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Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.517 by root, Thu Apr 15 06:07:51 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 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 = ();
85
86our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
89our %EXT_CORO = (); # coroutines bound to extensions
90our %EXT_MAP = (); # pluggable maps
39 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
40our @EVENT; 93our @EVENT;
41our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
42 96
43our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
44our $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
45our $NEXT_TICK; 118our $NEXT_TICK;
46our $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);
47 127
48our %CFG; 128our %CFG;
49 129
50our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 131our $RUNTIME;
132our $NOW;
52 133
53our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
54our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
55our $LINK_MAP; # the special {link} map 136our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 137
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 138# used to convert map paths into valid unix filenames by replacing / by ∕
60our $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 $REALLY_UNLOOP; # never set to true, please :)
61 150
62binmode STDOUT; 151binmode STDOUT;
63binmode STDERR; 152binmode STDERR;
64 153
65# read virtual server time, if available 154# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
67 open my $fh, "<", cf::localdir . "/runtime" 156 open my $fh, "<", $RUNTIMEFILE
68 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
69 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
70} 159}
71 160
72mkdir cf::localdir; 161eval "sub TICK() { $TICK } 1" or die;
73mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 162
78# a special map that is always available 163mkdir $_
79our $LINK_MAP; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
165
80our $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::"} };
81 180
82############################################################################# 181#############################################################################
83 182
84=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
85 184
… …
92=item $cf::RUNTIME 191=item $cf::RUNTIME
93 192
94The 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
95every server tick. 194every server tick.
96 195
97=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
98 199
99The perl library directory, where extensions and cf-specific modules can 200Various directories - "/etc", read-only install directory, perl-library
100be 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.
101 204
102=item $cf::NOW 205=item $cf::NOW
103 206
104The time of the last (current) server tick. 207The time of the last (current) server tick.
105 208
106=item $cf::TICK 209=item $cf::TICK
107 210
108The interval between server ticks, in seconds. 211The interval between server ticks, in seconds.
109 212
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
110=item %cf::CFG 223=item %cf::CFG
111 224
112Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113from wherever your confdir points to. 226from wherever your confdir points to.
114 227
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 228=item cf::wait_for_tick, cf::wait_for_tick_begin
116 229
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 231returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick. 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
121 245
122=back 246=back
123 247
124=cut 248=cut
125 249
126BEGIN { 250$Coro::State::WARNHOOK = sub {
127 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 251 my $msg = join "", @_;
129 utf8::encode $msg;
130 252
131 $msg .= "\n" 253 $msg .= "\n"
132 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
133 255
256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
257
134 LOG llevError, $msg; 258 LOG llevError, $msg;
135 }; 259};
136} 260
261$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};
137 274
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@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';
143@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)
144 282
145# 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
146# within the Safe compartment. 284# within the Safe compartment.
147for my $pkg (qw( 285for my $pkg (qw(
148 cf::global cf::attachable 286 cf::global cf::attachable
149 cf::object cf::object::player 287 cf::object cf::object::player
150 cf::client cf::player 288 cf::client cf::player
151 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
152 cf::map cf::party cf::region 291 cf::party cf::region
153)) { 292)) {
154 no strict 'refs';
155 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156} 294}
157 295
158$Event::DIED = sub { 296$EV::DIED = sub {
159 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
160}; 298};
161 299
162my %ext_pkg; 300#############################################################################
163my @exts;
164my @hook;
165 301
166=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
167 303
168=over 4 304=over 4
169 305
… …
188 $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;
189 $d 325 $d
190 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
191} 327}
192 328
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
196 330
197Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
198 332
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
207 334
208Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
209 336
210=cut 337=cut
211 338
212sub to_json($) { 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 340
214 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;
215} 356}
216 357
217=item cf::lock_wait $string 358=item cf::lock_wait $string
218 359
219Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
220 361
221=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
222 363
223Wait 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
224a 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,
225for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
226returned. 367returned.
227 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
228Lock 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
229uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
230 374
231=cut 375=item $locked = cf::lock_active $string
232 376
233our %LOCK; 377Return true if the lock is currently active, i.e. somebody has locked it.
378
379=cut
380
381our $LOCKS = new Coro::SemaphoreSet;
234 382
235sub lock_wait($) { 383sub lock_wait($) {
236 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
237
238 # wait for lock, if any
239 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule;
242 }
243} 385}
244 386
245sub lock_acquire($) { 387sub lock_acquire($) {
246 my ($key) = @_; 388 $LOCKS->guard ($_[0])
389}
247 390
248 # wait, to be sure we are not locked 391sub lock_active($) {
249 lock_wait $key; 392 $LOCKS->count ($_[0]) < 1
250
251 $LOCK{$key} = [];
252
253 Coro::guard {
254 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} };
256 }
257} 393}
258 394
259sub freeze_mainloop { 395sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
261 397
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 398 &Guard::guard (\&tick_inhibit_dec);
263 $TICK_WATCHER->stop; 399}
264 $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 $sig->wait;
265} 481}
266 482
267=item cf::async { BLOCK } 483=item cf::async { BLOCK }
268 484
269Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
… …
274 490
275BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
276 492
277=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
278 494
279The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
282 499
283If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
286fast or be very important. 503fast or be very important.
… …
289 506
290sub sync_job(&) { 507sub sync_job(&) {
291 my ($job) = @_; 508 my ($job) = @_;
292 509
293 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
511 my $time = AE::time;
512
294 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
296 515
297 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
298 # (but this is cancel-safe) 517
299 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
300 519
301 my $busy = 1; 520 my $busy = 1;
302 my @res; 521 my @res;
303 522
304 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
305 @res = eval { $job->() }; 525 @res = eval { $job->() };
306 warn $@ if $@; 526 warn $@ if $@;
307 undef $busy; 527 undef $busy;
308 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
309 529
310 while ($busy) { 530 while ($busy) {
311 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
312 } 535 }
536 }
537
538 my $time = AE::time - $time;
539
540 $TICK_START += $time; # do not account sync jobs to server load
313 541
314 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
315 } else { 543 } else {
316 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
317 545
… …
319 } 547 }
320} 548}
321 549
322=item $coro = cf::async_ext { BLOCK } 550=item $coro = cf::async_ext { BLOCK }
323 551
324Like async, but this coro is automcatially being canceled when the 552Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 553extension calling this is being unloaded.
326 554
327=cut 555=cut
328 556
329sub async_ext(&) { 557sub async_ext(&) {
… …
337 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
338 566
339 $coro 567 $coro
340} 568}
341 569
342sub write_runtime { 570=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 571
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572Executes the given code block with the given arguments in a seperate
346 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.
347 576
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 577=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 578
352 aio_fsync $fh 579sub fork_call(&@) {
353 and return; 580 my ($cb, @args) = @_;
354 581
355 close $fh 582 # we seemingly have to make a local copy of the whole thing,
356 or return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
357 585
358 aio_rename "$runtime~", $runtime 586 my @res = Coro::Util::fork_eval {
359 and return; 587 reset_signals;
588 &$cb
589 }, @args;
360 590
591 wantarray ? @res : $res[-1]
592}
593
594sub objinfo {
361 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 });
362} 768}
363 769
364=back 770=back
365 771
366=cut 772=cut
367 773
368############################################################################# 774#############################################################################
369 775
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494
495#############################################################################
496
497=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
498 777
499Many 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
500attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
501to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
502 781
503In 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>
504C<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
505crossfire+). 784Deliantra).
506 785
507=over 4 786=over 4
508 787
509=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
510 789
… …
554=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
555 834
556Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
557given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
558 837
559Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
560that 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.
