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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 76
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 78
49our %COMMAND = (); 79our %COMMAND = ();
50our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
51 81
52our @EXTS = (); # list of extension package names 82our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 83our %EXTCMD = ();
84our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
56 87
57our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 89our @EVENT;
59 90
60our $CONFDIR = confdir; 91our $CONFDIR = confdir;
61our $DATADIR = datadir; 92our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
71 106
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 109our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default off
79 111
112our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 114our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 115our $DB_ENV;
82 116
83our %CFG; 117our %CFG;
84 118
85our $UPTIME; $UPTIME ||= time; 119our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 120our $RUNTIME;
121our $NOW;
87 122
88our %PLAYER; # all users 123our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 124our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 125our $LINK_MAP; # the special {link} map, which is always available
91 126
92# used to convert map paths into valid unix filenames by replacing / by ∕ 127# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 128our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 129
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 130our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 131our $LOADAVG; # same thing, but with alpha-smoothing
132our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 133our $TICK_START; # for load detecting purposes
134
135our @POST_INIT;
136
137our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98 138
99binmode STDOUT; 139binmode STDOUT;
100binmode STDERR; 140binmode STDERR;
101 141
102# read virtual server time, if available 142# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 143unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 144 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 145 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 146 $RUNTIME = <$fh> + 0.;
107} 147}
108 148
109mkdir $_ 149mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 150 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
155 195
156The raw value load value from the last tick. 196The raw value load value from the last tick.
157 197
158=item %cf::CFG 198=item %cf::CFG
159 199
160Configuration for the server, loaded from C</etc/crossfire/config>, or 200Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 201from wherever your confdir points to.
162 202
163=item cf::wait_for_tick, cf::wait_for_tick_begin 203=item cf::wait_for_tick, cf::wait_for_tick_begin
164 204
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 205These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 206returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 207per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 208
209=item @cf::INVOKE_RESULTS
210
211This array contains the results of the last C<invoke ()> call. When
212C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
213that call.
214
169=back 215=back
170 216
171=cut 217=cut
172 218
173BEGIN { 219BEGIN {
… …
177 $msg .= "\n" 223 $msg .= "\n"
178 unless $msg =~ /\n$/; 224 unless $msg =~ /\n$/;
179 225
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 226 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 227
182 utf8::encode $msg;
183 LOG llevError, $msg; 228 LOG llevError, $msg;
184 }; 229 };
185} 230}
231
232$Coro::State::DIEHOOK = sub {
233 return unless $^S eq 0; # "eq", not "=="
234
235 if ($Coro::current == $Coro::main) {#d#
236 warn "DIEHOOK called in main context, Coro bug?\n";#d#
237 return;#d#
238 }#d#
239
240 # kill coroutine otherwise
241 warn Carp::longmess $_[0];
242 Coro::terminate
243};
244
245$SIG{__DIE__} = sub { }; #d#?
186 246
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 247@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 248@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 249@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 250@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 251@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
252@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 253@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 254
194# we bless all objects into (empty) derived classes to force a method lookup 255# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 256# within the Safe compartment.
196for my $pkg (qw( 257for my $pkg (qw(
197 cf::global cf::attachable 258 cf::global cf::attachable
198 cf::object cf::object::player 259 cf::object cf::object::player
199 cf::client cf::player 260 cf::client cf::player
200 cf::arch cf::living 261 cf::arch cf::living
262 cf::map cf::mapspace
201 cf::map cf::party cf::region 263 cf::party cf::region
202)) { 264)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 265 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 266}
206 267
207$Event::DIED = sub { 268$EV::DIED = sub {
208 warn "error in event callback: @_"; 269 warn "error in event callback: @_";
209}; 270};
271
272#############################################################################
210 273
211=head2 UTILITY FUNCTIONS 274=head2 UTILITY FUNCTIONS
212 275
213=over 4 276=over 4
214 277
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 296 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 297 $d
235 } || "[unable to dump $_[0]: '$@']"; 298 } || "[unable to dump $_[0]: '$@']";
236} 299}
237 300
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 301=item $ref = cf::decode_json $json
241 302
242Converts a JSON string into the corresponding perl data structure. 303Converts a JSON string into the corresponding perl data structure.
243 304
244=item $json = cf::to_json $ref 305=item $json = cf::encode_json $ref
245 306
246Converts a perl data structure into its JSON representation. 307Converts a perl data structure into its JSON representation.
247 308
309=cut
310
311our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
312
313sub encode_json($) { $json_coder->encode ($_[0]) }
314sub decode_json($) { $json_coder->decode ($_[0]) }
315
316=item cf::post_init { BLOCK }
317
318Execute the given codeblock, I<after> all extensions have been (re-)loaded,
319but I<before> the server starts ticking again.
320
321The cdoeblock will have a single boolean argument to indicate whether this
322is a reload or not.
323
324=cut
325
326sub post_init(&) {
327 push @POST_INIT, shift;
328}
329
248=item cf::lock_wait $string 330=item cf::lock_wait $string
249 331
250Wait until the given lock is available. See cf::lock_acquire. 332Wait until the given lock is available. See cf::lock_acquire.
251 333
252=item my $lock = cf::lock_acquire $string 334=item my $lock = cf::lock_acquire $string
253 335
254Wait until the given lock is available and then acquires it and returns 336Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 337a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 338for example when the coroutine gets canceled), the lock is automatically
257returned. 339returned.
258 340
341Locks are *not* recursive, locking from the same coro twice results in a
342deadlocked coro.
343
259Lock names should begin with a unique identifier (for example, cf::map::find 344Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 345uses map_find and cf::map::load uses map_load).
261 346
262=item $locked = cf::lock_active $string 347=item $locked = cf::lock_active $string
263 348
264Return true if the lock is currently active, i.e. somebody has locked it. 349Return true if the lock is currently active, i.e. somebody has locked it.
265 350
266=cut 351=cut
267 352
268our %LOCK; 353our $LOCKS = new Coro::SemaphoreSet;
269 354
270sub lock_wait($) { 355sub lock_wait($) {
271 my ($key) = @_; 356 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 357}
279 358
280sub lock_acquire($) { 359sub lock_acquire($) {
281 my ($key) = @_; 360 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 361}
293 362
294sub lock_active($) { 363sub lock_active($) {
295 my ($key) = @_; 364 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 365}
299 366
300sub freeze_mainloop { 367sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
302 369
303 my $guard = Coro::guard { 370 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
305 }; 431 }
306 $TICK_WATCHER->stop; 432};
307 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
308} 446}
309 447
310=item cf::async { BLOCK } 448=item cf::async { BLOCK }
311 449
312Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
… …
317 455
318BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
319 457
320=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
321 459
322The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
325 464
326If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
329fast or be very important. 468fast or be very important.
… …
332 471
333sub sync_job(&) { 472sub sync_job(&) {
334 my ($job) = @_; 473 my ($job) = @_;
335 474
336 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 476 my $time = EV::time;
338 477
339 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
341 480
342 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 482
344 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
345 484
346 my $busy = 1; 485 my $busy = 1;
347 my @res; 486 my @res;
348 487
349 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 490 @res = eval { $job->() };
351 warn $@ if $@; 491 warn $@ if $@;
352 undef $busy; 492 undef $busy;
353 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
354 494
355 while ($busy) { 495 while ($busy) {
356 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
357 } 500 }
501 }
358 502
359 $time = Event::time - $time; 503 my $time = EV::time - $time;
360 504
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 505 $TICK_START += $time; # do not account sync jobs to server load
365 506
366 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
367 } else { 508 } else {
368 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
369 510
… …
389 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
390 531
391 $coro 532 $coro
392} 533}
393 534
394sub write_runtime { 535=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 536
397 # first touch the runtime file to show we are still running: 537Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
399 541
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 542=cut
401 utime undef, undef, $fh; 543
544sub fork_call(&@) {
545 my ($cb, @args) = @_;
546
547 # we seemingly have to make a local copy of the whole thing,
548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
550
551 my @res = Coro::Util::fork_eval {
552 reset_signals;
553 &$cb
554 }, @args;
555
556 wantarray ? @res : $res[-1]
557}
558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
402 } 613 };
614 cf::cleanup "db_open(db): $@" if $@;
403 615
404 my $guard = cf::lock_acquire "write_runtime"; 616 $db
617}
405 618
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 619our $DB;
407 or return;
408 620
409 my $value = $cf::RUNTIME + 90 + 10; 621sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 622 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 623 $DB ||= db_table "db";
624 };
625}
412 626
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 627sub db_get($$) {
414 and return; 628 my $key = "$_[0]/$_[1]";
415 629
416 # always fsync - this file is important 630 cf::sync_job {
417 aio_fsync $fh 631 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 632
420 # touch it again to show we are up-to-date 633 $! ? ()
421 utime undef, undef, $fh; 634 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
432} 711}
433 712
434=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
435 714
436Log a datalog packet of the given type with the given key-value pairs. 715Log a datalog packet of the given type with the given key-value pairs.
… …
448 727
449############################################################################# 728#############################################################################
450 729
451=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
452 731
453Many objects in crossfire are so-called attachable objects. That means you can 732Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
456 735
457In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 738Deliantra).
460 739
461=over 4 740=over 4
462 741
463=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
464 743
… …
508=item cf::CLASS::attachment $name, ... 787=item cf::CLASS::attachment $name, ...
509 788
510Register an attachment by C<$name> through which attachable objects of the 789Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 790given CLASS can refer to this attachment.
512 791
513Some classes such as crossfire maps and objects can specify attachments 792Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 793that are attached at load/instantiate time, thus the need for a name.
515 794
516These calls expect any number of the following handler/hook descriptions: 795These calls expect any number of the following handler/hook descriptions:
517 796
518=over 4 797=over 4
… …
666 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
667 } 946 }
668 947
669 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
670 } else { 949 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 951 }
673 952
674 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
675} 954}
676 955
… …
716 "; 995 ";
717 die if $@; 996 die if $@;
718} 997}
719 998
720our $override; 999our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 1001
723sub override { 1002sub override {
724 $override = 1; 1003 $override = 1;
725 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
726} 1005}
727 1006
728sub do_invoke { 1007sub do_invoke {
729 my $event = shift; 1008 my $event = shift;
730 my $callbacks = shift; 1009 my $callbacks = shift;
731 1010
732 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
733 1012
734 local $override; 1013 local $override;
735 1014
736 for (@$callbacks) { 1015 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
… …
746 } 1025 }
747 1026
748 0 1027 0
749} 1028}
750 1029
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1031
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1033
755Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
756 1035
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1039
761=back 1040=back
762 1041
763=cut 1042=cut
764 1043
765############################################################################# 1044#############################################################################
766# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
767 1088
768sub reattach { 1089sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1091 my ($obj) = @_;
771 1092
1093 # no longer needed after getting rid of delete_package?
772 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773 1095
774 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
775 1097
776 @$registry = (); 1098 @$registry = ();
777 1099
… …
792cf::attachable->attach ( 1114cf::attachable->attach (
793 prio => -1000000, 1115 prio => -1000000,
794 on_instantiate => sub { 1116 on_instantiate => sub {
795 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
796 1118
797 $data = from_json $data; 1119 $data = decode_json $data;
798 1120
799 for (@$data) { 1121 for (@$data) {
800 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
801 1123
802 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
… …
818sub object_freezer_save { 1140sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
820 1142
821 sync_job { 1143 sync_job {
822 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
825 1148
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1153 aio_close $fh;
831 1154
832 if (@$objs) { 1155 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1161 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
840 } 1163 }
841 } else { 1164 } else {
842 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
843 } 1166 }
844 1167
845 aio_rename "$filename~", $filename; 1168 aio_rename "$filename~", $filename;
1169
1170 $filename =~ s%/[^/]+$%%;
1171 aio_pathsync $filename if $cf::USE_FSYNC;
846 } else { 1172 } else {
847 warn "FATAL: $filename~: $!\n"; 1173 warn "unable to save objects: $filename~: $!\n";
848 } 1174 }
849 } else { 1175 } else {
850 aio_unlink $filename; 1176 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
852 } 1178 }
853 } 1179 };
854} 1180}
855 1181
856sub object_freezer_as_string { 1182sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1183 my ($rdata, $objs) = @_;
858 1184
… …
870 or return; 1196 or return;
871 1197
872 unless (aio_stat "$filename.pst") { 1198 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1199 (aio_load "$filename.pst", $av) >= 0
874 or return; 1200 or return;
1201
875 $av = eval { (Storable::thaw $av)->{objs} }; 1202 my $st = eval { Coro::Storable::thaw $av };
1203 $av = $st->{objs};
876 } 1204 }
877 1205
1206 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1207 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1208 $decname, length $data, scalar @{$av || []};
1209
880 return ($data, $av); 1210 ($data, $av)
881} 1211}
1212
1213=head2 COMMAND CALLBACKS
1214
1215=over 4
1216
1217=cut
882 1218
883############################################################################# 1219#############################################################################
884# command handling &c 1220# command handling &c
885 1221
886=item cf::register_command $name => \&callback($ob,$args); 1222=item cf::register_command $name => \&callback($ob,$args);
… …
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1235 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1236}
901 1237
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1238=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1239
904Register a callbackf ro execution when the client sends an extcmd packet. 1240Register a callback for execution when the client sends an (synchronous)
1241extcmd packet. Ext commands will be processed in the order they are
1242received by the server, like other user commands. The first argument is
1243the logged-in player. Ext commands can only be processed after a player
1244has logged in successfully.
