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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.492 by root, Mon Oct 26 01:22:34 2009 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 ();
14 37
38use Guard ();
15use Coro 3.61 (); 39use Coro ();
16use Coro::State; 40use Coro::State;
17use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
18use Coro::Event; 43use Coro::AnyEvent;
19use Coro::Timer; 44use Coro::Timer;
20use Coro::Signal; 45use Coro::Signal;
21use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
22use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
23use Coro::Storable; 51use Coro::Storable;
52use Coro::Util ();
24 53
54use JSON::XS 2.01 ();
25use BDB (); 55use BDB ();
26use Data::Dumper; 56use Data::Dumper;
27use Digest::MD5; 57use 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 warn "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
1779} 2289}
1780 2290
1781=item $maps = cf::map::tmp_maps 2291=item $maps = cf::map::tmp_maps
… …
1823 2333
1824sub unique_maps() { 2334sub unique_maps() {
1825 [ 2335 [
1826 map { 2336 map {
1827 utf8::decode $_; 2337 utf8::decode $_;
1828 /\.map$/ 2338 s/\.map$//; # TODO future compatibility hack
2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2340 ? ()
1829 ? normalise $_ 2341 : normalise $_
1830 : ()
1831 } @{ aio_readdir $UNIQUEDIR or [] } 2342 } @{ aio_readdir $UNIQUEDIR or [] }
1832 ] 2343 ]
1833} 2344}
1834 2345
1835package 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}
1836 2377
1837=back 2378=back
1838 2379
1839=head3 cf::object 2380=head3 cf::object
1840 2381
… …
1844 2385
1845=over 4 2386=over 4
1846 2387
1847=item $ob->inv_recursive 2388=item $ob->inv_recursive
1848 2389
1849Returns 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.
1850 2392
1851=cut 2393=cut
1852 2394
1853sub inv_recursive_; 2395sub inv_recursive_;
1854sub inv_recursive_ { 2396sub inv_recursive_ {
… …
1857 2399
1858sub inv_recursive { 2400sub inv_recursive {
1859 inv_recursive_ inv $_[0] 2401 inv_recursive_ inv $_[0]
1860} 2402}
1861 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
1862package cf; 2432package cf;
1863 2433
1864=back 2434=back
1865 2435
1866=head3 cf::object::player 2436=head3 cf::object::player
… …
1872Sends 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>
1873can 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
1874dialogue with the given NPC character. 2444dialogue with the given NPC character.
1875 2445
1876=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};
1877 2461
1878# rough implementation of a future "reply" method that works 2462# rough implementation of a future "reply" method that works
1879# with dialog boxes. 2463# with dialog boxes.
1880#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
1881sub cf::object::player::reply($$$;$) { 2465sub cf::object::player::reply($$$;$) {
… …
1883 2467
1884 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2468 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885 2469
1886 if ($self->{record_replies}) { 2470 if ($self->{record_replies}) {
1887 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2471 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2472
1888 } 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 {
1889 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
1890 $self->message ($msg, $flags); 2482 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483 }
1891 } 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 (@_);
1892} 2495}
1893 2496
1894=item $player_object->may ("access") 2497=item $player_object->may ("access")
1895 2498
1896Returns wether the given player is authorized to access resource "access" 2499Returns wether the given player is authorized to access resource "access"
… …
1909 2512
1910=item $player_object->enter_link 2513=item $player_object->enter_link
1911 2514
1912Freezes 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}>).
1913 2516
1914The 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.
1915I<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.
1916 2521
1917Will never block. 2522Will never block.
1918 2523
1919=item $player_object->leave_link ($map, $x, $y) 2524=item $player_object->leave_link ($map, $x, $y)
1920 2525
… …
1972 ($x, $y) = (-1, -1) 2577 ($x, $y) = (-1, -1)
1973 unless (defined $x) && (defined $y); 2578 unless (defined $x) && (defined $y);
1974 2579
1975 # use -1 or undef as default coordinates, not 0, 0 2580 # use -1 or undef as default coordinates, not 0, 0
1976 ($x, $y) = ($map->enter_x, $map->enter_y) 2581 ($x, $y) = ($map->enter_x, $map->enter_y)
1977 if $x <=0 && $y <= 0; 2582 if $x <= 0 && $y <= 0;
1978 2583
1979 $map->load; 2584 $map->load;
1980 $map->load_diag; 2585 $map->load_neighbours;
1981 2586
1982 return unless $self->contr->active; 2587 return unless $self->contr->active;
1983 $self->activate_recursive;
1984 2588
1985 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2589 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986 $self->enter_map ($map, $x, $y); 2590 $self->enter_map ($map, $x, $y);
1987}
1988 2591
2592 # only activate afterwards, to support waiting in hooks
2593 $self->activate_recursive;
2594}
2595
1989=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2596=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990 2597
1991Moves 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
1992her, loading and preparing them map, calling the provided $check callback 2599her, loading and preparing them map, calling the provided $check callback
1993that 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
1994the 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 >>.
1995 2606
1996=cut 2607=cut
1997 2608
1998our $GOTOGEN; 2609our $GOTOGEN;
1999 2610
2000sub cf::object::player::goto { 2611sub cf::object::player::goto {
2001 my ($self, $path, $x, $y, $check) = @_; 2612 my ($self, $path, $x, $y, $check, $done) = @_;
2002 2613
2003 # 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
2004 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2615 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005 2616
2006 $self->enter_link; 2617 $self->enter_link;
2007 2618
2008 (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
2009 my $map = eval { 2641 my $map = eval {
2010 my $map = cf::map::find $path; 2642 my $map = defined $path ? cf::map::find $path : undef;
2011 2643
2012 if ($map) { 2644 if ($map) {
2013 $map = $map->customise_for ($self); 2645 $map = $map->customise_for ($self);
2014 $map = $check->($map) if $check && $map; 2646 $map = $check->($map) if $check && $map;
2015 } else { 2647 } else {
2016 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2648 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017 } 2649 }
2018 2650
2019 $map 2651 $map
2020 }; 2652 };
2021 2653
… …
2026 2658
2027 if ($gen == $self->{_goto_generation}) { 2659 if ($gen == $self->{_goto_generation}) {
2028 delete $self->{_goto_generation}; 2660 delete $self->{_goto_generation};
2029 $self->leave_link ($map, $x, $y); 2661 $self->leave_link ($map, $x, $y);
2030 } 2662 }
2663
2664 $done->() if $done;
2031 })->prio (1); 2665 })->prio (1);
2032} 2666}
2033 2667
2034=item $player_object->enter_exit ($exit_object) 2668=item $player_object->enter_exit ($exit_object)
2035 2669
… …
2055} 2689}
2056 2690
2057sub prepare_random_map { 2691sub prepare_random_map {
2058 my ($exit) = @_; 2692 my ($exit) = @_;
2059 2693
2060 my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062 # all this does is basically replace the /! path by 2694 # all this does is basically replace the /! path by
