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Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.527 by root, Fri Apr 23 04:32:47 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
90our %EXT_MAP = (); # pluggable maps
42 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
43our @EVENT; 93our @EVENT;
44our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
45 96
46our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
47our $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 = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 0;#d#
118
119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48our $NEXT_TICK; 121our $NEXT_TICK;
49our $NOW; 122our $USE_FSYNC = 1; # use fsync to write maps - default on
123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
126our $BDB_TRICKLE_WATCHER;
127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript);
50 130
51our %CFG; 131our %CFG;
52 132
53our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
54our $RUNTIME; 134our $RUNTIME;
135our $NOW;
55 136
56our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
57our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
58our $LINK_MAP; # the special {link} map 139our $LINK_MAP; # the special {link} map, which is always available
59our $RANDOM_MAPS = cf::localdir . "/random";
60 140
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 141# used to convert map paths into valid unix filenames by replacing / by ∕
62our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
63 153
64binmode STDOUT; 154binmode STDOUT;
65binmode STDERR; 155binmode STDERR;
66 156
67# read virtual server time, if available 157# read virtual server time, if available
68unless ($RUNTIME || !-e cf::localdir . "/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
69 open my $fh, "<", cf::localdir . "/runtime" 159 open my $fh, "<", $RUNTIMEFILE
70 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
71 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
72} 162}
73 163
74mkdir cf::localdir; 164eval "sub TICK() { $TICK } 1" or die;
75mkdir cf::localdir . "/" . cf::playerdir;
76mkdir cf::localdir . "/" . cf::tmpdir;
77mkdir cf::localdir . "/" . cf::uniquedir;
78mkdir $RANDOM_MAPS;
79 165
80# a special map that is always available 166mkdir $_
81our $LINK_MAP; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
168
82our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
170
171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83 187
84############################################################################# 188#############################################################################
85 189
86=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
87 191
… …
94=item $cf::RUNTIME 198=item $cf::RUNTIME
95 199
96The time this server has run, starts at 0 and is increased by $cf::TICK on 200The time this server has run, starts at 0 and is increased by $cf::TICK on
97every server tick. 201every server tick.
98 202
99=item $cf::LIBDIR 203=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
204$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
205$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100 206
101The perl library directory, where extensions and cf-specific modules can 207Various directories - "/etc", read-only install directory, perl-library
102be found. It will be added to C<@INC> automatically. 208directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
209unique-items directory, player file directory, random maps directory and
210database environment.
103 211
104=item $cf::NOW 212=item $cf::NOW
105 213
106The time of the last (current) server tick. 214The time of the last (current) server tick.
107 215
108=item $cf::TICK 216=item $cf::TICK
109 217
110The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
111 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
112=item %cf::CFG 230=item %cf::CFG
113 231
114Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115from wherever your confdir points to. 233from wherever your confdir points to.
116 234
117=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 235=item cf::wait_for_tick, cf::wait_for_tick_begin
118 236
119These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 238returns directly I<after> the tick processing (and consequently, can only wake one process
121processing has been done. Call C<< ->wait >> on them to maximise the 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122window of cpu time available, or simply to synchronise to the server tick. 240
241=item @cf::INVOKE_RESULTS
242
243This array contains the results of the last C<invoke ()> call. When
244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
245that call.
246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
123 252
124=back 253=back
125 254
126=cut 255=cut
127 256
128BEGIN { 257$Coro::State::WARNHOOK = sub {
129 *CORE::GLOBAL::warn = sub {
130 my $msg = join "", @_; 258 my $msg = join "", @_;
131 utf8::encode $msg;
132 259
133 $msg .= "\n" 260 $msg .= "\n"
134 unless $msg =~ /\n$/; 261 unless $msg =~ /\n$/;
135 262
263 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
264
136 LOG llevError, $msg; 265 LOG llevError, $msg;
137 }; 266};
138} 267
268$Coro::State::DIEHOOK = sub {
269 return unless $^S eq 0; # "eq", not "=="
270
271 warn Carp::longmess $_[0];
272
273 if (in_main) {#d#
274 warn "DIEHOOK called in main context, Coro bug?\n";#d#
275 return;#d#
276 }#d#
277
278 # kill coroutine otherwise
279 Coro::terminate
280};
139 281
140@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 282@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 283@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 284@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 285@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 286@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
287@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 288@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146 289
147# we bless all objects into (empty) derived classes to force a method lookup 290# we bless all objects into (empty) derived classes to force a method lookup
148# within the Safe compartment. 291# within the Safe compartment.
149for my $pkg (qw( 292for my $pkg (qw(
150 cf::global cf::attachable 293 cf::global cf::attachable
151 cf::object cf::object::player 294 cf::object cf::object::player
152 cf::client cf::player 295 cf::client cf::player
153 cf::arch cf::living 296 cf::arch cf::living
297 cf::map cf::mapspace
154 cf::map cf::party cf::region 298 cf::party cf::region
155)) { 299)) {
156 no strict 'refs';
157 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 300 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158} 301}
159 302
160$Event::DIED = sub { 303$EV::DIED = sub {
161 warn "error in event callback: @_"; 304 Carp::cluck "error in event callback: @_";
162}; 305};
306
307#############################################################################
163 308
164=head2 UTILITY FUNCTIONS 309=head2 UTILITY FUNCTIONS
165 310
166=over 4 311=over 4
167 312
… …
186 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 331 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187 $d 332 $d
188 } || "[unable to dump $_[0]: '$@']"; 333 } || "[unable to dump $_[0]: '$@']";
189} 334}
190 335
191use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193=item $ref = cf::from_json $json 336=item $ref = cf::decode_json $json
194 337
195Converts a JSON string into the corresponding perl data structure. 338Converts a JSON string into the corresponding perl data structure.
196 339
197=cut
198
199sub from_json($) {
200 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201 JSON::Syck::Load $_[0]
202}
203
204=item $json = cf::to_json $ref 340=item $json = cf::encode_json $ref
205 341
206Converts a perl data structure into its JSON representation. 342Converts a perl data structure into its JSON representation.
207 343
208=cut 344=cut
209 345
210sub to_json($) { 346our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 347
212 JSON::Syck::Dump $_[0] 348sub encode_json($) { $json_coder->encode ($_[0]) }
349sub decode_json($) { $json_coder->decode ($_[0]) }
350
351=item cf::post_init { BLOCK }
352
353Execute the given codeblock, I<after> all extensions have been (re-)loaded,
354but I<before> the server starts ticking again.
355
356The cdoeblock will have a single boolean argument to indicate whether this
357is a reload or not.
358
359=cut
360
361sub post_init(&) {
362 push @POST_INIT, shift;
213} 363}
214 364
215=item cf::lock_wait $string 365=item cf::lock_wait $string
216 366
217Wait until the given lock is available. See cf::lock_acquire. 367Wait until the given lock is available. See cf::lock_acquire.
218 368
219=item my $lock = cf::lock_acquire $string 369=item my $lock = cf::lock_acquire $string
220 370
221Wait until the given lock is available and then acquires it and returns 371Wait until the given lock is available and then acquires it and returns
222a Coro::guard object. If the guard object gets destroyed (goes out of scope, 372a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223for example when the coroutine gets canceled), the lock is automatically 373for example when the coroutine gets canceled), the lock is automatically
224returned. 374returned.
225 375
376Locks are *not* recursive, locking from the same coro twice results in a
377deadlocked coro.
378
226Lock names should begin with a unique identifier (for example, cf::map::find 379Lock names should begin with a unique identifier (for example, cf::map::find
227uses map_find and cf::map::load uses map_load). 380uses map_find and cf::map::load uses map_load).
228 381
229=cut 382=item $locked = cf::lock_active $string
230 383
231our %LOCK; 384Return true if the lock is currently active, i.e. somebody has locked it.
385
386=cut
387
388our $LOCKS = new Coro::SemaphoreSet;
232 389
233sub lock_wait($) { 390sub lock_wait($) {
234 my ($key) = @_; 391 $LOCKS->wait ($_[0]);
235
236 # wait for lock, if any
237 while ($LOCK{$key}) {
238 push @{ $LOCK{$key} }, $Coro::current;
239 Coro::schedule;
240 }
241} 392}
242 393
243sub lock_acquire($) { 394sub lock_acquire($) {
244 my ($key) = @_; 395 $LOCKS->guard ($_[0])
396}
245 397
246 # wait, to be sure we are not locked 398sub lock_active($) {
247 lock_wait $key; 399 $LOCKS->count ($_[0]) < 1
248
249 $LOCK{$key} = [];
250
251 Coro::guard {
252 # wake up all waiters, to be on the safe side
253 $_->ready for @{ delete $LOCK{$key} };
254 }
255} 400}
256 401
257sub freeze_mainloop { 402sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active; 403 tick_inhibit_inc;
259 404
260 my $guard = Coro::guard { $TICK_WATCHER->start }; 405 &Guard::guard (\&tick_inhibit_dec);
261 $TICK_WATCHER->stop; 406}
262 $guard 407
408=item cf::periodic $interval, $cb
409
410Like EV::periodic, but randomly selects a starting point so that the actions
411get spread over time.
412
413=cut
414
415sub periodic($$) {
416 my ($interval, $cb) = @_;
417
418 my $start = rand List::Util::min 180, $interval;
419
420 EV::periodic $start, $interval, 0, $cb
421}
422
423=item cf::get_slot $time[, $priority[, $name]]
424
425Allocate $time seconds of blocking CPU time at priority C<$priority>:
426This call blocks and returns only when you have at least C<$time> seconds
427of cpu time till the next tick. The slot is only valid till the next cede.
428
429The optional C<$name> can be used to identify the job to run. It might be
430used for statistical purposes and should identify the same time-class.
431
432Useful for short background jobs.
433
434=cut
435
436our @SLOT_QUEUE;
437our $SLOT_QUEUE;
438our $SLOT_DECAY = 0.9;
439
440$SLOT_QUEUE->cancel if $SLOT_QUEUE;
441$SLOT_QUEUE = Coro::async {
442 $Coro::current->desc ("timeslot manager");
443
444 my $signal = new Coro::Signal;
445 my $busy;
446
447 while () {
448 next_job:
449
450 my $avail = cf::till_tick;
451
452 for (0 .. $#SLOT_QUEUE) {
453 if ($SLOT_QUEUE[$_][0] <= $avail) {
454 $busy = 0;
455 my $job = splice @SLOT_QUEUE, $_, 1, ();
456 $job->[2]->send;
457 Coro::cede;
458 goto next_job;
459 } else {
460 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
461 }
462 }
463
464 if (@SLOT_QUEUE) {
465 # we do not use wait_for_tick() as it returns immediately when tick is inactive
466 push @cf::WAIT_FOR_TICK, $signal;
467 $signal->wait;
468 } else {
469 $busy = 0;
470 Coro::schedule;
471 }
472 }
473};
474
475sub get_slot($;$$) {
476 return if tick_inhibit || $Coro::current == $Coro::main;
477
478 my ($time, $pri, $name) = @_;
479
480 $time = clamp $time, 0.01, $TICK * .6;
481
482 my $sig = new Coro::Signal;
483
484 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
485 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
486 $SLOT_QUEUE->ready;
487 $sig->wait;
263} 488}
264 489
265=item cf::async { BLOCK } 490=item cf::async { BLOCK }
266 491
267Currently the same as Coro::async_pool, meaning you cannot use 492Currently the same as Coro::async_pool, meaning you cannot use
… …
272 497
273BEGIN { *async = \&Coro::async_pool } 498BEGIN { *async = \&Coro::async_pool }
274 499
275=item cf::sync_job { BLOCK } 500=item cf::sync_job { BLOCK }
276 501
277The design of crossfire+ requires that the main coro ($Coro::main) is 502The design of Deliantra requires that the main coroutine ($Coro::main)
278always able to handle events or runnable, as crossfire+ is only partly 503is always able to handle events or runnable, as Deliantra is only
279reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 504partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
505acceptable.
280 506
281If it must be done, put the blocking parts into C<sync_job>. This will run 507If it must be done, put the blocking parts into C<sync_job>. This will run
282the given BLOCK in another coroutine while waiting for the result. The 508the given BLOCK in another coroutine while waiting for the result. The
283server will be frozen during this time, so the block should either finish 509server will be frozen during this time, so the block should either finish
284fast or be very important. 510fast or be very important.
… …
287 513
288sub sync_job(&) { 514sub sync_job(&) {
289 my ($job) = @_; 515 my ($job) = @_;
290 516
291 if ($Coro::current == $Coro::main) { 517 if ($Coro::current == $Coro::main) {
518 my $time = AE::time;
519
292 # this is the main coro, too bad, we have to block 520 # this is the main coro, too bad, we have to block
293 # till the operation succeeds, freezing the server :/ 521 # till the operation succeeds, freezing the server :/
294 522
295 # TODO: use suspend/resume instead 523 LOG llevError, Carp::longmess "sync job";#d#
296 # (but this is cancel-safe) 524
297 my $freeze_guard = freeze_mainloop; 525 my $freeze_guard = freeze_mainloop;
298 526
299 my $busy = 1; 527 my $busy = 1;
300 my @res; 528 my @res;
301 529
302 (async { 530 (async {
531 $Coro::current->desc ("sync job coro");
303 @res = eval { $job->() }; 532 @res = eval { $job->() };
304 warn $@ if $@; 533 warn $@ if $@;
305 undef $busy; 534 undef $busy;
306 })->prio (Coro::PRIO_MAX); 535 })->prio (Coro::PRIO_MAX);
307 536
308 while ($busy) { 537 while ($busy) {
309 Coro::cede or Event::one_event; 538 if (Coro::nready) {
539 Coro::cede_notself;
540 } else {
541 EV::loop EV::LOOP_ONESHOT;
310 } 542 }
543 }
544
545 my $time = AE::time - $time;
546
547 $TICK_START += $time; # do not account sync jobs to server load
311 548
312 wantarray ? @res : $res[0] 549 wantarray ? @res : $res[0]
313 } else { 550 } else {
314 # we are in another coroutine, how wonderful, everything just works 551 # we are in another coroutine, how wonderful, everything just works
315 552
… …
335 $EXT_CORO{$coro+0} = $coro; 572 $EXT_CORO{$coro+0} = $coro;
336 573
337 $coro 574 $coro
338} 575}
339 576
340sub write_runtime { 577=item fork_call { }, $args
341 my $runtime = cf::localdir . "/runtime";
342 578
343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 579Executes the given code block with the given arguments in a seperate
344 or return; 580process, returning the results. Everything must be serialisable with
581Coro::Storable. May, of course, block. Note that the executed sub may
582never block itself or use any form of event handling.
345 583
346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 584=cut
347 (aio_write $fh, 0, (length $value), $value, 0) <= 0
348 and return;
349 585
350 aio_fsync $fh 586sub fork_call(&@) {
351 and return; 587 my ($cb, @args) = @_;
352 588
353 close $fh 589 # we seemingly have to make a local copy of the whole thing,
354 or return; 590 # otherwise perl prematurely frees the stuff :/
591 # TODO: investigate and fix (likely this will be rather laborious)
355 592
356 aio_rename "$runtime~", $runtime 593 my @res = Coro::Util::fork_eval {
357 and return; 594 reset_signals;
595 &$cb
596 }, @args;
358 597
598 wantarray ? @res : $res[-1]
599}
600
601sub objinfo {
359 1 602 (
603 "counter value" => cf::object::object_count,
604 "objects created" => cf::object::create_count,
605 "objects destroyed" => cf::object::destroy_count,
606 "freelist size" => cf::object::free_count,
607 "allocated objects" => cf::object::objects_size,
608 "active objects" => cf::object::actives_size,
609 )
610}
611
612=item $coin = coin_from_name $name
613
614=cut
615
616our %coin_alias = (
617 "silver" => "silvercoin",
618 "silvercoin" => "silvercoin",
619 "silvercoins" => "silvercoin",
620 "gold" => "goldcoin",
621 "goldcoin" => "goldcoin",
622 "goldcoins" => "goldcoin",
623 "platinum" => "platinacoin",
624 "platinumcoin" => "platinacoin",
625 "platinumcoins" => "platinacoin",
626 "platina" => "platinacoin",
627 "platinacoin" => "platinacoin",
628 "platinacoins" => "platinacoin",
629 "royalty" => "royalty",
630 "royalties" => "royalty",
631);
632
633sub coin_from_name($) {
634 $coin_alias{$_[0]}
635 ? cf::arch::find $coin_alias{$_[0]}
636 : undef
637}
638
639=item $value = cf::db_get $family => $key
640
641Returns a single value from the environment database.
642
643=item cf::db_put $family => $key => $value
644
645Stores the given C<$value> in the family. It can currently store binary
646data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
647
648=item $db = cf::db_table "name"
649
650Create and/or open a new database table. The string must not be "db" and must be unique
651within each server.
