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Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.516 by root, Thu Apr 15 06:05:52 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $OUTPUT_RATE_MIN = 4000;
114our $OUTPUT_RATE_MAX = 100000;
71 115
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 116our $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 117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 118our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 119our $USE_FSYNC = 1; # use fsync to write maps - default on
79 120
121our $BDB_DEADLOCK_WATCHER;
122our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 123our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 124our $DB_ENV;
125
126our @EXTRA_MODULES = qw(pod match mapscript);
82 127
83our %CFG; 128our %CFG;
84 129
85our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 131our $RUNTIME;
132our $NOW;
87 133
88our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
91 137
92# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 140
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 144our $TICK_START; # for load detecting purposes
145
146our @POST_INIT;
147
148our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
149our $REALLY_UNLOOP; # never set to true, please :)
98 150
99binmode STDOUT; 151binmode STDOUT;
100binmode STDERR; 152binmode STDERR;
101 153
102# read virtual server time, if available 154# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 156 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
107} 159}
160
161eval "sub TICK() { $TICK } 1" or die;
108 162
109mkdir $_ 163mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 165
112our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
113 167
114sub cf::map::normalise; 168sub cf::map::normalise;
169
170#############################################################################
171
172%REFLECT = ();
173for (@REFLECT) {
174 my $reflect = JSON::XS::decode_json $_;
175 $REFLECT{$reflect->{class}} = $reflect;
176}
177
178# this is decidedly evil
179$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 180
116############################################################################# 181#############################################################################
117 182
118=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
119 184
… …
155 220
156The raw value load value from the last tick. 221The raw value load value from the last tick.
157 222
158=item %cf::CFG 223=item %cf::CFG
159 224
160Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 226from wherever your confdir points to.
162 227
163=item cf::wait_for_tick, cf::wait_for_tick_begin 228=item cf::wait_for_tick, cf::wait_for_tick_begin
164 229
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 231returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
245
169=back 246=back
170 247
171=cut 248=cut
172 249
173BEGIN { 250$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 251 my $msg = join "", @_;
176 252
177 $msg .= "\n" 253 $msg .= "\n"
178 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
179 255
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 257
182 utf8::encode $msg;
183 LOG llevError, $msg; 258 LOG llevError, $msg;
184 }; 259};
185} 260
261$Coro::State::DIEHOOK = sub {
262 return unless $^S eq 0; # "eq", not "=="
263
264 warn Carp::longmess $_[0];
265
266 if ($Coro::current == $Coro::main) {#d#
267 warn "DIEHOOK called in main context, Coro bug?\n";#d#
268 return;#d#
269 }#d#
270
271 # kill coroutine otherwise
272 Coro::terminate
273};
186 274
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 285for my $pkg (qw(
198 cf::global cf::attachable 286 cf::global cf::attachable
199 cf::object cf::object::player 287 cf::object cf::object::player
200 cf::client cf::player 288 cf::client cf::player
201 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
202 cf::map cf::party cf::region 291 cf::party cf::region
203)) { 292)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 294}
207 295
208$Event::DIED = sub { 296$EV::DIED = sub {
209 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
210}; 298};
299
300#############################################################################
211 301
212=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
213 303
214=over 4 304=over 4
215 305
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 324 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 325 $d
236 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
237} 327}
238 328
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
242 330
243Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
244 332
245=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
246 334
247Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
248 336
337=cut
338
339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
340
341sub encode_json($) { $json_coder->encode ($_[0]) }
342sub decode_json($) { $json_coder->decode ($_[0]) }
343
344=item cf::post_init { BLOCK }
345
346Execute the given codeblock, I<after> all extensions have been (re-)loaded,
347but I<before> the server starts ticking again.
348
349The cdoeblock will have a single boolean argument to indicate whether this
350is a reload or not.
351
352=cut
353
354sub post_init(&) {
355 push @POST_INIT, shift;
356}
357
249=item cf::lock_wait $string 358=item cf::lock_wait $string
250 359
251Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
252 361
253=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
254 363
255Wait until the given lock is available and then acquires it and returns 364Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 365a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
258returned. 367returned.
259 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
260Lock names should begin with a unique identifier (for example, cf::map::find 372Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
262 374
263=item $locked = cf::lock_active $string 375=item $locked = cf::lock_active $string
264 376
265Return true if the lock is currently active, i.e. somebody has locked it. 377Return true if the lock is currently active, i.e. somebody has locked it.
266 378
267=cut 379=cut
268 380
269our %LOCK; 381our $LOCKS = new Coro::SemaphoreSet;
270 382
271sub lock_wait($) { 383sub lock_wait($) {
272 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 385}
280 386
281sub lock_acquire($) { 387sub lock_acquire($) {
282 my ($key) = @_; 388 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 389}
294 390
295sub lock_active($) { 391sub lock_active($) {
296 my ($key) = @_; 392 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 393}
300 394
301sub freeze_mainloop { 395sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
303 397
304 my $guard = Coro::guard { 398 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 399}
400
401=item cf::periodic $interval, $cb
402
403Like EV::periodic, but randomly selects a starting point so that the actions
404get spread over time.
405
406=cut
407
408sub periodic($$) {
409 my ($interval, $cb) = @_;
410
411 my $start = rand List::Util::min 180, $interval;
412
413 EV::periodic $start, $interval, 0, $cb
414}
415
416=item cf::get_slot $time[, $priority[, $name]]
417
418Allocate $time seconds of blocking CPU time at priority C<$priority>:
419This call blocks and returns only when you have at least C<$time> seconds
420of cpu time till the next tick. The slot is only valid till the next cede.
421
422The optional C<$name> can be used to identify the job to run. It might be
423used for statistical purposes and should identify the same time-class.
424
425Useful for short background jobs.
426
427=cut
428
429our @SLOT_QUEUE;
430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
432
433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
434$SLOT_QUEUE = Coro::async {
435 $Coro::current->desc ("timeslot manager");
436
437 my $signal = new Coro::Signal;
438 my $busy;
439
440 while () {
441 next_job:
442
443 my $avail = cf::till_tick;
444
445 for (0 .. $#SLOT_QUEUE) {
446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
448 my $job = splice @SLOT_QUEUE, $_, 1, ();
449 $job->[2]->send;
450 Coro::cede;
451 goto next_job;
452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
454 }
455 }
456
457 if (@SLOT_QUEUE) {
458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
459 push @cf::WAIT_FOR_TICK, $signal;
460 $signal->wait;
461 } else {
462 $busy = 0;
463 Coro::schedule;
464 }
306 }; 465 }
307 $TICK_WATCHER->stop; 466};
308 $guard 467
468sub get_slot($;$$) {
469 return if tick_inhibit || $Coro::current == $Coro::main;
470
471 my ($time, $pri, $name) = @_;
472
473 $time = clamp $time, 0.01, $TICK * .6;
474
475 my $sig = new Coro::Signal;
476
477 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
478 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
479 $SLOT_QUEUE->ready;
480 $sig->wait;
309} 481}
310 482
311=item cf::async { BLOCK } 483=item cf::async { BLOCK }
312 484
313Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
… …
318 490
319BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
320 492
321=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
322 494
323The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
326 499
327If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
330fast or be very important. 503fast or be very important.
… …
333 506
334sub sync_job(&) { 507sub sync_job(&) {
335 my ($job) = @_; 508 my ($job) = @_;
336 509
337 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 511 my $time = AE::time;
339 512
340 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
342 515
343 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 517
345 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
346 519
347 my $busy = 1; 520 my $busy = 1;
348 my @res; 521 my @res;
349 522
350 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 525 @res = eval { $job->() };
352 warn $@ if $@; 526 warn $@ if $@;
353 undef $busy; 527 undef $busy;
354 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
355 529
356 while ($busy) { 530 while ($busy) {
357 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
358 } 535 }
536 }
359 537
360 $time = Event::time - $time; 538 my $time = AE::time - $time;
361 539
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 540 $TICK_START += $time; # do not account sync jobs to server load
366 541
367 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
368 } else { 543 } else {
369 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
370 545
… …
390 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
391 566
392 $coro 567 $coro
393} 568}
394 569
395sub write_runtime { 570=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 571
398 # first touch the runtime file to show we are still running: 572Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 573process, returning the results. Everything must be serialisable with
574Coro::Storable. May, of course, block. Note that the executed sub may
575never block itself or use any form of event handling.
400 576
401 IO::AIO::aio_utime $runtime, undef, undef; 577=cut
402 578
403 my $guard = cf::lock_acquire "write_runtime"; 579sub fork_call(&@) {
580 my ($cb, @args) = @_;
404 581
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 582 # we seemingly have to make a local copy of the whole thing,
406 or return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
407 585
408 my $value = $cf::RUNTIME + 90 + 10; 586 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 587 reset_signals;
410 # 60 allows for the watchdog to kill the server. 588 &$cb
589 }, @args;
411 590
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 591 wantarray ? @res : $res[-1]
413 and return; 592}
414 593
415 # always fsync - this file is important 594sub objinfo {
416 aio_fsync $fh
417 and return;
418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
422 close $fh
423 or return;
424
425 aio_rename "$runtime~", $runtime
426 and return;
427
428 warn "runtime file written.\n";
429
430 1 595 (
596 "counter value" => cf::object::object_count,
597 "objects created" => cf::object::create_count,
598 "objects destroyed" => cf::object::destroy_count,
599 "freelist size" => cf::object::free_count,
600 "allocated objects" => cf::object::objects_size,
601 "active objects" => cf::object::actives_size,
602 )
603}
604
605=item $coin = coin_from_name $name
606
607=cut
608
609our %coin_alias = (
610 "silver" => "silvercoin",
611 "silvercoin" => "silvercoin",
612 "silvercoins" => "silvercoin",
613 "gold" => "goldcoin",
614 "goldcoin" => "goldcoin",
615 "goldcoins" => "goldcoin",
616 "platinum" => "platinacoin",
617 "platinumcoin" => "platinacoin",
618 "platinumcoins" => "platinacoin",
619 "platina" => "platinacoin",
620 "platinacoin" => "platinacoin",
621 "platinacoins" => "platinacoin",
622 "royalty" => "royalty",
623 "royalties" => "royalty",
624);
625
626sub coin_from_name($) {
627 $coin_alias{$_[0]}
628 ? cf::arch::find $coin_alias{$_[0]}
629 : undef
630}
631
632=item $value = cf::db_get $family => $key
633
634Returns a single value from the environment database.
635
636=item cf::db_put $family => $key => $value
637
638Stores the given C<$value> in the family. It can currently store binary
639data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
640
641=item $db = cf::db_table "name"
642
643Create and/or open a new database table. The string must not be "db" and must be unique
644within each server.
645
646=cut
647
648sub db_table($) {
649 my ($name) = @_;
650 my $db = BDB::db_create $DB_ENV;
651
652 eval {
653 $db->set_flags (BDB::CHKSUM);
654
655 utf8::encode $name;
656 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
657 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
658 cf::cleanup "db_open(db): $!" if $!;
659 };
660 cf::cleanup "db_open(db): $@" if $@;
661
662 $db
663}
664
665our $DB;
666
667sub db_init {
668 cf::sync_job {
669 $DB ||= db_table "db";
670 };
671}
672
673sub db_get($$) {
674 my $key = "$_[0]/$_[1]";
675
676 cf::sync_job {
677 BDB::db_get $DB, undef, $key, my $data;
678
679 $! ? ()
680 : $data
681 }
682}
683
684sub db_put($$$) {
685 BDB::dbreq_pri 4;
686 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
687}
688
689=item cf::cache $id => [$paths...], $processversion => $process
690
691Generic caching function that returns the value of the resource $id,
692caching and regenerating as required.
693
694This function can block.
695
696=cut
697
698sub cache {
699 my ($id, $src, $processversion, $process) = @_;
700
701 my $meta =
702 join "\x00",
703 $processversion,
704 map {
705 aio_stat $_
706 and Carp::croak "$_: $!";
707
708 ($_, (stat _)[7,9])
709 } @$src;
710
711 my $dbmeta = db_get cache => "$id/meta";
712 if ($dbmeta ne $meta) {
713 # changed, we may need to process
714
715 my @data;
716 my $md5;
717
718 for (0 .. $#$src) {
719 0 <= aio_load $src->[$_], $data[$_]
720 or Carp::croak "$src->[$_]: $!";
721 }
722
723 # if processing is expensive, check
724 # checksum first
725 if (1) {
726 $md5 =
727 join "\x00",
728 $processversion,
729 map {
730 cf::cede_to_tick;
731 ($src->[$_], Digest::MD5::md5_hex $data[$_])
732 } 0.. $#$src;
733
734
735 my $dbmd5 = db_get cache => "$id/md5";
736 if ($dbmd5 eq $md5) {
737 db_put cache => "$id/meta", $meta;
738
739 return db_get cache => "$id/data";
740 }
741 }
742
743 my $t1 = Time::HiRes::time;
744 my $data = $process->(\@data);
745 my $t2 = Time::HiRes::time;
746
747 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
748
749 db_put cache => "$id/data", $data;
750 db_put cache => "$id/md5" , $md5;
751 db_put cache => "$id/meta", $meta;
752
753 return $data;
754 }
755
756 db_get cache => "$id/data"
431} 757}
432 758
433=item cf::datalog type => key => value, ... 759=item cf::datalog type => key => value, ...
