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Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.544 by root, Thu May 6 21:58:07 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 incloader);
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, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
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}: $@\n";
1456
1457 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1458 if exists $v->{meta}{mandatory};
1459
1460 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1461 delete $todo{$k};
1462 } else {
1463 $done{$k} = delete $todo{$k};
1464 push @EXTS, $v->{pkg};
1465 $progress = 1;
1466
1467 info "$v->{base}: extension inactive.\n"
1468 unless $active;
1469 }
986 1 1470 }
987 } or warn "$ext not loaded: $@"; 1471
1472 unless ($progress) {
1473 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1474
1475 while (my ($k, $v) = each %todo) {
1476 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1477 if exists $v->{meta}{mandatory};
1478 }
1479 }
1480 }
988 } 1481 };
989} 1482}
990 1483
991############################################################################# 1484#############################################################################
992 1485
1486=back
1487
993=head2 CORE EXTENSIONS 1488=head2 CORE EXTENSIONS
994 1489
995Functions and methods that extend core crossfire objects. 1490Functions and methods that extend core deliantra objects.
996 1491
997=cut 1492=cut
998 1493
999package cf::player; 1494package cf::player;
1000 1495
1001use Coro::AIO; 1496use Coro::AIO;
1002 1497
1003=head3 cf::player 1498=head3 cf::player
1004 1499
1005=over 4 1500=over 4
1501
1502=item cf::player::num_playing
1503
1504Returns the official number of playing players, as per the Crossfire metaserver rules.
1505
1506=cut
1507
1508sub num_playing {
1509 scalar grep
1510 $_->ob->map
1511 && !$_->hidden
1512 && !$_->ob->flag (cf::FLAG_WIZ),
1513 cf::player::list
1514}
1006 1515
1007=item cf::player::find $login 1516=item cf::player::find $login
1008 1517
1009Returns the given player object, loading it if necessary (might block). 1518Returns the given player object, loading it if necessary (might block).
1010 1519
… …
1029 1538
1030sub exists($) { 1539sub exists($) {
1031 my ($login) = @_; 1540 my ($login) = @_;
1032 1541
1033 $cf::PLAYER{$login} 1542 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1543 or !aio_stat path $login
1035} 1544}
1036 1545
1037sub find($) { 1546sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1547 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1548 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1555 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1556 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1557 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1558 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1559
1051 my $pl = load_pl path $login 1560 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1561 or return;
1562
1563 my $pl = cf::player::load_pl $f
1564 or return;
1565
1566 local $cf::PLAYER_LOADING{$login} = $pl;
1567 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1568 $cf::PLAYER{$login} = $pl
1054 } 1569 }
1055 } 1570 }
1056} 1571}
1572
1573cf::player->attach (
1574 on_load => sub {
1575 my ($pl, $path) = @_;
1576
1577 # restore slots saved in save, below
1578 my $slots = delete $pl->{_slots};
1579
1580 $pl->ob->current_weapon ($slots->[0]);
1581 $pl->combat_ob ($slots->[1]);
1582 $pl->ranged_ob ($slots->[2]);
1583 },
1584);
1057 1585
1058sub save($) { 1586sub save($) {
1059 my ($pl) = @_; 1587 my ($pl) = @_;
1060 1588
1061 return if $pl->{deny_save}; 1589 return if $pl->{deny_save};
… …
1066 return if $pl->{deny_save}; 1594 return if $pl->{deny_save};
1067 1595
1068 aio_mkdir playerdir $pl, 0770; 1596 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1597 $pl->{last_save} = $cf::RUNTIME;
1070 1598
1599 cf::get_slot 0.01;
1600
1601 # save slots, to be restored later
1602 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1603
1071 $pl->save_pl ($path); 1604 $pl->save_pl ($path);
1072 Coro::cede; 1605 cf::cede_to_tick;
1073} 1606}
1074 1607
1075sub new($) { 1608sub new($) {
1076 my ($login) = @_; 1609 my ($login) = @_;
1077 1610
… …
1083 $cf::PLAYER{$login} = $self; 1616 $cf::PLAYER{$login} = $self;
1084 1617
1085 $self 1618 $self
1086} 1619}
1087 1620
1621=item $player->send_msg ($channel, $msg, $color, [extra...])
1622
1623=cut
1624
1625sub send_msg {
1626 my $ns = shift->ns
1627 or return;
1628 $ns->send_msg (@_);
1629}
1630
1088=item $pl->quit_character 1631=item $pl->quit_character
1089 1632
1090Nukes the player without looking back. If logged in, the connection will 1633Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1634be destroyed. May block for a long time.
1092 1635
… …
1096 my ($pl) = @_; 1639 my ($pl) = @_;
1097 1640
1098 my $name = $pl->ob->name; 1641 my $name = $pl->ob->name;
1099 1642
1100 $pl->{deny_save} = 1; 1643 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1644 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1645
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1646 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1647 $pl->deactivate;
1648 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1649 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1650 $pl->ns->destroy if $pl->ns;
1107 1651
1108 my $path = playerdir $pl; 1652 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1653 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1689 or return [];
1146 1690
1147 my @logins; 1691 my @logins;
1148 1692
1149 for my $login (@$dirs) { 1693 for my $login (@$dirs) {
1694 my $path = path $login;
1695
1696 # a .pst is a dead give-away for a valid player
1697 # if no pst file found, open and chekc for blocked users
1698 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1699 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1700 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1701 $buf !~ /^password -------------$/m or next; # official not-valid tag
1702 }
1153 1703
1154 utf8::decode $login; 1704 utf8::decode $login;
1155 push @logins, $login; 1705 push @logins, $login;
1156 } 1706 }
1157 1707
1158 \@logins 1708 \@logins
1159} 1709}
1160 1710
1161=item $player->maps 1711=item $player->maps
1712
1713=item cf::player::maps $login
1162 1714
1163Returns an arrayref of map paths that are private for this 1715Returns an arrayref of map paths that are private for this
1164player. May block. 1716player. May block.
1165 1717
1166=cut 1718=cut
… …
1184 } 1736 }
1185 1737
1186 \@paths 1738 \@paths
1187} 1739}
1188 1740
1741=item $protocol_xml = $player->expand_cfpod ($cfpod)
1742
1743Expand deliantra pod fragments into protocol xml.
1744
1189=item $player->ext_reply ($msgid, %msg) 1745=item $player->ext_reply ($msgid, @msg)
1190 1746
1191Sends an ext reply to the player. 1747Sends an ext reply to the player.
1192 1748
1193=cut 1749=cut
1194 1750
1195sub ext_reply($$%) { 1751sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1752 my ($self, $id, @msg) = @_;
1197 1753
1198 $msg{msgid} = $id; 1754 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1755}
1202 1756
1203=item $player->ext_event ($type, %msg) 1757=item $player->ext_msg ($type, @msg)
1204 1758
1205Sends an ext event to the client. 1759Sends an ext event to the client.
1206 1760
1207=cut 1761=cut
1208 1762
1209sub ext_event($$%) { 1763sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1764 my ($self, $type, @msg) = @_;
1211 1765
1212 $self->ns->ext_event ($type, %msg); 1766 $self->ns->ext_msg ($type, @msg);
1213} 1767}
1214 1768
1215=head3 cf::region 1769=head3 cf::region
1216 1770
1217=over 4 1771=over 4
… …
1220 1774
1221package cf::region; 1775package cf::region;
1222 1776
1223=item cf::region::find_by_path $path 1777=item cf::region::find_by_path $path
1224 1778
1225Tries to decuce the probable region for a map knowing only its path. 1779Tries to decuce the likely region for a map knowing only its path.
1226 1780
1227=cut 1781=cut
1228 1782
1229sub find_by_path($) { 1783sub find_by_path($) {
1230 my ($path) = @_; 1784 my ($path) = @_;
1231 1785
1786 $path =~ s/^~[^\/]*//; # skip ~login
1787
1232 my ($match, $specificity); 1788 my ($match, $specificity);
1233 1789
1234 for my $region (list) { 1790 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1791 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1792 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1793 if $region->specificity > $specificity;
1238 } 1794 }
1239 } 1795 }
1240 1796
… …
1261our $MAX_RESET = 3600; 1817our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1818our $DEFAULT_RESET = 3000;
1263 1819
1264sub generate_random_map { 1820sub generate_random_map {
1265 my ($self, $rmp) = @_; 1821 my ($self, $rmp) = @_;
1822
1823 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1824
1266 # mit "rum" bekleckern, nicht 1825 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1826 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1827 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1828 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1829 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271 $rmp->{exit_on_final_map}, 1830 $rmp->{exit_on_final_map},
1272 $rmp->{xsize}, $rmp->{ysize}, 1831 $rmp->{xsize}, $rmp->{ysize},
1273 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1832 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1833 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1289 1848
1290sub register { 1849sub register {
1291 my (undef, $regex, $prio) = @_; 1850 my (undef, $regex, $prio) = @_;
1292 my $pkg = caller; 1851 my $pkg = caller;
1293 1852
1294 no strict;
1295 push @{"$pkg\::ISA"}, __PACKAGE__; 1853 push @{"$pkg\::ISA"}, __PACKAGE__;
1296 1854
1297 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1855 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298} 1856}
1299 1857
1300# also paths starting with '/' 1858# also paths starting with '/'
1301$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1859$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302 1860
1303sub thawer_merge { 1861sub thawer_merge {
1304 my ($self, $merge) = @_; 1862 my ($self, $merge) = @_;
1305 1863
1306 # we have to keep some variables in memory intact 1864 # we have to keep some variables in memory intact
1307 local $self->{path}; 1865 local $self->{path};
1308 local $self->{load_path}; 1866 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1867
1312 $self->SUPER::thawer_merge ($merge); 1868 $self->SUPER::thawer_merge ($merge);
1313} 1869}
1314 1870
1315sub normalise { 1871sub normalise {
1316 my ($path, $base) = @_; 1872 my ($path, $base) = @_;
1317 1873
1318 $path = "$path"; # make sure its a string 1874 $path = "$path"; # make sure it's a string
1319 1875
1320 $path =~ s/\.map$//; 1876 $path =~ s/\.map$//;
1321 1877
1322 # map plan: 1878 # map plan:
1323 # 1879 #
… …
1362 $self->init; # pass $1 etc. 1918 $self->init; # pass $1 etc.
