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Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.495 by root, Tue Nov 10 04:38:45 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 ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5; 58use Digest::MD5;
28use Fcntl; 59use Fcntl;
29use YAML::Syck (); 60use YAML::XS ();
30use IO::AIO 2.32 (); 61use IO::AIO ();
31use Time::HiRes; 62use Time::HiRes;
32use Compress::LZF; 63use Compress::LZF;
64use Digest::MD5 ();
65
66AnyEvent::detect;
33 67
34# configure various modules to our taste 68# configure various modules to our taste
35# 69#
36$Storable::canonical = 1; # reduce rsync transfers 70$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 71Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
72
73$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
74
75# make sure c-lzf reinitialises itself
76Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 77Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 78
40$Event::Eval = 1; # no idea why this is required, but it is 79# strictly for debugging
41 80$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 81
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 82sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 83
49our %COMMAND = (); 84our %COMMAND = ();
50our %COMMAND_TIME = (); 85our %COMMAND_TIME = ();
51 86
52our @EXTS = (); # list of extension package names 87our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 88our %EXTCMD = ();
89our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 90our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 91our %EXT_MAP = (); # pluggable maps
56 92
57our $RELOAD; # number of reloads so far 93our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 94our @EVENT;
95our @REFLECT; # set by XS
96our %REFLECT; # set by us
59 97
60our $CONFDIR = confdir; 98our $CONFDIR = confdir;
61our $DATADIR = datadir; 99our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 103our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 104our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 105our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 106our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 107our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 108our $BDBDIR = "$LOCALDIR/db";
109our $PIDFILE = "$LOCALDIR/pid";
110our $RUNTIMEFILE = "$LOCALDIR/runtime";
111
112our %RESOURCE;
71 113
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 114our $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 115our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 116our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 117our $USE_FSYNC = 1; # use fsync to write maps - default on
79 118
119our $BDB_DEADLOCK_WATCHER;
120our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 121our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 122our $DB_ENV;
123
124our @EXTRA_MODULES = qw(pod match mapscript);
82 125
83our %CFG; 126our %CFG;
84 127
85our $UPTIME; $UPTIME ||= time; 128our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 129our $RUNTIME;
130our $NOW;
87 131
88our %PLAYER; # all users 132our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 133our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 134our $LINK_MAP; # the special {link} map, which is always available
91 135
92# used to convert map paths into valid unix filenames by replacing / by ∕ 136# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 137our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 138
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 139our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 140our $LOADAVG; # same thing, but with alpha-smoothing
141our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 142our $TICK_START; # for load detecting purposes
143
144our @POST_INIT;
145
146our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
147our $REALLY_UNLOOP; # never set to true, please :)
98 148
99binmode STDOUT; 149binmode STDOUT;
100binmode STDERR; 150binmode STDERR;
101 151
102# read virtual server time, if available 152# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 153unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 154 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 155 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 156 $RUNTIME = <$fh> + 0.;
107} 157}
158
159eval "sub TICK() { $TICK } 1" or die;
108 160
109mkdir $_ 161mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 162 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 163
112our $EMERGENCY_POSITION; 164our $EMERGENCY_POSITION;
113 165
114sub cf::map::normalise; 166sub cf::map::normalise;
167
168#############################################################################
169
170%REFLECT = ();
171for (@REFLECT) {
172 my $reflect = JSON::XS::decode_json $_;
173 $REFLECT{$reflect->{class}} = $reflect;
174}
175
176# this is decidedly evil
177$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 178
116############################################################################# 179#############################################################################
117 180
118=head2 GLOBAL VARIABLES 181=head2 GLOBAL VARIABLES
119 182
155 218
156The raw value load value from the last tick. 219The raw value load value from the last tick.
157 220
158=item %cf::CFG 221=item %cf::CFG
159 222
160Configuration for the server, loaded from C</etc/crossfire/config>, or 223Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 224from wherever your confdir points to.
162 225
163=item cf::wait_for_tick, cf::wait_for_tick_begin 226=item cf::wait_for_tick, cf::wait_for_tick_begin
164 227
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 228These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 229returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 230per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 231
232=item @cf::INVOKE_RESULTS
233
234This array contains the results of the last C<invoke ()> call. When
235C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
236that call.
237
238=item %cf::REFLECT
239
240Contains, for each (C++) class name, a hash reference with information
241about object members (methods, scalars, arrays and flags) and other
242metadata, which is useful for introspection.
243
169=back 244=back
170 245
171=cut 246=cut
172 247
173BEGIN { 248$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 249 my $msg = join "", @_;
176 250
177 $msg .= "\n" 251 $msg .= "\n"
178 unless $msg =~ /\n$/; 252 unless $msg =~ /\n$/;
179 253
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 254 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 255
182 utf8::encode $msg;
183 LOG llevError, $msg; 256 LOG llevError, $msg;
184 }; 257};
185} 258
259$Coro::State::DIEHOOK = sub {
260 return unless $^S eq 0; # "eq", not "=="
261
262 warn Carp::longmess $_[0];
263
264 if ($Coro::current == $Coro::main) {#d#
265 warn "DIEHOOK called in main context, Coro bug?\n";#d#
266 return;#d#
267 }#d#
268
269 # kill coroutine otherwise
270 Coro::terminate
271};
186 272
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 273@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 274@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 275@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 276@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 283for my $pkg (qw(
198 cf::global cf::attachable 284 cf::global cf::attachable
199 cf::object cf::object::player 285 cf::object cf::object::player
200 cf::client cf::player 286 cf::client cf::player
201 cf::arch cf::living 287 cf::arch cf::living
288 cf::map cf::mapspace
202 cf::map cf::party cf::region 289 cf::party cf::region
203)) { 290)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 291 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 292}
207 293
208$Event::DIED = sub { 294$EV::DIED = sub {
209 warn "error in event callback: @_"; 295 Carp::cluck "error in event callback: @_";
210}; 296};
211 297
212############################################################################# 298#############################################################################
213 299
214=head2 UTILITY FUNCTIONS 300=head2 UTILITY FUNCTIONS
236 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 322 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237 $d 323 $d
238 } || "[unable to dump $_[0]: '$@']"; 324 } || "[unable to dump $_[0]: '$@']";
239} 325}
240 326
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243=item $ref = cf::from_json $json 327=item $ref = cf::decode_json $json
244 328
245Converts a JSON string into the corresponding perl data structure. 329Converts a JSON string into the corresponding perl data structure.
246 330
247=item $json = cf::to_json $ref 331=item $json = cf::encode_json $ref
248 332
249Converts a perl data structure into its JSON representation. 333Converts a perl data structure into its JSON representation.
250 334
335=cut
336
337our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
338
339sub encode_json($) { $json_coder->encode ($_[0]) }
340sub decode_json($) { $json_coder->decode ($_[0]) }
341
342=item cf::post_init { BLOCK }
343
344Execute the given codeblock, I<after> all extensions have been (re-)loaded,
345but I<before> the server starts ticking again.
346
347The cdoeblock will have a single boolean argument to indicate whether this
348is a reload or not.
349
350=cut
351
352sub post_init(&) {
353 push @POST_INIT, shift;
354}
355
251=item cf::lock_wait $string 356=item cf::lock_wait $string
252 357
253Wait until the given lock is available. See cf::lock_acquire. 358Wait until the given lock is available. See cf::lock_acquire.
254 359
255=item my $lock = cf::lock_acquire $string 360=item my $lock = cf::lock_acquire $string
256 361
257Wait until the given lock is available and then acquires it and returns 362Wait 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, 363a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259for example when the coroutine gets canceled), the lock is automatically 364for example when the coroutine gets canceled), the lock is automatically
260returned. 365returned.
261 366
367Locks are *not* recursive, locking from the same coro twice results in a
368deadlocked coro.
369
262Lock names should begin with a unique identifier (for example, cf::map::find 370Lock names should begin with a unique identifier (for example, cf::map::find
263uses map_find and cf::map::load uses map_load). 371uses map_find and cf::map::load uses map_load).
264 372
265=item $locked = cf::lock_active $string 373=item $locked = cf::lock_active $string
266 374
267Return true if the lock is currently active, i.e. somebody has locked it. 375Return true if the lock is currently active, i.e. somebody has locked it.
268 376
269=cut 377=cut
270 378
271our %LOCK; 379our $LOCKS = new Coro::SemaphoreSet;
272 380
273sub lock_wait($) { 381sub lock_wait($) {
274 my ($key) = @_; 382 $LOCKS->wait ($_[0]);
275
276 # wait for lock, if any
277 while ($LOCK{$key}) {
278 push @{ $LOCK{$key} }, $Coro::current;
279 Coro::schedule;
280 }
281} 383}
282 384
283sub lock_acquire($) { 385sub lock_acquire($) {
284 my ($key) = @_; 386 $LOCKS->guard ($_[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} 387}
296 388
297sub lock_active($) { 389sub lock_active($) {
298 my ($key) = @_; 390 $LOCKS->count ($_[0]) < 1
299
300 ! ! $LOCK{$key}
301} 391}
302 392
303sub freeze_mainloop { 393sub freeze_mainloop {
304 return unless $TICK_WATCHER->is_active; 394 tick_inhibit_inc;
305 395
306 my $guard = Coro::guard { 396 &Guard::guard (\&tick_inhibit_dec);
307 $TICK_WATCHER->start; 397}
398
399=item cf::periodic $interval, $cb
400
401Like EV::periodic, but randomly selects a starting point so that the actions
402get spread over timer.
403
404=cut
405
406sub periodic($$) {
407 my ($interval, $cb) = @_;
408
409 my $start = rand List::Util::min 180, $interval;
410
411 EV::periodic $start, $interval, 0, $cb
412}
413
414=item cf::get_slot $time[, $priority[, $name]]
415
416Allocate $time seconds of blocking CPU time at priority C<$priority>:
417This call blocks and returns only when you have at least C<$time> seconds
418of cpu time till the next tick. The slot is only valid till the next cede.
419
420The optional C<$name> can be used to identify the job to run. It might be
421used for statistical purposes and should identify the same time-class.
422
423Useful for short background jobs.
424
425=cut
426
427our @SLOT_QUEUE;
428our $SLOT_QUEUE;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435
436 while () {
437 next_job:
438 my $avail = cf::till_tick;
439 if ($avail > 0.01) {
440 for (0 .. $#SLOT_QUEUE) {
441 if ($SLOT_QUEUE[$_][0] < $avail) {
442 my $job = splice @SLOT_QUEUE, $_, 1, ();
443 $job->[2]->send;
444 Coro::cede;
445 goto next_job;
446 }
447 }
448 }
449
450 if (@SLOT_QUEUE) {
451 # we do not use wait_for_tick() as it returns immediately when tick is inactive
452 push @cf::WAIT_FOR_TICK, $signal;
453 $signal->wait;
454 } else {
455 Coro::schedule;
456 }
308 }; 457 }
309 $TICK_WATCHER->stop; 458};
310 $guard 459
460sub get_slot($;$$) {
461 return if tick_inhibit || $Coro::current == $Coro::main;
462
463 my ($time, $pri, $name) = @_;
464
465 $time = $TICK * .6 if $time > $TICK * .6;
466 my $sig = new Coro::Signal;
467
468 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
469 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
470 $SLOT_QUEUE->ready;
471 $sig->wait;
311} 472}
312 473
313=item cf::async { BLOCK } 474=item cf::async { BLOCK }
314 475
315Currently the same as Coro::async_pool, meaning you cannot use 476Currently the same as Coro::async_pool, meaning you cannot use
320 481
321BEGIN { *async = \&Coro::async_pool } 482BEGIN { *async = \&Coro::async_pool }
322 483
323=item cf::sync_job { BLOCK } 484=item cf::sync_job { BLOCK }
324 485
325The design of Crossfire TRT requires that the main coroutine ($Coro::main) 486The design of Deliantra requires that the main coroutine ($Coro::main)
326is always able to handle events or runnable, as Crossfire TRT is only 487is always able to handle events or runnable, as Deliantra is only
327partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 488partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328acceptable. 489acceptable.
329 490
330If it must be done, put the blocking parts into C<sync_job>. This will run 491If it must be done, put the blocking parts into C<sync_job>. This will run
331the given BLOCK in another coroutine while waiting for the result. The 492the given BLOCK in another coroutine while waiting for the result. The
336 497
337sub sync_job(&) { 498sub sync_job(&) {
338 my ($job) = @_; 499 my ($job) = @_;
339 500
340 if ($Coro::current == $Coro::main) { 501 if ($Coro::current == $Coro::main) {
341 my $time = Event::time; 502 my $time = EV::time;
342 503
343 # this is the main coro, too bad, we have to block 504 # this is the main coro, too bad, we have to block
344 # till the operation succeeds, freezing the server :/ 505 # till the operation succeeds, freezing the server :/
345 506
346 # TODO: use suspend/resume instead 507 LOG llevError, Carp::longmess "sync job";#d#
347 # (but this is cancel-safe) 508
348 my $freeze_guard = freeze_mainloop; 509 my $freeze_guard = freeze_mainloop;
349 510
350 my $busy = 1; 511 my $busy = 1;
351 my @res; 512 my @res;
352 513
353 (async { 514 (async {
515 $Coro::current->desc ("sync job coro");
354 @res = eval { $job->() }; 516 @res = eval { $job->() };
355 warn $@ if $@; 517 warn $@ if $@;
356 undef $busy; 518 undef $busy;
357 })->prio (Coro::PRIO_MAX); 519 })->prio (Coro::PRIO_MAX);
358 520
359 while ($busy) { 521 while ($busy) {
360 Coro::cede or Event::one_event; 522 if (Coro::nready) {
523 Coro::cede_notself;
524 } else {
525 EV::loop EV::LOOP_ONESHOT;
361 } 526 }
527 }
362 528
363 $time = Event::time - $time; 529 my $time = EV::time - $time;
364 530
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 531 $TICK_START += $time; # do not account sync jobs to server load
369 532
370 wantarray ? @res : $res[0] 533 wantarray ? @res : $res[0]
371 } else { 534 } else {
372 # we are in another coroutine, how wonderful, everything just works 535 # we are in another coroutine, how wonderful, everything just works
373 536
398=item fork_call { }, $args 561=item fork_call { }, $args
399 562
400Executes the given code block with the given arguments in a seperate 563Executes the given code block with the given arguments in a seperate
401process, returning the results. Everything must be serialisable with 564process, returning the results. Everything must be serialisable with
402Coro::Storable. May, of course, block. Note that the executed sub may 565Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 566never block itself or use any form of event handling.
