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Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
71 118
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 121our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
79 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript);
82 130
83our %CFG; 131our %CFG;
84 132
85our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 134our $RUNTIME;
135our $NOW;
87 136
88our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
91 140
92# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
153
95binmode STDOUT; 154binmode STDOUT;
96binmode STDERR; 155binmode STDERR;
97 156
98# read virtual server time, if available 157# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
103} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
104 165
105mkdir $_ 166mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107 168
108our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
109 170
110sub 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::"} };
111 187
112############################################################################# 188#############################################################################
113 189
114=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
115 191
… …
139 215
140=item $cf::TICK 216=item $cf::TICK
141 217
142The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
143 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
144=item %cf::CFG 230=item %cf::CFG
145 231
146Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 233from wherever your confdir points to.
148 234
149=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
150 236
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 240
241=item @cf::INVOKE_RESULTS
242
243This array contains the results of the last C<invoke ()> call. When
244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
245that call.
246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
252
155=back 253=back
156 254
157=cut 255=cut
158 256
159BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
160 *CORE::GLOBAL::warn = sub { 258sub warn (@) { LOG llevWarn , join "", @_ }
259sub info (@) { LOG llevInfo , join "", @_ }
260sub debug(@) { LOG llevDebug, join "", @_ }
261sub trace(@) { LOG llevTrace, join "", @_ }
262
263$Coro::State::WARNHOOK = sub {
161 my $msg = join "", @_; 264 my $msg = join "", @_;
162 265
163 $msg .= "\n" 266 $msg .= "\n"
164 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
165 268
166 $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;
167 270
168 utf8::encode $msg;
169 LOG llevError, $msg; 271 LOG llevWarn, $msg;
170 }; 272};
171} 273
274$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};
172 287
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@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';
178@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)
179 295
180# 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
181# within the Safe compartment. 297# within the Safe compartment.
182for my $pkg (qw( 298for my $pkg (qw(
183 cf::global cf::attachable 299 cf::global cf::attachable
184 cf::object cf::object::player 300 cf::object cf::object::player
185 cf::client cf::player 301 cf::client cf::player
186 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
187 cf::map cf::party cf::region 304 cf::party cf::region
188)) { 305)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 307}
192 308
193$Event::DIED = sub { 309$EV::DIED = sub {
194 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
195}; 311};
312
313#############################################################################
196 314
197=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
198 316
199=over 4 317=over 4
200 318
… …
219 $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;
220 $d 338 $d
221 } || "[unable to dump $_[0]: '$@']"; 339 } || "[unable to dump $_[0]: '$@']";
222} 340}
223 341
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
227 343
228Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
229 345
230=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
231 347
232Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
233 349
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
234=item cf::lock_wait $string 371=item cf::lock_wait $string
235 372
236Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
237 374
238=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
239 376
240Wait 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
241a 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,
242for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
243returned. 380returned.
244 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
245Lock 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
246uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
247 387
248=item $locked = cf::lock_active $string 388=item $locked = cf::lock_active $string
249 389
250Return 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.
251 391
252=cut 392=cut
253 393
254our %LOCK; 394our $LOCKS = new Coro::SemaphoreSet;
255 395
256sub lock_wait($) { 396sub lock_wait($) {
257 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
258
259 # wait for lock, if any
260 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule;
263 }
264} 398}
265 399
266sub lock_acquire($) { 400sub lock_acquire($) {
267 my ($key) = @_; 401 $LOCKS->guard ($_[0])
268
269 # wait, to be sure we are not locked
270 lock_wait $key;
271
272 $LOCK{$key} = [];
273
274 Coro::guard {
275 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} };
277 }
278} 402}
279 403
280sub lock_active($) { 404sub lock_active($) {
281 my ($key) = @_; 405 $LOCKS->count ($_[0]) < 1
282
283 ! ! $LOCK{$key}
284} 406}
285 407
286sub freeze_mainloop { 408sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
288 410
289 my $guard = Coro::guard { 411 &Guard::guard (\&tick_inhibit_dec);
290 $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($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
427}
428
429=item cf::get_slot $time[, $priority[, $name]]
430
431Allocate $time seconds of blocking CPU time at priority C<$priority>:
432This call blocks and returns only when you have at least C<$time> seconds
433of cpu time till the next tick. The slot is only valid till the next cede.
434
435The optional C<$name> can be used to identify the job to run. It might be
436used for statistical purposes and should identify the same time-class.
437
438Useful for short background jobs.
439
440=cut
441
442our @SLOT_QUEUE;
443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
445
446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
450 my $signal = new Coro::Signal;
451 my $busy;
452
453 while () {
454 next_job:
455
456 my $avail = cf::till_tick;
457
458 for (0 .. $#SLOT_QUEUE) {
459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
461 my $job = splice @SLOT_QUEUE, $_, 1, ();
462 $job->[2]->send;
463 Coro::cede;
464 goto next_job;
465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
467 }
468 }
469
470 if (@SLOT_QUEUE) {
471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
472 push @cf::WAIT_FOR_TICK, $signal;
473 $signal->wait;
474 } else {
475 $busy = 0;
476 Coro::schedule;
477 }
291 }; 478 }
292 $TICK_WATCHER->stop; 479};
293 $guard 480
481sub get_slot($;$$) {
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 $sig->wait;
294} 494}
295 495
296=item cf::async { BLOCK } 496=item cf::async { BLOCK }
297 497
298Currently the same as Coro::async_pool, meaning you cannot use 498Currently the same as Coro::async_pool, meaning you cannot use
… …
303 503
304BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
305 505
306=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
307 507
308The design of crossfire+ requires that the main coro ($Coro::main) is 508The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 509is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
511acceptable.
311 512
312If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 515server will be frozen during this time, so the block should either finish
315fast or be very important. 516fast or be very important.
… …
317=cut 518=cut
318 519
319sub sync_job(&) { 520sub sync_job(&) {
320 my ($job) = @_; 521 my ($job) = @_;
321 522
322 if ($Coro::current == $Coro::main) { 523 if (in_main) {
524 my $time = AE::time;
525
323 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
325 528
326 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 530
328 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
329 532
330 my $busy = 1; 533 my $busy = 1;
331 my @res; 534 my @res;
332 535
333 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 538 @res = eval { $job->() };
335 warn $@ if $@; 539 error $@ if $@;
336 undef $busy; 540 undef $busy;
337 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
338 542
339 while ($busy) { 543 while ($busy) {
340 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
341 } 548 }
549 }
550
551 my $time = AE::time - $time;
552
553 $TICK_START += $time; # do not account sync jobs to server load
342 554
343 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
344 } else { 556 } else {
345 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
346 558
… …
366 $EXT_CORO{$coro+0} = $coro; 578 $EXT_CORO{$coro+0} = $coro;
367 579
368 $coro 580 $coro
369} 581}
370 582
371sub write_runtime { 583=item fork_call { }, $args
372 my $runtime = "$LOCALDIR/runtime";
373 584
374 # first touch the runtime file to show we are still running: 585Executes the given code block with the given arguments in a seperate
375 # 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.
376 589
377 warn "touching runtime...\n";#d# 590=cut
378 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 591
379 utime undef, undef, $fh; 592sub fork_call(&@) {
593 my ($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 $!;
380 } 675 };
676 cf::cleanup "db_open(db): $@" if $@;
381 677
382 my $guard = cf::lock_acquire "write_runtime"; 678 $db
679}
383 680
384 warn "starting to write runtime...\n";#d# 681our $DB;
385 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386 or return;
387 682
388 my $value = $cf::RUNTIME + 90 + 10; 683sub db_init {
389 # 10 is the runtime save interval, for a monotonic clock 684 $DB ||= db_table "db";
390 # 60 allows for the watchdog to kill the server. 685}
391 686
392 (aio_write $fh, 0, (length $value), $value, 0) <= 0 687sub db_get($$) {
393 and return; 688 my $key = "$_[0]/$_[1]";
394 689
395 # always fsync - this file is important 690 cf::error "db_get called from main context"
396 aio_fsync $fh 691 if $Coro::current == $Coro::main;
397 and return;
398 692
399 # touch it again to show we are up-to-date 693 BDB::db_get $DB, undef, $key, my $data;
400 utime undef, undef, $fh;
401 694
402 close $fh 695 $! ? ()
403 or return; 696 : $data
697}
404 698
405 aio_rename "$runtime~", $runtime 699sub db_put($$$) {
406 and return; 700 BDB::dbreq_pri 4;
701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
702}
407 703
408 warn "... done writing runtime.\n";#d# 704=item cf::cache $id => [$paths...], $processversion => $process
409 705
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 $data;
410 1 769 }
770
771 db_get cache => "$id/data"
411} 772}
412 773
413=item cf::datalog type => key => value, ... 774=item cf::datalog type => key => value, ...
414 775
415Log 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.
416 777
417=cut 778=cut
418 779
419sub datalog($@) { 780sub datalog($@) {
420 my ($type, %kv) = @_; 781 my ($type, %kv) = @_;
421 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422} 783}
423 784
424=back 785=back
425 786
426=cut 787=cut
427 788
428############################################################################# 789#############################################################################
429 790
430=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
431 792
432Many 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
433attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
434to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
435 796
436In 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>
437C<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
438crossfire+). 799Deliantra).
439 800
440=over 4 801=over 4
441 802
442=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
443 804
… …
487=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
488 849
489Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
490given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
491 852
492Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
493that 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.
494 855
495These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
496 857
497=over 4 858=over 4
… …
606 $registry = $CB_TYPE[$object_type] ||= []; 967 $registry = $CB_TYPE[$object_type] ||= [];
607 968
608 } elsif ($type eq "subtype") { 969 } elsif ($type eq "subtype") {
609 defined $object_type or Carp::croak "subtype specified without type"; 970 defined $object_type or Carp::croak "subtype specified without type";
610 my $object_subtype = shift @arg; 971 my $object_subtype = shift @arg;
611 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 972 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612 973
613 } elsif ($type eq "package") { 974 } elsif ($type eq "package") {
614 my $pkg = shift @arg; 975 my $pkg = shift @arg;
615 976
616 while (my ($name, $id) = each %cb_id) { 977 while (my ($name, $id) = each %cb_id) {
… …
621 982
622 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
623 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624 985
625 } elsif (ref $type) { 986 } elsif (ref $type) {
626 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
627 988
628 } else { 989 } else {
629 shift @arg; 990 shift @arg;
630 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
631 } 992 }
632 } 993 }
633} 994}
634 995
635sub _object_attach { 996sub _object_attach {
… …
645 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
646 } 1007 }
647 1008
648 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
649 } else { 1010 } else {
650 warn "object uses attachment '$name' that is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
651 } 1012 }
652 1013
653 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
654} 1015}
655 1016
… …
657 if (ref $_[0]) { 1018 if (ref $_[0]) {
658 _object_attach @_; 1019 _object_attach @_;
659 } else { 1020 } else {
660 _attach shift->_attach_registry, @_; 1021 _attach shift->_attach_registry, @_;
661 } 1022 }
1023 _recalc_want;
662}; 1024};
663 1025
664# all those should be optimised 1026# all those should be optimised
665sub cf::attachable::detach { 1027sub cf::attachable::detach {
666 my ($obj, $name) = @_; 1028 my ($obj, $name) = @_;
… …
669 delete $obj->{_attachment}{$name}; 1031 delete $obj->{_attachment}{$name};
670 reattach ($obj); 1032 reattach ($obj);
671 } else { 1033 } else {
672 Carp::croak "cannot, currently, detach class attachments"; 1034 Carp::croak "cannot, currently, detach class attachments";
673 } 1035 }
1036 _recalc_want;
674}; 1037};
675 1038
676sub cf::attachable::attached { 1039sub cf::attachable::attached {
677 my ($obj, $name) = @_; 1040 my ($obj, $name) = @_;
678 1041
… …
693 "; 1056 ";
694 die if $@; 1057 die if $@;
695} 1058}
696 1059
697our $override; 1060our $override;
698our @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?
699 1062
700sub override { 1063sub override {
701 $override = 1; 1064 $override = 1;
702 @invoke_results = (); 1065 @INVOKE_RESULTS = (@_);
703} 1066}
704 1067
705sub do_invoke { 1068sub do_invoke {
706 my $event = shift; 1069 my $event = shift;
707 my $callbacks = shift; 1070 my $callbacks = shift;
708 1071
709 @invoke_results = (); 1072 @INVOKE_RESULTS = ();
710 1073
711 local $override; 1074 local $override;
712 1075
713 for (@$callbacks) { 1076 for (@$callbacks) {
714 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
715 1078
716 if ($@) { 1079 if ($@) {
717 warn "$@";
718 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719 override; 1081 override;
720 } 1082 }
721 1083
722 return 1 if $override; 1084 return 1 if $override;
723 } 1085 }
724 1086
725 0 1087 0
726} 1088}
727 1089
728=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729 1091
730=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731 1093
732Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
733 1095
734This 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
735removed 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
736results (if you must, access C<@cf::invoke_results> directly). 1098results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737 1099
738=back 1100=back
739 1101
740=cut 1102=cut
741 1103
742############################################################################# 1104#############################################################################
743# 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, $ob2
1147}
744 1148
745sub reattach { 1149sub reattach {
746 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
747 my ($obj) = @_; 1151 my ($obj) = @_;
748 1152
1153 # no longer needed after getting rid of delete_package?
749 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
750 1155
751 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
752 1157
753 @$registry = (); 1158 @$registry = ();
754 1159
… …
759 for (@$attach) { 1164 for (@$attach) {
760 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
761 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
762 } 1167 }
763 } else { 1168 } else {
764 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
765 } 1170 }
766 } 1171 }
767} 1172}
768 1173
769cf::attachable->attach ( 1174cf::attachable->attach (
770 prio => -1000000, 1175 prio => -1000000,
771 on_instantiate => sub { 1176 on_instantiate => sub {
772 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
773 1178
774 $data = from_json $data; 1179 $data = decode_json $data;
775 1180
776 for (@$data) { 1181 for (@$data) {
777 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
778 1183
779 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
… …
795sub object_freezer_save { 1200sub object_freezer_save {
796 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
797 1202
798 sync_job { 1203 sync_job {
799 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
800 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
801 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
802 1209
803 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
805 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806 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 }
807 close $fh; 1217 aio_close $fh;
808 1218
809 if (@$objs) { 1219 if (@$objs) {
810 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) {
811 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
812 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
814 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 }
815 close $fh; 1228 aio_close $fh;
816 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
817 } 1230 }
818 } else { 1231 } else {
819 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
820 } 1233 }
821 1234
822 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
823 } else { 1239 } else {
824 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
825 } 1241 }
826 } else { 1242 } else {
827 aio_unlink $filename; 1243 aio_unlink $filename;
828 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
829 } 1245 }
830 } 1246 };
831} 1247}
832 1248
833sub object_freezer_as_string { 1249sub object_freezer_as_string {
834 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
835 1251
… …
847 or return; 1263 or return;
848 1264
849 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
850 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
851 or return; 1267 or return;
1268
852 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
853 } 1271 }
854 1272
1273 utf8::decode (my $decname = $filename);
855 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
856 $filename, length $data, scalar @{$av || []};#d# 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
857 return ($data, $av); 1278 ($data, $av)
858} 1279}
1280
1281=head2 COMMAND CALLBACKS
1282
1283=over 4
1284
1285=cut
859 1286
860############################################################################# 1287#############################################################################
861# command handling &c 1288# command handling &c
862 1289
863=item cf::register_command $name => \&callback($ob,$args); 1290=item cf::register_command $name => \&callback($ob,$args);
… …
876 push @{ $COMMAND{$name} }, [$caller, $cb]; 1303 push @{ $COMMAND{$name} }, [$caller, $cb];
877} 1304}
878 1305
879=item cf::register_extcmd $name => \&callback($pl,$packet); 1306=item cf::register_extcmd $name => \&callback($pl,$packet);
880 1307
881Register 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.