652
653=cut
654
655sub db_table($) {
656 my ($name) = @_;
657 my $db = BDB::db_create $DB_ENV;
658
659 eval {
660 $db->set_flags (BDB::CHKSUM);
661
662 utf8::encode $name;
663 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
664 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
665 cf::cleanup "db_open(db): $!" if $!;
666 };
667 cf::cleanup "db_open(db): $@" if $@;
668
669 $db
670}
671
672our $DB;
673
674sub db_init {
675 cf::sync_job {
676 $DB ||= db_table "db";
677 };
678}
679
680sub db_get($$) {
681 my $key = "$_[0]/$_[1]";
682
683 cf::sync_job {
684 BDB::db_get $DB, undef, $key, my $data;
685
686 $! ? ()
687 : $data
688 }
689}
690
691sub db_put($$$) {
692 BDB::dbreq_pri 4;
693 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
694}
695
696=item cf::cache $id => [$paths...], $processversion => $process
697
698Generic caching function that returns the value of the resource $id,
699caching and regenerating as required.
700
701This function can block.
702
703=cut
704
705sub cache {
706 my ($id, $src, $processversion, $process) = @_;
707
708 my $meta =
709 join "\x00",
710 $processversion,
711 map {
712 aio_stat $_
713 and Carp::croak "$_: $!";
714
715 ($_, (stat _)[7,9])
716 } @$src;
717
718 my $dbmeta = db_get cache => "$id/meta";
719 if ($dbmeta ne $meta) {
720 # changed, we may need to process
721
722 my @data;
723 my $md5;
724
725 for (0 .. $#$src) {
726 0 <= aio_load $src->[$_], $data[$_]
727 or Carp::croak "$src->[$_]: $!";
728 }
729
730 # if processing is expensive, check
731 # checksum first
732 if (1) {
733 $md5 =
734 join "\x00",
735 $processversion,
736 map {
737 cf::cede_to_tick;
738 ($src->[$_], Digest::MD5::md5_hex $data[$_])
739 } 0.. $#$src;
740
741
742 my $dbmd5 = db_get cache => "$id/md5";
743 if ($dbmd5 eq $md5) {
744 db_put cache => "$id/meta", $meta;
745
746 return db_get cache => "$id/data";
747 }
748 }
749
750 my $t1 = Time::HiRes::time;
751 my $data = $process->(\@data);
752 my $t2 = Time::HiRes::time;
753
754 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
755
756 db_put cache => "$id/data", $data;
757 db_put cache => "$id/md5" , $md5;
758 db_put cache => "$id/meta", $meta;
759
760 return $data;
761 }
762
763 db_get cache => "$id/data"
764}
765
766=item cf::datalog type => key => value, ...
767
768Log a datalog packet of the given type with the given key-value pairs.
769
770=cut
771
772sub datalog($@) {
773 my ($type, %kv) = @_;
774 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360} 775}
361 776
362=back 777=back
363 778
364=cut 779=cut
365 780
366############################################################################# 781#############################################################################
367 782
368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376sub new {
377 my ($class, $path, $base) = @_;
378
379 $path = $path->as_string if ref $path;
380
381 my $self = bless { }, $class;
382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
395 } elsif ($path =~ s{^\?random/}{}) {
396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397 $self->{random} = cf::from_json $data;
398 } else {
399 if ($path =~ s{^~([^/]+)?}{}) {
400 $self->{user_rel} = 1;
401
402 if (defined $1) {
403 $self->{user} = $1;
404 } elsif ($base =~ m{^~([^/]+)/}) {
405 $self->{user} = $1;
406 } else {
407 warn "cannot resolve user-relative path without user <$path,$base>\n";
408 }
409 } elsif ($path =~ /^\//) {
410 # already absolute
411 } else {
412 $base =~ s{[^/]+/?$}{};
413 return $class->new ("$base/$path");
414 }
415
416 for ($path) {
417 redo if s{/\.?/}{/};
418 redo if s{/[^/]+/\.\./}{/};
419 }
420 }
421
422 $self->{path} = $path;
423
424 $self
425}
426
427# the name / primary key / in-game path
428sub as_string {
429 my ($self) = @_;
430
431 $self->{user_rel} ? "~$self->{user}$self->{path}"
432 : $self->{random} ? "?random/$self->{path}"
433 : $self->{path}
434}
435
436# the displayed name, this is a one way mapping
437sub visible_name {
438 my ($self) = @_;
439
440# if (my $rmp = $self->{random}) {
441# # todo: be more intelligent about this
442# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443# } else {
444 $self->as_string
445# }
446}
447
448# escape the /'s in the path
449sub _escaped_path {
450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451 $path
452}
453
454# the original (read-only) location
455sub load_path {
456 my ($self) = @_;
457
458 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459}
460
461# the temporary/swap location
462sub save_path {
463 my ($self) = @_;
464
465 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468}
469
470# the unique path, might be eq to save_path
471sub uniq_path {
472 my ($self) = @_;
473
474 $self->{user_rel} || $self->{random}
475 ? undef
476 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477}
478
479# return random map parameters, or undef
480sub random_map_params {
481 my ($self) = @_;
482
483 $self->{random}
484}
485
486# this is somewhat ugly, but style maps do need special treatment
487sub is_style_map {
488 $_[0]{path} =~ m{^/styles/}
489}
490
491package cf;
492
493#############################################################################
494
495=head2 ATTACHABLE OBJECTS 783=head2 ATTACHABLE OBJECTS
496 784
497Many objects in crossfire are so-called attachable objects. That means you can 785Many objects in deliantra are so-called attachable objects. That means you can
498attach callbacks/event handlers (a collection of which is called an "attachment") 786attach callbacks/event handlers (a collection of which is called an "attachment")
499to it. All such attachable objects support the following methods. 787to it. All such attachable objects support the following methods.
500 788
501In the following description, CLASS can be any of C<global>, C<object> 789In the following description, CLASS can be any of C<global>, C<object>
502C<player>, C<client> or C<map> (i.e. the attachable objects in 790C<player>, C<client> or C<map> (i.e. the attachable objects in
503crossfire+). 791Deliantra).
504 792
505=over 4 793=over 4
506 794
507=item $attachable->attach ($attachment, key => $value...) 795=item $attachable->attach ($attachment, key => $value...)
508 796
… …
552=item cf::CLASS::attachment $name, ... 840=item cf::CLASS::attachment $name, ...
553 841
554Register an attachment by C<$name> through which attachable objects of the 842Register an attachment by C<$name> through which attachable objects of the
555given CLASS can refer to this attachment. 843given CLASS can refer to this attachment.
556 844
557Some classes such as crossfire maps and objects can specify attachments 845Some classes such as deliantra maps and objects can specify attachments
558that are attached at load/instantiate time, thus the need for a name. 846that are attached at load/instantiate time, thus the need for a name.
559 847
560These calls expect any number of the following handler/hook descriptions: 848These calls expect any number of the following handler/hook descriptions:
561 849
562=over 4 850=over 4
… …
622our @CB_TYPE = (); # registry for type (cf-object class) based events 910our @CB_TYPE = (); # registry for type (cf-object class) based events
623our @CB_MAP = (); 911our @CB_MAP = ();
624 912
625my %attachment; 913my %attachment;
626 914
915sub cf::attachable::thawer_merge {
916 # simply override everything except _meta
917 local $_[0]{_meta};
918 %{$_[0]} = %{$_[1]};
919}
920
627sub _attach_cb($$$$) { 921sub _attach_cb($$$$) {
628 my ($registry, $event, $prio, $cb) = @_; 922 my ($registry, $event, $prio, $cb) = @_;
629 923
630 use sort 'stable'; 924 use sort 'stable';
631 925
… …
665 $registry = $CB_TYPE[$object_type] ||= []; 959 $registry = $CB_TYPE[$object_type] ||= [];
666 960
667 } elsif ($type eq "subtype") { 961 } elsif ($type eq "subtype") {
668 defined $object_type or Carp::croak "subtype specified without type"; 962 defined $object_type or Carp::croak "subtype specified without type";
669 my $object_subtype = shift @arg; 963 my $object_subtype = shift @arg;
670 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 964 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671 965
672 } elsif ($type eq "package") { 966 } elsif ($type eq "package") {
673 my $pkg = shift @arg; 967 my $pkg = shift @arg;
674 968
675 while (my ($name, $id) = each %cb_id) { 969 while (my ($name, $id) = each %cb_id) {
… …
704 _attach $registry, $klass, @attach; 998 _attach $registry, $klass, @attach;
705 } 999 }
706 1000
707 $obj->{$name} = \%arg; 1001 $obj->{$name} = \%arg;
708 } else { 1002 } else {
709 warn "object uses attachment '$name' that is not available, postponing.\n"; 1003 warn "object uses attachment '$name' which is not available, postponing.\n";
710 } 1004 }
711 1005
712 $obj->{_attachment}{$name} = undef; 1006 $obj->{_attachment}{$name} = undef;
713} 1007}
714 1008
… …
716 if (ref $_[0]) { 1010 if (ref $_[0]) {
717 _object_attach @_; 1011 _object_attach @_;
718 } else { 1012 } else {
719 _attach shift->_attach_registry, @_; 1013 _attach shift->_attach_registry, @_;
720 } 1014 }
1015 _recalc_want;
721}; 1016};
722 1017
723# all those should be optimised 1018# all those should be optimised
724sub cf::attachable::detach { 1019sub cf::attachable::detach {
725 my ($obj, $name) = @_; 1020 my ($obj, $name) = @_;
… …
728 delete $obj->{_attachment}{$name}; 1023 delete $obj->{_attachment}{$name};
729 reattach ($obj); 1024 reattach ($obj);
730 } else { 1025 } else {
731 Carp::croak "cannot, currently, detach class attachments"; 1026 Carp::croak "cannot, currently, detach class attachments";
732 } 1027 }
1028 _recalc_want;
733}; 1029};
734 1030
735sub cf::attachable::attached { 1031sub cf::attachable::attached {
736 my ($obj, $name) = @_; 1032 my ($obj, $name) = @_;
737 1033
… …
752 "; 1048 ";
753 die if $@; 1049 die if $@;
754} 1050}
755 1051
756our $override; 1052our $override;
757our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1053our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758 1054
759sub override { 1055sub override {
760 $override = 1; 1056 $override = 1;
761 @invoke_results = (); 1057 @INVOKE_RESULTS = (@_);
762} 1058}
763 1059
764sub do_invoke { 1060sub do_invoke {
765 my $event = shift; 1061 my $event = shift;
766 my $callbacks = shift; 1062 my $callbacks = shift;
767 1063
768 @invoke_results = (); 1064 @INVOKE_RESULTS = ();
769 1065
770 local $override; 1066 local $override;
771 1067
772 for (@$callbacks) { 1068 for (@$callbacks) {
773 eval { &{$_->[1]} }; 1069 eval { &{$_->[1]} };
… …
782 } 1078 }
783 1079
784 0 1080 0
785} 1081}
786 1082
787=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1083=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788 1084
789=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1085=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790 1086
791Generate an object-specific event with the given arguments. 1087Generate an object-specific event with the given arguments.
792 1088
793This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1089This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794removed in future versions), and there is no public API to access override 1090removed in future versions), and there is no public API to access override
795results (if you must, access C<@cf::invoke_results> directly). 1091results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796 1092
797=back 1093=back
798 1094
799=cut 1095=cut
800 1096
801############################################################################# 1097#############################################################################
802# object support 1098# object support
1099
1100sub _object_equal($$);
1101sub _object_equal($$) {
1102 my ($a, $b) = @_;
1103
1104 return 0 unless (ref $a) eq (ref $b);
1105
1106 if ("HASH" eq ref $a) {
1107 my @ka = keys %$a;
1108 my @kb = keys %$b;
1109
1110 return 0 if @ka != @kb;
1111
1112 for (0 .. $#ka) {
1113 return 0 unless $ka[$_] eq $kb[$_];
1114 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1115 }
1116
1117 } elsif ("ARRAY" eq ref $a) {
1118
1119 return 0 if @$a != @$b;
1120
1121 for (0 .. $#$a) {
1122 return 0 unless _object_equal $a->[$_], $b->[$_];
1123 }
1124
1125 } elsif ($a ne $b) {
1126 return 0;
1127 }
1128
1129 1
1130}
1131
1132our $SLOW_MERGES;#d#
1133sub _can_merge {
1134 my ($ob1, $ob2) = @_;
1135
1136 ++$SLOW_MERGES;#d#
1137
1138 # we do the slow way here
1139 return _object_equal $ob1, $ob2
1140}
803 1141
804sub reattach { 1142sub reattach {
805 # basically do the same as instantiate, without calling instantiate 1143 # basically do the same as instantiate, without calling instantiate
806 my ($obj) = @_; 1144 my ($obj) = @_;
1145
1146 # no longer needed after getting rid of delete_package?
1147 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807 1148
808 my $registry = $obj->registry; 1149 my $registry = $obj->registry;
809 1150
810 @$registry = (); 1151 @$registry = ();
811 1152
… …
826cf::attachable->attach ( 1167cf::attachable->attach (
827 prio => -1000000, 1168 prio => -1000000,
828 on_instantiate => sub { 1169 on_instantiate => sub {
829 my ($obj, $data) = @_; 1170 my ($obj, $data) = @_;
830 1171
831 $data = from_json $data; 1172 $data = decode_json $data;
832 1173
833 for (@$data) { 1174 for (@$data) {
834 my ($name, $args) = @$_; 1175 my ($name, $args) = @$_;
835 1176
836 $obj->attach ($name, %{$args || {} }); 1177 $obj->attach ($name, %{$args || {} });
… …
852sub object_freezer_save { 1193sub object_freezer_save {
853 my ($filename, $rdata, $objs) = @_; 1194 my ($filename, $rdata, $objs) = @_;
854 1195
855 sync_job { 1196 sync_job {
856 if (length $$rdata) { 1197 if (length $$rdata) {
1198 utf8::decode (my $decname = $filename);
857 warn sprintf "saving %s (%d,%d)\n", 1199 warn sprintf "saving %s (%d,%d)\n",
858 $filename, length $$rdata, scalar @$objs; 1200 $decname, length $$rdata, scalar @$objs
1201 if $VERBOSE_IO;
859 1202
860 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1203 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861 chmod SAVE_MODE, $fh; 1204 aio_chmod $fh, SAVE_MODE;
862 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1205 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1206 if ($cf::USE_FSYNC) {
1207 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;
863 aio_fsync $fh; 1208 aio_fsync $fh;
1209 }
864 close $fh; 1210 aio_close $fh;
865 1211
866 if (@$objs) { 1212 if (@$objs) {
867 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1213 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868 chmod SAVE_MODE, $fh; 1214 aio_chmod $fh, SAVE_MODE;
869 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1215 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870 aio_write $fh, 0, (length $data), $data, 0; 1216 aio_write $fh, 0, (length $data), $data, 0;
1217 if ($cf::USE_FSYNC) {
1218 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;
871 aio_fsync $fh; 1219 aio_fsync $fh;
1220 }
872 close $fh; 1221 aio_close $fh;
873 aio_rename "$filename.pst~", "$filename.pst"; 1222 aio_rename "$filename.pst~", "$filename.pst";
874 } 1223 }
875 } else { 1224 } else {
876 aio_unlink "$filename.pst"; 1225 aio_unlink "$filename.pst";
877 } 1226 }
878 1227
879 aio_rename "$filename~", $filename; 1228 aio_rename "$filename~", $filename;
1229
1230 $filename =~ s%/[^/]+$%%;
1231 aio_pathsync $filename if $cf::USE_FSYNC;
880 } else { 1232 } else {
881 warn "FATAL: $filename~: $!\n"; 1233 warn "unable to save objects: $filename~: $!\n";
882 } 1234 }
883 } else { 1235 } else {
884 aio_unlink $filename; 1236 aio_unlink $filename;
885 aio_unlink "$filename.pst"; 1237 aio_unlink "$filename.pst";
886 } 1238 }
887 } 1239 };
888} 1240}
889 1241
890sub object_freezer_as_string { 1242sub object_freezer_as_string {
891 my ($rdata, $objs) = @_; 1243 my ($rdata, $objs) = @_;
892 1244
… …
904 or return; 1256 or return;
905 1257
906 unless (aio_stat "$filename.pst") { 1258 unless (aio_stat "$filename.pst") {
907 (aio_load "$filename.pst", $av) >= 0 1259 (aio_load "$filename.pst", $av) >= 0
908 or return; 1260 or return;
1261
909 $av = eval { (Storable::thaw $av)->{objs} }; 1262 my $st = eval { Coro::Storable::thaw $av };
1263 $av = $st->{objs};
910 } 1264 }
911 1265
1266 utf8::decode (my $decname = $filename);
912 warn sprintf "loading %s (%d)\n", 1267 warn sprintf "loading %s (%d,%d)\n",
913 $filename, length $data, scalar @{$av || []};#d# 1268 $decname, length $data, scalar @{$av || []}
1269 if $VERBOSE_IO;
1270
914 return ($data, $av); 1271 ($data, $av)
915} 1272}
1273
1274=head2 COMMAND CALLBACKS
1275
1276=over 4
1277
1278=cut
916 1279
917############################################################################# 1280#############################################################################
918# command handling &c 1281# command handling &c
919 1282
920=item cf::register_command $name => \&callback($ob,$args); 1283=item cf::register_command $name => \&callback($ob,$args);
… …
933 push @{ $COMMAND{$name} }, [$caller, $cb]; 1296 push @{ $COMMAND{$name} }, [$caller, $cb];
934} 1297}
935 1298
936=item cf::register_extcmd $name => \&callback($pl,$packet); 1299=item cf::register_extcmd $name => \&callback($pl,$packet);
937 1300
938Register a callbackf ro execution when the client sends an extcmd packet. 1301Register a callback for execution when the client sends an (synchronous)
1302extcmd packet. Ext commands will be processed in the order they are
1303received by the server, like other user commands. The first argument is
1304the logged-in player. Ext commands can only be processed after a player
1305has logged in successfully.