404 567
405=cut 568=cut
406 569
407sub fork_call(&@) { 570sub fork_call(&@) {
408 my ($cb, @args) = @_; 571 my ($cb, @args) = @_;
409 572
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 573 # we seemingly have to make a local copy of the whole thing,
411# or die "socketpair: $!"; 574 # otherwise perl prematurely frees the stuff :/
412 pipe my $fh1, my $fh2 575 # TODO: investigate and fix (likely this will be rather laborious)
413 or die "pipe: $!";
414 576
415 if (my $pid = fork) { 577 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; 578 reset_signals;
428 local $SIG{__WARN__}; 579 &$cb
429 local $SIG{__DIE__}; 580 }, @args;
430 eval {
431 close $fh1;
432 581
433 my @res = eval { $cb->(@args) }; 582 wantarray ? @res : $res[-1]
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 583}
435 };
436 584
437 warn $@ if $@; 585=item $coin = coin_from_name $name
438 _exit 0; 586
439 } 587=cut
588
589our %coin_alias = (
590 "silver" => "silvercoin",
591 "silvercoin" => "silvercoin",
592 "silvercoins" => "silvercoin",
593 "gold" => "goldcoin",
594 "goldcoin" => "goldcoin",
595 "goldcoins" => "goldcoin",
596 "platinum" => "platinacoin",
597 "platinumcoin" => "platinacoin",
598 "platinumcoins" => "platinacoin",
599 "platina" => "platinacoin",
600 "platinacoin" => "platinacoin",
601 "platinacoins" => "platinacoin",
602 "royalty" => "royalty",
603 "royalties" => "royalty",
604);
605
606sub coin_from_name($) {
607 $coin_alias{$_[0]}
608 ? cf::arch::find $coin_alias{$_[0]}
609 : undef
440} 610}
441 611
442=item $value = cf::db_get $family => $key 612=item $value = cf::db_get $family => $key
443 613
444Returns a single value from the environment database. 614Returns a single value from the environment database.
446=item cf::db_put $family => $key => $value 616=item cf::db_put $family => $key => $value
447 617
448Stores the given C<$value> in the family. It can currently store binary 618Stores 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). 619data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450 620
621=item $db = cf::db_table "name"
622
623Create and/or open a new database table. The string must not be "db" and must be unique
624within each server.
625
451=cut 626=cut
627
628sub db_table($) {
629 my ($name) = @_;
630 my $db = BDB::db_create $DB_ENV;
631
632 eval {
633 $db->set_flags (BDB::CHKSUM);
634
635 utf8::encode $name;
636 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
637 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
638 cf::cleanup "db_open(db): $!" if $!;
639 };
640 cf::cleanup "db_open(db): $@" if $@;
641
642 $db
643}
452 644
453our $DB; 645our $DB;
454 646
455sub db_init { 647sub db_init {
456 unless ($DB) {
457 $DB = BDB::db_create $DB_ENV;
458
459 cf::sync_job { 648 cf::sync_job {
460 eval { 649 $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 } 650 };
470} 651}
471 652
472sub db_get($$) { 653sub db_get($$) {
473 my $key = "$_[0]/$_[1]"; 654 my $key = "$_[0]/$_[1]";
474 655
524 if (1) { 705 if (1) {
525 $md5 = 706 $md5 =
526 join "\x00", 707 join "\x00",
527 $processversion, 708 $processversion,
528 map { 709 map {
529 Coro::cede; 710 cf::cede_to_tick;
530 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 711 ($src->[$_], Digest::MD5::md5_hex $data[$_])
531 } 0.. $#$src; 712 } 0.. $#$src;
532 713
533 714
534 my $dbmd5 = db_get cache => "$id/md5"; 715 my $dbmd5 = db_get cache => "$id/md5";
572 753
573############################################################################# 754#############################################################################
574 755
575=head2 ATTACHABLE OBJECTS 756=head2 ATTACHABLE OBJECTS
576 757
577Many objects in crossfire are so-called attachable objects. That means you can 758Many objects in deliantra are so-called attachable objects. That means you can
578attach callbacks/event handlers (a collection of which is called an "attachment") 759attach callbacks/event handlers (a collection of which is called an "attachment")
579to it. All such attachable objects support the following methods. 760to it. All such attachable objects support the following methods.
580 761
581In the following description, CLASS can be any of C<global>, C<object> 762In 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 763C<player>, C<client> or C<map> (i.e. the attachable objects in
583Crossfire TRT). 764Deliantra).
584 765
585=over 4 766=over 4
586 767
587=item $attachable->attach ($attachment, key => $value...) 768=item $attachable->attach ($attachment, key => $value...)
588 769
632=item cf::CLASS::attachment $name, ... 813=item cf::CLASS::attachment $name, ...
633 814
634Register an attachment by C<$name> through which attachable objects of the 815Register an attachment by C<$name> through which attachable objects of the
635given CLASS can refer to this attachment. 816given CLASS can refer to this attachment.
636 817
637Some classes such as crossfire maps and objects can specify attachments 818Some classes such as deliantra maps and objects can specify attachments
638that are attached at load/instantiate time, thus the need for a name. 819that are attached at load/instantiate time, thus the need for a name.
639 820
640These calls expect any number of the following handler/hook descriptions: 821These calls expect any number of the following handler/hook descriptions:
641 822
642=over 4 823=over 4
840 "; 1021 ";
841 die if $@; 1022 die if $@;
842} 1023}
843 1024
844our $override; 1025our $override;
845our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1026our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846 1027
847sub override { 1028sub override {
848 $override = 1; 1029 $override = 1;
849 @invoke_results = (); 1030 @INVOKE_RESULTS = (@_);
850} 1031}
851 1032
852sub do_invoke { 1033sub do_invoke {
853 my $event = shift; 1034 my $event = shift;
854 my $callbacks = shift; 1035 my $callbacks = shift;
855 1036
856 @invoke_results = (); 1037 @INVOKE_RESULTS = ();
857 1038
858 local $override; 1039 local $override;
859 1040
860 for (@$callbacks) { 1041 for (@$callbacks) {
861 eval { &{$_->[1]} }; 1042 eval { &{$_->[1]} };
870 } 1051 }
871 1052
872 0 1053 0
873} 1054}
874 1055
875=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1056=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876 1057
877=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1058=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878 1059
879Generate an object-specific event with the given arguments. 1060Generate an object-specific event with the given arguments.
880 1061
881This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1062This 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 1063removed in future versions), and there is no public API to access override
883results (if you must, access C<@cf::invoke_results> directly). 1064results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884 1065
885=back 1066=back
886 1067
887=cut 1068=cut
888 1069
889############################################################################# 1070#############################################################################
890# object support 1071# object support
1072
1073sub _object_equal($$);
1074sub _object_equal($$) {
1075 my ($a, $b) = @_;
1076
1077 return 0 unless (ref $a) eq (ref $b);
1078
1079 if ("HASH" eq ref $a) {
1080 my @ka = keys %$a;
1081 my @kb = keys %$b;
1082
1083 return 0 if @ka != @kb;
1084
1085 for (0 .. $#ka) {
1086 return 0 unless $ka[$_] eq $kb[$_];
1087 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1088 }
1089
1090 } elsif ("ARRAY" eq ref $a) {
1091
1092 return 0 if @$a != @$b;
1093
1094 for (0 .. $#$a) {
1095 return 0 unless _object_equal $a->[$_], $b->[$_];
1096 }
1097
1098 } elsif ($a ne $b) {
1099 return 0;
1100 }
1101
1102 1
1103}
1104
1105our $SLOW_MERGES;#d#
1106sub _can_merge {
1107 my ($ob1, $ob2) = @_;
1108
1109 ++$SLOW_MERGES;#d#
1110
1111 # we do the slow way here
1112 return _object_equal $ob1, $ob2
1113}
891 1114
892sub reattach { 1115sub reattach {
893 # basically do the same as instantiate, without calling instantiate 1116 # basically do the same as instantiate, without calling instantiate
894 my ($obj) = @_; 1117 my ($obj) = @_;
895 1118
1119 # no longer needed after getting rid of delete_package?
896 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1120 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897 1121
898 my $registry = $obj->registry; 1122 my $registry = $obj->registry;
899 1123
900 @$registry = (); 1124 @$registry = ();
901 1125
916cf::attachable->attach ( 1140cf::attachable->attach (
917 prio => -1000000, 1141 prio => -1000000,
918 on_instantiate => sub { 1142 on_instantiate => sub {
919 my ($obj, $data) = @_; 1143 my ($obj, $data) = @_;
920 1144
921 $data = from_json $data; 1145 $data = decode_json $data;
922 1146
923 for (@$data) { 1147 for (@$data) {
924 my ($name, $args) = @$_; 1148 my ($name, $args) = @$_;
925 1149
926 $obj->attach ($name, %{$args || {} }); 1150 $obj->attach ($name, %{$args || {} });
942sub object_freezer_save { 1166sub object_freezer_save {
943 my ($filename, $rdata, $objs) = @_; 1167 my ($filename, $rdata, $objs) = @_;
944 1168
945 sync_job { 1169 sync_job {
946 if (length $$rdata) { 1170 if (length $$rdata) {
1171 utf8::decode (my $decname = $filename);
947 warn sprintf "saving %s (%d,%d)\n", 1172 warn sprintf "saving %s (%d,%d)\n",
948 $filename, length $$rdata, scalar @$objs; 1173 $decname, length $$rdata, scalar @$objs;
949 1174
950 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951 chmod SAVE_MODE, $fh; 1176 aio_chmod $fh, SAVE_MODE;
952 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1177 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953 aio_fsync $fh if $cf::USE_FSYNC; 1178 if ($cf::USE_FSYNC) {
1179 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;
1180 aio_fsync $fh;
1181 }
954 close $fh; 1182 aio_close $fh;
955 1183
956 if (@$objs) { 1184 if (@$objs) {
957 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1185 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1186 aio_chmod $fh, SAVE_MODE;
959 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1187 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960 aio_write $fh, 0, (length $data), $data, 0; 1188 aio_write $fh, 0, (length $data), $data, 0;
961 aio_fsync $fh if $cf::USE_FSYNC; 1189 if ($cf::USE_FSYNC) {
1190 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;
1191 aio_fsync $fh;
1192 }
962 close $fh; 1193 aio_close $fh;
963 aio_rename "$filename.pst~", "$filename.pst"; 1194 aio_rename "$filename.pst~", "$filename.pst";
964 } 1195 }
965 } else { 1196 } else {
966 aio_unlink "$filename.pst"; 1197 aio_unlink "$filename.pst";
967 } 1198 }
968 1199
969 aio_rename "$filename~", $filename; 1200 aio_rename "$filename~", $filename;
1201
1202 $filename =~ s%/[^/]+$%%;
1203 aio_pathsync $filename if $cf::USE_FSYNC;
970 } else { 1204 } else {
971 warn "FATAL: $filename~: $!\n"; 1205 warn "unable to save objects: $filename~: $!\n";
972 } 1206 }
973 } else { 1207 } else {
974 aio_unlink $filename; 1208 aio_unlink $filename;
975 aio_unlink "$filename.pst"; 1209 aio_unlink "$filename.pst";
976 } 1210 }
977 } 1211 };
978} 1212}
979 1213
980sub object_freezer_as_string { 1214sub object_freezer_as_string {
981 my ($rdata, $objs) = @_; 1215 my ($rdata, $objs) = @_;
982 1216
994 or return; 1228 or return;
995 1229
996 unless (aio_stat "$filename.pst") { 1230 unless (aio_stat "$filename.pst") {
997 (aio_load "$filename.pst", $av) >= 0 1231 (aio_load "$filename.pst", $av) >= 0
998 or return; 1232 or return;
1233
999 $av = eval { (Storable::thaw $av)->{objs} }; 1234 my $st = eval { Coro::Storable::thaw $av };
1235 $av = $st->{objs};
1000 } 1236 }
1001 1237
1238 utf8::decode (my $decname = $filename);
1002 warn sprintf "loading %s (%d)\n", 1239 warn sprintf "loading %s (%d,%d)\n",
1003 $filename, length $data, scalar @{$av || []}; 1240 $decname, length $data, scalar @{$av || []};
1241
1004 return ($data, $av); 1242 ($data, $av)
1005} 1243}
1006 1244
1007=head2 COMMAND CALLBACKS 1245=head2 COMMAND CALLBACKS
1008 1246
1009=over 4 1247=over 4
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1267 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1268}
1031 1269
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1270=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1271
1034Register a callback fro execution when the client sends an extcmd packet. 1272Register a callback for execution when the client sends an (synchronous)
1273extcmd packet. Ext commands will be processed in the order they are
1274received by the server, like other user commands. The first argument is
1275the logged-in player. Ext commands can only be processed after a player
1276has logged in successfully.
1035 1277
1036If the callback returns something, it is sent back as if reply was being 1278If the callback returns something, it is sent back as if reply was being
1037called. 1279called.
1038 1280
1281=item cf::register_exticmd $name => \&callback($ns,$packet);
1282
1283Register a callback for execution when the client sends an (asynchronous)
1284exticmd packet. Exti commands are processed by the server as soon as they
1285are received, i.e. out of order w.r.t. other commands. The first argument
1286is a client socket. Exti commands can be received anytime, even before
1287log-in.
1288
1289If the callback returns something, it is sent back as if reply was being
1290called.