1363 return $self; 1919 return $self;
1364 } 1920 }
1365 } 1921 }
1366 1922
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1923 Carp::cluck "unable to resolve path '$path' (base '$base')";
1368 () 1924 ()
1369} 1925}
1370 1926
1371sub init { 1927sub init {
1372 my ($self) = @_; 1928 my ($self) = @_;
… …
1394 1950
1395# the temporary/swap location 1951# the temporary/swap location
1396sub save_path { 1952sub save_path {
1397 my ($self) = @_; 1953 my ($self) = @_;
1398 1954
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1955 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1956 "$TMPDIR/$path.map"
1401} 1957}
1402 1958
1403# the unique path, undef == no special unique path 1959# the unique path, undef == no special unique path
1404sub uniq_path { 1960sub uniq_path {
1405 my ($self) = @_; 1961 my ($self) = @_;
1406 1962
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1963 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1964 "$UNIQUEDIR/$path"
1409} 1965}
1410 1966
1411# and all this just because we cannot iterate over 1967sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1968 my ($self) = @_;
1415 1969
1416 $_->change_map_light ($change) 1970 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1971
1972 $self->do_decay_objects;
1418} 1973}
1419 1974
1420sub unlink_save { 1975sub unlink_save {
1421 my ($self) = @_; 1976 my ($self) = @_;
1422 1977
… …
1427 1982
1428sub load_header_from($) { 1983sub load_header_from($) {
1429 my ($self, $path) = @_; 1984 my ($self, $path) = @_;
1430 1985
1431 utf8::encode $path; 1986 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1987 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1988 or return;
1989
1990 $self->_load_header ($f)
1991 or return;
1992
1993 local $MAP_LOADING{$self->{path}} = $self;
1994 $f->resolve_delayed_derefs;
1437 1995
1438 $self->{load_path} = $path; 1996 $self->{load_path} = $path;
1439 1997
1440 1 1998 1
1441} 1999}
… …
1480 $self->load_header_orig 2038 $self->load_header_orig
1481 or return; 2039 or return;
1482 $self->prepare_orig; 2040 $self->prepare_orig;
1483 } 2041 }
1484 2042
2043 $self->{deny_reset} = 1
2044 if $self->no_reset;
2045
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2046 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2047 unless $self->default_region;
1487 2048
1488 1 2049 1
1489} 2050}
1490 2051
1491sub find; 2052sub find;
1492sub find { 2053sub find {
1493 my ($path, $origin) = @_; 2054 my ($path, $origin) = @_;
1494 2055
2056 cf::cede_to_tick;
2057
1495 $path = normalise $path, $origin && $origin->path; 2058 $path = normalise $path, $origin && $origin->path;
1496 2059
2060 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2061 my $guard2 = cf::lock_acquire "map_find:$path";
1498 2062
1499 $cf::MAP{$path} || do { 2063 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 2064 my $map = new_from_path cf::map $path
1502 or return; 2065 or return;
1503 2066
1504 $map->{last_save} = $cf::RUNTIME; 2067 $map->{last_save} = $cf::RUNTIME;
1505 2068
1506 $map->load_header 2069 $map->load_header
1507 or return; 2070 or return;
1508 2071
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2072 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2073 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2074 #$cf::WAIT_FOR_TICK->wait;
2075 undef $guard2;
2076 undef $guard1;
1512 $map->reset; 2077 $map->reset;
1513 undef $guard;
1514 return find $path; 2078 return find $path;
1515 } 2079 }
1516 2080
1517 $cf::MAP{$path} = $map 2081 $cf::MAP{$path} = $map
1518 } 2082 }
1519} 2083}
1520 2084
1521sub pre_load { } 2085sub pre_load { }
1522sub post_load { } 2086#sub post_load { } # XS
1523 2087
1524sub load { 2088sub load {
1525 my ($self) = @_; 2089 my ($self) = @_;
1526 2090
1527 local $self->{deny_reset} = 1; # loading can take a long time 2091 local $self->{deny_reset} = 1; # loading can take a long time
1528 2092
1529 my $path = $self->{path}; 2093 my $path = $self->{path};
1530 2094
1531 { 2095 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2096 my $guard = cf::lock_acquire "map_data:$path";
1533 2097
2098 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2099 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2100
1536 $self->in_memory (cf::MAP_LOADING); 2101 $self->in_memory (cf::MAP_LOADING);
1537 2102
1538 $self->alloc; 2103 $self->alloc;
1539 2104
1540 $self->pre_load; 2105 $self->pre_load;
1541 Coro::cede; 2106 cf::cede_to_tick;
1542 2107
2108 my $f = new_from_file cf::object::thawer $self->{load_path};
2109 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2110 $self->_load_objects ($f)
1544 or return; 2111 or return;
1545 2112
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2113 $self->post_load_original
1547 if delete $self->{load_original}; 2114 if delete $self->{load_original};
1548 2115
1549 if (my $uniq = $self->uniq_path) { 2116 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2117 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2118 unless (aio_stat $uniq) {
2119 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2120 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2121 $self->_load_objects ($f);
2122 $f->resolve_delayed_derefs;
2123 }
1554 } 2124 }
1555 } 2125 }
1556 2126
1557 Coro::cede; 2127 $f->resolve_delayed_derefs;
2128
2129 cf::cede_to_tick;
1558 # now do the right thing for maps 2130 # now do the right thing for maps
1559 $self->link_multipart_objects; 2131 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2132 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2133 unless $self->difficulty;
1562 Coro::cede; 2134 cf::cede_to_tick;
1563 2135
1564 unless ($self->{deny_activate}) { 2136 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2137 $self->decay_objects;
1566 $self->fix_auto_apply; 2138 $self->fix_auto_apply;
1567 $self->update_buttons; 2139 $self->update_buttons;
1568 Coro::cede; 2140 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2141 $self->activate;
1572 } 2142 }
1573 2143
2144 $self->{last_save} = $cf::RUNTIME;
2145 $self->last_access ($cf::RUNTIME);
2146
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2147 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2148 }
1576 2149
1577 $self->post_load; 2150 $self->post_load;
1578} 2151}
1579 2152
2153# customize the map for a given player, i.e.
2154# return the _real_ map. used by e.g. per-player
2155# maps to change the path to ~playername/mappath
1580sub customise_for { 2156sub customise_for {
1581 my ($self, $ob) = @_; 2157 my ($self, $ob) = @_;
1582 2158
1583 return find "~" . $ob->name . "/" . $self->{path} 2159 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2160 if $self->per_player;
1585 2161
2162# return find "?party/" . $ob->name . "/" . $self->{path}
2163# if $self->per_party;
2164
1586 $self 2165 $self
1587} 2166}
1588 2167
1589# find and load all maps in the 3x3 area around a map 2168# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2169sub load_neighbours {
1591 my ($map) = @_; 2170 my ($map) = @_;
1592 2171
1593 my @diag; # diagonal neighbours 2172 my @neigh; # diagonal neighbours
1594 2173
1595 for (0 .. 3) { 2174 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2175 my $neigh = $map->tile_path ($_)
1597 or next; 2176 or next;
1598 $neigh = find $neigh, $map 2177 $neigh = find $neigh, $map
1599 or next; 2178 or next;
1600 $neigh->load; 2179 $neigh->load;
1601 2180
2181 # now find the diagonal neighbours
2182 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2183 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2184 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2185 }
1605 2186
1606 for (@diag) { 2187 for (grep defined $_->[0], @neigh) {
2188 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2189 my $neigh = find $path, $origin
1608 or next; 2190 or next;
1609 $neigh->load; 2191 $neigh->load;
1610 } 2192 }
1611} 2193}
1612 2194
1613sub find_sync { 2195sub find_sync {
1614 my ($path, $origin) = @_; 2196 my ($path, $origin) = @_;
1615 2197
1616 cf::sync_job { find $path, $origin } 2198 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2199 if $Coro::current == $Coro::main;
2200
2201 find $path, $origin
1617} 2202}
1618 2203
1619sub do_load_sync { 2204sub do_load_sync {
1620 my ($map) = @_; 2205 my ($map) = @_;
1621 2206
1622 cf::sync_job { $map->load }; 2207 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2208 if $Coro::current == $Coro::main;
2209
2210 $map->load;
1623} 2211}
1624 2212
1625our %MAP_PREFETCH; 2213our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2214our $MAP_PREFETCHER = undef;
1627 2215
1628sub find_async { 2216sub find_async {
1629 my ($path, $origin) = @_; 2217 my ($path, $origin, $load) = @_;
1630 2218
1631 $path = normalise $path, $origin && $origin->{path}; 2219 $path = normalise $path, $origin && $origin->{path};
1632 2220
1633 if (my $map = $cf::MAP{$path}) { 2221 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2222 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2223 }
1636 2224
1637 undef $MAP_PREFETCH{$path}; 2225 $MAP_PREFETCH{$path} |= $load;
2226
1638 $MAP_PREFETCHER ||= cf::async { 2227 $MAP_PREFETCHER ||= cf::async {
2228 $Coro::current->{desc} = "map prefetcher";
2229
1639 while (%MAP_PREFETCH) { 2230 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2231 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2232 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2233 $map->load if $v;
2234 }
1644 2235
1645 delete $MAP_PREFETCH{$path}; 2236 delete $MAP_PREFETCH{$k};
1646 } 2237 }
1647 } 2238 }
1648 undef $MAP_PREFETCHER; 2239 undef $MAP_PREFETCHER;
1649 }; 2240 };
1650 $MAP_PREFETCHER->prio (6); 2241 $MAP_PREFETCHER->prio (6);
1651 2242
1652 () 2243 ()
1653} 2244}
1654 2245
2246# common code, used by both ->save and ->swapout
1655sub save { 2247sub _save {
1656 my ($self) = @_; 2248 my ($self) = @_;
1657
1658 my $lock = cf::lock_acquire "map_data:" . $self->path;
1659 2249
1660 $self->{last_save} = $cf::RUNTIME; 2250 $self->{last_save} = $cf::RUNTIME;
1661 2251
1662 return unless $self->dirty; 2252 return unless $self->dirty;
1663 2253
… …
1669 return if $self->{deny_save}; 2259 return if $self->{deny_save};
1670 2260
1671 local $self->{last_access} = $self->last_access;#d# 2261 local $self->{last_access} = $self->last_access;#d#
1672 2262
1673 cf::async { 2263 cf::async {
2264 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2265 $_->contr->save for $self->players;
1675 }; 2266 };
2267
2268 cf::get_slot 0.02;
1676 2269
1677 if ($uniq) { 2270 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2271 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2272 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2273 } else {
1681 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2274 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682 } 2275 }
1683} 2276}
1684 2277
2278sub save {
2279 my ($self) = @_;
2280
2281 my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
2283 $self->_save;
2284}
2285
1685sub swap_out { 2286sub swap_out {
1686 my ($self) = @_; 2287 my ($self) = @_;
1687 2288
1688 # save first because save cedes
1689 $self->save;
1690
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2289 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2290
2291 return if $self->in_memory != cf::MAP_ACTIVE;
2292 return if $self->{deny_save};
1693 return if $self->players; 2293 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save};
1696 2294
2295 # first deactivate the map and "unlink" it from the core
2296 $self->deactivate;
2297 $_->clear_links_to ($self) for values %cf::MAP;
2298 $self->in_memory (cf::MAP_SWAPPED);
2299
2300 # then atomically save
2301 $self->_save;