939 1306
940If the callback returns something, it is sent back as if reply was being 1307If the callback returns something, it is sent back as if reply was being
941called. 1308called.
942 1309
1310=item cf::register_exticmd $name => \&callback($ns,$packet);
1311
1312Register a callback for execution when the client sends an (asynchronous)
1313exticmd packet. Exti commands are processed by the server as soon as they
1314are received, i.e. out of order w.r.t. other commands. The first argument
1315is a client socket. Exti commands can be received anytime, even before
1316log-in.
1317
1318If the callback returns something, it is sent back as if reply was being
1319called.
1320
943=cut 1321=cut
944 1322
945sub register_extcmd { 1323sub register_extcmd {
946 my ($name, $cb) = @_; 1324 my ($name, $cb) = @_;
947 1325
948 $EXTCMD{$name} = $cb; 1326 $EXTCMD{$name} = $cb;
949} 1327}
950 1328
1329sub register_exticmd {
1330 my ($name, $cb) = @_;
1331
1332 $EXTICMD{$name} = $cb;
1333}
1334
1335use File::Glob ();
1336
951cf::player->attach ( 1337cf::player->attach (
952 on_command => sub { 1338 on_unknown_command => sub {
953 my ($pl, $name, $params) = @_; 1339 my ($pl, $name, $params) = @_;
954 1340
955 my $cb = $COMMAND{$name} 1341 my $cb = $COMMAND{$name}
956 or return; 1342 or return;
957 1343
… …
962 cf::override; 1348 cf::override;
963 }, 1349 },
964 on_extcmd => sub { 1350 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1351 my ($pl, $buf) = @_;
966 1352
967 my $msg = eval { from_json $buf }; 1353 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1354
969 if (ref $msg) { 1355 if (ref $msg) {
1356 my ($type, $reply, @payload) =
1357 "ARRAY" eq ref $msg
1358 ? @$msg
1359 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1360
1361 my @reply;
1362
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1363 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->($pl, $msg)) { 1364 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1365 }
1366
1367 $pl->ext_reply ($reply, @reply)
1368 if $reply;
1369
975 } else { 1370 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1371 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1372 }
978 1373
979 cf::override; 1374 cf::override;
980 }, 1375 },
981); 1376);
982 1377
1378# "readahead" all extensions
983sub load_extension { 1379sub cache_extensions {
984 my ($path) = @_; 1380 my $grp = IO::AIO::aio_group;
985 1381
986 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1382 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987 my $base = $1; 1383 for (grep /\.ext$/, @{$_[0]}) {
988 my $pkg = $1; 1384 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989 $pkg =~ s/[^[:word:]]/_/g; 1385 }
990 $pkg = "ext::$pkg"; 1386 };
991 1387
992 warn "loading '$path' into '$pkg'\n"; 1388 $grp
993
994 open my $fh, "<:utf8", $path
995 or die "$path: $!";
996
997 my $source =
998 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> })
1001 . "\n};\n1";
1002
1003 eval $source
1004 or die $@ ? "$path: $@\n"
1005 : "extension disabled.\n";
1006
1007 push @EXTS, $pkg;
1008} 1389}
1009 1390
1010sub load_extensions { 1391sub load_extensions {
1392 cf::sync_job {
1393 my %todo;
1394
1011 for my $ext (<$LIBDIR/*.ext>) { 1395 for my $path (<$LIBDIR/*.ext>) {
1012 next unless -r $ext; 1396 next unless -r $path;
1013 eval { 1397
1014 load_extension $ext; 1398 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1399 my $base = $1;
1400 my $pkg = $1;
1401 $pkg =~ s/[^[:word:]]/_/g;
1402 $pkg = "ext::$pkg";
1403
1404 open my $fh, "<:utf8", $path
1405 or die "$path: $!";
1406
1407 my $source = do { local $/; <$fh> };
1408
1409 my %ext = (
1410 path => $path,
1411 base => $base,
1412 pkg => $pkg,
1413 );
1414
1415 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1416 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1417
1418 $ext{source} =
1419 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1420 . "#line 1 \"$path\"\n{\n"
1421 . $source
1422 . "\n};\n1";
1423
1424 $todo{$base} = \%ext;
1425 }
1426
1427 my $pass = 0;
1428 my %done;
1429 while (%todo) {
1430 my $progress;
1431
1432 ++$pass;
1433
1434 ext:
1435 while (my ($k, $v) = each %todo) {
1436 for (split /,\s*/, $v->{meta}{depends}) {
1437 next ext
1438 unless exists $done{$_};
1439 }
1440
1441 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1442
1443 my $active = eval $v->{source};
1444
1445 if (length $@) {
1446 warn "$v->{path}: $@\n";
1447
1448 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1449 if exists $v->{meta}{mandatory};
1450
1451 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1452 delete $todo{$k};
1453 } else {
1454 $done{$k} = delete $todo{$k};
1455 push @EXTS, $v->{pkg};
1456 $progress = 1;
1457
1458 warn "$v->{base}: extension inactive.\n"
1459 unless $active;
1460 }
1015 1 1461 }
1016 } or warn "$ext not loaded: $@"; 1462
1463 unless ($progress) {
1464 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1465
1466 while (my ($k, $v) = each %todo) {
1467 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1468 if exists $v->{meta}{mandatory};
1469 }
1470 }
1471 }
1017 } 1472 };
1018} 1473}
1019 1474
1020############################################################################# 1475#############################################################################
1021# load/save/clean perl data associated with a map
1022 1476
1023*cf::mapsupport::on_clean = sub { 1477=back
1024 my ($map) = @_;
1025
1026 my $path = $map->tmpname;
1027 defined $path or return;
1028
1029 unlink "$path.pst";
1030};
1031
1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034#############################################################################
1035 1478
1036=head2 CORE EXTENSIONS 1479=head2 CORE EXTENSIONS
1037 1480
1038Functions and methods that extend core crossfire objects. 1481Functions and methods that extend core deliantra objects.
1039 1482
1040=cut 1483=cut
1041 1484
1042package cf::player; 1485package cf::player;
1043 1486
… …
1045 1488
1046=head3 cf::player 1489=head3 cf::player
1047 1490
1048=over 4 1491=over 4
1049 1492
1493=item cf::player::num_playing
1494
1495Returns the official number of playing players, as per the Crossfire metaserver rules.
1496
1497=cut
1498
1499sub num_playing {
1500 scalar grep
1501 $_->ob->map
1502 && !$_->hidden
1503 && !$_->ob->flag (cf::FLAG_WIZ),
1504 cf::player::list
1505}
1506
1050=item cf::player::find $login 1507=item cf::player::find $login
1051 1508
1052Returns the given player object, loading it if necessary (might block). 1509Returns the given player object, loading it if necessary (might block).
1053 1510
1054=cut 1511=cut
1055 1512
1056sub playerdir($) { 1513sub playerdir($) {
1057 cf::localdir 1514 "$PLAYERDIR/"
1058 . "/"
1059 . cf::playerdir
1060 . "/"
1061 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1515 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1062} 1516}
1063 1517
1064sub path($) { 1518sub path($) {
1065 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1519 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066 1520
1067 (playerdir $login) . "/$login.pl" 1521 (playerdir $login) . "/playerdata"
1068} 1522}
1069 1523
1070sub find_active($) { 1524sub find_active($) {
1071 $cf::PLAYER{$_[0]} 1525 $cf::PLAYER{$_[0]}
1072 and $cf::PLAYER{$_[0]}->active 1526 and $cf::PLAYER{$_[0]}->active
… …
1075 1529
1076sub exists($) { 1530sub exists($) {
1077 my ($login) = @_; 1531 my ($login) = @_;
1078 1532
1079 $cf::PLAYER{$login} 1533 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login } 1534 or !aio_stat path $login
1081} 1535}
1082 1536
1083sub find($) { 1537sub find($) {
1084 return $cf::PLAYER{$_[0]} || do { 1538 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0]; 1539 my $login = $_[0];
1086 1540
1087 my $guard = cf::lock_acquire "user_find:$login"; 1541 my $guard = cf::lock_acquire "user_find:$login";
1088 1542
1089 $cf::PLAYER{$_[0]} || do { 1543 $cf::PLAYER{$_[0]} || do {
1090 my $pl = load_pl path $login 1544 # rename old playerfiles to new ones
1545 #TODO: remove when no longer required
1546 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1547 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1548 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1549 aio_unlink +(playerdir $login) . "/$login.pl";
1550
1551 my $f = new_from_file cf::object::thawer path $login
1091 or return; 1552 or return;
1553
1554 my $pl = cf::player::load_pl $f
1555 or return;
1556
1557 local $cf::PLAYER_LOADING{$login} = $pl;
1558 $f->resolve_delayed_derefs;
1092 $cf::PLAYER{$login} = $pl 1559 $cf::PLAYER{$login} = $pl
1093 } 1560 }
1094 } 1561 }
1095} 1562}
1563
1564cf::player->attach (
1565 on_load => sub {
1566 my ($pl, $path) = @_;
1567
1568 # restore slots saved in save, below
1569 my $slots = delete $pl->{_slots};
1570
1571 $pl->ob->current_weapon ($slots->[0]);
1572 $pl->combat_ob ($slots->[1]);
1573 $pl->ranged_ob ($slots->[2]);
1574 },
1575);
1096 1576
1097sub save($) { 1577sub save($) {
1098 my ($pl) = @_; 1578 my ($pl) = @_;
1099 1579
1100 return if $pl->{deny_save}; 1580 return if $pl->{deny_save};
… …
1105 return if $pl->{deny_save}; 1585 return if $pl->{deny_save};
1106 1586
1107 aio_mkdir playerdir $pl, 0770; 1587 aio_mkdir playerdir $pl, 0770;
1108 $pl->{last_save} = $cf::RUNTIME; 1588 $pl->{last_save} = $cf::RUNTIME;
1109 1589
1590 cf::get_slot 0.01;
1591
1592 # save slots, to be restored later
1593 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1594
1110 $pl->save_pl ($path); 1595 $pl->save_pl ($path);
1111 Coro::cede; 1596 cf::cede_to_tick;
1112} 1597}
1113 1598
1114sub new($) { 1599sub new($) {
1115 my ($login) = @_; 1600 my ($login) = @_;
1116 1601
… …
1122 $cf::PLAYER{$login} = $self; 1607 $cf::PLAYER{$login} = $self;
1123 1608
1124 $self 1609 $self
1125} 1610}
1126 1611
1612=item $player->send_msg ($channel, $msg, $color, [extra...])
1613
1614=cut
1615
1616sub send_msg {
1617 my $ns = shift->ns
1618 or return;
1619 $ns->send_msg (@_);
1620}
1621
1127=item $pl->quit_character 1622=item $pl->quit_character
1128 1623
1129Nukes the player without looking back. If logged in, the connection will 1624Nukes the player without looking back. If logged in, the connection will
1130be destroyed. May block for a long time. 1625be destroyed. May block for a long time.
1131 1626
1132=cut 1627=cut
1133 1628
1134sub quit_character { 1629sub quit_character {
1135 my ($pl) = @_; 1630 my ($pl) = @_;
1136 1631
1632 my $name = $pl->ob->name;
1633
1137 $pl->{deny_save} = 1; 1634 $pl->{deny_save} = 1;
1138 $pl->password ("*"); # this should lock out the player until we nuked the dir 1635 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1139 1636
1140 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1637 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141 $pl->deactivate; 1638 $pl->deactivate;
1639 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1640 $pl->ob->check_score;
1142 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1641 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1143 $pl->ns->destroy if $pl->ns; 1642 $pl->ns->destroy if $pl->ns;
1144 1643
1145 my $path = playerdir $pl; 1644 my $path = playerdir $pl;
1146 my $temp = "$path~$cf::RUNTIME~deleting~"; 1645 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 aio_rename $path, $temp; 1646 aio_rename $path, $temp;
1148 delete $cf::PLAYER{$pl->ob->name}; 1647 delete $cf::PLAYER{$pl->ob->name};
1149 $pl->destroy; 1648 $pl->destroy;
1649
1650 my $prefix = qr<^~\Q$name\E/>;
1651
1652 # nuke player maps
1653 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1654
1150 IO::AIO::aio_rmtree $temp; 1655 IO::AIO::aio_rmtree $temp;
1656}
1657
1658=item $pl->kick
1659
1660Kicks a player out of the game. This destroys the connection.
1661
1662=cut
1663
1664sub kick {
1665 my ($pl, $kicker) = @_;
1666
1667 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1668 $pl->killer ("kicked");
1669 $pl->ns->destroy;
1151} 1670}
1152 1671
1153=item cf::player::list_logins 1672=item cf::player::list_logins
1154 1673
1155Returns am arrayref of all valid playernames in the system, can take a 1674Returns am arrayref of all valid playernames in the system, can take a
1156while and may block, so not sync_job-capable, ever. 1675while and may block, so not sync_job-capable, ever.
1157 1676
1158=cut 1677=cut
1159 1678
1160sub list_logins { 1679sub list_logins {
1161 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1680 my $dirs = aio_readdir $PLAYERDIR
1162 or return []; 1681 or return [];
1163 1682
1164 my @logins; 1683 my @logins;
1165 1684
1166 for my $login (@$dirs) { 1685 for my $login (@$dirs) {
1686 my $path = path $login;
1687
1688 # a .pst is a dead give-away for a valid player
1689 # if no pst file found, open and chekc for blocked users
1690 if (aio_stat "$path.pst") {
1167 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1691 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168 aio_read $fh, 0, 512, my $buf, 0 or next; 1692 aio_read $fh, 0, 512, my $buf, 0 or next;
1169 $buf !~ /^password -------------$/m or next; # official not-valid tag 1693 $buf !~ /^password -------------$/m or next; # official not-valid tag
1694 }
1170 1695
1171 utf8::decode $login; 1696 utf8::decode $login;
1172 push @logins, $login; 1697 push @logins, $login;
1173 } 1698 }
1174 1699
1175 \@logins 1700 \@logins
1176} 1701}
1177 1702
1178=item $player->maps 1703=item $player->maps
1179 1704
1705=item cf::player::maps $login
1706
1180Returns an arrayref of cf::path's of all maps that are private for this 1707Returns an arrayref of map paths that are private for this
1181player. May block. 1708player. May block.
1182 1709
1183=cut 1710=cut
1184 1711
1185sub maps($) { 1712sub maps($) {
1186 my ($pl) = @_; 1713 my ($pl) = @_;
1714
1715 $pl = ref $pl ? $pl->ob->name : $pl;
1187 1716
1188 my $files = aio_readdir playerdir $pl 1717 my $files = aio_readdir playerdir $pl
1189 or return; 1718 or return;
1190 1719
1191 my @paths; 1720 my @paths;
… …
1193 for (@$files) { 1722 for (@$files) {
1194 utf8::decode $_; 1723 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/; 1724 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o; 1725 next unless /^$PATH_SEP/o;
1197 1726
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1727 push @paths, cf::map::normalise "~$pl/$_";
1199 } 1728 }
1200 1729
1201 \@paths 1730 \@paths
1202} 1731}
1203 1732
1733=item $protocol_xml = $player->expand_cfpod ($cfpod)
1734
1735Expand deliantra pod fragments into protocol xml.
1736
1204=item $player->ext_reply ($msgid, $msgtype, %msg) 1737=item $player->ext_reply ($msgid, @msg)
1205 1738
1206Sends an ext reply to the player. 1739Sends an ext reply to the player.
1207 1740
1208=cut 1741=cut
1209 1742
1210sub ext_reply($$$%) { 1743sub ext_reply($$@) {
1211 my ($self, $id, %msg) = @_; 1744 my ($self, $id, @msg) = @_;
1212 1745
1213 $msg{msgid} = $id; 1746 $self->ns->ext_reply ($id, @msg)
1214
1215 $self->send ("ext " . cf::to_json \%msg);
1216} 1747}
1217 1748
1218package cf; 1749=item $player->ext_msg ($type, @msg)
1750
1751Sends an ext event to the client.
1752
1753=cut
1754
1755sub ext_msg($$@) {
1756 my ($self, $type, @msg) = @_;
1757
1758 $self->ns->ext_msg ($type, @msg);
1759}
1760
1761=head3 cf::region
1762
1763=over 4
1764
1765=cut
1766
1767package cf::region;
1768
1769=item cf::region::find_by_path $path
1770
1771Tries to decuce the likely region for a map knowing only its path.
