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Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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-\x09\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 $guard = cf::lock_acquire "write_runtime";
373 584
374 my $runtime = "$LOCALDIR/runtime"; 585Executes the given code block with the given arguments in a seperate
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.
375 589
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 590=cut
377 or return;
378 591
379 my $value = $cf::RUNTIME + 90 + 10; 592sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 593 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 594
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 595 # we seemingly have to make a local copy of the whole thing,
384 and return; 596 # otherwise perl prematurely frees the stuff :/
597 # TODO: investigate and fix (likely this will be rather laborious)
385 598
386 # always fsync - this file is important 599 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 600 reset_signals;
388 and return; 601 &$cb
602 }, @args;
389 603
390 close $fh 604 wantarray ? @res : $res[-1]
391 or return; 605}
392 606
393 aio_rename "$runtime~", $runtime 607sub objinfo {
394 and return;
395
396 1 608 (
609 "counter value" => cf::object::object_count,
610 "objects created" => cf::object::create_count,
611 "objects destroyed" => cf::object::destroy_count,
612 "freelist size" => cf::object::free_count,
613 "allocated objects" => cf::object::objects_size,
614 "active objects" => cf::object::actives_size,
615 )
616}
617
618=item $coin = coin_from_name $name
619
620=cut
621
622our %coin_alias = (
623 "silver" => "silvercoin",
624 "silvercoin" => "silvercoin",
625 "silvercoins" => "silvercoin",
626 "gold" => "goldcoin",
627 "goldcoin" => "goldcoin",
628 "goldcoins" => "goldcoin",
629 "platinum" => "platinacoin",
630 "platinumcoin" => "platinacoin",
631 "platinumcoins" => "platinacoin",
632 "platina" => "platinacoin",
633 "platinacoin" => "platinacoin",
634 "platinacoins" => "platinacoin",
635 "royalty" => "royalty",
636 "royalties" => "royalty",
637);
638
639sub coin_from_name($) {
640 $coin_alias{$_[0]}
641 ? cf::arch::find $coin_alias{$_[0]}
642 : undef
643}
644
645=item $value = cf::db_get $family => $key
646
647Returns a single value from the environment database.
648
649=item cf::db_put $family => $key => $value
650
651Stores the given C<$value> in the family. It can currently store binary
652data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
653
654=item $db = cf::db_table "name"
655
656Create and/or open a new database table. The string must not be "db" and must be unique
657within each server.
658
659=cut
660
661sub db_table($) {
662 cf::error "db_get called from main context"
663 if $Coro::current == $Coro::main;
664
665 my ($name) = @_;
666 my $db = BDB::db_create $DB_ENV;
667
668 eval {
669 $db->set_flags (BDB::CHKSUM);
670
671 utf8::encode $name;
672 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
673 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
674 cf::cleanup "db_open(db): $!" if $!;
675 };
676 cf::cleanup "db_open(db): $@" if $@;
677
678 $db
679}
680
681our $DB;
682
683sub db_init {
684 $DB ||= db_table "db";
685}
686
687sub db_get($$) {
688 my $key = "$_[0]/$_[1]";
689
690 cf::error "db_get called from main context"
691 if $Coro::current == $Coro::main;
692
693 BDB::db_get $DB, undef, $key, my $data;
694
695 $! ? ()
696 : $data
697}
698
699sub db_put($$$) {
700 BDB::dbreq_pri 4;
701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
702}
703
704=item cf::cache $id => [$paths...], $processversion => $process
705
706Generic caching function that returns the value of the resource $id,
707caching and regenerating as required.
708
709This function can block.
710
711=cut
712
713sub cache {
714 my ($id, $src, $processversion, $process) = @_;
715
716 my $meta =
717 join "\x00",
718 $processversion,
719 map {
720 aio_stat $_
721 and Carp::croak "$_: $!";
722
723 ($_, (stat _)[7,9])
724 } @$src;
725
726 my $dbmeta = db_get cache => "$id/meta";
727 if ($dbmeta ne $meta) {
728 # changed, we may need to process
729
730 my @data;
731 my $md5;
732
733 for (0 .. $#$src) {
734 0 <= aio_load $src->[$_], $data[$_]
735 or Carp::croak "$src->[$_]: $!";
736 }
737
738 # if processing is expensive, check
739 # checksum first
740 if (1) {
741 $md5 =
742 join "\x00",
743 $processversion,
744 map {
745 cf::cede_to_tick;
746 ($src->[$_], Digest::MD5::md5_hex $data[$_])
747 } 0.. $#$src;
748
749
750 my $dbmd5 = db_get cache => "$id/md5";
751 if ($dbmd5 eq $md5) {
752 db_put cache => "$id/meta", $meta;
753
754 return db_get cache => "$id/data";
755 }
756 }
757
758 my $t1 = Time::HiRes::time;
759 my $data = $process->(\@data);
760 my $t2 = Time::HiRes::time;
761
762 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
763
764 db_put cache => "$id/data", $data;
765 db_put cache => "$id/md5" , $md5;
766 db_put cache => "$id/meta", $meta;
767
768 return $data;
769 }
770
771 db_get cache => "$id/data"
397} 772}
398 773
399=item cf::datalog type => key => value, ... 774=item cf::datalog type => key => value, ...
400 775
401Log 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.
402 777
403=cut 778=cut
404 779
405sub datalog($@) { 780sub datalog($@) {
406 my ($type, %kv) = @_; 781 my ($type, %kv) = @_;
407 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408} 783}
409 784
410=back 785=back
411 786
412=cut 787=cut
413 788
414############################################################################# 789#############################################################################
415 790
416=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
417 792
418Many 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
419attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
421 796
422In 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>
423C<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
424crossfire+). 799Deliantra).
425 800
426=over 4 801=over 4
427 802
428=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
429 804
… …
473=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
474 849
475Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
476given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
477 852
478Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
479that 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.
480 855
481These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
482 857
483=over 4 858=over 4
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 967 $registry = $CB_TYPE[$object_type] ||= [];
593 968
594 } elsif ($type eq "subtype") { 969 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 970 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 971 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 972 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 973
599 } elsif ($type eq "package") { 974 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 975 my $pkg = shift @arg;
601 976
602 while (my ($name, $id) = each %cb_id) { 977 while (my ($name, $id) = each %cb_id) {
… …
607 982
608 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
609 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610 985
611 } elsif (ref $type) { 986 } elsif (ref $type) {
612 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
613 988
614 } else { 989 } else {
615 shift @arg; 990 shift @arg;
616 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
617 } 992 }
618 } 993 }
619} 994}
620 995
621sub _object_attach { 996sub _object_attach {
… …
631 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
632 } 1007 }
633 1008
634 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
635 } else { 1010 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
637 } 1012 }
638 1013
639 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
640} 1015}
641 1016
… …
643 if (ref $_[0]) { 1018 if (ref $_[0]) {
644 _object_attach @_; 1019 _object_attach @_;
645 } else { 1020 } else {
646 _attach shift->_attach_registry, @_; 1021 _attach shift->_attach_registry, @_;
647 } 1022 }
1023 _recalc_want;
648}; 1024};
649 1025
650# all those should be optimised 1026# all those should be optimised
651sub cf::attachable::detach { 1027sub cf::attachable::detach {
652 my ($obj, $name) = @_; 1028 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 1031 delete $obj->{_attachment}{$name};
656 reattach ($obj); 1032 reattach ($obj);
657 } else { 1033 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 1034 Carp::croak "cannot, currently, detach class attachments";
659 } 1035 }
1036 _recalc_want;
660}; 1037};
661 1038
662sub cf::attachable::attached { 1039sub cf::attachable::attached {
663 my ($obj, $name) = @_; 1040 my ($obj, $name) = @_;
664 1041
… …
679 "; 1056 ";
680 die if $@; 1057 die if $@;
681} 1058}
682 1059
683our $override; 1060our $override;
684our @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?
685 1062
686sub override { 1063sub override {
687 $override = 1; 1064 $override = 1;
688 @invoke_results = (); 1065 @INVOKE_RESULTS = (@_);
689} 1066}
690 1067
691sub do_invoke { 1068sub do_invoke {
692 my $event = shift; 1069 my $event = shift;
693 my $callbacks = shift; 1070 my $callbacks = shift;
694 1071
695 @invoke_results = (); 1072 @INVOKE_RESULTS = ();
696 1073
697 local $override; 1074 local $override;
698 1075
699 for (@$callbacks) { 1076 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
701 1078
702 if ($@) { 1079 if ($@) {
703 warn "$@";
704 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705 override; 1081 override;
706 } 1082 }
707 1083
708 return 1 if $override; 1084 return 1 if $override;
709 } 1085 }
710 1086
711 0 1087 0
712} 1088}
713 1089
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1091
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1093
718Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
719 1095
720This 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
721removed 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
722results (if you must, access C<@cf::invoke_results> directly). 1098results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1099
724=back 1100=back
725 1101
726=cut 1102=cut
727 1103
728############################################################################# 1104#############################################################################
729# 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, $ob2
1147}
730 1148
731sub reattach { 1149sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1151 my ($obj) = @_;
734 1152
1153 # no longer needed after getting rid of delete_package?
735 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
736 1155
737 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
738 1157
739 @$registry = (); 1158 @$registry = ();
740 1159
… …
745 for (@$attach) { 1164 for (@$attach) {
746 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
747 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
748 } 1167 }
749 } else { 1168 } else {
750 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
751 } 1170 }
752 } 1171 }
753} 1172}
754 1173
755cf::attachable->attach ( 1174cf::attachable->attach (
756 prio => -1000000, 1175 prio => -1000000,
757 on_instantiate => sub { 1176 on_instantiate => sub {
758 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
759 1178
760 $data = from_json $data; 1179 $data = decode_json $data;
761 1180
762 for (@$data) { 1181 for (@$data) {
763 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
764 1183
765 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1200sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
783 1202
784 sync_job { 1203 sync_job {
785 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
788 1209
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 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 }
793 close $fh; 1217 aio_close $fh;
794 1218
795 if (@$objs) { 1219 if (@$objs) {
796 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) {
797 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
800 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 }
801 close $fh; 1228 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
803 } 1230 }
804 } else { 1231 } else {
805 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
806 } 1233 }
807 1234
808 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
809 } else { 1239 } else {
810 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
811 } 1241 }
812 } else { 1242 } else {
813 aio_unlink $filename; 1243 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
815 } 1245 }
816 } 1246 };
817} 1247}
818 1248
819sub object_freezer_as_string { 1249sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
821 1251
… …
833 or return; 1263 or return;
834 1264
835 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
837 or return; 1267 or return;
1268
838 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
839 } 1271 }
840 1272
1273 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
843 return ($data, $av); 1278 ($data, $av)
844} 1279}
1280
1281=head2 COMMAND CALLBACKS
1282
1283=over 4
1284
1285=cut
845 1286
846############################################################################# 1287#############################################################################
847# command handling &c 1288# command handling &c
848 1289
849=item cf::register_command $name => \&callback($ob,$args); 1290=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1303 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1304}
864 1305
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1306=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1307
867Register 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.
868 1313
869If 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
870called. 1315called.
871 1316
1317=item cf::register_exticmd $name => \&callback($ns,$packet);
1318
1319Register a callback for execution when the client sends an (asynchronous)
1320exticmd packet. Exti commands are processed by the server as soon as they
1321are received, i.e. out of order w.r.t. other commands. The first argument
1322is a client socket. Exti commands can be received anytime, even before
1323log-in.
1324
1325If the callback returns something, it is sent back as if reply was being
1326called.
1327
872=cut 1328=cut
873 1329
874sub register_extcmd { 1330sub register_extcmd {
875 my ($name, $cb) = @_; 1331 my ($name, $cb) = @_;
876 1332
877 $EXTCMD{$name} = $cb; 1333 $EXTCMD{$name} = $cb;
878} 1334}
879 1335
1336sub register_exticmd {
1337 my ($name, $cb) = @_;
1338
1339 $EXTICMD{$name} = $cb;
1340}
1341
1342use File::Glob ();
1343
880cf::player->attach ( 1344cf::player->attach (
881 on_command => sub { 1345 on_unknown_command => sub {
882 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
883 1347
884 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
885 or return; 1349 or return;
886 1350
… …
891 cf::override; 1355 cf::override;
892 }, 1356 },
893 on_extcmd => sub { 1357 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1358 my ($pl, $buf) = @_;
895 1359
896 my $msg = eval { from_json $buf }; 1360 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1361
898 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
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1370 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1371 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
904 } else { 1377 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1379 }
907 1380
908 cf::override; 1381 cf::override;
909 }, 1382 },
910); 1383);
911 1384
1385# "readahead" all extensions
912sub load_extension { 1386sub cache_extensions {
913 my ($path) = @_; 1387 my $grp = IO::AIO::aio_group;
914 1388
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916 my $base = $1; 1390 for (grep /\.ext$/, @{$_[0]}) {
917 my $pkg = $1; 1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 } 1392 }
940 die $@;
941 } 1393 };
942 1394
943 push @EXTS, $pkg; 1395 $grp
944} 1396}
945 1397
946sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1401 cf::sync_job {
1402 my %todo;
1403
947 for my $ext (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1405 next unless -r $path;
949 eval { 1406
950 load_extension $ext; 1407 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1408 my $base = $1;
1409 my $pkg = $1;
1410 $pkg =~ s/[^[:word:]]/_/g;
1411 $pkg = "ext::$pkg";
1412
1413 open my $fh, "<:utf8", $path
1414 or die "$path: $!";
1415
1416 my $source = do { local $/; <$fh> };
1417
1418 my %ext = (
1419 path => $path,
1420 base => $base,
1421 pkg => $pkg,
1422 );
1423
1424 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1425 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1426
1427 $ext{source} =
1428 "package $pkg; use common::sense;\n"
1429 . "#line 1 \"$path\"\n{\n"
1430 . $source
1431 . "\n};\n1";
1432
1433 $todo{$base} = \%ext;
1434 }
1435
1436 my $pass = 0;
1437 my %done;
1438 while (%todo) {
1439 my $progress;
1440
1441 ++$pass;
1442
1443 ext:
1444 while (my ($k, $v) = each %todo) {
1445 for (split /,\s*/, $v->{meta}{depends}) {
1446 next ext
1447 unless exists $done{$_};
1448 }
1449
1450 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1451
1452 my $active = eval $v->{source};
1453
1454 if (length $@) {
1455 error "$v->{path}: $@\n";
1456
1457 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1458 if exists $v->{meta}{mandatory};
1459
1460 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1461 delete $todo{$k};
1462 } else {
1463 $done{$k} = delete $todo{$k};
1464 push @EXTS, $v->{pkg};
1465 $progress = 1;
1466
1467 info "$v->{base}: extension inactive.\n"
1468 unless $active;
1469 }
951 1 1470 }
952 } or warn "$ext not loaded: $@"; 1471
1472 unless ($progress) {
1473 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1474
1475 while (my ($k, $v) = each %todo) {
1476 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1477 if exists $v->{meta}{mandatory};
1478 }
1479 }
1480 }
953 } 1481 };
954} 1482}
955 1483
956############################################################################# 1484#############################################################################
957 1485
1486=back
1487
958=head2 CORE EXTENSIONS 1488=head2 CORE EXTENSIONS
959 1489
960Functions and methods that extend core crossfire objects. 1490Functions and methods that extend core deliantra objects.