2302
2303 # then free the map
1697 $self->clear; 2304 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2305}
1700 2306
1701sub reset_at { 2307sub reset_at {
1702 my ($self) = @_; 2308 my ($self) = @_;
1703 2309
1704 # TODO: safety, remove and allow resettable per-player maps 2310 # 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}; 2311 return 1e99 if $self->{deny_reset};
1707 2312
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2313 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2314 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2315
… …
1721 my ($self) = @_; 2326 my ($self) = @_;
1722 2327
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2328 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2329
1725 return if $self->players; 2330 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2331
1728 warn "resetting map ", $self->path;#d# 2332 cf::trace "resetting map ", $self->path, "\n";
1729 2333
1730 $self->in_memory (cf::MAP_SWAPPED); 2334 $self->in_memory (cf::MAP_SWAPPED);
1731 2335
1732 # need to save uniques path 2336 # need to save uniques path
1733 unless ($self->{deny_save}) { 2337 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2341 if $uniq;
1738 } 2342 }
1739 2343
1740 delete $cf::MAP{$self->path}; 2344 delete $cf::MAP{$self->path};
1741 2345
2346 $self->deactivate;
2347 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2348 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2349
1746 $self->unlink_save; 2350 $self->unlink_save;
1747 $self->destroy; 2351 $self->destroy;
1748} 2352}
1749 2353
1750my $nuke_counter = "aaaa"; 2354my $nuke_counter = "aaaa";
1751 2355
1752sub nuke { 2356sub nuke {
1753 my ($self) = @_; 2357 my ($self) = @_;
1754 2358
2359 {
2360 my $lock = cf::lock_acquire "map_data:$self->{path}";
2361
1755 delete $cf::MAP{$self->path}; 2362 delete $cf::MAP{$self->path};
1756 2363
1757 $self->unlink_save; 2364 $self->unlink_save;
1758 2365
1759 bless $self, "cf::map"; 2366 bless $self, "cf::map::wrap";
1760 delete $self->{deny_reset}; 2367 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2368 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2369 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2370 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2371
1765 $cf::MAP{$self->path} = $self; 2372 $cf::MAP{$self->path} = $self;
2373 }
1766 2374
1767 $self->reset; # polite request, might not happen 2375 $self->reset; # polite request, might not happen
2376}
2377
2378=item $maps = cf::map::tmp_maps
2379
2380Returns an arrayref with all map paths of currently instantiated and saved
2381maps. May block.
2382
2383=cut
2384
2385sub tmp_maps() {
2386 [
2387 map {
2388 utf8::decode $_;
2389 /\.map$/
2390 ? normalise $_
2391 : ()
2392 } @{ aio_readdir $TMPDIR or [] }
2393 ]
2394}
2395
2396=item $maps = cf::map::random_maps
2397
2398Returns an arrayref with all map paths of currently instantiated and saved
2399random maps. May block.
2400
2401=cut
2402
2403sub random_maps() {
2404 [
2405 map {
2406 utf8::decode $_;
2407 /\.map$/
2408 ? normalise "?random/$_"
2409 : ()
2410 } @{ aio_readdir $RANDOMDIR or [] }
2411 ]
1768} 2412}
1769 2413
1770=item cf::map::unique_maps 2414=item cf::map::unique_maps
1771 2415
1772Returns an arrayref of paths of all shared maps that have 2416Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2417instantiated unique items. May block.
1774 2418
1775=cut 2419=cut
1776 2420
1777sub unique_maps() { 2421sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2422 [
1779 or return; 2423 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2424 utf8::decode $_;
1785 next if /\.pst$/; 2425 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2426 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2427 ? ()
1788 push @paths, cf::map::normalise $_; 2428 : normalise $_
2429 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2430 ]
1790
1791 \@paths
1792} 2431}
1793 2432
1794package cf; 2433=item cf::map::static_maps
2434
2435Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2436file in the shared directory excluding F</styles> and F</editor>). May
2437block.
2438
2439=cut
2440
2441sub static_maps() {
2442 my @dirs = "";
2443 my @maps;
2444
2445 while (@dirs) {
2446 my $dir = shift @dirs;
2447
2448 next if $dir eq "/styles" || $dir eq "/editor";
2449
2450 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2451 or return;
2452
2453 for (@$files) {
2454 s/\.map$// or next;
2455 utf8::decode $_;
2456 push @maps, "$dir/$_";
2457 }
2458
2459 push @dirs, map "$dir/$_", @$dirs;
2460 }
2461
2462 \@maps
2463}
1795 2464
1796=back 2465=back
1797 2466
1798=head3 cf::object 2467=head3 cf::object
1799 2468
… …
1803 2472
1804=over 4 2473=over 4
1805 2474
1806=item $ob->inv_recursive 2475=item $ob->inv_recursive
1807 2476
1808Returns the inventory of the object _and_ their inventories, recursively. 2477Returns the inventory of the object I<and> their inventories, recursively,
2478but I<not> the object itself.
1809 2479
1810=cut 2480=cut
1811 2481
1812sub inv_recursive_; 2482sub inv_recursive_;
1813sub inv_recursive_ { 2483sub inv_recursive_ {
… …
1816 2486
1817sub inv_recursive { 2487sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2488 inv_recursive_ inv $_[0]
1819} 2489}
1820 2490
2491=item $ref = $ob->ref
2492
2493Creates and returns a persistent reference to an object that can be stored as a string.
2494
2495=item $ob = cf::object::deref ($refstring)
2496
2497returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2498even if the object actually exists. May block.
2499
2500=cut
2501
2502sub deref {
2503 my ($ref) = @_;
2504
2505 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2506 my ($uuid, $name) = ($1, $2);
2507 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2508 or return;
2509 $pl->ob->uuid eq $uuid
2510 or return;
2511
2512 $pl->ob
2513 } else {
2514 warn "$ref: cannot resolve object reference\n";
2515 undef
2516 }
2517}
2518
1821package cf; 2519package cf;
1822 2520
1823=back 2521=back
1824 2522
1825=head3 cf::object::player 2523=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2529Sends 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 2530can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2531dialogue with the given NPC character.
1834 2532
1835=cut 2533=cut
2534
2535our $SAY_CHANNEL = {
2536 id => "say",
2537 title => "Map",
2538 reply => "say ",
2539 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2540};
2541
2542our $CHAT_CHANNEL = {
2543 id => "chat",
2544 title => "Chat",
2545 reply => "chat ",
2546 tooltip => "Player chat and shouts, global to the server.",
2547};
1836 2548
1837# rough implementation of a future "reply" method that works 2549# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2550# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2551#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2552sub cf::object::player::reply($$$;$) {
… …
1842 2554
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2555 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2556
1845 if ($self->{record_replies}) { 2557 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2558 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2559
1847 } else { 2560 } else {
2561 my $pl = $self->contr;
2562
2563 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2564 my $dialog = $pl->{npc_dialog};
2565 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2566
2567 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2568 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2569 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2570 }
1850 } 2571 }
2572}
2573
2574=item $object->send_msg ($channel, $msg, $color, [extra...])
2575
2576=cut
2577
2578sub cf::object::send_msg {
2579 my $pl = shift->contr
2580 or return;
2581 $pl->send_msg (@_);
1851} 2582}
1852 2583
1853=item $player_object->may ("access") 2584=item $player_object->may ("access")
1854 2585
1855Returns wether the given player is authorized to access resource "access" 2586Returns wether the given player is authorized to access resource "access"
… …
1868 2599
1869=item $player_object->enter_link 2600=item $player_object->enter_link
1870 2601
1871Freezes the player and moves him/her to a special map (C<{link}>). 2602Freezes the player and moves him/her to a special map (C<{link}>).
1872 2603
1873The player should be reasonably safe there for short amounts of time. You 2604The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2605for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2606though, as the player cannot control the character while it is on the link
2607map.
1875 2608
1876Will never block. 2609Will never block.
1877 2610
1878=item $player_object->leave_link ($map, $x, $y) 2611=item $player_object->leave_link ($map, $x, $y)
1879 2612
… …
1899sub cf::object::player::enter_link { 2632sub cf::object::player::enter_link {
1900 my ($self) = @_; 2633 my ($self) = @_;
1901 2634
1902 $self->deactivate_recursive; 2635 $self->deactivate_recursive;
1903 2636
2637 ++$self->{_link_recursion};
2638
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2639 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2640
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2641 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2642 if $self->map && $self->map->{path} ne "{link}";
1908 2643
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2644 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1910} 2645}
1911 2646
1912sub cf::object::player::leave_link { 2647sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2648 my ($self, $map, $x, $y) = @_;
2649
2650 return unless $self->contr->active;
1914 2651
1915 my $link_pos = delete $self->{_link_pos}; 2652 my $link_pos = delete $self->{_link_pos};
1916 2653
1917 unless ($map) { 2654 unless ($map) {
1918 # restore original map position 2655 # restore original map position
… …
1929 ($x, $y) = (-1, -1) 2666 ($x, $y) = (-1, -1)
1930 unless (defined $x) && (defined $y); 2667 unless (defined $x) && (defined $y);
1931 2668
1932 # use -1 or undef as default coordinates, not 0, 0 2669 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2670 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2671 if $x <= 0 && $y <= 0;
1935 2672
1936 $map->load; 2673 $map->load;
1937 $map->load_diag; 2674 $map->load_neighbours;
1938 2675
1939 return unless $self->contr->active; 2676 return unless $self->contr->active;
1940 $self->activate_recursive;
1941 2677
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2678 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2679 if ($self->enter_map ($map, $x, $y)) {
1944} 2680 # entering was successful
1945 2681 delete $self->{_link_recursion};
1946cf::player->attach ( 2682 # only activate afterwards, to support waiting in hooks
1947 on_logout => sub { 2683 $self->activate_recursive;
1948 my ($pl) = @_;
1949
1950 # abort map switching before logout
1951 if ($pl->ob->{_link_pos}) {
1952 cf::sync_job {
1953 $pl->ob->leave_link
1954 };
1955 }
1956 }, 2684 }
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2685
1960 # try to abort aborted map switching on player login :) 2686}
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 2687
1978=item $player_object->goto ($path, $x, $y) 2688=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1979 2689
2690Moves the player to the given map-path and coordinates by first freezing
2691her, loading and preparing them map, calling the provided $check callback
2692that has to return the map if sucecssful, and then unfreezes the player on
2693the new (success) or old (failed) map position. In either case, $done will
2694be called at the end of this process.
