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Revision 1.187 by root, Sat Jan 20 21:06:52 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 Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.4 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 99our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
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;
115
116our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 118our $NEXT_TICK;
52our $NOW; 119our $USE_FSYNC = 1; # use fsync to write maps - default on
120
121our $BDB_DEADLOCK_WATCHER;
122our $BDB_CHECKPOINT_WATCHER;
123our $BDB_TRICKLE_WATCHER;
124our $DB_ENV;
125
126our @EXTRA_MODULES = qw(pod match mapscript);
53 127
54our %CFG; 128our %CFG;
55 129
56our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 131our $RUNTIME;
132our $NOW;
58 133
59our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 137
67# 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 ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 140
141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
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 $REALLY_UNLOOP; # never set to true, please :)
150
70binmode STDOUT; 151binmode STDOUT;
71binmode STDERR; 152binmode STDERR;
72 153
73# read virtual server time, if available 154# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 156 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
78} 159}
79 160
80mkdir cf::localdir; 161eval "sub TICK() { $TICK } 1" or die;
81mkdir cf::localdir . "/" . cf::playerdir; 162
82mkdir cf::localdir . "/" . cf::tmpdir; 163mkdir $_
83mkdir cf::localdir . "/" . cf::uniquedir; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84mkdir $RANDOM_MAPS;
85 165
86our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
167
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::"} };
87 180
88############################################################################# 181#############################################################################
89 182
90=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
91 184
98=item $cf::RUNTIME 191=item $cf::RUNTIME
99 192
100The time this server has run, starts at 0 and is increased by $cf::TICK on 193The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 194every server tick.
102 195
103=item $cf::LIBDIR 196=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
197$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
198$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 199
105The perl library directory, where extensions and cf-specific modules can 200Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 201directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
202unique-items directory, player file directory, random maps directory and
203database environment.
107 204
108=item $cf::NOW 205=item $cf::NOW
109 206
110The time of the last (current) server tick. 207The time of the last (current) server tick.
111 208
112=item $cf::TICK 209=item $cf::TICK
113 210
114The interval between server ticks, in seconds. 211The interval between server ticks, in seconds.
115 212
213=item $cf::LOADAVG
214
215The current CPU load on the server (alpha-smoothed), as a value between 0
216(none) and 1 (overloaded), indicating how much time is spent on processing
217objects per tick. Healthy values are < 0.5.
218
219=item $cf::LOAD
220
221The raw value load value from the last tick.
222
116=item %cf::CFG 223=item %cf::CFG
117 224
118Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 226from wherever your confdir points to.
120 227
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 228=item cf::wait_for_tick, cf::wait_for_tick_begin
122 229
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 231returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
127 245
128=back 246=back
129 247
130=cut 248=cut
131 249
132BEGIN { 250$Coro::State::WARNHOOK = sub {
133 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 251 my $msg = join "", @_;
135 utf8::encode $msg;
136 252
137 $msg .= "\n" 253 $msg .= "\n"
138 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
139 255
256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
257
140 LOG llevError, $msg; 258 LOG llevError, $msg;
141 }; 259};
142} 260
261$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};
143 274
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 279@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
280@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 281@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 282
151# we bless all objects into (empty) derived classes to force a method lookup 283# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 284# within the Safe compartment.
153for my $pkg (qw( 285for my $pkg (qw(
154 cf::global cf::attachable 286 cf::global cf::attachable
155 cf::object cf::object::player 287 cf::object cf::object::player
156 cf::client cf::player 288 cf::client cf::player
157 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
158 cf::map cf::party cf::region 291 cf::party cf::region
159)) { 292)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 294}
163 295
164$Event::DIED = sub { 296$EV::DIED = sub {
165 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
166}; 298};
299
300#############################################################################
167 301
168=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
169 303
170=over 4 304=over 4
171 305
190 $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;
191 $d 325 $d
192 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
193} 327}
194 328
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
198 330
199Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
200 332
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
209 334
210Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
211 336
212=cut 337=cut
213 338
214sub to_json($) { 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 340
216 JSON::Syck::Dump $_[0] 341sub encode_json($) { $json_coder->encode ($_[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;
217} 356}
218 357
219=item cf::lock_wait $string 358=item cf::lock_wait $string
220 359
221Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
222 361
223=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
224 363
225Wait 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
226a 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,
227for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
228returned. 367returned.
229 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
230Lock 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
231uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
232 374
233=cut 375=item $locked = cf::lock_active $string
234 376
235our %LOCK; 377Return true if the lock is currently active, i.e. somebody has locked it.
378
379=cut
380
381our $LOCKS = new Coro::SemaphoreSet;
236 382
237sub lock_wait($) { 383sub lock_wait($) {
238 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
239
240 # wait for lock, if any
241 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule;
244 }
245} 385}
246 386
247sub lock_acquire($) { 387sub lock_acquire($) {
248 my ($key) = @_; 388 $LOCKS->guard ($_[0])
389}
249 390
250 # wait, to be sure we are not locked 391sub lock_active($) {
251 lock_wait $key; 392 $LOCKS->count ($_[0]) < 1
252
253 $LOCK{$key} = [];
254
255 Coro::guard {
256 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} };
258 }
259} 393}
260 394
261sub freeze_mainloop { 395sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
263 397
264 my $guard = Coro::guard { 398 &Guard::guard (\&tick_inhibit_dec);
265 $TICK_WATCHER->start; 399}
266 $WRITE_RUNTIME_WATCHER->start; 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($$) {
409 my ($interval, $cb) = @_;
410
411 my $start = rand List::Util::min 180, $interval;
412
413 EV::periodic $start, $interval, 0, $cb
414}
415
416=item cf::get_slot $time[, $priority[, $name]]
417
418Allocate $time seconds of blocking CPU time at priority C<$priority>:
419This call blocks and returns only when you have at least C<$time> seconds
420of cpu time till the next tick. The slot is only valid till the next cede.
421
422The optional C<$name> can be used to identify the job to run. It might be
423used for statistical purposes and should identify the same time-class.
424
425Useful for short background jobs.
426
427=cut
428
429our @SLOT_QUEUE;
430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
432
433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
434$SLOT_QUEUE = Coro::async {
435 $Coro::current->desc ("timeslot manager");
436
437 my $signal = new Coro::Signal;
438 my $busy;
439
440 while () {
441 next_job:
442
443 my $avail = cf::till_tick;
444
445 for (0 .. $#SLOT_QUEUE) {
446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
448 my $job = splice @SLOT_QUEUE, $_, 1, ();
449 $job->[2]->send;
450 Coro::cede;
451 goto next_job;
452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
454 }
455 }
456
457 if (@SLOT_QUEUE) {
458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
459 push @cf::WAIT_FOR_TICK, $signal;
460 $signal->wait;
461 } else {
462 $busy = 0;
463 Coro::schedule;
464 }
267 }; 465 }
268 $WRITE_RUNTIME_WATCHER->stop; 466};
269 $TICK_WATCHER->stop; 467
270 $guard 468sub get_slot($;$$) {
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 $sig->wait;
271} 481}
272 482
273=item cf::async { BLOCK } 483=item cf::async { BLOCK }
274 484
275Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
280 490
281BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
282 492
283=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
284 494
285The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
288 499
289If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
292fast or be very important. 503fast or be very important.
295 506
296sub sync_job(&) { 507sub sync_job(&) {
297 my ($job) = @_; 508 my ($job) = @_;
298 509
299 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
511 my $time = AE::time;
512
300 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
302 515
303 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 517
305 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
306 519
307 my $busy = 1; 520 my $busy = 1;
308 my @res; 521 my @res;
309 522
310 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 525 @res = eval { $job->() };
312 warn $@ if $@; 526 warn $@ if $@;
313 undef $busy; 527 undef $busy;
314 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
315 529
316 while ($busy) { 530 while ($busy) {
317 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
318 } 535 }
536 }
537
538 my $time = AE::time - $time;
539
540 $TICK_START += $time; # do not account sync jobs to server load
319 541
320 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
321 } else { 543 } else {
322 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
323 545
343 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
344 566
345 $coro 567 $coro
346} 568}
347 569
348sub write_runtime { 570=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 571
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572Executes the given code block with the given arguments in a seperate
352 or return; 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.
353 576
354 my $value = $cf::RUNTIME + 90 + 10; 577=cut
355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357 578
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 579sub fork_call(&@) {
359 and return; 580 my ($cb, @args) = @_;
360 581
361 aio_fsync $fh 582 # we seemingly have to make a local copy of the whole thing,
362 and return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
363 585
364 close $fh 586 my @res = Coro::Util::fork_eval {
365 or return; 587 reset_signals;
588 &$cb
589 }, @args;
366 590
367 aio_rename "$runtime~", $runtime 591 wantarray ? @res : $res[-1]
368 and return; 592}
369 593
594sub objinfo {
370 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"
757}
758
759=item cf::datalog type => key => value, ...
760
761Log a datalog packet of the given type with the given key-value pairs.
762
763=cut
764
765sub datalog($@) {
766 my ($type, %kv) = @_;
767 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371} 768}
372 769
373=back 770=back
374 771
375=cut 772=cut
376 773
377############################################################################# 774#############################################################################
378 775
379=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
380 777
381Many 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
382attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
383to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
384 781
385In 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>
386C<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
387crossfire+). 784Deliantra).
388 785
389=over 4 786=over 4
390 787
391=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
392 789
436=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
437 834
438Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
439given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
440 837
441Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
442that 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.