1772
1773=cut
1774
1775sub find_by_path($) {
1776 my ($path) = @_;
1777
1778 $path =~ s/^~[^\/]*//; # skip ~login
1779
1780 my ($match, $specificity);
1781
1782 for my $region (list) {
1783 if ($region->{match} && $path =~ $region->{match}) {
1784 ($match, $specificity) = ($region, $region->specificity)
1785 if $region->specificity > $specificity;
1786 }
1787 }
1788
1789 $match
1790}
1219 1791
1220=back 1792=back
1221
1222 1793
1223=head3 cf::map 1794=head3 cf::map
1224 1795
1225=over 4 1796=over 4
1226 1797
… …
1229package cf::map; 1800package cf::map;
1230 1801
1231use Fcntl; 1802use Fcntl;
1232use Coro::AIO; 1803use Coro::AIO;
1233 1804
1805use overload
1806 '""' => \&as_string,
1807 fallback => 1;
1808
1234our $MAX_RESET = 3600; 1809our $MAX_RESET = 3600;
1235our $DEFAULT_RESET = 3000; 1810our $DEFAULT_RESET = 3000;
1236 1811
1237sub generate_random_map { 1812sub generate_random_map {
1238 my ($path, $rmp) = @_; 1813 my ($self, $rmp) = @_;
1814
1815 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239 1816
1240 # mit "rum" bekleckern, nicht 1817 # mit "rum" bekleckern, nicht
1241 cf::map::_create_random_map 1818 $self->_create_random_map (
1242 $path,
1243 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1819 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1820 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1245 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1821 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246 $rmp->{exit_on_final_map}, 1822 $rmp->{exit_on_final_map},
1247 $rmp->{xsize}, $rmp->{ysize}, 1823 $rmp->{xsize}, $rmp->{ysize},
1248 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1824 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1825 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1826 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1827 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1828 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253 (cf::region::find $rmp->{region}) 1829 (cf::region::find $rmp->{region}), $rmp->{custom}
1830 )
1254} 1831}
1255 1832
1256# and all this just because we cannot iterate over 1833=item cf::map->register ($regex, $prio)
1257# all maps in C++...
1258sub change_all_map_light {
1259 my ($change) = @_;
1260 1834
1261 $_->change_map_light ($change) 1835Register a handler for the map path matching the given regex at the
1262 for grep $_->outdoor, values %cf::MAP; 1836givne priority (higher is better, built-in handlers have priority 0, the
1263} 1837default).
1264 1838
1265sub try_load_header($) { 1839=cut
1840
1841sub register {
1842 my (undef, $regex, $prio) = @_;
1843 my $pkg = caller;
1844
1845 no strict;
1846 push @{"$pkg\::ISA"}, __PACKAGE__;
1847
1848 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1849}
1850
1851# also paths starting with '/'
1852$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1853
1854sub thawer_merge {
1855 my ($self, $merge) = @_;
1856
1857 # we have to keep some variables in memory intact
1858 local $self->{path};
1859 local $self->{load_path};
1860
1861 $self->SUPER::thawer_merge ($merge);
1862}
1863
1864sub normalise {
1266 my ($path) = @_; 1865 my ($path, $base) = @_;
1866
1867 $path = "$path"; # make sure its a string
1868
1869 $path =~ s/\.map$//;
1870
1871 # map plan:
1872 #
1873 # /! non-realised random map exit (special hack!)
1874 # {... are special paths that are not being touched
1875 # ?xxx/... are special absolute paths
1876 # ?random/... random maps
1877 # /... normal maps
1878 # ~user/... per-player map of a specific user
1879
1880 $path =~ s/$PATH_SEP/\//go;
1881
1882 # treat it as relative path if it starts with
1883 # something that looks reasonable
1884 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1885 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1886
1887 $base =~ s{[^/]+/?$}{};
1888 $path = "$base/$path";
1889 }
1890
1891 for ($path) {
1892 redo if s{//}{/};
1893 redo if s{/\.?/}{/};
1894 redo if s{/[^/]+/\.\./}{/};
1895 }
1896
1897 $path
1898}
1899
1900sub new_from_path {
1901 my (undef, $path, $base) = @_;
1902
1903 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1904
1905 $path = normalise $path, $base;
1906
1907 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1908 if ($path =~ $EXT_MAP{$pkg}[1]) {
1909 my $self = bless cf::map::new, $pkg;
1910 $self->{path} = $path; $self->path ($path);
1911 $self->init; # pass $1 etc.
1912 return $self;
1913 }
1914 }
1915
1916 Carp::cluck "unable to resolve path '$path' (base '$base').";
1917 ()
1918}
1919
1920sub init {
1921 my ($self) = @_;
1922
1923 $self
1924}
1925
1926sub as_string {
1927 my ($self) = @_;
1928
1929 "$self->{path}"
1930}
1931
1932# the displayed name, this is a one way mapping
1933sub visible_name {
1934 &as_string
1935}
1936
1937# the original (read-only) location
1938sub load_path {
1939 my ($self) = @_;
1940
1941 "$MAPDIR/$self->{path}.map"
1942}
1943
1944# the temporary/swap location
1945sub save_path {
1946 my ($self) = @_;
1947
1948 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1949 "$TMPDIR/$path.map"
1950}
1951
1952# the unique path, undef == no special unique path
1953sub uniq_path {
1954 my ($self) = @_;
1955
1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1957 "$UNIQUEDIR/$path"
1958}
1959
1960sub decay_objects {
1961 my ($self) = @_;
1962
1963 return if $self->{deny_reset};
1964
1965 $self->do_decay_objects;
1966}
1967
1968sub unlink_save {
1969 my ($self) = @_;
1970
1971 utf8::encode (my $save = $self->save_path);
1972 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1973 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1974}
1975
1976sub load_header_from($) {
1977 my ($self, $path) = @_;
1267 1978
1268 utf8::encode $path; 1979 utf8::encode $path;
1269 aio_open $path, O_RDONLY, 0 1980 my $f = new_from_file cf::object::thawer $path
1270 or return; 1981 or return;
1271 1982
1272 my $map = cf::map::new 1983 $self->_load_header ($f)
1273 or return; 1984 or return;
1274 1985
1275 # for better error messages only, will be overwritten 1986 local $MAP_LOADING{$self->{path}} = $self;
1276 $map->path ($path); 1987 $f->resolve_delayed_derefs;
1277 1988
1278 $map->load_header ($path) 1989 $self->{load_path} = $path;
1990
1991 1
1992}
1993
1994sub load_header_orig {
1995 my ($self) = @_;
1996
1997 $self->load_header_from ($self->load_path)
1998}
1999
2000sub load_header_temp {
2001 my ($self) = @_;
2002
2003 $self->load_header_from ($self->save_path)
2004}
2005
2006sub prepare_temp {
2007 my ($self) = @_;
2008
2009 $self->last_access ((delete $self->{last_access})
2010 || $cf::RUNTIME); #d#
2011 # safety
2012 $self->{instantiate_time} = $cf::RUNTIME
2013 if $self->{instantiate_time} > $cf::RUNTIME;
2014}
2015
2016sub prepare_orig {
2017 my ($self) = @_;
2018
2019 $self->{load_original} = 1;
2020 $self->{instantiate_time} = $cf::RUNTIME;
2021 $self->last_access ($cf::RUNTIME);
2022 $self->instantiate;
2023}
2024
2025sub load_header {
2026 my ($self) = @_;
2027
2028 if ($self->load_header_temp) {
2029 $self->prepare_temp;
2030 } else {
2031 $self->load_header_orig
1279 or return; 2032 or return;
2033 $self->prepare_orig;
2034 }
1280 2035
1281 $map->{load_path} = $path; 2036 $self->{deny_reset} = 1
2037 if $self->no_reset;
1282 2038
1283 $map 2039 $self->default_region (cf::region::find_by_path $self->{path})
2040 unless $self->default_region;
2041
2042 1
1284} 2043}
1285 2044
1286sub find; 2045sub find;
1287sub find { 2046sub find {
1288 my ($path, $origin) = @_; 2047 my ($path, $origin) = @_;
1289 2048
1290 #warn "find<$path,$origin>\n";#d#
1291
1292 $path = new cf::path $path, $origin && $origin->path; 2049 $path = normalise $path, $origin && $origin->path;
1293 my $key = $path->as_string;
1294 2050
1295 cf::lock_wait "map_find:$key"; 2051 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297 $cf::MAP{$key} || do {
1298 my $guard = cf::lock_acquire "map_find:$key"; 2052 my $guard2 = cf::lock_acquire "map_find:$path";
1299 2053
1300 # do it the slow way 2054 $cf::MAP{$path} || do {
1301 my $map = try_load_header $path->save_path; 2055 my $map = new_from_path cf::map $path
1302
1303 Coro::cede;
1304
1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1308 # safety
1309 $map->{instantiate_time} = $cf::RUNTIME
1310 if $map->{instantiate_time} > $cf::RUNTIME;
1311 } else {
1312 if (my $rmp = $path->random_map_params) {
1313 $map = generate_random_map $key, $rmp;
1314 } else {
1315 $map = try_load_header $path->load_path;
1316 }
1317
1318 $map or return; 2056 or return;
1319 2057
1320 $map->{load_original} = 1;
1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1323 $map->instantiate;
1324
1325 # per-player maps become, after loading, normal maps
1326 $map->per_player (0) if $path->{user_rel};
1327 }
1328
1329 $map->path ($key);
1330 $map->{path} = $path;
1331 $map->{last_save} = $cf::RUNTIME; 2058 $map->{last_save} = $cf::RUNTIME;
1332 2059
1333 Coro::cede; 2060 $map->load_header
2061 or return;
1334 2062
1335 if ($map->should_reset) { 2063 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2064 # doing this can freeze the server in a sync job, obviously
2065 #$cf::WAIT_FOR_TICK->wait;
2066 undef $guard2;
2067 undef $guard1;
1336 $map->reset; 2068 $map->reset;
1337 undef $guard;
1338 $map = find $path 2069 return find $path;
1339 or return;
1340 } 2070 }
1341 2071
1342 $cf::MAP{$key} = $map 2072 $cf::MAP{$path} = $map
1343 } 2073 }
1344} 2074}
2075
2076sub pre_load { }
2077#sub post_load { } # XS
1345 2078
1346sub load { 2079sub load {
1347 my ($self) = @_; 2080 my ($self) = @_;
1348 2081
2082 local $self->{deny_reset} = 1; # loading can take a long time
2083
1349 my $path = $self->{path}; 2084 my $path = $self->{path};
2085
2086 {
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2087 my $guard = cf::lock_acquire "map_data:$path";
1351 2088
2089 return unless $self->valid;
1352 return if $self->in_memory != cf::MAP_SWAPPED; 2090 return unless $self->in_memory == cf::MAP_SWAPPED;
1353 2091
1354 $self->in_memory (cf::MAP_LOADING); 2092 $self->in_memory (cf::MAP_LOADING);
1355 2093
1356 $self->alloc; 2094 $self->alloc;
1357 $self->load_objects ($self->{load_path}, 1) 2095
2096 $self->pre_load;
2097 cf::cede_to_tick;
2098
2099 my $f = new_from_file cf::object::thawer $self->{load_path};
2100 $f->skip_block;
2101 $self->_load_objects ($f)
1358 or return; 2102 or return;
1359 2103
1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2104 $self->post_load_original
1361 if delete $self->{load_original}; 2105 if delete $self->{load_original};
1362 2106
1363 if (my $uniq = $path->uniq_path) { 2107 if (my $uniq = $self->uniq_path) {
1364 utf8::encode $uniq; 2108 utf8::encode $uniq;
1365 if (aio_open $uniq, O_RDONLY, 0) { 2109 unless (aio_stat $uniq) {
2110 if (my $f = new_from_file cf::object::thawer $uniq) {
1366 $self->clear_unique_items; 2111 $self->clear_unique_items;
1367 $self->load_objects ($uniq, 0); 2112 $self->_load_objects ($f);
2113 $f->resolve_delayed_derefs;
2114 }
1368 } 2115 }
1369 } 2116 }
1370 2117
1371 Coro::cede; 2118 $f->resolve_delayed_derefs;
1372 2119
2120 cf::cede_to_tick;
1373 # now do the right thing for maps 2121 # now do the right thing for maps
1374 $self->link_multipart_objects; 2122 $self->link_multipart_objects;
1375
1376 if ($self->{path}->is_style_map) {
1377 $self->{deny_save} = 1;
1378 $self->{deny_reset} = 1;
1379 } else {
1380 $self->fix_auto_apply;
1381 $self->decay_objects;
1382 $self->update_buttons;
1383 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 2123 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 2124 unless $self->difficulty;
2125 cf::cede_to_tick;
2126
2127 unless ($self->{deny_activate}) {
2128 $self->decay_objects;
2129 $self->fix_auto_apply;
2130 $self->update_buttons;
2131 cf::cede_to_tick;
1386 $self->activate; 2132 $self->activate;
1387 } 2133 }
1388 2134
1389 Coro::cede; 2135 $self->{last_save} = $cf::RUNTIME;
2136 $self->last_access ($cf::RUNTIME);
1390 2137
1391 $self->in_memory (cf::MAP_IN_MEMORY); 2138 $self->in_memory (cf::MAP_ACTIVE);
2139 }
2140
2141 $self->post_load;
2142}
2143
2144# customize the map for a given player, i.e.
