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Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 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 Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 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;
71 118
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 121our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
79 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript);
82 130
83our %CFG; 131our %CFG;
84 132
85our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 134our $RUNTIME;
135our $NOW;
87 136
88our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
91 140
92# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 143
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 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 $REALLY_UNLOOP; # never set to true, please :)
98 153
99binmode STDOUT; 154binmode STDOUT;
100binmode STDERR; 155binmode STDERR;
101 156
102# read virtual server time, if available 157# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
107} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
108 165
109mkdir $_ 166mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 168
112our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
113 170
114sub cf::map::normalise; 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::"} };
115 187
116############################################################################# 188#############################################################################
117 189
118=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
119 191
… …
155 227
156The raw value load value from the last tick. 228The raw value load value from the last tick.
157 229
158=item %cf::CFG 230=item %cf::CFG
159 231
160Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 233from wherever your confdir points to.
162 234
163=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
164 236
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 240
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
169=back 253=back
170 254
171=cut 255=cut
172 256
173BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
174 *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 {
175 my $msg = join "", @_; 264 my $msg = join "", @_;
176 265
177 $msg .= "\n" 266 $msg .= "\n"
178 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
179 268
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 269 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 270
182 utf8::encode $msg;
183 LOG llevError, $msg; 271 LOG llevWarn, $msg;
184 }; 272};
185} 273
274$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};
186 287
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@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';
192@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)
193 295
194# 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
195# within the Safe compartment. 297# within the Safe compartment.
196for my $pkg (qw( 298for my $pkg (qw(
197 cf::global cf::attachable 299 cf::global cf::attachable
198 cf::object cf::object::player 300 cf::object cf::object::player
199 cf::client cf::player 301 cf::client cf::player
200 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
201 cf::map cf::party cf::region 304 cf::party cf::region
202)) { 305)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 307}
206 308
207$Event::DIED = sub { 309$EV::DIED = sub {
208 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
209}; 311};
312
313#############################################################################
210 314
211=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
212 316
213=over 4 317=over 4
214 318
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 337 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 338 $d
235 } || "[unable to dump $_[0]: '$@']"; 339 } || "[unable to dump $_[0]: '$@']";
236} 340}
237 341
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
241 343
242Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
243 345
244=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
245 347
246Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
247 349
350=cut
351
352our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
353
354sub encode_json($) { $json_coder->encode ($_[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;
369}
370
248=item cf::lock_wait $string 371=item cf::lock_wait $string
249 372
250Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
251 374
252=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
253 376
254Wait 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
255a 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,
256for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
257returned. 380returned.
258 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
259Lock 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
260uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
261 387
262=item $locked = cf::lock_active $string 388=item $locked = cf::lock_active $string
263 389
264Return true if the lock is currently active, i.e. somebody has locked it. 390Return true if the lock is currently active, i.e. somebody has locked it.
265 391
266=cut 392=cut
267 393
268our %LOCK; 394our $LOCKS = new Coro::SemaphoreSet;
269 395
270sub lock_wait($) { 396sub lock_wait($) {
271 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 398}
279 399
280sub lock_acquire($) { 400sub lock_acquire($) {
281 my ($key) = @_; 401 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 402}
293 403
294sub lock_active($) { 404sub lock_active($) {
295 my ($key) = @_; 405 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 406}
299 407
300sub freeze_mainloop { 408sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
302 410
303 my $guard = Coro::guard { 411 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 412}
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($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
427}
428
429=item cf::get_slot $time[, $priority[, $name]]
430
431Allocate $time seconds of blocking CPU time at priority C<$priority>:
432This call blocks and returns only when you have at least C<$time> seconds
433of cpu time till the next tick. The slot is only valid till the next cede.
434
435The optional C<$name> can be used to identify the job to run. It might be
436used for statistical purposes and should identify the same time-class.
437
438Useful for short background jobs.
439
440=cut
441
442our @SLOT_QUEUE;
443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
445
446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
450 my $signal = new Coro::Signal;
451 my $busy;
452
453 while () {
454 next_job:
455
456 my $avail = cf::till_tick;
457
458 for (0 .. $#SLOT_QUEUE) {
459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
461 my $job = splice @SLOT_QUEUE, $_, 1, ();
462 $job->[2]->send;
463 Coro::cede;
464 goto next_job;
465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
467 }
468 }
469
470 if (@SLOT_QUEUE) {
471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
472 push @cf::WAIT_FOR_TICK, $signal;
473 $signal->wait;
474 } else {
475 $busy = 0;
476 Coro::schedule;
477 }
305 }; 478 }
306 $TICK_WATCHER->stop; 479};
307 $guard 480
481sub get_slot($;$$) {
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 $sig->wait;
308} 494}
309 495
310=item cf::async { BLOCK } 496=item cf::async { BLOCK }
311 497
312Currently the same as Coro::async_pool, meaning you cannot use 498Currently the same as Coro::async_pool, meaning you cannot use
… …
317 503
318BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
319 505
320=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
321 507
322The design of crossfire+ requires that the main coro ($Coro::main) is 508The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 509is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
511acceptable.
325 512
326If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 515server will be frozen during this time, so the block should either finish
329fast or be very important. 516fast or be very important.
… …
331=cut 518=cut
332 519
333sub sync_job(&) { 520sub sync_job(&) {
334 my ($job) = @_; 521 my ($job) = @_;
335 522
336 if ($Coro::current == $Coro::main) { 523 if (in_main) {
337 my $time = Event::time; 524 my $time = AE::time;
338 525
339 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
341 528
342 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 530
344 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
345 532
346 my $busy = 1; 533 my $busy = 1;
347 my @res; 534 my @res;
348 535
349 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 538 @res = eval { $job->() };
351 warn $@ if $@; 539 error $@ if $@;
352 undef $busy; 540 undef $busy;
353 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
354 542
355 while ($busy) { 543 while ($busy) {
356 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
357 } 548 }
549 }
358 550
359 $time = Event::time - $time; 551 my $time = AE::time - $time;
360 552
361 LOG llevError | logBacktrace, "long sync job\n"
362 if $time > $TICK * 0.5;
363
364 $tick_start += $time; # do not account sync jobs to server load 553 $TICK_START += $time; # do not account sync jobs to server load
365 554
366 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
367 } else { 556 } else {
368 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
369 558
… …
389 $EXT_CORO{$coro+0} = $coro; 578 $EXT_CORO{$coro+0} = $coro;
390 579
391 $coro 580 $coro
392} 581}
393 582
394sub write_runtime { 583=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 584
397 # first touch the runtime file to show we are still running: 585Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 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.
399 589
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 590=cut
401 utime undef, undef, $fh; 591
592sub fork_call(&@) {
593 my ($cb, @args) = @_;
594
595 # we seemingly have to make a local copy of the whole thing,
596 # otherwise perl prematurely frees the stuff :/
597 # TODO: investigate and fix (likely this will be rather laborious)
598
599 my @res = Coro::Util::fork_eval {
600 reset_signals;
601 &$cb
602 }, @args;
603
604 wantarray ? @res : $res[-1]
605}
606
607sub objinfo {
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 $!;
402 } 675 };
676 cf::cleanup "db_open(db): $@" if $@;
403 677
404 my $guard = cf::lock_acquire "write_runtime"; 678 $db
679}
405 680
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 681our $DB;
407 or return;
408 682
409 my $value = $cf::RUNTIME + 90 + 10; 683sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 684 $DB ||= db_table "db";
411 # 60 allows for the watchdog to kill the server. 685}
412 686
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 687sub db_get($$) {
414 and return; 688 my $key = "$_[0]/$_[1]";
415 689
416 # always fsync - this file is important 690 cf::error "db_get called from main context"
417 aio_fsync $fh 691 if $Coro::current == $Coro::main;
418 and return;
419 692
420 # touch it again to show we are up-to-date 693 BDB::db_get $DB, undef, $key, my $data;
421 utime undef, undef, $fh;
422 694
423 close $fh 695 $! ? ()
424 or return; 696 : $data
697}
425 698
426 aio_rename "$runtime~", $runtime 699sub db_put($$$) {
427 and return; 700 BDB::dbreq_pri 4;
701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
702}
428 703
429 warn "runtime file written.\n";#d# 704=item cf::cache $id => [$paths...], $processversion => $process
430 705
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 $data;
431 1 769 }
770
771 db_get cache => "$id/data"
432} 772}
433 773
434=item cf::datalog type => key => value, ... 774=item cf::datalog type => key => value, ...
435 775
436Log a datalog packet of the given type with the given key-value pairs. 776Log a datalog packet of the given type with the given key-value pairs.
437 777
438=cut 778=cut
439 779
440sub datalog($@) { 780sub datalog($@) {
441 my ($type, %kv) = @_; 781 my ($type, %kv) = @_;
442 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443} 783}
444 784
445=back 785=back
446 786
447=cut 787=cut
448 788
449############################################################################# 789#############################################################################
450 790
451=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
452 792
453Many 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
454attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
456 796
457In 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>
458C<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
459crossfire+). 799Deliantra).
460 800
461=over 4 801=over 4
462 802
463=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
464 804
… …
508=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
509 849
510Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
512 852
513Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
514that 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.
515 855
516These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
517 857
518=over 4 858=over 4
… …
627 $registry = $CB_TYPE[$object_type] ||= []; 967 $registry = $CB_TYPE[$object_type] ||= [];
628 968
629 } elsif ($type eq "subtype") { 969 } elsif ($type eq "subtype") {
630 defined $object_type or Carp::croak "subtype specified without type"; 970 defined $object_type or Carp::croak "subtype specified without type";
631 my $object_subtype = shift @arg; 971 my $object_subtype = shift @arg;
632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 972 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633 973
634 } elsif ($type eq "package") { 974 } elsif ($type eq "package") {
635 my $pkg = shift @arg; 975 my $pkg = shift @arg;
636 976
637 while (my ($name, $id) = each %cb_id) { 977 while (my ($name, $id) = each %cb_id) {
… …
642 982
643 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
644 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645 985
646 } elsif (ref $type) { 986 } elsif (ref $type) {
647 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
648 988
649 } else { 989 } else {
650 shift @arg; 990 shift @arg;
651 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
652 } 992 }
653 } 993 }
654} 994}
655 995
656sub _object_attach { 996sub _object_attach {
… …
666 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
667 } 1007 }
668 1008
669 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
670 } else { 1010 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
672 } 1012 }
673 1013
674 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
675} 1015}
676 1016
… …
678 if (ref $_[0]) { 1018 if (ref $_[0]) {
679 _object_attach @_; 1019 _object_attach @_;
680 } else { 1020 } else {
681 _attach shift->_attach_registry, @_; 1021 _attach shift->_attach_registry, @_;
682 } 1022 }
1023 _recalc_want;
683}; 1024};
684 1025
685# all those should be optimised 1026# all those should be optimised
686sub cf::attachable::detach { 1027sub cf::attachable::detach {
687 my ($obj, $name) = @_; 1028 my ($obj, $name) = @_;
… …
690 delete $obj->{_attachment}{$name}; 1031 delete $obj->{_attachment}{$name};
691 reattach ($obj); 1032 reattach ($obj);
692 } else { 1033 } else {
693 Carp::croak "cannot, currently, detach class attachments"; 1034 Carp::croak "cannot, currently, detach class attachments";
694 } 1035 }
1036 _recalc_want;
695}; 1037};
696 1038
697sub cf::attachable::attached { 1039sub cf::attachable::attached {
698 my ($obj, $name) = @_; 1040 my ($obj, $name) = @_;
699 1041
… …
714 "; 1056 ";
715 die if $@; 1057 die if $@;
716} 1058}
717 1059
718our $override; 1060our $override;
719our @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?
