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Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 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 = EV::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 = EV::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 my $runtime = cf::localdir . "/runtime";
362 568
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 569Executes the given code block with the given arguments in a seperate
364 or return; 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.
365 573
366 my $value = $cf::RUNTIME + 90 + 10; 574=cut
367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369 575
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 576sub fork_call(&@) {
371 and return; 577 my ($cb, @args) = @_;
372 578
373 # always fsync - this file is important 579 # we seemingly have to make a local copy of the whole thing,
374 aio_fsync $fh 580 # otherwise perl prematurely frees the stuff :/
375 and return; 581 # TODO: investigate and fix (likely this will be rather laborious)
376 582
377 close $fh 583 my @res = Coro::Util::fork_eval {
378 or return; 584 reset_signals;
585 &$cb
586 }, @args;
379 587
380 aio_rename "$runtime~", $runtime 588 wantarray ? @res : $res[-1]
381 and return; 589}
382 590
591=item $coin = coin_from_name $name
592
593=cut
594
595our %coin_alias = (
596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
611
612sub coin_from_name($) {
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($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
383 1 667 }
668}
669
670sub db_put($$$) {
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 });
384} 754}
385 755
386=back 756=back
387 757
388=cut 758=cut
389 759
390############################################################################# 760#############################################################################
391 761
392=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
393 763
394Many 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
395attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
397 767
398In 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>
399C<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
400crossfire+). 770Deliantra).
401 771
402=over 4 772=over 4
403 773
404=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
405 775
… …
449=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
450 820
451Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
452given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
453 823
454Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
455that 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.
456 826
457These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
458 828
459=over 4 829=over 4
… …
568 $registry = $CB_TYPE[$object_type] ||= []; 938 $registry = $CB_TYPE[$object_type] ||= [];
569 939
570 } elsif ($type eq "subtype") { 940 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 941 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 942 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 943 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 944
575 } elsif ($type eq "package") { 945 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 946 my $pkg = shift @arg;
577 947
578 while (my ($name, $id) = each %cb_id) { 948 while (my ($name, $id) = each %cb_id) {
… …
607 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
608 } 978 }
609 979
610 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
611 } else { 981 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 983 }
614 984
615 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
616} 986}
617 987
… …
619 if (ref $_[0]) { 989 if (ref $_[0]) {
620 _object_attach @_; 990 _object_attach @_;
621 } else { 991 } else {
622 _attach shift->_attach_registry, @_; 992 _attach shift->_attach_registry, @_;
623 } 993 }
994 _recalc_want;
624}; 995};
625 996
626# all those should be optimised 997# all those should be optimised
627sub cf::attachable::detach { 998sub cf::attachable::detach {
628 my ($obj, $name) = @_; 999 my ($obj, $name) = @_;
… …
631 delete $obj->{_attachment}{$name}; 1002 delete $obj->{_attachment}{$name};
632 reattach ($obj); 1003 reattach ($obj);
633 } else { 1004 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 1005 Carp::croak "cannot, currently, detach class attachments";
635 } 1006 }
1007 _recalc_want;
636}; 1008};
637 1009
638sub cf::attachable::attached { 1010sub cf::attachable::attached {
639 my ($obj, $name) = @_; 1011 my ($obj, $name) = @_;
640 1012
… …
655 "; 1027 ";
656 die if $@; 1028 die if $@;
657} 1029}
658 1030
659our $override; 1031our $override;
660our @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?
661 1033
662sub override { 1034sub override {
663 $override = 1; 1035 $override = 1;
664 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
665} 1037}
666 1038
667sub do_invoke { 1039sub do_invoke {
668 my $event = shift; 1040 my $event = shift;
669 my $callbacks = shift; 1041 my $callbacks = shift;
670 1042
671 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
672 1044
673 local $override; 1045 local $override;
674 1046
675 for (@$callbacks) { 1047 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
685 } 1057 }
686 1058
687 0 1059 0
688} 1060}
689 1061
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1063
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1065
694Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
695 1067
696This 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
697removed 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
698results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1071
700=back 1072=back
701 1073
702=cut 1074=cut
703 1075
704############################################################################# 1076#############################################################################
705# 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, $ob2
1119}
706 1120
707sub reattach { 1121sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1123 my ($obj) = @_;
710 1124
1125 # no longer needed after getting rid of delete_package?
711 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
712 1127
713 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
714 1129
715 @$registry = (); 1130 @$registry = ();
716 1131
… …
731cf::attachable->attach ( 1146cf::attachable->attach (
732 prio => -1000000, 1147 prio => -1000000,
733 on_instantiate => sub { 1148 on_instantiate => sub {
734 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
735 1150
736 $data = from_json $data; 1151 $data = decode_json $data;
737 1152
738 for (@$data) { 1153 for (@$data) {
739 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
740 1155
741 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
757sub object_freezer_save { 1172sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
759 1174
760 sync_job { 1175 sync_job {
761 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
764 1180
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 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 }
769 close $fh; 1188 aio_close $fh;
770 1189
771 if (@$objs) { 1190 if (@$objs) {
772 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) {
773 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
776 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 }
777 close $fh; 1199 aio_close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
779 } 1201 }
780 } else { 1202 } else {
781 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
782 } 1204 }
783 1205
784 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
785 } else { 1210 } else {
786 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
787 } 1212 }
788 } else { 1213 } else {
789 aio_unlink $filename; 1214 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
791 } 1216 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 1217 };
799} 1218}
800 1219
801sub object_freezer_as_string { 1220sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
803 1222
… …
808 1227
809sub object_thawer_load { 1228sub object_thawer_load {
810 my ($filename) = @_; 1229 my ($filename) = @_;
811 1230
812 my ($data, $av); 1231 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 1232
817 (aio_load $filename, $data) >= 0 1233 (aio_load $filename, $data) >= 0
818 or return; 1234 or return;
819 1235
820 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
821 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
822 or return; 1238 or return;
1239
823 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
824 } 1242 }
825 1243
1244 utf8::decode (my $decname = $filename);
826 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
827 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
828 return ($data, $av); 1248 ($data, $av)
829} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
830 1256
831############################################################################# 1257#############################################################################
832# command handling &c 1258# command handling &c
833 1259
834=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
847 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
848} 1274}
849 1275
850=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
851 1277
852Register 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.