443 840
444These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
445 842
446=over 4 843=over 4
555 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
556 953
557 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
558 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
559 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
560 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561 958
562 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
563 my $pkg = shift @arg; 960 my $pkg = shift @arg;
564 961
565 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
594 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
595 } 992 }
596 993
597 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
598 } else { 995 } else {
599 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
600 } 997 }
601 998
602 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
603} 1000}
604 1001
606 if (ref $_[0]) { 1003 if (ref $_[0]) {
607 _object_attach @_; 1004 _object_attach @_;
608 } else { 1005 } else {
609 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
610 } 1007 }
1008 _recalc_want;
611}; 1009};
612 1010
613# all those should be optimised 1011# all those should be optimised
614sub cf::attachable::detach { 1012sub cf::attachable::detach {
615 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
618 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
619 reattach ($obj); 1017 reattach ($obj);
620 } else { 1018 } else {
621 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
622 } 1020 }
1021 _recalc_want;
623}; 1022};
624 1023
625sub cf::attachable::attached { 1024sub cf::attachable::attached {
626 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
627 1026
642 "; 1041 ";
643 die if $@; 1042 die if $@;
644} 1043}
645 1044
646our $override; 1045our $override;
647our @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?
648 1047
649sub override { 1048sub override {
650 $override = 1; 1049 $override = 1;
651 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
652} 1051}
653 1052
654sub do_invoke { 1053sub do_invoke {
655 my $event = shift; 1054 my $event = shift;
656 my $callbacks = shift; 1055 my $callbacks = shift;
657 1056
658 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
659 1058
660 local $override; 1059 local $override;
661 1060
662 for (@$callbacks) { 1061 for (@$callbacks) {
663 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
672 } 1071 }
673 1072
674 0 1073 0
675} 1074}
676 1075
677=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678 1077
679=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680 1079
681Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
682 1081
683This 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
684removed 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
685results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686 1085
687=back 1086=back
688 1087
689=cut 1088=cut
690 1089
691############################################################################# 1090#############################################################################
692# 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, $ob2
1133}
693 1134
694sub reattach { 1135sub reattach {
695 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
696 my ($obj) = @_; 1137 my ($obj) = @_;
697 1138
1139 # no longer needed after getting rid of delete_package?
698 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
699 1141
700 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
701 1143
702 @$registry = (); 1144 @$registry = ();
703 1145
718cf::attachable->attach ( 1160cf::attachable->attach (
719 prio => -1000000, 1161 prio => -1000000,
720 on_instantiate => sub { 1162 on_instantiate => sub {
721 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
722 1164
723 $data = from_json $data; 1165 $data = decode_json $data;
724 1166
725 for (@$data) { 1167 for (@$data) {
726 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
727 1169
728 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
744sub object_freezer_save { 1186sub object_freezer_save {
745 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
746 1188
747 sync_job { 1189 sync_job {
748 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
749 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
750 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
751 1194
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1197 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
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;
755 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
756 close $fh; 1202 aio_close $fh;
757 1203
758 if (@$objs) { 1204 if (@$objs) {
759 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) {
760 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 1208 aio_write $fh, 0, (length $data), $data, 0;
1209 if ($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;
763 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
764 close $fh; 1213 aio_close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
766 } 1215 }
767 } else { 1216 } else {
768 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
769 } 1218 }
770 1219
771 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
772 } else { 1224 } else {
773 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
774 } 1226 }
775 } else { 1227 } else {
776 aio_unlink $filename; 1228 aio_unlink $filename;
777 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
778 } 1230 }
779 } 1231 };
780} 1232}
781 1233
782sub object_freezer_as_string { 1234sub object_freezer_as_string {
783 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
784 1236
796 or return; 1248 or return;
797 1249
798 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
799 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
800 or return; 1252 or return;
1253
801 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
802 } 1256 }
803 1257
1258 utf8::decode (my $decname = $filename);
804 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
805 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
806 return ($data, $av); 1262 ($data, $av)
807} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
808 1270
809############################################################################# 1271#############################################################################
810# command handling &c 1272# command handling &c
811 1273
812=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
825 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
826} 1288}
827 1289
828=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
829 1291
830Register 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.
831 1297
832If 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
833called. 1299called.
834 1300
1301=item cf::register_exticmd $name => \&callback($ns,$packet);
1302
1303Register a callback for execution when the client sends an (asynchronous)
1304exticmd packet. Exti commands are processed by the server as soon as they
1305are received, i.e. out of order w.r.t. other commands. The first argument
1306is a client socket. Exti commands can be received anytime, even before
1307log-in.
1308
1309If the callback returns something, it is sent back as if reply was being
1310called.
1311
835=cut 1312=cut
836 1313
837sub register_extcmd { 1314sub register_extcmd {
838 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
839 1316
840 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
841} 1318}
842 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
843cf::player->attach ( 1328cf::player->attach (
844 on_command => sub { 1329 on_unknown_command => sub {
845 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
846 1331
847 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
848 or return; 1333 or return;
849 1334
854 cf::override; 1339 cf::override;
855 }, 1340 },
856 on_extcmd => sub { 1341 on_extcmd => sub {
857 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
858 1343
859 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860 1345
861 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
862 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
863 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
864 $pl->ext_reply ($msg->{msgid}, %reply);
865 }
866 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
867 } else { 1361 } else {
868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869 } 1363 }
870 1364
871 cf::override; 1365 cf::override;
872 }, 1366 },
873); 1367);
874 1368
1369# "readahead" all extensions
875sub load_extension { 1370sub cache_extensions {
876 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
877 1372
878 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
880 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881 $pkg =~ s/[^[:word:]]/_/g;
882 $pkg = "ext::$pkg";
883
884 warn "... loading '$path' into '$pkg'\n";
885
886 open my $fh, "<:utf8", $path
887 or die "$path: $!";
888
889 my $source =
890 "package $pkg; use strict; use utf8;\n"
891 . "#line 1 \"$path\"\n{\n"
892 . (do { local $/; <$fh> })
893 . "\n};\n1";
894
895 unless (eval $source) {
896 my $msg = $@ ? "$path: $@\n"
897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 } 1376 }
903 die $@;
904 } 1377 };
905 1378
906 push @EXTS, $pkg; 1379 $grp
907} 1380}
908 1381
909sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
910 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
911 next unless -r $ext; 1387 next unless -r $path;
912 eval { 1388
913 load_extension $ext; 1389 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1390 my $base = $1;
1391 my $pkg = $1;
1392 $pkg =~ s/[^[:word:]]/_/g;
1393 $pkg = "ext::$pkg";
1394
1395 open my $fh, "<:utf8", $path
1396 or die "$path: $!";
1397
1398 my $source = do { local $/; <$fh> };
1399
1400 my %ext = (
1401 path => $path,
1402 base => $base,
1403 pkg => $pkg,
1404 );
1405
1406 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1407 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1408
1409 $ext{source} =
1410 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1411 . "#line 1 \"$path\"\n{\n"
1412 . $source
1413 . "\n};\n1";
1414
1415 $todo{$base} = \%ext;
1416 }
1417
1418 my $pass = 0;
1419 my %done;
1420 while (%todo) {
1421 my $progress;
1422
1423 ++$pass;
1424
1425 ext:
1426 while (my ($k, $v) = each %todo) {
1427 for (split /,\s*/, $v->{meta}{depends}) {
1428 next ext
1429 unless exists $done{$_};
1430 }
1431
1432 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1433
1434 my $active = eval $v->{source};
1435
1436 if (length $@) {
1437 warn "$v->{path}: $@\n";
1438
1439 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1440 if exists $v->{meta}{mandatory};
1441 } else {
1442 $done{$k} = delete $todo{$k};
1443 push @EXTS, $v->{pkg};
1444 $progress = 1;
1445
1446 warn "$v->{base}: extension inactive.\n"
1447 unless $active;
1448 }
914 1 1449 }
915 } or warn "$ext not loaded: $@"; 1450
1451 unless ($progress) {
1452 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
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 }
1459 }
916 } 1460 };
917} 1461}
918 1462
919############################################################################# 1463#############################################################################
920 1464
1465=back
1466
921=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
922 1468
923Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
924 1470
925=cut 1471=cut
926 1472
927package cf::player; 1473package cf::player;
928 1474
930 1476
931=head3 cf::player 1477=head3 cf::player
932 1478
933=over 4 1479=over 4
934 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}
1494
935=item cf::player::find $login 1495=item cf::player::find $login
936 1496
937Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
938 1498
939=cut 1499=cut
940 1500
941sub playerdir($) { 1501sub playerdir($) {
942 cf::localdir 1502 "$PLAYERDIR/"
943 . "/"
944 . cf::playerdir
945 . "/"
946 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
947} 1504}
948 1505
949sub path($) { 1506sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 1508
952 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
953} 1510}
954 1511
955sub find_active($) { 1512sub find_active($) {
956 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
960 1517
961sub exists($) { 1518sub exists($) {
962 my ($login) = @_; 1519 my ($login) = @_;
963 1520
964 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
965 or cf::sync_job { !aio_stat path $login } 1522 or !aio_stat path $login
966} 1523}
967 1524
968sub find($) { 1525sub find($) {
969 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
970 my $login = $_[0]; 1527 my $login = $_[0];
971 1528
972 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
973 1530
974 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
975 my $pl = load_pl path $login 1532 # rename old playerfiles to new ones
1533 #TODO: remove when no longer required
1534 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1535 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1536 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1537 aio_unlink +(playerdir $login) . "/$login.pl";
1538
1539 my $f = new_from_file cf::object::thawer path $login
976 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;
977 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
978 } 1548 }
979 } 1549 }
980} 1550}
1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($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);
981 1564
982sub save($) { 1565sub save($) {
983 my ($pl) = @_; 1566 my ($pl) = @_;
984 1567
985 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
990 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
991 1574
992 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
993 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
994 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
995 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
996 Coro::cede; 1584 cf::cede_to_tick;
997} 1585}
998 1586
999sub new($) { 1587sub new($) {
1000 my ($login) = @_; 1588 my ($login) = @_;
1001 1589
1007 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1008 1596
1009 $self 1597 $self
1010} 1598}
1011 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
1012=item $pl->quit_character 1610=item $pl->quit_character
1013 1611
1014Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1016 1614
1017=cut 1615=cut
1018 1616
1019sub quit_character { 1617sub quit_character {
1020 my ($pl) = @_; 1618 my ($pl) = @_;
1021 1619
1620 my $name = $pl->ob->name;
1621
1022 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1023 $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
1024 1624
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1027 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1028 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1029 1631
1030 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1034 $pl->destroy; 1636 $pl->destroy;
1637
1638 my $prefix = qr<^~\Q$name\E/>;
1639
1640 # nuke player maps
1641 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1642
1035 IO::AIO::aio_rmtree $temp; 1643 IO::AIO::aio_rmtree $temp;
1644}
1645
1646=item $pl->kick
1647
1648Kicks a player out of the game. This destroys the connection.