720 1062
721sub override { 1063sub override {
722 $override = 1; 1064 $override = 1;
723 @invoke_results = (); 1065 @INVOKE_RESULTS = (@_);
724} 1066}
725 1067
726sub do_invoke { 1068sub do_invoke {
727 my $event = shift; 1069 my $event = shift;
728 my $callbacks = shift; 1070 my $callbacks = shift;
729 1071
730 @invoke_results = (); 1072 @INVOKE_RESULTS = ();
731 1073
732 local $override; 1074 local $override;
733 1075
734 for (@$callbacks) { 1076 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
736 1078
737 if ($@) { 1079 if ($@) {
738 warn "$@";
739 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740 override; 1081 override;
741 } 1082 }
742 1083
743 return 1 if $override; 1084 return 1 if $override;
744 } 1085 }
745 1086
746 0 1087 0
747} 1088}
748 1089
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1091
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1093
753Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
754 1095
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 1098results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1099
759=back 1100=back
760 1101
761=cut 1102=cut
762 1103
763############################################################################# 1104#############################################################################
764# 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, $ob2
1147}
765 1148
766sub reattach { 1149sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1151 my ($obj) = @_;
769 1152
1153 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1154 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1155
772 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
773 1157
774 @$registry = (); 1158 @$registry = ();
775 1159
… …
780 for (@$attach) { 1164 for (@$attach) {
781 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
782 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
783 } 1167 }
784 } else { 1168 } else {
785 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
786 } 1170 }
787 } 1171 }
788} 1172}
789 1173
790cf::attachable->attach ( 1174cf::attachable->attach (
791 prio => -1000000, 1175 prio => -1000000,
792 on_instantiate => sub { 1176 on_instantiate => sub {
793 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
794 1178
795 $data = from_json $data; 1179 $data = decode_json $data;
796 1180
797 for (@$data) { 1181 for (@$data) {
798 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
799 1183
800 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1200sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
818 1202
819 sync_job { 1203 sync_job {
820 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
823 1209
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1213 if ($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;
1215 aio_fsync $fh;
1216 }
828 close $fh; 1217 aio_close $fh;
829 1218
830 if (@$objs) { 1219 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1224 if ($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;
1226 aio_fsync $fh;
1227 }
836 close $fh; 1228 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
838 } 1230 }
839 } else { 1231 } else {
840 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
841 } 1233 }
842 1234
843 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1239 } else {
845 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
846 } 1241 }
847 } else { 1242 } else {
848 aio_unlink $filename; 1243 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
850 } 1245 }
851 } 1246 };
852} 1247}
853 1248
854sub object_freezer_as_string { 1249sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
856 1251
… …
868 or return; 1263 or return;
869 1264
870 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
872 or return; 1267 or return;
1268
873 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
874 } 1271 }
875 1272
1273 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
878 return ($data, $av); 1278 ($data, $av)
879} 1279}
1280
1281=head2 COMMAND CALLBACKS
1282
1283=over 4
1284
1285=cut
880 1286
881############################################################################# 1287#############################################################################
882# command handling &c 1288# command handling &c
883 1289
884=item cf::register_command $name => \&callback($ob,$args); 1290=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1303 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1304}
899 1305
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1306=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1307
902Register 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.
903 1313
904If 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
905called. 1315called.
906 1316
1317=item cf::register_exticmd $name => \&callback($ns,$packet);
1318
1319Register a callback for execution when the client sends an (asynchronous)
1320exticmd packet. Exti commands are processed by the server as soon as they
1321are received, i.e. out of order w.r.t. other commands. The first argument
1322is a client socket. Exti commands can be received anytime, even before
1323log-in.
1324
1325If the callback returns something, it is sent back as if reply was being
1326called.
1327
907=cut 1328=cut
908 1329
909sub register_extcmd { 1330sub register_extcmd {
910 my ($name, $cb) = @_; 1331 my ($name, $cb) = @_;
911 1332
912 $EXTCMD{$name} = $cb; 1333 $EXTCMD{$name} = $cb;
913} 1334}
914 1335
1336sub register_exticmd {
1337 my ($name, $cb) = @_;
1338
1339 $EXTICMD{$name} = $cb;
1340}
1341
1342use File::Glob ();
1343
915cf::player->attach ( 1344cf::player->attach (
916 on_command => sub { 1345 on_unknown_command => sub {
917 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
918 1347
919 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
920 or return; 1349 or return;
921 1350
… …
926 cf::override; 1355 cf::override;
927 }, 1356 },
928 on_extcmd => sub { 1357 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1358 my ($pl, $buf) = @_;
930 1359
931 my $msg = eval { from_json $buf }; 1360 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1361
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1370 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1371 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
939 } else { 1377 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1379 }
942 1380
943 cf::override; 1381 cf::override;
944 }, 1382 },
945); 1383);
946 1384
1385# "readahead" all extensions
947sub load_extension { 1386sub cache_extensions {
948 my ($path) = @_; 1387 my $grp = IO::AIO::aio_group;
949 1388
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1390 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1392 }
975 die $@;
976 } 1393 };
977 1394
978 push @EXTS, $pkg; 1395 $grp
979} 1396}
980 1397
981sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1401 cf::sync_job {
1402 my %todo;
1403
982 for my $ext (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1405 next unless -r $path;
984 eval { 1406
985 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 $active;
1470 }
986 1 1471 }
987 } or warn "$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 }
988 } 1482 };
989} 1483}
990 1484
991############################################################################# 1485#############################################################################
992 1486
1487=back
1488
993=head2 CORE EXTENSIONS 1489=head2 CORE EXTENSIONS
994 1490
995Functions and methods that extend core crossfire objects. 1491Functions and methods that extend core deliantra objects.
996 1492
997=cut 1493=cut
998 1494
999package cf::player; 1495package cf::player;
1000 1496
1001use Coro::AIO; 1497use Coro::AIO;
1002 1498
1003=head3 cf::player 1499=head3 cf::player
1004 1500
1005=over 4 1501=over 4
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}
1006 1516
1007=item cf::player::find $login 1517=item cf::player::find $login
1008 1518
1009Returns the given player object, loading it if necessary (might block). 1519Returns the given player object, loading it if necessary (might block).
1010 1520
… …
1029 1539
1030sub exists($) { 1540sub exists($) {
1031 my ($login) = @_; 1541 my ($login) = @_;
1032 1542
1033 $cf::PLAYER{$login} 1543 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1544 or !aio_stat path $login
1035} 1545}
1036 1546
1037sub find($) { 1547sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1548 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1549 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1556 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1557 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1558 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1559 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1560
1051 my $pl = load_pl path $login 1561 my $f = new_from_file cf::object::thawer path $login
1052 or return; 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;
1053 $cf::PLAYER{$login} = $pl 1569 $cf::PLAYER{$login} = $pl
1054 } 1570 }
1055 } 1571 }
1056} 1572}
1573
1574cf::player->attach (
1575 on_load => sub {
1576 my ($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);
1057 1586
1058sub save($) { 1587sub save($) {
1059 my ($pl) = @_; 1588 my ($pl) = @_;
1060 1589
1061 return if $pl->{deny_save}; 1590 return if $pl->{deny_save};
… …
1066 return if $pl->{deny_save}; 1595 return if $pl->{deny_save};
1067 1596
1068 aio_mkdir playerdir $pl, 0770; 1597 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1598 $pl->{last_save} = $cf::RUNTIME;
1070 1599
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
1071 $pl->save_pl ($path); 1605 $pl->save_pl ($path);
1072 Coro::cede; 1606 cf::cede_to_tick;
1073} 1607}
1074 1608
1075sub new($) { 1609sub new($) {
1076 my ($login) = @_; 1610 my ($login) = @_;
1077 1611
… …
1083 $cf::PLAYER{$login} = $self; 1617 $cf::PLAYER{$login} = $self;
1084 1618
1085 $self 1619 $self
1086} 1620}
1087 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
1088=item $pl->quit_character 1632=item $pl->quit_character
1089 1633
1090Nukes the player without looking back. If logged in, the connection will 1634Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1635be destroyed. May block for a long time.
1092 1636
… …
1096 my ($pl) = @_; 1640 my ($pl) = @_;
1097 1641
1098 my $name = $pl->ob->name; 1642 my $name = $pl->ob->name;
1099 1643
1100 $pl->{deny_save} = 1; 1644 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1645 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1646
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1647 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1648 $pl->deactivate;
1649 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1650 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1651 $pl->ns->destroy if $pl->ns;
1107 1652
1108 my $path = playerdir $pl; 1653 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1654 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1690 or return [];
1146 1691
1147 my @logins; 1692 my @logins;
1148 1693
1149 for my $login (@$dirs) { 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1700 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1701 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1702 $buf !~ /^password -------------$/m or next; # official not-valid tag
1703 }
1153 1704
1154 utf8::decode $login; 1705 utf8::decode $login;
1155 push @logins, $login; 1706 push @logins, $login;
1156 } 1707 }
1157 1708
1158 \@logins 1709 \@logins
1159} 1710}
1160 1711
1161=item $player->maps 1712=item $player->maps
1713
1714=item cf::player::maps $login
1162 1715
1163Returns an arrayref of map paths that are private for this 1716Returns an arrayref of map paths that are private for this
1164player. May block. 1717player. May block.
1165 1718
1166=cut 1719=cut
… …
1184 } 1737 }
1185 1738
1186 \@paths 1739 \@paths
1187} 1740}
1188 1741
1742=item $protocol_xml = $player->expand_cfpod ($cfpod)
1743
1744Expand deliantra pod fragments into protocol xml.
1745
1189=item $player->ext_reply ($msgid, %msg) 1746=item $player->ext_reply ($msgid, @msg)
1190 1747
1191Sends an ext reply to the player. 1748Sends an ext reply to the player.
1192 1749
1193=cut 1750=cut
1194 1751
1195sub ext_reply($$%) { 1752sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1753 my ($self, $id, @msg) = @_;
1197 1754
1198 $msg{msgid} = $id; 1755 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1756}
1202 1757
1203=item $player->ext_event ($type, %msg) 1758=item $player->ext_msg ($type, @msg)
1204 1759
1205Sends an ext event to the client. 1760Sends an ext event to the client.
1206 1761
1207=cut 1762=cut
1208 1763
1209sub ext_event($$%) { 1764sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1765 my ($self, $type, @msg) = @_;
1211 1766
1212 $self->ns->ext_event ($type, %msg); 1767 $self->ns->ext_msg ($type, @msg);
1213} 1768}
1214 1769
1215=head3 cf::region 1770=head3 cf::region
1216 1771
1217=over 4 1772=over 4
… …
1220 1775
1221package cf::region; 1776package cf::region;
1222 1777
1223=item cf::region::find_by_path $path 1778=item cf::region::find_by_path $path
1224 1779
1225Tries to decuce the probable region for a map knowing only its path. 1780Tries to decuce the likely region for a map knowing only its path.
