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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your 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 GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.61 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
24 50
51use JSON::XS 2.01 ();
25use BDB (); 52use BDB ();
26use Data::Dumper; 53use Data::Dumper;
27use Digest::MD5; 54use Digest::MD5;
28use Fcntl; 55use Fcntl;
29use YAML::Syck (); 56use YAML ();
30use IO::AIO 2.32 (); 57use IO::AIO ();
31use Time::HiRes; 58use Time::HiRes;
32use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
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 74
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 76
49our %COMMAND = (); 77our %COMMAND = ();
50our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
51 79
52our @EXTS = (); # list of extension package names 80our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 81our %EXTCMD = ();
82our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
56 85
57our $RELOAD; # number of reloads so far 86our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 87our @EVENT;
59 88
60our $CONFDIR = confdir; 89our $CONFDIR = confdir;
61our $DATADIR = datadir; 90our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 91our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 92our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 93our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 94our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 95our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 98our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
103our %RESOURCE;
71 104
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 105our $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 106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 107our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 108our $USE_FSYNC = 1; # use fsync to write maps - default off
79 109
110our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 112our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 113our $DB_ENV;
82 114
83our %CFG; 115our %CFG;
84 116
85our $UPTIME; $UPTIME ||= time; 117our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 118our $RUNTIME;
119our $NOW;
87 120
88our %PLAYER; # all users 121our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 122our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 123our $LINK_MAP; # the special {link} map, which is always available
91 124
92# used to convert map paths into valid unix filenames by replacing / by ∕ 125# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 126our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 127
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 129our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 131our $TICK_START; # for load detecting purposes
132
133our @POST_INIT;
134
135our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98 136
99binmode STDOUT; 137binmode STDOUT;
100binmode STDERR; 138binmode STDERR;
101 139
102# read virtual server time, if available 140# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 141unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 142 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 143 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 144 $RUNTIME = <$fh> + 0.;
107} 145}
108 146
109mkdir $_ 147mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 148 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
155 193
156The raw value load value from the last tick. 194The raw value load value from the last tick.
157 195
158=item %cf::CFG 196=item %cf::CFG
159 197
160Configuration for the server, loaded from C</etc/crossfire/config>, or 198Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 199from wherever your confdir points to.
162 200
163=item cf::wait_for_tick, cf::wait_for_tick_begin 201=item cf::wait_for_tick, cf::wait_for_tick_begin
164 202
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 203These 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 204returns 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. 205per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 206
207=item @cf::INVOKE_RESULTS
208
209This array contains the results of the last C<invoke ()> call. When
210C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
211that call.
212
169=back 213=back
170 214
171=cut 215=cut
172 216
173BEGIN { 217BEGIN {
… …
177 $msg .= "\n" 221 $msg .= "\n"
178 unless $msg =~ /\n$/; 222 unless $msg =~ /\n$/;
179 223
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 224 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 225
182 utf8::encode $msg;
183 LOG llevError, $msg; 226 LOG llevError, $msg;
184 }; 227 };
185} 228}
229
230$Coro::State::DIEHOOK = sub {
231 return unless $^S eq 0; # "eq", not "=="
232
233 if ($Coro::current == $Coro::main) {#d#
234 warn "DIEHOOK called in main context, Coro bug?\n";#d#
235 return;#d#
236 }#d#
237
238 # kill coroutine otherwise
239 warn Carp::longmess $_[0];
240 Coro::terminate
241};
242
243$SIG{__DIE__} = sub { }; #d#?
186 244
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 245@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 246@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 247@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 248@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 255for my $pkg (qw(
198 cf::global cf::attachable 256 cf::global cf::attachable
199 cf::object cf::object::player 257 cf::object cf::object::player
200 cf::client cf::player 258 cf::client cf::player
201 cf::arch cf::living 259 cf::arch cf::living
260 cf::map cf::mapspace
202 cf::map cf::party cf::region 261 cf::party cf::region
203)) { 262)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 263 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 264}
207 265
208$Event::DIED = sub { 266$EV::DIED = sub {
209 warn "error in event callback: @_"; 267 warn "error in event callback: @_";
210}; 268};
269
270#############################################################################
211 271
212=head2 UTILITY FUNCTIONS 272=head2 UTILITY FUNCTIONS
213 273
214=over 4 274=over 4
215 275
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 294 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 295 $d
236 } || "[unable to dump $_[0]: '$@']"; 296 } || "[unable to dump $_[0]: '$@']";
237} 297}
238 298
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 299=item $ref = cf::decode_json $json
242 300
243Converts a JSON string into the corresponding perl data structure. 301Converts a JSON string into the corresponding perl data structure.
244 302
245=item $json = cf::to_json $ref 303=item $json = cf::encode_json $ref
246 304
247Converts a perl data structure into its JSON representation. 305Converts a perl data structure into its JSON representation.
306
307=cut
308
309our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
310
311sub encode_json($) { $json_coder->encode ($_[0]) }
312sub decode_json($) { $json_coder->decode ($_[0]) }
313
314=item cf::post_init { BLOCK }
315
316Execute the given codeblock, I<after> all extensions have been (re-)loaded,
317but I<before> the server starts ticking again.
318
319The cdoeblock will have a single boolean argument to indicate whether this
320is a reload or not.
321
322=cut
323
324sub post_init(&) {
325 push @POST_INIT, shift;
326}
248 327
249=item cf::lock_wait $string 328=item cf::lock_wait $string
250 329
251Wait until the given lock is available. See cf::lock_acquire. 330Wait until the given lock is available. See cf::lock_acquire.
252 331
… …
255Wait until the given lock is available and then acquires it and returns 334Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 335a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 336for example when the coroutine gets canceled), the lock is automatically
258returned. 337returned.
259 338
339Locks are *not* recursive, locking from the same coro twice results in a
340deadlocked coro.
341
260Lock names should begin with a unique identifier (for example, cf::map::find 342Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 343uses map_find and cf::map::load uses map_load).
262 344
263=item $locked = cf::lock_active $string 345=item $locked = cf::lock_active $string
264 346
265Return true if the lock is currently active, i.e. somebody has locked it. 347Return true if the lock is currently active, i.e. somebody has locked it.
266 348
267=cut 349=cut
268 350
269our %LOCK; 351our %LOCK;
352our %LOCKER;#d#
270 353
271sub lock_wait($) { 354sub lock_wait($) {
272 my ($key) = @_; 355 my ($key) = @_;
273 356
357 if ($LOCKER{$key} == $Coro::current) {#d#
358 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
359 return;#d#
360 }#d#
361
274 # wait for lock, if any 362 # wait for lock, if any
275 while ($LOCK{$key}) { 363 while ($LOCK{$key}) {
364 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
276 push @{ $LOCK{$key} }, $Coro::current; 365 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 366 Coro::schedule;
278 } 367 }
279} 368}
280 369
… …
283 372
284 # wait, to be sure we are not locked 373 # wait, to be sure we are not locked
285 lock_wait $key; 374 lock_wait $key;
286 375
287 $LOCK{$key} = []; 376 $LOCK{$key} = [];
377 $LOCKER{$key} = $Coro::current;#d#
288 378
289 Coro::guard { 379 Coro::guard {
380 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 381 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 382 $_->ready for @{ delete $LOCK{$key} };
292 } 383 }
293} 384}
294 385
… …
297 388
298 ! ! $LOCK{$key} 389 ! ! $LOCK{$key}
299} 390}
300 391
301sub freeze_mainloop { 392sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
303 394
304 my $guard = Coro::guard { 395 Coro::guard \&tick_inhibit_dec;
305 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
306 }; 456 }
307 $TICK_WATCHER->stop; 457};
308 $guard 458
459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
309} 471}
310 472
311=item cf::async { BLOCK } 473=item cf::async { BLOCK }
312 474
313Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
318 480
319BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
320 482
321=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
322 484
323The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
326 489
327If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
330fast or be very important. 493fast or be very important.
… …
333 496
334sub sync_job(&) { 497sub sync_job(&) {
335 my ($job) = @_; 498 my ($job) = @_;
336 499
337 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 501 my $time = EV::time;
339 502
340 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
342 505
343 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 507
345 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
346 509
347 my $busy = 1; 510 my $busy = 1;
348 my @res; 511 my @res;
349 512
350 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 515 @res = eval { $job->() };
352 warn $@ if $@; 516 warn $@ if $@;
353 undef $busy; 517 undef $busy;
354 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
355 519
356 while ($busy) { 520 while ($busy) {
357 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
358 } 525 }
526 }
359 527
360 $time = Event::time - $time; 528 my $time = EV::time - $time;
361 529
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
366 531
367 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
368 } else { 533 } else {
369 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
370 535
… …
390 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
391 556
392 $coro 557 $coro
393} 558}
394 559
395sub write_runtime { 560=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 561
398 # first touch the runtime file to show we are still running: 562Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
400 566
401 IO::AIO::aio_utime $runtime, undef, undef; 567=cut
402 568
403 my $guard = cf::lock_acquire "write_runtime"; 569sub fork_call(&@) {
570 my ($cb, @args) = @_;
404 571
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572 # we seemingly have to make a local copy of the whole thing,
406 or return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
407 575
408 my $value = $cf::RUNTIME + 90 + 10; 576 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 577 reset_signals;
410 # 60 allows for the watchdog to kill the server. 578 &$cb
579 }, @args;
411 580
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 581 wantarray ? @res : $res[-1]
413 and return; 582}
414 583
415 # always fsync - this file is important 584=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 585
419 # touch it again to show we are up-to-date 586=cut
420 aio_utime $fh, undef, undef;
421 587
422 close $fh 588our %coin_alias = (
423 or return; 589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
424 604
425 aio_rename "$runtime~", $runtime 605sub coin_from_name($) {
426 and return; 606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
427 610
428 warn "runtime file written.\n"; 611=item $value = cf::db_get $family => $key
429 612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
430 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
431} 736}
432 737
433=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
434 739
435Log a datalog packet of the given type with the given key-value pairs. 740Log a datalog packet of the given type with the given key-value pairs.
… …
447 752
448############################################################################# 753#############################################################################
449 754
450=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
451 756
452Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
455 760
456In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 763Deliantra).
459 764
460=over 4 765=over 4
461 766
462=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
463 768
… …
507=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
508 813
509Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
511 816
512Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
514 819
515These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
516 821
517=over 4 822=over 4
… …
715 "; 1020 ";
716 die if $@; 1021 die if $@;
717} 1022}
718 1023
719our $override; 1024our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1026
722sub override { 1027sub override {
723 $override = 1; 1028 $override = 1;
724 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
725} 1030}
726 1031
727sub do_invoke { 1032sub do_invoke {
728 my $event = shift; 1033 my $event = shift;
729 my $callbacks = shift; 1034 my $callbacks = shift;
730 1035
731 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
732 1037
733 local $override; 1038 local $override;
734 1039
735 for (@$callbacks) { 1040 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
745 } 1050 }
746 1051
747 0 1052 0
748} 1053}
749 1054
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1056
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1058
754Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
755 1060
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1064
760=back 1065=back
761 1066
762=cut 1067=cut
763 1068
764############################################################################# 1069#############################################################################
765# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
766 1113
767sub reattach { 1114sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1116 my ($obj) = @_;
770 1117
1118 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1120
773 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
774 1122
775 @$registry = (); 1123 @$registry = ();
776 1124
… …
791cf::attachable->attach ( 1139cf::attachable->attach (
792 prio => -1000000, 1140 prio => -1000000,
793 on_instantiate => sub { 1141 on_instantiate => sub {
794 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
795 1143
796 $data = from_json $data; 1144 $data = decode_json $data;
797 1145
798 for (@$data) { 1146 for (@$data) {
799 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
800 1148
801 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1165sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
819 1167
820 sync_job { 1168 sync_job {
821 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
824 1173
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1177 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1178 aio_close $fh;
830 1179
831 if (@$objs) { 1180 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1183 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1184 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1185 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1186 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1187 aio_rename "$filename.pst~", "$filename.pst";
839 } 1188 }
840 } else { 1189 } else {
841 aio_unlink "$filename.pst"; 1190 aio_unlink "$filename.pst";
842 } 1191 }
843 1192
844 aio_rename "$filename~", $filename; 1193 aio_rename "$filename~", $filename;
1194
1195 $filename =~ s%/[^/]+$%%;
1196 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1197 } else {
846 warn "FATAL: $filename~: $!\n"; 1198 warn "FATAL: $filename~: $!\n";
847 } 1199 }
848 } else { 1200 } else {
849 aio_unlink $filename; 1201 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1202 aio_unlink "$filename.pst";
851 } 1203 }
852 } 1204 };
853} 1205}
854 1206
855sub object_freezer_as_string { 1207sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1208 my ($rdata, $objs) = @_;
857 1209
… …
869 or return; 1221 or return;
870 1222
871 unless (aio_stat "$filename.pst") { 1223 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1224 (aio_load "$filename.pst", $av) >= 0
873 or return; 1225 or return;
1226
874 $av = eval { (Storable::thaw $av)->{objs} }; 1227 my $st = eval { Coro::Storable::thaw $av };
1228 $av = $st->{objs};
875 } 1229 }
876 1230
1231 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1232 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1233 $decname, length $data, scalar @{$av || []};
1234
879 return ($data, $av); 1235 ($data, $av)
880} 1236}
1237
1238=head2 COMMAND CALLBACKS
1239
1240=over 4
1241
1242=cut
881 1243
882############################################################################# 1244#############################################################################
883# command handling &c 1245# command handling &c
884 1246
885=item cf::register_command $name => \&callback($ob,$args); 1247=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1260 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1261}
900 1262
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1263=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1264
903Register a callbackf ro execution when the client sends an extcmd packet. 1265Register a callback for execution when the client sends an (synchronous)
1266extcmd packet. Ext commands will be processed in the order they are
1267received by the server, like other user commands. The first argument is
1268the logged-in player. Ext commands can only be processed after a player
1269has logged in successfully.
