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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 2009 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 it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
14 37
38use Guard ();
15use Coro 3.61 (); 39use Coro ();
16use Coro::State; 40use Coro::State;
17use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
18use Coro::Event; 43use Coro::AnyEvent;
19use Coro::Timer; 44use Coro::Timer;
20use Coro::Signal; 45use Coro::Signal;
21use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
22use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
23use Coro::Storable; 51use Coro::Storable;
52use Coro::Util ();
24 53
54use JSON::XS 2.01 ();
25use BDB (); 55use BDB ();
26use Data::Dumper; 56use Data::Dumper;
27use Digest::MD5; 57use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $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 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 282for my $pkg (qw(
198 cf::global cf::attachable 283 cf::global cf::attachable
199 cf::object cf::object::player 284 cf::object cf::object::player
200 cf::client cf::player 285 cf::client cf::player
201 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
202 cf::map cf::party cf::region 288 cf::party cf::region
203)) { 289)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 291}
207 292
208$Event::DIED = sub { 293$EV::DIED = sub {
209 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
210}; 295};
211 296
212############################################################################# 297#############################################################################
213 298
236 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237 $d 322 $d
238 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
239} 324}
240 325
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
244 327
245Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
246 329
247=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
248 331
249Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
250 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
251=item cf::lock_wait $string 355=item cf::lock_wait $string
252 356
253Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
254 358
255=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
256 360
257Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
258a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
260returned. 364returned.
261 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
262Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
263uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
264 371
265=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
266 373
267Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
268 375
269=cut 376=cut
270 377
271our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
272 379
273sub lock_wait($) { 380sub lock_wait($) {
274 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
275
276 # wait for lock, if any
277 while ($LOCK{$key}) {
278 push @{ $LOCK{$key} }, $Coro::current;
279 Coro::schedule;
280 }
281} 382}
282 383
283sub lock_acquire($) { 384sub lock_acquire($) {
284 my ($key) = @_; 385 $LOCKS->guard ($_[0])
285
286 # wait, to be sure we are not locked
287 lock_wait $key;
288
289 $LOCK{$key} = [];
290
291 Coro::guard {
292 # wake up all waiters, to be on the safe side
293 $_->ready for @{ delete $LOCK{$key} };
294 }
295} 386}
296 387
297sub lock_active($) { 388sub lock_active($) {
298 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
299
300 ! ! $LOCK{$key}
301} 390}
302 391
303sub freeze_mainloop { 392sub freeze_mainloop {
304 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
305 394
306 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
307 $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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
308 }; 456 }
309 $TICK_WATCHER->stop; 457};
310 $guard 458
459sub get_slot($;$$) {
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 $sig->wait;
311} 471}
312 472
313=item cf::async { BLOCK } 473=item cf::async { BLOCK }
314 474
315Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
320 480
321BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
322 482
323=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
324 484
325The design of Crossfire TRT requires that the main coroutine ($Coro::main) 485The design of Deliantra requires that the main coroutine ($Coro::main)
326is always able to handle events or runnable, as Crossfire TRT is only 486is always able to handle events or runnable, as Deliantra is only
327partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328acceptable. 488acceptable.
329 489
330If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
331the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
336 496
337sub sync_job(&) { 497sub sync_job(&) {
338 my ($job) = @_; 498 my ($job) = @_;
339 499
340 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
341 my $time = Event::time; 501 my $time = EV::time;
342 502
343 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
344 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
345 505
346 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
347 # (but this is cancel-safe) 507
348 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
349 509
350 my $busy = 1; 510 my $busy = 1;
351 my @res; 511 my @res;
352 512
353 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
354 @res = eval { $job->() }; 515 @res = eval { $job->() };
355 warn $@ if $@; 516 warn $@ if $@;
356 undef $busy; 517 undef $busy;
357 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
358 519
359 while ($busy) { 520 while ($busy) {
360 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
361 } 525 }
526 }
362 527
363 $time = Event::time - $time; 528 my $time = EV::time - $time;
364 529
365 LOG llevError | logBacktrace, Carp::longmess "long sync job"
366 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
369 531
370 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
371 } else { 533 } else {
372 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
373 535
398=item fork_call { }, $args 560=item fork_call { }, $args
399 561
400Executes the given code block with the given arguments in a seperate 562Executes the given code block with the given arguments in a seperate
401process, returning the results. Everything must be serialisable with 563process, returning the results. Everything must be serialisable with
402Coro::Storable. May, of course, block. Note that the executed sub may 564Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 565never block itself or use any form of event handling.
404 566
405=cut 567=cut
406 568
407sub fork_call(&@) { 569sub fork_call(&@) {
408 my ($cb, @args) = @_; 570 my ($cb, @args) = @_;
409 571
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 572 # we seemingly have to make a local copy of the whole thing,
411# or die "socketpair: $!"; 573 # otherwise perl prematurely frees the stuff :/
412 pipe my $fh1, my $fh2 574 # TODO: investigate and fix (likely this will be rather laborious)
413 or die "pipe: $!";
414 575
415 if (my $pid = fork) { 576 my @res = Coro::Util::fork_eval {
416 close $fh2;
417
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419 $res = Coro::Storable::thaw $res;
420
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423 die $$res unless "ARRAY" eq ref $res;
424
425 return wantarray ? @$res : $res->[-1];
426 } else {
427 reset_signals; 577 reset_signals;
428 local $SIG{__WARN__}; 578 &$cb
429 local $SIG{__DIE__}; 579 }, @args;
430 eval {
431 close $fh1;
432 580
433 my @res = eval { $cb->(@args) }; 581 wantarray ? @res : $res[-1]
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 582}
435 };
436 583
437 warn $@ if $@; 584=item $coin = coin_from_name $name
438 _exit 0; 585
439 } 586=cut
587
588our %coin_alias = (
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);
604
605sub coin_from_name($) {
606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
440} 609}
441 610
442=item $value = cf::db_get $family => $key 611=item $value = cf::db_get $family => $key
443 612
444Returns a single value from the environment database. 613Returns a single value from the environment database.
446=item cf::db_put $family => $key => $value 615=item cf::db_put $family => $key => $value
447 616
448Stores the given C<$value> in the family. It can currently store binary 617Stores the given C<$value> in the family. It can currently store binary
449data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450 619
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
451=cut 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}
452 643
453our $DB; 644our $DB;
454 645
455sub db_init { 646sub db_init {
456 unless ($DB) {
457 $DB = BDB::db_create $DB_ENV;
458
459 cf::sync_job { 647 cf::sync_job {
460 eval { 648 $DB ||= db_table "db";
461 $DB->set_flags (BDB::CHKSUM);
462
463 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465 cf::cleanup "db_open(db): $!" if $!;
466 };
467 cf::cleanup "db_open(db): $@" if $@;
468 };
469 } 649 };
470} 650}
471 651
472sub db_get($$) { 652sub db_get($$) {
473 my $key = "$_[0]/$_[1]"; 653 my $key = "$_[0]/$_[1]";
474 654
524 if (1) { 704 if (1) {
525 $md5 = 705 $md5 =
526 join "\x00", 706 join "\x00",
527 $processversion, 707 $processversion,
528 map { 708 map {
529 Coro::cede; 709 cf::cede_to_tick;
530 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
531 } 0.. $#$src; 711 } 0.. $#$src;
532 712
533 713
534 my $dbmd5 = db_get cache => "$id/md5"; 714 my $dbmd5 = db_get cache => "$id/md5";
572 752
573############################################################################# 753#############################################################################
574 754
575=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
576 756
577Many 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
578attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
579to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
580 760
581In 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>
582C<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
583Crossfire TRT). 763Deliantra).
584 764
585=over 4 765=over 4
586 766
587=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
588 768
632=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
633 813
634Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
635given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
636 816
637Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
638that 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.
639 819
640These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
641 821
642=over 4 822=over 4
840 "; 1020 ";
841 die if $@; 1021 die if $@;
842} 1022}
843 1023
844our $override; 1024our $override;
845our @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?
846 1026
847sub override { 1027sub override {
848 $override = 1; 1028 $override = 1;
849 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
850} 1030}
851 1031
852sub do_invoke { 1032sub do_invoke {
853 my $event = shift; 1033 my $event = shift;
854 my $callbacks = shift; 1034 my $callbacks = shift;
855 1035
856 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
857 1037
858 local $override; 1038 local $override;
859 1039
860 for (@$callbacks) { 1040 for (@$callbacks) {
861 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
870 } 1050 }
871 1051
872 0 1052 0
873} 1053}
874 1054
875=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876 1056
877=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878 1058
879Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
880 1060
881This 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
882removed 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
883results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884 1064
885=back 1065=back
886 1066
887=cut 1067=cut
888 1068
889############################################################################# 1069#############################################################################
890# 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}
891 1113
892sub reattach { 1114sub reattach {
893 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
894 my ($obj) = @_; 1116 my ($obj) = @_;
895 1117
1118 # no longer needed after getting rid of delete_package?
896 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
897 1120
898 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
899 1122
900 @$registry = (); 1123 @$registry = ();
901 1124
916cf::attachable->attach ( 1139cf::attachable->attach (
917 prio => -1000000, 1140 prio => -1000000,
918 on_instantiate => sub { 1141 on_instantiate => sub {
919 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
920 1143
921 $data = from_json $data; 1144 $data = decode_json $data;
922 1145
923 for (@$data) { 1146 for (@$data) {
924 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
925 1148
926 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
942sub object_freezer_save { 1165sub object_freezer_save {
943 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
944 1167
945 sync_job { 1168 sync_job {
946 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
947 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
948 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
949 1173
950 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
952 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1179 aio_fsync $fh;
1180 }
954 close $fh; 1181 aio_close $fh;
955 1182
956 if (@$objs) { 1183 if (@$objs) {
957 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
959 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
961 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1190 aio_fsync $fh;
1191 }
962 close $fh; 1192 aio_close $fh;
963 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
964 } 1194 }
965 } else { 1195 } else {
966 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
967 } 1197 }
968 1198
969 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
970 } else { 1203 } else {
971 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
972 } 1205 }
973 } else { 1206 } else {
974 aio_unlink $filename; 1207 aio_unlink $filename;
975 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
976 } 1209 }
977 } 1210 };
978} 1211}
979 1212
980sub object_freezer_as_string { 1213sub object_freezer_as_string {
981 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
982 1215
994 or return; 1227 or return;
995 1228
996 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
997 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
998 or return; 1231 or return;
1232
999 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
1000 } 1235 }
1001 1236
1237 utf8::decode (my $decname = $filename);
1002 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
1003 $filename, length $data, scalar @{$av || []}; 1239 $decname, length $data, scalar @{$av || []};
1240
1004 return ($data, $av); 1241 ($data, $av)
1005} 1242}
1006 1243
1007=head2 COMMAND CALLBACKS 1244=head2 COMMAND CALLBACKS
1008 1245
1009=over 4 1246=over 4
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1267}
1031 1268
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1270
1034Register a callback fro execution when the client sends an extcmd packet. 1271Register a callback for execution when the client sends an (synchronous)
1272extcmd packet. Ext commands will be processed in the order they are
1273received by the server, like other user commands. The first argument is
1274the logged-in player. Ext commands can only be processed after a player
1275has logged in successfully.
