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Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.525 by root, Wed Apr 21 03:34:26 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $OUTPUT_RATE_MIN = 4000;
114our $OUTPUT_RATE_MAX = 100000;
71 115
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 116our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 118our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 119our $USE_FSYNC = 1; # use fsync to write maps - default on
79 120
121our $BDB_DEADLOCK_WATCHER;
122our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 123our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 124our $DB_ENV;
125
126our @EXTRA_MODULES = qw(pod match mapscript);
82 127
83our %CFG; 128our %CFG;
84 129
85our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 131our $RUNTIME;
132our $NOW;
87 133
88our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
91 137
92# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 140
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 144our $TICK_START; # for load detecting purposes
145
146our @POST_INIT;
147
148our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
149our $REALLY_UNLOOP; # never set to true, please :)
98 150
99binmode STDOUT; 151binmode STDOUT;
100binmode STDERR; 152binmode STDERR;
101 153
102# read virtual server time, if available 154# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 156 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
107} 159}
160
161eval "sub TICK() { $TICK } 1" or die;
108 162
109mkdir $_ 163mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 165
112our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
113 167
114sub cf::map::normalise; 168sub cf::map::normalise;
169
170sub in_main() {
171 $Coro::current == $Coro::main
172}
173
174#############################################################################
175
176%REFLECT = ();
177for (@REFLECT) {
178 my $reflect = JSON::XS::decode_json $_;
179 $REFLECT{$reflect->{class}} = $reflect;
180}
181
182# this is decidedly evil
183$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 184
116############################################################################# 185#############################################################################
117 186
118=head2 GLOBAL VARIABLES 187=head2 GLOBAL VARIABLES
119 188
… …
155 224
156The raw value load value from the last tick. 225The raw value load value from the last tick.
157 226
158=item %cf::CFG 227=item %cf::CFG
159 228
160Configuration for the server, loaded from C</etc/crossfire/config>, or 229Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 230from wherever your confdir points to.
162 231
163=item cf::wait_for_tick, cf::wait_for_tick_begin 232=item cf::wait_for_tick, cf::wait_for_tick_begin
164 233
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 234These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 235returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 236per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 237
238=item @cf::INVOKE_RESULTS
239
240This array contains the results of the last C<invoke ()> call. When
241C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
242that call.
243
244=item %cf::REFLECT
245
246Contains, for each (C++) class name, a hash reference with information
247about object members (methods, scalars, arrays and flags) and other
248metadata, which is useful for introspection.
249
169=back 250=back
170 251
171=cut 252=cut
172 253
173BEGIN { 254$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 255 my $msg = join "", @_;
176 256
177 $msg .= "\n" 257 $msg .= "\n"
178 unless $msg =~ /\n$/; 258 unless $msg =~ /\n$/;
179 259
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 260 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 261
182 utf8::encode $msg;
183 LOG llevError, $msg; 262 LOG llevError, $msg;
184 }; 263};
185} 264
265$Coro::State::DIEHOOK = sub {
266 return unless $^S eq 0; # "eq", not "=="
267
268 warn Carp::longmess $_[0];
269
270 if (in_main) {#d#
271 warn "DIEHOOK called in main context, Coro bug?\n";#d#
272 return;#d#
273 }#d#
274
275 # kill coroutine otherwise
276 Coro::terminate
277};
186 278
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 279@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 280@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 281@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 282@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 283@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
284@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 285@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 286
194# we bless all objects into (empty) derived classes to force a method lookup 287# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 288# within the Safe compartment.
196for my $pkg (qw( 289for my $pkg (qw(
197 cf::global cf::attachable 290 cf::global cf::attachable
198 cf::object cf::object::player 291 cf::object cf::object::player
199 cf::client cf::player 292 cf::client cf::player
200 cf::arch cf::living 293 cf::arch cf::living
294 cf::map cf::mapspace
201 cf::map cf::party cf::region 295 cf::party cf::region
202)) { 296)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 297 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 298}
206 299
207$Event::DIED = sub { 300$EV::DIED = sub {
208 warn "error in event callback: @_"; 301 Carp::cluck "error in event callback: @_";
209}; 302};
303
304#############################################################################
210 305
211=head2 UTILITY FUNCTIONS 306=head2 UTILITY FUNCTIONS
212 307
213=over 4 308=over 4
214 309
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 328 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 329 $d
235 } || "[unable to dump $_[0]: '$@']"; 330 } || "[unable to dump $_[0]: '$@']";
236} 331}
237 332
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 333=item $ref = cf::decode_json $json
241 334
242Converts a JSON string into the corresponding perl data structure. 335Converts a JSON string into the corresponding perl data structure.
243 336
244=item $json = cf::to_json $ref 337=item $json = cf::encode_json $ref
245 338
246Converts a perl data structure into its JSON representation. 339Converts a perl data structure into its JSON representation.
247 340
341=cut
342
343our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
344
345sub encode_json($) { $json_coder->encode ($_[0]) }
346sub decode_json($) { $json_coder->decode ($_[0]) }
347
348=item cf::post_init { BLOCK }
349
350Execute the given codeblock, I<after> all extensions have been (re-)loaded,
351but I<before> the server starts ticking again.
352
353The cdoeblock will have a single boolean argument to indicate whether this
354is a reload or not.
355
356=cut
357
358sub post_init(&) {
359 push @POST_INIT, shift;
360}
361
248=item cf::lock_wait $string 362=item cf::lock_wait $string
249 363
250Wait until the given lock is available. See cf::lock_acquire. 364Wait until the given lock is available. See cf::lock_acquire.
251 365
252=item my $lock = cf::lock_acquire $string 366=item my $lock = cf::lock_acquire $string
253 367
254Wait until the given lock is available and then acquires it and returns 368Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 369a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 370for example when the coroutine gets canceled), the lock is automatically
257returned. 371returned.
258 372
373Locks are *not* recursive, locking from the same coro twice results in a
374deadlocked coro.
375
259Lock names should begin with a unique identifier (for example, cf::map::find 376Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 377uses map_find and cf::map::load uses map_load).
261 378
262=item $locked = cf::lock_active $string 379=item $locked = cf::lock_active $string
263 380
264Return true if the lock is currently active, i.e. somebody has locked it. 381Return true if the lock is currently active, i.e. somebody has locked it.
265 382
266=cut 383=cut
267 384
268our %LOCK; 385our $LOCKS = new Coro::SemaphoreSet;
269 386
270sub lock_wait($) { 387sub lock_wait($) {
271 my ($key) = @_; 388 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 389}
279 390
280sub lock_acquire($) { 391sub lock_acquire($) {
281 my ($key) = @_; 392 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 393}
293 394
294sub lock_active($) { 395sub lock_active($) {
295 my ($key) = @_; 396 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 397}
299 398
300sub freeze_mainloop { 399sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 400 tick_inhibit_inc;
302 401
303 my $guard = Coro::guard { 402 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 403}
404
405=item cf::periodic $interval, $cb
406
407Like EV::periodic, but randomly selects a starting point so that the actions
408get spread over time.
409
410=cut
411
412sub periodic($$) {
413 my ($interval, $cb) = @_;
414
415 my $start = rand List::Util::min 180, $interval;
416
417 EV::periodic $start, $interval, 0, $cb
418}
419
420=item cf::get_slot $time[, $priority[, $name]]
421
422Allocate $time seconds of blocking CPU time at priority C<$priority>:
423This call blocks and returns only when you have at least C<$time> seconds
424of cpu time till the next tick. The slot is only valid till the next cede.
425
426The optional C<$name> can be used to identify the job to run. It might be
427used for statistical purposes and should identify the same time-class.
428
429Useful for short background jobs.
430
431=cut
432
433our @SLOT_QUEUE;
434our $SLOT_QUEUE;
435our $SLOT_DECAY = 0.9;
436
437$SLOT_QUEUE->cancel if $SLOT_QUEUE;
438$SLOT_QUEUE = Coro::async {
439 $Coro::current->desc ("timeslot manager");
440
441 my $signal = new Coro::Signal;
442 my $busy;
443
444 while () {
445 next_job:
446
447 my $avail = cf::till_tick;
448
449 for (0 .. $#SLOT_QUEUE) {
450 if ($SLOT_QUEUE[$_][0] <= $avail) {
451 $busy = 0;
452 my $job = splice @SLOT_QUEUE, $_, 1, ();
453 $job->[2]->send;
454 Coro::cede;
455 goto next_job;
456 } else {
457 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
458 }
459 }
460
461 if (@SLOT_QUEUE) {
462 # we do not use wait_for_tick() as it returns immediately when tick is inactive
463 push @cf::WAIT_FOR_TICK, $signal;
464 $signal->wait;
465 } else {
466 $busy = 0;
467 Coro::schedule;
468 }
305 }; 469 }
306 $TICK_WATCHER->stop; 470};
307 $guard 471
472sub get_slot($;$$) {
473 return if tick_inhibit || $Coro::current == $Coro::main;
474
475 my ($time, $pri, $name) = @_;
476
477 $time = clamp $time, 0.01, $TICK * .6;
478
479 my $sig = new Coro::Signal;
480
481 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
482 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
483 $SLOT_QUEUE->ready;
484 $sig->wait;
308} 485}
309 486
310=item cf::async { BLOCK } 487=item cf::async { BLOCK }
311 488
312Currently the same as Coro::async_pool, meaning you cannot use 489Currently the same as Coro::async_pool, meaning you cannot use
… …
317 494
318BEGIN { *async = \&Coro::async_pool } 495BEGIN { *async = \&Coro::async_pool }
319 496
320=item cf::sync_job { BLOCK } 497=item cf::sync_job { BLOCK }
321 498
322The design of crossfire+ requires that the main coro ($Coro::main) is 499The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 500is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 501partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
502acceptable.
325 503
326If it must be done, put the blocking parts into C<sync_job>. This will run 504If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 505the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 506server will be frozen during this time, so the block should either finish
329fast or be very important. 507fast or be very important.
… …
332 510
333sub sync_job(&) { 511sub sync_job(&) {
334 my ($job) = @_; 512 my ($job) = @_;
335 513
336 if ($Coro::current == $Coro::main) { 514 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 515 my $time = AE::time;
338 516
339 # this is the main coro, too bad, we have to block 517 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 518 # till the operation succeeds, freezing the server :/
341 519
342 # TODO: use suspend/resume instead 520 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 521
344 my $freeze_guard = freeze_mainloop; 522 my $freeze_guard = freeze_mainloop;
345 523
346 my $busy = 1; 524 my $busy = 1;
347 my @res; 525 my @res;
348 526
349 (async { 527 (async {
528 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 529 @res = eval { $job->() };
351 warn $@ if $@; 530 warn $@ if $@;
352 undef $busy; 531 undef $busy;
353 })->prio (Coro::PRIO_MAX); 532 })->prio (Coro::PRIO_MAX);
354 533
355 while ($busy) { 534 while ($busy) {
356 Coro::cede or Event::one_event; 535 if (Coro::nready) {
536 Coro::cede_notself;
537 } else {
538 EV::loop EV::LOOP_ONESHOT;
357 } 539 }
540 }
358 541
359 $time = Event::time - $time; 542 my $time = AE::time - $time;
360 543
361 LOG llevError | logBacktrace, "long sync job\n"
362 if $time > $TICK * 0.5;
363
364 $tick_start += $time; # do not account sync jobs to server load 544 $TICK_START += $time; # do not account sync jobs to server load
365 545
366 wantarray ? @res : $res[0] 546 wantarray ? @res : $res[0]
367 } else { 547 } else {
368 # we are in another coroutine, how wonderful, everything just works 548 # we are in another coroutine, how wonderful, everything just works
369 549
… …
389 $EXT_CORO{$coro+0} = $coro; 569 $EXT_CORO{$coro+0} = $coro;
390 570
391 $coro 571 $coro
392} 572}
393 573
394sub write_runtime { 574=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 575
397 # first touch the runtime file to show we are still running: 576Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 577process, returning the results. Everything must be serialisable with
578Coro::Storable. May, of course, block. Note that the executed sub may
579never block itself or use any form of event handling.
399 580
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 581=cut
401 utime undef, undef, $fh; 582
583sub fork_call(&@) {
584 my ($cb, @args) = @_;
585
586 # we seemingly have to make a local copy of the whole thing,
587 # otherwise perl prematurely frees the stuff :/
588 # TODO: investigate and fix (likely this will be rather laborious)
589
590 my @res = Coro::Util::fork_eval {
591 reset_signals;
592 &$cb
593 }, @args;
594
595 wantarray ? @res : $res[-1]
596}
597
598sub objinfo {
599 (
600 "counter value" => cf::object::object_count,
601 "objects created" => cf::object::create_count,
602 "objects destroyed" => cf::object::destroy_count,
603 "freelist size" => cf::object::free_count,
604 "allocated objects" => cf::object::objects_size,
605 "active objects" => cf::object::actives_size,
606 )
607}
608
609=item $coin = coin_from_name $name
610
611=cut
612
613our %coin_alias = (
614 "silver" => "silvercoin",
615 "silvercoin" => "silvercoin",
616 "silvercoins" => "silvercoin",
617 "gold" => "goldcoin",
618 "goldcoin" => "goldcoin",
619 "goldcoins" => "goldcoin",
620 "platinum" => "platinacoin",
621 "platinumcoin" => "platinacoin",
622 "platinumcoins" => "platinacoin",
623 "platina" => "platinacoin",
624 "platinacoin" => "platinacoin",
625 "platinacoins" => "platinacoin",
626 "royalty" => "royalty",
627 "royalties" => "royalty",
628);
629
630sub coin_from_name($) {
631 $coin_alias{$_[0]}
632 ? cf::arch::find $coin_alias{$_[0]}
633 : undef
634}
635
636=item $value = cf::db_get $family => $key
637
638Returns a single value from the environment database.
639
640=item cf::db_put $family => $key => $value
641
642Stores the given C<$value> in the family. It can currently store binary
643data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
644
645=item $db = cf::db_table "name"
646
647Create and/or open a new database table. The string must not be "db" and must be unique
648within each server.
