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Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.519 by root, Fri Apr 16 02:32:25 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) = @_;
1180 1850
1181 $path = "$path"; # make sure its a string 1851 $path = "$path"; # make sure its a string
1852
1853 $path =~ s/\.map$//;
1182 1854
1183 # map plan: 1855 # map plan:
1184 # 1856 #
1185 # /! non-realised random map exit (special hack!) 1857 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched 1858 # {... are special paths that are not being touched
… …
1223 $self->init; # pass $1 etc. 1895 $self->init; # pass $1 etc.
1224 return $self; 1896 return $self;
1225 } 1897 }
1226 } 1898 }
1227 1899
1228 Carp::carp "unable to resolve path '$path' (base '$base')."; 1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1229 () 1901 ()
1230} 1902}
1231 1903
1232sub init { 1904sub init {
1233 my ($self) = @_; 1905 my ($self) = @_;
… …
1248 1920
1249# the original (read-only) location 1921# the original (read-only) location
1250sub load_path { 1922sub load_path {
1251 my ($self) = @_; 1923 my ($self) = @_;
1252 1924
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1925 "$MAPDIR/$self->{path}.map"
1254} 1926}
1255 1927
1256# the temporary/swap location 1928# the temporary/swap location
1257sub save_path { 1929sub save_path {
1258 my ($self) = @_; 1930 my ($self) = @_;
1259 1931
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1933 "$TMPDIR/$path.map"
1262} 1934}
1263 1935
1264# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1265sub uniq_path { 1937sub uniq_path {
1266 my ($self) = @_; 1938 my ($self) = @_;
1267 1939
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1941 "$UNIQUEDIR/$path"
1270} 1942}
1271 1943
1272# and all this just because we cannot iterate over 1944sub decay_objects {
1273# all maps in C++...
1274sub change_all_map_light {
1275 my ($change) = @_; 1945 my ($self) = @_;
1276 1946
1277 $_->change_map_light ($change) 1947 return if $self->{deny_reset};
1278 for grep $_->outdoor, values %cf::MAP; 1948
1949 $self->do_decay_objects;
1279} 1950}
1280 1951
1281sub unlink_save { 1952sub unlink_save {
1282 my ($self) = @_; 1953 my ($self) = @_;
1283 1954
… …
1288 1959
1289sub load_header_from($) { 1960sub load_header_from($) {
1290 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1291 1962
1292 utf8::encode $path; 1963 utf8::encode $path;
1293 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1294 or return; 1965 or return;
1295 1966
1296 $self->_load_header ($path) 1967 $self->_load_header ($f)
1297 or return; 1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1298 1972
1299 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1300 1974
1301 1 1975 1
1302} 1976}
… …
1341 $self->load_header_orig 2015 $self->load_header_orig
1342 or return; 2016 or return;
1343 $self->prepare_orig; 2017 $self->prepare_orig;
1344 } 2018 }
1345 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;
2025
1346 1 2026 1
1347} 2027}
1348 2028
1349sub find; 2029sub find;
1350sub find { 2030sub find {
1351 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1352 2032
1353 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1354 2034
2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1356 2037
1357 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1358 my $guard = cf::lock_acquire "map_find:$path";
1359 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1360 or return; 2040 or return;
1361 2041
1362 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1363 2043
1364 $map->load_header 2044 $map->load_header
1365 or return; 2045 or return;
1366 2046
1367 if ($map->should_reset) { 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1370 $map->reset; 2052 $map->reset;
1371 undef $guard;
1372 return find $path; 2053 return find $path;
1373 } 2054 }
1374 2055
1375 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1376 } 2057 }
1377} 2058}
1378 2059
1379sub pre_load { } 2060sub pre_load { }
1380sub post_load { } 2061#sub post_load { } # XS
1381 2062
1382sub load { 2063sub load {
1383 my ($self) = @_; 2064 my ($self) = @_;
1384 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1385 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1386 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1387 2072
2073 return unless $self->valid;
1388 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1389 2075
1390 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1391 2077
1392 $self->alloc; 2078 $self->alloc;
1393 2079
1394 $self->pre_load; 2080 $self->pre_load;
2081 cf::cede_to_tick;
1395 2082
1396 $self->_load_objects ($self->{load_path}, 1) 2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1397 or return; 2086 or return;
1398 2087
1399 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1400 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1401 2090
1402 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1403 utf8::encode $uniq; 2092 utf8::encode $uniq;
1404 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1405 $self->clear_unique_items; 2095 $self->clear_unique_items;
1406 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1407 } 2099 }
1408 } 2100 }
1409 2101
1410 Coro::cede; 2102 $f->resolve_delayed_derefs;
1411 2103
2104 cf::cede_to_tick;
1412 # now do the right thing for maps 2105 # now do the right thing for maps
1413 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1414
1415 unless ($self->{deny_activate}) {
1416 $self->decay_objects;
1417 $self->fix_auto_apply;
1418 $self->update_buttons;
1419 Coro::cede;
1420 $self->set_darkness_map;
1421 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1422 unless $self->difficulty; 2108 unless $self->difficulty;
1423 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;
1424 $self->activate; 2116 $self->activate;
2117 }
2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
2122 $self->in_memory (cf::MAP_ACTIVE);
1425 } 2123 }
1426 2124
1427 $self->post_load; 2125 $self->post_load;
1428
1429 $self->in_memory (cf::MAP_IN_MEMORY);
1430} 2126}
1431 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
1432sub customise_for { 2131sub customise_for {
1433 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
1434 2133
1435 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
1436 if $self->per_player; 2135 if $self->per_player;
1437 2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
1438 $self 2140 $self
1439} 2141}
1440 2142
1441# 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
1442sub load_diag { 2144sub load_neighbours {
1443 my ($map) = @_; 2145 my ($map) = @_;
1444 2146
1445 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1446 2148
1447 for (0 .. 3) { 2149 for (0 .. 3) {
1448 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1449 or next; 2151 or next;
1450 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1451 or next; 2153 or next;
1452 $neigh->load; 2154 $neigh->load;
1453 2155
2156 push @neigh,
1454 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1455 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1456 } 2159 }
1457 2160
1458 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1459 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1460 or next; 2164 or next;
1461 $neigh->load; 2165 $neigh->load;
1462 } 2166 }
1463} 2167}
1464 2168
… …
1469} 2173}
1470 2174
1471sub do_load_sync { 2175sub do_load_sync {
1472 my ($map) = @_; 2176 my ($map) = @_;
1473 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1474 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1475} 2182}
1476 2183
1477our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
1478our $MAP_PREFETCHER = undef; 2185our $MAP_PREFETCHER = undef;
1479 2186
1480sub find_async { 2187sub find_async {
1481 my ($path, $origin) = @_; 2188 my ($path, $origin, $load) = @_;
1482 2189
1483 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
1484 2191
1485 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
1486 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487 } 2194 }
1488 2195
1489 undef $MAP_PREFETCH{$path}; 2196 $MAP_PREFETCH{$path} |= $load;
2197
1490 $MAP_PREFETCHER ||= cf::async { 2198 $MAP_PREFETCHER ||= cf::async {
2199 $Coro::current->{desc} = "map prefetcher";
2200
1491 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1492 for my $path (keys %MAP_PREFETCH) { 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1493 my $map = find $path 2203 if (my $map = find $k) {
1494 or next;
1495 $map->load; 2204 $map->load if $v;
2205 }
1496 2206
1497 delete $MAP_PREFETCH{$path}; 2207 delete $MAP_PREFETCH{$k};
1498 } 2208 }
1499 } 2209 }
1500 undef $MAP_PREFETCHER; 2210 undef $MAP_PREFETCHER;
1501 }; 2211 };
1502 $MAP_PREFETCHER->prio (6); 2212 $MAP_PREFETCHER->prio (6);
1503 2213
1504 () 2214 ()
1505} 2215}
1506 2216
2217# common code, used by both ->save and ->swapout
1507sub save { 2218sub _save {
1508 my ($self) = @_; 2219 my ($self) = @_;
1509
1510 my $lock = cf::lock_acquire "map_data:" . $self->path;
1511 2220
1512 $self->{last_save} = $cf::RUNTIME; 2221 $self->{last_save} = $cf::RUNTIME;
1513 2222
1514 return unless $self->dirty; 2223 return unless $self->dirty;
1515 2224
… …
1521 return if $self->{deny_save}; 2230 return if $self->{deny_save};
1522 2231
1523 local $self->{last_access} = $self->last_access;#d# 2232 local $self->{last_access} = $self->last_access;#d#
1524 2233
1525 cf::async { 2234 cf::async {
2235 $Coro::current->{desc} = "map player save";
1526 $_->contr->save for $self->players; 2236 $_->contr->save for $self->players;
1527 }; 2237 };
2238
2239 cf::get_slot 0.02;
1528 2240
1529 if ($uniq) { 2241 if ($uniq) {
1530 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1532 } else { 2244 } else {
1533 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1534 } 2246 }
1535} 2247}
1536 2248
2249sub save {
2250 my ($self) = @_;
2251
