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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
71 93
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 97our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
79 99
80our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 104our $DB_ENV;
82 105
83our %CFG; 106our %CFG;
84 107
85our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 109our $RUNTIME;
110our $NOW;
87 111
88our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
91 115
92# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 118
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
98 123
99binmode STDOUT; 124binmode STDOUT;
100binmode STDERR; 125binmode STDERR;
101 126
102# read virtual server time, if available 127# read virtual server time, if available
155 180
156The raw value load value from the last tick. 181The raw value load value from the last tick.
157 182
158=item %cf::CFG 183=item %cf::CFG
159 184
160Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 186from wherever your confdir points to.
162 187
163=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
164 189
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These 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 191returns 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. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
169=back 200=back
170 201
171=cut 202=cut
172 203
173BEGIN { 204BEGIN {
177 $msg .= "\n" 208 $msg .= "\n"
178 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
179 210
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 212
182 utf8::encode $msg;
183 LOG llevError, $msg; 213 LOG llevError, $msg;
184 }; 214 };
185} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
186 231
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 239
194# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 241# within the Safe compartment.
196for my $pkg (qw( 242for my $pkg (qw(
197 cf::global cf::attachable 243 cf::global cf::attachable
202)) { 248)) {
203 no strict 'refs'; 249 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 251}
206 252
207$Event::DIED = sub { 253$EV::DIED = sub {
208 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
209}; 255};
256
257#############################################################################
210 258
211=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
212 260
213=over 4 261=over 4
214 262
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 282 $d
235 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
236} 284}
237 285
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
241 287
242Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
243 289
244=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
245 291
246Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
247 300
248=item cf::lock_wait $string 301=item cf::lock_wait $string
249 302
250Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
251 304
254Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
257returned. 310returned.
258 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
259Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
261 317
262=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
263 319
264Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
265 321
266=cut 322=cut
267 323
268our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
269 326
270sub lock_wait($) { 327sub lock_wait($) {
271 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
272 334
273 # wait for lock, if any 335 # wait for lock, if any
274 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 338 Coro::schedule;
282 344
283 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
284 lock_wait $key; 346 lock_wait $key;
285 347
286 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
287 350
288 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
291 } 355 }
292} 356}
293 357
296 360
297 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
298} 362}
299 363
300sub freeze_mainloop { 364sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
302 366
303 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
304 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
305 }; 428 }
306 $TICK_WATCHER->stop; 429};
307 $guard 430
431sub get_slot($;$$) {
432 my ($time, $pri, $name) = @_;
433
434 $time = $TICK * .6 if $time > $TICK * .6;
435 my $sig = new Coro::Signal;
436
437 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439 $SLOT_QUEUE->ready;
440 $sig->wait;
308} 441}
309 442
310=item cf::async { BLOCK } 443=item cf::async { BLOCK }
311 444
312Currently the same as Coro::async_pool, meaning you cannot use 445Currently the same as Coro::async_pool, meaning you cannot use
317 450
318BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
319 452
320=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
321 454
322The design of crossfire+ requires that the main coro ($Coro::main) is 455The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 456is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
458acceptable.
325 459
326If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 462server will be frozen during this time, so the block should either finish
329fast or be very important. 463fast or be very important.
332 466
333sub sync_job(&) { 467sub sync_job(&) {
334 my ($job) = @_; 468 my ($job) = @_;
335 469
336 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 471 my $time = EV::time;
338 472
339 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
341 475
342 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 477
344 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
345 479
346 my $busy = 1; 480 my $busy = 1;
347 my @res; 481 my @res;
348 482
349 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 485 @res = eval { $job->() };
351 warn $@ if $@; 486 warn $@ if $@;
352 undef $busy; 487 undef $busy;
353 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
354 489
355 while ($busy) { 490 while ($busy) {
356 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
357 } 495 }
496 }
358 497
359 $time = Event::time - $time; 498 my $time = EV::time - $time;
360 499
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
365 501
366 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
367 } else { 503 } else {
368 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
369 505
389 $EXT_CORO{$coro+0} = $coro; 525 $EXT_CORO{$coro+0} = $coro;
390 526
391 $coro 527 $coro
392} 528}
393 529
394sub write_runtime { 530=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 531
397 # first touch the runtime file to show we are still running: 532Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 533process, returning the results. Everything must be serialisable with
534Coro::Storable. May, of course, block. Note that the executed sub may
535never block itself or use any form of event handling.
399 536
400 IO::AIO::aio_utime $runtime, undef, undef; 537=cut
401 538
402 my $guard = cf::lock_acquire "write_runtime"; 539sub fork_call(&@) {
540 my ($cb, @args) = @_;
403 541
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542 # we seemingly have to make a local copy of the whole thing,
405 or return; 543 # otherwise perl prematurely frees the stuff :/
544 # TODO: investigate and fix (likely this will be rather laborious)
406 545
407 my $value = $cf::RUNTIME + 90 + 10; 546 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 547 reset_signals;
409 # 60 allows for the watchdog to kill the server. 548 &$cb
549 }, @args;
410 550
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 551 wantarray ? @res : $res[-1]
412 and return; 552}
413 553
414 # always fsync - this file is important 554=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 555
418 # touch it again to show we are up-to-date 556=cut
419 aio_utime $fh, undef, undef;
420 557
421 close $fh 558our %coin_alias = (
422 or return; 559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
423 574
424 aio_rename "$runtime~", $runtime 575sub coin_from_name($) {
425 and return; 576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
579}
426 580
427 warn "runtime file written.\n";#d# 581=item $value = cf::db_get $family => $key
428 582
583Returns a single value from the environment database.
584
585=item cf::db_put $family => $key => $value
586
587Stores the given C<$value> in the family. It can currently store binary
588data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
589
590=item $db = cf::db_table "name"
591
592Create and/or open a new database table. The string must not be "db" and must be unique
593within each server.
594
595=cut
596
597sub db_table($) {
598 my ($name) = @_;
599 my $db = BDB::db_create $DB_ENV;
600
601 eval {
602 $db->set_flags (BDB::CHKSUM);
603
604 utf8::encode $name;
605 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
606 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
607 cf::cleanup "db_open(db): $!" if $!;
608 };
609 cf::cleanup "db_open(db): $@" if $@;
610
611 $db
612}
613
614our $DB;
615
616sub db_init {
617 cf::sync_job {
618 $DB ||= db_table "db";
619 };
620}
621
622sub db_get($$) {
623 my $key = "$_[0]/$_[1]";
624
625 cf::sync_job {
626 BDB::db_get $DB, undef, $key, my $data;
627
628 $! ? ()
629 : $data
429 1 630 }
631}
632
633sub db_put($$$) {
634 BDB::dbreq_pri 4;
635 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
636}
637
638=item cf::cache $id => [$paths...], $processversion => $process
639
640Generic caching function that returns the value of the resource $id,
641caching and regenerating as required.
642
643This function can block.
644
645=cut
646
647sub cache {
648 my ($id, $src, $processversion, $process) = @_;
649
650 my $meta =
651 join "\x00",
652 $processversion,
653 map {
654 aio_stat $_
655 and Carp::croak "$_: $!";
656
657 ($_, (stat _)[7,9])
658 } @$src;
659
660 my $dbmeta = db_get cache => "$id/meta";
661 if ($dbmeta ne $meta) {
662 # changed, we may need to process
663
664 my @data;
665 my $md5;
666
667 for (0 .. $#$src) {
668 0 <= aio_load $src->[$_], $data[$_]
669 or Carp::croak "$src->[$_]: $!";
670 }
671
672 # if processing is expensive, check
673 # checksum first
674 if (1) {
675 $md5 =
676 join "\x00",
677 $processversion,
678 map {
679 cf::cede_to_tick;
680 ($src->[$_], Digest::MD5::md5_hex $data[$_])
681 } 0.. $#$src;
682
683
684 my $dbmd5 = db_get cache => "$id/md5";
685 if ($dbmd5 eq $md5) {
686 db_put cache => "$id/meta", $meta;
687
688 return db_get cache => "$id/data";
689 }
690 }
691
692 my $t1 = Time::HiRes::time;
693 my $data = $process->(\@data);
694 my $t2 = Time::HiRes::time;
695
696 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
697
698 db_put cache => "$id/data", $data;
699 db_put cache => "$id/md5" , $md5;
700 db_put cache => "$id/meta", $meta;
701
702 return $data;
703 }
704
705 db_get cache => "$id/data"
430} 706}
431 707
432=item cf::datalog type => key => value, ... 708=item cf::datalog type => key => value, ...