434 760
435Log a datalog packet of the given type with the given key-value pairs. 761Log a datalog packet of the given type with the given key-value pairs.
… …
447 773
448############################################################################# 774#############################################################################
449 775
450=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
451 777
452Many objects in crossfire are so-called attachable objects. That means you can 778Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
455 781
456In the following description, CLASS can be any of C<global>, C<object> 782In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 783C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 784Deliantra).
459 785
460=over 4 786=over 4
461 787
462=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
463 789
… …
507=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
508 834
509Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
511 837
512Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 839that are attached at load/instantiate time, thus the need for a name.
514 840
515These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
516 842
517=over 4 843=over 4
… …
715 "; 1041 ";
716 die if $@; 1042 die if $@;
717} 1043}
718 1044
719our $override; 1045our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1046our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1047
722sub override { 1048sub override {
723 $override = 1; 1049 $override = 1;
724 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
725} 1051}
726 1052
727sub do_invoke { 1053sub do_invoke {
728 my $event = shift; 1054 my $event = shift;
729 my $callbacks = shift; 1055 my $callbacks = shift;
730 1056
731 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
732 1058
733 local $override; 1059 local $override;
734 1060
735 for (@$callbacks) { 1061 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
745 } 1071 }
746 1072
747 0 1073 0
748} 1074}
749 1075
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1077
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1079
754Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
755 1081
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1082This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1083removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1085
760=back 1086=back
761 1087
762=cut 1088=cut
763 1089
764############################################################################# 1090#############################################################################
765# object support 1091# object support
1092
1093sub _object_equal($$);
1094sub _object_equal($$) {
1095 my ($a, $b) = @_;
1096
1097 return 0 unless (ref $a) eq (ref $b);
1098
1099 if ("HASH" eq ref $a) {
1100 my @ka = keys %$a;
1101 my @kb = keys %$b;
1102
1103 return 0 if @ka != @kb;
1104
1105 for (0 .. $#ka) {
1106 return 0 unless $ka[$_] eq $kb[$_];
1107 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1108 }
1109
1110 } elsif ("ARRAY" eq ref $a) {
1111
1112 return 0 if @$a != @$b;
1113
1114 for (0 .. $#$a) {
1115 return 0 unless _object_equal $a->[$_], $b->[$_];
1116 }
1117
1118 } elsif ($a ne $b) {
1119 return 0;
1120 }
1121
1122 1
1123}
1124
1125our $SLOW_MERGES;#d#
1126sub _can_merge {
1127 my ($ob1, $ob2) = @_;
1128
1129 ++$SLOW_MERGES;#d#
1130
1131 # we do the slow way here
1132 return _object_equal $ob1, $ob2
1133}
766 1134
767sub reattach { 1135sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1137 my ($obj) = @_;
770 1138
1139 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1141
773 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
774 1143
775 @$registry = (); 1144 @$registry = ();
776 1145
… …
791cf::attachable->attach ( 1160cf::attachable->attach (
792 prio => -1000000, 1161 prio => -1000000,
793 on_instantiate => sub { 1162 on_instantiate => sub {
794 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
795 1164
796 $data = from_json $data; 1165 $data = decode_json $data;
797 1166
798 for (@$data) { 1167 for (@$data) {
799 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
800 1169
801 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1186sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
819 1188
820 sync_job { 1189 sync_job {
821 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
824 1194
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1197 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1198 if ($cf::USE_FSYNC) {
1199 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1200 aio_fsync $fh;
1201 }
829 close $fh; 1202 aio_close $fh;
830 1203
831 if (@$objs) { 1204 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1205 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1208 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1209 if ($cf::USE_FSYNC) {
1210 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1211 aio_fsync $fh;
1212 }
837 close $fh; 1213 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
839 } 1215 }
840 } else { 1216 } else {
841 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
842 } 1218 }
843 1219
844 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1224 } else {
846 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
847 } 1226 }
848 } else { 1227 } else {
849 aio_unlink $filename; 1228 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
851 } 1230 }
852 } 1231 };
853} 1232}
854 1233
855sub object_freezer_as_string { 1234sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
857 1236
… …
869 or return; 1248 or return;
870 1249
871 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
873 or return; 1252 or return;
1253
874 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
875 } 1256 }
876 1257
1258 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1260 $decname, length $data, scalar @{$av || []};
1261
879 return ($data, $av); 1262 ($data, $av)
880} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
881 1270
882############################################################################# 1271#############################################################################
883# command handling &c 1272# command handling &c
884 1273
885=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1288}
900 1289
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1291
903Register a callbackf ro execution when the client sends an extcmd packet. 1292Register a callback for execution when the client sends an (synchronous)
1293extcmd packet. Ext commands will be processed in the order they are
1294received by the server, like other user commands. The first argument is
1295the logged-in player. Ext commands can only be processed after a player
1296has logged in successfully.
904 1297
905If the callback returns something, it is sent back as if reply was being 1298If the callback returns something, it is sent back as if reply was being
906called. 1299called.
907 1300
1301=item cf::register_exticmd $name => \&callback($ns,$packet);
1302
1303Register a callback for execution when the client sends an (asynchronous)
1304exticmd packet. Exti commands are processed by the server as soon as they
1305are received, i.e. out of order w.r.t. other commands. The first argument
1306is a client socket. Exti commands can be received anytime, even before
1307log-in.
1308
1309If the callback returns something, it is sent back as if reply was being
1310called.
1311
908=cut 1312=cut
909 1313
910sub register_extcmd { 1314sub register_extcmd {
911 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
912 1316
913 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
914} 1318}
915 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
916cf::player->attach ( 1328cf::player->attach (
917 on_command => sub { 1329 on_unknown_command => sub {
918 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
919 1331
920 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
921 or return; 1333 or return;
922 1334
… …
927 cf::override; 1339 cf::override;
928 }, 1340 },
929 on_extcmd => sub { 1341 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
931 1343
932 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1345
934 if (ref $msg) { 1346 if (ref $msg) {
1347 my ($type, $reply, @payload) =
1348 "ARRAY" eq ref $msg
1349 ? @$msg
1350 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1351
1352 my @reply;
1353
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
940 } else { 1361 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1363 }
943 1364
944 cf::override; 1365 cf::override;
945 }, 1366 },
946); 1367);
1368
1369# "readahead" all extensions
1370sub cache_extensions {
1371 my $grp = IO::AIO::aio_group;
1372
1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1374 for (grep /\.ext$/, @{$_[0]}) {
1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1376 }
1377 };
1378
1379 $grp
1380}
947 1381
948sub load_extensions { 1382sub load_extensions {
949 cf::sync_job { 1383 cf::sync_job {
950 my %todo; 1384 my %todo;
951 1385
… …
971 1405
972 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1406 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1407 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1408
975 $ext{source} = 1409 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1410 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1411 . "#line 1 \"$path\"\n{\n"
978 . $source 1412 . $source
979 . "\n};\n1"; 1413 . "\n};\n1";
980 1414
981 $todo{$base} = \%ext; 1415 $todo{$base} = \%ext;
982 } 1416 }
983 1417
1418 my $pass = 0;
984 my %done; 1419 my %done;
985 while (%todo) { 1420 while (%todo) {
986 my $progress; 1421 my $progress;
987 1422
1423 ++$pass;
1424
1425 ext:
988 while (my ($k, $v) = each %todo) { 1426 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $v->{meta}{depends}) { 1427 for (split /,\s*/, $v->{meta}{depends}) {
990 goto skip 1428 next ext
991 unless exists $done{$_}; 1429 unless exists $done{$_};
992 } 1430 }
993 1431
994 warn "... loading '$k' into '$v->{pkg}'\n"; 1432 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995 1433
996 unless (eval $v->{source}) { 1434 my $active = eval $v->{source};
1435
1436 if (length $@) {
997 my $msg = $@ ? "$v->{path}: $@\n" 1437 warn "$v->{path}: $@\n";
998 : "$v->{base}: extension inactive.\n";
999 1438
1439 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000 if (exists $v->{meta}{mandatory}) { 1440 if exists $v->{meta}{mandatory};
1001 warn $msg; 1441 } else {
1002 warn "mandatory extension failed to load, exiting.\n"; 1442 $done{$k} = delete $todo{$k};
1003 exit 1; 1443 push @EXTS, $v->{pkg};
1004 } 1444 $progress = 1;
1005 1445
1006 warn $msg; 1446 warn "$v->{base}: extension inactive.\n"
1447 unless $active;
1007 } 1448 }
1008
1009 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg};
1011 $progress = 1;
1012 } 1449 }
1013 1450
1014 skip: 1451 unless ($progress) {
1015 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1452 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016 unless $progress; 1453
1454 while (my ($k, $v) = each %todo) {
1455 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1456 if exists $v->{meta}{mandatory};
1457 }
1458 }
1017 } 1459 }
1018 }; 1460 };
1019} 1461}
1020 1462
1021############################################################################# 1463#############################################################################
1022 1464
1465=back
1466
1023=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
1024 1468
1025Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
1026 1470
1027=cut 1471=cut
1028 1472
1029package cf::player; 1473package cf::player;
1030 1474
1031use Coro::AIO; 1475use Coro::AIO;
1032 1476
1033=head3 cf::player 1477=head3 cf::player
1034 1478
1035=over 4 1479=over 4
1480
1481=item cf::player::num_playing
1482
1483Returns the official number of playing players, as per the Crossfire metaserver rules.
1484
1485=cut
1486
1487sub num_playing {
1488 scalar grep
1489 $_->ob->map
1490 && !$_->hidden
1491 && !$_->ob->flag (cf::FLAG_WIZ),
1492 cf::player::list
1493}
1036 1494
1037=item cf::player::find $login 1495=item cf::player::find $login
1038 1496
1039Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
1040 1498
… …
1059 1517
1060sub exists($) { 1518sub exists($) {
1061 my ($login) = @_; 1519 my ($login) = @_;
1062 1520
1063 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
1064 or cf::sync_job { !aio_stat path $login } 1522 or !aio_stat path $login
1065} 1523}
1066 1524
1067sub find($) { 1525sub find($) {
1068 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
1069 my $login = $_[0]; 1527 my $login = $_[0];
… …
1076 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1534 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1535 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1536 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079 aio_unlink +(playerdir $login) . "/$login.pl"; 1537 aio_unlink +(playerdir $login) . "/$login.pl";
1080 1538
1081 my $pl = load_pl path $login 1539 my $f = new_from_file cf::object::thawer path $login
1082 or return; 1540 or return;
1541
1542 my $pl = cf::player::load_pl $f
1543 or return;
1544
1545 local $cf::PLAYER_LOADING{$login} = $pl;
1546 $f->resolve_delayed_derefs;
1083 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
1084 } 1548 }
1085 } 1549 }
1086} 1550}
1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($pl, $path) = @_;
1555
1556 # restore slots saved in save, below
1557 my $slots = delete $pl->{_slots};
1558
1559 $pl->ob->current_weapon ($slots->[0]);
1560 $pl->combat_ob ($slots->[1]);
1561 $pl->ranged_ob ($slots->[2]);
1562 },
1563);
1087 1564
1088sub save($) { 1565sub save($) {
1089 my ($pl) = @_; 1566 my ($pl) = @_;
1090 1567
1091 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
1096 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
1097 1574
1098 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
1099 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
1100 1577
1578 cf::get_slot 0.01;
1579
1580 # save slots, to be restored later
1581 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1582
1101 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
1102 Coro::cede; 1584 cf::cede_to_tick;
1103} 1585}
1104 1586
1105sub new($) { 1587sub new($) {
1106 my ($login) = @_; 1588 my ($login) = @_;
1107 1589
… …
1113 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1114 1596
1115 $self 1597 $self
1116} 1598}
1117 1599
1600=item $player->send_msg ($channel, $msg, $color, [extra...])
