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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.499 by root, Sun Jan 10 17:43:46 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 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
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $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 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 282for my $pkg (qw(
198 cf::global cf::attachable 283 cf::global cf::attachable
199 cf::object cf::object::player 284 cf::object cf::object::player
200 cf::client cf::player 285 cf::client cf::player
201 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
202 cf::map cf::party cf::region 288 cf::party cf::region
203)) { 289)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 291}
207 292
208$Event::DIED = sub { 293$EV::DIED = sub {
209 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
210}; 295};
296
297#############################################################################
211 298
212=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
213 300
214=over 4 301=over 4
215 302
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 322 $d
236 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
237} 324}
238 325
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
242 327
243Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
244 329
245=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
246 331
247Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
248 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
249=item cf::lock_wait $string 355=item cf::lock_wait $string
250 356
251Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
252 358
253=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
254 360
255Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
258returned. 364returned.
259 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
260Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
262 371
263=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
264 373
265Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
266 375
267=cut 376=cut
268 377
269our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
270 379
271sub lock_wait($) { 380sub lock_wait($) {
272 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 382}
280 383
281sub lock_acquire($) { 384sub lock_acquire($) {
282 my ($key) = @_; 385 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 386}
294 387
295sub lock_active($) { 388sub lock_active($) {
296 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 390}
300 391
301sub freeze_mainloop { 392sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
303 394
304 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
306 }; 456 }
307 $TICK_WATCHER->stop; 457};
308 $guard 458
459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
309} 471}
310 472
311=item cf::async { BLOCK } 473=item cf::async { BLOCK }
312 474
313Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
318 480
319BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
320 482
321=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
322 484
323The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
326 489
327If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
330fast or be very important. 493fast or be very important.
… …
333 496
334sub sync_job(&) { 497sub sync_job(&) {
335 my ($job) = @_; 498 my ($job) = @_;
336 499
337 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 501 my $time = EV::time;
339 502
340 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
342 505
343 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 507
345 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
346 509
347 my $busy = 1; 510 my $busy = 1;
348 my @res; 511 my @res;
349 512
350 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 515 @res = eval { $job->() };
352 warn $@ if $@; 516 warn $@ if $@;
353 undef $busy; 517 undef $busy;
354 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
355 519
356 while ($busy) { 520 while ($busy) {
357 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
358 } 525 }
526 }
359 527
360 $time = Event::time - $time; 528 my $time = EV::time - $time;
361 529
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
366 531
367 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
368 } else { 533 } else {
369 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
370 535
… …
390 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
391 556
392 $coro 557 $coro
393} 558}
394 559
395sub write_runtime { 560=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 561
398 # first touch the runtime file to show we are still running: 562Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
400 566
401 IO::AIO::aio_utime $runtime, undef, undef; 567=cut
402 568
403 my $guard = cf::lock_acquire "write_runtime"; 569sub fork_call(&@) {
570 my ($cb, @args) = @_;
404 571
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572 # we seemingly have to make a local copy of the whole thing,
406 or return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
407 575
408 my $value = $cf::RUNTIME + 90 + 10; 576 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 577 reset_signals;
410 # 60 allows for the watchdog to kill the server. 578 &$cb
579 }, @args;
411 580
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 581 wantarray ? @res : $res[-1]
413 and return; 582}
414 583
415 # always fsync - this file is important 584=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 585
419 # touch it again to show we are up-to-date 586=cut
420 aio_utime $fh, undef, undef;
421 587
422 close $fh 588our %coin_alias = (
423 or return; 589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
424 604
425 aio_rename "$runtime~", $runtime 605sub coin_from_name($) {
426 and return; 606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
427 610
428 warn "runtime file written.\n"; 611=item $value = cf::db_get $family => $key
429 612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
430 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
431} 736}
432 737
433=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
434 739
435Log a datalog packet of the given type with the given key-value pairs. 740Log a datalog packet of the given type with the given key-value pairs.
… …
447 752
448############################################################################# 753#############################################################################
449 754
450=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
451 756
452Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
455 760
456In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 763Deliantra).
459 764
460=over 4 765=over 4
461 766
462=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
463 768
… …
507=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
508 813
509Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
511 816
512Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
514 819
515These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
516 821
517=over 4 822=over 4
… …
665 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
666 } 971 }
667 972
668 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
669 } else { 974 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 976 }
672 977
673 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
674} 979}
675 980
… …
715 "; 1020 ";
716 die if $@; 1021 die if $@;
717} 1022}
718 1023
719our $override; 1024our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1026
722sub override { 1027sub override {
723 $override = 1; 1028 $override = 1;
724 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
725} 1030}
726 1031
727sub do_invoke { 1032sub do_invoke {
728 my $event = shift; 1033 my $event = shift;
729 my $callbacks = shift; 1034 my $callbacks = shift;
730 1035
731 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
732 1037
733 local $override; 1038 local $override;
734 1039
735 for (@$callbacks) { 1040 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
745 } 1050 }
746 1051
747 0 1052 0
748} 1053}
749 1054
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1056
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1058
754Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
755 1060
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1064
760=back 1065=back
761 1066
762=cut 1067=cut
763 1068
764############################################################################# 1069#############################################################################
765# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
766 1113
767sub reattach { 1114sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1116 my ($obj) = @_;
770 1117
1118 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1120
773 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
774 1122
775 @$registry = (); 1123 @$registry = ();
776 1124
… …
791cf::attachable->attach ( 1139cf::attachable->attach (
792 prio => -1000000, 1140 prio => -1000000,
793 on_instantiate => sub { 1141 on_instantiate => sub {
794 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
795 1143
796 $data = from_json $data; 1144 $data = decode_json $data;
797 1145
798 for (@$data) { 1146 for (@$data) {
799 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
800 1148
801 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1165sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
819 1167
820 sync_job { 1168 sync_job {
821 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
824 1173
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 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;
1179 aio_fsync $fh;
1180 }
829 close $fh; 1181 aio_close $fh;
830 1182
831 if (@$objs) { 1183 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 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;
1190 aio_fsync $fh;
1191 }
837 close $fh; 1192 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
839 } 1194 }
840 } else { 1195 } else {
841 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
842 } 1197 }
843 1198
844 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1203 } else {
846 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
847 } 1205 }
848 } else { 1206 } else {
849 aio_unlink $filename; 1207 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
851 } 1209 }
852 } 1210 };
853} 1211}
854 1212
855sub object_freezer_as_string { 1213sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
857 1215
… …
869 or return; 1227 or return;
870 1228
871 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
873 or return; 1231 or return;
1232
874 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
875 } 1235 }
876 1236
1237 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1239 $decname, length $data, scalar @{$av || []};
1240
879 return ($data, $av); 1241 ($data, $av)
880} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
881 1249
882############################################################################# 1250#############################################################################
883# command handling &c 1251# command handling &c
884 1252
885=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1267}
900 1268
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1270
903Register a callbackf ro execution when the client sends an extcmd packet. 1271Register a callback for execution when the client sends an (synchronous)
1272extcmd packet. Ext commands will be processed in the order they are
1273received by the server, like other user commands. The first argument is
1274the logged-in player. Ext commands can only be processed after a player
1275has logged in successfully.
904 1276
905If the callback returns something, it is sent back as if reply was being 1277If the callback returns something, it is sent back as if reply was being
906called. 1278called.
907 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
908=cut 1291=cut
909 1292
910sub register_extcmd { 1293sub register_extcmd {
911 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
912 1295
913 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
914} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
915 1306
916cf::player->attach ( 1307cf::player->attach (
917 on_command => sub { 1308 on_command => sub {
918 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
919 1310
… …
927 cf::override; 1318 cf::override;
928 }, 1319 },
929 on_extcmd => sub { 1320 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
931 1322
932 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1324
934 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
940 } else { 1340 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1342 }
943 1343
944 cf::override; 1344 cf::override;
945 }, 1345 },
946); 1346);
947 1347
1348# "readahead" all extensions
948sub load_extension { 1349sub cache_extensions {
949 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
950 1351
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 } 1355 }
976 die $@;
977 } 1356 };
978 1357
979 push @EXTS, $pkg; 1358 $grp
980} 1359}
981 1360
982sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
983 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1366 next unless -r $path;
985 eval { 1367
986 load_extension $ext; 1368 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1369 my $base = $1;
1370 my $pkg = $1;
1371 $pkg =~ s/[^[:word:]]/_/g;
1372 $pkg = "ext::$pkg";
1373
1374 open my $fh, "<:utf8", $path
1375 or die "$path: $!";
1376
1377 my $source = do { local $/; <$fh> };
1378
1379 my %ext = (
1380 path => $path,
1381 base => $base,
1382 pkg => $pkg,
1383 );
1384
1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1387
1388 $ext{source} =
1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1390 . "#line 1 \"$path\"\n{\n"
1391 . $source
1392 . "\n};\n1";
1393
1394 $todo{$base} = \%ext;
1395 }
1396
1397 my %done;
1398 while (%todo) {
1399 my $progress;
1400
1401 while (my ($k, $v) = each %todo) {
1402 for (split /,\s*/, $v->{meta}{depends}) {
1403 goto skip
1404 unless exists $done{$_};
1405 }
1406
1407 warn "... loading '$k' into '$v->{pkg}'\n";
1408
1409 unless (eval $v->{source}) {
1410 my $msg = $@ ? "$v->{path}: $@\n"
1411 : "$v->{base}: extension inactive.\n";
1412
1413 if (exists $v->{meta}{mandatory}) {
1414 warn $msg;
1415 cf::cleanup "mandatory extension failed to load, exiting.";
1416 }
1417
1418 warn $msg;
1419 }
1420
1421 $done{$k} = delete $todo{$k};
1422 push @EXTS, $v->{pkg};
1423 $progress = 1;
987 1 1424 }
988 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
989 } 1430 };
990} 1431}
991 1432
992############################################################################# 1433#############################################################################
993 1434
1435=back
1436
994=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
995 1438
996Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
997 1440
998=cut 1441=cut
999 1442
1000package cf::player; 1443package cf::player;
1001 1444
1002use Coro::AIO; 1445use Coro::AIO;
1003 1446
1004=head3 cf::player 1447=head3 cf::player
1005 1448
1006=over 4 1449=over 4
1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1007 1464
1008=item cf::player::find $login 1465=item cf::player::find $login
1009 1466
1010Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
1011 1468
… …
1030 1487
1031sub exists($) { 1488sub exists($) {
1032 my ($login) = @_; 1489 my ($login) = @_;
1033 1490
1034 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1036} 1493}
1037 1494
1038sub find($) { 1495sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1497 my $login = $_[0];
… …
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1508
1052 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1055 } 1518 }
1056 } 1519 }
1057} 1520}
1058 1521
… …
1067 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1068 1531
1069 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1071 1534
1535 cf::get_slot 0.01;
1536
1072 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1073 Coro::cede; 1538 cf::cede_to_tick;
1074} 1539}
1075 1540
1076sub new($) { 1541sub new($) {
1077 my ($login) = @_; 1542 my ($login) = @_;
1078 1543
… …
1084 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1085 1550
1086 $self 1551 $self
1087} 1552}
1088 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1089=item $pl->quit_character 1564=item $pl->quit_character
1090 1565
1091Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1093 1568
… …
1097 my ($pl) = @_; 1572 my ($pl) = @_;
1098 1573
1099 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1100 1575
1101 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1578
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1108 1585
1109 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1146 or return []; 1623 or return [];
1147 1624
1148 my @logins; 1625 my @logins;
1149 1626
1150 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1154 1637
1155 utf8::decode $login; 1638 utf8::decode $login;
1156 push @logins, $login; 1639 push @logins, $login;
1157 } 1640 }
1158 1641
… …
1185 } 1668 }
1186 1669
1187 \@paths 1670 \@paths
1188} 1671}
1189 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1190=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1191 1678
1192Sends an ext reply to the player. 1679Sends an ext reply to the player.