882 1313
883If 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
884called. 1315called.
885 1316
1317=item cf::register_exticmd $name => \&callback($ns,$packet);
1318
1319Register a callback for execution when the client sends an (asynchronous)
1320exticmd packet. Exti commands are processed by the server as soon as they
1321are received, i.e. out of order w.r.t. other commands. The first argument
1322is a client socket. Exti commands can be received anytime, even before
1323log-in.
1324
1325If the callback returns something, it is sent back as if reply was being
1326called.
1327
886=cut 1328=cut
887 1329
888sub register_extcmd { 1330sub register_extcmd {
889 my ($name, $cb) = @_; 1331 my ($name, $cb) = @_;
890 1332
891 $EXTCMD{$name} = $cb; 1333 $EXTCMD{$name} = $cb;
892} 1334}
893 1335
1336sub register_exticmd {
1337 my ($name, $cb) = @_;
1338
1339 $EXTICMD{$name} = $cb;
1340}
1341
1342use File::Glob ();
1343
894cf::player->attach ( 1344cf::player->attach (
895 on_command => sub { 1345 on_unknown_command => sub {
896 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
897 1347
898 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
899 or return; 1349 or return;
900 1350
… …
905 cf::override; 1355 cf::override;
906 }, 1356 },
907 on_extcmd => sub { 1357 on_extcmd => sub {
908 my ($pl, $buf) = @_; 1358 my ($pl, $buf) = @_;
909 1359
910 my $msg = eval { from_json $buf }; 1360 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911 1361
912 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
913 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1370 if (my $cb = $EXTCMD{$type}) {
914 if (my %reply = $cb->($pl, $msg)) { 1371 @reply = $cb->($pl, @payload);
915 $pl->ext_reply ($msg->{msgid}, %reply);
916 }
917 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
918 } else { 1377 } else {
919 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920 } 1379 }
921 1380
922 cf::override; 1381 cf::override;
923 }, 1382 },
924); 1383);
925 1384
1385# "readahead" all extensions
926sub load_extension { 1386sub cache_extensions {
927 my ($path) = @_; 1387 my $grp = IO::AIO::aio_group;
928 1388
929 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930 my $base = $1; 1390 for (grep /\.ext$/, @{$_[0]}) {
931 my $pkg = $1; 1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932 $pkg =~ s/[^[:word:]]/_/g;
933 $pkg = "ext::$pkg";
934
935 warn "... loading '$path' into '$pkg'\n";
936
937 open my $fh, "<:utf8", $path
938 or die "$path: $!";
939
940 my $source =
941 "package $pkg; use strict; use utf8;\n"
942 . "#line 1 \"$path\"\n{\n"
943 . (do { local $/; <$fh> })
944 . "\n};\n1";
945
946 unless (eval $source) {
947 my $msg = $@ ? "$path: $@\n"
948 : "extension disabled.\n";
949 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950 warn $@;
951 warn "mandatory extension failed to load, exiting.\n";
952 exit 1;
953 } 1392 }
954 die $@;
955 } 1393 };
956 1394
957 push @EXTS, $pkg; 1395 $grp
958} 1396}
959 1397
960sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1401 cf::sync_job {
1402 my %todo;
1403
961 for my $ext (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
962 next unless -r $ext; 1405 next unless -r $path;
963 eval { 1406
964 load_extension $ext; 1407 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1408 my $base = $1;
1409 my $pkg = $1;
1410 $pkg =~ s/[^[:word:]]/_/g;
1411 $pkg = "ext::$pkg";
1412
1413 open my $fh, "<:utf8", $path
1414 or die "$path: $!";
1415
1416 my $source = do { local $/; <$fh> };
1417
1418 my %ext = (
1419 path => $path,
1420 base => $base,
1421 pkg => $pkg,
1422 );
1423
1424 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1425 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1426
1427 $ext{source} =
1428 "package $pkg; use common::sense;\n"
1429 . "#line 1 \"$path\"\n{\n"
1430 . $source
1431 . "\n};\n1";
1432
1433 $todo{$base} = \%ext;
1434 }
1435
1436 my $pass = 0;
1437 my %done;
1438 while (%todo) {
1439 my $progress;
1440
1441 ++$pass;
1442
1443 ext:
1444 while (my ($k, $v) = each %todo) {
1445 for (split /,\s*/, $v->{meta}{depends}) {
1446 next ext
1447 unless exists $done{$_};
1448 }
1449
1450 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1451
1452 my $active = eval $v->{source};
1453
1454 if (length $@) {
1455 error "$v->{path}: $@\n";
1456 undef $@; # work around perl 5.10.0 utf-8 caching bug
1457
1458 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1459 if exists $v->{meta}{mandatory};
1460
1461 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1462 delete $todo{$k};
1463 } else {
1464 $done{$k} = delete $todo{$k};
1465 push @EXTS, $v->{pkg};
1466 $progress = 1;
1467
1468 info "$v->{base}: extension inactive.\n"
1469 unless $active;
1470 }
965 1 1471 }
966 } or warn "$ext not loaded: $@"; 1472
1473 unless ($progress) {
1474 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1475
1476 while (my ($k, $v) = each %todo) {
1477 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1478 if exists $v->{meta}{mandatory};
1479 }
1480 }
1481 }
967 } 1482 };
968} 1483}
969 1484
970############################################################################# 1485#############################################################################
971 1486
1487=back
1488
972=head2 CORE EXTENSIONS 1489=head2 CORE EXTENSIONS
973 1490
974Functions and methods that extend core crossfire objects. 1491Functions and methods that extend core deliantra objects.
975 1492
976=cut 1493=cut
977 1494
978package cf::player; 1495package cf::player;
979 1496
980use Coro::AIO; 1497use Coro::AIO;
981 1498
982=head3 cf::player 1499=head3 cf::player
983 1500
984=over 4 1501=over 4
1502
1503=item cf::player::num_playing
1504
1505Returns the official number of playing players, as per the Crossfire metaserver rules.
1506
1507=cut
1508
1509sub num_playing {
1510 scalar grep
1511 $_->ob->map
1512 && !$_->hidden
1513 && !$_->ob->flag (cf::FLAG_WIZ),
1514 cf::player::list
1515}
985 1516
986=item cf::player::find $login 1517=item cf::player::find $login
987 1518
988Returns the given player object, loading it if necessary (might block). 1519Returns the given player object, loading it if necessary (might block).
989 1520
… …
1008 1539
1009sub exists($) { 1540sub exists($) {
1010 my ($login) = @_; 1541 my ($login) = @_;
1011 1542
1012 $cf::PLAYER{$login} 1543 $cf::PLAYER{$login}
1013 or cf::sync_job { !aio_stat path $login } 1544 or !aio_stat path $login
1014} 1545}
1015 1546
1016sub find($) { 1547sub find($) {
1017 return $cf::PLAYER{$_[0]} || do { 1548 return $cf::PLAYER{$_[0]} || do {
1018 my $login = $_[0]; 1549 my $login = $_[0];
… …
1025 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1556 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1557 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1558 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028 aio_unlink +(playerdir $login) . "/$login.pl"; 1559 aio_unlink +(playerdir $login) . "/$login.pl";
1029 1560
1030 my $pl = load_pl path $login 1561 my $f = new_from_file cf::object::thawer path $login
1031 or return; 1562 or return;
1563
1564 my $pl = cf::player::load_pl $f
1565 or return;
1566
1567 local $cf::PLAYER_LOADING{$login} = $pl;
1568 $f->resolve_delayed_derefs;
1032 $cf::PLAYER{$login} = $pl 1569 $cf::PLAYER{$login} = $pl
1033 } 1570 }
1034 } 1571 }
1035} 1572}
1573
1574cf::player->attach (
1575 on_load => sub {
1576 my ($pl, $path) = @_;
1577
1578 # restore slots saved in save, below
1579 my $slots = delete $pl->{_slots};
1580
1581 $pl->ob->current_weapon ($slots->[0]);
1582 $pl->combat_ob ($slots->[1]);
1583 $pl->ranged_ob ($slots->[2]);
1584 },
1585);
1036 1586
1037sub save($) { 1587sub save($) {
1038 my ($pl) = @_; 1588 my ($pl) = @_;
1039 1589
1040 return if $pl->{deny_save}; 1590 return if $pl->{deny_save};
… …
1045 return if $pl->{deny_save}; 1595 return if $pl->{deny_save};
1046 1596
1047 aio_mkdir playerdir $pl, 0770; 1597 aio_mkdir playerdir $pl, 0770;
1048 $pl->{last_save} = $cf::RUNTIME; 1598 $pl->{last_save} = $cf::RUNTIME;
1049 1599
1600 cf::get_slot 0.01;
1601
1602 # save slots, to be restored later
1603 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1604
1050 $pl->save_pl ($path); 1605 $pl->save_pl ($path);
1051 Coro::cede; 1606 cf::cede_to_tick;
1052} 1607}
1053 1608
1054sub new($) { 1609sub new($) {
1055 my ($login) = @_; 1610 my ($login) = @_;
1056 1611
… …
1062 $cf::PLAYER{$login} = $self; 1617 $cf::PLAYER{$login} = $self;
1063 1618
1064 $self 1619 $self
1065} 1620}
1066 1621
1622=item $player->send_msg ($channel, $msg, $color, [extra...])
1623
1624=cut
1625
1626sub send_msg {
1627 my $ns = shift->ns
1628 or return;
1629 $ns->send_msg (@_);
1630}
1631
1067=item $pl->quit_character 1632=item $pl->quit_character
1068 1633
1069Nukes the player without looking back. If logged in, the connection will 1634Nukes the player without looking back. If logged in, the connection will
1070be destroyed. May block for a long time. 1635be destroyed. May block for a long time.
1071 1636
… …
1075 my ($pl) = @_; 1640 my ($pl) = @_;
1076 1641
1077 my $name = $pl->ob->name; 1642 my $name = $pl->ob->name;
1078 1643
1079 $pl->{deny_save} = 1; 1644 $pl->{deny_save} = 1;
1080 $pl->password ("*"); # this should lock out the player until we nuked the dir 1645 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1081 1646
1082 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1647 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083 $pl->deactivate; 1648 $pl->deactivate;
1649 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1650 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1085 $pl->ns->destroy if $pl->ns; 1651 $pl->ns->destroy if $pl->ns;
1086 1652
1087 my $path = playerdir $pl; 1653 my $path = playerdir $pl;
1088 my $temp = "$path~$cf::RUNTIME~deleting~"; 1654 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1124 or return []; 1690 or return [];
1125 1691
1126 my @logins; 1692 my @logins;
1127 1693
1128 for my $login (@$dirs) { 1694 for my $login (@$dirs) {
1695 my $path = path $login;
1696
1697 # a .pst is a dead give-away for a valid player
1698 # if no pst file found, open and chekc for blocked users
1699 if (aio_stat "$path.pst") {
1129 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1700 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130 aio_read $fh, 0, 512, my $buf, 0 or next; 1701 aio_read $fh, 0, 512, my $buf, 0 or next;
1131 $buf !~ /^password -------------$/m or next; # official not-valid tag 1702 $buf !~ /^password -------------$/m or next; # official not-valid tag
1703 }
1132 1704
1133 utf8::decode $login; 1705 utf8::decode $login;
1134 push @logins, $login; 1706 push @logins, $login;
1135 } 1707 }
1136 1708
1137 \@logins 1709 \@logins
1138} 1710}
1139 1711
1140=item $player->maps 1712=item $player->maps
1713
1714=item cf::player::maps $login
1141 1715
1142Returns an arrayref of map paths that are private for this 1716Returns an arrayref of map paths that are private for this
1143player. May block. 1717player. May block.
1144 1718
1145=cut 1719=cut
… …
1163 } 1737 }
1164 1738
1165 \@paths 1739 \@paths
1166} 1740}
1167 1741
1742=item $protocol_xml = $player->expand_cfpod ($cfpod)
1743
1744Expand deliantra pod fragments into protocol xml.
1745
1168=item $player->ext_reply ($msgid, %msg) 1746=item $player->ext_reply ($msgid, @msg)
1169 1747
1170Sends an ext reply to the player. 1748Sends an ext reply to the player.
1171 1749
1172=cut 1750=cut
1173 1751
1174sub ext_reply($$%) { 1752sub ext_reply($$@) {
1175 my ($self, $id, %msg) = @_; 1753 my ($self, $id, @msg) = @_;
1176 1754
1177 $msg{msgid} = $id; 1755 $self->ns->ext_reply ($id, @msg)
1178
1179 $self->send ("ext " . cf::to_json \%msg);
1180} 1756}
1181 1757
1182=item $player->ext_event ($type, %msg) 1758=item $player->ext_msg ($type, @msg)
1183 1759
1184Sends an ext event to the client. 1760Sends an ext event to the client.
1185 1761
1186=cut 1762=cut
1187 1763
1188sub ext_event($$%) { 1764sub ext_msg($$@) {
1189 my ($self, $type, %msg) = @_; 1765 my ($self, $type, @msg) = @_;
1190 1766
1191 $self->ns->ext_event ($type, %msg); 1767 $self->ns->ext_msg ($type, @msg);
1192} 1768}
1193 1769
1194=head3 cf::region 1770=head3 cf::region
1195 1771
1196=over 4 1772=over 4
… …
1199 1775
1200package cf::region; 1776package cf::region;
1201 1777
1202=item cf::region::find_by_path $path 1778=item cf::region::find_by_path $path
1203 1779
1204Tries to decuce the probable region for a map knowing only its path. 1780Tries to decuce the likely region for a map knowing only its path.