961 1491
962=cut 1492=cut
963 1493
964package cf::player; 1494package cf::player;
965 1495
966use Coro::AIO; 1496use Coro::AIO;
967 1497
968=head3 cf::player 1498=head3 cf::player
969 1499
970=over 4 1500=over 4
1501
1502=item cf::player::num_playing
1503
1504Returns the official number of playing players, as per the Crossfire metaserver rules.
1505
1506=cut
1507
1508sub num_playing {
1509 scalar grep
1510 $_->ob->map
1511 && !$_->hidden
1512 && !$_->ob->flag (cf::FLAG_WIZ),
1513 cf::player::list
1514}
971 1515
972=item cf::player::find $login 1516=item cf::player::find $login
973 1517
974Returns the given player object, loading it if necessary (might block). 1518Returns the given player object, loading it if necessary (might block).
975 1519
… …
994 1538
995sub exists($) { 1539sub exists($) {
996 my ($login) = @_; 1540 my ($login) = @_;
997 1541
998 $cf::PLAYER{$login} 1542 $cf::PLAYER{$login}
999 or cf::sync_job { !aio_stat path $login } 1543 or !aio_stat path $login
1000} 1544}
1001 1545
1002sub find($) { 1546sub find($) {
1003 return $cf::PLAYER{$_[0]} || do { 1547 return $cf::PLAYER{$_[0]} || do {
1004 my $login = $_[0]; 1548 my $login = $_[0];
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1555 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1556 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1557 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1558 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1559
1016 my $pl = load_pl path $login 1560 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1561 or return;
1562
1563 my $pl = cf::player::load_pl $f
1564 or return;
1565
1566 local $cf::PLAYER_LOADING{$login} = $pl;
1567 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1568 $cf::PLAYER{$login} = $pl
1019 } 1569 }
1020 } 1570 }
1021} 1571}
1572
1573cf::player->attach (
1574 on_load => sub {
1575 my ($pl, $path) = @_;
1576
1577 # restore slots saved in save, below
1578 my $slots = delete $pl->{_slots};
1579
1580 $pl->ob->current_weapon ($slots->[0]);
1581 $pl->combat_ob ($slots->[1]);
1582 $pl->ranged_ob ($slots->[2]);
1583 },
1584);
1022 1585
1023sub save($) { 1586sub save($) {
1024 my ($pl) = @_; 1587 my ($pl) = @_;
1025 1588
1026 return if $pl->{deny_save}; 1589 return if $pl->{deny_save};
… …
1031 return if $pl->{deny_save}; 1594 return if $pl->{deny_save};
1032 1595
1033 aio_mkdir playerdir $pl, 0770; 1596 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1597 $pl->{last_save} = $cf::RUNTIME;
1035 1598
1599 cf::get_slot 0.01;
1600
1601 # save slots, to be restored later
1602 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1603
1036 $pl->save_pl ($path); 1604 $pl->save_pl ($path);
1037 Coro::cede; 1605 cf::cede_to_tick;
1038} 1606}
1039 1607
1040sub new($) { 1608sub new($) {
1041 my ($login) = @_; 1609 my ($login) = @_;
1042 1610
… …
1048 $cf::PLAYER{$login} = $self; 1616 $cf::PLAYER{$login} = $self;
1049 1617
1050 $self 1618 $self
1051} 1619}
1052 1620
1621=item $player->send_msg ($channel, $msg, $color, [extra...])
1622
1623=cut
1624
1625sub send_msg {
1626 my $ns = shift->ns
1627 or return;
1628 $ns->send_msg (@_);
1629}
1630
1053=item $pl->quit_character 1631=item $pl->quit_character
1054 1632
1055Nukes the player without looking back. If logged in, the connection will 1633Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1634be destroyed. May block for a long time.
1057 1635
… …
1061 my ($pl) = @_; 1639 my ($pl) = @_;
1062 1640
1063 my $name = $pl->ob->name; 1641 my $name = $pl->ob->name;
1064 1642
1065 $pl->{deny_save} = 1; 1643 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1644 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1067 1645
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1646 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1647 $pl->deactivate;
1648 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1649 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1650 $pl->ns->destroy if $pl->ns;
1072 1651
1073 my $path = playerdir $pl; 1652 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1653 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1110 or return []; 1689 or return [];
1111 1690
1112 my @logins; 1691 my @logins;
1113 1692
1114 for my $login (@$dirs) { 1693 for my $login (@$dirs) {
1694 my $path = path $login;
1695
1696 # a .pst is a dead give-away for a valid player
1697 # if no pst file found, open and chekc for blocked users
1698 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1699 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1700 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1701 $buf !~ /^password -------------$/m or next; # official not-valid tag
1702 }
1118 1703
1119 utf8::decode $login; 1704 utf8::decode $login;
1120 push @logins, $login; 1705 push @logins, $login;
1121 } 1706 }
1122 1707
1123 \@logins 1708 \@logins
1124} 1709}
1125 1710
1126=item $player->maps 1711=item $player->maps
1712
1713=item cf::player::maps $login
1127 1714
1128Returns an arrayref of map paths that are private for this 1715Returns an arrayref of map paths that are private for this
1129player. May block. 1716player. May block.
1130 1717
1131=cut 1718=cut
… …
1149 } 1736 }
1150 1737
1151 \@paths 1738 \@paths
1152} 1739}
1153 1740
1741=item $protocol_xml = $player->expand_cfpod ($cfpod)
1742
1743Expand deliantra pod fragments into protocol xml.
1744
1154=item $player->ext_reply ($msgid, %msg) 1745=item $player->ext_reply ($msgid, @msg)
1155 1746
1156Sends an ext reply to the player. 1747Sends an ext reply to the player.
1157 1748
1158=cut 1749=cut
1159 1750
1160sub ext_reply($$%) { 1751sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1752 my ($self, $id, @msg) = @_;
1162 1753
1163 $msg{msgid} = $id; 1754 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1755}
1167 1756
1168=item $player->ext_event ($type, %msg) 1757=item $player->ext_msg ($type, @msg)
1169 1758
1170Sends an ext event to the client. 1759Sends an ext event to the client.
1171 1760
1172=cut 1761=cut
1173 1762
1174sub ext_event($$%) { 1763sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1764 my ($self, $type, @msg) = @_;
1176 1765
1177 $self->ns->ext_event ($type, %msg); 1766 $self->ns->ext_msg ($type, @msg);
1178} 1767}
1179 1768
1180=head3 cf::region 1769=head3 cf::region
1181 1770
1182=over 4 1771=over 4
… …
1185 1774
1186package cf::region; 1775package cf::region;
1187 1776
1188=item cf::region::find_by_path $path 1777=item cf::region::find_by_path $path
1189 1778
1190Tries to decuce the probable region for a map knowing only its path. 1779Tries to decuce the likely region for a map knowing only its path.
1191 1780
1192=cut 1781=cut
1193 1782
1194sub find_by_path($) { 1783sub find_by_path($) {
1195 my ($path) = @_; 1784 my ($path) = @_;
1196 1785
1786 $path =~ s/^~[^\/]*//; # skip ~login
1787
1197 my ($match, $specificity); 1788 my ($match, $specificity);
1198 1789
1199 for my $region (list) { 1790 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1791 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1792 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1793 if $region->specificity > $specificity;
1203 } 1794 }
1204 } 1795 }
1205 1796
… …
1226our $MAX_RESET = 3600; 1817our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1818our $DEFAULT_RESET = 3000;
1228 1819
1229sub generate_random_map { 1820sub generate_random_map {
1230 my ($self, $rmp) = @_; 1821 my ($self, $rmp) = @_;
1822
1823 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1824
1231 # mit "rum" bekleckern, nicht 1825 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1826 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1827 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1828 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1829 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236 $rmp->{exit_on_final_map}, 1830 $rmp->{exit_on_final_map},
1237 $rmp->{xsize}, $rmp->{ysize}, 1831 $rmp->{xsize}, $rmp->{ysize},
1238 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1832 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1833 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1254 1848
1255sub register { 1849sub register {
1256 my (undef, $regex, $prio) = @_; 1850 my (undef, $regex, $prio) = @_;
1257 my $pkg = caller; 1851 my $pkg = caller;
1258 1852
1259 no strict;
1260 push @{"$pkg\::ISA"}, __PACKAGE__; 1853 push @{"$pkg\::ISA"}, __PACKAGE__;
1261 1854
1262 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1855 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263} 1856}
1264 1857
1265# also paths starting with '/' 1858# also paths starting with '/'
1266$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1859$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267 1860
1268sub thawer_merge { 1861sub thawer_merge {
1269 my ($self, $merge) = @_; 1862 my ($self, $merge) = @_;
1270 1863
1271 # we have to keep some variables in memory intact 1864 # we have to keep some variables in memory intact
1272 local $self->{path}; 1865 local $self->{path};
1273 local $self->{load_path}; 1866 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1867
1277 $self->SUPER::thawer_merge ($merge); 1868 $self->SUPER::thawer_merge ($merge);
1278} 1869}
1279 1870
1280sub normalise { 1871sub normalise {
… …
1327 $self->init; # pass $1 etc. 1918 $self->init; # pass $1 etc.