433 709
434Log a datalog packet of the given type with the given key-value pairs. 710Log a datalog packet of the given type with the given key-value pairs.
452attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
454 730
455In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
456C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 733Deliantra).
458 734
459=over 4 735=over 4
460 736
461=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
462 738
664 _attach $registry, $klass, @attach; 940 _attach $registry, $klass, @attach;
665 } 941 }
666 942
667 $obj->{$name} = \%arg; 943 $obj->{$name} = \%arg;
668 } else { 944 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 945 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 946 }
671 947
672 $obj->{_attachment}{$name} = undef; 948 $obj->{_attachment}{$name} = undef;
673} 949}
674 950
714 "; 990 ";
715 die if $@; 991 die if $@;
716} 992}
717 993
718our $override; 994our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 995our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 996
721sub override { 997sub override {
722 $override = 1; 998 $override = 1;
723 @invoke_results = (); 999 @INVOKE_RESULTS = (@_);
724} 1000}
725 1001
726sub do_invoke { 1002sub do_invoke {
727 my $event = shift; 1003 my $event = shift;
728 my $callbacks = shift; 1004 my $callbacks = shift;
729 1005
730 @invoke_results = (); 1006 @INVOKE_RESULTS = ();
731 1007
732 local $override; 1008 local $override;
733 1009
734 for (@$callbacks) { 1010 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1011 eval { &{$_->[1]} };
744 } 1020 }
745 1021
746 0 1022 0
747} 1023}
748 1024
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1026
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1028
753Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
754 1030
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1031This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1032removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1033results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1034
759=back 1035=back
760 1036
761=cut 1037=cut
762 1038
763############################################################################# 1039#############################################################################
764# object support 1040# object support
1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
1075sub _can_merge {
1076 my ($ob1, $ob2) = @_;
1077
1078 ++$SLOW_MERGES;#d#
1079
1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
1082}
765 1083
766sub reattach { 1084sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1086 my ($obj) = @_;
769 1087
790cf::attachable->attach ( 1108cf::attachable->attach (
791 prio => -1000000, 1109 prio => -1000000,
792 on_instantiate => sub { 1110 on_instantiate => sub {
793 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
794 1112
795 $data = from_json $data; 1113 $data = decode_json $data;
796 1114
797 for (@$data) { 1115 for (@$data) {
798 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
799 1117
800 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1134sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
818 1136
819 sync_job { 1137 sync_job {
820 if (length $$rdata) { 1138 if (length $$rdata) {
1139 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1141 $decname, length $$rdata, scalar @$objs;
823 1142
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1143 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1144 chmod SAVE_MODE, $fh;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1145 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1146 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1147 close $fh;
829 1148
830 if (@$objs) { 1149 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1150 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1155 close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
838 } 1157 }
846 } 1165 }
847 } else { 1166 } else {
848 aio_unlink $filename; 1167 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
850 } 1169 }
851 } 1170 };
852} 1171}
853 1172
854sub object_freezer_as_string { 1173sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
856 1175
868 or return; 1187 or return;
869 1188
870 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
872 or return; 1191 or return;
1192
873 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
874 } 1195 }
875 1196
1197 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1199 $decname, length $data, scalar @{$av || []};
1200
878 return ($data, $av); 1201 ($data, $av)
879} 1202}
1203
1204=head2 COMMAND CALLBACKS
1205
1206=over 4
1207
1208=cut
880 1209
881############################################################################# 1210#############################################################################
882# command handling &c 1211# command handling &c
883 1212
884=item cf::register_command $name => \&callback($ob,$args); 1213=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1226 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1227}
899 1228
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1229=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1230
902Register a callbackf ro execution when the client sends an extcmd packet. 1231Register a callback for execution when the client sends an (synchronous)
1232extcmd packet. Ext commands will be processed in the order they are
1233received by the server, like other user commands. The first argument is
1234the logged-in player. Ext commands can only be processed after a player
1235has logged in successfully.
903 1236
904If the callback returns something, it is sent back as if reply was being 1237If the callback returns something, it is sent back as if reply was being
905called. 1238called.
906 1239
1240=item cf::register_exticmd $name => \&callback($ns,$packet);
1241
1242Register a callback for execution when the client sends an (asynchronous)
1243exticmd packet. Exti commands are processed by the server as soon as they
1244are received, i.e. out of order w.r.t. other commands. The first argument
1245is a client socket. Exti commands can be received anytime, even before
1246log-in.
1247
1248If the callback returns something, it is sent back as if reply was being
1249called.
1250
907=cut 1251=cut
908 1252
909sub register_extcmd { 1253sub register_extcmd {
910 my ($name, $cb) = @_; 1254 my ($name, $cb) = @_;
911 1255
912 $EXTCMD{$name} = $cb; 1256 $EXTCMD{$name} = $cb;
1257}
1258
1259sub register_exticmd {
1260 my ($name, $cb) = @_;
1261
1262 $EXTICMD{$name} = $cb;
913} 1263}
914 1264
915cf::player->attach ( 1265cf::player->attach (
916 on_command => sub { 1266 on_command => sub {
917 my ($pl, $name, $params) = @_; 1267 my ($pl, $name, $params) = @_;
926 cf::override; 1276 cf::override;
927 }, 1277 },
928 on_extcmd => sub { 1278 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1279 my ($pl, $buf) = @_;
930 1280
931 my $msg = eval { from_json $buf }; 1281 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1282
933 if (ref $msg) { 1283 if (ref $msg) {
1284 my ($type, $reply, @payload) =
1285 "ARRAY" eq ref $msg
1286 ? @$msg
1287 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288
1289 my @reply;
1290
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1291 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1292 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1293 }
1294
1295 $pl->ext_reply ($reply, @reply)
1296 if $reply;
1297
939 } else { 1298 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1299 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1300 }
942 1301
943 cf::override; 1302 cf::override;
944 }, 1303 },
945); 1304);
946 1305
947sub load_extension {
948 my ($path) = @_;
949
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
951 my $base = $1;
952 my $pkg = $1;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 }
975 die $@;
976 }
977
978 push @EXTS, $pkg;
979}
980
981sub load_extensions { 1306sub load_extensions {
1307 cf::sync_job {
1308 my %todo;
1309
982 for my $ext (<$LIBDIR/*.ext>) { 1310 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1311 next unless -r $path;
984 eval { 1312
985 load_extension $ext; 1313 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1314 my $base = $1;
1315 my $pkg = $1;
1316 $pkg =~ s/[^[:word:]]/_/g;
1317 $pkg = "ext::$pkg";
1318
1319 open my $fh, "<:utf8", $path
1320 or die "$path: $!";
1321
1322 my $source = do { local $/; <$fh> };
1323
1324 my %ext = (
1325 path => $path,
1326 base => $base,
1327 pkg => $pkg,
1328 );
1329
1330 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332
1333 $ext{source} =
1334 "package $pkg; use strict; use utf8;\n"
1335 . "#line 1 \"$path\"\n{\n"
1336 . $source
1337 . "\n};\n1";
1338
1339 $todo{$base} = \%ext;
1340 }
1341
1342 my %done;
1343 while (%todo) {
1344 my $progress;
1345
1346 while (my ($k, $v) = each %todo) {
1347 for (split /,\s*/, $v->{meta}{depends}) {
1348 goto skip
1349 unless exists $done{$_};
1350 }
1351
1352 warn "... loading '$k' into '$v->{pkg}'\n";
1353
1354 unless (eval $v->{source}) {
1355 my $msg = $@ ? "$v->{path}: $@\n"
1356 : "$v->{base}: extension inactive.\n";
1357
1358 if (exists $v->{meta}{mandatory}) {
1359 warn $msg;
1360 cf::cleanup "mandatory extension failed to load, exiting.";
1361 }
1362
1363 warn $msg;
1364 }
1365
1366 $done{$k} = delete $todo{$k};
1367 push @EXTS, $v->{pkg};
1368 $progress = 1;
986 1 1369 }
987 } or warn "$ext not loaded: $@"; 1370
1371 skip:
1372 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1373 unless $progress;
1374 }
988 } 1375 };
989} 1376}
990 1377
991############################################################################# 1378#############################################################################
992 1379
1380=back
1381
993=head2 CORE EXTENSIONS 1382=head2 CORE EXTENSIONS
994 1383
995Functions and methods that extend core crossfire objects. 1384Functions and methods that extend core crossfire objects.