1035 1276
1036If the callback returns something, it is sent back as if reply was being 1277If the callback returns something, it is sent back as if reply was being
1037called. 1278called.
1038 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
1039=cut 1291=cut
1040 1292
1041sub register_extcmd { 1293sub register_extcmd {
1042 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
1043 1295
1044 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
1045} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
1046 1306
1047cf::player->attach ( 1307cf::player->attach (
1048 on_command => sub { 1308 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
1050 1310
1058 cf::override; 1318 cf::override;
1059 }, 1319 },
1060 on_extcmd => sub { 1320 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
1062 1322
1063 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1324
1065 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
1068 $pl->ext_reply ($msg->{msgid}, %reply);
1069 }
1070 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
1071 } else { 1340 } else {
1072 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073 } 1342 }
1074 1343
1075 cf::override; 1344 cf::override;
1076 }, 1345 },
1077); 1346);
1347
1348# "readahead" all extensions
1349sub cache_extensions {
1350 my $grp = IO::AIO::aio_group;
1351
1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1353 for (grep /\.ext$/, @{$_[0]}) {
1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1355 }
1356 };
1357
1358 $grp
1359}
1078 1360
1079sub load_extensions { 1361sub load_extensions {
1080 cf::sync_job { 1362 cf::sync_job {
1081 my %todo; 1363 my %todo;
1082 1364
1102 1384
1103 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105 1387
1106 $ext{source} = 1388 $ext{source} =
1107 "package $pkg; use strict; use utf8;\n" 1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108 . "#line 1 \"$path\"\n{\n" 1390 . "#line 1 \"$path\"\n{\n"
1109 . $source 1391 . $source
1110 . "\n};\n1"; 1392 . "\n};\n1";
1111 1393
1112 $todo{$base} = \%ext; 1394 $todo{$base} = \%ext;
1128 my $msg = $@ ? "$v->{path}: $@\n" 1410 my $msg = $@ ? "$v->{path}: $@\n"
1129 : "$v->{base}: extension inactive.\n"; 1411 : "$v->{base}: extension inactive.\n";
1130 1412
1131 if (exists $v->{meta}{mandatory}) { 1413 if (exists $v->{meta}{mandatory}) {
1132 warn $msg; 1414 warn $msg;
1133 warn "mandatory extension failed to load, exiting.\n"; 1415 cf::cleanup "mandatory extension failed to load, exiting.";
1134 exit 1;
1135 } 1416 }
1136 1417
1137 warn $msg; 1418 warn $msg;
1138 } 1419 }
1139 1420
1153 1434
1154=back 1435=back
1155 1436
1156=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
1157 1438
1158Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
1159 1440
1160=cut 1441=cut
1161 1442
1162package cf::player; 1443package cf::player;
1163 1444
1164use Coro::AIO; 1445use Coro::AIO;
1165 1446
1166=head3 cf::player 1447=head3 cf::player
1167 1448
1168=over 4 1449=over 4
1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1169 1464
1170=item cf::player::find $login 1465=item cf::player::find $login
1171 1466
1172Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
1173 1468
1192 1487
1193sub exists($) { 1488sub exists($) {
1194 my ($login) = @_; 1489 my ($login) = @_;
1195 1490
1196 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1197 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1198} 1493}
1199 1494
1200sub find($) { 1495sub find($) {
1201 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1202 my $login = $_[0]; 1497 my $login = $_[0];
1209 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1213 1508
1214 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1215 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
1216 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1217 } 1518 }
1218 } 1519 }
1219} 1520}
1220 1521
1229 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1230 1531
1231 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1232 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1233 1534
1535 cf::get_slot 0.01;
1536
1234 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1235 Coro::cede; 1538 cf::cede_to_tick;
1236} 1539}
1237 1540
1238sub new($) { 1541sub new($) {
1239 my ($login) = @_; 1542 my ($login) = @_;
1240 1543
1246 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1247 1550
1248 $self 1551 $self
1249} 1552}
1250 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1251=item $pl->quit_character 1564=item $pl->quit_character
1252 1565
1253Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1254be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1255 1568
1259 my ($pl) = @_; 1572 my ($pl) = @_;
1260 1573
1261 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1262 1575
1263 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1264 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1265 1578
1266 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1268 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1269 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1270 1585
1271 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1272 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
1308 or return []; 1623 or return [];
1309 1624
1310 my @logins; 1625 my @logins;
1311 1626
1312 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1313 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1315 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1316 1637
1317 utf8::decode $login; 1638 utf8::decode $login;
1318 push @logins, $login; 1639 push @logins, $login;
1319 } 1640 }
1320 1641
1347 } 1668 }
1348 1669
1349 \@paths 1670 \@paths
1350} 1671}
1351 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1352=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1353 1678
1354Sends an ext reply to the player. 1679Sends an ext reply to the player.
1355 1680
1356=cut 1681=cut
1357 1682
1358sub ext_reply($$%) { 1683sub ext_reply($$@) {
1359 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1360 1685
1361 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1362
1363 $self->send ("ext " . cf::to_json \%msg);
1364} 1687}
1365 1688
1366=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1367 1690
1368Sends an ext event to the client. 1691Sends an ext event to the client.
1369 1692
1370=cut 1693=cut
1371 1694
1372sub ext_event($$%) { 1695sub ext_msg($$@) {
1373 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1374 1697
1375 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1376} 1699}
1377 1700
1378=head3 cf::region 1701=head3 cf::region
1379 1702
1380=over 4 1703=over 4
1393 my ($path) = @_; 1716 my ($path) = @_;
1394 1717
1395 my ($match, $specificity); 1718 my ($match, $specificity);
1396 1719
1397 for my $region (list) { 1720 for my $region (list) {
1398 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1399 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1400 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1401 } 1724 }
1402 } 1725 }
1403 1726
1424our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1425our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1426 1749
1427sub generate_random_map { 1750sub generate_random_map {
1428 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754
1429 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1430 $self->_create_random_map ( 1756 $self->_create_random_map (
1431 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1523 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1524 return $self; 1850 return $self;
1525 } 1851 }
1526 } 1852 }
1527 1853
1528 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1529 () 1855 ()
1530} 1856}
1531 1857
1532sub init { 1858sub init {
1533 my ($self) = @_; 1859 my ($self) = @_;
1555 1881
1556# the temporary/swap location 1882# the temporary/swap location
1557sub save_path { 1883sub save_path {
1558 my ($self) = @_; 1884 my ($self) = @_;
1559 1885
1560 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1562} 1888}
1563 1889
1564# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1565sub uniq_path { 1891sub uniq_path {
1566 my ($self) = @_; 1892 my ($self) = @_;
1567 1893
1568 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1570}
1571
1572# and all this just because we cannot iterate over
1573# all maps in C++...
1574sub change_all_map_light {
1575 my ($change) = @_;
1576
1577 $_->change_map_light ($change)
1578 for grep $_->outdoor, values %cf::MAP;
1579} 1896}
1580 1897
1581sub decay_objects { 1898sub decay_objects {
1582 my ($self) = @_; 1899 my ($self) = @_;
1583 1900
1596 1913
1597sub load_header_from($) { 1914sub load_header_from($) {
1598 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1599 1916
1600 utf8::encode $path; 1917 utf8::encode $path;
1601 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1602 # or return;
1603
1604 $self->_load_header ($path)
1605 or return; 1919 or return;
1920
1921 $self->_load_header ($f)
1922 or return;
1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1606 1926
1607 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1608 1928
1609 1 1929 1
1610} 1930}
1664sub find { 1984sub find {
1665 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1666 1986
1667 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1668 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1670 1991
1671 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1672 my $guard = cf::lock_acquire "map_find:$path";
1673 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1674 or return; 1994 or return;
1675 1995
1676 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1677 1997
1679 or return; 1999 or return;
1680 2000
1681 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1683 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1684 $map->reset; 2006 $map->reset;
1685 undef $guard;
1686 return find $path; 2007 return find $path;
1687 } 2008 }
1688 2009
1689 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1690 } 2011 }
1699 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1700 2021
1701 my $path = $self->{path}; 2022 my $path = $self->{path};
1702 2023
1703 { 2024 {
1704 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1705 2026
2027 return unless $self->valid;
1706 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1707 2029
1708 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1709 2031
1710 $self->alloc; 2032 $self->alloc;
1711 2033
1712 $self->pre_load; 2034 $self->pre_load;
1713 Coro::cede; 2035 cf::cede_to_tick;
1714 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1715 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1716 or return; 2040 or return;
1717 2041
1718 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1719 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1720 2044
1721 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1722 utf8::encode $uniq; 2046 utf8::encode $uniq;
1723 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1724 $self->clear_unique_items; 2049 $self->clear_unique_items;
1725 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1726 } 2053 }
1727 } 2054 }
1728 2055
1729 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1730 # now do the right thing for maps 2059 # now do the right thing for maps
1731 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1732 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1733 unless $self->difficulty; 2062 unless $self->difficulty;
1734 Coro::cede; 2063 cf::cede_to_tick;
1735 2064
1736 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1737 $self->decay_objects; 2066 $self->decay_objects;
1738 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1739 $self->update_buttons; 2068 $self->update_buttons;
1740 Coro::cede; 2069 cf::cede_to_tick;
1741 $self->set_darkness_map;
1742 Coro::cede;
1743 $self->activate; 2070 $self->activate;
1744 } 2071 }
1745 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1746 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1747 } 2077 }