1291
1039=cut 1292=cut
1040 1293
1041sub register_extcmd { 1294sub register_extcmd {
1042 my ($name, $cb) = @_; 1295 my ($name, $cb) = @_;
1043 1296
1044 $EXTCMD{$name} = $cb; 1297 $EXTCMD{$name} = $cb;
1045} 1298}
1299
1300sub register_exticmd {
1301 my ($name, $cb) = @_;
1302
1303 $EXTICMD{$name} = $cb;
1304}
1305
1306use File::Glob ();
1046 1307
1047cf::player->attach ( 1308cf::player->attach (
1048 on_command => sub { 1309 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1310 my ($pl, $name, $params) = @_;
1050 1311
1058 cf::override; 1319 cf::override;
1059 }, 1320 },
1060 on_extcmd => sub { 1321 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1322 my ($pl, $buf) = @_;
1062 1323
1063 my $msg = eval { from_json $buf }; 1324 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1325
1065 if (ref $msg) { 1326 if (ref $msg) {
1327 my ($type, $reply, @payload) =
1328 "ARRAY" eq ref $msg
1329 ? @$msg
1330 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1331
1332 my @reply;
1333
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1334 if (my $cb = $EXTCMD{$type}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1335 @reply = $cb->($pl, @payload);
1068 $pl->ext_reply ($msg->{msgid}, %reply);
1069 }
1070 } 1336 }
1337
1338 $pl->ext_reply ($reply, @reply)
1339 if $reply;
1340
1071 } else { 1341 } else {
1072 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1342 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073 } 1343 }
1074 1344
1075 cf::override; 1345 cf::override;
1076 }, 1346 },
1077); 1347);
1348
1349# "readahead" all extensions
1350sub cache_extensions {
1351 my $grp = IO::AIO::aio_group;
1352
1353 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1354 for (grep /\.ext$/, @{$_[0]}) {
1355 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1356 }
1357 };
1358
1359 $grp
1360}
1078 1361
1079sub load_extensions { 1362sub load_extensions {
1080 cf::sync_job { 1363 cf::sync_job {
1081 my %todo; 1364 my %todo;
1082 1365
1102 1385
1103 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1386 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1387 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105 1388
1106 $ext{source} = 1389 $ext{source} =
1107 "package $pkg; use strict; use utf8;\n" 1390 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108 . "#line 1 \"$path\"\n{\n" 1391 . "#line 1 \"$path\"\n{\n"
1109 . $source 1392 . $source
1110 . "\n};\n1"; 1393 . "\n};\n1";
1111 1394
1112 $todo{$base} = \%ext; 1395 $todo{$base} = \%ext;
1128 my $msg = $@ ? "$v->{path}: $@\n" 1411 my $msg = $@ ? "$v->{path}: $@\n"
1129 : "$v->{base}: extension inactive.\n"; 1412 : "$v->{base}: extension inactive.\n";
1130 1413
1131 if (exists $v->{meta}{mandatory}) { 1414 if (exists $v->{meta}{mandatory}) {
1132 warn $msg; 1415 warn $msg;
1133 warn "mandatory extension failed to load, exiting.\n"; 1416 cf::cleanup "mandatory extension failed to load, exiting.";
1134 exit 1;
1135 } 1417 }
1136 1418
1137 warn $msg; 1419 warn $msg;
1138 } 1420 }
1139 1421
1153 1435
1154=back 1436=back
1155 1437
1156=head2 CORE EXTENSIONS 1438=head2 CORE EXTENSIONS
1157 1439
1158Functions and methods that extend core crossfire objects. 1440Functions and methods that extend core deliantra objects.
1159 1441
1160=cut 1442=cut
1161 1443
1162package cf::player; 1444package cf::player;
1163 1445
1164use Coro::AIO; 1446use Coro::AIO;
1165 1447
1166=head3 cf::player 1448=head3 cf::player
1167 1449
1168=over 4 1450=over 4
1451
1452=item cf::player::num_playing
1453
1454Returns the official number of playing players, as per the Crossfire metaserver rules.
1455
1456=cut
1457
1458sub num_playing {
1459 scalar grep
1460 $_->ob->map
1461 && !$_->hidden
1462 && !$_->ob->flag (cf::FLAG_WIZ),
1463 cf::player::list
1464}
1169 1465
1170=item cf::player::find $login 1466=item cf::player::find $login
1171 1467
1172Returns the given player object, loading it if necessary (might block). 1468Returns the given player object, loading it if necessary (might block).
1173 1469
1192 1488
1193sub exists($) { 1489sub exists($) {
1194 my ($login) = @_; 1490 my ($login) = @_;
1195 1491
1196 $cf::PLAYER{$login} 1492 $cf::PLAYER{$login}
1197 or cf::sync_job { !aio_stat path $login } 1493 or !aio_stat path $login
1198} 1494}
1199 1495
1200sub find($) { 1496sub find($) {
1201 return $cf::PLAYER{$_[0]} || do { 1497 return $cf::PLAYER{$_[0]} || do {
1202 my $login = $_[0]; 1498 my $login = $_[0];
1209 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1505 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1506 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1507 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212 aio_unlink +(playerdir $login) . "/$login.pl"; 1508 aio_unlink +(playerdir $login) . "/$login.pl";
1213 1509
1214 my $pl = load_pl path $login 1510 my $f = new_from_file cf::object::thawer path $login
1215 or return; 1511 or return;
1512
1513 my $pl = cf::player::load_pl $f
1514 or return;
1515
1516 local $cf::PLAYER_LOADING{$login} = $pl;
1517 $f->resolve_delayed_derefs;
1216 $cf::PLAYER{$login} = $pl 1518 $cf::PLAYER{$login} = $pl
1217 } 1519 }
1218 } 1520 }
1219} 1521}
1220 1522
1229 return if $pl->{deny_save}; 1531 return if $pl->{deny_save};
1230 1532
1231 aio_mkdir playerdir $pl, 0770; 1533 aio_mkdir playerdir $pl, 0770;
1232 $pl->{last_save} = $cf::RUNTIME; 1534 $pl->{last_save} = $cf::RUNTIME;
1233 1535
1536 cf::get_slot 0.01;
1537
1234 $pl->save_pl ($path); 1538 $pl->save_pl ($path);
1235 Coro::cede; 1539 cf::cede_to_tick;
1236} 1540}
1237 1541
1238sub new($) { 1542sub new($) {
1239 my ($login) = @_; 1543 my ($login) = @_;
1240 1544
1246 $cf::PLAYER{$login} = $self; 1550 $cf::PLAYER{$login} = $self;
1247 1551
1248 $self 1552 $self
1249} 1553}
1250 1554
1555=item $player->send_msg ($channel, $msg, $color, [extra...])
1556
1557=cut
1558
1559sub send_msg {
1560 my $ns = shift->ns
1561 or return;
1562 $ns->send_msg (@_);
1563}
1564
1251=item $pl->quit_character 1565=item $pl->quit_character
1252 1566
1253Nukes the player without looking back. If logged in, the connection will 1567Nukes the player without looking back. If logged in, the connection will
1254be destroyed. May block for a long time. 1568be destroyed. May block for a long time.
1255 1569
1259 my ($pl) = @_; 1573 my ($pl) = @_;
1260 1574
1261 my $name = $pl->ob->name; 1575 my $name = $pl->ob->name;
1262 1576
1263 $pl->{deny_save} = 1; 1577 $pl->{deny_save} = 1;
1264 $pl->password ("*"); # this should lock out the player until we nuked the dir 1578 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1265 1579
1266 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1580 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267 $pl->deactivate; 1581 $pl->deactivate;
1582 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1583 $pl->ob->check_score;
1268 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1584 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1269 $pl->ns->destroy if $pl->ns; 1585 $pl->ns->destroy if $pl->ns;
1270 1586
1271 my $path = playerdir $pl; 1587 my $path = playerdir $pl;
1272 my $temp = "$path~$cf::RUNTIME~deleting~"; 1588 my $temp = "$path~$cf::RUNTIME~deleting~";
1308 or return []; 1624 or return [];
1309 1625
1310 my @logins; 1626 my @logins;
1311 1627
1312 for my $login (@$dirs) { 1628 for my $login (@$dirs) {
1629 my $path = path $login;
1630
1631 # a .pst is a dead give-away for a valid player
1632 # if no pst file found, open and chekc for blocked users
1633 if (aio_stat "$path.pst") {
1313 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1634 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314 aio_read $fh, 0, 512, my $buf, 0 or next; 1635 aio_read $fh, 0, 512, my $buf, 0 or next;
1315 $buf !~ /^password -------------$/m or next; # official not-valid tag 1636 $buf !~ /^password -------------$/m or next; # official not-valid tag
1637 }
1316 1638
1317 utf8::decode $login; 1639 utf8::decode $login;
1318 push @logins, $login; 1640 push @logins, $login;
1319 } 1641 }
1320 1642
1347 } 1669 }
1348 1670
1349 \@paths 1671 \@paths
1350} 1672}
1351 1673
1674=item $protocol_xml = $player->expand_cfpod ($cfpod)
1675
1676Expand deliantra pod fragments into protocol xml.
1677
1352=item $player->ext_reply ($msgid, %msg) 1678=item $player->ext_reply ($msgid, @msg)
1353 1679
1354Sends an ext reply to the player. 1680Sends an ext reply to the player.
1355 1681
1356=cut 1682=cut
1357 1683
1358sub ext_reply($$%) { 1684sub ext_reply($$@) {
1359 my ($self, $id, %msg) = @_; 1685 my ($self, $id, @msg) = @_;
1360 1686
1361 $msg{msgid} = $id; 1687 $self->ns->ext_reply ($id, @msg)
1362
1363 $self->send ("ext " . cf::to_json \%msg);
1364} 1688}
1365 1689
1366=item $player->ext_event ($type, %msg) 1690=item $player->ext_msg ($type, @msg)
1367 1691
1368Sends an ext event to the client. 1692Sends an ext event to the client.
1369 1693
1370=cut 1694=cut
1371 1695
1372sub ext_event($$%) { 1696sub ext_msg($$@) {
1373 my ($self, $type, %msg) = @_; 1697 my ($self, $type, @msg) = @_;
1374 1698
1375 $self->ns->ext_event ($type, %msg); 1699 $self->ns->ext_msg ($type, @msg);
1376} 1700}
1377 1701
1378=head3 cf::region 1702=head3 cf::region
1379 1703
1380=over 4 1704=over 4
1393 my ($path) = @_; 1717 my ($path) = @_;
1394 1718
1395 my ($match, $specificity); 1719 my ($match, $specificity);
1396 1720
1397 for my $region (list) { 1721 for my $region (list) {
1398 if ($region->match && $path =~ $region->match) { 1722 if ($region->{match} && $path =~ $region->{match}) {
1399 ($match, $specificity) = ($region, $region->specificity) 1723 ($match, $specificity) = ($region, $region->specificity)
1400 if $region->specificity > $specificity; 1724 if $region->specificity > $specificity;
1401 } 1725 }
1402 } 1726 }
1403 1727
1424our $MAX_RESET = 3600; 1748our $MAX_RESET = 3600;
1425our $DEFAULT_RESET = 3000; 1749our $DEFAULT_RESET = 3000;
1426 1750
1427sub generate_random_map { 1751sub generate_random_map {
1428 my ($self, $rmp) = @_; 1752 my ($self, $rmp) = @_;
1753
1754 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1755
1429 # mit "rum" bekleckern, nicht 1756 # mit "rum" bekleckern, nicht
1430 $self->_create_random_map ( 1757 $self->_create_random_map (
1431 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1758 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1759 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1760 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1523 $self->init; # pass $1 etc. 1850 $self->init; # pass $1 etc.