1649
1650=cut
1651
1652sub kick {
1653 my ($pl, $kicker) = @_;
1654
1655 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1656 $pl->killer ("kicked");
1657 $pl->ns->destroy;
1036} 1658}
1037 1659
1038=item cf::player::list_logins 1660=item cf::player::list_logins
1039 1661
1040Returns am arrayref of all valid playernames in the system, can take a 1662Returns am arrayref of all valid playernames in the system, can take a
1041while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1042 1664
1043=cut 1665=cut
1044 1666
1045sub list_logins { 1667sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1047 or return []; 1669 or return [];
1048 1670
1049 my @logins; 1671 my @logins;
1050 1672
1051 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") {
1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1054 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1055 1683
1056 utf8::decode $login; 1684 utf8::decode $login;
1057 push @logins, $login; 1685 push @logins, $login;
1058 } 1686 }
1059 1687
1067 1695
1068=cut 1696=cut
1069 1697
1070sub maps($) { 1698sub maps($) {
1071 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1072 1702
1073 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1074 or return; 1704 or return;
1075 1705
1076 my @paths; 1706 my @paths;
1078 for (@$files) { 1708 for (@$files) {
1079 utf8::decode $_; 1709 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1082 1712
1083 s/\.map$//; 1713 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1714 }
1086 1715
1087 \@paths 1716 \@paths
1088} 1717}
1089 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1091 1724
1092Sends an ext reply to the player. 1725Sends an ext reply to the player.
1093 1726
1094=cut 1727=cut
1095 1728
1096sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1097 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1098 1731
1099 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1100
1101 $self->send ("ext " . cf::to_json \%msg);
1102} 1733}
1103 1734
1104package cf; 1735=item $player->ext_msg ($type, @msg)
1736
1737Sends an ext event to the client.
1738
1739=cut
1740
1741sub ext_msg($$@) {
1742 my ($self, $type, @msg) = @_;
1743
1744 $self->ns->ext_msg ($type, @msg);
1745}
1746
1747=head3 cf::region
1748
1749=over 4
1750
1751=cut
1752
1753package cf::region;
1754
1755=item cf::region::find_by_path $path
1756
1757Tries to decuce the likely region for a map knowing only its path.
1758
1759=cut
1760
1761sub find_by_path($) {
1762 my ($path) = @_;
1763
1764 my ($match, $specificity);
1765
1766 for my $region (list) {
1767 if ($region->{match} && $path =~ $region->{match}) {
1768 ($match, $specificity) = ($region, $region->specificity)
1769 if $region->specificity > $specificity;
1770 }
1771 }
1772
1773 $match
1774}
1105 1775
1106=back 1776=back
1107
1108 1777
1109=head3 cf::map 1778=head3 cf::map
1110 1779
1111=over 4 1780=over 4
1112 1781
1124our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1125our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1126 1795
1127sub generate_random_map { 1796sub generate_random_map {
1128 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
1129 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1130 $self->_create_random_map ( 1802 $self->_create_random_map (
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1135 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1167 my ($self, $merge) = @_; 1839 my ($self, $merge) = @_;
1168 1840
1169 # we have to keep some variables in memory intact 1841 # we have to keep some variables in memory intact
1170 local $self->{path}; 1842 local $self->{path};
1171 local $self->{load_path}; 1843 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174 1844
1175 $self->SUPER::thawer_merge ($merge); 1845 $self->SUPER::thawer_merge ($merge);
1176} 1846}
1177 1847
1178sub normalise { 1848sub normalise {
1179 my ($path, $base) = @_; 1849 my ($path, $base) = @_;
1850
1851 $path = "$path"; # make sure its a string
1852
1853 $path =~ s/\.map$//;
1180 1854
1181 # map plan: 1855 # map plan:
1182 # 1856 #
1183 # /! non-realised random map exit (special hack!) 1857 # /! non-realised random map exit (special hack!)
1184 # {... are special paths that are not being touched 1858 # {... are special paths that are not being touched
1221 $self->init; # pass $1 etc. 1895 $self->init; # pass $1 etc.
1222 return $self; 1896 return $self;
1223 } 1897 }
1224 } 1898 }
1225 1899
1226 Carp::carp "unable to resolve path '$path'."; 1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1227 () 1901 ()
1228} 1902}
1229 1903
1230sub init { 1904sub init {
1231 my ($self) = @_; 1905 my ($self) = @_;
1246 1920
1247# the original (read-only) location 1921# the original (read-only) location
1248sub load_path { 1922sub load_path {
1249 my ($self) = @_; 1923 my ($self) = @_;
1250 1924
1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1925 "$MAPDIR/$self->{path}.map"
1252} 1926}
1253 1927
1254# the temporary/swap location 1928# the temporary/swap location
1255sub save_path { 1929sub save_path {
1256 my ($self) = @_; 1930 my ($self) = @_;
1257 1931
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1933 "$TMPDIR/$path.map"
1260} 1934}
1261 1935
1262# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1263sub uniq_path { 1937sub uniq_path {
1264 my ($self) = @_; 1938 my ($self) = @_;
1265 1939
1266 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1941 "$UNIQUEDIR/$path"
1268} 1942}
1269 1943
1270# and all this just because we cannot iterate over 1944sub decay_objects {
1271# all maps in C++...
1272sub change_all_map_light {
1273 my ($change) = @_; 1945 my ($self) = @_;
1274 1946
1275 $_->change_map_light ($change) 1947 return if $self->{deny_reset};
1276 for grep $_->outdoor, values %cf::MAP; 1948
1949 $self->do_decay_objects;
1277} 1950}
1278 1951
1279sub unlink_save { 1952sub unlink_save {
1280 my ($self) = @_; 1953 my ($self) = @_;
1281 1954
1286 1959
1287sub load_header_from($) { 1960sub load_header_from($) {
1288 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1289 1962
1290 utf8::encode $path; 1963 utf8::encode $path;
1291 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1292 or return; 1965 or return;
1293 1966
1294 $self->_load_header ($path) 1967 $self->_load_header ($f)
1295 or return; 1968 or return;
1296 1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1972
1297 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1298 1974
1299 1 1975 1
1300} 1976}
1301 1977
1302sub load_orig { 1978sub load_header_orig {
1303 my ($self) = @_; 1979 my ($self) = @_;
1304 1980
1305 $self->load_header_from ($self->load_path) 1981 $self->load_header_from ($self->load_path)
1306} 1982}
1307 1983
1308sub load_temp { 1984sub load_header_temp {
1309 my ($self) = @_; 1985 my ($self) = @_;
1310 1986
1311 $self->load_header_from ($self->save_path) 1987 $self->load_header_from ($self->save_path)
1988}
1989
1990sub prepare_temp {
1991 my ($self) = @_;
1992
1993 $self->last_access ((delete $self->{last_access})
1994 || $cf::RUNTIME); #d#
1995 # safety
1996 $self->{instantiate_time} = $cf::RUNTIME
1997 if $self->{instantiate_time} > $cf::RUNTIME;
1998}
1999
2000sub prepare_orig {
2001 my ($self) = @_;
2002
2003 $self->{load_original} = 1;
2004 $self->{instantiate_time} = $cf::RUNTIME;
2005 $self->last_access ($cf::RUNTIME);
2006 $self->instantiate;
1312} 2007}
1313 2008
1314sub load_header { 2009sub load_header {
1315 my ($self) = @_; 2010 my ($self) = @_;
1316 2011
1317 if ($self->load_temp) { 2012 if ($self->load_header_temp) {
1318 $self->last_access ((delete $self->{last_access}) 2013 $self->prepare_temp;
1319 || $cf::RUNTIME); #d#
1320 # safety
1321 $self->{instantiate_time} = $cf::RUNTIME
1322 if $self->{instantiate_time} > $cf::RUNTIME;
1323 } else { 2014 } else {
1324 $self->load_orig 2015 $self->load_header_orig
1325 or return; 2016 or return;
1326 2017 $self->prepare_orig;
1327 $self->{load_original} = 1;
1328 $self->{instantiate_time} = $cf::RUNTIME;
1329 $self->last_access ($cf::RUNTIME);
1330 $self->instantiate;
1331 } 2018 }
2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
1332 2025
1333 1 2026 1
1334} 2027}
1335 2028
1336sub find; 2029sub find;
1337sub find { 2030sub find {
1338 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1339 2032
1340 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1341 2034
2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1342 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1343 2037
1344 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1345 my $guard = cf::lock_acquire "map_find:$path";
1346 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1347 or return; 2040 or return;
1348 2041
1349 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1350 2043
1351 $map->load_header 2044 $map->load_header
1352 or return; 2045 or return;
1353 2046
1354 if ($map->should_reset) { 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1356 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1357 $map->reset; 2052 $map->reset;
1358 undef $guard;
1359 $map = find $path 2053 return find $path;
1360 or return;
1361 } 2054 }
1362 2055
1363 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1364 } 2057 }
1365} 2058}
2059
2060sub pre_load { }
2061#sub post_load { } # XS
1366 2062
1367sub load { 2063sub load {
1368 my ($self) = @_; 2064 my ($self) = @_;
1369 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1370 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1371 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1372 2072