649
650=cut
651
652sub db_table($) {
653 my ($name) = @_;
654 my $db = BDB::db_create $DB_ENV;
655
656 eval {
657 $db->set_flags (BDB::CHKSUM);
658
659 utf8::encode $name;
660 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
661 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
662 cf::cleanup "db_open(db): $!" if $!;
402 } 663 };
664 cf::cleanup "db_open(db): $@" if $@;
403 665
404 my $guard = cf::lock_acquire "write_runtime"; 666 $db
667}
405 668
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 669our $DB;
407 or return;
408 670
409 my $value = $cf::RUNTIME + 90 + 10; 671sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 672 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 673 $DB ||= db_table "db";
674 };
675}
412 676
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 677sub db_get($$) {
414 and return; 678 my $key = "$_[0]/$_[1]";
415 679
416 # always fsync - this file is important 680 cf::sync_job {
417 aio_fsync $fh 681 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 682
420 # touch it again to show we are up-to-date 683 $! ? ()
421 utime undef, undef, $fh; 684 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 685 }
686}
687
688sub db_put($$$) {
689 BDB::dbreq_pri 4;
690 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
691}
692
693=item cf::cache $id => [$paths...], $processversion => $process
694
695Generic caching function that returns the value of the resource $id,
696caching and regenerating as required.
697
698This function can block.
699
700=cut
701
702sub cache {
703 my ($id, $src, $processversion, $process) = @_;
704
705 my $meta =
706 join "\x00",
707 $processversion,
708 map {
709 aio_stat $_
710 and Carp::croak "$_: $!";
711
712 ($_, (stat _)[7,9])
713 } @$src;
714
715 my $dbmeta = db_get cache => "$id/meta";
716 if ($dbmeta ne $meta) {
717 # changed, we may need to process
718
719 my @data;
720 my $md5;
721
722 for (0 .. $#$src) {
723 0 <= aio_load $src->[$_], $data[$_]
724 or Carp::croak "$src->[$_]: $!";
725 }
726
727 # if processing is expensive, check
728 # checksum first
729 if (1) {
730 $md5 =
731 join "\x00",
732 $processversion,
733 map {
734 cf::cede_to_tick;
735 ($src->[$_], Digest::MD5::md5_hex $data[$_])
736 } 0.. $#$src;
737
738
739 my $dbmd5 = db_get cache => "$id/md5";
740 if ($dbmd5 eq $md5) {
741 db_put cache => "$id/meta", $meta;
742
743 return db_get cache => "$id/data";
744 }
745 }
746
747 my $t1 = Time::HiRes::time;
748 my $data = $process->(\@data);
749 my $t2 = Time::HiRes::time;
750
751 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
752
753 db_put cache => "$id/data", $data;
754 db_put cache => "$id/md5" , $md5;
755 db_put cache => "$id/meta", $meta;
756
757 return $data;
758 }
759
760 db_get cache => "$id/data"
432} 761}
433 762
434=item cf::datalog type => key => value, ... 763=item cf::datalog type => key => value, ...
435 764
436Log a datalog packet of the given type with the given key-value pairs. 765Log a datalog packet of the given type with the given key-value pairs.
… …
448 777
449############################################################################# 778#############################################################################
450 779
451=head2 ATTACHABLE OBJECTS 780=head2 ATTACHABLE OBJECTS
452 781
453Many objects in crossfire are so-called attachable objects. That means you can 782Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 783attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 784to it. All such attachable objects support the following methods.
456 785
457In the following description, CLASS can be any of C<global>, C<object> 786In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 787C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 788Deliantra).
460 789
461=over 4 790=over 4
462 791
463=item $attachable->attach ($attachment, key => $value...) 792=item $attachable->attach ($attachment, key => $value...)
464 793
… …
508=item cf::CLASS::attachment $name, ... 837=item cf::CLASS::attachment $name, ...
509 838
510Register an attachment by C<$name> through which attachable objects of the 839Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 840given CLASS can refer to this attachment.
512 841
513Some classes such as crossfire maps and objects can specify attachments 842Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 843that are attached at load/instantiate time, thus the need for a name.
515 844
516These calls expect any number of the following handler/hook descriptions: 845These calls expect any number of the following handler/hook descriptions:
517 846
518=over 4 847=over 4
… …
627 $registry = $CB_TYPE[$object_type] ||= []; 956 $registry = $CB_TYPE[$object_type] ||= [];
628 957
629 } elsif ($type eq "subtype") { 958 } elsif ($type eq "subtype") {
630 defined $object_type or Carp::croak "subtype specified without type"; 959 defined $object_type or Carp::croak "subtype specified without type";
631 my $object_subtype = shift @arg; 960 my $object_subtype = shift @arg;
632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 961 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633 962
634 } elsif ($type eq "package") { 963 } elsif ($type eq "package") {
635 my $pkg = shift @arg; 964 my $pkg = shift @arg;
636 965
637 while (my ($name, $id) = each %cb_id) { 966 while (my ($name, $id) = each %cb_id) {
… …
666 _attach $registry, $klass, @attach; 995 _attach $registry, $klass, @attach;
667 } 996 }
668 997
669 $obj->{$name} = \%arg; 998 $obj->{$name} = \%arg;
670 } else { 999 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 1000 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 1001 }
673 1002
674 $obj->{_attachment}{$name} = undef; 1003 $obj->{_attachment}{$name} = undef;
675} 1004}
676 1005
… …
678 if (ref $_[0]) { 1007 if (ref $_[0]) {
679 _object_attach @_; 1008 _object_attach @_;
680 } else { 1009 } else {
681 _attach shift->_attach_registry, @_; 1010 _attach shift->_attach_registry, @_;
682 } 1011 }
1012 _recalc_want;
683}; 1013};
684 1014
685# all those should be optimised 1015# all those should be optimised
686sub cf::attachable::detach { 1016sub cf::attachable::detach {
687 my ($obj, $name) = @_; 1017 my ($obj, $name) = @_;
… …
690 delete $obj->{_attachment}{$name}; 1020 delete $obj->{_attachment}{$name};
691 reattach ($obj); 1021 reattach ($obj);
692 } else { 1022 } else {
693 Carp::croak "cannot, currently, detach class attachments"; 1023 Carp::croak "cannot, currently, detach class attachments";
694 } 1024 }
1025 _recalc_want;
695}; 1026};
696 1027
697sub cf::attachable::attached { 1028sub cf::attachable::attached {
698 my ($obj, $name) = @_; 1029 my ($obj, $name) = @_;
699 1030
… …
714 "; 1045 ";
715 die if $@; 1046 die if $@;
716} 1047}
717 1048
718our $override; 1049our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1050our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1051
721sub override { 1052sub override {
722 $override = 1; 1053 $override = 1;
723 @invoke_results = (); 1054 @INVOKE_RESULTS = (@_);
724} 1055}
725 1056
726sub do_invoke { 1057sub do_invoke {
727 my $event = shift; 1058 my $event = shift;
728 my $callbacks = shift; 1059 my $callbacks = shift;
729 1060
730 @invoke_results = (); 1061 @INVOKE_RESULTS = ();
731 1062
732 local $override; 1063 local $override;
733 1064
734 for (@$callbacks) { 1065 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1066 eval { &{$_->[1]} };
… …
744 } 1075 }
745 1076
746 0 1077 0
747} 1078}
748 1079
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1080=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1081
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1082=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1083
753Generate an object-specific event with the given arguments. 1084Generate an object-specific event with the given arguments.
754 1085
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1086This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1087removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1088results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1089
759=back 1090=back
760 1091
761=cut 1092=cut
762 1093
763############################################################################# 1094#############################################################################
764# object support 1095# object support
1096
1097sub _object_equal($$);
1098sub _object_equal($$) {
1099 my ($a, $b) = @_;
1100
1101 return 0 unless (ref $a) eq (ref $b);
1102
1103 if ("HASH" eq ref $a) {
1104 my @ka = keys %$a;
1105 my @kb = keys %$b;
1106
1107 return 0 if @ka != @kb;
1108
1109 for (0 .. $#ka) {
1110 return 0 unless $ka[$_] eq $kb[$_];
1111 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1112 }
1113
1114 } elsif ("ARRAY" eq ref $a) {
1115
1116 return 0 if @$a != @$b;
1117
1118 for (0 .. $#$a) {
1119 return 0 unless _object_equal $a->[$_], $b->[$_];
1120 }
1121
1122 } elsif ($a ne $b) {
1123 return 0;
1124 }
1125
1126 1
1127}
1128
1129our $SLOW_MERGES;#d#
1130sub _can_merge {
1131 my ($ob1, $ob2) = @_;
1132
1133 ++$SLOW_MERGES;#d#
1134
1135 # we do the slow way here
1136 return _object_equal $ob1, $ob2
1137}
765 1138
766sub reattach { 1139sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1140 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1141 my ($obj) = @_;
769 1142
1143 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1144 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1145
772 my $registry = $obj->registry; 1146 my $registry = $obj->registry;
773 1147
774 @$registry = (); 1148 @$registry = ();
775 1149
… …
790cf::attachable->attach ( 1164cf::attachable->attach (
791 prio => -1000000, 1165 prio => -1000000,
792 on_instantiate => sub { 1166 on_instantiate => sub {
793 my ($obj, $data) = @_; 1167 my ($obj, $data) = @_;
794 1168
795 $data = from_json $data; 1169 $data = decode_json $data;
796 1170
797 for (@$data) { 1171 for (@$data) {
798 my ($name, $args) = @$_; 1172 my ($name, $args) = @$_;
799 1173
800 $obj->attach ($name, %{$args || {} }); 1174 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1190sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1191 my ($filename, $rdata, $objs) = @_;
818 1192
819 sync_job { 1193 sync_job {
820 if (length $$rdata) { 1194 if (length $$rdata) {
1195 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1196 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1197 $decname, length $$rdata, scalar @$objs;
823 1198
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1199 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1200 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1201 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1202 if ($cf::USE_FSYNC) {
1203 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;
1204 aio_fsync $fh;
1205 }
828 close $fh; 1206 aio_close $fh;
829 1207
830 if (@$objs) { 1208 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1209 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1210 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1211 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1212 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1213 if ($cf::USE_FSYNC) {
1214 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;
1215 aio_fsync $fh;
1216 }
836 close $fh; 1217 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1218 aio_rename "$filename.pst~", "$filename.pst";
838 } 1219 }
839 } else { 1220 } else {
840 aio_unlink "$filename.pst"; 1221 aio_unlink "$filename.pst";
841 } 1222 }
842 1223
843 aio_rename "$filename~", $filename; 1224 aio_rename "$filename~", $filename;
1225
1226 $filename =~ s%/[^/]+$%%;
1227 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1228 } else {
845 warn "FATAL: $filename~: $!\n"; 1229 warn "unable to save objects: $filename~: $!\n";
846 } 1230 }
847 } else { 1231 } else {
848 aio_unlink $filename; 1232 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1233 aio_unlink "$filename.pst";
850 } 1234 }
851 } 1235 };
852} 1236}
853 1237
854sub object_freezer_as_string { 1238sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1239 my ($rdata, $objs) = @_;
856 1240
… …
868 or return; 1252 or return;
869 1253
870 unless (aio_stat "$filename.pst") { 1254 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1255 (aio_load "$filename.pst", $av) >= 0
872 or return; 1256 or return;
1257
873 $av = eval { (Storable::thaw $av)->{objs} }; 1258 my $st = eval { Coro::Storable::thaw $av };
1259 $av = $st->{objs};
874 } 1260 }
875 1261
1262 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1263 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1264 $decname, length $data, scalar @{$av || []};
1265
878 return ($data, $av); 1266 ($data, $av)
879} 1267}
1268
1269=head2 COMMAND CALLBACKS
1270
1271=over 4
1272
1273=cut
880 1274
881############################################################################# 1275#############################################################################
882# command handling &c 1276# command handling &c
883 1277
884=item cf::register_command $name => \&callback($ob,$args); 1278=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1291 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1292}
899 1293
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1294=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1295
902Register a callbackf ro execution when the client sends an extcmd packet. 1296Register a callback for execution when the client sends an (synchronous)
1297extcmd packet. Ext commands will be processed in the order they are
1298received by the server, like other user commands. The first argument is
1299the logged-in player. Ext commands can only be processed after a player
1300has logged in successfully.
903 1301
904If the callback returns something, it is sent back as if reply was being 1302If the callback returns something, it is sent back as if reply was being
905called. 1303called.
906 1304
1305=item cf::register_exticmd $name => \&callback($ns,$packet);
1306
1307Register a callback for execution when the client sends an (asynchronous)
1308exticmd packet. Exti commands are processed by the server as soon as they
1309are received, i.e. out of order w.r.t. other commands. The first argument
1310is a client socket. Exti commands can be received anytime, even before
1311log-in.
1312
1313If the callback returns something, it is sent back as if reply was being
1314called.