905 1245
906If the callback returns something, it is sent back as if reply was being 1246If the callback returns something, it is sent back as if reply was being
907called. 1247called.
908 1248
1249=item cf::register_exticmd $name => \&callback($ns,$packet);
1250
1251Register a callback for execution when the client sends an (asynchronous)
1252exticmd packet. Exti commands are processed by the server as soon as they
1253are received, i.e. out of order w.r.t. other commands. The first argument
1254is a client socket. Exti commands can be received anytime, even before
1255log-in.
1256
1257If the callback returns something, it is sent back as if reply was being
1258called.
1259
909=cut 1260=cut
910 1261
911sub register_extcmd { 1262sub register_extcmd {
912 my ($name, $cb) = @_; 1263 my ($name, $cb) = @_;
913 1264
914 $EXTCMD{$name} = $cb; 1265 $EXTCMD{$name} = $cb;
915} 1266}
1267
1268sub register_exticmd {
1269 my ($name, $cb) = @_;
1270
1271 $EXTICMD{$name} = $cb;
1272}
1273
1274use File::Glob ();
916 1275
917cf::player->attach ( 1276cf::player->attach (
918 on_command => sub { 1277 on_command => sub {
919 my ($pl, $name, $params) = @_; 1278 my ($pl, $name, $params) = @_;
920 1279
… …
928 cf::override; 1287 cf::override;
929 }, 1288 },
930 on_extcmd => sub { 1289 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1290 my ($pl, $buf) = @_;
932 1291
933 my $msg = eval { from_json $buf }; 1292 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1293
935 if (ref $msg) { 1294 if (ref $msg) {
1295 my ($type, $reply, @payload) =
1296 "ARRAY" eq ref $msg
1297 ? @$msg
1298 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1299
1300 my @reply;
1301
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1302 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1303 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1304 }
1305
1306 $pl->ext_reply ($reply, @reply)
1307 if $reply;
1308
941 } else { 1309 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1310 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1311 }
944 1312
945 cf::override; 1313 cf::override;
946 }, 1314 },
947); 1315);
948 1316
1317# "readahead" all extensions
949sub load_extension { 1318sub cache_extensions {
950 my ($path) = @_; 1319 my $grp = IO::AIO::aio_group;
951 1320
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1321 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
953 my $base = $1; 1322 for (grep /\.ext$/, @{$_[0]}) {
954 my $pkg = $1; 1323 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 } 1324 }
977 die $@;
978 } 1325 };
979 1326
980 push @EXTS, $pkg; 1327 $grp
981} 1328}
982 1329
983sub load_extensions { 1330sub load_extensions {
1331 cf::sync_job {
1332 my %todo;
1333
984 for my $ext (<$LIBDIR/*.ext>) { 1334 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1335 next unless -r $path;
986 eval { 1336
987 load_extension $ext; 1337 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1338 my $base = $1;
1339 my $pkg = $1;
1340 $pkg =~ s/[^[:word:]]/_/g;
1341 $pkg = "ext::$pkg";
1342
1343 open my $fh, "<:utf8", $path
1344 or die "$path: $!";
1345
1346 my $source = do { local $/; <$fh> };
1347
1348 my %ext = (
1349 path => $path,
1350 base => $base,
1351 pkg => $pkg,
1352 );
1353
1354 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1355 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1356
1357 $ext{source} =
1358 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1359 . "#line 1 \"$path\"\n{\n"
1360 . $source
1361 . "\n};\n1";
1362
1363 $todo{$base} = \%ext;
1364 }
1365
1366 my %done;
1367 while (%todo) {
1368 my $progress;
1369
1370 while (my ($k, $v) = each %todo) {
1371 for (split /,\s*/, $v->{meta}{depends}) {
1372 goto skip
1373 unless exists $done{$_};
1374 }
1375
1376 warn "... loading '$k' into '$v->{pkg}'\n";
1377
1378 unless (eval $v->{source}) {
1379 my $msg = $@ ? "$v->{path}: $@\n"
1380 : "$v->{base}: extension inactive.\n";
1381
1382 if (exists $v->{meta}{mandatory}) {
1383 warn $msg;
1384 cf::cleanup "mandatory extension failed to load, exiting.";
1385 }
1386
1387 warn $msg;
1388 }
1389
1390 $done{$k} = delete $todo{$k};
1391 push @EXTS, $v->{pkg};
1392 $progress = 1;
988 1 1393 }
989 } or warn "$ext not loaded: $@"; 1394
1395 skip:
1396 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1397 unless $progress;
1398 }
990 } 1399 };
991} 1400}
992 1401
993############################################################################# 1402#############################################################################
994 1403
1404=back
1405
995=head2 CORE EXTENSIONS 1406=head2 CORE EXTENSIONS
996 1407
997Functions and methods that extend core crossfire objects. 1408Functions and methods that extend core deliantra objects.
998 1409
999=cut 1410=cut
1000 1411
1001package cf::player; 1412package cf::player;
1002 1413
1003use Coro::AIO; 1414use Coro::AIO;
1004 1415
1005=head3 cf::player 1416=head3 cf::player
1006 1417
1007=over 4 1418=over 4
1419
1420=item cf::player::num_playing
1421
1422Returns the official number of playing players, as per the Crossfire metaserver rules.
1423
1424=cut
1425
1426sub num_playing {
1427 scalar grep
1428 $_->ob->map
1429 && !$_->hidden
1430 && !$_->ob->flag (cf::FLAG_WIZ),
1431 cf::player::list
1432}
1008 1433
1009=item cf::player::find $login 1434=item cf::player::find $login
1010 1435
1011Returns the given player object, loading it if necessary (might block). 1436Returns the given player object, loading it if necessary (might block).
1012 1437
… …
1031 1456
1032sub exists($) { 1457sub exists($) {
1033 my ($login) = @_; 1458 my ($login) = @_;
1034 1459
1035 $cf::PLAYER{$login} 1460 $cf::PLAYER{$login}
1036 or cf::sync_job { !aio_stat path $login } 1461 or !aio_stat path $login
1037} 1462}
1038 1463
1039sub find($) { 1464sub find($) {
1040 return $cf::PLAYER{$_[0]} || do { 1465 return $cf::PLAYER{$_[0]} || do {
1041 my $login = $_[0]; 1466 my $login = $_[0];
… …
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1473 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1474 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1475 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1476 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1477
1053 my $pl = load_pl path $login 1478 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1479 or return;
1480
1481 my $pl = cf::player::load_pl $f
1482 or return;
1483
1484 local $cf::PLAYER_LOADING{$login} = $pl;
1485 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1486 $cf::PLAYER{$login} = $pl
1056 } 1487 }
1057 } 1488 }
1058} 1489}
1059 1490
… …
1068 return if $pl->{deny_save}; 1499 return if $pl->{deny_save};
1069 1500
1070 aio_mkdir playerdir $pl, 0770; 1501 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1502 $pl->{last_save} = $cf::RUNTIME;
1072 1503
1504 cf::get_slot 0.01;
1505
1073 $pl->save_pl ($path); 1506 $pl->save_pl ($path);
1074 Coro::cede; 1507 cf::cede_to_tick;
1075} 1508}
1076 1509
1077sub new($) { 1510sub new($) {
1078 my ($login) = @_; 1511 my ($login) = @_;
1079 1512
… …
1085 $cf::PLAYER{$login} = $self; 1518 $cf::PLAYER{$login} = $self;
1086 1519
1087 $self 1520 $self
1088} 1521}
1089 1522
1523=item $player->send_msg ($channel, $msg, $color, [extra...])
1524
1525=cut
1526
1527sub send_msg {
1528 my $ns = shift->ns
1529 or return;
1530 $ns->send_msg (@_);
1531}
1532
1090=item $pl->quit_character 1533=item $pl->quit_character
1091 1534
1092Nukes the player without looking back. If logged in, the connection will 1535Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1536be destroyed. May block for a long time.
1094 1537
… …
1098 my ($pl) = @_; 1541 my ($pl) = @_;
1099 1542
1100 my $name = $pl->ob->name; 1543 my $name = $pl->ob->name;
1101 1544
1102 $pl->{deny_save} = 1; 1545 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1546 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1104 1547
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1548 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1549 $pl->deactivate;
1550 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1551 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1552 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1553 $pl->ns->destroy if $pl->ns;
1109 1554
1110 my $path = playerdir $pl; 1555 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1556 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1147 or return []; 1592 or return [];
1148 1593
1149 my @logins; 1594 my @logins;
1150 1595
1151 for my $login (@$dirs) { 1596 for my $login (@$dirs) {
1597 my $path = path $login;
1598
1599 # a .pst is a dead give-away for a valid player
1600 # if no pst file found, open and chekc for blocked users
1601 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1602 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1603 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1604 $buf !~ /^password -------------$/m or next; # official not-valid tag
1605 }
1155 1606
1156 utf8::decode $login; 1607 utf8::decode $login;
1157 push @logins, $login; 1608 push @logins, $login;
1158 } 1609 }
1159 1610
… …
1186 } 1637 }
1187 1638
1188 \@paths 1639 \@paths
1189} 1640}
1190 1641
1642=item $protocol_xml = $player->expand_cfpod ($cfpod)
1643
1644Expand deliantra pod fragments into protocol xml.
1645
1191=item $player->ext_reply ($msgid, %msg) 1646=item $player->ext_reply ($msgid, @msg)
1192 1647
1193Sends an ext reply to the player. 1648Sends an ext reply to the player.
1194 1649
1195=cut 1650=cut
1196 1651
1197sub ext_reply($$%) { 1652sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1653 my ($self, $id, @msg) = @_;
1199 1654
1200 $msg{msgid} = $id; 1655 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1656}
1204 1657
1205=item $player->ext_event ($type, %msg) 1658=item $player->ext_msg ($type, @msg)
1206 1659
1207Sends an ext event to the client. 1660Sends an ext event to the client.
1208 1661
1209=cut 1662=cut
1210 1663
1211sub ext_event($$%) { 1664sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1665 my ($self, $type, @msg) = @_;
1213 1666
1214 $self->ns->ext_event ($type, %msg); 1667 $self->ns->ext_msg ($type, @msg);
1215} 1668}
1216 1669
1217=head3 cf::region 1670=head3 cf::region
1218 1671
1219=over 4 1672=over 4
… …
1222 1675
1223package cf::region; 1676package cf::region;
1224 1677
1225=item cf::region::find_by_path $path 1678=item cf::region::find_by_path $path
1226 1679
1227Tries to decuce the probable region for a map knowing only its path. 1680Tries to decuce the likely region for a map knowing only its path.