2695
2696Note that $check will be called with a potentially non-loaded map, so if
2697it needs a loaded map it has to call C<< ->load >>.
2698
1980=cut 2699=cut
2700
2701our $GOTOGEN;
1981 2702
1982sub cf::object::player::goto { 2703sub cf::object::player::goto {
1983 my ($self, $path, $x, $y) = @_; 2704 my ($self, $path, $x, $y, $check, $done) = @_;
2705
2706 if ($self->{_link_recursion} >= $MAX_LINKS) {
2707 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2708 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2709 ($path, $x, $y) = @$EMERGENCY_POSITION;
2710 }
2711
2712 # do generation counting so two concurrent goto's will be executed in-order
2713 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984 2714
1985 $self->enter_link; 2715 $self->enter_link;
1986 2716
1987 (async { 2717 (async {
2718 $Coro::current->{desc} = "player::goto $path $x $y";
2719
2720 # *tag paths override both path and x|y
2721 if ($path =~ /^\*(.*)$/) {
2722 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2723 my $ob = $obs[rand @obs];
2724
2725 # see if we actually can go there
2726 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2727 $ob = $obs[rand @obs];
2728 } else {
2729 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2730 }
2731 # else put us there anyways for now #d#
2732
2733 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2734 } else {
2735 ($path, $x, $y) = (undef, undef, undef);
2736 }
2737 }
2738
1988 my $map = eval { 2739 my $map = eval {
1989 my $map = cf::map::find $path; 2740 my $map = defined $path ? cf::map::find $path : undef;
2741
2742 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2743 $map = $map->customise_for ($self);
2744 $map = $check->($map, $x, $y, $self) if $check && $map;
2745 } else {
2746 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2747 }
2748
1991 $map 2749 $map
2750 };
2751
2752 if ($@) {
2753 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2754 LOG llevError | logBacktrace, Carp::longmess $@;
1992 } or 2755 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2756
2757 if ($gen == $self->{_goto_generation}) {
2758 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2759 $self->leave_link ($map, $x, $y);
2760 }
2761
2762 $done->($self) if $done;
1996 })->prio (1); 2763 })->prio (1);
1997} 2764}
1998 2765
1999=item $player_object->enter_exit ($exit_object) 2766=item $player_object->enter_exit ($exit_object)
2000 2767
… …
2020} 2787}
2021 2788
2022sub prepare_random_map { 2789sub prepare_random_map {
2023 my ($exit) = @_; 2790 my ($exit) = @_;
2024 2791
2025 my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027 # all this does is basically replace the /! path by 2792 # all this does is basically replace the /! path by
2028 # a new random map path (?random/...) with a seed 2793 # a new random map path (?random/...) with a seed
2029 # that depends on the exit object 2794 # that depends on the exit object
2030 2795
2031 my $rmp = parse_random_map_params $exit->msg; 2796 my $rmp = parse_random_map_params $exit->msg;
… …
2033 if ($exit->map) { 2798 if ($exit->map) {
2034 $rmp->{region} = $exit->region->name; 2799 $rmp->{region} = $exit->region->name;
2035 $rmp->{origin_map} = $exit->map->path; 2800 $rmp->{origin_map} = $exit->map->path;
2036 $rmp->{origin_x} = $exit->x; 2801 $rmp->{origin_x} = $exit->x;
2037 $rmp->{origin_y} = $exit->y; 2802 $rmp->{origin_y} = $exit->y;
2803
2804 $exit->map->touch;
2038 } 2805 }
2039 2806
2040 $rmp->{random_seed} ||= $exit->random_seed; 2807 $rmp->{random_seed} ||= $exit->random_seed;
2041 2808
2042 my $data = cf::to_json $rmp; 2809 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043 my $md5 = Digest::MD5::md5_hex $data; 2810 my $md5 = Digest::MD5::md5_hex $data;
2044 my $meta = "$RANDOMDIR/$md5.meta"; 2811 my $meta = "$RANDOMDIR/$md5.meta";
2045 2812
2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2813 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047 aio_write $fh, 0, (length $data), $data, 0; 2814 aio_write $fh, 0, (length $data), $data, 0;
2048 undef $fh; 2815 undef $fh;
2049 aio_rename "$meta~", $meta; 2816 aio_rename "$meta~", $meta;
2050 2817
2818 my $slaying = "?random/$md5";
2819
2820 if ($exit->valid) {
2051 $exit->slaying ("?random/$md5"); 2821 $exit->slaying ("?random/$md5");
2052 $exit->msg (undef); 2822 $exit->msg (undef);
2823 }
2053 } 2824 }
2054} 2825}
2055 2826
2056sub cf::object::player::enter_exit { 2827sub cf::object::player::enter_exit {
2057 my ($self, $exit) = @_; 2828 my ($self, $exit) = @_;
2058 2829
2059 return unless $self->type == cf::PLAYER; 2830 return unless $self->type == cf::PLAYER;
2060 2831
2061 if ($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; 2832 $self->enter_link;
2073 2833
2074 (async { 2834 (async {
2075 $self->deactivate_recursive; # just to be sure 2835 $Coro::current->{desc} = "enter_exit";
2836
2076 unless (eval { 2837 unless (eval {
2838 $self->deactivate_recursive; # just to be sure
2839
2840 # random map handling
2841 {
2842 my $guard = cf::lock_acquire "exit_prepare:$exit";
2843
2844 prepare_random_map $exit
2845 if $exit->slaying eq "/!";
2846 }
2847
2848 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2849 my $x = $exit->stats->hp;
2850 my $y = $exit->stats->sp;
2851
2077 $self->goto ($slaying, $hp, $sp); 2852 $self->goto ($map, $x, $y);
2078 2853
2854 # if exit is damned, update players death & WoR home-position
2855 $self->contr->savebed ($map, $x, $y)
2856 if $exit->flag (cf::FLAG_DAMNED);
2857
2079 1; 2858 1
2080 }) { 2859 }) {
2081 $self->message ("Something went wrong deep within the crossfire server. " 2860 $self->message ("Something went wrong deep within the deliantra server. "
2082 . "I'll try to bring you back to the map you were before. " 2861 . "I'll try to bring you back to the map you were before. "
2083 . "Please report this to the dungeon master!", 2862 . "Please report this to the dungeon master!",
2084 cf::NDI_UNIQUE | cf::NDI_RED); 2863 cf::NDI_UNIQUE | cf::NDI_RED);
2085 2864
2086 warn "ERROR in enter_exit: $@"; 2865 error "ERROR in enter_exit: $@";
2087 $self->leave_link; 2866 $self->leave_link;
2088 } 2867 }
2089 })->prio (1); 2868 })->prio (1);
2090} 2869}
2091 2870
… …
2105 2884
2106 utf8::encode $text; 2885 utf8::encode $text;
2107 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2886 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108} 2887}
2109 2888
2889=item $client->send_big_packet ($pkt)
2890
2891Like C<send_packet>, but tries to compress large packets, and fragments
2892them as required.
2893
2894=cut
2895
2896our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2897
2898sub cf::client::send_big_packet {
2899 my ($self, $pkt) = @_;
2900
2901 # try lzf for large packets
2902 $pkt = "lzf " . Compress::LZF::compress $pkt
2903 if 1024 <= length $pkt and $self->{can_lzf};
2904
2905 # split very large packets
2906 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2907 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2908 $pkt = "frag";
2909 }
2910
2911 $self->send_packet ($pkt);
2912}
2913
2914=item $client->send_msg ($channel, $msg, $color, [extra...])
2915
2916Send a drawinfo or msg packet to the client, formatting the msg for the
2917client if neccessary. C<$type> should be a string identifying the type of
2918the message, with C<log> being the default. If C<$color> is negative, suppress
2919the message unless the client supports the msg packet.
