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Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.5 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
20use BDB (); 56use BDB ();
21use Data::Dumper; 57use Data::Dumper;
22use Digest::MD5;
23use Fcntl; 58use Fcntl;
24use IO::AIO 2.32 ();
25use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
26use Time::HiRes; 61use Time::HiRes;
27use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
28 64
65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 77
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32 80
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 82
40our %COMMAND = (); 83our %COMMAND = ();
41our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
42 85
43our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
47 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
48our @EVENT; 93our @EVENT;
49our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
50 96
51our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
52our $TICK_WATCHER; 98our $DATADIR = datadir;
53our $AIO_POLL_WATCHER; 99our $LIBDIR = "$DATADIR/ext";
54our $WRITE_RUNTIME_WATCHER; 100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 115our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
58 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
61 124
62our %CFG; 125our %CFG;
63 126
64our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 128our $RUNTIME;
129our $NOW;
66 130
67our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 134
76# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 137
138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
79binmode STDOUT; 148binmode STDOUT;
80binmode STDERR; 149binmode STDERR;
81 150
82# read virtual server time, if available 151# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
84 open my $fh, "<", cf::localdir . "/runtime" 153 open my $fh, "<", $RUNTIMEFILE
85 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
86 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
87} 156}
88 157
89mkdir cf::localdir; 158eval "sub TICK() { $TICK } 1" or die;
90mkdir cf::localdir . "/" . cf::playerdir; 159
91mkdir cf::localdir . "/" . cf::tmpdir; 160mkdir $_
92mkdir cf::localdir . "/" . cf::uniquedir; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 162
96our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
97 164
98sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99 177
100############################################################################# 178#############################################################################
101 179
102=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
103 181
… …
110=item $cf::RUNTIME 188=item $cf::RUNTIME
111 189
112The time this server has run, starts at 0 and is increased by $cf::TICK on 190The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 191every server tick.
114 192
115=item $cf::LIBDIR 193=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
194$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
195$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 196
117The perl library directory, where extensions and cf-specific modules can 197Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 198directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
199unique-items directory, player file directory, random maps directory and
200database environment.
119 201
120=item $cf::NOW 202=item $cf::NOW
121 203
122The time of the last (current) server tick. 204The time of the last (current) server tick.
123 205
124=item $cf::TICK 206=item $cf::TICK
125 207
126The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
127 209
210=item $cf::LOADAVG
211
212The current CPU load on the server (alpha-smoothed), as a value between 0
213(none) and 1 (overloaded), indicating how much time is spent on processing
214objects per tick. Healthy values are < 0.5.
215
216=item $cf::LOAD
217
218The raw value load value from the last tick.
219
128=item %cf::CFG 220=item %cf::CFG
129 221
130Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 223from wherever your confdir points to.
132 224
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 225=item cf::wait_for_tick, cf::wait_for_tick_begin
134 226
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 228returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
139 242
140=back 243=back
141 244
142=cut 245=cut
143 246
144BEGIN { 247$Coro::State::WARNHOOK = sub {
145 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 248 my $msg = join "", @_;
147 utf8::encode $msg;
148 249
149 $msg .= "\n" 250 $msg .= "\n"
150 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
151 252
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254
152 LOG llevError, $msg; 255 LOG llevError, $msg;
153 }; 256};
154} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
155 271
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 276@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
277@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 278@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 279
163# we bless all objects into (empty) derived classes to force a method lookup 280# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 281# within the Safe compartment.
165for my $pkg (qw( 282for my $pkg (qw(
166 cf::global cf::attachable 283 cf::global cf::attachable
167 cf::object cf::object::player 284 cf::object cf::object::player
168 cf::client cf::player 285 cf::client cf::player
169 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
170 cf::map cf::party cf::region 288 cf::party cf::region
171)) { 289)) {
172 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 291}
175 292
176$Event::DIED = sub { 293$EV::DIED = sub {
177 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
178}; 295};
296
297#############################################################################
179 298
180=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
181 300
182=over 4 301=over 4
183 302
… …
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 322 $d
204 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
205} 324}
206 325
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
210 327
211Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
212 329
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
221 331
222Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
223 333
224=cut 334=cut
225 335
226sub to_json($) { 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 337
228 JSON::Syck::Dump $_[0] 338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
229} 353}
230 354
231=item cf::lock_wait $string 355=item cf::lock_wait $string
232 356
233Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
234 358
235=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
236 360
237Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
240returned. 364returned.
241 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
242Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
244 371
245=cut 372=item $locked = cf::lock_active $string
246 373
247our %LOCK; 374Return true if the lock is currently active, i.e. somebody has locked it.
375
376=cut
377
378our $LOCKS = new Coro::SemaphoreSet;
248 379
249sub lock_wait($) { 380sub lock_wait($) {
250 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
251
252 # wait for lock, if any
253 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule;
256 }
257} 382}
258 383
259sub lock_acquire($) { 384sub lock_acquire($) {
260 my ($key) = @_; 385 $LOCKS->guard ($_[0])
386}
261 387
262 # wait, to be sure we are not locked 388sub lock_active($) {
263 lock_wait $key; 389 $LOCKS->count ($_[0]) < 1
264
265 $LOCK{$key} = [];
266
267 Coro::guard {
268 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} };
270 }
271} 390}
272 391
273sub freeze_mainloop { 392sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
275 394
276 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
277 $TICK_WATCHER->start; 396}
278 $WRITE_RUNTIME_WATCHER->start; 397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
279 }; 462 }
280 $WRITE_RUNTIME_WATCHER->stop; 463};
281 $TICK_WATCHER->stop; 464
282 $guard 465sub get_slot($;$$) {
466 return if tick_inhibit || $Coro::current == $Coro::main;
467
468 my ($time, $pri, $name) = @_;
469
470 $time = clamp $time, 0.01, $TICK * .6;
471
472 my $sig = new Coro::Signal;
473
474 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
475 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
476 $SLOT_QUEUE->ready;
477 $sig->wait;
283} 478}
284 479
285=item cf::async { BLOCK } 480=item cf::async { BLOCK }
286 481
287Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
292 487
293BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
294 489
295=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
296 491
297The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
300 496
301If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
304fast or be very important. 500fast or be very important.
… …
307 503
308sub sync_job(&) { 504sub sync_job(&) {
309 my ($job) = @_; 505 my ($job) = @_;
310 506
311 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
508 my $time = AE::time;
509
312 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
314 512
315 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
316 # (but this is cancel-safe) 514
317 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
318 516
319 my $busy = 1; 517 my $busy = 1;
320 my @res; 518 my @res;
321 519
322 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 522 @res = eval { $job->() };
324 warn $@ if $@; 523 warn $@ if $@;
325 undef $busy; 524 undef $busy;
326 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
327 526
328 while ($busy) { 527 while ($busy) {
329 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
330 } 532 }
533 }
534
535 my $time = AE::time - $time;
536
537 $TICK_START += $time; # do not account sync jobs to server load
331 538
332 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
333 } else { 540 } else {
334 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
335 542
… …
355 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
356 563
357 $coro 564 $coro
358} 565}
359 566
360sub write_runtime { 567=item fork_call { }, $args
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362 568
363 my $runtime = cf::localdir . "/runtime"; 569Executes the given code block with the given arguments in a seperate
570process, returning the results. Everything must be serialisable with
571Coro::Storable. May, of course, block. Note that the executed sub may
572never block itself or use any form of event handling.
364 573
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 574=cut
366 or return;
367 575
368 my $value = $cf::RUNTIME + 90 + 10; 576sub fork_call(&@) {
369 # 10 is the runtime save interval, for a monotonic clock 577 my ($cb, @args) = @_;
370 # 60 allows for the watchdog to kill the server.
371 578
372 (aio_write $fh, 0, (length $value), $value, 0) <= 0 579 # we seemingly have to make a local copy of the whole thing,
373 and return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
374 582
375 # always fsync - this file is important 583 my @res = Coro::Util::fork_eval {
376 aio_fsync $fh 584 reset_signals;
377 and return; 585 &$cb
586 }, @args;
378 587
379 close $fh 588 wantarray ? @res : $res[-1]
380 or return; 589}
381 590
382 aio_rename "$runtime~", $runtime 591=item $coin = coin_from_name $name
383 and return;
384 592
593=cut
594
595our %coin_alias = (
596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
611
612sub coin_from_name($) {
613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
617
618=item $value = cf::db_get $family => $key
619
620Returns a single value from the environment database.
621
622=item cf::db_put $family => $key => $value
623
624Stores the given C<$value> in the family. It can currently store binary
625data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
626
627=item $db = cf::db_table "name"
628
629Create and/or open a new database table. The string must not be "db" and must be unique
630within each server.
631
632=cut
633
634sub db_table($) {
635 my ($name) = @_;
636 my $db = BDB::db_create $DB_ENV;
637
638 eval {
639 $db->set_flags (BDB::CHKSUM);
640
641 utf8::encode $name;
642 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
643 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
644 cf::cleanup "db_open(db): $!" if $!;
645 };
646 cf::cleanup "db_open(db): $@" if $@;
647
648 $db
649}
650
651our $DB;
652
653sub db_init {
654 cf::sync_job {
655 $DB ||= db_table "db";
656 };
657}
658
659sub db_get($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
385 1 667 }
668}
669
670sub db_put($$$) {
671 BDB::dbreq_pri 4;
672 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
673}
674
675=item cf::cache $id => [$paths...], $processversion => $process
676
677Generic caching function that returns the value of the resource $id,
678caching and regenerating as required.
679
680This function can block.
681
682=cut
683
684sub cache {
685 my ($id, $src, $processversion, $process) = @_;
686
687 my $meta =
688 join "\x00",
689 $processversion,
690 map {
691 aio_stat $_
692 and Carp::croak "$_: $!";
693
694 ($_, (stat _)[7,9])
695 } @$src;
696
697 my $dbmeta = db_get cache => "$id/meta";
698 if ($dbmeta ne $meta) {
699 # changed, we may need to process
700
701 my @data;
702 my $md5;
703
704 for (0 .. $#$src) {
705 0 <= aio_load $src->[$_], $data[$_]
706 or Carp::croak "$src->[$_]: $!";
707 }
708
709 # if processing is expensive, check
710 # checksum first
711 if (1) {
712 $md5 =
713 join "\x00",
714 $processversion,
715 map {
716 cf::cede_to_tick;
717 ($src->[$_], Digest::MD5::md5_hex $data[$_])
718 } 0.. $#$src;
719
720
721 my $dbmd5 = db_get cache => "$id/md5";
722 if ($dbmd5 eq $md5) {
723 db_put cache => "$id/meta", $meta;
724
725 return db_get cache => "$id/data";
726 }
727 }
728
729 my $t1 = Time::HiRes::time;
730 my $data = $process->(\@data);
731 my $t2 = Time::HiRes::time;
732
733 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
734
735 db_put cache => "$id/data", $data;
736 db_put cache => "$id/md5" , $md5;
737 db_put cache => "$id/meta", $meta;
738
739 return $data;
740 }
741
742 db_get cache => "$id/data"
743}
744
745=item cf::datalog type => key => value, ...