2145# return the _real_ map. used by e.g. per-player
2146# maps to change the path to ~playername/mappath
2147sub customise_for {
2148 my ($self, $ob) = @_;
2149
2150 return find "~" . $ob->name . "/" . $self->{path}
2151 if $self->per_player;
2152
2153# return find "?party/" . $ob->name . "/" . $self->{path}
2154# if $self->per_party;
2155
2156 $self
1392} 2157}
1393 2158
1394# find and load all maps in the 3x3 area around a map 2159# find and load all maps in the 3x3 area around a map
1395sub load_diag { 2160sub load_neighbours {
1396 my ($map) = @_; 2161 my ($map) = @_;
1397 2162
1398 my @diag; # diagonal neighbours 2163 my @neigh; # diagonal neighbours
1399 2164
1400 for (0 .. 3) { 2165 for (0 .. 3) {
1401 my $neigh = $map->tile_path ($_) 2166 my $neigh = $map->tile_path ($_)
1402 or next; 2167 or next;
1403 $neigh = find $neigh, $map 2168 $neigh = find $neigh, $map
1404 or next; 2169 or next;
1405 $neigh->load; 2170 $neigh->load;
1406 2171
2172 # now find the diagonal neighbours
2173 push @neigh,
1407 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2174 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1408 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2175 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1409 } 2176 }
1410 2177
1411 for (@diag) { 2178 for (grep defined $_->[0], @neigh) {
2179 my ($path, $origin) = @$_;
1412 my $neigh = find @$_ 2180 my $neigh = find $path, $origin
1413 or next; 2181 or next;
1414 $neigh->load; 2182 $neigh->load;
1415 } 2183 }
1416} 2184}
1417 2185
… …
1422} 2190}
1423 2191
1424sub do_load_sync { 2192sub do_load_sync {
1425 my ($map) = @_; 2193 my ($map) = @_;
1426 2194
2195 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2196 if $Coro::current == $Coro::main;
2197
1427 cf::sync_job { $map->load }; 2198 cf::sync_job { $map->load };
1428} 2199}
1429 2200
1430our %MAP_PREFETCH; 2201our %MAP_PREFETCH;
2202our $MAP_PREFETCHER = undef;
2203
2204sub find_async {
2205 my ($path, $origin, $load) = @_;
2206
2207 $path = normalise $path, $origin && $origin->{path};
2208
2209 if (my $map = $cf::MAP{$path}) {
2210 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2211 }
2212
2213 $MAP_PREFETCH{$path} |= $load;
2214
1431our $MAP_PREFETCHER = Coro::async { 2215 $MAP_PREFETCHER ||= cf::async {
1432 while () { 2216 $Coro::current->{desc} = "map prefetcher";
2217
1433 while (%MAP_PREFETCH) { 2218 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH 2219 while (my ($k, $v) = each %MAP_PREFETCH) {
1435 or next; 2220 if (my $map = find $k) {
2221 $map->load if $v;
2222 }
2223
1436 my $path = delete $MAP_PREFETCH{$key}; 2224 delete $MAP_PREFETCH{$k};
1437
1438 my $map = find $path
1439 or next;
1440 $map->load;
1441 } 2225 }
1442 Coro::schedule; 2226 }
2227 undef $MAP_PREFETCHER;
1443 } 2228 };
1444};
1445
1446sub find_async {
1447 my ($path, $origin) = @_;
1448
1449 $path = new cf::path $path, $origin && $origin->path;
1450 my $key = $path->as_string;
1451
1452 if (my $map = $cf::MAP{$key}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 }
1455
1456 $MAP_PREFETCH{$key} = $path;
1457 $MAP_PREFETCHER->ready; 2229 $MAP_PREFETCHER->prio (6);
1458 2230
1459 () 2231 ()
2232}
2233
2234# common code, used by both ->save and ->swapout
2235sub _save {
2236 my ($self) = @_;
2237
2238 $self->{last_save} = $cf::RUNTIME;
2239
2240 return unless $self->dirty;
2241
2242 my $save = $self->save_path; utf8::encode $save;
2243 my $uniq = $self->uniq_path; utf8::encode $uniq;
2244
2245 $self->{load_path} = $save;
2246
2247 return if $self->{deny_save};
2248
2249 local $self->{last_access} = $self->last_access;#d#
2250
2251 cf::async {
2252 $Coro::current->{desc} = "map player save";
2253 $_->contr->save for $self->players;
2254 };
2255
2256 cf::get_slot 0.02;
2257
2258 if ($uniq) {
2259 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2260 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2261 } else {
2262 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2263 }
1460} 2264}
1461 2265
1462sub save { 2266sub save {
1463 my ($self) = @_; 2267 my ($self) = @_;
1464 2268
1465 my $lock = cf::lock_acquire "map_data:" . $self->path; 2269 my $lock = cf::lock_acquire "map_data:$self->{path}";
1466 2270
1467 $self->{last_save} = $cf::RUNTIME; 2271 $self->_save;
1468
1469 return unless $self->dirty;
1470
1471 my $save = $self->{path}->save_path; utf8::encode $save;
1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1473
1474 $self->{load_path} = $save;
1475
1476 return if $self->{deny_save};
1477
1478 local $self->{last_access} = $self->last_access;#d#
1479
1480 cf::async {
1481 $_->contr->save for $self->players;
1482 };
1483
1484 if ($uniq) {
1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486 $self->save_objects ($uniq, cf::IO_UNIQUES);
1487 } else {
1488 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489 }
1490} 2272}
1491 2273
1492sub swap_out { 2274sub swap_out {
1493 my ($self) = @_; 2275 my ($self) = @_;
1494 2276
1495 # save first because save cedes
1496 $self->save;
1497
1498 my $lock = cf::lock_acquire "map_data:" . $self->path; 2277 my $lock = cf::lock_acquire "map_data:$self->{path}";
1499 2278
2279 return if $self->in_memory != cf::MAP_ACTIVE;
2280 return if $self->{deny_save};
1500 return if $self->players; 2281 return if $self->players;
1501 return if $self->in_memory != cf::MAP_IN_MEMORY;
1502 return if $self->{deny_save};
1503 2282
2283 # first deactivate the map and "unlink" it from the core
2284 $self->deactivate;
2285 $_->clear_links_to ($self) for values %cf::MAP;
2286 $self->in_memory (cf::MAP_SWAPPED);
2287
2288 # then atomically save
2289 $self->_save;
2290
2291 # then free the map
1504 $self->clear; 2292 $self->clear;
1505 $self->in_memory (cf::MAP_SWAPPED);
1506} 2293}
1507 2294
1508sub reset_at { 2295sub reset_at {
1509 my ($self) = @_; 2296 my ($self) = @_;
1510 2297
1511 # TODO: safety, remove and allow resettable per-player maps 2298 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel};
1513 return 1e99 if $self->{deny_reset}; 2299 return 1e99 if $self->{deny_reset};
1514 2300
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2301 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2302 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517 2303
… …
1522 my ($self) = @_; 2308 my ($self) = @_;
1523 2309
1524 $self->reset_at <= $cf::RUNTIME 2310 $self->reset_at <= $cf::RUNTIME
1525} 2311}
1526 2312
1527sub unlink_save {
1528 my ($self) = @_;
1529
1530 utf8::encode (my $save = $self->{path}->save_path);
1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533}
1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1548sub reset { 2313sub reset {
1549 my ($self) = @_; 2314 my ($self) = @_;
1550 2315
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 2316 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 2317
1553 return if $self->players; 2318 return if $self->players;
1554 return if $self->{path}{user_rel};#d#
1555 2319
1556 warn "resetting map ", $self->path;#d# 2320 warn "resetting map ", $self->path, "\n";
2321
2322 $self->in_memory (cf::MAP_SWAPPED);
2323
2324 # need to save uniques path
2325 unless ($self->{deny_save}) {
2326 my $uniq = $self->uniq_path; utf8::encode $uniq;
2327
2328 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2329 if $uniq;
2330 }
1557 2331
1558 delete $cf::MAP{$self->path}; 2332 delete $cf::MAP{$self->path};
1559 2333
2334 $self->deactivate;
1560 $_->clear_links_to ($self) for values %cf::MAP; 2335 $_->clear_links_to ($self) for values %cf::MAP;
2336 $self->clear;
1561 2337
1562 $self->unlink_save; 2338 $self->unlink_save;
1563 $self->destroy; 2339 $self->destroy;
1564} 2340}
1565 2341
1566my $nuke_counter = "aaaa"; 2342my $nuke_counter = "aaaa";
1567 2343
1568sub nuke { 2344sub nuke {
1569 my ($self) = @_; 2345 my ($self) = @_;
1570 2346
2347 {
2348 my $lock = cf::lock_acquire "map_data:$self->{path}";
2349
2350 delete $cf::MAP{$self->path};
2351
2352 $self->unlink_save;
2353
2354 bless $self, "cf::map::wrap";
2355 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 2356 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 2357 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++)); 2358 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2359
2360 $cf::MAP{$self->path} = $self;
2361 }
2362
1574 $self->reset; # polite request, might not happen 2363 $self->reset; # polite request, might not happen
1575} 2364}
1576 2365
1577sub customise_for { 2366=item $maps = cf::map::tmp_maps
1578 my ($map, $ob) = @_;
1579 2367
1580 if ($map->per_player) { 2368Returns an arrayref with all map paths of currently instantiated and saved
1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2369maps. May block.
2370
2371=cut
2372
2373sub tmp_maps() {
1582 } 2374 [
2375 map {
2376 utf8::decode $_;
2377 /\.map$/
2378 ? normalise $_
2379 : ()
2380 } @{ aio_readdir $TMPDIR or [] }
2381 ]
2382}
1583 2383
1584 $map 2384=item $maps = cf::map::random_maps
2385
2386Returns an arrayref with all map paths of currently instantiated and saved
2387random maps. May block.
2388
2389=cut
2390
2391sub random_maps() {
2392 [
2393 map {
2394 utf8::decode $_;
2395 /\.map$/
2396 ? normalise "?random/$_"
2397 : ()
2398 } @{ aio_readdir $RANDOMDIR or [] }
2399 ]
1585} 2400}
1586 2401
1587=item cf::map::unique_maps 2402=item cf::map::unique_maps
1588 2403
1589Returns an arrayref of cf::path's of all shared maps that have 2404Returns an arrayref of paths of all shared maps that have
1590instantiated unique items. May block. 2405instantiated unique items. May block.
1591 2406
1592=cut 2407=cut
1593 2408
1594sub unique_maps() { 2409sub unique_maps() {
1595 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2410 [
1596 or return; 2411 map {
1597
1598 my @paths;
1599
1600 for (@$files) {
1601 utf8::decode $_; 2412 utf8::decode $_;
1602 next if /\.pst$/; 2413 s/\.map$//; # TODO future compatibility hack
1603 next unless /^$PATH_SEP/o; 2414 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604 2415 ? ()
1605 push @paths, new cf::path $_; 2416 : normalise $_
2417 } @{ aio_readdir $UNIQUEDIR or [] }
1606 } 2418 ]
1607
1608 \@paths
1609} 2419}
1610 2420
1611package cf; 2421=item cf::map::static_maps
2422
2423Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2424file in the shared directory excluding F</styles> and F</editor>). May
2425block.
2426
2427=cut
2428
2429sub static_maps() {
2430 my @dirs = "";
2431 my @maps;
2432
2433 while (@dirs) {
2434 my $dir = shift @dirs;
2435
2436 next if $dir eq "/styles" || $dir eq "/editor";
2437
2438 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2439 or return;
2440
2441 for (@$files) {
2442 s/\.map$// or next;
2443 utf8::decode $_;
2444 push @maps, "$dir/$_";
2445 }
2446
2447 push @dirs, map "$dir/$_", @$dirs;
2448 }
2449
2450 \@maps
2451}
1612 2452
1613=back 2453=back
1614 2454
1615=head3 cf::object 2455=head3 cf::object
1616 2456
… …
1620 2460
1621=over 4 2461=over 4
1622 2462
1623=item $ob->inv_recursive 2463=item $ob->inv_recursive
1624 2464
1625Returns the inventory of the object _and_ their inventories, recursively. 2465Returns the inventory of the object I<and> their inventories, recursively,
2466but I<not> the object itself.
1626 2467
1627=cut 2468=cut
1628 2469
1629sub inv_recursive_; 2470sub inv_recursive_;
1630sub inv_recursive_ { 2471sub inv_recursive_ {
… …
1633 2474
1634sub inv_recursive { 2475sub inv_recursive {
1635 inv_recursive_ inv $_[0] 2476 inv_recursive_ inv $_[0]
1636} 2477}
1637 2478
2479=item $ref = $ob->ref
2480
2481Creates and returns a persistent reference to an object that can be stored as a string.
2482
2483=item $ob = cf::object::deref ($refstring)
2484
2485returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2486even if the object actually exists. May block.
2487
2488=cut
2489
2490sub deref {
2491 my ($ref) = @_;
2492
2493 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2494 my ($uuid, $name) = ($1, $2);
2495 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2496 or return;
2497 $pl->ob->uuid eq $uuid
2498 or return;
2499
2500 $pl->ob
2501 } else {
2502 warn "$ref: cannot resolve object reference\n";
2503 undef
2504 }
2505}
2506
1638package cf; 2507package cf;
1639 2508
1640=back 2509=back
1641 2510
1642=head3 cf::object::player 2511=head3 cf::object::player
… …
1648Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2517Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649can be C<undef>. Does the right thing when the player is currently in a 2518can be C<undef>. Does the right thing when the player is currently in a
1650dialogue with the given NPC character. 2519dialogue with the given NPC character.
1651 2520
1652=cut 2521=cut
2522
2523our $SAY_CHANNEL = {
2524 id => "say",
2525 title => "Map",
2526 reply => "say ",
2527 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2528};
2529
2530our $CHAT_CHANNEL = {
2531 id => "chat",
2532 title => "Chat",
2533 reply => "chat ",
2534 tooltip => "Player chat and shouts, global to the server.",
2535};
1653 2536
1654# rough implementation of a future "reply" method that works 2537# rough implementation of a future "reply" method that works
1655# with dialog boxes. 2538# with dialog boxes.
1656#TODO: the first argument must go, split into a $npc->reply_to ( method 2539#TODO: the first argument must go, split into a $npc->reply_to ( method
1657sub cf::object::player::reply($$$;$) { 2540sub cf::object::player::reply($$$;$) {
… …
1659 2542
1660 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2543 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661 2544
1662 if ($self->{record_replies}) { 2545 if ($self->{record_replies}) {
1663 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2546 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2547
1664 } else { 2548 } else {
2549 my $pl = $self->contr;
2550
2551 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2552 my $dialog = $pl->{npc_dialog};
2553 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2554
2555 } else {
1665 $msg = $npc->name . " says: $msg" if $npc; 2556 $msg = $npc->name . " says: $msg" if $npc;
1666 $self->message ($msg, $flags); 2557 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2558 }
1667 } 2559 }
2560}
2561
2562=item $object->send_msg ($channel, $msg, $color, [extra...])
2563
2564=cut
2565
2566sub cf::object::send_msg {
2567 my $pl = shift->contr
2568 or return;
2569 $pl->send_msg (@_);
1668} 2570}
1669 2571
1670=item $player_object->may ("access") 2572=item $player_object->may ("access")
1671 2573
1672Returns wether the given player is authorized to access resource "access" 2574Returns wether the given player is authorized to access resource "access"
… …
1685 2587
1686=item $player_object->enter_link 2588=item $player_object->enter_link
1687 2589
1688Freezes the player and moves him/her to a special map (C<{link}>). 2590Freezes the player and moves him/her to a special map (C<{link}>).
1689 2591
1690The player should be reaosnably safe there for short amounts of time. You 2592The player should be reasonably safe there for short amounts of time (e.g.
1691I<MUST> call C<leave_link> as soon as possible, though. 2593for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2594though, as the player cannot control the character while it is on the link
2595map.
2596
2597Will never block.
1692 2598
1693=item $player_object->leave_link ($map, $x, $y) 2599=item $player_object->leave_link ($map, $x, $y)
1694 2600
1695Moves the player out of the specila link map onto the given map. If the 2601Moves the player out of the special C<{link}> map onto the specified
1696map is not valid (or omitted), the player will be moved back to the 2602map. If the map is not valid (or omitted), the player will be moved back
1697location he/she was before the call to C<enter_link>, or, if that fails, 2603to the location he/she was before the call to C<enter_link>, or, if that
1698to the emergency map position. 2604fails, to the emergency map position.
1699 2605
1700Might block. 2606Might block.
1701 2607
1702=cut 2608=cut
2609
2610sub link_map {
2611 unless ($LINK_MAP) {
2612 $LINK_MAP = cf::map::find "{link}"
2613 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2614 $LINK_MAP->load;
2615 }
2616
2617 $LINK_MAP
2618}
1703 2619
1704sub cf::object::player::enter_link { 2620sub cf::object::player::enter_link {
1705 my ($self) = @_; 2621 my ($self) = @_;
1706 2622
1707 $self->deactivate_recursive; 2623 $self->deactivate_recursive;
1708 2624
1709 return if $self->map == $LINK_MAP; 2625 ++$self->{_link_recursion};
2626
2627 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 2628
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2629 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 2630 if $self->map && $self->map->{path} ne "{link}";
1713 2631
1714 $self->enter_map ($LINK_MAP, 20, 20); 2632 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1715} 2633}
1716 2634
1717sub cf::object::player::leave_link { 2635sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 2636 my ($self, $map, $x, $y) = @_;
2637
2638 return unless $self->contr->active;
1719 2639
1720 my $link_pos = delete $self->{_link_pos}; 2640 my $link_pos = delete $self->{_link_pos};
1721 2641
1722 unless ($map) { 2642 unless ($map) {
1723 # restore original map position 2643 # restore original map position
… …
1734 ($x, $y) = (-1, -1) 2654 ($x, $y) = (-1, -1)
1735 unless (defined $x) && (defined $y); 2655 unless (defined $x) && (defined $y);
1736 2656
1737 # use -1 or undef as default coordinates, not 0, 0 2657 # use -1 or undef as default coordinates, not 0, 0
1738 ($x, $y) = ($map->enter_x, $map->enter_y) 2658 ($x, $y) = ($map->enter_x, $map->enter_y)
1739 if $x <=0 && $y <= 0; 2659 if $x <= 0 && $y <= 0;
1740 2660
1741 $map->load; 2661 $map->load;
1742 $map->load_diag; 2662 $map->load_neighbours;
1743 2663
1744 return unless $self->contr->active; 2664 return unless $self->contr->active;
2665
2666 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2667 if ($self->enter_map ($map, $x, $y)) {
2668 # entering was successful
2669 delete $self->{_link_recursion};
2670 # only activate afterwards, to support waiting in hooks
1745 $self->activate_recursive; 2671 $self->activate_recursive;
1746 $self->enter_map ($map, $x, $y);
1747}
1748
1749cf::player->attach (
1750 on_logout => sub {
1751 my ($pl) = @_;
1752
1753 # abort map switching before logout
1754 if ($pl->ob->{_link_pos}) {
1755 cf::sync_job {
1756 $pl->ob->leave_link
1757 };
1758 }
1759 }, 2672 }
1760 on_login => sub {
1761 my ($pl) = @_;
1762 2673
1763 # try to abort aborted map switching on player login :) 2674}
1764 # should happen only on crashes
1765 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link;
1767 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1774 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link;
1776 })->prio (2);
1777 }
1778 },
1779);
1780 2675
1781=item $player_object->goto ($path, $x, $y) 2676=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1782 2677
2678Moves the player to the given map-path and coordinates by first freezing
2679her, loading and preparing them map, calling the provided $check callback
2680that has to return the map if sucecssful, and then unfreezes the player on
2681the new (success) or old (failed) map position. In either case, $done will
2682be called at the end of this process.
2683
2684Note that $check will be called with a potentially non-loaded map, so if
2685it needs a loaded map it has to call C<< ->load >>.