2063 # a new random map path (?random/...) with a seed 2695 # a new random map path (?random/...) with a seed
2064 # that depends on the exit object 2696 # that depends on the exit object
2065 2697
2066 my $rmp = parse_random_map_params $exit->msg; 2698 my $rmp = parse_random_map_params $exit->msg;
… …
2068 if ($exit->map) { 2700 if ($exit->map) {
2069 $rmp->{region} = $exit->region->name; 2701 $rmp->{region} = $exit->region->name;
2070 $rmp->{origin_map} = $exit->map->path; 2702 $rmp->{origin_map} = $exit->map->path;
2071 $rmp->{origin_x} = $exit->x; 2703 $rmp->{origin_x} = $exit->x;
2072 $rmp->{origin_y} = $exit->y; 2704 $rmp->{origin_y} = $exit->y;
2705
2706 $exit->map->touch;
2073 } 2707 }
2074 2708
2075 $rmp->{random_seed} ||= $exit->random_seed; 2709 $rmp->{random_seed} ||= $exit->random_seed;
2076 2710
2077 my $data = cf::to_json $rmp; 2711 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078 my $md5 = Digest::MD5::md5_hex $data; 2712 my $md5 = Digest::MD5::md5_hex $data;
2079 my $meta = "$RANDOMDIR/$md5.meta"; 2713 my $meta = "$RANDOMDIR/$md5.meta";
2080 2714
2081 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2715 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082 aio_write $fh, 0, (length $data), $data, 0; 2716 aio_write $fh, 0, (length $data), $data, 0;
2083 undef $fh; 2717 undef $fh;
2084 aio_rename "$meta~", $meta; 2718 aio_rename "$meta~", $meta;
2085 2719
2720 my $slaying = "?random/$md5";
2721
2722 if ($exit->valid) {
2086 $exit->slaying ("?random/$md5"); 2723 $exit->slaying ("?random/$md5");
2087 $exit->msg (undef); 2724 $exit->msg (undef);
2725 }
2088 } 2726 }
2089} 2727}
2090 2728
2091sub cf::object::player::enter_exit { 2729sub cf::object::player::enter_exit {
2092 my ($self, $exit) = @_; 2730 my ($self, $exit) = @_;
2093 2731
2094 return unless $self->type == cf::PLAYER; 2732 return unless $self->type == cf::PLAYER;
2095 2733
2096 if ($exit->slaying eq "/!") {
2097 #TODO: this should de-fi-ni-te-ly not be a sync-job
2098 # the problem is that $exit might not survive long enough
2099 # so it needs to be done right now, right here
2100 cf::sync_job { prepare_random_map $exit };
2101 }
2102
2103 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104 my $hp = $exit->stats->hp;
2105 my $sp = $exit->stats->sp;
2106
2107 $self->enter_link; 2734 $self->enter_link;
2108 2735
2109 (async { 2736 (async {
2110 $self->deactivate_recursive; # just to be sure 2737 $Coro::current->{desc} = "enter_exit";
2738
2111 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
2112 $self->goto ($slaying, $hp, $sp); 2754 $self->goto ($map, $x, $y);
2113 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
2114 1; 2760 1
2115 }) { 2761 }) {
2116 $self->message ("Something went wrong deep within the crossfire server. " 2762 $self->message ("Something went wrong deep within the deliantra server. "
2117 . "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. "
2118 . "Please report this to the dungeon master!", 2764 . "Please report this to the dungeon master!",
2119 cf::NDI_UNIQUE | cf::NDI_RED); 2765 cf::NDI_UNIQUE | cf::NDI_RED);
2120 2766
2121 warn "ERROR in enter_exit: $@"; 2767 warn "ERROR in enter_exit: $@";
… …
2140 2786
2141 utf8::encode $text; 2787 utf8::encode $text;
2142 $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);
2143} 2789}
2144 2790
2791=item $client->send_msg ($channel, $msg, $color, [extra...])
2792
2793Send a drawinfo or msg packet to the client, formatting the msg for the
2794client if neccessary. C<$type> should be a string identifying the type of
2795the message, with C<log> being the default. If C<$color> is negative, suppress
2796the message unless the client supports the msg packet.
2797
2798=cut
2799
2800# non-persistent channels (usually the info channel)
2801our %CHANNEL = (
2802 "c/motd" => {
2803 id => "infobox",
2804 title => "MOTD",
2805 reply => undef,
2806 tooltip => "The message of the day",
2807 },
2808 "c/identify" => {
2809 id => "infobox",
2810 title => "Identify",
2811 reply => undef,
2812 tooltip => "Items recently identified",
2813 },
2814 "c/examine" => {
2815 id => "infobox",
2816 title => "Examine",
2817 reply => undef,
2818 tooltip => "Signs and other items you examined",
2819 },
2820 "c/shopinfo" => {
2821 id => "infobox",
2822 title => "Shop Info",
2823 reply => undef,
2824 tooltip => "What your bargaining skill tells you about the shop",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/statistics" => {
2851 id => "infobox",
2852 title => "Statistics",
2853 reply => undef,
2854 tooltip => "Shows your primary statistics",
2855 },
2856 "c/skills" => {
2857 id => "infobox",
2858 title => "Skills",
2859 reply => undef,
2860 tooltip => "Shows your experience per skill and item power",
2861 },
2862 "c/shopitems" => {
2863 id => "infobox",
2864 title => "Shop Items",
2865 reply => undef,
2866 tooltip => "Shows the items currently for sale in this shop",
2867 },
2868 "c/resistances" => {
2869 id => "infobox",
2870 title => "Resistances",
2871 reply => undef,
2872 tooltip => "Shows your resistances",
2873 },
2874 "c/pets" => {
2875 id => "infobox",
2876 title => "Pets",
2877 reply => undef,
2878 tooltip => "Shows information abotu your pets/a specific pet",
2879 },
2880 "c/perceiveself" => {
2881 id => "infobox",
2882 title => "Perceive Self",
2883 reply => undef,
2884 tooltip => "You gained detailed knowledge about yourself",
2885 },
2886 "c/uptime" => {
2887 id => "infobox",
2888 title => "Uptime",
2889 reply => undef,
2890 tooltip => "How long the server has been running since last restart",
2891 },
2892 "c/mapinfo" => {
2893 id => "infobox",
2894 title => "Map Info",
2895 reply => undef,
2896 tooltip => "Information related to the maps",
2897 },
2898 "c/party" => {
2899 id => "party",
2900 title => "Party",
2901 reply => "gsay ",
2902 tooltip => "Messages and chat related to your party",
2903 },
2904 "c/death" => {
2905 id => "death",
2906 title => "Death",
2907 reply => undef,
2908 tooltip => "Reason for and more info about your most recent death",
2909 },
2910 "c/say" => $SAY_CHANNEL,
2911 "c/chat" => $CHAT_CHANNEL,
2912);
2913
2914sub cf::client::send_msg {
2915 my ($self, $channel, $msg, $color, @extra) = @_;
2916
2917 $msg = $self->pl->expand_cfpod ($msg)
2918 unless $color & cf::NDI_VERBATIM;
2919
2920 $color &= cf::NDI_CLIENT_MASK; # just in case...
2921
2922 # check predefined channels, for the benefit of C
2923 if ($CHANNEL{$channel}) {
2924 $channel = $CHANNEL{$channel};
2925
2926 $self->ext_msg (channel_info => $channel);
2927 $channel = $channel->{id};
2928
2929 } elsif (ref $channel) {
2930 # send meta info to client, if not yet sent
2931 unless (exists $self->{channel}{$channel->{id}}) {
2932 $self->{channel}{$channel->{id}} = $channel;
2933 $self->ext_msg (channel_info => $channel);
2934 }
2935
2936 $channel = $channel->{id};
2937 }
2938
2939 return unless @extra || length $msg;
2940
2941 # default colour, mask it out
2942 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2943 if $color & cf::NDI_DEF;
2944
2945 my $pkt = "msg "
2946 . $self->{json_coder}->encode (
2947 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2948 );
2949
2950 # try lzf for large packets
2951 $pkt = "lzf " . Compress::LZF::compress $pkt
2952 if 1024 <= length $pkt and $self->{can_lzf};
2953
2954 # split very large packets
2955 if (8192 < length $pkt and $self->{can_lzf}) {
2956 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2957 $pkt = "frag";
2958 }
2959
2960 $self->send_packet ($pkt);
2961}
2962
2145=item $client->ext_event ($type, %msg) 2963=item $client->ext_msg ($type, @msg)
2146 2964
2147Sends an exti event to the client. 2965Sends an ext event to the client.