561 840
562These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
563 842
564=over 4 843=over 4
… …
624our @CB_TYPE = (); # registry for type (cf-object class) based events 903our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 904our @CB_MAP = ();
626 905
627my %attachment; 906my %attachment;
628 907
908sub cf::attachable::thawer_merge {
909 # simply override everything except _meta
910 local $_[0]{_meta};
911 %{$_[0]} = %{$_[1]};
912}
913
629sub _attach_cb($$$$) { 914sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 915 my ($registry, $event, $prio, $cb) = @_;
631 916
632 use sort 'stable'; 917 use sort 'stable';
633 918
… …
667 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
668 953
669 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
670 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
671 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
672 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673 958
674 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
675 my $pkg = shift @arg; 960 my $pkg = shift @arg;
676 961
677 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
… …
706 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
707 } 992 }
708 993
709 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
710 } else { 995 } else {
711 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
712 } 997 }
713 998
714 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
715} 1000}
716 1001
… …
718 if (ref $_[0]) { 1003 if (ref $_[0]) {
719 _object_attach @_; 1004 _object_attach @_;
720 } else { 1005 } else {
721 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
722 } 1007 }
1008 _recalc_want;
723}; 1009};
724 1010
725# all those should be optimised 1011# all those should be optimised
726sub cf::attachable::detach { 1012sub cf::attachable::detach {
727 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
… …
730 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
731 reattach ($obj); 1017 reattach ($obj);
732 } else { 1018 } else {
733 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
734 } 1020 }
1021 _recalc_want;
735}; 1022};
736 1023
737sub cf::attachable::attached { 1024sub cf::attachable::attached {
738 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
739 1026
… …
754 "; 1041 ";
755 die if $@; 1042 die if $@;
756} 1043}
757 1044
758our $override; 1045our $override;
759our @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?
760 1047
761sub override { 1048sub override {
762 $override = 1; 1049 $override = 1;
763 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
764} 1051}
765 1052
766sub do_invoke { 1053sub do_invoke {
767 my $event = shift; 1054 my $event = shift;
768 my $callbacks = shift; 1055 my $callbacks = shift;
769 1056
770 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
771 1058
772 local $override; 1059 local $override;
773 1060
774 for (@$callbacks) { 1061 for (@$callbacks) {
775 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
784 } 1071 }
785 1072
786 0 1073 0
787} 1074}
788 1075
789=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790 1077
791=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792 1079
793Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
794 1081
795This 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
796removed 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
797results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798 1085
799=back 1086=back
800 1087
801=cut 1088=cut
802 1089
803############################################################################# 1090#############################################################################
804# object support 1091# object support
1092
1093sub _object_equal($$);
1094sub _object_equal($$) {
1095 my ($a, $b) = @_;
1096
1097 return 0 unless (ref $a) eq (ref $b);
1098
1099 if ("HASH" eq ref $a) {
1100 my @ka = keys %$a;
1101 my @kb = keys %$b;
1102
1103 return 0 if @ka != @kb;
1104
1105 for (0 .. $#ka) {
1106 return 0 unless $ka[$_] eq $kb[$_];
1107 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1108 }
1109
1110 } elsif ("ARRAY" eq ref $a) {
1111
1112 return 0 if @$a != @$b;
1113
1114 for (0 .. $#$a) {
1115 return 0 unless _object_equal $a->[$_], $b->[$_];
1116 }
1117
1118 } elsif ($a ne $b) {
1119 return 0;
1120 }
1121
1122 1
1123}
1124
1125our $SLOW_MERGES;#d#
1126sub _can_merge {
1127 my ($ob1, $ob2) = @_;
1128
1129 ++$SLOW_MERGES;#d#
1130
1131 # we do the slow way here
1132 return _object_equal $ob1, $ob2
1133}
805 1134
806sub reattach { 1135sub reattach {
807 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 1137 my ($obj) = @_;
1138
1139 # no longer needed after getting rid of delete_package?
1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 1141
810 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
811 1143
812 @$registry = (); 1144 @$registry = ();
813 1145
… …
828cf::attachable->attach ( 1160cf::attachable->attach (
829 prio => -1000000, 1161 prio => -1000000,
830 on_instantiate => sub { 1162 on_instantiate => sub {
831 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
832 1164
833 $data = from_json $data; 1165 $data = decode_json $data;
834 1166
835 for (@$data) { 1167 for (@$data) {
836 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
837 1169
838 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
854sub object_freezer_save { 1186sub object_freezer_save {
855 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
856 1188
857 sync_job { 1189 sync_job {
858 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
859 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
860 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
861 1194
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
864 aio_write $fh, 0, (length $$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;
865 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
866 close $fh; 1202 aio_close $fh;
867 1203
868 if (@$objs) { 1204 if (@$objs) {
869 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) {
870 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872 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;
873 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
874 close $fh; 1213 aio_close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
876 } 1215 }
877 } else { 1216 } else {
878 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
879 } 1218 }
880 1219
881 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
882 } else { 1224 } else {
883 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
884 } 1226 }
885 } else { 1227 } else {
886 aio_unlink $filename; 1228 aio_unlink $filename;
887 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
888 } 1230 }
889 } 1231 };
890} 1232}
891 1233
892sub object_freezer_as_string { 1234sub object_freezer_as_string {
893 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
894 1236
… …
906 or return; 1248 or return;
907 1249
908 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
909 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
910 or return; 1252 or return;
1253
911 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
912 } 1256 }
913 1257
1258 utf8::decode (my $decname = $filename);
914 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
915 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
916 return ($data, $av); 1262 ($data, $av)
917} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
918 1270
919############################################################################# 1271#############################################################################
920# command handling &c 1272# command handling &c
921 1273
922=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
935 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
936} 1288}
937 1289
938=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
939 1291
940Register 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.
941 1297
942If 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
943called. 1299called.
944 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
945=cut 1312=cut
946 1313
947sub register_extcmd { 1314sub register_extcmd {
948 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
949 1316
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 1317 $EXTCMD{$name} = $cb;
954} 1318}
1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
955 1327
956cf::player->attach ( 1328cf::player->attach (
957 on_command => sub { 1329 on_unknown_command => sub {
958 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
959 1331
960 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
961 or return; 1333 or return;
962 1334
… …
967 cf::override; 1339 cf::override;
968 }, 1340 },
969 on_extcmd => sub { 1341 on_extcmd => sub {
970 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
971 1343
972 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973 1345
974 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
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
977 $pl->ext_reply ($msg->{msgid}, %reply);
978 }
979 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
980 } else { 1361 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982 } 1363 }
983 1364
984 cf::override; 1365 cf::override;
985 }, 1366 },
986); 1367);
987 1368
988sub register { 1369# "readahead" all extensions
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 1370sub cache_extensions {
995 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
996 1372
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
999 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg";
1002
1003 warn "loading '$path' into '$pkg'\n";
1004
1005 open my $fh, "<:utf8", $path
1006 or die "$path: $!";
1007
1008 my $source =
1009 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> })
1012 . "\n};\n1";
1013
1014 eval $source
1015 or die $@ ? "$path: $@\n"
1016 : "extension disabled.\n";
1017
1018 push @exts, $pkg;
1019 $ext_pkg{$base} = $pkg;
1020
1021# no strict 'refs';
1022# @{"$pkg\::ISA"} = ext::;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# }
1037
1038 # remove commands
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 } 1376 }
1047 } 1377 };
1048 1378
1049 # remove extcmds 1379 $grp
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 1380}
1063 1381
1064sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
1065 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 1387 next unless -r $path;
1067 eval { 1388
1068 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 }
1069 1 1449 }
1070 } 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 }
1071 } 1460 };
1072} 1461}
1073 1462
1074############################################################################# 1463#############################################################################
1075# load/save/clean perl data associated with a map
1076 1464
1077*cf::mapsupport::on_clean = sub { 1465=back
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 1466
1090=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
1091 1468
1092Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
1093 1470
1094=cut 1471=cut
1095 1472
1096package cf::player; 1473package cf::player;
1097 1474
… …
1099 1476
1100=head3 cf::player 1477=head3 cf::player
1101 1478
1102=over 4 1479=over 4
1103 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
1104=item cf::player::find $login 1495=item cf::player::find $login
1105 1496
1106Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
1107 1498
1108=cut 1499=cut
1109 1500
1110sub playerdir($) { 1501sub playerdir($) {
1111 cf::localdir 1502 "$PLAYERDIR/"
1112 . "/"
1113 . cf::playerdir
1114 . "/"
1115 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1116} 1504}
1117 1505
1118sub path($) { 1506sub path($) {
1119 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120 1508
1121 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
1122} 1510}
1123 1511
1124sub find_active($) { 1512sub find_active($) {
1125 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
1126 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
… …
1129 1517
1130sub exists($) { 1518sub exists($) {
1131 my ($login) = @_; 1519 my ($login) = @_;
1132 1520
1133 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 1522 or !aio_stat path $login
1135} 1523}
1136 1524
1137sub find($) { 1525sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 1527 my $login = $_[0];
1140 1528
1141 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
1142 1530
1143 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
1144 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
1145 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;
1146 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
1147 } 1548 }
1148 } 1549 }
1149} 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);
1150 1564
1151sub save($) { 1565sub save($) {
1152 my ($pl) = @_; 1566 my ($pl) = @_;
1153 1567
1154 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
1159 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
1160 1574
1161 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
1162 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
1163 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
1164 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
1165 Coro::cede; 1584 cf::cede_to_tick;
1166} 1585}
1167 1586
1168sub new($) { 1587sub new($) {
1169 my ($login) = @_; 1588 my ($login) = @_;
1170 1589
… …
1176 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1177 1596
1178 $self 1597 $self
1179} 1598}
1180 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
1181=item $pl->quit_character 1610=item $pl->quit_character
1182 1611
1183Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1184be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1185 1614
1186=cut 1615=cut
1187 1616
1188sub quit_character { 1617sub quit_character {
1189 my ($pl) = @_; 1618 my ($pl) = @_;
1190 1619
1620 my $name = $pl->ob->name;
1621
1191 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1192 $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
1193 1624
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1196 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1197 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1198 1631
1199 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1203 $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
1204 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;
1205} 1658}
1206 1659
1207=item cf::player::list_logins 1660=item cf::player::list_logins
1208 1661
1209Returns 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
1210while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1211 1664
1212=cut 1665=cut
1213 1666
1214sub list_logins { 1667sub list_logins {
1215 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1216 or return []; 1669 or return [];
1217 1670
1218 my @logins; 1671 my @logins;
1219 1672
1220 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") {
1221 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1223 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1224 1683
1225 utf8::decode $login; 1684 utf8::decode $login;
1226 push @logins, $login; 1685 push @logins, $login;
1227 } 1686 }
1228 1687
1229 \@logins 1688 \@logins
1230} 1689}
1231 1690
1232=item $player->maps 1691=item $player->maps
1233 1692
1234Returns 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
1235player. May block. 1694player. May block.