2252 my $lock = cf::lock_acquire "map_data:$self->{path}";
2253
2254 $self->_save;
2255}
2256
1537sub swap_out { 2257sub swap_out {
1538 my ($self) = @_; 2258 my ($self) = @_;
1539 2259
1540 # save first because save cedes
1541 $self->save;
1542
1543 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1544 2261
2262 return if $self->in_memory != cf::MAP_ACTIVE;
2263 return if $self->{deny_save};
1545 return if $self->players; 2264 return if $self->players;
1546 return if $self->in_memory != cf::MAP_IN_MEMORY;
1547 return if $self->{deny_save};
1548 2265
2266 # first deactivate the map and "unlink" it from the core
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 # then atomically save
2272 $self->_save;
2273
2274 # then free the map
1549 $self->clear; 2275 $self->clear;
1550 $self->in_memory (cf::MAP_SWAPPED);
1551} 2276}
1552 2277
1553sub reset_at { 2278sub reset_at {
1554 my ($self) = @_; 2279 my ($self) = @_;
1555 2280
1556 # TODO: safety, remove and allow resettable per-player maps 2281 # TODO: safety, remove and allow resettable per-player maps
1557 return 1e99 if $self->isa ("ext::map_per_player");#d#
1558 return 1e99 if $self->{deny_reset}; 2282 return 1e99 if $self->{deny_reset};
1559 2283
1560 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2284 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2285 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562 2286
… …
1573 my ($self) = @_; 2297 my ($self) = @_;
1574 2298
1575 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2299 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2300
1577 return if $self->players; 2301 return if $self->players;
1578 return if $self->isa ("ext::map_per_player");#d#
1579 2302
1580 warn "resetting map ", $self->path;#d# 2303 warn "resetting map ", $self->path, "\n";
2304
2305 $self->in_memory (cf::MAP_SWAPPED);
2306
2307 # need to save uniques path
2308 unless ($self->{deny_save}) {
2309 my $uniq = $self->uniq_path; utf8::encode $uniq;
2310
2311 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2312 if $uniq;
2313 }
1581 2314
1582 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
1583 2316
1584 $self->in_memory (cf::MAP_SWAPPED); 2317 $self->deactivate;
2318 $_->clear_links_to ($self) for values %cf::MAP;
1585 $self->clear; 2319 $self->clear;
1586
1587 $_->clear_links_to ($self) for values %cf::MAP;
1588 2320
1589 $self->unlink_save; 2321 $self->unlink_save;
1590 $self->destroy; 2322 $self->destroy;
1591} 2323}
1592 2324
1593my $nuke_counter = "aaaa"; 2325my $nuke_counter = "aaaa";
1594 2326
1595sub nuke { 2327sub nuke {
1596 my ($self) = @_; 2328 my ($self) = @_;
1597 2329
2330 {
2331 my $lock = cf::lock_acquire "map_data:$self->{path}";
2332
1598 delete $cf::MAP{$self->path}; 2333 delete $cf::MAP{$self->path};
1599 2334
1600 $self->unlink_save; 2335 $self->unlink_save;
1601 2336
1602 bless $self, "cf::map"; 2337 bless $self, "cf::map";
1603 delete $self->{deny_reset}; 2338 delete $self->{deny_reset};
1604 $self->{deny_save} = 1; 2339 $self->{deny_save} = 1;
1605 $self->reset_timeout (1); 2340 $self->reset_timeout (1);
1606 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2341 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607 2342
1608 $cf::MAP{$self->path} = $self; 2343 $cf::MAP{$self->path} = $self;
2344 }
1609 2345
1610 $self->reset; # polite request, might not happen 2346 $self->reset; # polite request, might not happen
2347}
2348
2349=item $maps = cf::map::tmp_maps
2350
2351Returns an arrayref with all map paths of currently instantiated and saved
2352maps. May block.
2353
2354=cut
2355
2356sub tmp_maps() {
2357 [
2358 map {
2359 utf8::decode $_;
2360 /\.map$/
2361 ? normalise $_
2362 : ()
2363 } @{ aio_readdir $TMPDIR or [] }
2364 ]
2365}
2366
2367=item $maps = cf::map::random_maps
2368
2369Returns an arrayref with all map paths of currently instantiated and saved
2370random maps. May block.
2371
2372=cut
2373
2374sub random_maps() {
2375 [
2376 map {
2377 utf8::decode $_;
2378 /\.map$/
2379 ? normalise "?random/$_"
2380 : ()
2381 } @{ aio_readdir $RANDOMDIR or [] }
2382 ]
1611} 2383}
1612 2384
1613=item cf::map::unique_maps 2385=item cf::map::unique_maps
1614 2386
1615Returns an arrayref of paths of all shared maps that have 2387Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 2388instantiated unique items. May block.
1617 2389
1618=cut 2390=cut
1619 2391
1620sub unique_maps() { 2392sub unique_maps() {
1621 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2393 [
1622 or return; 2394 map {
1623
1624 my @paths;
1625
1626 for (@$files) {
1627 utf8::decode $_; 2395 utf8::decode $_;
1628 next if /\.pst$/; 2396 s/\.map$//; # TODO future compatibility hack
1629 next unless /^$PATH_SEP/o; 2397 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2398 ? ()
2399 : normalise $_
2400 } @{ aio_readdir $UNIQUEDIR or [] }
2401 ]
2402}
1630 2403
2404=item cf::map::static_maps
2405
2406Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2407file in the shared directory excluding F</styles> and F</editor>). May
2408block.
2409
2410=cut
2411
2412sub static_maps() {
2413 my @dirs = "";
2414 my @maps;
2415
2416 while (@dirs) {
2417 my $dir = shift @dirs;
2418
2419 next if $dir eq "/styles" || $dir eq "/editor";
2420
2421 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2422 or return;
2423
2424 for (@$files) {
1631 s/\.map$//; 2425 s/\.map$// or next;
1632 push @paths, $_; 2426 utf8::decode $_;
1633 } 2427 push @maps, "$dir/$_";
2428 }
1634 2429
1635 \@paths 2430 push @dirs, map "$dir/$_", @$dirs;
1636} 2431 }
1637 2432
1638package cf; 2433 \@maps
2434}
1639 2435
1640=back 2436=back
1641 2437
1642=head3 cf::object 2438=head3 cf::object
1643 2439
… …
1647 2443
1648=over 4 2444=over 4
1649 2445
1650=item $ob->inv_recursive 2446=item $ob->inv_recursive
1651 2447
1652Returns the inventory of the object _and_ their inventories, recursively. 2448Returns the inventory of the object I<and> their inventories, recursively,
2449but I<not> the object itself.
1653 2450
1654=cut 2451=cut
1655 2452
1656sub inv_recursive_; 2453sub inv_recursive_;
1657sub inv_recursive_ { 2454sub inv_recursive_ {
… …
1660 2457
1661sub inv_recursive { 2458sub inv_recursive {
1662 inv_recursive_ inv $_[0] 2459 inv_recursive_ inv $_[0]
1663} 2460}
1664 2461
2462=item $ref = $ob->ref
2463
2464Creates and returns a persistent reference to an object that can be stored as a string.
2465
2466=item $ob = cf::object::deref ($refstring)
2467
2468returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2469even if the object actually exists. May block.
2470
2471=cut
2472
2473sub deref {
2474 my ($ref) = @_;
2475
2476 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2477 my ($uuid, $name) = ($1, $2);
2478 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2479 or return;
2480 $pl->ob->uuid eq $uuid
2481 or return;
2482
2483 $pl->ob
2484 } else {
2485 warn "$ref: cannot resolve object reference\n";
2486 undef
2487 }
2488}
2489
1665package cf; 2490package cf;
1666 2491
1667=back 2492=back
1668 2493
1669=head3 cf::object::player 2494=head3 cf::object::player
… …
1675Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2500Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676can be C<undef>. Does the right thing when the player is currently in a 2501can be C<undef>. Does the right thing when the player is currently in a
1677dialogue with the given NPC character. 2502dialogue with the given NPC character.
1678 2503
1679=cut 2504=cut
2505
2506our $SAY_CHANNEL = {
2507 id => "say",
2508 title => "Map",
2509 reply => "say ",
2510 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2511};
2512
2513our $CHAT_CHANNEL = {
2514 id => "chat",
2515 title => "Chat",
2516 reply => "chat ",
2517 tooltip => "Player chat and shouts, global to the server.",
2518};
1680 2519
1681# rough implementation of a future "reply" method that works 2520# rough implementation of a future "reply" method that works
1682# with dialog boxes. 2521# with dialog boxes.
1683#TODO: the first argument must go, split into a $npc->reply_to ( method 2522#TODO: the first argument must go, split into a $npc->reply_to ( method
1684sub cf::object::player::reply($$$;$) { 2523sub cf::object::player::reply($$$;$) {
… …
1686 2525
1687 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2526 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688 2527
1689 if ($self->{record_replies}) { 2528 if ($self->{record_replies}) {
1690 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2529 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2530
1691 } else { 2531 } else {
2532 my $pl = $self->contr;
2533
2534 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2535 my $dialog = $pl->{npc_dialog};
2536 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2537
2538 } else {
1692 $msg = $npc->name . " says: $msg" if $npc; 2539 $msg = $npc->name . " says: $msg" if $npc;
1693 $self->message ($msg, $flags); 2540 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2541 }
1694 } 2542 }
2543}
2544
2545=item $object->send_msg ($channel, $msg, $color, [extra...])
2546
2547=cut
2548
2549sub cf::object::send_msg {
2550 my $pl = shift->contr
2551 or return;
2552 $pl->send_msg (@_);
1695} 2553}
1696 2554
1697=item $player_object->may ("access") 2555=item $player_object->may ("access")
1698 2556
1699Returns wether the given player is authorized to access resource "access" 2557Returns wether the given player is authorized to access resource "access"
… …
1712 2570
1713=item $player_object->enter_link 2571=item $player_object->enter_link
1714 2572
1715Freezes the player and moves him/her to a special map (C<{link}>). 2573Freezes the player and moves him/her to a special map (C<{link}>).
1716 2574
1717The player should be reasonably safe there for short amounts of time. You 2575The player should be reasonably safe there for short amounts of time (e.g.