1205 1781
1206=cut 1782=cut
1207 1783
1208sub find_by_path($) { 1784sub find_by_path($) {
1209 my ($path) = @_; 1785 my ($path) = @_;
1210 1786
1787 $path =~ s/^~[^\/]*//; # skip ~login
1788
1211 my ($match, $specificity); 1789 my ($match, $specificity);
1212 1790
1213 for my $region (list) { 1791 for my $region (list) {
1214 if ($region->match && $path =~ $region->match) { 1792 if ($region->{match} && $path =~ $region->{match}) {
1215 ($match, $specificity) = ($region, $region->specificity) 1793 ($match, $specificity) = ($region, $region->specificity)
1216 if $region->specificity > $specificity; 1794 if $region->specificity > $specificity;
1217 } 1795 }
1218 } 1796 }
1219 1797
… …
1240our $MAX_RESET = 3600; 1818our $MAX_RESET = 3600;
1241our $DEFAULT_RESET = 3000; 1819our $DEFAULT_RESET = 3000;
1242 1820
1243sub generate_random_map { 1821sub generate_random_map {
1244 my ($self, $rmp) = @_; 1822 my ($self, $rmp) = @_;
1823
1824 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1825
1245 # mit "rum" bekleckern, nicht 1826 # mit "rum" bekleckern, nicht
1246 $self->_create_random_map ( 1827 $self->_create_random_map (
1247 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1828 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1829 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1249 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1830 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250 $rmp->{exit_on_final_map}, 1831 $rmp->{exit_on_final_map},
1251 $rmp->{xsize}, $rmp->{ysize}, 1832 $rmp->{xsize}, $rmp->{ysize},
1252 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1833 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1834 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1268 1849
1269sub register { 1850sub register {
1270 my (undef, $regex, $prio) = @_; 1851 my (undef, $regex, $prio) = @_;
1271 my $pkg = caller; 1852 my $pkg = caller;
1272 1853
1273 no strict;
1274 push @{"$pkg\::ISA"}, __PACKAGE__; 1854 push @{"$pkg\::ISA"}, __PACKAGE__;
1275 1855
1276 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1856 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277} 1857}
1278 1858
1279# also paths starting with '/' 1859# also paths starting with '/'
1280$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1860$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281 1861
1282sub thawer_merge { 1862sub thawer_merge {
1283 my ($self, $merge) = @_; 1863 my ($self, $merge) = @_;
1284 1864
1285 # we have to keep some variables in memory intact 1865 # we have to keep some variables in memory intact
1286 local $self->{path}; 1866 local $self->{path};
1287 local $self->{load_path}; 1867 local $self->{load_path};
1288 local $self->{deny_save};
1289 local $self->{deny_reset};
1290 1868
1291 $self->SUPER::thawer_merge ($merge); 1869 $self->SUPER::thawer_merge ($merge);
1292} 1870}
1293 1871
1294sub normalise { 1872sub normalise {
… …
1341 $self->init; # pass $1 etc. 1919 $self->init; # pass $1 etc.
1342 return $self; 1920 return $self;
1343 } 1921 }
1344 } 1922 }
1345 1923
1346 Carp::carp "unable to resolve path '$path' (base '$base')."; 1924 Carp::cluck "unable to resolve path '$path' (base '$base').";
1347 () 1925 ()
1348} 1926}
1349 1927
1350sub init { 1928sub init {
1351 my ($self) = @_; 1929 my ($self) = @_;
… …
1373 1951
1374# the temporary/swap location 1952# the temporary/swap location
1375sub save_path { 1953sub save_path {
1376 my ($self) = @_; 1954 my ($self) = @_;
1377 1955
1378 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379 "$TMPDIR/$path.map" 1957 "$TMPDIR/$path.map"
1380} 1958}
1381 1959
1382# the unique path, undef == no special unique path 1960# the unique path, undef == no special unique path
1383sub uniq_path { 1961sub uniq_path {
1384 my ($self) = @_; 1962 my ($self) = @_;
1385 1963
1386 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1964 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387 "$UNIQUEDIR/$path" 1965 "$UNIQUEDIR/$path"
1388} 1966}
1389 1967
1390# and all this just because we cannot iterate over 1968sub decay_objects {
1391# all maps in C++...
1392sub change_all_map_light {
1393 my ($change) = @_; 1969 my ($self) = @_;
1394 1970
1395 $_->change_map_light ($change) 1971 return if $self->{deny_reset};
1396 for grep $_->outdoor, values %cf::MAP; 1972
1973 $self->do_decay_objects;
1397} 1974}
1398 1975
1399sub unlink_save { 1976sub unlink_save {
1400 my ($self) = @_; 1977 my ($self) = @_;
1401 1978
… …
1406 1983
1407sub load_header_from($) { 1984sub load_header_from($) {
1408 my ($self, $path) = @_; 1985 my ($self, $path) = @_;
1409 1986
1410 utf8::encode $path; 1987 utf8::encode $path;
1411 #aio_open $path, O_RDONLY, 0 1988 my $f = new_from_file cf::object::thawer $path
1412 # or return;
1413
1414 $self->_load_header ($path)
1415 or return; 1989 or return;
1990
1991 $self->_load_header ($f)
1992 or return;
1993
1994 local $MAP_LOADING{$self->{path}} = $self;
1995 $f->resolve_delayed_derefs;
1416 1996
1417 $self->{load_path} = $path; 1997 $self->{load_path} = $path;
1418 1998
1419 1 1999 1
1420} 2000}
… …
1459 $self->load_header_orig 2039 $self->load_header_orig
1460 or return; 2040 or return;
1461 $self->prepare_orig; 2041 $self->prepare_orig;
1462 } 2042 }
1463 2043
2044 $self->{deny_reset} = 1
2045 if $self->no_reset;
2046
1464 $self->default_region (cf::region::find_by_path $self->{path}) 2047 $self->default_region (cf::region::find_by_path $self->{path})
1465 unless $self->default_region; 2048 unless $self->default_region;
1466 2049
1467 1 2050 1
1468} 2051}
… …
1471sub find { 2054sub find {
1472 my ($path, $origin) = @_; 2055 my ($path, $origin) = @_;
1473 2056
1474 $path = normalise $path, $origin && $origin->path; 2057 $path = normalise $path, $origin && $origin->path;
1475 2058
2059 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476 cf::lock_wait "map_find:$path"; 2060 my $guard2 = cf::lock_acquire "map_find:$path";
1477 2061
1478 $cf::MAP{$path} || do { 2062 $cf::MAP{$path} || do {
1479 my $guard = cf::lock_acquire "map_find:$path";
1480 my $map = new_from_path cf::map $path 2063 my $map = new_from_path cf::map $path
1481 or return; 2064 or return;
1482 2065
1483 $map->{last_save} = $cf::RUNTIME; 2066 $map->{last_save} = $cf::RUNTIME;
1484 2067
1485 $map->load_header 2068 $map->load_header
1486 or return; 2069 or return;
1487 2070
1488 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2071 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489 # doing this can freeze the server in a sync job, obviously 2072 # doing this can freeze the server in a sync job, obviously
1490 #$cf::WAIT_FOR_TICK->wait; 2073 #$cf::WAIT_FOR_TICK->wait;
2074 undef $guard2;
2075 undef $guard1;
1491 $map->reset; 2076 $map->reset;
1492 undef $guard;
1493 return find $path; 2077 return find $path;
1494 } 2078 }
1495 2079
1496 $cf::MAP{$path} = $map 2080 $cf::MAP{$path} = $map
1497 } 2081 }
1498} 2082}
1499 2083
1500sub pre_load { } 2084sub pre_load { }
1501sub post_load { } 2085#sub post_load { } # XS
1502 2086
1503sub load { 2087sub load {
1504 my ($self) = @_; 2088 my ($self) = @_;
1505 2089
1506 local $self->{deny_reset} = 1; # loading can take a long time 2090 local $self->{deny_reset} = 1; # loading can take a long time
1507 2091
1508 my $path = $self->{path}; 2092 my $path = $self->{path};
1509 2093
1510 { 2094 {
1511 my $guard = cf::lock_acquire "map_load:$path"; 2095 my $guard = cf::lock_acquire "map_data:$path";
1512 2096
2097 return unless $self->valid;
1513 return if $self->in_memory != cf::MAP_SWAPPED; 2098 return unless $self->in_memory == cf::MAP_SWAPPED;
1514 2099
1515 $self->in_memory (cf::MAP_LOADING); 2100 $self->in_memory (cf::MAP_LOADING);
1516 2101
1517 $self->alloc; 2102 $self->alloc;
1518 2103
1519 $self->pre_load; 2104 $self->pre_load;
1520 Coro::cede; 2105 cf::cede_to_tick;
1521 2106
2107 my $f = new_from_file cf::object::thawer $self->{load_path};
2108 $f->skip_block;
1522 $self->_load_objects ($self->{load_path}, 1) 2109 $self->_load_objects ($f)
1523 or return; 2110 or return;
1524 2111
1525 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2112 $self->post_load_original
1526 if delete $self->{load_original}; 2113 if delete $self->{load_original};
1527 2114
1528 if (my $uniq = $self->uniq_path) { 2115 if (my $uniq = $self->uniq_path) {
1529 utf8::encode $uniq; 2116 utf8::encode $uniq;
1530 if (aio_open $uniq, O_RDONLY, 0) { 2117 unless (aio_stat $uniq) {
2118 if (my $f = new_from_file cf::object::thawer $uniq) {
1531 $self->clear_unique_items; 2119 $self->clear_unique_items;
1532 $self->_load_objects ($uniq, 0); 2120 $self->_load_objects ($f);
2121 $f->resolve_delayed_derefs;
2122 }
1533 } 2123 }
1534 } 2124 }
1535 2125
1536 Coro::cede; 2126 $f->resolve_delayed_derefs;
2127
2128 cf::cede_to_tick;
1537 # now do the right thing for maps 2129 # now do the right thing for maps
1538 $self->link_multipart_objects; 2130 $self->link_multipart_objects;
1539 $self->difficulty ($self->estimate_difficulty) 2131 $self->difficulty ($self->estimate_difficulty)
1540 unless $self->difficulty; 2132 unless $self->difficulty;
1541 Coro::cede; 2133 cf::cede_to_tick;
1542 2134
1543 unless ($self->{deny_activate}) { 2135 unless ($self->{deny_activate}) {
1544 $self->decay_objects; 2136 $self->decay_objects;
1545 $self->fix_auto_apply; 2137 $self->fix_auto_apply;
1546 $self->update_buttons; 2138 $self->update_buttons;
1547 Coro::cede; 2139 cf::cede_to_tick;
1548 $self->set_darkness_map;
1549 Coro::cede;
1550 $self->activate; 2140 $self->activate;
1551 } 2141 }
1552 2142
2143 $self->{last_save} = $cf::RUNTIME;
2144 $self->last_access ($cf::RUNTIME);
2145
1553 $self->in_memory (cf::MAP_IN_MEMORY); 2146 $self->in_memory (cf::MAP_ACTIVE);
1554 } 2147 }
1555 2148
1556 $self->post_load; 2149 $self->post_load;
1557} 2150}
1558 2151
2152# customize the map for a given player, i.e.
2153# return the _real_ map. used by e.g. per-player
2154# maps to change the path to ~playername/mappath
1559sub customise_for { 2155sub customise_for {
1560 my ($self, $ob) = @_; 2156 my ($self, $ob) = @_;
1561 2157
1562 return find "~" . $ob->name . "/" . $self->{path} 2158 return find "~" . $ob->name . "/" . $self->{path}
1563 if $self->per_player; 2159 if $self->per_player;
1564 2160
2161# return find "?party/" . $ob->name . "/" . $self->{path}
2162# if $self->per_party;
2163
1565 $self 2164 $self
1566} 2165}
1567 2166
1568# find and load all maps in the 3x3 area around a map 2167# find and load all maps in the 3x3 area around a map
1569sub load_diag { 2168sub load_neighbours {
1570 my ($map) = @_; 2169 my ($map) = @_;
1571 2170
1572 my @diag; # diagonal neighbours 2171 my @neigh; # diagonal neighbours
1573 2172
1574 for (0 .. 3) { 2173 for (0 .. 3) {
1575 my $neigh = $map->tile_path ($_) 2174 my $neigh = $map->tile_path ($_)
1576 or next; 2175 or next;
1577 $neigh = find $neigh, $map 2176 $neigh = find $neigh, $map
1578 or next; 2177 or next;
1579 $neigh->load; 2178 $neigh->load;
1580 2179
2180 # now find the diagonal neighbours
2181 push @neigh,
1581 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2182 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2183 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1583 } 2184 }
1584 2185
1585 for (@diag) { 2186 for (grep defined $_->[0], @neigh) {
2187 my ($path, $origin) = @$_;
1586 my $neigh = find @$_ 2188 my $neigh = find $path, $origin
1587 or next; 2189 or next;
1588 $neigh->load; 2190 $neigh->load;
1589 } 2191 }
1590} 2192}
1591 2193
1592sub find_sync { 2194sub find_sync {
1593 my ($path, $origin) = @_; 2195 my ($path, $origin) = @_;
1594 2196
1595 cf::sync_job { find $path, $origin } 2197 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2198 if $Coro::current == $Coro::main;
2199
2200 find $path, $origin
1596} 2201}
1597 2202
1598sub do_load_sync { 2203sub do_load_sync {
1599 my ($map) = @_; 2204 my ($map) = @_;
1600 2205
1601 cf::sync_job { $map->load }; 2206 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2207 if $Coro::current == $Coro::main;
2208
2209 $map->load;
1602} 2210}
1603 2211
1604our %MAP_PREFETCH; 2212our %MAP_PREFETCH;
1605our $MAP_PREFETCHER = undef; 2213our $MAP_PREFETCHER = undef;
1606 2214
1607sub find_async { 2215sub find_async {
1608 my ($path, $origin) = @_; 2216 my ($path, $origin, $load) = @_;
1609 2217
1610 $path = normalise $path, $origin && $origin->{path}; 2218 $path = normalise $path, $origin && $origin->{path};
1611 2219
1612 if (my $map = $cf::MAP{$path}) { 2220 if (my $map = $cf::MAP{$path}) {
1613 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2221 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614 } 2222 }
1615 2223
1616 undef $MAP_PREFETCH{$path}; 2224 $MAP_PREFETCH{$path} |= $load;
2225
1617 $MAP_PREFETCHER ||= cf::async { 2226 $MAP_PREFETCHER ||= cf::async {
2227 $Coro::current->{desc} = "map prefetcher";
2228
1618 while (%MAP_PREFETCH) { 2229 while (%MAP_PREFETCH) {
1619 for my $path (keys %MAP_PREFETCH) { 2230 while (my ($k, $v) = each %MAP_PREFETCH) {
1620 my $map = find $path 2231 if (my $map = find $k) {
1621 or next;
1622 $map->load; 2232 $map->load if $v;
2233 }
1623 2234
1624 delete $MAP_PREFETCH{$path}; 2235 delete $MAP_PREFETCH{$k};
1625 } 2236 }
1626 } 2237 }
1627 undef $MAP_PREFETCHER; 2238 undef $MAP_PREFETCHER;
1628 }; 2239 };
1629 $MAP_PREFETCHER->prio (6); 2240 $MAP_PREFETCHER->prio (6);
1630 2241
1631 () 2242 ()
1632} 2243}
1633 2244
2245# common code, used by both ->save and ->swapout
1634sub save { 2246sub _save {
1635 my ($self) = @_; 2247 my ($self) = @_;
1636
1637 my $lock = cf::lock_acquire "map_data:" . $self->path;
1638 2248
1639 $self->{last_save} = $cf::RUNTIME; 2249 $self->{last_save} = $cf::RUNTIME;
1640 2250
1641 return unless $self->dirty; 2251 return unless $self->dirty;
1642 2252
… …
1648 return if $self->{deny_save}; 2258 return if $self->{deny_save};
1649 2259
1650 local $self->{last_access} = $self->last_access;#d# 2260 local $self->{last_access} = $self->last_access;#d#
1651 2261
1652 cf::async { 2262 cf::async {
2263 $Coro::current->{desc} = "map player save";
1653 $_->contr->save for $self->players; 2264 $_->contr->save for $self->players;
1654 }; 2265 };
2266
2267 cf::get_slot 0.02;
1655 2268
1656 if ($uniq) { 2269 if ($uniq) {
