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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.481 by root, Sun Oct 11 00:24:35 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
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your 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 GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 76
40$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
41 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 79
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 81
49our %COMMAND = (); 82our %COMMAND = ();
50our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
51 84
52our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
56 90
57our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
59 95
60our $CONFDIR = confdir; 96our $CONFDIR = confdir;
61our $DATADIR = datadir; 97our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
110our %RESOURCE;
71 111
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $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 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 114our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
79 116
117our $BDB_DEADLOCK_WATCHER;
118our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 119our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 120our $DB_ENV;
121
122our @EXTRA_MODULES = qw(pod match mapscript);
82 123
83our %CFG; 124our %CFG;
84 125
85our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 127our $RUNTIME;
128our $NOW;
87 129
88our %PLAYER; # all users 130our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 131our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 132our $LINK_MAP; # the special {link} map, which is always available
91 133
92# used to convert map paths into valid unix filenames by replacing / by ∕ 134# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 135our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 136
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
139our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 140our $TICK_START; # for load detecting purposes
141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
98 146
99binmode STDOUT; 147binmode STDOUT;
100binmode STDERR; 148binmode STDERR;
101 149
102# read virtual server time, if available 150# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
107} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
108 158
109mkdir $_ 159mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 161
112our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
113 163
114sub cf::map::normalise; 164sub cf::map::normalise;
165
166#############################################################################
167
168%REFLECT = ();
169for (@REFLECT) {
170 my $reflect = JSON::XS::decode_json $_;
171 $REFLECT{$reflect->{class}} = $reflect;
172}
173
174# this is decidedly evil
175$REFLECT{object}{flags} = { map $_ => undef, grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 176
116############################################################################# 177#############################################################################
117 178
118=head2 GLOBAL VARIABLES 179=head2 GLOBAL VARIABLES
119 180
… …
155 216
156The raw value load value from the last tick. 217The raw value load value from the last tick.
157 218
158=item %cf::CFG 219=item %cf::CFG
159 220
160Configuration for the server, loaded from C</etc/crossfire/config>, or 221Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 222from wherever your confdir points to.
162 223
163=item cf::wait_for_tick, cf::wait_for_tick_begin 224=item cf::wait_for_tick, cf::wait_for_tick_begin
164 225
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 226These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 227returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 228per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 229
230=item @cf::INVOKE_RESULTS
231
232This array contains the results of the last C<invoke ()> call. When
233C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
234that call.
235
236=item %cf::REFLECT
237
238Contains, for each (C++) class name, a hash reference with information
239about object members (methods, scalars, arrays and flags) and other
240metadata, which is useful for introspection.
241
169=back 242=back
170 243
171=cut 244=cut
172 245
173BEGIN { 246$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 247 my $msg = join "", @_;
176 248
177 $msg .= "\n" 249 $msg .= "\n"
178 unless $msg =~ /\n$/; 250 unless $msg =~ /\n$/;
179 251
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 252 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 253
182 utf8::encode $msg;
183 LOG llevError, $msg; 254 LOG llevError, $msg;
184 }; 255};
185} 256
257$Coro::State::DIEHOOK = sub {
258 return unless $^S eq 0; # "eq", not "=="
259
260 warn Carp::longmess $_[0];
261
262 if ($Coro::current == $Coro::main) {#d#
263 warn "DIEHOOK called in main context, Coro bug?\n";#d#
264 return;#d#
265 }#d#
266
267 # kill coroutine otherwise
268 Coro::terminate
269};
186 270
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 271@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 272@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 273@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 274@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 275@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
276@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 277@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 278
194# we bless all objects into (empty) derived classes to force a method lookup 279# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 280# within the Safe compartment.
196for my $pkg (qw( 281for my $pkg (qw(
197 cf::global cf::attachable 282 cf::global cf::attachable
198 cf::object cf::object::player 283 cf::object cf::object::player
199 cf::client cf::player 284 cf::client cf::player
200 cf::arch cf::living 285 cf::arch cf::living
286 cf::map cf::mapspace
201 cf::map cf::party cf::region 287 cf::party cf::region
202)) { 288)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 290}
206 291
207$Event::DIED = sub { 292$EV::DIED = sub {
208 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
209}; 294};
295
296#############################################################################
210 297
211=head2 UTILITY FUNCTIONS 298=head2 UTILITY FUNCTIONS
212 299
213=over 4 300=over 4
214 301
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 320 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 321 $d
235 } || "[unable to dump $_[0]: '$@']"; 322 } || "[unable to dump $_[0]: '$@']";
236} 323}
237 324
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 325=item $ref = cf::decode_json $json
241 326
242Converts a JSON string into the corresponding perl data structure. 327Converts a JSON string into the corresponding perl data structure.
243 328
244=item $json = cf::to_json $ref 329=item $json = cf::encode_json $ref
245 330
246Converts a perl data structure into its JSON representation. 331Converts a perl data structure into its JSON representation.
247 332
333=cut
334
335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
336
337sub encode_json($) { $json_coder->encode ($_[0]) }
338sub decode_json($) { $json_coder->decode ($_[0]) }
339
340=item cf::post_init { BLOCK }
341
342Execute the given codeblock, I<after> all extensions have been (re-)loaded,
343but I<before> the server starts ticking again.
344
345The cdoeblock will have a single boolean argument to indicate whether this
346is a reload or not.
347
348=cut
349
350sub post_init(&) {
351 push @POST_INIT, shift;
352}
353
248=item cf::lock_wait $string 354=item cf::lock_wait $string
249 355
250Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
251 357
252=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
253 359
254Wait until the given lock is available and then acquires it and returns 360Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 361a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
257returned. 363returned.
258 364
365Locks are *not* recursive, locking from the same coro twice results in a
366deadlocked coro.
367
259Lock names should begin with a unique identifier (for example, cf::map::find 368Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 369uses map_find and cf::map::load uses map_load).
261 370
262=item $locked = cf::lock_active $string 371=item $locked = cf::lock_active $string
263 372
264Return true if the lock is currently active, i.e. somebody has locked it. 373Return true if the lock is currently active, i.e. somebody has locked it.
265 374
266=cut 375=cut
267 376
268our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
269 378
270sub lock_wait($) { 379sub lock_wait($) {
271 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 381}
279 382
280sub lock_acquire($) { 383sub lock_acquire($) {
281 my ($key) = @_; 384 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 385}
293 386
294sub lock_active($) { 387sub lock_active($) {
295 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 389}
299 390
300sub freeze_mainloop { 391sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 392 tick_inhibit_inc;
302 393
303 my $guard = Coro::guard { 394 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 395}
396
397=item cf::periodic $interval, $cb
398
399Like EV::periodic, but randomly selects a starting point so that the actions
400get spread over timer.
401
402=cut
403
404sub periodic($$) {
405 my ($interval, $cb) = @_;
406
407 my $start = rand List::Util::min 180, $interval;
408
409 EV::periodic $start, $interval, 0, $cb
410}
411
412=item cf::get_slot $time[, $priority[, $name]]
413
414Allocate $time seconds of blocking CPU time at priority C<$priority>:
415This call blocks and returns only when you have at least C<$time> seconds
416of cpu time till the next tick. The slot is only valid till the next cede.
417
418The optional C<$name> can be used to identify the job to run. It might be
419used for statistical purposes and should identify the same time-class.
420
421Useful for short background jobs.
422
423=cut
424
425our @SLOT_QUEUE;
426our $SLOT_QUEUE;
427
428$SLOT_QUEUE->cancel if $SLOT_QUEUE;
429$SLOT_QUEUE = Coro::async {
430 $Coro::current->desc ("timeslot manager");
431
432 my $signal = new Coro::Signal;
433
434 while () {
435 next_job:
436 my $avail = cf::till_tick;
437 if ($avail > 0.01) {
438 for (0 .. $#SLOT_QUEUE) {
439 if ($SLOT_QUEUE[$_][0] < $avail) {
440 my $job = splice @SLOT_QUEUE, $_, 1, ();
441 $job->[2]->send;
442 Coro::cede;
443 goto next_job;
444 }
445 }
446 }
447
448 if (@SLOT_QUEUE) {
449 # we do not use wait_for_tick() as it returns immediately when tick is inactive
450 push @cf::WAIT_FOR_TICK, $signal;
451 $signal->wait;
452 } else {
453 Coro::schedule;
454 }
305 }; 455 }
306 $TICK_WATCHER->stop; 456};
307 $guard 457
458sub get_slot($;$$) {
459 return if tick_inhibit || $Coro::current == $Coro::main;
460
461 my ($time, $pri, $name) = @_;
462
463 $time = $TICK * .6 if $time > $TICK * .6;
464 my $sig = new Coro::Signal;
465
466 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
467 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
468 $SLOT_QUEUE->ready;
469 $sig->wait;
308} 470}
309 471
310=item cf::async { BLOCK } 472=item cf::async { BLOCK }
311 473
312Currently the same as Coro::async_pool, meaning you cannot use 474Currently the same as Coro::async_pool, meaning you cannot use
… …
317 479
318BEGIN { *async = \&Coro::async_pool } 480BEGIN { *async = \&Coro::async_pool }
319 481
320=item cf::sync_job { BLOCK } 482=item cf::sync_job { BLOCK }
321 483
322The design of crossfire+ requires that the main coro ($Coro::main) is 484The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 485is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 486partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
487acceptable.
325 488
326If it must be done, put the blocking parts into C<sync_job>. This will run 489If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 490the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 491server will be frozen during this time, so the block should either finish
329fast or be very important. 492fast or be very important.
… …
332 495
333sub sync_job(&) { 496sub sync_job(&) {
334 my ($job) = @_; 497 my ($job) = @_;
335 498
336 if ($Coro::current == $Coro::main) { 499 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 500 my $time = EV::time;
338 501
339 # this is the main coro, too bad, we have to block 502 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 503 # till the operation succeeds, freezing the server :/
341 504
342 # TODO: use suspend/resume instead 505 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 506
344 my $freeze_guard = freeze_mainloop; 507 my $freeze_guard = freeze_mainloop;
345 508
346 my $busy = 1; 509 my $busy = 1;
347 my @res; 510 my @res;
348 511
349 (async { 512 (async {
513 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 514 @res = eval { $job->() };
351 warn $@ if $@; 515 warn $@ if $@;
352 undef $busy; 516 undef $busy;
353 })->prio (Coro::PRIO_MAX); 517 })->prio (Coro::PRIO_MAX);
354 518
355 while ($busy) { 519 while ($busy) {
356 Coro::cede or Event::one_event; 520 if (Coro::nready) {
521 Coro::cede_notself;
522 } else {
523 EV::loop EV::LOOP_ONESHOT;
357 } 524 }
525 }
358 526
359 $time = Event::time - $time; 527 my $time = EV::time - $time;
360 528
361 LOG llevError | logBacktrace, "long sync job\n"
362 if $time > $TICK * 0.5;
363
364 $tick_start += $time; # do not account sync jobs to server load 529 $TICK_START += $time; # do not account sync jobs to server load
365 530
366 wantarray ? @res : $res[0] 531 wantarray ? @res : $res[0]
367 } else { 532 } else {
368 # we are in another coroutine, how wonderful, everything just works 533 # we are in another coroutine, how wonderful, everything just works
369 534
… …
389 $EXT_CORO{$coro+0} = $coro; 554 $EXT_CORO{$coro+0} = $coro;
390 555
391 $coro 556 $coro
392} 557}
393 558
394sub write_runtime { 559=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 560
397 # first touch the runtime file to show we are still running: 561Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 562process, returning the results. Everything must be serialisable with
563Coro::Storable. May, of course, block. Note that the executed sub may
564never block itself or use any form of event handling.
