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Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC vs.
Revision 1.517 by root, Thu Apr 15 06:07:51 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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 577=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 578
358 aio_fsync $fh 579sub fork_call(&@) {
359 and return; 580 my ($cb, @args) = @_;
360 581
361 close $fh 582 # we seemingly have to make a local copy of the whole thing,
362 or return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
363 585
364 aio_rename "$runtime~", $runtime 586 my @res = Coro::Util::fork_eval {
365 and return; 587 reset_signals;
588 &$cb
589 }, @args;
366 590
591 wantarray ? @res : $res[-1]
592}
593
594sub objinfo {
367 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 });
368} 768}
369 769
370=back 770=back
371 771
372=cut 772=cut
373 773
374############################################################################# 774#############################################################################
375 775
376=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
377 777
378Many 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
379attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
381 781
382In 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>
383C<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
384crossfire+). 784Deliantra).
385 785
386=over 4 786=over 4
387 787
388=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
389 789
… …
433=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
434 834
435Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
436given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
437 837
438Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
439that 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.
440 840
441These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
442 842
443=over 4 843=over 4
… …
552 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
553 953
554 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 958
559 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 960 my $pkg = shift @arg;
561 961
562 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
… …
591 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
592 } 992 }
593 993
594 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
595 } else { 995 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 997 }
598 998
599 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
600} 1000}
601 1001
… …
603 if (ref $_[0]) { 1003 if (ref $_[0]) {
604 _object_attach @_; 1004 _object_attach @_;
605 } else { 1005 } else {
606 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
607 } 1007 }
1008 _recalc_want;
608}; 1009};
609 1010
610# all those should be optimised 1011# all those should be optimised
611sub cf::attachable::detach { 1012sub cf::attachable::detach {
612 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
… …
615 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
616 reattach ($obj); 1017 reattach ($obj);
617 } else { 1018 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
619 } 1020 }
1021 _recalc_want;
620}; 1022};
621 1023
622sub cf::attachable::attached { 1024sub cf::attachable::attached {
623 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
624 1026
… …
639 "; 1041 ";
640 die if $@; 1042 die if $@;
641} 1043}
642 1044
643our $override; 1045our $override;
644our @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?
645 1047
646sub override { 1048sub override {
647 $override = 1; 1049 $override = 1;
648 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
649} 1051}
650 1052
651sub do_invoke { 1053sub do_invoke {
652 my $event = shift; 1054 my $event = shift;
653 my $callbacks = shift; 1055 my $callbacks = shift;
654 1056
655 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
656 1058
657 local $override; 1059 local $override;
658 1060
659 for (@$callbacks) { 1061 for (@$callbacks) {
660 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
669 } 1071 }
670 1072
671 0 1073 0
672} 1074}
673 1075
674=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675 1077
676=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677 1079
678Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
679 1081
680This 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
681removed 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
682results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 1085
684=back 1086=back
685 1087
686=cut 1088=cut
687 1089
688############################################################################# 1090#############################################################################
689# 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, $ob2
1133}
690 1134
691sub reattach { 1135sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1137 my ($obj) = @_;
694 1138
1139 # no longer needed after getting rid of delete_package?
695 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
696 1141
697 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
698 1143
699 @$registry = (); 1144 @$registry = ();
700 1145
… …
715cf::attachable->attach ( 1160cf::attachable->attach (
716 prio => -1000000, 1161 prio => -1000000,
717 on_instantiate => sub { 1162 on_instantiate => sub {
718 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
719 1164
720 $data = from_json $data; 1165 $data = decode_json $data;
721 1166
722 for (@$data) { 1167 for (@$data) {
723 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
724 1169
725 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
741sub object_freezer_save { 1186sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
743 1188
744 sync_job { 1189 sync_job {
745 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
748 1194
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
751 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;
752 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
753 close $fh; 1202 aio_close $fh;
754 1203
755 if (@$objs) { 1204 if (@$objs) {
756 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) {
757 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 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;
760 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
761 close $fh; 1213 aio_close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
763 } 1215 }
764 } else { 1216 } else {
765 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
766 } 1218 }
767 1219
768 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
769 } else { 1224 } else {
770 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
771 } 1226 }
772 } else { 1227 } else {
773 aio_unlink $filename; 1228 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
775 } 1230 }
776 } 1231 };
777} 1232}
778 1233
779sub object_freezer_as_string { 1234sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
781 1236
… …
793 or return; 1248 or return;
794 1249
795 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
797 or return; 1252 or return;
1253
798 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
799 } 1256 }
800 1257
1258 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
803 return ($data, $av); 1262 ($data, $av)
804} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
805 1270
806############################################################################# 1271#############################################################################
807# command handling &c 1272# command handling &c
808 1273
809=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1288}
824 1289
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1291
827Register 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.
828 1297
829If 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
830called. 1299called.
831 1300
1301=item cf::register_exticmd $name => \&callback($ns,$packet);
1302
1303Register a callback for execution when the client sends an (asynchronous)
1304exticmd packet. Exti commands are processed by the server as soon as they
1305are received, i.e. out of order w.r.t. other commands. The first argument
1306is a client socket. Exti commands can be received anytime, even before
1307log-in.
1308
1309If the callback returns something, it is sent back as if reply was being
1310called.
1311
832=cut 1312=cut
833 1313
834sub register_extcmd { 1314sub register_extcmd {
835 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
836 1316
837 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
838} 1318}
839 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
840cf::player->attach ( 1328cf::player->attach (
841 on_command => sub { 1329 on_unknown_command => sub {
842 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
843 1331
844 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
845 or return; 1333 or return;
846 1334
… …
851 cf::override; 1339 cf::override;
852 }, 1340 },
853 on_extcmd => sub { 1341 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
855 1343
856 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1345
858 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
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
864 } else { 1361 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1363 }
867 1364
868 cf::override; 1365 cf::override;
869 }, 1366 },
870); 1367);
871 1368
1369# "readahead" all extensions
872sub load_extension { 1370sub cache_extensions {
873 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
874 1372
875 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
877 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878 $pkg =~ s/[^[:word:]]/_/g;
879 $pkg = "ext::$pkg";
880
881 warn "... loading '$path' into '$pkg'\n";
882
883 open my $fh, "<:utf8", $path
884 or die "$path: $!";
885
886 my $source =
887 "package $pkg; use strict; use utf8;\n"
888 . "#line 1 \"$path\"\n{\n"
889 . (do { local $/; <$fh> })
890 . "\n};\n1";
891
892 unless (eval $source) {
893 my $msg = $@ ? "$path: $@\n"
894 : "extension disabled.\n";
895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896 warn $@;
897 warn "mandatory extension failed to load, exiting.\n";
898 exit 1;
899 } 1376 }
900 die $@;
901 } 1377 };
902 1378
903 push @EXTS, $pkg; 1379 $grp
904} 1380}
905 1381
906sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
907 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1387 next unless -r $path;
909 eval { 1388
910 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 $active;
1448 }
911 1 1449 }
912 } or warn "$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 }
913 } 1460 };
914} 1461}
915 1462
916############################################################################# 1463#############################################################################
917 1464
1465=back
1466
918=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
919 1468
920Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
921 1470
922=cut 1471=cut
923 1472
924package cf::player; 1473package cf::player;
925 1474
… …
927 1476
928=head3 cf::player 1477=head3 cf::player
929 1478
930=over 4 1479=over 4
931 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
932=item cf::player::find $login 1495=item cf::player::find $login
933 1496
934Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
935 1498
936=cut 1499=cut
937 1500
938sub playerdir($) { 1501sub playerdir($) {
939 cf::localdir 1502 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1504}
945 1505
946sub path($) { 1506sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1508
949 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
950} 1510}
951 1511
952sub find_active($) { 1512sub find_active($) {
953 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
… …
957 1517
958sub exists($) { 1518sub exists($) {
959 my ($login) = @_; 1519 my ($login) = @_;
960 1520
961 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat path $login } 1522 or !aio_stat path $login
963} 1523}
964 1524
965sub find($) { 1525sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1527 my $login = $_[0];
968 1528
969 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
970 1530
971 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
972 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
973 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;
974 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
975 } 1548 }
976 } 1549 }
977} 1550}
1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($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);
978 1564
979sub save($) { 1565sub save($) {
980 my ($pl) = @_; 1566 my ($pl) = @_;
981 1567
982 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
987 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
988 1574
989 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
991 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
992 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
993 Coro::cede; 1584 cf::cede_to_tick;
994} 1585}
995 1586
996sub new($) { 1587sub new($) {
997 my ($login) = @_; 1588 my ($login) = @_;
998 1589
… …
1004 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1005 1596
1006 $self 1597 $self
1007} 1598}
1008 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
1009=item $pl->quit_character 1610=item $pl->quit_character
1010 1611
1011Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1013 1614
1014=cut 1615=cut
1015 1616
1016sub quit_character { 1617sub quit_character {
1017 my ($pl) = @_; 1618 my ($pl) = @_;
1018 1619
1620 my $name = $pl->ob->name;
1621
1019 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1020 $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
1021 1624
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1024 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1025 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1026 1631
1027 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1031 $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
1032 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;
1033} 1658}
1034 1659
1035=item cf::player::list_logins 1660=item cf::player::list_logins
1036 1661
1037Returns 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
1038while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1039 1664
1040=cut 1665=cut
1041 1666
1042sub list_logins { 1667sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1669 or return [];
1045 1670
1046 my @logins; 1671 my @logins;
1047 1672
1048 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") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1052 1683
1053 utf8::decode $login; 1684 utf8::decode $login;
1054 push @logins, $login; 1685 push @logins, $login;
1055 } 1686 }
1056 1687
… …
1064 1695
1065=cut 1696=cut
1066 1697
1067sub maps($) { 1698sub maps($) {
1068 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1702
1070 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1071 or return; 1704 or return;
1072 1705
1073 my @paths; 1706 my @paths;
… …
1075 for (@$files) { 1708 for (@$files) {
1076 utf8::decode $_; 1709 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1079 1712
1080 s/\.map$//; 1713 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1714 }
1083 1715
1084 \@paths 1716 \@paths
1085} 1717}
1086 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1088 1724
1089Sends an ext reply to the player. 1725Sends an ext reply to the player.
1090 1726
1091=cut 1727=cut
1092 1728
1093sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1095 1731
1096 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1733}
1100 1734
1101package 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}
1102 1775
1103=back 1776=back
1104
1105 1777
1106=head3 cf::map 1778=head3 cf::map
1107 1779
1108=over 4 1780=over 4
1109 1781
… …
1121our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1123 1795
1124sub generate_random_map { 1796sub generate_random_map {
1125 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
1126 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1127 $self->_create_random_map ( 1802 $self->_create_random_map (
1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1132 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1812 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}), $rmp->{custom} 1813 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 ) 1814 )
1140} 1815}
1141 1816
1817=item cf::map->register ($regex, $prio)
1818
1819Register a handler for the map path matching the given regex at the
1820givne priority (higher is better, built-in handlers have priority 0, the
1821default).