996 1385
997=cut 1386=cut
1001use Coro::AIO; 1390use Coro::AIO;
1002 1391
1003=head3 cf::player 1392=head3 cf::player
1004 1393
1005=over 4 1394=over 4
1395
1396=item cf::player::num_playing
1397
1398Returns the official number of playing players, as per the Crossfire metaserver rules.
1399
1400=cut
1401
1402sub num_playing {
1403 scalar grep
1404 $_->ob->map
1405 && !$_->hidden
1406 && !$_->ob->flag (cf::FLAG_WIZ),
1407 cf::player::list
1408}
1006 1409
1007=item cf::player::find $login 1410=item cf::player::find $login
1008 1411
1009Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
1010 1413
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1452 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1453
1051 my $pl = load_pl path $login 1454 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1455 or return;
1456
1457 my $pl = cf::player::load_pl $f
1458 or return;
1459 local $cf::PLAYER_LOADING{$login} = $pl;
1460 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1054 } 1462 }
1055 } 1463 }
1056} 1464}
1057 1465
1067 1475
1068 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1070 1478
1071 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1072 Coro::cede; 1480 cf::cede_to_tick;
1073} 1481}
1074 1482
1075sub new($) { 1483sub new($) {
1076 my ($login) = @_; 1484 my ($login) = @_;
1077 1485
1081 $self->{deny_save} = 1; 1489 $self->{deny_save} = 1;
1082 1490
1083 $cf::PLAYER{$login} = $self; 1491 $cf::PLAYER{$login} = $self;
1084 1492
1085 $self 1493 $self
1494}
1495
1496=item $player->send_msg ($channel, $msg, $color, [extra...])
1497
1498=cut
1499
1500sub send_msg {
1501 my $ns = shift->ns
1502 or return;
1503 $ns->send_msg (@_);
1086} 1504}
1087 1505
1088=item $pl->quit_character 1506=item $pl->quit_character
1089 1507
1090Nukes the player without looking back. If logged in, the connection will 1508Nukes the player without looking back. If logged in, the connection will
1145 or return []; 1563 or return [];
1146 1564
1147 my @logins; 1565 my @logins;
1148 1566
1149 for my $login (@$dirs) { 1567 for my $login (@$dirs) {
1568 my $path = path $login;
1569
1570 # a .pst is a dead give-away for a valid player
1571 unless (-e "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1153 1576
1154 utf8::decode $login; 1577 utf8::decode $login;
1155 push @logins, $login; 1578 push @logins, $login;
1156 } 1579 }
1157 1580
1184 } 1607 }
1185 1608
1186 \@paths 1609 \@paths
1187} 1610}
1188 1611
1612=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1613
1614Expand crossfire pod fragments into protocol xml.
1615
1616=cut
1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1629sub expand_cfpod {
1630 my ($self, $pod) = @_;
1631
1632 my $xml;
1633
1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1637
1638 $group =~ s/&/&amp;/g;
1639 $group =~ s/</&lt;/g;
1640
1641 $xml .= $group;
1642 } elsif ($pod =~ m%\G
1643 ([BCGHITU])
1644 <
1645 (?:
1646 ([^<>]*) (?{ $group = $^N })
1647 | < $interior >
1648 )
1649 >
1650 %gcsx
1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671 "")
1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1683
1684 for ($xml) {
1685 # create single paragraphs (very hackish)
1686 s/(?<=\S)\n(?=\w)/ /g;
1687
1688 # compress some whitespace
1689 s/\s+\n/\n/g; # ws line-ends
1690 s/\n\n+/\n/g; # double lines
1691 s/^\n+//; # beginning lines
1692 s/\n+$//; # ending lines
1693 }
1694
1695 $xml
1696}
1697
1698no re 'eval';
1699
1700sub hintmode {
1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1702 $_[0]{hintmode}
1703}
1704
1189=item $player->ext_reply ($msgid, %msg) 1705=item $player->ext_reply ($msgid, @msg)
1190 1706
1191Sends an ext reply to the player. 1707Sends an ext reply to the player.
1192 1708
1193=cut 1709=cut
1194 1710
1195sub ext_reply($$%) { 1711sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1712 my ($self, $id, @msg) = @_;
1197 1713
1198 $msg{msgid} = $id; 1714 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1715}
1202 1716
1203=item $player->ext_event ($type, %msg) 1717=item $player->ext_msg ($type, @msg)
1204 1718
1205Sends an ext event to the client. 1719Sends an ext event to the client.
1206 1720
1207=cut 1721=cut
1208 1722
1209sub ext_event($$%) { 1723sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1724 my ($self, $type, @msg) = @_;
1211 1725
1212 $self->ns->ext_event ($type, %msg); 1726 $self->ns->ext_msg ($type, @msg);
1213} 1727}
1214 1728
1215=head3 cf::region 1729=head3 cf::region
1216 1730
1217=over 4 1731=over 4
1220 1734
1221package cf::region; 1735package cf::region;
1222 1736
1223=item cf::region::find_by_path $path 1737=item cf::region::find_by_path $path
1224 1738
1225Tries to decuce the probable region for a map knowing only its path. 1739Tries to decuce the likely region for a map knowing only its path.
1226 1740
1227=cut 1741=cut
1228 1742
1229sub find_by_path($) { 1743sub find_by_path($) {
1230 my ($path) = @_; 1744 my ($path) = @_;
1231 1745
1232 my ($match, $specificity); 1746 my ($match, $specificity);
1233 1747
1234 for my $region (list) { 1748 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1749 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1750 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1751 if $region->specificity > $specificity;
1238 } 1752 }
1239 } 1753 }
1240 1754
1304 my ($self, $merge) = @_; 1818 my ($self, $merge) = @_;
1305 1819
1306 # we have to keep some variables in memory intact 1820 # we have to keep some variables in memory intact
1307 local $self->{path}; 1821 local $self->{path};
1308 local $self->{load_path}; 1822 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1823
1312 $self->SUPER::thawer_merge ($merge); 1824 $self->SUPER::thawer_merge ($merge);
1313} 1825}
1314 1826
1315sub normalise { 1827sub normalise {
1362 $self->init; # pass $1 etc. 1874 $self->init; # pass $1 etc.