853 1283
854If 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
855called. 1285called.
856 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
857=cut 1298=cut
858 1299
859sub register_extcmd { 1300sub register_extcmd {
860 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
861 1302
862 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
863} 1304}
864 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
865cf::player->attach ( 1314cf::player->attach (
866 on_command => sub { 1315 on_unknown_command => sub {
867 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
868 1317
869 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
870 or return; 1319 or return;
871 1320
… …
876 cf::override; 1325 cf::override;
877 }, 1326 },
878 on_extcmd => sub { 1327 on_extcmd => sub {
879 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
880 1329
881 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882 1331
883 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
884 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
885 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
886 $pl->ext_reply ($msg->{msgid}, %reply);
887 }
888 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
889 } else { 1347 } else {
890 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891 } 1349 }
892 1350
893 cf::override; 1351 cf::override;
894 }, 1352 },
895); 1353);
896 1354
1355# "readahead" all extensions
897sub load_extension { 1356sub cache_extensions {
898 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
899 1358
900 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
902 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903 $pkg =~ s/[^[:word:]]/_/g;
904 $pkg = "ext::$pkg";
905
906 warn "... loading '$path' into '$pkg'\n";
907
908 open my $fh, "<:utf8", $path
909 or die "$path: $!";
910
911 my $source =
912 "package $pkg; use strict; use utf8;\n"
913 . "#line 1 \"$path\"\n{\n"
914 . (do { local $/; <$fh> })
915 . "\n};\n1";
916
917 unless (eval $source) {
918 my $msg = $@ ? "$path: $@\n"
919 : "extension disabled.\n";
920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921 warn $@;
922 warn "mandatory extension failed to load, exiting.\n";
923 exit 1;
924 } 1362 }
925 die $@;
926 } 1363 };
927 1364
928 push @EXTS, $pkg; 1365 $grp
929} 1366}
930 1367
931sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
932 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
933 next unless -r $ext; 1373 next unless -r $path;
934 eval { 1374
935 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 $active;
1434 }
936 1 1435 }
937 } or warn "$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 }
938 } 1446 };
939} 1447}
940 1448
941############################################################################# 1449#############################################################################
942 1450
1451=back
1452
943=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
944 1454
945Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
946 1456
947=cut 1457=cut
948 1458
949package cf::player; 1459package cf::player;
950 1460
… …
952 1462
953=head3 cf::player 1463=head3 cf::player
954 1464
955=over 4 1465=over 4
956 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
957=item cf::player::find $login 1481=item cf::player::find $login
958 1482
959Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
960 1484
961=cut 1485=cut
962 1486
963sub playerdir($) { 1487sub playerdir($) {
964 cf::localdir 1488 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1489 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 1490}
970 1491
971sub path($) { 1492sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1493 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 1494
974 (playerdir $login) . "/$login.pl" 1495 (playerdir $login) . "/playerdata"
975} 1496}
976 1497
977sub find_active($) { 1498sub find_active($) {
978 $cf::PLAYER{$_[0]} 1499 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 1500 and $cf::PLAYER{$_[0]}->active
… …
982 1503
983sub exists($) { 1504sub exists($) {
984 my ($login) = @_; 1505 my ($login) = @_;
985 1506
986 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
987 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
988} 1509}
989 1510
990sub find($) { 1511sub find($) {
991 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
992 my $login = $_[0]; 1513 my $login = $_[0];
993 1514
994 my $guard = cf::lock_acquire "user_find:$login"; 1515 my $guard = cf::lock_acquire "user_find:$login";
995 1516
996 $cf::PLAYER{$_[0]} || do { 1517 $cf::PLAYER{$_[0]} || do {
997 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
998 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;
999 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1000 } 1534 }
1001 } 1535 }
1002} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($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);
1003 1550
1004sub save($) { 1551sub save($) {
1005 my ($pl) = @_; 1552 my ($pl) = @_;
1006 1553
1007 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
1012 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
1013 1560
1014 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
1015 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
1016 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
1017 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1018 Coro::cede; 1570 cf::cede_to_tick;
1019} 1571}
1020 1572
1021sub new($) { 1573sub new($) {
1022 my ($login) = @_; 1574 my ($login) = @_;
1023 1575
… …
1029 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1030 1582
1031 $self 1583 $self
1032} 1584}
1033 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
1034=item $pl->quit_character 1596=item $pl->quit_character
1035 1597
1036Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1037be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1038 1600
1039=cut 1601=cut
1040 1602
1041sub quit_character { 1603sub quit_character {
1042 my ($pl) = @_; 1604 my ($pl) = @_;
1043 1605
1606 my $name = $pl->ob->name;
1607
1044 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1045 $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
1046 1610
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1049 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1050 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1051 1617
1052 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1620 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1621 delete $cf::PLAYER{$pl->ob->name};
1056 $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
1057 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;
1058} 1644}
1059 1645
1060=item cf::player::list_logins 1646=item cf::player::list_logins
1061 1647
1062Returns 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
1063while and may block, so not sync_job-capable, ever. 1649while and may block, so not sync_job-capable, ever.