1601
1602=cut
1603
1604sub send_msg {
1605 my $ns = shift->ns
1606 or return;
1607 $ns->send_msg (@_);
1608}
1609
1118=item $pl->quit_character 1610=item $pl->quit_character
1119 1611
1120Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1121be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1122 1614
… …
1126 my ($pl) = @_; 1618 my ($pl) = @_;
1127 1619
1128 my $name = $pl->ob->name; 1620 my $name = $pl->ob->name;
1129 1621
1130 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1131 $pl->password ("*"); # this should lock out the player until we nuked the dir 1623 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1132 1624
1133 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1135 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1136 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1137 1631
1138 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1139 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1175 or return []; 1669 or return [];
1176 1670
1177 my @logins; 1671 my @logins;
1178 1672
1179 for my $login (@$dirs) { 1673 for my $login (@$dirs) {
1674 my $path = path $login;
1675
1676 # a .pst is a dead give-away for a valid player
1677 # if no pst file found, open and chekc for blocked users
1678 if (aio_stat "$path.pst") {
1180 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1182 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1183 1683
1184 utf8::decode $login; 1684 utf8::decode $login;
1185 push @logins, $login; 1685 push @logins, $login;
1186 } 1686 }
1187 1687
… …
1214 } 1714 }
1215 1715
1216 \@paths 1716 \@paths
1217} 1717}
1218 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1219=item $player->ext_reply ($msgid, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1220 1724
1221Sends an ext reply to the player. 1725Sends an ext reply to the player.
1222 1726
1223=cut 1727=cut
1224 1728
1225sub ext_reply($$%) { 1729sub ext_reply($$@) {
1226 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1227 1731
1228 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1229
1230 $self->send ("ext " . cf::to_json \%msg);
1231} 1733}
1232 1734
1233=item $player->ext_event ($type, %msg) 1735=item $player->ext_msg ($type, @msg)
1234 1736
1235Sends an ext event to the client. 1737Sends an ext event to the client.
1236 1738
1237=cut 1739=cut
1238 1740
1239sub ext_event($$%) { 1741sub ext_msg($$@) {
1240 my ($self, $type, %msg) = @_; 1742 my ($self, $type, @msg) = @_;
1241 1743
1242 $self->ns->ext_event ($type, %msg); 1744 $self->ns->ext_msg ($type, @msg);
1243} 1745}
1244 1746
1245=head3 cf::region 1747=head3 cf::region
1246 1748
1247=over 4 1749=over 4
… …
1250 1752
1251package cf::region; 1753package cf::region;
1252 1754
1253=item cf::region::find_by_path $path 1755=item cf::region::find_by_path $path
1254 1756
1255Tries to decuce the probable region for a map knowing only its path. 1757Tries to decuce the likely region for a map knowing only its path.
1256 1758
1257=cut 1759=cut
1258 1760
1259sub find_by_path($) { 1761sub find_by_path($) {
1260 my ($path) = @_; 1762 my ($path) = @_;
1261 1763
1262 my ($match, $specificity); 1764 my ($match, $specificity);
1263 1765
1264 for my $region (list) { 1766 for my $region (list) {
1265 if ($region->match && $path =~ $region->match) { 1767 if ($region->{match} && $path =~ $region->{match}) {
1266 ($match, $specificity) = ($region, $region->specificity) 1768 ($match, $specificity) = ($region, $region->specificity)
1267 if $region->specificity > $specificity; 1769 if $region->specificity > $specificity;
1268 } 1770 }
1269 } 1771 }
1270 1772
… …
1291our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1292our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1293 1795
1294sub generate_random_map { 1796sub generate_random_map {
1295 my ($self, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1800
1296 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1297 $self->_create_random_map ( 1802 $self->_create_random_map (
1298 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1300 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1302 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1303 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1390 $self->init; # pass $1 etc. 1895 $self->init; # pass $1 etc.
1391 return $self; 1896 return $self;
1392 } 1897 }
1393 } 1898 }
1394 1899
1395 Carp::carp "unable to resolve path '$path' (base '$base')."; 1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1396 () 1901 ()
1397} 1902}
1398 1903
1399sub init { 1904sub init {
1400 my ($self) = @_; 1905 my ($self) = @_;
… …
1422 1927
1423# the temporary/swap location 1928# the temporary/swap location
1424sub save_path { 1929sub save_path {
1425 my ($self) = @_; 1930 my ($self) = @_;
1426 1931
1427 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428 "$TMPDIR/$path.map" 1933 "$TMPDIR/$path.map"
1429} 1934}
1430 1935
1431# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1432sub uniq_path { 1937sub uniq_path {
1433 my ($self) = @_; 1938 my ($self) = @_;
1434 1939
1435 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436 "$UNIQUEDIR/$path" 1941 "$UNIQUEDIR/$path"
1437}
1438
1439# and all this just because we cannot iterate over
1440# all maps in C++...
1441sub change_all_map_light {
1442 my ($change) = @_;
1443
1444 $_->change_map_light ($change)
1445 for grep $_->outdoor, values %cf::MAP;
1446} 1942}
1447 1943
1448sub decay_objects { 1944sub decay_objects {
1449 my ($self) = @_; 1945 my ($self) = @_;
1450 1946
… …
1463 1959
1464sub load_header_from($) { 1960sub load_header_from($) {
1465 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1466 1962
1467 utf8::encode $path; 1963 utf8::encode $path;
1468 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1469 # or return;
1470
1471 $self->_load_header ($path)
1472 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1473 1972
1474 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1475 1974
1476 1 1975 1
1477} 1976}
… …
1531sub find { 2030sub find {
1532 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1533 2032
1534 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1535 2034
2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1537 2037
1538 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1539 my $guard = cf::lock_acquire "map_find:$path";
1540 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1541 or return; 2040 or return;
1542 2041
1543 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1544 2043
… …
1546 or return; 2045 or return;
1547 2046
1548 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1550 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1551 $map->reset; 2052 $map->reset;
1552 undef $guard;
1553 return find $path; 2053 return find $path;
1554 } 2054 }
1555 2055
1556 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1557 } 2057 }
1558} 2058}
1559 2059
1560sub pre_load { } 2060sub pre_load { }
1561sub post_load { } 2061#sub post_load { } # XS
1562 2062
1563sub load { 2063sub load {
1564 my ($self) = @_; 2064 my ($self) = @_;
1565 2065
1566 local $self->{deny_reset} = 1; # loading can take a long time 2066 local $self->{deny_reset} = 1; # loading can take a long time
1567 2067
1568 my $path = $self->{path}; 2068 my $path = $self->{path};
1569 2069
1570 { 2070 {
1571 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1572 2072
2073 return unless $self->valid;
1573 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1574 2075
1575 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1576 2077
1577 $self->alloc; 2078 $self->alloc;
1578 2079
1579 $self->pre_load; 2080 $self->pre_load;
1580 Coro::cede; 2081 cf::cede_to_tick;
1581 2082
2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
1582 $self->_load_objects ($self->{load_path}, 1) 2085 $self->_load_objects ($f)
1583 or return; 2086 or return;
1584 2087
1585 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1586 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1587 2090
1588 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1589 utf8::encode $uniq; 2092 utf8::encode $uniq;
1590 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1591 $self->clear_unique_items; 2095 $self->clear_unique_items;
1592 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1593 } 2099 }
1594 } 2100 }
1595 2101
1596 Coro::cede; 2102 $f->resolve_delayed_derefs;
2103
2104 cf::cede_to_tick;
1597 # now do the right thing for maps 2105 # now do the right thing for maps
1598 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1599 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1600 unless $self->difficulty; 2108 unless $self->difficulty;
1601 Coro::cede; 2109 cf::cede_to_tick;
1602 2110
1603 unless ($self->{deny_activate}) { 2111 unless ($self->{deny_activate}) {
1604 $self->decay_objects; 2112 $self->decay_objects;
1605 $self->fix_auto_apply; 2113 $self->fix_auto_apply;
1606 $self->update_buttons; 2114 $self->update_buttons;
1607 Coro::cede; 2115 cf::cede_to_tick;
1608 $self->set_darkness_map;
1609 Coro::cede;
1610 $self->activate; 2116 $self->activate;
1611 } 2117 }
1612 2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
1613 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1614 } 2123 }
1615 2124
1616 $self->post_load; 2125 $self->post_load;
1617} 2126}
1618 2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
1619sub customise_for { 2131sub customise_for {
1620 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
1621 2133
1622 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
1623 if $self->per_player; 2135 if $self->per_player;
… …
1627 2139
1628 $self 2140 $self
1629} 2141}
1630 2142
1631# find and load all maps in the 3x3 area around a map 2143# find and load all maps in the 3x3 area around a map
1632sub load_diag { 2144sub load_neighbours {
1633 my ($map) = @_; 2145 my ($map) = @_;
1634 2146
1635 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1636 2148
1637 for (0 .. 3) { 2149 for (0 .. 3) {
1638 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1639 or next; 2151 or next;
1640 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1641 or next; 2153 or next;
1642 $neigh->load; 2154 $neigh->load;
1643 2155
2156 push @neigh,
1644 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1646 } 2159 }
1647 2160
1648 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1649 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1650 or next; 2164 or next;
1651 $neigh->load; 2165 $neigh->load;
1652 } 2166 }
1653} 2167}
1654 2168
… …
1659} 2173}
1660 2174
1661sub do_load_sync { 2175sub do_load_sync {
1662 my ($map) = @_; 2176 my ($map) = @_;
1663 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1664 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1665} 2182}
1666 2183
1667our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
1668our $MAP_PREFETCHER = undef; 2185our $MAP_PREFETCHER = undef;
1669 2186
1670sub find_async { 2187sub find_async {
1671 my ($path, $origin) = @_; 2188 my ($path, $origin, $load) = @_;
1672 2189
1673 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
1674 2191
1675 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
1676 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677 } 2194 }
1678 2195
1679 undef $MAP_PREFETCH{$path}; 2196 $MAP_PREFETCH{$path} |= $load;
2197
1680 $MAP_PREFETCHER ||= cf::async { 2198 $MAP_PREFETCHER ||= cf::async {
2199 $Coro::current->{desc} = "map prefetcher";
2200
1681 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1682 for my $path (keys %MAP_PREFETCH) { 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1683 my $map = find $path 2203 if (my $map = find $k) {
1684 or next;
1685 $map->load; 2204 $map->load if $v;
2205 }
1686 2206
1687 delete $MAP_PREFETCH{$path}; 2207 delete $MAP_PREFETCH{$k};
1688 } 2208 }
1689 } 2209 }
1690 undef $MAP_PREFETCHER; 2210 undef $MAP_PREFETCHER;
1691 }; 2211 };
1692 $MAP_PREFETCHER->prio (6); 2212 $MAP_PREFETCHER->prio (6);
… …
1695} 2215}
1696 2216
1697sub save { 2217sub save {
1698 my ($self) = @_; 2218 my ($self) = @_;
1699 2219
1700 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1701 2221
1702 $self->{last_save} = $cf::RUNTIME; 2222 $self->{last_save} = $cf::RUNTIME;
1703 2223
1704 return unless $self->dirty; 2224 return unless $self->dirty;
1705 2225
… …
1711 return if $self->{deny_save}; 2231 return if $self->{deny_save};
1712 2232
1713 local $self->{last_access} = $self->last_access;#d# 2233 local $self->{last_access} = $self->last_access;#d#
1714 2234
1715 cf::async { 2235 cf::async {
2236 $Coro::current->{desc} = "map player save";
1716 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
1717 }; 2238 };
2239
2240 cf::get_slot 0.02;
1718 2241
1719 if ($uniq) { 2242 if ($uniq) {
1720 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1722 } else { 2245 } else {
… …
1728 my ($self) = @_; 2251 my ($self) = @_;
1729 2252
1730 # save first because save cedes 2253 # save first because save cedes
1731 $self->save; 2254 $self->save;
1732 2255
1733 my $lock = cf::lock_acquire "map_data:" . $self->path; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
1734 2257
1735 return if $self->players; 2258 return if $self->players;
1736 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
1737 return if $self->{deny_save}; 2260 return if $self->{deny_save};
1738 2261
2262 $self->in_memory (cf::MAP_SWAPPED);
2263
2264 $self->deactivate;
2265 $_->clear_links_to ($self) for values %cf::MAP;
1739 $self->clear; 2266 $self->clear;
1740 $self->in_memory (cf::MAP_SWAPPED);
1741} 2267}
1742 2268
1743sub reset_at { 2269sub reset_at {
1744 my ($self) = @_; 2270 my ($self) = @_;
1745 2271
… …
1763 2289
1764 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
1765 2291
1766 return if $self->players; 2292 return if $self->players;
1767 2293
1768 warn "resetting map ", $self->path; 2294 warn "resetting map ", $self->path, "\n";
1769 2295
1770 $self->in_memory (cf::MAP_SWAPPED); 2296 $self->in_memory (cf::MAP_SWAPPED);
1771 2297
1772 # need to save uniques path 2298 # need to save uniques path
1773 unless ($self->{deny_save}) { 2299 unless ($self->{deny_save}) {
… …
1777 if $uniq; 2303 if $uniq;
1778 } 2304 }
1779 2305
1780 delete $cf::MAP{$self->path}; 2306 delete $cf::MAP{$self->path};
1781 2307
2308 $self->deactivate;
2309 $_->clear_links_to ($self) for values %cf::MAP;
1782 $self->clear; 2310 $self->clear;
1783
1784 $_->clear_links_to ($self) for values %cf::MAP;
1785 2311
1786 $self->unlink_save; 2312 $self->unlink_save;
1787 $self->destroy; 2313 $self->destroy;
1788} 2314}
1789 2315
1790my $nuke_counter = "aaaa"; 2316my $nuke_counter = "aaaa";
1791 2317
1792sub nuke { 2318sub nuke {
1793 my ($self) = @_; 2319 my ($self) = @_;
1794 2320
2321 {
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
1795 delete $cf::MAP{$self->path}; 2324 delete $cf::MAP{$self->path};
1796 2325
1797 $self->unlink_save; 2326 $self->unlink_save;
1798 2327
1799 bless $self, "cf::map"; 2328 bless $self, "cf::map";
1800 delete $self->{deny_reset}; 2329 delete $self->{deny_reset};
1801 $self->{deny_save} = 1; 2330 $self->{deny_save} = 1;
1802 $self->reset_timeout (1); 2331 $self->reset_timeout (1);
1803 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2332 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804 2333
1805 $cf::MAP{$self->path} = $self; 2334 $cf::MAP{$self->path} = $self;
2335 }
1806 2336
1807 $self->reset; # polite request, might not happen 2337 $self->reset; # polite request, might not happen
1808} 2338}
1809 2339
1810=item $maps = cf::map::tmp_maps 2340=item $maps = cf::map::tmp_maps
… …
1852 2382
1853sub unique_maps() { 2383sub unique_maps() {
1854 [ 2384 [
1855 map { 2385 map {
1856 utf8::decode $_; 2386 utf8::decode $_;
1857 /\.map$/ 2387 s/\.map$//; # TODO future compatibility hack
2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2389 ? ()
1858 ? normalise $_ 2390 : normalise $_
1859 : ()
1860 } @{ aio_readdir $UNIQUEDIR or [] } 2391 } @{ aio_readdir $UNIQUEDIR or [] }
1861 ] 2392 ]
1862} 2393}
1863 2394
1864package cf; 2395=item cf::map::static_maps
2396
2397Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2398file in the shared directory excluding F</styles> and F</editor>). May
2399block.