1226 1781
1227=cut 1782=cut
1228 1783
1229sub find_by_path($) { 1784sub find_by_path($) {
1230 my ($path) = @_; 1785 my ($path) = @_;
1231 1786
1787 $path =~ s/^~[^\/]*//; # skip ~login
1788
1232 my ($match, $specificity); 1789 my ($match, $specificity);
1233 1790
1234 for my $region (list) { 1791 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1792 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1793 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1794 if $region->specificity > $specificity;
1238 } 1795 }
1239 } 1796 }
1240 1797
… …
1261our $MAX_RESET = 3600; 1818our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1819our $DEFAULT_RESET = 3000;
1263 1820
1264sub generate_random_map { 1821sub generate_random_map {
1265 my ($self, $rmp) = @_; 1822 my ($self, $rmp) = @_;
1823
1824 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1825
1266 # mit "rum" bekleckern, nicht 1826 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1827 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1828 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1829 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1830 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271 $rmp->{exit_on_final_map}, 1831 $rmp->{exit_on_final_map},
1272 $rmp->{xsize}, $rmp->{ysize}, 1832 $rmp->{xsize}, $rmp->{ysize},
1273 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1833 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1834 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1289 1849
1290sub register { 1850sub register {
1291 my (undef, $regex, $prio) = @_; 1851 my (undef, $regex, $prio) = @_;
1292 my $pkg = caller; 1852 my $pkg = caller;
1293 1853
1294 no strict;
1295 push @{"$pkg\::ISA"}, __PACKAGE__; 1854 push @{"$pkg\::ISA"}, __PACKAGE__;
1296 1855
1297 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1856 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298} 1857}
1299 1858
1300# also paths starting with '/' 1859# also paths starting with '/'
1301$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1860$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302 1861
1303sub thawer_merge { 1862sub thawer_merge {
1304 my ($self, $merge) = @_; 1863 my ($self, $merge) = @_;
1305 1864
1306 # we have to keep some variables in memory intact 1865 # we have to keep some variables in memory intact
1307 local $self->{path}; 1866 local $self->{path};
1308 local $self->{load_path}; 1867 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1868
1312 $self->SUPER::thawer_merge ($merge); 1869 $self->SUPER::thawer_merge ($merge);
1313} 1870}
1314 1871
1315sub normalise { 1872sub normalise {
… …
1362 $self->init; # pass $1 etc. 1919 $self->init; # pass $1 etc.
1363 return $self; 1920 return $self;
1364 } 1921 }
1365 } 1922 }
1366 1923
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1924 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1925 ()
1369} 1926}
1370 1927
1371sub init { 1928sub init {
1372 my ($self) = @_; 1929 my ($self) = @_;
… …
1394 1951
1395# the temporary/swap location 1952# the temporary/swap location
1396sub save_path { 1953sub save_path {
1397 my ($self) = @_; 1954 my ($self) = @_;
1398 1955
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1957 "$TMPDIR/$path.map"
1401} 1958}
1402 1959
1403# the unique path, undef == no special unique path 1960# the unique path, undef == no special unique path
1404sub uniq_path { 1961sub uniq_path {
1405 my ($self) = @_; 1962 my ($self) = @_;
1406 1963
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1964 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1965 "$UNIQUEDIR/$path"
1409} 1966}
1410 1967
1411# and all this just because we cannot iterate over 1968sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1969 my ($self) = @_;
1415 1970
1416 $_->change_map_light ($change) 1971 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1972
1973 $self->do_decay_objects;
1418} 1974}
1419 1975
1420sub unlink_save { 1976sub unlink_save {
1421 my ($self) = @_; 1977 my ($self) = @_;
1422 1978
… …
1427 1983
1428sub load_header_from($) { 1984sub load_header_from($) {
1429 my ($self, $path) = @_; 1985 my ($self, $path) = @_;
1430 1986
1431 utf8::encode $path; 1987 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1988 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1989 or return;
1990
1991 $self->_load_header ($f)
1992 or return;
1993
1994 local $MAP_LOADING{$self->{path}} = $self;
1995 $f->resolve_delayed_derefs;
1437 1996
1438 $self->{load_path} = $path; 1997 $self->{load_path} = $path;
1439 1998
1440 1 1999 1
1441} 2000}
… …
1480 $self->load_header_orig 2039 $self->load_header_orig
1481 or return; 2040 or return;
1482 $self->prepare_orig; 2041 $self->prepare_orig;
1483 } 2042 }
1484 2043
2044 $self->{deny_reset} = 1
2045 if $self->no_reset;
2046
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2047 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2048 unless $self->default_region;
1487 2049
1488 1 2050 1
1489} 2051}
… …
1492sub find { 2054sub find {
1493 my ($path, $origin) = @_; 2055 my ($path, $origin) = @_;
1494 2056
1495 $path = normalise $path, $origin && $origin->path; 2057 $path = normalise $path, $origin && $origin->path;
1496 2058
2059 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2060 my $guard2 = cf::lock_acquire "map_find:$path";
1498 2061
1499 $cf::MAP{$path} || do { 2062 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 2063 my $map = new_from_path cf::map $path
1502 or return; 2064 or return;
1503 2065
1504 $map->{last_save} = $cf::RUNTIME; 2066 $map->{last_save} = $cf::RUNTIME;
1505 2067
1506 $map->load_header 2068 $map->load_header
1507 or return; 2069 or return;
1508 2070
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2071 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2072 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2073 #$cf::WAIT_FOR_TICK->wait;
2074 undef $guard2;
2075 undef $guard1;
1512 $map->reset; 2076 $map->reset;
1513 undef $guard;
1514 return find $path; 2077 return find $path;
1515 } 2078 }
1516 2079
1517 $cf::MAP{$path} = $map 2080 $cf::MAP{$path} = $map
1518 } 2081 }
1519} 2082}
1520 2083
1521sub pre_load { } 2084sub pre_load { }
1522sub post_load { } 2085#sub post_load { } # XS
1523 2086
1524sub load { 2087sub load {
1525 my ($self) = @_; 2088 my ($self) = @_;
1526 2089
1527 local $self->{deny_reset} = 1; # loading can take a long time 2090 local $self->{deny_reset} = 1; # loading can take a long time
1528 2091
1529 my $path = $self->{path}; 2092 my $path = $self->{path};
1530 2093
1531 { 2094 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2095 my $guard = cf::lock_acquire "map_data:$path";
1533 2096
2097 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2098 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2099
1536 $self->in_memory (cf::MAP_LOADING); 2100 $self->in_memory (cf::MAP_LOADING);
1537 2101
1538 $self->alloc; 2102 $self->alloc;
1539 2103
1540 $self->pre_load; 2104 $self->pre_load;
1541 Coro::cede; 2105 cf::cede_to_tick;
1542 2106
2107 my $f = new_from_file cf::object::thawer $self->{load_path};
2108 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2109 $self->_load_objects ($f)
1544 or return; 2110 or return;
1545 2111
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2112 $self->post_load_original
1547 if delete $self->{load_original}; 2113 if delete $self->{load_original};
1548 2114
1549 if (my $uniq = $self->uniq_path) { 2115 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2116 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2117 unless (aio_stat $uniq) {
2118 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2119 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2120 $self->_load_objects ($f);
2121 $f->resolve_delayed_derefs;
2122 }
1554 } 2123 }
1555 } 2124 }
1556 2125
1557 Coro::cede; 2126 $f->resolve_delayed_derefs;
2127
2128 cf::cede_to_tick;
1558 # now do the right thing for maps 2129 # now do the right thing for maps
1559 $self->link_multipart_objects; 2130 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2131 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2132 unless $self->difficulty;
1562 Coro::cede; 2133 cf::cede_to_tick;
1563 2134
1564 unless ($self->{deny_activate}) { 2135 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2136 $self->decay_objects;
1566 $self->fix_auto_apply; 2137 $self->fix_auto_apply;
1567 $self->update_buttons; 2138 $self->update_buttons;
1568 Coro::cede; 2139 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2140 $self->activate;
1572 } 2141 }
1573 2142
2143 $self->{last_save} = $cf::RUNTIME;
2144 $self->last_access ($cf::RUNTIME);
2145
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2146 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2147 }
1576 2148
1577 $self->post_load; 2149 $self->post_load;
1578} 2150}
1579 2151
2152# customize the map for a given player, i.e.
2153# return the _real_ map. used by e.g. per-player
2154# maps to change the path to ~playername/mappath
1580sub customise_for { 2155sub customise_for {
1581 my ($self, $ob) = @_; 2156 my ($self, $ob) = @_;
1582 2157
1583 return find "~" . $ob->name . "/" . $self->{path} 2158 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2159 if $self->per_player;
1585 2160
2161# return find "?party/" . $ob->name . "/" . $self->{path}
2162# if $self->per_party;
2163
1586 $self 2164 $self
1587} 2165}
1588 2166
1589# find and load all maps in the 3x3 area around a map 2167# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2168sub load_neighbours {
1591 my ($map) = @_; 2169 my ($map) = @_;
1592 2170
1593 my @diag; # diagonal neighbours 2171 my @neigh; # diagonal neighbours
1594 2172
1595 for (0 .. 3) { 2173 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2174 my $neigh = $map->tile_path ($_)
1597 or next; 2175 or next;
1598 $neigh = find $neigh, $map 2176 $neigh = find $neigh, $map
1599 or next; 2177 or next;
1600 $neigh->load; 2178 $neigh->load;
1601 2179
2180 # now find the diagonal neighbours
2181 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2182 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2183 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2184 }
1605 2185
1606 for (@diag) { 2186 for (grep defined $_->[0], @neigh) {
2187 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2188 my $neigh = find $path, $origin
1608 or next; 2189 or next;
1609 $neigh->load; 2190 $neigh->load;
1610 } 2191 }
1611} 2192}
1612 2193
1613sub find_sync { 2194sub find_sync {
1614 my ($path, $origin) = @_; 2195 my ($path, $origin) = @_;
1615 2196
1616 cf::sync_job { find $path, $origin } 2197 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2198 if $Coro::current == $Coro::main;
2199
2200 find $path, $origin
1617} 2201}
1618 2202
1619sub do_load_sync { 2203sub do_load_sync {
1620 my ($map) = @_; 2204 my ($map) = @_;
1621 2205
1622 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;
1623} 2210}
1624 2211
1625our %MAP_PREFETCH; 2212our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2213our $MAP_PREFETCHER = undef;
1627 2214
1628sub find_async { 2215sub find_async {
1629 my ($path, $origin) = @_; 2216 my ($path, $origin, $load) = @_;
1630 2217
1631 $path = normalise $path, $origin && $origin->{path}; 2218 $path = normalise $path, $origin && $origin->{path};
1632 2219
1633 if (my $map = $cf::MAP{$path}) { 2220 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2221 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2222 }
1636 2223
1637 undef $MAP_PREFETCH{$path}; 2224 $MAP_PREFETCH{$path} |= $load;
2225
1638 $MAP_PREFETCHER ||= cf::async { 2226 $MAP_PREFETCHER ||= cf::async {
2227 $Coro::current->{desc} = "map prefetcher";
2228
1639 while (%MAP_PREFETCH) { 2229 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2230 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2231 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2232 $map->load if $v;
2233 }
1644 2234
1645 delete $MAP_PREFETCH{$path}; 2235 delete $MAP_PREFETCH{$k};
1646 } 2236 }
1647 } 2237 }
1648 undef $MAP_PREFETCHER; 2238 undef $MAP_PREFETCHER;
1649 }; 2239 };
1650 $MAP_PREFETCHER->prio (6); 2240 $MAP_PREFETCHER->prio (6);
1651 2241
1652 () 2242 ()
1653} 2243}
1654 2244
2245# common code, used by both ->save and ->swapout
1655sub save { 2246sub _save {
1656 my ($self) = @_; 2247 my ($self) = @_;
1657
1658 my $lock = cf::lock_acquire "map_data:" . $self->path;
1659 2248
1660 $self->{last_save} = $cf::RUNTIME; 2249 $self->{last_save} = $cf::RUNTIME;
1661 2250
1662 return unless $self->dirty; 2251 return unless $self->dirty;
1663 2252
… …
1669 return if $self->{deny_save}; 2258 return if $self->{deny_save};
1670 2259
1671 local $self->{last_access} = $self->last_access;#d# 2260 local $self->{last_access} = $self->last_access;#d#
1672 2261
1673 cf::async { 2262 cf::async {
2263 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2264 $_->contr->save for $self->players;
1675 }; 2265 };
2266
2267 cf::get_slot 0.02;
1676 2268
1677 if ($uniq) { 2269 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2270 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2271 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2272 } else {
1681 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2273 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682 } 2274 }
1683} 2275}
1684 2276
2277sub save {
2278 my ($self) = @_;
2279
2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
2281
2282 $self->_save;
2283}
2284
1685sub swap_out { 2285sub swap_out {
1686 my ($self) = @_; 2286 my ($self) = @_;
1687 2287
1688 # save first because save cedes
1689 $self->save;
1690
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2288 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2289
2290 return if $self->in_memory != cf::MAP_ACTIVE;
2291 return if $self->{deny_save};
1693 return if $self->players; 2292 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save};
1696 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
1697 $self->clear; 2303 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2304}
1700 2305
1701sub reset_at { 2306sub reset_at {
1702 my ($self) = @_; 2307 my ($self) = @_;
1703 2308
1704 # TODO: safety, remove and allow resettable per-player maps 2309 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2310 return 1e99 if $self->{deny_reset};
1707 2311
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2312 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2313 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2314
… …
1721 my ($self) = @_; 2325 my ($self) = @_;
1722 2326
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2328
1725 return if $self->players; 2329 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2330
1728 warn "resetting map ", $self->path;#d# 2331 cf::trace "resetting map ", $self->path, "\n";
1729 2332
1730 $self->in_memory (cf::MAP_SWAPPED); 2333 $self->in_memory (cf::MAP_SWAPPED);
1731 2334
1732 # need to save uniques path 2335 # need to save uniques path
1733 unless ($self->{deny_save}) { 2336 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2340 if $uniq;
1738 } 2341 }
1739 2342
1740 delete $cf::MAP{$self->path}; 2343 delete $cf::MAP{$self->path};
1741 2344
2345 $self->deactivate;
2346 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2347 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2348
1746 $self->unlink_save; 2349 $self->unlink_save;
1747 $self->destroy; 2350 $self->destroy;
1748} 2351}
1749 2352
1750my $nuke_counter = "aaaa"; 2353my $nuke_counter = "aaaa";
1751 2354
1752sub nuke { 2355sub nuke {
1753 my ($self) = @_; 2356 my ($self) = @_;
1754 2357
2358 {
2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
2360
1755 delete $cf::MAP{$self->path}; 2361 delete $cf::MAP{$self->path};
1756 2362
1757 $self->unlink_save; 2363 $self->unlink_save;
1758 2364
1759 bless $self, "cf::map"; 2365 bless $self, "cf::map::wrap";
1760 delete $self->{deny_reset}; 2366 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2367 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2368 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2369 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2370
1765 $cf::MAP{$self->path} = $self; 2371 $cf::MAP{$self->path} = $self;
2372 }
1766 2373
1767 $self->reset; # polite request, might not happen 2374 $self->reset; # polite request, might not happen
2375}
2376
2377=item $maps = cf::map::tmp_maps
2378
2379Returns an arrayref with all map paths of currently instantiated and saved
2380maps. May block.