1315
907=cut 1316=cut
908 1317
909sub register_extcmd { 1318sub register_extcmd {
910 my ($name, $cb) = @_; 1319 my ($name, $cb) = @_;
911 1320
912 $EXTCMD{$name} = $cb; 1321 $EXTCMD{$name} = $cb;
913} 1322}
914 1323
1324sub register_exticmd {
1325 my ($name, $cb) = @_;
1326
1327 $EXTICMD{$name} = $cb;
1328}
1329
1330use File::Glob ();
1331
915cf::player->attach ( 1332cf::player->attach (
916 on_command => sub { 1333 on_unknown_command => sub {
917 my ($pl, $name, $params) = @_; 1334 my ($pl, $name, $params) = @_;
918 1335
919 my $cb = $COMMAND{$name} 1336 my $cb = $COMMAND{$name}
920 or return; 1337 or return;
921 1338
… …
926 cf::override; 1343 cf::override;
927 }, 1344 },
928 on_extcmd => sub { 1345 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1346 my ($pl, $buf) = @_;
930 1347
931 my $msg = eval { from_json $buf }; 1348 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1349
933 if (ref $msg) { 1350 if (ref $msg) {
1351 my ($type, $reply, @payload) =
1352 "ARRAY" eq ref $msg
1353 ? @$msg
1354 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1355
1356 my @reply;
1357
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1358 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1359 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1360 }
1361
1362 $pl->ext_reply ($reply, @reply)
1363 if $reply;
1364
939 } else { 1365 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1366 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1367 }
942 1368
943 cf::override; 1369 cf::override;
944 }, 1370 },
945); 1371);
946 1372
1373# "readahead" all extensions
947sub load_extension { 1374sub cache_extensions {
948 my ($path) = @_; 1375 my $grp = IO::AIO::aio_group;
949 1376
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1377 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1378 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1379 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1380 }
975 die $@;
976 } 1381 };
977 1382
978 push @EXTS, $pkg; 1383 $grp
979} 1384}
980 1385
981sub load_extensions { 1386sub load_extensions {
1387 cf::sync_job {
1388 my %todo;
1389
982 for my $ext (<$LIBDIR/*.ext>) { 1390 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1391 next unless -r $path;
984 eval { 1392
985 load_extension $ext; 1393 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1394 my $base = $1;
1395 my $pkg = $1;
1396 $pkg =~ s/[^[:word:]]/_/g;
1397 $pkg = "ext::$pkg";
1398
1399 open my $fh, "<:utf8", $path
1400 or die "$path: $!";
1401
1402 my $source = do { local $/; <$fh> };
1403
1404 my %ext = (
1405 path => $path,
1406 base => $base,
1407 pkg => $pkg,
1408 );
1409
1410 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1411 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1412
1413 $ext{source} =
1414 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1415 . "#line 1 \"$path\"\n{\n"
1416 . $source
1417 . "\n};\n1";
1418
1419 $todo{$base} = \%ext;
1420 }
1421
1422 my $pass = 0;
1423 my %done;
1424 while (%todo) {
1425 my $progress;
1426
1427 ++$pass;
1428
1429 ext:
1430 while (my ($k, $v) = each %todo) {
1431 for (split /,\s*/, $v->{meta}{depends}) {
1432 next ext
1433 unless exists $done{$_};
1434 }
1435
1436 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1437
1438 my $active = eval $v->{source};
1439
1440 if (length $@) {
1441 warn "$v->{path}: $@\n";
1442
1443 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1444 if exists $v->{meta}{mandatory};
1445
1446 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1447 delete $todo{$k};
1448 } else {
1449 $done{$k} = delete $todo{$k};
1450 push @EXTS, $v->{pkg};
1451 $progress = 1;
1452
1453 warn "$v->{base}: extension inactive.\n"
1454 unless $active;
1455 }
986 1 1456 }
987 } or warn "$ext not loaded: $@"; 1457
1458 unless ($progress) {
1459 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1460
1461 while (my ($k, $v) = each %todo) {
1462 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1463 if exists $v->{meta}{mandatory};
1464 }
1465 }
1466 }
988 } 1467 };
989} 1468}
990 1469
991############################################################################# 1470#############################################################################
992 1471
1472=back
1473
993=head2 CORE EXTENSIONS 1474=head2 CORE EXTENSIONS
994 1475
995Functions and methods that extend core crossfire objects. 1476Functions and methods that extend core deliantra objects.
996 1477
997=cut 1478=cut
998 1479
999package cf::player; 1480package cf::player;
1000 1481
1001use Coro::AIO; 1482use Coro::AIO;
1002 1483
1003=head3 cf::player 1484=head3 cf::player
1004 1485
1005=over 4 1486=over 4
1487
1488=item cf::player::num_playing
1489
1490Returns the official number of playing players, as per the Crossfire metaserver rules.
1491
1492=cut
1493
1494sub num_playing {
1495 scalar grep
1496 $_->ob->map
1497 && !$_->hidden
1498 && !$_->ob->flag (cf::FLAG_WIZ),
1499 cf::player::list
1500}
1006 1501
1007=item cf::player::find $login 1502=item cf::player::find $login
1008 1503
1009Returns the given player object, loading it if necessary (might block). 1504Returns the given player object, loading it if necessary (might block).
1010 1505
… …
1029 1524
1030sub exists($) { 1525sub exists($) {
1031 my ($login) = @_; 1526 my ($login) = @_;
1032 1527
1033 $cf::PLAYER{$login} 1528 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1529 or !aio_stat path $login
1035} 1530}
1036 1531
1037sub find($) { 1532sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1533 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1534 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1541 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1542 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1543 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1544 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1545
1051 my $pl = load_pl path $login 1546 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1547 or return;
1548
1549 my $pl = cf::player::load_pl $f
1550 or return;
1551
1552 local $cf::PLAYER_LOADING{$login} = $pl;
1553 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1554 $cf::PLAYER{$login} = $pl
1054 } 1555 }
1055 } 1556 }
1056} 1557}
1558
1559cf::player->attach (
1560 on_load => sub {
1561 my ($pl, $path) = @_;
1562
1563 # restore slots saved in save, below
1564 my $slots = delete $pl->{_slots};
1565
1566 $pl->ob->current_weapon ($slots->[0]);
1567 $pl->combat_ob ($slots->[1]);
1568 $pl->ranged_ob ($slots->[2]);
1569 },
1570);
1057 1571
1058sub save($) { 1572sub save($) {
1059 my ($pl) = @_; 1573 my ($pl) = @_;
1060 1574
1061 return if $pl->{deny_save}; 1575 return if $pl->{deny_save};
… …
1066 return if $pl->{deny_save}; 1580 return if $pl->{deny_save};
1067 1581
1068 aio_mkdir playerdir $pl, 0770; 1582 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1583 $pl->{last_save} = $cf::RUNTIME;
1070 1584
1585 cf::get_slot 0.01;
1586
1587 # save slots, to be restored later
1588 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1589
1071 $pl->save_pl ($path); 1590 $pl->save_pl ($path);
1072 Coro::cede; 1591 cf::cede_to_tick;
1073} 1592}
1074 1593
1075sub new($) { 1594sub new($) {
1076 my ($login) = @_; 1595 my ($login) = @_;
1077 1596
… …
1083 $cf::PLAYER{$login} = $self; 1602 $cf::PLAYER{$login} = $self;
1084 1603
1085 $self 1604 $self
1086} 1605}
1087 1606
1607=item $player->send_msg ($channel, $msg, $color, [extra...])
1608
1609=cut
1610
1611sub send_msg {
1612 my $ns = shift->ns
1613 or return;
1614 $ns->send_msg (@_);
1615}
1616
1088=item $pl->quit_character 1617=item $pl->quit_character
1089 1618
1090Nukes the player without looking back. If logged in, the connection will 1619Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1620be destroyed. May block for a long time.
1092 1621
… …
1096 my ($pl) = @_; 1625 my ($pl) = @_;
1097 1626
1098 my $name = $pl->ob->name; 1627 my $name = $pl->ob->name;
1099 1628
1100 $pl->{deny_save} = 1; 1629 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1630 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1631
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1632 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1633 $pl->deactivate;
1634 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1635 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1636 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1637 $pl->ns->destroy if $pl->ns;
1107 1638
1108 my $path = playerdir $pl; 1639 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1640 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1676 or return [];
1146 1677
1147 my @logins; 1678 my @logins;
1148 1679
1149 for my $login (@$dirs) { 1680 for my $login (@$dirs) {
1681 my $path = path $login;
1682
1683 # a .pst is a dead give-away for a valid player
1684 # if no pst file found, open and chekc for blocked users
1685 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1686 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1687 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1688 $buf !~ /^password -------------$/m or next; # official not-valid tag
1689 }
1153 1690
1154 utf8::decode $login; 1691 utf8::decode $login;
1155 push @logins, $login; 1692 push @logins, $login;
1156 } 1693 }
1157 1694
1158 \@logins 1695 \@logins
1159} 1696}
1160 1697
1161=item $player->maps 1698=item $player->maps
1699
1700=item cf::player::maps $login
1162 1701
1163Returns an arrayref of map paths that are private for this 1702Returns an arrayref of map paths that are private for this
1164player. May block. 1703player. May block.
1165 1704
1166=cut 1705=cut
… …
1184 } 1723 }
1185 1724
1186 \@paths 1725 \@paths
1187} 1726}
1188 1727
1728=item $protocol_xml = $player->expand_cfpod ($cfpod)
1729
1730Expand deliantra pod fragments into protocol xml.
1731
1189=item $player->ext_reply ($msgid, %msg) 1732=item $player->ext_reply ($msgid, @msg)
1190 1733
1191Sends an ext reply to the player. 1734Sends an ext reply to the player.
1192 1735
1193=cut 1736=cut
1194 1737
1195sub ext_reply($$%) { 1738sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1739 my ($self, $id, @msg) = @_;
1197 1740
1198 $msg{msgid} = $id; 1741 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1742}
1202 1743
1203=item $player->ext_event ($type, %msg) 1744=item $player->ext_msg ($type, @msg)
1204 1745
1205Sends an ext event to the client. 1746Sends an ext event to the client.
1206 1747
1207=cut 1748=cut
1208 1749
1209sub ext_event($$%) { 1750sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1751 my ($self, $type, @msg) = @_;
1211 1752
1212 $self->ns->ext_event ($type, %msg); 1753 $self->ns->ext_msg ($type, @msg);
1213} 1754}
1214 1755
1215=head3 cf::region 1756=head3 cf::region
1216 1757
1217=over 4 1758=over 4
… …
1220 1761
1221package cf::region; 1762package cf::region;
1222 1763
1223=item cf::region::find_by_path $path 1764=item cf::region::find_by_path $path
1224 1765
1225Tries to decuce the probable region for a map knowing only its path. 1766Tries to decuce the likely region for a map knowing only its path.
1226 1767
1227=cut 1768=cut
1228 1769
1229sub find_by_path($) { 1770sub find_by_path($) {
1230 my ($path) = @_; 1771 my ($path) = @_;
1231 1772
1773 $path =~ s/^~[^\/]*//; # skip ~login
1774
1232 my ($match, $specificity); 1775 my ($match, $specificity);
1233 1776
1234 for my $region (list) { 1777 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1778 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1779 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1780 if $region->specificity > $specificity;
1238 } 1781 }
1239 } 1782 }
1240 1783
… …
1261our $MAX_RESET = 3600; 1804our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1805our $DEFAULT_RESET = 3000;
1263 1806
1264sub generate_random_map { 1807sub generate_random_map {
1265 my ($self, $rmp) = @_; 1808 my ($self, $rmp) = @_;
1809
1810 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1811
1266 # mit "rum" bekleckern, nicht 1812 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1813 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1814 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1815 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1816 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271 $rmp->{exit_on_final_map}, 1817 $rmp->{exit_on_final_map},
1272 $rmp->{xsize}, $rmp->{ysize}, 1818 $rmp->{xsize}, $rmp->{ysize},
1273 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1819 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1820 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1296 1842
1297 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1843 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298} 1844}
1299 1845
1300# also paths starting with '/' 1846# also paths starting with '/'
1301$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1847$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302 1848
1303sub thawer_merge { 1849sub thawer_merge {
1304 my ($self, $merge) = @_; 1850 my ($self, $merge) = @_;
1305 1851
1306 # we have to keep some variables in memory intact 1852 # we have to keep some variables in memory intact
1307 local $self->{path}; 1853 local $self->{path};
1308 local $self->{load_path}; 1854 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1855
1312 $self->SUPER::thawer_merge ($merge); 1856 $self->SUPER::thawer_merge ($merge);
1313} 1857}
1314 1858
1315sub normalise { 1859sub normalise {
… …
1362 $self->init; # pass $1 etc. 1906 $self->init; # pass $1 etc.
1363 return $self; 1907 return $self;
1364 } 1908 }
1365 } 1909 }
1366 1910
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1911 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1912 ()
1369} 1913}
1370 1914
1371sub init { 1915sub init {
1372 my ($self) = @_; 1916 my ($self) = @_;
… …
1394 1938
1395# the temporary/swap location 1939# the temporary/swap location
1396sub save_path { 1940sub save_path {
1397 my ($self) = @_; 1941 my ($self) = @_;
1398 1942
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1943 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1944 "$TMPDIR/$path.map"
1401} 1945}
1402 1946
1403# the unique path, undef == no special unique path 1947# the unique path, undef == no special unique path
1404sub uniq_path { 1948sub uniq_path {
1405 my ($self) = @_; 1949 my ($self) = @_;
1406 1950
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1951 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1952 "$UNIQUEDIR/$path"
1409} 1953}
1410 1954
1411# and all this just because we cannot iterate over 1955sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1956 my ($self) = @_;
1415 1957
1416 $_->change_map_light ($change) 1958 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1959
1960 $self->do_decay_objects;
1418} 1961}
1419 1962
1420sub unlink_save { 1963sub unlink_save {
1421 my ($self) = @_; 1964 my ($self) = @_;
1422 1965
… …
1427 1970
1428sub load_header_from($) { 1971sub load_header_from($) {
1429 my ($self, $path) = @_; 1972 my ($self, $path) = @_;
1430 1973
1431 utf8::encode $path; 1974 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1975 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1976 or return;
1977
1978 $self->_load_header ($f)
1979 or return;
1980
1981 local $MAP_LOADING{$self->{path}} = $self;
1982 $f->resolve_delayed_derefs;
1437 1983
1438 $self->{load_path} = $path; 1984 $self->{load_path} = $path;
1439 1985
1440 1 1986 1
1441} 1987}
… …
1480 $self->load_header_orig 2026 $self->load_header_orig
1481 or return; 2027 or return;
1482 $self->prepare_orig; 2028 $self->prepare_orig;
1483 } 2029 }
1484 2030
2031 $self->{deny_reset} = 1
2032 if $self->no_reset;
2033
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2034 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2035 unless $self->default_region;
1487 2036
1488 1 2037 1
1489} 2038}
… …
1492sub find { 2041sub find {
1493 my ($path, $origin) = @_; 2042 my ($path, $origin) = @_;
1494 2043
1495 $path = normalise $path, $origin && $origin->path; 2044 $path = normalise $path, $origin && $origin->path;
1496 2045
2046 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2047 my $guard2 = cf::lock_acquire "map_find:$path";
1498 2048
1499 $cf::MAP{$path} || do { 2049 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 2050 my $map = new_from_path cf::map $path
1502 or return; 2051 or return;
1503 2052
1504 $map->{last_save} = $cf::RUNTIME; 2053 $map->{last_save} = $cf::RUNTIME;
1505 2054
1506 $map->load_header 2055 $map->load_header
1507 or return; 2056 or return;
1508 2057
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2058 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2059 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2060 #$cf::WAIT_FOR_TICK->wait;
2061 undef $guard2;
2062 undef $guard1;
1512 $map->reset; 2063 $map->reset;
1513 undef $guard;
1514 return find $path; 2064 return find $path;
1515 } 2065 }
1516 2066
1517 $cf::MAP{$path} = $map 2067 $cf::MAP{$path} = $map
1518 } 2068 }
1519} 2069}
1520 2070
1521sub pre_load { } 2071sub pre_load { }
1522sub post_load { } 2072#sub post_load { } # XS
1523 2073
1524sub load { 2074sub load {
1525 my ($self) = @_; 2075 my ($self) = @_;
1526 2076
1527 local $self->{deny_reset} = 1; # loading can take a long time 2077 local $self->{deny_reset} = 1; # loading can take a long time
1528 2078
1529 my $path = $self->{path}; 2079 my $path = $self->{path};
1530 2080
1531 { 2081 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2082 my $guard = cf::lock_acquire "map_data:$path";
1533 2083
2084 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2085 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2086
1536 $self->in_memory (cf::MAP_LOADING); 2087 $self->in_memory (cf::MAP_LOADING);
1537 2088
1538 $self->alloc; 2089 $self->alloc;
1539 2090
1540 $self->pre_load; 2091 $self->pre_load;
1541 Coro::cede; 2092 cf::cede_to_tick;
1542 2093
2094 my $f = new_from_file cf::object::thawer $self->{load_path};
2095 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2096 $self->_load_objects ($f)
1544 or return; 2097 or return;
1545 2098
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2099 $self->post_load_original
1547 if delete $self->{load_original}; 2100 if delete $self->{load_original};
1548 2101
1549 if (my $uniq = $self->uniq_path) { 2102 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2103 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2104 unless (aio_stat $uniq) {
2105 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2106 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2107 $self->_load_objects ($f);
2108 $f->resolve_delayed_derefs;
2109 }
1554 } 2110 }
1555 } 2111 }
1556 2112
1557 Coro::cede; 2113 $f->resolve_delayed_derefs;
2114
2115 cf::cede_to_tick;
1558 # now do the right thing for maps 2116 # now do the right thing for maps
1559 $self->link_multipart_objects; 2117 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2118 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2119 unless $self->difficulty;
1562 Coro::cede; 2120 cf::cede_to_tick;
1563 2121
1564 unless ($self->{deny_activate}) { 2122 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2123 $self->decay_objects;
1566 $self->fix_auto_apply; 2124 $self->fix_auto_apply;
1567 $self->update_buttons; 2125 $self->update_buttons;
1568 Coro::cede; 2126 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2127 $self->activate;
1572 } 2128 }
1573 2129
2130 $self->{last_save} = $cf::RUNTIME;
2131 $self->last_access ($cf::RUNTIME);
2132
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2133 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2134 }
1576 2135
1577 $self->post_load; 2136 $self->post_load;
1578} 2137}
1579 2138
2139# customize the map for a given player, i.e.