399 565
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 566=cut
401 utime undef, undef, $fh; 567
568sub fork_call(&@) {
569 my ($cb, @args) = @_;
570
571 # we seemingly have to make a local copy of the whole thing,
572 # otherwise perl prematurely frees the stuff :/
573 # TODO: investigate and fix (likely this will be rather laborious)
574
575 my @res = Coro::Util::fork_eval {
576 reset_signals;
577 &$cb
578 }, @args;
579
580 wantarray ? @res : $res[-1]
581}
582
583=item $coin = coin_from_name $name
584
585=cut
586
587our %coin_alias = (
588 "silver" => "silvercoin",
589 "silvercoin" => "silvercoin",
590 "silvercoins" => "silvercoin",
591 "gold" => "goldcoin",
592 "goldcoin" => "goldcoin",
593 "goldcoins" => "goldcoin",
594 "platinum" => "platinacoin",
595 "platinumcoin" => "platinacoin",
596 "platinumcoins" => "platinacoin",
597 "platina" => "platinacoin",
598 "platinacoin" => "platinacoin",
599 "platinacoins" => "platinacoin",
600 "royalty" => "royalty",
601 "royalties" => "royalty",
602);
603
604sub coin_from_name($) {
605 $coin_alias{$_[0]}
606 ? cf::arch::find $coin_alias{$_[0]}
607 : undef
608}
609
610=item $value = cf::db_get $family => $key
611
612Returns a single value from the environment database.
613
614=item cf::db_put $family => $key => $value
615
616Stores the given C<$value> in the family. It can currently store binary
617data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
618
619=item $db = cf::db_table "name"
620
621Create and/or open a new database table. The string must not be "db" and must be unique
622within each server.
623
624=cut
625
626sub db_table($) {
627 my ($name) = @_;
628 my $db = BDB::db_create $DB_ENV;
629
630 eval {
631 $db->set_flags (BDB::CHKSUM);
632
633 utf8::encode $name;
634 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
635 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
636 cf::cleanup "db_open(db): $!" if $!;
402 } 637 };
638 cf::cleanup "db_open(db): $@" if $@;
403 639
404 my $guard = cf::lock_acquire "write_runtime"; 640 $db
641}
405 642
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 643our $DB;
407 or return;
408 644
409 my $value = $cf::RUNTIME + 90 + 10; 645sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 646 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 647 $DB ||= db_table "db";
648 };
649}
412 650
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 651sub db_get($$) {
414 and return; 652 my $key = "$_[0]/$_[1]";
415 653
416 # always fsync - this file is important 654 cf::sync_job {
417 aio_fsync $fh 655 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 656
420 # touch it again to show we are up-to-date 657 $! ? ()
421 utime undef, undef, $fh; 658 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 659 }
660}
661
662sub db_put($$$) {
663 BDB::dbreq_pri 4;
664 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
665}
666
667=item cf::cache $id => [$paths...], $processversion => $process
668
669Generic caching function that returns the value of the resource $id,
670caching and regenerating as required.
671
672This function can block.
673
674=cut
675
676sub cache {
677 my ($id, $src, $processversion, $process) = @_;
678
679 my $meta =
680 join "\x00",
681 $processversion,
682 map {
683 aio_stat $_
684 and Carp::croak "$_: $!";
685
686 ($_, (stat _)[7,9])
687 } @$src;
688
689 my $dbmeta = db_get cache => "$id/meta";
690 if ($dbmeta ne $meta) {
691 # changed, we may need to process
692
693 my @data;
694 my $md5;
695
696 for (0 .. $#$src) {
697 0 <= aio_load $src->[$_], $data[$_]
698 or Carp::croak "$src->[$_]: $!";
699 }
700
701 # if processing is expensive, check
702 # checksum first
703 if (1) {
704 $md5 =
705 join "\x00",
706 $processversion,
707 map {
708 cf::cede_to_tick;
709 ($src->[$_], Digest::MD5::md5_hex $data[$_])
710 } 0.. $#$src;
711
712
713 my $dbmd5 = db_get cache => "$id/md5";
714 if ($dbmd5 eq $md5) {
715 db_put cache => "$id/meta", $meta;
716
717 return db_get cache => "$id/data";
718 }
719 }
720
721 my $t1 = Time::HiRes::time;
722 my $data = $process->(\@data);
723 my $t2 = Time::HiRes::time;
724
725 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
726
727 db_put cache => "$id/data", $data;
728 db_put cache => "$id/md5" , $md5;
729 db_put cache => "$id/meta", $meta;
730
731 return $data;
732 }
733
734 db_get cache => "$id/data"
432} 735}
433 736
434=item cf::datalog type => key => value, ... 737=item cf::datalog type => key => value, ...
435 738
436Log a datalog packet of the given type with the given key-value pairs. 739Log a datalog packet of the given type with the given key-value pairs.
… …
448 751
449############################################################################# 752#############################################################################
450 753
451=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
452 755
453Many objects in crossfire are so-called attachable objects. That means you can 756Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
456 759
457In the following description, CLASS can be any of C<global>, C<object> 760In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 761C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 762Deliantra).
460 763
461=over 4 764=over 4
462 765
463=item $attachable->attach ($attachment, key => $value...) 766=item $attachable->attach ($attachment, key => $value...)
464 767
… …
508=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
509 812
510Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
512 815
513Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
515 818
516These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
517 820
518=over 4 821=over 4
… …
627 $registry = $CB_TYPE[$object_type] ||= []; 930 $registry = $CB_TYPE[$object_type] ||= [];
628 931
629 } elsif ($type eq "subtype") { 932 } elsif ($type eq "subtype") {
630 defined $object_type or Carp::croak "subtype specified without type"; 933 defined $object_type or Carp::croak "subtype specified without type";
631 my $object_subtype = shift @arg; 934 my $object_subtype = shift @arg;
632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 935 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633 936
634 } elsif ($type eq "package") { 937 } elsif ($type eq "package") {
635 my $pkg = shift @arg; 938 my $pkg = shift @arg;
636 939
637 while (my ($name, $id) = each %cb_id) { 940 while (my ($name, $id) = each %cb_id) {
… …
666 _attach $registry, $klass, @attach; 969 _attach $registry, $klass, @attach;
667 } 970 }
668 971
669 $obj->{$name} = \%arg; 972 $obj->{$name} = \%arg;
670 } else { 973 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 974 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 975 }
673 976
674 $obj->{_attachment}{$name} = undef; 977 $obj->{_attachment}{$name} = undef;
675} 978}
676 979
… …
678 if (ref $_[0]) { 981 if (ref $_[0]) {
679 _object_attach @_; 982 _object_attach @_;
680 } else { 983 } else {
681 _attach shift->_attach_registry, @_; 984 _attach shift->_attach_registry, @_;
682 } 985 }
986 _recalc_want;
683}; 987};
684 988
685# all those should be optimised 989# all those should be optimised
686sub cf::attachable::detach { 990sub cf::attachable::detach {
687 my ($obj, $name) = @_; 991 my ($obj, $name) = @_;
… …
690 delete $obj->{_attachment}{$name}; 994 delete $obj->{_attachment}{$name};
691 reattach ($obj); 995 reattach ($obj);
692 } else { 996 } else {
693 Carp::croak "cannot, currently, detach class attachments"; 997 Carp::croak "cannot, currently, detach class attachments";
694 } 998 }
999 _recalc_want;
695}; 1000};
696 1001
697sub cf::attachable::attached { 1002sub cf::attachable::attached {
698 my ($obj, $name) = @_; 1003 my ($obj, $name) = @_;
699 1004
… …
714 "; 1019 ";
715 die if $@; 1020 die if $@;
716} 1021}
717 1022
718our $override; 1023our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1024our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1025
721sub override { 1026sub override {
722 $override = 1; 1027 $override = 1;
723 @invoke_results = (); 1028 @INVOKE_RESULTS = (@_);
724} 1029}
725 1030
726sub do_invoke { 1031sub do_invoke {
727 my $event = shift; 1032 my $event = shift;
728 my $callbacks = shift; 1033 my $callbacks = shift;
729 1034
730 @invoke_results = (); 1035 @INVOKE_RESULTS = ();
731 1036
732 local $override; 1037 local $override;
733 1038
734 for (@$callbacks) { 1039 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1040 eval { &{$_->[1]} };
… …
744 } 1049 }
745 1050
746 0 1051 0
747} 1052}
748 1053
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1054=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1055
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1056=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1057
753Generate an object-specific event with the given arguments. 1058Generate an object-specific event with the given arguments.
754 1059
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1060This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1061removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1062results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1063
759=back 1064=back
760 1065
761=cut 1066=cut
762 1067
763############################################################################# 1068#############################################################################
764# object support 1069# object support
1070
1071sub _object_equal($$);
1072sub _object_equal($$) {
1073 my ($a, $b) = @_;
1074
1075 return 0 unless (ref $a) eq (ref $b);
1076
1077 if ("HASH" eq ref $a) {
1078 my @ka = keys %$a;
1079 my @kb = keys %$b;
1080
1081 return 0 if @ka != @kb;
1082
1083 for (0 .. $#ka) {
1084 return 0 unless $ka[$_] eq $kb[$_];
1085 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1086 }
1087
1088 } elsif ("ARRAY" eq ref $a) {
1089
1090 return 0 if @$a != @$b;
1091
1092 for (0 .. $#$a) {
1093 return 0 unless _object_equal $a->[$_], $b->[$_];
1094 }
1095
1096 } elsif ($a ne $b) {
1097 return 0;
1098 }
1099
1100 1
1101}
1102
1103our $SLOW_MERGES;#d#
1104sub _can_merge {
1105 my ($ob1, $ob2) = @_;
1106
1107 ++$SLOW_MERGES;#d#
1108
1109 # we do the slow way here
1110 return _object_equal $ob1, $ob2
1111}
765 1112
766sub reattach { 1113sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1115 my ($obj) = @_;
769 1116
1117 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1118 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1119
772 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
773 1121
774 @$registry = (); 1122 @$registry = ();
775 1123
… …
790cf::attachable->attach ( 1138cf::attachable->attach (
791 prio => -1000000, 1139 prio => -1000000,
792 on_instantiate => sub { 1140 on_instantiate => sub {
793 my ($obj, $data) = @_; 1141 my ($obj, $data) = @_;
794 1142
795 $data = from_json $data; 1143 $data = decode_json $data;
796 1144
797 for (@$data) { 1145 for (@$data) {
798 my ($name, $args) = @$_; 1146 my ($name, $args) = @$_;
799 1147
800 $obj->attach ($name, %{$args || {} }); 1148 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1164sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1165 my ($filename, $rdata, $objs) = @_;
818 1166
819 sync_job { 1167 sync_job {
820 if (length $$rdata) { 1168 if (length $$rdata) {
1169 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1170 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
823 1172
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1174 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1176 if ($cf::USE_FSYNC) {
1177 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;
1178 aio_fsync $fh;
1179 }
828 close $fh; 1180 aio_close $fh;
829 1181
830 if (@$objs) { 1182 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1183 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1184 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1187 if ($cf::USE_FSYNC) {
1188 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;
1189 aio_fsync $fh;
1190 }
836 close $fh; 1191 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
838 } 1193 }
839 } else { 1194 } else {
840 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
841 } 1196 }
842 1197
843 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1202 } else {
845 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
846 } 1204 }
847 } else { 1205 } else {
848 aio_unlink $filename; 1206 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
850 } 1208 }
851 } 1209 };
852} 1210}
853 1211
854sub object_freezer_as_string { 1212sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1213 my ($rdata, $objs) = @_;
856 1214
… …
868 or return; 1226 or return;
869 1227
870 unless (aio_stat "$filename.pst") { 1228 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1229 (aio_load "$filename.pst", $av) >= 0
872 or return; 1230 or return;
1231
873 $av = eval { (Storable::thaw $av)->{objs} }; 1232 my $st = eval { Coro::Storable::thaw $av };
1233 $av = $st->{objs};
874 } 1234 }
875 1235
1236 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1237 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1238 $decname, length $data, scalar @{$av || []};
1239
878 return ($data, $av); 1240 ($data, $av)
879} 1241}
1242
1243=head2 COMMAND CALLBACKS
1244
1245=over 4
1246
1247=cut
880 1248
881############################################################################# 1249#############################################################################
882# command handling &c 1250# command handling &c
883 1251
884=item cf::register_command $name => \&callback($ob,$args); 1252=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1265 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1266}
899 1267
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1268=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1269
902Register a callbackf ro execution when the client sends an extcmd packet. 1270Register a callback for execution when the client sends an (synchronous)
1271extcmd packet. Ext commands will be processed in the order they are
1272received by the server, like other user commands. The first argument is
1273the logged-in player. Ext commands can only be processed after a player
1274has logged in successfully.
903 1275
904If the callback returns something, it is sent back as if reply was being 1276If the callback returns something, it is sent back as if reply was being
905called. 1277called.