1193 1680
1194=cut 1681=cut
1195 1682
1196sub ext_reply($$%) { 1683sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1198 1685
1199 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1687}
1203 1688
1204=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1205 1690
1206Sends an ext event to the client. 1691Sends an ext event to the client.
1207 1692
1208=cut 1693=cut
1209 1694
1210sub ext_event($$%) { 1695sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1212 1697
1213 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1214} 1699}
1215 1700
1216=head3 cf::region 1701=head3 cf::region
1217 1702
1218=over 4 1703=over 4
… …
1221 1706
1222package cf::region; 1707package cf::region;
1223 1708
1224=item cf::region::find_by_path $path 1709=item cf::region::find_by_path $path
1225 1710
1226Tries to decuce the probable region for a map knowing only its path. 1711Tries to decuce the likely region for a map knowing only its path.
1227 1712
1228=cut 1713=cut
1229 1714
1230sub find_by_path($) { 1715sub find_by_path($) {
1231 my ($path) = @_; 1716 my ($path) = @_;
1232 1717
1233 my ($match, $specificity); 1718 my ($match, $specificity);
1234 1719
1235 for my $region (list) { 1720 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1239 } 1724 }
1240 } 1725 }
1241 1726
… …
1262our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1264 1749
1265sub generate_random_map { 1750sub generate_random_map {
1266 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754
1267 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1756 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1361 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1362 return $self; 1850 return $self;
1363 } 1851 }
1364 } 1852 }
1365 1853
1366 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1367 () 1855 ()
1368} 1856}
1369 1857
1370sub init { 1858sub init {
1371 my ($self) = @_; 1859 my ($self) = @_;
… …
1393 1881
1394# the temporary/swap location 1882# the temporary/swap location
1395sub save_path { 1883sub save_path {
1396 my ($self) = @_; 1884 my ($self) = @_;
1397 1885
1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1400} 1888}
1401 1889
1402# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1403sub uniq_path { 1891sub uniq_path {
1404 my ($self) = @_; 1892 my ($self) = @_;
1405 1893
1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1408}
1409
1410# and all this just because we cannot iterate over
1411# all maps in C++...
1412sub change_all_map_light {
1413 my ($change) = @_;
1414
1415 $_->change_map_light ($change)
1416 for grep $_->outdoor, values %cf::MAP;
1417} 1896}
1418 1897
1419sub decay_objects { 1898sub decay_objects {
1420 my ($self) = @_; 1899 my ($self) = @_;
1421 1900
… …
1434 1913
1435sub load_header_from($) { 1914sub load_header_from($) {
1436 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1437 1916
1438 utf8::encode $path; 1917 utf8::encode $path;
1439 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1440 # or return;
1441
1442 $self->_load_header ($path)
1443 or return; 1919 or return;
1920
1921 $self->_load_header ($f)
1922 or return;
1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1444 1926
1445 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1446 1928
1447 1 1929 1
1448} 1930}
… …
1502sub find { 1984sub find {
1503 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1504 1986
1505 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1506 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1508 1991
1509 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1510 my $guard = cf::lock_acquire "map_find:$path";
1511 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1512 or return; 1994 or return;
1513 1995
1514 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1515 1997
… …
1517 or return; 1999 or return;
1518 2000
1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1521 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1522 $map->reset; 2006 $map->reset;
1523 undef $guard;
1524 return find $path; 2007 return find $path;
1525 } 2008 }
1526 2009
1527 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1528 } 2011 }
… …
1537 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1538 2021
1539 my $path = $self->{path}; 2022 my $path = $self->{path};
1540 2023
1541 { 2024 {
1542 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1543 2026
2027 return unless $self->valid;
1544 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1545 2029
1546 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1547 2031
1548 $self->alloc; 2032 $self->alloc;
1549 2033
1550 $self->pre_load; 2034 $self->pre_load;
1551 Coro::cede; 2035 cf::cede_to_tick;
1552 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1553 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1554 or return; 2040 or return;
1555 2041
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1557 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1558 2044
1559 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq; 2046 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1562 $self->clear_unique_items; 2049 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1564 } 2053 }
1565 } 2054 }
1566 2055
1567 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1568 # now do the right thing for maps 2059 # now do the right thing for maps
1569 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1570 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1571 unless $self->difficulty; 2062 unless $self->difficulty;
1572 Coro::cede; 2063 cf::cede_to_tick;
1573 2064
1574 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1575 $self->decay_objects; 2066 $self->decay_objects;
1576 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1577 $self->update_buttons; 2068 $self->update_buttons;
1578 Coro::cede; 2069 cf::cede_to_tick;
1579 $self->set_darkness_map;
1580 Coro::cede;
1581 $self->activate; 2070 $self->activate;
1582 } 2071 }
1583 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1584 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1585 } 2077 }
1586 2078
1587 $self->post_load; 2079 $self->post_load;
1588} 2080}
1589 2081
… …
1598 2090
1599 $self 2091 $self
1600} 2092}
1601 2093
1602# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1603sub load_diag { 2095sub load_neighbours {
1604 my ($map) = @_; 2096 my ($map) = @_;
1605 2097
1606 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1607 2099
1608 for (0 .. 3) { 2100 for (0 .. 3) {
1609 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1610 or next; 2102 or next;
1611 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1612 or next; 2104 or next;
1613 $neigh->load; 2105 $neigh->load;
1614 2106
2107 push @neigh,
1615 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1617 } 2110 }
1618 2111
1619 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1620 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1621 or next; 2115 or next;
1622 $neigh->load; 2116 $neigh->load;
1623 } 2117 }
1624} 2118}
1625 2119
… …
1630} 2124}
1631 2125
1632sub do_load_sync { 2126sub do_load_sync {
1633 my ($map) = @_; 2127 my ($map) = @_;
1634 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1635 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1636} 2133}
1637 2134
1638our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1639our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1640 2137
1641sub find_async { 2138sub find_async {
1642 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1643 2140
1644 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1645 2142
1646 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648 } 2145 }
1649 2146
1650 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1651 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1652 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1654 my $map = find $path 2154 if (my $map = find $k) {
1655 or next;
1656 $map->load; 2155 $map->load if $v;
2156 }
1657 2157
1658 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1659 } 2159 }
1660 } 2160 }
1661 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1662 }; 2162 };
1663 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1666} 2166}
1667 2167
1668sub save { 2168sub save {
1669 my ($self) = @_; 2169 my ($self) = @_;
1670 2170
1671 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2172
1673 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1674 2174
1675 return unless $self->dirty; 2175 return unless $self->dirty;
1676 2176
… …
1682 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1683 2183
1684 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1685 2185
1686 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1687 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1688 }; 2189 };
2190
2191 cf::get_slot 0.02;
1689 2192
1690 if ($uniq) { 2193 if ($uniq) {
1691 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1693 } else { 2196 } else {
… …
1699 my ($self) = @_; 2202 my ($self) = @_;
1700 2203
1701 # save first because save cedes 2204 # save first because save cedes
1702 $self->save; 2205 $self->save;
1703 2206
1704 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1705 2208
1706 return if $self->players; 2209 return if $self->players;
1707 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1708 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1709 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2217 $self->clear;
1711 $self->in_memory (cf::MAP_SWAPPED);
1712} 2218}
1713 2219
1714sub reset_at { 2220sub reset_at {
1715 my ($self) = @_; 2221 my ($self) = @_;
1716 2222
… …
1734 2240
1735 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1736 2242
1737 return if $self->players; 2243 return if $self->players;
1738 2244
1739 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
1740 2246
1741 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1742 2248
1743 # need to save uniques path 2249 # need to save uniques path
1744 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1748 if $uniq; 2254 if $uniq;
1749 } 2255 }
1750 2256
1751 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1752 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1753 $self->clear; 2261 $self->clear;
1754
1755 $_->clear_links_to ($self) for values %cf::MAP;
1756 2262
1757 $self->unlink_save; 2263 $self->unlink_save;
1758 $self->destroy; 2264 $self->destroy;
1759} 2265}
1760 2266
1761my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1762 2268
1763sub nuke { 2269sub nuke {
1764 my ($self) = @_; 2270 my ($self) = @_;
1765 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1766 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1767 2276
1768 $self->unlink_save; 2277 $self->unlink_save;
1769 2278
1770 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1771 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1772 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1773 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775 2284
1776 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1777 2287
1778 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
2289}
2290
2291=item $maps = cf::map::tmp_maps
2292
2293Returns an arrayref with all map paths of currently instantiated and saved
2294maps. May block.
2295
2296=cut
2297
2298sub tmp_maps() {
2299 [
2300 map {
2301 utf8::decode $_;
2302 /\.map$/
2303 ? normalise $_
2304 : ()
2305 } @{ aio_readdir $TMPDIR or [] }
2306 ]
2307}
2308
2309=item $maps = cf::map::random_maps
2310
2311Returns an arrayref with all map paths of currently instantiated and saved
2312random maps. May block.
2313
2314=cut
2315
2316sub random_maps() {
2317 [
2318 map {
2319 utf8::decode $_;
2320 /\.map$/
2321 ? normalise "?random/$_"
2322 : ()
2323 } @{ aio_readdir $RANDOMDIR or [] }
2324 ]
1779} 2325}
1780 2326
1781=item cf::map::unique_maps 2327=item cf::map::unique_maps
1782 2328
1783Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1784instantiated unique items. May block. 2330instantiated unique items. May block.
1785 2331
1786=cut 2332=cut
1787 2333
1788sub unique_maps() { 2334sub unique_maps() {
1789 my $files = aio_readdir $UNIQUEDIR 2335 [
1790 or return; 2336 map {
1791
1792 my @paths;
1793
1794 for (@$files) {
1795 utf8::decode $_; 2337 utf8::decode $_;
1796 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1797 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798 2340 ? ()
1799 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1800 } 2343 ]
1801
1802 \@paths
1803} 2344}
1804 2345
1805package cf; 2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory excluding F</styles> and F</editor>). May
2350block.
