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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
12 36
37use Guard ();
13use Coro 3.3 (); 38use Coro ();
39use Coro::State;
40use Coro::Handle;
41use Coro::EV;
14use Coro::Event; 42use Coro::AnyEvent;
15use Coro::Timer; 43use Coro::Timer;
16use Coro::Signal; 44use Coro::Signal;
17use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
18use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
50use Coro::Storable;
51use Coro::Util ();
19 52
20use Digest::MD5; 53use JSON::XS 2.01 ();
54use BDB ();
55use Data::Dumper;
21use Fcntl; 56use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 57use YAML::XS ();
58use IO::AIO ();
24use Time::HiRes; 59use Time::HiRes;
60use Compress::LZF;
61use Digest::MD5 ();
25 62
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 63AnyEvent::detect;
27 64
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 65# configure various modules to our taste
29$YAML::Syck::ImplicitUnicode = 1; 66#
67$Storable::canonical = 1; # reduce rsync transfers
68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30 69
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
75
76# strictly for debugging
77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
78
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
34 82
35our %COMMAND = (); 83our %COMMAND = ();
36our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
85
86our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
89our %EXT_CORO = (); # coroutines bound to extensions
90our %EXT_MAP = (); # pluggable maps
38 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
39our @EVENT; 93our @EVENT;
40our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
41 96
42our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
43our $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; # unused
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
44our $NEXT_TICK; 121our $NEXT_TICK;
45our $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);
46 130
47our %CFG; 131our %CFG;
48 132
49our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 134our $RUNTIME;
135our $NOW;
51 136
52our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
53our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
54our $LINK_MAP; # the special {link} map 139our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 140
56our %EXT_CORO; # coroutines bound to extensions 141# used to convert map paths into valid unix filenames by replacing / by ∕
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 $REALLY_UNLOOP; # never set to true, please :)
57 153
58binmode STDOUT; 154binmode STDOUT;
59binmode STDERR; 155binmode STDERR;
60 156
61# read virtual server time, if available 157# read virtual server time, if available
62unless ($RUNTIME || !-e cf::localdir . "/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
63 open my $fh, "<", cf::localdir . "/runtime" 159 open my $fh, "<", $RUNTIMEFILE
64 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
65 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
66} 162}
67 163
68mkdir cf::localdir; 164eval "sub TICK() { $TICK } 1" or die;
69mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS;
73 165
74# a special map that is always available 166mkdir $_
75our $LINK_MAP; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
168
76our $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::"} };
77 187
78############################################################################# 188#############################################################################
79 189
80=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
81 191
88=item $cf::RUNTIME 198=item $cf::RUNTIME
89 199
90The 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
91every server tick. 201every server tick.
92 202
93=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
94 206
95The perl library directory, where extensions and cf-specific modules can 207Various directories - "/etc", read-only install directory, perl-library
96be 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.
97 211
98=item $cf::NOW 212=item $cf::NOW
99 213
100The time of the last (current) server tick. 214The time of the last (current) server tick.
101 215
102=item $cf::TICK 216=item $cf::TICK
103 217
104The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
105 219
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 $cf::LOAD
227
228The raw value load value from the last tick.
229
106=item %cf::CFG 230=item %cf::CFG
107 231
108Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109from wherever your confdir points to. 233from wherever your confdir points to.
110 234
235=item cf::wait_for_tick, cf::wait_for_tick_begin
236
237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
238returns directly I<after> the tick processing (and consequently, can only wake one process
239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
240
241=item @cf::INVOKE_RESULTS
242
243This array contains the results of the last C<invoke ()> call. When
244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
245that call.
246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
252
111=back 253=back
112 254
113=cut 255=cut
114 256
115BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
116 *CORE::GLOBAL::warn = sub { 258sub warn (@) { LOG llevWarn , join "", @_ }
259sub info (@) { LOG llevInfo , join "", @_ }
260sub debug(@) { LOG llevDebug, join "", @_ }
261sub trace(@) { LOG llevTrace, join "", @_ }
262
263$Coro::State::WARNHOOK = sub {
117 my $msg = join "", @_; 264 my $msg = join "", @_;
118 utf8::encode $msg;
119 265
120 $msg .= "\n" 266 $msg .= "\n"
121 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
122 268
123 LOG llevError, "cfperl: $msg"; 269 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
124 }; 270
125} 271 LOG llevWarn, $msg;
272};
273
274$Coro::State::DIEHOOK = sub {
275 return unless $^S eq 0; # "eq", not "=="
276
277 error Carp::longmess $_[0];
278
279 if (in_main) {#d#
280 error "DIEHOOK called in main context, Coro bug?\n";#d#
281 return;#d#
282 }#d#
283
284 # kill coroutine otherwise
285 Coro::terminate
286};
126 287
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 292@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
293@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 294@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133 295
134# we bless all objects into (empty) derived classes to force a method lookup 296# we bless all objects into (empty) derived classes to force a method lookup
135# within the Safe compartment. 297# within the Safe compartment.
136for my $pkg (qw( 298for my $pkg (qw(
137 cf::global cf::attachable 299 cf::global cf::attachable
138 cf::object cf::object::player 300 cf::object cf::object::player
139 cf::client cf::player 301 cf::client cf::player
140 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
141 cf::map cf::party cf::region 304 cf::party cf::region
142)) { 305)) {
143 no strict 'refs';
144 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145} 307}
146 308
147$Event::DIED = sub { 309$EV::DIED = sub {
148 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
149}; 311};
150 312
151my %ext_pkg; 313#############################################################################
152my @exts;
153my @hook;
154 314
155=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
156 316
157=over 4 317=over 4
158 318
159=cut 319=item dumpval $ref
160 320
161use JSON::Syck (); # TODO# replace by JSON::PC once working 321=cut
162 322
323sub dumpval {
324 eval {
325 local $SIG{__DIE__};
326 my $d;
327 if (1) {
328 $d = new Data::Dumper([$_[0]], ["*var"]);
329 $d->Terse(1);
330 $d->Indent(2);
331 $d->Quotekeys(0);
332 $d->Useqq(1);
333 #$d->Bless(...);
334 $d->Seen($_[1]) if @_ > 1;
335 $d = $d->Dump();
336 }
337 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
338 $d
339 } || "[unable to dump $_[0]: '$@']";
340}
341
163=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
164 343
165Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
166 345
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
175 347
176Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
177 349
178=cut 350=cut
179 351
180sub to_json($) { 352our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 353
182 JSON::Syck::Dump $_[0] 354sub encode_json($) { $json_coder->encode ($_[0]) }
355sub decode_json($) { $json_coder->decode ($_[0]) }
356
357=item cf::post_init { BLOCK }
358
359Execute the given codeblock, I<after> all extensions have been (re-)loaded,
360but I<before> the server starts ticking again.
361
362The cdoeblock will have a single boolean argument to indicate whether this
363is a reload or not.
364
365=cut
366
367sub post_init(&) {
368 push @POST_INIT, shift;
183} 369}
184 370
185=item cf::lock_wait $string 371=item cf::lock_wait $string
186 372
187Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
188 374
189=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
190 376
191Wait until the given lock is available and then acquires it and returns 377Wait until the given lock is available and then acquires it and returns
192a Coro::guard object. If the guard object gets destroyed (goes out of scope, 378a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
194returned. 380returned.
195 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
196Lock names should begin with a unique identifier (for example, cf::map::find 385Lock names should begin with a unique identifier (for example, cf::map::find
197uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
198 387
199=cut 388=item $locked = cf::lock_active $string
200 389
201our %LOCK; 390Return true if the lock is currently active, i.e. somebody has locked it.
391
392=cut
393
394our $LOCKS = new Coro::SemaphoreSet;
202 395
203sub lock_wait($) { 396sub lock_wait($) {
204 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
205
206 # wait for lock, if any
207 while ($LOCK{$key}) {
208 push @{ $LOCK{$key} }, $Coro::current;
209 Coro::schedule;
210 }
211} 398}
212 399
213sub lock_acquire($) { 400sub lock_acquire($) {
214 my ($key) = @_; 401 $LOCKS->guard ($_[0])
402}
215 403
216 # wait, to be sure we are not locked 404sub lock_active($) {
217 lock_wait $key; 405 $LOCKS->count ($_[0]) < 1
218
219 $LOCK{$key} = [];
220
221 Coro::guard {
222 # wake up all waiters, to be on the safe side
223 $_->ready for @{ delete $LOCK{$key} };
224 }
225} 406}
226 407
227sub freeze_mainloop { 408sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
229 410
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 411 &Guard::guard (\&tick_inhibit_dec);
231 $TICK_WATCHER->stop; 412}
232 $guard 413
414=item cf::periodic $interval, $cb
415
416Like EV::periodic, but randomly selects a starting point so that the actions
417get spread over time.
418
419=cut
420
421sub periodic($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
427}
428
429=item cf::get_slot $time[, $priority[, $name]]
430
431Allocate $time seconds of blocking CPU time at priority C<$priority>:
432This call blocks and returns only when you have at least C<$time> seconds
433of cpu time till the next tick. The slot is only valid till the next cede.
434
435The optional C<$name> can be used to identify the job to run. It might be
436used for statistical purposes and should identify the same time-class.
437
438Useful for short background jobs.
439
440=cut
441
442our @SLOT_QUEUE;
443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
445
446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
450 my $signal = new Coro::Signal;
451 my $busy;
452
453 while () {
454 next_job:
455
456 my $avail = cf::till_tick;
457
458 for (0 .. $#SLOT_QUEUE) {
459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
461 my $job = splice @SLOT_QUEUE, $_, 1, ();
462 $job->[2]->send;
463 Coro::cede;
464 goto next_job;
465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
467 }
468 }
469
470 if (@SLOT_QUEUE) {
471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
472 push @cf::WAIT_FOR_TICK, $signal;
473 $signal->wait;
474 } else {
475 $busy = 0;
476 Coro::schedule;
477 }
478 }
479};
480
481sub get_slot($;$$) {
482 return if tick_inhibit || $Coro::current == $Coro::main;
483
484 my ($time, $pri, $name) = @_;
485
486 $time = clamp $time, 0.01, $TICK * .6;
487
488 my $sig = new Coro::Signal;
489
490 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
491 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
492 $SLOT_QUEUE->ready;
493 $sig->wait;
233} 494}
234 495
235=item cf::async { BLOCK } 496=item cf::async { BLOCK }
236 497
237Currently the same as Coro::async_pool, meaning you cannot use 498Currently the same as Coro::async_pool, meaning you cannot use
242 503
243BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
244 505
245=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
246 507
247The design of crossfire+ requires that the main coro ($Coro::main) is 508The design of Deliantra requires that the main coroutine ($Coro::main)
248always able to handle events or runnable, as crossfire+ is only partly 509is always able to handle events or runnable, as Deliantra is only
249reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
511acceptable.
250 512
251If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
252the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
253server will be frozen during this time, so the block should either finish 515server will be frozen during this time, so the block should either finish
254fast or be very important. 516fast or be very important.
256=cut 518=cut
257 519
258sub sync_job(&) { 520sub sync_job(&) {
259 my ($job) = @_; 521 my ($job) = @_;
260 522
261 if ($Coro::current == $Coro::main) { 523 if (in_main) {
524 my $time = AE::time;
525
262 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
263 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
264 528
265 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
266 # (but this is cancel-safe) 530
267 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
268 532
269 my $busy = 1; 533 my $busy = 1;
270 my @res; 534 my @res;
271 535
272 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
273 @res = eval { $job->() }; 538 @res = eval { $job->() };
274 warn $@ if $@; 539 error $@ if $@;
275 undef $busy; 540 undef $busy;
276 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
277 542
278 while ($busy) { 543 while ($busy) {
279 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
280 } 548 }
549 }
550
551 my $time = AE::time - $time;
552
553 $TICK_START += $time; # do not account sync jobs to server load
281 554
282 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
283 } else { 556 } else {
284 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
285 558
287 } 560 }
288} 561}
289 562
290=item $coro = cf::async_ext { BLOCK } 563=item $coro = cf::async_ext { BLOCK }
291 564
292Like async, but this coro is automcatially being canceled when the 565Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 566extension calling this is being unloaded.
294 567
295=cut 568=cut
296 569
297sub async_ext(&) { 570sub async_ext(&) {
305 $EXT_CORO{$coro+0} = $coro; 578 $EXT_CORO{$coro+0} = $coro;
306 579
307 $coro 580 $coro
308} 581}
309 582
310sub write_runtime { 583=item fork_call { }, $args
311 my $runtime = cf::localdir . "/runtime";
312 584
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 585Executes the given code block with the given arguments in a seperate
314 or return; 586process, returning the results. Everything must be serialisable with
587Coro::Storable. May, of course, block. Note that the executed sub may
588never block itself or use any form of event handling.
315 589
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 590=cut
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return;
319 591
320 aio_fsync $fh 592sub fork_call(&@) {
321 and return; 593 my ($cb, @args) = @_;
322 594
323 close $fh 595 # we seemingly have to make a local copy of the whole thing,
324 or return; 596 # otherwise perl prematurely frees the stuff :/
597 # TODO: investigate and fix (likely this will be rather laborious)
325 598
326 aio_rename "$runtime~", $runtime 599 my @res = Coro::Util::fork_eval {
327 and return; 600 reset_signals;
601 &$cb
602 }, @args;
328 603
604 wantarray ? @res : $res[-1]
605}
606
607sub objinfo {
329 1 608 (
609 "counter value" => cf::object::object_count,
610 "objects created" => cf::object::create_count,
611 "objects destroyed" => cf::object::destroy_count,
612 "freelist size" => cf::object::free_count,
613 "allocated objects" => cf::object::objects_size,
614 "active objects" => cf::object::actives_size,
615 )
616}
617
618=item $coin = coin_from_name $name
619
620=cut
621
622our %coin_alias = (
623 "silver" => "silvercoin",
624 "silvercoin" => "silvercoin",
625 "silvercoins" => "silvercoin",
626 "gold" => "goldcoin",
627 "goldcoin" => "goldcoin",
628 "goldcoins" => "goldcoin",
629 "platinum" => "platinacoin",
630 "platinumcoin" => "platinacoin",
631 "platinumcoins" => "platinacoin",
632 "platina" => "platinacoin",
633 "platinacoin" => "platinacoin",
634 "platinacoins" => "platinacoin",
635 "royalty" => "royalty",
636 "royalties" => "royalty",
637);
638
639sub coin_from_name($) {
640 $coin_alias{$_[0]}
641 ? cf::arch::find $coin_alias{$_[0]}
642 : undef
643}
644
645=item $value = cf::db_get $family => $key
646
647Returns a single value from the environment database.
648
649=item cf::db_put $family => $key => $value
650
651Stores the given C<$value> in the family. It can currently store binary
652data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
653
654=item $db = cf::db_table "name"
655
656Create and/or open a new database table. The string must not be "db" and must be unique
657within each server.
658
659=cut
660
661sub db_table($) {
662 cf::error "db_get called from main context"
663 if $Coro::current == $Coro::main;
664
665 my ($name) = @_;
666 my $db = BDB::db_create $DB_ENV;
667
668 eval {
669 $db->set_flags (BDB::CHKSUM);
670
671 utf8::encode $name;
672 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
673 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
674 cf::cleanup "db_open(db): $!" if $!;
675 };
676 cf::cleanup "db_open(db): $@" if $@;
677
678 $db
679}
680
681our $DB;
682
683sub db_init {
684 $DB ||= db_table "db";
685}
686
687sub db_get($$) {
688 my $key = "$_[0]/$_[1]";
689
690 cf::error "db_get called from main context"
691 if $Coro::current == $Coro::main;
692
693 BDB::db_get $DB, undef, $key, my $data;
694
695 $! ? ()
696 : $data
697}
698
699sub db_put($$$) {
700 BDB::dbreq_pri 4;
701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
702}
703
704=item cf::cache $id => [$paths...], $processversion => $process
705
706Generic caching function that returns the value of the resource $id,
707caching and regenerating as required.