2073 return unless $self->valid;
1373 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1374 2075
1375 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1376 2077
1377 $self->alloc; 2078 $self->alloc;
1378 $self->_load_objects ($self->{load_path}, 1) 2079
2080 $self->pre_load;
2081 cf::cede_to_tick;
2082
2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1379 or return; 2086 or return;
1380 2087
1381 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1382 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1383 2090
1384 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1385 utf8::encode $uniq; 2092 utf8::encode $uniq;
1386 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1387 $self->clear_unique_items; 2095 $self->clear_unique_items;
1388 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1389 } 2099 }
1390 } 2100 }
1391 2101
1392 Coro::cede; 2102 $f->resolve_delayed_derefs;
1393 2103
2104 cf::cede_to_tick;
1394 # now do the right thing for maps 2105 # now do the right thing for maps
1395 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1396
1397 unless ($self->{deny_activate}) {
1398 $self->decay_objects;
1399 $self->fix_auto_apply;
1400 $self->update_buttons;
1401 Coro::cede;
1402 $self->set_darkness_map;
1403 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1404 unless $self->difficulty; 2108 unless $self->difficulty;
1405 Coro::cede; 2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
1406 $self->activate; 2116 $self->activate;
1407 } 2117 }
1408 2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
1409 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1410} 2123 }
1411 2124
2125 $self->post_load;
2126}
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
1412sub customise_for { 2131sub customise_for {
1413 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
1414 2133
1415 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
1416 if $self->per_player; 2135 if $self->per_player;
1417 2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
1418 $self 2140 $self
1419} 2141}
1420 2142
1421# 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
1422sub load_diag { 2144sub load_neighbours {
1423 my ($map) = @_; 2145 my ($map) = @_;
1424 2146
1425 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1426 2148
1427 for (0 .. 3) { 2149 for (0 .. 3) {
1428 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1429 or next; 2151 or next;
1430 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1431 or next; 2153 or next;
1432 $neigh->load; 2154 $neigh->load;
1433 2155
2156 push @neigh,
1434 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1435 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1436 } 2159 }
1437 2160
1438 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1439 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1440 or next; 2164 or next;
1441 $neigh->load; 2165 $neigh->load;
1442 } 2166 }
1443} 2167}
1444 2168
1449} 2173}
1450 2174
1451sub do_load_sync { 2175sub do_load_sync {
1452 my ($map) = @_; 2176 my ($map) = @_;
1453 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1454 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1455} 2182}
1456 2183
1457our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
1458our $MAP_PREFETCHER = undef; 2185our $MAP_PREFETCHER = undef;
1459 2186
1460sub find_async { 2187sub find_async {
1461 my ($path, $origin) = @_; 2188 my ($path, $origin, $load) = @_;
1462 2189
1463 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
1464 2191
1465 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1467 } 2194 }
1468 2195
1469 undef $MAP_PREFETCH{$path}; 2196 $MAP_PREFETCH{$path} |= $load;
2197
1470 $MAP_PREFETCHER ||= cf::async { 2198 $MAP_PREFETCHER ||= cf::async {
2199 $Coro::current->{desc} = "map prefetcher";
2200
1471 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1472 for my $path (keys %MAP_PREFETCH) { 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1473 my $map = find $path 2203 if (my $map = find $k) {
1474 or next;
1475 $map->load; 2204 $map->load if $v;
2205 }
1476 2206
1477 delete $MAP_PREFETCH{$path}; 2207 delete $MAP_PREFETCH{$k};
1478 } 2208 }
1479 } 2209 }
1480 undef $MAP_PREFETCHER; 2210 undef $MAP_PREFETCHER;
1481 }; 2211 };
2212 $MAP_PREFETCHER->prio (6);
1482 2213
1483 () 2214 ()
1484} 2215}
1485 2216
1486sub save { 2217sub save {
1487 my ($self) = @_; 2218 my ($self) = @_;
1488 2219
1489 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1490 2221
1491 $self->{last_save} = $cf::RUNTIME; 2222 $self->{last_save} = $cf::RUNTIME;
1492 2223
1493 return unless $self->dirty; 2224 return unless $self->dirty;
1494 2225
1500 return if $self->{deny_save}; 2231 return if $self->{deny_save};
1501 2232
1502 local $self->{last_access} = $self->last_access;#d# 2233 local $self->{last_access} = $self->last_access;#d#
1503 2234
1504 cf::async { 2235 cf::async {
2236 $Coro::current->{desc} = "map player save";
1505 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
1506 }; 2238 };
2239
2240 cf::get_slot 0.02;
1507 2241
1508 if ($uniq) { 2242 if ($uniq) {
1509 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1511 } else { 2245 } else {
1517 my ($self) = @_; 2251 my ($self) = @_;
1518 2252
1519 # save first because save cedes 2253 # save first because save cedes
1520 $self->save; 2254 $self->save;
1521 2255
1522 my $lock = cf::lock_acquire "map_data:" . $self->path; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
1523 2257
1524 return if $self->players; 2258 return if $self->players;
1525 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
1526 return if $self->{deny_save}; 2260 return if $self->{deny_save};
1527 2261
2262 $self->in_memory (cf::MAP_SWAPPED);
2263
2264 $self->deactivate;
2265 $_->clear_links_to ($self) for values %cf::MAP;
1528 $self->clear; 2266 $self->clear;
1529 $self->in_memory (cf::MAP_SWAPPED);
1530} 2267}
1531 2268
1532sub reset_at { 2269sub reset_at {
1533 my ($self) = @_; 2270 my ($self) = @_;
1534 2271
1535 # TODO: safety, remove and allow resettable per-player maps 2272 # TODO: safety, remove and allow resettable per-player maps
1536 return 1e99 if $self->isa ("ext::map_per_player");#d#
1537 return 1e99 if $self->{deny_reset}; 2273 return 1e99 if $self->{deny_reset};
1538 2274
1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2275 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2276 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541 2277
1552 my ($self) = @_; 2288 my ($self) = @_;
1553 2289
1554 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
1555 2291
1556 return if $self->players; 2292 return if $self->players;
1557 return if $self->isa ("ext::map_per_player");#d#
1558 2293
1559 warn "resetting map ", $self->path;#d# 2294 warn "resetting map ", $self->path, "\n";
2295
2296 $self->in_memory (cf::MAP_SWAPPED);
2297
2298 # need to save uniques path
2299 unless ($self->{deny_save}) {
2300 my $uniq = $self->uniq_path; utf8::encode $uniq;
2301
2302 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2303 if $uniq;
2304 }
1560 2305
1561 delete $cf::MAP{$self->path}; 2306 delete $cf::MAP{$self->path};
1562 2307
1563 $self->in_memory (cf::MAP_SWAPPED); 2308 $self->deactivate;
2309 $_->clear_links_to ($self) for values %cf::MAP;
1564 $self->clear; 2310 $self->clear;
1565
1566 $_->clear_links_to ($self) for values %cf::MAP;
1567 2311
1568 $self->unlink_save; 2312 $self->unlink_save;
1569 $self->destroy; 2313 $self->destroy;
1570} 2314}
1571 2315
1572my $nuke_counter = "aaaa"; 2316my $nuke_counter = "aaaa";
1573 2317
1574sub nuke { 2318sub nuke {
1575 my ($self) = @_; 2319 my ($self) = @_;
1576 2320
2321 {
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
1577 delete $cf::MAP{$self->path}; 2324 delete $cf::MAP{$self->path};
1578 2325
1579 $self->unlink_save; 2326 $self->unlink_save;
1580 2327
1581 bless $self, "cf::map"; 2328 bless $self, "cf::map";
1582 delete $self->{deny_reset}; 2329 delete $self->{deny_reset};
1583 $self->{deny_save} = 1; 2330 $self->{deny_save} = 1;
1584 $self->reset_timeout (1); 2331 $self->reset_timeout (1);
1585 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2332 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586 2333
1587 $cf::MAP{$self->path} = $self; 2334 $cf::MAP{$self->path} = $self;
2335 }
1588 2336
1589 $self->reset; # polite request, might not happen 2337 $self->reset; # polite request, might not happen
2338}
2339
2340=item $maps = cf::map::tmp_maps
2341
2342Returns an arrayref with all map paths of currently instantiated and saved
2343maps. May block.
2344
2345=cut
2346
2347sub tmp_maps() {
2348 [
2349 map {
2350 utf8::decode $_;
2351 /\.map$/
2352 ? normalise $_
2353 : ()
2354 } @{ aio_readdir $TMPDIR or [] }
2355 ]
2356}
2357
2358=item $maps = cf::map::random_maps
2359
2360Returns an arrayref with all map paths of currently instantiated and saved
2361random maps. May block.
2362
2363=cut
2364
2365sub random_maps() {
2366 [
2367 map {
2368 utf8::decode $_;
2369 /\.map$/
2370 ? normalise "?random/$_"
2371 : ()
2372 } @{ aio_readdir $RANDOMDIR or [] }
2373 ]
1590} 2374}
1591 2375
1592=item cf::map::unique_maps 2376=item cf::map::unique_maps
1593 2377
1594Returns an arrayref of paths of all shared maps that have 2378Returns an arrayref of paths of all shared maps that have
1595instantiated unique items. May block. 2379instantiated unique items. May block.