1657 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2270 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2271 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1659 } else { 2272 } else {
1660 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2273 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661 } 2274 }
1662} 2275}
1663 2276
2277sub save {
2278 my ($self) = @_;
2279
2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
2281
2282 $self->_save;
2283}
2284
1664sub swap_out { 2285sub swap_out {
1665 my ($self) = @_; 2286 my ($self) = @_;
1666 2287
1667 # save first because save cedes
1668 $self->save;
1669
1670 my $lock = cf::lock_acquire "map_data:" . $self->path; 2288 my $lock = cf::lock_acquire "map_data:$self->{path}";
1671 2289
2290 return if $self->in_memory != cf::MAP_ACTIVE;
2291 return if $self->{deny_save};
1672 return if $self->players; 2292 return if $self->players;
1673 return if $self->in_memory != cf::MAP_IN_MEMORY;
1674 return if $self->{deny_save};
1675 2293
2294 # first deactivate the map and "unlink" it from the core
2295 $self->deactivate;
2296 $_->clear_links_to ($self) for values %cf::MAP;
2297 $self->in_memory (cf::MAP_SWAPPED);
2298
2299 # then atomically save
2300 $self->_save;
2301
2302 # then free the map
1676 $self->clear; 2303 $self->clear;
1677 $self->in_memory (cf::MAP_SWAPPED);
1678} 2304}
1679 2305
1680sub reset_at { 2306sub reset_at {
1681 my ($self) = @_; 2307 my ($self) = @_;
1682 2308
1683 # TODO: safety, remove and allow resettable per-player maps 2309 # TODO: safety, remove and allow resettable per-player maps
1684 return 1e99 if $self->isa ("ext::map_per_player");#d#
1685 return 1e99 if $self->{deny_reset}; 2310 return 1e99 if $self->{deny_reset};
1686 2311
1687 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2312 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2313 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689 2314
… …
1700 my ($self) = @_; 2325 my ($self) = @_;
1701 2326
1702 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
1703 2328
1704 return if $self->players; 2329 return if $self->players;
1705 return if $self->isa ("ext::map_per_player");#d#
1706 2330
1707 warn "resetting map ", $self->path;#d# 2331 cf::trace "resetting map ", $self->path, "\n";
1708 2332
1709 $self->in_memory (cf::MAP_SWAPPED); 2333 $self->in_memory (cf::MAP_SWAPPED);
1710 2334
1711 # need to save uniques path 2335 # need to save uniques path
1712 unless ($self->{deny_save}) { 2336 unless ($self->{deny_save}) {
… …
1716 if $uniq; 2340 if $uniq;
1717 } 2341 }
1718 2342
1719 delete $cf::MAP{$self->path}; 2343 delete $cf::MAP{$self->path};
1720 2344
2345 $self->deactivate;
2346 $_->clear_links_to ($self) for values %cf::MAP;
1721 $self->clear; 2347 $self->clear;
1722
1723 $_->clear_links_to ($self) for values %cf::MAP;
1724 2348
1725 $self->unlink_save; 2349 $self->unlink_save;
1726 $self->destroy; 2350 $self->destroy;
1727} 2351}
1728 2352
1729my $nuke_counter = "aaaa"; 2353my $nuke_counter = "aaaa";
1730 2354
1731sub nuke { 2355sub nuke {
1732 my ($self) = @_; 2356 my ($self) = @_;
1733 2357
2358 {
2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
2360
1734 delete $cf::MAP{$self->path}; 2361 delete $cf::MAP{$self->path};
1735 2362
1736 $self->unlink_save; 2363 $self->unlink_save;
1737 2364
1738 bless $self, "cf::map"; 2365 bless $self, "cf::map::wrap";
1739 delete $self->{deny_reset}; 2366 delete $self->{deny_reset};
1740 $self->{deny_save} = 1; 2367 $self->{deny_save} = 1;
1741 $self->reset_timeout (1); 2368 $self->reset_timeout (1);
1742 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2369 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743 2370
1744 $cf::MAP{$self->path} = $self; 2371 $cf::MAP{$self->path} = $self;
2372 }
1745 2373
1746 $self->reset; # polite request, might not happen 2374 $self->reset; # polite request, might not happen
2375}
2376
2377=item $maps = cf::map::tmp_maps
2378
2379Returns an arrayref with all map paths of currently instantiated and saved
2380maps. May block.
2381
2382=cut
2383
2384sub tmp_maps() {
2385 [
2386 map {
2387 utf8::decode $_;
2388 /\.map$/
2389 ? normalise $_
2390 : ()
2391 } @{ aio_readdir $TMPDIR or [] }
2392 ]
2393}
2394
2395=item $maps = cf::map::random_maps
2396
2397Returns an arrayref with all map paths of currently instantiated and saved
2398random maps. May block.
2399
2400=cut
2401
2402sub random_maps() {
2403 [
2404 map {
2405 utf8::decode $_;
2406 /\.map$/
2407 ? normalise "?random/$_"
2408 : ()
2409 } @{ aio_readdir $RANDOMDIR or [] }
2410 ]
1747} 2411}
1748 2412
1749=item cf::map::unique_maps 2413=item cf::map::unique_maps
1750 2414
1751Returns an arrayref of paths of all shared maps that have 2415Returns an arrayref of paths of all shared maps that have
1752instantiated unique items. May block. 2416instantiated unique items. May block.
1753 2417
1754=cut 2418=cut
1755 2419
1756sub unique_maps() { 2420sub unique_maps() {
1757 my $files = aio_readdir $UNIQUEDIR 2421 [
1758 or return; 2422 map {
1759
1760 my @paths;
1761
1762 for (@$files) {
1763 utf8::decode $_; 2423 utf8::decode $_;
1764 next if /\.pst$/; 2424 s/\.map$//; # TODO future compatibility hack
1765 next unless /^$PATH_SEP/o; 2425 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766 2426 ? ()
1767 push @paths, cf::map::normalise $_; 2427 : normalise $_
2428 } @{ aio_readdir $UNIQUEDIR or [] }
1768 } 2429 ]
1769
1770 \@paths
1771} 2430}
1772 2431
1773package cf; 2432=item cf::map::static_maps
2433
2434Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2435file in the shared directory excluding F</styles> and F</editor>). May
2436block.
2437
2438=cut
2439
2440sub static_maps() {
2441 my @dirs = "";
2442 my @maps;
2443
2444 while (@dirs) {
2445 my $dir = shift @dirs;
2446
2447 next if $dir eq "/styles" || $dir eq "/editor";
2448
2449 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2450 or return;
2451
2452 for (@$files) {
2453 s/\.map$// or next;
2454 utf8::decode $_;
2455 push @maps, "$dir/$_";
2456 }
2457
2458 push @dirs, map "$dir/$_", @$dirs;
2459 }
2460
2461 \@maps
2462}
1774 2463
1775=back 2464=back
1776 2465
1777=head3 cf::object 2466=head3 cf::object
1778 2467
… …
1782 2471
1783=over 4 2472=over 4
1784 2473
1785=item $ob->inv_recursive 2474=item $ob->inv_recursive
1786 2475
1787Returns the inventory of the object _and_ their inventories, recursively. 2476Returns the inventory of the object I<and> their inventories, recursively,
2477but I<not> the object itself.
1788 2478
1789=cut 2479=cut
1790 2480
1791sub inv_recursive_; 2481sub inv_recursive_;
1792sub inv_recursive_ { 2482sub inv_recursive_ {
… …
1795 2485
1796sub inv_recursive { 2486sub inv_recursive {
1797 inv_recursive_ inv $_[0] 2487 inv_recursive_ inv $_[0]
1798} 2488}
1799 2489
2490=item $ref = $ob->ref
2491
2492Creates and returns a persistent reference to an object that can be stored as a string.
2493
2494=item $ob = cf::object::deref ($refstring)
2495
2496returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2497even if the object actually exists. May block.
2498
2499=cut
2500
2501sub deref {
2502 my ($ref) = @_;
2503
2504 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2505 my ($uuid, $name) = ($1, $2);
2506 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2507 or return;
2508 $pl->ob->uuid eq $uuid
2509 or return;
2510
2511 $pl->ob
2512 } else {
2513 warn "$ref: cannot resolve object reference\n";
2514 undef
2515 }
2516}
2517
1800package cf; 2518package cf;
1801 2519
1802=back 2520=back
1803 2521
1804=head3 cf::object::player 2522=head3 cf::object::player
… …
1810Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2528Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811can be C<undef>. Does the right thing when the player is currently in a 2529can be C<undef>. Does the right thing when the player is currently in a
1812dialogue with the given NPC character. 2530dialogue with the given NPC character.
1813 2531
1814=cut 2532=cut
2533
2534our $SAY_CHANNEL = {
2535 id => "say",
2536 title => "Map",
2537 reply => "say ",
2538 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2539};
2540
2541our $CHAT_CHANNEL = {
2542 id => "chat",
2543 title => "Chat",
2544 reply => "chat ",
2545 tooltip => "Player chat and shouts, global to the server.",
2546};
1815 2547
1816# rough implementation of a future "reply" method that works 2548# rough implementation of a future "reply" method that works
1817# with dialog boxes. 2549# with dialog boxes.
1818#TODO: the first argument must go, split into a $npc->reply_to ( method 2550#TODO: the first argument must go, split into a $npc->reply_to ( method
1819sub cf::object::player::reply($$$;$) { 2551sub cf::object::player::reply($$$;$) {
… …
1821 2553
1822 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2554 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823 2555
1824 if ($self->{record_replies}) { 2556 if ($self->{record_replies}) {
1825 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2557 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2558
1826 } else { 2559 } else {
2560 my $pl = $self->contr;
2561
2562 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2563 my $dialog = $pl->{npc_dialog};
2564 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2565
2566 } else {
1827 $msg = $npc->name . " says: $msg" if $npc; 2567 $msg = $npc->name . " says: $msg" if $npc;
1828 $self->message ($msg, $flags); 2568 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2569 }
1829 } 2570 }
2571}
2572
2573=item $object->send_msg ($channel, $msg, $color, [extra...])
2574
2575=cut
2576
2577sub cf::object::send_msg {
2578 my $pl = shift->contr
2579 or return;
2580 $pl->send_msg (@_);
1830} 2581}
1831 2582
1832=item $player_object->may ("access") 2583=item $player_object->may ("access")
1833 2584
1834Returns wether the given player is authorized to access resource "access" 2585Returns wether the given player is authorized to access resource "access"
… …
1847 2598
1848=item $player_object->enter_link 2599=item $player_object->enter_link
1849 2600
1850Freezes the player and moves him/her to a special map (C<{link}>). 2601Freezes the player and moves him/her to a special map (C<{link}>).
1851 2602
1852The player should be reasonably safe there for short amounts of time. You 2603The player should be reasonably safe there for short amounts of time (e.g.
1853I<MUST> call C<leave_link> as soon as possible, though. 2604for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2605though, as the player cannot control the character while it is on the link
2606map.
1854 2607
1855Will never block. 2608Will never block.
1856 2609
1857=item $player_object->leave_link ($map, $x, $y) 2610=item $player_object->leave_link ($map, $x, $y)
1858 2611
… …
1878sub cf::object::player::enter_link { 2631sub cf::object::player::enter_link {
1879 my ($self) = @_; 2632 my ($self) = @_;
1880 2633
1881 $self->deactivate_recursive; 2634 $self->deactivate_recursive;
1882 2635
2636 ++$self->{_link_recursion};
2637
1883 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2638 return if UNIVERSAL::isa $self->map, "ext::map_link";
1884 2639
1885 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2640 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886 if $self->map; 2641 if $self->map && $self->map->{path} ne "{link}";
1887 2642
1888 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2643 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1889} 2644}
1890 2645
1891sub cf::object::player::leave_link { 2646sub cf::object::player::leave_link {
1892 my ($self, $map, $x, $y) = @_; 2647 my ($self, $map, $x, $y) = @_;
2648
2649 return unless $self->contr->active;
1893 2650
1894 my $link_pos = delete $self->{_link_pos}; 2651 my $link_pos = delete $self->{_link_pos};
1895 2652
1896 unless ($map) { 2653 unless ($map) {
1897 # restore original map position 2654 # restore original map position
… …
1908 ($x, $y) = (-1, -1) 2665 ($x, $y) = (-1, -1)
1909 unless (defined $x) && (defined $y); 2666 unless (defined $x) && (defined $y);
1910 2667
1911 # use -1 or undef as default coordinates, not 0, 0 2668 # use -1 or undef as default coordinates, not 0, 0
1912 ($x, $y) = ($map->enter_x, $map->enter_y) 2669 ($x, $y) = ($map->enter_x, $map->enter_y)
1913 if $x <=0 && $y <= 0; 2670 if $x <= 0 && $y <= 0;
1914 2671
1915 $map->load; 2672 $map->load;
1916 $map->load_diag; 2673 $map->load_neighbours;
1917 2674
1918 return unless $self->contr->active; 2675 return unless $self->contr->active;
1919 $self->activate_recursive;
1920 2676
1921 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2677 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922 $self->enter_map ($map, $x, $y); 2678 if ($self->enter_map ($map, $x, $y)) {
1923} 2679 # entering was successful
1924 2680 delete $self->{_link_recursion};
1925cf::player->attach ( 2681 # only activate afterwards, to support waiting in hooks
1926 on_logout => sub { 2682 $self->activate_recursive;
1927 my ($pl) = @_;
1928
1929 # abort map switching before logout
1930 if ($pl->ob->{_link_pos}) {
1931 cf::sync_job {
1932 $pl->ob->leave_link
1933 };
1934 }
1935 }, 2683 }
1936 on_login => sub {
1937 my ($pl) = @_;
1938 2684
1939 # try to abort aborted map switching on player login :) 2685}
1940 # should happen only on crashes
1941 if ($pl->ob->{_link_pos}) {
1942 $pl->ob->enter_link;
1943 (async {
1944 $pl->ob->reply (undef,
1945 "There was an internal problem at your last logout, "
1946 . "the server will try to bring you to your intended destination in a second.",
1947 cf::NDI_RED);
1948 # we need this sleep as the login has a concurrent enter_exit running
1949 # and this sleep increases chances of the player not ending up in scorn
1950 Coro::Timer::sleep 1;
1951 $pl->ob->leave_link;
1952 })->prio (2);
1953 }
1954 },
1955);
1956 2686
1957=item $player_object->goto ($path, $x, $y) 2687=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958 2688
2689Moves the player to the given map-path and coordinates by first freezing
2690her, loading and preparing them map, calling the provided $check callback
2691that has to return the map if sucecssful, and then unfreezes the player on
2692the new (success) or old (failed) map position. In either case, $done will
2693be called at the end of this process.