906 1278
1279=item cf::register_exticmd $name => \&callback($ns,$packet);
1280
1281Register a callback for execution when the client sends an (asynchronous)
1282exticmd packet. Exti commands are processed by the server as soon as they
1283are received, i.e. out of order w.r.t. other commands. The first argument
1284is a client socket. Exti commands can be received anytime, even before
1285log-in.
1286
1287If the callback returns something, it is sent back as if reply was being
1288called.
1289
907=cut 1290=cut
908 1291
909sub register_extcmd { 1292sub register_extcmd {
910 my ($name, $cb) = @_; 1293 my ($name, $cb) = @_;
911 1294
912 $EXTCMD{$name} = $cb; 1295 $EXTCMD{$name} = $cb;
913} 1296}
1297
1298sub register_exticmd {
1299 my ($name, $cb) = @_;
1300
1301 $EXTICMD{$name} = $cb;
1302}
1303
1304use File::Glob ();
914 1305
915cf::player->attach ( 1306cf::player->attach (
916 on_command => sub { 1307 on_command => sub {
917 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
918 1309
… …
926 cf::override; 1317 cf::override;
927 }, 1318 },
928 on_extcmd => sub { 1319 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1320 my ($pl, $buf) = @_;
930 1321
931 my $msg = eval { from_json $buf }; 1322 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1323
933 if (ref $msg) { 1324 if (ref $msg) {
1325 my ($type, $reply, @payload) =
1326 "ARRAY" eq ref $msg
1327 ? @$msg
1328 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1329
1330 my @reply;
1331
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1332 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1333 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1334 }
1335
1336 $pl->ext_reply ($reply, @reply)
1337 if $reply;
1338
939 } else { 1339 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1340 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1341 }
942 1342
943 cf::override; 1343 cf::override;
944 }, 1344 },
945); 1345);
946 1346
1347# "readahead" all extensions
947sub load_extension { 1348sub cache_extensions {
948 my ($path) = @_; 1349 my $grp = IO::AIO::aio_group;
949 1350
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1351 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1352 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1353 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1354 }
975 die $@;
976 } 1355 };
977 1356
978 push @EXTS, $pkg; 1357 $grp
979} 1358}
980 1359
981sub load_extensions { 1360sub load_extensions {
1361 cf::sync_job {
1362 my %todo;
1363
982 for my $ext (<$LIBDIR/*.ext>) { 1364 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1365 next unless -r $path;
984 eval { 1366
985 load_extension $ext; 1367 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1368 my $base = $1;
1369 my $pkg = $1;
1370 $pkg =~ s/[^[:word:]]/_/g;
1371 $pkg = "ext::$pkg";
1372
1373 open my $fh, "<:utf8", $path
1374 or die "$path: $!";
1375
1376 my $source = do { local $/; <$fh> };
1377
1378 my %ext = (
1379 path => $path,
1380 base => $base,
1381 pkg => $pkg,
1382 );
1383
1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1386
1387 $ext{source} =
1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1389 . "#line 1 \"$path\"\n{\n"
1390 . $source
1391 . "\n};\n1";
1392
1393 $todo{$base} = \%ext;
1394 }
1395
1396 my %done;
1397 while (%todo) {
1398 my $progress;
1399
1400 while (my ($k, $v) = each %todo) {
1401 for (split /,\s*/, $v->{meta}{depends}) {
1402 goto skip
1403 unless exists $done{$_};
1404 }
1405
1406 warn "... loading '$k' into '$v->{pkg}'\n";
1407
1408 unless (eval $v->{source}) {
1409 my $msg = $@ ? "$v->{path}: $@\n"
1410 : "$v->{base}: extension inactive.\n";
1411
1412 if (exists $v->{meta}{mandatory}) {
1413 warn $msg;
1414 cf::cleanup "mandatory extension failed to load, exiting.";
1415 }
1416
1417 warn $msg;
1418 }
1419
1420 $done{$k} = delete $todo{$k};
1421 push @EXTS, $v->{pkg};
1422 $progress = 1;
986 1 1423 }
987 } or warn "$ext not loaded: $@"; 1424
1425 skip:
1426 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1427 unless $progress;
1428 }
988 } 1429 };
989} 1430}
990 1431
991############################################################################# 1432#############################################################################
992 1433
1434=back
1435
993=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
994 1437
995Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
996 1439
997=cut 1440=cut
998 1441
999package cf::player; 1442package cf::player;
1000 1443
1001use Coro::AIO; 1444use Coro::AIO;
1002 1445
1003=head3 cf::player 1446=head3 cf::player
1004 1447
1005=over 4 1448=over 4
1449
1450=item cf::player::num_playing
1451
1452Returns the official number of playing players, as per the Crossfire metaserver rules.
1453
1454=cut
1455
1456sub num_playing {
1457 scalar grep
1458 $_->ob->map
1459 && !$_->hidden
1460 && !$_->ob->flag (cf::FLAG_WIZ),
1461 cf::player::list
1462}
1006 1463
1007=item cf::player::find $login 1464=item cf::player::find $login
1008 1465
1009Returns the given player object, loading it if necessary (might block). 1466Returns the given player object, loading it if necessary (might block).
1010 1467
… …
1029 1486
1030sub exists($) { 1487sub exists($) {
1031 my ($login) = @_; 1488 my ($login) = @_;
1032 1489
1033 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1035} 1492}
1036 1493
1037sub find($) { 1494sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1496 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1503 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1504 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1505 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1506 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1507
1051 my $pl = load_pl path $login 1508 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1509 or return;
1510
1511 my $pl = cf::player::load_pl $f
1512 or return;
1513
1514 local $cf::PLAYER_LOADING{$login} = $pl;
1515 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1516 $cf::PLAYER{$login} = $pl
1054 } 1517 }
1055 } 1518 }
1056} 1519}
1057 1520
… …
1066 return if $pl->{deny_save}; 1529 return if $pl->{deny_save};
1067 1530
1068 aio_mkdir playerdir $pl, 0770; 1531 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1532 $pl->{last_save} = $cf::RUNTIME;
1070 1533
1534 cf::get_slot 0.01;
1535
1071 $pl->save_pl ($path); 1536 $pl->save_pl ($path);
1072 Coro::cede; 1537 cf::cede_to_tick;
1073} 1538}
1074 1539
1075sub new($) { 1540sub new($) {
1076 my ($login) = @_; 1541 my ($login) = @_;
1077 1542
… …
1083 $cf::PLAYER{$login} = $self; 1548 $cf::PLAYER{$login} = $self;
1084 1549
1085 $self 1550 $self
1086} 1551}
1087 1552
1553=item $player->send_msg ($channel, $msg, $color, [extra...])
1554
1555=cut
1556
1557sub send_msg {
1558 my $ns = shift->ns
1559 or return;
1560 $ns->send_msg (@_);
1561}
1562
1088=item $pl->quit_character 1563=item $pl->quit_character
1089 1564
1090Nukes the player without looking back. If logged in, the connection will 1565Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1566be destroyed. May block for a long time.
1092 1567
… …
1096 my ($pl) = @_; 1571 my ($pl) = @_;
1097 1572
1098 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1099 1574
1100 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1576 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1577
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1579 $pl->deactivate;
1580 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1581 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1582 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1583 $pl->ns->destroy if $pl->ns;
1107 1584
1108 my $path = playerdir $pl; 1585 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1586 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1622 or return [];
1146 1623
1147 my @logins; 1624 my @logins;
1148 1625
1149 for my $login (@$dirs) { 1626 for my $login (@$dirs) {
1627 my $path = path $login;
1628
1629 # a .pst is a dead give-away for a valid player
1630 # if no pst file found, open and chekc for blocked users
1631 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1632 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1633 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1634 $buf !~ /^password -------------$/m or next; # official not-valid tag
1635 }
1153 1636
1154 utf8::decode $login; 1637 utf8::decode $login;
1155 push @logins, $login; 1638 push @logins, $login;
1156 } 1639 }
1157 1640
… …
1184 } 1667 }
1185 1668
1186 \@paths 1669 \@paths
1187} 1670}
1188 1671
1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1673
1674Expand deliantra pod fragments into protocol xml.
1675
1189=item $player->ext_reply ($msgid, %msg) 1676=item $player->ext_reply ($msgid, @msg)
1190 1677
1191Sends an ext reply to the player. 1678Sends an ext reply to the player.
1192 1679
1193=cut 1680=cut
1194 1681
1195sub ext_reply($$%) { 1682sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1683 my ($self, $id, @msg) = @_;
1197 1684
1198 $msg{msgid} = $id; 1685 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1686}
1202 1687
1203=item $player->ext_event ($type, %msg) 1688=item $player->ext_msg ($type, @msg)
1204 1689
1205Sends an ext event to the client. 1690Sends an ext event to the client.
1206 1691
1207=cut 1692=cut
1208 1693
1209sub ext_event($$%) { 1694sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1695 my ($self, $type, @msg) = @_;
1211 1696
1212 $self->ns->ext_event ($type, %msg); 1697 $self->ns->ext_msg ($type, @msg);
1213} 1698}
1214 1699
1215=head3 cf::region 1700=head3 cf::region
1216 1701
1217=over 4 1702=over 4
… …
1220 1705
1221package cf::region; 1706package cf::region;
1222 1707
1223=item cf::region::find_by_path $path 1708=item cf::region::find_by_path $path
1224 1709
1225Tries to decuce the probable region for a map knowing only its path. 1710Tries to decuce the likely region for a map knowing only its path.
1226 1711
1227=cut 1712=cut
1228 1713
1229sub find_by_path($) { 1714sub find_by_path($) {
1230 my ($path) = @_; 1715 my ($path) = @_;
1231 1716
1232 my ($match, $specificity); 1717 my ($match, $specificity);
1233 1718
1234 for my $region (list) { 1719 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1720 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1721 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1722 if $region->specificity > $specificity;
1238 } 1723 }
1239 } 1724 }
1240 1725
… …
1261our $MAX_RESET = 3600; 1746our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1747our $DEFAULT_RESET = 3000;
1263 1748
1264sub generate_random_map { 1749sub generate_random_map {
1265 my ($self, $rmp) = @_; 1750 my ($self, $rmp) = @_;
1751
1752 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1753
1266 # mit "rum" bekleckern, nicht 1754 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1755 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1756 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1757 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1758 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1792 my ($self, $merge) = @_;
1305 1793
1306 # we have to keep some variables in memory intact 1794 # we have to keep some variables in memory intact
1307 local $self->{path}; 1795 local $self->{path};
1308 local $self->{load_path}; 1796 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1797
1312 $self->SUPER::thawer_merge ($merge); 1798 $self->SUPER::thawer_merge ($merge);
1313} 1799}
1314 1800
1315sub normalise { 1801sub normalise {
… …
1362 $self->init; # pass $1 etc. 1848 $self->init; # pass $1 etc.