1064 1650
1065=cut 1651=cut
1066 1652
1067sub list_logins { 1653sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1654 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1655 or return [];
1070 1656
1071 my @logins; 1657 my @logins;
1072 1658
1073 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") {
1074 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1076 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1077 1669
1078 utf8::decode $login; 1670 utf8::decode $login;
1079 push @logins, $login; 1671 push @logins, $login;
1080 } 1672 }
1081 1673
… …
1108 } 1700 }
1109 1701
1110 \@paths 1702 \@paths
1111} 1703}
1112 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1114 1710
1115Sends an ext reply to the player. 1711Sends an ext reply to the player.
1116 1712
1117=cut 1713=cut
1118 1714
1119sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1120 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1121 1717
1122 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1123
1124 $self->send ("ext " . cf::to_json \%msg);
1125} 1719}
1126 1720
1127package 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}
1128 1761
1129=back 1762=back
1130
1131 1763
1132=head3 cf::map 1764=head3 cf::map
1133 1765
1134=over 4 1766=over 4
1135 1767
… …
1147our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1148our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1149 1781
1150sub generate_random_map { 1782sub generate_random_map {
1151 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
1152 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1153 $self->_create_random_map ( 1788 $self->_create_random_map (
1154 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1158 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1159 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1190 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1191 1826
1192 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1193 local $self->{path}; 1828 local $self->{path};
1194 local $self->{load_path}; 1829 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197 1830
1198 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1199} 1832}
1200 1833
1201sub normalise { 1834sub normalise {
… …
1248 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1249 return $self; 1882 return $self;
1250 } 1883 }
1251 } 1884 }
1252 1885
1253 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1254 () 1887 ()
1255} 1888}
1256 1889
1257sub init { 1890sub init {
1258 my ($self) = @_; 1891 my ($self) = @_;
… …
1273 1906
1274# the original (read-only) location 1907# the original (read-only) location
1275sub load_path { 1908sub load_path {
1276 my ($self) = @_; 1909 my ($self) = @_;
1277 1910
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1911 "$MAPDIR/$self->{path}.map"
1279} 1912}
1280 1913
1281# the temporary/swap location 1914# the temporary/swap location
1282sub save_path { 1915sub save_path {
1283 my ($self) = @_; 1916 my ($self) = @_;
1284 1917
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1919 "$TMPDIR/$path.map"
1287} 1920}
1288 1921
1289# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1290sub uniq_path { 1923sub uniq_path {
1291 my ($self) = @_; 1924 my ($self) = @_;
1292 1925
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1927 "$UNIQUEDIR/$path"
1295} 1928}
1296 1929
1297# and all this just because we cannot iterate over 1930sub decay_objects {
1298# all maps in C++...
1299sub change_all_map_light {
1300 my ($change) = @_; 1931 my ($self) = @_;
1301 1932
1302 $_->change_map_light ($change) 1933 return if $self->{deny_reset};
1303 for grep $_->outdoor, values %cf::MAP; 1934
1935 $self->do_decay_objects;
1304} 1936}
1305 1937
1306sub unlink_save { 1938sub unlink_save {
1307 my ($self) = @_; 1939 my ($self) = @_;
1308 1940
1309 utf8::encode (my $save = $self->save_path); 1941 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1942 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1943 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1944}
1318 1945
1319sub load_header_from($) { 1946sub load_header_from($) {
1320 my ($self, $path) = @_; 1947 my ($self, $path) = @_;
1321 1948
1322 utf8::encode $path; 1949 utf8::encode $path;
1323 #aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1324 # or return;
1325
1326 $self->_load_header ($path)
1327 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;
1328 1958
1329 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1330 1960
1331 1 1961 1
1332} 1962}
… …
1371 $self->load_header_orig 2001 $self->load_header_orig
1372 or return; 2002 or return;
1373 $self->prepare_orig; 2003 $self->prepare_orig;
1374 } 2004 }
1375 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
1376 1 2012 1
1377} 2013}
1378 2014
1379sub find; 2015sub find;
1380sub find { 2016sub find {
1381 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1382 2018
1383 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1384 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1386 2023
1387 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1388 my $guard = cf::lock_acquire "map_find:$path";
1389 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1390 or return; 2026 or return;
1391 2027
1392 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1393 2029
1394 $map->load_header 2030 $map->load_header
1395 or return; 2031 or return;
1396 2032
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 2034 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1400 $map->reset; 2038 $map->reset;
1401 undef $guard;
1402 return find $path; 2039 return find $path;
1403 } 2040 }
1404 2041
1405 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1406 } 2043 }
1407} 2044}
1408 2045
1409sub pre_load { } 2046sub pre_load { }
1410sub post_load { } 2047#sub post_load { } # XS
1411 2048
1412sub load { 2049sub load {
1413 my ($self) = @_; 2050 my ($self) = @_;
1414 2051
1415 local $self->{deny_reset} = 1; # loading can take a long time 2052 local $self->{deny_reset} = 1; # loading can take a long time
1416 2053
1417 my $path = $self->{path}; 2054 my $path = $self->{path};
2055
2056 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1419 2058
2059 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 2061
1422 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1423 2063
1424 $self->alloc; 2064 $self->alloc;
1425 2065
1426 $self->pre_load; 2066 $self->pre_load;
2067 cf::cede_to_tick;
1427 2068
1428 $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)
1429 or return; 2072 or return;
1430 2073
