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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.460 by root, Mon Dec 15 17:04:53 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 76
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 78
49our %COMMAND = (); 79our %COMMAND = ();
50our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
51 81
52our @EXTS = (); # list of extension package names 82our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 83our %EXTCMD = ();
84our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
56 87
57our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 89our @EVENT;
59 90
60our $CONFDIR = confdir; 91our $CONFDIR = confdir;
61our $DATADIR = datadir; 92our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
71 106
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 109our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default off
79 111
112our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 114our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 115our $DB_ENV;
82 116
83our %CFG; 117our %CFG;
84 118
85our $UPTIME; $UPTIME ||= time; 119our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 120our $RUNTIME;
121our $NOW;
87 122
88our %PLAYER; # all users 123our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 124our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 125our $LINK_MAP; # the special {link} map, which is always available
91 126
92# used to convert map paths into valid unix filenames by replacing / by ∕ 127# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 128our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 129
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 130our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 131our $LOADAVG; # same thing, but with alpha-smoothing
132our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 133our $TICK_START; # for load detecting purposes
134
135our @POST_INIT;
136
137our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98 138
99binmode STDOUT; 139binmode STDOUT;
100binmode STDERR; 140binmode STDERR;
101 141
102# read virtual server time, if available 142# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 143unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 144 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 145 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 146 $RUNTIME = <$fh> + 0.;
107} 147}
108 148
109mkdir $_ 149mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 150 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
155 195
156The raw value load value from the last tick. 196The raw value load value from the last tick.
157 197
158=item %cf::CFG 198=item %cf::CFG
159 199
160Configuration for the server, loaded from C</etc/crossfire/config>, or 200Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 201from wherever your confdir points to.
162 202
163=item cf::wait_for_tick, cf::wait_for_tick_begin 203=item cf::wait_for_tick, cf::wait_for_tick_begin
164 204
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 205These 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 206returns 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. 207per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 208
209=item @cf::INVOKE_RESULTS
210
211This array contains the results of the last C<invoke ()> call. When
212C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
213that call.
214
169=back 215=back
170 216
171=cut 217=cut
172 218
173BEGIN { 219BEGIN {
… …
177 $msg .= "\n" 223 $msg .= "\n"
178 unless $msg =~ /\n$/; 224 unless $msg =~ /\n$/;
179 225
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 226 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 227
182 utf8::encode $msg;
183 LOG llevError, $msg; 228 LOG llevError, $msg;
184 }; 229 };
185} 230}
231
232$Coro::State::DIEHOOK = sub {
233 return unless $^S eq 0; # "eq", not "=="
234
235 if ($Coro::current == $Coro::main) {#d#
236 warn "DIEHOOK called in main context, Coro bug?\n";#d#
237 return;#d#
238 }#d#
239
240 # kill coroutine otherwise
241 warn Carp::longmess $_[0];
242 Coro::terminate
243};
244
245$SIG{__DIE__} = sub { }; #d#?
186 246
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 247@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 248@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 249@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 250@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 251@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
252@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 253@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 254
194# we bless all objects into (empty) derived classes to force a method lookup 255# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 256# within the Safe compartment.
196for my $pkg (qw( 257for my $pkg (qw(
197 cf::global cf::attachable 258 cf::global cf::attachable
198 cf::object cf::object::player 259 cf::object cf::object::player
199 cf::client cf::player 260 cf::client cf::player
200 cf::arch cf::living 261 cf::arch cf::living
262 cf::map cf::mapspace
201 cf::map cf::party cf::region 263 cf::party cf::region
202)) { 264)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 265 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 266}
206 267
207$Event::DIED = sub { 268$EV::DIED = sub {
208 warn "error in event callback: @_"; 269 warn "error in event callback: @_";
209}; 270};
271
272#############################################################################
210 273
211=head2 UTILITY FUNCTIONS 274=head2 UTILITY FUNCTIONS
212 275
213=over 4 276=over 4
214 277
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 296 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 297 $d
235 } || "[unable to dump $_[0]: '$@']"; 298 } || "[unable to dump $_[0]: '$@']";
236} 299}
237 300
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 301=item $ref = cf::decode_json $json
241 302
242Converts a JSON string into the corresponding perl data structure. 303Converts a JSON string into the corresponding perl data structure.
243 304
244=item $json = cf::to_json $ref 305=item $json = cf::encode_json $ref
245 306
246Converts a perl data structure into its JSON representation. 307Converts a perl data structure into its JSON representation.
247 308
309=cut
310
311our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
312
313sub encode_json($) { $json_coder->encode ($_[0]) }
314sub decode_json($) { $json_coder->decode ($_[0]) }
315
316=item cf::post_init { BLOCK }
317
318Execute the given codeblock, I<after> all extensions have been (re-)loaded,
319but I<before> the server starts ticking again.
320
321The cdoeblock will have a single boolean argument to indicate whether this
322is a reload or not.
323
324=cut
325
326sub post_init(&) {
327 push @POST_INIT, shift;
328}
329
248=item cf::lock_wait $string 330=item cf::lock_wait $string
249 331
250Wait until the given lock is available. See cf::lock_acquire. 332Wait until the given lock is available. See cf::lock_acquire.
251 333
252=item my $lock = cf::lock_acquire $string 334=item my $lock = cf::lock_acquire $string
253 335
254Wait until the given lock is available and then acquires it and returns 336Wait 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, 337a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 338for example when the coroutine gets canceled), the lock is automatically
257returned. 339returned.
258 340
341Locks are *not* recursive, locking from the same coro twice results in a
342deadlocked coro.
343
259Lock names should begin with a unique identifier (for example, cf::map::find 344Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 345uses map_find and cf::map::load uses map_load).
261 346
262=item $locked = cf::lock_active $string 347=item $locked = cf::lock_active $string
263 348
264Return true if the lock is currently active, i.e. somebody has locked it. 349Return true if the lock is currently active, i.e. somebody has locked it.
265 350
266=cut 351=cut
267 352
268our %LOCK; 353our $LOCKS = new Coro::SemaphoreSet;
269 354
270sub lock_wait($) { 355sub lock_wait($) {
271 my ($key) = @_; 356 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 357}
279 358
280sub lock_acquire($) { 359sub lock_acquire($) {
281 my ($key) = @_; 360 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 361}
293 362
294sub lock_active($) { 363sub lock_active($) {
295 my ($key) = @_; 364 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 365}
299 366
300sub freeze_mainloop { 367sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
302 369
303 my $guard = Coro::guard { 370 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
305 }; 431 }
306 $TICK_WATCHER->stop; 432};
307 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
308} 446}
309 447
310=item cf::async { BLOCK } 448=item cf::async { BLOCK }
311 449
312Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
… …
317 455
318BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
319 457
320=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
321 459
322The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
325 464
326If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
329fast or be very important. 468fast or be very important.
… …
332 471
333sub sync_job(&) { 472sub sync_job(&) {
334 my ($job) = @_; 473 my ($job) = @_;
335 474
336 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 476 my $time = EV::time;
338 477
339 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
341 480
342 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 482
344 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
345 484
346 my $busy = 1; 485 my $busy = 1;
347 my @res; 486 my @res;
348 487
349 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 490 @res = eval { $job->() };
351 warn $@ if $@; 491 warn $@ if $@;
352 undef $busy; 492 undef $busy;
353 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
354 494
355 while ($busy) { 495 while ($busy) {
356 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
357 } 500 }
501 }
358 502
359 $time = Event::time - $time; 503 my $time = EV::time - $time;
360 504
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 505 $TICK_START += $time; # do not account sync jobs to server load
365 506
366 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
367 } else { 508 } else {
368 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
369 510
… …
389 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
390 531
391 $coro 532 $coro
392} 533}
393 534
394sub write_runtime { 535=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 536
397 # first touch the runtime file to show we are still running: 537Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
399 541
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 542=cut
401 utime undef, undef, $fh; 543
544sub fork_call(&@) {
545 my ($cb, @args) = @_;
546
547 # we seemingly have to make a local copy of the whole thing,
548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
550
551 my @res = Coro::Util::fork_eval {
552 reset_signals;
553 &$cb
554 }, @args;
555
556 wantarray ? @res : $res[-1]
557}
558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
402 } 613 };
614 cf::cleanup "db_open(db): $@" if $@;
403 615
404 my $guard = cf::lock_acquire "write_runtime"; 616 $db
617}
405 618
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 619our $DB;
407 or return;
408 620
409 my $value = $cf::RUNTIME + 90 + 10; 621sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 622 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 623 $DB ||= db_table "db";
624 };
625}
412 626
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 627sub db_get($$) {
414 and return; 628 my $key = "$_[0]/$_[1]";
415 629
416 # always fsync - this file is important 630 cf::sync_job {
417 aio_fsync $fh 631 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 632
420 # touch it again to show we are up-to-date 633 $! ? ()
421 utime undef, undef, $fh; 634 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
432} 711}
433 712
434=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
435 714
436Log a datalog packet of the given type with the given key-value pairs. 715Log a datalog packet of the given type with the given key-value pairs.
… …
448 727
449############################################################################# 728#############################################################################
450 729
451=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
452 731
453Many objects in crossfire are so-called attachable objects. That means you can 732Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
456 735
457In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 738Deliantra).
460 739
461=over 4 740=over 4
462 741
463=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
464 743
… …
508=item cf::CLASS::attachment $name, ... 787=item cf::CLASS::attachment $name, ...
509 788
510Register an attachment by C<$name> through which attachable objects of the 789Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 790given CLASS can refer to this attachment.
512 791
513Some classes such as crossfire maps and objects can specify attachments 792Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 793that are attached at load/instantiate time, thus the need for a name.
515 794
516These calls expect any number of the following handler/hook descriptions: 795These calls expect any number of the following handler/hook descriptions:
517 796
518=over 4 797=over 4
… …
666 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
667 } 946 }
668 947
669 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
670 } else { 949 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 951 }
673 952
674 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
675} 954}
676 955
… …
716 "; 995 ";
717 die if $@; 996 die if $@;
718} 997}
719 998
720our $override; 999our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 1001
723sub override { 1002sub override {
724 $override = 1; 1003 $override = 1;
725 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
726} 1005}
727 1006
728sub do_invoke { 1007sub do_invoke {
729 my $event = shift; 1008 my $event = shift;
730 my $callbacks = shift; 1009 my $callbacks = shift;
731 1010
732 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
733 1012
734 local $override; 1013 local $override;
735 1014
736 for (@$callbacks) { 1015 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
… …
746 } 1025 }
747 1026
748 0 1027 0
749} 1028}
750 1029
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1031
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1033
755Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
756 1035
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1039
761=back 1040=back
762 1041
763=cut 1042=cut
764 1043
765############################################################################# 1044#############################################################################
766# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
767 1088
768sub reattach { 1089sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1091 my ($obj) = @_;
771 1092
1093 # no longer needed after getting rid of delete_package?
772 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773 1095
774 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
775 1097
776 @$registry = (); 1098 @$registry = ();
777 1099
… …
792cf::attachable->attach ( 1114cf::attachable->attach (
793 prio => -1000000, 1115 prio => -1000000,
794 on_instantiate => sub { 1116 on_instantiate => sub {
795 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
796 1118
797 $data = from_json $data; 1119 $data = decode_json $data;
798 1120
799 for (@$data) { 1121 for (@$data) {
800 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
801 1123
802 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
… …
818sub object_freezer_save { 1140sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
820 1142
821 sync_job { 1143 sync_job {
822 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
825 1148
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1153 aio_close $fh;
831 1154
832 if (@$objs) { 1155 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1161 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
840 } 1163 }
841 } else { 1164 } else {
842 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
843 } 1166 }
844 1167
845 aio_rename "$filename~", $filename; 1168 aio_rename "$filename~", $filename;
1169
1170 $filename =~ s%/[^/]+$%%;
1171 aio_pathsync $filename if $cf::USE_FSYNC;
846 } else { 1172 } else {
847 warn "FATAL: $filename~: $!\n"; 1173 warn "unable to save objects: $filename~: $!\n";
848 } 1174 }
849 } else { 1175 } else {
850 aio_unlink $filename; 1176 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
852 } 1178 }
853 } 1179 };
854} 1180}
855 1181
856sub object_freezer_as_string { 1182sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1183 my ($rdata, $objs) = @_;
858 1184
… …
870 or return; 1196 or return;
871 1197
872 unless (aio_stat "$filename.pst") { 1198 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1199 (aio_load "$filename.pst", $av) >= 0
874 or return; 1200 or return;
1201
875 $av = eval { (Storable::thaw $av)->{objs} }; 1202 my $st = eval { Coro::Storable::thaw $av };
1203 $av = $st->{objs};
876 } 1204 }
877 1205
1206 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1207 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1208 $decname, length $data, scalar @{$av || []};
1209
880 return ($data, $av); 1210 ($data, $av)
881} 1211}
1212
1213=head2 COMMAND CALLBACKS
1214
1215=over 4
1216
1217=cut
882 1218
883############################################################################# 1219#############################################################################
884# command handling &c 1220# command handling &c
885 1221
886=item cf::register_command $name => \&callback($ob,$args); 1222=item cf::register_command $name => \&callback($ob,$args);
… …
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1235 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1236}
901 1237
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1238=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1239
904Register a callbackf ro execution when the client sends an extcmd packet. 1240Register a callback for execution when the client sends an (synchronous)
1241extcmd packet. Ext commands will be processed in the order they are
1242received by the server, like other user commands. The first argument is
1243the logged-in player. Ext commands can only be processed after a player
1244has logged in successfully.