1718I<MUST> call C<leave_link> as soon as possible, though. 2576for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2577though, as the palyer cannot control the character while it is on the link
2578map.
1719 2579
1720Will never block. 2580Will never block.
1721 2581
1722=item $player_object->leave_link ($map, $x, $y) 2582=item $player_object->leave_link ($map, $x, $y)
1723 2583
… …
1731=cut 2591=cut
1732 2592
1733sub link_map { 2593sub link_map {
1734 unless ($LINK_MAP) { 2594 unless ($LINK_MAP) {
1735 $LINK_MAP = cf::map::find "{link}" 2595 $LINK_MAP = cf::map::find "{link}"
1736 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2596 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737 $LINK_MAP->load; 2597 $LINK_MAP->load;
1738 } 2598 }
1739 2599
1740 $LINK_MAP 2600 $LINK_MAP
1741} 2601}
… …
1746 $self->deactivate_recursive; 2606 $self->deactivate_recursive;
1747 2607
1748 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2608 return if UNIVERSAL::isa $self->map, "ext::map_link";
1749 2609
1750 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2610 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751 if $self->map; 2611 if $self->map && $self->map->{path} ne "{link}";
1752 2612
1753 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2613 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1754} 2614}
1755 2615
1756sub cf::object::player::leave_link { 2616sub cf::object::player::leave_link {
1757 my ($self, $map, $x, $y) = @_; 2617 my ($self, $map, $x, $y) = @_;
2618
2619 return unless $self->contr->active;
1758 2620
1759 my $link_pos = delete $self->{_link_pos}; 2621 my $link_pos = delete $self->{_link_pos};
1760 2622
1761 unless ($map) { 2623 unless ($map) {
1762 # restore original map position 2624 # restore original map position
… …
1773 ($x, $y) = (-1, -1) 2635 ($x, $y) = (-1, -1)
1774 unless (defined $x) && (defined $y); 2636 unless (defined $x) && (defined $y);
1775 2637
1776 # use -1 or undef as default coordinates, not 0, 0 2638 # use -1 or undef as default coordinates, not 0, 0
1777 ($x, $y) = ($map->enter_x, $map->enter_y) 2639 ($x, $y) = ($map->enter_x, $map->enter_y)
1778 if $x <=0 && $y <= 0; 2640 if $x <= 0 && $y <= 0;
1779 2641
1780 $map->load; 2642 $map->load;
1781 $map->load_diag; 2643 $map->load_neighbours;
1782 2644
1783 return unless $self->contr->active; 2645 return unless $self->contr->active;
2646
2647 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2648 $self->enter_map ($map, $x, $y);
2649
2650 # only activate afterwards, to support waiting in hooks
1784 $self->activate_recursive; 2651 $self->activate_recursive;
1785 $self->enter_map ($map, $x, $y);
1786} 2652}
1787 2653
1788cf::player->attach ( 2654=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789 on_logout => sub {
1790 my ($pl) = @_;
1791 2655
1792 # abort map switching before logout 2656Moves the player to the given map-path and coordinates by first freezing
1793 if ($pl->ob->{_link_pos}) { 2657her, loading and preparing them map, calling the provided $check callback
1794 cf::sync_job { 2658that has to return the map if sucecssful, and then unfreezes the player on
1795 $pl->ob->leave_link 2659the new (success) or old (failed) map position. In either case, $done will
1796 }; 2660be called at the end of this process.
1797 }
1798 },
1799 on_login => sub {
1800 my ($pl) = @_;
1801 2661
1802 # try to abort aborted map switching on player login :) 2662Note that $check will be called with a potentially non-loaded map, so if
1803 # should happen only on crashes 2663it needs a loaded map it has to call C<< ->load >>.
1804 if ($pl->ob->{_link_pos}) {
1805 $pl->ob->enter_link;
1806 (async {
1807 # we need this sleep as the login has a concurrent enter_exit running
1808 # and this sleep increases chances of the player not ending up in scorn
1809 $pl->ob->reply (undef,
1810 "There was an internal problem at your last logout, "
1811 . "the server will try to bring you to your intended destination in a second.",
1812 cf::NDI_RED);
1813 Coro::Timer::sleep 1;
1814 $pl->ob->leave_link;
1815 })->prio (2);
1816 }
1817 },
1818);
1819 2664
1820=item $player_object->goto ($path, $x, $y)
1821
1822=cut 2665=cut
2666
2667our $GOTOGEN;
1823 2668
1824sub cf::object::player::goto { 2669sub cf::object::player::goto {
1825 my ($self, $path, $x, $y) = @_; 2670 my ($self, $path, $x, $y, $check, $done) = @_;
2671
2672 # do generation counting so two concurrent goto's will be executed in-order
2673 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826 2674
1827 $self->enter_link; 2675 $self->enter_link;
1828 2676
1829 (async { 2677 (async {
1830 my $map = cf::map::find $path; 2678 $Coro::current->{desc} = "player::goto $path $x $y";
2679
2680 # *tag paths override both path and x|y
2681 if ($path =~ /^\*(.*)$/) {
2682 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2683 my $ob = $obs[rand @obs];
2684
2685 # see if we actually can go there
2686 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2687 $ob = $obs[rand @obs];
2688 } else {
2689 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2690 }
2691 # else put us there anyways for now #d#
2692
2693 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2694 } else {
2695 ($path, $x, $y) = (undef, undef, undef);
2696 }
2697 }
2698
2699 my $map = eval {
2700 my $map = defined $path ? cf::map::find $path : undef;
2701
2702 if ($map) {
1831 $map = $map->customise_for ($self) if $map; 2703 $map = $map->customise_for ($self);
1832 2704 $map = $check->($map) if $check && $map;
1833# warn "entering ", $map->path, " at ($x, $y)\n" 2705 } else {
1834# if $map;
1835
1836 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2706 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2707 }
1837 2708
2709 $map
2710 };
2711
2712 if ($@) {
2713 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2714 LOG llevError | logBacktrace, Carp::longmess $@;
2715 }
2716
2717 if ($gen == $self->{_goto_generation}) {
2718 delete $self->{_goto_generation};
1838 $self->leave_link ($map, $x, $y); 2719 $self->leave_link ($map, $x, $y);
2720 }
2721
2722 $done->() if $done;
1839 })->prio (1); 2723 })->prio (1);
1840} 2724}
1841 2725
1842=item $player_object->enter_exit ($exit_object) 2726=item $player_object->enter_exit ($exit_object)
1843 2727
… …
1863} 2747}
1864 2748
1865sub prepare_random_map { 2749sub prepare_random_map {
1866 my ($exit) = @_; 2750 my ($exit) = @_;
1867 2751
1868 my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870 # all this does is basically replace the /! path by 2752 # all this does is basically replace the /! path by
1871 # a new random map path (?random/...) with a seed 2753 # a new random map path (?random/...) with a seed
1872 # that depends on the exit object 2754 # that depends on the exit object
1873 2755
1874 my $rmp = parse_random_map_params $exit->msg; 2756 my $rmp = parse_random_map_params $exit->msg;
1875 2757
1876 if ($exit->map) { 2758 if ($exit->map) {
1877 $rmp->{region} = $exit->map->region_name; 2759 $rmp->{region} = $exit->region->name;
1878 $rmp->{origin_map} = $exit->map->path; 2760 $rmp->{origin_map} = $exit->map->path;
1879 $rmp->{origin_x} = $exit->x; 2761 $rmp->{origin_x} = $exit->x;
1880 $rmp->{origin_y} = $exit->y; 2762 $rmp->{origin_y} = $exit->y;
2763
2764 $exit->map->touch;
1881 } 2765 }
1882 2766
1883 $rmp->{random_seed} ||= $exit->random_seed; 2767 $rmp->{random_seed} ||= $exit->random_seed;
1884 2768
1885 my $data = cf::to_json $rmp; 2769 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886 my $md5 = Digest::MD5::md5_hex $data; 2770 my $md5 = Digest::MD5::md5_hex $data;
1887 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2771 my $meta = "$RANDOMDIR/$md5.meta";
1888 2772
1889 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2773 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890 aio_write $fh, 0, (length $data), $data, 0; 2774 aio_write $fh, 0, (length $data), $data, 0;
1891 undef $fh; 2775 undef $fh;
1892 aio_rename "$meta~", $meta; 2776 aio_rename "$meta~", $meta;
1893 2777
2778 my $slaying = "?random/$md5";
2779
2780 if ($exit->valid) {
1894 $exit->slaying ("?random/$md5"); 2781 $exit->slaying ("?random/$md5");
1895 $exit->msg (undef); 2782 $exit->msg (undef);
2783 }
1896 } 2784 }
1897} 2785}
1898 2786
1899sub cf::object::player::enter_exit { 2787sub cf::object::player::enter_exit {
1900 my ($self, $exit) = @_; 2788 my ($self, $exit) = @_;
… …
1902 return unless $self->type == cf::PLAYER; 2790 return unless $self->type == cf::PLAYER;
1903 2791
1904 $self->enter_link; 2792 $self->enter_link;
1905 2793
1906 (async { 2794 (async {
1907 $self->deactivate_recursive; # just to be sure 2795 $Coro::current->{desc} = "enter_exit";
2796
1908 unless (eval { 2797 unless (eval {
2798 $self->deactivate_recursive; # just to be sure
2799
2800 # random map handling
2801 {
2802 my $guard = cf::lock_acquire "exit_prepare:$exit";
2803
1909 prepare_random_map $exit 2804 prepare_random_map $exit
1910 if $exit->slaying eq "/!"; 2805 if $exit->slaying eq "/!";
2806 }
1911 2807
1912 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2808 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2809 my $x = $exit->stats->hp;
2810 my $y = $exit->stats->sp;
1914 2811
2812 $self->goto ($map, $x, $y);
2813
2814 # if exit is damned, update players death & WoR home-position
2815 $self->contr->savebed ($map, $x, $y)
2816 if $exit->flag (cf::FLAG_DAMNED);
2817
1915 1; 2818 1
1916 }) { 2819 }) {
1917 $self->message ("Something went wrong deep within the crossfire server. " 2820 $self->message ("Something went wrong deep within the deliantra server. "
1918 . "I'll try to bring you back to the map you were before. " 2821 . "I'll try to bring you back to the map you were before. "
1919 . "Please report this to the dungeon master!", 2822 . "Please report this to the dungeon master!",
1920 cf::NDI_UNIQUE | cf::NDI_RED); 2823 cf::NDI_UNIQUE | cf::NDI_RED);
1921 2824
1922 warn "ERROR in enter_exit: $@"; 2825 warn "ERROR in enter_exit: $@";
1923 $self->leave_link; 2826 $self->leave_link;
1924 } 2827 }
1925 })->prio (1); 2828 })->prio (1);
… …
1938 2841
1939sub cf::client::send_drawinfo { 2842sub cf::client::send_drawinfo {
1940 my ($self, $text, $flags) = @_; 2843 my ($self, $text, $flags) = @_;
1941 2844
1942 utf8::encode $text; 2845 utf8::encode $text;
1943 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2846 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944} 2847}
1945 2848
2849=item $client->send_big_packet ($pkt)
2850
2851Like C<send_packet>, but tries to compress large packets, and fragments
2852them as required.