2381
2382=cut
2383
2384sub tmp_maps() {
2385 [
2386 map {
2387 utf8::decode $_;
2388 /\.map$/
2389 ? normalise $_
2390 : ()
2391 } @{ aio_readdir $TMPDIR or [] }
2392 ]
2393}
2394
2395=item $maps = cf::map::random_maps
2396
2397Returns an arrayref with all map paths of currently instantiated and saved
2398random maps. May block.
2399
2400=cut
2401
2402sub random_maps() {
2403 [
2404 map {
2405 utf8::decode $_;
2406 /\.map$/
2407 ? normalise "?random/$_"
2408 : ()
2409 } @{ aio_readdir $RANDOMDIR or [] }
2410 ]
1768} 2411}
1769 2412
1770=item cf::map::unique_maps 2413=item cf::map::unique_maps
1771 2414
1772Returns an arrayref of paths of all shared maps that have 2415Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2416instantiated unique items. May block.
1774 2417
1775=cut 2418=cut
1776 2419
1777sub unique_maps() { 2420sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2421 [
1779 or return; 2422 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2423 utf8::decode $_;
1785 next if /\.pst$/; 2424 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2425 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2426 ? ()
1788 push @paths, cf::map::normalise $_; 2427 : normalise $_
2428 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2429 ]
1790
1791 \@paths
1792} 2430}
1793 2431
1794package cf; 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;
2459 }
2460
2461 \@maps
2462}
1795 2463
1796=back 2464=back
1797 2465
1798=head3 cf::object 2466=head3 cf::object
1799 2467
… …
1803 2471
1804=over 4 2472=over 4
1805 2473
1806=item $ob->inv_recursive 2474=item $ob->inv_recursive
1807 2475
1808Returns the inventory of the object _and_ their inventories, recursively. 2476Returns the inventory of the object I<and> their inventories, recursively,
2477but I<not> the object itself.
1809 2478
1810=cut 2479=cut
1811 2480
1812sub inv_recursive_; 2481sub inv_recursive_;
1813sub inv_recursive_ { 2482sub inv_recursive_ {
… …
1816 2485
1817sub inv_recursive { 2486sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2487 inv_recursive_ inv $_[0]
1819} 2488}
1820 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 }
2516}
2517
1821package cf; 2518package cf;
1822 2519
1823=back 2520=back
1824 2521
1825=head3 cf::object::player 2522=head3 cf::object::player
… …
1831Sends 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>
1832can 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
1833dialogue with the given NPC character. 2530dialogue with the given NPC character.
1834 2531
1835=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};
1836 2547
1837# rough implementation of a future "reply" method that works 2548# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2549# with dialog boxes.
1839#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
1840sub cf::object::player::reply($$$;$) { 2551sub cf::object::player::reply($$$;$) {
… …
1842 2553
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2554 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2555
1845 if ($self->{record_replies}) { 2556 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2557 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2558
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2567 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2568 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2569 }
1850 } 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 (@_);
1851} 2581}
1852 2582
1853=item $player_object->may ("access") 2583=item $player_object->may ("access")
1854 2584
1855Returns wether the given player is authorized to access resource "access" 2585Returns wether the given player is authorized to access resource "access"
… …
1868 2598
1869=item $player_object->enter_link 2599=item $player_object->enter_link
1870 2600
1871Freezes 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}>).
1872 2602
1873The player should be reasonably safe there for short amounts of time. You 2603The player should be reasonably safe there for short amounts of time (e.g.
1874I<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.
1875 2607
1876Will never block. 2608Will never block.
1877 2609
1878=item $player_object->leave_link ($map, $x, $y) 2610=item $player_object->leave_link ($map, $x, $y)
1879 2611
… …
1899sub cf::object::player::enter_link { 2631sub cf::object::player::enter_link {
1900 my ($self) = @_; 2632 my ($self) = @_;
1901 2633
1902 $self->deactivate_recursive; 2634 $self->deactivate_recursive;
1903 2635
2636 ++$self->{_link_recursion};
2637
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2638 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2639
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2640 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2641 if $self->map && $self->map->{path} ne "{link}";
1908 2642
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2643 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1910} 2644}
1911 2645
1912sub cf::object::player::leave_link { 2646sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2647 my ($self, $map, $x, $y) = @_;
2648
2649 return unless $self->contr->active;
1914 2650
1915 my $link_pos = delete $self->{_link_pos}; 2651 my $link_pos = delete $self->{_link_pos};
1916 2652
1917 unless ($map) { 2653 unless ($map) {
1918 # restore original map position 2654 # restore original map position
… …
1929 ($x, $y) = (-1, -1) 2665 ($x, $y) = (-1, -1)
1930 unless (defined $x) && (defined $y); 2666 unless (defined $x) && (defined $y);
1931 2667
1932 # use -1 or undef as default coordinates, not 0, 0 2668 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2669 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2670 if $x <= 0 && $y <= 0;
1935 2671
1936 $map->load; 2672 $map->load;
1937 $map->load_diag; 2673 $map->load_neighbours;
1938 2674
1939 return unless $self->contr->active; 2675 return unless $self->contr->active;
1940 $self->activate_recursive;
1941 2676
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2677 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2678 if ($self->enter_map ($map, $x, $y)) {
1944} 2679 # entering was successful
1945 2680 delete $self->{_link_recursion};
1946cf::player->attach ( 2681 # only activate afterwards, to support waiting in hooks
1947 on_logout => sub { 2682 $self->activate_recursive;
1948 my ($pl) = @_;
1949
1950 # abort map switching before logout
1951 if ($pl->ob->{_link_pos}) {
1952 cf::sync_job {
1953 $pl->ob->leave_link
1954 };
1955 }
1956 }, 2683 }
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2684
1960 # try to abort aborted map switching on player login :) 2685}
1961 # should happen only on crashes
1962 if ($pl->ob->{_link_pos}) {
1963 $pl->ob->enter_link;
1964 (async {
1965 $pl->ob->reply (undef,
1966 "There was an internal problem at your last logout, "
1967 . "the server will try to bring you to your intended destination in a second.",
1968 cf::NDI_RED);
1969 # we need this sleep as the login has a concurrent enter_exit running
1970 # and this sleep increases chances of the player not ending up in scorn
1971 Coro::Timer::sleep 1;
1972 $pl->ob->leave_link;
1973 })->prio (2);
1974 }
1975 },
1976);
1977 2686
1978=item $player_object->goto ($path, $x, $y) 2687=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1979 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
1980=cut 2698=cut
2699
2700our $GOTOGEN;
1981 2701
1982sub cf::object::player::goto { 2702sub cf::object::player::goto {
1983 my ($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;
1984 2713
1985 $self->enter_link; 2714 $self->enter_link;
1986 2715
1987 (async { 2716 (async {
2717 $Coro::current->{desc} = "player::goto $path $x $y";
2718
2719 # *tag paths override both path and x|y
2720 if ($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
1988 my $map = eval { 2738 my $map = eval {
1989 my $map = cf::map::find $path; 2739 my $map = defined $path ? cf::map::find $path : undef;
2740
2741 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2742 $map = $map->customise_for ($self);
2743 $map = $check->($map, $x, $y, $self) if $check && $map;
2744 } else {
2745 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2746 }
2747
1991 $map 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 $@;
1992 } or 2754 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2755
2756 if ($gen == $self->{_goto_generation}) {
2757 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2758 $self->leave_link ($map, $x, $y);
2759 }
2760
2761 $done->($self) if $done;
1996 })->prio (1); 2762 })->prio (1);
1997} 2763}
1998 2764
1999=item $player_object->enter_exit ($exit_object) 2765=item $player_object->enter_exit ($exit_object)
2000 2766
… …
2020} 2786}
2021 2787
2022sub prepare_random_map { 2788sub prepare_random_map {
2023 my ($exit) = @_; 2789 my ($exit) = @_;
2024 2790
2025 my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027 # all this does is basically replace the /! path by 2791 # all this does is basically replace the /! path by
2028 # a new random map path (?random/...) with a seed 2792 # a new random map path (?random/...) with a seed
2029 # that depends on the exit object 2793 # that depends on the exit object
2030 2794
2031 my $rmp = parse_random_map_params $exit->msg; 2795 my $rmp = parse_random_map_params $exit->msg;
… …
2033 if ($exit->map) { 2797 if ($exit->map) {
2034 $rmp->{region} = $exit->region->name; 2798 $rmp->{region} = $exit->region->name;
2035 $rmp->{origin_map} = $exit->map->path; 2799 $rmp->{origin_map} = $exit->map->path;
2036 $rmp->{origin_x} = $exit->x; 2800 $rmp->{origin_x} = $exit->x;
2037 $rmp->{origin_y} = $exit->y; 2801 $rmp->{origin_y} = $exit->y;
2802
2803 $exit->map->touch;
2038 } 2804 }
2039 2805
2040 $rmp->{random_seed} ||= $exit->random_seed; 2806 $rmp->{random_seed} ||= $exit->random_seed;
2041 2807
2042 my $data = cf::to_json $rmp; 2808 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043 my $md5 = Digest::MD5::md5_hex $data; 2809 my $md5 = Digest::MD5::md5_hex $data;
2044 my $meta = "$RANDOMDIR/$md5.meta"; 2810 my $meta = "$RANDOMDIR/$md5.meta";
2045 2811
2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2812 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047 aio_write $fh, 0, (length $data), $data, 0; 2813 aio_write $fh, 0, (length $data), $data, 0;