2400
2401=cut
2402
2403sub static_maps() {
2404 my @dirs = "";
2405 my @maps;
2406
2407 while (@dirs) {
2408 my $dir = shift @dirs;
2409
2410 next if $dir eq "/styles" || $dir eq "/editor";
2411
2412 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2413 or return;
2414
2415 for (@$files) {
2416 s/\.map$// or next;
2417 utf8::decode $_;
2418 push @maps, "$dir/$_";
2419 }
2420
2421 push @dirs, map "$dir/$_", @$dirs;
2422 }
2423
2424 \@maps
2425}
1865 2426
1866=back 2427=back
1867 2428
1868=head3 cf::object 2429=head3 cf::object
1869 2430
… …
1873 2434
1874=over 4 2435=over 4
1875 2436
1876=item $ob->inv_recursive 2437=item $ob->inv_recursive
1877 2438
1878Returns the inventory of the object _and_ their inventories, recursively. 2439Returns the inventory of the object I<and> their inventories, recursively,
2440but I<not> the object itself.
1879 2441
1880=cut 2442=cut
1881 2443
1882sub inv_recursive_; 2444sub inv_recursive_;
1883sub inv_recursive_ { 2445sub inv_recursive_ {
… …
1886 2448
1887sub inv_recursive { 2449sub inv_recursive {
1888 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
1889} 2451}
1890 2452
2453=item $ref = $ob->ref
2454
2455Creates and returns a persistent reference to an object that can be stored as a string.
2456
2457=item $ob = cf::object::deref ($refstring)
2458
2459returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2460even if the object actually exists. May block.
2461
2462=cut
2463
2464sub deref {
2465 my ($ref) = @_;
2466
2467 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2468 my ($uuid, $name) = ($1, $2);
2469 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2470 or return;
2471 $pl->ob->uuid eq $uuid
2472 or return;
2473
2474 $pl->ob
2475 } else {
2476 warn "$ref: cannot resolve object reference\n";
2477 undef
2478 }
2479}
2480
1891package cf; 2481package cf;
1892 2482
1893=back 2483=back
1894 2484
1895=head3 cf::object::player 2485=head3 cf::object::player
… …
1901Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2491Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902can be C<undef>. Does the right thing when the player is currently in a 2492can be C<undef>. Does the right thing when the player is currently in a
1903dialogue with the given NPC character. 2493dialogue with the given NPC character.
1904 2494
1905=cut 2495=cut
2496
2497our $SAY_CHANNEL = {
2498 id => "say",
2499 title => "Map",
2500 reply => "say ",
2501 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2502};
2503
2504our $CHAT_CHANNEL = {
2505 id => "chat",
2506 title => "Chat",
2507 reply => "chat ",
2508 tooltip => "Player chat and shouts, global to the server.",
2509};
1906 2510
1907# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
1908# with dialog boxes. 2512# with dialog boxes.
1909#TODO: the first argument must go, split into a $npc->reply_to ( method 2513#TODO: the first argument must go, split into a $npc->reply_to ( method
1910sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
… …
1912 2516
1913 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2517 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914 2518
1915 if ($self->{record_replies}) { 2519 if ($self->{record_replies}) {
1916 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2520 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2521
1917 } else { 2522 } else {
2523 my $pl = $self->contr;
2524
2525 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2526 my $dialog = $pl->{npc_dialog};
2527 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2528
2529 } else {
1918 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
1919 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2532 }
1920 } 2533 }
2534}
2535
2536=item $object->send_msg ($channel, $msg, $color, [extra...])
2537
2538=cut
2539
2540sub cf::object::send_msg {
2541 my $pl = shift->contr
2542 or return;
2543 $pl->send_msg (@_);
1921} 2544}
1922 2545
1923=item $player_object->may ("access") 2546=item $player_object->may ("access")
1924 2547
1925Returns wether the given player is authorized to access resource "access" 2548Returns wether the given player is authorized to access resource "access"
… …
1938 2561
1939=item $player_object->enter_link 2562=item $player_object->enter_link
1940 2563
1941Freezes the player and moves him/her to a special map (C<{link}>). 2564Freezes the player and moves him/her to a special map (C<{link}>).
1942 2565
1943The player should be reasonably safe there for short amounts of time. You 2566The player should be reasonably safe there for short amounts of time (e.g.
1944I<MUST> call C<leave_link> as soon as possible, though. 2567for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2568though, as the palyer cannot control the character while it is on the link
2569map.
1945 2570
1946Will never block. 2571Will never block.
1947 2572
1948=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
1949 2574
… …
2001 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
2002 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
2003 2628
2004 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
2005 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
2006 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
2007 2632
2008 $map->load; 2633 $map->load;
2009 $map->load_diag; 2634 $map->load_neighbours;
2010 2635
2011 return unless $self->contr->active; 2636 return unless $self->contr->active;
2012 $self->activate_recursive;
2013 2637
2014 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2638 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015 $self->enter_map ($map, $x, $y); 2639 $self->enter_map ($map, $x, $y);
2016}
2017 2640
2641 # only activate afterwards, to support waiting in hooks
2642 $self->activate_recursive;
2643}
2644
2018=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019 2646
2020Moves the player to the given map-path and coordinates by first freezing 2647Moves the player to the given map-path and coordinates by first freezing
2021her, loading and preparing them map, calling the provided $check callback 2648her, loading and preparing them map, calling the provided $check callback
2022that has to return the map if sucecssful, and then unfreezes the player on 2649that has to return the map if sucecssful, and then unfreezes the player on
2023the new (success) or old (failed) map position. 2650the new (success) or old (failed) map position. In either case, $done will
2651be called at the end of this process.
2652
2653Note that $check will be called with a potentially non-loaded map, so if
2654it needs a loaded map it has to call C<< ->load >>.
2024 2655
2025=cut 2656=cut
2026 2657
2027our $GOTOGEN; 2658our $GOTOGEN;
2028 2659
2029sub cf::object::player::goto { 2660sub cf::object::player::goto {
2030 my ($self, $path, $x, $y, $check) = @_; 2661 my ($self, $path, $x, $y, $check, $done) = @_;
2031 2662
2032 # do generation counting so two concurrent goto's will be executed in-order 2663 # do generation counting so two concurrent goto's will be executed in-order
2033 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2664 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034 2665
2035 $self->enter_link; 2666 $self->enter_link;
2036 2667
2037 (async { 2668 (async {
2669 $Coro::current->{desc} = "player::goto $path $x $y";
2670
2671 # *tag paths override both path and x|y
2672 if ($path =~ /^\*(.*)$/) {
2673 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2674 my $ob = $obs[rand @obs];
2675
2676 # see if we actually can go there
2677 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2678 $ob = $obs[rand @obs];
2679 } else {
2680 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2681 }
2682 # else put us there anyways for now #d#
2683
2684 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2685 } else {
2686 ($path, $x, $y) = (undef, undef, undef);
2687 }
2688 }
2689
2038 my $map = eval { 2690 my $map = eval {
2039 my $map = cf::map::find $path; 2691 my $map = defined $path ? cf::map::find $path : undef;
2040 2692
2041 if ($map) { 2693 if ($map) {
2042 $map = $map->customise_for ($self); 2694 $map = $map->customise_for ($self);
2043 $map = $check->($map) if $check && $map; 2695 $map = $check->($map) if $check && $map;
2044 } else { 2696 } else {
2045 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2697 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046 } 2698 }
2047 2699
2048 $map 2700 $map
2049 }; 2701 };
2050 2702
… …
2055 2707
2056 if ($gen == $self->{_goto_generation}) { 2708 if ($gen == $self->{_goto_generation}) {
2057 delete $self->{_goto_generation}; 2709 delete $self->{_goto_generation};
2058 $self->leave_link ($map, $x, $y); 2710 $self->leave_link ($map, $x, $y);
2059 } 2711 }
2712
2713 $done->() if $done;
2060 })->prio (1); 2714 })->prio (1);
2061} 2715}
2062 2716
2063=item $player_object->enter_exit ($exit_object) 2717=item $player_object->enter_exit ($exit_object)
2064 2718
… …
2084} 2738}
2085 2739
2086sub prepare_random_map { 2740sub prepare_random_map {
2087 my ($exit) = @_; 2741 my ($exit) = @_;
2088 2742
2089 my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091 # all this does is basically replace the /! path by 2743 # all this does is basically replace the /! path by
2092 # a new random map path (?random/...) with a seed 2744 # a new random map path (?random/...) with a seed
2093 # that depends on the exit object 2745 # that depends on the exit object
2094 2746
2095 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
… …
2097 if ($exit->map) { 2749 if ($exit->map) {
2098 $rmp->{region} = $exit->region->name; 2750 $rmp->{region} = $exit->region->name;
2099 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
2100 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
2101 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
2102 } 2756 }
2103 2757
2104 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
2105 2759
2106 my $data = cf::to_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
2108 my $meta = "$RANDOMDIR/$md5.meta"; 2762 my $meta = "$RANDOMDIR/$md5.meta";
2109 2763
2110 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2764 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111 aio_write $fh, 0, (length $data), $data, 0; 2765 aio_write $fh, 0, (length $data), $data, 0;
2112 undef $fh; 2766 undef $fh;
2113 aio_rename "$meta~", $meta; 2767 aio_rename "$meta~", $meta;
2114 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
2115 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
2116 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
2117 } 2775 }
2118} 2776}
2119 2777
2120sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
2121 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
2122 2780
2123 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
2124 2782
2125 if ($exit->slaying eq "/!") {
2126 #TODO: this should de-fi-ni-te-ly not be a sync-job
2127 # the problem is that $exit might not survive long enough
2128 # so it needs to be done right now, right here
2129 cf::sync_job { prepare_random_map $exit };
2130 }
2131
2132 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133 my $hp = $exit->stats->hp;
2134 my $sp = $exit->stats->sp;
2135
2136 $self->enter_link; 2783 $self->enter_link;
2137 2784
2138 (async { 2785 (async {
2139 $self->deactivate_recursive; # just to be sure 2786 $Coro::current->{desc} = "enter_exit";
2787
2140 unless (eval { 2788 unless (eval {
2789 $self->deactivate_recursive; # just to be sure
2790
2791 # random map handling
2792 {
2793 my $guard = cf::lock_acquire "exit_prepare:$exit";
2794
2795 prepare_random_map $exit
2796 if $exit->slaying eq "/!";
2797 }
2798
2799 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
2802
2141 $self->goto ($slaying, $hp, $sp); 2803 $self->goto ($map, $x, $y);
2142 2804
2805 # if exit is damned, update players death & WoR home-position
2806 $self->contr->savebed ($map, $x, $y)
2807 if $exit->flag (cf::FLAG_DAMNED);
2808
2143 1; 2809 1
2144 }) { 2810 }) {
2145 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
2146 . "I'll try to bring you back to the map you were before. " 2812 . "I'll try to bring you back to the map you were before. "
2147 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
2148 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
2149 2815
2150 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
… …
2169 2835
2170 utf8::encode $text; 2836 utf8::encode $text;
2171 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172} 2838}
2173 2839
2840=item $client->send_big_packet ($pkt)
2841
2842Like C<send_packet>, but tries to compress large packets, and fragments
2843them as required.