1363 return $self; 1875 return $self;
1364 } 1876 }
1365 } 1877 }
1366 1878
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1879 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1880 ()
1369} 1881}
1370 1882
1371sub init { 1883sub init {
1372 my ($self) = @_; 1884 my ($self) = @_;
1415 1927
1416 $_->change_map_light ($change) 1928 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1929 for grep $_->outdoor, values %cf::MAP;
1418} 1930}
1419 1931
1932sub decay_objects {
1933 my ($self) = @_;
1934
1935 return if $self->{deny_reset};
1936
1937 $self->do_decay_objects;
1938}
1939
1420sub unlink_save { 1940sub unlink_save {
1421 my ($self) = @_; 1941 my ($self) = @_;
1422 1942
1423 utf8::encode (my $save = $self->save_path); 1943 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1944 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1947
1428sub load_header_from($) { 1948sub load_header_from($) {
1429 my ($self, $path) = @_; 1949 my ($self, $path) = @_;
1430 1950
1431 utf8::encode $path; 1951 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1952 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1953 or return;
1954
1955 $self->_load_header ($f)
1956 or return;
1957
1958 local $MAP_LOADING{$self->{path}} = $self;
1959 $f->resolve_delayed_derefs;
1437 1960
1438 $self->{load_path} = $path; 1961 $self->{load_path} = $path;
1439 1962
1440 1 1963 1
1441} 1964}
1480 $self->load_header_orig 2003 $self->load_header_orig
1481 or return; 2004 or return;
1482 $self->prepare_orig; 2005 $self->prepare_orig;
1483 } 2006 }
1484 2007
2008 $self->{deny_reset} = 1
2009 if $self->no_reset;
2010
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2011 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2012 unless $self->default_region;
1487 2013
1488 1 2014 1
1489} 2015}
1492sub find { 2018sub find {
1493 my ($path, $origin) = @_; 2019 my ($path, $origin) = @_;
1494 2020
1495 $path = normalise $path, $origin && $origin->path; 2021 $path = normalise $path, $origin && $origin->path;
1496 2022
2023 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2024 cf::lock_wait "map_find:$path";
1498 2025
1499 $cf::MAP{$path} || do { 2026 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path"; 2027 my $guard1 = cf::lock_acquire "map_find:$path";
2028 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
1501 my $map = new_from_path cf::map $path 2030 my $map = new_from_path cf::map $path
1502 or return; 2031 or return;
1503 2032
1504 $map->{last_save} = $cf::RUNTIME; 2033 $map->{last_save} = $cf::RUNTIME;
1505 2034
1506 $map->load_header 2035 $map->load_header
1507 or return; 2036 or return;
1508 2037
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2038 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2039 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2040 #$cf::WAIT_FOR_TICK->wait;
2041 undef $guard1;
2042 undef $guard2;
1512 $map->reset; 2043 $map->reset;
1513 undef $guard;
1514 return find $path; 2044 return find $path;
1515 } 2045 }
1516 2046
1517 $cf::MAP{$path} = $map 2047 $cf::MAP{$path} = $map
1518 } 2048 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2057 local $self->{deny_reset} = 1; # loading can take a long time
1528 2058
1529 my $path = $self->{path}; 2059 my $path = $self->{path};
1530 2060
1531 { 2061 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2062 my $guard = cf::lock_acquire "map_data:$path";
1533 2063
2064 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2065 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2066
1536 $self->in_memory (cf::MAP_LOADING); 2067 $self->in_memory (cf::MAP_LOADING);
1537 2068
1538 $self->alloc; 2069 $self->alloc;
1539 2070
1540 $self->pre_load; 2071 $self->pre_load;
1541 Coro::cede; 2072 cf::cede_to_tick;
1542 2073
2074 my $f = new_from_file cf::object::thawer $self->{load_path};
2075 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2076 $self->_load_objects ($f)
1544 or return; 2077 or return;
1545 2078
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2079 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 2080 if delete $self->{load_original};
1548 2081
1549 if (my $uniq = $self->uniq_path) { 2082 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2083 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2084 unless (aio_stat $uniq) {
2085 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2086 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2087 $self->_load_objects ($f);
2088 $f->resolve_delayed_derefs;
2089 }
1554 } 2090 }
1555 } 2091 }
1556 2092
1557 Coro::cede; 2093 $f->resolve_delayed_derefs;
2094
2095 cf::cede_to_tick;
1558 # now do the right thing for maps 2096 # now do the right thing for maps
1559 $self->link_multipart_objects; 2097 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2098 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2099 unless $self->difficulty;
1562 Coro::cede; 2100 cf::cede_to_tick;
1563 2101
1564 unless ($self->{deny_activate}) { 2102 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2103 $self->decay_objects;
1566 $self->fix_auto_apply; 2104 $self->fix_auto_apply;
1567 $self->update_buttons; 2105 $self->update_buttons;
1568 Coro::cede; 2106 cf::cede_to_tick;
1569 $self->set_darkness_map; 2107 $self->set_darkness_map;
1570 Coro::cede; 2108 cf::cede_to_tick;
1571 $self->activate; 2109 $self->activate;
1572 } 2110 }
2111
2112 $self->{last_save} = $cf::RUNTIME;
2113 $self->last_access ($cf::RUNTIME);
1573 2114
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2115 $self->in_memory (cf::MAP_IN_MEMORY);
1575 } 2116 }
1576 2117
1577 $self->post_load; 2118 $self->post_load;
1581 my ($self, $ob) = @_; 2122 my ($self, $ob) = @_;
1582 2123
1583 return find "~" . $ob->name . "/" . $self->{path} 2124 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2125 if $self->per_player;
1585 2126
2127# return find "?party/" . $ob->name . "/" . $self->{path}
2128# if $self->per_party;
2129
1586 $self 2130 $self
1587} 2131}
1588 2132
1589# find and load all maps in the 3x3 area around a map 2133# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2134sub load_neighbours {
1591 my ($map) = @_; 2135 my ($map) = @_;
1592 2136
1593 my @diag; # diagonal neighbours 2137 my @neigh; # diagonal neighbours
1594 2138
1595 for (0 .. 3) { 2139 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2140 my $neigh = $map->tile_path ($_)
1597 or next; 2141 or next;
1598 $neigh = find $neigh, $map 2142 $neigh = find $neigh, $map
1599 or next; 2143 or next;
1600 $neigh->load; 2144 $neigh->load;
1601 2145
2146 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2147 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2148 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2149 }
1605 2150
1606 for (@diag) { 2151 for (grep defined $_->[0], @neigh) {
2152 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2153 my $neigh = find $path, $origin
1608 or next; 2154 or next;
1609 $neigh->load; 2155 $neigh->load;
1610 } 2156 }
1611} 2157}
1612 2158
1617} 2163}
1618 2164
1619sub do_load_sync { 2165sub do_load_sync {
1620 my ($map) = @_; 2166 my ($map) = @_;
1621 2167
2168 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2169 if $Coro::current == $Coro::main;
2170
1622 cf::sync_job { $map->load }; 2171 cf::sync_job { $map->load };
1623} 2172}
1624 2173
1625our %MAP_PREFETCH; 2174our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2175our $MAP_PREFETCHER = undef;
1627 2176
1628sub find_async { 2177sub find_async {
1629 my ($path, $origin) = @_; 2178 my ($path, $origin, $load) = @_;
1630 2179
1631 $path = normalise $path, $origin && $origin->{path}; 2180 $path = normalise $path, $origin && $origin->{path};
1632 2181
1633 if (my $map = $cf::MAP{$path}) { 2182 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2183 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635 } 2184 }
1636 2185
1637 undef $MAP_PREFETCH{$path}; 2186 $MAP_PREFETCH{$path} |= $load;
2187
1638 $MAP_PREFETCHER ||= cf::async { 2188 $MAP_PREFETCHER ||= cf::async {
2189 $Coro::current->{desc} = "map prefetcher";
2190
1639 while (%MAP_PREFETCH) { 2191 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2192 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2193 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2194 $map->load if $v;
2195 }
1644 2196
1645 delete $MAP_PREFETCH{$path}; 2197 delete $MAP_PREFETCH{$k};
1646 } 2198 }
1647 } 2199 }
1648 undef $MAP_PREFETCHER; 2200 undef $MAP_PREFETCHER;
1649 }; 2201 };
1650 $MAP_PREFETCHER->prio (6); 2202 $MAP_PREFETCHER->prio (6);
1653} 2205}
1654 2206
1655sub save { 2207sub save {
1656 my ($self) = @_; 2208 my ($self) = @_;
1657 2209
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2211
1660 $self->{last_save} = $cf::RUNTIME; 2212 $self->{last_save} = $cf::RUNTIME;
1661 2213
1662 return unless $self->dirty; 2214 return unless $self->dirty;
1663 2215
1669 return if $self->{deny_save}; 2221 return if $self->{deny_save};
1670 2222
1671 local $self->{last_access} = $self->last_access;#d# 2223 local $self->{last_access} = $self->last_access;#d#
1672 2224
1673 cf::async { 2225 cf::async {
2226 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2227 $_->contr->save for $self->players;
1675 }; 2228 };
1676 2229
1677 if ($uniq) { 2230 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2231 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1686 my ($self) = @_; 2239 my ($self) = @_;
1687 2240
1688 # save first because save cedes 2241 # save first because save cedes
1689 $self->save; 2242 $self->save;
1690 2243
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2245
1693 return if $self->players; 2246 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2247 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save}; 2248 return if $self->{deny_save};
1696 2249
2250 $self->in_memory (cf::MAP_SWAPPED);
2251
2252 $self->deactivate;
2253 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2254 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2255}
1700 2256
1701sub reset_at { 2257sub reset_at {
1702 my ($self) = @_; 2258 my ($self) = @_;
1703 2259
1704 # TODO: safety, remove and allow resettable per-player maps 2260 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2261 return 1e99 if $self->{deny_reset};
1707 2262
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2263 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2264 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2265
1721 my ($self) = @_; 2276 my ($self) = @_;
1722 2277
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2278 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2279
1725 return if $self->players; 2280 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2281
1728 warn "resetting map ", $self->path;#d# 2282 warn "resetting map ", $self->path;
1729 2283
1730 $self->in_memory (cf::MAP_SWAPPED); 2284 $self->in_memory (cf::MAP_SWAPPED);
1731 2285
1732 # need to save uniques path 2286 # need to save uniques path
1733 unless ($self->{deny_save}) { 2287 unless ($self->{deny_save}) {
1737 if $uniq; 2291 if $uniq;
1738 } 2292 }
1739 2293
1740 delete $cf::MAP{$self->path}; 2294 delete $cf::MAP{$self->path};
1741 2295
2296 $self->deactivate;
2297 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2298 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2299
1746 $self->unlink_save; 2300 $self->unlink_save;
1747 $self->destroy; 2301 $self->destroy;
1748} 2302}
1749 2303
1750my $nuke_counter = "aaaa"; 2304my $nuke_counter = "aaaa";
1751 2305
1752sub nuke { 2306sub nuke {
1753 my ($self) = @_; 2307 my ($self) = @_;
1754 2308
2309 {
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
1755 delete $cf::MAP{$self->path}; 2312 delete $cf::MAP{$self->path};
1756 2313
1757 $self->unlink_save; 2314 $self->unlink_save;
1758 2315
1759 bless $self, "cf::map"; 2316 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2317 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2318 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2319 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2320 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2321
1765 $cf::MAP{$self->path} = $self; 2322 $cf::MAP{$self->path} = $self;
2323 }
1766 2324
1767 $self->reset; # polite request, might not happen 2325 $self->reset; # polite request, might not happen
2326}
2327
2328=item $maps = cf::map::tmp_maps
2329
2330Returns an arrayref with all map paths of currently instantiated and saved
2331maps. May block.
