ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
71 118
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 121our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
79 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript);
82 130
83our %CFG; 131our %CFG;
84 132
85our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 134our $RUNTIME;
135our $NOW;
87 136
88our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
91 140
92# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
153
95binmode STDOUT; 154binmode STDOUT;
96binmode STDERR; 155binmode STDERR;
97 156
98# read virtual server time, if available 157# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
103} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
104 165
105mkdir $_ 166mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107 168
108our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
109 170
110sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111 187
112############################################################################# 188#############################################################################
113 189
114=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
115 191
… …
139 215
140=item $cf::TICK 216=item $cf::TICK
141 217
142The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
143 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
144=item %cf::CFG 230=item %cf::CFG
145 231
146Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 233from wherever your confdir points to.
148 234
149=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
150 236
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 240
241=item @cf::INVOKE_RESULTS
242
243This array contains the results of the last C<invoke ()> call. When
244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
245that call.
246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
252
155=back 253=back
156 254
157=cut 255=cut
158 256
159BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
160 *CORE::GLOBAL::warn = sub { 258sub warn (@) { LOG llevWarn , join "", @_ }
259sub info (@) { LOG llevInfo , join "", @_ }
260sub debug(@) { LOG llevDebug, join "", @_ }
261sub trace(@) { LOG llevTrace, join "", @_ }
262
263$Coro::State::WARNHOOK = sub {
161 my $msg = join "", @_; 264 my $msg = join "", @_;
162 265
163 $msg .= "\n" 266 $msg .= "\n"
164 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
165 268
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 269 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 270
168 utf8::encode $msg;
169 LOG llevError, $msg; 271 LOG llevWarn, $msg;
170 }; 272};
171} 273
274$Coro::State::DIEHOOK = sub {
275 return unless $^S eq 0; # "eq", not "=="
276
277 error Carp::longmess $_[0];
278
279 if (in_main) {#d#
280 error "DIEHOOK called in main context, Coro bug?\n";#d#
281 return;#d#
282 }#d#
283
284 # kill coroutine otherwise
285 Coro::terminate
286};
172 287
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 292@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
293@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 294@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 295
180# we bless all objects into (empty) derived classes to force a method lookup 296# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 297# within the Safe compartment.
182for my $pkg (qw( 298for my $pkg (qw(
183 cf::global cf::attachable 299 cf::global cf::attachable
184 cf::object cf::object::player 300 cf::object cf::object::player
185 cf::client cf::player 301 cf::client cf::player
186 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
187 cf::map cf::party cf::region 304 cf::party cf::region
188)) { 305)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 307}
192 308
193$Event::DIED = sub { 309$EV::DIED = sub {
194 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
195}; 311};
312
313#############################################################################
196 314
197=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
198 316
199=over 4 317=over 4
200 318
… …
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 337 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 338 $d
221 } || "[unable to dump $_[0]: '$@']"; 339 } || "[unable to dump $_[0]: '$@']";
222} 340}
223 341
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
227 343
228Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
229 345
230=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
231 347
232Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
233 349
350=cut
351
352our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
353
354sub encode_json($) { $json_coder->encode ($_[0]) }
355sub decode_json($) { $json_coder->decode ($_[0]) }
356
357=item cf::post_init { BLOCK }
358
359Execute the given codeblock, I<after> all extensions have been (re-)loaded,
360but I<before> the server starts ticking again.
361
362The cdoeblock will have a single boolean argument to indicate whether this
363is a reload or not.
364
365=cut
366
367sub post_init(&) {
368 push @POST_INIT, shift;
369}
370
234=item cf::lock_wait $string 371=item cf::lock_wait $string
235 372
236Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
237 374
238=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
239 376
240Wait until the given lock is available and then acquires it and returns 377Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 378a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
243returned. 380returned.
244 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
245Lock names should begin with a unique identifier (for example, cf::map::find 385Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
247 387
248=item $locked = cf::lock_active $string 388=item $locked = cf::lock_active $string
249 389
250Return true if the lock is currently active, i.e. somebody has locked it. 390Return true if the lock is currently active, i.e. somebody has locked it.
251 391
252=cut 392=cut
253 393
254our %LOCK; 394our $LOCKS = new Coro::SemaphoreSet;
255 395
256sub lock_wait($) { 396sub lock_wait($) {
257 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
258
259 # wait for lock, if any
260 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule;
263 }
264} 398}
265 399
266sub lock_acquire($) { 400sub lock_acquire($) {
267 my ($key) = @_; 401 $LOCKS->guard ($_[0])
268
269 # wait, to be sure we are not locked
270 lock_wait $key;
271
272 $LOCK{$key} = [];
273
274 Coro::guard {
275 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} };
277 }
278} 402}
279 403
280sub lock_active($) { 404sub lock_active($) {
281 my ($key) = @_; 405 $LOCKS->count ($_[0]) < 1
282
283 ! ! $LOCK{$key}
284} 406}
285 407
286sub freeze_mainloop { 408sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
288 410
289 my $guard = Coro::guard { 411 &Guard::guard (\&tick_inhibit_dec);
290 $TICK_WATCHER->start; 412}
413
414=item cf::periodic $interval, $cb
415
416Like EV::periodic, but randomly selects a starting point so that the actions
417get spread over time.
418
419=cut
420
421sub periodic($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
427}
428
429=item cf::get_slot $time[, $priority[, $name]]
430
431Allocate $time seconds of blocking CPU time at priority C<$priority>:
432This call blocks and returns only when you have at least C<$time> seconds
433of cpu time till the next tick. The slot is only valid till the next cede.
434
435The optional C<$name> can be used to identify the job to run. It might be
436used for statistical purposes and should identify the same time-class.
437
438Useful for short background jobs.
439
440=cut
441
442our @SLOT_QUEUE;
443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
445
446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
450 my $signal = new Coro::Signal;
451 my $busy;
452
453 while () {
454 next_job:
455
456 my $avail = cf::till_tick;
457
458 for (0 .. $#SLOT_QUEUE) {
459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
461 my $job = splice @SLOT_QUEUE, $_, 1, ();
462 $job->[2]->send;
463 Coro::cede;
464 goto next_job;
465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
467 }
468 }
469
470 if (@SLOT_QUEUE) {
471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
472 push @cf::WAIT_FOR_TICK, $signal;
473 $signal->wait;
474 } else {
475 $busy = 0;
476 Coro::schedule;
477 }
291 }; 478 }
292 $TICK_WATCHER->stop; 479};
293 $guard 480
481sub get_slot($;$$) {
482 return if tick_inhibit || $Coro::current == $Coro::main;
483
484 my ($time, $pri, $name) = @_;
485
486 $time = clamp $time, 0.01, $TICK * .6;
487
488 my $sig = new Coro::Signal;
489
490 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
491 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
492 $SLOT_QUEUE->ready;
493 $sig->wait;
294} 494}
295 495
296=item cf::async { BLOCK } 496=item cf::async { BLOCK }
297 497
298Currently the same as Coro::async_pool, meaning you cannot use 498Currently the same as Coro::async_pool, meaning you cannot use
… …
303 503
304BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
305 505
306=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
307 507
308The design of crossfire+ requires that the main coro ($Coro::main) is 508The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 509is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
511acceptable.
311 512
312If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 515server will be frozen during this time, so the block should either finish
315fast or be very important. 516fast or be very important.
… …
317=cut 518=cut
318 519
319sub sync_job(&) { 520sub sync_job(&) {
320 my ($job) = @_; 521 my ($job) = @_;
321 522
322 if ($Coro::current == $Coro::main) { 523 if (in_main) {
524 my $time = AE::time;
525
323 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
325 528
326 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 530
328 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
329 532
330 my $busy = 1; 533 my $busy = 1;
331 my @res; 534 my @res;
332 535
333 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 538 @res = eval { $job->() };
335 warn $@ if $@; 539 error $@ if $@;
336 undef $busy; 540 undef $busy;
337 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
338 542
339 while ($busy) { 543 while ($busy) {
340 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
341 } 548 }
549 }
550
551 my $time = AE::time - $time;
552
553 $TICK_START += $time; # do not account sync jobs to server load
342 554
343 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
344 } else { 556 } else {
345 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
346 558
… …
366 $EXT_CORO{$coro+0} = $coro; 578 $EXT_CORO{$coro+0} = $coro;
367 579
368 $coro 580 $coro
369} 581}
370 582
371sub write_runtime { 583=item fork_call { }, $args
372 my $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 undef $@; # work around perl 5.10.0 utf-8 caching bug
1457
1458 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1459 if exists $v->{meta}{mandatory};
1460
1461 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1462 delete $todo{$k};
1463 } else {
1464 $done{$k} = delete $todo{$k};
1465 push @EXTS, $v->{pkg};
1466 $progress = 1;
1467
1468 info "$v->{base}: extension inactive.\n"
1469 unless $active;
1470 }
951 1 1471 }
952 } or warn "$ext not loaded: $@"; 1472
1473 unless ($progress) {
1474 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1475
1476 while (my ($k, $v) = each %todo) {
1477 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1478 if exists $v->{meta}{mandatory};
1479 }
1480 }
1481 }
953 } 1482 };
954} 1483}
955 1484
956############################################################################# 1485#############################################################################
957 1486
1487=back
1488
958=head2 CORE EXTENSIONS 1489=head2 CORE EXTENSIONS
959 1490
960Functions and methods that extend core crossfire objects. 1491Functions and methods that extend core deliantra objects.
961 1492
962=cut 1493=cut
963 1494
964package cf::player; 1495package cf::player;
965 1496
966use Coro::AIO; 1497use Coro::AIO;
967 1498
968=head3 cf::player 1499=head3 cf::player
969 1500
970=over 4 1501=over 4
1502
1503=item cf::player::num_playing
1504
1505Returns the official number of playing players, as per the Crossfire metaserver rules.
1506
1507=cut
1508
1509sub num_playing {
1510 scalar grep
1511 $_->ob->map
1512 && !$_->hidden
1513 && !$_->ob->flag (cf::FLAG_WIZ),
1514 cf::player::list
1515}
971 1516
972=item cf::player::find $login 1517=item cf::player::find $login
973 1518
974Returns the given player object, loading it if necessary (might block). 1519Returns the given player object, loading it if necessary (might block).
975 1520
… …
994 1539
995sub exists($) { 1540sub exists($) {
996 my ($login) = @_; 1541 my ($login) = @_;
997 1542
998 $cf::PLAYER{$login} 1543 $cf::PLAYER{$login}
999 or cf::sync_job { !aio_stat path $login } 1544 or !aio_stat path $login
1000} 1545}
1001 1546
1002sub find($) { 1547sub find($) {
1003 return $cf::PLAYER{$_[0]} || do { 1548 return $cf::PLAYER{$_[0]} || do {
1004 my $login = $_[0]; 1549 my $login = $_[0];
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1556 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1557 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1558 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1559 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1560
1016 my $pl = load_pl path $login 1561 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1562 or return;
1563
1564 my $pl = cf::player::load_pl $f
1565 or return;
1566
1567 local $cf::PLAYER_LOADING{$login} = $pl;
1568 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1569 $cf::PLAYER{$login} = $pl
1019 } 1570 }
1020 } 1571 }
1021} 1572}
1573
1574cf::player->attach (
1575 on_load => sub {
1576 my ($pl, $path) = @_;
1577
1578 # restore slots saved in save, below
1579 my $slots = delete $pl->{_slots};
1580
1581 $pl->ob->current_weapon ($slots->[0]);
1582 $pl->combat_ob ($slots->[1]);
1583 $pl->ranged_ob ($slots->[2]);
1584 },
1585);
1022 1586
1023sub save($) { 1587sub save($) {
1024 my ($pl) = @_; 1588 my ($pl) = @_;
1025 1589
1026 return if $pl->{deny_save}; 1590 return if $pl->{deny_save};
… …
1031 return if $pl->{deny_save}; 1595 return if $pl->{deny_save};
1032 1596
1033 aio_mkdir playerdir $pl, 0770; 1597 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1598 $pl->{last_save} = $cf::RUNTIME;
1035 1599
1600 cf::get_slot 0.01;
1601
1602 # save slots, to be restored later
1603 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1604
1036 $pl->save_pl ($path); 1605 $pl->save_pl ($path);
1037 Coro::cede; 1606 cf::cede_to_tick;
1038} 1607}
1039 1608
1040sub new($) { 1609sub new($) {
1041 my ($login) = @_; 1610 my ($login) = @_;
1042 1611
… …
1048 $cf::PLAYER{$login} = $self; 1617 $cf::PLAYER{$login} = $self;
1049 1618
1050 $self 1619 $self
1051} 1620}
1052 1621
1622=item $player->send_msg ($channel, $msg, $color, [extra...])