1328 return $self; 1919 return $self;
1329 } 1920 }
1330 } 1921 }
1331 1922
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1923 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1924 ()
1334} 1925}
1335 1926
1336sub init { 1927sub init {
1337 my ($self) = @_; 1928 my ($self) = @_;
… …
1352 1943
1353# the original (read-only) location 1944# the original (read-only) location
1354sub load_path { 1945sub load_path {
1355 my ($self) = @_; 1946 my ($self) = @_;
1356 1947
1357 "$MAPDIR($self->{path}" 1948 "$MAPDIR/$self->{path}.map"
1358} 1949}
1359 1950
1360# the temporary/swap location 1951# the temporary/swap location
1361sub save_path { 1952sub save_path {
1362 my ($self) = @_; 1953 my ($self) = @_;
1363 1954
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1955 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path" 1956 "$TMPDIR/$path.map"
1366} 1957}
1367 1958
1368# the unique path, undef == no special unique path 1959# the unique path, undef == no special unique path
1369sub uniq_path { 1960sub uniq_path {
1370 my ($self) = @_; 1961 my ($self) = @_;
1371 1962
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1963 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1964 "$UNIQUEDIR/$path"
1374} 1965}
1375 1966
1376# and all this just because we cannot iterate over 1967sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 1968 my ($self) = @_;
1380 1969
1381 $_->change_map_light ($change) 1970 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 1971
1972 $self->do_decay_objects;
1383} 1973}
1384 1974
1385sub unlink_save { 1975sub unlink_save {
1386 my ($self) = @_; 1976 my ($self) = @_;
1387 1977
… …
1392 1982
1393sub load_header_from($) { 1983sub load_header_from($) {
1394 my ($self, $path) = @_; 1984 my ($self, $path) = @_;
1395 1985
1396 utf8::encode $path; 1986 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1987 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1988 or return;
1989
1990 $self->_load_header ($f)
1991 or return;
1992
1993 local $MAP_LOADING{$self->{path}} = $self;
1994 $f->resolve_delayed_derefs;
1402 1995
1403 $self->{load_path} = $path; 1996 $self->{load_path} = $path;
1404 1997
1405 1 1998 1
1406} 1999}
… …
1445 $self->load_header_orig 2038 $self->load_header_orig
1446 or return; 2039 or return;
1447 $self->prepare_orig; 2040 $self->prepare_orig;
1448 } 2041 }
1449 2042
2043 $self->{deny_reset} = 1
2044 if $self->no_reset;
2045
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2046 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2047 unless $self->default_region;
1452 2048
1453 1 2049 1
1454} 2050}
… …
1457sub find { 2053sub find {
1458 my ($path, $origin) = @_; 2054 my ($path, $origin) = @_;
1459 2055
1460 $path = normalise $path, $origin && $origin->path; 2056 $path = normalise $path, $origin && $origin->path;
1461 2057
2058 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2059 my $guard2 = cf::lock_acquire "map_find:$path";
1463 2060
1464 $cf::MAP{$path} || do { 2061 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 2062 my $map = new_from_path cf::map $path
1467 or return; 2063 or return;
1468 2064
1469 $map->{last_save} = $cf::RUNTIME; 2065 $map->{last_save} = $cf::RUNTIME;
1470 2066
1471 $map->load_header 2067 $map->load_header
1472 or return; 2068 or return;
1473 2069
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2070 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2071 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2072 #$cf::WAIT_FOR_TICK->wait;
2073 undef $guard2;
2074 undef $guard1;
1477 $map->reset; 2075 $map->reset;
1478 undef $guard;
1479 return find $path; 2076 return find $path;
1480 } 2077 }
1481 2078
1482 $cf::MAP{$path} = $map 2079 $cf::MAP{$path} = $map
1483 } 2080 }
1484} 2081}
1485 2082
1486sub pre_load { } 2083sub pre_load { }
1487sub post_load { } 2084#sub post_load { } # XS
1488 2085
1489sub load { 2086sub load {
1490 my ($self) = @_; 2087 my ($self) = @_;
1491 2088
1492 local $self->{deny_reset} = 1; # loading can take a long time 2089 local $self->{deny_reset} = 1; # loading can take a long time
1493 2090
1494 my $path = $self->{path}; 2091 my $path = $self->{path};
2092
2093 {
1495 my $guard = cf::lock_acquire "map_load:$path"; 2094 my $guard = cf::lock_acquire "map_data:$path";
1496 2095
2096 return unless $self->valid;
1497 return if $self->in_memory != cf::MAP_SWAPPED; 2097 return unless $self->in_memory == cf::MAP_SWAPPED;
1498 2098
1499 $self->in_memory (cf::MAP_LOADING); 2099 $self->in_memory (cf::MAP_LOADING);
1500 2100
1501 $self->alloc; 2101 $self->alloc;
1502 2102
1503 $self->pre_load; 2103 $self->pre_load;
1504 Coro::cede; 2104 cf::cede_to_tick;
1505 2105
1506 $self->_load_objects ($self->{load_path}, 1) 2106 my $f = new_from_file cf::object::thawer $self->{load_path};
2107 $f->skip_block;
2108 $self->_load_objects ($f)
1507 or return; 2109 or return;
1508 2110
1509 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2111 $self->post_load_original
1510 if delete $self->{load_original}; 2112 if delete $self->{load_original};
1511 2113
1512 if (my $uniq = $self->uniq_path) { 2114 if (my $uniq = $self->uniq_path) {
1513 utf8::encode $uniq; 2115 utf8::encode $uniq;
1514 if (aio_open $uniq, O_RDONLY, 0) { 2116 unless (aio_stat $uniq) {
2117 if (my $f = new_from_file cf::object::thawer $uniq) {
1515 $self->clear_unique_items; 2118 $self->clear_unique_items;
1516 $self->_load_objects ($uniq, 0); 2119 $self->_load_objects ($f);
2120 $f->resolve_delayed_derefs;
2121 }
1517 } 2122 }
1518 } 2123 }
1519 2124
1520 Coro::cede; 2125 $f->resolve_delayed_derefs;
2126
2127 cf::cede_to_tick;
1521 # now do the right thing for maps 2128 # now do the right thing for maps
1522 $self->link_multipart_objects; 2129 $self->link_multipart_objects;
1523 Coro::cede;
1524
1525 unless ($self->{deny_activate}) {
1526 $self->decay_objects;
1527 $self->fix_auto_apply;
1528 $self->update_buttons;
1529 Coro::cede;
1530 $self->set_darkness_map;
1531 $self->difficulty ($self->estimate_difficulty) 2130 $self->difficulty ($self->estimate_difficulty)
1532 unless $self->difficulty; 2131 unless $self->difficulty;
1533 Coro::cede; 2132 cf::cede_to_tick;
2133
2134 unless ($self->{deny_activate}) {
2135 $self->decay_objects;
2136 $self->fix_auto_apply;
2137 $self->update_buttons;
2138 cf::cede_to_tick;
1534 $self->activate; 2139 $self->activate;
1535 Coro::cede; 2140 }
2141
2142 $self->{last_save} = $cf::RUNTIME;
2143 $self->last_access ($cf::RUNTIME);
2144
2145 $self->in_memory (cf::MAP_ACTIVE);
1536 } 2146 }
1537 2147
1538 $self->post_load; 2148 $self->post_load;
1539 Coro::cede;
1540
1541 $self->in_memory (cf::MAP_IN_MEMORY);
1542} 2149}
1543 2150
2151# customize the map for a given player, i.e.
2152# return the _real_ map. used by e.g. per-player
2153# maps to change the path to ~playername/mappath
1544sub customise_for { 2154sub customise_for {
1545 my ($self, $ob) = @_; 2155 my ($self, $ob) = @_;
1546 2156
1547 return find "~" . $ob->name . "/" . $self->{path} 2157 return find "~" . $ob->name . "/" . $self->{path}
1548 if $self->per_player; 2158 if $self->per_player;
1549 2159
2160# return find "?party/" . $ob->name . "/" . $self->{path}
2161# if $self->per_party;
2162
1550 $self 2163 $self
1551} 2164}
1552 2165
1553# find and load all maps in the 3x3 area around a map 2166# find and load all maps in the 3x3 area around a map
1554sub load_diag { 2167sub load_neighbours {
1555 my ($map) = @_; 2168 my ($map) = @_;
1556 2169
1557 my @diag; # diagonal neighbours 2170 my @neigh; # diagonal neighbours
1558 2171
1559 for (0 .. 3) { 2172 for (0 .. 3) {
1560 my $neigh = $map->tile_path ($_) 2173 my $neigh = $map->tile_path ($_)
1561 or next; 2174 or next;
1562 $neigh = find $neigh, $map 2175 $neigh = find $neigh, $map
1563 or next; 2176 or next;
1564 $neigh->load; 2177 $neigh->load;
1565 2178
2179 # now find the diagonal neighbours
2180 push @neigh,
1566 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2181 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1567 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2182 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1568 } 2183 }
1569 2184
1570 for (@diag) { 2185 for (grep defined $_->[0], @neigh) {
2186 my ($path, $origin) = @$_;
1571 my $neigh = find @$_ 2187 my $neigh = find $path, $origin
1572 or next; 2188 or next;
1573 $neigh->load; 2189 $neigh->load;
1574 } 2190 }
1575} 2191}
1576 2192
1577sub find_sync { 2193sub find_sync {
1578 my ($path, $origin) = @_; 2194 my ($path, $origin) = @_;
1579 2195
1580 cf::sync_job { find $path, $origin } 2196 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2197 if $Coro::current == $Coro::main;
2198
2199 find $path, $origin
1581} 2200}
1582 2201
1583sub do_load_sync { 2202sub do_load_sync {
1584 my ($map) = @_; 2203 my ($map) = @_;
1585 2204
1586 cf::sync_job { $map->load }; 2205 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2206 if $Coro::current == $Coro::main;
2207
2208 $map->load;
1587} 2209}
1588 2210
1589our %MAP_PREFETCH; 2211our %MAP_PREFETCH;
1590our $MAP_PREFETCHER = undef; 2212our $MAP_PREFETCHER = undef;
1591 2213
1592sub find_async { 2214sub find_async {
1593 my ($path, $origin) = @_; 2215 my ($path, $origin, $load) = @_;
1594 2216
1595 $path = normalise $path, $origin && $origin->{path}; 2217 $path = normalise $path, $origin && $origin->{path};
1596 2218
1597 if (my $map = $cf::MAP{$path}) { 2219 if (my $map = $cf::MAP{$path}) {
1598 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2220 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599 } 2221 }
1600 2222
1601 undef $MAP_PREFETCH{$path}; 2223 $MAP_PREFETCH{$path} |= $load;
2224
1602 $MAP_PREFETCHER ||= cf::async { 2225 $MAP_PREFETCHER ||= cf::async {
2226 $Coro::current->{desc} = "map prefetcher";
2227
1603 while (%MAP_PREFETCH) { 2228 while (%MAP_PREFETCH) {
1604 for my $path (keys %MAP_PREFETCH) { 2229 while (my ($k, $v) = each %MAP_PREFETCH) {
1605 my $map = find $path 2230 if (my $map = find $k) {
1606 or next;
1607 $map->load; 2231 $map->load if $v;
2232 }
1608 2233
1609 delete $MAP_PREFETCH{$path}; 2234 delete $MAP_PREFETCH{$k};
1610 } 2235 }
1611 } 2236 }
1612 undef $MAP_PREFETCHER; 2237 undef $MAP_PREFETCHER;
1613 }; 2238 };
1614 $MAP_PREFETCHER->prio (6); 2239 $MAP_PREFETCHER->prio (6);
1615 2240
1616 () 2241 ()
1617} 2242}
1618 2243
2244# common code, used by both ->save and ->swapout
1619sub save { 2245sub _save {
1620 my ($self) = @_; 2246 my ($self) = @_;
1621
1622 my $lock = cf::lock_acquire "map_data:" . $self->path;
1623 2247
1624 $self->{last_save} = $cf::RUNTIME; 2248 $self->{last_save} = $cf::RUNTIME;
1625 2249
1626 return unless $self->dirty; 2250 return unless $self->dirty;
1627 2251
… …
1633 return if $self->{deny_save}; 2257 return if $self->{deny_save};
1634 2258
1635 local $self->{last_access} = $self->last_access;#d# 2259 local $self->{last_access} = $self->last_access;#d#
1636 2260
1637 cf::async { 2261 cf::async {
2262 $Coro::current->{desc} = "map player save";
1638 $_->contr->save for $self->players; 2263 $_->contr->save for $self->players;
1639 }; 2264 };
2265
2266 cf::get_slot 0.02;
1640 2267
1641 if ($uniq) { 2268 if ($uniq) {
1642 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2269 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2270 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1644 } else { 2271 } else {
1645 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2272 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646 } 2273 }
1647} 2274}
1648 2275
2276sub save {
2277 my ($self) = @_;
2278
2279 my $lock = cf::lock_acquire "map_data:$self->{path}";
2280
2281 $self->_save;
2282}
2283
1649sub swap_out { 2284sub swap_out {
1650 my ($self) = @_; 2285 my ($self) = @_;
1651 2286
1652 # save first because save cedes
1653 $self->save;
1654
1655 my $lock = cf::lock_acquire "map_data:" . $self->path; 2287 my $lock = cf::lock_acquire "map_data:$self->{path}";
1656 2288
2289 return if $self->in_memory != cf::MAP_ACTIVE;
2290 return if $self->{deny_save};
1657 return if $self->players; 2291 return if $self->players;
1658 return if $self->in_memory != cf::MAP_IN_MEMORY;
1659 return if $self->{deny_save};
1660 2292
2293 # first deactivate the map and "unlink" it from the core
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
2296 $self->in_memory (cf::MAP_SWAPPED);
2297
2298 # then atomically save
2299 $self->_save;
2300
2301 # then free the map
1661 $self->clear; 2302 $self->clear;
1662 $self->in_memory (cf::MAP_SWAPPED);
1663} 2303}
1664 2304
1665sub reset_at { 2305sub reset_at {
1666 my ($self) = @_; 2306 my ($self) = @_;
1667 2307
1668 # TODO: safety, remove and allow resettable per-player maps 2308 # TODO: safety, remove and allow resettable per-player maps
1669 return 1e99 if $self->isa ("ext::map_per_player");#d#
1670 return 1e99 if $self->{deny_reset}; 2309 return 1e99 if $self->{deny_reset};
1671 2310
1672 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2311 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2312 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674 2313
… …
1685 my ($self) = @_; 2324 my ($self) = @_;
1686 2325
1687 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
1688 2327
1689 return if $self->players; 2328 return if $self->players;
1690 return if $self->isa ("ext::map_per_player");#d#
1691 2329
1692 warn "resetting map ", $self->path;#d# 2330 cf::trace "resetting map ", $self->path, "\n";
1693 2331
1694 $self->in_memory (cf::MAP_SWAPPED); 2332 $self->in_memory (cf::MAP_SWAPPED);
1695 2333
1696 # need to save uniques path 2334 # need to save uniques path
1697 unless ($self->{deny_save}) { 2335 unless ($self->{deny_save}) {
… …
1701 if $uniq; 2339 if $uniq;
1702 } 2340 }
1703 2341
1704 delete $cf::MAP{$self->path}; 2342 delete $cf::MAP{$self->path};
1705 2343
2344 $self->deactivate;
2345 $_->clear_links_to ($self) for values %cf::MAP;
1706 $self->clear; 2346 $self->clear;
1707
1708 $_->clear_links_to ($self) for values %cf::MAP;
1709 2347
1710 $self->unlink_save; 2348 $self->unlink_save;
1711 $self->destroy; 2349 $self->destroy;
1712} 2350}
1713 2351
1714my $nuke_counter = "aaaa"; 2352my $nuke_counter = "aaaa";
1715 2353
1716sub nuke { 2354sub nuke {
1717 my ($self) = @_; 2355 my ($self) = @_;
1718 2356
2357 {
2358 my $lock = cf::lock_acquire "map_data:$self->{path}";
2359
1719 delete $cf::MAP{$self->path}; 2360 delete $cf::MAP{$self->path};
1720 2361
1721 $self->unlink_save; 2362 $self->unlink_save;
1722 2363
1723 bless $self, "cf::map"; 2364 bless $self, "cf::map::wrap";
1724 delete $self->{deny_reset}; 2365 delete $self->{deny_reset};
1725 $self->{deny_save} = 1; 2366 $self->{deny_save} = 1;
1726 $self->reset_timeout (1); 2367 $self->reset_timeout (1);
1727 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2368 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728 2369
1729 $cf::MAP{$self->path} = $self; 2370 $cf::MAP{$self->path} = $self;
2371 }
1730 2372
1731 $self->reset; # polite request, might not happen 2373 $self->reset; # polite request, might not happen
2374}
2375
2376=item $maps = cf::map::tmp_maps
2377
2378Returns an arrayref with all map paths of currently instantiated and saved
2379maps. May block.
2380
2381=cut
2382
2383sub tmp_maps() {
2384 [
2385 map {
2386 utf8::decode $_;
2387 /\.map$/
2388 ? normalise $_
2389 : ()
2390 } @{ aio_readdir $TMPDIR or [] }
2391 ]
2392}
2393
2394=item $maps = cf::map::random_maps
2395
2396Returns an arrayref with all map paths of currently instantiated and saved
2397random maps. May block.
2398
2399=cut
2400
2401sub random_maps() {
2402 [
2403 map {
2404 utf8::decode $_;
2405 /\.map$/
2406 ? normalise "?random/$_"
2407 : ()
2408 } @{ aio_readdir $RANDOMDIR or [] }
2409 ]
1732} 2410}
1733 2411
1734=item cf::map::unique_maps 2412=item cf::map::unique_maps
1735 2413
1736Returns an arrayref of paths of all shared maps that have 2414Returns an arrayref of paths of all shared maps that have
1737instantiated unique items. May block. 2415instantiated unique items. May block.
