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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 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 IO::AIO::aio_utime $runtime, undef, undef; 542=cut
401 543
402 my $guard = cf::lock_acquire "write_runtime"; 544sub fork_call(&@) {
545 my ($cb, @args) = @_;
403 546
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 547 # we seemingly have to make a local copy of the whole thing,
405 or return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
406 550
407 my $value = $cf::RUNTIME + 90 + 10; 551 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 552 reset_signals;
409 # 60 allows for the watchdog to kill the server. 553 &$cb
554 }, @args;
410 555
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 556 wantarray ? @res : $res[-1]
412 and return; 557}
413 558
414 # always fsync - this file is important 559=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 560
418 # touch it again to show we are up-to-date 561=cut
419 aio_utime $fh, undef, undef;
420 562
421 close $fh 563our %coin_alias = (
422 or return; 564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
423 579
424 aio_rename "$runtime~", $runtime 580sub coin_from_name($) {
425 and return; 581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
426 585
427 warn "runtime file written.\n";#d# 586=item $value = cf::db_get $family => $key
428 587
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 $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
429 1 635 }
636}
637
638sub db_put($$$) {
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"
430} 711}
431 712
432=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
433 714
434Log 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.
… …
446 727
447############################################################################# 728#############################################################################
448 729
449=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
450 731
451Many 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
452attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
454 735
455In 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>
456C<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
457crossfire+). 738Deliantra).
458 739
459=over 4 740=over 4
460 741
461=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
462 743
… …
506=item cf::CLASS::attachment $name, ... 787=item cf::CLASS::attachment $name, ...
507 788
508Register an attachment by C<$name> through which attachable objects of the 789Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 790given CLASS can refer to this attachment.
510 791
511Some classes such as crossfire maps and objects can specify attachments 792Some classes such as deliantra maps and objects can specify attachments
512that 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.
513 794
514These calls expect any number of the following handler/hook descriptions: 795These calls expect any number of the following handler/hook descriptions:
515 796
516=over 4 797=over 4
… …
664 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
665 } 946 }
666 947
667 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
668 } else { 949 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 951 }
671 952
672 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
673} 954}
674 955
… …
714 "; 995 ";
715 die if $@; 996 die if $@;
716} 997}
717 998
718our $override; 999our $override;
719our @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?
720 1001
721sub override { 1002sub override {
722 $override = 1; 1003 $override = 1;
723 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
724} 1005}
725 1006
726sub do_invoke { 1007sub do_invoke {
727 my $event = shift; 1008 my $event = shift;
728 my $callbacks = shift; 1009 my $callbacks = shift;
729 1010
730 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
731 1012
732 local $override; 1013 local $override;
733 1014
734 for (@$callbacks) { 1015 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
… …
744 } 1025 }
745 1026
746 0 1027 0
747} 1028}
748 1029
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1031
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1033
753Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
754 1035
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1039
759=back 1040=back
760 1041
761=cut 1042=cut
762 1043
763############################################################################# 1044#############################################################################
764# 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, $ob2
1087}
765 1088
766sub reattach { 1089sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1091 my ($obj) = @_;
769 1092
1093 # no longer needed after getting rid of delete_package?
770 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
771 1095
772 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
773 1097
774 @$registry = (); 1098 @$registry = ();
775 1099
… …
790cf::attachable->attach ( 1114cf::attachable->attach (
791 prio => -1000000, 1115 prio => -1000000,
792 on_instantiate => sub { 1116 on_instantiate => sub {
793 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
794 1118
795 $data = from_json $data; 1119 $data = decode_json $data;
796 1120
797 for (@$data) { 1121 for (@$data) {
798 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
799 1123
800 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1140sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
818 1142
819 sync_job { 1143 sync_job {
820 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
823 1148
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1153 aio_close $fh;
829 1154
830 if (@$objs) { 1155 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1161 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
838 } 1163 }
839 } else { 1164 } else {
840 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
841 } 1166 }
842 1167
843 aio_rename "$filename~", $filename; 1168 aio_rename "$filename~", $filename;
1169
1170 $filename =~ s%/[^/]+$%%;
1171 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1172 } else {
845 warn "FATAL: $filename~: $!\n"; 1173 warn "unable to save objects: $filename~: $!\n";
846 } 1174 }
847 } else { 1175 } else {
848 aio_unlink $filename; 1176 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
850 } 1178 }
851 } 1179 };
852} 1180}
853 1181
854sub object_freezer_as_string { 1182sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1183 my ($rdata, $objs) = @_;
856 1184
… …
868 or return; 1196 or return;
869 1197
870 unless (aio_stat "$filename.pst") { 1198 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1199 (aio_load "$filename.pst", $av) >= 0
872 or return; 1200 or return;
1201
873 $av = eval { (Storable::thaw $av)->{objs} }; 1202 my $st = eval { Coro::Storable::thaw $av };
1203 $av = $st->{objs};
874 } 1204 }
875 1205
1206 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1207 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1208 $decname, length $data, scalar @{$av || []};
1209
878 return ($data, $av); 1210 ($data, $av)
879} 1211}
1212
1213=head2 COMMAND CALLBACKS
1214
1215=over 4
1216
1217=cut
880 1218
881############################################################################# 1219#############################################################################
882# command handling &c 1220# command handling &c
883 1221
884=item cf::register_command $name => \&callback($ob,$args); 1222=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1235 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1236}
899 1237
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1238=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1239
902Register 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.
903 1245
904If 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
905called. 1247called.
906 1248
1249=item cf::register_exticmd $name => \&callback($ns,$packet);
1250
1251Register a callback for execution when the client sends an (asynchronous)
1252exticmd packet. Exti commands are processed by the server as soon as they
1253are received, i.e. out of order w.r.t. other commands. The first argument
1254is a client socket. Exti commands can be received anytime, even before
1255log-in.
1256
1257If the callback returns something, it is sent back as if reply was being
1258called.