2140# return the _real_ map. used by e.g. per-player
2141# maps to change the path to ~playername/mappath
1580sub customise_for { 2142sub customise_for {
1581 my ($self, $ob) = @_; 2143 my ($self, $ob) = @_;
1582 2144
1583 return find "~" . $ob->name . "/" . $self->{path} 2145 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2146 if $self->per_player;
1585 2147
2148# return find "?party/" . $ob->name . "/" . $self->{path}
2149# if $self->per_party;
2150
1586 $self 2151 $self
1587} 2152}
1588 2153
1589# find and load all maps in the 3x3 area around a map 2154# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2155sub load_neighbours {
1591 my ($map) = @_; 2156 my ($map) = @_;
1592 2157
1593 my @diag; # diagonal neighbours 2158 my @neigh; # diagonal neighbours
1594 2159
1595 for (0 .. 3) { 2160 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2161 my $neigh = $map->tile_path ($_)
1597 or next; 2162 or next;
1598 $neigh = find $neigh, $map 2163 $neigh = find $neigh, $map
1599 or next; 2164 or next;
1600 $neigh->load; 2165 $neigh->load;
1601 2166
2167 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2168 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2169 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2170 }
1605 2171
1606 for (@diag) { 2172 for (grep defined $_->[0], @neigh) {
2173 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2174 my $neigh = find $path, $origin
1608 or next; 2175 or next;
1609 $neigh->load; 2176 $neigh->load;
1610 } 2177 }
1611} 2178}
1612 2179
… …
1617} 2184}
1618 2185
1619sub do_load_sync { 2186sub do_load_sync {
1620 my ($map) = @_; 2187 my ($map) = @_;
1621 2188
2189 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2190 if $Coro::current == $Coro::main;
2191
1622 cf::sync_job { $map->load }; 2192 cf::sync_job { $map->load };
1623} 2193}
1624 2194
1625our %MAP_PREFETCH; 2195our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2196our $MAP_PREFETCHER = undef;
1627 2197
1628sub find_async { 2198sub find_async {
1629 my ($path, $origin) = @_; 2199 my ($path, $origin, $load) = @_;
1630 2200
1631 $path = normalise $path, $origin && $origin->{path}; 2201 $path = normalise $path, $origin && $origin->{path};
1632 2202
1633 if (my $map = $cf::MAP{$path}) { 2203 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2204 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2205 }
1636 2206
1637 undef $MAP_PREFETCH{$path}; 2207 $MAP_PREFETCH{$path} |= $load;
2208
1638 $MAP_PREFETCHER ||= cf::async { 2209 $MAP_PREFETCHER ||= cf::async {
2210 $Coro::current->{desc} = "map prefetcher";
2211
1639 while (%MAP_PREFETCH) { 2212 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2213 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2214 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2215 $map->load if $v;
2216 }
1644 2217
1645 delete $MAP_PREFETCH{$path}; 2218 delete $MAP_PREFETCH{$k};
1646 } 2219 }
1647 } 2220 }
1648 undef $MAP_PREFETCHER; 2221 undef $MAP_PREFETCHER;
1649 }; 2222 };
1650 $MAP_PREFETCHER->prio (6); 2223 $MAP_PREFETCHER->prio (6);
1651 2224
1652 () 2225 ()
1653} 2226}
1654 2227
2228# common code, used by both ->save and ->swapout
1655sub save { 2229sub _save {
1656 my ($self) = @_; 2230 my ($self) = @_;
1657
1658 my $lock = cf::lock_acquire "map_data:" . $self->path;
1659 2231
1660 $self->{last_save} = $cf::RUNTIME; 2232 $self->{last_save} = $cf::RUNTIME;
1661 2233
1662 return unless $self->dirty; 2234 return unless $self->dirty;
1663 2235
… …
1669 return if $self->{deny_save}; 2241 return if $self->{deny_save};
1670 2242
1671 local $self->{last_access} = $self->last_access;#d# 2243 local $self->{last_access} = $self->last_access;#d#
1672 2244
1673 cf::async { 2245 cf::async {
2246 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2247 $_->contr->save for $self->players;
1675 }; 2248 };
2249
2250 cf::get_slot 0.02;
1676 2251
1677 if ($uniq) { 2252 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2253 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2254 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2255 } else {
1681 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2256 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682 } 2257 }
1683} 2258}
1684 2259
2260sub save {
2261 my ($self) = @_;
2262
2263 my $lock = cf::lock_acquire "map_data:$self->{path}";
2264
2265 $self->_save;
2266}
2267
1685sub swap_out { 2268sub swap_out {
1686 my ($self) = @_; 2269 my ($self) = @_;
1687 2270
1688 # save first because save cedes
1689 $self->save;
1690
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2272
2273 return if $self->in_memory != cf::MAP_ACTIVE;
2274 return if $self->{deny_save};
1693 return if $self->players; 2275 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save};
1696 2276
2277 # first deactivate the map and "unlink" it from the core
2278 $self->deactivate;
2279 $_->clear_links_to ($self) for values %cf::MAP;
2280 $self->in_memory (cf::MAP_SWAPPED);
2281
2282 # then atomically save
2283 $self->_save;
2284
2285 # then free the map
1697 $self->clear; 2286 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2287}
1700 2288
1701sub reset_at { 2289sub reset_at {
1702 my ($self) = @_; 2290 my ($self) = @_;
1703 2291
1704 # TODO: safety, remove and allow resettable per-player maps 2292 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2293 return 1e99 if $self->{deny_reset};
1707 2294
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2295 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2296 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2297
… …
1721 my ($self) = @_; 2308 my ($self) = @_;
1722 2309
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2311
1725 return if $self->players; 2312 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2313
1728 warn "resetting map ", $self->path;#d# 2314 warn "resetting map ", $self->path, "\n";
1729 2315
1730 $self->in_memory (cf::MAP_SWAPPED); 2316 $self->in_memory (cf::MAP_SWAPPED);
1731 2317
1732 # need to save uniques path 2318 # need to save uniques path
1733 unless ($self->{deny_save}) { 2319 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2323 if $uniq;
1738 } 2324 }
1739 2325
1740 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1741 2327
2328 $self->deactivate;
2329 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2330 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2331
1746 $self->unlink_save; 2332 $self->unlink_save;
1747 $self->destroy; 2333 $self->destroy;
1748} 2334}
1749 2335
1750my $nuke_counter = "aaaa"; 2336my $nuke_counter = "aaaa";
1751 2337
1752sub nuke { 2338sub nuke {
1753 my ($self) = @_; 2339 my ($self) = @_;
1754 2340
2341 {
2342 my $lock = cf::lock_acquire "map_data:$self->{path}";
2343
1755 delete $cf::MAP{$self->path}; 2344 delete $cf::MAP{$self->path};
1756 2345
1757 $self->unlink_save; 2346 $self->unlink_save;
1758 2347
1759 bless $self, "cf::map"; 2348 bless $self, "cf::map::wrap";
1760 delete $self->{deny_reset}; 2349 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2350 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2351 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2352 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2353
1765 $cf::MAP{$self->path} = $self; 2354 $cf::MAP{$self->path} = $self;
2355 }
1766 2356
1767 $self->reset; # polite request, might not happen 2357 $self->reset; # polite request, might not happen
2358}
2359
2360=item $maps = cf::map::tmp_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363maps. May block.
2364
2365=cut
2366
2367sub tmp_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise $_
2373 : ()
2374 } @{ aio_readdir $TMPDIR or [] }
2375 ]
2376}
2377
2378=item $maps = cf::map::random_maps
2379
2380Returns an arrayref with all map paths of currently instantiated and saved
2381random maps. May block.
2382
2383=cut
2384
2385sub random_maps() {
2386 [
2387 map {
2388 utf8::decode $_;
2389 /\.map$/
2390 ? normalise "?random/$_"
2391 : ()
2392 } @{ aio_readdir $RANDOMDIR or [] }
2393 ]
1768} 2394}
1769 2395
1770=item cf::map::unique_maps 2396=item cf::map::unique_maps
1771 2397
1772Returns an arrayref of paths of all shared maps that have 2398Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2399instantiated unique items. May block.
1774 2400
1775=cut 2401=cut
1776 2402
1777sub unique_maps() { 2403sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2404 [
1779 or return; 2405 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2406 utf8::decode $_;
1785 next if /\.pst$/; 2407 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2408 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2409 ? ()
1788 push @paths, cf::map::normalise $_; 2410 : normalise $_
2411 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2412 ]
1790
1791 \@paths
1792} 2413}
1793 2414
1794package cf; 2415=item cf::map::static_maps
2416
2417Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2418file in the shared directory excluding F</styles> and F</editor>). May
2419block.
2420
2421=cut
2422
2423sub static_maps() {
2424 my @dirs = "";
2425 my @maps;
2426
2427 while (@dirs) {
2428 my $dir = shift @dirs;
2429
2430 next if $dir eq "/styles" || $dir eq "/editor";
2431
2432 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2433 or return;
2434
2435 for (@$files) {
2436 s/\.map$// or next;
2437 utf8::decode $_;
2438 push @maps, "$dir/$_";
2439 }
2440
2441 push @dirs, map "$dir/$_", @$dirs;
2442 }
2443
2444 \@maps
2445}
1795 2446
1796=back 2447=back
1797 2448
1798=head3 cf::object 2449=head3 cf::object
1799 2450
… …
1803 2454
1804=over 4 2455=over 4
1805 2456
1806=item $ob->inv_recursive 2457=item $ob->inv_recursive
1807 2458
1808Returns the inventory of the object _and_ their inventories, recursively. 2459Returns the inventory of the object I<and> their inventories, recursively,
2460but I<not> the object itself.
1809 2461
1810=cut 2462=cut
1811 2463
1812sub inv_recursive_; 2464sub inv_recursive_;
1813sub inv_recursive_ { 2465sub inv_recursive_ {
… …
1816 2468
1817sub inv_recursive { 2469sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2470 inv_recursive_ inv $_[0]
1819} 2471}
1820 2472
2473=item $ref = $ob->ref
2474
2475Creates and returns a persistent reference to an object that can be stored as a string.
2476
2477=item $ob = cf::object::deref ($refstring)
2478
2479returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2480even if the object actually exists. May block.
2481
2482=cut
2483
2484sub deref {
2485 my ($ref) = @_;
2486
2487 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2488 my ($uuid, $name) = ($1, $2);
2489 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2490 or return;
2491 $pl->ob->uuid eq $uuid
2492 or return;
2493
2494 $pl->ob
2495 } else {
2496 warn "$ref: cannot resolve object reference\n";
2497 undef
2498 }
2499}
2500
1821package cf; 2501package cf;
1822 2502
1823=back 2503=back
1824 2504
1825=head3 cf::object::player 2505=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2511Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2512can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2513dialogue with the given NPC character.
1834 2514
1835=cut 2515=cut
2516
2517our $SAY_CHANNEL = {
2518 id => "say",
2519 title => "Map",
2520 reply => "say ",
2521 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2522};
2523
2524our $CHAT_CHANNEL = {
2525 id => "chat",
2526 title => "Chat",
2527 reply => "chat ",
2528 tooltip => "Player chat and shouts, global to the server.",
2529};
1836 2530
1837# rough implementation of a future "reply" method that works 2531# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2532# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2533#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2534sub cf::object::player::reply($$$;$) {
… …
1842 2536
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2537 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2538
1845 if ($self->{record_replies}) { 2539 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2540 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2541
1847 } else { 2542 } else {
2543 my $pl = $self->contr;
2544
2545 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2546 my $dialog = $pl->{npc_dialog};
2547 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2548
2549 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2550 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2551 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2552 }
1850 } 2553 }
2554}
2555
2556=item $object->send_msg ($channel, $msg, $color, [extra...])
2557
2558=cut
2559
2560sub cf::object::send_msg {
2561 my $pl = shift->contr
2562 or return;
2563 $pl->send_msg (@_);
1851} 2564}
1852 2565
1853=item $player_object->may ("access") 2566=item $player_object->may ("access")
1854 2567
1855Returns wether the given player is authorized to access resource "access" 2568Returns wether the given player is authorized to access resource "access"
… …
1868 2581
1869=item $player_object->enter_link 2582=item $player_object->enter_link
1870 2583
1871Freezes the player and moves him/her to a special map (C<{link}>). 2584Freezes the player and moves him/her to a special map (C<{link}>).
1872 2585
1873The player should be reasonably safe there for short amounts of time. You 2586The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2587for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2588though, as the palyer cannot control the character while it is on the link
2589map.