1228 1681
1229=cut 1682=cut
1230 1683
1231sub find_by_path($) { 1684sub find_by_path($) {
1232 my ($path) = @_; 1685 my ($path) = @_;
1233 1686
1234 my ($match, $specificity); 1687 my ($match, $specificity);
1235 1688
1236 for my $region (list) { 1689 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1690 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1691 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1692 if $region->specificity > $specificity;
1240 } 1693 }
1241 } 1694 }
1242 1695
… …
1263our $MAX_RESET = 3600; 1716our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1717our $DEFAULT_RESET = 3000;
1265 1718
1266sub generate_random_map { 1719sub generate_random_map {
1267 my ($self, $rmp) = @_; 1720 my ($self, $rmp) = @_;
1721
1722 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1723
1268 # mit "rum" bekleckern, nicht 1724 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1725 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1726 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1727 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1728 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1306 my ($self, $merge) = @_; 1762 my ($self, $merge) = @_;
1307 1763
1308 # we have to keep some variables in memory intact 1764 # we have to keep some variables in memory intact
1309 local $self->{path}; 1765 local $self->{path};
1310 local $self->{load_path}; 1766 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1767
1314 $self->SUPER::thawer_merge ($merge); 1768 $self->SUPER::thawer_merge ($merge);
1315} 1769}
1316 1770
1317sub normalise { 1771sub normalise {
… …
1364 $self->init; # pass $1 etc. 1818 $self->init; # pass $1 etc.
1365 return $self; 1819 return $self;
1366 } 1820 }
1367 } 1821 }
1368 1822
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1823 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1824 ()
1371} 1825}
1372 1826
1373sub init { 1827sub init {
1374 my ($self) = @_; 1828 my ($self) = @_;
… …
1396 1850
1397# the temporary/swap location 1851# the temporary/swap location
1398sub save_path { 1852sub save_path {
1399 my ($self) = @_; 1853 my ($self) = @_;
1400 1854
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1855 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1856 "$TMPDIR/$path.map"
1403} 1857}
1404 1858
1405# the unique path, undef == no special unique path 1859# the unique path, undef == no special unique path
1406sub uniq_path { 1860sub uniq_path {
1407 my ($self) = @_; 1861 my ($self) = @_;
1408 1862
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1864 "$UNIQUEDIR/$path"
1411} 1865}
1412 1866
1413# and all this just because we cannot iterate over 1867sub decay_objects {
1414# all maps in C++...
1415sub change_all_map_light {
1416 my ($change) = @_; 1868 my ($self) = @_;
1417 1869
1418 $_->change_map_light ($change) 1870 return if $self->{deny_reset};
1419 for grep $_->outdoor, values %cf::MAP; 1871
1872 $self->do_decay_objects;
1420} 1873}
1421 1874
1422sub unlink_save { 1875sub unlink_save {
1423 my ($self) = @_; 1876 my ($self) = @_;
1424 1877
… …
1429 1882
1430sub load_header_from($) { 1883sub load_header_from($) {
1431 my ($self, $path) = @_; 1884 my ($self, $path) = @_;
1432 1885
1433 utf8::encode $path; 1886 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1887 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1888 or return;
1889
1890 $self->_load_header ($f)
1891 or return;
1892
1893 local $MAP_LOADING{$self->{path}} = $self;
1894 $f->resolve_delayed_derefs;
1439 1895
1440 $self->{load_path} = $path; 1896 $self->{load_path} = $path;
1441 1897
1442 1 1898 1
1443} 1899}
… …
1482 $self->load_header_orig 1938 $self->load_header_orig
1483 or return; 1939 or return;
1484 $self->prepare_orig; 1940 $self->prepare_orig;
1485 } 1941 }
1486 1942
1943 $self->{deny_reset} = 1
1944 if $self->no_reset;
1945
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1946 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1947 unless $self->default_region;
1489 1948
1490 1 1949 1
1491} 1950}
… …
1494sub find { 1953sub find {
1495 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
1496 1955
1497 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
1498 1957
1958 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1959 my $guard2 = cf::lock_acquire "map_find:$path";
1500 1960
1501 $cf::MAP{$path} || do { 1961 $cf::MAP{$path} || do {
1502 my $guard = cf::lock_acquire "map_find:$path";
1503 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1504 or return; 1963 or return;
1505 1964
1506 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1507 1966
1508 $map->load_header 1967 $map->load_header
1509 or return; 1968 or return;
1510 1969
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
1974 undef $guard1;
1514 $map->reset; 1975 $map->reset;
1515 undef $guard;
1516 return find $path; 1976 return find $path;
1517 } 1977 }
1518 1978
1519 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1520 } 1980 }
… …
1529 local $self->{deny_reset} = 1; # loading can take a long time 1989 local $self->{deny_reset} = 1; # loading can take a long time
1530 1990
1531 my $path = $self->{path}; 1991 my $path = $self->{path};
1532 1992
1533 { 1993 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1535 1995
1996 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 1998
1538 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1539 2000
1540 $self->alloc; 2001 $self->alloc;
1541 2002
1542 $self->pre_load; 2003 $self->pre_load;
1543 Coro::cede; 2004 cf::cede_to_tick;
1544 2005
2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2008 $self->_load_objects ($f)
1546 or return; 2009 or return;
1547 2010
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
1549 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1550 2013
1551 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2015 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2018 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1556 } 2022 }
1557 } 2023 }
1558 2024
1559 Coro::cede; 2025 $f->resolve_delayed_derefs;
2026
2027 cf::cede_to_tick;
1560 # now do the right thing for maps 2028 # now do the right thing for maps
1561 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2031 unless $self->difficulty;
1564 Coro::cede; 2032 cf::cede_to_tick;
1565 2033
1566 unless ($self->{deny_activate}) { 2034 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2035 $self->decay_objects;
1568 $self->fix_auto_apply; 2036 $self->fix_auto_apply;
1569 $self->update_buttons; 2037 $self->update_buttons;
1570 Coro::cede; 2038 cf::cede_to_tick;
1571 $self->set_darkness_map;
1572 Coro::cede;
1573 $self->activate; 2039 $self->activate;
1574 } 2040 }
1575 2041
2042 $self->{last_save} = $cf::RUNTIME;
2043 $self->last_access ($cf::RUNTIME);
2044
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2045 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2046 }
1578 2047
1579 $self->post_load; 2048 $self->post_load;
1580} 2049}
1581 2050
… …
1583 my ($self, $ob) = @_; 2052 my ($self, $ob) = @_;
1584 2053
1585 return find "~" . $ob->name . "/" . $self->{path} 2054 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2055 if $self->per_player;
1587 2056
2057# return find "?party/" . $ob->name . "/" . $self->{path}
2058# if $self->per_party;
2059
1588 $self 2060 $self
1589} 2061}
1590 2062
1591# find and load all maps in the 3x3 area around a map 2063# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2064sub load_neighbours {
1593 my ($map) = @_; 2065 my ($map) = @_;
1594 2066
1595 my @diag; # diagonal neighbours 2067 my @neigh; # diagonal neighbours
1596 2068
1597 for (0 .. 3) { 2069 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2070 my $neigh = $map->tile_path ($_)
1599 or next; 2071 or next;
1600 $neigh = find $neigh, $map 2072 $neigh = find $neigh, $map
1601 or next; 2073 or next;
1602 $neigh->load; 2074 $neigh->load;
1603 2075
2076 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2077 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2078 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2079 }
1607 2080
1608 for (@diag) { 2081 for (grep defined $_->[0], @neigh) {
2082 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2083 my $neigh = find $path, $origin
1610 or next; 2084 or next;
1611 $neigh->load; 2085 $neigh->load;
1612 } 2086 }
1613} 2087}
1614 2088
… …
1619} 2093}
1620 2094
1621sub do_load_sync { 2095sub do_load_sync {
1622 my ($map) = @_; 2096 my ($map) = @_;
1623 2097
2098 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2099 if $Coro::current == $Coro::main;
2100
1624 cf::sync_job { $map->load }; 2101 cf::sync_job { $map->load };
1625} 2102}
1626 2103
1627our %MAP_PREFETCH; 2104our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2105our $MAP_PREFETCHER = undef;
1629 2106
1630sub find_async { 2107sub find_async {
1631 my ($path, $origin) = @_; 2108 my ($path, $origin, $load) = @_;
1632 2109
1633 $path = normalise $path, $origin && $origin->{path}; 2110 $path = normalise $path, $origin && $origin->{path};
1634 2111
1635 if (my $map = $cf::MAP{$path}) { 2112 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2113 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2114 }
1638 2115
1639 undef $MAP_PREFETCH{$path}; 2116 $MAP_PREFETCH{$path} |= $load;
2117
1640 $MAP_PREFETCHER ||= cf::async { 2118 $MAP_PREFETCHER ||= cf::async {
2119 $Coro::current->{desc} = "map prefetcher";
2120
1641 while (%MAP_PREFETCH) { 2121 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2122 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2123 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2124 $map->load if $v;
2125 }
1646 2126
1647 delete $MAP_PREFETCH{$path}; 2127 delete $MAP_PREFETCH{$k};
1648 } 2128 }
1649 } 2129 }
1650 undef $MAP_PREFETCHER; 2130 undef $MAP_PREFETCHER;
1651 }; 2131 };
1652 $MAP_PREFETCHER->prio (6); 2132 $MAP_PREFETCHER->prio (6);
… …
1655} 2135}
1656 2136
1657sub save { 2137sub save {
1658 my ($self) = @_; 2138 my ($self) = @_;
1659 2139
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2140 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2141
1662 $self->{last_save} = $cf::RUNTIME; 2142 $self->{last_save} = $cf::RUNTIME;
1663 2143
1664 return unless $self->dirty; 2144 return unless $self->dirty;
1665 2145
… …
1671 return if $self->{deny_save}; 2151 return if $self->{deny_save};
1672 2152
1673 local $self->{last_access} = $self->last_access;#d# 2153 local $self->{last_access} = $self->last_access;#d#
1674 2154
1675 cf::async { 2155 cf::async {
2156 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2157 $_->contr->save for $self->players;
1677 }; 2158 };
2159
2160 cf::get_slot 0.02;
1678 2161
1679 if ($uniq) { 2162 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2163 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2164 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2165 } else {
… …
1688 my ($self) = @_; 2171 my ($self) = @_;
1689 2172
1690 # save first because save cedes 2173 # save first because save cedes
1691 $self->save; 2174 $self->save;
1692 2175
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2176 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2177
1695 return if $self->players; 2178 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2179 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2180 return if $self->{deny_save};
1698 2181
2182 $self->in_memory (cf::MAP_SWAPPED);
2183
2184 $self->deactivate;
2185 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2186 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2187}
1702 2188
1703sub reset_at { 2189sub reset_at {
1704 my ($self) = @_; 2190 my ($self) = @_;
1705 2191
1706 # TODO: safety, remove and allow resettable per-player maps 2192 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2193 return 1e99 if $self->{deny_reset};
1709 2194
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2195 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2196 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2197
… …
1723 my ($self) = @_; 2208 my ($self) = @_;
1724 2209
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2211
1727 return if $self->players; 2212 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2213
1730 warn "resetting map ", $self->path;#d# 2214 warn "resetting map ", $self->path;
1731 2215
1732 $self->in_memory (cf::MAP_SWAPPED); 2216 $self->in_memory (cf::MAP_SWAPPED);
1733 2217
1734 # need to save uniques path 2218 # need to save uniques path
1735 unless ($self->{deny_save}) { 2219 unless ($self->{deny_save}) {
… …
1739 if $uniq; 2223 if $uniq;
1740 } 2224 }
1741 2225
1742 delete $cf::MAP{$self->path}; 2226 delete $cf::MAP{$self->path};
1743 2227
2228 $self->deactivate;
2229 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2230 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2231
1748 $self->unlink_save; 2232 $self->unlink_save;
1749 $self->destroy; 2233 $self->destroy;
1750} 2234}
1751 2235
1752my $nuke_counter = "aaaa"; 2236my $nuke_counter = "aaaa";
1753 2237
1754sub nuke { 2238sub nuke {
1755 my ($self) = @_; 2239 my ($self) = @_;
1756 2240
2241 {
2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
2243
1757 delete $cf::MAP{$self->path}; 2244 delete $cf::MAP{$self->path};
1758 2245
1759 $self->unlink_save; 2246 $self->unlink_save;
1760 2247
1761 bless $self, "cf::map"; 2248 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2249 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2250 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2251 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2252 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2253
1767 $cf::MAP{$self->path} = $self; 2254 $cf::MAP{$self->path} = $self;
2255 }
1768 2256
1769 $self->reset; # polite request, might not happen 2257 $self->reset; # polite request, might not happen
2258}
2259
2260=item $maps = cf::map::tmp_maps
2261
2262Returns an arrayref with all map paths of currently instantiated and saved
2263maps. May block.