1748 2078
1749 $self->post_load; 2079 $self->post_load;
1750} 2080}
1751 2081
1760 2090
1761 $self 2091 $self
1762} 2092}
1763 2093
1764# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1765sub load_diag { 2095sub load_neighbours {
1766 my ($map) = @_; 2096 my ($map) = @_;
1767 2097
1768 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1769 2099
1770 for (0 .. 3) { 2100 for (0 .. 3) {
1771 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1772 or next; 2102 or next;
1773 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1774 or next; 2104 or next;
1775 $neigh->load; 2105 $neigh->load;
1776 2106
2107 push @neigh,
1777 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1779 } 2110 }
1780 2111
1781 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1782 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1783 or next; 2115 or next;
1784 $neigh->load; 2116 $neigh->load;
1785 } 2117 }
1786} 2118}
1787 2119
1792} 2124}
1793 2125
1794sub do_load_sync { 2126sub do_load_sync {
1795 my ($map) = @_; 2127 my ($map) = @_;
1796 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1797 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1798} 2133}
1799 2134
1800our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1801our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1802 2137
1803sub find_async { 2138sub find_async {
1804 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1805 2140
1806 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1807 2142
1808 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1809 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810 } 2145 }
1811 2146
1812 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1813 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1814 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1815 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1816 my $map = find $path 2154 if (my $map = find $k) {
1817 or next;
1818 $map->load; 2155 $map->load if $v;
2156 }
1819 2157
1820 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1821 } 2159 }
1822 } 2160 }
1823 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1824 }; 2162 };
1825 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
1828} 2166}
1829 2167
1830sub save { 2168sub save {
1831 my ($self) = @_; 2169 my ($self) = @_;
1832 2170
1833 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1834 2172
1835 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1836 2174
1837 return unless $self->dirty; 2175 return unless $self->dirty;
1838 2176
1844 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1845 2183
1846 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1847 2185
1848 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1849 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1850 }; 2189 };
2190
2191 cf::get_slot 0.02;
1851 2192
1852 if ($uniq) { 2193 if ($uniq) {
1853 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1855 } else { 2196 } else {
1861 my ($self) = @_; 2202 my ($self) = @_;
1862 2203
1863 # save first because save cedes 2204 # save first because save cedes
1864 $self->save; 2205 $self->save;
1865 2206
1866 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1867 2208
1868 return if $self->players; 2209 return if $self->players;
1869 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1870 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1871 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1872 $self->clear; 2217 $self->clear;
1873 $self->in_memory (cf::MAP_SWAPPED);
1874} 2218}
1875 2219
1876sub reset_at { 2220sub reset_at {
1877 my ($self) = @_; 2221 my ($self) = @_;
1878 2222
1896 2240
1897 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1898 2242
1899 return if $self->players; 2243 return if $self->players;
1900 2244
1901 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
1902 2246
1903 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1904 2248
1905 # need to save uniques path 2249 # need to save uniques path
1906 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
1910 if $uniq; 2254 if $uniq;
1911 } 2255 }
1912 2256
1913 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1914 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1915 $self->clear; 2261 $self->clear;
1916
1917 $_->clear_links_to ($self) for values %cf::MAP;
1918 2262
1919 $self->unlink_save; 2263 $self->unlink_save;
1920 $self->destroy; 2264 $self->destroy;
1921} 2265}
1922 2266
1923my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1924 2268
1925sub nuke { 2269sub nuke {
1926 my ($self) = @_; 2270 my ($self) = @_;
1927 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1928 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1929 2276
1930 $self->unlink_save; 2277 $self->unlink_save;
1931 2278
1932 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1933 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1934 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1935 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1936 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937 2284
1938 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1939 2287
1940 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
1941} 2289}
1942 2290
1943=item $maps = cf::map::tmp_maps 2291=item $maps = cf::map::tmp_maps
1985 2333
1986sub unique_maps() { 2334sub unique_maps() {
1987 [ 2335 [
1988 map { 2336 map {
1989 utf8::decode $_; 2337 utf8::decode $_;
1990 /\.map$/ 2338 s/\.map$//; # TODO future compatibility hack
2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2340 ? ()
1991 ? normalise $_ 2341 : normalise $_
1992 : ()
1993 } @{ aio_readdir $UNIQUEDIR or [] } 2342 } @{ aio_readdir $UNIQUEDIR or [] }
1994 ] 2343 ]
1995} 2344}
1996 2345
1997package cf;
1998
1999=back 2346=back
2000 2347
2001=head3 cf::object 2348=head3 cf::object
2002 2349
2003=cut 2350=cut
2006 2353
2007=over 4 2354=over 4
2008 2355
2009=item $ob->inv_recursive 2356=item $ob->inv_recursive
2010 2357
2011Returns the inventory of the object _and_ their inventories, recursively. 2358Returns the inventory of the object I<and> their inventories, recursively,
2359but I<not> the object itself.
2012 2360
2013=cut 2361=cut
2014 2362
2015sub inv_recursive_; 2363sub inv_recursive_;
2016sub inv_recursive_ { 2364sub inv_recursive_ {
2019 2367
2020sub inv_recursive { 2368sub inv_recursive {
2021 inv_recursive_ inv $_[0] 2369 inv_recursive_ inv $_[0]
2022} 2370}
2023 2371
2372=item $ref = $ob->ref
2373
2374Creates and returns a persistent reference to an object that can be stored as a string.
2375
2376=item $ob = cf::object::deref ($refstring)
2377
2378returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2379even if the object actually exists. May block.
2380
2381=cut
2382
2383sub deref {
2384 my ($ref) = @_;
2385
2386 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2387 my ($uuid, $name) = ($1, $2);
2388 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2389 or return;
2390 $pl->ob->uuid eq $uuid
2391 or return;
2392
2393 $pl->ob
2394 } else {
2395 warn "$ref: cannot resolve object reference\n";
2396 undef
2397 }
2398}
2399
2024package cf; 2400package cf;
2025 2401
2026=back 2402=back
2027 2403
2028=head3 cf::object::player 2404=head3 cf::object::player
2034Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2410Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035can be C<undef>. Does the right thing when the player is currently in a 2411can be C<undef>. Does the right thing when the player is currently in a
2036dialogue with the given NPC character. 2412dialogue with the given NPC character.
2037 2413
2038=cut 2414=cut
2415
2416our $SAY_CHANNEL = {
2417 id => "say",
2418 title => "Map",
2419 reply => "say ",
2420 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2421};
2422
2423our $CHAT_CHANNEL = {
2424 id => "chat",
2425 title => "Chat",
2426 reply => "chat ",
2427 tooltip => "Player chat and shouts, global to the server.",
2428};
2039 2429
2040# rough implementation of a future "reply" method that works 2430# rough implementation of a future "reply" method that works
2041# with dialog boxes. 2431# with dialog boxes.
2042#TODO: the first argument must go, split into a $npc->reply_to ( method 2432#TODO: the first argument must go, split into a $npc->reply_to ( method
2043sub cf::object::player::reply($$$;$) { 2433sub cf::object::player::reply($$$;$) {
2050 2440
2051 } else { 2441 } else {
2052 my $pl = $self->contr; 2442 my $pl = $self->contr;
2053 2443
2054 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2444 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055 my $diag = $pl->{npc_dialog}; 2445 my $dialog = $pl->{npc_dialog};
2056 $diag->{pl}->ext_reply ( 2446 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057 $diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058 );
2059 2447
2060 } else { 2448 } else {
2061 $msg = $npc->name . " says: $msg" if $npc; 2449 $msg = $npc->name . " says: $msg" if $npc;
2062 $self->message ($msg, $flags); 2450 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063 } 2451 }
2064 } 2452 }
2453}
2454
2455=item $object->send_msg ($channel, $msg, $color, [extra...])
2456
2457=cut
2458
2459sub cf::object::send_msg {
2460 my $pl = shift->contr
2461 or return;
2462 $pl->send_msg (@_);
2065} 2463}
2066 2464
2067=item $player_object->may ("access") 2465=item $player_object->may ("access")
2068 2466
2069Returns wether the given player is authorized to access resource "access" 2467Returns wether the given player is authorized to access resource "access"
2082 2480
2083=item $player_object->enter_link 2481=item $player_object->enter_link
2084 2482
2085Freezes the player and moves him/her to a special map (C<{link}>). 2483Freezes the player and moves him/her to a special map (C<{link}>).
2086 2484
2087The player should be reasonably safe there for short amounts of time. You 2485The player should be reasonably safe there for short amounts of time (e.g.
2088I<MUST> call C<leave_link> as soon as possible, though. 2486for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2487though, as the palyer cannot control the character while it is on the link
2488map.
2089 2489
2090Will never block. 2490Will never block.
2091 2491
2092=item $player_object->leave_link ($map, $x, $y) 2492=item $player_object->leave_link ($map, $x, $y)
2093 2493
2148 # use -1 or undef as default coordinates, not 0, 0 2548 # use -1 or undef as default coordinates, not 0, 0
2149 ($x, $y) = ($map->enter_x, $map->enter_y) 2549 ($x, $y) = ($map->enter_x, $map->enter_y)
2150 if $x <=0 && $y <= 0; 2550 if $x <=0 && $y <= 0;
2151 2551
2152 $map->load; 2552 $map->load;
2153 $map->load_diag; 2553 $map->load_neighbours;
2154 2554
2155 return unless $self->contr->active; 2555 return unless $self->contr->active;
2156 $self->activate_recursive;
2157 2556
2158 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
2160}
2161 2559
2560 # only activate afterwards, to support waiting in hooks
2561 $self->activate_recursive;
2562}
2563
2162=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163 2565
2164Moves the player to the given map-path and coordinates by first freezing 2566Moves the player to the given map-path and coordinates by first freezing
2165her, loading and preparing them map, calling the provided $check callback 2567her, loading and preparing them map, calling the provided $check callback
2166that has to return the map if sucecssful, and then unfreezes the player on 2568that has to return the map if sucecssful, and then unfreezes the player on
2167the new (success) or old (failed) map position. 2569the new (success) or old (failed) map position. In either case, $done will
2570be called at the end of this process.
2571
2572Note that $check will be called with a potentially non-loaded map, so if
2573it needs a loaded map it has to call C<< ->load >>.