2332
2333=cut
2334
2335sub tmp_maps() {
2336 [
2337 map {
2338 utf8::decode $_;
2339 /\.map$/
2340 ? normalise $_
2341 : ()
2342 } @{ aio_readdir $TMPDIR or [] }
2343 ]
2344}
2345
2346=item $maps = cf::map::random_maps
2347
2348Returns an arrayref with all map paths of currently instantiated and saved
2349random maps. May block.
2350
2351=cut
2352
2353sub random_maps() {
2354 [
2355 map {
2356 utf8::decode $_;
2357 /\.map$/
2358 ? normalise "?random/$_"
2359 : ()
2360 } @{ aio_readdir $RANDOMDIR or [] }
2361 ]
1768} 2362}
1769 2363
1770=item cf::map::unique_maps 2364=item cf::map::unique_maps
1771 2365
1772Returns an arrayref of paths of all shared maps that have 2366Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2367instantiated unique items. May block.
1774 2368
1775=cut 2369=cut
1776 2370
1777sub unique_maps() { 2371sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2372 [
1779 or return; 2373 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2374 utf8::decode $_;
1785 next if /\.pst$/; 2375 /\.map$/
1786 next unless /^$PATH_SEP/o; 2376 ? normalise $_
1787 2377 : ()
1788 push @paths, cf::map::normalise $_; 2378 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2379 ]
1790
1791 \@paths
1792} 2380}
1793
1794package cf;
1795 2381
1796=back 2382=back
1797 2383
1798=head3 cf::object 2384=head3 cf::object
1799 2385
1814 map { $_, inv_recursive_ $_->inv } @_ 2400 map { $_, inv_recursive_ $_->inv } @_
1815} 2401}
1816 2402
1817sub inv_recursive { 2403sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2404 inv_recursive_ inv $_[0]
2405}
2406
2407=item $ref = $ob->ref
2408
2409creates and returns a persistent reference to an objetc that can be stored as a string.
2410
2411=item $ob = cf::object::deref ($refstring)
2412
2413returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414even if the object actually exists. May block.
2415
2416=cut
2417
2418sub deref {
2419 my ($ref) = @_;
2420
2421 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2422 my ($uuid, $name) = ($1, $2);
2423 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2424 or return;
2425 $pl->ob->uuid eq $uuid
2426 or return;
2427
2428 $pl->ob
2429 } else {
2430 warn "$ref: cannot resolve object reference\n";
2431 undef
2432 }
1819} 2433}
1820 2434
1821package cf; 2435package cf;
1822 2436
1823=back 2437=back
1842 2456
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2457 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2458
1845 if ($self->{record_replies}) { 2459 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2460 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2461
1847 } else { 2462 } else {
2463 my $pl = $self->contr;
2464
2465 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2466 my $dialog = $pl->{npc_dialog};
2467 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468
2469 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2470 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2471 $self->message ($msg, $flags);
2472 }
1850 } 2473 }
2474}
2475
2476=item $object->send_msg ($channel, $msg, $color, [extra...])
2477
2478=cut
2479
2480sub cf::object::send_msg {
2481 my $pl = shift->contr
2482 or return;
2483 $pl->send_msg (@_);
1851} 2484}
1852 2485
1853=item $player_object->may ("access") 2486=item $player_object->may ("access")
1854 2487
1855Returns wether the given player is authorized to access resource "access" 2488Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2567 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2568 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2569 if $x <=0 && $y <= 0;
1937 2570
1938 $map->load; 2571 $map->load;
1939 $map->load_diag; 2572 $map->load_neighbours;
1940 2573
1941 return unless $self->contr->active; 2574 return unless $self->contr->active;
1942 $self->activate_recursive; 2575 $self->activate_recursive;
1943 2576
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2577 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2578 $self->enter_map ($map, $x, $y);
1946} 2579}
1947 2580
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2581=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2582
1950Moves the player to the given map-path and coordinates by first freezing 2583Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2584her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2585that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2586the new (success) or old (failed) map position. In either case, $done will
2587be called at the end of this process.
1954 2588
1955=cut 2589=cut
1956 2590
1957our $GOTOGEN; 2591our $GOTOGEN;
1958 2592
1959sub cf::object::player::goto { 2593sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2594 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2595
1962 # do generation counting so two concurrent goto's will be executed in-order 2596 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2597 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2598
1965 $self->enter_link; 2599 $self->enter_link;
1966 2600
1967 (async { 2601 (async {
2602 $Coro::current->{desc} = "player::goto $path $x $y";
2603
2604 # *tag paths override both path and x|y
2605 if ($path =~ /^\*(.*)$/) {
2606 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2607 my $ob = $obs[rand @obs];
2608
2609 # see if we actually can go there
2610 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2611 $ob = $obs[rand @obs];
2612 } else {
2613 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2614 }
2615 # else put us there anyways for now #d#
2616
2617 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2618 } else {
2619 ($path, $x, $y) = (undef, undef, undef);
2620 }
2621 }
2622
1968 my $map = eval { 2623 my $map = eval {
1969 my $map = cf::map::find $path; 2624 my $map = defined $path ? cf::map::find $path : undef;
1970 2625
1971 if ($map) { 2626 if ($map) {
1972 $map = $map->customise_for ($self); 2627 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2628 $map = $check->($map) if $check && $map;
1974 } else { 2629 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2630 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2631 }
1977 2632
1978 $map 2633 $map
1979 }; 2634 };
1980 2635
1985 2640
1986 if ($gen == $self->{_goto_generation}) { 2641 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2642 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2643 $self->leave_link ($map, $x, $y);
1989 } 2644 }
2645
2646 $done->() if $done;
1990 })->prio (1); 2647 })->prio (1);
1991} 2648}
1992 2649
1993=item $player_object->enter_exit ($exit_object) 2650=item $player_object->enter_exit ($exit_object)
1994 2651
2031 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
2032 } 2689 }
2033 2690
2034 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
2035 2692
2036 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
2037 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
2039 2696
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
2063 my $hp = $exit->stats->hp; 2720 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp; 2721 my $sp = $exit->stats->sp;
2065 2722
2066 $self->enter_link; 2723 $self->enter_link;
2067 2724
2725 # if exit is damned, update players death & WoR home-position
2726 $self->contr->savebed ($slaying, $hp, $sp)
2727 if $exit->flag (FLAG_DAMNED);
2728
2068 (async { 2729 (async {
2730 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2731
2069 $self->deactivate_recursive; # just to be sure 2732 $self->deactivate_recursive; # just to be sure
2070 unless (eval { 2733 unless (eval {
2071 $self->goto ($slaying, $hp, $sp); 2734 $self->goto ($slaying, $hp, $sp);
2072 2735
2073 1; 2736 1;
2099 2762
2100 utf8::encode $text; 2763 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2764 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2765}
2103 2766
2767=item $client->send_msg ($channel, $msg, $color, [extra...])