2694
2695Note that $check will be called with a potentially non-loaded map, so if
2696it needs a loaded map it has to call C<< ->load >>.
2697
1959=cut 2698=cut
2699
2700our $GOTOGEN;
1960 2701
1961sub cf::object::player::goto { 2702sub cf::object::player::goto {
1962 my ($self, $path, $x, $y) = @_; 2703 my ($self, $path, $x, $y, $check, $done) = @_;
2704
2705 if ($self->{_link_recursion} >= $MAX_LINKS) {
2706 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2707 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2708 ($path, $x, $y) = @$EMERGENCY_POSITION;
2709 }
2710
2711 # do generation counting so two concurrent goto's will be executed in-order
2712 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963 2713
1964 $self->enter_link; 2714 $self->enter_link;
1965 2715
1966 (async { 2716 (async {
2717 $Coro::current->{desc} = "player::goto $path $x $y";
2718
2719 # *tag paths override both path and x|y
2720 if ($path =~ /^\*(.*)$/) {
2721 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2722 my $ob = $obs[rand @obs];
2723
2724 # see if we actually can go there
2725 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2726 $ob = $obs[rand @obs];
2727 } else {
2728 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2729 }
2730 # else put us there anyways for now #d#
2731
2732 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2733 } else {
2734 ($path, $x, $y) = (undef, undef, undef);
2735 }
2736 }
2737
1967 my $map = eval { 2738 my $map = eval {
1968 my $map = cf::map::find $path; 2739 my $map = defined $path ? cf::map::find $path : undef;
2740
2741 if ($map) {
1969 $map = $map->customise_for ($self) if $map; 2742 $map = $map->customise_for ($self);
2743 $map = $check->($map, $x, $y, $self) if $check && $map;
2744 } else {
2745 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2746 }
2747
1970 $map 2748 $map
2749 };
2750
2751 if ($@) {
2752 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2753 LOG llevError | logBacktrace, Carp::longmess $@;
1971 } or 2754 }
1972 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973 2755
2756 if ($gen == $self->{_goto_generation}) {
2757 delete $self->{_goto_generation};
1974 $self->leave_link ($map, $x, $y); 2758 $self->leave_link ($map, $x, $y);
2759 }
2760
2761 $done->($self) if $done;
1975 })->prio (1); 2762 })->prio (1);
1976} 2763}
1977 2764
1978=item $player_object->enter_exit ($exit_object) 2765=item $player_object->enter_exit ($exit_object)
1979 2766
… …
1999} 2786}
2000 2787
2001sub prepare_random_map { 2788sub prepare_random_map {
2002 my ($exit) = @_; 2789 my ($exit) = @_;
2003 2790
2004 my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006 # all this does is basically replace the /! path by 2791 # all this does is basically replace the /! path by
2007 # a new random map path (?random/...) with a seed 2792 # a new random map path (?random/...) with a seed
2008 # that depends on the exit object 2793 # that depends on the exit object
2009 2794
2010 my $rmp = parse_random_map_params $exit->msg; 2795 my $rmp = parse_random_map_params $exit->msg;
… …
2012 if ($exit->map) { 2797 if ($exit->map) {
2013 $rmp->{region} = $exit->region->name; 2798 $rmp->{region} = $exit->region->name;
2014 $rmp->{origin_map} = $exit->map->path; 2799 $rmp->{origin_map} = $exit->map->path;
2015 $rmp->{origin_x} = $exit->x; 2800 $rmp->{origin_x} = $exit->x;
2016 $rmp->{origin_y} = $exit->y; 2801 $rmp->{origin_y} = $exit->y;
2802
2803 $exit->map->touch;
2017 } 2804 }
2018 2805
2019 $rmp->{random_seed} ||= $exit->random_seed; 2806 $rmp->{random_seed} ||= $exit->random_seed;
2020 2807
2021 my $data = cf::to_json $rmp; 2808 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022 my $md5 = Digest::MD5::md5_hex $data; 2809 my $md5 = Digest::MD5::md5_hex $data;
2023 my $meta = "$RANDOMDIR/$md5.meta"; 2810 my $meta = "$RANDOMDIR/$md5.meta";
2024 2811
2025 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2812 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026 aio_write $fh, 0, (length $data), $data, 0; 2813 aio_write $fh, 0, (length $data), $data, 0;
2027 undef $fh; 2814 undef $fh;
2028 aio_rename "$meta~", $meta; 2815 aio_rename "$meta~", $meta;
2029 2816
2817 my $slaying = "?random/$md5";
2818
2819 if ($exit->valid) {
2030 $exit->slaying ("?random/$md5"); 2820 $exit->slaying ("?random/$md5");
2031 $exit->msg (undef); 2821 $exit->msg (undef);
2822 }
2032 } 2823 }
2033} 2824}
2034 2825
2035sub cf::object::player::enter_exit { 2826sub cf::object::player::enter_exit {
2036 my ($self, $exit) = @_; 2827 my ($self, $exit) = @_;
2037 2828
2038 return unless $self->type == cf::PLAYER; 2829 return unless $self->type == cf::PLAYER;
2039 2830
2040 if ($exit->slaying eq "/!") {
2041 #TODO: this should de-fi-ni-te-ly not be a sync-job
2042 # the problem is that $exit might not survive long enough
2043 # so it needs to be done right now, right here
2044 cf::sync_job { prepare_random_map $exit };
2045 }
2046
2047 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048 my $hp = $exit->stats->hp;
2049 my $sp = $exit->stats->sp;
2050
2051 $self->enter_link; 2831 $self->enter_link;
2052 2832
2053 (async { 2833 (async {
2054 $self->deactivate_recursive; # just to be sure 2834 $Coro::current->{desc} = "enter_exit";
2835
2055 unless (eval { 2836 unless (eval {
2837 $self->deactivate_recursive; # just to be sure
2838
2839 # random map handling
2840 {
2841 my $guard = cf::lock_acquire "exit_prepare:$exit";
2842
2843 prepare_random_map $exit
2844 if $exit->slaying eq "/!";
2845 }
2846
2847 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2848 my $x = $exit->stats->hp;
2849 my $y = $exit->stats->sp;
2850
2056 $self->goto ($slaying, $hp, $sp); 2851 $self->goto ($map, $x, $y);
2057 2852
2853 # if exit is damned, update players death & WoR home-position
2854 $self->contr->savebed ($map, $x, $y)
2855 if $exit->flag (cf::FLAG_DAMNED);
2856
2058 1; 2857 1
2059 }) { 2858 }) {
2060 $self->message ("Something went wrong deep within the crossfire server. " 2859 $self->message ("Something went wrong deep within the deliantra server. "
2061 . "I'll try to bring you back to the map you were before. " 2860 . "I'll try to bring you back to the map you were before. "
2062 . "Please report this to the dungeon master!", 2861 . "Please report this to the dungeon master!",
2063 cf::NDI_UNIQUE | cf::NDI_RED); 2862 cf::NDI_UNIQUE | cf::NDI_RED);
2064 2863
2065 warn "ERROR in enter_exit: $@"; 2864 error "ERROR in enter_exit: $@";
2066 $self->leave_link; 2865 $self->leave_link;
2067 } 2866 }
2068 })->prio (1); 2867 })->prio (1);
2069} 2868}
2070 2869
… …
2084 2883
2085 utf8::encode $text; 2884 utf8::encode $text;
2086 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2885 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087} 2886}
2088 2887
2888=item $client->send_big_packet ($pkt)
2889
2890Like C<send_packet>, but tries to compress large packets, and fragments
2891them as required.
2892
2893=cut
2894
2895our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2896
2897sub cf::client::send_big_packet {
2898 my ($self, $pkt) = @_;
2899
2900 # try lzf for large packets
2901 $pkt = "lzf " . Compress::LZF::compress $pkt
2902 if 1024 <= length $pkt and $self->{can_lzf};
2903
2904 # split very large packets
2905 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2906 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2907 $pkt = "frag";
2908 }
2909
2910 $self->send_packet ($pkt);
2911}
2912
2913=item $client->send_msg ($channel, $msg, $color, [extra...])
2914
2915Send a drawinfo or msg packet to the client, formatting the msg for the
2916client if neccessary. C<$type> should be a string identifying the type of
2917the message, with C<log> being the default. If C<$color> is negative, suppress
2918the message unless the client supports the msg packet.
2919
2920=cut
2921
2922# non-persistent channels (usually the info channel)
2923our %CHANNEL = (
2924 "c/motd" => {
2925 id => "infobox",
2926 title => "MOTD",
2927 reply => undef,
2928 tooltip => "The message of the day",
2929 },
2930 "c/identify" => {
2931 id => "infobox",
2932 title => "Identify",
2933 reply => undef,
2934 tooltip => "Items recently identified",
2935 },
2936 "c/examine" => {
2937 id => "infobox",
2938 title => "Examine",
2939 reply => undef,
2940 tooltip => "Signs and other items you examined",
2941 },
2942 "c/shopinfo" => {
2943 id => "infobox",
2944 title => "Shop Info",
2945 reply => undef,
2946 tooltip => "What your bargaining skill tells you about the shop",
2947 },
2948 "c/book" => {
2949 id => "infobox",
2950 title => "Book",
2951 reply => undef,
2952 tooltip => "The contents of a note or book",
2953 },
2954 "c/lookat" => {
2955 id => "infobox",
2956 title => "Look",
2957 reply => undef,
2958 tooltip => "What you saw there",
2959 },
2960 "c/who" => {
2961 id => "infobox",
2962 title => "Players",
2963 reply => undef,
2964 tooltip => "Shows players who are currently online",
2965 },
2966 "c/body" => {
2967 id => "infobox",
2968 title => "Body Parts",
2969 reply => undef,
2970 tooltip => "Shows which body parts you posess and are available",
2971 },
2972 "c/statistics" => {
2973 id => "infobox",
2974 title => "Statistics",
2975 reply => undef,
2976 tooltip => "Shows your primary statistics",
2977 },
2978 "c/skills" => {
2979 id => "infobox",
2980 title => "Skills",
2981 reply => undef,
2982 tooltip => "Shows your experience per skill and item power",
2983 },
2984 "c/shopitems" => {
2985 id => "infobox",
2986 title => "Shop Items",
2987 reply => undef,
2988 tooltip => "Shows the items currently for sale in this shop",
2989 },
2990 "c/resistances" => {
2991 id => "infobox",
2992 title => "Resistances",
2993 reply => undef,
2994 tooltip => "Shows your resistances",
2995 },
2996 "c/pets" => {
2997 id => "infobox",
2998 title => "Pets",
2999 reply => undef,
3000 tooltip => "Shows information abotu your pets/a specific pet",
3001 },
3002 "c/perceiveself" => {
3003 id => "infobox",
3004 title => "Perceive Self",
3005 reply => undef,
3006 tooltip => "You gained detailed knowledge about yourself",
3007 },
3008 "c/uptime" => {
3009 id => "infobox",
3010 title => "Uptime",
3011 reply => undef,
3012 tooltip => "How long the server has been running since last restart",
3013 },
3014 "c/mapinfo" => {
3015 id => "infobox",
3016 title => "Map Info",
3017 reply => undef,
3018 tooltip => "Information related to the maps",
3019 },
3020 "c/party" => {
3021 id => "party",
3022 title => "Party",
3023 reply => "gsay ",
3024 tooltip => "Messages and chat related to your party",
3025 },
3026 "c/death" => {
3027 id => "death",
3028 title => "Death",
3029 reply => undef,
3030 tooltip => "Reason for and more info about your most recent death",
3031 },
3032 "c/say" => $SAY_CHANNEL,
3033 "c/chat" => $CHAT_CHANNEL,
3034);
3035
3036sub cf::client::send_msg {
3037 my ($self, $channel, $msg, $color, @extra) = @_;
3038
3039 $msg = $self->pl->expand_cfpod ($msg)
3040 unless $color & cf::NDI_VERBATIM;
3041
3042 $color &= cf::NDI_CLIENT_MASK; # just in case...
3043
3044 # check predefined channels, for the benefit of C
3045 if ($CHANNEL{$channel}) {
3046 $channel = $CHANNEL{$channel};
3047
3048 $self->ext_msg (channel_info => $channel);
3049 $channel = $channel->{id};
3050
3051 } elsif (ref $channel) {
3052 # send meta info to client, if not yet sent
3053 unless (exists $self->{channel}{$channel->{id}}) {
3054 $self->{channel}{$channel->{id}} = $channel;
3055 $self->ext_msg (channel_info => $channel);
3056 }
3057
3058 $channel = $channel->{id};
3059 }
3060
3061 return unless @extra || length $msg;
3062
3063 # default colour, mask it out
3064 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3065 if $color & cf::NDI_DEF;
3066
3067 my $pkt = "msg "
3068 . $self->{json_coder}->encode (
3069 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3070 );
3071
3072 $self->send_big_packet ($pkt);
3073}
3074
2089=item $client->ext_event ($type, %msg) 3075=item $client->ext_msg ($type, @msg)
2090 3076
2091Sends an exti event to the client. 3077Sends an ext event to the client.
2092 3078
2093=cut 3079=cut
2094 3080
2095sub cf::client::ext_event($$%) { 3081sub cf::client::ext_msg($$@) {
2096 my ($self, $type, %msg) = @_; 3082 my ($self, $type, @msg) = @_;
2097 3083
3084 if ($self->extcmd == 2) {
3085 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3086 } elsif ($self->extcmd == 1) { # TODO: remove
2098 $msg{msgtype} = "event_$type"; 3087 push @msg, msgtype => "event_$type";
2099 $self->send_packet ("ext " . cf::to_json \%msg); 3088 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3089 }
3090}
3091
3092=item $client->ext_reply ($msgid, @msg)
3093
3094Sends an ext reply to the client.
3095
3096=cut
3097
3098sub cf::client::ext_reply($$@) {
3099 my ($self, $id, @msg) = @_;
3100
3101 if ($self->extcmd == 2) {
3102 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3103 } elsif ($self->extcmd == 1) {
3104 #TODO: version 1, remove
3105 unshift @msg, msgtype => "reply", msgid => $id;
3106 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3107 }
2100} 3108}
2101 3109
2102=item $success = $client->query ($flags, "text", \&cb) 3110=item $success = $client->query ($flags, "text", \&cb)
2103 3111
2104Queues a query to the client, calling the given callback with 3112Queues a query to the client, calling the given callback with
2105the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3113the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3114C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107 3115
2108Queries can fail, so check the return code. Or don't, as queries will become 3116Queries can fail, so check the return code. Or don't, as queries will
2109reliable at some point in the future. 3117become reliable at some point in the future.