904 1270
905If the callback returns something, it is sent back as if reply was being 1271If the callback returns something, it is sent back as if reply was being
906called. 1272called.
907 1273
1274=item cf::register_exticmd $name => \&callback($ns,$packet);
1275
1276Register a callback for execution when the client sends an (asynchronous)
1277exticmd packet. Exti commands are processed by the server as soon as they
1278are received, i.e. out of order w.r.t. other commands. The first argument
1279is a client socket. Exti commands can be received anytime, even before
1280log-in.
1281
1282If the callback returns something, it is sent back as if reply was being
1283called.
1284
908=cut 1285=cut
909 1286
910sub register_extcmd { 1287sub register_extcmd {
911 my ($name, $cb) = @_; 1288 my ($name, $cb) = @_;
912 1289
913 $EXTCMD{$name} = $cb; 1290 $EXTCMD{$name} = $cb;
914} 1291}
1292
1293sub register_exticmd {
1294 my ($name, $cb) = @_;
1295
1296 $EXTICMD{$name} = $cb;
1297}
1298
1299use File::Glob ();
915 1300
916cf::player->attach ( 1301cf::player->attach (
917 on_command => sub { 1302 on_command => sub {
918 my ($pl, $name, $params) = @_; 1303 my ($pl, $name, $params) = @_;
919 1304
… …
927 cf::override; 1312 cf::override;
928 }, 1313 },
929 on_extcmd => sub { 1314 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1315 my ($pl, $buf) = @_;
931 1316
932 my $msg = eval { from_json $buf }; 1317 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1318
934 if (ref $msg) { 1319 if (ref $msg) {
1320 my ($type, $reply, @payload) =
1321 "ARRAY" eq ref $msg
1322 ? @$msg
1323 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1324
1325 my @reply;
1326
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1327 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1328 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1329 }
1330
1331 $pl->ext_reply ($reply, @reply)
1332 if $reply;
1333
940 } else { 1334 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1335 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1336 }
943 1337
944 cf::override; 1338 cf::override;
945 }, 1339 },
946); 1340);
1341
1342# "readahead" all extensions
1343sub cache_extensions {
1344 my $grp = IO::AIO::aio_group;
1345
1346 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1347 for (grep /\.ext$/, @{$_[0]}) {
1348 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1349 }
1350 };
1351
1352 $grp
1353}
947 1354
948sub load_extensions { 1355sub load_extensions {
949 cf::sync_job { 1356 cf::sync_job {
950 my %todo; 1357 my %todo;
951 1358
… …
971 1378
972 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1379 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1380 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1381
975 $ext{source} = 1382 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1383 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1384 . "#line 1 \"$path\"\n{\n"
978 . $source 1385 . $source
979 . "\n};\n1"; 1386 . "\n};\n1";
980 1387
981 $todo{$base} = \%ext; 1388 $todo{$base} = \%ext;
… …
997 my $msg = $@ ? "$v->{path}: $@\n" 1404 my $msg = $@ ? "$v->{path}: $@\n"
998 : "$v->{base}: extension inactive.\n"; 1405 : "$v->{base}: extension inactive.\n";
999 1406
1000 if (exists $v->{meta}{mandatory}) { 1407 if (exists $v->{meta}{mandatory}) {
1001 warn $msg; 1408 warn $msg;
1002 warn "mandatory extension failed to load, exiting.\n"; 1409 cf::cleanup "mandatory extension failed to load, exiting.";
1003 exit 1;
1004 } 1410 }
1005 1411
1006 warn $msg; 1412 warn $msg;
1007 } 1413 }
1008 1414
… …
1018 }; 1424 };
1019} 1425}
1020 1426
1021############################################################################# 1427#############################################################################
1022 1428
1429=back
1430
1023=head2 CORE EXTENSIONS 1431=head2 CORE EXTENSIONS
1024 1432
1025Functions and methods that extend core crossfire objects. 1433Functions and methods that extend core deliantra objects.
1026 1434
1027=cut 1435=cut
1028 1436
1029package cf::player; 1437package cf::player;
1030 1438
1031use Coro::AIO; 1439use Coro::AIO;
1032 1440
1033=head3 cf::player 1441=head3 cf::player
1034 1442
1035=over 4 1443=over 4
1444
1445=item cf::player::num_playing
1446
1447Returns the official number of playing players, as per the Crossfire metaserver rules.
1448
1449=cut
1450
1451sub num_playing {
1452 scalar grep
1453 $_->ob->map
1454 && !$_->hidden
1455 && !$_->ob->flag (cf::FLAG_WIZ),
1456 cf::player::list
1457}
1036 1458
1037=item cf::player::find $login 1459=item cf::player::find $login
1038 1460
1039Returns the given player object, loading it if necessary (might block). 1461Returns the given player object, loading it if necessary (might block).
1040 1462
… …
1059 1481
1060sub exists($) { 1482sub exists($) {
1061 my ($login) = @_; 1483 my ($login) = @_;
1062 1484
1063 $cf::PLAYER{$login} 1485 $cf::PLAYER{$login}
1064 or cf::sync_job { !aio_stat path $login } 1486 or !aio_stat path $login
1065} 1487}
1066 1488
1067sub find($) { 1489sub find($) {
1068 return $cf::PLAYER{$_[0]} || do { 1490 return $cf::PLAYER{$_[0]} || do {
1069 my $login = $_[0]; 1491 my $login = $_[0];
… …
1076 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1498 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1499 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1500 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079 aio_unlink +(playerdir $login) . "/$login.pl"; 1501 aio_unlink +(playerdir $login) . "/$login.pl";
1080 1502
1081 my $pl = load_pl path $login 1503 my $f = new_from_file cf::object::thawer path $login
1082 or return; 1504 or return;
1505
1506 my $pl = cf::player::load_pl $f
1507 or return;
1508
1509 local $cf::PLAYER_LOADING{$login} = $pl;
1510 $f->resolve_delayed_derefs;
1083 $cf::PLAYER{$login} = $pl 1511 $cf::PLAYER{$login} = $pl
1084 } 1512 }
1085 } 1513 }
1086} 1514}
1087 1515
… …
1096 return if $pl->{deny_save}; 1524 return if $pl->{deny_save};
1097 1525
1098 aio_mkdir playerdir $pl, 0770; 1526 aio_mkdir playerdir $pl, 0770;
1099 $pl->{last_save} = $cf::RUNTIME; 1527 $pl->{last_save} = $cf::RUNTIME;
1100 1528
1529 cf::get_slot 0.01;
1530
1101 $pl->save_pl ($path); 1531 $pl->save_pl ($path);
1102 Coro::cede; 1532 cf::cede_to_tick;
1103} 1533}
1104 1534
1105sub new($) { 1535sub new($) {
1106 my ($login) = @_; 1536 my ($login) = @_;
1107 1537
… …
1113 $cf::PLAYER{$login} = $self; 1543 $cf::PLAYER{$login} = $self;
1114 1544
1115 $self 1545 $self
1116} 1546}
1117 1547
1548=item $player->send_msg ($channel, $msg, $color, [extra...])
1549
1550=cut
1551
1552sub send_msg {
1553 my $ns = shift->ns
1554 or return;
1555 $ns->send_msg (@_);
1556}
1557
1118=item $pl->quit_character 1558=item $pl->quit_character
1119 1559
1120Nukes the player without looking back. If logged in, the connection will 1560Nukes the player without looking back. If logged in, the connection will
1121be destroyed. May block for a long time. 1561be destroyed. May block for a long time.
1122 1562
… …
1126 my ($pl) = @_; 1566 my ($pl) = @_;
1127 1567
1128 my $name = $pl->ob->name; 1568 my $name = $pl->ob->name;
1129 1569
1130 $pl->{deny_save} = 1; 1570 $pl->{deny_save} = 1;
1131 $pl->password ("*"); # this should lock out the player until we nuked the dir 1571 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1132 1572
1133 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1573 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134 $pl->deactivate; 1574 $pl->deactivate;
1575 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1576 $pl->ob->check_score;
1135 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1577 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1136 $pl->ns->destroy if $pl->ns; 1578 $pl->ns->destroy if $pl->ns;
1137 1579
1138 my $path = playerdir $pl; 1580 my $path = playerdir $pl;
1139 my $temp = "$path~$cf::RUNTIME~deleting~"; 1581 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1175 or return []; 1617 or return [];
1176 1618
1177 my @logins; 1619 my @logins;
1178 1620
1179 for my $login (@$dirs) { 1621 for my $login (@$dirs) {
1622 my $path = path $login;
1623
1624 # a .pst is a dead give-away for a valid player
1625 # if no pst file found, open and chekc for blocked users
1626 if (aio_stat "$path.pst") {
1180 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1627 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181 aio_read $fh, 0, 512, my $buf, 0 or next; 1628 aio_read $fh, 0, 512, my $buf, 0 or next;
1182 $buf !~ /^password -------------$/m or next; # official not-valid tag 1629 $buf !~ /^password -------------$/m or next; # official not-valid tag
1630 }
1183 1631
1184 utf8::decode $login; 1632 utf8::decode $login;
1185 push @logins, $login; 1633 push @logins, $login;
1186 } 1634 }
1187 1635
… …
1214 } 1662 }
1215 1663
1216 \@paths 1664 \@paths
1217} 1665}
1218 1666
1667=item $protocol_xml = $player->expand_cfpod ($cfpod)
1668
1669Expand deliantra pod fragments into protocol xml.
1670
1219=item $player->ext_reply ($msgid, %msg) 1671=item $player->ext_reply ($msgid, @msg)
1220 1672
1221Sends an ext reply to the player. 1673Sends an ext reply to the player.
1222 1674
1223=cut 1675=cut
1224 1676
1225sub ext_reply($$%) { 1677sub ext_reply($$@) {
1226 my ($self, $id, %msg) = @_; 1678 my ($self, $id, @msg) = @_;
1227 1679
1228 $msg{msgid} = $id; 1680 $self->ns->ext_reply ($id, @msg)
1229
1230 $self->send ("ext " . cf::to_json \%msg);
1231} 1681}
1232 1682
1233=item $player->ext_event ($type, %msg) 1683=item $player->ext_msg ($type, @msg)
1234 1684
1235Sends an ext event to the client. 1685Sends an ext event to the client.
1236 1686
1237=cut 1687=cut
1238 1688
1239sub ext_event($$%) { 1689sub ext_msg($$@) {
1240 my ($self, $type, %msg) = @_; 1690 my ($self, $type, @msg) = @_;
1241 1691
1242 $self->ns->ext_event ($type, %msg); 1692 $self->ns->ext_msg ($type, @msg);
1243} 1693}
1244 1694
1245=head3 cf::region 1695=head3 cf::region
1246 1696
1247=over 4 1697=over 4
… …
1250 1700
1251package cf::region; 1701package cf::region;
1252 1702
1253=item cf::region::find_by_path $path 1703=item cf::region::find_by_path $path
1254 1704
1255Tries to decuce the probable region for a map knowing only its path. 1705Tries to decuce the likely region for a map knowing only its path.