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1432 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1433 2076
1434 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 2078 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 2081 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1439 } 2085 }
1440 } 2086 }
1441 2087
1442 Coro::cede; 2088 $f->resolve_delayed_derefs;
1443 2089
2090 cf::cede_to_tick;
1444 # now do the right thing for maps 2091 # now do the right thing for maps
1445 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 2094 unless $self->difficulty;
1455 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;
1456 $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);
1457 } 2109 }
1458 2110
1459 $self->post_load; 2111 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 2112}
1463 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
1464sub customise_for { 2117sub customise_for {
1465 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1466 2119
1467 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 2121 if $self->per_player;
1469 2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
1470 $self 2126 $self
1471} 2127}
1472 2128
1473# 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
1474sub load_diag { 2130sub load_neighbours {
1475 my ($map) = @_; 2131 my ($map) = @_;
1476 2132
1477 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1478 2134
1479 for (0 .. 3) { 2135 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1481 or next; 2137 or next;
1482 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1483 or next; 2139 or next;
1484 $neigh->load; 2140 $neigh->load;
1485 2141
2142 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2145 }
1489 2146
1490 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1492 or next; 2150 or next;
1493 $neigh->load; 2151 $neigh->load;
1494 } 2152 }
1495} 2153}
1496 2154
… …
1501} 2159}
1502 2160
1503sub do_load_sync { 2161sub do_load_sync {
1504 my ($map) = @_; 2162 my ($map) = @_;
1505 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1506 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1507} 2168}
1508 2169
1509our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2171our $MAP_PREFETCHER = undef;
1511 2172
1512sub find_async { 2173sub find_async {
1513 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1514 2175
1515 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1516 2177
1517 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519 } 2180 }
1520 2181
1521 undef $MAP_PREFETCH{$path}; 2182 $MAP_PREFETCH{$path} |= $load;
2183
1522 $MAP_PREFETCHER ||= cf::async { 2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
1523 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2189 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2190 $map->load if $v;
2191 }
1528 2192
1529 delete $MAP_PREFETCH{$path}; 2193 delete $MAP_PREFETCH{$k};
1530 } 2194 }
1531 } 2195 }
1532 undef $MAP_PREFETCHER; 2196 undef $MAP_PREFETCHER;
1533 }; 2197 };
1534 $MAP_PREFETCHER->prio (6); 2198 $MAP_PREFETCHER->prio (6);
… …
1537} 2201}
1538 2202
1539sub save { 2203sub save {
1540 my ($self) = @_; 2204 my ($self) = @_;
1541 2205
1542 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2207
1544 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1545 2209
1546 return unless $self->dirty; 2210 return unless $self->dirty;
1547 2211
… …
1553 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1554 2218
1555 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1556 2220
1557 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1558 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1559 }; 2224 };
2225
2226 cf::get_slot 0.02;
1560 2227
1561 if ($uniq) { 2228 if ($uniq) {
1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1564 } else { 2231 } else {
… …
1570 my ($self) = @_; 2237 my ($self) = @_;
1571 2238
1572 # save first because save cedes 2239 # save first because save cedes
1573 $self->save; 2240 $self->save;
1574 2241
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2243
1577 return if $self->players; 2244 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1579 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1580 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1581 $self->clear; 2252 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2253}
1584 2254
1585sub reset_at { 2255sub reset_at {
1586 my ($self) = @_; 2256 my ($self) = @_;
1587 2257
1588 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1591 2260
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 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;
1594 2263
… …
1605 my ($self) = @_; 2274 my ($self) = @_;
1606 2275
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2277
1609 return if $self->players; 2278 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2279
1612 warn "resetting map ", $self->path;#d# 2280 warn "resetting map ", $self->path, "\n";
1613 2281
1614 $self->in_memory (cf::MAP_SWAPPED); 2282 $self->in_memory (cf::MAP_SWAPPED);
1615 2283
1616 # need to save uniques path 2284 # need to save uniques path
1617 unless ($self->{deny_save}) { 2285 unless ($self->{deny_save}) {
… …
1621 if $uniq; 2289 if $uniq;
1622 } 2290 }
1623 2291
1624 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1625 2293
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1626 $self->clear; 2296 $self->clear;
1627
1628 $_->clear_links_to ($self) for values %cf::MAP;
1629 2297
1630 $self->unlink_save; 2298 $self->unlink_save;
1631 $self->destroy; 2299 $self->destroy;
1632} 2300}
1633 2301
1634my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1635 2303
1636sub nuke { 2304sub nuke {
1637 my ($self) = @_; 2305 my ($self) = @_;
1638 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
1639 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1640 2311
1641 $self->unlink_save; 2312 $self->unlink_save;
1642 2313
1643 bless $self, "cf::map"; 2314 bless $self, "cf::map";
1644 delete $self->{deny_reset}; 2315 delete $self->{deny_reset};
1645 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1646 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1647 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648 2319
1649 $cf::MAP{$self->path} = $self; 2320 $cf::MAP{$self->path} = $self;
2321 }
1650 2322
1651 $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 ]
1652} 2360}
1653 2361
1654=item cf::map::unique_maps 2362=item cf::map::unique_maps
1655 2363
1656Returns an arrayref of paths of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1657instantiated unique items. May block. 2365instantiated unique items. May block.