1875 2590
1876Will never block. 2591Will never block.
1877 2592
1878=item $player_object->leave_link ($map, $x, $y) 2593=item $player_object->leave_link ($map, $x, $y)
1879 2594
… …
1902 $self->deactivate_recursive; 2617 $self->deactivate_recursive;
1903 2618
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2619 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2620
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2621 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2622 if $self->map && $self->map->{path} ne "{link}";
1908 2623
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2624 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1910} 2625}
1911 2626
1912sub cf::object::player::leave_link { 2627sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2628 my ($self, $map, $x, $y) = @_;
2629
2630 return unless $self->contr->active;
1914 2631
1915 my $link_pos = delete $self->{_link_pos}; 2632 my $link_pos = delete $self->{_link_pos};
1916 2633
1917 unless ($map) { 2634 unless ($map) {
1918 # restore original map position 2635 # restore original map position
… …
1929 ($x, $y) = (-1, -1) 2646 ($x, $y) = (-1, -1)
1930 unless (defined $x) && (defined $y); 2647 unless (defined $x) && (defined $y);
1931 2648
1932 # use -1 or undef as default coordinates, not 0, 0 2649 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2650 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2651 if $x <= 0 && $y <= 0;
1935 2652
1936 $map->load; 2653 $map->load;
1937 $map->load_diag; 2654 $map->load_neighbours;
1938 2655
1939 return unless $self->contr->active; 2656 return unless $self->contr->active;
1940 $self->activate_recursive;
1941 2657
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2658 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2659 $self->enter_map ($map, $x, $y);
1944}
1945 2660
1946cf::player->attach ( 2661 # only activate afterwards, to support waiting in hooks
1947 on_logout => sub { 2662 $self->activate_recursive
1948 my ($pl) = @_; 2663 unless exists $self->{_link_pos}; # maybe we re in-flight again
2664}
1949 2665
1950 # abort map switching before logout 2666=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951 if ($pl->ob->{_link_pos}) {
1952 cf::sync_job {
1953 $pl->ob->leave_link
1954 };
1955 }
1956 },
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2667
1960 # try to abort aborted map switching on player login :) 2668Moves the player to the given map-path and coordinates by first freezing
1961 # should happen only on crashes 2669her, loading and preparing them map, calling the provided $check callback
1962 if ($pl->ob->{_link_pos}) { 2670that has to return the map if sucecssful, and then unfreezes the player on
1963 $pl->ob->enter_link; 2671the new (success) or old (failed) map position. In either case, $done will
1964 (async { 2672be called at the end of this process.
1965 $pl->ob->reply (undef,
1966 "There was an internal problem at your last logout, "
1967 . "the server will try to bring you to your intended destination in a second.",
1968 cf::NDI_RED);
1969 # we need this sleep as the login has a concurrent enter_exit running
1970 # and this sleep increases chances of the player not ending up in scorn
1971 Coro::Timer::sleep 1;
1972 $pl->ob->leave_link;
1973 })->prio (2);
1974 }
1975 },
1976);
1977 2673
1978=item $player_object->goto ($path, $x, $y) 2674Note that $check will be called with a potentially non-loaded map, so if
2675it needs a loaded map it has to call C<< ->load >>.
1979 2676
1980=cut 2677=cut
2678
2679our $GOTOGEN;
1981 2680
1982sub cf::object::player::goto { 2681sub cf::object::player::goto {
1983 my ($self, $path, $x, $y) = @_; 2682 my ($self, $path, $x, $y, $check, $done) = @_;
2683
2684 # do generation counting so two concurrent goto's will be executed in-order
2685 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984 2686
1985 $self->enter_link; 2687 $self->enter_link;
1986 2688
1987 (async { 2689 (async {
2690 $Coro::current->{desc} = "player::goto $path $x $y";
2691
2692 # *tag paths override both path and x|y
2693 if ($path =~ /^\*(.*)$/) {
2694 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2695 my $ob = $obs[rand @obs];
2696
2697 # see if we actually can go there
2698 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2699 $ob = $obs[rand @obs];
2700 } else {
2701 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2702 }
2703 # else put us there anyways for now #d#
2704
2705 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2706 } else {
2707 ($path, $x, $y) = (undef, undef, undef);
2708 }
2709 }
2710
1988 my $map = eval { 2711 my $map = eval {
1989 my $map = cf::map::find $path; 2712 my $map = defined $path ? cf::map::find $path : undef;
2713
2714 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2715 $map = $map->customise_for ($self);
2716 $map = $check->($map) if $check && $map;
2717 } else {
2718 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2719 }
2720
1991 $map 2721 $map
2722 };
2723
2724 if ($@) {
2725 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2726 LOG llevError | logBacktrace, Carp::longmess $@;
1992 } or 2727 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2728
2729 if ($gen == $self->{_goto_generation}) {
2730 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2731 $self->leave_link ($map, $x, $y);
2732 }
2733
2734 $done->() if $done;
1996 })->prio (1); 2735 })->prio (1);
1997} 2736}
1998 2737
1999=item $player_object->enter_exit ($exit_object) 2738=item $player_object->enter_exit ($exit_object)
2000 2739
… …
2020} 2759}
2021 2760
2022sub prepare_random_map { 2761sub prepare_random_map {
2023 my ($exit) = @_; 2762 my ($exit) = @_;
2024 2763
2025 my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027 # all this does is basically replace the /! path by 2764 # all this does is basically replace the /! path by
2028 # a new random map path (?random/...) with a seed 2765 # a new random map path (?random/...) with a seed
2029 # that depends on the exit object 2766 # that depends on the exit object
2030 2767
2031 my $rmp = parse_random_map_params $exit->msg; 2768 my $rmp = parse_random_map_params $exit->msg;
… …
2033 if ($exit->map) { 2770 if ($exit->map) {
2034 $rmp->{region} = $exit->region->name; 2771 $rmp->{region} = $exit->region->name;
2035 $rmp->{origin_map} = $exit->map->path; 2772 $rmp->{origin_map} = $exit->map->path;
2036 $rmp->{origin_x} = $exit->x; 2773 $rmp->{origin_x} = $exit->x;
2037 $rmp->{origin_y} = $exit->y; 2774 $rmp->{origin_y} = $exit->y;
2775
2776 $exit->map->touch;
2038 } 2777 }
2039 2778
2040 $rmp->{random_seed} ||= $exit->random_seed; 2779 $rmp->{random_seed} ||= $exit->random_seed;
2041 2780
2042 my $data = cf::to_json $rmp; 2781 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043 my $md5 = Digest::MD5::md5_hex $data; 2782 my $md5 = Digest::MD5::md5_hex $data;
2044 my $meta = "$RANDOMDIR/$md5.meta"; 2783 my $meta = "$RANDOMDIR/$md5.meta";
2045 2784
2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2785 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047 aio_write $fh, 0, (length $data), $data, 0; 2786 aio_write $fh, 0, (length $data), $data, 0;
2048 undef $fh; 2787 undef $fh;
2049 aio_rename "$meta~", $meta; 2788 aio_rename "$meta~", $meta;
2050 2789
2790 my $slaying = "?random/$md5";
2791
2792 if ($exit->valid) {
2051 $exit->slaying ("?random/$md5"); 2793 $exit->slaying ("?random/$md5");
2052 $exit->msg (undef); 2794 $exit->msg (undef);
2795 }
2053 } 2796 }
2054} 2797}
2055 2798
2056sub cf::object::player::enter_exit { 2799sub cf::object::player::enter_exit {
2057 my ($self, $exit) = @_; 2800 my ($self, $exit) = @_;
2058 2801
2059 return unless $self->type == cf::PLAYER; 2802 return unless $self->type == cf::PLAYER;
2060 2803
2061 if ($exit->slaying eq "/!") {
2062 #TODO: this should de-fi-ni-te-ly not be a sync-job
2063 # the problem is that $exit might not survive long enough
2064 # so it needs to be done right now, right here
2065 cf::sync_job { prepare_random_map $exit };
2066 }
2067
2068 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069 my $hp = $exit->stats->hp;
2070 my $sp = $exit->stats->sp;
2071
2072 $self->enter_link; 2804 $self->enter_link;
2073 2805
2074 (async { 2806 (async {
2075 $self->deactivate_recursive; # just to be sure 2807 $Coro::current->{desc} = "enter_exit";
2808
2076 unless (eval { 2809 unless (eval {
2810 $self->deactivate_recursive; # just to be sure
2811
2812 # random map handling
2813 {
2814 my $guard = cf::lock_acquire "exit_prepare:$exit";
2815
2816 prepare_random_map $exit
2817 if $exit->slaying eq "/!";
2818 }
2819
2820 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2821 my $x = $exit->stats->hp;
2822 my $y = $exit->stats->sp;
2823
2077 $self->goto ($slaying, $hp, $sp); 2824 $self->goto ($map, $x, $y);
2078 2825
2826 # if exit is damned, update players death & WoR home-position
2827 $self->contr->savebed ($map, $x, $y)
2828 if $exit->flag (cf::FLAG_DAMNED);
2829
2079 1; 2830 1
2080 }) { 2831 }) {
2081 $self->message ("Something went wrong deep within the crossfire server. " 2832 $self->message ("Something went wrong deep within the deliantra server. "
2082 . "I'll try to bring you back to the map you were before. " 2833 . "I'll try to bring you back to the map you were before. "
2083 . "Please report this to the dungeon master!", 2834 . "Please report this to the dungeon master!",
2084 cf::NDI_UNIQUE | cf::NDI_RED); 2835 cf::NDI_UNIQUE | cf::NDI_RED);
2085 2836
2086 warn "ERROR in enter_exit: $@"; 2837 warn "ERROR in enter_exit: $@";
… …
2105 2856
2106 utf8::encode $text; 2857 utf8::encode $text;
2107 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2858 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108} 2859}
2109 2860
2861=item $client->send_big_packet ($pkt)
2862
2863Like C<send_packet>, but tries to compress large packets, and fragments
2864them as required.
2865
2866=cut
2867
2868our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2869
2870sub cf::client::send_big_packet {
2871 my ($self, $pkt) = @_;
2872
2873 # try lzf for large packets
2874 $pkt = "lzf " . Compress::LZF::compress $pkt
2875 if 1024 <= length $pkt and $self->{can_lzf};
2876
2877 # split very large packets
2878 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2879 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2880 $pkt = "frag";
2881 }
2882
2883 $self->send_packet ($pkt);
2884}
2885
2886=item $client->send_msg ($channel, $msg, $color, [extra...])
2887
2888Send a drawinfo or msg packet to the client, formatting the msg for the
2889client if neccessary. C<$type> should be a string identifying the type of
2890the message, with C<log> being the default. If C<$color> is negative, suppress
2891the message unless the client supports the msg packet.
2892
2893=cut
2894
2895# non-persistent channels (usually the info channel)
2896our %CHANNEL = (
2897 "c/motd" => {
2898 id => "infobox",
2899 title => "MOTD",
2900 reply => undef,
2901 tooltip => "The message of the day",
2902 },
2903 "c/identify" => {
2904 id => "infobox",
2905 title => "Identify",
2906 reply => undef,
2907 tooltip => "Items recently identified",
2908 },
2909 "c/examine" => {
2910 id => "infobox",
2911 title => "Examine",
2912 reply => undef,
2913 tooltip => "Signs and other items you examined",
2914 },
2915 "c/shopinfo" => {
2916 id => "infobox",
2917 title => "Shop Info",
2918 reply => undef,
2919 tooltip => "What your bargaining skill tells you about the shop",
2920 },
2921 "c/book" => {
2922 id => "infobox",
2923 title => "Book",
2924 reply => undef,
2925 tooltip => "The contents of a note or book",
2926 },
2927 "c/lookat" => {
2928 id => "infobox",
2929 title => "Look",
2930 reply => undef,
2931 tooltip => "What you saw there",
2932 },
2933 "c/who" => {
2934 id => "infobox",
2935 title => "Players",
2936 reply => undef,
2937 tooltip => "Shows players who are currently online",
2938 },
2939 "c/body" => {
2940 id => "infobox",
2941 title => "Body Parts",
2942 reply => undef,
2943 tooltip => "Shows which body parts you posess and are available",
2944 },
2945 "c/statistics" => {
2946 id => "infobox",
2947 title => "Statistics",
2948 reply => undef,
2949 tooltip => "Shows your primary statistics",
2950 },
2951 "c/skills" => {
2952 id => "infobox",
2953 title => "Skills",
2954 reply => undef,
2955 tooltip => "Shows your experience per skill and item power",
2956 },
2957 "c/shopitems" => {
2958 id => "infobox",
2959 title => "Shop Items",
2960 reply => undef,
2961 tooltip => "Shows the items currently for sale in this shop",
2962 },
2963 "c/resistances" => {
2964 id => "infobox",
2965 title => "Resistances",
2966 reply => undef,
2967 tooltip => "Shows your resistances",
2968 },
2969 "c/pets" => {
2970 id => "infobox",
2971 title => "Pets",
2972 reply => undef,
2973 tooltip => "Shows information abotu your pets/a specific pet",
2974 },
2975 "c/perceiveself" => {
2976 id => "infobox",
2977 title => "Perceive Self",
2978 reply => undef,
2979 tooltip => "You gained detailed knowledge about yourself",
2980 },
2981 "c/uptime" => {
2982 id => "infobox",
2983 title => "Uptime",
2984 reply => undef,
2985 tooltip => "How long the server has been running since last restart",
2986 },
2987 "c/mapinfo" => {
2988 id => "infobox",
2989 title => "Map Info",
2990 reply => undef,
2991 tooltip => "Information related to the maps",
2992 },
2993 "c/party" => {
2994 id => "party",
2995 title => "Party",
2996 reply => "gsay ",
2997 tooltip => "Messages and chat related to your party",
2998 },
2999 "c/death" => {
3000 id => "death",
3001 title => "Death",
3002 reply => undef,
3003 tooltip => "Reason for and more info about your most recent death",
3004 },
3005 "c/say" => $SAY_CHANNEL,
3006 "c/chat" => $CHAT_CHANNEL,
3007);
3008
3009sub cf::client::send_msg {
3010 my ($self, $channel, $msg, $color, @extra) = @_;
3011
3012 $msg = $self->pl->expand_cfpod ($msg)
3013 unless $color & cf::NDI_VERBATIM;
3014
3015 $color &= cf::NDI_CLIENT_MASK; # just in case...