2686
1783=cut 2687=cut
2688
2689our $GOTOGEN;
1784 2690
1785sub cf::object::player::goto { 2691sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 2692 my ($self, $path, $x, $y, $check, $done) = @_;
1787 2693
1788 $path = new cf::path $path; 2694 if ($self->{_link_recursion} >= $MAX_LINKS) {
2695 warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2696 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2697 ($path, $x, $y) = @$EMERGENCY_POSITION;
2698 }
2699
2700 # do generation counting so two concurrent goto's will be executed in-order
2701 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789 2702
1790 $self->enter_link; 2703 $self->enter_link;
1791 2704
1792 (async { 2705 (async {
1793 my $map = cf::map::find $path->as_string; 2706 $Coro::current->{desc} = "player::goto $path $x $y";
2707
2708 # *tag paths override both path and x|y
2709 if ($path =~ /^\*(.*)$/) {
2710 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2711 my $ob = $obs[rand @obs];
2712
2713 # see if we actually can go there
2714 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2715 $ob = $obs[rand @obs];
2716 } else {
2717 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2718 }
2719 # else put us there anyways for now #d#
2720
2721 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2722 } else {
2723 ($path, $x, $y) = (undef, undef, undef);
2724 }
2725 }
2726
2727 my $map = eval {
2728 my $map = defined $path ? cf::map::find $path : undef;
2729
2730 if ($map) {
1794 $map = $map->customise_for ($self) if $map; 2731 $map = $map->customise_for ($self);
1795 2732 $map = $check->($map, $x, $y, $self) if $check && $map;
1796# warn "entering ", $map->path, " at ($x, $y)\n" 2733 } else {
1797# if $map;
1798
1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2734 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2735 }
1800 2736
2737 $map
2738 };
2739
2740 if ($@) {
2741 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2742 LOG llevError | logBacktrace, Carp::longmess $@;
2743 }
2744
2745 if ($gen == $self->{_goto_generation}) {
2746 delete $self->{_goto_generation};
1801 $self->leave_link ($map, $x, $y); 2747 $self->leave_link ($map, $x, $y);
2748 }
2749
2750 $done->($self) if $done;
1802 })->prio (1); 2751 })->prio (1);
1803} 2752}
1804 2753
1805=item $player_object->enter_exit ($exit_object) 2754=item $player_object->enter_exit ($exit_object)
1806 2755
… …
1808 2757
1809sub parse_random_map_params { 2758sub parse_random_map_params {
1810 my ($spec) = @_; 2759 my ($spec) = @_;
1811 2760
1812 my $rmp = { # defaults 2761 my $rmp = { # defaults
1813 xsize => 10, 2762 xsize => (cf::rndm 15, 40),
1814 ysize => 10, 2763 ysize => (cf::rndm 15, 40),
2764 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2765 #layout => string,
1815 }; 2766 };
1816 2767
1817 for (split /\n/, $spec) { 2768 for (split /\n/, $spec) {
1818 my ($k, $v) = split /\s+/, $_, 2; 2769 my ($k, $v) = split /\s+/, $_, 2;
1819 2770
… …
1831 # that depends on the exit object 2782 # that depends on the exit object
1832 2783
1833 my $rmp = parse_random_map_params $exit->msg; 2784 my $rmp = parse_random_map_params $exit->msg;
1834 2785
1835 if ($exit->map) { 2786 if ($exit->map) {
1836 $rmp->{region} = $exit->map->region_name; 2787 $rmp->{region} = $exit->region->name;
1837 $rmp->{origin_map} = $exit->map->path; 2788 $rmp->{origin_map} = $exit->map->path;
1838 $rmp->{origin_x} = $exit->x; 2789 $rmp->{origin_x} = $exit->x;
1839 $rmp->{origin_y} = $exit->y; 2790 $rmp->{origin_y} = $exit->y;
2791
2792 $exit->map->touch;
1840 } 2793 }
1841 2794
1842 $rmp->{random_seed} ||= $exit->random_seed; 2795 $rmp->{random_seed} ||= $exit->random_seed;
1843 2796
1844 my $data = cf::to_json $rmp; 2797 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845 my $md5 = Digest::MD5::md5_hex $data; 2798 my $md5 = Digest::MD5::md5_hex $data;
2799 my $meta = "$RANDOMDIR/$md5.meta";
1846 2800
1847 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2801 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848 aio_write $fh, 0, (length $data), $data, 0; 2802 aio_write $fh, 0, (length $data), $data, 0;
2803 undef $fh;
2804 aio_rename "$meta~", $meta;
1849 2805
2806 my $slaying = "?random/$md5";
2807
2808 if ($exit->valid) {
1850 $exit->slaying ("?random/$md5"); 2809 $exit->slaying ("?random/$md5");
1851 $exit->msg (undef); 2810 $exit->msg (undef);
2811 }
1852 } 2812 }
1853} 2813}
1854 2814
1855sub cf::object::player::enter_exit { 2815sub cf::object::player::enter_exit {
1856 my ($self, $exit) = @_; 2816 my ($self, $exit) = @_;
… …
1858 return unless $self->type == cf::PLAYER; 2818 return unless $self->type == cf::PLAYER;
1859 2819
1860 $self->enter_link; 2820 $self->enter_link;
1861 2821
1862 (async { 2822 (async {
1863 $self->deactivate_recursive; # just to be sure 2823 $Coro::current->{desc} = "enter_exit";
2824
1864 unless (eval { 2825 unless (eval {
2826 $self->deactivate_recursive; # just to be sure
2827
2828 # random map handling
2829 {
2830 my $guard = cf::lock_acquire "exit_prepare:$exit";
2831
1865 prepare_random_map $exit 2832 prepare_random_map $exit
1866 if $exit->slaying eq "/!"; 2833 if $exit->slaying eq "/!";
2834 }
1867 2835
1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2836 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2837 my $x = $exit->stats->hp;
2838 my $y = $exit->stats->sp;
1870 2839
2840 $self->goto ($map, $x, $y);
2841
2842 # if exit is damned, update players death & WoR home-position
2843 $self->contr->savebed ($map, $x, $y)
2844 if $exit->flag (cf::FLAG_DAMNED);
2845
1871 1; 2846 1
1872 }) { 2847 }) {
1873 $self->message ("Something went wrong deep within the crossfire server. " 2848 $self->message ("Something went wrong deep within the deliantra server. "
1874 . "I'll try to bring you back to the map you were before. " 2849 . "I'll try to bring you back to the map you were before. "
1875 . "Please report this to the dungeon master!", 2850 . "Please report this to the dungeon master!",
1876 cf::NDI_UNIQUE | cf::NDI_RED); 2851 cf::NDI_UNIQUE | cf::NDI_RED);
1877 2852
1878 warn "ERROR in enter_exit: $@"; 2853 warn "ERROR in enter_exit: $@";
1879 $self->leave_link; 2854 $self->leave_link;
1880 } 2855 }
1881 })->prio (1); 2856 })->prio (1);
… …
1894 2869
1895sub cf::client::send_drawinfo { 2870sub cf::client::send_drawinfo {
1896 my ($self, $text, $flags) = @_; 2871 my ($self, $text, $flags) = @_;
1897 2872
1898 utf8::encode $text; 2873 utf8::encode $text;
1899 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2874 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900} 2875}
1901 2876
2877=item $client->send_big_packet ($pkt)
2878
2879Like C<send_packet>, but tries to compress large packets, and fragments
2880them as required.
2881
2882=cut
2883
2884our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2885
2886sub cf::client::send_big_packet {
2887 my ($self, $pkt) = @_;
2888
2889 # try lzf for large packets
2890 $pkt = "lzf " . Compress::LZF::compress $pkt
2891 if 1024 <= length $pkt and $self->{can_lzf};
2892
2893 # split very large packets
2894 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2895 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2896 $pkt = "frag";
2897 }
2898
2899 $self->send_packet ($pkt);
2900}
2901
2902=item $client->send_msg ($channel, $msg, $color, [extra...])
2903
2904Send a drawinfo or msg packet to the client, formatting the msg for the
2905client if neccessary. C<$type> should be a string identifying the type of
2906the message, with C<log> being the default. If C<$color> is negative, suppress
2907the message unless the client supports the msg packet.
2908
2909=cut
2910
2911# non-persistent channels (usually the info channel)
2912our %CHANNEL = (
2913 "c/motd" => {
2914 id => "infobox",
2915 title => "MOTD",
2916 reply => undef,
2917 tooltip => "The message of the day",
2918 },
2919 "c/identify" => {
2920 id => "infobox",
2921 title => "Identify",
2922 reply => undef,
2923 tooltip => "Items recently identified",
2924 },
2925 "c/examine" => {
2926 id => "infobox",
2927 title => "Examine",
2928 reply => undef,
2929 tooltip => "Signs and other items you examined",
2930 },
2931 "c/shopinfo" => {
2932 id => "infobox",
2933 title => "Shop Info",
2934 reply => undef,
2935 tooltip => "What your bargaining skill tells you about the shop",
2936 },
2937 "c/book" => {
2938 id => "infobox",
2939 title => "Book",
2940 reply => undef,
2941 tooltip => "The contents of a note or book",
2942 },
2943 "c/lookat" => {
2944 id => "infobox",
2945 title => "Look",
2946 reply => undef,
2947 tooltip => "What you saw there",
2948 },
2949 "c/who" => {
2950 id => "infobox",
2951 title => "Players",
2952 reply => undef,
2953 tooltip => "Shows players who are currently online",
2954 },
2955 "c/body" => {
2956 id => "infobox",
2957 title => "Body Parts",
2958 reply => undef,
2959 tooltip => "Shows which body parts you posess and are available",
2960 },
2961 "c/statistics" => {
2962 id => "infobox",
2963 title => "Statistics",
2964 reply => undef,
2965 tooltip => "Shows your primary statistics",
2966 },
2967 "c/skills" => {
2968 id => "infobox",
2969 title => "Skills",
2970 reply => undef,
2971 tooltip => "Shows your experience per skill and item power",
2972 },
2973 "c/shopitems" => {
2974 id => "infobox",
2975 title => "Shop Items",
2976 reply => undef,
2977 tooltip => "Shows the items currently for sale in this shop",
2978 },
2979 "c/resistances" => {
2980 id => "infobox",
2981 title => "Resistances",
2982 reply => undef,
2983 tooltip => "Shows your resistances",
2984 },
2985 "c/pets" => {
2986 id => "infobox",
2987 title => "Pets",
2988 reply => undef,
2989 tooltip => "Shows information abotu your pets/a specific pet",
2990 },
2991 "c/perceiveself" => {
2992 id => "infobox",
2993 title => "Perceive Self",
2994 reply => undef,
2995 tooltip => "You gained detailed knowledge about yourself",
2996 },
2997 "c/uptime" => {
2998 id => "infobox",
2999 title => "Uptime",
3000 reply => undef,
3001 tooltip => "How long the server has been running since last restart",
3002 },
3003 "c/mapinfo" => {
3004 id => "infobox",
3005 title => "Map Info",
3006 reply => undef,
3007 tooltip => "Information related to the maps",
3008 },
3009 "c/party" => {
3010 id => "party",
3011 title => "Party",
3012 reply => "gsay ",
3013 tooltip => "Messages and chat related to your party",
3014 },
3015 "c/death" => {
3016 id => "death",
3017 title => "Death",
3018 reply => undef,
3019 tooltip => "Reason for and more info about your most recent death",
3020 },
3021 "c/say" => $SAY_CHANNEL,
3022 "c/chat" => $CHAT_CHANNEL,
3023);
3024
3025sub cf::client::send_msg {
3026 my ($self, $channel, $msg, $color, @extra) = @_;
3027
3028 $msg = $self->pl->expand_cfpod ($msg)
3029 unless $color & cf::NDI_VERBATIM;
3030
3031 $color &= cf::NDI_CLIENT_MASK; # just in case...
3032
3033 # check predefined channels, for the benefit of C
3034 if ($CHANNEL{$channel}) {
3035 $channel = $CHANNEL{$channel};
3036
3037 $self->ext_msg (channel_info => $channel);
3038 $channel = $channel->{id};
3039
3040 } elsif (ref $channel) {
3041 # send meta info to client, if not yet sent
3042 unless (exists $self->{channel}{$channel->{id}}) {
3043 $self->{channel}{$channel->{id}} = $channel;
3044 $self->ext_msg (channel_info => $channel);
3045 }
3046
3047 $channel = $channel->{id};
3048 }
3049
3050 return unless @extra || length $msg;
3051
3052 # default colour, mask it out
3053 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3054 if $color & cf::NDI_DEF;
3055
3056 my $pkt = "msg "
3057 . $self->{json_coder}->encode (
3058 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3059 );
3060
3061 $self->send_big_packet ($pkt);
3062}
3063
3064=item $client->ext_msg ($type, @msg)
3065
3066Sends an ext event to the client.
3067
3068=cut
3069
3070sub cf::client::ext_msg($$@) {
3071 my ($self, $type, @msg) = @_;
3072
3073 if ($self->extcmd == 2) {
3074 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3075 } elsif ($self->extcmd == 1) { # TODO: remove
3076 push @msg, msgtype => "event_$type";
3077 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3078 }
3079}
3080
3081=item $client->ext_reply ($msgid, @msg)
3082
3083Sends an ext reply to the client.
3084
3085=cut
3086
3087sub cf::client::ext_reply($$@) {
3088 my ($self, $id, @msg) = @_;
3089
3090 if ($self->extcmd == 2) {
3091 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3092 } elsif ($self->extcmd == 1) {
3093 #TODO: version 1, remove
3094 unshift @msg, msgtype => "reply", msgid => $id;
3095 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3096 }
3097}
1902 3098
1903=item $success = $client->query ($flags, "text", \&cb) 3099=item $success = $client->query ($flags, "text", \&cb)
1904 3100
1905Queues a query to the client, calling the given callback with 3101Queues a query to the client, calling the given callback with
1906the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3102the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3103C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908 3104
1909Queries can fail, so check the return code. Or don't, as queries will become 3105Queries can fail, so check the return code. Or don't, as queries will
1910reliable at some point in the future. 3106become reliable at some point in the future.
1911 3107
1912=cut 3108=cut
1913 3109
1914sub cf::client::query { 3110sub cf::client::query {
1915 my ($self, $flags, $text, $cb) = @_; 3111 my ($self, $flags, $text, $cb) = @_;
… …
1923 utf8::encode $text; 3119 utf8::encode $text;
1924 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3120 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925 3121
1926 $self->send_packet ($self->{query_queue}[0][0]) 3122 $self->send_packet ($self->{query_queue}[0][0])
1927 if @{ $self->{query_queue} } == 1; 3123 if @{ $self->{query_queue} } == 1;
3124
3125 1
1928} 3126}
1929 3127
1930cf::client->attach ( 3128cf::client->attach (
3129 on_connect => sub {
3130 my ($ns) = @_;
3131
3132 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3133 },
1931 on_reply => sub { 3134 on_reply => sub {
1932 my ($ns, $msg) = @_; 3135 my ($ns, $msg) = @_;
1933 3136
1934 # this weird shuffling is so that direct followup queries 3137 # this weird shuffling is so that direct followup queries
1935 # get handled first 3138 # get handled first
1936 my $queue = delete $ns->{query_queue} 3139 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here 3140 or return; # be conservative, not sure how that can happen, but we saw a crash here
1938 3141
1939 (shift @$queue)->[1]->($msg); 3142 (shift @$queue)->[1]->($msg);
3143 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940 3144
1941 push @{ $ns->{query_queue} }, @$queue; 3145 push @{ $ns->{query_queue} }, @$queue;
1942 3146
1943 if (@{ $ns->{query_queue} } == @$queue) { 3147 if (@{ $ns->{query_queue} } == @$queue) {
1944 if (@$queue) { 3148 if (@$queue) {
… …
1946 } else { 3150 } else {
1947 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3151 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948 } 3152 }
1949 } 3153 }
1950 }, 3154 },
3155 on_exticmd => sub {
3156 my ($ns, $buf) = @_;
3157
3158 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3159
3160 if (ref $msg) {
3161 my ($type, $reply, @payload) =
3162 "ARRAY" eq ref $msg
3163 ? @$msg
3164 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3165
3166 my @reply;
3167
3168 if (my $cb = $EXTICMD{$type}) {
3169 @reply = $cb->($ns, @payload);
3170 }
3171
3172 $ns->ext_reply ($reply, @reply)
3173 if $reply;
3174
3175 } else {
3176 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3177 }
3178
3179 cf::override;
3180 },
1951); 3181);
1952 3182
1953=item $client->async (\&cb) 3183=item $client->async (\&cb)
1954 3184
1955Create a new coroutine, running the specified callback. The coroutine will 3185Create a new coroutine, running the specified callback. The coroutine will
… …
1971 3201
1972 $coro 3202 $coro
1973} 3203}
1974 3204
1975cf::client->attach ( 3205cf::client->attach (
1976 on_destroy => sub { 3206 on_client_destroy => sub {
1977 my ($ns) = @_; 3207 my ($ns) = @_;
1978 3208
1979 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3209 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980 }, 3210 },
1981); 3211);
… …
1996our $safe = new Safe "safe"; 3226our $safe = new Safe "safe";
1997our $safe_hole = new Safe::Hole; 3227our $safe_hole = new Safe::Hole;
1998 3228
1999$SIG{FPE} = 'IGNORE'; 3229$SIG{FPE} = 'IGNORE';
2000 3230
2001$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3231$safe->permit_only (Opcode::opset qw(
3232 :base_core :base_mem :base_orig :base_math :base_loop
3233 grepstart grepwhile mapstart mapwhile
3234 sort time
3235));
2002 3236
2003# here we export the classes and methods available to script code 3237# here we export the classes and methods available to script code
2004 3238
2005=pod 3239=pod
2006 3240
2007The following fucntions and emthods are available within a safe environment: 3241The following functions and methods are available within a safe environment:
2008 3242
2009 cf::object contr pay_amount pay_player map 3243 cf::object
3244 contr pay_amount pay_player map x y force_find force_add destroy
3245 insert remove name archname title slaying race decrease split
3246 value
3247
2010 cf::object::player player 3248 cf::object::player
2011 cf::player peaceful 3249 player
2012 cf::map trigger 3250
3251 cf::player
3252 peaceful
3253
3254 cf::map
3255 trigger
2013 3256
2014=cut 3257=cut
2015 3258
2016for ( 3259for (
2017 ["cf::object" => qw(contr pay_amount pay_player map)], 3260 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3261 insert remove inv nrof name archname title slaying race
3262 decrease split destroy change_exp value msg lore send_msg)],
2018 ["cf::object::player" => qw(player)], 3263 ["cf::object::player" => qw(player)],
2019 ["cf::player" => qw(peaceful)], 3264 ["cf::player" => qw(peaceful send_msg)],
2020 ["cf::map" => qw(trigger)], 3265 ["cf::map" => qw(trigger)],
2021) { 3266) {
2022 no strict 'refs'; 3267 no strict 'refs';
2023 my ($pkg, @funs) = @$_; 3268 my ($pkg, @funs) = @$_;
2024 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3269 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2042 3287
2043 my $qcode = $code; 3288 my $qcode = $code;
2044 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3289 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2045 $qcode =~ s/\n/\\n/g; 3290 $qcode =~ s/\n/\\n/g;
2046 3291
3292 %vars = (_dummy => 0) unless %vars;
3293
3294 my @res;
2047 local $_; 3295 local $_;
2048 local @safe::cf::_safe_eval_args = values %vars;
2049 3296
2050 my $eval = 3297 my $eval =
2051 "do {\n" 3298 "do {\n"
2052 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3299 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053 . "#line 0 \"{$qcode}\"\n" 3300 . "#line 0 \"{$qcode}\"\n"
2054 . $code 3301 . $code
2055 . "\n}" 3302 . "\n}"
2056 ; 3303 ;
2057 3304
3305 if ($CFG{safe_eval}) {
2058 sub_generation_inc; 3306 sub_generation_inc;
3307 local @safe::cf::_safe_eval_args = values %vars;
2059 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3308 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060 sub_generation_inc; 3309 sub_generation_inc;
3310 } else {
3311 local @cf::_safe_eval_args = values %vars;
3312 @res = wantarray ? eval eval : scalar eval $eval;
3313 }
2061 3314
2062 if ($@) { 3315 if ($@) {
2063 warn "$@"; 3316 warn "$@";
2064 warn "while executing safe code '$code'\n"; 3317 warn "while executing safe code '$code'\n";
2065 warn "with arguments " . (join " ", %vars) . "\n"; 3318 warn "with arguments " . (join " ", %vars) . "\n";
… …
2084=cut 3337=cut
2085 3338
2086sub register_script_function { 3339sub register_script_function {
2087 my ($fun, $cb) = @_; 3340 my ($fun, $cb) = @_;
2088 3341
2089 no strict 'refs'; 3342 $fun = "safe::$fun" if $CFG{safe_eval};
2090 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3343 *$fun = $safe_hole->wrap ($cb);
2091} 3344}
2092 3345
2093=back 3346=back
2094 3347
2095=cut 3348=cut
2096 3349
2097############################################################################# 3350#############################################################################
3351# the server's init and main functions
2098 3352
2099=head2 EXTENSION DATABASE SUPPORT 3353sub load_facedata($) {
3354 my ($path) = @_;
2100 3355
2101Crossfire maintains a very simple database for extension use. It can 3356 # HACK to clear player env face cache, we need some signal framework
2102currently store anything that can be serialised using Storable, which 3357 # for this (global event?)