746
747Log a datalog packet of the given type with the given key-value pairs.
748
749=cut
750
751sub datalog($@) {
752 my ($type, %kv) = @_;
753 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386} 754}
387 755
388=back 756=back
389 757
390=cut 758=cut
391 759
392############################################################################# 760#############################################################################
393 761
394=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
395 763
396Many objects in crossfire are so-called attachable objects. That means you can 764Many objects in deliantra are so-called attachable objects. That means you can
397attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
398to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
399 767
400In the following description, CLASS can be any of C<global>, C<object> 768In the following description, CLASS can be any of C<global>, C<object>
401C<player>, C<client> or C<map> (i.e. the attachable objects in 769C<player>, C<client> or C<map> (i.e. the attachable objects in
402crossfire+). 770Deliantra).
403 771
404=over 4 772=over 4
405 773
406=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
407 775
… …
451=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
452 820
453Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
454given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
455 823
456Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
457that are attached at load/instantiate time, thus the need for a name. 825that are attached at load/instantiate time, thus the need for a name.
458 826
459These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
460 828
461=over 4 829=over 4
… …
570 $registry = $CB_TYPE[$object_type] ||= []; 938 $registry = $CB_TYPE[$object_type] ||= [];
571 939
572 } elsif ($type eq "subtype") { 940 } elsif ($type eq "subtype") {
573 defined $object_type or Carp::croak "subtype specified without type"; 941 defined $object_type or Carp::croak "subtype specified without type";
574 my $object_subtype = shift @arg; 942 my $object_subtype = shift @arg;
575 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 943 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576 944
577 } elsif ($type eq "package") { 945 } elsif ($type eq "package") {
578 my $pkg = shift @arg; 946 my $pkg = shift @arg;
579 947
580 while (my ($name, $id) = each %cb_id) { 948 while (my ($name, $id) = each %cb_id) {
… …
609 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
610 } 978 }
611 979
612 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
613 } else { 981 } else {
614 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
615 } 983 }
616 984
617 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
618} 986}
619 987
… …
621 if (ref $_[0]) { 989 if (ref $_[0]) {
622 _object_attach @_; 990 _object_attach @_;
623 } else { 991 } else {
624 _attach shift->_attach_registry, @_; 992 _attach shift->_attach_registry, @_;
625 } 993 }
994 _recalc_want;
626}; 995};
627 996
628# all those should be optimised 997# all those should be optimised
629sub cf::attachable::detach { 998sub cf::attachable::detach {
630 my ($obj, $name) = @_; 999 my ($obj, $name) = @_;
… …
633 delete $obj->{_attachment}{$name}; 1002 delete $obj->{_attachment}{$name};
634 reattach ($obj); 1003 reattach ($obj);
635 } else { 1004 } else {
636 Carp::croak "cannot, currently, detach class attachments"; 1005 Carp::croak "cannot, currently, detach class attachments";
637 } 1006 }
1007 _recalc_want;
638}; 1008};
639 1009
640sub cf::attachable::attached { 1010sub cf::attachable::attached {
641 my ($obj, $name) = @_; 1011 my ($obj, $name) = @_;
642 1012
… …
657 "; 1027 ";
658 die if $@; 1028 die if $@;
659} 1029}
660 1030
661our $override; 1031our $override;
662our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1032our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663 1033
664sub override { 1034sub override {
665 $override = 1; 1035 $override = 1;
666 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
667} 1037}
668 1038
669sub do_invoke { 1039sub do_invoke {
670 my $event = shift; 1040 my $event = shift;
671 my $callbacks = shift; 1041 my $callbacks = shift;
672 1042
673 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
674 1044
675 local $override; 1045 local $override;
676 1046
677 for (@$callbacks) { 1047 for (@$callbacks) {
678 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
687 } 1057 }
688 1058
689 0 1059 0
690} 1060}
691 1061
692=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693 1063
694=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695 1065
696Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
697 1067
698This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1068This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699removed in future versions), and there is no public API to access override 1069removed in future versions), and there is no public API to access override
700results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701 1071
702=back 1072=back
703 1073
704=cut 1074=cut
705 1075
706############################################################################# 1076#############################################################################
707# object support 1077# object support
1078
1079sub _object_equal($$);
1080sub _object_equal($$) {
1081 my ($a, $b) = @_;
1082
1083 return 0 unless (ref $a) eq (ref $b);
1084
1085 if ("HASH" eq ref $a) {
1086 my @ka = keys %$a;
1087 my @kb = keys %$b;
1088
1089 return 0 if @ka != @kb;
1090
1091 for (0 .. $#ka) {
1092 return 0 unless $ka[$_] eq $kb[$_];
1093 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1094 }
1095
1096 } elsif ("ARRAY" eq ref $a) {
1097
1098 return 0 if @$a != @$b;
1099
1100 for (0 .. $#$a) {
1101 return 0 unless _object_equal $a->[$_], $b->[$_];
1102 }
1103
1104 } elsif ($a ne $b) {
1105 return 0;
1106 }
1107
1108 1
1109}
1110
1111our $SLOW_MERGES;#d#
1112sub _can_merge {
1113 my ($ob1, $ob2) = @_;
1114
1115 ++$SLOW_MERGES;#d#
1116
1117 # we do the slow way here
1118 return _object_equal $ob1, $ob2
1119}
708 1120
709sub reattach { 1121sub reattach {
710 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
711 my ($obj) = @_; 1123 my ($obj) = @_;
712 1124
1125 # no longer needed after getting rid of delete_package?
713 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
714 1127
715 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
716 1129
717 @$registry = (); 1130 @$registry = ();
718 1131
… …
733cf::attachable->attach ( 1146cf::attachable->attach (
734 prio => -1000000, 1147 prio => -1000000,
735 on_instantiate => sub { 1148 on_instantiate => sub {
736 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
737 1150
738 $data = from_json $data; 1151 $data = decode_json $data;
739 1152
740 for (@$data) { 1153 for (@$data) {
741 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
742 1155
743 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
759sub object_freezer_save { 1172sub object_freezer_save {
760 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
761 1174
762 sync_job { 1175 sync_job {
763 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
764 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
765 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
766 1180
767 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
769 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 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;
1186 aio_fsync $fh;
1187 }
771 close $fh; 1188 aio_close $fh;
772 1189
773 if (@$objs) { 1190 if (@$objs) {
774 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1191 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
776 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
778 aio_fsync $fh if $cf::USE_FSYNC; 1195 if ($cf::USE_FSYNC) {
1196 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;
1197 aio_fsync $fh;
1198 }
779 close $fh; 1199 aio_close $fh;
780 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
781 } 1201 }
782 } else { 1202 } else {
783 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
784 } 1204 }
785 1205
786 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
787 } else { 1210 } else {
788 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
789 } 1212 }
790 } else { 1213 } else {
791 aio_unlink $filename; 1214 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
793 } 1216 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 1217 };
801} 1218}
802 1219
803sub object_freezer_as_string { 1220sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
805 1222
… …
810 1227
811sub object_thawer_load { 1228sub object_thawer_load {
812 my ($filename) = @_; 1229 my ($filename) = @_;
813 1230
814 my ($data, $av); 1231 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 1232
819 (aio_load $filename, $data) >= 0 1233 (aio_load $filename, $data) >= 0
820 or return; 1234 or return;
821 1235
822 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
823 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
824 or return; 1238 or return;
1239
825 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
826 } 1242 }
827 1243
1244 utf8::decode (my $decname = $filename);
828 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
829 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
830 return ($data, $av); 1248 ($data, $av)
831} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
832 1256
833############################################################################# 1257#############################################################################
834# command handling &c 1258# command handling &c
835 1259
836=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
849 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
850} 1274}
851 1275
852=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
853 1277
854Register a callbackf ro execution when the client sends an extcmd packet. 1278Register a callback for execution when the client sends an (synchronous)
1279extcmd packet. Ext commands will be processed in the order they are
1280received by the server, like other user commands. The first argument is
1281the logged-in player. Ext commands can only be processed after a player
1282has logged in successfully.
855 1283
856If the callback returns something, it is sent back as if reply was being 1284If the callback returns something, it is sent back as if reply was being
857called. 1285called.
858 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
859=cut 1298=cut
860 1299
861sub register_extcmd { 1300sub register_extcmd {
862 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
863 1302
864 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
865} 1304}
866 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
867cf::player->attach ( 1314cf::player->attach (
868 on_command => sub { 1315 on_unknown_command => sub {
869 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
870 1317
871 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
872 or return; 1319 or return;
873 1320
… …
878 cf::override; 1325 cf::override;
879 }, 1326 },
880 on_extcmd => sub { 1327 on_extcmd => sub {
881 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
882 1329
883 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884 1331
885 if (ref $msg) { 1332 if (ref $msg) {
1333 my ($type, $reply, @payload) =
1334 "ARRAY" eq ref $msg
1335 ? @$msg
1336 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1337
1338 my @reply;
1339
886 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
887 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
888 $pl->ext_reply ($msg->{msgid}, %reply);
889 }
890 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
891 } else { 1347 } else {
892 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893 } 1349 }
894 1350
895 cf::override; 1351 cf::override;
896 }, 1352 },
897); 1353);
898 1354
1355# "readahead" all extensions
899sub load_extension { 1356sub cache_extensions {
900 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
901 1358
902 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
904 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905 $pkg =~ s/[^[:word:]]/_/g;
906 $pkg = "ext::$pkg";
907
908 warn "... loading '$path' into '$pkg'\n";
909
910 open my $fh, "<:utf8", $path
911 or die "$path: $!";
912
913 my $source =
914 "package $pkg; use strict; use utf8;\n"
915 . "#line 1 \"$path\"\n{\n"
916 . (do { local $/; <$fh> })
917 . "\n};\n1";
918
919 unless (eval $source) {
920 my $msg = $@ ? "$path: $@\n"
921 : "extension disabled.\n";
922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923 warn $@;
924 warn "mandatory extension failed to load, exiting.\n";
925 exit 1;
926 } 1362 }
927 die $@;
928 } 1363 };
929 1364
930 push @EXTS, $pkg; 1365 $grp
931} 1366}
932 1367
933sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
934 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
935 next unless -r $ext; 1373 next unless -r $path;
936 eval { 1374
937 load_extension $ext; 1375 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1376 my $base = $1;
1377 my $pkg = $1;
1378 $pkg =~ s/[^[:word:]]/_/g;
1379 $pkg = "ext::$pkg";
1380
1381 open my $fh, "<:utf8", $path
1382 or die "$path: $!";
1383
1384 my $source = do { local $/; <$fh> };
1385
1386 my %ext = (
1387 path => $path,
1388 base => $base,
1389 pkg => $pkg,
1390 );
1391
1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1394
1395 $ext{source} =
1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1397 . "#line 1 \"$path\"\n{\n"
1398 . $source
1399 . "\n};\n1";
1400
1401 $todo{$base} = \%ext;
1402 }
1403
1404 my $pass = 0;
1405 my %done;
1406 while (%todo) {
1407 my $progress;
1408
1409 ++$pass;
1410
1411 ext:
1412 while (my ($k, $v) = each %todo) {
1413 for (split /,\s*/, $v->{meta}{depends}) {
1414 next ext
1415 unless exists $done{$_};
1416 }
1417
1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1419
1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
1423 warn "$v->{path}: $@\n";
1424
1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1426 if exists $v->{meta}{mandatory};
1427 } else {
1428 $done{$k} = delete $todo{$k};
1429 push @EXTS, $v->{pkg};
1430 $progress = 1;
1431
1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1434 }
938 1 1435 }
939 } or warn "$ext not loaded: $@"; 1436
1437 unless ($progress) {
1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1445 }
940 } 1446 };
941} 1447}
942 1448
943############################################################################# 1449#############################################################################
944 1450
1451=back
1452
945=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
946 1454
947Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
948 1456
949=cut 1457=cut
950 1458
951package cf::player; 1459package cf::player;
952 1460
… …
954 1462
955=head3 cf::player 1463=head3 cf::player
956 1464
957=over 4 1465=over 4
958 1466
1467=item cf::player::num_playing
1468
1469Returns the official number of playing players, as per the Crossfire metaserver rules.