1363 return $self; 1849 return $self;
1364 } 1850 }
1365 } 1851 }
1366 1852
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1853 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1854 ()
1369} 1855}
1370 1856
1371sub init { 1857sub init {
1372 my ($self) = @_; 1858 my ($self) = @_;
… …
1394 1880
1395# the temporary/swap location 1881# the temporary/swap location
1396sub save_path { 1882sub save_path {
1397 my ($self) = @_; 1883 my ($self) = @_;
1398 1884
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1885 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1886 "$TMPDIR/$path.map"
1401} 1887}
1402 1888
1403# the unique path, undef == no special unique path 1889# the unique path, undef == no special unique path
1404sub uniq_path { 1890sub uniq_path {
1405 my ($self) = @_; 1891 my ($self) = @_;
1406 1892
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1409} 1895}
1410 1896
1411# and all this just because we cannot iterate over 1897sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1898 my ($self) = @_;
1415 1899
1416 $_->change_map_light ($change) 1900 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1901
1902 $self->do_decay_objects;
1418} 1903}
1419 1904
1420sub unlink_save { 1905sub unlink_save {
1421 my ($self) = @_; 1906 my ($self) = @_;
1422 1907
… …
1427 1912
1428sub load_header_from($) { 1913sub load_header_from($) {
1429 my ($self, $path) = @_; 1914 my ($self, $path) = @_;
1430 1915
1431 utf8::encode $path; 1916 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1917 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1918 or return;
1919
1920 $self->_load_header ($f)
1921 or return;
1922
1923 local $MAP_LOADING{$self->{path}} = $self;
1924 $f->resolve_delayed_derefs;
1437 1925
1438 $self->{load_path} = $path; 1926 $self->{load_path} = $path;
1439 1927
1440 1 1928 1
1441} 1929}
… …
1480 $self->load_header_orig 1968 $self->load_header_orig
1481 or return; 1969 or return;
1482 $self->prepare_orig; 1970 $self->prepare_orig;
1483 } 1971 }
1484 1972
1973 $self->{deny_reset} = 1
1974 if $self->no_reset;
1975
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1976 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1977 unless $self->default_region;
1487 1978
1488 1 1979 1
1489} 1980}
… …
1492sub find { 1983sub find {
1493 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
1494 1985
1495 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
1496 1987
1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1990
1499 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
1502 or return; 1993 or return;
1503 1994
1504 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
1505 1996
1506 $map->load_header 1997 $map->load_header
1507 or return; 1998 or return;
1508 1999
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2000 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2001 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2002 #$cf::WAIT_FOR_TICK->wait;
2003 undef $guard2;
2004 undef $guard1;
1512 $map->reset; 2005 $map->reset;
1513 undef $guard;
1514 return find $path; 2006 return find $path;
1515 } 2007 }
1516 2008
1517 $cf::MAP{$path} = $map 2009 $cf::MAP{$path} = $map
1518 } 2010 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 2019 local $self->{deny_reset} = 1; # loading can take a long time
1528 2020
1529 my $path = $self->{path}; 2021 my $path = $self->{path};
1530 2022
1531 { 2023 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2024 my $guard = cf::lock_acquire "map_data:$path";
1533 2025
2026 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2027 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2028
1536 $self->in_memory (cf::MAP_LOADING); 2029 $self->in_memory (cf::MAP_LOADING);
1537 2030
1538 $self->alloc; 2031 $self->alloc;
1539 2032
1540 $self->pre_load; 2033 $self->pre_load;
1541 Coro::cede; 2034 cf::cede_to_tick;
1542 2035
2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2037 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2038 $self->_load_objects ($f)
1544 or return; 2039 or return;
1545 2040
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->post_load_original
1547 if delete $self->{load_original}; 2042 if delete $self->{load_original};
1548 2043
1549 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2045 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2046 unless (aio_stat $uniq) {
2047 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2048 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2049 $self->_load_objects ($f);
2050 $f->resolve_delayed_derefs;
2051 }
1554 } 2052 }
1555 } 2053 }
1556 2054
1557 Coro::cede; 2055 $f->resolve_delayed_derefs;
2056
2057 cf::cede_to_tick;
1558 # now do the right thing for maps 2058 # now do the right thing for maps
1559 $self->link_multipart_objects; 2059 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2060 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2061 unless $self->difficulty;
1562 Coro::cede; 2062 cf::cede_to_tick;
1563 2063
1564 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2065 $self->decay_objects;
1566 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
1567 $self->update_buttons; 2067 $self->update_buttons;
1568 Coro::cede; 2068 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2069 $self->activate;
1572 } 2070 }
1573 2071
2072 $self->{last_save} = $cf::RUNTIME;
2073 $self->last_access ($cf::RUNTIME);
2074
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2075 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2076 }
1576 2077
1577 $self->post_load; 2078 $self->post_load;
1578} 2079}
1579 2080
… …
1581 my ($self, $ob) = @_; 2082 my ($self, $ob) = @_;
1582 2083
1583 return find "~" . $ob->name . "/" . $self->{path} 2084 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2085 if $self->per_player;
1585 2086
2087# return find "?party/" . $ob->name . "/" . $self->{path}
2088# if $self->per_party;
2089
1586 $self 2090 $self
1587} 2091}
1588 2092
1589# find and load all maps in the 3x3 area around a map 2093# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2094sub load_neighbours {
1591 my ($map) = @_; 2095 my ($map) = @_;
1592 2096
1593 my @diag; # diagonal neighbours 2097 my @neigh; # diagonal neighbours
1594 2098
1595 for (0 .. 3) { 2099 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2100 my $neigh = $map->tile_path ($_)
1597 or next; 2101 or next;
1598 $neigh = find $neigh, $map 2102 $neigh = find $neigh, $map
1599 or next; 2103 or next;
1600 $neigh->load; 2104 $neigh->load;
1601 2105
2106 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2107 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2108 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2109 }
1605 2110
1606 for (@diag) { 2111 for (grep defined $_->[0], @neigh) {
2112 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2113 my $neigh = find $path, $origin
1608 or next; 2114 or next;
1609 $neigh->load; 2115 $neigh->load;
1610 } 2116 }
1611} 2117}
1612 2118
… …
1617} 2123}
1618 2124
1619sub do_load_sync { 2125sub do_load_sync {
1620 my ($map) = @_; 2126 my ($map) = @_;
1621 2127
2128 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2129 if $Coro::current == $Coro::main;
2130
1622 cf::sync_job { $map->load }; 2131 cf::sync_job { $map->load };
1623} 2132}
1624 2133
1625our %MAP_PREFETCH; 2134our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2135our $MAP_PREFETCHER = undef;
1627 2136
1628sub find_async { 2137sub find_async {
1629 my ($path, $origin) = @_; 2138 my ($path, $origin, $load) = @_;
1630 2139
1631 $path = normalise $path, $origin && $origin->{path}; 2140 $path = normalise $path, $origin && $origin->{path};
1632 2141
1633 if (my $map = $cf::MAP{$path}) { 2142 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2143 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2144 }
1636 2145
1637 undef $MAP_PREFETCH{$path}; 2146 $MAP_PREFETCH{$path} |= $load;
2147
1638 $MAP_PREFETCHER ||= cf::async { 2148 $MAP_PREFETCHER ||= cf::async {
2149 $Coro::current->{desc} = "map prefetcher";
2150
1639 while (%MAP_PREFETCH) { 2151 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2152 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2153 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2154 $map->load if $v;
2155 }
1644 2156
1645 delete $MAP_PREFETCH{$path}; 2157 delete $MAP_PREFETCH{$k};
1646 } 2158 }
1647 } 2159 }
1648 undef $MAP_PREFETCHER; 2160 undef $MAP_PREFETCHER;
1649 }; 2161 };
1650 $MAP_PREFETCHER->prio (6); 2162 $MAP_PREFETCHER->prio (6);
… …
1653} 2165}
1654 2166
1655sub save { 2167sub save {
1656 my ($self) = @_; 2168 my ($self) = @_;
1657 2169
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2170 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2171
1660 $self->{last_save} = $cf::RUNTIME; 2172 $self->{last_save} = $cf::RUNTIME;
1661 2173
1662 return unless $self->dirty; 2174 return unless $self->dirty;
1663 2175
… …
1669 return if $self->{deny_save}; 2181 return if $self->{deny_save};
1670 2182
1671 local $self->{last_access} = $self->last_access;#d# 2183 local $self->{last_access} = $self->last_access;#d#
1672 2184
1673 cf::async { 2185 cf::async {
2186 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2187 $_->contr->save for $self->players;
1675 }; 2188 };
2189
2190 cf::get_slot 0.02;
1676 2191
1677 if ($uniq) { 2192 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2193 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2194 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2195 } else {
… …
1686 my ($self) = @_; 2201 my ($self) = @_;
1687 2202
1688 # save first because save cedes 2203 # save first because save cedes
1689 $self->save; 2204 $self->save;
1690 2205
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2207
1693 return if $self->players; 2208 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2209 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2210 return if $self->{deny_save};
1696 2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 $self->deactivate;
2215 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2216 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2217}
1700 2218
1701sub reset_at { 2219sub reset_at {
1702 my ($self) = @_; 2220 my ($self) = @_;
1703 2221
1704 # TODO: safety, remove and allow resettable per-player maps 2222 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2223 return 1e99 if $self->{deny_reset};
1707 2224
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2225 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2226 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2227
… …
1721 my ($self) = @_; 2238 my ($self) = @_;
1722 2239
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2241
1725 return if $self->players; 2242 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2243
1728 warn "resetting map ", $self->path;#d# 2244 warn "resetting map ", $self->path, "\n";
1729 2245
1730 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
1731 2247
1732 # need to save uniques path 2248 # need to save uniques path
1733 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2253 if $uniq;
1738 } 2254 }
1739 2255
1740 delete $cf::MAP{$self->path}; 2256 delete $cf::MAP{$self->path};
1741 2257
2258 $self->deactivate;
2259 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2260 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2261
1746 $self->unlink_save; 2262 $self->unlink_save;
1747 $self->destroy; 2263 $self->destroy;
1748} 2264}
1749 2265
1750my $nuke_counter = "aaaa"; 2266my $nuke_counter = "aaaa";
1751 2267
1752sub nuke { 2268sub nuke {
1753 my ($self) = @_; 2269 my ($self) = @_;
1754 2270
2271 {
2272 my $lock = cf::lock_acquire "map_data:$self->{path}";
2273
1755 delete $cf::MAP{$self->path}; 2274 delete $cf::MAP{$self->path};
1756 2275
1757 $self->unlink_save; 2276 $self->unlink_save;
1758 2277
1759 bless $self, "cf::map"; 2278 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2279 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2280 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2281 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2282 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2283
1765 $cf::MAP{$self->path} = $self; 2284 $cf::MAP{$self->path} = $self;
2285 }
1766 2286
1767 $self->reset; # polite request, might not happen 2287 $self->reset; # polite request, might not happen
2288}
2289
2290=item $maps = cf::map::tmp_maps
2291
2292Returns an arrayref with all map paths of currently instantiated and saved
2293maps. May block.
2294
2295=cut
2296
2297sub tmp_maps() {
2298 [
2299 map {
2300 utf8::decode $_;
2301 /\.map$/
2302 ? normalise $_
2303 : ()
2304 } @{ aio_readdir $TMPDIR or [] }
2305 ]
2306}
2307
2308=item $maps = cf::map::random_maps
2309
2310Returns an arrayref with all map paths of currently instantiated and saved
2311random maps. May block.
2312
2313=cut
2314
2315sub random_maps() {
2316 [
2317 map {
2318 utf8::decode $_;
2319 /\.map$/
2320 ? normalise "?random/$_"
2321 : ()
2322 } @{ aio_readdir $RANDOMDIR or [] }
2323 ]
1768} 2324}
1769 2325
1770=item cf::map::unique_maps 2326=item cf::map::unique_maps
1771 2327
1772Returns an arrayref of paths of all shared maps that have 2328Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2329instantiated unique items. May block.
1774 2330
1775=cut 2331=cut
1776 2332
1777sub unique_maps() { 2333sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2334 [
1779 or return; 2335 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2336 utf8::decode $_;
1785 next if /\.pst$/; 2337 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2338 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2339 ? ()
1788 push @paths, cf::map::normalise $_; 2340 : normalise $_
2341 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2342 ]
1790
1791 \@paths
1792} 2343}
1793
1794package cf;
1795 2344
1796=back 2345=back
1797 2346
1798=head3 cf::object 2347=head3 cf::object
1799 2348
… …
1803 2352
1804=over 4 2353=over 4
1805 2354
1806=item $ob->inv_recursive 2355=item $ob->inv_recursive
1807 2356
1808Returns the inventory of the object _and_ their inventories, recursively. 2357Returns the inventory of the object I<and> their inventories, recursively,
2358but I<not> the object itself.
1809 2359
1810=cut 2360=cut
1811 2361
1812sub inv_recursive_; 2362sub inv_recursive_;
1813sub inv_recursive_ { 2363sub inv_recursive_ {
… …
1816 2366
1817sub inv_recursive { 2367sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2368 inv_recursive_ inv $_[0]
1819} 2369}
1820 2370
2371=item $ref = $ob->ref
2372
2373Creates and returns a persistent reference to an object that can be stored as a string.
2374
2375=item $ob = cf::object::deref ($refstring)
2376
2377returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378even if the object actually exists. May block.