1623
1624=cut
1625
1626sub send_msg {
1627 my $ns = shift->ns
1628 or return;
1629 $ns->send_msg (@_);
1630}
1631
1053=item $pl->quit_character 1632=item $pl->quit_character
1054 1633
1055Nukes the player without looking back. If logged in, the connection will 1634Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1635be destroyed. May block for a long time.
1057 1636
… …
1061 my ($pl) = @_; 1640 my ($pl) = @_;
1062 1641
1063 my $name = $pl->ob->name; 1642 my $name = $pl->ob->name;
1064 1643
1065 $pl->{deny_save} = 1; 1644 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1645 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1067 1646
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1647 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1648 $pl->deactivate;
1649 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1650 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1651 $pl->ns->destroy if $pl->ns;
1072 1652
1073 my $path = playerdir $pl; 1653 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1654 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1110 or return []; 1690 or return [];
1111 1691
1112 my @logins; 1692 my @logins;
1113 1693
1114 for my $login (@$dirs) { 1694 for my $login (@$dirs) {
1695 my $path = path $login;
1696
1697 # a .pst is a dead give-away for a valid player
1698 # if no pst file found, open and chekc for blocked users
1699 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1700 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1701 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1702 $buf !~ /^password -------------$/m or next; # official not-valid tag
1703 }
1118 1704
1119 utf8::decode $login; 1705 utf8::decode $login;
1120 push @logins, $login; 1706 push @logins, $login;
1121 } 1707 }
1122 1708
1123 \@logins 1709 \@logins
1124} 1710}
1125 1711
1126=item $player->maps 1712=item $player->maps
1713
1714=item cf::player::maps $login
1127 1715
1128Returns an arrayref of map paths that are private for this 1716Returns an arrayref of map paths that are private for this
1129player. May block. 1717player. May block.
1130 1718
1131=cut 1719=cut
… …
1149 } 1737 }
1150 1738
1151 \@paths 1739 \@paths
1152} 1740}
1153 1741
1742=item $protocol_xml = $player->expand_cfpod ($cfpod)
1743
1744Expand deliantra pod fragments into protocol xml.
1745
1154=item $player->ext_reply ($msgid, %msg) 1746=item $player->ext_reply ($msgid, @msg)
1155 1747
1156Sends an ext reply to the player. 1748Sends an ext reply to the player.
1157 1749
1158=cut 1750=cut
1159 1751
1160sub ext_reply($$%) { 1752sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1753 my ($self, $id, @msg) = @_;
1162 1754
1163 $msg{msgid} = $id; 1755 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1756}
1167 1757
1168=item $player->ext_event ($type, %msg) 1758=item $player->ext_msg ($type, @msg)
1169 1759
1170Sends an ext event to the client. 1760Sends an ext event to the client.
1171 1761
1172=cut 1762=cut
1173 1763
1174sub ext_event($$%) { 1764sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1765 my ($self, $type, @msg) = @_;
1176 1766
1177 $self->ns->ext_event ($type, %msg); 1767 $self->ns->ext_msg ($type, @msg);
1178} 1768}
1179 1769
1180=head3 cf::region 1770=head3 cf::region
1181 1771
1182=over 4 1772=over 4
… …
1185 1775
1186package cf::region; 1776package cf::region;
1187 1777
1188=item cf::region::find_by_path $path 1778=item cf::region::find_by_path $path
1189 1779
1190Tries to decuce the probable region for a map knowing only its path. 1780Tries to decuce the likely region for a map knowing only its path.
1191 1781
1192=cut 1782=cut
1193 1783
1194sub find_by_path($) { 1784sub find_by_path($) {
1195 my ($path) = @_; 1785 my ($path) = @_;
1196 1786
1787 $path =~ s/^~[^\/]*//; # skip ~login
1788
1197 my ($match, $specificity); 1789 my ($match, $specificity);
1198 1790
1199 for my $region (list) { 1791 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1792 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1793 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1794 if $region->specificity > $specificity;
1203 } 1795 }
1204 } 1796 }
1205 1797
… …
1226our $MAX_RESET = 3600; 1818our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1819our $DEFAULT_RESET = 3000;
1228 1820
1229sub generate_random_map { 1821sub generate_random_map {
1230 my ($self, $rmp) = @_; 1822 my ($self, $rmp) = @_;
1823
1824 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1825
1231 # mit "rum" bekleckern, nicht 1826 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1827 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1828 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1829 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1830 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236 $rmp->{exit_on_final_map}, 1831 $rmp->{exit_on_final_map},
1237 $rmp->{xsize}, $rmp->{ysize}, 1832 $rmp->{xsize}, $rmp->{ysize},
1238 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1833 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1834 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1254 1849
1255sub register { 1850sub register {
1256 my (undef, $regex, $prio) = @_; 1851 my (undef, $regex, $prio) = @_;
1257 my $pkg = caller; 1852 my $pkg = caller;
1258 1853
1259 no strict;
1260 push @{"$pkg\::ISA"}, __PACKAGE__; 1854 push @{"$pkg\::ISA"}, __PACKAGE__;
1261 1855
1262 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1856 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263} 1857}
1264 1858
1265# also paths starting with '/' 1859# also paths starting with '/'
1266$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1860$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267 1861
1268sub thawer_merge { 1862sub thawer_merge {
1269 my ($self, $merge) = @_; 1863 my ($self, $merge) = @_;
1270 1864
1271 # we have to keep some variables in memory intact 1865 # we have to keep some variables in memory intact
1272 local $self->{path}; 1866 local $self->{path};
1273 local $self->{load_path}; 1867 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1868
1277 $self->SUPER::thawer_merge ($merge); 1869 $self->SUPER::thawer_merge ($merge);
1278} 1870}
1279 1871
1280sub normalise { 1872sub normalise {
… …
1327 $self->init; # pass $1 etc. 1919 $self->init; # pass $1 etc.
1328 return $self; 1920 return $self;
1329 } 1921 }
1330 } 1922 }
1331 1923
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1924 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1925 ()
1334} 1926}
1335 1927
1336sub init { 1928sub init {
1337 my ($self) = @_; 1929 my ($self) = @_;
… …
1359 1951
1360# the temporary/swap location 1952# the temporary/swap location
1361sub save_path { 1953sub save_path {
1362 my ($self) = @_; 1954 my ($self) = @_;
1363 1955
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1957 "$TMPDIR/$path.map"
1366} 1958}
1367 1959
1368# the unique path, undef == no special unique path 1960# the unique path, undef == no special unique path
1369sub uniq_path { 1961sub uniq_path {
1370 my ($self) = @_; 1962 my ($self) = @_;
1371 1963
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1964 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1965 "$UNIQUEDIR/$path"
1374} 1966}
1375 1967
1376# and all this just because we cannot iterate over 1968sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 1969 my ($self) = @_;
1380 1970
1381 $_->change_map_light ($change) 1971 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 1972
1973 $self->do_decay_objects;
1383} 1974}
1384 1975
1385sub unlink_save { 1976sub unlink_save {
1386 my ($self) = @_; 1977 my ($self) = @_;
1387 1978
… …
1392 1983
1393sub load_header_from($) { 1984sub load_header_from($) {
1394 my ($self, $path) = @_; 1985 my ($self, $path) = @_;
1395 1986
1396 utf8::encode $path; 1987 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1988 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1989 or return;
1990
1991 $self->_load_header ($f)
1992 or return;
1993
1994 local $MAP_LOADING{$self->{path}} = $self;
1995 $f->resolve_delayed_derefs;
1402 1996
1403 $self->{load_path} = $path; 1997 $self->{load_path} = $path;
1404 1998
1405 1 1999 1
1406} 2000}
… …
1445 $self->load_header_orig 2039 $self->load_header_orig
1446 or return; 2040 or return;
1447 $self->prepare_orig; 2041 $self->prepare_orig;
1448 } 2042 }
1449 2043
2044 $self->{deny_reset} = 1
2045 if $self->no_reset;
2046
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2047 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2048 unless $self->default_region;
1452 2049
1453 1 2050 1
1454} 2051}
… …
1457sub find { 2054sub find {
1458 my ($path, $origin) = @_; 2055 my ($path, $origin) = @_;
1459 2056
1460 $path = normalise $path, $origin && $origin->path; 2057 $path = normalise $path, $origin && $origin->path;
1461 2058
2059 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2060 my $guard2 = cf::lock_acquire "map_find:$path";
1463 2061
1464 $cf::MAP{$path} || do { 2062 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 2063 my $map = new_from_path cf::map $path
1467 or return; 2064 or return;
1468 2065
1469 $map->{last_save} = $cf::RUNTIME; 2066 $map->{last_save} = $cf::RUNTIME;
1470 2067
1471 $map->load_header 2068 $map->load_header
1472 or return; 2069 or return;
1473 2070
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2071 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2072 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2073 #$cf::WAIT_FOR_TICK->wait;
2074 undef $guard2;
2075 undef $guard1;
1477 $map->reset; 2076 $map->reset;
1478 undef $guard;
1479 return find $path; 2077 return find $path;
1480 } 2078 }
1481 2079
1482 $cf::MAP{$path} = $map 2080 $cf::MAP{$path} = $map
1483 } 2081 }
1484} 2082}
1485 2083
1486sub pre_load { } 2084sub pre_load { }
1487sub post_load { } 2085#sub post_load { } # XS
1488 2086
1489sub load { 2087sub load {
1490 my ($self) = @_; 2088 my ($self) = @_;
1491 2089
1492 local $self->{deny_reset} = 1; # loading can take a long time 2090 local $self->{deny_reset} = 1; # loading can take a long time
1493 2091
1494 my $path = $self->{path}; 2092 my $path = $self->{path};
1495 2093
1496 { 2094 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2095 my $guard = cf::lock_acquire "map_data:$path";
1498 2096
2097 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2098 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2099
1501 $self->in_memory (cf::MAP_LOADING); 2100 $self->in_memory (cf::MAP_LOADING);
1502 2101
1503 $self->alloc; 2102 $self->alloc;
1504 2103
1505 $self->pre_load; 2104 $self->pre_load;
1506 Coro::cede; 2105 cf::cede_to_tick;
1507 2106
2107 my $f = new_from_file cf::object::thawer $self->{load_path};
2108 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2109 $self->_load_objects ($f)
1509 or return; 2110 or return;
1510 2111
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2112 $self->post_load_original
1512 if delete $self->{load_original}; 2113 if delete $self->{load_original};
1513 2114
1514 if (my $uniq = $self->uniq_path) { 2115 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2116 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2117 unless (aio_stat $uniq) {
2118 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2119 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2120 $self->_load_objects ($f);
2121 $f->resolve_delayed_derefs;
2122 }
1519 } 2123 }
1520 } 2124 }
1521 2125
1522 Coro::cede; 2126 $f->resolve_delayed_derefs;
2127
2128 cf::cede_to_tick;
1523 # now do the right thing for maps 2129 # now do the right thing for maps
1524 $self->link_multipart_objects; 2130 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2131 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2132 unless $self->difficulty;
1527 Coro::cede; 2133 cf::cede_to_tick;
1528 2134
1529 unless ($self->{deny_activate}) { 2135 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2136 $self->decay_objects;
1531 $self->fix_auto_apply; 2137 $self->fix_auto_apply;
1532 $self->update_buttons; 2138 $self->update_buttons;
1533 Coro::cede; 2139 cf::cede_to_tick;
1534 $self->set_darkness_map;
1535 Coro::cede;
1536 $self->activate; 2140 $self->activate;
1537 } 2141 }
1538 2142
2143 $self->{last_save} = $cf::RUNTIME;
2144 $self->last_access ($cf::RUNTIME);
2145
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2146 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2147 }
1541 2148
1542 $self->post_load; 2149 $self->post_load;
1543} 2150}
1544 2151
2152# customize the map for a given player, i.e.