1470
1471=cut
1472
1473sub num_playing {
1474 scalar grep
1475 $_->ob->map
1476 && !$_->hidden
1477 && !$_->ob->flag (cf::FLAG_WIZ),
1478 cf::player::list
1479}
1480
959=item cf::player::find $login 1481=item cf::player::find $login
960 1482
961Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
962 1484
963=cut 1485=cut
964 1486
965sub playerdir($) { 1487sub playerdir($) {
966 cf::localdir 1488 "$PLAYERDIR/"
967 . "/"
968 . cf::playerdir
969 . "/"
970 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1489 . (ref $_[0] ? $_[0]->ob->name : $_[0])
971} 1490}
972 1491
973sub path($) { 1492sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1493 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 1494
976 (playerdir $login) . "/$login.pl" 1495 (playerdir $login) . "/playerdata"
977} 1496}
978 1497
979sub find_active($) { 1498sub find_active($) {
980 $cf::PLAYER{$_[0]} 1499 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 1500 and $cf::PLAYER{$_[0]}->active
… …
984 1503
985sub exists($) { 1504sub exists($) {
986 my ($login) = @_; 1505 my ($login) = @_;
987 1506
988 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
989 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
990} 1509}
991 1510
992sub find($) { 1511sub find($) {
993 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
994 my $login = $_[0]; 1513 my $login = $_[0];
995 1514
996 my $guard = cf::lock_acquire "user_find:$login"; 1515 my $guard = cf::lock_acquire "user_find:$login";
997 1516
998 $cf::PLAYER{$_[0]} || do { 1517 $cf::PLAYER{$_[0]} || do {
999 my $pl = load_pl path $login 1518 # rename old playerfiles to new ones
1519 #TODO: remove when no longer required
1520 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1521 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1522 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1523 aio_unlink +(playerdir $login) . "/$login.pl";
1524
1525 my $f = new_from_file cf::object::thawer path $login
1000 or return; 1526 or return;
1527
1528 my $pl = cf::player::load_pl $f
1529 or return;
1530
1531 local $cf::PLAYER_LOADING{$login} = $pl;
1532 $f->resolve_delayed_derefs;
1001 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1002 } 1534 }
1003 } 1535 }
1004} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($pl, $path) = @_;
1541
1542 # restore slots saved in save, below
1543 my $slots = delete $pl->{_slots};
1544
1545 $pl->ob->current_weapon ($slots->[0]);
1546 $pl->combat_ob ($slots->[1]);
1547 $pl->ranged_ob ($slots->[2]);
1548 },
1549);
1005 1550
1006sub save($) { 1551sub save($) {
1007 my ($pl) = @_; 1552 my ($pl) = @_;
1008 1553
1009 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
1014 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
1015 1560
1016 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
1017 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
1018 1563
1564 cf::get_slot 0.01;
1565
1566 # save slots, to be restored later
1567 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1568
1019 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1020 Coro::cede; 1570 cf::cede_to_tick;
1021} 1571}
1022 1572
1023sub new($) { 1573sub new($) {
1024 my ($login) = @_; 1574 my ($login) = @_;
1025 1575
… …
1031 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1032 1582
1033 $self 1583 $self
1034} 1584}
1035 1585
1586=item $player->send_msg ($channel, $msg, $color, [extra...])
1587
1588=cut
1589
1590sub send_msg {
1591 my $ns = shift->ns
1592 or return;
1593 $ns->send_msg (@_);
1594}
1595
1036=item $pl->quit_character 1596=item $pl->quit_character
1037 1597
1038Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1039be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1040 1600
1041=cut 1601=cut
1042 1602
1043sub quit_character { 1603sub quit_character {
1044 my ($pl) = @_; 1604 my ($pl) = @_;
1045 1605
1606 my $name = $pl->ob->name;
1607
1046 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1047 $pl->password ("*"); # this should lock out the player until we nuked the dir 1609 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1048 1610
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1051 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1052 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1053 1617
1054 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1620 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1621 delete $cf::PLAYER{$pl->ob->name};
1058 $pl->destroy; 1622 $pl->destroy;
1623
1624 my $prefix = qr<^~\Q$name\E/>;
1625
1626 # nuke player maps
1627 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1628
1059 IO::AIO::aio_rmtree $temp; 1629 IO::AIO::aio_rmtree $temp;
1630}
1631
1632=item $pl->kick
1633
1634Kicks a player out of the game. This destroys the connection.
1635
1636=cut
1637
1638sub kick {
1639 my ($pl, $kicker) = @_;
1640
1641 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1642 $pl->killer ("kicked");
1643 $pl->ns->destroy;
1060} 1644}
1061 1645
1062=item cf::player::list_logins 1646=item cf::player::list_logins
1063 1647
1064Returns am arrayref of all valid playernames in the system, can take a 1648Returns am arrayref of all valid playernames in the system, can take a
1065while and may block, so not sync_job-capable, ever. 1649while and may block, so not sync_job-capable, ever.
1066 1650
1067=cut 1651=cut
1068 1652
1069sub list_logins { 1653sub list_logins {
1070 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1654 my $dirs = aio_readdir $PLAYERDIR
1071 or return []; 1655 or return [];
1072 1656
1073 my @logins; 1657 my @logins;
1074 1658
1075 for my $login (@$dirs) { 1659 for my $login (@$dirs) {
1660 my $path = path $login;
1661
1662 # a .pst is a dead give-away for a valid player
1663 # if no pst file found, open and chekc for blocked users
1664 if (aio_stat "$path.pst") {
1076 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1078 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1079 1669
1080 utf8::decode $login; 1670 utf8::decode $login;
1081 push @logins, $login; 1671 push @logins, $login;
1082 } 1672 }
1083 1673
… …
1110 } 1700 }
1111 1701
1112 \@paths 1702 \@paths
1113} 1703}
1114 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1116 1710
1117Sends an ext reply to the player. 1711Sends an ext reply to the player.
1118 1712
1119=cut 1713=cut
1120 1714
1121sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1122 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1123 1717
1124 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1125
1126 $self->send ("ext " . cf::to_json \%msg);
1127} 1719}
1128 1720
1129package cf; 1721=item $player->ext_msg ($type, @msg)
1722
1723Sends an ext event to the client.
1724
1725=cut
1726
1727sub ext_msg($$@) {
1728 my ($self, $type, @msg) = @_;
1729
1730 $self->ns->ext_msg ($type, @msg);
1731}
1732
1733=head3 cf::region
1734
1735=over 4
1736
1737=cut
1738
1739package cf::region;
1740
1741=item cf::region::find_by_path $path
1742
1743Tries to decuce the likely region for a map knowing only its path.
1744
1745=cut
1746
1747sub find_by_path($) {
1748 my ($path) = @_;
1749
1750 my ($match, $specificity);
1751
1752 for my $region (list) {
1753 if ($region->{match} && $path =~ $region->{match}) {
1754 ($match, $specificity) = ($region, $region->specificity)
1755 if $region->specificity > $specificity;
1756 }
1757 }
1758
1759 $match
1760}
1130 1761
1131=back 1762=back
1132
1133 1763
1134=head3 cf::map 1764=head3 cf::map
1135 1765
1136=over 4 1766=over 4
1137 1767
… …
1149our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1150our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1151 1781
1152sub generate_random_map { 1782sub generate_random_map {
1153 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1154 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1155 $self->_create_random_map ( 1788 $self->_create_random_map (
1156 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1158 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1159 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1160 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1161 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1162 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1192 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1193 1826
1194 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1195 local $self->{path}; 1828 local $self->{path};
1196 local $self->{load_path}; 1829 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199 1830
1200 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1201} 1832}
1202 1833
1203sub normalise { 1834sub normalise {
… …
1250 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1251 return $self; 1882 return $self;
1252 } 1883 }
1253 } 1884 }
1254 1885
1255 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1256 () 1887 ()
1257} 1888}
1258 1889
1259sub init { 1890sub init {
1260 my ($self) = @_; 1891 my ($self) = @_;
… …
1275 1906
1276# the original (read-only) location 1907# the original (read-only) location
1277sub load_path { 1908sub load_path {
1278 my ($self) = @_; 1909 my ($self) = @_;
1279 1910
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1911 "$MAPDIR/$self->{path}.map"
1281} 1912}
1282 1913
1283# the temporary/swap location 1914# the temporary/swap location
1284sub save_path { 1915sub save_path {
1285 my ($self) = @_; 1916 my ($self) = @_;
1286 1917
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1919 "$TMPDIR/$path.map"
1289} 1920}
1290 1921
1291# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1292sub uniq_path { 1923sub uniq_path {
1293 my ($self) = @_; 1924 my ($self) = @_;
1294 1925
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1927 "$UNIQUEDIR/$path"
1297} 1928}
1298 1929
1299# and all this just because we cannot iterate over 1930sub decay_objects {
1300# all maps in C++...