2920
2921=cut
2922
2923# non-persistent channels (usually the info channel)
2924our %CHANNEL = (
2925 "c/motd" => {
2926 id => "infobox",
2927 title => "MOTD",
2928 reply => undef,
2929 tooltip => "The message of the day",
2930 },
2931 "c/identify" => {
2932 id => "infobox",
2933 title => "Identify",
2934 reply => undef,
2935 tooltip => "Items recently identified",
2936 },
2937 "c/examine" => {
2938 id => "infobox",
2939 title => "Examine",
2940 reply => undef,
2941 tooltip => "Signs and other items you examined",
2942 },
2943 "c/shopinfo" => {
2944 id => "infobox",
2945 title => "Shop Info",
2946 reply => undef,
2947 tooltip => "What your bargaining skill tells you about the shop",
2948 },
2949 "c/book" => {
2950 id => "infobox",
2951 title => "Book",
2952 reply => undef,
2953 tooltip => "The contents of a note or book",
2954 },
2955 "c/lookat" => {
2956 id => "infobox",
2957 title => "Look",
2958 reply => undef,
2959 tooltip => "What you saw there",
2960 },
2961 "c/who" => {
2962 id => "infobox",
2963 title => "Players",
2964 reply => undef,
2965 tooltip => "Shows players who are currently online",
2966 },
2967 "c/body" => {
2968 id => "infobox",
2969 title => "Body Parts",
2970 reply => undef,
2971 tooltip => "Shows which body parts you posess and are available",
2972 },
2973 "c/statistics" => {
2974 id => "infobox",
2975 title => "Statistics",
2976 reply => undef,
2977 tooltip => "Shows your primary statistics",
2978 },
2979 "c/skills" => {
2980 id => "infobox",
2981 title => "Skills",
2982 reply => undef,
2983 tooltip => "Shows your experience per skill and item power",
2984 },
2985 "c/shopitems" => {
2986 id => "infobox",
2987 title => "Shop Items",
2988 reply => undef,
2989 tooltip => "Shows the items currently for sale in this shop",
2990 },
2991 "c/resistances" => {
2992 id => "infobox",
2993 title => "Resistances",
2994 reply => undef,
2995 tooltip => "Shows your resistances",
2996 },
2997 "c/pets" => {
2998 id => "infobox",
2999 title => "Pets",
3000 reply => undef,
3001 tooltip => "Shows information abotu your pets/a specific pet",
3002 },
3003 "c/perceiveself" => {
3004 id => "infobox",
3005 title => "Perceive Self",
3006 reply => undef,
3007 tooltip => "You gained detailed knowledge about yourself",
3008 },
3009 "c/uptime" => {
3010 id => "infobox",
3011 title => "Uptime",
3012 reply => undef,
3013 tooltip => "How long the server has been running since last restart",
3014 },
3015 "c/mapinfo" => {
3016 id => "infobox",
3017 title => "Map Info",
3018 reply => undef,
3019 tooltip => "Information related to the maps",
3020 },
3021 "c/party" => {
3022 id => "party",
3023 title => "Party",
3024 reply => "gsay ",
3025 tooltip => "Messages and chat related to your party",
3026 },
3027 "c/death" => {
3028 id => "death",
3029 title => "Death",
3030 reply => undef,
3031 tooltip => "Reason for and more info about your most recent death",
3032 },
3033 "c/say" => $SAY_CHANNEL,
3034 "c/chat" => $CHAT_CHANNEL,
3035);
3036
3037sub cf::client::send_msg {
3038 my ($self, $channel, $msg, $color, @extra) = @_;
3039
3040 $msg = $self->pl->expand_cfpod ($msg)
3041 unless $color & cf::NDI_VERBATIM;
3042
3043 $color &= cf::NDI_CLIENT_MASK; # just in case...
3044
3045 # check predefined channels, for the benefit of C
3046 if ($CHANNEL{$channel}) {
3047 $channel = $CHANNEL{$channel};
3048
3049 $self->ext_msg (channel_info => $channel);
3050 $channel = $channel->{id};
3051
3052 } elsif (ref $channel) {
3053 # send meta info to client, if not yet sent
3054 unless (exists $self->{channel}{$channel->{id}}) {
3055 $self->{channel}{$channel->{id}} = $channel;
3056 $self->ext_msg (channel_info => $channel);
3057 }
3058
3059 $channel = $channel->{id};
3060 }
3061
3062 return unless @extra || length $msg;
3063
3064 # default colour, mask it out
3065 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3066 if $color & cf::NDI_DEF;
3067
3068 my $pkt = "msg "
3069 . $self->{json_coder}->encode (
3070 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3071 );
3072
3073 $self->send_big_packet ($pkt);
3074}
3075
2110=item $client->ext_event ($type, %msg) 3076=item $client->ext_msg ($type, @msg)
2111 3077
2112Sends an exti event to the client. 3078Sends an ext event to the client.
2113 3079
2114=cut 3080=cut
2115 3081
2116sub cf::client::ext_event($$%) { 3082sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 3083 my ($self, $type, @msg) = @_;
2118 3084
3085 if ($self->extcmd == 2) {
3086 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3087 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 3088 push @msg, msgtype => "event_$type";
2120 $self->send_packet ("ext " . cf::to_json \%msg); 3089 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3090 }
3091}
3092
3093=item $client->ext_reply ($msgid, @msg)
3094
3095Sends an ext reply to the client.
3096
3097=cut
3098
3099sub cf::client::ext_reply($$@) {
3100 my ($self, $id, @msg) = @_;
3101
3102 if ($self->extcmd == 2) {
3103 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3104 } elsif ($self->extcmd == 1) {
3105 #TODO: version 1, remove
3106 unshift @msg, msgtype => "reply", msgid => $id;
3107 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3108 }
2121} 3109}
2122 3110
2123=item $success = $client->query ($flags, "text", \&cb) 3111=item $success = $client->query ($flags, "text", \&cb)
2124 3112
2125Queues a query to the client, calling the given callback with 3113Queues a query to the client, calling the given callback with
2126the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3114the 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>. 3115C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128 3116
2129Queries can fail, so check the return code. Or don't, as queries will become 3117Queries can fail, so check the return code. Or don't, as queries will
2130reliable at some point in the future. 3118become reliable at some point in the future.
2131 3119
2132=cut 3120=cut
2133 3121
2134sub cf::client::query { 3122sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 3123 my ($self, $flags, $text, $cb) = @_;
… …
2143 utf8::encode $text; 3131 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3132 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 3133
2146 $self->send_packet ($self->{query_queue}[0][0]) 3134 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 3135 if @{ $self->{query_queue} } == 1;
3136
3137 1
2148} 3138}
2149 3139
2150cf::client->attach ( 3140cf::client->attach (
3141 on_connect => sub {
3142 my ($ns) = @_;
3143
3144 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3145 },
2151 on_reply => sub { 3146 on_reply => sub {
2152 my ($ns, $msg) = @_; 3147 my ($ns, $msg) = @_;
2153 3148
2154 # this weird shuffling is so that direct followup queries 3149 # this weird shuffling is so that direct followup queries
2155 # get handled first 3150 # get handled first
… …
2167 } else { 3162 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 3164 }
2170 } 3165 }
2171 }, 3166 },
3167 on_exticmd => sub {
3168 my ($ns, $buf) = @_;
3169
3170 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3171
3172 if (ref $msg) {
3173 my ($type, $reply, @payload) =
3174 "ARRAY" eq ref $msg
3175 ? @$msg
3176 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3177
3178 my @reply;
3179
3180 if (my $cb = $EXTICMD{$type}) {
3181 @reply = $cb->($ns, @payload);
3182 }
3183
3184 $ns->ext_reply ($reply, @reply)
3185 if $reply;
3186
3187 } else {
3188 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3189 }
3190
3191 cf::override;
3192 },
2172); 3193);
2173 3194
2174=item $client->async (\&cb) 3195=item $client->async (\&cb)
2175 3196
2176Create a new coroutine, running the specified callback. The coroutine will 3197Create a new coroutine, running the specified callback. The coroutine will
… …
2192 3213
2193 $coro 3214 $coro
2194} 3215}
2195 3216
2196cf::client->attach ( 3217cf::client->attach (
2197 on_destroy => sub { 3218 on_client_destroy => sub {
2198 my ($ns) = @_; 3219 my ($ns) = @_;
2199 3220
2200 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3221 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201 }, 3222 },
2202); 3223);
… …
2217our $safe = new Safe "safe"; 3238our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 3239our $safe_hole = new Safe::Hole;
2219 3240
2220$SIG{FPE} = 'IGNORE'; 3241$SIG{FPE} = 'IGNORE';
2221 3242
2222$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3243$safe->permit_only (Opcode::opset qw(
3244 :base_core :base_mem :base_orig :base_math :base_loop
3245 grepstart grepwhile mapstart mapwhile
3246 sort time
3247));
2223 3248
2224# here we export the classes and methods available to script code 3249# here we export the classes and methods available to script code
2225 3250
2226=pod 3251=pod
2227 3252
2228The following functions and methods are available within a safe environment: 3253The following functions and methods are available within a safe environment:
2229 3254
2230 cf::object contr pay_amount pay_player map 3255 cf::object
3256 contr pay_amount pay_player map x y force_find force_add destroy
3257 insert remove name archname title slaying race decrease split
3258 value
3259
2231 cf::object::player player 3260 cf::object::player
2232 cf::player peaceful 3261 player
2233 cf::map trigger 3262
3263 cf::player
3264 peaceful
3265
3266 cf::map
3267 trigger
2234 3268
2235=cut 3269=cut
2236 3270
2237for ( 3271for (
2238 ["cf::object" => qw(contr pay_amount pay_player map)], 3272 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3273 insert remove inv nrof name archname title slaying race
3274 decrease split destroy change_exp value msg lore send_msg)],
2239 ["cf::object::player" => qw(player)], 3275 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 3276 ["cf::player" => qw(peaceful send_msg)],
2241 ["cf::map" => qw(trigger)], 3277 ["cf::map" => qw(trigger)],
2242) { 3278) {
2243 no strict 'refs';
2244 my ($pkg, @funs) = @$_; 3279 my ($pkg, @funs) = @$_;
2245 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3280 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2246 for @funs; 3281 for @funs;
2247} 3282}
2248 3283
… …
2263 3298
2264 my $qcode = $code; 3299 my $qcode = $code;
2265 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3300 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2266 $qcode =~ s/\n/\\n/g; 3301 $qcode =~ s/\n/\\n/g;
2267 3302
3303 %vars = (_dummy => 0) unless %vars;
3304
3305 my @res;
2268 local $_; 3306 local $_;
2269 local @safe::cf::_safe_eval_args = values %vars;
2270 3307
2271 my $eval = 3308 my $eval =
2272 "do {\n" 3309 "do {\n"
2273 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3310 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274 . "#line 0 \"{$qcode}\"\n" 3311 . "#line 0 \"{$qcode}\"\n"
2275 . $code 3312 . $code
2276 . "\n}" 3313 . "\n}"
2277 ; 3314 ;
2278 3315
3316 if ($CFG{safe_eval}) {
2279 sub_generation_inc; 3317 sub_generation_inc;
3318 local @safe::cf::_safe_eval_args = values %vars;
2280 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3319 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281 sub_generation_inc; 3320 sub_generation_inc;
3321 } else {
3322 local @cf::_safe_eval_args = values %vars;
3323 @res = wantarray ? eval eval : scalar eval $eval;
3324 }
2282 3325
2283 if ($@) { 3326 if ($@) {
2284 warn "$@"; 3327 warn "$@",
2285 warn "while executing safe code '$code'\n"; 3328 "while executing safe code '$code'\n",
2286 warn "with arguments " . (join " ", %vars) . "\n"; 3329 "with arguments " . (join " ", %vars) . "\n";
2287 } 3330 }
2288 3331
2289 wantarray ? @res : $res[0] 3332 wantarray ? @res : $res[0]
2290} 3333}
2291 3334
… …
2305=cut 3348=cut
2306 3349
2307sub register_script_function { 3350sub register_script_function {
2308 my ($fun, $cb) = @_; 3351 my ($fun, $cb) = @_;
2309 3352
2310 no strict 'refs'; 3353 $fun = "safe::$fun" if $CFG{safe_eval};
2311 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3354 *$fun = $safe_hole->wrap ($cb);
2312} 3355}
2313 3356
2314=back 3357=back
2315 3358
2316=cut 3359=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 $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491 3360
2492############################################################################# 3361#############################################################################
2493# the server's init and main functions 3362# the server's init and main functions
2494 3363
2495sub load_facedata($) { 3364sub load_facedata($) {
2496 my ($path) = @_; 3365 my ($path) = @_;
2497 3366
3367 # HACK to clear player env face cache, we need some signal framework
3368 # for this (global event?)