2110 3118
2111=cut 3119=cut
2112 3120
2113sub cf::client::query { 3121sub cf::client::query {
2114 my ($self, $flags, $text, $cb) = @_; 3122 my ($self, $flags, $text, $cb) = @_;
… …
2122 utf8::encode $text; 3130 utf8::encode $text;
2123 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3131 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124 3132
2125 $self->send_packet ($self->{query_queue}[0][0]) 3133 $self->send_packet ($self->{query_queue}[0][0])
2126 if @{ $self->{query_queue} } == 1; 3134 if @{ $self->{query_queue} } == 1;
3135
3136 1
2127} 3137}
2128 3138
2129cf::client->attach ( 3139cf::client->attach (
3140 on_connect => sub {
3141 my ($ns) = @_;
3142
3143 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3144 },
2130 on_reply => sub { 3145 on_reply => sub {
2131 my ($ns, $msg) = @_; 3146 my ($ns, $msg) = @_;
2132 3147
2133 # this weird shuffling is so that direct followup queries 3148 # this weird shuffling is so that direct followup queries
2134 # get handled first 3149 # get handled first
… …
2146 } else { 3161 } else {
2147 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148 } 3163 }
2149 } 3164 }
2150 }, 3165 },
3166 on_exticmd => sub {
3167 my ($ns, $buf) = @_;
3168
3169 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3170
3171 if (ref $msg) {
3172 my ($type, $reply, @payload) =
3173 "ARRAY" eq ref $msg
3174 ? @$msg
3175 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3176
3177 my @reply;
3178
3179 if (my $cb = $EXTICMD{$type}) {
3180 @reply = $cb->($ns, @payload);
3181 }
3182
3183 $ns->ext_reply ($reply, @reply)
3184 if $reply;
3185
3186 } else {
3187 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3188 }
3189
3190 cf::override;
3191 },
2151); 3192);
2152 3193
2153=item $client->async (\&cb) 3194=item $client->async (\&cb)
2154 3195
2155Create a new coroutine, running the specified callback. The coroutine will 3196Create a new coroutine, running the specified callback. The coroutine will
… …
2171 3212
2172 $coro 3213 $coro
2173} 3214}
2174 3215
2175cf::client->attach ( 3216cf::client->attach (
2176 on_destroy => sub { 3217 on_client_destroy => sub {
2177 my ($ns) = @_; 3218 my ($ns) = @_;
2178 3219
2179 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3220 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180 }, 3221 },
2181); 3222);
… …
2196our $safe = new Safe "safe"; 3237our $safe = new Safe "safe";
2197our $safe_hole = new Safe::Hole; 3238our $safe_hole = new Safe::Hole;
2198 3239
2199$SIG{FPE} = 'IGNORE'; 3240$SIG{FPE} = 'IGNORE';
2200 3241
2201$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3242$safe->permit_only (Opcode::opset qw(
3243 :base_core :base_mem :base_orig :base_math :base_loop
3244 grepstart grepwhile mapstart mapwhile
3245 sort time
3246));
2202 3247
2203# here we export the classes and methods available to script code 3248# here we export the classes and methods available to script code
2204 3249
2205=pod 3250=pod
2206 3251
2207The following functions and methods are available within a safe environment: 3252The following functions and methods are available within a safe environment:
2208 3253
2209 cf::object contr pay_amount pay_player map 3254 cf::object
3255 contr pay_amount pay_player map x y force_find force_add destroy
3256 insert remove name archname title slaying race decrease split
3257 value
3258
2210 cf::object::player player 3259 cf::object::player
2211 cf::player peaceful 3260 player
2212 cf::map trigger 3261
3262 cf::player
3263 peaceful
3264
3265 cf::map
3266 trigger
2213 3267
2214=cut 3268=cut
2215 3269
2216for ( 3270for (
2217 ["cf::object" => qw(contr pay_amount pay_player map)], 3271 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3272 insert remove inv nrof name archname title slaying race
3273 decrease split destroy change_exp value msg lore send_msg)],
2218 ["cf::object::player" => qw(player)], 3274 ["cf::object::player" => qw(player)],
2219 ["cf::player" => qw(peaceful)], 3275 ["cf::player" => qw(peaceful send_msg)],
2220 ["cf::map" => qw(trigger)], 3276 ["cf::map" => qw(trigger)],
2221) { 3277) {
2222 no strict 'refs';
2223 my ($pkg, @funs) = @$_; 3278 my ($pkg, @funs) = @$_;
2224 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3279 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225 for @funs; 3280 for @funs;
2226} 3281}
2227 3282
… …
2242 3297
2243 my $qcode = $code; 3298 my $qcode = $code;
2244 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3299 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2245 $qcode =~ s/\n/\\n/g; 3300 $qcode =~ s/\n/\\n/g;
2246 3301
3302 %vars = (_dummy => 0) unless %vars;
3303
3304 my @res;
2247 local $_; 3305 local $_;
2248 local @safe::cf::_safe_eval_args = values %vars;
2249 3306
2250 my $eval = 3307 my $eval =
2251 "do {\n" 3308 "do {\n"
2252 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3309 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253 . "#line 0 \"{$qcode}\"\n" 3310 . "#line 0 \"{$qcode}\"\n"
2254 . $code 3311 . $code
2255 . "\n}" 3312 . "\n}"
2256 ; 3313 ;
2257 3314
3315 if ($CFG{safe_eval}) {
2258 sub_generation_inc; 3316 sub_generation_inc;
3317 local @safe::cf::_safe_eval_args = values %vars;
2259 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3318 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260 sub_generation_inc; 3319 sub_generation_inc;
3320 } else {
3321 local @cf::_safe_eval_args = values %vars;
3322 @res = wantarray ? eval eval : scalar eval $eval;
3323 }
2261 3324
2262 if ($@) { 3325 if ($@) {
2263 warn "$@"; 3326 warn "$@",
2264 warn "while executing safe code '$code'\n"; 3327 "while executing safe code '$code'\n",
2265 warn "with arguments " . (join " ", %vars) . "\n"; 3328 "with arguments " . (join " ", %vars) . "\n";
2266 } 3329 }
2267 3330
2268 wantarray ? @res : $res[0] 3331 wantarray ? @res : $res[0]
2269} 3332}
2270 3333
… …
2284=cut 3347=cut
2285 3348
2286sub register_script_function { 3349sub register_script_function {
2287 my ($fun, $cb) = @_; 3350 my ($fun, $cb) = @_;
2288 3351
2289 no strict 'refs'; 3352 $fun = "safe::$fun" if $CFG{safe_eval};
2290 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3353 *$fun = $safe_hole->wrap ($cb);
2291} 3354}
2292 3355
2293=back 3356=back
2294 3357
2295=cut 3358=cut
2296
2297#############################################################################
2298
2299=head2 EXTENSION DATABASE SUPPORT
2300
2301Crossfire maintains a very simple database for extension use. It can
2302currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303convert to/from binary).
2304
2305The parameter C<$family> should best start with the name of the extension
2306using it, it should be unique.
2307
2308=over 4
2309
2310=item $value = cf::db_get $family => $key
2311
2312Returns a single value from the database.
2313
2314=item cf::db_put $family => $key => $value
2315
2316Stores the given C<$value> in the family.
2317
2318=cut
2319
2320our $DB;
2321
2322sub db_init {
2323 unless ($DB) {
2324 $DB = BDB::db_create $DB_ENV;
2325
2326 cf::sync_job {
2327 eval {
2328 $DB->set_flags (BDB::CHKSUM);
2329
2330 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332 cf::cleanup "db_open(db): $!" if $!;
2333 };
2334 cf::cleanup "db_open(db): $@" if $@;
2335 };
2336 }
2337}
2338
2339sub db_get($$) {
2340 my $key = "$_[0]/$_[1]";
2341
2342 cf::sync_job {
2343 BDB::db_get $DB, undef, $key, my $data;
2344
2345 $! ? ()
2346 : $data
2347 }
2348}
2349
2350sub db_put($$$) {
2351 BDB::dbreq_pri 4;
2352 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353}
2354
2355=item cf::cache $id => [$paths...], $processversion => $process
2356
2357Generic caching function that returns the value of the resource $id,
2358caching and regenerating as required.
2359
2360This function can block.
2361
2362=cut
2363
2364sub cache {
2365 my ($id, $src, $processversion, $process) = @_;
2366
2367 my $meta =
2368 join "\x00",
2369 $processversion,
2370 map {
2371 aio_stat $_
2372 and Carp::croak "$_: $!";
2373
2374 ($_, (stat _)[7,9])
2375 } @$src;
2376
2377 my $dbmeta = db_get cache => "$id/meta";
2378 if ($dbmeta ne $meta) {
2379 # changed, we may need to process
2380
2381 my @data;
2382 my $md5;
2383
2384 for (0 .. $#$src) {
2385 0 <= aio_load $src->[$_], $data[$_]
2386 or Carp::croak "$src->[$_]: $!";
2387 }
2388
2389 # if processing is expensive, check
2390 # checksum first
2391 if (1) {
2392 $md5 =
2393 join "\x00",
2394 $processversion,
2395 map {
2396 Coro::cede;
2397 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2398 } 0.. $#$src;
2399
2400
2401 my $dbmd5 = db_get cache => "$id/md5";
2402 if ($dbmd5 eq $md5) {
2403 db_put cache => "$id/meta", $meta;
2404
2405 return db_get cache => "$id/data";
2406 }
2407 }
2408
2409 my $t1 = Time::HiRes::time;
2410 my $data = $process->(\@data);
2411 my $t2 = Time::HiRes::time;
2412
2413 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415 db_put cache => "$id/data", $data;
2416 db_put cache => "$id/md5" , $md5;
2417 db_put cache => "$id/meta", $meta;
2418
2419 return $data;
2420 }
2421
2422 db_get cache => "$id/data"
2423}
2424
2425=item fork_call { }, $args
2426
2427Executes the given code block with the given arguments in a seperate
2428process, returning the results. Everything must be serialisable with
2429Coro::Storable. May, of course, block. Note that the executed sub may
2430never block itself or use any form of Event handling.
2431
2432=cut
2433
2434sub fork_call(&@) {
2435 my ($cb, @args) = @_;
2436
2437# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438# or die "socketpair: $!";
2439 pipe my $fh1, my $fh2
2440 or die "pipe: $!";
2441
2442 if (my $pid = fork) {
2443 close $fh2;
2444
2445 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446 $res = Coro::Storable::thaw $res;
2447
2448 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450 die $$res unless "ARRAY" eq ref $res;
2451
2452 return wantarray ? @$res : $res->[-1];
2453 } else {
2454 reset_signals;
2455 local $SIG{__WARN__};
2456 local $SIG{__DIE__};
2457 eval {
2458 close $fh1;
2459
2460 my @res = eval { $cb->(@args) };
2461 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462 };
2463
2464 warn $@ if $@;
2465 _exit 0;
2466 }
2467}
2468
2469
2470 3359
2471############################################################################# 3360#############################################################################
2472# the server's init and main functions 3361# the server's init and main functions
2473 3362
3363# async inc loader. yay.
3364sub inc_loader {
3365 my $mod = $_[1];
3366
3367 if (in_main && !tick_inhibit) {
3368 Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
3369 } else {
3370 debug "loading perl module $mod\n";
3371 }
3372
3373 # 1. find real file
3374 for my $dir (@ORIG_INC) {
3375 warn "$dir/$mod\n";#d#
3376 ref $dir and next;
3377 0 <= Coro::AIO::aio_load "$dir/$mod", my $data
3378 or next;
3379
3380 $data = "#line 1 $dir/$mod\n$data";
3381
3382 open my $fh, "<", \$data or die;
3383
3384 return $fh;
3385 }
3386
3387 ()
3388}
3389
3390sub init_inc {
3391 # save original @INC
3392 @ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
3393
3394 # make sure we can do scalar-opens
3395 open my $dummy, "<", \my $dummy2;
3396
3397 # execute some stuff so perl load's some of the core modules
3398 /Ü/ =~ /ü/i;
3399 eval { &Storable::nstore_fd };
3400
3401 @INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
3402
3403 debug "module loading will be asynchronous from this point on.";
3404}
3405
2474sub load_facedata($) { 3406sub load_facedata($) {
2475 my ($path) = @_; 3407 my ($path) = @_;
2476 3408
3409 # HACK to clear player env face cache, we need some signal framework
3410 # for this (global event?)
3411 %ext::player_env::MUSIC_FACE_CACHE = ();
3412
3413 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3414
2477 warn "loading facedata from $path\n"; 3415 trace "loading facedata from $path\n";
2478 3416
2479 my $facedata; 3417 my $facedata;
2480 0 < aio_load $path, $facedata 3418 0 < aio_load $path, $facedata
2481 or die "$path: $!"; 3419 or die "$path: $!";
2482 3420
2483 $facedata = Coro::Storable::thaw $facedata; 3421 $facedata = Coro::Storable::thaw $facedata;
2484 3422
2485 $facedata->{version} == 2 3423 $facedata->{version} == 2
2486 or cf::cleanup "$path: version mismatch, cannot proceed."; 3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
2487 3425
3426 # patch in the exptable
3427 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3428 $facedata->{resource}{"res/exp_table"} = {
3429 type => FT_RSRC,
3430 data => $exp_table,
3431 hash => (Digest::MD5::md5 $exp_table),
3432 };
3433 cf::cede_to_tick;
3434
2488 { 3435 {
2489 my $faces = $facedata->{faceinfo}; 3436 my $faces = $facedata->{faceinfo};
2490 3437
2491 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2492 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3440
2493 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3441 cf::face::set_visibility $idx, $info->{visibility};
3442 cf::face::set_magicmap $idx, $info->{magicmap};
2494 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496 Coro::cede; 3445
3446 cf::cede_to_tick;
2497 } 3447 }
2498 3448
2499 while (my ($face, $info) = each %$faces) { 3449 while (my ($face, $info) = each %$faces) {
2500 next unless $info->{smooth}; 3450 next unless $info->{smooth};
3451
2501 my $idx = cf::face::find $face 3452 my $idx = cf::face::find $face
2502 or next; 3453 or next;
3454
2503 if (my $smooth = cf::face::find $info->{smooth}) { 3455 if (my $smooth = cf::face::find $info->{smooth}) {
3456 cf::face::set_smooth $idx, $smooth;
2504 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505 } else { 3458 } else {
2506 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3459 error "smooth face '$info->{smooth}' not found for face '$face'";
2507 } 3460 }
2508 Coro::cede; 3461
3462 cf::cede_to_tick;
2509 } 3463 }
2510 } 3464 }
2511 3465
2512 { 3466 {
2513 my $anims = $facedata->{animinfo}; 3467 my $anims = $facedata->{animinfo};
2514 3468
2515 while (my ($anim, $info) = each %$anims) { 3469 while (my ($anim, $info) = each %$anims) {
2516 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3470 cf::anim::set $anim, $info->{frames}, $info->{facings};
2517 Coro::cede; 3471 cf::cede_to_tick;
2518 } 3472 }
2519 3473
2520 cf::anim::invalidate_all; # d'oh 3474 cf::anim::invalidate_all; # d'oh
2521 } 3475 }
2522 3476
3477 {
3478 my $res = $facedata->{resource};
3479
3480 while (my ($name, $info) = each %$res) {
3481 if (defined $info->{type}) {
3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3483
3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type};
3486 } else {
3487 $RESOURCE{$name} = $info; # unused
3488 }
3489
3490 cf::cede_to_tick;
3491 }
3492 }
3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3495
2523 1 3496 1
2524} 3497}
2525 3498
3499register_exticmd fx_want => sub {
3500 my ($ns, $want) = @_;
3501
3502 while (my ($k, $v) = each %$want) {
3503 $ns->fx_want ($k, $v);
3504 }
3505};
3506
3507sub load_resource_file($) {
3508 my $guard = lock_acquire "load_resource_file";
3509
3510 my $status = load_resource_file_ $_[0];
3511 get_slot 0.1, 100;
3512 cf::arch::commit_load;
3513
3514 $status
3515}
3516
2526sub reload_regions { 3517sub reload_regions {
3518 # HACK to clear player env face cache, we need some signal framework
3519 # for this (global event?)