1301sub change_all_map_light {
1302 my ($change) = @_; 1931 my ($self) = @_;
1303 1932
1304 $_->change_map_light ($change) 1933 return if $self->{deny_reset};
1305 for grep $_->outdoor, values %cf::MAP; 1934
1935 $self->do_decay_objects;
1306} 1936}
1307 1937
1308sub unlink_save { 1938sub unlink_save {
1309 my ($self) = @_; 1939 my ($self) = @_;
1310 1940
1311 utf8::encode (my $save = $self->save_path); 1941 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1942 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1943 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1944}
1320 1945
1321sub load_header_from($) { 1946sub load_header_from($) {
1322 my ($self, $path) = @_; 1947 my ($self, $path) = @_;
1323 1948
1324 utf8::encode $path; 1949 utf8::encode $path;
1325 #aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1326 # or return;
1327
1328 $self->_load_header ($path)
1329 or return; 1951 or return;
1952
1953 $self->_load_header ($f)
1954 or return;
1955
1956 local $MAP_LOADING{$self->{path}} = $self;
1957 $f->resolve_delayed_derefs;
1330 1958
1331 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1332 1960
1333 1 1961 1
1334} 1962}
… …
1373 $self->load_header_orig 2001 $self->load_header_orig
1374 or return; 2002 or return;
1375 $self->prepare_orig; 2003 $self->prepare_orig;
1376 } 2004 }
1377 2005
2006 $self->{deny_reset} = 1
2007 if $self->no_reset;
2008
2009 $self->default_region (cf::region::find_by_path $self->{path})
2010 unless $self->default_region;
2011
1378 1 2012 1
1379} 2013}
1380 2014
1381sub find; 2015sub find;
1382sub find { 2016sub find {
1383 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1384 2018
1385 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1386 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1388 2023
1389 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1390 my $guard = cf::lock_acquire "map_find:$path";
1391 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1392 or return; 2026 or return;
1393 2027
1394 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1395 2029
1396 $map->load_header 2030 $map->load_header
1397 or return; 2031 or return;
1398 2032
1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously 2034 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1402 $map->reset; 2038 $map->reset;
1403 undef $guard;
1404 return find $path; 2039 return find $path;
1405 } 2040 }
1406 2041
1407 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1408 } 2043 }
1409} 2044}
1410 2045
1411sub pre_load { } 2046sub pre_load { }
1412sub post_load { } 2047#sub post_load { } # XS
1413 2048
1414sub load { 2049sub load {
1415 my ($self) = @_; 2050 my ($self) = @_;
1416 2051
1417 local $self->{deny_reset} = 1; # loading can take a long time 2052 local $self->{deny_reset} = 1; # loading can take a long time
1418 2053
1419 my $path = $self->{path}; 2054 my $path = $self->{path};
2055
2056 {
1420 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1421 2058
2059 return unless $self->valid;
1422 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1423 2061
1424 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1425 2063
1426 $self->alloc; 2064 $self->alloc;
1427 2065
1428 $self->pre_load; 2066 $self->pre_load;
2067 cf::cede_to_tick;
1429 2068
1430 $self->_load_objects ($self->{load_path}, 1) 2069 my $f = new_from_file cf::object::thawer $self->{load_path};
2070 $f->skip_block;
2071 $self->_load_objects ($f)
1431 or return; 2072 or return;
1432 2073
1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1434 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1435 2076
1436 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1437 utf8::encode $uniq; 2078 utf8::encode $uniq;
1438 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1439 $self->clear_unique_items; 2081 $self->clear_unique_items;
1440 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1441 } 2085 }
1442 } 2086 }
1443 2087
1444 Coro::cede; 2088 $f->resolve_delayed_derefs;
1445 2089
2090 cf::cede_to_tick;
1446 # now do the right thing for maps 2091 # now do the right thing for maps
1447 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1448
1449 unless ($self->{deny_activate}) {
1450 $self->decay_objects;
1451 $self->fix_auto_apply;
1452 $self->update_buttons;
1453 Coro::cede;
1454 $self->set_darkness_map;
1455 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1456 unless $self->difficulty; 2094 unless $self->difficulty;
1457 Coro::cede; 2095 cf::cede_to_tick;
2096
2097 unless ($self->{deny_activate}) {
2098 $self->decay_objects;
2099 $self->fix_auto_apply;
2100 $self->update_buttons;
2101 cf::cede_to_tick;
1458 $self->activate; 2102 $self->activate;
2103 }
2104
2105 $self->{last_save} = $cf::RUNTIME;
2106 $self->last_access ($cf::RUNTIME);
2107
2108 $self->in_memory (cf::MAP_ACTIVE);
1459 } 2109 }
1460 2110
1461 $self->post_load; 2111 $self->post_load;
1462
1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464} 2112}
1465 2113
2114# customize the map for a given player, i.e.
2115# return the _real_ map. used by e.g. per-player
2116# maps to change the path to ~playername/mappath
1466sub customise_for { 2117sub customise_for {
1467 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1468 2119
1469 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player; 2121 if $self->per_player;
1471 2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
1472 $self 2126 $self
1473} 2127}
1474 2128
1475# find and load all maps in the 3x3 area around a map 2129# find and load all maps in the 3x3 area around a map
1476sub load_diag { 2130sub load_neighbours {
1477 my ($map) = @_; 2131 my ($map) = @_;
1478 2132
1479 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1480 2134
1481 for (0 .. 3) { 2135 for (0 .. 3) {
1482 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1483 or next; 2137 or next;
1484 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1485 or next; 2139 or next;
1486 $neigh->load; 2140 $neigh->load;
1487 2141
2142 push @neigh,
1488 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1489 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1490 } 2145 }
1491 2146
1492 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1493 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1494 or next; 2150 or next;
1495 $neigh->load; 2151 $neigh->load;
1496 } 2152 }
1497} 2153}
1498 2154
… …
1503} 2159}
1504 2160
1505sub do_load_sync { 2161sub do_load_sync {
1506 my ($map) = @_; 2162 my ($map) = @_;
1507 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1508 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1509} 2168}
1510 2169
1511our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1512our $MAP_PREFETCHER = undef; 2171our $MAP_PREFETCHER = undef;
1513 2172
1514sub find_async { 2173sub find_async {
1515 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1516 2175
1517 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1518 2177
1519 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1520 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521 } 2180 }
1522 2181
1523 undef $MAP_PREFETCH{$path}; 2182 $MAP_PREFETCH{$path} |= $load;
2183
1524 $MAP_PREFETCHER ||= cf::async { 2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
1525 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) { 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1527 my $map = find $path 2189 if (my $map = find $k) {
1528 or next;
1529 $map->load; 2190 $map->load if $v;
2191 }
1530 2192
1531 delete $MAP_PREFETCH{$path}; 2193 delete $MAP_PREFETCH{$k};
1532 } 2194 }
1533 } 2195 }
1534 undef $MAP_PREFETCHER; 2196 undef $MAP_PREFETCHER;
1535 }; 2197 };
1536 $MAP_PREFETCHER->prio (6); 2198 $MAP_PREFETCHER->prio (6);
… …
1539} 2201}
1540 2202
1541sub save { 2203sub save {
1542 my ($self) = @_; 2204 my ($self) = @_;
1543 2205
1544 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1545 2207
1546 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1547 2209
1548 return unless $self->dirty; 2210 return unless $self->dirty;
1549 2211
… …
1555 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1556 2218
1557 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1558 2220
1559 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1560 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1561 }; 2224 };
2225
2226 cf::get_slot 0.02;
1562 2227
1563 if ($uniq) { 2228 if ($uniq) {
1564 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1566 } else { 2231 } else {
… …
1572 my ($self) = @_; 2237 my ($self) = @_;
1573 2238
1574 # save first because save cedes 2239 # save first because save cedes
1575 $self->save; 2240 $self->save;
1576 2241
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2243
1579 return if $self->players; 2244 return if $self->players;
1580 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1581 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1582 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1583 $self->clear; 2252 $self->clear;
1584 $self->in_memory (cf::MAP_SWAPPED);
1585} 2253}
1586 2254
1587sub reset_at { 2255sub reset_at {
1588 my ($self) = @_; 2256 my ($self) = @_;
1589 2257
1590 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1592 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1593 2260
1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2262 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596 2263
… …
1607 my ($self) = @_; 2274 my ($self) = @_;
1608 2275
1609 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1610 2277
1611 return if $self->players; 2278 return if $self->players;
1612 return if $self->isa ("ext::map_per_player");#d#
1613 2279
1614 warn "resetting map ", $self->path;#d# 2280 warn "resetting map ", $self->path, "\n";
1615 2281
1616 $self->in_memory (cf::MAP_SWAPPED); 2282 $self->in_memory (cf::MAP_SWAPPED);
1617 2283
1618 # need to save uniques path 2284 # need to save uniques path
1619 unless ($self->{deny_save}) { 2285 unless ($self->{deny_save}) {
… …
1623 if $uniq; 2289 if $uniq;
1624 } 2290 }
1625 2291
1626 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1627 2293
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1628 $self->clear; 2296 $self->clear;
1629
1630 $_->clear_links_to ($self) for values %cf::MAP;
1631 2297
1632 $self->unlink_save; 2298 $self->unlink_save;
1633 $self->destroy; 2299 $self->destroy;
1634} 2300}
1635 2301
1636my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1637 2303
1638sub nuke { 2304sub nuke {
1639 my ($self) = @_; 2305 my ($self) = @_;
1640 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
1641 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1642 2311
1643 $self->unlink_save; 2312 $self->unlink_save;
1644 2313
1645 bless $self, "cf::map"; 2314 bless $self, "cf::map";
1646 delete $self->{deny_reset}; 2315 delete $self->{deny_reset};
1647 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1648 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1649 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650 2319
1651 $cf::MAP{$self->path} = $self; 2320 $cf::MAP{$self->path} = $self;
2321 }
1652 2322
1653 $self->reset; # polite request, might not happen 2323 $self->reset; # polite request, might not happen
2324}
2325
2326=item $maps = cf::map::tmp_maps
2327
2328Returns an arrayref with all map paths of currently instantiated and saved
2329maps. May block.
2330
2331=cut
2332
2333sub tmp_maps() {
2334 [
2335 map {
2336 utf8::decode $_;
2337 /\.map$/
2338 ? normalise $_
2339 : ()
2340 } @{ aio_readdir $TMPDIR or [] }
2341 ]
2342}
2343
2344=item $maps = cf::map::random_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347random maps. May block.
2348
2349=cut
2350
2351sub random_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise "?random/$_"
2357 : ()
2358 } @{ aio_readdir $RANDOMDIR or [] }
2359 ]
1654} 2360}
1655 2361
1656=item cf::map::unique_maps 2362=item cf::map::unique_maps
1657 2363
1658Returns an arrayref of paths of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1659instantiated unique items. May block. 2365instantiated unique items. May block.
1660 2366
1661=cut 2367=cut
1662 2368
1663sub unique_maps() { 2369sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2370 [
1665 or return; 2371 map {
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_; 2372 utf8::decode $_;
1671 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1672 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673 2375 ? ()
1674 push @paths, cf::map::normalise $_; 2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
1675 } 2378 ]
1676
1677 \@paths
1678} 2379}
1679 2380
1680package cf; 2381=item cf::map::static_maps
2382
2383Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2384file in the shared directory excluding F</styles> and F</editor>). May
2385block.
2386
2387=cut
2388
2389sub static_maps() {
2390 my @dirs = "";
2391 my @maps;
2392
2393 while (@dirs) {
2394 my $dir = shift @dirs;
2395
2396 next if $dir eq "/styles" || $dir eq "/editor";
2397
2398 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2399 or return;
2400
2401 for (@$files) {
2402 s/\.map$// or next;
2403 utf8::decode $_;
2404 push @maps, "$dir/$_";
2405 }
2406
2407 push @dirs, map "$dir/$_", @$dirs;
2408 }
2409
2410 \@maps
2411}
1681 2412
1682=back 2413=back
1683 2414
1684=head3 cf::object 2415=head3 cf::object
1685 2416
… …
1689 2420
1690=over 4 2421=over 4
1691 2422
1692=item $ob->inv_recursive 2423=item $ob->inv_recursive
1693 2424
1694Returns the inventory of the object _and_ their inventories, recursively. 2425Returns the inventory of the object I<and> their inventories, recursively,
2426but I<not> the object itself.