2168 2574
2169=cut 2575=cut
2170 2576
2171our $GOTOGEN; 2577our $GOTOGEN;
2172 2578
2173sub cf::object::player::goto { 2579sub cf::object::player::goto {
2174 my ($self, $path, $x, $y, $check) = @_; 2580 my ($self, $path, $x, $y, $check, $done) = @_;
2175 2581
2176 # do generation counting so two concurrent goto's will be executed in-order 2582 # do generation counting so two concurrent goto's will be executed in-order
2177 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2583 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178 2584
2179 $self->enter_link; 2585 $self->enter_link;
2180 2586
2181 (async { 2587 (async {
2588 $Coro::current->{desc} = "player::goto $path $x $y";
2589
2590 # *tag paths override both path and x|y
2591 if ($path =~ /^\*(.*)$/) {
2592 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2593 my $ob = $obs[rand @obs];
2594
2595 # see if we actually can go there
2596 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2597 $ob = $obs[rand @obs];
2598 } else {
2599 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2600 }
2601 # else put us there anyways for now #d#
2602
2603 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2604 } else {
2605 ($path, $x, $y) = (undef, undef, undef);
2606 }
2607 }
2608
2182 my $map = eval { 2609 my $map = eval {
2183 my $map = cf::map::find $path; 2610 my $map = defined $path ? cf::map::find $path : undef;
2184 2611
2185 if ($map) { 2612 if ($map) {
2186 $map = $map->customise_for ($self); 2613 $map = $map->customise_for ($self);
2187 $map = $check->($map) if $check && $map; 2614 $map = $check->($map) if $check && $map;
2188 } else { 2615 } else {
2189 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2616 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190 } 2617 }
2191 2618
2192 $map 2619 $map
2193 }; 2620 };
2194 2621
2199 2626
2200 if ($gen == $self->{_goto_generation}) { 2627 if ($gen == $self->{_goto_generation}) {
2201 delete $self->{_goto_generation}; 2628 delete $self->{_goto_generation};
2202 $self->leave_link ($map, $x, $y); 2629 $self->leave_link ($map, $x, $y);
2203 } 2630 }
2631
2632 $done->() if $done;
2204 })->prio (1); 2633 })->prio (1);
2205} 2634}
2206 2635
2207=item $player_object->enter_exit ($exit_object) 2636=item $player_object->enter_exit ($exit_object)
2208 2637
2228} 2657}
2229 2658
2230sub prepare_random_map { 2659sub prepare_random_map {
2231 my ($exit) = @_; 2660 my ($exit) = @_;
2232 2661
2233 my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235 # all this does is basically replace the /! path by 2662 # all this does is basically replace the /! path by
2236 # a new random map path (?random/...) with a seed 2663 # a new random map path (?random/...) with a seed
2237 # that depends on the exit object 2664 # that depends on the exit object
2238 2665
2239 my $rmp = parse_random_map_params $exit->msg; 2666 my $rmp = parse_random_map_params $exit->msg;
2241 if ($exit->map) { 2668 if ($exit->map) {
2242 $rmp->{region} = $exit->region->name; 2669 $rmp->{region} = $exit->region->name;
2243 $rmp->{origin_map} = $exit->map->path; 2670 $rmp->{origin_map} = $exit->map->path;
2244 $rmp->{origin_x} = $exit->x; 2671 $rmp->{origin_x} = $exit->x;
2245 $rmp->{origin_y} = $exit->y; 2672 $rmp->{origin_y} = $exit->y;
2673
2674 $exit->map->touch;
2246 } 2675 }
2247 2676
2248 $rmp->{random_seed} ||= $exit->random_seed; 2677 $rmp->{random_seed} ||= $exit->random_seed;
2249 2678
2250 my $data = cf::to_json $rmp; 2679 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251 my $md5 = Digest::MD5::md5_hex $data; 2680 my $md5 = Digest::MD5::md5_hex $data;
2252 my $meta = "$RANDOMDIR/$md5.meta"; 2681 my $meta = "$RANDOMDIR/$md5.meta";
2253 2682
2254 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2683 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255 aio_write $fh, 0, (length $data), $data, 0; 2684 aio_write $fh, 0, (length $data), $data, 0;
2256 undef $fh; 2685 undef $fh;
2257 aio_rename "$meta~", $meta; 2686 aio_rename "$meta~", $meta;
2258 2687
2688 my $slaying = "?random/$md5";
2689
2690 if ($exit->valid) {
2259 $exit->slaying ("?random/$md5"); 2691 $exit->slaying ("?random/$md5");
2260 $exit->msg (undef); 2692 $exit->msg (undef);
2693 }
2261 } 2694 }
2262} 2695}
2263 2696
2264sub cf::object::player::enter_exit { 2697sub cf::object::player::enter_exit {
2265 my ($self, $exit) = @_; 2698 my ($self, $exit) = @_;
2266 2699
2267 return unless $self->type == cf::PLAYER; 2700 return unless $self->type == cf::PLAYER;
2268 2701
2269 if ($exit->slaying eq "/!") {
2270 #TODO: this should de-fi-ni-te-ly not be a sync-job
2271 # the problem is that $exit might not survive long enough
2272 # so it needs to be done right now, right here
2273 cf::sync_job { prepare_random_map $exit };
2274 }
2275
2276 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277 my $hp = $exit->stats->hp;
2278 my $sp = $exit->stats->sp;
2279
2280 $self->enter_link; 2702 $self->enter_link;
2281 2703
2282 (async { 2704 (async {
2283 $self->deactivate_recursive; # just to be sure 2705 $Coro::current->{desc} = "enter_exit";
2706
2284 unless (eval { 2707 unless (eval {
2708 $self->deactivate_recursive; # just to be sure
2709
2710 # random map handling
2711 {
2712 my $guard = cf::lock_acquire "exit_prepare:$exit";
2713
2714 prepare_random_map $exit
2715 if $exit->slaying eq "/!";
2716 }
2717
2718 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2719 my $x = $exit->stats->hp;
2720 my $y = $exit->stats->sp;
2721
2285 $self->goto ($slaying, $hp, $sp); 2722 $self->goto ($map, $x, $y);
2286 2723
2724 # if exit is damned, update players death & WoR home-position
2725 $self->contr->savebed ($map, $x, $y)
2726 if $exit->flag (cf::FLAG_DAMNED);
2727
2287 1; 2728 1
2288 }) { 2729 }) {
2289 $self->message ("Something went wrong deep within the crossfire server. " 2730 $self->message ("Something went wrong deep within the deliantra server. "
2290 . "I'll try to bring you back to the map you were before. " 2731 . "I'll try to bring you back to the map you were before. "
2291 . "Please report this to the dungeon master!", 2732 . "Please report this to the dungeon master!",
2292 cf::NDI_UNIQUE | cf::NDI_RED); 2733 cf::NDI_UNIQUE | cf::NDI_RED);
2293 2734
2294 warn "ERROR in enter_exit: $@"; 2735 warn "ERROR in enter_exit: $@";
2313 2754
2314 utf8::encode $text; 2755 utf8::encode $text;
2315 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2756 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316} 2757}
2317 2758
2759=item $client->send_msg ($channel, $msg, $color, [extra...])
2760
2761Send a drawinfo or msg packet to the client, formatting the msg for the
2762client if neccessary. C<$type> should be a string identifying the type of
2763the message, with C<log> being the default. If C<$color> is negative, suppress
2764the message unless the client supports the msg packet.
2765
2766=cut
2767
2768# non-persistent channels (usually the info channel)
2769our %CHANNEL = (
2770 "c/motd" => {
2771 id => "infobox",
2772 title => "MOTD",
2773 reply => undef,
2774 tooltip => "The message of the day",
2775 },
2776 "c/identify" => {
2777 id => "infobox",
2778 title => "Identify",
2779 reply => undef,
2780 tooltip => "Items recently identified",
2781 },
2782 "c/examine" => {
2783 id => "infobox",
2784 title => "Examine",
2785 reply => undef,
2786 tooltip => "Signs and other items you examined",
2787 },
2788 "c/book" => {
2789 id => "infobox",
2790 title => "Book",
2791 reply => undef,
2792 tooltip => "The contents of a note or book",
2793 },
2794 "c/lookat" => {
2795 id => "infobox",
2796 title => "Look",
2797 reply => undef,
2798 tooltip => "What you saw there",
2799 },
2800 "c/who" => {
2801 id => "infobox",
2802 title => "Players",
2803 reply => undef,
2804 tooltip => "Shows players who are currently online",
2805 },
2806 "c/body" => {
2807 id => "infobox",
2808 title => "Body Parts",
2809 reply => undef,
2810 tooltip => "Shows which body parts you posess and are available",
2811 },
2812 "c/statistics" => {
2813 id => "infobox",
2814 title => "Statistics",
2815 reply => undef,
2816 tooltip => "Shows your primary statistics",
2817 },
2818 "c/skills" => {
2819 id => "infobox",
2820 title => "Skills",
2821 reply => undef,
2822 tooltip => "Shows your experience per skill and item power",
2823 },
2824 "c/shopitems" => {
2825 id => "infobox",
2826 title => "Shop Items",
2827 reply => undef,
2828 tooltip => "Shows the items currently for sale in this shop",
2829 },
2830 "c/resistances" => {
2831 id => "infobox",
2832 title => "Resistances",
2833 reply => undef,
2834 tooltip => "Shows your resistances",
2835 },
2836 "c/pets" => {
2837 id => "infobox",
2838 title => "Pets",
2839 reply => undef,
2840 tooltip => "Shows information abotu your pets/a specific pet",
2841 },
2842 "c/perceiveself" => {
2843 id => "infobox",
2844 title => "Perceive Self",
2845 reply => undef,
2846 tooltip => "You gained detailed knowledge about yourself",
2847 },
2848 "c/uptime" => {
2849 id => "infobox",
2850 title => "Uptime",
2851 reply => undef,
2852 tooltip => "How long the server has been running since last restart",
2853 },
2854 "c/mapinfo" => {
2855 id => "infobox",
2856 title => "Map Info",
2857 reply => undef,
2858 tooltip => "Information related to the maps",
2859 },
2860 "c/party" => {
2861 id => "party",
2862 title => "Party",
2863 reply => "gsay ",
2864 tooltip => "Messages and chat related to your party",
2865 },
2866 "c/death" => {
2867 id => "death",
2868 title => "Death",
2869 reply => undef,
2870 tooltip => "Reason for and more info about your most recent death",
2871 },
2872 "c/say" => $SAY_CHANNEL,
2873 "c/chat" => $CHAT_CHANNEL,
2874);
2875
2876sub cf::client::send_msg {
2877 my ($self, $channel, $msg, $color, @extra) = @_;
2878
2879 $msg = $self->pl->expand_cfpod ($msg)
2880 unless $color & cf::NDI_VERBATIM;
2881
2882 $color &= cf::NDI_CLIENT_MASK; # just in case...
2883
2884 # check predefined channels, for the benefit of C
2885 if ($CHANNEL{$channel}) {
2886 $channel = $CHANNEL{$channel};
2887
2888 $self->ext_msg (channel_info => $channel);
2889 $channel = $channel->{id};
2890
2891 } elsif (ref $channel) {
2892 # send meta info to client, if not yet sent
2893 unless (exists $self->{channel}{$channel->{id}}) {
2894 $self->{channel}{$channel->{id}} = $channel;
2895 $self->ext_msg (channel_info => $channel);
2896 }
2897
2898 $channel = $channel->{id};
2899 }
2900
2901 return unless @extra || length $msg;
2902
2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF;
2906
2907 my $pkt = "msg "
2908 . $self->{json_coder}->encode (
2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2910 );
2911
2912 # try lzf for large packets
2913 $pkt = "lzf " . Compress::LZF::compress $pkt
2914 if 1024 <= length $pkt and $self->{can_lzf};
2915
2916 # split very large packets
2917 if (8192 < length $pkt and $self->{can_lzf}) {
2918 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2919 $pkt = "frag";
2920 }
2921
2922 $self->send_packet ($pkt);
2923}
2924
2318=item $client->ext_event ($type, %msg) 2925=item $client->ext_msg ($type, @msg)
2319 2926
2320Sends an exti event to the client. 2927Sends an ext event to the client.