3016
3017 # check predefined channels, for the benefit of C
3018 if ($CHANNEL{$channel}) {
3019 $channel = $CHANNEL{$channel};
3020
3021 $self->ext_msg (channel_info => $channel);
3022 $channel = $channel->{id};
3023
3024 } elsif (ref $channel) {
3025 # send meta info to client, if not yet sent
3026 unless (exists $self->{channel}{$channel->{id}}) {
3027 $self->{channel}{$channel->{id}} = $channel;
3028 $self->ext_msg (channel_info => $channel);
3029 }
3030
3031 $channel = $channel->{id};
3032 }
3033
3034 return unless @extra || length $msg;
3035
3036 # default colour, mask it out
3037 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3038 if $color & cf::NDI_DEF;
3039
3040 my $pkt = "msg "
3041 . $self->{json_coder}->encode (
3042 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3043 );
3044
3045 $self->send_big_packet ($pkt);
3046}
3047
2110=item $client->ext_event ($type, %msg) 3048=item $client->ext_msg ($type, @msg)
2111 3049
2112Sends an exti event to the client. 3050Sends an ext event to the client.
2113 3051
2114=cut 3052=cut
2115 3053
2116sub cf::client::ext_event($$%) { 3054sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 3055 my ($self, $type, @msg) = @_;
2118 3056
3057 if ($self->extcmd == 2) {
3058 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3059 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 3060 push @msg, msgtype => "event_$type";
2120 $self->send_packet ("ext " . cf::to_json \%msg); 3061 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3062 }
3063}
3064
3065=item $client->ext_reply ($msgid, @msg)
3066
3067Sends an ext reply to the client.
3068
3069=cut
3070
3071sub cf::client::ext_reply($$@) {
3072 my ($self, $id, @msg) = @_;
3073
3074 if ($self->extcmd == 2) {
3075 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3076 } elsif ($self->extcmd == 1) {
3077 #TODO: version 1, remove
3078 unshift @msg, msgtype => "reply", msgid => $id;
3079 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3080 }
2121} 3081}
2122 3082
2123=item $success = $client->query ($flags, "text", \&cb) 3083=item $success = $client->query ($flags, "text", \&cb)
2124 3084
2125Queues a query to the client, calling the given callback with 3085Queues a query to the client, calling the given callback with
2126the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3086the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3087C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128 3088
2129Queries can fail, so check the return code. Or don't, as queries will become 3089Queries can fail, so check the return code. Or don't, as queries will
2130reliable at some point in the future. 3090become reliable at some point in the future.
2131 3091
2132=cut 3092=cut
2133 3093
2134sub cf::client::query { 3094sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 3095 my ($self, $flags, $text, $cb) = @_;
… …
2143 utf8::encode $text; 3103 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3104 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 3105
2146 $self->send_packet ($self->{query_queue}[0][0]) 3106 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 3107 if @{ $self->{query_queue} } == 1;
3108
3109 1
2148} 3110}
2149 3111
2150cf::client->attach ( 3112cf::client->attach (
3113 on_connect => sub {
3114 my ($ns) = @_;
3115
3116 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3117 },
2151 on_reply => sub { 3118 on_reply => sub {
2152 my ($ns, $msg) = @_; 3119 my ($ns, $msg) = @_;
2153 3120
2154 # this weird shuffling is so that direct followup queries 3121 # this weird shuffling is so that direct followup queries
2155 # get handled first 3122 # get handled first
… …
2167 } else { 3134 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3135 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 3136 }
2170 } 3137 }
2171 }, 3138 },
3139 on_exticmd => sub {
3140 my ($ns, $buf) = @_;
3141
3142 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3143
3144 if (ref $msg) {
3145 my ($type, $reply, @payload) =
3146 "ARRAY" eq ref $msg
3147 ? @$msg
3148 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3149
3150 my @reply;
3151
3152 if (my $cb = $EXTICMD{$type}) {
3153 @reply = $cb->($ns, @payload);
3154 }
3155
3156 $ns->ext_reply ($reply, @reply)
3157 if $reply;
3158
3159 } else {
3160 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3161 }
3162
3163 cf::override;
3164 },
2172); 3165);
2173 3166
2174=item $client->async (\&cb) 3167=item $client->async (\&cb)
2175 3168
2176Create a new coroutine, running the specified callback. The coroutine will 3169Create a new coroutine, running the specified callback. The coroutine will
… …
2192 3185
2193 $coro 3186 $coro
2194} 3187}
2195 3188
2196cf::client->attach ( 3189cf::client->attach (
2197 on_destroy => sub { 3190 on_client_destroy => sub {
2198 my ($ns) = @_; 3191 my ($ns) = @_;
2199 3192
2200 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3193 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201 }, 3194 },
2202); 3195);
… …
2217our $safe = new Safe "safe"; 3210our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 3211our $safe_hole = new Safe::Hole;
2219 3212
2220$SIG{FPE} = 'IGNORE'; 3213$SIG{FPE} = 'IGNORE';
2221 3214
2222$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3215$safe->permit_only (Opcode::opset qw(
3216 :base_core :base_mem :base_orig :base_math :base_loop
3217 grepstart grepwhile mapstart mapwhile
3218 sort time
3219));
2223 3220
2224# here we export the classes and methods available to script code 3221# here we export the classes and methods available to script code
2225 3222
2226=pod 3223=pod
2227 3224
2228The following functions and methods are available within a safe environment: 3225The following functions and methods are available within a safe environment:
2229 3226
2230 cf::object contr pay_amount pay_player map 3227 cf::object
3228 contr pay_amount pay_player map x y force_find force_add destroy
3229 insert remove name archname title slaying race decrease split
3230 value
3231
2231 cf::object::player player 3232 cf::object::player
2232 cf::player peaceful 3233 player
2233 cf::map trigger 3234
3235 cf::player
3236 peaceful
3237
3238 cf::map
3239 trigger
2234 3240
2235=cut 3241=cut
2236 3242
2237for ( 3243for (
2238 ["cf::object" => qw(contr pay_amount pay_player map)], 3244 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3245 insert remove inv nrof name archname title slaying race
3246 decrease split destroy change_exp value msg lore send_msg)],
2239 ["cf::object::player" => qw(player)], 3247 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 3248 ["cf::player" => qw(peaceful send_msg)],
2241 ["cf::map" => qw(trigger)], 3249 ["cf::map" => qw(trigger)],
2242) { 3250) {
2243 no strict 'refs'; 3251 no strict 'refs';
2244 my ($pkg, @funs) = @$_; 3252 my ($pkg, @funs) = @$_;
2245 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3253 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2263 3271
2264 my $qcode = $code; 3272 my $qcode = $code;
2265 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3273 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2266 $qcode =~ s/\n/\\n/g; 3274 $qcode =~ s/\n/\\n/g;
2267 3275
3276 %vars = (_dummy => 0) unless %vars;
3277
3278 my @res;
2268 local $_; 3279 local $_;
2269 local @safe::cf::_safe_eval_args = values %vars;
2270 3280
2271 my $eval = 3281 my $eval =
2272 "do {\n" 3282 "do {\n"
2273 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3283 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274 . "#line 0 \"{$qcode}\"\n" 3284 . "#line 0 \"{$qcode}\"\n"
2275 . $code 3285 . $code
2276 . "\n}" 3286 . "\n}"
2277 ; 3287 ;
2278 3288
3289 if ($CFG{safe_eval}) {
2279 sub_generation_inc; 3290 sub_generation_inc;
3291 local @safe::cf::_safe_eval_args = values %vars;
2280 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3292 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281 sub_generation_inc; 3293 sub_generation_inc;
3294 } else {
3295 local @cf::_safe_eval_args = values %vars;
3296 @res = wantarray ? eval eval : scalar eval $eval;
3297 }
2282 3298
2283 if ($@) { 3299 if ($@) {
2284 warn "$@"; 3300 warn "$@";
2285 warn "while executing safe code '$code'\n"; 3301 warn "while executing safe code '$code'\n";
2286 warn "with arguments " . (join " ", %vars) . "\n"; 3302 warn "with arguments " . (join " ", %vars) . "\n";
… …
2305=cut 3321=cut
2306 3322
2307sub register_script_function { 3323sub register_script_function {
2308 my ($fun, $cb) = @_; 3324 my ($fun, $cb) = @_;
2309 3325
2310 no strict 'refs'; 3326 $fun = "safe::$fun" if $CFG{safe_eval};
2311 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3327 *$fun = $safe_hole->wrap ($cb);
2312} 3328}
2313 3329
2314=back 3330=back
2315 3331
2316=cut 3332=cut
2317
2318#############################################################################
2319
2320=head2 EXTENSION DATABASE SUPPORT
2321
2322Crossfire maintains a very simple database for extension use. It can
2323currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324convert to/from binary).
2325
2326The parameter C<$family> should best start with the name of the extension
2327using it, it should be unique.
2328
2329=over 4
2330
2331=item $value = cf::db_get $family => $key
2332
2333Returns a single value from the database.
2334
2335=item cf::db_put $family => $key => $value
2336
2337Stores the given C<$value> in the family.
2338
2339=cut
2340
2341our $DB;
2342
2343sub db_init {
2344 unless ($DB) {
2345 $DB = BDB::db_create $DB_ENV;
2346
2347 cf::sync_job {
2348 eval {
2349 $DB->set_flags (BDB::CHKSUM);
2350
2351 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353 cf::cleanup "db_open(db): $!" if $!;
2354 };
2355 cf::cleanup "db_open(db): $@" if $@;
2356 };
2357 }
2358}
2359
2360sub db_get($$) {
2361 my $key = "$_[0]/$_[1]";
2362
2363 cf::sync_job {
2364 BDB::db_get $DB, undef, $key, my $data;
2365
2366 $! ? ()
2367 : $data
2368 }
2369}
2370
2371sub db_put($$$) {
2372 BDB::dbreq_pri 4;
2373 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374}
2375
2376=item cf::cache $id => [$paths...], $processversion => $process
2377
2378Generic caching function that returns the value of the resource $id,
2379caching and regenerating as required.
2380
2381This function can block.
2382
2383=cut
2384
2385sub cache {
2386 my ($id, $src, $processversion, $process) = @_;
2387
2388 my $meta =
2389 join "\x00",
2390 $processversion,
2391 map {
2392 aio_stat $_
2393 and Carp::croak "$_: $!";
2394
2395 ($_, (stat _)[7,9])
2396 } @$src;
2397
2398 my $dbmeta = db_get cache => "$id/meta";
2399 if ($dbmeta ne $meta) {
2400 # changed, we may need to process
2401
2402 my @data;
2403 my $md5;
2404
2405 for (0 .. $#$src) {
2406 0 <= aio_load $src->[$_], $data[$_]
2407 or Carp::croak "$src->[$_]: $!";
2408 }
2409
2410 # if processing is expensive, check
2411 # checksum first
2412 if (1) {
2413 $md5 =
2414 join "\x00",
2415 $processversion,
2416 map {
2417 Coro::cede;
2418 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2419 } 0.. $#$src;
2420
2421
2422 my $dbmd5 = db_get cache => "$id/md5";
2423 if ($dbmd5 eq $md5) {
2424 db_put cache => "$id/meta", $meta;
2425
2426 return db_get cache => "$id/data";
2427 }
2428 }
2429
2430 my $t1 = Time::HiRes::time;
2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436 db_put cache => "$id/data", $data;
2437 db_put cache => "$id/md5" , $md5;
2438 db_put cache => "$id/meta", $meta;
2439
2440 return $data;
2441 }
2442
2443 db_get cache => "$id/data"
2444}
2445
2446=item fork_call { }, $args
2447
2448Executes the given code block with the given arguments in a seperate
2449process, returning the results. Everything must be serialisable with
2450Coro::Storable. May, of course, block. Note that the executed sub may
2451never block itself or use any form of Event handling.
2452
2453=cut
2454
2455sub fork_call(&@) {
2456 my ($cb, @args) = @_;
2457
2458# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459# or die "socketpair: $!";
2460 pipe my $fh1, my $fh2
2461 or die "pipe: $!";
2462
2463 if (my $pid = fork) {
2464 close $fh2;
2465
2466 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467 $res = Coro::Storable::thaw $res;
2468
2469 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471 die $$res unless "ARRAY" eq ref $res;
2472
2473 return wantarray ? @$res : $res->[-1];
2474 } else {
2475 reset_signals;
2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2478 eval {
2479 close $fh1;
2480
2481 my @res = eval { $cb->(@args) };
2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483 };
2484
2485 warn $@ if $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491 3333
2492############################################################################# 3334#############################################################################
2493# the server's init and main functions 3335# the server's init and main functions
2494 3336
2495sub load_facedata($) { 3337sub load_facedata($) {
2496 my ($path) = @_; 3338 my ($path) = @_;
3339
3340 # HACK to clear player env face cache, we need some signal framework
3341 # for this (global event?)