2379
2380=cut
2381
2382sub deref {
2383 my ($ref) = @_;
2384
2385 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2386 my ($uuid, $name) = ($1, $2);
2387 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2388 or return;
2389 $pl->ob->uuid eq $uuid
2390 or return;
2391
2392 $pl->ob
2393 } else {
2394 warn "$ref: cannot resolve object reference\n";
2395 undef
2396 }
2397}
2398
1821package cf; 2399package cf;
1822 2400
1823=back 2401=back
1824 2402
1825=head3 cf::object::player 2403=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2409Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2410can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2411dialogue with the given NPC character.
1834 2412
1835=cut 2413=cut
2414
2415our $SAY_CHANNEL = {
2416 id => "say",
2417 title => "Map",
2418 reply => "say ",
2419 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2420};
2421
2422our $CHAT_CHANNEL = {
2423 id => "chat",
2424 title => "Chat",
2425 reply => "chat ",
2426 tooltip => "Player chat and shouts, global to the server.",
2427};
1836 2428
1837# rough implementation of a future "reply" method that works 2429# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2430# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2431#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2432sub cf::object::player::reply($$$;$) {
… …
1842 2434
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2435 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2436
1845 if ($self->{record_replies}) { 2437 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2438 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2439
1847 } else { 2440 } else {
2441 my $pl = $self->contr;
2442
2443 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2444 my $dialog = $pl->{npc_dialog};
2445 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2446
2447 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2448 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2449 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2450 }
1850 } 2451 }
2452}
2453
2454=item $object->send_msg ($channel, $msg, $color, [extra...])
2455
2456=cut
2457
2458sub cf::object::send_msg {
2459 my $pl = shift->contr
2460 or return;
2461 $pl->send_msg (@_);
1851} 2462}
1852 2463
1853=item $player_object->may ("access") 2464=item $player_object->may ("access")
1854 2465
1855Returns wether the given player is authorized to access resource "access" 2466Returns wether the given player is authorized to access resource "access"
… …
1868 2479
1869=item $player_object->enter_link 2480=item $player_object->enter_link
1870 2481
1871Freezes the player and moves him/her to a special map (C<{link}>). 2482Freezes the player and moves him/her to a special map (C<{link}>).
1872 2483
1873The player should be reasonably safe there for short amounts of time. You 2484The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2485for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2486though, as the palyer cannot control the character while it is on the link
2487map.
1875 2488
1876Will never block. 2489Will never block.
1877 2490
1878=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
1879 2492
… …
1902 $self->deactivate_recursive; 2515 $self->deactivate_recursive;
1903 2516
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2517 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2518
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2519 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2520 if $self->map && $self->map->{path} ne "{link}";
1908 2521
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2522 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1910} 2523}
1911 2524
1912sub cf::object::player::leave_link { 2525sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2526 my ($self, $map, $x, $y) = @_;
2527
2528 return unless $self->contr->active;
1914 2529
1915 my $link_pos = delete $self->{_link_pos}; 2530 my $link_pos = delete $self->{_link_pos};
1916 2531
1917 unless ($map) { 2532 unless ($map) {
1918 # restore original map position 2533 # restore original map position
… …
1932 # use -1 or undef as default coordinates, not 0, 0 2547 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2548 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2549 if $x <=0 && $y <= 0;
1935 2550
1936 $map->load; 2551 $map->load;
1937 $map->load_diag; 2552 $map->load_neighbours;
1938 2553
1939 return unless $self->contr->active; 2554 return unless $self->contr->active;
1940 $self->activate_recursive;
1941 2555
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
1944}
1945 2558
1946cf::player->attach ( 2559 # only activate afterwards, to support waiting in hooks
1947 on_logout => sub { 2560 $self->activate_recursive;
1948 my ($pl) = @_; 2561}
1949 2562
1950 # abort map switching before logout 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951 if ($pl->ob->{_link_pos}) {
1952 cf::sync_job {
1953 $pl->ob->leave_link
1954 };
1955 }
1956 },
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2564
1960 # try to abort aborted map switching on player login :) 2565Moves the player to the given map-path and coordinates by first freezing
1961 # should happen only on crashes 2566her, loading and preparing them map, calling the provided $check callback
1962 if ($pl->ob->{_link_pos}) { 2567that has to return the map if sucecssful, and then unfreezes the player on
1963 $pl->ob->enter_link; 2568the new (success) or old (failed) map position. In either case, $done will
1964 (async { 2569be called at the end of this process.
1965 $pl->ob->reply (undef,
1966 "There was an internal problem at your last logout, "
1967 . "the server will try to bring you to your intended destination in a second.",
1968 cf::NDI_RED);
1969 # we need this sleep as the login has a concurrent enter_exit running
1970 # and this sleep increases chances of the player not ending up in scorn
1971 Coro::Timer::sleep 1;
1972 $pl->ob->leave_link;
1973 })->prio (2);
1974 }
1975 },
1976);
1977 2570
1978=item $player_object->goto ($path, $x, $y) 2571Note that $check will be called with a potentially non-loaded map, so if
2572it needs a loaded map it has to call C<< ->load >>.
1979 2573
1980=cut 2574=cut
2575
2576our $GOTOGEN;
1981 2577
1982sub cf::object::player::goto { 2578sub cf::object::player::goto {
1983 my ($self, $path, $x, $y) = @_; 2579 my ($self, $path, $x, $y, $check, $done) = @_;
2580
2581 # do generation counting so two concurrent goto's will be executed in-order
2582 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984 2583
1985 $self->enter_link; 2584 $self->enter_link;
1986 2585
1987 (async { 2586 (async {
2587 $Coro::current->{desc} = "player::goto $path $x $y";
2588
2589 # *tag paths override both path and x|y
2590 if ($path =~ /^\*(.*)$/) {
2591 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2592 my $ob = $obs[rand @obs];
2593
2594 # see if we actually can go there
2595 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2596 $ob = $obs[rand @obs];
2597 } else {
2598 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2599 }
2600 # else put us there anyways for now #d#
2601
2602 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2603 } else {
2604 ($path, $x, $y) = (undef, undef, undef);
2605 }
2606 }
2607
1988 my $map = eval { 2608 my $map = eval {
1989 my $map = cf::map::find $path; 2609 my $map = defined $path ? cf::map::find $path : undef;
2610
2611 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2612 $map = $map->customise_for ($self);
2613 $map = $check->($map) if $check && $map;
2614 } else {
2615 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2616 }
2617
1991 $map 2618 $map
2619 };
2620
2621 if ($@) {
2622 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2623 LOG llevError | logBacktrace, Carp::longmess $@;
1992 } or 2624 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2625
2626 if ($gen == $self->{_goto_generation}) {
2627 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2628 $self->leave_link ($map, $x, $y);
2629 }
2630
2631 $done->() if $done;
1996 })->prio (1); 2632 })->prio (1);
1997} 2633}
1998 2634
1999=item $player_object->enter_exit ($exit_object) 2635=item $player_object->enter_exit ($exit_object)
2000 2636
… …
2020} 2656}
2021 2657
2022sub prepare_random_map { 2658sub prepare_random_map {
2023 my ($exit) = @_; 2659 my ($exit) = @_;
2024 2660
2025 my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027 # all this does is basically replace the /! path by 2661 # all this does is basically replace the /! path by
2028 # a new random map path (?random/...) with a seed 2662 # a new random map path (?random/...) with a seed
2029 # that depends on the exit object 2663 # that depends on the exit object
2030 2664
2031 my $rmp = parse_random_map_params $exit->msg; 2665 my $rmp = parse_random_map_params $exit->msg;
… …
2033 if ($exit->map) { 2667 if ($exit->map) {
2034 $rmp->{region} = $exit->region->name; 2668 $rmp->{region} = $exit->region->name;
2035 $rmp->{origin_map} = $exit->map->path; 2669 $rmp->{origin_map} = $exit->map->path;
2036 $rmp->{origin_x} = $exit->x; 2670 $rmp->{origin_x} = $exit->x;
2037 $rmp->{origin_y} = $exit->y; 2671 $rmp->{origin_y} = $exit->y;
2672
2673 $exit->map->touch;
2038 } 2674 }
2039 2675
2040 $rmp->{random_seed} ||= $exit->random_seed; 2676 $rmp->{random_seed} ||= $exit->random_seed;
2041 2677
2042 my $data = cf::to_json $rmp; 2678 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043 my $md5 = Digest::MD5::md5_hex $data; 2679 my $md5 = Digest::MD5::md5_hex $data;
2044 my $meta = "$RANDOMDIR/$md5.meta"; 2680 my $meta = "$RANDOMDIR/$md5.meta";
2045 2681
2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2682 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047 aio_write $fh, 0, (length $data), $data, 0; 2683 aio_write $fh, 0, (length $data), $data, 0;
2048 undef $fh; 2684 undef $fh;
2049 aio_rename "$meta~", $meta; 2685 aio_rename "$meta~", $meta;
2050 2686
2687 my $slaying = "?random/$md5";
2688
2689 if ($exit->valid) {
2051 $exit->slaying ("?random/$md5"); 2690 $exit->slaying ("?random/$md5");
2052 $exit->msg (undef); 2691 $exit->msg (undef);
2692 }
2053 } 2693 }
2054} 2694}
2055 2695
2056sub cf::object::player::enter_exit { 2696sub cf::object::player::enter_exit {
2057 my ($self, $exit) = @_; 2697 my ($self, $exit) = @_;
2058 2698
2059 return unless $self->type == cf::PLAYER; 2699 return unless $self->type == cf::PLAYER;
2060 2700
2061 if ($exit->slaying eq "/!") {
2062 #TODO: this should de-fi-ni-te-ly not be a sync-job
2063 # the problem is that $exit might not survive long enough
2064 # so it needs to be done right now, right here
2065 cf::sync_job { prepare_random_map $exit };
2066 }
2067
2068 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069 my $hp = $exit->stats->hp;
2070 my $sp = $exit->stats->sp;
2071
2072 $self->enter_link; 2701 $self->enter_link;
2073 2702
2074 (async { 2703 (async {
2075 $self->deactivate_recursive; # just to be sure 2704 $Coro::current->{desc} = "enter_exit";
2705
2076 unless (eval { 2706 unless (eval {
2707 $self->deactivate_recursive; # just to be sure
2708
2709 # random map handling
2710 {
2711 my $guard = cf::lock_acquire "exit_prepare:$exit";
2712
2713 prepare_random_map $exit
2714 if $exit->slaying eq "/!";
2715 }
2716
2717 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2718 my $x = $exit->stats->hp;
2719 my $y = $exit->stats->sp;
2720
2077 $self->goto ($slaying, $hp, $sp); 2721 $self->goto ($map, $x, $y);
2078 2722
2723 # if exit is damned, update players death & WoR home-position
2724 $self->contr->savebed ($map, $x, $y)
2725 if $exit->flag (cf::FLAG_DAMNED);
2726
2079 1; 2727 1
2080 }) { 2728 }) {
2081 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2082 . "I'll try to bring you back to the map you were before. " 2730 . "I'll try to bring you back to the map you were before. "
2083 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2084 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2085 2733
2086 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
… …
2105 2753
2106 utf8::encode $text; 2754 utf8::encode $text;
2107 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2755 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108} 2756}
2109 2757
2758=item $client->send_msg ($channel, $msg, $color, [extra...])
2759
2760Send a drawinfo or msg packet to the client, formatting the msg for the
2761client if neccessary. C<$type> should be a string identifying the type of
2762the message, with C<log> being the default. If C<$color> is negative, suppress
2763the message unless the client supports the msg packet.