1695 2427
1696=cut 2428=cut
1697 2429
1698sub inv_recursive_; 2430sub inv_recursive_;
1699sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1702 2434
1703sub inv_recursive { 2435sub inv_recursive {
1704 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1705} 2437}
1706 2438
2439=item $ref = $ob->ref
2440
2441Creates and returns a persistent reference to an object that can be stored as a string.
2442
2443=item $ob = cf::object::deref ($refstring)
2444
2445returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2446even if the object actually exists. May block.
2447
2448=cut
2449
2450sub deref {
2451 my ($ref) = @_;
2452
2453 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2454 my ($uuid, $name) = ($1, $2);
2455 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2456 or return;
2457 $pl->ob->uuid eq $uuid
2458 or return;
2459
2460 $pl->ob
2461 } else {
2462 warn "$ref: cannot resolve object reference\n";
2463 undef
2464 }
2465}
2466
1707package cf; 2467package cf;
1708 2468
1709=back 2469=back
1710 2470
1711=head3 cf::object::player 2471=head3 cf::object::player
… …
1717Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2477Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718can be C<undef>. Does the right thing when the player is currently in a 2478can be C<undef>. Does the right thing when the player is currently in a
1719dialogue with the given NPC character. 2479dialogue with the given NPC character.
1720 2480
1721=cut 2481=cut
2482
2483our $SAY_CHANNEL = {
2484 id => "say",
2485 title => "Map",
2486 reply => "say ",
2487 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2488};
2489
2490our $CHAT_CHANNEL = {
2491 id => "chat",
2492 title => "Chat",
2493 reply => "chat ",
2494 tooltip => "Player chat and shouts, global to the server.",
2495};
1722 2496
1723# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1724# with dialog boxes. 2498# with dialog boxes.
1725#TODO: the first argument must go, split into a $npc->reply_to ( method 2499#TODO: the first argument must go, split into a $npc->reply_to ( method
1726sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1728 2502
1729 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730 2504
1731 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1732 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1733 } else { 2508 } else {
2509 my $pl = $self->contr;
2510
2511 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2512 my $dialog = $pl->{npc_dialog};
2513 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2514
2515 } else {
1734 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1735 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1736 } 2519 }
2520}
2521
2522=item $object->send_msg ($channel, $msg, $color, [extra...])
2523
2524=cut
2525
2526sub cf::object::send_msg {
2527 my $pl = shift->contr
2528 or return;
2529 $pl->send_msg (@_);
1737} 2530}
1738 2531
1739=item $player_object->may ("access") 2532=item $player_object->may ("access")
1740 2533
1741Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1754 2547
1755=item $player_object->enter_link 2548=item $player_object->enter_link
1756 2549
1757Freezes the player and moves him/her to a special map (C<{link}>). 2550Freezes the player and moves him/her to a special map (C<{link}>).
1758 2551
1759The player should be reasonably safe there for short amounts of time. You 2552The player should be reasonably safe there for short amounts of time (e.g.
1760I<MUST> call C<leave_link> as soon as possible, though. 2553for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2554though, as the palyer cannot control the character while it is on the link
2555map.
1761 2556
1762Will never block. 2557Will never block.
1763 2558
1764=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1765 2560
… …
1788 $self->deactivate_recursive; 2583 $self->deactivate_recursive;
1789 2584
1790 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2585 return if UNIVERSAL::isa $self->map, "ext::map_link";
1791 2586
1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2587 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793 if $self->map; 2588 if $self->map && $self->map->{path} ne "{link}";
1794 2589
1795 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2590 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1796} 2591}
1797 2592
1798sub cf::object::player::leave_link { 2593sub cf::object::player::leave_link {
1799 my ($self, $map, $x, $y) = @_; 2594 my ($self, $map, $x, $y) = @_;
2595
2596 return unless $self->contr->active;
1800 2597
1801 my $link_pos = delete $self->{_link_pos}; 2598 my $link_pos = delete $self->{_link_pos};
1802 2599
1803 unless ($map) { 2600 unless ($map) {
1804 # restore original map position 2601 # restore original map position
… …
1815 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1816 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1817 2614
1818 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1819 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1820 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1821 2618
1822 $map->load; 2619 $map->load;
1823 $map->load_diag; 2620 $map->load_neighbours;
1824 2621
1825 return unless $self->contr->active; 2622 return unless $self->contr->active;
2623
2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2625 $self->enter_map ($map, $x, $y);
2626
2627 # only activate afterwards, to support waiting in hooks
1826 $self->activate_recursive; 2628 $self->activate_recursive;
1827 $self->enter_map ($map, $x, $y);
1828} 2629}
1829 2630
1830cf::player->attach ( 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2632
1834 # abort map switching before logout 2633Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2634her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2635that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2636the new (success) or old (failed) map position. In either case, $done will
1838 }; 2637be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2638
1844 # try to abort aborted map switching on player login :) 2639Note that $check will be called with a potentially non-loaded map, so if
1845 # should happen only on crashes 2640it needs a loaded map it has to call C<< ->load >>.
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED);
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861 2641
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2642=cut
2643
2644our $GOTOGEN;
1865 2645
1866sub cf::object::player::goto { 2646sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2647 my ($self, $path, $x, $y, $check, $done) = @_;
2648
2649 # do generation counting so two concurrent goto's will be executed in-order
2650 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2651
1869 $self->enter_link; 2652 $self->enter_link;
1870 2653
1871 (async { 2654 (async {
2655 $Coro::current->{desc} = "player::goto $path $x $y";
2656
2657 # *tag paths override both path and x|y
2658 if ($path =~ /^\*(.*)$/) {
2659 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2660 my $ob = $obs[rand @obs];
2661
2662 # see if we actually can go there
2663 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2664 $ob = $obs[rand @obs];
2665 } else {
2666 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2667 }
2668 # else put us there anyways for now #d#
2669
2670 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2671 } else {
2672 ($path, $x, $y) = (undef, undef, undef);
2673 }
2674 }
2675
1872 my $map = eval { 2676 my $map = eval {
1873 my $map = cf::map::find $path; 2677 my $map = defined $path ? cf::map::find $path : undef;
2678
2679 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2680 $map = $map->customise_for ($self);
2681 $map = $check->($map) if $check && $map;
2682 } else {
2683 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2684 }
2685
1875 $map 2686 $map
2687 };
2688
2689 if ($@) {
2690 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2691 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2692 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2693
2694 if ($gen == $self->{_goto_generation}) {
2695 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2697 }
2698
2699 $done->() if $done;
1880 })->prio (1); 2700 })->prio (1);
1881} 2701}
1882 2702
1883=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1884 2704
… …
1904} 2724}
1905 2725
1906sub prepare_random_map { 2726sub prepare_random_map {
1907 my ($exit) = @_; 2727 my ($exit) = @_;
1908 2728
1909 my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911 # all this does is basically replace the /! path by 2729 # all this does is basically replace the /! path by
1912 # a new random map path (?random/...) with a seed 2730 # a new random map path (?random/...) with a seed
1913 # that depends on the exit object 2731 # that depends on the exit object
1914 2732
1915 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
… …
1917 if ($exit->map) { 2735 if ($exit->map) {
1918 $rmp->{region} = $exit->region->name; 2736 $rmp->{region} = $exit->region->name;
1919 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
1920 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
1921 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
1922 } 2742 }
1923 2743
1924 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
1925 2745
1926 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2748 my $meta = "$RANDOMDIR/$md5.meta";
1929 2749
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2752 undef $fh;
1933 aio_rename "$meta~", $meta; 2753 aio_rename "$meta~", $meta;
1934 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
1935 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
1936 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
1937 } 2761 }
1938} 2762}
1939 2763
1940sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
1941 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
1942 2766
1943 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
1944 2768
1945 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job
1947 cf::sync_job { prepare_random_map $exit };
1948 }
1949
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp;
1953
1954 $self->enter_link; 2769 $self->enter_link;
1955 2770
1956 (async { 2771 (async {
1957 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
1958 unless (eval { 2774 unless (eval {
2775 $self->deactivate_recursive; # just to be sure
2776
2777 # random map handling
2778 {
2779 my $guard = cf::lock_acquire "exit_prepare:$exit";
2780
2781 prepare_random_map $exit
2782 if $exit->slaying eq "/!";
2783 }
2784
2785 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2786 my $x = $exit->stats->hp;
2787 my $y = $exit->stats->sp;
2788
1959 $self->goto ($slaying, $hp, $sp); 2789 $self->goto ($map, $x, $y);
1960 2790
2791 # if exit is damned, update players death & WoR home-position
2792 $self->contr->savebed ($map, $x, $y)
2793 if $exit->flag (cf::FLAG_DAMNED);
2794
1961 1; 2795 1
1962 }) { 2796 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
1964 . "I'll try to bring you back to the map you were before. " 2798 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2801
1968 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2803 $self->leave_link;
1970 } 2804 }
1971 })->prio (1); 2805 })->prio (1);
… …
1984 2818
1985sub cf::client::send_drawinfo { 2819sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2820 my ($self, $text, $flags) = @_;
1987 2821
1988 utf8::encode $text; 2822 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2824}
1991 2825
2826=item $client->send_big_packet ($pkt)
2827
2828Like C<send_packet>, but tries to compress large packets, and fragments
2829them as required.
2830
2831=cut
2832
2833our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2834
2835sub cf::client::send_big_packet {
2836 my ($self, $pkt) = @_;
2837
2838 # try lzf for large packets
2839 $pkt = "lzf " . Compress::LZF::compress $pkt
2840 if 1024 <= length $pkt and $self->{can_lzf};
2841
2842 # split very large packets
2843 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2844 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2845 $pkt = "frag";
2846 }
2847
2848 $self->send_packet ($pkt);
2849}
2850
2851=item $client->send_msg ($channel, $msg, $color, [extra...])
2852
2853Send a drawinfo or msg packet to the client, formatting the msg for the
2854client if neccessary. C<$type> should be a string identifying the type of
2855the message, with C<log> being the default. If C<$color> is negative, suppress
2856the message unless the client supports the msg packet.