905 1245
906If the callback returns something, it is sent back as if reply was being 1246If the callback returns something, it is sent back as if reply was being
907called. 1247called.
908 1248
1249=item cf::register_exticmd $name => \&callback($ns,$packet);
1250
1251Register a callback for execution when the client sends an (asynchronous)
1252exticmd packet. Exti commands are processed by the server as soon as they
1253are received, i.e. out of order w.r.t. other commands. The first argument
1254is a client socket. Exti commands can be received anytime, even before
1255log-in.
1256
1257If the callback returns something, it is sent back as if reply was being
1258called.
1259
909=cut 1260=cut
910 1261
911sub register_extcmd { 1262sub register_extcmd {
912 my ($name, $cb) = @_; 1263 my ($name, $cb) = @_;
913 1264
914 $EXTCMD{$name} = $cb; 1265 $EXTCMD{$name} = $cb;
915} 1266}
1267
1268sub register_exticmd {
1269 my ($name, $cb) = @_;
1270
1271 $EXTICMD{$name} = $cb;
1272}
1273
1274use File::Glob ();
916 1275
917cf::player->attach ( 1276cf::player->attach (
918 on_command => sub { 1277 on_command => sub {
919 my ($pl, $name, $params) = @_; 1278 my ($pl, $name, $params) = @_;
920 1279
… …
928 cf::override; 1287 cf::override;
929 }, 1288 },
930 on_extcmd => sub { 1289 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1290 my ($pl, $buf) = @_;
932 1291
933 my $msg = eval { from_json $buf }; 1292 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1293
935 if (ref $msg) { 1294 if (ref $msg) {
1295 my ($type, $reply, @payload) =
1296 "ARRAY" eq ref $msg
1297 ? @$msg
1298 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1299
1300 my @reply;
1301
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1302 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1303 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1304 }
1305
1306 $pl->ext_reply ($reply, @reply)
1307 if $reply;
1308
941 } else { 1309 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1310 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1311 }
944 1312
945 cf::override; 1313 cf::override;
946 }, 1314 },
947); 1315);
948 1316
1317# "readahead" all extensions
949sub load_extension { 1318sub cache_extensions {
950 my ($path) = @_; 1319 my $grp = IO::AIO::aio_group;
951 1320
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1321 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
953 my $base = $1; 1322 for (grep /\.ext$/, @{$_[0]}) {
954 my $pkg = $1; 1323 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 } 1324 }
977 die $@;
978 } 1325 };
979 1326
980 push @EXTS, $pkg; 1327 $grp
981} 1328}
982 1329
983sub load_extensions { 1330sub load_extensions {
1331 cf::sync_job {
1332 my %todo;
1333
984 for my $ext (<$LIBDIR/*.ext>) { 1334 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1335 next unless -r $path;
986 eval { 1336
987 load_extension $ext; 1337 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1338 my $base = $1;
1339 my $pkg = $1;
1340 $pkg =~ s/[^[:word:]]/_/g;
1341 $pkg = "ext::$pkg";
1342
1343 open my $fh, "<:utf8", $path
1344 or die "$path: $!";
1345
1346 my $source = do { local $/; <$fh> };
1347
1348 my %ext = (
1349 path => $path,
1350 base => $base,
1351 pkg => $pkg,
1352 );
1353
1354 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1355 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1356
1357 $ext{source} =
1358 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1359 . "#line 1 \"$path\"\n{\n"
1360 . $source
1361 . "\n};\n1";
1362
1363 $todo{$base} = \%ext;
1364 }
1365
1366 my %done;
1367 while (%todo) {
1368 my $progress;
1369
1370 while (my ($k, $v) = each %todo) {
1371 for (split /,\s*/, $v->{meta}{depends}) {
1372 goto skip
1373 unless exists $done{$_};
1374 }
1375
1376 warn "... loading '$k' into '$v->{pkg}'\n";
1377
1378 unless (eval $v->{source}) {
1379 my $msg = $@ ? "$v->{path}: $@\n"
1380 : "$v->{base}: extension inactive.\n";
1381
1382 if (exists $v->{meta}{mandatory}) {
1383 warn $msg;
1384 cf::cleanup "mandatory extension failed to load, exiting.";
1385 }
1386
1387 warn $msg;
1388 }
1389
1390 $done{$k} = delete $todo{$k};
1391 push @EXTS, $v->{pkg};
1392 $progress = 1;
988 1 1393 }
989 } or warn "$ext not loaded: $@"; 1394
1395 skip:
1396 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1397 unless $progress;
1398 }
990 } 1399 };
991} 1400}
992 1401
993############################################################################# 1402#############################################################################
994 1403
1404=back
1405
995=head2 CORE EXTENSIONS 1406=head2 CORE EXTENSIONS
996 1407
997Functions and methods that extend core crossfire objects. 1408Functions and methods that extend core deliantra objects.
998 1409
999=cut 1410=cut
1000 1411
1001package cf::player; 1412package cf::player;
1002 1413
1003use Coro::AIO; 1414use Coro::AIO;
1004 1415
1005=head3 cf::player 1416=head3 cf::player
1006 1417
1007=over 4 1418=over 4
1419
1420=item cf::player::num_playing
1421
1422Returns the official number of playing players, as per the Crossfire metaserver rules.
1423
1424=cut
1425
1426sub num_playing {
1427 scalar grep
1428 $_->ob->map
1429 && !$_->hidden
1430 && !$_->ob->flag (cf::FLAG_WIZ),
1431 cf::player::list
1432}
1008 1433
1009=item cf::player::find $login 1434=item cf::player::find $login
1010 1435
1011Returns the given player object, loading it if necessary (might block). 1436Returns the given player object, loading it if necessary (might block).
1012 1437
… …
1031 1456
1032sub exists($) { 1457sub exists($) {
1033 my ($login) = @_; 1458 my ($login) = @_;
1034 1459
1035 $cf::PLAYER{$login} 1460 $cf::PLAYER{$login}
1036 or cf::sync_job { !aio_stat path $login } 1461 or !aio_stat path $login
1037} 1462}
1038 1463
1039sub find($) { 1464sub find($) {
1040 return $cf::PLAYER{$_[0]} || do { 1465 return $cf::PLAYER{$_[0]} || do {
1041 my $login = $_[0]; 1466 my $login = $_[0];
… …
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1473 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1474 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1475 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1476 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1477
1053 my $pl = load_pl path $login 1478 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1479 or return;
1480
1481 my $pl = cf::player::load_pl $f
1482 or return;
1483
1484 local $cf::PLAYER_LOADING{$login} = $pl;
1485 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1486 $cf::PLAYER{$login} = $pl
1056 } 1487 }
1057 } 1488 }
1058} 1489}
1059 1490
… …
1068 return if $pl->{deny_save}; 1499 return if $pl->{deny_save};
1069 1500
1070 aio_mkdir playerdir $pl, 0770; 1501 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1502 $pl->{last_save} = $cf::RUNTIME;
1072 1503
1504 cf::get_slot 0.01;
1505
1073 $pl->save_pl ($path); 1506 $pl->save_pl ($path);
1074 Coro::cede; 1507 cf::cede_to_tick;
1075} 1508}
1076 1509
1077sub new($) { 1510sub new($) {
1078 my ($login) = @_; 1511 my ($login) = @_;
1079 1512
… …
1085 $cf::PLAYER{$login} = $self; 1518 $cf::PLAYER{$login} = $self;
1086 1519
1087 $self 1520 $self
1088} 1521}
1089 1522
1523=item $player->send_msg ($channel, $msg, $color, [extra...])
1524
1525=cut
1526
1527sub send_msg {
1528 my $ns = shift->ns
1529 or return;
1530 $ns->send_msg (@_);
1531}
1532
1090=item $pl->quit_character 1533=item $pl->quit_character
1091 1534
1092Nukes the player without looking back. If logged in, the connection will 1535Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1536be destroyed. May block for a long time.
1094 1537
… …
1098 my ($pl) = @_; 1541 my ($pl) = @_;
1099 1542
1100 my $name = $pl->ob->name; 1543 my $name = $pl->ob->name;
1101 1544
1102 $pl->{deny_save} = 1; 1545 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1546 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1104 1547
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1548 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1549 $pl->deactivate;
1550 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1551 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1552 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1553 $pl->ns->destroy if $pl->ns;
1109 1554
1110 my $path = playerdir $pl; 1555 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1556 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1147 or return []; 1592 or return [];
1148 1593
1149 my @logins; 1594 my @logins;
1150 1595
1151 for my $login (@$dirs) { 1596 for my $login (@$dirs) {
1597 my $path = path $login;
1598
1599 # a .pst is a dead give-away for a valid player
1600 # if no pst file found, open and chekc for blocked users
1601 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1602 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1603 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1604 $buf !~ /^password -------------$/m or next; # official not-valid tag
1605 }
1155 1606
1156 utf8::decode $login; 1607 utf8::decode $login;
1157 push @logins, $login; 1608 push @logins, $login;
1158 } 1609 }
1159 1610
… …
1186 } 1637 }
1187 1638
1188 \@paths 1639 \@paths
1189} 1640}
1190 1641
1642=item $protocol_xml = $player->expand_cfpod ($cfpod)
1643
1644Expand deliantra pod fragments into protocol xml.
1645
1191=item $player->ext_reply ($msgid, %msg) 1646=item $player->ext_reply ($msgid, @msg)
1192 1647
1193Sends an ext reply to the player. 1648Sends an ext reply to the player.
1194 1649
1195=cut 1650=cut
1196 1651
1197sub ext_reply($$%) { 1652sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1653 my ($self, $id, @msg) = @_;
1199 1654
1200 $msg{msgid} = $id; 1655 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1656}
1204 1657
1205=item $player->ext_event ($type, %msg) 1658=item $player->ext_msg ($type, @msg)
1206 1659
1207Sends an ext event to the client. 1660Sends an ext event to the client.
1208 1661
1209=cut 1662=cut
1210 1663
1211sub ext_event($$%) { 1664sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1665 my ($self, $type, @msg) = @_;
1213 1666
1214 $self->ns->ext_event ($type, %msg); 1667 $self->ns->ext_msg ($type, @msg);
1215} 1668}
1216 1669
1217=head3 cf::region 1670=head3 cf::region
1218 1671
1219=over 4 1672=over 4
… …
1222 1675
1223package cf::region; 1676package cf::region;
1224 1677
1225=item cf::region::find_by_path $path 1678=item cf::region::find_by_path $path
1226 1679
1227Tries to decuce the probable region for a map knowing only its path. 1680Tries to decuce the likely region for a map knowing only its path.