3520 %ext::player_env::MUSIC_FACE_CACHE = ();
3521
2527 load_resource_file "$MAPDIR/regions" 3522 load_resource_file "$MAPDIR/regions"
2528 or die "unable to load regions file\n"; 3523 or die "unable to load regions file\n";
3524
3525 for (cf::region::list) {
3526 $_->{match} = qr/$_->{match}/
3527 if exists $_->{match};
3528 }
2529} 3529}
2530 3530
2531sub reload_facedata { 3531sub reload_facedata {
2532 load_facedata "$DATADIR/facedata" 3532 load_facedata "$DATADIR/facedata"
2533 or die "unable to load facedata\n"; 3533 or die "unable to load facedata\n";
… …
2541sub reload_treasures { 3541sub reload_treasures {
2542 load_resource_file "$DATADIR/treasures" 3542 load_resource_file "$DATADIR/treasures"
2543 or die "unable to load treasurelists\n"; 3543 or die "unable to load treasurelists\n";
2544} 3544}
2545 3545
3546sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n";
3548
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3553
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_]
3556 or next;
3557
3558 my $face = cf::face::find "sound/$sound->[1]";
3559 cf::sound::set $sound->[0] => $face;
3560 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3561 }
3562
3563 while (my ($k, $v) = each %{$soundconf->{event}}) {
3564 my $face = cf::face::find "sound/$v";
3565 cf::sound::set $k => $face;
3566 }
3567}
3568
2546sub reload_resources { 3569sub reload_resources {
2547 warn "reloading resource files...\n"; 3570 trace "reloading resource files...\n";
2548 3571
3572 reload_facedata;
3573 reload_sound;
3574 reload_archetypes;
2549 reload_regions; 3575 reload_regions;
2550 reload_facedata;
2551 reload_archetypes;
2552 reload_treasures; 3576 reload_treasures;
2553 3577
2554 warn "finished reloading resource files\n"; 3578 trace "finished reloading resource files\n";
2555} 3579}
2556 3580
2557sub init { 3581sub reload_config {
2558 reload_resources; 3582 trace "reloading config file...\n";
2559}
2560 3583
2561sub cfg_load {
2562 open my $fh, "<:utf8", "$CONFDIR/config" 3584 open my $fh, "<:utf8", "$CONFDIR/config"
2563 or return; 3585 or return;
2564 3586
2565 local $/; 3587 local $/;
2566 *CFG = YAML::Syck::Load <$fh>; 3588 *CFG = YAML::XS::Load scalar <$fh>;
2567 3589
2568 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3590 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569 3591
2570 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3592 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3593 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572 3594
2573 if (exists $CFG{mlockall}) { 3595 if (exists $CFG{mlockall}) {
… …
2575 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3597 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2576 and die "WARNING: m(un)lockall failed: $!\n"; 3598 and die "WARNING: m(un)lockall failed: $!\n";
2577 }; 3599 };
2578 warn $@ if $@; 3600 warn $@ if $@;
2579 } 3601 }
3602
3603 trace "finished reloading resource files\n";
3604}
3605
3606sub pidfile() {
3607 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3608 or die "$PIDFILE: $!";
3609 flock $fh, &Fcntl::LOCK_EX
3610 or die "$PIDFILE: flock: $!";
3611 $fh
3612}
3613
3614# make sure only one server instance is running at any one time
3615sub atomic {
3616 my $fh = pidfile;
3617
3618 my $pid = <$fh>;
3619 kill 9, $pid if $pid > 0;
3620
3621 seek $fh, 0, 0;
3622 print $fh $$;
3623}
3624
3625sub main_loop {
3626 trace "EV::loop starting\n";
3627 if (1) {
3628 EV::loop;
3629 }
3630 trace "EV::loop returned\n";
3631 goto &main_loop unless $REALLY_UNLOOP;
2580} 3632}
2581 3633
2582sub main { 3634sub main {
3635 cf::init_globals; # initialise logging
3636
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643
2583 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
2584 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
2585 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3646 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586 (async { 3647 (async {
2587 Event::one_event; 3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
2588 })->prio (Coro::PRIO_MAX); 3650 })->prio (Coro::PRIO_MAX);
2589 }; 3651 };
2590 3652
2591 cfg_load; 3653 evthread_start IO::AIO::poll_fileno;
3654
3655 cf::sync_job {
3656 init_inc;
3657
3658 cf::init_experience;
3659 cf::init_anim;
3660 cf::init_attackmess;
3661 cf::init_dynamic;
3662
3663 cf::load_settings;
3664 cf::load_materials;
3665
3666 reload_resources;
3667 reload_config;
2592 db_init; 3668 db_init;
3669
3670 cf::init_uuid;
3671 cf::init_signals;
3672 cf::init_skills;
3673
3674 cf::init_beforeplay;
3675
3676 atomic;
3677
2593 load_extensions; 3678 load_extensions;
2594 3679
2595 $TICK_WATCHER->start; 3680 utime time, time, $RUNTIMEFILE;
2596 Event::loop; 3681
3682 # no (long-running) fork's whatsoever before this point(!)
3683 use POSIX ();
3684 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3685
3686 (pop @POST_INIT)->(0) while @POST_INIT;
3687 };
3688
3689 cf::object::thawer::errors_are_fatal 0;
3690 info "parse errors in files are no longer fatal from this point on.\n";
3691
3692 my $free_main; $free_main = EV::idle sub {
3693 undef $free_main;
3694 undef &main; # free gobs of memory :)
3695 };
3696
3697 goto &main_loop;
2597} 3698}
2598 3699
2599############################################################################# 3700#############################################################################
2600# initialisation and cleanup 3701# initialisation and cleanup
2601 3702
2602# install some emergency cleanup handlers 3703# install some emergency cleanup handlers
2603BEGIN { 3704BEGIN {
3705 our %SIGWATCHER = ();
2604 for my $signal (qw(INT HUP TERM)) { 3706 for my $signal (qw(INT HUP TERM)) {
2605 Event->signal ( 3707 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 signal => $signal,
2609 prio => 0,
2610 cb => sub {
2611 cf::cleanup "SIG$signal"; 3708 cf::cleanup "SIG$signal";
2612 },
2613 ); 3709 };
3710 }
3711}
3712
3713sub write_runtime_sync {
3714 my $t0 = AE::time;
3715
3716 # first touch the runtime file to show we are still running:
3717 # the fsync below can take a very very long time.
3718
3719 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3720
3721 my $guard = cf::lock_acquire "write_runtime";
3722
3723 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3724 or return;
3725
3726 my $value = $cf::RUNTIME + 90 + 10;
3727 # 10 is the runtime save interval, for a monotonic clock
3728 # 60 allows for the watchdog to kill the server.
3729
3730 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3731 and return;
3732
3733 # always fsync - this file is important
3734 aio_fsync $fh
3735 and return;
3736
3737 # touch it again to show we are up-to-date
3738 aio_utime $fh, undef, undef;
3739
3740 close $fh
3741 or return;
3742
3743 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3744 and return;
3745
3746 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3747
2614 } 3748 1
3749}
3750
3751our $uuid_lock;
3752our $uuid_skip;
3753
3754sub write_uuid_sync($) {
3755 $uuid_skip ||= $_[0];
3756
3757 return if $uuid_lock;
3758 local $uuid_lock = 1;
3759
3760 my $uuid = "$LOCALDIR/uuid";
3761
3762 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3763 or return;
3764
3765 my $value = uuid_seq uuid_cur;
3766
3767 unless ($value) {
3768 info "cowardly refusing to write zero uuid value!\n";
3769 return;
3770 }
3771
3772 my $value = uuid_str $value + $uuid_skip;
3773 $uuid_skip = 0;
3774
3775 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3776 and return;
3777
3778 # always fsync - this file is important
3779 aio_fsync $fh
3780 and return;
3781
3782 close $fh
3783 or return;
3784
3785 aio_rename "$uuid~", $uuid
3786 and return;
3787
3788 trace "uuid file written ($value).\n";
3789
3790 1
3791
3792}
3793
3794sub write_uuid($$) {
3795 my ($skip, $sync) = @_;
3796
3797 $sync ? write_uuid_sync $skip
3798 : async { write_uuid_sync $skip };
2615} 3799}
2616 3800
2617sub emergency_save() { 3801sub emergency_save() {
2618 my $freeze_guard = cf::freeze_mainloop; 3802 my $freeze_guard = cf::freeze_mainloop;
2619 3803
2620 warn "enter emergency perl save\n"; 3804 info "emergency_perl_save: enter\n";
3805
3806 # this is a trade-off: we want to be very quick here, so
3807 # save all maps without fsync, and later call a global sync
3808 # (which in turn might be very very slow)
3809 local $USE_FSYNC = 0;
2621 3810
2622 cf::sync_job { 3811 cf::sync_job {
3812 cf::write_runtime_sync; # external watchdog should not bark
3813
2623 # use a peculiar iteration method to avoid tripping on perl 3814 # use a peculiar iteration method to avoid tripping on perl
2624 # refcount bugs in for. also avoids problems with players 3815 # refcount bugs in for. also avoids problems with players
2625 # and maps saved/destroyed asynchronously. 3816 # and maps saved/destroyed asynchronously.
2626 warn "begin emergency player save\n"; 3817 info "emergency_perl_save: begin player save\n";
2627 for my $login (keys %cf::PLAYER) { 3818 for my $login (keys %cf::PLAYER) {
2628 my $pl = $cf::PLAYER{$login} or next; 3819 my $pl = $cf::PLAYER{$login} or next;
2629 $pl->valid or next; 3820 $pl->valid or next;
3821 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630 $pl->save; 3822 $pl->save;
2631 } 3823 }
2632 warn "end emergency player save\n"; 3824 info "emergency_perl_save: end player save\n";
2633 3825
2634 warn "begin emergency map save\n"; 3826 cf::write_runtime_sync; # external watchdog should not bark
3827
3828 info "emergency_perl_save: begin map save\n";
2635 for my $path (keys %cf::MAP) { 3829 for my $path (keys %cf::MAP) {
2636 my $map = $cf::MAP{$path} or next; 3830 my $map = $cf::MAP{$path} or next;
2637 $map->valid or next; 3831 $map->valid or next;
2638 $map->save; 3832 $map->save;
2639 } 3833 }
2640 warn "end emergency map save\n"; 3834 info "emergency_perl_save: end map save\n";
2641 3835
2642 warn "begin emergency database checkpoint\n"; 3836 cf::write_runtime_sync; # external watchdog should not bark
3837
3838 info "emergency_perl_save: begin database checkpoint\n";
2643 BDB::db_env_txn_checkpoint $DB_ENV; 3839 BDB::db_env_txn_checkpoint $DB_ENV;
2644 warn "end emergency database checkpoint\n"; 3840 info "emergency_perl_save: end database checkpoint\n";
3841
3842 info "emergency_perl_save: begin write uuid\n";
3843 write_uuid_sync 1;
3844 info "emergency_perl_save: end write uuid\n";
3845
3846 cf::write_runtime_sync; # external watchdog should not bark
3847
3848 trace "emergency_perl_save: syncing database to disk";
3849 BDB::db_env_txn_checkpoint $DB_ENV;
3850
3851 info "emergency_perl_save: starting sync\n";
3852 IO::AIO::aio_sync sub {
3853 info "emergency_perl_save: finished sync\n";
3854 };
3855
3856 cf::write_runtime_sync; # external watchdog should not bark
3857
3858 trace "emergency_perl_save: flushing outstanding aio requests";
3859 while (IO::AIO::nreqs || BDB::nreqs) {
3860 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3861 }
3862
3863 cf::write_runtime_sync; # external watchdog should not bark
2645 }; 3864 };
2646 3865
2647 warn "leave emergency perl save\n"; 3866 info "emergency_perl_save: leave\n";
2648} 3867}
2649 3868
2650sub post_cleanup { 3869sub post_cleanup {
2651 my ($make_core) = @_; 3870 my ($make_core) = @_;
2652 3871
3872 IO::AIO::flush;
3873
2653 warn Carp::longmess "post_cleanup backtrace" 3874 error Carp::longmess "post_cleanup backtrace"
2654 if $make_core; 3875 if $make_core;
3876
3877 my $fh = pidfile;
3878 unlink $PIDFILE if <$fh> == $$;
3879}
3880
3881# a safer delete_package, copied from Symbol
3882sub clear_package($) {
3883 my $pkg = shift;
3884
3885 # expand to full symbol table name if needed
3886 unless ($pkg =~ /^main::.*::$/) {
3887 $pkg = "main$pkg" if $pkg =~ /^::/;
3888 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3889 $pkg .= '::' unless $pkg =~ /::$/;
3890 }
3891
3892 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3893 my $stem_symtab = *{$stem}{HASH};
3894
3895 defined $stem_symtab and exists $stem_symtab->{$leaf}
3896 or return;
3897
3898 # clear all symbols
3899 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3900 for my $name (keys %$leaf_symtab) {
3901 _gv_clear *{"$pkg$name"};
3902# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3903 }
2655} 3904}
2656 3905
2657sub do_reload_perl() { 3906sub do_reload_perl() {
2658 # can/must only be called in main 3907 # can/must only be called in main
2659 if ($Coro::current != $Coro::main) { 3908 if (in_main) {
2660 warn "can only reload from main coroutine"; 3909 error "can only reload from main coroutine";
2661 return; 3910 return;
2662 } 3911 }
2663 3912
3913 return if $RELOAD++;
3914
3915 my $t1 = AE::time;
3916
3917 while ($RELOAD) {
2664 warn "reloading..."; 3918 info "reloading...";
2665 3919
2666 warn "entering sync_job"; 3920 trace "entering sync_job";
2667 3921
2668 cf::sync_job { 3922 cf::sync_job {
2669 cf::write_runtime; # external watchdog should not bark
2670 cf::emergency_save; 3923 cf::emergency_save;
2671 cf::write_runtime; # external watchdog should not bark
2672 3924
2673 warn "syncing database to disk";
2674 BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676 # if anything goes wrong in here, we should simply crash as we already saved
2677
2678 warn "cancelling all WF_AUTOCANCEL watchers";
2679 for (Event::all_watchers) {
2680 $_->cancel if $_->data & WF_AUTOCANCEL;
2681 }
2682
2683 warn "flushing outstanding aio requests";
2684 for (;;) {
2685 BDB::flush;