1256 1706
1257=cut 1707=cut
1258 1708
1259sub find_by_path($) { 1709sub find_by_path($) {
1260 my ($path) = @_; 1710 my ($path) = @_;
1261 1711
1262 my ($match, $specificity); 1712 my ($match, $specificity);
1263 1713
1264 for my $region (list) { 1714 for my $region (list) {
1265 if ($region->match && $path =~ $region->match) { 1715 if ($region->{match} && $path =~ $region->{match}) {
1266 ($match, $specificity) = ($region, $region->specificity) 1716 ($match, $specificity) = ($region, $region->specificity)
1267 if $region->specificity > $specificity; 1717 if $region->specificity > $specificity;
1268 } 1718 }
1269 } 1719 }
1270 1720
… …
1291our $MAX_RESET = 3600; 1741our $MAX_RESET = 3600;
1292our $DEFAULT_RESET = 3000; 1742our $DEFAULT_RESET = 3000;
1293 1743
1294sub generate_random_map { 1744sub generate_random_map {
1295 my ($self, $rmp) = @_; 1745 my ($self, $rmp) = @_;
1746
1747 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1748
1296 # mit "rum" bekleckern, nicht 1749 # mit "rum" bekleckern, nicht
1297 $self->_create_random_map ( 1750 $self->_create_random_map (
1298 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1751 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1752 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1753 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1390 $self->init; # pass $1 etc. 1843 $self->init; # pass $1 etc.
1391 return $self; 1844 return $self;
1392 } 1845 }
1393 } 1846 }
1394 1847
1395 Carp::carp "unable to resolve path '$path' (base '$base')."; 1848 Carp::cluck "unable to resolve path '$path' (base '$base').";
1396 () 1849 ()
1397} 1850}
1398 1851
1399sub init { 1852sub init {
1400 my ($self) = @_; 1853 my ($self) = @_;
… …
1422 1875
1423# the temporary/swap location 1876# the temporary/swap location
1424sub save_path { 1877sub save_path {
1425 my ($self) = @_; 1878 my ($self) = @_;
1426 1879
1427 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1880 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428 "$TMPDIR/$path.map" 1881 "$TMPDIR/$path.map"
1429} 1882}
1430 1883
1431# the unique path, undef == no special unique path 1884# the unique path, undef == no special unique path
1432sub uniq_path { 1885sub uniq_path {
1433 my ($self) = @_; 1886 my ($self) = @_;
1434 1887
1435 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1888 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436 "$UNIQUEDIR/$path" 1889 "$UNIQUEDIR/$path"
1437} 1890}
1438 1891
1439# and all this just because we cannot iterate over 1892# and all this just because we cannot iterate over
1440# all maps in C++... 1893# all maps in C++...
… …
1463 1916
1464sub load_header_from($) { 1917sub load_header_from($) {
1465 my ($self, $path) = @_; 1918 my ($self, $path) = @_;
1466 1919
1467 utf8::encode $path; 1920 utf8::encode $path;
1468 #aio_open $path, O_RDONLY, 0 1921 my $f = new_from_file cf::object::thawer $path
1469 # or return;
1470
1471 $self->_load_header ($path)
1472 or return; 1922 or return;
1923
1924 $self->_load_header ($f)
1925 or return;
1926
1927 local $MAP_LOADING{$self->{path}} = $self;
1928 $f->resolve_delayed_derefs;
1473 1929
1474 $self->{load_path} = $path; 1930 $self->{load_path} = $path;
1475 1931
1476 1 1932 1
1477} 1933}
… …
1531sub find { 1987sub find {
1532 my ($path, $origin) = @_; 1988 my ($path, $origin) = @_;
1533 1989
1534 $path = normalise $path, $origin && $origin->path; 1990 $path = normalise $path, $origin && $origin->path;
1535 1991
1992 cf::lock_wait "map_data:$path";#d#remove
1536 cf::lock_wait "map_find:$path"; 1993 cf::lock_wait "map_find:$path";
1537 1994
1538 $cf::MAP{$path} || do { 1995 $cf::MAP{$path} || do {
1996 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1539 my $guard = cf::lock_acquire "map_find:$path"; 1997 my $guard2 = cf::lock_acquire "map_find:$path";
1998
1540 my $map = new_from_path cf::map $path 1999 my $map = new_from_path cf::map $path
1541 or return; 2000 or return;
1542 2001
1543 $map->{last_save} = $cf::RUNTIME; 2002 $map->{last_save} = $cf::RUNTIME;
1544 2003
… …
1546 or return; 2005 or return;
1547 2006
1548 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2007 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549 # doing this can freeze the server in a sync job, obviously 2008 # doing this can freeze the server in a sync job, obviously
1550 #$cf::WAIT_FOR_TICK->wait; 2009 #$cf::WAIT_FOR_TICK->wait;
2010 undef $guard2;
2011 undef $guard1;
1551 $map->reset; 2012 $map->reset;
1552 undef $guard;
1553 return find $path; 2013 return find $path;
1554 } 2014 }
1555 2015
1556 $cf::MAP{$path} = $map 2016 $cf::MAP{$path} = $map
1557 } 2017 }
… …
1566 local $self->{deny_reset} = 1; # loading can take a long time 2026 local $self->{deny_reset} = 1; # loading can take a long time
1567 2027
1568 my $path = $self->{path}; 2028 my $path = $self->{path};
1569 2029
1570 { 2030 {
1571 my $guard = cf::lock_acquire "map_load:$path"; 2031 my $guard = cf::lock_acquire "map_data:$path";
1572 2032
2033 return unless $self->valid;
1573 return if $self->in_memory != cf::MAP_SWAPPED; 2034 return unless $self->in_memory == cf::MAP_SWAPPED;
1574 2035
1575 $self->in_memory (cf::MAP_LOADING); 2036 $self->in_memory (cf::MAP_LOADING);
1576 2037
1577 $self->alloc; 2038 $self->alloc;
1578 2039
1579 $self->pre_load; 2040 $self->pre_load;
1580 Coro::cede; 2041 cf::cede_to_tick;
1581 2042
2043 my $f = new_from_file cf::object::thawer $self->{load_path};
2044 $f->skip_block;
1582 $self->_load_objects ($self->{load_path}, 1) 2045 $self->_load_objects ($f)
1583 or return; 2046 or return;
1584 2047
1585 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2048 $self->post_load_original
1586 if delete $self->{load_original}; 2049 if delete $self->{load_original};
1587 2050
1588 if (my $uniq = $self->uniq_path) { 2051 if (my $uniq = $self->uniq_path) {
1589 utf8::encode $uniq; 2052 utf8::encode $uniq;
1590 if (aio_open $uniq, O_RDONLY, 0) { 2053 unless (aio_stat $uniq) {
2054 if (my $f = new_from_file cf::object::thawer $uniq) {
1591 $self->clear_unique_items; 2055 $self->clear_unique_items;
1592 $self->_load_objects ($uniq, 0); 2056 $self->_load_objects ($f);
2057 $f->resolve_delayed_derefs;
2058 }
1593 } 2059 }
1594 } 2060 }
1595 2061
1596 Coro::cede; 2062 $f->resolve_delayed_derefs;
2063
2064 cf::cede_to_tick;
1597 # now do the right thing for maps 2065 # now do the right thing for maps
1598 $self->link_multipart_objects; 2066 $self->link_multipart_objects;
1599 $self->difficulty ($self->estimate_difficulty) 2067 $self->difficulty ($self->estimate_difficulty)
1600 unless $self->difficulty; 2068 unless $self->difficulty;
1601 Coro::cede; 2069 cf::cede_to_tick;
1602 2070
1603 unless ($self->{deny_activate}) { 2071 unless ($self->{deny_activate}) {
1604 $self->decay_objects; 2072 $self->decay_objects;
1605 $self->fix_auto_apply; 2073 $self->fix_auto_apply;
1606 $self->update_buttons; 2074 $self->update_buttons;
1607 Coro::cede; 2075 cf::cede_to_tick;
1608 $self->set_darkness_map; 2076 $self->set_darkness_map;
1609 Coro::cede; 2077 cf::cede_to_tick;
1610 $self->activate; 2078 $self->activate;
1611 } 2079 }
1612 2080
2081 $self->{last_save} = $cf::RUNTIME;
2082 $self->last_access ($cf::RUNTIME);
2083
1613 $self->in_memory (cf::MAP_IN_MEMORY); 2084 $self->in_memory (cf::MAP_ACTIVE);
1614 } 2085 }
1615 2086
1616 $self->post_load; 2087 $self->post_load;
1617} 2088}
1618 2089
… …
1627 2098
1628 $self 2099 $self
1629} 2100}
1630 2101
1631# find and load all maps in the 3x3 area around a map 2102# find and load all maps in the 3x3 area around a map
1632sub load_diag { 2103sub load_neighbours {
1633 my ($map) = @_; 2104 my ($map) = @_;
1634 2105
1635 my @diag; # diagonal neighbours 2106 my @neigh; # diagonal neighbours
1636 2107
1637 for (0 .. 3) { 2108 for (0 .. 3) {
1638 my $neigh = $map->tile_path ($_) 2109 my $neigh = $map->tile_path ($_)
1639 or next; 2110 or next;
1640 $neigh = find $neigh, $map 2111 $neigh = find $neigh, $map
1641 or next; 2112 or next;
1642 $neigh->load; 2113 $neigh->load;
1643 2114
2115 push @neigh,
1644 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2116 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2117 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1646 } 2118 }
1647 2119
1648 for (@diag) { 2120 for (grep defined $_->[0], @neigh) {
2121 my ($path, $origin) = @$_;
1649 my $neigh = find @$_ 2122 my $neigh = find $path, $origin
1650 or next; 2123 or next;
1651 $neigh->load; 2124 $neigh->load;
1652 } 2125 }
1653} 2126}
1654 2127
… …
1659} 2132}
1660 2133
1661sub do_load_sync { 2134sub do_load_sync {
1662 my ($map) = @_; 2135 my ($map) = @_;
1663 2136
2137 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2138 if $Coro::current == $Coro::main;
2139
1664 cf::sync_job { $map->load }; 2140 cf::sync_job { $map->load };
1665} 2141}
1666 2142
1667our %MAP_PREFETCH; 2143our %MAP_PREFETCH;
1668our $MAP_PREFETCHER = undef; 2144our $MAP_PREFETCHER = undef;
1669 2145
1670sub find_async { 2146sub find_async {
1671 my ($path, $origin) = @_; 2147 my ($path, $origin, $load) = @_;
1672 2148
1673 $path = normalise $path, $origin && $origin->{path}; 2149 $path = normalise $path, $origin && $origin->{path};
1674 2150
1675 if (my $map = $cf::MAP{$path}) { 2151 if (my $map = $cf::MAP{$path}) {
1676 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2152 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677 } 2153 }
1678 2154
1679 undef $MAP_PREFETCH{$path}; 2155 $MAP_PREFETCH{$path} |= $load;
2156
1680 $MAP_PREFETCHER ||= cf::async { 2157 $MAP_PREFETCHER ||= cf::async {
2158 $Coro::current->{desc} = "map prefetcher";
2159
1681 while (%MAP_PREFETCH) { 2160 while (%MAP_PREFETCH) {
1682 for my $path (keys %MAP_PREFETCH) { 2161 while (my ($k, $v) = each %MAP_PREFETCH) {
1683 my $map = find $path 2162 if (my $map = find $k) {
1684 or next;
1685 $map->load; 2163 $map->load if $v;
2164 }
1686 2165
1687 delete $MAP_PREFETCH{$path}; 2166 delete $MAP_PREFETCH{$k};
1688 } 2167 }
1689 } 2168 }
1690 undef $MAP_PREFETCHER; 2169 undef $MAP_PREFETCHER;
1691 }; 2170 };
1692 $MAP_PREFETCHER->prio (6); 2171 $MAP_PREFETCHER->prio (6);
… …
1695} 2174}
1696 2175
1697sub save { 2176sub save {
1698 my ($self) = @_; 2177 my ($self) = @_;
1699 2178
1700 my $lock = cf::lock_acquire "map_data:" . $self->path; 2179 my $lock = cf::lock_acquire "map_data:$self->{path}";
1701 2180
1702 $self->{last_save} = $cf::RUNTIME; 2181 $self->{last_save} = $cf::RUNTIME;
1703 2182
1704 return unless $self->dirty; 2183 return unless $self->dirty;
1705 2184
… …
1711 return if $self->{deny_save}; 2190 return if $self->{deny_save};
1712 2191
1713 local $self->{last_access} = $self->last_access;#d# 2192 local $self->{last_access} = $self->last_access;#d#
1714 2193
1715 cf::async { 2194 cf::async {
2195 $Coro::current->{desc} = "map player save";
1716 $_->contr->save for $self->players; 2196 $_->contr->save for $self->players;
1717 }; 2197 };
2198
2199 cf::get_slot 0.02;
1718 2200
1719 if ($uniq) { 2201 if ($uniq) {
1720 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2202 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2203 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1722 } else { 2204 } else {
… …
1728 my ($self) = @_; 2210 my ($self) = @_;
1729 2211
1730 # save first because save cedes 2212 # save first because save cedes
1731 $self->save; 2213 $self->save;
1732 2214
1733 my $lock = cf::lock_acquire "map_data:" . $self->path; 2215 my $lock = cf::lock_acquire "map_data:$self->{path}";
1734 2216
1735 return if $self->players; 2217 return if $self->players;
1736 return if $self->in_memory != cf::MAP_IN_MEMORY; 2218 return if $self->in_memory != cf::MAP_ACTIVE;
1737 return if $self->{deny_save}; 2219 return if $self->{deny_save};
1738 2220
2221 $self->in_memory (cf::MAP_SWAPPED);
2222
2223 $self->deactivate;
2224 $_->clear_links_to ($self) for values %cf::MAP;
1739 $self->clear; 2225 $self->clear;
1740 $self->in_memory (cf::MAP_SWAPPED);
1741} 2226}
1742 2227
1743sub reset_at { 2228sub reset_at {
1744 my ($self) = @_; 2229 my ($self) = @_;
1745 2230
… …
1777 if $uniq; 2262 if $uniq;
1778 } 2263 }
1779 2264
1780 delete $cf::MAP{$self->path}; 2265 delete $cf::MAP{$self->path};
1781 2266
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
1782 $self->clear; 2269 $self->clear;
1783
1784 $_->clear_links_to ($self) for values %cf::MAP;
1785 2270
1786 $self->unlink_save; 2271 $self->unlink_save;
1787 $self->destroy; 2272 $self->destroy;
1788} 2273}
1789 2274
1790my $nuke_counter = "aaaa"; 2275my $nuke_counter = "aaaa";
1791 2276
1792sub nuke { 2277sub nuke {
1793 my ($self) = @_; 2278 my ($self) = @_;
1794 2279
2280 {
2281 my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
1795 delete $cf::MAP{$self->path}; 2283 delete $cf::MAP{$self->path};
1796 2284
1797 $self->unlink_save; 2285 $self->unlink_save;
1798 2286
1799 bless $self, "cf::map"; 2287 bless $self, "cf::map";
1800 delete $self->{deny_reset}; 2288 delete $self->{deny_reset};
1801 $self->{deny_save} = 1; 2289 $self->{deny_save} = 1;
1802 $self->reset_timeout (1); 2290 $self->reset_timeout (1);
1803 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2291 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804 2292
1805 $cf::MAP{$self->path} = $self; 2293 $cf::MAP{$self->path} = $self;
2294 }
1806 2295
1807 $self->reset; # polite request, might not happen 2296 $self->reset; # polite request, might not happen
1808} 2297}
1809 2298
1810=item $maps = cf::map::tmp_maps 2299=item $maps = cf::map::tmp_maps
… …
1852 2341
1853sub unique_maps() { 2342sub unique_maps() {
1854 [ 2343 [
1855 map { 2344 map {
1856 utf8::decode $_; 2345 utf8::decode $_;
1857 /\.map$/ 2346 s/\.map$//; # TODO future compatibility hack
2347 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2348 ? ()
1858 ? normalise $_ 2349 : normalise $_
1859 : ()
1860 } @{ aio_readdir $UNIQUEDIR or [] } 2350 } @{ aio_readdir $UNIQUEDIR or [] }
1861 ] 2351 ]
1862} 2352}
1863 2353
1864package cf;
1865
1866=back 2354=back
1867 2355
1868=head3 cf::object 2356=head3 cf::object
1869 2357
1870=cut 2358=cut
… …
1873 2361
1874=over 4 2362=over 4
1875 2363
1876=item $ob->inv_recursive 2364=item $ob->inv_recursive
1877 2365
1878Returns the inventory of the object _and_ their inventories, recursively. 2366Returns the inventory of the object I<and> their inventories, recursively,
2367but I<not> the object itself.
