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Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 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 3.3 (); 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;
99our $LIBDIR = "$DATADIR/ext";
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
49our $NEXT_TICK; 118our $NEXT_TICK;
50our $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);
51 127
52our %CFG; 128our %CFG;
53 129
54our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 131our $RUNTIME;
132our $NOW;
56 133
57our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
58our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
59our $LINK_MAP; # the special {link} map 136our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61 137
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 138# used to convert map paths into valid unix filenames by replacing / by ∕
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
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 $REALLY_UNLOOP; # never set to true, please :)
64 150
65binmode STDOUT; 151binmode STDOUT;
66binmode STDERR; 152binmode STDERR;
67 153
68# read virtual server time, if available 154# read virtual server time, if available
69unless ($RUNTIME || !-e cf::localdir . "/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
70 open my $fh, "<", cf::localdir . "/runtime" 156 open my $fh, "<", $RUNTIMEFILE
71 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
72 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
73} 159}
74 160
75mkdir cf::localdir; 161eval "sub TICK() { $TICK } 1" or die;
76mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS;
80 162
81# a special map that is always available 163mkdir $_
82our $LINK_MAP; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
165
83our $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::"} };
84 180
85############################################################################# 181#############################################################################
86 182
87=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
88 184
… …
95=item $cf::RUNTIME 191=item $cf::RUNTIME
96 192
97The 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
98every server tick. 194every server tick.
99 195
100=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
101 199
102The perl library directory, where extensions and cf-specific modules can 200Various directories - "/etc", read-only install directory, perl-library
103be 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.
104 204
105=item $cf::NOW 205=item $cf::NOW
106 206
107The time of the last (current) server tick. 207The time of the last (current) server tick.
108 208
109=item $cf::TICK 209=item $cf::TICK
110 210
111The interval between server ticks, in seconds. 211The interval between server ticks, in seconds.
112 212
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
113=item %cf::CFG 223=item %cf::CFG
114 224
115Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116from wherever your confdir points to. 226from wherever your confdir points to.
117 227
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 228=item cf::wait_for_tick, cf::wait_for_tick_begin
119 229
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 231returns directly I<after> the tick processing (and consequently, can only wake one process
122processing has been done. Call C<< ->wait >> on them to maximise the 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123window of cpu time available, or simply to synchronise to the server tick. 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
124 245
125=back 246=back
126 247
127=cut 248=cut
128 249
129BEGIN { 250$Coro::State::WARNHOOK = sub {
130 *CORE::GLOBAL::warn = sub {
131 my $msg = join "", @_; 251 my $msg = join "", @_;
132 utf8::encode $msg;
133 252
134 $msg .= "\n" 253 $msg .= "\n"
135 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
136 255
256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
257
137 LOG llevError, $msg; 258 LOG llevError, $msg;
138 }; 259};
139} 260
261$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};
140 274
141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145@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';
146@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)
147 282
148# 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
149# within the Safe compartment. 284# within the Safe compartment.
150for my $pkg (qw( 285for my $pkg (qw(
151 cf::global cf::attachable 286 cf::global cf::attachable
152 cf::object cf::object::player 287 cf::object cf::object::player
153 cf::client cf::player 288 cf::client cf::player
154 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
155 cf::map cf::party cf::region 291 cf::party cf::region
156)) { 292)) {
157 no strict 'refs';
158 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159} 294}
160 295
161$Event::DIED = sub { 296$EV::DIED = sub {
162 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
163}; 298};
299
300#############################################################################
164 301
165=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
166 303
167=over 4 304=over 4
168 305
… …
187 $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;
188 $d 325 $d
189 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
190} 327}
191 328
192use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
195 330
196Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
197 332
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
206 334
207Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
208 336
209=cut 337=cut
210 338
211sub to_json($) { 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 340
213 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;
214} 356}
215 357
216=item cf::lock_wait $string 358=item cf::lock_wait $string
217 359
218Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
219 361
220=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
221 363
222Wait 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
223a 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,
224for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
225returned. 367returned.
226 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
227Lock 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
228uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
229 374
230=cut 375=item $locked = cf::lock_active $string
231 376
232our %LOCK; 377Return true if the lock is currently active, i.e. somebody has locked it.
378
379=cut
380
381our $LOCKS = new Coro::SemaphoreSet;
233 382
234sub lock_wait($) { 383sub lock_wait($) {
235 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
236
237 # wait for lock, if any
238 while ($LOCK{$key}) {
239 push @{ $LOCK{$key} }, $Coro::current;
240 Coro::schedule;
241 }
242} 385}
243 386
244sub lock_acquire($) { 387sub lock_acquire($) {
245 my ($key) = @_; 388 $LOCKS->guard ($_[0])
389}
246 390
247 # wait, to be sure we are not locked 391sub lock_active($) {
248 lock_wait $key; 392 $LOCKS->count ($_[0]) < 1
249
250 $LOCK{$key} = [];
251
252 Coro::guard {
253 # wake up all waiters, to be on the safe side
254 $_->ready for @{ delete $LOCK{$key} };
255 }
256} 393}
257 394
258sub freeze_mainloop { 395sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
260 397
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 398 &Guard::guard (\&tick_inhibit_dec);
262 $TICK_WATCHER->stop; 399}
263 $guard 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($$) {
409 my ($interval, $cb) = @_;
410
411 my $start = rand List::Util::min 180, $interval;
412
413 EV::periodic $start, $interval, 0, $cb
414}
415
416=item cf::get_slot $time[, $priority[, $name]]
417
418Allocate $time seconds of blocking CPU time at priority C<$priority>:
419This call blocks and returns only when you have at least C<$time> seconds
420of cpu time till the next tick. The slot is only valid till the next cede.
421
422The optional C<$name> can be used to identify the job to run. It might be
423used for statistical purposes and should identify the same time-class.
424
425Useful for short background jobs.
426
427=cut
428
429our @SLOT_QUEUE;
430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
432
433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
434$SLOT_QUEUE = Coro::async {
435 $Coro::current->desc ("timeslot manager");
436
437 my $signal = new Coro::Signal;
438 my $busy;
439
440 while () {
441 next_job:
442
443 my $avail = cf::till_tick;
444
445 for (0 .. $#SLOT_QUEUE) {
446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
448 my $job = splice @SLOT_QUEUE, $_, 1, ();
449 $job->[2]->send;
450 Coro::cede;
451 goto next_job;
452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
454 }
455 }
456
457 if (@SLOT_QUEUE) {
458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
459 push @cf::WAIT_FOR_TICK, $signal;
460 $signal->wait;
461 } else {
462 $busy = 0;
463 Coro::schedule;
464 }
465 }
466};
467
468sub get_slot($;$$) {
469 return if tick_inhibit || $Coro::current == $Coro::main;
470
471 my ($time, $pri, $name) = @_;
472
473 $time = clamp $time, 0.01, $TICK * .6;
474
475 my $sig = new Coro::Signal;
476
477 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
478 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
479 $SLOT_QUEUE->ready;
480 $sig->wait;
264} 481}
265 482
266=item cf::async { BLOCK } 483=item cf::async { BLOCK }
267 484
268Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
… …
273 490
274BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
275 492
276=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
277 494
278The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
279always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
280reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
281 499
282If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
283the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
284server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
285fast or be very important. 503fast or be very important.
… …
288 506
289sub sync_job(&) { 507sub sync_job(&) {
290 my ($job) = @_; 508 my ($job) = @_;
291 509
292 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
511 my $time = AE::time;
512
293 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
294 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
295 515
296 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
297 # (but this is cancel-safe) 517
298 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
299 519
300 my $busy = 1; 520 my $busy = 1;
301 my @res; 521 my @res;
302 522
303 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
304 @res = eval { $job->() }; 525 @res = eval { $job->() };
305 warn $@ if $@; 526 warn $@ if $@;
306 undef $busy; 527 undef $busy;
307 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
308 529
309 while ($busy) { 530 while ($busy) {
310 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
311 } 535 }
536 }
537
538 my $time = AE::time - $time;
539
540 $TICK_START += $time; # do not account sync jobs to server load
312 541
313 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
314 } else { 543 } else {
315 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
316 545
… …
336 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
337 566
338 $coro 567 $coro
339} 568}
340 569
341sub write_runtime { 570=item fork_call { }, $args
342 my $runtime = cf::localdir . "/runtime";
343 571
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572Executes the given code block with the given arguments in a seperate
345 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.
346 576
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 577=cut
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return;
350 578
351 aio_fsync $fh 579sub fork_call(&@) {
352 and return; 580 my ($cb, @args) = @_;
353 581
354 close $fh 582 # we seemingly have to make a local copy of the whole thing,
355 or return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
356 585
357 aio_rename "$runtime~", $runtime 586 my @res = Coro::Util::fork_eval {
358 and return; 587 reset_signals;
588 &$cb
589 }, @args;
359 590
591 wantarray ? @res : $res[-1]
592}
593
594sub objinfo {
360 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 });
361} 768}
362 769
363=back 770=back
364 771
365=cut 772=cut
366 773
367############################################################################# 774#############################################################################
368 775
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477 $path
478}
479
480# the original (read-only) location
481sub load_path {
482 my ($self) = @_;
483
484 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485}
486
487# the temporary/swap location
488sub save_path {
489 my ($self) = @_;
490
491 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494}
495
496# the unique path, undef == no special unique path
497sub uniq_path {
498 my ($self) = @_;
499
500 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501}
502
503# this is somewhat ugly, but style maps do need special treatment
504sub is_style_map {
505 $_[0]{path} =~ m{^/styles/}
506}
507
508sub load_orig {
509 my ($self) = @_;
510
511 &cf::map::load_map_header ($self->load_path)
512}
513
514sub load_temp {
515 my ($self) = @_;
516
517 &cf::map::load_map_header ($self->save_path)
518}
519
520package cf;
521
522#############################################################################
523
524=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
525 777
526Many 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
527attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
528to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
529 781
530In 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>
531C<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
532crossfire+). 784Deliantra).
533 785
534=over 4 786=over 4
535 787
536=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
537 789
… …
581=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
582 834
583Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
584given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
585 837
586Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
587that 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.