708
709This function can block.
710
711=cut
712
713sub cache {
714 my ($id, $src, $processversion, $process) = @_;
715
716 my $meta =
717 join "\x00",
718 $processversion,
719 map {
720 aio_stat $_
721 and Carp::croak "$_: $!";
722
723 ($_, (stat _)[7,9])
724 } @$src;
725
726 my $dbmeta = db_get cache => "$id/meta";
727 if ($dbmeta ne $meta) {
728 # changed, we may need to process
729
730 my @data;
731 my $md5;
732
733 for (0 .. $#$src) {
734 0 <= aio_load $src->[$_], $data[$_]
735 or Carp::croak "$src->[$_]: $!";
736 }
737
738 # if processing is expensive, check
739 # checksum first
740 if (1) {
741 $md5 =
742 join "\x00",
743 $processversion,
744 map {
745 cf::cede_to_tick;
746 ($src->[$_], Digest::MD5::md5_hex $data[$_])
747 } 0.. $#$src;
748
749
750 my $dbmd5 = db_get cache => "$id/md5";
751 if ($dbmd5 eq $md5) {
752 db_put cache => "$id/meta", $meta;
753
754 return db_get cache => "$id/data";
755 }
756 }
757
758 my $t1 = Time::HiRes::time;
759 my $data = $process->(\@data);
760 my $t2 = Time::HiRes::time;
761
762 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
763
764 db_put cache => "$id/data", $data;
765 db_put cache => "$id/md5" , $md5;
766 db_put cache => "$id/meta", $meta;
767
768 return $data;
769 }
770
771 db_get cache => "$id/data"
772}
773
774=item cf::datalog type => key => value, ...
775
776Log a datalog packet of the given type with the given key-value pairs.
777
778=cut
779
780sub datalog($@) {
781 my ($type, %kv) = @_;
782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330} 783}
331 784
332=back 785=back
333 786
334=cut 787=cut
335 788
336############################################################################# 789#############################################################################
337 790
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455
456#############################################################################
457
458=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
459 792
460Many objects in crossfire are so-called attachable objects. That means you can 793Many objects in deliantra are so-called attachable objects. That means you can
461attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
462to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
463 796
464In the following description, CLASS can be any of C<global>, C<object> 797In the following description, CLASS can be any of C<global>, C<object>
465C<player>, C<client> or C<map> (i.e. the attachable objects in 798C<player>, C<client> or C<map> (i.e. the attachable objects in
466crossfire+). 799Deliantra).
467 800
468=over 4 801=over 4
469 802
470=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
471 804
515=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
516 849
517Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
518given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
519 852
520Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
521that are attached at load/instantiate time, thus the need for a name. 854that are attached at load/instantiate time, thus the need for a name.
522 855
523These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
524 857
525=over 4 858=over 4
585our @CB_TYPE = (); # registry for type (cf-object class) based events 918our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 919our @CB_MAP = ();
587 920
588my %attachment; 921my %attachment;
589 922
923sub cf::attachable::thawer_merge {
924 # simply override everything except _meta
925 local $_[0]{_meta};
926 %{$_[0]} = %{$_[1]};
927}
928
590sub _attach_cb($$$$) { 929sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 930 my ($registry, $event, $prio, $cb) = @_;
592 931
593 use sort 'stable'; 932 use sort 'stable';
594 933
628 $registry = $CB_TYPE[$object_type] ||= []; 967 $registry = $CB_TYPE[$object_type] ||= [];
629 968
630 } elsif ($type eq "subtype") { 969 } elsif ($type eq "subtype") {
631 defined $object_type or Carp::croak "subtype specified without type"; 970 defined $object_type or Carp::croak "subtype specified without type";
632 my $object_subtype = shift @arg; 971 my $object_subtype = shift @arg;
633 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 972 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634 973
635 } elsif ($type eq "package") { 974 } elsif ($type eq "package") {
636 my $pkg = shift @arg; 975 my $pkg = shift @arg;
637 976
638 while (my ($name, $id) = each %cb_id) { 977 while (my ($name, $id) = each %cb_id) {
643 982
644 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
645 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646 985
647 } elsif (ref $type) { 986 } elsif (ref $type) {
648 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
649 988
650 } else { 989 } else {
651 shift @arg; 990 shift @arg;
652 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
653 } 992 }
654 } 993 }
655} 994}
656 995
657sub _object_attach { 996sub _object_attach {
667 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
668 } 1007 }
669 1008
670 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
671 } else { 1010 } else {
672 warn "object uses attachment '$name' that is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
673 } 1012 }
674 1013
675 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
676} 1015}
677 1016
679 if (ref $_[0]) { 1018 if (ref $_[0]) {
680 _object_attach @_; 1019 _object_attach @_;
681 } else { 1020 } else {
682 _attach shift->_attach_registry, @_; 1021 _attach shift->_attach_registry, @_;
683 } 1022 }
1023 _recalc_want;
684}; 1024};
685 1025
686# all those should be optimised 1026# all those should be optimised
687sub cf::attachable::detach { 1027sub cf::attachable::detach {
688 my ($obj, $name) = @_; 1028 my ($obj, $name) = @_;
691 delete $obj->{_attachment}{$name}; 1031 delete $obj->{_attachment}{$name};
692 reattach ($obj); 1032 reattach ($obj);
693 } else { 1033 } else {
694 Carp::croak "cannot, currently, detach class attachments"; 1034 Carp::croak "cannot, currently, detach class attachments";
695 } 1035 }
1036 _recalc_want;
696}; 1037};
697 1038
698sub cf::attachable::attached { 1039sub cf::attachable::attached {
699 my ($obj, $name) = @_; 1040 my ($obj, $name) = @_;
700 1041
715 "; 1056 ";
716 die if $@; 1057 die if $@;
717} 1058}
718 1059
719our $override; 1060our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1061our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1062
722sub override { 1063sub override {
723 $override = 1; 1064 $override = 1;
724 @invoke_results = (); 1065 @INVOKE_RESULTS = (@_);
725} 1066}
726 1067
727sub do_invoke { 1068sub do_invoke {
728 my $event = shift; 1069 my $event = shift;
729 my $callbacks = shift; 1070 my $callbacks = shift;
730 1071
731 @invoke_results = (); 1072 @INVOKE_RESULTS = ();
732 1073
733 local $override; 1074 local $override;
734 1075
735 for (@$callbacks) { 1076 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
737 1078
738 if ($@) { 1079 if ($@) {
739 warn "$@";
740 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741 override; 1081 override;
742 } 1082 }
743 1083
744 return 1 if $override; 1084 return 1 if $override;
745 } 1085 }
746 1086
747 0 1087 0
748} 1088}
749 1089
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1091
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1093
754Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
755 1095
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1096This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1097removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1098results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1099
760=back 1100=back
761 1101
762=cut 1102=cut
763 1103
764############################################################################# 1104#############################################################################
765# object support 1105# object support
1106
1107sub _object_equal($$);
1108sub _object_equal($$) {
1109 my ($a, $b) = @_;
1110
1111 return 0 unless (ref $a) eq (ref $b);
1112
1113 if ("HASH" eq ref $a) {
1114 my @ka = keys %$a;
1115 my @kb = keys %$b;
1116
1117 return 0 if @ka != @kb;
1118
1119 for (0 .. $#ka) {
1120 return 0 unless $ka[$_] eq $kb[$_];
1121 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1122 }
1123
1124 } elsif ("ARRAY" eq ref $a) {
1125
1126 return 0 if @$a != @$b;
1127
1128 for (0 .. $#$a) {
1129 return 0 unless _object_equal $a->[$_], $b->[$_];
1130 }
1131
1132 } elsif ($a ne $b) {
1133 return 0;
1134 }
1135
1136 1
1137}
1138
1139our $SLOW_MERGES;#d#
1140sub _can_merge {
1141 my ($ob1, $ob2) = @_;
1142
1143 ++$SLOW_MERGES;#d#
1144
1145 # we do the slow way here
1146 return _object_equal $ob1, $ob2
1147}
766 1148
767sub reattach { 1149sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1151 my ($obj) = @_;
1152
1153 # no longer needed after getting rid of delete_package?
1154 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 1155
771 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
772 1157
773 @$registry = (); 1158 @$registry = ();
774 1159
779 for (@$attach) { 1164 for (@$attach) {
780 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
781 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
782 } 1167 }
783 } else { 1168 } else {
784 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
785 } 1170 }
786 } 1171 }
787} 1172}
788 1173
789cf::attachable->attach ( 1174cf::attachable->attach (
790 prio => -1000000, 1175 prio => -1000000,
791 on_instantiate => sub { 1176 on_instantiate => sub {
792 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
793 1178
794 $data = from_json $data; 1179 $data = decode_json $data;
795 1180
796 for (@$data) { 1181 for (@$data) {
797 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
798 1183
799 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
815sub object_freezer_save { 1200sub object_freezer_save {
816 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
817 1202
818 sync_job { 1203 sync_job {
819 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
820 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
821 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
822 1209
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1213 if ($cf::USE_FSYNC) {
1214 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;
826 aio_fsync $fh; 1215 aio_fsync $fh;
1216 }
827 close $fh; 1217 aio_close $fh;
828 1218
829 if (@$objs) { 1219 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1220 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
1224 if ($cf::USE_FSYNC) {
1225 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;
834 aio_fsync $fh; 1226 aio_fsync $fh;
1227 }
835 close $fh; 1228 aio_close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
837 } 1230 }
838 } else { 1231 } else {
839 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
840 } 1233 }
841 1234
842 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
843 } else { 1239 } else {
844 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
845 } 1241 }
846 } else { 1242 } else {
847 aio_unlink $filename; 1243 aio_unlink $filename;
848 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
849 } 1245 }
850 } 1246 };
851} 1247}
852 1248
853sub object_freezer_as_string { 1249sub object_freezer_as_string {
854 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
855 1251
867 or return; 1263 or return;
868 1264
869 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
870 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
871 or return; 1267 or return;
1268
872 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
873 } 1271 }
874 1272
1273 utf8::decode (my $decname = $filename);
875 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
876 $filename, length $data, scalar @{$av || []};#d# 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
877 return ($data, $av); 1278 ($data, $av)
878} 1279}
1280
1281=head2 COMMAND CALLBACKS
1282
1283=over 4
1284
1285=cut
879 1286
880############################################################################# 1287#############################################################################
881# command handling &c 1288# command handling &c
882 1289
883=item cf::register_command $name => \&callback($ob,$args); 1290=item cf::register_command $name => \&callback($ob,$args);
896 push @{ $COMMAND{$name} }, [$caller, $cb]; 1303 push @{ $COMMAND{$name} }, [$caller, $cb];
897} 1304}
898 1305
899=item cf::register_extcmd $name => \&callback($pl,$packet); 1306=item cf::register_extcmd $name => \&callback($pl,$packet);
900 1307
901Register a callbackf ro execution when the client sends an extcmd packet. 1308Register a callback for execution when the client sends an (synchronous)
1309extcmd packet. Ext commands will be processed in the order they are
1310received by the server, like other user commands. The first argument is
1311the logged-in player. Ext commands can only be processed after a player
1312has logged in successfully.
902 1313
903If the callback returns something, it is sent back as if reply was being 1314If the callback returns something, it is sent back as if reply was being
904called. 1315called.
905 1316
1317=item cf::register_exticmd $name => \&callback($ns,$packet);
1318
1319Register a callback for execution when the client sends an (asynchronous)
1320exticmd packet. Exti commands are processed by the server as soon as they
1321are received, i.e. out of order w.r.t. other commands. The first argument
1322is a client socket. Exti commands can be received anytime, even before
1323log-in.
1324
1325If the callback returns something, it is sent back as if reply was being
1326called.
1327
906=cut 1328=cut
907 1329
908sub register_extcmd { 1330sub register_extcmd {
909 my ($name, $cb) = @_; 1331 my ($name, $cb) = @_;
910 1332
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 1333 $EXTCMD{$name} = $cb;
915} 1334}
1335
1336sub register_exticmd {
1337 my ($name, $cb) = @_;
1338
1339 $EXTICMD{$name} = $cb;
1340}
1341
1342use File::Glob ();
916 1343
917cf::player->attach ( 1344cf::player->attach (
918 on_command => sub { 1345 on_unknown_command => sub {
919 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
920 1347
921 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
922 or return; 1349 or return;
923 1350
928 cf::override; 1355 cf::override;
929 }, 1356 },
930 on_extcmd => sub { 1357 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1358 my ($pl, $buf) = @_;
932 1359
933 my $msg = eval { from_json $buf }; 1360 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1361
935 if (ref $msg) { 1362 if (ref $msg) {
1363 my ($type, $reply, @payload) =
1364 "ARRAY" eq ref $msg
1365 ? @$msg
1366 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1367
1368 my @reply;
1369
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1370 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 1371 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
941 } else { 1377 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1379 }
944 1380
945 cf::override; 1381 cf::override;
946 }, 1382 },
947); 1383);
948 1384
949sub register { 1385# "readahead" all extensions
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 1386sub cache_extensions {
956 my ($path) = @_; 1387 my $grp = IO::AIO::aio_group;
957 1388
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959 my $base = $1; 1390 for (grep /\.ext$/, @{$_[0]}) {
960 my $pkg = $1; 1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg";
963
964 warn "loading '$path' into '$pkg'\n";
965
966 open my $fh, "<:utf8", $path
967 or die "$path: $!";
968
969 my $source =
970 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> })
973 . "\n};\n1";
974
975 eval $source
976 or die $@ ? "$path: $@\n"
977 : "extension disabled.\n";
978
979 push @exts, $pkg;
980 $ext_pkg{$base} = $pkg;
981
982# no strict 'refs';
983# @{"$pkg\::ISA"} = ext::;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# }
998
999 # remove commands
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 } 1392 }
1008 } 1393 };
1009 1394
1010 # remove extcmds 1395 $grp
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 1396}
1024 1397
1025sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1401 cf::sync_job {
1402 my %todo;
1403
1026 for my $ext (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 1405 next unless -r $path;
1028 eval { 1406
1029 load_extension $ext; 1407 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1408 my $base = $1;
1409 my $pkg = $1;
1410 $pkg =~ s/[^[:word:]]/_/g;
1411 $pkg = "ext::$pkg";
1412
1413 open my $fh, "<:utf8", $path
1414 or die "$path: $!";
1415
1416 my $source = do { local $/; <$fh> };
1417
1418 my %ext = (
1419 path => $path,
1420 base => $base,
1421 pkg => $pkg,
1422 );
1423
1424 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1425 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1426
1427 $ext{source} =
1428 "package $pkg; use common::sense;\n"
1429 . "#line 1 \"$path\"\n{\n"
1430 . $source
1431 . "\n};\n1";
1432
1433 $todo{$base} = \%ext;
1434 }
1435
1436 my $pass = 0;
1437 my %done;
1438 while (%todo) {
1439 my $progress;
1440
1441 ++$pass;
1442
1443 ext:
1444 while (my ($k, $v) = each %todo) {
1445 for (split /,\s*/, $v->{meta}{depends}) {
1446 next ext
1447 unless exists $done{$_};
1448 }
1449
1450 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1451
1452 my $active = eval $v->{source};
1453
1454 if (length $@) {
1455 error "$v->{path}: $@\n";
1456 undef $@; # work around perl 5.10.0 utf-8 caching bug
1457
1458 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1459 if exists $v->{meta}{mandatory};
1460
1461 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1462 delete $todo{$k};
1463 } else {
1464 $done{$k} = delete $todo{$k};
1465 push @EXTS, $v->{pkg};
1466 $progress = 1;
1467
1468 info "$v->{base}: extension inactive.\n"
1469 unless $active;
1470 }
1030 1 1471 }
1031 } or warn "$ext not loaded: $@"; 1472
1473 unless ($progress) {
1474 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1475
1476 while (my ($k, $v) = each %todo) {
1477 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1478 if exists $v->{meta}{mandatory};
1479 }
1480 }
1481 }
1032 } 1482 };
1033} 1483}
1034 1484
1035############################################################################# 1485#############################################################################
1036# load/save/clean perl data associated with a map
1037 1486
1038*cf::mapsupport::on_clean = sub { 1487=back
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 1488
1073=head2 CORE EXTENSIONS 1489=head2 CORE EXTENSIONS
1074 1490
1075Functions and methods that extend core crossfire objects. 1491Functions and methods that extend core deliantra objects.