2351
2352=cut
2353
2354sub static_maps() {
2355 my @dirs = "";
2356 my @maps;
2357
2358 while (@dirs) {
2359 my $dir = shift @dirs;
2360
2361 next if $dir eq "/styles" || $dir eq "/editor";
2362
2363 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2364 or return;
2365
2366 for (@$files) {
2367 s/\.map$// or next;
2368 utf8::decode $_;
2369 push @maps, "$dir/$_";
2370 }
2371
2372 push @dirs, map "$dir/$_", @$dirs;
2373 }
2374
2375 \@maps
2376}
1806 2377
1807=back 2378=back
1808 2379
1809=head3 cf::object 2380=head3 cf::object
1810 2381
… …
1814 2385
1815=over 4 2386=over 4
1816 2387
1817=item $ob->inv_recursive 2388=item $ob->inv_recursive
1818 2389
1819Returns the inventory of the object _and_ their inventories, recursively. 2390Returns the inventory of the object I<and> their inventories, recursively,
2391but I<not> the object itself.
1820 2392
1821=cut 2393=cut
1822 2394
1823sub inv_recursive_; 2395sub inv_recursive_;
1824sub inv_recursive_ { 2396sub inv_recursive_ {
… …
1827 2399
1828sub inv_recursive { 2400sub inv_recursive {
1829 inv_recursive_ inv $_[0] 2401 inv_recursive_ inv $_[0]
1830} 2402}
1831 2403
2404=item $ref = $ob->ref
2405
2406Creates and returns a persistent reference to an object that can be stored as a string.
2407
2408=item $ob = cf::object::deref ($refstring)
2409
2410returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2411even if the object actually exists. May block.
2412
2413=cut
2414
2415sub deref {
2416 my ($ref) = @_;
2417
2418 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2419 my ($uuid, $name) = ($1, $2);
2420 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2421 or return;
2422 $pl->ob->uuid eq $uuid
2423 or return;
2424
2425 $pl->ob
2426 } else {
2427 warn "$ref: cannot resolve object reference\n";
2428 undef
2429 }
2430}
2431
1832package cf; 2432package cf;
1833 2433
1834=back 2434=back
1835 2435
1836=head3 cf::object::player 2436=head3 cf::object::player
… …
1842Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2442Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843can be C<undef>. Does the right thing when the player is currently in a 2443can be C<undef>. Does the right thing when the player is currently in a
1844dialogue with the given NPC character. 2444dialogue with the given NPC character.
1845 2445
1846=cut 2446=cut
2447
2448our $SAY_CHANNEL = {
2449 id => "say",
2450 title => "Map",
2451 reply => "say ",
2452 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2453};
2454
2455our $CHAT_CHANNEL = {
2456 id => "chat",
2457 title => "Chat",
2458 reply => "chat ",
2459 tooltip => "Player chat and shouts, global to the server.",
2460};
1847 2461
1848# rough implementation of a future "reply" method that works 2462# rough implementation of a future "reply" method that works
1849# with dialog boxes. 2463# with dialog boxes.
1850#TODO: the first argument must go, split into a $npc->reply_to ( method 2464#TODO: the first argument must go, split into a $npc->reply_to ( method
1851sub cf::object::player::reply($$$;$) { 2465sub cf::object::player::reply($$$;$) {
… …
1853 2467
1854 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2468 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855 2469
1856 if ($self->{record_replies}) { 2470 if ($self->{record_replies}) {
1857 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2471 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2472
1858 } else { 2473 } else {
2474 my $pl = $self->contr;
2475
2476 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2477 my $dialog = $pl->{npc_dialog};
2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479
2480 } else {
1859 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
1860 $self->message ($msg, $flags); 2482 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483 }
1861 } 2484 }
2485}
2486
2487=item $object->send_msg ($channel, $msg, $color, [extra...])
2488
2489=cut
2490
2491sub cf::object::send_msg {
2492 my $pl = shift->contr
2493 or return;
2494 $pl->send_msg (@_);
1862} 2495}
1863 2496
1864=item $player_object->may ("access") 2497=item $player_object->may ("access")
1865 2498
1866Returns wether the given player is authorized to access resource "access" 2499Returns wether the given player is authorized to access resource "access"
… …
1879 2512
1880=item $player_object->enter_link 2513=item $player_object->enter_link
1881 2514
1882Freezes the player and moves him/her to a special map (C<{link}>). 2515Freezes the player and moves him/her to a special map (C<{link}>).
1883 2516
1884The player should be reasonably safe there for short amounts of time. You 2517The player should be reasonably safe there for short amounts of time (e.g.
1885I<MUST> call C<leave_link> as soon as possible, though. 2518for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2519though, as the palyer cannot control the character while it is on the link
2520map.
1886 2521
1887Will never block. 2522Will never block.
1888 2523
1889=item $player_object->leave_link ($map, $x, $y) 2524=item $player_object->leave_link ($map, $x, $y)
1890 2525
… …
1942 ($x, $y) = (-1, -1) 2577 ($x, $y) = (-1, -1)
1943 unless (defined $x) && (defined $y); 2578 unless (defined $x) && (defined $y);
1944 2579
1945 # use -1 or undef as default coordinates, not 0, 0 2580 # use -1 or undef as default coordinates, not 0, 0
1946 ($x, $y) = ($map->enter_x, $map->enter_y) 2581 ($x, $y) = ($map->enter_x, $map->enter_y)
1947 if $x <=0 && $y <= 0; 2582 if $x <= 0 && $y <= 0;
1948 2583
1949 $map->load; 2584 $map->load;
1950 $map->load_diag; 2585 $map->load_neighbours;
1951 2586
1952 return unless $self->contr->active; 2587 return unless $self->contr->active;
1953 $self->activate_recursive;
1954 2588
1955 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2589 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956 $self->enter_map ($map, $x, $y); 2590 $self->enter_map ($map, $x, $y);
1957}
1958 2591
2592 # only activate afterwards, to support waiting in hooks
2593 $self->activate_recursive;
2594}
2595
1959=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2596=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960 2597
1961Moves the player to the given map-path and coordinates by first freezing 2598Moves the player to the given map-path and coordinates by first freezing
1962her, loading and preparing them map, calling the provided $check callback 2599her, loading and preparing them map, calling the provided $check callback
1963that has to return the map if sucecssful, and then unfreezes the player on 2600that has to return the map if sucecssful, and then unfreezes the player on
1964the new (success) or old (failed) map position. 2601the new (success) or old (failed) map position. In either case, $done will
2602be called at the end of this process.
2603
2604Note that $check will be called with a potentially non-loaded map, so if
2605it needs a loaded map it has to call C<< ->load >>.
1965 2606
1966=cut 2607=cut
1967 2608
1968our $GOTOGEN; 2609our $GOTOGEN;
1969 2610
1970sub cf::object::player::goto { 2611sub cf::object::player::goto {
1971 my ($self, $path, $x, $y, $check) = @_; 2612 my ($self, $path, $x, $y, $check, $done) = @_;
1972 2613
1973 # do generation counting so two concurrent goto's will be executed in-order 2614 # do generation counting so two concurrent goto's will be executed in-order
1974 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2615 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975 2616
1976 $self->enter_link; 2617 $self->enter_link;
1977 2618
1978 (async { 2619 (async {
2620 $Coro::current->{desc} = "player::goto $path $x $y";
2621
2622 # *tag paths override both path and x|y
2623 if ($path =~ /^\*(.*)$/) {
2624 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2625 my $ob = $obs[rand @obs];
2626
2627 # see if we actually can go there
2628 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2629 $ob = $obs[rand @obs];
2630 } else {
2631 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2632 }
2633 # else put us there anyways for now #d#
2634
2635 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2636 } else {
2637 ($path, $x, $y) = (undef, undef, undef);
2638 }
2639 }
2640
1979 my $map = eval { 2641 my $map = eval {
1980 my $map = cf::map::find $path; 2642 my $map = defined $path ? cf::map::find $path : undef;
1981 2643
1982 if ($map) { 2644 if ($map) {
1983 $map = $map->customise_for ($self); 2645 $map = $map->customise_for ($self);
1984 $map = $check->($map) if $check && $map; 2646 $map = $check->($map) if $check && $map;
1985 } else { 2647 } else {
1986 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2648 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987 } 2649 }
1988 2650
1989 $map 2651 $map
1990 }; 2652 };
1991 2653
… …
1996 2658
1997 if ($gen == $self->{_goto_generation}) { 2659 if ($gen == $self->{_goto_generation}) {
1998 delete $self->{_goto_generation}; 2660 delete $self->{_goto_generation};
1999 $self->leave_link ($map, $x, $y); 2661 $self->leave_link ($map, $x, $y);
2000 } 2662 }
2663
2664 $done->() if $done;
2001 })->prio (1); 2665 })->prio (1);
2002} 2666}
2003 2667
2004=item $player_object->enter_exit ($exit_object) 2668=item $player_object->enter_exit ($exit_object)
2005 2669
… …
2025} 2689}
2026 2690
2027sub prepare_random_map { 2691sub prepare_random_map {
2028 my ($exit) = @_; 2692 my ($exit) = @_;
2029 2693
2030 my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032 # all this does is basically replace the /! path by 2694 # all this does is basically replace the /! path by
2033 # a new random map path (?random/...) with a seed 2695 # a new random map path (?random/...) with a seed
2034 # that depends on the exit object 2696 # that depends on the exit object
2035 2697
2036 my $rmp = parse_random_map_params $exit->msg; 2698 my $rmp = parse_random_map_params $exit->msg;
… …
2038 if ($exit->map) { 2700 if ($exit->map) {
2039 $rmp->{region} = $exit->region->name; 2701 $rmp->{region} = $exit->region->name;
2040 $rmp->{origin_map} = $exit->map->path; 2702 $rmp->{origin_map} = $exit->map->path;
2041 $rmp->{origin_x} = $exit->x; 2703 $rmp->{origin_x} = $exit->x;
2042 $rmp->{origin_y} = $exit->y; 2704 $rmp->{origin_y} = $exit->y;
2705
2706 $exit->map->touch;
2043 } 2707 }
2044 2708
2045 $rmp->{random_seed} ||= $exit->random_seed; 2709 $rmp->{random_seed} ||= $exit->random_seed;
2046 2710
2047 my $data = cf::to_json $rmp; 2711 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048 my $md5 = Digest::MD5::md5_hex $data; 2712 my $md5 = Digest::MD5::md5_hex $data;
2049 my $meta = "$RANDOMDIR/$md5.meta"; 2713 my $meta = "$RANDOMDIR/$md5.meta";
2050 2714
2051 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2715 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052 aio_write $fh, 0, (length $data), $data, 0; 2716 aio_write $fh, 0, (length $data), $data, 0;
2053 undef $fh; 2717 undef $fh;
2054 aio_rename "$meta~", $meta; 2718 aio_rename "$meta~", $meta;
2055 2719
2720 my $slaying = "?random/$md5";
2721
2722 if ($exit->valid) {
2056 $exit->slaying ("?random/$md5"); 2723 $exit->slaying ("?random/$md5");
2057 $exit->msg (undef); 2724 $exit->msg (undef);
2725 }
2058 } 2726 }
2059} 2727}
2060 2728
2061sub cf::object::player::enter_exit { 2729sub cf::object::player::enter_exit {
2062 my ($self, $exit) = @_; 2730 my ($self, $exit) = @_;
2063 2731
2064 return unless $self->type == cf::PLAYER; 2732 return unless $self->type == cf::PLAYER;
2065 2733
2066 if ($exit->slaying eq "/!") {
2067 #TODO: this should de-fi-ni-te-ly not be a sync-job
2068 # the problem is that $exit might not survive long enough
2069 # so it needs to be done right now, right here
2070 cf::sync_job { prepare_random_map $exit };
2071 }
2072
2073 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074 my $hp = $exit->stats->hp;
2075 my $sp = $exit->stats->sp;
2076
2077 $self->enter_link; 2734 $self->enter_link;
2078 2735
2079 (async { 2736 (async {
2080 $self->deactivate_recursive; # just to be sure 2737 $Coro::current->{desc} = "enter_exit";
2738
2081 unless (eval { 2739 unless (eval {
2740 $self->deactivate_recursive; # just to be sure
2741
2742 # random map handling
2743 {
2744 my $guard = cf::lock_acquire "exit_prepare:$exit";
2745
2746 prepare_random_map $exit
2747 if $exit->slaying eq "/!";
2748 }
2749
2750 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2751 my $x = $exit->stats->hp;
2752 my $y = $exit->stats->sp;
2753
2082 $self->goto ($slaying, $hp, $sp); 2754 $self->goto ($map, $x, $y);
2083 2755
2756 # if exit is damned, update players death & WoR home-position
2757 $self->contr->savebed ($map, $x, $y)
2758 if $exit->flag (cf::FLAG_DAMNED);
2759
2084 1; 2760 1
2085 }) { 2761 }) {
2086 $self->message ("Something went wrong deep within the crossfire server. " 2762 $self->message ("Something went wrong deep within the deliantra server. "
2087 . "I'll try to bring you back to the map you were before. " 2763 . "I'll try to bring you back to the map you were before. "
2088 . "Please report this to the dungeon master!", 2764 . "Please report this to the dungeon master!",
2089 cf::NDI_UNIQUE | cf::NDI_RED); 2765 cf::NDI_UNIQUE | cf::NDI_RED);
2090 2766
2091 warn "ERROR in enter_exit: $@"; 2767 warn "ERROR in enter_exit: $@";
… …
2110 2786
2111 utf8::encode $text; 2787 utf8::encode $text;
2112 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2788 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113} 2789}
2114 2790
2791=item $client->send_big_packet ($pkt)
2792
2793Like C<send_packet>, but tries to compress large packets, and fragments
2794them as required.