1524 return $self; 1851 return $self;
1525 } 1852 }
1526 } 1853 }
1527 1854
1528 Carp::carp "unable to resolve path '$path' (base '$base')."; 1855 Carp::cluck "unable to resolve path '$path' (base '$base').";
1529 () 1856 ()
1530} 1857}
1531 1858
1532sub init { 1859sub init {
1533 my ($self) = @_; 1860 my ($self) = @_;
1555 1882
1556# the temporary/swap location 1883# the temporary/swap location
1557sub save_path { 1884sub save_path {
1558 my ($self) = @_; 1885 my ($self) = @_;
1559 1886
1560 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1887 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561 "$TMPDIR/$path.map" 1888 "$TMPDIR/$path.map"
1562} 1889}
1563 1890
1564# the unique path, undef == no special unique path 1891# the unique path, undef == no special unique path
1565sub uniq_path { 1892sub uniq_path {
1566 my ($self) = @_; 1893 my ($self) = @_;
1567 1894
1568 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1895 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569 "$UNIQUEDIR/$path" 1896 "$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} 1897}
1580 1898
1581sub decay_objects { 1899sub decay_objects {
1582 my ($self) = @_; 1900 my ($self) = @_;
1583 1901
1596 1914
1597sub load_header_from($) { 1915sub load_header_from($) {
1598 my ($self, $path) = @_; 1916 my ($self, $path) = @_;
1599 1917
1600 utf8::encode $path; 1918 utf8::encode $path;
1601 #aio_open $path, O_RDONLY, 0 1919 my $f = new_from_file cf::object::thawer $path
1602 # or return;
1603
1604 $self->_load_header ($path)
1605 or return; 1920 or return;
1921
1922 $self->_load_header ($f)
1923 or return;
1924
1925 local $MAP_LOADING{$self->{path}} = $self;
1926 $f->resolve_delayed_derefs;
1606 1927
1607 $self->{load_path} = $path; 1928 $self->{load_path} = $path;
1608 1929
1609 1 1930 1
1610} 1931}
1664sub find { 1985sub find {
1665 my ($path, $origin) = @_; 1986 my ($path, $origin) = @_;
1666 1987
1667 $path = normalise $path, $origin && $origin->path; 1988 $path = normalise $path, $origin && $origin->path;
1668 1989
1990 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669 cf::lock_wait "map_find:$path"; 1991 my $guard2 = cf::lock_acquire "map_find:$path";
1670 1992
1671 $cf::MAP{$path} || do { 1993 $cf::MAP{$path} || do {
1672 my $guard = cf::lock_acquire "map_find:$path";
1673 my $map = new_from_path cf::map $path 1994 my $map = new_from_path cf::map $path
1674 or return; 1995 or return;
1675 1996
1676 $map->{last_save} = $cf::RUNTIME; 1997 $map->{last_save} = $cf::RUNTIME;
1677 1998
1679 or return; 2000 or return;
1680 2001
1681 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2002 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682 # doing this can freeze the server in a sync job, obviously 2003 # doing this can freeze the server in a sync job, obviously
1683 #$cf::WAIT_FOR_TICK->wait; 2004 #$cf::WAIT_FOR_TICK->wait;
2005 undef $guard2;
2006 undef $guard1;
1684 $map->reset; 2007 $map->reset;
1685 undef $guard;
1686 return find $path; 2008 return find $path;
1687 } 2009 }
1688 2010
1689 $cf::MAP{$path} = $map 2011 $cf::MAP{$path} = $map
1690 } 2012 }
1699 local $self->{deny_reset} = 1; # loading can take a long time 2021 local $self->{deny_reset} = 1; # loading can take a long time
1700 2022
1701 my $path = $self->{path}; 2023 my $path = $self->{path};
1702 2024
1703 { 2025 {
1704 my $guard = cf::lock_acquire "map_load:$path"; 2026 my $guard = cf::lock_acquire "map_data:$path";
1705 2027
2028 return unless $self->valid;
1706 return if $self->in_memory != cf::MAP_SWAPPED; 2029 return unless $self->in_memory == cf::MAP_SWAPPED;
1707 2030
1708 $self->in_memory (cf::MAP_LOADING); 2031 $self->in_memory (cf::MAP_LOADING);
1709 2032
1710 $self->alloc; 2033 $self->alloc;
1711 2034
1712 $self->pre_load; 2035 $self->pre_load;
1713 Coro::cede; 2036 cf::cede_to_tick;
1714 2037
2038 my $f = new_from_file cf::object::thawer $self->{load_path};
2039 $f->skip_block;
1715 $self->_load_objects ($self->{load_path}, 1) 2040 $self->_load_objects ($f)
1716 or return; 2041 or return;
1717 2042
1718 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2043 $self->post_load_original
1719 if delete $self->{load_original}; 2044 if delete $self->{load_original};
1720 2045
1721 if (my $uniq = $self->uniq_path) { 2046 if (my $uniq = $self->uniq_path) {
1722 utf8::encode $uniq; 2047 utf8::encode $uniq;
1723 if (aio_open $uniq, O_RDONLY, 0) { 2048 unless (aio_stat $uniq) {
2049 if (my $f = new_from_file cf::object::thawer $uniq) {
1724 $self->clear_unique_items; 2050 $self->clear_unique_items;
1725 $self->_load_objects ($uniq, 0); 2051 $self->_load_objects ($f);
2052 $f->resolve_delayed_derefs;
2053 }
1726 } 2054 }
1727 } 2055 }
1728 2056
1729 Coro::cede; 2057 $f->resolve_delayed_derefs;
2058
2059 cf::cede_to_tick;
1730 # now do the right thing for maps 2060 # now do the right thing for maps
1731 $self->link_multipart_objects; 2061 $self->link_multipart_objects;
1732 $self->difficulty ($self->estimate_difficulty) 2062 $self->difficulty ($self->estimate_difficulty)
1733 unless $self->difficulty; 2063 unless $self->difficulty;
1734 Coro::cede; 2064 cf::cede_to_tick;
1735 2065
1736 unless ($self->{deny_activate}) { 2066 unless ($self->{deny_activate}) {
1737 $self->decay_objects; 2067 $self->decay_objects;
1738 $self->fix_auto_apply; 2068 $self->fix_auto_apply;
1739 $self->update_buttons; 2069 $self->update_buttons;
1740 Coro::cede; 2070 cf::cede_to_tick;
1741 $self->set_darkness_map;
1742 Coro::cede;
1743 $self->activate; 2071 $self->activate;
1744 } 2072 }
1745 2073
2074 $self->{last_save} = $cf::RUNTIME;
2075 $self->last_access ($cf::RUNTIME);
2076
1746 $self->in_memory (cf::MAP_IN_MEMORY); 2077 $self->in_memory (cf::MAP_ACTIVE);
1747 } 2078 }
1748 2079
1749 $self->post_load; 2080 $self->post_load;
1750} 2081}
1751 2082
1760 2091
1761 $self 2092 $self
1762} 2093}
1763 2094
1764# find and load all maps in the 3x3 area around a map 2095# find and load all maps in the 3x3 area around a map
1765sub load_diag { 2096sub load_neighbours {
1766 my ($map) = @_; 2097 my ($map) = @_;
1767 2098
1768 my @diag; # diagonal neighbours 2099 my @neigh; # diagonal neighbours
1769 2100
1770 for (0 .. 3) { 2101 for (0 .. 3) {
1771 my $neigh = $map->tile_path ($_) 2102 my $neigh = $map->tile_path ($_)
1772 or next; 2103 or next;
1773 $neigh = find $neigh, $map 2104 $neigh = find $neigh, $map
1774 or next; 2105 or next;
1775 $neigh->load; 2106 $neigh->load;
1776 2107
2108 push @neigh,
1777 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2109 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2110 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1779 } 2111 }
1780 2112
1781 for (@diag) { 2113 for (grep defined $_->[0], @neigh) {
2114 my ($path, $origin) = @$_;
1782 my $neigh = find @$_ 2115 my $neigh = find $path, $origin
1783 or next; 2116 or next;
1784 $neigh->load; 2117 $neigh->load;
1785 } 2118 }
1786} 2119}
1787 2120
1792} 2125}
1793 2126
1794sub do_load_sync { 2127sub do_load_sync {
1795 my ($map) = @_; 2128 my ($map) = @_;
1796 2129
2130 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2131 if $Coro::current == $Coro::main;
2132
1797 cf::sync_job { $map->load }; 2133 cf::sync_job { $map->load };
1798} 2134}
1799 2135
1800our %MAP_PREFETCH; 2136our %MAP_PREFETCH;
1801our $MAP_PREFETCHER = undef; 2137our $MAP_PREFETCHER = undef;
1802 2138
1803sub find_async { 2139sub find_async {
1804 my ($path, $origin) = @_; 2140 my ($path, $origin, $load) = @_;
1805 2141
1806 $path = normalise $path, $origin && $origin->{path}; 2142 $path = normalise $path, $origin && $origin->{path};
1807 2143
1808 if (my $map = $cf::MAP{$path}) { 2144 if (my $map = $cf::MAP{$path}) {
1809 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2145 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810 } 2146 }
1811 2147
1812 undef $MAP_PREFETCH{$path}; 2148 $MAP_PREFETCH{$path} |= $load;
2149
1813 $MAP_PREFETCHER ||= cf::async { 2150 $MAP_PREFETCHER ||= cf::async {
2151 $Coro::current->{desc} = "map prefetcher";
2152
1814 while (%MAP_PREFETCH) { 2153 while (%MAP_PREFETCH) {
1815 for my $path (keys %MAP_PREFETCH) { 2154 while (my ($k, $v) = each %MAP_PREFETCH) {
1816 my $map = find $path 2155 if (my $map = find $k) {
1817 or next;
1818 $map->load; 2156 $map->load if $v;
2157 }
1819 2158
1820 delete $MAP_PREFETCH{$path}; 2159 delete $MAP_PREFETCH{$k};
1821 } 2160 }
1822 } 2161 }
1823 undef $MAP_PREFETCHER; 2162 undef $MAP_PREFETCHER;
1824 }; 2163 };
1825 $MAP_PREFETCHER->prio (6); 2164 $MAP_PREFETCHER->prio (6);
1828} 2167}
1829 2168
1830sub save { 2169sub save {
1831 my ($self) = @_; 2170 my ($self) = @_;
1832 2171
1833 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1834 2173
1835 $self->{last_save} = $cf::RUNTIME; 2174 $self->{last_save} = $cf::RUNTIME;
1836 2175
1837 return unless $self->dirty; 2176 return unless $self->dirty;
1838 2177
1844 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1845 2184
1846 local $self->{last_access} = $self->last_access;#d# 2185 local $self->{last_access} = $self->last_access;#d#
1847 2186
1848 cf::async { 2187 cf::async {
2188 $Coro::current->{desc} = "map player save";
1849 $_->contr->save for $self->players; 2189 $_->contr->save for $self->players;
1850 }; 2190 };
2191
2192 cf::get_slot 0.02;
1851 2193
1852 if ($uniq) { 2194 if ($uniq) {
1853 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2195 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2196 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1855 } else { 2197 } else {
1861 my ($self) = @_; 2203 my ($self) = @_;
1862 2204
1863 # save first because save cedes 2205 # save first because save cedes
1864 $self->save; 2206 $self->save;
1865 2207
1866 my $lock = cf::lock_acquire "map_data:" . $self->path; 2208 my $lock = cf::lock_acquire "map_data:$self->{path}";
1867 2209
1868 return if $self->players; 2210 return if $self->players;
1869 return if $self->in_memory != cf::MAP_IN_MEMORY; 2211 return if $self->in_memory != cf::MAP_ACTIVE;
1870 return if $self->{deny_save}; 2212 return if $self->{deny_save};
1871 2213
2214 $self->in_memory (cf::MAP_SWAPPED);
2215
2216 $self->deactivate;
2217 $_->clear_links_to ($self) for values %cf::MAP;
1872 $self->clear; 2218 $self->clear;
1873 $self->in_memory (cf::MAP_SWAPPED);
1874} 2219}
1875 2220
1876sub reset_at { 2221sub reset_at {
1877 my ($self) = @_; 2222 my ($self) = @_;
1878 2223
1896 2241
1897 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1898 2243
1899 return if $self->players; 2244 return if $self->players;
1900 2245
1901 warn "resetting map ", $self->path; 2246 warn "resetting map ", $self->path, "\n";
1902 2247
1903 $self->in_memory (cf::MAP_SWAPPED); 2248 $self->in_memory (cf::MAP_SWAPPED);
1904 2249
1905 # need to save uniques path 2250 # need to save uniques path
1906 unless ($self->{deny_save}) { 2251 unless ($self->{deny_save}) {
1910 if $uniq; 2255 if $uniq;
1911 } 2256 }
1912 2257
1913 delete $cf::MAP{$self->path}; 2258 delete $cf::MAP{$self->path};
1914 2259
2260 $self->deactivate;
2261 $_->clear_links_to ($self) for values %cf::MAP;
1915 $self->clear; 2262 $self->clear;
1916
1917 $_->clear_links_to ($self) for values %cf::MAP;
1918 2263
1919 $self->unlink_save; 2264 $self->unlink_save;
1920 $self->destroy; 2265 $self->destroy;
1921} 2266}
1922 2267
1923my $nuke_counter = "aaaa"; 2268my $nuke_counter = "aaaa";
1924 2269
1925sub nuke { 2270sub nuke {
1926 my ($self) = @_; 2271 my ($self) = @_;
1927 2272
2273 {
2274 my $lock = cf::lock_acquire "map_data:$self->{path}";
2275
1928 delete $cf::MAP{$self->path}; 2276 delete $cf::MAP{$self->path};
1929 2277
1930 $self->unlink_save; 2278 $self->unlink_save;
1931 2279
1932 bless $self, "cf::map"; 2280 bless $self, "cf::map";
1933 delete $self->{deny_reset}; 2281 delete $self->{deny_reset};
1934 $self->{deny_save} = 1; 2282 $self->{deny_save} = 1;
1935 $self->reset_timeout (1); 2283 $self->reset_timeout (1);
1936 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2284 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937 2285
1938 $cf::MAP{$self->path} = $self; 2286 $cf::MAP{$self->path} = $self;
2287 }
1939 2288
1940 $self->reset; # polite request, might not happen 2289 $self->reset; # polite request, might not happen
1941} 2290}
1942 2291
1943=item $maps = cf::map::tmp_maps 2292=item $maps = cf::map::tmp_maps
1985 2334
1986sub unique_maps() { 2335sub unique_maps() {
1987 [ 2336 [
1988 map { 2337 map {
1989 utf8::decode $_; 2338 utf8::decode $_;
1990 /\.map$/ 2339 s/\.map$//; # TODO future compatibility hack
2340 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2341 ? ()
1991 ? normalise $_ 2342 : normalise $_
1992 : ()
1993 } @{ aio_readdir $UNIQUEDIR or [] } 2343 } @{ aio_readdir $UNIQUEDIR or [] }
1994 ] 2344 ]
1995} 2345}
1996 2346
1997package cf; 2347=item cf::map::static_maps
2348
2349Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2350file in the shared directory excluding F</styles> and F</editor>). May
2351block.
2352
2353=cut
2354
2355sub static_maps() {
2356 my @dirs = "";
2357 my @maps;
2358
2359 while (@dirs) {
2360 my $dir = shift @dirs;
2361
2362 next if $dir eq "/styles" || $dir eq "/editor";
2363
2364 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2365 or return;
2366
2367 for (@$files) {
2368 s/\.map$// or next;
2369 utf8::decode $_;
2370 push @maps, "$dir/$_";
2371 }
2372
2373 push @dirs, map "$dir/$_", @$dirs;
2374 }
2375
2376 \@maps
2377}
1998 2378
1999=back 2379=back
2000 2380
2001=head3 cf::object 2381=head3 cf::object
2002 2382
2006 2386
2007=over 4 2387=over 4
2008 2388
2009=item $ob->inv_recursive 2389=item $ob->inv_recursive
2010 2390
2011Returns the inventory of the object _and_ their inventories, recursively. 2391Returns the inventory of the object I<and> their inventories, recursively,
2392but I<not> the object itself.
2012 2393
2013=cut 2394=cut
2014 2395
2015sub inv_recursive_; 2396sub inv_recursive_;
2016sub inv_recursive_ { 2397sub inv_recursive_ {
2019 2400
2020sub inv_recursive { 2401sub inv_recursive {
2021 inv_recursive_ inv $_[0] 2402 inv_recursive_ inv $_[0]
2022} 2403}
2023 2404
2405=item $ref = $ob->ref
2406
2407Creates and returns a persistent reference to an object that can be stored as a string.
2408
2409=item $ob = cf::object::deref ($refstring)
2410
2411returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2412even if the object actually exists. May block.
2413
2414=cut
2415
2416sub deref {
2417 my ($ref) = @_;
2418
2419 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2420 my ($uuid, $name) = ($1, $2);
2421 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2422 or return;
2423 $pl->ob->uuid eq $uuid
2424 or return;
2425
2426 $pl->ob
2427 } else {
2428 warn "$ref: cannot resolve object reference\n";
2429 undef
2430 }
2431}
2432
2024package cf; 2433package cf;
2025 2434
2026=back 2435=back
2027 2436
2028=head3 cf::object::player 2437=head3 cf::object::player
2034Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2443Sends 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 2444can be C<undef>. Does the right thing when the player is currently in a
2036dialogue with the given NPC character. 2445dialogue with the given NPC character.
2037 2446
2038=cut 2447=cut
2448
2449our $SAY_CHANNEL = {
2450 id => "say",
2451 title => "Map",
2452 reply => "say ",
2453 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2454};
2455
2456our $CHAT_CHANNEL = {
2457 id => "chat",
2458 title => "Chat",
2459 reply => "chat ",
2460 tooltip => "Player chat and shouts, global to the server.",
2461};
2039 2462
2040# rough implementation of a future "reply" method that works 2463# rough implementation of a future "reply" method that works
2041# with dialog boxes. 2464# with dialog boxes.