1076 1492
1077=cut 1493=cut
1078 1494
1079package cf::player; 1495package cf::player;
1080 1496
1497use Coro::AIO;
1498
1081=head3 cf::player 1499=head3 cf::player
1082 1500
1083=over 4 1501=over 4
1084 1502
1503=item cf::player::num_playing
1504
1505Returns the official number of playing players, as per the Crossfire metaserver rules.
1506
1507=cut
1508
1509sub num_playing {
1510 scalar grep
1511 $_->ob->map
1512 && !$_->hidden
1513 && !$_->ob->flag (cf::FLAG_WIZ),
1514 cf::player::list
1515}
1516
1085=item cf::player::find $login 1517=item cf::player::find $login
1086 1518
1087Returns the given player object, loading it if necessary (might block). 1519Returns the given player object, loading it if necessary (might block).
1088 1520
1089=cut 1521=cut
1090 1522
1523sub playerdir($) {
1524 "$PLAYERDIR/"
1525 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1526}
1527
1091sub path($) { 1528sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 1529 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 1530
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 1531 (playerdir $login) . "/playerdata"
1095} 1532}
1096 1533
1097sub find_active($) { 1534sub find_active($) {
1098 $cf::PLAYER{$_[0]} 1535 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 1536 and $cf::PLAYER{$_[0]}->active
1102 1539
1103sub exists($) { 1540sub exists($) {
1104 my ($login) = @_; 1541 my ($login) = @_;
1105 1542
1106 $cf::PLAYER{$login} 1543 $cf::PLAYER{$login}
1107 or cf::sync_job { !aio_stat $login } 1544 or !aio_stat path $login
1108} 1545}
1109 1546
1110sub find($) { 1547sub find($) {
1111 return $cf::PLAYER{$_[0]} || do { 1548 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 1549 my $login = $_[0];
1113 1550
1114 my $guard = cf::lock_acquire "user_find:$login"; 1551 my $guard = cf::lock_acquire "user_find:$login";
1115 1552
1116 $cf::PLAYER{$login} ||= (load_pl path $login or return); 1553 $cf::PLAYER{$_[0]} || do {
1554 # rename old playerfiles to new ones
1555 #TODO: remove when no longer required
1556 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1557 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1558 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1559 aio_unlink +(playerdir $login) . "/$login.pl";
1560
1561 my $f = new_from_file cf::object::thawer path $login
1562 or return;
1563
1564 my $pl = cf::player::load_pl $f
1565 or return;
1566
1567 local $cf::PLAYER_LOADING{$login} = $pl;
1568 $f->resolve_delayed_derefs;
1569 $cf::PLAYER{$login} = $pl
1570 }
1117 }; 1571 }
1118} 1572}
1573
1574cf::player->attach (
1575 on_load => sub {
1576 my ($pl, $path) = @_;
1577
1578 # restore slots saved in save, below
1579 my $slots = delete $pl->{_slots};
1580
1581 $pl->ob->current_weapon ($slots->[0]);
1582 $pl->combat_ob ($slots->[1]);
1583 $pl->ranged_ob ($slots->[2]);
1584 },
1585);
1119 1586
1120sub save($) { 1587sub save($) {
1121 my ($pl) = @_; 1588 my ($pl) = @_;
1122 1589
1123 return if $pl->{deny_save}; 1590 return if $pl->{deny_save};
1124 1591
1125 my $path = path $pl; 1592 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 1593 my $guard = cf::lock_acquire "user_save:$path";
1127 1594
1128 return if $pl->{deny_save}; 1595 return if $pl->{deny_save};
1596
1597 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 1598 $pl->{last_save} = $cf::RUNTIME;
1130 1599
1131 Coro::cede; 1600 cf::get_slot 0.01;
1601
1602 # save slots, to be restored later
1603 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1604
1132 $pl->save_pl ($path); 1605 $pl->save_pl ($path);
1133 Coro::cede; 1606 cf::cede_to_tick;
1134} 1607}
1135 1608
1136sub new($) { 1609sub new($) {
1137 my ($login) = @_; 1610 my ($login) = @_;
1138 1611
1144 $cf::PLAYER{$login} = $self; 1617 $cf::PLAYER{$login} = $self;
1145 1618
1146 $self 1619 $self
1147} 1620}
1148 1621
1622=item $player->send_msg ($channel, $msg, $color, [extra...])
1623
1624=cut
1625
1626sub send_msg {
1627 my $ns = shift->ns
1628 or return;
1629 $ns->send_msg (@_);
1630}
1631
1632=item $pl->quit_character
1633
1634Nukes the player without looking back. If logged in, the connection will
1635be destroyed. May block for a long time.
1636
1637=cut
1638
1639sub quit_character {
1640 my ($pl) = @_;
1641
1642 my $name = $pl->ob->name;
1643
1644 $pl->{deny_save} = 1;
1645 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1646
1647 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1648 $pl->deactivate;
1649 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1650 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1651 $pl->ns->destroy if $pl->ns;
1652
1653 my $path = playerdir $pl;
1654 my $temp = "$path~$cf::RUNTIME~deleting~";
1655 aio_rename $path, $temp;
1656 delete $cf::PLAYER{$pl->ob->name};
1657 $pl->destroy;
1658
1659 my $prefix = qr<^~\Q$name\E/>;
1660
1661 # nuke player maps
1662 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1663
1664 IO::AIO::aio_rmtree $temp;
1665}
1666
1667=item $pl->kick
1668
1669Kicks a player out of the game. This destroys the connection.
1670
1671=cut
1672
1673sub kick {
1674 my ($pl, $kicker) = @_;
1675
1676 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1677 $pl->killer ("kicked");
1678 $pl->ns->destroy;
1679}
1680
1681=item cf::player::list_logins
1682
1683Returns am arrayref of all valid playernames in the system, can take a
1684while and may block, so not sync_job-capable, ever.
1685
1686=cut
1687
1688sub list_logins {
1689 my $dirs = aio_readdir $PLAYERDIR
1690 or return [];
1691
1692 my @logins;
1693
1694 for my $login (@$dirs) {
1695 my $path = path $login;
1696
1697 # a .pst is a dead give-away for a valid player
1698 # if no pst file found, open and chekc for blocked users
1699 if (aio_stat "$path.pst") {
1700 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1701 aio_read $fh, 0, 512, my $buf, 0 or next;
1702 $buf !~ /^password -------------$/m or next; # official not-valid tag
1703 }
1704
1705 utf8::decode $login;
1706 push @logins, $login;
1707 }
1708
1709 \@logins
1710}
1711
1712=item $player->maps
1713
1714=item cf::player::maps $login
1715
1716Returns an arrayref of map paths that are private for this
1717player. May block.
1718
1719=cut
1720
1721sub maps($) {
1722 my ($pl) = @_;
1723
1724 $pl = ref $pl ? $pl->ob->name : $pl;
1725
1726 my $files = aio_readdir playerdir $pl
1727 or return;
1728
1729 my @paths;
1730
1731 for (@$files) {
1732 utf8::decode $_;
1733 next if /\.(?:pl|pst)$/;
1734 next unless /^$PATH_SEP/o;
1735
1736 push @paths, cf::map::normalise "~$pl/$_";
1737 }
1738
1739 \@paths
1740}
1741
1742=item $protocol_xml = $player->expand_cfpod ($cfpod)
1743
1744Expand deliantra pod fragments into protocol xml.
1745
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1746=item $player->ext_reply ($msgid, @msg)
1150 1747
1151Sends an ext reply to the player. 1748Sends an ext reply to the player.
1152 1749
1153=cut 1750=cut
1154 1751
1155sub ext_reply($$$%) { 1752sub ext_reply($$@) {
1156 my ($self, $id, %msg) = @_; 1753 my ($self, $id, @msg) = @_;
1157 1754
1158 $msg{msgid} = $id; 1755 $self->ns->ext_reply ($id, @msg)
1159
1160 $self->send ("ext " . cf::to_json \%msg);
1161} 1756}
1162 1757
1163package cf; 1758=item $player->ext_msg ($type, @msg)
1759
1760Sends an ext event to the client.
1761
1762=cut
1763
1764sub ext_msg($$@) {
1765 my ($self, $type, @msg) = @_;
1766
1767 $self->ns->ext_msg ($type, @msg);
1768}
1769
1770=head3 cf::region
1771
1772=over 4
1773
1774=cut
1775
1776package cf::region;
1777
1778=item cf::region::find_by_path $path
1779
1780Tries to decuce the likely region for a map knowing only its path.
1781
1782=cut
1783
1784sub find_by_path($) {
1785 my ($path) = @_;
1786
1787 $path =~ s/^~[^\/]*//; # skip ~login
1788
1789 my ($match, $specificity);
1790
1791 for my $region (list) {
1792 if ($region->{match} && $path =~ $region->{match}) {
1793 ($match, $specificity) = ($region, $region->specificity)
1794 if $region->specificity > $specificity;
1795 }
1796 }
1797
1798 $match
1799}
1164 1800
1165=back 1801=back
1166
1167 1802
1168=head3 cf::map 1803=head3 cf::map
1169 1804
1170=over 4 1805=over 4
1171 1806
1174package cf::map; 1809package cf::map;
1175 1810
1176use Fcntl; 1811use Fcntl;
1177use Coro::AIO; 1812use Coro::AIO;
1178 1813
1814use overload
1815 '""' => \&as_string,
1816 fallback => 1;
1817
1179our $MAX_RESET = 3600; 1818our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1819our $DEFAULT_RESET = 3000;
1181 1820
1182sub generate_random_map { 1821sub generate_random_map {
1183 my ($path, $rmp) = @_; 1822 my ($self, $rmp) = @_;
1823
1824 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1184 1825
1185 # mit "rum" bekleckern, nicht 1826 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1827 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1828 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1829 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1830 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1831 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1832 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1833 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1834 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1835 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1836 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1837 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1838 (cf::region::find $rmp->{region}), $rmp->{custom}
1839 )
1199} 1840}
1200 1841
1201# and all this just because we cannot iterate over 1842=item cf::map->register ($regex, $prio)
1202# all maps in C++...
1203sub change_all_map_light {
1204 my ($change) = @_;
1205 1843
1206 $_->change_map_light ($change) 1844Register a handler for the map path matching the given regex at the
1207 for grep $_->outdoor, values %cf::MAP; 1845givne priority (higher is better, built-in handlers have priority 0, the
1208} 1846default).
1209 1847
1210sub try_load_header($) { 1848=cut
1849
1850sub register {
1851 my (undef, $regex, $prio) = @_;
1852 my $pkg = caller;
1853
1854 push @{"$pkg\::ISA"}, __PACKAGE__;
1855
1856 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1857}
1858
1859# also paths starting with '/'
1860$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1861
1862sub thawer_merge {
1863 my ($self, $merge) = @_;
1864
1865 # we have to keep some variables in memory intact
1866 local $self->{path};
1867 local $self->{load_path};
1868
1869 $self->SUPER::thawer_merge ($merge);
1870}
1871
1872sub normalise {
1211 my ($path) = @_; 1873 my ($path, $base) = @_;
1874
1875 $path = "$path"; # make sure its a string
1876
1877 $path =~ s/\.map$//;
1878
1879 # map plan:
1880 #
1881 # /! non-realised random map exit (special hack!)
1882 # {... are special paths that are not being touched
1883 # ?xxx/... are special absolute paths
1884 # ?random/... random maps
1885 # /... normal maps
1886 # ~user/... per-player map of a specific user
1887
1888 $path =~ s/$PATH_SEP/\//go;
1889
1890 # treat it as relative path if it starts with
1891 # something that looks reasonable
1892 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1893 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1894
1895 $base =~ s{[^/]+/?$}{};
1896 $path = "$base/$path";
1897 }
1898
1899 for ($path) {
1900 redo if s{//}{/};
1901 redo if s{/\.?/}{/};
1902 redo if s{/[^/]+/\.\./}{/};
1903 }
1904
1905 $path
1906}
1907
1908sub new_from_path {
1909 my (undef, $path, $base) = @_;
1910
1911 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1912
1913 $path = normalise $path, $base;
1914
1915 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1916 if ($path =~ $EXT_MAP{$pkg}[1]) {
1917 my $self = bless cf::map::new, $pkg;
1918 $self->{path} = $path; $self->path ($path);
1919 $self->init; # pass $1 etc.