2321 2928
2322=cut 2929=cut
2323 2930
2324sub cf::client::ext_event($$%) { 2931sub cf::client::ext_msg($$@) {
2325 my ($self, $type, %msg) = @_; 2932 my ($self, $type, @msg) = @_;
2326 2933
2934 if ($self->extcmd == 2) {
2935 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2936 } elsif ($self->extcmd == 1) { # TODO: remove
2327 $msg{msgtype} = "event_$type"; 2937 push @msg, msgtype => "event_$type";
2328 $self->send_packet ("ext " . cf::to_json \%msg); 2938 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2939 }
2940}
2941
2942=item $client->ext_reply ($msgid, @msg)
2943
2944Sends an ext reply to the client.
2945
2946=cut
2947
2948sub cf::client::ext_reply($$@) {
2949 my ($self, $id, @msg) = @_;
2950
2951 if ($self->extcmd == 2) {
2952 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2953 } elsif ($self->extcmd == 1) {
2954 #TODO: version 1, remove
2955 unshift @msg, msgtype => "reply", msgid => $id;
2956 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2957 }
2329} 2958}
2330 2959
2331=item $success = $client->query ($flags, "text", \&cb) 2960=item $success = $client->query ($flags, "text", \&cb)
2332 2961
2333Queues a query to the client, calling the given callback with 2962Queues a query to the client, calling the given callback with
2334the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2963the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2964C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336 2965
2337Queries can fail, so check the return code. Or don't, as queries will become 2966Queries can fail, so check the return code. Or don't, as queries will
2338reliable at some point in the future. 2967become reliable at some point in the future.
2339 2968
2340=cut 2969=cut
2341 2970
2342sub cf::client::query { 2971sub cf::client::query {
2343 my ($self, $flags, $text, $cb) = @_; 2972 my ($self, $flags, $text, $cb) = @_;
2351 utf8::encode $text; 2980 utf8::encode $text;
2352 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2981 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353 2982
2354 $self->send_packet ($self->{query_queue}[0][0]) 2983 $self->send_packet ($self->{query_queue}[0][0])
2355 if @{ $self->{query_queue} } == 1; 2984 if @{ $self->{query_queue} } == 1;
2985
2986 1
2356} 2987}
2357 2988
2358cf::client->attach ( 2989cf::client->attach (
2990 on_connect => sub {
2991 my ($ns) = @_;
2992
2993 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2994 },
2359 on_reply => sub { 2995 on_reply => sub {
2360 my ($ns, $msg) = @_; 2996 my ($ns, $msg) = @_;
2361 2997
2362 # this weird shuffling is so that direct followup queries 2998 # this weird shuffling is so that direct followup queries
2363 # get handled first 2999 # get handled first
2375 } else { 3011 } else {
2376 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3012 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377 } 3013 }
2378 } 3014 }
2379 }, 3015 },
3016 on_exticmd => sub {
3017 my ($ns, $buf) = @_;
3018
3019 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3020
3021 if (ref $msg) {
3022 my ($type, $reply, @payload) =
3023 "ARRAY" eq ref $msg
3024 ? @$msg
3025 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3026
3027 my @reply;
3028
3029 if (my $cb = $EXTICMD{$type}) {
3030 @reply = $cb->($ns, @payload);
3031 }
3032
3033 $ns->ext_reply ($reply, @reply)
3034 if $reply;
3035
3036 } else {
3037 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3038 }
3039
3040 cf::override;
3041 },
2380); 3042);
2381 3043
2382=item $client->async (\&cb) 3044=item $client->async (\&cb)
2383 3045
2384Create a new coroutine, running the specified callback. The coroutine will 3046Create a new coroutine, running the specified callback. The coroutine will
2425our $safe = new Safe "safe"; 3087our $safe = new Safe "safe";
2426our $safe_hole = new Safe::Hole; 3088our $safe_hole = new Safe::Hole;
2427 3089
2428$SIG{FPE} = 'IGNORE'; 3090$SIG{FPE} = 'IGNORE';
2429 3091
2430$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3092$safe->permit_only (Opcode::opset qw(
3093 :base_core :base_mem :base_orig :base_math
3094 grepstart grepwhile mapstart mapwhile
3095 sort time
3096));
2431 3097
2432# here we export the classes and methods available to script code 3098# here we export the classes and methods available to script code
2433 3099
2434=pod 3100=pod
2435 3101
2436The following functions and methods are available within a safe environment: 3102The following functions and methods are available within a safe environment:
2437 3103
2438 cf::object contr pay_amount pay_player map 3104 cf::object
3105 contr pay_amount pay_player map x y force_find force_add destroy
3106 insert remove name archname title slaying race decrease split
3107 value
3108
2439 cf::object::player player 3109 cf::object::player
2440 cf::player peaceful 3110 player
2441 cf::map trigger 3111
3112 cf::player
3113 peaceful
3114
3115 cf::map
3116 trigger
2442 3117
2443=cut 3118=cut
2444 3119
2445for ( 3120for (
2446 ["cf::object" => qw(contr pay_amount pay_player map)], 3121 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3122 insert remove inv nrof name archname title slaying race
3123 decrease split destroy change_exp value msg lore send_msg)],
2447 ["cf::object::player" => qw(player)], 3124 ["cf::object::player" => qw(player)],
2448 ["cf::player" => qw(peaceful)], 3125 ["cf::player" => qw(peaceful send_msg)],
2449 ["cf::map" => qw(trigger)], 3126 ["cf::map" => qw(trigger)],
2450) { 3127) {
2451 no strict 'refs'; 3128 no strict 'refs';
2452 my ($pkg, @funs) = @$_; 3129 my ($pkg, @funs) = @$_;
2453 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3130 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2470 my ($code, %vars) = @_; 3147 my ($code, %vars) = @_;
2471 3148
2472 my $qcode = $code; 3149 my $qcode = $code;
2473 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3150 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2474 $qcode =~ s/\n/\\n/g; 3151 $qcode =~ s/\n/\\n/g;
3152
3153 %vars = (_dummy => 0) unless %vars;
2475 3154
2476 local $_; 3155 local $_;
2477 local @safe::cf::_safe_eval_args = values %vars; 3156 local @safe::cf::_safe_eval_args = values %vars;
2478 3157
2479 my $eval = 3158 my $eval =
2527# the server's init and main functions 3206# the server's init and main functions
2528 3207
2529sub load_facedata($) { 3208sub load_facedata($) {
2530 my ($path) = @_; 3209 my ($path) = @_;
2531 3210
3211 # HACK to clear player env face cache, we need some signal framework
3212 # for this (global event?)
3213 %ext::player_env::MUSIC_FACE_CACHE = ();
3214
3215 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3216
2532 warn "loading facedata from $path\n"; 3217 warn "loading facedata from $path\n";
2533 3218
2534 my $facedata; 3219 my $facedata;
2535 0 < aio_load $path, $facedata 3220 0 < aio_load $path, $facedata
2536 or die "$path: $!"; 3221 or die "$path: $!";
2538 $facedata = Coro::Storable::thaw $facedata; 3223 $facedata = Coro::Storable::thaw $facedata;
2539 3224
2540 $facedata->{version} == 2 3225 $facedata->{version} == 2
2541 or cf::cleanup "$path: version mismatch, cannot proceed."; 3226 or cf::cleanup "$path: version mismatch, cannot proceed.";
2542 3227
3228 # patch in the exptable
3229 $facedata->{resource}{"res/exp_table"} = {
3230 type => FT_RSRC,
3231 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3232 };
3233 cf::cede_to_tick;
3234
2543 { 3235 {
2544 my $faces = $facedata->{faceinfo}; 3236 my $faces = $facedata->{faceinfo};
2545 3237
2546 while (my ($face, $info) = each %$faces) { 3238 while (my ($face, $info) = each %$faces) {
2547 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3239 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3240
2548 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3241 cf::face::set_visibility $idx, $info->{visibility};
3242 cf::face::set_magicmap $idx, $info->{magicmap};
2549 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3243 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2550 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3244 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2551 Coro::cede; 3245
3246 cf::cede_to_tick;
2552 } 3247 }
2553 3248
2554 while (my ($face, $info) = each %$faces) { 3249 while (my ($face, $info) = each %$faces) {
2555 next unless $info->{smooth}; 3250 next unless $info->{smooth};
3251
2556 my $idx = cf::face::find $face 3252 my $idx = cf::face::find $face
2557 or next; 3253 or next;
3254
2558 if (my $smooth = cf::face::find $info->{smooth}) { 3255 if (my $smooth = cf::face::find $info->{smooth}) {
3256 cf::face::set_smooth $idx, $smooth;
2559 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3257 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560 } else { 3258 } else {
2561 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3259 warn "smooth face '$info->{smooth}' not found for face '$face'";
2562 } 3260 }
2563 Coro::cede; 3261
3262 cf::cede_to_tick;
2564 } 3263 }
2565 } 3264 }
2566 3265
2567 { 3266 {
2568 my $anims = $facedata->{animinfo}; 3267 my $anims = $facedata->{animinfo};
2569 3268
2570 while (my ($anim, $info) = each %$anims) { 3269 while (my ($anim, $info) = each %$anims) {
2571 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3270 cf::anim::set $anim, $info->{frames}, $info->{facings};
2572 Coro::cede; 3271 cf::cede_to_tick;
2573 } 3272 }
2574 3273
2575 cf::anim::invalidate_all; # d'oh 3274 cf::anim::invalidate_all; # d'oh
2576 } 3275 }
2577 3276
3277 {
3278 # TODO: for gcfclient pleasure, we should give resources
3279 # that gcfclient doesn't grok a >10000 face index.