2042#TODO: the first argument must go, split into a $npc->reply_to ( method 2465#TODO: the first argument must go, split into a $npc->reply_to ( method
2043sub cf::object::player::reply($$$;$) { 2466sub cf::object::player::reply($$$;$) {
2045 2468
2046 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2469 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047 2470
2048 if ($self->{record_replies}) { 2471 if ($self->{record_replies}) {
2049 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2472 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2473
2050 } else { 2474 } else {
2475 my $pl = $self->contr;
2476
2477 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2478 my $dialog = $pl->{npc_dialog};
2479 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2480
2481 } else {
2051 $msg = $npc->name . " says: $msg" if $npc; 2482 $msg = $npc->name . " says: $msg" if $npc;
2052 $self->message ($msg, $flags); 2483 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2484 }
2053 } 2485 }
2486}
2487
2488=item $object->send_msg ($channel, $msg, $color, [extra...])
2489
2490=cut
2491
2492sub cf::object::send_msg {
2493 my $pl = shift->contr
2494 or return;
2495 $pl->send_msg (@_);
2054} 2496}
2055 2497
2056=item $player_object->may ("access") 2498=item $player_object->may ("access")
2057 2499
2058Returns wether the given player is authorized to access resource "access" 2500Returns wether the given player is authorized to access resource "access"
2071 2513
2072=item $player_object->enter_link 2514=item $player_object->enter_link
2073 2515
2074Freezes the player and moves him/her to a special map (C<{link}>). 2516Freezes the player and moves him/her to a special map (C<{link}>).
2075 2517
2076The player should be reasonably safe there for short amounts of time. You 2518The player should be reasonably safe there for short amounts of time (e.g.
2077I<MUST> call C<leave_link> as soon as possible, though. 2519for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2520though, as the palyer cannot control the character while it is on the link
2521map.
2078 2522
2079Will never block. 2523Will never block.
2080 2524
2081=item $player_object->leave_link ($map, $x, $y) 2525=item $player_object->leave_link ($map, $x, $y)
2082 2526
2134 ($x, $y) = (-1, -1) 2578 ($x, $y) = (-1, -1)
2135 unless (defined $x) && (defined $y); 2579 unless (defined $x) && (defined $y);
2136 2580
2137 # use -1 or undef as default coordinates, not 0, 0 2581 # use -1 or undef as default coordinates, not 0, 0
2138 ($x, $y) = ($map->enter_x, $map->enter_y) 2582 ($x, $y) = ($map->enter_x, $map->enter_y)
2139 if $x <=0 && $y <= 0; 2583 if $x <= 0 && $y <= 0;
2140 2584
2141 $map->load; 2585 $map->load;
2142 $map->load_diag; 2586 $map->load_neighbours;
2143 2587
2144 return unless $self->contr->active; 2588 return unless $self->contr->active;
2145 $self->activate_recursive;
2146 2589
2147 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2590 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148 $self->enter_map ($map, $x, $y); 2591 $self->enter_map ($map, $x, $y);
2149}
2150 2592
2593 # only activate afterwards, to support waiting in hooks
2594 $self->activate_recursive;
2595}
2596
2151=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2597=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152 2598
2153Moves the player to the given map-path and coordinates by first freezing 2599Moves the player to the given map-path and coordinates by first freezing
2154her, loading and preparing them map, calling the provided $check callback 2600her, loading and preparing them map, calling the provided $check callback
2155that has to return the map if sucecssful, and then unfreezes the player on 2601that has to return the map if sucecssful, and then unfreezes the player on
2156the new (success) or old (failed) map position. 2602the new (success) or old (failed) map position. In either case, $done will
2603be called at the end of this process.
2604
2605Note that $check will be called with a potentially non-loaded map, so if
2606it needs a loaded map it has to call C<< ->load >>.
2157 2607
2158=cut 2608=cut
2159 2609
2160our $GOTOGEN; 2610our $GOTOGEN;
2161 2611
2162sub cf::object::player::goto { 2612sub cf::object::player::goto {
2163 my ($self, $path, $x, $y, $check) = @_; 2613 my ($self, $path, $x, $y, $check, $done) = @_;
2164 2614
2165 # do generation counting so two concurrent goto's will be executed in-order 2615 # do generation counting so two concurrent goto's will be executed in-order
2166 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2616 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167 2617
2168 $self->enter_link; 2618 $self->enter_link;
2169 2619
2170 (async { 2620 (async {
2621 $Coro::current->{desc} = "player::goto $path $x $y";
2622
2623 # *tag paths override both path and x|y
2624 if ($path =~ /^\*(.*)$/) {
2625 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2626 my $ob = $obs[rand @obs];
2627
2628 # see if we actually can go there
2629 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2630 $ob = $obs[rand @obs];
2631 } else {
2632 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2633 }
2634 # else put us there anyways for now #d#
2635
2636 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2637 } else {
2638 ($path, $x, $y) = (undef, undef, undef);
2639 }
2640 }
2641
2171 my $map = eval { 2642 my $map = eval {
2172 my $map = cf::map::find $path; 2643 my $map = defined $path ? cf::map::find $path : undef;
2173 2644
2174 if ($map) { 2645 if ($map) {
2175 $map = $map->customise_for ($self); 2646 $map = $map->customise_for ($self);
2176 $map = $check->($map) if $check && $map; 2647 $map = $check->($map) if $check && $map;
2177 } else { 2648 } else {
2178 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2649 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179 } 2650 }
2180 2651
2181 $map 2652 $map
2182 }; 2653 };
2183 2654
2188 2659
2189 if ($gen == $self->{_goto_generation}) { 2660 if ($gen == $self->{_goto_generation}) {
2190 delete $self->{_goto_generation}; 2661 delete $self->{_goto_generation};
2191 $self->leave_link ($map, $x, $y); 2662 $self->leave_link ($map, $x, $y);
2192 } 2663 }
2664
2665 $done->() if $done;
2193 })->prio (1); 2666 })->prio (1);
2194} 2667}
2195 2668
2196=item $player_object->enter_exit ($exit_object) 2669=item $player_object->enter_exit ($exit_object)
2197 2670
2217} 2690}
2218 2691
2219sub prepare_random_map { 2692sub prepare_random_map {
2220 my ($exit) = @_; 2693 my ($exit) = @_;
2221 2694
2222 my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224 # all this does is basically replace the /! path by 2695 # all this does is basically replace the /! path by
2225 # a new random map path (?random/...) with a seed 2696 # a new random map path (?random/...) with a seed
2226 # that depends on the exit object 2697 # that depends on the exit object
2227 2698
2228 my $rmp = parse_random_map_params $exit->msg; 2699 my $rmp = parse_random_map_params $exit->msg;
2230 if ($exit->map) { 2701 if ($exit->map) {
2231 $rmp->{region} = $exit->region->name; 2702 $rmp->{region} = $exit->region->name;
2232 $rmp->{origin_map} = $exit->map->path; 2703 $rmp->{origin_map} = $exit->map->path;
2233 $rmp->{origin_x} = $exit->x; 2704 $rmp->{origin_x} = $exit->x;
2234 $rmp->{origin_y} = $exit->y; 2705 $rmp->{origin_y} = $exit->y;
2706
2707 $exit->map->touch;
2235 } 2708 }
2236 2709
2237 $rmp->{random_seed} ||= $exit->random_seed; 2710 $rmp->{random_seed} ||= $exit->random_seed;
2238 2711
2239 my $data = cf::to_json $rmp; 2712 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240 my $md5 = Digest::MD5::md5_hex $data; 2713 my $md5 = Digest::MD5::md5_hex $data;
2241 my $meta = "$RANDOMDIR/$md5.meta"; 2714 my $meta = "$RANDOMDIR/$md5.meta";
2242 2715
2243 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2716 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244 aio_write $fh, 0, (length $data), $data, 0; 2717 aio_write $fh, 0, (length $data), $data, 0;
2245 undef $fh; 2718 undef $fh;
2246 aio_rename "$meta~", $meta; 2719 aio_rename "$meta~", $meta;
2247 2720
2721 my $slaying = "?random/$md5";
2722
2723 if ($exit->valid) {
2248 $exit->slaying ("?random/$md5"); 2724 $exit->slaying ("?random/$md5");
2249 $exit->msg (undef); 2725 $exit->msg (undef);
2726 }
2250 } 2727 }
2251} 2728}
2252 2729
2253sub cf::object::player::enter_exit { 2730sub cf::object::player::enter_exit {
2254 my ($self, $exit) = @_; 2731 my ($self, $exit) = @_;
2255 2732
2256 return unless $self->type == cf::PLAYER; 2733 return unless $self->type == cf::PLAYER;
2257 2734
2258 if ($exit->slaying eq "/!") {
2259 #TODO: this should de-fi-ni-te-ly not be a sync-job
2260 # the problem is that $exit might not survive long enough
2261 # so it needs to be done right now, right here
2262 cf::sync_job { prepare_random_map $exit };
2263 }
2264
2265 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266 my $hp = $exit->stats->hp;
2267 my $sp = $exit->stats->sp;
2268
2269 $self->enter_link; 2735 $self->enter_link;
2270 2736
2271 (async { 2737 (async {
2272 $self->deactivate_recursive; # just to be sure 2738 $Coro::current->{desc} = "enter_exit";
2739
2273 unless (eval { 2740 unless (eval {
2741 $self->deactivate_recursive; # just to be sure
2742
2743 # random map handling
2744 {
2745 my $guard = cf::lock_acquire "exit_prepare:$exit";
2746
2747 prepare_random_map $exit
2748 if $exit->slaying eq "/!";
2749 }
2750
2751 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2752 my $x = $exit->stats->hp;
2753 my $y = $exit->stats->sp;
2754
2274 $self->goto ($slaying, $hp, $sp); 2755 $self->goto ($map, $x, $y);
2275 2756
2757 # if exit is damned, update players death & WoR home-position
2758 $self->contr->savebed ($map, $x, $y)
2759 if $exit->flag (cf::FLAG_DAMNED);
2760
2276 1; 2761 1
2277 }) { 2762 }) {
2278 $self->message ("Something went wrong deep within the crossfire server. " 2763 $self->message ("Something went wrong deep within the deliantra server. "
2279 . "I'll try to bring you back to the map you were before. " 2764 . "I'll try to bring you back to the map you were before. "
2280 . "Please report this to the dungeon master!", 2765 . "Please report this to the dungeon master!",
2281 cf::NDI_UNIQUE | cf::NDI_RED); 2766 cf::NDI_UNIQUE | cf::NDI_RED);
2282 2767
2283 warn "ERROR in enter_exit: $@"; 2768 warn "ERROR in enter_exit: $@";
2302 2787
2303 utf8::encode $text; 2788 utf8::encode $text;
2304 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2789 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305} 2790}
2306 2791
2792=item $client->send_big_packet ($pkt)
2793
2794Like C<send_packet>, but tries to compress large packets, and fragments
2795them as required.
2796
2797=cut
2798
2799our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2800
2801sub cf::client::send_big_packet {
2802 my ($self, $pkt) = @_;
2803
2804 # try lzf for large packets
2805 $pkt = "lzf " . Compress::LZF::compress $pkt
2806 if 1024 <= length $pkt and $self->{can_lzf};
2807
2808 # split very large packets
2809 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2810 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2811 $pkt = "frag";
2812 }
2813
2814 $self->send_packet ($pkt);
2815}
2816
2817=item $client->send_msg ($channel, $msg, $color, [extra...])
2818
2819Send a drawinfo or msg packet to the client, formatting the msg for the
2820client if neccessary. C<$type> should be a string identifying the type of
2821the message, with C<log> being the default. If C<$color> is negative, suppress
2822the message unless the client supports the msg packet.
2823
2824=cut
2825
2826# non-persistent channels (usually the info channel)
2827our %CHANNEL = (
2828 "c/motd" => {
2829 id => "infobox",
2830 title => "MOTD",
2831 reply => undef,
2832 tooltip => "The message of the day",
2833 },
2834 "c/identify" => {
2835 id => "infobox",
2836 title => "Identify",
2837 reply => undef,
2838 tooltip => "Items recently identified",
2839 },
2840 "c/examine" => {
2841 id => "infobox",
2842 title => "Examine",
2843 reply => undef,
2844 tooltip => "Signs and other items you examined",
2845 },
2846 "c/shopinfo" => {
2847 id => "infobox",
2848 title => "Shop Info",
2849 reply => undef,
2850 tooltip => "What your bargaining skill tells you about the shop",
2851 },
2852 "c/book" => {
2853 id => "infobox",
2854 title => "Book",
2855 reply => undef,
2856 tooltip => "The contents of a note or book",
2857 },
2858 "c/lookat" => {
2859 id => "infobox",
2860 title => "Look",
2861 reply => undef,
2862 tooltip => "What you saw there",
2863 },
2864 "c/who" => {
2865 id => "infobox",
2866 title => "Players",
2867 reply => undef,
2868 tooltip => "Shows players who are currently online",
2869 },
2870 "c/body" => {
2871 id => "infobox",
2872 title => "Body Parts",
2873 reply => undef,
2874 tooltip => "Shows which body parts you posess and are available",
2875 },
2876 "c/statistics" => {
2877 id => "infobox",
2878 title => "Statistics",
2879 reply => undef,
2880 tooltip => "Shows your primary statistics",
2881 },
2882 "c/skills" => {
2883 id => "infobox",
2884 title => "Skills",
2885 reply => undef,
2886 tooltip => "Shows your experience per skill and item power",
2887 },
2888 "c/shopitems" => {
2889 id => "infobox",
2890 title => "Shop Items",
2891 reply => undef,
2892 tooltip => "Shows the items currently for sale in this shop",
2893 },
2894 "c/resistances" => {
2895 id => "infobox",
2896 title => "Resistances",
2897 reply => undef,
2898 tooltip => "Shows your resistances",
2899 },
2900 "c/pets" => {
2901 id => "infobox",
2902 title => "Pets",
2903 reply => undef,
2904 tooltip => "Shows information abotu your pets/a specific pet",
2905 },
2906 "c/perceiveself" => {
2907 id => "infobox",
2908 title => "Perceive Self",
2909 reply => undef,
2910 tooltip => "You gained detailed knowledge about yourself",
2911 },
2912 "c/uptime" => {
2913 id => "infobox",
2914 title => "Uptime",
2915 reply => undef,
2916 tooltip => "How long the server has been running since last restart",
2917 },
2918 "c/mapinfo" => {
2919 id => "infobox",
2920 title => "Map Info",
2921 reply => undef,
2922 tooltip => "Information related to the maps",
2923 },
2924 "c/party" => {
2925 id => "party",
2926 title => "Party",
2927 reply => "gsay ",
2928 tooltip => "Messages and chat related to your party",
2929 },
2930 "c/death" => {
2931 id => "death",
2932 title => "Death",
2933 reply => undef,
2934 tooltip => "Reason for and more info about your most recent death",
2935 },
2936 "c/say" => $SAY_CHANNEL,
2937 "c/chat" => $CHAT_CHANNEL,
2938);
2939
2940sub cf::client::send_msg {
2941 my ($self, $channel, $msg, $color, @extra) = @_;
2942
2943 $msg = $self->pl->expand_cfpod ($msg)
2944 unless $color & cf::NDI_VERBATIM;
2945
2946 $color &= cf::NDI_CLIENT_MASK; # just in case...