2795
2796=cut
2797
2798our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2799
2800sub cf::client::send_big_packet {
2801 my ($self, $pkt) = @_;
2802
2803 # try lzf for large packets
2804 $pkt = "lzf " . Compress::LZF::compress $pkt
2805 if 1024 <= length $pkt and $self->{can_lzf};
2806
2807 # split very large packets
2808 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2809 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2810 $pkt = "frag";
2811 }
2812
2813 $self->send_packet ($pkt);
2814}
2815
2816=item $client->send_msg ($channel, $msg, $color, [extra...])
2817
2818Send a drawinfo or msg packet to the client, formatting the msg for the
2819client if neccessary. C<$type> should be a string identifying the type of
2820the message, with C<log> being the default. If C<$color> is negative, suppress
2821the message unless the client supports the msg packet.
2822
2823=cut
2824
2825# non-persistent channels (usually the info channel)
2826our %CHANNEL = (
2827 "c/motd" => {
2828 id => "infobox",
2829 title => "MOTD",
2830 reply => undef,
2831 tooltip => "The message of the day",
2832 },
2833 "c/identify" => {
2834 id => "infobox",
2835 title => "Identify",
2836 reply => undef,
2837 tooltip => "Items recently identified",
2838 },
2839 "c/examine" => {
2840 id => "infobox",
2841 title => "Examine",
2842 reply => undef,
2843 tooltip => "Signs and other items you examined",
2844 },
2845 "c/shopinfo" => {
2846 id => "infobox",
2847 title => "Shop Info",
2848 reply => undef,
2849 tooltip => "What your bargaining skill tells you about the shop",
2850 },
2851 "c/book" => {
2852 id => "infobox",
2853 title => "Book",
2854 reply => undef,
2855 tooltip => "The contents of a note or book",
2856 },
2857 "c/lookat" => {
2858 id => "infobox",
2859 title => "Look",
2860 reply => undef,
2861 tooltip => "What you saw there",
2862 },
2863 "c/who" => {
2864 id => "infobox",
2865 title => "Players",
2866 reply => undef,
2867 tooltip => "Shows players who are currently online",
2868 },
2869 "c/body" => {
2870 id => "infobox",
2871 title => "Body Parts",
2872 reply => undef,
2873 tooltip => "Shows which body parts you posess and are available",
2874 },
2875 "c/statistics" => {
2876 id => "infobox",
2877 title => "Statistics",
2878 reply => undef,
2879 tooltip => "Shows your primary statistics",
2880 },
2881 "c/skills" => {
2882 id => "infobox",
2883 title => "Skills",
2884 reply => undef,
2885 tooltip => "Shows your experience per skill and item power",
2886 },
2887 "c/shopitems" => {
2888 id => "infobox",
2889 title => "Shop Items",
2890 reply => undef,
2891 tooltip => "Shows the items currently for sale in this shop",
2892 },
2893 "c/resistances" => {
2894 id => "infobox",
2895 title => "Resistances",
2896 reply => undef,
2897 tooltip => "Shows your resistances",
2898 },
2899 "c/pets" => {
2900 id => "infobox",
2901 title => "Pets",
2902 reply => undef,
2903 tooltip => "Shows information abotu your pets/a specific pet",
2904 },
2905 "c/perceiveself" => {
2906 id => "infobox",
2907 title => "Perceive Self",
2908 reply => undef,
2909 tooltip => "You gained detailed knowledge about yourself",
2910 },
2911 "c/uptime" => {
2912 id => "infobox",
2913 title => "Uptime",
2914 reply => undef,
2915 tooltip => "How long the server has been running since last restart",
2916 },
2917 "c/mapinfo" => {
2918 id => "infobox",
2919 title => "Map Info",
2920 reply => undef,
2921 tooltip => "Information related to the maps",
2922 },
2923 "c/party" => {
2924 id => "party",
2925 title => "Party",
2926 reply => "gsay ",
2927 tooltip => "Messages and chat related to your party",
2928 },
2929 "c/death" => {
2930 id => "death",
2931 title => "Death",
2932 reply => undef,
2933 tooltip => "Reason for and more info about your most recent death",
2934 },
2935 "c/say" => $SAY_CHANNEL,
2936 "c/chat" => $CHAT_CHANNEL,
2937);
2938
2939sub cf::client::send_msg {
2940 my ($self, $channel, $msg, $color, @extra) = @_;
2941
2942 $msg = $self->pl->expand_cfpod ($msg)
2943 unless $color & cf::NDI_VERBATIM;
2944
2945 $color &= cf::NDI_CLIENT_MASK; # just in case...
2946
2947 # check predefined channels, for the benefit of C
2948 if ($CHANNEL{$channel}) {
2949 $channel = $CHANNEL{$channel};
2950
2951 $self->ext_msg (channel_info => $channel);
2952 $channel = $channel->{id};
2953
2954 } elsif (ref $channel) {
2955 # send meta info to client, if not yet sent
2956 unless (exists $self->{channel}{$channel->{id}}) {
2957 $self->{channel}{$channel->{id}} = $channel;
2958 $self->ext_msg (channel_info => $channel);
2959 }
2960
2961 $channel = $channel->{id};
2962 }
2963
2964 return unless @extra || length $msg;
2965
2966 # default colour, mask it out
2967 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2968 if $color & cf::NDI_DEF;
2969
2970 my $pkt = "msg "
2971 . $self->{json_coder}->encode (
2972 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2973 );
2974
2975 $self->send_big_packet ($pkt);
2976}
2977
2115=item $client->ext_event ($type, %msg) 2978=item $client->ext_msg ($type, @msg)
2116 2979
2117Sends an exti event to the client. 2980Sends an ext event to the client.
2118 2981
2119=cut 2982=cut
2120 2983
2121sub cf::client::ext_event($$%) { 2984sub cf::client::ext_msg($$@) {
2122 my ($self, $type, %msg) = @_; 2985 my ($self, $type, @msg) = @_;
2123 2986
2987 if ($self->extcmd == 2) {
2988 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2989 } elsif ($self->extcmd == 1) { # TODO: remove
2124 $msg{msgtype} = "event_$type"; 2990 push @msg, msgtype => "event_$type";
2125 $self->send_packet ("ext " . cf::to_json \%msg); 2991 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2992 }
2993}
2994
2995=item $client->ext_reply ($msgid, @msg)
2996
2997Sends an ext reply to the client.
2998
2999=cut
3000
3001sub cf::client::ext_reply($$@) {
3002 my ($self, $id, @msg) = @_;
3003
3004 if ($self->extcmd == 2) {
3005 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3006 } elsif ($self->extcmd == 1) {
3007 #TODO: version 1, remove
3008 unshift @msg, msgtype => "reply", msgid => $id;
3009 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3010 }
2126} 3011}
2127 3012
2128=item $success = $client->query ($flags, "text", \&cb) 3013=item $success = $client->query ($flags, "text", \&cb)
2129 3014
2130Queues a query to the client, calling the given callback with 3015Queues a query to the client, calling the given callback with
2131the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3016the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3017C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133 3018
2134Queries can fail, so check the return code. Or don't, as queries will become 3019Queries can fail, so check the return code. Or don't, as queries will
2135reliable at some point in the future. 3020become reliable at some point in the future.