2764
2765=cut
2766
2767# non-persistent channels (usually the info channel)
2768our %CHANNEL = (
2769 "c/identify" => {
2770 id => "infobox",
2771 title => "Identify",
2772 reply => undef,
2773 tooltip => "Items recently identified",
2774 },
2775 "c/examine" => {
2776 id => "infobox",
2777 title => "Examine",
2778 reply => undef,
2779 tooltip => "Signs and other items you examined",
2780 },
2781 "c/book" => {
2782 id => "infobox",
2783 title => "Book",
2784 reply => undef,
2785 tooltip => "The contents of a note or book",
2786 },
2787 "c/lookat" => {
2788 id => "infobox",
2789 title => "Look",
2790 reply => undef,
2791 tooltip => "What you saw there",
2792 },
2793 "c/who" => {
2794 id => "infobox",
2795 title => "Players",
2796 reply => undef,
2797 tooltip => "Shows players who are currently online",
2798 },
2799 "c/body" => {
2800 id => "infobox",
2801 title => "Body Parts",
2802 reply => undef,
2803 tooltip => "Shows which body parts you posess and are available",
2804 },
2805 "c/statistics" => {
2806 id => "infobox",
2807 title => "Statistics",
2808 reply => undef,
2809 tooltip => "Shows your primary statistics",
2810 },
2811 "c/skills" => {
2812 id => "infobox",
2813 title => "Skills",
2814 reply => undef,
2815 tooltip => "Shows your experience per skill and item power",
2816 },
2817 "c/shopitems" => {
2818 id => "infobox",
2819 title => "Shop Items",
2820 reply => undef,
2821 tooltip => "Shows the items currently for sale in this shop",
2822 },
2823 "c/resistances" => {
2824 id => "infobox",
2825 title => "Resistances",
2826 reply => undef,
2827 tooltip => "Shows your resistances",
2828 },
2829 "c/pets" => {
2830 id => "infobox",
2831 title => "Pets",
2832 reply => undef,
2833 tooltip => "Shows information abotu your pets/a specific pet",
2834 },
2835 "c/perceiveself" => {
2836 id => "infobox",
2837 title => "Perceive Self",
2838 reply => undef,
2839 tooltip => "You gained detailed knowledge about yourself",
2840 },
2841 "c/uptime" => {
2842 id => "infobox",
2843 title => "Uptime",
2844 reply => undef,
2845 tooltip => "How long the server has been running since last restart",
2846 },
2847 "c/mapinfo" => {
2848 id => "infobox",
2849 title => "Map Info",
2850 reply => undef,
2851 tooltip => "Information related to the maps",
2852 },
2853 "c/party" => {
2854 id => "party",
2855 title => "Party",
2856 reply => "gsay ",
2857 tooltip => "Messages and chat related to your party",
2858 },
2859 "c/death" => {
2860 id => "death",
2861 title => "Death",
2862 reply => undef,
2863 tooltip => "Reason for and more info about your most recent death",
2864 },
2865 "c/say" => $SAY_CHANNEL,
2866 "c/chat" => $CHAT_CHANNEL,
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel);
2882 $channel = $channel->{id};
2883
2884 } elsif (ref $channel) {
2885 # send meta info to client, if not yet sent
2886 unless (exists $self->{channel}{$channel->{id}}) {
2887 $self->{channel}{$channel->{id}} = $channel;
2888 $self->ext_msg (channel_info => $channel);
2889 }
2890
2891 $channel = $channel->{id};
2892 }
2893
2894 return unless @extra || length $msg;
2895
2896 # default colour, mask it out
2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2898 if $color & cf::NDI_DEF;
2899
2900 my $pkt = "msg "
2901 . $self->{json_coder}->encode (
2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903 );
2904
2905 # try lzf for large packets
2906 $pkt = "lzf " . Compress::LZF::compress $pkt
2907 if 1024 <= length $pkt and $self->{can_lzf};
2908
2909 # split very large packets
2910 if (8192 < length $pkt and $self->{can_lzf}) {
2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2912 $pkt = "frag";
2913 }
2914
2915 $self->send_packet ($pkt);
2916}
2917
2110=item $client->ext_event ($type, %msg) 2918=item $client->ext_msg ($type, @msg)
2111 2919
2112Sends an exti event to the client. 2920Sends an ext event to the client.
2113 2921
2114=cut 2922=cut
2115 2923
2116sub cf::client::ext_event($$%) { 2924sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 2925 my ($self, $type, @msg) = @_;
2118 2926
2927 if ($self->extcmd == 2) {
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2929 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 2930 push @msg, msgtype => "event_$type";
2120 $self->send_packet ("ext " . cf::to_json \%msg); 2931 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932 }
2933}
2934
2935=item $client->ext_reply ($msgid, @msg)
2936
2937Sends an ext reply to the client.
2938
2939=cut
2940
2941sub cf::client::ext_reply($$@) {
2942 my ($self, $id, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2946 } elsif ($self->extcmd == 1) {
2947 #TODO: version 1, remove
2948 unshift @msg, msgtype => "reply", msgid => $id;
2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2121} 2951}
2122 2952
2123=item $success = $client->query ($flags, "text", \&cb) 2953=item $success = $client->query ($flags, "text", \&cb)
2124 2954
2125Queues a query to the client, calling the given callback with 2955Queues a query to the client, calling the given callback with
2126the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2957C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128 2958
2129Queries can fail, so check the return code. Or don't, as queries will become 2959Queries can fail, so check the return code. Or don't, as queries will
2130reliable at some point in the future. 2960become reliable at some point in the future.
2131 2961
2132=cut 2962=cut
2133 2963
2134sub cf::client::query { 2964sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 2965 my ($self, $flags, $text, $cb) = @_;
… …
2143 utf8::encode $text; 2973 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2974 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 2975
2146 $self->send_packet ($self->{query_queue}[0][0]) 2976 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 2977 if @{ $self->{query_queue} } == 1;
2978
2979 1
2148} 2980}
2149 2981
2150cf::client->attach ( 2982cf::client->attach (
2983 on_connect => sub {
2984 my ($ns) = @_;
2985
2986 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2987 },
2151 on_reply => sub { 2988 on_reply => sub {
2152 my ($ns, $msg) = @_; 2989 my ($ns, $msg) = @_;
2153 2990
2154 # this weird shuffling is so that direct followup queries 2991 # this weird shuffling is so that direct followup queries
2155 # get handled first 2992 # get handled first
… …
2167 } else { 3004 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3005 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 3006 }
2170 } 3007 }
2171 }, 3008 },
3009 on_exticmd => sub {
3010 my ($ns, $buf) = @_;
3011
3012 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3013
3014 if (ref $msg) {
3015 my ($type, $reply, @payload) =
3016 "ARRAY" eq ref $msg
3017 ? @$msg
3018 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3019
3020 my @reply;
3021
3022 if (my $cb = $EXTICMD{$type}) {
3023 @reply = $cb->($ns, @payload);
3024 }
3025
3026 $ns->ext_reply ($reply, @reply)
3027 if $reply;
3028
3029 } else {
3030 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3031 }
3032
3033 cf::override;
3034 },
2172); 3035);
2173 3036
2174=item $client->async (\&cb) 3037=item $client->async (\&cb)
2175 3038
2176Create a new coroutine, running the specified callback. The coroutine will 3039Create a new coroutine, running the specified callback. The coroutine will
… …
2217our $safe = new Safe "safe"; 3080our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 3081our $safe_hole = new Safe::Hole;
2219 3082
2220$SIG{FPE} = 'IGNORE'; 3083$SIG{FPE} = 'IGNORE';
2221 3084
2222$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3085$safe->permit_only (Opcode::opset qw(
3086 :base_core :base_mem :base_orig :base_math
3087 grepstart grepwhile mapstart mapwhile
3088 sort time
3089));
2223 3090
2224# here we export the classes and methods available to script code 3091# here we export the classes and methods available to script code
2225 3092
2226=pod 3093=pod
2227 3094
2228The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
2229 3096
2230 cf::object contr pay_amount pay_player map 3097 cf::object
3098 contr pay_amount pay_player map x y force_find force_add destroy
3099 insert remove name archname title slaying race decrease split
3100 value
3101
2231 cf::object::player player 3102 cf::object::player
2232 cf::player peaceful 3103 player
2233 cf::map trigger 3104
3105 cf::player
3106 peaceful
3107
3108 cf::map
3109 trigger
2234 3110
2235=cut 3111=cut
2236 3112
2237for ( 3113for (
2238 ["cf::object" => qw(contr pay_amount pay_player map)], 3114 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3115 insert remove inv nrof name archname title slaying race
3116 decrease split destroy change_exp value msg lore send_msg)],
2239 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
2241 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
2242) { 3120) {
2243 no strict 'refs'; 3121 no strict 'refs';
2244 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
2245 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2262 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
2263 3141
2264 my $qcode = $code; 3142 my $qcode = $code;
2265 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2266 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
2267 3147
2268 local $_; 3148 local $_;
2269 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
2270 3150
2271 my $eval = 3151 my $eval =
… …
2314=back 3194=back
2315 3195
2316=cut 3196=cut
2317 3197
2318############################################################################# 3198#############################################################################
2319
2320=head2 EXTENSION DATABASE SUPPORT
2321
2322Crossfire maintains a very simple database for extension use. It can
2323currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324convert to/from binary).
2325
2326The parameter C<$family> should best start with the name of the extension
2327using it, it should be unique.
2328
2329=over 4
2330
2331=item $value = cf::db_get $family => $key
2332
2333Returns a single value from the database.
2334
2335=item cf::db_put $family => $key => $value
2336
2337Stores the given C<$value> in the family.
2338
2339=cut
2340
2341our $DB;
2342
2343sub db_init {
2344 unless ($DB) {
2345 $DB = BDB::db_create $DB_ENV;
2346
2347 cf::sync_job {
2348 eval {
2349 $DB->set_flags (BDB::CHKSUM);
2350
2351 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353 cf::cleanup "db_open(db): $!" if $!;
2354 };
2355 cf::cleanup "db_open(db): $@" if $@;
2356 };
2357 }
2358}
2359
2360sub db_get($$) {
2361 my $key = "$_[0]/$_[1]";
2362
2363 cf::sync_job {
2364 BDB::db_get $DB, undef, $key, my $data;
2365
2366 $! ? ()
2367 : $data
2368 }
2369}
2370
2371sub db_put($$$) {
2372 BDB::dbreq_pri 4;
2373 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374}
2375
2376=item cf::cache $id => [$paths...], $processversion => $process
2377
2378Generic caching function that returns the value of the resource $id,
2379caching and regenerating as required.
2380
2381This function can block.
2382
2383=cut
2384
2385sub cache {
2386 my ($id, $src, $processversion, $process) = @_;
2387
2388 my $meta =
2389 join "\x00",
2390 $processversion,
2391 map {
2392 aio_stat $_
2393 and Carp::croak "$_: $!";
2394
2395 ($_, (stat _)[7,9])
2396 } @$src;
2397
2398 my $dbmeta = db_get cache => "$id/meta";
2399 if ($dbmeta ne $meta) {
2400 # changed, we may need to process
2401
2402 my @data;
2403 my $md5;
2404
2405 for (0 .. $#$src) {
2406 0 <= aio_load $src->[$_], $data[$_]
2407 or Carp::croak "$src->[$_]: $!";
2408 }
2409
2410 # if processing is expensive, check
2411 # checksum first
2412 if (1) {
2413 $md5 =
2414 join "\x00",
2415 $processversion,
2416 map {
2417 Coro::cede;
2418 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2419 } 0.. $#$src;
2420
2421
2422 my $dbmd5 = db_get cache => "$id/md5";
2423 if ($dbmd5 eq $md5) {
2424 db_put cache => "$id/meta", $meta;
2425
2426 return db_get cache => "$id/data";
2427 }
2428 }
2429
2430 my $t1 = Time::HiRes::time;
2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436 db_put cache => "$id/data", $data;
2437 db_put cache => "$id/md5" , $md5;
2438 db_put cache => "$id/meta", $meta;
2439
2440 return $data;
2441 }
2442
2443 db_get cache => "$id/data"
2444}
2445
2446=item fork_call { }, $args
2447
2448Executes the given code block with the given arguments in a seperate
2449process, returning the results. Everything must be serialisable with
2450Coro::Storable. May, of course, block. Note that the executed sub may
2451never block itself or use any form of Event handling.
2452
2453=cut
2454
2455sub fork_call(&@) {
2456 my ($cb, @args) = @_;
2457
2458# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459# or die "socketpair: $!";
2460 pipe my $fh1, my $fh2
2461 or die "pipe: $!";
2462
2463 if (my $pid = fork) {
2464 close $fh2;
2465
2466 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467 $res = Coro::Storable::thaw $res;
2468
2469 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471 die $$res unless "ARRAY" eq ref $res;
2472
2473 return wantarray ? @$res : $res->[-1];
2474 } else {
2475 reset_signals;
2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2478 eval {
2479 close $fh1;
2480
2481 my @res = eval { $cb->(@args) };
2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483 };
2484
2485 warn $@ if $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491
2492#############################################################################
2493# the server's init and main functions 3199# the server's init and main functions
2494 3200
2495sub load_facedata($) { 3201sub load_facedata($) {
2496 my ($path) = @_; 3202 my ($path) = @_;
3203
3204 # HACK to clear player env face cache, we need some signal framework
3205 # for this (global event?)