588 840
589These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
590 842
591=over 4 843=over 4
… …
651our @CB_TYPE = (); # registry for type (cf-object class) based events 903our @CB_TYPE = (); # registry for type (cf-object class) based events
652our @CB_MAP = (); 904our @CB_MAP = ();
653 905
654my %attachment; 906my %attachment;
655 907
908sub cf::attachable::thawer_merge {
909 # simply override everything except _meta
910 local $_[0]{_meta};
911 %{$_[0]} = %{$_[1]};
912}
913
656sub _attach_cb($$$$) { 914sub _attach_cb($$$$) {
657 my ($registry, $event, $prio, $cb) = @_; 915 my ($registry, $event, $prio, $cb) = @_;
658 916
659 use sort 'stable'; 917 use sort 'stable';
660 918
… …
694 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
695 953
696 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
697 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
698 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
699 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700 958
701 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
702 my $pkg = shift @arg; 960 my $pkg = shift @arg;
703 961
704 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
… …
733 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
734 } 992 }
735 993
736 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
737 } else { 995 } else {
738 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
739 } 997 }
740 998
741 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
742} 1000}
743 1001
… …
745 if (ref $_[0]) { 1003 if (ref $_[0]) {
746 _object_attach @_; 1004 _object_attach @_;
747 } else { 1005 } else {
748 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
749 } 1007 }
1008 _recalc_want;
750}; 1009};
751 1010
752# all those should be optimised 1011# all those should be optimised
753sub cf::attachable::detach { 1012sub cf::attachable::detach {
754 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
… …
757 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
758 reattach ($obj); 1017 reattach ($obj);
759 } else { 1018 } else {
760 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
761 } 1020 }
1021 _recalc_want;
762}; 1022};
763 1023
764sub cf::attachable::attached { 1024sub cf::attachable::attached {
765 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
766 1026
… …
781 "; 1041 ";
782 die if $@; 1042 die if $@;
783} 1043}
784 1044
785our $override; 1045our $override;
786our @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?
787 1047
788sub override { 1048sub override {
789 $override = 1; 1049 $override = 1;
790 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
791} 1051}
792 1052
793sub do_invoke { 1053sub do_invoke {
794 my $event = shift; 1054 my $event = shift;
795 my $callbacks = shift; 1055 my $callbacks = shift;
796 1056
797 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
798 1058
799 local $override; 1059 local $override;
800 1060
801 for (@$callbacks) { 1061 for (@$callbacks) {
802 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
811 } 1071 }
812 1072
813 0 1073 0
814} 1074}
815 1075
816=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817 1077
818=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819 1079
820Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
821 1081
822This 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
823removed 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
824results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825 1085
826=back 1086=back
827 1087
828=cut 1088=cut
829 1089
830############################################################################# 1090#############################################################################
831# object support 1091# object support
1092
1093sub _object_equal($$);
1094sub _object_equal($$) {
1095 my ($a, $b) = @_;
1096
1097 return 0 unless (ref $a) eq (ref $b);
1098
1099 if ("HASH" eq ref $a) {
1100 my @ka = keys %$a;
1101 my @kb = keys %$b;
1102
1103 return 0 if @ka != @kb;
1104
1105 for (0 .. $#ka) {
1106 return 0 unless $ka[$_] eq $kb[$_];
1107 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1108 }
1109
1110 } elsif ("ARRAY" eq ref $a) {
1111
1112 return 0 if @$a != @$b;
1113
1114 for (0 .. $#$a) {
1115 return 0 unless _object_equal $a->[$_], $b->[$_];
1116 }
1117
1118 } elsif ($a ne $b) {
1119 return 0;
1120 }
1121
1122 1
1123}
1124
1125our $SLOW_MERGES;#d#
1126sub _can_merge {
1127 my ($ob1, $ob2) = @_;
1128
1129 ++$SLOW_MERGES;#d#
1130
1131 # we do the slow way here
1132 return _object_equal $ob1, $ob2
1133}
832 1134
833sub reattach { 1135sub reattach {
834 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
835 my ($obj) = @_; 1137 my ($obj) = @_;
1138
1139 # no longer needed after getting rid of delete_package?
1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836 1141
837 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
838 1143
839 @$registry = (); 1144 @$registry = ();
840 1145
… …
855cf::attachable->attach ( 1160cf::attachable->attach (
856 prio => -1000000, 1161 prio => -1000000,
857 on_instantiate => sub { 1162 on_instantiate => sub {
858 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
859 1164
860 $data = from_json $data; 1165 $data = decode_json $data;
861 1166
862 for (@$data) { 1167 for (@$data) {
863 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
864 1169
865 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
881sub object_freezer_save { 1186sub object_freezer_save {
882 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
883 1188
884 sync_job { 1189 sync_job {
885 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
886 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
887 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
888 1194
889 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
891 aio_write $fh, 0, (length $$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;
892 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
893 close $fh; 1202 aio_close $fh;
894 1203
895 if (@$objs) { 1204 if (@$objs) {
896 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) {
897 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
898 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899 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;
900 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
901 close $fh; 1213 aio_close $fh;
902 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
903 } 1215 }
904 } else { 1216 } else {
905 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
906 } 1218 }
907 1219
908 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
909 } else { 1224 } else {
910 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
911 } 1226 }
912 } else { 1227 } else {
913 aio_unlink $filename; 1228 aio_unlink $filename;
914 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
915 } 1230 }
916 } 1231 };
917} 1232}
918 1233
919sub object_freezer_as_string { 1234sub object_freezer_as_string {
920 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
921 1236
… …
933 or return; 1248 or return;
934 1249
935 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
936 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
937 or return; 1252 or return;
1253
938 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
939 } 1256 }
940 1257
1258 utf8::decode (my $decname = $filename);
941 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
942 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
943 return ($data, $av); 1262 ($data, $av)
944} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
945 1270
946############################################################################# 1271#############################################################################
947# command handling &c 1272# command handling &c
948 1273
949=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
962 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
963} 1288}
964 1289
965=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
966 1291
967Register 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.
968 1297
969If 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
970called. 1299called.
971 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
972=cut 1312=cut
973 1313
974sub register_extcmd { 1314sub register_extcmd {
975 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
976 1316
977 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
978} 1318}
979 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
980cf::player->attach ( 1328cf::player->attach (
981 on_command => sub { 1329 on_unknown_command => sub {
982 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
983 1331
984 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
985 or return; 1333 or return;
986 1334
… …
991 cf::override; 1339 cf::override;
992 }, 1340 },
993 on_extcmd => sub { 1341 on_extcmd => sub {
994 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
995 1343
996 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997 1345
998 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
999 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
1000 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
1001 $pl->ext_reply ($msg->{msgid}, %reply);
1002 }
1003 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
1004 } else { 1361 } else {
1005 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006 } 1363 }
1007 1364
1008 cf::override; 1365 cf::override;
1009 }, 1366 },
1010); 1367);
1011 1368
1369# "readahead" all extensions
1012sub load_extension { 1370sub cache_extensions {
1013 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
1014 1372
1015 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1016 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
1017 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018 $pkg =~ s/[^[:word:]]/_/g; 1376 }
1019 $pkg = "ext::$pkg"; 1377 };
1020 1378
1021 warn "... loading '$path' into '$pkg'\n"; 1379 $grp
1022
1023 open my $fh, "<:utf8", $path
1024 or die "$path: $!";
1025
1026 my $source =
1027 "package $pkg; use strict; use utf8;\n"
1028 . "#line 1 \"$path\"\n{\n"
1029 . (do { local $/; <$fh> })
1030 . "\n};\n1";
1031
1032 eval $source
1033 or die $@ ? "$path: $@\n"
1034 : "extension disabled.\n";
1035
1036 push @EXTS, $pkg;
1037} 1380}
1038 1381
1039sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
1040 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
1041 next unless -r $ext; 1387 next unless -r $path;
1042 eval { 1388
1043 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 }
1044 1 1449 }
1045 } 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 }
1046 } 1460 };
1047} 1461}
1048 1462
1049############################################################################# 1463#############################################################################
1050# load/save/clean perl data associated with a map
1051 1464
1052*cf::mapsupport::on_clean = sub { 1465=back
1053 my ($map) = @_;
1054
1055 my $path = $map->tmpname;
1056 defined $path or return;
1057
1058 unlink "$path.pst";
1059};
1060
1061cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063#############################################################################
1064 1466
1065=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
1066 1468
1067Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
1068 1470
1069=cut 1471=cut
1070 1472
1071package cf::player; 1473package cf::player;
1072 1474
… …
1074 1476
1075=head3 cf::player 1477=head3 cf::player
1076 1478
1077=over 4 1479=over 4
1078 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
1079=item cf::player::find $login 1495=item cf::player::find $login
1080 1496
1081Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
1082 1498
1083=cut 1499=cut
1084 1500
1085sub playerdir($) { 1501sub playerdir($) {
1086 cf::localdir 1502 "$PLAYERDIR/"
1087 . "/"
1088 . cf::playerdir
1089 . "/"
1090 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1091} 1504}
1092 1505
1093sub path($) { 1506sub path($) {
1094 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095 1508
1096 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
1097} 1510}
1098 1511
1099sub find_active($) { 1512sub find_active($) {
1100 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
1101 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
… …
1104 1517
1105sub exists($) { 1518sub exists($) {
1106 my ($login) = @_; 1519 my ($login) = @_;
1107 1520
1108 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
1109 or cf::sync_job { !aio_stat $login } 1522 or !aio_stat path $login
1110} 1523}
1111 1524
1112sub find($) { 1525sub find($) {
1113 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
1114 my $login = $_[0]; 1527 my $login = $_[0];
1115 1528
1116 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
1117 1530
1118 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
1119 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
1120 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;
1121 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
1122 } 1548 }
1123 } 1549 }
1124} 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);
1125 1564
1126sub save($) { 1565sub save($) {
1127 my ($pl) = @_; 1566 my ($pl) = @_;
1128 1567
1129 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
1134 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
1135 1574
1136 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
1137 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
1138 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
1139 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
1140 Coro::cede; 1584 cf::cede_to_tick;
1141} 1585}
1142 1586
1143sub new($) { 1587sub new($) {
1144 my ($login) = @_; 1588 my ($login) = @_;
1145 1589
… …
1151 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1152 1596
1153 $self 1597 $self
1154} 1598}
1155 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
1156=item $pl->quit_character 1610=item $pl->quit_character
1157 1611
1158Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1159be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1160 1614
1161=cut 1615=cut
1162 1616
1163sub quit_character { 1617sub quit_character {
1164 my ($pl) = @_; 1618 my ($pl) = @_;
1165 1619
1620 my $name = $pl->ob->name;
1621
1166 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1167 $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
1168 1624
1169 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1171 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1172 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1173 1631
1174 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1175 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1176 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1177 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1178 $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
1179 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;
1180} 1658}
1181 1659
1182=item cf::player::list_logins 1660=item cf::player::list_logins
1183 1661
1184Returns 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
1185while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1186 1664
1187=cut 1665=cut
1188 1666
1189sub list_logins { 1667sub list_logins {
1190 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1191 or return []; 1669 or return [];
1192 1670
1193 my @logins; 1671 my @logins;
1194 1672
1195 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") {
1196 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1198 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1199 1683
1200 utf8::decode $login; 1684 utf8::decode $login;
1201 push @logins, $login; 1685 push @logins, $login;
1202 } 1686 }
1203 1687
1204 \@logins 1688 \@logins
1205} 1689}
1206 1690
1207=item $player->maps 1691=item $player->maps
1208 1692
1209Returns an arrayref of cf::path's of all maps that are private for this 1693Returns an arrayref of map paths that are private for this
1210player. May block. 1694player. May block.