1228 1681
1229=cut 1682=cut
1230 1683
1231sub find_by_path($) { 1684sub find_by_path($) {
1232 my ($path) = @_; 1685 my ($path) = @_;
1233 1686
1234 my ($match, $specificity); 1687 my ($match, $specificity);
1235 1688
1236 for my $region (list) { 1689 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1690 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1691 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1692 if $region->specificity > $specificity;
1240 } 1693 }
1241 } 1694 }
1242 1695
… …
1263our $MAX_RESET = 3600; 1716our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1717our $DEFAULT_RESET = 3000;
1265 1718
1266sub generate_random_map { 1719sub generate_random_map {
1267 my ($self, $rmp) = @_; 1720 my ($self, $rmp) = @_;
1721
1722 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1723
1268 # mit "rum" bekleckern, nicht 1724 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1725 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1726 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1727 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1728 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1306 my ($self, $merge) = @_; 1762 my ($self, $merge) = @_;
1307 1763
1308 # we have to keep some variables in memory intact 1764 # we have to keep some variables in memory intact
1309 local $self->{path}; 1765 local $self->{path};
1310 local $self->{load_path}; 1766 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1767
1314 $self->SUPER::thawer_merge ($merge); 1768 $self->SUPER::thawer_merge ($merge);
1315} 1769}
1316 1770
1317sub normalise { 1771sub normalise {
… …
1364 $self->init; # pass $1 etc. 1818 $self->init; # pass $1 etc.
1365 return $self; 1819 return $self;
1366 } 1820 }
1367 } 1821 }
1368 1822
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1823 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1824 ()
1371} 1825}
1372 1826
1373sub init { 1827sub init {
1374 my ($self) = @_; 1828 my ($self) = @_;
… …
1396 1850
1397# the temporary/swap location 1851# the temporary/swap location
1398sub save_path { 1852sub save_path {
1399 my ($self) = @_; 1853 my ($self) = @_;
1400 1854
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1855 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1856 "$TMPDIR/$path.map"
1403} 1857}
1404 1858
1405# the unique path, undef == no special unique path 1859# the unique path, undef == no special unique path
1406sub uniq_path { 1860sub uniq_path {
1407 my ($self) = @_; 1861 my ($self) = @_;
1408 1862
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1864 "$UNIQUEDIR/$path"
1411} 1865}
1412 1866
1413# and all this just because we cannot iterate over 1867# and all this just because we cannot iterate over
1414# all maps in C++... 1868# all maps in C++...
… …
1417 1871
1418 $_->change_map_light ($change) 1872 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1873 for grep $_->outdoor, values %cf::MAP;
1420} 1874}
1421 1875
1876sub decay_objects {
1877 my ($self) = @_;
1878
1879 return if $self->{deny_reset};
1880
1881 $self->do_decay_objects;
1882}
1883
1422sub unlink_save { 1884sub unlink_save {
1423 my ($self) = @_; 1885 my ($self) = @_;
1424 1886
1425 utf8::encode (my $save = $self->save_path); 1887 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1888 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1429 1891
1430sub load_header_from($) { 1892sub load_header_from($) {
1431 my ($self, $path) = @_; 1893 my ($self, $path) = @_;
1432 1894
1433 utf8::encode $path; 1895 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1896 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1897 or return;
1898
1899 $self->_load_header ($f)
1900 or return;
1901
1902 local $MAP_LOADING{$self->{path}} = $self;
1903 $f->resolve_delayed_derefs;
1439 1904
1440 $self->{load_path} = $path; 1905 $self->{load_path} = $path;
1441 1906
1442 1 1907 1
1443} 1908}
… …
1482 $self->load_header_orig 1947 $self->load_header_orig
1483 or return; 1948 or return;
1484 $self->prepare_orig; 1949 $self->prepare_orig;
1485 } 1950 }
1486 1951
1952 $self->{deny_reset} = 1
1953 if $self->no_reset;
1954
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1955 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1956 unless $self->default_region;
1489 1957
1490 1 1958 1
1491} 1959}
… …
1494sub find { 1962sub find {
1495 my ($path, $origin) = @_; 1963 my ($path, $origin) = @_;
1496 1964
1497 $path = normalise $path, $origin && $origin->path; 1965 $path = normalise $path, $origin && $origin->path;
1498 1966
1967 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1968 my $guard2 = cf::lock_acquire "map_find:$path";
1500 1969
1501 $cf::MAP{$path} || do { 1970 $cf::MAP{$path} || do {
1502 my $guard = cf::lock_acquire "map_find:$path";
1503 my $map = new_from_path cf::map $path 1971 my $map = new_from_path cf::map $path
1504 or return; 1972 or return;
1505 1973
1506 $map->{last_save} = $cf::RUNTIME; 1974 $map->{last_save} = $cf::RUNTIME;
1507 1975
1508 $map->load_header 1976 $map->load_header
1509 or return; 1977 or return;
1510 1978
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1979 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1980 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1981 #$cf::WAIT_FOR_TICK->wait;
1982 undef $guard2;
1983 undef $guard1;
1514 $map->reset; 1984 $map->reset;
1515 undef $guard;
1516 return find $path; 1985 return find $path;
1517 } 1986 }
1518 1987
1519 $cf::MAP{$path} = $map 1988 $cf::MAP{$path} = $map
1520 } 1989 }
… …
1529 local $self->{deny_reset} = 1; # loading can take a long time 1998 local $self->{deny_reset} = 1; # loading can take a long time
1530 1999
1531 my $path = $self->{path}; 2000 my $path = $self->{path};
1532 2001
1533 { 2002 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2003 my $guard = cf::lock_acquire "map_data:$path";
1535 2004
2005 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2006 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2007
1538 $self->in_memory (cf::MAP_LOADING); 2008 $self->in_memory (cf::MAP_LOADING);
1539 2009
1540 $self->alloc; 2010 $self->alloc;
1541 2011
1542 $self->pre_load; 2012 $self->pre_load;
1543 Coro::cede; 2013 cf::cede_to_tick;
1544 2014
2015 my $f = new_from_file cf::object::thawer $self->{load_path};
2016 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2017 $self->_load_objects ($f)
1546 or return; 2018 or return;
1547 2019
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2020 $self->post_load_original
1549 if delete $self->{load_original}; 2021 if delete $self->{load_original};
1550 2022
1551 if (my $uniq = $self->uniq_path) { 2023 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2024 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2025 unless (aio_stat $uniq) {
2026 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2027 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2028 $self->_load_objects ($f);
2029 $f->resolve_delayed_derefs;
2030 }
1556 } 2031 }
1557 } 2032 }
1558 2033
1559 Coro::cede; 2034 $f->resolve_delayed_derefs;
2035
2036 cf::cede_to_tick;
1560 # now do the right thing for maps 2037 # now do the right thing for maps
1561 $self->link_multipart_objects; 2038 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2039 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2040 unless $self->difficulty;
1564 Coro::cede; 2041 cf::cede_to_tick;
1565 2042
1566 unless ($self->{deny_activate}) { 2043 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2044 $self->decay_objects;
1568 $self->fix_auto_apply; 2045 $self->fix_auto_apply;
1569 $self->update_buttons; 2046 $self->update_buttons;
1570 Coro::cede; 2047 cf::cede_to_tick;
1571 $self->set_darkness_map; 2048 $self->set_darkness_map;
1572 Coro::cede; 2049 cf::cede_to_tick;
1573 $self->activate; 2050 $self->activate;
1574 } 2051 }
1575 2052
2053 $self->{last_save} = $cf::RUNTIME;
2054 $self->last_access ($cf::RUNTIME);
2055
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2057 }
1578 2058
1579 $self->post_load; 2059 $self->post_load;
1580} 2060}
1581 2061
… …
1583 my ($self, $ob) = @_; 2063 my ($self, $ob) = @_;
1584 2064
1585 return find "~" . $ob->name . "/" . $self->{path} 2065 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2066 if $self->per_player;
1587 2067
2068# return find "?party/" . $ob->name . "/" . $self->{path}
2069# if $self->per_party;
2070
1588 $self 2071 $self
1589} 2072}
1590 2073
1591# find and load all maps in the 3x3 area around a map 2074# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2075sub load_neighbours {
1593 my ($map) = @_; 2076 my ($map) = @_;
1594 2077
1595 my @diag; # diagonal neighbours 2078 my @neigh; # diagonal neighbours
1596 2079
1597 for (0 .. 3) { 2080 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2081 my $neigh = $map->tile_path ($_)
1599 or next; 2082 or next;
1600 $neigh = find $neigh, $map 2083 $neigh = find $neigh, $map
1601 or next; 2084 or next;
1602 $neigh->load; 2085 $neigh->load;
1603 2086
2087 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2088 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2089 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2090 }
1607 2091
1608 for (@diag) { 2092 for (grep defined $_->[0], @neigh) {
2093 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2094 my $neigh = find $path, $origin
1610 or next; 2095 or next;
1611 $neigh->load; 2096 $neigh->load;
1612 } 2097 }
1613} 2098}
1614 2099
… …
1619} 2104}
1620 2105
1621sub do_load_sync { 2106sub do_load_sync {
1622 my ($map) = @_; 2107 my ($map) = @_;
1623 2108
2109 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2110 if $Coro::current == $Coro::main;
2111
1624 cf::sync_job { $map->load }; 2112 cf::sync_job { $map->load };
1625} 2113}
1626 2114
1627our %MAP_PREFETCH; 2115our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2116our $MAP_PREFETCHER = undef;
1629 2117
1630sub find_async { 2118sub find_async {
1631 my ($path, $origin) = @_; 2119 my ($path, $origin, $load) = @_;
1632 2120
1633 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
1634 2122
1635 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2125 }
1638 2126
1639 undef $MAP_PREFETCH{$path}; 2127 $MAP_PREFETCH{$path} |= $load;
2128
1640 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2130 $Coro::current->{desc} = "map prefetcher";
2131
1641 while (%MAP_PREFETCH) { 2132 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2133 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2134 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2135 $map->load if $v;
2136 }
1646 2137
1647 delete $MAP_PREFETCH{$path}; 2138 delete $MAP_PREFETCH{$k};
1648 } 2139 }
1649 } 2140 }
1650 undef $MAP_PREFETCHER; 2141 undef $MAP_PREFETCHER;
1651 }; 2142 };
1652 $MAP_PREFETCHER->prio (6); 2143 $MAP_PREFETCHER->prio (6);
… …
1655} 2146}
1656 2147
1657sub save { 2148sub save {
1658 my ($self) = @_; 2149 my ($self) = @_;
1659 2150
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2151 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2152
1662 $self->{last_save} = $cf::RUNTIME; 2153 $self->{last_save} = $cf::RUNTIME;
1663 2154
1664 return unless $self->dirty; 2155 return unless $self->dirty;
1665 2156
… …
1671 return if $self->{deny_save}; 2162 return if $self->{deny_save};
1672 2163
1673 local $self->{last_access} = $self->last_access;#d# 2164 local $self->{last_access} = $self->last_access;#d#
1674 2165
1675 cf::async { 2166 cf::async {
2167 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
1677 }; 2169 };
2170
2171 cf::get_slot 0.02;
1678 2172
1679 if ($uniq) { 2173 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2176 } else {
… …
1688 my ($self) = @_; 2182 my ($self) = @_;
1689 2183
1690 # save first because save cedes 2184 # save first because save cedes
1691 $self->save; 2185 $self->save;
1692 2186
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2188
1695 return if $self->players; 2189 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2191 return if $self->{deny_save};
1698 2192
2193 $self->in_memory (cf::MAP_SWAPPED);
2194
2195 $self->deactivate;
2196 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2197 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2198}
1702 2199
1703sub reset_at { 2200sub reset_at {
1704 my ($self) = @_; 2201 my ($self) = @_;
1705 2202
1706 # TODO: safety, remove and allow resettable per-player maps 2203 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2204 return 1e99 if $self->{deny_reset};
1709 2205
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2206 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2207 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2208
… …
1723 my ($self) = @_; 2219 my ($self) = @_;
1724 2220
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2222
1727 return if $self->players; 2223 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2224
1730 warn "resetting map ", $self->path;#d# 2225 warn "resetting map ", $self->path;
1731 2226
1732 $self->in_memory (cf::MAP_SWAPPED); 2227 $self->in_memory (cf::MAP_SWAPPED);
1733 2228
1734 # need to save uniques path 2229 # need to save uniques path
1735 unless ($self->{deny_save}) { 2230 unless ($self->{deny_save}) {
… …
1739 if $uniq; 2234 if $uniq;
1740 } 2235 }
1741 2236
1742 delete $cf::MAP{$self->path}; 2237 delete $cf::MAP{$self->path};
1743 2238
2239 $self->deactivate;
2240 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2241 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2242
1748 $self->unlink_save; 2243 $self->unlink_save;
1749 $self->destroy; 2244 $self->destroy;
1750} 2245}
1751 2246
1752my $nuke_counter = "aaaa"; 2247my $nuke_counter = "aaaa";
1753 2248
1754sub nuke { 2249sub nuke {
1755 my ($self) = @_; 2250 my ($self) = @_;
1756 2251
2252 {
2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2254
1757 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1758 2256
1759 $self->unlink_save; 2257 $self->unlink_save;
1760 2258
1761 bless $self, "cf::map"; 2259 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2260 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2261 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2262 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2263 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2264
1767 $cf::MAP{$self->path} = $self; 2265 $cf::MAP{$self->path} = $self;
2266 }
1768 2267
1769 $self->reset; # polite request, might not happen 2268 $self->reset; # polite request, might not happen
2269}
2270
2271=item $maps = cf::map::tmp_maps
2272
2273Returns an arrayref with all map paths of currently instantiated and saved
2274maps. May block.