3206 %ext::player_env::MUSIC_FACE_CACHE = ();
3207
3208 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497 3209
2498 warn "loading facedata from $path\n"; 3210 warn "loading facedata from $path\n";
2499 3211
2500 my $facedata; 3212 my $facedata;
2501 0 < aio_load $path, $facedata 3213 0 < aio_load $path, $facedata
… …
2504 $facedata = Coro::Storable::thaw $facedata; 3216 $facedata = Coro::Storable::thaw $facedata;
2505 3217
2506 $facedata->{version} == 2 3218 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3219 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 3220
3221 # patch in the exptable
3222 $facedata->{resource}{"res/exp_table"} = {
3223 type => FT_RSRC,
3224 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3225 };
3226 cf::cede_to_tick;
3227
2509 { 3228 {
2510 my $faces = $facedata->{faceinfo}; 3229 my $faces = $facedata->{faceinfo};
2511 3230
2512 while (my ($face, $info) = each %$faces) { 3231 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3232 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3233
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3234 cf::face::set_visibility $idx, $info->{visibility};
3235 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3236 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3237 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517 Coro::cede; 3238
3239 cf::cede_to_tick;
2518 } 3240 }
2519 3241
2520 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3243 next unless $info->{smooth};
3244
2522 my $idx = cf::face::find $face 3245 my $idx = cf::face::find $face
2523 or next; 3246 or next;
3247
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3248 if (my $smooth = cf::face::find $info->{smooth}) {
3249 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3250 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3251 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3252 warn "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3253 }
2529 Coro::cede; 3254
3255 cf::cede_to_tick;
2530 } 3256 }
2531 } 3257 }
2532 3258
2533 { 3259 {
2534 my $anims = $facedata->{animinfo}; 3260 my $anims = $facedata->{animinfo};
2535 3261
2536 while (my ($anim, $info) = each %$anims) { 3262 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3263 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3264 cf::cede_to_tick;
2539 } 3265 }
2540 3266
2541 cf::anim::invalidate_all; # d'oh 3267 cf::anim::invalidate_all; # d'oh
2542 } 3268 }
2543 3269
3270 {
3271 # TODO: for gcfclient pleasure, we should give resources
3272 # that gcfclient doesn't grok a >10000 face index.
3273 my $res = $facedata->{resource};
3274
3275 while (my ($name, $info) = each %$res) {
3276 if (defined $info->{type}) {
3277 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3278 my $data;
3279
3280 if ($info->{type} & 1) {
3281 # prepend meta info
3282
3283 my $meta = $enc->encode ({
3284 name => $name,
3285 %{ $info->{meta} || {} },
3286 });
3287
3288 $data = pack "(w/a*)*", $meta, $info->{data};
3289 } else {
3290 $data = $info->{data};
3291 }
3292
3293 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3294 cf::face::set_type $idx, $info->{type};
3295 } else {
3296 $RESOURCE{$name} = $info;
3297 }
3298
3299 cf::cede_to_tick;
3300 }
3301 }
3302
3303 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3304
2544 1 3305 1
2545} 3306}
2546 3307
3308cf::global->attach (on_resource_update => sub {
3309 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3310 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3311
3312 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3313 my $sound = $soundconf->{compat}[$_]
3314 or next;
3315
3316 my $face = cf::face::find "sound/$sound->[1]";
3317 cf::sound::set $sound->[0] => $face;
3318 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3319 }
3320
3321 while (my ($k, $v) = each %{$soundconf->{event}}) {
3322 my $face = cf::face::find "sound/$v";
3323 cf::sound::set $k => $face;
3324 }
3325 }
3326});
3327
3328register_exticmd fx_want => sub {
3329 my ($ns, $want) = @_;
3330
3331 while (my ($k, $v) = each %$want) {
3332 $ns->fx_want ($k, $v);
3333 }
3334};
3335
3336sub load_resource_file($) {
3337 my $guard = lock_acquire "load_resource_file";
3338
3339 my $status = load_resource_file_ $_[0];
3340 get_slot 0.1, 100;
3341 cf::arch::commit_load;
3342
3343 $status
3344}
3345
2547sub reload_regions { 3346sub reload_regions {
3347 # HACK to clear player env face cache, we need some signal framework
3348 # for this (global event?)
3349 %ext::player_env::MUSIC_FACE_CACHE = ();
3350
2548 load_resource_file "$MAPDIR/regions" 3351 load_resource_file "$MAPDIR/regions"
2549 or die "unable to load regions file\n"; 3352 or die "unable to load regions file\n";
3353
3354 for (cf::region::list) {
3355 $_->{match} = qr/$_->{match}/
3356 if exists $_->{match};
3357 }
2550} 3358}
2551 3359
2552sub reload_facedata { 3360sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3361 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3362 or die "unable to load facedata\n";
… …
2565} 3373}
2566 3374
2567sub reload_resources { 3375sub reload_resources {
2568 warn "reloading resource files...\n"; 3376 warn "reloading resource files...\n";
2569 3377
2570 reload_regions;
2571 reload_facedata; 3378 reload_facedata;
2572 reload_archetypes; 3379 reload_archetypes;
3380 reload_regions;
2573 reload_treasures; 3381 reload_treasures;
2574 3382
2575 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
2576} 3384}
2577 3385
2578sub init { 3386sub reload_config {
2579 reload_resources;
2580}
2581
2582sub cfg_load {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3388 or return;
2585 3389
2586 local $/; 3390 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3391 *CFG = YAML::Load <$fh>;
2588 3392
2589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3393 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590 3394
2591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3395 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3396 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2598 }; 3402 };
2599 warn $@ if $@; 3403 warn $@ if $@;
2600 } 3404 }
2601} 3405}
2602 3406
3407sub pidfile() {
3408 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3409 or die "$PIDFILE: $!";
3410 flock $fh, &Fcntl::LOCK_EX
3411 or die "$PIDFILE: flock: $!";
3412 $fh
3413}
3414
3415# make sure only one server instance is running at any one time
3416sub atomic {
3417 my $fh = pidfile;
3418
3419 my $pid = <$fh>;
3420 kill 9, $pid if $pid > 0;
3421
3422 seek $fh, 0, 0;
3423 print $fh $$;
3424}
3425
3426sub main_loop {
3427 warn "EV::loop starting\n";
3428 if (1) {
3429 EV::loop;
3430 }
3431 warn "EV::loop returned\n";
3432 goto &main_loop unless $REALLY_UNLOOP;
3433}
3434
2603sub main { 3435sub main {
3436 cf::init_globals; # initialise logging
3437
3438 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3439 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3440 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3441 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3442
3443 cf::init_experience;
3444 cf::init_anim;
3445 cf::init_attackmess;
3446 cf::init_dynamic;
3447
3448 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3449
2604 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
2606 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607 (async { 3453 (async {
2608 Event::one_event; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT;
2609 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
2610 }; 3457 };
2611 3458
2612 cfg_load; 3459 evthread_start IO::AIO::poll_fileno;
3460
3461 cf::sync_job {
3462 reload_resources;
3463 reload_config;
2613 db_init; 3464 db_init;
3465
3466 cf::load_settings;
3467 cf::load_materials;
3468 cf::init_uuid;
3469 cf::init_signals;
3470 cf::init_commands;
3471 cf::init_skills;
3472
3473 cf::init_beforeplay;
3474
3475 atomic;
3476
2614 load_extensions; 3477 load_extensions;
2615 3478
2616 $TICK_WATCHER->start; 3479 utime time, time, $RUNTIMEFILE;
2617 Event::loop; 3480
3481 # no (long-running) fork's whatsoever before this point(!)
3482 use POSIX ();
3483 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3484
3485 (pop @POST_INIT)->(0) while @POST_INIT;
3486 };
3487
3488 main_loop;
2618} 3489}
2619 3490
2620############################################################################# 3491#############################################################################
2621# initialisation and cleanup 3492# initialisation and cleanup
2622 3493
2623# install some emergency cleanup handlers 3494# install some emergency cleanup handlers
2624BEGIN { 3495BEGIN {
3496 our %SIGWATCHER = ();
2625 for my $signal (qw(INT HUP TERM)) { 3497 for my $signal (qw(INT HUP TERM)) {
2626 Event->signal ( 3498 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2627 reentrant => 0,
2628 data => WF_AUTOCANCEL,
2629 signal => $signal,
2630 prio => 0,
2631 cb => sub {
2632 cf::cleanup "SIG$signal"; 3499 cf::cleanup "SIG$signal";
2633 },
2634 ); 3500 };
3501 }
3502}
3503
3504sub write_runtime_sync {
3505 # first touch the runtime file to show we are still running:
3506 # the fsync below can take a very very long time.
3507
3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3509
3510 my $guard = cf::lock_acquire "write_runtime";
3511
3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3513 or return;
3514
3515 my $value = $cf::RUNTIME + 90 + 10;
3516 # 10 is the runtime save interval, for a monotonic clock
3517 # 60 allows for the watchdog to kill the server.