1738 2416
1739=cut 2417=cut
1740 2418
1741sub unique_maps() { 2419sub unique_maps() {
1742 my $files = aio_readdir $UNIQUEDIR 2420 [
1743 or return; 2421 map {
1744
1745 my @paths;
1746
1747 for (@$files) {
1748 utf8::decode $_; 2422 utf8::decode $_;
1749 next if /\.pst$/; 2423 s/\.map$//; # TODO future compatibility hack
1750 next unless /^$PATH_SEP/o; 2424 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751 2425 ? ()
1752 push @paths, cf::map::normalise $_; 2426 : normalise $_
2427 } @{ aio_readdir $UNIQUEDIR or [] }
1753 } 2428 ]
1754
1755 \@paths
1756} 2429}
1757 2430
1758package cf; 2431=item cf::map::static_maps
2432
2433Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2434file in the shared directory excluding F</styles> and F</editor>). May
2435block.
2436
2437=cut
2438
2439sub static_maps() {
2440 my @dirs = "";
2441 my @maps;
2442
2443 while (@dirs) {
2444 my $dir = shift @dirs;
2445
2446 next if $dir eq "/styles" || $dir eq "/editor";
2447
2448 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2449 or return;
2450
2451 for (@$files) {
2452 s/\.map$// or next;
2453 utf8::decode $_;
2454 push @maps, "$dir/$_";
2455 }
2456
2457 push @dirs, map "$dir/$_", @$dirs;
2458 }
2459
2460 \@maps
2461}
1759 2462
1760=back 2463=back
1761 2464
1762=head3 cf::object 2465=head3 cf::object
1763 2466
… …
1767 2470
1768=over 4 2471=over 4
1769 2472
1770=item $ob->inv_recursive 2473=item $ob->inv_recursive
1771 2474
1772Returns the inventory of the object _and_ their inventories, recursively. 2475Returns the inventory of the object I<and> their inventories, recursively,
2476but I<not> the object itself.
1773 2477
1774=cut 2478=cut
1775 2479
1776sub inv_recursive_; 2480sub inv_recursive_;
1777sub inv_recursive_ { 2481sub inv_recursive_ {
… …
1780 2484
1781sub inv_recursive { 2485sub inv_recursive {
1782 inv_recursive_ inv $_[0] 2486 inv_recursive_ inv $_[0]
1783} 2487}
1784 2488
2489=item $ref = $ob->ref
2490
2491Creates and returns a persistent reference to an object that can be stored as a string.
2492
2493=item $ob = cf::object::deref ($refstring)
2494
2495returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2496even if the object actually exists. May block.
2497
2498=cut
2499
2500sub deref {
2501 my ($ref) = @_;
2502
2503 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2504 my ($uuid, $name) = ($1, $2);
2505 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2506 or return;
2507 $pl->ob->uuid eq $uuid
2508 or return;
2509
2510 $pl->ob
2511 } else {
2512 warn "$ref: cannot resolve object reference\n";
2513 undef
2514 }
2515}
2516
1785package cf; 2517package cf;
1786 2518
1787=back 2519=back
1788 2520
1789=head3 cf::object::player 2521=head3 cf::object::player
… …
1795Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2527Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796can be C<undef>. Does the right thing when the player is currently in a 2528can be C<undef>. Does the right thing when the player is currently in a
1797dialogue with the given NPC character. 2529dialogue with the given NPC character.
1798 2530
1799=cut 2531=cut
2532
2533our $SAY_CHANNEL = {
2534 id => "say",
2535 title => "Map",
2536 reply => "say ",
2537 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2538};
2539
2540our $CHAT_CHANNEL = {
2541 id => "chat",
2542 title => "Chat",
2543 reply => "chat ",
2544 tooltip => "Player chat and shouts, global to the server.",
2545};
1800 2546
1801# rough implementation of a future "reply" method that works 2547# rough implementation of a future "reply" method that works
1802# with dialog boxes. 2548# with dialog boxes.
1803#TODO: the first argument must go, split into a $npc->reply_to ( method 2549#TODO: the first argument must go, split into a $npc->reply_to ( method
1804sub cf::object::player::reply($$$;$) { 2550sub cf::object::player::reply($$$;$) {
… …
1806 2552
1807 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2553 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808 2554
1809 if ($self->{record_replies}) { 2555 if ($self->{record_replies}) {
1810 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2556 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2557
1811 } else { 2558 } else {
2559 my $pl = $self->contr;
2560
2561 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2562 my $dialog = $pl->{npc_dialog};
2563 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2564
2565 } else {
1812 $msg = $npc->name . " says: $msg" if $npc; 2566 $msg = $npc->name . " says: $msg" if $npc;
1813 $self->message ($msg, $flags); 2567 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2568 }
1814 } 2569 }
2570}
2571
2572=item $object->send_msg ($channel, $msg, $color, [extra...])
2573
2574=cut
2575
2576sub cf::object::send_msg {
2577 my $pl = shift->contr
2578 or return;
2579 $pl->send_msg (@_);
1815} 2580}
1816 2581
1817=item $player_object->may ("access") 2582=item $player_object->may ("access")
1818 2583
1819Returns wether the given player is authorized to access resource "access" 2584Returns wether the given player is authorized to access resource "access"
… …
1832 2597
1833=item $player_object->enter_link 2598=item $player_object->enter_link
1834 2599
1835Freezes the player and moves him/her to a special map (C<{link}>). 2600Freezes the player and moves him/her to a special map (C<{link}>).
1836 2601
1837The player should be reasonably safe there for short amounts of time. You 2602The player should be reasonably safe there for short amounts of time (e.g.
1838I<MUST> call C<leave_link> as soon as possible, though. 2603for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2604though, as the player cannot control the character while it is on the link
2605map.
1839 2606
1840Will never block. 2607Will never block.
1841 2608
1842=item $player_object->leave_link ($map, $x, $y) 2609=item $player_object->leave_link ($map, $x, $y)
1843 2610
… …
1863sub cf::object::player::enter_link { 2630sub cf::object::player::enter_link {
1864 my ($self) = @_; 2631 my ($self) = @_;
1865 2632
1866 $self->deactivate_recursive; 2633 $self->deactivate_recursive;
1867 2634
2635 ++$self->{_link_recursion};
2636
1868 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2637 return if UNIVERSAL::isa $self->map, "ext::map_link";
1869 2638
1870 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2639 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871 if $self->map; 2640 if $self->map && $self->map->{path} ne "{link}";
1872 2641
1873 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2642 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1874} 2643}
1875 2644
1876sub cf::object::player::leave_link { 2645sub cf::object::player::leave_link {
1877 my ($self, $map, $x, $y) = @_; 2646 my ($self, $map, $x, $y) = @_;
2647
2648 return unless $self->contr->active;
1878 2649
1879 my $link_pos = delete $self->{_link_pos}; 2650 my $link_pos = delete $self->{_link_pos};
1880 2651
1881 unless ($map) { 2652 unless ($map) {
1882 # restore original map position 2653 # restore original map position
… …
1893 ($x, $y) = (-1, -1) 2664 ($x, $y) = (-1, -1)
1894 unless (defined $x) && (defined $y); 2665 unless (defined $x) && (defined $y);
1895 2666
1896 # use -1 or undef as default coordinates, not 0, 0 2667 # use -1 or undef as default coordinates, not 0, 0
1897 ($x, $y) = ($map->enter_x, $map->enter_y) 2668 ($x, $y) = ($map->enter_x, $map->enter_y)
1898 if $x <=0 && $y <= 0; 2669 if $x <= 0 && $y <= 0;
1899 2670
1900 $map->load; 2671 $map->load;
1901 $map->load_diag; 2672 $map->load_neighbours;
1902 2673
1903 return unless $self->contr->active; 2674 return unless $self->contr->active;
1904 $self->activate_recursive;
1905 2675
1906 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2676 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907 $self->enter_map ($map, $x, $y); 2677 if ($self->enter_map ($map, $x, $y)) {
1908} 2678 # entering was successful
1909 2679 delete $self->{_link_recursion};
1910cf::player->attach ( 2680 # only activate afterwards, to support waiting in hooks
1911 on_logout => sub { 2681 $self->activate_recursive;
1912 my ($pl) = @_;
1913
1914 # abort map switching before logout
1915 if ($pl->ob->{_link_pos}) {
1916 cf::sync_job {
1917 $pl->ob->leave_link
1918 };
1919 }
1920 }, 2682 }
1921 on_login => sub {
1922 my ($pl) = @_;
1923 2683
1924 # try to abort aborted map switching on player login :) 2684}
1925 # should happen only on crashes
1926 if ($pl->ob->{_link_pos}) {
1927 $pl->ob->enter_link;
1928 (async {
1929 $pl->ob->reply (undef,
1930 "There was an internal problem at your last logout, "
1931 . "the server will try to bring you to your intended destination in a second.",
1932 cf::NDI_RED);
1933 # we need this sleep as the login has a concurrent enter_exit running
1934 # and this sleep increases chances of the player not ending up in scorn
1935 Coro::Timer::sleep 1;
1936 $pl->ob->leave_link;
1937 })->prio (2);
1938 }
1939 },
1940);
1941 2685
1942=item $player_object->goto ($path, $x, $y) 2686=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943 2687
2688Moves the player to the given map-path and coordinates by first freezing
2689her, loading and preparing them map, calling the provided $check callback
2690that has to return the map if sucecssful, and then unfreezes the player on
2691the new (success) or old (failed) map position. In either case, $done will
2692be called at the end of this process.
2693
2694Note that $check will be called with a potentially non-loaded map, so if
2695it needs a loaded map it has to call C<< ->load >>.
2696
1944=cut 2697=cut
2698
2699our $GOTOGEN;
1945 2700
1946sub cf::object::player::goto { 2701sub cf::object::player::goto {
1947 my ($self, $path, $x, $y) = @_; 2702 my ($self, $path, $x, $y, $check, $done) = @_;
2703
2704 if ($self->{_link_recursion} >= $MAX_LINKS) {
2705 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2706 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2707 ($path, $x, $y) = @$EMERGENCY_POSITION;
2708 }
2709
2710 # do generation counting so two concurrent goto's will be executed in-order
2711 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948 2712
1949 $self->enter_link; 2713 $self->enter_link;
1950 2714
1951 (async { 2715 (async {
2716 $Coro::current->{desc} = "player::goto $path $x $y";
2717
2718 # *tag paths override both path and x|y
2719 if ($path =~ /^\*(.*)$/) {
2720 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2721 my $ob = $obs[rand @obs];
2722
2723 # see if we actually can go there
2724 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2725 $ob = $obs[rand @obs];
2726 } else {
2727 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2728 }
2729 # else put us there anyways for now #d#
2730
2731 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2732 } else {
2733 ($path, $x, $y) = (undef, undef, undef);
2734 }
2735 }
2736
1952 my $map = eval { 2737 my $map = eval {
1953 my $map = cf::map::find $path; 2738 my $map = defined $path ? cf::map::find $path : undef;
2739
2740 if ($map) {
1954 $map = $map->customise_for ($self) if $map; 2741 $map = $map->customise_for ($self);
2742 $map = $check->($map, $x, $y, $self) if $check && $map;
2743 } else {
2744 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2745 }
2746
1955 $map 2747 $map
2748 };
2749
2750 if ($@) {
2751 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2752 LOG llevError | logBacktrace, Carp::longmess $@;
1956 } or 2753 }
1957 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958 2754
2755 if ($gen == $self->{_goto_generation}) {
2756 delete $self->{_goto_generation};
1959 $self->leave_link ($map, $x, $y); 2757 $self->leave_link ($map, $x, $y);
2758 }
2759
2760 $done->($self) if $done;
1960 })->prio (1); 2761 })->prio (1);
1961} 2762}
1962 2763
1963=item $player_object->enter_exit ($exit_object) 2764=item $player_object->enter_exit ($exit_object)
1964 2765
… …
1984} 2785}
1985 2786
1986sub prepare_random_map { 2787sub prepare_random_map {
1987 my ($exit) = @_; 2788 my ($exit) = @_;
1988 2789
1989 my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991 # all this does is basically replace the /! path by 2790 # all this does is basically replace the /! path by
1992 # a new random map path (?random/...) with a seed 2791 # a new random map path (?random/...) with a seed
1993 # that depends on the exit object 2792 # that depends on the exit object
1994 2793
1995 my $rmp = parse_random_map_params $exit->msg; 2794 my $rmp = parse_random_map_params $exit->msg;
… …
1997 if ($exit->map) { 2796 if ($exit->map) {
1998 $rmp->{region} = $exit->region->name; 2797 $rmp->{region} = $exit->region->name;
1999 $rmp->{origin_map} = $exit->map->path; 2798 $rmp->{origin_map} = $exit->map->path;
2000 $rmp->{origin_x} = $exit->x; 2799 $rmp->{origin_x} = $exit->x;
2001 $rmp->{origin_y} = $exit->y; 2800 $rmp->{origin_y} = $exit->y;
2801
2802 $exit->map->touch;
2002 } 2803 }
2003 2804
2004 $rmp->{random_seed} ||= $exit->random_seed; 2805 $rmp->{random_seed} ||= $exit->random_seed;
2005 2806
2006 my $data = cf::to_json $rmp; 2807 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007 my $md5 = Digest::MD5::md5_hex $data; 2808 my $md5 = Digest::MD5::md5_hex $data;
2008 my $meta = "$RANDOMDIR/$md5.meta"; 2809 my $meta = "$RANDOMDIR/$md5.meta";
2009 2810
2010 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2811 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011 aio_write $fh, 0, (length $data), $data, 0; 2812 aio_write $fh, 0, (length $data), $data, 0;
2012 undef $fh; 2813 undef $fh;
2013 aio_rename "$meta~", $meta; 2814 aio_rename "$meta~", $meta;
2014 2815
2816 my $slaying = "?random/$md5";
2817
2818 if ($exit->valid) {
2015 $exit->slaying ("?random/$md5"); 2819 $exit->slaying ("?random/$md5");
2016 $exit->msg (undef); 2820 $exit->msg (undef);
2821 }
2017 } 2822 }
2018} 2823}
2019 2824
2020sub cf::object::player::enter_exit { 2825sub cf::object::player::enter_exit {
2021 my ($self, $exit) = @_; 2826 my ($self, $exit) = @_;
2022 2827
2023 return unless $self->type == cf::PLAYER; 2828 return unless $self->type == cf::PLAYER;
2024 2829
2025 if ($exit->slaying eq "/!") {
2026 #TODO: this should de-fi-ni-te-ly not be a sync-job
2027 # the problem is that $exit might not survive long enough
2028 # so it needs to be done right now, right here
2029 cf::sync_job { prepare_random_map $exit };
2030 }
2031
2032 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033 my $hp = $exit->stats->hp;
2034 my $sp = $exit->stats->sp;
2035
2036 $self->enter_link; 2830 $self->enter_link;
2037 2831
2038 (async { 2832 (async {
2039 $self->deactivate_recursive; # just to be sure 2833 $Coro::current->{desc} = "enter_exit";
2834
2040 unless (eval { 2835 unless (eval {
2836 $self->deactivate_recursive; # just to be sure
2837
2838 # random map handling
2839 {
2840 my $guard = cf::lock_acquire "exit_prepare:$exit";
2841
2842 prepare_random_map $exit
2843 if $exit->slaying eq "/!";
2844 }
2845
2846 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2847 my $x = $exit->stats->hp;
2848 my $y = $exit->stats->sp;
2849
2041 $self->goto ($slaying, $hp, $sp); 2850 $self->goto ($map, $x, $y);
2042 2851
2852 # if exit is damned, update players death & WoR home-position
2853 $self->contr->savebed ($map, $x, $y)
2854 if $exit->flag (cf::FLAG_DAMNED);
2855
2043 1; 2856 1
2044 }) { 2857 }) {
2045 $self->message ("Something went wrong deep within the crossfire server. " 2858 $self->message ("Something went wrong deep within the deliantra server. "
2046 . "I'll try to bring you back to the map you were before. " 2859 . "I'll try to bring you back to the map you were before. "
2047 . "Please report this to the dungeon master!", 2860 . "Please report this to the dungeon master!",
2048 cf::NDI_UNIQUE | cf::NDI_RED); 2861 cf::NDI_UNIQUE | cf::NDI_RED);
2049 2862
2050 warn "ERROR in enter_exit: $@"; 2863 error "ERROR in enter_exit: $@";
2051 $self->leave_link; 2864 $self->leave_link;
2052 } 2865 }
2053 })->prio (1); 2866 })->prio (1);
2054} 2867}
2055 2868
… …
2069 2882
2070 utf8::encode $text; 2883 utf8::encode $text;
2071 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2884 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072} 2885}
2073 2886
2887=item $client->send_big_packet ($pkt)
2888
2889Like C<send_packet>, but tries to compress large packets, and fragments
2890them as required.