2148 2966
2149=cut 2967=cut
2150 2968
2151sub cf::client::ext_event($$%) { 2969sub cf::client::ext_msg($$@) {
2152 my ($self, $type, %msg) = @_; 2970 my ($self, $type, @msg) = @_;
2153 2971
2972 if ($self->extcmd == 2) {
2973 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2974 } elsif ($self->extcmd == 1) { # TODO: remove
2154 $msg{msgtype} = "event_$type"; 2975 push @msg, msgtype => "event_$type";
2155 $self->send_packet ("ext " . cf::to_json \%msg); 2976 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2977 }
2978}
2979
2980=item $client->ext_reply ($msgid, @msg)
2981
2982Sends an ext reply to the client.
2983
2984=cut
2985
2986sub cf::client::ext_reply($$@) {
2987 my ($self, $id, @msg) = @_;
2988
2989 if ($self->extcmd == 2) {
2990 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2991 } elsif ($self->extcmd == 1) {
2992 #TODO: version 1, remove
2993 unshift @msg, msgtype => "reply", msgid => $id;
2994 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2995 }
2156} 2996}
2157 2997
2158=item $success = $client->query ($flags, "text", \&cb) 2998=item $success = $client->query ($flags, "text", \&cb)
2159 2999
2160Queues a query to the client, calling the given callback with 3000Queues a query to the client, calling the given callback with
2161the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3001the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3002C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163 3003
2164Queries can fail, so check the return code. Or don't, as queries will become 3004Queries can fail, so check the return code. Or don't, as queries will
2165reliable at some point in the future. 3005become reliable at some point in the future.
2166 3006
2167=cut 3007=cut
2168 3008
2169sub cf::client::query { 3009sub cf::client::query {
2170 my ($self, $flags, $text, $cb) = @_; 3010 my ($self, $flags, $text, $cb) = @_;
… …
2178 utf8::encode $text; 3018 utf8::encode $text;
2179 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3019 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180 3020
2181 $self->send_packet ($self->{query_queue}[0][0]) 3021 $self->send_packet ($self->{query_queue}[0][0])
2182 if @{ $self->{query_queue} } == 1; 3022 if @{ $self->{query_queue} } == 1;
3023
3024 1
2183} 3025}
2184 3026
2185cf::client->attach ( 3027cf::client->attach (
3028 on_connect => sub {
3029 my ($ns) = @_;
3030
3031 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3032 },
2186 on_reply => sub { 3033 on_reply => sub {
2187 my ($ns, $msg) = @_; 3034 my ($ns, $msg) = @_;
2188 3035
2189 # this weird shuffling is so that direct followup queries 3036 # this weird shuffling is so that direct followup queries
2190 # get handled first 3037 # get handled first
… …
2202 } else { 3049 } else {
2203 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3050 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204 } 3051 }
2205 } 3052 }
2206 }, 3053 },
3054 on_exticmd => sub {
3055 my ($ns, $buf) = @_;
3056
3057 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3058
3059 if (ref $msg) {
3060 my ($type, $reply, @payload) =
3061 "ARRAY" eq ref $msg
3062 ? @$msg
3063 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3064
3065 my @reply;
3066
3067 if (my $cb = $EXTICMD{$type}) {
3068 @reply = $cb->($ns, @payload);
3069 }
3070
3071 $ns->ext_reply ($reply, @reply)
3072 if $reply;
3073
3074 } else {
3075 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3076 }
3077
3078 cf::override;
3079 },
2207); 3080);
2208 3081
2209=item $client->async (\&cb) 3082=item $client->async (\&cb)
2210 3083
2211Create a new coroutine, running the specified callback. The coroutine will 3084Create a new coroutine, running the specified callback. The coroutine will
… …
2252our $safe = new Safe "safe"; 3125our $safe = new Safe "safe";
2253our $safe_hole = new Safe::Hole; 3126our $safe_hole = new Safe::Hole;
2254 3127
2255$SIG{FPE} = 'IGNORE'; 3128$SIG{FPE} = 'IGNORE';
2256 3129
2257$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3130$safe->permit_only (Opcode::opset qw(
3131 :base_core :base_mem :base_orig :base_math
3132 grepstart grepwhile mapstart mapwhile
3133 sort time
3134));
2258 3135
2259# here we export the classes and methods available to script code 3136# here we export the classes and methods available to script code
2260 3137
2261=pod 3138=pod
2262 3139
2263The following functions and methods are available within a safe environment: 3140The following functions and methods are available within a safe environment:
2264 3141
2265 cf::object contr pay_amount pay_player map 3142 cf::object
3143 contr pay_amount pay_player map x y force_find force_add destroy
3144 insert remove name archname title slaying race decrease split
3145 value
3146
2266 cf::object::player player 3147 cf::object::player
2267 cf::player peaceful 3148 player
2268 cf::map trigger 3149
3150 cf::player
3151 peaceful
3152
3153 cf::map
3154 trigger
2269 3155
2270=cut 3156=cut
2271 3157
2272for ( 3158for (
2273 ["cf::object" => qw(contr pay_amount pay_player map)], 3159 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3160 insert remove inv nrof name archname title slaying race
3161 decrease split destroy change_exp value msg lore send_msg)],
2274 ["cf::object::player" => qw(player)], 3162 ["cf::object::player" => qw(player)],
2275 ["cf::player" => qw(peaceful)], 3163 ["cf::player" => qw(peaceful send_msg)],
2276 ["cf::map" => qw(trigger)], 3164 ["cf::map" => qw(trigger)],
2277) { 3165) {
2278 no strict 'refs'; 3166 no strict 'refs';
2279 my ($pkg, @funs) = @$_; 3167 my ($pkg, @funs) = @$_;
2280 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3168 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2297 my ($code, %vars) = @_; 3185 my ($code, %vars) = @_;
2298 3186
2299 my $qcode = $code; 3187 my $qcode = $code;
2300 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3188 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2301 $qcode =~ s/\n/\\n/g; 3189 $qcode =~ s/\n/\\n/g;
3190
3191 %vars = (_dummy => 0) unless %vars;
2302 3192
2303 local $_; 3193 local $_;
2304 local @safe::cf::_safe_eval_args = values %vars; 3194 local @safe::cf::_safe_eval_args = values %vars;
2305 3195
2306 my $eval = 3196 my $eval =
… …
2349=back 3239=back
2350 3240
2351=cut 3241=cut
2352 3242
2353############################################################################# 3243#############################################################################
2354
2355=head2 EXTENSION DATABASE SUPPORT
2356
2357Crossfire maintains a very simple database for extension use. It can
2358currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359convert to/from binary).
2360
2361The parameter C<$family> should best start with the name of the extension
2362using it, it should be unique.
2363
2364=over 4
2365
2366=item $value = cf::db_get $family => $key
2367
2368Returns a single value from the database.
2369
2370=item cf::db_put $family => $key => $value
2371
2372Stores the given C<$value> in the family.
2373
2374=cut
2375
2376our $DB;
2377
2378sub db_init {
2379 unless ($DB) {
2380 $DB = BDB::db_create $DB_ENV;
2381
2382 cf::sync_job {
2383 eval {
2384 $DB->set_flags (BDB::CHKSUM);
2385
2386 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388 cf::cleanup "db_open(db): $!" if $!;
2389 };
2390 cf::cleanup "db_open(db): $@" if $@;
2391 };
2392 }
2393}
2394
2395sub db_get($$) {
2396 my $key = "$_[0]/$_[1]";
2397
2398 cf::sync_job {
2399 BDB::db_get $DB, undef, $key, my $data;
2400
2401 $! ? ()
2402 : $data
2403 }
2404}
2405
2406sub db_put($$$) {
2407 BDB::dbreq_pri 4;
2408 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409}
2410
2411=item cf::cache $id => [$paths...], $processversion => $process
2412
2413Generic caching function that returns the value of the resource $id,
2414caching and regenerating as required.