2857
2858=cut
2859
2860# non-persistent channels (usually the info channel)
2861our %CHANNEL = (
2862 "c/motd" => {
2863 id => "infobox",
2864 title => "MOTD",
2865 reply => undef,
2866 tooltip => "The message of the day",
2867 },
2868 "c/identify" => {
2869 id => "infobox",
2870 title => "Identify",
2871 reply => undef,
2872 tooltip => "Items recently identified",
2873 },
2874 "c/examine" => {
2875 id => "infobox",
2876 title => "Examine",
2877 reply => undef,
2878 tooltip => "Signs and other items you examined",
2879 },
2880 "c/shopinfo" => {
2881 id => "infobox",
2882 title => "Shop Info",
2883 reply => undef,
2884 tooltip => "What your bargaining skill tells you about the shop",
2885 },
2886 "c/book" => {
2887 id => "infobox",
2888 title => "Book",
2889 reply => undef,
2890 tooltip => "The contents of a note or book",
2891 },
2892 "c/lookat" => {
2893 id => "infobox",
2894 title => "Look",
2895 reply => undef,
2896 tooltip => "What you saw there",
2897 },
2898 "c/who" => {
2899 id => "infobox",
2900 title => "Players",
2901 reply => undef,
2902 tooltip => "Shows players who are currently online",
2903 },
2904 "c/body" => {
2905 id => "infobox",
2906 title => "Body Parts",
2907 reply => undef,
2908 tooltip => "Shows which body parts you posess and are available",
2909 },
2910 "c/statistics" => {
2911 id => "infobox",
2912 title => "Statistics",
2913 reply => undef,
2914 tooltip => "Shows your primary statistics",
2915 },
2916 "c/skills" => {
2917 id => "infobox",
2918 title => "Skills",
2919 reply => undef,
2920 tooltip => "Shows your experience per skill and item power",
2921 },
2922 "c/shopitems" => {
2923 id => "infobox",
2924 title => "Shop Items",
2925 reply => undef,
2926 tooltip => "Shows the items currently for sale in this shop",
2927 },
2928 "c/resistances" => {
2929 id => "infobox",
2930 title => "Resistances",
2931 reply => undef,
2932 tooltip => "Shows your resistances",
2933 },
2934 "c/pets" => {
2935 id => "infobox",
2936 title => "Pets",
2937 reply => undef,
2938 tooltip => "Shows information abotu your pets/a specific pet",
2939 },
2940 "c/perceiveself" => {
2941 id => "infobox",
2942 title => "Perceive Self",
2943 reply => undef,
2944 tooltip => "You gained detailed knowledge about yourself",
2945 },
2946 "c/uptime" => {
2947 id => "infobox",
2948 title => "Uptime",
2949 reply => undef,
2950 tooltip => "How long the server has been running since last restart",
2951 },
2952 "c/mapinfo" => {
2953 id => "infobox",
2954 title => "Map Info",
2955 reply => undef,
2956 tooltip => "Information related to the maps",
2957 },
2958 "c/party" => {
2959 id => "party",
2960 title => "Party",
2961 reply => "gsay ",
2962 tooltip => "Messages and chat related to your party",
2963 },
2964 "c/death" => {
2965 id => "death",
2966 title => "Death",
2967 reply => undef,
2968 tooltip => "Reason for and more info about your most recent death",
2969 },
2970 "c/say" => $SAY_CHANNEL,
2971 "c/chat" => $CHAT_CHANNEL,
2972);
2973
2974sub cf::client::send_msg {
2975 my ($self, $channel, $msg, $color, @extra) = @_;
2976
2977 $msg = $self->pl->expand_cfpod ($msg)
2978 unless $color & cf::NDI_VERBATIM;
2979
2980 $color &= cf::NDI_CLIENT_MASK; # just in case...
2981
2982 # check predefined channels, for the benefit of C
2983 if ($CHANNEL{$channel}) {
2984 $channel = $CHANNEL{$channel};
2985
2986 $self->ext_msg (channel_info => $channel);
2987 $channel = $channel->{id};
2988
2989 } elsif (ref $channel) {
2990 # send meta info to client, if not yet sent
2991 unless (exists $self->{channel}{$channel->{id}}) {
2992 $self->{channel}{$channel->{id}} = $channel;
2993 $self->ext_msg (channel_info => $channel);
2994 }
2995
2996 $channel = $channel->{id};
2997 }
2998
2999 return unless @extra || length $msg;
3000
3001 # default colour, mask it out
3002 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3003 if $color & cf::NDI_DEF;
3004
3005 my $pkt = "msg "
3006 . $self->{json_coder}->encode (
3007 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3008 );
3009
3010 $self->send_big_packet ($pkt);
3011}
3012
3013=item $client->ext_msg ($type, @msg)
3014
3015Sends an ext event to the client.
3016
3017=cut
3018
3019sub cf::client::ext_msg($$@) {
3020 my ($self, $type, @msg) = @_;
3021
3022 if ($self->extcmd == 2) {
3023 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3024 } elsif ($self->extcmd == 1) { # TODO: remove
3025 push @msg, msgtype => "event_$type";
3026 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3027 }
3028}
3029
3030=item $client->ext_reply ($msgid, @msg)
3031
3032Sends an ext reply to the client.
3033
3034=cut
3035
3036sub cf::client::ext_reply($$@) {
3037 my ($self, $id, @msg) = @_;
3038
3039 if ($self->extcmd == 2) {
3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3041 } elsif ($self->extcmd == 1) {
3042 #TODO: version 1, remove
3043 unshift @msg, msgtype => "reply", msgid => $id;
3044 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3045 }
3046}
1992 3047
1993=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
1994 3049
1995Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3051the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3052C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 3053
1999Queries can fail, so check the return code. Or don't, as queries will become 3054Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 3055become reliable at some point in the future.
2001 3056
2002=cut 3057=cut
2003 3058
2004sub cf::client::query { 3059sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
2013 utf8::encode $text; 3068 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 3070
2016 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
2018} 3075}
2019 3076
2020cf::client->attach ( 3077cf::client->attach (
3078 on_connect => sub {
3079 my ($ns) = @_;
3080
3081 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3082 },
2021 on_reply => sub { 3083 on_reply => sub {
2022 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
2023 3085
2024 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
2025 # get handled first 3087 # get handled first
… …
2037 } else { 3099 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 3101 }
2040 } 3102 }
2041 }, 3103 },
3104 on_exticmd => sub {
3105 my ($ns, $buf) = @_;
3106
3107 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3108
3109 if (ref $msg) {
3110 my ($type, $reply, @payload) =
3111 "ARRAY" eq ref $msg
3112 ? @$msg
3113 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3114
3115 my @reply;
3116
3117 if (my $cb = $EXTICMD{$type}) {
3118 @reply = $cb->($ns, @payload);
3119 }
3120
3121 $ns->ext_reply ($reply, @reply)
3122 if $reply;
3123
3124 } else {
3125 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3126 }
3127
3128 cf::override;
3129 },
2042); 3130);
2043 3131
2044=item $client->async (\&cb) 3132=item $client->async (\&cb)
2045 3133
2046Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
2062 3150
2063 $coro 3151 $coro
2064} 3152}
2065 3153
2066cf::client->attach ( 3154cf::client->attach (
2067 on_destroy => sub { 3155 on_client_destroy => sub {
2068 my ($ns) = @_; 3156 my ($ns) = @_;
2069 3157
2070 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071 }, 3159 },
2072); 3160);
… …
2087our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2089 3177
2090$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2091 3179
2092$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3180$safe->permit_only (Opcode::opset qw(
3181 :base_core :base_mem :base_orig :base_math :base_loop
3182 grepstart grepwhile mapstart mapwhile
3183 sort time
3184));
2093 3185
2094# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2095 3187
2096=pod 3188=pod
2097 3189
2098The following fucntions and emthods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2099 3191
2100 cf::object contr pay_amount pay_player map 3192 cf::object
3193 contr pay_amount pay_player map x y force_find force_add destroy
3194 insert remove name archname title slaying race decrease split
3195 value
3196
2101 cf::object::player player 3197 cf::object::player
2102 cf::player peaceful 3198 player
2103 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2104 3205
2105=cut 3206=cut
2106 3207
2107for ( 3208for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 3209 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3210 insert remove inv nrof name archname title slaying race
3211 decrease split destroy change_exp value msg lore send_msg)],
2109 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2111 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2112) { 3215) {
2113 no strict 'refs'; 3216 no strict 'refs';
2114 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2115 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2133 3236
2134 my $qcode = $code; 3237 my $qcode = $code;
2135 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2136 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2137 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2138 local $_; 3244 local $_;
2139 local @safe::cf::_safe_eval_args = values %vars;
2140 3245
2141 my $eval = 3246 my $eval =
2142 "do {\n" 3247 "do {\n"
2143 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2145 . $code 3250 . $code
2146 . "\n}" 3251 . "\n}"
2147 ; 3252 ;
2148 3253
3254 if ($CFG{safe_eval}) {
2149 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2150 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151 sub_generation_inc; 3258 sub_generation_inc;
3259 } else {
3260 local @cf::_safe_eval_args = values %vars;
3261 @res = wantarray ? eval eval : scalar eval $eval;
3262 }
2152 3263
2153 if ($@) { 3264 if ($@) {
2154 warn "$@"; 3265 warn "$@";
2155 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2156 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2175=cut 3286=cut
2176 3287
2177sub register_script_function { 3288sub register_script_function {
2178 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2179 3290
2180 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2181 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2182} 3293}
2183 3294
2184=back 3295=back
2185 3296
2186=cut 3297=cut
2187
2188#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259 3298
2260############################################################################# 3299#############################################################################
2261# the server's init and main functions 3300# the server's init and main functions
2262 3301
3302sub load_facedata($) {
3303 my ($path) = @_;
3304
3305 # HACK to clear player env face cache, we need some signal framework
3306 # for this (global event?)
3307 %ext::player_env::MUSIC_FACE_CACHE = ();
3308
3309 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3310
3311 warn "loading facedata from $path\n";
3312
3313 my $facedata;
3314 0 < aio_load $path, $facedata
3315 or die "$path: $!";
3316
3317 $facedata = Coro::Storable::thaw $facedata;
3318
3319 $facedata->{version} == 2
3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
3321
3322 # patch in the exptable
3323 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3324 $facedata->{resource}{"res/exp_table"} = {
3325 type => FT_RSRC,
3326 data => $exp_table,
3327 hash => (Digest::MD5::md5 $exp_table),
3328 };
3329 cf::cede_to_tick;
3330
3331 {
3332 my $faces = $facedata->{faceinfo};
3333
3334 while (my ($face, $info) = each %$faces) {
3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3336
3337 cf::face::set_visibility $idx, $info->{visibility};
3338 cf::face::set_magicmap $idx, $info->{magicmap};
3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3341
3342 cf::cede_to_tick;
3343 }
3344
3345 while (my ($face, $info) = each %$faces) {
3346 next unless $info->{smooth};
3347
3348 my $idx = cf::face::find $face
3349 or next;
3350
3351 if (my $smooth = cf::face::find $info->{smooth}) {
3352 cf::face::set_smooth $idx, $smooth;
3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3354 } else {
3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
3356 }
3357
3358 cf::cede_to_tick;
3359 }
3360 }
3361
3362 {
3363 my $anims = $facedata->{animinfo};
3364
3365 while (my ($anim, $info) = each %$anims) {
3366 cf::anim::set $anim, $info->{frames}, $info->{facings};
3367 cf::cede_to_tick;
3368 }
3369
3370 cf::anim::invalidate_all; # d'oh
3371 }
3372
3373 {
3374 my $res = $facedata->{resource};
3375
3376 while (my ($name, $info) = each %$res) {
3377 if (defined $info->{type}) {
3378 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3379
3380 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3381 cf::face::set_type $idx, $info->{type};
3382 } else {
3383 $RESOURCE{$name} = $info;
3384 }
3385
3386 cf::cede_to_tick;
3387 }
3388 }
3389
3390 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3391
3392 1
3393}
3394
3395cf::global->attach (on_resource_update => sub {
3396 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3397 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3398
3399 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3400 my $sound = $soundconf->{compat}[$_]
3401 or next;
3402
3403 my $face = cf::face::find "sound/$sound->[1]";
3404 cf::sound::set $sound->[0] => $face;
3405 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3406 }
3407
3408 while (my ($k, $v) = each %{$soundconf->{event}}) {
3409 my $face = cf::face::find "sound/$v";
3410 cf::sound::set $k => $face;
3411 }
3412 }
3413});
3414
3415register_exticmd fx_want => sub {
3416 my ($ns, $want) = @_;
3417
3418 while (my ($k, $v) = each %$want) {
3419 $ns->fx_want ($k, $v);
3420 }
3421};
3422
2263sub load_resources { 3423sub load_resource_file($) {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3424 my $guard = lock_acquire "load_resource_file";
3425
3426 my $status = load_resource_file_ $_[0];
3427 get_slot 0.1, 100;
3428 cf::arch::commit_load;
3429
3430 $status
3431}
3432
3433sub reload_regions {
3434 # HACK to clear player env face cache, we need some signal framework
3435 # for this (global event?)