3280 my $res = $facedata->{resource};
3281
3282 while (my ($name, $info) = each %$res) {
3283 if (defined $info->{type}) {
3284 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3285 my $data;
3286
3287 if ($info->{type} & 1) {
3288 # prepend meta info
3289
3290 my $meta = $enc->encode ({
3291 name => $name,
3292 %{ $info->{meta} || {} },
3293 });
3294
3295 $data = pack "(w/a*)*", $meta, $info->{data};
3296 } else {
3297 $data = $info->{data};
3298 }
3299
3300 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3301 cf::face::set_type $idx, $info->{type};
3302 } else {
3303 $RESOURCE{$name} = $info;
3304 }
3305
3306 cf::cede_to_tick;
3307 }
3308 }
3309
3310 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3311
2578 1 3312 1
2579} 3313}
2580 3314
3315cf::global->attach (on_resource_update => sub {
3316 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3317 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3318
3319 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3320 my $sound = $soundconf->{compat}[$_]
3321 or next;
3322
3323 my $face = cf::face::find "sound/$sound->[1]";
3324 cf::sound::set $sound->[0] => $face;
3325 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3326 }
3327
3328 while (my ($k, $v) = each %{$soundconf->{event}}) {
3329 my $face = cf::face::find "sound/$v";
3330 cf::sound::set $k => $face;
3331 }
3332 }
3333});
3334
3335register_exticmd fx_want => sub {
3336 my ($ns, $want) = @_;
3337
3338 while (my ($k, $v) = each %$want) {
3339 $ns->fx_want ($k, $v);
3340 }
3341};
3342
3343sub load_resource_file($) {
3344 my $guard = lock_acquire "load_resource_file";
3345
3346 my $status = load_resource_file_ $_[0];
3347 get_slot 0.1, 100;
3348 cf::arch::commit_load;
3349
3350 $status
3351}
3352
2581sub reload_regions { 3353sub reload_regions {
3354 # HACK to clear player env face cache, we need some signal framework
3355 # for this (global event?)
3356 %ext::player_env::MUSIC_FACE_CACHE = ();
3357
2582 load_resource_file "$MAPDIR/regions" 3358 load_resource_file "$MAPDIR/regions"
2583 or die "unable to load regions file\n"; 3359 or die "unable to load regions file\n";
3360
3361 for (cf::region::list) {
3362 $_->{match} = qr/$_->{match}/
3363 if exists $_->{match};
3364 }
2584} 3365}
2585 3366
2586sub reload_facedata { 3367sub reload_facedata {
2587 load_facedata "$DATADIR/facedata" 3368 load_facedata "$DATADIR/facedata"
2588 or die "unable to load facedata\n"; 3369 or die "unable to load facedata\n";
2599} 3380}
2600 3381
2601sub reload_resources { 3382sub reload_resources {
2602 warn "reloading resource files...\n"; 3383 warn "reloading resource files...\n";
2603 3384
3385 reload_facedata;
3386 reload_archetypes;
2604 reload_regions; 3387 reload_regions;
2605 reload_facedata;
2606 #reload_archetypes;#d#
2607 reload_archetypes;
2608 reload_treasures; 3388 reload_treasures;
2609 3389
2610 warn "finished reloading resource files\n"; 3390 warn "finished reloading resource files\n";
2611} 3391}
2612 3392
2613sub init { 3393sub reload_config {
2614 reload_resources; 3394 warn "reloading config file...\n";
2615}
2616 3395
2617sub cfg_load {
2618 open my $fh, "<:utf8", "$CONFDIR/config" 3396 open my $fh, "<:utf8", "$CONFDIR/config"
2619 or return; 3397 or return;
2620 3398
2621 local $/; 3399 local $/;
2622 *CFG = YAML::Syck::Load <$fh>; 3400 *CFG = YAML::XS::Load scalar <$fh>;
2623 3401
2624 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3402 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625 3403
2626 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3404 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3405 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2631 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3409 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632 and die "WARNING: m(un)lockall failed: $!\n"; 3410 and die "WARNING: m(un)lockall failed: $!\n";
2633 }; 3411 };
2634 warn $@ if $@; 3412 warn $@ if $@;
2635 } 3413 }
3414
3415 warn "finished reloading resource files\n";
3416}
3417
3418sub pidfile() {
3419 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3420 or die "$PIDFILE: $!";
3421 flock $fh, &Fcntl::LOCK_EX
3422 or die "$PIDFILE: flock: $!";
3423 $fh
3424}
3425
3426# make sure only one server instance is running at any one time
3427sub atomic {
3428 my $fh = pidfile;
3429
3430 my $pid = <$fh>;
3431 kill 9, $pid if $pid > 0;
3432
3433 seek $fh, 0, 0;
3434 print $fh $$;
3435}
3436
3437sub main_loop {
3438 warn "EV::loop starting\n";
3439 if (1) {
3440 EV::loop;
3441 }
3442 warn "EV::loop returned\n";
3443 goto &main_loop unless $REALLY_UNLOOP;
2636} 3444}
2637 3445
2638sub main { 3446sub main {
3447 cf::init_globals; # initialise logging
3448
3449 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3450 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3451 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3452 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3453
3454 cf::init_experience;
3455 cf::init_anim;
3456 cf::init_attackmess;
3457 cf::init_dynamic;
3458
3459 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3460
2639 # we must not ever block the main coroutine 3461 # we must not ever block the main coroutine
2640 local $Coro::idle = sub { 3462 local $Coro::idle = sub {
2641 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3463 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642 (async { 3464 (async {
2643 Event::one_event; 3465 $Coro::current->{desc} = "IDLE BUG HANDLER";
3466 EV::loop EV::LOOP_ONESHOT;
2644 })->prio (Coro::PRIO_MAX); 3467 })->prio (Coro::PRIO_MAX);
2645 }; 3468 };
2646 3469
2647 cfg_load; 3470 evthread_start IO::AIO::poll_fileno;
3471
3472 cf::sync_job {
3473 reload_resources;
3474 reload_config;
2648 db_init; 3475 db_init;
3476
3477 cf::load_settings;
3478 cf::load_materials;
3479 cf::init_uuid;
3480 cf::init_signals;
3481 cf::init_commands;
3482 cf::init_skills;
3483
3484 cf::init_beforeplay;
3485
3486 atomic;
3487
2649 load_extensions; 3488 load_extensions;
2650 3489
2651 $TICK_WATCHER->start; 3490 utime time, time, $RUNTIMEFILE;
2652 Event::loop; 3491
3492 # no (long-running) fork's whatsoever before this point(!)
3493 use POSIX ();
3494 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3495
3496 (pop @POST_INIT)->(0) while @POST_INIT;
3497 };
3498
3499 main_loop;
2653} 3500}
2654 3501
2655############################################################################# 3502#############################################################################
2656# initialisation and cleanup 3503# initialisation and cleanup
2657 3504
2658# install some emergency cleanup handlers 3505# install some emergency cleanup handlers
2659BEGIN { 3506BEGIN {
3507 our %SIGWATCHER = ();
2660 for my $signal (qw(INT HUP TERM)) { 3508 for my $signal (qw(INT HUP TERM)) {
2661 Event->signal ( 3509 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2662 reentrant => 0,
2663 data => WF_AUTOCANCEL,
2664 signal => $signal,
2665 prio => 0,
2666 cb => sub {
2667 cf::cleanup "SIG$signal"; 3510 cf::cleanup "SIG$signal";
2668 },
2669 ); 3511 };
2670 } 3512 }
2671} 3513}
2672 3514
2673sub write_runtime { 3515sub write_runtime_sync {
2674 my $runtime = "$LOCALDIR/runtime";
2675
2676 # first touch the runtime file to show we are still running: 3516 # first touch the runtime file to show we are still running:
2677 # the fsync below can take a very very long time. 3517 # the fsync below can take a very very long time.
2678 3518
2679 IO::AIO::aio_utime $runtime, undef, undef; 3519 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680 3520
2681 my $guard = cf::lock_acquire "write_runtime"; 3521 my $guard = cf::lock_acquire "write_runtime";
2682 3522
2683 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3523 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2684 or return; 3524 or return;
2685 3525
2686 my $value = $cf::RUNTIME + 90 + 10; 3526 my $value = $cf::RUNTIME + 90 + 10;
2687 # 10 is the runtime save interval, for a monotonic clock 3527 # 10 is the runtime save interval, for a monotonic clock
2688 # 60 allows for the watchdog to kill the server. 3528 # 60 allows for the watchdog to kill the server.
2698 aio_utime $fh, undef, undef; 3538 aio_utime $fh, undef, undef;
2699 3539
2700 close $fh 3540 close $fh
2701 or return; 3541 or return;
2702 3542
2703 aio_rename "$runtime~", $runtime 3543 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704 and return; 3544 and return;
2705 3545
2706 warn "runtime file written.\n"; 3546 warn "runtime file written.\n";
2707 3547
2708 1 3548 1
3549}
3550
3551our $uuid_lock;
3552our $uuid_skip;
3553
3554sub write_uuid_sync($) {
3555 $uuid_skip ||= $_[0];
3556
3557 return if $uuid_lock;
3558 local $uuid_lock = 1;
3559
3560 my $uuid = "$LOCALDIR/uuid";
3561
3562 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3563 or return;
3564
3565 my $value = uuid_seq uuid_cur;
3566
3567 unless ($value) {
3568 warn "cowardly refusing to write zero uuid value!\n";
3569 return;
3570 }
3571
3572 my $value = uuid_str $value + $uuid_skip;
3573 $uuid_skip = 0;
3574
3575 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3576 and return;
3577
3578 # always fsync - this file is important
3579 aio_fsync $fh
3580 and return;
3581
3582 close $fh
3583 or return;
3584
3585 aio_rename "$uuid~", $uuid
3586 and return;
3587
3588 warn "uuid file written ($value).\n";
3589
3590 1
3591
3592}
3593
3594sub write_uuid($$) {
3595 my ($skip, $sync) = @_;
3596
3597 $sync ? write_uuid_sync $skip
3598 : async { write_uuid_sync $skip };
2709} 3599}
2710 3600
2711sub emergency_save() { 3601sub emergency_save() {
2712 my $freeze_guard = cf::freeze_mainloop; 3602 my $freeze_guard = cf::freeze_mainloop;
2713 3603
2714 warn "enter emergency perl save\n"; 3604 warn "emergency_perl_save: enter\n";
2715 3605
2716 cf::sync_job { 3606 cf::sync_job {
3607 # this is a trade-off: we want to be very quick here, so
3608 # save all maps without fsync, and later call a global sync
3609 # (which in turn might be very very slow)
3610 local $USE_FSYNC = 0;
3611
2717 # use a peculiar iteration method to avoid tripping on perl 3612 # use a peculiar iteration method to avoid tripping on perl
2718 # refcount bugs in for. also avoids problems with players 3613 # refcount bugs in for. also avoids problems with players
2719 # and maps saved/destroyed asynchronously. 3614 # and maps saved/destroyed asynchronously.