1879 2368
1880=cut 2369=cut
1881 2370
1882sub inv_recursive_; 2371sub inv_recursive_;
1883sub inv_recursive_ { 2372sub inv_recursive_ {
… …
1886 2375
1887sub inv_recursive { 2376sub inv_recursive {
1888 inv_recursive_ inv $_[0] 2377 inv_recursive_ inv $_[0]
1889} 2378}
1890 2379
2380=item $ref = $ob->ref
2381
2382Creates and returns a persistent reference to an object that can be stored as a string.
2383
2384=item $ob = cf::object::deref ($refstring)
2385
2386returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2387even if the object actually exists. May block.
2388
2389=cut
2390
2391sub deref {
2392 my ($ref) = @_;
2393
2394 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2395 my ($uuid, $name) = ($1, $2);
2396 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2397 or return;
2398 $pl->ob->uuid eq $uuid
2399 or return;
2400
2401 $pl->ob
2402 } else {
2403 warn "$ref: cannot resolve object reference\n";
2404 undef
2405 }
2406}
2407
1891package cf; 2408package cf;
1892 2409
1893=back 2410=back
1894 2411
1895=head3 cf::object::player 2412=head3 cf::object::player
… …
1901Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2418Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902can be C<undef>. Does the right thing when the player is currently in a 2419can be C<undef>. Does the right thing when the player is currently in a
1903dialogue with the given NPC character. 2420dialogue with the given NPC character.
1904 2421
1905=cut 2422=cut
2423
2424our $SAY_CHANNEL = {
2425 id => "say",
2426 title => "Map",
2427 reply => "say ",
2428 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2429};
2430
2431our $CHAT_CHANNEL = {
2432 id => "chat",
2433 title => "Chat",
2434 reply => "chat ",
2435 tooltip => "Player chat and shouts, global to the server.",
2436};
1906 2437
1907# rough implementation of a future "reply" method that works 2438# rough implementation of a future "reply" method that works
1908# with dialog boxes. 2439# with dialog boxes.
1909#TODO: the first argument must go, split into a $npc->reply_to ( method 2440#TODO: the first argument must go, split into a $npc->reply_to ( method
1910sub cf::object::player::reply($$$;$) { 2441sub cf::object::player::reply($$$;$) {
… …
1912 2443
1913 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2444 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914 2445
1915 if ($self->{record_replies}) { 2446 if ($self->{record_replies}) {
1916 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2447 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2448
1917 } else { 2449 } else {
2450 my $pl = $self->contr;
2451
2452 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2453 my $dialog = $pl->{npc_dialog};
2454 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2455
2456 } else {
1918 $msg = $npc->name . " says: $msg" if $npc; 2457 $msg = $npc->name . " says: $msg" if $npc;
1919 $self->message ($msg, $flags); 2458 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2459 }
1920 } 2460 }
2461}
2462
2463=item $object->send_msg ($channel, $msg, $color, [extra...])
2464
2465=cut
2466
2467sub cf::object::send_msg {
2468 my $pl = shift->contr
2469 or return;
2470 $pl->send_msg (@_);
1921} 2471}
1922 2472
1923=item $player_object->may ("access") 2473=item $player_object->may ("access")
1924 2474
1925Returns wether the given player is authorized to access resource "access" 2475Returns wether the given player is authorized to access resource "access"
… …
1938 2488
1939=item $player_object->enter_link 2489=item $player_object->enter_link
1940 2490
1941Freezes the player and moves him/her to a special map (C<{link}>). 2491Freezes the player and moves him/her to a special map (C<{link}>).
1942 2492
1943The player should be reasonably safe there for short amounts of time. You 2493The player should be reasonably safe there for short amounts of time (e.g.
1944I<MUST> call C<leave_link> as soon as possible, though. 2494for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2495though, as the palyer cannot control the character while it is on the link
2496map.
1945 2497
1946Will never block. 2498Will never block.
1947 2499
1948=item $player_object->leave_link ($map, $x, $y) 2500=item $player_object->leave_link ($map, $x, $y)
1949 2501
… …
2004 # use -1 or undef as default coordinates, not 0, 0 2556 # use -1 or undef as default coordinates, not 0, 0
2005 ($x, $y) = ($map->enter_x, $map->enter_y) 2557 ($x, $y) = ($map->enter_x, $map->enter_y)
2006 if $x <=0 && $y <= 0; 2558 if $x <=0 && $y <= 0;
2007 2559
2008 $map->load; 2560 $map->load;
2009 $map->load_diag; 2561 $map->load_neighbours;
2010 2562
2011 return unless $self->contr->active; 2563 return unless $self->contr->active;
2564 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2012 $self->activate_recursive; 2565 $self->activate_recursive;
2013 2566
2014 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2567 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015 $self->enter_map ($map, $x, $y); 2568 $self->enter_map ($map, $x, $y);
2016} 2569}
2017 2570
2018=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2571=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019 2572
2020Moves the player to the given map-path and coordinates by first freezing 2573Moves the player to the given map-path and coordinates by first freezing
2021her, loading and preparing them map, calling the provided $check callback 2574her, loading and preparing them map, calling the provided $check callback
2022that has to return the map if sucecssful, and then unfreezes the player on 2575that has to return the map if sucecssful, and then unfreezes the player on
2023the new (success) or old (failed) map position. 2576the new (success) or old (failed) map position. In either case, $done will
2577be called at the end of this process.
2578
2579Note that $check will be called with a potentially non-loaded map, so if
2580it needs a loaded map it has to call C<< ->load >>.
2024 2581
2025=cut 2582=cut
2026 2583
2027our $GOTOGEN; 2584our $GOTOGEN;
2028 2585
2029sub cf::object::player::goto { 2586sub cf::object::player::goto {
2030 my ($self, $path, $x, $y, $check) = @_; 2587 my ($self, $path, $x, $y, $check, $done) = @_;
2031 2588
2032 # do generation counting so two concurrent goto's will be executed in-order 2589 # do generation counting so two concurrent goto's will be executed in-order
2033 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2590 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034 2591
2035 $self->enter_link; 2592 $self->enter_link;
2036 2593
2037 (async { 2594 (async {
2595 $Coro::current->{desc} = "player::goto $path $x $y";
2596
2597 # *tag paths override both path and x|y
2598 if ($path =~ /^\*(.*)$/) {
2599 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2600 my $ob = $obs[rand @obs];
2601
2602 # see if we actually can go there
2603 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2604 $ob = $obs[rand @obs];
2605 } else {
2606 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2607 }
2608 # else put us there anyways for now #d#
2609
2610 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2611 } else {
2612 ($path, $x, $y) = (undef, undef, undef);
2613 }
2614 }
2615
2038 my $map = eval { 2616 my $map = eval {
2039 my $map = cf::map::find $path; 2617 my $map = defined $path ? cf::map::find $path : undef;
2040 2618
2041 if ($map) { 2619 if ($map) {
2042 $map = $map->customise_for ($self); 2620 $map = $map->customise_for ($self);
2043 $map = $check->($map) if $check && $map; 2621 $map = $check->($map) if $check && $map;
2044 } else { 2622 } else {
2045 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2623 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046 } 2624 }
2047 2625
2048 $map 2626 $map
2049 }; 2627 };
2050 2628
… …
2055 2633
2056 if ($gen == $self->{_goto_generation}) { 2634 if ($gen == $self->{_goto_generation}) {
2057 delete $self->{_goto_generation}; 2635 delete $self->{_goto_generation};
2058 $self->leave_link ($map, $x, $y); 2636 $self->leave_link ($map, $x, $y);
2059 } 2637 }
2638
2639 $done->() if $done;
2060 })->prio (1); 2640 })->prio (1);
2061} 2641}
2062 2642
2063=item $player_object->enter_exit ($exit_object) 2643=item $player_object->enter_exit ($exit_object)
2064 2644
… …
2084} 2664}
2085 2665
2086sub prepare_random_map { 2666sub prepare_random_map {
2087 my ($exit) = @_; 2667 my ($exit) = @_;
2088 2668
2089 my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091 # all this does is basically replace the /! path by 2669 # all this does is basically replace the /! path by
2092 # a new random map path (?random/...) with a seed 2670 # a new random map path (?random/...) with a seed
2093 # that depends on the exit object 2671 # that depends on the exit object
2094 2672
2095 my $rmp = parse_random_map_params $exit->msg; 2673 my $rmp = parse_random_map_params $exit->msg;
… …
2097 if ($exit->map) { 2675 if ($exit->map) {
2098 $rmp->{region} = $exit->region->name; 2676 $rmp->{region} = $exit->region->name;
2099 $rmp->{origin_map} = $exit->map->path; 2677 $rmp->{origin_map} = $exit->map->path;
2100 $rmp->{origin_x} = $exit->x; 2678 $rmp->{origin_x} = $exit->x;
2101 $rmp->{origin_y} = $exit->y; 2679 $rmp->{origin_y} = $exit->y;
2680
2681 $exit->map->touch;
2102 } 2682 }
2103 2683
2104 $rmp->{random_seed} ||= $exit->random_seed; 2684 $rmp->{random_seed} ||= $exit->random_seed;
2105 2685
2106 my $data = cf::to_json $rmp; 2686 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107 my $md5 = Digest::MD5::md5_hex $data; 2687 my $md5 = Digest::MD5::md5_hex $data;
2108 my $meta = "$RANDOMDIR/$md5.meta"; 2688 my $meta = "$RANDOMDIR/$md5.meta";
2109 2689
2110 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2690 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111 aio_write $fh, 0, (length $data), $data, 0; 2691 aio_write $fh, 0, (length $data), $data, 0;
2112 undef $fh; 2692 undef $fh;
2113 aio_rename "$meta~", $meta; 2693 aio_rename "$meta~", $meta;
2114 2694
2695 my $slaying = "?random/$md5";
2696
2697 if ($exit->valid) {
2115 $exit->slaying ("?random/$md5"); 2698 $exit->slaying ("?random/$md5");
2116 $exit->msg (undef); 2699 $exit->msg (undef);
2700 }
2117 } 2701 }
2118} 2702}
2119 2703
2120sub cf::object::player::enter_exit { 2704sub cf::object::player::enter_exit {
2121 my ($self, $exit) = @_; 2705 my ($self, $exit) = @_;
2122 2706
2123 return unless $self->type == cf::PLAYER; 2707 return unless $self->type == cf::PLAYER;
2124 2708
2125 if ($exit->slaying eq "/!") {
2126 #TODO: this should de-fi-ni-te-ly not be a sync-job
2127 # the problem is that $exit might not survive long enough
2128 # so it needs to be done right now, right here
2129 cf::sync_job { prepare_random_map $exit };
2130 }
2131
2132 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133 my $hp = $exit->stats->hp;
2134 my $sp = $exit->stats->sp;
2135
2136 $self->enter_link; 2709 $self->enter_link;
2137 2710
2138 (async { 2711 (async {
2139 $self->deactivate_recursive; # just to be sure 2712 $Coro::current->{desc} = "enter_exit";
2713
2140 unless (eval { 2714 unless (eval {
2715 $self->deactivate_recursive; # just to be sure
2716
2717 # random map handling
2718 {
2719 my $guard = cf::lock_acquire "exit_prepare:$exit";
2720
2721 prepare_random_map $exit
2722 if $exit->slaying eq "/!";
2723 }
2724
2725 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2726 my $x = $exit->stats->hp;
2727 my $y = $exit->stats->sp;
2728
2141 $self->goto ($slaying, $hp, $sp); 2729 $self->goto ($map, $x, $y);
2142 2730
2731 # if exit is damned, update players death & WoR home-position
2732 $self->contr->savebed ($map, $x, $y)
2733 if $exit->flag (cf::FLAG_DAMNED);
2734
2143 1; 2735 1
2144 }) { 2736 }) {
2145 $self->message ("Something went wrong deep within the crossfire server. " 2737 $self->message ("Something went wrong deep within the deliantra server. "
2146 . "I'll try to bring you back to the map you were before. " 2738 . "I'll try to bring you back to the map you were before. "
2147 . "Please report this to the dungeon master!", 2739 . "Please report this to the dungeon master!",
2148 cf::NDI_UNIQUE | cf::NDI_RED); 2740 cf::NDI_UNIQUE | cf::NDI_RED);
2149 2741
2150 warn "ERROR in enter_exit: $@"; 2742 warn "ERROR in enter_exit: $@";
… …
2169 2761
2170 utf8::encode $text; 2762 utf8::encode $text;
2171 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2763 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172} 2764}
2173 2765
2766=item $client->send_msg ($channel, $msg, $color, [extra...])