2415
2416This function can block.
2417
2418=cut
2419
2420sub cache {
2421 my ($id, $src, $processversion, $process) = @_;
2422
2423 my $meta =
2424 join "\x00",
2425 $processversion,
2426 map {
2427 aio_stat $_
2428 and Carp::croak "$_: $!";
2429
2430 ($_, (stat _)[7,9])
2431 } @$src;
2432
2433 my $dbmeta = db_get cache => "$id/meta";
2434 if ($dbmeta ne $meta) {
2435 # changed, we may need to process
2436
2437 my @data;
2438 my $md5;
2439
2440 for (0 .. $#$src) {
2441 0 <= aio_load $src->[$_], $data[$_]
2442 or Carp::croak "$src->[$_]: $!";
2443 }
2444
2445 # if processing is expensive, check
2446 # checksum first
2447 if (1) {
2448 $md5 =
2449 join "\x00",
2450 $processversion,
2451 map {
2452 Coro::cede;
2453 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2454 } 0.. $#$src;
2455
2456
2457 my $dbmd5 = db_get cache => "$id/md5";
2458 if ($dbmd5 eq $md5) {
2459 db_put cache => "$id/meta", $meta;
2460
2461 return db_get cache => "$id/data";
2462 }
2463 }
2464
2465 my $t1 = Time::HiRes::time;
2466 my $data = $process->(\@data);
2467 my $t2 = Time::HiRes::time;
2468
2469 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471 db_put cache => "$id/data", $data;
2472 db_put cache => "$id/md5" , $md5;
2473 db_put cache => "$id/meta", $meta;
2474
2475 return $data;
2476 }
2477
2478 db_get cache => "$id/data"
2479}
2480
2481=item fork_call { }, $args
2482
2483Executes the given code block with the given arguments in a seperate
2484process, returning the results. Everything must be serialisable with
2485Coro::Storable. May, of course, block. Note that the executed sub may
2486never block itself or use any form of Event handling.
2487
2488=cut
2489
2490sub fork_call(&@) {
2491 my ($cb, @args) = @_;
2492
2493# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494# or die "socketpair: $!";
2495 pipe my $fh1, my $fh2
2496 or die "pipe: $!";
2497
2498 if (my $pid = fork) {
2499 close $fh2;
2500
2501 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502 $res = Coro::Storable::thaw $res;
2503
2504 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506 die $$res unless "ARRAY" eq ref $res;
2507
2508 return wantarray ? @$res : $res->[-1];
2509 } else {
2510 reset_signals;
2511 local $SIG{__WARN__};
2512 local $SIG{__DIE__};
2513 eval {
2514 close $fh1;
2515
2516 my @res = eval { $cb->(@args) };
2517 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518 };
2519
2520 warn $@ if $@;
2521 _exit 0;
2522 }
2523}
2524
2525#############################################################################
2526# the server's init and main functions 3244# the server's init and main functions
2527 3245
2528sub load_facedata($) { 3246sub load_facedata($) {
2529 my ($path) = @_; 3247 my ($path) = @_;
3248
3249 # HACK to clear player env face cache, we need some signal framework
3250 # for this (global event?)
3251 %ext::player_env::MUSIC_FACE_CACHE = ();
3252
3253 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530 3254
2531 warn "loading facedata from $path\n"; 3255 warn "loading facedata from $path\n";
2532 3256
2533 my $facedata; 3257 my $facedata;
2534 0 < aio_load $path, $facedata 3258 0 < aio_load $path, $facedata
… …
2537 $facedata = Coro::Storable::thaw $facedata; 3261 $facedata = Coro::Storable::thaw $facedata;
2538 3262
2539 $facedata->{version} == 2 3263 $facedata->{version} == 2
2540 or cf::cleanup "$path: version mismatch, cannot proceed."; 3264 or cf::cleanup "$path: version mismatch, cannot proceed.";
2541 3265
3266 # patch in the exptable
3267 $facedata->{resource}{"res/exp_table"} = {
3268 type => FT_RSRC,
3269 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3270 };
3271 cf::cede_to_tick;
3272
2542 { 3273 {
2543 my $faces = $facedata->{faceinfo}; 3274 my $faces = $facedata->{faceinfo};
2544 3275
2545 while (my ($face, $info) = each %$faces) { 3276 while (my ($face, $info) = each %$faces) {
2546 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3277 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3278
2547 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3279 cf::face::set_visibility $idx, $info->{visibility};
3280 cf::face::set_magicmap $idx, $info->{magicmap};
2548 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3281 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3282 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550 Coro::cede; 3283
3284 cf::cede_to_tick;
2551 } 3285 }
2552 3286
2553 while (my ($face, $info) = each %$faces) { 3287 while (my ($face, $info) = each %$faces) {
2554 next unless $info->{smooth}; 3288 next unless $info->{smooth};
3289
2555 my $idx = cf::face::find $face 3290 my $idx = cf::face::find $face
2556 or next; 3291 or next;
3292
2557 if (my $smooth = cf::face::find $info->{smooth}) { 3293 if (my $smooth = cf::face::find $info->{smooth}) {
3294 cf::face::set_smooth $idx, $smooth;
2558 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3295 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559 } else { 3296 } else {
2560 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3297 warn "smooth face '$info->{smooth}' not found for face '$face'";
2561 } 3298 }
2562 Coro::cede; 3299
3300 cf::cede_to_tick;
2563 } 3301 }
2564 } 3302 }
2565 3303
2566 { 3304 {
2567 my $anims = $facedata->{animinfo}; 3305 my $anims = $facedata->{animinfo};
2568 3306
2569 while (my ($anim, $info) = each %$anims) { 3307 while (my ($anim, $info) = each %$anims) {
2570 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3308 cf::anim::set $anim, $info->{frames}, $info->{facings};
2571 Coro::cede; 3309 cf::cede_to_tick;
2572 } 3310 }
2573 3311
2574 cf::anim::invalidate_all; # d'oh 3312 cf::anim::invalidate_all; # d'oh
2575 } 3313 }
2576 3314
3315 {
3316 # TODO: for gcfclient pleasure, we should give resources
3317 # that gcfclient doesn't grok a >10000 face index.
3318 my $res = $facedata->{resource};
3319
3320 while (my ($name, $info) = each %$res) {
3321 if (defined $info->{type}) {
3322 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3323 my $data;
3324
3325 if ($info->{type} & 1) {
3326 # prepend meta info
3327
3328 my $meta = $enc->encode ({
3329 name => $name,
3330 %{ $info->{meta} || {} },
3331 });
3332
3333 $data = pack "(w/a*)*", $meta, $info->{data};
3334 } else {
3335 $data = $info->{data};
3336 }
3337
3338 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3339 cf::face::set_type $idx, $info->{type};
3340 } else {
3341 $RESOURCE{$name} = $info;
3342 }
3343
3344 cf::cede_to_tick;
3345 }
3346 }
3347
3348 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3349
2577 1 3350 1
2578} 3351}
2579 3352
3353cf::global->attach (on_resource_update => sub {
3354 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3355 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3356
3357 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3358 my $sound = $soundconf->{compat}[$_]
3359 or next;
3360
3361 my $face = cf::face::find "sound/$sound->[1]";
3362 cf::sound::set $sound->[0] => $face;
3363 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3364 }
3365
3366 while (my ($k, $v) = each %{$soundconf->{event}}) {
3367 my $face = cf::face::find "sound/$v";
3368 cf::sound::set $k => $face;
3369 }
3370 }
3371});
3372
3373register_exticmd fx_want => sub {
3374 my ($ns, $want) = @_;
3375
3376 while (my ($k, $v) = each %$want) {
3377 $ns->fx_want ($k, $v);
3378 }
3379};
3380
3381sub load_resource_file($) {
3382 my $guard = lock_acquire "load_resource_file";
3383
3384 my $status = load_resource_file_ $_[0];
3385 get_slot 0.1, 100;
3386 cf::arch::commit_load;
3387
3388 $status
3389}
3390
2580sub reload_regions { 3391sub reload_regions {
3392 # HACK to clear player env face cache, we need some signal framework
3393 # for this (global event?)