2720 warn "begin emergency player save\n"; 3615 warn "emergency_perl_save: begin player save\n";
2721 for my $login (keys %cf::PLAYER) { 3616 for my $login (keys %cf::PLAYER) {
2722 my $pl = $cf::PLAYER{$login} or next; 3617 my $pl = $cf::PLAYER{$login} or next;
2723 $pl->valid or next; 3618 $pl->valid or next;
3619 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724 $pl->save; 3620 $pl->save;
2725 } 3621 }
2726 warn "end emergency player save\n"; 3622 warn "emergency_perl_save: end player save\n";
2727 3623
2728 warn "begin emergency map save\n"; 3624 warn "emergency_perl_save: begin map save\n";
2729 for my $path (keys %cf::MAP) { 3625 for my $path (keys %cf::MAP) {
2730 my $map = $cf::MAP{$path} or next; 3626 my $map = $cf::MAP{$path} or next;
2731 $map->valid or next; 3627 $map->valid or next;
2732 $map->save; 3628 $map->save;
2733 } 3629 }
2734 warn "end emergency map save\n"; 3630 warn "emergency_perl_save: end map save\n";
2735 3631
2736 warn "begin emergency database checkpoint\n"; 3632 warn "emergency_perl_save: begin database checkpoint\n";
2737 BDB::db_env_txn_checkpoint $DB_ENV; 3633 BDB::db_env_txn_checkpoint $DB_ENV;
2738 warn "end emergency database checkpoint\n"; 3634 warn "emergency_perl_save: end database checkpoint\n";
3635
3636 warn "emergency_perl_save: begin write uuid\n";
3637 write_uuid_sync 1;
3638 warn "emergency_perl_save: end write uuid\n";
2739 }; 3639 };
2740 3640
3641 warn "emergency_perl_save: starting sync()\n";
3642 IO::AIO::aio_sync sub {
3643 warn "emergency_perl_save: finished sync()\n";
3644 };
3645
2741 warn "leave emergency perl save\n"; 3646 warn "emergency_perl_save: leave\n";
2742} 3647}
2743 3648
2744sub post_cleanup { 3649sub post_cleanup {
2745 my ($make_core) = @_; 3650 my ($make_core) = @_;
2746 3651
2747 warn Carp::longmess "post_cleanup backtrace" 3652 warn Carp::longmess "post_cleanup backtrace"
2748 if $make_core; 3653 if $make_core;
3654
3655 my $fh = pidfile;
3656 unlink $PIDFILE if <$fh> == $$;
3657}
3658
3659# a safer delete_package, copied from Symbol
3660sub clear_package($) {
3661 my $pkg = shift;
3662
3663 # expand to full symbol table name if needed
3664 unless ($pkg =~ /^main::.*::$/) {
3665 $pkg = "main$pkg" if $pkg =~ /^::/;
3666 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3667 $pkg .= '::' unless $pkg =~ /::$/;
3668 }
3669
3670 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3671 my $stem_symtab = *{$stem}{HASH};
3672
3673 defined $stem_symtab and exists $stem_symtab->{$leaf}
3674 or return;
3675
3676 # clear all symbols
3677 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3678 for my $name (keys %$leaf_symtab) {
3679 _gv_clear *{"$pkg$name"};
3680# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3681 }
3682 warn "cleared package $pkg\n";#d#
2749} 3683}
2750 3684
2751sub do_reload_perl() { 3685sub do_reload_perl() {
2752 # can/must only be called in main 3686 # can/must only be called in main
2753 if ($Coro::current != $Coro::main) { 3687 if ($Coro::current != $Coro::main) {
2754 warn "can only reload from main coroutine"; 3688 warn "can only reload from main coroutine";
2755 return; 3689 return;
2756 } 3690 }
2757 3691
3692 return if $RELOAD++;
3693
3694 my $t1 = EV::time;
3695
3696 while ($RELOAD) {
2758 warn "reloading..."; 3697 warn "reloading...";
2759 3698
2760 warn "entering sync_job"; 3699 warn "entering sync_job";
2761 3700
2762 cf::sync_job { 3701 cf::sync_job {
2763 cf::write_runtime; # external watchdog should not bark 3702 cf::write_runtime_sync; # external watchdog should not bark
2764 cf::emergency_save; 3703 cf::emergency_save;
2765 cf::write_runtime; # external watchdog should not bark 3704 cf::write_runtime_sync; # external watchdog should not bark
2766 3705
2767 warn "syncing database to disk"; 3706 warn "syncing database to disk";
2768 BDB::db_env_txn_checkpoint $DB_ENV; 3707 BDB::db_env_txn_checkpoint $DB_ENV;
2769 3708
2770 # if anything goes wrong in here, we should simply crash as we already saved 3709 # if anything goes wrong in here, we should simply crash as we already saved
2771 3710
2772 warn "cancelling all WF_AUTOCANCEL watchers";
2773 for (Event::all_watchers) {
2774 $_->cancel if $_->data & WF_AUTOCANCEL;
2775 }
2776
2777 warn "flushing outstanding aio requests"; 3711 warn "flushing outstanding aio requests";
2778 for (;;) {
2779 BDB::flush;
2780 IO::AIO::flush;
2781 Coro::cede;
2782 last unless IO::AIO::nreqs || BDB::nreqs; 3712 while (IO::AIO::nreqs || BDB::nreqs) {
2783 warn "iterate..."; 3713 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784 }
2785
2786 ++$RELOAD;
2787
2788 warn "cancelling all extension coros";
2789 $_->cancel for values %EXT_CORO;
2790 %EXT_CORO = ();
2791
2792 warn "removing commands";
2793 %COMMAND = ();
2794
2795 warn "removing ext commands";
2796 %EXTCMD = ();
2797
2798 warn "unloading/nuking all extensions";
2799 for my $pkg (@EXTS) {
2800 warn "... unloading $pkg";
2801
2802 if (my $cb = $pkg->can ("unload")) {
2803 eval {
2804 $cb->($pkg);
2805 1
2806 } or warn "$pkg unloaded, but with errors: $@";
2807 } 3714 }
2808 3715
2809 warn "... nuking $pkg"; 3716 warn "cancelling all extension coros";
2810 Symbol::delete_package $pkg; 3717 $_->cancel for values %EXT_CORO;
2811 } 3718 %EXT_CORO = ();
2812 3719
2813 warn "unloading all perl modules loaded from $LIBDIR"; 3720 warn "removing commands";
2814 while (my ($k, $v) = each %INC) { 3721 %COMMAND = ();
2815 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816 3722
3723 warn "removing ext/exti commands";
3724 %EXTCMD = ();
3725 %EXTICMD = ();
3726
3727 warn "unloading/nuking all extensions";
3728 for my $pkg (@EXTS) {
2817 warn "... unloading $k"; 3729 warn "... unloading $pkg";
2818 delete $INC{$k};
2819 3730
2820 $k =~ s/\.pm$//;
2821 $k =~ s/\//::/g;
2822
2823 if (my $cb = $k->can ("unload_module")) { 3731 if (my $cb = $pkg->can ("unload")) {
3732 eval {
2824 $cb->(); 3733 $cb->($pkg);
3734 1
3735 } or warn "$pkg unloaded, but with errors: $@";
3736 }
3737
3738 warn "... clearing $pkg";
3739 clear_package $pkg;
2825 } 3740 }
2826 3741
2827 Symbol::delete_package $k; 3742 warn "unloading all perl modules loaded from $LIBDIR";
3743 while (my ($k, $v) = each %INC) {
3744 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3745
3746 warn "... unloading $k";
3747 delete $INC{$k};
3748
3749 $k =~ s/\.pm$//;
3750 $k =~ s/\//::/g;
3751
3752 if (my $cb = $k->can ("unload_module")) {
3753 $cb->();
3754 }
3755
3756 clear_package $k;
2828 } 3757 }
2829 3758
2830 warn "getting rid of safe::, as good as possible"; 3759 warn "getting rid of safe::, as good as possible";
2831 Symbol::delete_package "safe::$_" 3760 clear_package "safe::$_"
2832 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3761 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833 3762
2834 warn "unloading cf.pm \"a bit\""; 3763 warn "unloading cf.pm \"a bit\"";
2835 delete $INC{"cf.pm"}; 3764 delete $INC{"cf.pm"};
2836 delete $INC{"cf/pod.pm"}; 3765 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837 3766
2838 # don't, removes xs symbols, too, 3767 # don't, removes xs symbols, too,
2839 # and global variables created in xs 3768 # and global variables created in xs
2840 #Symbol::delete_package __PACKAGE__; 3769 #clear_package __PACKAGE__;
2841 3770
2842 warn "unload completed, starting to reload now"; 3771 warn "unload completed, starting to reload now";
2843 3772
2844 warn "reloading cf.pm"; 3773 warn "reloading cf.pm";
2845 require cf; 3774 require cf;
2846 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3775 cf::_connect_to_perl_1;
2847 3776
2848 warn "loading config and database again"; 3777 warn "loading config and database again";
2849 cf::cfg_load; 3778 cf::reload_config;
2850 3779
2851 warn "loading extensions"; 3780 warn "loading extensions";
2852 cf::load_extensions; 3781 cf::load_extensions;
2853 3782
3783 if ($REATTACH_ON_RELOAD) {
2854 warn "reattaching attachments to objects/players"; 3784 warn "reattaching attachments to objects/players";
2855 _global_reattach; # objects, sockets 3785 _global_reattach; # objects, sockets
2856 warn "reattaching attachments to maps"; 3786 warn "reattaching attachments to maps";
2857 reattach $_ for values %MAP; 3787 reattach $_ for values %MAP;
2858 warn "reattaching attachments to players"; 3788 warn "reattaching attachments to players";
2859 reattach $_ for values %PLAYER; 3789 reattach $_ for values %PLAYER;
3790 }
2860 3791
3792 warn "running post_init jobs";
3793 (pop @POST_INIT)->(1) while @POST_INIT;
3794
2861 warn "leaving sync_job"; 3795 warn "leaving sync_job";
2862 3796
2863 1 3797 1
2864 } or do { 3798 } or do {
2865 warn $@; 3799 warn $@;
2866 warn "error while reloading, exiting."; 3800 cf::cleanup "error while reloading, exiting.";
2867 exit 1;
2868 }; 3801 };
2869 3802
2870 warn "reloaded"; 3803 warn "reloaded";
3804 --$RELOAD;
3805 }
3806
3807 $t1 = EV::time - $t1;
3808 warn "reload completed in ${t1}s\n";
2871}; 3809};
2872 3810
2873our $RELOAD_WATCHER; # used only during reload 3811our $RELOAD_WATCHER; # used only during reload
2874 3812
2875sub reload_perl() { 3813sub reload_perl() {
2876 # doing reload synchronously and two reloads happen back-to-back, 3814 # doing reload synchronously and two reloads happen back-to-back,
2877 # coro crashes during coro_state_free->destroy here. 3815 # coro crashes during coro_state_free->destroy here.