1920 return $self;
1921 }
1922 }
1923
1924 Carp::cluck "unable to resolve path '$path' (base '$base').";
1925 ()
1926}
1927
1928sub init {
1929 my ($self) = @_;
1930
1931 $self
1932}
1933
1934sub as_string {
1935 my ($self) = @_;
1936
1937 "$self->{path}"
1938}
1939
1940# the displayed name, this is a one way mapping
1941sub visible_name {
1942 &as_string
1943}
1944
1945# the original (read-only) location
1946sub load_path {
1947 my ($self) = @_;
1948
1949 "$MAPDIR/$self->{path}.map"
1950}
1951
1952# the temporary/swap location
1953sub save_path {
1954 my ($self) = @_;
1955
1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1957 "$TMPDIR/$path.map"
1958}
1959
1960# the unique path, undef == no special unique path
1961sub uniq_path {
1962 my ($self) = @_;
1963
1964 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1965 "$UNIQUEDIR/$path"
1966}
1967
1968sub decay_objects {
1969 my ($self) = @_;
1970
1971 return if $self->{deny_reset};
1972
1973 $self->do_decay_objects;
1974}
1975
1976sub unlink_save {
1977 my ($self) = @_;
1978
1979 utf8::encode (my $save = $self->save_path);
1980 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1981 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1982}
1983
1984sub load_header_from($) {
1985 my ($self, $path) = @_;
1212 1986
1213 utf8::encode $path; 1987 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1988 my $f = new_from_file cf::object::thawer $path
1215 or return; 1989 or return;
1216 1990
1217 my $map = cf::map::new 1991 $self->_load_header ($f)
1218 or return; 1992 or return;
1219 1993
1220 # for better error messages only, will be overwritten 1994 local $MAP_LOADING{$self->{path}} = $self;
1221 $map->path ($path); 1995 $f->resolve_delayed_derefs;
1222 1996
1223 $map->load_header ($path) 1997 $self->{load_path} = $path;
1998
1999 1
2000}
2001
2002sub load_header_orig {
2003 my ($self) = @_;
2004
2005 $self->load_header_from ($self->load_path)
2006}
2007
2008sub load_header_temp {
2009 my ($self) = @_;
2010
2011 $self->load_header_from ($self->save_path)
2012}
2013
2014sub prepare_temp {
2015 my ($self) = @_;
2016
2017 $self->last_access ((delete $self->{last_access})
2018 || $cf::RUNTIME); #d#
2019 # safety
2020 $self->{instantiate_time} = $cf::RUNTIME
2021 if $self->{instantiate_time} > $cf::RUNTIME;
2022}
2023
2024sub prepare_orig {
2025 my ($self) = @_;
2026
2027 $self->{load_original} = 1;
2028 $self->{instantiate_time} = $cf::RUNTIME;
2029 $self->last_access ($cf::RUNTIME);
2030 $self->instantiate;
2031}
2032
2033sub load_header {
2034 my ($self) = @_;
2035
2036 if ($self->load_header_temp) {
2037 $self->prepare_temp;
2038 } else {
2039 $self->load_header_orig
1224 or return; 2040 or return;
2041 $self->prepare_orig;
2042 }
1225 2043
1226 $map->{load_path} = $path; 2044 $self->{deny_reset} = 1
2045 if $self->no_reset;
1227 2046
1228 $map 2047 $self->default_region (cf::region::find_by_path $self->{path})
2048 unless $self->default_region;
2049
2050 1
1229} 2051}
1230 2052
1231sub find; 2053sub find;
1232sub find { 2054sub find {
1233 my ($path, $origin) = @_; 2055 my ($path, $origin) = @_;
1234 2056
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 2057 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 2058
1240 cf::lock_wait "map_find:$key"; 2059 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1241
1242 $cf::MAP{$key} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 2060 my $guard2 = cf::lock_acquire "map_find:$path";
1244 2061
1245 # do it the slow way 2062 $cf::MAP{$path} || do {
1246 my $map = try_load_header $path->save_path; 2063 my $map = new_from_path cf::map $path
1247
1248 Coro::cede;
1249
1250 if ($map) {
1251 $map->last_access ((delete $map->{last_access})
1252 || $cf::RUNTIME); #d#
1253 # safety
1254 $map->{instantiate_time} = $cf::RUNTIME
1255 if $map->{instantiate_time} > $cf::RUNTIME;
1256 } else {
1257 if (my $rmp = $path->random_map_params) {
1258 $map = generate_random_map $key, $rmp;
1259 } else {
1260 $map = try_load_header $path->load_path;
1261 }
1262
1263 $map or return; 2064 or return;
1264 2065
1265 $map->{load_original} = 1;
1266 $map->{instantiate_time} = $cf::RUNTIME;
1267 $map->last_access ($cf::RUNTIME);
1268 $map->instantiate;
1269
1270 # per-player maps become, after loading, normal maps
1271 $map->per_player (0) if $path->{user_rel};
1272 }
1273
1274 $map->path ($key);
1275 $map->{path} = $path;
1276 $map->{last_save} = $cf::RUNTIME; 2066 $map->{last_save} = $cf::RUNTIME;
1277 2067
1278 Coro::cede; 2068 $map->load_header
2069 or return;
1279 2070
1280 if ($map->should_reset) { 2071 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2072 # doing this can freeze the server in a sync job, obviously
2073 #$cf::WAIT_FOR_TICK->wait;
2074 undef $guard2;
2075 undef $guard1;
1281 $map->reset; 2076 $map->reset;
1282 undef $guard;
1283 $map = find $path 2077 return find $path;
1284 or return;
1285 } 2078 }
1286 2079
1287 $cf::MAP{$key} = $map 2080 $cf::MAP{$path} = $map
1288 } 2081 }
1289} 2082}
2083
2084sub pre_load { }
2085#sub post_load { } # XS
1290 2086
1291sub load { 2087sub load {
1292 my ($self) = @_; 2088 my ($self) = @_;
1293 2089
2090 local $self->{deny_reset} = 1; # loading can take a long time
2091
1294 my $path = $self->{path}; 2092 my $path = $self->{path};
2093
2094 {
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2095 my $guard = cf::lock_acquire "map_data:$path";
1296 2096
2097 return unless $self->valid;
1297 return if $self->in_memory != cf::MAP_SWAPPED; 2098 return unless $self->in_memory == cf::MAP_SWAPPED;
1298 2099
1299 $self->in_memory (cf::MAP_LOADING); 2100 $self->in_memory (cf::MAP_LOADING);
1300 2101
1301 $self->alloc; 2102 $self->alloc;
1302 $self->load_objects ($self->{load_path}, 1) 2103
2104 $self->pre_load;
2105 cf::cede_to_tick;
2106
2107 my $f = new_from_file cf::object::thawer $self->{load_path};
2108 $f->skip_block;
2109 $self->_load_objects ($f)
1303 or return; 2110 or return;
1304 2111
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2112 $self->post_load_original
1306 if delete $self->{load_original}; 2113 if delete $self->{load_original};
1307 2114
1308 if (my $uniq = $path->uniq_path) { 2115 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 2116 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 2117 unless (aio_stat $uniq) {
2118 if (my $f = new_from_file cf::object::thawer $uniq) {
1311 $self->clear_unique_items; 2119 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 2120 $self->_load_objects ($f);
2121 $f->resolve_delayed_derefs;
2122 }
1313 } 2123 }
1314 } 2124 }
1315 2125
1316 Coro::cede; 2126 $f->resolve_delayed_derefs;
1317 2127
2128 cf::cede_to_tick;
1318 # now do the right thing for maps 2129 # now do the right thing for maps
1319 $self->link_multipart_objects; 2130 $self->link_multipart_objects;
1320
1321 if ($self->{path}->is_style_map) {
1322 $self->{deny_save} = 1;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons;
1328 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 2131 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 2132 unless $self->difficulty;
2133 cf::cede_to_tick;
2134
2135 unless ($self->{deny_activate}) {
2136 $self->decay_objects;
2137 $self->fix_auto_apply;
2138 $self->update_buttons;
2139 cf::cede_to_tick;
1331 $self->activate; 2140 $self->activate;
1332 } 2141 }
1333 2142
1334 Coro::cede; 2143 $self->{last_save} = $cf::RUNTIME;
2144 $self->last_access ($cf::RUNTIME);
1335 2145
1336 $self->in_memory (cf::MAP_IN_MEMORY); 2146 $self->in_memory (cf::MAP_ACTIVE);
2147 }
2148
2149 $self->post_load;
2150}
2151
2152# customize the map for a given player, i.e.
2153# return the _real_ map. used by e.g. per-player
2154# maps to change the path to ~playername/mappath
2155sub customise_for {
2156 my ($self, $ob) = @_;
2157
2158 return find "~" . $ob->name . "/" . $self->{path}
2159 if $self->per_player;
2160
2161# return find "?party/" . $ob->name . "/" . $self->{path}
2162# if $self->per_party;
2163
2164 $self
2165}
2166
2167# find and load all maps in the 3x3 area around a map
2168sub load_neighbours {
2169 my ($map) = @_;
2170
2171 my @neigh; # diagonal neighbours
2172
2173 for (0 .. 3) {
2174 my $neigh = $map->tile_path ($_)
2175 or next;
2176 $neigh = find $neigh, $map
2177 or next;
2178 $neigh->load;
2179
2180 # now find the diagonal neighbours
2181 push @neigh,
2182 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2183 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2184 }
2185
2186 for (grep defined $_->[0], @neigh) {
2187 my ($path, $origin) = @$_;
2188 my $neigh = find $path, $origin
2189 or next;
2190 $neigh->load;
2191 }
1337} 2192}
1338 2193
1339sub find_sync { 2194sub find_sync {
1340 my ($path, $origin) = @_; 2195 my ($path, $origin) = @_;
1341 2196
1342 cf::sync_job { cf::map::find $path, $origin } 2197 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2198 if $Coro::current == $Coro::main;
2199
2200 find $path, $origin
1343} 2201}
1344 2202
1345sub do_load_sync { 2203sub do_load_sync {
1346 my ($map) = @_; 2204 my ($map) = @_;
1347 2205
1348 cf::sync_job { $map->load }; 2206 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2207 if $Coro::current == $Coro::main;
2208
2209 $map->load;
2210}
2211
2212our %MAP_PREFETCH;
2213our $MAP_PREFETCHER = undef;
2214
2215sub find_async {
2216 my ($path, $origin, $load) = @_;
2217
2218 $path = normalise $path, $origin && $origin->{path};
2219
2220 if (my $map = $cf::MAP{$path}) {
2221 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2222 }
2223
2224 $MAP_PREFETCH{$path} |= $load;
2225
2226 $MAP_PREFETCHER ||= cf::async {
2227 $Coro::current->{desc} = "map prefetcher";
2228
2229 while (%MAP_PREFETCH) {
2230 while (my ($k, $v) = each %MAP_PREFETCH) {
2231 if (my $map = find $k) {
2232 $map->load if $v;
2233 }
2234
2235 delete $MAP_PREFETCH{$k};
2236 }
2237 }
2238 undef $MAP_PREFETCHER;
2239 };
2240 $MAP_PREFETCHER->prio (6);
2241
2242 ()
2243}
2244
2245# common code, used by both ->save and ->swapout
2246sub _save {
2247 my ($self) = @_;
2248
2249 $self->{last_save} = $cf::RUNTIME;
2250
2251 return unless $self->dirty;
2252
2253 my $save = $self->save_path; utf8::encode $save;
2254 my $uniq = $self->uniq_path; utf8::encode $uniq;
2255
2256 $self->{load_path} = $save;
2257
2258 return if $self->{deny_save};
2259
2260 local $self->{last_access} = $self->last_access;#d#
2261
2262 cf::async {
2263 $Coro::current->{desc} = "map player save";
2264 $_->contr->save for $self->players;
2265 };
2266
2267 cf::get_slot 0.02;
2268
2269 if ($uniq) {
2270 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2271 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2272 } else {
2273 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2274 }
1349} 2275}
1350 2276
1351sub save { 2277sub save {
1352 my ($self) = @_; 2278 my ($self) = @_;
1353 2279
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
1355 2281
1356 $self->{last_save} = $cf::RUNTIME; 2282 $self->_save;
1357
1358 return unless $self->dirty;
1359
1360 my $save = $self->{path}->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1362
1363 $self->{load_path} = $save;
1364
1365 return if $self->{deny_save};
1366
1367 local $self->{last_access} = $self->last_access;#d#
1368
1369 cf::async {
1370 $_->contr->save for $self->players;
1371 };
1372
1373 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES);
1376 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 }
1379} 2283}
1380 2284
1381sub swap_out { 2285sub swap_out {
1382 my ($self) = @_; 2286 my ($self) = @_;
1383 2287
1384 # save first because save cedes
1385 $self->save;
1386
1387 my $lock = cf::lock_acquire "map_data:" . $self->path; 2288 my $lock = cf::lock_acquire "map_data:$self->{path}";
1388 2289
2290 return if $self->in_memory != cf::MAP_ACTIVE;
2291 return if $self->{deny_save};
1389 return if $self->players; 2292 return if $self->players;
1390 return if $self->in_memory != cf::MAP_IN_MEMORY;
1391 return if $self->{deny_save};
1392 2293
2294 # first deactivate the map and "unlink" it from the core
2295 $self->deactivate;
2296 $_->clear_links_to ($self) for values %cf::MAP;
2297 $self->in_memory (cf::MAP_SWAPPED);
2298
2299 # then atomically save
2300 $self->_save;
2301
2302 # then free the map
1393 $self->clear; 2303 $self->clear;
1394 $self->in_memory (cf::MAP_SWAPPED);
1395} 2304}
1396 2305
1397sub reset_at { 2306sub reset_at {
1398 my ($self) = @_; 2307 my ($self) = @_;
1399 2308
1400 # TODO: safety, remove and allow resettable per-player maps 2309 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel};
1402 return 1e99 if $self->{deny_reset}; 2310 return 1e99 if $self->{deny_reset};
1403 2311
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2312 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2313 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 2314
1411 my ($self) = @_; 2319 my ($self) = @_;
1412 2320
1413 $self->reset_at <= $cf::RUNTIME 2321 $self->reset_at <= $cf::RUNTIME
1414} 2322}
1415 2323
1416sub unlink_save {
1417 my ($self) = @_;
1418
1419 utf8::encode (my $save = $self->{path}->save_path);
1420 aioreq_pri 3; IO::AIO::aio_unlink $save;
1421 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422}
1423
1424sub rename {
1425 my ($self, $new_path) = @_;
1426
1427 $self->unlink_save;
1428
1429 delete $cf::MAP{$self->path};
1430 $self->{path} = new cf::path $new_path;
1431 $self->path ($self->{path}->as_string);
1432 $cf::MAP{$self->path} = $self;
1433
1434 $self->save;
1435}
1436
1437sub reset { 2324sub reset {
1438 my ($self) = @_; 2325 my ($self) = @_;
1439 2326
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 2328
1442 return if $self->players; 2329 return if $self->players;
1443 return if $self->{path}{user_rel};#d#
1444 2330
1445 warn "resetting map ", $self->path;#d# 2331 cf::trace "resetting map ", $self->path, "\n";
2332
2333 $self->in_memory (cf::MAP_SWAPPED);
2334
2335 # need to save uniques path
2336 unless ($self->{deny_save}) {
2337 my $uniq = $self->uniq_path; utf8::encode $uniq;
2338
2339 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2340 if $uniq;
2341 }
1446 2342
1447 delete $cf::MAP{$self->path}; 2343 delete $cf::MAP{$self->path};
1448 2344
2345 $self->deactivate;
1449 $_->clear_links_to ($self) for values %cf::MAP; 2346 $_->clear_links_to ($self) for values %cf::MAP;
2347 $self->clear;
1450 2348
1451 $self->unlink_save; 2349 $self->unlink_save;
1452 $self->destroy; 2350 $self->destroy;
1453} 2351}
1454 2352
1455my $nuke_counter = "aaaa"; 2353my $nuke_counter = "aaaa";
1456 2354
1457sub nuke { 2355sub nuke {
1458 my ($self) = @_; 2356 my ($self) = @_;
1459 2357
2358 {
2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
2360
2361 delete $cf::MAP{$self->path};
2362
2363 $self->unlink_save;
2364
2365 bless $self, "cf::map::wrap";
2366 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 2367 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 2368 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 2369 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2370
2371 $cf::MAP{$self->path} = $self;
2372 }
2373
1463 $self->reset; # polite request, might not happen 2374 $self->reset; # polite request, might not happen
1464} 2375}
1465 2376
1466sub customise_for { 2377=item $maps = cf::map::tmp_maps
1467 my ($map, $ob) = @_;
1468 2378
1469 if ($map->per_player) { 2379Returns an arrayref with all map paths of currently instantiated and saved
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2380maps. May block.
2381
2382=cut
2383
2384sub tmp_maps() {
1471 } 2385 [
1472 2386 map {
1473 $map 2387 utf8::decode $_;
2388 /\.map$/
2389 ? normalise $_
2390 : ()
2391 } @{ aio_readdir $TMPDIR or [] }
2392 ]
1474} 2393}
1475 2394
1476sub emergency_save { 2395=item $maps = cf::map::random_maps
1477 my $freeze_guard = cf::freeze_mainloop;
1478 2396
1479 warn "enter emergency map save\n"; 2397Returns an arrayref with all map paths of currently instantiated and saved
2398random maps. May block.
1480 2399
1481 cf::sync_job { 2400=cut
1482 warn "begin emergency map save\n"; 2401
1483 $_->save for values %cf::MAP; 2402sub random_maps() {
2403 [
2404 map {
2405 utf8::decode $_;
2406 /\.map$/
2407 ? normalise "?random/$_"
2408 : ()
2409 } @{ aio_readdir $RANDOMDIR or [] }
2410 ]
2411}
2412
2413=item cf::map::unique_maps
2414
2415Returns an arrayref of paths of all shared maps that have
2416instantiated unique items. May block.