2264
2265=cut
2266
2267sub tmp_maps() {
2268 [
2269 map {
2270 utf8::decode $_;
2271 /\.map$/
2272 ? normalise $_
2273 : ()
2274 } @{ aio_readdir $TMPDIR or [] }
2275 ]
2276}
2277
2278=item $maps = cf::map::random_maps
2279
2280Returns an arrayref with all map paths of currently instantiated and saved
2281random maps. May block.
2282
2283=cut
2284
2285sub random_maps() {
2286 [
2287 map {
2288 utf8::decode $_;
2289 /\.map$/
2290 ? normalise "?random/$_"
2291 : ()
2292 } @{ aio_readdir $RANDOMDIR or [] }
2293 ]
1770} 2294}
1771 2295
1772=item cf::map::unique_maps 2296=item cf::map::unique_maps
1773 2297
1774Returns an arrayref of paths of all shared maps that have 2298Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2299instantiated unique items. May block.
1776 2300
1777=cut 2301=cut
1778 2302
1779sub unique_maps() { 2303sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2304 [
1781 or return; 2305 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2306 utf8::decode $_;
1787 next if /\.pst$/; 2307 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2308 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2309 ? ()
1790 push @paths, cf::map::normalise $_; 2310 : normalise $_
2311 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2312 ]
1792
1793 \@paths
1794} 2313}
1795
1796package cf;
1797 2314
1798=back 2315=back
1799 2316
1800=head3 cf::object 2317=head3 cf::object
1801 2318
… …
1805 2322
1806=over 4 2323=over 4
1807 2324
1808=item $ob->inv_recursive 2325=item $ob->inv_recursive
1809 2326
1810Returns the inventory of the object _and_ their inventories, recursively. 2327Returns the inventory of the object I<and> their inventories, recursively,
2328but I<not> the object itself.
1811 2329
1812=cut 2330=cut
1813 2331
1814sub inv_recursive_; 2332sub inv_recursive_;
1815sub inv_recursive_ { 2333sub inv_recursive_ {
… …
1818 2336
1819sub inv_recursive { 2337sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2338 inv_recursive_ inv $_[0]
1821} 2339}
1822 2340
2341=item $ref = $ob->ref
2342
2343Creates and returns a persistent reference to an object that can be stored as a string.
2344
2345=item $ob = cf::object::deref ($refstring)
2346
2347returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348even if the object actually exists. May block.
2349
2350=cut
2351
2352sub deref {
2353 my ($ref) = @_;
2354
2355 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2356 my ($uuid, $name) = ($1, $2);
2357 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2358 or return;
2359 $pl->ob->uuid eq $uuid
2360 or return;
2361
2362 $pl->ob
2363 } else {
2364 warn "$ref: cannot resolve object reference\n";
2365 undef
2366 }
2367}
2368
1823package cf; 2369package cf;
1824 2370
1825=back 2371=back
1826 2372
1827=head3 cf::object::player 2373=head3 cf::object::player
… …
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2379Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2380can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2381dialogue with the given NPC character.
1836 2382
1837=cut 2383=cut
2384
2385our $SAY_CHANNEL = {
2386 id => "say",
2387 title => "Map",
2388 reply => "say ",
2389 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2390};
2391
2392our $CHAT_CHANNEL = {
2393 id => "chat",
2394 title => "Chat",
2395 reply => "chat ",
2396 tooltip => "Player chat and shouts, global to the server.",
2397};
1838 2398
1839# rough implementation of a future "reply" method that works 2399# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2400# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2401#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2402sub cf::object::player::reply($$$;$) {
… …
1844 2404
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2405 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2406
1847 if ($self->{record_replies}) { 2407 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2408 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2409
1849 } else { 2410 } else {
2411 my $pl = $self->contr;
2412
2413 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2414 my $dialog = $pl->{npc_dialog};
2415 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2416
2417 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2418 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2419 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2420 }
1852 } 2421 }
2422}
2423
2424=item $object->send_msg ($channel, $msg, $color, [extra...])
2425
2426=cut
2427
2428sub cf::object::send_msg {
2429 my $pl = shift->contr
2430 or return;
2431 $pl->send_msg (@_);
1853} 2432}
1854 2433
1855=item $player_object->may ("access") 2434=item $player_object->may ("access")
1856 2435
1857Returns wether the given player is authorized to access resource "access" 2436Returns wether the given player is authorized to access resource "access"
… …
1870 2449
1871=item $player_object->enter_link 2450=item $player_object->enter_link
1872 2451
1873Freezes the player and moves him/her to a special map (C<{link}>). 2452Freezes the player and moves him/her to a special map (C<{link}>).
1874 2453
1875The player should be reasonably safe there for short amounts of time. You 2454The player should be reasonably safe there for short amounts of time (e.g.
1876I<MUST> call C<leave_link> as soon as possible, though. 2455for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2456though, as the palyer cannot control the character while it is on the link
2457map.
1877 2458
1878Will never block. 2459Will never block.
1879 2460
1880=item $player_object->leave_link ($map, $x, $y) 2461=item $player_object->leave_link ($map, $x, $y)
1881 2462
… …
1904 $self->deactivate_recursive; 2485 $self->deactivate_recursive;
1905 2486
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2487 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2488
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2489 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2490 if $self->map && $self->map->{path} ne "{link}";
1910 2491
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2492 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2493}
1913 2494
1914sub cf::object::player::leave_link { 2495sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2496 my ($self, $map, $x, $y) = @_;
2497
2498 return unless $self->contr->active;
1916 2499
1917 my $link_pos = delete $self->{_link_pos}; 2500 my $link_pos = delete $self->{_link_pos};
1918 2501
1919 unless ($map) { 2502 unless ($map) {
1920 # restore original map position 2503 # restore original map position
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2517 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2518 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2519 if $x <=0 && $y <= 0;
1937 2520
1938 $map->load; 2521 $map->load;
1939 $map->load_diag; 2522 $map->load_neighbours;
1940 2523
1941 return unless $self->contr->active; 2524 return unless $self->contr->active;
2525 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942 $self->activate_recursive; 2526 $self->activate_recursive;
1943 2527
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2528 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2529 $self->enter_map ($map, $x, $y);
1946} 2530}
1947 2531
1948cf::player->attach (
1949 on_logout => sub {
1950 my ($pl) = @_;
1951
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2532=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2533
1982Moves the player to the given map-path and coordinates by first freezing 2534Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2535her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2536that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2537the new (success) or old (failed) map position. In either case, $done will
2538be called at the end of this process.
1986 2539
2540Note that $check will be called with a potentially non-loaded map, so if
2541it needs a loaded map it has to call C<< ->load >>.
2542
1987=cut 2543=cut
2544
2545our $GOTOGEN;
1988 2546
1989sub cf::object::player::goto { 2547sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2548 my ($self, $path, $x, $y, $check, $done) = @_;
2549
2550 # do generation counting so two concurrent goto's will be executed in-order
2551 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991 2552
1992 $self->enter_link; 2553 $self->enter_link;
1993 2554
1994 (async { 2555 (async {
2556 $Coro::current->{desc} = "player::goto $path $x $y";
2557
2558 # *tag paths override both path and x|y
2559 if ($path =~ /^\*(.*)$/) {
2560 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2561 my $ob = $obs[rand @obs];
2562
2563 # see if we actually can go there
2564 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2565 $ob = $obs[rand @obs];
2566 } else {
2567 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2568 }
2569 # else put us there anyways for now #d#
2570
2571 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2572 } else {
2573 ($path, $x, $y) = (undef, undef, undef);
2574 }
2575 }
2576
1995 my $map = eval { 2577 my $map = eval {
1996 my $map = cf::map::find $path; 2578 my $map = defined $path ? cf::map::find $path : undef;
1997 2579
1998 if ($map) { 2580 if ($map) {
1999 $map = $map->customise_for ($self); 2581 $map = $map->customise_for ($self);
2000 $map = $check->($map) if $check && $map; 2582 $map = $check->($map) if $check && $map;
2001 } else { 2583 } else {
2002 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2584 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003 } 2585 }
2004 2586
2005 $map 2587 $map
2006 }; 2588 };
2007 2589
2008 if ($@) { 2590 if ($@) {
2009 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2591 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010 LOG llevError | logBacktrace, Carp::longmess $@; 2592 LOG llevError | logBacktrace, Carp::longmess $@;
2011 } 2593 }
2012 2594
2595 if ($gen == $self->{_goto_generation}) {
2596 delete $self->{_goto_generation};
2013 $self->leave_link ($map, $x, $y); 2597 $self->leave_link ($map, $x, $y);
2598 }
2599
2600 $done->() if $done;
2014 })->prio (1); 2601 })->prio (1);
2015} 2602}
2016 2603
2017=item $player_object->enter_exit ($exit_object) 2604=item $player_object->enter_exit ($exit_object)
2018 2605
… …
2038} 2625}
2039 2626
2040sub prepare_random_map { 2627sub prepare_random_map {
2041 my ($exit) = @_; 2628 my ($exit) = @_;
2042 2629
2043 my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045 # all this does is basically replace the /! path by 2630 # all this does is basically replace the /! path by
2046 # a new random map path (?random/...) with a seed 2631 # a new random map path (?random/...) with a seed
2047 # that depends on the exit object 2632 # that depends on the exit object
2048 2633
2049 my $rmp = parse_random_map_params $exit->msg; 2634 my $rmp = parse_random_map_params $exit->msg;
… …
2051 if ($exit->map) { 2636 if ($exit->map) {
2052 $rmp->{region} = $exit->region->name; 2637 $rmp->{region} = $exit->region->name;
2053 $rmp->{origin_map} = $exit->map->path; 2638 $rmp->{origin_map} = $exit->map->path;
2054 $rmp->{origin_x} = $exit->x; 2639 $rmp->{origin_x} = $exit->x;
2055 $rmp->{origin_y} = $exit->y; 2640 $rmp->{origin_y} = $exit->y;
2641
2642 $exit->map->touch;
2056 } 2643 }
2057 2644
2058 $rmp->{random_seed} ||= $exit->random_seed; 2645 $rmp->{random_seed} ||= $exit->random_seed;
2059 2646
2060 my $data = cf::to_json $rmp; 2647 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061 my $md5 = Digest::MD5::md5_hex $data; 2648 my $md5 = Digest::MD5::md5_hex $data;
2062 my $meta = "$RANDOMDIR/$md5.meta"; 2649 my $meta = "$RANDOMDIR/$md5.meta";
2063 2650
2064 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2651 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065 aio_write $fh, 0, (length $data), $data, 0; 2652 aio_write $fh, 0, (length $data), $data, 0;
2066 undef $fh; 2653 undef $fh;
2067 aio_rename "$meta~", $meta; 2654 aio_rename "$meta~", $meta;
2068 2655
2656 my $slaying = "?random/$md5";
2657
2658 if ($exit->valid) {
2069 $exit->slaying ("?random/$md5"); 2659 $exit->slaying ("?random/$md5");
2070 $exit->msg (undef); 2660 $exit->msg (undef);
2661 }
2071 } 2662 }
2072} 2663}
2073 2664
2074sub cf::object::player::enter_exit { 2665sub cf::object::player::enter_exit {
2075 my ($self, $exit) = @_; 2666 my ($self, $exit) = @_;
2076 2667
2077 return unless $self->type == cf::PLAYER; 2668 return unless $self->type == cf::PLAYER;
2078 2669
2079 if ($exit->slaying eq "/!") {
2080 #TODO: this should de-fi-ni-te-ly not be a sync-job
2081 # the problem is that $exit might not survive long enough
2082 # so it needs to be done right now, right here
2083 cf::sync_job { prepare_random_map $exit };
2084 }
2085
2086 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087 my $hp = $exit->stats->hp;
2088 my $sp = $exit->stats->sp;
2089
2090 $self->enter_link; 2670 $self->enter_link;
2091 2671
2092 (async { 2672 (async {
2093 $self->deactivate_recursive; # just to be sure 2673 $Coro::current->{desc} = "enter_exit";
2674
2094 unless (eval { 2675 unless (eval {
2676 $self->deactivate_recursive; # just to be sure
2677
2678 # random map handling
2679 {
2680 my $guard = cf::lock_acquire "exit_prepare:$exit";
2681
2682 prepare_random_map $exit
2683 if $exit->slaying eq "/!";
2684 }
2685
2686 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2687 my $x = $exit->stats->hp;
2688 my $y = $exit->stats->sp;
2689
2095 $self->goto ($slaying, $hp, $sp); 2690 $self->goto ($map, $x, $y);
2096 2691
2692 # if exit is damned, update players death & WoR home-position
2693 $self->contr->savebed ($map, $x, $y)
2694 if $exit->flag (cf::FLAG_DAMNED);
2695
2097 1; 2696 1
2098 }) { 2697 }) {
2099 $self->message ("Something went wrong deep within the crossfire server. " 2698 $self->message ("Something went wrong deep within the deliantra server. "
2100 . "I'll try to bring you back to the map you were before. " 2699 . "I'll try to bring you back to the map you were before. "
2101 . "Please report this to the dungeon master!", 2700 . "Please report this to the dungeon master!",
2102 cf::NDI_UNIQUE | cf::NDI_RED); 2701 cf::NDI_UNIQUE | cf::NDI_RED);
2103 2702
2104 warn "ERROR in enter_exit: $@"; 2703 warn "ERROR in enter_exit: $@";
… …
2123 2722
2124 utf8::encode $text; 2723 utf8::encode $text;
2125 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2724 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126} 2725}
2127 2726
2727=item $client->send_msg ($channel, $msg, $color, [extra...])