3394 %ext::player_env::MUSIC_FACE_CACHE = ();
3395
2581 load_resource_file "$MAPDIR/regions" 3396 load_resource_file "$MAPDIR/regions"
2582 or die "unable to load regions file\n"; 3397 or die "unable to load regions file\n";
3398
3399 for (cf::region::list) {
3400 $_->{match} = qr/$_->{match}/
3401 if exists $_->{match};
3402 }
2583} 3403}
2584 3404
2585sub reload_facedata { 3405sub reload_facedata {
2586 load_facedata "$DATADIR/facedata" 3406 load_facedata "$DATADIR/facedata"
2587 or die "unable to load facedata\n"; 3407 or die "unable to load facedata\n";
… …
2598} 3418}
2599 3419
2600sub reload_resources { 3420sub reload_resources {
2601 warn "reloading resource files...\n"; 3421 warn "reloading resource files...\n";
2602 3422
3423 reload_facedata;
3424 reload_archetypes;
2603 reload_regions; 3425 reload_regions;
2604 reload_facedata;
2605 #reload_archetypes;#d#
2606 reload_archetypes;
2607 reload_treasures; 3426 reload_treasures;
2608 3427
2609 warn "finished reloading resource files\n"; 3428 warn "finished reloading resource files\n";
2610} 3429}
2611 3430
2612sub init { 3431sub reload_config {
2613 reload_resources; 3432 warn "reloading config file...\n";
2614}
2615 3433
2616sub cfg_load {
2617 open my $fh, "<:utf8", "$CONFDIR/config" 3434 open my $fh, "<:utf8", "$CONFDIR/config"
2618 or return; 3435 or return;
2619 3436
2620 local $/; 3437 local $/;
2621 *CFG = YAML::Syck::Load <$fh>; 3438 *CFG = YAML::XS::Load scalar <$fh>;
2622 3439
2623 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3440 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624 3441
2625 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3442 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3443 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2630 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3447 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2631 and die "WARNING: m(un)lockall failed: $!\n"; 3448 and die "WARNING: m(un)lockall failed: $!\n";
2632 }; 3449 };
2633 warn $@ if $@; 3450 warn $@ if $@;
2634 } 3451 }
3452
3453 warn "finished reloading resource files\n";
3454}
3455
3456sub pidfile() {
3457 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3458 or die "$PIDFILE: $!";
3459 flock $fh, &Fcntl::LOCK_EX
3460 or die "$PIDFILE: flock: $!";
3461 $fh
3462}
3463
3464# make sure only one server instance is running at any one time
3465sub atomic {
3466 my $fh = pidfile;
3467
3468 my $pid = <$fh>;
3469 kill 9, $pid if $pid > 0;
3470
3471 seek $fh, 0, 0;
3472 print $fh $$;
3473}
3474
3475sub main_loop {
3476 warn "EV::loop starting\n";
3477 if (1) {
3478 EV::loop;
3479 }
3480 warn "EV::loop returned\n";
3481 goto &main_loop unless $REALLY_UNLOOP;
2635} 3482}
2636 3483
2637sub main { 3484sub main {
3485 cf::init_globals; # initialise logging
3486
3487 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3488 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3489 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3490 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3491
3492 cf::init_experience;
3493 cf::init_anim;
3494 cf::init_attackmess;
3495 cf::init_dynamic;
3496
3497 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3498
2638 # we must not ever block the main coroutine 3499 # we must not ever block the main coroutine
2639 local $Coro::idle = sub { 3500 local $Coro::idle = sub {
2640 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3501 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641 (async { 3502 (async {
2642 Event::one_event; 3503 $Coro::current->{desc} = "IDLE BUG HANDLER";
3504 EV::loop EV::LOOP_ONESHOT;
2643 })->prio (Coro::PRIO_MAX); 3505 })->prio (Coro::PRIO_MAX);
2644 }; 3506 };
2645 3507
2646 cfg_load; 3508 evthread_start IO::AIO::poll_fileno;
3509
3510 cf::sync_job {
3511 reload_resources;
3512 reload_config;
2647 db_init; 3513 db_init;
3514
3515 cf::load_settings;
3516 cf::load_materials;
3517 cf::init_uuid;
3518 cf::init_signals;
3519 cf::init_commands;
3520 cf::init_skills;
3521
3522 cf::init_beforeplay;
3523
3524 atomic;
3525
2648 load_extensions; 3526 load_extensions;
2649 3527
2650 $TICK_WATCHER->start; 3528 utime time, time, $RUNTIMEFILE;
2651 Event::loop; 3529
3530 # no (long-running) fork's whatsoever before this point(!)
3531 use POSIX ();
3532 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3533
3534 (pop @POST_INIT)->(0) while @POST_INIT;
3535 };
3536
3537 main_loop;
2652} 3538}
2653 3539
2654############################################################################# 3540#############################################################################
2655# initialisation and cleanup 3541# initialisation and cleanup
2656 3542
2657# install some emergency cleanup handlers 3543# install some emergency cleanup handlers
2658BEGIN { 3544BEGIN {
3545 our %SIGWATCHER = ();
2659 for my $signal (qw(INT HUP TERM)) { 3546 for my $signal (qw(INT HUP TERM)) {
2660 Event->signal ( 3547 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2661 reentrant => 0,
2662 data => WF_AUTOCANCEL,
2663 signal => $signal,
2664 prio => 0,
2665 cb => sub {
2666 cf::cleanup "SIG$signal"; 3548 cf::cleanup "SIG$signal";
2667 },
2668 ); 3549 };
3550 }
3551}
3552
3553sub write_runtime_sync {
3554 # first touch the runtime file to show we are still running:
3555 # the fsync below can take a very very long time.
3556
3557 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3558
3559 my $guard = cf::lock_acquire "write_runtime";
3560
3561 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3562 or return;
3563
3564 my $value = $cf::RUNTIME + 90 + 10;
3565 # 10 is the runtime save interval, for a monotonic clock
3566 # 60 allows for the watchdog to kill the server.