2153# return the _real_ map. used by e.g. per-player
2154# maps to change the path to ~playername/mappath
1545sub customise_for { 2155sub customise_for {
1546 my ($self, $ob) = @_; 2156 my ($self, $ob) = @_;
1547 2157
1548 return find "~" . $ob->name . "/" . $self->{path} 2158 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2159 if $self->per_player;
1550 2160
2161# return find "?party/" . $ob->name . "/" . $self->{path}
2162# if $self->per_party;
2163
1551 $self 2164 $self
1552} 2165}
1553 2166
1554# find and load all maps in the 3x3 area around a map 2167# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2168sub load_neighbours {
1556 my ($map) = @_; 2169 my ($map) = @_;
1557 2170
1558 my @diag; # diagonal neighbours 2171 my @neigh; # diagonal neighbours
1559 2172
1560 for (0 .. 3) { 2173 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2174 my $neigh = $map->tile_path ($_)
1562 or next; 2175 or next;
1563 $neigh = find $neigh, $map 2176 $neigh = find $neigh, $map
1564 or next; 2177 or next;
1565 $neigh->load; 2178 $neigh->load;
1566 2179
2180 # now find the diagonal neighbours
2181 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2182 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2183 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2184 }
1570 2185
1571 for (@diag) { 2186 for (grep defined $_->[0], @neigh) {
2187 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2188 my $neigh = find $path, $origin
1573 or next; 2189 or next;
1574 $neigh->load; 2190 $neigh->load;
1575 } 2191 }
1576} 2192}
1577 2193
1578sub find_sync { 2194sub find_sync {
1579 my ($path, $origin) = @_; 2195 my ($path, $origin) = @_;
1580 2196
1581 cf::sync_job { find $path, $origin } 2197 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2198 if $Coro::current == $Coro::main;
2199
2200 find $path, $origin
1582} 2201}
1583 2202
1584sub do_load_sync { 2203sub do_load_sync {
1585 my ($map) = @_; 2204 my ($map) = @_;
1586 2205
1587 cf::sync_job { $map->load }; 2206 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2207 if $Coro::current == $Coro::main;
2208
2209 $map->load;
1588} 2210}
1589 2211
1590our %MAP_PREFETCH; 2212our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2213our $MAP_PREFETCHER = undef;
1592 2214
1593sub find_async { 2215sub find_async {
1594 my ($path, $origin) = @_; 2216 my ($path, $origin, $load) = @_;
1595 2217
1596 $path = normalise $path, $origin && $origin->{path}; 2218 $path = normalise $path, $origin && $origin->{path};
1597 2219
1598 if (my $map = $cf::MAP{$path}) { 2220 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2221 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2222 }
1601 2223
1602 undef $MAP_PREFETCH{$path}; 2224 $MAP_PREFETCH{$path} |= $load;
2225
1603 $MAP_PREFETCHER ||= cf::async { 2226 $MAP_PREFETCHER ||= cf::async {
2227 $Coro::current->{desc} = "map prefetcher";
2228
1604 while (%MAP_PREFETCH) { 2229 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2230 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2231 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2232 $map->load if $v;
2233 }
1609 2234
1610 delete $MAP_PREFETCH{$path}; 2235 delete $MAP_PREFETCH{$k};
1611 } 2236 }
1612 } 2237 }
1613 undef $MAP_PREFETCHER; 2238 undef $MAP_PREFETCHER;
1614 }; 2239 };
1615 $MAP_PREFETCHER->prio (6); 2240 $MAP_PREFETCHER->prio (6);
1616 2241
1617 () 2242 ()
1618} 2243}
1619 2244
2245# common code, used by both ->save and ->swapout
1620sub save { 2246sub _save {
1621 my ($self) = @_; 2247 my ($self) = @_;
1622
1623 my $lock = cf::lock_acquire "map_data:" . $self->path;
1624 2248
1625 $self->{last_save} = $cf::RUNTIME; 2249 $self->{last_save} = $cf::RUNTIME;
1626 2250
1627 return unless $self->dirty; 2251 return unless $self->dirty;
1628 2252
… …
1634 return if $self->{deny_save}; 2258 return if $self->{deny_save};
1635 2259
1636 local $self->{last_access} = $self->last_access;#d# 2260 local $self->{last_access} = $self->last_access;#d#
1637 2261
1638 cf::async { 2262 cf::async {
2263 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2264 $_->contr->save for $self->players;
1640 }; 2265 };
2266
2267 cf::get_slot 0.02;
1641 2268
1642 if ($uniq) { 2269 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2270 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2271 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2272 } else {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2273 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647 } 2274 }
1648} 2275}
1649 2276
2277sub save {
2278 my ($self) = @_;
2279
2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
2281
2282 $self->_save;
2283}
2284
1650sub swap_out { 2285sub swap_out {
1651 my ($self) = @_; 2286 my ($self) = @_;
1652 2287
1653 # save first because save cedes
1654 $self->save;
1655
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2288 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2289
2290 return if $self->in_memory != cf::MAP_ACTIVE;
2291 return if $self->{deny_save};
1658 return if $self->players; 2292 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY;
1660 return if $self->{deny_save};
1661 2293
2294 # first deactivate the map and "unlink" it from the core
2295 $self->deactivate;
2296 $_->clear_links_to ($self) for values %cf::MAP;
2297 $self->in_memory (cf::MAP_SWAPPED);
2298
2299 # then atomically save
2300 $self->_save;
2301
2302 # then free the map
1662 $self->clear; 2303 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2304}
1665 2305
1666sub reset_at { 2306sub reset_at {
1667 my ($self) = @_; 2307 my ($self) = @_;
1668 2308
1669 # TODO: safety, remove and allow resettable per-player maps 2309 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2310 return 1e99 if $self->{deny_reset};
1672 2311
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2312 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2313 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2314
… …
1686 my ($self) = @_; 2325 my ($self) = @_;
1687 2326
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2328
1690 return if $self->players; 2329 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2330
1693 warn "resetting map ", $self->path;#d# 2331 cf::trace "resetting map ", $self->path, "\n";
1694 2332
1695 $self->in_memory (cf::MAP_SWAPPED); 2333 $self->in_memory (cf::MAP_SWAPPED);
1696 2334
1697 # need to save uniques path 2335 # need to save uniques path
1698 unless ($self->{deny_save}) { 2336 unless ($self->{deny_save}) {
… …
1702 if $uniq; 2340 if $uniq;
1703 } 2341 }
1704 2342
1705 delete $cf::MAP{$self->path}; 2343 delete $cf::MAP{$self->path};
1706 2344
2345 $self->deactivate;
2346 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2347 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2348
1711 $self->unlink_save; 2349 $self->unlink_save;
1712 $self->destroy; 2350 $self->destroy;
1713} 2351}
1714 2352
1715my $nuke_counter = "aaaa"; 2353my $nuke_counter = "aaaa";
1716 2354
1717sub nuke { 2355sub nuke {
1718 my ($self) = @_; 2356 my ($self) = @_;
1719 2357
2358 {
2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
2360
1720 delete $cf::MAP{$self->path}; 2361 delete $cf::MAP{$self->path};
1721 2362
1722 $self->unlink_save; 2363 $self->unlink_save;
1723 2364
1724 bless $self, "cf::map"; 2365 bless $self, "cf::map::wrap";
1725 delete $self->{deny_reset}; 2366 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2367 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2368 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2369 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2370
1730 $cf::MAP{$self->path} = $self; 2371 $cf::MAP{$self->path} = $self;
2372 }
1731 2373
1732 $self->reset; # polite request, might not happen 2374 $self->reset; # polite request, might not happen
2375}
2376
2377=item $maps = cf::map::tmp_maps
2378
2379Returns an arrayref with all map paths of currently instantiated and saved
2380maps. May block.
2381
2382=cut
2383
2384sub tmp_maps() {
2385 [
2386 map {
2387 utf8::decode $_;
2388 /\.map$/
2389 ? normalise $_
2390 : ()
2391 } @{ aio_readdir $TMPDIR or [] }
2392 ]
2393}
2394
2395=item $maps = cf::map::random_maps
2396
2397Returns an arrayref with all map paths of currently instantiated and saved
2398random maps. May block.
2399
2400=cut
2401
2402sub random_maps() {
2403 [
2404 map {
2405 utf8::decode $_;
2406 /\.map$/
2407 ? normalise "?random/$_"
2408 : ()
2409 } @{ aio_readdir $RANDOMDIR or [] }
2410 ]
1733} 2411}
1734 2412
1735=item cf::map::unique_maps 2413=item cf::map::unique_maps
1736 2414
1737Returns an arrayref of paths of all shared maps that have 2415Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2416instantiated unique items. May block.
1739 2417
1740=cut 2418=cut
1741 2419
1742sub unique_maps() { 2420sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2421 [
1744 or return; 2422 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2423 utf8::decode $_;
1750 next if /\.pst$/; 2424 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2425 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2426 ? ()
1753 push @paths, cf::map::normalise $_; 2427 : normalise $_
2428 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2429 ]
1755
1756 \@paths
1757} 2430}
1758 2431
1759package cf; 2432=item cf::map::static_maps
2433
2434Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2435file in the shared directory excluding F</styles> and F</editor>). May
2436block.
2437
2438=cut
2439
2440sub static_maps() {
2441 my @dirs = "";
2442 my @maps;
2443
2444 while (@dirs) {
2445 my $dir = shift @dirs;
2446
2447 next if $dir eq "/styles" || $dir eq "/editor";
2448
2449 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2450 or return;
2451
2452 for (@$files) {
2453 s/\.map$// or next;
2454 utf8::decode $_;
2455 push @maps, "$dir/$_";
2456 }
2457
2458 push @dirs, map "$dir/$_", @$dirs;
2459 }
2460
2461 \@maps
2462}
1760 2463
1761=back 2464=back
1762 2465
1763=head3 cf::object 2466=head3 cf::object
1764 2467
… …
1768 2471
1769=over 4 2472=over 4
1770 2473
1771=item $ob->inv_recursive 2474=item $ob->inv_recursive
1772 2475
1773Returns the inventory of the object _and_ their inventories, recursively. 2476Returns the inventory of the object I<and> their inventories, recursively,
2477but I<not> the object itself.
1774 2478
1775=cut 2479=cut
1776 2480
1777sub inv_recursive_; 2481sub inv_recursive_;
1778sub inv_recursive_ { 2482sub inv_recursive_ {
… …
1781 2485
1782sub inv_recursive { 2486sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2487 inv_recursive_ inv $_[0]
1784} 2488}
1785 2489
2490=item $ref = $ob->ref
2491
2492Creates and returns a persistent reference to an object that can be stored as a string.
2493
2494=item $ob = cf::object::deref ($refstring)
2495
2496returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2497even if the object actually exists. May block.
2498
2499=cut
2500
2501sub deref {
2502 my ($ref) = @_;
2503
2504 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2505 my ($uuid, $name) = ($1, $2);
2506 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2507 or return;
2508 $pl->ob->uuid eq $uuid
2509 or return;
2510
2511 $pl->ob
2512 } else {
2513 warn "$ref: cannot resolve object reference\n";
2514 undef
2515 }
2516}
2517
1786package cf; 2518package cf;
1787 2519
1788=back 2520=back
1789 2521
1790=head3 cf::object::player 2522=head3 cf::object::player
… …
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2528Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2529can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2530dialogue with the given NPC character.
1799 2531
1800=cut 2532=cut
2533
2534our $SAY_CHANNEL = {
2535 id => "say",
2536 title => "Map",
2537 reply => "say ",
2538 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2539};
2540
2541our $CHAT_CHANNEL = {
2542 id => "chat",
2543 title => "Chat",
2544 reply => "chat ",
2545 tooltip => "Player chat and shouts, global to the server.",
2546};
1801 2547
1802# rough implementation of a future "reply" method that works 2548# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2549# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2550#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2551sub cf::object::player::reply($$$;$) {
… …
1807 2553
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2554 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2555
1810 if ($self->{record_replies}) { 2556 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2557 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2558
1812 } else { 2559 } else {
2560 my $pl = $self->contr;
2561
2562 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2563 my $dialog = $pl->{npc_dialog};
2564 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2565
2566 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2567 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2568 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2569 }
1815 } 2570 }
2571}
2572
2573=item $object->send_msg ($channel, $msg, $color, [extra...])
2574
2575=cut
2576
2577sub cf::object::send_msg {
2578 my $pl = shift->contr
2579 or return;
2580 $pl->send_msg (@_);
1816} 2581}
1817 2582
1818=item $player_object->may ("access") 2583=item $player_object->may ("access")
1819 2584
1820Returns wether the given player is authorized to access resource "access" 2585Returns wether the given player is authorized to access resource "access"
… …
1833 2598
1834=item $player_object->enter_link 2599=item $player_object->enter_link
1835 2600
1836Freezes the player and moves him/her to a special map (C<{link}>). 2601Freezes the player and moves him/her to a special map (C<{link}>).
1837 2602
1838The player should be reasonably safe there for short amounts of time. You 2603The player should be reasonably safe there for short amounts of time (e.g.
1839I<MUST> call C<leave_link> as soon as possible, though. 2604for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2605though, as the player cannot control the character while it is on the link
2606map.
1840 2607
1841Will never block. 2608Will never block.