2103excludes objects. 3358 %ext::player_env::MUSIC_FACE_CACHE = ();
2104 3359
2105The parameter C<$family> should best start with the name of the extension 3360 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106using it, it should be unique.
2107 3361
2108=over 4 3362 warn "loading facedata from $path\n";
2109 3363
2110=item $hashref = cf::db_get $family 3364 my $facedata;
3365 0 < aio_load $path, $facedata
3366 or die "$path: $!";
2111 3367
2112Return a hashref for use by the extension C<$family>, which can be 3368 $facedata = Coro::Storable::thaw $facedata;
2113modified. After modifications, you have to call C<cf::db_dirty> or
2114C<cf::db_sync>.
2115 3369
2116=item $value = cf::db_get $family => $key 3370 $facedata->{version} == 2
3371 or cf::cleanup "$path: version mismatch, cannot proceed.";
2117 3372
2118Returns a single value from the database 3373 # patch in the exptable
2119 3374 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120=item cf::db_put $family => $hashref 3375 $facedata->{resource}{"res/exp_table"} = {
2121 3376 type => FT_RSRC,
2122Stores the given family hashref into the database. Updates are delayed, if 3377 data => $exp_table,
2123you want the data to be synced to disk immediately, use C<cf::db_sync>. 3378 hash => (Digest::MD5::md5 $exp_table),
2124
2125=item cf::db_put $family => $key => $value
2126
2127Stores the given C<$value> in the family hash. Updates are delayed, if you
2128want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_dirty
2131
2132Marks the database as dirty, to be updated at a later time.
2133
2134=item cf::db_sync
2135
2136Immediately write the database to disk I<if it is dirty>.
2137
2138=cut
2139
2140our $DB;
2141
2142{
2143 my $path = cf::localdir . "/database.pst";
2144
2145 sub db_load() {
2146 $DB = stat $path ? Storable::retrieve $path : { };
2147 }
2148
2149 my $pid;
2150
2151 sub db_save() {
2152 waitpid $pid, 0 if $pid;
2153 if (0 == ($pid = fork)) {
2154 $DB->{_meta}{version} = 1;
2155 Storable::nstore $DB, "$path~";
2156 rename "$path~", $path;
2157 cf::_exit 0 if defined $pid;
2158 }
2159 }
2160
2161 my $dirty;
2162
2163 sub db_sync() {
2164 db_save if $dirty;
2165 undef $dirty;
2166 }
2167
2168 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169 db_sync;
2170 }); 3379 };
3380 cf::cede_to_tick;
2171 3381
2172 sub db_dirty() {
2173 $dirty = 1;
2174 $idle->start;
2175 } 3382 {
3383 my $faces = $facedata->{faceinfo};
2176 3384
2177 sub db_get($;$) { 3385 while (my ($face, $info) = each %$faces) {
2178 @_ >= 2 3386 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179 ? $DB->{$_[0]}{$_[1]}
2180 : ($DB->{$_[0]} ||= { })
2181 }
2182 3387
2183 sub db_put($$;$) { 3388 cf::face::set_visibility $idx, $info->{visibility};
2184 if (@_ >= 3) { 3389 cf::face::set_magicmap $idx, $info->{magicmap};
2185 $DB->{$_[0]}{$_[1]} = $_[2]; 3390 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186 } else { 3391 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187 $DB->{$_[0]} = $_[1];
2188 }
2189 db_dirty;
2190 }
2191 3392
2192 cf::global->attach ( 3393 cf::cede_to_tick;
2193 prio => 10000,
2194 on_cleanup => sub {
2195 db_sync;
2196 }, 3394 }
2197 );
2198}
2199 3395
2200############################################################################# 3396 while (my ($face, $info) = each %$faces) {
2201# the server's main() 3397 next unless $info->{smooth};
2202 3398
2203sub cfg_load { 3399 my $idx = cf::face::find $face
3400 or next;
3401
3402 if (my $smooth = cf::face::find $info->{smooth}) {
3403 cf::face::set_smooth $idx, $smooth;
3404 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3405 } else {
3406 warn "smooth face '$info->{smooth}' not found for face '$face'";
3407 }
3408
3409 cf::cede_to_tick;
3410 }
3411 }
3412
3413 {
3414 my $anims = $facedata->{animinfo};
3415
3416 while (my ($anim, $info) = each %$anims) {
3417 cf::anim::set $anim, $info->{frames}, $info->{facings};
3418 cf::cede_to_tick;
3419 }
3420
3421 cf::anim::invalidate_all; # d'oh
3422 }
3423
3424 {
3425 my $res = $facedata->{resource};
3426
3427 while (my ($name, $info) = each %$res) {
3428 if (defined $info->{type}) {
3429 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3430
3431 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3432 cf::face::set_type $idx, $info->{type};
3433 } else {
3434 $RESOURCE{$name} = $info;
3435 }
3436
3437 cf::cede_to_tick;
3438 }
3439 }
3440
3441 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3442
3443 1
3444}
3445
3446cf::global->attach (on_resource_update => sub {
3447 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3448 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3449
3450 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3451 my $sound = $soundconf->{compat}[$_]
3452 or next;
3453
3454 my $face = cf::face::find "sound/$sound->[1]";
3455 cf::sound::set $sound->[0] => $face;
3456 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3457 }
3458
3459 while (my ($k, $v) = each %{$soundconf->{event}}) {
3460 my $face = cf::face::find "sound/$v";
3461 cf::sound::set $k => $face;
3462 }
3463 }
3464});
3465
3466register_exticmd fx_want => sub {
3467 my ($ns, $want) = @_;
3468
3469 while (my ($k, $v) = each %$want) {
3470 $ns->fx_want ($k, $v);
3471 }
3472};
3473
3474sub load_resource_file($) {
3475 my $guard = lock_acquire "load_resource_file";
3476
3477 my $status = load_resource_file_ $_[0];
3478 get_slot 0.1, 100;
3479 cf::arch::commit_load;
3480
3481 $status
3482}
3483
3484sub reload_regions {
3485 # HACK to clear player env face cache, we need some signal framework
3486 # for this (global event?)
3487 %ext::player_env::MUSIC_FACE_CACHE = ();
3488
3489 load_resource_file "$MAPDIR/regions"
3490 or die "unable to load regions file\n";
3491
3492 for (cf::region::list) {
3493 $_->{match} = qr/$_->{match}/
3494 if exists $_->{match};
3495 }
3496}
3497
3498sub reload_facedata {
3499 load_facedata "$DATADIR/facedata"
3500 or die "unable to load facedata\n";
3501}
3502
3503sub reload_archetypes {
3504 load_resource_file "$DATADIR/archetypes"
3505 or die "unable to load archetypes\n";
3506}
3507
3508sub reload_treasures {
3509 load_resource_file "$DATADIR/treasures"
3510 or die "unable to load treasurelists\n";
3511}
3512
3513sub reload_resources {
3514 warn "reloading resource files...\n";
3515
3516 reload_facedata;
3517 reload_archetypes;
3518 reload_regions;
3519 reload_treasures;
3520
3521 warn "finished reloading resource files\n";
3522}
3523
3524sub reload_config {
3525 warn "reloading config file...\n";
3526
2204 open my $fh, "<:utf8", cf::confdir . "/config" 3527 open my $fh, "<:utf8", "$CONFDIR/config"
2205 or return; 3528 or return;
2206 3529
2207 local $/; 3530 local $/;
2208 *CFG = YAML::Syck::Load <$fh>; 3531 *CFG = YAML::XS::Load scalar <$fh>;
2209 3532
2210 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3533 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2211 3534
2212 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3535 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3536 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2214 3537
2215 if (exists $CFG{mlockall}) { 3538 if (exists $CFG{mlockall}) {
… …
2217 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3540 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218 and die "WARNING: m(un)lockall failed: $!\n"; 3541 and die "WARNING: m(un)lockall failed: $!\n";
2219 }; 3542 };
2220 warn $@ if $@; 3543 warn $@ if $@;
2221 } 3544 }
3545
3546 warn "finished reloading resource files\n";
3547}
3548
3549sub pidfile() {
3550 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3551 or die "$PIDFILE: $!";
3552 flock $fh, &Fcntl::LOCK_EX
3553 or die "$PIDFILE: flock: $!";
3554 $fh
3555}
3556
3557# make sure only one server instance is running at any one time
3558sub atomic {
3559 my $fh = pidfile;
3560
3561 my $pid = <$fh>;
3562 kill 9, $pid if $pid > 0;
3563
3564 seek $fh, 0, 0;
3565 print $fh $$;
3566}
3567
3568sub main_loop {
3569 warn "EV::loop starting\n";
3570 if (1) {
3571 EV::loop;
3572 }
3573 warn "EV::loop returned\n";
3574 goto &main_loop unless $REALLY_UNLOOP;
2222} 3575}
2223 3576
2224sub main { 3577sub main {
3578 cf::init_globals; # initialise logging
3579
3580 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3581 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3582 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3583 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3584
3585 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3586
2225 # we must not ever block the main coroutine 3587 # we must not ever block the main coroutine
2226 local $Coro::idle = sub { 3588 local $Coro::idle = sub {
2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3589 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228 async { Event::one_event }; 3590 (async {
3591 $Coro::current->{desc} = "IDLE BUG HANDLER";
3592 EV::loop EV::LOOP_ONESHOT;
3593 })->prio (Coro::PRIO_MAX);
2229 }; 3594 };
2230 3595
2231 cfg_load; 3596 evthread_start IO::AIO::poll_fileno;
2232 db_load; 3597
3598 cf::sync_job {
3599 cf::init_experience;
3600 cf::init_anim;
3601 cf::init_attackmess;
3602 cf::init_dynamic;
3603
3604 cf::load_settings;
3605 cf::load_materials;
3606
3607 reload_resources;
3608 reload_config;
3609 db_init;
3610
3611 cf::init_uuid;
3612 cf::init_signals;
3613 cf::init_skills;
3614
3615 cf::init_beforeplay;
3616
3617 atomic;
3618
2233 load_extensions; 3619 load_extensions;
2234 Event::loop; 3620
3621 utime time, time, $RUNTIMEFILE;
3622
3623 # no (long-running) fork's whatsoever before this point(!)
3624 use POSIX ();
3625 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3626
3627 (pop @POST_INIT)->(0) while @POST_INIT;
3628 };
3629
3630 cf::object::thawer::errors_are_fatal 0;
3631 warn "parse errors in files are no longer fatal from this point on.\n";
3632
3633 main_loop;
2235} 3634}
2236 3635
2237############################################################################# 3636#############################################################################
2238# initialisation and cleanup 3637# initialisation and cleanup
2239 3638
2240# install some emergency cleanup handlers 3639# install some emergency cleanup handlers
2241BEGIN { 3640BEGIN {
3641 our %SIGWATCHER = ();
2242 for my $signal (qw(INT HUP TERM)) { 3642 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal ( 3643 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2244 data => WF_AUTOCANCEL,
2245 signal => $signal,
2246 cb => sub {
2247 cf::cleanup "SIG$signal"; 3644 cf::cleanup "SIG$signal";
2248 },
2249 ); 3645 };
3646 }
3647}
3648
3649sub write_runtime_sync {
3650 my $t0 = AE::time;
3651
3652 # first touch the runtime file to show we are still running:
3653 # the fsync below can take a very very long time.
3654
3655 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3656
3657 my $guard = cf::lock_acquire "write_runtime";
3658
3659 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3660 or return;
3661
3662 my $value = $cf::RUNTIME + 90 + 10;
3663 # 10 is the runtime save interval, for a monotonic clock
3664 # 60 allows for the watchdog to kill the server.
3665
3666 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3667 and return;
3668
3669 # always fsync - this file is important
3670 aio_fsync $fh
3671 and return;
3672
3673 # touch it again to show we are up-to-date
3674 aio_utime $fh, undef, undef;
3675
3676 close $fh
3677 or return;
3678
3679 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3680 and return;
3681
3682 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3683
2250 } 3684 1
3685}
3686
3687our $uuid_lock;
3688our $uuid_skip;
3689
3690sub write_uuid_sync($) {
3691 $uuid_skip ||= $_[0];
3692
3693 return if $uuid_lock;
3694 local $uuid_lock = 1;
3695
3696 my $uuid = "$LOCALDIR/uuid";
3697
3698 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3699 or return;
3700
3701 my $value = uuid_seq uuid_cur;
3702
3703 unless ($value) {
3704 warn "cowardly refusing to write zero uuid value!\n";
3705 return;
3706 }
3707
3708 my $value = uuid_str $value + $uuid_skip;
3709 $uuid_skip = 0;
3710
3711 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3712 and return;
3713
3714 # always fsync - this file is important
3715 aio_fsync $fh
3716 and return;
3717
3718 close $fh
3719 or return;
3720
3721 aio_rename "$uuid~", $uuid
3722 and return;
3723
3724 warn "uuid file written ($value).\n";
3725
3726 1
3727
3728}
3729
3730sub write_uuid($$) {
3731 my ($skip, $sync) = @_;
3732
3733 $sync ? write_uuid_sync $skip
3734 : async { write_uuid_sync $skip };
2251} 3735}
2252 3736
2253sub emergency_save() { 3737sub emergency_save() {
2254 my $freeze_guard = cf::freeze_mainloop; 3738 my $freeze_guard = cf::freeze_mainloop;
2255 3739
2256 warn "enter emergency perl save\n"; 3740 warn "emergency_perl_save: enter\n";
2257 3741
2258 cf::sync_job { 3742 cf::sync_job {
3743 # this is a trade-off: we want to be very quick here, so
3744 # save all maps without fsync, and later call a global sync
3745 # (which in turn might be very very slow)
3746 local $USE_FSYNC = 0;
3747
2259 # use a peculiar iteration method to avoid tripping on perl 3748 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players 3749 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously. 3750 # and maps saved/destroyed asynchronously.