3567
3568 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3569 and return;
3570
3571 # always fsync - this file is important
3572 aio_fsync $fh
3573 and return;
3574
3575 # touch it again to show we are up-to-date
3576 aio_utime $fh, undef, undef;
3577
3578 close $fh
3579 or return;
3580
3581 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3582 and return;
3583
3584 warn "runtime file written.\n";
3585
2669 } 3586 1
3587}
3588
3589our $uuid_lock;
3590our $uuid_skip;
3591
3592sub write_uuid_sync($) {
3593 $uuid_skip ||= $_[0];
3594
3595 return if $uuid_lock;
3596 local $uuid_lock = 1;
3597
3598 my $uuid = "$LOCALDIR/uuid";
3599
3600 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3601 or return;
3602
3603 my $value = uuid_seq uuid_cur;
3604
3605 unless ($value) {
3606 warn "cowardly refusing to write zero uuid value!\n";
3607 return;
3608 }
3609
3610 my $value = uuid_str $value + $uuid_skip;
3611 $uuid_skip = 0;
3612
3613 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3614 and return;
3615
3616 # always fsync - this file is important
3617 aio_fsync $fh
3618 and return;
3619
3620 close $fh
3621 or return;
3622
3623 aio_rename "$uuid~", $uuid
3624 and return;
3625
3626 warn "uuid file written ($value).\n";
3627
3628 1
3629
3630}
3631
3632sub write_uuid($$) {
3633 my ($skip, $sync) = @_;
3634
3635 $sync ? write_uuid_sync $skip
3636 : async { write_uuid_sync $skip };
2670} 3637}
2671 3638
2672sub emergency_save() { 3639sub emergency_save() {
2673 my $freeze_guard = cf::freeze_mainloop; 3640 my $freeze_guard = cf::freeze_mainloop;
2674 3641
2675 warn "enter emergency perl save\n"; 3642 warn "emergency_perl_save: enter\n";
2676 3643
2677 cf::sync_job { 3644 cf::sync_job {
3645 # this is a trade-off: we want to be very quick here, so
3646 # save all maps without fsync, and later call a global sync
3647 # (which in turn might be very very slow)
3648 local $USE_FSYNC = 0;
3649
2678 # use a peculiar iteration method to avoid tripping on perl 3650 # use a peculiar iteration method to avoid tripping on perl
2679 # refcount bugs in for. also avoids problems with players 3651 # refcount bugs in for. also avoids problems with players
2680 # and maps saved/destroyed asynchronously. 3652 # and maps saved/destroyed asynchronously.
2681 warn "begin emergency player save\n"; 3653 warn "emergency_perl_save: begin player save\n";
2682 for my $login (keys %cf::PLAYER) { 3654 for my $login (keys %cf::PLAYER) {
2683 my $pl = $cf::PLAYER{$login} or next; 3655 my $pl = $cf::PLAYER{$login} or next;
2684 $pl->valid or next; 3656 $pl->valid or next;
3657 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685 $pl->save; 3658 $pl->save;
2686 } 3659 }
2687 warn "end emergency player save\n"; 3660 warn "emergency_perl_save: end player save\n";
2688 3661
2689 warn "begin emergency map save\n"; 3662 warn "emergency_perl_save: begin map save\n";
2690 for my $path (keys %cf::MAP) { 3663 for my $path (keys %cf::MAP) {
2691 my $map = $cf::MAP{$path} or next; 3664 my $map = $cf::MAP{$path} or next;
2692 $map->valid or next; 3665 $map->valid or next;
2693 $map->save; 3666 $map->save;
2694 } 3667 }
2695 warn "end emergency map save\n"; 3668 warn "emergency_perl_save: end map save\n";
2696 3669
2697 warn "begin emergency database checkpoint\n"; 3670 warn "emergency_perl_save: begin database checkpoint\n";
2698 BDB::db_env_txn_checkpoint $DB_ENV; 3671 BDB::db_env_txn_checkpoint $DB_ENV;
2699 warn "end emergency database checkpoint\n"; 3672 warn "emergency_perl_save: end database checkpoint\n";
3673
3674 warn "emergency_perl_save: begin write uuid\n";
3675 write_uuid_sync 1;
3676 warn "emergency_perl_save: end write uuid\n";
2700 }; 3677 };
2701 3678
3679 warn "emergency_perl_save: starting sync()\n";
3680 IO::AIO::aio_sync sub {
3681 warn "emergency_perl_save: finished sync()\n";
3682 };
3683
2702 warn "leave emergency perl save\n"; 3684 warn "emergency_perl_save: leave\n";
2703} 3685}
2704 3686
2705sub post_cleanup { 3687sub post_cleanup {
2706 my ($make_core) = @_; 3688 my ($make_core) = @_;
2707 3689
2708 warn Carp::longmess "post_cleanup backtrace" 3690 warn Carp::longmess "post_cleanup backtrace"
2709 if $make_core; 3691 if $make_core;
3692
3693 my $fh = pidfile;
3694 unlink $PIDFILE if <$fh> == $$;
3695}
3696
3697# a safer delete_package, copied from Symbol
3698sub clear_package($) {
3699 my $pkg = shift;
3700
3701 # expand to full symbol table name if needed
3702 unless ($pkg =~ /^main::.*::$/) {
3703 $pkg = "main$pkg" if $pkg =~ /^::/;
3704 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3705 $pkg .= '::' unless $pkg =~ /::$/;
3706 }
3707
3708 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3709 my $stem_symtab = *{$stem}{HASH};
3710
3711 defined $stem_symtab and exists $stem_symtab->{$leaf}
3712 or return;
3713
3714 # clear all symbols
3715 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3716 for my $name (keys %$leaf_symtab) {
3717 _gv_clear *{"$pkg$name"};
3718# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3719 }
3720 warn "cleared package $pkg\n";#d#
2710} 3721}
2711 3722
2712sub do_reload_perl() { 3723sub do_reload_perl() {
2713 # can/must only be called in main 3724 # can/must only be called in main
2714 if ($Coro::current != $Coro::main) { 3725 if ($Coro::current != $Coro::main) {
2715 warn "can only reload from main coroutine"; 3726 warn "can only reload from main coroutine";
2716 return; 3727 return;
2717 } 3728 }
2718 3729
3730 return if $RELOAD++;
3731
3732 my $t1 = EV::time;
3733
3734 while ($RELOAD) {
2719 warn "reloading..."; 3735 warn "reloading...";
2720 3736
2721 warn "entering sync_job"; 3737 warn "entering sync_job";
2722 3738
2723 cf::sync_job { 3739 cf::sync_job {
2724 cf::write_runtime; # external watchdog should not bark 3740 cf::write_runtime_sync; # external watchdog should not bark
2725 cf::emergency_save; 3741 cf::emergency_save;
2726 cf::write_runtime; # external watchdog should not bark 3742 cf::write_runtime_sync; # external watchdog should not bark
2727 3743
2728 warn "syncing database to disk"; 3744 warn "syncing database to disk";
2729 BDB::db_env_txn_checkpoint $DB_ENV; 3745 BDB::db_env_txn_checkpoint $DB_ENV;
2730 3746
2731 # if anything goes wrong in here, we should simply crash as we already saved 3747 # if anything goes wrong in here, we should simply crash as we already saved
2732 3748
2733 warn "cancelling all WF_AUTOCANCEL watchers";
2734 for (Event::all_watchers) {
2735 $_->cancel if $_->data & WF_AUTOCANCEL;
2736 }
2737
2738 warn "flushing outstanding aio requests"; 3749 warn "flushing outstanding aio requests";
2739 for (;;) {
2740 BDB::flush;
2741 IO::AIO::flush;
2742 Coro::cede;
2743 last unless IO::AIO::nreqs || BDB::nreqs; 3750 while (IO::AIO::nreqs || BDB::nreqs) {
2744 warn "iterate..."; 3751 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745 }
2746
2747 ++$RELOAD;
2748
2749 warn "cancelling all extension coros";