3518
3519 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3520 and return;
3521
3522 # always fsync - this file is important
3523 aio_fsync $fh
3524 and return;
3525
3526 # touch it again to show we are up-to-date
3527 aio_utime $fh, undef, undef;
3528
3529 close $fh
3530 or return;
3531
3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3533 and return;
3534
3535 warn "runtime file written.\n";
3536
2635 } 3537 1
3538}
3539
3540our $uuid_lock;
3541our $uuid_skip;
3542
3543sub write_uuid_sync($) {
3544 $uuid_skip ||= $_[0];
3545
3546 return if $uuid_lock;
3547 local $uuid_lock = 1;
3548
3549 my $uuid = "$LOCALDIR/uuid";
3550
3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3552 or return;
3553
3554 my $value = uuid_seq uuid_cur;
3555
3556 unless ($value) {
3557 warn "cowardly refusing to write zero uuid value!\n";
3558 return;
3559 }
3560
3561 my $value = uuid_str $value + $uuid_skip;
3562 $uuid_skip = 0;
3563
3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3565 and return;
3566
3567 # always fsync - this file is important
3568 aio_fsync $fh
3569 and return;
3570
3571 close $fh
3572 or return;
3573
3574 aio_rename "$uuid~", $uuid
3575 and return;
3576
3577 warn "uuid file written ($value).\n";
3578
3579 1
3580
3581}
3582
3583sub write_uuid($$) {
3584 my ($skip, $sync) = @_;
3585
3586 $sync ? write_uuid_sync $skip
3587 : async { write_uuid_sync $skip };
2636} 3588}
2637 3589
2638sub emergency_save() { 3590sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
2640 3592
2641 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
2642 3594
2643 cf::sync_job { 3595 cf::sync_job {
3596 # this is a trade-off: we want to be very quick here, so
3597 # save all maps without fsync, and later call a global sync
3598 # (which in turn might be very very slow)
3599 local $USE_FSYNC = 0;
3600
2644 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
2645 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
2646 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
2648 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3607 $pl->valid or next;
3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3609 $pl->save;
2652 } 3610 }
2653 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
2654 3612
2655 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
2656 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
2657 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
2658 $map->valid or next; 3616 $map->valid or next;
2659 $map->save; 3617 $map->save;
2660 } 3618 }
2661 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
2662 3620
2663 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
2664 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
2665 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3624
3625 warn "emergency_perl_save: begin write uuid\n";
3626 write_uuid_sync 1;
3627 warn "emergency_perl_save: end write uuid\n";
2666 }; 3628 };
2667 3629
3630 warn "emergency_perl_save: starting sync()\n";
3631 IO::AIO::aio_sync sub {
3632 warn "emergency_perl_save: finished sync()\n";
3633 };
3634
2668 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
2669} 3636}
2670 3637
2671sub post_cleanup { 3638sub post_cleanup {
2672 my ($make_core) = @_; 3639 my ($make_core) = @_;
2673 3640
2674 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
2675 if $make_core; 3642 if $make_core;
3643
3644 my $fh = pidfile;
3645 unlink $PIDFILE if <$fh> == $$;
3646}
3647
3648# a safer delete_package, copied from Symbol
3649sub clear_package($) {
3650 my $pkg = shift;
3651
3652 # expand to full symbol table name if needed
3653 unless ($pkg =~ /^main::.*::$/) {
3654 $pkg = "main$pkg" if $pkg =~ /^::/;
3655 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3656 $pkg .= '::' unless $pkg =~ /::$/;
3657 }
3658
3659 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3660 my $stem_symtab = *{$stem}{HASH};
3661
3662 defined $stem_symtab and exists $stem_symtab->{$leaf}
3663 or return;
3664
3665 # clear all symbols
3666 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3667 for my $name (keys %$leaf_symtab) {
3668 _gv_clear *{"$pkg$name"};
3669# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3670 }
3671 warn "cleared package $pkg\n";#d#
2676} 3672}
2677 3673
2678sub do_reload_perl() { 3674sub do_reload_perl() {
2679 # can/must only be called in main 3675 # can/must only be called in main
2680 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
2681 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
2682 return; 3678 return;
2683 } 3679 }
2684 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
2685 warn "reloading..."; 3686 warn "reloading...";
2686 3687
2687 warn "entering sync_job"; 3688 warn "entering sync_job";
2688 3689
2689 cf::sync_job { 3690 cf::sync_job {
2690 cf::write_runtime; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
2691 cf::emergency_save; 3692 cf::emergency_save;
2692 cf::write_runtime; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
2693 3694
2694 warn "syncing database to disk"; 3695 warn "syncing database to disk";
2695 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
2696 3697
2697 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
2698 3699
2699 warn "cancelling all WF_AUTOCANCEL watchers";
2700 for (Event::all_watchers) {
2701 $_->cancel if $_->data & WF_AUTOCANCEL;
2702 }
2703
2704 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
2705 for (;;) {
2706 BDB::flush;
2707 IO::AIO::flush;
2708 Coro::cede;
2709 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
2710 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711 }
2712
2713 ++$RELOAD;
2714
2715 warn "cancelling all extension coros";
2716 $_->cancel for values %EXT_CORO;
2717 %EXT_CORO = ();
2718
2719 warn "removing commands";
2720 %COMMAND = ();
2721
2722 warn "removing ext commands";
2723 %EXTCMD = ();
2724
2725 warn "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg";
2728
2729 if (my $cb = $pkg->can ("unload")) {
2730 eval {
2731 $cb->($pkg);
2732 1
2733 } or warn "$pkg unloaded, but with errors: $@";
2734 } 3703 }
2735 3704
2736 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
2737 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
2738 } 3707 %EXT_CORO = ();
2739 3708
2740 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
2741 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
2742 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
2744 warn "... unloading $k"; 3718 warn "... unloading $pkg";
2745 delete $INC{$k};
2746 3719
2747 $k =~ s/\.pm$//;
2748 $k =~ s/\//::/g;
2749
2750 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
2751 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
2752 } 3729 }
2753 3730
2754 Symbol::delete_package $k; 3731 warn "unloading all perl modules loaded from $LIBDIR";
3732 while (my ($k, $v) = each %INC) {
3733 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3734
3735 warn "... unloading $k";
3736 delete $INC{$k};
3737
3738 $k =~ s/\.pm$//;
3739 $k =~ s/\//::/g;
3740
3741 if (my $cb = $k->can ("unload_module")) {
3742 $cb->();
3743 }
3744
3745 clear_package $k;
2755 } 3746 }
2756 3747
2757 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
2758 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
2759 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3750 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760 3751
2761 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
2762 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
2763 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764 3755
2765 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
2766 # and global variables created in xs 3757 # and global variables created in xs
2767 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
2768 3759
2769 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
2770 3761
2771 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
2772 require cf; 3763 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774 3765
2775 warn "loading config and database again"; 3766 warn "loading config and database again";
2776 cf::cfg_load; 3767 cf::reload_config;
2777 3768
2778 warn "loading extensions"; 3769 warn "loading extensions";
2779 cf::load_extensions; 3770 cf::load_extensions;
2780 3771
3772 if ($REATTACH_ON_RELOAD) {
2781 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
2782 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
2783 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
2784 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
2785 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
2786 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
2787 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
2788 warn "leaving sync_job"; 3784 warn "leaving sync_job";
2789 3785
2790 1 3786 1
2791 } or do { 3787 } or do {
2792 warn $@; 3788 warn $@;
2793 warn "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
2794 exit 1;
2795 }; 3790 };
2796 3791
2797 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
2798}; 3798};
2799 3799
2800our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
2801 3801
2802sub reload_perl() { 3802sub reload_perl() {
2803 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
2804 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
2805 3805
2806 $RELOAD_WATCHER ||= Event->timer ( 3806 $RELOAD_WATCHER ||= cf::async {
2807 reentrant => 0, 3807 Coro::AIO::aio_wait cache_extensions;
2808 after => 0, 3808
2809 data => WF_AUTOCANCEL, 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810 cb => sub {
2811 do_reload_perl; 3810 do_reload_perl;
2812 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
2813 }, 3812 };
2814 ); 3813 };
2815} 3814}
2816 3815
2817register_command "reload" => sub { 3816register_command "reload" => sub {
2818 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
2819 3818
2820 if ($who->flag (FLAG_WIZ)) { 3819 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 3820 $who->message ("reloading server.");
3821 async {
3822 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 3823 reload_perl;
3824 };
2823 } 3825 }
2824}; 3826};
2825 3827
2826unshift @INC, $LIBDIR; 3828unshift @INC, $LIBDIR;
2827 3829
… …
2829 3831
2830our @WAIT_FOR_TICK; 3832our @WAIT_FOR_TICK;
2831our @WAIT_FOR_TICK_BEGIN; 3833our @WAIT_FOR_TICK_BEGIN;
2832 3834
2833sub wait_for_tick { 3835sub wait_for_tick {
2834 return unless $TICK_WATCHER->is_active;
2835 return if $Coro::current == $Coro::main; 3836 return if tick_inhibit || $Coro::current == $Coro::main;
2836 3837
2837 my $signal = new Coro::Signal; 3838 my $signal = new Coro::Signal;
2838 push @WAIT_FOR_TICK, $signal; 3839 push @WAIT_FOR_TICK, $signal;
2839 $signal->wait; 3840 $signal->wait;
2840} 3841}
2841 3842
2842sub wait_for_tick_begin { 3843sub wait_for_tick_begin {
2843 return unless $TICK_WATCHER->is_active;
2844 return if $Coro::current == $Coro::main; 3844 return if tick_inhibit || $Coro::current == $Coro::main;
2845 3845
2846 my $signal = new Coro::Signal; 3846 my $signal = new Coro::Signal;
2847 push @WAIT_FOR_TICK_BEGIN, $signal; 3847 push @WAIT_FOR_TICK_BEGIN, $signal;
2848 $signal->wait; 3848 $signal->wait;
2849} 3849}
2850 3850
2851$TICK_WATCHER = Event->timer ( 3851sub tick {
2852 reentrant => 0,
2853 parked => 1,
2854 prio => 0,
2855 at => $NEXT_TICK || $TICK,
2856 data => WF_AUTOCANCEL,
2857 cb => sub {
2858 if ($Coro::current != $Coro::main) { 3852 if ($Coro::current != $Coro::main) {
2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860 unless ++$bug_warning > 10; 3854 unless ++$bug_warning > 10;
2861 return; 3855 return;
2862 } 3856 }
2863 3857
2864 $NOW = $tick_start = Event::time;
2865
2866 cf::server_tick; # one server iteration 3858 cf::server_tick; # one server iteration
2867 3859
2868 $RUNTIME += $TICK;
2869 $NEXT_TICK += $TICK;
2870
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3860 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 3861 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873 Coro::async_pool { 3862 Coro::async_pool {
3863 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 3864 write_runtime_sync
2875 or warn "ERROR: unable to write runtime file: $!"; 3865 or warn "ERROR: unable to write runtime file: $!";
2876 };
2877 } 3866 };
3867 }
2878 3868
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3869 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 3870 $sig->send;
2884 } 3871 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 3872 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 3873 $sig->send;
2887 } 3874 }
2888 3875
2889 $NOW = Event::time; 3876 $LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891 # if we are delayed by four ticks or more, skip them all
2892 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894 $TICK_WATCHER->at ($NEXT_TICK);
2895 $TICK_WATCHER->start;
2896
2897 $LOAD = ($NOW - $tick_start) / $TICK;
2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3877 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 3878
2900 _post_tick; 3879 if (0) {
2901 3880 if ($NEXT_TICK) {
2902 3881 my $jitter = $TICK_START - $NEXT_TICK;
3882 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3883 warn "jitter $JITTER\n";#d#
3884 }
2903 }, 3885 }
2904); 3886}
2905 3887
2906{ 3888{
2907 BDB::max_poll_time $TICK * 0.1; 3889 # configure BDB
2908 $BDB_POLL_WATCHER = Event->io ( 3890
2909 reentrant => 0,
2910 fd => BDB::poll_fileno,
2911 poll => 'r',
2912 prio => 0,
2913 data => WF_AUTOCANCEL,
2914 cb => \&BDB::poll_cb,
2915 );
2916 BDB::min_parallel 8; 3891 BDB::min_parallel 8;
2917 3892 BDB::max_poll_reqs $TICK * 0.1;
2918 BDB::set_sync_prepare { 3893 $AnyEvent::BDB::WATCHER->priority (1);
2919 my $status;
2920 my $current = $Coro::current;
2921 (
2922 sub {
2923 $status = $!;
2924 $current->ready; undef $current;
2925 },
2926 sub {
2927 Coro::schedule while defined $current;
2928 $! = $status;
2929 },
2930 )
2931 };
2932 3894
2933 unless ($DB_ENV) { 3895 unless ($DB_ENV) {
2934 $DB_ENV = BDB::db_env_create; 3896 $DB_ENV = BDB::db_env_create;
3897 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3898 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3899 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3900 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3901 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935 3902
2936 cf::sync_job { 3903 cf::sync_job {
2937 eval { 3904 eval {
2938 BDB::db_env_open 3905 BDB::db_env_open
2939 $DB_ENV, 3906 $DB_ENV,
… …
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3908 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3909 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 3910 0666;
2944 3911
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3912 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948 $DB_ENV->set_lk_detect;
2949 }; 3913 };
2950 3914
2951 cf::cleanup "db_env_open(db): $@" if $@; 3915 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 3916 };
2953 } 3917 }
3918
3919 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3920 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3921 };
3922 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3923 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3924 };
3925 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3926 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3927 };
2954} 3928}
2955 3929
2956{ 3930{
3931 # configure IO::AIO
3932
2957 IO::AIO::min_parallel 8; 3933 IO::AIO::min_parallel 8;
2958
2959 undef $Coro::AIO::WATCHER;
2960 IO::AIO::max_poll_time $TICK * 0.1; 3934 IO::AIO::max_poll_time $TICK * 0.1;
2961 $AIO_POLL_WATCHER = Event->io ( 3935 undef $AnyEvent::AIO::WATCHER;
2962 reentrant => 0,
2963 data => WF_AUTOCANCEL,
2964 fd => IO::AIO::poll_fileno,
2965 poll => 'r',
2966 prio => 6,
2967 cb => \&IO::AIO::poll_cb,
2968 );
2969} 3936}
2970 3937
2971my $_log_backtrace; 3938my $_log_backtrace;
2972 3939
2973sub _log_backtrace { 3940sub _log_backtrace {
… …
2976 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
2977 3944
2978 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
2981 async { 3949 async {
3950 $Coro::current->{desc} = "abt $msg";
3951
2982 my @bt = fork_call { 3952 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3954 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3955 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986 or die "addr2line: $!"; 3956 or die "addr2line: $!";
… …
2994 } 3964 }
2995 3965
2996 @funcs 3966 @funcs
2997 }; 3967 };
2998 3968
2999 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3001 --$_log_backtrace; 3972 --$_log_backtrace;
3002 }; 3973 };
3003 } else { 3974 } else {
3004 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3005 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3006 } 3977 }
3007} 3978}
3008 3979
3009# load additional modules 3980# load additional modules
3010use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3011 3982
3012END { cf::emergency_save } 3983END { cf::emergency_save }
3013 3984
30141 39851
3015 3986

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