2686 IO::AIO::flush;
2687 Coro::cede;
2688 last unless IO::AIO::nreqs || BDB::nreqs;
2689 warn "iterate...";
2690 }
2691
2692 ++$RELOAD;
2693
2694 warn "cancelling all extension coros"; 3925 trace "cancelling all extension coros";
2695 $_->cancel for values %EXT_CORO; 3926 $_->cancel for values %EXT_CORO;
2696 %EXT_CORO = (); 3927 %EXT_CORO = ();
2697 3928
2698 warn "removing commands"; 3929 trace "removing commands";
2699 %COMMAND = (); 3930 %COMMAND = ();
2700 3931
2701 warn "removing ext commands"; 3932 trace "removing ext/exti commands";
2702 %EXTCMD = (); 3933 %EXTCMD = ();
3934 %EXTICMD = ();
2703 3935
2704 warn "unloading/nuking all extensions"; 3936 trace "unloading/nuking all extensions";
2705 for my $pkg (@EXTS) { 3937 for my $pkg (@EXTS) {
2706 warn "... unloading $pkg"; 3938 trace "... unloading $pkg";
2707 3939
2708 if (my $cb = $pkg->can ("unload")) { 3940 if (my $cb = $pkg->can ("unload")) {
2709 eval { 3941 eval {
2710 $cb->($pkg); 3942 $cb->($pkg);
2711 1 3943 1
2712 } or warn "$pkg unloaded, but with errors: $@"; 3944 } or error "$pkg unloaded, but with errors: $@";
3945 }
3946
3947 trace "... clearing $pkg";
3948 clear_package $pkg;
2713 } 3949 }
2714 3950
2715 warn "... nuking $pkg";
2716 Symbol::delete_package $pkg;
2717 }
2718
2719 warn "unloading all perl modules loaded from $LIBDIR"; 3951 trace "unloading all perl modules loaded from $LIBDIR";
2720 while (my ($k, $v) = each %INC) { 3952 while (my ($k, $v) = each %INC) {
2721 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3953 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722 3954
2723 warn "... unloading $k"; 3955 trace "... unloading $k";
2724 delete $INC{$k}; 3956 delete $INC{$k};
2725 3957
2726 $k =~ s/\.pm$//; 3958 $k =~ s/\.pm$//;
2727 $k =~ s/\//::/g; 3959 $k =~ s/\//::/g;
2728 3960
2729 if (my $cb = $k->can ("unload_module")) { 3961 if (my $cb = $k->can ("unload_module")) {
2730 $cb->(); 3962 $cb->();
3963 }
3964
3965 clear_package $k;
2731 } 3966 }
2732 3967
2733 Symbol::delete_package $k;
2734 }
2735
2736 warn "getting rid of safe::, as good as possible"; 3968 trace "getting rid of safe::, as good as possible";
2737 Symbol::delete_package "safe::$_" 3969 clear_package "safe::$_"
2738 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3970 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739 3971
2740 warn "unloading cf.pm \"a bit\""; 3972 trace "unloading cf.pm \"a bit\"";
2741 delete $INC{"cf.pm"}; 3973 delete $INC{"cf.pm"};
2742 delete $INC{"cf/pod.pm"}; 3974 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743 3975
2744 # don't, removes xs symbols, too, 3976 # don't, removes xs symbols, too,
2745 # and global variables created in xs 3977 # and global variables created in xs
2746 #Symbol::delete_package __PACKAGE__; 3978 #clear_package __PACKAGE__;
2747 3979
2748 warn "unload completed, starting to reload now"; 3980 info "unload completed, starting to reload now";
2749 3981
2750 warn "reloading cf.pm"; 3982 trace "reloading cf.pm";
2751 require cf; 3983 require cf;
2752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3984 cf::_connect_to_perl_1;
2753 3985
2754 warn "loading config and database again"; 3986 trace "loading config and database again";
2755 cf::cfg_load; 3987 cf::reload_config;
2756 3988
2757 warn "loading extensions"; 3989 trace "loading extensions";
2758 cf::load_extensions; 3990 cf::load_extensions;
2759 3991
3992 if ($REATTACH_ON_RELOAD) {
2760 warn "reattaching attachments to objects/players"; 3993 trace "reattaching attachments to objects/players";
2761 _global_reattach; # objects, sockets 3994 _global_reattach; # objects, sockets
2762 warn "reattaching attachments to maps"; 3995 trace "reattaching attachments to maps";
2763 reattach $_ for values %MAP; 3996 reattach $_ for values %MAP;
2764 warn "reattaching attachments to players"; 3997 trace "reattaching attachments to players";
2765 reattach $_ for values %PLAYER; 3998 reattach $_ for values %PLAYER;
3999 }
2766 4000
4001 trace "running post_init jobs";
4002 (pop @POST_INIT)->(1) while @POST_INIT;
4003
2767 warn "leaving sync_job"; 4004 trace "leaving sync_job";
2768 4005
2769 1 4006 1
2770 } or do { 4007 } or do {
2771 warn $@; 4008 error $@;
2772 warn "error while reloading, exiting."; 4009 cf::cleanup "error while reloading, exiting.";
2773 exit 1; 4010 };
4011
4012 info "reloaded";
4013 --$RELOAD;
2774 }; 4014 }
2775 4015
2776 warn "reloaded"; 4016 $t1 = AE::time - $t1;
4017 info "reload completed in ${t1}s\n";
2777}; 4018};
2778 4019
2779our $RELOAD_WATCHER; # used only during reload 4020our $RELOAD_WATCHER; # used only during reload
2780 4021
2781sub reload_perl() { 4022sub reload_perl() {
2782 # doing reload synchronously and two reloads happen back-to-back, 4023 # doing reload synchronously and two reloads happen back-to-back,
2783 # coro crashes during coro_state_free->destroy here. 4024 # coro crashes during coro_state_free->destroy here.
2784 4025
2785 $RELOAD_WATCHER ||= Event->timer ( 4026 $RELOAD_WATCHER ||= cf::async {
2786 reentrant => 0, 4027 Coro::AIO::aio_wait cache_extensions;
2787 after => 0, 4028
2788 data => WF_AUTOCANCEL, 4029 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789 cb => sub {
2790 do_reload_perl; 4030 do_reload_perl;
2791 undef $RELOAD_WATCHER; 4031 undef $RELOAD_WATCHER;
2792 }, 4032 };
2793 ); 4033 };
2794} 4034}
2795 4035
2796register_command "reload" => sub { 4036register_command "reload" => sub {
2797 my ($who, $arg) = @_; 4037 my ($who, $arg) = @_;
2798 4038
2799 if ($who->flag (FLAG_WIZ)) { 4039 if ($who->flag (FLAG_WIZ)) {
2800 $who->message ("reloading server."); 4040 $who->message ("reloading server.");
4041 async {
4042 $Coro::current->{desc} = "perl_reload";
2801 async { reload_perl }; 4043 reload_perl;
4044 };
2802 } 4045 }
2803}; 4046};
2804 4047
2805unshift @INC, $LIBDIR; 4048#############################################################################
2806 4049
2807my $bug_warning = 0; 4050my $bug_warning = 0;
2808 4051
2809our @WAIT_FOR_TICK; 4052our @WAIT_FOR_TICK;
2810our @WAIT_FOR_TICK_BEGIN; 4053our @WAIT_FOR_TICK_BEGIN;
2811 4054
2812sub wait_for_tick { 4055sub wait_for_tick {
2813 return unless $TICK_WATCHER->is_active;
2814 return if $Coro::current == $Coro::main; 4056 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815 4057
2816 my $signal = new Coro::Signal; 4058 my $signal = new Coro::Signal;
2817 push @WAIT_FOR_TICK, $signal; 4059 push @WAIT_FOR_TICK, $signal;
2818 $signal->wait; 4060 $signal->wait;
2819} 4061}
2820 4062
2821sub wait_for_tick_begin { 4063sub wait_for_tick_begin {
2822 return unless $TICK_WATCHER->is_active;
2823 return if $Coro::current == $Coro::main; 4064 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824 4065
2825 my $signal = new Coro::Signal; 4066 my $signal = new Coro::Signal;
2826 push @WAIT_FOR_TICK_BEGIN, $signal; 4067 push @WAIT_FOR_TICK_BEGIN, $signal;
2827 $signal->wait; 4068 $signal->wait;
2828} 4069}
2829 4070
2830$TICK_WATCHER = Event->timer ( 4071sub tick {
2831 reentrant => 0,
2832 parked => 1,
2833 prio => 0,
2834 at => $NEXT_TICK || $TICK,
2835 data => WF_AUTOCANCEL,
2836 cb => sub {
2837 if ($Coro::current != $Coro::main) { 4072 if ($Coro::current != $Coro::main) {
2838 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4073 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839 unless ++$bug_warning > 10; 4074 unless ++$bug_warning > 10;
2840 return; 4075 return;
2841 } 4076 }
2842 4077
2843 $NOW = Event::time;
2844
2845 cf::server_tick; # one server iteration 4078 cf::server_tick; # one server iteration
2846 4079
2847 $RUNTIME += $TICK; 4080 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848 $NEXT_TICK += $TICK;
2849 4081
2850 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4082 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851 $NEXT_RUNTIME_WRITE = $NOW + 10; 4083 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852 Coro::async_pool { 4084 Coro::async_pool {
4085 $Coro::current->{desc} = "runtime saver";
2853 write_runtime 4086 write_runtime_sync
2854 or warn "ERROR: unable to write runtime file: $!"; 4087 or error "ERROR: unable to write runtime file: $!";
2855 };
2856 } 4088 };
4089 }
2857 4090
2858# my $AFTER = Event::time;
2859# warn $AFTER - $NOW;#d#
2860
2861 # if we are delayed by four ticks or more, skip them all
2862 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864 $TICK_WATCHER->at ($NEXT_TICK);
2865 $TICK_WATCHER->start;
2866
2867 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4091 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868 $sig->send; 4092 $sig->send;
2869 } 4093 }
2870 while (my $sig = shift @WAIT_FOR_TICK) { 4094 while (my $sig = shift @WAIT_FOR_TICK) {
2871 $sig->send; 4095 $sig->send;
2872 }
2873
2874 _post_tick;
2875 }, 4096 }
2876); 4097
4098 $LOAD = ($NOW - $TICK_START) / $TICK;
4099 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4100
4101 if (0) {
4102 if ($NEXT_TICK) {
4103 my $jitter = $TICK_START - $NEXT_TICK;
4104 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4105 debug "jitter $JITTER\n";#d#
4106 }
4107 }
4108}
2877 4109
2878{ 4110{
2879 BDB::max_poll_time $TICK * 0.1; 4111 # configure BDB
2880 $BDB_POLL_WATCHER = Event->io ( 4112
2881 reentrant => 0,
2882 fd => BDB::poll_fileno,
2883 poll => 'r',
2884 prio => 0,
2885 data => WF_AUTOCANCEL,
2886 cb => \&BDB::poll_cb,
2887 );
2888 BDB::min_parallel 8; 4113 BDB::min_parallel 16;
2889 4114 BDB::max_poll_reqs $TICK * 0.1;
2890 BDB::set_sync_prepare { 4115 $AnyEvent::BDB::WATCHER->priority (1);
2891 my $status;
2892 my $current = $Coro::current;
2893 (
2894 sub {
2895 $status = $!;
2896 $current->ready; undef $current;
2897 },
2898 sub {
2899 Coro::schedule while defined $current;
2900 $! = $status;
2901 },
2902 )
2903 };
2904 4116
2905 unless ($DB_ENV) { 4117 unless ($DB_ENV) {
2906 $DB_ENV = BDB::db_env_create; 4118 $DB_ENV = BDB::db_env_create;
4119 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4120 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4121 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4122 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4123 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907 4124
2908 cf::sync_job { 4125 cf::sync_job {
2909 eval { 4126 eval {
2910 BDB::db_env_open 4127 BDB::db_env_open
2911 $DB_ENV, 4128 $DB_ENV,
… …
2913 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4130 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4131 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915 0666; 4132 0666;
2916 4133
2917 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4134 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920 $DB_ENV->set_lk_detect;
2921 }; 4135 };
2922 4136
2923 cf::cleanup "db_env_open(db): $@" if $@; 4137 cf::cleanup "db_env_open(db): $@" if $@;
2924 }; 4138 };
2925 } 4139 }
4140
4141 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4142 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4143 };
4144 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4145 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4146 };
4147 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4148 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4149 };
2926} 4150}
2927 4151
2928{ 4152{
4153 # configure IO::AIO
4154
2929 IO::AIO::min_parallel 8; 4155 IO::AIO::min_parallel 8;
2930
2931 undef $Coro::AIO::WATCHER;
2932 IO::AIO::max_poll_time $TICK * 0.1; 4156 IO::AIO::max_poll_time $TICK * 0.1;
2933 $AIO_POLL_WATCHER = Event->io ( 4157 undef $AnyEvent::AIO::WATCHER;
2934 reentrant => 0,
2935 data => WF_AUTOCANCEL,
2936 fd => IO::AIO::poll_fileno,
2937 poll => 'r',
2938 prio => 6,
2939 cb => \&IO::AIO::poll_cb,
2940 );
2941} 4158}
2942 4159
2943my $_log_backtrace; 4160my $_log_backtrace;
2944 4161
2945sub _log_backtrace { 4162sub _log_backtrace {
… …
2948 $msg =~ s/\n//; 4165 $msg =~ s/\n//;
2949 4166
2950 # limit the # of concurrent backtraces 4167 # limit the # of concurrent backtraces
2951 if ($_log_backtrace < 2) { 4168 if ($_log_backtrace < 2) {
2952 ++$_log_backtrace; 4169 ++$_log_backtrace;
4170 my $perl_bt = Carp::longmess $msg;
2953 async { 4171 async {
4172 $Coro::current->{desc} = "abt $msg";
4173
2954 my @bt = fork_call { 4174 my @bt = fork_call {
2955 @addr = map { sprintf "%x", $_ } @addr; 4175 @addr = map { sprintf "%x", $_ } @addr;
2956 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4176 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4177 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958 or die "addr2line: $!"; 4178 or die "addr2line: $!";
… …
2966 } 4186 }
2967 4187
2968 @funcs 4188 @funcs
2969 }; 4189 };
2970 4190
2971 LOG llevInfo, "[ABT] $msg\n"; 4191 LOG llevInfo, "[ABT] $perl_bt\n";
4192 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972 LOG llevInfo, "[ABT] $_\n" for @bt; 4193 LOG llevInfo, "[ABT] $_\n" for @bt;
2973 --$_log_backtrace; 4194 --$_log_backtrace;
2974 }; 4195 };
2975 } else { 4196 } else {
2976 LOG llevInfo, "[ABT] $msg\n"; 4197 LOG llevInfo, "[ABT] $msg\n";
2977 LOG llevInfo, "[ABT] [suppressed]\n"; 4198 LOG llevInfo, "[ABT] [suppressed]\n";
2978 } 4199 }
2979} 4200}
2980 4201
2981# load additional modules 4202# load additional modules
2982use cf::pod; 4203require "cf/$_.pm" for @EXTRA_MODULES;
4204cf::_connect_to_perl_2;
2983 4205
2984END { cf::emergency_save } 4206END { cf::emergency_save }
2985 4207
29861 42081
2987 4209

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