1658 2366
1659=cut 2367=cut
1660 2368
1661sub unique_maps() { 2369sub unique_maps() {
1662 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2370 [
1663 or return; 2371 map {
1664
1665 my @paths;
1666
1667 for (@$files) {
1668 utf8::decode $_; 2372 utf8::decode $_;
1669 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1670 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671 2375 ? ()
1672 push @paths, cf::map::normalise $_; 2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
1673 } 2378 ]
1674
1675 \@paths
1676} 2379}
1677 2380
1678package 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}
1679 2412
1680=back 2413=back
1681 2414
1682=head3 cf::object 2415=head3 cf::object
1683 2416
… …
1687 2420
1688=over 4 2421=over 4
1689 2422
1690=item $ob->inv_recursive 2423=item $ob->inv_recursive
1691 2424
1692Returns 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.
1693 2427
1694=cut 2428=cut
1695 2429
1696sub inv_recursive_; 2430sub inv_recursive_;
1697sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1700 2434
1701sub inv_recursive { 2435sub inv_recursive {
1702 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1703} 2437}
1704 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
1705package cf; 2467package cf;
1706 2468
1707=back 2469=back
1708 2470
1709=head3 cf::object::player 2471=head3 cf::object::player
… …
1715Sends 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>
1716can 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
1717dialogue with the given NPC character. 2479dialogue with the given NPC character.
1718 2480
1719=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};
1720 2496
1721# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1722# with dialog boxes. 2498# with dialog boxes.
1723#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
1724sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1726 2502
1727 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728 2504
1729 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1730 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1731 } 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 {
1732 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1733 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1734 } 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 (@_);
1735} 2530}
1736 2531
1737=item $player_object->may ("access") 2532=item $player_object->may ("access")
1738 2533
1739Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1752 2547
1753=item $player_object->enter_link 2548=item $player_object->enter_link
1754 2549
1755Freezes 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}>).
1756 2551
1757The 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.
1758I<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.
1759 2556
1760Will never block. 2557Will never block.
1761 2558
1762=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1763 2560
… …
1786 $self->deactivate_recursive; 2583 $self->deactivate_recursive;
1787 2584
1788 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2585 return if UNIVERSAL::isa $self->map, "ext::map_link";
1789 2586
1790 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2587 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791 if $self->map; 2588 if $self->map && $self->map->{path} ne "{link}";
1792 2589
1793 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2590 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1794} 2591}
1795 2592
1796sub cf::object::player::leave_link { 2593sub cf::object::player::leave_link {
1797 my ($self, $map, $x, $y) = @_; 2594 my ($self, $map, $x, $y) = @_;
2595
2596 return unless $self->contr->active;
1798 2597
1799 my $link_pos = delete $self->{_link_pos}; 2598 my $link_pos = delete $self->{_link_pos};
1800 2599
1801 unless ($map) { 2600 unless ($map) {
1802 # restore original map position 2601 # restore original map position
… …
1813 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1814 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1815 2614
1816 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1817 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1818 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1819 2618
1820 $map->load; 2619 $map->load;
1821 $map->load_diag; 2620 $map->load_neighbours;
1822 2621
1823 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
1824 $self->activate_recursive; 2628 $self->activate_recursive;
1825 $self->enter_map ($map, $x, $y);
1826} 2629}
1827 2630
1828cf::player->attach ( 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2632
1832 # abort map switching before logout 2633Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2634her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2635that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2636the new (success) or old (failed) map position. In either case, $done will
1836 }; 2637be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2638
1842 # try to abort aborted map switching on player login :) 2639Note that $check will be called with a potentially non-loaded map, so if
1843 # should happen only on crashes 2640it needs a loaded map it has to call C<< ->load >>.
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1849 $pl->ob->reply (undef,
1850 "There was an internal problem at your last logout, "
1851 . "the server will try to bring you to your intended destination in a second.",
1852 cf::NDI_RED);
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859 2641
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2642=cut
2643
2644our $GOTOGEN;
1863 2645
1864sub cf::object::player::goto { 2646sub cf::object::player::goto {
1865 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;
1866 2651
1867 $self->enter_link; 2652 $self->enter_link;
1868 2653
1869 (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
1870 my $map = eval { 2676 my $map = eval {
1871 my $map = cf::map::find $path; 2677 my $map = defined $path ? cf::map::find $path : undef;
2678
2679 if ($map) {
1872 $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
1873 $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 $@;
1874 } or 2692 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2693
2694 if ($gen == $self->{_goto_generation}) {
2695 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2697 }
2698
2699 $done->() if $done;
1878 })->prio (1); 2700 })->prio (1);
1879} 2701}
1880 2702
1881=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1882 2704
… …
1902} 2724}
1903 2725
1904sub prepare_random_map { 2726sub prepare_random_map {
1905 my ($exit) = @_; 2727 my ($exit) = @_;
1906 2728
1907 my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909 # all this does is basically replace the /! path by 2729 # all this does is basically replace the /! path by
1910 # a new random map path (?random/...) with a seed 2730 # a new random map path (?random/...) with a seed
1911 # that depends on the exit object 2731 # that depends on the exit object
1912 2732
1913 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
… …
1915 if ($exit->map) { 2735 if ($exit->map) {
1916 $rmp->{region} = $exit->region->name; 2736 $rmp->{region} = $exit->region->name;
1917 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
1918 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
1919 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
1920 } 2742 }
1921 2743
1922 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
1923 2745
1924 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2748 my $meta = "$RANDOMDIR/$md5.meta";
1927 2749
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2752 undef $fh;
1931 aio_rename "$meta~", $meta; 2753 aio_rename "$meta~", $meta;
1932 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
1933 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
1934 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
1935 } 2761 }
1936} 2762}
1937 2763
1938sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
1939 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
1940 2766
1941 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
1942 2768
1943 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job
1945 cf::sync_job { prepare_random_map $exit };
1946 }
1947
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp;
1951
1952 $self->enter_link; 2769 $self->enter_link;
1953 2770
1954 (async { 2771 (async {
1955 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
1956 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
1957 $self->goto ($slaying, $hp, $sp); 2789 $self->goto ($map, $x, $y);
1958 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
1959 1; 2795 1
1960 }) { 2796 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
1962 . "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. "
1963 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2801
1966 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2803 $self->leave_link;
1968 } 2804 }
1969 })->prio (1); 2805 })->prio (1);
… …
1982 2818
1983sub cf::client::send_drawinfo { 2819sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2820 my ($self, $text, $flags) = @_;
1985 2821
1986 utf8::encode $text; 2822 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2824}
1989 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}
1990 3047
1991=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
1992 3049
1993Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
1994the 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>,
1995C<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>.