1596 2380
1597=cut 2381=cut
1598 2382
1599sub unique_maps() { 2383sub unique_maps() {
1600 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2384 [
1601 or return; 2385 map {
1602
1603 my @paths;
1604
1605 for (@$files) {
1606 utf8::decode $_; 2386 utf8::decode $_;
1607 next if /\.pst$/; 2387 s/\.map$//; # TODO future compatibility hack
1608 next unless /^$PATH_SEP/o; 2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2389 ? ()
2390 : normalise $_
2391 } @{ aio_readdir $UNIQUEDIR or [] }
2392 ]
2393}
1609 2394
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) {
1610 s/\.map$//; 2416 s/\.map$// or next;
1611 push @paths, $_; 2417 utf8::decode $_;
1612 } 2418 push @maps, "$dir/$_";
2419 }
1613 2420
1614 \@paths 2421 push @dirs, map "$dir/$_", @$dirs;
1615} 2422 }
1616 2423
1617package cf; 2424 \@maps
2425}
1618 2426
1619=back 2427=back
1620 2428
1621=head3 cf::object 2429=head3 cf::object
1622 2430
1626 2434
1627=over 4 2435=over 4
1628 2436
1629=item $ob->inv_recursive 2437=item $ob->inv_recursive
1630 2438
1631Returns 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.
1632 2441
1633=cut 2442=cut
1634 2443
1635sub inv_recursive_; 2444sub inv_recursive_;
1636sub inv_recursive_ { 2445sub inv_recursive_ {
1639 2448
1640sub inv_recursive { 2449sub inv_recursive {
1641 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
1642} 2451}
1643 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
1644package cf; 2481package cf;
1645 2482
1646=back 2483=back
1647 2484
1648=head3 cf::object::player 2485=head3 cf::object::player
1654Sends 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>
1655can 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
1656dialogue with the given NPC character. 2493dialogue with the given NPC character.
1657 2494
1658=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};
1659 2510
1660# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
1661# with dialog boxes. 2512# with dialog boxes.
1662#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
1663sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
1665 2516
1666 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2517 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667 2518
1668 if ($self->{record_replies}) { 2519 if ($self->{record_replies}) {
1669 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2520 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2521
1670 } 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 {
1671 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
1672 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2532 }
1673 } 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 (@_);
1674} 2544}
1675 2545
1676=item $player_object->may ("access") 2546=item $player_object->may ("access")
1677 2547
1678Returns wether the given player is authorized to access resource "access" 2548Returns wether the given player is authorized to access resource "access"
1691 2561
1692=item $player_object->enter_link 2562=item $player_object->enter_link
1693 2563
1694Freezes 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}>).
1695 2565
1696The 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.
1697I<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.
1698 2570
1699Will never block. 2571Will never block.
1700 2572
1701=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
1702 2574
1710=cut 2582=cut
1711 2583
1712sub link_map { 2584sub link_map {
1713 unless ($LINK_MAP) { 2585 unless ($LINK_MAP) {
1714 $LINK_MAP = cf::map::find "{link}" 2586 $LINK_MAP = cf::map::find "{link}"
1715 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2587 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716 $LINK_MAP->load; 2588 $LINK_MAP->load;
1717 } 2589 }
1718 2590
1719 $LINK_MAP 2591 $LINK_MAP
1720} 2592}
1725 $self->deactivate_recursive; 2597 $self->deactivate_recursive;
1726 2598
1727 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2599 return if UNIVERSAL::isa $self->map, "ext::map_link";
1728 2600
1729 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2601 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730 if $self->map; 2602 if $self->map && $self->map->{path} ne "{link}";
1731 2603
1732 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2604 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1733} 2605}
1734 2606
1735sub cf::object::player::leave_link { 2607sub cf::object::player::leave_link {
1736 my ($self, $map, $x, $y) = @_; 2608 my ($self, $map, $x, $y) = @_;
2609
2610 return unless $self->contr->active;
1737 2611
1738 my $link_pos = delete $self->{_link_pos}; 2612 my $link_pos = delete $self->{_link_pos};
1739 2613
1740 unless ($map) { 2614 unless ($map) {
1741 # restore original map position 2615 # restore original map position
1752 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
1753 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
1754 2628
1755 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
1756 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
1757 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
1758 2632
1759 $map->load; 2633 $map->load;
1760 $map->load_diag; 2634 $map->load_neighbours;
1761 2635
1762 return unless $self->contr->active; 2636 return unless $self->contr->active;
2637
2638 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2639 $self->enter_map ($map, $x, $y);
2640
2641 # only activate afterwards, to support waiting in hooks
1763 $self->activate_recursive; 2642 $self->activate_recursive;
1764 $self->enter_map ($map, $x, $y);
1765} 2643}
1766 2644
1767cf::player->attach ( 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768 on_logout => sub {
1769 my ($pl) = @_;
1770 2646
1771 # abort map switching before logout 2647Moves the player to the given map-path and coordinates by first freezing
1772 if ($pl->ob->{_link_pos}) { 2648her, loading and preparing them map, calling the provided $check callback
1773 cf::sync_job { 2649that has to return the map if sucecssful, and then unfreezes the player on
1774 $pl->ob->leave_link 2650the new (success) or old (failed) map position. In either case, $done will
1775 }; 2651be called at the end of this process.
1776 }
1777 },
1778 on_login => sub {
1779 my ($pl) = @_;
1780 2652
1781 # try to abort aborted map switching on player login :) 2653Note that $check will be called with a potentially non-loaded map, so if
1782 # should happen only on crashes 2654it needs a loaded map it has to call C<< ->load >>.
1783 if ($pl->ob->{_link_pos}) {
1784 $pl->ob->enter_link;
1785 (async {
1786 # we need this sleep as the login has a concurrent enter_exit running
1787 # and this sleep increases chances of the player not ending up in scorn
1788 $pl->ob->reply (undef,
1789 "There was an internal problem at your last logout, "
1790 . "the server will try to bring you to your intended destination in a second.",
1791 cf::NDI_RED);
1792 Coro::Timer::sleep 1;
1793 $pl->ob->leave_link;
1794 })->prio (2);
1795 }
1796 },
1797);
1798 2655
1799=item $player_object->goto ($path, $x, $y)
1800
1801=cut 2656=cut
2657
2658our $GOTOGEN;
1802 2659
1803sub cf::object::player::goto { 2660sub cf::object::player::goto {
1804 my ($self, $path, $x, $y) = @_; 2661 my ($self, $path, $x, $y, $check, $done) = @_;
2662
2663 # do generation counting so two concurrent goto's will be executed in-order
2664 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805 2665
1806 $self->enter_link; 2666 $self->enter_link;
1807 2667
1808 (async { 2668 (async {
1809 my $map = cf::map::find $path; 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
2690 my $map = eval {
2691 my $map = defined $path ? cf::map::find $path : undef;
2692
2693 if ($map) {
1810 $map = $map->customise_for ($self) if $map; 2694 $map = $map->customise_for ($self);
1811 2695 $map = $check->($map) if $check && $map;
1812# warn "entering ", $map->path, " at ($x, $y)\n" 2696 } else {
1813# if $map;
1814
1815 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2697 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2698 }
1816 2699
2700 $map
2701 };
2702
2703 if ($@) {
2704 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2705 LOG llevError | logBacktrace, Carp::longmess $@;
2706 }
2707
2708 if ($gen == $self->{_goto_generation}) {
2709 delete $self->{_goto_generation};
1817 $self->leave_link ($map, $x, $y); 2710 $self->leave_link ($map, $x, $y);
2711 }
2712
2713 $done->() if $done;
1818 })->prio (1); 2714 })->prio (1);
1819} 2715}
1820 2716
1821=item $player_object->enter_exit ($exit_object) 2717=item $player_object->enter_exit ($exit_object)
1822 2718
1842} 2738}
1843 2739
1844sub prepare_random_map { 2740sub prepare_random_map {
1845 my ($exit) = @_; 2741 my ($exit) = @_;
1846 2742
1847 my $guard = cf::lock_acquire "exit_prepare:$exit";
1848
1849 # all this does is basically replace the /! path by 2743 # all this does is basically replace the /! path by
1850 # a new random map path (?random/...) with a seed 2744 # a new random map path (?random/...) with a seed
1851 # that depends on the exit object 2745 # that depends on the exit object
1852 2746
1853 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
1854 2748
1855 if ($exit->map) { 2749 if ($exit->map) {
1856 $rmp->{region} = $exit->map->region_name; 2750 $rmp->{region} = $exit->region->name;
1857 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
1858 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
1859 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
1860 } 2756 }
1861 2757
1862 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
1863 2759
1864 my $data = cf::to_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1865 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
1866 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2762 my $meta = "$RANDOMDIR/$md5.meta";
1867 2763
1868 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2764 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869 aio_write $fh, 0, (length $data), $data, 0; 2765 aio_write $fh, 0, (length $data), $data, 0;
1870 undef $fh; 2766 undef $fh;
1871 aio_rename "$meta~", $meta; 2767 aio_rename "$meta~", $meta;
1872 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
1873 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
1874 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
1875 } 2775 }
1876} 2776}
1877 2777
1878sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
1879 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
1881 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
1882 2782
1883 $self->enter_link; 2783 $self->enter_link;
1884 2784
1885 (async { 2785 (async {
1886 $self->deactivate_recursive; # just to be sure 2786 $Coro::current->{desc} = "enter_exit";
2787
1887 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
1888 prepare_random_map $exit 2795 prepare_random_map $exit
1889 if $exit->slaying eq "/!"; 2796 if $exit->slaying eq "/!";
2797 }
1890 2798
1891 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2799 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1892 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
1893 2802
2803 $self->goto ($map, $x, $y);
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
1894 1; 2809 1
1895 }) { 2810 }) {
1896 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
1897 . "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. "
1898 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
1899 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
1900 2815
1901 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
1902 $self->leave_link; 2817 $self->leave_link;
1903 } 2818 }
1904 })->prio (1); 2819 })->prio (1);
1917 2832
1918sub cf::client::send_drawinfo { 2833sub cf::client::send_drawinfo {
1919 my ($self, $text, $flags) = @_; 2834 my ($self, $text, $flags) = @_;
1920 2835
1921 utf8::encode $text; 2836 utf8::encode $text;
1922 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923} 2838}
1924 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
3027=item $client->ext_msg ($type, @msg)
3028
3029Sends an ext event to the client.