2417
2418=cut
2419
2420sub unique_maps() {
2421 [
2422 map {
2423 utf8::decode $_;
2424 s/\.map$//; # TODO future compatibility hack
2425 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2426 ? ()
2427 : normalise $_
2428 } @{ aio_readdir $UNIQUEDIR or [] }
2429 ]
2430}
2431
2432=item cf::map::static_maps
2433
2434Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2435file in the shared directory excluding F</styles> and F</editor>). May
2436block.
2437
2438=cut
2439
2440sub static_maps() {
2441 my @dirs = "";
2442 my @maps;
2443
2444 while (@dirs) {
2445 my $dir = shift @dirs;
2446
2447 next if $dir eq "/styles" || $dir eq "/editor";
2448
2449 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2450 or return;
2451
2452 for (@$files) {
2453 s/\.map$// or next;
2454 utf8::decode $_;
2455 push @maps, "$dir/$_";
2456 }
2457
2458 push @dirs, map "$dir/$_", @$dirs;
1484 }; 2459 }
1485 2460
1486 warn "end emergency map save\n"; 2461 \@maps
2462}
2463
2464=back
2465
2466=head3 cf::object
2467
2468=cut
2469
2470package cf::object;
2471
2472=over 4
2473
2474=item $ob->inv_recursive
2475
2476Returns the inventory of the object I<and> their inventories, recursively,
2477but I<not> the object itself.
2478
2479=cut
2480
2481sub inv_recursive_;
2482sub inv_recursive_ {
2483 map { $_, inv_recursive_ $_->inv } @_
2484}
2485
2486sub inv_recursive {
2487 inv_recursive_ inv $_[0]
2488}
2489
2490=item $ref = $ob->ref
2491
2492Creates and returns a persistent reference to an object that can be stored as a string.
2493
2494=item $ob = cf::object::deref ($refstring)
2495
2496returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2497even if the object actually exists. May block.
2498
2499=cut
2500
2501sub deref {
2502 my ($ref) = @_;
2503
2504 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2505 my ($uuid, $name) = ($1, $2);
2506 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2507 or return;
2508 $pl->ob->uuid eq $uuid
2509 or return;
2510
2511 $pl->ob
2512 } else {
2513 warn "$ref: cannot resolve object reference\n";
2514 undef
2515 }
1487} 2516}
1488 2517
1489package cf; 2518package cf;
1490 2519
1491=back 2520=back
1492
1493 2521
1494=head3 cf::object::player 2522=head3 cf::object::player
1495 2523
1496=over 4 2524=over 4
1497 2525
1500Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2528Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1501can be C<undef>. Does the right thing when the player is currently in a 2529can be C<undef>. Does the right thing when the player is currently in a
1502dialogue with the given NPC character. 2530dialogue with the given NPC character.
1503 2531
1504=cut 2532=cut
2533
2534our $SAY_CHANNEL = {
2535 id => "say",
2536 title => "Map",
2537 reply => "say ",
2538 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2539};
2540
2541our $CHAT_CHANNEL = {
2542 id => "chat",
2543 title => "Chat",
2544 reply => "chat ",
2545 tooltip => "Player chat and shouts, global to the server.",
2546};
1505 2547
1506# rough implementation of a future "reply" method that works 2548# rough implementation of a future "reply" method that works
1507# with dialog boxes. 2549# with dialog boxes.
1508#TODO: the first argument must go, split into a $npc->reply_to ( method 2550#TODO: the first argument must go, split into a $npc->reply_to ( method
1509sub cf::object::player::reply($$$;$) { 2551sub cf::object::player::reply($$$;$) {
1511 2553
1512 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2554 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1513 2555
1514 if ($self->{record_replies}) { 2556 if ($self->{record_replies}) {
1515 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2557 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2558
1516 } else { 2559 } else {
2560 my $pl = $self->contr;
2561
2562 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2563 my $dialog = $pl->{npc_dialog};
2564 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2565
2566 } else {
1517 $msg = $npc->name . " says: $msg" if $npc; 2567 $msg = $npc->name . " says: $msg" if $npc;
1518 $self->message ($msg, $flags); 2568 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2569 }
1519 } 2570 }
2571}
2572
2573=item $object->send_msg ($channel, $msg, $color, [extra...])
2574
2575=cut
2576
2577sub cf::object::send_msg {
2578 my $pl = shift->contr
2579 or return;
2580 $pl->send_msg (@_);
1520} 2581}
1521 2582
1522=item $player_object->may ("access") 2583=item $player_object->may ("access")
1523 2584
1524Returns wether the given player is authorized to access resource "access" 2585Returns wether the given player is authorized to access resource "access"
1537 2598
1538=item $player_object->enter_link 2599=item $player_object->enter_link
1539 2600
1540Freezes the player and moves him/her to a special map (C<{link}>). 2601Freezes the player and moves him/her to a special map (C<{link}>).
1541 2602
1542The player should be reaosnably safe there for short amounts of time. You 2603The player should be reasonably safe there for short amounts of time (e.g.
1543I<MUST> call C<leave_link> as soon as possible, though. 2604for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2605though, as the player cannot control the character while it is on the link
2606map.
2607
2608Will never block.
1544 2609
1545=item $player_object->leave_link ($map, $x, $y) 2610=item $player_object->leave_link ($map, $x, $y)
1546 2611
1547Moves the player out of the specila link map onto the given map. If the 2612Moves the player out of the special C<{link}> map onto the specified
1548map is not valid (or omitted), the player will be moved back to the 2613map. If the map is not valid (or omitted), the player will be moved back
1549location he/she was before the call to C<enter_link>, or, if that fails, 2614to the location he/she was before the call to C<enter_link>, or, if that
1550to the emergency map position. 2615fails, to the emergency map position.
1551 2616
1552Might block. 2617Might block.
1553 2618
1554=cut 2619=cut
2620
2621sub link_map {
2622 unless ($LINK_MAP) {
2623 $LINK_MAP = cf::map::find "{link}"
2624 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2625 $LINK_MAP->load;
2626 }
2627
2628 $LINK_MAP
2629}
1555 2630
1556sub cf::object::player::enter_link { 2631sub cf::object::player::enter_link {
1557 my ($self) = @_; 2632 my ($self) = @_;
1558 2633
1559 $self->deactivate_recursive; 2634 $self->deactivate_recursive;
1560 2635
1561 return if $self->map == $LINK_MAP; 2636 ++$self->{_link_recursion};
2637
2638 return if UNIVERSAL::isa $self->map, "ext::map_link";
1562 2639
1563 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2640 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564 if $self->map; 2641 if $self->map && $self->map->{path} ne "{link}";
1565 2642
1566 $self->enter_map ($LINK_MAP, 20, 20); 2643 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1567} 2644}
1568 2645
1569sub cf::object::player::leave_link { 2646sub cf::object::player::leave_link {
1570 my ($self, $map, $x, $y) = @_; 2647 my ($self, $map, $x, $y) = @_;
2648
2649 return unless $self->contr->active;
1571 2650
1572 my $link_pos = delete $self->{_link_pos}; 2651 my $link_pos = delete $self->{_link_pos};
1573 2652
1574 unless ($map) { 2653 unless ($map) {
1575 # restore original map position 2654 # restore original map position
1586 ($x, $y) = (-1, -1) 2665 ($x, $y) = (-1, -1)
1587 unless (defined $x) && (defined $y); 2666 unless (defined $x) && (defined $y);
1588 2667
1589 # use -1 or undef as default coordinates, not 0, 0 2668 # use -1 or undef as default coordinates, not 0, 0
1590 ($x, $y) = ($map->enter_x, $map->enter_y) 2669 ($x, $y) = ($map->enter_x, $map->enter_y)
1591 if $x <=0 && $y <= 0; 2670 if $x <= 0 && $y <= 0;
1592 2671
1593 $map->load; 2672 $map->load;
2673 $map->load_neighbours;
1594 2674
1595 return unless $self->contr->active; 2675 return unless $self->contr->active;
2676
2677 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2678 if ($self->enter_map ($map, $x, $y)) {
2679 # entering was successful
2680 delete $self->{_link_recursion};
2681 # only activate afterwards, to support waiting in hooks
1596 $self->activate_recursive; 2682 $self->activate_recursive;
1597 $self->enter_map ($map, $x, $y);
1598}
1599
1600cf::player->attach (
1601 on_logout => sub {
1602 my ($pl) = @_;
1603
1604 # abort map switching before logout
1605 if ($pl->ob->{_link_pos}) {
1606 cf::sync_job {
1607 $pl->ob->leave_link
1608 };
1609 }
1610 }, 2683 }
1611 on_login => sub {
1612 my ($pl) = @_;
1613 2684
1614 # try to abort aborted map switching on player login :) 2685}
1615 # should happen only on crashes
1616 if ($pl->ob->{_link_pos}) {
1617 $pl->ob->enter_link;
1618 (async {
1619 # we need this sleep as the login has a concurrent enter_exit running
1620 # and this sleep increases chances of the player not ending up in scorn
1621 $pl->ob->reply (undef,
1622 "There was an internal problem at your last logout, "
1623 . "the server will try to bring you to your intended destination in a second.",
1624 cf::NDI_RED);
1625 Coro::Timer::sleep 1;
1626 $pl->ob->leave_link;
1627 })->prio (2);
1628 }
1629 },
1630);
1631 2686
1632=item $player_object->goto ($path, $x, $y) 2687=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1633 2688
2689Moves the player to the given map-path and coordinates by first freezing
2690her, loading and preparing them map, calling the provided $check callback
2691that has to return the map if sucecssful, and then unfreezes the player on
2692the new (success) or old (failed) map position. In either case, $done will
2693be called at the end of this process.
2694
2695Note that $check will be called with a potentially non-loaded map, so if
2696it needs a loaded map it has to call C<< ->load >>.
2697
1634=cut 2698=cut
2699
2700our $GOTOGEN;
1635 2701
1636sub cf::object::player::goto { 2702sub cf::object::player::goto {
1637 my ($self, $path, $x, $y) = @_; 2703 my ($self, $path, $x, $y, $check, $done) = @_;
2704
2705 if ($self->{_link_recursion} >= $MAX_LINKS) {
2706 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2707 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2708 ($path, $x, $y) = @$EMERGENCY_POSITION;
2709 }
2710
2711 # do generation counting so two concurrent goto's will be executed in-order
2712 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1638 2713
1639 $self->enter_link; 2714 $self->enter_link;
1640 2715
1641 (async { 2716 (async {
1642 $path = new cf::path $path; 2717 $Coro::current->{desc} = "player::goto $path $x $y";
1643 2718
1644 my $map = cf::map::find $path->as_string; 2719 # *tag paths override both path and x|y
2720 if ($path =~ /^\*(.*)$/) {
2721 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2722 my $ob = $obs[rand @obs];
2723
2724 # see if we actually can go there
2725 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2726 $ob = $obs[rand @obs];
2727 } else {
2728 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2729 }
2730 # else put us there anyways for now #d#
2731
2732 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2733 } else {
2734 ($path, $x, $y) = (undef, undef, undef);
2735 }
2736 }
2737
2738 my $map = eval {
2739 my $map = defined $path ? cf::map::find $path : undef;
2740
2741 if ($map) {
1645 $map = $map->customise_for ($self) if $map; 2742 $map = $map->customise_for ($self);
1646 2743 $map = $check->($map, $x, $y, $self) if $check && $map;
1647# warn "entering ", $map->path, " at ($x, $y)\n" 2744 } else {
1648# if $map;
1649
1650 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2745 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2746 }
1651 2747
2748 $map
2749 };
2750
2751 if ($@) {
2752 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2753 LOG llevError | logBacktrace, Carp::longmess $@;
2754 }
2755
2756 if ($gen == $self->{_goto_generation}) {
2757 delete $self->{_goto_generation};
1652 $self->leave_link ($map, $x, $y); 2758 $self->leave_link ($map, $x, $y);
2759 }
2760
2761 $done->($self) if $done;
1653 })->prio (1); 2762 })->prio (1);
1654} 2763}
1655 2764
1656=item $player_object->enter_exit ($exit_object) 2765=item $player_object->enter_exit ($exit_object)
1657 2766
1659 2768
1660sub parse_random_map_params { 2769sub parse_random_map_params {
1661 my ($spec) = @_; 2770 my ($spec) = @_;
1662 2771
1663 my $rmp = { # defaults 2772 my $rmp = { # defaults
1664 xsize => 10, 2773 xsize => (cf::rndm 15, 40),
1665 ysize => 10, 2774 ysize => (cf::rndm 15, 40),
2775 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2776 #layout => string,
1666 }; 2777 };
1667 2778
1668 for (split /\n/, $spec) { 2779 for (split /\n/, $spec) {
1669 my ($k, $v) = split /\s+/, $_, 2; 2780 my ($k, $v) = split /\s+/, $_, 2;
1670 2781
1682 # that depends on the exit object 2793 # that depends on the exit object
1683 2794
1684 my $rmp = parse_random_map_params $exit->msg; 2795 my $rmp = parse_random_map_params $exit->msg;
1685 2796
1686 if ($exit->map) { 2797 if ($exit->map) {
1687 $rmp->{region} = $exit->map->region_name; 2798 $rmp->{region} = $exit->region->name;
1688 $rmp->{origin_map} = $exit->map->path; 2799 $rmp->{origin_map} = $exit->map->path;
1689 $rmp->{origin_x} = $exit->x; 2800 $rmp->{origin_x} = $exit->x;
1690 $rmp->{origin_y} = $exit->y; 2801 $rmp->{origin_y} = $exit->y;
2802
2803 $exit->map->touch;
1691 } 2804 }
1692 2805
1693 $rmp->{random_seed} ||= $exit->random_seed; 2806 $rmp->{random_seed} ||= $exit->random_seed;
1694 2807
1695 my $data = cf::to_json $rmp; 2808 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1696 my $md5 = Digest::MD5::md5_hex $data; 2809 my $md5 = Digest::MD5::md5_hex $data;
2810 my $meta = "$RANDOMDIR/$md5.meta";
1697 2811
1698 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2812 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699 aio_write $fh, 0, (length $data), $data, 0; 2813 aio_write $fh, 0, (length $data), $data, 0;
2814 undef $fh;
2815 aio_rename "$meta~", $meta;
1700 2816
2817 my $slaying = "?random/$md5";
2818
2819 if ($exit->valid) {
1701 $exit->slaying ("?random/$md5"); 2820 $exit->slaying ("?random/$md5");
1702 $exit->msg (undef); 2821 $exit->msg (undef);
2822 }
1703 } 2823 }
1704} 2824}
1705 2825
1706sub cf::object::player::enter_exit { 2826sub cf::object::player::enter_exit {
1707 my ($self, $exit) = @_; 2827 my ($self, $exit) = @_;
1709 return unless $self->type == cf::PLAYER; 2829 return unless $self->type == cf::PLAYER;
1710 2830
1711 $self->enter_link; 2831 $self->enter_link;
1712 2832
1713 (async { 2833 (async {
1714 $self->deactivate_recursive; # just to be sure 2834 $Coro::current->{desc} = "enter_exit";
2835
1715 unless (eval { 2836 unless (eval {
2837 $self->deactivate_recursive; # just to be sure
2838
2839 # random map handling
2840 {
2841 my $guard = cf::lock_acquire "exit_prepare:$exit";
2842
1716 prepare_random_map $exit 2843 prepare_random_map $exit
1717 if $exit->slaying eq "/!"; 2844 if $exit->slaying eq "/!";
2845 }
1718 2846
1719 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2847 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1720 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2848 my $x = $exit->stats->hp;
2849 my $y = $exit->stats->sp;
1721 2850
2851 $self->goto ($map, $x, $y);
2852
2853 # if exit is damned, update players death & WoR home-position
2854 $self->contr->savebed ($map, $x, $y)
2855 if $exit->flag (cf::FLAG_DAMNED);
2856
1722 1; 2857 1
1723 }) { 2858 }) {
1724 $self->message ("Something went wrong deep within the crossfire server. " 2859 $self->message ("Something went wrong deep within the deliantra server. "
1725 . "I'll try to bring you back to the map you were before. " 2860 . "I'll try to bring you back to the map you were before. "
1726 . "Please report this to the dungeon master", 2861 . "Please report this to the dungeon master!",
1727 cf::NDI_UNIQUE | cf::NDI_RED); 2862 cf::NDI_UNIQUE | cf::NDI_RED);
1728 2863
1729 warn "ERROR in enter_exit: $@"; 2864 error "ERROR in enter_exit: $@";
1730 $self->leave_link; 2865 $self->leave_link;
1731 } 2866 }
1732 })->prio (1); 2867 })->prio (1);
1733} 2868}
1734 2869
1745 2880
1746sub cf::client::send_drawinfo { 2881sub cf::client::send_drawinfo {
1747 my ($self, $text, $flags) = @_; 2882 my ($self, $text, $flags) = @_;
1748 2883
1749 utf8::encode $text; 2884 utf8::encode $text;
1750 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2885 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751} 2886}
1752 2887
2888=item $client->send_big_packet ($pkt)
2889
2890Like C<send_packet>, but tries to compress large packets, and fragments
2891them as required.