2275
2276=cut
2277
2278sub tmp_maps() {
2279 [
2280 map {
2281 utf8::decode $_;
2282 /\.map$/
2283 ? normalise $_
2284 : ()
2285 } @{ aio_readdir $TMPDIR or [] }
2286 ]
2287}
2288
2289=item $maps = cf::map::random_maps
2290
2291Returns an arrayref with all map paths of currently instantiated and saved
2292random maps. May block.
2293
2294=cut
2295
2296sub random_maps() {
2297 [
2298 map {
2299 utf8::decode $_;
2300 /\.map$/
2301 ? normalise "?random/$_"
2302 : ()
2303 } @{ aio_readdir $RANDOMDIR or [] }
2304 ]
1770} 2305}
1771 2306
1772=item cf::map::unique_maps 2307=item cf::map::unique_maps
1773 2308
1774Returns an arrayref of paths of all shared maps that have 2309Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2310instantiated unique items. May block.
1776 2311
1777=cut 2312=cut
1778 2313
1779sub unique_maps() { 2314sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2315 [
1781 or return; 2316 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2317 utf8::decode $_;
1787 next if /\.pst$/; 2318 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2320 ? ()
1790 push @paths, cf::map::normalise $_; 2321 : normalise $_
2322 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2323 ]
1792
1793 \@paths
1794} 2324}
1795
1796package cf;
1797 2325
1798=back 2326=back
1799 2327
1800=head3 cf::object 2328=head3 cf::object
1801 2329
… …
1805 2333
1806=over 4 2334=over 4
1807 2335
1808=item $ob->inv_recursive 2336=item $ob->inv_recursive
1809 2337
1810Returns the inventory of the object _and_ their inventories, recursively. 2338Returns the inventory of the object I<and> their inventories, recursively,
2339but I<not> the object itself.
1811 2340
1812=cut 2341=cut
1813 2342
1814sub inv_recursive_; 2343sub inv_recursive_;
1815sub inv_recursive_ { 2344sub inv_recursive_ {
… …
1818 2347
1819sub inv_recursive { 2348sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
1821} 2350}
1822 2351
2352=item $ref = $ob->ref
2353
2354Creates and returns a persistent reference to an object that can be stored as a string.
2355
2356=item $ob = cf::object::deref ($refstring)
2357
2358returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2359even if the object actually exists. May block.
2360
2361=cut
2362
2363sub deref {
2364 my ($ref) = @_;
2365
2366 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2367 my ($uuid, $name) = ($1, $2);
2368 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2369 or return;
2370 $pl->ob->uuid eq $uuid
2371 or return;
2372
2373 $pl->ob
2374 } else {
2375 warn "$ref: cannot resolve object reference\n";
2376 undef
2377 }
2378}
2379
1823package cf; 2380package cf;
1824 2381
1825=back 2382=back
1826 2383
1827=head3 cf::object::player 2384=head3 cf::object::player
… …
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2390Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2391can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2392dialogue with the given NPC character.
1836 2393
1837=cut 2394=cut
2395
2396our $SAY_CHANNEL = {
2397 id => "say",
2398 title => "Map",
2399 reply => "say ",
2400 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2401};
2402
2403our $CHAT_CHANNEL = {
2404 id => "chat",
2405 title => "Chat",
2406 reply => "chat ",
2407 tooltip => "Player chat and shouts, global to the server.",
2408};
1838 2409
1839# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2411# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2412#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
… …
1844 2415
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2416 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2417
1847 if ($self->{record_replies}) { 2418 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2419 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2420
1849 } else { 2421 } else {
2422 my $pl = $self->contr;
2423
2424 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2425 my $dialog = $pl->{npc_dialog};
2426 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2427
2428 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2431 }
1852 } 2432 }
2433}
2434
2435=item $object->send_msg ($channel, $msg, $color, [extra...])
2436
2437=cut
2438
2439sub cf::object::send_msg {
2440 my $pl = shift->contr
2441 or return;
2442 $pl->send_msg (@_);
1853} 2443}
1854 2444
1855=item $player_object->may ("access") 2445=item $player_object->may ("access")
1856 2446
1857Returns wether the given player is authorized to access resource "access" 2447Returns wether the given player is authorized to access resource "access"
… …
1870 2460
1871=item $player_object->enter_link 2461=item $player_object->enter_link
1872 2462
1873Freezes the player and moves him/her to a special map (C<{link}>). 2463Freezes the player and moves him/her to a special map (C<{link}>).
1874 2464
1875The player should be reasonably safe there for short amounts of time. You 2465The player should be reasonably safe there for short amounts of time (e.g.
1876I<MUST> call C<leave_link> as soon as possible, though. 2466for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2467though, as the palyer cannot control the character while it is on the link
2468map.
1877 2469
1878Will never block. 2470Will never block.
1879 2471
1880=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
1881 2473
… …
1904 $self->deactivate_recursive; 2496 $self->deactivate_recursive;
1905 2497
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2498 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2499
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2500 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2501 if $self->map && $self->map->{path} ne "{link}";
1910 2502
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2503 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2504}
1913 2505
1914sub cf::object::player::leave_link { 2506sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2507 my ($self, $map, $x, $y) = @_;
2508
2509 return unless $self->contr->active;
1916 2510
1917 my $link_pos = delete $self->{_link_pos}; 2511 my $link_pos = delete $self->{_link_pos};
1918 2512
1919 unless ($map) { 2513 unless ($map) {
1920 # restore original map position 2514 # restore original map position
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2528 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2529 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2530 if $x <=0 && $y <= 0;
1937 2531
1938 $map->load; 2532 $map->load;
1939 $map->load_diag; 2533 $map->load_neighbours;
1940 2534
1941 return unless $self->contr->active; 2535 return unless $self->contr->active;
2536 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942 $self->activate_recursive; 2537 $self->activate_recursive;
1943 2538
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2539 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2540 $self->enter_map ($map, $x, $y);
1946} 2541}
1947 2542
1948cf::player->attach ( 2543=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 on_logout => sub {
1950 my ($pl) = @_;
1951 2544
1952 # abort map switching before logout 2545Moves the player to the given map-path and coordinates by first freezing
1953 if ($pl->ob->{_link_pos}) { 2546her, loading and preparing them map, calling the provided $check callback
1954 cf::sync_job { 2547that has to return the map if sucecssful, and then unfreezes the player on
1955 $pl->ob->leave_link 2548the new (success) or old (failed) map position. In either case, $done will
1956 }; 2549be called at the end of this process.
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961 2550
1962 # try to abort aborted map switching on player login :) 2551Note that $check will be called with a potentially non-loaded map, so if
1963 # should happen only on crashes 2552it needs a loaded map it has to call C<< ->load >>.
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979 2553
1980=item $player_object->goto ($path, $x, $y)
1981
1982=cut 2554=cut
2555
2556our $GOTOGEN;
1983 2557
1984sub cf::object::player::goto { 2558sub cf::object::player::goto {
1985 my ($self, $path, $x, $y) = @_; 2559 my ($self, $path, $x, $y, $check, $done) = @_;
2560
2561 # do generation counting so two concurrent goto's will be executed in-order
2562 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986 2563
1987 $self->enter_link; 2564 $self->enter_link;
1988 2565
1989 (async { 2566 (async {
2567 $Coro::current->{desc} = "player::goto $path $x $y";
2568
2569 # *tag paths override both path and x|y
2570 if ($path =~ /^\*(.*)$/) {
2571 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2572 my $ob = $obs[rand @obs];
2573
2574 # see if we actually can go there
2575 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2576 $ob = $obs[rand @obs];
2577 } else {
2578 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2579 }
2580 # else put us there anyways for now #d#
2581
2582 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2583 } else {
2584 ($path, $x, $y) = (undef, undef, undef);
2585 }
2586 }
2587
1990 my $map = eval { 2588 my $map = eval {
1991 my $map = cf::map::find $path; 2589 my $map = defined $path ? cf::map::find $path : undef;
2590
2591 if ($map) {
1992 $map = $map->customise_for ($self) if $map; 2592 $map = $map->customise_for ($self);
2593 $map = $check->($map) if $check && $map;
2594 } else {
2595 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2596 }
2597
1993 $map 2598 $map
2599 };
2600
2601 if ($@) {
2602 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2603 LOG llevError | logBacktrace, Carp::longmess $@;
1994 } or 2604 }
1995 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996 2605
2606 if ($gen == $self->{_goto_generation}) {
2607 delete $self->{_goto_generation};
1997 $self->leave_link ($map, $x, $y); 2608 $self->leave_link ($map, $x, $y);
2609 }
2610
2611 $done->() if $done;
1998 })->prio (1); 2612 })->prio (1);
1999} 2613}
2000 2614
2001=item $player_object->enter_exit ($exit_object) 2615=item $player_object->enter_exit ($exit_object)
2002 2616
… …
2022} 2636}
2023 2637
2024sub prepare_random_map { 2638sub prepare_random_map {
2025 my ($exit) = @_; 2639 my ($exit) = @_;
2026 2640
2027 my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029 # all this does is basically replace the /! path by 2641 # all this does is basically replace the /! path by
2030 # a new random map path (?random/...) with a seed 2642 # a new random map path (?random/...) with a seed
2031 # that depends on the exit object 2643 # that depends on the exit object
2032 2644
2033 my $rmp = parse_random_map_params $exit->msg; 2645 my $rmp = parse_random_map_params $exit->msg;
… …
2035 if ($exit->map) { 2647 if ($exit->map) {
2036 $rmp->{region} = $exit->region->name; 2648 $rmp->{region} = $exit->region->name;
2037 $rmp->{origin_map} = $exit->map->path; 2649 $rmp->{origin_map} = $exit->map->path;
2038 $rmp->{origin_x} = $exit->x; 2650 $rmp->{origin_x} = $exit->x;
2039 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2652
2653 $exit->map->touch;
2040 } 2654 }
2041 2655
2042 $rmp->{random_seed} ||= $exit->random_seed; 2656 $rmp->{random_seed} ||= $exit->random_seed;
2043 2657
2044 my $data = cf::to_json $rmp; 2658 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045 my $md5 = Digest::MD5::md5_hex $data; 2659 my $md5 = Digest::MD5::md5_hex $data;
2046 my $meta = "$RANDOMDIR/$md5.meta"; 2660 my $meta = "$RANDOMDIR/$md5.meta";
2047 2661
2048 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2662 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049 aio_write $fh, 0, (length $data), $data, 0; 2663 aio_write $fh, 0, (length $data), $data, 0;
2050 undef $fh; 2664 undef $fh;
2051 aio_rename "$meta~", $meta; 2665 aio_rename "$meta~", $meta;
2052 2666
2667 my $slaying = "?random/$md5";
2668
2669 if ($exit->valid) {
2053 $exit->slaying ("?random/$md5"); 2670 $exit->slaying ("?random/$md5");
2054 $exit->msg (undef); 2671 $exit->msg (undef);
2672 }
2055 } 2673 }
2056} 2674}
2057 2675
2058sub cf::object::player::enter_exit { 2676sub cf::object::player::enter_exit {
2059 my ($self, $exit) = @_; 2677 my ($self, $exit) = @_;
2060 2678
2061 return unless $self->type == cf::PLAYER; 2679 return unless $self->type == cf::PLAYER;
2062 2680
2063 if ($exit->slaying eq "/!") {
2064 #TODO: this should de-fi-ni-te-ly not be a sync-job
2065 # the problem is that $exit might not survive long enough
2066 # so it needs to be done right now, right here
2067 cf::sync_job { prepare_random_map $exit };
2068 }
2069
2070 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071 my $hp = $exit->stats->hp;
2072 my $sp = $exit->stats->sp;
2073
2074 $self->enter_link; 2681 $self->enter_link;
2075 2682
2076 (async { 2683 (async {
2077 $self->deactivate_recursive; # just to be sure 2684 $Coro::current->{desc} = "enter_exit";
2685
2078 unless (eval { 2686 unless (eval {
2687 $self->deactivate_recursive; # just to be sure
2688
2689 # random map handling
2690 {
2691 my $guard = cf::lock_acquire "exit_prepare:$exit";
2692
2693 prepare_random_map $exit
2694 if $exit->slaying eq "/!";
2695 }
2696
2697 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2698 my $x = $exit->stats->hp;
2699 my $y = $exit->stats->sp;
2700
2079 $self->goto ($slaying, $hp, $sp); 2701 $self->goto ($map, $x, $y);
2080 2702
2703 # if exit is damned, update players death & WoR home-position
2704 $self->contr->savebed ($map, $x, $y)
2705 if $exit->flag (cf::FLAG_DAMNED);
2706
2081 1; 2707 1
2082 }) { 2708 }) {
2083 $self->message ("Something went wrong deep within the crossfire server. " 2709 $self->message ("Something went wrong deep within the deliantra server. "
2084 . "I'll try to bring you back to the map you were before. " 2710 . "I'll try to bring you back to the map you were before. "
2085 . "Please report this to the dungeon master!", 2711 . "Please report this to the dungeon master!",
2086 cf::NDI_UNIQUE | cf::NDI_RED); 2712 cf::NDI_UNIQUE | cf::NDI_RED);
2087 2713
2088 warn "ERROR in enter_exit: $@"; 2714 warn "ERROR in enter_exit: $@";
… …
2107 2733
2108 utf8::encode $text; 2734 utf8::encode $text;
2109 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2735 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110} 2736}
2111 2737
2738=item $client->send_msg ($channel, $msg, $color, [extra...])