3030
3031=cut
3032
3033sub cf::client::ext_msg($$@) {
3034 my ($self, $type, @msg) = @_;
3035
3036 if ($self->extcmd == 2) {
3037 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3038 } elsif ($self->extcmd == 1) { # TODO: remove
3039 push @msg, msgtype => "event_$type";
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 }
3060}
1925 3061
1926=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
1927 3063
1928Queues a query to the client, calling the given callback with 3064Queues a query to the client, calling the given callback with
1929the 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>,
1930C<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>.
1931 3067
1932Queries 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
1933reliable at some point in the future. 3069become reliable at some point in the future.
1934 3070
1935=cut 3071=cut
1936 3072
1937sub cf::client::query { 3073sub cf::client::query {
1938 my ($self, $flags, $text, $cb) = @_; 3074 my ($self, $flags, $text, $cb) = @_;
1946 utf8::encode $text; 3082 utf8::encode $text;
1947 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3083 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948 3084
1949 $self->send_packet ($self->{query_queue}[0][0]) 3085 $self->send_packet ($self->{query_queue}[0][0])
1950 if @{ $self->{query_queue} } == 1; 3086 if @{ $self->{query_queue} } == 1;
3087
3088 1
1951} 3089}
1952 3090
1953cf::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 },
1954 on_reply => sub { 3097 on_reply => sub {
1955 my ($ns, $msg) = @_; 3098 my ($ns, $msg) = @_;
1956 3099
1957 # this weird shuffling is so that direct followup queries 3100 # this weird shuffling is so that direct followup queries
1958 # get handled first 3101 # get handled first
1959 my $queue = delete $ns->{query_queue} 3102 my $queue = delete $ns->{query_queue}
1960 or return; # be conservative, not sure how that can happen, but we saw a crash here 3103 or return; # be conservative, not sure how that can happen, but we saw a crash here
1961 3104
1962 (shift @$queue)->[1]->($msg); 3105 (shift @$queue)->[1]->($msg);
3106 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963 3107
1964 push @{ $ns->{query_queue} }, @$queue; 3108 push @{ $ns->{query_queue} }, @$queue;
1965 3109
1966 if (@{ $ns->{query_queue} } == @$queue) { 3110 if (@{ $ns->{query_queue} } == @$queue) {
1967 if (@$queue) { 3111 if (@$queue) {
1969 } else { 3113 } else {
1970 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3114 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971 } 3115 }
1972 } 3116 }
1973 }, 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 },
1974); 3144);
1975 3145
1976=item $client->async (\&cb) 3146=item $client->async (\&cb)
1977 3147
1978Create a new coroutine, running the specified callback. The coroutine will 3148Create a new coroutine, running the specified callback. The coroutine will
1994 3164
1995 $coro 3165 $coro
1996} 3166}
1997 3167
1998cf::client->attach ( 3168cf::client->attach (
1999 on_destroy => sub { 3169 on_client_destroy => sub {
2000 my ($ns) = @_; 3170 my ($ns) = @_;
2001 3171
2002 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2003 }, 3173 },
2004); 3174);
2019our $safe = new Safe "safe"; 3189our $safe = new Safe "safe";
2020our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
2021 3191
2022$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
2023 3193
2024$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));
2025 3199
2026# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
2027 3201
2028=pod 3202=pod
2029 3203
2030The following fucntions and emthods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
2031 3205
2032 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
2033 cf::object::player player 3211 cf::object::player
2034 cf::player peaceful 3212 player
2035 cf::map trigger 3213
3214 cf::player
3215 peaceful
3216
3217 cf::map
3218 trigger
2036 3219
2037=cut 3220=cut
2038 3221
2039for ( 3222for (
2040 ["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)],
2041 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
2042 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
2043 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
2044) { 3229) {
2045 no strict 'refs'; 3230 no strict 'refs';
2046 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
2047 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2065 3250
2066 my $qcode = $code; 3251 my $qcode = $code;
2067 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2068 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
2069 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
2070 local $_; 3258 local $_;
2071 local @safe::cf::_safe_eval_args = values %vars;
2072 3259
2073 my $eval = 3260 my $eval =
2074 "do {\n" 3261 "do {\n"
2075 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2076 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
2077 . $code 3264 . $code
2078 . "\n}" 3265 . "\n}"
2079 ; 3266 ;
2080 3267
3268 if ($CFG{safe_eval}) {
2081 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
2082 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2083 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 }
2084 3277
2085 if ($@) { 3278 if ($@) {
2086 warn "$@"; 3279 warn "$@";
2087 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
2088 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
2107=cut 3300=cut
2108 3301
2109sub register_script_function { 3302sub register_script_function {
2110 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
2111 3304
2112 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
2113 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
2114} 3307}
2115 3308
2116=back 3309=back
2117 3310
2118=cut 3311=cut
2119 3312
2120############################################################################# 3313#############################################################################
3314# the server's init and main functions
2121 3315
2122=head2 EXTENSION DATABASE SUPPORT 3316sub load_facedata($) {
3317 my ($path) = @_;
2123 3318
2124Crossfire maintains a very simple database for extension use. It can 3319 # HACK to clear player env face cache, we need some signal framework
2125currently store anything that can be serialised using Storable, which 3320 # for this (global event?)
2126excludes objects. 3321 %ext::player_env::MUSIC_FACE_CACHE = ();
2127 3322
2128The parameter C<$family> should best start with the name of the extension 3323 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129using it, it should be unique.
2130 3324
2131=over 4 3325 warn "loading facedata from $path\n";
2132 3326
2133=item $hashref = cf::db_get $family 3327 my $facedata;
3328 0 < aio_load $path, $facedata
3329 or die "$path: $!";
2134 3330
2135Return a hashref for use by the extension C<$family>, which can be 3331 $facedata = Coro::Storable::thaw $facedata;
2136modified. After modifications, you have to call C<cf::db_dirty> or
2137C<cf::db_sync>.
2138 3332
2139=item $value = cf::db_get $family => $key 3333 $facedata->{version} == 2
3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
2140 3335
2141Returns a single value from the database 3336 # patch in the exptable
2142 3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2143=item cf::db_put $family => $hashref 3338 $facedata->{resource}{"res/exp_table"} = {
2144 3339 type => FT_RSRC,
2145Stores the given family hashref into the database. Updates are delayed, if 3340 data => $exp_table,
2146you want the data to be synced to disk immediately, use C<cf::db_sync>. 3341 hash => (Digest::MD5::md5 $exp_table),
2147
2148=item cf::db_put $family => $key => $value
2149
2150Stores the given C<$value> in the family hash. Updates are delayed, if you
2151want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153=item cf::db_dirty
2154
2155Marks the database as dirty, to be updated at a later time.
2156
2157=item cf::db_sync
2158
2159Immediately write the database to disk I<if it is dirty>.
2160
2161=cut
2162
2163our $DB;
2164
2165{
2166 my $path = cf::localdir . "/database.pst";
2167
2168 sub db_load() {
2169 $DB = stat $path ? Storable::retrieve $path : { };
2170 }
2171
2172 my $pid;
2173
2174 sub db_save() {
2175 waitpid $pid, 0 if $pid;
2176 if (0 == ($pid = fork)) {
2177 $DB->{_meta}{version} = 1;
2178 Storable::nstore $DB, "$path~";
2179 rename "$path~", $path;
2180 cf::_exit 0 if defined $pid;
2181 }
2182 }
2183
2184 my $dirty;
2185
2186 sub db_sync() {
2187 db_save if $dirty;
2188 undef $dirty;
2189 }
2190
2191 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192 db_sync;
2193 }); 3342 };
3343 cf::cede_to_tick;
2194 3344
2195 sub db_dirty() {
2196 $dirty = 1;
2197 $idle->start;
2198 } 3345 {
3346 my $faces = $facedata->{faceinfo};
2199 3347
2200 sub db_get($;$) { 3348 while (my ($face, $info) = each %$faces) {
2201 @_ >= 2 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202 ? $DB->{$_[0]}{$_[1]}
2203 : ($DB->{$_[0]} ||= { })
2204 }
2205 3350
2206 sub db_put($$;$) { 3351 cf::face::set_visibility $idx, $info->{visibility};
2207 if (@_ >= 3) { 3352 cf::face::set_magicmap $idx, $info->{magicmap};
2208 $DB->{$_[0]}{$_[1]} = $_[2]; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2209 } else { 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2210 $DB->{$_[0]} = $_[1];
2211 }
2212 db_dirty;
2213 }
2214 3355
2215 cf::global->attach ( 3356 cf::cede_to_tick;
2216 prio => 10000,
2217 on_cleanup => sub {
2218 db_sync;
2219 }, 3357 }
2220 );
2221}
2222 3358
2223############################################################################# 3359 while (my ($face, $info) = each %$faces) {
2224# the server's main() 3360 next unless $info->{smooth};
2225 3361
2226sub cfg_load { 3362 my $idx = cf::face::find $face
3363 or next;
3364
3365 if (my $smooth = cf::face::find $info->{smooth}) {
3366 cf::face::set_smooth $idx, $smooth;
3367 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3368 } else {
3369 warn "smooth face '$info->{smooth}' not found for face '$face'";
3370 }
3371
3372 cf::cede_to_tick;
3373 }
3374 }
3375
3376 {
3377 my $anims = $facedata->{animinfo};
3378
3379 while (my ($anim, $info) = each %$anims) {
3380 cf::anim::set $anim, $info->{frames}, $info->{facings};
3381 cf::cede_to_tick;
3382 }
3383
3384 cf::anim::invalidate_all; # d'oh
3385 }
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
3406 1
3407}
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 $status
3445}
3446
3447sub reload_regions {
3448 # HACK to clear player env face cache, we need some signal framework
3449 # for this (global event?)