2892
2893=cut
2894
2895our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2896
2897sub cf::client::send_big_packet {
2898 my ($self, $pkt) = @_;
2899
2900 # try lzf for large packets
2901 $pkt = "lzf " . Compress::LZF::compress $pkt
2902 if 1024 <= length $pkt and $self->{can_lzf};
2903
2904 # split very large packets
2905 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2906 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2907 $pkt = "frag";
2908 }
2909
2910 $self->send_packet ($pkt);
2911}
2912
2913=item $client->send_msg ($channel, $msg, $color, [extra...])
2914
2915Send a drawinfo or msg packet to the client, formatting the msg for the
2916client if neccessary. C<$type> should be a string identifying the type of
2917the message, with C<log> being the default. If C<$color> is negative, suppress
2918the message unless the client supports the msg packet.
2919
2920=cut
2921
2922# non-persistent channels (usually the info channel)
2923our %CHANNEL = (
2924 "c/motd" => {
2925 id => "infobox",
2926 title => "MOTD",
2927 reply => undef,
2928 tooltip => "The message of the day",
2929 },
2930 "c/identify" => {
2931 id => "infobox",
2932 title => "Identify",
2933 reply => undef,
2934 tooltip => "Items recently identified",
2935 },
2936 "c/examine" => {
2937 id => "infobox",
2938 title => "Examine",
2939 reply => undef,
2940 tooltip => "Signs and other items you examined",
2941 },
2942 "c/shopinfo" => {
2943 id => "infobox",
2944 title => "Shop Info",
2945 reply => undef,
2946 tooltip => "What your bargaining skill tells you about the shop",
2947 },
2948 "c/book" => {
2949 id => "infobox",
2950 title => "Book",
2951 reply => undef,
2952 tooltip => "The contents of a note or book",
2953 },
2954 "c/lookat" => {
2955 id => "infobox",
2956 title => "Look",
2957 reply => undef,
2958 tooltip => "What you saw there",
2959 },
2960 "c/who" => {
2961 id => "infobox",
2962 title => "Players",
2963 reply => undef,
2964 tooltip => "Shows players who are currently online",
2965 },
2966 "c/body" => {
2967 id => "infobox",
2968 title => "Body Parts",
2969 reply => undef,
2970 tooltip => "Shows which body parts you posess and are available",
2971 },
2972 "c/statistics" => {
2973 id => "infobox",
2974 title => "Statistics",
2975 reply => undef,
2976 tooltip => "Shows your primary statistics",
2977 },
2978 "c/skills" => {
2979 id => "infobox",
2980 title => "Skills",
2981 reply => undef,
2982 tooltip => "Shows your experience per skill and item power",
2983 },
2984 "c/shopitems" => {
2985 id => "infobox",
2986 title => "Shop Items",
2987 reply => undef,
2988 tooltip => "Shows the items currently for sale in this shop",
2989 },
2990 "c/resistances" => {
2991 id => "infobox",
2992 title => "Resistances",
2993 reply => undef,
2994 tooltip => "Shows your resistances",
2995 },
2996 "c/pets" => {
2997 id => "infobox",
2998 title => "Pets",
2999 reply => undef,
3000 tooltip => "Shows information abotu your pets/a specific pet",
3001 },
3002 "c/perceiveself" => {
3003 id => "infobox",
3004 title => "Perceive Self",
3005 reply => undef,
3006 tooltip => "You gained detailed knowledge about yourself",
3007 },
3008 "c/uptime" => {
3009 id => "infobox",
3010 title => "Uptime",
3011 reply => undef,
3012 tooltip => "How long the server has been running since last restart",
3013 },
3014 "c/mapinfo" => {
3015 id => "infobox",
3016 title => "Map Info",
3017 reply => undef,
3018 tooltip => "Information related to the maps",
3019 },
3020 "c/party" => {
3021 id => "party",
3022 title => "Party",
3023 reply => "gsay ",
3024 tooltip => "Messages and chat related to your party",
3025 },
3026 "c/death" => {
3027 id => "death",
3028 title => "Death",
3029 reply => undef,
3030 tooltip => "Reason for and more info about your most recent death",
3031 },
3032 "c/say" => $SAY_CHANNEL,
3033 "c/chat" => $CHAT_CHANNEL,
3034);
3035
3036sub cf::client::send_msg {
3037 my ($self, $channel, $msg, $color, @extra) = @_;
3038
3039 $msg = $self->pl->expand_cfpod ($msg)
3040 unless $color & cf::NDI_VERBATIM;
3041
3042 $color &= cf::NDI_CLIENT_MASK; # just in case...
3043
3044 # check predefined channels, for the benefit of C
3045 if ($CHANNEL{$channel}) {
3046 $channel = $CHANNEL{$channel};
3047
3048 $self->ext_msg (channel_info => $channel);
3049 $channel = $channel->{id};
3050
3051 } elsif (ref $channel) {
3052 # send meta info to client, if not yet sent
3053 unless (exists $self->{channel}{$channel->{id}}) {
3054 $self->{channel}{$channel->{id}} = $channel;
3055 $self->ext_msg (channel_info => $channel);
3056 }
3057
3058 $channel = $channel->{id};
3059 }
3060
3061 return unless @extra || length $msg;
3062
3063 # default colour, mask it out
3064 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3065 if $color & cf::NDI_DEF;
3066
3067 my $pkt = "msg "
3068 . $self->{json_coder}->encode (
3069 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3070 );
3071
3072 $self->send_big_packet ($pkt);
3073}
3074
3075=item $client->ext_msg ($type, @msg)
3076
3077Sends an ext event to the client.
3078
3079=cut
3080
3081sub cf::client::ext_msg($$@) {
3082 my ($self, $type, @msg) = @_;
3083
3084 if ($self->extcmd == 2) {
3085 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3086 } elsif ($self->extcmd == 1) { # TODO: remove
3087 push @msg, msgtype => "event_$type";
3088 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3089 }
3090}
3091
3092=item $client->ext_reply ($msgid, @msg)
3093
3094Sends an ext reply to the client.
3095
3096=cut
3097
3098sub cf::client::ext_reply($$@) {
3099 my ($self, $id, @msg) = @_;
3100
3101 if ($self->extcmd == 2) {
3102 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3103 } elsif ($self->extcmd == 1) {
3104 #TODO: version 1, remove
3105 unshift @msg, msgtype => "reply", msgid => $id;
3106 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3107 }
3108}
1753 3109
1754=item $success = $client->query ($flags, "text", \&cb) 3110=item $success = $client->query ($flags, "text", \&cb)
1755 3111
1756Queues a query to the client, calling the given callback with 3112Queues a query to the client, calling the given callback with
1757the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3113the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1758C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3114C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1759 3115
1760Queries can fail, so check the return code. Or don't, as queries will become 3116Queries can fail, so check the return code. Or don't, as queries will
1761reliable at some point in the future. 3117become reliable at some point in the future.
1762 3118
1763=cut 3119=cut
1764 3120
1765sub cf::client::query { 3121sub cf::client::query {
1766 my ($self, $flags, $text, $cb) = @_; 3122 my ($self, $flags, $text, $cb) = @_;
1774 utf8::encode $text; 3130 utf8::encode $text;
1775 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3131 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1776 3132
1777 $self->send_packet ($self->{query_queue}[0][0]) 3133 $self->send_packet ($self->{query_queue}[0][0])
1778 if @{ $self->{query_queue} } == 1; 3134 if @{ $self->{query_queue} } == 1;
3135
3136 1
1779} 3137}
1780 3138
1781cf::client->attach ( 3139cf::client->attach (
3140 on_connect => sub {
3141 my ($ns) = @_;
3142
3143 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3144 },
1782 on_reply => sub { 3145 on_reply => sub {
1783 my ($ns, $msg) = @_; 3146 my ($ns, $msg) = @_;
1784 3147
1785 # this weird shuffling is so that direct followup queries 3148 # this weird shuffling is so that direct followup queries
1786 # get handled first 3149 # get handled first
1787 my $queue = delete $ns->{query_queue} 3150 my $queue = delete $ns->{query_queue}
1788 or return; # be conservative, not sure how that can happen, but we saw a crash here 3151 or return; # be conservative, not sure how that can happen, but we saw a crash here
1789 3152
1790 (shift @$queue)->[1]->($msg); 3153 (shift @$queue)->[1]->($msg);
3154 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791 3155
1792 push @{ $ns->{query_queue} }, @$queue; 3156 push @{ $ns->{query_queue} }, @$queue;
1793 3157
1794 if (@{ $ns->{query_queue} } == @$queue) { 3158 if (@{ $ns->{query_queue} } == @$queue) {
1795 if (@$queue) { 3159 if (@$queue) {
1797 } else { 3161 } else {
1798 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1799 } 3163 }
1800 } 3164 }
1801 }, 3165 },
3166 on_exticmd => sub {
3167 my ($ns, $buf) = @_;
3168
3169 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3170
3171 if (ref $msg) {
3172 my ($type, $reply, @payload) =
3173 "ARRAY" eq ref $msg
3174 ? @$msg
3175 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3176
3177 my @reply;
3178
3179 if (my $cb = $EXTICMD{$type}) {
3180 @reply = $cb->($ns, @payload);
3181 }
3182
3183 $ns->ext_reply ($reply, @reply)
3184 if $reply;
3185
3186 } else {
3187 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3188 }
3189
3190 cf::override;
3191 },
1802); 3192);
1803 3193
1804=item $client->async (\&cb) 3194=item $client->async (\&cb)
1805 3195
1806Create a new coroutine, running the specified callback. The coroutine will 3196Create a new coroutine, running the specified callback. The coroutine will
1822 3212
1823 $coro 3213 $coro
1824} 3214}
1825 3215
1826cf::client->attach ( 3216cf::client->attach (
1827 on_destroy => sub { 3217 on_client_destroy => sub {
1828 my ($ns) = @_; 3218 my ($ns) = @_;
1829 3219
1830 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3220 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1831 }, 3221 },
1832); 3222);
1847our $safe = new Safe "safe"; 3237our $safe = new Safe "safe";
1848our $safe_hole = new Safe::Hole; 3238our $safe_hole = new Safe::Hole;
1849 3239
1850$SIG{FPE} = 'IGNORE'; 3240$SIG{FPE} = 'IGNORE';
1851 3241
1852$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3242$safe->permit_only (Opcode::opset qw(
3243 :base_core :base_mem :base_orig :base_math :base_loop
3244 grepstart grepwhile mapstart mapwhile
3245 sort time
3246));
1853 3247
1854# here we export the classes and methods available to script code 3248# here we export the classes and methods available to script code
1855 3249
1856=pod 3250=pod
1857 3251
1858The following fucntions and emthods are available within a safe environment: 3252The following functions and methods are available within a safe environment:
1859 3253
1860 cf::object contr pay_amount pay_player map 3254 cf::object
3255 contr pay_amount pay_player map x y force_find force_add destroy
3256 insert remove name archname title slaying race decrease split
3257 value
3258
1861 cf::object::player player 3259 cf::object::player
1862 cf::player peaceful 3260 player
1863 cf::map trigger 3261
3262 cf::player
3263 peaceful
3264
3265 cf::map
3266 trigger
1864 3267
1865=cut 3268=cut
1866 3269
1867for ( 3270for (
1868 ["cf::object" => qw(contr pay_amount pay_player map)], 3271 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3272 insert remove inv nrof name archname title slaying race
3273 decrease split destroy change_exp value msg lore send_msg)],
1869 ["cf::object::player" => qw(player)], 3274 ["cf::object::player" => qw(player)],
1870 ["cf::player" => qw(peaceful)], 3275 ["cf::player" => qw(peaceful send_msg)],
1871 ["cf::map" => qw(trigger)], 3276 ["cf::map" => qw(trigger)],
1872) { 3277) {
1873 no strict 'refs';
1874 my ($pkg, @funs) = @$_; 3278 my ($pkg, @funs) = @$_;
1875 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3279 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1876 for @funs; 3280 for @funs;
1877} 3281}
1878 3282
1893 3297
1894 my $qcode = $code; 3298 my $qcode = $code;
1895 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3299 $qcode =~ s/"/‟/g; # not allowed in #line filenames
1896 $qcode =~ s/\n/\\n/g; 3300 $qcode =~ s/\n/\\n/g;
1897 3301
3302 %vars = (_dummy => 0) unless %vars;
3303
3304 my @res;
1898 local $_; 3305 local $_;
1899 local @safe::cf::_safe_eval_args = values %vars;
1900 3306
1901 my $eval = 3307 my $eval =
1902 "do {\n" 3308 "do {\n"
1903 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3309 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1904 . "#line 0 \"{$qcode}\"\n" 3310 . "#line 0 \"{$qcode}\"\n"
1905 . $code 3311 . $code
1906 . "\n}" 3312 . "\n}"
1907 ; 3313 ;
1908 3314
3315 if ($CFG{safe_eval}) {
1909 sub_generation_inc; 3316 sub_generation_inc;
3317 local @safe::cf::_safe_eval_args = values %vars;
1910 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3318 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1911 sub_generation_inc; 3319 sub_generation_inc;
3320 } else {
3321 local @cf::_safe_eval_args = values %vars;
3322 @res = wantarray ? eval eval : scalar eval $eval;
3323 }
1912 3324
1913 if ($@) { 3325 if ($@) {
1914 warn "$@"; 3326 warn "$@",
1915 warn "while executing safe code '$code'\n"; 3327 "while executing safe code '$code'\n",
1916 warn "with arguments " . (join " ", %vars) . "\n"; 3328 "with arguments " . (join " ", %vars) . "\n";
1917 } 3329 }
1918 3330
1919 wantarray ? @res : $res[0] 3331 wantarray ? @res : $res[0]
1920} 3332}
1921 3333
1935=cut 3347=cut
1936 3348
1937sub register_script_function { 3349sub register_script_function {
1938 my ($fun, $cb) = @_; 3350 my ($fun, $cb) = @_;
1939 3351
1940 no strict 'refs'; 3352 $fun = "safe::$fun" if $CFG{safe_eval};
1941 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3353 *$fun = $safe_hole->wrap ($cb);
1942} 3354}
1943 3355
1944=back 3356=back
1945 3357
1946=cut 3358=cut
1947 3359
1948############################################################################# 3360#############################################################################
3361# the server's init and main functions
1949 3362
1950=head2 EXTENSION DATABASE SUPPORT 3363# async inc loader. yay.