2739
2740Send a drawinfo or msg packet to the client, formatting the msg for the
2741client if neccessary. C<$type> should be a string identifying the type of
2742the message, with C<log> being the default. If C<$color> is negative, suppress
2743the message unless the client supports the msg packet.
2744
2745=cut
2746
2747# non-persistent channels (usually the info channel)
2748our %CHANNEL = (
2749 "c/identify" => {
2750 id => "infobox",
2751 title => "Identify",
2752 reply => undef,
2753 tooltip => "Items recently identified",
2754 },
2755 "c/examine" => {
2756 id => "infobox",
2757 title => "Examine",
2758 reply => undef,
2759 tooltip => "Signs and other items you examined",
2760 },
2761 "c/book" => {
2762 id => "infobox",
2763 title => "Book",
2764 reply => undef,
2765 tooltip => "The contents of a note or book",
2766 },
2767 "c/lookat" => {
2768 id => "infobox",
2769 title => "Look",
2770 reply => undef,
2771 tooltip => "What you saw there",
2772 },
2773 "c/who" => {
2774 id => "infobox",
2775 title => "Players",
2776 reply => undef,
2777 tooltip => "Shows players who are currently online",
2778 },
2779 "c/body" => {
2780 id => "infobox",
2781 title => "Body Parts",
2782 reply => undef,
2783 tooltip => "Shows which body parts you posess and are available",
2784 },
2785 "c/skills" => {
2786 id => "infobox",
2787 title => "Skills",
2788 reply => undef,
2789 tooltip => "Shows your experience per skill and item power",
2790 },
2791 "c/uptime" => {
2792 id => "infobox",
2793 title => "Uptime",
2794 reply => undef,
2795 tooltip => "How long the server has been running since last restart",
2796 },
2797 "c/mapinfo" => {
2798 id => "infobox",
2799 title => "Map Info",
2800 reply => undef,
2801 tooltip => "Information related to the maps",
2802 },
2803 "c/party" => {
2804 id => "party",
2805 title => "Party",
2806 reply => "gsay ",
2807 tooltip => "Messages and chat related to your party",
2808 },
2809);
2810
2811sub cf::client::send_msg {
2812 my ($self, $channel, $msg, $color, @extra) = @_;
2813
2814 $msg = $self->pl->expand_cfpod ($msg)
2815 unless $color & cf::NDI_VERBATIM;
2816
2817 $color &= cf::NDI_CLIENT_MASK; # just in case...
2818
2819 # check predefined channels, for the benefit of C
2820 if ($CHANNEL{$channel}) {
2821 $channel = $CHANNEL{$channel};
2822
2823 $self->ext_msg (channel_info => $channel)
2824 if $self->can_msg;
2825
2826 $channel = $channel->{id};
2827
2828 } elsif (ref $channel) {
2829 # send meta info to client, if not yet sent
2830 unless (exists $self->{channel}{$channel->{id}}) {
2831 $self->{channel}{$channel->{id}} = $channel;
2832 $self->ext_msg (channel_info => $channel)
2833 if $self->can_msg;
2834 }
2835
2836 $channel = $channel->{id};
2837 }
2838
2839 return unless @extra || length $msg;
2840
2841 if ($self->can_msg) {
2842 # default colour, mask it out
2843 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2844 if $color & cf::NDI_DEF;
2845
2846 my $pkt = "msg "
2847 . $self->{json_coder}->encode (
2848 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2849 );
2850
2851 # try lzf for large packets
2852 $pkt = "lzf " . Compress::LZF::compress $pkt
2853 if 1024 <= length $pkt and $self->{can_lzf};
2854
2855 # split very large packets
2856 if (8192 < length $pkt and $self->{can_lzf}) {
2857 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2858 $pkt = "frag";
2859 }
2860
2861 $self->send_packet ($pkt);
2862 } else {
2863 if ($color >= 0) {
2864 # replace some tags by gcfclient-compatible ones
2865 for ($msg) {
2866 1 while
2867 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2868 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2869 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2870 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2871 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2872 }
2873
2874 $color &= cf::NDI_COLOR_MASK;
2875
2876 utf8::encode $msg;
2877
2878 if (0 && $msg =~ /\[/) {
2879 # COMMAND/INFO
2880 $self->send_packet ("drawextinfo $color 10 8 $msg")
2881 } else {
2882 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2883 $self->send_packet ("drawinfo $color $msg")
2884 }
2885 }
2886 }
2887}
2888
2112=item $client->ext_event ($type, %msg) 2889=item $client->ext_msg ($type, @msg)
2113 2890
2114Sends an exti event to the client. 2891Sends an ext event to the client.
2115 2892
2116=cut 2893=cut
2117 2894
2118sub cf::client::ext_event($$%) { 2895sub cf::client::ext_msg($$@) {
2119 my ($self, $type, %msg) = @_; 2896 my ($self, $type, @msg) = @_;
2120 2897
2898 if ($self->extcmd == 2) {
2899 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2900 } elsif ($self->extcmd == 1) { # TODO: remove
2121 $msg{msgtype} = "event_$type"; 2901 push @msg, msgtype => "event_$type";
2122 $self->send_packet ("ext " . cf::to_json \%msg); 2902 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2903 }
2904}
2905
2906=item $client->ext_reply ($msgid, @msg)
2907
2908Sends an ext reply to the client.
2909
2910=cut
2911
2912sub cf::client::ext_reply($$@) {
2913 my ($self, $id, @msg) = @_;
2914
2915 if ($self->extcmd == 2) {
2916 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2917 } elsif ($self->extcmd == 1) {
2918 #TODO: version 1, remove
2919 unshift @msg, msgtype => "reply", msgid => $id;
2920 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2921 }
2123} 2922}
2124 2923
2125=item $success = $client->query ($flags, "text", \&cb) 2924=item $success = $client->query ($flags, "text", \&cb)
2126 2925
2127Queues a query to the client, calling the given callback with 2926Queues a query to the client, calling the given callback with
2128the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2927the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2928C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130 2929
2131Queries can fail, so check the return code. Or don't, as queries will become 2930Queries can fail, so check the return code. Or don't, as queries will
2132reliable at some point in the future. 2931become reliable at some point in the future.
2133 2932
2134=cut 2933=cut
2135 2934
2136sub cf::client::query { 2935sub cf::client::query {
2137 my ($self, $flags, $text, $cb) = @_; 2936 my ($self, $flags, $text, $cb) = @_;
… …
2145 utf8::encode $text; 2944 utf8::encode $text;
2146 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2945 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147 2946
2148 $self->send_packet ($self->{query_queue}[0][0]) 2947 $self->send_packet ($self->{query_queue}[0][0])
2149 if @{ $self->{query_queue} } == 1; 2948 if @{ $self->{query_queue} } == 1;
2949
2950 1
2150} 2951}
2151 2952
2152cf::client->attach ( 2953cf::client->attach (
2954 on_connect => sub {
2955 my ($ns) = @_;
2956
2957 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2958 },
2153 on_reply => sub { 2959 on_reply => sub {
2154 my ($ns, $msg) = @_; 2960 my ($ns, $msg) = @_;
2155 2961
2156 # this weird shuffling is so that direct followup queries 2962 # this weird shuffling is so that direct followup queries
2157 # get handled first 2963 # get handled first
… …
2169 } else { 2975 } else {
2170 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2976 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171 } 2977 }
2172 } 2978 }
2173 }, 2979 },
2980 on_exticmd => sub {
2981 my ($ns, $buf) = @_;
2982
2983 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2984
2985 if (ref $msg) {
2986 my ($type, $reply, @payload) =
2987 "ARRAY" eq ref $msg
2988 ? @$msg
2989 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2990
2991 my @reply;
2992
2993 if (my $cb = $EXTICMD{$type}) {
2994 @reply = $cb->($ns, @payload);
2995 }
2996
2997 $ns->ext_reply ($reply, @reply)
2998 if $reply;
2999
3000 } else {
3001 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3002 }
3003
3004 cf::override;
3005 },
2174); 3006);
2175 3007
2176=item $client->async (\&cb) 3008=item $client->async (\&cb)
2177 3009
2178Create a new coroutine, running the specified callback. The coroutine will 3010Create a new coroutine, running the specified callback. The coroutine will
… …
2219our $safe = new Safe "safe"; 3051our $safe = new Safe "safe";
2220our $safe_hole = new Safe::Hole; 3052our $safe_hole = new Safe::Hole;
2221 3053
2222$SIG{FPE} = 'IGNORE'; 3054$SIG{FPE} = 'IGNORE';
2223 3055
2224$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3056$safe->permit_only (Opcode::opset qw(
3057 :base_core :base_mem :base_orig :base_math
3058 grepstart grepwhile mapstart mapwhile
3059 sort time
3060));
2225 3061
2226# here we export the classes and methods available to script code 3062# here we export the classes and methods available to script code
2227 3063
2228=pod 3064=pod
2229 3065
2230The following functions and methods are available within a safe environment: 3066The following functions and methods are available within a safe environment:
2231 3067
2232 cf::object contr pay_amount pay_player map 3068 cf::object
3069 contr pay_amount pay_player map x y force_find force_add destroy
3070 insert remove name archname title slaying race decrease split
3071
2233 cf::object::player player 3072 cf::object::player
2234 cf::player peaceful 3073 player
2235 cf::map trigger 3074
3075 cf::player
3076 peaceful
3077
3078 cf::map
3079 trigger
2236 3080
2237=cut 3081=cut
2238 3082
2239for ( 3083for (
2240 ["cf::object" => qw(contr pay_amount pay_player map)], 3084 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3085 insert remove inv nrof name archname title slaying race
3086 decrease split destroy change_exp)],
2241 ["cf::object::player" => qw(player)], 3087 ["cf::object::player" => qw(player)],
2242 ["cf::player" => qw(peaceful)], 3088 ["cf::player" => qw(peaceful)],
2243 ["cf::map" => qw(trigger)], 3089 ["cf::map" => qw(trigger)],
2244) { 3090) {
2245 no strict 'refs'; 3091 no strict 'refs';
… …
2316=back 3162=back
2317 3163
2318=cut 3164=cut
2319 3165
2320############################################################################# 3166#############################################################################
2321
2322=head2 EXTENSION DATABASE SUPPORT
2323
2324Crossfire maintains a very simple database for extension use. It can
2325currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326convert to/from binary).
2327
2328The parameter C<$family> should best start with the name of the extension
2329using it, it should be unique.