3369 %ext::player_env::MUSIC_FACE_CACHE = ();
3370
3371 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3372
2498 warn "loading facedata from $path\n"; 3373 trace "loading facedata from $path\n";
2499 3374
2500 my $facedata; 3375 my $facedata;
2501 0 < aio_load $path, $facedata 3376 0 < aio_load $path, $facedata
2502 or die "$path: $!"; 3377 or die "$path: $!";
2503 3378
2504 $facedata = Coro::Storable::thaw $facedata; 3379 $facedata = Coro::Storable::thaw $facedata;
2505 3380
2506 $facedata->{version} == 2 3381 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3382 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 3383
3384 # patch in the exptable
3385 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3386 $facedata->{resource}{"res/exp_table"} = {
3387 type => FT_RSRC,
3388 data => $exp_table,
3389 hash => (Digest::MD5::md5 $exp_table),
3390 };
3391 cf::cede_to_tick;
3392
2509 { 3393 {
2510 my $faces = $facedata->{faceinfo}; 3394 my $faces = $facedata->{faceinfo};
2511 3395
2512 while (my ($face, $info) = each %$faces) { 3396 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3397 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3398
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3399 cf::face::set_visibility $idx, $info->{visibility};
3400 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3401 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3402 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517 Coro::cede; 3403
3404 cf::cede_to_tick;
2518 } 3405 }
2519 3406
2520 while (my ($face, $info) = each %$faces) { 3407 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3408 next unless $info->{smooth};
3409
2522 my $idx = cf::face::find $face 3410 my $idx = cf::face::find $face
2523 or next; 3411 or next;
3412
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3413 if (my $smooth = cf::face::find $info->{smooth}) {
3414 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3415 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3416 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3417 error "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3418 }
2529 Coro::cede; 3419
3420 cf::cede_to_tick;
2530 } 3421 }
2531 } 3422 }
2532 3423
2533 { 3424 {
2534 my $anims = $facedata->{animinfo}; 3425 my $anims = $facedata->{animinfo};
2535 3426
2536 while (my ($anim, $info) = each %$anims) { 3427 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3428 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3429 cf::cede_to_tick;
2539 } 3430 }
2540 3431
2541 cf::anim::invalidate_all; # d'oh 3432 cf::anim::invalidate_all; # d'oh
2542 } 3433 }
2543 3434
3435 {
3436 my $res = $facedata->{resource};
3437
3438 while (my ($name, $info) = each %$res) {
3439 if (defined $info->{type}) {
3440 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3441
3442 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3443 cf::face::set_type $idx, $info->{type};
3444 } else {
3445 $RESOURCE{$name} = $info; # unused
3446 }
3447
3448 cf::cede_to_tick;
3449 }
3450 }
3451
3452 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3453
2544 1 3454 1
2545} 3455}
2546 3456
3457register_exticmd fx_want => sub {
3458 my ($ns, $want) = @_;
3459
3460 while (my ($k, $v) = each %$want) {
3461 $ns->fx_want ($k, $v);
3462 }
3463};
3464
3465sub load_resource_file($) {
3466 my $guard = lock_acquire "load_resource_file";
3467
3468 my $status = load_resource_file_ $_[0];
3469 get_slot 0.1, 100;
3470 cf::arch::commit_load;
3471
3472 $status
3473}
3474
2547sub reload_regions { 3475sub reload_regions {
3476 # HACK to clear player env face cache, we need some signal framework
3477 # for this (global event?)
3478 %ext::player_env::MUSIC_FACE_CACHE = ();
3479
2548 load_resource_file "$MAPDIR/regions" 3480 load_resource_file "$MAPDIR/regions"
2549 or die "unable to load regions file\n"; 3481 or die "unable to load regions file\n";
3482
3483 for (cf::region::list) {
3484 $_->{match} = qr/$_->{match}/
3485 if exists $_->{match};
3486 }
2550} 3487}
2551 3488
2552sub reload_facedata { 3489sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3490 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3491 or die "unable to load facedata\n";
… …
2562sub reload_treasures { 3499sub reload_treasures {
2563 load_resource_file "$DATADIR/treasures" 3500 load_resource_file "$DATADIR/treasures"
2564 or die "unable to load treasurelists\n"; 3501 or die "unable to load treasurelists\n";
2565} 3502}
2566 3503
3504sub reload_exp {
3505 cf::init_experience;
3506}
3507
3508sub reload_sound {
3509 trace "loading sound config from $DATADIR/sound\n";
3510
3511 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3512 or die "$DATADIR/sound $!";
3513
3514 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3515
3516 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3517 my $sound = $soundconf->{compat}[$_]
3518 or next;
3519
3520 my $face = cf::face::find "sound/$sound->[1]";
3521 cf::sound::set $sound->[0] => $face;
3522 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3523 }
3524
3525 while (my ($k, $v) = each %{$soundconf->{event}}) {
3526 my $face = cf::face::find "sound/$v";
3527 cf::sound::set $k => $face;
3528 }
3529}
3530
2567sub reload_resources { 3531sub reload_resources {
2568 warn "reloading resource files...\n"; 3532 trace "reloading resource files...\n";
2569 3533
3534 reload_exp;
3535 reload_facedata;
3536 reload_sound;
3537 reload_archetypes;
2570 reload_regions; 3538 reload_regions;
2571 reload_facedata;
2572 reload_archetypes;
2573 reload_treasures; 3539 reload_treasures;
2574 3540
2575 warn "finished reloading resource files\n"; 3541 trace "finished reloading resource files\n";
2576} 3542}
2577 3543
2578sub init { 3544sub reload_config {
2579 reload_resources; 3545 trace "reloading config file...\n";
2580}
2581 3546
2582sub cfg_load {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3547 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3548 or return;
2585 3549
2586 local $/; 3550 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3551 *CFG = YAML::XS::Load scalar <$fh>;
2588 3552
2589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2590 3554
2591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3555 $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}; 3556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2593 3557
2594 if (exists $CFG{mlockall}) { 3558 if (exists $CFG{mlockall}) {
… …
2596 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3560 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2597 and die "WARNING: m(un)lockall failed: $!\n"; 3561 and die "WARNING: m(un)lockall failed: $!\n";
2598 }; 3562 };
2599 warn $@ if $@; 3563 warn $@ if $@;
2600 } 3564 }
3565
3566 trace "finished reloading resource files\n";
3567}
3568
3569sub pidfile() {
3570 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3571 or die "$PIDFILE: $!";
3572 flock $fh, &Fcntl::LOCK_EX
3573 or die "$PIDFILE: flock: $!";
3574 $fh
3575}
3576
3577# make sure only one server instance is running at any one time
3578sub atomic {
3579 my $fh = pidfile;
3580
3581 my $pid = <$fh>;
3582 kill 9, $pid if $pid > 0;
3583
3584 seek $fh, 0, 0;
3585 print $fh $$;
3586}
3587
3588sub main_loop {
3589 trace "EV::loop starting\n";
3590 if (1) {
3591 EV::loop;
3592 }
3593 trace "EV::loop returned\n";
3594 goto &main_loop unless $REALLY_UNLOOP;
2601} 3595}
2602 3596
2603sub main { 3597sub main {
3598 cf::init_globals; # initialise logging
3599
3600 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3601 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3602 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3603 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3604
3605 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3606
2604 # we must not ever block the main coroutine 3607 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3608 local $Coro::idle = sub {
2606 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3609 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607 (async { 3610 (async {
2608 Event::one_event; 3611 $Coro::current->{desc} = "IDLE BUG HANDLER";
3612 EV::loop EV::LOOP_ONESHOT;
2609 })->prio (Coro::PRIO_MAX); 3613 })->prio (Coro::PRIO_MAX);
2610 }; 3614 };
2611 3615
2612 cfg_load; 3616 evthread_start IO::AIO::poll_fileno;
3617
3618 cf::sync_job {
3619 cf::incloader::init ();
3620
3621 cf::init_anim;
3622 cf::init_attackmess;
3623 cf::init_dynamic;
3624
3625 cf::load_settings;
3626 cf::load_materials;
3627
3628 reload_resources;
3629 reload_config;
2613 db_init; 3630 db_init;
3631
3632 cf::init_uuid;
3633 cf::init_signals;
3634 cf::init_skills;
3635
3636 cf::init_beforeplay;
3637
3638 atomic;
3639
2614 load_extensions; 3640 load_extensions;
2615 3641
2616 $TICK_WATCHER->start; 3642 utime time, time, $RUNTIMEFILE;
2617 Event::loop; 3643
3644 # no (long-running) fork's whatsoever before this point(!)