2048 undef $fh; 2814 undef $fh;
2049 aio_rename "$meta~", $meta; 2815 aio_rename "$meta~", $meta;
2050 2816
2817 my $slaying = "?random/$md5";
2818
2819 if ($exit->valid) {
2051 $exit->slaying ("?random/$md5"); 2820 $exit->slaying ("?random/$md5");
2052 $exit->msg (undef); 2821 $exit->msg (undef);
2822 }
2053 } 2823 }
2054} 2824}
2055 2825
2056sub cf::object::player::enter_exit { 2826sub cf::object::player::enter_exit {
2057 my ($self, $exit) = @_; 2827 my ($self, $exit) = @_;
2058 2828
2059 return unless $self->type == cf::PLAYER; 2829 return unless $self->type == cf::PLAYER;
2060 2830
2061 if ($exit->slaying eq "/!") {
2062 #TODO: this should de-fi-ni-te-ly not be a sync-job
2063 # the problem is that $exit might not survive long enough
2064 # so it needs to be done right now, right here
2065 cf::sync_job { prepare_random_map $exit };
2066 }
2067
2068 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069 my $hp = $exit->stats->hp;
2070 my $sp = $exit->stats->sp;
2071
2072 $self->enter_link; 2831 $self->enter_link;
2073 2832
2074 (async { 2833 (async {
2075 $self->deactivate_recursive; # just to be sure 2834 $Coro::current->{desc} = "enter_exit";
2835
2076 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
2843 prepare_random_map $exit
2844 if $exit->slaying eq "/!";
2845 }
2846
2847 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2848 my $x = $exit->stats->hp;
2849 my $y = $exit->stats->sp;
2850
2077 $self->goto ($slaying, $hp, $sp); 2851 $self->goto ($map, $x, $y);
2078 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
2079 1; 2857 1
2080 }) { 2858 }) {
2081 $self->message ("Something went wrong deep within the crossfire server. " 2859 $self->message ("Something went wrong deep within the deliantra server. "
2082 . "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. "
2083 . "Please report this to the dungeon master!", 2861 . "Please report this to the dungeon master!",
2084 cf::NDI_UNIQUE | cf::NDI_RED); 2862 cf::NDI_UNIQUE | cf::NDI_RED);
2085 2863
2086 warn "ERROR in enter_exit: $@"; 2864 error "ERROR in enter_exit: $@";
2087 $self->leave_link; 2865 $self->leave_link;
2088 } 2866 }
2089 })->prio (1); 2867 })->prio (1);
2090} 2868}
2091 2869
… …
2105 2883
2106 utf8::encode $text; 2884 utf8::encode $text;
2107 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2885 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108} 2886}
2109 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
2110=item $client->ext_event ($type, %msg) 3075=item $client->ext_msg ($type, @msg)
2111 3076
2112Sends an exti event to the client. 3077Sends an ext event to the client.
2113 3078
2114=cut 3079=cut
2115 3080
2116sub cf::client::ext_event($$%) { 3081sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 3082 my ($self, $type, @msg) = @_;
2118 3083
3084 if ($self->extcmd == 2) {
3085 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3086 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 3087 push @msg, msgtype => "event_$type";
2120 $self->send_packet ("ext " . cf::to_json \%msg); 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 }
2121} 3108}
2122 3109
2123=item $success = $client->query ($flags, "text", \&cb) 3110=item $success = $client->query ($flags, "text", \&cb)
2124 3111
2125Queues a query to the client, calling the given callback with 3112Queues a query to the client, calling the given callback with
2126the 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>,
2127C<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>.
2128 3115
2129Queries 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
2130reliable at some point in the future. 3117become reliable at some point in the future.
2131 3118
2132=cut 3119=cut
2133 3120
2134sub cf::client::query { 3121sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 3122 my ($self, $flags, $text, $cb) = @_;
… …
2143 utf8::encode $text; 3130 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3131 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 3132
2146 $self->send_packet ($self->{query_queue}[0][0]) 3133 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 3134 if @{ $self->{query_queue} } == 1;
3135
3136 1
2148} 3137}
2149 3138
2150cf::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 },
2151 on_reply => sub { 3145 on_reply => sub {
2152 my ($ns, $msg) = @_; 3146 my ($ns, $msg) = @_;
2153 3147
2154 # this weird shuffling is so that direct followup queries 3148 # this weird shuffling is so that direct followup queries
2155 # get handled first 3149 # get handled first
… …
2167 } else { 3161 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 3163 }
2170 } 3164 }
2171 }, 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 },
2172); 3192);
2173 3193
2174=item $client->async (\&cb) 3194=item $client->async (\&cb)
2175 3195
2176Create a new coroutine, running the specified callback. The coroutine will 3196Create a new coroutine, running the specified callback. The coroutine will
… …
2192 3212
2193 $coro 3213 $coro
2194} 3214}
2195 3215
2196cf::client->attach ( 3216cf::client->attach (
2197 on_destroy => sub { 3217 on_client_destroy => sub {
2198 my ($ns) = @_; 3218 my ($ns) = @_;
2199 3219
2200 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3220 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201 }, 3221 },
2202); 3222);
… …
2217our $safe = new Safe "safe"; 3237our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 3238our $safe_hole = new Safe::Hole;
2219 3239
2220$SIG{FPE} = 'IGNORE'; 3240$SIG{FPE} = 'IGNORE';
2221 3241
2222$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));
2223 3247
2224# here we export the classes and methods available to script code 3248# here we export the classes and methods available to script code
2225 3249
2226=pod 3250=pod
2227 3251
2228The following functions and methods are available within a safe environment: 3252The following functions and methods are available within a safe environment:
2229 3253
2230 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
2231 cf::object::player player 3259 cf::object::player
2232 cf::player peaceful 3260 player
2233 cf::map trigger 3261
3262 cf::player
3263 peaceful
3264
3265 cf::map
3266 trigger
2234 3267
2235=cut 3268=cut
2236 3269
2237for ( 3270for (
2238 ["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)],
2239 ["cf::object::player" => qw(player)], 3274 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 3275 ["cf::player" => qw(peaceful send_msg)],
2241 ["cf::map" => qw(trigger)], 3276 ["cf::map" => qw(trigger)],
2242) { 3277) {
2243 no strict 'refs';
2244 my ($pkg, @funs) = @$_; 3278 my ($pkg, @funs) = @$_;
2245 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3279 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2246 for @funs; 3280 for @funs;
2247} 3281}
2248 3282
… …
2263 3297
2264 my $qcode = $code; 3298 my $qcode = $code;
2265 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3299 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2266 $qcode =~ s/\n/\\n/g; 3300 $qcode =~ s/\n/\\n/g;
2267 3301
3302 %vars = (_dummy => 0) unless %vars;
3303
3304 my @res;
2268 local $_; 3305 local $_;
2269 local @safe::cf::_safe_eval_args = values %vars;
2270 3306
2271 my $eval = 3307 my $eval =
2272 "do {\n" 3308 "do {\n"
2273 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3309 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274 . "#line 0 \"{$qcode}\"\n" 3310 . "#line 0 \"{$qcode}\"\n"
2275 . $code 3311 . $code
2276 . "\n}" 3312 . "\n}"
2277 ; 3313 ;
2278 3314
3315 if ($CFG{safe_eval}) {
2279 sub_generation_inc; 3316 sub_generation_inc;
3317 local @safe::cf::_safe_eval_args = values %vars;
2280 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3318 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281 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 }
2282 3324
2283 if ($@) { 3325 if ($@) {
2284 warn "$@"; 3326 warn "$@",
2285 warn "while executing safe code '$code'\n"; 3327 "while executing safe code '$code'\n",
2286 warn "with arguments " . (join " ", %vars) . "\n"; 3328 "with arguments " . (join " ", %vars) . "\n";
2287 } 3329 }
2288 3330
2289 wantarray ? @res : $res[0] 3331 wantarray ? @res : $res[0]
2290} 3332}
2291 3333
… …
2305=cut 3347=cut
2306 3348
2307sub register_script_function { 3349sub register_script_function {
2308 my ($fun, $cb) = @_; 3350 my ($fun, $cb) = @_;
2309 3351
2310 no strict 'refs'; 3352 $fun = "safe::$fun" if $CFG{safe_eval};
2311 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3353 *$fun = $safe_hole->wrap ($cb);
2312} 3354}
2313 3355
2314=back 3356=back
2315 3357
2316=cut 3358=cut
2317
2318#############################################################################
2319
2320=head2 EXTENSION DATABASE SUPPORT
2321
2322Crossfire maintains a very simple database for extension use. It can
2323currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324convert to/from binary).
2325
2326The parameter C<$family> should best start with the name of the extension
2327using it, it should be unique.
2328
2329=over 4
2330
2331=item $value = cf::db_get $family => $key
2332
2333Returns a single value from the database.
2334
2335=item cf::db_put $family => $key => $value
2336
2337Stores the given C<$value> in the family.
2338
2339=cut
2340
2341our $DB;
2342
2343sub db_init {
2344 unless ($DB) {
2345 $DB = BDB::db_create $DB_ENV;
2346
2347 cf::sync_job {
2348 eval {
2349 $DB->set_flags (BDB::CHKSUM);
2350
2351 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353 cf::cleanup "db_open(db): $!" if $!;
2354 };
2355 cf::cleanup "db_open(db): $@" if $@;
2356 };
2357 }
2358}
2359
2360sub db_get($$) {
2361 my $key = "$_[0]/$_[1]";
2362
2363 cf::sync_job {
2364 BDB::db_get $DB, undef, $key, my $data;
2365
2366 $! ? ()
2367 : $data
2368 }
2369}
2370
2371sub db_put($$$) {
2372 BDB::dbreq_pri 4;
2373 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374}
2375
2376=item cf::cache $id => [$paths...], $processversion => $process
2377
2378Generic caching function that returns the value of the resource $id,
2379caching and regenerating as required.
2380
2381This function can block.