1822
1823=cut
1824
1142sub register { 1825sub register {
1143 my (undef, $regex) = @_; 1826 my (undef, $regex, $prio) = @_;
1144 my $pkg = caller; 1827 my $pkg = caller;
1145 1828
1146 no strict; 1829 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__; 1830 push @{"$pkg\::ISA"}, __PACKAGE__;
1148 1831
1149 $EXT_MAP{$pkg} = qr<$regex>; 1832 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150} 1833}
1151 1834
1152# also paths starting with '/' 1835# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1836$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154 1837
1155sub thawer_merge { 1838sub thawer_merge {
1156 my ($self, $merge) = @_; 1839 my ($self, $merge) = @_;
1157 1840
1158 # we have to keep some variables in memory intact 1841 # we have to keep some variables in memory intact
1159 local $self->{path}; 1842 local $self->{path};
1160 local $self->{load_path}; 1843 local $self->{load_path};
1161 local $self->{deny_save};
1162 local $self->{deny_reset};
1163 1844
1164 $self->SUPER::thawer_merge ($merge); 1845 $self->SUPER::thawer_merge ($merge);
1165} 1846}
1166 1847
1167sub normalise { 1848sub normalise {
1168 my ($path, $base) = @_; 1849 my ($path, $base) = @_;
1850
1851 $path = "$path"; # make sure its a string
1852
1853 $path =~ s/\.map$//;
1169 1854
1170 # map plan: 1855 # map plan:
1171 # 1856 #
1172 # /! non-realised random map exit (special hack!) 1857 # /! non-realised random map exit (special hack!)
1173 # {... are special paths that are not being touched 1858 # {... are special paths that are not being touched
… …
1201 1886
1202 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1887 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203 1888
1204 $path = normalise $path, $base; 1889 $path = normalise $path, $base;
1205 1890
1206 for my $pkg (keys %EXT_MAP) { 1891 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207 if ($path =~ $EXT_MAP{$pkg}) { 1892 if ($path =~ $EXT_MAP{$pkg}[1]) {
1208 my $self = bless cf::map::new, $pkg; 1893 my $self = bless cf::map::new, $pkg;
1209 $self->{path} = $path; $self->path ($path); 1894 $self->{path} = $path; $self->path ($path);
1210 $self->init; # pass $1 etc. 1895 $self->init; # pass $1 etc.
1211 return $self; 1896 return $self;
1212 } 1897 }
1213 } 1898 }
1214 1899
1215 Carp::carp "unable to resolve path '$path'."; 1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1216 () 1901 ()
1217} 1902}
1218 1903
1219sub init { 1904sub init {
1220 my ($self) = @_; 1905 my ($self) = @_;
… …
1235 1920
1236# the original (read-only) location 1921# the original (read-only) location
1237sub load_path { 1922sub load_path {
1238 my ($self) = @_; 1923 my ($self) = @_;
1239 1924
1240 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1925 "$MAPDIR/$self->{path}.map"
1241} 1926}
1242 1927
1243# the temporary/swap location 1928# the temporary/swap location
1244sub save_path { 1929sub save_path {
1245 my ($self) = @_; 1930 my ($self) = @_;
1246 1931
1247 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1933 "$TMPDIR/$path.map"
1249} 1934}
1250 1935
1251# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1252sub uniq_path { 1937sub uniq_path {
1253 my ($self) = @_; 1938 my ($self) = @_;
1254 1939
1255 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1941 "$UNIQUEDIR/$path"
1257} 1942}
1258 1943
1259# and all this just because we cannot iterate over 1944sub decay_objects {
1260# all maps in C++...
1261sub change_all_map_light {
1262 my ($change) = @_; 1945 my ($self) = @_;
1263 1946
1264 $_->change_map_light ($change) 1947 return if $self->{deny_reset};
1265 for grep $_->outdoor, values %cf::MAP; 1948
1949 $self->do_decay_objects;
1266} 1950}
1267 1951
1268sub unlink_save { 1952sub unlink_save {
1269 my ($self) = @_; 1953 my ($self) = @_;
1270 1954
… …
1275 1959
1276sub load_header_from($) { 1960sub load_header_from($) {
1277 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1278 1962
1279 utf8::encode $path; 1963 utf8::encode $path;
1280 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1281 or return; 1965 or return;
1282 1966
1283 $self->_load_header ($path) 1967 $self->_load_header ($f)
1284 or return; 1968 or return;
1285 1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1972
1286 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1287 1974
1288 1 1975 1
1289} 1976}
1290 1977
1291sub load_orig { 1978sub load_header_orig {
1292 my ($self) = @_; 1979 my ($self) = @_;
1293 1980
1294 $self->load_header_from ($self->load_path) 1981 $self->load_header_from ($self->load_path)
1295} 1982}
1296 1983
1297sub load_temp { 1984sub load_header_temp {
1298 my ($self) = @_; 1985 my ($self) = @_;
1299 1986
1300 $self->load_header_from ($self->save_path) 1987 $self->load_header_from ($self->save_path)
1988}
1989
1990sub prepare_temp {
1991 my ($self) = @_;
1992
1993 $self->last_access ((delete $self->{last_access})
1994 || $cf::RUNTIME); #d#
1995 # safety
1996 $self->{instantiate_time} = $cf::RUNTIME
1997 if $self->{instantiate_time} > $cf::RUNTIME;
1998}
1999
2000sub prepare_orig {
2001 my ($self) = @_;
2002
2003 $self->{load_original} = 1;
2004 $self->{instantiate_time} = $cf::RUNTIME;
2005 $self->last_access ($cf::RUNTIME);
2006 $self->instantiate;
1301} 2007}
1302 2008
1303sub load_header { 2009sub load_header {
1304 my ($self) = @_; 2010 my ($self) = @_;
1305 2011
1306 if ($self->load_temp) { 2012 if ($self->load_header_temp) {
1307 $self->last_access ((delete $self->{last_access}) 2013 $self->prepare_temp;
1308 || $cf::RUNTIME); #d#
1309 # safety
1310 $self->{instantiate_time} = $cf::RUNTIME
1311 if $self->{instantiate_time} > $cf::RUNTIME;
1312 } else { 2014 } else {
1313 $self->load_orig 2015 $self->load_header_orig
1314 or return; 2016 or return;
1315 2017 $self->prepare_orig;
1316 $self->{load_original} = 1;
1317 $self->{instantiate_time} = $cf::RUNTIME;
1318 $self->last_access ($cf::RUNTIME);
1319 $self->instantiate;
1320 } 2018 }
2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
1321 2025
1322 1 2026 1
1323} 2027}
1324 2028
1325sub find; 2029sub find;
1326sub find { 2030sub find {
1327 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1328 2032
1329 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1330 2034
2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1332 2037
1333 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1334 my $guard = cf::lock_acquire "map_find:$path";
1335 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1336 or return; 2040 or return;
1337 2041
1338 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1339 2043
1340 $map->load_header 2044 $map->load_header
1341 or return; 2045 or return;
1342 2046
1343 if ($map->should_reset) { 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously
1344 $cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1345 $map->reset; 2052 $map->reset;
1346 undef $guard;
1347 $map = find $path 2053 return find $path;
1348 or return;
1349 } 2054 }
1350 2055
1351 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1352 } 2057 }
1353} 2058}
2059
2060sub pre_load { }
2061#sub post_load { } # XS
1354 2062
1355sub load { 2063sub load {
1356 my ($self) = @_; 2064 my ($self) = @_;
1357 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1358 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1359 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1360 2072
2073 return unless $self->valid;
1361 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1362 2075
1363 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1364 2077
1365 $self->alloc; 2078 $self->alloc;
1366 $self->_load_objects ($self->{load_path}, 1) 2079
2080 $self->pre_load;
2081 cf::cede_to_tick;
2082
2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1367 or return; 2086 or return;
1368 2087
1369 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1370 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1371 2090
1372 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1373 utf8::encode $uniq; 2092 utf8::encode $uniq;
1374 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1375 $self->clear_unique_items; 2095 $self->clear_unique_items;
1376 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1377 } 2099 }
1378 } 2100 }
1379 2101
1380 Coro::cede; 2102 $f->resolve_delayed_derefs;
1381 2103
2104 cf::cede_to_tick;
1382 # now do the right thing for maps 2105 # now do the right thing for maps
1383 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1384
1385 unless ($self->{deny_activate}) {
1386 $self->decay_objects;
1387 $self->fix_auto_apply;
1388 $self->update_buttons;
1389 Coro::cede;
1390 $self->set_darkness_map;
1391 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1392 unless $self->difficulty; 2108 unless $self->difficulty;
1393 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;
1394 $self->activate; 2116 $self->activate;
1395 } 2117 }
1396 2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
1397 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1398} 2123 }
1399 2124
2125 $self->post_load;
2126}
2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
1400sub customise_for { 2131sub customise_for {
1401 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
1402 2133
1403 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
1404 if $self->per_player; 2135 if $self->per_player;
1405 2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
1406 $self 2140 $self
1407} 2141}
1408 2142
1409# 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
1410sub load_diag { 2144sub load_neighbours {
1411 my ($map) = @_; 2145 my ($map) = @_;
1412 2146
1413 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1414 2148
1415 for (0 .. 3) { 2149 for (0 .. 3) {
1416 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1417 or next; 2151 or next;
1418 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1419 or next; 2153 or next;
1420 $neigh->load; 2154 $neigh->load;
1421 2155
2156 push @neigh,
1422 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1423 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1424 } 2159 }
1425 2160
1426 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1427 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1428 or next; 2164 or next;
1429 $neigh->load; 2165 $neigh->load;
1430 } 2166 }
1431} 2167}
1432 2168
… …
1437} 2173}
1438 2174
1439sub do_load_sync { 2175sub do_load_sync {
1440 my ($map) = @_; 2176 my ($map) = @_;
1441 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1442 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1443} 2182}
1444 2183
1445our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
1446our $MAP_PREFETCHER = undef; 2185our $MAP_PREFETCHER = undef;
1447 2186