1236 1695
1237=cut 1696=cut
1238 1697
1239sub maps($) { 1698sub maps($) {
1240 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1702
1242 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1243 or return; 1704 or return;
1244 1705
1245 my @paths; 1706 my @paths;
… …
1247 for (@$files) { 1708 for (@$files) {
1248 utf8::decode $_; 1709 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1251 1712
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1713 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1714 }
1254 1715
1255 \@paths 1716 \@paths
1256} 1717}
1257 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1259 1724
1260Sends an ext reply to the player. 1725Sends an ext reply to the player.
1261 1726
1262=cut 1727=cut
1263 1728
1264sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1265 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1266 1731
1267 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1268
1269 $self->send ("ext " . cf::to_json \%msg);
1270} 1733}
1271 1734
1272package cf; 1735=item $player->ext_msg ($type, @msg)
1736
1737Sends an ext event to the client.
1738
1739=cut
1740
1741sub ext_msg($$@) {
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}
1273 1775
1274=back 1776=back
1275
1276 1777
1277=head3 cf::map 1778=head3 cf::map
1278 1779
1279=over 4 1780=over 4
1280 1781
… …
1283package cf::map; 1784package cf::map;
1284 1785
1285use Fcntl; 1786use Fcntl;
1286use Coro::AIO; 1787use Coro::AIO;
1287 1788
1789use overload
1790 '""' => \&as_string,
1791 fallback => 1;
1792
1288our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1290 1795
1291sub generate_random_map { 1796sub generate_random_map {
1292 my ($path, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293 1800
1294 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1802 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1810 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $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},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1812 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1813 (cf::region::find $rmp->{region}), $rmp->{custom}
1814 )
1308} 1815}
1309 1816
1310# and all this just because we cannot iterate over 1817=item cf::map->register ($regex, $prio)
1311# all maps in C++...
1312sub change_all_map_light {
1313 my ($change) = @_;
1314 1818
1315 $_->change_map_light ($change) 1819Register a handler for the map path matching the given regex at the
1316 for grep $_->outdoor, values %cf::MAP; 1820givne priority (higher is better, built-in handlers have priority 0, the
1317} 1821default).
1318 1822
1319sub try_load_header($) { 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 {
1320 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) = @_;
1321 1962
1322 utf8::encode $path; 1963 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1324 or return; 1965 or return;
1325 1966
1326 my $map = cf::map::new 1967 $self->_load_header ($f)
1327 or return; 1968 or return;
1328 1969
1329 # for better error messages only, will be overwritten 1970 local $MAP_LOADING{$self->{path}} = $self;
1330 $map->path ($path); 1971 $f->resolve_delayed_derefs;
1331 1972
1332 $map->load_header ($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
1333 or return; 2016 or return;
2017 $self->prepare_orig;
2018 }
1334 2019
1335 $map->{load_path} = $path; 2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
1336 2022
1337 $map 2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
2025
2026 1
1338} 2027}
1339 2028
1340sub find; 2029sub find;
1341sub find { 2030sub find {
1342 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1343 2032
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 2034
1349 cf::lock_wait "map_find:$key"; 2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351 $cf::MAP{$key} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1353 2037
1354 # do it the slow way 2038 $cf::MAP{$path} || do {
1355 my $map = try_load_header $path->save_path; 2039 my $map = new_from_path cf::map $path
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 2040 or return;
1373 2041
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1386 2043
1387 Coro::cede; 2044 $map->load_header
2045 or return;
1388 2046
1389 if ($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;
1390 $map->reset; 2052 $map->reset;
1391 undef $guard;
1392 $map = find $path 2053 return find $path;
1393 or return;
1394 } 2054 }
1395 2055
1396 $cf::MAP{$key} = $map 2056 $cf::MAP{$path} = $map
1397 } 2057 }
1398} 2058}
2059
2060sub pre_load { }
2061#sub post_load { } # XS
1399 2062
1400sub load { 2063sub load {
1401 my ($self) = @_; 2064 my ($self) = @_;
1402 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1403 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2071 my $guard = cf::lock_acquire "map_data:$path";
1405 2072
2073 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 2075
1408 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1409 2077
1410 $self->alloc; 2078 $self->alloc;
1411 $self->load_objects ($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)
1412 or return; 2086 or return;
1413 2087
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1415 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1416 2090
1417 if (my $uniq = $path->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 2092 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1420 $self->clear_unique_items; 2095 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1422 } 2099 }
1423 } 2100 }
1424 2101
1425 Coro::cede; 2102 $f->resolve_delayed_derefs;
1426 2103
2104 cf::cede_to_tick;
1427 # now do the right thing for maps 2105 # now do the right thing for maps
1428 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1429
1430 if ($self->{path}->is_style_map) {
1431 $self->{deny_save} = 1;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons;
1437 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1439 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;
1440 $self->activate; 2116 $self->activate;
1441 } 2117 }
1442 2118
1443 Coro::cede; 2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
1444 2121
1445 $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 $self
1446} 2141}
1447 2142
1448# find and load all maps in the 3x3 area around a map 2143# find and load all maps in the 3x3 area around a map
1449sub load_diag { 2144sub load_neighbours {
1450 my ($map) = @_; 2145 my ($map) = @_;
1451 2146
1452 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1453 2148
1454 for (0 .. 3) { 2149 for (0 .. 3) {
1455 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1456 or next; 2151 or next;
1457 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1458 or next; 2153 or next;
1459 $neigh->load; 2154 $neigh->load;
1460 2155
2156 push @neigh,
1461 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1462 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1463 } 2159 }
1464 2160
1465 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1466 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1467 or next; 2164 or next;
1468 $neigh->load; 2165 $neigh->load;
1469 } 2166 }
1470} 2167}
1471 2168
… …
1476} 2173}
1477 2174
1478sub do_load_sync { 2175sub do_load_sync {
1479 my ($map) = @_; 2176 my ($map) = @_;
1480 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1481 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1482} 2182}
1483 2183
1484our %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
1485our $MAP_PREFETCHER = Coro::async { 2198 $MAP_PREFETCHER ||= cf::async {
1486 while () { 2199 $Coro::current->{desc} = "map prefetcher";
2200
1487 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1489 or next; 2203 if (my $map = find $k) {
2204 $map->load if $v;
2205 }
2206
1490 my $path = delete $MAP_PREFETCH{$key}; 2207 delete $MAP_PREFETCH{$k};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 } 2208 }
1496 Coro::schedule; 2209 }
2210 undef $MAP_PREFETCHER;
1497 } 2211 };
1498};
1499
1500sub find_async {
1501 my ($path, $origin) = @_;
1502
1503 $path = new cf::path $path, $origin && $origin->path;
1504 my $key = $path->as_string;
1505
1506 if (my $map = $cf::MAP{$key}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 }
1509
1510 $MAP_PREFETCH{$key} = $path;