1996 3053
1997Queries 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
1998reliable at some point in the future. 3055become reliable at some point in the future.
1999 3056
2000=cut 3057=cut
2001 3058
2002sub cf::client::query { 3059sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
2011 utf8::encode $text; 3068 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 3070
2014 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
2016} 3075}
2017 3076
2018cf::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 },
2019 on_reply => sub { 3083 on_reply => sub {
2020 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
2021 3085
2022 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
2023 # get handled first 3087 # get handled first
… …
2035 } else { 3099 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 3101 }
2038 } 3102 }
2039 }, 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 },
2040); 3130);
2041 3131
2042=item $client->async (\&cb) 3132=item $client->async (\&cb)
2043 3133
2044Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
2060 3150
2061 $coro 3151 $coro
2062} 3152}
2063 3153
2064cf::client->attach ( 3154cf::client->attach (
2065 on_destroy => sub { 3155 on_client_destroy => sub {
2066 my ($ns) = @_; 3156 my ($ns) = @_;
2067 3157
2068 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069 }, 3159 },
2070); 3160);
… …
2085our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2087 3177
2088$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2089 3179
2090$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));
2091 3185
2092# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2093 3187
2094=pod 3188=pod
2095 3189
2096The following fucntions and emthods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2097 3191
2098 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
2099 cf::object::player player 3197 cf::object::player
2100 cf::player peaceful 3198 player
2101 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2102 3205
2103=cut 3206=cut
2104 3207
2105for ( 3208for (
2106 ["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)],
2107 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2109 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2110) { 3215) {
2111 no strict 'refs'; 3216 no strict 'refs';
2112 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2113 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2131 3236
2132 my $qcode = $code; 3237 my $qcode = $code;
2133 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2134 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2135 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2136 local $_; 3244 local $_;
2137 local @safe::cf::_safe_eval_args = values %vars;
2138 3245
2139 my $eval = 3246 my $eval =
2140 "do {\n" 3247 "do {\n"
2141 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2143 . $code 3250 . $code
2144 . "\n}" 3251 . "\n}"
2145 ; 3252 ;
2146 3253
3254 if ($CFG{safe_eval}) {
2147 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2148 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149 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 }
2150 3263
2151 if ($@) { 3264 if ($@) {
2152 warn "$@"; 3265 warn "$@";
2153 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2154 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2173=cut 3286=cut
2174 3287
2175sub register_script_function { 3288sub register_script_function {
2176 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2177 3290
2178 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2179 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2180} 3293}
2181 3294
2182=back 3295=back
2183 3296
2184=cut 3297=cut
2185
2186#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257 3298
2258############################################################################# 3299#############################################################################
2259# the server's init and main functions 3300# the server's init and main functions
2260 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
2261sub load_resources { 3423sub load_resource_file($) {
2262 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"
2263 or die "unable to load regions file\n";#d# 3439 or die "unable to load regions file\n";
2264}
2265 3440
2266sub 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
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3477 or return;
2269 3478
2270 local $/; 3479 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2272 3481
2273 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274 3483
2275 $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};
2276 $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};
… …
2280 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2282 }; 3491 };
2283 warn $@ if $@; 3492 warn $@ if $@;
2284 } 3493 }
2285}
2286 3494
2287sub init { 3495 warn "finished reloading resource files\n";
2288 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;
2289} 3524}
2290 3525
2291sub 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
2292 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2294 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#
2295 (async { 3544 (async {
2296 Event::one_event; 3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
2297 })->prio (Coro::PRIO_MAX); 3547 })->prio (Coro::PRIO_MAX);
2298 }; 3548 };
2299 3549
2300 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;
2301 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
2302 load_extensions; 3568 load_extensions;
2303 3569
2304 $TICK_WATCHER->start; 3570 utime time, time, $RUNTIMEFILE;
2305 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;
2306} 3580}
2307 3581
2308############################################################################# 3582#############################################################################
2309# initialisation and cleanup 3583# initialisation and cleanup
2310 3584
2311# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2312BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2313 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2314 Event->signal ( 3589 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2315 reentrant => 0,
2316 data => WF_AUTOCANCEL,
2317 signal => $signal,
2318 prio => 0,
2319 cb => sub {
2320 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2321 },
2322 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = EV::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", EV::time - $t0;
3629
2323 } 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 };
2324} 3681}
2325 3682
2326sub emergency_save() { 3683sub emergency_save() {
2327 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2328 3685
2329 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2330 3687
2331 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