1842 2609
1843=item $player_object->leave_link ($map, $x, $y) 2610=item $player_object->leave_link ($map, $x, $y)
1844 2611
… …
1862} 2629}
1863 2630
1864sub cf::object::player::enter_link { 2631sub cf::object::player::enter_link {
1865 my ($self) = @_; 2632 my ($self) = @_;
1866 2633
2634 $self->deactivate_recursive;
2635
2636 ++$self->{_link_recursion};
2637
1867 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2638 return if UNIVERSAL::isa $self->map, "ext::map_link";
1868 2639
1869 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2640 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870 if $self->map; 2641 if $self->map && $self->map->{path} ne "{link}";
1871 2642
1872 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2643 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1873} 2644}
1874 2645
1875sub cf::object::player::leave_link { 2646sub cf::object::player::leave_link {
1876 my ($self, $map, $x, $y) = @_; 2647 my ($self, $map, $x, $y) = @_;
2648
2649 return unless $self->contr->active;
1877 2650
1878 my $link_pos = delete $self->{_link_pos}; 2651 my $link_pos = delete $self->{_link_pos};
1879 2652
1880 unless ($map) { 2653 unless ($map) {
1881 # restore original map position 2654 # restore original map position
… …
1892 ($x, $y) = (-1, -1) 2665 ($x, $y) = (-1, -1)
1893 unless (defined $x) && (defined $y); 2666 unless (defined $x) && (defined $y);
1894 2667
1895 # use -1 or undef as default coordinates, not 0, 0 2668 # use -1 or undef as default coordinates, not 0, 0
1896 ($x, $y) = ($map->enter_x, $map->enter_y) 2669 ($x, $y) = ($map->enter_x, $map->enter_y)
1897 if $x <=0 && $y <= 0; 2670 if $x <= 0 && $y <= 0;
1898 2671
1899 $map->load; 2672 $map->load;
1900 $map->load_diag; 2673 $map->load_neighbours;
1901 2674
1902 return unless $self->contr->active; 2675 return unless $self->contr->active;
1903 $self->activate_recursive;
1904 2676
1905 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2677 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906 $self->enter_map ($map, $x, $y); 2678 if ($self->enter_map ($map, $x, $y)) {
1907} 2679 # entering was successful
1908 2680 delete $self->{_link_recursion};
1909cf::player->attach ( 2681 # only activate afterwards, to support waiting in hooks
1910 on_logout => sub { 2682 $self->activate_recursive;
1911 my ($pl) = @_;
1912
1913 # abort map switching before logout
1914 if ($pl->ob->{_link_pos}) {
1915 cf::sync_job {
1916 $pl->ob->leave_link
1917 };
1918 }
1919 }, 2683 }
1920 on_login => sub {
1921 my ($pl) = @_;
1922 2684
1923 # try to abort aborted map switching on player login :) 2685}
1924 # should happen only on crashes
1925 if ($pl->ob->{_link_pos}) {
1926 $pl->ob->enter_link;
1927 (async {
1928 $pl->ob->reply (undef,
1929 "There was an internal problem at your last logout, "
1930 . "the server will try to bring you to your intended destination in a second.",
1931 cf::NDI_RED);
1932 # we need this sleep as the login has a concurrent enter_exit running
1933 # and this sleep increases chances of the player not ending up in scorn
1934 Coro::Timer::sleep 1;
1935 $pl->ob->leave_link;
1936 })->prio (2);
1937 }
1938 },
1939);
1940 2686
1941=item $player_object->goto ($path, $x, $y) 2687=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1942 2688
2689Moves the player to the given map-path and coordinates by first freezing
2690her, loading and preparing them map, calling the provided $check callback
2691that has to return the map if sucecssful, and then unfreezes the player on
2692the new (success) or old (failed) map position. In either case, $done will
2693be called at the end of this process.
2694
2695Note that $check will be called with a potentially non-loaded map, so if
2696it needs a loaded map it has to call C<< ->load >>.
2697
1943=cut 2698=cut
2699
2700our $GOTOGEN;
1944 2701
1945sub cf::object::player::goto { 2702sub cf::object::player::goto {
1946 my ($self, $path, $x, $y) = @_; 2703 my ($self, $path, $x, $y, $check, $done) = @_;
2704
2705 if ($self->{_link_recursion} >= $MAX_LINKS) {
2706 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2707 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2708 ($path, $x, $y) = @$EMERGENCY_POSITION;
2709 }
2710
2711 # do generation counting so two concurrent goto's will be executed in-order
2712 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947 2713
1948 $self->enter_link; 2714 $self->enter_link;
1949 2715
1950 (async { 2716 (async {
2717 $Coro::current->{desc} = "player::goto $path $x $y";
2718
2719 # *tag paths override both path and x|y
2720 if ($path =~ /^\*(.*)$/) {
2721 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2722 my $ob = $obs[rand @obs];
2723
2724 # see if we actually can go there
2725 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2726 $ob = $obs[rand @obs];
2727 } else {
2728 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2729 }
2730 # else put us there anyways for now #d#
2731
2732 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2733 } else {
2734 ($path, $x, $y) = (undef, undef, undef);
2735 }
2736 }
2737
1951 my $map = eval { 2738 my $map = eval {
1952 my $map = cf::map::find $path; 2739 my $map = defined $path ? cf::map::find $path : undef;
2740
2741 if ($map) {
1953 $map = $map->customise_for ($self) if $map; 2742 $map = $map->customise_for ($self);
2743 $map = $check->($map, $x, $y, $self) if $check && $map;
2744 } else {
2745 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2746 }
2747
1954 $map 2748 $map
2749 };
2750
2751 if ($@) {
2752 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2753 LOG llevError | logBacktrace, Carp::longmess $@;
1955 } or 2754 }
1956 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957 2755
2756 if ($gen == $self->{_goto_generation}) {
2757 delete $self->{_goto_generation};
1958 $self->leave_link ($map, $x, $y); 2758 $self->leave_link ($map, $x, $y);
2759 }
2760
2761 $done->($self) if $done;
1959 })->prio (1); 2762 })->prio (1);
1960} 2763}
1961 2764
1962=item $player_object->enter_exit ($exit_object) 2765=item $player_object->enter_exit ($exit_object)
1963 2766
… …
1983} 2786}
1984 2787
1985sub prepare_random_map { 2788sub prepare_random_map {
1986 my ($exit) = @_; 2789 my ($exit) = @_;
1987 2790
1988 my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990 # all this does is basically replace the /! path by 2791 # all this does is basically replace the /! path by
1991 # a new random map path (?random/...) with a seed 2792 # a new random map path (?random/...) with a seed
1992 # that depends on the exit object 2793 # that depends on the exit object
1993 2794
1994 my $rmp = parse_random_map_params $exit->msg; 2795 my $rmp = parse_random_map_params $exit->msg;
… …
1996 if ($exit->map) { 2797 if ($exit->map) {
1997 $rmp->{region} = $exit->region->name; 2798 $rmp->{region} = $exit->region->name;
1998 $rmp->{origin_map} = $exit->map->path; 2799 $rmp->{origin_map} = $exit->map->path;
1999 $rmp->{origin_x} = $exit->x; 2800 $rmp->{origin_x} = $exit->x;
2000 $rmp->{origin_y} = $exit->y; 2801 $rmp->{origin_y} = $exit->y;
2802
2803 $exit->map->touch;
2001 } 2804 }
2002 2805
2003 $rmp->{random_seed} ||= $exit->random_seed; 2806 $rmp->{random_seed} ||= $exit->random_seed;
2004 2807
2005 my $data = cf::to_json $rmp; 2808 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006 my $md5 = Digest::MD5::md5_hex $data; 2809 my $md5 = Digest::MD5::md5_hex $data;
2007 my $meta = "$RANDOMDIR/$md5.meta"; 2810 my $meta = "$RANDOMDIR/$md5.meta";
2008 2811
2009 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2812 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010 aio_write $fh, 0, (length $data), $data, 0; 2813 aio_write $fh, 0, (length $data), $data, 0;
2011 undef $fh; 2814 undef $fh;
2012 aio_rename "$meta~", $meta; 2815 aio_rename "$meta~", $meta;
2013 2816
2817 my $slaying = "?random/$md5";
2818
2819 if ($exit->valid) {
2014 $exit->slaying ("?random/$md5"); 2820 $exit->slaying ("?random/$md5");
2015 $exit->msg (undef); 2821 $exit->msg (undef);
2822 }
2016 } 2823 }
2017} 2824}
2018 2825
2019sub cf::object::player::enter_exit { 2826sub cf::object::player::enter_exit {
2020 my ($self, $exit) = @_; 2827 my ($self, $exit) = @_;
2021 2828
2022 return unless $self->type == cf::PLAYER; 2829 return unless $self->type == cf::PLAYER;
2023 2830
2024 if ($exit->slaying eq "/!") {
2025 #TODO: this should de-fi-ni-te-ly not be a sync-job
2026 # the problem is that $exit might not survive long enough
2027 # so it needs to be done right now, right here
2028 cf::sync_job { prepare_random_map $exit };
2029 }
2030
2031 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2032 my $hp = $exit->stats->hp;
2033 my $sp = $exit->stats->sp;
2034
2035 $self->enter_link; 2831 $self->enter_link;
2036 2832
2037 (async { 2833 (async {
2038 $self->deactivate_recursive; # just to be sure 2834 $Coro::current->{desc} = "enter_exit";
2835
2039 unless (eval { 2836 unless (eval {
2837 $self->deactivate_recursive; # just to be sure
2838
2839 # random map handling
2840 {
2841 my $guard = cf::lock_acquire "exit_prepare:$exit";
2842
2843 prepare_random_map $exit
2844 if $exit->slaying eq "/!";
2845 }
2846
2847 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2848 my $x = $exit->stats->hp;
2849 my $y = $exit->stats->sp;
2850
2040 $self->goto ($slaying, $hp, $sp); 2851 $self->goto ($map, $x, $y);
2041 2852
2853 # if exit is damned, update players death & WoR home-position
2854 $self->contr->savebed ($map, $x, $y)
2855 if $exit->flag (cf::FLAG_DAMNED);
2856
2042 1; 2857 1
2043 }) { 2858 }) {
2044 $self->message ("Something went wrong deep within the crossfire server. " 2859 $self->message ("Something went wrong deep within the deliantra server. "
2045 . "I'll try to bring you back to the map you were before. " 2860 . "I'll try to bring you back to the map you were before. "
2046 . "Please report this to the dungeon master!", 2861 . "Please report this to the dungeon master!",
2047 cf::NDI_UNIQUE | cf::NDI_RED); 2862 cf::NDI_UNIQUE | cf::NDI_RED);
2048 2863
2049 warn "ERROR in enter_exit: $@"; 2864 error "ERROR in enter_exit: $@";
2050 $self->leave_link; 2865 $self->leave_link;
2051 } 2866 }
2052 })->prio (1); 2867 })->prio (1);
2053} 2868}
2054 2869
… …
2068 2883
2069 utf8::encode $text; 2884 utf8::encode $text;
2070 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2885 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071} 2886}
2072 2887
2888=item $client->send_big_packet ($pkt)
2889
2890Like C<send_packet>, but tries to compress large packets, and fragments
2891them as required.
2892
2893=cut
2894
2895our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2896
2897sub cf::client::send_big_packet {
2898 my ($self, $pkt) = @_;
2899
2900 # try lzf for large packets
2901 $pkt = "lzf " . Compress::LZF::compress $pkt
2902 if 1024 <= length $pkt and $self->{can_lzf};
2903
2904 # split very large packets
2905 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2906 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2907 $pkt = "frag";
2908 }
2909
2910 $self->send_packet ($pkt);
2911}
2912
2913=item $client->send_msg ($channel, $msg, $color, [extra...])
2914
2915Send a drawinfo or msg packet to the client, formatting the msg for the
2916client if neccessary. C<$type> should be a string identifying the type of
2917the message, with C<log> being the default. If C<$color> is negative, suppress
2918the message unless the client supports the msg packet.