2767
2768Send a drawinfo or msg packet to the client, formatting the msg for the
2769client if neccessary. C<$type> should be a string identifying the type of
2770the message, with C<log> being the default. If C<$color> is negative, suppress
2771the message unless the client supports the msg packet.
2772
2773=cut
2774
2775# non-persistent channels (usually the info channel)
2776our %CHANNEL = (
2777 "c/identify" => {
2778 id => "infobox",
2779 title => "Identify",
2780 reply => undef,
2781 tooltip => "Items recently identified",
2782 },
2783 "c/examine" => {
2784 id => "infobox",
2785 title => "Examine",
2786 reply => undef,
2787 tooltip => "Signs and other items you examined",
2788 },
2789 "c/book" => {
2790 id => "infobox",
2791 title => "Book",
2792 reply => undef,
2793 tooltip => "The contents of a note or book",
2794 },
2795 "c/lookat" => {
2796 id => "infobox",
2797 title => "Look",
2798 reply => undef,
2799 tooltip => "What you saw there",
2800 },
2801 "c/who" => {
2802 id => "infobox",
2803 title => "Players",
2804 reply => undef,
2805 tooltip => "Shows players who are currently online",
2806 },
2807 "c/body" => {
2808 id => "infobox",
2809 title => "Body Parts",
2810 reply => undef,
2811 tooltip => "Shows which body parts you posess and are available",
2812 },
2813 "c/skills" => {
2814 id => "infobox",
2815 title => "Skills",
2816 reply => undef,
2817 tooltip => "Shows your experience per skill and item power",
2818 },
2819 "c/uptime" => {
2820 id => "infobox",
2821 title => "Uptime",
2822 reply => undef,
2823 tooltip => "How long the server has been running since last restart",
2824 },
2825 "c/mapinfo" => {
2826 id => "infobox",
2827 title => "Map Info",
2828 reply => undef,
2829 tooltip => "Information related to the maps",
2830 },
2831 "c/party" => {
2832 id => "party",
2833 title => "Party",
2834 reply => "gsay ",
2835 tooltip => "Messages and chat related to your party",
2836 },
2837);
2838
2839sub cf::client::send_msg {
2840 my ($self, $channel, $msg, $color, @extra) = @_;
2841
2842 $msg = $self->pl->expand_cfpod ($msg)
2843 unless $color & cf::NDI_VERBATIM;
2844
2845 $color &= cf::NDI_CLIENT_MASK; # just in case...
2846
2847 # check predefined channels, for the benefit of C
2848 if ($CHANNEL{$channel}) {
2849 $channel = $CHANNEL{$channel};
2850
2851 $self->ext_msg (channel_info => $channel)
2852 if $self->can_msg;
2853
2854 $channel = $channel->{id};
2855
2856 } elsif (ref $channel) {
2857 # send meta info to client, if not yet sent
2858 unless (exists $self->{channel}{$channel->{id}}) {
2859 $self->{channel}{$channel->{id}} = $channel;
2860 $self->ext_msg (channel_info => $channel)
2861 if $self->can_msg;
2862 }
2863
2864 $channel = $channel->{id};
2865 }
2866
2867 return unless @extra || length $msg;
2868
2869 if ($self->can_msg) {
2870 # default colour, mask it out
2871 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2872 if $color & cf::NDI_DEF;
2873
2874 my $pkt = "msg "
2875 . $self->{json_coder}->encode (
2876 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2877 );
2878
2879 # try lzf for large packets
2880 $pkt = "lzf " . Compress::LZF::compress $pkt
2881 if 1024 <= length $pkt and $self->{can_lzf};
2882
2883 # split very large packets
2884 if (8192 < length $pkt and $self->{can_lzf}) {
2885 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2886 $pkt = "frag";
2887 }
2888
2889 $self->send_packet ($pkt);
2890 } else {
2891 if ($color >= 0) {
2892 # replace some tags by gcfclient-compatible ones
2893 for ($msg) {
2894 1 while
2895 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2896 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2897 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2898 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2899 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2900 }
2901
2902 $color &= cf::NDI_COLOR_MASK;
2903
2904 utf8::encode $msg;
2905
2906 if (0 && $msg =~ /\[/) {
2907 # COMMAND/INFO
2908 $self->send_packet ("drawextinfo $color 10 8 $msg")
2909 } else {
2910 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2911 $self->send_packet ("drawinfo $color $msg")
2912 }
2913 }
2914 }
2915}
2916
2174=item $client->ext_event ($type, %msg) 2917=item $client->ext_msg ($type, @msg)
2175 2918
2176Sends an exti event to the client. 2919Sends an ext event to the client.
2177 2920
2178=cut 2921=cut
2179 2922
2180sub cf::client::ext_event($$%) { 2923sub cf::client::ext_msg($$@) {
2181 my ($self, $type, %msg) = @_; 2924 my ($self, $type, @msg) = @_;
2182 2925
2926 if ($self->extcmd == 2) {
2927 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2928 } elsif ($self->extcmd == 1) { # TODO: remove
2183 $msg{msgtype} = "event_$type"; 2929 push @msg, msgtype => "event_$type";
2184 $self->send_packet ("ext " . cf::to_json \%msg); 2930 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2931 }
2932}
2933
2934=item $client->ext_reply ($msgid, @msg)
2935
2936Sends an ext reply to the client.
2937
2938=cut
2939
2940sub cf::client::ext_reply($$@) {
2941 my ($self, $id, @msg) = @_;
2942
2943 if ($self->extcmd == 2) {
2944 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2945 } elsif ($self->extcmd == 1) {
2946 #TODO: version 1, remove
2947 unshift @msg, msgtype => "reply", msgid => $id;
2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2185} 2950}
2186 2951
2187=item $success = $client->query ($flags, "text", \&cb) 2952=item $success = $client->query ($flags, "text", \&cb)
2188 2953
2189Queues a query to the client, calling the given callback with 2954Queues a query to the client, calling the given callback with
2190the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2955the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2956C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192 2957
2193Queries can fail, so check the return code. Or don't, as queries will become 2958Queries can fail, so check the return code. Or don't, as queries will
2194reliable at some point in the future. 2959become reliable at some point in the future.
2195 2960
2196=cut 2961=cut
2197 2962
2198sub cf::client::query { 2963sub cf::client::query {
2199 my ($self, $flags, $text, $cb) = @_; 2964 my ($self, $flags, $text, $cb) = @_;
… …
2207 utf8::encode $text; 2972 utf8::encode $text;
2208 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2973 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209 2974
2210 $self->send_packet ($self->{query_queue}[0][0]) 2975 $self->send_packet ($self->{query_queue}[0][0])
2211 if @{ $self->{query_queue} } == 1; 2976 if @{ $self->{query_queue} } == 1;
2977
2978 1
2212} 2979}
2213 2980
2214cf::client->attach ( 2981cf::client->attach (
2982 on_connect => sub {
2983 my ($ns) = @_;
2984
2985 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2986 },
2215 on_reply => sub { 2987 on_reply => sub {
2216 my ($ns, $msg) = @_; 2988 my ($ns, $msg) = @_;
2217 2989
2218 # this weird shuffling is so that direct followup queries 2990 # this weird shuffling is so that direct followup queries
2219 # get handled first 2991 # get handled first
… …
2231 } else { 3003 } else {
2232 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3004 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233 } 3005 }
2234 } 3006 }
2235 }, 3007 },
3008 on_exticmd => sub {
3009 my ($ns, $buf) = @_;
3010
3011 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3012
3013 if (ref $msg) {
3014 my ($type, $reply, @payload) =
3015 "ARRAY" eq ref $msg
3016 ? @$msg
3017 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3018
3019 my @reply;
3020
3021 if (my $cb = $EXTICMD{$type}) {
3022 @reply = $cb->($ns, @payload);
3023 }
3024
3025 $ns->ext_reply ($reply, @reply)
3026 if $reply;
3027
3028 } else {
3029 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3030 }
3031
3032 cf::override;
3033 },
2236); 3034);
2237 3035
2238=item $client->async (\&cb) 3036=item $client->async (\&cb)
2239 3037
2240Create a new coroutine, running the specified callback. The coroutine will 3038Create a new coroutine, running the specified callback. The coroutine will
… …
2281our $safe = new Safe "safe"; 3079our $safe = new Safe "safe";
2282our $safe_hole = new Safe::Hole; 3080our $safe_hole = new Safe::Hole;
2283 3081
2284$SIG{FPE} = 'IGNORE'; 3082$SIG{FPE} = 'IGNORE';
2285 3083
2286$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3084$safe->permit_only (Opcode::opset qw(
3085 :base_core :base_mem :base_orig :base_math
3086 grepstart grepwhile mapstart mapwhile
3087 sort time
3088));
2287 3089
2288# here we export the classes and methods available to script code 3090# here we export the classes and methods available to script code
2289 3091
2290=pod 3092=pod
2291 3093
2292The following functions and methods are available within a safe environment: 3094The following functions and methods are available within a safe environment:
2293 3095
2294 cf::object contr pay_amount pay_player map 3096 cf::object
3097 contr pay_amount pay_player map x y force_find force_add destroy
3098 insert remove name archname title slaying race decrease split
3099
2295 cf::object::player player 3100 cf::object::player
2296 cf::player peaceful 3101 player
2297 cf::map trigger 3102
3103 cf::player
3104 peaceful
3105
3106 cf::map
3107 trigger
2298 3108
2299=cut 3109=cut
2300 3110
2301for ( 3111for (
2302 ["cf::object" => qw(contr pay_amount pay_player map)], 3112 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3113 insert remove inv nrof name archname title slaying race
3114 decrease split destroy change_exp)],
2303 ["cf::object::player" => qw(player)], 3115 ["cf::object::player" => qw(player)],
2304 ["cf::player" => qw(peaceful)], 3116 ["cf::player" => qw(peaceful)],
2305 ["cf::map" => qw(trigger)], 3117 ["cf::map" => qw(trigger)],
2306) { 3118) {
2307 no strict 'refs'; 3119 no strict 'refs';
… …
2378=back 3190=back
2379 3191
2380=cut 3192=cut
2381 3193
2382############################################################################# 3194#############################################################################
2383
2384=head2 EXTENSION DATABASE SUPPORT
2385
2386Crossfire maintains a very simple database for extension use. It can
2387currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388convert to/from binary).
2389
2390The parameter C<$family> should best start with the name of the extension
2391using it, it should be unique.
2392
2393=over 4
2394
2395=item $value = cf::db_get $family => $key
2396
2397Returns a single value from the database.
2398
2399=item cf::db_put $family => $key => $value
2400
2401Stores the given C<$value> in the family.
2402
2403=cut
2404
2405our $DB;
2406
2407sub db_init {
2408 unless ($DB) {
2409 $DB = BDB::db_create $DB_ENV;
2410
2411 cf::sync_job {
2412 eval {
2413 $DB->set_flags (BDB::CHKSUM);
2414
2415 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417 cf::cleanup "db_open(db): $!" if $!;
2418 };
2419 cf::cleanup "db_open(db): $@" if $@;
2420 };
2421 }
2422}
2423
2424sub db_get($$) {
2425 my $key = "$_[0]/$_[1]";
2426
2427 cf::sync_job {
2428 BDB::db_get $DB, undef, $key, my $data;
2429
2430 $! ? ()
2431 : $data
2432 }
2433}
2434
2435sub db_put($$$) {
2436 BDB::dbreq_pri 4;
2437 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438}
2439
2440=item cf::cache $id => [$paths...], $processversion => $process
2441
2442Generic caching function that returns the value of the resource $id,
2443caching and regenerating as required.
2444
2445This function can block.
2446
2447=cut
2448
2449sub cache {
2450 my ($id, $src, $processversion, $process) = @_;
2451
2452 my $meta =
2453 join "\x00",
2454 $processversion,
2455 map {
2456 aio_stat $_
2457 and Carp::croak "$_: $!";
2458
2459 ($_, (stat _)[7,9])
2460 } @$src;
2461
2462 my $dbmeta = db_get cache => "$id/meta";
2463 if ($dbmeta ne $meta) {
2464 # changed, we may need to process
2465
2466 my @data;
2467 my $md5;
2468
2469 for (0 .. $#$src) {
2470 0 <= aio_load $src->[$_], $data[$_]
2471 or Carp::croak "$src->[$_]: $!";
2472 }
2473
2474 # if processing is expensive, check
2475 # checksum first
2476 if (1) {
2477 $md5 =
2478 join "\x00",
2479 $processversion,
2480 map {
2481 Coro::cede;
2482 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2483 } 0.. $#$src;
2484
2485
2486 my $dbmd5 = db_get cache => "$id/md5";
2487 if ($dbmd5 eq $md5) {
2488 db_put cache => "$id/meta", $meta;
2489
2490 return db_get cache => "$id/data";
2491 }
2492 }
2493
2494 my $t1 = Time::HiRes::time;
2495 my $data = $process->(\@data);
2496 my $t2 = Time::HiRes::time;
2497
2498 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500 db_put cache => "$id/data", $data;
2501 db_put cache => "$id/md5" , $md5;
2502 db_put cache => "$id/meta", $meta;
2503
2504 return $data;
2505 }
2506
2507 db_get cache => "$id/data"
2508}
2509
2510=item fork_call { }, $args
2511
2512Executes the given code block with the given arguments in a seperate
2513process, returning the results. Everything must be serialisable with
2514Coro::Storable. May, of course, block. Note that the executed sub may
2515never block itself or use any form of Event handling.
2516
2517=cut
2518
2519sub fork_call(&@) {
2520 my ($cb, @args) = @_;
2521
2522# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523# or die "socketpair: $!";
2524 pipe my $fh1, my $fh2
2525 or die "pipe: $!";
2526
2527 if (my $pid = fork) {
2528 close $fh2;
2529
2530 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531 $res = Coro::Storable::thaw $res;
2532
2533 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535 die $$res unless "ARRAY" eq ref $res;
2536
2537 return wantarray ? @$res : $res->[-1];
2538 } else {
2539 reset_signals;
2540 local $SIG{__WARN__};
2541 local $SIG{__DIE__};
2542 eval {
2543 close $fh1;
2544
2545 my @res = eval { $cb->(@args) };
2546 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547 };
2548
2549 warn $@ if $@;
2550 _exit 0;
2551 }
2552}
2553
2554#############################################################################
2555# the server's init and main functions 3195# the server's init and main functions
2556 3196
2557sub load_facedata($) { 3197sub load_facedata($) {
2558 my ($path) = @_; 3198 my ($path) = @_;
3199
3200 # HACK to clear player env face cache, we need some signal framework
3201 # for this (global event?)
3202 %ext::player_env::MUSIC_FACE_CACHE = ();
3203
3204 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559 3205
2560 warn "loading facedata from $path\n"; 3206 warn "loading facedata from $path\n";
2561 3207
2562 my $facedata; 3208 my $facedata;
2563 0 < aio_load $path, $facedata 3209 0 < aio_load $path, $facedata
… …
2566 $facedata = Coro::Storable::thaw $facedata; 3212 $facedata = Coro::Storable::thaw $facedata;
2567 3213
2568 $facedata->{version} == 2 3214 $facedata->{version} == 2
2569 or cf::cleanup "$path: version mismatch, cannot proceed."; 3215 or cf::cleanup "$path: version mismatch, cannot proceed.";
2570 3216
3217 # patch in the exptable
3218 $facedata->{resource}{"res/exp_table"} = {
3219 type => FT_RSRC,
3220 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3221 };
3222 cf::cede_to_tick;
3223
2571 { 3224 {
2572 my $faces = $facedata->{faceinfo}; 3225 my $faces = $facedata->{faceinfo};
2573 3226
2574 while (my ($face, $info) = each %$faces) { 3227 while (my ($face, $info) = each %$faces) {
2575 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3228 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3229
2576 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3230 cf::face::set_visibility $idx, $info->{visibility};
3231 cf::face::set_magicmap $idx, $info->{magicmap};
2577 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3232 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3233 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579 Coro::cede; 3234
3235 cf::cede_to_tick;
2580 } 3236 }
2581 3237
2582 while (my ($face, $info) = each %$faces) { 3238 while (my ($face, $info) = each %$faces) {
2583 next unless $info->{smooth}; 3239 next unless $info->{smooth};
3240
2584 my $idx = cf::face::find $face 3241 my $idx = cf::face::find $face
2585 or next; 3242 or next;
3243
2586 if (my $smooth = cf::face::find $info->{smooth}) { 3244 if (my $smooth = cf::face::find $info->{smooth}) {
3245 cf::face::set_smooth $idx, $smooth;
2587 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3246 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588 } else { 3247 } else {
2589 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3248 warn "smooth face '$info->{smooth}' not found for face '$face'";
2590 } 3249 }
2591 Coro::cede; 3250
3251 cf::cede_to_tick;
2592 } 3252 }
2593 } 3253 }
2594 3254
2595 { 3255 {
2596 my $anims = $facedata->{animinfo}; 3256 my $anims = $facedata->{animinfo};
2597 3257
2598 while (my ($anim, $info) = each %$anims) { 3258 while (my ($anim, $info) = each %$anims) {
2599 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3259 cf::anim::set $anim, $info->{frames}, $info->{facings};
2600 Coro::cede; 3260 cf::cede_to_tick;
2601 } 3261 }
2602 3262
2603 cf::anim::invalidate_all; # d'oh 3263 cf::anim::invalidate_all; # d'oh
2604 } 3264 }
2605 3265
3266 {
3267 # TODO: for gcfclient pleasure, we should give resources
3268 # that gcfclient doesn't grok a >10000 face index.
3269 my $res = $facedata->{resource};
3270
3271 while (my ($name, $info) = each %$res) {
3272 if (defined $info->{type}) {
3273 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3274 my $data;
3275
3276 if ($info->{type} & 1) {
3277 # prepend meta info
3278
3279 my $meta = $enc->encode ({
3280 name => $name,
3281 %{ $info->{meta} || {} },
3282 });
3283
3284 $data = pack "(w/a*)*", $meta, $info->{data};
3285 } else {
3286 $data = $info->{data};
3287 }
3288
3289 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3290 cf::face::set_type $idx, $info->{type};
3291 } else {
3292 $RESOURCE{$name} = $info;
3293 }
3294
3295 cf::cede_to_tick;
3296 }
3297 }
3298
3299 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3300
2606 1 3301 1
2607} 3302}
2608 3303
3304cf::global->attach (on_resource_update => sub {
3305 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3306 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3307
3308 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3309 my $sound = $soundconf->{compat}[$_]
3310 or next;
3311
3312 my $face = cf::face::find "sound/$sound->[1]";
3313 cf::sound::set $sound->[0] => $face;
3314 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3315 }
3316
3317 while (my ($k, $v) = each %{$soundconf->{event}}) {
3318 my $face = cf::face::find "sound/$v";
3319 cf::sound::set $k => $face;
3320 }
3321 }
3322});
3323
3324register_exticmd fx_want => sub {
3325 my ($ns, $want) = @_;
3326
3327 while (my ($k, $v) = each %$want) {
3328 $ns->fx_want ($k, $v);
3329 }
3330};
3331
3332sub load_resource_file($) {
3333 my $guard = lock_acquire "load_resource_file";
3334
3335 my $status = load_resource_file_ $_[0];
3336 get_slot 0.1, 100;
3337 cf::arch::commit_load;
3338
3339 $status
3340}
3341
2609sub reload_regions { 3342sub reload_regions {
3343 # HACK to clear player env face cache, we need some signal framework
3344 # for this (global event?)
3345 %ext::player_env::MUSIC_FACE_CACHE = ();
3346
2610 load_resource_file "$MAPDIR/regions" 3347 load_resource_file "$MAPDIR/regions"
2611 or die "unable to load regions file\n"; 3348 or die "unable to load regions file\n";
3349
3350 for (cf::region::list) {
3351 $_->{match} = qr/$_->{match}/
3352 if exists $_->{match};
3353 }
2612} 3354}
2613 3355
2614sub reload_facedata { 3356sub reload_facedata {
2615 load_facedata "$DATADIR/facedata" 3357 load_facedata "$DATADIR/facedata"
2616 or die "unable to load facedata\n"; 3358 or die "unable to load facedata\n";
… …
2627} 3369}
2628 3370
2629sub reload_resources { 3371sub reload_resources {
2630 warn "reloading resource files...\n"; 3372 warn "reloading resource files...\n";
2631 3373
3374 reload_facedata;
3375 reload_archetypes;
2632 reload_regions; 3376 reload_regions;
2633 reload_facedata;
2634 #reload_archetypes;#d#
2635 reload_archetypes;
2636 reload_treasures; 3377 reload_treasures;
2637 3378
2638 warn "finished reloading resource files\n"; 3379 warn "finished reloading resource files\n";
2639} 3380}
2640 3381
2641sub init { 3382sub reload_config {
2642 reload_resources;
2643}
2644
2645sub cfg_load {
2646 open my $fh, "<:utf8", "$CONFDIR/config" 3383 open my $fh, "<:utf8", "$CONFDIR/config"
2647 or return; 3384 or return;
2648 3385
2649 local $/; 3386 local $/;
2650 *CFG = YAML::Syck::Load <$fh>; 3387 *CFG = YAML::Load <$fh>;
2651 3388
2652 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3389 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653 3390
2654 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3391 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3392 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2661 }; 3398 };
2662 warn $@ if $@; 3399 warn $@ if $@;
2663 } 3400 }
2664} 3401}
2665 3402
3403sub pidfile() {
3404 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3405 or die "$PIDFILE: $!";
3406 flock $fh, &Fcntl::LOCK_EX
3407 or die "$PIDFILE: flock: $!";
3408 $fh
3409}
3410
3411# make sure only one server instance is running at any one time
3412sub atomic {
3413 my $fh = pidfile;
3414
3415 my $pid = <$fh>;
3416 kill 9, $pid if $pid > 0;
3417
3418 seek $fh, 0, 0;
3419 print $fh $$;
3420}
3421
2666sub main { 3422sub main {
3423 cf::init_globals; # initialise logging
3424
3425 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3426 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3427 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3428 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3429
3430 cf::init_experience;
3431 cf::init_anim;
3432 cf::init_attackmess;
3433 cf::init_dynamic;
3434 cf::init_block;
3435
3436 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3437
2667 # we must not ever block the main coroutine 3438 # we must not ever block the main coroutine
2668 local $Coro::idle = sub { 3439 local $Coro::idle = sub {
2669 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3440 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670 (async { 3441 (async {
2671 Event::one_event; 3442 $Coro::current->{desc} = "IDLE BUG HANDLER";
3443 EV::loop EV::LOOP_ONESHOT;
2672 })->prio (Coro::PRIO_MAX); 3444 })->prio (Coro::PRIO_MAX);
2673 }; 3445 };
2674 3446
2675 cfg_load; 3447 evthread_start IO::AIO::poll_fileno;
3448
3449 cf::sync_job {
3450 reload_resources;
3451 reload_config;
2676 db_init; 3452 db_init;
3453
3454 cf::load_settings;
3455 cf::load_materials;
3456 cf::init_uuid;
3457 cf::init_signals;
3458 cf::init_commands;
3459 cf::init_skills;
3460
3461 cf::init_beforeplay;
3462
3463 atomic;
3464
2677 load_extensions; 3465 load_extensions;
2678 3466
2679 $TICK_WATCHER->start; 3467 utime time, time, $RUNTIMEFILE;
3468
3469 # no (long-running) fork's whatsoever before this point(!)