2878 3816
2879 $RELOAD_WATCHER ||= Event->timer ( 3817 $RELOAD_WATCHER ||= cf::async {
2880 reentrant => 0, 3818 Coro::AIO::aio_wait cache_extensions;
2881 after => 0, 3819
2882 data => WF_AUTOCANCEL, 3820 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2883 cb => sub {
2884 do_reload_perl; 3821 do_reload_perl;
2885 undef $RELOAD_WATCHER; 3822 undef $RELOAD_WATCHER;
2886 }, 3823 };
2887 ); 3824 };
2888} 3825}
2889 3826
2890register_command "reload" => sub { 3827register_command "reload" => sub {
2891 my ($who, $arg) = @_; 3828 my ($who, $arg) = @_;
2892 3829
2893 if ($who->flag (FLAG_WIZ)) { 3830 if ($who->flag (FLAG_WIZ)) {
2894 $who->message ("reloading server."); 3831 $who->message ("reloading server.");
3832 async {
3833 $Coro::current->{desc} = "perl_reload";
2895 async { reload_perl }; 3834 reload_perl;
3835 };
2896 } 3836 }
2897}; 3837};
2898 3838
2899unshift @INC, $LIBDIR; 3839unshift @INC, $LIBDIR;
2900 3840
2902 3842
2903our @WAIT_FOR_TICK; 3843our @WAIT_FOR_TICK;
2904our @WAIT_FOR_TICK_BEGIN; 3844our @WAIT_FOR_TICK_BEGIN;
2905 3845
2906sub wait_for_tick { 3846sub wait_for_tick {
2907 return unless $TICK_WATCHER->is_active;
2908 return if $Coro::current == $Coro::main; 3847 return if tick_inhibit || $Coro::current == $Coro::main;
2909 3848
2910 my $signal = new Coro::Signal; 3849 my $signal = new Coro::Signal;
2911 push @WAIT_FOR_TICK, $signal; 3850 push @WAIT_FOR_TICK, $signal;
2912 $signal->wait; 3851 $signal->wait;
2913} 3852}
2914 3853
2915sub wait_for_tick_begin { 3854sub wait_for_tick_begin {
2916 return unless $TICK_WATCHER->is_active;
2917 return if $Coro::current == $Coro::main; 3855 return if tick_inhibit || $Coro::current == $Coro::main;
2918 3856
2919 my $signal = new Coro::Signal; 3857 my $signal = new Coro::Signal;
2920 push @WAIT_FOR_TICK_BEGIN, $signal; 3858 push @WAIT_FOR_TICK_BEGIN, $signal;
2921 $signal->wait; 3859 $signal->wait;
2922} 3860}
2923 3861
2924 my $min = 1e6;#d# 3862sub tick {
2925 my $avg = 10;
2926$TICK_WATCHER = Event->timer (
2927 reentrant => 0,
2928 parked => 1,
2929 prio => 0,
2930 at => $NEXT_TICK || $TICK,
2931 data => WF_AUTOCANCEL,
2932 cb => sub {
2933 if ($Coro::current != $Coro::main) { 3863 if ($Coro::current != $Coro::main) {
2934 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3864 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935 unless ++$bug_warning > 10; 3865 unless ++$bug_warning > 10;
2936 return; 3866 return;
2937 } 3867 }
2938 3868
2939 $NOW = $tick_start = Event::time;
2940
2941 cf::server_tick; # one server iteration 3869 cf::server_tick; # one server iteration
2942 3870
2943 0 && sync_job {#d# 3871 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944 for(1..10) { 3872 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945 my $t = Event::time; 3873 Coro::async_pool {
2946 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3874 $Coro::current->{desc} = "runtime saver";
2947 or die; 3875 write_runtime_sync
2948 3876 or warn "ERROR: unable to write runtime file: $!";
2949 $map->width (50);
2950 $map->height (50);
2951 $map->alloc;
2952 $map->_load_objects ("/tmp/x.map", 1);
2953 my $t = Event::time - $t;
2954
2955 #next unless $t < 0.0013;#d#
2956 if ($t < $min) {
2957 $min = $t;
2958 }
2959 $avg = $avg * 0.99 + $t * 0.01;
2960 }
2961 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962 exit 0;
2963 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964 }; 3877 };
3878 }
2965 3879
2966 $RUNTIME += $TICK;
2967 $NEXT_TICK += $TICK;
2968
2969 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970 $NEXT_RUNTIME_WRITE = $NOW + 10;
2971 Coro::async_pool {
2972 write_runtime
2973 or warn "ERROR: unable to write runtime file: $!";
2974 };
2975 }
2976
2977# my $AFTER = Event::time;
2978# warn $AFTER - $NOW;#d#
2979
2980 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3880 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981 $sig->send; 3881 $sig->send;
2982 } 3882 }
2983 while (my $sig = shift @WAIT_FOR_TICK) { 3883 while (my $sig = shift @WAIT_FOR_TICK) {
2984 $sig->send; 3884 $sig->send;
2985 } 3885 }
2986 3886
2987 $NOW = Event::time; 3887 $LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989 # if we are delayed by four ticks or more, skip them all
2990 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992 $TICK_WATCHER->at ($NEXT_TICK);
2993 $TICK_WATCHER->start;
2994
2995 $LOAD = ($NOW - $tick_start) / $TICK;
2996 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3888 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997 3889
2998 _post_tick; 3890 if (0) {
2999 3891 if ($NEXT_TICK) {
3000 3892 my $jitter = $TICK_START - $NEXT_TICK;
3893 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3894 warn "jitter $JITTER\n";#d#
3895 }
3001 }, 3896 }
3002); 3897}
3003 3898
3004{ 3899{
3005 BDB::max_poll_time $TICK * 0.1; 3900 # configure BDB
3006 $BDB_POLL_WATCHER = Event->io ( 3901
3007 reentrant => 0,
3008 fd => BDB::poll_fileno,
3009 poll => 'r',
3010 prio => 0,
3011 data => WF_AUTOCANCEL,
3012 cb => \&BDB::poll_cb,
3013 );
3014 BDB::min_parallel 8; 3902 BDB::min_parallel 8;
3015 3903 BDB::max_poll_reqs $TICK * 0.1;
3016 BDB::set_sync_prepare { 3904 $AnyEvent::BDB::WATCHER->priority (1);
3017 my $status;
3018 my $current = $Coro::current;
3019 (
3020 sub {
3021 $status = $!;
3022 $current->ready; undef $current;
3023 },
3024 sub {
3025 Coro::schedule while defined $current;
3026 $! = $status;
3027 },
3028 )
3029 };
3030 3905
3031 unless ($DB_ENV) { 3906 unless ($DB_ENV) {
3032 $DB_ENV = BDB::db_env_create; 3907 $DB_ENV = BDB::db_env_create;
3908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3909 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3910 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3911 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3912 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033 3913
3034 cf::sync_job { 3914 cf::sync_job {
3035 eval { 3915 eval {
3036 BDB::db_env_open 3916 BDB::db_env_open
3037 $DB_ENV, 3917 $DB_ENV,
3039 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3919 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3920 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041 0666; 3921 0666;
3042 3922
3043 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3923 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046 $DB_ENV->set_lk_detect;
3047 }; 3924 };
3048 3925
3049 cf::cleanup "db_env_open(db): $@" if $@; 3926 cf::cleanup "db_env_open(db): $@" if $@;
3050 }; 3927 };
3051 } 3928 }
3929
3930 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3931 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3932 };
3933 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3934 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3935 };
3936 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3937 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3938 };
3052} 3939}
3053 3940
3054{ 3941{
3942 # configure IO::AIO
3943
3055 IO::AIO::min_parallel 8; 3944 IO::AIO::min_parallel 8;
3056
3057 undef $Coro::AIO::WATCHER;
3058 IO::AIO::max_poll_time $TICK * 0.1; 3945 IO::AIO::max_poll_time $TICK * 0.1;
3059 $AIO_POLL_WATCHER = Event->io ( 3946 undef $AnyEvent::AIO::WATCHER;
3060 reentrant => 0,
3061 data => WF_AUTOCANCEL,
3062 fd => IO::AIO::poll_fileno,
3063 poll => 'r',
3064 prio => 6,
3065 cb => \&IO::AIO::poll_cb,
3066 );
3067} 3947}
3068 3948
3069my $_log_backtrace; 3949my $_log_backtrace;
3070 3950
3071sub _log_backtrace { 3951sub _log_backtrace {
3074 $msg =~ s/\n//; 3954 $msg =~ s/\n//;
3075 3955
3076 # limit the # of concurrent backtraces 3956 # limit the # of concurrent backtraces
3077 if ($_log_backtrace < 2) { 3957 if ($_log_backtrace < 2) {
3078 ++$_log_backtrace; 3958 ++$_log_backtrace;
3959 my $perl_bt = Carp::longmess $msg;
3079 async { 3960 async {
3961 $Coro::current->{desc} = "abt $msg";
3962
3080 my @bt = fork_call { 3963 my @bt = fork_call {
3081 @addr = map { sprintf "%x", $_ } @addr; 3964 @addr = map { sprintf "%x", $_ } @addr;
3082 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3965 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3966 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084 or die "addr2line: $!"; 3967 or die "addr2line: $!";
3092 } 3975 }
3093 3976
3094 @funcs 3977 @funcs
3095 }; 3978 };
3096 3979
3097 LOG llevInfo, "[ABT] $msg\n"; 3980 LOG llevInfo, "[ABT] $perl_bt\n";
3981 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098 LOG llevInfo, "[ABT] $_\n" for @bt; 3982 LOG llevInfo, "[ABT] $_\n" for @bt;
3099 --$_log_backtrace; 3983 --$_log_backtrace;
3100 }; 3984 };
3101 } else { 3985 } else {
3102 LOG llevInfo, "[ABT] $msg\n"; 3986 LOG llevInfo, "[ABT] $msg\n";
3103 LOG llevInfo, "[ABT] [suppressed]\n"; 3987 LOG llevInfo, "[ABT] [suppressed]\n";
3104 } 3988 }
3105} 3989}
3106 3990
3107# load additional modules 3991# load additional modules
3108use cf::pod; 3992require "cf/$_.pm" for @EXTRA_MODULES;
3993cf::_connect_to_perl_2;
3109 3994
3110END { cf::emergency_save } 3995END { cf::emergency_save }
3111 3996
31121 39971
3113 3998

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