2919
2920=cut
2921
2922# non-persistent channels (usually the info channel)
2923our %CHANNEL = (
2924 "c/motd" => {
2925 id => "infobox",
2926 title => "MOTD",
2927 reply => undef,
2928 tooltip => "The message of the day",
2929 },
2930 "c/identify" => {
2931 id => "infobox",
2932 title => "Identify",
2933 reply => undef,
2934 tooltip => "Items recently identified",
2935 },
2936 "c/examine" => {
2937 id => "infobox",
2938 title => "Examine",
2939 reply => undef,
2940 tooltip => "Signs and other items you examined",
2941 },
2942 "c/shopinfo" => {
2943 id => "infobox",
2944 title => "Shop Info",
2945 reply => undef,
2946 tooltip => "What your bargaining skill tells you about the shop",
2947 },
2948 "c/book" => {
2949 id => "infobox",
2950 title => "Book",
2951 reply => undef,
2952 tooltip => "The contents of a note or book",
2953 },
2954 "c/lookat" => {
2955 id => "infobox",
2956 title => "Look",
2957 reply => undef,
2958 tooltip => "What you saw there",
2959 },
2960 "c/who" => {
2961 id => "infobox",
2962 title => "Players",
2963 reply => undef,
2964 tooltip => "Shows players who are currently online",
2965 },
2966 "c/body" => {
2967 id => "infobox",
2968 title => "Body Parts",
2969 reply => undef,
2970 tooltip => "Shows which body parts you posess and are available",
2971 },
2972 "c/statistics" => {
2973 id => "infobox",
2974 title => "Statistics",
2975 reply => undef,
2976 tooltip => "Shows your primary statistics",
2977 },
2978 "c/skills" => {
2979 id => "infobox",
2980 title => "Skills",
2981 reply => undef,
2982 tooltip => "Shows your experience per skill and item power",
2983 },
2984 "c/shopitems" => {
2985 id => "infobox",
2986 title => "Shop Items",
2987 reply => undef,
2988 tooltip => "Shows the items currently for sale in this shop",
2989 },
2990 "c/resistances" => {
2991 id => "infobox",
2992 title => "Resistances",
2993 reply => undef,
2994 tooltip => "Shows your resistances",
2995 },
2996 "c/pets" => {
2997 id => "infobox",
2998 title => "Pets",
2999 reply => undef,
3000 tooltip => "Shows information abotu your pets/a specific pet",
3001 },
3002 "c/perceiveself" => {
3003 id => "infobox",
3004 title => "Perceive Self",
3005 reply => undef,
3006 tooltip => "You gained detailed knowledge about yourself",
3007 },
3008 "c/uptime" => {
3009 id => "infobox",
3010 title => "Uptime",
3011 reply => undef,
3012 tooltip => "How long the server has been running since last restart",
3013 },
3014 "c/mapinfo" => {
3015 id => "infobox",
3016 title => "Map Info",
3017 reply => undef,
3018 tooltip => "Information related to the maps",
3019 },
3020 "c/party" => {
3021 id => "party",
3022 title => "Party",
3023 reply => "gsay ",
3024 tooltip => "Messages and chat related to your party",
3025 },
3026 "c/death" => {
3027 id => "death",
3028 title => "Death",
3029 reply => undef,
3030 tooltip => "Reason for and more info about your most recent death",
3031 },
3032 "c/say" => $SAY_CHANNEL,
3033 "c/chat" => $CHAT_CHANNEL,
3034);
3035
3036sub cf::client::send_msg {
3037 my ($self, $channel, $msg, $color, @extra) = @_;
3038
3039 $msg = $self->pl->expand_cfpod ($msg)
3040 unless $color & cf::NDI_VERBATIM;
3041
3042 $color &= cf::NDI_CLIENT_MASK; # just in case...
3043
3044 # check predefined channels, for the benefit of C
3045 if ($CHANNEL{$channel}) {
3046 $channel = $CHANNEL{$channel};
3047
3048 $self->ext_msg (channel_info => $channel);
3049 $channel = $channel->{id};
3050
3051 } elsif (ref $channel) {
3052 # send meta info to client, if not yet sent
3053 unless (exists $self->{channel}{$channel->{id}}) {
3054 $self->{channel}{$channel->{id}} = $channel;
3055 $self->ext_msg (channel_info => $channel);
3056 }
3057
3058 $channel = $channel->{id};
3059 }
3060
3061 return unless @extra || length $msg;
3062
3063 # default colour, mask it out
3064 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3065 if $color & cf::NDI_DEF;
3066
3067 my $pkt = "msg "
3068 . $self->{json_coder}->encode (
3069 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3070 );
3071
3072 $self->send_big_packet ($pkt);
3073}
3074
2073=item $client->ext_event ($type, %msg) 3075=item $client->ext_msg ($type, @msg)
2074 3076
2075Sends an exti event to the client. 3077Sends an ext event to the client.
2076 3078
2077=cut 3079=cut
2078 3080
2079sub cf::client::ext_event($$%) { 3081sub cf::client::ext_msg($$@) {
2080 my ($self, $type, %msg) = @_; 3082 my ($self, $type, @msg) = @_;
2081 3083
3084 if ($self->extcmd == 2) {
3085 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3086 } elsif ($self->extcmd == 1) { # TODO: remove
2082 $msg{msgtype} = "event_$type"; 3087 push @msg, msgtype => "event_$type";
2083 $self->send_packet ("ext " . cf::to_json \%msg); 3088 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3089 }
3090}
3091
3092=item $client->ext_reply ($msgid, @msg)
3093
3094Sends an ext reply to the client.
3095
3096=cut
3097
3098sub cf::client::ext_reply($$@) {
3099 my ($self, $id, @msg) = @_;
3100
3101 if ($self->extcmd == 2) {
3102 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3103 } elsif ($self->extcmd == 1) {
3104 #TODO: version 1, remove
3105 unshift @msg, msgtype => "reply", msgid => $id;
3106 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3107 }
2084} 3108}
2085 3109
2086=item $success = $client->query ($flags, "text", \&cb) 3110=item $success = $client->query ($flags, "text", \&cb)
2087 3111
2088Queues a query to the client, calling the given callback with 3112Queues a query to the client, calling the given callback with
2089the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3113the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3114C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091 3115
2092Queries can fail, so check the return code. Or don't, as queries will become 3116Queries can fail, so check the return code. Or don't, as queries will
2093reliable at some point in the future. 3117become reliable at some point in the future.
2094 3118
2095=cut 3119=cut
2096 3120
2097sub cf::client::query { 3121sub cf::client::query {
2098 my ($self, $flags, $text, $cb) = @_; 3122 my ($self, $flags, $text, $cb) = @_;
… …
2106 utf8::encode $text; 3130 utf8::encode $text;
2107 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3131 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108 3132
2109 $self->send_packet ($self->{query_queue}[0][0]) 3133 $self->send_packet ($self->{query_queue}[0][0])
2110 if @{ $self->{query_queue} } == 1; 3134 if @{ $self->{query_queue} } == 1;
3135
3136 1
2111} 3137}
2112 3138
2113cf::client->attach ( 3139cf::client->attach (
3140 on_connect => sub {
3141 my ($ns) = @_;
3142
3143 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3144 },
2114 on_reply => sub { 3145 on_reply => sub {
2115 my ($ns, $msg) = @_; 3146 my ($ns, $msg) = @_;
2116 3147
2117 # this weird shuffling is so that direct followup queries 3148 # this weird shuffling is so that direct followup queries
2118 # get handled first 3149 # get handled first
… …
2130 } else { 3161 } else {
2131 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132 } 3163 }
2133 } 3164 }
2134 }, 3165 },
3166 on_exticmd => sub {
3167 my ($ns, $buf) = @_;
3168
3169 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3170
3171 if (ref $msg) {
3172 my ($type, $reply, @payload) =
3173 "ARRAY" eq ref $msg
3174 ? @$msg
3175 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3176
3177 my @reply;
3178
3179 if (my $cb = $EXTICMD{$type}) {
3180 @reply = $cb->($ns, @payload);
3181 }
3182
3183 $ns->ext_reply ($reply, @reply)
3184 if $reply;
3185
3186 } else {
3187 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3188 }
3189
3190 cf::override;
3191 },
2135); 3192);
2136 3193
2137=item $client->async (\&cb) 3194=item $client->async (\&cb)
2138 3195
2139Create a new coroutine, running the specified callback. The coroutine will 3196Create a new coroutine, running the specified callback. The coroutine will
… …
2155 3212
2156 $coro 3213 $coro
2157} 3214}
2158 3215
2159cf::client->attach ( 3216cf::client->attach (
2160 on_destroy => sub { 3217 on_client_destroy => sub {
2161 my ($ns) = @_; 3218 my ($ns) = @_;
2162 3219
2163 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3220 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2164 }, 3221 },
2165); 3222);
… …
2180our $safe = new Safe "safe"; 3237our $safe = new Safe "safe";
2181our $safe_hole = new Safe::Hole; 3238our $safe_hole = new Safe::Hole;
2182 3239
2183$SIG{FPE} = 'IGNORE'; 3240$SIG{FPE} = 'IGNORE';
2184 3241
2185$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3242$safe->permit_only (Opcode::opset qw(
3243 :base_core :base_mem :base_orig :base_math :base_loop
3244 grepstart grepwhile mapstart mapwhile
3245 sort time
3246));
2186 3247
2187# here we export the classes and methods available to script code 3248# here we export the classes and methods available to script code
2188 3249
2189=pod 3250=pod
2190 3251
2191The following functions and methods are available within a safe environment: 3252The following functions and methods are available within a safe environment:
2192 3253
2193 cf::object contr pay_amount pay_player map 3254 cf::object
3255 contr pay_amount pay_player map x y force_find force_add destroy
3256 insert remove name archname title slaying race decrease split
3257 value
3258
2194 cf::object::player player 3259 cf::object::player
2195 cf::player peaceful 3260 player
2196 cf::map trigger 3261
3262 cf::player
3263 peaceful
3264
3265 cf::map
3266 trigger
2197 3267
2198=cut 3268=cut
2199 3269
2200for ( 3270for (
2201 ["cf::object" => qw(contr pay_amount pay_player map)], 3271 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3272 insert remove inv nrof name archname title slaying race
3273 decrease split destroy change_exp value msg lore send_msg)],
2202 ["cf::object::player" => qw(player)], 3274 ["cf::object::player" => qw(player)],
2203 ["cf::player" => qw(peaceful)], 3275 ["cf::player" => qw(peaceful send_msg)],
2204 ["cf::map" => qw(trigger)], 3276 ["cf::map" => qw(trigger)],
2205) { 3277) {
2206 no strict 'refs';
2207 my ($pkg, @funs) = @$_; 3278 my ($pkg, @funs) = @$_;
2208 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3279 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2209 for @funs; 3280 for @funs;
2210} 3281}
2211 3282
… …
2226 3297
2227 my $qcode = $code; 3298 my $qcode = $code;
2228 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3299 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2229 $qcode =~ s/\n/\\n/g; 3300 $qcode =~ s/\n/\\n/g;
2230 3301
3302 %vars = (_dummy => 0) unless %vars;
3303
3304 my @res;
2231 local $_; 3305 local $_;
2232 local @safe::cf::_safe_eval_args = values %vars;
2233 3306
2234 my $eval = 3307 my $eval =
2235 "do {\n" 3308 "do {\n"
2236 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3309 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2237 . "#line 0 \"{$qcode}\"\n" 3310 . "#line 0 \"{$qcode}\"\n"
2238 . $code 3311 . $code
2239 . "\n}" 3312 . "\n}"
2240 ; 3313 ;
2241 3314
3315 if ($CFG{safe_eval}) {
2242 sub_generation_inc; 3316 sub_generation_inc;
3317 local @safe::cf::_safe_eval_args = values %vars;
2243 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3318 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2244 sub_generation_inc; 3319 sub_generation_inc;
3320 } else {
3321 local @cf::_safe_eval_args = values %vars;
3322 @res = wantarray ? eval eval : scalar eval $eval;
3323 }
2245 3324
2246 if ($@) { 3325 if ($@) {
2247 warn "$@"; 3326 warn "$@",
2248 warn "while executing safe code '$code'\n"; 3327 "while executing safe code '$code'\n",
2249 warn "with arguments " . (join " ", %vars) . "\n"; 3328 "with arguments " . (join " ", %vars) . "\n";
2250 } 3329 }
2251 3330
2252 wantarray ? @res : $res[0] 3331 wantarray ? @res : $res[0]
2253} 3332}
2254 3333
… …
2268=cut 3347=cut
2269 3348
2270sub register_script_function { 3349sub register_script_function {
2271 my ($fun, $cb) = @_; 3350 my ($fun, $cb) = @_;
2272 3351
2273 no strict 'refs'; 3352 $fun = "safe::$fun" if $CFG{safe_eval};
2274 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3353 *$fun = $safe_hole->wrap ($cb);
2275} 3354}
2276 3355
2277=back 3356=back
2278 3357
2279=cut 3358=cut
2280
2281#############################################################################
2282
2283=head2 EXTENSION DATABASE SUPPORT
2284
2285Crossfire maintains a very simple database for extension use. It can
2286currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287convert to/from binary).
2288
2289The parameter C<$family> should best start with the name of the extension
2290using it, it should be unique.
2291
2292=over 4
2293
2294=item $value = cf::db_get $family => $key
2295
2296Returns a single value from the database.
2297
2298=item cf::db_put $family => $key => $value
2299
2300Stores the given C<$value> in the family.