3364sub inc_loader {
3365 my $mod = $_[1];
1951 3366
1952Crossfire maintains a very simple database for extension use. It can 3367 if (in_main && !tick_inhibit) {
1953currently store anything that can be serialised using Storable, which 3368 Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
1954excludes objects. 3369 } else {
1955 3370 debug "loading perl module $mod\n";
1956The parameter C<$family> should best start with the name of the extension
1957using it, it should be unique.
1958
1959=over 4
1960
1961=item $hashref = cf::db_get $family
1962
1963Return a hashref for use by the extension C<$family>, which can be
1964modified. After modifications, you have to call C<cf::db_dirty> or
1965C<cf::db_sync>.
1966
1967=item $value = cf::db_get $family => $key
1968
1969Returns a single value from the database
1970
1971=item cf::db_put $family => $hashref
1972
1973Stores the given family hashref into the database. Updates are delayed, if
1974you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975
1976=item cf::db_put $family => $key => $value
1977
1978Stores the given C<$value> in the family hash. Updates are delayed, if you
1979want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981=item cf::db_dirty
1982
1983Marks the database as dirty, to be updated at a later time.
1984
1985=item cf::db_sync
1986
1987Immediately write the database to disk I<if it is dirty>.
1988
1989=cut
1990
1991our $DB;
1992
1993{
1994 my $path = cf::localdir . "/database.pst";
1995
1996 sub db_load() {
1997 $DB = stat $path ? Storable::retrieve $path : { };
1998 } 3371 }
1999 3372
2000 my $pid; 3373 # 1. find real file
3374 for my $dir (@ORIG_INC) {
3375 warn "$dir/$mod\n";#d#
3376 ref $dir and next;
3377 0 <= Coro::AIO::aio_load "$dir/$mod", my $data
3378 or next;
2001 3379
2002 sub db_save() { 3380 $data = "#line 1 $dir/$mod\n$data";
2003 waitpid $pid, 0 if $pid;
2004 if (0 == ($pid = fork)) {
2005 $DB->{_meta}{version} = 1;
2006 Storable::nstore $DB, "$path~";
2007 rename "$path~", $path;
2008 cf::_exit 0 if defined $pid;
2009 }
2010 }
2011 3381
2012 my $dirty; 3382 open my $fh, "<", \$data or die;
2013 3383
2014 sub db_sync() { 3384 return $fh;
2015 db_save if $dirty;
2016 undef $dirty;
2017 } 3385 }
2018 3386
2019 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 3387 ()
2020 db_sync; 3388}
3389
3390sub init_inc {
3391 # save original @INC
3392 @ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
3393
3394 # make sure we can do scalar-opens
3395 open my $dummy, "<", \my $dummy2;
3396
3397 # execute some stuff so perl load's some of the core modules
3398 /Ü/ =~ /ü/i;
3399 eval { &Storable::nstore_fd };
3400
3401 @INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
3402
3403 debug "module loading will be asynchronous from this point on.";
3404}
3405
3406sub load_facedata($) {
3407 my ($path) = @_;
3408
3409 # HACK to clear player env face cache, we need some signal framework
3410 # for this (global event?)
3411 %ext::player_env::MUSIC_FACE_CACHE = ();
3412
3413 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3414
3415 trace "loading facedata from $path\n";
3416
3417 my $facedata;
3418 0 < aio_load $path, $facedata
3419 or die "$path: $!";
3420
3421 $facedata = Coro::Storable::thaw $facedata;
3422
3423 $facedata->{version} == 2
3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
3425
3426 # patch in the exptable
3427 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3428 $facedata->{resource}{"res/exp_table"} = {
3429 type => FT_RSRC,
3430 data => $exp_table,
3431 hash => (Digest::MD5::md5 $exp_table),
2021 }); 3432 };
3433 cf::cede_to_tick;
2022 3434
2023 sub db_dirty() {
2024 $dirty = 1;
2025 $idle->start;
2026 } 3435 {
3436 my $faces = $facedata->{faceinfo};
2027 3437
2028 sub db_get($;$) { 3438 while (my ($face, $info) = each %$faces) {
2029 @_ >= 2 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2030 ? $DB->{$_[0]}{$_[1]}
2031 : ($DB->{$_[0]} ||= { })
2032 }
2033 3440
2034 sub db_put($$;$) { 3441 cf::face::set_visibility $idx, $info->{visibility};
2035 if (@_ >= 3) { 3442 cf::face::set_magicmap $idx, $info->{magicmap};
2036 $DB->{$_[0]}{$_[1]} = $_[2]; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2037 } else { 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2038 $DB->{$_[0]} = $_[1];
2039 }
2040 db_dirty;
2041 }
2042 3445
2043 cf::global->attach ( 3446 cf::cede_to_tick;
2044 prio => 10000,
2045 on_cleanup => sub {
2046 db_sync;
2047 }, 3447 }
2048 );
2049}
2050 3448
2051############################################################################# 3449 while (my ($face, $info) = each %$faces) {
2052# the server's main() 3450 next unless $info->{smooth};
2053 3451
2054sub cfg_load { 3452 my $idx = cf::face::find $face
3453 or next;
3454
3455 if (my $smooth = cf::face::find $info->{smooth}) {
3456 cf::face::set_smooth $idx, $smooth;
3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3458 } else {
3459 error "smooth face '$info->{smooth}' not found for face '$face'";
3460 }
3461
3462 cf::cede_to_tick;
3463 }
3464 }
3465
3466 {
3467 my $anims = $facedata->{animinfo};
3468
3469 while (my ($anim, $info) = each %$anims) {
3470 cf::anim::set $anim, $info->{frames}, $info->{facings};
3471 cf::cede_to_tick;
3472 }
3473
3474 cf::anim::invalidate_all; # d'oh
3475 }
3476
3477 {
3478 my $res = $facedata->{resource};
3479
3480 while (my ($name, $info) = each %$res) {
3481 if (defined $info->{type}) {
3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3483
3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type};
3486 } else {
3487 $RESOURCE{$name} = $info; # unused
3488 }
3489
3490 cf::cede_to_tick;
3491 }
3492 }
3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3495
3496 1
3497}
3498
3499register_exticmd fx_want => sub {
3500 my ($ns, $want) = @_;
3501
3502 while (my ($k, $v) = each %$want) {
3503 $ns->fx_want ($k, $v);
3504 }
3505};
3506
3507sub load_resource_file($) {
3508 my $guard = lock_acquire "load_resource_file";
3509
3510 my $status = load_resource_file_ $_[0];
3511 get_slot 0.1, 100;
3512 cf::arch::commit_load;
3513
3514 $status
3515}
3516
3517sub reload_regions {
3518 # HACK to clear player env face cache, we need some signal framework
3519 # for this (global event?)
3520 %ext::player_env::MUSIC_FACE_CACHE = ();
3521
3522 load_resource_file "$MAPDIR/regions"
3523 or die "unable to load regions file\n";
3524
3525 for (cf::region::list) {
3526 $_->{match} = qr/$_->{match}/
3527 if exists $_->{match};
3528 }
3529}
3530
3531sub reload_facedata {
3532 load_facedata "$DATADIR/facedata"
3533 or die "unable to load facedata\n";
3534}
3535
3536sub reload_archetypes {
3537 load_resource_file "$DATADIR/archetypes"
3538 or die "unable to load archetypes\n";
3539}
3540
3541sub reload_treasures {
3542 load_resource_file "$DATADIR/treasures"
3543 or die "unable to load treasurelists\n";
3544}
3545
3546sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n";
3548
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3553
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_]
3556 or next;
3557
3558 my $face = cf::face::find "sound/$sound->[1]";
3559 cf::sound::set $sound->[0] => $face;
3560 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3561 }
3562
3563 while (my ($k, $v) = each %{$soundconf->{event}}) {
3564 my $face = cf::face::find "sound/$v";
3565 cf::sound::set $k => $face;
3566 }
3567}
3568
3569sub reload_resources {
3570 trace "reloading resource files...\n";
3571
3572 reload_facedata;
3573 reload_sound;
3574 reload_archetypes;
3575 reload_regions;
3576 reload_treasures;
3577
3578 trace "finished reloading resource files\n";
3579}
3580
3581sub reload_config {
3582 trace "reloading config file...\n";
3583
2055 open my $fh, "<:utf8", cf::confdir . "/config" 3584 open my $fh, "<:utf8", "$CONFDIR/config"
2056 or return; 3585 or return;
2057 3586
2058 local $/; 3587 local $/;
2059 *CFG = YAML::Syck::Load <$fh>; 3588 *CFG = YAML::XS::Load scalar <$fh>;
2060 3589
2061 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3590 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2062 3591
2063 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3592 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3593 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065 3594
2066 if (exists $CFG{mlockall}) { 3595 if (exists $CFG{mlockall}) {
2067 eval { 3596 eval {
2068 $CFG{mlockall} ? &mlockall : &munlockall 3597 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069 and die "WARNING: m(un)lockall failed: $!\n"; 3598 and die "WARNING: m(un)lockall failed: $!\n";
2070 }; 3599 };
2071 warn $@ if $@; 3600 warn $@ if $@;
2072 } 3601 }
3602
3603 trace "finished reloading resource files\n";
3604}
3605
3606sub pidfile() {
3607 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3608 or die "$PIDFILE: $!";
3609 flock $fh, &Fcntl::LOCK_EX
3610 or die "$PIDFILE: flock: $!";
3611 $fh
3612}
3613
3614# make sure only one server instance is running at any one time
3615sub atomic {
3616 my $fh = pidfile;
3617
3618 my $pid = <$fh>;
3619 kill 9, $pid if $pid > 0;
3620
3621 seek $fh, 0, 0;
3622 print $fh $$;
3623}
3624
3625sub main_loop {
3626 trace "EV::loop starting\n";
3627 if (1) {
3628 EV::loop;
3629 }
3630 trace "EV::loop returned\n";
3631 goto &main_loop unless $REALLY_UNLOOP;
2073} 3632}
2074 3633
2075sub main { 3634sub main {
3635 cf::init_globals; # initialise logging
3636
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643
2076 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
2077 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
2078 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3646 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2079 async { Event::one_event }; 3647 (async {
3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
3650 })->prio (Coro::PRIO_MAX);
2080 }; 3651 };
2081 3652
2082 cfg_load; 3653 evthread_start IO::AIO::poll_fileno;
2083 db_load; 3654
3655 cf::sync_job {
3656 init_inc;
3657
3658 cf::init_experience;
3659 cf::init_anim;
3660 cf::init_attackmess;
3661 cf::init_dynamic;
3662
3663 cf::load_settings;
3664 cf::load_materials;
3665
3666 reload_resources;
3667 reload_config;
3668 db_init;
3669
3670 cf::init_uuid;
3671 cf::init_signals;
3672 cf::init_skills;
3673
3674 cf::init_beforeplay;
3675
3676 atomic;
3677
2084 load_extensions; 3678 load_extensions;
2085 Event::loop; 3679
3680 utime time, time, $RUNTIMEFILE;
3681
3682 # no (long-running) fork's whatsoever before this point(!)
3683 use POSIX ();
3684 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3685
3686 (pop @POST_INIT)->(0) while @POST_INIT;
3687 };
3688
3689 cf::object::thawer::errors_are_fatal 0;
3690 info "parse errors in files are no longer fatal from this point on.\n";
3691
3692 my $free_main; $free_main = EV::idle sub {
3693 undef $free_main;
3694 undef &main; # free gobs of memory :)
3695 };
3696
3697 goto &main_loop;
2086} 3698}
2087 3699
2088############################################################################# 3700#############################################################################
2089# initialisation 3701# initialisation and cleanup
2090 3702
3703# install some emergency cleanup handlers
3704BEGIN {
3705 our %SIGWATCHER = ();
3706 for my $signal (qw(INT HUP TERM)) {
3707 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3708 cf::cleanup "SIG$signal";
3709 };
3710 }
3711}
3712
3713sub write_runtime_sync {
3714 my $t0 = AE::time;
3715
3716 # first touch the runtime file to show we are still running:
3717 # the fsync below can take a very very long time.
3718
3719 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3720
3721 my $guard = cf::lock_acquire "write_runtime";
3722
3723 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3724 or return;
3725
3726 my $value = $cf::RUNTIME + 90 + 10;
3727 # 10 is the runtime save interval, for a monotonic clock
3728 # 60 allows for the watchdog to kill the server.
3729
3730 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3731 and return;
3732
3733 # always fsync - this file is important
3734 aio_fsync $fh
3735 and return;
3736
3737 # touch it again to show we are up-to-date
3738 aio_utime $fh, undef, undef;
3739
3740 close $fh
3741 or return;
3742
3743 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3744 and return;
3745
3746 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3747
3748 1
3749}
3750
3751our $uuid_lock;
3752our $uuid_skip;
3753
3754sub write_uuid_sync($) {
3755 $uuid_skip ||= $_[0];
3756
3757 return if $uuid_lock;
3758 local $uuid_lock = 1;
3759
3760 my $uuid = "$LOCALDIR/uuid";
3761
3762 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3763 or return;
3764
3765 my $value = uuid_seq uuid_cur;
3766
3767 unless ($value) {
3768 info "cowardly refusing to write zero uuid value!\n";
3769 return;
3770 }
3771
3772 my $value = uuid_str $value + $uuid_skip;
3773 $uuid_skip = 0;
3774
3775 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3776 and return;
3777
3778 # always fsync - this file is important
3779 aio_fsync $fh
3780 and return;
3781
3782 close $fh
3783 or return;
3784
3785 aio_rename "$uuid~", $uuid
3786 and return;
3787
3788 trace "uuid file written ($value).\n";
3789
3790 1
3791
3792}
3793
3794sub write_uuid($$) {
3795 my ($skip, $sync) = @_;
3796
3797 $sync ? write_uuid_sync $skip
3798 : async { write_uuid_sync $skip };
3799}
3800
3801sub emergency_save() {
3802 my $freeze_guard = cf::freeze_mainloop;
3803
3804 info "emergency_perl_save: enter\n";
3805
3806 # this is a trade-off: we want to be very quick here, so
3807 # save all maps without fsync, and later call a global sync
3808 # (which in turn might be very very slow)
3809 local $USE_FSYNC = 0;
3810
3811 cf::sync_job {
3812 cf::write_runtime_sync; # external watchdog should not bark
3813
3814 # use a peculiar iteration method to avoid tripping on perl
3815 # refcount bugs in for. also avoids problems with players
3816 # and maps saved/destroyed asynchronously.