3450 %ext::player_env::MUSIC_FACE_CACHE = ();
3451
3452 load_resource_file "$MAPDIR/regions"
3453 or die "unable to load regions file\n";
3454
3455 for (cf::region::list) {
3456 $_->{match} = qr/$_->{match}/
3457 if exists $_->{match};
3458 }
3459}
3460
3461sub reload_facedata {
3462 load_facedata "$DATADIR/facedata"
3463 or die "unable to load facedata\n";
3464}
3465
3466sub reload_archetypes {
3467 load_resource_file "$DATADIR/archetypes"
3468 or die "unable to load archetypes\n";
3469}
3470
3471sub reload_treasures {
3472 load_resource_file "$DATADIR/treasures"
3473 or die "unable to load treasurelists\n";
3474}
3475
3476sub reload_resources {
3477 warn "reloading resource files...\n";
3478
3479 reload_facedata;
3480 reload_archetypes;
3481 reload_regions;
3482 reload_treasures;
3483
3484 warn "finished reloading resource files\n";
3485}
3486
3487sub reload_config {
3488 warn "reloading config file...\n";
3489
2227 open my $fh, "<:utf8", cf::confdir . "/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
2228 or return; 3491 or return;
2229 3492
2230 local $/; 3493 local $/;
2231 *CFG = YAML::Syck::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
2232 3495
2233 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2234 3497
2235 $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};
2236 $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};
2240 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2241 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
2242 }; 3505 };
2243 warn $@ if $@; 3506 warn $@ if $@;
2244 } 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;
2245} 3538}
2246 3539
2247sub 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
2248 # we must not ever block the main coroutine 3550 # we must not ever block the main coroutine
2249 local $Coro::idle = sub { 3551 local $Coro::idle = sub {
2250 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#
2251 (async { 3553 (async {
2252 Event::one_event; 3554 $Coro::current->{desc} = "IDLE BUG HANDLER";
3555 EV::loop EV::LOOP_ONESHOT;
2253 })->prio (Coro::PRIO_MAX); 3556 })->prio (Coro::PRIO_MAX);
2254 }; 3557 };
2255 3558
2256 cfg_load; 3559 evthread_start IO::AIO::poll_fileno;
2257 db_load; 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;
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
2258 load_extensions; 3582 load_extensions;
2259 3583
2260 $TICK_WATCHER->start; 3584 utime time, time, $RUNTIMEFILE;
2261 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;
2262} 3596}
2263 3597
2264############################################################################# 3598#############################################################################
2265# initialisation and cleanup 3599# initialisation and cleanup
2266 3600
2267# install some emergency cleanup handlers 3601# install some emergency cleanup handlers
2268BEGIN { 3602BEGIN {
3603 our %SIGWATCHER = ();
2269 for my $signal (qw(INT HUP TERM)) { 3604 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 3605 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2271 data => WF_AUTOCANCEL,
2272 signal => $signal,
2273 cb => sub {
2274 cf::cleanup "SIG$signal"; 3606 cf::cleanup "SIG$signal";
2275 },
2276 ); 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
2277 } 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 };
2278} 3697}
2279 3698
2280sub emergency_save() { 3699sub emergency_save() {
2281 my $freeze_guard = cf::freeze_mainloop; 3700 my $freeze_guard = cf::freeze_mainloop;
2282 3701
2283 warn "enter emergency perl save\n"; 3702 warn "emergency_perl_save: enter\n";
2284 3703
2285 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
2286 # use a peculiar iteration method to avoid tripping on perl 3710 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 3711 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/destroyed asynchronously. 3712 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 3713 warn "emergency_perl_save: begin player save\n";
2290 for my $login (keys %cf::PLAYER) { 3714 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 3715 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 3716 $pl->valid or next;
3717 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293 $pl->save; 3718 $pl->save;
2294 } 3719 }
2295 warn "end emergency player save\n"; 3720 warn "emergency_perl_save: end player save\n";
2296 3721
2297 warn "begin emergency map save\n"; 3722 warn "emergency_perl_save: begin map save\n";
2298 for my $path (keys %cf::MAP) { 3723 for my $path (keys %cf::MAP) {
2299 my $map = $cf::MAP{$path} or next; 3724 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 3725 $map->valid or next;
2301 $map->save; 3726 $map->save;
2302 } 3727 }
2303 warn "end emergency map save\n"; 3728 warn "emergency_perl_save: end map save\n";
3729
3730 warn "emergency_perl_save: begin database checkpoint\n";
3731 BDB::db_env_txn_checkpoint $DB_ENV;
3732 warn "emergency_perl_save: end database checkpoint\n";
3733
3734 warn "emergency_perl_save: begin write uuid\n";
3735 write_uuid_sync 1;
3736 warn "emergency_perl_save: end write uuid\n";
2304 }; 3737 };
2305 3738
3739 warn "emergency_perl_save: starting sync()\n";
3740 IO::AIO::aio_sync sub {
3741 warn "emergency_perl_save: finished sync()\n";
3742 };
3743
2306 warn "leave emergency perl save\n"; 3744 warn "emergency_perl_save: leave\n";
2307} 3745}
2308 3746
3747sub post_cleanup {
3748 my ($make_core) = @_;
3749
3750 warn Carp::longmess "post_cleanup backtrace"
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#
3781}
3782
2309sub reload() { 3783sub do_reload_perl() {
2310 # can/must only be called in main 3784 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 3785 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine"; 3786 warn "can only reload from main coroutine";
2313 return; 3787 return;
2314 } 3788 }
2315 3789
3790 return if $RELOAD++;
3791
3792 my $t1 = AE::time;
3793
3794 while ($RELOAD) {
2316 warn "reloading..."; 3795 warn "reloading...";
2317 3796
2318 warn "cancelling server ticker"; 3797 warn "entering sync_job";
2319 $TICK_WATCHER->cancel;
2320 3798
3799 cf::sync_job {
3800 cf::write_runtime_sync; # external watchdog should not bark
2321 cf::emergency_save; 3801 cf::emergency_save;
3802 cf::write_runtime_sync; # external watchdog should not bark
2322 3803
2323 eval { 3804 warn "syncing database to disk";
3805 BDB::db_env_txn_checkpoint $DB_ENV;
3806
2324 # 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
2325 3808
2326 warn "syncing database to disk";
2327 cf::db_sync;
2328
2329 warn "cancelling all WF_AUTOCANCEL watchers";
2330 for (Event::all_watchers) {
2331 $_->cancel if $_->data & WF_AUTOCANCEL;
2332 }
2333
2334 warn "flushing outstanding aio requests"; 3809 warn "flushing outstanding aio requests";
2335 for (;;) { 3810 while (IO::AIO::nreqs || BDB::nreqs) {
2336 IO::AIO::flush; 3811 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2337 Coro::cede;
2338 last unless IO::AIO::nreqs;
2339 warn "iterate...";
2340 }
2341
2342 warn "cancelling all extension coros";
2343 $_->cancel for values %EXT_CORO;
2344 %EXT_CORO = ();
2345
2346 warn "removing commands";
2347 %COMMAND = ();
2348
2349 warn "removing ext commands";
2350 %EXTCMD = ();
2351
2352 warn "unloading/nuking all extensions";
2353 for my $pkg (@EXTS) {
2354 warn "... unloading $pkg";
2355
2356 if (my $cb = $pkg->can ("unload")) {
2357 eval {
2358 $cb->($pkg);
2359 1
2360 } or warn "$pkg unloaded, but with errors: $@";
2361 } 3812 }
2362 3813
2363 warn "... nuking $pkg"; 3814 warn "cancelling all extension coros";
2364 Symbol::delete_package $pkg; 3815 $_->cancel for values %EXT_CORO;
2365 } 3816 %EXT_CORO = ();
2366 3817
2367 warn "unloading all perl modules loaded from $LIBDIR"; 3818 warn "removing commands";
2368 while (my ($k, $v) = each %INC) { 3819 %COMMAND = ();
2369 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2370 3820
3821 warn "removing ext/exti commands";
3822 %EXTCMD = ();
3823 %EXTICMD = ();
3824
3825 warn "unloading/nuking all extensions";
3826 for my $pkg (@EXTS) {
2371 warn "... unloading $k"; 3827 warn "... unloading $pkg";
2372 delete $INC{$k};
2373 3828
2374 $k =~ s/\.pm$//;
2375 $k =~ s/\//::/g;
2376
2377 if (my $cb = $k->can ("unload_module")) { 3829 if (my $cb = $pkg->can ("unload")) {
3830 eval {
2378 $cb->(); 3831 $cb->($pkg);
3832 1
3833 } or warn "$pkg unloaded, but with errors: $@";
3834 }
3835
3836 warn "... clearing $pkg";
3837 clear_package $pkg;
2379 } 3838 }
2380 3839
2381 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;
2382 } 3855 }
2383 3856
2384 warn "getting rid of safe::, as good as possible"; 3857 warn "getting rid of safe::, as good as possible";
2385 Symbol::delete_package "safe::$_" 3858 clear_package "safe::$_"
2386 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);
2387 3860
2388 warn "unloading cf.pm \"a bit\""; 3861 warn "unloading cf.pm \"a bit\"";
2389 delete $INC{"cf.pm"}; 3862 delete $INC{"cf.pm"};
3863 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2390 3864
2391 # don't, removes xs symbols, too, 3865 # don't, removes xs symbols, too,
2392 # and global variables created in xs 3866 # and global variables created in xs
2393 #Symbol::delete_package __PACKAGE__; 3867 #clear_package __PACKAGE__;
2394 3868
2395 warn "unload completed, starting to reload now"; 3869 warn "unload completed, starting to reload now";
2396 3870
2397 warn "reloading cf.pm"; 3871 warn "reloading cf.pm";
2398 require cf; 3872 require cf;
2399 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3873 cf::_connect_to_perl_1;
2400 3874
2401 warn "loading config and database again"; 3875 warn "loading config and database again";
2402 cf::cfg_load; 3876 cf::reload_config;
2403 cf::db_load;
2404 3877
2405 warn "loading extensions"; 3878 warn "loading extensions";
2406 cf::load_extensions; 3879 cf::load_extensions;
2407 3880
3881 if ($REATTACH_ON_RELOAD) {
2408 warn "reattaching attachments to objects/players"; 3882 warn "reattaching attachments to objects/players";
2409 _global_reattach; 3883 _global_reattach; # objects, sockets
2410 warn "reattaching attachments to maps"; 3884 warn "reattaching attachments to maps";
2411 reattach $_ for values %MAP; 3885 reattach $_ for values %MAP;
3886 warn "reattaching attachments to players";
3887 reattach $_ for values %PLAYER;
3888 }
2412 3889
2413 warn "restarting server ticker"; 3890 warn "running post_init jobs";
3891 (pop @POST_INIT)->(1) while @POST_INIT;
2414 3892
2415 $TICK_WATCHER->start; 3893 warn "leaving sync_job";
3894
3895 1
3896 } or do {
3897 warn $@;
3898 cf::cleanup "error while reloading, exiting.";
3899 };
3900
3901 warn "reloaded";
3902 --$RELOAD;
3903 }
3904
3905 $t1 = AE::time - $t1;
3906 warn "reload completed in ${t1}s\n";
3907};
3908
3909our $RELOAD_WATCHER; # used only during reload
3910
3911sub reload_perl() {
3912 # doing reload synchronously and two reloads happen back-to-back,
3913 # coro crashes during coro_state_free->destroy here.