1511 $MAP_PREFETCHER->ready; 2212 $MAP_PREFETCHER->prio (6);
1512 2213
1513 () 2214 ()
1514} 2215}
1515 2216
1516sub save { 2217sub save {
1517 my ($self) = @_; 2218 my ($self) = @_;
1518 2219
1519 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1520 2221
1521 $self->{last_save} = $cf::RUNTIME; 2222 $self->{last_save} = $cf::RUNTIME;
1522 2223
1523 return unless $self->dirty; 2224 return unless $self->dirty;
1524 2225
1525 my $save = $self->{path}->save_path; utf8::encode $save; 2226 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2227 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 2228
1528 $self->{load_path} = $save; 2229 $self->{load_path} = $save;
1529 2230
1530 return if $self->{deny_save}; 2231 return if $self->{deny_save};
1531 2232
1532 local $self->{last_access} = $self->last_access;#d# 2233 local $self->{last_access} = $self->last_access;#d#
1533 2234
1534 cf::async { 2235 cf::async {
2236 $Coro::current->{desc} = "map player save";
1535 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
1536 }; 2238 };
1537 2239
2240 cf::get_slot 0.02;
2241
1538 if ($uniq) { 2242 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 2245 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 2247 }
1544} 2248}
1545 2249
1546sub swap_out { 2250sub swap_out {
1547 my ($self) = @_; 2251 my ($self) = @_;
1548 2252
1549 # save first because save cedes 2253 # save first because save cedes
1550 $self->save; 2254 $self->save;
1551 2255
1552 my $lock = cf::lock_acquire "map_data:" . $self->path; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
1553 2257
1554 return if $self->players; 2258 return if $self->players;
1555 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
1556 return if $self->{deny_save}; 2260 return if $self->{deny_save};
1557 2261
2262 $self->in_memory (cf::MAP_SWAPPED);
2263
2264 $self->deactivate;
2265 $_->clear_links_to ($self) for values %cf::MAP;
1558 $self->clear; 2266 $self->clear;
1559 $self->in_memory (cf::MAP_SWAPPED);
1560} 2267}
1561 2268
1562sub reset_at { 2269sub reset_at {
1563 my ($self) = @_; 2270 my ($self) = @_;
1564 2271
1565 # TODO: safety, remove and allow resettable per-player maps 2272 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel};
1567 return 1e99 if $self->{deny_reset}; 2273 return 1e99 if $self->{deny_reset};
1568 2274
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2275 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2276 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 2277
… …
1576 my ($self) = @_; 2282 my ($self) = @_;
1577 2283
1578 $self->reset_at <= $cf::RUNTIME 2284 $self->reset_at <= $cf::RUNTIME
1579} 2285}
1580 2286
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 2287sub reset {
1603 my ($self) = @_; 2288 my ($self) = @_;
1604 2289
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2291
1607 return if $self->players; 2292 return if $self->players;
1608 return if $self->{path}{user_rel};#d#
1609 2293
1610 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 }
1611 2305
1612 delete $cf::MAP{$self->path}; 2306 delete $cf::MAP{$self->path};
1613 2307
2308 $self->deactivate;
1614 $_->clear_links_to ($self) for values %cf::MAP; 2309 $_->clear_links_to ($self) for values %cf::MAP;
2310 $self->clear;
1615 2311
1616 $self->unlink_save; 2312 $self->unlink_save;
1617 $self->destroy; 2313 $self->destroy;
1618} 2314}
1619 2315
1620my $nuke_counter = "aaaa"; 2316my $nuke_counter = "aaaa";
1621 2317
1622sub nuke { 2318sub nuke {
1623 my ($self) = @_; 2319 my ($self) = @_;
1624 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};
1625 $self->{deny_save} = 1; 2330 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 2331 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 2332 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2333
2334 $cf::MAP{$self->path} = $self;
2335 }
2336
1628 $self->reset; # polite request, might not happen 2337 $self->reset; # polite request, might not happen
1629} 2338}
1630 2339
1631sub customise_for { 2340=item $maps = cf::map::tmp_maps
1632 my ($map, $ob) = @_;
1633 2341
1634 if ($map->per_player) { 2342Returns an arrayref with all map paths of currently instantiated and saved
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2343maps. May block.
2344
2345=cut
2346
2347sub tmp_maps() {
1636 } 2348 [
2349 map {
2350 utf8::decode $_;
2351 /\.map$/
2352 ? normalise $_
2353 : ()
2354 } @{ aio_readdir $TMPDIR or [] }
2355 ]
2356}
1637 2357
1638 $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 ]
1639} 2374}
1640 2375
1641=item cf::map::unique_maps 2376=item cf::map::unique_maps
1642 2377
1643Returns an arrayref of cf::path's of all shared maps that have 2378Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 2379instantiated unique items. May block.
1645 2380
1646=cut 2381=cut
1647 2382
1648sub unique_maps() { 2383sub unique_maps() {
1649 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2384 [
1650 or return; 2385 map {
1651
1652 my @paths;
1653
1654 for (@$files) {
1655 utf8::decode $_; 2386 utf8::decode $_;
1656 next if /\.pst$/; 2387 s/\.map$//; # TODO future compatibility hack
1657 next unless /^$PATH_SEP/o; 2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658 2389 ? ()
1659 push @paths, new cf::path $_; 2390 : normalise $_
2391 } @{ aio_readdir $UNIQUEDIR or [] }
1660 } 2392 ]
1661
1662 \@paths
1663} 2393}
1664 2394
1665package 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}
1666 2426
1667=back 2427=back
1668 2428
1669=head3 cf::object 2429=head3 cf::object
1670 2430
… …
1674 2434
1675=over 4 2435=over 4
1676 2436
1677=item $ob->inv_recursive 2437=item $ob->inv_recursive
1678 2438
1679Returns 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.
1680 2441
1681=cut 2442=cut
1682 2443
1683sub inv_recursive_; 2444sub inv_recursive_;
1684sub inv_recursive_ { 2445sub inv_recursive_ {
… …
1687 2448
1688sub inv_recursive { 2449sub inv_recursive {
1689 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
1690} 2451}
1691 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
1692package cf; 2481package cf;
1693 2482
1694=back 2483=back
1695 2484
1696=head3 cf::object::player 2485=head3 cf::object::player
… …
1702Sends 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>
1703can 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
1704dialogue with the given NPC character. 2493dialogue with the given NPC character.
1705 2494
1706=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};
1707 2510
1708# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
1709# with dialog boxes. 2512# with dialog boxes.
1710#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
1711sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
… …
1713 2516
1714 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2517 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715 2518
1716 if ($self->{record_replies}) { 2519 if ($self->{record_replies}) {
1717 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2520 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2521
1718 } 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 {
1719 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
1720 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2532 }
1721 } 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 (@_);
1722} 2544}
1723 2545
1724=item $player_object->may ("access") 2546=item $player_object->may ("access")
1725 2547
1726Returns wether the given player is authorized to access resource "access" 2548Returns wether the given player is authorized to access resource "access"
… …
1739 2561
1740=item $player_object->enter_link 2562=item $player_object->enter_link
1741 2563
1742Freezes 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}>).
1743 2565
1744The 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.
1745I<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.
1746 2572
1747=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
1748 2574
1749Moves the player out of the specila link map onto the given map. If the 2575Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 2576map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 2577to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 2578fails, to the emergency map position.
1753 2579
1754Might block. 2580Might block.