2262 warn "begin emergency player save\n"; 3751 warn "emergency_perl_save: begin player save\n";
2263 for my $login (keys %cf::PLAYER) { 3752 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next; 3753 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next; 3754 $pl->valid or next;
3755 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266 $pl->save; 3756 $pl->save;
2267 } 3757 }
2268 warn "end emergency player save\n"; 3758 warn "emergency_perl_save: end player save\n";
2269 3759
2270 warn "begin emergency map save\n"; 3760 warn "emergency_perl_save: begin map save\n";
2271 for my $path (keys %cf::MAP) { 3761 for my $path (keys %cf::MAP) {
2272 my $map = $cf::MAP{$path} or next; 3762 my $map = $cf::MAP{$path} or next;
2273 $map->valid or next; 3763 $map->valid or next;
2274 $map->save; 3764 $map->save;
2275 } 3765 }
2276 warn "end emergency map save\n"; 3766 warn "emergency_perl_save: end map save\n";
3767
3768 warn "emergency_perl_save: begin database checkpoint\n";
3769 BDB::db_env_txn_checkpoint $DB_ENV;
3770 warn "emergency_perl_save: end database checkpoint\n";
3771
3772 warn "emergency_perl_save: begin write uuid\n";
3773 write_uuid_sync 1;
3774 warn "emergency_perl_save: end write uuid\n";
2277 }; 3775 };
2278 3776
3777 warn "emergency_perl_save: starting sync()\n";
3778 IO::AIO::aio_sync sub {
3779 warn "emergency_perl_save: finished sync()\n";
3780 };
3781
2279 warn "leave emergency perl save\n"; 3782 warn "emergency_perl_save: leave\n";
2280} 3783}
2281 3784
3785sub post_cleanup {
3786 my ($make_core) = @_;
3787
3788 warn Carp::longmess "post_cleanup backtrace"
3789 if $make_core;
3790
3791 my $fh = pidfile;
3792 unlink $PIDFILE if <$fh> == $$;
3793}
3794
3795# a safer delete_package, copied from Symbol
3796sub clear_package($) {
3797 my $pkg = shift;
3798
3799 # expand to full symbol table name if needed
3800 unless ($pkg =~ /^main::.*::$/) {
3801 $pkg = "main$pkg" if $pkg =~ /^::/;
3802 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3803 $pkg .= '::' unless $pkg =~ /::$/;
3804 }
3805
3806 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3807 my $stem_symtab = *{$stem}{HASH};
3808
3809 defined $stem_symtab and exists $stem_symtab->{$leaf}
3810 or return;
3811
3812 # clear all symbols
3813 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3814 for my $name (keys %$leaf_symtab) {
3815 _gv_clear *{"$pkg$name"};
3816# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3817 }
3818}
3819
2282sub reload() { 3820sub do_reload_perl() {
2283 # can/must only be called in main 3821 # can/must only be called in main
2284 if ($Coro::current != $Coro::main) { 3822 if (in_main) {
2285 warn "can only reload from main coroutine\n"; 3823 warn "can only reload from main coroutine";
2286 return; 3824 return;
2287 } 3825 }
2288 3826
3827 return if $RELOAD++;
3828
3829 my $t1 = AE::time;
3830
3831 while ($RELOAD) {
2289 warn "reloading..."; 3832 warn "reloading...";
2290 3833
2291 warn "freezing server"; 3834 warn "entering sync_job";
2292 my $guard = freeze_mainloop; 3835
3836 cf::sync_job {
3837 cf::write_runtime_sync; # external watchdog should not bark
2293 cf::emergency_save; 3838 cf::emergency_save;
3839 cf::write_runtime_sync; # external watchdog should not bark
2294 3840
2295 warn "sync database to disk"; 3841 warn "syncing database to disk";
2296 cf::db_sync; 3842 BDB::db_env_txn_checkpoint $DB_ENV;
2297 IO::AIO::flush;
2298 3843
2299 eval {
2300 # if anything goes wrong in here, we should simply crash as we already saved 3844 # if anything goes wrong in here, we should simply crash as we already saved
2301 3845
2302 warn "cancel all watchers"; 3846 warn "flushing outstanding aio requests";
2303 for (Event::all_watchers) { 3847 while (IO::AIO::nreqs || BDB::nreqs) {
2304 $_->cancel if $_->data & WF_AUTOCANCEL; 3848 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305 }
2306
2307 warn "cancel all extension coros";
2308 $_->cancel for values %EXT_CORO;
2309 %EXT_CORO = ();
2310
2311 warn "remove commands";
2312 %COMMAND = ();
2313
2314 warn "remove ext commands";
2315 %EXTCMD = ();
2316
2317 warn "unload/nuke all extensions";
2318 for my $pkg (@EXTS) {
2319 warn "unloading <$pkg>";
2320
2321 if (my $cb = $pkg->can ("unload")) {
2322 eval {
2323 $cb->($pkg);
2324 1
2325 } or warn "$pkg unloaded, but with errors: $@";
2326 } 3849 }
2327 3850
2328 Symbol::delete_package $pkg; 3851 warn "cancelling all extension coros";
2329 } 3852 $_->cancel for values %EXT_CORO;
3853 %EXT_CORO = ();
2330 3854
2331 warn "unload all perl modules loaded from $LIBDIR";
2332 while (my ($k, $v) = each %INC) {
2333 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335 warn "removing <$k>"; 3855 warn "removing commands";
2336 delete $INC{$k}; 3856 %COMMAND = ();
2337 3857
2338 $k =~ s/\.pm$//; 3858 warn "removing ext/exti commands";
2339 $k =~ s/\//::/g; 3859 %EXTCMD = ();
3860 %EXTICMD = ();
2340 3861
3862 warn "unloading/nuking all extensions";
3863 for my $pkg (@EXTS) {
3864 warn "... unloading $pkg";
3865
2341 if (my $cb = $k->can ("unload_module")) { 3866 if (my $cb = $pkg->can ("unload")) {
3867 eval {
2342 $cb->(); 3868 $cb->($pkg);
3869 1
3870 } or warn "$pkg unloaded, but with errors: $@";
3871 }
3872
3873 warn "... clearing $pkg";
3874 clear_package $pkg;
2343 } 3875 }
2344 3876
2345 Symbol::delete_package $k; 3877 warn "unloading all perl modules loaded from $LIBDIR";
3878 while (my ($k, $v) = each %INC) {
3879 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3880
3881 warn "... unloading $k";
3882 delete $INC{$k};
3883
3884 $k =~ s/\.pm$//;
3885 $k =~ s/\//::/g;
3886
3887 if (my $cb = $k->can ("unload_module")) {
3888 $cb->();
3889 }
3890
3891 clear_package $k;
2346 } 3892 }
2347 3893
2348 warn "get rid of safe::, as good as possible"; 3894 warn "getting rid of safe::, as good as possible";
2349 Symbol::delete_package "safe::$_" 3895 clear_package "safe::$_"
2350 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3896 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351 3897
2352 warn "unload cf.pm \"a bit\""; 3898 warn "unloading cf.pm \"a bit\"";
2353 delete $INC{"cf.pm"}; 3899 delete $INC{"cf.pm"};
3900 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354 3901
2355 # don't, removes xs symbols, too, 3902 # don't, removes xs symbols, too,
2356 # and global variables created in xs 3903 # and global variables created in xs
2357 #Symbol::delete_package __PACKAGE__; 3904 #clear_package __PACKAGE__;
2358 3905
3906 warn "unload completed, starting to reload now";
3907
2359 warn "reloading cf.pm"; 3908 warn "reloading cf.pm";
2360 require cf; 3909 require cf;
2361 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3910 cf::_connect_to_perl_1;
2362 3911
2363 warn "load config and database again"; 3912 warn "loading config and database again";
2364 cf::cfg_load; 3913 cf::reload_config;
2365 cf::db_load;
2366 3914
2367 warn "load extensions"; 3915 warn "loading extensions";
2368 cf::load_extensions; 3916 cf::load_extensions;
2369 3917
3918 if ($REATTACH_ON_RELOAD) {
2370 warn "reattach attachments to objects/players"; 3919 warn "reattaching attachments to objects/players";
2371 _global_reattach; 3920 _global_reattach; # objects, sockets
2372 warn "reattach attachments to maps"; 3921 warn "reattaching attachments to maps";
2373 reattach $_ for values %MAP; 3922 reattach $_ for values %MAP;
3923 warn "reattaching attachments to players";
3924 reattach $_ for values %PLAYER;
3925 }
3926
3927 warn "running post_init jobs";
3928 (pop @POST_INIT)->(1) while @POST_INIT;
3929
3930 warn "leaving sync_job";
3931
3932 1
3933 } or do {
3934 warn $@;
3935 cf::cleanup "error while reloading, exiting.";
3936 };
3937
3938 warn "reloaded";
3939 --$RELOAD;
3940 }
3941
3942 $t1 = AE::time - $t1;
3943 warn "reload completed in ${t1}s\n";
3944};
3945
3946our $RELOAD_WATCHER; # used only during reload
3947
3948sub reload_perl() {
3949 # doing reload synchronously and two reloads happen back-to-back,
3950 # coro crashes during coro_state_free->destroy here.
3951
3952 $RELOAD_WATCHER ||= cf::async {
3953 Coro::AIO::aio_wait cache_extensions;
3954
3955 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3956 do_reload_perl;
3957 undef $RELOAD_WATCHER;
3958 };
2374 }; 3959 };
2375
2376 if ($@) {
2377 warn $@;
2378 warn "error while reloading, exiting.";
2379 exit 1;
2380 }
2381
2382 warn "reloaded";
2383};
2384
2385#############################################################################
2386
2387unless ($LINK_MAP) {
2388 $LINK_MAP = cf::map::new;
2389
2390 $LINK_MAP->width (41);
2391 $LINK_MAP->height (41);
2392 $LINK_MAP->alloc;
2393 $LINK_MAP->path ("{link}");
2394 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397 # dirty hack because... archetypes are not yet loaded
2398 Event->timer (
2399 after => 10,
2400 cb => sub {
2401 $_[0]->w->cancel;
2402
2403 # provide some exits "home"
2404 my $exit = cf::object::new "exit";
2405
2406 $exit->slaying ($EMERGENCY_POSITION->[0]);
2407 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410 $LINK_MAP->insert ($exit->clone, 19, 19);
2411 $LINK_MAP->insert ($exit->clone, 19, 20);
2412 $LINK_MAP->insert ($exit->clone, 19, 21);
2413 $LINK_MAP->insert ($exit->clone, 20, 19);
2414 $LINK_MAP->insert ($exit->clone, 20, 21);
2415 $LINK_MAP->insert ($exit->clone, 21, 19);
2416 $LINK_MAP->insert ($exit->clone, 21, 20);
2417 $LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419 $exit->destroy;
2420 });
2421
2422 $LINK_MAP->{deny_save} = 1;
2423 $LINK_MAP->{deny_reset} = 1;
2424
2425 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426} 3960}
2427 3961
2428register_command "reload" => sub { 3962register_command "reload" => sub {
2429 my ($who, $arg) = @_; 3963 my ($who, $arg) = @_;
2430 3964
2431 if ($who->flag (FLAG_WIZ)) { 3965 if ($who->flag (FLAG_WIZ)) {
2432 $who->message ("start of reload.");
2433 reload;
2434 $who->message ("end of reload."); 3966 $who->message ("reloading server.");
3967 async {
3968 $Coro::current->{desc} = "perl_reload";
3969 reload_perl;
3970 };
2435 } 3971 }
2436}; 3972};
2437 3973
2438unshift @INC, $LIBDIR; 3974unshift @INC, $LIBDIR;
2439 3975
2440$TICK_WATCHER = Event->timer ( 3976my $bug_warning = 0;
2441 reentrant => 0, 3977
2442 prio => 0, 3978our @WAIT_FOR_TICK;
2443 at => $NEXT_TICK || $TICK, 3979our @WAIT_FOR_TICK_BEGIN;
2444 data => WF_AUTOCANCEL, 3980
2445 cb => sub { 3981sub wait_for_tick {
3982 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3983
3984 my $signal = new Coro::Signal;
3985 push @WAIT_FOR_TICK, $signal;
3986 $signal->wait;
3987}
3988
3989sub wait_for_tick_begin {
3990 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3991
3992 my $signal = new Coro::Signal;
3993 push @WAIT_FOR_TICK_BEGIN, $signal;
3994 $signal->wait;
3995}
3996
3997sub tick {
3998 if ($Coro::current != $Coro::main) {
3999 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
4000 unless ++$bug_warning > 10;
4001 return;
4002 }
4003
2446 cf::server_tick; # one server iteration 4004 cf::server_tick; # one server iteration
2447 $RUNTIME += $TICK;
2448 $NEXT_TICK += $TICK;
2449 4005
2450 $WAIT_FOR_TICK->broadcast; 4006 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2451 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452 4007
2453 # if we are delayed by four ticks or more, skip them all 4008 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 4009 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455 4010 Coro::async_pool {
2456 $TICK_WATCHER->at ($NEXT_TICK); 4011 $Coro::current->{desc} = "runtime saver";
2457 $TICK_WATCHER->start;
2458 },
2459);
2460
2461IO::AIO::max_poll_time $TICK * 0.2;
2462
2463Event->io (
2464 fd => IO::AIO::poll_fileno,
2465 poll => 'r',
2466 prio => 5,
2467 data => WF_AUTOCANCEL,
2468 cb => \&IO::AIO::poll_cb,
2469);
2470
2471Event->timer (
2472 data => WF_AUTOCANCEL,
2473 after => 0,
2474 interval => 10,
2475 cb => sub {
2476 (Coro::unblock_sub {
2477 write_runtime 4012 write_runtime_sync
2478 or warn "ERROR: unable to write runtime file: $!"; 4013 or warn "ERROR: unable to write runtime file: $!";
2479 })->(); 4014 };
2480 }, 4015 }
2481); 4016
4017 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4018 $sig->send;
4019 }
4020 while (my $sig = shift @WAIT_FOR_TICK) {
4021 $sig->send;
4022 }
4023
4024 $LOAD = ($NOW - $TICK_START) / $TICK;
4025 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4026
4027 if (0) {
4028 if ($NEXT_TICK) {
4029 my $jitter = $TICK_START - $NEXT_TICK;
4030 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4031 warn "jitter $JITTER\n";#d#
4032 }
4033 }
4034}
4035
4036{
4037 # configure BDB
4038
4039 BDB::min_parallel 16;
4040 BDB::max_poll_reqs $TICK * 0.1;
4041 $AnyEvent::BDB::WATCHER->priority (1);
4042
4043 unless ($DB_ENV) {
4044 $DB_ENV = BDB::db_env_create;
4045 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4046 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4047 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4048 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4049 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4050
4051 cf::sync_job {
4052 eval {
4053 BDB::db_env_open
4054 $DB_ENV,
4055 $BDBDIR,
4056 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4057 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4058 0666;
4059
4060 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4061 };
4062
4063 cf::cleanup "db_env_open(db): $@" if $@;
4064 };
4065 }
4066
4067 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4068 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4069 };
4070 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4071 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4072 };
4073 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4074 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4075 };
4076}
4077
4078{
4079 # configure IO::AIO
4080
4081 IO::AIO::min_parallel 8;
4082 IO::AIO::max_poll_time $TICK * 0.1;
4083 undef $AnyEvent::AIO::WATCHER;
4084}
4085
4086my $_log_backtrace;
4087
4088sub _log_backtrace {
4089 my ($msg, @addr) = @_;
4090
4091 $msg =~ s/\n//;
4092
4093 # limit the # of concurrent backtraces
4094 if ($_log_backtrace < 2) {
4095 ++$_log_backtrace;
4096 my $perl_bt = Carp::longmess $msg;
4097 async {
4098 $Coro::current->{desc} = "abt $msg";
4099
4100 my @bt = fork_call {
4101 @addr = map { sprintf "%x", $_ } @addr;
4102 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4103 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4104 or die "addr2line: $!";
4105
4106 my @funcs;
4107 my @res = <$fh>;
4108 chomp for @res;
4109 while (@res) {
4110 my ($func, $line) = splice @res, 0, 2, ();
4111 push @funcs, "[$func] $line";
4112 }
4113
4114 @funcs
4115 };
4116
4117 LOG llevInfo, "[ABT] $perl_bt\n";
4118 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4119 LOG llevInfo, "[ABT] $_\n" for @bt;
4120 --$_log_backtrace;
4121 };
4122 } else {
4123 LOG llevInfo, "[ABT] $msg\n";
4124 LOG llevInfo, "[ABT] [suppressed]\n";
4125 }
4126}
4127
4128# load additional modules
4129require "cf/$_.pm" for @EXTRA_MODULES;
4130cf::_connect_to_perl_2;
2482 4131
2483END { cf::emergency_save } 4132END { cf::emergency_save }
2484 4133
24851 41341
2486 4135

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