2947
2948 # check predefined channels, for the benefit of C
2949 if ($CHANNEL{$channel}) {
2950 $channel = $CHANNEL{$channel};
2951
2952 $self->ext_msg (channel_info => $channel);
2953 $channel = $channel->{id};
2954
2955 } elsif (ref $channel) {
2956 # send meta info to client, if not yet sent
2957 unless (exists $self->{channel}{$channel->{id}}) {
2958 $self->{channel}{$channel->{id}} = $channel;
2959 $self->ext_msg (channel_info => $channel);
2960 }
2961
2962 $channel = $channel->{id};
2963 }
2964
2965 return unless @extra || length $msg;
2966
2967 # default colour, mask it out
2968 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2969 if $color & cf::NDI_DEF;
2970
2971 my $pkt = "msg "
2972 . $self->{json_coder}->encode (
2973 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2974 );
2975
2976 $self->send_big_packet ($pkt);
2977}
2978
2307=item $client->ext_event ($type, %msg) 2979=item $client->ext_msg ($type, @msg)
2308 2980
2309Sends an exti event to the client. 2981Sends an ext event to the client.
2310 2982
2311=cut 2983=cut
2312 2984
2313sub cf::client::ext_event($$%) { 2985sub cf::client::ext_msg($$@) {
2314 my ($self, $type, %msg) = @_; 2986 my ($self, $type, @msg) = @_;
2315 2987
2988 if ($self->extcmd == 2) {
2989 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2990 } elsif ($self->extcmd == 1) { # TODO: remove
2316 $msg{msgtype} = "event_$type"; 2991 push @msg, msgtype => "event_$type";
2317 $self->send_packet ("ext " . cf::to_json \%msg); 2992 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2993 }
2994}
2995
2996=item $client->ext_reply ($msgid, @msg)
2997
2998Sends an ext reply to the client.
2999
3000=cut
3001
3002sub cf::client::ext_reply($$@) {
3003 my ($self, $id, @msg) = @_;
3004
3005 if ($self->extcmd == 2) {
3006 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3007 } elsif ($self->extcmd == 1) {
3008 #TODO: version 1, remove
3009 unshift @msg, msgtype => "reply", msgid => $id;
3010 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3011 }
2318} 3012}
2319 3013
2320=item $success = $client->query ($flags, "text", \&cb) 3014=item $success = $client->query ($flags, "text", \&cb)
2321 3015
2322Queues a query to the client, calling the given callback with 3016Queues a query to the client, calling the given callback with
2323the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3017the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3018C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325 3019
2326Queries can fail, so check the return code. Or don't, as queries will become 3020Queries can fail, so check the return code. Or don't, as queries will
2327reliable at some point in the future. 3021become reliable at some point in the future.
2328 3022
2329=cut 3023=cut
2330 3024
2331sub cf::client::query { 3025sub cf::client::query {
2332 my ($self, $flags, $text, $cb) = @_; 3026 my ($self, $flags, $text, $cb) = @_;
2340 utf8::encode $text; 3034 utf8::encode $text;
2341 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3035 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342 3036
2343 $self->send_packet ($self->{query_queue}[0][0]) 3037 $self->send_packet ($self->{query_queue}[0][0])
2344 if @{ $self->{query_queue} } == 1; 3038 if @{ $self->{query_queue} } == 1;
3039
3040 1
2345} 3041}
2346 3042
2347cf::client->attach ( 3043cf::client->attach (
3044 on_connect => sub {
3045 my ($ns) = @_;
3046
3047 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3048 },
2348 on_reply => sub { 3049 on_reply => sub {
2349 my ($ns, $msg) = @_; 3050 my ($ns, $msg) = @_;
2350 3051
2351 # this weird shuffling is so that direct followup queries 3052 # this weird shuffling is so that direct followup queries
2352 # get handled first 3053 # get handled first
2364 } else { 3065 } else {
2365 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3066 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366 } 3067 }
2367 } 3068 }
2368 }, 3069 },
3070 on_exticmd => sub {
3071 my ($ns, $buf) = @_;
3072
3073 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3074
3075 if (ref $msg) {
3076 my ($type, $reply, @payload) =
3077 "ARRAY" eq ref $msg
3078 ? @$msg
3079 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3080
3081 my @reply;
3082
3083 if (my $cb = $EXTICMD{$type}) {
3084 @reply = $cb->($ns, @payload);
3085 }
3086
3087 $ns->ext_reply ($reply, @reply)
3088 if $reply;
3089
3090 } else {
3091 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3092 }
3093
3094 cf::override;
3095 },
2369); 3096);
2370 3097
2371=item $client->async (\&cb) 3098=item $client->async (\&cb)
2372 3099
2373Create a new coroutine, running the specified callback. The coroutine will 3100Create a new coroutine, running the specified callback. The coroutine will
2414our $safe = new Safe "safe"; 3141our $safe = new Safe "safe";
2415our $safe_hole = new Safe::Hole; 3142our $safe_hole = new Safe::Hole;
2416 3143
2417$SIG{FPE} = 'IGNORE'; 3144$SIG{FPE} = 'IGNORE';
2418 3145
2419$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3146$safe->permit_only (Opcode::opset qw(
3147 :base_core :base_mem :base_orig :base_math
3148 grepstart grepwhile mapstart mapwhile
3149 sort time
3150));
2420 3151
2421# here we export the classes and methods available to script code 3152# here we export the classes and methods available to script code
2422 3153
2423=pod 3154=pod
2424 3155
2425The following functions and methods are available within a safe environment: 3156The following functions and methods are available within a safe environment:
2426 3157
2427 cf::object contr pay_amount pay_player map 3158 cf::object
3159 contr pay_amount pay_player map x y force_find force_add destroy
3160 insert remove name archname title slaying race decrease split
3161 value
3162
2428 cf::object::player player 3163 cf::object::player
2429 cf::player peaceful 3164 player
2430 cf::map trigger 3165
3166 cf::player
3167 peaceful
3168
3169 cf::map
3170 trigger
2431 3171
2432=cut 3172=cut
2433 3173
2434for ( 3174for (
2435 ["cf::object" => qw(contr pay_amount pay_player map)], 3175 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3176 insert remove inv nrof name archname title slaying race
3177 decrease split destroy change_exp value msg lore send_msg)],
2436 ["cf::object::player" => qw(player)], 3178 ["cf::object::player" => qw(player)],
2437 ["cf::player" => qw(peaceful)], 3179 ["cf::player" => qw(peaceful send_msg)],
2438 ["cf::map" => qw(trigger)], 3180 ["cf::map" => qw(trigger)],
2439) { 3181) {
2440 no strict 'refs'; 3182 no strict 'refs';
2441 my ($pkg, @funs) = @$_; 3183 my ($pkg, @funs) = @$_;
2442 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3184 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2459 my ($code, %vars) = @_; 3201 my ($code, %vars) = @_;
2460 3202
2461 my $qcode = $code; 3203 my $qcode = $code;
2462 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3204 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2463 $qcode =~ s/\n/\\n/g; 3205 $qcode =~ s/\n/\\n/g;
3206
3207 %vars = (_dummy => 0) unless %vars;
2464 3208
2465 local $_; 3209 local $_;
2466 local @safe::cf::_safe_eval_args = values %vars; 3210 local @safe::cf::_safe_eval_args = values %vars;
2467 3211
2468 my $eval = 3212 my $eval =
2516# the server's init and main functions 3260# the server's init and main functions
2517 3261
2518sub load_facedata($) { 3262sub load_facedata($) {
2519 my ($path) = @_; 3263 my ($path) = @_;
2520 3264
3265 # HACK to clear player env face cache, we need some signal framework
3266 # for this (global event?)
3267 %ext::player_env::MUSIC_FACE_CACHE = ();
3268
3269 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3270
2521 warn "loading facedata from $path\n"; 3271 warn "loading facedata from $path\n";
2522 3272
2523 my $facedata; 3273 my $facedata;
2524 0 < aio_load $path, $facedata 3274 0 < aio_load $path, $facedata
2525 or die "$path: $!"; 3275 or die "$path: $!";
2527 $facedata = Coro::Storable::thaw $facedata; 3277 $facedata = Coro::Storable::thaw $facedata;
2528 3278
2529 $facedata->{version} == 2 3279 $facedata->{version} == 2
2530 or cf::cleanup "$path: version mismatch, cannot proceed."; 3280 or cf::cleanup "$path: version mismatch, cannot proceed.";
2531 3281
3282 # patch in the exptable
3283 $facedata->{resource}{"res/exp_table"} = {
3284 type => FT_RSRC,
3285 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3286 };
3287 cf::cede_to_tick;
3288
2532 { 3289 {
2533 my $faces = $facedata->{faceinfo}; 3290 my $faces = $facedata->{faceinfo};
2534 3291
2535 while (my ($face, $info) = each %$faces) { 3292 while (my ($face, $info) = each %$faces) {
2536 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3293 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3294
2537 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3295 cf::face::set_visibility $idx, $info->{visibility};
3296 cf::face::set_magicmap $idx, $info->{magicmap};
2538 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3297 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3298 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540 Coro::cede; 3299
3300 cf::cede_to_tick;
2541 } 3301 }
2542 3302
2543 while (my ($face, $info) = each %$faces) { 3303 while (my ($face, $info) = each %$faces) {
2544 next unless $info->{smooth}; 3304 next unless $info->{smooth};
3305
2545 my $idx = cf::face::find $face 3306 my $idx = cf::face::find $face
2546 or next; 3307 or next;
3308
2547 if (my $smooth = cf::face::find $info->{smooth}) { 3309 if (my $smooth = cf::face::find $info->{smooth}) {
3310 cf::face::set_smooth $idx, $smooth;
2548 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3311 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549 } else { 3312 } else {
2550 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3313 warn "smooth face '$info->{smooth}' not found for face '$face'";
2551 } 3314 }
2552 Coro::cede; 3315
3316 cf::cede_to_tick;
2553 } 3317 }
2554 } 3318 }
2555 3319
2556 { 3320 {
2557 my $anims = $facedata->{animinfo}; 3321 my $anims = $facedata->{animinfo};
2558 3322
2559 while (my ($anim, $info) = each %$anims) { 3323 while (my ($anim, $info) = each %$anims) {
2560 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3324 cf::anim::set $anim, $info->{frames}, $info->{facings};
2561 Coro::cede; 3325 cf::cede_to_tick;
2562 } 3326 }
2563 3327
2564 cf::anim::invalidate_all; # d'oh 3328 cf::anim::invalidate_all; # d'oh
2565 } 3329 }
2566 3330
3331 {
3332 # TODO: for gcfclient pleasure, we should give resources
3333 # that gcfclient doesn't grok a >10000 face index.
3334 my $res = $facedata->{resource};
3335
3336 while (my ($name, $info) = each %$res) {
3337 if (defined $info->{type}) {
3338 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3339 my $data;
3340
3341 if ($info->{type} & 1) {
3342 # prepend meta info
3343
3344 my $meta = $enc->encode ({
3345 name => $name,
3346 %{ $info->{meta} || {} },
3347 });
3348
3349 $data = pack "(w/a*)*", $meta, $info->{data};
3350 } else {
3351 $data = $info->{data};
3352 }
3353
3354 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3355 cf::face::set_type $idx, $info->{type};
3356 } else {
3357 $RESOURCE{$name} = $info;
3358 }
3359
3360 cf::cede_to_tick;
3361 }
3362 }
3363
3364 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3365
2567 1 3366 1
2568} 3367}
2569 3368
3369cf::global->attach (on_resource_update => sub {
3370 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3371 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3372
3373 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3374 my $sound = $soundconf->{compat}[$_]
3375 or next;
3376
3377 my $face = cf::face::find "sound/$sound->[1]";
3378 cf::sound::set $sound->[0] => $face;
3379 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3380 }
3381
3382 while (my ($k, $v) = each %{$soundconf->{event}}) {
3383 my $face = cf::face::find "sound/$v";
3384 cf::sound::set $k => $face;
3385 }
3386 }
3387});
3388
3389register_exticmd fx_want => sub {
3390 my ($ns, $want) = @_;
3391
3392 while (my ($k, $v) = each %$want) {
3393 $ns->fx_want ($k, $v);
3394 }
3395};
3396
3397sub load_resource_file($) {
3398 my $guard = lock_acquire "load_resource_file";
3399
3400 my $status = load_resource_file_ $_[0];
3401 get_slot 0.1, 100;
3402 cf::arch::commit_load;
3403
3404 $status
3405}
3406
2570sub reload_regions { 3407sub reload_regions {
3408 # HACK to clear player env face cache, we need some signal framework
3409 # for this (global event?)