1259
907=cut 1260=cut
908 1261
909sub register_extcmd { 1262sub register_extcmd {
910 my ($name, $cb) = @_; 1263 my ($name, $cb) = @_;
911 1264
912 $EXTCMD{$name} = $cb; 1265 $EXTCMD{$name} = $cb;
913} 1266}
1267
1268sub register_exticmd {
1269 my ($name, $cb) = @_;
1270
1271 $EXTICMD{$name} = $cb;
1272}
1273
1274use File::Glob ();
914 1275
915cf::player->attach ( 1276cf::player->attach (
916 on_command => sub { 1277 on_command => sub {
917 my ($pl, $name, $params) = @_; 1278 my ($pl, $name, $params) = @_;
918 1279
… …
926 cf::override; 1287 cf::override;
927 }, 1288 },
928 on_extcmd => sub { 1289 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1290 my ($pl, $buf) = @_;
930 1291
931 my $msg = eval { from_json $buf }; 1292 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1293
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1302 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1303 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1304 }
1305
1306 $pl->ext_reply ($reply, @reply)
1307 if $reply;
1308
939 } else { 1309 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1310 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1311 }
942 1312
943 cf::override; 1313 cf::override;
944 }, 1314 },
945); 1315);
946 1316
1317# "readahead" all extensions
947sub load_extension { 1318sub cache_extensions {
948 my ($path) = @_; 1319 my $grp = IO::AIO::aio_group;
949 1320
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1321 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951 my $base = $1; 1322 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1323 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1324 }
975 die $@;
976 } 1325 };
977 1326
978 push @EXTS, $pkg; 1327 $grp
979} 1328}
980 1329
981sub load_extensions { 1330sub load_extensions {
1331 cf::sync_job {
1332 my %todo;
1333
982 for my $ext (<$LIBDIR/*.ext>) { 1334 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1335 next unless -r $path;
984 eval { 1336
985 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 $progress = 1;
986 1 1393 }
987 } or warn "$ext not loaded: $@"; 1394
1395 skip:
1396 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1397 unless $progress;
1398 }
988 } 1399 };
989} 1400}
990 1401
991############################################################################# 1402#############################################################################
992 1403
1404=back
1405
993=head2 CORE EXTENSIONS 1406=head2 CORE EXTENSIONS
994 1407
995Functions and methods that extend core crossfire objects. 1408Functions and methods that extend core deliantra objects.
996 1409
997=cut 1410=cut
998 1411
999package cf::player; 1412package cf::player;
1000 1413
1001use Coro::AIO; 1414use Coro::AIO;
1002 1415
1003=head3 cf::player 1416=head3 cf::player
1004 1417
1005=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}
1006 1433
1007=item cf::player::find $login 1434=item cf::player::find $login
1008 1435
1009Returns the given player object, loading it if necessary (might block). 1436Returns the given player object, loading it if necessary (might block).
1010 1437
… …
1029 1456
1030sub exists($) { 1457sub exists($) {
1031 my ($login) = @_; 1458 my ($login) = @_;
1032 1459
1033 $cf::PLAYER{$login} 1460 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1461 or !aio_stat path $login
1035} 1462}
1036 1463
1037sub find($) { 1464sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1465 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1466 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1473 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1474 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1475 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1476 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1477
1051 my $pl = load_pl path $login 1478 my $f = new_from_file cf::object::thawer path $login
1052 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;
1053 $cf::PLAYER{$login} = $pl 1486 $cf::PLAYER{$login} = $pl
1054 } 1487 }
1055 } 1488 }
1056} 1489}
1057 1490
… …
1066 return if $pl->{deny_save}; 1499 return if $pl->{deny_save};
1067 1500
1068 aio_mkdir playerdir $pl, 0770; 1501 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1502 $pl->{last_save} = $cf::RUNTIME;
1070 1503
1504 cf::get_slot 0.01;
1505
1071 $pl->save_pl ($path); 1506 $pl->save_pl ($path);
1072 Coro::cede; 1507 cf::cede_to_tick;
1073} 1508}
1074 1509
1075sub new($) { 1510sub new($) {
1076 my ($login) = @_; 1511 my ($login) = @_;
1077 1512
… …
1083 $cf::PLAYER{$login} = $self; 1518 $cf::PLAYER{$login} = $self;
1084 1519
1085 $self 1520 $self
1086} 1521}
1087 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
1088=item $pl->quit_character 1533=item $pl->quit_character
1089 1534
1090Nukes the player without looking back. If logged in, the connection will 1535Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1536be destroyed. May block for a long time.
1092 1537
… …
1096 my ($pl) = @_; 1541 my ($pl) = @_;
1097 1542
1098 my $name = $pl->ob->name; 1543 my $name = $pl->ob->name;
1099 1544
1100 $pl->{deny_save} = 1; 1545 $pl->{deny_save} = 1;
1101 $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
1102 1547
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1548 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1549 $pl->deactivate;
1550 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1551 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1552 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1553 $pl->ns->destroy if $pl->ns;
1107 1554
1108 my $path = playerdir $pl; 1555 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1556 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1592 or return [];
1146 1593
1147 my @logins; 1594 my @logins;
1148 1595
1149 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1602 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1603 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1604 $buf !~ /^password -------------$/m or next; # official not-valid tag
1605 }
1153 1606
1154 utf8::decode $login; 1607 utf8::decode $login;
1155 push @logins, $login; 1608 push @logins, $login;
1156 } 1609 }
1157 1610
… …
1184 } 1637 }
1185 1638
1186 \@paths 1639 \@paths
1187} 1640}
1188 1641
1642=item $protocol_xml = $player->expand_cfpod ($cfpod)
1643
1644Expand deliantra pod fragments into protocol xml.
1645
1189=item $player->ext_reply ($msgid, %msg) 1646=item $player->ext_reply ($msgid, @msg)
1190 1647
1191Sends an ext reply to the player. 1648Sends an ext reply to the player.
1192 1649
1193=cut 1650=cut
1194 1651
1195sub ext_reply($$%) { 1652sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1653 my ($self, $id, @msg) = @_;
1197 1654
1198 $msg{msgid} = $id; 1655 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1656}
1202 1657
1203=item $player->ext_event ($type, %msg) 1658=item $player->ext_msg ($type, @msg)
1204 1659
1205Sends an ext event to the client. 1660Sends an ext event to the client.
1206 1661
1207=cut 1662=cut
1208 1663
1209sub ext_event($$%) { 1664sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1665 my ($self, $type, @msg) = @_;
1211 1666
1212 $self->ns->ext_event ($type, %msg); 1667 $self->ns->ext_msg ($type, @msg);
1213} 1668}
1214 1669
1215=head3 cf::region 1670=head3 cf::region
1216 1671
1217=over 4 1672=over 4
… …
1220 1675
1221package cf::region; 1676package cf::region;
1222 1677
1223=item cf::region::find_by_path $path 1678=item cf::region::find_by_path $path
1224 1679
1225Tries to decuce the probable region for a map knowing only its path. 1680Tries to decuce the likely region for a map knowing only its path.
1226 1681
1227=cut 1682=cut
1228 1683
1229sub find_by_path($) { 1684sub find_by_path($) {
1230 my ($path) = @_; 1685 my ($path) = @_;
1231 1686
1232 my ($match, $specificity); 1687 my ($match, $specificity);
1233 1688
1234 for my $region (list) { 1689 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1690 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1691 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1692 if $region->specificity > $specificity;
1238 } 1693 }
1239 } 1694 }
1240 1695
… …
1261our $MAX_RESET = 3600; 1716our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1717our $DEFAULT_RESET = 3000;
1263 1718
1264sub generate_random_map { 1719sub generate_random_map {
1265 my ($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
1266 # mit "rum" bekleckern, nicht 1724 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1725 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1726 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1727 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1728 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1762 my ($self, $merge) = @_;
1305 1763
1306 # we have to keep some variables in memory intact 1764 # we have to keep some variables in memory intact
1307 local $self->{path}; 1765 local $self->{path};
1308 local $self->{load_path}; 1766 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1767
1312 $self->SUPER::thawer_merge ($merge); 1768 $self->SUPER::thawer_merge ($merge);
1313} 1769}
1314 1770
1315sub normalise { 1771sub normalise {
… …
1362 $self->init; # pass $1 etc. 1818 $self->init; # pass $1 etc.