2136 3021
2137=cut 3022=cut
2138 3023
2139sub cf::client::query { 3024sub cf::client::query {
2140 my ($self, $flags, $text, $cb) = @_; 3025 my ($self, $flags, $text, $cb) = @_;
… …
2148 utf8::encode $text; 3033 utf8::encode $text;
2149 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3034 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150 3035
2151 $self->send_packet ($self->{query_queue}[0][0]) 3036 $self->send_packet ($self->{query_queue}[0][0])
2152 if @{ $self->{query_queue} } == 1; 3037 if @{ $self->{query_queue} } == 1;
3038
3039 1
2153} 3040}
2154 3041
2155cf::client->attach ( 3042cf::client->attach (
3043 on_connect => sub {
3044 my ($ns) = @_;
3045
3046 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3047 },
2156 on_reply => sub { 3048 on_reply => sub {
2157 my ($ns, $msg) = @_; 3049 my ($ns, $msg) = @_;
2158 3050
2159 # this weird shuffling is so that direct followup queries 3051 # this weird shuffling is so that direct followup queries
2160 # get handled first 3052 # get handled first
… …
2172 } else { 3064 } else {
2173 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3065 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174 } 3066 }
2175 } 3067 }
2176 }, 3068 },
3069 on_exticmd => sub {
3070 my ($ns, $buf) = @_;
3071
3072 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3073
3074 if (ref $msg) {
3075 my ($type, $reply, @payload) =
3076 "ARRAY" eq ref $msg
3077 ? @$msg
3078 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3079
3080 my @reply;
3081
3082 if (my $cb = $EXTICMD{$type}) {
3083 @reply = $cb->($ns, @payload);
3084 }
3085
3086 $ns->ext_reply ($reply, @reply)
3087 if $reply;
3088
3089 } else {
3090 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3091 }
3092
3093 cf::override;
3094 },
2177); 3095);
2178 3096
2179=item $client->async (\&cb) 3097=item $client->async (\&cb)
2180 3098
2181Create a new coroutine, running the specified callback. The coroutine will 3099Create a new coroutine, running the specified callback. The coroutine will
… …
2222our $safe = new Safe "safe"; 3140our $safe = new Safe "safe";
2223our $safe_hole = new Safe::Hole; 3141our $safe_hole = new Safe::Hole;
2224 3142
2225$SIG{FPE} = 'IGNORE'; 3143$SIG{FPE} = 'IGNORE';
2226 3144
2227$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3145$safe->permit_only (Opcode::opset qw(
3146 :base_core :base_mem :base_orig :base_math :base_loop
3147 grepstart grepwhile mapstart mapwhile
3148 sort time
3149));
2228 3150
2229# here we export the classes and methods available to script code 3151# here we export the classes and methods available to script code
2230 3152
2231=pod 3153=pod
2232 3154
2233The following functions and methods are available within a safe environment: 3155The following functions and methods are available within a safe environment:
2234 3156
2235 cf::object contr pay_amount pay_player map 3157 cf::object
3158 contr pay_amount pay_player map x y force_find force_add destroy
3159 insert remove name archname title slaying race decrease split
3160 value
3161
2236 cf::object::player player 3162 cf::object::player
2237 cf::player peaceful 3163 player
2238 cf::map trigger 3164
3165 cf::player
3166 peaceful
3167
3168 cf::map
3169 trigger
2239 3170
2240=cut 3171=cut
2241 3172
2242for ( 3173for (
2243 ["cf::object" => qw(contr pay_amount pay_player map)], 3174 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3175 insert remove inv nrof name archname title slaying race
3176 decrease split destroy change_exp value msg lore send_msg)],
2244 ["cf::object::player" => qw(player)], 3177 ["cf::object::player" => qw(player)],
2245 ["cf::player" => qw(peaceful)], 3178 ["cf::player" => qw(peaceful send_msg)],
2246 ["cf::map" => qw(trigger)], 3179 ["cf::map" => qw(trigger)],
2247) { 3180) {
2248 no strict 'refs'; 3181 no strict 'refs';
2249 my ($pkg, @funs) = @$_; 3182 my ($pkg, @funs) = @$_;
2250 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3183 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2268 3201
2269 my $qcode = $code; 3202 my $qcode = $code;
2270 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3203 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2271 $qcode =~ s/\n/\\n/g; 3204 $qcode =~ s/\n/\\n/g;
2272 3205
3206 %vars = (_dummy => 0) unless %vars;
3207
3208 my @res;
2273 local $_; 3209 local $_;
2274 local @safe::cf::_safe_eval_args = values %vars;
2275 3210
2276 my $eval = 3211 my $eval =
2277 "do {\n" 3212 "do {\n"
2278 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3213 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279 . "#line 0 \"{$qcode}\"\n" 3214 . "#line 0 \"{$qcode}\"\n"
2280 . $code 3215 . $code
2281 . "\n}" 3216 . "\n}"
2282 ; 3217 ;
2283 3218
3219 if ($CFG{safe_eval}) {
2284 sub_generation_inc; 3220 sub_generation_inc;
3221 local @safe::cf::_safe_eval_args = values %vars;
2285 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3222 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286 sub_generation_inc; 3223 sub_generation_inc;
3224 } else {
3225 local @cf::_safe_eval_args = values %vars;
3226 @res = wantarray ? eval eval : scalar eval $eval;
3227 }
2287 3228
2288 if ($@) { 3229 if ($@) {
2289 warn "$@"; 3230 warn "$@";
2290 warn "while executing safe code '$code'\n"; 3231 warn "while executing safe code '$code'\n";
2291 warn "with arguments " . (join " ", %vars) . "\n"; 3232 warn "with arguments " . (join " ", %vars) . "\n";
… …
2319=back 3260=back
2320 3261
2321=cut 3262=cut
2322 3263
2323############################################################################# 3264#############################################################################
2324
2325=head2 EXTENSION DATABASE SUPPORT
2326
2327Crossfire maintains a very simple database for extension use. It can
2328currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329convert to/from binary).
2330
2331The parameter C<$family> should best start with the name of the extension
2332using it, it should be unique.
2333
2334=over 4
2335
2336=item $value = cf::db_get $family => $key
2337
2338Returns a single value from the database.
2339
2340=item cf::db_put $family => $key => $value
2341
2342Stores the given C<$value> in the family.
2343
2344=cut
2345
2346our $DB;
2347
2348sub db_init {
2349 unless ($DB) {
2350 $DB = BDB::db_create $DB_ENV;
2351
2352 cf::sync_job {
2353 eval {
2354 $DB->set_flags (BDB::CHKSUM);
2355
2356 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358 cf::cleanup "db_open(db): $!" if $!;
2359 };
2360 cf::cleanup "db_open(db): $@" if $@;
2361 };
2362 }
2363}
2364
2365sub db_get($$) {
2366 my $key = "$_[0]/$_[1]";
2367
2368 cf::sync_job {
2369 BDB::db_get $DB, undef, $key, my $data;
2370
2371 $! ? ()
2372 : $data
2373 }
2374}
2375
2376sub db_put($$$) {
2377 BDB::dbreq_pri 4;
2378 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379}
2380
2381=item cf::cache $id => [$paths...], $processversion => $process
2382
2383Generic caching function that returns the value of the resource $id,
2384caching and regenerating as required.
2385
2386This function can block.
2387
2388=cut
2389
2390sub cache {
2391 my ($id, $src, $processversion, $process) = @_;
2392
2393 my $meta =
2394 join "\x00",
2395 $processversion,
2396 map {
2397 aio_stat $_
2398 and Carp::croak "$_: $!";
2399
2400 ($_, (stat _)[7,9])
2401 } @$src;
2402
2403 my $dbmeta = db_get cache => "$id/meta";
2404 if ($dbmeta ne $meta) {
2405 # changed, we may need to process
2406
2407 my @data;
2408 my $md5;
2409
2410 for (0 .. $#$src) {
2411 0 <= aio_load $src->[$_], $data[$_]
2412 or Carp::croak "$src->[$_]: $!";
2413 }
2414
2415 # if processing is expensive, check
2416 # checksum first
2417 if (1) {
2418 $md5 =
2419 join "\x00",
2420 $processversion,
2421 map {
2422 Coro::cede;
2423 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2424 } 0.. $#$src;
2425
2426
2427 my $dbmd5 = db_get cache => "$id/md5";
2428 if ($dbmd5 eq $md5) {
2429 db_put cache => "$id/meta", $meta;
2430
2431 return db_get cache => "$id/data";
2432 }
2433 }
2434
2435 my $t1 = Time::HiRes::time;
2436 my $data = $process->(\@data);
2437 my $t2 = Time::HiRes::time;
2438
2439 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441 db_put cache => "$id/data", $data;
2442 db_put cache => "$id/md5" , $md5;
2443 db_put cache => "$id/meta", $meta;
2444
2445 return $data;
2446 }
2447
2448 db_get cache => "$id/data"
2449}
2450
2451=item fork_call { }, $args
2452
2453Executes the given code block with the given arguments in a seperate
2454process, returning the results. Everything must be serialisable with
2455Coro::Storable. May, of course, block. Note that the executed sub may
2456never block itself or use any form of Event handling.