1211 1695
1212=cut 1696=cut
1213 1697
1214sub maps($) { 1698sub maps($) {
1215 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1216 1702
1217 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1218 or return; 1704 or return;
1219 1705
1220 my @paths; 1706 my @paths;
… …
1222 for (@$files) { 1708 for (@$files) {
1223 utf8::decode $_; 1709 utf8::decode $_;
1224 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1225 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1226 1712
1227 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1713 push @paths, cf::map::normalise "~$pl/$_";
1228 } 1714 }
1229 1715
1230 \@paths 1716 \@paths
1231} 1717}
1232 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1233=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1234 1724
1235Sends an ext reply to the player. 1725Sends an ext reply to the player.
1236 1726
1237=cut 1727=cut
1238 1728
1239sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1240 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1241 1731
1242 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1243
1244 $self->send ("ext " . cf::to_json \%msg);
1245} 1733}
1246 1734
1247package cf; 1735=item $player->ext_msg ($type, @msg)
1736
1737Sends an ext event to the client.
1738
1739=cut
1740
1741sub ext_msg($$@) {
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}
1248 1775
1249=back 1776=back
1250
1251 1777
1252=head3 cf::map 1778=head3 cf::map
1253 1779
1254=over 4 1780=over 4
1255 1781
… …
1258package cf::map; 1784package cf::map;
1259 1785
1260use Fcntl; 1786use Fcntl;
1261use Coro::AIO; 1787use Coro::AIO;
1262 1788
1789use overload
1790 '""' => \&as_string,
1791 fallback => 1;
1792
1263our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1265 1795
1266sub generate_random_map { 1796sub generate_random_map {
1267 my ($path, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268 1800
1269 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1270 cf::map::_create_random_map 1802 $self->_create_random_map (
1271 $path,
1272 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1274 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1276 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1277 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1810 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1811 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1812 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282 (cf::region::find $rmp->{region}) 1813 (cf::region::find $rmp->{region}), $rmp->{custom}
1814 )
1283} 1815}
1284 1816
1285# and all this just because we cannot iterate over 1817=item cf::map->register ($regex, $prio)
1286# all maps in C++...
1287sub change_all_map_light {
1288 my ($change) = @_;
1289 1818
1290 $_->change_map_light ($change) 1819Register a handler for the map path matching the given regex at the
1291 for grep $_->outdoor, values %cf::MAP; 1820givne priority (higher is better, built-in handlers have priority 0, the
1292} 1821default).
1293 1822
1294sub load_map_header($) { 1823=cut
1824
1825sub register {
1826 my (undef, $regex, $prio) = @_;
1827 my $pkg = caller;
1828
1829 no strict;
1830 push @{"$pkg\::ISA"}, __PACKAGE__;
1831
1832 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1833}
1834
1835# also paths starting with '/'
1836$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1837
1838sub thawer_merge {
1839 my ($self, $merge) = @_;
1840
1841 # we have to keep some variables in memory intact
1842 local $self->{path};
1843 local $self->{load_path};
1844
1845 $self->SUPER::thawer_merge ($merge);
1846}
1847
1848sub normalise {
1295 my ($path) = @_; 1849 my ($path, $base) = @_;
1850
1851 $path = "$path"; # make sure its a string
1852
1853 $path =~ s/\.map$//;
1854
1855 # map plan:
1856 #
1857 # /! non-realised random map exit (special hack!)
1858 # {... are special paths that are not being touched
1859 # ?xxx/... are special absolute paths
1860 # ?random/... random maps
1861 # /... normal maps
1862 # ~user/... per-player map of a specific user
1863
1864 $path =~ s/$PATH_SEP/\//go;
1865
1866 # treat it as relative path if it starts with
1867 # something that looks reasonable
1868 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1869 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1870
1871 $base =~ s{[^/]+/?$}{};
1872 $path = "$base/$path";
1873 }
1874
1875 for ($path) {
1876 redo if s{//}{/};
1877 redo if s{/\.?/}{/};
1878 redo if s{/[^/]+/\.\./}{/};
1879 }
1880
1881 $path
1882}
1883
1884sub new_from_path {
1885 my (undef, $path, $base) = @_;
1886
1887 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1888
1889 $path = normalise $path, $base;
1890
1891 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1892 if ($path =~ $EXT_MAP{$pkg}[1]) {
1893 my $self = bless cf::map::new, $pkg;
1894 $self->{path} = $path; $self->path ($path);
1895 $self->init; # pass $1 etc.
1896 return $self;
1897 }
1898 }
1899
1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1901 ()
1902}
1903
1904sub init {
1905 my ($self) = @_;
1906
1907 $self
1908}
1909
1910sub as_string {
1911 my ($self) = @_;
1912
1913 "$self->{path}"
1914}
1915
1916# the displayed name, this is a one way mapping
1917sub visible_name {
1918 &as_string
1919}
1920
1921# the original (read-only) location
1922sub load_path {
1923 my ($self) = @_;
1924
1925 "$MAPDIR/$self->{path}.map"
1926}
1927
1928# the temporary/swap location
1929sub save_path {
1930 my ($self) = @_;
1931
1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933 "$TMPDIR/$path.map"
1934}
1935
1936# the unique path, undef == no special unique path
1937sub uniq_path {
1938 my ($self) = @_;
1939
1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1941 "$UNIQUEDIR/$path"
1942}
1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1952sub unlink_save {
1953 my ($self) = @_;
1954
1955 utf8::encode (my $save = $self->save_path);
1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1958}
1959
1960sub load_header_from($) {
1961 my ($self, $path) = @_;
1296 1962
1297 utf8::encode $path; 1963 utf8::encode $path;
1298 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1299 or return; 1965 or return;
1300 1966
1301 my $map = cf::map::new 1967 $self->_load_header ($f)
1302 or return; 1968 or return;
1303 1969
1304 # for better error messages only, will be overwritten later 1970 local $MAP_LOADING{$self->{path}} = $self;
1305 $map->path ($path); 1971 $f->resolve_delayed_derefs;
1306 1972
1307 $map->load_header ($path) 1973 $self->{load_path} = $path;
1974
1975 1
1976}
1977
1978sub load_header_orig {
1979 my ($self) = @_;
1980
1981 $self->load_header_from ($self->load_path)
1982}
1983
1984sub load_header_temp {
1985 my ($self) = @_;
1986
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 $self->instantiate;
2007}
2008
2009sub load_header {
2010 my ($self) = @_;
2011
2012 if ($self->load_header_temp) {
2013 $self->prepare_temp;
2014 } else {
2015 $self->load_header_orig
1308 or return; 2016 or return;
2017 $self->prepare_orig;
2018 }
1309 2019
1310 $map->{load_path} = $path; 2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
1311 2022
1312 $map 2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
2025
2026 1
1313} 2027}
1314 2028
1315sub find; 2029sub find;
1316sub find { 2030sub find {
1317 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1318 2032
1319 #warn "find<$path,$origin>\n";#d#
1320
1321 $path = new cf::path $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1322 my $key = $path->as_string;
1323 2034
1324 cf::lock_wait "map_find:$key"; 2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325
1326 $cf::MAP{$key} || do {
1327 my $guard = cf::lock_acquire "map_find:$key"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1328 2037
1329 # do it the slow way 2038 $cf::MAP{$path} || do {
1330 my $map = $path->load_temp; 2039 my $map = new_from_path cf::map $path
1331
1332 Coro::cede;
1333
1334 if ($map) {
1335 $map->last_access ((delete $map->{last_access})
1336 || $cf::RUNTIME); #d#
1337 # safety
1338 $map->{instantiate_time} = $cf::RUNTIME
1339 if $map->{instantiate_time} > $cf::RUNTIME;
1340 } else {
1341 $map = $path->load_orig
1342 or return; 2040 or return;
1343 2041
1344 $map->{load_original} = 1;
1345 $map->{instantiate_time} = $cf::RUNTIME;
1346 $map->last_access ($cf::RUNTIME);
1347 $map->instantiate;
1348
1349 # per-player maps become, after loading, normal maps
1350 $map->per_player (0) if $path->{user_rel};
1351 }
1352
1353 $map->path ($key);
1354 $map->{path} = $path;
1355 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1356 2043
1357 Coro::cede; 2044 $map->load_header
2045 or return;
1358 2046
1359 if ($map->should_reset) { 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously
2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1360 $map->reset; 2052 $map->reset;
1361 undef $guard;
1362 $map = find $path 2053 return find $path;
1363 or return;
1364 } 2054 }
1365 2055
1366 $cf::MAP{$key} = $map 2056 $cf::MAP{$path} = $map
1367 } 2057 }
1368} 2058}
2059
2060sub pre_load { }
2061#sub post_load { } # XS
1369 2062
1370sub load { 2063sub load {
1371 my ($self) = @_; 2064 my ($self) = @_;
1372 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1373 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1374 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2071 my $guard = cf::lock_acquire "map_data:$path";
1375 2072
2073 return unless $self->valid;
1376 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1377 2075
1378 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1379 2077
1380 $self->alloc; 2078 $self->alloc;
1381 $self->load_objects ($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)
1382 or return; 2086 or return;
1383 2087
1384 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1385 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1386 2090
1387 if (my $uniq = $path->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1388 utf8::encode $uniq; 2092 utf8::encode $uniq;
1389 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1390 $self->clear_unique_items; 2095 $self->clear_unique_items;