2332 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2333 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2334 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2335 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2336 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2337 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2338 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339 $pl->save; 3702 $pl->save;
2340 } 3703 }
2341 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2342 3705
2343 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2344 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2345 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2346 $map->valid or next; 3709 $map->valid or next;
2347 $map->save; 3710 $map->save;
2348 } 3711 }
2349 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
2350 3713
2351 warn "begin emergency database checkpoint\n"; 3714 warn "emergency_perl_save: begin database checkpoint\n";
2352 BDB::db_env_txn_checkpoint $DB_ENV; 3715 BDB::db_env_txn_checkpoint $DB_ENV;
2353 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";
2354 }; 3721 };
2355 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
2356 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2357} 3729}
2358 3730
3731sub post_cleanup {
3732 my ($make_core) = @_;
3733
3734 warn Carp::longmess "post_cleanup backtrace"
3735 if $make_core;
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 $pkg\n";#d#
3765}
3766
2359sub reload() { 3767sub do_reload_perl() {
2360 # can/must only be called in main 3768 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2362 warn "can only reload from main coroutine"; 3770 warn "can only reload from main coroutine";
2363 return; 3771 return;
2364 } 3772 }
2365 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = EV::time;
3777
3778 while ($RELOAD) {
2366 warn "reloading..."; 3779 warn "reloading...";
2367 3780
2368 warn "cancelling server ticker"; 3781 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 3782
3783 cf::sync_job {
3784 cf::write_runtime_sync; # external watchdog should not bark
2371 cf::emergency_save; 3785 cf::emergency_save;
3786 cf::write_runtime_sync; # external watchdog should not bark
2372 3787
2373 eval { 3788 warn "syncing database to disk";
3789 BDB::db_env_txn_checkpoint $DB_ENV;
3790
2374 # 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
2375 3792
2376 warn "cancelling all WF_AUTOCANCEL watchers";
2377 for (Event::all_watchers) {
2378 $_->cancel if $_->data & WF_AUTOCANCEL;
2379 }
2380
2381 warn "syncing database to disk";
2382 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384 warn "flushing outstanding aio requests"; 3793 warn "flushing outstanding aio requests";
2385 for (;;) {
2386 BDB::flush;
2387 IO::AIO::flush;
2388 Coro::cede;
2389 last unless IO::AIO::nreqs || BDB::nreqs; 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2390 warn "iterate..."; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2391 }
2392
2393 warn "cancelling all extension coros";
2394 $_->cancel for values %EXT_CORO;
2395 %EXT_CORO = ();
2396
2397 warn "removing commands";
2398 %COMMAND = ();
2399
2400 warn "removing ext commands";
2401 %EXTCMD = ();
2402
2403 warn "unloading/nuking all extensions";
2404 for my $pkg (@EXTS) {
2405 warn "... unloading $pkg";
2406
2407 if (my $cb = $pkg->can ("unload")) {
2408 eval {
2409 $cb->($pkg);
2410 1
2411 } or warn "$pkg unloaded, but with errors: $@";
2412 } 3796 }
2413 3797
2414 warn "... nuking $pkg"; 3798 warn "cancelling all extension coros";
2415 Symbol::delete_package $pkg; 3799 $_->cancel for values %EXT_CORO;
2416 } 3800 %EXT_CORO = ();
2417 3801
2418 warn "unloading all perl modules loaded from $LIBDIR"; 3802 warn "removing commands";
2419 while (my ($k, $v) = each %INC) { 3803 %COMMAND = ();
2420 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421 3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2422 warn "... unloading $k"; 3811 warn "... unloading $pkg";
2423 delete $INC{$k};
2424 3812
2425 $k =~ s/\.pm$//;
2426 $k =~ s/\//::/g;
2427
2428 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2429 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2430 } 3822 }
2431 3823
2432 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 $k;
2433 } 3839 }
2434 3840
2435 warn "getting rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2436 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2437 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);
2438 3844
2439 warn "unloading cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2440 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441 3848
2442 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2443 # and global variables created in xs 3850 # and global variables created in xs
2444 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2445 3852
2446 warn "unload completed, starting to reload now"; 3853 warn "unload completed, starting to reload now";
2447 3854
2448 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2449 require cf; 3856 require cf;
2450 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2451 3858
2452 warn "loading config and database again"; 3859 warn "loading config and database again";
2453 cf::cfg_load; 3860 cf::reload_config;
2454 3861
2455 warn "loading extensions"; 3862 warn "loading extensions";
2456 cf::load_extensions; 3863 cf::load_extensions;
2457 3864
3865 if ($REATTACH_ON_RELOAD) {
2458 warn "reattaching attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2459 _global_reattach; 3867 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 3868 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
3870 warn "reattaching attachments to players";
3871 reattach $_ for values %PLAYER;
3872 }
2462 3873
2463 warn "loading reloadable resources"; 3874 warn "running post_init jobs";
2464 load_resources; 3875 (pop @POST_INIT)->(1) while @POST_INIT;
2465 3876
2466 warn "restarting server ticker"; 3877 warn "leaving sync_job";
2467 3878
2468 $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 = EV::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 = EV::timer $TICK * 1.5, 0, sub {
3903 do_reload_perl;
3904 undef $RELOAD_WATCHER;
3905 };
2469 }; 3906 };
2470 3907}
2471 if ($@) {
2472 warn $@;
2473 warn "error while reloading, exiting.";
2474 exit 1;
2475 }
2476
2477 warn "reloaded";
2478};
2479
2480our $RELOAD_WATCHER; # used only during reload
2481 3908
2482register_command "reload" => sub { 3909register_command "reload" => sub {
2483 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2484 3911
2485 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2486 $who->message ("reloading server."); 3913 $who->message ("reloading server.");
2487 3914 async {
2488 # doing reload synchronously and two reloads happen back-to-back, 3915 $Coro::current->{desc} = "perl_reload";
2489 # coro crashes during coro_state_free->destroy here.