1363 return $self; 1819 return $self;
1364 } 1820 }
1365 } 1821 }
1366 1822
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1823 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1824 ()
1369} 1825}
1370 1826
1371sub init { 1827sub init {
1372 my ($self) = @_; 1828 my ($self) = @_;
… …
1394 1850
1395# the temporary/swap location 1851# the temporary/swap location
1396sub save_path { 1852sub save_path {
1397 my ($self) = @_; 1853 my ($self) = @_;
1398 1854
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1855 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1856 "$TMPDIR/$path.map"
1401} 1857}
1402 1858
1403# the unique path, undef == no special unique path 1859# the unique path, undef == no special unique path
1404sub uniq_path { 1860sub uniq_path {
1405 my ($self) = @_; 1861 my ($self) = @_;
1406 1862
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1864 "$UNIQUEDIR/$path"
1409} 1865}
1410 1866
1411# and all this just because we cannot iterate over 1867# and all this just because we cannot iterate over
1412# all maps in C++... 1868# all maps in C++...
… …
1415 1871
1416 $_->change_map_light ($change) 1872 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1873 for grep $_->outdoor, values %cf::MAP;
1418} 1874}
1419 1875
1876sub decay_objects {
1877 my ($self) = @_;
1878
1879 return if $self->{deny_reset};
1880
1881 $self->do_decay_objects;
1882}
1883
1420sub unlink_save { 1884sub unlink_save {
1421 my ($self) = @_; 1885 my ($self) = @_;
1422 1886
1423 utf8::encode (my $save = $self->save_path); 1887 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1888 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1427 1891
1428sub load_header_from($) { 1892sub load_header_from($) {
1429 my ($self, $path) = @_; 1893 my ($self, $path) = @_;
1430 1894
1431 utf8::encode $path; 1895 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1896 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 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;
1437 1904
1438 $self->{load_path} = $path; 1905 $self->{load_path} = $path;
1439 1906
1440 1 1907 1
1441} 1908}
… …
1480 $self->load_header_orig 1947 $self->load_header_orig
1481 or return; 1948 or return;
1482 $self->prepare_orig; 1949 $self->prepare_orig;
1483 } 1950 }
1484 1951
1952 $self->{deny_reset} = 1
1953 if $self->no_reset;
1954
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1955 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1956 unless $self->default_region;
1487 1957
1488 1 1958 1
1489} 1959}
… …
1492sub find { 1962sub find {
1493 my ($path, $origin) = @_; 1963 my ($path, $origin) = @_;
1494 1964
1495 $path = normalise $path, $origin && $origin->path; 1965 $path = normalise $path, $origin && $origin->path;
1496 1966
1967 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1968 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1969
1499 $cf::MAP{$path} || do { 1970 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1971 my $map = new_from_path cf::map $path
1502 or return; 1972 or return;
1503 1973
1504 $map->{last_save} = $cf::RUNTIME; 1974 $map->{last_save} = $cf::RUNTIME;
1505 1975
1506 $map->load_header 1976 $map->load_header
1507 or return; 1977 or return;
1508 1978
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1979 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1980 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1981 #$cf::WAIT_FOR_TICK->wait;
1982 undef $guard2;
1983 undef $guard1;
1512 $map->reset; 1984 $map->reset;
1513 undef $guard;
1514 return find $path; 1985 return find $path;
1515 } 1986 }
1516 1987
1517 $cf::MAP{$path} = $map 1988 $cf::MAP{$path} = $map
1518 } 1989 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 1998 local $self->{deny_reset} = 1; # loading can take a long time
1528 1999
1529 my $path = $self->{path}; 2000 my $path = $self->{path};
1530 2001
1531 { 2002 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2003 my $guard = cf::lock_acquire "map_data:$path";
1533 2004
2005 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2006 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2007
1536 $self->in_memory (cf::MAP_LOADING); 2008 $self->in_memory (cf::MAP_LOADING);
1537 2009
1538 $self->alloc; 2010 $self->alloc;
1539 2011
1540 $self->pre_load; 2012 $self->pre_load;
1541 Coro::cede; 2013 cf::cede_to_tick;
1542 2014
2015 my $f = new_from_file cf::object::thawer $self->{load_path};
2016 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2017 $self->_load_objects ($f)
1544 or return; 2018 or return;
1545 2019
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2020 $self->post_load_original
1547 if delete $self->{load_original}; 2021 if delete $self->{load_original};
1548 2022
1549 if (my $uniq = $self->uniq_path) { 2023 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2024 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2025 unless (aio_stat $uniq) {
2026 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2027 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2028 $self->_load_objects ($f);
2029 $f->resolve_delayed_derefs;
2030 }
1554 } 2031 }
1555 } 2032 }
1556 2033
1557 Coro::cede; 2034 $f->resolve_delayed_derefs;
2035
2036 cf::cede_to_tick;
1558 # now do the right thing for maps 2037 # now do the right thing for maps
1559 $self->link_multipart_objects; 2038 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2039 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2040 unless $self->difficulty;
1562 Coro::cede; 2041 cf::cede_to_tick;
1563 2042
1564 unless ($self->{deny_activate}) { 2043 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2044 $self->decay_objects;
1566 $self->fix_auto_apply; 2045 $self->fix_auto_apply;
1567 $self->update_buttons; 2046 $self->update_buttons;
1568 Coro::cede; 2047 cf::cede_to_tick;
1569 $self->set_darkness_map; 2048 $self->set_darkness_map;
1570 Coro::cede; 2049 cf::cede_to_tick;
1571 $self->activate; 2050 $self->activate;
1572 } 2051 }
1573 2052
2053 $self->{last_save} = $cf::RUNTIME;
2054 $self->last_access ($cf::RUNTIME);
2055
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2057 }
1576 2058
1577 $self->post_load; 2059 $self->post_load;
1578} 2060}
1579 2061
… …
1581 my ($self, $ob) = @_; 2063 my ($self, $ob) = @_;
1582 2064
1583 return find "~" . $ob->name . "/" . $self->{path} 2065 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2066 if $self->per_player;
1585 2067
2068# return find "?party/" . $ob->name . "/" . $self->{path}
2069# if $self->per_party;
2070
1586 $self 2071 $self
1587} 2072}
1588 2073
1589# find and load all maps in the 3x3 area around a map 2074# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2075sub load_neighbours {
1591 my ($map) = @_; 2076 my ($map) = @_;
1592 2077
1593 my @diag; # diagonal neighbours 2078 my @neigh; # diagonal neighbours
1594 2079
1595 for (0 .. 3) { 2080 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2081 my $neigh = $map->tile_path ($_)
1597 or next; 2082 or next;
1598 $neigh = find $neigh, $map 2083 $neigh = find $neigh, $map
1599 or next; 2084 or next;
1600 $neigh->load; 2085 $neigh->load;
1601 2086