3436 %ext::player_env::MUSIC_FACE_CACHE = ();
3437
3438 load_resource_file "$MAPDIR/regions"
2265 or die "unable to load regions file\n";#d# 3439 or die "unable to load regions file\n";
2266}
2267 3440
2268sub cfg_load { 3441 for (cf::region::list) {
3442 $_->{match} = qr/$_->{match}/
3443 if exists $_->{match};
3444 }
3445}
3446
3447sub reload_facedata {
3448 load_facedata "$DATADIR/facedata"
3449 or die "unable to load facedata\n";
3450}
3451
3452sub reload_archetypes {
3453 load_resource_file "$DATADIR/archetypes"
3454 or die "unable to load archetypes\n";
3455}
3456
3457sub reload_treasures {
3458 load_resource_file "$DATADIR/treasures"
3459 or die "unable to load treasurelists\n";
3460}
3461
3462sub reload_resources {
3463 warn "reloading resource files...\n";
3464
3465 reload_facedata;
3466 reload_archetypes;
3467 reload_regions;
3468 reload_treasures;
3469
3470 warn "finished reloading resource files\n";
3471}
3472
3473sub reload_config {
3474 warn "reloading config file...\n";
3475
2269 open my $fh, "<:utf8", cf::confdir . "/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2270 or return; 3477 or return;
2271 3478
2272 local $/; 3479 local $/;
2273 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2274 3481
2275 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276 3483
2277 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3484 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3485 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2282 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2284 }; 3491 };
2285 warn $@ if $@; 3492 warn $@ if $@;
2286 } 3493 }
2287}
2288 3494
2289sub init { 3495 warn "finished reloading resource files\n";
2290 load_resources; 3496}
3497
3498sub pidfile() {
3499 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3500 or die "$PIDFILE: $!";
3501 flock $fh, &Fcntl::LOCK_EX
3502 or die "$PIDFILE: flock: $!";
3503 $fh
3504}
3505
3506# make sure only one server instance is running at any one time
3507sub atomic {
3508 my $fh = pidfile;
3509
3510 my $pid = <$fh>;
3511 kill 9, $pid if $pid > 0;
3512
3513 seek $fh, 0, 0;
3514 print $fh $$;
3515}
3516
3517sub main_loop {
3518 warn "EV::loop starting\n";
3519 if (1) {
3520 EV::loop;
3521 }
3522 warn "EV::loop returned\n";
3523 goto &main_loop unless $REALLY_UNLOOP;
2291} 3524}
2292 3525
2293sub main { 3526sub main {
3527 cf::init_globals; # initialise logging
3528
3529 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3530 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3531 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3532 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3533
3534 cf::init_experience;
3535 cf::init_anim;
3536 cf::init_attackmess;
3537 cf::init_dynamic;
3538
3539 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3540
2294 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2296 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3543 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297 (async { 3544 (async {
2298 Event::one_event; 3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
2299 })->prio (Coro::PRIO_MAX); 3547 })->prio (Coro::PRIO_MAX);
2300 }; 3548 };
2301 3549
2302 cfg_load; 3550 evthread_start IO::AIO::poll_fileno;
3551
3552 cf::sync_job {
3553 cf::load_settings;
3554 cf::load_materials;
3555
3556 reload_resources;
3557 reload_config;
2303 db_init; 3558 db_init;
3559
3560 cf::init_uuid;
3561 cf::init_signals;
3562 cf::init_skills;
3563
3564 cf::init_beforeplay;
3565
3566 atomic;
3567
2304 load_extensions; 3568 load_extensions;
2305 3569
2306 $TICK_WATCHER->start; 3570 utime time, time, $RUNTIMEFILE;
2307 Event::loop; 3571
3572 # no (long-running) fork's whatsoever before this point(!)
3573 use POSIX ();
3574 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3575
3576 (pop @POST_INIT)->(0) while @POST_INIT;
3577 };
3578
3579 main_loop;
2308} 3580}
2309 3581
2310############################################################################# 3582#############################################################################
2311# initialisation and cleanup 3583# initialisation and cleanup
2312 3584
2313# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2314BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2315 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2316 Event->signal ( 3589 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2317 reentrant => 0,
2318 data => WF_AUTOCANCEL,
2319 signal => $signal,
2320 prio => 0,
2321 cb => sub {
2322 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2323 },
2324 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = AE::time;
3597
3598 # first touch the runtime file to show we are still running:
3599 # the fsync below can take a very very long time.
3600
3601 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3602
3603 my $guard = cf::lock_acquire "write_runtime";
3604
3605 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3606 or return;
3607
3608 my $value = $cf::RUNTIME + 90 + 10;
3609 # 10 is the runtime save interval, for a monotonic clock
3610 # 60 allows for the watchdog to kill the server.
3611
3612 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3613 and return;
3614
3615 # always fsync - this file is important
3616 aio_fsync $fh
3617 and return;
3618
3619 # touch it again to show we are up-to-date
3620 aio_utime $fh, undef, undef;
3621
3622 close $fh
3623 or return;
3624
3625 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3626 and return;
3627
3628 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3629
2325 } 3630 1
3631}
3632
3633our $uuid_lock;
3634our $uuid_skip;
3635
3636sub write_uuid_sync($) {
3637 $uuid_skip ||= $_[0];
3638
3639 return if $uuid_lock;
3640 local $uuid_lock = 1;
3641
3642 my $uuid = "$LOCALDIR/uuid";
3643
3644 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3645 or return;
3646
3647 my $value = uuid_seq uuid_cur;
3648
3649 unless ($value) {
3650 warn "cowardly refusing to write zero uuid value!\n";
3651 return;
3652 }
3653
3654 my $value = uuid_str $value + $uuid_skip;
3655 $uuid_skip = 0;
3656
3657 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3658 and return;
3659
3660 # always fsync - this file is important
3661 aio_fsync $fh
3662 and return;
3663
3664 close $fh
3665 or return;
3666
3667 aio_rename "$uuid~", $uuid
3668 and return;
3669
3670 warn "uuid file written ($value).\n";
3671
3672 1
3673
3674}
3675
3676sub write_uuid($$) {
3677 my ($skip, $sync) = @_;
3678
3679 $sync ? write_uuid_sync $skip
3680 : async { write_uuid_sync $skip };
2326} 3681}
2327 3682
2328sub emergency_save() { 3683sub emergency_save() {
2329 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2330 3685
2331 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2332 3687
2333 cf::sync_job { 3688 cf::sync_job {
3689 # this is a trade-off: we want to be very quick here, so
3690 # save all maps without fsync, and later call a global sync
3691 # (which in turn might be very very slow)
3692 local $USE_FSYNC = 0;
3693
2334 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2335 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2336 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2337 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2338 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2339 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2340 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341 $pl->save; 3702 $pl->save;
2342 } 3703 }
2343 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2344 3705
2345 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2346 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2347 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2348 $map->valid or next; 3709 $map->valid or next;
2349 $map->save; 3710 $map->save;
2350 } 3711 }
2351 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
2352 3713
2353 warn "begin emergency database checkpoint\n"; 3714 warn "emergency_perl_save: begin database checkpoint\n";
2354 BDB::db_env_txn_checkpoint $DB_ENV; 3715 BDB::db_env_txn_checkpoint $DB_ENV;
2355 warn "end emergency database checkpoint\n"; 3716 warn "emergency_perl_save: end database checkpoint\n";
3717
3718 warn "emergency_perl_save: begin write uuid\n";
3719 write_uuid_sync 1;
3720 warn "emergency_perl_save: end write uuid\n";
2356 }; 3721 };
2357 3722
3723 warn "emergency_perl_save: starting sync()\n";
3724 IO::AIO::aio_sync sub {
3725 warn "emergency_perl_save: finished sync()\n";
3726 };
3727
2358 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2359} 3729}
2360 3730
2361sub post_cleanup { 3731sub post_cleanup {
2362 my ($make_core) = @_; 3732 my ($make_core) = @_;
2363 3733
2364 warn Carp::longmess "post_cleanup backtrace" 3734 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core; 3735 if $make_core;
2366}
2367 3736
3737 my $fh = pidfile;
3738 unlink $PIDFILE if <$fh> == $$;
3739}
3740
3741# a safer delete_package, copied from Symbol
3742sub clear_package($) {
3743 my $pkg = shift;
3744
3745 # expand to full symbol table name if needed
3746 unless ($pkg =~ /^main::.*::$/) {
3747 $pkg = "main$pkg" if $pkg =~ /^::/;
3748 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3749 $pkg .= '::' unless $pkg =~ /::$/;
3750 }
3751
3752 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3753 my $stem_symtab = *{$stem}{HASH};
3754
3755 defined $stem_symtab and exists $stem_symtab->{$leaf}
3756 or return;
3757
3758 # clear all symbols
3759 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3760 for my $name (keys %$leaf_symtab) {
3761 _gv_clear *{"$pkg$name"};
3762# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3763 }
3764 warn "cleared package $pkg\n";#d#
3765}
3766
2368sub reload() { 3767sub do_reload_perl() {
2369 # can/must only be called in main 3768 # can/must only be called in main
2370 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2371 warn "can only reload from main coroutine"; 3770 warn "can only reload from main coroutine";
2372 return; 3771 return;
2373 } 3772 }
2374 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = AE::time;
3777
3778 while ($RELOAD) {
2375 warn "reloading..."; 3779 warn "reloading...";
2376 3780
2377 warn "cancelling server ticker"; 3781 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 3782
3783 cf::sync_job {
3784 cf::write_runtime_sync; # external watchdog should not bark
2380 cf::emergency_save; 3785 cf::emergency_save;
3786 cf::write_runtime_sync; # external watchdog should not bark
2381 3787
2382 eval { 3788 warn "syncing database to disk";
3789 BDB::db_env_txn_checkpoint $DB_ENV;
3790
2383 # if anything goes wrong in here, we should simply crash as we already saved 3791 # if anything goes wrong in here, we should simply crash as we already saved
2384 3792
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393 warn "flushing outstanding aio requests"; 3793 warn "flushing outstanding aio requests";
2394 for (;;) {