1755 2581
1756=cut 2582=cut
2583
2584sub link_map {
2585 unless ($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 $LINK_MAP
2592}
1757 2593
1758sub cf::object::player::enter_link { 2594sub cf::object::player::enter_link {
1759 my ($self) = @_; 2595 my ($self) = @_;
1760 2596
1761 $self->deactivate_recursive; 2597 $self->deactivate_recursive;
1762 2598
1763 return if $self->map == $LINK_MAP; 2599 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 2600
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2601 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 2602 if $self->map && $self->map->{path} ne "{link}";
1767 2603
1768 $self->enter_map ($LINK_MAP, 20, 20); 2604 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 2605}
1770 2606
1771sub cf::object::player::leave_link { 2607sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 2608 my ($self, $map, $x, $y) = @_;
2609
2610 return unless $self->contr->active;
1773 2611
1774 my $link_pos = delete $self->{_link_pos}; 2612 my $link_pos = delete $self->{_link_pos};
1775 2613
1776 unless ($map) { 2614 unless ($map) {
1777 # restore original map position 2615 # restore original map position
… …
1788 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
1789 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
1790 2628
1791 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
1792 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
1793 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
1794 2632
1795 $map->load; 2633 $map->load;
1796 $map->load_diag; 2634 $map->load_neighbours;
1797 2635
1798 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
1799 $self->activate_recursive; 2642 $self->activate_recursive;
1800 $self->enter_map ($map, $x, $y);
1801} 2643}
1802 2644
1803cf::player->attach ( 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804 on_logout => sub {
1805 my ($pl) = @_;
1806 2646
1807 # abort map switching before logout 2647Moves the player to the given map-path and coordinates by first freezing
1808 if ($pl->ob->{_link_pos}) { 2648her, loading and preparing them map, calling the provided $check callback
1809 cf::sync_job { 2649that has to return the map if sucecssful, and then unfreezes the player on
1810 $pl->ob->leave_link 2650the new (success) or old (failed) map position. In either case, $done will
1811 }; 2651be called at the end of this process.
1812 }
1813 },
1814 on_login => sub {
1815 my ($pl) = @_;
1816 2652
1817 # try to abort aborted map switching on player login :) 2653Note that $check will be called with a potentially non-loaded map, so if
1818 # should happen only on crashes 2654it needs a loaded map it has to call C<< ->load >>.
1819 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link;
1821 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED);
1828 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link;
1830 })->prio (2);
1831 }
1832 },
1833);
1834 2655
1835=item $player_object->goto ($path, $x, $y)
1836
1837=cut 2656=cut
2657
2658our $GOTOGEN;
1838 2659
1839sub cf::object::player::goto { 2660sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 2661 my ($self, $path, $x, $y, $check, $done) = @_;
1841 2662
1842 $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;
1843 2665
1844 $self->enter_link; 2666 $self->enter_link;
1845 2667
1846 (async { 2668 (async {
1847 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) {
1848 $map = $map->customise_for ($self) if $map; 2694 $map = $map->customise_for ($self);
1849 2695 $map = $check->($map) if $check && $map;
1850# warn "entering ", $map->path, " at ($x, $y)\n" 2696 } else {
1851# if $map;
1852
1853 $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 }
1854 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};
1855 $self->leave_link ($map, $x, $y); 2710 $self->leave_link ($map, $x, $y);
2711 }
2712
2713 $done->() if $done;
1856 })->prio (1); 2714 })->prio (1);
1857} 2715}
1858 2716
1859=item $player_object->enter_exit ($exit_object) 2717=item $player_object->enter_exit ($exit_object)
1860 2718
… …
1862 2720
1863sub parse_random_map_params { 2721sub parse_random_map_params {
1864 my ($spec) = @_; 2722 my ($spec) = @_;
1865 2723
1866 my $rmp = { # defaults 2724 my $rmp = { # defaults
1867 xsize => 10, 2725 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 2726 ysize => (cf::rndm 15, 40),
2727 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2728 #layout => string,
1869 }; 2729 };
1870 2730
1871 for (split /\n/, $spec) { 2731 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 2732 my ($k, $v) = split /\s+/, $_, 2;
1873 2733
… …
1885 # that depends on the exit object 2745 # that depends on the exit object
1886 2746
1887 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
1888 2748
1889 if ($exit->map) { 2749 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 2750 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
1894 } 2756 }
1895 2757
1896 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
1897 2759
1898 my $data = cf::to_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
2762 my $meta = "$RANDOMDIR/$md5.meta";
1900 2763
1901 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) {
1902 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;
1903 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
1904 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
1906 } 2775 }
1907} 2776}
1908 2777
1909sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
… …
1912 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
1913 2782
1914 $self->enter_link; 2783 $self->enter_link;
1915 2784
1916 (async { 2785 (async {
1917 $self->deactivate_recursive; # just to be sure 2786 $Coro::current->{desc} = "enter_exit";
2787
1918 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
1919 prepare_random_map $exit 2795 prepare_random_map $exit
1920 if $exit->slaying eq "/!"; 2796 if $exit->slaying eq "/!";
2797 }
1921 2798
1922 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;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
1924 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
1925 1; 2809 1
1926 }) { 2810 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
1928 . "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. "
1929 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
1931 2815
1932 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 2817 $self->leave_link;
1934 } 2818 }
1935 })->prio (1); 2819 })->prio (1);
… …
1948 2832
1949sub cf::client::send_drawinfo { 2833sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2834 my ($self, $text, $flags) = @_;
1951 2835
1952 utf8::encode $text; 2836 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2838}
1955 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}
1956 3061
1957=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
1958 3063
1959Queues a query to the client, calling the given callback with 3064Queues a query to the client, calling the given callback with
1960the 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>,
1961C<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>.
1962 3067
1963Queries 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
1964reliable at some point in the future. 3069become reliable at some point in the future.
1965 3070
1966=cut 3071=cut
1967 3072
1968sub cf::client::query { 3073sub cf::client::query {
1969 my ($self, $flags, $text, $cb) = @_; 3074 my ($self, $flags, $text, $cb) = @_;
… …
1977 utf8::encode $text; 3082 utf8::encode $text;
1978 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3083 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979 3084
1980 $self->send_packet ($self->{query_queue}[0][0]) 3085 $self->send_packet ($self->{query_queue}[0][0])
1981 if @{ $self->{query_queue} } == 1; 3086 if @{ $self->{query_queue} } == 1;
3087
3088 1
1982} 3089}
1983 3090
1984cf::client->attach ( 3091cf::client->attach (
3092 on_connect => sub {
3093 my ($ns) = @_;
3094
3095 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3096 },
1985 on_reply => sub { 3097 on_reply => sub {
1986 my ($ns, $msg) = @_; 3098 my ($ns, $msg) = @_;
1987 3099
1988 # this weird shuffling is so that direct followup queries 3100 # this weird shuffling is so that direct followup queries
1989 # get handled first 3101 # get handled first
1990 my $queue = delete $ns->{query_queue} 3102 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 3103 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 3104
1993 (shift @$queue)->[1]->($msg); 3105 (shift @$queue)->[1]->($msg);
3106 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 3107
1995 push @{ $ns->{query_queue} }, @$queue; 3108 push @{ $ns->{query_queue} }, @$queue;
1996 3109
1997 if (@{ $ns->{query_queue} } == @$queue) { 3110 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 3111 if (@$queue) {
… …
2000 } else { 3113 } else {
2001 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3114 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002 } 3115 }
2003 } 3116 }
2004 }, 3117 },
3118 on_exticmd => sub {
3119 my ($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 },
2005); 3144);
2006 3145
2007=item $client->async (\&cb) 3146=item $client->async (\&cb)
2008 3147
2009Create a new coroutine, running the specified callback. The coroutine will 3148Create a new coroutine, running the specified callback. The coroutine will
… …
2025 3164
2026 $coro 3165 $coro
2027} 3166}
2028 3167
2029cf::client->attach ( 3168cf::client->attach (
2030 on_destroy => sub { 3169 on_client_destroy => sub {
2031 my ($ns) = @_; 3170 my ($ns) = @_;
2032 3171
2033 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2034 }, 3173 },
2035); 3174);
… …
2050our $safe = new Safe "safe"; 3189our $safe = new Safe "safe";
2051our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