2844
2845=cut
2846
2847our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2848
2849sub cf::client::send_big_packet {
2850 my ($self, $pkt) = @_;
2851
2852 # try lzf for large packets
2853 $pkt = "lzf " . Compress::LZF::compress $pkt
2854 if 1024 <= length $pkt and $self->{can_lzf};
2855
2856 # split very large packets
2857 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2858 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2859 $pkt = "frag";
2860 }
2861
2862 $self->send_packet ($pkt);
2863}
2864
2865=item $client->send_msg ($channel, $msg, $color, [extra...])
2866
2867Send a drawinfo or msg packet to the client, formatting the msg for the
2868client if neccessary. C<$type> should be a string identifying the type of
2869the message, with C<log> being the default. If C<$color> is negative, suppress
2870the message unless the client supports the msg packet.
2871
2872=cut
2873
2874# non-persistent channels (usually the info channel)
2875our %CHANNEL = (
2876 "c/motd" => {
2877 id => "infobox",
2878 title => "MOTD",
2879 reply => undef,
2880 tooltip => "The message of the day",
2881 },
2882 "c/identify" => {
2883 id => "infobox",
2884 title => "Identify",
2885 reply => undef,
2886 tooltip => "Items recently identified",
2887 },
2888 "c/examine" => {
2889 id => "infobox",
2890 title => "Examine",
2891 reply => undef,
2892 tooltip => "Signs and other items you examined",
2893 },
2894 "c/shopinfo" => {
2895 id => "infobox",
2896 title => "Shop Info",
2897 reply => undef,
2898 tooltip => "What your bargaining skill tells you about the shop",
2899 },
2900 "c/book" => {
2901 id => "infobox",
2902 title => "Book",
2903 reply => undef,
2904 tooltip => "The contents of a note or book",
2905 },
2906 "c/lookat" => {
2907 id => "infobox",
2908 title => "Look",
2909 reply => undef,
2910 tooltip => "What you saw there",
2911 },
2912 "c/who" => {
2913 id => "infobox",
2914 title => "Players",
2915 reply => undef,
2916 tooltip => "Shows players who are currently online",
2917 },
2918 "c/body" => {
2919 id => "infobox",
2920 title => "Body Parts",
2921 reply => undef,
2922 tooltip => "Shows which body parts you posess and are available",
2923 },
2924 "c/statistics" => {
2925 id => "infobox",
2926 title => "Statistics",
2927 reply => undef,
2928 tooltip => "Shows your primary statistics",
2929 },
2930 "c/skills" => {
2931 id => "infobox",
2932 title => "Skills",
2933 reply => undef,
2934 tooltip => "Shows your experience per skill and item power",
2935 },
2936 "c/shopitems" => {
2937 id => "infobox",
2938 title => "Shop Items",
2939 reply => undef,
2940 tooltip => "Shows the items currently for sale in this shop",
2941 },
2942 "c/resistances" => {
2943 id => "infobox",
2944 title => "Resistances",
2945 reply => undef,
2946 tooltip => "Shows your resistances",
2947 },
2948 "c/pets" => {
2949 id => "infobox",
2950 title => "Pets",
2951 reply => undef,
2952 tooltip => "Shows information abotu your pets/a specific pet",
2953 },
2954 "c/perceiveself" => {
2955 id => "infobox",
2956 title => "Perceive Self",
2957 reply => undef,
2958 tooltip => "You gained detailed knowledge about yourself",
2959 },
2960 "c/uptime" => {
2961 id => "infobox",
2962 title => "Uptime",
2963 reply => undef,
2964 tooltip => "How long the server has been running since last restart",
2965 },
2966 "c/mapinfo" => {
2967 id => "infobox",
2968 title => "Map Info",
2969 reply => undef,
2970 tooltip => "Information related to the maps",
2971 },
2972 "c/party" => {
2973 id => "party",
2974 title => "Party",
2975 reply => "gsay ",
2976 tooltip => "Messages and chat related to your party",
2977 },
2978 "c/death" => {
2979 id => "death",
2980 title => "Death",
2981 reply => undef,
2982 tooltip => "Reason for and more info about your most recent death",
2983 },
2984 "c/say" => $SAY_CHANNEL,
2985 "c/chat" => $CHAT_CHANNEL,
2986);
2987
2988sub cf::client::send_msg {
2989 my ($self, $channel, $msg, $color, @extra) = @_;
2990
2991 $msg = $self->pl->expand_cfpod ($msg)
2992 unless $color & cf::NDI_VERBATIM;
2993
2994 $color &= cf::NDI_CLIENT_MASK; # just in case...
2995
2996 # check predefined channels, for the benefit of C
2997 if ($CHANNEL{$channel}) {
2998 $channel = $CHANNEL{$channel};
2999
3000 $self->ext_msg (channel_info => $channel);
3001 $channel = $channel->{id};
3002
3003 } elsif (ref $channel) {
3004 # send meta info to client, if not yet sent
3005 unless (exists $self->{channel}{$channel->{id}}) {
3006 $self->{channel}{$channel->{id}} = $channel;
3007 $self->ext_msg (channel_info => $channel);
3008 }
3009
3010 $channel = $channel->{id};
3011 }
3012
3013 return unless @extra || length $msg;
3014
3015 # default colour, mask it out
3016 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3017 if $color & cf::NDI_DEF;
3018
3019 my $pkt = "msg "
3020 . $self->{json_coder}->encode (
3021 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3022 );
3023
3024 $self->send_big_packet ($pkt);
3025}
3026
2174=item $client->ext_event ($type, %msg) 3027=item $client->ext_msg ($type, @msg)
2175 3028
2176Sends an exti event to the client. 3029Sends an ext event to the client.
2177 3030
2178=cut 3031=cut
2179 3032
2180sub cf::client::ext_event($$%) { 3033sub cf::client::ext_msg($$@) {
2181 my ($self, $type, %msg) = @_; 3034 my ($self, $type, @msg) = @_;
2182 3035
3036 if ($self->extcmd == 2) {
3037 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3038 } elsif ($self->extcmd == 1) { # TODO: remove
2183 $msg{msgtype} = "event_$type"; 3039 push @msg, msgtype => "event_$type";
2184 $self->send_packet ("ext " . cf::to_json \%msg); 3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3041 }
3042}
3043
3044=item $client->ext_reply ($msgid, @msg)
3045
3046Sends an ext reply to the client.
3047
3048=cut
3049
3050sub cf::client::ext_reply($$@) {
3051 my ($self, $id, @msg) = @_;
3052
3053 if ($self->extcmd == 2) {
3054 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3055 } elsif ($self->extcmd == 1) {
3056 #TODO: version 1, remove
3057 unshift @msg, msgtype => "reply", msgid => $id;
3058 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3059 }
2185} 3060}
2186 3061
2187=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
2188 3063
2189Queues a query to the client, calling the given callback with 3064Queues a query to the client, calling the given callback with
2190the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3065the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3066C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192 3067
2193Queries can fail, so check the return code. Or don't, as queries will become 3068Queries can fail, so check the return code. Or don't, as queries will
2194reliable at some point in the future. 3069become reliable at some point in the future.
2195 3070
2196=cut 3071=cut
2197 3072
2198sub cf::client::query { 3073sub cf::client::query {
2199 my ($self, $flags, $text, $cb) = @_; 3074 my ($self, $flags, $text, $cb) = @_;
… …
2207 utf8::encode $text; 3082 utf8::encode $text;
2208 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3083 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209 3084
2210 $self->send_packet ($self->{query_queue}[0][0]) 3085 $self->send_packet ($self->{query_queue}[0][0])
2211 if @{ $self->{query_queue} } == 1; 3086 if @{ $self->{query_queue} } == 1;
3087
3088 1
2212} 3089}
2213 3090
2214cf::client->attach ( 3091cf::client->attach (
3092 on_connect => sub {
3093 my ($ns) = @_;
3094
3095 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3096 },
2215 on_reply => sub { 3097 on_reply => sub {
2216 my ($ns, $msg) = @_; 3098 my ($ns, $msg) = @_;
2217 3099
2218 # this weird shuffling is so that direct followup queries 3100 # this weird shuffling is so that direct followup queries
2219 # get handled first 3101 # get handled first
… …
2231 } else { 3113 } else {
2232 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3114 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233 } 3115 }
2234 } 3116 }
2235 }, 3117 },
3118 on_exticmd => sub {
3119 my ($ns, $buf) = @_;
3120
3121 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3122
3123 if (ref $msg) {
3124 my ($type, $reply, @payload) =
3125 "ARRAY" eq ref $msg
3126 ? @$msg
3127 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3128
3129 my @reply;
3130
3131 if (my $cb = $EXTICMD{$type}) {
3132 @reply = $cb->($ns, @payload);
3133 }
3134
3135 $ns->ext_reply ($reply, @reply)
3136 if $reply;
3137
3138 } else {
3139 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3140 }
3141
3142 cf::override;
3143 },
2236); 3144);
2237 3145
2238=item $client->async (\&cb) 3146=item $client->async (\&cb)
2239 3147
2240Create a new coroutine, running the specified callback. The coroutine will 3148Create a new coroutine, running the specified callback. The coroutine will
… …
2256 3164
2257 $coro 3165 $coro
2258} 3166}
2259 3167
2260cf::client->attach ( 3168cf::client->attach (
2261 on_destroy => sub { 3169 on_client_destroy => sub {
2262 my ($ns) = @_; 3170 my ($ns) = @_;
2263 3171
2264 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265 }, 3173 },
2266); 3174);
… …
2281our $safe = new Safe "safe"; 3189our $safe = new Safe "safe";
2282our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
2283 3191
2284$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
2285 3193
2286$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3194$safe->permit_only (Opcode::opset qw(
3195 :base_core :base_mem :base_orig :base_math :base_loop
3196 grepstart grepwhile mapstart mapwhile
3197 sort time
3198));
2287 3199
2288# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
2289 3201
2290=pod 3202=pod
2291 3203
2292The following functions and methods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
2293 3205
2294 cf::object contr pay_amount pay_player map 3206 cf::object
3207 contr pay_amount pay_player map x y force_find force_add destroy
3208 insert remove name archname title slaying race decrease split
3209 value
3210
2295 cf::object::player player 3211 cf::object::player
2296 cf::player peaceful 3212 player
2297 cf::map trigger 3213
3214 cf::player
3215 peaceful
3216
3217 cf::map
3218 trigger
2298 3219
2299=cut 3220=cut
2300 3221
2301for ( 3222for (
2302 ["cf::object" => qw(contr pay_amount pay_player map)], 3223 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3224 insert remove inv nrof name archname title slaying race
3225 decrease split destroy change_exp value msg lore send_msg)],
2303 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
2304 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
2305 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
2306) { 3229) {
2307 no strict 'refs'; 3230 no strict 'refs';
2308 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
2309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2327 3250
2328 my $qcode = $code; 3251 my $qcode = $code;
2329 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2330 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
2331 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
2332 local $_; 3258 local $_;
2333 local @safe::cf::_safe_eval_args = values %vars;
2334 3259
2335 my $eval = 3260 my $eval =
2336 "do {\n" 3261 "do {\n"
2337 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
2339 . $code 3264 . $code
2340 . "\n}" 3265 . "\n}"
2341 ; 3266 ;
2342 3267
3268 if ($CFG{safe_eval}) {
2343 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
2344 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345 sub_generation_inc; 3272 sub_generation_inc;
3273 } else {
3274 local @cf::_safe_eval_args = values %vars;
3275 @res = wantarray ? eval eval : scalar eval $eval;
3276 }
2346 3277
2347 if ($@) { 3278 if ($@) {
2348 warn "$@"; 3279 warn "$@";
2349 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
2350 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
… …
2369=cut 3300=cut
2370 3301
2371sub register_script_function { 3302sub register_script_function {
2372 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
2373 3304
2374 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
2375 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
2376} 3307}
2377 3308
2378=back 3309=back
2379 3310
2380=cut 3311=cut
2381
2382#############################################################################
2383
2384=head2 EXTENSION DATABASE SUPPORT
2385
2386Crossfire maintains a very simple database for extension use. It can
2387currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388convert to/from binary).