2330
2331=over 4
2332
2333=item $value = cf::db_get $family => $key
2334
2335Returns a single value from the database.
2336
2337=item cf::db_put $family => $key => $value
2338
2339Stores the given C<$value> in the family.
2340
2341=cut
2342
2343our $DB;
2344
2345sub db_init {
2346 unless ($DB) {
2347 $DB = BDB::db_create $DB_ENV;
2348
2349 cf::sync_job {
2350 eval {
2351 $DB->set_flags (BDB::CHKSUM);
2352
2353 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355 cf::cleanup "db_open(db): $!" if $!;
2356 };
2357 cf::cleanup "db_open(db): $@" if $@;
2358 };
2359 }
2360}
2361
2362sub db_get($$) {
2363 my $key = "$_[0]/$_[1]";
2364
2365 cf::sync_job {
2366 BDB::db_get $DB, undef, $key, my $data;
2367
2368 $! ? ()
2369 : $data
2370 }
2371}
2372
2373sub db_put($$$) {
2374 BDB::dbreq_pri 4;
2375 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376}
2377
2378=item cf::cache $id => [$paths...], $processversion => $process
2379
2380Generic caching function that returns the value of the resource $id,
2381caching and regenerating as required.
2382
2383This function can block.
2384
2385=cut
2386
2387sub cache {
2388 my ($id, $src, $processversion, $process) = @_;
2389
2390 my $meta =
2391 join "\x00",
2392 $processversion,
2393 map {
2394 aio_stat $_
2395 and Carp::croak "$_: $!";
2396
2397 ($_, (stat _)[7,9])
2398 } @$src;
2399
2400 my $dbmeta = db_get cache => "$id/meta";
2401 if ($dbmeta ne $meta) {
2402 # changed, we may need to process
2403
2404 my @data;
2405 my $md5;
2406
2407 for (0 .. $#$src) {
2408 0 <= aio_load $src->[$_], $data[$_]
2409 or Carp::croak "$src->[$_]: $!";
2410 }
2411
2412 # if processing is expensive, check
2413 # checksum first
2414 if (1) {
2415 $md5 =
2416 join "\x00",
2417 $processversion,
2418 map {
2419 Coro::cede;
2420 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2421 } 0.. $#$src;
2422
2423
2424 my $dbmd5 = db_get cache => "$id/md5";
2425 if ($dbmd5 eq $md5) {
2426 db_put cache => "$id/meta", $meta;
2427
2428 return db_get cache => "$id/data";
2429 }
2430 }
2431
2432 my $t1 = Time::HiRes::time;
2433 my $data = $process->(\@data);
2434 my $t2 = Time::HiRes::time;
2435
2436 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438 db_put cache => "$id/data", $data;
2439 db_put cache => "$id/md5" , $md5;
2440 db_put cache => "$id/meta", $meta;
2441
2442 return $data;
2443 }
2444
2445 db_get cache => "$id/data"
2446}
2447
2448=item fork_call { }, $args
2449
2450Executes the given code block with the given arguments in a seperate
2451process, returning the results. Everything must be serialisable with
2452Coro::Storable. May, of course, block. Note that the executed sub may
2453never block itself or use any form of Event handling.
2454
2455=cut
2456
2457sub fork_call(&@) {
2458 my ($cb, @args) = @_;
2459
2460# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461# or die "socketpair: $!";
2462 pipe my $fh1, my $fh2
2463 or die "pipe: $!";
2464
2465 if (my $pid = fork) {
2466 close $fh2;
2467
2468 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469 $res = Coro::Storable::thaw $res;
2470
2471 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473 die $$res unless "ARRAY" eq ref $res;
2474
2475 return wantarray ? @$res : $res->[-1];
2476 } else {
2477 reset_signals;
2478 local $SIG{__WARN__};
2479 local $SIG{__DIE__};
2480 eval {
2481 close $fh1;
2482
2483 my @res = eval { $cb->(@args) };
2484 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485 };
2486
2487 warn $@ if $@;
2488 _exit 0;
2489 }
2490}
2491
2492
2493
2494#############################################################################
2495# the server's init and main functions 3167# the server's init and main functions
2496 3168
2497sub load_facedata($) { 3169sub load_facedata($) {
2498 my ($path) = @_; 3170 my ($path) = @_;
3171
3172 # HACK to clear player env face cache, we need some signal framework
3173 # for this (global event?)
3174 %ext::player_env::MUSIC_FACE_CACHE = ();
3175
3176 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499 3177
2500 warn "loading facedata from $path\n"; 3178 warn "loading facedata from $path\n";
2501 3179
2502 my $facedata; 3180 my $facedata;
2503 0 < aio_load $path, $facedata 3181 0 < aio_load $path, $facedata
… …
2506 $facedata = Coro::Storable::thaw $facedata; 3184 $facedata = Coro::Storable::thaw $facedata;
2507 3185
2508 $facedata->{version} == 2 3186 $facedata->{version} == 2
2509 or cf::cleanup "$path: version mismatch, cannot proceed."; 3187 or cf::cleanup "$path: version mismatch, cannot proceed.";
2510 3188
3189 # patch in the exptable
3190 $facedata->{resource}{"res/exp_table"} = {
3191 type => FT_RSRC,
3192 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3193 };
3194 cf::cede_to_tick;
3195
2511 { 3196 {
2512 my $faces = $facedata->{faceinfo}; 3197 my $faces = $facedata->{faceinfo};
2513 3198
2514 while (my ($face, $info) = each %$faces) { 3199 while (my ($face, $info) = each %$faces) {
2515 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3200 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3201
2516 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3202 cf::face::set_visibility $idx, $info->{visibility};
3203 cf::face::set_magicmap $idx, $info->{magicmap};
2517 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3204 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3205 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519 Coro::cede; 3206
3207 cf::cede_to_tick;
2520 } 3208 }
2521 3209
2522 while (my ($face, $info) = each %$faces) { 3210 while (my ($face, $info) = each %$faces) {
2523 next unless $info->{smooth}; 3211 next unless $info->{smooth};
3212
2524 my $idx = cf::face::find $face 3213 my $idx = cf::face::find $face
2525 or next; 3214 or next;
3215
2526 if (my $smooth = cf::face::find $info->{smooth}) { 3216 if (my $smooth = cf::face::find $info->{smooth}) {
3217 cf::face::set_smooth $idx, $smooth;
2527 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3218 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528 } else { 3219 } else {
2529 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3220 warn "smooth face '$info->{smooth}' not found for face '$face'";
2530 } 3221 }
2531 Coro::cede; 3222
3223 cf::cede_to_tick;
2532 } 3224 }
2533 } 3225 }
2534 3226
2535 { 3227 {
2536 my $anims = $facedata->{animinfo}; 3228 my $anims = $facedata->{animinfo};
2537 3229
2538 while (my ($anim, $info) = each %$anims) { 3230 while (my ($anim, $info) = each %$anims) {
2539 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3231 cf::anim::set $anim, $info->{frames}, $info->{facings};
2540 Coro::cede; 3232 cf::cede_to_tick;
2541 } 3233 }
2542 3234
2543 cf::anim::invalidate_all; # d'oh 3235 cf::anim::invalidate_all; # d'oh
2544 } 3236 }
2545 3237
3238 {
3239 # TODO: for gcfclient pleasure, we should give resources
3240 # that gcfclient doesn't grok a >10000 face index.
3241 my $res = $facedata->{resource};
3242
3243 while (my ($name, $info) = each %$res) {
3244 if (defined $info->{type}) {
3245 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3246 my $data;
3247
3248 if ($info->{type} & 1) {
3249 # prepend meta info
3250
3251 my $meta = $enc->encode ({
3252 name => $name,
3253 %{ $info->{meta} || {} },
3254 });
3255
3256 $data = pack "(w/a*)*", $meta, $info->{data};
3257 } else {
3258 $data = $info->{data};
3259 }
3260
3261 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3262 cf::face::set_type $idx, $info->{type};
3263 } else {
3264 $RESOURCE{$name} = $info;
3265 }
3266
3267 cf::cede_to_tick;
3268 }
3269 }
3270
3271 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3272
2546 1 3273 1
2547} 3274}
2548 3275
3276cf::global->attach (on_resource_update => sub {
3277 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3278 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3279
3280 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3281 my $sound = $soundconf->{compat}[$_]
3282 or next;
3283
3284 my $face = cf::face::find "sound/$sound->[1]";
3285 cf::sound::set $sound->[0] => $face;
3286 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3287 }
3288
3289 while (my ($k, $v) = each %{$soundconf->{event}}) {
3290 my $face = cf::face::find "sound/$v";
3291 cf::sound::set $k => $face;
3292 }
3293 }
3294});
3295
3296register_exticmd fx_want => sub {
3297 my ($ns, $want) = @_;
3298
3299 while (my ($k, $v) = each %$want) {
3300 $ns->fx_want ($k, $v);
3301 }
3302};
3303
3304sub load_resource_file($) {
3305 my $guard = lock_acquire "load_resource_file";
3306
3307 my $status = load_resource_file_ $_[0];
3308 get_slot 0.1, 100;
3309 cf::arch::commit_load;
3310
3311 $status
3312}
3313
2549sub reload_regions { 3314sub reload_regions {
3315 # HACK to clear player env face cache, we need some signal framework
3316 # for this (global event?)
3317 %ext::player_env::MUSIC_FACE_CACHE = ();
3318
2550 load_resource_file "$MAPDIR/regions" 3319 load_resource_file "$MAPDIR/regions"
2551 or die "unable to load regions file\n"; 3320 or die "unable to load regions file\n";
3321
3322 for (cf::region::list) {
3323 $_->{match} = qr/$_->{match}/
3324 if exists $_->{match};
3325 }
2552} 3326}
2553 3327
2554sub reload_facedata { 3328sub reload_facedata {
2555 load_facedata "$DATADIR/facedata" 3329 load_facedata "$DATADIR/facedata"
2556 or die "unable to load facedata\n"; 3330 or die "unable to load facedata\n";
… …
2567} 3341}
2568 3342
2569sub reload_resources { 3343sub reload_resources {
2570 warn "reloading resource files...\n"; 3344 warn "reloading resource files...\n";
2571 3345
2572 reload_regions;
2573 reload_facedata; 3346 reload_facedata;
2574 reload_archetypes; 3347 reload_archetypes;
3348 reload_regions;
2575 reload_treasures; 3349 reload_treasures;
2576 3350
2577 warn "finished reloading resource files\n"; 3351 warn "finished reloading resource files\n";
2578} 3352}
2579 3353
2580sub init { 3354sub reload_config {
2581 reload_resources;
2582}
2583
2584sub cfg_load {
2585 open my $fh, "<:utf8", "$CONFDIR/config" 3355 open my $fh, "<:utf8", "$CONFDIR/config"
2586 or return; 3356 or return;
2587 3357
2588 local $/; 3358 local $/;
2589 *CFG = YAML::Syck::Load <$fh>; 3359 *CFG = YAML::Load <$fh>;
2590 3360
2591 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3361 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592 3362
2593 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3363 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3364 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2600 }; 3370 };
2601 warn $@ if $@; 3371 warn $@ if $@;
2602 } 3372 }
2603} 3373}
2604 3374
3375sub pidfile() {
3376 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3377 or die "$PIDFILE: $!";
3378 flock $fh, &Fcntl::LOCK_EX
3379 or die "$PIDFILE: flock: $!";
3380 $fh
3381}
3382
3383# make sure only one server instance is running at any one time
3384sub atomic {
3385 my $fh = pidfile;
3386
3387 my $pid = <$fh>;
3388 kill 9, $pid if $pid > 0;
3389
3390 seek $fh, 0, 0;
3391 print $fh $$;
3392}
3393
2605sub main { 3394sub main {
3395 cf::init_globals; # initialise logging
3396
3397 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3398 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3399 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3400 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3401
3402 cf::init_experience;
3403 cf::init_anim;
3404 cf::init_attackmess;
3405 cf::init_dynamic;
3406 cf::init_block;
3407
3408 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3409
2606 # we must not ever block the main coroutine 3410 # we must not ever block the main coroutine
2607 local $Coro::idle = sub { 3411 local $Coro::idle = sub {
2608 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3412 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609 (async { 3413 (async {
2610 Event::one_event; 3414 $Coro::current->{desc} = "IDLE BUG HANDLER";
3415 EV::loop EV::LOOP_ONESHOT;
2611 })->prio (Coro::PRIO_MAX); 3416 })->prio (Coro::PRIO_MAX);
2612 }; 3417 };
2613 3418
2614 cfg_load; 3419 evthread_start IO::AIO::poll_fileno;
3420
3421 cf::sync_job {
3422 reload_resources;
3423 reload_config;
2615 db_init; 3424 db_init;
3425
3426 cf::load_settings;
3427 cf::load_materials;
3428 cf::init_uuid;
3429 cf::init_signals;
3430 cf::init_commands;
3431 cf::init_skills;
3432
3433 cf::init_beforeplay;
3434
3435 atomic;
3436
2616 load_extensions; 3437 load_extensions;
2617 3438
2618 $TICK_WATCHER->start; 3439 utime time, time, $RUNTIMEFILE;
3440
3441 # no (long-running) fork's whatsoever before this point(!)