2728
2729Send a drawinfo or msg packet to the client, formatting the msg for the
2730client if neccessary. C<$type> should be a string identifying the type of
2731the message, with C<log> being the default. If C<$color> is negative, suppress
2732the message unless the client supports the msg packet.
2733
2734=cut
2735
2736# non-persistent channels (usually the info channel)
2737our %CHANNEL = (
2738 "c/identify" => {
2739 id => "infobox",
2740 title => "Identify",
2741 reply => undef,
2742 tooltip => "Items recently identified",
2743 },
2744 "c/examine" => {
2745 id => "infobox",
2746 title => "Examine",
2747 reply => undef,
2748 tooltip => "Signs and other items you examined",
2749 },
2750 "c/book" => {
2751 id => "infobox",
2752 title => "Book",
2753 reply => undef,
2754 tooltip => "The contents of a note or book",
2755 },
2756 "c/lookat" => {
2757 id => "infobox",
2758 title => "Look",
2759 reply => undef,
2760 tooltip => "What you saw there",
2761 },
2762 "c/who" => {
2763 id => "infobox",
2764 title => "Players",
2765 reply => undef,
2766 tooltip => "Shows players who are currently online",
2767 },
2768 "c/body" => {
2769 id => "infobox",
2770 title => "Body Parts",
2771 reply => undef,
2772 tooltip => "Shows which body parts you posess and are available",
2773 },
2774 "c/skills" => {
2775 id => "infobox",
2776 title => "Skills",
2777 reply => undef,
2778 tooltip => "Shows your experience per skill and item power",
2779 },
2780 "c/uptime" => {
2781 id => "infobox",
2782 title => "Uptime",
2783 reply => undef,
2784 tooltip => "How long the server has been running since last restart",
2785 },
2786 "c/mapinfo" => {
2787 id => "infobox",
2788 title => "Map Info",
2789 reply => undef,
2790 tooltip => "Information related to the maps",
2791 },
2792 "c/party" => {
2793 id => "party",
2794 title => "Party",
2795 reply => "gsay ",
2796 tooltip => "Messages and chat related to your party",
2797 },
2798 "c/say" => $SAY_CHANNEL,
2799 "c/chat" => $CHAT_CHANNEL,
2800);
2801
2802sub cf::client::send_msg {
2803 my ($self, $channel, $msg, $color, @extra) = @_;
2804
2805 $msg = $self->pl->expand_cfpod ($msg)
2806 unless $color & cf::NDI_VERBATIM;
2807
2808 $color &= cf::NDI_CLIENT_MASK; # just in case...
2809
2810 # check predefined channels, for the benefit of C
2811 if ($CHANNEL{$channel}) {
2812 $channel = $CHANNEL{$channel};
2813
2814 $self->ext_msg (channel_info => $channel);
2815 $channel = $channel->{id};
2816
2817 } elsif (ref $channel) {
2818 # send meta info to client, if not yet sent
2819 unless (exists $self->{channel}{$channel->{id}}) {
2820 $self->{channel}{$channel->{id}} = $channel;
2821 $self->ext_msg (channel_info => $channel);
2822 }
2823
2824 $channel = $channel->{id};
2825 }
2826
2827 return unless @extra || length $msg;
2828
2829 # default colour, mask it out
2830 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2831 if $color & cf::NDI_DEF;
2832
2833 my $pkt = "msg "
2834 . $self->{json_coder}->encode (
2835 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2836 );
2837
2838 # try lzf for large packets
2839 $pkt = "lzf " . Compress::LZF::compress $pkt
2840 if 1024 <= length $pkt and $self->{can_lzf};
2841
2842 # split very large packets
2843 if (8192 < length $pkt and $self->{can_lzf}) {
2844 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2845 $pkt = "frag";
2846 }
2847
2848 $self->send_packet ($pkt);
2849}
2850
2128=item $client->ext_event ($type, %msg) 2851=item $client->ext_msg ($type, @msg)
2129 2852
2130Sends an exti event to the client. 2853Sends an ext event to the client.
2131 2854
2132=cut 2855=cut
2133 2856
2134sub cf::client::ext_event($$%) { 2857sub cf::client::ext_msg($$@) {
2135 my ($self, $type, %msg) = @_; 2858 my ($self, $type, @msg) = @_;
2136 2859
2860 if ($self->extcmd == 2) {
2861 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2862 } elsif ($self->extcmd == 1) { # TODO: remove
2137 $msg{msgtype} = "event_$type"; 2863 push @msg, msgtype => "event_$type";
2138 $self->send_packet ("ext " . cf::to_json \%msg); 2864 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2865 }
2866}
2867
2868=item $client->ext_reply ($msgid, @msg)
2869
2870Sends an ext reply to the client.
2871
2872=cut
2873
2874sub cf::client::ext_reply($$@) {
2875 my ($self, $id, @msg) = @_;
2876
2877 if ($self->extcmd == 2) {
2878 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2879 } elsif ($self->extcmd == 1) {
2880 #TODO: version 1, remove
2881 unshift @msg, msgtype => "reply", msgid => $id;
2882 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2883 }
2139} 2884}
2140 2885
2141=item $success = $client->query ($flags, "text", \&cb) 2886=item $success = $client->query ($flags, "text", \&cb)
2142 2887
2143Queues a query to the client, calling the given callback with 2888Queues a query to the client, calling the given callback with
2144the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2889the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2890C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146 2891
2147Queries can fail, so check the return code. Or don't, as queries will become 2892Queries can fail, so check the return code. Or don't, as queries will
2148reliable at some point in the future. 2893become reliable at some point in the future.
2149 2894
2150=cut 2895=cut
2151 2896
2152sub cf::client::query { 2897sub cf::client::query {
2153 my ($self, $flags, $text, $cb) = @_; 2898 my ($self, $flags, $text, $cb) = @_;
… …
2161 utf8::encode $text; 2906 utf8::encode $text;
2162 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2907 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163 2908
2164 $self->send_packet ($self->{query_queue}[0][0]) 2909 $self->send_packet ($self->{query_queue}[0][0])
2165 if @{ $self->{query_queue} } == 1; 2910 if @{ $self->{query_queue} } == 1;
2911
2912 1
2166} 2913}
2167 2914
2168cf::client->attach ( 2915cf::client->attach (
2916 on_connect => sub {
2917 my ($ns) = @_;
2918
2919 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2920 },
2169 on_reply => sub { 2921 on_reply => sub {
2170 my ($ns, $msg) = @_; 2922 my ($ns, $msg) = @_;
2171 2923
2172 # this weird shuffling is so that direct followup queries 2924 # this weird shuffling is so that direct followup queries
2173 # get handled first 2925 # get handled first
… …
2185 } else { 2937 } else {
2186 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2938 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187 } 2939 }
2188 } 2940 }
2189 }, 2941 },
2942 on_exticmd => sub {
2943 my ($ns, $buf) = @_;
2944
2945 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2946
2947 if (ref $msg) {
2948 my ($type, $reply, @payload) =
2949 "ARRAY" eq ref $msg
2950 ? @$msg
2951 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2952
2953 my @reply;
2954
2955 if (my $cb = $EXTICMD{$type}) {
2956 @reply = $cb->($ns, @payload);
2957 }
2958
2959 $ns->ext_reply ($reply, @reply)
2960 if $reply;
2961
2962 } else {
2963 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2964 }
2965
2966 cf::override;
2967 },
2190); 2968);
2191 2969
2192=item $client->async (\&cb) 2970=item $client->async (\&cb)
2193 2971
2194Create a new coroutine, running the specified callback. The coroutine will 2972Create a new coroutine, running the specified callback. The coroutine will
… …
2235our $safe = new Safe "safe"; 3013our $safe = new Safe "safe";
2236our $safe_hole = new Safe::Hole; 3014our $safe_hole = new Safe::Hole;
2237 3015
2238$SIG{FPE} = 'IGNORE'; 3016$SIG{FPE} = 'IGNORE';
2239 3017
2240$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3018$safe->permit_only (Opcode::opset qw(
3019 :base_core :base_mem :base_orig :base_math
3020 grepstart grepwhile mapstart mapwhile
3021 sort time
3022));
2241 3023
2242# here we export the classes and methods available to script code 3024# here we export the classes and methods available to script code
2243 3025
2244=pod 3026=pod
2245 3027
2246The following functions and methods are available within a safe environment: 3028The following functions and methods are available within a safe environment:
2247 3029
2248 cf::object contr pay_amount pay_player map 3030 cf::object
3031 contr pay_amount pay_player map x y force_find force_add destroy
3032 insert remove name archname title slaying race decrease split
3033
2249 cf::object::player player 3034 cf::object::player
2250 cf::player peaceful 3035 player
2251 cf::map trigger 3036
3037 cf::player
3038 peaceful
3039
3040 cf::map
3041 trigger
2252 3042
2253=cut 3043=cut
2254 3044
2255for ( 3045for (
2256 ["cf::object" => qw(contr pay_amount pay_player map)], 3046 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3047 insert remove inv nrof name archname title slaying race
3048 decrease split destroy change_exp)],
2257 ["cf::object::player" => qw(player)], 3049 ["cf::object::player" => qw(player)],
2258 ["cf::player" => qw(peaceful)], 3050 ["cf::player" => qw(peaceful)],
2259 ["cf::map" => qw(trigger)], 3051 ["cf::map" => qw(trigger)],
2260) { 3052) {
2261 no strict 'refs'; 3053 no strict 'refs';
… …
2332=back 3124=back
2333 3125
2334=cut 3126=cut
2335 3127
2336############################################################################# 3128#############################################################################
2337
2338=head2 EXTENSION DATABASE SUPPORT
2339
2340Crossfire maintains a very simple database for extension use. It can
2341currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342convert to/from binary).
2343
2344The parameter C<$family> should best start with the name of the extension
2345using it, it should be unique.
2346
2347=over 4
2348
2349=item $value = cf::db_get $family => $key
2350
2351Returns a single value from the database.
2352
2353=item cf::db_put $family => $key => $value
2354
2355Stores the given C<$value> in the family.
2356
2357=cut
2358
2359our $DB;
2360
2361sub db_init {
2362 unless ($DB) {
2363 $DB = BDB::db_create $DB_ENV;
2364
2365 cf::sync_job {
2366 eval {
2367 $DB->set_flags (BDB::CHKSUM);
2368
2369 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371 cf::cleanup "db_open(db): $!" if $!;
2372 };
2373 cf::cleanup "db_open(db): $@" if $@;
2374 };
2375 }
2376}
2377
2378sub db_get($$) {
2379 my $key = "$_[0]/$_[1]";
2380
2381 cf::sync_job {
2382 BDB::db_get $DB, undef, $key, my $data;
2383
2384 $! ? ()
2385 : $data
2386 }
2387}
2388
2389sub db_put($$$) {
2390 BDB::dbreq_pri 4;
2391 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392}
2393
2394=item cf::cache $id => [$paths...], $processversion => $process
2395
2396Generic caching function that returns the value of the resource $id,
2397caching and regenerating as required.