3342 %ext::player_env::MUSIC_FACE_CACHE = ();
3343
3344 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497 3345
2498 warn "loading facedata from $path\n"; 3346 warn "loading facedata from $path\n";
2499 3347
2500 my $facedata; 3348 my $facedata;
2501 0 < aio_load $path, $facedata 3349 0 < aio_load $path, $facedata
… …
2504 $facedata = Coro::Storable::thaw $facedata; 3352 $facedata = Coro::Storable::thaw $facedata;
2505 3353
2506 $facedata->{version} == 2 3354 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3355 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 3356
3357 # patch in the exptable
3358 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3359 $facedata->{resource}{"res/exp_table"} = {
3360 type => FT_RSRC,
3361 data => $exp_table,
3362 hash => (Digest::MD5::md5 $exp_table),
3363 };
3364 cf::cede_to_tick;
3365
2509 { 3366 {
2510 my $faces = $facedata->{faceinfo}; 3367 my $faces = $facedata->{faceinfo};
2511 3368
2512 while (my ($face, $info) = each %$faces) { 3369 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3370 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3371
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3372 cf::face::set_visibility $idx, $info->{visibility};
3373 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3374 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3375 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517 Coro::cede; 3376
3377 cf::cede_to_tick;
2518 } 3378 }
2519 3379
2520 while (my ($face, $info) = each %$faces) { 3380 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3381 next unless $info->{smooth};
3382
2522 my $idx = cf::face::find $face 3383 my $idx = cf::face::find $face
2523 or next; 3384 or next;
3385
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3386 if (my $smooth = cf::face::find $info->{smooth}) {
3387 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3388 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3389 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3390 warn "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3391 }
2529 Coro::cede; 3392
3393 cf::cede_to_tick;
2530 } 3394 }
2531 } 3395 }
2532 3396
2533 { 3397 {
2534 my $anims = $facedata->{animinfo}; 3398 my $anims = $facedata->{animinfo};
2535 3399
2536 while (my ($anim, $info) = each %$anims) { 3400 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3401 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3402 cf::cede_to_tick;
2539 } 3403 }
2540 3404
2541 cf::anim::invalidate_all; # d'oh 3405 cf::anim::invalidate_all; # d'oh
2542 } 3406 }
2543 3407
3408 {
3409 my $res = $facedata->{resource};
3410
3411 while (my ($name, $info) = each %$res) {
3412 if (defined $info->{type}) {
3413 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3414
3415 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3416 cf::face::set_type $idx, $info->{type};
3417 } else {
3418 $RESOURCE{$name} = $info;
3419 }
3420
3421 cf::cede_to_tick;
3422 }
3423 }
3424
3425 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3426
2544 1 3427 1
2545} 3428}
2546 3429
3430cf::global->attach (on_resource_update => sub {
3431 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3432 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3433
3434 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3435 my $sound = $soundconf->{compat}[$_]
3436 or next;
3437
3438 my $face = cf::face::find "sound/$sound->[1]";
3439 cf::sound::set $sound->[0] => $face;
3440 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3441 }
3442
3443 while (my ($k, $v) = each %{$soundconf->{event}}) {
3444 my $face = cf::face::find "sound/$v";
3445 cf::sound::set $k => $face;
3446 }
3447 }
3448});
3449
3450register_exticmd fx_want => sub {
3451 my ($ns, $want) = @_;
3452
3453 while (my ($k, $v) = each %$want) {
3454 $ns->fx_want ($k, $v);
3455 }
3456};
3457
3458sub load_resource_file($) {
3459 my $guard = lock_acquire "load_resource_file";
3460
3461 my $status = load_resource_file_ $_[0];
3462 get_slot 0.1, 100;
3463 cf::arch::commit_load;
3464
3465 $status
3466}
3467
2547sub reload_regions { 3468sub reload_regions {
3469 # HACK to clear player env face cache, we need some signal framework
3470 # for this (global event?)
3471 %ext::player_env::MUSIC_FACE_CACHE = ();
3472
2548 load_resource_file "$MAPDIR/regions" 3473 load_resource_file "$MAPDIR/regions"
2549 or die "unable to load regions file\n"; 3474 or die "unable to load regions file\n";
3475
3476 for (cf::region::list) {
3477 $_->{match} = qr/$_->{match}/
3478 if exists $_->{match};
3479 }
2550} 3480}
2551 3481
2552sub reload_facedata { 3482sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3483 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3484 or die "unable to load facedata\n";
… …
2565} 3495}
2566 3496
2567sub reload_resources { 3497sub reload_resources {
2568 warn "reloading resource files...\n"; 3498 warn "reloading resource files...\n";
2569 3499
2570 reload_regions;
2571 reload_facedata; 3500 reload_facedata;
2572 reload_archetypes; 3501 reload_archetypes;
3502 reload_regions;
2573 reload_treasures; 3503 reload_treasures;
2574 3504
2575 warn "finished reloading resource files\n"; 3505 warn "finished reloading resource files\n";
2576} 3506}
2577 3507
2578sub init { 3508sub reload_config {
2579 reload_resources; 3509 warn "reloading config file...\n";
2580}
2581 3510
2582sub cfg_load {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3511 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3512 or return;
2585 3513
2586 local $/; 3514 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3515 *CFG = YAML::XS::Load scalar <$fh>;
2588 3516
2589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3517 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590 3518
2591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3519 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3520 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2596 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3524 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2597 and die "WARNING: m(un)lockall failed: $!\n"; 3525 and die "WARNING: m(un)lockall failed: $!\n";
2598 }; 3526 };
2599 warn $@ if $@; 3527 warn $@ if $@;
2600 } 3528 }
3529
3530 warn "finished reloading resource files\n";
3531}
3532
3533sub pidfile() {
3534 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3535 or die "$PIDFILE: $!";
3536 flock $fh, &Fcntl::LOCK_EX
3537 or die "$PIDFILE: flock: $!";
3538 $fh
3539}
3540
3541# make sure only one server instance is running at any one time
3542sub atomic {
3543 my $fh = pidfile;
3544
3545 my $pid = <$fh>;
3546 kill 9, $pid if $pid > 0;
3547
3548 seek $fh, 0, 0;
3549 print $fh $$;
3550}
3551
3552sub main_loop {
3553 warn "EV::loop starting\n";
3554 if (1) {
3555 EV::loop;
3556 }
3557 warn "EV::loop returned\n";
3558 goto &main_loop unless $REALLY_UNLOOP;
2601} 3559}
2602 3560
2603sub main { 3561sub main {
3562 cf::init_globals; # initialise logging
3563
3564 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3565 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3566 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3567 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3568
3569 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3570
2604 # we must not ever block the main coroutine 3571 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3572 local $Coro::idle = sub {
2606 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3573 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607 (async { 3574 (async {
2608 Event::one_event; 3575 $Coro::current->{desc} = "IDLE BUG HANDLER";
3576 EV::loop EV::LOOP_ONESHOT;
2609 })->prio (Coro::PRIO_MAX); 3577 })->prio (Coro::PRIO_MAX);
2610 }; 3578 };
2611 3579
2612 cfg_load; 3580 evthread_start IO::AIO::poll_fileno;
3581
3582 cf::sync_job {
3583 cf::init_experience;
3584 cf::init_anim;
3585 cf::init_attackmess;
3586 cf::init_dynamic;
3587
3588 cf::load_settings;
3589 cf::load_materials;
3590
3591 reload_resources;
3592 reload_config;
2613 db_init; 3593 db_init;
3594
3595 cf::init_uuid;
3596 cf::init_signals;
3597 cf::init_skills;
3598
3599 cf::init_beforeplay;
3600
3601 atomic;
3602
2614 load_extensions; 3603 load_extensions;
2615 3604
2616 $TICK_WATCHER->start; 3605 utime time, time, $RUNTIMEFILE;
2617 Event::loop; 3606
3607 # no (long-running) fork's whatsoever before this point(!)
3608 use POSIX ();
3609 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3610
3611 (pop @POST_INIT)->(0) while @POST_INIT;
3612 };
3613
3614 cf::object::thawer::errors_are_fatal 0;
3615 warn "parse errors in files are no longer fatal from this point on.\n";
3616
3617 main_loop;
2618} 3618}
2619 3619
2620############################################################################# 3620#############################################################################
2621# initialisation and cleanup 3621# initialisation and cleanup
2622 3622
2623# install some emergency cleanup handlers 3623# install some emergency cleanup handlers
2624BEGIN { 3624BEGIN {
3625 our %SIGWATCHER = ();
2625 for my $signal (qw(INT HUP TERM)) { 3626 for my $signal (qw(INT HUP TERM)) {
2626 Event->signal ( 3627 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2627 reentrant => 0,
2628 data => WF_AUTOCANCEL,
2629 signal => $signal,
2630 prio => 0,
2631 cb => sub {
2632 cf::cleanup "SIG$signal"; 3628 cf::cleanup "SIG$signal";
2633 },
2634 ); 3629 };
3630 }
3631}
3632
3633sub write_runtime_sync {
3634 my $t0 = AE::time;
3635
3636 # first touch the runtime file to show we are still running:
3637 # the fsync below can take a very very long time.
3638
3639 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3640
3641 my $guard = cf::lock_acquire "write_runtime";
3642
3643 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3644 or return;
3645
3646 my $value = $cf::RUNTIME + 90 + 10;
3647 # 10 is the runtime save interval, for a monotonic clock
3648 # 60 allows for the watchdog to kill the server.
3649
3650 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3651 and return;
3652
3653 # always fsync - this file is important
3654 aio_fsync $fh
3655 and return;
3656
3657 # touch it again to show we are up-to-date
3658 aio_utime $fh, undef, undef;
3659
3660 close $fh
3661 or return;
3662
3663 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3664 and return;
3665
3666 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3667
2635 } 3668 1
3669}
3670
3671our $uuid_lock;
3672our $uuid_skip;
3673
3674sub write_uuid_sync($) {
3675 $uuid_skip ||= $_[0];
3676
3677 return if $uuid_lock;
3678 local $uuid_lock = 1;
3679
3680 my $uuid = "$LOCALDIR/uuid";
3681
3682 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3683 or return;
3684
3685 my $value = uuid_seq uuid_cur;
3686
3687 unless ($value) {
3688 warn "cowardly refusing to write zero uuid value!\n";
3689 return;
3690 }
3691
3692 my $value = uuid_str $value + $uuid_skip;
3693 $uuid_skip = 0;
3694
3695 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3696 and return;
3697
3698 # always fsync - this file is important
3699 aio_fsync $fh
3700 and return;
3701
3702 close $fh
3703 or return;
3704
3705 aio_rename "$uuid~", $uuid
3706 and return;
3707
3708 warn "uuid file written ($value).\n";
3709
3710 1
3711
3712}
3713
3714sub write_uuid($$) {
3715 my ($skip, $sync) = @_;
3716
3717 $sync ? write_uuid_sync $skip
3718 : async { write_uuid_sync $skip };
2636} 3719}
2637 3720
2638sub emergency_save() { 3721sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3722 my $freeze_guard = cf::freeze_mainloop;
2640 3723
2641 warn "enter emergency perl save\n"; 3724 warn "emergency_perl_save: enter\n";
2642 3725
2643 cf::sync_job { 3726 cf::sync_job {
3727 # this is a trade-off: we want to be very quick here, so
3728 # save all maps without fsync, and later call a global sync
3729 # (which in turn might be very very slow)
3730 local $USE_FSYNC = 0;
3731
2644 # use a peculiar iteration method to avoid tripping on perl 3732 # use a peculiar iteration method to avoid tripping on perl
2645 # refcount bugs in for. also avoids problems with players 3733 # refcount bugs in for. also avoids problems with players
2646 # and maps saved/destroyed asynchronously. 3734 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3735 warn "emergency_perl_save: begin player save\n";
2648 for my $login (keys %cf::PLAYER) { 3736 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3737 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3738 $pl->valid or next;
3739 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3740 $pl->save;
2652 } 3741 }
2653 warn "end emergency player save\n"; 3742 warn "emergency_perl_save: end player save\n";
2654 3743
2655 warn "begin emergency map save\n"; 3744 warn "emergency_perl_save: begin map save\n";
2656 for my $path (keys %cf::MAP) { 3745 for my $path (keys %cf::MAP) {
2657 my $map = $cf::MAP{$path} or next; 3746 my $map = $cf::MAP{$path} or next;
2658 $map->valid or next; 3747 $map->valid or next;
2659 $map->save; 3748 $map->save;
2660 } 3749 }
2661 warn "end emergency map save\n"; 3750 warn "emergency_perl_save: end map save\n";
2662 3751
2663 warn "begin emergency database checkpoint\n"; 3752 warn "emergency_perl_save: begin database checkpoint\n";
2664 BDB::db_env_txn_checkpoint $DB_ENV; 3753 BDB::db_env_txn_checkpoint $DB_ENV;
2665 warn "end emergency database checkpoint\n"; 3754 warn "emergency_perl_save: end database checkpoint\n";
3755
3756 warn "emergency_perl_save: begin write uuid\n";
3757 write_uuid_sync 1;
3758 warn "emergency_perl_save: end write uuid\n";
2666 }; 3759 };
2667 3760
3761 warn "emergency_perl_save: starting sync()\n";
3762 IO::AIO::aio_sync sub {
3763 warn "emergency_perl_save: finished sync()\n";
3764 };
3765
2668 warn "leave emergency perl save\n"; 3766 warn "emergency_perl_save: leave\n";
2669} 3767}
2670 3768
2671sub post_cleanup { 3769sub post_cleanup {
2672 my ($make_core) = @_; 3770 my ($make_core) = @_;
2673 3771
2674 warn Carp::longmess "post_cleanup backtrace" 3772 warn Carp::longmess "post_cleanup backtrace"
2675 if $make_core; 3773 if $make_core;
3774
3775 my $fh = pidfile;
3776 unlink $PIDFILE if <$fh> == $$;
3777}
3778
3779# a safer delete_package, copied from Symbol
3780sub clear_package($) {
3781 my $pkg = shift;
3782
3783 # expand to full symbol table name if needed
3784 unless ($pkg =~ /^main::.*::$/) {
3785 $pkg = "main$pkg" if $pkg =~ /^::/;
3786 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3787 $pkg .= '::' unless $pkg =~ /::$/;
3788 }
3789
3790 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3791 my $stem_symtab = *{$stem}{HASH};
3792
3793 defined $stem_symtab and exists $stem_symtab->{$leaf}
3794 or return;
3795
3796 # clear all symbols
3797 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3798 for my $name (keys %$leaf_symtab) {
3799 _gv_clear *{"$pkg$name"};