3645 use POSIX ();
3646 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3647
3648 (pop @POST_INIT)->(0) while @POST_INIT;
3649 };
3650
3651 cf::object::thawer::errors_are_fatal 0;
3652 info "parse errors in files are no longer fatal from this point on.\n";
3653
3654 my $free_main; $free_main = EV::idle sub {
3655 undef $free_main;
3656 undef &main; # free gobs of memory :)
3657 };
3658
3659 goto &main_loop;
2618} 3660}
2619 3661
2620############################################################################# 3662#############################################################################
2621# initialisation and cleanup 3663# initialisation and cleanup
2622 3664
2623# install some emergency cleanup handlers 3665# install some emergency cleanup handlers
2624BEGIN { 3666BEGIN {
3667 our %SIGWATCHER = ();
2625 for my $signal (qw(INT HUP TERM)) { 3668 for my $signal (qw(INT HUP TERM)) {
2626 Event->signal ( 3669 $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"; 3670 cf::cleanup "SIG$signal";
2633 },
2634 ); 3671 };
3672 }
3673}
3674
3675sub write_runtime_sync {
3676 my $t0 = AE::time;
3677
3678 # first touch the runtime file to show we are still running:
3679 # the fsync below can take a very very long time.
3680
3681 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3682
3683 my $guard = cf::lock_acquire "write_runtime";
3684
3685 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3686 or return;
3687
3688 my $value = $cf::RUNTIME + 90 + 10;
3689 # 10 is the runtime save interval, for a monotonic clock
3690 # 60 allows for the watchdog to kill the server.
3691
3692 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3693 and return;
3694
3695 # always fsync - this file is important
3696 aio_fsync $fh
3697 and return;
3698
3699 # touch it again to show we are up-to-date
3700 aio_utime $fh, undef, undef;
3701
3702 close $fh
3703 or return;
3704
3705 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3706 and return;
3707
3708 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3709
2635 } 3710 1
3711}
3712
3713our $uuid_lock;
3714our $uuid_skip;
3715
3716sub write_uuid_sync($) {
3717 $uuid_skip ||= $_[0];
3718
3719 return if $uuid_lock;
3720 local $uuid_lock = 1;
3721
3722 my $uuid = "$LOCALDIR/uuid";
3723
3724 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3725 or return;
3726
3727 my $value = uuid_seq uuid_cur;
3728
3729 unless ($value) {
3730 info "cowardly refusing to write zero uuid value!\n";
3731 return;
3732 }
3733
3734 my $value = uuid_str $value + $uuid_skip;
3735 $uuid_skip = 0;
3736
3737 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3738 and return;
3739
3740 # always fsync - this file is important
3741 aio_fsync $fh
3742 and return;
3743
3744 close $fh
3745 or return;
3746
3747 aio_rename "$uuid~", $uuid
3748 and return;
3749
3750 trace "uuid file written ($value).\n";
3751
3752 1
3753
3754}
3755
3756sub write_uuid($$) {
3757 my ($skip, $sync) = @_;
3758
3759 $sync ? write_uuid_sync $skip
3760 : async { write_uuid_sync $skip };
2636} 3761}
2637 3762
2638sub emergency_save() { 3763sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3764 my $freeze_guard = cf::freeze_mainloop;
2640 3765
2641 warn "enter emergency perl save\n"; 3766 info "emergency_perl_save: enter\n";
3767
3768 # this is a trade-off: we want to be very quick here, so
3769 # save all maps without fsync, and later call a global sync
3770 # (which in turn might be very very slow)
3771 local $USE_FSYNC = 0;
2642 3772
2643 cf::sync_job { 3773 cf::sync_job {
3774 cf::write_runtime_sync; # external watchdog should not bark
3775
2644 # use a peculiar iteration method to avoid tripping on perl 3776 # use a peculiar iteration method to avoid tripping on perl
2645 # refcount bugs in for. also avoids problems with players 3777 # refcount bugs in for. also avoids problems with players
2646 # and maps saved/destroyed asynchronously. 3778 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3779 info "emergency_perl_save: begin player save\n";
2648 for my $login (keys %cf::PLAYER) { 3780 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3781 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3782 $pl->valid or next;
3783 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3784 $pl->save;
2652 } 3785 }
2653 warn "end emergency player save\n"; 3786 info "emergency_perl_save: end player save\n";
2654 3787
2655 warn "begin emergency map save\n"; 3788 cf::write_runtime_sync; # external watchdog should not bark
3789
3790 info "emergency_perl_save: begin map save\n";
2656 for my $path (keys %cf::MAP) { 3791 for my $path (keys %cf::MAP) {
2657 my $map = $cf::MAP{$path} or next; 3792 my $map = $cf::MAP{$path} or next;
2658 $map->valid or next; 3793 $map->valid or next;
2659 $map->save; 3794 $map->save;
2660 } 3795 }
2661 warn "end emergency map save\n"; 3796 info "emergency_perl_save: end map save\n";
2662 3797
2663 warn "begin emergency database checkpoint\n"; 3798 cf::write_runtime_sync; # external watchdog should not bark
3799
3800 info "emergency_perl_save: begin database checkpoint\n";
2664 BDB::db_env_txn_checkpoint $DB_ENV; 3801 BDB::db_env_txn_checkpoint $DB_ENV;
2665 warn "end emergency database checkpoint\n"; 3802 info "emergency_perl_save: end database checkpoint\n";
3803
3804 info "emergency_perl_save: begin write uuid\n";
3805 write_uuid_sync 1;
3806 info "emergency_perl_save: end write uuid\n";
3807
3808 cf::write_runtime_sync; # external watchdog should not bark
3809
3810 trace "emergency_perl_save: syncing database to disk";
3811 BDB::db_env_txn_checkpoint $DB_ENV;
3812
3813 info "emergency_perl_save: starting sync\n";
3814 IO::AIO::aio_sync sub {
3815 info "emergency_perl_save: finished sync\n";
3816 };
3817
3818 cf::write_runtime_sync; # external watchdog should not bark
3819
3820 trace "emergency_perl_save: flushing outstanding aio requests";
3821 while (IO::AIO::nreqs || BDB::nreqs) {
3822 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3823 }
3824
3825 cf::write_runtime_sync; # external watchdog should not bark
2666 }; 3826 };
2667 3827
2668 warn "leave emergency perl save\n"; 3828 info "emergency_perl_save: leave\n";
2669} 3829}
2670 3830
2671sub post_cleanup { 3831sub post_cleanup {
2672 my ($make_core) = @_; 3832 my ($make_core) = @_;
2673 3833
3834 IO::AIO::flush;
3835
2674 warn Carp::longmess "post_cleanup backtrace" 3836 error Carp::longmess "post_cleanup backtrace"
2675 if $make_core; 3837 if $make_core;
3838
3839 my $fh = pidfile;
3840 unlink $PIDFILE if <$fh> == $$;
3841}
3842
3843# a safer delete_package, copied from Symbol
3844sub clear_package($) {
3845 my $pkg = shift;
3846
3847 # expand to full symbol table name if needed
3848 unless ($pkg =~ /^main::.*::$/) {
3849 $pkg = "main$pkg" if $pkg =~ /^::/;
3850 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3851 $pkg .= '::' unless $pkg =~ /::$/;
3852 }
3853
3854 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3855 my $stem_symtab = *{$stem}{HASH};
3856
3857 defined $stem_symtab and exists $stem_symtab->{$leaf}
3858 or return;
3859
3860 # clear all symbols
3861 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3862 for my $name (keys %$leaf_symtab) {
3863 _gv_clear *{"$pkg$name"};
3864# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3865 }
2676} 3866}
2677 3867
2678sub do_reload_perl() { 3868sub do_reload_perl() {
2679 # can/must only be called in main 3869 # can/must only be called in main
2680 if ($Coro::current != $Coro::main) { 3870 unless (in_main) {
2681 warn "can only reload from main coroutine"; 3871 error "can only reload from main coroutine";
2682 return; 3872 return;
2683 } 3873 }
2684 3874
3875 return if $RELOAD++;
3876
3877 my $t1 = AE::time;
3878
3879 while ($RELOAD) {
3880 cf::get_slot 0.1, -1, "reload_perl";
2685 warn "reloading..."; 3881 info "reloading...";
2686 3882
2687 warn "entering sync_job"; 3883 trace "entering sync_job";
2688 3884
2689 cf::sync_job { 3885 cf::sync_job {
2690 cf::write_runtime; # external watchdog should not bark
2691 cf::emergency_save; 3886 #cf::emergency_save;
2692 cf::write_runtime; # external watchdog should not bark
2693 3887
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"; 3888 trace "cancelling all extension coros";
2716 $_->cancel for values %EXT_CORO; 3889 $_->cancel for values %EXT_CORO;
2717 %EXT_CORO = (); 3890 %EXT_CORO = ();
2718 3891
2719 warn "removing commands"; 3892 trace "removing commands";
2720 %COMMAND = (); 3893 %COMMAND = ();
2721 3894
2722 warn "removing ext commands"; 3895 trace "removing ext/exti commands";
2723 %EXTCMD = (); 3896 %EXTCMD = ();
3897 %EXTICMD = ();
2724 3898
2725 warn "unloading/nuking all extensions"; 3899 trace "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) { 3900 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg"; 3901 trace "... unloading $pkg";
2728 3902
2729 if (my $cb = $pkg->can ("unload")) { 3903 if (my $cb = $pkg->can ("unload")) {
2730 eval { 3904 eval {
2731 $cb->($pkg); 3905 $cb->($pkg);
2732 1 3906 1
2733 } or warn "$pkg unloaded, but with errors: $@"; 3907 } or error "$pkg unloaded, but with errors: $@";
3908 }
3909
3910 trace "... clearing $pkg";
3911 clear_package $pkg;
2734 } 3912 }
2735 3913
2736 warn "... nuking $pkg";
2737 Symbol::delete_package $pkg;
2738 }
2739
2740 warn "unloading all perl modules loaded from $LIBDIR"; 3914 trace "unloading all perl modules loaded from $LIBDIR";
2741 while (my ($k, $v) = each %INC) { 3915 while (my ($k, $v) = each %INC) {
2742 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3916 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743 3917
2744 warn "... unloading $k"; 3918 trace "... unloading $k";
2745 delete $INC{$k}; 3919 delete $INC{$k};
2746 3920
2747 $k =~ s/\.pm$//; 3921 $k =~ s/\.pm$//;
2748 $k =~ s/\//::/g; 3922 $k =~ s/\//::/g;
2749 3923
2750 if (my $cb = $k->can ("unload_module")) { 3924 if (my $cb = $k->can ("unload_module")) {
2751 $cb->(); 3925 $cb->();
3926 }
3927
3928 clear_package $k;
2752 } 3929 }
2753 3930
2754 Symbol::delete_package $k;
2755 }
2756
2757 warn "getting rid of safe::, as good as possible"; 3931 trace "getting rid of safe::, as good as possible";
2758 Symbol::delete_package "safe::$_" 3932 clear_package "safe::$_"
2759 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3933 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760 3934
2761 warn "unloading cf.pm \"a bit\""; 3935 trace "unloading cf.pm \"a bit\"";
2762 delete $INC{"cf.pm"}; 3936 delete $INC{"cf.pm"};
2763 delete $INC{"cf/pod.pm"}; 3937 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764 3938
2765 # don't, removes xs symbols, too, 3939 # don't, removes xs symbols, too,
2766 # and global variables created in xs 3940 # and global variables created in xs
2767 #Symbol::delete_package __PACKAGE__; 3941 #clear_package __PACKAGE__;
2768 3942
2769 warn "unload completed, starting to reload now"; 3943 info "unload completed, starting to reload now";
2770 3944
2771 warn "reloading cf.pm"; 3945 trace "reloading cf.pm";
2772 require cf; 3946 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3947 cf::_connect_to_perl_1;
2774 3948
2775 warn "loading config and database again"; 3949 trace "loading config and database again";
2776 cf::cfg_load; 3950 cf::reload_config;
2777 3951
2778 warn "loading extensions"; 3952 trace "loading extensions";
2779 cf::load_extensions; 3953 cf::load_extensions;
2780 3954
3955 if ($REATTACH_ON_RELOAD) {
2781 warn "reattaching attachments to objects/players"; 3956 trace "reattaching attachments to objects/players";
2782 _global_reattach; # objects, sockets 3957 _global_reattach; # objects, sockets
2783 warn "reattaching attachments to maps"; 3958 trace "reattaching attachments to maps";
2784 reattach $_ for values %MAP; 3959 reattach $_ for values %MAP;
2785 warn "reattaching attachments to players"; 3960 trace "reattaching attachments to players";
2786 reattach $_ for values %PLAYER; 3961 reattach $_ for values %PLAYER;
3962 }
2787 3963
3964 trace "running post_init jobs";
3965 (pop @POST_INIT)->(1) while @POST_INIT;
3966
2788 warn "leaving sync_job"; 3967 trace "leaving sync_job";
2789 3968
2790 1 3969 1
2791 } or do { 3970 } or do {
2792 warn $@; 3971 error $@;
2793 warn "error while reloading, exiting."; 3972 cf::cleanup "error while reloading, exiting.";
2794 exit 1; 3973 };
3974
3975 info "reloaded";
3976 --$RELOAD;
2795 }; 3977 }
2796 3978
2797 warn "reloaded"; 3979 $t1 = AE::time - $t1;
3980 info "reload completed in ${t1}s\n";
2798}; 3981};
2799 3982
2800our $RELOAD_WATCHER; # used only during reload 3983our $RELOAD_WATCHER; # used only during reload
2801 3984
2802sub reload_perl() { 3985sub reload_perl() {
2803 # doing reload synchronously and two reloads happen back-to-back, 3986 # doing reload synchronously and two reloads happen back-to-back,
2804 # coro crashes during coro_state_free->destroy here. 3987 # coro crashes during coro_state_free->destroy here.