2398
2399This function can block.
2400
2401=cut
2402
2403sub cache {
2404 my ($id, $src, $processversion, $process) = @_;
2405
2406 my $meta =
2407 join "\x00",
2408 $processversion,
2409 map {
2410 aio_stat $_
2411 and Carp::croak "$_: $!";
2412
2413 ($_, (stat _)[7,9])
2414 } @$src;
2415
2416 my $dbmeta = db_get cache => "$id/meta";
2417 if ($dbmeta ne $meta) {
2418 # changed, we may need to process
2419
2420 my @data;
2421 my $md5;
2422
2423 for (0 .. $#$src) {
2424 0 <= aio_load $src->[$_], $data[$_]
2425 or Carp::croak "$src->[$_]: $!";
2426 }
2427
2428 # if processing is expensive, check
2429 # checksum first
2430 if (1) {
2431 $md5 =
2432 join "\x00",
2433 $processversion,
2434 map {
2435 Coro::cede;
2436 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2437 } 0.. $#$src;
2438
2439
2440 my $dbmd5 = db_get cache => "$id/md5";
2441 if ($dbmd5 eq $md5) {
2442 db_put cache => "$id/meta", $meta;
2443
2444 return db_get cache => "$id/data";
2445 }
2446 }
2447
2448 my $t1 = Time::HiRes::time;
2449 my $data = $process->(\@data);
2450 my $t2 = Time::HiRes::time;
2451
2452 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454 db_put cache => "$id/data", $data;
2455 db_put cache => "$id/md5" , $md5;
2456 db_put cache => "$id/meta", $meta;
2457
2458 return $data;
2459 }
2460
2461 db_get cache => "$id/data"
2462}
2463
2464=item fork_call { }, $args
2465
2466Executes the given code block with the given arguments in a seperate
2467process, returning the results. Everything must be serialisable with
2468Coro::Storable. May, of course, block. Note that the executed sub may
2469never block itself or use any form of Event handling.
2470
2471=cut
2472
2473sub fork_call(&@) {
2474 my ($cb, @args) = @_;
2475
2476# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477# or die "socketpair: $!";
2478 pipe my $fh1, my $fh2
2479 or die "pipe: $!";
2480
2481 if (my $pid = fork) {
2482 close $fh2;
2483
2484 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485 $res = Coro::Storable::thaw $res;
2486
2487 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489 die $$res unless "ARRAY" eq ref $res;
2490
2491 return wantarray ? @$res : $res->[-1];
2492 } else {
2493 reset_signals;
2494 local $SIG{__WARN__};
2495 local $SIG{__DIE__};
2496 eval {
2497 close $fh1;
2498
2499 my @res = eval { $cb->(@args) };
2500 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501 };
2502
2503 warn $@ if $@;
2504 _exit 0;
2505 }
2506}
2507
2508
2509
2510#############################################################################
2511# the server's init and main functions 3129# the server's init and main functions
2512 3130
2513sub load_facedata($) { 3131sub load_facedata($) {
2514 my ($path) = @_; 3132 my ($path) = @_;
3133
3134 # HACK to clear player env face cache, we need some signal framework
3135 # for this (global event?)
3136 %ext::player_env::MUSIC_FACE_CACHE = ();
3137
3138 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515 3139
2516 warn "loading facedata from $path\n"; 3140 warn "loading facedata from $path\n";
2517 3141
2518 my $facedata; 3142 my $facedata;
2519 0 < aio_load $path, $facedata 3143 0 < aio_load $path, $facedata
… …
2522 $facedata = Coro::Storable::thaw $facedata; 3146 $facedata = Coro::Storable::thaw $facedata;
2523 3147
2524 $facedata->{version} == 2 3148 $facedata->{version} == 2
2525 or cf::cleanup "$path: version mismatch, cannot proceed."; 3149 or cf::cleanup "$path: version mismatch, cannot proceed.";
2526 3150
3151 # patch in the exptable
3152 $facedata->{resource}{"res/exp_table"} = {
3153 type => FT_RSRC,
3154 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3155 };
3156 cf::cede_to_tick;
3157
2527 { 3158 {
2528 my $faces = $facedata->{faceinfo}; 3159 my $faces = $facedata->{faceinfo};
2529 3160
2530 while (my ($face, $info) = each %$faces) { 3161 while (my ($face, $info) = each %$faces) {
2531 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3162 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3163
2532 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3164 cf::face::set_visibility $idx, $info->{visibility};
3165 cf::face::set_magicmap $idx, $info->{magicmap};
2533 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3166 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3167 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535 Coro::cede; 3168
3169 cf::cede_to_tick;
2536 } 3170 }
2537 3171
2538 while (my ($face, $info) = each %$faces) { 3172 while (my ($face, $info) = each %$faces) {
2539 next unless $info->{smooth}; 3173 next unless $info->{smooth};
3174
2540 my $idx = cf::face::find $face 3175 my $idx = cf::face::find $face
2541 or next; 3176 or next;
3177
2542 if (my $smooth = cf::face::find $info->{smooth}) { 3178 if (my $smooth = cf::face::find $info->{smooth}) {
3179 cf::face::set_smooth $idx, $smooth;
2543 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3180 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544 } else { 3181 } else {
2545 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3182 warn "smooth face '$info->{smooth}' not found for face '$face'";
2546 } 3183 }
2547 Coro::cede; 3184
3185 cf::cede_to_tick;
2548 } 3186 }
2549 } 3187 }
2550 3188
2551 { 3189 {
2552 my $anims = $facedata->{animinfo}; 3190 my $anims = $facedata->{animinfo};
2553 3191
2554 while (my ($anim, $info) = each %$anims) { 3192 while (my ($anim, $info) = each %$anims) {
2555 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3193 cf::anim::set $anim, $info->{frames}, $info->{facings};
2556 Coro::cede; 3194 cf::cede_to_tick;
2557 } 3195 }
2558 3196
2559 cf::anim::invalidate_all; # d'oh 3197 cf::anim::invalidate_all; # d'oh
2560 } 3198 }
2561 3199
3200 {
3201 # TODO: for gcfclient pleasure, we should give resources
3202 # that gcfclient doesn't grok a >10000 face index.
3203 my $res = $facedata->{resource};
3204
3205 while (my ($name, $info) = each %$res) {
3206 if (defined $info->{type}) {
3207 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3208 my $data;
3209
3210 if ($info->{type} & 1) {
3211 # prepend meta info
3212
3213 my $meta = $enc->encode ({
3214 name => $name,
3215 %{ $info->{meta} || {} },
3216 });
3217
3218 $data = pack "(w/a*)*", $meta, $info->{data};
3219 } else {
3220 $data = $info->{data};
3221 }
3222
3223 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3224 cf::face::set_type $idx, $info->{type};
3225 } else {
3226 $RESOURCE{$name} = $info;
3227 }
3228
3229 cf::cede_to_tick;
3230 }
3231 }
3232
3233 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3234
2562 1 3235 1
2563} 3236}
2564 3237
3238cf::global->attach (on_resource_update => sub {
3239 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3240 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3241
3242 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3243 my $sound = $soundconf->{compat}[$_]
3244 or next;
3245
3246 my $face = cf::face::find "sound/$sound->[1]";
3247 cf::sound::set $sound->[0] => $face;
3248 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3249 }
3250
3251 while (my ($k, $v) = each %{$soundconf->{event}}) {
3252 my $face = cf::face::find "sound/$v";
3253 cf::sound::set $k => $face;
3254 }
3255 }
3256});
3257
3258register_exticmd fx_want => sub {
3259 my ($ns, $want) = @_;
3260
3261 while (my ($k, $v) = each %$want) {
3262 $ns->fx_want ($k, $v);
3263 }
3264};
3265
3266sub load_resource_file($) {
3267 my $guard = lock_acquire "load_resource_file";
3268
3269 my $status = load_resource_file_ $_[0];
3270 get_slot 0.1, 100;
3271 cf::arch::commit_load;
3272
3273 $status
3274}
3275
2565sub reload_regions { 3276sub reload_regions {
3277 # HACK to clear player env face cache, we need some signal framework
3278 # for this (global event?)
3279 %ext::player_env::MUSIC_FACE_CACHE = ();
3280
2566 load_resource_file "$MAPDIR/regions" 3281 load_resource_file "$MAPDIR/regions"
2567 or die "unable to load regions file\n"; 3282 or die "unable to load regions file\n";
3283
3284 for (cf::region::list) {
3285 $_->{match} = qr/$_->{match}/
3286 if exists $_->{match};
3287 }
2568} 3288}
2569 3289
2570sub reload_facedata { 3290sub reload_facedata {
2571 load_facedata "$DATADIR/facedata" 3291 load_facedata "$DATADIR/facedata"
2572 or die "unable to load facedata\n"; 3292 or die "unable to load facedata\n";
… …
2583} 3303}
2584 3304
2585sub reload_resources { 3305sub reload_resources {
2586 warn "reloading resource files...\n"; 3306 warn "reloading resource files...\n";
2587 3307
2588 reload_regions;
2589 reload_facedata; 3308 reload_facedata;
2590 reload_archetypes; 3309 reload_archetypes;
3310 reload_regions;
2591 reload_treasures; 3311 reload_treasures;
2592 3312
2593 warn "finished reloading resource files\n"; 3313 warn "finished reloading resource files\n";
2594} 3314}
2595 3315
2596sub init { 3316sub reload_config {
2597 reload_resources;
2598}
2599
2600sub cfg_load {
2601 open my $fh, "<:utf8", "$CONFDIR/config" 3317 open my $fh, "<:utf8", "$CONFDIR/config"
2602 or return; 3318 or return;
2603 3319
2604 local $/; 3320 local $/;
2605 *CFG = YAML::Syck::Load <$fh>; 3321 *CFG = YAML::Load <$fh>;
2606 3322
2607 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3323 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608 3324
2609 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3325 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3326 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2616 }; 3332 };
2617 warn $@ if $@; 3333 warn $@ if $@;
2618 } 3334 }
2619} 3335}
2620 3336
3337sub pidfile() {
3338 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3339 or die "$PIDFILE: $!";
3340 flock $fh, &Fcntl::LOCK_EX
3341 or die "$PIDFILE: flock: $!";
3342 $fh
3343}
3344
3345# make sure only one server instance is running at any one time
3346sub atomic {
3347 my $fh = pidfile;
3348
3349 my $pid = <$fh>;
3350 kill 9, $pid if $pid > 0;
3351
3352 seek $fh, 0, 0;
3353 print $fh $$;
3354}
3355
2621sub main { 3356sub main {
3357 cf::init_globals; # initialise logging
3358
3359 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3360 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3361 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3362 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3363
3364 cf::init_experience;
3365 cf::init_anim;
3366 cf::init_attackmess;
3367 cf::init_dynamic;
3368
3369 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3370
2622 # we must not ever block the main coroutine 3371 # we must not ever block the main coroutine
2623 local $Coro::idle = sub { 3372 local $Coro::idle = sub {
2624 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3373 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625 (async { 3374 (async {
2626 Event::one_event; 3375 $Coro::current->{desc} = "IDLE BUG HANDLER";
3376 EV::loop EV::LOOP_ONESHOT;
2627 })->prio (Coro::PRIO_MAX); 3377 })->prio (Coro::PRIO_MAX);
2628 }; 3378 };
2629 3379
2630 cfg_load; 3380 evthread_start IO::AIO::poll_fileno;
3381
3382 cf::sync_job {
3383 reload_resources;
3384 reload_config;
2631 db_init; 3385 db_init;
3386
3387 cf::load_settings;
3388 cf::load_materials;
3389 cf::init_uuid;
3390 cf::init_signals;
3391 cf::init_commands;
3392 cf::init_skills;
3393
3394 cf::init_beforeplay;
3395
3396 atomic;
3397
2632 load_extensions; 3398 load_extensions;
2633 3399
2634 $TICK_WATCHER->start; 3400 utime time, time, $RUNTIMEFILE;
3401
3402 # no (long-running) fork's whatsoever before this point(!)