3410 %ext::player_env::MUSIC_FACE_CACHE = ();
3411
2571 load_resource_file "$MAPDIR/regions" 3412 load_resource_file "$MAPDIR/regions"
2572 or die "unable to load regions file\n"; 3413 or die "unable to load regions file\n";
3414
3415 for (cf::region::list) {
3416 $_->{match} = qr/$_->{match}/
3417 if exists $_->{match};
3418 }
2573} 3419}
2574 3420
2575sub reload_facedata { 3421sub reload_facedata {
2576 load_facedata "$DATADIR/facedata" 3422 load_facedata "$DATADIR/facedata"
2577 or die "unable to load facedata\n"; 3423 or die "unable to load facedata\n";
2588} 3434}
2589 3435
2590sub reload_resources { 3436sub reload_resources {
2591 warn "reloading resource files...\n"; 3437 warn "reloading resource files...\n";
2592 3438
3439 reload_facedata;
3440 reload_archetypes;
2593 reload_regions; 3441 reload_regions;
2594 reload_facedata;
2595 #reload_archetypes;#d#
2596 reload_archetypes;
2597 reload_treasures; 3442 reload_treasures;
2598 3443
2599 warn "finished reloading resource files\n"; 3444 warn "finished reloading resource files\n";
2600} 3445}
2601 3446
2602sub init { 3447sub reload_config {
2603 reload_resources; 3448 warn "reloading config file...\n";
2604}
2605 3449
2606sub cfg_load {
2607 open my $fh, "<:utf8", "$CONFDIR/config" 3450 open my $fh, "<:utf8", "$CONFDIR/config"
2608 or return; 3451 or return;
2609 3452
2610 local $/; 3453 local $/;
2611 *CFG = YAML::Syck::Load <$fh>; 3454 *CFG = YAML::XS::Load scalar <$fh>;
2612 3455
2613 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3456 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614 3457
2615 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3458 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3459 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2620 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3463 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2621 and die "WARNING: m(un)lockall failed: $!\n"; 3464 and die "WARNING: m(un)lockall failed: $!\n";
2622 }; 3465 };
2623 warn $@ if $@; 3466 warn $@ if $@;
2624 } 3467 }
3468
3469 warn "finished reloading resource files\n";
3470}
3471
3472sub pidfile() {
3473 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3474 or die "$PIDFILE: $!";
3475 flock $fh, &Fcntl::LOCK_EX
3476 or die "$PIDFILE: flock: $!";
3477 $fh
3478}
3479
3480# make sure only one server instance is running at any one time
3481sub atomic {
3482 my $fh = pidfile;
3483
3484 my $pid = <$fh>;
3485 kill 9, $pid if $pid > 0;
3486
3487 seek $fh, 0, 0;
3488 print $fh $$;
3489}
3490
3491sub main_loop {
3492 warn "EV::loop starting\n";
3493 if (1) {
3494 EV::loop;
3495 }
3496 warn "EV::loop returned\n";
3497 goto &main_loop unless $REALLY_UNLOOP;
2625} 3498}
2626 3499
2627sub main { 3500sub main {
3501 cf::init_globals; # initialise logging
3502
3503 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3504 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3505 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3506 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3507
3508 cf::init_experience;
3509 cf::init_anim;
3510 cf::init_attackmess;
3511 cf::init_dynamic;
3512
3513 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3514
2628 # we must not ever block the main coroutine 3515 # we must not ever block the main coroutine
2629 local $Coro::idle = sub { 3516 local $Coro::idle = sub {
2630 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3517 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631 (async { 3518 (async {
2632 Event::one_event; 3519 $Coro::current->{desc} = "IDLE BUG HANDLER";
3520 EV::loop EV::LOOP_ONESHOT;
2633 })->prio (Coro::PRIO_MAX); 3521 })->prio (Coro::PRIO_MAX);
2634 }; 3522 };
2635 3523
2636 cfg_load; 3524 evthread_start IO::AIO::poll_fileno;
3525
3526 cf::sync_job {
3527 cf::load_settings;
3528 cf::load_materials;
3529
3530 reload_resources;
3531 reload_config;
2637 db_init; 3532 db_init;
3533
3534 cf::init_uuid;
3535 cf::init_signals;
3536 cf::init_commands;
3537 cf::init_skills;
3538
3539 cf::init_beforeplay;
3540
3541 atomic;
3542
2638 load_extensions; 3543 load_extensions;
2639 3544
2640 $TICK_WATCHER->start; 3545 utime time, time, $RUNTIMEFILE;
2641 Event::loop; 3546
3547 # no (long-running) fork's whatsoever before this point(!)
3548 use POSIX ();
3549 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3550
3551 (pop @POST_INIT)->(0) while @POST_INIT;
3552 };
3553
3554 main_loop;
2642} 3555}
2643 3556
2644############################################################################# 3557#############################################################################
2645# initialisation and cleanup 3558# initialisation and cleanup
2646 3559
2647# install some emergency cleanup handlers 3560# install some emergency cleanup handlers
2648BEGIN { 3561BEGIN {
3562 our %SIGWATCHER = ();
2649 for my $signal (qw(INT HUP TERM)) { 3563 for my $signal (qw(INT HUP TERM)) {
2650 Event->signal ( 3564 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2651 reentrant => 0,
2652 data => WF_AUTOCANCEL,
2653 signal => $signal,
2654 prio => 0,
2655 cb => sub {
2656 cf::cleanup "SIG$signal"; 3565 cf::cleanup "SIG$signal";
2657 },
2658 ); 3566 };
2659 } 3567 }
2660} 3568}
2661 3569
2662sub write_runtime { 3570sub write_runtime_sync {
2663 my $runtime = "$LOCALDIR/runtime";
2664
2665 # first touch the runtime file to show we are still running: 3571 # first touch the runtime file to show we are still running:
2666 # the fsync below can take a very very long time. 3572 # the fsync below can take a very very long time.
2667 3573
2668 IO::AIO::aio_utime $runtime, undef, undef; 3574 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669 3575
2670 my $guard = cf::lock_acquire "write_runtime"; 3576 my $guard = cf::lock_acquire "write_runtime";
2671 3577
2672 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3578 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2673 or return; 3579 or return;
2674 3580
2675 my $value = $cf::RUNTIME + 90 + 10; 3581 my $value = $cf::RUNTIME + 90 + 10;
2676 # 10 is the runtime save interval, for a monotonic clock 3582 # 10 is the runtime save interval, for a monotonic clock
2677 # 60 allows for the watchdog to kill the server. 3583 # 60 allows for the watchdog to kill the server.
2687 aio_utime $fh, undef, undef; 3593 aio_utime $fh, undef, undef;
2688 3594
2689 close $fh 3595 close $fh
2690 or return; 3596 or return;
2691 3597
2692 aio_rename "$runtime~", $runtime 3598 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693 and return; 3599 and return;
2694 3600
2695 warn "runtime file written.\n"; 3601 warn "runtime file written.\n";
2696 3602
2697 1 3603 1
3604}
3605
3606our $uuid_lock;
3607our $uuid_skip;
3608
3609sub write_uuid_sync($) {
3610 $uuid_skip ||= $_[0];
3611
3612 return if $uuid_lock;
3613 local $uuid_lock = 1;
3614
3615 my $uuid = "$LOCALDIR/uuid";
3616
3617 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3618 or return;
3619
3620 my $value = uuid_seq uuid_cur;
3621
3622 unless ($value) {
3623 warn "cowardly refusing to write zero uuid value!\n";
3624 return;
3625 }
3626
3627 my $value = uuid_str $value + $uuid_skip;
3628 $uuid_skip = 0;
3629
3630 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3631 and return;
3632
3633 # always fsync - this file is important
3634 aio_fsync $fh
3635 and return;
3636
3637 close $fh
3638 or return;
3639
3640 aio_rename "$uuid~", $uuid
3641 and return;
3642
3643 warn "uuid file written ($value).\n";
3644
3645 1
3646
3647}
3648
3649sub write_uuid($$) {
3650 my ($skip, $sync) = @_;
3651
3652 $sync ? write_uuid_sync $skip
3653 : async { write_uuid_sync $skip };
2698} 3654}
2699 3655
2700sub emergency_save() { 3656sub emergency_save() {
2701 my $freeze_guard = cf::freeze_mainloop; 3657 my $freeze_guard = cf::freeze_mainloop;
2702 3658
2703 warn "enter emergency perl save\n"; 3659 warn "emergency_perl_save: enter\n";
2704 3660
2705 cf::sync_job { 3661 cf::sync_job {
3662 # this is a trade-off: we want to be very quick here, so
3663 # save all maps without fsync, and later call a global sync
3664 # (which in turn might be very very slow)
3665 local $USE_FSYNC = 0;
3666
2706 # use a peculiar iteration method to avoid tripping on perl 3667 # use a peculiar iteration method to avoid tripping on perl
2707 # refcount bugs in for. also avoids problems with players 3668 # refcount bugs in for. also avoids problems with players
2708 # and maps saved/destroyed asynchronously. 3669 # and maps saved/destroyed asynchronously.
2709 warn "begin emergency player save\n"; 3670 warn "emergency_perl_save: begin player save\n";
2710 for my $login (keys %cf::PLAYER) { 3671 for my $login (keys %cf::PLAYER) {
2711 my $pl = $cf::PLAYER{$login} or next; 3672 my $pl = $cf::PLAYER{$login} or next;
2712 $pl->valid or next; 3673 $pl->valid or next;
3674 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713 $pl->save; 3675 $pl->save;
2714 } 3676 }
2715 warn "end emergency player save\n"; 3677 warn "emergency_perl_save: end player save\n";
2716 3678
2717 warn "begin emergency map save\n"; 3679 warn "emergency_perl_save: begin map save\n";
2718 for my $path (keys %cf::MAP) { 3680 for my $path (keys %cf::MAP) {
2719 my $map = $cf::MAP{$path} or next; 3681 my $map = $cf::MAP{$path} or next;
2720 $map->valid or next; 3682 $map->valid or next;
2721 $map->save; 3683 $map->save;
2722 } 3684 }
2723 warn "end emergency map save\n"; 3685 warn "emergency_perl_save: end map save\n";
2724 3686
2725 warn "begin emergency database checkpoint\n"; 3687 warn "emergency_perl_save: begin database checkpoint\n";
2726 BDB::db_env_txn_checkpoint $DB_ENV; 3688 BDB::db_env_txn_checkpoint $DB_ENV;
2727 warn "end emergency database checkpoint\n"; 3689 warn "emergency_perl_save: end database checkpoint\n";
3690
3691 warn "emergency_perl_save: begin write uuid\n";
3692 write_uuid_sync 1;
3693 warn "emergency_perl_save: end write uuid\n";
2728 }; 3694 };
2729 3695
3696 warn "emergency_perl_save: starting sync()\n";
3697 IO::AIO::aio_sync sub {
3698 warn "emergency_perl_save: finished sync()\n";
3699 };
3700
2730 warn "leave emergency perl save\n"; 3701 warn "emergency_perl_save: leave\n";
2731} 3702}
2732 3703
2733sub post_cleanup { 3704sub post_cleanup {
2734 my ($make_core) = @_; 3705 my ($make_core) = @_;
2735 3706
2736 warn Carp::longmess "post_cleanup backtrace" 3707 warn Carp::longmess "post_cleanup backtrace"
2737 if $make_core; 3708 if $make_core;
3709
3710 my $fh = pidfile;
3711 unlink $PIDFILE if <$fh> == $$;
3712}
3713
3714# a safer delete_package, copied from Symbol
3715sub clear_package($) {
3716 my $pkg = shift;
3717
3718 # expand to full symbol table name if needed
3719 unless ($pkg =~ /^main::.*::$/) {
3720 $pkg = "main$pkg" if $pkg =~ /^::/;
3721 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3722 $pkg .= '::' unless $pkg =~ /::$/;
3723 }
3724
3725 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3726 my $stem_symtab = *{$stem}{HASH};
3727
3728 defined $stem_symtab and exists $stem_symtab->{$leaf}
3729 or return;
3730
3731 # clear all symbols
3732 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3733 for my $name (keys %$leaf_symtab) {
3734 _gv_clear *{"$pkg$name"};
3735# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3736 }
3737 warn "cleared package $pkg\n";#d#
2738} 3738}
2739 3739
2740sub do_reload_perl() { 3740sub do_reload_perl() {
2741 # can/must only be called in main 3741 # can/must only be called in main
2742 if ($Coro::current != $Coro::main) { 3742 if ($Coro::current != $Coro::main) {
2743 warn "can only reload from main coroutine"; 3743 warn "can only reload from main coroutine";
2744 return; 3744 return;
2745 } 3745 }
2746 3746
3747 return if $RELOAD++;
3748
3749 my $t1 = EV::time;
3750
3751 while ($RELOAD) {
2747 warn "reloading..."; 3752 warn "reloading...";
2748 3753
2749 warn "entering sync_job"; 3754 warn "entering sync_job";
2750 3755
2751 cf::sync_job { 3756 cf::sync_job {
2752 cf::write_runtime; # external watchdog should not bark 3757 cf::write_runtime_sync; # external watchdog should not bark
2753 cf::emergency_save; 3758 cf::emergency_save;
2754 cf::write_runtime; # external watchdog should not bark 3759 cf::write_runtime_sync; # external watchdog should not bark
2755 3760
2756 warn "syncing database to disk"; 3761 warn "syncing database to disk";
2757 BDB::db_env_txn_checkpoint $DB_ENV; 3762 BDB::db_env_txn_checkpoint $DB_ENV;
2758 3763
2759 # if anything goes wrong in here, we should simply crash as we already saved 3764 # if anything goes wrong in here, we should simply crash as we already saved
2760 3765
2761 warn "cancelling all WF_AUTOCANCEL watchers";
2762 for (Event::all_watchers) {
2763 $_->cancel if $_->data & WF_AUTOCANCEL;
2764 }
2765
2766 warn "flushing outstanding aio requests"; 3766 warn "flushing outstanding aio requests";
2767 for (;;) {
2768 BDB::flush;
2769 IO::AIO::flush;
2770 Coro::cede;
2771 last unless IO::AIO::nreqs || BDB::nreqs; 3767 while (IO::AIO::nreqs || BDB::nreqs) {
2772 warn "iterate..."; 3768 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773 }
2774
2775 ++$RELOAD;
2776
2777 warn "cancelling all extension coros";
2778 $_->cancel for values %EXT_CORO;
2779 %EXT_CORO = ();
2780
2781 warn "removing commands";
2782 %COMMAND = ();
2783
2784 warn "removing ext commands";
2785 %EXTCMD = ();
2786
2787 warn "unloading/nuking all extensions";
2788 for my $pkg (@EXTS) {
2789 warn "... unloading $pkg";
2790