2805 3988
2806 $RELOAD_WATCHER ||= Event->timer ( 3989 $RELOAD_WATCHER ||= cf::async {
2807 reentrant => 0, 3990 Coro::AIO::aio_wait cache_extensions;
2808 after => 0, 3991
2809 data => WF_AUTOCANCEL, 3992 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810 cb => sub {
2811 do_reload_perl; 3993 do_reload_perl;
2812 undef $RELOAD_WATCHER; 3994 undef $RELOAD_WATCHER;
2813 }, 3995 };
2814 ); 3996 };
2815} 3997}
2816 3998
2817register_command "reload" => sub { 3999register_command "reload" => sub {
2818 my ($who, $arg) = @_; 4000 my ($who, $arg) = @_;
2819 4001
2820 if ($who->flag (FLAG_WIZ)) { 4002 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 4003 $who->message ("reloading server.");
4004 async {
4005 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 4006 reload_perl;
4007 };
2823 } 4008 }
2824}; 4009};
2825 4010
2826unshift @INC, $LIBDIR; 4011#############################################################################
2827 4012
2828my $bug_warning = 0; 4013my $bug_warning = 0;
2829 4014
2830our @WAIT_FOR_TICK; 4015our @WAIT_FOR_TICK;
2831our @WAIT_FOR_TICK_BEGIN; 4016our @WAIT_FOR_TICK_BEGIN;
2832 4017
2833sub wait_for_tick { 4018sub wait_for_tick {
2834 return unless $TICK_WATCHER->is_active;
2835 return if $Coro::current == $Coro::main; 4019 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2836 4020
2837 my $signal = new Coro::Signal; 4021 my $signal = new Coro::Signal;
2838 push @WAIT_FOR_TICK, $signal; 4022 push @WAIT_FOR_TICK, $signal;
2839 $signal->wait; 4023 $signal->wait;
2840} 4024}
2841 4025
2842sub wait_for_tick_begin { 4026sub wait_for_tick_begin {
2843 return unless $TICK_WATCHER->is_active;
2844 return if $Coro::current == $Coro::main; 4027 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2845 4028
2846 my $signal = new Coro::Signal; 4029 my $signal = new Coro::Signal;
2847 push @WAIT_FOR_TICK_BEGIN, $signal; 4030 push @WAIT_FOR_TICK_BEGIN, $signal;
2848 $signal->wait; 4031 $signal->wait;
2849} 4032}
2850 4033
2851$TICK_WATCHER = Event->timer ( 4034sub 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) { 4035 if ($Coro::current != $Coro::main) {
2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4036 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860 unless ++$bug_warning > 10; 4037 unless ++$bug_warning > 10;
2861 return; 4038 return;
2862 } 4039 }
2863 4040
2864 $NOW = $tick_start = Event::time;
2865
2866 cf::server_tick; # one server iteration 4041 cf::server_tick; # one server iteration
2867 4042
2868 $RUNTIME += $TICK; 4043 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2869 $NEXT_TICK += $TICK;
2870 4044
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4045 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 4046 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873 Coro::async_pool { 4047 Coro::async_pool {
4048 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 4049 write_runtime_sync
2875 or warn "ERROR: unable to write runtime file: $!"; 4050 or error "ERROR: unable to write runtime file: $!";
2876 };
2877 } 4051 };
4052 }
2878 4053
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4054 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 4055 $sig->send;
2884 } 4056 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 4057 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 4058 $sig->send;
2887 } 4059 }
2888 4060
2889 $NOW = Event::time; 4061 $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; 4062 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 4063
2900 _post_tick; 4064 if (0) {
2901 4065 if ($NEXT_TICK) {
2902 4066 my $jitter = $TICK_START - $NEXT_TICK;
4067 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4068 debug "jitter $JITTER\n";#d#
4069 }
2903 }, 4070 }
2904); 4071}
2905 4072
2906{ 4073{
2907 BDB::max_poll_time $TICK * 0.1; 4074 # configure BDB
2908 $BDB_POLL_WATCHER = Event->io ( 4075
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; 4076 BDB::min_parallel 16;
2917 4077 BDB::max_poll_reqs $TICK * 0.1;
2918 BDB::set_sync_prepare { 4078 $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 4079
2933 unless ($DB_ENV) { 4080 unless ($DB_ENV) {
2934 $DB_ENV = BDB::db_env_create; 4081 $DB_ENV = BDB::db_env_create;
4082 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4083 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4084 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4085 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4086 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935 4087
2936 cf::sync_job { 4088 cf::sync_job {
2937 eval { 4089 eval {
2938 BDB::db_env_open 4090 BDB::db_env_open
2939 $DB_ENV, 4091 $DB_ENV,
… …
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4093 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4094 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 4095 0666;
2944 4096
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4097 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 }; 4098 };
2950 4099
2951 cf::cleanup "db_env_open(db): $@" if $@; 4100 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 4101 };
2953 } 4102 }
4103
4104 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4105 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4106 };
4107 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4108 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4109 };
4110 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4111 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4112 };
2954} 4113}
2955 4114
2956{ 4115{
4116 # configure IO::AIO
4117
2957 IO::AIO::min_parallel 8; 4118 IO::AIO::min_parallel 8;
2958
2959 undef $Coro::AIO::WATCHER;
2960 IO::AIO::max_poll_time $TICK * 0.1; 4119 IO::AIO::max_poll_time $TICK * 0.1;
2961 $AIO_POLL_WATCHER = Event->io ( 4120 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} 4121}
2970 4122
2971my $_log_backtrace; 4123my $_log_backtrace;
2972 4124
2973sub _log_backtrace { 4125sub _log_backtrace {
… …
2976 $msg =~ s/\n//; 4128 $msg =~ s/\n//;
2977 4129
2978 # limit the # of concurrent backtraces 4130 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 4131 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 4132 ++$_log_backtrace;
4133 my $perl_bt = Carp::longmess $msg;
2981 async { 4134 async {
4135 $Coro::current->{desc} = "abt $msg";
4136
2982 my @bt = fork_call { 4137 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 4138 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4139 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4140 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986 or die "addr2line: $!"; 4141 or die "addr2line: $!";
… …
2994 } 4149 }
2995 4150
2996 @funcs 4151 @funcs
2997 }; 4152 };
2998 4153
2999 LOG llevInfo, "[ABT] $msg\n"; 4154 LOG llevInfo, "[ABT] $perl_bt\n";
4155 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000 LOG llevInfo, "[ABT] $_\n" for @bt; 4156 LOG llevInfo, "[ABT] $_\n" for @bt;
3001 --$_log_backtrace; 4157 --$_log_backtrace;
3002 }; 4158 };
3003 } else { 4159 } else {
3004 LOG llevInfo, "[ABT] $msg\n"; 4160 LOG llevInfo, "[ABT] $msg\n";
3005 LOG llevInfo, "[ABT] [suppressed]\n"; 4161 LOG llevInfo, "[ABT] [suppressed]\n";
3006 } 4162 }
3007} 4163}
3008 4164
3009# load additional modules 4165# load additional modules
3010use cf::pod; 4166require "cf/$_.pm" for @EXTRA_MODULES;
4167cf::_connect_to_perl_2;
3011 4168
3012END { cf::emergency_save } 4169END { cf::emergency_save }
3013 4170
30141 41711
3015 4172

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