2052 3191
2053$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
2054 3193
2055$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3194$safe->permit_only (Opcode::opset qw(
3195 :base_core :base_mem :base_orig :base_math :base_loop
3196 grepstart grepwhile mapstart mapwhile
3197 sort time
3198));
2056 3199
2057# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
2058 3201
2059=pod 3202=pod
2060 3203
2061The following fucntions and emthods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
2062 3205
2063 cf::object contr pay_amount pay_player map 3206 cf::object
3207 contr pay_amount pay_player map x y force_find force_add destroy
3208 insert remove name archname title slaying race decrease split
3209 value
3210
2064 cf::object::player player 3211 cf::object::player
2065 cf::player peaceful 3212 player
2066 cf::map trigger 3213
3214 cf::player
3215 peaceful
3216
3217 cf::map
3218 trigger
2067 3219
2068=cut 3220=cut
2069 3221
2070for ( 3222for (
2071 ["cf::object" => qw(contr pay_amount pay_player map)], 3223 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3224 insert remove inv nrof name archname title slaying race
3225 decrease split destroy change_exp value msg lore send_msg)],
2072 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
2073 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
2074 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
2075) { 3229) {
2076 no strict 'refs'; 3230 no strict 'refs';
2077 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
2078 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2096 3250
2097 my $qcode = $code; 3251 my $qcode = $code;
2098 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2099 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
2100 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
2101 local $_; 3258 local $_;
2102 local @safe::cf::_safe_eval_args = values %vars;
2103 3259
2104 my $eval = 3260 my $eval =
2105 "do {\n" 3261 "do {\n"
2106 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
2108 . $code 3264 . $code
2109 . "\n}" 3265 . "\n}"
2110 ; 3266 ;
2111 3267
3268 if ($CFG{safe_eval}) {
2112 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
2113 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114 sub_generation_inc; 3272 sub_generation_inc;
3273 } else {
3274 local @cf::_safe_eval_args = values %vars;
3275 @res = wantarray ? eval eval : scalar eval $eval;
3276 }
2115 3277
2116 if ($@) { 3278 if ($@) {
2117 warn "$@"; 3279 warn "$@";
2118 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
2119 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
… …
2138=cut 3300=cut
2139 3301
2140sub register_script_function { 3302sub register_script_function {
2141 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
2142 3304
2143 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
2144 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
2145} 3307}
2146 3308
2147=back 3309=back
2148 3310
2149=cut 3311=cut
2150 3312
2151############################################################################# 3313#############################################################################
3314# the server's init and main functions
2152 3315
2153=head2 EXTENSION DATABASE SUPPORT 3316sub load_facedata($) {
3317 my ($path) = @_;
2154 3318
2155Crossfire maintains a very simple database for extension use. It can 3319 # HACK to clear player env face cache, we need some signal framework
2156currently store anything that can be serialised using Storable, which 3320 # for this (global event?)
2157excludes objects. 3321 %ext::player_env::MUSIC_FACE_CACHE = ();
2158 3322
2159The parameter C<$family> should best start with the name of the extension 3323 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160using it, it should be unique.
2161 3324
2162=over 4 3325 warn "loading facedata from $path\n";
2163 3326
2164=item $hashref = cf::db_get $family 3327 my $facedata;
3328 0 < aio_load $path, $facedata
3329 or die "$path: $!";
2165 3330
2166Return a hashref for use by the extension C<$family>, which can be 3331 $facedata = Coro::Storable::thaw $facedata;
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169 3332
2170=item $value = cf::db_get $family => $key 3333 $facedata->{version} == 2
3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
2171 3335
2172Returns a single value from the database 3336 # patch in the exptable
2173 3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174=item cf::db_put $family => $hashref 3338 $facedata->{resource}{"res/exp_table"} = {
2175 3339 type => FT_RSRC,
2176Stores the given family hashref into the database. Updates are delayed, if 3340 data => $exp_table,
2177you want the data to be synced to disk immediately, use C<cf::db_sync>. 3341 hash => (Digest::MD5::md5 $exp_table),
2178
2179=item cf::db_put $family => $key => $value
2180
2181Stores the given C<$value> in the family hash. Updates are delayed, if you
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191
2192=cut
2193
2194our $DB;
2195
2196{
2197 my $path = cf::localdir . "/database.pst";
2198
2199 sub db_load() {
2200 $DB = stat $path ? Storable::retrieve $path : { };
2201 }
2202
2203 my $pid;
2204
2205 sub db_save() {
2206 waitpid $pid, 0 if $pid;
2207 if (0 == ($pid = fork)) {
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 }
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 }); 3342 };
3343 cf::cede_to_tick;
2225 3344
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 } 3345 {
3346 my $faces = $facedata->{faceinfo};
2230 3347
2231 sub db_get($;$) { 3348 while (my ($face, $info) = each %$faces) {
2232 @_ >= 2 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236 3350
2237 sub db_put($$;$) { 3351 cf::face::set_visibility $idx, $info->{visibility};
2238 if (@_ >= 3) { 3352 cf::face::set_magicmap $idx, $info->{magicmap};
2239 $DB->{$_[0]}{$_[1]} = $_[2]; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240 } else { 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245 3355
2246 cf::global->attach ( 3356 cf::cede_to_tick;
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 3357 }
2251 );
2252}
2253 3358
2254############################################################################# 3359 while (my ($face, $info) = each %$faces) {
2255# the server's main() 3360 next unless $info->{smooth};
2256 3361
2257sub 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
2258 open my $fh, "<:utf8", cf::confdir . "/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 3491 or return;
2260 3492
2261 local $/; 3493 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
2263 3495
2264 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265 3497
2266 $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};
2267 $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};
… …
2271 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
2273 }; 3505 };
2274 warn $@ if $@; 3506 warn $@ if $@;
2275 } 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;
2276} 3538}
2277 3539
2278sub main { 3540sub main {
3541 cf::init_globals; # initialise logging
3542
3543 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3544 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3545 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3546 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3547
3548 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3549
2279 # we must not ever block the main coroutine 3550 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 3551 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3552 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282 async { Event::one_event }; 3553 (async {
3554 $Coro::current->{desc} = "IDLE BUG HANDLER";
3555 EV::loop EV::LOOP_ONESHOT;
3556 })->prio (Coro::PRIO_MAX);
2283 }; 3557 };
2284 3558
2285 cfg_load; 3559 evthread_start IO::AIO::poll_fileno;
2286 db_load; 3560
3561 cf::sync_job {
3562 cf::init_experience;
3563 cf::init_anim;
3564 cf::init_attackmess;
3565 cf::init_dynamic;
3566
3567 cf::load_settings;
3568 cf::load_materials;
3569
3570 reload_resources;
3571 reload_config;
3572 db_init;
3573
3574 cf::init_uuid;
3575 cf::init_signals;
3576 cf::init_skills;
3577
3578 cf::init_beforeplay;
3579
3580 atomic;
3581
2287 load_extensions; 3582 load_extensions;
2288 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 cf::object::thawer::errors_are_fatal 0;
3594 warn "parse errors in files are no longer fatal from this point on.\n";
3595
3596 main_loop;
2289} 3597}
2290 3598
2291############################################################################# 3599#############################################################################
2292# initialisation and cleanup 3600# initialisation and cleanup
2293 3601
2294# install some emergency cleanup handlers 3602# install some emergency cleanup handlers
2295BEGIN { 3603BEGIN {
3604 our %SIGWATCHER = ();
2296 for my $signal (qw(INT HUP TERM)) { 3605 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 3606 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2298 data => WF_AUTOCANCEL,
2299 signal => $signal,
2300 cb => sub {
2301 cf::cleanup "SIG$signal"; 3607 cf::cleanup "SIG$signal";
2302 },
2303 ); 3608 };
3609 }
3610}
3611
3612sub write_runtime_sync {
3613 my $t0 = AE::time;
3614
3615 # first touch the runtime file to show we are still running:
3616 # the fsync below can take a very very long time.
3617
3618 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3619
3620 my $guard = cf::lock_acquire "write_runtime";
3621
3622 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3623 or return;
3624
3625 my $value = $cf::RUNTIME + 90 + 10;
3626 # 10 is the runtime save interval, for a monotonic clock
3627 # 60 allows for the watchdog to kill the server.