2382
2383=cut
2384
2385sub cache {
2386 my ($id, $src, $processversion, $process) = @_;
2387
2388 my $meta =
2389 join "\x00",
2390 $processversion,
2391 map {
2392 aio_stat $_
2393 and Carp::croak "$_: $!";
2394
2395 ($_, (stat _)[7,9])
2396 } @$src;
2397
2398 my $dbmeta = db_get cache => "$id/meta";
2399 if ($dbmeta ne $meta) {
2400 # changed, we may need to process
2401
2402 my @data;
2403 my $md5;
2404
2405 for (0 .. $#$src) {
2406 0 <= aio_load $src->[$_], $data[$_]
2407 or Carp::croak "$src->[$_]: $!";
2408 }
2409
2410 # if processing is expensive, check
2411 # checksum first
2412 if (1) {
2413 $md5 =
2414 join "\x00",
2415 $processversion,
2416 map {
2417 Coro::cede;
2418 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2419 } 0.. $#$src;
2420
2421
2422 my $dbmd5 = db_get cache => "$id/md5";
2423 if ($dbmd5 eq $md5) {
2424 db_put cache => "$id/meta", $meta;
2425
2426 return db_get cache => "$id/data";
2427 }
2428 }
2429
2430 my $t1 = Time::HiRes::time;
2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436 db_put cache => "$id/data", $data;
2437 db_put cache => "$id/md5" , $md5;
2438 db_put cache => "$id/meta", $meta;
2439
2440 return $data;
2441 }
2442
2443 db_get cache => "$id/data"
2444}
2445
2446=item fork_call { }, $args
2447
2448Executes the given code block with the given arguments in a seperate
2449process, returning the results. Everything must be serialisable with
2450Coro::Storable. May, of course, block. Note that the executed sub may
2451never block itself or use any form of Event handling.
2452
2453=cut
2454
2455sub fork_call(&@) {
2456 my ($cb, @args) = @_;
2457
2458# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459# or die "socketpair: $!";
2460 pipe my $fh1, my $fh2
2461 or die "pipe: $!";
2462
2463 if (my $pid = fork) {
2464 close $fh2;
2465
2466 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467 $res = Coro::Storable::thaw $res;
2468
2469 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471 die $$res unless "ARRAY" eq ref $res;
2472
2473 return wantarray ? @$res : $res->[-1];
2474 } else {
2475 reset_signals;
2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2478 eval {
2479 close $fh1;
2480
2481 my @res = eval { $cb->(@args) };
2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483 };
2484
2485 warn $@ if $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491 3359
2492############################################################################# 3360#############################################################################
2493# the server's init and main functions 3361# the server's init and main functions
2494 3362
3363# async inc loader. yay.
3364sub inc_loader {
3365 my $mod = $_[1];
3366
3367 if (in_main && !tick_inhibit) {
3368 Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
3369 } else {
3370 debug "loading perl module $mod\n";
3371 }
3372
3373 # 1. find real file
3374 for my $dir (@ORIG_INC) {
3375 ref $dir and next;
3376 0 <= Coro::AIO::aio_load "$dir/$mod", my $data
3377 or next;
3378
3379 $data = "#line 1 $dir/$mod\n$data";
3380
3381 open my $fh, "<", \$data or die;
3382
3383 return $fh;
3384 }
3385
3386 ()
3387}
3388
3389sub init_inc {
3390 # save original @INC
3391 @ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
3392
3393 # make sure we can do scalar-opens
3394 open my $dummy, "<", \my $dummy2;
3395
3396 # execute some stuff so perl load's some of the core modules
3397 /Ü/ =~ /ü/i;
3398 eval { &Storable::nstore_fd };
3399
3400 @INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
3401
3402 debug "module loading will be asynchronous from this point on.";
3403}
3404
2495sub load_facedata($) { 3405sub load_facedata($) {
2496 my ($path) = @_; 3406 my ($path) = @_;
2497 3407
3408 # HACK to clear player env face cache, we need some signal framework
3409 # for this (global event?)
3410 %ext::player_env::MUSIC_FACE_CACHE = ();
3411
3412 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3413
2498 warn "loading facedata from $path\n"; 3414 trace "loading facedata from $path\n";
2499 3415
2500 my $facedata; 3416 my $facedata;
2501 0 < aio_load $path, $facedata 3417 0 < aio_load $path, $facedata
2502 or die "$path: $!"; 3418 or die "$path: $!";
2503 3419
2504 $facedata = Coro::Storable::thaw $facedata; 3420 $facedata = Coro::Storable::thaw $facedata;
2505 3421
2506 $facedata->{version} == 2 3422 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3423 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 3424
3425 # patch in the exptable
3426 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3427 $facedata->{resource}{"res/exp_table"} = {
3428 type => FT_RSRC,
3429 data => $exp_table,
3430 hash => (Digest::MD5::md5 $exp_table),
3431 };
3432 cf::cede_to_tick;
3433
2509 { 3434 {
2510 my $faces = $facedata->{faceinfo}; 3435 my $faces = $facedata->{faceinfo};
2511 3436
2512 while (my ($face, $info) = each %$faces) { 3437 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3438 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3439
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3440 cf::face::set_visibility $idx, $info->{visibility};
3441 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3442 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3443 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517 Coro::cede; 3444
3445 cf::cede_to_tick;
2518 } 3446 }
2519 3447
2520 while (my ($face, $info) = each %$faces) { 3448 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3449 next unless $info->{smooth};
3450
2522 my $idx = cf::face::find $face 3451 my $idx = cf::face::find $face
2523 or next; 3452 or next;
3453
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3454 if (my $smooth = cf::face::find $info->{smooth}) {
3455 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3456 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3457 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3458 error "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3459 }
2529 Coro::cede; 3460
3461 cf::cede_to_tick;
2530 } 3462 }
2531 } 3463 }
2532 3464
2533 { 3465 {
2534 my $anims = $facedata->{animinfo}; 3466 my $anims = $facedata->{animinfo};
2535 3467
2536 while (my ($anim, $info) = each %$anims) { 3468 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3469 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3470 cf::cede_to_tick;
2539 } 3471 }
2540 3472
2541 cf::anim::invalidate_all; # d'oh 3473 cf::anim::invalidate_all; # d'oh
2542 } 3474 }
2543 3475
3476 {
3477 my $res = $facedata->{resource};
3478
3479 while (my ($name, $info) = each %$res) {
3480 if (defined $info->{type}) {
3481 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3482
3483 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3484 cf::face::set_type $idx, $info->{type};
3485 } else {
3486 $RESOURCE{$name} = $info; # unused
3487 }
3488
3489 cf::cede_to_tick;
3490 }
3491 }
3492
3493 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3494
2544 1 3495 1
2545} 3496}
2546 3497
3498register_exticmd fx_want => sub {
3499 my ($ns, $want) = @_;
3500
3501 while (my ($k, $v) = each %$want) {
3502 $ns->fx_want ($k, $v);
3503 }
3504};
3505
3506sub load_resource_file($) {
3507 my $guard = lock_acquire "load_resource_file";
3508
3509 my $status = load_resource_file_ $_[0];
3510 get_slot 0.1, 100;
3511 cf::arch::commit_load;
3512
3513 $status
3514}
3515
2547sub reload_regions { 3516sub reload_regions {
3517 # HACK to clear player env face cache, we need some signal framework
3518 # for this (global event?)
3519 %ext::player_env::MUSIC_FACE_CACHE = ();
3520
2548 load_resource_file "$MAPDIR/regions" 3521 load_resource_file "$MAPDIR/regions"
2549 or die "unable to load regions file\n"; 3522 or die "unable to load regions file\n";
3523
3524 for (cf::region::list) {
3525 $_->{match} = qr/$_->{match}/
3526 if exists $_->{match};
3527 }
2550} 3528}
2551 3529
2552sub reload_facedata { 3530sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3531 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3532 or die "unable to load facedata\n";
… …
2562sub reload_treasures { 3540sub reload_treasures {
2563 load_resource_file "$DATADIR/treasures" 3541 load_resource_file "$DATADIR/treasures"
2564 or die "unable to load treasurelists\n"; 3542 or die "unable to load treasurelists\n";
2565} 3543}
2566 3544
3545sub reload_sound {
3546 trace "loading sound config from $DATADIR/sound\n";
3547
3548 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3549 or die "$DATADIR/sound $!";
3550
3551 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3552
3553 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3554 my $sound = $soundconf->{compat}[$_]
3555 or next;
3556
3557 my $face = cf::face::find "sound/$sound->[1]";
3558 cf::sound::set $sound->[0] => $face;
3559 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3560 }
3561
3562 while (my ($k, $v) = each %{$soundconf->{event}}) {
3563 my $face = cf::face::find "sound/$v";
3564 cf::sound::set $k => $face;
3565 }
3566}
3567
2567sub reload_resources { 3568sub reload_resources {
2568 warn "reloading resource files...\n"; 3569 trace "reloading resource files...\n";
2569 3570
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
2570 reload_regions; 3574 reload_regions;
2571 reload_facedata;
2572 reload_archetypes;
2573 reload_treasures; 3575 reload_treasures;
2574 3576
2575 warn "finished reloading resource files\n"; 3577 trace "finished reloading resource files\n";
2576} 3578}
2577 3579
2578sub init { 3580sub reload_config {
2579 reload_resources; 3581 trace "reloading config file...\n";
2580}
2581 3582
2582sub cfg_load {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3583 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3584 or return;
2585 3585
2586 local $/; 3586 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3587 *CFG = YAML::XS::Load scalar <$fh>;
2588 3588
2589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2590 3590
2591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2593 3593
2594 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
… …
2596 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3596 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2597 and die "WARNING: m(un)lockall failed: $!\n"; 3597 and die "WARNING: m(un)lockall failed: $!\n";
2598 }; 3598 };
2599 warn $@ if $@; 3599 warn $@ if $@;
2600 } 3600 }
3601
3602 trace "finished reloading resource files\n";
3603}
3604
3605sub pidfile() {
3606 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3607 or die "$PIDFILE: $!";
3608 flock $fh, &Fcntl::LOCK_EX
3609 or die "$PIDFILE: flock: $!";
3610 $fh
3611}
3612
3613# make sure only one server instance is running at any one time
3614sub atomic {
3615 my $fh = pidfile;
3616
3617 my $pid = <$fh>;
3618 kill 9, $pid if $pid > 0;
3619
3620 seek $fh, 0, 0;
3621 print $fh $$;
3622}
3623
3624sub main_loop {
3625 trace "EV::loop starting\n";
3626 if (1) {
3627 EV::loop;
3628 }
3629 trace "EV::loop returned\n";
3630 goto &main_loop unless $REALLY_UNLOOP;
2601} 3631}
2602 3632
2603sub main { 3633sub main {
3634 cf::init_globals; # initialise logging
3635
3636 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3637 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3638 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3639 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3640
3641 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3642
2604 # we must not ever block the main coroutine 3643 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3644 local $Coro::idle = sub {
2606 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3645 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607 (async { 3646 (async {
2608 Event::one_event; 3647 $Coro::current->{desc} = "IDLE BUG HANDLER";
3648 EV::loop EV::LOOP_ONESHOT;
2609 })->prio (Coro::PRIO_MAX); 3649 })->prio (Coro::PRIO_MAX);
2610 }; 3650 };
2611 3651
2612 cfg_load; 3652 evthread_start IO::AIO::poll_fileno;
3653
3654 cf::sync_job {
3655 init_inc;
3656
3657 cf::init_experience;
3658 cf::init_anim;
3659 cf::init_attackmess;
3660 cf::init_dynamic;
3661
3662 cf::load_settings;
3663 cf::load_materials;
3664
3665 reload_resources;
3666 reload_config;
2613 db_init; 3667 db_init;
3668
3669 cf::init_uuid;
3670 cf::init_signals;
3671 cf::init_skills;
3672
3673 cf::init_beforeplay;
3674
3675 atomic;
3676
2614 load_extensions; 3677 load_extensions;
2615 3678
2616 $TICK_WATCHER->start; 3679 utime time, time, $RUNTIMEFILE;
2617 Event::loop; 3680
3681 # no (long-running) fork's whatsoever before this point(!)