2389
2390The parameter C<$family> should best start with the name of the extension
2391using it, it should be unique.
2392
2393=over 4
2394
2395=item $value = cf::db_get $family => $key
2396
2397Returns a single value from the database.
2398
2399=item cf::db_put $family => $key => $value
2400
2401Stores the given C<$value> in the family.
2402
2403=cut
2404
2405our $DB;
2406
2407sub db_init {
2408 unless ($DB) {
2409 $DB = BDB::db_create $DB_ENV;
2410
2411 cf::sync_job {
2412 eval {
2413 $DB->set_flags (BDB::CHKSUM);
2414
2415 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417 cf::cleanup "db_open(db): $!" if $!;
2418 };
2419 cf::cleanup "db_open(db): $@" if $@;
2420 };
2421 }
2422}
2423
2424sub db_get($$) {
2425 my $key = "$_[0]/$_[1]";
2426
2427 cf::sync_job {
2428 BDB::db_get $DB, undef, $key, my $data;
2429
2430 $! ? ()
2431 : $data
2432 }
2433}
2434
2435sub db_put($$$) {
2436 BDB::dbreq_pri 4;
2437 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438}
2439
2440=item cf::cache $id => [$paths...], $processversion => $process
2441
2442Generic caching function that returns the value of the resource $id,
2443caching and regenerating as required.
2444
2445This function can block.
2446
2447=cut
2448
2449sub cache {
2450 my ($id, $src, $processversion, $process) = @_;
2451
2452 my $meta =
2453 join "\x00",
2454 $processversion,
2455 map {
2456 aio_stat $_
2457 and Carp::croak "$_: $!";
2458
2459 ($_, (stat _)[7,9])
2460 } @$src;
2461
2462 my $dbmeta = db_get cache => "$id/meta";
2463 if ($dbmeta ne $meta) {
2464 # changed, we may need to process
2465
2466 my @data;
2467 my $md5;
2468
2469 for (0 .. $#$src) {
2470 0 <= aio_load $src->[$_], $data[$_]
2471 or Carp::croak "$src->[$_]: $!";
2472 }
2473
2474 # if processing is expensive, check
2475 # checksum first
2476 if (1) {
2477 $md5 =
2478 join "\x00",
2479 $processversion,
2480 map {
2481 Coro::cede;
2482 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2483 } 0.. $#$src;
2484
2485
2486 my $dbmd5 = db_get cache => "$id/md5";
2487 if ($dbmd5 eq $md5) {
2488 db_put cache => "$id/meta", $meta;
2489
2490 return db_get cache => "$id/data";
2491 }
2492 }
2493
2494 my $t1 = Time::HiRes::time;
2495 my $data = $process->(\@data);
2496 my $t2 = Time::HiRes::time;
2497
2498 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500 db_put cache => "$id/data", $data;
2501 db_put cache => "$id/md5" , $md5;
2502 db_put cache => "$id/meta", $meta;
2503
2504 return $data;
2505 }
2506
2507 db_get cache => "$id/data"
2508}
2509
2510=item fork_call { }, $args
2511
2512Executes the given code block with the given arguments in a seperate
2513process, returning the results. Everything must be serialisable with
2514Coro::Storable. May, of course, block. Note that the executed sub may
2515never block itself or use any form of Event handling.
2516
2517=cut
2518
2519sub fork_call(&@) {
2520 my ($cb, @args) = @_;
2521
2522# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523# or die "socketpair: $!";
2524 pipe my $fh1, my $fh2
2525 or die "pipe: $!";
2526
2527 if (my $pid = fork) {
2528 close $fh2;
2529
2530 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531 $res = Coro::Storable::thaw $res;
2532
2533 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535 die $$res unless "ARRAY" eq ref $res;
2536
2537 return wantarray ? @$res : $res->[-1];
2538 } else {
2539 reset_signals;
2540 local $SIG{__WARN__};
2541 local $SIG{__DIE__};
2542 eval {
2543 close $fh1;
2544
2545 my @res = eval { $cb->(@args) };
2546 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547 };
2548
2549 warn $@ if $@;
2550 _exit 0;
2551 }
2552}
2553 3312
2554############################################################################# 3313#############################################################################
2555# the server's init and main functions 3314# the server's init and main functions
2556 3315
2557sub load_facedata($) { 3316sub load_facedata($) {
2558 my ($path) = @_; 3317 my ($path) = @_;
3318
3319 # HACK to clear player env face cache, we need some signal framework
3320 # for this (global event?)
3321 %ext::player_env::MUSIC_FACE_CACHE = ();
3322
3323 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559 3324
2560 warn "loading facedata from $path\n"; 3325 warn "loading facedata from $path\n";
2561 3326
2562 my $facedata; 3327 my $facedata;
2563 0 < aio_load $path, $facedata 3328 0 < aio_load $path, $facedata
… …
2566 $facedata = Coro::Storable::thaw $facedata; 3331 $facedata = Coro::Storable::thaw $facedata;
2567 3332
2568 $facedata->{version} == 2 3333 $facedata->{version} == 2
2569 or cf::cleanup "$path: version mismatch, cannot proceed."; 3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
2570 3335
3336 # patch in the exptable
3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3338 $facedata->{resource}{"res/exp_table"} = {
3339 type => FT_RSRC,
3340 data => $exp_table,
3341 hash => (Digest::MD5::md5 $exp_table),
3342 };
3343 cf::cede_to_tick;
3344
2571 { 3345 {
2572 my $faces = $facedata->{faceinfo}; 3346 my $faces = $facedata->{faceinfo};
2573 3347
2574 while (my ($face, $info) = each %$faces) { 3348 while (my ($face, $info) = each %$faces) {
2575 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3350
2576 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3351 cf::face::set_visibility $idx, $info->{visibility};
3352 cf::face::set_magicmap $idx, $info->{magicmap};
2577 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579 Coro::cede; 3355
3356 cf::cede_to_tick;
2580 } 3357 }
2581 3358
2582 while (my ($face, $info) = each %$faces) { 3359 while (my ($face, $info) = each %$faces) {
2583 next unless $info->{smooth}; 3360 next unless $info->{smooth};
3361
2584 my $idx = cf::face::find $face 3362 my $idx = cf::face::find $face
2585 or next; 3363 or next;
3364
2586 if (my $smooth = cf::face::find $info->{smooth}) { 3365 if (my $smooth = cf::face::find $info->{smooth}) {
3366 cf::face::set_smooth $idx, $smooth;
2587 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3367 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588 } else { 3368 } else {
2589 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2590 } 3370 }
2591 Coro::cede; 3371
3372 cf::cede_to_tick;
2592 } 3373 }
2593 } 3374 }
2594 3375
2595 { 3376 {
2596 my $anims = $facedata->{animinfo}; 3377 my $anims = $facedata->{animinfo};
2597 3378
2598 while (my ($anim, $info) = each %$anims) { 3379 while (my ($anim, $info) = each %$anims) {
2599 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3380 cf::anim::set $anim, $info->{frames}, $info->{facings};
2600 Coro::cede; 3381 cf::cede_to_tick;
2601 } 3382 }
2602 3383
2603 cf::anim::invalidate_all; # d'oh 3384 cf::anim::invalidate_all; # d'oh
2604 } 3385 }
2605 3386
3387 {
3388 my $res = $facedata->{resource};
3389
3390 while (my ($name, $info) = each %$res) {
3391 if (defined $info->{type}) {
3392 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3393
3394 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3395 cf::face::set_type $idx, $info->{type};
3396 } else {
3397 $RESOURCE{$name} = $info;
3398 }
3399
3400 cf::cede_to_tick;
3401 }
3402 }
3403
3404 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3405
2606 1 3406 1
2607} 3407}
2608 3408
3409cf::global->attach (on_resource_update => sub {
3410 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3411 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3412
3413 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3414 my $sound = $soundconf->{compat}[$_]
3415 or next;
3416
3417 my $face = cf::face::find "sound/$sound->[1]";
3418 cf::sound::set $sound->[0] => $face;
3419 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3420 }
3421
3422 while (my ($k, $v) = each %{$soundconf->{event}}) {
3423 my $face = cf::face::find "sound/$v";
3424 cf::sound::set $k => $face;
3425 }
3426 }
3427});
3428
3429register_exticmd fx_want => sub {
3430 my ($ns, $want) = @_;
3431
3432 while (my ($k, $v) = each %$want) {
3433 $ns->fx_want ($k, $v);
3434 }
3435};
3436
3437sub load_resource_file($) {
3438 my $guard = lock_acquire "load_resource_file";
3439
3440 my $status = load_resource_file_ $_[0];
3441 get_slot 0.1, 100;
3442 cf::arch::commit_load;
3443
3444 $status
3445}
3446
2609sub reload_regions { 3447sub reload_regions {
3448 # HACK to clear player env face cache, we need some signal framework
3449 # for this (global event?)
3450 %ext::player_env::MUSIC_FACE_CACHE = ();
3451
2610 load_resource_file "$MAPDIR/regions" 3452 load_resource_file "$MAPDIR/regions"
2611 or die "unable to load regions file\n"; 3453 or die "unable to load regions file\n";
3454
3455 for (cf::region::list) {
3456 $_->{match} = qr/$_->{match}/
3457 if exists $_->{match};
3458 }
2612} 3459}
2613 3460
2614sub reload_facedata { 3461sub reload_facedata {
2615 load_facedata "$DATADIR/facedata" 3462 load_facedata "$DATADIR/facedata"
2616 or die "unable to load facedata\n"; 3463 or die "unable to load facedata\n";
… …
2627} 3474}
2628 3475
2629sub reload_resources { 3476sub reload_resources {
2630 warn "reloading resource files...\n"; 3477 warn "reloading resource files...\n";
2631 3478
3479 reload_facedata;
3480 reload_archetypes;
2632 reload_regions; 3481 reload_regions;
2633 reload_facedata;
2634 #reload_archetypes;#d#
2635 reload_archetypes;
2636 reload_treasures; 3482 reload_treasures;
2637 3483
2638 warn "finished reloading resource files\n"; 3484 warn "finished reloading resource files\n";
2639} 3485}
2640 3486
2641sub init { 3487sub reload_config {
2642 reload_resources; 3488 warn "reloading config file...\n";
2643}
2644 3489
2645sub cfg_load {
2646 open my $fh, "<:utf8", "$CONFDIR/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
2647 or return; 3491 or return;
2648 3492
2649 local $/; 3493 local $/;
2650 *CFG = YAML::Syck::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
2651 3495
2652 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653 3497
2654 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3498 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3499 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2659 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
2661 }; 3505 };
2662 warn $@ if $@; 3506 warn $@ if $@;
2663 } 3507 }
3508
3509 warn "finished reloading resource files\n";
3510}
3511
3512sub pidfile() {
3513 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3514 or die "$PIDFILE: $!";
3515 flock $fh, &Fcntl::LOCK_EX
3516 or die "$PIDFILE: flock: $!";
3517 $fh
3518}
3519
3520# make sure only one server instance is running at any one time
3521sub atomic {
3522 my $fh = pidfile;
3523
3524 my $pid = <$fh>;
3525 kill 9, $pid if $pid > 0;
3526
3527 seek $fh, 0, 0;
3528 print $fh $$;
3529}
3530
3531sub main_loop {
3532 warn "EV::loop starting\n";
3533 if (1) {
3534 EV::loop;
3535 }
3536 warn "EV::loop returned\n";
3537 goto &main_loop unless $REALLY_UNLOOP;
2664} 3538}
2665 3539
2666sub main { 3540sub main {
3541 cf::init_globals; # initialise logging
3542
3543 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3544 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3545 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3546 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3547
3548 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3549
2667 # we must not ever block the main coroutine 3550 # we must not ever block the main coroutine
2668 local $Coro::idle = sub { 3551 local $Coro::idle = sub {
2669 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3552 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670 (async { 3553 (async {
2671 Event::one_event; 3554 $Coro::current->{desc} = "IDLE BUG HANDLER";
3555 EV::loop EV::LOOP_ONESHOT;
2672 })->prio (Coro::PRIO_MAX); 3556 })->prio (Coro::PRIO_MAX);
2673 }; 3557 };
2674 3558
2675 cfg_load; 3559 evthread_start IO::AIO::poll_fileno;
3560
3561 cf::sync_job {
3562 cf::init_experience;
3563 cf::init_anim;
3564 cf::init_attackmess;
3565 cf::init_dynamic;
3566
3567 cf::load_settings;
3568 cf::load_materials;
3569
3570 reload_resources;
3571 reload_config;
2676 db_init; 3572 db_init;
3573
3574 cf::init_uuid;
3575 cf::init_signals;
3576 cf::init_skills;
3577
3578 cf::init_beforeplay;
3579
3580 atomic;
3581
2677 load_extensions; 3582 load_extensions;
2678 3583
2679 $TICK_WATCHER->start; 3584 utime time, time, $RUNTIMEFILE;
2680 Event::loop; 3585
3586 # no (long-running) fork's whatsoever before this point(!)
3587 use POSIX ();
3588 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3589
3590 (pop @POST_INIT)->(0) while @POST_INIT;
3591 };
3592
3593 cf::object::thawer::errors_are_fatal 0;
3594
3595 main_loop;
2681} 3596}
2682 3597
2683############################################################################# 3598#############################################################################
2684# initialisation and cleanup 3599# initialisation and cleanup
2685 3600
2686# install some emergency cleanup handlers 3601# install some emergency cleanup handlers
2687BEGIN { 3602BEGIN {
3603 our %SIGWATCHER = ();
2688 for my $signal (qw(INT HUP TERM)) { 3604 for my $signal (qw(INT HUP TERM)) {
2689 Event->signal ( 3605 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2690 reentrant => 0,
2691 data => WF_AUTOCANCEL,
2692 signal => $signal,
2693 prio => 0,
2694 cb => sub {
2695 cf::cleanup "SIG$signal"; 3606 cf::cleanup "SIG$signal";
2696 },
2697 ); 3607 };
3608 }
3609}
3610
3611sub write_runtime_sync {
3612 my $t0 = AE::time;
3613
3614 # first touch the runtime file to show we are still running:
3615 # the fsync below can take a very very long time.
3616
3617 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3618
3619 my $guard = cf::lock_acquire "write_runtime";
3620
3621 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3622 or return;
3623
3624 my $value = $cf::RUNTIME + 90 + 10;
3625 # 10 is the runtime save interval, for a monotonic clock
3626 # 60 allows for the watchdog to kill the server.
3627
3628 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3629 and return;
3630
3631 # always fsync - this file is important
3632 aio_fsync $fh
3633 and return;
3634
3635 # touch it again to show we are up-to-date
3636 aio_utime $fh, undef, undef;
3637
3638 close $fh
3639 or return;
3640
3641 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3642 and return;
3643
3644 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3645
2698 } 3646 1
3647}
3648
3649our $uuid_lock;
3650our $uuid_skip;
3651
3652sub write_uuid_sync($) {
3653 $uuid_skip ||= $_[0];
3654
3655 return if $uuid_lock;
3656 local $uuid_lock = 1;
3657
3658 my $uuid = "$LOCALDIR/uuid";
3659
3660 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3661 or return;
3662
3663 my $value = uuid_seq uuid_cur;
3664
3665 unless ($value) {
3666 warn "cowardly refusing to write zero uuid value!\n";
3667 return;
3668 }
3669
3670 my $value = uuid_str $value + $uuid_skip;
3671 $uuid_skip = 0;
3672
3673 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3674 and return;
3675
3676 # always fsync - this file is important
3677 aio_fsync $fh
3678 and return;
3679
3680 close $fh
3681 or return;
3682
3683 aio_rename "$uuid~", $uuid
3684 and return;
3685
3686 warn "uuid file written ($value).\n";
3687
3688 1
3689
3690}
3691
3692sub write_uuid($$) {
3693 my ($skip, $sync) = @_;
3694
3695 $sync ? write_uuid_sync $skip
3696 : async { write_uuid_sync $skip };
2699} 3697}
2700 3698
2701sub emergency_save() { 3699sub emergency_save() {
2702 my $freeze_guard = cf::freeze_mainloop; 3700 my $freeze_guard = cf::freeze_mainloop;
2703 3701
2704 warn "enter emergency perl save\n"; 3702 warn "emergency_perl_save: enter\n";
2705 3703
2706 cf::sync_job { 3704 cf::sync_job {
3705 # this is a trade-off: we want to be very quick here, so
3706 # save all maps without fsync, and later call a global sync
3707 # (which in turn might be very very slow)
3708 local $USE_FSYNC = 0;
3709
2707 # use a peculiar iteration method to avoid tripping on perl 3710 # use a peculiar iteration method to avoid tripping on perl
2708 # refcount bugs in for. also avoids problems with players 3711 # refcount bugs in for. also avoids problems with players
2709 # and maps saved/destroyed asynchronously. 3712 # and maps saved/destroyed asynchronously.
2710 warn "begin emergency player save\n"; 3713 warn "emergency_perl_save: begin player save\n";
2711 for my $login (keys %cf::PLAYER) { 3714 for my $login (keys %cf::PLAYER) {
2712 my $pl = $cf::PLAYER{$login} or next; 3715 my $pl = $cf::PLAYER{$login} or next;
2713 $pl->valid or next; 3716 $pl->valid or next;
3717 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714 $pl->save; 3718 $pl->save;
2715 } 3719 }
2716 warn "end emergency player save\n"; 3720 warn "emergency_perl_save: end player save\n";
2717 3721
2718 warn "begin emergency map save\n"; 3722 warn "emergency_perl_save: begin map save\n";
2719 for my $path (keys %cf::MAP) { 3723 for my $path (keys %cf::MAP) {
2720 my $map = $cf::MAP{$path} or next; 3724 my $map = $cf::MAP{$path} or next;
2721 $map->valid or next; 3725 $map->valid or next;
2722 $map->save; 3726 $map->save;
2723 } 3727 }
2724 warn "end emergency map save\n"; 3728 warn "emergency_perl_save: end map save\n";
2725 3729
2726 warn "begin emergency database checkpoint\n"; 3730 warn "emergency_perl_save: begin database checkpoint\n";
2727 BDB::db_env_txn_checkpoint $DB_ENV; 3731 BDB::db_env_txn_checkpoint $DB_ENV;
2728 warn "end emergency database checkpoint\n"; 3732 warn "emergency_perl_save: end database checkpoint\n";
3733
3734 warn "emergency_perl_save: begin write uuid\n";
3735 write_uuid_sync 1;
3736 warn "emergency_perl_save: end write uuid\n";
2729 }; 3737 };
2730 3738
3739 warn "emergency_perl_save: starting sync()\n";
3740 IO::AIO::aio_sync sub {
3741 warn "emergency_perl_save: finished sync()\n";
3742 };
3743
2731 warn "leave emergency perl save\n"; 3744 warn "emergency_perl_save: leave\n";
2732} 3745}
2733 3746
2734sub post_cleanup { 3747sub post_cleanup {
2735 my ($make_core) = @_; 3748 my ($make_core) = @_;
2736 3749
2737 warn Carp::longmess "post_cleanup backtrace" 3750 warn Carp::longmess "post_cleanup backtrace"
2738 if $make_core; 3751 if $make_core;
3752
3753 my $fh = pidfile;
3754 unlink $PIDFILE if <$fh> == $$;
3755}
3756
3757# a safer delete_package, copied from Symbol
3758sub clear_package($) {
3759 my $pkg = shift;
3760
3761 # expand to full symbol table name if needed
3762 unless ($pkg =~ /^main::.*::$/) {
3763 $pkg = "main$pkg" if $pkg =~ /^::/;
3764 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3765 $pkg .= '::' unless $pkg =~ /::$/;
3766 }
3767
3768 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3769 my $stem_symtab = *{$stem}{HASH};
3770
3771 defined $stem_symtab and exists $stem_symtab->{$leaf}
3772 or return;
3773
3774 # clear all symbols
3775 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3776 for my $name (keys %$leaf_symtab) {
3777 _gv_clear *{"$pkg$name"};
3778# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3779 }
3780 warn "cleared package $pkg\n";#d#
2739} 3781}
2740 3782
2741sub do_reload_perl() { 3783sub do_reload_perl() {
2742 # can/must only be called in main 3784 # can/must only be called in main
2743 if ($Coro::current != $Coro::main) { 3785 if ($Coro::current != $Coro::main) {
2744 warn "can only reload from main coroutine"; 3786 warn "can only reload from main coroutine";
2745 return; 3787 return;
2746 } 3788 }
2747 3789
3790 return if $RELOAD++;
3791
3792 my $t1 = AE::time;
3793
3794 while ($RELOAD) {
2748 warn "reloading..."; 3795 warn "reloading...";
2749 3796
2750 warn "entering sync_job"; 3797 warn "entering sync_job";
2751 3798
2752 cf::sync_job { 3799 cf::sync_job {
2753 cf::write_runtime; # external watchdog should not bark 3800 cf::write_runtime_sync; # external watchdog should not bark
2754 cf::emergency_save; 3801 cf::emergency_save;
2755 cf::write_runtime; # external watchdog should not bark 3802 cf::write_runtime_sync; # external watchdog should not bark
2756 3803
2757 warn "syncing database to disk"; 3804 warn "syncing database to disk";
2758 BDB::db_env_txn_checkpoint $DB_ENV; 3805 BDB::db_env_txn_checkpoint $DB_ENV;
2759 3806
2760 # if anything goes wrong in here, we should simply crash as we already saved 3807 # if anything goes wrong in here, we should simply crash as we already saved
2761 3808
2762 warn "cancelling all WF_AUTOCANCEL watchers";
2763 for (Event::all_watchers) {
2764 $_->cancel if $_->data & WF_AUTOCANCEL;
2765 }
2766
2767 warn "flushing outstanding aio requests"; 3809 warn "flushing outstanding aio requests";
2768 for (;;) {
2769 BDB::flush;
2770 IO::AIO::flush;
2771 Coro::cede;
2772 last unless IO::AIO::nreqs || BDB::nreqs; 3810 while (IO::AIO::nreqs || BDB::nreqs) {
2773 warn "iterate..."; 3811 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774 }
2775
2776 ++$RELOAD;
2777
2778 warn "cancelling all extension coros";
2779 $_->cancel for values %EXT_CORO;
2780 %EXT_CORO = ();
2781
2782 warn "removing commands";
2783 %COMMAND = ();
2784
2785 warn "removing ext commands";
2786 %EXTCMD = ();
2787
2788 warn "unloading/nuking all extensions";
2789 for my $pkg (@EXTS) {
2790 warn "... unloading $pkg";
2791
2792 if (my $cb = $pkg->can ("unload")) {
2793 eval {
2794 $cb->($pkg);
2795 1
2796 } or warn "$pkg unloaded, but with errors: $@";
2797 } 3812 }
2798 3813
2799 warn "... nuking $pkg"; 3814 warn "cancelling all extension coros";
2800 Symbol::delete_package $pkg; 3815 $_->cancel for values %EXT_CORO;
2801 } 3816 %EXT_CORO = ();
2802 3817
2803 warn "unloading all perl modules loaded from $LIBDIR"; 3818 warn "removing commands";
2804 while (my ($k, $v) = each %INC) { 3819 %COMMAND = ();
2805 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806 3820
3821 warn "removing ext/exti commands";
3822 %EXTCMD = ();
3823 %EXTICMD = ();
3824
3825 warn "unloading/nuking all extensions";
3826 for my $pkg (@EXTS) {
2807 warn "... unloading $k"; 3827 warn "... unloading $pkg";
2808 delete $INC{$k};
2809 3828
2810 $k =~ s/\.pm$//;
2811 $k =~ s/\//::/g;
2812
2813 if (my $cb = $k->can ("unload_module")) { 3829 if (my $cb = $pkg->can ("unload")) {
3830 eval {
2814 $cb->(); 3831 $cb->($pkg);
3832 1
3833 } or warn "$pkg unloaded, but with errors: $@";
3834 }
3835
3836 warn "... clearing $pkg";
3837 clear_package $pkg;
2815 } 3838 }
2816 3839
2817 Symbol::delete_package $k; 3840 warn "unloading all perl modules loaded from $LIBDIR";
3841 while (my ($k, $v) = each %INC) {
3842 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3843
3844 warn "... unloading $k";
3845 delete $INC{$k};
3846
3847 $k =~ s/\.pm$//;
3848 $k =~ s/\//::/g;
3849
3850 if (my $cb = $k->can ("unload_module")) {
3851 $cb->();
3852 }
3853
3854 clear_package $k;
2818 } 3855 }
2819 3856
2820 warn "getting rid of safe::, as good as possible"; 3857 warn "getting rid of safe::, as good as possible";
2821 Symbol::delete_package "safe::$_" 3858 clear_package "safe::$_"
2822 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3859 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823 3860
2824 warn "unloading cf.pm \"a bit\""; 3861 warn "unloading cf.pm \"a bit\"";
2825 delete $INC{"cf.pm"}; 3862 delete $INC{"cf.pm"};
2826 delete $INC{"cf/pod.pm"}; 3863 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827 3864
2828 # don't, removes xs symbols, too, 3865 # don't, removes xs symbols, too,
2829 # and global variables created in xs 3866 # and global variables created in xs
2830 #Symbol::delete_package __PACKAGE__; 3867 #clear_package __PACKAGE__;
2831 3868
2832 warn "unload completed, starting to reload now"; 3869 warn "unload completed, starting to reload now";
2833 3870
2834 warn "reloading cf.pm"; 3871 warn "reloading cf.pm";
2835 require cf; 3872 require cf;
2836 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3873 cf::_connect_to_perl_1;
2837 3874
2838 warn "loading config and database again"; 3875 warn "loading config and database again";
2839 cf::cfg_load; 3876 cf::reload_config;
2840 3877
2841 warn "loading extensions"; 3878 warn "loading extensions";
2842 cf::load_extensions; 3879 cf::load_extensions;
2843 3880
3881 if ($REATTACH_ON_RELOAD) {
2844 warn "reattaching attachments to objects/players"; 3882 warn "reattaching attachments to objects/players";
2845 _global_reattach; # objects, sockets 3883 _global_reattach; # objects, sockets
2846 warn "reattaching attachments to maps"; 3884 warn "reattaching attachments to maps";
2847 reattach $_ for values %MAP; 3885 reattach $_ for values %MAP;
2848 warn "reattaching attachments to players"; 3886 warn "reattaching attachments to players";
2849 reattach $_ for values %PLAYER; 3887 reattach $_ for values %PLAYER;
3888 }
2850 3889
3890 warn "running post_init jobs";
3891 (pop @POST_INIT)->(1) while @POST_INIT;
3892
2851 warn "leaving sync_job"; 3893 warn "leaving sync_job";
2852 3894
2853 1 3895 1
2854 } or do { 3896 } or do {
2855 warn $@; 3897 warn $@;
2856 warn "error while reloading, exiting."; 3898 cf::cleanup "error while reloading, exiting.";
2857 exit 1;
2858 }; 3899 };
2859 3900
2860 warn "reloaded"; 3901 warn "reloaded";
3902 --$RELOAD;
3903 }
3904
3905 $t1 = AE::time - $t1;
3906 warn "reload completed in ${t1}s\n";
2861}; 3907};
2862 3908
2863our $RELOAD_WATCHER; # used only during reload 3909our $RELOAD_WATCHER; # used only during reload
2864 3910
2865sub reload_perl() { 3911sub reload_perl() {
2866 # doing reload synchronously and two reloads happen back-to-back, 3912 # doing reload synchronously and two reloads happen back-to-back,
2867 # coro crashes during coro_state_free->destroy here. 3913 # coro crashes during coro_state_free->destroy here.
2868 3914
2869 $RELOAD_WATCHER ||= Event->timer ( 3915 $RELOAD_WATCHER ||= cf::async {
2870 reentrant => 0, 3916 Coro::AIO::aio_wait cache_extensions;
2871 after => 0, 3917
2872 data => WF_AUTOCANCEL, 3918 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873 cb => sub {
2874 do_reload_perl; 3919 do_reload_perl;
2875 undef $RELOAD_WATCHER; 3920 undef $RELOAD_WATCHER;
2876 }, 3921 };
2877 ); 3922 };
2878} 3923}
2879 3924
2880register_command "reload" => sub { 3925register_command "reload" => sub {
2881 my ($who, $arg) = @_; 3926 my ($who, $arg) = @_;
2882 3927
2883 if ($who->flag (FLAG_WIZ)) { 3928 if ($who->flag (FLAG_WIZ)) {
2884 $who->message ("reloading server."); 3929 $who->message ("reloading server.");
3930 async {
3931 $Coro::current->{desc} = "perl_reload";
2885 async { reload_perl }; 3932 reload_perl;
3933 };
2886 } 3934 }
2887}; 3935};
2888 3936
2889unshift @INC, $LIBDIR; 3937unshift @INC, $LIBDIR;
2890 3938
… …
2892 3940
2893our @WAIT_FOR_TICK; 3941our @WAIT_FOR_TICK;
2894our @WAIT_FOR_TICK_BEGIN; 3942our @WAIT_FOR_TICK_BEGIN;
2895 3943
2896sub wait_for_tick { 3944sub wait_for_tick {
2897 return unless $TICK_WATCHER->is_active;
2898 return if $Coro::current == $Coro::main; 3945 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899 3946
2900 my $signal = new Coro::Signal; 3947 my $signal = new Coro::Signal;
2901 push @WAIT_FOR_TICK, $signal; 3948 push @WAIT_FOR_TICK, $signal;
2902 $signal->wait; 3949 $signal->wait;
2903} 3950}
2904 3951
2905sub wait_for_tick_begin { 3952sub wait_for_tick_begin {
2906 return unless $TICK_WATCHER->is_active;
2907 return if $Coro::current == $Coro::main; 3953 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908 3954
2909 my $signal = new Coro::Signal; 3955 my $signal = new Coro::Signal;
2910 push @WAIT_FOR_TICK_BEGIN, $signal; 3956 push @WAIT_FOR_TICK_BEGIN, $signal;
2911 $signal->wait; 3957 $signal->wait;
2912} 3958}
2913 3959
2914 my $min = 1e6;#d# 3960sub tick {
2915 my $avg = 10;
2916$TICK_WATCHER = Event->timer (
2917 reentrant => 0,
2918 parked => 1,
2919 prio => 0,
2920 at => $NEXT_TICK || $TICK,
2921 data => WF_AUTOCANCEL,
2922 cb => sub {
2923 if ($Coro::current != $Coro::main) { 3961 if ($Coro::current != $Coro::main) {
2924 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3962 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925 unless ++$bug_warning > 10; 3963 unless ++$bug_warning > 10;
2926 return; 3964 return;
2927 } 3965 }
2928 3966
2929 $NOW = $tick_start = Event::time;
2930
2931 cf::server_tick; # one server iteration 3967 cf::server_tick; # one server iteration
2932 3968
2933 0 && sync_job {#d# 3969 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2934 for(1..10) {
2935 my $t = Event::time;
2936 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937 or die;
2938 3970
2939 $map->width (50); 3971 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940 $map->height (50); 3972 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941 $map->alloc; 3973 Coro::async_pool {
2942 $map->_load_objects ("/tmp/x.map", 1); 3974 $Coro::current->{desc} = "runtime saver";
2943 my $t = Event::time - $t; 3975 write_runtime_sync
2944 3976 or warn "ERROR: unable to write runtime file: $!";
2945 #next unless $t < 0.0013;#d#
2946 if ($t < $min) {
2947 $min = $t;
2948 }
2949 $avg = $avg * 0.99 + $t * 0.01;
2950 }
2951 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952 exit 0;
2953 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954 }; 3977 };
3978 }
2955 3979
2956 $RUNTIME += $TICK;
2957 $NEXT_TICK += $TICK;
2958
2959 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960 $NEXT_RUNTIME_WRITE = $NOW + 10;
2961 Coro::async_pool {
2962 write_runtime
2963 or warn "ERROR: unable to write runtime file: $!";
2964 };
2965 }
2966
2967# my $AFTER = Event::time;
2968# warn $AFTER - $NOW;#d#
2969
2970 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3980 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971 $sig->send; 3981 $sig->send;
2972 } 3982 }
2973 while (my $sig = shift @WAIT_FOR_TICK) { 3983 while (my $sig = shift @WAIT_FOR_TICK) {
2974 $sig->send; 3984 $sig->send;
2975 } 3985 }
2976 3986
2977 $NOW = Event::time; 3987 $LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979 # if we are delayed by four ticks or more, skip them all
2980 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982 $TICK_WATCHER->at ($NEXT_TICK);
2983 $TICK_WATCHER->start;
2984
2985 $LOAD = ($NOW - $tick_start) / $TICK;
2986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3988 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987 3989
2988 _post_tick; 3990 if (0) {
2989 3991 if ($NEXT_TICK) {
2990 3992 my $jitter = $TICK_START - $NEXT_TICK;
3993 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3994 warn "jitter $JITTER\n";#d#
3995 }
2991 }, 3996 }
2992); 3997}
2993 3998
2994{ 3999{
2995 BDB::max_poll_time $TICK * 0.1; 4000 # configure BDB
2996 $BDB_POLL_WATCHER = Event->io ( 4001
2997 reentrant => 0,
2998 fd => BDB::poll_fileno,
2999 poll => 'r',
3000 prio => 0,
3001 data => WF_AUTOCANCEL,
3002 cb => \&BDB::poll_cb,
3003 );
3004 BDB::min_parallel 8; 4002 BDB::min_parallel 16;
3005 4003 BDB::max_poll_reqs $TICK * 0.1;
3006 BDB::set_sync_prepare { 4004 $AnyEvent::BDB::WATCHER->priority (1);
3007 my $status;
3008 my $current = $Coro::current;
3009 (
3010 sub {
3011 $status = $!;
3012 $current->ready; undef $current;
3013 },
3014 sub {
3015 Coro::schedule while defined $current;
3016 $! = $status;
3017 },
3018 )
3019 };
3020 4005
3021 unless ($DB_ENV) { 4006 unless ($DB_ENV) {
3022 $DB_ENV = BDB::db_env_create; 4007 $DB_ENV = BDB::db_env_create;
4008 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4009 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4010 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4011 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4012 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023 4013
3024 cf::sync_job { 4014 cf::sync_job {
3025 eval { 4015 eval {
3026 BDB::db_env_open 4016 BDB::db_env_open
3027 $DB_ENV, 4017 $DB_ENV,
… …
3029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4019 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4020 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031 0666; 4021 0666;
3032 4022
3033 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4023 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036 $DB_ENV->set_lk_detect;
3037 }; 4024 };
3038 4025
3039 cf::cleanup "db_env_open(db): $@" if $@; 4026 cf::cleanup "db_env_open(db): $@" if $@;
3040 }; 4027 };
3041 } 4028 }
4029
4030 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4031 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4032 };
4033 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4034 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4035 };
4036 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4037 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4038 };
3042} 4039}
3043 4040
3044{ 4041{
4042 # configure IO::AIO
4043
3045 IO::AIO::min_parallel 8; 4044 IO::AIO::min_parallel 8;
3046
3047 undef $Coro::AIO::WATCHER;
3048 IO::AIO::max_poll_time $TICK * 0.1; 4045 IO::AIO::max_poll_time $TICK * 0.1;
3049 $AIO_POLL_WATCHER = Event->io ( 4046 undef $AnyEvent::AIO::WATCHER;
3050 reentrant => 0,
3051 data => WF_AUTOCANCEL,
3052 fd => IO::AIO::poll_fileno,
3053 poll => 'r',
3054 prio => 6,
3055 cb => \&IO::AIO::poll_cb,
3056 );
3057} 4047}
3058 4048
3059my $_log_backtrace; 4049my $_log_backtrace;
3060 4050
3061sub _log_backtrace { 4051sub _log_backtrace {
… …
3064 $msg =~ s/\n//; 4054 $msg =~ s/\n//;
3065 4055
3066 # limit the # of concurrent backtraces 4056 # limit the # of concurrent backtraces
3067 if ($_log_backtrace < 2) { 4057 if ($_log_backtrace < 2) {
3068 ++$_log_backtrace; 4058 ++$_log_backtrace;
4059 my $perl_bt = Carp::longmess $msg;
3069 async { 4060 async {
4061 $Coro::current->{desc} = "abt $msg";
4062
3070 my @bt = fork_call { 4063 my @bt = fork_call {
3071 @addr = map { sprintf "%x", $_ } @addr; 4064 @addr = map { sprintf "%x", $_ } @addr;
3072 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4065 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4066 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074 or die "addr2line: $!"; 4067 or die "addr2line: $!";
… …
3082 } 4075 }
3083 4076
3084 @funcs 4077 @funcs
3085 }; 4078 };
3086 4079
3087 LOG llevInfo, "[ABT] $msg\n"; 4080 LOG llevInfo, "[ABT] $perl_bt\n";
4081 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088 LOG llevInfo, "[ABT] $_\n" for @bt; 4082 LOG llevInfo, "[ABT] $_\n" for @bt;
3089 --$_log_backtrace; 4083 --$_log_backtrace;
3090 }; 4084 };
3091 } else { 4085 } else {
3092 LOG llevInfo, "[ABT] $msg\n"; 4086 LOG llevInfo, "[ABT] $msg\n";
3093 LOG llevInfo, "[ABT] [suppressed]\n"; 4087 LOG llevInfo, "[ABT] [suppressed]\n";
3094 } 4088 }
3095} 4089}
3096 4090
3097# load additional modules 4091# load additional modules
3098use cf::pod; 4092require "cf/$_.pm" for @EXTRA_MODULES;
4093cf::_connect_to_perl_2;
3099 4094
3100END { cf::emergency_save } 4095END { cf::emergency_save }
3101 4096
31021 40971
3103 4098

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