3914
3915 $RELOAD_WATCHER ||= cf::async {
3916 Coro::AIO::aio_wait cache_extensions;
3917
3918 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3919 do_reload_perl;
3920 undef $RELOAD_WATCHER;
3921 };
2416 }; 3922 };
2417 3923}
2418 if ($@) {
2419 warn $@;
2420 warn "error while reloading, exiting.";
2421 exit 1;
2422 }
2423
2424 warn "reloaded";
2425};
2426
2427our $RELOAD_WATCHER; # used only during reload
2428 3924
2429register_command "reload" => sub { 3925register_command "reload" => sub {
2430 my ($who, $arg) = @_; 3926 my ($who, $arg) = @_;
2431 3927
2432 if ($who->flag (FLAG_WIZ)) { 3928 if ($who->flag (FLAG_WIZ)) {
2433 $who->message ("reloading server."); 3929 $who->message ("reloading server.");
2434 3930 async {
2435 # doing reload synchronously and two reloads happen back-to-back, 3931 $Coro::current->{desc} = "perl_reload";
2436 # coro crashes during coro_state_free->destroy here.
2437
2438 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439 reload; 3932 reload_perl;
2440 undef $RELOAD_WATCHER;
2441 }); 3933 };
2442 } 3934 }
2443}; 3935};
2444 3936
2445unshift @INC, $LIBDIR; 3937unshift @INC, $LIBDIR;
2446 3938
2447my $bug_warning = 0; 3939my $bug_warning = 0;
2448 3940
2449$TICK_WATCHER = Event->timer ( 3941our @WAIT_FOR_TICK;
2450 reentrant => 0, 3942our @WAIT_FOR_TICK_BEGIN;
2451 parked => 1, 3943
2452 prio => 0, 3944sub wait_for_tick {
2453 at => $NEXT_TICK || $TICK, 3945 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2454 data => WF_AUTOCANCEL, 3946
2455 cb => sub { 3947 my $signal = new Coro::Signal;
3948 push @WAIT_FOR_TICK, $signal;
3949 $signal->wait;
3950}
3951
3952sub wait_for_tick_begin {
3953 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3954
3955 my $signal = new Coro::Signal;
3956 push @WAIT_FOR_TICK_BEGIN, $signal;
3957 $signal->wait;
3958}
3959
3960sub tick {
2456 if ($Coro::current != $Coro::main) { 3961 if ($Coro::current != $Coro::main) {
2457 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"
2458 unless ++$bug_warning > 10; 3963 unless ++$bug_warning > 10;
2459 return; 3964 return;
2460 } 3965 }
2461 3966
2462 $NOW = Event::time;
2463
2464 cf::server_tick; # one server iteration 3967 cf::server_tick; # one server iteration
2465 $RUNTIME += $TICK;
2466 $NEXT_TICK += $TICK;
2467 3968
2468 $WAIT_FOR_TICK->broadcast; 3969 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2469 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2470 3970
2471 # if we are delayed by four ticks or more, skip them all 3971 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2472 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3972 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2473 3973 Coro::async_pool {
2474 $TICK_WATCHER->at ($NEXT_TICK); 3974 $Coro::current->{desc} = "runtime saver";
2475 $TICK_WATCHER->start;
2476 },
2477);
2478
2479IO::AIO::max_poll_time $TICK * 0.2;
2480
2481$AIO_POLL_WATCHER = Event->io (
2482 fd => IO::AIO::poll_fileno,
2483 poll => 'r',
2484 prio => 5,
2485 data => WF_AUTOCANCEL,
2486 cb => \&IO::AIO::poll_cb,
2487);
2488
2489$WRITE_RUNTIME_WATCHER = Event->timer (
2490 data => WF_AUTOCANCEL,
2491 after => 1,
2492 interval => 10,
2493 prio => 6, # keep it lowest so it acts like a watchdog
2494 cb => Coro::unblock_sub {
2495 write_runtime 3975 write_runtime_sync
2496 or warn "ERROR: unable to write runtime file: $!"; 3976 or warn "ERROR: unable to write runtime file: $!";
3977 };
2497 }, 3978 }
2498); 3979
3980 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3981 $sig->send;
3982 }
3983 while (my $sig = shift @WAIT_FOR_TICK) {
3984 $sig->send;
3985 }
3986
3987 $LOAD = ($NOW - $TICK_START) / $TICK;
3988 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3989
3990 if (0) {
3991 if ($NEXT_TICK) {
3992 my $jitter = $TICK_START - $NEXT_TICK;
3993 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3994 warn "jitter $JITTER\n";#d#
3995 }
3996 }
3997}
3998
3999{
4000 # configure BDB
4001
4002 BDB::min_parallel 16;
4003 BDB::max_poll_reqs $TICK * 0.1;
4004 $AnyEvent::BDB::WATCHER->priority (1);
4005
4006 unless ($DB_ENV) {
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);
4013
4014 cf::sync_job {
4015 eval {
4016 BDB::db_env_open
4017 $DB_ENV,
4018 $BDBDIR,
4019 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4020 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4021 0666;
4022
4023 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4024 };
4025
4026 cf::cleanup "db_env_open(db): $@" if $@;
4027 };
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 };
4039}
4040
4041{
4042 # configure IO::AIO
4043
4044 IO::AIO::min_parallel 8;
4045 IO::AIO::max_poll_time $TICK * 0.1;
4046 undef $AnyEvent::AIO::WATCHER;
4047}
4048
4049my $_log_backtrace;
4050
4051sub _log_backtrace {
4052 my ($msg, @addr) = @_;
4053
4054 $msg =~ s/\n//;
4055
4056 # limit the # of concurrent backtraces
4057 if ($_log_backtrace < 2) {
4058 ++$_log_backtrace;
4059 my $perl_bt = Carp::longmess $msg;
4060 async {
4061 $Coro::current->{desc} = "abt $msg";
4062
4063 my @bt = fork_call {
4064 @addr = map { sprintf "%x", $_ } @addr;
4065 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4066 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4067 or die "addr2line: $!";
4068
4069 my @funcs;
4070 my @res = <$fh>;
4071 chomp for @res;
4072 while (@res) {
4073 my ($func, $line) = splice @res, 0, 2, ();
4074 push @funcs, "[$func] $line";
4075 }
4076
4077 @funcs
4078 };
4079
4080 LOG llevInfo, "[ABT] $perl_bt\n";
4081 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4082 LOG llevInfo, "[ABT] $_\n" for @bt;
4083 --$_log_backtrace;
4084 };
4085 } else {
4086 LOG llevInfo, "[ABT] $msg\n";
4087 LOG llevInfo, "[ABT] [suppressed]\n";
4088 }
4089}
4090
4091# load additional modules
4092require "cf/$_.pm" for @EXTRA_MODULES;
4093cf::_connect_to_perl_2;
2499 4094
2500END { cf::emergency_save } 4095END { cf::emergency_save }
2501 4096
25021 40971
2503 4098

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