2087 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2088 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2089 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2090 }
1605 2091
1606 for (@diag) { 2092 for (grep defined $_->[0], @neigh) {
2093 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2094 my $neigh = find $path, $origin
1608 or next; 2095 or next;
1609 $neigh->load; 2096 $neigh->load;
1610 } 2097 }
1611} 2098}
1612 2099
… …
1617} 2104}
1618 2105
1619sub do_load_sync { 2106sub do_load_sync {
1620 my ($map) = @_; 2107 my ($map) = @_;
1621 2108
2109 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2110 if $Coro::current == $Coro::main;
2111
1622 cf::sync_job { $map->load }; 2112 cf::sync_job { $map->load };
1623} 2113}
1624 2114
1625our %MAP_PREFETCH; 2115our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2116our $MAP_PREFETCHER = undef;
1627 2117
1628sub find_async { 2118sub find_async {
1629 my ($path, $origin) = @_; 2119 my ($path, $origin, $load) = @_;
1630 2120
1631 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
1632 2122
1633 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2125 }
1636 2126
1637 undef $MAP_PREFETCH{$path}; 2127 $MAP_PREFETCH{$path} |= $load;
2128
1638 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2130 $Coro::current->{desc} = "map prefetcher";
2131
1639 while (%MAP_PREFETCH) { 2132 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2133 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2134 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2135 $map->load if $v;
2136 }
1644 2137
1645 delete $MAP_PREFETCH{$path}; 2138 delete $MAP_PREFETCH{$k};
1646 } 2139 }
1647 } 2140 }
1648 undef $MAP_PREFETCHER; 2141 undef $MAP_PREFETCHER;
1649 }; 2142 };
1650 $MAP_PREFETCHER->prio (6); 2143 $MAP_PREFETCHER->prio (6);
… …
1653} 2146}
1654 2147
1655sub save { 2148sub save {
1656 my ($self) = @_; 2149 my ($self) = @_;
1657 2150
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2151 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2152
1660 $self->{last_save} = $cf::RUNTIME; 2153 $self->{last_save} = $cf::RUNTIME;
1661 2154
1662 return unless $self->dirty; 2155 return unless $self->dirty;
1663 2156
… …
1669 return if $self->{deny_save}; 2162 return if $self->{deny_save};
1670 2163
1671 local $self->{last_access} = $self->last_access;#d# 2164 local $self->{last_access} = $self->last_access;#d#
1672 2165
1673 cf::async { 2166 cf::async {
2167 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
1675 }; 2169 };
2170
2171 cf::get_slot 0.02;
1676 2172
1677 if ($uniq) { 2173 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2176 } else {
… …
1686 my ($self) = @_; 2182 my ($self) = @_;
1687 2183
1688 # save first because save cedes 2184 # save first because save cedes
1689 $self->save; 2185 $self->save;
1690 2186
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2188
1693 return if $self->players; 2189 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2191 return if $self->{deny_save};
1696 2192
2193 $self->in_memory (cf::MAP_SWAPPED);
2194
2195 $self->deactivate;
2196 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2197 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2198}
1700 2199
1701sub reset_at { 2200sub reset_at {
1702 my ($self) = @_; 2201 my ($self) = @_;
1703 2202
1704 # TODO: safety, remove and allow resettable per-player maps 2203 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2204 return 1e99 if $self->{deny_reset};
1707 2205
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2206 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2207 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2208
… …
1721 my ($self) = @_; 2219 my ($self) = @_;
1722 2220
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2222
1725 return if $self->players; 2223 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2224
1728 warn "resetting map ", $self->path;#d# 2225 warn "resetting map ", $self->path;
1729 2226
1730 $self->in_memory (cf::MAP_SWAPPED); 2227 $self->in_memory (cf::MAP_SWAPPED);
1731 2228
1732 # need to save uniques path 2229 # need to save uniques path
1733 unless ($self->{deny_save}) { 2230 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2234 if $uniq;
1738 } 2235 }
1739 2236
1740 delete $cf::MAP{$self->path}; 2237 delete $cf::MAP{$self->path};
1741 2238
2239 $self->deactivate;
2240 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2241 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2242
1746 $self->unlink_save; 2243 $self->unlink_save;
1747 $self->destroy; 2244 $self->destroy;
1748} 2245}
1749 2246
1750my $nuke_counter = "aaaa"; 2247my $nuke_counter = "aaaa";
1751 2248
1752sub nuke { 2249sub nuke {
1753 my ($self) = @_; 2250 my ($self) = @_;
1754 2251
2252 {
2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2254
1755 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1756 2256
1757 $self->unlink_save; 2257 $self->unlink_save;
1758 2258
1759 bless $self, "cf::map"; 2259 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2260 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2261 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2262 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2263 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2264
1765 $cf::MAP{$self->path} = $self; 2265 $cf::MAP{$self->path} = $self;
2266 }
1766 2267
1767 $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 ]
1768} 2305}
1769 2306
1770=item cf::map::unique_maps 2307=item cf::map::unique_maps
1771 2308
1772Returns an arrayref of paths of all shared maps that have 2309Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2310instantiated unique items. May block.
1774 2311
1775=cut 2312=cut
1776 2313
1777sub unique_maps() { 2314sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2315 [
1779 or return; 2316 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2317 utf8::decode $_;
1785 next if /\.pst$/; 2318 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2320 ? ()
1788 push @paths, cf::map::normalise $_; 2321 : normalise $_
2322 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2323 ]
1790
1791 \@paths
1792} 2324}
1793
1794package cf;
1795 2325
1796=back 2326=back
1797 2327
1798=head3 cf::object 2328=head3 cf::object
1799 2329
… …
1803 2333
1804=over 4 2334=over 4
1805 2335
1806=item $ob->inv_recursive 2336=item $ob->inv_recursive
1807 2337
1808Returns 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.
1809 2340
1810=cut 2341=cut
1811 2342
1812sub inv_recursive_; 2343sub inv_recursive_;
1813sub inv_recursive_ { 2344sub inv_recursive_ {
… …
1816 2347
1817sub inv_recursive { 2348sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
1819} 2350}
1820 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
1821package cf; 2380package cf;
1822 2381
1823=back 2382=back
1824 2383
1825=head3 cf::object::player 2384=head3 cf::object::player
… …
1831Sends 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>
1832can 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
1833dialogue with the given NPC character. 2392dialogue with the given NPC character.