2750 $_->cancel for values %EXT_CORO;
2751 %EXT_CORO = ();
2752
2753 warn "removing commands";
2754 %COMMAND = ();
2755
2756 warn "removing ext commands";
2757 %EXTCMD = ();
2758
2759 warn "unloading/nuking all extensions";
2760 for my $pkg (@EXTS) {
2761 warn "... unloading $pkg";
2762
2763 if (my $cb = $pkg->can ("unload")) {
2764 eval {
2765 $cb->($pkg);
2766 1
2767 } or warn "$pkg unloaded, but with errors: $@";
2768 } 3752 }
2769 3753
2770 warn "... nuking $pkg"; 3754 warn "cancelling all extension coros";
2771 Symbol::delete_package $pkg; 3755 $_->cancel for values %EXT_CORO;
2772 } 3756 %EXT_CORO = ();
2773 3757
2774 warn "unloading all perl modules loaded from $LIBDIR"; 3758 warn "removing commands";
2775 while (my ($k, $v) = each %INC) { 3759 %COMMAND = ();
2776 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777 3760
3761 warn "removing ext/exti commands";
3762 %EXTCMD = ();
3763 %EXTICMD = ();
3764
3765 warn "unloading/nuking all extensions";
3766 for my $pkg (@EXTS) {
2778 warn "... unloading $k"; 3767 warn "... unloading $pkg";
2779 delete $INC{$k};
2780 3768
2781 $k =~ s/\.pm$//;
2782 $k =~ s/\//::/g;
2783
2784 if (my $cb = $k->can ("unload_module")) { 3769 if (my $cb = $pkg->can ("unload")) {
3770 eval {
2785 $cb->(); 3771 $cb->($pkg);
3772 1
3773 } or warn "$pkg unloaded, but with errors: $@";
3774 }
3775
3776 warn "... clearing $pkg";
3777 clear_package $pkg;
2786 } 3778 }
2787 3779
2788 Symbol::delete_package $k; 3780 warn "unloading all perl modules loaded from $LIBDIR";
3781 while (my ($k, $v) = each %INC) {
3782 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3783
3784 warn "... unloading $k";
3785 delete $INC{$k};
3786
3787 $k =~ s/\.pm$//;
3788 $k =~ s/\//::/g;
3789
3790 if (my $cb = $k->can ("unload_module")) {
3791 $cb->();
3792 }
3793
3794 clear_package $k;
2789 } 3795 }
2790 3796
2791 warn "getting rid of safe::, as good as possible"; 3797 warn "getting rid of safe::, as good as possible";
2792 Symbol::delete_package "safe::$_" 3798 clear_package "safe::$_"
2793 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3799 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794 3800
2795 warn "unloading cf.pm \"a bit\""; 3801 warn "unloading cf.pm \"a bit\"";
2796 delete $INC{"cf.pm"}; 3802 delete $INC{"cf.pm"};
2797 delete $INC{"cf/pod.pm"}; 3803 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798 3804
2799 # don't, removes xs symbols, too, 3805 # don't, removes xs symbols, too,
2800 # and global variables created in xs 3806 # and global variables created in xs
2801 #Symbol::delete_package __PACKAGE__; 3807 #clear_package __PACKAGE__;
2802 3808
2803 warn "unload completed, starting to reload now"; 3809 warn "unload completed, starting to reload now";
2804 3810
2805 warn "reloading cf.pm"; 3811 warn "reloading cf.pm";
2806 require cf; 3812 require cf;
2807 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3813 cf::_connect_to_perl_1;
2808 3814
2809 warn "loading config and database again"; 3815 warn "loading config and database again";
2810 cf::cfg_load; 3816 cf::reload_config;
2811 3817
2812 warn "loading extensions"; 3818 warn "loading extensions";
2813 cf::load_extensions; 3819 cf::load_extensions;
2814 3820
3821 if ($REATTACH_ON_RELOAD) {
2815 warn "reattaching attachments to objects/players"; 3822 warn "reattaching attachments to objects/players";
2816 _global_reattach; # objects, sockets 3823 _global_reattach; # objects, sockets
2817 warn "reattaching attachments to maps"; 3824 warn "reattaching attachments to maps";
2818 reattach $_ for values %MAP; 3825 reattach $_ for values %MAP;
2819 warn "reattaching attachments to players"; 3826 warn "reattaching attachments to players";
2820 reattach $_ for values %PLAYER; 3827 reattach $_ for values %PLAYER;
3828 }
2821 3829
3830 warn "running post_init jobs";
3831 (pop @POST_INIT)->(1) while @POST_INIT;
3832
2822 warn "leaving sync_job"; 3833 warn "leaving sync_job";
2823 3834
2824 1 3835 1
2825 } or do { 3836 } or do {
2826 warn $@; 3837 warn $@;
2827 warn "error while reloading, exiting."; 3838 cf::cleanup "error while reloading, exiting.";
2828 exit 1;
2829 }; 3839 };
2830 3840
2831 warn "reloaded"; 3841 warn "reloaded";
3842 --$RELOAD;
3843 }
3844
3845 $t1 = EV::time - $t1;
3846 warn "reload completed in ${t1}s\n";
2832}; 3847};
2833 3848
2834our $RELOAD_WATCHER; # used only during reload 3849our $RELOAD_WATCHER; # used only during reload
2835 3850
2836sub reload_perl() { 3851sub reload_perl() {
2837 # doing reload synchronously and two reloads happen back-to-back, 3852 # doing reload synchronously and two reloads happen back-to-back,
2838 # coro crashes during coro_state_free->destroy here. 3853 # coro crashes during coro_state_free->destroy here.
2839 3854
2840 $RELOAD_WATCHER ||= Event->timer ( 3855 $RELOAD_WATCHER ||= cf::async {
2841 reentrant => 0, 3856 Coro::AIO::aio_wait cache_extensions;
2842 after => 0, 3857
2843 data => WF_AUTOCANCEL, 3858 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2844 cb => sub {
2845 do_reload_perl; 3859 do_reload_perl;
2846 undef $RELOAD_WATCHER; 3860 undef $RELOAD_WATCHER;
2847 }, 3861 };
2848 ); 3862 };
2849} 3863}
2850 3864
2851register_command "reload" => sub { 3865register_command "reload" => sub {
2852 my ($who, $arg) = @_; 3866 my ($who, $arg) = @_;
2853 3867
2854 if ($who->flag (FLAG_WIZ)) { 3868 if ($who->flag (FLAG_WIZ)) {
2855 $who->message ("reloading server."); 3869 $who->message ("reloading server.");
3870 async {
3871 $Coro::current->{desc} = "perl_reload";
2856 async { reload_perl }; 3872 reload_perl;
3873 };
2857 } 3874 }
2858}; 3875};
2859 3876
2860unshift @INC, $LIBDIR; 3877unshift @INC, $LIBDIR;
2861 3878
… …
2863 3880
2864our @WAIT_FOR_TICK; 3881our @WAIT_FOR_TICK;
2865our @WAIT_FOR_TICK_BEGIN; 3882our @WAIT_FOR_TICK_BEGIN;
2866 3883
2867sub wait_for_tick { 3884sub wait_for_tick {
2868 return unless $TICK_WATCHER->is_active;
2869 return if $Coro::current == $Coro::main; 3885 return if tick_inhibit || $Coro::current == $Coro::main;
2870 3886
2871 my $signal = new Coro::Signal; 3887 my $signal = new Coro::Signal;
2872 push @WAIT_FOR_TICK, $signal; 3888 push @WAIT_FOR_TICK, $signal;
2873 $signal->wait; 3889 $signal->wait;
2874} 3890}
2875 3891
2876sub wait_for_tick_begin { 3892sub wait_for_tick_begin {
2877 return unless $TICK_WATCHER->is_active;
2878 return if $Coro::current == $Coro::main; 3893 return if tick_inhibit || $Coro::current == $Coro::main;
2879 3894
2880 my $signal = new Coro::Signal; 3895 my $signal = new Coro::Signal;
2881 push @WAIT_FOR_TICK_BEGIN, $signal; 3896 push @WAIT_FOR_TICK_BEGIN, $signal;
2882 $signal->wait; 3897 $signal->wait;
2883} 3898}
2884 3899
2885 my $min = 1e6;#d# 3900sub tick {
2886 my $avg = 10;
2887$TICK_WATCHER = Event->timer (
2888 reentrant => 0,
2889 parked => 1,
2890 prio => 0,
2891 at => $NEXT_TICK || $TICK,
2892 data => WF_AUTOCANCEL,
2893 cb => sub {