2791 if (my $cb = $pkg->can ("unload")) {
2792 eval {
2793 $cb->($pkg);
2794 1
2795 } or warn "$pkg unloaded, but with errors: $@";
2796 } 3769 }
2797 3770
2798 warn "... nuking $pkg"; 3771 warn "cancelling all extension coros";
2799 Symbol::delete_package $pkg; 3772 $_->cancel for values %EXT_CORO;
2800 } 3773 %EXT_CORO = ();
2801 3774
2802 warn "unloading all perl modules loaded from $LIBDIR"; 3775 warn "removing commands";
2803 while (my ($k, $v) = each %INC) { 3776 %COMMAND = ();
2804 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805 3777
3778 warn "removing ext/exti commands";
3779 %EXTCMD = ();
3780 %EXTICMD = ();
3781
3782 warn "unloading/nuking all extensions";
3783 for my $pkg (@EXTS) {
2806 warn "... unloading $k"; 3784 warn "... unloading $pkg";
2807 delete $INC{$k};
2808 3785
2809 $k =~ s/\.pm$//;
2810 $k =~ s/\//::/g;
2811
2812 if (my $cb = $k->can ("unload_module")) { 3786 if (my $cb = $pkg->can ("unload")) {
3787 eval {
2813 $cb->(); 3788 $cb->($pkg);
3789 1
3790 } or warn "$pkg unloaded, but with errors: $@";
3791 }
3792
3793 warn "... clearing $pkg";
3794 clear_package $pkg;
2814 } 3795 }
2815 3796
2816 Symbol::delete_package $k; 3797 warn "unloading all perl modules loaded from $LIBDIR";
3798 while (my ($k, $v) = each %INC) {
3799 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3800
3801 warn "... unloading $k";
3802 delete $INC{$k};
3803
3804 $k =~ s/\.pm$//;
3805 $k =~ s/\//::/g;
3806
3807 if (my $cb = $k->can ("unload_module")) {
3808 $cb->();
3809 }
3810
3811 clear_package $k;
2817 } 3812 }
2818 3813
2819 warn "getting rid of safe::, as good as possible"; 3814 warn "getting rid of safe::, as good as possible";
2820 Symbol::delete_package "safe::$_" 3815 clear_package "safe::$_"
2821 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3816 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822 3817
2823 warn "unloading cf.pm \"a bit\""; 3818 warn "unloading cf.pm \"a bit\"";
2824 delete $INC{"cf.pm"}; 3819 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"}; 3820 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826 3821
2827 # don't, removes xs symbols, too, 3822 # don't, removes xs symbols, too,
2828 # and global variables created in xs 3823 # and global variables created in xs
2829 #Symbol::delete_package __PACKAGE__; 3824 #clear_package __PACKAGE__;
2830 3825
2831 warn "unload completed, starting to reload now"; 3826 warn "unload completed, starting to reload now";
2832 3827
2833 warn "reloading cf.pm"; 3828 warn "reloading cf.pm";
2834 require cf; 3829 require cf;
2835 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3830 cf::_connect_to_perl_1;
2836 3831
2837 warn "loading config and database again"; 3832 warn "loading config and database again";
2838 cf::cfg_load; 3833 cf::reload_config;
2839 3834
2840 warn "loading extensions"; 3835 warn "loading extensions";
2841 cf::load_extensions; 3836 cf::load_extensions;
2842 3837
3838 if ($REATTACH_ON_RELOAD) {
2843 warn "reattaching attachments to objects/players"; 3839 warn "reattaching attachments to objects/players";
2844 _global_reattach; # objects, sockets 3840 _global_reattach; # objects, sockets
2845 warn "reattaching attachments to maps"; 3841 warn "reattaching attachments to maps";
2846 reattach $_ for values %MAP; 3842 reattach $_ for values %MAP;
2847 warn "reattaching attachments to players"; 3843 warn "reattaching attachments to players";
2848 reattach $_ for values %PLAYER; 3844 reattach $_ for values %PLAYER;
3845 }
2849 3846
3847 warn "running post_init jobs";
3848 (pop @POST_INIT)->(1) while @POST_INIT;
3849
2850 warn "leaving sync_job"; 3850 warn "leaving sync_job";
2851 3851
2852 1 3852 1
2853 } or do { 3853 } or do {
2854 warn $@; 3854 warn $@;
2855 warn "error while reloading, exiting."; 3855 cf::cleanup "error while reloading, exiting.";
2856 exit 1;
2857 }; 3856 };
2858 3857
2859 warn "reloaded"; 3858 warn "reloaded";
3859 --$RELOAD;
3860 }
3861
3862 $t1 = EV::time - $t1;
3863 warn "reload completed in ${t1}s\n";
2860}; 3864};
2861 3865
2862our $RELOAD_WATCHER; # used only during reload 3866our $RELOAD_WATCHER; # used only during reload
2863 3867
2864sub reload_perl() { 3868sub reload_perl() {
2865 # doing reload synchronously and two reloads happen back-to-back, 3869 # doing reload synchronously and two reloads happen back-to-back,
2866 # coro crashes during coro_state_free->destroy here. 3870 # coro crashes during coro_state_free->destroy here.
2867 3871
2868 $RELOAD_WATCHER ||= Event->timer ( 3872 $RELOAD_WATCHER ||= cf::async {
2869 reentrant => 0, 3873 Coro::AIO::aio_wait cache_extensions;
2870 after => 0, 3874
2871 data => WF_AUTOCANCEL, 3875 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872 cb => sub {
2873 do_reload_perl; 3876 do_reload_perl;
2874 undef $RELOAD_WATCHER; 3877 undef $RELOAD_WATCHER;
2875 }, 3878 };
2876 ); 3879 };
2877} 3880}
2878 3881
2879register_command "reload" => sub { 3882register_command "reload" => sub {
2880 my ($who, $arg) = @_; 3883 my ($who, $arg) = @_;
2881 3884
2882 if ($who->flag (FLAG_WIZ)) { 3885 if ($who->flag (FLAG_WIZ)) {
2883 $who->message ("reloading server."); 3886 $who->message ("reloading server.");
3887 async {
3888 $Coro::current->{desc} = "perl_reload";
2884 async { reload_perl }; 3889 reload_perl;
3890 };
2885 } 3891 }
2886}; 3892};
2887 3893
2888unshift @INC, $LIBDIR; 3894unshift @INC, $LIBDIR;
2889 3895
2891 3897
2892our @WAIT_FOR_TICK; 3898our @WAIT_FOR_TICK;
2893our @WAIT_FOR_TICK_BEGIN; 3899our @WAIT_FOR_TICK_BEGIN;
2894 3900
2895sub wait_for_tick { 3901sub wait_for_tick {
2896 return unless $TICK_WATCHER->is_active;
2897 return if $Coro::current == $Coro::main; 3902 return if tick_inhibit || $Coro::current == $Coro::main;
2898 3903
2899 my $signal = new Coro::Signal; 3904 my $signal = new Coro::Signal;
2900 push @WAIT_FOR_TICK, $signal; 3905 push @WAIT_FOR_TICK, $signal;
2901 $signal->wait; 3906 $signal->wait;
2902} 3907}
2903 3908
2904sub wait_for_tick_begin { 3909sub wait_for_tick_begin {
2905 return unless $TICK_WATCHER->is_active;
2906 return if $Coro::current == $Coro::main; 3910 return if tick_inhibit || $Coro::current == $Coro::main;
2907 3911
2908 my $signal = new Coro::Signal; 3912 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal; 3913 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait; 3914 $signal->wait;
2911} 3915}
2912 3916
2913 my $min = 1e6;#d# 3917sub tick {
2914 my $avg = 10;
2915$TICK_WATCHER = Event->timer (
2916 reentrant => 0,
2917 parked => 1,
2918 prio => 0,
2919 at => $NEXT_TICK || $TICK,
2920 data => WF_AUTOCANCEL,
2921 cb => sub {
2922 if ($Coro::current != $Coro::main) { 3918 if ($Coro::current != $Coro::main) {
2923 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3919 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924 unless ++$bug_warning > 10; 3920 unless ++$bug_warning > 10;
2925 return; 3921 return;
2926 } 3922 }
2927 3923
2928 $NOW = $tick_start = Event::time;
2929
2930 cf::server_tick; # one server iteration 3924 cf::server_tick; # one server iteration
2931 3925
2932 0 && sync_job {#d# 3926 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933 for(1..10) { 3927 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934 my $t = Event::time; 3928 Coro::async_pool {
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3929 $Coro::current->{desc} = "runtime saver";
2936 or die; 3930 write_runtime_sync
2937 3931 or warn "ERROR: unable to write runtime file: $!";
2938 $map->width (50);
2939 $map->height (50);
2940 $map->alloc;
2941 $map->_load_objects ("/tmp/x.map", 1);
2942 my $t = Event::time - $t;
2943
2944 #next unless $t < 0.0013;#d#
2945 if ($t < $min) {
2946 $min = $t;
2947 }
2948 $avg = $avg * 0.99 + $t * 0.01;
2949 }
2950 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951 exit 0;
2952 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953 }; 3932 };
3933 }
2954 3934
2955 $RUNTIME += $TICK;
2956 $NEXT_TICK += $TICK;
2957
2958 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959 $NEXT_RUNTIME_WRITE = $NOW + 10;
2960 Coro::async_pool {
2961 write_runtime
2962 or warn "ERROR: unable to write runtime file: $!";
2963 };
2964 }
2965
2966# my $AFTER = Event::time;
2967# warn $AFTER - $NOW;#d#
2968
2969 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3935 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send; 3936 $sig->send;
2971 } 3937 }
2972 while (my $sig = shift @WAIT_FOR_TICK) { 3938 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send; 3939 $sig->send;
2974 } 3940 }
2975 3941
2976 $NOW = Event::time; 3942 $LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978 # if we are delayed by four ticks or more, skip them all
2979 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981 $TICK_WATCHER->at ($NEXT_TICK);
2982 $TICK_WATCHER->start;
2983
2984 $LOAD = ($NOW - $tick_start) / $TICK;
2985 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3943 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986 3944
2987 _post_tick; 3945 if (0) {
2988 3946 if ($NEXT_TICK) {
2989 3947 my $jitter = $TICK_START - $NEXT_TICK;
3948 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3949 warn "jitter $JITTER\n";#d#
3950 }
2990 }, 3951 }
2991); 3952}
2992 3953
2993{ 3954{
2994 BDB::max_poll_time $TICK * 0.1; 3955 # configure BDB
2995 $BDB_POLL_WATCHER = Event->io ( 3956
2996 reentrant => 0,
2997 fd => BDB::poll_fileno,
2998 poll => 'r',
2999 prio => 0,
3000 data => WF_AUTOCANCEL,
3001 cb => \&BDB::poll_cb,
3002 );
3003 BDB::min_parallel 8; 3957 BDB::min_parallel 8;
3004 3958 BDB::max_poll_reqs $TICK * 0.1;
3005 BDB::set_sync_prepare { 3959 $AnyEvent::BDB::WATCHER->priority (1);
3006 my $status;
3007 my $current = $Coro::current;
3008 (
3009 sub {
3010 $status = $!;
3011 $current->ready; undef $current;
3012 },
3013 sub {
3014 Coro::schedule while defined $current;
3015 $! = $status;
3016 },
3017 )
3018 };
3019 3960
3020 unless ($DB_ENV) { 3961 unless ($DB_ENV) {
3021 $DB_ENV = BDB::db_env_create; 3962 $DB_ENV = BDB::db_env_create;
3963 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3964 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3965 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3966 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3967 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022 3968
3023 cf::sync_job { 3969 cf::sync_job {
3024 eval { 3970 eval {
3025 BDB::db_env_open 3971 BDB::db_env_open
3026 $DB_ENV, 3972 $DB_ENV,
3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3974 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3975 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030 0666; 3976 0666;
3031 3977
3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3978 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035 $DB_ENV->set_lk_detect;
3036 }; 3979 };
3037 3980
3038 cf::cleanup "db_env_open(db): $@" if $@; 3981 cf::cleanup "db_env_open(db): $@" if $@;
3039 }; 3982 };
3040 } 3983 }
3984
3985 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3986 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3987 };
3988 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3989 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3990 };
3991 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3992 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3993 };
3041} 3994}
3042 3995
3043{ 3996{
3997 # configure IO::AIO
3998
3044 IO::AIO::min_parallel 8; 3999 IO::AIO::min_parallel 8;
3045
3046 undef $Coro::AIO::WATCHER;
3047 IO::AIO::max_poll_time $TICK * 0.1; 4000 IO::AIO::max_poll_time $TICK * 0.1;
3048 $AIO_POLL_WATCHER = Event->io ( 4001 undef $AnyEvent::AIO::WATCHER;
3049 reentrant => 0,
3050 data => WF_AUTOCANCEL,
3051 fd => IO::AIO::poll_fileno,
3052 poll => 'r',
3053 prio => 6,
3054 cb => \&IO::AIO::poll_cb,
3055 );
3056} 4002}
3057 4003
3058my $_log_backtrace; 4004my $_log_backtrace;
3059 4005
3060sub _log_backtrace { 4006sub _log_backtrace {
3063 $msg =~ s/\n//; 4009 $msg =~ s/\n//;
3064 4010
3065 # limit the # of concurrent backtraces 4011 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) { 4012 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace; 4013 ++$_log_backtrace;
4014 my $perl_bt = Carp::longmess $msg;
3068 async { 4015 async {
4016 $Coro::current->{desc} = "abt $msg";
4017
3069 my @bt = fork_call { 4018 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr; 4019 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4020 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4021 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!"; 4022 or die "addr2line: $!";
3081 } 4030 }
3082 4031
3083 @funcs 4032 @funcs
3084 }; 4033 };
3085 4034
3086 LOG llevInfo, "[ABT] $msg\n"; 4035 LOG llevInfo, "[ABT] $perl_bt\n";
4036 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087 LOG llevInfo, "[ABT] $_\n" for @bt; 4037 LOG llevInfo, "[ABT] $_\n" for @bt;
3088 --$_log_backtrace; 4038 --$_log_backtrace;
3089 }; 4039 };
3090 } else { 4040 } else {
3091 LOG llevInfo, "[ABT] $msg\n"; 4041 LOG llevInfo, "[ABT] $msg\n";
3092 LOG llevInfo, "[ABT] [suppressed]\n"; 4042 LOG llevInfo, "[ABT] [suppressed]\n";
3093 } 4043 }
3094} 4044}
3095 4045
3096# load additional modules 4046# load additional modules
3097use cf::pod; 4047require "cf/$_.pm" for @EXTRA_MODULES;
4048cf::_connect_to_perl_2;
3098 4049
3099END { cf::emergency_save } 4050END { cf::emergency_save }
3100 4051
31011 40521
3102 4053

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