n";#d#
4130 }
3355 }, 4131 }
3356); 4132}
3357 4133
3358{ 4134{
3359 BDB::max_poll_time $TICK * 0.1; 4135 # configure BDB
3360 $BDB_POLL_WATCHER = Event->io ( 4136
3361 reentrant => 0,
3362 fd => BDB::poll_fileno,
3363 poll => 'r',
3364 prio => 0,
3365 data => WF_AUTOCANCEL,
3366 cb => \&BDB::poll_cb,
3367 );
3368 BDB::min_parallel 8; 4137 BDB::min_parallel 16;
3369 4138 BDB::max_poll_reqs $TICK * 0.1;
3370 BDB::set_sync_prepare { 4139 $AnyEvent::BDB::WATCHER->priority (1);
3371 my $status;
3372 my $current = $Coro::current;
3373 (
3374 sub {
3375 $status = $!;
3376 $current->ready; undef $current;
3377 },
3378 sub {
3379 Coro::schedule while defined $current;
3380 $! = $status;
3381 },
3382 )
3383 };
3384 4140
3385 unless ($DB_ENV) { 4141 unless ($DB_ENV) {
3386 $DB_ENV = BDB::db_env_create; 4142 $DB_ENV = BDB::db_env_create;
4143 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4144 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4145 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4146 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4147 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3387 4148
3388 cf::sync_job { 4149 cf::sync_job {
3389 eval { 4150 eval {
3390 BDB::db_env_open 4151 BDB::db_env_open
3391 $DB_ENV, 4152 $DB_ENV,
3393 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4154 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3394 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4155 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3395 0666; 4156 0666;
3396 4157
3397 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4158 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3398
3399 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3400 $DB_ENV->set_lk_detect;
3401 }; 4159 };
3402 4160
3403 cf::cleanup "db_env_open(db): $@" if $@; 4161 cf::cleanup "db_env_open(db): $@" if $@;
3404 }; 4162 };
3405 } 4163 }
4164
4165 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4166 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4167 };
4168 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4169 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4170 };
4171 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4172 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4173 };
3406} 4174}
3407 4175
3408{ 4176{
4177 # configure IO::AIO
4178
3409 IO::AIO::min_parallel 8; 4179 IO::AIO::min_parallel 8;
3410
3411 undef $Coro::AIO::WATCHER;
3412 IO::AIO::max_poll_time $TICK * 0.1; 4180 IO::AIO::max_poll_time $TICK * 0.1;
3413 $AIO_POLL_WATCHER = Event->io ( 4181 undef $AnyEvent::AIO::WATCHER;
3414 reentrant => 0,
3415 data => WF_AUTOCANCEL,
3416 fd => IO::AIO::poll_fileno,
3417 poll => 'r',
3418 prio => 6,
3419 cb => \&IO::AIO::poll_cb,
3420 );
3421} 4182}
3422 4183
3423my $_log_backtrace; 4184our $_log_backtrace;
4185our $_log_backtrace_last;
3424 4186
3425sub _log_backtrace { 4187sub _log_backtrace {
3426 my ($msg, @addr) = @_; 4188 my ($msg, @addr) = @_;
3427 4189
3428 $msg =~ s/\n//; 4190 $msg =~ s/\n$//;
3429 4191
4192 if ($_log_backtrace_last eq $msg) {
4193 LOG llevInfo, "[ABT] $msg\n";
4194 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3430 # limit the # of concurrent backtraces 4195 # limit the # of concurrent backtraces
3431 if ($_log_backtrace < 2) { 4196 } elsif ($_log_backtrace < 2) {
4197 $_log_backtrace_last = $msg;
3432 ++$_log_backtrace; 4198 ++$_log_backtrace;
4199 my $perl_bt = Carp::longmess $msg;
3433 async { 4200 async {
4201 $Coro::current->{desc} = "abt $msg";
4202
3434 my @bt = fork_call { 4203 my @bt = fork_call {
3435 @addr = map { sprintf "%x", $_ } @addr; 4204 @addr = map { sprintf "%x", $_ } @addr;
3436 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4205 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3437 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4206 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3438 or die "addr2line: $!"; 4207 or die "addr2line: $!";
3446 } 4215 }
3447 4216
3448 @funcs 4217 @funcs
3449 }; 4218 };
3450 4219
3451 LOG llevInfo, "[ABT] $msg\n"; 4220 LOG llevInfo, "[ABT] $perl_bt\n";
4221 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3452 LOG llevInfo, "[ABT] $_\n" for @bt; 4222 LOG llevInfo, "[ABT] $_\n" for @bt;
3453 --$_log_backtrace; 4223 --$_log_backtrace;
3454 }; 4224 };
3455 } else { 4225 } else {
3456 LOG llevInfo, "[ABT] $msg\n"; 4226 LOG llevInfo, "[ABT] $msg\n";
3457 LOG llevInfo, "[ABT] [suppressed]\n"; 4227 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3458 } 4228 }
3459} 4229}
3460 4230
3461# load additional modules 4231# load additional modules
3462use cf::pod; 4232require "cf/$_.pm" for @EXTRA_MODULES;
4233cf::_connect_to_perl_2;
3463 4234
3464END { cf::emergency_save } 4235END { cf::emergency_save }
3465 4236
34661 42371
3467 4238

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