2891
2892=cut
2893
2894our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2895
2896sub cf::client::send_big_packet {
2897 my ($self, $pkt) = @_;
2898
2899 # try lzf for large packets
2900 $pkt = "lzf " . Compress::LZF::compress $pkt
2901 if 1024 <= length $pkt and $self->{can_lzf};
2902
2903 # split very large packets
2904 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2905 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2906 $pkt = "frag";
2907 }
2908
2909 $self->send_packet ($pkt);
2910}
2911
2912=item $client->send_msg ($channel, $msg, $color, [extra...])
2913
2914Send a drawinfo or msg packet to the client, formatting the msg for the
2915client if neccessary. C<$type> should be a string identifying the type of
2916the message, with C<log> being the default. If C<$color> is negative, suppress
2917the message unless the client supports the msg packet.
2918
2919=cut
2920
2921# non-persistent channels (usually the info channel)
2922our %CHANNEL = (
2923 "c/motd" => {
2924 id => "infobox",
2925 title => "MOTD",
2926 reply => undef,
2927 tooltip => "The message of the day",
2928 },
2929 "c/identify" => {
2930 id => "infobox",
2931 title => "Identify",
2932 reply => undef,
2933 tooltip => "Items recently identified",
2934 },
2935 "c/examine" => {
2936 id => "infobox",
2937 title => "Examine",
2938 reply => undef,
2939 tooltip => "Signs and other items you examined",
2940 },
2941 "c/shopinfo" => {
2942 id => "infobox",
2943 title => "Shop Info",
2944 reply => undef,
2945 tooltip => "What your bargaining skill tells you about the shop",
2946 },
2947 "c/book" => {
2948 id => "infobox",
2949 title => "Book",
2950 reply => undef,
2951 tooltip => "The contents of a note or book",
2952 },
2953 "c/lookat" => {
2954 id => "infobox",
2955 title => "Look",
2956 reply => undef,
2957 tooltip => "What you saw there",
2958 },
2959 "c/who" => {
2960 id => "infobox",
2961 title => "Players",
2962 reply => undef,
2963 tooltip => "Shows players who are currently online",
2964 },
2965 "c/body" => {
2966 id => "infobox",
2967 title => "Body Parts",
2968 reply => undef,
2969 tooltip => "Shows which body parts you posess and are available",
2970 },
2971 "c/statistics" => {
2972 id => "infobox",
2973 title => "Statistics",
2974 reply => undef,
2975 tooltip => "Shows your primary statistics",
2976 },
2977 "c/skills" => {
2978 id => "infobox",
2979 title => "Skills",
2980 reply => undef,
2981 tooltip => "Shows your experience per skill and item power",
2982 },
2983 "c/shopitems" => {
2984 id => "infobox",
2985 title => "Shop Items",
2986 reply => undef,
2987 tooltip => "Shows the items currently for sale in this shop",
2988 },
2989 "c/resistances" => {
2990 id => "infobox",
2991 title => "Resistances",
2992 reply => undef,
2993 tooltip => "Shows your resistances",
2994 },
2995 "c/pets" => {
2996 id => "infobox",
2997 title => "Pets",
2998 reply => undef,
2999 tooltip => "Shows information abotu your pets/a specific pet",
3000 },
3001 "c/perceiveself" => {
3002 id => "infobox",
3003 title => "Perceive Self",
3004 reply => undef,
3005 tooltip => "You gained detailed knowledge about yourself",
3006 },
3007 "c/uptime" => {
3008 id => "infobox",
3009 title => "Uptime",
3010 reply => undef,
3011 tooltip => "How long the server has been running since last restart",
3012 },
3013 "c/mapinfo" => {
3014 id => "infobox",
3015 title => "Map Info",
3016 reply => undef,
3017 tooltip => "Information related to the maps",
3018 },
3019 "c/party" => {
3020 id => "party",
3021 title => "Party",
3022 reply => "gsay ",
3023 tooltip => "Messages and chat related to your party",
3024 },
3025 "c/death" => {
3026 id => "death",
3027 title => "Death",
3028 reply => undef,
3029 tooltip => "Reason for and more info about your most recent death",
3030 },
3031 "c/say" => $SAY_CHANNEL,
3032 "c/chat" => $CHAT_CHANNEL,
3033);
3034
3035sub cf::client::send_msg {
3036 my ($self, $channel, $msg, $color, @extra) = @_;
3037
3038 $msg = $self->pl->expand_cfpod ($msg)
3039 unless $color & cf::NDI_VERBATIM;
3040
3041 $color &= cf::NDI_CLIENT_MASK; # just in case...
3042
3043 # check predefined channels, for the benefit of C
3044 if ($CHANNEL{$channel}) {
3045 $channel = $CHANNEL{$channel};
3046
3047 $self->ext_msg (channel_info => $channel);
3048 $channel = $channel->{id};
3049
3050 } elsif (ref $channel) {
3051 # send meta info to client, if not yet sent
3052 unless (exists $self->{channel}{$channel->{id}}) {
3053 $self->{channel}{$channel->{id}} = $channel;
3054 $self->ext_msg (channel_info => $channel);
3055 }
3056
3057 $channel = $channel->{id};
3058 }
3059
3060 return unless @extra || length $msg;
3061
3062 # default colour, mask it out
3063 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3064 if $color & cf::NDI_DEF;
3065
3066 my $pkt = "msg "
3067 . $self->{json_coder}->encode (
3068 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3069 );
3070
3071 $self->send_big_packet ($pkt);
3072}
3073
2074=item $client->ext_event ($type, %msg) 3074=item $client->ext_msg ($type, @msg)
2075 3075
2076Sends an exti event to the client. 3076Sends an ext event to the client.
2077 3077
2078=cut 3078=cut
2079 3079
2080sub cf::client::ext_event($$%) { 3080sub cf::client::ext_msg($$@) {
2081 my ($self, $type, %msg) = @_; 3081 my ($self, $type, @msg) = @_;
2082 3082
3083 if ($self->extcmd == 2) {
3084 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3085 } elsif ($self->extcmd == 1) { # TODO: remove
2083 $msg{msgtype} = "event_$type"; 3086 push @msg, msgtype => "event_$type";
2084 $self->send_packet ("ext " . cf::to_json \%msg); 3087 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3088 }
3089}
3090
3091=item $client->ext_reply ($msgid, @msg)
3092
3093Sends an ext reply to the client.
3094
3095=cut
3096
3097sub cf::client::ext_reply($$@) {
3098 my ($self, $id, @msg) = @_;
3099
3100 if ($self->extcmd == 2) {
3101 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3102 } elsif ($self->extcmd == 1) {
3103 #TODO: version 1, remove
3104 unshift @msg, msgtype => "reply", msgid => $id;
3105 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3106 }
2085} 3107}
2086 3108
2087=item $success = $client->query ($flags, "text", \&cb) 3109=item $success = $client->query ($flags, "text", \&cb)
2088 3110
2089Queues a query to the client, calling the given callback with 3111Queues a query to the client, calling the given callback with
2090the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3112the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3113C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092 3114
2093Queries can fail, so check the return code. Or don't, as queries will become 3115Queries can fail, so check the return code. Or don't, as queries will
2094reliable at some point in the future. 3116become reliable at some point in the future.
2095 3117
2096=cut 3118=cut
2097 3119
2098sub cf::client::query { 3120sub cf::client::query {
2099 my ($self, $flags, $text, $cb) = @_; 3121 my ($self, $flags, $text, $cb) = @_;
… …
2107 utf8::encode $text; 3129 utf8::encode $text;
2108 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3130 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109 3131
2110 $self->send_packet ($self->{query_queue}[0][0]) 3132 $self->send_packet ($self->{query_queue}[0][0])
2111 if @{ $self->{query_queue} } == 1; 3133 if @{ $self->{query_queue} } == 1;
3134
3135 1
2112} 3136}
2113 3137
2114cf::client->attach ( 3138cf::client->attach (
3139 on_connect => sub {
3140 my ($ns) = @_;
3141
3142 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3143 },
2115 on_reply => sub { 3144 on_reply => sub {
2116 my ($ns, $msg) = @_; 3145 my ($ns, $msg) = @_;
2117 3146
2118 # this weird shuffling is so that direct followup queries 3147 # this weird shuffling is so that direct followup queries
2119 # get handled first 3148 # get handled first
… …
2131 } else { 3160 } else {
2132 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3161 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133 } 3162 }
2134 } 3163 }
2135 }, 3164 },
3165 on_exticmd => sub {
3166 my ($ns, $buf) = @_;
3167
3168 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3169
3170 if (ref $msg) {
3171 my ($type, $reply, @payload) =
3172 "ARRAY" eq ref $msg
3173 ? @$msg
3174 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3175
3176 my @reply;
3177
3178 if (my $cb = $EXTICMD{$type}) {
3179 @reply = $cb->($ns, @payload);
3180 }
3181
3182 $ns->ext_reply ($reply, @reply)
3183 if $reply;
3184
3185 } else {
3186 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3187 }
3188
3189 cf::override;
3190 },
2136); 3191);
2137 3192
2138=item $client->async (\&cb) 3193=item $client->async (\&cb)
2139 3194
2140Create a new coroutine, running the specified callback. The coroutine will 3195Create a new coroutine, running the specified callback. The coroutine will
… …
2156 3211
2157 $coro 3212 $coro
2158} 3213}
2159 3214
2160cf::client->attach ( 3215cf::client->attach (
2161 on_destroy => sub { 3216 on_client_destroy => sub {
2162 my ($ns) = @_; 3217 my ($ns) = @_;
2163 3218
2164 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3219 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165 }, 3220 },
2166); 3221);
… …
2181our $safe = new Safe "safe"; 3236our $safe = new Safe "safe";
2182our $safe_hole = new Safe::Hole; 3237our $safe_hole = new Safe::Hole;
2183 3238
2184$SIG{FPE} = 'IGNORE'; 3239$SIG{FPE} = 'IGNORE';
2185 3240
2186$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3241$safe->permit_only (Opcode::opset qw(
3242 :base_core :base_mem :base_orig :base_math :base_loop
3243 grepstart grepwhile mapstart mapwhile
3244 sort time
3245));
2187 3246
2188# here we export the classes and methods available to script code 3247# here we export the classes and methods available to script code
2189 3248
2190=pod 3249=pod
2191 3250
2192The following functions and methods are available within a safe environment: 3251The following functions and methods are available within a safe environment:
2193 3252
2194 cf::object contr pay_amount pay_player map 3253 cf::object
3254 contr pay_amount pay_player map x y force_find force_add destroy
3255 insert remove name archname title slaying race decrease split
3256 value
3257
2195 cf::object::player player 3258 cf::object::player
2196 cf::player peaceful 3259 player
2197 cf::map trigger 3260
3261 cf::player
3262 peaceful
3263
3264 cf::map
3265 trigger
2198 3266
2199=cut 3267=cut
2200 3268
2201for ( 3269for (
2202 ["cf::object" => qw(contr pay_amount pay_player map)], 3270 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3271 insert remove inv nrof name archname title slaying race
3272 decrease split destroy change_exp value msg lore send_msg)],
2203 ["cf::object::player" => qw(player)], 3273 ["cf::object::player" => qw(player)],
2204 ["cf::player" => qw(peaceful)], 3274 ["cf::player" => qw(peaceful send_msg)],
2205 ["cf::map" => qw(trigger)], 3275 ["cf::map" => qw(trigger)],
2206) { 3276) {
2207 no strict 'refs';
2208 my ($pkg, @funs) = @$_; 3277 my ($pkg, @funs) = @$_;
2209 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3278 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2210 for @funs; 3279 for @funs;
2211} 3280}
2212 3281
… …
2227 3296
2228 my $qcode = $code; 3297 my $qcode = $code;
2229 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3298 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2230 $qcode =~ s/\n/\\n/g; 3299 $qcode =~ s/\n/\\n/g;
2231 3300
3301 %vars = (_dummy => 0) unless %vars;
3302
3303 my @res;
2232 local $_; 3304 local $_;
2233 local @safe::cf::_safe_eval_args = values %vars;
2234 3305
2235 my $eval = 3306 my $eval =
2236 "do {\n" 3307 "do {\n"
2237 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3308 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238 . "#line 0 \"{$qcode}\"\n" 3309 . "#line 0 \"{$qcode}\"\n"
2239 . $code 3310 . $code
2240 . "\n}" 3311 . "\n}"
2241 ; 3312 ;
2242 3313
3314 if ($CFG{safe_eval}) {
2243 sub_generation_inc; 3315 sub_generation_inc;
3316 local @safe::cf::_safe_eval_args = values %vars;
2244 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3317 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245 sub_generation_inc; 3318 sub_generation_inc;
3319 } else {
3320 local @cf::_safe_eval_args = values %vars;
3321 @res = wantarray ? eval eval : scalar eval $eval;
3322 }
2246 3323
2247 if ($@) { 3324 if ($@) {
2248 warn "$@"; 3325 warn "$@",
2249 warn "while executing safe code '$code'\n"; 3326 "while executing safe code '$code'\n",
2250 warn "with arguments " . (join " ", %vars) . "\n"; 3327 "with arguments " . (join " ", %vars) . "\n";
2251 } 3328 }
2252 3329
2253 wantarray ? @res : $res[0] 3330 wantarray ? @res : $res[0]
2254} 3331}
2255 3332
… …
2269=cut 3346=cut
2270 3347
2271sub register_script_function { 3348sub register_script_function {
2272 my ($fun, $cb) = @_; 3349 my ($fun, $cb) = @_;
2273 3350
2274 no strict 'refs'; 3351 $fun = "safe::$fun" if $CFG{safe_eval};
2275 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3352 *$fun = $safe_hole->wrap ($cb);
2276} 3353}
2277 3354
2278=back 3355=back
2279 3356
2280=cut 3357=cut
2281
2282#############################################################################
2283
2284=head2 EXTENSION DATABASE SUPPORT
2285
2286Crossfire maintains a very simple database for extension use. It can
2287currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288convert to/from binary).