3628
3629 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3630 and return;
3631
3632 # always fsync - this file is important
3633 aio_fsync $fh
3634 and return;
3635
3636 # touch it again to show we are up-to-date
3637 aio_utime $fh, undef, undef;
3638
3639 close $fh
3640 or return;
3641
3642 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3643 and return;
3644
3645 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3646
2304 } 3647 1
3648}
3649
3650our $uuid_lock;
3651our $uuid_skip;
3652
3653sub write_uuid_sync($) {
3654 $uuid_skip ||= $_[0];
3655
3656 return if $uuid_lock;
3657 local $uuid_lock = 1;
3658
3659 my $uuid = "$LOCALDIR/uuid";
3660
3661 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3662 or return;
3663
3664 my $value = uuid_seq uuid_cur;
3665
3666 unless ($value) {
3667 warn "cowardly refusing to write zero uuid value!\n";
3668 return;
3669 }
3670
3671 my $value = uuid_str $value + $uuid_skip;
3672 $uuid_skip = 0;
3673
3674 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3675 and return;
3676
3677 # always fsync - this file is important
3678 aio_fsync $fh
3679 and return;
3680
3681 close $fh
3682 or return;
3683
3684 aio_rename "$uuid~", $uuid
3685 and return;
3686
3687 warn "uuid file written ($value).\n";
3688
3689 1
3690
3691}
3692
3693sub write_uuid($$) {
3694 my ($skip, $sync) = @_;
3695
3696 $sync ? write_uuid_sync $skip
3697 : async { write_uuid_sync $skip };
2305} 3698}
2306 3699
2307sub emergency_save() { 3700sub emergency_save() {
2308 my $freeze_guard = cf::freeze_mainloop; 3701 my $freeze_guard = cf::freeze_mainloop;
2309 3702
2310 warn "enter emergency perl save\n"; 3703 warn "emergency_perl_save: enter\n";
2311 3704
2312 cf::sync_job { 3705 cf::sync_job {
3706 # this is a trade-off: we want to be very quick here, so
3707 # save all maps without fsync, and later call a global sync
3708 # (which in turn might be very very slow)
3709 local $USE_FSYNC = 0;
3710
2313 # use a peculiar iteration method to avoid tripping on perl 3711 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 3712 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 3713 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 3714 warn "emergency_perl_save: begin player save\n";
2317 for my $login (keys %cf::PLAYER) { 3715 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 3716 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 3717 $pl->valid or next;
3718 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320 $pl->save; 3719 $pl->save;
2321 } 3720 }
2322 warn "end emergency player save\n"; 3721 warn "emergency_perl_save: end player save\n";
2323 3722
2324 warn "begin emergency map save\n"; 3723 warn "emergency_perl_save: begin map save\n";
2325 for my $path (keys %cf::MAP) { 3724 for my $path (keys %cf::MAP) {
2326 my $map = $cf::MAP{$path} or next; 3725 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 3726 $map->valid or next;
2328 $map->save; 3727 $map->save;
2329 } 3728 }
2330 warn "end emergency map save\n"; 3729 warn "emergency_perl_save: end map save\n";
3730
3731 warn "emergency_perl_save: begin database checkpoint\n";
3732 BDB::db_env_txn_checkpoint $DB_ENV;
3733 warn "emergency_perl_save: end database checkpoint\n";
3734
3735 warn "emergency_perl_save: begin write uuid\n";
3736 write_uuid_sync 1;
3737 warn "emergency_perl_save: end write uuid\n";
2331 }; 3738 };
2332 3739
3740 warn "emergency_perl_save: starting sync()\n";
3741 IO::AIO::aio_sync sub {
3742 warn "emergency_perl_save: finished sync()\n";
3743 };
3744
2333 warn "leave emergency perl save\n"; 3745 warn "emergency_perl_save: leave\n";
2334} 3746}
2335 3747
3748sub post_cleanup {
3749 my ($make_core) = @_;
3750
3751 warn Carp::longmess "post_cleanup backtrace"
3752 if $make_core;
3753
3754 my $fh = pidfile;
3755 unlink $PIDFILE if <$fh> == $$;
3756}
3757
3758# a safer delete_package, copied from Symbol
3759sub clear_package($) {
3760 my $pkg = shift;
3761
3762 # expand to full symbol table name if needed
3763 unless ($pkg =~ /^main::.*::$/) {
3764 $pkg = "main$pkg" if $pkg =~ /^::/;
3765 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3766 $pkg .= '::' unless $pkg =~ /::$/;
3767 }
3768
3769 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3770 my $stem_symtab = *{$stem}{HASH};
3771
3772 defined $stem_symtab and exists $stem_symtab->{$leaf}
3773 or return;
3774
3775 # clear all symbols
3776 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3777 for my $name (keys %$leaf_symtab) {
3778 _gv_clear *{"$pkg$name"};
3779# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3780 }
3781 warn "cleared package $pkg\n";#d#
3782}
3783
2336sub reload() { 3784sub do_reload_perl() {
2337 # can/must only be called in main 3785 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 3786 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 3787 warn "can only reload from main coroutine";
2340 return; 3788 return;
2341 } 3789 }
2342 3790
3791 return if $RELOAD++;
3792
3793 my $t1 = AE::time;
3794
3795 while ($RELOAD) {
2343 warn "reloading..."; 3796 warn "reloading...";
2344 3797
2345 my $guard = freeze_mainloop; 3798 warn "entering sync_job";
3799
3800 cf::sync_job {
3801 cf::write_runtime_sync; # external watchdog should not bark
2346 cf::emergency_save; 3802 cf::emergency_save;
3803 cf::write_runtime_sync; # external watchdog should not bark
2347 3804
2348 eval { 3805 warn "syncing database to disk";
3806 BDB::db_env_txn_checkpoint $DB_ENV;
3807
2349 # if anything goes wrong in here, we should simply crash as we already saved 3808 # if anything goes wrong in here, we should simply crash as we already saved
2350 3809
2351 # cancel all watchers 3810 warn "flushing outstanding aio requests";
2352 for (Event::all_watchers) { 3811 while (IO::AIO::nreqs || BDB::nreqs) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 3812 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354 }
2355
2356 # cancel all extension coros
2357 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = ();
2359
2360 # unload all extensions
2361 for (@exts) {
2362 warn "unloading <$_>";
2363 unload_extension $_;
2364 }
2365
2366 # unload all modules loaded from $LIBDIR
2367 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370 warn "removing <$k>";
2371 delete $INC{$k};
2372
2373 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g;
2375
2376 if (my $cb = $k->can ("unload_module")) {
2377 $cb->();
2378 } 3813 }
2379 3814
2380 Symbol::delete_package $k; 3815 warn "cancelling all extension coros";
3816 $_->cancel for values %EXT_CORO;
3817 %EXT_CORO = ();
3818
3819 warn "removing commands";
3820 %COMMAND = ();
3821
3822 warn "removing ext/exti commands";
3823 %EXTCMD = ();
3824 %EXTICMD = ();
3825
3826 warn "unloading/nuking all extensions";
3827 for my $pkg (@EXTS) {
3828 warn "... unloading $pkg";
3829
3830 if (my $cb = $pkg->can ("unload")) {
3831 eval {
3832 $cb->($pkg);
3833 1
3834 } or warn "$pkg unloaded, but with errors: $@";
3835 }
3836
3837 warn "... clearing $pkg";
3838 clear_package $pkg;
2381 } 3839 }
2382 3840
2383 # sync database to disk 3841 warn "unloading all perl modules loaded from $LIBDIR";
2384 cf::db_sync; 3842 while (my ($k, $v) = each %INC) {
2385 IO::AIO::flush; 3843 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386 3844
3845 warn "... unloading $k";
3846 delete $INC{$k};
3847
3848 $k =~ s/\.pm$//;
3849 $k =~ s/\//::/g;
3850
3851 if (my $cb = $k->can ("unload_module")) {
3852 $cb->();
3853 }
3854
3855 clear_package $k;
3856 }
3857
2387 # get rid of safe::, as good as possible 3858 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 3859 clear_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3860 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 3861
2391 # remove register_script_function callbacks 3862 warn "unloading cf.pm \"a bit\"";
2392 # TODO
2393
2394 # unload cf.pm "a bit"
2395 delete $INC{"cf.pm"}; 3863 delete $INC{"cf.pm"};
3864 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396 3865
2397 # don't, removes xs symbols, too, 3866 # don't, removes xs symbols, too,
2398 # and global variables created in xs 3867 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 3868 #clear_package __PACKAGE__;
2400 3869
2401 # reload cf.pm 3870 warn "unload completed, starting to reload now";
3871
2402 warn "reloading cf.pm"; 3872 warn "reloading cf.pm";
2403 require cf; 3873 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3874 cf::_connect_to_perl_1;
2405 3875
2406 # load config and database again 3876 warn "loading config and database again";
2407 cf::cfg_load; 3877 cf::reload_config;
2408 cf::db_load;
2409 3878
2410 # load extensions
2411 warn "load extensions"; 3879 warn "loading extensions";
2412 cf::load_extensions; 3880 cf::load_extensions;
2413 3881
2414 # reattach attachments to objects 3882 if ($REATTACH_ON_RELOAD) {
2415 warn "reattach"; 3883 warn "reattaching attachments to objects/players";
2416 _global_reattach; 3884 _global_reattach; # objects, sockets
3885 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 3886 reattach $_ for values %MAP;
3887 warn "reattaching attachments to players";
3888 reattach $_ for values %PLAYER;
3889 }
3890
3891 warn "running post_init jobs";
3892 (pop @POST_INIT)->(1) while @POST_INIT;
3893
3894 warn "leaving sync_job";
3895
3896 1
3897 } or do {
3898 warn $@;
3899 cf::cleanup "error while reloading, exiting.";
3900 };
3901
3902 warn "reloaded";
3903 --$RELOAD;
3904 }
3905
3906 $t1 = AE::time - $t1;
3907 warn "reload completed in ${t1}s\n";
3908};
3909
3910our $RELOAD_WATCHER; # used only during reload
3911
3912sub reload_perl() {
3913 # doing reload synchronously and two reloads happen back-to-back,
3914 # coro crashes during coro_state_free->destroy here.