1391 $self->load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1392 } 2099 }
1393 } 2100 }
1394 2101
1395 Coro::cede; 2102 $f->resolve_delayed_derefs;
1396 2103
2104 cf::cede_to_tick;
1397 # now do the right thing for maps 2105 # now do the right thing for maps
1398 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1399
1400 if ($self->{path}->is_style_map) {
1401 $self->{deny_save} = 1;
1402 $self->{deny_reset} = 1;
1403 } else {
1404 $self->fix_auto_apply;
1405 $self->decay_objects;
1406 $self->update_buttons;
1407 $self->set_darkness_map;
1408 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1409 unless $self->difficulty; 2108 unless $self->difficulty;
2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
1410 $self->activate; 2116 $self->activate;
1411 } 2117 }
1412 2118
1413 Coro::cede; 2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
1414 2121
1415 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
2123 }
2124
2125 $self->post_load;
2126}
2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
2131sub customise_for {
2132 my ($self, $ob) = @_;
2133
2134 return find "~" . $ob->name . "/" . $self->{path}
2135 if $self->per_player;
2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
2140 $self
1416} 2141}
1417 2142
1418# find and load all maps in the 3x3 area around a map 2143# find and load all maps in the 3x3 area around a map
1419sub load_diag { 2144sub load_neighbours {
1420 my ($map) = @_; 2145 my ($map) = @_;
1421 2146
1422 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1423 2148
1424 for (0 .. 3) { 2149 for (0 .. 3) {
1425 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1426 or next; 2151 or next;
1427 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1428 or next; 2153 or next;
1429 $neigh->load; 2154 $neigh->load;
1430 2155
2156 push @neigh,
1431 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1432 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1433 } 2159 }
1434 2160
1435 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1436 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1437 or next; 2164 or next;
1438 $neigh->load; 2165 $neigh->load;
1439 } 2166 }
1440} 2167}
1441 2168
… …
1446} 2173}
1447 2174
1448sub do_load_sync { 2175sub do_load_sync {
1449 my ($map) = @_; 2176 my ($map) = @_;
1450 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1451 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1452} 2182}
1453 2183
1454our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
2185our $MAP_PREFETCHER = undef;
2186
2187sub find_async {
2188 my ($path, $origin, $load) = @_;
2189
2190 $path = normalise $path, $origin && $origin->{path};
2191
2192 if (my $map = $cf::MAP{$path}) {
2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2194 }
2195
2196 $MAP_PREFETCH{$path} |= $load;
2197
1455our $MAP_PREFETCHER = Coro::async { 2198 $MAP_PREFETCHER ||= cf::async {
1456 while () { 2199 $Coro::current->{desc} = "map prefetcher";
2200
1457 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1458 my $key = each %MAP_PREFETCH 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1459 or next; 2203 if (my $map = find $k) {
2204 $map->load if $v;
2205 }
2206
1460 my $path = delete $MAP_PREFETCH{$key}; 2207 delete $MAP_PREFETCH{$k};
1461
1462 my $map = find $path
1463 or next;
1464 $map->load;
1465 } 2208 }
1466 Coro::schedule; 2209 }
2210 undef $MAP_PREFETCHER;
1467 } 2211 };
1468};
1469
1470sub find_async {
1471 my ($path, $origin) = @_;
1472
1473 $path = new cf::path $path, $origin && $origin->path;
1474 my $key = $path->as_string;
1475
1476 if (my $map = $cf::MAP{$key}) {
1477 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478 }
1479
1480 $MAP_PREFETCH{$key} = $path;
1481 $MAP_PREFETCHER->ready; 2212 $MAP_PREFETCHER->prio (6);
1482 2213
1483 () 2214 ()
1484} 2215}
1485 2216
1486sub save { 2217sub save {
1487 my ($self) = @_; 2218 my ($self) = @_;
1488 2219
1489 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1490 2221
1491 $self->{last_save} = $cf::RUNTIME; 2222 $self->{last_save} = $cf::RUNTIME;
1492 2223
1493 return unless $self->dirty; 2224 return unless $self->dirty;
1494 2225
1495 my $save = $self->{path}->save_path; utf8::encode $save; 2226 my $save = $self->save_path; utf8::encode $save;
1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2227 my $uniq = $self->uniq_path; utf8::encode $uniq;
1497 2228
1498 $self->{load_path} = $save; 2229 $self->{load_path} = $save;
1499 2230
1500 return if $self->{deny_save}; 2231 return if $self->{deny_save};
1501 2232
1502 local $self->{last_access} = $self->last_access;#d# 2233 local $self->{last_access} = $self->last_access;#d#
1503 2234
1504 cf::async { 2235 cf::async {
2236 $Coro::current->{desc} = "map player save";
1505 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
1506 }; 2238 };
1507 2239
2240 cf::get_slot 0.02;
2241
1508 if ($uniq) { 2242 if ($uniq) {
1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510 $self->save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1511 } else { 2245 } else {
1512 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513 } 2247 }
1514} 2248}
1515 2249
1516sub swap_out { 2250sub swap_out {
1517 my ($self) = @_; 2251 my ($self) = @_;
1518 2252
1519 # save first because save cedes 2253 # save first because save cedes
1520 $self->save; 2254 $self->save;
1521 2255
1522 my $lock = cf::lock_acquire "map_data:" . $self->path; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
1523 2257
1524 return if $self->players; 2258 return if $self->players;
1525 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
1526 return if $self->{deny_save}; 2260 return if $self->{deny_save};
1527 2261
2262 $self->in_memory (cf::MAP_SWAPPED);
2263
2264 $self->deactivate;
2265 $_->clear_links_to ($self) for values %cf::MAP;
1528 $self->clear; 2266 $self->clear;
1529 $self->in_memory (cf::MAP_SWAPPED);
1530} 2267}
1531 2268
1532sub reset_at { 2269sub reset_at {
1533 my ($self) = @_; 2270 my ($self) = @_;
1534 2271
1535 # TODO: safety, remove and allow resettable per-player maps 2272 # TODO: safety, remove and allow resettable per-player maps
1536 return 1e99 if $self->{path}{user_rel};
1537 return 1e99 if $self->{deny_reset}; 2273 return 1e99 if $self->{deny_reset};
1538 2274
1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2275 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2276 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541 2277
… …
1546 my ($self) = @_; 2282 my ($self) = @_;
1547 2283
1548 $self->reset_at <= $cf::RUNTIME 2284 $self->reset_at <= $cf::RUNTIME
1549} 2285}
1550 2286
1551sub unlink_save {
1552 my ($self) = @_;
1553
1554 utf8::encode (my $save = $self->{path}->save_path);
1555 aioreq_pri 3; IO::AIO::aio_unlink $save;
1556 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557}
1558
1559sub rename {
1560 my ($self, $new_path) = @_;
1561
1562 $self->unlink_save;
1563
1564 delete $cf::MAP{$self->path};
1565 $self->{path} = new cf::path $new_path;
1566 $self->path ($self->{path}->as_string);
1567 $cf::MAP{$self->path} = $self;
1568
1569 $self->save;
1570}
1571
1572sub reset { 2287sub reset {
1573 my ($self) = @_; 2288 my ($self) = @_;
1574 2289
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2291
1577 return if $self->players; 2292 return if $self->players;
1578 return if $self->{path}{user_rel};#d#
1579 2293
1580 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 }
1581 2305
1582 delete $cf::MAP{$self->path}; 2306 delete $cf::MAP{$self->path};
1583 2307
2308 $self->deactivate;
1584 $_->clear_links_to ($self) for values %cf::MAP; 2309 $_->clear_links_to ($self) for values %cf::MAP;
2310 $self->clear;
1585 2311
1586 $self->unlink_save; 2312 $self->unlink_save;
1587 $self->destroy; 2313 $self->destroy;
1588} 2314}
1589 2315
1590my $nuke_counter = "aaaa"; 2316my $nuke_counter = "aaaa";
1591 2317
1592sub nuke { 2318sub nuke {
1593 my ($self) = @_; 2319 my ($self) = @_;
1594 2320
2321 {
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
2324 delete $cf::MAP{$self->path};
2325
2326 $self->unlink_save;
2327
2328 bless $self, "cf::map";
2329 delete $self->{deny_reset};
1595 $self->{deny_save} = 1; 2330 $self->{deny_save} = 1;
1596 $self->reset_timeout (1); 2331 $self->reset_timeout (1);
1597 $self->rename ("{nuke}/" . ($nuke_counter++)); 2332 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2333
2334 $cf::MAP{$self->path} = $self;
2335 }
2336
1598 $self->reset; # polite request, might not happen 2337 $self->reset; # polite request, might not happen
1599} 2338}
1600 2339
1601sub customise_for { 2340=item $maps = cf::map::tmp_maps
1602 my ($map, $ob) = @_;
1603 2341
1604 if ($map->per_player) { 2342Returns an arrayref with all map paths of currently instantiated and saved
1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2343maps. May block.
2344
2345=cut
2346
2347sub tmp_maps() {
1606 } 2348 [
2349 map {
2350 utf8::decode $_;
2351 /\.map$/
2352 ? normalise $_
2353 : ()
2354 } @{ aio_readdir $TMPDIR or [] }
2355 ]
2356}
1607 2357
1608 $map 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 ]
1609} 2374}
1610 2375
1611=item cf::map::unique_maps 2376=item cf::map::unique_maps
1612 2377
1613Returns an arrayref of cf::path's of all shared maps that have 2378Returns an arrayref of paths of all shared maps that have
1614instantiated unique items. May block. 2379instantiated unique items. May block.
1615 2380
1616=cut 2381=cut
1617 2382
1618sub unique_maps() { 2383sub unique_maps() {
1619 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2384 [
1620 or return; 2385 map {
1621
1622 my @paths;
1623
1624 for (@$files) {
1625 utf8::decode $_; 2386 utf8::decode $_;
1626 next if /\.pst$/; 2387 s/\.map$//; # TODO future compatibility hack
1627 next unless /^$PATH_SEP/o; 2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628 2389 ? ()
1629 push @paths, new cf::path $_; 2390 : normalise $_
2391 } @{ aio_readdir $UNIQUEDIR or [] }
1630 } 2392 ]
1631
1632 \@paths
1633} 2393}
1634 2394
1635package cf; 2395=item cf::map::static_maps
2396
2397Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2398file in the shared directory excluding F</styles> and F</editor>). May
2399block.
2400
2401=cut
2402
2403sub static_maps() {
2404 my @dirs = "";
2405 my @maps;
2406
2407 while (@dirs) {
2408 my $dir = shift @dirs;
2409
2410 next if $dir eq "/styles" || $dir eq "/editor";
2411
2412 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2413 or return;
2414
2415 for (@$files) {
2416 s/\.map$// or next;
2417 utf8::decode $_;
2418 push @maps, "$dir/$_";
2419 }
2420
2421 push @dirs, map "$dir/$_", @$dirs;
2422 }
2423
2424 \@maps
2425}
1636 2426
1637=back 2427=back
1638 2428
1639=head3 cf::object 2429=head3 cf::object
1640 2430
… …
1644 2434
1645=over 4 2435=over 4
1646 2436
1647=item $ob->inv_recursive 2437=item $ob->inv_recursive
1648 2438
1649Returns 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.
1650 2441
1651=cut 2442=cut
1652 2443
1653sub inv_recursive_; 2444sub inv_recursive_;
1654sub inv_recursive_ { 2445sub inv_recursive_ {
… …
1657 2448
1658sub inv_recursive { 2449sub inv_recursive {
1659 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
1660} 2451}
1661 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
1662package cf; 2481package cf;
1663 2482
1664=back 2483=back
1665 2484
1666=head3 cf::object::player 2485=head3 cf::object::player
… …
1672Sends 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>
1673can 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
1674dialogue with the given NPC character. 2493dialogue with the given NPC character.
1675 2494
1676=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};
1677 2510
1678# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
1679# with dialog boxes. 2512# with dialog boxes.
1680#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
1681sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
… …
1683 2516
1684 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2517 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685 2518
1686 if ($self->{record_replies}) { 2519 if ($self->{record_replies}) {
1687 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2520 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2521
1688 } 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 {
1689 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
1690 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2532 }
1691 } 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 (@_);
1692} 2544}
1693 2545
1694=item $player_object->may ("access") 2546=item $player_object->may ("access")
1695 2547
1696Returns wether the given player is authorized to access resource "access" 2548Returns wether the given player is authorized to access resource "access"
… …
1709 2561
1710=item $player_object->enter_link 2562=item $player_object->enter_link
1711 2563
1712Freezes 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}>).
1713 2565
1714The player should be reaosnably safe there for short amounts of time. You 2566The player should be reasonably safe there for short amounts of time (e.g.
1715I<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.
2570
2571Will never block.
1716 2572
1717=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
1718 2574
1719Moves the player out of the specila link map onto the given map. If the 2575Moves the player out of the special C<{link}> map onto the specified
1720map is not valid (or omitted), the player will be moved back to the 2576map. If the map is not valid (or omitted), the player will be moved back
1721location he/she was before the call to C<enter_link>, or, if that fails, 2577to the location he/she was before the call to C<enter_link>, or, if that
1722to the emergency map position. 2578fails, to the emergency map position.
1723 2579
1724Might block. 2580Might block.
1725 2581
1726=cut 2582=cut
2583
2584sub link_map {
2585 unless ($LINK_MAP) {
2586 $LINK_MAP = cf::map::find "{link}"
2587 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2588 $LINK_MAP->load;
2589 }
2590
2591 $LINK_MAP
2592}
1727 2593
1728sub cf::object::player::enter_link { 2594sub cf::object::player::enter_link {
1729 my ($self) = @_; 2595 my ($self) = @_;
1730 2596
1731 $self->deactivate_recursive; 2597 $self->deactivate_recursive;
1732 2598
1733 return if $self->map == $LINK_MAP; 2599 return if UNIVERSAL::isa $self->map, "ext::map_link";
1734 2600
1735 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2601 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736 if $self->map; 2602 if $self->map && $self->map->{path} ne "{link}";
1737 2603
1738 $self->enter_map ($LINK_MAP, 20, 20); 2604 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1739} 2605}
1740 2606
1741sub cf::object::player::leave_link { 2607sub cf::object::player::leave_link {
1742 my ($self, $map, $x, $y) = @_; 2608 my ($self, $map, $x, $y) = @_;
2609
2610 return unless $self->contr->active;
1743 2611
1744 my $link_pos = delete $self->{_link_pos}; 2612 my $link_pos = delete $self->{_link_pos};
1745 2613
1746 unless ($map) { 2614 unless ($map) {
1747 # restore original map position 2615 # restore original map position
… …
1758 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
1759 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
1760 2628
1761 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
1762 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
1763 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
1764 2632
1765 $map->load; 2633 $map->load;
1766 $map->load_diag; 2634 $map->load_neighbours;
1767 2635
1768 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
1769 $self->activate_recursive; 2642 $self->activate_recursive;
1770 $self->enter_map ($map, $x, $y);
1771} 2643}
1772 2644
1773cf::player->attach ( 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774 on_logout => sub {
1775 my ($pl) = @_;
1776 2646
1777 # abort map switching before logout 2647Moves the player to the given map-path and coordinates by first freezing
1778 if ($pl->ob->{_link_pos}) { 2648her, loading and preparing them map, calling the provided $check callback
1779 cf::sync_job { 2649that has to return the map if sucecssful, and then unfreezes the player on
1780 $pl->ob->leave_link 2650the new (success) or old (failed) map position. In either case, $done will
1781 }; 2651be called at the end of this process.
1782 }
1783 },
1784 on_login => sub {
1785 my ($pl) = @_;
1786 2652
1787 # try to abort aborted map switching on player login :) 2653Note that $check will be called with a potentially non-loaded map, so if
1788 # should happen only on crashes 2654it needs a loaded map it has to call C<< ->load >>.
1789 if ($pl->ob->{_link_pos}) {
1790 $pl->ob->enter_link;
1791 (async {
1792 # we need this sleep as the login has a concurrent enter_exit running
1793 # and this sleep increases chances of the player not ending up in scorn
1794 $pl->ob->reply (undef,
1795 "There was an internal problem at your last logout, "
1796 . "the server will try to bring you to your intended destination in a second.",
1797 cf::NDI_RED);
1798 Coro::Timer::sleep 1;
1799 $pl->ob->leave_link;
1800 })->prio (2);
1801 }
1802 },
1803);
1804 2655
1805=item $player_object->goto ($path, $x, $y)
1806
1807=cut 2656=cut
2657
2658our $GOTOGEN;
1808 2659
1809sub cf::object::player::goto { 2660sub cf::object::player::goto {
1810 my ($self, $path, $x, $y) = @_; 2661 my ($self, $path, $x, $y, $check, $done) = @_;
1811 2662
1812 $path = new cf::path $path; 2663 # do generation counting so two concurrent goto's will be executed in-order
2664 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813 2665
1814 $self->enter_link; 2666 $self->enter_link;
1815 2667
1816 (async { 2668 (async {
1817 my $map = cf::map::find $path->as_string; 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) {
1818 $map = $map->customise_for ($self) if $map; 2694 $map = $map->customise_for ($self);
1819 2695 $map = $check->($map) if $check && $map;
1820# warn "entering ", $map->path, " at ($x, $y)\n" 2696 } else {
1821# if $map;
1822
1823 $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 }
1824 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};
1825 $self->leave_link ($map, $x, $y); 2710 $self->leave_link ($map, $x, $y);
2711 }
2712
2713 $done->() if $done;
1826 })->prio (1); 2714 })->prio (1);
1827} 2715}
1828 2716
1829=item $player_object->enter_exit ($exit_object) 2717=item $player_object->enter_exit ($exit_object)
1830 2718
… …
1832 2720
1833sub parse_random_map_params { 2721sub parse_random_map_params {
1834 my ($spec) = @_; 2722 my ($spec) = @_;
1835 2723
1836 my $rmp = { # defaults 2724 my $rmp = { # defaults
1837 xsize => 10, 2725 xsize => (cf::rndm 15, 40),
1838 ysize => 10, 2726 ysize => (cf::rndm 15, 40),
2727 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2728 #layout => string,
1839 }; 2729 };
1840 2730
1841 for (split /\n/, $spec) { 2731 for (split /\n/, $spec) {
1842 my ($k, $v) = split /\s+/, $_, 2; 2732 my ($k, $v) = split /\s+/, $_, 2;
1843 2733
… …
1855 # that depends on the exit object 2745 # that depends on the exit object
1856 2746
1857 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
1858 2748
1859 if ($exit->map) { 2749 if ($exit->map) {
1860 $rmp->{region} = $exit->map->region_name; 2750 $rmp->{region} = $exit->region->name;
1861 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
1862 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
1863 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
1864 } 2756 }
1865 2757
1866 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
1867 2759
1868 my $data = cf::to_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
2762 my $meta = "$RANDOMDIR/$md5.meta";
1870 2763
1871 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2764 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872 aio_write $fh, 0, (length $data), $data, 0; 2765 aio_write $fh, 0, (length $data), $data, 0;
2766 undef $fh;
2767 aio_rename "$meta~", $meta;
1873 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
1874 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
1875 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
1876 } 2775 }
1877} 2776}
1878 2777
1879sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
1880 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
… …
1882 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
1883 2782
1884 $self->enter_link; 2783 $self->enter_link;
1885 2784
1886 (async { 2785 (async {
1887 $self->deactivate_recursive; # just to be sure 2786 $Coro::current->{desc} = "enter_exit";
2787
1888 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
1889 prepare_random_map $exit 2795 prepare_random_map $exit
1890 if $exit->slaying eq "/!"; 2796 if $exit->slaying eq "/!";
2797 }
1891 2798
1892 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2799 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
1894 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
1895 1; 2809 1
1896 }) { 2810 }) {
1897 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
1898 . "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. "
1899 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
1900 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
1901 2815
1902 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
1903 $self->leave_link; 2817 $self->leave_link;
1904 } 2818 }
1905 })->prio (1); 2819 })->prio (1);
… …
1918 2832
1919sub cf::client::send_drawinfo { 2833sub cf::client::send_drawinfo {
1920 my ($self, $text, $flags) = @_; 2834 my ($self, $text, $flags) = @_;
1921 2835
1922 utf8::encode $text; 2836 utf8::encode $text;
1923 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924} 2838}
1925 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}
1926 3061
1927=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
1928 3063
1929Queues a query to the client, calling the given callback with 3064Queues a query to the client, calling the given callback with
1930the 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>,
1931C<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>.
1932 3067
1933Queries 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
1934reliable at some point in the future. 3069become reliable at some point in the future.
1935 3070
1936=cut 3071=cut
1937 3072
1938sub cf::client::query { 3073sub cf::client::query {
1939 my ($self, $flags, $text, $cb) = @_; 3074 my ($self, $flags, $text, $cb) = @_;
… …
1947 utf8::encode $text; 3082 utf8::encode $text;
1948 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3083 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949 3084
1950 $self->send_packet ($self->{query_queue}[0][0]) 3085 $self->send_packet ($self->{query_queue}[0][0])
1951 if @{ $self->{query_queue} } == 1; 3086 if @{ $self->{query_queue} } == 1;
3087
3088 1
1952} 3089}
1953 3090
1954cf::client->attach ( 3091cf::client->attach (
3092 on_connect => sub {
3093 my ($ns) = @_;
3094
3095 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3096 },
1955 on_reply => sub { 3097 on_reply => sub {
1956 my ($ns, $msg) = @_; 3098 my ($ns, $msg) = @_;
1957 3099
1958 # this weird shuffling is so that direct followup queries 3100 # this weird shuffling is so that direct followup queries
1959 # get handled first 3101 # get handled first
1960 my $queue = delete $ns->{query_queue} 3102 my $queue = delete $ns->{query_queue}
1961 or return; # be conservative, not sure how that can happen, but we saw a crash here 3103 or return; # be conservative, not sure how that can happen, but we saw a crash here
1962 3104
1963 (shift @$queue)->[1]->($msg); 3105 (shift @$queue)->[1]->($msg);
3106 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964 3107
1965 push @{ $ns->{query_queue} }, @$queue; 3108 push @{ $ns->{query_queue} }, @$queue;
1966 3109
1967 if (@{ $ns->{query_queue} } == @$queue) { 3110 if (@{ $ns->{query_queue} } == @$queue) {
1968 if (@$queue) { 3111 if (@$queue) {
… …
1970 } else { 3113 } else {
1971 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3114 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972 } 3115 }
1973 } 3116 }
1974 }, 3117 },
3118 on_exticmd => sub {
3119 my ($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 },
1975); 3144);
1976 3145
1977=item $client->async (\&cb) 3146=item $client->async (\&cb)
1978 3147
1979Create a new coroutine, running the specified callback. The coroutine will 3148Create a new coroutine, running the specified callback. The coroutine will
… …
1995 3164
1996 $coro 3165 $coro
1997} 3166}
1998 3167
1999cf::client->attach ( 3168cf::client->attach (
2000 on_destroy => sub { 3169 on_client_destroy => sub {
2001 my ($ns) = @_; 3170 my ($ns) = @_;
2002 3171
2003 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2004 }, 3173 },
2005); 3174);
… …
2020our $safe = new Safe "safe"; 3189our $safe = new Safe "safe";
2021our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
2022 3191
2023$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
2024 3193
2025$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3194$safe->permit_only (Opcode::opset qw(
3195 :base_core :base_mem :base_orig :base_math :base_loop
3196 grepstart grepwhile mapstart mapwhile
3197 sort time
3198));
2026 3199
2027# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
2028 3201
2029=pod 3202=pod
2030 3203
2031The following fucntions and emthods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
2032 3205
2033 cf::object contr pay_amount pay_player map 3206 cf::object
3207 contr pay_amount pay_player map x y force_find force_add destroy
3208 insert remove name archname title slaying race decrease split
3209 value
3210
2034 cf::object::player player 3211 cf::object::player
2035 cf::player peaceful 3212 player
2036 cf::map trigger 3213
3214 cf::player
3215 peaceful
3216
3217 cf::map
3218 trigger
2037 3219
2038=cut 3220=cut
2039 3221
2040for ( 3222for (
2041 ["cf::object" => qw(contr pay_amount pay_player map)], 3223 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3224 insert remove inv nrof name archname title slaying race
3225 decrease split destroy change_exp value msg lore send_msg)],
2042 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
2043 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
2044 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
2045) { 3229) {
2046 no strict 'refs'; 3230 no strict 'refs';
2047 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
2048 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2066 3250
2067 my $qcode = $code; 3251 my $qcode = $code;
2068 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2069 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
2070 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
2071 local $_; 3258 local $_;
2072 local @safe::cf::_safe_eval_args = values %vars;
2073 3259
2074 my $eval = 3260 my $eval =
2075 "do {\n" 3261 "do {\n"
2076 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2077 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
2078 . $code 3264 . $code
2079 . "\n}" 3265 . "\n}"
2080 ; 3266 ;
2081 3267
3268 if ($CFG{safe_eval}) {
2082 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
2083 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2084 sub_generation_inc; 3272 sub_generation_inc;
3273 } else {
3274 local @cf::_safe_eval_args = values %vars;
3275 @res = wantarray ? eval eval : scalar eval $eval;
3276 }
2085 3277
2086 if ($@) { 3278 if ($@) {
2087 warn "$@"; 3279 warn "$@";
2088 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
2089 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
… …
2108=cut 3300=cut
2109 3301
2110sub register_script_function { 3302sub register_script_function {
2111 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
2112 3304
2113 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
2114 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
2115} 3307}
2116 3308
2117=back 3309=back
2118 3310
2119=cut 3311=cut
2120 3312
2121############################################################################# 3313#############################################################################
3314# the server's init and main functions
2122 3315
2123=head2 EXTENSION DATABASE SUPPORT 3316sub load_facedata($) {
3317 my ($path) = @_;
2124 3318
2125Crossfire maintains a very simple database for extension use. It can 3319 # HACK to clear player env face cache, we need some signal framework
2126currently store anything that can be serialised using Storable, which 3320 # for this (global event?)
2127excludes objects. 3321 %ext::player_env::MUSIC_FACE_CACHE = ();
2128 3322
2129The parameter C<$family> should best start with the name of the extension 3323 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130using it, it should be unique.
2131 3324
2132=over 4 3325 warn "loading facedata from $path\n";
2133 3326
2134=item $hashref = cf::db_get $family 3327 my $facedata;
3328 0 < aio_load $path, $facedata
3329 or die "$path: $!";
2135 3330
2136Return a hashref for use by the extension C<$family>, which can be 3331 $facedata = Coro::Storable::thaw $facedata;
2137modified. After modifications, you have to call C<cf::db_dirty> or
2138C<cf::db_sync>.
2139 3332
2140=item $value = cf::db_get $family => $key 3333 $facedata->{version} == 2
3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
2141 3335
2142Returns a single value from the database 3336 # patch in the exptable
2143 3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2144=item cf::db_put $family => $hashref 3338 $facedata->{resource}{"res/exp_table"} = {
2145 3339 type => FT_RSRC,
2146Stores the given family hashref into the database. Updates are delayed, if 3340 data => $exp_table,
2147you want the data to be synced to disk immediately, use C<cf::db_sync>. 3341 hash => (Digest::MD5::md5 $exp_table),
2148
2149=item cf::db_put $family => $key => $value
2150
2151Stores the given C<$value> in the family hash. Updates are delayed, if you
2152want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154=item cf::db_dirty
2155
2156Marks the database as dirty, to be updated at a later time.
2157
2158=item cf::db_sync
2159
2160Immediately write the database to disk I<if it is dirty>.
2161
2162=cut
2163
2164our $DB;
2165
2166{
2167 my $path = cf::localdir . "/database.pst";
2168
2169 sub db_load() {
2170 $DB = stat $path ? Storable::retrieve $path : { };
2171 }
2172
2173 my $pid;
2174
2175 sub db_save() {
2176 waitpid $pid, 0 if $pid;
2177 if (0 == ($pid = fork)) {
2178 $DB->{_meta}{version} = 1;
2179 Storable::nstore $DB, "$path~";
2180 rename "$path~", $path;
2181 cf::_exit 0 if defined $pid;
2182 }
2183 }
2184
2185 my $dirty;
2186
2187 sub db_sync() {
2188 db_save if $dirty;
2189 undef $dirty;
2190 }
2191
2192 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193 db_sync;
2194 }); 3342 };
3343 cf::cede_to_tick;
2195 3344
2196 sub db_dirty() {
2197 $dirty = 1;
2198 $idle->start;
2199 } 3345 {
3346 my $faces = $facedata->{faceinfo};
2200 3347
2201 sub db_get($;$) { 3348 while (my ($face, $info) = each %$faces) {
2202 @_ >= 2 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203 ? $DB->{$_[0]}{$_[1]}
2204 : ($DB->{$_[0]} ||= { })
2205 }
2206 3350
2207 sub db_put($$;$) { 3351 cf::face::set_visibility $idx, $info->{visibility};
2208 if (@_ >= 3) { 3352 cf::face::set_magicmap $idx, $info->{magicmap};
2209 $DB->{$_[0]}{$_[1]} = $_[2]; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210 } else { 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2211 $DB->{$_[0]} = $_[1];
2212 }
2213 db_dirty;
2214 }
2215 3355
2216 cf::global->attach ( 3356 cf::cede_to_tick;
2217 prio => 10000,
2218 on_cleanup => sub {
2219 db_sync;
2220 }, 3357 }
2221 );
2222}
2223 3358
2224############################################################################# 3359 while (my ($face, $info) = each %$faces) {
2225# the server's main() 3360 next unless $info->{smooth};
2226 3361
2227sub 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
2228 open my $fh, "<:utf8", cf::confdir . "/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
2229 or return; 3491 or return;
2230 3492
2231 local $/; 3493 local $/;
2232 *CFG = YAML::Syck::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
2233 3495
2234 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235 3497
2236 $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};
2237 $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};
… …
2241 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2242 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
2243 }; 3505 };
2244 warn $@ if $@; 3506 warn $@ if $@;
2245 } 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;
2246} 3538}
2247 3539
2248sub 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 cf::init_experience;
3549 cf::init_anim;
3550 cf::init_attackmess;
3551 cf::init_dynamic;
3552
3553 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3554
2249 # we must not ever block the main coroutine 3555 # we must not ever block the main coroutine
2250 local $Coro::idle = sub { 3556 local $Coro::idle = sub {
2251 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3557 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252 async { Event::one_event }; 3558 (async {
3559 $Coro::current->{desc} = "IDLE BUG HANDLER";
3560 EV::loop EV::LOOP_ONESHOT;
3561 })->prio (Coro::PRIO_MAX);
2253 }; 3562 };
2254 3563
2255 cfg_load; 3564 evthread_start IO::AIO::poll_fileno;
2256 db_load; 3565
3566 cf::sync_job {
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
2257 load_extensions; 3582 load_extensions;
2258 Event::loop; 3583
3584 utime time, time, $RUNTIMEFILE;
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 main_loop;
2259} 3594}
2260 3595
2261############################################################################# 3596#############################################################################
2262# initialisation and cleanup 3597# initialisation and cleanup
2263 3598
2264# install some emergency cleanup handlers 3599# install some emergency cleanup handlers
2265BEGIN { 3600BEGIN {
3601 our %SIGWATCHER = ();
2266 for my $signal (qw(INT HUP TERM)) { 3602 for my $signal (qw(INT HUP TERM)) {
2267 Event->signal ( 3603 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2268 data => WF_AUTOCANCEL,
2269 signal => $signal,
2270 cb => sub {
2271 cf::cleanup "SIG$signal"; 3604 cf::cleanup "SIG$signal";
2272 },
2273 ); 3605 };
3606 }
3607}
3608
3609sub write_runtime_sync {
3610 my $t0 = AE::time;
3611
3612 # first touch the runtime file to show we are still running:
3613 # the fsync below can take a very very long time.
3614
3615 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3616
3617 my $guard = cf::lock_acquire "write_runtime";
3618
3619 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3620 or return;
3621
3622 my $value = $cf::RUNTIME + 90 + 10;
3623 # 10 is the runtime save interval, for a monotonic clock
3624 # 60 allows for the watchdog to kill the server.
3625
3626 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3627 and return;
3628
3629 # always fsync - this file is important
3630 aio_fsync $fh
3631 and return;
3632
3633 # touch it again to show we are up-to-date
3634 aio_utime $fh, undef, undef;
3635
3636 close $fh
3637 or return;
3638
3639 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3640 and return;
3641
3642 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3643
2274 } 3644 1
3645}
3646
3647our $uuid_lock;
3648our $uuid_skip;
3649
3650sub write_uuid_sync($) {
3651 $uuid_skip ||= $_[0];
3652
3653 return if $uuid_lock;
3654 local $uuid_lock = 1;
3655
3656 my $uuid = "$LOCALDIR/uuid";
3657
3658 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3659 or return;
3660
3661 my $value = uuid_seq uuid_cur;
3662
3663 unless ($value) {
3664 warn "cowardly refusing to write zero uuid value!\n";
3665 return;
3666 }
3667
3668 my $value = uuid_str $value + $uuid_skip;
3669 $uuid_skip = 0;
3670
3671 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3672 and return;
3673
3674 # always fsync - this file is important
3675 aio_fsync $fh
3676 and return;
3677
3678 close $fh
3679 or return;
3680
3681 aio_rename "$uuid~", $uuid
3682 and return;
3683
3684 warn "uuid file written ($value).\n";
3685
3686 1
3687
3688}
3689
3690sub write_uuid($$) {
3691 my ($skip, $sync) = @_;
3692
3693 $sync ? write_uuid_sync $skip
3694 : async { write_uuid_sync $skip };
2275} 3695}
2276 3696
2277sub emergency_save() { 3697sub emergency_save() {
2278 my $freeze_guard = cf::freeze_mainloop; 3698 my $freeze_guard = cf::freeze_mainloop;
2279 3699
2280 warn "enter emergency perl save\n"; 3700 warn "emergency_perl_save: enter\n";
2281 3701
2282 cf::sync_job { 3702 cf::sync_job {
3703 # this is a trade-off: we want to be very quick here, so
3704 # save all maps without fsync, and later call a global sync
3705 # (which in turn might be very very slow)
3706 local $USE_FSYNC = 0;
3707
2283 # use a peculiar iteration method to avoid tripping on perl 3708 # use a peculiar iteration method to avoid tripping on perl
2284 # refcount bugs in for. also avoids problems with players 3709 # refcount bugs in for. also avoids problems with players
2285 # and maps saved/Destroyed asynchronously. 3710 # and maps saved/destroyed asynchronously.
2286 warn "begin emergency player save\n"; 3711 warn "emergency_perl_save: begin player save\n";
2287 for my $login (keys %cf::PLAYER) { 3712 for my $login (keys %cf::PLAYER) {
2288 my $pl = $cf::PLAYER{$login} or next; 3713 my $pl = $cf::PLAYER{$login} or next;
2289 $pl->valid or next; 3714 $pl->valid or next;
3715 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290 $pl->save; 3716 $pl->save;
2291 } 3717 }
2292 warn "end emergency player save\n"; 3718 warn "emergency_perl_save: end player save\n";
2293 3719
2294 warn "begin emergency map save\n"; 3720 warn "emergency_perl_save: begin map save\n";
2295 for my $path (keys %cf::MAP) { 3721 for my $path (keys %cf::MAP) {
2296 my $map = $cf::MAP{$path} or next; 3722 my $map = $cf::MAP{$path} or next;
2297 $map->valid or next; 3723 $map->valid or next;
2298 $map->save; 3724 $map->save;
2299 } 3725 }
2300 warn "end emergency map save\n"; 3726 warn "emergency_perl_save: end map save\n";
3727
3728 warn "emergency_perl_save: begin database checkpoint\n";
3729 BDB::db_env_txn_checkpoint $DB_ENV;
3730 warn "emergency_perl_save: end database checkpoint\n";
3731
3732 warn "emergency_perl_save: begin write uuid\n";
3733 write_uuid_sync 1;
3734 warn "emergency_perl_save: end write uuid\n";
2301 }; 3735 };
2302 3736
3737 warn "emergency_perl_save: starting sync()\n";
3738 IO::AIO::aio_sync sub {
3739 warn "emergency_perl_save: finished sync()\n";
3740 };
3741
2303 warn "leave emergency perl save\n"; 3742 warn "emergency_perl_save: leave\n";
2304} 3743}
2305 3744
3745sub post_cleanup {
3746 my ($make_core) = @_;
3747
3748 warn Carp::longmess "post_cleanup backtrace"
3749 if $make_core;
3750
3751 my $fh = pidfile;
3752 unlink $PIDFILE if <$fh> == $$;
3753}
3754
3755# a safer delete_package, copied from Symbol
3756sub clear_package($) {
3757 my $pkg = shift;
3758
3759 # expand to full symbol table name if needed
3760 unless ($pkg =~ /^main::.*::$/) {
3761 $pkg = "main$pkg" if $pkg =~ /^::/;
3762 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3763 $pkg .= '::' unless $pkg =~ /::$/;
3764 }
3765
3766 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3767 my $stem_symtab = *{$stem}{HASH};
3768
3769 defined $stem_symtab and exists $stem_symtab->{$leaf}
3770 or return;
3771
3772 # clear all symbols
3773 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3774 for my $name (keys %$leaf_symtab) {
3775 _gv_clear *{"$pkg$name"};
3776# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3777 }
3778 warn "cleared package $pkg\n";#d#
3779}
3780
2306sub reload() { 3781sub do_reload_perl() {
2307 # can/must only be called in main 3782 # can/must only be called in main
2308 if ($Coro::current != $Coro::main) { 3783 if ($Coro::current != $Coro::main) {
2309 warn "can only reload from main coroutine\n"; 3784 warn "can only reload from main coroutine";
2310 return; 3785 return;
2311 } 3786 }
2312 3787
3788 return if $RELOAD++;
3789
3790 my $t1 = AE::time;
3791
3792 while ($RELOAD) {
2313 warn "reloading..."; 3793 warn "reloading...";
2314 3794
2315 warn "freezing server"; 3795 warn "entering sync_job";
2316 my $guard = freeze_mainloop; 3796
3797 cf::sync_job {
3798 cf::write_runtime_sync; # external watchdog should not bark
2317 cf::emergency_save; 3799 cf::emergency_save;
3800 cf::write_runtime_sync; # external watchdog should not bark
2318 3801
2319 warn "sync database to disk"; 3802 warn "syncing database to disk";
2320 cf::db_sync; 3803 BDB::db_env_txn_checkpoint $DB_ENV;
2321 IO::AIO::flush;
2322 3804
2323 eval {
2324 # if anything goes wrong in here, we should simply crash as we already saved 3805 # if anything goes wrong in here, we should simply crash as we already saved
2325 3806
2326 warn "cancel all watchers"; 3807 warn "flushing outstanding aio requests";
2327 for (Event::all_watchers) { 3808 while (IO::AIO::nreqs || BDB::nreqs) {
2328 $_->cancel if $_->data & WF_AUTOCANCEL; 3809 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329 }
2330
2331 warn "cancel all extension coros";
2332 $_->cancel for values %EXT_CORO;
2333 %EXT_CORO = ();
2334
2335 warn "remove commands";
2336 %COMMAND = ();
2337
2338 warn "remove ext commands";
2339 %EXTCMD = ();
2340
2341 warn "unload/nuke all extensions";
2342 for my $pkg (@EXTS) {
2343 warn "... unloading $pkg";
2344
2345 if (my $cb = $pkg->can ("unload")) {
2346 eval {
2347 $cb->($pkg);
2348 1
2349 } or warn "$pkg unloaded, but with errors: $@";
2350 } 3810 }
2351 3811
3812 warn "cancelling all extension coros";
3813 $_->cancel for values %EXT_CORO;
3814 %EXT_CORO = ();
3815
3816 warn "removing commands";
3817 %COMMAND = ();
3818
3819 warn "removing ext/exti commands";
3820 %EXTCMD = ();
3821 %EXTICMD = ();
3822
3823 warn "unloading/nuking all extensions";
3824 for my $pkg (@EXTS) {
2352 warn "... nuking $pkg"; 3825 warn "... unloading $pkg";
2353 Symbol::delete_package $pkg;
2354 }
2355 3826
2356 warn "unload all perl modules loaded from $LIBDIR";
2357 while (my ($k, $v) = each %INC) {
2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359
2360 warn "removing <$k>";
2361 delete $INC{$k};
2362
2363 $k =~ s/\.pm$//;
2364 $k =~ s/\//::/g;
2365
2366 if (my $cb = $k->can ("unload_module")) { 3827 if (my $cb = $pkg->can ("unload")) {
3828 eval {
2367 $cb->(); 3829 $cb->($pkg);
3830 1
3831 } or warn "$pkg unloaded, but with errors: $@";
3832 }
3833
3834 warn "... clearing $pkg";
3835 clear_package $pkg;
2368 } 3836 }
2369 3837
2370 Symbol::delete_package $k; 3838 warn "unloading all perl modules loaded from $LIBDIR";
3839 while (my ($k, $v) = each %INC) {
3840 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3841
3842 warn "... unloading $k";
3843 delete $INC{$k};
3844
3845 $k =~ s/\.pm$//;
3846 $k =~ s/\//::/g;
3847
3848 if (my $cb = $k->can ("unload_module")) {
3849 $cb->();
3850 }
3851
3852 clear_package $k;
2371 } 3853 }
2372 3854
2373 warn "get rid of safe::, as good as possible"; 3855 warn "getting rid of safe::, as good as possible";
2374 Symbol::delete_package "safe::$_" 3856 clear_package "safe::$_"
2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3857 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376 3858
2377 warn "unload cf.pm \"a bit\""; 3859 warn "unloading cf.pm \"a bit\"";
2378 delete $INC{"cf.pm"}; 3860 delete $INC{"cf.pm"};
3861 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379 3862
2380 # don't, removes xs symbols, too, 3863 # don't, removes xs symbols, too,
2381 # and global variables created in xs 3864 # and global variables created in xs
2382 #Symbol::delete_package __PACKAGE__; 3865 #clear_package __PACKAGE__;
2383 3866
3867 warn "unload completed, starting to reload now";
3868
2384 warn "reloading cf.pm"; 3869 warn "reloading cf.pm";
2385 require cf; 3870 require cf;
2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3871 cf::_connect_to_perl_1;
2387 3872
2388 warn "load config and database again"; 3873 warn "loading config and database again";
2389 cf::cfg_load; 3874 cf::reload_config;
2390 cf::db_load;
2391 3875
2392 warn "load extensions"; 3876 warn "loading extensions";
2393 cf::load_extensions; 3877 cf::load_extensions;
2394 3878
3879 if ($REATTACH_ON_RELOAD) {
2395 warn "reattach attachments to objects/players"; 3880 warn "reattaching attachments to objects/players";
2396 _global_reattach; 3881 _global_reattach; # objects, sockets
2397 warn "reattach attachments to maps"; 3882 warn "reattaching attachments to maps";
2398 reattach $_ for values %MAP; 3883 reattach $_ for values %MAP;
3884 warn "reattaching attachments to players";
3885 reattach $_ for values %PLAYER;
3886 }
3887
3888 warn "running post_init jobs";
3889 (pop @POST_INIT)->(1) while @POST_INIT;
3890
3891 warn "leaving sync_job";
3892
3893 1
3894 } or do {
3895 warn $@;
3896 cf::cleanup "error while reloading, exiting.";
3897 };
3898
3899 warn "reloaded";
3900 --$RELOAD;
3901 }
3902
3903 $t1 = AE::time - $t1;
3904 warn "reload completed in ${t1}s\n";
3905};
3906
3907our $RELOAD_WATCHER; # used only during reload
3908
3909sub reload_perl() {
3910 # doing reload synchronously and two reloads happen back-to-back,
3911 # coro crashes during coro_state_free->destroy here.
3912
3913 $RELOAD_WATCHER ||= cf::async {
3914 Coro::AIO::aio_wait cache_extensions;
3915
3916 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3917 do_reload_perl;
3918 undef $RELOAD_WATCHER;
3919 };
2399 }; 3920 };
2400
2401 if ($@) {
2402 warn $@;
2403 warn "error while reloading, exiting.";
2404 exit 1;
2405 }
2406
2407 warn "reloaded";
2408};
2409
2410#############################################################################
2411
2412unless ($LINK_MAP) {
2413 $LINK_MAP = cf::map::new;
2414
2415 $LINK_MAP->width (41);
2416 $LINK_MAP->height (41);
2417 $LINK_MAP->alloc;
2418 $LINK_MAP->path ("{link}");
2419 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422 # dirty hack because... archetypes are not yet loaded
2423 Event->timer (
2424 after => 10,
2425 cb => sub {
2426 $_[0]->w->cancel;
2427
2428 # provide some exits "home"
2429 my $exit = cf::object::new "exit";
2430
2431 $exit->slaying ($EMERGENCY_POSITION->[0]);
2432 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435 $LINK_MAP->insert ($exit->clone, 19, 19);
2436 $LINK_MAP->insert ($exit->clone, 19, 20);
2437 $LINK_MAP->insert ($exit->clone, 19, 21);
2438 $LINK_MAP->insert ($exit->clone, 20, 19);
2439 $LINK_MAP->insert ($exit->clone, 20, 21);
2440 $LINK_MAP->insert ($exit->clone, 21, 19);
2441 $LINK_MAP->insert ($exit->clone, 21, 20);
2442 $LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444 $exit->destroy;
2445 });
2446
2447 $LINK_MAP->{deny_save} = 1;
2448 $LINK_MAP->{deny_reset} = 1;
2449
2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451} 3921}
2452 3922
2453register_command "reload" => sub { 3923register_command "reload" => sub {
2454 my ($who, $arg) = @_; 3924 my ($who, $arg) = @_;
2455 3925
2456 if ($who->flag (FLAG_WIZ)) { 3926 if ($who->flag (FLAG_WIZ)) {
2457 $who->message ("start of reload.");
2458 reload;
2459 $who->message ("end of reload."); 3927 $who->message ("reloading server.");
3928 async {
3929 $Coro::current->{desc} = "perl_reload";
3930 reload_perl;
3931 };
2460 } 3932 }
2461}; 3933};
2462 3934
2463unshift @INC, $LIBDIR; 3935unshift @INC, $LIBDIR;
2464 3936
2465$TICK_WATCHER = Event->timer ( 3937my $bug_warning = 0;
2466 reentrant => 0, 3938
2467 prio => 0, 3939our @WAIT_FOR_TICK;
2468 at => $NEXT_TICK || $TICK, 3940our @WAIT_FOR_TICK_BEGIN;
2469 data => WF_AUTOCANCEL, 3941
2470 cb => sub { 3942sub wait_for_tick {
3943 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3944
3945 my $signal = new Coro::Signal;
3946 push @WAIT_FOR_TICK, $signal;
3947 $signal->wait;
3948}
3949
3950sub wait_for_tick_begin {
3951 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3952
3953 my $signal = new Coro::Signal;
3954 push @WAIT_FOR_TICK_BEGIN, $signal;
3955 $signal->wait;
3956}
3957
3958sub tick {
3959 if ($Coro::current != $Coro::main) {
3960 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3961 unless ++$bug_warning > 10;
3962 return;
3963 }
3964
2471 cf::server_tick; # one server iteration 3965 cf::server_tick; # one server iteration
2472 $RUNTIME += $TICK;
2473 $NEXT_TICK += $TICK;
2474 3966
2475 $WAIT_FOR_TICK->broadcast; 3967 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2476 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2477 3968
2478 # if we are delayed by four ticks or more, skip them all 3969 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3970 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2480 3971 Coro::async_pool {
2481 $TICK_WATCHER->at ($NEXT_TICK); 3972 $Coro::current->{desc} = "runtime saver";
2482 $TICK_WATCHER->start;
2483 },
2484);
2485
2486IO::AIO::max_poll_time $TICK * 0.2;
2487
2488Event->io (
2489 fd => IO::AIO::poll_fileno,
2490 poll => 'r',
2491 prio => 5,
2492 data => WF_AUTOCANCEL,
2493 cb => \&IO::AIO::poll_cb,
2494);
2495
2496Event->timer (
2497 data => WF_AUTOCANCEL,
2498 after => 0,
2499 interval => 10,
2500 cb => sub {
2501 (Coro::unblock_sub {
2502 write_runtime 3973 write_runtime_sync
2503 or warn "ERROR: unable to write runtime file: $!"; 3974 or warn "ERROR: unable to write runtime file: $!";
2504 })->(); 3975 };
2505 }, 3976 }
2506); 3977
3978 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3979 $sig->send;
3980 }
3981 while (my $sig = shift @WAIT_FOR_TICK) {
3982 $sig->send;
3983 }
3984
3985 $LOAD = ($NOW - $TICK_START) / $TICK;
3986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3987
3988 if (0) {
3989 if ($NEXT_TICK) {
3990 my $jitter = $TICK_START - $NEXT_TICK;
3991 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3992 warn "jitter $JITTER\n";#d#
3993 }
3994 }
3995}
3996
3997{
3998 # configure BDB
3999
4000 BDB::min_parallel 16;
4001 BDB::max_poll_reqs $TICK * 0.1;
4002 $AnyEvent::BDB::WATCHER->priority (1);
4003
4004 unless ($DB_ENV) {
4005 $DB_ENV = BDB::db_env_create;
4006 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4007 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4008 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4009 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4010 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4011
4012 cf::sync_job {
4013 eval {
4014 BDB::db_env_open
4015 $DB_ENV,
4016 $BDBDIR,
4017 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4018 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4019 0666;
4020
4021 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4022 };
4023
4024 cf::cleanup "db_env_open(db): $@" if $@;
4025 };
4026 }
4027
4028 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4029 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4030 };
4031 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4032 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4033 };
4034 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4035 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4036 };
4037}
4038
4039{
4040 # configure IO::AIO
4041
4042 IO::AIO::min_parallel 8;
4043 IO::AIO::max_poll_time $TICK * 0.1;
4044 undef $AnyEvent::AIO::WATCHER;
4045}
4046
4047my $_log_backtrace;
4048
4049sub _log_backtrace {
4050 my ($msg, @addr) = @_;
4051
4052 $msg =~ s/\n//;
4053
4054 # limit the # of concurrent backtraces
4055 if ($_log_backtrace < 2) {
4056 ++$_log_backtrace;
4057 my $perl_bt = Carp::longmess $msg;
4058 async {
4059 $Coro::current->{desc} = "abt $msg";
4060
4061 my @bt = fork_call {
4062 @addr = map { sprintf "%x", $_ } @addr;
4063 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4064 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4065 or die "addr2line: $!";
4066
4067 my @funcs;
4068 my @res = <$fh>;
4069 chomp for @res;
4070 while (@res) {
4071 my ($func, $line) = splice @res, 0, 2, ();
4072 push @funcs, "[$func] $line";
4073 }
4074
4075 @funcs
4076 };
4077
4078 LOG llevInfo, "[ABT] $perl_bt\n";
4079 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4080 LOG llevInfo, "[ABT] $_\n" for @bt;
4081 --$_log_backtrace;
4082 };
4083 } else {
4084 LOG llevInfo, "[ABT] $msg\n";
4085 LOG llevInfo, "[ABT] [suppressed]\n";
4086 }
4087}
4088
4089# load additional modules
4090require "cf/$_.pm" for @EXTRA_MODULES;
4091cf::_connect_to_perl_2;
2507 4092
2508END { cf::emergency_save } 4093END { cf::emergency_save }
2509 4094
25101 40951
2511 4096

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