2490
2491 $RELOAD_WATCHER ||= Event->timer (
2492 reentrant => 0,
2493 after => 0,
2494 data => WF_AUTOCANCEL,
2495 cb => sub {
2496 reload; 3916 reload_perl;
2497 undef $RELOAD_WATCHER;
2498 },
2499 ); 3917 };
2500 } 3918 }
2501}; 3919};
2502 3920
2503unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2504 3922
2505my $bug_warning = 0; 3923my $bug_warning = 0;
2506 3924
2507$TICK_WATCHER = Event->timer ( 3925our @WAIT_FOR_TICK;
2508 reentrant => 0, 3926our @WAIT_FOR_TICK_BEGIN;
2509 parked => 1, 3927
2510 prio => 0, 3928sub wait_for_tick {
2511 at => $NEXT_TICK || $TICK, 3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512 data => WF_AUTOCANCEL, 3930
2513 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 $signal->wait;
3942}
3943
3944sub tick {
2514 if ($Coro::current != $Coro::main) { 3945 if ($Coro::current != $Coro::main) {
2515 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516 unless ++$bug_warning > 10; 3947 unless ++$bug_warning > 10;
2517 return; 3948 return;
2518 } 3949 }
2519 3950
2520 $NOW = Event::time;
2521
2522 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2523 $RUNTIME += $TICK;
2524 $NEXT_TICK += $TICK;
2525 3952
2526 $WAIT_FOR_TICK->broadcast; 3953 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2527 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528 3954
2529 Event::sweep; 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530 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#
2531 3979 }
2532# my $AFTER = Event::time;
2533# warn $AFTER - $NOW;#d#
2534
2535 # if we are delayed by four ticks or more, skip them all
2536 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538 $TICK_WATCHER->at ($NEXT_TICK);
2539 $TICK_WATCHER->start;
2540 }, 3980 }
2541); 3981}
2542 3982
2543{ 3983{
2544 BDB::max_poll_time $TICK * 0.1; 3984 # configure BDB
2545 $BDB_POLL_WATCHER = Event->io ( 3985
2546 reentrant => 0,
2547 fd => BDB::poll_fileno,
2548 poll => 'r',
2549 prio => 0,
2550 data => WF_AUTOCANCEL,
2551 cb => \&BDB::poll_cb,
2552 );
2553 BDB::min_parallel 8; 3986 BDB::min_parallel 16;
2554 3987 BDB::max_poll_reqs $TICK * 0.1;
2555 BDB::set_sync_prepare { 3988 $AnyEvent::BDB::WATCHER->priority (1);
2556 my $status;
2557 my $current = $Coro::current;
2558 (
2559 sub {
2560 $status = $!;
2561 $current->ready; undef $current;
2562 },
2563 sub {
2564 Coro::schedule while defined $current;
2565 $! = $status;
2566 },
2567 )
2568 };
2569 3989
2570 unless ($DB_ENV) { 3990 unless ($DB_ENV) {
2571 $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);
2572 3997
2573 cf::sync_job { 3998 cf::sync_job {
2574 eval { 3999 eval {
2575 BDB::db_env_open 4000 BDB::db_env_open
2576 $DB_ENV, 4001 $DB_ENV,
2577 $BDB_ENV_DIR, 4002 $BDBDIR,
2578 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580 0666; 4005 0666;
2581 4006
2582 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585 $DB_ENV->set_lk_detect;
2586 }; 4008 };
2587 4009
2588 cf::cleanup "db_env_open(db): $@" if $@; 4010 cf::cleanup "db_env_open(db): $@" if $@;
2589 }; 4011 };
2590 } 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 };
2591} 4023}
2592 4024
2593{ 4025{
4026 # configure IO::AIO
4027
2594 IO::AIO::min_parallel 8; 4028 IO::AIO::min_parallel 8;
2595
2596 undef $Coro::AIO::WATCHER;
2597 IO::AIO::max_poll_time $TICK * 0.1; 4029 IO::AIO::max_poll_time $TICK * 0.1;
2598 $AIO_POLL_WATCHER = Event->io ( 4030 undef $AnyEvent::AIO::WATCHER;
2599 reentrant => 0,
2600 fd => IO::AIO::poll_fileno,
2601 poll => 'r',
2602 prio => 6,
2603 data => WF_AUTOCANCEL,
2604 cb => \&IO::AIO::poll_cb,
2605 );
2606} 4031}
2607 4032
2608$WRITE_RUNTIME_WATCHER = Event->timer ( 4033my $_log_backtrace;
2609 reentrant => 0, 4034
2610 data => WF_AUTOCANCEL, 4035sub _log_backtrace {
2611 after => 1, 4036 my ($msg, @addr) = @_;
2612 interval => 10, 4037
2613 prio => 6, # keep it lowest so it acts like a watchdog 4038 $msg =~ s/\n//;
2614 cb => Coro::unblock_sub { 4039
2615 write_runtime 4040 # limit the # of concurrent backtraces
2616 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] $msg\n";
4071 LOG llevInfo, "[ABT] [suppressed]\n";
2617 }, 4072 }
2618); 4073}
4074
4075# load additional modules
4076require "cf/$_.pm" for @EXTRA_MODULES;
4077cf::_connect_to_perl_2;
2619 4078
2620END { cf::emergency_save } 4079END { cf::emergency_save }
2621 4080
26221 40811
2623 4082

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