2457
2458=cut
2459
2460sub fork_call(&@) {
2461 my ($cb, @args) = @_;
2462
2463# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464# or die "socketpair: $!";
2465 pipe my $fh1, my $fh2
2466 or die "pipe: $!";
2467
2468 if (my $pid = fork) {
2469 close $fh2;
2470
2471 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472 $res = Coro::Storable::thaw $res;
2473
2474 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476 die $$res unless "ARRAY" eq ref $res;
2477
2478 return wantarray ? @$res : $res->[-1];
2479 } else {
2480 reset_signals;
2481 local $SIG{__WARN__};
2482 local $SIG{__DIE__};
2483 eval {
2484 close $fh1;
2485
2486 my @res = eval { $cb->(@args) };
2487 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488 };
2489
2490 warn $@ if $@;
2491 _exit 0;
2492 }
2493}
2494
2495#############################################################################
2496# the server's init and main functions 3265# the server's init and main functions
2497 3266
2498sub load_facedata($) { 3267sub load_facedata($) {
2499 my ($path) = @_; 3268 my ($path) = @_;
3269
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
3274 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500 3275
2501 warn "loading facedata from $path\n"; 3276 warn "loading facedata from $path\n";
2502 3277
2503 my $facedata; 3278 my $facedata;
2504 0 < aio_load $path, $facedata 3279 0 < aio_load $path, $facedata
… …
2507 $facedata = Coro::Storable::thaw $facedata; 3282 $facedata = Coro::Storable::thaw $facedata;
2508 3283
2509 $facedata->{version} == 2 3284 $facedata->{version} == 2
2510 or cf::cleanup "$path: version mismatch, cannot proceed."; 3285 or cf::cleanup "$path: version mismatch, cannot proceed.";
2511 3286
3287 # patch in the exptable
3288 $facedata->{resource}{"res/exp_table"} = {
3289 type => FT_RSRC,
3290 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3291 };
3292 cf::cede_to_tick;
3293
2512 { 3294 {
2513 my $faces = $facedata->{faceinfo}; 3295 my $faces = $facedata->{faceinfo};
2514 3296
2515 while (my ($face, $info) = each %$faces) { 3297 while (my ($face, $info) = each %$faces) {
2516 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3298 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3299
2517 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3300 cf::face::set_visibility $idx, $info->{visibility};
3301 cf::face::set_magicmap $idx, $info->{magicmap};
2518 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3302 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3303 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520 Coro::cede; 3304
3305 cf::cede_to_tick;
2521 } 3306 }
2522 3307
2523 while (my ($face, $info) = each %$faces) { 3308 while (my ($face, $info) = each %$faces) {
2524 next unless $info->{smooth}; 3309 next unless $info->{smooth};
3310
2525 my $idx = cf::face::find $face 3311 my $idx = cf::face::find $face
2526 or next; 3312 or next;
3313
2527 if (my $smooth = cf::face::find $info->{smooth}) { 3314 if (my $smooth = cf::face::find $info->{smooth}) {
3315 cf::face::set_smooth $idx, $smooth;
2528 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3316 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529 } else { 3317 } else {
2530 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3318 warn "smooth face '$info->{smooth}' not found for face '$face'";
2531 } 3319 }
2532 Coro::cede; 3320
3321 cf::cede_to_tick;
2533 } 3322 }
2534 } 3323 }
2535 3324
2536 { 3325 {
2537 my $anims = $facedata->{animinfo}; 3326 my $anims = $facedata->{animinfo};
2538 3327
2539 while (my ($anim, $info) = each %$anims) { 3328 while (my ($anim, $info) = each %$anims) {
2540 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3329 cf::anim::set $anim, $info->{frames}, $info->{facings};
2541 Coro::cede; 3330 cf::cede_to_tick;
2542 } 3331 }
2543 3332
2544 cf::anim::invalidate_all; # d'oh 3333 cf::anim::invalidate_all; # d'oh
2545 } 3334 }
2546 3335
3336 {
3337 my $res = $facedata->{resource};
3338
3339 while (my ($name, $info) = each %$res) {
3340 if (defined $info->{type}) {
3341 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3342
3343 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3344 cf::face::set_type $idx, $info->{type};
3345 } else {
3346 $RESOURCE{$name} = $info;
3347 }
3348
3349 cf::cede_to_tick;
3350 }
3351 }
3352
3353 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3354
2547 1 3355 1
2548} 3356}
2549 3357
3358cf::global->attach (on_resource_update => sub {
3359 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3360 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3361
3362 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3363 my $sound = $soundconf->{compat}[$_]
3364 or next;
3365
3366 my $face = cf::face::find "sound/$sound->[1]";
3367 cf::sound::set $sound->[0] => $face;
3368 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3369 }
3370
3371 while (my ($k, $v) = each %{$soundconf->{event}}) {
3372 my $face = cf::face::find "sound/$v";
3373 cf::sound::set $k => $face;
3374 }
3375 }
3376});
3377
3378register_exticmd fx_want => sub {
3379 my ($ns, $want) = @_;
3380
3381 while (my ($k, $v) = each %$want) {
3382 $ns->fx_want ($k, $v);
3383 }
3384};
3385
3386sub load_resource_file($) {
3387 my $guard = lock_acquire "load_resource_file";
3388
3389 my $status = load_resource_file_ $_[0];
3390 get_slot 0.1, 100;
3391 cf::arch::commit_load;
3392
3393 $status
3394}
3395
2550sub reload_regions { 3396sub reload_regions {
3397 # HACK to clear player env face cache, we need some signal framework
3398 # for this (global event?)
3399 %ext::player_env::MUSIC_FACE_CACHE = ();
3400
2551 load_resource_file "$MAPDIR/regions" 3401 load_resource_file "$MAPDIR/regions"
2552 or die "unable to load regions file\n"; 3402 or die "unable to load regions file\n";
3403
3404 for (cf::region::list) {
3405 $_->{match} = qr/$_->{match}/
3406 if exists $_->{match};
3407 }
2553} 3408}
2554 3409
2555sub reload_facedata { 3410sub reload_facedata {
2556 load_facedata "$DATADIR/facedata" 3411 load_facedata "$DATADIR/facedata"
2557 or die "unable to load facedata\n"; 3412 or die "unable to load facedata\n";
… …
2568} 3423}
2569 3424
2570sub reload_resources { 3425sub reload_resources {
2571 warn "reloading resource files...\n"; 3426 warn "reloading resource files...\n";
2572 3427
3428 reload_facedata;
3429 reload_archetypes;
2573 reload_regions; 3430 reload_regions;
2574 reload_facedata;
2575 #reload_archetypes;#d#
2576 reload_archetypes;
2577 reload_treasures; 3431 reload_treasures;
2578 3432
2579 warn "finished reloading resource files\n"; 3433 warn "finished reloading resource files\n";
2580} 3434}
2581 3435
2582sub init { 3436sub reload_config {
2583 reload_resources; 3437 warn "reloading config file...\n";
2584}
2585 3438
2586sub cfg_load {
2587 open my $fh, "<:utf8", "$CONFDIR/config" 3439 open my $fh, "<:utf8", "$CONFDIR/config"
2588 or return; 3440 or return;
2589 3441
2590 local $/; 3442 local $/;
2591 *CFG = YAML::Syck::Load <$fh>; 3443 *CFG = YAML::XS::Load scalar <$fh>;
2592 3444
2593 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3445 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594 3446
2595 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3447 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3448 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2600 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3452 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2601 and die "WARNING: m(un)lockall failed: $!\n"; 3453 and die "WARNING: m(un)lockall failed: $!\n";
2602 }; 3454 };
2603 warn $@ if $@; 3455 warn $@ if $@;
2604 } 3456 }
3457
3458 warn "finished reloading resource files\n";
3459}
3460
3461sub pidfile() {
3462 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3463 or die "$PIDFILE: $!";
3464 flock $fh, &Fcntl::LOCK_EX
3465 or die "$PIDFILE: flock: $!";
3466 $fh
3467}
3468
3469# make sure only one server instance is running at any one time
3470sub atomic {
3471 my $fh = pidfile;
3472
3473 my $pid = <$fh>;
3474 kill 9, $pid if $pid > 0;
3475
3476 seek $fh, 0, 0;
3477 print $fh $$;
3478}
3479
3480sub main_loop {
3481 warn "EV::loop starting\n";
3482 if (1) {
3483 EV::loop;
3484 }
3485 warn "EV::loop returned\n";
3486 goto &main_loop unless $REALLY_UNLOOP;
2605} 3487}
2606 3488
2607sub main { 3489sub main {
3490 cf::init_globals; # initialise logging
3491
3492 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3493 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3494 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3495 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3496
3497 cf::init_experience;
3498 cf::init_anim;
3499 cf::init_attackmess;
3500 cf::init_dynamic;
3501
3502 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3503
2608 # we must not ever block the main coroutine 3504 # we must not ever block the main coroutine
2609 local $Coro::idle = sub { 3505 local $Coro::idle = sub {
2610 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3506 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611 (async { 3507 (async {
2612 Event::one_event; 3508 $Coro::current->{desc} = "IDLE BUG HANDLER";
3509 EV::loop EV::LOOP_ONESHOT;
2613 })->prio (Coro::PRIO_MAX); 3510 })->prio (Coro::PRIO_MAX);
2614 }; 3511 };
2615 3512
2616 cfg_load; 3513 evthread_start IO::AIO::poll_fileno;
3514
3515 cf::sync_job {
3516 cf::load_settings;
3517 cf::load_materials;
3518
3519 reload_resources;
3520 reload_config;
2617 db_init; 3521 db_init;
3522
3523 cf::init_uuid;
3524 cf::init_signals;
3525 cf::init_commands;
3526 cf::init_skills;
3527
3528 cf::init_beforeplay;
3529
3530 atomic;
3531
2618 load_extensions; 3532 load_extensions;
2619 3533
2620 $TICK_WATCHER->start; 3534 utime time, time, $RUNTIMEFILE;
2621 Event::loop; 3535
3536 # no (long-running) fork's whatsoever before this point(!)
3537 use POSIX ();
3538 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3539
3540 (pop @POST_INIT)->(0) while @POST_INIT;
3541 };
3542
3543 main_loop;
2622} 3544}
2623 3545
2624############################################################################# 3546#############################################################################
2625# initialisation and cleanup 3547# initialisation and cleanup
2626 3548
2627# install some emergency cleanup handlers 3549# install some emergency cleanup handlers
2628BEGIN { 3550BEGIN {
3551 our %SIGWATCHER = ();
2629 for my $signal (qw(INT HUP TERM)) { 3552 for my $signal (qw(INT HUP TERM)) {
2630 Event->signal ( 3553 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2631 reentrant => 0,
2632 data => WF_AUTOCANCEL,
2633 signal => $signal,
2634 prio => 0,
2635 cb => sub {
2636 cf::cleanup "SIG$signal"; 3554 cf::cleanup "SIG$signal";
2637 },
2638 ); 3555 };
3556 }
3557}
3558
3559sub write_runtime_sync {
3560 # first touch the runtime file to show we are still running:
3561 # the fsync below can take a very very long time.
3562
3563 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3564
3565 my $guard = cf::lock_acquire "write_runtime";
3566
3567 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3568 or return;
3569
3570 my $value = $cf::RUNTIME + 90 + 10;
3571 # 10 is the runtime save interval, for a monotonic clock
3572 # 60 allows for the watchdog to kill the server.
3573
3574 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3575 and return;
3576
3577 # always fsync - this file is important
3578 aio_fsync $fh
3579 and return;
3580
3581 # touch it again to show we are up-to-date
3582 aio_utime $fh, undef, undef;
3583
3584 close $fh
3585 or return;
3586
3587 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3588 and return;
3589
3590 warn "runtime file written.\n";
3591
2639 } 3592 1
3593}
3594
3595our $uuid_lock;
3596our $uuid_skip;
3597
3598sub write_uuid_sync($) {
3599 $uuid_skip ||= $_[0];
3600
3601 return if $uuid_lock;
3602 local $uuid_lock = 1;
3603
3604 my $uuid = "$LOCALDIR/uuid";
3605
3606 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3607 or return;
3608
3609 my $value = uuid_seq uuid_cur;
3610
3611 unless ($value) {
3612 warn "cowardly refusing to write zero uuid value!\n";
3613 return;
3614 }
3615
3616 my $value = uuid_str $value + $uuid_skip;
3617 $uuid_skip = 0;
3618
3619 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3620 and return;
3621
3622 # always fsync - this file is important
3623 aio_fsync $fh
3624 and return;
3625
3626 close $fh
3627 or return;
3628
3629 aio_rename "$uuid~", $uuid
3630 and return;
3631
3632 warn "uuid file written ($value).\n";
3633
3634 1
3635
3636}
3637
3638sub write_uuid($$) {
3639 my ($skip, $sync) = @_;
3640
3641 $sync ? write_uuid_sync $skip
3642 : async { write_uuid_sync $skip };
2640} 3643}
2641 3644
2642sub emergency_save() { 3645sub emergency_save() {
2643 my $freeze_guard = cf::freeze_mainloop; 3646 my $freeze_guard = cf::freeze_mainloop;
2644 3647
2645 warn "enter emergency perl save\n"; 3648 warn "emergency_perl_save: enter\n";
2646 3649
2647 cf::sync_job { 3650 cf::sync_job {
3651 # this is a trade-off: we want to be very quick here, so
3652 # save all maps without fsync, and later call a global sync
3653 # (which in turn might be very very slow)
3654 local $USE_FSYNC = 0;
3655
2648 # use a peculiar iteration method to avoid tripping on perl 3656 # use a peculiar iteration method to avoid tripping on perl
2649 # refcount bugs in for. also avoids problems with players 3657 # refcount bugs in for. also avoids problems with players
2650 # and maps saved/destroyed asynchronously. 3658 # and maps saved/destroyed asynchronously.