2301
2302=cut
2303
2304our $DB;
2305
2306sub db_init {
2307 unless ($DB) {
2308 $DB = BDB::db_create $DB_ENV;
2309
2310 cf::sync_job {
2311 eval {
2312 $DB->set_flags (BDB::CHKSUM);
2313
2314 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316 cf::cleanup "db_open(db): $!" if $!;
2317 };
2318 cf::cleanup "db_open(db): $@" if $@;
2319 };
2320 }
2321}
2322
2323sub db_get($$) {
2324 my $key = "$_[0]/$_[1]";
2325
2326 cf::sync_job {
2327 BDB::db_get $DB, undef, $key, my $data;
2328
2329 $! ? ()
2330 : $data
2331 }
2332}
2333
2334sub db_put($$$) {
2335 BDB::dbreq_pri 4;
2336 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337}
2338
2339=item cf::cache $id => [$paths...], $processversion => $process
2340
2341Generic caching function that returns the value of the resource $id,
2342caching and regenerating as required.
2343
2344This function can block.
2345
2346=cut
2347
2348sub cache {
2349 my ($id, $src, $processversion, $process) = @_;
2350
2351 my $meta =
2352 join "\x00",
2353 $processversion,
2354 map {
2355 aio_stat $_
2356 and Carp::croak "$_: $!";
2357
2358 ($_, (stat _)[7,9])
2359 } @$src;
2360
2361 my $dbmeta = db_get cache => "$id/meta";
2362 if ($dbmeta ne $meta) {
2363 # changed, we may need to process
2364
2365 my @data;
2366 my $md5;
2367
2368 for (0 .. $#$src) {
2369 0 <= aio_load $src->[$_], $data[$_]
2370 or Carp::croak "$src->[$_]: $!";
2371 }
2372
2373 # if processing is expensive, check
2374 # checksum first
2375 if (1) {
2376 $md5 =
2377 join "\x00",
2378 $processversion,
2379 map {
2380 Coro::cede;
2381 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2382 } 0.. $#$src;
2383
2384
2385 my $dbmd5 = db_get cache => "$id/md5";
2386 if ($dbmd5 eq $md5) {
2387 db_put cache => "$id/meta", $meta;
2388
2389 return db_get cache => "$id/data";
2390 }
2391 }
2392
2393 my $t1 = Time::HiRes::time;
2394 my $data = $process->(\@data);
2395 my $t2 = Time::HiRes::time;
2396
2397 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399 db_put cache => "$id/data", $data;
2400 db_put cache => "$id/md5" , $md5;
2401 db_put cache => "$id/meta", $meta;
2402
2403 return $data;
2404 }
2405
2406 db_get cache => "$id/data"
2407}
2408
2409=item fork_call { }, $args
2410
2411Executes the given code block with the given arguments in a seperate
2412process, returning the results. Everything must be serialisable with
2413Coro::Storable. May, of course, block. Note that the executed sub may
2414never block itself or use any form of Event handling.
2415
2416=cut
2417
2418sub fork_call(&@) {
2419 my ($cb, @args) = @_;
2420
2421# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422# or die "socketpair: $!";
2423 pipe my $fh1, my $fh2
2424 or die "pipe: $!";
2425
2426 if (my $pid = fork) {
2427 close $fh2;
2428
2429 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430 $res = Coro::Storable::thaw $res;
2431
2432 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434 die $$res unless "ARRAY" eq ref $res;
2435
2436 return wantarray ? @$res : $res->[-1];
2437 } else {
2438 local $SIG{__WARN__};
2439 eval {
2440 local $SIG{__DIE__};
2441 close $fh1;
2442
2443 my @res = eval { $cb->(@args) };
2444 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445 };
2446
2447 warn $@ if $@;
2448 _exit 0;
2449 }
2450}
2451
2452
2453 3359
2454############################################################################# 3360#############################################################################
2455# the server's init and main functions 3361# the server's init and main functions
2456 3362
3363# async inc loader. yay.
3364sub inc_loader {
3365 my $mod = $_[1];
3366
3367 if (in_main && !tick_inhibit) {
3368 Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
3369 } else {
3370 debug "loading perl module $mod\n";
3371 }
3372
3373 # 1. find real file
3374 for my $dir (@ORIG_INC) {
3375 warn "$dir/$mod\n";#d#
3376 ref $dir and next;
3377 0 <= Coro::AIO::aio_load "$dir/$mod", my $data
3378 or next;
3379
3380 $data = "#line 1 $dir/$mod\n$data";
3381
3382 open my $fh, "<", \$data or die;
3383
3384 return $fh;
3385 }
3386
3387 ()
3388}
3389
3390sub init_inc {
3391 # save original @INC
3392 @ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
3393
3394 # make sure we can do scalar-opens
3395 open my $dummy, "<", \my $dummy2;
3396
3397 # execute some stuff so perl load's some of the core modules
3398 /Ü/ =~ /ü/i;
3399 eval { &Storable::nstore_fd };
3400
3401 @INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
3402
3403 debug "module loading will be asynchronous from this point on.";
3404}
3405
2457sub load_facedata($) { 3406sub load_facedata($) {
2458 my ($path) = @_; 3407 my ($path) = @_;
2459 3408
3409 # HACK to clear player env face cache, we need some signal framework
3410 # for this (global event?)
3411 %ext::player_env::MUSIC_FACE_CACHE = ();
3412
3413 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3414
2460 warn "loading facedata from $path\n"; 3415 trace "loading facedata from $path\n";
2461 3416
2462 my $facedata; 3417 my $facedata;
2463 0 < aio_load $path, $facedata 3418 0 < aio_load $path, $facedata
2464 or die "$path: $!"; 3419 or die "$path: $!";
2465 3420
2466 $facedata = Coro::Storable::thaw $facedata; 3421 $facedata = Coro::Storable::thaw $facedata;
2467 3422
2468 $facedata->{version} == 2 3423 $facedata->{version} == 2
2469 or cf::cleanup "$path: version mismatch, cannot proceed."; 3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
2470 3425
3426 # patch in the exptable
3427 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3428 $facedata->{resource}{"res/exp_table"} = {
3429 type => FT_RSRC,
3430 data => $exp_table,
3431 hash => (Digest::MD5::md5 $exp_table),
3432 };
3433 cf::cede_to_tick;
3434
2471 { 3435 {
2472 my $faces = $facedata->{faceinfo}; 3436 my $faces = $facedata->{faceinfo};
2473 3437
2474 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2475 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3440
2476 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3441 cf::face::set_visibility $idx, $info->{visibility};
3442 cf::face::set_magicmap $idx, $info->{magicmap};
2477 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2478 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2479 Coro::cede; 3445
3446 cf::cede_to_tick;
2480 } 3447 }
2481 3448
2482 while (my ($face, $info) = each %$faces) { 3449 while (my ($face, $info) = each %$faces) {
2483 next unless $info->{smooth}; 3450 next unless $info->{smooth};
3451
2484 my $idx = cf::face::find $face 3452 my $idx = cf::face::find $face
2485 or next; 3453 or next;
3454
2486 if (my $smooth = cf::face::find $info->{smooth}) { 3455 if (my $smooth = cf::face::find $info->{smooth}) {
3456 cf::face::set_smooth $idx, $smooth;
2487 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488 } else { 3458 } else {
2489 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3459 error "smooth face '$info->{smooth}' not found for face '$face'";
2490 } 3460 }
2491 Coro::cede; 3461
3462 cf::cede_to_tick;
2492 } 3463 }
2493 } 3464 }
2494 3465
2495 { 3466 {
2496 my $anims = $facedata->{animinfo}; 3467 my $anims = $facedata->{animinfo};
2497 3468
2498 while (my ($anim, $info) = each %$anims) { 3469 while (my ($anim, $info) = each %$anims) {
2499 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3470 cf::anim::set $anim, $info->{frames}, $info->{facings};
2500 Coro::cede; 3471 cf::cede_to_tick;
2501 } 3472 }
2502 3473
2503 cf::anim::invalidate_all; # d'oh 3474 cf::anim::invalidate_all; # d'oh
2504 } 3475 }
2505 3476
3477 {
3478 my $res = $facedata->{resource};
3479
3480 while (my ($name, $info) = each %$res) {
3481 if (defined $info->{type}) {
3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3483
3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type};
3486 } else {
3487 $RESOURCE{$name} = $info; # unused
3488 }
3489
3490 cf::cede_to_tick;
3491 }
3492 }
3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3495
2506 1 3496 1
2507} 3497}
2508 3498
3499register_exticmd fx_want => sub {
3500 my ($ns, $want) = @_;
3501
3502 while (my ($k, $v) = each %$want) {
3503 $ns->fx_want ($k, $v);
3504 }
3505};
3506
3507sub load_resource_file($) {
3508 my $guard = lock_acquire "load_resource_file";
3509
3510 my $status = load_resource_file_ $_[0];
3511 get_slot 0.1, 100;
3512 cf::arch::commit_load;
3513
3514 $status
3515}
3516
2509sub reload_regions { 3517sub reload_regions {
3518 # HACK to clear player env face cache, we need some signal framework
3519 # for this (global event?)
3520 %ext::player_env::MUSIC_FACE_CACHE = ();
3521
2510 load_resource_file "$MAPDIR/regions" 3522 load_resource_file "$MAPDIR/regions"
2511 or die "unable to load regions file\n"; 3523 or die "unable to load regions file\n";
3524
3525 for (cf::region::list) {
3526 $_->{match} = qr/$_->{match}/
3527 if exists $_->{match};
3528 }
2512} 3529}
2513 3530
2514sub reload_facedata { 3531sub reload_facedata {
2515 load_facedata "$DATADIR/facedata" 3532 load_facedata "$DATADIR/facedata"
2516 or die "unable to load facedata\n"; 3533 or die "unable to load facedata\n";
… …
2524sub reload_treasures { 3541sub reload_treasures {
2525 load_resource_file "$DATADIR/treasures" 3542 load_resource_file "$DATADIR/treasures"
2526 or die "unable to load treasurelists\n"; 3543 or die "unable to load treasurelists\n";
2527} 3544}
2528 3545
3546sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n";
3548
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3553
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_]
3556 or next;
3557
3558 my $face = cf::face::find "sound/$sound->[1]";
3559 cf::sound::set $sound->[0] => $face;
3560 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3561 }
3562
3563 while (my ($k, $v) = each %{$soundconf->{event}}) {
3564 my $face = cf::face::find "sound/$v";
3565 cf::sound::set $k => $face;
3566 }
3567}
3568
2529sub reload_resources { 3569sub reload_resources {
2530 warn "reloading resource files...\n"; 3570 trace "reloading resource files...\n";
2531 3571
3572 reload_facedata;
3573 reload_sound;
3574 reload_archetypes;
2532 reload_regions; 3575 reload_regions;
2533 reload_facedata;
2534 reload_archetypes;
2535 reload_treasures; 3576 reload_treasures;
2536 3577
2537 warn "finished reloading resource files\n"; 3578 trace "finished reloading resource files\n";
2538} 3579}
2539 3580
2540sub init { 3581sub reload_config {
2541 reload_resources; 3582 trace "reloading config file...\n";
2542}
2543 3583
2544sub cfg_load {
2545 open my $fh, "<:utf8", "$CONFDIR/config" 3584 open my $fh, "<:utf8", "$CONFDIR/config"
2546 or return; 3585 or return;
2547 3586
2548 local $/; 3587 local $/;
2549 *CFG = YAML::Syck::Load <$fh>; 3588 *CFG = YAML::XS::Load scalar <$fh>;
2550 3589
2551 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3590 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2552 3591
2553 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3592 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2554 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3593 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2555 3594
2556 if (exists $CFG{mlockall}) { 3595 if (exists $CFG{mlockall}) {
… …
2558 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3597 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2559 and die "WARNING: m(un)lockall failed: $!\n"; 3598 and die "WARNING: m(un)lockall failed: $!\n";
2560 }; 3599 };
2561 warn $@ if $@; 3600 warn $@ if $@;
2562 } 3601 }
3602
3603 trace "finished reloading resource files\n";
3604}
3605
3606sub pidfile() {
3607 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3608 or die "$PIDFILE: $!";
3609 flock $fh, &Fcntl::LOCK_EX
3610 or die "$PIDFILE: flock: $!";
3611 $fh
3612}
3613
3614# make sure only one server instance is running at any one time
3615sub atomic {
3616 my $fh = pidfile;
3617
3618 my $pid = <$fh>;
3619 kill 9, $pid if $pid > 0;
3620
3621 seek $fh, 0, 0;
3622 print $fh $$;
3623}
3624
3625sub main_loop {
3626 trace "EV::loop starting\n";
3627 if (1) {
3628 EV::loop;
3629 }
3630 trace "EV::loop returned\n";
3631 goto &main_loop unless $REALLY_UNLOOP;
2563} 3632}
2564 3633
2565sub main { 3634sub main {
3635 cf::init_globals; # initialise logging
3636
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643
2566 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
2567 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
2568 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3646 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569 (async { 3647 (async {
2570 Event::one_event; 3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
2571 })->prio (Coro::PRIO_MAX); 3650 })->prio (Coro::PRIO_MAX);
2572 }; 3651 };
2573 3652
2574 cfg_load; 3653 evthread_start IO::AIO::poll_fileno;
3654
3655 cf::sync_job {
3656 init_inc;
3657
3658 cf::init_experience;
3659 cf::init_anim;
3660 cf::init_attackmess;
3661 cf::init_dynamic;
3662
3663 cf::load_settings;
3664 cf::load_materials;
3665
3666 reload_resources;
3667 reload_config;
2575 db_init; 3668 db_init;
3669
3670 cf::init_uuid;
3671 cf::init_signals;
3672 cf::init_skills;
3673
3674 cf::init_beforeplay;
3675
3676 atomic;
3677
2576 load_extensions; 3678 load_extensions;
2577 3679
2578 $TICK_WATCHER->start; 3680 utime time, time, $RUNTIMEFILE;
2579 Event::loop; 3681
3682 # no (long-running) fork's whatsoever before this point(!)