2853
2854=cut
2855
2856our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2857
2858sub cf::client::send_big_packet {
2859 my ($self, $pkt) = @_;
2860
2861 # try lzf for large packets
2862 $pkt = "lzf " . Compress::LZF::compress $pkt
2863 if 1024 <= length $pkt and $self->{can_lzf};
2864
2865 # split very large packets
2866 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2867 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2868 $pkt = "frag";
2869 }
2870
2871 $self->send_packet ($pkt);
2872}
2873
2874=item $client->send_msg ($channel, $msg, $color, [extra...])
2875
2876Send a drawinfo or msg packet to the client, formatting the msg for the
2877client if neccessary. C<$type> should be a string identifying the type of
2878the message, with C<log> being the default. If C<$color> is negative, suppress
2879the message unless the client supports the msg packet.
2880
2881=cut
2882
2883# non-persistent channels (usually the info channel)
2884our %CHANNEL = (
2885 "c/motd" => {
2886 id => "infobox",
2887 title => "MOTD",
2888 reply => undef,
2889 tooltip => "The message of the day",
2890 },
2891 "c/identify" => {
2892 id => "infobox",
2893 title => "Identify",
2894 reply => undef,
2895 tooltip => "Items recently identified",
2896 },
2897 "c/examine" => {
2898 id => "infobox",
2899 title => "Examine",
2900 reply => undef,
2901 tooltip => "Signs and other items you examined",
2902 },
2903 "c/shopinfo" => {
2904 id => "infobox",
2905 title => "Shop Info",
2906 reply => undef,
2907 tooltip => "What your bargaining skill tells you about the shop",
2908 },
2909 "c/book" => {
2910 id => "infobox",
2911 title => "Book",
2912 reply => undef,
2913 tooltip => "The contents of a note or book",
2914 },
2915 "c/lookat" => {
2916 id => "infobox",
2917 title => "Look",
2918 reply => undef,
2919 tooltip => "What you saw there",
2920 },
2921 "c/who" => {
2922 id => "infobox",
2923 title => "Players",
2924 reply => undef,
2925 tooltip => "Shows players who are currently online",
2926 },
2927 "c/body" => {
2928 id => "infobox",
2929 title => "Body Parts",
2930 reply => undef,
2931 tooltip => "Shows which body parts you posess and are available",
2932 },
2933 "c/statistics" => {
2934 id => "infobox",
2935 title => "Statistics",
2936 reply => undef,
2937 tooltip => "Shows your primary statistics",
2938 },
2939 "c/skills" => {
2940 id => "infobox",
2941 title => "Skills",
2942 reply => undef,
2943 tooltip => "Shows your experience per skill and item power",
2944 },
2945 "c/shopitems" => {
2946 id => "infobox",
2947 title => "Shop Items",
2948 reply => undef,
2949 tooltip => "Shows the items currently for sale in this shop",
2950 },
2951 "c/resistances" => {
2952 id => "infobox",
2953 title => "Resistances",
2954 reply => undef,
2955 tooltip => "Shows your resistances",
2956 },
2957 "c/pets" => {
2958 id => "infobox",
2959 title => "Pets",
2960 reply => undef,
2961 tooltip => "Shows information abotu your pets/a specific pet",
2962 },
2963 "c/perceiveself" => {
2964 id => "infobox",
2965 title => "Perceive Self",
2966 reply => undef,
2967 tooltip => "You gained detailed knowledge about yourself",
2968 },
2969 "c/uptime" => {
2970 id => "infobox",
2971 title => "Uptime",
2972 reply => undef,
2973 tooltip => "How long the server has been running since last restart",
2974 },
2975 "c/mapinfo" => {
2976 id => "infobox",
2977 title => "Map Info",
2978 reply => undef,
2979 tooltip => "Information related to the maps",
2980 },
2981 "c/party" => {
2982 id => "party",
2983 title => "Party",
2984 reply => "gsay ",
2985 tooltip => "Messages and chat related to your party",
2986 },
2987 "c/death" => {
2988 id => "death",
2989 title => "Death",
2990 reply => undef,
2991 tooltip => "Reason for and more info about your most recent death",
2992 },
2993 "c/say" => $SAY_CHANNEL,
2994 "c/chat" => $CHAT_CHANNEL,
2995);
2996
2997sub cf::client::send_msg {
2998 my ($self, $channel, $msg, $color, @extra) = @_;
2999
3000 $msg = $self->pl->expand_cfpod ($msg)
3001 unless $color & cf::NDI_VERBATIM;
3002
3003 $color &= cf::NDI_CLIENT_MASK; # just in case...
3004
3005 # check predefined channels, for the benefit of C
3006 if ($CHANNEL{$channel}) {
3007 $channel = $CHANNEL{$channel};
3008
3009 $self->ext_msg (channel_info => $channel);
3010 $channel = $channel->{id};
3011
3012 } elsif (ref $channel) {
3013 # send meta info to client, if not yet sent
3014 unless (exists $self->{channel}{$channel->{id}}) {
3015 $self->{channel}{$channel->{id}} = $channel;
3016 $self->ext_msg (channel_info => $channel);
3017 }
3018
3019 $channel = $channel->{id};
3020 }
3021
3022 return unless @extra || length $msg;
3023
3024 # default colour, mask it out
3025 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3026 if $color & cf::NDI_DEF;
3027
3028 my $pkt = "msg "
3029 . $self->{json_coder}->encode (
3030 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3031 );
3032
3033 $self->send_big_packet ($pkt);
3034}
3035
3036=item $client->ext_msg ($type, @msg)
3037
3038Sends an ext event to the client.
3039
3040=cut
3041
3042sub cf::client::ext_msg($$@) {
3043 my ($self, $type, @msg) = @_;
3044
3045 if ($self->extcmd == 2) {
3046 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3047 } elsif ($self->extcmd == 1) { # TODO: remove
3048 push @msg, msgtype => "event_$type";
3049 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3050 }
3051}
3052
3053=item $client->ext_reply ($msgid, @msg)
3054
3055Sends an ext reply to the client.
3056
3057=cut
3058
3059sub cf::client::ext_reply($$@) {
3060 my ($self, $id, @msg) = @_;
3061
3062 if ($self->extcmd == 2) {
3063 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3064 } elsif ($self->extcmd == 1) {
3065 #TODO: version 1, remove
3066 unshift @msg, msgtype => "reply", msgid => $id;
3067 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3068 }
3069}
1946 3070
1947=item $success = $client->query ($flags, "text", \&cb) 3071=item $success = $client->query ($flags, "text", \&cb)
1948 3072
1949Queues a query to the client, calling the given callback with 3073Queues a query to the client, calling the given callback with
1950the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3075C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952 3076
1953Queries can fail, so check the return code. Or don't, as queries will become 3077Queries can fail, so check the return code. Or don't, as queries will
1954reliable at some point in the future. 3078become reliable at some point in the future.