3682 use POSIX ();
3683 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3684
3685 (pop @POST_INIT)->(0) while @POST_INIT;
3686 };
3687
3688 cf::object::thawer::errors_are_fatal 0;
3689 info "parse errors in files are no longer fatal from this point on.\n";
3690
3691 my $free_main; $free_main = EV::idle sub {
3692 undef $free_main;
3693 undef &main; # free gobs of memory :)
3694 };
3695
3696 goto &main_loop;
2618} 3697}
2619 3698
2620############################################################################# 3699#############################################################################
2621# initialisation and cleanup 3700# initialisation and cleanup
2622 3701
2623# install some emergency cleanup handlers 3702# install some emergency cleanup handlers
2624BEGIN { 3703BEGIN {
3704 our %SIGWATCHER = ();
2625 for my $signal (qw(INT HUP TERM)) { 3705 for my $signal (qw(INT HUP TERM)) {
2626 Event->signal ( 3706 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2627 reentrant => 0,
2628 data => WF_AUTOCANCEL,
2629 signal => $signal,
2630 prio => 0,
2631 cb => sub {
2632 cf::cleanup "SIG$signal"; 3707 cf::cleanup "SIG$signal";
2633 },
2634 ); 3708 };
3709 }
3710}
3711
3712sub write_runtime_sync {
3713 my $t0 = AE::time;
3714
3715 # first touch the runtime file to show we are still running:
3716 # the fsync below can take a very very long time.
3717
3718 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3719
3720 my $guard = cf::lock_acquire "write_runtime";
3721
3722 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3723 or return;
3724
3725 my $value = $cf::RUNTIME + 90 + 10;
3726 # 10 is the runtime save interval, for a monotonic clock
3727 # 60 allows for the watchdog to kill the server.
3728
3729 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3730 and return;
3731
3732 # always fsync - this file is important
3733 aio_fsync $fh
3734 and return;
3735
3736 # touch it again to show we are up-to-date
3737 aio_utime $fh, undef, undef;
3738
3739 close $fh
3740 or return;
3741
3742 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3743 and return;
3744
3745 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3746
2635 } 3747 1
3748}
3749
3750our $uuid_lock;
3751our $uuid_skip;
3752
3753sub write_uuid_sync($) {
3754 $uuid_skip ||= $_[0];
3755
3756 return if $uuid_lock;
3757 local $uuid_lock = 1;
3758
3759 my $uuid = "$LOCALDIR/uuid";
3760
3761 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3762 or return;
3763
3764 my $value = uuid_seq uuid_cur;
3765
3766 unless ($value) {
3767 info "cowardly refusing to write zero uuid value!\n";
3768 return;
3769 }
3770
3771 my $value = uuid_str $value + $uuid_skip;
3772 $uuid_skip = 0;
3773
3774 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3775 and return;
3776
3777 # always fsync - this file is important
3778 aio_fsync $fh
3779 and return;
3780
3781 close $fh
3782 or return;
3783
3784 aio_rename "$uuid~", $uuid
3785 and return;
3786
3787 trace "uuid file written ($value).\n";
3788
3789 1
3790
3791}
3792
3793sub write_uuid($$) {
3794 my ($skip, $sync) = @_;
3795
3796 $sync ? write_uuid_sync $skip
3797 : async { write_uuid_sync $skip };
2636} 3798}
2637 3799
2638sub emergency_save() { 3800sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3801 my $freeze_guard = cf::freeze_mainloop;
2640 3802
2641 warn "enter emergency perl save\n"; 3803 info "emergency_perl_save: enter\n";
3804
3805 # this is a trade-off: we want to be very quick here, so
3806 # save all maps without fsync, and later call a global sync
3807 # (which in turn might be very very slow)
3808 local $USE_FSYNC = 0;
2642 3809
2643 cf::sync_job { 3810 cf::sync_job {
3811 cf::write_runtime_sync; # external watchdog should not bark
3812
2644 # use a peculiar iteration method to avoid tripping on perl 3813 # use a peculiar iteration method to avoid tripping on perl
2645 # refcount bugs in for. also avoids problems with players 3814 # refcount bugs in for. also avoids problems with players
2646 # and maps saved/destroyed asynchronously. 3815 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3816 info "emergency_perl_save: begin player save\n";
2648 for my $login (keys %cf::PLAYER) { 3817 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3818 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3819 $pl->valid or next;
3820 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3821 $pl->save;
2652 } 3822 }
2653 warn "end emergency player save\n"; 3823 info "emergency_perl_save: end player save\n";
2654 3824
2655 warn "begin emergency map save\n"; 3825 cf::write_runtime_sync; # external watchdog should not bark
3826
3827 info "emergency_perl_save: begin map save\n";
2656 for my $path (keys %cf::MAP) { 3828 for my $path (keys %cf::MAP) {
2657 my $map = $cf::MAP{$path} or next; 3829 my $map = $cf::MAP{$path} or next;
2658 $map->valid or next; 3830 $map->valid or next;
2659 $map->save; 3831 $map->save;
2660 } 3832 }
2661 warn "end emergency map save\n"; 3833 info "emergency_perl_save: end map save\n";
2662 3834
2663 warn "begin emergency database checkpoint\n"; 3835 cf::write_runtime_sync; # external watchdog should not bark
3836
3837 info "emergency_perl_save: begin database checkpoint\n";
2664 BDB::db_env_txn_checkpoint $DB_ENV; 3838 BDB::db_env_txn_checkpoint $DB_ENV;
2665 warn "end emergency database checkpoint\n"; 3839 info "emergency_perl_save: end database checkpoint\n";
3840
3841 info "emergency_perl_save: begin write uuid\n";
3842 write_uuid_sync 1;
3843 info "emergency_perl_save: end write uuid\n";
3844
3845 cf::write_runtime_sync; # external watchdog should not bark
3846
3847 trace "emergency_perl_save: syncing database to disk";
3848 BDB::db_env_txn_checkpoint $DB_ENV;
3849
3850 info "emergency_perl_save: starting sync\n";
3851 IO::AIO::aio_sync sub {
3852 info "emergency_perl_save: finished sync\n";
3853 };
3854
3855 cf::write_runtime_sync; # external watchdog should not bark
3856
3857 trace "emergency_perl_save: flushing outstanding aio requests";
3858 while (IO::AIO::nreqs || BDB::nreqs) {
3859 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3860 }
3861
3862 cf::write_runtime_sync; # external watchdog should not bark
2666 }; 3863 };
2667 3864
2668 warn "leave emergency perl save\n"; 3865 info "emergency_perl_save: leave\n";
2669} 3866}
2670 3867
2671sub post_cleanup { 3868sub post_cleanup {
2672 my ($make_core) = @_; 3869 my ($make_core) = @_;
2673 3870
3871 IO::AIO::flush;
3872
2674 warn Carp::longmess "post_cleanup backtrace" 3873 error Carp::longmess "post_cleanup backtrace"
2675 if $make_core; 3874 if $make_core;
3875
3876 my $fh = pidfile;
3877 unlink $PIDFILE if <$fh> == $$;
3878}
3879
3880# a safer delete_package, copied from Symbol
3881sub clear_package($) {
3882 my $pkg = shift;
3883
3884 # expand to full symbol table name if needed
3885 unless ($pkg =~ /^main::.*::$/) {
3886 $pkg = "main$pkg" if $pkg =~ /^::/;
3887 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3888 $pkg .= '::' unless $pkg =~ /::$/;
3889 }
3890
3891 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3892 my $stem_symtab = *{$stem}{HASH};
3893
3894 defined $stem_symtab and exists $stem_symtab->{$leaf}
3895 or return;
3896
3897 # clear all symbols
3898 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3899 for my $name (keys %$leaf_symtab) {
3900 _gv_clear *{"$pkg$name"};
3901# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3902 }
2676} 3903}
2677 3904
2678sub do_reload_perl() { 3905sub do_reload_perl() {
2679 # can/must only be called in main 3906 # can/must only be called in main
2680 if ($Coro::current != $Coro::main) { 3907 if (in_main) {
2681 warn "can only reload from main coroutine"; 3908 error "can only reload from main coroutine";
2682 return; 3909 return;
2683 } 3910 }
2684 3911
3912 return if $RELOAD++;
3913
3914 my $t1 = AE::time;
3915
3916 while ($RELOAD) {
2685 warn "reloading..."; 3917 info "reloading...";
2686 3918
2687 warn "entering sync_job"; 3919 trace "entering sync_job";
2688 3920
2689 cf::sync_job { 3921 cf::sync_job {
2690 cf::write_runtime; # external watchdog should not bark
2691 cf::emergency_save; 3922 cf::emergency_save;
2692 cf::write_runtime; # external watchdog should not bark
2693 3923
2694 warn "syncing database to disk";
2695 BDB::db_env_txn_checkpoint $DB_ENV;
2696
2697 # if anything goes wrong in here, we should simply crash as we already saved
2698
2699 warn "cancelling all WF_AUTOCANCEL watchers";
2700 for (Event::all_watchers) {
2701 $_->cancel if $_->data & WF_AUTOCANCEL;
2702 }
2703
2704 warn "flushing outstanding aio requests";
2705 for (;;) {
2706 BDB::flush;
2707 IO::AIO::flush;
2708 Coro::cede;
2709 last unless IO::AIO::nreqs || BDB::nreqs;
2710 warn "iterate...";
2711 }
2712
2713 ++$RELOAD;
2714
2715 warn "cancelling all extension coros"; 3924 trace "cancelling all extension coros";
2716 $_->cancel for values %EXT_CORO; 3925 $_->cancel for values %EXT_CORO;
2717 %EXT_CORO = (); 3926 %EXT_CORO = ();
2718 3927
2719 warn "removing commands"; 3928 trace "removing commands";
2720 %COMMAND = (); 3929 %COMMAND = ();
2721 3930
2722 warn "removing ext commands"; 3931 trace "removing ext/exti commands";
2723 %EXTCMD = (); 3932 %EXTCMD = ();
3933 %EXTICMD = ();
2724 3934
2725 warn "unloading/nuking all extensions"; 3935 trace "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) { 3936 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg"; 3937 trace "... unloading $pkg";
2728 3938
2729 if (my $cb = $pkg->can ("unload")) { 3939 if (my $cb = $pkg->can ("unload")) {
2730 eval { 3940 eval {
2731 $cb->($pkg); 3941 $cb->($pkg);
2732 1 3942 1
2733 } or warn "$pkg unloaded, but with errors: $@"; 3943 } or error "$pkg unloaded, but with errors: $@";
3944 }
3945
3946 trace "... clearing $pkg";
3947 clear_package $pkg;
2734 } 3948 }
2735 3949
2736 warn "... nuking $pkg";
2737 Symbol::delete_package $pkg;
2738 }
2739
2740 warn "unloading all perl modules loaded from $LIBDIR"; 3950 trace "unloading all perl modules loaded from $LIBDIR";
2741 while (my ($k, $v) = each %INC) { 3951 while (my ($k, $v) = each %INC) {
2742 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3952 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743 3953
2744 warn "... unloading $k"; 3954 trace "... unloading $k";
2745 delete $INC{$k}; 3955 delete $INC{$k};
2746 3956
2747 $k =~ s/\.pm$//; 3957 $k =~ s/\.pm$//;
2748 $k =~ s/\//::/g; 3958 $k =~ s/\//::/g;
2749 3959
2750 if (my $cb = $k->can ("unload_module")) { 3960 if (my $cb = $k->can ("unload_module")) {
2751 $cb->(); 3961 $cb->();
3962 }
3963
3964 clear_package $k;
2752 } 3965 }
2753 3966
2754 Symbol::delete_package $k;
2755 }
2756
2757 warn "getting rid of safe::, as good as possible"; 3967 trace "getting rid of safe::, as good as possible";
2758 Symbol::delete_package "safe::$_" 3968 clear_package "safe::$_"
2759 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3969 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760 3970
2761 warn "unloading cf.pm \"a bit\""; 3971 trace "unloading cf.pm \"a bit\"";
2762 delete $INC{"cf.pm"}; 3972 delete $INC{"cf.pm"};
2763 delete $INC{"cf/pod.pm"}; 3973 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764 3974
2765 # don't, removes xs symbols, too, 3975 # don't, removes xs symbols, too,
2766 # and global variables created in xs 3976 # and global variables created in xs
2767 #Symbol::delete_package __PACKAGE__; 3977 #clear_package __PACKAGE__;
2768 3978
2769 warn "unload completed, starting to reload now"; 3979 info "unload completed, starting to reload now";
2770 3980
2771 warn "reloading cf.pm"; 3981 trace "reloading cf.pm";
2772 require cf; 3982 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3983 cf::_connect_to_perl_1;
2774 3984
2775 warn "loading config and database again"; 3985 trace "loading config and database again";
2776 cf::cfg_load; 3986 cf::reload_config;
2777 3987
2778 warn "loading extensions"; 3988 trace "loading extensions";
2779 cf::load_extensions; 3989 cf::load_extensions;
2780 3990
3991 if ($REATTACH_ON_RELOAD) {
2781 warn "reattaching attachments to objects/players"; 3992 trace "reattaching attachments to objects/players";
2782 _global_reattach; # objects, sockets 3993 _global_reattach; # objects, sockets
2783 warn "reattaching attachments to maps"; 3994 trace "reattaching attachments to maps";
2784 reattach $_ for values %MAP; 3995 reattach $_ for values %MAP;
2785 warn "reattaching attachments to players"; 3996 trace "reattaching attachments to players";
2786 reattach $_ for values %PLAYER; 3997 reattach $_ for values %PLAYER;
3998 }
2787 3999
4000 trace "running post_init jobs";
4001 (pop @POST_INIT)->(1) while @POST_INIT;
4002
2788 warn "leaving sync_job"; 4003 trace "leaving sync_job";
2789 4004
2790 1 4005 1
2791 } or do { 4006 } or do {
2792 warn $@; 4007 error $@;
2793 warn "error while reloading, exiting."; 4008 cf::cleanup "error while reloading, exiting.";
2794 exit 1; 4009 };
4010
4011 info "reloaded";
4012 --$RELOAD;
2795 }; 4013 }
2796 4014
2797 warn "reloaded"; 4015 $t1 = AE::time - $t1;
4016 info "reload completed in ${t1}s\n";
2798}; 4017};
2799 4018
2800our $RELOAD_WATCHER; # used only during reload 4019our $RELOAD_WATCHER; # used only during reload
2801 4020
2802sub reload_perl() { 4021sub reload_perl() {
2803 # doing reload synchronously and two reloads happen back-to-back, 4022 # doing reload synchronously and two reloads happen back-to-back,
2804 # coro crashes during coro_state_free->destroy here. 4023 # coro crashes during coro_state_free->destroy here.