3442 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3443
3444 (pop @POST_INIT)->(0) while @POST_INIT;
3445 };
3446
2619 Event::loop; 3447 EV::loop;
2620} 3448}
2621 3449
2622############################################################################# 3450#############################################################################
2623# initialisation and cleanup 3451# initialisation and cleanup
2624 3452
2625# install some emergency cleanup handlers 3453# install some emergency cleanup handlers
2626BEGIN { 3454BEGIN {
3455 our %SIGWATCHER = ();
2627 for my $signal (qw(INT HUP TERM)) { 3456 for my $signal (qw(INT HUP TERM)) {
2628 Event->signal ( 3457 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2629 reentrant => 0,
2630 data => WF_AUTOCANCEL,
2631 signal => $signal,
2632 prio => 0,
2633 cb => sub {
2634 cf::cleanup "SIG$signal"; 3458 cf::cleanup "SIG$signal";
2635 },
2636 ); 3459 };
3460 }
3461}
3462
3463sub write_runtime_sync {
3464 # first touch the runtime file to show we are still running:
3465 # the fsync below can take a very very long time.
3466
3467 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468
3469 my $guard = cf::lock_acquire "write_runtime";
3470
3471 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3472 or return;
3473
3474 my $value = $cf::RUNTIME + 90 + 10;
3475 # 10 is the runtime save interval, for a monotonic clock
3476 # 60 allows for the watchdog to kill the server.
3477
3478 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3479 and return;
3480
3481 # always fsync - this file is important
3482 aio_fsync $fh
3483 and return;
3484
3485 # touch it again to show we are up-to-date
3486 aio_utime $fh, undef, undef;
3487
3488 close $fh
3489 or return;
3490
3491 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492 and return;
3493
3494 warn "runtime file written.\n";
3495
2637 } 3496 1
3497}
3498
3499our $uuid_lock;
3500our $uuid_skip;
3501
3502sub write_uuid_sync($) {
3503 $uuid_skip ||= $_[0];
3504
3505 return if $uuid_lock;
3506 local $uuid_lock = 1;
3507
3508 my $uuid = "$LOCALDIR/uuid";
3509
3510 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511 or return;
3512
3513 my $value = uuid_seq uuid_cur;
3514
3515 unless ($value) {
3516 warn "cowardly refusing to write zero uuid value!\n";
3517 return;
3518 }
3519
3520 my $value = uuid_str $value + $uuid_skip;
3521 $uuid_skip = 0;
3522
3523 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3524 and return;
3525
3526 # always fsync - this file is important
3527 aio_fsync $fh
3528 and return;
3529
3530 close $fh
3531 or return;
3532
3533 aio_rename "$uuid~", $uuid
3534 and return;
3535
3536 warn "uuid file written ($value).\n";
3537
3538 1
3539
3540}
3541
3542sub write_uuid($$) {
3543 my ($skip, $sync) = @_;
3544
3545 $sync ? write_uuid_sync $skip
3546 : async { write_uuid_sync $skip };
2638} 3547}
2639 3548
2640sub emergency_save() { 3549sub emergency_save() {
2641 my $freeze_guard = cf::freeze_mainloop; 3550 my $freeze_guard = cf::freeze_mainloop;
2642 3551
2643 warn "enter emergency perl save\n"; 3552 warn "emergency_perl_save: enter\n";
2644 3553
2645 cf::sync_job { 3554 cf::sync_job {
3555 # this is a trade-off: we want to be very quick here, so
3556 # save all maps without fsync, and later call a global sync
3557 # (which in turn might be very very slow)
3558 local $USE_FSYNC = 0;
3559
2646 # use a peculiar iteration method to avoid tripping on perl 3560 # use a peculiar iteration method to avoid tripping on perl
2647 # refcount bugs in for. also avoids problems with players 3561 # refcount bugs in for. also avoids problems with players
2648 # and maps saved/destroyed asynchronously. 3562 # and maps saved/destroyed asynchronously.
2649 warn "begin emergency player save\n"; 3563 warn "emergency_perl_save: begin player save\n";
2650 for my $login (keys %cf::PLAYER) { 3564 for my $login (keys %cf::PLAYER) {
2651 my $pl = $cf::PLAYER{$login} or next; 3565 my $pl = $cf::PLAYER{$login} or next;
2652 $pl->valid or next; 3566 $pl->valid or next;
3567 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653 $pl->save; 3568 $pl->save;
2654 } 3569 }
2655 warn "end emergency player save\n"; 3570 warn "emergency_perl_save: end player save\n";
2656 3571
2657 warn "begin emergency map save\n"; 3572 warn "emergency_perl_save: begin map save\n";
2658 for my $path (keys %cf::MAP) { 3573 for my $path (keys %cf::MAP) {
2659 my $map = $cf::MAP{$path} or next; 3574 my $map = $cf::MAP{$path} or next;
2660 $map->valid or next; 3575 $map->valid or next;
2661 $map->save; 3576 $map->save;
2662 } 3577 }
2663 warn "end emergency map save\n"; 3578 warn "emergency_perl_save: end map save\n";
2664 3579
2665 warn "begin emergency database checkpoint\n"; 3580 warn "emergency_perl_save: begin database checkpoint\n";
2666 BDB::db_env_txn_checkpoint $DB_ENV; 3581 BDB::db_env_txn_checkpoint $DB_ENV;
2667 warn "end emergency database checkpoint\n"; 3582 warn "emergency_perl_save: end database checkpoint\n";
3583
3584 warn "emergency_perl_save: begin write uuid\n";
3585 write_uuid_sync 1;
3586 warn "emergency_perl_save: end write uuid\n";
2668 }; 3587 };
2669 3588
3589 warn "emergency_perl_save: starting sync()\n";
3590 IO::AIO::aio_sync sub {
3591 warn "emergency_perl_save: finished sync()\n";
3592 };
3593
2670 warn "leave emergency perl save\n"; 3594 warn "emergency_perl_save: leave\n";
2671} 3595}
2672 3596
2673sub post_cleanup { 3597sub post_cleanup {
2674 my ($make_core) = @_; 3598 my ($make_core) = @_;
2675 3599
2676 warn Carp::longmess "post_cleanup backtrace" 3600 warn Carp::longmess "post_cleanup backtrace"
2677 if $make_core; 3601 if $make_core;
3602
3603 my $fh = pidfile;
3604 unlink $PIDFILE if <$fh> == $$;
3605}
3606
3607# a safer delete_package, copied from Symbol
3608sub clear_package($) {
3609 my $pkg = shift;
3610
3611 # expand to full symbol table name if needed
3612 unless ($pkg =~ /^main::.*::$/) {
3613 $pkg = "main$pkg" if $pkg =~ /^::/;
3614 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3615 $pkg .= '::' unless $pkg =~ /::$/;
3616 }
3617
3618 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3619 my $stem_symtab = *{$stem}{HASH};
3620
3621 defined $stem_symtab and exists $stem_symtab->{$leaf}
3622 or return;
3623
3624 # clear all symbols
3625 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3626 for my $name (keys %$leaf_symtab) {
3627 _gv_clear *{"$pkg$name"};
3628# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3629 }
3630 warn "cleared package $pkg\n";#d#
2678} 3631}
2679 3632
2680sub do_reload_perl() { 3633sub do_reload_perl() {
2681 # can/must only be called in main 3634 # can/must only be called in main
2682 if ($Coro::current != $Coro::main) { 3635 if ($Coro::current != $Coro::main) {
2683 warn "can only reload from main coroutine"; 3636 warn "can only reload from main coroutine";
2684 return; 3637 return;
2685 } 3638 }
2686 3639
3640 return if $RELOAD++;
3641
3642 my $t1 = EV::time;
3643
3644 while ($RELOAD) {
2687 warn "reloading..."; 3645 warn "reloading...";
2688 3646
2689 warn "entering sync_job"; 3647 warn "entering sync_job";
2690 3648
2691 cf::sync_job { 3649 cf::sync_job {
2692 cf::write_runtime; # external watchdog should not bark 3650 cf::write_runtime_sync; # external watchdog should not bark
2693 cf::emergency_save; 3651 cf::emergency_save;
2694 cf::write_runtime; # external watchdog should not bark 3652 cf::write_runtime_sync; # external watchdog should not bark
2695 3653
2696 warn "syncing database to disk"; 3654 warn "syncing database to disk";
2697 BDB::db_env_txn_checkpoint $DB_ENV; 3655 BDB::db_env_txn_checkpoint $DB_ENV;
2698 3656
2699 # if anything goes wrong in here, we should simply crash as we already saved 3657 # if anything goes wrong in here, we should simply crash as we already saved
2700 3658
2701 warn "cancelling all WF_AUTOCANCEL watchers";
2702 for (Event::all_watchers) {
2703 $_->cancel if $_->data & WF_AUTOCANCEL;
2704 }
2705
2706 warn "flushing outstanding aio requests"; 3659 warn "flushing outstanding aio requests";
2707 for (;;) {
2708 BDB::flush;
2709 IO::AIO::flush;
2710 Coro::cede;
2711 last unless IO::AIO::nreqs || BDB::nreqs; 3660 while (IO::AIO::nreqs || BDB::nreqs) {
2712 warn "iterate..."; 3661 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713 }
2714
2715 ++$RELOAD;
2716
2717 warn "cancelling all extension coros";
2718 $_->cancel for values %EXT_CORO;
2719 %EXT_CORO = ();
2720
2721 warn "removing commands";
2722 %COMMAND = ();
2723
2724 warn "removing ext commands";
2725 %EXTCMD = ();
2726
2727 warn "unloading/nuking all extensions";
2728 for my $pkg (@EXTS) {
2729 warn "... unloading $pkg";
2730
2731 if (my $cb = $pkg->can ("unload")) {
2732 eval {
2733 $cb->($pkg);
2734 1
2735 } or warn "$pkg unloaded, but with errors: $@";
2736 } 3662 }
2737 3663
2738 warn "... nuking $pkg"; 3664 warn "cancelling all extension coros";
2739 Symbol::delete_package $pkg; 3665 $_->cancel for values %EXT_CORO;
2740 } 3666 %EXT_CORO = ();
2741 3667
2742 warn "unloading all perl modules loaded from $LIBDIR"; 3668 warn "removing commands";
2743 while (my ($k, $v) = each %INC) { 3669 %COMMAND = ();
2744 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745 3670
3671 warn "removing ext/exti commands";
3672 %EXTCMD = ();
3673 %EXTICMD = ();
3674
3675 warn "unloading/nuking all extensions";
3676 for my $pkg (@EXTS) {
2746 warn "... unloading $k"; 3677 warn "... unloading $pkg";
2747 delete $INC{$k};
2748 3678
2749 $k =~ s/\.pm$//;
2750 $k =~ s/\//::/g;
2751
2752 if (my $cb = $k->can ("unload_module")) { 3679 if (my $cb = $pkg->can ("unload")) {
3680 eval {
2753 $cb->(); 3681 $cb->($pkg);
3682 1
3683 } or warn "$pkg unloaded, but with errors: $@";
3684 }
3685
3686 warn "... clearing $pkg";
3687 clear_package $pkg;
2754 } 3688 }
2755 3689
2756 Symbol::delete_package $k; 3690 warn "unloading all perl modules loaded from $LIBDIR";
3691 while (my ($k, $v) = each %INC) {
3692 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3693
3694 warn "... unloading $k";
3695 delete $INC{$k};
3696
3697 $k =~ s/\.pm$//;
3698 $k =~ s/\//::/g;
3699
3700 if (my $cb = $k->can ("unload_module")) {
3701 $cb->();
3702 }
3703
3704 clear_package $k;
2757 } 3705 }
2758 3706
2759 warn "getting rid of safe::, as good as possible"; 3707 warn "getting rid of safe::, as good as possible";
2760 Symbol::delete_package "safe::$_" 3708 clear_package "safe::$_"
2761 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3709 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762 3710
2763 warn "unloading cf.pm \"a bit\""; 3711 warn "unloading cf.pm \"a bit\"";
2764 delete $INC{"cf.pm"}; 3712 delete $INC{"cf.pm"};
2765 delete $INC{"cf/pod.pm"}; 3713 delete $INC{"cf/pod.pm"};
2766 3714
2767 # don't, removes xs symbols, too, 3715 # don't, removes xs symbols, too,
2768 # and global variables created in xs 3716 # and global variables created in xs
2769 #Symbol::delete_package __PACKAGE__; 3717 #clear_package __PACKAGE__;
2770 3718
2771 warn "unload completed, starting to reload now"; 3719 warn "unload completed, starting to reload now";
2772 3720
2773 warn "reloading cf.pm"; 3721 warn "reloading cf.pm";
2774 require cf; 3722 require cf;
2775 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3723 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776 3724
2777 warn "loading config and database again"; 3725 warn "loading config and database again";
2778 cf::cfg_load; 3726 cf::reload_config;
2779 3727
2780 warn "loading extensions"; 3728 warn "loading extensions";
2781 cf::load_extensions; 3729 cf::load_extensions;
2782 3730
3731 if ($REATTACH_ON_RELOAD) {
2783 warn "reattaching attachments to objects/players"; 3732 warn "reattaching attachments to objects/players";
2784 _global_reattach; # objects, sockets 3733 _global_reattach; # objects, sockets
2785 warn "reattaching attachments to maps"; 3734 warn "reattaching attachments to maps";
2786 reattach $_ for values %MAP; 3735 reattach $_ for values %MAP;
2787 warn "reattaching attachments to players"; 3736 warn "reattaching attachments to players";
2788 reattach $_ for values %PLAYER; 3737 reattach $_ for values %PLAYER;
3738 }
2789 3739
3740 warn "running post_init jobs";
3741 (pop @POST_INIT)->(1) while @POST_INIT;
3742
2790 warn "leaving sync_job"; 3743 warn "leaving sync_job";
2791 3744
2792 1 3745 1
2793 } or do { 3746 } or do {
2794 warn $@; 3747 warn $@;
2795 warn "error while reloading, exiting."; 3748 cf::cleanup "error while reloading, exiting.";
2796 exit 1;
2797 }; 3749 };
2798 3750
2799 warn "reloaded"; 3751 warn "reloaded";
3752 --$RELOAD;
3753 }
3754
3755 $t1 = EV::time - $t1;
3756 warn "reload completed in ${t1}s\n";
2800}; 3757};
2801 3758
2802our $RELOAD_WATCHER; # used only during reload 3759our $RELOAD_WATCHER; # used only during reload
2803 3760
2804sub reload_perl() { 3761sub reload_perl() {
2805 # doing reload synchronously and two reloads happen back-to-back, 3762 # doing reload synchronously and two reloads happen back-to-back,
2806 # coro crashes during coro_state_free->destroy here. 3763 # coro crashes during coro_state_free->destroy here.