2289
2290The parameter C<$family> should best start with the name of the extension
2291using it, it should be unique.
2292
2293=over 4
2294
2295=item $value = cf::db_get $family => $key
2296
2297Returns a single value from the database.
2298
2299=item cf::db_put $family => $key => $value
2300
2301Stores the given C<$value> in the family.
2302
2303=cut
2304
2305our $DB;
2306
2307sub db_init {
2308 unless ($DB) {
2309 $DB = BDB::db_create $DB_ENV;
2310
2311 cf::sync_job {
2312 eval {
2313 $DB->set_flags (BDB::CHKSUM);
2314
2315 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317 cf::cleanup "db_open(db): $!" if $!;
2318 };
2319 cf::cleanup "db_open(db): $@" if $@;
2320 };
2321 }
2322}
2323
2324sub db_get($$) {
2325 my $key = "$_[0]/$_[1]";
2326
2327 cf::sync_job {
2328 BDB::db_get $DB, undef, $key, my $data;
2329
2330 $! ? ()
2331 : $data
2332 }
2333}
2334
2335sub db_put($$$) {
2336 BDB::dbreq_pri 4;
2337 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338}
2339
2340=item cf::cache $id => [$paths...], $processversion => $process
2341
2342Generic caching function that returns the value of the resource $id,
2343caching and regenerating as required.
2344
2345This function can block.
2346
2347=cut
2348
2349sub cache {
2350 my ($id, $src, $processversion, $process) = @_;
2351
2352 my $meta =
2353 join "\x00",
2354 $processversion,
2355 map {
2356 aio_stat $_
2357 and Carp::croak "$_: $!";
2358
2359 ($_, (stat _)[7,9])
2360 } @$src;
2361
2362 my $dbmeta = db_get cache => "$id/meta";
2363 if ($dbmeta ne $meta) {
2364 # changed, we may need to process
2365
2366 my @data;
2367 my $md5;
2368
2369 for (0 .. $#$src) {
2370 0 <= aio_load $src->[$_], $data[$_]
2371 or Carp::croak "$src->[$_]: $!";
2372 }
2373
2374 # if processing is expensive, check
2375 # checksum first
2376 if (1) {
2377 $md5 =
2378 join "\x00",
2379 $processversion,
2380 map {
2381 Coro::cede;
2382 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2383 } 0.. $#$src;
2384
2385
2386 my $dbmd5 = db_get cache => "$id/md5";
2387 if ($dbmd5 eq $md5) {
2388 db_put cache => "$id/meta", $meta;
2389
2390 return db_get cache => "$id/data";
2391 }
2392 }
2393
2394 my $t1 = Time::HiRes::time;
2395 my $data = $process->(\@data);
2396 my $t2 = Time::HiRes::time;
2397
2398 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400 db_put cache => "$id/data", $data;
2401 db_put cache => "$id/md5" , $md5;
2402 db_put cache => "$id/meta", $meta;
2403
2404 return $data;
2405 }
2406
2407 db_get cache => "$id/data"
2408}
2409
2410=item fork_call { }, $args
2411
2412Executes the given code block with the given arguments in a seperate
2413process, returning the results. Everything must be serialisable with
2414Coro::Storable. May, of course, block. Note that the executed sub may
2415never block itself or use any form of Event handling.
2416
2417=cut
2418
2419sub fork_call(&@) {
2420 my ($cb, @args) = @_;
2421
2422# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423# or die "socketpair: $!";
2424 pipe my $fh1, my $fh2
2425 or die "pipe: $!";
2426
2427 if (my $pid = fork) {
2428 close $fh2;
2429
2430 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431 $res = Coro::Storable::thaw $res;
2432
2433 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435 die $$res unless "ARRAY" eq ref $res;
2436
2437 return wantarray ? @$res : $res->[-1];
2438 } else {
2439 local $SIG{__WARN__};
2440 eval {
2441 local $SIG{__DIE__};
2442 close $fh1;
2443
2444 my @res = eval { $cb->(@args) };
2445 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446 };
2447
2448 warn $@ if $@;
2449 _exit 0;
2450 }
2451}
2452
2453
2454 3358
2455############################################################################# 3359#############################################################################
2456# the server's init and main functions 3360# the server's init and main functions
2457 3361
3362# async inc loader. yay.
3363sub inc_loader {
3364 my $mod = $_[1];
3365
3366 if (in_main && !tick_inhibit) {
3367 Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
3368 } else {
3369 debug "loading perl module $mod\n";
3370 }
3371
3372 # 1. find real file
3373 for my $dir (@ORIG_INC) {
3374 ref $dir and next;
3375 0 <= Coro::AIO::aio_load "$dir/$mod", my $data
3376 or next;
3377
3378 $data = "#line 1 $dir/$mod\n$data";
3379
3380 open my $fh, "<", \$data or die;
3381
3382 return $fh;
3383 }
3384
3385 ()
3386}
3387
3388sub init_inc {
3389 # save original @INC
3390 @ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
3391
3392 # make sure we can do scalar-opens
3393 open my $dummy, "<", \my $dummy2;
3394
3395 # execute some stuff so perl load's some of the core modules
3396 /Ü/ =~ /ü/i;
3397 eval { &Storable::nstore_fd };
3398
3399 @INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
3400
3401 debug "module loading will be asynchronous from this point on.";
3402}
3403
2458sub load_facedata($) { 3404sub load_facedata($) {
2459 my ($path) = @_; 3405 my ($path) = @_;
2460 3406
3407 # HACK to clear player env face cache, we need some signal framework
3408 # for this (global event?)
3409 %ext::player_env::MUSIC_FACE_CACHE = ();
3410
3411 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3412
2461 warn "loading facedata from $path\n"; 3413 trace "loading facedata from $path\n";
2462 3414
2463 my $facedata; 3415 my $facedata;
2464 0 < aio_load $path, $facedata 3416 0 < aio_load $path, $facedata
2465 or die "$path: $!"; 3417 or die "$path: $!";
2466 3418
2467 $facedata = Coro::Storable::thaw $facedata; 3419 $facedata = Coro::Storable::thaw $facedata;
2468 3420
2469 $facedata->{version} == 2 3421 $facedata->{version} == 2
2470 or cf::cleanup "$path: version mismatch, cannot proceed."; 3422 or cf::cleanup "$path: version mismatch, cannot proceed.";
2471 3423
3424 # patch in the exptable
3425 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3426 $facedata->{resource}{"res/exp_table"} = {
3427 type => FT_RSRC,
3428 data => $exp_table,
3429 hash => (Digest::MD5::md5 $exp_table),
3430 };
3431 cf::cede_to_tick;
3432
2472 { 3433 {
2473 my $faces = $facedata->{faceinfo}; 3434 my $faces = $facedata->{faceinfo};
2474 3435
2475 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2476 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3437 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3438
2477 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3439 cf::face::set_visibility $idx, $info->{visibility};
3440 cf::face::set_magicmap $idx, $info->{magicmap};
2478 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3441 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3442 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480 Coro::cede; 3443
3444 cf::cede_to_tick;
2481 } 3445 }
2482 3446
2483 while (my ($face, $info) = each %$faces) { 3447 while (my ($face, $info) = each %$faces) {
2484 next unless $info->{smooth}; 3448 next unless $info->{smooth};
3449
2485 my $idx = cf::face::find $face 3450 my $idx = cf::face::find $face
2486 or next; 3451 or next;
3452
2487 if (my $smooth = cf::face::find $info->{smooth}) { 3453 if (my $smooth = cf::face::find $info->{smooth}) {
3454 cf::face::set_smooth $idx, $smooth;
2488 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3455 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489 } else { 3456 } else {
2490 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3457 error "smooth face '$info->{smooth}' not found for face '$face'";
2491 } 3458 }
2492 Coro::cede; 3459
3460 cf::cede_to_tick;
2493 } 3461 }
2494 } 3462 }
2495 3463
2496 { 3464 {
2497 my $anims = $facedata->{animinfo}; 3465 my $anims = $facedata->{animinfo};
2498 3466
2499 while (my ($anim, $info) = each %$anims) { 3467 while (my ($anim, $info) = each %$anims) {
2500 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3468 cf::anim::set $anim, $info->{frames}, $info->{facings};
2501 Coro::cede; 3469 cf::cede_to_tick;
2502 } 3470 }
2503 3471
2504 cf::anim::invalidate_all; # d'oh 3472 cf::anim::invalidate_all; # d'oh
2505 } 3473 }
2506 3474
3475 {
3476 my $res = $facedata->{resource};
3477
3478 while (my ($name, $info) = each %$res) {
3479 if (defined $info->{type}) {
3480 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3481
3482 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3483 cf::face::set_type $idx, $info->{type};
3484 } else {
3485 $RESOURCE{$name} = $info; # unused
3486 }
3487
3488 cf::cede_to_tick;
3489 }
3490 }
3491
3492 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3493
2507 1 3494 1
2508} 3495}
2509 3496
3497register_exticmd fx_want => sub {
3498 my ($ns, $want) = @_;
3499
3500 while (my ($k, $v) = each %$want) {
3501 $ns->fx_want ($k, $v);
3502 }
3503};
3504
3505sub load_resource_file($) {
3506 my $guard = lock_acquire "load_resource_file";
3507
3508 my $status = load_resource_file_ $_[0];
3509 get_slot 0.1, 100;
3510 cf::arch::commit_load;
3511
3512 $status
3513}
3514
2510sub reload_regions { 3515sub reload_regions {
3516 # HACK to clear player env face cache, we need some signal framework
3517 # for this (global event?)