1955 3079
1956=cut 3080=cut
1957 3081
1958sub cf::client::query { 3082sub cf::client::query {
1959 my ($self, $flags, $text, $cb) = @_; 3083 my ($self, $flags, $text, $cb) = @_;
… …
1967 utf8::encode $text; 3091 utf8::encode $text;
1968 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3092 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969 3093
1970 $self->send_packet ($self->{query_queue}[0][0]) 3094 $self->send_packet ($self->{query_queue}[0][0])
1971 if @{ $self->{query_queue} } == 1; 3095 if @{ $self->{query_queue} } == 1;
3096
3097 1
1972} 3098}
1973 3099
1974cf::client->attach ( 3100cf::client->attach (
3101 on_connect => sub {
3102 my ($ns) = @_;
3103
3104 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3105 },
1975 on_reply => sub { 3106 on_reply => sub {
1976 my ($ns, $msg) = @_; 3107 my ($ns, $msg) = @_;
1977 3108
1978 # this weird shuffling is so that direct followup queries 3109 # this weird shuffling is so that direct followup queries
1979 # get handled first 3110 # get handled first
1980 my $queue = delete $ns->{query_queue} 3111 my $queue = delete $ns->{query_queue}
1981 or return; # be conservative, not sure how that can happen, but we saw a crash here 3112 or return; # be conservative, not sure how that can happen, but we saw a crash here
1982 3113
1983 (shift @$queue)->[1]->($msg); 3114 (shift @$queue)->[1]->($msg);
3115 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984 3116
1985 push @{ $ns->{query_queue} }, @$queue; 3117 push @{ $ns->{query_queue} }, @$queue;
1986 3118
1987 if (@{ $ns->{query_queue} } == @$queue) { 3119 if (@{ $ns->{query_queue} } == @$queue) {
1988 if (@$queue) { 3120 if (@$queue) {
… …
1990 } else { 3122 } else {
1991 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3123 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992 } 3124 }
1993 } 3125 }
1994 }, 3126 },
3127 on_exticmd => sub {
3128 my ($ns, $buf) = @_;
3129
3130 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3131
3132 if (ref $msg) {
3133 my ($type, $reply, @payload) =
3134 "ARRAY" eq ref $msg
3135 ? @$msg
3136 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3137
3138 my @reply;
3139
3140 if (my $cb = $EXTICMD{$type}) {
3141 @reply = $cb->($ns, @payload);
3142 }
3143
3144 $ns->ext_reply ($reply, @reply)
3145 if $reply;
3146
3147 } else {
3148 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3149 }
3150
3151 cf::override;
3152 },
1995); 3153);
1996 3154
1997=item $client->async (\&cb) 3155=item $client->async (\&cb)
1998 3156
1999Create a new coroutine, running the specified callback. The coroutine will 3157Create a new coroutine, running the specified callback. The coroutine will
… …
2015 3173
2016 $coro 3174 $coro
2017} 3175}
2018 3176
2019cf::client->attach ( 3177cf::client->attach (
2020 on_destroy => sub { 3178 on_client_destroy => sub {
2021 my ($ns) = @_; 3179 my ($ns) = @_;
2022 3180
2023 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3181 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024 }, 3182 },
2025); 3183);
… …
2040our $safe = new Safe "safe"; 3198our $safe = new Safe "safe";
2041our $safe_hole = new Safe::Hole; 3199our $safe_hole = new Safe::Hole;
2042 3200
2043$SIG{FPE} = 'IGNORE'; 3201$SIG{FPE} = 'IGNORE';
2044 3202
2045$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3203$safe->permit_only (Opcode::opset qw(
3204 :base_core :base_mem :base_orig :base_math :base_loop
3205 grepstart grepwhile mapstart mapwhile
3206 sort time
3207));
2046 3208
2047# here we export the classes and methods available to script code 3209# here we export the classes and methods available to script code
2048 3210
2049=pod 3211=pod
2050 3212
2051The following fucntions and emthods are available within a safe environment: 3213The following functions and methods are available within a safe environment:
2052 3214
2053 cf::object contr pay_amount pay_player map 3215 cf::object
3216 contr pay_amount pay_player map x y force_find force_add destroy
3217 insert remove name archname title slaying race decrease split
3218 value
3219
2054 cf::object::player player 3220 cf::object::player
2055 cf::player peaceful 3221 player
2056 cf::map trigger 3222
3223 cf::player
3224 peaceful
3225
3226 cf::map
3227 trigger
2057 3228
2058=cut 3229=cut
2059 3230
2060for ( 3231for (
2061 ["cf::object" => qw(contr pay_amount pay_player map)], 3232 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3233 insert remove inv nrof name archname title slaying race
3234 decrease split destroy change_exp value msg lore send_msg)],
2062 ["cf::object::player" => qw(player)], 3235 ["cf::object::player" => qw(player)],
2063 ["cf::player" => qw(peaceful)], 3236 ["cf::player" => qw(peaceful send_msg)],
2064 ["cf::map" => qw(trigger)], 3237 ["cf::map" => qw(trigger)],
2065) { 3238) {
2066 no strict 'refs'; 3239 no strict 'refs';
2067 my ($pkg, @funs) = @$_; 3240 my ($pkg, @funs) = @$_;
2068 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3241 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2086 3259
2087 my $qcode = $code; 3260 my $qcode = $code;
2088 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3261 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2089 $qcode =~ s/\n/\\n/g; 3262 $qcode =~ s/\n/\\n/g;
2090 3263
3264 %vars = (_dummy => 0) unless %vars;
3265
3266 my @res;
2091 local $_; 3267 local $_;
2092 local @safe::cf::_safe_eval_args = values %vars;
2093 3268
2094 my $eval = 3269 my $eval =
2095 "do {\n" 3270 "do {\n"
2096 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3271 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097 . "#line 0 \"{$qcode}\"\n" 3272 . "#line 0 \"{$qcode}\"\n"
2098 . $code 3273 . $code
2099 . "\n}" 3274 . "\n}"
2100 ; 3275 ;
2101 3276
3277 if ($CFG{safe_eval}) {
2102 sub_generation_inc; 3278 sub_generation_inc;
3279 local @safe::cf::_safe_eval_args = values %vars;
2103 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3280 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104 sub_generation_inc; 3281 sub_generation_inc;
3282 } else {
3283 local @cf::_safe_eval_args = values %vars;
3284 @res = wantarray ? eval eval : scalar eval $eval;
3285 }
2105 3286
2106 if ($@) { 3287 if ($@) {
2107 warn "$@"; 3288 warn "$@";
2108 warn "while executing safe code '$code'\n"; 3289 warn "while executing safe code '$code'\n";
2109 warn "with arguments " . (join " ", %vars) . "\n"; 3290 warn "with arguments " . (join " ", %vars) . "\n";
… …
2128=cut 3309=cut
2129 3310
2130sub register_script_function { 3311sub register_script_function {
2131 my ($fun, $cb) = @_; 3312 my ($fun, $cb) = @_;
2132 3313
2133 no strict 'refs'; 3314 $fun = "safe::$fun" if $CFG{safe_eval};
2134 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3315 *$fun = $safe_hole->wrap ($cb);
2135} 3316}
2136 3317
2137=back 3318=back
2138 3319
2139=cut 3320=cut
2140 3321
2141############################################################################# 3322#############################################################################
3323# the server's init and main functions
2142 3324
2143=head2 EXTENSION DATABASE SUPPORT 3325sub load_facedata($) {
3326 my ($path) = @_;
2144 3327
2145Crossfire maintains a very simple database for extension use. It can 3328 # HACK to clear player env face cache, we need some signal framework
2146currently store anything that can be serialised using Storable, which 3329 # for this (global event?)
2147excludes objects. 3330 %ext::player_env::MUSIC_FACE_CACHE = ();
2148 3331
2149The parameter C<$family> should best start with the name of the extension 3332 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150using it, it should be unique.
2151 3333
2152=over 4 3334 warn "loading facedata from $path\n";
2153 3335
2154=item $hashref = cf::db_get $family 3336 my $facedata;
3337 0 < aio_load $path, $facedata
3338 or die "$path: $!";
2155 3339
2156Return a hashref for use by the extension C<$family>, which can be 3340 $facedata = Coro::Storable::thaw $facedata;
2157modified. After modifications, you have to call C<cf::db_dirty> or
2158C<cf::db_sync>.
2159 3341
2160=item $value = cf::db_get $family => $key 3342 $facedata->{version} == 2
3343 or cf::cleanup "$path: version mismatch, cannot proceed.";
2161 3344
2162Returns a single value from the database 3345 # patch in the exptable
2163 3346 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2164=item cf::db_put $family => $hashref 3347 $facedata->{resource}{"res/exp_table"} = {
2165 3348 type => FT_RSRC,
2166Stores the given family hashref into the database. Updates are delayed, if 3349 data => $exp_table,
2167you want the data to be synced to disk immediately, use C<cf::db_sync>. 3350 hash => (Digest::MD5::md5 $exp_table),
2168
2169=item cf::db_put $family => $key => $value
2170
2171Stores the given C<$value> in the family hash. Updates are delayed, if you
2172want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174=item cf::db_dirty
2175
2176Marks the database as dirty, to be updated at a later time.
2177
2178=item cf::db_sync
2179
2180Immediately write the database to disk I<if it is dirty>.
2181
2182=cut
2183
2184our $DB;
2185
2186{
2187 my $path = cf::localdir . "/database.pst";
2188
2189 sub db_load() {
2190 $DB = stat $path ? Storable::retrieve $path : { };
2191 } 3351 };
3352 cf::cede_to_tick;
2192 3353
2193 my $pid;
2194
2195 sub db_save() {
2196 waitpid $pid, 0 if $pid;
2197 if (0 == ($pid = fork)) {
2198 $DB->{_meta}{version} = 1;
2199 Storable::nstore $DB, "$path~";
2200 rename "$path~", $path;
2201 cf::_exit 0 if defined $pid;
2202 }
2203 } 3354 {
3355 my $faces = $facedata->{faceinfo};
2204 3356
2205 my $dirty; 3357 while (my ($face, $info) = each %$faces) {
3358 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206 3359
2207 sub db_sync() { 3360 cf::face::set_visibility $idx, $info->{visibility};
2208 db_save if $dirty; 3361 cf::face::set_magicmap $idx, $info->{magicmap};
2209 undef $dirty; 3362 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210 } 3363 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2211 3364
2212 my $idle = Event->idle ( 3365 cf::cede_to_tick;
2213 reentrant => 0,
2214 min => 10,
2215 max => 20,
2216 repeat => 0,
2217 data => WF_AUTOCANCEL,
2218 cb => \&db_sync,
2219 );
2220
2221 sub db_dirty() {
2222 $dirty = 1;
2223 $idle->start;
2224 }
2225
2226 sub db_get($;$) {
2227 @_ >= 2
2228 ? $DB->{$_[0]}{$_[1]}
2229 : ($DB->{$_[0]} ||= { })
2230 }
2231
2232 sub db_put($$;$) {
2233 if (@_ >= 3) {
2234 $DB->{$_[0]}{$_[1]} = $_[2];
2235 } else {
2236 $DB->{$_[0]} = $_[1];
2237 }
2238 db_dirty;
2239 }
2240
2241 cf::global->attach (
2242 prio => 10000,
2243 on_cleanup => sub {
2244 db_sync;
2245 }, 3366 }
2246 );
2247}
2248 3367
2249############################################################################# 3368 while (my ($face, $info) = each %$faces) {
2250# the server's main() 3369 next unless $info->{smooth};
2251 3370
2252sub cfg_load { 3371 my $idx = cf::face::find $face
3372 or next;
3373
3374 if (my $smooth = cf::face::find $info->{smooth}) {
3375 cf::face::set_smooth $idx, $smooth;
3376 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3377 } else {
3378 warn "smooth face '$info->{smooth}' not found for face '$face'";
3379 }
3380
3381 cf::cede_to_tick;
3382 }
3383 }
3384
3385 {
3386 my $anims = $facedata->{animinfo};
3387
3388 while (my ($anim, $info) = each %$anims) {
3389 cf::anim::set $anim, $info->{frames}, $info->{facings};
3390 cf::cede_to_tick;
3391 }
3392
3393 cf::anim::invalidate_all; # d'oh
3394 }
3395
3396 {
3397 my $res = $facedata->{resource};
3398
3399 while (my ($name, $info) = each %$res) {
3400 if (defined $info->{type}) {
3401 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3402
3403 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3404 cf::face::set_type $idx, $info->{type};
3405 } else {
3406 $RESOURCE{$name} = $info;
3407 }
3408
3409 cf::cede_to_tick;
3410 }
3411 }
3412
3413 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3414
3415 1
3416}
3417
3418cf::global->attach (on_resource_update => sub {
3419 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3420 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3421
3422 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3423 my $sound = $soundconf->{compat}[$_]
3424 or next;
3425
3426 my $face = cf::face::find "sound/$sound->[1]";
3427 cf::sound::set $sound->[0] => $face;
3428 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3429 }
3430
3431 while (my ($k, $v) = each %{$soundconf->{event}}) {
3432 my $face = cf::face::find "sound/$v";
3433 cf::sound::set $k => $face;
3434 }
3435 }
3436});
3437
3438register_exticmd fx_want => sub {
3439 my ($ns, $want) = @_;
3440
3441 while (my ($k, $v) = each %$want) {
3442 $ns->fx_want ($k, $v);
3443 }
3444};
3445
3446sub load_resource_file($) {
3447 my $guard = lock_acquire "load_resource_file";
3448
3449 my $status = load_resource_file_ $_[0];
3450 get_slot 0.1, 100;
3451 cf::arch::commit_load;
3452
3453 $status
3454}
3455
3456sub reload_regions {
3457 # HACK to clear player env face cache, we need some signal framework
3458 # for this (global event?)
3459 %ext::player_env::MUSIC_FACE_CACHE = ();
3460
3461 load_resource_file "$MAPDIR/regions"
3462 or die "unable to load regions file\n";
3463
3464 for (cf::region::list) {
3465 $_->{match} = qr/$_->{match}/
3466 if exists $_->{match};
3467 }
3468}
3469
3470sub reload_facedata {
3471 load_facedata "$DATADIR/facedata"
3472 or die "unable to load facedata\n";
3473}
3474
3475sub reload_archetypes {
3476 load_resource_file "$DATADIR/archetypes"
3477 or die "unable to load archetypes\n";
3478}
3479
3480sub reload_treasures {
3481 load_resource_file "$DATADIR/treasures"
3482 or die "unable to load treasurelists\n";
3483}
3484
3485sub reload_resources {
3486 warn "reloading resource files...\n";
3487
3488 reload_facedata;
3489 reload_archetypes;
3490 reload_regions;
3491 reload_treasures;
3492
3493 warn "finished reloading resource files\n";
3494}
3495
3496sub reload_config {
3497 warn "reloading config file...\n";
3498
2253 open my $fh, "<:utf8", cf::confdir . "/config" 3499 open my $fh, "<:utf8", "$CONFDIR/config"
2254 or return; 3500 or return;
2255 3501
2256 local $/; 3502 local $/;
2257 *CFG = YAML::Syck::Load <$fh>; 3503 *CFG = YAML::XS::Load scalar <$fh>;
2258 3504
2259 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3505 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260 3506
2261 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3507 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3508 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2266 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3512 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267 and die "WARNING: m(un)lockall failed: $!\n"; 3513 and die "WARNING: m(un)lockall failed: $!\n";
2268 }; 3514 };
2269 warn $@ if $@; 3515 warn $@ if $@;
2270 } 3516 }
3517
3518 warn "finished reloading resource files\n";
3519}
3520
3521sub pidfile() {
3522 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3523 or die "$PIDFILE: $!";
3524 flock $fh, &Fcntl::LOCK_EX
3525 or die "$PIDFILE: flock: $!";
3526 $fh
3527}
3528
3529# make sure only one server instance is running at any one time
3530sub atomic {
3531 my $fh = pidfile;
3532
3533 my $pid = <$fh>;
3534 kill 9, $pid if $pid > 0;
3535
3536 seek $fh, 0, 0;
3537 print $fh $$;
3538}
3539
3540sub main_loop {
3541 warn "EV::loop starting\n";
3542 if (1) {
3543 EV::loop;
3544 }
3545 warn "EV::loop returned\n";
3546 goto &main_loop unless $REALLY_UNLOOP;
2271} 3547}
2272 3548
2273sub main { 3549sub main {
3550 cf::init_globals; # initialise logging
3551
3552 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3553 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3554 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3555 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3556
3557 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3558
2274 # we must not ever block the main coroutine 3559 # we must not ever block the main coroutine
2275 local $Coro::idle = sub { 3560 local $Coro::idle = sub {
2276 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3561 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277 (async { 3562 (async {
2278 Event::one_event; 3563 $Coro::current->{desc} = "IDLE BUG HANDLER";
3564 EV::loop EV::LOOP_ONESHOT;
2279 })->prio (Coro::PRIO_MAX); 3565 })->prio (Coro::PRIO_MAX);
2280 }; 3566 };
2281 3567
2282 cfg_load; 3568 evthread_start IO::AIO::poll_fileno;
2283 db_load; 3569
3570 cf::sync_job {
3571 cf::init_experience;
3572 cf::init_anim;
3573 cf::init_attackmess;
3574 cf::init_dynamic;
3575
3576 cf::load_settings;
3577 cf::load_materials;
3578
3579 reload_resources;
3580 reload_config;
3581 db_init;
3582
3583 cf::init_uuid;
3584 cf::init_signals;
3585 cf::init_skills;
3586
3587 cf::init_beforeplay;
3588
3589 atomic;
3590
2284 load_extensions; 3591 load_extensions;
2285 3592
2286 $TICK_WATCHER->start; 3593 utime time, time, $RUNTIMEFILE;
2287 Event::loop; 3594
3595 # no (long-running) fork's whatsoever before this point(!)
3596 use POSIX ();
3597 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3598
3599 (pop @POST_INIT)->(0) while @POST_INIT;
3600 };
3601
3602 cf::object::thawer::errors_are_fatal 0;
3603 warn "parse errors in files are no longer fatal from this point on.\n";
3604
3605 main_loop;
2288} 3606}
2289 3607
2290############################################################################# 3608#############################################################################
2291# initialisation and cleanup 3609# initialisation and cleanup
2292 3610
2293# install some emergency cleanup handlers 3611# install some emergency cleanup handlers
2294BEGIN { 3612BEGIN {
3613 our %SIGWATCHER = ();
2295 for my $signal (qw(INT HUP TERM)) { 3614 for my $signal (qw(INT HUP TERM)) {
2296 Event->signal ( 3615 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2297 reentrant => 0,
2298 data => WF_AUTOCANCEL,
2299 signal => $signal,
2300 prio => 0,
2301 cb => sub {
2302 cf::cleanup "SIG$signal"; 3616 cf::cleanup "SIG$signal";
2303 },
2304 ); 3617 };
3618 }
3619}
3620
3621sub write_runtime_sync {
3622 my $t0 = AE::time;
3623
3624 # first touch the runtime file to show we are still running:
3625 # the fsync below can take a very very long time.
3626
3627 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3628
3629 my $guard = cf::lock_acquire "write_runtime";
3630
3631 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3632 or return;
3633
3634 my $value = $cf::RUNTIME + 90 + 10;
3635 # 10 is the runtime save interval, for a monotonic clock
3636 # 60 allows for the watchdog to kill the server.
3637
3638 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3639 and return;
3640
3641 # always fsync - this file is important
3642 aio_fsync $fh
3643 and return;
3644
3645 # touch it again to show we are up-to-date
3646 aio_utime $fh, undef, undef;
3647
3648 close $fh
3649 or return;
3650
3651 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3652 and return;
3653
3654 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3655
2305 } 3656 1
3657}
3658
3659our $uuid_lock;
3660our $uuid_skip;
3661
3662sub write_uuid_sync($) {
3663 $uuid_skip ||= $_[0];
3664
3665 return if $uuid_lock;
3666 local $uuid_lock = 1;
3667
3668 my $uuid = "$LOCALDIR/uuid";
3669
3670 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3671 or return;
3672
3673 my $value = uuid_seq uuid_cur;
3674
3675 unless ($value) {
3676 warn "cowardly refusing to write zero uuid value!\n";
3677 return;
3678 }
3679
3680 my $value = uuid_str $value + $uuid_skip;
3681 $uuid_skip = 0;
3682
3683 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3684 and return;
3685
3686 # always fsync - this file is important
3687 aio_fsync $fh
3688 and return;
3689
3690 close $fh
3691 or return;
3692
3693 aio_rename "$uuid~", $uuid
3694 and return;
3695
3696 warn "uuid file written ($value).\n";
3697
3698 1
3699
3700}
3701
3702sub write_uuid($$) {
3703 my ($skip, $sync) = @_;
3704
3705 $sync ? write_uuid_sync $skip
3706 : async { write_uuid_sync $skip };
2306} 3707}
2307 3708
2308sub emergency_save() { 3709sub emergency_save() {
2309 my $freeze_guard = cf::freeze_mainloop; 3710 my $freeze_guard = cf::freeze_mainloop;
2310 3711
2311 warn "enter emergency perl save\n"; 3712 warn "emergency_perl_save: enter\n";
2312 3713
2313 cf::sync_job { 3714 cf::sync_job {
3715 # this is a trade-off: we want to be very quick here, so
3716 # save all maps without fsync, and later call a global sync
3717 # (which in turn might be very very slow)
3718 local $USE_FSYNC = 0;
3719
2314 # use a peculiar iteration method to avoid tripping on perl 3720 # use a peculiar iteration method to avoid tripping on perl
2315 # refcount bugs in for. also avoids problems with players 3721 # refcount bugs in for. also avoids problems with players
2316 # and maps saved/destroyed asynchronously. 3722 # and maps saved/destroyed asynchronously.
2317 warn "begin emergency player save\n"; 3723 warn "emergency_perl_save: begin player save\n";
2318 for my $login (keys %cf::PLAYER) { 3724 for my $login (keys %cf::PLAYER) {
2319 my $pl = $cf::PLAYER{$login} or next; 3725 my $pl = $cf::PLAYER{$login} or next;
2320 $pl->valid or next; 3726 $pl->valid or next;
3727 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321 $pl->save; 3728 $pl->save;
2322 } 3729 }
2323 warn "end emergency player save\n"; 3730 warn "emergency_perl_save: end player save\n";
2324 3731
2325 warn "begin emergency map save\n"; 3732 warn "emergency_perl_save: begin map save\n";
2326 for my $path (keys %cf::MAP) { 3733 for my $path (keys %cf::MAP) {
2327 my $map = $cf::MAP{$path} or next; 3734 my $map = $cf::MAP{$path} or next;
2328 $map->valid or next; 3735 $map->valid or next;
2329 $map->save; 3736 $map->save;
2330 } 3737 }
2331 warn "end emergency map save\n"; 3738 warn "emergency_perl_save: end map save\n";
3739
3740 warn "emergency_perl_save: begin database checkpoint\n";
3741 BDB::db_env_txn_checkpoint $DB_ENV;
3742 warn "emergency_perl_save: end database checkpoint\n";
3743
3744 warn "emergency_perl_save: begin write uuid\n";
3745 write_uuid_sync 1;
3746 warn "emergency_perl_save: end write uuid\n";
2332 }; 3747 };
2333 3748
3749 warn "emergency_perl_save: starting sync()\n";
3750 IO::AIO::aio_sync sub {
3751 warn "emergency_perl_save: finished sync()\n";
3752 };
3753
2334 warn "leave emergency perl save\n"; 3754 warn "emergency_perl_save: leave\n";
2335} 3755}
2336 3756
3757sub post_cleanup {
3758 my ($make_core) = @_;
3759
3760 warn Carp::longmess "post_cleanup backtrace"
3761 if $make_core;
3762
3763 my $fh = pidfile;
3764 unlink $PIDFILE if <$fh> == $$;
3765}
3766
3767# a safer delete_package, copied from Symbol
3768sub clear_package($) {
3769 my $pkg = shift;
3770
3771 # expand to full symbol table name if needed
3772 unless ($pkg =~ /^main::.*::$/) {
3773 $pkg = "main$pkg" if $pkg =~ /^::/;
3774 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3775 $pkg .= '::' unless $pkg =~ /::$/;
3776 }
3777
3778 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3779 my $stem_symtab = *{$stem}{HASH};
3780
3781 defined $stem_symtab and exists $stem_symtab->{$leaf}
3782 or return;
3783
3784 # clear all symbols
3785 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3786 for my $name (keys %$leaf_symtab) {
3787 _gv_clear *{"$pkg$name"};
3788# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3789 }
3790 warn "cleared package $pkg\n";#d#
3791}
3792
2337sub reload() { 3793sub do_reload_perl() {
2338 # can/must only be called in main 3794 # can/must only be called in main
2339 if ($Coro::current != $Coro::main) { 3795 if ($Coro::current != $Coro::main) {
2340 warn "can only reload from main coroutine"; 3796 warn "can only reload from main coroutine";
2341 return; 3797 return;
2342 } 3798 }
2343 3799
3800 return if $RELOAD++;
3801
3802 my $t1 = AE::time;
3803
3804 while ($RELOAD) {
2344 warn "reloading..."; 3805 warn "reloading...";
2345 3806
2346 warn "cancelling server ticker"; 3807 warn "entering sync_job";
2347 $TICK_WATCHER->cancel;
2348 3808
3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
2349 cf::emergency_save; 3811 cf::emergency_save;
3812 cf::write_runtime_sync; # external watchdog should not bark
2350 3813
2351 eval { 3814 warn "syncing database to disk";
3815 BDB::db_env_txn_checkpoint $DB_ENV;
3816
2352 # if anything goes wrong in here, we should simply crash as we already saved 3817 # if anything goes wrong in here, we should simply crash as we already saved
2353 3818
2354 warn "syncing database to disk";
2355 cf::db_sync;
2356
2357 warn "cancelling all WF_AUTOCANCEL watchers";
2358 for (Event::all_watchers) {
2359 $_->cancel if $_->data & WF_AUTOCANCEL;
2360 }
2361
2362 warn "flushing outstanding aio requests"; 3819 warn "flushing outstanding aio requests";
2363 for (;;) { 3820 while (IO::AIO::nreqs || BDB::nreqs) {
2364 IO::AIO::flush; 3821 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2365 Coro::cede;
2366 last unless IO::AIO::nreqs;
2367 warn "iterate...";
2368 }
2369
2370 warn "cancelling all extension coros";
2371 $_->cancel for values %EXT_CORO;
2372 %EXT_CORO = ();
2373
2374 warn "removing commands";
2375 %COMMAND = ();
2376
2377 warn "removing ext commands";
2378 %EXTCMD = ();
2379
2380 warn "unloading/nuking all extensions";
2381 for my $pkg (@EXTS) {
2382 warn "... unloading $pkg";
2383
2384 if (my $cb = $pkg->can ("unload")) {
2385 eval {
2386 $cb->($pkg);
2387 1
2388 } or warn "$pkg unloaded, but with errors: $@";
2389 } 3822 }
2390 3823
2391 warn "... nuking $pkg"; 3824 warn "cancelling all extension coros";
2392 Symbol::delete_package $pkg; 3825 $_->cancel for values %EXT_CORO;
2393 } 3826 %EXT_CORO = ();
2394 3827
2395 warn "unloading all perl modules loaded from $LIBDIR"; 3828 warn "removing commands";
2396 while (my ($k, $v) = each %INC) { 3829 %COMMAND = ();
2397 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398 3830
3831 warn "removing ext/exti commands";
3832 %EXTCMD = ();
3833 %EXTICMD = ();
3834
3835 warn "unloading/nuking all extensions";
3836 for my $pkg (@EXTS) {
2399 warn "... unloading $k"; 3837 warn "... unloading $pkg";
2400 delete $INC{$k};
2401 3838
2402 $k =~ s/\.pm$//;
2403 $k =~ s/\//::/g;
2404
2405 if (my $cb = $k->can ("unload_module")) { 3839 if (my $cb = $pkg->can ("unload")) {
3840 eval {
2406 $cb->(); 3841 $cb->($pkg);
3842 1
3843 } or warn "$pkg unloaded, but with errors: $@";
3844 }
3845
3846 warn "... clearing $pkg";
3847 clear_package $pkg;
2407 } 3848 }
2408 3849
2409 Symbol::delete_package $k; 3850 warn "unloading all perl modules loaded from $LIBDIR";
3851 while (my ($k, $v) = each %INC) {
3852 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3853
3854 warn "... unloading $k";
3855 delete $INC{$k};
3856
3857 $k =~ s/\.pm$//;
3858 $k =~ s/\//::/g;
3859
3860 if (my $cb = $k->can ("unload_module")) {
3861 $cb->();
3862 }
3863
3864 clear_package $k;
2410 } 3865 }
2411 3866
2412 warn "getting rid of safe::, as good as possible"; 3867 warn "getting rid of safe::, as good as possible";
2413 Symbol::delete_package "safe::$_" 3868 clear_package "safe::$_"
2414 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3869 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415 3870
2416 warn "unloading cf.pm \"a bit\""; 3871 warn "unloading cf.pm \"a bit\"";
2417 delete $INC{"cf.pm"}; 3872 delete $INC{"cf.pm"};
3873 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418 3874
2419 # don't, removes xs symbols, too, 3875 # don't, removes xs symbols, too,
2420 # and global variables created in xs 3876 # and global variables created in xs
2421 #Symbol::delete_package __PACKAGE__; 3877 #clear_package __PACKAGE__;
2422 3878
2423 warn "unload completed, starting to reload now"; 3879 warn "unload completed, starting to reload now";
2424 3880
2425 warn "reloading cf.pm"; 3881 warn "reloading cf.pm";
2426 require cf; 3882 require cf;
2427 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3883 cf::_connect_to_perl_1;
2428 3884
2429 warn "loading config and database again"; 3885 warn "loading config and database again";
2430 cf::cfg_load; 3886 cf::reload_config;
2431 cf::db_load;
2432 3887
2433 warn "loading extensions"; 3888 warn "loading extensions";
2434 cf::load_extensions; 3889 cf::load_extensions;
2435 3890
3891 if ($REATTACH_ON_RELOAD) {
2436 warn "reattaching attachments to objects/players"; 3892 warn "reattaching attachments to objects/players";
2437 _global_reattach; 3893 _global_reattach; # objects, sockets
2438 warn "reattaching attachments to maps"; 3894 warn "reattaching attachments to maps";
2439 reattach $_ for values %MAP; 3895 reattach $_ for values %MAP;
3896 warn "reattaching attachments to players";
3897 reattach $_ for values %PLAYER;
3898 }
2440 3899
2441 warn "restarting server ticker"; 3900 warn "running post_init jobs";
3901 (pop @POST_INIT)->(1) while @POST_INIT;
2442 3902
2443 $TICK_WATCHER->start; 3903 warn "leaving sync_job";
3904
3905 1
3906 } or do {
3907 warn $@;
3908 cf::cleanup "error while reloading, exiting.";
3909 };
3910
3911 warn "reloaded";
3912 --$RELOAD;
3913 }
3914
3915 $t1 = AE::time - $t1;
3916 warn "reload completed in ${t1}s\n";
3917};
3918
3919our $RELOAD_WATCHER; # used only during reload
3920
3921sub reload_perl() {
3922 # doing reload synchronously and two reloads happen back-to-back,
3923 # coro crashes during coro_state_free->destroy here.
3924
3925 $RELOAD_WATCHER ||= cf::async {
3926 Coro::AIO::aio_wait cache_extensions;
3927
3928 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3929 do_reload_perl;
3930 undef $RELOAD_WATCHER;
3931 };
2444 }; 3932 };
2445 3933}
2446 if ($@) {
2447 warn $@;
2448 warn "error while reloading, exiting.";
2449 exit 1;
2450 }
2451
2452 warn "reloaded";
2453};
2454
2455our $RELOAD_WATCHER; # used only during reload
2456 3934
2457register_command "reload" => sub { 3935register_command "reload" => sub {
2458 my ($who, $arg) = @_; 3936 my ($who, $arg) = @_;
2459 3937
2460 if ($who->flag (FLAG_WIZ)) { 3938 if ($who->flag (FLAG_WIZ)) {
2461 $who->message ("reloading server."); 3939 $who->message ("reloading server.");
2462 3940 async {
2463 # doing reload synchronously and two reloads happen back-to-back, 3941 $Coro::current->{desc} = "perl_reload";
2464 # coro crashes during coro_state_free->destroy here.
2465
2466 $RELOAD_WATCHER ||= Event->timer (
2467 reentrant => 0,
2468 after => 0,
2469 data => WF_AUTOCANCEL,
2470 cb => sub {
2471 reload; 3942 reload_perl;
2472 undef $RELOAD_WATCHER;
2473 },
2474 ); 3943 };
2475 } 3944 }
2476}; 3945};
2477 3946
2478unshift @INC, $LIBDIR; 3947unshift @INC, $LIBDIR;
2479 3948
2480my $bug_warning = 0; 3949my $bug_warning = 0;
2481 3950
2482$TICK_WATCHER = Event->timer ( 3951our @WAIT_FOR_TICK;
2483 reentrant => 0, 3952our @WAIT_FOR_TICK_BEGIN;
2484 parked => 1, 3953
2485 prio => 0, 3954sub wait_for_tick {
2486 at => $NEXT_TICK || $TICK, 3955 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2487 data => WF_AUTOCANCEL, 3956
2488 cb => sub { 3957 my $signal = new Coro::Signal;
3958 push @WAIT_FOR_TICK, $signal;
3959 $signal->wait;
3960}
3961
3962sub wait_for_tick_begin {
3963 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3964
3965 my $signal = new Coro::Signal;
3966 push @WAIT_FOR_TICK_BEGIN, $signal;
3967 $signal->wait;
3968}
3969
3970sub tick {
2489 if ($Coro::current != $Coro::main) { 3971 if ($Coro::current != $Coro::main) {
2490 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3972 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491 unless ++$bug_warning > 10; 3973 unless ++$bug_warning > 10;
2492 return; 3974 return;
2493 } 3975 }
2494 3976
2495 $NOW = Event::time;
2496
2497 cf::server_tick; # one server iteration 3977 cf::server_tick; # one server iteration
2498 $RUNTIME += $TICK;
2499 $NEXT_TICK += $TICK;
2500 3978
2501 $WAIT_FOR_TICK->broadcast; 3979 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2502 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503 3980
2504 Event::sweep; 3981 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2505 Coro::cede_notself; 3982 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2506 3983 Coro::async_pool {
2507# my $AFTER = Event::time; 3984 $Coro::current->{desc} = "runtime saver";
2508# warn $AFTER - $NOW;#d#
2509
2510 # if we are delayed by four ticks or more, skip them all
2511 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513 $TICK_WATCHER->at ($NEXT_TICK);
2514 $TICK_WATCHER->start;
2515 },
2516);
2517
2518IO::AIO::max_poll_time $TICK * 0.1;
2519
2520undef $Coro::AIO::WATCHER;
2521$AIO_POLL_WATCHER = Event->io (
2522 reentrant => 0,
2523 fd => IO::AIO::poll_fileno,
2524 poll => 'r',
2525 prio => 6,
2526 data => WF_AUTOCANCEL,
2527 cb => \&IO::AIO::poll_cb,
2528);
2529
2530$WRITE_RUNTIME_WATCHER = Event->timer (
2531 reentrant => 0,
2532 data => WF_AUTOCANCEL,
2533 after => 1,
2534 interval => 10,
2535 prio => 6, # keep it lowest so it acts like a watchdog
2536 cb => Coro::unblock_sub {
2537 write_runtime 3985 write_runtime_sync
2538 or warn "ERROR: unable to write runtime file: $!"; 3986 or warn "ERROR: unable to write runtime file: $!";
3987 };
2539 }, 3988 }
2540); 3989
3990 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3991 $sig->send;
3992 }
3993 while (my $sig = shift @WAIT_FOR_TICK) {
3994 $sig->send;
3995 }
3996
3997 $LOAD = ($NOW - $TICK_START) / $TICK;
3998 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3999
4000 if (0) {
4001 if ($NEXT_TICK) {
4002 my $jitter = $TICK_START - $NEXT_TICK;
4003 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4004 warn "jitter $JITTER\n";#d#
4005 }
4006 }
4007}
4008
4009{
4010 # configure BDB
4011
4012 BDB::min_parallel 16;
4013 BDB::max_poll_reqs $TICK * 0.1;
4014 $AnyEvent::BDB::WATCHER->priority (1);
4015
4016 unless ($DB_ENV) {
4017 $DB_ENV = BDB::db_env_create;
4018 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4019 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4020 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4021 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4022 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4023
4024 cf::sync_job {
4025 eval {
4026 BDB::db_env_open
4027 $DB_ENV,
4028 $BDBDIR,
4029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4031 0666;
4032
4033 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4034 };
4035
4036 cf::cleanup "db_env_open(db): $@" if $@;
4037 };
4038 }
4039
4040 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4041 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4042 };
4043 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4044 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4045 };
4046 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4047 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4048 };
4049}
4050
4051{
4052 # configure IO::AIO
4053
4054 IO::AIO::min_parallel 8;
4055 IO::AIO::max_poll_time $TICK * 0.1;
4056 undef $AnyEvent::AIO::WATCHER;
4057}
4058
4059my $_log_backtrace;
4060
4061sub _log_backtrace {
4062 my ($msg, @addr) = @_;
4063
4064 $msg =~ s/\n//;
4065
4066 # limit the # of concurrent backtraces
4067 if ($_log_backtrace < 2) {
4068 ++$_log_backtrace;
4069 my $perl_bt = Carp::longmess $msg;
4070 async {
4071 $Coro::current->{desc} = "abt $msg";
4072
4073 my @bt = fork_call {
4074 @addr = map { sprintf "%x", $_ } @addr;
4075 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4076 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4077 or die "addr2line: $!";
4078
4079 my @funcs;
4080 my @res = <$fh>;
4081 chomp for @res;
4082 while (@res) {
4083 my ($func, $line) = splice @res, 0, 2, ();
4084 push @funcs, "[$func] $line";
4085 }
4086
4087 @funcs
4088 };
4089
4090 LOG llevInfo, "[ABT] $perl_bt\n";
4091 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4092 LOG llevInfo, "[ABT] $_\n" for @bt;
4093 --$_log_backtrace;
4094 };
4095 } else {
4096 LOG llevInfo, "[ABT] $msg\n";
4097 LOG llevInfo, "[ABT] [suppressed]\n";
4098 }
4099}
4100
4101# load additional modules
4102require "cf/$_.pm" for @EXTRA_MODULES;
4103cf::_connect_to_perl_2;
2541 4104
2542END { cf::emergency_save } 4105END { cf::emergency_save }
2543 4106
25441 41071
2545 4108

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