2768
2769Send a drawinfo or msg packet to the client, formatting the msg for the
2770client if neccessary. C<$type> should be a string identifying the type of
2771the message, with C<log> being the default. If C<$color> is negative, suppress
2772the message unless the client supports the msg packet.
2773
2774=cut
2775
2776# non-persistent channels (usually the info channel)
2777our %CHANNEL = (
2778 "c/identify" => {
2779 id => "infobox",
2780 title => "Identify",
2781 reply => undef,
2782 tooltip => "Items recently identified",
2783 },
2784 "c/examine" => {
2785 id => "infobox",
2786 title => "Examine",
2787 reply => undef,
2788 tooltip => "Signs and other items you examined",
2789 },
2790 "c/book" => {
2791 id => "infobox",
2792 title => "Book",
2793 reply => undef,
2794 tooltip => "The contents of a note or book",
2795 },
2796 "c/lookat" => {
2797 id => "infobox",
2798 title => "Look",
2799 reply => undef,
2800 tooltip => "What you saw there",
2801 },
2802 "c/who" => {
2803 id => "infobox",
2804 title => "Players",
2805 reply => undef,
2806 tooltip => "Shows players who are currently online",
2807 },
2808 "c/body" => {
2809 id => "infobox",
2810 title => "Body Parts",
2811 reply => undef,
2812 tooltip => "Shows which body parts you posess and are available",
2813 },
2814 "c/uptime" => {
2815 id => "infobox",
2816 title => "Uptime",
2817 reply => undef,
2818 tooltip => "How long the server has been running since last restart",
2819 },
2820 "c/mapinfo" => {
2821 id => "infobox",
2822 title => "Map Info",
2823 reply => undef,
2824 tooltip => "Information related to the maps",
2825 },
2826);
2827
2828sub cf::client::send_msg {
2829 my ($self, $channel, $msg, $color, @extra) = @_;
2830
2831 $msg = $self->pl->expand_cfpod ($msg);
2832
2833 $color &= cf::NDI_CLIENT_MASK; # just in case...
2834
2835 # check predefined channels, for the benefit of C
2836 if ($CHANNEL{$channel}) {
2837 $channel = $CHANNEL{$channel};
2838
2839 $self->ext_msg (channel_info => $channel)
2840 if $self->can_msg;
2841
2842 $channel = $channel->{id};
2843
2844 } elsif (ref $channel) {
2845 # send meta info to client, if not yet sent
2846 unless (exists $self->{channel}{$channel->{id}}) {
2847 $self->{channel}{$channel->{id}} = $channel;
2848 $self->ext_msg (channel_info => $channel)
2849 if $self->can_msg;
2850 }
2851
2852 $channel = $channel->{id};
2853 }
2854
2855 return unless @extra || length $msg;
2856
2857 if ($self->can_msg) {
2858 # default colour, mask it out
2859 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860 if $color & cf::NDI_DEF;
2861
2862 $self->send_packet ("msg " . $self->{json_coder}->encode (
2863 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2864 } else {
2865 if ($color >= 0) {
2866 # replace some tags by gcfclient-compatible ones
2867 for ($msg) {
2868 1 while
2869 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874 }
2875
2876 $color &= cf::NDI_COLOR_MASK;
2877
2878 utf8::encode $msg;
2879
2880 if (0 && $msg =~ /\[/) {
2881 # COMMAND/INFO
2882 $self->send_packet ("drawextinfo $color 10 8 $msg")
2883 } else {
2884 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885 $self->send_packet ("drawinfo $color $msg")
2886 }
2887 }
2888 }
2889}
2890
2104=item $client->ext_event ($type, %msg) 2891=item $client->ext_msg ($type, @msg)
2105 2892
2106Sends an exti event to the client. 2893Sends an ext event to the client.
2107 2894
2108=cut 2895=cut
2109 2896
2110sub cf::client::ext_event($$%) { 2897sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2898 my ($self, $type, @msg) = @_;
2112 2899
2900 if ($self->extcmd == 2) {
2901 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2903 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2904 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905 }
2906}
2907
2908=item $client->ext_reply ($msgid, @msg)
2909
2910Sends an ext reply to the client.
2911
2912=cut
2913
2914sub cf::client::ext_reply($$@) {
2915 my ($self, $id, @msg) = @_;
2916
2917 if ($self->extcmd == 2) {
2918 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919 } elsif ($self->extcmd == 1) {
2920 #TODO: version 1, remove
2921 unshift @msg, msgtype => "reply", msgid => $id;
2922 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923 }
2115} 2924}
2116 2925
2117=item $success = $client->query ($flags, "text", \&cb) 2926=item $success = $client->query ($flags, "text", \&cb)
2118 2927
2119Queues a query to the client, calling the given callback with 2928Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2929the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2930C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2931
2123Queries can fail, so check the return code. Or don't, as queries will become 2932Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2933become reliable at some point in the future.
2125 2934
2126=cut 2935=cut
2127 2936
2128sub cf::client::query { 2937sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2938 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2946 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2947 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2948
2140 $self->send_packet ($self->{query_queue}[0][0]) 2949 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2950 if @{ $self->{query_queue} } == 1;
2951
2952 1
2142} 2953}
2143 2954
2144cf::client->attach ( 2955cf::client->attach (
2956 on_connect => sub {
2957 my ($ns) = @_;
2958
2959 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2960 },
2145 on_reply => sub { 2961 on_reply => sub {
2146 my ($ns, $msg) = @_; 2962 my ($ns, $msg) = @_;
2147 2963
2148 # this weird shuffling is so that direct followup queries 2964 # this weird shuffling is so that direct followup queries
2149 # get handled first 2965 # get handled first
2161 } else { 2977 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2978 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2979 }
2164 } 2980 }
2165 }, 2981 },
2982 on_exticmd => sub {
2983 my ($ns, $buf) = @_;
2984
2985 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2986
2987 if (ref $msg) {
2988 my ($type, $reply, @payload) =
2989 "ARRAY" eq ref $msg
2990 ? @$msg
2991 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2992
2993 my @reply;
2994
2995 if (my $cb = $EXTICMD{$type}) {
2996 @reply = $cb->($ns, @payload);
2997 }
2998
2999 $ns->ext_reply ($reply, @reply)
3000 if $reply;
3001
3002 } else {
3003 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3004 }
3005
3006 cf::override;
3007 },
2166); 3008);
2167 3009
2168=item $client->async (\&cb) 3010=item $client->async (\&cb)
2169 3011
2170Create a new coroutine, running the specified callback. The coroutine will 3012Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3053our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3054our $safe_hole = new Safe::Hole;
2213 3055
2214$SIG{FPE} = 'IGNORE'; 3056$SIG{FPE} = 'IGNORE';
2215 3057
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3058$safe->permit_only (Opcode::opset qw(
3059 :base_core :base_mem :base_orig :base_math
3060 grepstart grepwhile mapstart mapwhile
3061 sort time
3062));
2217 3063
2218# here we export the classes and methods available to script code 3064# here we export the classes and methods available to script code
2219 3065
2220=pod 3066=pod
2221 3067
2222The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2223 3069
2224 cf::object contr pay_amount pay_player map 3070 cf::object
3071 contr pay_amount pay_player map x y force_find force_add destroy
3072 insert remove name archname title slaying race decrease_ob_nr
3073
2225 cf::object::player player 3074 cf::object::player
2226 cf::player peaceful 3075 player
2227 cf::map trigger 3076
3077 cf::player
3078 peaceful
3079
3080 cf::map
3081 trigger
2228 3082
2229=cut 3083=cut
2230 3084
2231for ( 3085for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3086 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087 insert remove inv name archname title slaying race
3088 decrease_ob_nr destroy)],
2233 ["cf::object::player" => qw(player)], 3089 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3090 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3091 ["cf::map" => qw(trigger)],
2236) { 3092) {
2237 no strict 'refs'; 3093 no strict 'refs';
2308=back 3164=back
2309 3165
2310=cut 3166=cut
2311 3167
2312############################################################################# 3168#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3169# the server's init and main functions
2486 3170
2487sub load_facedata($) { 3171sub load_facedata($) {
2488 my ($path) = @_; 3172 my ($path) = @_;
3173
3174 # HACK to clear player env face cache, we need some signal framework
3175 # for this (global event?)