1834 2393
1835=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};
1836 2409
1837# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2411# with dialog boxes.
1839#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
1840sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
… …
1842 2415
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2416 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2417
1845 if ($self->{record_replies}) { 2418 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2419 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2420
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2431 }
1850 } 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 (@_);
1851} 2443}
1852 2444
1853=item $player_object->may ("access") 2445=item $player_object->may ("access")
1854 2446
1855Returns wether the given player is authorized to access resource "access" 2447Returns wether the given player is authorized to access resource "access"
… …
1868 2460
1869=item $player_object->enter_link 2461=item $player_object->enter_link
1870 2462
1871Freezes 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}>).
1872 2464
1873The 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.
1874I<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.
1875 2469
1876Will never block. 2470Will never block.
1877 2471
1878=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
1879 2473
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2528 # use -1 or undef as default coordinates, not 0, 0
1935 ($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
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2543=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2544
1950Moves the player to the given map-path and coordinates by first freezing 2545Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2546her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2547that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2548the new (success) or old (failed) map position. In either case, $done will
2549be called at the end of this process.
2550
2551Note that $check will be called with a potentially non-loaded map, so if
2552it needs a loaded map it has to call C<< ->load >>.
1954 2553
1955=cut 2554=cut
1956 2555
1957our $GOTOGEN; 2556our $GOTOGEN;
1958 2557
1959sub cf::object::player::goto { 2558sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2559 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2560
1962 # do generation counting so two concurrent goto's will be executed in-order 2561 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2562 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2563
1965 $self->enter_link; 2564 $self->enter_link;
1966 2565
1967 (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
1968 my $map = eval { 2588 my $map = eval {
1969 my $map = cf::map::find $path; 2589 my $map = defined $path ? cf::map::find $path : undef;
1970 2590
1971 if ($map) { 2591 if ($map) {
1972 $map = $map->customise_for ($self); 2592 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2593 $map = $check->($map) if $check && $map;
1974 } else { 2594 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2595 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2596 }
1977 2597
1978 $map 2598 $map
1979 }; 2599 };
1980 2600
… …
1985 2605
1986 if ($gen == $self->{_goto_generation}) { 2606 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2607 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2608 $self->leave_link ($map, $x, $y);
1989 } 2609 }
2610
2611 $done->() if $done;
1990 })->prio (1); 2612 })->prio (1);
1991} 2613}
1992 2614
1993=item $player_object->enter_exit ($exit_object) 2615=item $player_object->enter_exit ($exit_object)
1994 2616
… …
2014} 2636}
2015 2637
2016sub prepare_random_map { 2638sub prepare_random_map {
2017 my ($exit) = @_; 2639 my ($exit) = @_;
2018 2640
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2641 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2642 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2643 # that depends on the exit object
2024 2644
2025 my $rmp = parse_random_map_params $exit->msg; 2645 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2647 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2648 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2649 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2650 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2652
2653 $exit->map->touch;
2032 } 2654 }
2033 2655
2034 $rmp->{random_seed} ||= $exit->random_seed; 2656 $rmp->{random_seed} ||= $exit->random_seed;
2035 2657
2036 my $data = cf::to_json $rmp; 2658 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2659 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2660 my $meta = "$RANDOMDIR/$md5.meta";
2039 2661
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2662 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2663 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2664 undef $fh;
2043 aio_rename "$meta~", $meta; 2665 aio_rename "$meta~", $meta;
2044 2666
2667 my $slaying = "?random/$md5";
2668
2669 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2670 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2671 $exit->msg (undef);
2672 }
2047 } 2673 }
2048} 2674}
2049 2675
2050sub cf::object::player::enter_exit { 2676sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2677 my ($self, $exit) = @_;
2052 2678
2053 return unless $self->type == cf::PLAYER; 2679 return unless $self->type == cf::PLAYER;
2054 2680
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2681 $self->enter_link;
2067 2682
2068 (async { 2683 (async {
2069 $self->deactivate_recursive; # just to be sure 2684 $Coro::current->{desc} = "enter_exit";
2685
2070 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
2071 $self->goto ($slaying, $hp, $sp); 2701 $self->goto ($map, $x, $y);
2072 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
2073 1; 2707 1
2074 }) { 2708 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2709 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "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. "
2077 . "Please report this to the dungeon master!", 2711 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2712 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2713
2080 warn "ERROR in enter_exit: $@"; 2714 warn "ERROR in enter_exit: $@";
… …
2099 2733
2100 utf8::encode $text; 2734 utf8::encode $text;
2101 $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);
2102} 2736}
2103 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
2104=item $client->ext_event ($type, %msg) 2889=item $client->ext_msg ($type, @msg)
2105 2890
2106Sends an exti event to the client. 2891Sends an ext event to the client.
2107 2892
2108=cut 2893=cut
2109 2894
2110sub cf::client::ext_event($$%) { 2895sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2896 my ($self, $type, @msg) = @_;
2112 2897
2898 if ($self->extcmd == 2) {
2899 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2900 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2901 push @msg, msgtype => "event_$type";
2114 $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 }
2115} 2922}
2116 2923
2117=item $success = $client->query ($flags, "text", \&cb) 2924=item $success = $client->query ($flags, "text", \&cb)
2118 2925
2119Queues a query to the client, calling the given callback with 2926Queues a query to the client, calling the given callback with
2120the 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>,
2121C<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>.
2122 2929
2123Queries 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
2124reliable at some point in the future. 2931become reliable at some point in the future.