3817 info "emergency_perl_save: begin player save\n";
3818 for my $login (keys %cf::PLAYER) {
3819 my $pl = $cf::PLAYER{$login} or next;
3820 $pl->valid or next;
3821 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3822 $pl->save;
3823 }
3824 info "emergency_perl_save: end player save\n";
3825
3826 cf::write_runtime_sync; # external watchdog should not bark
3827
3828 info "emergency_perl_save: begin map save\n";
3829 for my $path (keys %cf::MAP) {
3830 my $map = $cf::MAP{$path} or next;
3831 $map->valid or next;
3832 $map->save;
3833 }
3834 info "emergency_perl_save: end map save\n";
3835
3836 cf::write_runtime_sync; # external watchdog should not bark
3837
3838 info "emergency_perl_save: begin database checkpoint\n";
3839 BDB::db_env_txn_checkpoint $DB_ENV;
3840 info "emergency_perl_save: end database checkpoint\n";
3841
3842 info "emergency_perl_save: begin write uuid\n";
3843 write_uuid_sync 1;
3844 info "emergency_perl_save: end write uuid\n";
3845
3846 cf::write_runtime_sync; # external watchdog should not bark
3847
3848 trace "emergency_perl_save: syncing database to disk";
3849 BDB::db_env_txn_checkpoint $DB_ENV;
3850
3851 info "emergency_perl_save: starting sync\n";
3852 IO::AIO::aio_sync sub {
3853 info "emergency_perl_save: finished sync\n";
3854 };
3855
3856 cf::write_runtime_sync; # external watchdog should not bark
3857
3858 trace "emergency_perl_save: flushing outstanding aio requests";
3859 while (IO::AIO::nreqs || BDB::nreqs) {
3860 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3861 }
3862
3863 cf::write_runtime_sync; # external watchdog should not bark
3864 };
3865
3866 info "emergency_perl_save: leave\n";
3867}
3868
3869sub post_cleanup {
3870 my ($make_core) = @_;
3871
3872 IO::AIO::flush;
3873
3874 error Carp::longmess "post_cleanup backtrace"
3875 if $make_core;
3876
3877 my $fh = pidfile;
3878 unlink $PIDFILE if <$fh> == $$;
3879}
3880
3881# a safer delete_package, copied from Symbol
3882sub clear_package($) {
3883 my $pkg = shift;
3884
3885 # expand to full symbol table name if needed
3886 unless ($pkg =~ /^main::.*::$/) {
3887 $pkg = "main$pkg" if $pkg =~ /^::/;
3888 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3889 $pkg .= '::' unless $pkg =~ /::$/;
3890 }
3891
3892 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3893 my $stem_symtab = *{$stem}{HASH};
3894
3895 defined $stem_symtab and exists $stem_symtab->{$leaf}
3896 or return;
3897
3898 # clear all symbols
3899 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3900 for my $name (keys %$leaf_symtab) {
3901 _gv_clear *{"$pkg$name"};
3902# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3903 }
3904}
3905
2091sub reload() { 3906sub do_reload_perl() {
2092 # can/must only be called in main 3907 # can/must only be called in main
2093 if ($Coro::current != $Coro::main) { 3908 if (in_main) {
2094 warn "can only reload from main coroutine\n"; 3909 error "can only reload from main coroutine";
2095 return; 3910 return;
2096 } 3911 }
2097 3912
3913 return if $RELOAD++;
3914
3915 my $t1 = AE::time;
3916
3917 while ($RELOAD) {
2098 warn "reloading..."; 3918 info "reloading...";
2099 3919
2100 my $guard = freeze_mainloop; 3920 trace "entering sync_job";
3921
3922 cf::sync_job {
2101 cf::emergency_save; 3923 cf::emergency_save;
2102 3924
2103 eval {
2104 # if anything goes wrong in here, we should simply crash as we already saved
2105
2106 # cancel all watchers
2107 for (Event::all_watchers) {
2108 $_->cancel if $_->data & WF_AUTOCANCEL;
2109 }
2110
2111 # cancel all extension coros 3925 trace "cancelling all extension coros";
2112 $_->cancel for values %EXT_CORO; 3926 $_->cancel for values %EXT_CORO;
2113 %EXT_CORO = (); 3927 %EXT_CORO = ();
2114 3928
2115 # unload all extensions 3929 trace "removing commands";
2116 for (@exts) { 3930 %COMMAND = ();
2117 warn "unloading <$_>";
2118 unload_extension $_;
2119 }
2120 3931
2121 # unload all modules loaded from $LIBDIR 3932 trace "removing ext/exti commands";
2122 while (my ($k, $v) = each %INC) { 3933 %EXTCMD = ();
2123 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3934 %EXTICMD = ();
2124 3935
2125 warn "removing <$k>"; 3936 trace "unloading/nuking all extensions";
2126 delete $INC{$k}; 3937 for my $pkg (@EXTS) {
3938 trace "... unloading $pkg";
2127 3939
2128 $k =~ s/\.pm$//;
2129 $k =~ s/\//::/g;
2130
2131 if (my $cb = $k->can ("unload_module")) { 3940 if (my $cb = $pkg->can ("unload")) {
3941 eval {
2132 $cb->(); 3942 $cb->($pkg);
3943 1
3944 } or error "$pkg unloaded, but with errors: $@";
3945 }
3946
3947 trace "... clearing $pkg";
3948 clear_package $pkg;
2133 } 3949 }
2134 3950
2135 Symbol::delete_package $k; 3951 trace "unloading all perl modules loaded from $LIBDIR";
3952 while (my ($k, $v) = each %INC) {
3953 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3954
3955 trace "... unloading $k";
3956 delete $INC{$k};
3957
3958 $k =~ s/\.pm$//;
3959 $k =~ s/\//::/g;
3960
3961 if (my $cb = $k->can ("unload_module")) {
3962 $cb->();
3963 }
3964
3965 clear_package $k;
2136 } 3966 }
2137 3967
2138 # sync database to disk
2139 cf::db_sync;
2140 IO::AIO::flush;
2141
2142 # get rid of safe::, as good as possible 3968 trace "getting rid of safe::, as good as possible";
2143 Symbol::delete_package "safe::$_" 3969 clear_package "safe::$_"
2144 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3970 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145 3971
2146 # remove register_script_function callbacks 3972 trace "unloading cf.pm \"a bit\"";
2147 # TODO
2148
2149 # unload cf.pm "a bit"
2150 delete $INC{"cf.pm"}; 3973 delete $INC{"cf.pm"};
3974 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2151 3975
2152 # don't, removes xs symbols, too, 3976 # don't, removes xs symbols, too,
2153 # and global variables created in xs 3977 # and global variables created in xs
2154 #Symbol::delete_package __PACKAGE__; 3978 #clear_package __PACKAGE__;
2155 3979
2156 # reload cf.pm 3980 info "unload completed, starting to reload now";
3981
2157 warn "reloading cf.pm"; 3982 trace "reloading cf.pm";
2158 require cf; 3983 require cf;
2159 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3984 cf::_connect_to_perl_1;
2160 3985
2161 # load config and database again 3986 trace "loading config and database again";
2162 cf::cfg_load; 3987 cf::reload_config;
2163 cf::db_load;
2164 3988
2165 # load extensions
2166 warn "load extensions"; 3989 trace "loading extensions";
2167 cf::load_extensions; 3990 cf::load_extensions;
2168 3991
2169 # reattach attachments to objects 3992 if ($REATTACH_ON_RELOAD) {
2170 warn "reattach"; 3993 trace "reattaching attachments to objects/players";
2171 _global_reattach; 3994 _global_reattach; # objects, sockets
3995 trace "reattaching attachments to maps";
3996 reattach $_ for values %MAP;
3997 trace "reattaching attachments to players";
3998 reattach $_ for values %PLAYER;
3999 }
4000
4001 trace "running post_init jobs";
4002 (pop @POST_INIT)->(1) while @POST_INIT;
4003
4004 trace "leaving sync_job";
4005
4006 1
4007 } or do {
4008 error $@;
4009 cf::cleanup "error while reloading, exiting.";
4010 };
4011
4012 info "reloaded";
4013 --$RELOAD;
4014 }
4015
4016 $t1 = AE::time - $t1;
4017 info "reload completed in ${t1}s\n";
4018};
4019
4020our $RELOAD_WATCHER; # used only during reload
4021
4022sub reload_perl() {
4023 # doing reload synchronously and two reloads happen back-to-back,
4024 # coro crashes during coro_state_free->destroy here.
4025
4026 $RELOAD_WATCHER ||= cf::async {
4027 Coro::AIO::aio_wait cache_extensions;
4028
4029 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
4030 do_reload_perl;
4031 undef $RELOAD_WATCHER;
4032 };
2172 }; 4033 };
2173
2174 if ($@) {
2175 warn $@;
2176 warn "error while reloading, exiting.";
2177 exit 1;
2178 }
2179
2180 warn "reloaded successfully";
2181};
2182
2183#############################################################################
2184
2185unless ($LINK_MAP) {
2186 $LINK_MAP = cf::map::new;
2187
2188 $LINK_MAP->width (41);
2189 $LINK_MAP->height (41);
2190 $LINK_MAP->alloc;
2191 $LINK_MAP->path ("{link}");
2192 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195 # dirty hack because... archetypes are not yet loaded
2196 Event->timer (
2197 after => 10,
2198 cb => sub {
2199 $_[0]->w->cancel;
2200
2201 # provide some exits "home"
2202 my $exit = cf::object::new "exit";
2203
2204 $exit->slaying ($EMERGENCY_POSITION->[0]);
2205 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208 $LINK_MAP->insert ($exit->clone, 19, 19);
2209 $LINK_MAP->insert ($exit->clone, 19, 20);
2210 $LINK_MAP->insert ($exit->clone, 19, 21);
2211 $LINK_MAP->insert ($exit->clone, 20, 19);
2212 $LINK_MAP->insert ($exit->clone, 20, 21);
2213 $LINK_MAP->insert ($exit->clone, 21, 19);
2214 $LINK_MAP->insert ($exit->clone, 21, 20);
2215 $LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217 $exit->destroy;
2218 });
2219
2220 $LINK_MAP->{deny_save} = 1;
2221 $LINK_MAP->{deny_reset} = 1;
2222
2223 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224} 4034}
2225
2226register "<global>", __PACKAGE__;
2227 4035
2228register_command "reload" => sub { 4036register_command "reload" => sub {
2229 my ($who, $arg) = @_; 4037 my ($who, $arg) = @_;
2230 4038
2231 if ($who->flag (FLAG_WIZ)) { 4039 if ($who->flag (FLAG_WIZ)) {
2232 $who->message ("start of reload.");
2233 reload;
2234 $who->message ("end of reload."); 4040 $who->message ("reloading server.");
4041 async {
4042 $Coro::current->{desc} = "perl_reload";
4043 reload_perl;
4044 };
2235 } 4045 }
2236}; 4046};
2237 4047
2238unshift @INC, $LIBDIR; 4048#############################################################################
2239 4049
2240$TICK_WATCHER = Event->timer ( 4050my $bug_warning = 0;
2241 reentrant => 0, 4051
2242 prio => 0, 4052our @WAIT_FOR_TICK;
2243 at => $NEXT_TICK || $TICK, 4053our @WAIT_FOR_TICK_BEGIN;
2244 data => WF_AUTOCANCEL, 4054
2245 cb => sub { 4055sub wait_for_tick {
4056 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4057
4058 my $signal = new Coro::Signal;
4059 push @WAIT_FOR_TICK, $signal;
4060 $signal->wait;
4061}
4062
4063sub wait_for_tick_begin {
4064 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4065
4066 my $signal = new Coro::Signal;
4067 push @WAIT_FOR_TICK_BEGIN, $signal;
4068 $signal->wait;
4069}
4070
4071sub tick {
4072 if ($Coro::current != $Coro::main) {
4073 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
4074 unless ++$bug_warning > 10;
4075 return;
4076 }
4077
2246 cf::server_tick; # one server iteration 4078 cf::server_tick; # one server iteration
2247 $RUNTIME += $TICK;
2248 $NEXT_TICK += $TICK;
2249 4079
2250 # if we are delayed by four ticks or more, skip them all 4080 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2251 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252 4081
2253 $TICK_WATCHER->at ($NEXT_TICK); 4082 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2254 $TICK_WATCHER->start; 4083 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2255 }, 4084 Coro::async_pool {
2256); 4085 $Coro::current->{desc} = "runtime saver";
2257
2258IO::AIO::max_poll_time $TICK * 0.2;
2259
2260Event->io (
2261 fd => IO::AIO::poll_fileno,
2262 poll => 'r',
2263 prio => 5,
2264 data => WF_AUTOCANCEL,
2265 cb => \&IO::AIO::poll_cb,
2266);
2267
2268Event->timer (
2269 data => WF_AUTOCANCEL,
2270 after => 0,
2271 interval => 10,
2272 cb => sub {
2273 (Coro::unblock_sub {
2274 write_runtime 4086 write_runtime_sync
2275 or warn "ERROR: unable to write runtime file: $!"; 4087 or error "ERROR: unable to write runtime file: $!";
2276 })->(); 4088 };
2277 }, 4089 }
2278); 4090
4091 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4092 $sig->send;
4093 }
4094 while (my $sig = shift @WAIT_FOR_TICK) {
4095 $sig->send;
4096 }
4097
4098 $LOAD = ($NOW - $TICK_START) / $TICK;
4099 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4100
4101 if (0) {
4102 if ($NEXT_TICK) {
4103 my $jitter = $TICK_START - $NEXT_TICK;
4104 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4105 debug "jitter $JITTER\n";#d#
4106 }
4107 }
4108}
4109
4110{
4111 # configure BDB
4112
4113 BDB::min_parallel 16;
4114 BDB::max_poll_reqs $TICK * 0.1;
4115 $AnyEvent::BDB::WATCHER->priority (1);
4116
4117 unless ($DB_ENV) {
4118 $DB_ENV = BDB::db_env_create;
4119 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4120 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4121 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4122 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4123 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4124
4125 cf::sync_job {
4126 eval {
4127 BDB::db_env_open
4128 $DB_ENV,
4129 $BDBDIR,
4130 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4131 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4132 0666;
4133
4134 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4135 };
4136
4137 cf::cleanup "db_env_open(db): $@" if $@;
4138 };
4139 }
4140
4141 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4142 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4143 };
4144 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4145 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4146 };
4147 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4148 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4149 };
4150}
4151
4152{
4153 # configure IO::AIO
4154
4155 IO::AIO::min_parallel 8;
4156 IO::AIO::max_poll_time $TICK * 0.1;
4157 undef $AnyEvent::AIO::WATCHER;
4158}
4159
4160my $_log_backtrace;
4161
4162sub _log_backtrace {
4163 my ($msg, @addr) = @_;
4164
4165 $msg =~ s/\n//;
4166
4167 # limit the # of concurrent backtraces
4168 if ($_log_backtrace < 2) {
4169 ++$_log_backtrace;
4170 my $perl_bt = Carp::longmess $msg;
4171 async {
4172 $Coro::current->{desc} = "abt $msg";
4173
4174 my @bt = fork_call {
4175 @addr = map { sprintf "%x", $_ } @addr;
4176 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4177 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4178 or die "addr2line: $!";
4179
4180 my @funcs;
4181 my @res = <$fh>;
4182 chomp for @res;
4183 while (@res) {
4184 my ($func, $line) = splice @res, 0, 2, ();
4185 push @funcs, "[$func] $line";
4186 }
4187
4188 @funcs
4189 };
4190
4191 LOG llevInfo, "[ABT] $perl_bt\n";
4192 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4193 LOG llevInfo, "[ABT] $_\n" for @bt;
4194 --$_log_backtrace;
4195 };
4196 } else {
4197 LOG llevInfo, "[ABT] $msg\n";
4198 LOG llevInfo, "[ABT] [suppressed]\n";
4199 }
4200}
4201
4202# load additional modules
4203require "cf/$_.pm" for @EXTRA_MODULES;
4204cf::_connect_to_perl_2;
2279 4205
2280END { cf::emergency_save } 4206END { cf::emergency_save }
2281 4207
22821 42081
2283 4209

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