2651 warn "begin emergency player save\n"; 3659 warn "emergency_perl_save: begin player save\n";
2652 for my $login (keys %cf::PLAYER) { 3660 for my $login (keys %cf::PLAYER) {
2653 my $pl = $cf::PLAYER{$login} or next; 3661 my $pl = $cf::PLAYER{$login} or next;
2654 $pl->valid or next; 3662 $pl->valid or next;
3663 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655 $pl->save; 3664 $pl->save;
2656 } 3665 }
2657 warn "end emergency player save\n"; 3666 warn "emergency_perl_save: end player save\n";
2658 3667
2659 warn "begin emergency map save\n"; 3668 warn "emergency_perl_save: begin map save\n";
2660 for my $path (keys %cf::MAP) { 3669 for my $path (keys %cf::MAP) {
2661 my $map = $cf::MAP{$path} or next; 3670 my $map = $cf::MAP{$path} or next;
2662 $map->valid or next; 3671 $map->valid or next;
2663 $map->save; 3672 $map->save;
2664 } 3673 }
2665 warn "end emergency map save\n"; 3674 warn "emergency_perl_save: end map save\n";
2666 3675
2667 warn "begin emergency database checkpoint\n"; 3676 warn "emergency_perl_save: begin database checkpoint\n";
2668 BDB::db_env_txn_checkpoint $DB_ENV; 3677 BDB::db_env_txn_checkpoint $DB_ENV;
2669 warn "end emergency database checkpoint\n"; 3678 warn "emergency_perl_save: end database checkpoint\n";
3679
3680 warn "emergency_perl_save: begin write uuid\n";
3681 write_uuid_sync 1;
3682 warn "emergency_perl_save: end write uuid\n";
2670 }; 3683 };
2671 3684
3685 warn "emergency_perl_save: starting sync()\n";
3686 IO::AIO::aio_sync sub {
3687 warn "emergency_perl_save: finished sync()\n";
3688 };
3689
2672 warn "leave emergency perl save\n"; 3690 warn "emergency_perl_save: leave\n";
2673} 3691}
2674 3692
2675sub post_cleanup { 3693sub post_cleanup {
2676 my ($make_core) = @_; 3694 my ($make_core) = @_;
2677 3695
2678 warn Carp::longmess "post_cleanup backtrace" 3696 warn Carp::longmess "post_cleanup backtrace"
2679 if $make_core; 3697 if $make_core;
3698
3699 my $fh = pidfile;
3700 unlink $PIDFILE if <$fh> == $$;
3701}
3702
3703# a safer delete_package, copied from Symbol
3704sub clear_package($) {
3705 my $pkg = shift;
3706
3707 # expand to full symbol table name if needed
3708 unless ($pkg =~ /^main::.*::$/) {
3709 $pkg = "main$pkg" if $pkg =~ /^::/;
3710 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3711 $pkg .= '::' unless $pkg =~ /::$/;
3712 }
3713
3714 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3715 my $stem_symtab = *{$stem}{HASH};
3716
3717 defined $stem_symtab and exists $stem_symtab->{$leaf}
3718 or return;
3719
3720 # clear all symbols
3721 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3722 for my $name (keys %$leaf_symtab) {
3723 _gv_clear *{"$pkg$name"};
3724# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3725 }
3726 warn "cleared package $pkg\n";#d#
2680} 3727}
2681 3728
2682sub do_reload_perl() { 3729sub do_reload_perl() {
2683 # can/must only be called in main 3730 # can/must only be called in main
2684 if ($Coro::current != $Coro::main) { 3731 if ($Coro::current != $Coro::main) {
2685 warn "can only reload from main coroutine"; 3732 warn "can only reload from main coroutine";
2686 return; 3733 return;
2687 } 3734 }
2688 3735
3736 return if $RELOAD++;
3737
3738 my $t1 = EV::time;
3739
3740 while ($RELOAD) {
2689 warn "reloading..."; 3741 warn "reloading...";
2690 3742
2691 warn "entering sync_job"; 3743 warn "entering sync_job";
2692 3744
2693 cf::sync_job { 3745 cf::sync_job {
2694 cf::write_runtime; # external watchdog should not bark 3746 cf::write_runtime_sync; # external watchdog should not bark
2695 cf::emergency_save; 3747 cf::emergency_save;
2696 cf::write_runtime; # external watchdog should not bark 3748 cf::write_runtime_sync; # external watchdog should not bark
2697 3749
2698 warn "syncing database to disk"; 3750 warn "syncing database to disk";
2699 BDB::db_env_txn_checkpoint $DB_ENV; 3751 BDB::db_env_txn_checkpoint $DB_ENV;
2700 3752
2701 # if anything goes wrong in here, we should simply crash as we already saved 3753 # if anything goes wrong in here, we should simply crash as we already saved
2702 3754
2703 warn "cancelling all WF_AUTOCANCEL watchers";
2704 for (Event::all_watchers) {
2705 $_->cancel if $_->data & WF_AUTOCANCEL;
2706 }
2707
2708 warn "flushing outstanding aio requests"; 3755 warn "flushing outstanding aio requests";
2709 for (;;) {
2710 BDB::flush;
2711 IO::AIO::flush;
2712 Coro::cede;
2713 last unless IO::AIO::nreqs || BDB::nreqs; 3756 while (IO::AIO::nreqs || BDB::nreqs) {
2714 warn "iterate..."; 3757 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715 }
2716
2717 ++$RELOAD;
2718
2719 warn "cancelling all extension coros";
2720 $_->cancel for values %EXT_CORO;
2721 %EXT_CORO = ();
2722
2723 warn "removing commands";
2724 %COMMAND = ();
2725
2726 warn "removing ext commands";
2727 %EXTCMD = ();
2728
2729 warn "unloading/nuking all extensions";
2730 for my $pkg (@EXTS) {
2731 warn "... unloading $pkg";
2732
2733 if (my $cb = $pkg->can ("unload")) {
2734 eval {
2735 $cb->($pkg);
2736 1
2737 } or warn "$pkg unloaded, but with errors: $@";
2738 } 3758 }
2739 3759
2740 warn "... nuking $pkg"; 3760 warn "cancelling all extension coros";
2741 Symbol::delete_package $pkg; 3761 $_->cancel for values %EXT_CORO;
2742 } 3762 %EXT_CORO = ();
2743 3763
2744 warn "unloading all perl modules loaded from $LIBDIR"; 3764 warn "removing commands";
2745 while (my ($k, $v) = each %INC) { 3765 %COMMAND = ();
2746 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747 3766
3767 warn "removing ext/exti commands";
3768 %EXTCMD = ();
3769 %EXTICMD = ();
3770
3771 warn "unloading/nuking all extensions";
3772 for my $pkg (@EXTS) {
2748 warn "... unloading $k"; 3773 warn "... unloading $pkg";
2749 delete $INC{$k};
2750 3774
2751 $k =~ s/\.pm$//;
2752 $k =~ s/\//::/g;
2753
2754 if (my $cb = $k->can ("unload_module")) { 3775 if (my $cb = $pkg->can ("unload")) {
3776 eval {
2755 $cb->(); 3777 $cb->($pkg);
3778 1
3779 } or warn "$pkg unloaded, but with errors: $@";
3780 }
3781
3782 warn "... clearing $pkg";
3783 clear_package $pkg;
2756 } 3784 }
2757 3785
2758 Symbol::delete_package $k; 3786 warn "unloading all perl modules loaded from $LIBDIR";
3787 while (my ($k, $v) = each %INC) {
3788 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3789
3790 warn "... unloading $k";
3791 delete $INC{$k};
3792
3793 $k =~ s/\.pm$//;
3794 $k =~ s/\//::/g;
3795
3796 if (my $cb = $k->can ("unload_module")) {
3797 $cb->();
3798 }
3799
3800 clear_package $k;
2759 } 3801 }
2760 3802
2761 warn "getting rid of safe::, as good as possible"; 3803 warn "getting rid of safe::, as good as possible";
2762 Symbol::delete_package "safe::$_" 3804 clear_package "safe::$_"
2763 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3805 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764 3806
2765 warn "unloading cf.pm \"a bit\""; 3807 warn "unloading cf.pm \"a bit\"";
2766 delete $INC{"cf.pm"}; 3808 delete $INC{"cf.pm"};
2767 delete $INC{"cf/pod.pm"}; 3809 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768 3810
2769 # don't, removes xs symbols, too, 3811 # don't, removes xs symbols, too,
2770 # and global variables created in xs 3812 # and global variables created in xs
2771 #Symbol::delete_package __PACKAGE__; 3813 #clear_package __PACKAGE__;
2772 3814
2773 warn "unload completed, starting to reload now"; 3815 warn "unload completed, starting to reload now";
2774 3816
2775 warn "reloading cf.pm"; 3817 warn "reloading cf.pm";
2776 require cf; 3818 require cf;
2777 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3819 cf::_connect_to_perl_1;
2778 3820
2779 warn "loading config and database again"; 3821 warn "loading config and database again";
2780 cf::cfg_load; 3822 cf::reload_config;
2781 3823
2782 warn "loading extensions"; 3824 warn "loading extensions";
2783 cf::load_extensions; 3825 cf::load_extensions;
2784 3826
3827 if ($REATTACH_ON_RELOAD) {
2785 warn "reattaching attachments to objects/players"; 3828 warn "reattaching attachments to objects/players";
2786 _global_reattach; # objects, sockets 3829 _global_reattach; # objects, sockets
2787 warn "reattaching attachments to maps"; 3830 warn "reattaching attachments to maps";
2788 reattach $_ for values %MAP; 3831 reattach $_ for values %MAP;
2789 warn "reattaching attachments to players"; 3832 warn "reattaching attachments to players";
2790 reattach $_ for values %PLAYER; 3833 reattach $_ for values %PLAYER;
3834 }
2791 3835
3836 warn "running post_init jobs";
3837 (pop @POST_INIT)->(1) while @POST_INIT;
3838
2792 warn "leaving sync_job"; 3839 warn "leaving sync_job";
2793 3840
2794 1 3841 1
2795 } or do { 3842 } or do {
2796 warn $@; 3843 warn $@;
2797 warn "error while reloading, exiting."; 3844 cf::cleanup "error while reloading, exiting.";
2798 exit 1;
2799 }; 3845 };
2800 3846
2801 warn "reloaded"; 3847 warn "reloaded";
3848 --$RELOAD;
3849 }
3850
3851 $t1 = EV::time - $t1;
3852 warn "reload completed in ${t1}s\n";
2802}; 3853};
2803 3854
2804our $RELOAD_WATCHER; # used only during reload 3855our $RELOAD_WATCHER; # used only during reload
2805 3856
2806sub reload_perl() { 3857sub reload_perl() {
2807 # doing reload synchronously and two reloads happen back-to-back, 3858 # doing reload synchronously and two reloads happen back-to-back,
2808 # coro crashes during coro_state_free->destroy here. 3859 # coro crashes during coro_state_free->destroy here.