3915
3916 $RELOAD_WATCHER ||= cf::async {
3917 Coro::AIO::aio_wait cache_extensions;
3918
3919 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3920 do_reload_perl;
3921 undef $RELOAD_WATCHER;
3922 };
2418 }; 3923 };
2419
2420 if ($@) {
2421 warn $@;
2422 warn "error while reloading, exiting.";
2423 exit 1;
2424 }
2425
2426 warn "reloaded successfully";
2427};
2428
2429#############################################################################
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470} 3924}
2471
2472register "<global>", __PACKAGE__;
2473 3925
2474register_command "reload" => sub { 3926register_command "reload" => sub {
2475 my ($who, $arg) = @_; 3927 my ($who, $arg) = @_;
2476 3928
2477 if ($who->flag (FLAG_WIZ)) { 3929 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload.");
2479 reload;
2480 $who->message ("end of reload."); 3930 $who->message ("reloading server.");
3931 async {
3932 $Coro::current->{desc} = "perl_reload";
3933 reload_perl;
3934 };
2481 } 3935 }
2482}; 3936};
2483 3937
2484unshift @INC, $LIBDIR; 3938unshift @INC, $LIBDIR;
2485 3939
2486$TICK_WATCHER = Event->timer ( 3940my $bug_warning = 0;
2487 reentrant => 0, 3941
2488 prio => 0, 3942our @WAIT_FOR_TICK;
2489 at => $NEXT_TICK || $TICK, 3943our @WAIT_FOR_TICK_BEGIN;
2490 data => WF_AUTOCANCEL, 3944
2491 cb => sub { 3945sub wait_for_tick {
3946 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3947
3948 my $signal = new Coro::Signal;
3949 push @WAIT_FOR_TICK, $signal;
3950 $signal->wait;
3951}
3952
3953sub wait_for_tick_begin {
3954 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3955
3956 my $signal = new Coro::Signal;
3957 push @WAIT_FOR_TICK_BEGIN, $signal;
3958 $signal->wait;
3959}
3960
3961sub tick {
3962 if ($Coro::current != $Coro::main) {
3963 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3964 unless ++$bug_warning > 10;
3965 return;
3966 }
3967
2492 cf::server_tick; # one server iteration 3968 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK;
2495 3969
2496 $WAIT_FOR_TICK->broadcast; 3970 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2498 3971
2499 # if we are delayed by four ticks or more, skip them all 3972 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3973 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501 3974 Coro::async_pool {
2502 $TICK_WATCHER->at ($NEXT_TICK); 3975 $Coro::current->{desc} = "runtime saver";
2503 $TICK_WATCHER->start;
2504 },
2505);
2506
2507IO::AIO::max_poll_time $TICK * 0.2;
2508
2509Event->io (
2510 fd => IO::AIO::poll_fileno,
2511 poll => 'r',
2512 prio => 5,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL,
2519 after => 0,
2520 interval => 10,
2521 cb => sub {
2522 (Coro::unblock_sub {
2523 write_runtime 3976 write_runtime_sync
2524 or warn "ERROR: unable to write runtime file: $!"; 3977 or warn "ERROR: unable to write runtime file: $!";
2525 })->(); 3978 };
2526 }, 3979 }
2527); 3980
3981 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3982 $sig->send;
3983 }
3984 while (my $sig = shift @WAIT_FOR_TICK) {
3985 $sig->send;
3986 }
3987
3988 $LOAD = ($NOW - $TICK_START) / $TICK;
3989 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3990
3991 if (0) {
3992 if ($NEXT_TICK) {
3993 my $jitter = $TICK_START - $NEXT_TICK;
3994 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3995 warn "jitter $JITTER\n";#d#
3996 }
3997 }
3998}
3999
4000{
4001 # configure BDB
4002
4003 BDB::min_parallel 16;
4004 BDB::max_poll_reqs $TICK * 0.1;
4005 $AnyEvent::BDB::WATCHER->priority (1);
4006
4007 unless ($DB_ENV) {
4008 $DB_ENV = BDB::db_env_create;
4009 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4010 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4011 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4012 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4013 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4014
4015 cf::sync_job {
4016 eval {
4017 BDB::db_env_open
4018 $DB_ENV,
4019 $BDBDIR,
4020 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4021 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4022 0666;
4023
4024 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4025 };
4026
4027 cf::cleanup "db_env_open(db): $@" if $@;
4028 };
4029 }
4030
4031 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4032 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4033 };
4034 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4035 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4036 };
4037 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4038 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4039 };
4040}
4041
4042{
4043 # configure IO::AIO
4044
4045 IO::AIO::min_parallel 8;
4046 IO::AIO::max_poll_time $TICK * 0.1;
4047 undef $AnyEvent::AIO::WATCHER;
4048}
4049
4050my $_log_backtrace;
4051
4052sub _log_backtrace {
4053 my ($msg, @addr) = @_;
4054
4055 $msg =~ s/\n//;
4056
4057 # limit the # of concurrent backtraces
4058 if ($_log_backtrace < 2) {
4059 ++$_log_backtrace;
4060 my $perl_bt = Carp::longmess $msg;
4061 async {
4062 $Coro::current->{desc} = "abt $msg";
4063
4064 my @bt = fork_call {
4065 @addr = map { sprintf "%x", $_ } @addr;
4066 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4067 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4068 or die "addr2line: $!";
4069
4070 my @funcs;
4071 my @res = <$fh>;
4072 chomp for @res;
4073 while (@res) {
4074 my ($func, $line) = splice @res, 0, 2, ();
4075 push @funcs, "[$func] $line";
4076 }
4077
4078 @funcs
4079 };
4080
4081 LOG llevInfo, "[ABT] $perl_bt\n";
4082 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4083 LOG llevInfo, "[ABT] $_\n" for @bt;
4084 --$_log_backtrace;
4085 };
4086 } else {
4087 LOG llevInfo, "[ABT] $msg\n";
4088 LOG llevInfo, "[ABT] [suppressed]\n";
4089 }
4090}
4091
4092# load additional modules
4093require "cf/$_.pm" for @EXTRA_MODULES;
4094cf::_connect_to_perl_2;
2528 4095
2529END { cf::emergency_save } 4096END { cf::emergency_save }
2530 4097
25311 40981
2532 4099

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