2125 2932
2126=cut 2933=cut
2127 2934
2128sub cf::client::query { 2935sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2936 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 2944 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2945 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2946
2140 $self->send_packet ($self->{query_queue}[0][0]) 2947 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2948 if @{ $self->{query_queue} } == 1;
2949
2950 1
2142} 2951}
2143 2952
2144cf::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 },
2145 on_reply => sub { 2959 on_reply => sub {
2146 my ($ns, $msg) = @_; 2960 my ($ns, $msg) = @_;
2147 2961
2148 # this weird shuffling is so that direct followup queries 2962 # this weird shuffling is so that direct followup queries
2149 # get handled first 2963 # get handled first
… …
2161 } else { 2975 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2976 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2977 }
2164 } 2978 }
2165 }, 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 },
2166); 3006);
2167 3007
2168=item $client->async (\&cb) 3008=item $client->async (\&cb)
2169 3009
2170Create a new coroutine, running the specified callback. The coroutine will 3010Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3051our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3052our $safe_hole = new Safe::Hole;
2213 3053
2214$SIG{FPE} = 'IGNORE'; 3054$SIG{FPE} = 'IGNORE';
2215 3055
2216$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));
2217 3061
2218# here we export the classes and methods available to script code 3062# here we export the classes and methods available to script code
2219 3063
2220=pod 3064=pod
2221 3065
2222The following functions and methods are available within a safe environment: 3066The following functions and methods are available within a safe environment:
2223 3067
2224 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
2225 cf::object::player player 3072 cf::object::player
2226 cf::player peaceful 3073 player
2227 cf::map trigger 3074
3075 cf::player
3076 peaceful
3077
3078 cf::map
3079 trigger
2228 3080
2229=cut 3081=cut
2230 3082
2231for ( 3083for (
2232 ["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)],
2233 ["cf::object::player" => qw(player)], 3087 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3088 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3089 ["cf::map" => qw(trigger)],
2236) { 3090) {
2237 no strict 'refs'; 3091 no strict 'refs';
… …
2308=back 3162=back
2309 3163
2310=cut 3164=cut
2311 3165
2312############################################################################# 3166#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3167# the server's init and main functions
2486 3168
2487sub load_facedata($) { 3169sub load_facedata($) {
2488 my ($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;
2489 3177
2490 warn "loading facedata from $path\n"; 3178 warn "loading facedata from $path\n";
2491 3179
2492 my $facedata; 3180 my $facedata;
2493 0 < aio_load $path, $facedata 3181 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3184 $facedata = Coro::Storable::thaw $facedata;
2497 3185
2498 $facedata->{version} == 2 3186 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3187 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 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
2501 { 3196 {
2502 my $faces = $facedata->{faceinfo}; 3197 my $faces = $facedata->{faceinfo};
2503 3198
2504 while (my ($face, $info) = each %$faces) { 3199 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3200 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3201
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3202 cf::face::set_visibility $idx, $info->{visibility};
3203 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3204 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3205 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3206
3207 cf::cede_to_tick;
2510 } 3208 }
2511 3209
2512 while (my ($face, $info) = each %$faces) { 3210 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3211 next unless $info->{smooth};
3212
2514 my $idx = cf::face::find $face 3213 my $idx = cf::face::find $face
2515 or next; 3214 or next;
3215
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3216 if (my $smooth = cf::face::find $info->{smooth}) {
3217 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3218 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3219 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3220 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3221 }
2521 Coro::cede; 3222
3223 cf::cede_to_tick;
2522 } 3224 }
2523 } 3225 }
2524 3226
2525 { 3227 {
2526 my $anims = $facedata->{animinfo}; 3228 my $anims = $facedata->{animinfo};
2527 3229
2528 while (my ($anim, $info) = each %$anims) { 3230 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3231 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3232 cf::cede_to_tick;
2531 } 3233 }
2532 3234
2533 cf::anim::invalidate_all; # d'oh 3235 cf::anim::invalidate_all; # d'oh
2534 } 3236 }
2535 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
2536 1 3273 1
2537} 3274}
2538 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 $status
3312}
3313
2539sub reload_regions { 3314sub reload_regions {
3315 # HACK to clear player env face cache, we need some signal framework
3316 # for this (global event?)
3317 %ext::player_env::MUSIC_FACE_CACHE = ();
3318
2540 load_resource_file "$MAPDIR/regions" 3319 load_resource_file "$MAPDIR/regions"
2541 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 $_->{match};
3325 }
2542} 3326}
2543 3327
2544sub reload_facedata { 3328sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3329 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3330 or die "unable to load facedata\n";
… …
2557} 3341}
2558 3342
2559sub reload_resources { 3343sub reload_resources {
2560 warn "reloading resource files...\n"; 3344 warn "reloading resource files...\n";
2561 3345
2562 reload_regions;
2563 reload_facedata; 3346 reload_facedata;
2564 reload_archetypes; 3347 reload_archetypes;
3348 reload_regions;
2565 reload_treasures; 3349 reload_treasures;
2566 3350
2567 warn "finished reloading resource files\n"; 3351 warn "finished reloading resource files\n";
2568} 3352}
2569 3353
2570sub init { 3354sub reload_config {
2571 reload_resources;
2572}
2573
2574sub cfg_load {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3355 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3356 or return;
2577 3357
2578 local $/; 3358 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3359 *CFG = YAML::Load <$fh>;
2580 3360
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3361 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3362
2583 $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};
2584 $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};
… …
2590 }; 3370 };
2591 warn $@ if $@; 3371 warn $@ if $@;
2592 } 3372 }
2593} 3373}
2594 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
2595sub 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
3407 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3408
2596 # we must not ever block the main coroutine 3409 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3410 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3411 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3412 (async {
2600 Event::one_event; 3413 $Coro::current->{desc} = "IDLE BUG HANDLER";
3414 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3415 })->prio (Coro::PRIO_MAX);
2602 }; 3416 };
2603 3417
2604 cfg_load; 3418 evthread_start IO::AIO::poll_fileno;
3419
3420 cf::sync_job {
3421 reload_resources;
3422 reload_config;
2605 db_init; 3423 db_init;
3424
3425 cf::load_settings;
3426 cf::load_materials;
3427 cf::init_uuid;
3428 cf::init_signals;
3429 cf::init_commands;
3430 cf::init_skills;
3431
3432 cf::init_beforeplay;
3433
3434 atomic;
3435
2606 load_extensions; 3436 load_extensions;
2607 3437
2608 $TICK_WATCHER->start; 3438 utime time, time, $RUNTIMEFILE;
3439
3440 # no (long-running) fork's whatsoever before this point(!)
3441 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3442
3443 (pop @POST_INIT)->(0) while @POST_INIT;
3444 };
3445
2609 Event::loop; 3446 EV::loop;
2610} 3447}
2611 3448
2612############################################################################# 3449#############################################################################
2613# initialisation and cleanup 3450# initialisation and cleanup
2614 3451
2615# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2616BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2625 },
2626 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time.
3465
3466 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3467
3468 my $guard = cf::lock_acquire "write_runtime";
3469
3470 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3471 or return;
3472
3473 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server.