3403 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3404
3405 (pop @POST_INIT)->(0) while @POST_INIT;
3406 };
3407
2635 Event::loop; 3408 EV::loop;
2636} 3409}
2637 3410
2638############################################################################# 3411#############################################################################
2639# initialisation and cleanup 3412# initialisation and cleanup
2640 3413
2641# install some emergency cleanup handlers 3414# install some emergency cleanup handlers
2642BEGIN { 3415BEGIN {
3416 our %SIGWATCHER = ();
2643 for my $signal (qw(INT HUP TERM)) { 3417 for my $signal (qw(INT HUP TERM)) {
2644 Event->signal ( 3418 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2645 reentrant => 0,
2646 data => WF_AUTOCANCEL,
2647 signal => $signal,
2648 prio => 0,
2649 cb => sub {
2650 cf::cleanup "SIG$signal"; 3419 cf::cleanup "SIG$signal";
2651 },
2652 ); 3420 };
3421 }
3422}
3423
3424sub write_runtime_sync {
3425 # first touch the runtime file to show we are still running:
3426 # the fsync below can take a very very long time.
3427
3428 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3429
3430 my $guard = cf::lock_acquire "write_runtime";
3431
3432 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3433 or return;
3434
3435 my $value = $cf::RUNTIME + 90 + 10;
3436 # 10 is the runtime save interval, for a monotonic clock
3437 # 60 allows for the watchdog to kill the server.
3438
3439 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3440 and return;
3441
3442 # always fsync - this file is important
3443 aio_fsync $fh
3444 and return;
3445
3446 # touch it again to show we are up-to-date
3447 aio_utime $fh, undef, undef;
3448
3449 close $fh
3450 or return;
3451
3452 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3453 and return;
3454
3455 warn "runtime file written.\n";
3456
2653 } 3457 1
3458}
3459
3460our $uuid_lock;
3461our $uuid_skip;
3462
3463sub write_uuid_sync($) {
3464 $uuid_skip ||= $_[0];
3465
3466 return if $uuid_lock;
3467 local $uuid_lock = 1;
3468
3469 my $uuid = "$LOCALDIR/uuid";
3470
3471 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3472 or return;
3473
3474 my $value = uuid_seq uuid_cur;
3475
3476 unless ($value) {
3477 warn "cowardly refusing to write zero uuid value!\n";
3478 return;
3479 }
3480
3481 my $value = uuid_str $value + $uuid_skip;
3482 $uuid_skip = 0;
3483
3484 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3485 and return;
3486
3487 # always fsync - this file is important
3488 aio_fsync $fh
3489 and return;
3490
3491 close $fh
3492 or return;
3493
3494 aio_rename "$uuid~", $uuid
3495 and return;
3496
3497 warn "uuid file written ($value).\n";
3498
3499 1
3500
3501}
3502
3503sub write_uuid($$) {
3504 my ($skip, $sync) = @_;
3505
3506 $sync ? write_uuid_sync $skip
3507 : async { write_uuid_sync $skip };
2654} 3508}
2655 3509
2656sub emergency_save() { 3510sub emergency_save() {
2657 my $freeze_guard = cf::freeze_mainloop; 3511 my $freeze_guard = cf::freeze_mainloop;
2658 3512
2659 warn "enter emergency perl save\n"; 3513 warn "emergency_perl_save: enter\n";
2660 3514
2661 cf::sync_job { 3515 cf::sync_job {
3516 # this is a trade-off: we want to be very quick here, so
3517 # save all maps without fsync, and later call a global sync
3518 # (which in turn might be very very slow)
3519 local $USE_FSYNC = 0;
3520
2662 # use a peculiar iteration method to avoid tripping on perl 3521 # use a peculiar iteration method to avoid tripping on perl
2663 # refcount bugs in for. also avoids problems with players 3522 # refcount bugs in for. also avoids problems with players
2664 # and maps saved/destroyed asynchronously. 3523 # and maps saved/destroyed asynchronously.
2665 warn "begin emergency player save\n"; 3524 warn "emergency_perl_save: begin player save\n";
2666 for my $login (keys %cf::PLAYER) { 3525 for my $login (keys %cf::PLAYER) {
2667 my $pl = $cf::PLAYER{$login} or next; 3526 my $pl = $cf::PLAYER{$login} or next;
2668 $pl->valid or next; 3527 $pl->valid or next;
3528 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669 $pl->save; 3529 $pl->save;
2670 } 3530 }
2671 warn "end emergency player save\n"; 3531 warn "emergency_perl_save: end player save\n";
2672 3532
2673 warn "begin emergency map save\n"; 3533 warn "emergency_perl_save: begin map save\n";
2674 for my $path (keys %cf::MAP) { 3534 for my $path (keys %cf::MAP) {
2675 my $map = $cf::MAP{$path} or next; 3535 my $map = $cf::MAP{$path} or next;
2676 $map->valid or next; 3536 $map->valid or next;
2677 $map->save; 3537 $map->save;
2678 } 3538 }
2679 warn "end emergency map save\n"; 3539 warn "emergency_perl_save: end map save\n";
2680 3540
2681 warn "begin emergency database checkpoint\n"; 3541 warn "emergency_perl_save: begin database checkpoint\n";
2682 BDB::db_env_txn_checkpoint $DB_ENV; 3542 BDB::db_env_txn_checkpoint $DB_ENV;
2683 warn "end emergency database checkpoint\n"; 3543 warn "emergency_perl_save: end database checkpoint\n";
3544
3545 warn "emergency_perl_save: begin write uuid\n";
3546 write_uuid_sync 1;
3547 warn "emergency_perl_save: end write uuid\n";
2684 }; 3548 };
2685 3549
3550 warn "emergency_perl_save: starting sync()\n";
3551 IO::AIO::aio_sync sub {
3552 warn "emergency_perl_save: finished sync()\n";
3553 };
3554
2686 warn "leave emergency perl save\n"; 3555 warn "emergency_perl_save: leave\n";
2687} 3556}
2688 3557
2689sub post_cleanup { 3558sub post_cleanup {
2690 my ($make_core) = @_; 3559 my ($make_core) = @_;
2691 3560
2692 warn Carp::longmess "post_cleanup backtrace" 3561 warn Carp::longmess "post_cleanup backtrace"
2693 if $make_core; 3562 if $make_core;
3563
3564 my $fh = pidfile;
3565 unlink $PIDFILE if <$fh> == $$;
3566}
3567
3568# a safer delete_package, copied from Symbol
3569sub clear_package($) {
3570 my $pkg = shift;
3571
3572 # expand to full symbol table name if needed
3573 unless ($pkg =~ /^main::.*::$/) {
3574 $pkg = "main$pkg" if $pkg =~ /^::/;
3575 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3576 $pkg .= '::' unless $pkg =~ /::$/;
3577 }
3578
3579 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3580 my $stem_symtab = *{$stem}{HASH};
3581
3582 defined $stem_symtab and exists $stem_symtab->{$leaf}
3583 or return;
3584
3585 # clear all symbols
3586 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3587 for my $name (keys %$leaf_symtab) {
3588 _gv_clear *{"$pkg$name"};
3589# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3590 }
3591 warn "cleared package $pkg\n";#d#
2694} 3592}
2695 3593
2696sub do_reload_perl() { 3594sub do_reload_perl() {
2697 # can/must only be called in main 3595 # can/must only be called in main
2698 if ($Coro::current != $Coro::main) { 3596 if ($Coro::current != $Coro::main) {
2699 warn "can only reload from main coroutine"; 3597 warn "can only reload from main coroutine";
2700 return; 3598 return;
2701 } 3599 }
2702 3600
3601 return if $RELOAD++;
3602
3603 my $t1 = EV::time;
3604
3605 while ($RELOAD) {
2703 warn "reloading..."; 3606 warn "reloading...";
2704 3607
2705 warn "entering sync_job"; 3608 warn "entering sync_job";
2706 3609
2707 cf::sync_job { 3610 cf::sync_job {
2708 cf::write_runtime; # external watchdog should not bark 3611 cf::write_runtime_sync; # external watchdog should not bark
2709 cf::emergency_save; 3612 cf::emergency_save;
2710 cf::write_runtime; # external watchdog should not bark 3613 cf::write_runtime_sync; # external watchdog should not bark
2711 3614
2712 warn "syncing database to disk"; 3615 warn "syncing database to disk";
2713 BDB::db_env_txn_checkpoint $DB_ENV; 3616 BDB::db_env_txn_checkpoint $DB_ENV;
2714 3617
2715 # if anything goes wrong in here, we should simply crash as we already saved 3618 # if anything goes wrong in here, we should simply crash as we already saved
2716 3619
2717 warn "cancelling all WF_AUTOCANCEL watchers";
2718 for (Event::all_watchers) {
2719 $_->cancel if $_->data & WF_AUTOCANCEL;
2720 }
2721
2722 warn "flushing outstanding aio requests"; 3620 warn "flushing outstanding aio requests";
2723 for (;;) {
2724 BDB::flush;
2725 IO::AIO::flush;
2726 Coro::cede;
2727 last unless IO::AIO::nreqs || BDB::nreqs; 3621 while (IO::AIO::nreqs || BDB::nreqs) {
2728 warn "iterate..."; 3622 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2729 }
2730
2731 ++$RELOAD;
2732
2733 warn "cancelling all extension coros";
2734 $_->cancel for values %EXT_CORO;
2735 %EXT_CORO = ();
2736
2737 warn "removing commands";
2738 %COMMAND = ();
2739
2740 warn "removing ext commands";
2741 %EXTCMD = ();
2742
2743 warn "unloading/nuking all extensions";
2744 for my $pkg (@EXTS) {
2745 warn "... unloading $pkg";
2746
2747 if (my $cb = $pkg->can ("unload")) {
2748 eval {
2749 $cb->($pkg);
2750 1
2751 } or warn "$pkg unloaded, but with errors: $@";
2752 } 3623 }
2753 3624
2754 warn "... nuking $pkg"; 3625 warn "cancelling all extension coros";
2755 Symbol::delete_package $pkg; 3626 $_->cancel for values %EXT_CORO;
2756 } 3627 %EXT_CORO = ();
2757 3628
2758 warn "unloading all perl modules loaded from $LIBDIR"; 3629 warn "removing commands";
2759 while (my ($k, $v) = each %INC) { 3630 %COMMAND = ();
2760 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761 3631
3632 warn "removing ext/exti commands";
3633 %EXTCMD = ();
3634 %EXTICMD = ();
3635
3636 warn "unloading/nuking all extensions";
3637 for my $pkg (@EXTS) {
2762 warn "... unloading $k"; 3638 warn "... unloading $pkg";
2763 delete $INC{$k};
2764 3639
2765 $k =~ s/\.pm$//;
2766 $k =~ s/\//::/g;
2767
2768 if (my $cb = $k->can ("unload_module")) { 3640 if (my $cb = $pkg->can ("unload")) {
3641 eval {
2769 $cb->(); 3642 $cb->($pkg);
3643 1
3644 } or warn "$pkg unloaded, but with errors: $@";
3645 }
3646
3647 warn "... clearing $pkg";
3648 clear_package $pkg;
2770 } 3649 }
2771 3650
2772 Symbol::delete_package $k; 3651 warn "unloading all perl modules loaded from $LIBDIR";
3652 while (my ($k, $v) = each %INC) {
3653 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3654
3655 warn "... unloading $k";
3656 delete $INC{$k};
3657
3658 $k =~ s/\.pm$//;
3659 $k =~ s/\//::/g;
3660
3661 if (my $cb = $k->can ("unload_module")) {
3662 $cb->();
3663 }
3664
3665 clear_package $k;
2773 } 3666 }
2774 3667
2775 warn "getting rid of safe::, as good as possible"; 3668 warn "getting rid of safe::, as good as possible";
2776 Symbol::delete_package "safe::$_" 3669 clear_package "safe::$_"
2777 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3670 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778 3671
2779 warn "unloading cf.pm \"a bit\""; 3672 warn "unloading cf.pm \"a bit\"";
2780 delete $INC{"cf.pm"}; 3673 delete $INC{"cf.pm"};
2781 delete $INC{"cf/pod.pm"}; 3674 delete $INC{"cf/pod.pm"};
2782 3675
2783 # don't, removes xs symbols, too, 3676 # don't, removes xs symbols, too,
2784 # and global variables created in xs 3677 # and global variables created in xs
2785 #Symbol::delete_package __PACKAGE__; 3678 #clear_package __PACKAGE__;
2786 3679
2787 warn "unload completed, starting to reload now"; 3680 warn "unload completed, starting to reload now";
2788 3681
2789 warn "reloading cf.pm"; 3682 warn "reloading cf.pm";
2790 require cf; 3683 require cf;
2791 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3684 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792 3685
2793 warn "loading config and database again"; 3686 warn "loading config and database again";
2794 cf::cfg_load; 3687 cf::reload_config;
2795 3688
2796 warn "loading extensions"; 3689 warn "loading extensions";
2797 cf::load_extensions; 3690 cf::load_extensions;
2798 3691
3692 if ($REATTACH_ON_RELOAD) {
2799 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
2800 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
2801 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
2802 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
2803 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
2804 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
3699 }
2805 3700
3701 warn "running post_init jobs";
3702 (pop @POST_INIT)->(1) while @POST_INIT;
3703
2806 warn "leaving sync_job"; 3704 warn "leaving sync_job";
2807 3705
2808 1 3706 1
2809 } or do { 3707 } or do {
2810 warn $@; 3708 warn $@;
2811 warn "error while reloading, exiting."; 3709 cf::cleanup "error while reloading, exiting.";
2812 exit 1;
2813 }; 3710 };
2814 3711
2815 warn "reloaded"; 3712 warn "reloaded";
3713 --$RELOAD;
3714 }
3715
3716 $t1 = EV::time - $t1;
3717 warn "reload completed in ${t1}s\n";
2816}; 3718};
2817 3719
2818our $RELOAD_WATCHER; # used only during reload 3720our $RELOAD_WATCHER; # used only during reload
2819 3721
2820sub reload_perl() { 3722sub reload_perl() {
2821 # doing reload synchronously and two reloads happen back-to-back, 3723 # doing reload synchronously and two reloads happen back-to-back,
2822 # coro crashes during coro_state_free->destroy here. 3724 # coro crashes during coro_state_free->destroy here.