3683 use POSIX ();
3684 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3685
3686 (pop @POST_INIT)->(0) while @POST_INIT;
3687 };
3688
3689 cf::object::thawer::errors_are_fatal 0;
3690 info "parse errors in files are no longer fatal from this point on.\n";
3691
3692 my $free_main; $free_main = EV::idle sub {
3693 undef $free_main;
3694 undef &main; # free gobs of memory :)
3695 };
3696
3697 goto &main_loop;
2580} 3698}
2581 3699
2582############################################################################# 3700#############################################################################
2583# initialisation and cleanup 3701# initialisation and cleanup
2584 3702
2585# install some emergency cleanup handlers 3703# install some emergency cleanup handlers
2586BEGIN { 3704BEGIN {
3705 our %SIGWATCHER = ();
2587 for my $signal (qw(INT HUP TERM)) { 3706 for my $signal (qw(INT HUP TERM)) {
2588 Event->signal ( 3707 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2589 reentrant => 0,
2590 data => WF_AUTOCANCEL,
2591 signal => $signal,
2592 prio => 0,
2593 cb => sub {
2594 cf::cleanup "SIG$signal"; 3708 cf::cleanup "SIG$signal";
2595 },
2596 ); 3709 };
3710 }
3711}
3712
3713sub write_runtime_sync {
3714 my $t0 = AE::time;
3715
3716 # first touch the runtime file to show we are still running:
3717 # the fsync below can take a very very long time.
3718
3719 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3720
3721 my $guard = cf::lock_acquire "write_runtime";
3722
3723 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3724 or return;
3725
3726 my $value = $cf::RUNTIME + 90 + 10;
3727 # 10 is the runtime save interval, for a monotonic clock
3728 # 60 allows for the watchdog to kill the server.
3729
3730 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3731 and return;
3732
3733 # always fsync - this file is important
3734 aio_fsync $fh
3735 and return;
3736
3737 # touch it again to show we are up-to-date
3738 aio_utime $fh, undef, undef;
3739
3740 close $fh
3741 or return;
3742
3743 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3744 and return;
3745
3746 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3747
2597 } 3748 1
3749}
3750
3751our $uuid_lock;
3752our $uuid_skip;
3753
3754sub write_uuid_sync($) {
3755 $uuid_skip ||= $_[0];
3756
3757 return if $uuid_lock;
3758 local $uuid_lock = 1;
3759
3760 my $uuid = "$LOCALDIR/uuid";
3761
3762 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3763 or return;
3764
3765 my $value = uuid_seq uuid_cur;
3766
3767 unless ($value) {
3768 info "cowardly refusing to write zero uuid value!\n";
3769 return;
3770 }
3771
3772 my $value = uuid_str $value + $uuid_skip;
3773 $uuid_skip = 0;
3774
3775 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3776 and return;
3777
3778 # always fsync - this file is important
3779 aio_fsync $fh
3780 and return;
3781
3782 close $fh
3783 or return;
3784
3785 aio_rename "$uuid~", $uuid
3786 and return;
3787
3788 trace "uuid file written ($value).\n";
3789
3790 1
3791
3792}
3793
3794sub write_uuid($$) {
3795 my ($skip, $sync) = @_;
3796
3797 $sync ? write_uuid_sync $skip
3798 : async { write_uuid_sync $skip };
2598} 3799}
2599 3800
2600sub emergency_save() { 3801sub emergency_save() {
2601 my $freeze_guard = cf::freeze_mainloop; 3802 my $freeze_guard = cf::freeze_mainloop;
2602 3803
2603 warn "enter emergency perl save\n"; 3804 info "emergency_perl_save: enter\n";
3805
3806 # this is a trade-off: we want to be very quick here, so
3807 # save all maps without fsync, and later call a global sync
3808 # (which in turn might be very very slow)
3809 local $USE_FSYNC = 0;
2604 3810
2605 cf::sync_job { 3811 cf::sync_job {
3812 cf::write_runtime_sync; # external watchdog should not bark
3813
2606 # use a peculiar iteration method to avoid tripping on perl 3814 # use a peculiar iteration method to avoid tripping on perl
2607 # refcount bugs in for. also avoids problems with players 3815 # refcount bugs in for. also avoids problems with players
2608 # and maps saved/destroyed asynchronously. 3816 # and maps saved/destroyed asynchronously.
2609 warn "begin emergency player save\n"; 3817 info "emergency_perl_save: begin player save\n";
2610 for my $login (keys %cf::PLAYER) { 3818 for my $login (keys %cf::PLAYER) {
2611 my $pl = $cf::PLAYER{$login} or next; 3819 my $pl = $cf::PLAYER{$login} or next;
2612 $pl->valid or next; 3820 $pl->valid or next;
3821 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613 $pl->save; 3822 $pl->save;
2614 } 3823 }
2615 warn "end emergency player save\n"; 3824 info "emergency_perl_save: end player save\n";
2616 3825
2617 warn "begin emergency map save\n"; 3826 cf::write_runtime_sync; # external watchdog should not bark
3827
3828 info "emergency_perl_save: begin map save\n";
2618 for my $path (keys %cf::MAP) { 3829 for my $path (keys %cf::MAP) {
2619 my $map = $cf::MAP{$path} or next; 3830 my $map = $cf::MAP{$path} or next;
2620 $map->valid or next; 3831 $map->valid or next;
2621 $map->save; 3832 $map->save;
2622 } 3833 }
2623 warn "end emergency map save\n"; 3834 info "emergency_perl_save: end map save\n";
2624 3835
2625 warn "begin emergency database checkpoint\n"; 3836 cf::write_runtime_sync; # external watchdog should not bark
3837
3838 info "emergency_perl_save: begin database checkpoint\n";
2626 BDB::db_env_txn_checkpoint $DB_ENV; 3839 BDB::db_env_txn_checkpoint $DB_ENV;
2627 warn "end emergency database checkpoint\n"; 3840 info "emergency_perl_save: end database checkpoint\n";
3841
3842 info "emergency_perl_save: begin write uuid\n";
3843 write_uuid_sync 1;
3844 info "emergency_perl_save: end write uuid\n";
3845
3846 cf::write_runtime_sync; # external watchdog should not bark
3847
3848 trace "emergency_perl_save: syncing database to disk";
3849 BDB::db_env_txn_checkpoint $DB_ENV;
3850
3851 info "emergency_perl_save: starting sync\n";
3852 IO::AIO::aio_sync sub {
3853 info "emergency_perl_save: finished sync\n";
3854 };
3855
3856 cf::write_runtime_sync; # external watchdog should not bark
3857
3858 trace "emergency_perl_save: flushing outstanding aio requests";
3859 while (IO::AIO::nreqs || BDB::nreqs) {
3860 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3861 }
3862
3863 cf::write_runtime_sync; # external watchdog should not bark
2628 }; 3864 };
2629 3865
2630 warn "leave emergency perl save\n"; 3866 info "emergency_perl_save: leave\n";
2631} 3867}
2632 3868
2633sub post_cleanup { 3869sub post_cleanup {
2634 my ($make_core) = @_; 3870 my ($make_core) = @_;
2635 3871
3872 IO::AIO::flush;
3873
2636 warn Carp::longmess "post_cleanup backtrace" 3874 error Carp::longmess "post_cleanup backtrace"
2637 if $make_core; 3875 if $make_core;
3876
3877 my $fh = pidfile;
3878 unlink $PIDFILE if <$fh> == $$;
3879}
3880
3881# a safer delete_package, copied from Symbol
3882sub clear_package($) {
3883 my $pkg = shift;
3884
3885 # expand to full symbol table name if needed
3886 unless ($pkg =~ /^main::.*::$/) {
3887 $pkg = "main$pkg" if $pkg =~ /^::/;
3888 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3889 $pkg .= '::' unless $pkg =~ /::$/;
3890 }
3891
3892 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3893 my $stem_symtab = *{$stem}{HASH};
3894
3895 defined $stem_symtab and exists $stem_symtab->{$leaf}
3896 or return;
3897
3898 # clear all symbols
3899 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3900 for my $name (keys %$leaf_symtab) {
3901 _gv_clear *{"$pkg$name"};
3902# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3903 }
2638} 3904}
2639 3905
2640sub do_reload_perl() { 3906sub do_reload_perl() {
2641 # can/must only be called in main 3907 # can/must only be called in main
2642 if ($Coro::current != $Coro::main) { 3908 if (in_main) {
2643 warn "can only reload from main coroutine"; 3909 error "can only reload from main coroutine";
2644 return; 3910 return;
2645 } 3911 }
2646 3912
3913 return if $RELOAD++;
3914
3915 my $t1 = AE::time;
3916
3917 while ($RELOAD) {
2647 warn "reloading..."; 3918 info "reloading...";
2648 3919
2649 warn "entering sync_job"; 3920 trace "entering sync_job";
2650 3921
2651 cf::sync_job { 3922 cf::sync_job {
2652 cf::write_runtime; # external watchdog should not bark
2653 cf::emergency_save; 3923 cf::emergency_save;
2654 cf::write_runtime; # external watchdog should not bark
2655 3924
2656 warn "syncing database to disk";
2657 BDB::db_env_txn_checkpoint $DB_ENV;
2658
2659 # if anything goes wrong in here, we should simply crash as we already saved
2660
2661 warn "cancelling all WF_AUTOCANCEL watchers";
2662 for (Event::all_watchers) {
2663 $_->cancel if $_->data & WF_AUTOCANCEL;
2664 }
2665
2666 warn "flushing outstanding aio requests";
2667 for (;;) {
2668 BDB::flush;
2669 IO::AIO::flush;
2670 Coro::cede;
2671 last unless IO::AIO::nreqs || BDB::nreqs;
2672 warn "iterate...";
2673 }
2674
2675 ++$RELOAD;
2676
2677 warn "cancelling all extension coros"; 3925 trace "cancelling all extension coros";
2678 $_->cancel for values %EXT_CORO; 3926 $_->cancel for values %EXT_CORO;
2679 %EXT_CORO = (); 3927 %EXT_CORO = ();
2680 3928
2681 warn "removing commands"; 3929 trace "removing commands";
2682 %COMMAND = (); 3930 %COMMAND = ();
2683 3931
2684 warn "removing ext commands"; 3932 trace "removing ext/exti commands";
2685 %EXTCMD = (); 3933 %EXTCMD = ();
3934 %EXTICMD = ();
2686 3935
2687 warn "unloading/nuking all extensions"; 3936 trace "unloading/nuking all extensions";
2688 for my $pkg (@EXTS) { 3937 for my $pkg (@EXTS) {
2689 warn "... unloading $pkg"; 3938 trace "... unloading $pkg";
2690 3939
2691 if (my $cb = $pkg->can ("unload")) { 3940 if (my $cb = $pkg->can ("unload")) {
2692 eval { 3941 eval {
2693 $cb->($pkg); 3942 $cb->($pkg);
2694 1 3943 1
2695 } or warn "$pkg unloaded, but with errors: $@"; 3944 } or error "$pkg unloaded, but with errors: $@";
3945 }
3946
3947 trace "... clearing $pkg";
3948 clear_package $pkg;
2696 } 3949 }
2697 3950
2698 warn "... nuking $pkg";
2699 Symbol::delete_package $pkg;
2700 }
2701
2702 warn "unloading all perl modules loaded from $LIBDIR"; 3951 trace "unloading all perl modules loaded from $LIBDIR";
2703 while (my ($k, $v) = each %INC) { 3952 while (my ($k, $v) = each %INC) {
2704 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3953 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705 3954
2706 warn "... unloading $k"; 3955 trace "... unloading $k";
2707 delete $INC{$k}; 3956 delete $INC{$k};
2708 3957
2709 $k =~ s/\.pm$//; 3958 $k =~ s/\.pm$//;
2710 $k =~ s/\//::/g; 3959 $k =~ s/\//::/g;
2711 3960
2712 if (my $cb = $k->can ("unload_module")) { 3961 if (my $cb = $k->can ("unload_module")) {
2713 $cb->(); 3962 $cb->();
3963 }
3964
3965 clear_package $k;
2714 } 3966 }
2715 3967
2716 Symbol::delete_package $k;
2717 }
2718
2719 warn "getting rid of safe::, as good as possible"; 3968 trace "getting rid of safe::, as good as possible";
2720 Symbol::delete_package "safe::$_" 3969 clear_package "safe::$_"
2721 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3970 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2722 3971
2723 warn "unloading cf.pm \"a bit\""; 3972 trace "unloading cf.pm \"a bit\"";
2724 delete $INC{"cf.pm"}; 3973 delete $INC{"cf.pm"};
2725 delete $INC{"cf/pod.pm"}; 3974 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2726 3975
2727 # don't, removes xs symbols, too, 3976 # don't, removes xs symbols, too,
2728 # and global variables created in xs 3977 # and global variables created in xs
2729 #Symbol::delete_package __PACKAGE__; 3978 #clear_package __PACKAGE__;
2730 3979
2731 warn "unload completed, starting to reload now"; 3980 info "unload completed, starting to reload now";
2732 3981
2733 warn "reloading cf.pm"; 3982 trace "reloading cf.pm";
2734 require cf; 3983 require cf;
2735 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3984 cf::_connect_to_perl_1;
2736 3985
2737 warn "loading config and database again"; 3986 trace "loading config and database again";
2738 cf::cfg_load; 3987 cf::reload_config;
2739 3988
2740 warn "loading extensions"; 3989 trace "loading extensions";
2741 cf::load_extensions; 3990 cf::load_extensions;
2742 3991
3992 if ($REATTACH_ON_RELOAD) {
2743 warn "reattaching attachments to objects/players"; 3993 trace "reattaching attachments to objects/players";
2744 _global_reattach; # objects, sockets 3994 _global_reattach; # objects, sockets
2745 warn "reattaching attachments to maps"; 3995 trace "reattaching attachments to maps";
2746 reattach $_ for values %MAP; 3996 reattach $_ for values %MAP;
2747 warn "reattaching attachments to players"; 3997 trace "reattaching attachments to players";
2748 reattach $_ for values %PLAYER; 3998 reattach $_ for values %PLAYER;
3999 }
2749 4000
4001 trace "running post_init jobs";
4002 (pop @POST_INIT)->(1) while @POST_INIT;
4003
2750 warn "leaving sync_job"; 4004 trace "leaving sync_job";
2751 4005
2752 1 4006 1
2753 } or do { 4007 } or do {
2754 warn $@; 4008 error $@;
2755 warn "error while reloading, exiting."; 4009 cf::cleanup "error while reloading, exiting.";
2756 exit 1; 4010 };
4011
4012 info "reloaded";
4013 --$RELOAD;
2757 }; 4014 }
2758 4015
2759 warn "reloaded"; 4016 $t1 = AE::time - $t1;
4017 info "reload completed in ${t1}s\n";
2760}; 4018};
2761 4019
2762our $RELOAD_WATCHER; # used only during reload 4020our $RELOAD_WATCHER; # used only during reload
2763 4021
2764sub reload_perl() { 4022sub reload_perl() {
2765 # doing reload synchronously and two reloads happen back-to-back, 4023 # doing reload synchronously and two reloads happen back-to-back,
2766 # coro crashes during coro_state_free->destroy here. 4024 # coro crashes during coro_state_free->destroy here.