3176 %ext::player_env::MUSIC_FACE_CACHE = ();
3177
3178 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3179
2490 warn "loading facedata from $path\n"; 3180 warn "loading facedata from $path\n";
2491 3181
2492 my $facedata; 3182 my $facedata;
2493 0 < aio_load $path, $facedata 3183 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3186 $facedata = Coro::Storable::thaw $facedata;
2497 3187
2498 $facedata->{version} == 2 3188 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3189 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3190
3191 # patch in the exptable
3192 $facedata->{resource}{"res/exp_table"} = {
3193 type => FT_RSRC,
3194 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3195 };
3196 cf::cede_to_tick;
3197
2501 { 3198 {
2502 my $faces = $facedata->{faceinfo}; 3199 my $faces = $facedata->{faceinfo};
2503 3200
2504 while (my ($face, $info) = each %$faces) { 3201 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3204 cf::face::set_visibility $idx, $info->{visibility};
3205 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3206 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3207 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3208
3209 cf::cede_to_tick;
2510 } 3210 }
2511 3211
2512 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3213 next unless $info->{smooth};
3214
2514 my $idx = cf::face::find $face 3215 my $idx = cf::face::find $face
2515 or next; 3216 or next;
3217
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3218 if (my $smooth = cf::face::find $info->{smooth}) {
3219 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3221 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3223 }
2521 Coro::cede; 3224
3225 cf::cede_to_tick;
2522 } 3226 }
2523 } 3227 }
2524 3228
2525 { 3229 {
2526 my $anims = $facedata->{animinfo}; 3230 my $anims = $facedata->{animinfo};
2527 3231
2528 while (my ($anim, $info) = each %$anims) { 3232 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3233 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3234 cf::cede_to_tick;
2531 } 3235 }
2532 3236
2533 cf::anim::invalidate_all; # d'oh 3237 cf::anim::invalidate_all; # d'oh
2534 } 3238 }
2535 3239
3240 {
3241 # TODO: for gcfclient pleasure, we should give resources
3242 # that gcfclient doesn't grok a >10000 face index.
3243 my $res = $facedata->{resource};
3244
3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3248 my $data;
3249
3250 if ($info->{type} & 1) {
3251 # prepend meta info
3252
3253 my $meta = $enc->encode ({
3254 name => $name,
3255 %{ $info->{meta} || {} },
3256 });
3257
3258 $data = pack "(w/a*)*", $meta, $info->{data};
3259 } else {
3260 $data = $info->{data};
3261 }
3262
3263 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264 cf::face::set_type $idx, $info->{type};
3265 } else {
3266 $RESOURCE{$name} = $info;
3267 }
3268
3269 cf::cede_to_tick;
3270 }
3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3274
2536 1 3275 1
2537} 3276}
2538 3277
3278cf::global->attach (on_resource_update => sub {
3279 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283 my $sound = $soundconf->{compat}[$_]
3284 or next;
3285
3286 my $face = cf::face::find "sound/$sound->[1]";
3287 cf::sound::set $sound->[0] => $face;
3288 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289 }
3290
3291 while (my ($k, $v) = each %{$soundconf->{event}}) {
3292 my $face = cf::face::find "sound/$v";
3293 cf::sound::set $k => $face;
3294 }
3295 }
3296});
3297
3298register_exticmd fx_want => sub {
3299 my ($ns, $want) = @_;
3300
3301 while (my ($k, $v) = each %$want) {
3302 $ns->fx_want ($k, $v);
3303 }
3304};
3305
2539sub reload_regions { 3306sub reload_regions {
3307 # HACK to clear player env face cache, we need some signal framework
3308 # for this (global event?)
3309 %ext::player_env::MUSIC_FACE_CACHE = ();
3310
2540 load_resource_file "$MAPDIR/regions" 3311 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3312 or die "unable to load regions file\n";
3313
3314 for (cf::region::list) {
3315 $_->{match} = qr/$_->{match}/
3316 if exists $_->{match};
3317 }
2542} 3318}
2543 3319
2544sub reload_facedata { 3320sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3321 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3322 or die "unable to load facedata\n";
2547} 3323}
2548 3324
2549sub reload_archetypes { 3325sub reload_archetypes {
2550 load_resource_file "$DATADIR/archetypes" 3326 load_resource_file "$DATADIR/archetypes"
2551 or die "unable to load archetypes\n"; 3327 or die "unable to load archetypes\n";
3328 #d# NEED to laod twice to resolve forward references
3329 # this really needs to be done in an extra post-pass
3330 # (which needs to be synchronous, so solve it differently)
3331 load_resource_file "$DATADIR/archetypes"
3332 or die "unable to load archetypes\n";
2552} 3333}
2553 3334
2554sub reload_treasures { 3335sub reload_treasures {
2555 load_resource_file "$DATADIR/treasures" 3336 load_resource_file "$DATADIR/treasures"
2556 or die "unable to load treasurelists\n"; 3337 or die "unable to load treasurelists\n";
2559sub reload_resources { 3340sub reload_resources {
2560 warn "reloading resource files...\n"; 3341 warn "reloading resource files...\n";
2561 3342
2562 reload_regions; 3343 reload_regions;
2563 reload_facedata; 3344 reload_facedata;
3345 #reload_archetypes;#d#
2564 reload_archetypes; 3346 reload_archetypes;
2565 reload_treasures; 3347 reload_treasures;
2566 3348
2567 warn "finished reloading resource files\n"; 3349 warn "finished reloading resource files\n";
2568} 3350}
2569 3351
2570sub init { 3352sub init {
2571 reload_resources; 3353 reload_resources;
2572} 3354}
2573 3355
2574sub cfg_load { 3356sub reload_config {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3358 or return;
2577 3359
2578 local $/; 3360 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
2580 3362
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3364
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3365 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3366 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595sub main { 3377sub main {
2596 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3380 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3381 (async {
2600 Event::one_event; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3383 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
2602 }; 3385 };
2603 3386
2604 cfg_load; 3387 reload_config;
2605 db_init; 3388 db_init;
2606 load_extensions; 3389 load_extensions;
2607 3390
2608 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
2609 Event::loop; 3393 EV::loop;
2610} 3394}
2611 3395
2612############################################################################# 3396#############################################################################
2613# initialisation and cleanup 3397# initialisation and cleanup
2614 3398
2615# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
2616BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3403 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3404 cf::cleanup "SIG$signal";
2625 },
2626 ); 3405 };
3406 }
3407}
3408
3409sub write_runtime_sync {
3410 my $runtime = "$LOCALDIR/runtime";
3411
3412 # first touch the runtime file to show we are still running:
3413 # the fsync below can take a very very long time.
3414
3415 IO::AIO::aio_utime $runtime, undef, undef;
3416
3417 my $guard = cf::lock_acquire "write_runtime";
3418
3419 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3420 or return;
3421
3422 my $value = $cf::RUNTIME + 90 + 10;
3423 # 10 is the runtime save interval, for a monotonic clock
3424 # 60 allows for the watchdog to kill the server.