2823 3725
2824 $RELOAD_WATCHER ||= Event->timer ( 3726 $RELOAD_WATCHER ||= cf::async {
2825 reentrant => 0, 3727 Coro::AIO::aio_wait cache_extensions;
2826 after => 0, 3728
2827 data => WF_AUTOCANCEL, 3729 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2828 cb => sub {
2829 do_reload_perl; 3730 do_reload_perl;
2830 undef $RELOAD_WATCHER; 3731 undef $RELOAD_WATCHER;
2831 }, 3732 };
2832 ); 3733 };
2833} 3734}
2834 3735
2835register_command "reload" => sub { 3736register_command "reload" => sub {
2836 my ($who, $arg) = @_; 3737 my ($who, $arg) = @_;
2837 3738
2838 if ($who->flag (FLAG_WIZ)) { 3739 if ($who->flag (FLAG_WIZ)) {
2839 $who->message ("reloading server."); 3740 $who->message ("reloading server.");
3741 async {
3742 $Coro::current->{desc} = "perl_reload";
2840 async { reload_perl }; 3743 reload_perl;
3744 };
2841 } 3745 }
2842}; 3746};
2843 3747
2844unshift @INC, $LIBDIR; 3748unshift @INC, $LIBDIR;
2845 3749
… …
2847 3751
2848our @WAIT_FOR_TICK; 3752our @WAIT_FOR_TICK;
2849our @WAIT_FOR_TICK_BEGIN; 3753our @WAIT_FOR_TICK_BEGIN;
2850 3754
2851sub wait_for_tick { 3755sub wait_for_tick {
2852 return unless $TICK_WATCHER->is_active;
2853 return if $Coro::current == $Coro::main; 3756 return if tick_inhibit || $Coro::current == $Coro::main;
2854 3757
2855 my $signal = new Coro::Signal; 3758 my $signal = new Coro::Signal;
2856 push @WAIT_FOR_TICK, $signal; 3759 push @WAIT_FOR_TICK, $signal;
2857 $signal->wait; 3760 $signal->wait;
2858} 3761}
2859 3762
2860sub wait_for_tick_begin { 3763sub wait_for_tick_begin {
2861 return unless $TICK_WATCHER->is_active;
2862 return if $Coro::current == $Coro::main; 3764 return if tick_inhibit || $Coro::current == $Coro::main;
2863 3765
2864 my $signal = new Coro::Signal; 3766 my $signal = new Coro::Signal;
2865 push @WAIT_FOR_TICK_BEGIN, $signal; 3767 push @WAIT_FOR_TICK_BEGIN, $signal;
2866 $signal->wait; 3768 $signal->wait;
2867} 3769}
2868 3770
2869 my $min = 1e6;#d# 3771sub tick {
2870 my $avg = 10;
2871$TICK_WATCHER = Event->timer (
2872 reentrant => 0,
2873 parked => 1,
2874 prio => 0,
2875 at => $NEXT_TICK || $TICK,
2876 data => WF_AUTOCANCEL,
2877 cb => sub {
2878 if ($Coro::current != $Coro::main) { 3772 if ($Coro::current != $Coro::main) {
2879 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3773 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880 unless ++$bug_warning > 10; 3774 unless ++$bug_warning > 10;
2881 return; 3775 return;
2882 } 3776 }
2883 3777
2884 $NOW = $tick_start = Event::time;
2885
2886 cf::server_tick; # one server iteration 3778 cf::server_tick; # one server iteration
2887 3779
2888 0 && sync_job {#d# 3780 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 for(1..10) { 3781 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890 my $t = Event::time; 3782 Coro::async_pool {
2891 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3783 $Coro::current->{desc} = "runtime saver";
2892 or die; 3784 write_runtime_sync
2893 3785 or warn "ERROR: unable to write runtime file: $!";
2894 $map->width (50);
2895 $map->height (50);
2896 $map->alloc;
2897 $map->_load_objects ("/tmp/x.map", 1);
2898 my $t = Event::time - $t;
2899
2900 #next unless $t < 0.0013;#d#
2901 if ($t < $min) {
2902 $min = $t;
2903 }
2904 $avg = $avg * 0.99 + $t * 0.01;
2905 }
2906 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907 exit 0;
2908 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909 }; 3786 };
3787 }
2910 3788
2911 $RUNTIME += $TICK;
2912 $NEXT_TICK += $TICK;
2913
2914 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915 $NEXT_RUNTIME_WRITE = $NOW + 10;
2916 Coro::async_pool {
2917 write_runtime
2918 or warn "ERROR: unable to write runtime file: $!";
2919 };
2920 }
2921
2922# my $AFTER = Event::time;
2923# warn $AFTER - $NOW;#d#
2924
2925 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3789 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926 $sig->send; 3790 $sig->send;
2927 } 3791 }
2928 while (my $sig = shift @WAIT_FOR_TICK) { 3792 while (my $sig = shift @WAIT_FOR_TICK) {
2929 $sig->send; 3793 $sig->send;
2930 } 3794 }
2931 3795
2932 $NOW = Event::time; 3796 $LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934 # if we are delayed by four ticks or more, skip them all
2935 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937 $TICK_WATCHER->at ($NEXT_TICK);
2938 $TICK_WATCHER->start;
2939
2940 $LOAD = ($NOW - $tick_start) / $TICK;
2941 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3797 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942 3798
2943 _post_tick; 3799 if (0) {
2944 3800 if ($NEXT_TICK) {
2945 3801 my $jitter = $TICK_START - $NEXT_TICK;
3802 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3803 warn "jitter $JITTER\n";#d#
3804 }
2946 }, 3805 }
2947); 3806}
2948 3807
2949{ 3808{
2950 BDB::max_poll_time $TICK * 0.1; 3809 # configure BDB
2951 $BDB_POLL_WATCHER = Event->io ( 3810
2952 reentrant => 0,
2953 fd => BDB::poll_fileno,
2954 poll => 'r',
2955 prio => 0,
2956 data => WF_AUTOCANCEL,
2957 cb => \&BDB::poll_cb,
2958 );
2959 BDB::min_parallel 8; 3811 BDB::min_parallel 8;
2960 3812 BDB::max_poll_reqs $TICK * 0.1;
2961 BDB::set_sync_prepare { 3813 $AnyEvent::BDB::WATCHER->priority (1);
2962 my $status;
2963 my $current = $Coro::current;
2964 (
2965 sub {
2966 $status = $!;
2967 $current->ready; undef $current;
2968 },
2969 sub {
2970 Coro::schedule while defined $current;
2971 $! = $status;
2972 },
2973 )
2974 };
2975 3814
2976 unless ($DB_ENV) { 3815 unless ($DB_ENV) {
2977 $DB_ENV = BDB::db_env_create; 3816 $DB_ENV = BDB::db_env_create;
3817 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3818 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3819 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3820 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3821 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978 3822
2979 cf::sync_job { 3823 cf::sync_job {
2980 eval { 3824 eval {
2981 BDB::db_env_open 3825 BDB::db_env_open
2982 $DB_ENV, 3826 $DB_ENV,
… …
2984 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3828 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3829 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986 0666; 3830 0666;
2987 3831
2988 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3832 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991 $DB_ENV->set_lk_detect;
2992 }; 3833 };
2993 3834
2994 cf::cleanup "db_env_open(db): $@" if $@; 3835 cf::cleanup "db_env_open(db): $@" if $@;
2995 }; 3836 };
2996 } 3837 }
3838
3839 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3840 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3841 };
3842 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3843 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3844 };
3845 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3846 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3847 };
2997} 3848}
2998 3849
2999{ 3850{
3851 # configure IO::AIO
3852
3000 IO::AIO::min_parallel 8; 3853 IO::AIO::min_parallel 8;
3001
3002 undef $Coro::AIO::WATCHER;
3003 IO::AIO::max_poll_time $TICK * 0.1; 3854 IO::AIO::max_poll_time $TICK * 0.1;
3004 $AIO_POLL_WATCHER = Event->io ( 3855 undef $AnyEvent::AIO::WATCHER;
3005 reentrant => 0,
3006 data => WF_AUTOCANCEL,
3007 fd => IO::AIO::poll_fileno,
3008 poll => 'r',
3009 prio => 6,
3010 cb => \&IO::AIO::poll_cb,
3011 );
3012} 3856}
3013 3857
3014my $_log_backtrace; 3858my $_log_backtrace;
3015 3859
3016sub _log_backtrace { 3860sub _log_backtrace {
… …
3019 $msg =~ s/\n//; 3863 $msg =~ s/\n//;
3020 3864
3021 # limit the # of concurrent backtraces 3865 # limit the # of concurrent backtraces
3022 if ($_log_backtrace < 2) { 3866 if ($_log_backtrace < 2) {
3023 ++$_log_backtrace; 3867 ++$_log_backtrace;
3868 my $perl_bt = Carp::longmess $msg;
3024 async { 3869 async {
3870 $Coro::current->{desc} = "abt $msg";
3871
3025 my @bt = fork_call { 3872 my @bt = fork_call {
3026 @addr = map { sprintf "%x", $_ } @addr; 3873 @addr = map { sprintf "%x", $_ } @addr;
3027 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3874 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3875 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029 or die "addr2line: $!"; 3876 or die "addr2line: $!";
… …
3037 } 3884 }
3038 3885
3039 @funcs 3886 @funcs
3040 }; 3887 };
3041 3888
3042 LOG llevInfo, "[ABT] $msg\n"; 3889 LOG llevInfo, "[ABT] $perl_bt\n";
3890 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043 LOG llevInfo, "[ABT] $_\n" for @bt; 3891 LOG llevInfo, "[ABT] $_\n" for @bt;
3044 --$_log_backtrace; 3892 --$_log_backtrace;
3045 }; 3893 };
3046 } else { 3894 } else {
3047 LOG llevInfo, "[ABT] $msg\n"; 3895 LOG llevInfo, "[ABT] $msg\n";

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