3518 %ext::player_env::MUSIC_FACE_CACHE = ();
3519
2511 load_resource_file "$MAPDIR/regions" 3520 load_resource_file "$MAPDIR/regions"
2512 or die "unable to load regions file\n"; 3521 or die "unable to load regions file\n";
3522
3523 for (cf::region::list) {
3524 $_->{match} = qr/$_->{match}/
3525 if exists $_->{match};
3526 }
2513} 3527}
2514 3528
2515sub reload_facedata { 3529sub reload_facedata {
2516 load_facedata "$DATADIR/facedata" 3530 load_facedata "$DATADIR/facedata"
2517 or die "unable to load facedata\n"; 3531 or die "unable to load facedata\n";
… …
2525sub reload_treasures { 3539sub reload_treasures {
2526 load_resource_file "$DATADIR/treasures" 3540 load_resource_file "$DATADIR/treasures"
2527 or die "unable to load treasurelists\n"; 3541 or die "unable to load treasurelists\n";
2528} 3542}
2529 3543
3544sub reload_sound {
3545 trace "loading sound config from $DATADIR/sound\n";
3546
3547 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3548 or die "$DATADIR/sound $!";
3549
3550 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3551
3552 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3553 my $sound = $soundconf->{compat}[$_]
3554 or next;
3555
3556 my $face = cf::face::find "sound/$sound->[1]";
3557 cf::sound::set $sound->[0] => $face;
3558 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3559 }
3560
3561 while (my ($k, $v) = each %{$soundconf->{event}}) {
3562 my $face = cf::face::find "sound/$v";
3563 cf::sound::set $k => $face;
3564 }
3565}
3566
2530sub reload_resources { 3567sub reload_resources {
2531 warn "reloading resource files...\n"; 3568 trace "reloading resource files...\n";
2532 3569
3570 reload_facedata;
3571 reload_sound;
3572 reload_archetypes;
2533 reload_regions; 3573 reload_regions;
2534 reload_facedata;
2535 reload_archetypes;
2536 reload_treasures; 3574 reload_treasures;
2537 3575
2538 warn "finished reloading resource files\n"; 3576 trace "finished reloading resource files\n";
2539} 3577}
2540 3578
2541sub init { 3579sub reload_config {
2542 reload_resources; 3580 trace "reloading config file...\n";
2543}
2544 3581
2545sub cfg_load {
2546 open my $fh, "<:utf8", "$CONFDIR/config" 3582 open my $fh, "<:utf8", "$CONFDIR/config"
2547 or return; 3583 or return;
2548 3584
2549 local $/; 3585 local $/;
2550 *CFG = YAML::Syck::Load <$fh>; 3586 *CFG = YAML::XS::Load scalar <$fh>;
2551 3587
2552 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3588 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553 3589
2554 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3590 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3591 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556 3592
2557 if (exists $CFG{mlockall}) { 3593 if (exists $CFG{mlockall}) {
… …
2559 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3595 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2560 and die "WARNING: m(un)lockall failed: $!\n"; 3596 and die "WARNING: m(un)lockall failed: $!\n";
2561 }; 3597 };
2562 warn $@ if $@; 3598 warn $@ if $@;
2563 } 3599 }
3600
3601 trace "finished reloading resource files\n";
3602}
3603
3604sub pidfile() {
3605 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3606 or die "$PIDFILE: $!";
3607 flock $fh, &Fcntl::LOCK_EX
3608 or die "$PIDFILE: flock: $!";
3609 $fh
3610}
3611
3612# make sure only one server instance is running at any one time
3613sub atomic {
3614 my $fh = pidfile;
3615
3616 my $pid = <$fh>;
3617 kill 9, $pid if $pid > 0;
3618
3619 seek $fh, 0, 0;
3620 print $fh $$;
3621}
3622
3623sub main_loop {
3624 trace "EV::loop starting\n";
3625 if (1) {
3626 EV::loop;
3627 }
3628 trace "EV::loop returned\n";
3629 goto &main_loop unless $REALLY_UNLOOP;
2564} 3630}
2565 3631
2566sub main { 3632sub main {
3633 cf::init_globals; # initialise logging
3634
3635 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3636 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3637 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3638 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3639
3640 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3641
2567 # we must not ever block the main coroutine 3642 # we must not ever block the main coroutine
2568 local $Coro::idle = sub { 3643 local $Coro::idle = sub {
2569 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3644 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570 (async { 3645 (async {
2571 Event::one_event; 3646 $Coro::current->{desc} = "IDLE BUG HANDLER";
3647 EV::loop EV::LOOP_ONESHOT;
2572 })->prio (Coro::PRIO_MAX); 3648 })->prio (Coro::PRIO_MAX);
2573 }; 3649 };
2574 3650
2575 cfg_load; 3651 evthread_start IO::AIO::poll_fileno;
3652
3653 cf::sync_job {
3654 init_inc;
3655
3656 cf::init_experience;
3657 cf::init_anim;
3658 cf::init_attackmess;
3659 cf::init_dynamic;
3660
3661 cf::load_settings;
3662 cf::load_materials;
3663
3664 reload_resources;
3665 reload_config;
2576 db_init; 3666 db_init;
3667
3668 cf::init_uuid;
3669 cf::init_signals;
3670 cf::init_skills;
3671
3672 cf::init_beforeplay;
3673
3674 atomic;
3675
2577 load_extensions; 3676 load_extensions;
2578 3677
2579 $TICK_WATCHER->start; 3678 utime time, time, $RUNTIMEFILE;
2580 Event::loop; 3679
3680 # no (long-running) fork's whatsoever before this point(!)
3681 use POSIX ();
3682 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3683
3684 (pop @POST_INIT)->(0) while @POST_INIT;
3685 };
3686
3687 cf::object::thawer::errors_are_fatal 0;
3688 info "parse errors in files are no longer fatal from this point on.\n";
3689
3690 my $free_main; $free_main = EV::idle sub {
3691 undef $free_main;
3692 undef &main; # free gobs of memory :)
3693 };
3694
3695 goto &main_loop;
2581} 3696}
2582 3697
2583############################################################################# 3698#############################################################################
2584# initialisation and cleanup 3699# initialisation and cleanup
2585 3700
2586# install some emergency cleanup handlers 3701# install some emergency cleanup handlers
2587BEGIN { 3702BEGIN {
3703 our %SIGWATCHER = ();
2588 for my $signal (qw(INT HUP TERM)) { 3704 for my $signal (qw(INT HUP TERM)) {
2589 Event->signal ( 3705 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2590 reentrant => 0,
2591 data => WF_AUTOCANCEL,
2592 signal => $signal,
2593 prio => 0,
2594 cb => sub {
2595 cf::cleanup "SIG$signal"; 3706 cf::cleanup "SIG$signal";
2596 },
2597 ); 3707 };
3708 }
3709}
3710
3711sub write_runtime_sync {
3712 my $t0 = AE::time;
3713
3714 # first touch the runtime file to show we are still running:
3715 # the fsync below can take a very very long time.
3716
3717 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3718
3719 my $guard = cf::lock_acquire "write_runtime";
3720
3721 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3722 or return;
3723
3724 my $value = $cf::RUNTIME + 90 + 10;
3725 # 10 is the runtime save interval, for a monotonic clock
3726 # 60 allows for the watchdog to kill the server.
3727
3728 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3729 and return;
3730
3731 # always fsync - this file is important
3732 aio_fsync $fh
3733 and return;
3734
3735 # touch it again to show we are up-to-date
3736 aio_utime $fh, undef, undef;
3737
3738 close $fh
3739 or return;
3740
3741 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3742 and return;
3743
3744 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3745
2598 } 3746 1
3747}
3748
3749our $uuid_lock;
3750our $uuid_skip;
3751
3752sub write_uuid_sync($) {
3753 $uuid_skip ||= $_[0];
3754
3755 return if $uuid_lock;
3756 local $uuid_lock = 1;
3757
3758 my $uuid = "$LOCALDIR/uuid";
3759
3760 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3761 or return;
3762
3763 my $value = uuid_seq uuid_cur;
3764
3765 unless ($value) {
3766 info "cowardly refusing to write zero uuid value!\n";
3767 return;
3768 }
3769
3770 my $value = uuid_str $value + $uuid_skip;
3771 $uuid_skip = 0;
3772
3773 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3774 and return;
3775
3776 # always fsync - this file is important
3777 aio_fsync $fh
3778 and return;
3779
3780 close $fh
3781 or return;
3782
3783 aio_rename "$uuid~", $uuid
3784 and return;
3785
3786 trace "uuid file written ($value).\n";
3787
3788 1
3789
3790}
3791
3792sub write_uuid($$) {
3793 my ($skip, $sync) = @_;
3794
3795 $sync ? write_uuid_sync $skip
3796 : async { write_uuid_sync $skip };
2599} 3797}
2600 3798
2601sub emergency_save() { 3799sub emergency_save() {
2602 my $freeze_guard = cf::freeze_mainloop; 3800 my $freeze_guard = cf::freeze_mainloop;
2603 3801
2604 warn "enter emergency perl save\n"; 3802 info "emergency_perl_save: enter\n";
3803
3804 # this is a trade-off: we want to be very quick here, so
3805 # save all maps without fsync, and later call a global sync
3806 # (which in turn might be very very slow)
3807 local $USE_FSYNC = 0;
2605 3808
2606 cf::sync_job { 3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
3811
2607 # use a peculiar iteration method to avoid tripping on perl 3812 # use a peculiar iteration method to avoid tripping on perl
2608 # refcount bugs in for. also avoids problems with players 3813 # refcount bugs in for. also avoids problems with players
2609 # and maps saved/destroyed asynchronously. 3814 # and maps saved/destroyed asynchronously.
2610 warn "begin emergency player save\n"; 3815 info "emergency_perl_save: begin player save\n";
2611 for my $login (keys %cf::PLAYER) { 3816 for my $login (keys %cf::PLAYER) {
2612 my $pl = $cf::PLAYER{$login} or next; 3817 my $pl = $cf::PLAYER{$login} or next;
2613 $pl->valid or next; 3818 $pl->valid or next;
3819 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614 $pl->save; 3820 $pl->save;
2615 } 3821 }
2616 warn "end emergency player save\n"; 3822 info "emergency_perl_save: end player save\n";
2617 3823
2618 warn "begin emergency map save\n"; 3824 cf::write_runtime_sync; # external watchdog should not bark
3825
3826 info "emergency_perl_save: begin map save\n";
2619 for my $path (keys %cf::MAP) { 3827 for my $path (keys %cf::MAP) {
2620 my $map = $cf::MAP{$path} or next; 3828 my $map = $cf::MAP{$path} or next;
2621 $map->valid or next; 3829 $map->valid or next;
2622 $map->save; 3830 $map->save;
2623 } 3831 }
2624 warn "end emergency map save\n"; 3832 info "emergency_perl_save: end map save\n";
2625 3833
2626 warn "begin emergency database checkpoint\n"; 3834 cf::write_runtime_sync; # external watchdog should not bark
3835
3836 info "emergency_perl_save: begin database checkpoint\n";
2627 BDB::db_env_txn_checkpoint $DB_ENV; 3837 BDB::db_env_txn_checkpoint $DB_ENV;
2628 warn "end emergency database checkpoint\n"; 3838 info "emergency_perl_save: end database checkpoint\n";
3839
3840 info "emergency_perl_save: begin write uuid\n";
3841 write_uuid_sync 1;
3842 info "emergency_perl_save: end write uuid\n";
3843
3844 cf::write_runtime_sync; # external watchdog should not bark
3845
3846 trace "emergency_perl_save: syncing database to disk";
3847 BDB::db_env_txn_checkpoint $DB_ENV;
3848
3849 info "emergency_perl_save: starting sync\n";
3850 IO::AIO::aio_sync sub {
3851 info "emergency_perl_save: finished sync\n";
3852 };
3853
3854 cf::write_runtime_sync; # external watchdog should not bark
3855
3856 trace "emergency_perl_save: flushing outstanding aio requests";
3857 while (IO::AIO::nreqs || BDB::nreqs) {
3858 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3859 }
3860
3861 cf::write_runtime_sync; # external watchdog should not bark
2629 }; 3862 };
2630 3863
2631 warn "leave emergency perl save\n"; 3864 info "emergency_perl_save: leave\n";
2632} 3865}
2633 3866
2634sub post_cleanup { 3867sub post_cleanup {
2635 my ($make_core) = @_; 3868 my ($make_core) = @_;
2636 3869
3870 IO::AIO::flush;
3871
2637 warn Carp::longmess "post_cleanup backtrace" 3872 error Carp::longmess "post_cleanup backtrace"
2638 if $make_core; 3873 if $make_core;
3874
3875 my $fh = pidfile;
3876 unlink $PIDFILE if <$fh> == $$;
3877}
3878
3879# a safer delete_package, copied from Symbol
3880sub clear_package($) {
3881 my $pkg = shift;
3882
3883 # expand to full symbol table name if needed
3884 unless ($pkg =~ /^main::.*::$/) {
3885 $pkg = "main$pkg" if $pkg =~ /^::/;
3886 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3887 $pkg .= '::' unless $pkg =~ /::$/;
3888 }
3889
3890 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3891 my $stem_symtab = *{$stem}{HASH};
3892
3893 defined $stem_symtab and exists $stem_symtab->{$leaf}
3894 or return;
3895
3896 # clear all symbols
3897 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3898 for my $name (keys %$leaf_symtab) {
3899 _gv_clear *{"$pkg$name"};
3900# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3901 }
2639} 3902}
2640 3903
2641sub do_reload_perl() { 3904sub do_reload_perl() {
2642 # can/must only be called in main 3905 # can/must only be called in main
2643 if ($Coro::current != $Coro::main) { 3906 if (in_main) {
2644 warn "can only reload from main coroutine"; 3907 error "can only reload from main coroutine";
2645 return; 3908 return;
2646 } 3909 }
2647 3910
3911 return if $RELOAD++;
3912
3913 my $t1 = AE::time;
3914
3915 while ($RELOAD) {
2648 warn "reloading..."; 3916 info "reloading...";
2649 3917
2650 warn "entering sync_job"; 3918 trace "entering sync_job";
2651 3919
2652 cf::sync_job { 3920 cf::sync_job {
2653 cf::write_runtime; # external watchdog should not bark
2654 cf::emergency_save; 3921 cf::emergency_save;