2894 if ($Coro::current != $Coro::main) { 3901 if ($Coro::current != $Coro::main) {
2895 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3902 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896 unless ++$bug_warning > 10; 3903 unless ++$bug_warning > 10;
2897 return; 3904 return;
2898 } 3905 }
2899 3906
2900 $NOW = $tick_start = Event::time;
2901
2902 cf::server_tick; # one server iteration 3907 cf::server_tick; # one server iteration
2903 3908
2904 0 && sync_job {#d# 3909 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2905 for(1..10) { 3910 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2906 my $t = Event::time; 3911 Coro::async_pool {
2907 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3912 $Coro::current->{desc} = "runtime saver";
2908 or die; 3913 write_runtime_sync
2909 3914 or warn "ERROR: unable to write runtime file: $!";
2910 $map->width (50);
2911 $map->height (50);
2912 $map->alloc;
2913 $map->_load_objects ("/tmp/x.map", 1);
2914 my $t = Event::time - $t;
2915
2916 #next unless $t < 0.0013;#d#
2917 if ($t < $min) {
2918 $min = $t;
2919 }
2920 $avg = $avg * 0.99 + $t * 0.01;
2921 }
2922 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923 exit 0;
2924 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925 }; 3915 };
3916 }
2926 3917
2927 $RUNTIME += $TICK;
2928 $NEXT_TICK += $TICK;
2929
2930 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931 $NEXT_RUNTIME_WRITE = $NOW + 10;
2932 Coro::async_pool {
2933 write_runtime
2934 or warn "ERROR: unable to write runtime file: $!";
2935 };
2936 }
2937
2938# my $AFTER = Event::time;
2939# warn $AFTER - $NOW;#d#
2940
2941 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3918 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942 $sig->send; 3919 $sig->send;
2943 } 3920 }
2944 while (my $sig = shift @WAIT_FOR_TICK) { 3921 while (my $sig = shift @WAIT_FOR_TICK) {
2945 $sig->send; 3922 $sig->send;
2946 } 3923 }
2947 3924
2948 $NOW = Event::time; 3925 $LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950 # if we are delayed by four ticks or more, skip them all
2951 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953 $TICK_WATCHER->at ($NEXT_TICK);
2954 $TICK_WATCHER->start;
2955
2956 $LOAD = ($NOW - $tick_start) / $TICK;
2957 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3926 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958 3927
2959 _post_tick; 3928 if (0) {
2960 3929 if ($NEXT_TICK) {
2961 3930 my $jitter = $TICK_START - $NEXT_TICK;
3931 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3932 warn "jitter $JITTER\n";#d#
3933 }
2962 }, 3934 }
2963); 3935}
2964 3936
2965{ 3937{
2966 BDB::max_poll_time $TICK * 0.1; 3938 # configure BDB
2967 $BDB_POLL_WATCHER = Event->io ( 3939
2968 reentrant => 0,
2969 fd => BDB::poll_fileno,
2970 poll => 'r',
2971 prio => 0,
2972 data => WF_AUTOCANCEL,
2973 cb => \&BDB::poll_cb,
2974 );
2975 BDB::min_parallel 8; 3940 BDB::min_parallel 8;
2976 3941 BDB::max_poll_reqs $TICK * 0.1;
2977 BDB::set_sync_prepare { 3942 $AnyEvent::BDB::WATCHER->priority (1);
2978 my $status;
2979 my $current = $Coro::current;
2980 (
2981 sub {
2982 $status = $!;
2983 $current->ready; undef $current;
2984 },
2985 sub {
2986 Coro::schedule while defined $current;
2987 $! = $status;
2988 },
2989 )
2990 };
2991 3943
2992 unless ($DB_ENV) { 3944 unless ($DB_ENV) {
2993 $DB_ENV = BDB::db_env_create; 3945 $DB_ENV = BDB::db_env_create;
3946 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3947 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3948 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3949 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3950 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994 3951
2995 cf::sync_job { 3952 cf::sync_job {
2996 eval { 3953 eval {
2997 BDB::db_env_open 3954 BDB::db_env_open
2998 $DB_ENV, 3955 $DB_ENV,
… …
3000 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3957 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3958 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002 0666; 3959 0666;
3003 3960
3004 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3961 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007 $DB_ENV->set_lk_detect;
3008 }; 3962 };
3009 3963
3010 cf::cleanup "db_env_open(db): $@" if $@; 3964 cf::cleanup "db_env_open(db): $@" if $@;
3011 }; 3965 };
3012 } 3966 }
3967
3968 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3969 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3970 };
3971 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3972 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3973 };
3974 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3975 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3976 };
3013} 3977}
3014 3978
3015{ 3979{
3980 # configure IO::AIO
3981
3016 IO::AIO::min_parallel 8; 3982 IO::AIO::min_parallel 8;
3017
3018 undef $Coro::AIO::WATCHER;
3019 IO::AIO::max_poll_time $TICK * 0.1; 3983 IO::AIO::max_poll_time $TICK * 0.1;
3020 $AIO_POLL_WATCHER = Event->io ( 3984 undef $AnyEvent::AIO::WATCHER;
3021 reentrant => 0,
3022 data => WF_AUTOCANCEL,
3023 fd => IO::AIO::poll_fileno,
3024 poll => 'r',
3025 prio => 6,
3026 cb => \&IO::AIO::poll_cb,
3027 );
3028} 3985}
3029 3986
3030my $_log_backtrace; 3987my $_log_backtrace;
3031 3988
3032sub _log_backtrace { 3989sub _log_backtrace {
… …
3035 $msg =~ s/\n//; 3992 $msg =~ s/\n//;
3036 3993
3037 # limit the # of concurrent backtraces 3994 # limit the # of concurrent backtraces
3038 if ($_log_backtrace < 2) { 3995 if ($_log_backtrace < 2) {
3039 ++$_log_backtrace; 3996 ++$_log_backtrace;
3997 my $perl_bt = Carp::longmess $msg;
3040 async { 3998 async {
3999 $Coro::current->{desc} = "abt $msg";
4000
3041 my @bt = fork_call { 4001 my @bt = fork_call {
3042 @addr = map { sprintf "%x", $_ } @addr; 4002 @addr = map { sprintf "%x", $_ } @addr;
3043 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4004 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045 or die "addr2line: $!"; 4005 or die "addr2line: $!";
… …
3053 } 4013 }
3054 4014
3055 @funcs 4015 @funcs
3056 }; 4016 };
3057 4017
3058 LOG llevInfo, "[ABT] $msg\n"; 4018 LOG llevInfo, "[ABT] $perl_bt\n";
4019 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059 LOG llevInfo, "[ABT] $_\n" for @bt; 4020 LOG llevInfo, "[ABT] $_\n" for @bt;
3060 --$_log_backtrace; 4021 --$_log_backtrace;
3061 }; 4022 };
3062 } else { 4023 } else {
3063 LOG llevInfo, "[ABT] $msg\n"; 4024 LOG llevInfo, "[ABT] $msg\n";
3064 LOG llevInfo, "[ABT] [suppressed]\n"; 4025 LOG llevInfo, "[ABT] [suppressed]\n";
3065 } 4026 }
3066} 4027}
3067 4028
3068# load additional modules 4029# load additional modules
3069use cf::pod; 4030require "cf/$_.pm" for @EXTRA_MODULES;
4031cf::_connect_to_perl_2;
3070 4032
3071END { cf::emergency_save } 4033END { cf::emergency_save }
3072 4034
30731 40351
3074 4036

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