1448sub find_async { 2187sub find_async {
1449 my ($path, $origin) = @_; 2188 my ($path, $origin, $load) = @_;
1450 2189
1451 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
1452 2191
1453 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
1454 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1455 } 2194 }
1456 2195
1457 undef $MAP_PREFETCH{$path}; 2196 $MAP_PREFETCH{$path} |= $load;
2197
1458 $MAP_PREFETCHER ||= cf::async { 2198 $MAP_PREFETCHER ||= cf::async {
2199 $Coro::current->{desc} = "map prefetcher";
2200
1459 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1460 for my $path (keys %MAP_PREFETCH) { 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1461 my $map = find $path 2203 if (my $map = find $k) {
1462 or next;
1463 $map->load; 2204 $map->load if $v;
2205 }
1464 2206
1465 delete $MAP_PREFETCH{$path}; 2207 delete $MAP_PREFETCH{$k};
1466 } 2208 }
1467 } 2209 }
1468 undef $MAP_PREFETCHER; 2210 undef $MAP_PREFETCHER;
1469 }; 2211 };
2212 $MAP_PREFETCHER->prio (6);
1470 2213
1471 () 2214 ()
1472} 2215}
1473 2216
1474sub save { 2217sub save {
1475 my ($self) = @_; 2218 my ($self) = @_;
1476 2219
1477 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1478 2221
1479 $self->{last_save} = $cf::RUNTIME; 2222 $self->{last_save} = $cf::RUNTIME;
1480 2223
1481 return unless $self->dirty; 2224 return unless $self->dirty;
1482 2225
… …
1488 return if $self->{deny_save}; 2231 return if $self->{deny_save};
1489 2232
1490 local $self->{last_access} = $self->last_access;#d# 2233 local $self->{last_access} = $self->last_access;#d#
1491 2234
1492 cf::async { 2235 cf::async {
2236 $Coro::current->{desc} = "map player save";
1493 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
1494 }; 2238 };
2239
2240 cf::get_slot 0.02;
1495 2241
1496 if ($uniq) { 2242 if ($uniq) {
1497 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1499 } else { 2245 } else {
… …
1505 my ($self) = @_; 2251 my ($self) = @_;
1506 2252
1507 # save first because save cedes 2253 # save first because save cedes
1508 $self->save; 2254 $self->save;
1509 2255
1510 my $lock = cf::lock_acquire "map_data:" . $self->path; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
1511 2257
1512 return if $self->players; 2258 return if $self->players;
1513 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
1514 return if $self->{deny_save}; 2260 return if $self->{deny_save};
1515 2261
2262 $self->in_memory (cf::MAP_SWAPPED);
2263
2264 $self->deactivate;
2265 $_->clear_links_to ($self) for values %cf::MAP;
1516 $self->clear; 2266 $self->clear;
1517 $self->in_memory (cf::MAP_SWAPPED);
1518} 2267}
1519 2268
1520sub reset_at { 2269sub reset_at {
1521 my ($self) = @_; 2270 my ($self) = @_;
1522 2271
1523 # TODO: safety, remove and allow resettable per-player maps 2272 # TODO: safety, remove and allow resettable per-player maps
1524 return 1e99 if $self->isa ("ext::map_per_player");#d#
1525 return 1e99 if $self->{deny_reset}; 2273 return 1e99 if $self->{deny_reset};
1526 2274
1527 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2275 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2276 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529 2277
… …
1540 my ($self) = @_; 2288 my ($self) = @_;
1541 2289
1542 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2291
1544 return if $self->players; 2292 return if $self->players;
1545 return if $self->isa ("ext::map_per_player");#d#
1546 2293
1547 warn "resetting map ", $self->path;#d# 2294 warn "resetting map ", $self->path, "\n";
2295
2296 $self->in_memory (cf::MAP_SWAPPED);
2297
2298 # need to save uniques path
2299 unless ($self->{deny_save}) {
2300 my $uniq = $self->uniq_path; utf8::encode $uniq;
2301
2302 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2303 if $uniq;
2304 }
1548 2305
1549 delete $cf::MAP{$self->path}; 2306 delete $cf::MAP{$self->path};
1550 2307
1551 $self->in_memory (cf::MAP_SWAPPED); 2308 $self->deactivate;
2309 $_->clear_links_to ($self) for values %cf::MAP;
1552 $self->clear; 2310 $self->clear;
1553
1554 $_->clear_links_to ($self) for values %cf::MAP;
1555 2311
1556 $self->unlink_save; 2312 $self->unlink_save;
1557 $self->destroy; 2313 $self->destroy;
1558} 2314}
1559 2315
1560my $nuke_counter = "aaaa"; 2316my $nuke_counter = "aaaa";
1561 2317
1562sub nuke { 2318sub nuke {
1563 my ($self) = @_; 2319 my ($self) = @_;
1564 2320
2321 {
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
1565 delete $cf::MAP{$self->path}; 2324 delete $cf::MAP{$self->path};
1566 2325
1567 $self->unlink_save; 2326 $self->unlink_save;
1568 2327
1569 bless $self, "cf::map"; 2328 bless $self, "cf::map";
1570 delete $self->{deny_reset}; 2329 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 2330 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 2331 $self->reset_timeout (1);
1573 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2332 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574 2333
1575 $cf::MAP{$self->path} = $self; 2334 $cf::MAP{$self->path} = $self;
2335 }
1576 2336
1577 $self->reset; # polite request, might not happen 2337 $self->reset; # polite request, might not happen
2338}
2339
2340=item $maps = cf::map::tmp_maps
2341
2342Returns an arrayref with all map paths of currently instantiated and saved
2343maps. May block.
2344
2345=cut
2346
2347sub tmp_maps() {
2348 [
2349 map {
2350 utf8::decode $_;
2351 /\.map$/
2352 ? normalise $_
2353 : ()
2354 } @{ aio_readdir $TMPDIR or [] }
2355 ]
2356}
2357
2358=item $maps = cf::map::random_maps
2359
2360Returns an arrayref with all map paths of currently instantiated and saved
2361random maps. May block.
2362
2363=cut
2364
2365sub random_maps() {
2366 [
2367 map {
2368 utf8::decode $_;
2369 /\.map$/
2370 ? normalise "?random/$_"
2371 : ()
2372 } @{ aio_readdir $RANDOMDIR or [] }
2373 ]
1578} 2374}
1579 2375
1580=item cf::map::unique_maps 2376=item cf::map::unique_maps
1581 2377
1582Returns an arrayref of paths of all shared maps that have 2378Returns an arrayref of paths of all shared maps that have
1583instantiated unique items. May block. 2379instantiated unique items. May block.
1584 2380
1585=cut 2381=cut
1586 2382
1587sub unique_maps() { 2383sub unique_maps() {
1588 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2384 [
1589 or return; 2385 map {
1590
1591 my @paths;
1592
1593 for (@$files) {
1594 utf8::decode $_; 2386 utf8::decode $_;
1595 next if /\.pst$/; 2387 s/\.map$//; # TODO future compatibility hack
1596 next unless /^$PATH_SEP/o; 2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2389 ? ()
2390 : normalise $_
2391 } @{ aio_readdir $UNIQUEDIR or [] }
2392 ]
2393}
1597 2394
2395=item cf::map::static_maps
2396
2397Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2398file in the shared directory excluding F</styles> and F</editor>). May
2399block.
2400
2401=cut
2402
2403sub static_maps() {
2404 my @dirs = "";
2405 my @maps;
2406
2407 while (@dirs) {
2408 my $dir = shift @dirs;
2409
2410 next if $dir eq "/styles" || $dir eq "/editor";
2411
2412 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2413 or return;
2414
2415 for (@$files) {
1598 s/\.map$//; 2416 s/\.map$// or next;
1599 push @paths, $_; 2417 utf8::decode $_;
1600 } 2418 push @maps, "$dir/$_";
2419 }
1601 2420
1602 \@paths 2421 push @dirs, map "$dir/$_", @$dirs;
1603} 2422 }
1604 2423
1605package cf; 2424 \@maps
2425}
1606 2426
1607=back 2427=back
1608 2428
1609=head3 cf::object 2429=head3 cf::object
1610 2430
… …
1614 2434
1615=over 4 2435=over 4
1616 2436
1617=item $ob->inv_recursive 2437=item $ob->inv_recursive
1618 2438
1619Returns the inventory of the object _and_ their inventories, recursively. 2439Returns the inventory of the object I<and> their inventories, recursively,
2440but I<not> the object itself.
1620 2441
1621=cut 2442=cut
1622 2443
1623sub inv_recursive_; 2444sub inv_recursive_;
1624sub inv_recursive_ { 2445sub inv_recursive_ {
… …
1627 2448
1628sub inv_recursive { 2449sub inv_recursive {
1629 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
1630} 2451}
1631 2452
2453=item $ref = $ob->ref
2454
2455Creates and returns a persistent reference to an object that can be stored as a string.
2456
2457=item $ob = cf::object::deref ($refstring)
2458
2459returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2460even if the object actually exists. May block.
2461
2462=cut
2463
2464sub deref {
2465 my ($ref) = @_;
2466
2467 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2468 my ($uuid, $name) = ($1, $2);
2469 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2470 or return;
2471 $pl->ob->uuid eq $uuid
2472 or return;
2473
2474 $pl->ob
2475 } else {
2476 warn "$ref: cannot resolve object reference\n";
2477 undef
2478 }
2479}
2480
1632package cf; 2481package cf;
1633 2482
1634=back 2483=back
1635 2484
1636=head3 cf::object::player 2485=head3 cf::object::player
… …
1642Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2491Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643can be C<undef>. Does the right thing when the player is currently in a 2492can be C<undef>. Does the right thing when the player is currently in a
1644dialogue with the given NPC character. 2493dialogue with the given NPC character.
1645 2494
1646=cut 2495=cut
2496
2497our $SAY_CHANNEL = {
2498 id => "say",
2499 title => "Map",
2500 reply => "say ",
2501 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2502};
2503
2504our $CHAT_CHANNEL = {
2505 id => "chat",
2506 title => "Chat",
2507 reply => "chat ",
2508 tooltip => "Player chat and shouts, global to the server.",
2509};
1647 2510
1648# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
1649# with dialog boxes. 2512# with dialog boxes.
1650#TODO: the first argument must go, split into a $npc->reply_to ( method 2513#TODO: the first argument must go, split into a $npc->reply_to ( method
1651sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
… …
1653 2516
1654 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2517 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655 2518
1656 if ($self->{record_replies}) { 2519 if ($self->{record_replies}) {
1657 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2520 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2521
1658 } else { 2522 } else {
2523 my $pl = $self->contr;
2524
2525 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2526 my $dialog = $pl->{npc_dialog};
2527 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2528
2529 } else {
1659 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
1660 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2532 }
1661 } 2533 }
2534}
2535
2536=item $object->send_msg ($channel, $msg, $color, [extra...])
2537
2538=cut
2539
2540sub cf::object::send_msg {
2541 my $pl = shift->contr
2542 or return;
2543 $pl->send_msg (@_);
1662} 2544}
1663 2545
1664=item $player_object->may ("access") 2546=item $player_object->may ("access")
1665 2547
1666Returns wether the given player is authorized to access resource "access" 2548Returns wether the given player is authorized to access resource "access"
… …
1679 2561
1680=item $player_object->enter_link 2562=item $player_object->enter_link
1681 2563
1682Freezes the player and moves him/her to a special map (C<{link}>). 2564Freezes the player and moves him/her to a special map (C<{link}>).
1683 2565
1684The player should be reasonably safe there for short amounts of time. You 2566The player should be reasonably safe there for short amounts of time (e.g.
1685I<MUST> call C<leave_link> as soon as possible, though. 2567for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2568though, as the palyer cannot control the character while it is on the link
2569map.
1686 2570
1687Will never block. 2571Will never block.
1688 2572
1689=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
1690 2574
… …
1698=cut 2582=cut
1699 2583
1700sub link_map { 2584sub link_map {
1701 unless ($LINK_MAP) { 2585 unless ($LINK_MAP) {
1702 $LINK_MAP = cf::map::find "{link}" 2586 $LINK_MAP = cf::map::find "{link}"
1703 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2587 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704 $LINK_MAP->load; 2588 $LINK_MAP->load;
1705 } 2589 }
1706 2590
1707 $LINK_MAP 2591 $LINK_MAP
1708} 2592}
… …
1713 $self->deactivate_recursive; 2597 $self->deactivate_recursive;
1714 2598
1715 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2599 return if UNIVERSAL::isa $self->map, "ext::map_link";
1716 2600
1717 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2601 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718 if $self->map; 2602 if $self->map && $self->map->{path} ne "{link}";
1719 2603
1720 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2604 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1721} 2605}
1722 2606
1723sub cf::object::player::leave_link { 2607sub cf::object::player::leave_link {
1724 my ($self, $map, $x, $y) = @_; 2608 my ($self, $map, $x, $y) = @_;
2609
2610 return unless $self->contr->active;
1725 2611
1726 my $link_pos = delete $self->{_link_pos}; 2612 my $link_pos = delete $self->{_link_pos};
1727 2613
1728 unless ($map) { 2614 unless ($map) {
1729 # restore original map position 2615 # restore original map position
… …
1740 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
1741 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
1742 2628
1743 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
1744 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
1745 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
1746 2632
1747 $map->load; 2633 $map->load;
1748 $map->load_diag; 2634 $map->load_neighbours;
1749 2635
1750 return unless $self->contr->active; 2636 return unless $self->contr->active;
2637
2638 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2639 $self->enter_map ($map, $x, $y);
2640
2641 # only activate afterwards, to support waiting in hooks
1751 $self->activate_recursive; 2642 $self->activate_recursive;
1752 $self->enter_map ($map, $x, $y);
1753} 2643}
1754 2644
1755cf::player->attach ( 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756 on_logout => sub {
1757 my ($pl) = @_;
1758 2646
1759 # abort map switching before logout 2647Moves the player to the given map-path and coordinates by first freezing
1760 if ($pl->ob->{_link_pos}) { 2648her, loading and preparing them map, calling the provided $check callback
1761 cf::sync_job { 2649that has to return the map if sucecssful, and then unfreezes the player on
1762 $pl->ob->leave_link 2650the new (success) or old (failed) map position. In either case, $done will
1763 }; 2651be called at the end of this process.
1764 }
1765 },
1766 on_login => sub {
1767 my ($pl) = @_;
1768 2652
1769 # try to abort aborted map switching on player login :) 2653Note that $check will be called with a potentially non-loaded map, so if
1770 # should happen only on crashes 2654it needs a loaded map it has to call C<< ->load >>.
1771 if ($pl->ob->{_link_pos}) {
1772 $pl->ob->enter_link;
1773 (async {
1774 # we need this sleep as the login has a concurrent enter_exit running
1775 # and this sleep increases chances of the player not ending up in scorn
1776 $pl->ob->reply (undef,
1777 "There was an internal problem at your last logout, "
1778 . "the server will try to bring you to your intended destination in a second.",
1779 cf::NDI_RED);
1780 Coro::Timer::sleep 1;
1781 $pl->ob->leave_link;
1782 })->prio (2);
1783 }
1784 },
1785);
1786 2655
1787=item $player_object->goto ($path, $x, $y)
1788
1789=cut 2656=cut
2657
2658our $GOTOGEN;
1790 2659
1791sub cf::object::player::goto { 2660sub cf::object::player::goto {
1792 my ($self, $path, $x, $y) = @_; 2661 my ($self, $path, $x, $y, $check, $done) = @_;
2662
2663 # do generation counting so two concurrent goto's will be executed in-order
2664 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793 2665
1794 $self->enter_link; 2666 $self->enter_link;
1795 2667
1796 (async { 2668 (async {
1797 my $map = cf::map::find $path; 2669 $Coro::current->{desc} = "player::goto $path $x $y";
2670
2671 # *tag paths override both path and x|y
2672 if ($path =~ /^\*(.*)$/) {
2673 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2674 my $ob = $obs[rand @obs];
2675
2676 # see if we actually can go there
2677 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2678 $ob = $obs[rand @obs];
2679 } else {
2680 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2681 }
2682 # else put us there anyways for now #d#
2683
2684 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2685 } else {
2686 ($path, $x, $y) = (undef, undef, undef);
2687 }
2688 }
2689
2690 my $map = eval {
2691 my $map = defined $path ? cf::map::find $path : undef;
2692
2693 if ($map) {
1798 $map = $map->customise_for ($self) if $map; 2694 $map = $map->customise_for ($self);
1799 2695 $map = $check->($map) if $check && $map;
1800# warn "entering ", $map->path, " at ($x, $y)\n" 2696 } else {
1801# if $map;
1802
1803 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2697 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2698 }
1804 2699
2700 $map
2701 };
2702
2703 if ($@) {
2704 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2705 LOG llevError | logBacktrace, Carp::longmess $@;
2706 }
2707
2708 if ($gen == $self->{_goto_generation}) {
2709 delete $self->{_goto_generation};
1805 $self->leave_link ($map, $x, $y); 2710 $self->leave_link ($map, $x, $y);
2711 }
2712
2713 $done->() if $done;
1806 })->prio (1); 2714 })->prio (1);
1807} 2715}
1808 2716
1809=item $player_object->enter_exit ($exit_object) 2717=item $player_object->enter_exit ($exit_object)
1810 2718
… …
1830} 2738}
1831 2739
1832sub prepare_random_map { 2740sub prepare_random_map {
1833 my ($exit) = @_; 2741 my ($exit) = @_;
1834 2742
1835 my $guard = cf::lock_acquire "exit_prepare:$exit";
1836
1837 # all this does is basically replace the /! path by 2743 # all this does is basically replace the /! path by
1838 # a new random map path (?random/...) with a seed 2744 # a new random map path (?random/...) with a seed
1839 # that depends on the exit object 2745 # that depends on the exit object
1840 2746
1841 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
1842 2748
1843 if ($exit->map) { 2749 if ($exit->map) {
1844 $rmp->{region} = $exit->map->region_name; 2750 $rmp->{region} = $exit->region->name;
1845 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
1846 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
1847 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
1848 } 2756 }
1849 2757
1850 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
1851 2759
1852 my $data = cf::to_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
1854 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2762 my $meta = "$RANDOMDIR/$md5.meta";
1855 2763
1856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2764 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857 aio_write $fh, 0, (length $data), $data, 0; 2765 aio_write $fh, 0, (length $data), $data, 0;
1858 undef $fh; 2766 undef $fh;
1859 aio_rename "$meta~", $meta; 2767 aio_rename "$meta~", $meta;
1860 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
1861 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
1862 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
1863 } 2775 }
1864} 2776}
1865 2777
1866sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
1867 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
… …
1869 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
1870 2782
1871 $self->enter_link; 2783 $self->enter_link;
1872 2784
1873 (async { 2785 (async {
1874 $self->deactivate_recursive; # just to be sure 2786 $Coro::current->{desc} = "enter_exit";
2787
1875 unless (eval { 2788 unless (eval {
2789 $self->deactivate_recursive; # just to be sure
2790
2791 # random map handling
2792 {
2793 my $guard = cf::lock_acquire "exit_prepare:$exit";
2794
1876 prepare_random_map $exit 2795 prepare_random_map $exit
1877 if $exit->slaying eq "/!"; 2796 if $exit->slaying eq "/!";
2797 }
1878 2798
1879 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2799 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1880 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
1881 2802
2803 $self->goto ($map, $x, $y);
2804
2805 # if exit is damned, update players death & WoR home-position
2806 $self->contr->savebed ($map, $x, $y)
2807 if $exit->flag (cf::FLAG_DAMNED);
2808
1882 1; 2809 1
1883 }) { 2810 }) {
1884 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
1885 . "I'll try to bring you back to the map you were before. " 2812 . "I'll try to bring you back to the map you were before. "
1886 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
1887 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
1888 2815
1889 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
1890 $self->leave_link; 2817 $self->leave_link;
1891 } 2818 }
1892 })->prio (1); 2819 })->prio (1);
… …
1905 2832
1906sub cf::client::send_drawinfo { 2833sub cf::client::send_drawinfo {
1907 my ($self, $text, $flags) = @_; 2834 my ($self, $text, $flags) = @_;
1908 2835
1909 utf8::encode $text; 2836 utf8::encode $text;
1910 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911} 2838}
1912 2839
2840=item $client->send_big_packet ($pkt)
2841
2842Like C<send_packet>, but tries to compress large packets, and fragments
2843them as required.
2844
2845=cut
2846
2847our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2848
2849sub cf::client::send_big_packet {
2850 my ($self, $pkt) = @_;
2851
2852 # try lzf for large packets
2853 $pkt = "lzf " . Compress::LZF::compress $pkt
2854 if 1024 <= length $pkt and $self->{can_lzf};
2855
2856 # split very large packets
2857 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2858 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2859 $pkt = "frag";
2860 }
2861
2862 $self->send_packet ($pkt);
2863}
2864
2865=item $client->send_msg ($channel, $msg, $color, [extra...])
2866
2867Send a drawinfo or msg packet to the client, formatting the msg for the
2868client if neccessary. C<$type> should be a string identifying the type of
2869the message, with C<log> being the default. If C<$color> is negative, suppress
2870the message unless the client supports the msg packet.
2871
2872=cut
2873
2874# non-persistent channels (usually the info channel)
2875our %CHANNEL = (
2876 "c/motd" => {
2877 id => "infobox",
2878 title => "MOTD",
2879 reply => undef,
2880 tooltip => "The message of the day",
2881 },
2882 "c/identify" => {
2883 id => "infobox",
2884 title => "Identify",
2885 reply => undef,
2886 tooltip => "Items recently identified",
2887 },
2888 "c/examine" => {
2889 id => "infobox",
2890 title => "Examine",
2891 reply => undef,
2892 tooltip => "Signs and other items you examined",
2893 },
2894 "c/shopinfo" => {
2895 id => "infobox",
2896 title => "Shop Info",
2897 reply => undef,
2898 tooltip => "What your bargaining skill tells you about the shop",
2899 },
2900 "c/book" => {
2901 id => "infobox",
2902 title => "Book",
2903 reply => undef,
2904 tooltip => "The contents of a note or book",
2905 },
2906 "c/lookat" => {
2907 id => "infobox",
2908 title => "Look",
2909 reply => undef,
2910 tooltip => "What you saw there",
2911 },
2912 "c/who" => {
2913 id => "infobox",
2914 title => "Players",
2915 reply => undef,
2916 tooltip => "Shows players who are currently online",
2917 },
2918 "c/body" => {
2919 id => "infobox",
2920 title => "Body Parts",
2921 reply => undef,
2922 tooltip => "Shows which body parts you posess and are available",
2923 },
2924 "c/statistics" => {
2925 id => "infobox",
2926 title => "Statistics",
2927 reply => undef,
2928 tooltip => "Shows your primary statistics",
2929 },
2930 "c/skills" => {
2931 id => "infobox",
2932 title => "Skills",
2933 reply => undef,
2934 tooltip => "Shows your experience per skill and item power",
2935 },
2936 "c/shopitems" => {
2937 id => "infobox",
2938 title => "Shop Items",
2939 reply => undef,
2940 tooltip => "Shows the items currently for sale in this shop",
2941 },
2942 "c/resistances" => {
2943 id => "infobox",
2944 title => "Resistances",
2945 reply => undef,
2946 tooltip => "Shows your resistances",
2947 },
2948 "c/pets" => {
2949 id => "infobox",
2950 title => "Pets",
2951 reply => undef,
2952 tooltip => "Shows information abotu your pets/a specific pet",
2953 },
2954 "c/perceiveself" => {
2955 id => "infobox",
2956 title => "Perceive Self",
2957 reply => undef,
2958 tooltip => "You gained detailed knowledge about yourself",
2959 },
2960 "c/uptime" => {
2961 id => "infobox",
2962 title => "Uptime",
2963 reply => undef,
2964 tooltip => "How long the server has been running since last restart",
2965 },
2966 "c/mapinfo" => {
2967 id => "infobox",
2968 title => "Map Info",
2969 reply => undef,
2970 tooltip => "Information related to the maps",
2971 },
2972 "c/party" => {
2973 id => "party",
2974 title => "Party",
2975 reply => "gsay ",
2976 tooltip => "Messages and chat related to your party",
2977 },
2978 "c/death" => {
2979 id => "death",
2980 title => "Death",
2981 reply => undef,
2982 tooltip => "Reason for and more info about your most recent death",
2983 },
2984 "c/say" => $SAY_CHANNEL,
2985 "c/chat" => $CHAT_CHANNEL,
2986);
2987
2988sub cf::client::send_msg {
2989 my ($self, $channel, $msg, $color, @extra) = @_;
2990
2991 $msg = $self->pl->expand_cfpod ($msg)
2992 unless $color & cf::NDI_VERBATIM;
2993
2994 $color &= cf::NDI_CLIENT_MASK; # just in case...
2995
2996 # check predefined channels, for the benefit of C
2997 if ($CHANNEL{$channel}) {
2998 $channel = $CHANNEL{$channel};
2999
3000 $self->ext_msg (channel_info => $channel);
3001 $channel = $channel->{id};
3002
3003 } elsif (ref $channel) {
3004 # send meta info to client, if not yet sent
3005 unless (exists $self->{channel}{$channel->{id}}) {
3006 $self->{channel}{$channel->{id}} = $channel;
3007 $self->ext_msg (channel_info => $channel);
3008 }
3009
3010 $channel = $channel->{id};
3011 }
3012
3013 return unless @extra || length $msg;
3014
3015 # default colour, mask it out
3016 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3017 if $color & cf::NDI_DEF;
3018
3019 my $pkt = "msg "
3020 . $self->{json_coder}->encode (
3021 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3022 );
3023
3024 $self->send_big_packet ($pkt);
3025}
3026
3027=item $client->ext_msg ($type, @msg)
3028
3029Sends an ext event to the client.
3030
3031=cut
3032
3033sub cf::client::ext_msg($$@) {
3034 my ($self, $type, @msg) = @_;
3035
3036 if ($self->extcmd == 2) {
3037 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3038 } elsif ($self->extcmd == 1) { # TODO: remove
3039 push @msg, msgtype => "event_$type";
3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3041 }
3042}
3043
3044=item $client->ext_reply ($msgid, @msg)
3045
3046Sends an ext reply to the client.
3047
3048=cut
3049
3050sub cf::client::ext_reply($$@) {
3051 my ($self, $id, @msg) = @_;
3052
3053 if ($self->extcmd == 2) {
3054 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3055 } elsif ($self->extcmd == 1) {
3056 #TODO: version 1, remove
3057 unshift @msg, msgtype => "reply", msgid => $id;
3058 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3059 }
3060}
1913 3061
1914=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
1915 3063
1916Queues a query to the client, calling the given callback with 3064Queues a query to the client, calling the given callback with
1917the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3065the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3066C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919 3067
1920Queries can fail, so check the return code. Or don't, as queries will become 3068Queries can fail, so check the return code. Or don't, as queries will
1921reliable at some point in the future. 3069become reliable at some point in the future.
1922 3070
1923=cut 3071=cut
1924 3072
1925sub cf::client::query { 3073sub cf::client::query {
1926 my ($self, $flags, $text, $cb) = @_; 3074 my ($self, $flags, $text, $cb) = @_;
… …
1934 utf8::encode $text; 3082 utf8::encode $text;
1935 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3083 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936 3084
1937 $self->send_packet ($self->{query_queue}[0][0]) 3085 $self->send_packet ($self->{query_queue}[0][0])
1938 if @{ $self->{query_queue} } == 1; 3086 if @{ $self->{query_queue} } == 1;
3087
3088 1
1939} 3089}
1940 3090
1941cf::client->attach ( 3091cf::client->attach (
3092 on_connect => sub {
3093 my ($ns) = @_;
3094
3095 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3096 },
1942 on_reply => sub { 3097 on_reply => sub {
1943 my ($ns, $msg) = @_; 3098 my ($ns, $msg) = @_;
1944 3099
1945 # this weird shuffling is so that direct followup queries 3100 # this weird shuffling is so that direct followup queries
1946 # get handled first 3101 # get handled first
1947 my $queue = delete $ns->{query_queue} 3102 my $queue = delete $ns->{query_queue}
1948 or return; # be conservative, not sure how that can happen, but we saw a crash here 3103 or return; # be conservative, not sure how that can happen, but we saw a crash here
1949 3104
1950 (shift @$queue)->[1]->($msg); 3105 (shift @$queue)->[1]->($msg);
3106 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951 3107
1952 push @{ $ns->{query_queue} }, @$queue; 3108 push @{ $ns->{query_queue} }, @$queue;
1953 3109
1954 if (@{ $ns->{query_queue} } == @$queue) { 3110 if (@{ $ns->{query_queue} } == @$queue) {
1955 if (@$queue) { 3111 if (@$queue) {
… …
1957 } else { 3113 } else {
1958 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3114 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959 } 3115 }
1960 } 3116 }
1961 }, 3117 },
3118 on_exticmd => sub {
3119 my ($ns, $buf) = @_;
3120
3121 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3122
3123 if (ref $msg) {
3124 my ($type, $reply, @payload) =
3125 "ARRAY" eq ref $msg
3126 ? @$msg
3127 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3128
3129 my @reply;
3130
3131 if (my $cb = $EXTICMD{$type}) {
3132 @reply = $cb->($ns, @payload);
3133 }
3134
3135 $ns->ext_reply ($reply, @reply)
3136 if $reply;
3137
3138 } else {
3139 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3140 }
3141
3142 cf::override;
3143 },
1962); 3144);
1963 3145
1964=item $client->async (\&cb) 3146=item $client->async (\&cb)
1965 3147
1966Create a new coroutine, running the specified callback. The coroutine will 3148Create a new coroutine, running the specified callback. The coroutine will
… …
1982 3164
1983 $coro 3165 $coro
1984} 3166}
1985 3167
1986cf::client->attach ( 3168cf::client->attach (
1987 on_destroy => sub { 3169 on_client_destroy => sub {
1988 my ($ns) = @_; 3170 my ($ns) = @_;
1989 3171
1990 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1991 }, 3173 },
1992); 3174);
… …
2007our $safe = new Safe "safe"; 3189our $safe = new Safe "safe";
2008our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
2009 3191
2010$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
2011 3193
2012$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3194$safe->permit_only (Opcode::opset qw(
3195 :base_core :base_mem :base_orig :base_math :base_loop
3196 grepstart grepwhile mapstart mapwhile
3197 sort time
3198));
2013 3199
2014# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
2015 3201
2016=pod 3202=pod
2017 3203
2018The following fucntions and emthods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
2019 3205
2020 cf::object contr pay_amount pay_player map 3206 cf::object
3207 contr pay_amount pay_player map x y force_find force_add destroy
3208 insert remove name archname title slaying race decrease split
3209 value
3210
2021 cf::object::player player 3211 cf::object::player
2022 cf::player peaceful 3212 player
2023 cf::map trigger 3213
3214 cf::player
3215 peaceful
3216
3217 cf::map
3218 trigger
2024 3219
2025=cut 3220=cut
2026 3221
2027for ( 3222for (
2028 ["cf::object" => qw(contr pay_amount pay_player map)], 3223 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3224 insert remove inv nrof name archname title slaying race
3225 decrease split destroy change_exp value msg lore send_msg)],
2029 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
2030 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
2031 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
2032) { 3229) {
2033 no strict 'refs'; 3230 no strict 'refs';
2034 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
2035 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2053 3250
2054 my $qcode = $code; 3251 my $qcode = $code;
2055 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2056 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
2057 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
2058 local $_; 3258 local $_;
2059 local @safe::cf::_safe_eval_args = values %vars;
2060 3259
2061 my $eval = 3260 my $eval =
2062 "do {\n" 3261 "do {\n"
2063 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2064 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
2065 . $code 3264 . $code
2066 . "\n}" 3265 . "\n}"
2067 ; 3266 ;
2068 3267
3268 if ($CFG{safe_eval}) {
2069 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
2070 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2071 sub_generation_inc; 3272 sub_generation_inc;
3273 } else {
3274 local @cf::_safe_eval_args = values %vars;
3275 @res = wantarray ? eval eval : scalar eval $eval;
3276 }
2072 3277
2073 if ($@) { 3278 if ($@) {
2074 warn "$@"; 3279 warn "$@";
2075 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
2076 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
… …
2095=cut 3300=cut
2096 3301
2097sub register_script_function { 3302sub register_script_function {
2098 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
2099 3304
2100 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
2101 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
2102} 3307}
2103 3308
2104=back 3309=back
2105 3310
2106=cut 3311=cut
2107 3312
2108############################################################################# 3313#############################################################################
3314# the server's init and main functions
2109 3315
2110=head2 EXTENSION DATABASE SUPPORT 3316sub load_facedata($) {
3317 my ($path) = @_;
2111 3318
2112Crossfire maintains a very simple database for extension use. It can 3319 # HACK to clear player env face cache, we need some signal framework
2113currently store anything that can be serialised using Storable, which 3320 # for this (global event?)
2114excludes objects. 3321 %ext::player_env::MUSIC_FACE_CACHE = ();
2115 3322
2116The parameter C<$family> should best start with the name of the extension 3323 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117using it, it should be unique.
2118 3324
2119=over 4 3325 warn "loading facedata from $path\n";
2120 3326
2121=item $hashref = cf::db_get $family 3327 my $facedata;
3328 0 < aio_load $path, $facedata
3329 or die "$path: $!";
2122 3330
2123Return a hashref for use by the extension C<$family>, which can be 3331 $facedata = Coro::Storable::thaw $facedata;
2124modified. After modifications, you have to call C<cf::db_dirty> or
2125C<cf::db_sync>.
2126 3332
2127=item $value = cf::db_get $family => $key 3333 $facedata->{version} == 2
3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
2128 3335
2129Returns a single value from the database 3336 # patch in the exptable
2130 3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2131=item cf::db_put $family => $hashref 3338 $facedata->{resource}{"res/exp_table"} = {
2132 3339 type => FT_RSRC,
2133Stores the given family hashref into the database. Updates are delayed, if 3340 data => $exp_table,
2134you want the data to be synced to disk immediately, use C<cf::db_sync>. 3341 hash => (Digest::MD5::md5 $exp_table),
2135
2136=item cf::db_put $family => $key => $value
2137
2138Stores the given C<$value> in the family hash. Updates are delayed, if you
2139want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141=item cf::db_dirty
2142
2143Marks the database as dirty, to be updated at a later time.
2144
2145=item cf::db_sync
2146
2147Immediately write the database to disk I<if it is dirty>.
2148
2149=cut
2150
2151our $DB;
2152
2153{
2154 my $path = cf::localdir . "/database.pst";
2155
2156 sub db_load() {
2157 $DB = stat $path ? Storable::retrieve $path : { };
2158 }
2159
2160 my $pid;
2161
2162 sub db_save() {
2163 waitpid $pid, 0 if $pid;
2164 if (0 == ($pid = fork)) {
2165 $DB->{_meta}{version} = 1;
2166 Storable::nstore $DB, "$path~";
2167 rename "$path~", $path;
2168 cf::_exit 0 if defined $pid;
2169 }
2170 }
2171
2172 my $dirty;
2173
2174 sub db_sync() {
2175 db_save if $dirty;
2176 undef $dirty;
2177 }
2178
2179 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180 db_sync;
2181 }); 3342 };
3343 cf::cede_to_tick;
2182 3344
2183 sub db_dirty() {
2184 $dirty = 1;
2185 $idle->start;
2186 } 3345 {
3346 my $faces = $facedata->{faceinfo};
2187 3347
2188 sub db_get($;$) { 3348 while (my ($face, $info) = each %$faces) {
2189 @_ >= 2 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190 ? $DB->{$_[0]}{$_[1]}
2191 : ($DB->{$_[0]} ||= { })
2192 }
2193 3350
2194 sub db_put($$;$) { 3351 cf::face::set_visibility $idx, $info->{visibility};
2195 if (@_ >= 3) { 3352 cf::face::set_magicmap $idx, $info->{magicmap};
2196 $DB->{$_[0]}{$_[1]} = $_[2]; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2197 } else { 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2198 $DB->{$_[0]} = $_[1];
2199 }
2200 db_dirty;
2201 }
2202 3355
2203 cf::global->attach ( 3356 cf::cede_to_tick;
2204 prio => 10000,
2205 on_cleanup => sub {
2206 db_sync;
2207 }, 3357 }
2208 );
2209}
2210 3358
2211############################################################################# 3359 while (my ($face, $info) = each %$faces) {
2212# the server's main() 3360 next unless $info->{smooth};
2213 3361
2214sub cfg_load { 3362 my $idx = cf::face::find $face
3363 or next;
3364
3365 if (my $smooth = cf::face::find $info->{smooth}) {
3366 cf::face::set_smooth $idx, $smooth;
3367 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3368 } else {
3369 warn "smooth face '$info->{smooth}' not found for face '$face'";
3370 }
3371
3372 cf::cede_to_tick;
3373 }
3374 }
3375
3376 {
3377 my $anims = $facedata->{animinfo};
3378
3379 while (my ($anim, $info) = each %$anims) {
3380 cf::anim::set $anim, $info->{frames}, $info->{facings};
3381 cf::cede_to_tick;
3382 }
3383
3384 cf::anim::invalidate_all; # d'oh
3385 }
3386
3387 {
3388 my $res = $facedata->{resource};
3389
3390 while (my ($name, $info) = each %$res) {
3391 if (defined $info->{type}) {
3392 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3393
3394 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3395 cf::face::set_type $idx, $info->{type};
3396 } else {
3397 $RESOURCE{$name} = $info;
3398 }
3399
3400 cf::cede_to_tick;
3401 }
3402 }
3403
3404 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3405
3406 1
3407}
3408
3409cf::global->attach (on_resource_update => sub {
3410 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3411 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3412
3413 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3414 my $sound = $soundconf->{compat}[$_]
3415 or next;
3416
3417 my $face = cf::face::find "sound/$sound->[1]";
3418 cf::sound::set $sound->[0] => $face;
3419 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3420 }
3421
3422 while (my ($k, $v) = each %{$soundconf->{event}}) {
3423 my $face = cf::face::find "sound/$v";
3424 cf::sound::set $k => $face;
3425 }
3426 }
3427});
3428
3429register_exticmd fx_want => sub {
3430 my ($ns, $want) = @_;
3431
3432 while (my ($k, $v) = each %$want) {
3433 $ns->fx_want ($k, $v);
3434 }
3435};
3436
3437sub load_resource_file($) {
3438 my $guard = lock_acquire "load_resource_file";
3439
3440 my $status = load_resource_file_ $_[0];
3441 get_slot 0.1, 100;
3442 cf::arch::commit_load;
3443
3444 $status
3445}
3446
3447sub reload_regions {
3448 # HACK to clear player env face cache, we need some signal framework
3449 # for this (global event?)
3450 %ext::player_env::MUSIC_FACE_CACHE = ();
3451
3452 load_resource_file "$MAPDIR/regions"
3453 or die "unable to load regions file\n";
3454
3455 for (cf::region::list) {
3456 $_->{match} = qr/$_->{match}/
3457 if exists $_->{match};
3458 }
3459}
3460
3461sub reload_facedata {
3462 load_facedata "$DATADIR/facedata"
3463 or die "unable to load facedata\n";
3464}
3465
3466sub reload_archetypes {
3467 load_resource_file "$DATADIR/archetypes"
3468 or die "unable to load archetypes\n";
3469}
3470
3471sub reload_treasures {
3472 load_resource_file "$DATADIR/treasures"
3473 or die "unable to load treasurelists\n";
3474}
3475
3476sub reload_resources {
3477 warn "reloading resource files...\n";
3478
3479 reload_facedata;
3480 reload_archetypes;
3481 reload_regions;
3482 reload_treasures;
3483
3484 warn "finished reloading resource files\n";
3485}
3486
3487sub reload_config {
3488 warn "reloading config file...\n";
3489
2215 open my $fh, "<:utf8", cf::confdir . "/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
2216 or return; 3491 or return;
2217 3492
2218 local $/; 3493 local $/;
2219 *CFG = YAML::Syck::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
2220 3495
2221 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222 3497
2223 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3498 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2224 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3499 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2228 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2229 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
2230 }; 3505 };
2231 warn $@ if $@; 3506 warn $@ if $@;
2232 } 3507 }
3508
3509 warn "finished reloading resource files\n";
3510}
3511
3512sub pidfile() {
3513 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3514 or die "$PIDFILE: $!";
3515 flock $fh, &Fcntl::LOCK_EX
3516 or die "$PIDFILE: flock: $!";
3517 $fh
3518}
3519
3520# make sure only one server instance is running at any one time
3521sub atomic {
3522 my $fh = pidfile;
3523
3524 my $pid = <$fh>;
3525 kill 9, $pid if $pid > 0;
3526
3527 seek $fh, 0, 0;
3528 print $fh $$;
3529}
3530
3531sub main_loop {
3532 warn "EV::loop starting\n";
3533 if (1) {
3534 EV::loop;
3535 }
3536 warn "EV::loop returned\n";
3537 goto &main_loop unless $REALLY_UNLOOP;
2233} 3538}
2234 3539
2235sub main { 3540sub main {
3541 cf::init_globals; # initialise logging
3542
3543 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3544 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3545 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3546 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3547
3548 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3549
2236 # we must not ever block the main coroutine 3550 # we must not ever block the main coroutine
2237 local $Coro::idle = sub { 3551 local $Coro::idle = sub {
2238 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3552 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239 (async { 3553 (async {
2240 Event::one_event; 3554 $Coro::current->{desc} = "IDLE BUG HANDLER";
3555 EV::loop EV::LOOP_ONESHOT;
2241 })->prio (Coro::PRIO_MAX); 3556 })->prio (Coro::PRIO_MAX);
2242 }; 3557 };
2243 3558
2244 cfg_load; 3559 evthread_start IO::AIO::poll_fileno;
2245 db_load; 3560
3561 cf::sync_job {
3562 cf::init_experience;
3563 cf::init_anim;
3564 cf::init_attackmess;
3565 cf::init_dynamic;
3566
3567 cf::load_settings;
3568 cf::load_materials;
3569
3570 reload_resources;
3571 reload_config;
3572 db_init;
3573
3574 cf::init_uuid;
3575 cf::init_signals;
3576 cf::init_skills;
3577
3578 cf::init_beforeplay;
3579
3580 atomic;
3581
2246 load_extensions; 3582 load_extensions;
2247 3583
2248 $TICK_WATCHER->start; 3584 utime time, time, $RUNTIMEFILE;
2249 Event::loop; 3585
3586 # no (long-running) fork's whatsoever before this point(!)
3587 use POSIX ();
3588 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3589
3590 (pop @POST_INIT)->(0) while @POST_INIT;
3591 };
3592
3593 cf::object::thawer::errors_are_fatal 0;
3594 warn "parse errors in files are no longer fatal from this point on.\n";
3595
3596 main_loop;
2250} 3597}
2251 3598
2252############################################################################# 3599#############################################################################
2253# initialisation and cleanup 3600# initialisation and cleanup
2254 3601
2255# install some emergency cleanup handlers 3602# install some emergency cleanup handlers
2256BEGIN { 3603BEGIN {
3604 our %SIGWATCHER = ();
2257 for my $signal (qw(INT HUP TERM)) { 3605 for my $signal (qw(INT HUP TERM)) {
2258 Event->signal ( 3606 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2259 data => WF_AUTOCANCEL,
2260 signal => $signal,
2261 cb => sub {
2262 cf::cleanup "SIG$signal"; 3607 cf::cleanup "SIG$signal";
2263 },
2264 ); 3608 };
3609 }
3610}
3611
3612sub write_runtime_sync {
3613 my $t0 = AE::time;
3614
3615 # first touch the runtime file to show we are still running:
3616 # the fsync below can take a very very long time.
3617
3618 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3619
3620 my $guard = cf::lock_acquire "write_runtime";
3621
3622 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3623 or return;
3624
3625 my $value = $cf::RUNTIME + 90 + 10;
3626 # 10 is the runtime save interval, for a monotonic clock
3627 # 60 allows for the watchdog to kill the server.
3628
3629 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3630 and return;
3631
3632 # always fsync - this file is important
3633 aio_fsync $fh
3634 and return;
3635
3636 # touch it again to show we are up-to-date
3637 aio_utime $fh, undef, undef;
3638
3639 close $fh
3640 or return;
3641
3642 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3643 and return;
3644
3645 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3646
2265 } 3647 1
3648}
3649
3650our $uuid_lock;
3651our $uuid_skip;
3652
3653sub write_uuid_sync($) {
3654 $uuid_skip ||= $_[0];
3655
3656 return if $uuid_lock;
3657 local $uuid_lock = 1;
3658
3659 my $uuid = "$LOCALDIR/uuid";
3660
3661 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3662 or return;
3663
3664 my $value = uuid_seq uuid_cur;
3665
3666 unless ($value) {
3667 warn "cowardly refusing to write zero uuid value!\n";
3668 return;
3669 }
3670
3671 my $value = uuid_str $value + $uuid_skip;
3672 $uuid_skip = 0;
3673
3674 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3675 and return;
3676
3677 # always fsync - this file is important
3678 aio_fsync $fh
3679 and return;
3680
3681 close $fh
3682 or return;
3683
3684 aio_rename "$uuid~", $uuid
3685 and return;
3686
3687 warn "uuid file written ($value).\n";
3688
3689 1
3690
3691}
3692
3693sub write_uuid($$) {
3694 my ($skip, $sync) = @_;
3695
3696 $sync ? write_uuid_sync $skip
3697 : async { write_uuid_sync $skip };
2266} 3698}
2267 3699
2268sub emergency_save() { 3700sub emergency_save() {
2269 my $freeze_guard = cf::freeze_mainloop; 3701 my $freeze_guard = cf::freeze_mainloop;
2270 3702
2271 warn "enter emergency perl save\n"; 3703 warn "emergency_perl_save: enter\n";
2272 3704
2273 cf::sync_job { 3705 cf::sync_job {
3706 # this is a trade-off: we want to be very quick here, so
3707 # save all maps without fsync, and later call a global sync
3708 # (which in turn might be very very slow)
3709 local $USE_FSYNC = 0;
3710
2274 # use a peculiar iteration method to avoid tripping on perl 3711 # use a peculiar iteration method to avoid tripping on perl
2275 # refcount bugs in for. also avoids problems with players 3712 # refcount bugs in for. also avoids problems with players
2276 # and maps saved/destroyed asynchronously. 3713 # and maps saved/destroyed asynchronously.
2277 warn "begin emergency player save\n"; 3714 warn "emergency_perl_save: begin player save\n";
2278 for my $login (keys %cf::PLAYER) { 3715 for my $login (keys %cf::PLAYER) {
2279 my $pl = $cf::PLAYER{$login} or next; 3716 my $pl = $cf::PLAYER{$login} or next;
2280 $pl->valid or next; 3717 $pl->valid or next;
3718 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2281 $pl->save; 3719 $pl->save;
2282 } 3720 }
2283 warn "end emergency player save\n"; 3721 warn "emergency_perl_save: end player save\n";
2284 3722
2285 warn "begin emergency map save\n"; 3723 warn "emergency_perl_save: begin map save\n";
2286 for my $path (keys %cf::MAP) { 3724 for my $path (keys %cf::MAP) {
2287 my $map = $cf::MAP{$path} or next; 3725 my $map = $cf::MAP{$path} or next;
2288 $map->valid or next; 3726 $map->valid or next;
2289 $map->save; 3727 $map->save;
2290 } 3728 }
2291 warn "end emergency map save\n"; 3729 warn "emergency_perl_save: end map save\n";
3730
3731 warn "emergency_perl_save: begin database checkpoint\n";
3732 BDB::db_env_txn_checkpoint $DB_ENV;
3733 warn "emergency_perl_save: end database checkpoint\n";
3734
3735 warn "emergency_perl_save: begin write uuid\n";
3736 write_uuid_sync 1;
3737 warn "emergency_perl_save: end write uuid\n";
2292 }; 3738 };
2293 3739
3740 warn "emergency_perl_save: starting sync()\n";
3741 IO::AIO::aio_sync sub {
3742 warn "emergency_perl_save: finished sync()\n";
3743 };
3744
2294 warn "leave emergency perl save\n"; 3745 warn "emergency_perl_save: leave\n";
2295} 3746}
2296 3747
3748sub post_cleanup {
3749 my ($make_core) = @_;
3750
3751 warn Carp::longmess "post_cleanup backtrace"
3752 if $make_core;
3753
3754 my $fh = pidfile;
3755 unlink $PIDFILE if <$fh> == $$;
3756}
3757
3758# a safer delete_package, copied from Symbol
3759sub clear_package($) {
3760 my $pkg = shift;
3761
3762 # expand to full symbol table name if needed
3763 unless ($pkg =~ /^main::.*::$/) {
3764 $pkg = "main$pkg" if $pkg =~ /^::/;
3765 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3766 $pkg .= '::' unless $pkg =~ /::$/;
3767 }
3768
3769 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3770 my $stem_symtab = *{$stem}{HASH};
3771
3772 defined $stem_symtab and exists $stem_symtab->{$leaf}
3773 or return;
3774
3775 # clear all symbols
3776 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3777 for my $name (keys %$leaf_symtab) {
3778 _gv_clear *{"$pkg$name"};
3779# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3780 }
3781 warn "cleared package $pkg\n";#d#
3782}
3783
2297sub reload() { 3784sub do_reload_perl() {
2298 # can/must only be called in main 3785 # can/must only be called in main
2299 if ($Coro::current != $Coro::main) { 3786 if ($Coro::current != $Coro::main) {
2300 warn "can only reload from main coroutine"; 3787 warn "can only reload from main coroutine";
2301 return; 3788 return;
2302 } 3789 }
2303 3790
3791 return if $RELOAD++;
3792
3793 my $t1 = AE::time;
3794
3795 while ($RELOAD) {
2304 warn "reloading..."; 3796 warn "reloading...";
2305 3797
2306 warn "cancelling server ticker"; 3798 warn "entering sync_job";
2307 $TICK_WATCHER->cancel;
2308 3799
3800 cf::sync_job {
3801 cf::write_runtime_sync; # external watchdog should not bark
2309 cf::emergency_save; 3802 cf::emergency_save;
3803 cf::write_runtime_sync; # external watchdog should not bark
2310 3804
2311 eval { 3805 warn "syncing database to disk";
3806 BDB::db_env_txn_checkpoint $DB_ENV;
3807
2312 # if anything goes wrong in here, we should simply crash as we already saved 3808 # if anything goes wrong in here, we should simply crash as we already saved
2313 3809
2314 warn "syncing database to disk";
2315 cf::db_sync;
2316
2317 warn "cancelling all WF_AUTOCANCEL watchers";
2318 for (Event::all_watchers) {
2319 $_->cancel if $_->data & WF_AUTOCANCEL;
2320 }
2321
2322 warn "flushing outstanding aio requests"; 3810 warn "flushing outstanding aio requests";
2323 for (;;) { 3811 while (IO::AIO::nreqs || BDB::nreqs) {
2324 IO::AIO::flush; 3812 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2325 Coro::cede;
2326 last unless IO::AIO::nreqs;
2327 warn "iterate...";
2328 }
2329
2330 warn "cancelling all extension coros";
2331 $_->cancel for values %EXT_CORO;
2332 %EXT_CORO = ();
2333
2334 warn "removing commands";
2335 %COMMAND = ();
2336
2337 warn "removing ext commands";
2338 %EXTCMD = ();
2339
2340 warn "unloading/nuking all extensions";
2341 for my $pkg (@EXTS) {
2342 warn "... unloading $pkg";
2343
2344 if (my $cb = $pkg->can ("unload")) {
2345 eval {
2346 $cb->($pkg);
2347 1
2348 } or warn "$pkg unloaded, but with errors: $@";
2349 } 3813 }
2350 3814
2351 warn "... nuking $pkg"; 3815 warn "cancelling all extension coros";
2352 Symbol::delete_package $pkg; 3816 $_->cancel for values %EXT_CORO;
2353 } 3817 %EXT_CORO = ();
2354 3818
2355 warn "unloading all perl modules loaded from $LIBDIR"; 3819 warn "removing commands";
2356 while (my ($k, $v) = each %INC) { 3820 %COMMAND = ();
2357 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2358 3821
3822 warn "removing ext/exti commands";
3823 %EXTCMD = ();
3824 %EXTICMD = ();
3825
3826 warn "unloading/nuking all extensions";
3827 for my $pkg (@EXTS) {
2359 warn "... unloading $k"; 3828 warn "... unloading $pkg";
2360 delete $INC{$k};
2361 3829
2362 $k =~ s/\.pm$//;
2363 $k =~ s/\//::/g;
2364
2365 if (my $cb = $k->can ("unload_module")) { 3830 if (my $cb = $pkg->can ("unload")) {
3831 eval {
2366 $cb->(); 3832 $cb->($pkg);
3833 1
3834 } or warn "$pkg unloaded, but with errors: $@";
3835 }
3836
3837 warn "... clearing $pkg";
3838 clear_package $pkg;
2367 } 3839 }
2368 3840
2369 Symbol::delete_package $k; 3841 warn "unloading all perl modules loaded from $LIBDIR";
3842 while (my ($k, $v) = each %INC) {
3843 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3844
3845 warn "... unloading $k";
3846 delete $INC{$k};
3847
3848 $k =~ s/\.pm$//;
3849 $k =~ s/\//::/g;
3850
3851 if (my $cb = $k->can ("unload_module")) {
3852 $cb->();
3853 }
3854
3855 clear_package $k;
2370 } 3856 }
2371 3857
2372 warn "getting rid of safe::, as good as possible"; 3858 warn "getting rid of safe::, as good as possible";
2373 Symbol::delete_package "safe::$_" 3859 clear_package "safe::$_"
2374 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3860 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2375 3861
2376 warn "unloading cf.pm \"a bit\""; 3862 warn "unloading cf.pm \"a bit\"";
2377 delete $INC{"cf.pm"}; 3863 delete $INC{"cf.pm"};
3864 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2378 3865
2379 # don't, removes xs symbols, too, 3866 # don't, removes xs symbols, too,
2380 # and global variables created in xs 3867 # and global variables created in xs
2381 #Symbol::delete_package __PACKAGE__; 3868 #clear_package __PACKAGE__;
2382 3869
2383 warn "unload completed, starting to reload now"; 3870 warn "unload completed, starting to reload now";
2384 3871
2385 warn "reloading cf.pm"; 3872 warn "reloading cf.pm";
2386 require cf; 3873 require cf;
2387 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3874 cf::_connect_to_perl_1;
2388 3875
2389 warn "loading config and database again"; 3876 warn "loading config and database again";
2390 cf::cfg_load; 3877 cf::reload_config;
2391 cf::db_load;
2392 3878
2393 warn "loading extensions"; 3879 warn "loading extensions";
2394 cf::load_extensions; 3880 cf::load_extensions;
2395 3881
3882 if ($REATTACH_ON_RELOAD) {
2396 warn "reattaching attachments to objects/players"; 3883 warn "reattaching attachments to objects/players";
2397 _global_reattach; 3884 _global_reattach; # objects, sockets
2398 warn "reattaching attachments to maps"; 3885 warn "reattaching attachments to maps";
2399 reattach $_ for values %MAP; 3886 reattach $_ for values %MAP;
3887 warn "reattaching attachments to players";
3888 reattach $_ for values %PLAYER;
3889 }
2400 3890
2401 warn "restarting server ticker"; 3891 warn "running post_init jobs";
3892 (pop @POST_INIT)->(1) while @POST_INIT;
2402 3893
2403 $TICK_WATCHER->start; 3894 warn "leaving sync_job";
3895
3896 1
3897 } or do {
3898 warn $@;
3899 cf::cleanup "error while reloading, exiting.";
3900 };
3901
3902 warn "reloaded";
3903 --$RELOAD;
3904 }
3905
3906 $t1 = AE::time - $t1;
3907 warn "reload completed in ${t1}s\n";
3908};
3909
3910our $RELOAD_WATCHER; # used only during reload
3911
3912sub reload_perl() {
3913 # doing reload synchronously and two reloads happen back-to-back,
3914 # coro crashes during coro_state_free->destroy here.
3915
3916 $RELOAD_WATCHER ||= cf::async {
3917 Coro::AIO::aio_wait cache_extensions;
3918
3919 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3920 do_reload_perl;
3921 undef $RELOAD_WATCHER;
3922 };
2404 }; 3923 };
2405 3924}
2406 if ($@) {
2407 warn $@;
2408 warn "error while reloading, exiting.";
2409 exit 1;
2410 }
2411
2412 warn "reloaded";
2413};
2414
2415our $RELOAD_WATCHER; # used only during reload
2416 3925
2417register_command "reload" => sub { 3926register_command "reload" => sub {
2418 my ($who, $arg) = @_; 3927 my ($who, $arg) = @_;
2419 3928
2420 if ($who->flag (FLAG_WIZ)) { 3929 if ($who->flag (FLAG_WIZ)) {
2421 $who->message ("reloading server."); 3930 $who->message ("reloading server.");
2422 3931 async {
2423 # doing reload synchronously and two reloads happen back-to-back, 3932 $Coro::current->{desc} = "perl_reload";
2424 # coro crashes during coro_state_free->destroy here.
2425
2426 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2427 reload; 3933 reload_perl;
2428 undef $RELOAD_WATCHER;
2429 }); 3934 };
2430 } 3935 }
2431}; 3936};
2432 3937
2433unshift @INC, $LIBDIR; 3938unshift @INC, $LIBDIR;
2434 3939
2435my $bug_warning = 0; 3940my $bug_warning = 0;
2436 3941
2437$TICK_WATCHER = Event->timer ( 3942our @WAIT_FOR_TICK;
2438 reentrant => 0, 3943our @WAIT_FOR_TICK_BEGIN;
2439 parked => 1, 3944
2440 prio => 0, 3945sub wait_for_tick {
2441 at => $NEXT_TICK || $TICK, 3946 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2442 data => WF_AUTOCANCEL, 3947
2443 cb => sub { 3948 my $signal = new Coro::Signal;
3949 push @WAIT_FOR_TICK, $signal;
3950 $signal->wait;
3951}
3952
3953sub wait_for_tick_begin {
3954 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3955
3956 my $signal = new Coro::Signal;
3957 push @WAIT_FOR_TICK_BEGIN, $signal;
3958 $signal->wait;
3959}
3960
3961sub tick {
2444 if ($Coro::current != $Coro::main) { 3962 if ($Coro::current != $Coro::main) {
2445 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3963 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2446 unless ++$bug_warning > 10; 3964 unless ++$bug_warning > 10;
2447 return; 3965 return;
2448 } 3966 }
2449 3967
2450 $NOW = Event::time;
2451
2452 cf::server_tick; # one server iteration 3968 cf::server_tick; # one server iteration
2453 $RUNTIME += $TICK;
2454 $NEXT_TICK += $TICK;
2455 3969
2456 $WAIT_FOR_TICK->broadcast; 3970 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2457 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2458 3971
2459 # if we are delayed by four ticks or more, skip them all 3972 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2460 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3973 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2461 3974 Coro::async_pool {
2462 $TICK_WATCHER->at ($NEXT_TICK); 3975 $Coro::current->{desc} = "runtime saver";
2463 $TICK_WATCHER->start;
2464 },
2465);
2466
2467IO::AIO::max_poll_time $TICK * 0.2;
2468
2469$AIO_POLL_WATCHER = Event->io (
2470 fd => IO::AIO::poll_fileno,
2471 poll => 'r',
2472 prio => 5,
2473 data => WF_AUTOCANCEL,
2474 cb => \&IO::AIO::poll_cb,
2475);
2476
2477$WRITE_RUNTIME_WATCHER = Event->timer (
2478 data => WF_AUTOCANCEL,
2479 after => 1,
2480 interval => 10,
2481 cb => Coro::unblock_sub {
2482 write_runtime 3976 write_runtime_sync
2483 or warn "ERROR: unable to write runtime file: $!"; 3977 or warn "ERROR: unable to write runtime file: $!";
3978 };
2484 }, 3979 }
2485); 3980
3981 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3982 $sig->send;
3983 }
3984 while (my $sig = shift @WAIT_FOR_TICK) {
3985 $sig->send;
3986 }
3987
3988 $LOAD = ($NOW - $TICK_START) / $TICK;
3989 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3990
3991 if (0) {
3992 if ($NEXT_TICK) {
3993 my $jitter = $TICK_START - $NEXT_TICK;
3994 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3995 warn "jitter $JITTER\n";#d#
3996 }
3997 }
3998}
3999
4000{
4001 # configure BDB
4002
4003 BDB::min_parallel 16;
4004 BDB::max_poll_reqs $TICK * 0.1;
4005 $AnyEvent::BDB::WATCHER->priority (1);
4006
4007 unless ($DB_ENV) {
4008 $DB_ENV = BDB::db_env_create;
4009 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4010 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4011 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4012 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4013 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4014
4015 cf::sync_job {
4016 eval {
4017 BDB::db_env_open
4018 $DB_ENV,
4019 $BDBDIR,
4020 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4021 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4022 0666;
4023
4024 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4025 };
4026
4027 cf::cleanup "db_env_open(db): $@" if $@;
4028 };
4029 }
4030
4031 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4032 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4033 };
4034 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4035 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4036 };
4037 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4038 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4039 };
4040}
4041
4042{
4043 # configure IO::AIO
4044
4045 IO::AIO::min_parallel 8;
4046 IO::AIO::max_poll_time $TICK * 0.1;
4047 undef $AnyEvent::AIO::WATCHER;
4048}
4049
4050my $_log_backtrace;
4051
4052sub _log_backtrace {
4053 my ($msg, @addr) = @_;
4054
4055 $msg =~ s/\n//;
4056
4057 # limit the # of concurrent backtraces
4058 if ($_log_backtrace < 2) {
4059 ++$_log_backtrace;
4060 my $perl_bt = Carp::longmess $msg;
4061 async {
4062 $Coro::current->{desc} = "abt $msg";
4063
4064 my @bt = fork_call {
4065 @addr = map { sprintf "%x", $_ } @addr;
4066 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4067 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4068 or die "addr2line: $!";
4069
4070 my @funcs;
4071 my @res = <$fh>;
4072 chomp for @res;
4073 while (@res) {
4074 my ($func, $line) = splice @res, 0, 2, ();
4075 push @funcs, "[$func] $line";
4076 }
4077
4078 @funcs
4079 };
4080
4081 LOG llevInfo, "[ABT] $perl_bt\n";
4082 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4083 LOG llevInfo, "[ABT] $_\n" for @bt;
4084 --$_log_backtrace;
4085 };
4086 } else {
4087 LOG llevInfo, "[ABT] $msg\n";
4088 LOG llevInfo, "[ABT] [suppressed]\n";
4089 }
4090}
4091
4092# load additional modules
4093require "cf/$_.pm" for @EXTRA_MODULES;
4094cf::_connect_to_perl_2;
2486 4095
2487END { cf::emergency_save } 4096END { cf::emergency_save }
2488 4097
24891 40981
2490 4099

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