2655 cf::write_runtime; # external watchdog should not bark
2656 3922
2657 warn "syncing database to disk";
2658 BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660 # if anything goes wrong in here, we should simply crash as we already saved
2661
2662 warn "cancelling all WF_AUTOCANCEL watchers";
2663 for (Event::all_watchers) {
2664 $_->cancel if $_->data & WF_AUTOCANCEL;
2665 }
2666
2667 warn "flushing outstanding aio requests";
2668 for (;;) {
2669 BDB::flush;
2670 IO::AIO::flush;
2671 Coro::cede;
2672 last unless IO::AIO::nreqs || BDB::nreqs;
2673 warn "iterate...";
2674 }
2675
2676 ++$RELOAD;
2677
2678 warn "cancelling all extension coros"; 3923 trace "cancelling all extension coros";
2679 $_->cancel for values %EXT_CORO; 3924 $_->cancel for values %EXT_CORO;
2680 %EXT_CORO = (); 3925 %EXT_CORO = ();
2681 3926
2682 warn "removing commands"; 3927 trace "removing commands";
2683 %COMMAND = (); 3928 %COMMAND = ();
2684 3929
2685 warn "removing ext commands"; 3930 trace "removing ext/exti commands";
2686 %EXTCMD = (); 3931 %EXTCMD = ();
3932 %EXTICMD = ();
2687 3933
2688 warn "unloading/nuking all extensions"; 3934 trace "unloading/nuking all extensions";
2689 for my $pkg (@EXTS) { 3935 for my $pkg (@EXTS) {
2690 warn "... unloading $pkg"; 3936 trace "... unloading $pkg";
2691 3937
2692 if (my $cb = $pkg->can ("unload")) { 3938 if (my $cb = $pkg->can ("unload")) {
2693 eval { 3939 eval {
2694 $cb->($pkg); 3940 $cb->($pkg);
2695 1 3941 1
2696 } or warn "$pkg unloaded, but with errors: $@"; 3942 } or error "$pkg unloaded, but with errors: $@";
3943 }
3944
3945 trace "... clearing $pkg";
3946 clear_package $pkg;
2697 } 3947 }
2698 3948
2699 warn "... nuking $pkg";
2700 Symbol::delete_package $pkg;
2701 }
2702
2703 warn "unloading all perl modules loaded from $LIBDIR"; 3949 trace "unloading all perl modules loaded from $LIBDIR";
2704 while (my ($k, $v) = each %INC) { 3950 while (my ($k, $v) = each %INC) {
2705 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3951 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706 3952
2707 warn "... unloading $k"; 3953 trace "... unloading $k";
2708 delete $INC{$k}; 3954 delete $INC{$k};
2709 3955
2710 $k =~ s/\.pm$//; 3956 $k =~ s/\.pm$//;
2711 $k =~ s/\//::/g; 3957 $k =~ s/\//::/g;
2712 3958
2713 if (my $cb = $k->can ("unload_module")) { 3959 if (my $cb = $k->can ("unload_module")) {
2714 $cb->(); 3960 $cb->();
3961 }
3962
3963 clear_package $k;
2715 } 3964 }
2716 3965
2717 Symbol::delete_package $k;
2718 }
2719
2720 warn "getting rid of safe::, as good as possible"; 3966 trace "getting rid of safe::, as good as possible";
2721 Symbol::delete_package "safe::$_" 3967 clear_package "safe::$_"
2722 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3968 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723 3969
2724 warn "unloading cf.pm \"a bit\""; 3970 trace "unloading cf.pm \"a bit\"";
2725 delete $INC{"cf.pm"}; 3971 delete $INC{"cf.pm"};
2726 delete $INC{"cf/pod.pm"}; 3972 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727 3973
2728 # don't, removes xs symbols, too, 3974 # don't, removes xs symbols, too,
2729 # and global variables created in xs 3975 # and global variables created in xs
2730 #Symbol::delete_package __PACKAGE__; 3976 #clear_package __PACKAGE__;
2731 3977
2732 warn "unload completed, starting to reload now"; 3978 info "unload completed, starting to reload now";
2733 3979
2734 warn "reloading cf.pm"; 3980 trace "reloading cf.pm";
2735 require cf; 3981 require cf;
2736 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3982 cf::_connect_to_perl_1;
2737 3983
2738 warn "loading config and database again"; 3984 trace "loading config and database again";
2739 cf::cfg_load; 3985 cf::reload_config;
2740 3986
2741 warn "loading extensions"; 3987 trace "loading extensions";
2742 cf::load_extensions; 3988 cf::load_extensions;
2743 3989
3990 if ($REATTACH_ON_RELOAD) {
2744 warn "reattaching attachments to objects/players"; 3991 trace "reattaching attachments to objects/players";
2745 _global_reattach; # objects, sockets 3992 _global_reattach; # objects, sockets
2746 warn "reattaching attachments to maps"; 3993 trace "reattaching attachments to maps";
2747 reattach $_ for values %MAP; 3994 reattach $_ for values %MAP;
2748 warn "reattaching attachments to players"; 3995 trace "reattaching attachments to players";
2749 reattach $_ for values %PLAYER; 3996 reattach $_ for values %PLAYER;
3997 }
2750 3998
3999 trace "running post_init jobs";
4000 (pop @POST_INIT)->(1) while @POST_INIT;
4001
2751 warn "leaving sync_job"; 4002 trace "leaving sync_job";
2752 4003
2753 1 4004 1
2754 } or do { 4005 } or do {
2755 warn $@; 4006 error $@;
2756 warn "error while reloading, exiting."; 4007 cf::cleanup "error while reloading, exiting.";
2757 exit 1; 4008 };
4009
4010 info "reloaded";
4011 --$RELOAD;
2758 }; 4012 }
2759 4013
2760 warn "reloaded"; 4014 $t1 = AE::time - $t1;
4015 info "reload completed in ${t1}s\n";
2761}; 4016};
2762 4017
2763our $RELOAD_WATCHER; # used only during reload 4018our $RELOAD_WATCHER; # used only during reload
2764 4019
2765sub reload_perl() { 4020sub reload_perl() {
2766 # doing reload synchronously and two reloads happen back-to-back, 4021 # doing reload synchronously and two reloads happen back-to-back,
2767 # coro crashes during coro_state_free->destroy here. 4022 # coro crashes during coro_state_free->destroy here.
2768 4023
2769 $RELOAD_WATCHER ||= Event->timer ( 4024 $RELOAD_WATCHER ||= cf::async {
2770 reentrant => 0, 4025 Coro::AIO::aio_wait cache_extensions;
2771 after => 0, 4026
2772 data => WF_AUTOCANCEL, 4027 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773 cb => sub {
2774 do_reload_perl; 4028 do_reload_perl;
2775 undef $RELOAD_WATCHER; 4029 undef $RELOAD_WATCHER;
2776 }, 4030 };
2777 ); 4031 };
2778} 4032}
2779 4033
2780register_command "reload" => sub { 4034register_command "reload" => sub {
2781 my ($who, $arg) = @_; 4035 my ($who, $arg) = @_;
2782 4036
2783 if ($who->flag (FLAG_WIZ)) { 4037 if ($who->flag (FLAG_WIZ)) {
2784 $who->message ("reloading server."); 4038 $who->message ("reloading server.");
4039 async {
4040 $Coro::current->{desc} = "perl_reload";
2785 async { reload_perl }; 4041 reload_perl;
4042 };
2786 } 4043 }
2787}; 4044};
2788 4045
2789unshift @INC, $LIBDIR; 4046#############################################################################
2790 4047
2791my $bug_warning = 0; 4048my $bug_warning = 0;
2792 4049
2793our @WAIT_FOR_TICK; 4050our @WAIT_FOR_TICK;
2794our @WAIT_FOR_TICK_BEGIN; 4051our @WAIT_FOR_TICK_BEGIN;
2795 4052
2796sub wait_for_tick { 4053sub wait_for_tick {
2797 return unless $TICK_WATCHER->is_active;
2798 return if $Coro::current == $Coro::main; 4054 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799 4055
2800 my $signal = new Coro::Signal; 4056 my $signal = new Coro::Signal;
2801 push @WAIT_FOR_TICK, $signal; 4057 push @WAIT_FOR_TICK, $signal;
2802 $signal->wait; 4058 $signal->wait;
2803} 4059}
2804 4060
2805sub wait_for_tick_begin { 4061sub wait_for_tick_begin {
2806 return unless $TICK_WATCHER->is_active;
2807 return if $Coro::current == $Coro::main; 4062 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808 4063
2809 my $signal = new Coro::Signal; 4064 my $signal = new Coro::Signal;
2810 push @WAIT_FOR_TICK_BEGIN, $signal; 4065 push @WAIT_FOR_TICK_BEGIN, $signal;
2811 $signal->wait; 4066 $signal->wait;
2812} 4067}
2813 4068
2814$TICK_WATCHER = Event->timer ( 4069sub tick {
2815 reentrant => 0,
2816 parked => 1,
2817 prio => 0,
2818 at => $NEXT_TICK || $TICK,
2819 data => WF_AUTOCANCEL,
2820 cb => sub {
2821 if ($Coro::current != $Coro::main) { 4070 if ($Coro::current != $Coro::main) {
2822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4071 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823 unless ++$bug_warning > 10; 4072 unless ++$bug_warning > 10;
2824 return; 4073 return;
2825 } 4074 }
2826 4075
2827 $NOW = Event::time;
2828
2829 cf::server_tick; # one server iteration 4076 cf::server_tick; # one server iteration
2830 4077
2831 $RUNTIME += $TICK; 4078 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832 $NEXT_TICK += $TICK;
2833 4079
2834 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4080 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835 $NEXT_RUNTIME_WRITE = $NOW + 10; 4081 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836 Coro::async_pool { 4082 Coro::async_pool {
4083 $Coro::current->{desc} = "runtime saver";
2837 write_runtime 4084 write_runtime_sync
2838 or warn "ERROR: unable to write runtime file: $!"; 4085 or error "ERROR: unable to write runtime file: $!";
2839 };
2840 } 4086 };
4087 }
2841 4088
2842# my $AFTER = Event::time;
2843# warn $AFTER - $NOW;#d#
2844
2845 # if we are delayed by four ticks or more, skip them all
2846 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848 $TICK_WATCHER->at ($NEXT_TICK);
2849 $TICK_WATCHER->start;
2850
2851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4089 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852 $sig->send; 4090 $sig->send;
2853 } 4091 }
2854 while (my $sig = shift @WAIT_FOR_TICK) { 4092 while (my $sig = shift @WAIT_FOR_TICK) {
2855 $sig->send; 4093 $sig->send;
2856 }
2857
2858 _post_tick;
2859 }, 4094 }
2860); 4095
4096 $LOAD = ($NOW - $TICK_START) / $TICK;
4097 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4098
4099 if (0) {
4100 if ($NEXT_TICK) {
4101 my $jitter = $TICK_START - $NEXT_TICK;
4102 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4103 debug "jitter $JITTER\n";#d#
4104 }
4105 }
4106}
2861 4107
2862{ 4108{
2863 BDB::max_poll_time $TICK * 0.1; 4109 # configure BDB
2864 $BDB_POLL_WATCHER = Event->io ( 4110
2865 reentrant => 0,
2866 fd => BDB::poll_fileno,
2867 poll => 'r',
2868 prio => 0,
2869 data => WF_AUTOCANCEL,
2870 cb => \&BDB::poll_cb,
2871 );
2872 BDB::min_parallel 8; 4111 BDB::min_parallel 16;
2873 4112 BDB::max_poll_reqs $TICK * 0.1;
2874 BDB::set_sync_prepare { 4113 $AnyEvent::BDB::WATCHER->priority (1);
2875 my $status;
2876 my $current = $Coro::current;
2877 (
2878 sub {
2879 $status = $!;
2880 $current->ready; undef $current;
2881 },
2882 sub {
2883 Coro::schedule while defined $current;
2884 $! = $status;
2885 },
2886 )
2887 };
2888 4114
2889 unless ($DB_ENV) { 4115 unless ($DB_ENV) {
2890 $DB_ENV = BDB::db_env_create; 4116 $DB_ENV = BDB::db_env_create;
4117 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4118 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4119 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4120 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4121 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891 4122
2892 cf::sync_job { 4123 cf::sync_job {
2893 eval { 4124 eval {
2894 BDB::db_env_open 4125 BDB::db_env_open
2895 $DB_ENV, 4126 $DB_ENV,
… …
2897 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4128 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4129 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899 0666; 4130 0666;
2900 4131
2901 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4132 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904 $DB_ENV->set_lk_detect;
2905 }; 4133 };
2906 4134
2907 cf::cleanup "db_env_open(db): $@" if $@; 4135 cf::cleanup "db_env_open(db): $@" if $@;
2908 }; 4136 };
2909 } 4137 }
4138
4139 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4140 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4141 };
4142 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4143 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4144 };
4145 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4146 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4147 };
2910} 4148}
2911 4149
2912{ 4150{
4151 # configure IO::AIO
4152
2913 IO::AIO::min_parallel 8; 4153 IO::AIO::min_parallel 8;
2914
2915 undef $Coro::AIO::WATCHER;
2916 IO::AIO::max_poll_time $TICK * 0.1; 4154 IO::AIO::max_poll_time $TICK * 0.1;
2917 $AIO_POLL_WATCHER = Event->io ( 4155 undef $AnyEvent::AIO::WATCHER;
2918 reentrant => 0, 4156}
2919 data => WF_AUTOCANCEL, 4157
2920 fd => IO::AIO::poll_fileno, 4158my $_log_backtrace;
2921 poll => 'r', 4159
2922 prio => 6, 4160sub _log_backtrace {
2923 cb => \&IO::AIO::poll_cb, 4161 my ($msg, @addr) = @_;
2924 ); 4162
4163 $msg =~ s/\n//;
4164
4165 # limit the # of concurrent backtraces
4166 if ($_log_backtrace < 2) {
4167 ++$_log_backtrace;
4168 my $perl_bt = Carp::longmess $msg;
4169 async {
4170 $Coro::current->{desc} = "abt $msg";
4171
4172 my @bt = fork_call {
4173 @addr = map { sprintf "%x", $_ } @addr;
4174 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4175 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4176 or die "addr2line: $!";
4177
4178 my @funcs;
4179 my @res = <$fh>;
4180 chomp for @res;
4181 while (@res) {
4182 my ($func, $line) = splice @res, 0, 2, ();
4183 push @funcs, "[$func] $line";
4184 }
4185
4186 @funcs
4187 };
4188
4189 LOG llevInfo, "[ABT] $perl_bt\n";
4190 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4191 LOG llevInfo, "[ABT] $_\n" for @bt;
4192 --$_log_backtrace;
4193 };
4194 } else {
4195 LOG llevInfo, "[ABT] $msg\n";
4196 LOG llevInfo, "[ABT] [suppressed]\n";
4197 }
2925} 4198}
2926 4199
2927# load additional modules 4200# load additional modules
2928use cf::pod; 4201require "cf/$_.pm" for @EXTRA_MODULES;
4202cf::_connect_to_perl_2;
2929 4203
2930END { cf::emergency_save } 4204END { cf::emergency_save }
2931 4205
29321 42061
2933 4207

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