3470 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3471
3472 (pop @POST_INIT)->(0) while @POST_INIT;
3473 };
3474
2680 Event::loop; 3475 EV::loop;
2681} 3476}
2682 3477
2683############################################################################# 3478#############################################################################
2684# initialisation and cleanup 3479# initialisation and cleanup
2685 3480
2686# install some emergency cleanup handlers 3481# install some emergency cleanup handlers
2687BEGIN { 3482BEGIN {
3483 our %SIGWATCHER = ();
2688 for my $signal (qw(INT HUP TERM)) { 3484 for my $signal (qw(INT HUP TERM)) {
2689 Event->signal ( 3485 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2690 reentrant => 0,
2691 data => WF_AUTOCANCEL,
2692 signal => $signal,
2693 prio => 0,
2694 cb => sub {
2695 cf::cleanup "SIG$signal"; 3486 cf::cleanup "SIG$signal";
2696 },
2697 ); 3487 };
3488 }
3489}
3490
3491sub write_runtime_sync {
3492 # first touch the runtime file to show we are still running:
3493 # the fsync below can take a very very long time.
3494
3495 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3496
3497 my $guard = cf::lock_acquire "write_runtime";
3498
3499 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3500 or return;
3501
3502 my $value = $cf::RUNTIME + 90 + 10;
3503 # 10 is the runtime save interval, for a monotonic clock
3504 # 60 allows for the watchdog to kill the server.
3505
3506 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3507 and return;
3508
3509 # always fsync - this file is important
3510 aio_fsync $fh
3511 and return;
3512
3513 # touch it again to show we are up-to-date
3514 aio_utime $fh, undef, undef;
3515
3516 close $fh
3517 or return;
3518
3519 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3520 and return;
3521
3522 warn "runtime file written.\n";
3523
2698 } 3524 1
3525}
3526
3527our $uuid_lock;
3528our $uuid_skip;
3529
3530sub write_uuid_sync($) {
3531 $uuid_skip ||= $_[0];
3532
3533 return if $uuid_lock;
3534 local $uuid_lock = 1;
3535
3536 my $uuid = "$LOCALDIR/uuid";
3537
3538 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3539 or return;
3540
3541 my $value = uuid_seq uuid_cur;
3542
3543 unless ($value) {
3544 warn "cowardly refusing to write zero uuid value!\n";
3545 return;
3546 }
3547
3548 my $value = uuid_str $value + $uuid_skip;
3549 $uuid_skip = 0;
3550
3551 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3552 and return;
3553
3554 # always fsync - this file is important
3555 aio_fsync $fh
3556 and return;
3557
3558 close $fh
3559 or return;
3560
3561 aio_rename "$uuid~", $uuid
3562 and return;
3563
3564 warn "uuid file written ($value).\n";
3565
3566 1
3567
3568}
3569
3570sub write_uuid($$) {
3571 my ($skip, $sync) = @_;
3572
3573 $sync ? write_uuid_sync $skip
3574 : async { write_uuid_sync $skip };
2699} 3575}
2700 3576
2701sub emergency_save() { 3577sub emergency_save() {
2702 my $freeze_guard = cf::freeze_mainloop; 3578 my $freeze_guard = cf::freeze_mainloop;
2703 3579
2704 warn "enter emergency perl save\n"; 3580 warn "emergency_perl_save: enter\n";
2705 3581
2706 cf::sync_job { 3582 cf::sync_job {
3583 # this is a trade-off: we want to be very quick here, so
3584 # save all maps without fsync, and later call a global sync
3585 # (which in turn might be very very slow)
3586 local $USE_FSYNC = 0;
3587
2707 # use a peculiar iteration method to avoid tripping on perl 3588 # use a peculiar iteration method to avoid tripping on perl
2708 # refcount bugs in for. also avoids problems with players 3589 # refcount bugs in for. also avoids problems with players
2709 # and maps saved/destroyed asynchronously. 3590 # and maps saved/destroyed asynchronously.
2710 warn "begin emergency player save\n"; 3591 warn "emergency_perl_save: begin player save\n";
2711 for my $login (keys %cf::PLAYER) { 3592 for my $login (keys %cf::PLAYER) {
2712 my $pl = $cf::PLAYER{$login} or next; 3593 my $pl = $cf::PLAYER{$login} or next;
2713 $pl->valid or next; 3594 $pl->valid or next;
3595 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714 $pl->save; 3596 $pl->save;
2715 } 3597 }
2716 warn "end emergency player save\n"; 3598 warn "emergency_perl_save: end player save\n";
2717 3599
2718 warn "begin emergency map save\n"; 3600 warn "emergency_perl_save: begin map save\n";
2719 for my $path (keys %cf::MAP) { 3601 for my $path (keys %cf::MAP) {
2720 my $map = $cf::MAP{$path} or next; 3602 my $map = $cf::MAP{$path} or next;
2721 $map->valid or next; 3603 $map->valid or next;
2722 $map->save; 3604 $map->save;
2723 } 3605 }
2724 warn "end emergency map save\n"; 3606 warn "emergency_perl_save: end map save\n";
2725 3607
2726 warn "begin emergency database checkpoint\n"; 3608 warn "emergency_perl_save: begin database checkpoint\n";
2727 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
2728 warn "end emergency database checkpoint\n"; 3610 warn "emergency_perl_save: end database checkpoint\n";
3611
3612 warn "emergency_perl_save: begin write uuid\n";
3613 write_uuid_sync 1;
3614 warn "emergency_perl_save: end write uuid\n";
2729 }; 3615 };
2730 3616
3617 warn "emergency_perl_save: starting sync()\n";
3618 IO::AIO::aio_sync sub {
3619 warn "emergency_perl_save: finished sync()\n";
3620 };
3621
2731 warn "leave emergency perl save\n"; 3622 warn "emergency_perl_save: leave\n";
2732} 3623}
2733 3624
2734sub post_cleanup { 3625sub post_cleanup {
2735 my ($make_core) = @_; 3626 my ($make_core) = @_;
2736 3627
2737 warn Carp::longmess "post_cleanup backtrace" 3628 warn Carp::longmess "post_cleanup backtrace"
2738 if $make_core; 3629 if $make_core;
3630
3631 my $fh = pidfile;
3632 unlink $PIDFILE if <$fh> == $$;
3633}
3634
3635# a safer delete_package, copied from Symbol
3636sub clear_package($) {
3637 my $pkg = shift;
3638
3639 # expand to full symbol table name if needed
3640 unless ($pkg =~ /^main::.*::$/) {
3641 $pkg = "main$pkg" if $pkg =~ /^::/;
3642 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3643 $pkg .= '::' unless $pkg =~ /::$/;
3644 }
3645
3646 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3647 my $stem_symtab = *{$stem}{HASH};
3648
3649 defined $stem_symtab and exists $stem_symtab->{$leaf}
3650 or return;
3651
3652 # clear all symbols
3653 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3654 for my $name (keys %$leaf_symtab) {
3655 _gv_clear *{"$pkg$name"};
3656# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3657 }
3658 warn "cleared package $pkg\n";#d#
2739} 3659}
2740 3660
2741sub do_reload_perl() { 3661sub do_reload_perl() {
2742 # can/must only be called in main 3662 # can/must only be called in main
2743 if ($Coro::current != $Coro::main) { 3663 if ($Coro::current != $Coro::main) {
2744 warn "can only reload from main coroutine"; 3664 warn "can only reload from main coroutine";
2745 return; 3665 return;
2746 } 3666 }
2747 3667
3668 return if $RELOAD++;
3669
3670 my $t1 = EV::time;
3671
3672 while ($RELOAD) {
2748 warn "reloading..."; 3673 warn "reloading...";
2749 3674
2750 warn "entering sync_job"; 3675 warn "entering sync_job";
2751 3676
2752 cf::sync_job { 3677 cf::sync_job {
2753 cf::write_runtime; # external watchdog should not bark 3678 cf::write_runtime_sync; # external watchdog should not bark
2754 cf::emergency_save; 3679 cf::emergency_save;
2755 cf::write_runtime; # external watchdog should not bark 3680 cf::write_runtime_sync; # external watchdog should not bark
2756 3681
2757 warn "syncing database to disk"; 3682 warn "syncing database to disk";
2758 BDB::db_env_txn_checkpoint $DB_ENV; 3683 BDB::db_env_txn_checkpoint $DB_ENV;
2759 3684
2760 # if anything goes wrong in here, we should simply crash as we already saved 3685 # if anything goes wrong in here, we should simply crash as we already saved
2761 3686
2762 warn "cancelling all WF_AUTOCANCEL watchers";
2763 for (Event::all_watchers) {
2764 $_->cancel if $_->data & WF_AUTOCANCEL;
2765 }
2766
2767 warn "flushing outstanding aio requests"; 3687 warn "flushing outstanding aio requests";
2768 for (;;) {
2769 BDB::flush;
2770 IO::AIO::flush;
2771 Coro::cede;
2772 last unless IO::AIO::nreqs || BDB::nreqs; 3688 while (IO::AIO::nreqs || BDB::nreqs) {
2773 warn "iterate..."; 3689 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774 }
2775
2776 ++$RELOAD;
2777
2778 warn "cancelling all extension coros";
2779 $_->cancel for values %EXT_CORO;
2780 %EXT_CORO = ();
2781
2782 warn "removing commands";
2783 %COMMAND = ();
2784
2785 warn "removing ext commands";
2786 %EXTCMD = ();
2787
2788 warn "unloading/nuking all extensions";
2789 for my $pkg (@EXTS) {
2790 warn "... unloading $pkg";
2791
2792 if (my $cb = $pkg->can ("unload")) {
2793 eval {
2794 $cb->($pkg);
2795 1
2796 } or warn "$pkg unloaded, but with errors: $@";
2797 } 3690 }
2798 3691
2799 warn "... nuking $pkg"; 3692 warn "cancelling all extension coros";
2800 Symbol::delete_package $pkg; 3693 $_->cancel for values %EXT_CORO;
2801 } 3694 %EXT_CORO = ();
2802 3695
2803 warn "unloading all perl modules loaded from $LIBDIR"; 3696 warn "removing commands";
2804 while (my ($k, $v) = each %INC) { 3697 %COMMAND = ();
2805 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806 3698
3699 warn "removing ext/exti commands";
3700 %EXTCMD = ();
3701 %EXTICMD = ();
3702
3703 warn "unloading/nuking all extensions";
3704 for my $pkg (@EXTS) {
2807 warn "... unloading $k"; 3705 warn "... unloading $pkg";
2808 delete $INC{$k};
2809 3706
2810 $k =~ s/\.pm$//;
2811 $k =~ s/\//::/g;
2812
2813 if (my $cb = $k->can ("unload_module")) { 3707 if (my $cb = $pkg->can ("unload")) {
3708 eval {
2814 $cb->(); 3709 $cb->($pkg);
3710 1
3711 } or warn "$pkg unloaded, but with errors: $@";
3712 }
3713
3714 warn "... clearing $pkg";
3715 clear_package $pkg;
2815 } 3716 }
2816 3717
2817 Symbol::delete_package $k; 3718 warn "unloading all perl modules loaded from $LIBDIR";
3719 while (my ($k, $v) = each %INC) {
3720 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3721
3722 warn "... unloading $k";
3723 delete $INC{$k};
3724
3725 $k =~ s/\.pm$//;
3726 $k =~ s/\//::/g;
3727
3728 if (my $cb = $k->can ("unload_module")) {
3729 $cb->();
3730 }
3731
3732 clear_package $k;
2818 } 3733 }
2819 3734
2820 warn "getting rid of safe::, as good as possible"; 3735 warn "getting rid of safe::, as good as possible";
2821 Symbol::delete_package "safe::$_" 3736 clear_package "safe::$_"
2822 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3737 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823 3738
2824 warn "unloading cf.pm \"a bit\""; 3739 warn "unloading cf.pm \"a bit\"";
2825 delete $INC{"cf.pm"}; 3740 delete $INC{"cf.pm"};
2826 delete $INC{"cf/pod.pm"}; 3741 delete $INC{"cf/pod.pm"};
2827 3742
2828 # don't, removes xs symbols, too, 3743 # don't, removes xs symbols, too,
2829 # and global variables created in xs 3744 # and global variables created in xs
2830 #Symbol::delete_package __PACKAGE__; 3745 #clear_package __PACKAGE__;
2831 3746
2832 warn "unload completed, starting to reload now"; 3747 warn "unload completed, starting to reload now";
2833 3748
2834 warn "reloading cf.pm"; 3749 warn "reloading cf.pm";
2835 require cf; 3750 require cf;
2836 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3751 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837 3752
2838 warn "loading config and database again"; 3753 warn "loading config and database again";
2839 cf::cfg_load; 3754 cf::reload_config;
2840 3755
2841 warn "loading extensions"; 3756 warn "loading extensions";
2842 cf::load_extensions; 3757 cf::load_extensions;
2843 3758
3759 if ($REATTACH_ON_RELOAD) {
2844 warn "reattaching attachments to objects/players"; 3760 warn "reattaching attachments to objects/players";
2845 _global_reattach; # objects, sockets 3761 _global_reattach; # objects, sockets
2846 warn "reattaching attachments to maps"; 3762 warn "reattaching attachments to maps";
2847 reattach $_ for values %MAP; 3763 reattach $_ for values %MAP;
2848 warn "reattaching attachments to players"; 3764 warn "reattaching attachments to players";
2849 reattach $_ for values %PLAYER; 3765 reattach $_ for values %PLAYER;
3766 }
2850 3767
3768 warn "running post_init jobs";
3769 (pop @POST_INIT)->(1) while @POST_INIT;
3770
2851 warn "leaving sync_job"; 3771 warn "leaving sync_job";
2852 3772
2853 1 3773 1
2854 } or do { 3774 } or do {
2855 warn $@; 3775 warn $@;
2856 warn "error while reloading, exiting."; 3776 cf::cleanup "error while reloading, exiting.";
2857 exit 1;
2858 }; 3777 };
2859 3778
2860 warn "reloaded"; 3779 warn "reloaded";
3780 --$RELOAD;
3781 }
3782
3783 $t1 = EV::time - $t1;
3784 warn "reload completed in ${t1}s\n";
2861}; 3785};
2862 3786
2863our $RELOAD_WATCHER; # used only during reload 3787our $RELOAD_WATCHER; # used only during reload
2864 3788
2865sub reload_perl() { 3789sub reload_perl() {
2866 # doing reload synchronously and two reloads happen back-to-back, 3790 # doing reload synchronously and two reloads happen back-to-back,
2867 # coro crashes during coro_state_free->destroy here. 3791 # coro crashes during coro_state_free->destroy here.