2809 3860
2810 $RELOAD_WATCHER ||= Event->timer ( 3861 $RELOAD_WATCHER ||= cf::async {
2811 reentrant => 0, 3862 Coro::AIO::aio_wait cache_extensions;
2812 after => 0, 3863
2813 data => WF_AUTOCANCEL, 3864 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2814 cb => sub {
2815 do_reload_perl; 3865 do_reload_perl;
2816 undef $RELOAD_WATCHER; 3866 undef $RELOAD_WATCHER;
2817 }, 3867 };
2818 ); 3868 };
2819} 3869}
2820 3870
2821register_command "reload" => sub { 3871register_command "reload" => sub {
2822 my ($who, $arg) = @_; 3872 my ($who, $arg) = @_;
2823 3873
2824 if ($who->flag (FLAG_WIZ)) { 3874 if ($who->flag (FLAG_WIZ)) {
2825 $who->message ("reloading server."); 3875 $who->message ("reloading server.");
3876 async {
3877 $Coro::current->{desc} = "perl_reload";
2826 async { reload_perl }; 3878 reload_perl;
3879 };
2827 } 3880 }
2828}; 3881};
2829 3882
2830unshift @INC, $LIBDIR; 3883unshift @INC, $LIBDIR;
2831 3884
… …
2833 3886
2834our @WAIT_FOR_TICK; 3887our @WAIT_FOR_TICK;
2835our @WAIT_FOR_TICK_BEGIN; 3888our @WAIT_FOR_TICK_BEGIN;
2836 3889
2837sub wait_for_tick { 3890sub wait_for_tick {
2838 return unless $TICK_WATCHER->is_active;
2839 return if $Coro::current == $Coro::main; 3891 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840 3892
2841 my $signal = new Coro::Signal; 3893 my $signal = new Coro::Signal;
2842 push @WAIT_FOR_TICK, $signal; 3894 push @WAIT_FOR_TICK, $signal;
2843 $signal->wait; 3895 $signal->wait;
2844} 3896}
2845 3897
2846sub wait_for_tick_begin { 3898sub wait_for_tick_begin {
2847 return unless $TICK_WATCHER->is_active;
2848 return if $Coro::current == $Coro::main; 3899 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849 3900
2850 my $signal = new Coro::Signal; 3901 my $signal = new Coro::Signal;
2851 push @WAIT_FOR_TICK_BEGIN, $signal; 3902 push @WAIT_FOR_TICK_BEGIN, $signal;
2852 $signal->wait; 3903 $signal->wait;
2853} 3904}
2854 3905
2855 my $min = 1e6;#d# 3906sub tick {
2856 my $avg = 10;
2857$TICK_WATCHER = Event->timer (
2858 reentrant => 0,
2859 parked => 1,
2860 prio => 0,
2861 at => $NEXT_TICK || $TICK,
2862 data => WF_AUTOCANCEL,
2863 cb => sub {
2864 if ($Coro::current != $Coro::main) { 3907 if ($Coro::current != $Coro::main) {
2865 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3908 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866 unless ++$bug_warning > 10; 3909 unless ++$bug_warning > 10;
2867 return; 3910 return;
2868 } 3911 }
2869 3912
2870 $NOW = $tick_start = Event::time;
2871
2872 cf::server_tick; # one server iteration 3913 cf::server_tick; # one server iteration
2873 3914
2874 0 && sync_job {#d# 3915 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875 for(1..10) { 3916 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876 my $t = Event::time; 3917 Coro::async_pool {
2877 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3918 $Coro::current->{desc} = "runtime saver";
2878 or die; 3919 write_runtime_sync
2879 3920 or warn "ERROR: unable to write runtime file: $!";
2880 $map->width (50);
2881 $map->height (50);
2882 $map->alloc;
2883 $map->_load_objects ("/tmp/x.map", 1);
2884 my $t = Event::time - $t;
2885
2886 #next unless $t < 0.0013;#d#
2887 if ($t < $min) {
2888 $min = $t;
2889 }
2890 $avg = $avg * 0.99 + $t * 0.01;
2891 }
2892 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893 exit 0;
2894 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895 }; 3921 };
3922 }
2896 3923
2897 $RUNTIME += $TICK;
2898 $NEXT_TICK += $TICK;
2899
2900 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901 $NEXT_RUNTIME_WRITE = $NOW + 10;
2902 Coro::async_pool {
2903 write_runtime
2904 or warn "ERROR: unable to write runtime file: $!";
2905 };
2906 }
2907
2908# my $AFTER = Event::time;
2909# warn $AFTER - $NOW;#d#
2910
2911 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3924 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912 $sig->send; 3925 $sig->send;
2913 } 3926 }
2914 while (my $sig = shift @WAIT_FOR_TICK) { 3927 while (my $sig = shift @WAIT_FOR_TICK) {
2915 $sig->send; 3928 $sig->send;
2916 } 3929 }
2917 3930
2918 $NOW = Event::time; 3931 $LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920 # if we are delayed by four ticks or more, skip them all
2921 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923 $TICK_WATCHER->at ($NEXT_TICK);
2924 $TICK_WATCHER->start;
2925
2926 $LOAD = ($NOW - $tick_start) / $TICK;
2927 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3932 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928 3933
2929 _post_tick; 3934 if (0) {
2930 3935 if ($NEXT_TICK) {
2931 3936 my $jitter = $TICK_START - $NEXT_TICK;
3937 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3938 warn "jitter $JITTER\n";#d#
3939 }
2932 }, 3940 }
2933); 3941}
2934 3942
2935{ 3943{
2936 BDB::max_poll_time $TICK * 0.1; 3944 # configure BDB
2937 $BDB_POLL_WATCHER = Event->io ( 3945
2938 reentrant => 0,
2939 fd => BDB::poll_fileno,
2940 poll => 'r',
2941 prio => 0,
2942 data => WF_AUTOCANCEL,
2943 cb => \&BDB::poll_cb,
2944 );
2945 BDB::min_parallel 8; 3946 BDB::min_parallel 8;
2946 3947 BDB::max_poll_reqs $TICK * 0.1;
2947 BDB::set_sync_prepare { 3948 $AnyEvent::BDB::WATCHER->priority (1);
2948 my $status;
2949 my $current = $Coro::current;
2950 (
2951 sub {
2952 $status = $!;
2953 $current->ready; undef $current;
2954 },
2955 sub {
2956 Coro::schedule while defined $current;
2957 $! = $status;
2958 },
2959 )
2960 };
2961 3949
2962 unless ($DB_ENV) { 3950 unless ($DB_ENV) {
2963 $DB_ENV = BDB::db_env_create; 3951 $DB_ENV = BDB::db_env_create;
3952 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3953 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3954 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3955 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3956 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964 3957
2965 cf::sync_job { 3958 cf::sync_job {
2966 eval { 3959 eval {
2967 BDB::db_env_open 3960 BDB::db_env_open
2968 $DB_ENV, 3961 $DB_ENV,
… …
2970 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3963 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3964 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972 0666; 3965 0666;
2973 3966
2974 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3967 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977 $DB_ENV->set_lk_detect;
2978 }; 3968 };
2979 3969
2980 cf::cleanup "db_env_open(db): $@" if $@; 3970 cf::cleanup "db_env_open(db): $@" if $@;
2981 }; 3971 };
2982 } 3972 }
3973
3974 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3975 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3976 };
3977 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3978 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3979 };
3980 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3981 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3982 };
2983} 3983}
2984 3984
2985{ 3985{
3986 # configure IO::AIO
3987
2986 IO::AIO::min_parallel 8; 3988 IO::AIO::min_parallel 8;
2987
2988 undef $Coro::AIO::WATCHER;
2989 IO::AIO::max_poll_time $TICK * 0.1; 3989 IO::AIO::max_poll_time $TICK * 0.1;
2990 $AIO_POLL_WATCHER = Event->io ( 3990 undef $AnyEvent::AIO::WATCHER;
2991 reentrant => 0,
2992 data => WF_AUTOCANCEL,
2993 fd => IO::AIO::poll_fileno,
2994 poll => 'r',
2995 prio => 6,
2996 cb => \&IO::AIO::poll_cb,
2997 );
2998} 3991}
2999 3992
3000my $_log_backtrace; 3993my $_log_backtrace;
3001 3994
3002sub _log_backtrace { 3995sub _log_backtrace {
… …
3005 $msg =~ s/\n//; 3998 $msg =~ s/\n//;
3006 3999
3007 # limit the # of concurrent backtraces 4000 # limit the # of concurrent backtraces
3008 if ($_log_backtrace < 2) { 4001 if ($_log_backtrace < 2) {
3009 ++$_log_backtrace; 4002 ++$_log_backtrace;
4003 my $perl_bt = Carp::longmess $msg;
3010 async { 4004 async {
4005 $Coro::current->{desc} = "abt $msg";
4006
3011 my @bt = fork_call { 4007 my @bt = fork_call {
3012 @addr = map { sprintf "%x", $_ } @addr; 4008 @addr = map { sprintf "%x", $_ } @addr;
3013 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4009 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4010 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015 or die "addr2line: $!"; 4011 or die "addr2line: $!";
… …
3023 } 4019 }
3024 4020
3025 @funcs 4021 @funcs
3026 }; 4022 };
3027 4023
3028 LOG llevInfo, "[ABT] $msg\n"; 4024 LOG llevInfo, "[ABT] $perl_bt\n";
4025 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029 LOG llevInfo, "[ABT] $_\n" for @bt; 4026 LOG llevInfo, "[ABT] $_\n" for @bt;
3030 --$_log_backtrace; 4027 --$_log_backtrace;
3031 }; 4028 };
3032 } else { 4029 } else {
3033 LOG llevInfo, "[ABT] $msg\n"; 4030 LOG llevInfo, "[ABT] $msg\n";
3034 LOG llevInfo, "[ABT] [suppressed]\n"; 4031 LOG llevInfo, "[ABT] [suppressed]\n";
3035 } 4032 }
3036} 4033}
3037 4034
3038# load additional modules 4035# load additional modules
3039use cf::pod; 4036require "cf/$_.pm" for @EXTRA_MODULES;
4037cf::_connect_to_perl_2;
3040 4038
3041END { cf::emergency_save } 4039END { cf::emergency_save }
3042 4040
30431 40411
3044 4042

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