3476
3477 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3478 and return;
3479
3480 # always fsync - this file is important
3481 aio_fsync $fh
3482 and return;
3483
3484 # touch it again to show we are up-to-date
3485 aio_utime $fh, undef, undef;
3486
3487 close $fh
3488 or return;
3489
3490 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3491 and return;
3492
3493 warn "runtime file written.\n";
3494
2627 } 3495 1
3496}
3497
3498our $uuid_lock;
3499our $uuid_skip;
3500
3501sub write_uuid_sync($) {
3502 $uuid_skip ||= $_[0];
3503
3504 return if $uuid_lock;
3505 local $uuid_lock = 1;
3506
3507 my $uuid = "$LOCALDIR/uuid";
3508
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = uuid_seq uuid_cur;
3513
3514 unless ($value) {
3515 warn "cowardly refusing to write zero uuid value!\n";
3516 return;
3517 }
3518
3519 my $value = uuid_str $value + $uuid_skip;
3520 $uuid_skip = 0;
3521
3522 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3523 and return;
3524
3525 # always fsync - this file is important
3526 aio_fsync $fh
3527 and return;
3528
3529 close $fh
3530 or return;
3531
3532 aio_rename "$uuid~", $uuid
3533 and return;
3534
3535 warn "uuid file written ($value).\n";
3536
3537 1
3538
3539}
3540
3541sub write_uuid($$) {
3542 my ($skip, $sync) = @_;
3543
3544 $sync ? write_uuid_sync $skip
3545 : async { write_uuid_sync $skip };
2628} 3546}
2629 3547
2630sub emergency_save() { 3548sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3549 my $freeze_guard = cf::freeze_mainloop;
2632 3550
2633 warn "enter emergency perl save\n"; 3551 warn "emergency_perl_save: enter\n";
2634 3552
2635 cf::sync_job { 3553 cf::sync_job {
3554 # this is a trade-off: we want to be very quick here, so
3555 # save all maps without fsync, and later call a global sync
3556 # (which in turn might be very very slow)
3557 local $USE_FSYNC = 0;
3558
2636 # use a peculiar iteration method to avoid tripping on perl 3559 # use a peculiar iteration method to avoid tripping on perl
2637 # refcount bugs in for. also avoids problems with players 3560 # refcount bugs in for. also avoids problems with players
2638 # and maps saved/destroyed asynchronously. 3561 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3562 warn "emergency_perl_save: begin player save\n";
2640 for my $login (keys %cf::PLAYER) { 3563 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3564 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3565 $pl->valid or next;
3566 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3567 $pl->save;
2644 } 3568 }
2645 warn "end emergency player save\n"; 3569 warn "emergency_perl_save: end player save\n";
2646 3570
2647 warn "begin emergency map save\n"; 3571 warn "emergency_perl_save: begin map save\n";
2648 for my $path (keys %cf::MAP) { 3572 for my $path (keys %cf::MAP) {
2649 my $map = $cf::MAP{$path} or next; 3573 my $map = $cf::MAP{$path} or next;
2650 $map->valid or next; 3574 $map->valid or next;
2651 $map->save; 3575 $map->save;
2652 } 3576 }
2653 warn "end emergency map save\n"; 3577 warn "emergency_perl_save: end map save\n";
2654 3578
2655 warn "begin emergency database checkpoint\n"; 3579 warn "emergency_perl_save: begin database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3580 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3581 warn "emergency_perl_save: end database checkpoint\n";
3582
3583 warn "emergency_perl_save: begin write uuid\n";
3584 write_uuid_sync 1;
3585 warn "emergency_perl_save: end write uuid\n";
2658 }; 3586 };
2659 3587
3588 warn "emergency_perl_save: starting sync()\n";
3589 IO::AIO::aio_sync sub {
3590 warn "emergency_perl_save: finished sync()\n";
3591 };
3592
2660 warn "leave emergency perl save\n"; 3593 warn "emergency_perl_save: leave\n";
2661} 3594}
2662 3595
2663sub post_cleanup { 3596sub post_cleanup {
2664 my ($make_core) = @_; 3597 my ($make_core) = @_;
2665 3598
2666 warn Carp::longmess "post_cleanup backtrace" 3599 warn Carp::longmess "post_cleanup backtrace"
2667 if $make_core; 3600 if $make_core;
3601
3602 my $fh = pidfile;
3603 unlink $PIDFILE if <$fh> == $$;
3604}
3605
3606# a safer delete_package, copied from Symbol
3607sub clear_package($) {
3608 my $pkg = shift;
3609
3610 # expand to full symbol table name if needed
3611 unless ($pkg =~ /^main::.*::$/) {
3612 $pkg = "main$pkg" if $pkg =~ /^::/;
3613 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3614 $pkg .= '::' unless $pkg =~ /::$/;
3615 }
3616
3617 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3618 my $stem_symtab = *{$stem}{HASH};
3619
3620 defined $stem_symtab and exists $stem_symtab->{$leaf}
3621 or return;
3622
3623 # clear all symbols
3624 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3625 for my $name (keys %$leaf_symtab) {
3626 _gv_clear *{"$pkg$name"};
3627# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3628 }
3629 warn "cleared package $pkg\n";#d#
2668} 3630}
2669 3631
2670sub do_reload_perl() { 3632sub do_reload_perl() {
2671 # can/must only be called in main 3633 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3634 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3635 warn "can only reload from main coroutine";
2674 return; 3636 return;
2675 } 3637 }
2676 3638
3639 return if $RELOAD++;
3640
3641 my $t1 = EV::time;
3642
3643 while ($RELOAD) {
2677 warn "reloading..."; 3644 warn "reloading...";
2678 3645
2679 warn "entering sync_job"; 3646 warn "entering sync_job";
2680 3647
2681 cf::sync_job { 3648 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3649 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3650 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3651 cf::write_runtime_sync; # external watchdog should not bark
2685 3652
2686 warn "syncing database to disk"; 3653 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3654 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3655
2689 # if anything goes wrong in here, we should simply crash as we already saved 3656 # if anything goes wrong in here, we should simply crash as we already saved
2690 3657
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695
2696 warn "flushing outstanding aio requests"; 3658 warn "flushing outstanding aio requests";
2697 for (;;) {
2698 BDB::flush;
2699 IO::AIO::flush;
2700 Coro::cede;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3659 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3660 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703 }
2704
2705 ++$RELOAD;
2706
2707 warn "cancelling all extension coros";
2708 $_->cancel for values %EXT_CORO;
2709 %EXT_CORO = ();
2710
2711 warn "removing commands";
2712 %COMMAND = ();
2713
2714 warn "removing ext commands";
2715 %EXTCMD = ();
2716
2717 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg";
2720
2721 if (my $cb = $pkg->can ("unload")) {
2722 eval {
2723 $cb->($pkg);
2724 1
2725 } or warn "$pkg unloaded, but with errors: $@";
2726 } 3661 }
2727 3662
2728 warn "... nuking $pkg"; 3663 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3664 $_->cancel for values %EXT_CORO;
2730 } 3665 %EXT_CORO = ();
2731 3666
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3667 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3668 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3669
3670 warn "removing ext/exti commands";
3671 %EXTCMD = ();
3672 %EXTICMD = ();
3673
3674 warn "unloading/nuking all extensions";
3675 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3676 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3677
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3678 if (my $cb = $pkg->can ("unload")) {
3679 eval {
2743 $cb->(); 3680 $cb->($pkg);
3681 1
3682 } or warn "$pkg unloaded, but with errors: $@";
3683 }
3684
3685 warn "... clearing $pkg";
3686 clear_package $pkg;
2744 } 3687 }
2745 3688
2746 Symbol::delete_package $k; 3689 warn "unloading all perl modules loaded from $LIBDIR";
3690 while (my ($k, $v) = each %INC) {
3691 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3692
3693 warn "... unloading $k";
3694 delete $INC{$k};
3695
3696 $k =~ s/\.pm$//;
3697 $k =~ s/\//::/g;
3698
3699 if (my $cb = $k->can ("unload_module")) {
3700 $cb->();
3701 }
3702
3703 clear_package $k;
2747 } 3704 }
2748 3705
2749 warn "getting rid of safe::, as good as possible"; 3706 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3707 clear_package "safe::$_"
2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3708 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752 3709
2753 warn "unloading cf.pm \"a bit\""; 3710 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3711 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3712 delete $INC{"cf/pod.pm"};
2756 3713
2757 # don't, removes xs symbols, too, 3714 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3715 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3716 #clear_package __PACKAGE__;
2760 3717
2761 warn "unload completed, starting to reload now"; 3718 warn "unload completed, starting to reload now";
2762 3719
2763 warn "reloading cf.pm"; 3720 warn "reloading cf.pm";
2764 require cf; 3721 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3722 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3723
2767 warn "loading config and database again"; 3724 warn "loading config and database again";
2768 cf::cfg_load; 3725 cf::reload_config;
2769 3726
2770 warn "loading extensions"; 3727 warn "loading extensions";
2771 cf::load_extensions; 3728 cf::load_extensions;
2772 3729
3730 if ($REATTACH_ON_RELOAD) {
2773 warn "reattaching attachments to objects/players"; 3731 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3732 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3733 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3734 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3735 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3736 reattach $_ for values %PLAYER;
3737 }
2779 3738
3739 warn "running post_init jobs";
3740 (pop @POST_INIT)->(1) while @POST_INIT;
3741
2780 warn "leaving sync_job"; 3742 warn "leaving sync_job";
2781 3743
2782 1 3744 1
2783 } or do { 3745 } or do {
2784 warn $@; 3746 warn $@;
2785 warn "error while reloading, exiting."; 3747 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3748 };
2788 3749
2789 warn "reloaded"; 3750 warn "reloaded";
3751 --$RELOAD;
3752 }
3753
3754 $t1 = EV::time - $t1;
3755 warn "reload completed in ${t1}s\n";
2790}; 3756};
2791 3757
2792our $RELOAD_WATCHER; # used only during reload 3758our $RELOAD_WATCHER; # used only during reload
2793 3759
2794sub reload_perl() { 3760sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3761 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3762 # coro crashes during coro_state_free->destroy here.
2797 3763
2798 $RELOAD_WATCHER ||= Event->timer ( 3764 $RELOAD_WATCHER ||= cf::async {
2799 reentrant => 0, 3765 Coro::AIO::aio_wait cache_extensions;
2800 after => 0, 3766
2801 data => WF_AUTOCANCEL, 3767 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802 cb => sub {
2803 do_reload_perl; 3768 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3769 undef $RELOAD_WATCHER;
2805 }, 3770 };
2806 ); 3771 };
2807} 3772}
2808 3773
2809register_command "reload" => sub { 3774register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3775 my ($who, $arg) = @_;
2811 3776
2812 if ($who->flag (FLAG_WIZ)) { 3777 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3778 $who->message ("reloading server.");
3779 async {
3780 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3781 reload_perl;
3782 };
2815 } 3783 }
2816}; 3784};
2817 3785
2818unshift @INC, $LIBDIR; 3786unshift @INC, $LIBDIR;
2819 3787
… …
2821 3789
2822our @WAIT_FOR_TICK; 3790our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3791our @WAIT_FOR_TICK_BEGIN;
2824 3792
2825sub wait_for_tick { 3793sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3794 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3795
2829 my $signal = new Coro::Signal; 3796 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3797 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3798 $signal->wait;
2832} 3799}
2833 3800
2834sub wait_for_tick_begin { 3801sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3802 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3803
2838 my $signal = new Coro::Signal; 3804 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3805 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3806 $signal->wait;
2841} 3807}
2842 3808
2843 my $min = 1e6;#d# 3809sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3810 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3811 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3812 unless ++$bug_warning > 10;
2855 return; 3813 return;
2856 } 3814 }
2857 3815
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3816 cf::server_tick; # one server iteration
2861 3817
2862 0 && sync_job {#d# 3818 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3819 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3820 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3821 $Coro::current->{desc} = "runtime saver";
2866 or die; 3822 write_runtime_sync
2867 3823 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3824 };
3825 }
2884 3826
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3827 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3828 $sig->send;
2901 } 3829 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3830 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3831 $sig->send;
2904 } 3832 }
2905 3833
2906 $NOW = Event::time; 3834 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3835 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3836
2917 _post_tick; 3837 if (0) {
2918 3838 if ($NEXT_TICK) {
2919 3839 my $jitter = $TICK_START - $NEXT_TICK;
3840 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3841 warn "jitter $JITTER\n";#d#
3842 }
2920 }, 3843 }
2921); 3844}
2922 3845
2923{ 3846{
2924 BDB::max_poll_time $TICK * 0.1; 3847 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3848
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3849 BDB::min_parallel 8;
2934 3850 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3851 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3852
2950 unless ($DB_ENV) { 3853 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3854 $DB_ENV = BDB::db_env_create;
3855 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3856 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3857 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3858 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3859 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3860
2953 cf::sync_job { 3861 cf::sync_job {
2954 eval { 3862 eval {
2955 BDB::db_env_open 3863 BDB::db_env_open
2956 $DB_ENV, 3864 $DB_ENV,
… …
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3866 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3867 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3868 0666;
2961 3869
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3870 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3871 };
2967 3872
2968 cf::cleanup "db_env_open(db): $@" if $@; 3873 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3874 };
2970 } 3875 }
3876
3877 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3878 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3879 };
3880 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3881 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3882 };
3883 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3884 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3885 };
2971} 3886}
2972 3887
2973{ 3888{
3889 # configure IO::AIO
3890
2974 IO::AIO::min_parallel 8; 3891 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3892 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3893 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3894}
2987 3895
2988my $_log_backtrace; 3896my $_log_backtrace;
2989 3897
2990sub _log_backtrace { 3898sub _log_backtrace {
… …
2993 $msg =~ s/\n//; 3901 $msg =~ s/\n//;
2994 3902
2995 # limit the # of concurrent backtraces 3903 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3904 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3905 ++$_log_backtrace;
3906 my $perl_bt = Carp::longmess $msg;
2998 async { 3907 async {
3908 $Coro::current->{desc} = "abt $msg";
3909
2999 my @bt = fork_call { 3910 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3911 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3912 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3913 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3914 or die "addr2line: $!";
… …
3011 } 3922 }
3012 3923
3013 @funcs 3924 @funcs
3014 }; 3925 };
3015 3926
3016 LOG llevInfo, "[ABT] $msg\n"; 3927 LOG llevInfo, "[ABT] $perl_bt\n";
3928 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt; 3929 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace; 3930 --$_log_backtrace;
3019 }; 3931 };
3020 } else { 3932 } else {
3021 LOG llevInfo, "[ABT] $msg\n"; 3933 LOG llevInfo, "[ABT] $msg\n";

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