2807 3764
2808 $RELOAD_WATCHER ||= Event->timer ( 3765 $RELOAD_WATCHER ||= cf::async {
2809 reentrant => 0, 3766 Coro::AIO::aio_wait cache_extensions;
2810 after => 0, 3767
2811 data => WF_AUTOCANCEL, 3768 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2812 cb => sub {
2813 do_reload_perl; 3769 do_reload_perl;
2814 undef $RELOAD_WATCHER; 3770 undef $RELOAD_WATCHER;
2815 }, 3771 };
2816 ); 3772 };
2817} 3773}
2818 3774
2819register_command "reload" => sub { 3775register_command "reload" => sub {
2820 my ($who, $arg) = @_; 3776 my ($who, $arg) = @_;
2821 3777
2822 if ($who->flag (FLAG_WIZ)) { 3778 if ($who->flag (FLAG_WIZ)) {
2823 $who->message ("reloading server."); 3779 $who->message ("reloading server.");
3780 async {
3781 $Coro::current->{desc} = "perl_reload";
2824 async { reload_perl }; 3782 reload_perl;
3783 };
2825 } 3784 }
2826}; 3785};
2827 3786
2828unshift @INC, $LIBDIR; 3787unshift @INC, $LIBDIR;
2829 3788
… …
2831 3790
2832our @WAIT_FOR_TICK; 3791our @WAIT_FOR_TICK;
2833our @WAIT_FOR_TICK_BEGIN; 3792our @WAIT_FOR_TICK_BEGIN;
2834 3793
2835sub wait_for_tick { 3794sub wait_for_tick {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3795 return if tick_inhibit || $Coro::current == $Coro::main;
2838 3796
2839 my $signal = new Coro::Signal; 3797 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK, $signal; 3798 push @WAIT_FOR_TICK, $signal;
2841 $signal->wait; 3799 $signal->wait;
2842} 3800}
2843 3801
2844sub wait_for_tick_begin { 3802sub wait_for_tick_begin {
2845 return unless $TICK_WATCHER->is_active;
2846 return if $Coro::current == $Coro::main; 3803 return if tick_inhibit || $Coro::current == $Coro::main;
2847 3804
2848 my $signal = new Coro::Signal; 3805 my $signal = new Coro::Signal;
2849 push @WAIT_FOR_TICK_BEGIN, $signal; 3806 push @WAIT_FOR_TICK_BEGIN, $signal;
2850 $signal->wait; 3807 $signal->wait;
2851} 3808}
2852 3809
2853$TICK_WATCHER = Event->timer ( 3810sub tick {
2854 reentrant => 0,
2855 parked => 1,
2856 prio => 0,
2857 at => $NEXT_TICK || $TICK,
2858 data => WF_AUTOCANCEL,
2859 cb => sub {
2860 if ($Coro::current != $Coro::main) { 3811 if ($Coro::current != $Coro::main) {
2861 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3812 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862 unless ++$bug_warning > 10; 3813 unless ++$bug_warning > 10;
2863 return; 3814 return;
2864 } 3815 }
2865 3816
2866 $NOW = $tick_start = Event::time;
2867
2868 cf::server_tick; # one server iteration 3817 cf::server_tick; # one server iteration
2869 3818
2870 $RUNTIME += $TICK;
2871 $NEXT_TICK += $TICK;
2872
2873 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3819 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874 $NEXT_RUNTIME_WRITE = $NOW + 10; 3820 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875 Coro::async_pool { 3821 Coro::async_pool {
3822 $Coro::current->{desc} = "runtime saver";
2876 write_runtime 3823 write_runtime_sync
2877 or warn "ERROR: unable to write runtime file: $!"; 3824 or warn "ERROR: unable to write runtime file: $!";
2878 };
2879 } 3825 };
3826 }
2880 3827
2881# my $AFTER = Event::time;
2882# warn $AFTER - $NOW;#d#
2883
2884 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3828 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885 $sig->send; 3829 $sig->send;
2886 } 3830 }
2887 while (my $sig = shift @WAIT_FOR_TICK) { 3831 while (my $sig = shift @WAIT_FOR_TICK) {
2888 $sig->send; 3832 $sig->send;
2889 } 3833 }
2890 3834
2891 $NOW = Event::time; 3835 $LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893 # if we are delayed by four ticks or more, skip them all
2894 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896 $TICK_WATCHER->at ($NEXT_TICK);
2897 $TICK_WATCHER->start;
2898
2899 $LOAD = ($NOW - $tick_start) / $TICK;
2900 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3836 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901 3837
2902 _post_tick; 3838 if (0) {
2903 3839 if ($NEXT_TICK) {
2904 3840 my $jitter = $TICK_START - $NEXT_TICK;
3841 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3842 warn "jitter $JITTER\n";#d#
3843 }
2905 }, 3844 }
2906); 3845}
2907 3846
2908{ 3847{
2909 BDB::max_poll_time $TICK * 0.1; 3848 # configure BDB
2910 $BDB_POLL_WATCHER = Event->io ( 3849
2911 reentrant => 0,
2912 fd => BDB::poll_fileno,
2913 poll => 'r',
2914 prio => 0,
2915 data => WF_AUTOCANCEL,
2916 cb => \&BDB::poll_cb,
2917 );
2918 BDB::min_parallel 8; 3850 BDB::min_parallel 8;
2919 3851 BDB::max_poll_reqs $TICK * 0.1;
2920 BDB::set_sync_prepare { 3852 $AnyEvent::BDB::WATCHER->priority (1);
2921 my $status;
2922 my $current = $Coro::current;
2923 (
2924 sub {
2925 $status = $!;
2926 $current->ready; undef $current;
2927 },
2928 sub {
2929 Coro::schedule while defined $current;
2930 $! = $status;
2931 },
2932 )
2933 };
2934 3853
2935 unless ($DB_ENV) { 3854 unless ($DB_ENV) {
2936 $DB_ENV = BDB::db_env_create; 3855 $DB_ENV = BDB::db_env_create;
3856 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3857 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3858 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3859 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3860 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937 3861
2938 cf::sync_job { 3862 cf::sync_job {
2939 eval { 3863 eval {
2940 BDB::db_env_open 3864 BDB::db_env_open
2941 $DB_ENV, 3865 $DB_ENV,
… …
2943 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3867 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3868 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945 0666; 3869 0666;
2946 3870
2947 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3871 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950 $DB_ENV->set_lk_detect;
2951 }; 3872 };
2952 3873
2953 cf::cleanup "db_env_open(db): $@" if $@; 3874 cf::cleanup "db_env_open(db): $@" if $@;
2954 }; 3875 };
2955 } 3876 }
3877
3878 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3879 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3880 };
3881 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3882 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3883 };
3884 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3885 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3886 };
2956} 3887}
2957 3888
2958{ 3889{
3890 # configure IO::AIO
3891
2959 IO::AIO::min_parallel 8; 3892 IO::AIO::min_parallel 8;
2960
2961 undef $Coro::AIO::WATCHER;
2962 IO::AIO::max_poll_time $TICK * 0.1; 3893 IO::AIO::max_poll_time $TICK * 0.1;
2963 $AIO_POLL_WATCHER = Event->io ( 3894 undef $AnyEvent::AIO::WATCHER;
2964 reentrant => 0,
2965 data => WF_AUTOCANCEL,
2966 fd => IO::AIO::poll_fileno,
2967 poll => 'r',
2968 prio => 6,
2969 cb => \&IO::AIO::poll_cb,
2970 );
2971} 3895}
2972 3896
2973my $_log_backtrace; 3897my $_log_backtrace;
2974 3898
2975sub _log_backtrace { 3899sub _log_backtrace {
… …
2978 $msg =~ s/\n//; 3902 $msg =~ s/\n//;
2979 3903
2980 # limit the # of concurrent backtraces 3904 # limit the # of concurrent backtraces
2981 if ($_log_backtrace < 2) { 3905 if ($_log_backtrace < 2) {
2982 ++$_log_backtrace; 3906 ++$_log_backtrace;
3907 my $perl_bt = Carp::longmess $msg;
2983 async { 3908 async {
3909 $Coro::current->{desc} = "abt $msg";
3910
2984 my @bt = fork_call { 3911 my @bt = fork_call {
2985 @addr = map { sprintf "%x", $_ } @addr; 3912 @addr = map { sprintf "%x", $_ } @addr;
2986 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3913 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3914 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988 or die "addr2line: $!"; 3915 or die "addr2line: $!";
… …
2996 } 3923 }
2997 3924
2998 @funcs 3925 @funcs
2999 }; 3926 };
3000 3927
3001 LOG llevInfo, "[ABT] $msg\n"; 3928 LOG llevInfo, "[ABT] $perl_bt\n";
3929 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002 LOG llevInfo, "[ABT] $_\n" for @bt; 3930 LOG llevInfo, "[ABT] $_\n" for @bt;
3003 --$_log_backtrace; 3931 --$_log_backtrace;
3004 }; 3932 };
3005 } else { 3933 } else {
3006 LOG llevInfo, "[ABT] $msg\n"; 3934 LOG llevInfo, "[ABT] $msg\n";

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