3800# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3801 }
2676} 3802}
2677 3803
2678sub do_reload_perl() { 3804sub do_reload_perl() {
2679 # can/must only be called in main 3805 # can/must only be called in main
2680 if ($Coro::current != $Coro::main) { 3806 if (in_main) {
2681 warn "can only reload from main coroutine"; 3807 warn "can only reload from main coroutine";
2682 return; 3808 return;
2683 } 3809 }
2684 3810
3811 return if $RELOAD++;
3812
3813 my $t1 = AE::time;
3814
3815 while ($RELOAD) {
2685 warn "reloading..."; 3816 warn "reloading...";
2686 3817
2687 warn "entering sync_job"; 3818 warn "entering sync_job";
2688 3819
2689 cf::sync_job { 3820 cf::sync_job {
2690 cf::write_runtime; # external watchdog should not bark 3821 cf::write_runtime_sync; # external watchdog should not bark
2691 cf::emergency_save; 3822 cf::emergency_save;
2692 cf::write_runtime; # external watchdog should not bark 3823 cf::write_runtime_sync; # external watchdog should not bark
2693 3824
2694 warn "syncing database to disk"; 3825 warn "syncing database to disk";
2695 BDB::db_env_txn_checkpoint $DB_ENV; 3826 BDB::db_env_txn_checkpoint $DB_ENV;
2696 3827
2697 # if anything goes wrong in here, we should simply crash as we already saved 3828 # if anything goes wrong in here, we should simply crash as we already saved
2698 3829
2699 warn "cancelling all WF_AUTOCANCEL watchers";
2700 for (Event::all_watchers) {
2701 $_->cancel if $_->data & WF_AUTOCANCEL;
2702 }
2703
2704 warn "flushing outstanding aio requests"; 3830 warn "flushing outstanding aio requests";
2705 for (;;) {
2706 BDB::flush;
2707 IO::AIO::flush;
2708 Coro::cede;
2709 last unless IO::AIO::nreqs || BDB::nreqs; 3831 while (IO::AIO::nreqs || BDB::nreqs) {
2710 warn "iterate..."; 3832 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711 }
2712
2713 ++$RELOAD;
2714
2715 warn "cancelling all extension coros";
2716 $_->cancel for values %EXT_CORO;
2717 %EXT_CORO = ();
2718
2719 warn "removing commands";
2720 %COMMAND = ();
2721
2722 warn "removing ext commands";
2723 %EXTCMD = ();
2724
2725 warn "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg";
2728
2729 if (my $cb = $pkg->can ("unload")) {
2730 eval {
2731 $cb->($pkg);
2732 1
2733 } or warn "$pkg unloaded, but with errors: $@";
2734 } 3833 }
2735 3834
2736 warn "... nuking $pkg"; 3835 warn "cancelling all extension coros";
2737 Symbol::delete_package $pkg; 3836 $_->cancel for values %EXT_CORO;
2738 } 3837 %EXT_CORO = ();
2739 3838
2740 warn "unloading all perl modules loaded from $LIBDIR"; 3839 warn "removing commands";
2741 while (my ($k, $v) = each %INC) { 3840 %COMMAND = ();
2742 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743 3841
3842 warn "removing ext/exti commands";
3843 %EXTCMD = ();
3844 %EXTICMD = ();
3845
3846 warn "unloading/nuking all extensions";
3847 for my $pkg (@EXTS) {
2744 warn "... unloading $k"; 3848 warn "... unloading $pkg";
2745 delete $INC{$k};
2746 3849
2747 $k =~ s/\.pm$//;
2748 $k =~ s/\//::/g;
2749
2750 if (my $cb = $k->can ("unload_module")) { 3850 if (my $cb = $pkg->can ("unload")) {
3851 eval {
2751 $cb->(); 3852 $cb->($pkg);
3853 1
3854 } or warn "$pkg unloaded, but with errors: $@";
3855 }
3856
3857 warn "... clearing $pkg";
3858 clear_package $pkg;
2752 } 3859 }
2753 3860
2754 Symbol::delete_package $k; 3861 warn "unloading all perl modules loaded from $LIBDIR";
3862 while (my ($k, $v) = each %INC) {
3863 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3864
3865 warn "... unloading $k";
3866 delete $INC{$k};
3867
3868 $k =~ s/\.pm$//;
3869 $k =~ s/\//::/g;
3870
3871 if (my $cb = $k->can ("unload_module")) {
3872 $cb->();
3873 }
3874
3875 clear_package $k;
2755 } 3876 }
2756 3877
2757 warn "getting rid of safe::, as good as possible"; 3878 warn "getting rid of safe::, as good as possible";
2758 Symbol::delete_package "safe::$_" 3879 clear_package "safe::$_"
2759 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3880 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760 3881
2761 warn "unloading cf.pm \"a bit\""; 3882 warn "unloading cf.pm \"a bit\"";
2762 delete $INC{"cf.pm"}; 3883 delete $INC{"cf.pm"};
2763 delete $INC{"cf/pod.pm"}; 3884 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764 3885
2765 # don't, removes xs symbols, too, 3886 # don't, removes xs symbols, too,
2766 # and global variables created in xs 3887 # and global variables created in xs
2767 #Symbol::delete_package __PACKAGE__; 3888 #clear_package __PACKAGE__;
2768 3889
2769 warn "unload completed, starting to reload now"; 3890 warn "unload completed, starting to reload now";
2770 3891
2771 warn "reloading cf.pm"; 3892 warn "reloading cf.pm";
2772 require cf; 3893 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3894 cf::_connect_to_perl_1;
2774 3895
2775 warn "loading config and database again"; 3896 warn "loading config and database again";
2776 cf::cfg_load; 3897 cf::reload_config;
2777 3898
2778 warn "loading extensions"; 3899 warn "loading extensions";
2779 cf::load_extensions; 3900 cf::load_extensions;
2780 3901
3902 if ($REATTACH_ON_RELOAD) {
2781 warn "reattaching attachments to objects/players"; 3903 warn "reattaching attachments to objects/players";
2782 _global_reattach; # objects, sockets 3904 _global_reattach; # objects, sockets
2783 warn "reattaching attachments to maps"; 3905 warn "reattaching attachments to maps";
2784 reattach $_ for values %MAP; 3906 reattach $_ for values %MAP;
2785 warn "reattaching attachments to players"; 3907 warn "reattaching attachments to players";
2786 reattach $_ for values %PLAYER; 3908 reattach $_ for values %PLAYER;
3909 }
2787 3910
3911 warn "running post_init jobs";
3912 (pop @POST_INIT)->(1) while @POST_INIT;
3913
2788 warn "leaving sync_job"; 3914 warn "leaving sync_job";
2789 3915
2790 1 3916 1
2791 } or do { 3917 } or do {
2792 warn $@; 3918 warn $@;
2793 warn "error while reloading, exiting."; 3919 cf::cleanup "error while reloading, exiting.";
2794 exit 1;
2795 }; 3920 };
2796 3921
2797 warn "reloaded"; 3922 warn "reloaded";
3923 --$RELOAD;
3924 }
3925
3926 $t1 = AE::time - $t1;
3927 warn "reload completed in ${t1}s\n";
2798}; 3928};
2799 3929
2800our $RELOAD_WATCHER; # used only during reload 3930our $RELOAD_WATCHER; # used only during reload
2801 3931
2802sub reload_perl() { 3932sub reload_perl() {
2803 # doing reload synchronously and two reloads happen back-to-back, 3933 # doing reload synchronously and two reloads happen back-to-back,
2804 # coro crashes during coro_state_free->destroy here. 3934 # coro crashes during coro_state_free->destroy here.
2805 3935
2806 $RELOAD_WATCHER ||= Event->timer ( 3936 $RELOAD_WATCHER ||= cf::async {
2807 reentrant => 0, 3937 Coro::AIO::aio_wait cache_extensions;
2808 after => 0, 3938
2809 data => WF_AUTOCANCEL, 3939 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810 cb => sub {
2811 do_reload_perl; 3940 do_reload_perl;
2812 undef $RELOAD_WATCHER; 3941 undef $RELOAD_WATCHER;
2813 }, 3942 };
2814 ); 3943 };
2815} 3944}
2816 3945
2817register_command "reload" => sub { 3946register_command "reload" => sub {
2818 my ($who, $arg) = @_; 3947 my ($who, $arg) = @_;
2819 3948
2820 if ($who->flag (FLAG_WIZ)) { 3949 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 3950 $who->message ("reloading server.");
3951 async {
3952 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 3953 reload_perl;
3954 };
2823 } 3955 }
2824}; 3956};
2825 3957
2826unshift @INC, $LIBDIR; 3958unshift @INC, $LIBDIR;
2827 3959
… …
2829 3961
2830our @WAIT_FOR_TICK; 3962our @WAIT_FOR_TICK;
2831our @WAIT_FOR_TICK_BEGIN; 3963our @WAIT_FOR_TICK_BEGIN;
2832 3964
2833sub wait_for_tick { 3965sub wait_for_tick {
2834 return unless $TICK_WATCHER->is_active;
2835 return if $Coro::current == $Coro::main; 3966 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2836 3967
2837 my $signal = new Coro::Signal; 3968 my $signal = new Coro::Signal;
2838 push @WAIT_FOR_TICK, $signal; 3969 push @WAIT_FOR_TICK, $signal;
2839 $signal->wait; 3970 $signal->wait;
2840} 3971}
2841 3972
2842sub wait_for_tick_begin { 3973sub wait_for_tick_begin {
2843 return unless $TICK_WATCHER->is_active;
2844 return if $Coro::current == $Coro::main; 3974 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2845 3975
2846 my $signal = new Coro::Signal; 3976 my $signal = new Coro::Signal;
2847 push @WAIT_FOR_TICK_BEGIN, $signal; 3977 push @WAIT_FOR_TICK_BEGIN, $signal;
2848 $signal->wait; 3978 $signal->wait;
2849} 3979}
2850 3980
2851$TICK_WATCHER = Event->timer ( 3981sub tick {
2852 reentrant => 0,
2853 parked => 1,
2854 prio => 0,
2855 at => $NEXT_TICK || $TICK,
2856 data => WF_AUTOCANCEL,
2857 cb => sub {
2858 if ($Coro::current != $Coro::main) { 3982 if ($Coro::current != $Coro::main) {
2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3983 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860 unless ++$bug_warning > 10; 3984 unless ++$bug_warning > 10;
2861 return; 3985 return;
2862 } 3986 }
2863 3987
2864 $NOW = $tick_start = Event::time;
2865
2866 cf::server_tick; # one server iteration 3988 cf::server_tick; # one server iteration
2867 3989
2868 $RUNTIME += $TICK; 3990 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2869 $NEXT_TICK += $TICK;
2870 3991
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3992 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 3993 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873 Coro::async_pool { 3994 Coro::async_pool {
3995 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 3996 write_runtime_sync
2875 or warn "ERROR: unable to write runtime file: $!"; 3997 or warn "ERROR: unable to write runtime file: $!";
2876 };
2877 } 3998 };
3999 }
2878 4000
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4001 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 4002 $sig->send;
2884 } 4003 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 4004 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 4005 $sig->send;
2887 } 4006 }
2888 4007
2889 $NOW = Event::time; 4008 $LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891 # if we are delayed by four ticks or more, skip them all
2892 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894 $TICK_WATCHER->at ($NEXT_TICK);
2895 $TICK_WATCHER->start;
2896
2897 $LOAD = ($NOW - $tick_start) / $TICK;
2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4009 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 4010
2900 _post_tick; 4011 if (0) {
2901 4012 if ($NEXT_TICK) {
2902 4013 my $jitter = $TICK_START - $NEXT_TICK;
4014 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4015 warn "jitter $JITTER\n";#d#
4016 }
2903 }, 4017 }
2904); 4018}
2905 4019
2906{ 4020{
2907 BDB::max_poll_time $TICK * 0.1; 4021 # configure BDB
2908 $BDB_POLL_WATCHER = Event->io ( 4022
2909 reentrant => 0,
2910 fd => BDB::poll_fileno,
2911 poll => 'r',
2912 prio => 0,
2913 data => WF_AUTOCANCEL,
2914 cb => \&BDB::poll_cb,
2915 );
2916 BDB::min_parallel 8; 4023 BDB::min_parallel 16;
2917 4024 BDB::max_poll_reqs $TICK * 0.1;
2918 BDB::set_sync_prepare { 4025 $AnyEvent::BDB::WATCHER->priority (1);
2919 my $status;
2920 my $current = $Coro::current;
2921 (
2922 sub {
2923 $status = $!;
2924 $current->ready; undef $current;
2925 },
2926 sub {
2927 Coro::schedule while defined $current;
2928 $! = $status;
2929 },
2930 )
2931 };
2932 4026
2933 unless ($DB_ENV) { 4027 unless ($DB_ENV) {
2934 $DB_ENV = BDB::db_env_create; 4028 $DB_ENV = BDB::db_env_create;
4029 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4030 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4031 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4032 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4033 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935 4034
2936 cf::sync_job { 4035 cf::sync_job {
2937 eval { 4036 eval {
2938 BDB::db_env_open 4037 BDB::db_env_open
2939 $DB_ENV, 4038 $DB_ENV,
… …
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4040 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4041 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 4042 0666;
2944 4043
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4044 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948 $DB_ENV->set_lk_detect;
2949 }; 4045 };
2950 4046
2951 cf::cleanup "db_env_open(db): $@" if $@; 4047 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 4048 };
2953 } 4049 }
4050
4051 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4052 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4053 };
4054 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4055 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4056 };
4057 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4058 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4059 };
2954} 4060}
2955 4061
2956{ 4062{
4063 # configure IO::AIO
4064
2957 IO::AIO::min_parallel 8; 4065 IO::AIO::min_parallel 8;
2958
2959 undef $Coro::AIO::WATCHER;
2960 IO::AIO::max_poll_time $TICK * 0.1; 4066 IO::AIO::max_poll_time $TICK * 0.1;
2961 $AIO_POLL_WATCHER = Event->io ( 4067 undef $AnyEvent::AIO::WATCHER;
2962 reentrant => 0,
2963 data => WF_AUTOCANCEL,
2964 fd => IO::AIO::poll_fileno,
2965 poll => 'r',
2966 prio => 6,
2967 cb => \&IO::AIO::poll_cb,
2968 );
2969} 4068}
2970 4069
2971my $_log_backtrace; 4070my $_log_backtrace;
2972 4071
2973sub _log_backtrace { 4072sub _log_backtrace {
… …
2976 $msg =~ s/\n//; 4075 $msg =~ s/\n//;
2977 4076
2978 # limit the # of concurrent backtraces 4077 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 4078 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 4079 ++$_log_backtrace;
4080 my $perl_bt = Carp::longmess $msg;
2981 async { 4081 async {
4082 $Coro::current->{desc} = "abt $msg";
4083
2982 my @bt = fork_call { 4084 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 4085 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4086 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4087 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986 or die "addr2line: $!"; 4088 or die "addr2line: $!";
… …
2994 } 4096 }
2995 4097
2996 @funcs 4098 @funcs
2997 }; 4099 };
2998 4100
2999 LOG llevInfo, "[ABT] $msg\n"; 4101 LOG llevInfo, "[ABT] $perl_bt\n";
4102 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000 LOG llevInfo, "[ABT] $_\n" for @bt; 4103 LOG llevInfo, "[ABT] $_\n" for @bt;
3001 --$_log_backtrace; 4104 --$_log_backtrace;
3002 }; 4105 };
3003 } else { 4106 } else {
3004 LOG llevInfo, "[ABT] $msg\n"; 4107 LOG llevInfo, "[ABT] $msg\n";
3005 LOG llevInfo, "[ABT] [suppressed]\n"; 4108 LOG llevInfo, "[ABT] [suppressed]\n";
3006 } 4109 }
3007} 4110}
3008 4111
3009# load additional modules 4112# load additional modules
3010use cf::pod; 4113require "cf/$_.pm" for @EXTRA_MODULES;
4114cf::_connect_to_perl_2;
3011 4115
3012END { cf::emergency_save } 4116END { cf::emergency_save }
3013 4117
30141 41181
3015 4119

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