2395 BDB::flush;
2396 IO::AIO::flush;
2397 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2399 warn "iterate..."; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400 }
2401
2402 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = ();
2405
2406 warn "removing commands";
2407 %COMMAND = ();
2408
2409 warn "removing ext commands";
2410 %EXTCMD = ();
2411
2412 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg";
2415
2416 if (my $cb = $pkg->can ("unload")) {
2417 eval {
2418 $cb->($pkg);
2419 1
2420 } or warn "$pkg unloaded, but with errors: $@";
2421 } 3796 }
2422 3797
2423 warn "... nuking $pkg"; 3798 warn "cancelling all extension coros";
2424 Symbol::delete_package $pkg; 3799 $_->cancel for values %EXT_CORO;
2425 } 3800 %EXT_CORO = ();
2426 3801
2427 warn "unloading all perl modules loaded from $LIBDIR"; 3802 warn "removing commands";
2428 while (my ($k, $v) = each %INC) { 3803 %COMMAND = ();
2429 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430 3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2431 warn "... unloading $k"; 3811 warn "... unloading $pkg";
2432 delete $INC{$k};
2433 3812
2434 $k =~ s/\.pm$//;
2435 $k =~ s/\//::/g;
2436
2437 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2438 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2439 } 3822 }
2440 3823
2441 Symbol::delete_package $k; 3824 warn "unloading all perl modules loaded from $LIBDIR";
3825 while (my ($k, $v) = each %INC) {
3826 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3827
3828 warn "... unloading $k";
3829 delete $INC{$k};
3830
3831 $k =~ s/\.pm$//;
3832 $k =~ s/\//::/g;
3833
3834 if (my $cb = $k->can ("unload_module")) {
3835 $cb->();
3836 }
3837
3838 clear_package $k;
2442 } 3839 }
2443 3840
2444 warn "getting rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2445 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3843 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3844
2448 warn "unloading cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450 3848
2451 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3850 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2454 3852
2455 warn "unload completed, starting to reload now"; 3853 warn "unload completed, starting to reload now";
2456 3854
2457 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2458 require cf; 3856 require cf;
2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2460 3858
2461 warn "loading config and database again"; 3859 warn "loading config and database again";
2462 cf::cfg_load; 3860 cf::reload_config;
2463 3861
2464 warn "loading extensions"; 3862 warn "loading extensions";
2465 cf::load_extensions; 3863 cf::load_extensions;
2466 3864
3865 if ($REATTACH_ON_RELOAD) {
2467 warn "reattaching attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3867 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3868 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
3870 warn "reattaching attachments to players";
3871 reattach $_ for values %PLAYER;
3872 }
2471 3873
2472 warn "loading reloadable resources"; 3874 warn "running post_init jobs";
2473 load_resources; 3875 (pop @POST_INIT)->(1) while @POST_INIT;
2474 3876
2475 warn "restarting server ticker"; 3877 warn "leaving sync_job";
2476 3878
2477 $TICK_WATCHER->start; 3879 1
3880 } or do {
3881 warn $@;
3882 cf::cleanup "error while reloading, exiting.";
3883 };
3884
3885 warn "reloaded";
3886 --$RELOAD;
3887 }
3888
3889 $t1 = AE::time - $t1;
3890 warn "reload completed in ${t1}s\n";
3891};
3892
3893our $RELOAD_WATCHER; # used only during reload
3894
3895sub reload_perl() {
3896 # doing reload synchronously and two reloads happen back-to-back,
3897 # coro crashes during coro_state_free->destroy here.
3898
3899 $RELOAD_WATCHER ||= cf::async {
3900 Coro::AIO::aio_wait cache_extensions;
3901
3902 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3903 do_reload_perl;
3904 undef $RELOAD_WATCHER;
3905 };
2478 }; 3906 };
2479 3907}
2480 if ($@) {
2481 warn $@;
2482 warn "error while reloading, exiting.";
2483 exit 1;
2484 }
2485
2486 warn "reloaded";
2487};
2488
2489our $RELOAD_WATCHER; # used only during reload
2490 3908
2491register_command "reload" => sub { 3909register_command "reload" => sub {
2492 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2493 3911
2494 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2495 $who->message ("reloading server."); 3913 $who->message ("reloading server.");
2496 3914 async {
2497 # doing reload synchronously and two reloads happen back-to-back, 3915 $Coro::current->{desc} = "perl_reload";
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2505 reload; 3916 reload_perl;
2506 undef $RELOAD_WATCHER;
2507 },
2508 ); 3917 };
2509 } 3918 }
2510}; 3919};
2511 3920
2512unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2513 3922
2514my $bug_warning = 0; 3923my $bug_warning = 0;
2515 3924
2516$TICK_WATCHER = Event->timer ( 3925our @WAIT_FOR_TICK;
2517 reentrant => 0, 3926our @WAIT_FOR_TICK_BEGIN;
2518 parked => 1, 3927
2519 prio => 0, 3928sub wait_for_tick {
2520 at => $NEXT_TICK || $TICK, 3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2521 data => WF_AUTOCANCEL, 3930
2522 cb => sub { 3931 my $signal = new Coro::Signal;
3932 push @WAIT_FOR_TICK, $signal;
3933 $signal->wait;
3934}
3935
3936sub wait_for_tick_begin {
3937 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3938
3939 my $signal = new Coro::Signal;
3940 push @WAIT_FOR_TICK_BEGIN, $signal;
3941 $signal->wait;
3942}
3943
3944sub tick {
2523 if ($Coro::current != $Coro::main) { 3945 if ($Coro::current != $Coro::main) {
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10; 3947 unless ++$bug_warning > 10;
2526 return; 3948 return;
2527 } 3949 }
2528 3950
2529 $NOW = Event::time;
2530
2531 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK;
2534 3952
2535 $WAIT_FOR_TICK->broadcast; 3953 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537 3954
2538 Event::sweep; 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539 Coro::cede_notself; 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3957 Coro::async_pool {
3958 $Coro::current->{desc} = "runtime saver";
3959 write_runtime_sync
3960 or warn "ERROR: unable to write runtime file: $!";
3961 };
3962 }
3963
3964 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3965 $sig->send;
3966 }
3967 while (my $sig = shift @WAIT_FOR_TICK) {
3968 $sig->send;
3969 }
3970
3971 $LOAD = ($NOW - $TICK_START) / $TICK;
3972 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3973
3974 if (0) {
3975 if ($NEXT_TICK) {
3976 my $jitter = $TICK_START - $NEXT_TICK;
3977 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3978 warn "jitter $JITTER\n";#d#
2540 3979 }
2541# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d#
2543
2544 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547 $TICK_WATCHER->at ($NEXT_TICK);
2548 $TICK_WATCHER->start;
2549 }, 3980 }
2550); 3981}
2551 3982
2552{ 3983{
2553 BDB::max_poll_time $TICK * 0.1; 3984 # configure BDB
2554 $BDB_POLL_WATCHER = Event->io ( 3985
2555 reentrant => 0,
2556 fd => BDB::poll_fileno,
2557 poll => 'r',
2558 prio => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => \&BDB::poll_cb,
2561 );
2562 BDB::min_parallel 8; 3986 BDB::min_parallel 16;
2563 3987 BDB::max_poll_reqs $TICK * 0.1;
2564 BDB::set_sync_prepare { 3988 $AnyEvent::BDB::WATCHER->priority (1);
2565 my $status;
2566 my $current = $Coro::current;
2567 (
2568 sub {
2569 $status = $!;
2570 $current->ready; undef $current;
2571 },
2572 sub {
2573 Coro::schedule while defined $current;
2574 $! = $status;
2575 },
2576 )
2577 };
2578 3989
2579 unless ($DB_ENV) { 3990 unless ($DB_ENV) {
2580 $DB_ENV = BDB::db_env_create; 3991 $DB_ENV = BDB::db_env_create;
3992 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3993 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3994 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3995 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3996 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581 3997
2582 cf::sync_job { 3998 cf::sync_job {
2583 eval { 3999 eval {
2584 BDB::db_env_open 4000 BDB::db_env_open
2585 $DB_ENV, 4001 $DB_ENV,
2586 $BDB_ENV_DIR, 4002 $BDBDIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666; 4005 0666;
2590 4006
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect;
2595 }; 4008 };
2596 4009
2597 cf::cleanup "db_env_open(db): $@" if $@; 4010 cf::cleanup "db_env_open(db): $@" if $@;
2598 }; 4011 };
2599 } 4012 }
4013
4014 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4015 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4016 };
4017 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4018 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4019 };
4020 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4021 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4022 };
2600} 4023}
2601 4024
2602{ 4025{
4026 # configure IO::AIO
4027
2603 IO::AIO::min_parallel 8; 4028 IO::AIO::min_parallel 8;
2604
2605 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 4029 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 4030 undef $AnyEvent::AIO::WATCHER;
2608 reentrant => 0,
2609 fd => IO::AIO::poll_fileno,
2610 poll => 'r',
2611 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb,
2614 );
2615} 4031}
2616 4032
2617$WRITE_RUNTIME_WATCHER = Event->timer ( 4033my $_log_backtrace;
2618 reentrant => 0, 4034
2619 data => WF_AUTOCANCEL, 4035sub _log_backtrace {
2620 after => 1, 4036 my ($msg, @addr) = @_;
2621 interval => 10, 4037
2622 prio => 6, # keep it lowest so it acts like a watchdog 4038 $msg =~ s/\n//;
2623 cb => Coro::unblock_sub { 4039
2624 write_runtime 4040 # limit the # of concurrent backtraces
2625 or warn "ERROR: unable to write runtime file: $!"; 4041 if ($_log_backtrace < 2) {
4042 ++$_log_backtrace;
4043 my $perl_bt = Carp::longmess $msg;
4044 async {
4045 $Coro::current->{desc} = "abt $msg";
4046
4047 my @bt = fork_call {
4048 @addr = map { sprintf "%x", $_ } @addr;
4049 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4050 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4051 or die "addr2line: $!";
4052
4053 my @funcs;
4054 my @res = <$fh>;
4055 chomp for @res;
4056 while (@res) {
4057 my ($func, $line) = splice @res, 0, 2, ();
4058 push @funcs, "[$func] $line";
4059 }
4060
4061 @funcs
4062 };
4063
4064 LOG llevInfo, "[ABT] $perl_bt\n";
4065 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4066 LOG llevInfo, "[ABT] $_\n" for @bt;
4067 --$_log_backtrace;
4068 };
4069 } else {
4070 LOG llevInfo, "[ABT] $msg\n";
4071 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 4072 }
2627); 4073}
4074
4075# load additional modules
4076require "cf/$_.pm" for @EXTRA_MODULES;
4077cf::_connect_to_perl_2;
2628 4078
2629END { cf::emergency_save } 4079END { cf::emergency_save }
2630 4080
26311 40811
2632 4082

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