2805 4024
2806 $RELOAD_WATCHER ||= Event->timer ( 4025 $RELOAD_WATCHER ||= cf::async {
2807 reentrant => 0, 4026 Coro::AIO::aio_wait cache_extensions;
2808 after => 0, 4027
2809 data => WF_AUTOCANCEL, 4028 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810 cb => sub {
2811 do_reload_perl; 4029 do_reload_perl;
2812 undef $RELOAD_WATCHER; 4030 undef $RELOAD_WATCHER;
2813 }, 4031 };
2814 ); 4032 };
2815} 4033}
2816 4034
2817register_command "reload" => sub { 4035register_command "reload" => sub {
2818 my ($who, $arg) = @_; 4036 my ($who, $arg) = @_;
2819 4037
2820 if ($who->flag (FLAG_WIZ)) { 4038 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 4039 $who->message ("reloading server.");
4040 async {
4041 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 4042 reload_perl;
4043 };
2823 } 4044 }
2824}; 4045};
2825 4046
2826unshift @INC, $LIBDIR; 4047#############################################################################
2827 4048
2828my $bug_warning = 0; 4049my $bug_warning = 0;
2829 4050
2830our @WAIT_FOR_TICK; 4051our @WAIT_FOR_TICK;
2831our @WAIT_FOR_TICK_BEGIN; 4052our @WAIT_FOR_TICK_BEGIN;
2832 4053
2833sub wait_for_tick { 4054sub wait_for_tick {
2834 return unless $TICK_WATCHER->is_active;
2835 return if $Coro::current == $Coro::main; 4055 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2836 4056
2837 my $signal = new Coro::Signal; 4057 my $signal = new Coro::Signal;
2838 push @WAIT_FOR_TICK, $signal; 4058 push @WAIT_FOR_TICK, $signal;
2839 $signal->wait; 4059 $signal->wait;
2840} 4060}
2841 4061
2842sub wait_for_tick_begin { 4062sub wait_for_tick_begin {
2843 return unless $TICK_WATCHER->is_active;
2844 return if $Coro::current == $Coro::main; 4063 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2845 4064
2846 my $signal = new Coro::Signal; 4065 my $signal = new Coro::Signal;
2847 push @WAIT_FOR_TICK_BEGIN, $signal; 4066 push @WAIT_FOR_TICK_BEGIN, $signal;
2848 $signal->wait; 4067 $signal->wait;
2849} 4068}
2850 4069
2851$TICK_WATCHER = Event->timer ( 4070sub tick {
2852 reentrant => 0,
2853 parked => 1,
2854 prio => 0,
2855 at => $NEXT_TICK || $TICK,
2856 data => WF_AUTOCANCEL,
2857 cb => sub {
2858 if ($Coro::current != $Coro::main) { 4071 if ($Coro::current != $Coro::main) {
2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4072 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860 unless ++$bug_warning > 10; 4073 unless ++$bug_warning > 10;
2861 return; 4074 return;
2862 } 4075 }
2863 4076
2864 $NOW = $tick_start = Event::time;
2865
2866 cf::server_tick; # one server iteration 4077 cf::server_tick; # one server iteration
2867 4078
2868 $RUNTIME += $TICK; 4079 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2869 $NEXT_TICK += $TICK;
2870 4080
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4081 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 4082 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873 Coro::async_pool { 4083 Coro::async_pool {
4084 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 4085 write_runtime_sync
2875 or warn "ERROR: unable to write runtime file: $!"; 4086 or error "ERROR: unable to write runtime file: $!";
2876 };
2877 } 4087 };
4088 }
2878 4089
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4090 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 4091 $sig->send;
2884 } 4092 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 4093 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 4094 $sig->send;
2887 } 4095 }
2888 4096
2889 $NOW = Event::time; 4097 $LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891 # if we are delayed by four ticks or more, skip them all
2892 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894 $TICK_WATCHER->at ($NEXT_TICK);
2895 $TICK_WATCHER->start;
2896
2897 $LOAD = ($NOW - $tick_start) / $TICK;
2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4098 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 4099
2900 _post_tick; 4100 if (0) {
2901 4101 if ($NEXT_TICK) {
2902 4102 my $jitter = $TICK_START - $NEXT_TICK;
4103 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4104 debug "jitter $JITTER\n";#d#
4105 }
2903 }, 4106 }
2904); 4107}
2905 4108
2906{ 4109{
2907 BDB::max_poll_time $TICK * 0.1; 4110 # configure BDB
2908 $BDB_POLL_WATCHER = Event->io ( 4111
2909 reentrant => 0,
2910 fd => BDB::poll_fileno,
2911 poll => 'r',
2912 prio => 0,
2913 data => WF_AUTOCANCEL,
2914 cb => \&BDB::poll_cb,
2915 );
2916 BDB::min_parallel 8; 4112 BDB::min_parallel 16;
2917 4113 BDB::max_poll_reqs $TICK * 0.1;
2918 BDB::set_sync_prepare { 4114 $AnyEvent::BDB::WATCHER->priority (1);
2919 my $status;
2920 my $current = $Coro::current;
2921 (
2922 sub {
2923 $status = $!;
2924 $current->ready; undef $current;
2925 },
2926 sub {
2927 Coro::schedule while defined $current;
2928 $! = $status;
2929 },
2930 )
2931 };
2932 4115
2933 unless ($DB_ENV) { 4116 unless ($DB_ENV) {
2934 $DB_ENV = BDB::db_env_create; 4117 $DB_ENV = BDB::db_env_create;
4118 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4119 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4120 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4121 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4122 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935 4123
2936 cf::sync_job { 4124 cf::sync_job {
2937 eval { 4125 eval {
2938 BDB::db_env_open 4126 BDB::db_env_open
2939 $DB_ENV, 4127 $DB_ENV,
… …
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4129 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4130 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 4131 0666;
2944 4132
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4133 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948 $DB_ENV->set_lk_detect;
2949 }; 4134 };
2950 4135
2951 cf::cleanup "db_env_open(db): $@" if $@; 4136 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 4137 };
2953 } 4138 }
4139
4140 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4141 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4142 };
4143 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4144 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4145 };
4146 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4147 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4148 };
2954} 4149}
2955 4150
2956{ 4151{
4152 # configure IO::AIO
4153
2957 IO::AIO::min_parallel 8; 4154 IO::AIO::min_parallel 8;
2958
2959 undef $Coro::AIO::WATCHER;
2960 IO::AIO::max_poll_time $TICK * 0.1; 4155 IO::AIO::max_poll_time $TICK * 0.1;
2961 $AIO_POLL_WATCHER = Event->io ( 4156 undef $AnyEvent::AIO::WATCHER;
2962 reentrant => 0,
2963 data => WF_AUTOCANCEL,
2964 fd => IO::AIO::poll_fileno,
2965 poll => 'r',
2966 prio => 6,
2967 cb => \&IO::AIO::poll_cb,
2968 );
2969} 4157}
2970 4158
2971my $_log_backtrace; 4159my $_log_backtrace;
2972 4160
2973sub _log_backtrace { 4161sub _log_backtrace {
… …
2976 $msg =~ s/\n//; 4164 $msg =~ s/\n//;
2977 4165
2978 # limit the # of concurrent backtraces 4166 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 4167 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 4168 ++$_log_backtrace;
4169 my $perl_bt = Carp::longmess $msg;
2981 async { 4170 async {
4171 $Coro::current->{desc} = "abt $msg";
4172
2982 my @bt = fork_call { 4173 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 4174 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4175 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4176 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986 or die "addr2line: $!"; 4177 or die "addr2line: $!";
… …
2994 } 4185 }
2995 4186
2996 @funcs 4187 @funcs
2997 }; 4188 };
2998 4189
2999 LOG llevInfo, "[ABT] $msg\n"; 4190 LOG llevInfo, "[ABT] $perl_bt\n";
4191 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000 LOG llevInfo, "[ABT] $_\n" for @bt; 4192 LOG llevInfo, "[ABT] $_\n" for @bt;
3001 --$_log_backtrace; 4193 --$_log_backtrace;
3002 }; 4194 };
3003 } else { 4195 } else {
3004 LOG llevInfo, "[ABT] $msg\n"; 4196 LOG llevInfo, "[ABT] $msg\n";
3005 LOG llevInfo, "[ABT] [suppressed]\n"; 4197 LOG llevInfo, "[ABT] [suppressed]\n";
3006 } 4198 }
3007} 4199}
3008 4200
3009# load additional modules 4201# load additional modules
3010use cf::pod; 4202require "cf/$_.pm" for @EXTRA_MODULES;
4203cf::_connect_to_perl_2;
3011 4204
3012END { cf::emergency_save } 4205END { cf::emergency_save }
3013 4206
30141 42071
3015 4208

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