3425
3426 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3427 and return;
3428
3429 # always fsync - this file is important
3430 aio_fsync $fh
3431 and return;
3432
3433 # touch it again to show we are up-to-date
3434 aio_utime $fh, undef, undef;
3435
3436 close $fh
3437 or return;
3438
3439 aio_rename "$runtime~", $runtime
3440 and return;
3441
3442 warn "runtime file written.\n";
3443
2627 } 3444 1
3445}
3446
3447our $uuid_lock;
3448our $uuid_skip;
3449
3450sub write_uuid_sync($) {
3451 $uuid_skip ||= $_[0];
3452
3453 return if $uuid_lock;
3454 local $uuid_lock = 1;
3455
3456 my $uuid = "$LOCALDIR/uuid";
3457
3458 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459 or return;
3460
3461 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3462 $uuid_skip = 0;
3463
3464 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3465 and return;
3466
3467 # always fsync - this file is important
3468 aio_fsync $fh
3469 and return;
3470
3471 close $fh
3472 or return;
3473
3474 aio_rename "$uuid~", $uuid
3475 and return;
3476
3477 warn "uuid file written ($value).\n";
3478
3479 1
3480
3481}
3482
3483sub write_uuid($$) {
3484 my ($skip, $sync) = @_;
3485
3486 $sync ? write_uuid_sync $skip
3487 : async { write_uuid_sync $skip };
2628} 3488}
2629 3489
2630sub emergency_save() { 3490sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3491 my $freeze_guard = cf::freeze_mainloop;
2632 3492
2638 # and maps saved/destroyed asynchronously. 3498 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3499 warn "begin emergency player save\n";
2640 for my $login (keys %cf::PLAYER) { 3500 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3501 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3502 $pl->valid or next;
3503 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3504 $pl->save;
2644 } 3505 }
2645 warn "end emergency player save\n"; 3506 warn "end emergency player save\n";
2646 3507
2647 warn "begin emergency map save\n"; 3508 warn "begin emergency map save\n";
2653 warn "end emergency map save\n"; 3514 warn "end emergency map save\n";
2654 3515
2655 warn "begin emergency database checkpoint\n"; 3516 warn "begin emergency database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3517 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3518 warn "end emergency database checkpoint\n";
3519
3520 warn "begin write uuid\n";
3521 write_uuid_sync 1;
3522 warn "end write uuid\n";
2658 }; 3523 };
2659 3524
2660 warn "leave emergency perl save\n"; 3525 warn "leave emergency perl save\n";
2661} 3526}
2662 3527
2677 warn "reloading..."; 3542 warn "reloading...";
2678 3543
2679 warn "entering sync_job"; 3544 warn "entering sync_job";
2680 3545
2681 cf::sync_job { 3546 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3547 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3548 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3549 cf::write_runtime_sync; # external watchdog should not bark
2685 3550
2686 warn "syncing database to disk"; 3551 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3552 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3553
2689 # if anything goes wrong in here, we should simply crash as we already saved 3554 # if anything goes wrong in here, we should simply crash as we already saved
2690
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695 3555
2696 warn "flushing outstanding aio requests"; 3556 warn "flushing outstanding aio requests";
2697 for (;;) { 3557 for (;;) {
2698 BDB::flush; 3558 BDB::flush;
2699 IO::AIO::flush; 3559 IO::AIO::flush;
2700 Coro::cede; 3560 Coro::cede_notself;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3561 last unless IO::AIO::nreqs || BDB::nreqs;
2702 warn "iterate..."; 3562 warn "iterate...";
2703 } 3563 }
2704 3564
2705 ++$RELOAD; 3565 ++$RELOAD;
2709 %EXT_CORO = (); 3569 %EXT_CORO = ();
2710 3570
2711 warn "removing commands"; 3571 warn "removing commands";
2712 %COMMAND = (); 3572 %COMMAND = ();
2713 3573
2714 warn "removing ext commands"; 3574 warn "removing ext/exti commands";
2715 %EXTCMD = (); 3575 %EXTCMD = ();
3576 %EXTICMD = ();
2716 3577
2717 warn "unloading/nuking all extensions"; 3578 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) { 3579 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg"; 3580 warn "... unloading $pkg";
2720 3581
2763 warn "reloading cf.pm"; 3624 warn "reloading cf.pm";
2764 require cf; 3625 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3626 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3627
2767 warn "loading config and database again"; 3628 warn "loading config and database again";
2768 cf::cfg_load; 3629 cf::reload_config;
2769 3630
2770 warn "loading extensions"; 3631 warn "loading extensions";
2771 cf::load_extensions; 3632 cf::load_extensions;
2772 3633
2773 warn "reattaching attachments to objects/players"; 3634 warn "reattaching attachments to objects/players";
2780 warn "leaving sync_job"; 3641 warn "leaving sync_job";
2781 3642
2782 1 3643 1
2783 } or do { 3644 } or do {
2784 warn $@; 3645 warn $@;
2785 warn "error while reloading, exiting."; 3646 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3647 };
2788 3648
2789 warn "reloaded"; 3649 warn "reloaded";
2790}; 3650};
2791 3651
2793 3653
2794sub reload_perl() { 3654sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3655 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3656 # coro crashes during coro_state_free->destroy here.
2797 3657
2798 $RELOAD_WATCHER ||= Event->timer ( 3658 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799 reentrant => 0,
2800 after => 0,
2801 data => WF_AUTOCANCEL,
2802 cb => sub {
2803 do_reload_perl; 3659 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3660 undef $RELOAD_WATCHER;
2805 },
2806 ); 3661 };
2807} 3662}
2808 3663
2809register_command "reload" => sub { 3664register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3665 my ($who, $arg) = @_;
2811 3666
2812 if ($who->flag (FLAG_WIZ)) { 3667 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3668 $who->message ("reloading server.");
3669 async {
3670 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3671 reload_perl;
3672 };
2815 } 3673 }
2816}; 3674};
2817 3675
2818unshift @INC, $LIBDIR; 3676unshift @INC, $LIBDIR;
2819 3677
2821 3679
2822our @WAIT_FOR_TICK; 3680our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3681our @WAIT_FOR_TICK_BEGIN;
2824 3682
2825sub wait_for_tick { 3683sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active; 3684 return if tick_inhibit;
2827 return if $Coro::current == $Coro::main; 3685 return if $Coro::current == $Coro::main;
2828 3686
2829 my $signal = new Coro::Signal; 3687 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3688 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3689 $signal->wait;
2832} 3690}
2833 3691
2834sub wait_for_tick_begin { 3692sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active; 3693 return if tick_inhibit;
2836 return if $Coro::current == $Coro::main; 3694 return if $Coro::current == $Coro::main;
2837 3695
2838 my $signal = new Coro::Signal; 3696 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3697 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3698 $signal->wait;
2841} 3699}
2842 3700
2843 my $min = 1e6;#d# 3701sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3702 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3703 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3704 unless ++$bug_warning > 10;
2855 return; 3705 return;
2856 } 3706 }
2857 3707
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3708 cf::server_tick; # one server iteration
2861 3709
2862 0 && sync_job {#d# 3710 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3711 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3712 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3713 $Coro::current->{desc} = "runtime saver";
2866 or die; 3714 write_runtime_sync
2867 3715 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3716 };
3717 }
2884 3718
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3719 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3720 $sig->send;
2901 } 3721 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3722 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3723 $sig->send;
2904 } 3724 }
2905 3725
2906 $NOW = Event::time; 3726 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3727 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3728
2917 _post_tick; 3729 if (0) {
2918 3730 if ($NEXT_TICK) {
2919 3731 my $jitter = $TICK_START - $NEXT_TICK;
3732 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733 warn "jitter $JITTER\n";#d#
3734 }
2920 }, 3735 }
2921); 3736}
2922 3737
2923{ 3738{
2924 BDB::max_poll_time $TICK * 0.1; 3739 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3740
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3741 BDB::min_parallel 8;
2934 3742 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3743 $Coro::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3744
2950 unless ($DB_ENV) { 3745 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3746 $DB_ENV = BDB::db_env_create;
3747 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3748 | BDB::LOG_AUTOREMOVE, 1);
3749 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3751
2953 cf::sync_job { 3752 cf::sync_job {
2954 eval { 3753 eval {
2955 BDB::db_env_open 3754 BDB::db_env_open
2956 $DB_ENV, 3755 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3757 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3758 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3759 0666;
2961 3760
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3761 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3762 };
2967 3763
2968 cf::cleanup "db_env_open(db): $@" if $@; 3764 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3765 };
2970 } 3766 }
3767
3768 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3769 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3770 };
3771 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3772 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3773 };
3774 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3775 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3776 };
2971} 3777}
2972 3778
2973{ 3779{
3780 # configure IO::AIO
3781
2974 IO::AIO::min_parallel 8; 3782 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3783 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3784 $Coro::AIO::WATCHER->priority (1);
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3785}
2987 3786
2988my $_log_backtrace; 3787my $_log_backtrace;
2989 3788
2990sub _log_backtrace { 3789sub _log_backtrace {
2994 3793
2995 # limit the # of concurrent backtraces 3794 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3795 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3796 ++$_log_backtrace;
2998 async { 3797 async {
3798 $Coro::current->{desc} = "abt $msg";
3799
2999 my @bt = fork_call { 3800 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3801 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3802 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3803 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3804 or die "addr2line: $!";

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