2868 3792
2869 $RELOAD_WATCHER ||= Event->timer ( 3793 $RELOAD_WATCHER ||= cf::async {
2870 reentrant => 0, 3794 Coro::AIO::aio_wait cache_extensions;
2871 after => 0, 3795
2872 data => WF_AUTOCANCEL, 3796 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2873 cb => sub {
2874 do_reload_perl; 3797 do_reload_perl;
2875 undef $RELOAD_WATCHER; 3798 undef $RELOAD_WATCHER;
2876 }, 3799 };
2877 ); 3800 };
2878} 3801}
2879 3802
2880register_command "reload" => sub { 3803register_command "reload" => sub {
2881 my ($who, $arg) = @_; 3804 my ($who, $arg) = @_;
2882 3805
2883 if ($who->flag (FLAG_WIZ)) { 3806 if ($who->flag (FLAG_WIZ)) {
2884 $who->message ("reloading server."); 3807 $who->message ("reloading server.");
3808 async {
3809 $Coro::current->{desc} = "perl_reload";
2885 async { reload_perl }; 3810 reload_perl;
3811 };
2886 } 3812 }
2887}; 3813};
2888 3814
2889unshift @INC, $LIBDIR; 3815unshift @INC, $LIBDIR;
2890 3816
… …
2892 3818
2893our @WAIT_FOR_TICK; 3819our @WAIT_FOR_TICK;
2894our @WAIT_FOR_TICK_BEGIN; 3820our @WAIT_FOR_TICK_BEGIN;
2895 3821
2896sub wait_for_tick { 3822sub wait_for_tick {
2897 return unless $TICK_WATCHER->is_active;
2898 return if $Coro::current == $Coro::main; 3823 return if tick_inhibit || $Coro::current == $Coro::main;
2899 3824
2900 my $signal = new Coro::Signal; 3825 my $signal = new Coro::Signal;
2901 push @WAIT_FOR_TICK, $signal; 3826 push @WAIT_FOR_TICK, $signal;
2902 $signal->wait; 3827 $signal->wait;
2903} 3828}
2904 3829
2905sub wait_for_tick_begin { 3830sub wait_for_tick_begin {
2906 return unless $TICK_WATCHER->is_active;
2907 return if $Coro::current == $Coro::main; 3831 return if tick_inhibit || $Coro::current == $Coro::main;
2908 3832
2909 my $signal = new Coro::Signal; 3833 my $signal = new Coro::Signal;
2910 push @WAIT_FOR_TICK_BEGIN, $signal; 3834 push @WAIT_FOR_TICK_BEGIN, $signal;
2911 $signal->wait; 3835 $signal->wait;
2912} 3836}
2913 3837
2914 my $min = 1e6;#d# 3838sub tick {
2915 my $avg = 10;
2916$TICK_WATCHER = Event->timer (
2917 reentrant => 0,
2918 parked => 1,
2919 prio => 0,
2920 at => $NEXT_TICK || $TICK,
2921 data => WF_AUTOCANCEL,
2922 cb => sub {
2923 if ($Coro::current != $Coro::main) { 3839 if ($Coro::current != $Coro::main) {
2924 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3840 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925 unless ++$bug_warning > 10; 3841 unless ++$bug_warning > 10;
2926 return; 3842 return;
2927 } 3843 }
2928 3844
2929 $NOW = $tick_start = Event::time;
2930
2931 cf::server_tick; # one server iteration 3845 cf::server_tick; # one server iteration
2932 3846
2933 0 && sync_job {#d# 3847 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934 for(1..10) { 3848 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935 my $t = Event::time; 3849 Coro::async_pool {
2936 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3850 $Coro::current->{desc} = "runtime saver";
2937 or die; 3851 write_runtime_sync
2938 3852 or warn "ERROR: unable to write runtime file: $!";
2939 $map->width (50);
2940 $map->height (50);
2941 $map->alloc;
2942 $map->_load_objects ("/tmp/x.map", 1);
2943 my $t = Event::time - $t;
2944
2945 #next unless $t < 0.0013;#d#
2946 if ($t < $min) {
2947 $min = $t;
2948 }
2949 $avg = $avg * 0.99 + $t * 0.01;
2950 }
2951 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952 exit 0;
2953 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954 }; 3853 };
3854 }
2955 3855
2956 $RUNTIME += $TICK;
2957 $NEXT_TICK += $TICK;
2958
2959 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960 $NEXT_RUNTIME_WRITE = $NOW + 10;
2961 Coro::async_pool {
2962 write_runtime
2963 or warn "ERROR: unable to write runtime file: $!";
2964 };
2965 }
2966
2967# my $AFTER = Event::time;
2968# warn $AFTER - $NOW;#d#
2969
2970 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971 $sig->send; 3857 $sig->send;
2972 } 3858 }
2973 while (my $sig = shift @WAIT_FOR_TICK) { 3859 while (my $sig = shift @WAIT_FOR_TICK) {
2974 $sig->send; 3860 $sig->send;
2975 } 3861 }
2976 3862
2977 $NOW = Event::time; 3863 $LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979 # if we are delayed by four ticks or more, skip them all
2980 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982 $TICK_WATCHER->at ($NEXT_TICK);
2983 $TICK_WATCHER->start;
2984
2985 $LOAD = ($NOW - $tick_start) / $TICK;
2986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3864 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987 3865
2988 _post_tick; 3866 if (0) {
2989 3867 if ($NEXT_TICK) {
2990 3868 my $jitter = $TICK_START - $NEXT_TICK;
3869 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3870 warn "jitter $JITTER\n";#d#
3871 }
2991 }, 3872 }
2992); 3873}
2993 3874
2994{ 3875{
2995 BDB::max_poll_time $TICK * 0.1; 3876 # configure BDB
2996 $BDB_POLL_WATCHER = Event->io ( 3877
2997 reentrant => 0,
2998 fd => BDB::poll_fileno,
2999 poll => 'r',
3000 prio => 0,
3001 data => WF_AUTOCANCEL,
3002 cb => \&BDB::poll_cb,
3003 );
3004 BDB::min_parallel 8; 3878 BDB::min_parallel 8;
3005 3879 BDB::max_poll_reqs $TICK * 0.1;
3006 BDB::set_sync_prepare { 3880 $AnyEvent::BDB::WATCHER->priority (1);
3007 my $status;
3008 my $current = $Coro::current;
3009 (
3010 sub {
3011 $status = $!;
3012 $current->ready; undef $current;
3013 },
3014 sub {
3015 Coro::schedule while defined $current;
3016 $! = $status;
3017 },
3018 )
3019 };
3020 3881
3021 unless ($DB_ENV) { 3882 unless ($DB_ENV) {
3022 $DB_ENV = BDB::db_env_create; 3883 $DB_ENV = BDB::db_env_create;
3884 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3885 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3886 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3887 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3888 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023 3889
3024 cf::sync_job { 3890 cf::sync_job {
3025 eval { 3891 eval {
3026 BDB::db_env_open 3892 BDB::db_env_open
3027 $DB_ENV, 3893 $DB_ENV,
… …
3029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3895 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3896 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031 0666; 3897 0666;
3032 3898
3033 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3899 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036 $DB_ENV->set_lk_detect;
3037 }; 3900 };
3038 3901
3039 cf::cleanup "db_env_open(db): $@" if $@; 3902 cf::cleanup "db_env_open(db): $@" if $@;
3040 }; 3903 };
3041 } 3904 }
3905
3906 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3907 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3908 };
3909 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3910 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3911 };
3912 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3913 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3914 };
3042} 3915}
3043 3916
3044{ 3917{
3918 # configure IO::AIO
3919
3045 IO::AIO::min_parallel 8; 3920 IO::AIO::min_parallel 8;
3046
3047 undef $Coro::AIO::WATCHER;
3048 IO::AIO::max_poll_time $TICK * 0.1; 3921 IO::AIO::max_poll_time $TICK * 0.1;
3049 $AIO_POLL_WATCHER = Event->io ( 3922 undef $AnyEvent::AIO::WATCHER;
3050 reentrant => 0,
3051 data => WF_AUTOCANCEL,
3052 fd => IO::AIO::poll_fileno,
3053 poll => 'r',
3054 prio => 6,
3055 cb => \&IO::AIO::poll_cb,
3056 );
3057} 3923}
3058 3924
3059my $_log_backtrace; 3925my $_log_backtrace;
3060 3926
3061sub _log_backtrace { 3927sub _log_backtrace {
… …
3064 $msg =~ s/\n//; 3930 $msg =~ s/\n//;
3065 3931
3066 # limit the # of concurrent backtraces 3932 # limit the # of concurrent backtraces
3067 if ($_log_backtrace < 2) { 3933 if ($_log_backtrace < 2) {
3068 ++$_log_backtrace; 3934 ++$_log_backtrace;
3935 my $perl_bt = Carp::longmess $msg;
3069 async { 3936 async {
3937 $Coro::current->{desc} = "abt $msg";
3938
3070 my @bt = fork_call { 3939 my @bt = fork_call {
3071 @addr = map { sprintf "%x", $_ } @addr; 3940 @addr = map { sprintf "%x", $_ } @addr;
3072 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3941 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3942 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074 or die "addr2line: $!"; 3943 or die "addr2line: $!";
… …
3082 } 3951 }
3083 3952
3084 @funcs 3953 @funcs
3085 }; 3954 };
3086 3955
3087 LOG llevInfo, "[ABT] $msg\n"; 3956 LOG llevInfo, "[ABT] $perl_bt\n";
3957 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088 LOG llevInfo, "[ABT] $_\n" for @bt; 3958 LOG llevInfo, "[ABT] $_\n" for @bt;
3089 --$_log_backtrace; 3959 --$_log_backtrace;
3090 }; 3960 };
3091 } else { 3961 } else {
3092 LOG llevInfo, "[ABT] $msg\n"; 3962 LOG llevInfo, "[ABT] $msg\n";

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