2767 4025
2768 $RELOAD_WATCHER ||= Event->timer ( 4026 $RELOAD_WATCHER ||= cf::async {
2769 reentrant => 0, 4027 Coro::AIO::aio_wait cache_extensions;
2770 after => 0, 4028
2771 data => WF_AUTOCANCEL, 4029 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2772 cb => sub {
2773 do_reload_perl; 4030 do_reload_perl;
2774 undef $RELOAD_WATCHER; 4031 undef $RELOAD_WATCHER;
2775 }, 4032 };
2776 ); 4033 };
2777} 4034}
2778 4035
2779register_command "reload" => sub { 4036register_command "reload" => sub {
2780 my ($who, $arg) = @_; 4037 my ($who, $arg) = @_;
2781 4038
2782 if ($who->flag (FLAG_WIZ)) { 4039 if ($who->flag (FLAG_WIZ)) {
2783 $who->message ("reloading server."); 4040 $who->message ("reloading server.");
4041 async {
4042 $Coro::current->{desc} = "perl_reload";
2784 async { reload_perl }; 4043 reload_perl;
4044 };
2785 } 4045 }
2786}; 4046};
2787 4047
2788unshift @INC, $LIBDIR; 4048#############################################################################
2789 4049
2790my $bug_warning = 0; 4050my $bug_warning = 0;
2791 4051
2792our @WAIT_FOR_TICK; 4052our @WAIT_FOR_TICK;
2793our @WAIT_FOR_TICK_BEGIN; 4053our @WAIT_FOR_TICK_BEGIN;
2794 4054
2795sub wait_for_tick { 4055sub wait_for_tick {
2796 return unless $TICK_WATCHER->is_active;
2797 return if $Coro::current == $Coro::main; 4056 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2798 4057
2799 my $signal = new Coro::Signal; 4058 my $signal = new Coro::Signal;
2800 push @WAIT_FOR_TICK, $signal; 4059 push @WAIT_FOR_TICK, $signal;
2801 $signal->wait; 4060 $signal->wait;
2802} 4061}
2803 4062
2804sub wait_for_tick_begin { 4063sub wait_for_tick_begin {
2805 return unless $TICK_WATCHER->is_active;
2806 return if $Coro::current == $Coro::main; 4064 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2807 4065
2808 my $signal = new Coro::Signal; 4066 my $signal = new Coro::Signal;
2809 push @WAIT_FOR_TICK_BEGIN, $signal; 4067 push @WAIT_FOR_TICK_BEGIN, $signal;
2810 $signal->wait; 4068 $signal->wait;
2811} 4069}
2812 4070
2813$TICK_WATCHER = Event->timer ( 4071sub tick {
2814 reentrant => 0,
2815 parked => 1,
2816 prio => 0,
2817 at => $NEXT_TICK || $TICK,
2818 data => WF_AUTOCANCEL,
2819 cb => sub {
2820 if ($Coro::current != $Coro::main) { 4072 if ($Coro::current != $Coro::main) {
2821 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4073 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822 unless ++$bug_warning > 10; 4074 unless ++$bug_warning > 10;
2823 return; 4075 return;
2824 } 4076 }
2825 4077
2826 $NOW = Event::time;
2827
2828 cf::server_tick; # one server iteration 4078 cf::server_tick; # one server iteration
2829 4079
2830 $RUNTIME += $TICK; 4080 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2831 $NEXT_TICK += $TICK;
2832 4081
2833 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4082 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834 $NEXT_RUNTIME_WRITE = $NOW + 10; 4083 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835 Coro::async_pool { 4084 Coro::async_pool {
4085 $Coro::current->{desc} = "runtime saver";
2836 write_runtime 4086 write_runtime_sync
2837 or warn "ERROR: unable to write runtime file: $!"; 4087 or error "ERROR: unable to write runtime file: $!";
2838 };
2839 } 4088 };
4089 }
2840 4090
2841# my $AFTER = Event::time;
2842# warn $AFTER - $NOW;#d#
2843
2844 # if we are delayed by four ticks or more, skip them all
2845 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847 $TICK_WATCHER->at ($NEXT_TICK);
2848 $TICK_WATCHER->start;
2849
2850 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4091 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851 $sig->send; 4092 $sig->send;
2852 } 4093 }
2853 while (my $sig = shift @WAIT_FOR_TICK) { 4094 while (my $sig = shift @WAIT_FOR_TICK) {
2854 $sig->send; 4095 $sig->send;
2855 }
2856
2857 _post_tick;
2858 }, 4096 }
2859); 4097
4098 $LOAD = ($NOW - $TICK_START) / $TICK;
4099 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4100
4101 if (0) {
4102 if ($NEXT_TICK) {
4103 my $jitter = $TICK_START - $NEXT_TICK;
4104 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4105 debug "jitter $JITTER\n";#d#
4106 }
4107 }
4108}
2860 4109
2861{ 4110{
2862 BDB::max_poll_time $TICK * 0.1; 4111 # configure BDB
2863 $BDB_POLL_WATCHER = Event->io ( 4112
2864 reentrant => 0,
2865 fd => BDB::poll_fileno,
2866 poll => 'r',
2867 prio => 0,
2868 data => WF_AUTOCANCEL,
2869 cb => \&BDB::poll_cb,
2870 );
2871 BDB::min_parallel 8; 4113 BDB::min_parallel 16;
2872 4114 BDB::max_poll_reqs $TICK * 0.1;
2873 BDB::set_sync_prepare { 4115 $AnyEvent::BDB::WATCHER->priority (1);
2874 my $status;
2875 my $current = $Coro::current;
2876 (
2877 sub {
2878 $status = $!;
2879 $current->ready; undef $current;
2880 },
2881 sub {
2882 Coro::schedule while defined $current;
2883 $! = $status;
2884 },
2885 )
2886 };
2887 4116
2888 unless ($DB_ENV) { 4117 unless ($DB_ENV) {
2889 $DB_ENV = BDB::db_env_create; 4118 $DB_ENV = BDB::db_env_create;
4119 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4120 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4121 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4122 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4123 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890 4124
2891 cf::sync_job { 4125 cf::sync_job {
2892 eval { 4126 eval {
2893 BDB::db_env_open 4127 BDB::db_env_open
2894 $DB_ENV, 4128 $DB_ENV,
… …
2896 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4130 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4131 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898 0666; 4132 0666;
2899 4133
2900 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4134 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903 $DB_ENV->set_lk_detect;
2904 }; 4135 };
2905 4136
2906 cf::cleanup "db_env_open(db): $@" if $@; 4137 cf::cleanup "db_env_open(db): $@" if $@;
2907 }; 4138 };
2908 } 4139 }
4140
4141 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4142 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4143 };
4144 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4145 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4146 };
4147 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4148 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4149 };
2909} 4150}
2910 4151
2911{ 4152{
4153 # configure IO::AIO
4154
2912 IO::AIO::min_parallel 8; 4155 IO::AIO::min_parallel 8;
2913
2914 undef $Coro::AIO::WATCHER;
2915 IO::AIO::max_poll_time $TICK * 0.1; 4156 IO::AIO::max_poll_time $TICK * 0.1;
2916 $AIO_POLL_WATCHER = Event->io ( 4157 undef $AnyEvent::AIO::WATCHER;
2917 reentrant => 0, 4158}
2918 data => WF_AUTOCANCEL, 4159
2919 fd => IO::AIO::poll_fileno, 4160my $_log_backtrace;
2920 poll => 'r', 4161
2921 prio => 6, 4162sub _log_backtrace {
2922 cb => \&IO::AIO::poll_cb, 4163 my ($msg, @addr) = @_;
2923 ); 4164
4165 $msg =~ s/\n//;
4166
4167 # limit the # of concurrent backtraces
4168 if ($_log_backtrace < 2) {
4169 ++$_log_backtrace;
4170 my $perl_bt = Carp::longmess $msg;
4171 async {
4172 $Coro::current->{desc} = "abt $msg";
4173
4174 my @bt = fork_call {
4175 @addr = map { sprintf "%x", $_ } @addr;
4176 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4177 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4178 or die "addr2line: $!";
4179
4180 my @funcs;
4181 my @res = <$fh>;
4182 chomp for @res;
4183 while (@res) {
4184 my ($func, $line) = splice @res, 0, 2, ();
4185 push @funcs, "[$func] $line";
4186 }
4187
4188 @funcs
4189 };
4190
4191 LOG llevInfo, "[ABT] $perl_bt\n";
4192 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4193 LOG llevInfo, "[ABT] $_\n" for @bt;
4194 --$_log_backtrace;
4195 };
4196 } else {
4197 LOG llevInfo, "[ABT] $msg\n";
4198 LOG llevInfo, "[ABT] [suppressed]\n";
4199 }
2924} 4200}
2925 4201
2926# load additional modules 4202# load additional modules
2927use cf::pod; 4203require "cf/$_.pm" for @EXTRA_MODULES;
4204cf::_connect_to_perl_2;
2928 4205
2929END { cf::emergency_save } 4206END { cf::emergency_save }
2930 4207
29311 42081
2932 4209

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines