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Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.528 by root, Fri Apr 23 04:42:12 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98our $DATADIR = datadir;
99our $LIBDIR = "$DATADIR/ext";
100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
118
119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 121our $NEXT_TICK;
50our $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);
51 130
52our %CFG; 131our %CFG;
53 132
54our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 134our $RUNTIME;
135our $NOW;
56 136
57our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
58our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
59our $LINK_MAP; # the special {link} map 139our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61 140
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 141# used to convert map paths into valid unix filenames by replacing / by ∕
63our $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 $REALLY_UNLOOP; # never set to true, please :)
64 153
65binmode STDOUT; 154binmode STDOUT;
66binmode STDERR; 155binmode STDERR;
67 156
68# read virtual server time, if available 157# read virtual server time, if available
69unless ($RUNTIME || !-e cf::localdir . "/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
70 open my $fh, "<", cf::localdir . "/runtime" 159 open my $fh, "<", $RUNTIMEFILE
71 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
72 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
73} 162}
74 163
75mkdir cf::localdir; 164eval "sub TICK() { $TICK } 1" or die;
76mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS;
80 165
81# a special map that is always available 166mkdir $_
82our $LINK_MAP; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
168
83our $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::"} };
84 187
85############################################################################# 188#############################################################################
86 189
87=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
88 191
… …
95=item $cf::RUNTIME 198=item $cf::RUNTIME
96 199
97The 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
98every server tick. 201every server tick.
99 202
100=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
101 206
102The perl library directory, where extensions and cf-specific modules can 207Various directories - "/etc", read-only install directory, perl-library
103be 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.
104 211
105=item $cf::NOW 212=item $cf::NOW
106 213
107The time of the last (current) server tick. 214The time of the last (current) server tick.
108 215
109=item $cf::TICK 216=item $cf::TICK
110 217
111The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
112 219
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
113=item %cf::CFG 230=item %cf::CFG
114 231
115Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116from wherever your confdir points to. 233from wherever your confdir points to.
117 234
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 235=item cf::wait_for_tick, cf::wait_for_tick_begin
119 236
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 238returns directly I<after> the tick processing (and consequently, can only wake one process
122processing has been done. Call C<< ->wait >> on them to maximise the 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123window of cpu time available, or simply to synchronise to the server tick. 240
241=item @cf::INVOKE_RESULTS
242
243This array contains the results of the last C<invoke ()> call. When
244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
245that call.
246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
124 252
125=back 253=back
126 254
127=cut 255=cut
128 256
129BEGIN { 257$Coro::State::WARNHOOK = sub {
130 *CORE::GLOBAL::warn = sub {
131 my $msg = join "", @_; 258 my $msg = join "", @_;
132 utf8::encode $msg;
133 259
134 $msg .= "\n" 260 $msg .= "\n"
135 unless $msg =~ /\n$/; 261 unless $msg =~ /\n$/;
136 262
263 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
264
137 LOG llevError, $msg; 265 LOG llevError, $msg;
138 }; 266};
139} 267
268$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};
140 281
141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 282@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 283@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 284@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 285@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145@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';
146@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)
147 289
148# 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
149# within the Safe compartment. 291# within the Safe compartment.
150for my $pkg (qw( 292for my $pkg (qw(
151 cf::global cf::attachable 293 cf::global cf::attachable
152 cf::object cf::object::player 294 cf::object cf::object::player
153 cf::client cf::player 295 cf::client cf::player
154 cf::arch cf::living 296 cf::arch cf::living
297 cf::map cf::mapspace
155 cf::map cf::party cf::region 298 cf::party cf::region
156)) { 299)) {
157 no strict 'refs';
158 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 300 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159} 301}
160 302
161$Event::DIED = sub { 303$EV::DIED = sub {
162 warn "error in event callback: @_"; 304 Carp::cluck "error in event callback: @_";
163}; 305};
306
307#############################################################################
164 308
165=head2 UTILITY FUNCTIONS 309=head2 UTILITY FUNCTIONS
166 310
167=over 4 311=over 4
168 312
… …
187 $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;
188 $d 332 $d
189 } || "[unable to dump $_[0]: '$@']"; 333 } || "[unable to dump $_[0]: '$@']";
190} 334}
191 335
192use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194=item $ref = cf::from_json $json 336=item $ref = cf::decode_json $json
195 337
196Converts a JSON string into the corresponding perl data structure. 338Converts a JSON string into the corresponding perl data structure.
197 339
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 340=item $json = cf::encode_json $ref
206 341
207Converts a perl data structure into its JSON representation. 342Converts a perl data structure into its JSON representation.
208 343
209=cut 344=cut
210 345
211sub to_json($) { 346our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 347
213 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;
214} 363}
215 364
216=item cf::lock_wait $string 365=item cf::lock_wait $string
217 366
218Wait until the given lock is available. See cf::lock_acquire. 367Wait until the given lock is available. See cf::lock_acquire.
219 368
220=item my $lock = cf::lock_acquire $string 369=item my $lock = cf::lock_acquire $string
221 370
222Wait 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
223a 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,
224for example when the coroutine gets canceled), the lock is automatically 373for example when the coroutine gets canceled), the lock is automatically
225returned. 374returned.
226 375
376Locks are *not* recursive, locking from the same coro twice results in a
377deadlocked coro.
378
227Lock 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
228uses map_find and cf::map::load uses map_load). 380uses map_find and cf::map::load uses map_load).
229 381
230=cut 382=item $locked = cf::lock_active $string
231 383
232our %LOCK; 384Return true if the lock is currently active, i.e. somebody has locked it.
385
386=cut
387
388our $LOCKS = new Coro::SemaphoreSet;
233 389
234sub lock_wait($) { 390sub lock_wait($) {
235 my ($key) = @_; 391 $LOCKS->wait ($_[0]);
236
237 # wait for lock, if any
238 while ($LOCK{$key}) {
239 push @{ $LOCK{$key} }, $Coro::current;
240 Coro::schedule;
241 }
242} 392}
243 393
244sub lock_acquire($) { 394sub lock_acquire($) {
245 my ($key) = @_; 395 $LOCKS->guard ($_[0])
396}
246 397
247 # wait, to be sure we are not locked 398sub lock_active($) {
248 lock_wait $key; 399 $LOCKS->count ($_[0]) < 1
249
250 $LOCK{$key} = [];
251
252 Coro::guard {
253 # wake up all waiters, to be on the safe side
254 $_->ready for @{ delete $LOCK{$key} };
255 }
256} 400}
257 401
258sub freeze_mainloop { 402sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 403 tick_inhibit_inc;
260 404
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 405 &Guard::guard (\&tick_inhibit_dec);
262 $TICK_WATCHER->stop; 406}
263 $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 $sig->wait;
264} 488}
265 489
266=item cf::async { BLOCK } 490=item cf::async { BLOCK }
267 491
268Currently the same as Coro::async_pool, meaning you cannot use 492Currently the same as Coro::async_pool, meaning you cannot use
… …
273 497
274BEGIN { *async = \&Coro::async_pool } 498BEGIN { *async = \&Coro::async_pool }
275 499
276=item cf::sync_job { BLOCK } 500=item cf::sync_job { BLOCK }
277 501
278The design of crossfire+ requires that the main coro ($Coro::main) is 502The design of Deliantra requires that the main coroutine ($Coro::main)
279always able to handle events or runnable, as crossfire+ is only partly 503is always able to handle events or runnable, as Deliantra is only
280reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 504partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
505acceptable.
281 506
282If it must be done, put the blocking parts into C<sync_job>. This will run 507If it must be done, put the blocking parts into C<sync_job>. This will run
283the given BLOCK in another coroutine while waiting for the result. The 508the given BLOCK in another coroutine while waiting for the result. The
284server will be frozen during this time, so the block should either finish 509server will be frozen during this time, so the block should either finish
285fast or be very important. 510fast or be very important.
… …
288 513
289sub sync_job(&) { 514sub sync_job(&) {
290 my ($job) = @_; 515 my ($job) = @_;
291 516
292 if ($Coro::current == $Coro::main) { 517 if ($Coro::current == $Coro::main) {
518 my $time = AE::time;
519
293 # this is the main coro, too bad, we have to block 520 # this is the main coro, too bad, we have to block
294 # till the operation succeeds, freezing the server :/ 521 # till the operation succeeds, freezing the server :/
295 522
296 # TODO: use suspend/resume instead 523 LOG llevError, Carp::longmess "sync job";#d#
297 # (but this is cancel-safe) 524
298 my $freeze_guard = freeze_mainloop; 525 my $freeze_guard = freeze_mainloop;
299 526
300 my $busy = 1; 527 my $busy = 1;
301 my @res; 528 my @res;
302 529
303 (async { 530 (async {
531 $Coro::current->desc ("sync job coro");
304 @res = eval { $job->() }; 532 @res = eval { $job->() };
305 warn $@ if $@; 533 warn $@ if $@;
306 undef $busy; 534 undef $busy;
307 })->prio (Coro::PRIO_MAX); 535 })->prio (Coro::PRIO_MAX);
308 536
309 while ($busy) { 537 while ($busy) {
310 Coro::cede or Event::one_event; 538 if (Coro::nready) {
539 Coro::cede_notself;
540 } else {
541 EV::loop EV::LOOP_ONESHOT;
311 } 542 }
543 }
544
545 my $time = AE::time - $time;
546
547 $TICK_START += $time; # do not account sync jobs to server load
312 548
313 wantarray ? @res : $res[0] 549 wantarray ? @res : $res[0]
314 } else { 550 } else {
315 # we are in another coroutine, how wonderful, everything just works 551 # we are in another coroutine, how wonderful, everything just works
316 552
… …
336 $EXT_CORO{$coro+0} = $coro; 572 $EXT_CORO{$coro+0} = $coro;
337 573
338 $coro 574 $coro
339} 575}
340 576
341sub write_runtime { 577=item fork_call { }, $args
342 my $runtime = cf::localdir . "/runtime";
343 578
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 579Executes the given code block with the given arguments in a seperate
345 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.
346 583
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 584=cut
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return;
350 585
351 aio_fsync $fh 586sub fork_call(&@) {
352 and return; 587 my ($cb, @args) = @_;
353 588
354 close $fh 589 # we seemingly have to make a local copy of the whole thing,
355 or return; 590 # otherwise perl prematurely frees the stuff :/
591 # TODO: investigate and fix (likely this will be rather laborious)
356 592
357 aio_rename "$runtime~", $runtime 593 my @res = Coro::Util::fork_eval {
358 and return; 594 reset_signals;
595 &$cb
596 }, @args;
359 597
598 wantarray ? @res : $res[-1]
599}
600
601sub objinfo {
360 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 });
361} 775}
362 776
363=back 777=back
364 778
365=cut 779=cut
366 780
367############################################################################# 781#############################################################################
368 782
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502}
503
504# this is somewhat ugly, but style maps do need special treatment
505sub is_style_map {
506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
519}
520
521package cf;
522
523#############################################################################
524
525=head2 ATTACHABLE OBJECTS 783=head2 ATTACHABLE OBJECTS
526 784
527Many 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
528attach callbacks/event handlers (a collection of which is called an "attachment") 786attach callbacks/event handlers (a collection of which is called an "attachment")
529to it. All such attachable objects support the following methods. 787to it. All such attachable objects support the following methods.
530 788
531In 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>
532C<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
533crossfire+). 791Deliantra).
534 792
535=over 4 793=over 4
536 794
537=item $attachable->attach ($attachment, key => $value...) 795=item $attachable->attach ($attachment, key => $value...)
538 796
… …
582=item cf::CLASS::attachment $name, ... 840=item cf::CLASS::attachment $name, ...
583 841
584Register an attachment by C<$name> through which attachable objects of the 842Register an attachment by C<$name> through which attachable objects of the
585given CLASS can refer to this attachment. 843given CLASS can refer to this attachment.
586 844
587Some classes such as crossfire maps and objects can specify attachments 845Some classes such as deliantra maps and objects can specify attachments
588that 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.
589 847
590These calls expect any number of the following handler/hook descriptions: 848These calls expect any number of the following handler/hook descriptions:
591 849
592=over 4 850=over 4
… …
652our @CB_TYPE = (); # registry for type (cf-object class) based events 910our @CB_TYPE = (); # registry for type (cf-object class) based events
653our @CB_MAP = (); 911our @CB_MAP = ();
654 912
655my %attachment; 913my %attachment;
656 914
915sub cf::attachable::thawer_merge {
916 # simply override everything except _meta
917 local $_[0]{_meta};
918 %{$_[0]} = %{$_[1]};
919}
920
657sub _attach_cb($$$$) { 921sub _attach_cb($$$$) {
658 my ($registry, $event, $prio, $cb) = @_; 922 my ($registry, $event, $prio, $cb) = @_;
659 923
660 use sort 'stable'; 924 use sort 'stable';
661 925
… …
695 $registry = $CB_TYPE[$object_type] ||= []; 959 $registry = $CB_TYPE[$object_type] ||= [];
696 960
697 } elsif ($type eq "subtype") { 961 } elsif ($type eq "subtype") {
698 defined $object_type or Carp::croak "subtype specified without type"; 962 defined $object_type or Carp::croak "subtype specified without type";
699 my $object_subtype = shift @arg; 963 my $object_subtype = shift @arg;
700 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 964 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701 965
702 } elsif ($type eq "package") { 966 } elsif ($type eq "package") {
703 my $pkg = shift @arg; 967 my $pkg = shift @arg;
704 968
705 while (my ($name, $id) = each %cb_id) { 969 while (my ($name, $id) = each %cb_id) {
… …
734 _attach $registry, $klass, @attach; 998 _attach $registry, $klass, @attach;
735 } 999 }
736 1000
737 $obj->{$name} = \%arg; 1001 $obj->{$name} = \%arg;
738 } else { 1002 } else {
739 warn "object uses attachment '$name' that is not available, postponing.\n"; 1003 warn "object uses attachment '$name' which is not available, postponing.\n";
740 } 1004 }
741 1005
742 $obj->{_attachment}{$name} = undef; 1006 $obj->{_attachment}{$name} = undef;
743} 1007}
744 1008
… …
746 if (ref $_[0]) { 1010 if (ref $_[0]) {
747 _object_attach @_; 1011 _object_attach @_;
748 } else { 1012 } else {
749 _attach shift->_attach_registry, @_; 1013 _attach shift->_attach_registry, @_;
750 } 1014 }
1015 _recalc_want;
751}; 1016};
752 1017
753# all those should be optimised 1018# all those should be optimised
754sub cf::attachable::detach { 1019sub cf::attachable::detach {
755 my ($obj, $name) = @_; 1020 my ($obj, $name) = @_;
… …
758 delete $obj->{_attachment}{$name}; 1023 delete $obj->{_attachment}{$name};
759 reattach ($obj); 1024 reattach ($obj);
760 } else { 1025 } else {
761 Carp::croak "cannot, currently, detach class attachments"; 1026 Carp::croak "cannot, currently, detach class attachments";
762 } 1027 }
1028 _recalc_want;
763}; 1029};
764 1030
765sub cf::attachable::attached { 1031sub cf::attachable::attached {
766 my ($obj, $name) = @_; 1032 my ($obj, $name) = @_;
767 1033
… …
782 "; 1048 ";
783 die if $@; 1049 die if $@;
784} 1050}
785 1051
786our $override; 1052our $override;
787our @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?
788 1054
789sub override { 1055sub override {
790 $override = 1; 1056 $override = 1;
791 @invoke_results = (); 1057 @INVOKE_RESULTS = (@_);
792} 1058}
793 1059
794sub do_invoke { 1060sub do_invoke {
795 my $event = shift; 1061 my $event = shift;
796 my $callbacks = shift; 1062 my $callbacks = shift;
797 1063
798 @invoke_results = (); 1064 @INVOKE_RESULTS = ();
799 1065
800 local $override; 1066 local $override;
801 1067
802 for (@$callbacks) { 1068 for (@$callbacks) {
803 eval { &{$_->[1]} }; 1069 eval { &{$_->[1]} };
… …
812 } 1078 }
813 1079
814 0 1080 0
815} 1081}
816 1082
817=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1083=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818 1084
819=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1085=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820 1086
821Generate an object-specific event with the given arguments. 1087Generate an object-specific event with the given arguments.
822 1088
823This 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
824removed 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
825results (if you must, access C<@cf::invoke_results> directly). 1091results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826 1092
827=back 1093=back
828 1094
829=cut 1095=cut
830 1096
831############################################################################# 1097#############################################################################
832# object support 1098# object support
1099
1100sub _object_equal($$);
1101sub _object_equal($$) {
1102 my ($a, $b) = @_;
1103
1104 return 0 unless (ref $a) eq (ref $b);
1105
1106 if ("HASH" eq ref $a) {
1107 my @ka = keys %$a;
1108 my @kb = keys %$b;
1109
1110 return 0 if @ka != @kb;
1111
1112 for (0 .. $#ka) {
1113 return 0 unless $ka[$_] eq $kb[$_];
1114 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1115 }
1116
1117 } elsif ("ARRAY" eq ref $a) {
1118
1119 return 0 if @$a != @$b;
1120
1121 for (0 .. $#$a) {
1122 return 0 unless _object_equal $a->[$_], $b->[$_];
1123 }
1124
1125 } elsif ($a ne $b) {
1126 return 0;
1127 }
1128
1129 1
1130}
1131
1132our $SLOW_MERGES;#d#
1133sub _can_merge {
1134 my ($ob1, $ob2) = @_;
1135
1136 ++$SLOW_MERGES;#d#
1137
1138 # we do the slow way here
1139 return _object_equal $ob1, $ob2
1140}
833 1141
834sub reattach { 1142sub reattach {
835 # basically do the same as instantiate, without calling instantiate 1143 # basically do the same as instantiate, without calling instantiate
836 my ($obj) = @_; 1144 my ($obj) = @_;
1145
1146 # no longer needed after getting rid of delete_package?
1147 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837 1148
838 my $registry = $obj->registry; 1149 my $registry = $obj->registry;
839 1150
840 @$registry = (); 1151 @$registry = ();
841 1152
… …
856cf::attachable->attach ( 1167cf::attachable->attach (
857 prio => -1000000, 1168 prio => -1000000,
858 on_instantiate => sub { 1169 on_instantiate => sub {
859 my ($obj, $data) = @_; 1170 my ($obj, $data) = @_;
860 1171
861 $data = from_json $data; 1172 $data = decode_json $data;
862 1173
863 for (@$data) { 1174 for (@$data) {
864 my ($name, $args) = @$_; 1175 my ($name, $args) = @$_;
865 1176
866 $obj->attach ($name, %{$args || {} }); 1177 $obj->attach ($name, %{$args || {} });
… …
882sub object_freezer_save { 1193sub object_freezer_save {
883 my ($filename, $rdata, $objs) = @_; 1194 my ($filename, $rdata, $objs) = @_;
884 1195
885 sync_job { 1196 sync_job {
886 if (length $$rdata) { 1197 if (length $$rdata) {
1198 utf8::decode (my $decname = $filename);
887 warn sprintf "saving %s (%d,%d)\n", 1199 warn sprintf "saving %s (%d,%d)\n",
888 $filename, length $$rdata, scalar @$objs; 1200 $decname, length $$rdata, scalar @$objs
1201 if $VERBOSE_IO;
889 1202
890 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1203 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891 chmod SAVE_MODE, $fh; 1204 aio_chmod $fh, SAVE_MODE;
892 aio_write $fh, 0, (length $$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;
893 aio_fsync $fh; 1208 aio_fsync $fh;
1209 }
894 close $fh; 1210 aio_close $fh;
895 1211
896 if (@$objs) { 1212 if (@$objs) {
897 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) {
898 chmod SAVE_MODE, $fh; 1214 aio_chmod $fh, SAVE_MODE;
899 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1215 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900 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;
901 aio_fsync $fh; 1219 aio_fsync $fh;
1220 }
902 close $fh; 1221 aio_close $fh;
903 aio_rename "$filename.pst~", "$filename.pst"; 1222 aio_rename "$filename.pst~", "$filename.pst";
904 } 1223 }
905 } else { 1224 } else {
906 aio_unlink "$filename.pst"; 1225 aio_unlink "$filename.pst";
907 } 1226 }
908 1227
909 aio_rename "$filename~", $filename; 1228 aio_rename "$filename~", $filename;
1229
1230 $filename =~ s%/[^/]+$%%;
1231 aio_pathsync $filename if $cf::USE_FSYNC;
910 } else { 1232 } else {
911 warn "FATAL: $filename~: $!\n"; 1233 warn "unable to save objects: $filename~: $!\n";
912 } 1234 }
913 } else { 1235 } else {
914 aio_unlink $filename; 1236 aio_unlink $filename;
915 aio_unlink "$filename.pst"; 1237 aio_unlink "$filename.pst";
916 } 1238 }
917 } 1239 };
918} 1240}
919 1241
920sub object_freezer_as_string { 1242sub object_freezer_as_string {
921 my ($rdata, $objs) = @_; 1243 my ($rdata, $objs) = @_;
922 1244
… …
934 or return; 1256 or return;
935 1257
936 unless (aio_stat "$filename.pst") { 1258 unless (aio_stat "$filename.pst") {
937 (aio_load "$filename.pst", $av) >= 0 1259 (aio_load "$filename.pst", $av) >= 0
938 or return; 1260 or return;
1261
939 $av = eval { (Storable::thaw $av)->{objs} }; 1262 my $st = eval { Coro::Storable::thaw $av };
1263 $av = $st->{objs};
940 } 1264 }
941 1265
1266 utf8::decode (my $decname = $filename);
942 warn sprintf "loading %s (%d)\n", 1267 warn sprintf "loading %s (%d,%d)\n",
943 $filename, length $data, scalar @{$av || []};#d# 1268 $decname, length $data, scalar @{$av || []}
1269 if $VERBOSE_IO;
1270
944 return ($data, $av); 1271 ($data, $av)
945} 1272}
1273
1274=head2 COMMAND CALLBACKS
1275
1276=over 4
1277
1278=cut
946 1279
947############################################################################# 1280#############################################################################
948# command handling &c 1281# command handling &c
949 1282
950=item cf::register_command $name => \&callback($ob,$args); 1283=item cf::register_command $name => \&callback($ob,$args);
… …
963 push @{ $COMMAND{$name} }, [$caller, $cb]; 1296 push @{ $COMMAND{$name} }, [$caller, $cb];
964} 1297}
965 1298
966=item cf::register_extcmd $name => \&callback($pl,$packet); 1299=item cf::register_extcmd $name => \&callback($pl,$packet);
967 1300
968Register 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.
969 1306
970If 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
971called. 1308called.
972 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
973=cut 1321=cut
974 1322
975sub register_extcmd { 1323sub register_extcmd {
976 my ($name, $cb) = @_; 1324 my ($name, $cb) = @_;
977 1325
978 $EXTCMD{$name} = $cb; 1326 $EXTCMD{$name} = $cb;
979} 1327}
980 1328
1329sub register_exticmd {
1330 my ($name, $cb) = @_;
1331
1332 $EXTICMD{$name} = $cb;
1333}
1334
1335use File::Glob ();
1336
981cf::player->attach ( 1337cf::player->attach (
982 on_command => sub { 1338 on_unknown_command => sub {
983 my ($pl, $name, $params) = @_; 1339 my ($pl, $name, $params) = @_;
984 1340
985 my $cb = $COMMAND{$name} 1341 my $cb = $COMMAND{$name}
986 or return; 1342 or return;
987 1343
… …
992 cf::override; 1348 cf::override;
993 }, 1349 },
994 on_extcmd => sub { 1350 on_extcmd => sub {
995 my ($pl, $buf) = @_; 1351 my ($pl, $buf) = @_;
996 1352
997 my $msg = eval { from_json $buf }; 1353 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998 1354
999 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
1000 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1363 if (my $cb = $EXTCMD{$type}) {
1001 if (my %reply = $cb->($pl, $msg)) { 1364 @reply = $cb->($pl, @payload);
1002 $pl->ext_reply ($msg->{msgid}, %reply);
1003 }
1004 } 1365 }
1366
1367 $pl->ext_reply ($reply, @reply)
1368 if $reply;
1369
1005 } else { 1370 } else {
1006 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1371 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007 } 1372 }
1008 1373
1009 cf::override; 1374 cf::override;
1010 }, 1375 },
1011); 1376);
1012 1377
1378# "readahead" all extensions
1013sub load_extension { 1379sub cache_extensions {
1014 my ($path) = @_; 1380 my $grp = IO::AIO::aio_group;
1015 1381
1016 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1382 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017 my $base = $1; 1383 for (grep /\.ext$/, @{$_[0]}) {
1018 my $pkg = $1; 1384 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019 $pkg =~ s/[^[:word:]]/_/g; 1385 }
1020 $pkg = "ext::$pkg"; 1386 };
1021 1387
1022 warn "... loading '$path' into '$pkg'\n"; 1388 $grp
1023
1024 open my $fh, "<:utf8", $path
1025 or die "$path: $!";
1026
1027 my $source =
1028 "package $pkg; use strict; use utf8;\n"
1029 . "#line 1 \"$path\"\n{\n"
1030 . (do { local $/; <$fh> })
1031 . "\n};\n1";
1032
1033 eval $source
1034 or die $@ ? "$path: $@\n"
1035 : "extension disabled.\n";
1036
1037 push @EXTS, $pkg;
1038} 1389}
1039 1390
1040sub load_extensions { 1391sub load_extensions {
1392 cf::sync_job {
1393 my %todo;
1394
1041 for my $ext (<$LIBDIR/*.ext>) { 1395 for my $path (<$LIBDIR/*.ext>) {
1042 next unless -r $ext; 1396 next unless -r $path;
1043 eval { 1397
1044 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 }
1045 1 1461 }
1046 } 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 }
1047 } 1472 };
1048} 1473}
1049 1474
1050############################################################################# 1475#############################################################################
1051# load/save/clean perl data associated with a map
1052 1476
1053*cf::mapsupport::on_clean = sub { 1477=back
1054 my ($map) = @_;
1055
1056 my $path = $map->tmpname;
1057 defined $path or return;
1058
1059 unlink "$path.pst";
1060};
1061
1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064#############################################################################
1065 1478
1066=head2 CORE EXTENSIONS 1479=head2 CORE EXTENSIONS
1067 1480
1068Functions and methods that extend core crossfire objects. 1481Functions and methods that extend core deliantra objects.
1069 1482
1070=cut 1483=cut
1071 1484
1072package cf::player; 1485package cf::player;
1073 1486
… …
1075 1488
1076=head3 cf::player 1489=head3 cf::player
1077 1490
1078=over 4 1491=over 4
1079 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
1080=item cf::player::find $login 1507=item cf::player::find $login
1081 1508
1082Returns the given player object, loading it if necessary (might block). 1509Returns the given player object, loading it if necessary (might block).
1083 1510
1084=cut 1511=cut
1085 1512
1086sub playerdir($) { 1513sub playerdir($) {
1087 cf::localdir 1514 "$PLAYERDIR/"
1088 . "/"
1089 . cf::playerdir
1090 . "/"
1091 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1515 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1092} 1516}
1093 1517
1094sub path($) { 1518sub path($) {
1095 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1519 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096 1520
1097 (playerdir $login) . "/$login.pl" 1521 (playerdir $login) . "/playerdata"
1098} 1522}
1099 1523
1100sub find_active($) { 1524sub find_active($) {
1101 $cf::PLAYER{$_[0]} 1525 $cf::PLAYER{$_[0]}
1102 and $cf::PLAYER{$_[0]}->active 1526 and $cf::PLAYER{$_[0]}->active
… …
1105 1529
1106sub exists($) { 1530sub exists($) {
1107 my ($login) = @_; 1531 my ($login) = @_;
1108 1532
1109 $cf::PLAYER{$login} 1533 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login } 1534 or !aio_stat path $login
1111} 1535}
1112 1536
1113sub find($) { 1537sub find($) {
1114 return $cf::PLAYER{$_[0]} || do { 1538 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0]; 1539 my $login = $_[0];
1116 1540
1117 my $guard = cf::lock_acquire "user_find:$login"; 1541 my $guard = cf::lock_acquire "user_find:$login";
1118 1542
1119 $cf::PLAYER{$_[0]} || do { 1543 $cf::PLAYER{$_[0]} || do {
1120 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
1121 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;
1122 $cf::PLAYER{$login} = $pl 1559 $cf::PLAYER{$login} = $pl
1123 } 1560 }
1124 } 1561 }
1125} 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);
1126 1576
1127sub save($) { 1577sub save($) {
1128 my ($pl) = @_; 1578 my ($pl) = @_;
1129 1579
1130 return if $pl->{deny_save}; 1580 return if $pl->{deny_save};
… …
1135 return if $pl->{deny_save}; 1585 return if $pl->{deny_save};
1136 1586
1137 aio_mkdir playerdir $pl, 0770; 1587 aio_mkdir playerdir $pl, 0770;
1138 $pl->{last_save} = $cf::RUNTIME; 1588 $pl->{last_save} = $cf::RUNTIME;
1139 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
1140 $pl->save_pl ($path); 1595 $pl->save_pl ($path);
1141 Coro::cede; 1596 cf::cede_to_tick;
1142} 1597}
1143 1598
1144sub new($) { 1599sub new($) {
1145 my ($login) = @_; 1600 my ($login) = @_;
1146 1601
… …
1152 $cf::PLAYER{$login} = $self; 1607 $cf::PLAYER{$login} = $self;
1153 1608
1154 $self 1609 $self
1155} 1610}
1156 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
1157=item $pl->quit_character 1622=item $pl->quit_character
1158 1623
1159Nukes the player without looking back. If logged in, the connection will 1624Nukes the player without looking back. If logged in, the connection will
1160be destroyed. May block for a long time. 1625be destroyed. May block for a long time.
1161 1626
1162=cut 1627=cut
1163 1628
1164sub quit_character { 1629sub quit_character {
1165 my ($pl) = @_; 1630 my ($pl) = @_;
1166 1631
1632 my $name = $pl->ob->name;
1633
1167 $pl->{deny_save} = 1; 1634 $pl->{deny_save} = 1;
1168 $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
1169 1636
1170 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1637 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171 $pl->deactivate; 1638 $pl->deactivate;
1639 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1640 $pl->ob->check_score;
1172 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1641 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1173 $pl->ns->destroy if $pl->ns; 1642 $pl->ns->destroy if $pl->ns;
1174 1643
1175 my $path = playerdir $pl; 1644 my $path = playerdir $pl;
1176 my $temp = "$path~$cf::RUNTIME~deleting~"; 1645 my $temp = "$path~$cf::RUNTIME~deleting~";
1177 aio_rename $path, $temp; 1646 aio_rename $path, $temp;
1178 delete $cf::PLAYER{$pl->ob->name}; 1647 delete $cf::PLAYER{$pl->ob->name};
1179 $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
1180 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;
1181} 1670}
1182 1671
1183=item cf::player::list_logins 1672=item cf::player::list_logins
1184 1673
1185Returns 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
1186while and may block, so not sync_job-capable, ever. 1675while and may block, so not sync_job-capable, ever.
1187 1676
1188=cut 1677=cut
1189 1678
1190sub list_logins { 1679sub list_logins {
1191 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1680 my $dirs = aio_readdir $PLAYERDIR
1192 or return []; 1681 or return [];
1193 1682
1194 my @logins; 1683 my @logins;
1195 1684
1196 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") {
1197 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1691 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198 aio_read $fh, 0, 512, my $buf, 0 or next; 1692 aio_read $fh, 0, 512, my $buf, 0 or next;
1199 $buf !~ /^password -------------$/m or next; # official not-valid tag 1693 $buf !~ /^password -------------$/m or next; # official not-valid tag
1694 }
1200 1695
1201 utf8::decode $login; 1696 utf8::decode $login;
1202 push @logins, $login; 1697 push @logins, $login;
1203 } 1698 }
1204 1699
1205 \@logins 1700 \@logins
1206} 1701}
1207 1702
1208=item $player->maps 1703=item $player->maps
1209 1704
1705=item cf::player::maps $login
1706
1210Returns 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
1211player. May block. 1708player. May block.
1212 1709
1213=cut 1710=cut
1214 1711
1215sub maps($) { 1712sub maps($) {
1216 my ($pl) = @_; 1713 my ($pl) = @_;
1714
1715 $pl = ref $pl ? $pl->ob->name : $pl;
1217 1716
1218 my $files = aio_readdir playerdir $pl 1717 my $files = aio_readdir playerdir $pl
1219 or return; 1718 or return;
1220 1719
1221 my @paths; 1720 my @paths;
… …
1223 for (@$files) { 1722 for (@$files) {
1224 utf8::decode $_; 1723 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/; 1724 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o; 1725 next unless /^$PATH_SEP/o;
1227 1726
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1727 push @paths, cf::map::normalise "~$pl/$_";
1229 } 1728 }
1230 1729
1231 \@paths 1730 \@paths
1232} 1731}
1233 1732
1733=item $protocol_xml = $player->expand_cfpod ($cfpod)
1734
1735Expand deliantra pod fragments into protocol xml.
1736
1234=item $player->ext_reply ($msgid, $msgtype, %msg) 1737=item $player->ext_reply ($msgid, @msg)
1235 1738
1236Sends an ext reply to the player. 1739Sends an ext reply to the player.
1237 1740
1238=cut 1741=cut
1239 1742
1240sub ext_reply($$$%) { 1743sub ext_reply($$@) {
1241 my ($self, $id, %msg) = @_; 1744 my ($self, $id, @msg) = @_;
1242 1745
1243 $msg{msgid} = $id; 1746 $self->ns->ext_reply ($id, @msg)
1244
1245 $self->send ("ext " . cf::to_json \%msg);
1246} 1747}
1247 1748
1248package cf; 1749=item $player->ext_msg ($type, @msg)
1750
1751Sends an ext event to the client.
1752
1753=cut
1754
1755sub ext_msg($$@) {
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}
1249 1791
1250=back 1792=back
1251
1252 1793
1253=head3 cf::map 1794=head3 cf::map
1254 1795
1255=over 4 1796=over 4
1256 1797
… …
1259package cf::map; 1800package cf::map;
1260 1801
1261use Fcntl; 1802use Fcntl;
1262use Coro::AIO; 1803use Coro::AIO;
1263 1804
1805use overload
1806 '""' => \&as_string,
1807 fallback => 1;
1808
1264our $MAX_RESET = 3600; 1809our $MAX_RESET = 3600;
1265our $DEFAULT_RESET = 3000; 1810our $DEFAULT_RESET = 3000;
1266 1811
1267sub generate_random_map { 1812sub generate_random_map {
1268 my ($path, $rmp) = @_; 1813 my ($self, $rmp) = @_;
1814
1815 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269 1816
1270 # mit "rum" bekleckern, nicht 1817 # mit "rum" bekleckern, nicht
1271 cf::map::_create_random_map ( 1818 $self->_create_random_map (
1272 $path,
1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1819 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1820 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1821 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276 $rmp->{exit_on_final_map}, 1822 $rmp->{exit_on_final_map},
1277 $rmp->{xsize}, $rmp->{ysize}, 1823 $rmp->{xsize}, $rmp->{ysize},
1278 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1824 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1279 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1825 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1828 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283 (cf::region::find $rmp->{region}), $rmp->{custom} 1829 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 ) 1830 )
1285} 1831}
1286 1832
1287# and all this just because we cannot iterate over 1833=item cf::map->register ($regex, $prio)
1288# all maps in C++...
1289sub change_all_map_light {
1290 my ($change) = @_;
1291 1834
1292 $_->change_map_light ($change) 1835Register a handler for the map path matching the given regex at the
1293 for grep $_->outdoor, values %cf::MAP; 1836givne priority (higher is better, built-in handlers have priority 0, the
1294} 1837default).
1295 1838
1296sub load_map_header($) { 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 {
1297 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) = @_;
1298 1978
1299 utf8::encode $path; 1979 utf8::encode $path;
1300 aio_open $path, O_RDONLY, 0 1980 my $f = new_from_file cf::object::thawer $path
1301 or return; 1981 or return;
1302 1982
1303 my $map = cf::map::new 1983 $self->_load_header ($f)
1304 or return; 1984 or return;
1305 1985
1306 # for better error messages only, will be overwritten later 1986 local $MAP_LOADING{$self->{path}} = $self;
1307 $map->path ($path); 1987 $f->resolve_delayed_derefs;
1308 1988
1309 $map->load_header ($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
1310 or return; 2032 or return;
2033 $self->prepare_orig;
2034 }
1311 2035
1312 $map->{load_path} = $path; 2036 $self->{deny_reset} = 1
2037 if $self->no_reset;
1313 2038
1314 $map 2039 $self->default_region (cf::region::find_by_path $self->{path})
2040 unless $self->default_region;
2041
2042 1
1315} 2043}
1316 2044
1317sub find; 2045sub find;
1318sub find { 2046sub find {
1319 my ($path, $origin) = @_; 2047 my ($path, $origin) = @_;
1320 2048
1321 #warn "find<$path,$origin>\n";#d#
1322
1323 $path = new cf::path $path, $origin && $origin->path; 2049 $path = normalise $path, $origin && $origin->path;
1324 my $key = $path->as_string;
1325 2050
1326 cf::lock_wait "map_find:$key"; 2051 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328 $cf::MAP{$key} || do {
1329 my $guard = cf::lock_acquire "map_find:$key"; 2052 my $guard2 = cf::lock_acquire "map_find:$path";
1330 2053
1331 # do it the slow way 2054 $cf::MAP{$path} || do {
1332 my $map = $path->load_temp; 2055 my $map = new_from_path cf::map $path
1333
1334 Coro::cede;
1335
1336 if ($map) {
1337 $map->last_access ((delete $map->{last_access})
1338 || $cf::RUNTIME); #d#
1339 # safety
1340 $map->{instantiate_time} = $cf::RUNTIME
1341 if $map->{instantiate_time} > $cf::RUNTIME;
1342 } else {
1343 $map = $path->load_orig
1344 or return; 2056 or return;
1345 2057
1346 $map->{load_original} = 1;
1347 $map->{instantiate_time} = $cf::RUNTIME;
1348 $map->last_access ($cf::RUNTIME);
1349 $map->instantiate;
1350
1351 # per-player maps become, after loading, normal maps
1352 $map->per_player (0) if $path->{user_rel};
1353 }
1354
1355 $map->path ($key);
1356 $map->{path} = $path;
1357 $map->{last_save} = $cf::RUNTIME; 2058 $map->{last_save} = $cf::RUNTIME;
1358 2059
1359 Coro::cede; 2060 $map->load_header
2061 or return;
1360 2062
1361 if ($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;
1362 $map->reset; 2068 $map->reset;
1363 undef $guard;
1364 $map = find $path 2069 return find $path;
1365 or return;
1366 } 2070 }
1367 2071
1368 $cf::MAP{$key} = $map 2072 $cf::MAP{$path} = $map
1369 } 2073 }
1370} 2074}
2075
2076sub pre_load { }
2077#sub post_load { } # XS
1371 2078
1372sub load { 2079sub load {
1373 my ($self) = @_; 2080 my ($self) = @_;
1374 2081
2082 local $self->{deny_reset} = 1; # loading can take a long time
2083
1375 my $path = $self->{path}; 2084 my $path = $self->{path};
2085
2086 {
1376 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2087 my $guard = cf::lock_acquire "map_data:$path";
1377 2088
2089 return unless $self->valid;
1378 return if $self->in_memory != cf::MAP_SWAPPED; 2090 return unless $self->in_memory == cf::MAP_SWAPPED;
1379 2091
1380 $self->in_memory (cf::MAP_LOADING); 2092 $self->in_memory (cf::MAP_LOADING);
1381 2093
1382 $self->alloc; 2094 $self->alloc;
1383 $self->load_objects ($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)
1384 or return; 2102 or return;
1385 2103
1386 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2104 $self->post_load_original
1387 if delete $self->{load_original}; 2105 if delete $self->{load_original};
1388 2106
1389 if (my $uniq = $path->uniq_path) { 2107 if (my $uniq = $self->uniq_path) {
1390 utf8::encode $uniq; 2108 utf8::encode $uniq;
1391 if (aio_open $uniq, O_RDONLY, 0) { 2109 unless (aio_stat $uniq) {
2110 if (my $f = new_from_file cf::object::thawer $uniq) {
1392 $self->clear_unique_items; 2111 $self->clear_unique_items;
1393 $self->load_objects ($uniq, 0); 2112 $self->_load_objects ($f);
2113 $f->resolve_delayed_derefs;
2114 }
1394 } 2115 }
1395 } 2116 }
1396 2117
1397 Coro::cede; 2118 $f->resolve_delayed_derefs;
1398 2119
2120 cf::cede_to_tick;
1399 # now do the right thing for maps 2121 # now do the right thing for maps
1400 $self->link_multipart_objects; 2122 $self->link_multipart_objects;
1401
1402 if ($self->{path}->is_style_map) {
1403 $self->{deny_save} = 1;
1404 $self->{deny_reset} = 1;
1405 } else {
1406 $self->fix_auto_apply;
1407 $self->decay_objects;
1408 $self->update_buttons;
1409 $self->set_darkness_map;
1410 $self->difficulty ($self->estimate_difficulty) 2123 $self->difficulty ($self->estimate_difficulty)
1411 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;
1412 $self->activate; 2132 $self->activate;
1413 } 2133 }
1414 2134
1415 Coro::cede; 2135 $self->{last_save} = $cf::RUNTIME;
2136 $self->last_access ($cf::RUNTIME);
1416 2137
1417 $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 $self
1418} 2157}
1419 2158
1420# find and load all maps in the 3x3 area around a map 2159# find and load all maps in the 3x3 area around a map
1421sub load_diag { 2160sub load_neighbours {
1422 my ($map) = @_; 2161 my ($map) = @_;
1423 2162
1424 my @diag; # diagonal neighbours 2163 my @neigh; # diagonal neighbours
1425 2164
1426 for (0 .. 3) { 2165 for (0 .. 3) {
1427 my $neigh = $map->tile_path ($_) 2166 my $neigh = $map->tile_path ($_)
1428 or next; 2167 or next;
1429 $neigh = find $neigh, $map 2168 $neigh = find $neigh, $map
1430 or next; 2169 or next;
1431 $neigh->load; 2170 $neigh->load;
1432 2171
2172 # now find the diagonal neighbours
2173 push @neigh,
1433 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2174 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1434 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2175 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1435 } 2176 }
1436 2177
1437 for (@diag) { 2178 for (grep defined $_->[0], @neigh) {
2179 my ($path, $origin) = @$_;
1438 my $neigh = find @$_ 2180 my $neigh = find $path, $origin
1439 or next; 2181 or next;
1440 $neigh->load; 2182 $neigh->load;
1441 } 2183 }
1442} 2184}
1443 2185
… …
1448} 2190}
1449 2191
1450sub do_load_sync { 2192sub do_load_sync {
1451 my ($map) = @_; 2193 my ($map) = @_;
1452 2194
2195 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2196 if $Coro::current == $Coro::main;
2197
1453 cf::sync_job { $map->load }; 2198 cf::sync_job { $map->load };
1454} 2199}
1455 2200
1456our %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
1457our $MAP_PREFETCHER = Coro::async { 2215 $MAP_PREFETCHER ||= cf::async {
1458 while () { 2216 $Coro::current->{desc} = "map prefetcher";
2217
1459 while (%MAP_PREFETCH) { 2218 while (%MAP_PREFETCH) {
1460 my $key = each %MAP_PREFETCH 2219 while (my ($k, $v) = each %MAP_PREFETCH) {
1461 or next; 2220 if (my $map = find $k) {
2221 $map->load if $v;
2222 }
2223
1462 my $path = delete $MAP_PREFETCH{$key}; 2224 delete $MAP_PREFETCH{$k};
1463
1464 my $map = find $path
1465 or next;
1466 $map->load;
1467 } 2225 }
1468 Coro::schedule; 2226 }
2227 undef $MAP_PREFETCHER;
1469 } 2228 };
1470};
1471
1472sub find_async {
1473 my ($path, $origin) = @_;
1474
1475 $path = new cf::path $path, $origin && $origin->path;
1476 my $key = $path->as_string;
1477
1478 if (my $map = $cf::MAP{$key}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 }
1481
1482 $MAP_PREFETCH{$key} = $path;
1483 $MAP_PREFETCHER->ready; 2229 $MAP_PREFETCHER->prio (6);
1484 2230
1485 () 2231 ()
2232}
2233
2234# common code, used by both ->save and ->swapout
2235sub _save {
2236 my ($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 }
1486} 2264}
1487 2265
1488sub save { 2266sub save {
1489 my ($self) = @_; 2267 my ($self) = @_;
1490 2268
1491 my $lock = cf::lock_acquire "map_data:" . $self->path; 2269 my $lock = cf::lock_acquire "map_data:$self->{path}";
1492 2270
1493 $self->{last_save} = $cf::RUNTIME; 2271 $self->_save;
1494
1495 return unless $self->dirty;
1496
1497 my $save = $self->{path}->save_path; utf8::encode $save;
1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1499
1500 $self->{load_path} = $save;
1501
1502 return if $self->{deny_save};
1503
1504 local $self->{last_access} = $self->last_access;#d#
1505
1506 cf::async {
1507 $_->contr->save for $self->players;
1508 };
1509
1510 if ($uniq) {
1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512 $self->save_objects ($uniq, cf::IO_UNIQUES);
1513 } else {
1514 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515 }
1516} 2272}
1517 2273
1518sub swap_out { 2274sub swap_out {
1519 my ($self) = @_; 2275 my ($self) = @_;
1520 2276
1521 # save first because save cedes
1522 $self->save;
1523
1524 my $lock = cf::lock_acquire "map_data:" . $self->path; 2277 my $lock = cf::lock_acquire "map_data:$self->{path}";
1525 2278
2279 return if $self->in_memory != cf::MAP_ACTIVE;
2280 return if $self->{deny_save};
1526 return if $self->players; 2281 return if $self->players;
1527 return if $self->in_memory != cf::MAP_IN_MEMORY;
1528 return if $self->{deny_save};
1529 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
1530 $self->clear; 2292 $self->clear;
1531 $self->in_memory (cf::MAP_SWAPPED);
1532} 2293}
1533 2294
1534sub reset_at { 2295sub reset_at {
1535 my ($self) = @_; 2296 my ($self) = @_;
1536 2297
1537 # TODO: safety, remove and allow resettable per-player maps 2298 # TODO: safety, remove and allow resettable per-player maps
1538 return 1e99 if $self->{path}{user_rel};
1539 return 1e99 if $self->{deny_reset}; 2299 return 1e99 if $self->{deny_reset};
1540 2300
1541 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2301 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2302 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543 2303
… …
1548 my ($self) = @_; 2308 my ($self) = @_;
1549 2309
1550 $self->reset_at <= $cf::RUNTIME 2310 $self->reset_at <= $cf::RUNTIME
1551} 2311}
1552 2312
1553sub unlink_save {
1554 my ($self) = @_;
1555
1556 utf8::encode (my $save = $self->{path}->save_path);
1557 aioreq_pri 3; IO::AIO::aio_unlink $save;
1558 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559}
1560
1561sub rename {
1562 my ($self, $new_path) = @_;
1563
1564 $self->unlink_save;
1565
1566 delete $cf::MAP{$self->path};
1567 $self->{path} = new cf::path $new_path;
1568 $self->path ($self->{path}->as_string);
1569 $cf::MAP{$self->path} = $self;
1570
1571 $self->save;
1572}
1573
1574sub reset { 2313sub reset {
1575 my ($self) = @_; 2314 my ($self) = @_;
1576 2315
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2316 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2317
1579 return if $self->players; 2318 return if $self->players;
1580 return if $self->{path}{user_rel};#d#
1581 2319
1582 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 }
1583 2331
1584 delete $cf::MAP{$self->path}; 2332 delete $cf::MAP{$self->path};
1585 2333
2334 $self->deactivate;
1586 $_->clear_links_to ($self) for values %cf::MAP; 2335 $_->clear_links_to ($self) for values %cf::MAP;
2336 $self->clear;
1587 2337
1588 $self->unlink_save; 2338 $self->unlink_save;
1589 $self->destroy; 2339 $self->destroy;
1590} 2340}
1591 2341
1592my $nuke_counter = "aaaa"; 2342my $nuke_counter = "aaaa";
1593 2343
1594sub nuke { 2344sub nuke {
1595 my ($self) = @_; 2345 my ($self) = @_;
1596 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};
1597 $self->{deny_save} = 1; 2356 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 2357 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 2358 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2359
2360 $cf::MAP{$self->path} = $self;
2361 }
2362
1600 $self->reset; # polite request, might not happen 2363 $self->reset; # polite request, might not happen
1601} 2364}
1602 2365
1603sub customise_for { 2366=item $maps = cf::map::tmp_maps
1604 my ($map, $ob) = @_;
1605 2367
1606 if ($map->per_player) { 2368Returns an arrayref with all map paths of currently instantiated and saved
1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2369maps. May block.
2370
2371=cut
2372
2373sub tmp_maps() {
1608 } 2374 [
2375 map {
2376 utf8::decode $_;
2377 /\.map$/
2378 ? normalise $_
2379 : ()
2380 } @{ aio_readdir $TMPDIR or [] }
2381 ]
2382}
1609 2383
1610 $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 ]
1611} 2400}
1612 2401
1613=item cf::map::unique_maps 2402=item cf::map::unique_maps
1614 2403
1615Returns an arrayref of cf::path's of all shared maps that have 2404Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 2405instantiated unique items. May block.
1617 2406
1618=cut 2407=cut
1619 2408
1620sub unique_maps() { 2409sub unique_maps() {
1621 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2410 [
1622 or return; 2411 map {
1623
1624 my @paths;
1625
1626 for (@$files) {
1627 utf8::decode $_; 2412 utf8::decode $_;
1628 next if /\.pst$/; 2413 s/\.map$//; # TODO future compatibility hack
1629 next unless /^$PATH_SEP/o; 2414 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630 2415 ? ()
1631 push @paths, new cf::path $_; 2416 : normalise $_
2417 } @{ aio_readdir $UNIQUEDIR or [] }
1632 } 2418 ]
1633
1634 \@paths
1635} 2419}
1636 2420
1637package 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}
1638 2452
1639=back 2453=back
1640 2454
1641=head3 cf::object 2455=head3 cf::object
1642 2456
… …
1646 2460
1647=over 4 2461=over 4
1648 2462
1649=item $ob->inv_recursive 2463=item $ob->inv_recursive
1650 2464
1651Returns 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.
1652 2467
1653=cut 2468=cut
1654 2469
1655sub inv_recursive_; 2470sub inv_recursive_;
1656sub inv_recursive_ { 2471sub inv_recursive_ {
… …
1659 2474
1660sub inv_recursive { 2475sub inv_recursive {
1661 inv_recursive_ inv $_[0] 2476 inv_recursive_ inv $_[0]
1662} 2477}
1663 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
1664package cf; 2507package cf;
1665 2508
1666=back 2509=back
1667 2510
1668=head3 cf::object::player 2511=head3 cf::object::player
… …
1674Sends 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>
1675can 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
1676dialogue with the given NPC character. 2519dialogue with the given NPC character.
1677 2520
1678=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};
1679 2536
1680# rough implementation of a future "reply" method that works 2537# rough implementation of a future "reply" method that works
1681# with dialog boxes. 2538# with dialog boxes.
1682#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
1683sub cf::object::player::reply($$$;$) { 2540sub cf::object::player::reply($$$;$) {
… …
1685 2542
1686 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2543 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687 2544
1688 if ($self->{record_replies}) { 2545 if ($self->{record_replies}) {
1689 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2546 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2547
1690 } 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 {
1691 $msg = $npc->name . " says: $msg" if $npc; 2556 $msg = $npc->name . " says: $msg" if $npc;
1692 $self->message ($msg, $flags); 2557 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2558 }
1693 } 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 (@_);
1694} 2570}
1695 2571
1696=item $player_object->may ("access") 2572=item $player_object->may ("access")
1697 2573
1698Returns wether the given player is authorized to access resource "access" 2574Returns wether the given player is authorized to access resource "access"
… …
1711 2587
1712=item $player_object->enter_link 2588=item $player_object->enter_link
1713 2589
1714Freezes 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}>).
1715 2591
1716The 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.
1717I<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.
1718 2598
1719=item $player_object->leave_link ($map, $x, $y) 2599=item $player_object->leave_link ($map, $x, $y)
1720 2600
1721Moves the player out of the specila link map onto the given map. If the 2601Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 2602map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 2603to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 2604fails, to the emergency map position.
1725 2605
1726Might block. 2606Might block.
1727 2607
1728=cut 2608=cut
2609
2610sub link_map {
2611 unless ($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 $LINK_MAP
2618}
1729 2619
1730sub cf::object::player::enter_link { 2620sub cf::object::player::enter_link {
1731 my ($self) = @_; 2621 my ($self) = @_;
1732 2622
1733 $self->deactivate_recursive; 2623 $self->deactivate_recursive;
1734 2624
1735 return if $self->map == $LINK_MAP; 2625 ++$self->{_link_recursion};
2626
2627 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 2628
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2629 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 2630 if $self->map && $self->map->{path} ne "{link}";
1739 2631
1740 $self->enter_map ($LINK_MAP, 20, 20); 2632 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1741} 2633}
1742 2634
1743sub cf::object::player::leave_link { 2635sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 2636 my ($self, $map, $x, $y) = @_;
2637
2638 return unless $self->contr->active;
1745 2639
1746 my $link_pos = delete $self->{_link_pos}; 2640 my $link_pos = delete $self->{_link_pos};
1747 2641
1748 unless ($map) { 2642 unless ($map) {
1749 # restore original map position 2643 # restore original map position
… …
1760 ($x, $y) = (-1, -1) 2654 ($x, $y) = (-1, -1)
1761 unless (defined $x) && (defined $y); 2655 unless (defined $x) && (defined $y);
1762 2656
1763 # use -1 or undef as default coordinates, not 0, 0 2657 # use -1 or undef as default coordinates, not 0, 0
1764 ($x, $y) = ($map->enter_x, $map->enter_y) 2658 ($x, $y) = ($map->enter_x, $map->enter_y)
1765 if $x <=0 && $y <= 0; 2659 if $x <= 0 && $y <= 0;
1766 2660
1767 $map->load; 2661 $map->load;
1768 $map->load_diag; 2662 $map->load_neighbours;
1769 2663
1770 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
1771 $self->activate_recursive; 2671 $self->activate_recursive;
1772 $self->enter_map ($map, $x, $y);
1773}
1774
1775cf::player->attach (
1776 on_logout => sub {
1777 my ($pl) = @_;
1778
1779 # abort map switching before logout
1780 if ($pl->ob->{_link_pos}) {
1781 cf::sync_job {
1782 $pl->ob->leave_link
1783 };
1784 }
1785 }, 2672 }
1786 on_login => sub {
1787 my ($pl) = @_;
1788 2673
1789 # try to abort aborted map switching on player login :) 2674}
1790 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link;
1793 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED);
1800 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link;
1802 })->prio (2);
1803 }
1804 },
1805);
1806 2675
1807=item $player_object->goto ($path, $x, $y) 2676=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808 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
1809=cut 2687=cut
2688
2689our $GOTOGEN;
1810 2690
1811sub cf::object::player::goto { 2691sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 2692 my ($self, $path, $x, $y, $check, $done) = @_;
1813 2693
1814 $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;
1815 2702
1816 $self->enter_link; 2703 $self->enter_link;
1817 2704
1818 (async { 2705 (async {
1819 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) {
1820 $map = $map->customise_for ($self) if $map; 2731 $map = $map->customise_for ($self);
1821 2732 $map = $check->($map, $x, $y, $self) if $check && $map;
1822# warn "entering ", $map->path, " at ($x, $y)\n" 2733 } else {
1823# if $map;
1824
1825 $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 }
1826 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};
1827 $self->leave_link ($map, $x, $y); 2747 $self->leave_link ($map, $x, $y);
2748 }
2749
2750 $done->($self) if $done;
1828 })->prio (1); 2751 })->prio (1);
1829} 2752}
1830 2753
1831=item $player_object->enter_exit ($exit_object) 2754=item $player_object->enter_exit ($exit_object)
1832 2755
… …
1834 2757
1835sub parse_random_map_params { 2758sub parse_random_map_params {
1836 my ($spec) = @_; 2759 my ($spec) = @_;
1837 2760
1838 my $rmp = { # defaults 2761 my $rmp = { # defaults
1839 xsize => 10, 2762 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 2763 ysize => (cf::rndm 15, 40),
2764 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2765 #layout => string,
1841 }; 2766 };
1842 2767
1843 for (split /\n/, $spec) { 2768 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 2769 my ($k, $v) = split /\s+/, $_, 2;
1845 2770
… …
1857 # that depends on the exit object 2782 # that depends on the exit object
1858 2783
1859 my $rmp = parse_random_map_params $exit->msg; 2784 my $rmp = parse_random_map_params $exit->msg;
1860 2785
1861 if ($exit->map) { 2786 if ($exit->map) {
1862 $rmp->{region} = $exit->map->region_name; 2787 $rmp->{region} = $exit->region->name;
1863 $rmp->{origin_map} = $exit->map->path; 2788 $rmp->{origin_map} = $exit->map->path;
1864 $rmp->{origin_x} = $exit->x; 2789 $rmp->{origin_x} = $exit->x;
1865 $rmp->{origin_y} = $exit->y; 2790 $rmp->{origin_y} = $exit->y;
2791
2792 $exit->map->touch;
1866 } 2793 }
1867 2794
1868 $rmp->{random_seed} ||= $exit->random_seed; 2795 $rmp->{random_seed} ||= $exit->random_seed;
1869 2796
1870 my $data = cf::to_json $rmp; 2797 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871 my $md5 = Digest::MD5::md5_hex $data; 2798 my $md5 = Digest::MD5::md5_hex $data;
2799 my $meta = "$RANDOMDIR/$md5.meta";
1872 2800
1873 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) {
1874 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;
1875 2805
2806 my $slaying = "?random/$md5";
2807
2808 if ($exit->valid) {
1876 $exit->slaying ("?random/$md5"); 2809 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 2810 $exit->msg (undef);
2811 }
1878 } 2812 }
1879} 2813}
1880 2814
1881sub cf::object::player::enter_exit { 2815sub cf::object::player::enter_exit {
1882 my ($self, $exit) = @_; 2816 my ($self, $exit) = @_;
… …
1884 return unless $self->type == cf::PLAYER; 2818 return unless $self->type == cf::PLAYER;
1885 2819
1886 $self->enter_link; 2820 $self->enter_link;
1887 2821
1888 (async { 2822 (async {
1889 $self->deactivate_recursive; # just to be sure 2823 $Coro::current->{desc} = "enter_exit";
2824
1890 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
1891 prepare_random_map $exit 2832 prepare_random_map $exit
1892 if $exit->slaying eq "/!"; 2833 if $exit->slaying eq "/!";
2834 }
1893 2835
1894 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;
1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2837 my $x = $exit->stats->hp;
2838 my $y = $exit->stats->sp;
1896 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
1897 1; 2846 1
1898 }) { 2847 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 2848 $self->message ("Something went wrong deep within the deliantra server. "
1900 . "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. "
1901 . "Please report this to the dungeon master!", 2850 . "Please report this to the dungeon master!",
1902 cf::NDI_UNIQUE | cf::NDI_RED); 2851 cf::NDI_UNIQUE | cf::NDI_RED);
1903 2852
1904 warn "ERROR in enter_exit: $@"; 2853 warn "ERROR in enter_exit: $@";
1905 $self->leave_link; 2854 $self->leave_link;
1906 } 2855 }
1907 })->prio (1); 2856 })->prio (1);
… …
1920 2869
1921sub cf::client::send_drawinfo { 2870sub cf::client::send_drawinfo {
1922 my ($self, $text, $flags) = @_; 2871 my ($self, $text, $flags) = @_;
1923 2872
1924 utf8::encode $text; 2873 utf8::encode $text;
1925 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2874 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926} 2875}
1927 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}
1928 3098
1929=item $success = $client->query ($flags, "text", \&cb) 3099=item $success = $client->query ($flags, "text", \&cb)
1930 3100
1931Queues a query to the client, calling the given callback with 3101Queues a query to the client, calling the given callback with
1932the 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>,
1933C<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>.
1934 3104
1935Queries 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
1936reliable at some point in the future. 3106become reliable at some point in the future.
1937 3107
1938=cut 3108=cut
1939 3109
1940sub cf::client::query { 3110sub cf::client::query {
1941 my ($self, $flags, $text, $cb) = @_; 3111 my ($self, $flags, $text, $cb) = @_;
… …
1949 utf8::encode $text; 3119 utf8::encode $text;
1950 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3120 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951 3121
1952 $self->send_packet ($self->{query_queue}[0][0]) 3122 $self->send_packet ($self->{query_queue}[0][0])
1953 if @{ $self->{query_queue} } == 1; 3123 if @{ $self->{query_queue} } == 1;
3124
3125 1
1954} 3126}
1955 3127
1956cf::client->attach ( 3128cf::client->attach (
3129 on_connect => sub {
3130 my ($ns) = @_;
3131
3132 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3133 },
1957 on_reply => sub { 3134 on_reply => sub {
1958 my ($ns, $msg) = @_; 3135 my ($ns, $msg) = @_;
1959 3136
1960 # this weird shuffling is so that direct followup queries 3137 # this weird shuffling is so that direct followup queries
1961 # get handled first 3138 # get handled first
1962 my $queue = delete $ns->{query_queue} 3139 my $queue = delete $ns->{query_queue}
1963 or return; # be conservative, not sure how that can happen, but we saw a crash here 3140 or return; # be conservative, not sure how that can happen, but we saw a crash here
1964 3141
1965 (shift @$queue)->[1]->($msg); 3142 (shift @$queue)->[1]->($msg);
3143 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966 3144
1967 push @{ $ns->{query_queue} }, @$queue; 3145 push @{ $ns->{query_queue} }, @$queue;
1968 3146
1969 if (@{ $ns->{query_queue} } == @$queue) { 3147 if (@{ $ns->{query_queue} } == @$queue) {
1970 if (@$queue) { 3148 if (@$queue) {
… …
1972 } else { 3150 } else {
1973 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3151 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974 } 3152 }
1975 } 3153 }
1976 }, 3154 },
3155 on_exticmd => sub {
3156 my ($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 },
1977); 3181);
1978 3182
1979=item $client->async (\&cb) 3183=item $client->async (\&cb)
1980 3184
1981Create a new coroutine, running the specified callback. The coroutine will 3185Create a new coroutine, running the specified callback. The coroutine will
… …
1997 3201
1998 $coro 3202 $coro
1999} 3203}
2000 3204
2001cf::client->attach ( 3205cf::client->attach (
2002 on_destroy => sub { 3206 on_client_destroy => sub {
2003 my ($ns) = @_; 3207 my ($ns) = @_;
2004 3208
2005 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3209 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006 }, 3210 },
2007); 3211);
… …
2022our $safe = new Safe "safe"; 3226our $safe = new Safe "safe";
2023our $safe_hole = new Safe::Hole; 3227our $safe_hole = new Safe::Hole;
2024 3228
2025$SIG{FPE} = 'IGNORE'; 3229$SIG{FPE} = 'IGNORE';
2026 3230
2027$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3231$safe->permit_only (Opcode::opset qw(
3232 :base_core :base_mem :base_orig :base_math :base_loop
3233 grepstart grepwhile mapstart mapwhile
3234 sort time
3235));
2028 3236
2029# here we export the classes and methods available to script code 3237# here we export the classes and methods available to script code
2030 3238
2031=pod 3239=pod
2032 3240
2033The following fucntions and emthods are available within a safe environment: 3241The following functions and methods are available within a safe environment:
2034 3242
2035 cf::object contr pay_amount pay_player map 3243 cf::object
3244 contr pay_amount pay_player map x y force_find force_add destroy
3245 insert remove name archname title slaying race decrease split
3246 value
3247
2036 cf::object::player player 3248 cf::object::player
2037 cf::player peaceful 3249 player
2038 cf::map trigger 3250
3251 cf::player
3252 peaceful
3253
3254 cf::map
3255 trigger
2039 3256
2040=cut 3257=cut
2041 3258
2042for ( 3259for (
2043 ["cf::object" => qw(contr pay_amount pay_player map)], 3260 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3261 insert remove inv nrof name archname title slaying race
3262 decrease split destroy change_exp value msg lore send_msg)],
2044 ["cf::object::player" => qw(player)], 3263 ["cf::object::player" => qw(player)],
2045 ["cf::player" => qw(peaceful)], 3264 ["cf::player" => qw(peaceful send_msg)],
2046 ["cf::map" => qw(trigger)], 3265 ["cf::map" => qw(trigger)],
2047) { 3266) {
2048 no strict 'refs'; 3267 no strict 'refs';
2049 my ($pkg, @funs) = @$_; 3268 my ($pkg, @funs) = @$_;
2050 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3269 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2068 3287
2069 my $qcode = $code; 3288 my $qcode = $code;
2070 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3289 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2071 $qcode =~ s/\n/\\n/g; 3290 $qcode =~ s/\n/\\n/g;
2072 3291
3292 %vars = (_dummy => 0) unless %vars;
3293
3294 my @res;
2073 local $_; 3295 local $_;
2074 local @safe::cf::_safe_eval_args = values %vars;
2075 3296
2076 my $eval = 3297 my $eval =
2077 "do {\n" 3298 "do {\n"
2078 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3299 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079 . "#line 0 \"{$qcode}\"\n" 3300 . "#line 0 \"{$qcode}\"\n"
2080 . $code 3301 . $code
2081 . "\n}" 3302 . "\n}"
2082 ; 3303 ;
2083 3304
3305 if ($CFG{safe_eval}) {
2084 sub_generation_inc; 3306 sub_generation_inc;
3307 local @safe::cf::_safe_eval_args = values %vars;
2085 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3308 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086 sub_generation_inc; 3309 sub_generation_inc;
3310 } else {
3311 local @cf::_safe_eval_args = values %vars;
3312 @res = wantarray ? eval eval : scalar eval $eval;
3313 }
2087 3314
2088 if ($@) { 3315 if ($@) {
2089 warn "$@"; 3316 warn "$@";
2090 warn "while executing safe code '$code'\n"; 3317 warn "while executing safe code '$code'\n";
2091 warn "with arguments " . (join " ", %vars) . "\n"; 3318 warn "with arguments " . (join " ", %vars) . "\n";
… …
2110=cut 3337=cut
2111 3338
2112sub register_script_function { 3339sub register_script_function {
2113 my ($fun, $cb) = @_; 3340 my ($fun, $cb) = @_;
2114 3341
2115 no strict 'refs'; 3342 $fun = "safe::$fun" if $CFG{safe_eval};
2116 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3343 *$fun = $safe_hole->wrap ($cb);
2117} 3344}
2118 3345
2119=back 3346=back
2120 3347
2121=cut 3348=cut
2122 3349
2123############################################################################# 3350#############################################################################
3351# the server's init and main functions
2124 3352
2125=head2 EXTENSION DATABASE SUPPORT 3353sub load_facedata($) {
3354 my ($path) = @_;
2126 3355
2127Crossfire maintains a very simple database for extension use. It can 3356 # HACK to clear player env face cache, we need some signal framework
2128currently store anything that can be serialised using Storable, which 3357 # for this (global event?)
2129excludes objects. 3358 %ext::player_env::MUSIC_FACE_CACHE = ();
2130 3359
2131The parameter C<$family> should best start with the name of the extension 3360 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132using it, it should be unique.
2133 3361
2134=over 4 3362 warn "loading facedata from $path\n";
2135 3363
2136=item $hashref = cf::db_get $family 3364 my $facedata;
3365 0 < aio_load $path, $facedata
3366 or die "$path: $!";
2137 3367
2138Return a hashref for use by the extension C<$family>, which can be 3368 $facedata = Coro::Storable::thaw $facedata;
2139modified. After modifications, you have to call C<cf::db_dirty> or
2140C<cf::db_sync>.
2141 3369
2142=item $value = cf::db_get $family => $key 3370 $facedata->{version} == 2
3371 or cf::cleanup "$path: version mismatch, cannot proceed.";
2143 3372
2144Returns a single value from the database 3373 # patch in the exptable
2145 3374 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2146=item cf::db_put $family => $hashref 3375 $facedata->{resource}{"res/exp_table"} = {
2147 3376 type => FT_RSRC,
2148Stores the given family hashref into the database. Updates are delayed, if 3377 data => $exp_table,
2149you want the data to be synced to disk immediately, use C<cf::db_sync>. 3378 hash => (Digest::MD5::md5 $exp_table),
2150
2151=item cf::db_put $family => $key => $value
2152
2153Stores the given C<$value> in the family hash. Updates are delayed, if you
2154want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156=item cf::db_dirty
2157
2158Marks the database as dirty, to be updated at a later time.
2159
2160=item cf::db_sync
2161
2162Immediately write the database to disk I<if it is dirty>.
2163
2164=cut
2165
2166our $DB;
2167
2168{
2169 my $path = cf::localdir . "/database.pst";
2170
2171 sub db_load() {
2172 $DB = stat $path ? Storable::retrieve $path : { };
2173 }
2174
2175 my $pid;
2176
2177 sub db_save() {
2178 waitpid $pid, 0 if $pid;
2179 if (0 == ($pid = fork)) {
2180 $DB->{_meta}{version} = 1;
2181 Storable::nstore $DB, "$path~";
2182 rename "$path~", $path;
2183 cf::_exit 0 if defined $pid;
2184 }
2185 }
2186
2187 my $dirty;
2188
2189 sub db_sync() {
2190 db_save if $dirty;
2191 undef $dirty;
2192 }
2193
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195 db_sync;
2196 }); 3379 };
3380 cf::cede_to_tick;
2197 3381
2198 sub db_dirty() {
2199 $dirty = 1;
2200 $idle->start;
2201 } 3382 {
3383 my $faces = $facedata->{faceinfo};
2202 3384
2203 sub db_get($;$) { 3385 while (my ($face, $info) = each %$faces) {
2204 @_ >= 2 3386 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205 ? $DB->{$_[0]}{$_[1]}
2206 : ($DB->{$_[0]} ||= { })
2207 }
2208 3387
2209 sub db_put($$;$) { 3388 cf::face::set_visibility $idx, $info->{visibility};
2210 if (@_ >= 3) { 3389 cf::face::set_magicmap $idx, $info->{magicmap};
2211 $DB->{$_[0]}{$_[1]} = $_[2]; 3390 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212 } else { 3391 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213 $DB->{$_[0]} = $_[1];
2214 }
2215 db_dirty;
2216 }
2217 3392
2218 cf::global->attach ( 3393 cf::cede_to_tick;
2219 prio => 10000,
2220 on_cleanup => sub {
2221 db_sync;
2222 }, 3394 }
2223 );
2224}
2225 3395
2226############################################################################# 3396 while (my ($face, $info) = each %$faces) {
2227# the server's main() 3397 next unless $info->{smooth};
2228 3398
2229sub 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
2230 open my $fh, "<:utf8", cf::confdir . "/config" 3527 open my $fh, "<:utf8", "$CONFDIR/config"
2231 or return; 3528 or return;
2232 3529
2233 local $/; 3530 local $/;
2234 *CFG = YAML::Syck::Load <$fh>; 3531 *CFG = YAML::XS::Load scalar <$fh>;
2235 3532
2236 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3533 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2237 3534
2238 $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};
2239 $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};
2240 3537
2241 if (exists $CFG{mlockall}) { 3538 if (exists $CFG{mlockall}) {
… …
2243 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3540 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2244 and die "WARNING: m(un)lockall failed: $!\n"; 3541 and die "WARNING: m(un)lockall failed: $!\n";
2245 }; 3542 };
2246 warn $@ if $@; 3543 warn $@ if $@;
2247 } 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;
2248} 3575}
2249 3576
2250sub 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
2251 # we must not ever block the main coroutine 3587 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 3588 local $Coro::idle = sub {
2253 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#
2254 async { Event::one_event }; 3590 (async {
3591 $Coro::current->{desc} = "IDLE BUG HANDLER";
3592 EV::loop EV::LOOP_ONESHOT;
3593 })->prio (Coro::PRIO_MAX);
2255 }; 3594 };
2256 3595
2257 cfg_load; 3596 evthread_start IO::AIO::poll_fileno;
2258 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
2259 load_extensions; 3619 load_extensions;
2260 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;
2261} 3634}
2262 3635
2263############################################################################# 3636#############################################################################
2264# initialisation and cleanup 3637# initialisation and cleanup
2265 3638
2266# install some emergency cleanup handlers 3639# install some emergency cleanup handlers
2267BEGIN { 3640BEGIN {
3641 our %SIGWATCHER = ();
2268 for my $signal (qw(INT HUP TERM)) { 3642 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 3643 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2270 data => WF_AUTOCANCEL,
2271 signal => $signal,
2272 cb => sub {
2273 cf::cleanup "SIG$signal"; 3644 cf::cleanup "SIG$signal";
2274 },
2275 ); 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
2276 } 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 };
2277} 3735}
2278 3736
2279sub emergency_save() { 3737sub emergency_save() {
2280 my $freeze_guard = cf::freeze_mainloop; 3738 my $freeze_guard = cf::freeze_mainloop;
2281 3739
2282 warn "enter emergency perl save\n"; 3740 warn "emergency_perl_save: enter\n";
2283 3741
2284 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
2285 # use a peculiar iteration method to avoid tripping on perl 3748 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 3749 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 3750 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 3751 warn "emergency_perl_save: begin player save\n";
2289 for my $login (keys %cf::PLAYER) { 3752 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 3753 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 3754 $pl->valid or next;
3755 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292 $pl->save; 3756 $pl->save;
2293 } 3757 }
2294 warn "end emergency player save\n"; 3758 warn "emergency_perl_save: end player save\n";
2295 3759
2296 warn "begin emergency map save\n"; 3760 warn "emergency_perl_save: begin map save\n";
2297 for my $path (keys %cf::MAP) { 3761 for my $path (keys %cf::MAP) {
2298 my $map = $cf::MAP{$path} or next; 3762 my $map = $cf::MAP{$path} or next;
2299 $map->valid or next; 3763 $map->valid or next;
2300 $map->save; 3764 $map->save;
2301 } 3765 }
2302 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";
2303 }; 3775 };
2304 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
2305 warn "leave emergency perl save\n"; 3782 warn "emergency_perl_save: leave\n";
2306} 3783}
2307 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
2308sub reload() { 3820sub do_reload_perl() {
2309 # can/must only be called in main 3821 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 3822 if (in_main) {
2311 warn "can only reload from main coroutine\n"; 3823 warn "can only reload from main coroutine";
2312 return; 3824 return;
2313 } 3825 }
2314 3826
3827 return if $RELOAD++;
3828
3829 my $t1 = AE::time;
3830
3831 while ($RELOAD) {
2315 warn "reloading..."; 3832 warn "reloading...";
2316 3833
2317 warn "freezing server"; 3834 warn "entering sync_job";
2318 my $guard = freeze_mainloop; 3835
3836 cf::sync_job {
3837 cf::write_runtime_sync; # external watchdog should not bark
2319 cf::emergency_save; 3838 cf::emergency_save;
3839 cf::write_runtime_sync; # external watchdog should not bark
2320 3840
2321 warn "sync database to disk"; 3841 warn "syncing database to disk";
2322 cf::db_sync; 3842 BDB::db_env_txn_checkpoint $DB_ENV;
2323 IO::AIO::flush;
2324 3843
2325 eval {
2326 # 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
2327 3845
2328 warn "cancel all watchers"; 3846 warn "flushing outstanding aio requests";
2329 for (Event::all_watchers) { 3847 while (IO::AIO::nreqs || BDB::nreqs) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 3848 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331 }
2332
2333 warn "cancel all extension coros";
2334 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = ();
2336
2337 warn "remove commands";
2338 %COMMAND = ();
2339
2340 warn "remove ext commands";
2341 %EXTCMD = ();
2342
2343 warn "unload/nuke all extensions";
2344 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg";
2346
2347 if (my $cb = $pkg->can ("unload")) {
2348 eval {
2349 $cb->($pkg);
2350 1
2351 } or warn "$pkg unloaded, but with errors: $@";
2352 } 3849 }
2353 3850
3851 warn "cancelling all extension coros";
3852 $_->cancel for values %EXT_CORO;
3853 %EXT_CORO = ();
3854
3855 warn "removing commands";
3856 %COMMAND = ();
3857
3858 warn "removing ext/exti commands";
3859 %EXTCMD = ();
3860 %EXTICMD = ();
3861
3862 warn "unloading/nuking all extensions";
3863 for my $pkg (@EXTS) {
2354 warn "... nuking $pkg"; 3864 warn "... unloading $pkg";
2355 Symbol::delete_package $pkg;
2356 }
2357 3865
2358 warn "unload all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362 warn "removing <$k>";
2363 delete $INC{$k};
2364
2365 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g;
2367
2368 if (my $cb = $k->can ("unload_module")) { 3866 if (my $cb = $pkg->can ("unload")) {
3867 eval {
2369 $cb->(); 3868 $cb->($pkg);
3869 1
3870 } or warn "$pkg unloaded, but with errors: $@";
3871 }
3872
3873 warn "... clearing $pkg";
3874 clear_package $pkg;
2370 } 3875 }
2371 3876
2372 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 $k;
2373 } 3892 }
2374 3893
2375 warn "get rid of safe::, as good as possible"; 3894 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 3895 clear_package "safe::$_"
2377 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);
2378 3897
2379 warn "unload cf.pm \"a bit\""; 3898 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 3899 delete $INC{"cf.pm"};
3900 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381 3901
2382 # don't, removes xs symbols, too, 3902 # don't, removes xs symbols, too,
2383 # and global variables created in xs 3903 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 3904 #clear_package __PACKAGE__;
2385 3905
3906 warn "unload completed, starting to reload now";
3907
2386 warn "reloading cf.pm"; 3908 warn "reloading cf.pm";
2387 require cf; 3909 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3910 cf::_connect_to_perl_1;
2389 3911
2390 warn "load config and database again"; 3912 warn "loading config and database again";
2391 cf::cfg_load; 3913 cf::reload_config;
2392 cf::db_load;
2393 3914
2394 warn "load extensions"; 3915 warn "loading extensions";
2395 cf::load_extensions; 3916 cf::load_extensions;
2396 3917
3918 if ($REATTACH_ON_RELOAD) {
2397 warn "reattach attachments to objects/players"; 3919 warn "reattaching attachments to objects/players";
2398 _global_reattach; 3920 _global_reattach; # objects, sockets
2399 warn "reattach attachments to maps"; 3921 warn "reattaching attachments to maps";
2400 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 $RELOAD_WATCHER;
3958 };
2401 }; 3959 };
2402
2403 if ($@) {
2404 warn $@;
2405 warn "error while reloading, exiting.";
2406 exit 1;
2407 }
2408
2409 warn "reloaded";
2410};
2411
2412#############################################################################
2413
2414unless ($LINK_MAP) {
2415 $LINK_MAP = cf::map::new;
2416
2417 $LINK_MAP->width (41);
2418 $LINK_MAP->height (41);
2419 $LINK_MAP->alloc;
2420 $LINK_MAP->path ("{link}");
2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424 # dirty hack because... archetypes are not yet loaded
2425 Event->timer (
2426 after => 10,
2427 cb => sub {
2428 $_[0]->w->cancel;
2429
2430 # provide some exits "home"
2431 my $exit = cf::object::new "exit";
2432
2433 $exit->slaying ($EMERGENCY_POSITION->[0]);
2434 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437 $LINK_MAP->insert ($exit->clone, 19, 19);
2438 $LINK_MAP->insert ($exit->clone, 19, 20);
2439 $LINK_MAP->insert ($exit->clone, 19, 21);
2440 $LINK_MAP->insert ($exit->clone, 20, 19);
2441 $LINK_MAP->insert ($exit->clone, 20, 21);
2442 $LINK_MAP->insert ($exit->clone, 21, 19);
2443 $LINK_MAP->insert ($exit->clone, 21, 20);
2444 $LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446 $exit->destroy;
2447 });
2448
2449 $LINK_MAP->{deny_save} = 1;
2450 $LINK_MAP->{deny_reset} = 1;
2451
2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453} 3960}
2454 3961
2455register_command "reload" => sub { 3962register_command "reload" => sub {
2456 my ($who, $arg) = @_; 3963 my ($who, $arg) = @_;
2457 3964
2458 if ($who->flag (FLAG_WIZ)) { 3965 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload.");
2460 reload;
2461 $who->message ("end of reload."); 3966 $who->message ("reloading server.");
3967 async {
3968 $Coro::current->{desc} = "perl_reload";
3969 reload_perl;
3970 };
2462 } 3971 }
2463}; 3972};
2464 3973
2465unshift @INC, $LIBDIR; 3974unshift @INC, $LIBDIR;
2466 3975
2467$TICK_WATCHER = Event->timer ( 3976my $bug_warning = 0;
2468 reentrant => 0,
2469 prio => 0,
2470 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL,
2472 cb => sub {
2473 $NOW = Event::time;
2474 3977
3978our @WAIT_FOR_TICK;
3979our @WAIT_FOR_TICK_BEGIN;
3980
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
2475 cf::server_tick; # one server iteration 4004 cf::server_tick; # one server iteration
2476 $RUNTIME += $TICK;
2477 $NEXT_TICK += $TICK;
2478 4005
2479 $WAIT_FOR_TICK->broadcast; 4006 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2480 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2481 4007
2482 # if we are delayed by four ticks or more, skip them all 4008 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 4009 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2484 4010 Coro::async_pool {
2485 $TICK_WATCHER->at ($NEXT_TICK); 4011 $Coro::current->{desc} = "runtime saver";
2486 $TICK_WATCHER->start;
2487 },
2488);
2489
2490IO::AIO::max_poll_time $TICK * 0.2;
2491
2492Event->io (
2493 fd => IO::AIO::poll_fileno,
2494 poll => 'r',
2495 prio => 5,
2496 data => WF_AUTOCANCEL,
2497 cb => \&IO::AIO::poll_cb,
2498);
2499
2500Event->timer (
2501 data => WF_AUTOCANCEL,
2502 after => 0,
2503 interval => 10,
2504 cb => sub {
2505 (Coro::unblock_sub {
2506 write_runtime 4012 write_runtime_sync
2507 or warn "ERROR: unable to write runtime file: $!"; 4013 or warn "ERROR: unable to write runtime file: $!";
2508 })->(); 4014 };
2509 }, 4015 }
2510); 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;
2511 4131
2512END { cf::emergency_save } 4132END { cf::emergency_save }
2513 4133
25141 41341
2515 4135

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